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authorLinus Torvalds <torvalds@linux-foundation.org>2008-05-14 13:08:24 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-05-14 13:08:24 -0400
commit6aa5fc434958d15a4d66d922d0416dfb03c07def (patch)
treec68811b0e38afe68156022bed324d8df25fb45be
parent362a61ad61199e19a61b8e432015e2586b288f5b (diff)
parent9ee6b7f1556e7889eff4666483b1b554d4686cd4 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (73 commits) net: Fix typo in net/core/sock.c. ppp: Do not free not yet unregistered net device. netfilter: xt_iprange: module aliases for xt_iprange netfilter: ctnetlink: dump conntrack ID in event messages irda: Fix a misalign access issue. (v2) sctp: Fix use of uninitialized pointer cipso: Relax too much careful cipso hash function. tcp FRTO: work-around inorder receivers tcp FRTO: Fix fallback to conventional recovery New maintainer for Intel ethernet adapters DM9000: Use delayed work to update MII PHY state DM9000: Update and fix driver debugging messages DM9000: Add __devinit and __devexit attributes to probe and remove sky2: fix simple define thinko [netdrvr] sfc: sfc: Add self-test support [netdrvr] sfc: Increment rx_reset when reported as driver event [netdrvr] sfc: Remove unused macro EFX_XAUI_RETRAIN_MAX [netdrvr] sfc: Fix code formatting [netdrvr] sfc: Remove kernel-doc comments for removed members of struct efx_nic [netdrvr] sfc: Remove garbage from comment ...
Diffstat
-rw-r--r--drivers/base/memory.c2
-rw-r--r--drivers/net/Kconfig2
-rw-r--r--drivers/net/atlx/atl1.c157
-rw-r--r--drivers/net/atlx/atl1.h2
-rw-r--r--drivers/net/atlx/atlx.c2
-rw-r--r--drivers/net/atlx/atlx.h7
-rw-r--r--drivers/net/cxgb3/adapter.h1
-rw-r--r--drivers/net/cxgb3/common.h1
-rw-r--r--drivers/net/cxgb3/cxgb3_main.c40
-rw-r--r--drivers/net/cxgb3/regs.h8
-rw-r--r--drivers/net/cxgb3/sge.c29
-rw-r--r--drivers/net/cxgb3/t3_hw.c28
-rw-r--r--drivers/net/dm9000.c37
-rw-r--r--drivers/net/ehea/ehea.h27
-rw-r--r--drivers/net/ehea/ehea_main.c25
-rw-r--r--drivers/net/ehea/ehea_qmr.c286
-rw-r--r--drivers/net/gianfar.c2
-rw-r--r--drivers/net/myri10ge/myri10ge.c730
-rw-r--r--drivers/net/myri10ge/myri10ge_mcp.h56
-rw-r--r--drivers/net/myri10ge/myri10ge_mcp_gen_header.h39
-rw-r--r--drivers/net/niu.c53
-rw-r--r--drivers/net/niu.h9
-rw-r--r--drivers/net/ppp_generic.c1
-rw-r--r--drivers/net/pppol2tp.c13
-rw-r--r--drivers/net/ps3_gelic_wireless.c2
-rw-r--r--drivers/net/sfc/Makefile4
-rw-r--r--drivers/net/sfc/boards.h2
-rw-r--r--drivers/net/sfc/efx.c4
-rw-r--r--drivers/net/sfc/enum.h49
-rw-r--r--drivers/net/sfc/ethtool.c259
-rw-r--r--drivers/net/sfc/falcon.c8
-rw-r--r--drivers/net/sfc/falcon_hwdefs.h16
-rw-r--r--drivers/net/sfc/falcon_xmac.c82
-rw-r--r--drivers/net/sfc/mdio_10g.c78
-rw-r--r--drivers/net/sfc/mdio_10g.h24
-rw-r--r--drivers/net/sfc/net_driver.h28
-rw-r--r--drivers/net/sfc/rx.c11
-rw-r--r--drivers/net/sfc/selftest.c717
-rw-r--r--drivers/net/sfc/selftest.h50
-rw-r--r--drivers/net/sfc/sfe4001.c14
-rw-r--r--drivers/net/sfc/tenxpress.c91
-rw-r--r--drivers/net/sfc/tx.c664
-rw-r--r--drivers/net/sfc/xfp_phy.c36
-rw-r--r--drivers/net/sky2.h4
-rw-r--r--drivers/net/wan/Kconfig4
-rw-r--r--drivers/net/wan/cosa.c14
-rw-r--r--drivers/net/wan/hdlc_ppp.c2
-rw-r--r--drivers/net/wan/hostess_sv11.c12
-rw-r--r--drivers/net/wan/lmc/lmc_main.c1
-rw-r--r--drivers/net/wan/sealevel.c1
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-3945.c2
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-4965-rs.c2
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-4965.c2
-rw-r--r--drivers/net/wireless/prism54/islpci_dev.c11
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00dev.c11
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00pci.c5
-rw-r--r--drivers/net/wireless/rt2x00/rt61pci.c31
-rw-r--r--drivers/net/wireless/wavelan.c4
-rw-r--r--drivers/net/wireless/wavelan_cs.c6
-rw-r--r--drivers/net/wireless/zd1211rw/zd_usb.c6
-rw-r--r--include/linux/netdevice.h35
-rw-r--r--include/net/irda/discovery.h3
-rw-r--r--include/net/syncppp.h2
-rw-r--r--net/core/netpoll.c2
-rw-r--r--net/core/sock.c2
-rw-r--r--net/econet/af_econet.c2
-rw-r--r--net/ipv4/arp.c2
-rw-r--r--net/ipv4/cipso_ipv4.c4
-rw-r--r--net/ipv4/igmp.c4
-rw-r--r--net/ipv4/ipconfig.c6
-rw-r--r--net/ipv4/raw.c10
-rw-r--r--net/ipv4/tcp_input.c17
-rw-r--r--net/ipv6/ip6_output.c2
-rw-r--r--net/ipv6/mcast.c4
-rw-r--r--net/ipv6/ndisc.c4
-rw-r--r--net/ipv6/raw.c10
-rw-r--r--net/irda/discovery.c8
-rw-r--r--net/irda/irlmp.c5
-rw-r--r--net/irda/irnet/irnet_irda.c4
-rw-r--r--net/mac80211/debugfs_key.c15
-rw-r--r--net/mac80211/iface.c9
-rw-r--r--net/mac80211/mesh.c2
-rw-r--r--net/mac80211/mesh_hwmp.c2
-rw-r--r--net/mac80211/mesh_pathtbl.c17
-rw-r--r--net/mac80211/mlme.c64
-rw-r--r--net/mac80211/rx.c12
-rw-r--r--net/mac80211/tx.c5
-rw-r--r--net/mac80211/util.c10
-rw-r--r--net/mac80211/wme.c3
-rw-r--r--net/netfilter/nf_conntrack_netlink.c3
-rw-r--r--net/netfilter/xt_iprange.c2
-rw-r--r--net/packet/af_packet.c2
-rw-r--r--net/sctp/sm_make_chunk.c16
-rw-r--r--net/xfrm/xfrm_output.c6
94 files changed, 3376 insertions, 732 deletions
diff --git a/drivers/base/memory.c b/drivers/base/memory.c
index 8ce6de5a7e28..937e8258981d 100644
--- a/drivers/base/memory.c
+++ b/drivers/base/memory.c
@@ -53,11 +53,13 @@ int register_memory_notifier(struct notifier_block *nb)
53{ 53{
54 return blocking_notifier_chain_register(&memory_chain, nb); 54 return blocking_notifier_chain_register(&memory_chain, nb);
55} 55}
56EXPORT_SYMBOL(register_memory_notifier);
56 57
57void unregister_memory_notifier(struct notifier_block *nb) 58void unregister_memory_notifier(struct notifier_block *nb)
58{ 59{
59 blocking_notifier_chain_unregister(&memory_chain, nb); 60 blocking_notifier_chain_unregister(&memory_chain, nb);
60} 61}
62EXPORT_SYMBOL(unregister_memory_notifier);
61 63
62/* 64/*
63 * register_memory - Setup a sysfs device for a memory block 65 * register_memory - Setup a sysfs device for a memory block
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index d27f54a2df77..9f6cc8a56073 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -2426,7 +2426,7 @@ config CHELSIO_T3
2426 2426
2427config EHEA 2427config EHEA
2428 tristate "eHEA Ethernet support" 2428 tristate "eHEA Ethernet support"
2429 depends on IBMEBUS && INET && SPARSEMEM 2429 depends on IBMEBUS && INET && SPARSEMEM && MEMORY_HOTPLUG
2430 select INET_LRO 2430 select INET_LRO
2431 ---help--- 2431 ---help---
2432 This driver supports the IBM pSeries eHEA ethernet adapter. 2432 This driver supports the IBM pSeries eHEA ethernet adapter.
diff --git a/drivers/net/atlx/atl1.c b/drivers/net/atlx/atl1.c
index 0afe522b8f7b..9c2394d49428 100644
--- a/drivers/net/atlx/atl1.c
+++ b/drivers/net/atlx/atl1.c
@@ -1,7 +1,7 @@
1/* 1/*
2 * Copyright(c) 2005 - 2006 Attansic Corporation. All rights reserved. 2 * Copyright(c) 2005 - 2006 Attansic Corporation. All rights reserved.
3 * Copyright(c) 2006 - 2007 Chris Snook <csnook@redhat.com> 3 * Copyright(c) 2006 - 2007 Chris Snook <csnook@redhat.com>
4 * Copyright(c) 2006 Jay Cliburn <jcliburn@gmail.com> 4 * Copyright(c) 2006 - 2008 Jay Cliburn <jcliburn@gmail.com>
5 * 5 *
6 * Derived from Intel e1000 driver 6 * Derived from Intel e1000 driver
7 * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. 7 * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
@@ -36,7 +36,6 @@
36 * A very incomplete list of things that need to be dealt with: 36 * A very incomplete list of things that need to be dealt with:
37 * 37 *
38 * TODO: 38 * TODO:
39 * Wake on LAN.
40 * Add more ethtool functions. 39 * Add more ethtool functions.
41 * Fix abstruse irq enable/disable condition described here: 40 * Fix abstruse irq enable/disable condition described here:
42 * http://marc.theaimsgroup.com/?l=linux-netdev&m=116398508500553&w=2 41 * http://marc.theaimsgroup.com/?l=linux-netdev&m=116398508500553&w=2
@@ -638,21 +637,18 @@ static s32 atl1_phy_leave_power_saving(struct atl1_hw *hw)
638} 637}
639 638
640/* 639/*
641 *TODO: do something or get rid of this 640 * Force the PHY into power saving mode using vendor magic.
642 */ 641 */
643#ifdef CONFIG_PM 642#ifdef CONFIG_PM
644static s32 atl1_phy_enter_power_saving(struct atl1_hw *hw) 643static void atl1_phy_enter_power_saving(struct atl1_hw *hw)
645{ 644{
646/* s32 ret_val; 645 atl1_write_phy_reg(hw, MII_DBG_ADDR, 0);
647 * u16 phy_data; 646 atl1_write_phy_reg(hw, MII_DBG_DATA, 0x124E);
648 */ 647 atl1_write_phy_reg(hw, MII_DBG_ADDR, 2);
648 atl1_write_phy_reg(hw, MII_DBG_DATA, 0x3000);
649 atl1_write_phy_reg(hw, MII_DBG_ADDR, 3);
650 atl1_write_phy_reg(hw, MII_DBG_DATA, 0);
649 651
650/*
651 ret_val = atl1_write_phy_reg(hw, ...);
652 ret_val = atl1_write_phy_reg(hw, ...);
653 ....
654*/
655 return 0;
656} 652}
657#endif 653#endif
658 654
@@ -2784,64 +2780,93 @@ static int atl1_suspend(struct pci_dev *pdev, pm_message_t state)
2784 struct atl1_hw *hw = &adapter->hw; 2780 struct atl1_hw *hw = &adapter->hw;
2785 u32 ctrl = 0; 2781 u32 ctrl = 0;
2786 u32 wufc = adapter->wol; 2782 u32 wufc = adapter->wol;
2783 u32 val;
2784 int retval;
2785 u16 speed;
2786 u16 duplex;
2787 2787
2788 netif_device_detach(netdev); 2788 netif_device_detach(netdev);
2789 if (netif_running(netdev)) 2789 if (netif_running(netdev))
2790 atl1_down(adapter); 2790 atl1_down(adapter);
2791 2791
2792 retval = pci_save_state(pdev);
2793 if (retval)
2794 return retval;
2795
2792 atl1_read_phy_reg(hw, MII_BMSR, (u16 *) & ctrl); 2796 atl1_read_phy_reg(hw, MII_BMSR, (u16 *) & ctrl);
2793 atl1_read_phy_reg(hw, MII_BMSR, (u16 *) & ctrl); 2797 atl1_read_phy_reg(hw, MII_BMSR, (u16 *) & ctrl);
2794 if (ctrl & BMSR_LSTATUS) 2798 val = ctrl & BMSR_LSTATUS;
2799 if (val)
2795 wufc &= ~ATLX_WUFC_LNKC; 2800 wufc &= ~ATLX_WUFC_LNKC;
2796 2801
2797 /* reduce speed to 10/100M */ 2802 if (val && wufc) {
2798 if (wufc) { 2803 val = atl1_get_speed_and_duplex(hw, &speed, &duplex);
2799 atl1_phy_enter_power_saving(hw); 2804 if (val) {
2800 /* if resume, let driver to re- setup link */ 2805 if (netif_msg_ifdown(adapter))
2801 hw->phy_configured = false; 2806 dev_printk(KERN_DEBUG, &pdev->dev,
2802 atl1_set_mac_addr(hw); 2807 "error getting speed/duplex\n");
2803 atlx_set_multi(netdev); 2808 goto disable_wol;
2809 }
2804 2810
2805 ctrl = 0; 2811 ctrl = 0;
2806 /* turn on magic packet wol */
2807 if (wufc & ATLX_WUFC_MAG)
2808 ctrl = WOL_MAGIC_EN | WOL_MAGIC_PME_EN;
2809 2812
2810 /* turn on Link change WOL */ 2813 /* enable magic packet WOL */
2811 if (wufc & ATLX_WUFC_LNKC) 2814 if (wufc & ATLX_WUFC_MAG)
2812 ctrl |= (WOL_LINK_CHG_EN | WOL_LINK_CHG_PME_EN); 2815 ctrl |= (WOL_MAGIC_EN | WOL_MAGIC_PME_EN);
2813 iowrite32(ctrl, hw->hw_addr + REG_WOL_CTRL); 2816 iowrite32(ctrl, hw->hw_addr + REG_WOL_CTRL);
2814 2817 ioread32(hw->hw_addr + REG_WOL_CTRL);
2815 /* turn on all-multi mode if wake on multicast is enabled */ 2818
2816 ctrl = ioread32(hw->hw_addr + REG_MAC_CTRL); 2819 /* configure the mac */
2817 ctrl &= ~MAC_CTRL_DBG; 2820 ctrl = MAC_CTRL_RX_EN;
2818 ctrl &= ~MAC_CTRL_PROMIS_EN; 2821 ctrl |= ((u32)((speed == SPEED_1000) ? MAC_CTRL_SPEED_1000 :
2819 if (wufc & ATLX_WUFC_MC) 2822 MAC_CTRL_SPEED_10_100) << MAC_CTRL_SPEED_SHIFT);
2820 ctrl |= MAC_CTRL_MC_ALL_EN; 2823 if (duplex == FULL_DUPLEX)
2821 else 2824 ctrl |= MAC_CTRL_DUPLX;
2822 ctrl &= ~MAC_CTRL_MC_ALL_EN; 2825 ctrl |= (((u32)adapter->hw.preamble_len &
2823 2826 MAC_CTRL_PRMLEN_MASK) << MAC_CTRL_PRMLEN_SHIFT);
2824 /* turn on broadcast mode if wake on-BC is enabled */ 2827 if (adapter->vlgrp)
2825 if (wufc & ATLX_WUFC_BC) 2828 ctrl |= MAC_CTRL_RMV_VLAN;
2829 if (wufc & ATLX_WUFC_MAG)
2826 ctrl |= MAC_CTRL_BC_EN; 2830 ctrl |= MAC_CTRL_BC_EN;
2827 else
2828 ctrl &= ~MAC_CTRL_BC_EN;
2829
2830 /* enable RX */
2831 ctrl |= MAC_CTRL_RX_EN;
2832 iowrite32(ctrl, hw->hw_addr + REG_MAC_CTRL); 2831 iowrite32(ctrl, hw->hw_addr + REG_MAC_CTRL);
2833 pci_enable_wake(pdev, PCI_D3hot, 1); 2832 ioread32(hw->hw_addr + REG_MAC_CTRL);
2834 pci_enable_wake(pdev, PCI_D3cold, 1); 2833
2835 } else { 2834 /* poke the PHY */
2836 iowrite32(0, hw->hw_addr + REG_WOL_CTRL); 2835 ctrl = ioread32(hw->hw_addr + REG_PCIE_PHYMISC);
2837 pci_enable_wake(pdev, PCI_D3hot, 0); 2836 ctrl |= PCIE_PHYMISC_FORCE_RCV_DET;
2838 pci_enable_wake(pdev, PCI_D3cold, 0); 2837 iowrite32(ctrl, hw->hw_addr + REG_PCIE_PHYMISC);
2838 ioread32(hw->hw_addr + REG_PCIE_PHYMISC);
2839
2840 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
2841 goto exit;
2839 } 2842 }
2840 2843
2841 pci_save_state(pdev); 2844 if (!val && wufc) {
2845 ctrl |= (WOL_LINK_CHG_EN | WOL_LINK_CHG_PME_EN);
2846 iowrite32(ctrl, hw->hw_addr + REG_WOL_CTRL);
2847 ioread32(hw->hw_addr + REG_WOL_CTRL);
2848 iowrite32(0, hw->hw_addr + REG_MAC_CTRL);
2849 ioread32(hw->hw_addr + REG_MAC_CTRL);
2850 hw->phy_configured = false;
2851 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
2852 goto exit;
2853 }
2854
2855disable_wol:
2856 iowrite32(0, hw->hw_addr + REG_WOL_CTRL);
2857 ioread32(hw->hw_addr + REG_WOL_CTRL);
2858 ctrl = ioread32(hw->hw_addr + REG_PCIE_PHYMISC);
2859 ctrl |= PCIE_PHYMISC_FORCE_RCV_DET;
2860 iowrite32(ctrl, hw->hw_addr + REG_PCIE_PHYMISC);
2861 ioread32(hw->hw_addr + REG_PCIE_PHYMISC);
2862 atl1_phy_enter_power_saving(hw);
2863 hw->phy_configured = false;
2864 pci_enable_wake(pdev, pci_choose_state(pdev, state), 0);
2865exit:
2866 if (netif_running(netdev))
2867 pci_disable_msi(adapter->pdev);
2842 pci_disable_device(pdev); 2868 pci_disable_device(pdev);
2843 2869 pci_set_power_state(pdev, pci_choose_state(pdev, state));
2844 pci_set_power_state(pdev, PCI_D3hot);
2845 2870
2846 return 0; 2871 return 0;
2847} 2872}
@@ -2855,20 +2880,26 @@ static int atl1_resume(struct pci_dev *pdev)
2855 pci_set_power_state(pdev, PCI_D0); 2880 pci_set_power_state(pdev, PCI_D0);
2856 pci_restore_state(pdev); 2881 pci_restore_state(pdev);
2857 2882
2858 /* FIXME: check and handle */
2859 err = pci_enable_device(pdev); 2883 err = pci_enable_device(pdev);
2884 if (err) {
2885 if (netif_msg_ifup(adapter))
2886 dev_printk(KERN_DEBUG, &pdev->dev,
2887 "error enabling pci device\n");
2888 return err;
2889 }
2890
2891 pci_set_master(pdev);
2892 iowrite32(0, adapter->hw.hw_addr + REG_WOL_CTRL);
2860 pci_enable_wake(pdev, PCI_D3hot, 0); 2893 pci_enable_wake(pdev, PCI_D3hot, 0);
2861 pci_enable_wake(pdev, PCI_D3cold, 0); 2894 pci_enable_wake(pdev, PCI_D3cold, 0);
2862 2895
2863 iowrite32(0, adapter->hw.hw_addr + REG_WOL_CTRL); 2896 atl1_reset_hw(&adapter->hw);
2864 atl1_reset(adapter); 2897 adapter->cmb.cmb->int_stats = 0;
2865 2898
2866 if (netif_running(netdev)) 2899 if (netif_running(netdev))
2867 atl1_up(adapter); 2900 atl1_up(adapter);
2868 netif_device_attach(netdev); 2901 netif_device_attach(netdev);
2869 2902
2870 atl1_via_workaround(adapter);
2871
2872 return 0; 2903 return 0;
2873} 2904}
2874#else 2905#else
@@ -2876,6 +2907,13 @@ static int atl1_resume(struct pci_dev *pdev)
2876#define atl1_resume NULL 2907#define atl1_resume NULL
2877#endif 2908#endif
2878 2909
2910static void atl1_shutdown(struct pci_dev *pdev)
2911{
2912#ifdef CONFIG_PM
2913 atl1_suspend(pdev, PMSG_SUSPEND);
2914#endif
2915}
2916
2879#ifdef CONFIG_NET_POLL_CONTROLLER 2917#ifdef CONFIG_NET_POLL_CONTROLLER
2880static void atl1_poll_controller(struct net_device *netdev) 2918static void atl1_poll_controller(struct net_device *netdev)
2881{ 2919{
@@ -3122,7 +3160,8 @@ static struct pci_driver atl1_driver = {
3122 .probe = atl1_probe, 3160 .probe = atl1_probe,
3123 .remove = __devexit_p(atl1_remove), 3161 .remove = __devexit_p(atl1_remove),
3124 .suspend = atl1_suspend, 3162 .suspend = atl1_suspend,
3125 .resume = atl1_resume 3163 .resume = atl1_resume,
3164 .shutdown = atl1_shutdown
3126}; 3165};
3127 3166
3128/* 3167/*
diff --git a/drivers/net/atlx/atl1.h b/drivers/net/atlx/atl1.h
index 51893d66eae1..a5015b14a429 100644
--- a/drivers/net/atlx/atl1.h
+++ b/drivers/net/atlx/atl1.h
@@ -1,7 +1,7 @@
1/* 1/*
2 * Copyright(c) 2005 - 2006 Attansic Corporation. All rights reserved. 2 * Copyright(c) 2005 - 2006 Attansic Corporation. All rights reserved.
3 * Copyright(c) 2006 - 2007 Chris Snook <csnook@redhat.com> 3 * Copyright(c) 2006 - 2007 Chris Snook <csnook@redhat.com>
4 * Copyright(c) 2006 Jay Cliburn <jcliburn@gmail.com> 4 * Copyright(c) 2006 - 2008 Jay Cliburn <jcliburn@gmail.com>
5 * 5 *
6 * Derived from Intel e1000 driver 6 * Derived from Intel e1000 driver
7 * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. 7 * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
diff --git a/drivers/net/atlx/atlx.c b/drivers/net/atlx/atlx.c
index f06b854e2501..b3e7fcf0f6e7 100644
--- a/drivers/net/atlx/atlx.c
+++ b/drivers/net/atlx/atlx.c
@@ -2,7 +2,7 @@
2 * 2 *
3 * Copyright(c) 2005 - 2006 Attansic Corporation. All rights reserved. 3 * Copyright(c) 2005 - 2006 Attansic Corporation. All rights reserved.
4 * Copyright(c) 2006 - 2007 Chris Snook <csnook@redhat.com> 4 * Copyright(c) 2006 - 2007 Chris Snook <csnook@redhat.com>
5 * Copyright(c) 2006 Jay Cliburn <jcliburn@gmail.com> 5 * Copyright(c) 2006 - 2008 Jay Cliburn <jcliburn@gmail.com>
6 * Copyright(c) 2007 Atheros Corporation. All rights reserved. 6 * Copyright(c) 2007 Atheros Corporation. All rights reserved.
7 * 7 *
8 * Derived from Intel e1000 driver 8 * Derived from Intel e1000 driver
diff --git a/drivers/net/atlx/atlx.h b/drivers/net/atlx/atlx.h
index 3be7c09734d4..297a03da6b7f 100644
--- a/drivers/net/atlx/atlx.h
+++ b/drivers/net/atlx/atlx.h
@@ -2,7 +2,7 @@
2 * 2 *
3 * Copyright(c) 2005 - 2006 Attansic Corporation. All rights reserved. 3 * Copyright(c) 2005 - 2006 Attansic Corporation. All rights reserved.
4 * Copyright(c) 2006 - 2007 Chris Snook <csnook@redhat.com> 4 * Copyright(c) 2006 - 2007 Chris Snook <csnook@redhat.com>
5 * Copyright(c) 2006 Jay Cliburn <jcliburn@gmail.com> 5 * Copyright(c) 2006 - 2008 Jay Cliburn <jcliburn@gmail.com>
6 * Copyright(c) 2007 Atheros Corporation. All rights reserved. 6 * Copyright(c) 2007 Atheros Corporation. All rights reserved.
7 * 7 *
8 * Derived from Intel e1000 driver 8 * Derived from Intel e1000 driver
@@ -29,7 +29,7 @@
29#include <linux/module.h> 29#include <linux/module.h>
30#include <linux/types.h> 30#include <linux/types.h>
31 31
32#define ATLX_DRIVER_VERSION "2.1.1" 32#define ATLX_DRIVER_VERSION "2.1.3"
33MODULE_AUTHOR("Xiong Huang <xiong.huang@atheros.com>, \ 33MODULE_AUTHOR("Xiong Huang <xiong.huang@atheros.com>, \
34 Chris Snook <csnook@redhat.com>, Jay Cliburn <jcliburn@gmail.com>"); 34 Chris Snook <csnook@redhat.com>, Jay Cliburn <jcliburn@gmail.com>");
35MODULE_LICENSE("GPL"); 35MODULE_LICENSE("GPL");
@@ -460,6 +460,9 @@ MODULE_VERSION(ATLX_DRIVER_VERSION);
460#define MII_ATLX_PSSR_100MBS 0x4000 /* 01=100Mbs */ 460#define MII_ATLX_PSSR_100MBS 0x4000 /* 01=100Mbs */
461#define MII_ATLX_PSSR_1000MBS 0x8000 /* 10=1000Mbs */ 461#define MII_ATLX_PSSR_1000MBS 0x8000 /* 10=1000Mbs */
462 462
463#define MII_DBG_ADDR 0x1D
464#define MII_DBG_DATA 0x1E
465
463/* PCI Command Register Bit Definitions */ 466/* PCI Command Register Bit Definitions */
464#define PCI_REG_COMMAND 0x04 /* PCI Command Register */ 467#define PCI_REG_COMMAND 0x04 /* PCI Command Register */
465#define CMD_IO_SPACE 0x0001 468#define CMD_IO_SPACE 0x0001
diff --git a/drivers/net/cxgb3/adapter.h b/drivers/net/cxgb3/adapter.h
index 4fdb13f8447b..acebe431d068 100644
--- a/drivers/net/cxgb3/adapter.h
+++ b/drivers/net/cxgb3/adapter.h
@@ -71,6 +71,7 @@ enum { /* adapter flags */
71 USING_MSIX = (1 << 2), 71 USING_MSIX = (1 << 2),
72 QUEUES_BOUND = (1 << 3), 72 QUEUES_BOUND = (1 << 3),
73 TP_PARITY_INIT = (1 << 4), 73 TP_PARITY_INIT = (1 << 4),
74 NAPI_INIT = (1 << 5),
74}; 75};
75 76
76struct fl_pg_chunk { 77struct fl_pg_chunk {
diff --git a/drivers/net/cxgb3/common.h b/drivers/net/cxgb3/common.h
index 91ee7277b813..579bee42a5cb 100644
--- a/drivers/net/cxgb3/common.h
+++ b/drivers/net/cxgb3/common.h
@@ -698,6 +698,7 @@ void mac_prep(struct cmac *mac, struct adapter *adapter, int index);
698void early_hw_init(struct adapter *adapter, const struct adapter_info *ai); 698void early_hw_init(struct adapter *adapter, const struct adapter_info *ai);
699int t3_prep_adapter(struct adapter *adapter, const struct adapter_info *ai, 699int t3_prep_adapter(struct adapter *adapter, const struct adapter_info *ai,
700 int reset); 700 int reset);
701int t3_replay_prep_adapter(struct adapter *adapter);
701void t3_led_ready(struct adapter *adapter); 702void t3_led_ready(struct adapter *adapter);
702void t3_fatal_err(struct adapter *adapter); 703void t3_fatal_err(struct adapter *adapter);
703void t3_set_vlan_accel(struct adapter *adapter, unsigned int ports, int on); 704void t3_set_vlan_accel(struct adapter *adapter, unsigned int ports, int on);
diff --git a/drivers/net/cxgb3/cxgb3_main.c b/drivers/net/cxgb3/cxgb3_main.c
index ce949d5fae39..3a3127216791 100644
--- a/drivers/net/cxgb3/cxgb3_main.c
+++ b/drivers/net/cxgb3/cxgb3_main.c
@@ -421,6 +421,13 @@ static void init_napi(struct adapter *adap)
421 netif_napi_add(qs->netdev, &qs->napi, qs->napi.poll, 421 netif_napi_add(qs->netdev, &qs->napi, qs->napi.poll,
422 64); 422 64);
423 } 423 }
424
425 /*
426 * netif_napi_add() can be called only once per napi_struct because it
427 * adds each new napi_struct to a list. Be careful not to call it a
428 * second time, e.g., during EEH recovery, by making a note of it.
429 */
430 adap->flags |= NAPI_INIT;
424} 431}
425 432
426/* 433/*
@@ -896,7 +903,8 @@ static int cxgb_up(struct adapter *adap)
896 goto out; 903 goto out;
897 904
898 setup_rss(adap); 905 setup_rss(adap);
899 init_napi(adap); 906 if (!(adap->flags & NAPI_INIT))
907 init_napi(adap);
900 adap->flags |= FULL_INIT_DONE; 908 adap->flags |= FULL_INIT_DONE;
901 } 909 }
902 910
@@ -999,7 +1007,7 @@ static int offload_open(struct net_device *dev)
999 return 0; 1007 return 0;
1000 1008
1001 if (!adap_up && (err = cxgb_up(adapter)) < 0) 1009 if (!adap_up && (err = cxgb_up(adapter)) < 0)
1002 return err; 1010 goto out;
1003 1011
1004 t3_tp_set_offload_mode(adapter, 1); 1012 t3_tp_set_offload_mode(adapter, 1);
1005 tdev->lldev = adapter->port[0]; 1013 tdev->lldev = adapter->port[0];
@@ -1061,10 +1069,8 @@ static int cxgb_open(struct net_device *dev)
1061 int other_ports = adapter->open_device_map & PORT_MASK; 1069 int other_ports = adapter->open_device_map & PORT_MASK;
1062 int err; 1070 int err;
1063 1071
1064 if (!adapter->open_device_map && (err = cxgb_up(adapter)) < 0) { 1072 if (!adapter->open_device_map && (err = cxgb_up(adapter)) < 0)
1065 quiesce_rx(adapter);
1066 return err; 1073 return err;
1067 }
1068 1074
1069 set_bit(pi->port_id, &adapter->open_device_map); 1075 set_bit(pi->port_id, &adapter->open_device_map);
1070 if (is_offload(adapter) && !ofld_disable) { 1076 if (is_offload(adapter) && !ofld_disable) {
@@ -2424,14 +2430,11 @@ static pci_ers_result_t t3_io_error_detected(struct pci_dev *pdev,
2424 test_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map)) 2430 test_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map))
2425 offload_close(&adapter->tdev); 2431 offload_close(&adapter->tdev);
2426 2432
2427 /* Free sge resources */
2428 t3_free_sge_resources(adapter);
2429
2430 adapter->flags &= ~FULL_INIT_DONE; 2433 adapter->flags &= ~FULL_INIT_DONE;
2431 2434
2432 pci_disable_device(pdev); 2435 pci_disable_device(pdev);
2433 2436
2434 /* Request a slot slot reset. */ 2437 /* Request a slot reset. */
2435 return PCI_ERS_RESULT_NEED_RESET; 2438 return PCI_ERS_RESULT_NEED_RESET;
2436} 2439}
2437 2440
@@ -2448,13 +2451,20 @@ static pci_ers_result_t t3_io_slot_reset(struct pci_dev *pdev)
2448 if (pci_enable_device(pdev)) { 2451 if (pci_enable_device(pdev)) {
2449 dev_err(&pdev->dev, 2452 dev_err(&pdev->dev,
2450 "Cannot re-enable PCI device after reset.\n"); 2453 "Cannot re-enable PCI device after reset.\n");
2451 return PCI_ERS_RESULT_DISCONNECT; 2454 goto err;
2452 } 2455 }
2453 pci_set_master(pdev); 2456 pci_set_master(pdev);
2457 pci_restore_state(pdev);
2454 2458
2455 t3_prep_adapter(adapter, adapter->params.info, 1); 2459 /* Free sge resources */
2460 t3_free_sge_resources(adapter);
2461
2462 if (t3_replay_prep_adapter(adapter))
2463 goto err;
2456 2464
2457 return PCI_ERS_RESULT_RECOVERED; 2465 return PCI_ERS_RESULT_RECOVERED;
2466err:
2467 return PCI_ERS_RESULT_DISCONNECT;
2458} 2468}
2459 2469
2460/** 2470/**
@@ -2483,13 +2493,6 @@ static void t3_io_resume(struct pci_dev *pdev)
2483 netif_device_attach(netdev); 2493 netif_device_attach(netdev);
2484 } 2494 }
2485 } 2495 }
2486
2487 if (is_offload(adapter)) {
2488 __set_bit(OFFLOAD_DEVMAP_BIT, &adapter->registered_device_map);
2489 if (offload_open(adapter->port[0]))
2490 printk(KERN_WARNING
2491 "Could not bring back offload capabilities\n");
2492 }
2493} 2496}
2494 2497
2495static struct pci_error_handlers t3_err_handler = { 2498static struct pci_error_handlers t3_err_handler = {
@@ -2608,6 +2611,7 @@ static int __devinit init_one(struct pci_dev *pdev,
2608 } 2611 }
2609 2612
2610 pci_set_master(pdev); 2613 pci_set_master(pdev);
2614 pci_save_state(pdev);
2611 2615
2612 mmio_start = pci_resource_start(pdev, 0); 2616 mmio_start = pci_resource_start(pdev, 0);
2613 mmio_len = pci_resource_len(pdev, 0); 2617 mmio_len = pci_resource_len(pdev, 0);
diff --git a/drivers/net/cxgb3/regs.h b/drivers/net/cxgb3/regs.h
index 02dbbb300929..567178879345 100644
--- a/drivers/net/cxgb3/regs.h
+++ b/drivers/net/cxgb3/regs.h
@@ -444,6 +444,14 @@
444 444
445#define A_PCIE_CFG 0x88 445#define A_PCIE_CFG 0x88
446 446
447#define S_ENABLELINKDWNDRST 21
448#define V_ENABLELINKDWNDRST(x) ((x) << S_ENABLELINKDWNDRST)
449#define F_ENABLELINKDWNDRST V_ENABLELINKDWNDRST(1U)
450
451#define S_ENABLELINKDOWNRST 20
452#define V_ENABLELINKDOWNRST(x) ((x) << S_ENABLELINKDOWNRST)
453#define F_ENABLELINKDOWNRST V_ENABLELINKDOWNRST(1U)
454
447#define S_PCIE_CLIDECEN 16 455#define S_PCIE_CLIDECEN 16
448#define V_PCIE_CLIDECEN(x) ((x) << S_PCIE_CLIDECEN) 456#define V_PCIE_CLIDECEN(x) ((x) << S_PCIE_CLIDECEN)
449#define F_PCIE_CLIDECEN V_PCIE_CLIDECEN(1U) 457#define F_PCIE_CLIDECEN V_PCIE_CLIDECEN(1U)
diff --git a/drivers/net/cxgb3/sge.c b/drivers/net/cxgb3/sge.c
index 98a6bbd11d4c..796eb305cdc3 100644
--- a/drivers/net/cxgb3/sge.c
+++ b/drivers/net/cxgb3/sge.c
@@ -539,6 +539,31 @@ static void *alloc_ring(struct pci_dev *pdev, size_t nelem, size_t elem_size,
539} 539}
540 540
541/** 541/**
542 * t3_reset_qset - reset a sge qset
543 * @q: the queue set
544 *
545 * Reset the qset structure.
546 * the NAPI structure is preserved in the event of
547 * the qset's reincarnation, for example during EEH recovery.
548 */
549static void t3_reset_qset(struct sge_qset *q)
550{
551 if (q->adap &&
552 !(q->adap->flags & NAPI_INIT)) {
553 memset(q, 0, sizeof(*q));
554 return;
555 }
556
557 q->adap = NULL;
558 memset(&q->rspq, 0, sizeof(q->rspq));
559 memset(q->fl, 0, sizeof(struct sge_fl) * SGE_RXQ_PER_SET);
560 memset(q->txq, 0, sizeof(struct sge_txq) * SGE_TXQ_PER_SET);
561 q->txq_stopped = 0;
562 memset(&q->tx_reclaim_timer, 0, sizeof(q->tx_reclaim_timer));
563}
564
565
566/**
542 * free_qset - free the resources of an SGE queue set 567 * free_qset - free the resources of an SGE queue set
543 * @adapter: the adapter owning the queue set 568 * @adapter: the adapter owning the queue set
544 * @q: the queue set 569 * @q: the queue set
@@ -594,7 +619,7 @@ static void t3_free_qset(struct adapter *adapter, struct sge_qset *q)
594 q->rspq.desc, q->rspq.phys_addr); 619 q->rspq.desc, q->rspq.phys_addr);
595 } 620 }
596 621
597 memset(q, 0, sizeof(*q)); 622 t3_reset_qset(q);
598} 623}
599 624
600/** 625/**
@@ -1365,7 +1390,7 @@ static void restart_ctrlq(unsigned long data)
1365 */ 1390 */
1366int t3_mgmt_tx(struct adapter *adap, struct sk_buff *skb) 1391int t3_mgmt_tx(struct adapter *adap, struct sk_buff *skb)
1367{ 1392{
1368 int ret; 1393 int ret;
1369 local_bh_disable(); 1394 local_bh_disable();
1370 ret = ctrl_xmit(adap, &adap->sge.qs[0].txq[TXQ_CTRL], skb); 1395 ret = ctrl_xmit(adap, &adap->sge.qs[0].txq[TXQ_CTRL], skb);
1371 local_bh_enable(); 1396 local_bh_enable();
diff --git a/drivers/net/cxgb3/t3_hw.c b/drivers/net/cxgb3/t3_hw.c
index a99496a431c4..d405a932c73a 100644
--- a/drivers/net/cxgb3/t3_hw.c
+++ b/drivers/net/cxgb3/t3_hw.c
@@ -3264,6 +3264,7 @@ static void config_pcie(struct adapter *adap)
3264 3264
3265 t3_write_reg(adap, A_PCIE_PEX_ERR, 0xffffffff); 3265 t3_write_reg(adap, A_PCIE_PEX_ERR, 0xffffffff);
3266 t3_set_reg_field(adap, A_PCIE_CFG, 0, 3266 t3_set_reg_field(adap, A_PCIE_CFG, 0,
3267 F_ENABLELINKDWNDRST | F_ENABLELINKDOWNRST |
3267 F_PCIE_DMASTOPEN | F_PCIE_CLIDECEN); 3268 F_PCIE_DMASTOPEN | F_PCIE_CLIDECEN);
3268} 3269}
3269 3270
@@ -3655,3 +3656,30 @@ void t3_led_ready(struct adapter *adapter)
3655 t3_set_reg_field(adapter, A_T3DBG_GPIO_EN, F_GPIO0_OUT_VAL, 3656 t3_set_reg_field(adapter, A_T3DBG_GPIO_EN, F_GPIO0_OUT_VAL,
3656 F_GPIO0_OUT_VAL); 3657 F_GPIO0_OUT_VAL);
3657} 3658}
3659
3660int t3_replay_prep_adapter(struct adapter *adapter)
3661{
3662 const struct adapter_info *ai = adapter->params.info;
3663 unsigned int i, j = 0;
3664 int ret;
3665
3666 early_hw_init(adapter, ai);
3667 ret = init_parity(adapter);
3668 if (ret)
3669 return ret;
3670
3671 for_each_port(adapter, i) {
3672 struct port_info *p = adap2pinfo(adapter, i);
3673 while (!adapter->params.vpd.port_type[j])
3674 ++j;
3675
3676 p->port_type->phy_prep(&p->phy, adapter, ai->phy_base_addr + j,
3677 ai->mdio_ops);
3678
3679 p->phy.ops->power_down(&p->phy, 1);
3680 ++j;
3681 }
3682
3683return 0;
3684}
3685
diff --git a/drivers/net/dm9000.c b/drivers/net/dm9000.c
index e6fe2614ea6d..d45bcd2660af 100644
--- a/drivers/net/dm9000.c
+++ b/drivers/net/dm9000.c
@@ -117,6 +117,9 @@ typedef struct board_info {
117 117
118 struct mutex addr_lock; /* phy and eeprom access lock */ 118 struct mutex addr_lock; /* phy and eeprom access lock */
119 119
120 struct delayed_work phy_poll;
121 struct net_device *ndev;
122
120 spinlock_t lock; 123 spinlock_t lock;
121 124
122 struct mii_if_info mii; 125 struct mii_if_info mii;
@@ -297,6 +300,10 @@ static void dm9000_set_io(struct board_info *db, int byte_width)
297 } 300 }
298} 301}
299 302
303static void dm9000_schedule_poll(board_info_t *db)
304{
305 schedule_delayed_work(&db->phy_poll, HZ * 2);
306}
300 307
301/* Our watchdog timed out. Called by the networking layer */ 308/* Our watchdog timed out. Called by the networking layer */
302static void dm9000_timeout(struct net_device *dev) 309static void dm9000_timeout(struct net_device *dev)
@@ -465,6 +472,17 @@ static const struct ethtool_ops dm9000_ethtool_ops = {
465 .set_eeprom = dm9000_set_eeprom, 472 .set_eeprom = dm9000_set_eeprom,
466}; 473};
467 474
475static void
476dm9000_poll_work(struct work_struct *w)
477{
478 struct delayed_work *dw = container_of(w, struct delayed_work, work);
479 board_info_t *db = container_of(dw, board_info_t, phy_poll);
480
481 mii_check_media(&db->mii, netif_msg_link(db), 0);
482
483 if (netif_running(db->ndev))
484 dm9000_schedule_poll(db);
485}
468 486
469/* dm9000_release_board 487/* dm9000_release_board
470 * 488 *
@@ -503,7 +521,7 @@ dm9000_release_board(struct platform_device *pdev, struct board_info *db)
503/* 521/*
504 * Search DM9000 board, allocate space and register it 522 * Search DM9000 board, allocate space and register it
505 */ 523 */
506static int 524static int __devinit
507dm9000_probe(struct platform_device *pdev) 525dm9000_probe(struct platform_device *pdev)
508{ 526{
509 struct dm9000_plat_data *pdata = pdev->dev.platform_data; 527 struct dm9000_plat_data *pdata = pdev->dev.platform_data;
@@ -525,17 +543,21 @@ dm9000_probe(struct platform_device *pdev)
525 543
526 SET_NETDEV_DEV(ndev, &pdev->dev); 544 SET_NETDEV_DEV(ndev, &pdev->dev);
527 545
528 dev_dbg(&pdev->dev, "dm9000_probe()"); 546 dev_dbg(&pdev->dev, "dm9000_probe()\n");
529 547
530 /* setup board info structure */ 548 /* setup board info structure */
531 db = (struct board_info *) ndev->priv; 549 db = (struct board_info *) ndev->priv;
532 memset(db, 0, sizeof (*db)); 550 memset(db, 0, sizeof (*db));
533 551
534 db->dev = &pdev->dev; 552 db->dev = &pdev->dev;
553 db->ndev = ndev;
535 554
536 spin_lock_init(&db->lock); 555 spin_lock_init(&db->lock);
537 mutex_init(&db->addr_lock); 556 mutex_init(&db->addr_lock);
538 557
558 INIT_DELAYED_WORK(&db->phy_poll, dm9000_poll_work);
559
560
539 if (pdev->num_resources < 2) { 561 if (pdev->num_resources < 2) {
540 ret = -ENODEV; 562 ret = -ENODEV;
541 goto out; 563 goto out;
@@ -761,6 +783,8 @@ dm9000_open(struct net_device *dev)
761 783
762 mii_check_media(&db->mii, netif_msg_link(db), 1); 784 mii_check_media(&db->mii, netif_msg_link(db), 1);
763 netif_start_queue(dev); 785 netif_start_queue(dev);
786
787 dm9000_schedule_poll(db);
764 788
765 return 0; 789 return 0;
766} 790}
@@ -879,6 +903,8 @@ dm9000_stop(struct net_device *ndev)
879 if (netif_msg_ifdown(db)) 903 if (netif_msg_ifdown(db))
880 dev_dbg(db->dev, "shutting down %s\n", ndev->name); 904 dev_dbg(db->dev, "shutting down %s\n", ndev->name);
881 905
906 cancel_delayed_work(&db->phy_poll);
907
882 netif_stop_queue(ndev); 908 netif_stop_queue(ndev);
883 netif_carrier_off(ndev); 909 netif_carrier_off(ndev);
884 910
@@ -1288,6 +1314,8 @@ dm9000_phy_read(struct net_device *dev, int phy_reg_unused, int reg)
1288 spin_unlock_irqrestore(&db->lock,flags); 1314 spin_unlock_irqrestore(&db->lock,flags);
1289 1315
1290 mutex_unlock(&db->addr_lock); 1316 mutex_unlock(&db->addr_lock);
1317
1318 dm9000_dbg(db, 5, "phy_read[%02x] -> %04x\n", reg, ret);
1291 return ret; 1319 return ret;
1292} 1320}
1293 1321
@@ -1301,6 +1329,7 @@ dm9000_phy_write(struct net_device *dev, int phyaddr_unused, int reg, int value)
1301 unsigned long flags; 1329 unsigned long flags;
1302 unsigned long reg_save; 1330 unsigned long reg_save;
1303 1331
1332 dm9000_dbg(db, 5, "phy_write[%02x] = %04x\n", reg, value);
1304 mutex_lock(&db->addr_lock); 1333 mutex_lock(&db->addr_lock);
1305 1334
1306 spin_lock_irqsave(&db->lock,flags); 1335 spin_lock_irqsave(&db->lock,flags);
@@ -1372,7 +1401,7 @@ dm9000_drv_resume(struct platform_device *dev)
1372 return 0; 1401 return 0;
1373} 1402}
1374 1403
1375static int 1404static int __devexit
1376dm9000_drv_remove(struct platform_device *pdev) 1405dm9000_drv_remove(struct platform_device *pdev)
1377{ 1406{
1378 struct net_device *ndev = platform_get_drvdata(pdev); 1407 struct net_device *ndev = platform_get_drvdata(pdev);
@@ -1393,7 +1422,7 @@ static struct platform_driver dm9000_driver = {
1393 .owner = THIS_MODULE, 1422 .owner = THIS_MODULE,
1394 }, 1423 },
1395 .probe = dm9000_probe, 1424 .probe = dm9000_probe,
1396 .remove = dm9000_drv_remove, 1425 .remove = __devexit_p(dm9000_drv_remove),
1397 .suspend = dm9000_drv_suspend, 1426 .suspend = dm9000_drv_suspend,
1398 .resume = dm9000_drv_resume, 1427 .resume = dm9000_drv_resume,
1399}; 1428};
diff --git a/drivers/net/ehea/ehea.h b/drivers/net/ehea/ehea.h
index f5dacceab95b..fe872fbd671e 100644
--- a/drivers/net/ehea/ehea.h
+++ b/drivers/net/ehea/ehea.h
@@ -40,7 +40,7 @@
40#include <asm/io.h> 40#include <asm/io.h>
41 41
42#define DRV_NAME "ehea" 42#define DRV_NAME "ehea"
43#define DRV_VERSION "EHEA_0090" 43#define DRV_VERSION "EHEA_0091"
44 44
45/* eHEA capability flags */ 45/* eHEA capability flags */
46#define DLPAR_PORT_ADD_REM 1 46#define DLPAR_PORT_ADD_REM 1
@@ -118,6 +118,13 @@
118#define EHEA_MR_ACC_CTRL 0x00800000 118#define EHEA_MR_ACC_CTRL 0x00800000
119 119
120#define EHEA_BUSMAP_START 0x8000000000000000ULL 120#define EHEA_BUSMAP_START 0x8000000000000000ULL
121#define EHEA_INVAL_ADDR 0xFFFFFFFFFFFFFFFFULL
122#define EHEA_DIR_INDEX_SHIFT 13 /* 8k Entries in 64k block */
123#define EHEA_TOP_INDEX_SHIFT (EHEA_DIR_INDEX_SHIFT * 2)
124#define EHEA_MAP_ENTRIES (1 << EHEA_DIR_INDEX_SHIFT)
125#define EHEA_MAP_SIZE (0x10000) /* currently fixed map size */
126#define EHEA_INDEX_MASK (EHEA_MAP_ENTRIES - 1)
127
121 128
122#define EHEA_WATCH_DOG_TIMEOUT 10*HZ 129#define EHEA_WATCH_DOG_TIMEOUT 10*HZ
123 130
@@ -192,10 +199,20 @@ struct h_epas {
192 set to 0 if unused */ 199 set to 0 if unused */
193}; 200};
194 201
195struct ehea_busmap { 202/*
196 unsigned int entries; /* total number of entries */ 203 * Memory map data structures
197 unsigned int valid_sections; /* number of valid sections */ 204 */
198 u64 *vaddr; 205struct ehea_dir_bmap
206{
207 u64 ent[EHEA_MAP_ENTRIES];
208};
209struct ehea_top_bmap
210{
211 struct ehea_dir_bmap *dir[EHEA_MAP_ENTRIES];
212};
213struct ehea_bmap
214{
215 struct ehea_top_bmap *top[EHEA_MAP_ENTRIES];
199}; 216};
200 217
201struct ehea_qp; 218struct ehea_qp;
diff --git a/drivers/net/ehea/ehea_main.c b/drivers/net/ehea/ehea_main.c
index f9bc21c74b59..d1b6d4e7495d 100644
--- a/drivers/net/ehea/ehea_main.c
+++ b/drivers/net/ehea/ehea_main.c
@@ -35,6 +35,7 @@
35#include <linux/if_ether.h> 35#include <linux/if_ether.h>
36#include <linux/notifier.h> 36#include <linux/notifier.h>
37#include <linux/reboot.h> 37#include <linux/reboot.h>
38#include <linux/memory.h>
38#include <asm/kexec.h> 39#include <asm/kexec.h>
39#include <linux/mutex.h> 40#include <linux/mutex.h>
40 41
@@ -3503,6 +3504,24 @@ void ehea_crash_handler(void)
3503 0, H_DEREG_BCMC); 3504 0, H_DEREG_BCMC);
3504} 3505}
3505 3506
3507static int ehea_mem_notifier(struct notifier_block *nb,
3508 unsigned long action, void *data)
3509{
3510 switch (action) {
3511 case MEM_OFFLINE:
3512 ehea_info("memory has been removed");
3513 ehea_rereg_mrs(NULL);
3514 break;
3515 default:
3516 break;
3517 }
3518 return NOTIFY_OK;
3519}
3520
3521static struct notifier_block ehea_mem_nb = {
3522 .notifier_call = ehea_mem_notifier,
3523};
3524
3506static int ehea_reboot_notifier(struct notifier_block *nb, 3525static int ehea_reboot_notifier(struct notifier_block *nb,
3507 unsigned long action, void *unused) 3526 unsigned long action, void *unused)
3508{ 3527{
@@ -3581,6 +3600,10 @@ int __init ehea_module_init(void)
3581 if (ret) 3600 if (ret)
3582 ehea_info("failed registering reboot notifier"); 3601 ehea_info("failed registering reboot notifier");
3583 3602
3603 ret = register_memory_notifier(&ehea_mem_nb);
3604 if (ret)
3605 ehea_info("failed registering memory remove notifier");
3606
3584 ret = crash_shutdown_register(&ehea_crash_handler); 3607 ret = crash_shutdown_register(&ehea_crash_handler);
3585 if (ret) 3608 if (ret)
3586 ehea_info("failed registering crash handler"); 3609 ehea_info("failed registering crash handler");
@@ -3604,6 +3627,7 @@ int __init ehea_module_init(void)
3604out3: 3627out3:
3605 ibmebus_unregister_driver(&ehea_driver); 3628 ibmebus_unregister_driver(&ehea_driver);
3606out2: 3629out2:
3630 unregister_memory_notifier(&ehea_mem_nb);
3607 unregister_reboot_notifier(&ehea_reboot_nb); 3631 unregister_reboot_notifier(&ehea_reboot_nb);
3608 crash_shutdown_unregister(&ehea_crash_handler); 3632 crash_shutdown_unregister(&ehea_crash_handler);
3609out: 3633out:
@@ -3621,6 +3645,7 @@ static void __exit ehea_module_exit(void)
3621 ret = crash_shutdown_unregister(&ehea_crash_handler); 3645 ret = crash_shutdown_unregister(&ehea_crash_handler);
3622 if (ret) 3646 if (ret)
3623 ehea_info("failed unregistering crash handler"); 3647 ehea_info("failed unregistering crash handler");
3648 unregister_memory_notifier(&ehea_mem_nb);
3624 kfree(ehea_fw_handles.arr); 3649 kfree(ehea_fw_handles.arr);
3625 kfree(ehea_bcmc_regs.arr); 3650 kfree(ehea_bcmc_regs.arr);
3626 ehea_destroy_busmap(); 3651 ehea_destroy_busmap();
diff --git a/drivers/net/ehea/ehea_qmr.c b/drivers/net/ehea/ehea_qmr.c
index d522e905f460..140f05baafd8 100644
--- a/drivers/net/ehea/ehea_qmr.c
+++ b/drivers/net/ehea/ehea_qmr.c
@@ -31,8 +31,8 @@
31#include "ehea_phyp.h" 31#include "ehea_phyp.h"
32#include "ehea_qmr.h" 32#include "ehea_qmr.h"
33 33
34struct ehea_bmap *ehea_bmap = NULL;
34 35
35struct ehea_busmap ehea_bmap = { 0, 0, NULL };
36 36
37 37
38static void *hw_qpageit_get_inc(struct hw_queue *queue) 38static void *hw_qpageit_get_inc(struct hw_queue *queue)
@@ -559,125 +559,253 @@ int ehea_destroy_qp(struct ehea_qp *qp)
559 return 0; 559 return 0;
560} 560}
561 561
562int ehea_create_busmap(void) 562static inline int ehea_calc_index(unsigned long i, unsigned long s)
563{ 563{
564 u64 vaddr = EHEA_BUSMAP_START; 564 return (i >> s) & EHEA_INDEX_MASK;
565 unsigned long high_section_index = 0; 565}
566 int i;
567 566
568 /* 567static inline int ehea_init_top_bmap(struct ehea_top_bmap *ehea_top_bmap,
569 * Sections are not in ascending order -> Loop over all sections and 568 int dir)
570 * find the highest PFN to compute the required map size. 569{
571 */ 570 if(!ehea_top_bmap->dir[dir]) {
572 ehea_bmap.valid_sections = 0; 571 ehea_top_bmap->dir[dir] =
572 kzalloc(sizeof(struct ehea_dir_bmap), GFP_KERNEL);
573 if (!ehea_top_bmap->dir[dir])
574 return -ENOMEM;
575 }
576 return 0;
577}
573 578
574 for (i = 0; i < NR_MEM_SECTIONS; i++) 579static inline int ehea_init_bmap(struct ehea_bmap *ehea_bmap, int top, int dir)
575 if (valid_section_nr(i)) 580{
576 high_section_index = i; 581 if(!ehea_bmap->top[top]) {
582 ehea_bmap->top[top] =
583 kzalloc(sizeof(struct ehea_top_bmap), GFP_KERNEL);
584 if (!ehea_bmap->top[top])
585 return -ENOMEM;
586 }
587 return ehea_init_top_bmap(ehea_bmap->top[top], dir);
588}
577 589
578 ehea_bmap.entries = high_section_index + 1; 590static int ehea_create_busmap_callback(unsigned long pfn,
579 ehea_bmap.vaddr = vmalloc(ehea_bmap.entries * sizeof(*ehea_bmap.vaddr)); 591 unsigned long nr_pages, void *arg)
592{
593 unsigned long i, mr_len, start_section, end_section;
594 start_section = (pfn * PAGE_SIZE) / EHEA_SECTSIZE;
595 end_section = start_section + ((nr_pages * PAGE_SIZE) / EHEA_SECTSIZE);
596 mr_len = *(unsigned long *)arg;
580 597
581 if (!ehea_bmap.vaddr) 598 ehea_bmap = kzalloc(sizeof(struct ehea_bmap), GFP_KERNEL);
599 if (!ehea_bmap)
582 return -ENOMEM; 600 return -ENOMEM;
583 601
584 for (i = 0 ; i < ehea_bmap.entries; i++) { 602 for (i = start_section; i < end_section; i++) {
585 unsigned long pfn = section_nr_to_pfn(i); 603 int ret;
604 int top, dir, idx;
605 u64 vaddr;
606
607 top = ehea_calc_index(i, EHEA_TOP_INDEX_SHIFT);
608 dir = ehea_calc_index(i, EHEA_DIR_INDEX_SHIFT);
609
610 ret = ehea_init_bmap(ehea_bmap, top, dir);
611 if(ret)
612 return ret;
586 613
587 if (pfn_valid(pfn)) { 614 idx = i & EHEA_INDEX_MASK;
588 ehea_bmap.vaddr[i] = vaddr; 615 vaddr = EHEA_BUSMAP_START + mr_len + i * EHEA_SECTSIZE;
589 vaddr += EHEA_SECTSIZE; 616
590 ehea_bmap.valid_sections++; 617 ehea_bmap->top[top]->dir[dir]->ent[idx] = vaddr;
591 } else
592 ehea_bmap.vaddr[i] = 0;
593 } 618 }
594 619
620 mr_len += nr_pages * PAGE_SIZE;
621 *(unsigned long *)arg = mr_len;
622
595 return 0; 623 return 0;
596} 624}
597 625
626static unsigned long ehea_mr_len;
627
628static DEFINE_MUTEX(ehea_busmap_mutex);
629
630int ehea_create_busmap(void)
631{
632 int ret;
633 mutex_lock(&ehea_busmap_mutex);
634 ehea_mr_len = 0;
635 ret = walk_memory_resource(0, 1ULL << MAX_PHYSMEM_BITS, &ehea_mr_len,
636 ehea_create_busmap_callback);
637 mutex_unlock(&ehea_busmap_mutex);
638 return ret;
639}
640
598void ehea_destroy_busmap(void) 641void ehea_destroy_busmap(void)
599{ 642{
600 vfree(ehea_bmap.vaddr); 643 int top, dir;
644 mutex_lock(&ehea_busmap_mutex);
645 if (!ehea_bmap)
646 goto out_destroy;
647
648 for (top = 0; top < EHEA_MAP_ENTRIES; top++) {
649 if (!ehea_bmap->top[top])
650 continue;
651
652 for (dir = 0; dir < EHEA_MAP_ENTRIES; dir++) {
653 if (!ehea_bmap->top[top]->dir[dir])
654 continue;
655
656 kfree(ehea_bmap->top[top]->dir[dir]);
657 }
658
659 kfree(ehea_bmap->top[top]);
660 }
661
662 kfree(ehea_bmap);
663 ehea_bmap = NULL;
664out_destroy:
665 mutex_unlock(&ehea_busmap_mutex);
601} 666}
602 667
603u64 ehea_map_vaddr(void *caddr) 668u64 ehea_map_vaddr(void *caddr)
604{ 669{
605 u64 mapped_addr; 670 int top, dir, idx;
606 unsigned long index = __pa(caddr) >> SECTION_SIZE_BITS; 671 unsigned long index, offset;
607 672
608 if (likely(index < ehea_bmap.entries)) { 673 if (!ehea_bmap)
609 mapped_addr = ehea_bmap.vaddr[index]; 674 return EHEA_INVAL_ADDR;
610 if (likely(mapped_addr)) 675
611 mapped_addr |= (((unsigned long)caddr) 676 index = virt_to_abs(caddr) >> SECTION_SIZE_BITS;
612 & (EHEA_SECTSIZE - 1)); 677 top = (index >> EHEA_TOP_INDEX_SHIFT) & EHEA_INDEX_MASK;
613 else 678 if (!ehea_bmap->top[top])
614 mapped_addr = -1; 679 return EHEA_INVAL_ADDR;
615 } else 680
616 mapped_addr = -1; 681 dir = (index >> EHEA_DIR_INDEX_SHIFT) & EHEA_INDEX_MASK;
617 682 if (!ehea_bmap->top[top]->dir[dir])
618 if (unlikely(mapped_addr == -1)) 683 return EHEA_INVAL_ADDR;
619 if (!test_and_set_bit(__EHEA_STOP_XFER, &ehea_driver_flags)) 684
620 schedule_work(&ehea_rereg_mr_task); 685 idx = index & EHEA_INDEX_MASK;
621 686 if (!ehea_bmap->top[top]->dir[dir]->ent[idx])
622 return mapped_addr; 687 return EHEA_INVAL_ADDR;
688
689 offset = (unsigned long)caddr & (EHEA_SECTSIZE - 1);
690 return ehea_bmap->top[top]->dir[dir]->ent[idx] | offset;
691}
692
693static inline void *ehea_calc_sectbase(int top, int dir, int idx)
694{
695 unsigned long ret = idx;
696 ret |= dir << EHEA_DIR_INDEX_SHIFT;
697 ret |= top << EHEA_TOP_INDEX_SHIFT;
698 return abs_to_virt(ret << SECTION_SIZE_BITS);
699}
700
701static u64 ehea_reg_mr_section(int top, int dir, int idx, u64 *pt,
702 struct ehea_adapter *adapter,
703 struct ehea_mr *mr)
704{
705 void *pg;
706 u64 j, m, hret;
707 unsigned long k = 0;
708 u64 pt_abs = virt_to_abs(pt);
709
710 void *sectbase = ehea_calc_sectbase(top, dir, idx);
711
712 for (j = 0; j < (EHEA_PAGES_PER_SECTION / EHEA_MAX_RPAGE); j++) {
713
714 for (m = 0; m < EHEA_MAX_RPAGE; m++) {
715 pg = sectbase + ((k++) * EHEA_PAGESIZE);
716 pt[m] = virt_to_abs(pg);
717 }
718 hret = ehea_h_register_rpage_mr(adapter->handle, mr->handle, 0,
719 0, pt_abs, EHEA_MAX_RPAGE);
720
721 if ((hret != H_SUCCESS)
722 && (hret != H_PAGE_REGISTERED)) {
723 ehea_h_free_resource(adapter->handle, mr->handle,
724 FORCE_FREE);
725 ehea_error("register_rpage_mr failed");
726 return hret;
727 }
728 }
729 return hret;
730}
731
732static u64 ehea_reg_mr_sections(int top, int dir, u64 *pt,
733 struct ehea_adapter *adapter,
734 struct ehea_mr *mr)
735{
736 u64 hret = H_SUCCESS;
737 int idx;
738
739 for (idx = 0; idx < EHEA_MAP_ENTRIES; idx++) {
740 if (!ehea_bmap->top[top]->dir[dir]->ent[idx])
741 continue;
742
743 hret = ehea_reg_mr_section(top, dir, idx, pt, adapter, mr);
744 if ((hret != H_SUCCESS) && (hret != H_PAGE_REGISTERED))
745 return hret;
746 }
747 return hret;
748}
749
750static u64 ehea_reg_mr_dir_sections(int top, u64 *pt,
751 struct ehea_adapter *adapter,
752 struct ehea_mr *mr)
753{
754 u64 hret = H_SUCCESS;
755 int dir;
756
757 for (dir = 0; dir < EHEA_MAP_ENTRIES; dir++) {
758 if (!ehea_bmap->top[top]->dir[dir])
759 continue;
760
761 hret = ehea_reg_mr_sections(top, dir, pt, adapter, mr);
762 if ((hret != H_SUCCESS) && (hret != H_PAGE_REGISTERED))
763 return hret;
764 }
765 return hret;
623} 766}
624 767
625int ehea_reg_kernel_mr(struct ehea_adapter *adapter, struct ehea_mr *mr) 768int ehea_reg_kernel_mr(struct ehea_adapter *adapter, struct ehea_mr *mr)
626{ 769{
627 int ret; 770 int ret;
628 u64 *pt; 771 u64 *pt;
629 void *pg; 772 u64 hret;
630 u64 hret, pt_abs, i, j, m, mr_len;
631 u32 acc_ctrl = EHEA_MR_ACC_CTRL; 773 u32 acc_ctrl = EHEA_MR_ACC_CTRL;
632 774
633 mr_len = ehea_bmap.valid_sections * EHEA_SECTSIZE; 775 unsigned long top;
634 776
635 pt = kzalloc(PAGE_SIZE, GFP_KERNEL); 777 pt = kzalloc(PAGE_SIZE, GFP_KERNEL);
636 if (!pt) { 778 if (!pt) {
637 ehea_error("no mem"); 779 ehea_error("no mem");
638 ret = -ENOMEM; 780 ret = -ENOMEM;
639 goto out; 781 goto out;
640 } 782 }
641 pt_abs = virt_to_abs(pt);
642 783
643 hret = ehea_h_alloc_resource_mr(adapter->handle, 784 hret = ehea_h_alloc_resource_mr(adapter->handle, EHEA_BUSMAP_START,
644 EHEA_BUSMAP_START, mr_len, 785 ehea_mr_len, acc_ctrl, adapter->pd,
645 acc_ctrl, adapter->pd,
646 &mr->handle, &mr->lkey); 786 &mr->handle, &mr->lkey);
787
647 if (hret != H_SUCCESS) { 788 if (hret != H_SUCCESS) {
648 ehea_error("alloc_resource_mr failed"); 789 ehea_error("alloc_resource_mr failed");
649 ret = -EIO; 790 ret = -EIO;
650 goto out; 791 goto out;
651 } 792 }
652 793
653 for (i = 0 ; i < ehea_bmap.entries; i++) 794 if (!ehea_bmap) {
654 if (ehea_bmap.vaddr[i]) { 795 ehea_h_free_resource(adapter->handle, mr->handle, FORCE_FREE);
655 void *sectbase = __va(i << SECTION_SIZE_BITS); 796 ehea_error("no busmap available");
656 unsigned long k = 0; 797 ret = -EIO;
657 798 goto out;
658 for (j = 0; j < (EHEA_PAGES_PER_SECTION / 799 }
659 EHEA_MAX_RPAGE); j++) { 800
660 801 for (top = 0; top < EHEA_MAP_ENTRIES; top++) {
661 for (m = 0; m < EHEA_MAX_RPAGE; m++) { 802 if (!ehea_bmap->top[top])
662 pg = sectbase + ((k++) * EHEA_PAGESIZE); 803 continue;
663 pt[m] = virt_to_abs(pg); 804
664 } 805 hret = ehea_reg_mr_dir_sections(top, pt, adapter, mr);
665 806 if((hret != H_PAGE_REGISTERED) && (hret != H_SUCCESS))
666 hret = ehea_h_register_rpage_mr(adapter->handle, 807 break;
667 mr->handle, 808 }
668 0, 0, pt_abs,
669 EHEA_MAX_RPAGE);
670 if ((hret != H_SUCCESS)
671 && (hret != H_PAGE_REGISTERED)) {
672 ehea_h_free_resource(adapter->handle,
673 mr->handle,
674 FORCE_FREE);
675 ehea_error("register_rpage_mr failed");
676 ret = -EIO;
677 goto out;
678 }
679 }
680 }
681 809
682 if (hret != H_SUCCESS) { 810 if (hret != H_SUCCESS) {
683 ehea_h_free_resource(adapter->handle, mr->handle, FORCE_FREE); 811 ehea_h_free_resource(adapter->handle, mr->handle, FORCE_FREE);
diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index 6f22f068d6ee..25bdd0832df5 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -635,6 +635,8 @@ static void free_skb_resources(struct gfar_private *priv)
635 dev_kfree_skb_any(priv->tx_skbuff[i]); 635 dev_kfree_skb_any(priv->tx_skbuff[i]);
636 priv->tx_skbuff[i] = NULL; 636 priv->tx_skbuff[i] = NULL;
637 } 637 }
638
639 txbdp++;
638 } 640 }
639 641
640 kfree(priv->tx_skbuff); 642 kfree(priv->tx_skbuff);
diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c
index ef63c8d2bd7e..c91b12ea26ad 100644
--- a/drivers/net/myri10ge/myri10ge.c
+++ b/drivers/net/myri10ge/myri10ge.c
@@ -144,11 +144,13 @@ struct myri10ge_tx_buf {
144 char *req_bytes; 144 char *req_bytes;
145 struct myri10ge_tx_buffer_state *info; 145 struct myri10ge_tx_buffer_state *info;
146 int mask; /* number of transmit slots -1 */ 146 int mask; /* number of transmit slots -1 */
147 int boundary; /* boundary transmits cannot cross */
148 int req ____cacheline_aligned; /* transmit slots submitted */ 147 int req ____cacheline_aligned; /* transmit slots submitted */
149 int pkt_start; /* packets started */ 148 int pkt_start; /* packets started */
149 int stop_queue;
150 int linearized;
150 int done ____cacheline_aligned; /* transmit slots completed */ 151 int done ____cacheline_aligned; /* transmit slots completed */
151 int pkt_done; /* packets completed */ 152 int pkt_done; /* packets completed */
153 int wake_queue;
152}; 154};
153 155
154struct myri10ge_rx_done { 156struct myri10ge_rx_done {
@@ -160,29 +162,50 @@ struct myri10ge_rx_done {
160 struct net_lro_desc lro_desc[MYRI10GE_MAX_LRO_DESCRIPTORS]; 162 struct net_lro_desc lro_desc[MYRI10GE_MAX_LRO_DESCRIPTORS];
161}; 163};
162 164
163struct myri10ge_priv { 165struct myri10ge_slice_netstats {
164 int running; /* running? */ 166 unsigned long rx_packets;
165 int csum_flag; /* rx_csums? */ 167 unsigned long tx_packets;
168 unsigned long rx_bytes;
169 unsigned long tx_bytes;
170 unsigned long rx_dropped;
171 unsigned long tx_dropped;
172};
173
174struct myri10ge_slice_state {
166 struct myri10ge_tx_buf tx; /* transmit ring */ 175 struct myri10ge_tx_buf tx; /* transmit ring */
167 struct myri10ge_rx_buf rx_small; 176 struct myri10ge_rx_buf rx_small;
168 struct myri10ge_rx_buf rx_big; 177 struct myri10ge_rx_buf rx_big;
169 struct myri10ge_rx_done rx_done; 178 struct myri10ge_rx_done rx_done;
179 struct net_device *dev;
180 struct napi_struct napi;
181 struct myri10ge_priv *mgp;
182 struct myri10ge_slice_netstats stats;
183 __be32 __iomem *irq_claim;
184 struct mcp_irq_data *fw_stats;
185 dma_addr_t fw_stats_bus;
186 int watchdog_tx_done;
187 int watchdog_tx_req;
188};
189
190struct myri10ge_priv {
191 struct myri10ge_slice_state ss;
192 int tx_boundary; /* boundary transmits cannot cross */
193 int running; /* running? */
194 int csum_flag; /* rx_csums? */
170 int small_bytes; 195 int small_bytes;
171 int big_bytes; 196 int big_bytes;
197 int max_intr_slots;
172 struct net_device *dev; 198 struct net_device *dev;
173 struct napi_struct napi;
174 struct net_device_stats stats; 199 struct net_device_stats stats;
200 spinlock_t stats_lock;
175 u8 __iomem *sram; 201 u8 __iomem *sram;
176 int sram_size; 202 int sram_size;
177 unsigned long board_span; 203 unsigned long board_span;
178 unsigned long iomem_base; 204 unsigned long iomem_base;
179 __be32 __iomem *irq_claim;
180 __be32 __iomem *irq_deassert; 205 __be32 __iomem *irq_deassert;
181 char *mac_addr_string; 206 char *mac_addr_string;
182 struct mcp_cmd_response *cmd; 207 struct mcp_cmd_response *cmd;
183 dma_addr_t cmd_bus; 208 dma_addr_t cmd_bus;
184 struct mcp_irq_data *fw_stats;
185 dma_addr_t fw_stats_bus;
186 struct pci_dev *pdev; 209 struct pci_dev *pdev;
187 int msi_enabled; 210 int msi_enabled;
188 u32 link_state; 211 u32 link_state;
@@ -191,20 +214,16 @@ struct myri10ge_priv {
191 __be32 __iomem *intr_coal_delay_ptr; 214 __be32 __iomem *intr_coal_delay_ptr;
192 int mtrr; 215 int mtrr;
193 int wc_enabled; 216 int wc_enabled;
194 int wake_queue;
195 int stop_queue;
196 int down_cnt; 217 int down_cnt;
197 wait_queue_head_t down_wq; 218 wait_queue_head_t down_wq;
198 struct work_struct watchdog_work; 219 struct work_struct watchdog_work;
199 struct timer_list watchdog_timer; 220 struct timer_list watchdog_timer;
200 int watchdog_tx_done;
201 int watchdog_tx_req;
202 int watchdog_pause;
203 int watchdog_resets; 221 int watchdog_resets;
204 int tx_linearized; 222 int watchdog_pause;
205 int pause; 223 int pause;
206 char *fw_name; 224 char *fw_name;
207 char eeprom_strings[MYRI10GE_EEPROM_STRINGS_SIZE]; 225 char eeprom_strings[MYRI10GE_EEPROM_STRINGS_SIZE];
226 char *product_code_string;
208 char fw_version[128]; 227 char fw_version[128];
209 int fw_ver_major; 228 int fw_ver_major;
210 int fw_ver_minor; 229 int fw_ver_minor;
@@ -228,58 +247,54 @@ static char *myri10ge_fw_aligned = "myri10ge_eth_z8e.dat";
228 247
229static char *myri10ge_fw_name = NULL; 248static char *myri10ge_fw_name = NULL;
230module_param(myri10ge_fw_name, charp, S_IRUGO | S_IWUSR); 249module_param(myri10ge_fw_name, charp, S_IRUGO | S_IWUSR);
231MODULE_PARM_DESC(myri10ge_fw_name, "Firmware image name\n"); 250MODULE_PARM_DESC(myri10ge_fw_name, "Firmware image name");
232 251
233static int myri10ge_ecrc_enable = 1; 252static int myri10ge_ecrc_enable = 1;
234module_param(myri10ge_ecrc_enable, int, S_IRUGO); 253module_param(myri10ge_ecrc_enable, int, S_IRUGO);
235MODULE_PARM_DESC(myri10ge_ecrc_enable, "Enable Extended CRC on PCI-E\n"); 254MODULE_PARM_DESC(myri10ge_ecrc_enable, "Enable Extended CRC on PCI-E");
236
237static int myri10ge_max_intr_slots = 1024;
238module_param(myri10ge_max_intr_slots, int, S_IRUGO);
239MODULE_PARM_DESC(myri10ge_max_intr_slots, "Interrupt queue slots\n");
240 255
241static int myri10ge_small_bytes = -1; /* -1 == auto */ 256static int myri10ge_small_bytes = -1; /* -1 == auto */
242module_param(myri10ge_small_bytes, int, S_IRUGO | S_IWUSR); 257module_param(myri10ge_small_bytes, int, S_IRUGO | S_IWUSR);
243MODULE_PARM_DESC(myri10ge_small_bytes, "Threshold of small packets\n"); 258MODULE_PARM_DESC(myri10ge_small_bytes, "Threshold of small packets");
244 259
245static int myri10ge_msi = 1; /* enable msi by default */ 260static int myri10ge_msi = 1; /* enable msi by default */
246module_param(myri10ge_msi, int, S_IRUGO | S_IWUSR); 261module_param(myri10ge_msi, int, S_IRUGO | S_IWUSR);
247MODULE_PARM_DESC(myri10ge_msi, "Enable Message Signalled Interrupts\n"); 262MODULE_PARM_DESC(myri10ge_msi, "Enable Message Signalled Interrupts");
248 263
249static int myri10ge_intr_coal_delay = 75; 264static int myri10ge_intr_coal_delay = 75;
250module_param(myri10ge_intr_coal_delay, int, S_IRUGO); 265module_param(myri10ge_intr_coal_delay, int, S_IRUGO);
251MODULE_PARM_DESC(myri10ge_intr_coal_delay, "Interrupt coalescing delay\n"); 266MODULE_PARM_DESC(myri10ge_intr_coal_delay, "Interrupt coalescing delay");
252 267
253static int myri10ge_flow_control = 1; 268static int myri10ge_flow_control = 1;
254module_param(myri10ge_flow_control, int, S_IRUGO); 269module_param(myri10ge_flow_control, int, S_IRUGO);
255MODULE_PARM_DESC(myri10ge_flow_control, "Pause parameter\n"); 270MODULE_PARM_DESC(myri10ge_flow_control, "Pause parameter");
256 271
257static int myri10ge_deassert_wait = 1; 272static int myri10ge_deassert_wait = 1;
258module_param(myri10ge_deassert_wait, int, S_IRUGO | S_IWUSR); 273module_param(myri10ge_deassert_wait, int, S_IRUGO | S_IWUSR);
259MODULE_PARM_DESC(myri10ge_deassert_wait, 274MODULE_PARM_DESC(myri10ge_deassert_wait,
260 "Wait when deasserting legacy interrupts\n"); 275 "Wait when deasserting legacy interrupts");
261 276
262static int myri10ge_force_firmware = 0; 277static int myri10ge_force_firmware = 0;
263module_param(myri10ge_force_firmware, int, S_IRUGO); 278module_param(myri10ge_force_firmware, int, S_IRUGO);
264MODULE_PARM_DESC(myri10ge_force_firmware, 279MODULE_PARM_DESC(myri10ge_force_firmware,
265 "Force firmware to assume aligned completions\n"); 280 "Force firmware to assume aligned completions");
266 281
267static int myri10ge_initial_mtu = MYRI10GE_MAX_ETHER_MTU - ETH_HLEN; 282static int myri10ge_initial_mtu = MYRI10GE_MAX_ETHER_MTU - ETH_HLEN;
268module_param(myri10ge_initial_mtu, int, S_IRUGO); 283module_param(myri10ge_initial_mtu, int, S_IRUGO);
269MODULE_PARM_DESC(myri10ge_initial_mtu, "Initial MTU\n"); 284MODULE_PARM_DESC(myri10ge_initial_mtu, "Initial MTU");
270 285
271static int myri10ge_napi_weight = 64; 286static int myri10ge_napi_weight = 64;
272module_param(myri10ge_napi_weight, int, S_IRUGO); 287module_param(myri10ge_napi_weight, int, S_IRUGO);
273MODULE_PARM_DESC(myri10ge_napi_weight, "Set NAPI weight\n"); 288MODULE_PARM_DESC(myri10ge_napi_weight, "Set NAPI weight");
274 289
275static int myri10ge_watchdog_timeout = 1; 290static int myri10ge_watchdog_timeout = 1;
276module_param(myri10ge_watchdog_timeout, int, S_IRUGO); 291module_param(myri10ge_watchdog_timeout, int, S_IRUGO);
277MODULE_PARM_DESC(myri10ge_watchdog_timeout, "Set watchdog timeout\n"); 292MODULE_PARM_DESC(myri10ge_watchdog_timeout, "Set watchdog timeout");
278 293
279static int myri10ge_max_irq_loops = 1048576; 294static int myri10ge_max_irq_loops = 1048576;
280module_param(myri10ge_max_irq_loops, int, S_IRUGO); 295module_param(myri10ge_max_irq_loops, int, S_IRUGO);
281MODULE_PARM_DESC(myri10ge_max_irq_loops, 296MODULE_PARM_DESC(myri10ge_max_irq_loops,
282 "Set stuck legacy IRQ detection threshold\n"); 297 "Set stuck legacy IRQ detection threshold");
283 298
284#define MYRI10GE_MSG_DEFAULT NETIF_MSG_LINK 299#define MYRI10GE_MSG_DEFAULT NETIF_MSG_LINK
285 300
@@ -289,21 +304,22 @@ MODULE_PARM_DESC(myri10ge_debug, "Debug level (0=none,...,16=all)");
289 304
290static int myri10ge_lro = 1; 305static int myri10ge_lro = 1;
291module_param(myri10ge_lro, int, S_IRUGO); 306module_param(myri10ge_lro, int, S_IRUGO);
292MODULE_PARM_DESC(myri10ge_lro, "Enable large receive offload\n"); 307MODULE_PARM_DESC(myri10ge_lro, "Enable large receive offload");
293 308
294static int myri10ge_lro_max_pkts = MYRI10GE_LRO_MAX_PKTS; 309static int myri10ge_lro_max_pkts = MYRI10GE_LRO_MAX_PKTS;
295module_param(myri10ge_lro_max_pkts, int, S_IRUGO); 310module_param(myri10ge_lro_max_pkts, int, S_IRUGO);
296MODULE_PARM_DESC(myri10ge_lro, "Number of LRO packets to be aggregated\n"); 311MODULE_PARM_DESC(myri10ge_lro_max_pkts,
312 "Number of LRO packets to be aggregated");
297 313
298static int myri10ge_fill_thresh = 256; 314static int myri10ge_fill_thresh = 256;
299module_param(myri10ge_fill_thresh, int, S_IRUGO | S_IWUSR); 315module_param(myri10ge_fill_thresh, int, S_IRUGO | S_IWUSR);
300MODULE_PARM_DESC(myri10ge_fill_thresh, "Number of empty rx slots allowed\n"); 316MODULE_PARM_DESC(myri10ge_fill_thresh, "Number of empty rx slots allowed");
301 317
302static int myri10ge_reset_recover = 1; 318static int myri10ge_reset_recover = 1;
303 319
304static int myri10ge_wcfifo = 0; 320static int myri10ge_wcfifo = 0;
305module_param(myri10ge_wcfifo, int, S_IRUGO); 321module_param(myri10ge_wcfifo, int, S_IRUGO);
306MODULE_PARM_DESC(myri10ge_wcfifo, "Enable WC Fifo when WC is enabled\n"); 322MODULE_PARM_DESC(myri10ge_wcfifo, "Enable WC Fifo when WC is enabled");
307 323
308#define MYRI10GE_FW_OFFSET 1024*1024 324#define MYRI10GE_FW_OFFSET 1024*1024
309#define MYRI10GE_HIGHPART_TO_U32(X) \ 325#define MYRI10GE_HIGHPART_TO_U32(X) \
@@ -359,8 +375,10 @@ myri10ge_send_cmd(struct myri10ge_priv *mgp, u32 cmd,
359 for (sleep_total = 0; 375 for (sleep_total = 0;
360 sleep_total < 1000 376 sleep_total < 1000
361 && response->result == htonl(MYRI10GE_NO_RESPONSE_RESULT); 377 && response->result == htonl(MYRI10GE_NO_RESPONSE_RESULT);
362 sleep_total += 10) 378 sleep_total += 10) {
363 udelay(10); 379 udelay(10);
380 mb();
381 }
364 } else { 382 } else {
365 /* use msleep for most command */ 383 /* use msleep for most command */
366 for (sleep_total = 0; 384 for (sleep_total = 0;
@@ -420,6 +438,10 @@ static int myri10ge_read_mac_addr(struct myri10ge_priv *mgp)
420 ptr += 1; 438 ptr += 1;
421 } 439 }
422 } 440 }
441 if (memcmp(ptr, "PC=", 3) == 0) {
442 ptr += 3;
443 mgp->product_code_string = ptr;
444 }
423 if (memcmp((const void *)ptr, "SN=", 3) == 0) { 445 if (memcmp((const void *)ptr, "SN=", 3) == 0) {
424 ptr += 3; 446 ptr += 3;
425 mgp->serial_number = simple_strtoul(ptr, &ptr, 10); 447 mgp->serial_number = simple_strtoul(ptr, &ptr, 10);
@@ -442,7 +464,7 @@ abort:
442static void myri10ge_dummy_rdma(struct myri10ge_priv *mgp, int enable) 464static void myri10ge_dummy_rdma(struct myri10ge_priv *mgp, int enable)
443{ 465{
444 char __iomem *submit; 466 char __iomem *submit;
445 __be32 buf[16]; 467 __be32 buf[16] __attribute__ ((__aligned__(8)));
446 u32 dma_low, dma_high; 468 u32 dma_low, dma_high;
447 int i; 469 int i;
448 470
@@ -609,13 +631,38 @@ static int myri10ge_adopt_running_firmware(struct myri10ge_priv *mgp)
609 return status; 631 return status;
610} 632}
611 633
634int myri10ge_get_firmware_capabilities(struct myri10ge_priv *mgp)
635{
636 struct myri10ge_cmd cmd;
637 int status;
638
639 /* probe for IPv6 TSO support */
640 mgp->features = NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_TSO;
641 status = myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_MAX_TSO6_HDR_SIZE,
642 &cmd, 0);
643 if (status == 0) {
644 mgp->max_tso6 = cmd.data0;
645 mgp->features |= NETIF_F_TSO6;
646 }
647
648 status = myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_RX_RING_SIZE, &cmd, 0);
649 if (status != 0) {
650 dev_err(&mgp->pdev->dev,
651 "failed MXGEFW_CMD_GET_RX_RING_SIZE\n");
652 return -ENXIO;
653 }
654
655 mgp->max_intr_slots = 2 * (cmd.data0 / sizeof(struct mcp_dma_addr));
656
657 return 0;
658}
659
612static int myri10ge_load_firmware(struct myri10ge_priv *mgp) 660static int myri10ge_load_firmware(struct myri10ge_priv *mgp)
613{ 661{
614 char __iomem *submit; 662 char __iomem *submit;
615 __be32 buf[16]; 663 __be32 buf[16] __attribute__ ((__aligned__(8)));
616 u32 dma_low, dma_high, size; 664 u32 dma_low, dma_high, size;
617 int status, i; 665 int status, i;
618 struct myri10ge_cmd cmd;
619 666
620 size = 0; 667 size = 0;
621 status = myri10ge_load_hotplug_firmware(mgp, &size); 668 status = myri10ge_load_hotplug_firmware(mgp, &size);
@@ -635,7 +682,7 @@ static int myri10ge_load_firmware(struct myri10ge_priv *mgp)
635 } 682 }
636 dev_info(&mgp->pdev->dev, 683 dev_info(&mgp->pdev->dev,
637 "Successfully adopted running firmware\n"); 684 "Successfully adopted running firmware\n");
638 if (mgp->tx.boundary == 4096) { 685 if (mgp->tx_boundary == 4096) {
639 dev_warn(&mgp->pdev->dev, 686 dev_warn(&mgp->pdev->dev,
640 "Using firmware currently running on NIC" 687 "Using firmware currently running on NIC"
641 ". For optimal\n"); 688 ". For optimal\n");
@@ -646,7 +693,9 @@ static int myri10ge_load_firmware(struct myri10ge_priv *mgp)
646 } 693 }
647 694
648 mgp->fw_name = "adopted"; 695 mgp->fw_name = "adopted";
649 mgp->tx.boundary = 2048; 696 mgp->tx_boundary = 2048;
697 myri10ge_dummy_rdma(mgp, 1);
698 status = myri10ge_get_firmware_capabilities(mgp);
650 return status; 699 return status;
651 } 700 }
652 701
@@ -681,26 +730,18 @@ static int myri10ge_load_firmware(struct myri10ge_priv *mgp)
681 msleep(1); 730 msleep(1);
682 mb(); 731 mb();
683 i = 0; 732 i = 0;
684 while (mgp->cmd->data != MYRI10GE_NO_CONFIRM_DATA && i < 20) { 733 while (mgp->cmd->data != MYRI10GE_NO_CONFIRM_DATA && i < 9) {
685 msleep(1); 734 msleep(1 << i);
686 i++; 735 i++;
687 } 736 }
688 if (mgp->cmd->data != MYRI10GE_NO_CONFIRM_DATA) { 737 if (mgp->cmd->data != MYRI10GE_NO_CONFIRM_DATA) {
689 dev_err(&mgp->pdev->dev, "handoff failed\n"); 738 dev_err(&mgp->pdev->dev, "handoff failed\n");
690 return -ENXIO; 739 return -ENXIO;
691 } 740 }
692 dev_info(&mgp->pdev->dev, "handoff confirmed\n");
693 myri10ge_dummy_rdma(mgp, 1); 741 myri10ge_dummy_rdma(mgp, 1);
742 status = myri10ge_get_firmware_capabilities(mgp);
694 743
695 /* probe for IPv6 TSO support */ 744 return status;
696 mgp->features = NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_TSO;
697 status = myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_MAX_TSO6_HDR_SIZE,
698 &cmd, 0);
699 if (status == 0) {
700 mgp->max_tso6 = cmd.data0;
701 mgp->features |= NETIF_F_TSO6;
702 }
703 return 0;
704} 745}
705 746
706static int myri10ge_update_mac_address(struct myri10ge_priv *mgp, u8 * addr) 747static int myri10ge_update_mac_address(struct myri10ge_priv *mgp, u8 * addr)
@@ -772,7 +813,7 @@ static int myri10ge_dma_test(struct myri10ge_priv *mgp, int test_type)
772 * transfers took to complete. 813 * transfers took to complete.
773 */ 814 */
774 815
775 len = mgp->tx.boundary; 816 len = mgp->tx_boundary;
776 817
777 cmd.data0 = MYRI10GE_LOWPART_TO_U32(dmatest_bus); 818 cmd.data0 = MYRI10GE_LOWPART_TO_U32(dmatest_bus);
778 cmd.data1 = MYRI10GE_HIGHPART_TO_U32(dmatest_bus); 819 cmd.data1 = MYRI10GE_HIGHPART_TO_U32(dmatest_bus);
@@ -834,17 +875,17 @@ static int myri10ge_reset(struct myri10ge_priv *mgp)
834 875
835 /* Now exchange information about interrupts */ 876 /* Now exchange information about interrupts */
836 877
837 bytes = myri10ge_max_intr_slots * sizeof(*mgp->rx_done.entry); 878 bytes = mgp->max_intr_slots * sizeof(*mgp->ss.rx_done.entry);
838 memset(mgp->rx_done.entry, 0, bytes); 879 memset(mgp->ss.rx_done.entry, 0, bytes);
839 cmd.data0 = (u32) bytes; 880 cmd.data0 = (u32) bytes;
840 status = myri10ge_send_cmd(mgp, MXGEFW_CMD_SET_INTRQ_SIZE, &cmd, 0); 881 status = myri10ge_send_cmd(mgp, MXGEFW_CMD_SET_INTRQ_SIZE, &cmd, 0);
841 cmd.data0 = MYRI10GE_LOWPART_TO_U32(mgp->rx_done.bus); 882 cmd.data0 = MYRI10GE_LOWPART_TO_U32(mgp->ss.rx_done.bus);
842 cmd.data1 = MYRI10GE_HIGHPART_TO_U32(mgp->rx_done.bus); 883 cmd.data1 = MYRI10GE_HIGHPART_TO_U32(mgp->ss.rx_done.bus);
843 status |= myri10ge_send_cmd(mgp, MXGEFW_CMD_SET_INTRQ_DMA, &cmd, 0); 884 status |= myri10ge_send_cmd(mgp, MXGEFW_CMD_SET_INTRQ_DMA, &cmd, 0);
844 885
845 status |= 886 status |=
846 myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_IRQ_ACK_OFFSET, &cmd, 0); 887 myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_IRQ_ACK_OFFSET, &cmd, 0);
847 mgp->irq_claim = (__iomem __be32 *) (mgp->sram + cmd.data0); 888 mgp->ss.irq_claim = (__iomem __be32 *) (mgp->sram + cmd.data0);
848 status |= myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_IRQ_DEASSERT_OFFSET, 889 status |= myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_IRQ_DEASSERT_OFFSET,
849 &cmd, 0); 890 &cmd, 0);
850 mgp->irq_deassert = (__iomem __be32 *) (mgp->sram + cmd.data0); 891 mgp->irq_deassert = (__iomem __be32 *) (mgp->sram + cmd.data0);
@@ -858,17 +899,17 @@ static int myri10ge_reset(struct myri10ge_priv *mgp)
858 } 899 }
859 put_be32(htonl(mgp->intr_coal_delay), mgp->intr_coal_delay_ptr); 900 put_be32(htonl(mgp->intr_coal_delay), mgp->intr_coal_delay_ptr);
860 901
861 memset(mgp->rx_done.entry, 0, bytes); 902 memset(mgp->ss.rx_done.entry, 0, bytes);
862 903
863 /* reset mcp/driver shared state back to 0 */ 904 /* reset mcp/driver shared state back to 0 */
864 mgp->tx.req = 0; 905 mgp->ss.tx.req = 0;
865 mgp->tx.done = 0; 906 mgp->ss.tx.done = 0;
866 mgp->tx.pkt_start = 0; 907 mgp->ss.tx.pkt_start = 0;
867 mgp->tx.pkt_done = 0; 908 mgp->ss.tx.pkt_done = 0;
868 mgp->rx_big.cnt = 0; 909 mgp->ss.rx_big.cnt = 0;
869 mgp->rx_small.cnt = 0; 910 mgp->ss.rx_small.cnt = 0;
870 mgp->rx_done.idx = 0; 911 mgp->ss.rx_done.idx = 0;
871 mgp->rx_done.cnt = 0; 912 mgp->ss.rx_done.cnt = 0;
872 mgp->link_changes = 0; 913 mgp->link_changes = 0;
873 status = myri10ge_update_mac_address(mgp, mgp->dev->dev_addr); 914 status = myri10ge_update_mac_address(mgp, mgp->dev->dev_addr);
874 myri10ge_change_pause(mgp, mgp->pause); 915 myri10ge_change_pause(mgp, mgp->pause);
@@ -1020,9 +1061,10 @@ myri10ge_unmap_rx_page(struct pci_dev *pdev,
1020 * page into an skb */ 1061 * page into an skb */
1021 1062
1022static inline int 1063static inline int
1023myri10ge_rx_done(struct myri10ge_priv *mgp, struct myri10ge_rx_buf *rx, 1064myri10ge_rx_done(struct myri10ge_slice_state *ss, struct myri10ge_rx_buf *rx,
1024 int bytes, int len, __wsum csum) 1065 int bytes, int len, __wsum csum)
1025{ 1066{
1067 struct myri10ge_priv *mgp = ss->mgp;
1026 struct sk_buff *skb; 1068 struct sk_buff *skb;
1027 struct skb_frag_struct rx_frags[MYRI10GE_MAX_FRAGS_PER_FRAME]; 1069 struct skb_frag_struct rx_frags[MYRI10GE_MAX_FRAGS_PER_FRAME];
1028 int i, idx, hlen, remainder; 1070 int i, idx, hlen, remainder;
@@ -1052,11 +1094,10 @@ myri10ge_rx_done(struct myri10ge_priv *mgp, struct myri10ge_rx_buf *rx,
1052 rx_frags[0].page_offset += MXGEFW_PAD; 1094 rx_frags[0].page_offset += MXGEFW_PAD;
1053 rx_frags[0].size -= MXGEFW_PAD; 1095 rx_frags[0].size -= MXGEFW_PAD;
1054 len -= MXGEFW_PAD; 1096 len -= MXGEFW_PAD;
1055 lro_receive_frags(&mgp->rx_done.lro_mgr, rx_frags, 1097 lro_receive_frags(&ss->rx_done.lro_mgr, rx_frags,
1056 len, len, 1098 len, len,
1057 /* opaque, will come back in get_frag_header */ 1099 /* opaque, will come back in get_frag_header */
1058 (void *)(__force unsigned long)csum, 1100 (void *)(__force unsigned long)csum, csum);
1059 csum);
1060 return 1; 1101 return 1;
1061 } 1102 }
1062 1103
@@ -1096,10 +1137,11 @@ myri10ge_rx_done(struct myri10ge_priv *mgp, struct myri10ge_rx_buf *rx,
1096 return 1; 1137 return 1;
1097} 1138}
1098 1139
1099static inline void myri10ge_tx_done(struct myri10ge_priv *mgp, int mcp_index) 1140static inline void
1141myri10ge_tx_done(struct myri10ge_slice_state *ss, int mcp_index)
1100{ 1142{
1101 struct pci_dev *pdev = mgp->pdev; 1143 struct pci_dev *pdev = ss->mgp->pdev;
1102 struct myri10ge_tx_buf *tx = &mgp->tx; 1144 struct myri10ge_tx_buf *tx = &ss->tx;
1103 struct sk_buff *skb; 1145 struct sk_buff *skb;
1104 int idx, len; 1146 int idx, len;
1105 1147
@@ -1117,8 +1159,8 @@ static inline void myri10ge_tx_done(struct myri10ge_priv *mgp, int mcp_index)
1117 len = pci_unmap_len(&tx->info[idx], len); 1159 len = pci_unmap_len(&tx->info[idx], len);
1118 pci_unmap_len_set(&tx->info[idx], len, 0); 1160 pci_unmap_len_set(&tx->info[idx], len, 0);
1119 if (skb) { 1161 if (skb) {
1120 mgp->stats.tx_bytes += skb->len; 1162 ss->stats.tx_bytes += skb->len;
1121 mgp->stats.tx_packets++; 1163 ss->stats.tx_packets++;
1122 dev_kfree_skb_irq(skb); 1164 dev_kfree_skb_irq(skb);
1123 if (len) 1165 if (len)
1124 pci_unmap_single(pdev, 1166 pci_unmap_single(pdev,
@@ -1134,16 +1176,18 @@ static inline void myri10ge_tx_done(struct myri10ge_priv *mgp, int mcp_index)
1134 } 1176 }
1135 } 1177 }
1136 /* start the queue if we've stopped it */ 1178 /* start the queue if we've stopped it */
1137 if (netif_queue_stopped(mgp->dev) 1179 if (netif_queue_stopped(ss->dev)
1138 && tx->req - tx->done < (tx->mask >> 1)) { 1180 && tx->req - tx->done < (tx->mask >> 1)) {
1139 mgp->wake_queue++; 1181 tx->wake_queue++;
1140 netif_wake_queue(mgp->dev); 1182 netif_wake_queue(ss->dev);
1141 } 1183 }
1142} 1184}
1143 1185
1144static inline int myri10ge_clean_rx_done(struct myri10ge_priv *mgp, int budget) 1186static inline int
1187myri10ge_clean_rx_done(struct myri10ge_slice_state *ss, int budget)
1145{ 1188{
1146 struct myri10ge_rx_done *rx_done = &mgp->rx_done; 1189 struct myri10ge_rx_done *rx_done = &ss->rx_done;
1190 struct myri10ge_priv *mgp = ss->mgp;
1147 unsigned long rx_bytes = 0; 1191 unsigned long rx_bytes = 0;
1148 unsigned long rx_packets = 0; 1192 unsigned long rx_packets = 0;
1149 unsigned long rx_ok; 1193 unsigned long rx_ok;
@@ -1159,40 +1203,40 @@ static inline int myri10ge_clean_rx_done(struct myri10ge_priv *mgp, int budget)
1159 rx_done->entry[idx].length = 0; 1203 rx_done->entry[idx].length = 0;
1160 checksum = csum_unfold(rx_done->entry[idx].checksum); 1204 checksum = csum_unfold(rx_done->entry[idx].checksum);
1161 if (length <= mgp->small_bytes) 1205 if (length <= mgp->small_bytes)
1162 rx_ok = myri10ge_rx_done(mgp, &mgp->rx_small, 1206 rx_ok = myri10ge_rx_done(ss, &ss->rx_small,
1163 mgp->small_bytes, 1207 mgp->small_bytes,
1164 length, checksum); 1208 length, checksum);
1165 else 1209 else
1166 rx_ok = myri10ge_rx_done(mgp, &mgp->rx_big, 1210 rx_ok = myri10ge_rx_done(ss, &ss->rx_big,
1167 mgp->big_bytes, 1211 mgp->big_bytes,
1168 length, checksum); 1212 length, checksum);
1169 rx_packets += rx_ok; 1213 rx_packets += rx_ok;
1170 rx_bytes += rx_ok * (unsigned long)length; 1214 rx_bytes += rx_ok * (unsigned long)length;
1171 cnt++; 1215 cnt++;
1172 idx = cnt & (myri10ge_max_intr_slots - 1); 1216 idx = cnt & (mgp->max_intr_slots - 1);
1173 work_done++; 1217 work_done++;
1174 } 1218 }
1175 rx_done->idx = idx; 1219 rx_done->idx = idx;
1176 rx_done->cnt = cnt; 1220 rx_done->cnt = cnt;
1177 mgp->stats.rx_packets += rx_packets; 1221 ss->stats.rx_packets += rx_packets;
1178 mgp->stats.rx_bytes += rx_bytes; 1222 ss->stats.rx_bytes += rx_bytes;
1179 1223
1180 if (myri10ge_lro) 1224 if (myri10ge_lro)
1181 lro_flush_all(&rx_done->lro_mgr); 1225 lro_flush_all(&rx_done->lro_mgr);
1182 1226
1183 /* restock receive rings if needed */ 1227 /* restock receive rings if needed */
1184 if (mgp->rx_small.fill_cnt - mgp->rx_small.cnt < myri10ge_fill_thresh) 1228 if (ss->rx_small.fill_cnt - ss->rx_small.cnt < myri10ge_fill_thresh)
1185 myri10ge_alloc_rx_pages(mgp, &mgp->rx_small, 1229 myri10ge_alloc_rx_pages(mgp, &ss->rx_small,
1186 mgp->small_bytes + MXGEFW_PAD, 0); 1230 mgp->small_bytes + MXGEFW_PAD, 0);
1187 if (mgp->rx_big.fill_cnt - mgp->rx_big.cnt < myri10ge_fill_thresh) 1231 if (ss->rx_big.fill_cnt - ss->rx_big.cnt < myri10ge_fill_thresh)
1188 myri10ge_alloc_rx_pages(mgp, &mgp->rx_big, mgp->big_bytes, 0); 1232 myri10ge_alloc_rx_pages(mgp, &ss->rx_big, mgp->big_bytes, 0);
1189 1233
1190 return work_done; 1234 return work_done;
1191} 1235}
1192 1236
1193static inline void myri10ge_check_statblock(struct myri10ge_priv *mgp) 1237static inline void myri10ge_check_statblock(struct myri10ge_priv *mgp)
1194{ 1238{
1195 struct mcp_irq_data *stats = mgp->fw_stats; 1239 struct mcp_irq_data *stats = mgp->ss.fw_stats;
1196 1240
1197 if (unlikely(stats->stats_updated)) { 1241 if (unlikely(stats->stats_updated)) {
1198 unsigned link_up = ntohl(stats->link_up); 1242 unsigned link_up = ntohl(stats->link_up);
@@ -1219,9 +1263,9 @@ static inline void myri10ge_check_statblock(struct myri10ge_priv *mgp)
1219 } 1263 }
1220 } 1264 }
1221 if (mgp->rdma_tags_available != 1265 if (mgp->rdma_tags_available !=
1222 ntohl(mgp->fw_stats->rdma_tags_available)) { 1266 ntohl(stats->rdma_tags_available)) {
1223 mgp->rdma_tags_available = 1267 mgp->rdma_tags_available =
1224 ntohl(mgp->fw_stats->rdma_tags_available); 1268 ntohl(stats->rdma_tags_available);
1225 printk(KERN_WARNING "myri10ge: %s: RDMA timed out! " 1269 printk(KERN_WARNING "myri10ge: %s: RDMA timed out! "
1226 "%d tags left\n", mgp->dev->name, 1270 "%d tags left\n", mgp->dev->name,
1227 mgp->rdma_tags_available); 1271 mgp->rdma_tags_available);
@@ -1234,26 +1278,27 @@ static inline void myri10ge_check_statblock(struct myri10ge_priv *mgp)
1234 1278
1235static int myri10ge_poll(struct napi_struct *napi, int budget) 1279static int myri10ge_poll(struct napi_struct *napi, int budget)
1236{ 1280{
1237 struct myri10ge_priv *mgp = 1281 struct myri10ge_slice_state *ss =
1238 container_of(napi, struct myri10ge_priv, napi); 1282 container_of(napi, struct myri10ge_slice_state, napi);
1239 struct net_device *netdev = mgp->dev; 1283 struct net_device *netdev = ss->mgp->dev;
1240 int work_done; 1284 int work_done;
1241 1285
1242 /* process as many rx events as NAPI will allow */ 1286 /* process as many rx events as NAPI will allow */
1243 work_done = myri10ge_clean_rx_done(mgp, budget); 1287 work_done = myri10ge_clean_rx_done(ss, budget);
1244 1288
1245 if (work_done < budget) { 1289 if (work_done < budget) {
1246 netif_rx_complete(netdev, napi); 1290 netif_rx_complete(netdev, napi);
1247 put_be32(htonl(3), mgp->irq_claim); 1291 put_be32(htonl(3), ss->irq_claim);
1248 } 1292 }
1249 return work_done; 1293 return work_done;
1250} 1294}
1251 1295
1252static irqreturn_t myri10ge_intr(int irq, void *arg) 1296static irqreturn_t myri10ge_intr(int irq, void *arg)
1253{ 1297{
1254 struct myri10ge_priv *mgp = arg; 1298 struct myri10ge_slice_state *ss = arg;
1255 struct mcp_irq_data *stats = mgp->fw_stats; 1299 struct myri10ge_priv *mgp = ss->mgp;
1256 struct myri10ge_tx_buf *tx = &mgp->tx; 1300 struct mcp_irq_data *stats = ss->fw_stats;
1301 struct myri10ge_tx_buf *tx = &ss->tx;
1257 u32 send_done_count; 1302 u32 send_done_count;
1258 int i; 1303 int i;
1259 1304
@@ -1264,7 +1309,7 @@ static irqreturn_t myri10ge_intr(int irq, void *arg)
1264 /* low bit indicates receives are present, so schedule 1309 /* low bit indicates receives are present, so schedule
1265 * napi poll handler */ 1310 * napi poll handler */
1266 if (stats->valid & 1) 1311 if (stats->valid & 1)
1267 netif_rx_schedule(mgp->dev, &mgp->napi); 1312 netif_rx_schedule(ss->dev, &ss->napi);
1268 1313
1269 if (!mgp->msi_enabled) { 1314 if (!mgp->msi_enabled) {
1270 put_be32(0, mgp->irq_deassert); 1315 put_be32(0, mgp->irq_deassert);
@@ -1281,7 +1326,7 @@ static irqreturn_t myri10ge_intr(int irq, void *arg)
1281 /* check for transmit completes and receives */ 1326 /* check for transmit completes and receives */
1282 send_done_count = ntohl(stats->send_done_count); 1327 send_done_count = ntohl(stats->send_done_count);
1283 if (send_done_count != tx->pkt_done) 1328 if (send_done_count != tx->pkt_done)
1284 myri10ge_tx_done(mgp, (int)send_done_count); 1329 myri10ge_tx_done(ss, (int)send_done_count);
1285 if (unlikely(i > myri10ge_max_irq_loops)) { 1330 if (unlikely(i > myri10ge_max_irq_loops)) {
1286 printk(KERN_WARNING "myri10ge: %s: irq stuck?\n", 1331 printk(KERN_WARNING "myri10ge: %s: irq stuck?\n",
1287 mgp->dev->name); 1332 mgp->dev->name);
@@ -1296,16 +1341,46 @@ static irqreturn_t myri10ge_intr(int irq, void *arg)
1296 1341
1297 myri10ge_check_statblock(mgp); 1342 myri10ge_check_statblock(mgp);
1298 1343
1299 put_be32(htonl(3), mgp->irq_claim + 1); 1344 put_be32(htonl(3), ss->irq_claim + 1);
1300 return (IRQ_HANDLED); 1345 return (IRQ_HANDLED);
1301} 1346}
1302 1347
1303static int 1348static int
1304myri10ge_get_settings(struct net_device *netdev, struct ethtool_cmd *cmd) 1349myri10ge_get_settings(struct net_device *netdev, struct ethtool_cmd *cmd)
1305{ 1350{
1351 struct myri10ge_priv *mgp = netdev_priv(netdev);
1352 char *ptr;
1353 int i;
1354
1306 cmd->autoneg = AUTONEG_DISABLE; 1355 cmd->autoneg = AUTONEG_DISABLE;
1307 cmd->speed = SPEED_10000; 1356 cmd->speed = SPEED_10000;
1308 cmd->duplex = DUPLEX_FULL; 1357 cmd->duplex = DUPLEX_FULL;
1358
1359 /*
1360 * parse the product code to deterimine the interface type
1361 * (CX4, XFP, Quad Ribbon Fiber) by looking at the character
1362 * after the 3rd dash in the driver's cached copy of the
1363 * EEPROM's product code string.
1364 */
1365 ptr = mgp->product_code_string;
1366 if (ptr == NULL) {
1367 printk(KERN_ERR "myri10ge: %s: Missing product code\n",
1368 netdev->name);
1369 return 0;
1370 }
1371 for (i = 0; i < 3; i++, ptr++) {
1372 ptr = strchr(ptr, '-');
1373 if (ptr == NULL) {
1374 printk(KERN_ERR "myri10ge: %s: Invalid product "
1375 "code %s\n", netdev->name,
1376 mgp->product_code_string);
1377 return 0;
1378 }
1379 }
1380 if (*ptr == 'R' || *ptr == 'Q') {
1381 /* We've found either an XFP or quad ribbon fiber */
1382 cmd->port = PORT_FIBRE;
1383 }
1309 return 0; 1384 return 0;
1310} 1385}
1311 1386
@@ -1324,6 +1399,7 @@ static int
1324myri10ge_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *coal) 1399myri10ge_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *coal)
1325{ 1400{
1326 struct myri10ge_priv *mgp = netdev_priv(netdev); 1401 struct myri10ge_priv *mgp = netdev_priv(netdev);
1402
1327 coal->rx_coalesce_usecs = mgp->intr_coal_delay; 1403 coal->rx_coalesce_usecs = mgp->intr_coal_delay;
1328 return 0; 1404 return 0;
1329} 1405}
@@ -1370,10 +1446,10 @@ myri10ge_get_ringparam(struct net_device *netdev,
1370{ 1446{
1371 struct myri10ge_priv *mgp = netdev_priv(netdev); 1447 struct myri10ge_priv *mgp = netdev_priv(netdev);
1372 1448
1373 ring->rx_mini_max_pending = mgp->rx_small.mask + 1; 1449 ring->rx_mini_max_pending = mgp->ss.rx_small.mask + 1;
1374 ring->rx_max_pending = mgp->rx_big.mask + 1; 1450 ring->rx_max_pending = mgp->ss.rx_big.mask + 1;
1375 ring->rx_jumbo_max_pending = 0; 1451 ring->rx_jumbo_max_pending = 0;
1376 ring->tx_max_pending = mgp->rx_small.mask + 1; 1452 ring->tx_max_pending = mgp->ss.rx_small.mask + 1;
1377 ring->rx_mini_pending = ring->rx_mini_max_pending; 1453 ring->rx_mini_pending = ring->rx_mini_max_pending;
1378 ring->rx_pending = ring->rx_max_pending; 1454 ring->rx_pending = ring->rx_max_pending;
1379 ring->rx_jumbo_pending = ring->rx_jumbo_max_pending; 1455 ring->rx_jumbo_pending = ring->rx_jumbo_max_pending;
@@ -1383,6 +1459,7 @@ myri10ge_get_ringparam(struct net_device *netdev,
1383static u32 myri10ge_get_rx_csum(struct net_device *netdev) 1459static u32 myri10ge_get_rx_csum(struct net_device *netdev)
1384{ 1460{
1385 struct myri10ge_priv *mgp = netdev_priv(netdev); 1461 struct myri10ge_priv *mgp = netdev_priv(netdev);
1462
1386 if (mgp->csum_flag) 1463 if (mgp->csum_flag)
1387 return 1; 1464 return 1;
1388 else 1465 else
@@ -1392,6 +1469,7 @@ static u32 myri10ge_get_rx_csum(struct net_device *netdev)
1392static int myri10ge_set_rx_csum(struct net_device *netdev, u32 csum_enabled) 1469static int myri10ge_set_rx_csum(struct net_device *netdev, u32 csum_enabled)
1393{ 1470{
1394 struct myri10ge_priv *mgp = netdev_priv(netdev); 1471 struct myri10ge_priv *mgp = netdev_priv(netdev);
1472
1395 if (csum_enabled) 1473 if (csum_enabled)
1396 mgp->csum_flag = MXGEFW_FLAGS_CKSUM; 1474 mgp->csum_flag = MXGEFW_FLAGS_CKSUM;
1397 else 1475 else
@@ -1411,7 +1489,7 @@ static int myri10ge_set_tso(struct net_device *netdev, u32 tso_enabled)
1411 return 0; 1489 return 0;
1412} 1490}
1413 1491
1414static const char myri10ge_gstrings_stats[][ETH_GSTRING_LEN] = { 1492static const char myri10ge_gstrings_main_stats[][ETH_GSTRING_LEN] = {
1415 "rx_packets", "tx_packets", "rx_bytes", "tx_bytes", "rx_errors", 1493 "rx_packets", "tx_packets", "rx_bytes", "tx_bytes", "rx_errors",
1416 "tx_errors", "rx_dropped", "tx_dropped", "multicast", "collisions", 1494 "tx_errors", "rx_dropped", "tx_dropped", "multicast", "collisions",
1417 "rx_length_errors", "rx_over_errors", "rx_crc_errors", 1495 "rx_length_errors", "rx_over_errors", "rx_crc_errors",
@@ -1421,28 +1499,39 @@ static const char myri10ge_gstrings_stats[][ETH_GSTRING_LEN] = {
1421 /* device-specific stats */ 1499 /* device-specific stats */
1422 "tx_boundary", "WC", "irq", "MSI", 1500 "tx_boundary", "WC", "irq", "MSI",
1423 "read_dma_bw_MBs", "write_dma_bw_MBs", "read_write_dma_bw_MBs", 1501 "read_dma_bw_MBs", "write_dma_bw_MBs", "read_write_dma_bw_MBs",
1424 "serial_number", "tx_pkt_start", "tx_pkt_done", 1502 "serial_number", "watchdog_resets",
1425 "tx_req", "tx_done", "rx_small_cnt", "rx_big_cnt",
1426 "wake_queue", "stop_queue", "watchdog_resets", "tx_linearized",
1427 "link_changes", "link_up", "dropped_link_overflow", 1503 "link_changes", "link_up", "dropped_link_overflow",
1428 "dropped_link_error_or_filtered", 1504 "dropped_link_error_or_filtered",
1429 "dropped_pause", "dropped_bad_phy", "dropped_bad_crc32", 1505 "dropped_pause", "dropped_bad_phy", "dropped_bad_crc32",
1430 "dropped_unicast_filtered", "dropped_multicast_filtered", 1506 "dropped_unicast_filtered", "dropped_multicast_filtered",
1431 "dropped_runt", "dropped_overrun", "dropped_no_small_buffer", 1507 "dropped_runt", "dropped_overrun", "dropped_no_small_buffer",
1432 "dropped_no_big_buffer", "LRO aggregated", "LRO flushed", 1508 "dropped_no_big_buffer"
1509};
1510
1511static const char myri10ge_gstrings_slice_stats[][ETH_GSTRING_LEN] = {
1512 "----------- slice ---------",
1513 "tx_pkt_start", "tx_pkt_done", "tx_req", "tx_done",
1514 "rx_small_cnt", "rx_big_cnt",
1515 "wake_queue", "stop_queue", "tx_linearized", "LRO aggregated",
1516 "LRO flushed",
1433 "LRO avg aggr", "LRO no_desc" 1517 "LRO avg aggr", "LRO no_desc"
1434}; 1518};
1435 1519
1436#define MYRI10GE_NET_STATS_LEN 21 1520#define MYRI10GE_NET_STATS_LEN 21
1437#define MYRI10GE_STATS_LEN ARRAY_SIZE(myri10ge_gstrings_stats) 1521#define MYRI10GE_MAIN_STATS_LEN ARRAY_SIZE(myri10ge_gstrings_main_stats)
1522#define MYRI10GE_SLICE_STATS_LEN ARRAY_SIZE(myri10ge_gstrings_slice_stats)
1438 1523
1439static void 1524static void
1440myri10ge_get_strings(struct net_device *netdev, u32 stringset, u8 * data) 1525myri10ge_get_strings(struct net_device *netdev, u32 stringset, u8 * data)
1441{ 1526{
1442 switch (stringset) { 1527 switch (stringset) {
1443 case ETH_SS_STATS: 1528 case ETH_SS_STATS:
1444 memcpy(data, *myri10ge_gstrings_stats, 1529 memcpy(data, *myri10ge_gstrings_main_stats,
1445 sizeof(myri10ge_gstrings_stats)); 1530 sizeof(myri10ge_gstrings_main_stats));
1531 data += sizeof(myri10ge_gstrings_main_stats);
1532 memcpy(data, *myri10ge_gstrings_slice_stats,
1533 sizeof(myri10ge_gstrings_slice_stats));
1534 data += sizeof(myri10ge_gstrings_slice_stats);
1446 break; 1535 break;
1447 } 1536 }
1448} 1537}
@@ -1451,7 +1540,7 @@ static int myri10ge_get_sset_count(struct net_device *netdev, int sset)
1451{ 1540{
1452 switch (sset) { 1541 switch (sset) {
1453 case ETH_SS_STATS: 1542 case ETH_SS_STATS:
1454 return MYRI10GE_STATS_LEN; 1543 return MYRI10GE_MAIN_STATS_LEN + MYRI10GE_SLICE_STATS_LEN;
1455 default: 1544 default:
1456 return -EOPNOTSUPP; 1545 return -EOPNOTSUPP;
1457 } 1546 }
@@ -1462,12 +1551,13 @@ myri10ge_get_ethtool_stats(struct net_device *netdev,
1462 struct ethtool_stats *stats, u64 * data) 1551 struct ethtool_stats *stats, u64 * data)
1463{ 1552{
1464 struct myri10ge_priv *mgp = netdev_priv(netdev); 1553 struct myri10ge_priv *mgp = netdev_priv(netdev);
1554 struct myri10ge_slice_state *ss;
1465 int i; 1555 int i;
1466 1556
1467 for (i = 0; i < MYRI10GE_NET_STATS_LEN; i++) 1557 for (i = 0; i < MYRI10GE_NET_STATS_LEN; i++)
1468 data[i] = ((unsigned long *)&mgp->stats)[i]; 1558 data[i] = ((unsigned long *)&mgp->stats)[i];
1469 1559
1470 data[i++] = (unsigned int)mgp->tx.boundary; 1560 data[i++] = (unsigned int)mgp->tx_boundary;
1471 data[i++] = (unsigned int)mgp->wc_enabled; 1561 data[i++] = (unsigned int)mgp->wc_enabled;
1472 data[i++] = (unsigned int)mgp->pdev->irq; 1562 data[i++] = (unsigned int)mgp->pdev->irq;
1473 data[i++] = (unsigned int)mgp->msi_enabled; 1563 data[i++] = (unsigned int)mgp->msi_enabled;
@@ -1475,40 +1565,44 @@ myri10ge_get_ethtool_stats(struct net_device *netdev,
1475 data[i++] = (unsigned int)mgp->write_dma; 1565 data[i++] = (unsigned int)mgp->write_dma;
1476 data[i++] = (unsigned int)mgp->read_write_dma; 1566 data[i++] = (unsigned int)mgp->read_write_dma;
1477 data[i++] = (unsigned int)mgp->serial_number; 1567 data[i++] = (unsigned int)mgp->serial_number;
1478 data[i++] = (unsigned int)mgp->tx.pkt_start;
1479 data[i++] = (unsigned int)mgp->tx.pkt_done;
1480 data[i++] = (unsigned int)mgp->tx.req;
1481 data[i++] = (unsigned int)mgp->tx.done;
1482 data[i++] = (unsigned int)mgp->rx_small.cnt;
1483 data[i++] = (unsigned int)mgp->rx_big.cnt;
1484 data[i++] = (unsigned int)mgp->wake_queue;
1485 data[i++] = (unsigned int)mgp->stop_queue;
1486 data[i++] = (unsigned int)mgp->watchdog_resets; 1568 data[i++] = (unsigned int)mgp->watchdog_resets;
1487 data[i++] = (unsigned int)mgp->tx_linearized;
1488 data[i++] = (unsigned int)mgp->link_changes; 1569 data[i++] = (unsigned int)mgp->link_changes;
1489 data[i++] = (unsigned int)ntohl(mgp->fw_stats->link_up); 1570
1490 data[i++] = (unsigned int)ntohl(mgp->fw_stats->dropped_link_overflow); 1571 /* firmware stats are useful only in the first slice */
1491 data[i++] = 1572 ss = &mgp->ss;
1492 (unsigned int)ntohl(mgp->fw_stats->dropped_link_error_or_filtered); 1573 data[i++] = (unsigned int)ntohl(ss->fw_stats->link_up);
1493 data[i++] = (unsigned int)ntohl(mgp->fw_stats->dropped_pause); 1574 data[i++] = (unsigned int)ntohl(ss->fw_stats->dropped_link_overflow);
1494 data[i++] = (unsigned int)ntohl(mgp->fw_stats->dropped_bad_phy);
1495 data[i++] = (unsigned int)ntohl(mgp->fw_stats->dropped_bad_crc32);
1496 data[i++] = 1575 data[i++] =
1497 (unsigned int)ntohl(mgp->fw_stats->dropped_unicast_filtered); 1576 (unsigned int)ntohl(ss->fw_stats->dropped_link_error_or_filtered);
1577 data[i++] = (unsigned int)ntohl(ss->fw_stats->dropped_pause);
1578 data[i++] = (unsigned int)ntohl(ss->fw_stats->dropped_bad_phy);
1579 data[i++] = (unsigned int)ntohl(ss->fw_stats->dropped_bad_crc32);
1580 data[i++] = (unsigned int)ntohl(ss->fw_stats->dropped_unicast_filtered);
1498 data[i++] = 1581 data[i++] =
1499 (unsigned int)ntohl(mgp->fw_stats->dropped_multicast_filtered); 1582 (unsigned int)ntohl(ss->fw_stats->dropped_multicast_filtered);
1500 data[i++] = (unsigned int)ntohl(mgp->fw_stats->dropped_runt); 1583 data[i++] = (unsigned int)ntohl(ss->fw_stats->dropped_runt);
1501 data[i++] = (unsigned int)ntohl(mgp->fw_stats->dropped_overrun); 1584 data[i++] = (unsigned int)ntohl(ss->fw_stats->dropped_overrun);
1502 data[i++] = (unsigned int)ntohl(mgp->fw_stats->dropped_no_small_buffer); 1585 data[i++] = (unsigned int)ntohl(ss->fw_stats->dropped_no_small_buffer);
1503 data[i++] = (unsigned int)ntohl(mgp->fw_stats->dropped_no_big_buffer); 1586 data[i++] = (unsigned int)ntohl(ss->fw_stats->dropped_no_big_buffer);
1504 data[i++] = mgp->rx_done.lro_mgr.stats.aggregated; 1587
1505 data[i++] = mgp->rx_done.lro_mgr.stats.flushed; 1588 data[i++] = 0;
1506 if (mgp->rx_done.lro_mgr.stats.flushed) 1589 data[i++] = (unsigned int)ss->tx.pkt_start;
1507 data[i++] = mgp->rx_done.lro_mgr.stats.aggregated / 1590 data[i++] = (unsigned int)ss->tx.pkt_done;
1508 mgp->rx_done.lro_mgr.stats.flushed; 1591 data[i++] = (unsigned int)ss->tx.req;
1592 data[i++] = (unsigned int)ss->tx.done;
1593 data[i++] = (unsigned int)ss->rx_small.cnt;
1594 data[i++] = (unsigned int)ss->rx_big.cnt;
1595 data[i++] = (unsigned int)ss->tx.wake_queue;
1596 data[i++] = (unsigned int)ss->tx.stop_queue;
1597 data[i++] = (unsigned int)ss->tx.linearized;
1598 data[i++] = ss->rx_done.lro_mgr.stats.aggregated;
1599 data[i++] = ss->rx_done.lro_mgr.stats.flushed;
1600 if (ss->rx_done.lro_mgr.stats.flushed)
1601 data[i++] = ss->rx_done.lro_mgr.stats.aggregated /
1602 ss->rx_done.lro_mgr.stats.flushed;
1509 else 1603 else
1510 data[i++] = 0; 1604 data[i++] = 0;
1511 data[i++] = mgp->rx_done.lro_mgr.stats.no_desc; 1605 data[i++] = ss->rx_done.lro_mgr.stats.no_desc;
1512} 1606}
1513 1607
1514static void myri10ge_set_msglevel(struct net_device *netdev, u32 value) 1608static void myri10ge_set_msglevel(struct net_device *netdev, u32 value)
@@ -1544,19 +1638,17 @@ static const struct ethtool_ops myri10ge_ethtool_ops = {
1544 .get_msglevel = myri10ge_get_msglevel 1638 .get_msglevel = myri10ge_get_msglevel
1545}; 1639};
1546 1640
1547static int myri10ge_allocate_rings(struct net_device *dev) 1641static int myri10ge_allocate_rings(struct myri10ge_slice_state *ss)
1548{ 1642{
1549 struct myri10ge_priv *mgp; 1643 struct myri10ge_priv *mgp = ss->mgp;
1550 struct myri10ge_cmd cmd; 1644 struct myri10ge_cmd cmd;
1645 struct net_device *dev = mgp->dev;
1551 int tx_ring_size, rx_ring_size; 1646 int tx_ring_size, rx_ring_size;
1552 int tx_ring_entries, rx_ring_entries; 1647 int tx_ring_entries, rx_ring_entries;
1553 int i, status; 1648 int i, status;
1554 size_t bytes; 1649 size_t bytes;
1555 1650
1556 mgp = netdev_priv(dev);
1557
1558 /* get ring sizes */ 1651 /* get ring sizes */
1559
1560 status = myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_SEND_RING_SIZE, &cmd, 0); 1652 status = myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_SEND_RING_SIZE, &cmd, 0);
1561 tx_ring_size = cmd.data0; 1653 tx_ring_size = cmd.data0;
1562 status |= myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_RX_RING_SIZE, &cmd, 0); 1654 status |= myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_RX_RING_SIZE, &cmd, 0);
@@ -1566,144 +1658,142 @@ static int myri10ge_allocate_rings(struct net_device *dev)
1566 1658
1567 tx_ring_entries = tx_ring_size / sizeof(struct mcp_kreq_ether_send); 1659 tx_ring_entries = tx_ring_size / sizeof(struct mcp_kreq_ether_send);
1568 rx_ring_entries = rx_ring_size / sizeof(struct mcp_dma_addr); 1660 rx_ring_entries = rx_ring_size / sizeof(struct mcp_dma_addr);
1569 mgp->tx.mask = tx_ring_entries - 1; 1661 ss->tx.mask = tx_ring_entries - 1;
1570 mgp->rx_small.mask = mgp->rx_big.mask = rx_ring_entries - 1; 1662 ss->rx_small.mask = ss->rx_big.mask = rx_ring_entries - 1;
1571 1663
1572 status = -ENOMEM; 1664 status = -ENOMEM;
1573 1665
1574 /* allocate the host shadow rings */ 1666 /* allocate the host shadow rings */
1575 1667
1576 bytes = 8 + (MYRI10GE_MAX_SEND_DESC_TSO + 4) 1668 bytes = 8 + (MYRI10GE_MAX_SEND_DESC_TSO + 4)
1577 * sizeof(*mgp->tx.req_list); 1669 * sizeof(*ss->tx.req_list);
1578 mgp->tx.req_bytes = kzalloc(bytes, GFP_KERNEL); 1670 ss->tx.req_bytes = kzalloc(bytes, GFP_KERNEL);
1579 if (mgp->tx.req_bytes == NULL) 1671 if (ss->tx.req_bytes == NULL)
1580 goto abort_with_nothing; 1672 goto abort_with_nothing;
1581 1673
1582 /* ensure req_list entries are aligned to 8 bytes */ 1674 /* ensure req_list entries are aligned to 8 bytes */
1583 mgp->tx.req_list = (struct mcp_kreq_ether_send *) 1675 ss->tx.req_list = (struct mcp_kreq_ether_send *)
1584 ALIGN((unsigned long)mgp->tx.req_bytes, 8); 1676 ALIGN((unsigned long)ss->tx.req_bytes, 8);
1585 1677
1586 bytes = rx_ring_entries * sizeof(*mgp->rx_small.shadow); 1678 bytes = rx_ring_entries * sizeof(*ss->rx_small.shadow);
1587 mgp->rx_small.shadow = kzalloc(bytes, GFP_KERNEL); 1679 ss->rx_small.shadow = kzalloc(bytes, GFP_KERNEL);
1588 if (mgp->rx_small.shadow == NULL) 1680 if (ss->rx_small.shadow == NULL)
1589 goto abort_with_tx_req_bytes; 1681 goto abort_with_tx_req_bytes;
1590 1682
1591 bytes = rx_ring_entries * sizeof(*mgp->rx_big.shadow); 1683 bytes = rx_ring_entries * sizeof(*ss->rx_big.shadow);
1592 mgp->rx_big.shadow = kzalloc(bytes, GFP_KERNEL); 1684 ss->rx_big.shadow = kzalloc(bytes, GFP_KERNEL);
1593 if (mgp->rx_big.shadow == NULL) 1685 if (ss->rx_big.shadow == NULL)
1594 goto abort_with_rx_small_shadow; 1686 goto abort_with_rx_small_shadow;
1595 1687
1596 /* allocate the host info rings */ 1688 /* allocate the host info rings */
1597 1689
1598 bytes = tx_ring_entries * sizeof(*mgp->tx.info); 1690 bytes = tx_ring_entries * sizeof(*ss->tx.info);
1599 mgp->tx.info = kzalloc(bytes, GFP_KERNEL); 1691 ss->tx.info = kzalloc(bytes, GFP_KERNEL);
1600 if (mgp->tx.info == NULL) 1692 if (ss->tx.info == NULL)
1601 goto abort_with_rx_big_shadow; 1693 goto abort_with_rx_big_shadow;
1602 1694
1603 bytes = rx_ring_entries * sizeof(*mgp->rx_small.info); 1695 bytes = rx_ring_entries * sizeof(*ss->rx_small.info);
1604 mgp->rx_small.info = kzalloc(bytes, GFP_KERNEL); 1696 ss->rx_small.info = kzalloc(bytes, GFP_KERNEL);
1605 if (mgp->rx_small.info == NULL) 1697 if (ss->rx_small.info == NULL)
1606 goto abort_with_tx_info; 1698 goto abort_with_tx_info;
1607 1699
1608 bytes = rx_ring_entries * sizeof(*mgp->rx_big.info); 1700 bytes = rx_ring_entries * sizeof(*ss->rx_big.info);
1609 mgp->rx_big.info = kzalloc(bytes, GFP_KERNEL); 1701 ss->rx_big.info = kzalloc(bytes, GFP_KERNEL);
1610 if (mgp->rx_big.info == NULL) 1702 if (ss->rx_big.info == NULL)
1611 goto abort_with_rx_small_info; 1703 goto abort_with_rx_small_info;
1612 1704
1613 /* Fill the receive rings */ 1705 /* Fill the receive rings */
1614 mgp->rx_big.cnt = 0; 1706 ss->rx_big.cnt = 0;
1615 mgp->rx_small.cnt = 0; 1707 ss->rx_small.cnt = 0;
1616 mgp->rx_big.fill_cnt = 0; 1708 ss->rx_big.fill_cnt = 0;
1617 mgp->rx_small.fill_cnt = 0; 1709 ss->rx_small.fill_cnt = 0;
1618 mgp->rx_small.page_offset = MYRI10GE_ALLOC_SIZE; 1710 ss->rx_small.page_offset = MYRI10GE_ALLOC_SIZE;
1619 mgp->rx_big.page_offset = MYRI10GE_ALLOC_SIZE; 1711 ss->rx_big.page_offset = MYRI10GE_ALLOC_SIZE;
1620 mgp->rx_small.watchdog_needed = 0; 1712 ss->rx_small.watchdog_needed = 0;
1621 mgp->rx_big.watchdog_needed = 0; 1713 ss->rx_big.watchdog_needed = 0;
1622 myri10ge_alloc_rx_pages(mgp, &mgp->rx_small, 1714 myri10ge_alloc_rx_pages(mgp, &ss->rx_small,
1623 mgp->small_bytes + MXGEFW_PAD, 0); 1715 mgp->small_bytes + MXGEFW_PAD, 0);
1624 1716
1625 if (mgp->rx_small.fill_cnt < mgp->rx_small.mask + 1) { 1717 if (ss->rx_small.fill_cnt < ss->rx_small.mask + 1) {
1626 printk(KERN_ERR "myri10ge: %s: alloced only %d small bufs\n", 1718 printk(KERN_ERR "myri10ge: %s: alloced only %d small bufs\n",
1627 dev->name, mgp->rx_small.fill_cnt); 1719 dev->name, ss->rx_small.fill_cnt);
1628 goto abort_with_rx_small_ring; 1720 goto abort_with_rx_small_ring;
1629 } 1721 }
1630 1722
1631 myri10ge_alloc_rx_pages(mgp, &mgp->rx_big, mgp->big_bytes, 0); 1723 myri10ge_alloc_rx_pages(mgp, &ss->rx_big, mgp->big_bytes, 0);
1632 if (mgp->rx_big.fill_cnt < mgp->rx_big.mask + 1) { 1724 if (ss->rx_big.fill_cnt < ss->rx_big.mask + 1) {
1633 printk(KERN_ERR "myri10ge: %s: alloced only %d big bufs\n", 1725 printk(KERN_ERR "myri10ge: %s: alloced only %d big bufs\n",
1634 dev->name, mgp->rx_big.fill_cnt); 1726 dev->name, ss->rx_big.fill_cnt);
1635 goto abort_with_rx_big_ring; 1727 goto abort_with_rx_big_ring;
1636 } 1728 }
1637 1729
1638 return 0; 1730 return 0;
1639 1731
1640abort_with_rx_big_ring: 1732abort_with_rx_big_ring:
1641 for (i = mgp->rx_big.cnt; i < mgp->rx_big.fill_cnt; i++) { 1733 for (i = ss->rx_big.cnt; i < ss->rx_big.fill_cnt; i++) {
1642 int idx = i & mgp->rx_big.mask; 1734 int idx = i & ss->rx_big.mask;
1643 myri10ge_unmap_rx_page(mgp->pdev, &mgp->rx_big.info[idx], 1735 myri10ge_unmap_rx_page(mgp->pdev, &ss->rx_big.info[idx],
1644 mgp->big_bytes); 1736 mgp->big_bytes);
1645 put_page(mgp->rx_big.info[idx].page); 1737 put_page(ss->rx_big.info[idx].page);
1646 } 1738 }
1647 1739
1648abort_with_rx_small_ring: 1740abort_with_rx_small_ring:
1649 for (i = mgp->rx_small.cnt; i < mgp->rx_small.fill_cnt; i++) { 1741 for (i = ss->rx_small.cnt; i < ss->rx_small.fill_cnt; i++) {
1650 int idx = i & mgp->rx_small.mask; 1742 int idx = i & ss->rx_small.mask;
1651 myri10ge_unmap_rx_page(mgp->pdev, &mgp->rx_small.info[idx], 1743 myri10ge_unmap_rx_page(mgp->pdev, &ss->rx_small.info[idx],
1652 mgp->small_bytes + MXGEFW_PAD); 1744 mgp->small_bytes + MXGEFW_PAD);
1653 put_page(mgp->rx_small.info[idx].page); 1745 put_page(ss->rx_small.info[idx].page);
1654 } 1746 }
1655 1747
1656 kfree(mgp->rx_big.info); 1748 kfree(ss->rx_big.info);
1657 1749
1658abort_with_rx_small_info: 1750abort_with_rx_small_info:
1659 kfree(mgp->rx_small.info); 1751 kfree(ss->rx_small.info);
1660 1752
1661abort_with_tx_info: 1753abort_with_tx_info:
1662 kfree(mgp->tx.info); 1754 kfree(ss->tx.info);
1663 1755
1664abort_with_rx_big_shadow: 1756abort_with_rx_big_shadow:
1665 kfree(mgp->rx_big.shadow); 1757 kfree(ss->rx_big.shadow);
1666 1758
1667abort_with_rx_small_shadow: 1759abort_with_rx_small_shadow:
1668 kfree(mgp->rx_small.shadow); 1760 kfree(ss->rx_small.shadow);
1669 1761
1670abort_with_tx_req_bytes: 1762abort_with_tx_req_bytes:
1671 kfree(mgp->tx.req_bytes); 1763 kfree(ss->tx.req_bytes);
1672 mgp->tx.req_bytes = NULL; 1764 ss->tx.req_bytes = NULL;
1673 mgp->tx.req_list = NULL; 1765 ss->tx.req_list = NULL;
1674 1766
1675abort_with_nothing: 1767abort_with_nothing:
1676 return status; 1768 return status;
1677} 1769}
1678 1770
1679static void myri10ge_free_rings(struct net_device *dev) 1771static void myri10ge_free_rings(struct myri10ge_slice_state *ss)
1680{ 1772{
1681 struct myri10ge_priv *mgp; 1773 struct myri10ge_priv *mgp = ss->mgp;
1682 struct sk_buff *skb; 1774 struct sk_buff *skb;
1683 struct myri10ge_tx_buf *tx; 1775 struct myri10ge_tx_buf *tx;
1684 int i, len, idx; 1776 int i, len, idx;
1685 1777
1686 mgp = netdev_priv(dev); 1778 for (i = ss->rx_big.cnt; i < ss->rx_big.fill_cnt; i++) {
1687 1779 idx = i & ss->rx_big.mask;
1688 for (i = mgp->rx_big.cnt; i < mgp->rx_big.fill_cnt; i++) { 1780 if (i == ss->rx_big.fill_cnt - 1)
1689 idx = i & mgp->rx_big.mask; 1781 ss->rx_big.info[idx].page_offset = MYRI10GE_ALLOC_SIZE;
1690 if (i == mgp->rx_big.fill_cnt - 1) 1782 myri10ge_unmap_rx_page(mgp->pdev, &ss->rx_big.info[idx],
1691 mgp->rx_big.info[idx].page_offset = MYRI10GE_ALLOC_SIZE;
1692 myri10ge_unmap_rx_page(mgp->pdev, &mgp->rx_big.info[idx],
1693 mgp->big_bytes); 1783 mgp->big_bytes);
1694 put_page(mgp->rx_big.info[idx].page); 1784 put_page(ss->rx_big.info[idx].page);
1695 } 1785 }
1696 1786
1697 for (i = mgp->rx_small.cnt; i < mgp->rx_small.fill_cnt; i++) { 1787 for (i = ss->rx_small.cnt; i < ss->rx_small.fill_cnt; i++) {
1698 idx = i & mgp->rx_small.mask; 1788 idx = i & ss->rx_small.mask;
1699 if (i == mgp->rx_small.fill_cnt - 1) 1789 if (i == ss->rx_small.fill_cnt - 1)
1700 mgp->rx_small.info[idx].page_offset = 1790 ss->rx_small.info[idx].page_offset =
1701 MYRI10GE_ALLOC_SIZE; 1791 MYRI10GE_ALLOC_SIZE;
1702 myri10ge_unmap_rx_page(mgp->pdev, &mgp->rx_small.info[idx], 1792 myri10ge_unmap_rx_page(mgp->pdev, &ss->rx_small.info[idx],
1703 mgp->small_bytes + MXGEFW_PAD); 1793 mgp->small_bytes + MXGEFW_PAD);
1704 put_page(mgp->rx_small.info[idx].page); 1794 put_page(ss->rx_small.info[idx].page);
1705 } 1795 }
1706 tx = &mgp->tx; 1796 tx = &ss->tx;
1707 while (tx->done != tx->req) { 1797 while (tx->done != tx->req) {
1708 idx = tx->done & tx->mask; 1798 idx = tx->done & tx->mask;
1709 skb = tx->info[idx].skb; 1799 skb = tx->info[idx].skb;
@@ -1714,7 +1804,7 @@ static void myri10ge_free_rings(struct net_device *dev)
1714 len = pci_unmap_len(&tx->info[idx], len); 1804 len = pci_unmap_len(&tx->info[idx], len);
1715 pci_unmap_len_set(&tx->info[idx], len, 0); 1805 pci_unmap_len_set(&tx->info[idx], len, 0);
1716 if (skb) { 1806 if (skb) {
1717 mgp->stats.tx_dropped++; 1807 ss->stats.tx_dropped++;
1718 dev_kfree_skb_any(skb); 1808 dev_kfree_skb_any(skb);
1719 if (len) 1809 if (len)
1720 pci_unmap_single(mgp->pdev, 1810 pci_unmap_single(mgp->pdev,
@@ -1729,19 +1819,19 @@ static void myri10ge_free_rings(struct net_device *dev)
1729 PCI_DMA_TODEVICE); 1819 PCI_DMA_TODEVICE);
1730 } 1820 }
1731 } 1821 }
1732 kfree(mgp->rx_big.info); 1822 kfree(ss->rx_big.info);
1733 1823
1734 kfree(mgp->rx_small.info); 1824 kfree(ss->rx_small.info);
1735 1825
1736 kfree(mgp->tx.info); 1826 kfree(ss->tx.info);
1737 1827
1738 kfree(mgp->rx_big.shadow); 1828 kfree(ss->rx_big.shadow);
1739 1829
1740 kfree(mgp->rx_small.shadow); 1830 kfree(ss->rx_small.shadow);
1741 1831
1742 kfree(mgp->tx.req_bytes); 1832 kfree(ss->tx.req_bytes);
1743 mgp->tx.req_bytes = NULL; 1833 ss->tx.req_bytes = NULL;
1744 mgp->tx.req_list = NULL; 1834 ss->tx.req_list = NULL;
1745} 1835}
1746 1836
1747static int myri10ge_request_irq(struct myri10ge_priv *mgp) 1837static int myri10ge_request_irq(struct myri10ge_priv *mgp)
@@ -1840,13 +1930,11 @@ myri10ge_get_frag_header(struct skb_frag_struct *frag, void **mac_hdr,
1840 1930
1841static int myri10ge_open(struct net_device *dev) 1931static int myri10ge_open(struct net_device *dev)
1842{ 1932{
1843 struct myri10ge_priv *mgp; 1933 struct myri10ge_priv *mgp = netdev_priv(dev);
1844 struct myri10ge_cmd cmd; 1934 struct myri10ge_cmd cmd;
1845 struct net_lro_mgr *lro_mgr; 1935 struct net_lro_mgr *lro_mgr;
1846 int status, big_pow2; 1936 int status, big_pow2;
1847 1937
1848 mgp = netdev_priv(dev);
1849
1850 if (mgp->running != MYRI10GE_ETH_STOPPED) 1938 if (mgp->running != MYRI10GE_ETH_STOPPED)
1851 return -EBUSY; 1939 return -EBUSY;
1852 1940
@@ -1883,16 +1971,16 @@ static int myri10ge_open(struct net_device *dev)
1883 /* get the lanai pointers to the send and receive rings */ 1971 /* get the lanai pointers to the send and receive rings */
1884 1972
1885 status |= myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_SEND_OFFSET, &cmd, 0); 1973 status |= myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_SEND_OFFSET, &cmd, 0);
1886 mgp->tx.lanai = 1974 mgp->ss.tx.lanai =
1887 (struct mcp_kreq_ether_send __iomem *)(mgp->sram + cmd.data0); 1975 (struct mcp_kreq_ether_send __iomem *)(mgp->sram + cmd.data0);
1888 1976
1889 status |= 1977 status |=
1890 myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_SMALL_RX_OFFSET, &cmd, 0); 1978 myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_SMALL_RX_OFFSET, &cmd, 0);
1891 mgp->rx_small.lanai = 1979 mgp->ss.rx_small.lanai =
1892 (struct mcp_kreq_ether_recv __iomem *)(mgp->sram + cmd.data0); 1980 (struct mcp_kreq_ether_recv __iomem *)(mgp->sram + cmd.data0);
1893 1981
1894 status |= myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_BIG_RX_OFFSET, &cmd, 0); 1982 status |= myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_BIG_RX_OFFSET, &cmd, 0);
1895 mgp->rx_big.lanai = 1983 mgp->ss.rx_big.lanai =
1896 (struct mcp_kreq_ether_recv __iomem *)(mgp->sram + cmd.data0); 1984 (struct mcp_kreq_ether_recv __iomem *)(mgp->sram + cmd.data0);
1897 1985
1898 if (status != 0) { 1986 if (status != 0) {
@@ -1904,15 +1992,15 @@ static int myri10ge_open(struct net_device *dev)
1904 } 1992 }
1905 1993
1906 if (myri10ge_wcfifo && mgp->wc_enabled) { 1994 if (myri10ge_wcfifo && mgp->wc_enabled) {
1907 mgp->tx.wc_fifo = (u8 __iomem *) mgp->sram + MXGEFW_ETH_SEND_4; 1995 mgp->ss.tx.wc_fifo = (u8 __iomem *) mgp->sram + MXGEFW_ETH_SEND_4;
1908 mgp->rx_small.wc_fifo = 1996 mgp->ss.rx_small.wc_fifo =
1909 (u8 __iomem *) mgp->sram + MXGEFW_ETH_RECV_SMALL; 1997 (u8 __iomem *) mgp->sram + MXGEFW_ETH_RECV_SMALL;
1910 mgp->rx_big.wc_fifo = 1998 mgp->ss.rx_big.wc_fifo =
1911 (u8 __iomem *) mgp->sram + MXGEFW_ETH_RECV_BIG; 1999 (u8 __iomem *) mgp->sram + MXGEFW_ETH_RECV_BIG;
1912 } else { 2000 } else {
1913 mgp->tx.wc_fifo = NULL; 2001 mgp->ss.tx.wc_fifo = NULL;
1914 mgp->rx_small.wc_fifo = NULL; 2002 mgp->ss.rx_small.wc_fifo = NULL;
1915 mgp->rx_big.wc_fifo = NULL; 2003 mgp->ss.rx_big.wc_fifo = NULL;
1916 } 2004 }
1917 2005
1918 /* Firmware needs the big buff size as a power of 2. Lie and 2006 /* Firmware needs the big buff size as a power of 2. Lie and
@@ -1929,7 +2017,7 @@ static int myri10ge_open(struct net_device *dev)
1929 mgp->big_bytes = big_pow2; 2017 mgp->big_bytes = big_pow2;
1930 } 2018 }
1931 2019
1932 status = myri10ge_allocate_rings(dev); 2020 status = myri10ge_allocate_rings(&mgp->ss);
1933 if (status != 0) 2021 if (status != 0)
1934 goto abort_with_irq; 2022 goto abort_with_irq;
1935 2023
@@ -1948,12 +2036,12 @@ static int myri10ge_open(struct net_device *dev)
1948 goto abort_with_rings; 2036 goto abort_with_rings;
1949 } 2037 }
1950 2038
1951 cmd.data0 = MYRI10GE_LOWPART_TO_U32(mgp->fw_stats_bus); 2039 cmd.data0 = MYRI10GE_LOWPART_TO_U32(mgp->ss.fw_stats_bus);
1952 cmd.data1 = MYRI10GE_HIGHPART_TO_U32(mgp->fw_stats_bus); 2040 cmd.data1 = MYRI10GE_HIGHPART_TO_U32(mgp->ss.fw_stats_bus);
1953 cmd.data2 = sizeof(struct mcp_irq_data); 2041 cmd.data2 = sizeof(struct mcp_irq_data);
1954 status = myri10ge_send_cmd(mgp, MXGEFW_CMD_SET_STATS_DMA_V2, &cmd, 0); 2042 status = myri10ge_send_cmd(mgp, MXGEFW_CMD_SET_STATS_DMA_V2, &cmd, 0);
1955 if (status == -ENOSYS) { 2043 if (status == -ENOSYS) {
1956 dma_addr_t bus = mgp->fw_stats_bus; 2044 dma_addr_t bus = mgp->ss.fw_stats_bus;
1957 bus += offsetof(struct mcp_irq_data, send_done_count); 2045 bus += offsetof(struct mcp_irq_data, send_done_count);
1958 cmd.data0 = MYRI10GE_LOWPART_TO_U32(bus); 2046 cmd.data0 = MYRI10GE_LOWPART_TO_U32(bus);
1959 cmd.data1 = MYRI10GE_HIGHPART_TO_U32(bus); 2047 cmd.data1 = MYRI10GE_HIGHPART_TO_U32(bus);
@@ -1974,20 +2062,20 @@ static int myri10ge_open(struct net_device *dev)
1974 mgp->link_state = ~0U; 2062 mgp->link_state = ~0U;
1975 mgp->rdma_tags_available = 15; 2063 mgp->rdma_tags_available = 15;
1976 2064
1977 lro_mgr = &mgp->rx_done.lro_mgr; 2065 lro_mgr = &mgp->ss.rx_done.lro_mgr;
1978 lro_mgr->dev = dev; 2066 lro_mgr->dev = dev;
1979 lro_mgr->features = LRO_F_NAPI; 2067 lro_mgr->features = LRO_F_NAPI;
1980 lro_mgr->ip_summed = CHECKSUM_COMPLETE; 2068 lro_mgr->ip_summed = CHECKSUM_COMPLETE;
1981 lro_mgr->ip_summed_aggr = CHECKSUM_UNNECESSARY; 2069 lro_mgr->ip_summed_aggr = CHECKSUM_UNNECESSARY;
1982 lro_mgr->max_desc = MYRI10GE_MAX_LRO_DESCRIPTORS; 2070 lro_mgr->max_desc = MYRI10GE_MAX_LRO_DESCRIPTORS;
1983 lro_mgr->lro_arr = mgp->rx_done.lro_desc; 2071 lro_mgr->lro_arr = mgp->ss.rx_done.lro_desc;
1984 lro_mgr->get_frag_header = myri10ge_get_frag_header; 2072 lro_mgr->get_frag_header = myri10ge_get_frag_header;
1985 lro_mgr->max_aggr = myri10ge_lro_max_pkts; 2073 lro_mgr->max_aggr = myri10ge_lro_max_pkts;
1986 lro_mgr->frag_align_pad = 2; 2074 lro_mgr->frag_align_pad = 2;
1987 if (lro_mgr->max_aggr > MAX_SKB_FRAGS) 2075 if (lro_mgr->max_aggr > MAX_SKB_FRAGS)
1988 lro_mgr->max_aggr = MAX_SKB_FRAGS; 2076 lro_mgr->max_aggr = MAX_SKB_FRAGS;
1989 2077
1990 napi_enable(&mgp->napi); /* must happen prior to any irq */ 2078 napi_enable(&mgp->ss.napi); /* must happen prior to any irq */
1991 2079
1992 status = myri10ge_send_cmd(mgp, MXGEFW_CMD_ETHERNET_UP, &cmd, 0); 2080 status = myri10ge_send_cmd(mgp, MXGEFW_CMD_ETHERNET_UP, &cmd, 0);
1993 if (status) { 2081 if (status) {
@@ -1996,8 +2084,8 @@ static int myri10ge_open(struct net_device *dev)
1996 goto abort_with_rings; 2084 goto abort_with_rings;
1997 } 2085 }
1998 2086
1999 mgp->wake_queue = 0; 2087 mgp->ss.tx.wake_queue = 0;
2000 mgp->stop_queue = 0; 2088 mgp->ss.tx.stop_queue = 0;
2001 mgp->running = MYRI10GE_ETH_RUNNING; 2089 mgp->running = MYRI10GE_ETH_RUNNING;
2002 mgp->watchdog_timer.expires = jiffies + myri10ge_watchdog_timeout * HZ; 2090 mgp->watchdog_timer.expires = jiffies + myri10ge_watchdog_timeout * HZ;
2003 add_timer(&mgp->watchdog_timer); 2091 add_timer(&mgp->watchdog_timer);
@@ -2005,7 +2093,7 @@ static int myri10ge_open(struct net_device *dev)
2005 return 0; 2093 return 0;
2006 2094
2007abort_with_rings: 2095abort_with_rings:
2008 myri10ge_free_rings(dev); 2096 myri10ge_free_rings(&mgp->ss);
2009 2097
2010abort_with_irq: 2098abort_with_irq:
2011 myri10ge_free_irq(mgp); 2099 myri10ge_free_irq(mgp);
@@ -2017,21 +2105,19 @@ abort_with_nothing:
2017 2105
2018static int myri10ge_close(struct net_device *dev) 2106static int myri10ge_close(struct net_device *dev)
2019{ 2107{
2020 struct myri10ge_priv *mgp; 2108 struct myri10ge_priv *mgp = netdev_priv(dev);
2021 struct myri10ge_cmd cmd; 2109 struct myri10ge_cmd cmd;
2022 int status, old_down_cnt; 2110 int status, old_down_cnt;
2023 2111
2024 mgp = netdev_priv(dev);
2025
2026 if (mgp->running != MYRI10GE_ETH_RUNNING) 2112 if (mgp->running != MYRI10GE_ETH_RUNNING)
2027 return 0; 2113 return 0;
2028 2114
2029 if (mgp->tx.req_bytes == NULL) 2115 if (mgp->ss.tx.req_bytes == NULL)
2030 return 0; 2116 return 0;
2031 2117
2032 del_timer_sync(&mgp->watchdog_timer); 2118 del_timer_sync(&mgp->watchdog_timer);
2033 mgp->running = MYRI10GE_ETH_STOPPING; 2119 mgp->running = MYRI10GE_ETH_STOPPING;
2034 napi_disable(&mgp->napi); 2120 napi_disable(&mgp->ss.napi);
2035 netif_carrier_off(dev); 2121 netif_carrier_off(dev);
2036 netif_stop_queue(dev); 2122 netif_stop_queue(dev);
2037 old_down_cnt = mgp->down_cnt; 2123 old_down_cnt = mgp->down_cnt;
@@ -2047,7 +2133,7 @@ static int myri10ge_close(struct net_device *dev)
2047 2133
2048 netif_tx_disable(dev); 2134 netif_tx_disable(dev);
2049 myri10ge_free_irq(mgp); 2135 myri10ge_free_irq(mgp);
2050 myri10ge_free_rings(dev); 2136 myri10ge_free_rings(&mgp->ss);
2051 2137
2052 mgp->running = MYRI10GE_ETH_STOPPED; 2138 mgp->running = MYRI10GE_ETH_STOPPED;
2053 return 0; 2139 return 0;
@@ -2143,7 +2229,7 @@ myri10ge_submit_req_wc(struct myri10ge_tx_buf *tx,
2143 2229
2144/* 2230/*
2145 * Transmit a packet. We need to split the packet so that a single 2231 * Transmit a packet. We need to split the packet so that a single
2146 * segment does not cross myri10ge->tx.boundary, so this makes segment 2232 * segment does not cross myri10ge->tx_boundary, so this makes segment
2147 * counting tricky. So rather than try to count segments up front, we 2233 * counting tricky. So rather than try to count segments up front, we
2148 * just give up if there are too few segments to hold a reasonably 2234 * just give up if there are too few segments to hold a reasonably
2149 * fragmented packet currently available. If we run 2235 * fragmented packet currently available. If we run
@@ -2154,8 +2240,9 @@ myri10ge_submit_req_wc(struct myri10ge_tx_buf *tx,
2154static int myri10ge_xmit(struct sk_buff *skb, struct net_device *dev) 2240static int myri10ge_xmit(struct sk_buff *skb, struct net_device *dev)
2155{ 2241{
2156 struct myri10ge_priv *mgp = netdev_priv(dev); 2242 struct myri10ge_priv *mgp = netdev_priv(dev);
2243 struct myri10ge_slice_state *ss;
2157 struct mcp_kreq_ether_send *req; 2244 struct mcp_kreq_ether_send *req;
2158 struct myri10ge_tx_buf *tx = &mgp->tx; 2245 struct myri10ge_tx_buf *tx;
2159 struct skb_frag_struct *frag; 2246 struct skb_frag_struct *frag;
2160 dma_addr_t bus; 2247 dma_addr_t bus;
2161 u32 low; 2248 u32 low;
@@ -2166,6 +2253,9 @@ static int myri10ge_xmit(struct sk_buff *skb, struct net_device *dev)
2166 int cum_len, seglen, boundary, rdma_count; 2253 int cum_len, seglen, boundary, rdma_count;
2167 u8 flags, odd_flag; 2254 u8 flags, odd_flag;
2168 2255
2256 /* always transmit through slot 0 */
2257 ss = &mgp->ss;
2258 tx = &ss->tx;
2169again: 2259again:
2170 req = tx->req_list; 2260 req = tx->req_list;
2171 avail = tx->mask - 1 - (tx->req - tx->done); 2261 avail = tx->mask - 1 - (tx->req - tx->done);
@@ -2180,7 +2270,7 @@ again:
2180 2270
2181 if ((unlikely(avail < max_segments))) { 2271 if ((unlikely(avail < max_segments))) {
2182 /* we are out of transmit resources */ 2272 /* we are out of transmit resources */
2183 mgp->stop_queue++; 2273 tx->stop_queue++;
2184 netif_stop_queue(dev); 2274 netif_stop_queue(dev);
2185 return 1; 2275 return 1;
2186 } 2276 }
@@ -2242,7 +2332,7 @@ again:
2242 if (skb_padto(skb, ETH_ZLEN)) { 2332 if (skb_padto(skb, ETH_ZLEN)) {
2243 /* The packet is gone, so we must 2333 /* The packet is gone, so we must
2244 * return 0 */ 2334 * return 0 */
2245 mgp->stats.tx_dropped += 1; 2335 ss->stats.tx_dropped += 1;
2246 return 0; 2336 return 0;
2247 } 2337 }
2248 /* adjust the len to account for the zero pad 2338 /* adjust the len to account for the zero pad
@@ -2284,7 +2374,7 @@ again:
2284 2374
2285 while (1) { 2375 while (1) {
2286 /* Break the SKB or Fragment up into pieces which 2376 /* Break the SKB or Fragment up into pieces which
2287 * do not cross mgp->tx.boundary */ 2377 * do not cross mgp->tx_boundary */
2288 low = MYRI10GE_LOWPART_TO_U32(bus); 2378 low = MYRI10GE_LOWPART_TO_U32(bus);
2289 high_swapped = htonl(MYRI10GE_HIGHPART_TO_U32(bus)); 2379 high_swapped = htonl(MYRI10GE_HIGHPART_TO_U32(bus));
2290 while (len) { 2380 while (len) {
@@ -2294,7 +2384,8 @@ again:
2294 if (unlikely(count == max_segments)) 2384 if (unlikely(count == max_segments))
2295 goto abort_linearize; 2385 goto abort_linearize;
2296 2386
2297 boundary = (low + tx->boundary) & ~(tx->boundary - 1); 2387 boundary =
2388 (low + mgp->tx_boundary) & ~(mgp->tx_boundary - 1);
2298 seglen = boundary - low; 2389 seglen = boundary - low;
2299 if (seglen > len) 2390 if (seglen > len)
2300 seglen = len; 2391 seglen = len;
@@ -2378,7 +2469,7 @@ again:
2378 myri10ge_submit_req_wc(tx, tx->req_list, count); 2469 myri10ge_submit_req_wc(tx, tx->req_list, count);
2379 tx->pkt_start++; 2470 tx->pkt_start++;
2380 if ((avail - count) < MXGEFW_MAX_SEND_DESC) { 2471 if ((avail - count) < MXGEFW_MAX_SEND_DESC) {
2381 mgp->stop_queue++; 2472 tx->stop_queue++;
2382 netif_stop_queue(dev); 2473 netif_stop_queue(dev);
2383 } 2474 }
2384 dev->trans_start = jiffies; 2475 dev->trans_start = jiffies;
@@ -2420,12 +2511,12 @@ abort_linearize:
2420 if (skb_linearize(skb)) 2511 if (skb_linearize(skb))
2421 goto drop; 2512 goto drop;
2422 2513
2423 mgp->tx_linearized++; 2514 tx->linearized++;
2424 goto again; 2515 goto again;
2425 2516
2426drop: 2517drop:
2427 dev_kfree_skb_any(skb); 2518 dev_kfree_skb_any(skb);
2428 mgp->stats.tx_dropped += 1; 2519 ss->stats.tx_dropped += 1;
2429 return 0; 2520 return 0;
2430 2521
2431} 2522}
@@ -2433,7 +2524,7 @@ drop:
2433static int myri10ge_sw_tso(struct sk_buff *skb, struct net_device *dev) 2524static int myri10ge_sw_tso(struct sk_buff *skb, struct net_device *dev)
2434{ 2525{
2435 struct sk_buff *segs, *curr; 2526 struct sk_buff *segs, *curr;
2436 struct myri10ge_priv *mgp = dev->priv; 2527 struct myri10ge_priv *mgp = netdev_priv(dev);
2437 int status; 2528 int status;
2438 2529
2439 segs = skb_gso_segment(skb, dev->features & ~NETIF_F_TSO6); 2530 segs = skb_gso_segment(skb, dev->features & ~NETIF_F_TSO6);
@@ -2473,14 +2564,13 @@ static struct net_device_stats *myri10ge_get_stats(struct net_device *dev)
2473 2564
2474static void myri10ge_set_multicast_list(struct net_device *dev) 2565static void myri10ge_set_multicast_list(struct net_device *dev)
2475{ 2566{
2567 struct myri10ge_priv *mgp = netdev_priv(dev);
2476 struct myri10ge_cmd cmd; 2568 struct myri10ge_cmd cmd;
2477 struct myri10ge_priv *mgp;
2478 struct dev_mc_list *mc_list; 2569 struct dev_mc_list *mc_list;
2479 __be32 data[2] = { 0, 0 }; 2570 __be32 data[2] = { 0, 0 };
2480 int err; 2571 int err;
2481 DECLARE_MAC_BUF(mac); 2572 DECLARE_MAC_BUF(mac);
2482 2573
2483 mgp = netdev_priv(dev);
2484 /* can be called from atomic contexts, 2574 /* can be called from atomic contexts,
2485 * pass 1 to force atomicity in myri10ge_send_cmd() */ 2575 * pass 1 to force atomicity in myri10ge_send_cmd() */
2486 myri10ge_change_promisc(mgp, dev->flags & IFF_PROMISC, 1); 2576 myri10ge_change_promisc(mgp, dev->flags & IFF_PROMISC, 1);
@@ -2616,13 +2706,14 @@ static void myri10ge_enable_ecrc(struct myri10ge_priv *mgp)
2616 ext_type = (val & PCI_EXP_FLAGS_TYPE) >> 4; 2706 ext_type = (val & PCI_EXP_FLAGS_TYPE) >> 4;
2617 if (ext_type != PCI_EXP_TYPE_ROOT_PORT) { 2707 if (ext_type != PCI_EXP_TYPE_ROOT_PORT) {
2618 if (myri10ge_ecrc_enable > 1) { 2708 if (myri10ge_ecrc_enable > 1) {
2619 struct pci_dev *old_bridge = bridge; 2709 struct pci_dev *prev_bridge, *old_bridge = bridge;
2620 2710
2621 /* Walk the hierarchy up to the root port 2711 /* Walk the hierarchy up to the root port
2622 * where ECRC has to be enabled */ 2712 * where ECRC has to be enabled */
2623 do { 2713 do {
2714 prev_bridge = bridge;
2624 bridge = bridge->bus->self; 2715 bridge = bridge->bus->self;
2625 if (!bridge) { 2716 if (!bridge || prev_bridge == bridge) {
2626 dev_err(dev, 2717 dev_err(dev,
2627 "Failed to find root port" 2718 "Failed to find root port"
2628 " to force ECRC\n"); 2719 " to force ECRC\n");
@@ -2681,9 +2772,9 @@ static void myri10ge_enable_ecrc(struct myri10ge_priv *mgp)
2681 * already been enabled, then it must use a firmware image which works 2772 * already been enabled, then it must use a firmware image which works
2682 * around unaligned completion packets (myri10ge_ethp_z8e.dat), and it 2773 * around unaligned completion packets (myri10ge_ethp_z8e.dat), and it
2683 * should also ensure that it never gives the device a Read-DMA which is 2774 * should also ensure that it never gives the device a Read-DMA which is
2684 * larger than 2KB by setting the tx.boundary to 2KB. If ECRC is 2775 * larger than 2KB by setting the tx_boundary to 2KB. If ECRC is
2685 * enabled, then the driver should use the aligned (myri10ge_eth_z8e.dat) 2776 * enabled, then the driver should use the aligned (myri10ge_eth_z8e.dat)
2686 * firmware image, and set tx.boundary to 4KB. 2777 * firmware image, and set tx_boundary to 4KB.
2687 */ 2778 */
2688 2779
2689static void myri10ge_firmware_probe(struct myri10ge_priv *mgp) 2780static void myri10ge_firmware_probe(struct myri10ge_priv *mgp)
@@ -2692,7 +2783,7 @@ static void myri10ge_firmware_probe(struct myri10ge_priv *mgp)
2692 struct device *dev = &pdev->dev; 2783 struct device *dev = &pdev->dev;
2693 int status; 2784 int status;
2694 2785
2695 mgp->tx.boundary = 4096; 2786 mgp->tx_boundary = 4096;
2696 /* 2787 /*
2697 * Verify the max read request size was set to 4KB 2788 * Verify the max read request size was set to 4KB
2698 * before trying the test with 4KB. 2789 * before trying the test with 4KB.
@@ -2704,7 +2795,7 @@ static void myri10ge_firmware_probe(struct myri10ge_priv *mgp)
2704 } 2795 }
2705 if (status != 4096) { 2796 if (status != 4096) {
2706 dev_warn(dev, "Max Read Request size != 4096 (%d)\n", status); 2797 dev_warn(dev, "Max Read Request size != 4096 (%d)\n", status);
2707 mgp->tx.boundary = 2048; 2798 mgp->tx_boundary = 2048;
2708 } 2799 }
2709 /* 2800 /*
2710 * load the optimized firmware (which assumes aligned PCIe 2801 * load the optimized firmware (which assumes aligned PCIe
@@ -2737,7 +2828,7 @@ static void myri10ge_firmware_probe(struct myri10ge_priv *mgp)
2737 "Please install up to date fw\n"); 2828 "Please install up to date fw\n");
2738abort: 2829abort:
2739 /* fall back to using the unaligned firmware */ 2830 /* fall back to using the unaligned firmware */
2740 mgp->tx.boundary = 2048; 2831 mgp->tx_boundary = 2048;
2741 mgp->fw_name = myri10ge_fw_unaligned; 2832 mgp->fw_name = myri10ge_fw_unaligned;
2742 2833
2743} 2834}
@@ -2758,7 +2849,7 @@ static void myri10ge_select_firmware(struct myri10ge_priv *mgp)
2758 if (link_width < 8) { 2849 if (link_width < 8) {
2759 dev_info(&mgp->pdev->dev, "PCIE x%d Link\n", 2850 dev_info(&mgp->pdev->dev, "PCIE x%d Link\n",
2760 link_width); 2851 link_width);
2761 mgp->tx.boundary = 4096; 2852 mgp->tx_boundary = 4096;
2762 mgp->fw_name = myri10ge_fw_aligned; 2853 mgp->fw_name = myri10ge_fw_aligned;
2763 } else { 2854 } else {
2764 myri10ge_firmware_probe(mgp); 2855 myri10ge_firmware_probe(mgp);
@@ -2767,12 +2858,12 @@ static void myri10ge_select_firmware(struct myri10ge_priv *mgp)
2767 if (myri10ge_force_firmware == 1) { 2858 if (myri10ge_force_firmware == 1) {
2768 dev_info(&mgp->pdev->dev, 2859 dev_info(&mgp->pdev->dev,
2769 "Assuming aligned completions (forced)\n"); 2860 "Assuming aligned completions (forced)\n");
2770 mgp->tx.boundary = 4096; 2861 mgp->tx_boundary = 4096;
2771 mgp->fw_name = myri10ge_fw_aligned; 2862 mgp->fw_name = myri10ge_fw_aligned;
2772 } else { 2863 } else {
2773 dev_info(&mgp->pdev->dev, 2864 dev_info(&mgp->pdev->dev,
2774 "Assuming unaligned completions (forced)\n"); 2865 "Assuming unaligned completions (forced)\n");
2775 mgp->tx.boundary = 2048; 2866 mgp->tx_boundary = 2048;
2776 mgp->fw_name = myri10ge_fw_unaligned; 2867 mgp->fw_name = myri10ge_fw_unaligned;
2777 } 2868 }
2778 } 2869 }
@@ -2889,6 +2980,7 @@ static void myri10ge_watchdog(struct work_struct *work)
2889{ 2980{
2890 struct myri10ge_priv *mgp = 2981 struct myri10ge_priv *mgp =
2891 container_of(work, struct myri10ge_priv, watchdog_work); 2982 container_of(work, struct myri10ge_priv, watchdog_work);
2983 struct myri10ge_tx_buf *tx;
2892 u32 reboot; 2984 u32 reboot;
2893 int status; 2985 int status;
2894 u16 cmd, vendor; 2986 u16 cmd, vendor;
@@ -2938,15 +3030,16 @@ static void myri10ge_watchdog(struct work_struct *work)
2938 3030
2939 printk(KERN_ERR "myri10ge: %s: device timeout, resetting\n", 3031 printk(KERN_ERR "myri10ge: %s: device timeout, resetting\n",
2940 mgp->dev->name); 3032 mgp->dev->name);
3033 tx = &mgp->ss.tx;
2941 printk(KERN_INFO "myri10ge: %s: %d %d %d %d %d\n", 3034 printk(KERN_INFO "myri10ge: %s: %d %d %d %d %d\n",
2942 mgp->dev->name, mgp->tx.req, mgp->tx.done, 3035 mgp->dev->name, tx->req, tx->done,
2943 mgp->tx.pkt_start, mgp->tx.pkt_done, 3036 tx->pkt_start, tx->pkt_done,
2944 (int)ntohl(mgp->fw_stats->send_done_count)); 3037 (int)ntohl(mgp->ss.fw_stats->send_done_count));
2945 msleep(2000); 3038 msleep(2000);
2946 printk(KERN_INFO "myri10ge: %s: %d %d %d %d %d\n", 3039 printk(KERN_INFO "myri10ge: %s: %d %d %d %d %d\n",
2947 mgp->dev->name, mgp->tx.req, mgp->tx.done, 3040 mgp->dev->name, tx->req, tx->done,
2948 mgp->tx.pkt_start, mgp->tx.pkt_done, 3041 tx->pkt_start, tx->pkt_done,
2949 (int)ntohl(mgp->fw_stats->send_done_count)); 3042 (int)ntohl(mgp->ss.fw_stats->send_done_count));
2950 } 3043 }
2951 rtnl_lock(); 3044 rtnl_lock();
2952 myri10ge_close(mgp->dev); 3045 myri10ge_close(mgp->dev);
@@ -2969,28 +3062,31 @@ static void myri10ge_watchdog(struct work_struct *work)
2969static void myri10ge_watchdog_timer(unsigned long arg) 3062static void myri10ge_watchdog_timer(unsigned long arg)
2970{ 3063{
2971 struct myri10ge_priv *mgp; 3064 struct myri10ge_priv *mgp;
3065 struct myri10ge_slice_state *ss;
2972 u32 rx_pause_cnt; 3066 u32 rx_pause_cnt;
2973 3067
2974 mgp = (struct myri10ge_priv *)arg; 3068 mgp = (struct myri10ge_priv *)arg;
2975 3069
2976 if (mgp->rx_small.watchdog_needed) { 3070 rx_pause_cnt = ntohl(mgp->ss.fw_stats->dropped_pause);
2977 myri10ge_alloc_rx_pages(mgp, &mgp->rx_small, 3071
3072 ss = &mgp->ss;
3073 if (ss->rx_small.watchdog_needed) {
3074 myri10ge_alloc_rx_pages(mgp, &ss->rx_small,
2978 mgp->small_bytes + MXGEFW_PAD, 1); 3075 mgp->small_bytes + MXGEFW_PAD, 1);
2979 if (mgp->rx_small.fill_cnt - mgp->rx_small.cnt >= 3076 if (ss->rx_small.fill_cnt - ss->rx_small.cnt >=
2980 myri10ge_fill_thresh) 3077 myri10ge_fill_thresh)
2981 mgp->rx_small.watchdog_needed = 0; 3078 ss->rx_small.watchdog_needed = 0;
2982 } 3079 }
2983 if (mgp->rx_big.watchdog_needed) { 3080 if (ss->rx_big.watchdog_needed) {
2984 myri10ge_alloc_rx_pages(mgp, &mgp->rx_big, mgp->big_bytes, 1); 3081 myri10ge_alloc_rx_pages(mgp, &ss->rx_big, mgp->big_bytes, 1);
2985 if (mgp->rx_big.fill_cnt - mgp->rx_big.cnt >= 3082 if (ss->rx_big.fill_cnt - ss->rx_big.cnt >=
2986 myri10ge_fill_thresh) 3083 myri10ge_fill_thresh)
2987 mgp->rx_big.watchdog_needed = 0; 3084 ss->rx_big.watchdog_needed = 0;
2988 } 3085 }
2989 rx_pause_cnt = ntohl(mgp->fw_stats->dropped_pause);
2990 3086
2991 if (mgp->tx.req != mgp->tx.done && 3087 if (ss->tx.req != ss->tx.done &&
2992 mgp->tx.done == mgp->watchdog_tx_done && 3088 ss->tx.done == ss->watchdog_tx_done &&
2993 mgp->watchdog_tx_req != mgp->watchdog_tx_done) { 3089 ss->watchdog_tx_req != ss->watchdog_tx_done) {
2994 /* nic seems like it might be stuck.. */ 3090 /* nic seems like it might be stuck.. */
2995 if (rx_pause_cnt != mgp->watchdog_pause) { 3091 if (rx_pause_cnt != mgp->watchdog_pause) {
2996 if (net_ratelimit()) 3092 if (net_ratelimit())
@@ -3005,8 +3101,8 @@ static void myri10ge_watchdog_timer(unsigned long arg)
3005 /* rearm timer */ 3101 /* rearm timer */
3006 mod_timer(&mgp->watchdog_timer, 3102 mod_timer(&mgp->watchdog_timer,
3007 jiffies + myri10ge_watchdog_timeout * HZ); 3103 jiffies + myri10ge_watchdog_timeout * HZ);
3008 mgp->watchdog_tx_done = mgp->tx.done; 3104 ss->watchdog_tx_done = ss->tx.done;
3009 mgp->watchdog_tx_req = mgp->tx.req; 3105 ss->watchdog_tx_req = ss->tx.req;
3010 mgp->watchdog_pause = rx_pause_cnt; 3106 mgp->watchdog_pause = rx_pause_cnt;
3011} 3107}
3012 3108
@@ -3030,7 +3126,7 @@ static int myri10ge_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
3030 3126
3031 mgp = netdev_priv(netdev); 3127 mgp = netdev_priv(netdev);
3032 mgp->dev = netdev; 3128 mgp->dev = netdev;
3033 netif_napi_add(netdev, &mgp->napi, myri10ge_poll, myri10ge_napi_weight); 3129 netif_napi_add(netdev, &mgp->ss.napi, myri10ge_poll, myri10ge_napi_weight);
3034 mgp->pdev = pdev; 3130 mgp->pdev = pdev;
3035 mgp->csum_flag = MXGEFW_FLAGS_CKSUM; 3131 mgp->csum_flag = MXGEFW_FLAGS_CKSUM;
3036 mgp->pause = myri10ge_flow_control; 3132 mgp->pause = myri10ge_flow_control;
@@ -3076,9 +3172,9 @@ static int myri10ge_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
3076 if (mgp->cmd == NULL) 3172 if (mgp->cmd == NULL)
3077 goto abort_with_netdev; 3173 goto abort_with_netdev;
3078 3174
3079 mgp->fw_stats = dma_alloc_coherent(&pdev->dev, sizeof(*mgp->fw_stats), 3175 mgp->ss.fw_stats = dma_alloc_coherent(&pdev->dev, sizeof(*mgp->ss.fw_stats),
3080 &mgp->fw_stats_bus, GFP_KERNEL); 3176 &mgp->ss.fw_stats_bus, GFP_KERNEL);
3081 if (mgp->fw_stats == NULL) 3177 if (mgp->ss.fw_stats == NULL)
3082 goto abort_with_cmd; 3178 goto abort_with_cmd;
3083 3179
3084 mgp->board_span = pci_resource_len(pdev, 0); 3180 mgp->board_span = pci_resource_len(pdev, 0);
@@ -3118,12 +3214,12 @@ static int myri10ge_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
3118 netdev->dev_addr[i] = mgp->mac_addr[i]; 3214 netdev->dev_addr[i] = mgp->mac_addr[i];
3119 3215
3120 /* allocate rx done ring */ 3216 /* allocate rx done ring */
3121 bytes = myri10ge_max_intr_slots * sizeof(*mgp->rx_done.entry); 3217 bytes = mgp->max_intr_slots * sizeof(*mgp->ss.rx_done.entry);
3122 mgp->rx_done.entry = dma_alloc_coherent(&pdev->dev, bytes, 3218 mgp->ss.rx_done.entry = dma_alloc_coherent(&pdev->dev, bytes,
3123 &mgp->rx_done.bus, GFP_KERNEL); 3219 &mgp->ss.rx_done.bus, GFP_KERNEL);
3124 if (mgp->rx_done.entry == NULL) 3220 if (mgp->ss.rx_done.entry == NULL)
3125 goto abort_with_ioremap; 3221 goto abort_with_ioremap;
3126 memset(mgp->rx_done.entry, 0, bytes); 3222 memset(mgp->ss.rx_done.entry, 0, bytes);
3127 3223
3128 myri10ge_select_firmware(mgp); 3224 myri10ge_select_firmware(mgp);
3129 3225
@@ -3183,7 +3279,7 @@ static int myri10ge_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
3183 } 3279 }
3184 dev_info(dev, "%s IRQ %d, tx bndry %d, fw %s, WC %s\n", 3280 dev_info(dev, "%s IRQ %d, tx bndry %d, fw %s, WC %s\n",
3185 (mgp->msi_enabled ? "MSI" : "xPIC"), 3281 (mgp->msi_enabled ? "MSI" : "xPIC"),
3186 netdev->irq, mgp->tx.boundary, mgp->fw_name, 3282 netdev->irq, mgp->tx_boundary, mgp->fw_name,
3187 (mgp->wc_enabled ? "Enabled" : "Disabled")); 3283 (mgp->wc_enabled ? "Enabled" : "Disabled"));
3188 3284
3189 return 0; 3285 return 0;
@@ -3195,9 +3291,9 @@ abort_with_firmware:
3195 myri10ge_dummy_rdma(mgp, 0); 3291 myri10ge_dummy_rdma(mgp, 0);
3196 3292
3197abort_with_rx_done: 3293abort_with_rx_done:
3198 bytes = myri10ge_max_intr_slots * sizeof(*mgp->rx_done.entry); 3294 bytes = mgp->max_intr_slots * sizeof(*mgp->ss.rx_done.entry);
3199 dma_free_coherent(&pdev->dev, bytes, 3295 dma_free_coherent(&pdev->dev, bytes,
3200 mgp->rx_done.entry, mgp->rx_done.bus); 3296 mgp->ss.rx_done.entry, mgp->ss.rx_done.bus);
3201 3297
3202abort_with_ioremap: 3298abort_with_ioremap:
3203 iounmap(mgp->sram); 3299 iounmap(mgp->sram);
@@ -3207,8 +3303,8 @@ abort_with_wc:
3207 if (mgp->mtrr >= 0) 3303 if (mgp->mtrr >= 0)
3208 mtrr_del(mgp->mtrr, mgp->iomem_base, mgp->board_span); 3304 mtrr_del(mgp->mtrr, mgp->iomem_base, mgp->board_span);
3209#endif 3305#endif
3210 dma_free_coherent(&pdev->dev, sizeof(*mgp->fw_stats), 3306 dma_free_coherent(&pdev->dev, sizeof(*mgp->ss.fw_stats),
3211 mgp->fw_stats, mgp->fw_stats_bus); 3307 mgp->ss.fw_stats, mgp->ss.fw_stats_bus);
3212 3308
3213abort_with_cmd: 3309abort_with_cmd:
3214 dma_free_coherent(&pdev->dev, sizeof(*mgp->cmd), 3310 dma_free_coherent(&pdev->dev, sizeof(*mgp->cmd),
@@ -3246,9 +3342,9 @@ static void myri10ge_remove(struct pci_dev *pdev)
3246 /* avoid a memory leak */ 3342 /* avoid a memory leak */
3247 pci_restore_state(pdev); 3343 pci_restore_state(pdev);
3248 3344
3249 bytes = myri10ge_max_intr_slots * sizeof(*mgp->rx_done.entry); 3345 bytes = mgp->max_intr_slots * sizeof(*mgp->ss.rx_done.entry);
3250 dma_free_coherent(&pdev->dev, bytes, 3346 dma_free_coherent(&pdev->dev, bytes,
3251 mgp->rx_done.entry, mgp->rx_done.bus); 3347 mgp->ss.rx_done.entry, mgp->ss.rx_done.bus);
3252 3348
3253 iounmap(mgp->sram); 3349 iounmap(mgp->sram);
3254 3350
@@ -3256,8 +3352,8 @@ static void myri10ge_remove(struct pci_dev *pdev)
3256 if (mgp->mtrr >= 0) 3352 if (mgp->mtrr >= 0)
3257 mtrr_del(mgp->mtrr, mgp->iomem_base, mgp->board_span); 3353 mtrr_del(mgp->mtrr, mgp->iomem_base, mgp->board_span);
3258#endif 3354#endif
3259 dma_free_coherent(&pdev->dev, sizeof(*mgp->fw_stats), 3355 dma_free_coherent(&pdev->dev, sizeof(*mgp->ss.fw_stats),
3260 mgp->fw_stats, mgp->fw_stats_bus); 3356 mgp->ss.fw_stats, mgp->ss.fw_stats_bus);
3261 3357
3262 dma_free_coherent(&pdev->dev, sizeof(*mgp->cmd), 3358 dma_free_coherent(&pdev->dev, sizeof(*mgp->cmd),
3263 mgp->cmd, mgp->cmd_bus); 3359 mgp->cmd, mgp->cmd_bus);
diff --git a/drivers/net/myri10ge/myri10ge_mcp.h b/drivers/net/myri10ge/myri10ge_mcp.h
index 58e57178c563..fdbeeee07372 100644
--- a/drivers/net/myri10ge/myri10ge_mcp.h
+++ b/drivers/net/myri10ge/myri10ge_mcp.h
@@ -10,7 +10,7 @@ struct mcp_dma_addr {
10 __be32 low; 10 __be32 low;
11}; 11};
12 12
13/* 4 Bytes. 8 Bytes for NDIS drivers. */ 13/* 4 Bytes */
14struct mcp_slot { 14struct mcp_slot {
15 __sum16 checksum; 15 __sum16 checksum;
16 __be16 length; 16 __be16 length;
@@ -144,6 +144,7 @@ enum myri10ge_mcp_cmd_type {
144 * a power of 2 number of entries. */ 144 * a power of 2 number of entries. */
145 145
146 MXGEFW_CMD_SET_INTRQ_SIZE, /* in bytes */ 146 MXGEFW_CMD_SET_INTRQ_SIZE, /* in bytes */
147#define MXGEFW_CMD_SET_INTRQ_SIZE_FLAG_NO_STRICT_SIZE_CHECK (1 << 31)
147 148
148 /* command to bring ethernet interface up. Above parameters 149 /* command to bring ethernet interface up. Above parameters
149 * (plus mtu & mac address) must have been exchanged prior 150 * (plus mtu & mac address) must have been exchanged prior
@@ -221,10 +222,14 @@ enum myri10ge_mcp_cmd_type {
221 MXGEFW_CMD_GET_MAX_RSS_QUEUES, 222 MXGEFW_CMD_GET_MAX_RSS_QUEUES,
222 MXGEFW_CMD_ENABLE_RSS_QUEUES, 223 MXGEFW_CMD_ENABLE_RSS_QUEUES,
223 /* data0 = number of slices n (0, 1, ..., n-1) to enable 224 /* data0 = number of slices n (0, 1, ..., n-1) to enable
224 * data1 = interrupt mode. 0=share one INTx/MSI, 1=use one MSI-X per queue. 225 * data1 = interrupt mode.
226 * 0=share one INTx/MSI, 1=use one MSI-X per queue.
225 * If all queues share one interrupt, the driver must have set 227 * If all queues share one interrupt, the driver must have set
226 * RSS_SHARED_INTERRUPT_DMA before enabling queues. 228 * RSS_SHARED_INTERRUPT_DMA before enabling queues.
227 */ 229 */
230#define MXGEFW_SLICE_INTR_MODE_SHARED 0
231#define MXGEFW_SLICE_INTR_MODE_ONE_PER_SLICE 1
232
228 MXGEFW_CMD_GET_RSS_SHARED_INTERRUPT_MASK_OFFSET, 233 MXGEFW_CMD_GET_RSS_SHARED_INTERRUPT_MASK_OFFSET,
229 MXGEFW_CMD_SET_RSS_SHARED_INTERRUPT_DMA, 234 MXGEFW_CMD_SET_RSS_SHARED_INTERRUPT_DMA,
230 /* data0, data1 = bus address lsw, msw */ 235 /* data0, data1 = bus address lsw, msw */
@@ -241,10 +246,14 @@ enum myri10ge_mcp_cmd_type {
241 * 0: disable rss. nic does not distribute receive packets. 246 * 0: disable rss. nic does not distribute receive packets.
242 * 1: enable rss. nic distributes receive packets among queues. 247 * 1: enable rss. nic distributes receive packets among queues.
243 * data1 = hash type 248 * data1 = hash type
244 * 1: IPV4 249 * 1: IPV4 (required by RSS)
245 * 2: TCP_IPV4 250 * 2: TCP_IPV4 (required by RSS)
246 * 3: IPV4 | TCP_IPV4 251 * 3: IPV4 | TCP_IPV4 (required by RSS)
252 * 4: source port
247 */ 253 */
254#define MXGEFW_RSS_HASH_TYPE_IPV4 0x1
255#define MXGEFW_RSS_HASH_TYPE_TCP_IPV4 0x2
256#define MXGEFW_RSS_HASH_TYPE_SRC_PORT 0x4
248 257
249 MXGEFW_CMD_GET_MAX_TSO6_HDR_SIZE, 258 MXGEFW_CMD_GET_MAX_TSO6_HDR_SIZE,
250 /* Return data = the max. size of the entire headers of a IPv6 TSO packet. 259 /* Return data = the max. size of the entire headers of a IPv6 TSO packet.
@@ -260,6 +269,8 @@ enum myri10ge_mcp_cmd_type {
260 * 0: Linux/FreeBSD style (NIC default) 269 * 0: Linux/FreeBSD style (NIC default)
261 * 1: NDIS/NetBSD style 270 * 1: NDIS/NetBSD style
262 */ 271 */
272#define MXGEFW_TSO_MODE_LINUX 0
273#define MXGEFW_TSO_MODE_NDIS 1
263 274
264 MXGEFW_CMD_MDIO_READ, 275 MXGEFW_CMD_MDIO_READ,
265 /* data0 = dev_addr (PMA/PMD or PCS ...), data1 = register/addr */ 276 /* data0 = dev_addr (PMA/PMD or PCS ...), data1 = register/addr */
@@ -286,6 +297,38 @@ enum myri10ge_mcp_cmd_type {
286 /* Return data = NIC memory offset of mcp_vpump_public_global */ 297 /* Return data = NIC memory offset of mcp_vpump_public_global */
287 MXGEFW_CMD_RESET_VPUMP, 298 MXGEFW_CMD_RESET_VPUMP,
288 /* Resets the VPUMP state */ 299 /* Resets the VPUMP state */
300
301 MXGEFW_CMD_SET_RSS_MCP_SLOT_TYPE,
302 /* data0 = mcp_slot type to use.
303 * 0 = the default 4B mcp_slot
304 * 1 = 8B mcp_slot_8
305 */
306#define MXGEFW_RSS_MCP_SLOT_TYPE_MIN 0
307#define MXGEFW_RSS_MCP_SLOT_TYPE_WITH_HASH 1
308
309 MXGEFW_CMD_SET_THROTTLE_FACTOR,
310 /* set the throttle factor for ethp_z8e
311 * data0 = throttle_factor
312 * throttle_factor = 256 * pcie-raw-speed / tx_speed
313 * tx_speed = 256 * pcie-raw-speed / throttle_factor
314 *
315 * For PCI-E x8: pcie-raw-speed == 16Gb/s
316 * For PCI-E x4: pcie-raw-speed == 8Gb/s
317 *
318 * ex1: throttle_factor == 0x1a0 (416), tx_speed == 1.23GB/s == 9.846 Gb/s
319 * ex2: throttle_factor == 0x200 (512), tx_speed == 1.0GB/s == 8 Gb/s
320 *
321 * with tx_boundary == 2048, max-throttle-factor == 8191 => min-speed == 500Mb/s
322 * with tx_boundary == 4096, max-throttle-factor == 4095 => min-speed == 1Gb/s
323 */
324
325 MXGEFW_CMD_VPUMP_UP,
326 /* Allocates VPump Connection, Send Request and Zero copy buffer address tables */
327 MXGEFW_CMD_GET_VPUMP_CLK,
328 /* Get the lanai clock */
329
330 MXGEFW_CMD_GET_DCA_OFFSET,
331 /* offset of dca control for WDMAs */
289}; 332};
290 333
291enum myri10ge_mcp_cmd_status { 334enum myri10ge_mcp_cmd_status {
@@ -302,7 +345,8 @@ enum myri10ge_mcp_cmd_status {
302 MXGEFW_CMD_ERROR_UNALIGNED, 345 MXGEFW_CMD_ERROR_UNALIGNED,
303 MXGEFW_CMD_ERROR_NO_MDIO, 346 MXGEFW_CMD_ERROR_NO_MDIO,
304 MXGEFW_CMD_ERROR_XFP_FAILURE, 347 MXGEFW_CMD_ERROR_XFP_FAILURE,
305 MXGEFW_CMD_ERROR_XFP_ABSENT 348 MXGEFW_CMD_ERROR_XFP_ABSENT,
349 MXGEFW_CMD_ERROR_BAD_PCIE_LINK
306}; 350};
307 351
308#define MXGEFW_OLD_IRQ_DATA_LEN 40 352#define MXGEFW_OLD_IRQ_DATA_LEN 40
diff --git a/drivers/net/myri10ge/myri10ge_mcp_gen_header.h b/drivers/net/myri10ge/myri10ge_mcp_gen_header.h
index 16a810dd6d51..07d65c2cbb24 100644
--- a/drivers/net/myri10ge/myri10ge_mcp_gen_header.h
+++ b/drivers/net/myri10ge/myri10ge_mcp_gen_header.h
@@ -1,30 +1,6 @@
1#ifndef __MYRI10GE_MCP_GEN_HEADER_H__ 1#ifndef __MYRI10GE_MCP_GEN_HEADER_H__
2#define __MYRI10GE_MCP_GEN_HEADER_H__ 2#define __MYRI10GE_MCP_GEN_HEADER_H__
3 3
4/* this file define a standard header used as a first entry point to
5 * exchange information between firmware/driver and driver. The
6 * header structure can be anywhere in the mcp. It will usually be in
7 * the .data section, because some fields needs to be initialized at
8 * compile time.
9 * The 32bit word at offset MX_HEADER_PTR_OFFSET in the mcp must
10 * contains the location of the header.
11 *
12 * Typically a MCP will start with the following:
13 * .text
14 * .space 52 ! to help catch MEMORY_INT errors
15 * bt start ! jump to real code
16 * nop
17 * .long _gen_mcp_header
18 *
19 * The source will have a definition like:
20 *
21 * mcp_gen_header_t gen_mcp_header = {
22 * .header_length = sizeof(mcp_gen_header_t),
23 * .mcp_type = MCP_TYPE_XXX,
24 * .version = "something $Id: mcp_gen_header.h,v 1.2 2006/05/13 10:04:35 bgoglin Exp $",
25 * .mcp_globals = (unsigned)&Globals
26 * };
27 */
28 4
29#define MCP_HEADER_PTR_OFFSET 0x3c 5#define MCP_HEADER_PTR_OFFSET 0x3c
30 6
@@ -32,13 +8,14 @@
32#define MCP_TYPE_PCIE 0x70636965 /* "PCIE" pcie-only MCP */ 8#define MCP_TYPE_PCIE 0x70636965 /* "PCIE" pcie-only MCP */
33#define MCP_TYPE_ETH 0x45544820 /* "ETH " */ 9#define MCP_TYPE_ETH 0x45544820 /* "ETH " */
34#define MCP_TYPE_MCP0 0x4d435030 /* "MCP0" */ 10#define MCP_TYPE_MCP0 0x4d435030 /* "MCP0" */
11#define MCP_TYPE_DFLT 0x20202020 /* " " */
35 12
36struct mcp_gen_header { 13struct mcp_gen_header {
37 /* the first 4 fields are filled at compile time */ 14 /* the first 4 fields are filled at compile time */
38 unsigned header_length; 15 unsigned header_length;
39 __be32 mcp_type; 16 __be32 mcp_type;
40 char version[128]; 17 char version[128];
41 unsigned mcp_globals; /* pointer to mcp-type specific structure */ 18 unsigned mcp_private; /* pointer to mcp-type specific structure */
42 19
43 /* filled by the MCP at run-time */ 20 /* filled by the MCP at run-time */
44 unsigned sram_size; 21 unsigned sram_size;
@@ -53,6 +30,18 @@ struct mcp_gen_header {
53 * 30 *
54 * Never remove any field. Keep everything naturally align. 31 * Never remove any field. Keep everything naturally align.
55 */ 32 */
33
34 /* Specifies if the running mcp is mcp0, 1, or 2. */
35 unsigned char mcp_index;
36 unsigned char disable_rabbit;
37 unsigned char unaligned_tlp;
38 unsigned char pad1;
39 unsigned counters_addr;
40 unsigned copy_block_info; /* for small mcps loaded with "lload -d" */
41 unsigned short handoff_id_major; /* must be equal */
42 unsigned short handoff_id_caps; /* bitfield: new mcp must have superset */
43 unsigned msix_table_addr; /* start address of msix table in firmware */
44 /* 8 */
56}; 45};
57 46
58#endif /* __MYRI10GE_MCP_GEN_HEADER_H__ */ 47#endif /* __MYRI10GE_MCP_GEN_HEADER_H__ */
diff --git a/drivers/net/niu.c b/drivers/net/niu.c
index 57cfd72ffdf7..918f802fe089 100644
--- a/drivers/net/niu.c
+++ b/drivers/net/niu.c
@@ -865,7 +865,6 @@ static int link_status_1g_serdes(struct niu *np, int *link_up_p)
865 return 0; 865 return 0;
866} 866}
867 867
868
869static int link_status_10g_serdes(struct niu *np, int *link_up_p) 868static int link_status_10g_serdes(struct niu *np, int *link_up_p)
870{ 869{
871 unsigned long flags; 870 unsigned long flags;
@@ -900,7 +899,6 @@ static int link_status_10g_serdes(struct niu *np, int *link_up_p)
900 return 0; 899 return 0;
901} 900}
902 901
903
904static int link_status_1g_rgmii(struct niu *np, int *link_up_p) 902static int link_status_1g_rgmii(struct niu *np, int *link_up_p)
905{ 903{
906 struct niu_link_config *lp = &np->link_config; 904 struct niu_link_config *lp = &np->link_config;
@@ -957,7 +955,6 @@ out:
957 return err; 955 return err;
958} 956}
959 957
960
961static int bcm8704_reset(struct niu *np) 958static int bcm8704_reset(struct niu *np)
962{ 959{
963 int err, limit; 960 int err, limit;
@@ -1357,8 +1354,6 @@ static int mii_reset(struct niu *np)
1357 return 0; 1354 return 0;
1358} 1355}
1359 1356
1360
1361
1362static int xcvr_init_1g_rgmii(struct niu *np) 1357static int xcvr_init_1g_rgmii(struct niu *np)
1363{ 1358{
1364 int err; 1359 int err;
@@ -1419,7 +1414,6 @@ static int xcvr_init_1g_rgmii(struct niu *np)
1419 return 0; 1414 return 0;
1420} 1415}
1421 1416
1422
1423static int mii_init_common(struct niu *np) 1417static int mii_init_common(struct niu *np)
1424{ 1418{
1425 struct niu_link_config *lp = &np->link_config; 1419 struct niu_link_config *lp = &np->link_config;
@@ -7008,31 +7002,20 @@ static int __devinit niu_phy_type_prop_decode(struct niu *np,
7008 return 0; 7002 return 0;
7009} 7003}
7010 7004
7011/* niu board models have a trailing dash version incremented
7012 * with HW rev change. Need to ingnore the dash version while
7013 * checking for match
7014 *
7015 * for example, for the 10G card the current vpd.board_model
7016 * is 501-5283-04, of which -04 is the dash version and have
7017 * to be ignored
7018 */
7019static int niu_board_model_match(struct niu *np, const char *model)
7020{
7021 return !strncmp(np->vpd.board_model, model, strlen(model));
7022}
7023
7024static int niu_pci_vpd_get_nports(struct niu *np) 7005static int niu_pci_vpd_get_nports(struct niu *np)
7025{ 7006{
7026 int ports = 0; 7007 int ports = 0;
7027 7008
7028 if ((niu_board_model_match(np, NIU_QGC_LP_BM_STR)) || 7009 if ((!strcmp(np->vpd.model, NIU_QGC_LP_MDL_STR)) ||
7029 (niu_board_model_match(np, NIU_QGC_PEM_BM_STR)) || 7010 (!strcmp(np->vpd.model, NIU_QGC_PEM_MDL_STR)) ||
7030 (niu_board_model_match(np, NIU_ALONSO_BM_STR))) { 7011 (!strcmp(np->vpd.model, NIU_MARAMBA_MDL_STR)) ||
7012 (!strcmp(np->vpd.model, NIU_KIMI_MDL_STR)) ||
7013 (!strcmp(np->vpd.model, NIU_ALONSO_MDL_STR))) {
7031 ports = 4; 7014 ports = 4;
7032 } else if ((niu_board_model_match(np, NIU_2XGF_LP_BM_STR)) || 7015 } else if ((!strcmp(np->vpd.model, NIU_2XGF_LP_MDL_STR)) ||
7033 (niu_board_model_match(np, NIU_2XGF_PEM_BM_STR)) || 7016 (!strcmp(np->vpd.model, NIU_2XGF_PEM_MDL_STR)) ||
7034 (niu_board_model_match(np, NIU_FOXXY_BM_STR)) || 7017 (!strcmp(np->vpd.model, NIU_FOXXY_MDL_STR)) ||
7035 (niu_board_model_match(np, NIU_2XGF_MRVL_BM_STR))) { 7018 (!strcmp(np->vpd.model, NIU_2XGF_MRVL_MDL_STR))) {
7036 ports = 2; 7019 ports = 2;
7037 } 7020 }
7038 7021
@@ -7053,8 +7036,8 @@ static void __devinit niu_pci_vpd_validate(struct niu *np)
7053 return; 7036 return;
7054 } 7037 }
7055 7038
7056 if (!strcmp(np->vpd.model, "SUNW,CP3220") || 7039 if (!strcmp(np->vpd.model, NIU_ALONSO_MDL_STR) ||
7057 !strcmp(np->vpd.model, "SUNW,CP3260")) { 7040 !strcmp(np->vpd.model, NIU_KIMI_MDL_STR)) {
7058 np->flags |= NIU_FLAGS_10G; 7041 np->flags |= NIU_FLAGS_10G;
7059 np->flags &= ~NIU_FLAGS_FIBER; 7042 np->flags &= ~NIU_FLAGS_FIBER;
7060 np->flags |= NIU_FLAGS_XCVR_SERDES; 7043 np->flags |= NIU_FLAGS_XCVR_SERDES;
@@ -7065,7 +7048,7 @@ static void __devinit niu_pci_vpd_validate(struct niu *np)
7065 } 7048 }
7066 if (np->flags & NIU_FLAGS_10G) 7049 if (np->flags & NIU_FLAGS_10G)
7067 np->mac_xcvr = MAC_XCVR_XPCS; 7050 np->mac_xcvr = MAC_XCVR_XPCS;
7068 } else if (niu_board_model_match(np, NIU_FOXXY_BM_STR)) { 7051 } else if (!strcmp(np->vpd.model, NIU_FOXXY_MDL_STR)) {
7069 np->flags |= (NIU_FLAGS_10G | NIU_FLAGS_FIBER | 7052 np->flags |= (NIU_FLAGS_10G | NIU_FLAGS_FIBER |
7070 NIU_FLAGS_HOTPLUG_PHY); 7053 NIU_FLAGS_HOTPLUG_PHY);
7071 } else if (niu_phy_type_prop_decode(np, np->vpd.phy_type)) { 7054 } else if (niu_phy_type_prop_decode(np, np->vpd.phy_type)) {
@@ -7541,8 +7524,8 @@ static int __devinit walk_phys(struct niu *np, struct niu_parent *parent)
7541 u32 val; 7524 u32 val;
7542 int err; 7525 int err;
7543 7526
7544 if (!strcmp(np->vpd.model, "SUNW,CP3220") || 7527 if (!strcmp(np->vpd.model, NIU_ALONSO_MDL_STR) ||
7545 !strcmp(np->vpd.model, "SUNW,CP3260")) { 7528 !strcmp(np->vpd.model, NIU_KIMI_MDL_STR)) {
7546 num_10g = 0; 7529 num_10g = 0;
7547 num_1g = 2; 7530 num_1g = 2;
7548 parent->plat_type = PLAT_TYPE_ATCA_CP3220; 7531 parent->plat_type = PLAT_TYPE_ATCA_CP3220;
@@ -7551,7 +7534,7 @@ static int __devinit walk_phys(struct niu *np, struct niu_parent *parent)
7551 phy_encode(PORT_TYPE_1G, 1) | 7534 phy_encode(PORT_TYPE_1G, 1) |
7552 phy_encode(PORT_TYPE_1G, 2) | 7535 phy_encode(PORT_TYPE_1G, 2) |
7553 phy_encode(PORT_TYPE_1G, 3)); 7536 phy_encode(PORT_TYPE_1G, 3));
7554 } else if (niu_board_model_match(np, NIU_FOXXY_BM_STR)) { 7537 } else if (!strcmp(np->vpd.model, NIU_FOXXY_MDL_STR)) {
7555 num_10g = 2; 7538 num_10g = 2;
7556 num_1g = 0; 7539 num_1g = 0;
7557 parent->num_ports = 2; 7540 parent->num_ports = 2;
@@ -7946,6 +7929,7 @@ static int __devinit niu_get_of_props(struct niu *np)
7946 struct device_node *dp; 7929 struct device_node *dp;
7947 const char *phy_type; 7930 const char *phy_type;
7948 const u8 *mac_addr; 7931 const u8 *mac_addr;
7932 const char *model;
7949 int prop_len; 7933 int prop_len;
7950 7934
7951 if (np->parent->plat_type == PLAT_TYPE_NIU) 7935 if (np->parent->plat_type == PLAT_TYPE_NIU)
@@ -8000,6 +7984,11 @@ static int __devinit niu_get_of_props(struct niu *np)
8000 7984
8001 memcpy(dev->dev_addr, dev->perm_addr, dev->addr_len); 7985 memcpy(dev->dev_addr, dev->perm_addr, dev->addr_len);
8002 7986
7987 model = of_get_property(dp, "model", &prop_len);
7988
7989 if (model)
7990 strcpy(np->vpd.model, model);
7991
8003 return 0; 7992 return 0;
8004#else 7993#else
8005 return -EINVAL; 7994 return -EINVAL;
diff --git a/drivers/net/niu.h b/drivers/net/niu.h
index 97ffbe137bcb..12fd570b9423 100644
--- a/drivers/net/niu.h
+++ b/drivers/net/niu.h
@@ -2946,6 +2946,15 @@ struct rx_ring_info {
2946#define NIU_ALONSO_BM_STR "373-0202" 2946#define NIU_ALONSO_BM_STR "373-0202"
2947#define NIU_FOXXY_BM_STR "501-7961" 2947#define NIU_FOXXY_BM_STR "501-7961"
2948#define NIU_2XGF_MRVL_BM_STR "SK-6E82" 2948#define NIU_2XGF_MRVL_BM_STR "SK-6E82"
2949#define NIU_QGC_LP_MDL_STR "SUNW,pcie-qgc"
2950#define NIU_2XGF_LP_MDL_STR "SUNW,pcie-2xgf"
2951#define NIU_QGC_PEM_MDL_STR "SUNW,pcie-qgc-pem"
2952#define NIU_2XGF_PEM_MDL_STR "SUNW,pcie-2xgf-pem"
2953#define NIU_ALONSO_MDL_STR "SUNW,CP3220"
2954#define NIU_KIMI_MDL_STR "SUNW,CP3260"
2955#define NIU_MARAMBA_MDL_STR "SUNW,pcie-neptune"
2956#define NIU_FOXXY_MDL_STR "SUNW,pcie-rfem"
2957#define NIU_2XGF_MRVL_MDL_STR "SysKonnect,pcie-2xgf"
2949 2958
2950#define NIU_VPD_MIN_MAJOR 3 2959#define NIU_VPD_MIN_MAJOR 3
2951#define NIU_VPD_MIN_MINOR 4 2960#define NIU_VPD_MIN_MINOR 4
diff --git a/drivers/net/ppp_generic.c b/drivers/net/ppp_generic.c
index d3207c0da895..1f4ca2b54a73 100644
--- a/drivers/net/ppp_generic.c
+++ b/drivers/net/ppp_generic.c
@@ -2458,6 +2458,7 @@ ppp_create_interface(int unit, int *retp)
2458 2458
2459out3: 2459out3:
2460 atomic_dec(&ppp_unit_count); 2460 atomic_dec(&ppp_unit_count);
2461 unregister_netdev(dev);
2461out2: 2462out2:
2462 mutex_unlock(&all_ppp_mutex); 2463 mutex_unlock(&all_ppp_mutex);
2463 free_netdev(dev); 2464 free_netdev(dev);
diff --git a/drivers/net/pppol2tp.c b/drivers/net/pppol2tp.c
index 244d7830c92a..79359919335b 100644
--- a/drivers/net/pppol2tp.c
+++ b/drivers/net/pppol2tp.c
@@ -1621,9 +1621,16 @@ out_no_ppp:
1621end: 1621end:
1622 release_sock(sk); 1622 release_sock(sk);
1623 1623
1624 if (error != 0) 1624 if (error != 0) {
1625 PRINTK(session ? session->debug : -1, PPPOL2TP_MSG_CONTROL, KERN_WARNING, 1625 if (session)
1626 "%s: connect failed: %d\n", session->name, error); 1626 PRINTK(session->debug,
1627 PPPOL2TP_MSG_CONTROL, KERN_WARNING,
1628 "%s: connect failed: %d\n",
1629 session->name, error);
1630 else
1631 PRINTK(-1, PPPOL2TP_MSG_CONTROL, KERN_WARNING,
1632 "connect failed: %d\n", error);
1633 }
1627 1634
1628 return error; 1635 return error;
1629} 1636}
diff --git a/drivers/net/ps3_gelic_wireless.c b/drivers/net/ps3_gelic_wireless.c
index 0d32123085e9..1dae1f2ed813 100644
--- a/drivers/net/ps3_gelic_wireless.c
+++ b/drivers/net/ps3_gelic_wireless.c
@@ -2474,6 +2474,8 @@ static void gelic_wl_free(struct gelic_wl_info *wl)
2474 2474
2475 pr_debug("%s: <-\n", __func__); 2475 pr_debug("%s: <-\n", __func__);
2476 2476
2477 free_page((unsigned long)wl->buf);
2478
2477 pr_debug("%s: destroy queues\n", __func__); 2479 pr_debug("%s: destroy queues\n", __func__);
2478 destroy_workqueue(wl->eurus_cmd_queue); 2480 destroy_workqueue(wl->eurus_cmd_queue);
2479 destroy_workqueue(wl->event_queue); 2481 destroy_workqueue(wl->event_queue);
diff --git a/drivers/net/sfc/Makefile b/drivers/net/sfc/Makefile
index 0f023447eafd..1d2daeec7ac1 100644
--- a/drivers/net/sfc/Makefile
+++ b/drivers/net/sfc/Makefile
@@ -1,5 +1,5 @@
1sfc-y += efx.o falcon.o tx.o rx.o falcon_xmac.o \ 1sfc-y += efx.o falcon.o tx.o rx.o falcon_xmac.o \
2 i2c-direct.o ethtool.o xfp_phy.o mdio_10g.o \ 2 i2c-direct.o selftest.o ethtool.o xfp_phy.o \
3 tenxpress.o boards.o sfe4001.o 3 mdio_10g.o tenxpress.o boards.o sfe4001.o
4 4
5obj-$(CONFIG_SFC) += sfc.o 5obj-$(CONFIG_SFC) += sfc.o
diff --git a/drivers/net/sfc/boards.h b/drivers/net/sfc/boards.h
index f56341d428e1..695764dc2e64 100644
--- a/drivers/net/sfc/boards.h
+++ b/drivers/net/sfc/boards.h
@@ -22,5 +22,7 @@ enum efx_board_type {
22extern int efx_set_board_info(struct efx_nic *efx, u16 revision_info); 22extern int efx_set_board_info(struct efx_nic *efx, u16 revision_info);
23extern int sfe4001_poweron(struct efx_nic *efx); 23extern int sfe4001_poweron(struct efx_nic *efx);
24extern void sfe4001_poweroff(struct efx_nic *efx); 24extern void sfe4001_poweroff(struct efx_nic *efx);
25/* Are we putting the PHY into flash config mode */
26extern unsigned int sfe4001_phy_flash_cfg;
25 27
26#endif 28#endif
diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index 59edcf793c19..418f2e53a95b 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -1873,6 +1873,7 @@ static int efx_init_struct(struct efx_nic *efx, struct efx_nic_type *type,
1873 tx_queue->queue = i; 1873 tx_queue->queue = i;
1874 tx_queue->buffer = NULL; 1874 tx_queue->buffer = NULL;
1875 tx_queue->channel = &efx->channel[0]; /* for safety */ 1875 tx_queue->channel = &efx->channel[0]; /* for safety */
1876 tx_queue->tso_headers_free = NULL;
1876 } 1877 }
1877 for (i = 0; i < EFX_MAX_RX_QUEUES; i++) { 1878 for (i = 0; i < EFX_MAX_RX_QUEUES; i++) {
1878 rx_queue = &efx->rx_queue[i]; 1879 rx_queue = &efx->rx_queue[i];
@@ -2071,7 +2072,8 @@ static int __devinit efx_pci_probe(struct pci_dev *pci_dev,
2071 net_dev = alloc_etherdev(sizeof(*efx)); 2072 net_dev = alloc_etherdev(sizeof(*efx));
2072 if (!net_dev) 2073 if (!net_dev)
2073 return -ENOMEM; 2074 return -ENOMEM;
2074 net_dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG | NETIF_F_HIGHDMA; 2075 net_dev->features |= (NETIF_F_IP_CSUM | NETIF_F_SG |
2076 NETIF_F_HIGHDMA | NETIF_F_TSO);
2075 if (lro) 2077 if (lro)
2076 net_dev->features |= NETIF_F_LRO; 2078 net_dev->features |= NETIF_F_LRO;
2077 efx = net_dev->priv; 2079 efx = net_dev->priv;
diff --git a/drivers/net/sfc/enum.h b/drivers/net/sfc/enum.h
index 43663a4619da..c53290d08e2b 100644
--- a/drivers/net/sfc/enum.h
+++ b/drivers/net/sfc/enum.h
@@ -10,6 +10,55 @@
10#ifndef EFX_ENUM_H 10#ifndef EFX_ENUM_H
11#define EFX_ENUM_H 11#define EFX_ENUM_H
12 12
13/**
14 * enum efx_loopback_mode - loopback modes
15 * @LOOPBACK_NONE: no loopback
16 * @LOOPBACK_XGMII: loopback within MAC at XGMII level
17 * @LOOPBACK_XGXS: loopback within MAC at XGXS level
18 * @LOOPBACK_XAUI: loopback within MAC at XAUI level
19 * @LOOPBACK_PHYXS: loopback within PHY at PHYXS level
20 * @LOOPBACK_PCS: loopback within PHY at PCS level
21 * @LOOPBACK_PMAPMD: loopback within PHY at PMAPMD level
22 * @LOOPBACK_NETWORK: reflecting loopback (even further than furthest!)
23 */
24/* Please keep in order and up-to-date w.r.t the following two #defines */
25enum efx_loopback_mode {
26 LOOPBACK_NONE = 0,
27 LOOPBACK_MAC = 1,
28 LOOPBACK_XGMII = 2,
29 LOOPBACK_XGXS = 3,
30 LOOPBACK_XAUI = 4,
31 LOOPBACK_PHY = 5,
32 LOOPBACK_PHYXS = 6,
33 LOOPBACK_PCS = 7,
34 LOOPBACK_PMAPMD = 8,
35 LOOPBACK_NETWORK = 9,
36 LOOPBACK_MAX
37};
38
39#define LOOPBACK_TEST_MAX LOOPBACK_PMAPMD
40
41extern const char *efx_loopback_mode_names[];
42#define LOOPBACK_MODE_NAME(mode) \
43 STRING_TABLE_LOOKUP(mode, efx_loopback_mode)
44#define LOOPBACK_MODE(efx) \
45 LOOPBACK_MODE_NAME(efx->loopback_mode)
46
47/* These loopbacks occur within the controller */
48#define LOOPBACKS_10G_INTERNAL ((1 << LOOPBACK_XGMII)| \
49 (1 << LOOPBACK_XGXS) | \
50 (1 << LOOPBACK_XAUI))
51
52#define LOOPBACK_MASK(_efx) \
53 (1 << (_efx)->loopback_mode)
54
55#define LOOPBACK_INTERNAL(_efx) \
56 ((LOOPBACKS_10G_INTERNAL & LOOPBACK_MASK(_efx)) ? 1 : 0)
57
58#define LOOPBACK_OUT_OF(_from, _to, _mask) \
59 (((LOOPBACK_MASK(_from) & (_mask)) && \
60 ((LOOPBACK_MASK(_to) & (_mask)) == 0)) ? 1 : 0)
61
13/*****************************************************************************/ 62/*****************************************************************************/
14 63
15/** 64/**
diff --git a/drivers/net/sfc/ethtool.c b/drivers/net/sfc/ethtool.c
index ad541badbd98..e2c75d101610 100644
--- a/drivers/net/sfc/ethtool.c
+++ b/drivers/net/sfc/ethtool.c
@@ -12,12 +12,26 @@
12#include <linux/ethtool.h> 12#include <linux/ethtool.h>
13#include <linux/rtnetlink.h> 13#include <linux/rtnetlink.h>
14#include "net_driver.h" 14#include "net_driver.h"
15#include "selftest.h"
15#include "efx.h" 16#include "efx.h"
16#include "ethtool.h" 17#include "ethtool.h"
17#include "falcon.h" 18#include "falcon.h"
18#include "gmii.h" 19#include "gmii.h"
19#include "mac.h" 20#include "mac.h"
20 21
22const char *efx_loopback_mode_names[] = {
23 [LOOPBACK_NONE] = "NONE",
24 [LOOPBACK_MAC] = "MAC",
25 [LOOPBACK_XGMII] = "XGMII",
26 [LOOPBACK_XGXS] = "XGXS",
27 [LOOPBACK_XAUI] = "XAUI",
28 [LOOPBACK_PHY] = "PHY",
29 [LOOPBACK_PHYXS] = "PHY(XS)",
30 [LOOPBACK_PCS] = "PHY(PCS)",
31 [LOOPBACK_PMAPMD] = "PHY(PMAPMD)",
32 [LOOPBACK_NETWORK] = "NETWORK",
33};
34
21static int efx_ethtool_set_tx_csum(struct net_device *net_dev, u32 enable); 35static int efx_ethtool_set_tx_csum(struct net_device *net_dev, u32 enable);
22 36
23struct ethtool_string { 37struct ethtool_string {
@@ -217,23 +231,179 @@ static void efx_ethtool_get_drvinfo(struct net_device *net_dev,
217 strlcpy(info->bus_info, pci_name(efx->pci_dev), sizeof(info->bus_info)); 231 strlcpy(info->bus_info, pci_name(efx->pci_dev), sizeof(info->bus_info));
218} 232}
219 233
234/**
235 * efx_fill_test - fill in an individual self-test entry
236 * @test_index: Index of the test
237 * @strings: Ethtool strings, or %NULL
238 * @data: Ethtool test results, or %NULL
239 * @test: Pointer to test result (used only if data != %NULL)
240 * @unit_format: Unit name format (e.g. "channel\%d")
241 * @unit_id: Unit id (e.g. 0 for "channel0")
242 * @test_format: Test name format (e.g. "loopback.\%s.tx.sent")
243 * @test_id: Test id (e.g. "PHY" for "loopback.PHY.tx_sent")
244 *
245 * Fill in an individual self-test entry.
246 */
247static void efx_fill_test(unsigned int test_index,
248 struct ethtool_string *strings, u64 *data,
249 int *test, const char *unit_format, int unit_id,
250 const char *test_format, const char *test_id)
251{
252 struct ethtool_string unit_str, test_str;
253
254 /* Fill data value, if applicable */
255 if (data)
256 data[test_index] = *test;
257
258 /* Fill string, if applicable */
259 if (strings) {
260 snprintf(unit_str.name, sizeof(unit_str.name),
261 unit_format, unit_id);
262 snprintf(test_str.name, sizeof(test_str.name),
263 test_format, test_id);
264 snprintf(strings[test_index].name,
265 sizeof(strings[test_index].name),
266 "%-9s%-17s", unit_str.name, test_str.name);
267 }
268}
269
270#define EFX_PORT_NAME "port%d", 0
271#define EFX_CHANNEL_NAME(_channel) "channel%d", _channel->channel
272#define EFX_TX_QUEUE_NAME(_tx_queue) "txq%d", _tx_queue->queue
273#define EFX_RX_QUEUE_NAME(_rx_queue) "rxq%d", _rx_queue->queue
274#define EFX_LOOPBACK_NAME(_mode, _counter) \
275 "loopback.%s." _counter, LOOPBACK_MODE_NAME(mode)
276
277/**
278 * efx_fill_loopback_test - fill in a block of loopback self-test entries
279 * @efx: Efx NIC
280 * @lb_tests: Efx loopback self-test results structure
281 * @mode: Loopback test mode
282 * @test_index: Starting index of the test
283 * @strings: Ethtool strings, or %NULL
284 * @data: Ethtool test results, or %NULL
285 */
286static int efx_fill_loopback_test(struct efx_nic *efx,
287 struct efx_loopback_self_tests *lb_tests,
288 enum efx_loopback_mode mode,
289 unsigned int test_index,
290 struct ethtool_string *strings, u64 *data)
291{
292 struct efx_tx_queue *tx_queue;
293
294 efx_for_each_tx_queue(tx_queue, efx) {
295 efx_fill_test(test_index++, strings, data,
296 &lb_tests->tx_sent[tx_queue->queue],
297 EFX_TX_QUEUE_NAME(tx_queue),
298 EFX_LOOPBACK_NAME(mode, "tx_sent"));
299 efx_fill_test(test_index++, strings, data,
300 &lb_tests->tx_done[tx_queue->queue],
301 EFX_TX_QUEUE_NAME(tx_queue),
302 EFX_LOOPBACK_NAME(mode, "tx_done"));
303 }
304 efx_fill_test(test_index++, strings, data,
305 &lb_tests->rx_good,
306 EFX_PORT_NAME,
307 EFX_LOOPBACK_NAME(mode, "rx_good"));
308 efx_fill_test(test_index++, strings, data,
309 &lb_tests->rx_bad,
310 EFX_PORT_NAME,
311 EFX_LOOPBACK_NAME(mode, "rx_bad"));
312
313 return test_index;
314}
315
316/**
317 * efx_ethtool_fill_self_tests - get self-test details
318 * @efx: Efx NIC
319 * @tests: Efx self-test results structure, or %NULL
320 * @strings: Ethtool strings, or %NULL
321 * @data: Ethtool test results, or %NULL
322 */
323static int efx_ethtool_fill_self_tests(struct efx_nic *efx,
324 struct efx_self_tests *tests,
325 struct ethtool_string *strings,
326 u64 *data)
327{
328 struct efx_channel *channel;
329 unsigned int n = 0;
330 enum efx_loopback_mode mode;
331
332 /* Interrupt */
333 efx_fill_test(n++, strings, data, &tests->interrupt,
334 "core", 0, "interrupt", NULL);
335
336 /* Event queues */
337 efx_for_each_channel(channel, efx) {
338 efx_fill_test(n++, strings, data,
339 &tests->eventq_dma[channel->channel],
340 EFX_CHANNEL_NAME(channel),
341 "eventq.dma", NULL);
342 efx_fill_test(n++, strings, data,
343 &tests->eventq_int[channel->channel],
344 EFX_CHANNEL_NAME(channel),
345 "eventq.int", NULL);
346 efx_fill_test(n++, strings, data,
347 &tests->eventq_poll[channel->channel],
348 EFX_CHANNEL_NAME(channel),
349 "eventq.poll", NULL);
350 }
351
352 /* PHY presence */
353 efx_fill_test(n++, strings, data, &tests->phy_ok,
354 EFX_PORT_NAME, "phy_ok", NULL);
355
356 /* Loopback tests */
357 efx_fill_test(n++, strings, data, &tests->loopback_speed,
358 EFX_PORT_NAME, "loopback.speed", NULL);
359 efx_fill_test(n++, strings, data, &tests->loopback_full_duplex,
360 EFX_PORT_NAME, "loopback.full_duplex", NULL);
361 for (mode = LOOPBACK_NONE; mode < LOOPBACK_TEST_MAX; mode++) {
362 if (!(efx->loopback_modes & (1 << mode)))
363 continue;
364 n = efx_fill_loopback_test(efx,
365 &tests->loopback[mode], mode, n,
366 strings, data);
367 }
368
369 return n;
370}
371
220static int efx_ethtool_get_stats_count(struct net_device *net_dev) 372static int efx_ethtool_get_stats_count(struct net_device *net_dev)
221{ 373{
222 return EFX_ETHTOOL_NUM_STATS; 374 return EFX_ETHTOOL_NUM_STATS;
223} 375}
224 376
377static int efx_ethtool_self_test_count(struct net_device *net_dev)
378{
379 struct efx_nic *efx = net_dev->priv;
380
381 return efx_ethtool_fill_self_tests(efx, NULL, NULL, NULL);
382}
383
225static void efx_ethtool_get_strings(struct net_device *net_dev, 384static void efx_ethtool_get_strings(struct net_device *net_dev,
226 u32 string_set, u8 *strings) 385 u32 string_set, u8 *strings)
227{ 386{
387 struct efx_nic *efx = net_dev->priv;
228 struct ethtool_string *ethtool_strings = 388 struct ethtool_string *ethtool_strings =
229 (struct ethtool_string *)strings; 389 (struct ethtool_string *)strings;
230 int i; 390 int i;
231 391
232 if (string_set == ETH_SS_STATS) 392 switch (string_set) {
393 case ETH_SS_STATS:
233 for (i = 0; i < EFX_ETHTOOL_NUM_STATS; i++) 394 for (i = 0; i < EFX_ETHTOOL_NUM_STATS; i++)
234 strncpy(ethtool_strings[i].name, 395 strncpy(ethtool_strings[i].name,
235 efx_ethtool_stats[i].name, 396 efx_ethtool_stats[i].name,
236 sizeof(ethtool_strings[i].name)); 397 sizeof(ethtool_strings[i].name));
398 break;
399 case ETH_SS_TEST:
400 efx_ethtool_fill_self_tests(efx, NULL,
401 ethtool_strings, NULL);
402 break;
403 default:
404 /* No other string sets */
405 break;
406 }
237} 407}
238 408
239static void efx_ethtool_get_stats(struct net_device *net_dev, 409static void efx_ethtool_get_stats(struct net_device *net_dev,
@@ -272,6 +442,22 @@ static void efx_ethtool_get_stats(struct net_device *net_dev,
272 } 442 }
273} 443}
274 444
445static int efx_ethtool_set_tso(struct net_device *net_dev, u32 enable)
446{
447 int rc;
448
449 /* Our TSO requires TX checksumming, so force TX checksumming
450 * on when TSO is enabled.
451 */
452 if (enable) {
453 rc = efx_ethtool_set_tx_csum(net_dev, 1);
454 if (rc)
455 return rc;
456 }
457
458 return ethtool_op_set_tso(net_dev, enable);
459}
460
275static int efx_ethtool_set_tx_csum(struct net_device *net_dev, u32 enable) 461static int efx_ethtool_set_tx_csum(struct net_device *net_dev, u32 enable)
276{ 462{
277 struct efx_nic *efx = net_dev->priv; 463 struct efx_nic *efx = net_dev->priv;
@@ -283,6 +469,15 @@ static int efx_ethtool_set_tx_csum(struct net_device *net_dev, u32 enable)
283 469
284 efx_flush_queues(efx); 470 efx_flush_queues(efx);
285 471
472 /* Our TSO requires TX checksumming, so disable TSO when
473 * checksumming is disabled
474 */
475 if (!enable) {
476 rc = efx_ethtool_set_tso(net_dev, 0);
477 if (rc)
478 return rc;
479 }
480
286 return 0; 481 return 0;
287} 482}
288 483
@@ -305,6 +500,64 @@ static u32 efx_ethtool_get_rx_csum(struct net_device *net_dev)
305 return efx->rx_checksum_enabled; 500 return efx->rx_checksum_enabled;
306} 501}
307 502
503static void efx_ethtool_self_test(struct net_device *net_dev,
504 struct ethtool_test *test, u64 *data)
505{
506 struct efx_nic *efx = net_dev->priv;
507 struct efx_self_tests efx_tests;
508 int offline, already_up;
509 int rc;
510
511 ASSERT_RTNL();
512 if (efx->state != STATE_RUNNING) {
513 rc = -EIO;
514 goto fail1;
515 }
516
517 /* We need rx buffers and interrupts. */
518 already_up = (efx->net_dev->flags & IFF_UP);
519 if (!already_up) {
520 rc = dev_open(efx->net_dev);
521 if (rc) {
522 EFX_ERR(efx, "failed opening device.\n");
523 goto fail2;
524 }
525 }
526
527 memset(&efx_tests, 0, sizeof(efx_tests));
528 offline = (test->flags & ETH_TEST_FL_OFFLINE);
529
530 /* Perform online self tests first */
531 rc = efx_online_test(efx, &efx_tests);
532 if (rc)
533 goto out;
534
535 /* Perform offline tests only if online tests passed */
536 if (offline) {
537 /* Stop the kernel from sending packets during the test. */
538 efx_stop_queue(efx);
539 rc = efx_flush_queues(efx);
540 if (!rc)
541 rc = efx_offline_test(efx, &efx_tests,
542 efx->loopback_modes);
543 efx_wake_queue(efx);
544 }
545
546 out:
547 if (!already_up)
548 dev_close(efx->net_dev);
549
550 EFX_LOG(efx, "%s all %sline self-tests\n",
551 rc == 0 ? "passed" : "failed", offline ? "off" : "on");
552
553 fail2:
554 fail1:
555 /* Fill ethtool results structures */
556 efx_ethtool_fill_self_tests(efx, &efx_tests, NULL, data);
557 if (rc)
558 test->flags |= ETH_TEST_FL_FAILED;
559}
560
308/* Restart autonegotiation */ 561/* Restart autonegotiation */
309static int efx_ethtool_nway_reset(struct net_device *net_dev) 562static int efx_ethtool_nway_reset(struct net_device *net_dev)
310{ 563{
@@ -451,8 +704,12 @@ struct ethtool_ops efx_ethtool_ops = {
451 .set_tx_csum = efx_ethtool_set_tx_csum, 704 .set_tx_csum = efx_ethtool_set_tx_csum,
452 .get_sg = ethtool_op_get_sg, 705 .get_sg = ethtool_op_get_sg,
453 .set_sg = ethtool_op_set_sg, 706 .set_sg = ethtool_op_set_sg,
707 .get_tso = ethtool_op_get_tso,
708 .set_tso = efx_ethtool_set_tso,
454 .get_flags = ethtool_op_get_flags, 709 .get_flags = ethtool_op_get_flags,
455 .set_flags = ethtool_op_set_flags, 710 .set_flags = ethtool_op_set_flags,
711 .self_test_count = efx_ethtool_self_test_count,
712 .self_test = efx_ethtool_self_test,
456 .get_strings = efx_ethtool_get_strings, 713 .get_strings = efx_ethtool_get_strings,
457 .phys_id = efx_ethtool_phys_id, 714 .phys_id = efx_ethtool_phys_id,
458 .get_stats_count = efx_ethtool_get_stats_count, 715 .get_stats_count = efx_ethtool_get_stats_count,
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index 46db549ce580..b57cc68058c0 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -1129,6 +1129,7 @@ static void falcon_handle_driver_event(struct efx_channel *channel,
1129 case RX_RECOVERY_EV_DECODE: 1129 case RX_RECOVERY_EV_DECODE:
1130 EFX_ERR(efx, "channel %d seen DRIVER RX_RESET event. " 1130 EFX_ERR(efx, "channel %d seen DRIVER RX_RESET event. "
1131 "Resetting.\n", channel->channel); 1131 "Resetting.\n", channel->channel);
1132 atomic_inc(&efx->rx_reset);
1132 efx_schedule_reset(efx, 1133 efx_schedule_reset(efx,
1133 EFX_WORKAROUND_6555(efx) ? 1134 EFX_WORKAROUND_6555(efx) ?
1134 RESET_TYPE_RX_RECOVERY : 1135 RESET_TYPE_RX_RECOVERY :
@@ -1731,7 +1732,8 @@ void falcon_drain_tx_fifo(struct efx_nic *efx)
1731 efx_oword_t temp; 1732 efx_oword_t temp;
1732 int count; 1733 int count;
1733 1734
1734 if (FALCON_REV(efx) < FALCON_REV_B0) 1735 if ((FALCON_REV(efx) < FALCON_REV_B0) ||
1736 (efx->loopback_mode != LOOPBACK_NONE))
1735 return; 1737 return;
1736 1738
1737 falcon_read(efx, &temp, MAC0_CTRL_REG_KER); 1739 falcon_read(efx, &temp, MAC0_CTRL_REG_KER);
@@ -2091,6 +2093,8 @@ static int falcon_probe_phy(struct efx_nic *efx)
2091 efx->phy_type); 2093 efx->phy_type);
2092 return -1; 2094 return -1;
2093 } 2095 }
2096
2097 efx->loopback_modes = LOOPBACKS_10G_INTERNAL | efx->phy_op->loopbacks;
2094 return 0; 2098 return 0;
2095} 2099}
2096 2100
@@ -2468,14 +2472,12 @@ int falcon_probe_nic(struct efx_nic *efx)
2468 fail5: 2472 fail5:
2469 falcon_free_buffer(efx, &efx->irq_status); 2473 falcon_free_buffer(efx, &efx->irq_status);
2470 fail4: 2474 fail4:
2471 /* fall-thru */
2472 fail3: 2475 fail3:
2473 if (nic_data->pci_dev2) { 2476 if (nic_data->pci_dev2) {
2474 pci_dev_put(nic_data->pci_dev2); 2477 pci_dev_put(nic_data->pci_dev2);
2475 nic_data->pci_dev2 = NULL; 2478 nic_data->pci_dev2 = NULL;
2476 } 2479 }
2477 fail2: 2480 fail2:
2478 /* fall-thru */
2479 fail1: 2481 fail1:
2480 kfree(efx->nic_data); 2482 kfree(efx->nic_data);
2481 return rc; 2483 return rc;
diff --git a/drivers/net/sfc/falcon_hwdefs.h b/drivers/net/sfc/falcon_hwdefs.h
index 0485a63eaff6..06e2d68fc3d1 100644
--- a/drivers/net/sfc/falcon_hwdefs.h
+++ b/drivers/net/sfc/falcon_hwdefs.h
@@ -636,6 +636,14 @@
636#define XX_HIDRVA_WIDTH 1 636#define XX_HIDRVA_WIDTH 1
637#define XX_LODRVA_LBN 8 637#define XX_LODRVA_LBN 8
638#define XX_LODRVA_WIDTH 1 638#define XX_LODRVA_WIDTH 1
639#define XX_LPBKD_LBN 3
640#define XX_LPBKD_WIDTH 1
641#define XX_LPBKC_LBN 2
642#define XX_LPBKC_WIDTH 1
643#define XX_LPBKB_LBN 1
644#define XX_LPBKB_WIDTH 1
645#define XX_LPBKA_LBN 0
646#define XX_LPBKA_WIDTH 1
639 647
640#define XX_TXDRV_CTL_REG_MAC 0x12 648#define XX_TXDRV_CTL_REG_MAC 0x12
641#define XX_DEQD_LBN 28 649#define XX_DEQD_LBN 28
@@ -656,8 +664,14 @@
656#define XX_DTXA_WIDTH 4 664#define XX_DTXA_WIDTH 4
657 665
658/* XAUI XGXS core status register */ 666/* XAUI XGXS core status register */
659#define XX_FORCE_SIG_DECODE_FORCED 0xff
660#define XX_CORE_STAT_REG_MAC 0x16 667#define XX_CORE_STAT_REG_MAC 0x16
668#define XX_FORCE_SIG_LBN 24
669#define XX_FORCE_SIG_WIDTH 8
670#define XX_FORCE_SIG_DECODE_FORCED 0xff
671#define XX_XGXS_LB_EN_LBN 23
672#define XX_XGXS_LB_EN_WIDTH 1
673#define XX_XGMII_LB_EN_LBN 22
674#define XX_XGMII_LB_EN_WIDTH 1
661#define XX_ALIGN_DONE_LBN 20 675#define XX_ALIGN_DONE_LBN 20
662#define XX_ALIGN_DONE_WIDTH 1 676#define XX_ALIGN_DONE_WIDTH 1
663#define XX_SYNC_STAT_LBN 16 677#define XX_SYNC_STAT_LBN 16
diff --git a/drivers/net/sfc/falcon_xmac.c b/drivers/net/sfc/falcon_xmac.c
index aa7521b24a5d..a74b7931a3c4 100644
--- a/drivers/net/sfc/falcon_xmac.c
+++ b/drivers/net/sfc/falcon_xmac.c
@@ -32,7 +32,7 @@
32 (FALCON_XMAC_REGBANK + ((mac_reg) * FALCON_XMAC_REG_SIZE)) 32 (FALCON_XMAC_REGBANK + ((mac_reg) * FALCON_XMAC_REG_SIZE))
33 33
34void falcon_xmac_writel(struct efx_nic *efx, 34void falcon_xmac_writel(struct efx_nic *efx,
35 efx_dword_t *value, unsigned int mac_reg) 35 efx_dword_t *value, unsigned int mac_reg)
36{ 36{
37 efx_oword_t temp; 37 efx_oword_t temp;
38 38
@@ -69,6 +69,10 @@ static int falcon_reset_xmac(struct efx_nic *efx)
69 udelay(10); 69 udelay(10);
70 } 70 }
71 71
72 /* This often fails when DSP is disabled, ignore it */
73 if (sfe4001_phy_flash_cfg != 0)
74 return 0;
75
72 EFX_ERR(efx, "timed out waiting for XMAC core reset\n"); 76 EFX_ERR(efx, "timed out waiting for XMAC core reset\n");
73 return -ETIMEDOUT; 77 return -ETIMEDOUT;
74} 78}
@@ -223,7 +227,7 @@ static int falcon_xgmii_status(struct efx_nic *efx)
223 /* The ISR latches, so clear it and re-read */ 227 /* The ISR latches, so clear it and re-read */
224 falcon_xmac_readl(efx, &reg, XM_MGT_INT_REG_MAC_B0); 228 falcon_xmac_readl(efx, &reg, XM_MGT_INT_REG_MAC_B0);
225 falcon_xmac_readl(efx, &reg, XM_MGT_INT_REG_MAC_B0); 229 falcon_xmac_readl(efx, &reg, XM_MGT_INT_REG_MAC_B0);
226 230
227 if (EFX_DWORD_FIELD(reg, XM_LCLFLT) || 231 if (EFX_DWORD_FIELD(reg, XM_LCLFLT) ||
228 EFX_DWORD_FIELD(reg, XM_RMTFLT)) { 232 EFX_DWORD_FIELD(reg, XM_RMTFLT)) {
229 EFX_INFO(efx, "MGT_INT: "EFX_DWORD_FMT"\n", EFX_DWORD_VAL(reg)); 233 EFX_INFO(efx, "MGT_INT: "EFX_DWORD_FMT"\n", EFX_DWORD_VAL(reg));
@@ -237,7 +241,7 @@ static void falcon_mask_status_intr(struct efx_nic *efx, int enable)
237{ 241{
238 efx_dword_t reg; 242 efx_dword_t reg;
239 243
240 if (FALCON_REV(efx) < FALCON_REV_B0) 244 if ((FALCON_REV(efx) < FALCON_REV_B0) || LOOPBACK_INTERNAL(efx))
241 return; 245 return;
242 246
243 /* Flush the ISR */ 247 /* Flush the ISR */
@@ -284,6 +288,9 @@ int falcon_xaui_link_ok(struct efx_nic *efx)
284 efx_dword_t reg; 288 efx_dword_t reg;
285 int align_done, sync_status, link_ok = 0; 289 int align_done, sync_status, link_ok = 0;
286 290
291 if (LOOPBACK_INTERNAL(efx))
292 return 1;
293
287 /* Read link status */ 294 /* Read link status */
288 falcon_xmac_readl(efx, &reg, XX_CORE_STAT_REG_MAC); 295 falcon_xmac_readl(efx, &reg, XX_CORE_STAT_REG_MAC);
289 296
@@ -374,6 +381,61 @@ static void falcon_reconfigure_xmac_core(struct efx_nic *efx)
374 falcon_xmac_writel(efx, &reg, XM_ADR_HI_REG_MAC); 381 falcon_xmac_writel(efx, &reg, XM_ADR_HI_REG_MAC);
375} 382}
376 383
384static void falcon_reconfigure_xgxs_core(struct efx_nic *efx)
385{
386 efx_dword_t reg;
387 int xgxs_loopback = (efx->loopback_mode == LOOPBACK_XGXS) ? 1 : 0;
388 int xaui_loopback = (efx->loopback_mode == LOOPBACK_XAUI) ? 1 : 0;
389 int xgmii_loopback =
390 (efx->loopback_mode == LOOPBACK_XGMII) ? 1 : 0;
391
392 /* XGXS block is flaky and will need to be reset if moving
393 * into our out of XGMII, XGXS or XAUI loopbacks. */
394 if (EFX_WORKAROUND_5147(efx)) {
395 int old_xgmii_loopback, old_xgxs_loopback, old_xaui_loopback;
396 int reset_xgxs;
397
398 falcon_xmac_readl(efx, &reg, XX_CORE_STAT_REG_MAC);
399 old_xgxs_loopback = EFX_DWORD_FIELD(reg, XX_XGXS_LB_EN);
400 old_xgmii_loopback = EFX_DWORD_FIELD(reg, XX_XGMII_LB_EN);
401
402 falcon_xmac_readl(efx, &reg, XX_SD_CTL_REG_MAC);
403 old_xaui_loopback = EFX_DWORD_FIELD(reg, XX_LPBKA);
404
405 /* The PHY driver may have turned XAUI off */
406 reset_xgxs = ((xgxs_loopback != old_xgxs_loopback) ||
407 (xaui_loopback != old_xaui_loopback) ||
408 (xgmii_loopback != old_xgmii_loopback));
409 if (reset_xgxs) {
410 falcon_xmac_readl(efx, &reg, XX_PWR_RST_REG_MAC);
411 EFX_SET_DWORD_FIELD(reg, XX_RSTXGXSTX_EN, 1);
412 EFX_SET_DWORD_FIELD(reg, XX_RSTXGXSRX_EN, 1);
413 falcon_xmac_writel(efx, &reg, XX_PWR_RST_REG_MAC);
414 udelay(1);
415 EFX_SET_DWORD_FIELD(reg, XX_RSTXGXSTX_EN, 0);
416 EFX_SET_DWORD_FIELD(reg, XX_RSTXGXSRX_EN, 0);
417 falcon_xmac_writel(efx, &reg, XX_PWR_RST_REG_MAC);
418 udelay(1);
419 }
420 }
421
422 falcon_xmac_readl(efx, &reg, XX_CORE_STAT_REG_MAC);
423 EFX_SET_DWORD_FIELD(reg, XX_FORCE_SIG,
424 (xgxs_loopback || xaui_loopback) ?
425 XX_FORCE_SIG_DECODE_FORCED : 0);
426 EFX_SET_DWORD_FIELD(reg, XX_XGXS_LB_EN, xgxs_loopback);
427 EFX_SET_DWORD_FIELD(reg, XX_XGMII_LB_EN, xgmii_loopback);
428 falcon_xmac_writel(efx, &reg, XX_CORE_STAT_REG_MAC);
429
430 falcon_xmac_readl(efx, &reg, XX_SD_CTL_REG_MAC);
431 EFX_SET_DWORD_FIELD(reg, XX_LPBKD, xaui_loopback);
432 EFX_SET_DWORD_FIELD(reg, XX_LPBKC, xaui_loopback);
433 EFX_SET_DWORD_FIELD(reg, XX_LPBKB, xaui_loopback);
434 EFX_SET_DWORD_FIELD(reg, XX_LPBKA, xaui_loopback);
435 falcon_xmac_writel(efx, &reg, XX_SD_CTL_REG_MAC);
436}
437
438
377/* Try and bring the Falcon side of the Falcon-Phy XAUI link fails 439/* Try and bring the Falcon side of the Falcon-Phy XAUI link fails
378 * to come back up. Bash it until it comes back up */ 440 * to come back up. Bash it until it comes back up */
379static int falcon_check_xaui_link_up(struct efx_nic *efx) 441static int falcon_check_xaui_link_up(struct efx_nic *efx)
@@ -382,7 +444,8 @@ static int falcon_check_xaui_link_up(struct efx_nic *efx)
382 tries = EFX_WORKAROUND_5147(efx) ? 5 : 1; 444 tries = EFX_WORKAROUND_5147(efx) ? 5 : 1;
383 max_tries = tries; 445 max_tries = tries;
384 446
385 if (efx->phy_type == PHY_TYPE_NONE) 447 if ((efx->loopback_mode == LOOPBACK_NETWORK) ||
448 (efx->phy_type == PHY_TYPE_NONE))
386 return 0; 449 return 0;
387 450
388 while (tries) { 451 while (tries) {
@@ -408,8 +471,13 @@ void falcon_reconfigure_xmac(struct efx_nic *efx)
408 falcon_mask_status_intr(efx, 0); 471 falcon_mask_status_intr(efx, 0);
409 472
410 falcon_deconfigure_mac_wrapper(efx); 473 falcon_deconfigure_mac_wrapper(efx);
474
475 efx->tx_disabled = LOOPBACK_INTERNAL(efx);
411 efx->phy_op->reconfigure(efx); 476 efx->phy_op->reconfigure(efx);
477
478 falcon_reconfigure_xgxs_core(efx);
412 falcon_reconfigure_xmac_core(efx); 479 falcon_reconfigure_xmac_core(efx);
480
413 falcon_reconfigure_mac_wrapper(efx); 481 falcon_reconfigure_mac_wrapper(efx);
414 482
415 /* Ensure XAUI link is up */ 483 /* Ensure XAUI link is up */
@@ -491,13 +559,15 @@ void falcon_update_stats_xmac(struct efx_nic *efx)
491 (mac_stats->rx_bytes - mac_stats->rx_good_bytes); 559 (mac_stats->rx_bytes - mac_stats->rx_good_bytes);
492} 560}
493 561
494#define EFX_XAUI_RETRAIN_MAX 8
495
496int falcon_check_xmac(struct efx_nic *efx) 562int falcon_check_xmac(struct efx_nic *efx)
497{ 563{
498 unsigned xaui_link_ok; 564 unsigned xaui_link_ok;
499 int rc; 565 int rc;
500 566
567 if ((efx->loopback_mode == LOOPBACK_NETWORK) ||
568 (efx->phy_type == PHY_TYPE_NONE))
569 return 0;
570
501 falcon_mask_status_intr(efx, 0); 571 falcon_mask_status_intr(efx, 0);
502 xaui_link_ok = falcon_xaui_link_ok(efx); 572 xaui_link_ok = falcon_xaui_link_ok(efx);
503 573
diff --git a/drivers/net/sfc/mdio_10g.c b/drivers/net/sfc/mdio_10g.c
index dc06bb0aa575..c4f540e93b79 100644
--- a/drivers/net/sfc/mdio_10g.c
+++ b/drivers/net/sfc/mdio_10g.c
@@ -44,6 +44,9 @@ static int mdio_clause45_check_mmd(struct efx_nic *efx, int mmd,
44 int status; 44 int status;
45 int phy_id = efx->mii.phy_id; 45 int phy_id = efx->mii.phy_id;
46 46
47 if (LOOPBACK_INTERNAL(efx))
48 return 0;
49
47 /* Read MMD STATUS2 to check it is responding. */ 50 /* Read MMD STATUS2 to check it is responding. */
48 status = mdio_clause45_read(efx, phy_id, mmd, MDIO_MMDREG_STAT2); 51 status = mdio_clause45_read(efx, phy_id, mmd, MDIO_MMDREG_STAT2);
49 if (((status >> MDIO_MMDREG_STAT2_PRESENT_LBN) & 52 if (((status >> MDIO_MMDREG_STAT2_PRESENT_LBN) &
@@ -164,6 +167,22 @@ int mdio_clause45_links_ok(struct efx_nic *efx, unsigned int mmd_mask)
164 int mmd = 0; 167 int mmd = 0;
165 int good; 168 int good;
166 169
170 /* If the port is in loopback, then we should only consider a subset
171 * of mmd's */
172 if (LOOPBACK_INTERNAL(efx))
173 return 1;
174 else if (efx->loopback_mode == LOOPBACK_NETWORK)
175 return 0;
176 else if (efx->loopback_mode == LOOPBACK_PHYXS)
177 mmd_mask &= ~(MDIO_MMDREG_DEVS0_PHYXS |
178 MDIO_MMDREG_DEVS0_PCS |
179 MDIO_MMDREG_DEVS0_PMAPMD);
180 else if (efx->loopback_mode == LOOPBACK_PCS)
181 mmd_mask &= ~(MDIO_MMDREG_DEVS0_PCS |
182 MDIO_MMDREG_DEVS0_PMAPMD);
183 else if (efx->loopback_mode == LOOPBACK_PMAPMD)
184 mmd_mask &= ~MDIO_MMDREG_DEVS0_PMAPMD;
185
167 while (mmd_mask) { 186 while (mmd_mask) {
168 if (mmd_mask & 1) { 187 if (mmd_mask & 1) {
169 /* Double reads because link state is latched, and a 188 /* Double reads because link state is latched, and a
@@ -182,6 +201,65 @@ int mdio_clause45_links_ok(struct efx_nic *efx, unsigned int mmd_mask)
182 return ok; 201 return ok;
183} 202}
184 203
204void mdio_clause45_transmit_disable(struct efx_nic *efx)
205{
206 int phy_id = efx->mii.phy_id;
207 int ctrl1, ctrl2;
208
209 ctrl1 = ctrl2 = mdio_clause45_read(efx, phy_id, MDIO_MMD_PMAPMD,
210 MDIO_MMDREG_TXDIS);
211 if (efx->tx_disabled)
212 ctrl2 |= (1 << MDIO_MMDREG_TXDIS_GLOBAL_LBN);
213 else
214 ctrl1 &= ~(1 << MDIO_MMDREG_TXDIS_GLOBAL_LBN);
215 if (ctrl1 != ctrl2)
216 mdio_clause45_write(efx, phy_id, MDIO_MMD_PMAPMD,
217 MDIO_MMDREG_TXDIS, ctrl2);
218}
219
220void mdio_clause45_phy_reconfigure(struct efx_nic *efx)
221{
222 int phy_id = efx->mii.phy_id;
223 int ctrl1, ctrl2;
224
225 /* Handle (with debouncing) PMA/PMD loopback */
226 ctrl1 = ctrl2 = mdio_clause45_read(efx, phy_id, MDIO_MMD_PMAPMD,
227 MDIO_MMDREG_CTRL1);
228
229 if (efx->loopback_mode == LOOPBACK_PMAPMD)
230 ctrl2 |= (1 << MDIO_PMAPMD_CTRL1_LBACK_LBN);
231 else
232 ctrl2 &= ~(1 << MDIO_PMAPMD_CTRL1_LBACK_LBN);
233
234 if (ctrl1 != ctrl2)
235 mdio_clause45_write(efx, phy_id, MDIO_MMD_PMAPMD,
236 MDIO_MMDREG_CTRL1, ctrl2);
237
238 /* Handle (with debouncing) PCS loopback */
239 ctrl1 = ctrl2 = mdio_clause45_read(efx, phy_id, MDIO_MMD_PCS,
240 MDIO_MMDREG_CTRL1);
241 if (efx->loopback_mode == LOOPBACK_PCS)
242 ctrl2 |= (1 << MDIO_MMDREG_CTRL1_LBACK_LBN);
243 else
244 ctrl2 &= ~(1 << MDIO_MMDREG_CTRL1_LBACK_LBN);
245
246 if (ctrl1 != ctrl2)
247 mdio_clause45_write(efx, phy_id, MDIO_MMD_PCS,
248 MDIO_MMDREG_CTRL1, ctrl2);
249
250 /* Handle (with debouncing) PHYXS network loopback */
251 ctrl1 = ctrl2 = mdio_clause45_read(efx, phy_id, MDIO_MMD_PHYXS,
252 MDIO_MMDREG_CTRL1);
253 if (efx->loopback_mode == LOOPBACK_NETWORK)
254 ctrl2 |= (1 << MDIO_MMDREG_CTRL1_LBACK_LBN);
255 else
256 ctrl2 &= ~(1 << MDIO_MMDREG_CTRL1_LBACK_LBN);
257
258 if (ctrl1 != ctrl2)
259 mdio_clause45_write(efx, phy_id, MDIO_MMD_PHYXS,
260 MDIO_MMDREG_CTRL1, ctrl2);
261}
262
185/** 263/**
186 * mdio_clause45_get_settings - Read (some of) the PHY settings over MDIO. 264 * mdio_clause45_get_settings - Read (some of) the PHY settings over MDIO.
187 * @efx: Efx NIC 265 * @efx: Efx NIC
diff --git a/drivers/net/sfc/mdio_10g.h b/drivers/net/sfc/mdio_10g.h
index 2214b6d820a7..cb99f3f4491c 100644
--- a/drivers/net/sfc/mdio_10g.h
+++ b/drivers/net/sfc/mdio_10g.h
@@ -44,11 +44,16 @@
44#define MDIO_MMDREG_DEVS1 (6) 44#define MDIO_MMDREG_DEVS1 (6)
45#define MDIO_MMDREG_CTRL2 (7) 45#define MDIO_MMDREG_CTRL2 (7)
46#define MDIO_MMDREG_STAT2 (8) 46#define MDIO_MMDREG_STAT2 (8)
47#define MDIO_MMDREG_TXDIS (9)
47 48
48/* Bits in MMDREG_CTRL1 */ 49/* Bits in MMDREG_CTRL1 */
49/* Reset */ 50/* Reset */
50#define MDIO_MMDREG_CTRL1_RESET_LBN (15) 51#define MDIO_MMDREG_CTRL1_RESET_LBN (15)
51#define MDIO_MMDREG_CTRL1_RESET_WIDTH (1) 52#define MDIO_MMDREG_CTRL1_RESET_WIDTH (1)
53/* Loopback */
54/* Loopback bit for WIS, PCS, PHYSX and DTEXS */
55#define MDIO_MMDREG_CTRL1_LBACK_LBN (14)
56#define MDIO_MMDREG_CTRL1_LBACK_WIDTH (1)
52 57
53/* Bits in MMDREG_STAT1 */ 58/* Bits in MMDREG_STAT1 */
54#define MDIO_MMDREG_STAT1_FAULT_LBN (7) 59#define MDIO_MMDREG_STAT1_FAULT_LBN (7)
@@ -56,6 +61,9 @@
56/* Link state */ 61/* Link state */
57#define MDIO_MMDREG_STAT1_LINK_LBN (2) 62#define MDIO_MMDREG_STAT1_LINK_LBN (2)
58#define MDIO_MMDREG_STAT1_LINK_WIDTH (1) 63#define MDIO_MMDREG_STAT1_LINK_WIDTH (1)
64/* Low power ability */
65#define MDIO_MMDREG_STAT1_LPABLE_LBN (1)
66#define MDIO_MMDREG_STAT1_LPABLE_WIDTH (1)
59 67
60/* Bits in ID reg */ 68/* Bits in ID reg */
61#define MDIO_ID_REV(_id32) (_id32 & 0xf) 69#define MDIO_ID_REV(_id32) (_id32 & 0xf)
@@ -76,6 +84,14 @@
76#define MDIO_MMDREG_STAT2_PRESENT_LBN (14) 84#define MDIO_MMDREG_STAT2_PRESENT_LBN (14)
77#define MDIO_MMDREG_STAT2_PRESENT_WIDTH (2) 85#define MDIO_MMDREG_STAT2_PRESENT_WIDTH (2)
78 86
87/* Bits in MMDREG_TXDIS */
88#define MDIO_MMDREG_TXDIS_GLOBAL_LBN (0)
89#define MDIO_MMDREG_TXDIS_GLOBAL_WIDTH (1)
90
91/* MMD-specific bits, ordered by MMD, then register */
92#define MDIO_PMAPMD_CTRL1_LBACK_LBN (0)
93#define MDIO_PMAPMD_CTRL1_LBACK_WIDTH (1)
94
79/* PMA type (4 bits) */ 95/* PMA type (4 bits) */
80#define MDIO_PMAPMD_CTRL2_10G_CX4 (0x0) 96#define MDIO_PMAPMD_CTRL2_10G_CX4 (0x0)
81#define MDIO_PMAPMD_CTRL2_10G_EW (0x1) 97#define MDIO_PMAPMD_CTRL2_10G_EW (0x1)
@@ -95,7 +111,7 @@
95#define MDIO_PMAPMD_CTRL2_10_BT (0xf) 111#define MDIO_PMAPMD_CTRL2_10_BT (0xf)
96#define MDIO_PMAPMD_CTRL2_TYPE_MASK (0xf) 112#define MDIO_PMAPMD_CTRL2_TYPE_MASK (0xf)
97 113
98/* /\* PHY XGXS lane state *\/ */ 114/* PHY XGXS lane state */
99#define MDIO_PHYXS_LANE_STATE (0x18) 115#define MDIO_PHYXS_LANE_STATE (0x18)
100#define MDIO_PHYXS_LANE_ALIGNED_LBN (12) 116#define MDIO_PHYXS_LANE_ALIGNED_LBN (12)
101 117
@@ -217,6 +233,12 @@ int mdio_clause45_check_mmds(struct efx_nic *efx,
217extern int mdio_clause45_links_ok(struct efx_nic *efx, 233extern int mdio_clause45_links_ok(struct efx_nic *efx,
218 unsigned int mmd_mask); 234 unsigned int mmd_mask);
219 235
236/* Generic transmit disable support though PMAPMD */
237extern void mdio_clause45_transmit_disable(struct efx_nic *efx);
238
239/* Generic part of reconfigure: set/clear loopback bits */
240extern void mdio_clause45_phy_reconfigure(struct efx_nic *efx);
241
220/* Read (some of) the PHY settings over MDIO */ 242/* Read (some of) the PHY settings over MDIO */
221extern void mdio_clause45_get_settings(struct efx_nic *efx, 243extern void mdio_clause45_get_settings(struct efx_nic *efx,
222 struct ethtool_cmd *ecmd); 244 struct ethtool_cmd *ecmd);
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index c505482c2520..59f261b4171f 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -134,6 +134,8 @@ struct efx_special_buffer {
134 * Set only on the final fragment of a packet; %NULL for all other 134 * Set only on the final fragment of a packet; %NULL for all other
135 * fragments. When this fragment completes, then we can free this 135 * fragments. When this fragment completes, then we can free this
136 * skb. 136 * skb.
137 * @tsoh: The associated TSO header structure, or %NULL if this
138 * buffer is not a TSO header.
137 * @dma_addr: DMA address of the fragment. 139 * @dma_addr: DMA address of the fragment.
138 * @len: Length of this fragment. 140 * @len: Length of this fragment.
139 * This field is zero when the queue slot is empty. 141 * This field is zero when the queue slot is empty.
@@ -144,6 +146,7 @@ struct efx_special_buffer {
144 */ 146 */
145struct efx_tx_buffer { 147struct efx_tx_buffer {
146 const struct sk_buff *skb; 148 const struct sk_buff *skb;
149 struct efx_tso_header *tsoh;
147 dma_addr_t dma_addr; 150 dma_addr_t dma_addr;
148 unsigned short len; 151 unsigned short len;
149 unsigned char continuation; 152 unsigned char continuation;
@@ -187,6 +190,13 @@ struct efx_tx_buffer {
187 * variable indicates that the queue is full. This is to 190 * variable indicates that the queue is full. This is to
188 * avoid cache-line ping-pong between the xmit path and the 191 * avoid cache-line ping-pong between the xmit path and the
189 * completion path. 192 * completion path.
193 * @tso_headers_free: A list of TSO headers allocated for this TX queue
194 * that are not in use, and so available for new TSO sends. The list
195 * is protected by the TX queue lock.
196 * @tso_bursts: Number of times TSO xmit invoked by kernel
197 * @tso_long_headers: Number of packets with headers too long for standard
198 * blocks
199 * @tso_packets: Number of packets via the TSO xmit path
190 */ 200 */
191struct efx_tx_queue { 201struct efx_tx_queue {
192 /* Members which don't change on the fast path */ 202 /* Members which don't change on the fast path */
@@ -206,6 +216,10 @@ struct efx_tx_queue {
206 unsigned int insert_count ____cacheline_aligned_in_smp; 216 unsigned int insert_count ____cacheline_aligned_in_smp;
207 unsigned int write_count; 217 unsigned int write_count;
208 unsigned int old_read_count; 218 unsigned int old_read_count;
219 struct efx_tso_header *tso_headers_free;
220 unsigned int tso_bursts;
221 unsigned int tso_long_headers;
222 unsigned int tso_packets;
209}; 223};
210 224
211/** 225/**
@@ -434,6 +448,9 @@ struct efx_board {
434 struct efx_blinker blinker; 448 struct efx_blinker blinker;
435}; 449};
436 450
451#define STRING_TABLE_LOOKUP(val, member) \
452 member ## _names[val]
453
437enum efx_int_mode { 454enum efx_int_mode {
438 /* Be careful if altering to correct macro below */ 455 /* Be careful if altering to correct macro below */
439 EFX_INT_MODE_MSIX = 0, 456 EFX_INT_MODE_MSIX = 0,
@@ -506,6 +523,7 @@ enum efx_fc_type {
506 * @check_hw: Check hardware 523 * @check_hw: Check hardware
507 * @reset_xaui: Reset XAUI side of PHY for (software sequenced reset) 524 * @reset_xaui: Reset XAUI side of PHY for (software sequenced reset)
508 * @mmds: MMD presence mask 525 * @mmds: MMD presence mask
526 * @loopbacks: Supported loopback modes mask
509 */ 527 */
510struct efx_phy_operations { 528struct efx_phy_operations {
511 int (*init) (struct efx_nic *efx); 529 int (*init) (struct efx_nic *efx);
@@ -515,6 +533,7 @@ struct efx_phy_operations {
515 int (*check_hw) (struct efx_nic *efx); 533 int (*check_hw) (struct efx_nic *efx);
516 void (*reset_xaui) (struct efx_nic *efx); 534 void (*reset_xaui) (struct efx_nic *efx);
517 int mmds; 535 int mmds;
536 unsigned loopbacks;
518}; 537};
519 538
520/* 539/*
@@ -653,7 +672,6 @@ union efx_multicast_hash {
653 * @phy_op: PHY interface 672 * @phy_op: PHY interface
654 * @phy_data: PHY private data (including PHY-specific stats) 673 * @phy_data: PHY private data (including PHY-specific stats)
655 * @mii: PHY interface 674 * @mii: PHY interface
656 * @phy_powered: PHY power state
657 * @tx_disabled: PHY transmitter turned off 675 * @tx_disabled: PHY transmitter turned off
658 * @link_up: Link status 676 * @link_up: Link status
659 * @link_options: Link options (MII/GMII format) 677 * @link_options: Link options (MII/GMII format)
@@ -662,6 +680,9 @@ union efx_multicast_hash {
662 * @multicast_hash: Multicast hash table 680 * @multicast_hash: Multicast hash table
663 * @flow_control: Flow control flags - separate RX/TX so can't use link_options 681 * @flow_control: Flow control flags - separate RX/TX so can't use link_options
664 * @reconfigure_work: work item for dealing with PHY events 682 * @reconfigure_work: work item for dealing with PHY events
683 * @loopback_mode: Loopback status
684 * @loopback_modes: Supported loopback mode bitmask
685 * @loopback_selftest: Offline self-test private state
665 * 686 *
666 * The @priv field of the corresponding &struct net_device points to 687 * The @priv field of the corresponding &struct net_device points to
667 * this. 688 * this.
@@ -721,6 +742,7 @@ struct efx_nic {
721 struct efx_phy_operations *phy_op; 742 struct efx_phy_operations *phy_op;
722 void *phy_data; 743 void *phy_data;
723 struct mii_if_info mii; 744 struct mii_if_info mii;
745 unsigned tx_disabled;
724 746
725 int link_up; 747 int link_up;
726 unsigned int link_options; 748 unsigned int link_options;
@@ -732,6 +754,10 @@ struct efx_nic {
732 struct work_struct reconfigure_work; 754 struct work_struct reconfigure_work;
733 755
734 atomic_t rx_reset; 756 atomic_t rx_reset;
757 enum efx_loopback_mode loopback_mode;
758 unsigned int loopback_modes;
759
760 void *loopback_selftest;
735}; 761};
736 762
737/** 763/**
diff --git a/drivers/net/sfc/rx.c b/drivers/net/sfc/rx.c
index 551299b462ae..670622373ddf 100644
--- a/drivers/net/sfc/rx.c
+++ b/drivers/net/sfc/rx.c
@@ -19,6 +19,7 @@
19#include "rx.h" 19#include "rx.h"
20#include "efx.h" 20#include "efx.h"
21#include "falcon.h" 21#include "falcon.h"
22#include "selftest.h"
22#include "workarounds.h" 23#include "workarounds.h"
23 24
24/* Number of RX descriptors pushed at once. */ 25/* Number of RX descriptors pushed at once. */
@@ -683,6 +684,15 @@ void __efx_rx_packet(struct efx_channel *channel,
683 struct sk_buff *skb; 684 struct sk_buff *skb;
684 int lro = efx->net_dev->features & NETIF_F_LRO; 685 int lro = efx->net_dev->features & NETIF_F_LRO;
685 686
687 /* If we're in loopback test, then pass the packet directly to the
688 * loopback layer, and free the rx_buf here
689 */
690 if (unlikely(efx->loopback_selftest)) {
691 efx_loopback_rx_packet(efx, rx_buf->data, rx_buf->len);
692 efx_free_rx_buffer(efx, rx_buf);
693 goto done;
694 }
695
686 if (rx_buf->skb) { 696 if (rx_buf->skb) {
687 prefetch(skb_shinfo(rx_buf->skb)); 697 prefetch(skb_shinfo(rx_buf->skb));
688 698
@@ -736,7 +746,6 @@ void __efx_rx_packet(struct efx_channel *channel,
736 /* Update allocation strategy method */ 746 /* Update allocation strategy method */
737 channel->rx_alloc_level += RX_ALLOC_FACTOR_SKB; 747 channel->rx_alloc_level += RX_ALLOC_FACTOR_SKB;
738 748
739 /* fall-thru */
740done: 749done:
741 efx->net_dev->last_rx = jiffies; 750 efx->net_dev->last_rx = jiffies;
742} 751}
diff --git a/drivers/net/sfc/selftest.c b/drivers/net/sfc/selftest.c
new file mode 100644
index 000000000000..cbda15946e8f
--- /dev/null
+++ b/drivers/net/sfc/selftest.c
@@ -0,0 +1,717 @@
1/****************************************************************************
2 * Driver for Solarflare Solarstorm network controllers and boards
3 * Copyright 2005-2006 Fen Systems Ltd.
4 * Copyright 2006-2008 Solarflare Communications Inc.
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 as published
8 * by the Free Software Foundation, incorporated herein by reference.
9 */
10
11#include <linux/netdevice.h>
12#include <linux/module.h>
13#include <linux/delay.h>
14#include <linux/kernel_stat.h>
15#include <linux/pci.h>
16#include <linux/ethtool.h>
17#include <linux/ip.h>
18#include <linux/in.h>
19#include <linux/udp.h>
20#include <linux/rtnetlink.h>
21#include <asm/io.h>
22#include "net_driver.h"
23#include "ethtool.h"
24#include "efx.h"
25#include "falcon.h"
26#include "selftest.h"
27#include "boards.h"
28#include "workarounds.h"
29#include "mac.h"
30
31/*
32 * Loopback test packet structure
33 *
34 * The self-test should stress every RSS vector, and unfortunately
35 * Falcon only performs RSS on TCP/UDP packets.
36 */
37struct efx_loopback_payload {
38 struct ethhdr header;
39 struct iphdr ip;
40 struct udphdr udp;
41 __be16 iteration;
42 const char msg[64];
43} __attribute__ ((packed));
44
45/* Loopback test source MAC address */
46static const unsigned char payload_source[ETH_ALEN] = {
47 0x00, 0x0f, 0x53, 0x1b, 0x1b, 0x1b,
48};
49
50static const char *payload_msg =
51 "Hello world! This is an Efx loopback test in progress!";
52
53/**
54 * efx_selftest_state - persistent state during a selftest
55 * @flush: Drop all packets in efx_loopback_rx_packet
56 * @packet_count: Number of packets being used in this test
57 * @skbs: An array of skbs transmitted
58 * @rx_good: RX good packet count
59 * @rx_bad: RX bad packet count
60 * @payload: Payload used in tests
61 */
62struct efx_selftest_state {
63 int flush;
64 int packet_count;
65 struct sk_buff **skbs;
66 atomic_t rx_good;
67 atomic_t rx_bad;
68 struct efx_loopback_payload payload;
69};
70
71/**************************************************************************
72 *
73 * Configurable values
74 *
75 **************************************************************************/
76
77/* Level of loopback testing
78 *
79 * The maximum packet burst length is 16**(n-1), i.e.
80 *
81 * - Level 0 : no packets
82 * - Level 1 : 1 packet
83 * - Level 2 : 17 packets (1 * 1 packet, 1 * 16 packets)
84 * - Level 3 : 273 packets (1 * 1 packet, 1 * 16 packet, 1 * 256 packets)
85 *
86 */
87static unsigned int loopback_test_level = 3;
88
89/**************************************************************************
90 *
91 * Interrupt and event queue testing
92 *
93 **************************************************************************/
94
95/* Test generation and receipt of interrupts */
96static int efx_test_interrupts(struct efx_nic *efx,
97 struct efx_self_tests *tests)
98{
99 struct efx_channel *channel;
100
101 EFX_LOG(efx, "testing interrupts\n");
102 tests->interrupt = -1;
103
104 /* Reset interrupt flag */
105 efx->last_irq_cpu = -1;
106 smp_wmb();
107
108 /* ACK each interrupting event queue. Receiving an interrupt due to
109 * traffic before a test event is raised is considered a pass */
110 efx_for_each_channel_with_interrupt(channel, efx) {
111 if (channel->work_pending)
112 efx_process_channel_now(channel);
113 if (efx->last_irq_cpu >= 0)
114 goto success;
115 }
116
117 falcon_generate_interrupt(efx);
118
119 /* Wait for arrival of test interrupt. */
120 EFX_LOG(efx, "waiting for test interrupt\n");
121 schedule_timeout_uninterruptible(HZ / 10);
122 if (efx->last_irq_cpu >= 0)
123 goto success;
124
125 EFX_ERR(efx, "timed out waiting for interrupt\n");
126 return -ETIMEDOUT;
127
128 success:
129 EFX_LOG(efx, "test interrupt (mode %d) seen on CPU%d\n",
130 efx->interrupt_mode, efx->last_irq_cpu);
131 tests->interrupt = 1;
132 return 0;
133}
134
135/* Test generation and receipt of non-interrupting events */
136static int efx_test_eventq(struct efx_channel *channel,
137 struct efx_self_tests *tests)
138{
139 unsigned int magic;
140
141 /* Channel specific code, limited to 20 bits */
142 magic = (0x00010150 + channel->channel);
143 EFX_LOG(channel->efx, "channel %d testing event queue with code %x\n",
144 channel->channel, magic);
145
146 tests->eventq_dma[channel->channel] = -1;
147 tests->eventq_int[channel->channel] = 1; /* fake pass */
148 tests->eventq_poll[channel->channel] = 1; /* fake pass */
149
150 /* Reset flag and zero magic word */
151 channel->efx->last_irq_cpu = -1;
152 channel->eventq_magic = 0;
153 smp_wmb();
154
155 falcon_generate_test_event(channel, magic);
156 udelay(1);
157
158 efx_process_channel_now(channel);
159 if (channel->eventq_magic != magic) {
160 EFX_ERR(channel->efx, "channel %d failed to see test event\n",
161 channel->channel);
162 return -ETIMEDOUT;
163 } else {
164 tests->eventq_dma[channel->channel] = 1;
165 }
166
167 return 0;
168}
169
170/* Test generation and receipt of interrupting events */
171static int efx_test_eventq_irq(struct efx_channel *channel,
172 struct efx_self_tests *tests)
173{
174 unsigned int magic, count;
175
176 /* Channel specific code, limited to 20 bits */
177 magic = (0x00010150 + channel->channel);
178 EFX_LOG(channel->efx, "channel %d testing event queue with code %x\n",
179 channel->channel, magic);
180
181 tests->eventq_dma[channel->channel] = -1;
182 tests->eventq_int[channel->channel] = -1;
183 tests->eventq_poll[channel->channel] = -1;
184
185 /* Reset flag and zero magic word */
186 channel->efx->last_irq_cpu = -1;
187 channel->eventq_magic = 0;
188 smp_wmb();
189
190 falcon_generate_test_event(channel, magic);
191
192 /* Wait for arrival of interrupt */
193 count = 0;
194 do {
195 schedule_timeout_uninterruptible(HZ / 100);
196
197 if (channel->work_pending)
198 efx_process_channel_now(channel);
199
200 if (channel->eventq_magic == magic)
201 goto eventq_ok;
202 } while (++count < 2);
203
204 EFX_ERR(channel->efx, "channel %d timed out waiting for event queue\n",
205 channel->channel);
206
207 /* See if interrupt arrived */
208 if (channel->efx->last_irq_cpu >= 0) {
209 EFX_ERR(channel->efx, "channel %d saw interrupt on CPU%d "
210 "during event queue test\n", channel->channel,
211 raw_smp_processor_id());
212 tests->eventq_int[channel->channel] = 1;
213 }
214
215 /* Check to see if event was received even if interrupt wasn't */
216 efx_process_channel_now(channel);
217 if (channel->eventq_magic == magic) {
218 EFX_ERR(channel->efx, "channel %d event was generated, but "
219 "failed to trigger an interrupt\n", channel->channel);
220 tests->eventq_dma[channel->channel] = 1;
221 }
222
223 return -ETIMEDOUT;
224 eventq_ok:
225 EFX_LOG(channel->efx, "channel %d event queue passed\n",
226 channel->channel);
227 tests->eventq_dma[channel->channel] = 1;
228 tests->eventq_int[channel->channel] = 1;
229 tests->eventq_poll[channel->channel] = 1;
230 return 0;
231}
232
233/**************************************************************************
234 *
235 * PHY testing
236 *
237 **************************************************************************/
238
239/* Check PHY presence by reading the PHY ID registers */
240static int efx_test_phy(struct efx_nic *efx,
241 struct efx_self_tests *tests)
242{
243 u16 physid1, physid2;
244 struct mii_if_info *mii = &efx->mii;
245 struct net_device *net_dev = efx->net_dev;
246
247 if (efx->phy_type == PHY_TYPE_NONE)
248 return 0;
249
250 EFX_LOG(efx, "testing PHY presence\n");
251 tests->phy_ok = -1;
252
253 physid1 = mii->mdio_read(net_dev, mii->phy_id, MII_PHYSID1);
254 physid2 = mii->mdio_read(net_dev, mii->phy_id, MII_PHYSID2);
255
256 if ((physid1 != 0x0000) && (physid1 != 0xffff) &&
257 (physid2 != 0x0000) && (physid2 != 0xffff)) {
258 EFX_LOG(efx, "found MII PHY %d ID 0x%x:%x\n",
259 mii->phy_id, physid1, physid2);
260 tests->phy_ok = 1;
261 return 0;
262 }
263
264 EFX_ERR(efx, "no MII PHY present with ID %d\n", mii->phy_id);
265 return -ENODEV;
266}
267
268/**************************************************************************
269 *
270 * Loopback testing
271 * NB Only one loopback test can be executing concurrently.
272 *
273 **************************************************************************/
274
275/* Loopback test RX callback
276 * This is called for each received packet during loopback testing.
277 */
278void efx_loopback_rx_packet(struct efx_nic *efx,
279 const char *buf_ptr, int pkt_len)
280{
281 struct efx_selftest_state *state = efx->loopback_selftest;
282 struct efx_loopback_payload *received;
283 struct efx_loopback_payload *payload;
284
285 BUG_ON(!buf_ptr);
286
287 /* If we are just flushing, then drop the packet */
288 if ((state == NULL) || state->flush)
289 return;
290
291 payload = &state->payload;
292
293 received = (struct efx_loopback_payload *)(char *) buf_ptr;
294 received->ip.saddr = payload->ip.saddr;
295 received->ip.check = payload->ip.check;
296
297 /* Check that header exists */
298 if (pkt_len < sizeof(received->header)) {
299 EFX_ERR(efx, "saw runt RX packet (length %d) in %s loopback "
300 "test\n", pkt_len, LOOPBACK_MODE(efx));
301 goto err;
302 }
303
304 /* Check that the ethernet header exists */
305 if (memcmp(&received->header, &payload->header, ETH_HLEN) != 0) {
306 EFX_ERR(efx, "saw non-loopback RX packet in %s loopback test\n",
307 LOOPBACK_MODE(efx));
308 goto err;
309 }
310
311 /* Check packet length */
312 if (pkt_len != sizeof(*payload)) {
313 EFX_ERR(efx, "saw incorrect RX packet length %d (wanted %d) in "
314 "%s loopback test\n", pkt_len, (int)sizeof(*payload),
315 LOOPBACK_MODE(efx));
316 goto err;
317 }
318
319 /* Check that IP header matches */
320 if (memcmp(&received->ip, &payload->ip, sizeof(payload->ip)) != 0) {
321 EFX_ERR(efx, "saw corrupted IP header in %s loopback test\n",
322 LOOPBACK_MODE(efx));
323 goto err;
324 }
325
326 /* Check that msg and padding matches */
327 if (memcmp(&received->msg, &payload->msg, sizeof(received->msg)) != 0) {
328 EFX_ERR(efx, "saw corrupted RX packet in %s loopback test\n",
329 LOOPBACK_MODE(efx));
330 goto err;
331 }
332
333 /* Check that iteration matches */
334 if (received->iteration != payload->iteration) {
335 EFX_ERR(efx, "saw RX packet from iteration %d (wanted %d) in "
336 "%s loopback test\n", ntohs(received->iteration),
337 ntohs(payload->iteration), LOOPBACK_MODE(efx));
338 goto err;
339 }
340
341 /* Increase correct RX count */
342 EFX_TRACE(efx, "got loopback RX in %s loopback test\n",
343 LOOPBACK_MODE(efx));
344
345 atomic_inc(&state->rx_good);
346 return;
347
348 err:
349#ifdef EFX_ENABLE_DEBUG
350 if (atomic_read(&state->rx_bad) == 0) {
351 EFX_ERR(efx, "received packet:\n");
352 print_hex_dump(KERN_ERR, "", DUMP_PREFIX_OFFSET, 0x10, 1,
353 buf_ptr, pkt_len, 0);
354 EFX_ERR(efx, "expected packet:\n");
355 print_hex_dump(KERN_ERR, "", DUMP_PREFIX_OFFSET, 0x10, 1,
356 &state->payload, sizeof(state->payload), 0);
357 }
358#endif
359 atomic_inc(&state->rx_bad);
360}
361
362/* Initialise an efx_selftest_state for a new iteration */
363static void efx_iterate_state(struct efx_nic *efx)
364{
365 struct efx_selftest_state *state = efx->loopback_selftest;
366 struct net_device *net_dev = efx->net_dev;
367 struct efx_loopback_payload *payload = &state->payload;
368
369 /* Initialise the layerII header */
370 memcpy(&payload->header.h_dest, net_dev->dev_addr, ETH_ALEN);
371 memcpy(&payload->header.h_source, &payload_source, ETH_ALEN);
372 payload->header.h_proto = htons(ETH_P_IP);
373
374 /* saddr set later and used as incrementing count */
375 payload->ip.daddr = htonl(INADDR_LOOPBACK);
376 payload->ip.ihl = 5;
377 payload->ip.check = htons(0xdead);
378 payload->ip.tot_len = htons(sizeof(*payload) - sizeof(struct ethhdr));
379 payload->ip.version = IPVERSION;
380 payload->ip.protocol = IPPROTO_UDP;
381
382 /* Initialise udp header */
383 payload->udp.source = 0;
384 payload->udp.len = htons(sizeof(*payload) - sizeof(struct ethhdr) -
385 sizeof(struct iphdr));
386 payload->udp.check = 0; /* checksum ignored */
387
388 /* Fill out payload */
389 payload->iteration = htons(ntohs(payload->iteration) + 1);
390 memcpy(&payload->msg, payload_msg, sizeof(payload_msg));
391
392 /* Fill out remaining state members */
393 atomic_set(&state->rx_good, 0);
394 atomic_set(&state->rx_bad, 0);
395 smp_wmb();
396}
397
398static int efx_tx_loopback(struct efx_tx_queue *tx_queue)
399{
400 struct efx_nic *efx = tx_queue->efx;
401 struct efx_selftest_state *state = efx->loopback_selftest;
402 struct efx_loopback_payload *payload;
403 struct sk_buff *skb;
404 int i, rc;
405
406 /* Transmit N copies of buffer */
407 for (i = 0; i < state->packet_count; i++) {
408 /* Allocate an skb, holding an extra reference for
409 * transmit completion counting */
410 skb = alloc_skb(sizeof(state->payload), GFP_KERNEL);
411 if (!skb)
412 return -ENOMEM;
413 state->skbs[i] = skb;
414 skb_get(skb);
415
416 /* Copy the payload in, incrementing the source address to
417 * exercise the rss vectors */
418 payload = ((struct efx_loopback_payload *)
419 skb_put(skb, sizeof(state->payload)));
420 memcpy(payload, &state->payload, sizeof(state->payload));
421 payload->ip.saddr = htonl(INADDR_LOOPBACK | (i << 2));
422
423 /* Ensure everything we've written is visible to the
424 * interrupt handler. */
425 smp_wmb();
426
427 if (NET_DEV_REGISTERED(efx))
428 netif_tx_lock_bh(efx->net_dev);
429 rc = efx_xmit(efx, tx_queue, skb);
430 if (NET_DEV_REGISTERED(efx))
431 netif_tx_unlock_bh(efx->net_dev);
432
433 if (rc != NETDEV_TX_OK) {
434 EFX_ERR(efx, "TX queue %d could not transmit packet %d "
435 "of %d in %s loopback test\n", tx_queue->queue,
436 i + 1, state->packet_count, LOOPBACK_MODE(efx));
437
438 /* Defer cleaning up the other skbs for the caller */
439 kfree_skb(skb);
440 return -EPIPE;
441 }
442 }
443
444 return 0;
445}
446
447static int efx_rx_loopback(struct efx_tx_queue *tx_queue,
448 struct efx_loopback_self_tests *lb_tests)
449{
450 struct efx_nic *efx = tx_queue->efx;
451 struct efx_selftest_state *state = efx->loopback_selftest;
452 struct sk_buff *skb;
453 int tx_done = 0, rx_good, rx_bad;
454 int i, rc = 0;
455
456 if (NET_DEV_REGISTERED(efx))
457 netif_tx_lock_bh(efx->net_dev);
458
459 /* Count the number of tx completions, and decrement the refcnt. Any
460 * skbs not already completed will be free'd when the queue is flushed */
461 for (i=0; i < state->packet_count; i++) {
462 skb = state->skbs[i];
463 if (skb && !skb_shared(skb))
464 ++tx_done;
465 dev_kfree_skb_any(skb);
466 }
467
468 if (NET_DEV_REGISTERED(efx))
469 netif_tx_unlock_bh(efx->net_dev);
470
471 /* Check TX completion and received packet counts */
472 rx_good = atomic_read(&state->rx_good);
473 rx_bad = atomic_read(&state->rx_bad);
474 if (tx_done != state->packet_count) {
475 /* Don't free the skbs; they will be picked up on TX
476 * overflow or channel teardown.
477 */
478 EFX_ERR(efx, "TX queue %d saw only %d out of an expected %d "
479 "TX completion events in %s loopback test\n",
480 tx_queue->queue, tx_done, state->packet_count,
481 LOOPBACK_MODE(efx));
482 rc = -ETIMEDOUT;
483 /* Allow to fall through so we see the RX errors as well */
484 }
485
486 /* We may always be up to a flush away from our desired packet total */
487 if (rx_good != state->packet_count) {
488 EFX_LOG(efx, "TX queue %d saw only %d out of an expected %d "
489 "received packets in %s loopback test\n",
490 tx_queue->queue, rx_good, state->packet_count,
491 LOOPBACK_MODE(efx));
492 rc = -ETIMEDOUT;
493 /* Fall through */
494 }
495
496 /* Update loopback test structure */
497 lb_tests->tx_sent[tx_queue->queue] += state->packet_count;
498 lb_tests->tx_done[tx_queue->queue] += tx_done;
499 lb_tests->rx_good += rx_good;
500 lb_tests->rx_bad += rx_bad;
501
502 return rc;
503}
504
505static int
506efx_test_loopback(struct efx_tx_queue *tx_queue,
507 struct efx_loopback_self_tests *lb_tests)
508{
509 struct efx_nic *efx = tx_queue->efx;
510 struct efx_selftest_state *state = efx->loopback_selftest;
511 struct efx_channel *channel;
512 int i, rc = 0;
513
514 for (i = 0; i < loopback_test_level; i++) {
515 /* Determine how many packets to send */
516 state->packet_count = (efx->type->txd_ring_mask + 1) / 3;
517 state->packet_count = min(1 << (i << 2), state->packet_count);
518 state->skbs = kzalloc(sizeof(state->skbs[0]) *
519 state->packet_count, GFP_KERNEL);
520 state->flush = 0;
521
522 EFX_LOG(efx, "TX queue %d testing %s loopback with %d "
523 "packets\n", tx_queue->queue, LOOPBACK_MODE(efx),
524 state->packet_count);
525
526 efx_iterate_state(efx);
527 rc = efx_tx_loopback(tx_queue);
528
529 /* NAPI polling is not enabled, so process channels synchronously */
530 schedule_timeout_uninterruptible(HZ / 50);
531 efx_for_each_channel_with_interrupt(channel, efx) {
532 if (channel->work_pending)
533 efx_process_channel_now(channel);
534 }
535
536 rc |= efx_rx_loopback(tx_queue, lb_tests);
537 kfree(state->skbs);
538
539 if (rc) {
540 /* Wait a while to ensure there are no packets
541 * floating around after a failure. */
542 schedule_timeout_uninterruptible(HZ / 10);
543 return rc;
544 }
545 }
546
547 EFX_LOG(efx, "TX queue %d passed %s loopback test with a burst length "
548 "of %d packets\n", tx_queue->queue, LOOPBACK_MODE(efx),
549 state->packet_count);
550
551 return rc;
552}
553
554static int efx_test_loopbacks(struct efx_nic *efx,
555 struct efx_self_tests *tests,
556 unsigned int loopback_modes)
557{
558 struct efx_selftest_state *state = efx->loopback_selftest;
559 struct ethtool_cmd ecmd, ecmd_loopback;
560 struct efx_tx_queue *tx_queue;
561 enum efx_loopback_mode old_mode, mode;
562 int count, rc = 0, link_up;
563
564 rc = efx_ethtool_get_settings(efx->net_dev, &ecmd);
565 if (rc) {
566 EFX_ERR(efx, "could not get GMII settings\n");
567 return rc;
568 }
569 old_mode = efx->loopback_mode;
570
571 /* Disable autonegotiation for the purposes of loopback */
572 memcpy(&ecmd_loopback, &ecmd, sizeof(ecmd_loopback));
573 if (ecmd_loopback.autoneg == AUTONEG_ENABLE) {
574 ecmd_loopback.autoneg = AUTONEG_DISABLE;
575 ecmd_loopback.duplex = DUPLEX_FULL;
576 ecmd_loopback.speed = SPEED_10000;
577 }
578
579 rc = efx_ethtool_set_settings(efx->net_dev, &ecmd_loopback);
580 if (rc) {
581 EFX_ERR(efx, "could not disable autonegotiation\n");
582 goto out;
583 }
584 tests->loopback_speed = ecmd_loopback.speed;
585 tests->loopback_full_duplex = ecmd_loopback.duplex;
586
587 /* Test all supported loopback modes */
588 for (mode = LOOPBACK_NONE; mode < LOOPBACK_TEST_MAX; mode++) {
589 if (!(loopback_modes & (1 << mode)))
590 continue;
591
592 /* Move the port into the specified loopback mode. */
593 state->flush = 1;
594 efx->loopback_mode = mode;
595 efx_reconfigure_port(efx);
596
597 /* Wait for the PHY to signal the link is up */
598 count = 0;
599 do {
600 struct efx_channel *channel = &efx->channel[0];
601
602 falcon_check_xmac(efx);
603 schedule_timeout_uninterruptible(HZ / 10);
604 if (channel->work_pending)
605 efx_process_channel_now(channel);
606 /* Wait for PHY events to be processed */
607 flush_workqueue(efx->workqueue);
608 rmb();
609
610 /* efx->link_up can be 1 even if the XAUI link is down,
611 * (bug5762). Usually, it's not worth bothering with the
612 * difference, but for selftests, we need that extra
613 * guarantee that the link is really, really, up.
614 */
615 link_up = efx->link_up;
616 if (!falcon_xaui_link_ok(efx))
617 link_up = 0;
618
619 } while ((++count < 20) && !link_up);
620
621 /* The link should now be up. If it isn't, there is no point
622 * in attempting a loopback test */
623 if (!link_up) {
624 EFX_ERR(efx, "loopback %s never came up\n",
625 LOOPBACK_MODE(efx));
626 rc = -EIO;
627 goto out;
628 }
629
630 EFX_LOG(efx, "link came up in %s loopback in %d iterations\n",
631 LOOPBACK_MODE(efx), count);
632
633 /* Test every TX queue */
634 efx_for_each_tx_queue(tx_queue, efx) {
635 rc |= efx_test_loopback(tx_queue,
636 &tests->loopback[mode]);
637 if (rc)
638 goto out;
639 }
640 }
641
642 out:
643 /* Take out of loopback and restore PHY settings */
644 state->flush = 1;
645 efx->loopback_mode = old_mode;
646 efx_ethtool_set_settings(efx->net_dev, &ecmd);
647
648 return rc;
649}
650
651/**************************************************************************
652 *
653 * Entry points
654 *
655 *************************************************************************/
656
657/* Online (i.e. non-disruptive) testing
658 * This checks interrupt generation, event delivery and PHY presence. */
659int efx_online_test(struct efx_nic *efx, struct efx_self_tests *tests)
660{
661 struct efx_channel *channel;
662 int rc = 0;
663
664 EFX_LOG(efx, "performing online self-tests\n");
665
666 rc |= efx_test_interrupts(efx, tests);
667 efx_for_each_channel(channel, efx) {
668 if (channel->has_interrupt)
669 rc |= efx_test_eventq_irq(channel, tests);
670 else
671 rc |= efx_test_eventq(channel, tests);
672 }
673 rc |= efx_test_phy(efx, tests);
674
675 if (rc)
676 EFX_ERR(efx, "failed online self-tests\n");
677
678 return rc;
679}
680
681/* Offline (i.e. disruptive) testing
682 * This checks MAC and PHY loopback on the specified port. */
683int efx_offline_test(struct efx_nic *efx,
684 struct efx_self_tests *tests, unsigned int loopback_modes)
685{
686 struct efx_selftest_state *state;
687 int rc = 0;
688
689 EFX_LOG(efx, "performing offline self-tests\n");
690
691 /* Create a selftest_state structure to hold state for the test */
692 state = kzalloc(sizeof(*state), GFP_KERNEL);
693 if (state == NULL) {
694 rc = -ENOMEM;
695 goto out;
696 }
697
698 /* Set the port loopback_selftest member. From this point on
699 * all received packets will be dropped. Mark the state as
700 * "flushing" so all inflight packets are dropped */
701 BUG_ON(efx->loopback_selftest);
702 state->flush = 1;
703 efx->loopback_selftest = (void *)state;
704
705 rc = efx_test_loopbacks(efx, tests, loopback_modes);
706
707 efx->loopback_selftest = NULL;
708 wmb();
709 kfree(state);
710
711 out:
712 if (rc)
713 EFX_ERR(efx, "failed offline self-tests\n");
714
715 return rc;
716}
717
diff --git a/drivers/net/sfc/selftest.h b/drivers/net/sfc/selftest.h
new file mode 100644
index 000000000000..f6999c2b622d
--- /dev/null
+++ b/drivers/net/sfc/selftest.h
@@ -0,0 +1,50 @@
1/****************************************************************************
2 * Driver for Solarflare Solarstorm network controllers and boards
3 * Copyright 2005-2006 Fen Systems Ltd.
4 * Copyright 2006-2008 Solarflare Communications Inc.
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 as published
8 * by the Free Software Foundation, incorporated herein by reference.
9 */
10
11#ifndef EFX_SELFTEST_H
12#define EFX_SELFTEST_H
13
14#include "net_driver.h"
15
16/*
17 * Self tests
18 */
19
20struct efx_loopback_self_tests {
21 int tx_sent[EFX_MAX_TX_QUEUES];
22 int tx_done[EFX_MAX_TX_QUEUES];
23 int rx_good;
24 int rx_bad;
25};
26
27/* Efx self test results
28 * For fields which are not counters, 1 indicates success and -1
29 * indicates failure.
30 */
31struct efx_self_tests {
32 int interrupt;
33 int eventq_dma[EFX_MAX_CHANNELS];
34 int eventq_int[EFX_MAX_CHANNELS];
35 int eventq_poll[EFX_MAX_CHANNELS];
36 int phy_ok;
37 int loopback_speed;
38 int loopback_full_duplex;
39 struct efx_loopback_self_tests loopback[LOOPBACK_TEST_MAX];
40};
41
42extern void efx_loopback_rx_packet(struct efx_nic *efx,
43 const char *buf_ptr, int pkt_len);
44extern int efx_online_test(struct efx_nic *efx,
45 struct efx_self_tests *tests);
46extern int efx_offline_test(struct efx_nic *efx,
47 struct efx_self_tests *tests,
48 unsigned int loopback_modes);
49
50#endif /* EFX_SELFTEST_H */
diff --git a/drivers/net/sfc/sfe4001.c b/drivers/net/sfc/sfe4001.c
index 11fa9fb8f48b..725d1a539c49 100644
--- a/drivers/net/sfc/sfe4001.c
+++ b/drivers/net/sfc/sfe4001.c
@@ -130,6 +130,15 @@ void sfe4001_poweroff(struct efx_nic *efx)
130 (void) efx_i2c_read(i2c, MAX6647, RSL, &in, 1); 130 (void) efx_i2c_read(i2c, MAX6647, RSL, &in, 1);
131} 131}
132 132
133/* The P0_EN_3V3X line on SFE4001 boards (from A2 onward) is connected
134 * to the FLASH_CFG_1 input on the DSP. We must keep it high at power-
135 * up to allow writing the flash (done through MDIO from userland).
136 */
137unsigned int sfe4001_phy_flash_cfg;
138module_param_named(phy_flash_cfg, sfe4001_phy_flash_cfg, uint, 0444);
139MODULE_PARM_DESC(phy_flash_cfg,
140 "Force PHY to enter flash configuration mode");
141
133/* This board uses an I2C expander to provider power to the PHY, which needs to 142/* This board uses an I2C expander to provider power to the PHY, which needs to
134 * be turned on before the PHY can be used. 143 * be turned on before the PHY can be used.
135 * Context: Process context, rtnl lock held 144 * Context: Process context, rtnl lock held
@@ -203,6 +212,8 @@ int sfe4001_poweron(struct efx_nic *efx)
203 out = 0xff & ~((1 << P0_EN_1V2_LBN) | (1 << P0_EN_2V5_LBN) | 212 out = 0xff & ~((1 << P0_EN_1V2_LBN) | (1 << P0_EN_2V5_LBN) |
204 (1 << P0_EN_3V3X_LBN) | (1 << P0_EN_5V_LBN) | 213 (1 << P0_EN_3V3X_LBN) | (1 << P0_EN_5V_LBN) |
205 (1 << P0_X_TRST_LBN)); 214 (1 << P0_X_TRST_LBN));
215 if (sfe4001_phy_flash_cfg)
216 out |= 1 << P0_EN_3V3X_LBN;
206 217
207 rc = efx_i2c_write(i2c, PCA9539, P0_OUT, &out, 1); 218 rc = efx_i2c_write(i2c, PCA9539, P0_OUT, &out, 1);
208 if (rc) 219 if (rc)
@@ -226,6 +237,9 @@ int sfe4001_poweron(struct efx_nic *efx)
226 if (in & (1 << P1_AFE_PWD_LBN)) 237 if (in & (1 << P1_AFE_PWD_LBN))
227 goto done; 238 goto done;
228 239
240 /* DSP doesn't look powered in flash config mode */
241 if (sfe4001_phy_flash_cfg)
242 goto done;
229 } while (++count < 20); 243 } while (++count < 20);
230 244
231 EFX_INFO(efx, "timed out waiting for power\n"); 245 EFX_INFO(efx, "timed out waiting for power\n");
diff --git a/drivers/net/sfc/tenxpress.c b/drivers/net/sfc/tenxpress.c
index a2e9f79e47b1..b1cd6deec01f 100644
--- a/drivers/net/sfc/tenxpress.c
+++ b/drivers/net/sfc/tenxpress.c
@@ -24,6 +24,11 @@
24 MDIO_MMDREG_DEVS0_PCS | \ 24 MDIO_MMDREG_DEVS0_PCS | \
25 MDIO_MMDREG_DEVS0_PHYXS) 25 MDIO_MMDREG_DEVS0_PHYXS)
26 26
27#define TENXPRESS_LOOPBACKS ((1 << LOOPBACK_PHYXS) | \
28 (1 << LOOPBACK_PCS) | \
29 (1 << LOOPBACK_PMAPMD) | \
30 (1 << LOOPBACK_NETWORK))
31
27/* We complain if we fail to see the link partner as 10G capable this many 32/* We complain if we fail to see the link partner as 10G capable this many
28 * times in a row (must be > 1 as sampling the autoneg. registers is racy) 33 * times in a row (must be > 1 as sampling the autoneg. registers is racy)
29 */ 34 */
@@ -72,6 +77,10 @@
72#define PMA_PMD_BIST_RXD_LBN (1) 77#define PMA_PMD_BIST_RXD_LBN (1)
73#define PMA_PMD_BIST_AFE_LBN (0) 78#define PMA_PMD_BIST_AFE_LBN (0)
74 79
80/* Special Software reset register */
81#define PMA_PMD_EXT_CTRL_REG 49152
82#define PMA_PMD_EXT_SSR_LBN 15
83
75#define BIST_MAX_DELAY (1000) 84#define BIST_MAX_DELAY (1000)
76#define BIST_POLL_DELAY (10) 85#define BIST_POLL_DELAY (10)
77 86
@@ -86,6 +95,11 @@
86#define PCS_TEST_SELECT_REG 0xd807 /* PRM 10.5.8 */ 95#define PCS_TEST_SELECT_REG 0xd807 /* PRM 10.5.8 */
87#define CLK312_EN_LBN 3 96#define CLK312_EN_LBN 3
88 97
98/* PHYXS registers */
99#define PHYXS_TEST1 (49162)
100#define LOOPBACK_NEAR_LBN (8)
101#define LOOPBACK_NEAR_WIDTH (1)
102
89/* Boot status register */ 103/* Boot status register */
90#define PCS_BOOT_STATUS_REG (0xd000) 104#define PCS_BOOT_STATUS_REG (0xd000)
91#define PCS_BOOT_FATAL_ERR_LBN (0) 105#define PCS_BOOT_FATAL_ERR_LBN (0)
@@ -106,7 +120,9 @@ MODULE_PARM_DESC(crc_error_reset_threshold,
106 120
107struct tenxpress_phy_data { 121struct tenxpress_phy_data {
108 enum tenxpress_state state; 122 enum tenxpress_state state;
123 enum efx_loopback_mode loopback_mode;
109 atomic_t bad_crc_count; 124 atomic_t bad_crc_count;
125 int tx_disabled;
110 int bad_lp_tries; 126 int bad_lp_tries;
111}; 127};
112 128
@@ -199,10 +215,12 @@ static int tenxpress_phy_init(struct efx_nic *efx)
199 215
200 tenxpress_set_state(efx, TENXPRESS_STATUS_NORMAL); 216 tenxpress_set_state(efx, TENXPRESS_STATUS_NORMAL);
201 217
202 rc = mdio_clause45_wait_reset_mmds(efx, 218 if (!sfe4001_phy_flash_cfg) {
203 TENXPRESS_REQUIRED_DEVS); 219 rc = mdio_clause45_wait_reset_mmds(efx,
204 if (rc < 0) 220 TENXPRESS_REQUIRED_DEVS);
205 goto fail; 221 if (rc < 0)
222 goto fail;
223 }
206 224
207 rc = mdio_clause45_check_mmds(efx, TENXPRESS_REQUIRED_DEVS, 0); 225 rc = mdio_clause45_check_mmds(efx, TENXPRESS_REQUIRED_DEVS, 0);
208 if (rc < 0) 226 if (rc < 0)
@@ -225,6 +243,35 @@ static int tenxpress_phy_init(struct efx_nic *efx)
225 return rc; 243 return rc;
226} 244}
227 245
246static int tenxpress_special_reset(struct efx_nic *efx)
247{
248 int rc, reg;
249
250 EFX_TRACE(efx, "%s\n", __func__);
251
252 /* Initiate reset */
253 reg = mdio_clause45_read(efx, efx->mii.phy_id,
254 MDIO_MMD_PMAPMD, PMA_PMD_EXT_CTRL_REG);
255 reg |= (1 << PMA_PMD_EXT_SSR_LBN);
256 mdio_clause45_write(efx, efx->mii.phy_id, MDIO_MMD_PMAPMD,
257 PMA_PMD_EXT_CTRL_REG, reg);
258
259 msleep(200);
260
261 /* Wait for the blocks to come out of reset */
262 rc = mdio_clause45_wait_reset_mmds(efx,
263 TENXPRESS_REQUIRED_DEVS);
264 if (rc < 0)
265 return rc;
266
267 /* Try and reconfigure the device */
268 rc = tenxpress_init(efx);
269 if (rc < 0)
270 return rc;
271
272 return 0;
273}
274
228static void tenxpress_set_bad_lp(struct efx_nic *efx, int bad_lp) 275static void tenxpress_set_bad_lp(struct efx_nic *efx, int bad_lp)
229{ 276{
230 struct tenxpress_phy_data *pd = efx->phy_data; 277 struct tenxpress_phy_data *pd = efx->phy_data;
@@ -299,11 +346,46 @@ static int tenxpress_link_ok(struct efx_nic *efx, int check_lp)
299 return ok; 346 return ok;
300} 347}
301 348
349static void tenxpress_phyxs_loopback(struct efx_nic *efx)
350{
351 int phy_id = efx->mii.phy_id;
352 int ctrl1, ctrl2;
353
354 ctrl1 = ctrl2 = mdio_clause45_read(efx, phy_id, MDIO_MMD_PHYXS,
355 PHYXS_TEST1);
356 if (efx->loopback_mode == LOOPBACK_PHYXS)
357 ctrl2 |= (1 << LOOPBACK_NEAR_LBN);
358 else
359 ctrl2 &= ~(1 << LOOPBACK_NEAR_LBN);
360 if (ctrl1 != ctrl2)
361 mdio_clause45_write(efx, phy_id, MDIO_MMD_PHYXS,
362 PHYXS_TEST1, ctrl2);
363}
364
302static void tenxpress_phy_reconfigure(struct efx_nic *efx) 365static void tenxpress_phy_reconfigure(struct efx_nic *efx)
303{ 366{
367 struct tenxpress_phy_data *phy_data = efx->phy_data;
368 int loop_change = LOOPBACK_OUT_OF(phy_data, efx,
369 TENXPRESS_LOOPBACKS);
370
304 if (!tenxpress_state_is(efx, TENXPRESS_STATUS_NORMAL)) 371 if (!tenxpress_state_is(efx, TENXPRESS_STATUS_NORMAL))
305 return; 372 return;
306 373
374 /* When coming out of transmit disable, coming out of low power
375 * mode, or moving out of any PHY internal loopback mode,
376 * perform a special software reset */
377 if ((phy_data->tx_disabled && !efx->tx_disabled) ||
378 loop_change) {
379 (void) tenxpress_special_reset(efx);
380 falcon_reset_xaui(efx);
381 }
382
383 mdio_clause45_transmit_disable(efx);
384 mdio_clause45_phy_reconfigure(efx);
385 tenxpress_phyxs_loopback(efx);
386
387 phy_data->tx_disabled = efx->tx_disabled;
388 phy_data->loopback_mode = efx->loopback_mode;
307 efx->link_up = tenxpress_link_ok(efx, 0); 389 efx->link_up = tenxpress_link_ok(efx, 0);
308 efx->link_options = GM_LPA_10000FULL; 390 efx->link_options = GM_LPA_10000FULL;
309} 391}
@@ -431,4 +513,5 @@ struct efx_phy_operations falcon_tenxpress_phy_ops = {
431 .clear_interrupt = tenxpress_phy_clear_interrupt, 513 .clear_interrupt = tenxpress_phy_clear_interrupt,
432 .reset_xaui = tenxpress_reset_xaui, 514 .reset_xaui = tenxpress_reset_xaui,
433 .mmds = TENXPRESS_REQUIRED_DEVS, 515 .mmds = TENXPRESS_REQUIRED_DEVS,
516 .loopbacks = TENXPRESS_LOOPBACKS,
434}; 517};
diff --git a/drivers/net/sfc/tx.c b/drivers/net/sfc/tx.c
index fbb866b2185e..9b436f5b4888 100644
--- a/drivers/net/sfc/tx.c
+++ b/drivers/net/sfc/tx.c
@@ -82,6 +82,46 @@ static inline void efx_dequeue_buffer(struct efx_tx_queue *tx_queue,
82 } 82 }
83} 83}
84 84
85/**
86 * struct efx_tso_header - a DMA mapped buffer for packet headers
87 * @next: Linked list of free ones.
88 * The list is protected by the TX queue lock.
89 * @dma_unmap_len: Length to unmap for an oversize buffer, or 0.
90 * @dma_addr: The DMA address of the header below.
91 *
92 * This controls the memory used for a TSO header. Use TSOH_DATA()
93 * to find the packet header data. Use TSOH_SIZE() to calculate the
94 * total size required for a given packet header length. TSO headers
95 * in the free list are exactly %TSOH_STD_SIZE bytes in size.
96 */
97struct efx_tso_header {
98 union {
99 struct efx_tso_header *next;
100 size_t unmap_len;
101 };
102 dma_addr_t dma_addr;
103};
104
105static int efx_enqueue_skb_tso(struct efx_tx_queue *tx_queue,
106 const struct sk_buff *skb);
107static void efx_fini_tso(struct efx_tx_queue *tx_queue);
108static void efx_tsoh_heap_free(struct efx_tx_queue *tx_queue,
109 struct efx_tso_header *tsoh);
110
111static inline void efx_tsoh_free(struct efx_tx_queue *tx_queue,
112 struct efx_tx_buffer *buffer)
113{
114 if (buffer->tsoh) {
115 if (likely(!buffer->tsoh->unmap_len)) {
116 buffer->tsoh->next = tx_queue->tso_headers_free;
117 tx_queue->tso_headers_free = buffer->tsoh;
118 } else {
119 efx_tsoh_heap_free(tx_queue, buffer->tsoh);
120 }
121 buffer->tsoh = NULL;
122 }
123}
124
85 125
86/* 126/*
87 * Add a socket buffer to a TX queue 127 * Add a socket buffer to a TX queue
@@ -114,6 +154,9 @@ static inline int efx_enqueue_skb(struct efx_tx_queue *tx_queue,
114 154
115 EFX_BUG_ON_PARANOID(tx_queue->write_count != tx_queue->insert_count); 155 EFX_BUG_ON_PARANOID(tx_queue->write_count != tx_queue->insert_count);
116 156
157 if (skb_shinfo((struct sk_buff *)skb)->gso_size)
158 return efx_enqueue_skb_tso(tx_queue, skb);
159
117 /* Get size of the initial fragment */ 160 /* Get size of the initial fragment */
118 len = skb_headlen(skb); 161 len = skb_headlen(skb);
119 162
@@ -166,6 +209,8 @@ static inline int efx_enqueue_skb(struct efx_tx_queue *tx_queue,
166 insert_ptr = (tx_queue->insert_count & 209 insert_ptr = (tx_queue->insert_count &
167 efx->type->txd_ring_mask); 210 efx->type->txd_ring_mask);
168 buffer = &tx_queue->buffer[insert_ptr]; 211 buffer = &tx_queue->buffer[insert_ptr];
212 efx_tsoh_free(tx_queue, buffer);
213 EFX_BUG_ON_PARANOID(buffer->tsoh);
169 EFX_BUG_ON_PARANOID(buffer->skb); 214 EFX_BUG_ON_PARANOID(buffer->skb);
170 EFX_BUG_ON_PARANOID(buffer->len); 215 EFX_BUG_ON_PARANOID(buffer->len);
171 EFX_BUG_ON_PARANOID(buffer->continuation != 1); 216 EFX_BUG_ON_PARANOID(buffer->continuation != 1);
@@ -432,6 +477,9 @@ void efx_fini_tx_queue(struct efx_tx_queue *tx_queue)
432 477
433 efx_release_tx_buffers(tx_queue); 478 efx_release_tx_buffers(tx_queue);
434 479
480 /* Free up TSO header cache */
481 efx_fini_tso(tx_queue);
482
435 /* Release queue's stop on port, if any */ 483 /* Release queue's stop on port, if any */
436 if (tx_queue->stopped) { 484 if (tx_queue->stopped) {
437 tx_queue->stopped = 0; 485 tx_queue->stopped = 0;
@@ -450,3 +498,619 @@ void efx_remove_tx_queue(struct efx_tx_queue *tx_queue)
450} 498}
451 499
452 500
501/* Efx TCP segmentation acceleration.
502 *
503 * Why? Because by doing it here in the driver we can go significantly
504 * faster than the GSO.
505 *
506 * Requires TX checksum offload support.
507 */
508
509/* Number of bytes inserted at the start of a TSO header buffer,
510 * similar to NET_IP_ALIGN.
511 */
512#if defined(__i386__) || defined(__x86_64__)
513#define TSOH_OFFSET 0
514#else
515#define TSOH_OFFSET NET_IP_ALIGN
516#endif
517
518#define TSOH_BUFFER(tsoh) ((u8 *)(tsoh + 1) + TSOH_OFFSET)
519
520/* Total size of struct efx_tso_header, buffer and padding */
521#define TSOH_SIZE(hdr_len) \
522 (sizeof(struct efx_tso_header) + TSOH_OFFSET + hdr_len)
523
524/* Size of blocks on free list. Larger blocks must be allocated from
525 * the heap.
526 */
527#define TSOH_STD_SIZE 128
528
529#define PTR_DIFF(p1, p2) ((u8 *)(p1) - (u8 *)(p2))
530#define ETH_HDR_LEN(skb) (skb_network_header(skb) - (skb)->data)
531#define SKB_TCP_OFF(skb) PTR_DIFF(tcp_hdr(skb), (skb)->data)
532#define SKB_IPV4_OFF(skb) PTR_DIFF(ip_hdr(skb), (skb)->data)
533
534/**
535 * struct tso_state - TSO state for an SKB
536 * @remaining_len: Bytes of data we've yet to segment
537 * @seqnum: Current sequence number
538 * @packet_space: Remaining space in current packet
539 * @ifc: Input fragment cursor.
540 * Where we are in the current fragment of the incoming SKB. These
541 * values get updated in place when we split a fragment over
542 * multiple packets.
543 * @p: Parameters.
544 * These values are set once at the start of the TSO send and do
545 * not get changed as the routine progresses.
546 *
547 * The state used during segmentation. It is put into this data structure
548 * just to make it easy to pass into inline functions.
549 */
550struct tso_state {
551 unsigned remaining_len;
552 unsigned seqnum;
553 unsigned packet_space;
554
555 struct {
556 /* DMA address of current position */
557 dma_addr_t dma_addr;
558 /* Remaining length */
559 unsigned int len;
560 /* DMA address and length of the whole fragment */
561 unsigned int unmap_len;
562 dma_addr_t unmap_addr;
563 struct page *page;
564 unsigned page_off;
565 } ifc;
566
567 struct {
568 /* The number of bytes of header */
569 unsigned int header_length;
570
571 /* The number of bytes to put in each outgoing segment. */
572 int full_packet_size;
573
574 /* Current IPv4 ID, host endian. */
575 unsigned ipv4_id;
576 } p;
577};
578
579
580/*
581 * Verify that our various assumptions about sk_buffs and the conditions
582 * under which TSO will be attempted hold true.
583 */
584static inline void efx_tso_check_safe(const struct sk_buff *skb)
585{
586 EFX_BUG_ON_PARANOID(skb->protocol != htons(ETH_P_IP));
587 EFX_BUG_ON_PARANOID(((struct ethhdr *)skb->data)->h_proto !=
588 skb->protocol);
589 EFX_BUG_ON_PARANOID(ip_hdr(skb)->protocol != IPPROTO_TCP);
590 EFX_BUG_ON_PARANOID((PTR_DIFF(tcp_hdr(skb), skb->data)
591 + (tcp_hdr(skb)->doff << 2u)) >
592 skb_headlen(skb));
593}
594
595
596/*
597 * Allocate a page worth of efx_tso_header structures, and string them
598 * into the tx_queue->tso_headers_free linked list. Return 0 or -ENOMEM.
599 */
600static int efx_tsoh_block_alloc(struct efx_tx_queue *tx_queue)
601{
602
603 struct pci_dev *pci_dev = tx_queue->efx->pci_dev;
604 struct efx_tso_header *tsoh;
605 dma_addr_t dma_addr;
606 u8 *base_kva, *kva;
607
608 base_kva = pci_alloc_consistent(pci_dev, PAGE_SIZE, &dma_addr);
609 if (base_kva == NULL) {
610 EFX_ERR(tx_queue->efx, "Unable to allocate page for TSO"
611 " headers\n");
612 return -ENOMEM;
613 }
614
615 /* pci_alloc_consistent() allocates pages. */
616 EFX_BUG_ON_PARANOID(dma_addr & (PAGE_SIZE - 1u));
617
618 for (kva = base_kva; kva < base_kva + PAGE_SIZE; kva += TSOH_STD_SIZE) {
619 tsoh = (struct efx_tso_header *)kva;
620 tsoh->dma_addr = dma_addr + (TSOH_BUFFER(tsoh) - base_kva);
621 tsoh->next = tx_queue->tso_headers_free;
622 tx_queue->tso_headers_free = tsoh;
623 }
624
625 return 0;
626}
627
628
629/* Free up a TSO header, and all others in the same page. */
630static void efx_tsoh_block_free(struct efx_tx_queue *tx_queue,
631 struct efx_tso_header *tsoh,
632 struct pci_dev *pci_dev)
633{
634 struct efx_tso_header **p;
635 unsigned long base_kva;
636 dma_addr_t base_dma;
637
638 base_kva = (unsigned long)tsoh & PAGE_MASK;
639 base_dma = tsoh->dma_addr & PAGE_MASK;
640
641 p = &tx_queue->tso_headers_free;
642 while (*p != NULL)
643 if (((unsigned long)*p & PAGE_MASK) == base_kva)
644 *p = (*p)->next;
645 else
646 p = &(*p)->next;
647
648 pci_free_consistent(pci_dev, PAGE_SIZE, (void *)base_kva, base_dma);
649}
650
651static struct efx_tso_header *
652efx_tsoh_heap_alloc(struct efx_tx_queue *tx_queue, size_t header_len)
653{
654 struct efx_tso_header *tsoh;
655
656 tsoh = kmalloc(TSOH_SIZE(header_len), GFP_ATOMIC | GFP_DMA);
657 if (unlikely(!tsoh))
658 return NULL;
659
660 tsoh->dma_addr = pci_map_single(tx_queue->efx->pci_dev,
661 TSOH_BUFFER(tsoh), header_len,
662 PCI_DMA_TODEVICE);
663 if (unlikely(pci_dma_mapping_error(tsoh->dma_addr))) {
664 kfree(tsoh);
665 return NULL;
666 }
667
668 tsoh->unmap_len = header_len;
669 return tsoh;
670}
671
672static void
673efx_tsoh_heap_free(struct efx_tx_queue *tx_queue, struct efx_tso_header *tsoh)
674{
675 pci_unmap_single(tx_queue->efx->pci_dev,
676 tsoh->dma_addr, tsoh->unmap_len,
677 PCI_DMA_TODEVICE);
678 kfree(tsoh);
679}
680
681/**
682 * efx_tx_queue_insert - push descriptors onto the TX queue
683 * @tx_queue: Efx TX queue
684 * @dma_addr: DMA address of fragment
685 * @len: Length of fragment
686 * @skb: Only non-null for end of last segment
687 * @end_of_packet: True if last fragment in a packet
688 * @unmap_addr: DMA address of fragment for unmapping
689 * @unmap_len: Only set this in last segment of a fragment
690 *
691 * Push descriptors onto the TX queue. Return 0 on success or 1 if
692 * @tx_queue full.
693 */
694static int efx_tx_queue_insert(struct efx_tx_queue *tx_queue,
695 dma_addr_t dma_addr, unsigned len,
696 const struct sk_buff *skb, int end_of_packet,
697 dma_addr_t unmap_addr, unsigned unmap_len)
698{
699 struct efx_tx_buffer *buffer;
700 struct efx_nic *efx = tx_queue->efx;
701 unsigned dma_len, fill_level, insert_ptr, misalign;
702 int q_space;
703
704 EFX_BUG_ON_PARANOID(len <= 0);
705
706 fill_level = tx_queue->insert_count - tx_queue->old_read_count;
707 /* -1 as there is no way to represent all descriptors used */
708 q_space = efx->type->txd_ring_mask - 1 - fill_level;
709
710 while (1) {
711 if (unlikely(q_space-- <= 0)) {
712 /* It might be that completions have happened
713 * since the xmit path last checked. Update
714 * the xmit path's copy of read_count.
715 */
716 ++tx_queue->stopped;
717 /* This memory barrier protects the change of
718 * stopped from the access of read_count. */
719 smp_mb();
720 tx_queue->old_read_count =
721 *(volatile unsigned *)&tx_queue->read_count;
722 fill_level = (tx_queue->insert_count
723 - tx_queue->old_read_count);
724 q_space = efx->type->txd_ring_mask - 1 - fill_level;
725 if (unlikely(q_space-- <= 0))
726 return 1;
727 smp_mb();
728 --tx_queue->stopped;
729 }
730
731 insert_ptr = tx_queue->insert_count & efx->type->txd_ring_mask;
732 buffer = &tx_queue->buffer[insert_ptr];
733 ++tx_queue->insert_count;
734
735 EFX_BUG_ON_PARANOID(tx_queue->insert_count -
736 tx_queue->read_count >
737 efx->type->txd_ring_mask);
738
739 efx_tsoh_free(tx_queue, buffer);
740 EFX_BUG_ON_PARANOID(buffer->len);
741 EFX_BUG_ON_PARANOID(buffer->unmap_len);
742 EFX_BUG_ON_PARANOID(buffer->skb);
743 EFX_BUG_ON_PARANOID(buffer->continuation != 1);
744 EFX_BUG_ON_PARANOID(buffer->tsoh);
745
746 buffer->dma_addr = dma_addr;
747
748 /* Ensure we do not cross a boundary unsupported by H/W */
749 dma_len = (~dma_addr & efx->type->tx_dma_mask) + 1;
750
751 misalign = (unsigned)dma_addr & efx->type->bug5391_mask;
752 if (misalign && dma_len + misalign > 512)
753 dma_len = 512 - misalign;
754
755 /* If there is enough space to send then do so */
756 if (dma_len >= len)
757 break;
758
759 buffer->len = dma_len; /* Don't set the other members */
760 dma_addr += dma_len;
761 len -= dma_len;
762 }
763
764 EFX_BUG_ON_PARANOID(!len);
765 buffer->len = len;
766 buffer->skb = skb;
767 buffer->continuation = !end_of_packet;
768 buffer->unmap_addr = unmap_addr;
769 buffer->unmap_len = unmap_len;
770 return 0;
771}
772
773
774/*
775 * Put a TSO header into the TX queue.
776 *
777 * This is special-cased because we know that it is small enough to fit in
778 * a single fragment, and we know it doesn't cross a page boundary. It
779 * also allows us to not worry about end-of-packet etc.
780 */
781static inline void efx_tso_put_header(struct efx_tx_queue *tx_queue,
782 struct efx_tso_header *tsoh, unsigned len)
783{
784 struct efx_tx_buffer *buffer;
785
786 buffer = &tx_queue->buffer[tx_queue->insert_count &
787 tx_queue->efx->type->txd_ring_mask];
788 efx_tsoh_free(tx_queue, buffer);
789 EFX_BUG_ON_PARANOID(buffer->len);
790 EFX_BUG_ON_PARANOID(buffer->unmap_len);
791 EFX_BUG_ON_PARANOID(buffer->skb);
792 EFX_BUG_ON_PARANOID(buffer->continuation != 1);
793 EFX_BUG_ON_PARANOID(buffer->tsoh);
794 buffer->len = len;
795 buffer->dma_addr = tsoh->dma_addr;
796 buffer->tsoh = tsoh;
797
798 ++tx_queue->insert_count;
799}
800
801
802/* Remove descriptors put into a tx_queue. */
803static void efx_enqueue_unwind(struct efx_tx_queue *tx_queue)
804{
805 struct efx_tx_buffer *buffer;
806
807 /* Work backwards until we hit the original insert pointer value */
808 while (tx_queue->insert_count != tx_queue->write_count) {
809 --tx_queue->insert_count;
810 buffer = &tx_queue->buffer[tx_queue->insert_count &
811 tx_queue->efx->type->txd_ring_mask];
812 efx_tsoh_free(tx_queue, buffer);
813 EFX_BUG_ON_PARANOID(buffer->skb);
814 buffer->len = 0;
815 buffer->continuation = 1;
816 if (buffer->unmap_len) {
817 pci_unmap_page(tx_queue->efx->pci_dev,
818 buffer->unmap_addr,
819 buffer->unmap_len, PCI_DMA_TODEVICE);
820 buffer->unmap_len = 0;
821 }
822 }
823}
824
825
826/* Parse the SKB header and initialise state. */
827static inline void tso_start(struct tso_state *st, const struct sk_buff *skb)
828{
829 /* All ethernet/IP/TCP headers combined size is TCP header size
830 * plus offset of TCP header relative to start of packet.
831 */
832 st->p.header_length = ((tcp_hdr(skb)->doff << 2u)
833 + PTR_DIFF(tcp_hdr(skb), skb->data));
834 st->p.full_packet_size = (st->p.header_length
835 + skb_shinfo(skb)->gso_size);
836
837 st->p.ipv4_id = ntohs(ip_hdr(skb)->id);
838 st->seqnum = ntohl(tcp_hdr(skb)->seq);
839
840 EFX_BUG_ON_PARANOID(tcp_hdr(skb)->urg);
841 EFX_BUG_ON_PARANOID(tcp_hdr(skb)->syn);
842 EFX_BUG_ON_PARANOID(tcp_hdr(skb)->rst);
843
844 st->packet_space = st->p.full_packet_size;
845 st->remaining_len = skb->len - st->p.header_length;
846}
847
848
849/**
850 * tso_get_fragment - record fragment details and map for DMA
851 * @st: TSO state
852 * @efx: Efx NIC
853 * @data: Pointer to fragment data
854 * @len: Length of fragment
855 *
856 * Record fragment details and map for DMA. Return 0 on success, or
857 * -%ENOMEM if DMA mapping fails.
858 */
859static inline int tso_get_fragment(struct tso_state *st, struct efx_nic *efx,
860 int len, struct page *page, int page_off)
861{
862
863 st->ifc.unmap_addr = pci_map_page(efx->pci_dev, page, page_off,
864 len, PCI_DMA_TODEVICE);
865 if (likely(!pci_dma_mapping_error(st->ifc.unmap_addr))) {
866 st->ifc.unmap_len = len;
867 st->ifc.len = len;
868 st->ifc.dma_addr = st->ifc.unmap_addr;
869 st->ifc.page = page;
870 st->ifc.page_off = page_off;
871 return 0;
872 }
873 return -ENOMEM;
874}
875
876
877/**
878 * tso_fill_packet_with_fragment - form descriptors for the current fragment
879 * @tx_queue: Efx TX queue
880 * @skb: Socket buffer
881 * @st: TSO state
882 *
883 * Form descriptors for the current fragment, until we reach the end
884 * of fragment or end-of-packet. Return 0 on success, 1 if not enough
885 * space in @tx_queue.
886 */
887static inline int tso_fill_packet_with_fragment(struct efx_tx_queue *tx_queue,
888 const struct sk_buff *skb,
889 struct tso_state *st)
890{
891
892 int n, end_of_packet, rc;
893
894 if (st->ifc.len == 0)
895 return 0;
896 if (st->packet_space == 0)
897 return 0;
898
899 EFX_BUG_ON_PARANOID(st->ifc.len <= 0);
900 EFX_BUG_ON_PARANOID(st->packet_space <= 0);
901
902 n = min(st->ifc.len, st->packet_space);
903
904 st->packet_space -= n;
905 st->remaining_len -= n;
906 st->ifc.len -= n;
907 st->ifc.page_off += n;
908 end_of_packet = st->remaining_len == 0 || st->packet_space == 0;
909
910 rc = efx_tx_queue_insert(tx_queue, st->ifc.dma_addr, n,
911 st->remaining_len ? NULL : skb,
912 end_of_packet, st->ifc.unmap_addr,
913 st->ifc.len ? 0 : st->ifc.unmap_len);
914
915 st->ifc.dma_addr += n;
916
917 return rc;
918}
919
920
921/**
922 * tso_start_new_packet - generate a new header and prepare for the new packet
923 * @tx_queue: Efx TX queue
924 * @skb: Socket buffer
925 * @st: TSO state
926 *
927 * Generate a new header and prepare for the new packet. Return 0 on
928 * success, or -1 if failed to alloc header.
929 */
930static inline int tso_start_new_packet(struct efx_tx_queue *tx_queue,
931 const struct sk_buff *skb,
932 struct tso_state *st)
933{
934 struct efx_tso_header *tsoh;
935 struct iphdr *tsoh_iph;
936 struct tcphdr *tsoh_th;
937 unsigned ip_length;
938 u8 *header;
939
940 /* Allocate a DMA-mapped header buffer. */
941 if (likely(TSOH_SIZE(st->p.header_length) <= TSOH_STD_SIZE)) {
942 if (tx_queue->tso_headers_free == NULL)
943 if (efx_tsoh_block_alloc(tx_queue))
944 return -1;
945 EFX_BUG_ON_PARANOID(!tx_queue->tso_headers_free);
946 tsoh = tx_queue->tso_headers_free;
947 tx_queue->tso_headers_free = tsoh->next;
948 tsoh->unmap_len = 0;
949 } else {
950 tx_queue->tso_long_headers++;
951 tsoh = efx_tsoh_heap_alloc(tx_queue, st->p.header_length);
952 if (unlikely(!tsoh))
953 return -1;
954 }
955
956 header = TSOH_BUFFER(tsoh);
957 tsoh_th = (struct tcphdr *)(header + SKB_TCP_OFF(skb));
958 tsoh_iph = (struct iphdr *)(header + SKB_IPV4_OFF(skb));
959
960 /* Copy and update the headers. */
961 memcpy(header, skb->data, st->p.header_length);
962
963 tsoh_th->seq = htonl(st->seqnum);
964 st->seqnum += skb_shinfo(skb)->gso_size;
965 if (st->remaining_len > skb_shinfo(skb)->gso_size) {
966 /* This packet will not finish the TSO burst. */
967 ip_length = st->p.full_packet_size - ETH_HDR_LEN(skb);
968 tsoh_th->fin = 0;
969 tsoh_th->psh = 0;
970 } else {
971 /* This packet will be the last in the TSO burst. */
972 ip_length = (st->p.header_length - ETH_HDR_LEN(skb)
973 + st->remaining_len);
974 tsoh_th->fin = tcp_hdr(skb)->fin;
975 tsoh_th->psh = tcp_hdr(skb)->psh;
976 }
977 tsoh_iph->tot_len = htons(ip_length);
978
979 /* Linux leaves suitable gaps in the IP ID space for us to fill. */
980 tsoh_iph->id = htons(st->p.ipv4_id);
981 st->p.ipv4_id++;
982
983 st->packet_space = skb_shinfo(skb)->gso_size;
984 ++tx_queue->tso_packets;
985
986 /* Form a descriptor for this header. */
987 efx_tso_put_header(tx_queue, tsoh, st->p.header_length);
988
989 return 0;
990}
991
992
993/**
994 * efx_enqueue_skb_tso - segment and transmit a TSO socket buffer
995 * @tx_queue: Efx TX queue
996 * @skb: Socket buffer
997 *
998 * Context: You must hold netif_tx_lock() to call this function.
999 *
1000 * Add socket buffer @skb to @tx_queue, doing TSO or return != 0 if
1001 * @skb was not enqueued. In all cases @skb is consumed. Return
1002 * %NETDEV_TX_OK or %NETDEV_TX_BUSY.
1003 */
1004static int efx_enqueue_skb_tso(struct efx_tx_queue *tx_queue,
1005 const struct sk_buff *skb)
1006{
1007 int frag_i, rc, rc2 = NETDEV_TX_OK;
1008 struct tso_state state;
1009 skb_frag_t *f;
1010
1011 /* Verify TSO is safe - these checks should never fail. */
1012 efx_tso_check_safe(skb);
1013
1014 EFX_BUG_ON_PARANOID(tx_queue->write_count != tx_queue->insert_count);
1015
1016 tso_start(&state, skb);
1017
1018 /* Assume that skb header area contains exactly the headers, and
1019 * all payload is in the frag list.
1020 */
1021 if (skb_headlen(skb) == state.p.header_length) {
1022 /* Grab the first payload fragment. */
1023 EFX_BUG_ON_PARANOID(skb_shinfo(skb)->nr_frags < 1);
1024 frag_i = 0;
1025 f = &skb_shinfo(skb)->frags[frag_i];
1026 rc = tso_get_fragment(&state, tx_queue->efx,
1027 f->size, f->page, f->page_offset);
1028 if (rc)
1029 goto mem_err;
1030 } else {
1031 /* It may look like this code fragment assumes that the
1032 * skb->data portion does not cross a page boundary, but
1033 * that is not the case. It is guaranteed to be direct
1034 * mapped memory, and therefore is physically contiguous,
1035 * and so DMA will work fine. kmap_atomic() on this region
1036 * will just return the direct mapping, so that will work
1037 * too.
1038 */
1039 int page_off = (unsigned long)skb->data & (PAGE_SIZE - 1);
1040 int hl = state.p.header_length;
1041 rc = tso_get_fragment(&state, tx_queue->efx,
1042 skb_headlen(skb) - hl,
1043 virt_to_page(skb->data), page_off + hl);
1044 if (rc)
1045 goto mem_err;
1046 frag_i = -1;
1047 }
1048
1049 if (tso_start_new_packet(tx_queue, skb, &state) < 0)
1050 goto mem_err;
1051
1052 while (1) {
1053 rc = tso_fill_packet_with_fragment(tx_queue, skb, &state);
1054 if (unlikely(rc))
1055 goto stop;
1056
1057 /* Move onto the next fragment? */
1058 if (state.ifc.len == 0) {
1059 if (++frag_i >= skb_shinfo(skb)->nr_frags)
1060 /* End of payload reached. */
1061 break;
1062 f = &skb_shinfo(skb)->frags[frag_i];
1063 rc = tso_get_fragment(&state, tx_queue->efx,
1064 f->size, f->page, f->page_offset);
1065 if (rc)
1066 goto mem_err;
1067 }
1068
1069 /* Start at new packet? */
1070 if (state.packet_space == 0 &&
1071 tso_start_new_packet(tx_queue, skb, &state) < 0)
1072 goto mem_err;
1073 }
1074
1075 /* Pass off to hardware */
1076 falcon_push_buffers(tx_queue);
1077
1078 tx_queue->tso_bursts++;
1079 return NETDEV_TX_OK;
1080
1081 mem_err:
1082 EFX_ERR(tx_queue->efx, "Out of memory for TSO headers, or PCI mapping"
1083 " error\n");
1084 dev_kfree_skb_any((struct sk_buff *)skb);
1085 goto unwind;
1086
1087 stop:
1088 rc2 = NETDEV_TX_BUSY;
1089
1090 /* Stop the queue if it wasn't stopped before. */
1091 if (tx_queue->stopped == 1)
1092 efx_stop_queue(tx_queue->efx);
1093
1094 unwind:
1095 efx_enqueue_unwind(tx_queue);
1096 return rc2;
1097}
1098
1099
1100/*
1101 * Free up all TSO datastructures associated with tx_queue. This
1102 * routine should be called only once the tx_queue is both empty and
1103 * will no longer be used.
1104 */
1105static void efx_fini_tso(struct efx_tx_queue *tx_queue)
1106{
1107 unsigned i;
1108
1109 if (tx_queue->buffer)
1110 for (i = 0; i <= tx_queue->efx->type->txd_ring_mask; ++i)
1111 efx_tsoh_free(tx_queue, &tx_queue->buffer[i]);
1112
1113 while (tx_queue->tso_headers_free != NULL)
1114 efx_tsoh_block_free(tx_queue, tx_queue->tso_headers_free,
1115 tx_queue->efx->pci_dev);
1116}
diff --git a/drivers/net/sfc/xfp_phy.c b/drivers/net/sfc/xfp_phy.c
index 66dd5bf1eaa9..3b9f9ddbc372 100644
--- a/drivers/net/sfc/xfp_phy.c
+++ b/drivers/net/sfc/xfp_phy.c
@@ -24,6 +24,10 @@
24 MDIO_MMDREG_DEVS0_PMAPMD | \ 24 MDIO_MMDREG_DEVS0_PMAPMD | \
25 MDIO_MMDREG_DEVS0_PHYXS) 25 MDIO_MMDREG_DEVS0_PHYXS)
26 26
27#define XFP_LOOPBACKS ((1 << LOOPBACK_PCS) | \
28 (1 << LOOPBACK_PMAPMD) | \
29 (1 << LOOPBACK_NETWORK))
30
27/****************************************************************************/ 31/****************************************************************************/
28/* Quake-specific MDIO registers */ 32/* Quake-specific MDIO registers */
29#define MDIO_QUAKE_LED0_REG (0xD006) 33#define MDIO_QUAKE_LED0_REG (0xD006)
@@ -35,6 +39,10 @@ void xfp_set_led(struct efx_nic *p, int led, int mode)
35 mode); 39 mode);
36} 40}
37 41
42struct xfp_phy_data {
43 int tx_disabled;
44};
45
38#define XFP_MAX_RESET_TIME 500 46#define XFP_MAX_RESET_TIME 500
39#define XFP_RESET_WAIT 10 47#define XFP_RESET_WAIT 10
40 48
@@ -72,18 +80,31 @@ static int xfp_reset_phy(struct efx_nic *efx)
72 80
73static int xfp_phy_init(struct efx_nic *efx) 81static int xfp_phy_init(struct efx_nic *efx)
74{ 82{
83 struct xfp_phy_data *phy_data;
75 u32 devid = mdio_clause45_read_id(efx, MDIO_MMD_PHYXS); 84 u32 devid = mdio_clause45_read_id(efx, MDIO_MMD_PHYXS);
76 int rc; 85 int rc;
77 86
87 phy_data = kzalloc(sizeof(struct xfp_phy_data), GFP_KERNEL);
88 efx->phy_data = (void *) phy_data;
89
78 EFX_INFO(efx, "XFP: PHY ID reg %x (OUI %x model %x revision" 90 EFX_INFO(efx, "XFP: PHY ID reg %x (OUI %x model %x revision"
79 " %x)\n", devid, MDIO_ID_OUI(devid), MDIO_ID_MODEL(devid), 91 " %x)\n", devid, MDIO_ID_OUI(devid), MDIO_ID_MODEL(devid),
80 MDIO_ID_REV(devid)); 92 MDIO_ID_REV(devid));
81 93
94 phy_data->tx_disabled = efx->tx_disabled;
95
82 rc = xfp_reset_phy(efx); 96 rc = xfp_reset_phy(efx);
83 97
84 EFX_INFO(efx, "XFP: PHY init %s.\n", 98 EFX_INFO(efx, "XFP: PHY init %s.\n",
85 rc ? "failed" : "successful"); 99 rc ? "failed" : "successful");
100 if (rc < 0)
101 goto fail;
86 102
103 return 0;
104
105 fail:
106 kfree(efx->phy_data);
107 efx->phy_data = NULL;
87 return rc; 108 return rc;
88} 109}
89 110
@@ -110,6 +131,16 @@ static int xfp_phy_check_hw(struct efx_nic *efx)
110 131
111static void xfp_phy_reconfigure(struct efx_nic *efx) 132static void xfp_phy_reconfigure(struct efx_nic *efx)
112{ 133{
134 struct xfp_phy_data *phy_data = efx->phy_data;
135
136 /* Reset the PHY when moving from tx off to tx on */
137 if (phy_data->tx_disabled && !efx->tx_disabled)
138 xfp_reset_phy(efx);
139
140 mdio_clause45_transmit_disable(efx);
141 mdio_clause45_phy_reconfigure(efx);
142
143 phy_data->tx_disabled = efx->tx_disabled;
113 efx->link_up = xfp_link_ok(efx); 144 efx->link_up = xfp_link_ok(efx);
114 efx->link_options = GM_LPA_10000FULL; 145 efx->link_options = GM_LPA_10000FULL;
115} 146}
@@ -119,6 +150,10 @@ static void xfp_phy_fini(struct efx_nic *efx)
119{ 150{
120 /* Clobber the LED if it was blinking */ 151 /* Clobber the LED if it was blinking */
121 efx->board_info.blink(efx, 0); 152 efx->board_info.blink(efx, 0);
153
154 /* Free the context block */
155 kfree(efx->phy_data);
156 efx->phy_data = NULL;
122} 157}
123 158
124struct efx_phy_operations falcon_xfp_phy_ops = { 159struct efx_phy_operations falcon_xfp_phy_ops = {
@@ -129,4 +164,5 @@ struct efx_phy_operations falcon_xfp_phy_ops = {
129 .clear_interrupt = xfp_phy_clear_interrupt, 164 .clear_interrupt = xfp_phy_clear_interrupt,
130 .reset_xaui = efx_port_dummy_op_void, 165 .reset_xaui = efx_port_dummy_op_void,
131 .mmds = XFP_REQUIRED_DEVS, 166 .mmds = XFP_REQUIRED_DEVS,
167 .loopbacks = XFP_LOOPBACKS,
132}; 168};
diff --git a/drivers/net/sky2.h b/drivers/net/sky2.h
index 7bb3ba9bcbd8..c0a5eea20007 100644
--- a/drivers/net/sky2.h
+++ b/drivers/net/sky2.h
@@ -1966,13 +1966,13 @@ struct sky2_status_le {
1966struct tx_ring_info { 1966struct tx_ring_info {
1967 struct sk_buff *skb; 1967 struct sk_buff *skb;
1968 DECLARE_PCI_UNMAP_ADDR(mapaddr); 1968 DECLARE_PCI_UNMAP_ADDR(mapaddr);
1969 DECLARE_PCI_UNMAP_ADDR(maplen); 1969 DECLARE_PCI_UNMAP_LEN(maplen);
1970}; 1970};
1971 1971
1972struct rx_ring_info { 1972struct rx_ring_info {
1973 struct sk_buff *skb; 1973 struct sk_buff *skb;
1974 dma_addr_t data_addr; 1974 dma_addr_t data_addr;
1975 DECLARE_PCI_UNMAP_ADDR(data_size); 1975 DECLARE_PCI_UNMAP_LEN(data_size);
1976 dma_addr_t frag_addr[ETH_JUMBO_MTU >> PAGE_SHIFT]; 1976 dma_addr_t frag_addr[ETH_JUMBO_MTU >> PAGE_SHIFT];
1977}; 1977};
1978 1978
diff --git a/drivers/net/wan/Kconfig b/drivers/net/wan/Kconfig
index 8005dd16fb4e..d5140aed7b79 100644
--- a/drivers/net/wan/Kconfig
+++ b/drivers/net/wan/Kconfig
@@ -150,11 +150,9 @@ config HDLC_FR
150 150
151config HDLC_PPP 151config HDLC_PPP
152 tristate "Synchronous Point-to-Point Protocol (PPP) support" 152 tristate "Synchronous Point-to-Point Protocol (PPP) support"
153 depends on HDLC && BROKEN 153 depends on HDLC
154 help 154 help
155 Generic HDLC driver supporting PPP over WAN connections. 155 Generic HDLC driver supporting PPP over WAN connections.
156 This module is currently broken and will cause a kernel panic
157 when a device configured in PPP mode is activated.
158 156
159 It will be replaced by new PPP implementation in Linux 2.6.26. 157 It will be replaced by new PPP implementation in Linux 2.6.26.
160 158
diff --git a/drivers/net/wan/cosa.c b/drivers/net/wan/cosa.c
index 45ddfc9763cc..b0fce1387eaf 100644
--- a/drivers/net/wan/cosa.c
+++ b/drivers/net/wan/cosa.c
@@ -629,7 +629,7 @@ static void sppp_channel_init(struct channel_data *chan)
629 d->base_addr = chan->cosa->datareg; 629 d->base_addr = chan->cosa->datareg;
630 d->irq = chan->cosa->irq; 630 d->irq = chan->cosa->irq;
631 d->dma = chan->cosa->dma; 631 d->dma = chan->cosa->dma;
632 d->priv = chan; 632 d->ml_priv = chan;
633 sppp_attach(&chan->pppdev); 633 sppp_attach(&chan->pppdev);
634 if (register_netdev(d)) { 634 if (register_netdev(d)) {
635 printk(KERN_WARNING "%s: register_netdev failed.\n", d->name); 635 printk(KERN_WARNING "%s: register_netdev failed.\n", d->name);
@@ -650,7 +650,7 @@ static void sppp_channel_delete(struct channel_data *chan)
650 650
651static int cosa_sppp_open(struct net_device *d) 651static int cosa_sppp_open(struct net_device *d)
652{ 652{
653 struct channel_data *chan = d->priv; 653 struct channel_data *chan = d->ml_priv;
654 int err; 654 int err;
655 unsigned long flags; 655 unsigned long flags;
656 656
@@ -690,7 +690,7 @@ static int cosa_sppp_open(struct net_device *d)
690 690
691static int cosa_sppp_tx(struct sk_buff *skb, struct net_device *dev) 691static int cosa_sppp_tx(struct sk_buff *skb, struct net_device *dev)
692{ 692{
693 struct channel_data *chan = dev->priv; 693 struct channel_data *chan = dev->ml_priv;
694 694
695 netif_stop_queue(dev); 695 netif_stop_queue(dev);
696 696
@@ -701,7 +701,7 @@ static int cosa_sppp_tx(struct sk_buff *skb, struct net_device *dev)
701 701
702static void cosa_sppp_timeout(struct net_device *dev) 702static void cosa_sppp_timeout(struct net_device *dev)
703{ 703{
704 struct channel_data *chan = dev->priv; 704 struct channel_data *chan = dev->ml_priv;
705 705
706 if (test_bit(RXBIT, &chan->cosa->rxtx)) { 706 if (test_bit(RXBIT, &chan->cosa->rxtx)) {
707 chan->stats.rx_errors++; 707 chan->stats.rx_errors++;
@@ -720,7 +720,7 @@ static void cosa_sppp_timeout(struct net_device *dev)
720 720
721static int cosa_sppp_close(struct net_device *d) 721static int cosa_sppp_close(struct net_device *d)
722{ 722{
723 struct channel_data *chan = d->priv; 723 struct channel_data *chan = d->ml_priv;
724 unsigned long flags; 724 unsigned long flags;
725 725
726 netif_stop_queue(d); 726 netif_stop_queue(d);
@@ -800,7 +800,7 @@ static int sppp_tx_done(struct channel_data *chan, int size)
800 800
801static struct net_device_stats *cosa_net_stats(struct net_device *dev) 801static struct net_device_stats *cosa_net_stats(struct net_device *dev)
802{ 802{
803 struct channel_data *chan = dev->priv; 803 struct channel_data *chan = dev->ml_priv;
804 return &chan->stats; 804 return &chan->stats;
805} 805}
806 806
@@ -1217,7 +1217,7 @@ static int cosa_sppp_ioctl(struct net_device *dev, struct ifreq *ifr,
1217 int cmd) 1217 int cmd)
1218{ 1218{
1219 int rv; 1219 int rv;
1220 struct channel_data *chan = dev->priv; 1220 struct channel_data *chan = dev->ml_priv;
1221 rv = cosa_ioctl_common(chan->cosa, chan, cmd, (unsigned long)ifr->ifr_data); 1221 rv = cosa_ioctl_common(chan->cosa, chan, cmd, (unsigned long)ifr->ifr_data);
1222 if (rv == -ENOIOCTLCMD) { 1222 if (rv == -ENOIOCTLCMD) {
1223 return sppp_do_ioctl(dev, ifr, cmd); 1223 return sppp_do_ioctl(dev, ifr, cmd);
diff --git a/drivers/net/wan/hdlc_ppp.c b/drivers/net/wan/hdlc_ppp.c
index 10396d9686f4..00308337928e 100644
--- a/drivers/net/wan/hdlc_ppp.c
+++ b/drivers/net/wan/hdlc_ppp.c
@@ -45,7 +45,7 @@ static int ppp_open(struct net_device *dev)
45 int (*old_ioctl)(struct net_device *, struct ifreq *, int); 45 int (*old_ioctl)(struct net_device *, struct ifreq *, int);
46 int result; 46 int result;
47 47
48 dev->priv = &state(hdlc)->syncppp_ptr; 48 dev->ml_priv = &state(hdlc)->syncppp_ptr;
49 state(hdlc)->syncppp_ptr = &state(hdlc)->pppdev; 49 state(hdlc)->syncppp_ptr = &state(hdlc)->pppdev;
50 state(hdlc)->pppdev.dev = dev; 50 state(hdlc)->pppdev.dev = dev;
51 51
diff --git a/drivers/net/wan/hostess_sv11.c b/drivers/net/wan/hostess_sv11.c
index 83dbc924fcb5..f3065d3473fd 100644
--- a/drivers/net/wan/hostess_sv11.c
+++ b/drivers/net/wan/hostess_sv11.c
@@ -75,7 +75,7 @@ static void hostess_input(struct z8530_channel *c, struct sk_buff *skb)
75 75
76static int hostess_open(struct net_device *d) 76static int hostess_open(struct net_device *d)
77{ 77{
78 struct sv11_device *sv11=d->priv; 78 struct sv11_device *sv11=d->ml_priv;
79 int err = -1; 79 int err = -1;
80 80
81 /* 81 /*
@@ -128,7 +128,7 @@ static int hostess_open(struct net_device *d)
128 128
129static int hostess_close(struct net_device *d) 129static int hostess_close(struct net_device *d)
130{ 130{
131 struct sv11_device *sv11=d->priv; 131 struct sv11_device *sv11=d->ml_priv;
132 /* 132 /*
133 * Discard new frames 133 * Discard new frames
134 */ 134 */
@@ -159,14 +159,14 @@ static int hostess_close(struct net_device *d)
159 159
160static int hostess_ioctl(struct net_device *d, struct ifreq *ifr, int cmd) 160static int hostess_ioctl(struct net_device *d, struct ifreq *ifr, int cmd)
161{ 161{
162 /* struct sv11_device *sv11=d->priv; 162 /* struct sv11_device *sv11=d->ml_priv;
163 z8530_ioctl(d,&sv11->sync.chanA,ifr,cmd) */ 163 z8530_ioctl(d,&sv11->sync.chanA,ifr,cmd) */
164 return sppp_do_ioctl(d, ifr,cmd); 164 return sppp_do_ioctl(d, ifr,cmd);
165} 165}
166 166
167static struct net_device_stats *hostess_get_stats(struct net_device *d) 167static struct net_device_stats *hostess_get_stats(struct net_device *d)
168{ 168{
169 struct sv11_device *sv11=d->priv; 169 struct sv11_device *sv11=d->ml_priv;
170 if(sv11) 170 if(sv11)
171 return z8530_get_stats(&sv11->sync.chanA); 171 return z8530_get_stats(&sv11->sync.chanA);
172 else 172 else
@@ -179,7 +179,7 @@ static struct net_device_stats *hostess_get_stats(struct net_device *d)
179 179
180static int hostess_queue_xmit(struct sk_buff *skb, struct net_device *d) 180static int hostess_queue_xmit(struct sk_buff *skb, struct net_device *d)
181{ 181{
182 struct sv11_device *sv11=d->priv; 182 struct sv11_device *sv11=d->ml_priv;
183 return z8530_queue_xmit(&sv11->sync.chanA, skb); 183 return z8530_queue_xmit(&sv11->sync.chanA, skb);
184} 184}
185 185
@@ -325,6 +325,7 @@ static struct sv11_device *sv11_init(int iobase, int irq)
325 /* 325 /*
326 * Initialise the PPP components 326 * Initialise the PPP components
327 */ 327 */
328 d->ml_priv = sv;
328 sppp_attach(&sv->netdev); 329 sppp_attach(&sv->netdev);
329 330
330 /* 331 /*
@@ -333,7 +334,6 @@ static struct sv11_device *sv11_init(int iobase, int irq)
333 334
334 d->base_addr = iobase; 335 d->base_addr = iobase;
335 d->irq = irq; 336 d->irq = irq;
336 d->priv = sv;
337 337
338 if(register_netdev(d)) 338 if(register_netdev(d))
339 { 339 {
diff --git a/drivers/net/wan/lmc/lmc_main.c b/drivers/net/wan/lmc/lmc_main.c
index 6635ecef36e5..62133cee446a 100644
--- a/drivers/net/wan/lmc/lmc_main.c
+++ b/drivers/net/wan/lmc/lmc_main.c
@@ -891,6 +891,7 @@ static int __devinit lmc_init_one(struct pci_dev *pdev,
891 891
892 /* Initialize the sppp layer */ 892 /* Initialize the sppp layer */
893 /* An ioctl can cause a subsequent detach for raw frame interface */ 893 /* An ioctl can cause a subsequent detach for raw frame interface */
894 dev->ml_priv = sc;
894 sc->if_type = LMC_PPP; 895 sc->if_type = LMC_PPP;
895 sc->check = 0xBEAFCAFE; 896 sc->check = 0xBEAFCAFE;
896 dev->base_addr = pci_resource_start(pdev, 0); 897 dev->base_addr = pci_resource_start(pdev, 0);
diff --git a/drivers/net/wan/sealevel.c b/drivers/net/wan/sealevel.c
index 11276bf3149f..44a89df1b8bf 100644
--- a/drivers/net/wan/sealevel.c
+++ b/drivers/net/wan/sealevel.c
@@ -241,6 +241,7 @@ static inline struct slvl_device *slvl_alloc(int iobase, int irq)
241 return NULL; 241 return NULL;
242 242
243 sv = d->priv; 243 sv = d->priv;
244 d->ml_priv = sv;
244 sv->if_ptr = &sv->pppdev; 245 sv->if_ptr = &sv->pppdev;
245 sv->pppdev.dev = d; 246 sv->pppdev.dev = d;
246 d->base_addr = iobase; 247 d->base_addr = iobase;
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c
index d3406830c8e3..62a3d8f8563e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.c
@@ -666,7 +666,7 @@ static void iwl3945_rx_reply_rx(struct iwl3945_priv *priv,
666 rx_status.flag = 0; 666 rx_status.flag = 0;
667 rx_status.mactime = le64_to_cpu(rx_end->timestamp); 667 rx_status.mactime = le64_to_cpu(rx_end->timestamp);
668 rx_status.freq = 668 rx_status.freq =
669 ieee80211_frequency_to_channel(le16_to_cpu(rx_hdr->channel)); 669 ieee80211_channel_to_frequency(le16_to_cpu(rx_hdr->channel));
670 rx_status.band = (rx_hdr->phy_flags & RX_RES_PHY_FLAGS_BAND_24_MSK) ? 670 rx_status.band = (rx_hdr->phy_flags & RX_RES_PHY_FLAGS_BAND_24_MSK) ?
671 IEEE80211_BAND_2GHZ : IEEE80211_BAND_5GHZ; 671 IEEE80211_BAND_2GHZ : IEEE80211_BAND_5GHZ;
672 672
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965-rs.c b/drivers/net/wireless/iwlwifi/iwl-4965-rs.c
index b608e1ca8b40..c9847b1a67f7 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965-rs.c
@@ -163,8 +163,8 @@ struct iwl4965_lq_sta {
163 struct dentry *rs_sta_dbgfs_tx_agg_tid_en_file; 163 struct dentry *rs_sta_dbgfs_tx_agg_tid_en_file;
164#endif 164#endif
165 struct iwl4965_rate dbg_fixed; 165 struct iwl4965_rate dbg_fixed;
166 struct iwl_priv *drv;
167#endif 166#endif
167 struct iwl_priv *drv;
168}; 168};
169 169
170static void rs_rate_scale_perform(struct iwl_priv *priv, 170static void rs_rate_scale_perform(struct iwl_priv *priv,
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index 17f629fb96ff..bf19eb8aafd0 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -3978,7 +3978,7 @@ static void iwl4965_rx_reply_rx(struct iwl_priv *priv,
3978 3978
3979 rx_status.mactime = le64_to_cpu(rx_start->timestamp); 3979 rx_status.mactime = le64_to_cpu(rx_start->timestamp);
3980 rx_status.freq = 3980 rx_status.freq =
3981 ieee80211_frequency_to_channel(le16_to_cpu(rx_start->channel)); 3981 ieee80211_channel_to_frequency(le16_to_cpu(rx_start->channel));
3982 rx_status.band = (rx_start->phy_flags & RX_RES_PHY_FLAGS_BAND_24_MSK) ? 3982 rx_status.band = (rx_start->phy_flags & RX_RES_PHY_FLAGS_BAND_24_MSK) ?
3983 IEEE80211_BAND_2GHZ : IEEE80211_BAND_5GHZ; 3983 IEEE80211_BAND_2GHZ : IEEE80211_BAND_5GHZ;
3984 rx_status.rate_idx = 3984 rx_status.rate_idx =
diff --git a/drivers/net/wireless/prism54/islpci_dev.c b/drivers/net/wireless/prism54/islpci_dev.c
index 04c2638d75ad..9196825ed1b5 100644
--- a/drivers/net/wireless/prism54/islpci_dev.c
+++ b/drivers/net/wireless/prism54/islpci_dev.c
@@ -388,8 +388,15 @@ islpci_open(struct net_device *ndev)
388 388
389 netif_start_queue(ndev); 389 netif_start_queue(ndev);
390 390
391 /* Turn off carrier unless we know we have associated */ 391 /* Turn off carrier if in STA or Ad-hoc mode. It will be turned on
392 netif_carrier_off(ndev); 392 * once the firmware receives a trap of being associated
393 * (GEN_OID_LINKSTATE). In other modes (AP or WDS or monitor) we
394 * should just leave the carrier on as its expected the firmware
395 * won't send us a trigger. */
396 if (priv->iw_mode == IW_MODE_INFRA || priv->iw_mode == IW_MODE_ADHOC)
397 netif_carrier_off(ndev);
398 else
399 netif_carrier_on(ndev);
393 400
394 return 0; 401 return 0;
395} 402}
diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c
index 8d8657fb64dd..b22c02737185 100644
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -1032,8 +1032,10 @@ static int rt2x00lib_initialize(struct rt2x00_dev *rt2x00dev)
1032 * Initialize the device. 1032 * Initialize the device.
1033 */ 1033 */
1034 status = rt2x00dev->ops->lib->initialize(rt2x00dev); 1034 status = rt2x00dev->ops->lib->initialize(rt2x00dev);
1035 if (status) 1035 if (status) {
1036 goto exit; 1036 rt2x00queue_uninitialize(rt2x00dev);
1037 return status;
1038 }
1037 1039
1038 __set_bit(DEVICE_INITIALIZED, &rt2x00dev->flags); 1040 __set_bit(DEVICE_INITIALIZED, &rt2x00dev->flags);
1039 1041
@@ -1043,11 +1045,6 @@ static int rt2x00lib_initialize(struct rt2x00_dev *rt2x00dev)
1043 rt2x00rfkill_register(rt2x00dev); 1045 rt2x00rfkill_register(rt2x00dev);
1044 1046
1045 return 0; 1047 return 0;
1046
1047exit:
1048 rt2x00lib_uninitialize(rt2x00dev);
1049
1050 return status;
1051} 1048}
1052 1049
1053int rt2x00lib_start(struct rt2x00_dev *rt2x00dev) 1050int rt2x00lib_start(struct rt2x00_dev *rt2x00dev)
diff --git a/drivers/net/wireless/rt2x00/rt2x00pci.c b/drivers/net/wireless/rt2x00/rt2x00pci.c
index 7867ec64bd2c..971af2546b59 100644
--- a/drivers/net/wireless/rt2x00/rt2x00pci.c
+++ b/drivers/net/wireless/rt2x00/rt2x00pci.c
@@ -314,13 +314,14 @@ int rt2x00pci_initialize(struct rt2x00_dev *rt2x00dev)
314 if (status) { 314 if (status) {
315 ERROR(rt2x00dev, "IRQ %d allocation failed (error %d).\n", 315 ERROR(rt2x00dev, "IRQ %d allocation failed (error %d).\n",
316 pci_dev->irq, status); 316 pci_dev->irq, status);
317 return status; 317 goto exit;
318 } 318 }
319 319
320 return 0; 320 return 0;
321 321
322exit: 322exit:
323 rt2x00pci_uninitialize(rt2x00dev); 323 queue_for_each(rt2x00dev, queue)
324 rt2x00pci_free_queue_dma(rt2x00dev, queue);
324 325
325 return status; 326 return status;
326} 327}
diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c
index ae12dcdd3c24..14bc7b281659 100644
--- a/drivers/net/wireless/rt2x00/rt61pci.c
+++ b/drivers/net/wireless/rt2x00/rt61pci.c
@@ -2366,6 +2366,7 @@ static int rt61pci_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb,
2366{ 2366{
2367 struct rt2x00_dev *rt2x00dev = hw->priv; 2367 struct rt2x00_dev *rt2x00dev = hw->priv;
2368 struct rt2x00_intf *intf = vif_to_intf(control->vif); 2368 struct rt2x00_intf *intf = vif_to_intf(control->vif);
2369 struct queue_entry_priv_pci_tx *priv_tx;
2369 struct skb_frame_desc *skbdesc; 2370 struct skb_frame_desc *skbdesc;
2370 unsigned int beacon_base; 2371 unsigned int beacon_base;
2371 u32 reg; 2372 u32 reg;
@@ -2373,21 +2374,8 @@ static int rt61pci_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb,
2373 if (unlikely(!intf->beacon)) 2374 if (unlikely(!intf->beacon))
2374 return -ENOBUFS; 2375 return -ENOBUFS;
2375 2376
2376 /* 2377 priv_tx = intf->beacon->priv_data;
2377 * We need to append the descriptor in front of the 2378 memset(priv_tx->desc, 0, intf->beacon->queue->desc_size);
2378 * beacon frame.
2379 */
2380 if (skb_headroom(skb) < intf->beacon->queue->desc_size) {
2381 if (pskb_expand_head(skb, intf->beacon->queue->desc_size,
2382 0, GFP_ATOMIC))
2383 return -ENOMEM;
2384 }
2385
2386 /*
2387 * Add the descriptor in front of the skb.
2388 */
2389 skb_push(skb, intf->beacon->queue->desc_size);
2390 memset(skb->data, 0, intf->beacon->queue->desc_size);
2391 2379
2392 /* 2380 /*
2393 * Fill in skb descriptor 2381 * Fill in skb descriptor
@@ -2395,9 +2383,9 @@ static int rt61pci_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb,
2395 skbdesc = get_skb_frame_desc(skb); 2383 skbdesc = get_skb_frame_desc(skb);
2396 memset(skbdesc, 0, sizeof(*skbdesc)); 2384 memset(skbdesc, 0, sizeof(*skbdesc));
2397 skbdesc->flags |= FRAME_DESC_DRIVER_GENERATED; 2385 skbdesc->flags |= FRAME_DESC_DRIVER_GENERATED;
2398 skbdesc->data = skb->data + intf->beacon->queue->desc_size; 2386 skbdesc->data = skb->data;
2399 skbdesc->data_len = skb->len - intf->beacon->queue->desc_size; 2387 skbdesc->data_len = skb->len;
2400 skbdesc->desc = skb->data; 2388 skbdesc->desc = priv_tx->desc;
2401 skbdesc->desc_len = intf->beacon->queue->desc_size; 2389 skbdesc->desc_len = intf->beacon->queue->desc_size;
2402 skbdesc->entry = intf->beacon; 2390 skbdesc->entry = intf->beacon;
2403 2391
@@ -2425,7 +2413,10 @@ static int rt61pci_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb,
2425 */ 2413 */
2426 beacon_base = HW_BEACON_OFFSET(intf->beacon->entry_idx); 2414 beacon_base = HW_BEACON_OFFSET(intf->beacon->entry_idx);
2427 rt2x00pci_register_multiwrite(rt2x00dev, beacon_base, 2415 rt2x00pci_register_multiwrite(rt2x00dev, beacon_base,
2428 skb->data, skb->len); 2416 skbdesc->desc, skbdesc->desc_len);
2417 rt2x00pci_register_multiwrite(rt2x00dev,
2418 beacon_base + skbdesc->desc_len,
2419 skbdesc->data, skbdesc->data_len);
2429 rt61pci_kick_tx_queue(rt2x00dev, control->queue); 2420 rt61pci_kick_tx_queue(rt2x00dev, control->queue);
2430 2421
2431 return 0; 2422 return 0;
@@ -2490,7 +2481,7 @@ static const struct data_queue_desc rt61pci_queue_tx = {
2490 2481
2491static const struct data_queue_desc rt61pci_queue_bcn = { 2482static const struct data_queue_desc rt61pci_queue_bcn = {
2492 .entry_num = 4 * BEACON_ENTRIES, 2483 .entry_num = 4 * BEACON_ENTRIES,
2493 .data_size = MGMT_FRAME_SIZE, 2484 .data_size = 0, /* No DMA required for beacons */
2494 .desc_size = TXINFO_SIZE, 2485 .desc_size = TXINFO_SIZE,
2495 .priv_size = sizeof(struct queue_entry_priv_pci_tx), 2486 .priv_size = sizeof(struct queue_entry_priv_pci_tx),
2496}; 2487};
diff --git a/drivers/net/wireless/wavelan.c b/drivers/net/wireless/wavelan.c
index 03384a43186b..49ae97003952 100644
--- a/drivers/net/wireless/wavelan.c
+++ b/drivers/net/wireless/wavelan.c
@@ -908,9 +908,9 @@ static void wv_psa_show(psa_t * p)
908 p->psa_call_code[3], p->psa_call_code[4], p->psa_call_code[5], 908 p->psa_call_code[3], p->psa_call_code[4], p->psa_call_code[5],
909 p->psa_call_code[6], p->psa_call_code[7]); 909 p->psa_call_code[6], p->psa_call_code[7]);
910#ifdef DEBUG_SHOW_UNUSED 910#ifdef DEBUG_SHOW_UNUSED
911 printk(KERN_DEBUG "psa_reserved[]: %02X:%02X:%02X:%02X\n", 911 printk(KERN_DEBUG "psa_reserved[]: %02X:%02X\n",
912 p->psa_reserved[0], 912 p->psa_reserved[0],
913 p->psa_reserved[1], p->psa_reserved[2], p->psa_reserved[3]); 913 p->psa_reserved[1]);
914#endif /* DEBUG_SHOW_UNUSED */ 914#endif /* DEBUG_SHOW_UNUSED */
915 printk(KERN_DEBUG "psa_conf_status: %d, ", p->psa_conf_status); 915 printk(KERN_DEBUG "psa_conf_status: %d, ", p->psa_conf_status);
916 printk("psa_crc: 0x%02x%02x, ", p->psa_crc[0], p->psa_crc[1]); 916 printk("psa_crc: 0x%02x%02x, ", p->psa_crc[0], p->psa_crc[1]);
diff --git a/drivers/net/wireless/wavelan_cs.c b/drivers/net/wireless/wavelan_cs.c
index baf74015751c..b584c0ecc62d 100644
--- a/drivers/net/wireless/wavelan_cs.c
+++ b/drivers/net/wireless/wavelan_cs.c
@@ -1074,11 +1074,9 @@ wv_psa_show(psa_t * p)
1074 p->psa_call_code[6], 1074 p->psa_call_code[6],
1075 p->psa_call_code[7]); 1075 p->psa_call_code[7]);
1076#ifdef DEBUG_SHOW_UNUSED 1076#ifdef DEBUG_SHOW_UNUSED
1077 printk(KERN_DEBUG "psa_reserved[]: %02X:%02X:%02X:%02X\n", 1077 printk(KERN_DEBUG "psa_reserved[]: %02X:%02X\n",
1078 p->psa_reserved[0], 1078 p->psa_reserved[0],
1079 p->psa_reserved[1], 1079 p->psa_reserved[1]);
1080 p->psa_reserved[2],
1081 p->psa_reserved[3]);
1082#endif /* DEBUG_SHOW_UNUSED */ 1080#endif /* DEBUG_SHOW_UNUSED */
1083 printk(KERN_DEBUG "psa_conf_status: %d, ", p->psa_conf_status); 1081 printk(KERN_DEBUG "psa_conf_status: %d, ", p->psa_conf_status);
1084 printk("psa_crc: 0x%02x%02x, ", p->psa_crc[0], p->psa_crc[1]); 1082 printk("psa_crc: 0x%02x%02x, ", p->psa_crc[0], p->psa_crc[1]);
diff --git a/drivers/net/wireless/zd1211rw/zd_usb.c b/drivers/net/wireless/zd1211rw/zd_usb.c
index 5316074f39f0..12e24f04dddf 100644
--- a/drivers/net/wireless/zd1211rw/zd_usb.c
+++ b/drivers/net/wireless/zd1211rw/zd_usb.c
@@ -889,9 +889,13 @@ static void tx_urb_complete(struct urb *urb)
889 } 889 }
890free_urb: 890free_urb:
891 skb = (struct sk_buff *)urb->context; 891 skb = (struct sk_buff *)urb->context;
892 zd_mac_tx_to_dev(skb, urb->status); 892 /*
893 * grab 'usb' pointer before handing off the skb (since
894 * it might be freed by zd_mac_tx_to_dev or mac80211)
895 */
893 cb = (struct zd_tx_skb_control_block *)skb->cb; 896 cb = (struct zd_tx_skb_control_block *)skb->cb;
894 usb = &zd_hw_mac(cb->hw)->chip.usb; 897 usb = &zd_hw_mac(cb->hw)->chip.usb;
898 zd_mac_tx_to_dev(skb, urb->status);
895 free_tx_urb(usb, urb); 899 free_tx_urb(usb, urb);
896 tx_dec_submitted_urbs(usb); 900 tx_dec_submitted_urbs(usb);
897 return; 901 return;
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 7c1d4466583b..b11e6e19e96c 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -93,14 +93,16 @@ struct wireless_dev;
93 * used. 93 * used.
94 */ 94 */
95 95
96#if !defined(CONFIG_AX25) && !defined(CONFIG_AX25_MODULE) && !defined(CONFIG_TR) 96#if defined(CONFIG_WLAN_80211) || defined(CONFIG_AX25) || defined(CONFIG_AX25_MODULE)
97#define LL_MAX_HEADER 32 97# if defined(CONFIG_MAC80211_MESH)
98# define LL_MAX_HEADER 128
99# else
100# define LL_MAX_HEADER 96
101# endif
102#elif defined(CONFIG_TR)
103# define LL_MAX_HEADER 48
98#else 104#else
99#if defined(CONFIG_AX25) || defined(CONFIG_AX25_MODULE) 105# define LL_MAX_HEADER 32
100#define LL_MAX_HEADER 96
101#else
102#define LL_MAX_HEADER 48
103#endif
104#endif 106#endif
105 107
106#if !defined(CONFIG_NET_IPIP) && !defined(CONFIG_NET_IPIP_MODULE) && \ 108#if !defined(CONFIG_NET_IPIP) && !defined(CONFIG_NET_IPIP_MODULE) && \
@@ -244,11 +246,16 @@ struct hh_cache
244 * 246 *
245 * We could use other alignment values, but we must maintain the 247 * We could use other alignment values, but we must maintain the
246 * relationship HH alignment <= LL alignment. 248 * relationship HH alignment <= LL alignment.
249 *
250 * LL_ALLOCATED_SPACE also takes into account the tailroom the device
251 * may need.
247 */ 252 */
248#define LL_RESERVED_SPACE(dev) \ 253#define LL_RESERVED_SPACE(dev) \
249 (((dev)->hard_header_len&~(HH_DATA_MOD - 1)) + HH_DATA_MOD) 254 ((((dev)->hard_header_len+(dev)->needed_headroom)&~(HH_DATA_MOD - 1)) + HH_DATA_MOD)
250#define LL_RESERVED_SPACE_EXTRA(dev,extra) \ 255#define LL_RESERVED_SPACE_EXTRA(dev,extra) \
251 ((((dev)->hard_header_len+extra)&~(HH_DATA_MOD - 1)) + HH_DATA_MOD) 256 ((((dev)->hard_header_len+(dev)->needed_headroom+(extra))&~(HH_DATA_MOD - 1)) + HH_DATA_MOD)
257#define LL_ALLOCATED_SPACE(dev) \
258 ((((dev)->hard_header_len+(dev)->needed_headroom+(dev)->needed_tailroom)&~(HH_DATA_MOD - 1)) + HH_DATA_MOD)
252 259
253struct header_ops { 260struct header_ops {
254 int (*create) (struct sk_buff *skb, struct net_device *dev, 261 int (*create) (struct sk_buff *skb, struct net_device *dev,
@@ -567,6 +574,13 @@ struct net_device
567 unsigned short type; /* interface hardware type */ 574 unsigned short type; /* interface hardware type */
568 unsigned short hard_header_len; /* hardware hdr length */ 575 unsigned short hard_header_len; /* hardware hdr length */
569 576
577 /* extra head- and tailroom the hardware may need, but not in all cases
578 * can this be guaranteed, especially tailroom. Some cases also use
579 * LL_MAX_HEADER instead to allocate the skb.
580 */
581 unsigned short needed_headroom;
582 unsigned short needed_tailroom;
583
570 struct net_device *master; /* Pointer to master device of a group, 584 struct net_device *master; /* Pointer to master device of a group,
571 * which this device is member of. 585 * which this device is member of.
572 */ 586 */
@@ -715,6 +729,9 @@ struct net_device
715 struct net *nd_net; 729 struct net *nd_net;
716#endif 730#endif
717 731
732 /* mid-layer private */
733 void *ml_priv;
734
718 /* bridge stuff */ 735 /* bridge stuff */
719 struct net_bridge_port *br_port; 736 struct net_bridge_port *br_port;
720 /* macvlan */ 737 /* macvlan */
diff --git a/include/net/irda/discovery.h b/include/net/irda/discovery.h
index e4efad1f9eff..0ce93398720d 100644
--- a/include/net/irda/discovery.h
+++ b/include/net/irda/discovery.h
@@ -57,9 +57,6 @@ typedef union {
57 __u8 byte[2]; 57 __u8 byte[2];
58} __u16_host_order; 58} __u16_host_order;
59 59
60/* Same purpose, different application */
61#define u16ho(array) (* ((__u16 *) array))
62
63/* Types of discovery */ 60/* Types of discovery */
64typedef enum { 61typedef enum {
65 DISCOVERY_LOG, /* What's in our discovery log */ 62 DISCOVERY_LOG, /* What's in our discovery log */
diff --git a/include/net/syncppp.h b/include/net/syncppp.h
index 877efa434700..e43f4070d892 100644
--- a/include/net/syncppp.h
+++ b/include/net/syncppp.h
@@ -59,7 +59,7 @@ struct ppp_device
59 59
60static inline struct sppp *sppp_of(struct net_device *dev) 60static inline struct sppp *sppp_of(struct net_device *dev)
61{ 61{
62 struct ppp_device **ppp = dev->priv; 62 struct ppp_device **ppp = dev->ml_priv;
63 BUG_ON((*ppp)->dev != dev); 63 BUG_ON((*ppp)->dev != dev);
64 return &(*ppp)->sppp; 64 return &(*ppp)->sppp;
65} 65}
diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index b04d643fc3c7..8fb134da0346 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -419,7 +419,7 @@ static void arp_reply(struct sk_buff *skb)
419 return; 419 return;
420 420
421 size = arp_hdr_len(skb->dev); 421 size = arp_hdr_len(skb->dev);
422 send_skb = find_skb(np, size + LL_RESERVED_SPACE(np->dev), 422 send_skb = find_skb(np, size + LL_ALLOCATED_SPACE(np->dev),
423 LL_RESERVED_SPACE(np->dev)); 423 LL_RESERVED_SPACE(np->dev));
424 424
425 if (!send_skb) 425 if (!send_skb)
diff --git a/net/core/sock.c b/net/core/sock.c
index fa76f04fa9c6..88094cb09c06 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -270,7 +270,7 @@ int sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
270 int err = 0; 270 int err = 0;
271 int skb_len; 271 int skb_len;
272 272
273 /* Cast skb->rcvbuf to unsigned... It's pointless, but reduces 273 /* Cast sk->rcvbuf to unsigned... It's pointless, but reduces
274 number of warnings when compiling with -W --ANK 274 number of warnings when compiling with -W --ANK
275 */ 275 */
276 if (atomic_read(&sk->sk_rmem_alloc) + skb->truesize >= 276 if (atomic_read(&sk->sk_rmem_alloc) + skb->truesize >=
diff --git a/net/econet/af_econet.c b/net/econet/af_econet.c
index 68d154480043..7c9bb13b1539 100644
--- a/net/econet/af_econet.c
+++ b/net/econet/af_econet.c
@@ -340,7 +340,7 @@ static int econet_sendmsg(struct kiocb *iocb, struct socket *sock,
340 340
341 dev_hold(dev); 341 dev_hold(dev);
342 342
343 skb = sock_alloc_send_skb(sk, len+LL_RESERVED_SPACE(dev), 343 skb = sock_alloc_send_skb(sk, len+LL_ALLOCATED_SPACE(dev),
344 msg->msg_flags & MSG_DONTWAIT, &err); 344 msg->msg_flags & MSG_DONTWAIT, &err);
345 if (skb==NULL) 345 if (skb==NULL)
346 goto out_unlock; 346 goto out_unlock;
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c
index 68b72a7a1806..418862f1bf22 100644
--- a/net/ipv4/arp.c
+++ b/net/ipv4/arp.c
@@ -570,7 +570,7 @@ struct sk_buff *arp_create(int type, int ptype, __be32 dest_ip,
570 * Allocate a buffer 570 * Allocate a buffer
571 */ 571 */
572 572
573 skb = alloc_skb(arp_hdr_len(dev) + LL_RESERVED_SPACE(dev), GFP_ATOMIC); 573 skb = alloc_skb(arp_hdr_len(dev) + LL_ALLOCATED_SPACE(dev), GFP_ATOMIC);
574 if (skb == NULL) 574 if (skb == NULL)
575 return NULL; 575 return NULL;
576 576
diff --git a/net/ipv4/cipso_ipv4.c b/net/ipv4/cipso_ipv4.c
index 05afb576d935..2c0e4572cc90 100644
--- a/net/ipv4/cipso_ipv4.c
+++ b/net/ipv4/cipso_ipv4.c
@@ -338,7 +338,7 @@ static int cipso_v4_cache_check(const unsigned char *key,
338 return -ENOENT; 338 return -ENOENT;
339 339
340 hash = cipso_v4_map_cache_hash(key, key_len); 340 hash = cipso_v4_map_cache_hash(key, key_len);
341 bkt = hash & (CIPSO_V4_CACHE_BUCKETBITS - 1); 341 bkt = hash & (CIPSO_V4_CACHE_BUCKETS - 1);
342 spin_lock_bh(&cipso_v4_cache[bkt].lock); 342 spin_lock_bh(&cipso_v4_cache[bkt].lock);
343 list_for_each_entry(entry, &cipso_v4_cache[bkt].list, list) { 343 list_for_each_entry(entry, &cipso_v4_cache[bkt].list, list) {
344 if (entry->hash == hash && 344 if (entry->hash == hash &&
@@ -417,7 +417,7 @@ int cipso_v4_cache_add(const struct sk_buff *skb,
417 atomic_inc(&secattr->cache->refcount); 417 atomic_inc(&secattr->cache->refcount);
418 entry->lsm_data = secattr->cache; 418 entry->lsm_data = secattr->cache;
419 419
420 bkt = entry->hash & (CIPSO_V4_CACHE_BUCKETBITS - 1); 420 bkt = entry->hash & (CIPSO_V4_CACHE_BUCKETS - 1);
421 spin_lock_bh(&cipso_v4_cache[bkt].lock); 421 spin_lock_bh(&cipso_v4_cache[bkt].lock);
422 if (cipso_v4_cache[bkt].size < cipso_v4_cache_bucketsize) { 422 if (cipso_v4_cache[bkt].size < cipso_v4_cache_bucketsize) {
423 list_add(&entry->list, &cipso_v4_cache[bkt].list); 423 list_add(&entry->list, &cipso_v4_cache[bkt].list);
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index 6250f4239b61..2769dc4a4c84 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -292,7 +292,7 @@ static struct sk_buff *igmpv3_newpack(struct net_device *dev, int size)
292 struct iphdr *pip; 292 struct iphdr *pip;
293 struct igmpv3_report *pig; 293 struct igmpv3_report *pig;
294 294
295 skb = alloc_skb(size + LL_RESERVED_SPACE(dev), GFP_ATOMIC); 295 skb = alloc_skb(size + LL_ALLOCATED_SPACE(dev), GFP_ATOMIC);
296 if (skb == NULL) 296 if (skb == NULL)
297 return NULL; 297 return NULL;
298 298
@@ -653,7 +653,7 @@ static int igmp_send_report(struct in_device *in_dev, struct ip_mc_list *pmc,
653 return -1; 653 return -1;
654 } 654 }
655 655
656 skb=alloc_skb(IGMP_SIZE+LL_RESERVED_SPACE(dev), GFP_ATOMIC); 656 skb=alloc_skb(IGMP_SIZE+LL_ALLOCATED_SPACE(dev), GFP_ATOMIC);
657 if (skb == NULL) { 657 if (skb == NULL) {
658 ip_rt_put(rt); 658 ip_rt_put(rt);
659 return -1; 659 return -1;
diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c
index 89dee4346f60..ed45037ce9be 100644
--- a/net/ipv4/ipconfig.c
+++ b/net/ipv4/ipconfig.c
@@ -710,14 +710,14 @@ static void __init ic_bootp_send_if(struct ic_device *d, unsigned long jiffies_d
710 struct net_device *dev = d->dev; 710 struct net_device *dev = d->dev;
711 struct sk_buff *skb; 711 struct sk_buff *skb;
712 struct bootp_pkt *b; 712 struct bootp_pkt *b;
713 int hh_len = LL_RESERVED_SPACE(dev);
714 struct iphdr *h; 713 struct iphdr *h;
715 714
716 /* Allocate packet */ 715 /* Allocate packet */
717 skb = alloc_skb(sizeof(struct bootp_pkt) + hh_len + 15, GFP_KERNEL); 716 skb = alloc_skb(sizeof(struct bootp_pkt) + LL_ALLOCATED_SPACE(dev) + 15,
717 GFP_KERNEL);
718 if (!skb) 718 if (!skb)
719 return; 719 return;
720 skb_reserve(skb, hh_len); 720 skb_reserve(skb, LL_RESERVED_SPACE(dev));
721 b = (struct bootp_pkt *) skb_put(skb, sizeof(struct bootp_pkt)); 721 b = (struct bootp_pkt *) skb_put(skb, sizeof(struct bootp_pkt));
722 memset(b, 0, sizeof(struct bootp_pkt)); 722 memset(b, 0, sizeof(struct bootp_pkt));
723 723
diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index 11d7f753a820..fead049daf43 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -322,7 +322,6 @@ static int raw_send_hdrinc(struct sock *sk, void *from, size_t length,
322 unsigned int flags) 322 unsigned int flags)
323{ 323{
324 struct inet_sock *inet = inet_sk(sk); 324 struct inet_sock *inet = inet_sk(sk);
325 int hh_len;
326 struct iphdr *iph; 325 struct iphdr *iph;
327 struct sk_buff *skb; 326 struct sk_buff *skb;
328 unsigned int iphlen; 327 unsigned int iphlen;
@@ -336,13 +335,12 @@ static int raw_send_hdrinc(struct sock *sk, void *from, size_t length,
336 if (flags&MSG_PROBE) 335 if (flags&MSG_PROBE)
337 goto out; 336 goto out;
338 337
339 hh_len = LL_RESERVED_SPACE(rt->u.dst.dev); 338 skb = sock_alloc_send_skb(sk,
340 339 length + LL_ALLOCATED_SPACE(rt->u.dst.dev) + 15,
341 skb = sock_alloc_send_skb(sk, length+hh_len+15, 340 flags & MSG_DONTWAIT, &err);
342 flags&MSG_DONTWAIT, &err);
343 if (skb == NULL) 341 if (skb == NULL)
344 goto error; 342 goto error;
345 skb_reserve(skb, hh_len); 343 skb_reserve(skb, LL_RESERVED_SPACE(rt->u.dst.dev));
346 344
347 skb->priority = sk->sk_priority; 345 skb->priority = sk->sk_priority;
348 skb->mark = sk->sk_mark; 346 skb->mark = sk->sk_mark;
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 26c936930e92..b54d9d37b636 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -1842,9 +1842,16 @@ static void tcp_enter_frto_loss(struct sock *sk, int allowed_segments, int flag)
1842 TCP_SKB_CB(skb)->sacked &= ~TCPCB_SACKED_RETRANS; 1842 TCP_SKB_CB(skb)->sacked &= ~TCPCB_SACKED_RETRANS;
1843 } 1843 }
1844 1844
1845 /* Don't lost mark skbs that were fwd transmitted after RTO */ 1845 /* Marking forward transmissions that were made after RTO lost
1846 if (!(TCP_SKB_CB(skb)->sacked & TCPCB_SACKED_ACKED) && 1846 * can cause unnecessary retransmissions in some scenarios,
1847 !after(TCP_SKB_CB(skb)->end_seq, tp->frto_highmark)) { 1847 * SACK blocks will mitigate that in some but not in all cases.
1848 * We used to not mark them but it was causing break-ups with
1849 * receivers that do only in-order receival.
1850 *
1851 * TODO: we could detect presence of such receiver and select
1852 * different behavior per flow.
1853 */
1854 if (!(TCP_SKB_CB(skb)->sacked & TCPCB_SACKED_ACKED)) {
1848 TCP_SKB_CB(skb)->sacked |= TCPCB_LOST; 1855 TCP_SKB_CB(skb)->sacked |= TCPCB_LOST;
1849 tp->lost_out += tcp_skb_pcount(skb); 1856 tp->lost_out += tcp_skb_pcount(skb);
1850 } 1857 }
@@ -1860,7 +1867,7 @@ static void tcp_enter_frto_loss(struct sock *sk, int allowed_segments, int flag)
1860 tp->reordering = min_t(unsigned int, tp->reordering, 1867 tp->reordering = min_t(unsigned int, tp->reordering,
1861 sysctl_tcp_reordering); 1868 sysctl_tcp_reordering);
1862 tcp_set_ca_state(sk, TCP_CA_Loss); 1869 tcp_set_ca_state(sk, TCP_CA_Loss);
1863 tp->high_seq = tp->frto_highmark; 1870 tp->high_seq = tp->snd_nxt;
1864 TCP_ECN_queue_cwr(tp); 1871 TCP_ECN_queue_cwr(tp);
1865 1872
1866 tcp_clear_retrans_hints_partial(tp); 1873 tcp_clear_retrans_hints_partial(tp);
@@ -2482,7 +2489,7 @@ static void tcp_try_to_open(struct sock *sk, int flag)
2482 2489
2483 tcp_verify_left_out(tp); 2490 tcp_verify_left_out(tp);
2484 2491
2485 if (tp->retrans_out == 0) 2492 if (!tp->frto_counter && tp->retrans_out == 0)
2486 tp->retrans_stamp = 0; 2493 tp->retrans_stamp = 0;
2487 2494
2488 if (flag & FLAG_ECE) 2495 if (flag & FLAG_ECE)
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 0af2e055f883..48cdce9c696c 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -780,7 +780,7 @@ slow_path:
780 * Allocate buffer. 780 * Allocate buffer.
781 */ 781 */
782 782
783 if ((frag = alloc_skb(len+hlen+sizeof(struct frag_hdr)+LL_RESERVED_SPACE(rt->u.dst.dev), GFP_ATOMIC)) == NULL) { 783 if ((frag = alloc_skb(len+hlen+sizeof(struct frag_hdr)+LL_ALLOCATED_SPACE(rt->u.dst.dev), GFP_ATOMIC)) == NULL) {
784 NETDEBUG(KERN_INFO "IPv6: frag: no memory for new fragment!\n"); 784 NETDEBUG(KERN_INFO "IPv6: frag: no memory for new fragment!\n");
785 IP6_INC_STATS(ip6_dst_idev(skb->dst), 785 IP6_INC_STATS(ip6_dst_idev(skb->dst),
786 IPSTATS_MIB_FRAGFAILS); 786 IPSTATS_MIB_FRAGFAILS);
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index 54f91efdae58..fd632dd7f98d 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -1411,7 +1411,7 @@ static struct sk_buff *mld_newpack(struct net_device *dev, int size)
1411 IPV6_TLV_PADN, 0 }; 1411 IPV6_TLV_PADN, 0 };
1412 1412
1413 /* we assume size > sizeof(ra) here */ 1413 /* we assume size > sizeof(ra) here */
1414 skb = sock_alloc_send_skb(sk, size + LL_RESERVED_SPACE(dev), 1, &err); 1414 skb = sock_alloc_send_skb(sk, size + LL_ALLOCATED_SPACE(dev), 1, &err);
1415 1415
1416 if (!skb) 1416 if (!skb)
1417 return NULL; 1417 return NULL;
@@ -1790,7 +1790,7 @@ static void igmp6_send(struct in6_addr *addr, struct net_device *dev, int type)
1790 payload_len = len + sizeof(ra); 1790 payload_len = len + sizeof(ra);
1791 full_len = sizeof(struct ipv6hdr) + payload_len; 1791 full_len = sizeof(struct ipv6hdr) + payload_len;
1792 1792
1793 skb = sock_alloc_send_skb(sk, LL_RESERVED_SPACE(dev) + full_len, 1, &err); 1793 skb = sock_alloc_send_skb(sk, LL_ALLOCATED_SPACE(dev) + full_len, 1, &err);
1794 1794
1795 if (skb == NULL) { 1795 if (skb == NULL) {
1796 rcu_read_lock(); 1796 rcu_read_lock();
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 2c74885f8355..a55fc05b8125 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -479,7 +479,7 @@ static void __ndisc_send(struct net_device *dev,
479 479
480 skb = sock_alloc_send_skb(sk, 480 skb = sock_alloc_send_skb(sk,
481 (MAX_HEADER + sizeof(struct ipv6hdr) + 481 (MAX_HEADER + sizeof(struct ipv6hdr) +
482 len + LL_RESERVED_SPACE(dev)), 482 len + LL_ALLOCATED_SPACE(dev)),
483 1, &err); 483 1, &err);
484 if (!skb) { 484 if (!skb) {
485 ND_PRINTK0(KERN_ERR 485 ND_PRINTK0(KERN_ERR
@@ -1521,7 +1521,7 @@ void ndisc_send_redirect(struct sk_buff *skb, struct neighbour *neigh,
1521 1521
1522 buff = sock_alloc_send_skb(sk, 1522 buff = sock_alloc_send_skb(sk,
1523 (MAX_HEADER + sizeof(struct ipv6hdr) + 1523 (MAX_HEADER + sizeof(struct ipv6hdr) +
1524 len + LL_RESERVED_SPACE(dev)), 1524 len + LL_ALLOCATED_SPACE(dev)),
1525 1, &err); 1525 1, &err);
1526 if (buff == NULL) { 1526 if (buff == NULL) {
1527 ND_PRINTK0(KERN_ERR 1527 ND_PRINTK0(KERN_ERR
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 396f0ea11090..232e0dc45bf5 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -609,7 +609,6 @@ static int rawv6_send_hdrinc(struct sock *sk, void *from, int length,
609 struct ipv6_pinfo *np = inet6_sk(sk); 609 struct ipv6_pinfo *np = inet6_sk(sk);
610 struct ipv6hdr *iph; 610 struct ipv6hdr *iph;
611 struct sk_buff *skb; 611 struct sk_buff *skb;
612 unsigned int hh_len;
613 int err; 612 int err;
614 613
615 if (length > rt->u.dst.dev->mtu) { 614 if (length > rt->u.dst.dev->mtu) {
@@ -619,13 +618,12 @@ static int rawv6_send_hdrinc(struct sock *sk, void *from, int length,
619 if (flags&MSG_PROBE) 618 if (flags&MSG_PROBE)
620 goto out; 619 goto out;
621 620
622 hh_len = LL_RESERVED_SPACE(rt->u.dst.dev); 621 skb = sock_alloc_send_skb(sk,
623 622 length + LL_ALLOCATED_SPACE(rt->u.dst.dev) + 15,
624 skb = sock_alloc_send_skb(sk, length+hh_len+15, 623 flags & MSG_DONTWAIT, &err);
625 flags&MSG_DONTWAIT, &err);
626 if (skb == NULL) 624 if (skb == NULL)
627 goto error; 625 goto error;
628 skb_reserve(skb, hh_len); 626 skb_reserve(skb, LL_RESERVED_SPACE(rt->u.dst.dev));
629 627
630 skb->priority = sk->sk_priority; 628 skb->priority = sk->sk_priority;
631 skb->mark = sk->sk_mark; 629 skb->mark = sk->sk_mark;
diff --git a/net/irda/discovery.c b/net/irda/discovery.c
index bfacef8b76f4..a6f99b5a1499 100644
--- a/net/irda/discovery.c
+++ b/net/irda/discovery.c
@@ -40,6 +40,8 @@
40 40
41#include <net/irda/discovery.h> 41#include <net/irda/discovery.h>
42 42
43#include <asm/unaligned.h>
44
43/* 45/*
44 * Function irlmp_add_discovery (cachelog, discovery) 46 * Function irlmp_add_discovery (cachelog, discovery)
45 * 47 *
@@ -87,7 +89,7 @@ void irlmp_add_discovery(hashbin_t *cachelog, discovery_t *new)
87 */ 89 */
88 hashbin_remove_this(cachelog, (irda_queue_t *) node); 90 hashbin_remove_this(cachelog, (irda_queue_t *) node);
89 /* Check if hints bits are unchanged */ 91 /* Check if hints bits are unchanged */
90 if(u16ho(node->data.hints) == u16ho(new->data.hints)) 92 if (get_unaligned((__u16 *)node->data.hints) == get_unaligned((__u16 *)new->data.hints))
91 /* Set time of first discovery for this node */ 93 /* Set time of first discovery for this node */
92 new->firststamp = node->firststamp; 94 new->firststamp = node->firststamp;
93 kfree(node); 95 kfree(node);
@@ -281,9 +283,9 @@ struct irda_device_info *irlmp_copy_discoveries(hashbin_t *log, int *pn,
281 /* Mask out the ones we don't want : 283 /* Mask out the ones we don't want :
282 * We want to match the discovery mask, and to get only 284 * We want to match the discovery mask, and to get only
283 * the most recent one (unless we want old ones) */ 285 * the most recent one (unless we want old ones) */
284 if ((u16ho(discovery->data.hints) & mask) && 286 if ((get_unaligned((__u16 *)discovery->data.hints) & mask) &&
285 ((old_entries) || 287 ((old_entries) ||
286 ((jiffies - discovery->firststamp) < j_timeout)) ) { 288 ((jiffies - discovery->firststamp) < j_timeout))) {
287 /* Create buffer as needed. 289 /* Create buffer as needed.
288 * As this function get called a lot and most time 290 * As this function get called a lot and most time
289 * we don't have anything to put in the log (we are 291 * we don't have anything to put in the log (we are
diff --git a/net/irda/irlmp.c b/net/irda/irlmp.c
index 1f81f8e7c61d..7bf5b913828b 100644
--- a/net/irda/irlmp.c
+++ b/net/irda/irlmp.c
@@ -1062,7 +1062,8 @@ void irlmp_discovery_expiry(discinfo_t *expiries, int number)
1062 for(i = 0; i < number; i++) { 1062 for(i = 0; i < number; i++) {
1063 /* Check if we should notify client */ 1063 /* Check if we should notify client */
1064 if ((client->expir_callback) && 1064 if ((client->expir_callback) &&
1065 (client->hint_mask.word & u16ho(expiries[i].hints) 1065 (client->hint_mask.word &
1066 get_unaligned((__u16 *)expiries[i].hints)
1066 & 0x7f7f) ) 1067 & 0x7f7f) )
1067 client->expir_callback(&(expiries[i]), 1068 client->expir_callback(&(expiries[i]),
1068 EXPIRY_TIMEOUT, 1069 EXPIRY_TIMEOUT,
@@ -1086,7 +1087,7 @@ discovery_t *irlmp_get_discovery_response(void)
1086 1087
1087 IRDA_ASSERT(irlmp != NULL, return NULL;); 1088 IRDA_ASSERT(irlmp != NULL, return NULL;);
1088 1089
1089 u16ho(irlmp->discovery_rsp.data.hints) = irlmp->hints.word; 1090 put_unaligned(irlmp->hints.word, (__u16 *)irlmp->discovery_rsp.data.hints);
1090 1091
1091 /* 1092 /*
1092 * Set character set for device name (we use ASCII), and 1093 * Set character set for device name (we use ASCII), and
diff --git a/net/irda/irnet/irnet_irda.c b/net/irda/irnet/irnet_irda.c
index 75497e55927d..a3ec0026cdb2 100644
--- a/net/irda/irnet/irnet_irda.c
+++ b/net/irda/irnet/irnet_irda.c
@@ -1673,7 +1673,7 @@ irnet_discovery_indication(discinfo_t * discovery,
1673 /* Notify the control channel */ 1673 /* Notify the control channel */
1674 irnet_post_event(NULL, IRNET_DISCOVER, 1674 irnet_post_event(NULL, IRNET_DISCOVER,
1675 discovery->saddr, discovery->daddr, discovery->info, 1675 discovery->saddr, discovery->daddr, discovery->info,
1676 u16ho(discovery->hints)); 1676 get_unaligned((__u16 *)discovery->hints));
1677 1677
1678 DEXIT(IRDA_OCB_TRACE, "\n"); 1678 DEXIT(IRDA_OCB_TRACE, "\n");
1679} 1679}
@@ -1704,7 +1704,7 @@ irnet_expiry_indication(discinfo_t * expiry,
1704 /* Notify the control channel */ 1704 /* Notify the control channel */
1705 irnet_post_event(NULL, IRNET_EXPIRE, 1705 irnet_post_event(NULL, IRNET_EXPIRE,
1706 expiry->saddr, expiry->daddr, expiry->info, 1706 expiry->saddr, expiry->daddr, expiry->info,
1707 u16ho(expiry->hints)); 1707 get_unaligned((__u16 *)expiry->hints));
1708 1708
1709 DEXIT(IRDA_OCB_TRACE, "\n"); 1709 DEXIT(IRDA_OCB_TRACE, "\n");
1710} 1710}
diff --git a/net/mac80211/debugfs_key.c b/net/mac80211/debugfs_key.c
index 879e7210458a..19efc3a6a932 100644
--- a/net/mac80211/debugfs_key.c
+++ b/net/mac80211/debugfs_key.c
@@ -255,14 +255,23 @@ void ieee80211_debugfs_key_remove(struct ieee80211_key *key)
255void ieee80211_debugfs_key_add_default(struct ieee80211_sub_if_data *sdata) 255void ieee80211_debugfs_key_add_default(struct ieee80211_sub_if_data *sdata)
256{ 256{
257 char buf[50]; 257 char buf[50];
258 struct ieee80211_key *key;
258 259
259 if (!sdata->debugfsdir) 260 if (!sdata->debugfsdir)
260 return; 261 return;
261 262
262 sprintf(buf, "../keys/%d", sdata->default_key->debugfs.cnt); 263 /* this is running under the key lock */
263 sdata->debugfs.default_key = 264
264 debugfs_create_symlink("default_key", sdata->debugfsdir, buf); 265 key = sdata->default_key;
266 if (key) {
267 sprintf(buf, "../keys/%d", key->debugfs.cnt);
268 sdata->debugfs.default_key =
269 debugfs_create_symlink("default_key",
270 sdata->debugfsdir, buf);
271 } else
272 ieee80211_debugfs_key_remove_default(sdata);
265} 273}
274
266void ieee80211_debugfs_key_remove_default(struct ieee80211_sub_if_data *sdata) 275void ieee80211_debugfs_key_remove_default(struct ieee80211_sub_if_data *sdata)
267{ 276{
268 if (!sdata) 277 if (!sdata)
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 80954a512185..06e88a5a036d 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -54,6 +54,15 @@ int ieee80211_if_add(struct net_device *dev, const char *name,
54 if (!ndev) 54 if (!ndev)
55 return -ENOMEM; 55 return -ENOMEM;
56 56
57 ndev->needed_headroom = local->tx_headroom +
58 4*6 /* four MAC addresses */
59 + 2 + 2 + 2 + 2 /* ctl, dur, seq, qos */
60 + 6 /* mesh */
61 + 8 /* rfc1042/bridge tunnel */
62 - ETH_HLEN /* ethernet hard_header_len */
63 + IEEE80211_ENCRYPT_HEADROOM;
64 ndev->needed_tailroom = IEEE80211_ENCRYPT_TAILROOM;
65
57 ret = dev_alloc_name(ndev, ndev->name); 66 ret = dev_alloc_name(ndev, ndev->name);
58 if (ret < 0) 67 if (ret < 0)
59 goto fail; 68 goto fail;
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index f76bc26ae4d2..697ef67f96b6 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -397,7 +397,7 @@ int ieee80211_new_mesh_header(struct ieee80211s_hdr *meshhdr,
397 put_unaligned(cpu_to_le32(sdata->u.sta.mesh_seqnum), &meshhdr->seqnum); 397 put_unaligned(cpu_to_le32(sdata->u.sta.mesh_seqnum), &meshhdr->seqnum);
398 sdata->u.sta.mesh_seqnum++; 398 sdata->u.sta.mesh_seqnum++;
399 399
400 return 5; 400 return 6;
401} 401}
402 402
403void ieee80211_mesh_init_sdata(struct ieee80211_sub_if_data *sdata) 403void ieee80211_mesh_init_sdata(struct ieee80211_sub_if_data *sdata)
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index 3df809222d1c..af0cd1e3e213 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -120,7 +120,7 @@ static int mesh_path_sel_frame_tx(enum mpath_frame_type action, u8 flags,
120 *pos++ = WLAN_EID_PREP; 120 *pos++ = WLAN_EID_PREP;
121 break; 121 break;
122 default: 122 default:
123 kfree(skb); 123 kfree_skb(skb);
124 return -ENOTSUPP; 124 return -ENOTSUPP;
125 break; 125 break;
126 } 126 }
diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c
index 5845dc21ce85..99c2d360888e 100644
--- a/net/mac80211/mesh_pathtbl.c
+++ b/net/mac80211/mesh_pathtbl.c
@@ -158,19 +158,25 @@ int mesh_path_add(u8 *dst, struct net_device *dev)
158 if (atomic_add_unless(&sdata->u.sta.mpaths, 1, MESH_MAX_MPATHS) == 0) 158 if (atomic_add_unless(&sdata->u.sta.mpaths, 1, MESH_MAX_MPATHS) == 0)
159 return -ENOSPC; 159 return -ENOSPC;
160 160
161 read_lock(&pathtbl_resize_lock);
162
163 new_mpath = kzalloc(sizeof(struct mesh_path), GFP_KERNEL); 161 new_mpath = kzalloc(sizeof(struct mesh_path), GFP_KERNEL);
164 if (!new_mpath) { 162 if (!new_mpath) {
165 atomic_dec(&sdata->u.sta.mpaths); 163 atomic_dec(&sdata->u.sta.mpaths);
166 err = -ENOMEM; 164 err = -ENOMEM;
167 goto endadd2; 165 goto endadd2;
168 } 166 }
167 new_node = kmalloc(sizeof(struct mpath_node), GFP_KERNEL);
168 if (!new_node) {
169 kfree(new_mpath);
170 atomic_dec(&sdata->u.sta.mpaths);
171 err = -ENOMEM;
172 goto endadd2;
173 }
174
175 read_lock(&pathtbl_resize_lock);
169 memcpy(new_mpath->dst, dst, ETH_ALEN); 176 memcpy(new_mpath->dst, dst, ETH_ALEN);
170 new_mpath->dev = dev; 177 new_mpath->dev = dev;
171 new_mpath->flags = 0; 178 new_mpath->flags = 0;
172 skb_queue_head_init(&new_mpath->frame_queue); 179 skb_queue_head_init(&new_mpath->frame_queue);
173 new_node = kmalloc(sizeof(struct mpath_node), GFP_KERNEL);
174 new_node->mpath = new_mpath; 180 new_node->mpath = new_mpath;
175 new_mpath->timer.data = (unsigned long) new_mpath; 181 new_mpath->timer.data = (unsigned long) new_mpath;
176 new_mpath->timer.function = mesh_path_timer; 182 new_mpath->timer.function = mesh_path_timer;
@@ -202,7 +208,6 @@ int mesh_path_add(u8 *dst, struct net_device *dev)
202 208
203endadd: 209endadd:
204 spin_unlock(&mesh_paths->hashwlock[hash_idx]); 210 spin_unlock(&mesh_paths->hashwlock[hash_idx]);
205endadd2:
206 read_unlock(&pathtbl_resize_lock); 211 read_unlock(&pathtbl_resize_lock);
207 if (!err && grow) { 212 if (!err && grow) {
208 struct mesh_table *oldtbl, *newtbl; 213 struct mesh_table *oldtbl, *newtbl;
@@ -215,10 +220,12 @@ endadd2:
215 return -ENOMEM; 220 return -ENOMEM;
216 } 221 }
217 rcu_assign_pointer(mesh_paths, newtbl); 222 rcu_assign_pointer(mesh_paths, newtbl);
223 write_unlock(&pathtbl_resize_lock);
224
218 synchronize_rcu(); 225 synchronize_rcu();
219 mesh_table_free(oldtbl, false); 226 mesh_table_free(oldtbl, false);
220 write_unlock(&pathtbl_resize_lock);
221 } 227 }
228endadd2:
222 return err; 229 return err;
223} 230}
224 231
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index a5e5c31c23ab..4adba09e80ca 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -665,6 +665,26 @@ static void ieee80211_authenticate(struct net_device *dev,
665 mod_timer(&ifsta->timer, jiffies + IEEE80211_AUTH_TIMEOUT); 665 mod_timer(&ifsta->timer, jiffies + IEEE80211_AUTH_TIMEOUT);
666} 666}
667 667
668static int ieee80211_compatible_rates(struct ieee80211_sta_bss *bss,
669 struct ieee80211_supported_band *sband,
670 u64 *rates)
671{
672 int i, j, count;
673 *rates = 0;
674 count = 0;
675 for (i = 0; i < bss->supp_rates_len; i++) {
676 int rate = (bss->supp_rates[i] & 0x7F) * 5;
677
678 for (j = 0; j < sband->n_bitrates; j++)
679 if (sband->bitrates[j].bitrate == rate) {
680 *rates |= BIT(j);
681 count++;
682 break;
683 }
684 }
685
686 return count;
687}
668 688
669static void ieee80211_send_assoc(struct net_device *dev, 689static void ieee80211_send_assoc(struct net_device *dev,
670 struct ieee80211_if_sta *ifsta) 690 struct ieee80211_if_sta *ifsta)
@@ -673,11 +693,12 @@ static void ieee80211_send_assoc(struct net_device *dev,
673 struct sk_buff *skb; 693 struct sk_buff *skb;
674 struct ieee80211_mgmt *mgmt; 694 struct ieee80211_mgmt *mgmt;
675 u8 *pos, *ies; 695 u8 *pos, *ies;
676 int i, len; 696 int i, len, count, rates_len, supp_rates_len;
677 u16 capab; 697 u16 capab;
678 struct ieee80211_sta_bss *bss; 698 struct ieee80211_sta_bss *bss;
679 int wmm = 0; 699 int wmm = 0;
680 struct ieee80211_supported_band *sband; 700 struct ieee80211_supported_band *sband;
701 u64 rates = 0;
681 702
682 skb = dev_alloc_skb(local->hw.extra_tx_headroom + 703 skb = dev_alloc_skb(local->hw.extra_tx_headroom +
683 sizeof(*mgmt) + 200 + ifsta->extra_ie_len + 704 sizeof(*mgmt) + 200 + ifsta->extra_ie_len +
@@ -740,24 +761,39 @@ static void ieee80211_send_assoc(struct net_device *dev,
740 *pos++ = ifsta->ssid_len; 761 *pos++ = ifsta->ssid_len;
741 memcpy(pos, ifsta->ssid, ifsta->ssid_len); 762 memcpy(pos, ifsta->ssid, ifsta->ssid_len);
742 763
764 /* all supported rates should be added here but some APs
765 * (e.g. D-Link DAP 1353 in b-only mode) don't like that
766 * Therefore only add rates the AP supports */
767 rates_len = ieee80211_compatible_rates(bss, sband, &rates);
768 supp_rates_len = rates_len;
769 if (supp_rates_len > 8)
770 supp_rates_len = 8;
771
743 len = sband->n_bitrates; 772 len = sband->n_bitrates;
744 if (len > 8) 773 pos = skb_put(skb, supp_rates_len + 2);
745 len = 8;
746 pos = skb_put(skb, len + 2);
747 *pos++ = WLAN_EID_SUPP_RATES; 774 *pos++ = WLAN_EID_SUPP_RATES;
748 *pos++ = len; 775 *pos++ = supp_rates_len;
749 for (i = 0; i < len; i++) {
750 int rate = sband->bitrates[i].bitrate;
751 *pos++ = (u8) (rate / 5);
752 }
753 776
754 if (sband->n_bitrates > len) { 777 count = 0;
755 pos = skb_put(skb, sband->n_bitrates - len + 2); 778 for (i = 0; i < sband->n_bitrates; i++) {
756 *pos++ = WLAN_EID_EXT_SUPP_RATES; 779 if (BIT(i) & rates) {
757 *pos++ = sband->n_bitrates - len;
758 for (i = len; i < sband->n_bitrates; i++) {
759 int rate = sband->bitrates[i].bitrate; 780 int rate = sband->bitrates[i].bitrate;
760 *pos++ = (u8) (rate / 5); 781 *pos++ = (u8) (rate / 5);
782 if (++count == 8)
783 break;
784 }
785 }
786
787 if (count == 8) {
788 pos = skb_put(skb, rates_len - count + 2);
789 *pos++ = WLAN_EID_EXT_SUPP_RATES;
790 *pos++ = rates_len - count;
791
792 for (i++; i < sband->n_bitrates; i++) {
793 if (BIT(i) & rates) {
794 int rate = sband->bitrates[i].bitrate;
795 *pos++ = (u8) (rate / 5);
796 }
761 } 797 }
762 } 798 }
763 799
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 02f436a86061..1958bfb361c6 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -1305,11 +1305,11 @@ ieee80211_deliver_skb(struct ieee80211_rx_data *rx)
1305 if (is_multicast_ether_addr(skb->data)) { 1305 if (is_multicast_ether_addr(skb->data)) {
1306 if (*mesh_ttl > 0) { 1306 if (*mesh_ttl > 0) {
1307 xmit_skb = skb_copy(skb, GFP_ATOMIC); 1307 xmit_skb = skb_copy(skb, GFP_ATOMIC);
1308 if (!xmit_skb && net_ratelimit()) 1308 if (xmit_skb)
1309 xmit_skb->pkt_type = PACKET_OTHERHOST;
1310 else if (net_ratelimit())
1309 printk(KERN_DEBUG "%s: failed to clone " 1311 printk(KERN_DEBUG "%s: failed to clone "
1310 "multicast frame\n", dev->name); 1312 "multicast frame\n", dev->name);
1311 else
1312 xmit_skb->pkt_type = PACKET_OTHERHOST;
1313 } else 1313 } else
1314 IEEE80211_IFSTA_MESH_CTR_INC(&sdata->u.sta, 1314 IEEE80211_IFSTA_MESH_CTR_INC(&sdata->u.sta,
1315 dropped_frames_ttl); 1315 dropped_frames_ttl);
@@ -1395,7 +1395,7 @@ ieee80211_rx_h_amsdu(struct ieee80211_rx_data *rx)
1395 padding = ((4 - subframe_len) & 0x3); 1395 padding = ((4 - subframe_len) & 0x3);
1396 /* the last MSDU has no padding */ 1396 /* the last MSDU has no padding */
1397 if (subframe_len > remaining) { 1397 if (subframe_len > remaining) {
1398 printk(KERN_DEBUG "%s: wrong buffer size", dev->name); 1398 printk(KERN_DEBUG "%s: wrong buffer size\n", dev->name);
1399 return RX_DROP_UNUSABLE; 1399 return RX_DROP_UNUSABLE;
1400 } 1400 }
1401 1401
@@ -1418,7 +1418,7 @@ ieee80211_rx_h_amsdu(struct ieee80211_rx_data *rx)
1418 eth = (struct ethhdr *) skb_pull(skb, ntohs(len) + 1418 eth = (struct ethhdr *) skb_pull(skb, ntohs(len) +
1419 padding); 1419 padding);
1420 if (!eth) { 1420 if (!eth) {
1421 printk(KERN_DEBUG "%s: wrong buffer size ", 1421 printk(KERN_DEBUG "%s: wrong buffer size\n",
1422 dev->name); 1422 dev->name);
1423 dev_kfree_skb(frame); 1423 dev_kfree_skb(frame);
1424 return RX_DROP_UNUSABLE; 1424 return RX_DROP_UNUSABLE;
@@ -1952,7 +1952,7 @@ static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw,
1952 if (!skb_new) { 1952 if (!skb_new) {
1953 if (net_ratelimit()) 1953 if (net_ratelimit())
1954 printk(KERN_DEBUG "%s: failed to copy " 1954 printk(KERN_DEBUG "%s: failed to copy "
1955 "multicast frame for %s", 1955 "multicast frame for %s\n",
1956 wiphy_name(local->hw.wiphy), 1956 wiphy_name(local->hw.wiphy),
1957 prev->dev->name); 1957 prev->dev->name);
1958 continue; 1958 continue;
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index f35eaea98e73..1d7dd54aacef 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1562,13 +1562,13 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb,
1562 * be cloned. This could happen, e.g., with Linux bridge code passing 1562 * be cloned. This could happen, e.g., with Linux bridge code passing
1563 * us broadcast frames. */ 1563 * us broadcast frames. */
1564 1564
1565 if (head_need > 0 || skb_cloned(skb)) { 1565 if (head_need > 0 || skb_header_cloned(skb)) {
1566#if 0 1566#if 0
1567 printk(KERN_DEBUG "%s: need to reallocate buffer for %d bytes " 1567 printk(KERN_DEBUG "%s: need to reallocate buffer for %d bytes "
1568 "of headroom\n", dev->name, head_need); 1568 "of headroom\n", dev->name, head_need);
1569#endif 1569#endif
1570 1570
1571 if (skb_cloned(skb)) 1571 if (skb_header_cloned(skb))
1572 I802_DEBUG_INC(local->tx_expand_skb_head_cloned); 1572 I802_DEBUG_INC(local->tx_expand_skb_head_cloned);
1573 else 1573 else
1574 I802_DEBUG_INC(local->tx_expand_skb_head); 1574 I802_DEBUG_INC(local->tx_expand_skb_head);
@@ -1898,6 +1898,7 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw,
1898 control->flags |= IEEE80211_TXCTL_SHORT_PREAMBLE; 1898 control->flags |= IEEE80211_TXCTL_SHORT_PREAMBLE;
1899 control->antenna_sel_tx = local->hw.conf.antenna_sel_tx; 1899 control->antenna_sel_tx = local->hw.conf.antenna_sel_tx;
1900 control->flags |= IEEE80211_TXCTL_NO_ACK; 1900 control->flags |= IEEE80211_TXCTL_NO_ACK;
1901 control->flags |= IEEE80211_TXCTL_DO_NOT_ENCRYPT;
1901 control->retry_limit = 1; 1902 control->retry_limit = 1;
1902 control->flags |= IEEE80211_TXCTL_CLEAR_PS_FILT; 1903 control->flags |= IEEE80211_TXCTL_CLEAR_PS_FILT;
1903 } 1904 }
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index cc9f715c7bfc..24a465c4df09 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -153,15 +153,15 @@ int ieee80211_get_mesh_hdrlen(struct ieee80211s_hdr *meshhdr)
153 /* 7.1.3.5a.2 */ 153 /* 7.1.3.5a.2 */
154 switch (ae) { 154 switch (ae) {
155 case 0: 155 case 0:
156 return 5; 156 return 6;
157 case 1: 157 case 1:
158 return 11; 158 return 12;
159 case 2: 159 case 2:
160 return 17; 160 return 18;
161 case 3: 161 case 3:
162 return 23; 162 return 24;
163 default: 163 default:
164 return 5; 164 return 6;
165 } 165 }
166} 166}
167 167
diff --git a/net/mac80211/wme.c b/net/mac80211/wme.c
index 64faa3dc488f..dc1598b86004 100644
--- a/net/mac80211/wme.c
+++ b/net/mac80211/wme.c
@@ -394,7 +394,8 @@ static int wme_qdiscop_init(struct Qdisc *qd, struct nlattr *opt)
394 qd->handle); 394 qd->handle);
395 if (!q->queues[i]) { 395 if (!q->queues[i]) {
396 q->queues[i] = &noop_qdisc; 396 q->queues[i] = &noop_qdisc;
397 printk(KERN_ERR "%s child qdisc %i creation failed", dev->name, i); 397 printk(KERN_ERR "%s child qdisc %i creation failed\n",
398 dev->name, i);
398 } 399 }
399 } 400 }
400 401
diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index 16774ecd1c4e..0edefcfc5949 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -472,6 +472,9 @@ static int ctnetlink_conntrack_event(struct notifier_block *this,
472 goto nla_put_failure; 472 goto nla_put_failure;
473 nla_nest_end(skb, nest_parms); 473 nla_nest_end(skb, nest_parms);
474 474
475 if (ctnetlink_dump_id(skb, ct) < 0)
476 goto nla_put_failure;
477
475 if (events & IPCT_DESTROY) { 478 if (events & IPCT_DESTROY) {
476 if (ctnetlink_dump_counters(skb, ct, IP_CT_DIR_ORIGINAL) < 0 || 479 if (ctnetlink_dump_counters(skb, ct, IP_CT_DIR_ORIGINAL) < 0 ||
477 ctnetlink_dump_counters(skb, ct, IP_CT_DIR_REPLY) < 0) 480 ctnetlink_dump_counters(skb, ct, IP_CT_DIR_REPLY) < 0)
diff --git a/net/netfilter/xt_iprange.c b/net/netfilter/xt_iprange.c
index 500528d60cd7..c63e9333c755 100644
--- a/net/netfilter/xt_iprange.c
+++ b/net/netfilter/xt_iprange.c
@@ -179,3 +179,5 @@ module_exit(iprange_mt_exit);
179MODULE_LICENSE("GPL"); 179MODULE_LICENSE("GPL");
180MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>, Jan Engelhardt <jengelh@computergmbh.de>"); 180MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>, Jan Engelhardt <jengelh@computergmbh.de>");
181MODULE_DESCRIPTION("Xtables: arbitrary IPv4 range matching"); 181MODULE_DESCRIPTION("Xtables: arbitrary IPv4 range matching");
182MODULE_ALIAS("ipt_iprange");
183MODULE_ALIAS("ip6t_iprange");
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 25070240d4ae..2cee87da4441 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -743,7 +743,7 @@ static int packet_sendmsg(struct kiocb *iocb, struct socket *sock,
743 if (len > dev->mtu+reserve) 743 if (len > dev->mtu+reserve)
744 goto out_unlock; 744 goto out_unlock;
745 745
746 skb = sock_alloc_send_skb(sk, len + LL_RESERVED_SPACE(dev), 746 skb = sock_alloc_send_skb(sk, len + LL_ALLOCATED_SPACE(dev),
747 msg->msg_flags & MSG_DONTWAIT, &err); 747 msg->msg_flags & MSG_DONTWAIT, &err);
748 if (skb==NULL) 748 if (skb==NULL)
749 goto out_unlock; 749 goto out_unlock;
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index 81b606424e12..bbc7107c86cf 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -2418,7 +2418,8 @@ static int sctp_process_param(struct sctp_association *asoc,
2418 break; 2418 break;
2419 2419
2420 case SCTP_PARAM_IPV6_ADDRESS: 2420 case SCTP_PARAM_IPV6_ADDRESS:
2421 asoc->peer.ipv6_address = 1; 2421 if (PF_INET6 == asoc->base.sk->sk_family)
2422 asoc->peer.ipv6_address = 1;
2422 break; 2423 break;
2423 2424
2424 case SCTP_PARAM_HOST_NAME_ADDRESS: 2425 case SCTP_PARAM_HOST_NAME_ADDRESS:
@@ -2829,6 +2830,19 @@ static __be16 sctp_process_asconf_param(struct sctp_association *asoc,
2829 addr_param = (union sctp_addr_param *) 2830 addr_param = (union sctp_addr_param *)
2830 ((void *)asconf_param + sizeof(sctp_addip_param_t)); 2831 ((void *)asconf_param + sizeof(sctp_addip_param_t));
2831 2832
2833 switch (addr_param->v4.param_hdr.type) {
2834 case SCTP_PARAM_IPV6_ADDRESS:
2835 if (!asoc->peer.ipv6_address)
2836 return SCTP_ERROR_INV_PARAM;
2837 break;
2838 case SCTP_PARAM_IPV4_ADDRESS:
2839 if (!asoc->peer.ipv4_address)
2840 return SCTP_ERROR_INV_PARAM;
2841 break;
2842 default:
2843 return SCTP_ERROR_INV_PARAM;
2844 }
2845
2832 af = sctp_get_af_specific(param_type2af(addr_param->v4.param_hdr.type)); 2846 af = sctp_get_af_specific(param_type2af(addr_param->v4.param_hdr.type));
2833 if (unlikely(!af)) 2847 if (unlikely(!af))
2834 return SCTP_ERROR_INV_PARAM; 2848 return SCTP_ERROR_INV_PARAM;
diff --git a/net/xfrm/xfrm_output.c b/net/xfrm/xfrm_output.c
index 09cd9c0c2d80..3f964db908a7 100644
--- a/net/xfrm/xfrm_output.c
+++ b/net/xfrm/xfrm_output.c
@@ -25,11 +25,11 @@ static int xfrm_state_check_space(struct xfrm_state *x, struct sk_buff *skb)
25 struct dst_entry *dst = skb->dst; 25 struct dst_entry *dst = skb->dst;
26 int nhead = dst->header_len + LL_RESERVED_SPACE(dst->dev) 26 int nhead = dst->header_len + LL_RESERVED_SPACE(dst->dev)
27 - skb_headroom(skb); 27 - skb_headroom(skb);
28 int ntail = dst->dev->needed_tailroom - skb_tailroom(skb);
28 29
29 if (nhead > 0) 30 if (nhead > 0 || ntail > 0)
30 return pskb_expand_head(skb, nhead, 0, GFP_ATOMIC); 31 return pskb_expand_head(skb, nhead, ntail, GFP_ATOMIC);
31 32
32 /* Check tail too... */
33 return 0; 33 return 0;
34} 34}
35 35
generated by cgit v1.2.2 (git 2.25.0) at 2024-10-24 11:20:10 -0400