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authorDavid S. Miller <davem@davemloft.net>2010-05-03 00:43:40 -0400
committerDavid S. Miller <davem@davemloft.net>2010-05-03 01:02:06 -0400
commit7ef527377b88ff05fb122a47619ea506c631c914 (patch)
tree2c2e774527d5f591b975834f43e8c6fd12fb38f2 /drivers/net
parent47d29646a2c1c147d8a7598aeac2c87dd71ed638 (diff)
parent1183f3838c588545592c042c0ce15015661ce7f2 (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/bnx2.c48
-rw-r--r--drivers/net/e1000e/netdev.c3
-rw-r--r--drivers/net/gianfar.c6
-rw-r--r--drivers/net/pcmcia/smc91c92_cs.c31
-rw-r--r--drivers/net/sb1250-mac.c67
-rw-r--r--drivers/net/sfc/efx.c4
-rw-r--r--drivers/net/sfc/falcon.c4
-rw-r--r--drivers/net/sfc/falcon_boards.c13
-rw-r--r--drivers/net/sfc/nic.h2
-rw-r--r--drivers/net/sfc/siena.c13
-rw-r--r--drivers/net/usb/Kconfig9
-rw-r--r--drivers/net/usb/Makefile1
-rw-r--r--drivers/net/usb/cdc_ether.c1
-rw-r--r--drivers/net/usb/ipheth.c15
-rw-r--r--drivers/net/usb/kaweth.c1
-rw-r--r--drivers/net/usb/sierra_net.c1004
-rw-r--r--drivers/net/wireless/p54/p54pci.c2
17 files changed, 1132 insertions, 92 deletions
diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index 53326fed6c81..ab26bbc2a1d3 100644
--- a/drivers/net/bnx2.c
+++ b/drivers/net/bnx2.c
@@ -58,8 +58,8 @@
58#include "bnx2_fw.h" 58#include "bnx2_fw.h"
59 59
60#define DRV_MODULE_NAME "bnx2" 60#define DRV_MODULE_NAME "bnx2"
61#define DRV_MODULE_VERSION "2.0.8" 61#define DRV_MODULE_VERSION "2.0.9"
62#define DRV_MODULE_RELDATE "Feb 15, 2010" 62#define DRV_MODULE_RELDATE "April 27, 2010"
63#define FW_MIPS_FILE_06 "bnx2/bnx2-mips-06-5.0.0.j6.fw" 63#define FW_MIPS_FILE_06 "bnx2/bnx2-mips-06-5.0.0.j6.fw"
64#define FW_RV2P_FILE_06 "bnx2/bnx2-rv2p-06-5.0.0.j3.fw" 64#define FW_RV2P_FILE_06 "bnx2/bnx2-rv2p-06-5.0.0.j3.fw"
65#define FW_MIPS_FILE_09 "bnx2/bnx2-mips-09-5.0.0.j9.fw" 65#define FW_MIPS_FILE_09 "bnx2/bnx2-mips-09-5.0.0.j9.fw"
@@ -651,9 +651,10 @@ bnx2_napi_enable(struct bnx2 *bp)
651} 651}
652 652
653static void 653static void
654bnx2_netif_stop(struct bnx2 *bp) 654bnx2_netif_stop(struct bnx2 *bp, bool stop_cnic)
655{ 655{
656 bnx2_cnic_stop(bp); 656 if (stop_cnic)
657 bnx2_cnic_stop(bp);
657 if (netif_running(bp->dev)) { 658 if (netif_running(bp->dev)) {
658 int i; 659 int i;
659 660
@@ -671,14 +672,15 @@ bnx2_netif_stop(struct bnx2 *bp)
671} 672}
672 673
673static void 674static void
674bnx2_netif_start(struct bnx2 *bp) 675bnx2_netif_start(struct bnx2 *bp, bool start_cnic)
675{ 676{
676 if (atomic_dec_and_test(&bp->intr_sem)) { 677 if (atomic_dec_and_test(&bp->intr_sem)) {
677 if (netif_running(bp->dev)) { 678 if (netif_running(bp->dev)) {
678 netif_tx_wake_all_queues(bp->dev); 679 netif_tx_wake_all_queues(bp->dev);
679 bnx2_napi_enable(bp); 680 bnx2_napi_enable(bp);
680 bnx2_enable_int(bp); 681 bnx2_enable_int(bp);
681 bnx2_cnic_start(bp); 682 if (start_cnic)
683 bnx2_cnic_start(bp);
682 } 684 }
683 } 685 }
684} 686}
@@ -4758,8 +4760,12 @@ bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
4758 rc = bnx2_alloc_bad_rbuf(bp); 4760 rc = bnx2_alloc_bad_rbuf(bp);
4759 } 4761 }
4760 4762
4761 if (bp->flags & BNX2_FLAG_USING_MSIX) 4763 if (bp->flags & BNX2_FLAG_USING_MSIX) {
4762 bnx2_setup_msix_tbl(bp); 4764 bnx2_setup_msix_tbl(bp);
4765 /* Prevent MSIX table reads and write from timing out */
4766 REG_WR(bp, BNX2_MISC_ECO_HW_CTL,
4767 BNX2_MISC_ECO_HW_CTL_LARGE_GRC_TMOUT_EN);
4768 }
4763 4769
4764 return rc; 4770 return rc;
4765} 4771}
@@ -6272,12 +6278,12 @@ bnx2_reset_task(struct work_struct *work)
6272 return; 6278 return;
6273 } 6279 }
6274 6280
6275 bnx2_netif_stop(bp); 6281 bnx2_netif_stop(bp, true);
6276 6282
6277 bnx2_init_nic(bp, 1); 6283 bnx2_init_nic(bp, 1);
6278 6284
6279 atomic_set(&bp->intr_sem, 1); 6285 atomic_set(&bp->intr_sem, 1);
6280 bnx2_netif_start(bp); 6286 bnx2_netif_start(bp, true);
6281 rtnl_unlock(); 6287 rtnl_unlock();
6282} 6288}
6283 6289
@@ -6319,7 +6325,7 @@ bnx2_vlan_rx_register(struct net_device *dev, struct vlan_group *vlgrp)
6319 struct bnx2 *bp = netdev_priv(dev); 6325 struct bnx2 *bp = netdev_priv(dev);
6320 6326
6321 if (netif_running(dev)) 6327 if (netif_running(dev))
6322 bnx2_netif_stop(bp); 6328 bnx2_netif_stop(bp, false);
6323 6329
6324 bp->vlgrp = vlgrp; 6330 bp->vlgrp = vlgrp;
6325 6331
@@ -6330,7 +6336,7 @@ bnx2_vlan_rx_register(struct net_device *dev, struct vlan_group *vlgrp)
6330 if (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN) 6336 if (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN)
6331 bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_KEEP_VLAN_UPDATE, 0, 1); 6337 bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_KEEP_VLAN_UPDATE, 0, 1);
6332 6338
6333 bnx2_netif_start(bp); 6339 bnx2_netif_start(bp, false);
6334} 6340}
6335#endif 6341#endif
6336 6342
@@ -7050,9 +7056,9 @@ bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
7050 bp->stats_ticks &= BNX2_HC_STATS_TICKS_HC_STAT_TICKS; 7056 bp->stats_ticks &= BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
7051 7057
7052 if (netif_running(bp->dev)) { 7058 if (netif_running(bp->dev)) {
7053 bnx2_netif_stop(bp); 7059 bnx2_netif_stop(bp, true);
7054 bnx2_init_nic(bp, 0); 7060 bnx2_init_nic(bp, 0);
7055 bnx2_netif_start(bp); 7061 bnx2_netif_start(bp, true);
7056 } 7062 }
7057 7063
7058 return 0; 7064 return 0;
@@ -7082,7 +7088,7 @@ bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx)
7082 /* Reset will erase chipset stats; save them */ 7088 /* Reset will erase chipset stats; save them */
7083 bnx2_save_stats(bp); 7089 bnx2_save_stats(bp);
7084 7090
7085 bnx2_netif_stop(bp); 7091 bnx2_netif_stop(bp, true);
7086 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET); 7092 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
7087 bnx2_free_skbs(bp); 7093 bnx2_free_skbs(bp);
7088 bnx2_free_mem(bp); 7094 bnx2_free_mem(bp);
@@ -7110,7 +7116,7 @@ bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx)
7110 bnx2_setup_cnic_irq_info(bp); 7116 bnx2_setup_cnic_irq_info(bp);
7111 mutex_unlock(&bp->cnic_lock); 7117 mutex_unlock(&bp->cnic_lock);
7112#endif 7118#endif
7113 bnx2_netif_start(bp); 7119 bnx2_netif_start(bp, true);
7114 } 7120 }
7115 return 0; 7121 return 0;
7116} 7122}
@@ -7363,7 +7369,7 @@ bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
7363 if (etest->flags & ETH_TEST_FL_OFFLINE) { 7369 if (etest->flags & ETH_TEST_FL_OFFLINE) {
7364 int i; 7370 int i;
7365 7371
7366 bnx2_netif_stop(bp); 7372 bnx2_netif_stop(bp, true);
7367 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG); 7373 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG);
7368 bnx2_free_skbs(bp); 7374 bnx2_free_skbs(bp);
7369 7375
@@ -7382,7 +7388,7 @@ bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
7382 bnx2_shutdown_chip(bp); 7388 bnx2_shutdown_chip(bp);
7383 else { 7389 else {
7384 bnx2_init_nic(bp, 1); 7390 bnx2_init_nic(bp, 1);
7385 bnx2_netif_start(bp); 7391 bnx2_netif_start(bp, true);
7386 } 7392 }
7387 7393
7388 /* wait for link up */ 7394 /* wait for link up */
@@ -8376,7 +8382,7 @@ bnx2_suspend(struct pci_dev *pdev, pm_message_t state)
8376 return 0; 8382 return 0;
8377 8383
8378 flush_scheduled_work(); 8384 flush_scheduled_work();
8379 bnx2_netif_stop(bp); 8385 bnx2_netif_stop(bp, true);
8380 netif_device_detach(dev); 8386 netif_device_detach(dev);
8381 del_timer_sync(&bp->timer); 8387 del_timer_sync(&bp->timer);
8382 bnx2_shutdown_chip(bp); 8388 bnx2_shutdown_chip(bp);
@@ -8398,7 +8404,7 @@ bnx2_resume(struct pci_dev *pdev)
8398 bnx2_set_power_state(bp, PCI_D0); 8404 bnx2_set_power_state(bp, PCI_D0);
8399 netif_device_attach(dev); 8405 netif_device_attach(dev);
8400 bnx2_init_nic(bp, 1); 8406 bnx2_init_nic(bp, 1);
8401 bnx2_netif_start(bp); 8407 bnx2_netif_start(bp, true);
8402 return 0; 8408 return 0;
8403} 8409}
8404 8410
@@ -8425,7 +8431,7 @@ static pci_ers_result_t bnx2_io_error_detected(struct pci_dev *pdev,
8425 } 8431 }
8426 8432
8427 if (netif_running(dev)) { 8433 if (netif_running(dev)) {
8428 bnx2_netif_stop(bp); 8434 bnx2_netif_stop(bp, true);
8429 del_timer_sync(&bp->timer); 8435 del_timer_sync(&bp->timer);
8430 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET); 8436 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
8431 } 8437 }
@@ -8482,7 +8488,7 @@ static void bnx2_io_resume(struct pci_dev *pdev)
8482 8488
8483 rtnl_lock(); 8489 rtnl_lock();
8484 if (netif_running(dev)) 8490 if (netif_running(dev))
8485 bnx2_netif_start(bp); 8491 bnx2_netif_start(bp, true);
8486 8492
8487 netif_device_attach(dev); 8493 netif_device_attach(dev);
8488 rtnl_unlock(); 8494 rtnl_unlock();
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index 904bd6bf3199..d13760dc27f8 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -5020,6 +5020,9 @@ static void __e1000e_disable_aspm(struct pci_dev *pdev, u16 state)
5020 reg16 &= ~state; 5020 reg16 &= ~state;
5021 pci_write_config_word(pdev, pos + PCI_EXP_LNKCTL, reg16); 5021 pci_write_config_word(pdev, pos + PCI_EXP_LNKCTL, reg16);
5022 5022
5023 if (!pdev->bus->self)
5024 return;
5025
5023 pos = pci_pcie_cap(pdev->bus->self); 5026 pos = pci_pcie_cap(pdev->bus->self);
5024 pci_read_config_word(pdev->bus->self, pos + PCI_EXP_LNKCTL, &reg16); 5027 pci_read_config_word(pdev->bus->self, pos + PCI_EXP_LNKCTL, &reg16);
5025 reg16 &= ~state; 5028 reg16 &= ~state;
diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index 0cef967499d3..5267c27e3174 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -1567,9 +1567,9 @@ static void gfar_halt_nodisable(struct net_device *dev)
1567 tempval |= (DMACTRL_GRS | DMACTRL_GTS); 1567 tempval |= (DMACTRL_GRS | DMACTRL_GTS);
1568 gfar_write(&regs->dmactrl, tempval); 1568 gfar_write(&regs->dmactrl, tempval);
1569 1569
1570 while (!(gfar_read(&regs->ievent) & 1570 spin_event_timeout(((gfar_read(&regs->ievent) &
1571 (IEVENT_GRSC | IEVENT_GTSC))) 1571 (IEVENT_GRSC | IEVENT_GTSC)) ==
1572 cpu_relax(); 1572 (IEVENT_GRSC | IEVENT_GTSC)), -1, 0);
1573 } 1573 }
1574} 1574}
1575 1575
diff --git a/drivers/net/pcmcia/smc91c92_cs.c b/drivers/net/pcmcia/smc91c92_cs.c
index 408f3d7b1545..949ac1a12537 100644
--- a/drivers/net/pcmcia/smc91c92_cs.c
+++ b/drivers/net/pcmcia/smc91c92_cs.c
@@ -1804,23 +1804,30 @@ static void media_check(u_long arg)
1804 SMC_SELECT_BANK(1); 1804 SMC_SELECT_BANK(1);
1805 media |= (inw(ioaddr + CONFIG) & CFG_AUI_SELECT) ? 2 : 1; 1805 media |= (inw(ioaddr + CONFIG) & CFG_AUI_SELECT) ? 2 : 1;
1806 1806
1807 SMC_SELECT_BANK(saved_bank);
1808 spin_unlock_irqrestore(&smc->lock, flags);
1809
1807 /* Check for pending interrupt with watchdog flag set: with 1810 /* Check for pending interrupt with watchdog flag set: with
1808 this, we can limp along even if the interrupt is blocked */ 1811 this, we can limp along even if the interrupt is blocked */
1809 if (smc->watchdog++ && ((i>>8) & i)) { 1812 if (smc->watchdog++ && ((i>>8) & i)) {
1810 if (!smc->fast_poll) 1813 if (!smc->fast_poll)
1811 printk(KERN_INFO "%s: interrupt(s) dropped!\n", dev->name); 1814 printk(KERN_INFO "%s: interrupt(s) dropped!\n", dev->name);
1815 local_irq_save(flags);
1812 smc_interrupt(dev->irq, dev); 1816 smc_interrupt(dev->irq, dev);
1817 local_irq_restore(flags);
1813 smc->fast_poll = HZ; 1818 smc->fast_poll = HZ;
1814 } 1819 }
1815 if (smc->fast_poll) { 1820 if (smc->fast_poll) {
1816 smc->fast_poll--; 1821 smc->fast_poll--;
1817 smc->media.expires = jiffies + HZ/100; 1822 smc->media.expires = jiffies + HZ/100;
1818 add_timer(&smc->media); 1823 add_timer(&smc->media);
1819 SMC_SELECT_BANK(saved_bank);
1820 spin_unlock_irqrestore(&smc->lock, flags);
1821 return; 1824 return;
1822 } 1825 }
1823 1826
1827 spin_lock_irqsave(&smc->lock, flags);
1828
1829 saved_bank = inw(ioaddr + BANK_SELECT);
1830
1824 if (smc->cfg & CFG_MII_SELECT) { 1831 if (smc->cfg & CFG_MII_SELECT) {
1825 if (smc->mii_if.phy_id < 0) 1832 if (smc->mii_if.phy_id < 0)
1826 goto reschedule; 1833 goto reschedule;
@@ -1978,15 +1985,16 @@ static int smc_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
1978 unsigned int ioaddr = dev->base_addr; 1985 unsigned int ioaddr = dev->base_addr;
1979 u16 saved_bank = inw(ioaddr + BANK_SELECT); 1986 u16 saved_bank = inw(ioaddr + BANK_SELECT);
1980 int ret; 1987 int ret;
1988 unsigned long flags;
1981 1989
1982 spin_lock_irq(&smc->lock); 1990 spin_lock_irqsave(&smc->lock, flags);
1983 SMC_SELECT_BANK(3); 1991 SMC_SELECT_BANK(3);
1984 if (smc->cfg & CFG_MII_SELECT) 1992 if (smc->cfg & CFG_MII_SELECT)
1985 ret = mii_ethtool_gset(&smc->mii_if, ecmd); 1993 ret = mii_ethtool_gset(&smc->mii_if, ecmd);
1986 else 1994 else
1987 ret = smc_netdev_get_ecmd(dev, ecmd); 1995 ret = smc_netdev_get_ecmd(dev, ecmd);
1988 SMC_SELECT_BANK(saved_bank); 1996 SMC_SELECT_BANK(saved_bank);
1989 spin_unlock_irq(&smc->lock); 1997 spin_unlock_irqrestore(&smc->lock, flags);
1990 return ret; 1998 return ret;
1991} 1999}
1992 2000
@@ -1996,15 +2004,16 @@ static int smc_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
1996 unsigned int ioaddr = dev->base_addr; 2004 unsigned int ioaddr = dev->base_addr;
1997 u16 saved_bank = inw(ioaddr + BANK_SELECT); 2005 u16 saved_bank = inw(ioaddr + BANK_SELECT);
1998 int ret; 2006 int ret;
2007 unsigned long flags;
1999 2008
2000 spin_lock_irq(&smc->lock); 2009 spin_lock_irqsave(&smc->lock, flags);
2001 SMC_SELECT_BANK(3); 2010 SMC_SELECT_BANK(3);
2002 if (smc->cfg & CFG_MII_SELECT) 2011 if (smc->cfg & CFG_MII_SELECT)
2003 ret = mii_ethtool_sset(&smc->mii_if, ecmd); 2012 ret = mii_ethtool_sset(&smc->mii_if, ecmd);
2004 else 2013 else
2005 ret = smc_netdev_set_ecmd(dev, ecmd); 2014 ret = smc_netdev_set_ecmd(dev, ecmd);
2006 SMC_SELECT_BANK(saved_bank); 2015 SMC_SELECT_BANK(saved_bank);
2007 spin_unlock_irq(&smc->lock); 2016 spin_unlock_irqrestore(&smc->lock, flags);
2008 return ret; 2017 return ret;
2009} 2018}
2010 2019
@@ -2014,12 +2023,13 @@ static u32 smc_get_link(struct net_device *dev)
2014 unsigned int ioaddr = dev->base_addr; 2023 unsigned int ioaddr = dev->base_addr;
2015 u16 saved_bank = inw(ioaddr + BANK_SELECT); 2024 u16 saved_bank = inw(ioaddr + BANK_SELECT);
2016 u32 ret; 2025 u32 ret;
2026 unsigned long flags;
2017 2027
2018 spin_lock_irq(&smc->lock); 2028 spin_lock_irqsave(&smc->lock, flags);
2019 SMC_SELECT_BANK(3); 2029 SMC_SELECT_BANK(3);
2020 ret = smc_link_ok(dev); 2030 ret = smc_link_ok(dev);
2021 SMC_SELECT_BANK(saved_bank); 2031 SMC_SELECT_BANK(saved_bank);
2022 spin_unlock_irq(&smc->lock); 2032 spin_unlock_irqrestore(&smc->lock, flags);
2023 return ret; 2033 return ret;
2024} 2034}
2025 2035
@@ -2056,16 +2066,17 @@ static int smc_ioctl (struct net_device *dev, struct ifreq *rq, int cmd)
2056 int rc = 0; 2066 int rc = 0;
2057 u16 saved_bank; 2067 u16 saved_bank;
2058 unsigned int ioaddr = dev->base_addr; 2068 unsigned int ioaddr = dev->base_addr;
2069 unsigned long flags;
2059 2070
2060 if (!netif_running(dev)) 2071 if (!netif_running(dev))
2061 return -EINVAL; 2072 return -EINVAL;
2062 2073
2063 spin_lock_irq(&smc->lock); 2074 spin_lock_irqsave(&smc->lock, flags);
2064 saved_bank = inw(ioaddr + BANK_SELECT); 2075 saved_bank = inw(ioaddr + BANK_SELECT);
2065 SMC_SELECT_BANK(3); 2076 SMC_SELECT_BANK(3);
2066 rc = generic_mii_ioctl(&smc->mii_if, mii, cmd, NULL); 2077 rc = generic_mii_ioctl(&smc->mii_if, mii, cmd, NULL);
2067 SMC_SELECT_BANK(saved_bank); 2078 SMC_SELECT_BANK(saved_bank);
2068 spin_unlock_irq(&smc->lock); 2079 spin_unlock_irqrestore(&smc->lock, flags);
2069 return rc; 2080 return rc;
2070} 2081}
2071 2082
diff --git a/drivers/net/sb1250-mac.c b/drivers/net/sb1250-mac.c
index ba4770a6c2e4..fec3c29b2ea8 100644
--- a/drivers/net/sb1250-mac.c
+++ b/drivers/net/sb1250-mac.c
@@ -2256,17 +2256,36 @@ static int sbmac_init(struct platform_device *pldev, long long base)
2256 2256
2257 sc->mii_bus = mdiobus_alloc(); 2257 sc->mii_bus = mdiobus_alloc();
2258 if (sc->mii_bus == NULL) { 2258 if (sc->mii_bus == NULL) {
2259 sbmac_uninitctx(sc); 2259 err = -ENOMEM;
2260 return -ENOMEM; 2260 goto uninit_ctx;
2261 } 2261 }
2262 2262
2263 sc->mii_bus->name = sbmac_mdio_string;
2264 snprintf(sc->mii_bus->id, MII_BUS_ID_SIZE, "%x", idx);
2265 sc->mii_bus->priv = sc;
2266 sc->mii_bus->read = sbmac_mii_read;
2267 sc->mii_bus->write = sbmac_mii_write;
2268 sc->mii_bus->irq = sc->phy_irq;
2269 for (i = 0; i < PHY_MAX_ADDR; ++i)
2270 sc->mii_bus->irq[i] = SBMAC_PHY_INT;
2271
2272 sc->mii_bus->parent = &pldev->dev;
2273 /*
2274 * Probe PHY address
2275 */
2276 err = mdiobus_register(sc->mii_bus);
2277 if (err) {
2278 printk(KERN_ERR "%s: unable to register MDIO bus\n",
2279 dev->name);
2280 goto free_mdio;
2281 }
2282 dev_set_drvdata(&pldev->dev, sc->mii_bus);
2283
2263 err = register_netdev(dev); 2284 err = register_netdev(dev);
2264 if (err) { 2285 if (err) {
2265 printk(KERN_ERR "%s.%d: unable to register netdev\n", 2286 printk(KERN_ERR "%s.%d: unable to register netdev\n",
2266 sbmac_string, idx); 2287 sbmac_string, idx);
2267 mdiobus_free(sc->mii_bus); 2288 goto unreg_mdio;
2268 sbmac_uninitctx(sc);
2269 return err;
2270 } 2289 }
2271 2290
2272 pr_info("%s.%d: registered as %s\n", sbmac_string, idx, dev->name); 2291 pr_info("%s.%d: registered as %s\n", sbmac_string, idx, dev->name);
@@ -2282,19 +2301,15 @@ static int sbmac_init(struct platform_device *pldev, long long base)
2282 pr_info("%s: SiByte Ethernet at 0x%08Lx, address: %pM\n", 2301 pr_info("%s: SiByte Ethernet at 0x%08Lx, address: %pM\n",
2283 dev->name, base, eaddr); 2302 dev->name, base, eaddr);
2284 2303
2285 sc->mii_bus->name = sbmac_mdio_string;
2286 snprintf(sc->mii_bus->id, MII_BUS_ID_SIZE, "%x", idx);
2287 sc->mii_bus->priv = sc;
2288 sc->mii_bus->read = sbmac_mii_read;
2289 sc->mii_bus->write = sbmac_mii_write;
2290 sc->mii_bus->irq = sc->phy_irq;
2291 for (i = 0; i < PHY_MAX_ADDR; ++i)
2292 sc->mii_bus->irq[i] = SBMAC_PHY_INT;
2293
2294 sc->mii_bus->parent = &pldev->dev;
2295 dev_set_drvdata(&pldev->dev, sc->mii_bus);
2296
2297 return 0; 2304 return 0;
2305unreg_mdio:
2306 mdiobus_unregister(sc->mii_bus);
2307 dev_set_drvdata(&pldev->dev, NULL);
2308free_mdio:
2309 mdiobus_free(sc->mii_bus);
2310uninit_ctx:
2311 sbmac_uninitctx(sc);
2312 return err;
2298} 2313}
2299 2314
2300 2315
@@ -2320,16 +2335,6 @@ static int sbmac_open(struct net_device *dev)
2320 goto out_err; 2335 goto out_err;
2321 } 2336 }
2322 2337
2323 /*
2324 * Probe PHY address
2325 */
2326 err = mdiobus_register(sc->mii_bus);
2327 if (err) {
2328 printk(KERN_ERR "%s: unable to register MDIO bus\n",
2329 dev->name);
2330 goto out_unirq;
2331 }
2332
2333 sc->sbm_speed = sbmac_speed_none; 2338 sc->sbm_speed = sbmac_speed_none;
2334 sc->sbm_duplex = sbmac_duplex_none; 2339 sc->sbm_duplex = sbmac_duplex_none;
2335 sc->sbm_fc = sbmac_fc_none; 2340 sc->sbm_fc = sbmac_fc_none;
@@ -2360,11 +2365,7 @@ static int sbmac_open(struct net_device *dev)
2360 return 0; 2365 return 0;
2361 2366
2362out_unregister: 2367out_unregister:
2363 mdiobus_unregister(sc->mii_bus);
2364
2365out_unirq:
2366 free_irq(dev->irq, dev); 2368 free_irq(dev->irq, dev);
2367
2368out_err: 2369out_err:
2369 return err; 2370 return err;
2370} 2371}
@@ -2553,9 +2554,6 @@ static int sbmac_close(struct net_device *dev)
2553 2554
2554 phy_disconnect(sc->phy_dev); 2555 phy_disconnect(sc->phy_dev);
2555 sc->phy_dev = NULL; 2556 sc->phy_dev = NULL;
2556
2557 mdiobus_unregister(sc->mii_bus);
2558
2559 free_irq(dev->irq, dev); 2557 free_irq(dev->irq, dev);
2560 2558
2561 sbdma_emptyring(&(sc->sbm_txdma)); 2559 sbdma_emptyring(&(sc->sbm_txdma));
@@ -2662,6 +2660,7 @@ static int __exit sbmac_remove(struct platform_device *pldev)
2662 2660
2663 unregister_netdev(dev); 2661 unregister_netdev(dev);
2664 sbmac_uninitctx(sc); 2662 sbmac_uninitctx(sc);
2663 mdiobus_unregister(sc->mii_bus);
2665 mdiobus_free(sc->mii_bus); 2664 mdiobus_free(sc->mii_bus);
2666 iounmap(sc->sbm_base); 2665 iounmap(sc->sbm_base);
2667 free_netdev(dev); 2666 free_netdev(dev);
diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index bc75ef683c9f..156460527231 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -1870,6 +1870,7 @@ out:
1870 } 1870 }
1871 1871
1872 if (disabled) { 1872 if (disabled) {
1873 dev_close(efx->net_dev);
1873 EFX_ERR(efx, "has been disabled\n"); 1874 EFX_ERR(efx, "has been disabled\n");
1874 efx->state = STATE_DISABLED; 1875 efx->state = STATE_DISABLED;
1875 } else { 1876 } else {
@@ -1893,8 +1894,7 @@ static void efx_reset_work(struct work_struct *data)
1893 } 1894 }
1894 1895
1895 rtnl_lock(); 1896 rtnl_lock();
1896 if (efx_reset(efx, efx->reset_pending)) 1897 (void)efx_reset(efx, efx->reset_pending);
1897 dev_close(efx->net_dev);
1898 rtnl_unlock(); 1898 rtnl_unlock();
1899} 1899}
1900 1900
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index f7df24dce38a..655b697b45b2 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -1326,7 +1326,9 @@ static int falcon_probe_nvconfig(struct efx_nic *efx)
1326 1326
1327 EFX_LOG(efx, "PHY is %d phy_id %d\n", efx->phy_type, efx->mdio.prtad); 1327 EFX_LOG(efx, "PHY is %d phy_id %d\n", efx->phy_type, efx->mdio.prtad);
1328 1328
1329 falcon_probe_board(efx, board_rev); 1329 rc = falcon_probe_board(efx, board_rev);
1330 if (rc)
1331 goto fail2;
1330 1332
1331 kfree(nvconfig); 1333 kfree(nvconfig);
1332 return 0; 1334 return 0;
diff --git a/drivers/net/sfc/falcon_boards.c b/drivers/net/sfc/falcon_boards.c
index 5712fddd72f2..c7a933a3292e 100644
--- a/drivers/net/sfc/falcon_boards.c
+++ b/drivers/net/sfc/falcon_boards.c
@@ -728,15 +728,7 @@ static const struct falcon_board_type board_types[] = {
728 }, 728 },
729}; 729};
730 730
731static const struct falcon_board_type falcon_dummy_board = { 731int falcon_probe_board(struct efx_nic *efx, u16 revision_info)
732 .init = efx_port_dummy_op_int,
733 .init_phy = efx_port_dummy_op_void,
734 .fini = efx_port_dummy_op_void,
735 .set_id_led = efx_port_dummy_op_set_id_led,
736 .monitor = efx_port_dummy_op_int,
737};
738
739void falcon_probe_board(struct efx_nic *efx, u16 revision_info)
740{ 732{
741 struct falcon_board *board = falcon_board(efx); 733 struct falcon_board *board = falcon_board(efx);
742 u8 type_id = FALCON_BOARD_TYPE(revision_info); 734 u8 type_id = FALCON_BOARD_TYPE(revision_info);
@@ -754,8 +746,9 @@ void falcon_probe_board(struct efx_nic *efx, u16 revision_info)
754 (efx->pci_dev->subsystem_vendor == EFX_VENDID_SFC) 746 (efx->pci_dev->subsystem_vendor == EFX_VENDID_SFC)
755 ? board->type->ref_model : board->type->gen_type, 747 ? board->type->ref_model : board->type->gen_type,
756 'A' + board->major, board->minor); 748 'A' + board->major, board->minor);
749 return 0;
757 } else { 750 } else {
758 EFX_ERR(efx, "unknown board type %d\n", type_id); 751 EFX_ERR(efx, "unknown board type %d\n", type_id);
759 board->type = &falcon_dummy_board; 752 return -ENODEV;
760 } 753 }
761} 754}
diff --git a/drivers/net/sfc/nic.h b/drivers/net/sfc/nic.h
index 5825f37b51bd..bbc2c0c2f843 100644
--- a/drivers/net/sfc/nic.h
+++ b/drivers/net/sfc/nic.h
@@ -158,7 +158,7 @@ extern struct efx_nic_type siena_a0_nic_type;
158 ************************************************************************** 158 **************************************************************************
159 */ 159 */
160 160
161extern void falcon_probe_board(struct efx_nic *efx, u16 revision_info); 161extern int falcon_probe_board(struct efx_nic *efx, u16 revision_info);
162 162
163/* TX data path */ 163/* TX data path */
164extern int efx_nic_probe_tx(struct efx_tx_queue *tx_queue); 164extern int efx_nic_probe_tx(struct efx_tx_queue *tx_queue);
diff --git a/drivers/net/sfc/siena.c b/drivers/net/sfc/siena.c
index 7bf93faff3ab..727b4228e081 100644
--- a/drivers/net/sfc/siena.c
+++ b/drivers/net/sfc/siena.c
@@ -475,8 +475,17 @@ static int siena_try_update_nic_stats(struct efx_nic *efx)
475 475
476static void siena_update_nic_stats(struct efx_nic *efx) 476static void siena_update_nic_stats(struct efx_nic *efx)
477{ 477{
478 while (siena_try_update_nic_stats(efx) == -EAGAIN) 478 int retry;
479 cpu_relax(); 479
480 /* If we're unlucky enough to read statistics wduring the DMA, wait
481 * up to 10ms for it to finish (typically takes <500us) */
482 for (retry = 0; retry < 100; ++retry) {
483 if (siena_try_update_nic_stats(efx) == 0)
484 return;
485 udelay(100);
486 }
487
488 /* Use the old values instead */
480} 489}
481 490
482static void siena_start_nic_stats(struct efx_nic *efx) 491static void siena_start_nic_stats(struct efx_nic *efx)
diff --git a/drivers/net/usb/Kconfig b/drivers/net/usb/Kconfig
index 63be4caec70e..d7b7018a1de1 100644
--- a/drivers/net/usb/Kconfig
+++ b/drivers/net/usb/Kconfig
@@ -397,4 +397,13 @@ config USB_IPHETH
397 397
398 For more information: http://giagio.com/wiki/moin.cgi/iPhoneEthernetDriver 398 For more information: http://giagio.com/wiki/moin.cgi/iPhoneEthernetDriver
399 399
400config USB_SIERRA_NET
401 tristate "USB-to-WWAN Driver for Sierra Wireless modems"
402 depends on USB_USBNET
403 help
404 Choose this option if you have a Sierra Wireless USB-to-WWAN device.
405
406 To compile this driver as a module, choose M here: the
407 module will be called sierra_net.
408
400endmenu 409endmenu
diff --git a/drivers/net/usb/Makefile b/drivers/net/usb/Makefile
index edb09c0ddf8e..b13a279663ba 100644
--- a/drivers/net/usb/Makefile
+++ b/drivers/net/usb/Makefile
@@ -24,4 +24,5 @@ obj-$(CONFIG_USB_USBNET) += usbnet.o
24obj-$(CONFIG_USB_NET_INT51X1) += int51x1.o 24obj-$(CONFIG_USB_NET_INT51X1) += int51x1.o
25obj-$(CONFIG_USB_CDC_PHONET) += cdc-phonet.o 25obj-$(CONFIG_USB_CDC_PHONET) += cdc-phonet.o
26obj-$(CONFIG_USB_IPHETH) += ipheth.o 26obj-$(CONFIG_USB_IPHETH) += ipheth.o
27obj-$(CONFIG_USB_SIERRA_NET) += sierra_net.o
27 28
diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c
index 811b2dc423d1..b3fe0de40469 100644
--- a/drivers/net/usb/cdc_ether.c
+++ b/drivers/net/usb/cdc_ether.c
@@ -466,6 +466,7 @@ static const struct driver_info mbm_info = {
466 .bind = cdc_bind, 466 .bind = cdc_bind,
467 .unbind = usbnet_cdc_unbind, 467 .unbind = usbnet_cdc_unbind,
468 .status = cdc_status, 468 .status = cdc_status,
469 .manage_power = cdc_manage_power,
469}; 470};
470 471
471/*-------------------------------------------------------------------------*/ 472/*-------------------------------------------------------------------------*/
diff --git a/drivers/net/usb/ipheth.c b/drivers/net/usb/ipheth.c
index fd1033130a81..418825d26f90 100644
--- a/drivers/net/usb/ipheth.c
+++ b/drivers/net/usb/ipheth.c
@@ -122,25 +122,25 @@ static int ipheth_alloc_urbs(struct ipheth_device *iphone)
122 122
123 tx_urb = usb_alloc_urb(0, GFP_KERNEL); 123 tx_urb = usb_alloc_urb(0, GFP_KERNEL);
124 if (tx_urb == NULL) 124 if (tx_urb == NULL)
125 goto error; 125 goto error_nomem;
126 126
127 rx_urb = usb_alloc_urb(0, GFP_KERNEL); 127 rx_urb = usb_alloc_urb(0, GFP_KERNEL);
128 if (rx_urb == NULL) 128 if (rx_urb == NULL)
129 goto error; 129 goto free_tx_urb;
130 130
131 tx_buf = usb_buffer_alloc(iphone->udev, 131 tx_buf = usb_buffer_alloc(iphone->udev,
132 IPHETH_BUF_SIZE, 132 IPHETH_BUF_SIZE,
133 GFP_KERNEL, 133 GFP_KERNEL,
134 &tx_urb->transfer_dma); 134 &tx_urb->transfer_dma);
135 if (tx_buf == NULL) 135 if (tx_buf == NULL)
136 goto error; 136 goto free_rx_urb;
137 137
138 rx_buf = usb_buffer_alloc(iphone->udev, 138 rx_buf = usb_buffer_alloc(iphone->udev,
139 IPHETH_BUF_SIZE, 139 IPHETH_BUF_SIZE,
140 GFP_KERNEL, 140 GFP_KERNEL,
141 &rx_urb->transfer_dma); 141 &rx_urb->transfer_dma);
142 if (rx_buf == NULL) 142 if (rx_buf == NULL)
143 goto error; 143 goto free_tx_buf;
144 144
145 145
146 iphone->tx_urb = tx_urb; 146 iphone->tx_urb = tx_urb;
@@ -149,13 +149,14 @@ static int ipheth_alloc_urbs(struct ipheth_device *iphone)
149 iphone->rx_buf = rx_buf; 149 iphone->rx_buf = rx_buf;
150 return 0; 150 return 0;
151 151
152error: 152free_tx_buf:
153 usb_buffer_free(iphone->udev, IPHETH_BUF_SIZE, rx_buf,
154 rx_urb->transfer_dma);
155 usb_buffer_free(iphone->udev, IPHETH_BUF_SIZE, tx_buf, 153 usb_buffer_free(iphone->udev, IPHETH_BUF_SIZE, tx_buf,
156 tx_urb->transfer_dma); 154 tx_urb->transfer_dma);
155free_rx_urb:
157 usb_free_urb(rx_urb); 156 usb_free_urb(rx_urb);
157free_tx_urb:
158 usb_free_urb(tx_urb); 158 usb_free_urb(tx_urb);
159error_nomem:
159 return -ENOMEM; 160 return -ENOMEM;
160} 161}
161 162
diff --git a/drivers/net/usb/kaweth.c b/drivers/net/usb/kaweth.c
index 52671ea043a7..c4c334d9770f 100644
--- a/drivers/net/usb/kaweth.c
+++ b/drivers/net/usb/kaweth.c
@@ -145,6 +145,7 @@ static struct usb_device_id usb_klsi_table[] = {
145 { USB_DEVICE(0x0707, 0x0100) }, /* SMC 2202USB */ 145 { USB_DEVICE(0x0707, 0x0100) }, /* SMC 2202USB */
146 { USB_DEVICE(0x07aa, 0x0001) }, /* Correga K.K. */ 146 { USB_DEVICE(0x07aa, 0x0001) }, /* Correga K.K. */
147 { USB_DEVICE(0x07b8, 0x4000) }, /* D-Link DU-E10 */ 147 { USB_DEVICE(0x07b8, 0x4000) }, /* D-Link DU-E10 */
148 { USB_DEVICE(0x07c9, 0xb010) }, /* Allied Telesyn AT-USB10 USB Ethernet Adapter */
148 { USB_DEVICE(0x0846, 0x1001) }, /* NetGear EA-101 */ 149 { USB_DEVICE(0x0846, 0x1001) }, /* NetGear EA-101 */
149 { USB_DEVICE(0x0846, 0x1002) }, /* NetGear EA-101 */ 150 { USB_DEVICE(0x0846, 0x1002) }, /* NetGear EA-101 */
150 { USB_DEVICE(0x085a, 0x0008) }, /* PortGear Ethernet Adapter */ 151 { USB_DEVICE(0x085a, 0x0008) }, /* PortGear Ethernet Adapter */
diff --git a/drivers/net/usb/sierra_net.c b/drivers/net/usb/sierra_net.c
new file mode 100644
index 000000000000..f1942d69a0d5
--- /dev/null
+++ b/drivers/net/usb/sierra_net.c
@@ -0,0 +1,1004 @@
1/*
2 * USB-to-WWAN Driver for Sierra Wireless modems
3 *
4 * Copyright (C) 2008, 2009, 2010 Paxton Smith, Matthew Safar, Rory Filer
5 * <linux@sierrawireless.com>
6 *
7 * Portions of this based on the cdc_ether driver by David Brownell (2003-2005)
8 * and Ole Andre Vadla Ravnas (ActiveSync) (2006).
9 *
10 * IMPORTANT DISCLAIMER: This driver is not commercially supported by
11 * Sierra Wireless. Use at your own risk.
12 *
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License as published by
15 * the Free Software Foundation; either version 2 of the License, or
16 * (at your option) any later version.
17 *
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
22 *
23 * You should have received a copy of the GNU General Public License
24 * along with this program; if not, write to the Free Software
25 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
26 */
27
28#define DRIVER_VERSION "v.2.0"
29#define DRIVER_AUTHOR "Paxton Smith, Matthew Safar, Rory Filer"
30#define DRIVER_DESC "USB-to-WWAN Driver for Sierra Wireless modems"
31static const char driver_name[] = "sierra_net";
32
33/* if defined debug messages enabled */
34/*#define DEBUG*/
35
36#include <linux/module.h>
37#include <linux/etherdevice.h>
38#include <linux/ethtool.h>
39#include <linux/mii.h>
40#include <linux/sched.h>
41#include <linux/timer.h>
42#include <linux/usb.h>
43#include <linux/usb/cdc.h>
44#include <net/ip.h>
45#include <net/udp.h>
46#include <asm/unaligned.h>
47#include <linux/usb/usbnet.h>
48
49#define SWI_USB_REQUEST_GET_FW_ATTR 0x06
50#define SWI_GET_FW_ATTR_MASK 0x08
51
52/* atomic counter partially included in MAC address to make sure 2 devices
53 * do not end up with the same MAC - concept breaks in case of > 255 ifaces
54 */
55static atomic_t iface_counter = ATOMIC_INIT(0);
56
57/*
58 * SYNC Timer Delay definition used to set the expiry time
59 */
60#define SIERRA_NET_SYNCDELAY (2*HZ)
61
62/* Max. MTU supported. The modem buffers are limited to 1500 */
63#define SIERRA_NET_MAX_SUPPORTED_MTU 1500
64
65/* The SIERRA_NET_USBCTL_BUF_LEN defines a buffer size allocated for control
66 * message reception ... and thus the max. received packet.
67 * (May be the cause for parse_hip returning -EINVAL)
68 */
69#define SIERRA_NET_USBCTL_BUF_LEN 1024
70
71/* list of interface numbers - used for constructing interface lists */
72struct sierra_net_iface_info {
73 const u32 infolen; /* number of interface numbers on list */
74 const u8 *ifaceinfo; /* pointer to the array holding the numbers */
75};
76
77struct sierra_net_info_data {
78 u16 rx_urb_size;
79 struct sierra_net_iface_info whitelist;
80};
81
82/* Private data structure */
83struct sierra_net_data {
84
85 u8 ethr_hdr_tmpl[ETH_HLEN]; /* ethernet header template for rx'd pkts */
86
87 u16 link_up; /* air link up or down */
88 u8 tx_hdr_template[4]; /* part of HIP hdr for tx'd packets */
89
90 u8 sync_msg[4]; /* SYNC message */
91 u8 shdwn_msg[4]; /* Shutdown message */
92
93 /* Backpointer to the container */
94 struct usbnet *usbnet;
95
96 u8 ifnum; /* interface number */
97
98/* Bit masks, must be a power of 2 */
99#define SIERRA_NET_EVENT_RESP_AVAIL 0x01
100#define SIERRA_NET_TIMER_EXPIRY 0x02
101 unsigned long kevent_flags;
102 struct work_struct sierra_net_kevent;
103 struct timer_list sync_timer; /* For retrying SYNC sequence */
104};
105
106struct param {
107 int is_present;
108 union {
109 void *ptr;
110 u32 dword;
111 u16 word;
112 u8 byte;
113 };
114};
115
116/* HIP message type */
117#define SIERRA_NET_HIP_EXTENDEDID 0x7F
118#define SIERRA_NET_HIP_HSYNC_ID 0x60 /* Modem -> host */
119#define SIERRA_NET_HIP_RESTART_ID 0x62 /* Modem -> host */
120#define SIERRA_NET_HIP_MSYNC_ID 0x20 /* Host -> modem */
121#define SIERRA_NET_HIP_SHUTD_ID 0x26 /* Host -> modem */
122
123#define SIERRA_NET_HIP_EXT_IP_IN_ID 0x0202
124#define SIERRA_NET_HIP_EXT_IP_OUT_ID 0x0002
125
126/* 3G UMTS Link Sense Indication definitions */
127#define SIERRA_NET_HIP_LSI_UMTSID 0x78
128
129/* Reverse Channel Grant Indication HIP message */
130#define SIERRA_NET_HIP_RCGI 0x64
131
132/* LSI Protocol types */
133#define SIERRA_NET_PROTOCOL_UMTS 0x01
134/* LSI Coverage */
135#define SIERRA_NET_COVERAGE_NONE 0x00
136#define SIERRA_NET_COVERAGE_NOPACKET 0x01
137
138/* LSI Session */
139#define SIERRA_NET_SESSION_IDLE 0x00
140/* LSI Link types */
141#define SIERRA_NET_AS_LINK_TYPE_IPv4 0x00
142
143struct lsi_umts {
144 u8 protocol;
145 u8 unused1;
146 __be16 length;
147 /* eventually use a union for the rest - assume umts for now */
148 u8 coverage;
149 u8 unused2[41];
150 u8 session_state;
151 u8 unused3[33];
152 u8 link_type;
153 u8 pdp_addr_len; /* NW-supplied PDP address len */
154 u8 pdp_addr[16]; /* NW-supplied PDP address (bigendian)) */
155 u8 unused4[23];
156 u8 dns1_addr_len; /* NW-supplied 1st DNS address len (bigendian) */
157 u8 dns1_addr[16]; /* NW-supplied 1st DNS address */
158 u8 dns2_addr_len; /* NW-supplied 2nd DNS address len */
159 u8 dns2_addr[16]; /* NW-supplied 2nd DNS address (bigendian)*/
160 u8 wins1_addr_len; /* NW-supplied 1st Wins address len */
161 u8 wins1_addr[16]; /* NW-supplied 1st Wins address (bigendian)*/
162 u8 wins2_addr_len; /* NW-supplied 2nd Wins address len */
163 u8 wins2_addr[16]; /* NW-supplied 2nd Wins address (bigendian) */
164 u8 unused5[4];
165 u8 gw_addr_len; /* NW-supplied GW address len */
166 u8 gw_addr[16]; /* NW-supplied GW address (bigendian) */
167 u8 reserved[8];
168} __attribute__ ((packed));
169
170#define SIERRA_NET_LSI_COMMON_LEN 4
171#define SIERRA_NET_LSI_UMTS_LEN (sizeof(struct lsi_umts))
172#define SIERRA_NET_LSI_UMTS_STATUS_LEN \
173 (SIERRA_NET_LSI_UMTS_LEN - SIERRA_NET_LSI_COMMON_LEN)
174
175/* Forward definitions */
176static void sierra_sync_timer(unsigned long syncdata);
177static int sierra_net_change_mtu(struct net_device *net, int new_mtu);
178
179/* Our own net device operations structure */
180static const struct net_device_ops sierra_net_device_ops = {
181 .ndo_open = usbnet_open,
182 .ndo_stop = usbnet_stop,
183 .ndo_start_xmit = usbnet_start_xmit,
184 .ndo_tx_timeout = usbnet_tx_timeout,
185 .ndo_change_mtu = sierra_net_change_mtu,
186 .ndo_set_mac_address = eth_mac_addr,
187 .ndo_validate_addr = eth_validate_addr,
188};
189
190/* get private data associated with passed in usbnet device */
191static inline struct sierra_net_data *sierra_net_get_private(struct usbnet *dev)
192{
193 return (struct sierra_net_data *)dev->data[0];
194}
195
196/* set private data associated with passed in usbnet device */
197static inline void sierra_net_set_private(struct usbnet *dev,
198 struct sierra_net_data *priv)
199{
200 dev->data[0] = (unsigned long)priv;
201}
202
203/* is packet IPv4 */
204static inline int is_ip(struct sk_buff *skb)
205{
206 return (skb->protocol == cpu_to_be16(ETH_P_IP));
207}
208
209/*
210 * check passed in packet and make sure that:
211 * - it is linear (no scatter/gather)
212 * - it is ethernet (mac_header properly set)
213 */
214static int check_ethip_packet(struct sk_buff *skb, struct usbnet *dev)
215{
216 skb_reset_mac_header(skb); /* ethernet header */
217
218 if (skb_is_nonlinear(skb)) {
219 netdev_err(dev->net, "Non linear buffer-dropping\n");
220 return 0;
221 }
222
223 if (!pskb_may_pull(skb, ETH_HLEN))
224 return 0;
225 skb->protocol = eth_hdr(skb)->h_proto;
226
227 return 1;
228}
229
230static const u8 *save16bit(struct param *p, const u8 *datap)
231{
232 p->is_present = 1;
233 p->word = get_unaligned_be16(datap);
234 return datap + sizeof(p->word);
235}
236
237static const u8 *save8bit(struct param *p, const u8 *datap)
238{
239 p->is_present = 1;
240 p->byte = *datap;
241 return datap + sizeof(p->byte);
242}
243
244/*----------------------------------------------------------------------------*
245 * BEGIN HIP *
246 *----------------------------------------------------------------------------*/
247/* HIP header */
248#define SIERRA_NET_HIP_HDR_LEN 4
249/* Extended HIP header */
250#define SIERRA_NET_HIP_EXT_HDR_LEN 6
251
252struct hip_hdr {
253 int hdrlen;
254 struct param payload_len;
255 struct param msgid;
256 struct param msgspecific;
257 struct param extmsgid;
258};
259
260static int parse_hip(const u8 *buf, const u32 buflen, struct hip_hdr *hh)
261{
262 const u8 *curp = buf;
263 int padded;
264
265 if (buflen < SIERRA_NET_HIP_HDR_LEN)
266 return -EPROTO;
267
268 curp = save16bit(&hh->payload_len, curp);
269 curp = save8bit(&hh->msgid, curp);
270 curp = save8bit(&hh->msgspecific, curp);
271
272 padded = hh->msgid.byte & 0x80;
273 hh->msgid.byte &= 0x7F; /* 7 bits */
274
275 hh->extmsgid.is_present = (hh->msgid.byte == SIERRA_NET_HIP_EXTENDEDID);
276 if (hh->extmsgid.is_present) {
277 if (buflen < SIERRA_NET_HIP_EXT_HDR_LEN)
278 return -EPROTO;
279
280 hh->payload_len.word &= 0x3FFF; /* 14 bits */
281
282 curp = save16bit(&hh->extmsgid, curp);
283 hh->extmsgid.word &= 0x03FF; /* 10 bits */
284
285 hh->hdrlen = SIERRA_NET_HIP_EXT_HDR_LEN;
286 } else {
287 hh->payload_len.word &= 0x07FF; /* 11 bits */
288 hh->hdrlen = SIERRA_NET_HIP_HDR_LEN;
289 }
290
291 if (padded) {
292 hh->hdrlen++;
293 hh->payload_len.word--;
294 }
295
296 /* if real packet shorter than the claimed length */
297 if (buflen < (hh->hdrlen + hh->payload_len.word))
298 return -EINVAL;
299
300 return 0;
301}
302
303static void build_hip(u8 *buf, const u16 payloadlen,
304 struct sierra_net_data *priv)
305{
306 /* the following doesn't have the full functionality. We
307 * currently build only one kind of header, so it is faster this way
308 */
309 put_unaligned_be16(payloadlen, buf);
310 memcpy(buf+2, priv->tx_hdr_template, sizeof(priv->tx_hdr_template));
311}
312/*----------------------------------------------------------------------------*
313 * END HIP *
314 *----------------------------------------------------------------------------*/
315
316static int sierra_net_send_cmd(struct usbnet *dev,
317 u8 *cmd, int cmdlen, const char * cmd_name)
318{
319 struct sierra_net_data *priv = sierra_net_get_private(dev);
320 int status;
321
322 status = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0),
323 USB_CDC_SEND_ENCAPSULATED_COMMAND,
324 USB_DIR_OUT|USB_TYPE_CLASS|USB_RECIP_INTERFACE, 0,
325 priv->ifnum, cmd, cmdlen, USB_CTRL_SET_TIMEOUT);
326
327 if (status != cmdlen && status != -ENODEV)
328 netdev_err(dev->net, "Submit %s failed %d\n", cmd_name, status);
329
330 return status;
331}
332
333static int sierra_net_send_sync(struct usbnet *dev)
334{
335 int status;
336 struct sierra_net_data *priv = sierra_net_get_private(dev);
337
338 dev_dbg(&dev->udev->dev, "%s", __func__);
339
340 status = sierra_net_send_cmd(dev, priv->sync_msg,
341 sizeof(priv->sync_msg), "SYNC");
342
343 return status;
344}
345
346static void sierra_net_set_ctx_index(struct sierra_net_data *priv, u8 ctx_ix)
347{
348 dev_dbg(&(priv->usbnet->udev->dev), "%s %d", __func__, ctx_ix);
349 priv->tx_hdr_template[0] = 0x3F;
350 priv->tx_hdr_template[1] = ctx_ix;
351 *((u16 *)&priv->tx_hdr_template[2]) =
352 cpu_to_be16(SIERRA_NET_HIP_EXT_IP_OUT_ID);
353}
354
355static inline int sierra_net_is_valid_addrlen(u8 len)
356{
357 return (len == sizeof(struct in_addr));
358}
359
360static int sierra_net_parse_lsi(struct usbnet *dev, char *data, int datalen)
361{
362 struct lsi_umts *lsi = (struct lsi_umts *)data;
363
364 if (datalen < sizeof(struct lsi_umts)) {
365 netdev_err(dev->net, "%s: Data length %d, exp %Zu\n",
366 __func__, datalen,
367 sizeof(struct lsi_umts));
368 return -1;
369 }
370
371 if (lsi->length != cpu_to_be16(SIERRA_NET_LSI_UMTS_STATUS_LEN)) {
372 netdev_err(dev->net, "%s: LSI_UMTS_STATUS_LEN %d, exp %u\n",
373 __func__, be16_to_cpu(lsi->length),
374 (u32)SIERRA_NET_LSI_UMTS_STATUS_LEN);
375 return -1;
376 }
377
378 /* Validate the protocol - only support UMTS for now */
379 if (lsi->protocol != SIERRA_NET_PROTOCOL_UMTS) {
380 netdev_err(dev->net, "Protocol unsupported, 0x%02x\n",
381 lsi->protocol);
382 return -1;
383 }
384
385 /* Validate the link type */
386 if (lsi->link_type != SIERRA_NET_AS_LINK_TYPE_IPv4) {
387 netdev_err(dev->net, "Link type unsupported: 0x%02x\n",
388 lsi->link_type);
389 return -1;
390 }
391
392 /* Validate the coverage */
393 if (lsi->coverage == SIERRA_NET_COVERAGE_NONE
394 || lsi->coverage == SIERRA_NET_COVERAGE_NOPACKET) {
395 netdev_err(dev->net, "No coverage, 0x%02x\n", lsi->coverage);
396 return 0;
397 }
398
399 /* Validate the session state */
400 if (lsi->session_state == SIERRA_NET_SESSION_IDLE) {
401 netdev_err(dev->net, "Session idle, 0x%02x\n",
402 lsi->session_state);
403 return 0;
404 }
405
406 /* Set link_sense true */
407 return 1;
408}
409
410static void sierra_net_handle_lsi(struct usbnet *dev, char *data,
411 struct hip_hdr *hh)
412{
413 struct sierra_net_data *priv = sierra_net_get_private(dev);
414 int link_up;
415
416 link_up = sierra_net_parse_lsi(dev, data + hh->hdrlen,
417 hh->payload_len.word);
418 if (link_up < 0) {
419 netdev_err(dev->net, "Invalid LSI\n");
420 return;
421 }
422 if (link_up) {
423 sierra_net_set_ctx_index(priv, hh->msgspecific.byte);
424 priv->link_up = 1;
425 netif_carrier_on(dev->net);
426 } else {
427 priv->link_up = 0;
428 netif_carrier_off(dev->net);
429 }
430}
431
432static void sierra_net_dosync(struct usbnet *dev)
433{
434 int status;
435 struct sierra_net_data *priv = sierra_net_get_private(dev);
436
437 dev_dbg(&dev->udev->dev, "%s", __func__);
438
439 /* tell modem we are ready */
440 status = sierra_net_send_sync(dev);
441 if (status < 0)
442 netdev_err(dev->net,
443 "Send SYNC failed, status %d\n", status);
444 status = sierra_net_send_sync(dev);
445 if (status < 0)
446 netdev_err(dev->net,
447 "Send SYNC failed, status %d\n", status);
448
449 /* Now, start a timer and make sure we get the Restart Indication */
450 priv->sync_timer.function = sierra_sync_timer;
451 priv->sync_timer.data = (unsigned long) dev;
452 priv->sync_timer.expires = jiffies + SIERRA_NET_SYNCDELAY;
453 add_timer(&priv->sync_timer);
454}
455
456static void sierra_net_kevent(struct work_struct *work)
457{
458 struct sierra_net_data *priv =
459 container_of(work, struct sierra_net_data, sierra_net_kevent);
460 struct usbnet *dev = priv->usbnet;
461 int len;
462 int err;
463 u8 *buf;
464 u8 ifnum;
465
466 if (test_bit(SIERRA_NET_EVENT_RESP_AVAIL, &priv->kevent_flags)) {
467 clear_bit(SIERRA_NET_EVENT_RESP_AVAIL, &priv->kevent_flags);
468
469 /* Query the modem for the LSI message */
470 buf = kzalloc(SIERRA_NET_USBCTL_BUF_LEN, GFP_KERNEL);
471 if (!buf) {
472 netdev_err(dev->net,
473 "failed to allocate buf for LS msg\n");
474 return;
475 }
476 ifnum = priv->ifnum;
477 len = usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0),
478 USB_CDC_GET_ENCAPSULATED_RESPONSE,
479 USB_DIR_IN|USB_TYPE_CLASS|USB_RECIP_INTERFACE,
480 0, ifnum, buf, SIERRA_NET_USBCTL_BUF_LEN,
481 USB_CTRL_SET_TIMEOUT);
482
483 if (len < 0) {
484 netdev_err(dev->net,
485 "usb_control_msg failed, status %d\n", len);
486 } else {
487 struct hip_hdr hh;
488
489 dev_dbg(&dev->udev->dev, "%s: Received status message,"
490 " %04x bytes", __func__, len);
491
492 err = parse_hip(buf, len, &hh);
493 if (err) {
494 netdev_err(dev->net, "%s: Bad packet,"
495 " parse result %d\n", __func__, err);
496 kfree(buf);
497 return;
498 }
499
500 /* Validate packet length */
501 if (len != hh.hdrlen + hh.payload_len.word) {
502 netdev_err(dev->net, "%s: Bad packet, received"
503 " %d, expected %d\n", __func__, len,
504 hh.hdrlen + hh.payload_len.word);
505 kfree(buf);
506 return;
507 }
508
509 /* Switch on received message types */
510 switch (hh.msgid.byte) {
511 case SIERRA_NET_HIP_LSI_UMTSID:
512 dev_dbg(&dev->udev->dev, "LSI for ctx:%d",
513 hh.msgspecific.byte);
514 sierra_net_handle_lsi(dev, buf, &hh);
515 break;
516 case SIERRA_NET_HIP_RESTART_ID:
517 dev_dbg(&dev->udev->dev, "Restart reported: %d,"
518 " stopping sync timer",
519 hh.msgspecific.byte);
520 /* Got sync resp - stop timer & clear mask */
521 del_timer_sync(&priv->sync_timer);
522 clear_bit(SIERRA_NET_TIMER_EXPIRY,
523 &priv->kevent_flags);
524 break;
525 case SIERRA_NET_HIP_HSYNC_ID:
526 dev_dbg(&dev->udev->dev, "SYNC received");
527 err = sierra_net_send_sync(dev);
528 if (err < 0)
529 netdev_err(dev->net,
530 "Send SYNC failed %d\n", err);
531 break;
532 case SIERRA_NET_HIP_EXTENDEDID:
533 netdev_err(dev->net, "Unrecognized HIP msg, "
534 "extmsgid 0x%04x\n", hh.extmsgid.word);
535 break;
536 case SIERRA_NET_HIP_RCGI:
537 /* Ignored */
538 break;
539 default:
540 netdev_err(dev->net, "Unrecognized HIP msg, "
541 "msgid 0x%02x\n", hh.msgid.byte);
542 break;
543 }
544 }
545 kfree(buf);
546 }
547 /* The sync timer bit might be set */
548 if (test_bit(SIERRA_NET_TIMER_EXPIRY, &priv->kevent_flags)) {
549 clear_bit(SIERRA_NET_TIMER_EXPIRY, &priv->kevent_flags);
550 dev_dbg(&dev->udev->dev, "Deferred sync timer expiry");
551 sierra_net_dosync(priv->usbnet);
552 }
553
554 if (priv->kevent_flags)
555 dev_dbg(&dev->udev->dev, "sierra_net_kevent done, "
556 "kevent_flags = 0x%lx", priv->kevent_flags);
557}
558
559static void sierra_net_defer_kevent(struct usbnet *dev, int work)
560{
561 struct sierra_net_data *priv = sierra_net_get_private(dev);
562
563 set_bit(work, &priv->kevent_flags);
564 schedule_work(&priv->sierra_net_kevent);
565}
566
567/*
568 * Sync Retransmit Timer Handler. On expiry, kick the work queue
569 */
570void sierra_sync_timer(unsigned long syncdata)
571{
572 struct usbnet *dev = (struct usbnet *)syncdata;
573
574 dev_dbg(&dev->udev->dev, "%s", __func__);
575 /* Kick the tasklet */
576 sierra_net_defer_kevent(dev, SIERRA_NET_TIMER_EXPIRY);
577}
578
579static void sierra_net_status(struct usbnet *dev, struct urb *urb)
580{
581 struct usb_cdc_notification *event;
582
583 dev_dbg(&dev->udev->dev, "%s", __func__);
584
585 if (urb->actual_length < sizeof *event)
586 return;
587
588 /* Add cases to handle other standard notifications. */
589 event = urb->transfer_buffer;
590 switch (event->bNotificationType) {
591 case USB_CDC_NOTIFY_NETWORK_CONNECTION:
592 case USB_CDC_NOTIFY_SPEED_CHANGE:
593 /* USB 305 sends those */
594 break;
595 case USB_CDC_NOTIFY_RESPONSE_AVAILABLE:
596 sierra_net_defer_kevent(dev, SIERRA_NET_EVENT_RESP_AVAIL);
597 break;
598 default:
599 netdev_err(dev->net, ": unexpected notification %02x!\n",
600 event->bNotificationType);
601 break;
602 }
603}
604
605static void sierra_net_get_drvinfo(struct net_device *net,
606 struct ethtool_drvinfo *info)
607{
608 /* Inherit standard device info */
609 usbnet_get_drvinfo(net, info);
610 strncpy(info->driver, driver_name, sizeof info->driver);
611 strncpy(info->version, DRIVER_VERSION, sizeof info->version);
612}
613
614static u32 sierra_net_get_link(struct net_device *net)
615{
616 struct usbnet *dev = netdev_priv(net);
617 /* Report link is down whenever the interface is down */
618 return sierra_net_get_private(dev)->link_up && netif_running(net);
619}
620
621static struct ethtool_ops sierra_net_ethtool_ops = {
622 .get_drvinfo = sierra_net_get_drvinfo,
623 .get_link = sierra_net_get_link,
624 .get_msglevel = usbnet_get_msglevel,
625 .set_msglevel = usbnet_set_msglevel,
626 .get_settings = usbnet_get_settings,
627 .set_settings = usbnet_set_settings,
628 .nway_reset = usbnet_nway_reset,
629};
630
631/* MTU can not be more than 1500 bytes, enforce it. */
632static int sierra_net_change_mtu(struct net_device *net, int new_mtu)
633{
634 if (new_mtu > SIERRA_NET_MAX_SUPPORTED_MTU)
635 return -EINVAL;
636
637 return usbnet_change_mtu(net, new_mtu);
638}
639
640static int is_whitelisted(const u8 ifnum,
641 const struct sierra_net_iface_info *whitelist)
642{
643 if (whitelist) {
644 const u8 *list = whitelist->ifaceinfo;
645 int i;
646
647 for (i = 0; i < whitelist->infolen; i++) {
648 if (list[i] == ifnum)
649 return 1;
650 }
651 }
652 return 0;
653}
654
655static int sierra_net_get_fw_attr(struct usbnet *dev, u16 *datap)
656{
657 int result = 0;
658 u16 *attrdata;
659
660 attrdata = kmalloc(sizeof(*attrdata), GFP_KERNEL);
661 if (!attrdata)
662 return -ENOMEM;
663
664 result = usb_control_msg(
665 dev->udev,
666 usb_rcvctrlpipe(dev->udev, 0),
667 /* _u8 vendor specific request */
668 SWI_USB_REQUEST_GET_FW_ATTR,
669 USB_DIR_IN | USB_TYPE_VENDOR, /* __u8 request type */
670 0x0000, /* __u16 value not used */
671 0x0000, /* __u16 index not used */
672 attrdata, /* char *data */
673 sizeof(*attrdata), /* __u16 size */
674 USB_CTRL_SET_TIMEOUT); /* int timeout */
675
676 if (result < 0) {
677 kfree(attrdata);
678 return -EIO;
679 }
680
681 *datap = *attrdata;
682
683 kfree(attrdata);
684 return result;
685}
686
687/*
688 * collects the bulk endpoints, the status endpoint.
689 */
690static int sierra_net_bind(struct usbnet *dev, struct usb_interface *intf)
691{
692 u8 ifacenum;
693 u8 numendpoints;
694 u16 fwattr = 0;
695 int status;
696 struct ethhdr *eth;
697 struct sierra_net_data *priv;
698 static const u8 sync_tmplate[sizeof(priv->sync_msg)] = {
699 0x00, 0x00, SIERRA_NET_HIP_MSYNC_ID, 0x00};
700 static const u8 shdwn_tmplate[sizeof(priv->shdwn_msg)] = {
701 0x00, 0x00, SIERRA_NET_HIP_SHUTD_ID, 0x00};
702
703 struct sierra_net_info_data *data =
704 (struct sierra_net_info_data *)dev->driver_info->data;
705
706 dev_dbg(&dev->udev->dev, "%s", __func__);
707
708 ifacenum = intf->cur_altsetting->desc.bInterfaceNumber;
709 /* We only accept certain interfaces */
710 if (!is_whitelisted(ifacenum, &data->whitelist)) {
711 dev_dbg(&dev->udev->dev, "Ignoring interface: %d", ifacenum);
712 return -ENODEV;
713 }
714 numendpoints = intf->cur_altsetting->desc.bNumEndpoints;
715 /* We have three endpoints, bulk in and out, and a status */
716 if (numendpoints != 3) {
717 dev_err(&dev->udev->dev, "Expected 3 endpoints, found: %d",
718 numendpoints);
719 return -ENODEV;
720 }
721 /* Status endpoint set in usbnet_get_endpoints() */
722 dev->status = NULL;
723 status = usbnet_get_endpoints(dev, intf);
724 if (status < 0) {
725 dev_err(&dev->udev->dev, "Error in usbnet_get_endpoints (%d)",
726 status);
727 return -ENODEV;
728 }
729 /* Initialize sierra private data */
730 priv = kzalloc(sizeof *priv, GFP_KERNEL);
731 if (!priv) {
732 dev_err(&dev->udev->dev, "No memory");
733 return -ENOMEM;
734 }
735
736 priv->usbnet = dev;
737 priv->ifnum = ifacenum;
738 dev->net->netdev_ops = &sierra_net_device_ops;
739
740 /* change MAC addr to include, ifacenum, and to be unique */
741 dev->net->dev_addr[ETH_ALEN-2] = atomic_inc_return(&iface_counter);
742 dev->net->dev_addr[ETH_ALEN-1] = ifacenum;
743
744 /* we will have to manufacture ethernet headers, prepare template */
745 eth = (struct ethhdr *)priv->ethr_hdr_tmpl;
746 memcpy(&eth->h_dest, dev->net->dev_addr, ETH_ALEN);
747 eth->h_proto = cpu_to_be16(ETH_P_IP);
748
749 /* prepare shutdown message template */
750 memcpy(priv->shdwn_msg, shdwn_tmplate, sizeof(priv->shdwn_msg));
751 /* set context index initially to 0 - prepares tx hdr template */
752 sierra_net_set_ctx_index(priv, 0);
753
754 /* decrease the rx_urb_size and max_tx_size to 4k on USB 1.1 */
755 dev->rx_urb_size = data->rx_urb_size;
756 if (dev->udev->speed != USB_SPEED_HIGH)
757 dev->rx_urb_size = min_t(size_t, 4096, data->rx_urb_size);
758
759 dev->net->hard_header_len += SIERRA_NET_HIP_EXT_HDR_LEN;
760 dev->hard_mtu = dev->net->mtu + dev->net->hard_header_len;
761
762 /* Set up the netdev */
763 dev->net->flags |= IFF_NOARP;
764 dev->net->ethtool_ops = &sierra_net_ethtool_ops;
765 netif_carrier_off(dev->net);
766
767 sierra_net_set_private(dev, priv);
768
769 priv->kevent_flags = 0;
770
771 /* Use the shared workqueue */
772 INIT_WORK(&priv->sierra_net_kevent, sierra_net_kevent);
773
774 /* Only need to do this once */
775 init_timer(&priv->sync_timer);
776
777 /* verify fw attributes */
778 status = sierra_net_get_fw_attr(dev, &fwattr);
779 dev_dbg(&dev->udev->dev, "Fw attr: %x\n", fwattr);
780
781 /* test whether firmware supports DHCP */
782 if (!(status == sizeof(fwattr) && (fwattr & SWI_GET_FW_ATTR_MASK))) {
783 /* found incompatible firmware version */
784 dev_err(&dev->udev->dev, "Incompatible driver and firmware"
785 " versions\n");
786 kfree(priv);
787 return -ENODEV;
788 }
789 /* prepare sync message from template */
790 memcpy(priv->sync_msg, sync_tmplate, sizeof(priv->sync_msg));
791
792 /* initiate the sync sequence */
793 sierra_net_dosync(dev);
794
795 return 0;
796}
797
798static void sierra_net_unbind(struct usbnet *dev, struct usb_interface *intf)
799{
800 int status;
801 struct sierra_net_data *priv = sierra_net_get_private(dev);
802
803 dev_dbg(&dev->udev->dev, "%s", __func__);
804
805 /* Kill the timer then flush the work queue */
806 del_timer_sync(&priv->sync_timer);
807
808 flush_scheduled_work();
809
810 /* tell modem we are going away */
811 status = sierra_net_send_cmd(dev, priv->shdwn_msg,
812 sizeof(priv->shdwn_msg), "Shutdown");
813 if (status < 0)
814 netdev_err(dev->net,
815 "usb_control_msg failed, status %d\n", status);
816
817 sierra_net_set_private(dev, NULL);
818
819 kfree(priv);
820}
821
822static struct sk_buff *sierra_net_skb_clone(struct usbnet *dev,
823 struct sk_buff *skb, int len)
824{
825 struct sk_buff *new_skb;
826
827 /* clone skb */
828 new_skb = skb_clone(skb, GFP_ATOMIC);
829
830 /* remove len bytes from original */
831 skb_pull(skb, len);
832
833 /* trim next packet to it's length */
834 if (new_skb) {
835 skb_trim(new_skb, len);
836 } else {
837 if (netif_msg_rx_err(dev))
838 netdev_err(dev->net, "failed to get skb\n");
839 dev->net->stats.rx_dropped++;
840 }
841
842 return new_skb;
843}
844
845/* ---------------------------- Receive data path ----------------------*/
846static int sierra_net_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
847{
848 int err;
849 struct hip_hdr hh;
850 struct sk_buff *new_skb;
851
852 dev_dbg(&dev->udev->dev, "%s", __func__);
853
854 /* could contain multiple packets */
855 while (likely(skb->len)) {
856 err = parse_hip(skb->data, skb->len, &hh);
857 if (err) {
858 if (netif_msg_rx_err(dev))
859 netdev_err(dev->net, "Invalid HIP header %d\n",
860 err);
861 /* dev->net->stats.rx_errors incremented by caller */
862 dev->net->stats.rx_length_errors++;
863 return 0;
864 }
865
866 /* Validate Extended HIP header */
867 if (!hh.extmsgid.is_present
868 || hh.extmsgid.word != SIERRA_NET_HIP_EXT_IP_IN_ID) {
869 if (netif_msg_rx_err(dev))
870 netdev_err(dev->net, "HIP/ETH: Invalid pkt\n");
871
872 dev->net->stats.rx_frame_errors++;
873 /* dev->net->stats.rx_errors incremented by caller */;
874 return 0;
875 }
876
877 skb_pull(skb, hh.hdrlen);
878
879 /* We are going to accept this packet, prepare it */
880 memcpy(skb->data, sierra_net_get_private(dev)->ethr_hdr_tmpl,
881 ETH_HLEN);
882
883 /* Last packet in batch handled by usbnet */
884 if (hh.payload_len.word == skb->len)
885 return 1;
886
887 new_skb = sierra_net_skb_clone(dev, skb, hh.payload_len.word);
888 if (new_skb)
889 usbnet_skb_return(dev, new_skb);
890
891 } /* while */
892
893 return 0;
894}
895
896/* ---------------------------- Transmit data path ----------------------*/
897struct sk_buff *sierra_net_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
898 gfp_t flags)
899{
900 struct sierra_net_data *priv = sierra_net_get_private(dev);
901 u16 len;
902 bool need_tail;
903
904 dev_dbg(&dev->udev->dev, "%s", __func__);
905 if (priv->link_up && check_ethip_packet(skb, dev) && is_ip(skb)) {
906 /* enough head room as is? */
907 if (SIERRA_NET_HIP_EXT_HDR_LEN <= skb_headroom(skb)) {
908 /* Save the Eth/IP length and set up HIP hdr */
909 len = skb->len;
910 skb_push(skb, SIERRA_NET_HIP_EXT_HDR_LEN);
911 /* Handle ZLP issue */
912 need_tail = ((len + SIERRA_NET_HIP_EXT_HDR_LEN)
913 % dev->maxpacket == 0);
914 if (need_tail) {
915 if (unlikely(skb_tailroom(skb) == 0)) {
916 netdev_err(dev->net, "tx_fixup:"
917 "no room for packet\n");
918 dev_kfree_skb_any(skb);
919 return NULL;
920 } else {
921 skb->data[skb->len] = 0;
922 __skb_put(skb, 1);
923 len = len + 1;
924 }
925 }
926 build_hip(skb->data, len, priv);
927 return skb;
928 } else {
929 /*
930 * compensate in the future if necessary
931 */
932 netdev_err(dev->net, "tx_fixup: no room for HIP\n");
933 } /* headroom */
934 }
935
936 if (!priv->link_up)
937 dev->net->stats.tx_carrier_errors++;
938
939 /* tx_dropped incremented by usbnet */
940
941 /* filter the packet out, release it */
942 dev_kfree_skb_any(skb);
943 return NULL;
944}
945
946static const u8 sierra_net_ifnum_list[] = { 7, 10, 11 };
947static const struct sierra_net_info_data sierra_net_info_data_68A3 = {
948 .rx_urb_size = 8 * 1024,
949 .whitelist = {
950 .infolen = ARRAY_SIZE(sierra_net_ifnum_list),
951 .ifaceinfo = sierra_net_ifnum_list
952 }
953};
954
955static const struct driver_info sierra_net_info_68A3 = {
956 .description = "Sierra Wireless USB-to-WWAN Modem",
957 .flags = FLAG_WWAN | FLAG_SEND_ZLP,
958 .bind = sierra_net_bind,
959 .unbind = sierra_net_unbind,
960 .status = sierra_net_status,
961 .rx_fixup = sierra_net_rx_fixup,
962 .tx_fixup = sierra_net_tx_fixup,
963 .data = (unsigned long)&sierra_net_info_data_68A3,
964};
965
966static const struct usb_device_id products[] = {
967 {USB_DEVICE(0x1199, 0x68A3), /* Sierra Wireless USB-to-WWAN modem */
968 .driver_info = (unsigned long) &sierra_net_info_68A3},
969
970 {}, /* last item */
971};
972MODULE_DEVICE_TABLE(usb, products);
973
974/* We are based on usbnet, so let it handle the USB driver specifics */
975static struct usb_driver sierra_net_driver = {
976 .name = "sierra_net",
977 .id_table = products,
978 .probe = usbnet_probe,
979 .disconnect = usbnet_disconnect,
980 .suspend = usbnet_suspend,
981 .resume = usbnet_resume,
982 .no_dynamic_id = 1,
983};
984
985static int __init sierra_net_init(void)
986{
987 BUILD_BUG_ON(FIELD_SIZEOF(struct usbnet, data)
988 < sizeof(struct cdc_state));
989
990 return usb_register(&sierra_net_driver);
991}
992
993static void __exit sierra_net_exit(void)
994{
995 usb_deregister(&sierra_net_driver);
996}
997
998module_exit(sierra_net_exit);
999module_init(sierra_net_init);
1000
1001MODULE_AUTHOR(DRIVER_AUTHOR);
1002MODULE_DESCRIPTION(DRIVER_DESC);
1003MODULE_VERSION(DRIVER_VERSION);
1004MODULE_LICENSE("GPL");
diff --git a/drivers/net/wireless/p54/p54pci.c b/drivers/net/wireless/p54/p54pci.c
index 679da7e7522e..ca42ccb23d76 100644
--- a/drivers/net/wireless/p54/p54pci.c
+++ b/drivers/net/wireless/p54/p54pci.c
@@ -246,7 +246,7 @@ static void p54p_check_tx_ring(struct ieee80211_hw *dev, u32 *index,
246 u32 idx, i; 246 u32 idx, i;
247 247
248 i = (*index) % ring_limit; 248 i = (*index) % ring_limit;
249 (*index) = idx = le32_to_cpu(ring_control->device_idx[1]); 249 (*index) = idx = le32_to_cpu(ring_control->device_idx[ring_index]);
250 idx %= ring_limit; 250 idx %= ring_limit;
251 251
252 while (i != idx) { 252 while (i != idx) {
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-18 01:29:39 -0500