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-rw-r--r--drivers/net/e1000/e1000_main.c1147
1 files changed, 891 insertions, 256 deletions
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index 82549a6fcfb3..325495b8b60c 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -1,7 +1,7 @@
1/******************************************************************************* 1/*******************************************************************************
2 2
3 3
4 Copyright(c) 1999 - 2004 Intel Corporation. All rights reserved. 4 Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
5 5
6 This program is free software; you can redistribute it and/or modify it 6 This program is free software; you can redistribute it and/or modify it
7 under the terms of the GNU General Public License as published by the Free 7 under the terms of the GNU General Public License as published by the Free
@@ -29,33 +29,9 @@
29#include "e1000.h" 29#include "e1000.h"
30 30
31/* Change Log 31/* Change Log
32 * 5.3.12 6/7/04 32 * 6.0.44+ 2/15/05
33 * - kcompat NETIF_MSG for older kernels (2.4.9) <sean.p.mcdermott@intel.com> 33 * o applied Anton's patch to resolve tx hang in hardware
34 * - if_mii support and associated kcompat for older kernels 34 * o Applied Andrew Mortons patch - e1000 stops working after resume
35 * - More errlogging support from Jon Mason <jonmason@us.ibm.com>
36 * - Fix TSO issues on PPC64 machines -- Jon Mason <jonmason@us.ibm.com>
37 *
38 * 5.7.1 12/16/04
39 * - Resurrect 82547EI/GI related fix in e1000_intr to avoid deadlocks. This
40 * fix was removed as it caused system instability. The suspected cause of
41 * this is the called to e1000_irq_disable in e1000_intr. Inlined the
42 * required piece of e1000_irq_disable into e1000_intr - Anton Blanchard
43 * 5.7.0 12/10/04
44 * - include fix to the condition that determines when to quit NAPI - Robert Olsson
45 * - use netif_poll_{disable/enable} to synchronize between NAPI and i/f up/down
46 * 5.6.5 11/01/04
47 * - Enabling NETIF_F_SG without checksum offload is illegal -
48 John Mason <jdmason@us.ibm.com>
49 * 5.6.3 10/26/04
50 * - Remove redundant initialization - Jamal Hadi
51 * - Reset buffer_info->dma in tx resource cleanup logic
52 * 5.6.2 10/12/04
53 * - Avoid filling tx_ring completely - shemminger@osdl.org
54 * - Replace schedule_timeout() with msleep()/msleep_interruptible() -
55 * nacc@us.ibm.com
56 * - Sparse cleanup - shemminger@osdl.org
57 * - Fix tx resource cleanup logic
58 * - LLTX support - ak@suse.de and hadi@cyberus.ca
59 */ 35 */
60 36
61char e1000_driver_name[] = "e1000"; 37char e1000_driver_name[] = "e1000";
@@ -65,7 +41,7 @@ char e1000_driver_string[] = "Intel(R) PRO/1000 Network Driver";
65#else 41#else
66#define DRIVERNAPI "-NAPI" 42#define DRIVERNAPI "-NAPI"
67#endif 43#endif
68#define DRV_VERSION "5.7.6-k2"DRIVERNAPI 44#define DRV_VERSION "6.0.54-k2"DRIVERNAPI
69char e1000_driver_version[] = DRV_VERSION; 45char e1000_driver_version[] = DRV_VERSION;
70char e1000_copyright[] = "Copyright (c) 1999-2004 Intel Corporation."; 46char e1000_copyright[] = "Copyright (c) 1999-2004 Intel Corporation.";
71 47
@@ -96,6 +72,7 @@ static struct pci_device_id e1000_pci_tbl[] = {
96 INTEL_E1000_ETHERNET_DEVICE(0x1017), 72 INTEL_E1000_ETHERNET_DEVICE(0x1017),
97 INTEL_E1000_ETHERNET_DEVICE(0x1018), 73 INTEL_E1000_ETHERNET_DEVICE(0x1018),
98 INTEL_E1000_ETHERNET_DEVICE(0x1019), 74 INTEL_E1000_ETHERNET_DEVICE(0x1019),
75 INTEL_E1000_ETHERNET_DEVICE(0x101A),
99 INTEL_E1000_ETHERNET_DEVICE(0x101D), 76 INTEL_E1000_ETHERNET_DEVICE(0x101D),
100 INTEL_E1000_ETHERNET_DEVICE(0x101E), 77 INTEL_E1000_ETHERNET_DEVICE(0x101E),
101 INTEL_E1000_ETHERNET_DEVICE(0x1026), 78 INTEL_E1000_ETHERNET_DEVICE(0x1026),
@@ -110,6 +87,9 @@ static struct pci_device_id e1000_pci_tbl[] = {
110 INTEL_E1000_ETHERNET_DEVICE(0x107B), 87 INTEL_E1000_ETHERNET_DEVICE(0x107B),
111 INTEL_E1000_ETHERNET_DEVICE(0x107C), 88 INTEL_E1000_ETHERNET_DEVICE(0x107C),
112 INTEL_E1000_ETHERNET_DEVICE(0x108A), 89 INTEL_E1000_ETHERNET_DEVICE(0x108A),
90 INTEL_E1000_ETHERNET_DEVICE(0x108B),
91 INTEL_E1000_ETHERNET_DEVICE(0x108C),
92 INTEL_E1000_ETHERNET_DEVICE(0x1099),
113 /* required last entry */ 93 /* required last entry */
114 {0,} 94 {0,}
115}; 95};
@@ -155,10 +135,14 @@ static boolean_t e1000_clean_tx_irq(struct e1000_adapter *adapter);
155static int e1000_clean(struct net_device *netdev, int *budget); 135static int e1000_clean(struct net_device *netdev, int *budget);
156static boolean_t e1000_clean_rx_irq(struct e1000_adapter *adapter, 136static boolean_t e1000_clean_rx_irq(struct e1000_adapter *adapter,
157 int *work_done, int work_to_do); 137 int *work_done, int work_to_do);
138static boolean_t e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,
139 int *work_done, int work_to_do);
158#else 140#else
159static boolean_t e1000_clean_rx_irq(struct e1000_adapter *adapter); 141static boolean_t e1000_clean_rx_irq(struct e1000_adapter *adapter);
142static boolean_t e1000_clean_rx_irq_ps(struct e1000_adapter *adapter);
160#endif 143#endif
161static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter); 144static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter);
145static void e1000_alloc_rx_buffers_ps(struct e1000_adapter *adapter);
162static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd); 146static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd);
163static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, 147static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr,
164 int cmd); 148 int cmd);
@@ -286,7 +270,29 @@ e1000_irq_enable(struct e1000_adapter *adapter)
286 E1000_WRITE_FLUSH(&adapter->hw); 270 E1000_WRITE_FLUSH(&adapter->hw);
287 } 271 }
288} 272}
289 273void
274e1000_update_mng_vlan(struct e1000_adapter *adapter)
275{
276 struct net_device *netdev = adapter->netdev;
277 uint16_t vid = adapter->hw.mng_cookie.vlan_id;
278 uint16_t old_vid = adapter->mng_vlan_id;
279 if(adapter->vlgrp) {
280 if(!adapter->vlgrp->vlan_devices[vid]) {
281 if(adapter->hw.mng_cookie.status &
282 E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) {
283 e1000_vlan_rx_add_vid(netdev, vid);
284 adapter->mng_vlan_id = vid;
285 } else
286 adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
287
288 if((old_vid != (uint16_t)E1000_MNG_VLAN_NONE) &&
289 (vid != old_vid) &&
290 !adapter->vlgrp->vlan_devices[old_vid])
291 e1000_vlan_rx_kill_vid(netdev, old_vid);
292 }
293 }
294}
295
290int 296int
291e1000_up(struct e1000_adapter *adapter) 297e1000_up(struct e1000_adapter *adapter)
292{ 298{
@@ -310,19 +316,33 @@ e1000_up(struct e1000_adapter *adapter)
310 e1000_configure_tx(adapter); 316 e1000_configure_tx(adapter);
311 e1000_setup_rctl(adapter); 317 e1000_setup_rctl(adapter);
312 e1000_configure_rx(adapter); 318 e1000_configure_rx(adapter);
313 e1000_alloc_rx_buffers(adapter); 319 adapter->alloc_rx_buf(adapter);
314 320
321#ifdef CONFIG_PCI_MSI
322 if(adapter->hw.mac_type > e1000_82547_rev_2) {
323 adapter->have_msi = TRUE;
324 if((err = pci_enable_msi(adapter->pdev))) {
325 DPRINTK(PROBE, ERR,
326 "Unable to allocate MSI interrupt Error: %d\n", err);
327 adapter->have_msi = FALSE;
328 }
329 }
330#endif
315 if((err = request_irq(adapter->pdev->irq, &e1000_intr, 331 if((err = request_irq(adapter->pdev->irq, &e1000_intr,
316 SA_SHIRQ | SA_SAMPLE_RANDOM, 332 SA_SHIRQ | SA_SAMPLE_RANDOM,
317 netdev->name, netdev))) 333 netdev->name, netdev))) {
334 DPRINTK(PROBE, ERR,
335 "Unable to allocate interrupt Error: %d\n", err);
318 return err; 336 return err;
337 }
319 338
320 mod_timer(&adapter->watchdog_timer, jiffies); 339 mod_timer(&adapter->watchdog_timer, jiffies);
321 e1000_irq_enable(adapter);
322 340
323#ifdef CONFIG_E1000_NAPI 341#ifdef CONFIG_E1000_NAPI
324 netif_poll_enable(netdev); 342 netif_poll_enable(netdev);
325#endif 343#endif
344 e1000_irq_enable(adapter);
345
326 return 0; 346 return 0;
327} 347}
328 348
@@ -333,6 +353,11 @@ e1000_down(struct e1000_adapter *adapter)
333 353
334 e1000_irq_disable(adapter); 354 e1000_irq_disable(adapter);
335 free_irq(adapter->pdev->irq, netdev); 355 free_irq(adapter->pdev->irq, netdev);
356#ifdef CONFIG_PCI_MSI
357 if(adapter->hw.mac_type > e1000_82547_rev_2 &&
358 adapter->have_msi == TRUE)
359 pci_disable_msi(adapter->pdev);
360#endif
336 del_timer_sync(&adapter->tx_fifo_stall_timer); 361 del_timer_sync(&adapter->tx_fifo_stall_timer);
337 del_timer_sync(&adapter->watchdog_timer); 362 del_timer_sync(&adapter->watchdog_timer);
338 del_timer_sync(&adapter->phy_info_timer); 363 del_timer_sync(&adapter->phy_info_timer);
@@ -350,62 +375,93 @@ e1000_down(struct e1000_adapter *adapter)
350 e1000_clean_rx_ring(adapter); 375 e1000_clean_rx_ring(adapter);
351 376
352 /* If WoL is not enabled 377 /* If WoL is not enabled
378 * and management mode is not IAMT
353 * Power down the PHY so no link is implied when interface is down */ 379 * Power down the PHY so no link is implied when interface is down */
354 if(!adapter->wol && adapter->hw.media_type == e1000_media_type_copper) { 380 if(!adapter->wol && adapter->hw.mac_type >= e1000_82540 &&
381 adapter->hw.media_type == e1000_media_type_copper &&
382 !e1000_check_mng_mode(&adapter->hw) &&
383 !(E1000_READ_REG(&adapter->hw, MANC) & E1000_MANC_SMBUS_EN)) {
355 uint16_t mii_reg; 384 uint16_t mii_reg;
356 e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &mii_reg); 385 e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &mii_reg);
357 mii_reg |= MII_CR_POWER_DOWN; 386 mii_reg |= MII_CR_POWER_DOWN;
358 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, mii_reg); 387 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, mii_reg);
388 mdelay(1);
359 } 389 }
360} 390}
361 391
362void 392void
363e1000_reset(struct e1000_adapter *adapter) 393e1000_reset(struct e1000_adapter *adapter)
364{ 394{
365 uint32_t pba; 395 struct net_device *netdev = adapter->netdev;
396 uint32_t pba, manc;
397 uint16_t fc_high_water_mark = E1000_FC_HIGH_DIFF;
398 uint16_t fc_low_water_mark = E1000_FC_LOW_DIFF;
366 399
367 /* Repartition Pba for greater than 9k mtu 400 /* Repartition Pba for greater than 9k mtu
368 * To take effect CTRL.RST is required. 401 * To take effect CTRL.RST is required.
369 */ 402 */
370 403
371 if(adapter->hw.mac_type < e1000_82547) { 404 switch (adapter->hw.mac_type) {
372 if(adapter->rx_buffer_len > E1000_RXBUFFER_8192) 405 case e1000_82547:
373 pba = E1000_PBA_40K; 406 case e1000_82547_rev_2:
374 else 407 pba = E1000_PBA_30K;
375 pba = E1000_PBA_48K; 408 break;
376 } else { 409 case e1000_82573:
377 if(adapter->rx_buffer_len > E1000_RXBUFFER_8192) 410 pba = E1000_PBA_12K;
378 pba = E1000_PBA_22K; 411 break;
379 else 412 default:
380 pba = E1000_PBA_30K; 413 pba = E1000_PBA_48K;
414 break;
415 }
416
417 if((adapter->hw.mac_type != e1000_82573) &&
418 (adapter->rx_buffer_len > E1000_RXBUFFER_8192)) {
419 pba -= 8; /* allocate more FIFO for Tx */
420 /* send an XOFF when there is enough space in the
421 * Rx FIFO to hold one extra full size Rx packet
422 */
423 fc_high_water_mark = netdev->mtu + ENET_HEADER_SIZE +
424 ETHERNET_FCS_SIZE + 1;
425 fc_low_water_mark = fc_high_water_mark + 8;
426 }
427
428
429 if(adapter->hw.mac_type == e1000_82547) {
381 adapter->tx_fifo_head = 0; 430 adapter->tx_fifo_head = 0;
382 adapter->tx_head_addr = pba << E1000_TX_HEAD_ADDR_SHIFT; 431 adapter->tx_head_addr = pba << E1000_TX_HEAD_ADDR_SHIFT;
383 adapter->tx_fifo_size = 432 adapter->tx_fifo_size =
384 (E1000_PBA_40K - pba) << E1000_PBA_BYTES_SHIFT; 433 (E1000_PBA_40K - pba) << E1000_PBA_BYTES_SHIFT;
385 atomic_set(&adapter->tx_fifo_stall, 0); 434 atomic_set(&adapter->tx_fifo_stall, 0);
386 } 435 }
436
387 E1000_WRITE_REG(&adapter->hw, PBA, pba); 437 E1000_WRITE_REG(&adapter->hw, PBA, pba);
388 438
389 /* flow control settings */ 439 /* flow control settings */
390 adapter->hw.fc_high_water = (pba << E1000_PBA_BYTES_SHIFT) - 440 adapter->hw.fc_high_water = (pba << E1000_PBA_BYTES_SHIFT) -
391 E1000_FC_HIGH_DIFF; 441 fc_high_water_mark;
392 adapter->hw.fc_low_water = (pba << E1000_PBA_BYTES_SHIFT) - 442 adapter->hw.fc_low_water = (pba << E1000_PBA_BYTES_SHIFT) -
393 E1000_FC_LOW_DIFF; 443 fc_low_water_mark;
394 adapter->hw.fc_pause_time = E1000_FC_PAUSE_TIME; 444 adapter->hw.fc_pause_time = E1000_FC_PAUSE_TIME;
395 adapter->hw.fc_send_xon = 1; 445 adapter->hw.fc_send_xon = 1;
396 adapter->hw.fc = adapter->hw.original_fc; 446 adapter->hw.fc = adapter->hw.original_fc;
397 447
448 /* Allow time for pending master requests to run */
398 e1000_reset_hw(&adapter->hw); 449 e1000_reset_hw(&adapter->hw);
399 if(adapter->hw.mac_type >= e1000_82544) 450 if(adapter->hw.mac_type >= e1000_82544)
400 E1000_WRITE_REG(&adapter->hw, WUC, 0); 451 E1000_WRITE_REG(&adapter->hw, WUC, 0);
401 if(e1000_init_hw(&adapter->hw)) 452 if(e1000_init_hw(&adapter->hw))
402 DPRINTK(PROBE, ERR, "Hardware Error\n"); 453 DPRINTK(PROBE, ERR, "Hardware Error\n");
403 454 e1000_update_mng_vlan(adapter);
404 /* Enable h/w to recognize an 802.1Q VLAN Ethernet packet */ 455 /* Enable h/w to recognize an 802.1Q VLAN Ethernet packet */
405 E1000_WRITE_REG(&adapter->hw, VET, ETHERNET_IEEE_VLAN_TYPE); 456 E1000_WRITE_REG(&adapter->hw, VET, ETHERNET_IEEE_VLAN_TYPE);
406 457
407 e1000_reset_adaptive(&adapter->hw); 458 e1000_reset_adaptive(&adapter->hw);
408 e1000_phy_get_info(&adapter->hw, &adapter->phy_info); 459 e1000_phy_get_info(&adapter->hw, &adapter->phy_info);
460 if (adapter->en_mng_pt) {
461 manc = E1000_READ_REG(&adapter->hw, MANC);
462 manc |= (E1000_MANC_ARP_EN | E1000_MANC_EN_MNG2HOST);
463 E1000_WRITE_REG(&adapter->hw, MANC, manc);
464 }
409} 465}
410 466
411/** 467/**
@@ -426,15 +482,13 @@ e1000_probe(struct pci_dev *pdev,
426{ 482{
427 struct net_device *netdev; 483 struct net_device *netdev;
428 struct e1000_adapter *adapter; 484 struct e1000_adapter *adapter;
485 unsigned long mmio_start, mmio_len;
486 uint32_t swsm;
487
429 static int cards_found = 0; 488 static int cards_found = 0;
430 unsigned long mmio_start; 489 int i, err, pci_using_dac;
431 int mmio_len;
432 int pci_using_dac;
433 int i;
434 int err;
435 uint16_t eeprom_data; 490 uint16_t eeprom_data;
436 uint16_t eeprom_apme_mask = E1000_EEPROM_APME; 491 uint16_t eeprom_apme_mask = E1000_EEPROM_APME;
437
438 if((err = pci_enable_device(pdev))) 492 if((err = pci_enable_device(pdev)))
439 return err; 493 return err;
440 494
@@ -521,6 +575,9 @@ e1000_probe(struct pci_dev *pdev,
521 if((err = e1000_sw_init(adapter))) 575 if((err = e1000_sw_init(adapter)))
522 goto err_sw_init; 576 goto err_sw_init;
523 577
578 if((err = e1000_check_phy_reset_block(&adapter->hw)))
579 DPRINTK(PROBE, INFO, "PHY reset is blocked due to SOL/IDER session.\n");
580
524 if(adapter->hw.mac_type >= e1000_82543) { 581 if(adapter->hw.mac_type >= e1000_82543) {
525 netdev->features = NETIF_F_SG | 582 netdev->features = NETIF_F_SG |
526 NETIF_F_HW_CSUM | 583 NETIF_F_HW_CSUM |
@@ -533,6 +590,11 @@ e1000_probe(struct pci_dev *pdev,
533 if((adapter->hw.mac_type >= e1000_82544) && 590 if((adapter->hw.mac_type >= e1000_82544) &&
534 (adapter->hw.mac_type != e1000_82547)) 591 (adapter->hw.mac_type != e1000_82547))
535 netdev->features |= NETIF_F_TSO; 592 netdev->features |= NETIF_F_TSO;
593
594#ifdef NETIF_F_TSO_IPV6
595 if(adapter->hw.mac_type > e1000_82547_rev_2)
596 netdev->features |= NETIF_F_TSO_IPV6;
597#endif
536#endif 598#endif
537 if(pci_using_dac) 599 if(pci_using_dac)
538 netdev->features |= NETIF_F_HIGHDMA; 600 netdev->features |= NETIF_F_HIGHDMA;
@@ -540,6 +602,8 @@ e1000_probe(struct pci_dev *pdev,
540 /* hard_start_xmit is safe against parallel locking */ 602 /* hard_start_xmit is safe against parallel locking */
541 netdev->features |= NETIF_F_LLTX; 603 netdev->features |= NETIF_F_LLTX;
542 604
605 adapter->en_mng_pt = e1000_enable_mng_pass_thru(&adapter->hw);
606
543 /* before reading the EEPROM, reset the controller to 607 /* before reading the EEPROM, reset the controller to
544 * put the device in a known good starting state */ 608 * put the device in a known good starting state */
545 609
@@ -555,7 +619,7 @@ e1000_probe(struct pci_dev *pdev,
555 619
556 /* copy the MAC address out of the EEPROM */ 620 /* copy the MAC address out of the EEPROM */
557 621
558 if (e1000_read_mac_addr(&adapter->hw)) 622 if(e1000_read_mac_addr(&adapter->hw))
559 DPRINTK(PROBE, ERR, "EEPROM Read Error\n"); 623 DPRINTK(PROBE, ERR, "EEPROM Read Error\n");
560 memcpy(netdev->dev_addr, adapter->hw.mac_addr, netdev->addr_len); 624 memcpy(netdev->dev_addr, adapter->hw.mac_addr, netdev->addr_len);
561 625
@@ -629,6 +693,17 @@ e1000_probe(struct pci_dev *pdev,
629 /* reset the hardware with the new settings */ 693 /* reset the hardware with the new settings */
630 e1000_reset(adapter); 694 e1000_reset(adapter);
631 695
696 /* Let firmware know the driver has taken over */
697 switch(adapter->hw.mac_type) {
698 case e1000_82573:
699 swsm = E1000_READ_REG(&adapter->hw, SWSM);
700 E1000_WRITE_REG(&adapter->hw, SWSM,
701 swsm | E1000_SWSM_DRV_LOAD);
702 break;
703 default:
704 break;
705 }
706
632 strcpy(netdev->name, "eth%d"); 707 strcpy(netdev->name, "eth%d");
633 if((err = register_netdev(netdev))) 708 if((err = register_netdev(netdev)))
634 goto err_register; 709 goto err_register;
@@ -664,7 +739,7 @@ e1000_remove(struct pci_dev *pdev)
664{ 739{
665 struct net_device *netdev = pci_get_drvdata(pdev); 740 struct net_device *netdev = pci_get_drvdata(pdev);
666 struct e1000_adapter *adapter = netdev->priv; 741 struct e1000_adapter *adapter = netdev->priv;
667 uint32_t manc; 742 uint32_t manc, swsm;
668 743
669 flush_scheduled_work(); 744 flush_scheduled_work();
670 745
@@ -677,9 +752,21 @@ e1000_remove(struct pci_dev *pdev)
677 } 752 }
678 } 753 }
679 754
755 switch(adapter->hw.mac_type) {
756 case e1000_82573:
757 swsm = E1000_READ_REG(&adapter->hw, SWSM);
758 E1000_WRITE_REG(&adapter->hw, SWSM,
759 swsm & ~E1000_SWSM_DRV_LOAD);
760 break;
761
762 default:
763 break;
764 }
765
680 unregister_netdev(netdev); 766 unregister_netdev(netdev);
681 767
682 e1000_phy_hw_reset(&adapter->hw); 768 if(!e1000_check_phy_reset_block(&adapter->hw))
769 e1000_phy_hw_reset(&adapter->hw);
683 770
684 iounmap(adapter->hw.hw_addr); 771 iounmap(adapter->hw.hw_addr);
685 pci_release_regions(pdev); 772 pci_release_regions(pdev);
@@ -717,6 +804,7 @@ e1000_sw_init(struct e1000_adapter *adapter)
717 pci_read_config_word(pdev, PCI_COMMAND, &hw->pci_cmd_word); 804 pci_read_config_word(pdev, PCI_COMMAND, &hw->pci_cmd_word);
718 805
719 adapter->rx_buffer_len = E1000_RXBUFFER_2048; 806 adapter->rx_buffer_len = E1000_RXBUFFER_2048;
807 adapter->rx_ps_bsize0 = E1000_RXBUFFER_256;
720 hw->max_frame_size = netdev->mtu + 808 hw->max_frame_size = netdev->mtu +
721 ENET_HEADER_SIZE + ETHERNET_FCS_SIZE; 809 ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
722 hw->min_frame_size = MINIMUM_ETHERNET_FRAME_SIZE; 810 hw->min_frame_size = MINIMUM_ETHERNET_FRAME_SIZE;
@@ -730,7 +818,10 @@ e1000_sw_init(struct e1000_adapter *adapter)
730 818
731 /* initialize eeprom parameters */ 819 /* initialize eeprom parameters */
732 820
733 e1000_init_eeprom_params(hw); 821 if(e1000_init_eeprom_params(hw)) {
822 E1000_ERR("EEPROM initialization failed\n");
823 return -EIO;
824 }
734 825
735 switch(hw->mac_type) { 826 switch(hw->mac_type) {
736 default: 827 default:
@@ -795,6 +886,11 @@ e1000_open(struct net_device *netdev)
795 886
796 if((err = e1000_up(adapter))) 887 if((err = e1000_up(adapter)))
797 goto err_up; 888 goto err_up;
889 adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
890 if((adapter->hw.mng_cookie.status &
891 E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT)) {
892 e1000_update_mng_vlan(adapter);
893 }
798 894
799 return E1000_SUCCESS; 895 return E1000_SUCCESS;
800 896
@@ -830,14 +926,18 @@ e1000_close(struct net_device *netdev)
830 e1000_free_tx_resources(adapter); 926 e1000_free_tx_resources(adapter);
831 e1000_free_rx_resources(adapter); 927 e1000_free_rx_resources(adapter);
832 928
929 if((adapter->hw.mng_cookie.status &
930 E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT)) {
931 e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
932 }
833 return 0; 933 return 0;
834} 934}
835 935
836/** 936/**
837 * e1000_check_64k_bound - check that memory doesn't cross 64kB boundary 937 * e1000_check_64k_bound - check that memory doesn't cross 64kB boundary
838 * @adapter: address of board private structure 938 * @adapter: address of board private structure
839 * @begin: address of beginning of memory 939 * @start: address of beginning of memory
840 * @end: address of end of memory 940 * @len: length of memory
841 **/ 941 **/
842static inline boolean_t 942static inline boolean_t
843e1000_check_64k_bound(struct e1000_adapter *adapter, 943e1000_check_64k_bound(struct e1000_adapter *adapter,
@@ -846,12 +946,10 @@ e1000_check_64k_bound(struct e1000_adapter *adapter,
846 unsigned long begin = (unsigned long) start; 946 unsigned long begin = (unsigned long) start;
847 unsigned long end = begin + len; 947 unsigned long end = begin + len;
848 948
849 /* first rev 82545 and 82546 need to not allow any memory 949 /* First rev 82545 and 82546 need to not allow any memory
850 * write location to cross a 64k boundary due to errata 23 */ 950 * write location to cross 64k boundary due to errata 23 */
851 if (adapter->hw.mac_type == e1000_82545 || 951 if (adapter->hw.mac_type == e1000_82545 ||
852 adapter->hw.mac_type == e1000_82546 ) { 952 adapter->hw.mac_type == e1000_82546) {
853
854 /* check buffer doesn't cross 64kB */
855 return ((begin ^ (end - 1)) >> 16) != 0 ? FALSE : TRUE; 953 return ((begin ^ (end - 1)) >> 16) != 0 ? FALSE : TRUE;
856 } 954 }
857 955
@@ -875,8 +973,8 @@ e1000_setup_tx_resources(struct e1000_adapter *adapter)
875 size = sizeof(struct e1000_buffer) * txdr->count; 973 size = sizeof(struct e1000_buffer) * txdr->count;
876 txdr->buffer_info = vmalloc(size); 974 txdr->buffer_info = vmalloc(size);
877 if(!txdr->buffer_info) { 975 if(!txdr->buffer_info) {
878 DPRINTK(PROBE, ERR, 976 DPRINTK(PROBE, ERR,
879 "Unable to Allocate Memory for the Transmit descriptor ring\n"); 977 "Unable to allocate memory for the transmit descriptor ring\n");
880 return -ENOMEM; 978 return -ENOMEM;
881 } 979 }
882 memset(txdr->buffer_info, 0, size); 980 memset(txdr->buffer_info, 0, size);
@@ -889,38 +987,38 @@ e1000_setup_tx_resources(struct e1000_adapter *adapter)
889 txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma); 987 txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma);
890 if(!txdr->desc) { 988 if(!txdr->desc) {
891setup_tx_desc_die: 989setup_tx_desc_die:
892 DPRINTK(PROBE, ERR,
893 "Unable to Allocate Memory for the Transmit descriptor ring\n");
894 vfree(txdr->buffer_info); 990 vfree(txdr->buffer_info);
991 DPRINTK(PROBE, ERR,
992 "Unable to allocate memory for the transmit descriptor ring\n");
895 return -ENOMEM; 993 return -ENOMEM;
896 } 994 }
897 995
898 /* fix for errata 23, cant cross 64kB boundary */ 996 /* Fix for errata 23, can't cross 64kB boundary */
899 if (!e1000_check_64k_bound(adapter, txdr->desc, txdr->size)) { 997 if (!e1000_check_64k_bound(adapter, txdr->desc, txdr->size)) {
900 void *olddesc = txdr->desc; 998 void *olddesc = txdr->desc;
901 dma_addr_t olddma = txdr->dma; 999 dma_addr_t olddma = txdr->dma;
902 DPRINTK(TX_ERR,ERR,"txdr align check failed: %u bytes at %p\n", 1000 DPRINTK(TX_ERR, ERR, "txdr align check failed: %u bytes "
903 txdr->size, txdr->desc); 1001 "at %p\n", txdr->size, txdr->desc);
904 /* try again, without freeing the previous */ 1002 /* Try again, without freeing the previous */
905 txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma); 1003 txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma);
906 /* failed allocation, critial failure */
907 if(!txdr->desc) { 1004 if(!txdr->desc) {
1005 /* Failed allocation, critical failure */
908 pci_free_consistent(pdev, txdr->size, olddesc, olddma); 1006 pci_free_consistent(pdev, txdr->size, olddesc, olddma);
909 goto setup_tx_desc_die; 1007 goto setup_tx_desc_die;
910 } 1008 }
911 1009
912 if (!e1000_check_64k_bound(adapter, txdr->desc, txdr->size)) { 1010 if (!e1000_check_64k_bound(adapter, txdr->desc, txdr->size)) {
913 /* give up */ 1011 /* give up */
914 pci_free_consistent(pdev, txdr->size, 1012 pci_free_consistent(pdev, txdr->size, txdr->desc,
915 txdr->desc, txdr->dma); 1013 txdr->dma);
916 pci_free_consistent(pdev, txdr->size, olddesc, olddma); 1014 pci_free_consistent(pdev, txdr->size, olddesc, olddma);
917 DPRINTK(PROBE, ERR, 1015 DPRINTK(PROBE, ERR,
918 "Unable to Allocate aligned Memory for the Transmit" 1016 "Unable to allocate aligned memory "
919 " descriptor ring\n"); 1017 "for the transmit descriptor ring\n");
920 vfree(txdr->buffer_info); 1018 vfree(txdr->buffer_info);
921 return -ENOMEM; 1019 return -ENOMEM;
922 } else { 1020 } else {
923 /* free old, move on with the new one since its okay */ 1021 /* Free old allocation, new allocation was successful */
924 pci_free_consistent(pdev, txdr->size, olddesc, olddma); 1022 pci_free_consistent(pdev, txdr->size, olddesc, olddma);
925 } 1023 }
926 } 1024 }
@@ -1022,59 +1120,88 @@ e1000_setup_rx_resources(struct e1000_adapter *adapter)
1022{ 1120{
1023 struct e1000_desc_ring *rxdr = &adapter->rx_ring; 1121 struct e1000_desc_ring *rxdr = &adapter->rx_ring;
1024 struct pci_dev *pdev = adapter->pdev; 1122 struct pci_dev *pdev = adapter->pdev;
1025 int size; 1123 int size, desc_len;
1026 1124
1027 size = sizeof(struct e1000_buffer) * rxdr->count; 1125 size = sizeof(struct e1000_buffer) * rxdr->count;
1028 rxdr->buffer_info = vmalloc(size); 1126 rxdr->buffer_info = vmalloc(size);
1029 if(!rxdr->buffer_info) { 1127 if(!rxdr->buffer_info) {
1030 DPRINTK(PROBE, ERR, 1128 DPRINTK(PROBE, ERR,
1031 "Unable to Allocate Memory for the Recieve descriptor ring\n"); 1129 "Unable to allocate memory for the receive descriptor ring\n");
1032 return -ENOMEM; 1130 return -ENOMEM;
1033 } 1131 }
1034 memset(rxdr->buffer_info, 0, size); 1132 memset(rxdr->buffer_info, 0, size);
1035 1133
1134 size = sizeof(struct e1000_ps_page) * rxdr->count;
1135 rxdr->ps_page = kmalloc(size, GFP_KERNEL);
1136 if(!rxdr->ps_page) {
1137 vfree(rxdr->buffer_info);
1138 DPRINTK(PROBE, ERR,
1139 "Unable to allocate memory for the receive descriptor ring\n");
1140 return -ENOMEM;
1141 }
1142 memset(rxdr->ps_page, 0, size);
1143
1144 size = sizeof(struct e1000_ps_page_dma) * rxdr->count;
1145 rxdr->ps_page_dma = kmalloc(size, GFP_KERNEL);
1146 if(!rxdr->ps_page_dma) {
1147 vfree(rxdr->buffer_info);
1148 kfree(rxdr->ps_page);
1149 DPRINTK(PROBE, ERR,
1150 "Unable to allocate memory for the receive descriptor ring\n");
1151 return -ENOMEM;
1152 }
1153 memset(rxdr->ps_page_dma, 0, size);
1154
1155 if(adapter->hw.mac_type <= e1000_82547_rev_2)
1156 desc_len = sizeof(struct e1000_rx_desc);
1157 else
1158 desc_len = sizeof(union e1000_rx_desc_packet_split);
1159
1036 /* Round up to nearest 4K */ 1160 /* Round up to nearest 4K */
1037 1161
1038 rxdr->size = rxdr->count * sizeof(struct e1000_rx_desc); 1162 rxdr->size = rxdr->count * desc_len;
1039 E1000_ROUNDUP(rxdr->size, 4096); 1163 E1000_ROUNDUP(rxdr->size, 4096);
1040 1164
1041 rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma); 1165 rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma);
1042 1166
1043 if(!rxdr->desc) { 1167 if(!rxdr->desc) {
1044setup_rx_desc_die: 1168setup_rx_desc_die:
1045 DPRINTK(PROBE, ERR,
1046 "Unble to Allocate Memory for the Recieve descriptor ring\n");
1047 vfree(rxdr->buffer_info); 1169 vfree(rxdr->buffer_info);
1170 kfree(rxdr->ps_page);
1171 kfree(rxdr->ps_page_dma);
1172 DPRINTK(PROBE, ERR,
1173 "Unable to allocate memory for the receive descriptor ring\n");
1048 return -ENOMEM; 1174 return -ENOMEM;
1049 } 1175 }
1050 1176
1051 /* fix for errata 23, cant cross 64kB boundary */ 1177 /* Fix for errata 23, can't cross 64kB boundary */
1052 if (!e1000_check_64k_bound(adapter, rxdr->desc, rxdr->size)) { 1178 if (!e1000_check_64k_bound(adapter, rxdr->desc, rxdr->size)) {
1053 void *olddesc = rxdr->desc; 1179 void *olddesc = rxdr->desc;
1054 dma_addr_t olddma = rxdr->dma; 1180 dma_addr_t olddma = rxdr->dma;
1055 DPRINTK(RX_ERR,ERR, 1181 DPRINTK(RX_ERR, ERR, "rxdr align check failed: %u bytes "
1056 "rxdr align check failed: %u bytes at %p\n", 1182 "at %p\n", rxdr->size, rxdr->desc);
1057 rxdr->size, rxdr->desc); 1183 /* Try again, without freeing the previous */
1058 /* try again, without freeing the previous */
1059 rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma); 1184 rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma);
1060 /* failed allocation, critial failure */
1061 if(!rxdr->desc) { 1185 if(!rxdr->desc) {
1186 /* Failed allocation, critical failure */
1062 pci_free_consistent(pdev, rxdr->size, olddesc, olddma); 1187 pci_free_consistent(pdev, rxdr->size, olddesc, olddma);
1063 goto setup_rx_desc_die; 1188 goto setup_rx_desc_die;
1064 } 1189 }
1065 1190
1066 if (!e1000_check_64k_bound(adapter, rxdr->desc, rxdr->size)) { 1191 if (!e1000_check_64k_bound(adapter, rxdr->desc, rxdr->size)) {
1067 /* give up */ 1192 /* give up */
1068 pci_free_consistent(pdev, rxdr->size, 1193 pci_free_consistent(pdev, rxdr->size, rxdr->desc,
1069 rxdr->desc, rxdr->dma); 1194 rxdr->dma);
1070 pci_free_consistent(pdev, rxdr->size, olddesc, olddma); 1195 pci_free_consistent(pdev, rxdr->size, olddesc, olddma);
1071 DPRINTK(PROBE, ERR, 1196 DPRINTK(PROBE, ERR,
1072 "Unable to Allocate aligned Memory for the" 1197 "Unable to allocate aligned memory "
1073 " Receive descriptor ring\n"); 1198 "for the receive descriptor ring\n");
1074 vfree(rxdr->buffer_info); 1199 vfree(rxdr->buffer_info);
1200 kfree(rxdr->ps_page);
1201 kfree(rxdr->ps_page_dma);
1075 return -ENOMEM; 1202 return -ENOMEM;
1076 } else { 1203 } else {
1077 /* free old, move on with the new one since its okay */ 1204 /* Free old allocation, new allocation was successful */
1078 pci_free_consistent(pdev, rxdr->size, olddesc, olddma); 1205 pci_free_consistent(pdev, rxdr->size, olddesc, olddma);
1079 } 1206 }
1080 } 1207 }
@@ -1087,14 +1214,15 @@ setup_rx_desc_die:
1087} 1214}
1088 1215
1089/** 1216/**
1090 * e1000_setup_rctl - configure the receive control register 1217 * e1000_setup_rctl - configure the receive control registers
1091 * @adapter: Board private structure 1218 * @adapter: Board private structure
1092 **/ 1219 **/
1093 1220
1094static void 1221static void
1095e1000_setup_rctl(struct e1000_adapter *adapter) 1222e1000_setup_rctl(struct e1000_adapter *adapter)
1096{ 1223{
1097 uint32_t rctl; 1224 uint32_t rctl, rfctl;
1225 uint32_t psrctl = 0;
1098 1226
1099 rctl = E1000_READ_REG(&adapter->hw, RCTL); 1227 rctl = E1000_READ_REG(&adapter->hw, RCTL);
1100 1228
@@ -1109,24 +1237,69 @@ e1000_setup_rctl(struct e1000_adapter *adapter)
1109 else 1237 else
1110 rctl &= ~E1000_RCTL_SBP; 1238 rctl &= ~E1000_RCTL_SBP;
1111 1239
1240 if (adapter->netdev->mtu <= ETH_DATA_LEN)
1241 rctl &= ~E1000_RCTL_LPE;
1242 else
1243 rctl |= E1000_RCTL_LPE;
1244
1112 /* Setup buffer sizes */ 1245 /* Setup buffer sizes */
1113 rctl &= ~(E1000_RCTL_SZ_4096); 1246 if(adapter->hw.mac_type == e1000_82573) {
1114 rctl |= (E1000_RCTL_BSEX | E1000_RCTL_LPE); 1247 /* We can now specify buffers in 1K increments.
1115 switch (adapter->rx_buffer_len) { 1248 * BSIZE and BSEX are ignored in this case. */
1116 case E1000_RXBUFFER_2048: 1249 rctl |= adapter->rx_buffer_len << 0x11;
1117 default: 1250 } else {
1118 rctl |= E1000_RCTL_SZ_2048; 1251 rctl &= ~E1000_RCTL_SZ_4096;
1119 rctl &= ~(E1000_RCTL_BSEX | E1000_RCTL_LPE); 1252 rctl |= E1000_RCTL_BSEX;
1120 break; 1253 switch (adapter->rx_buffer_len) {
1121 case E1000_RXBUFFER_4096: 1254 case E1000_RXBUFFER_2048:
1122 rctl |= E1000_RCTL_SZ_4096; 1255 default:
1123 break; 1256 rctl |= E1000_RCTL_SZ_2048;
1124 case E1000_RXBUFFER_8192: 1257 rctl &= ~E1000_RCTL_BSEX;
1125 rctl |= E1000_RCTL_SZ_8192; 1258 break;
1126 break; 1259 case E1000_RXBUFFER_4096:
1127 case E1000_RXBUFFER_16384: 1260 rctl |= E1000_RCTL_SZ_4096;
1128 rctl |= E1000_RCTL_SZ_16384; 1261 break;
1129 break; 1262 case E1000_RXBUFFER_8192:
1263 rctl |= E1000_RCTL_SZ_8192;
1264 break;
1265 case E1000_RXBUFFER_16384:
1266 rctl |= E1000_RCTL_SZ_16384;
1267 break;
1268 }
1269 }
1270
1271#ifdef CONFIG_E1000_PACKET_SPLIT
1272 /* 82571 and greater support packet-split where the protocol
1273 * header is placed in skb->data and the packet data is
1274 * placed in pages hanging off of skb_shinfo(skb)->nr_frags.
1275 * In the case of a non-split, skb->data is linearly filled,
1276 * followed by the page buffers. Therefore, skb->data is
1277 * sized to hold the largest protocol header.
1278 */
1279 adapter->rx_ps = (adapter->hw.mac_type > e1000_82547_rev_2)
1280 && (adapter->netdev->mtu
1281 < ((3 * PAGE_SIZE) + adapter->rx_ps_bsize0));
1282#endif
1283 if(adapter->rx_ps) {
1284 /* Configure extra packet-split registers */
1285 rfctl = E1000_READ_REG(&adapter->hw, RFCTL);
1286 rfctl |= E1000_RFCTL_EXTEN;
1287 /* disable IPv6 packet split support */
1288 rfctl |= E1000_RFCTL_IPV6_DIS;
1289 E1000_WRITE_REG(&adapter->hw, RFCTL, rfctl);
1290
1291 rctl |= E1000_RCTL_DTYP_PS | E1000_RCTL_SECRC;
1292
1293 psrctl |= adapter->rx_ps_bsize0 >>
1294 E1000_PSRCTL_BSIZE0_SHIFT;
1295 psrctl |= PAGE_SIZE >>
1296 E1000_PSRCTL_BSIZE1_SHIFT;
1297 psrctl |= PAGE_SIZE <<
1298 E1000_PSRCTL_BSIZE2_SHIFT;
1299 psrctl |= PAGE_SIZE <<
1300 E1000_PSRCTL_BSIZE3_SHIFT;
1301
1302 E1000_WRITE_REG(&adapter->hw, PSRCTL, psrctl);
1130 } 1303 }
1131 1304
1132 E1000_WRITE_REG(&adapter->hw, RCTL, rctl); 1305 E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
@@ -1143,9 +1316,18 @@ static void
1143e1000_configure_rx(struct e1000_adapter *adapter) 1316e1000_configure_rx(struct e1000_adapter *adapter)
1144{ 1317{
1145 uint64_t rdba = adapter->rx_ring.dma; 1318 uint64_t rdba = adapter->rx_ring.dma;
1146 uint32_t rdlen = adapter->rx_ring.count * sizeof(struct e1000_rx_desc); 1319 uint32_t rdlen, rctl, rxcsum;
1147 uint32_t rctl; 1320
1148 uint32_t rxcsum; 1321 if(adapter->rx_ps) {
1322 rdlen = adapter->rx_ring.count *
1323 sizeof(union e1000_rx_desc_packet_split);
1324 adapter->clean_rx = e1000_clean_rx_irq_ps;
1325 adapter->alloc_rx_buf = e1000_alloc_rx_buffers_ps;
1326 } else {
1327 rdlen = adapter->rx_ring.count * sizeof(struct e1000_rx_desc);
1328 adapter->clean_rx = e1000_clean_rx_irq;
1329 adapter->alloc_rx_buf = e1000_alloc_rx_buffers;
1330 }
1149 1331
1150 /* disable receives while setting up the descriptors */ 1332 /* disable receives while setting up the descriptors */
1151 rctl = E1000_READ_REG(&adapter->hw, RCTL); 1333 rctl = E1000_READ_REG(&adapter->hw, RCTL);
@@ -1172,13 +1354,27 @@ e1000_configure_rx(struct e1000_adapter *adapter)
1172 E1000_WRITE_REG(&adapter->hw, RDT, 0); 1354 E1000_WRITE_REG(&adapter->hw, RDT, 0);
1173 1355
1174 /* Enable 82543 Receive Checksum Offload for TCP and UDP */ 1356 /* Enable 82543 Receive Checksum Offload for TCP and UDP */
1175 if((adapter->hw.mac_type >= e1000_82543) && 1357 if(adapter->hw.mac_type >= e1000_82543) {
1176 (adapter->rx_csum == TRUE)) {
1177 rxcsum = E1000_READ_REG(&adapter->hw, RXCSUM); 1358 rxcsum = E1000_READ_REG(&adapter->hw, RXCSUM);
1178 rxcsum |= E1000_RXCSUM_TUOFL; 1359 if(adapter->rx_csum == TRUE) {
1360 rxcsum |= E1000_RXCSUM_TUOFL;
1361
1362 /* Enable 82573 IPv4 payload checksum for UDP fragments
1363 * Must be used in conjunction with packet-split. */
1364 if((adapter->hw.mac_type > e1000_82547_rev_2) &&
1365 (adapter->rx_ps)) {
1366 rxcsum |= E1000_RXCSUM_IPPCSE;
1367 }
1368 } else {
1369 rxcsum &= ~E1000_RXCSUM_TUOFL;
1370 /* don't need to clear IPPCSE as it defaults to 0 */
1371 }
1179 E1000_WRITE_REG(&adapter->hw, RXCSUM, rxcsum); 1372 E1000_WRITE_REG(&adapter->hw, RXCSUM, rxcsum);
1180 } 1373 }
1181 1374
1375 if (adapter->hw.mac_type == e1000_82573)
1376 E1000_WRITE_REG(&adapter->hw, ERT, 0x0100);
1377
1182 /* Enable Receives */ 1378 /* Enable Receives */
1183 E1000_WRITE_REG(&adapter->hw, RCTL, rctl); 1379 E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
1184} 1380}
@@ -1210,13 +1406,11 @@ static inline void
1210e1000_unmap_and_free_tx_resource(struct e1000_adapter *adapter, 1406e1000_unmap_and_free_tx_resource(struct e1000_adapter *adapter,
1211 struct e1000_buffer *buffer_info) 1407 struct e1000_buffer *buffer_info)
1212{ 1408{
1213 struct pci_dev *pdev = adapter->pdev;
1214
1215 if(buffer_info->dma) { 1409 if(buffer_info->dma) {
1216 pci_unmap_page(pdev, 1410 pci_unmap_page(adapter->pdev,
1217 buffer_info->dma, 1411 buffer_info->dma,
1218 buffer_info->length, 1412 buffer_info->length,
1219 PCI_DMA_TODEVICE); 1413 PCI_DMA_TODEVICE);
1220 buffer_info->dma = 0; 1414 buffer_info->dma = 0;
1221 } 1415 }
1222 if(buffer_info->skb) { 1416 if(buffer_info->skb) {
@@ -1241,7 +1435,7 @@ e1000_clean_tx_ring(struct e1000_adapter *adapter)
1241 /* Free all the Tx ring sk_buffs */ 1435 /* Free all the Tx ring sk_buffs */
1242 1436
1243 if (likely(adapter->previous_buffer_info.skb != NULL)) { 1437 if (likely(adapter->previous_buffer_info.skb != NULL)) {
1244 e1000_unmap_and_free_tx_resource(adapter, 1438 e1000_unmap_and_free_tx_resource(adapter,
1245 &adapter->previous_buffer_info); 1439 &adapter->previous_buffer_info);
1246 } 1440 }
1247 1441
@@ -1281,6 +1475,10 @@ e1000_free_rx_resources(struct e1000_adapter *adapter)
1281 1475
1282 vfree(rx_ring->buffer_info); 1476 vfree(rx_ring->buffer_info);
1283 rx_ring->buffer_info = NULL; 1477 rx_ring->buffer_info = NULL;
1478 kfree(rx_ring->ps_page);
1479 rx_ring->ps_page = NULL;
1480 kfree(rx_ring->ps_page_dma);
1481 rx_ring->ps_page_dma = NULL;
1284 1482
1285 pci_free_consistent(pdev, rx_ring->size, rx_ring->desc, rx_ring->dma); 1483 pci_free_consistent(pdev, rx_ring->size, rx_ring->desc, rx_ring->dma);
1286 1484
@@ -1297,16 +1495,19 @@ e1000_clean_rx_ring(struct e1000_adapter *adapter)
1297{ 1495{
1298 struct e1000_desc_ring *rx_ring = &adapter->rx_ring; 1496 struct e1000_desc_ring *rx_ring = &adapter->rx_ring;
1299 struct e1000_buffer *buffer_info; 1497 struct e1000_buffer *buffer_info;
1498 struct e1000_ps_page *ps_page;
1499 struct e1000_ps_page_dma *ps_page_dma;
1300 struct pci_dev *pdev = adapter->pdev; 1500 struct pci_dev *pdev = adapter->pdev;
1301 unsigned long size; 1501 unsigned long size;
1302 unsigned int i; 1502 unsigned int i, j;
1303 1503
1304 /* Free all the Rx ring sk_buffs */ 1504 /* Free all the Rx ring sk_buffs */
1305 1505
1306 for(i = 0; i < rx_ring->count; i++) { 1506 for(i = 0; i < rx_ring->count; i++) {
1307 buffer_info = &rx_ring->buffer_info[i]; 1507 buffer_info = &rx_ring->buffer_info[i];
1308 if(buffer_info->skb) { 1508 if(buffer_info->skb) {
1309 1509 ps_page = &rx_ring->ps_page[i];
1510 ps_page_dma = &rx_ring->ps_page_dma[i];
1310 pci_unmap_single(pdev, 1511 pci_unmap_single(pdev,
1311 buffer_info->dma, 1512 buffer_info->dma,
1312 buffer_info->length, 1513 buffer_info->length,
@@ -1314,11 +1515,25 @@ e1000_clean_rx_ring(struct e1000_adapter *adapter)
1314 1515
1315 dev_kfree_skb(buffer_info->skb); 1516 dev_kfree_skb(buffer_info->skb);
1316 buffer_info->skb = NULL; 1517 buffer_info->skb = NULL;
1518
1519 for(j = 0; j < PS_PAGE_BUFFERS; j++) {
1520 if(!ps_page->ps_page[j]) break;
1521 pci_unmap_single(pdev,
1522 ps_page_dma->ps_page_dma[j],
1523 PAGE_SIZE, PCI_DMA_FROMDEVICE);
1524 ps_page_dma->ps_page_dma[j] = 0;
1525 put_page(ps_page->ps_page[j]);
1526 ps_page->ps_page[j] = NULL;
1527 }
1317 } 1528 }
1318 } 1529 }
1319 1530
1320 size = sizeof(struct e1000_buffer) * rx_ring->count; 1531 size = sizeof(struct e1000_buffer) * rx_ring->count;
1321 memset(rx_ring->buffer_info, 0, size); 1532 memset(rx_ring->buffer_info, 0, size);
1533 size = sizeof(struct e1000_ps_page) * rx_ring->count;
1534 memset(rx_ring->ps_page, 0, size);
1535 size = sizeof(struct e1000_ps_page_dma) * rx_ring->count;
1536 memset(rx_ring->ps_page_dma, 0, size);
1322 1537
1323 /* Zero out the descriptor ring */ 1538 /* Zero out the descriptor ring */
1324 1539
@@ -1422,15 +1637,15 @@ e1000_set_multi(struct net_device *netdev)
1422 struct e1000_adapter *adapter = netdev->priv; 1637 struct e1000_adapter *adapter = netdev->priv;
1423 struct e1000_hw *hw = &adapter->hw; 1638 struct e1000_hw *hw = &adapter->hw;
1424 struct dev_mc_list *mc_ptr; 1639 struct dev_mc_list *mc_ptr;
1640 unsigned long flags;
1425 uint32_t rctl; 1641 uint32_t rctl;
1426 uint32_t hash_value; 1642 uint32_t hash_value;
1427 int i; 1643 int i;
1428 unsigned long flags;
1429
1430 /* Check for Promiscuous and All Multicast modes */
1431 1644
1432 spin_lock_irqsave(&adapter->tx_lock, flags); 1645 spin_lock_irqsave(&adapter->tx_lock, flags);
1433 1646
1647 /* Check for Promiscuous and All Multicast modes */
1648
1434 rctl = E1000_READ_REG(hw, RCTL); 1649 rctl = E1000_READ_REG(hw, RCTL);
1435 1650
1436 if(netdev->flags & IFF_PROMISC) { 1651 if(netdev->flags & IFF_PROMISC) {
@@ -1556,6 +1771,11 @@ e1000_watchdog_task(struct e1000_adapter *adapter)
1556 uint32_t link; 1771 uint32_t link;
1557 1772
1558 e1000_check_for_link(&adapter->hw); 1773 e1000_check_for_link(&adapter->hw);
1774 if (adapter->hw.mac_type == e1000_82573) {
1775 e1000_enable_tx_pkt_filtering(&adapter->hw);
1776 if(adapter->mng_vlan_id != adapter->hw.mng_cookie.vlan_id)
1777 e1000_update_mng_vlan(adapter);
1778 }
1559 1779
1560 if((adapter->hw.media_type == e1000_media_type_internal_serdes) && 1780 if((adapter->hw.media_type == e1000_media_type_internal_serdes) &&
1561 !(E1000_READ_REG(&adapter->hw, TXCW) & E1000_TXCW_ANE)) 1781 !(E1000_READ_REG(&adapter->hw, TXCW) & E1000_TXCW_ANE))
@@ -1632,7 +1852,7 @@ e1000_watchdog_task(struct e1000_adapter *adapter)
1632 /* Cause software interrupt to ensure rx ring is cleaned */ 1852 /* Cause software interrupt to ensure rx ring is cleaned */
1633 E1000_WRITE_REG(&adapter->hw, ICS, E1000_ICS_RXDMT0); 1853 E1000_WRITE_REG(&adapter->hw, ICS, E1000_ICS_RXDMT0);
1634 1854
1635 /* Force detection of hung controller every watchdog period*/ 1855 /* Force detection of hung controller every watchdog period */
1636 adapter->detect_tx_hung = TRUE; 1856 adapter->detect_tx_hung = TRUE;
1637 1857
1638 /* Reset the timer */ 1858 /* Reset the timer */
@@ -1642,6 +1862,7 @@ e1000_watchdog_task(struct e1000_adapter *adapter)
1642#define E1000_TX_FLAGS_CSUM 0x00000001 1862#define E1000_TX_FLAGS_CSUM 0x00000001
1643#define E1000_TX_FLAGS_VLAN 0x00000002 1863#define E1000_TX_FLAGS_VLAN 0x00000002
1644#define E1000_TX_FLAGS_TSO 0x00000004 1864#define E1000_TX_FLAGS_TSO 0x00000004
1865#define E1000_TX_FLAGS_IPV4 0x00000008
1645#define E1000_TX_FLAGS_VLAN_MASK 0xffff0000 1866#define E1000_TX_FLAGS_VLAN_MASK 0xffff0000
1646#define E1000_TX_FLAGS_VLAN_SHIFT 16 1867#define E1000_TX_FLAGS_VLAN_SHIFT 16
1647 1868
@@ -1652,7 +1873,7 @@ e1000_tso(struct e1000_adapter *adapter, struct sk_buff *skb)
1652 struct e1000_context_desc *context_desc; 1873 struct e1000_context_desc *context_desc;
1653 unsigned int i; 1874 unsigned int i;
1654 uint32_t cmd_length = 0; 1875 uint32_t cmd_length = 0;
1655 uint16_t ipcse, tucse, mss; 1876 uint16_t ipcse = 0, tucse, mss;
1656 uint8_t ipcss, ipcso, tucss, tucso, hdr_len; 1877 uint8_t ipcss, ipcso, tucss, tucso, hdr_len;
1657 int err; 1878 int err;
1658 1879
@@ -1665,23 +1886,37 @@ e1000_tso(struct e1000_adapter *adapter, struct sk_buff *skb)
1665 1886
1666 hdr_len = ((skb->h.raw - skb->data) + (skb->h.th->doff << 2)); 1887 hdr_len = ((skb->h.raw - skb->data) + (skb->h.th->doff << 2));
1667 mss = skb_shinfo(skb)->tso_size; 1888 mss = skb_shinfo(skb)->tso_size;
1668 skb->nh.iph->tot_len = 0; 1889 if(skb->protocol == ntohs(ETH_P_IP)) {
1669 skb->nh.iph->check = 0; 1890 skb->nh.iph->tot_len = 0;
1670 skb->h.th->check = ~csum_tcpudp_magic(skb->nh.iph->saddr, 1891 skb->nh.iph->check = 0;
1671 skb->nh.iph->daddr, 1892 skb->h.th->check =
1672 0, 1893 ~csum_tcpudp_magic(skb->nh.iph->saddr,
1673 IPPROTO_TCP, 1894 skb->nh.iph->daddr,
1674 0); 1895 0,
1896 IPPROTO_TCP,
1897 0);
1898 cmd_length = E1000_TXD_CMD_IP;
1899 ipcse = skb->h.raw - skb->data - 1;
1900#ifdef NETIF_F_TSO_IPV6
1901 } else if(skb->protocol == ntohs(ETH_P_IPV6)) {
1902 skb->nh.ipv6h->payload_len = 0;
1903 skb->h.th->check =
1904 ~csum_ipv6_magic(&skb->nh.ipv6h->saddr,
1905 &skb->nh.ipv6h->daddr,
1906 0,
1907 IPPROTO_TCP,
1908 0);
1909 ipcse = 0;
1910#endif
1911 }
1675 ipcss = skb->nh.raw - skb->data; 1912 ipcss = skb->nh.raw - skb->data;
1676 ipcso = (void *)&(skb->nh.iph->check) - (void *)skb->data; 1913 ipcso = (void *)&(skb->nh.iph->check) - (void *)skb->data;
1677 ipcse = skb->h.raw - skb->data - 1;
1678 tucss = skb->h.raw - skb->data; 1914 tucss = skb->h.raw - skb->data;
1679 tucso = (void *)&(skb->h.th->check) - (void *)skb->data; 1915 tucso = (void *)&(skb->h.th->check) - (void *)skb->data;
1680 tucse = 0; 1916 tucse = 0;
1681 1917
1682 cmd_length |= (E1000_TXD_CMD_DEXT | E1000_TXD_CMD_TSE | 1918 cmd_length |= (E1000_TXD_CMD_DEXT | E1000_TXD_CMD_TSE |
1683 E1000_TXD_CMD_IP | E1000_TXD_CMD_TCP | 1919 E1000_TXD_CMD_TCP | (skb->len - (hdr_len)));
1684 (skb->len - (hdr_len)));
1685 1920
1686 i = adapter->tx_ring.next_to_use; 1921 i = adapter->tx_ring.next_to_use;
1687 context_desc = E1000_CONTEXT_DESC(adapter->tx_ring, i); 1922 context_desc = E1000_CONTEXT_DESC(adapter->tx_ring, i);
@@ -1760,6 +1995,15 @@ e1000_tx_map(struct e1000_adapter *adapter, struct sk_buff *skb,
1760 if(unlikely(mss && !nr_frags && size == len && size > 8)) 1995 if(unlikely(mss && !nr_frags && size == len && size > 8))
1761 size -= 4; 1996 size -= 4;
1762#endif 1997#endif
1998 /* work-around for errata 10 and it applies
1999 * to all controllers in PCI-X mode
2000 * The fix is to make sure that the first descriptor of a
2001 * packet is smaller than 2048 - 16 - 16 (or 2016) bytes
2002 */
2003 if(unlikely((adapter->hw.bus_type == e1000_bus_type_pcix) &&
2004 (size > 2015) && count == 0))
2005 size = 2015;
2006
1763 /* Workaround for potential 82544 hang in PCI-X. Avoid 2007 /* Workaround for potential 82544 hang in PCI-X. Avoid
1764 * terminating buffers within evenly-aligned dwords. */ 2008 * terminating buffers within evenly-aligned dwords. */
1765 if(unlikely(adapter->pcix_82544 && 2009 if(unlikely(adapter->pcix_82544 &&
@@ -1840,7 +2084,10 @@ e1000_tx_queue(struct e1000_adapter *adapter, int count, int tx_flags)
1840 if(likely(tx_flags & E1000_TX_FLAGS_TSO)) { 2084 if(likely(tx_flags & E1000_TX_FLAGS_TSO)) {
1841 txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D | 2085 txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D |
1842 E1000_TXD_CMD_TSE; 2086 E1000_TXD_CMD_TSE;
1843 txd_upper |= (E1000_TXD_POPTS_IXSM | E1000_TXD_POPTS_TXSM) << 8; 2087 txd_upper |= E1000_TXD_POPTS_TXSM << 8;
2088
2089 if(likely(tx_flags & E1000_TX_FLAGS_IPV4))
2090 txd_upper |= E1000_TXD_POPTS_IXSM << 8;
1844 } 2091 }
1845 2092
1846 if(likely(tx_flags & E1000_TX_FLAGS_CSUM)) { 2093 if(likely(tx_flags & E1000_TX_FLAGS_CSUM)) {
@@ -1915,6 +2162,53 @@ no_fifo_stall_required:
1915 return 0; 2162 return 0;
1916} 2163}
1917 2164
2165#define MINIMUM_DHCP_PACKET_SIZE 282
2166static inline int
2167e1000_transfer_dhcp_info(struct e1000_adapter *adapter, struct sk_buff *skb)
2168{
2169 struct e1000_hw *hw = &adapter->hw;
2170 uint16_t length, offset;
2171 if(vlan_tx_tag_present(skb)) {
2172 if(!((vlan_tx_tag_get(skb) == adapter->hw.mng_cookie.vlan_id) &&
2173 ( adapter->hw.mng_cookie.status &
2174 E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT)) )
2175 return 0;
2176 }
2177 if(htons(ETH_P_IP) == skb->protocol) {
2178 const struct iphdr *ip = skb->nh.iph;
2179 if(IPPROTO_UDP == ip->protocol) {
2180 struct udphdr *udp = (struct udphdr *)(skb->h.uh);
2181 if(ntohs(udp->dest) == 67) {
2182 offset = (uint8_t *)udp + 8 - skb->data;
2183 length = skb->len - offset;
2184
2185 return e1000_mng_write_dhcp_info(hw,
2186 (uint8_t *)udp + 8, length);
2187 }
2188 }
2189 } else if((skb->len > MINIMUM_DHCP_PACKET_SIZE) && (!skb->protocol)) {
2190 struct ethhdr *eth = (struct ethhdr *) skb->data;
2191 if((htons(ETH_P_IP) == eth->h_proto)) {
2192 const struct iphdr *ip =
2193 (struct iphdr *)((uint8_t *)skb->data+14);
2194 if(IPPROTO_UDP == ip->protocol) {
2195 struct udphdr *udp =
2196 (struct udphdr *)((uint8_t *)ip +
2197 (ip->ihl << 2));
2198 if(ntohs(udp->dest) == 67) {
2199 offset = (uint8_t *)udp + 8 - skb->data;
2200 length = skb->len - offset;
2201
2202 return e1000_mng_write_dhcp_info(hw,
2203 (uint8_t *)udp + 8,
2204 length);
2205 }
2206 }
2207 }
2208 }
2209 return 0;
2210}
2211
1918#define TXD_USE_COUNT(S, X) (((S) >> (X)) + 1 ) 2212#define TXD_USE_COUNT(S, X) (((S) >> (X)) + 1 )
1919static int 2213static int
1920e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev) 2214e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
@@ -1939,7 +2233,7 @@ e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
1939 2233
1940#ifdef NETIF_F_TSO 2234#ifdef NETIF_F_TSO
1941 mss = skb_shinfo(skb)->tso_size; 2235 mss = skb_shinfo(skb)->tso_size;
1942 /* The controller does a simple calculation to 2236 /* The controller does a simple calculation to
1943 * make sure there is enough room in the FIFO before 2237 * make sure there is enough room in the FIFO before
1944 * initiating the DMA for each buffer. The calc is: 2238 * initiating the DMA for each buffer. The calc is:
1945 * 4 = ceil(buffer len/mss). To make sure we don't 2239 * 4 = ceil(buffer len/mss). To make sure we don't
@@ -1952,7 +2246,7 @@ e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
1952 2246
1953 if((mss) || (skb->ip_summed == CHECKSUM_HW)) 2247 if((mss) || (skb->ip_summed == CHECKSUM_HW))
1954 count++; 2248 count++;
1955 count++; /* for sentinel desc */ 2249 count++;
1956#else 2250#else
1957 if(skb->ip_summed == CHECKSUM_HW) 2251 if(skb->ip_summed == CHECKSUM_HW)
1958 count++; 2252 count++;
@@ -1962,6 +2256,13 @@ e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
1962 if(adapter->pcix_82544) 2256 if(adapter->pcix_82544)
1963 count++; 2257 count++;
1964 2258
2259 /* work-around for errata 10 and it applies to all controllers
2260 * in PCI-X mode, so add one more descriptor to the count
2261 */
2262 if(unlikely((adapter->hw.bus_type == e1000_bus_type_pcix) &&
2263 (len > 2015)))
2264 count++;
2265
1965 nr_frags = skb_shinfo(skb)->nr_frags; 2266 nr_frags = skb_shinfo(skb)->nr_frags;
1966 for(f = 0; f < nr_frags; f++) 2267 for(f = 0; f < nr_frags; f++)
1967 count += TXD_USE_COUNT(skb_shinfo(skb)->frags[f].size, 2268 count += TXD_USE_COUNT(skb_shinfo(skb)->frags[f].size,
@@ -1975,6 +2276,9 @@ e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
1975 local_irq_restore(flags); 2276 local_irq_restore(flags);
1976 return NETDEV_TX_LOCKED; 2277 return NETDEV_TX_LOCKED;
1977 } 2278 }
2279 if(adapter->hw.tx_pkt_filtering && (adapter->hw.mac_type == e1000_82573) )
2280 e1000_transfer_dhcp_info(adapter, skb);
2281
1978 2282
1979 /* need: count + 2 desc gap to keep tail from touching 2283 /* need: count + 2 desc gap to keep tail from touching
1980 * head, otherwise try next time */ 2284 * head, otherwise try next time */
@@ -2011,6 +2315,12 @@ e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
2011 else if(likely(e1000_tx_csum(adapter, skb))) 2315 else if(likely(e1000_tx_csum(adapter, skb)))
2012 tx_flags |= E1000_TX_FLAGS_CSUM; 2316 tx_flags |= E1000_TX_FLAGS_CSUM;
2013 2317
2318 /* Old method was to assume IPv4 packet by default if TSO was enabled.
2319 * 82573 hardware supports TSO capabilities for IPv6 as well...
2320 * no longer assume, we must. */
2321 if(likely(skb->protocol == ntohs(ETH_P_IP)))
2322 tx_flags |= E1000_TX_FLAGS_IPV4;
2323
2014 e1000_tx_queue(adapter, 2324 e1000_tx_queue(adapter,
2015 e1000_tx_map(adapter, skb, first, max_per_txd, nr_frags, mss), 2325 e1000_tx_map(adapter, skb, first, max_per_txd, nr_frags, mss),
2016 tx_flags); 2326 tx_flags);
@@ -2077,7 +2387,6 @@ static int
2077e1000_change_mtu(struct net_device *netdev, int new_mtu) 2387e1000_change_mtu(struct net_device *netdev, int new_mtu)
2078{ 2388{
2079 struct e1000_adapter *adapter = netdev->priv; 2389 struct e1000_adapter *adapter = netdev->priv;
2080 int old_mtu = adapter->rx_buffer_len;
2081 int max_frame = new_mtu + ENET_HEADER_SIZE + ETHERNET_FCS_SIZE; 2390 int max_frame = new_mtu + ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
2082 2391
2083 if((max_frame < MINIMUM_ETHERNET_FRAME_SIZE) || 2392 if((max_frame < MINIMUM_ETHERNET_FRAME_SIZE) ||
@@ -2086,29 +2395,45 @@ e1000_change_mtu(struct net_device *netdev, int new_mtu)
2086 return -EINVAL; 2395 return -EINVAL;
2087 } 2396 }
2088 2397
2089 if(max_frame <= MAXIMUM_ETHERNET_FRAME_SIZE) { 2398#define MAX_STD_JUMBO_FRAME_SIZE 9216
2090 adapter->rx_buffer_len = E1000_RXBUFFER_2048; 2399 /* might want this to be bigger enum check... */
2091 2400 if (adapter->hw.mac_type == e1000_82573 &&
2092 } else if(adapter->hw.mac_type < e1000_82543) { 2401 max_frame > MAXIMUM_ETHERNET_FRAME_SIZE) {
2093 DPRINTK(PROBE, ERR, "Jumbo Frames not supported on 82542\n"); 2402 DPRINTK(PROBE, ERR, "Jumbo Frames not supported "
2403 "on 82573\n");
2094 return -EINVAL; 2404 return -EINVAL;
2405 }
2095 2406
2096 } else if(max_frame <= E1000_RXBUFFER_4096) { 2407 if(adapter->hw.mac_type > e1000_82547_rev_2) {
2097 adapter->rx_buffer_len = E1000_RXBUFFER_4096; 2408 adapter->rx_buffer_len = max_frame;
2098 2409 E1000_ROUNDUP(adapter->rx_buffer_len, 1024);
2099 } else if(max_frame <= E1000_RXBUFFER_8192) {
2100 adapter->rx_buffer_len = E1000_RXBUFFER_8192;
2101
2102 } else { 2410 } else {
2103 adapter->rx_buffer_len = E1000_RXBUFFER_16384; 2411 if(unlikely((adapter->hw.mac_type < e1000_82543) &&
2412 (max_frame > MAXIMUM_ETHERNET_FRAME_SIZE))) {
2413 DPRINTK(PROBE, ERR, "Jumbo Frames not supported "
2414 "on 82542\n");
2415 return -EINVAL;
2416
2417 } else {
2418 if(max_frame <= E1000_RXBUFFER_2048) {
2419 adapter->rx_buffer_len = E1000_RXBUFFER_2048;
2420 } else if(max_frame <= E1000_RXBUFFER_4096) {
2421 adapter->rx_buffer_len = E1000_RXBUFFER_4096;
2422 } else if(max_frame <= E1000_RXBUFFER_8192) {
2423 adapter->rx_buffer_len = E1000_RXBUFFER_8192;
2424 } else if(max_frame <= E1000_RXBUFFER_16384) {
2425 adapter->rx_buffer_len = E1000_RXBUFFER_16384;
2426 }
2427 }
2104 } 2428 }
2105 2429
2106 if(old_mtu != adapter->rx_buffer_len && netif_running(netdev)) { 2430 netdev->mtu = new_mtu;
2431
2432 if(netif_running(netdev)) {
2107 e1000_down(adapter); 2433 e1000_down(adapter);
2108 e1000_up(adapter); 2434 e1000_up(adapter);
2109 } 2435 }
2110 2436
2111 netdev->mtu = new_mtu;
2112 adapter->hw.max_frame_size = max_frame; 2437 adapter->hw.max_frame_size = max_frame;
2113 2438
2114 return 0; 2439 return 0;
@@ -2199,6 +2524,17 @@ e1000_update_stats(struct e1000_adapter *adapter)
2199 adapter->stats.tsctc += E1000_READ_REG(hw, TSCTC); 2524 adapter->stats.tsctc += E1000_READ_REG(hw, TSCTC);
2200 adapter->stats.tsctfc += E1000_READ_REG(hw, TSCTFC); 2525 adapter->stats.tsctfc += E1000_READ_REG(hw, TSCTFC);
2201 } 2526 }
2527 if(hw->mac_type > e1000_82547_rev_2) {
2528 adapter->stats.iac += E1000_READ_REG(hw, IAC);
2529 adapter->stats.icrxoc += E1000_READ_REG(hw, ICRXOC);
2530 adapter->stats.icrxptc += E1000_READ_REG(hw, ICRXPTC);
2531 adapter->stats.icrxatc += E1000_READ_REG(hw, ICRXATC);
2532 adapter->stats.ictxptc += E1000_READ_REG(hw, ICTXPTC);
2533 adapter->stats.ictxatc += E1000_READ_REG(hw, ICTXATC);
2534 adapter->stats.ictxqec += E1000_READ_REG(hw, ICTXQEC);
2535 adapter->stats.ictxqmtc += E1000_READ_REG(hw, ICTXQMTC);
2536 adapter->stats.icrxdmtc += E1000_READ_REG(hw, ICRXDMTC);
2537 }
2202 2538
2203 /* Fill out the OS statistics structure */ 2539 /* Fill out the OS statistics structure */
2204 2540
@@ -2213,9 +2549,9 @@ e1000_update_stats(struct e1000_adapter *adapter)
2213 2549
2214 adapter->net_stats.rx_errors = adapter->stats.rxerrc + 2550 adapter->net_stats.rx_errors = adapter->stats.rxerrc +
2215 adapter->stats.crcerrs + adapter->stats.algnerrc + 2551 adapter->stats.crcerrs + adapter->stats.algnerrc +
2216 adapter->stats.rlec + adapter->stats.rnbc + 2552 adapter->stats.rlec + adapter->stats.mpc +
2217 adapter->stats.mpc + adapter->stats.cexterr; 2553 adapter->stats.cexterr;
2218 adapter->net_stats.rx_dropped = adapter->stats.rnbc; 2554 adapter->net_stats.rx_dropped = adapter->stats.mpc;
2219 adapter->net_stats.rx_length_errors = adapter->stats.rlec; 2555 adapter->net_stats.rx_length_errors = adapter->stats.rlec;
2220 adapter->net_stats.rx_crc_errors = adapter->stats.crcerrs; 2556 adapter->net_stats.rx_crc_errors = adapter->stats.crcerrs;
2221 adapter->net_stats.rx_frame_errors = adapter->stats.algnerrc; 2557 adapter->net_stats.rx_frame_errors = adapter->stats.algnerrc;
@@ -2300,11 +2636,11 @@ e1000_intr(int irq, void *data, struct pt_regs *regs)
2300 */ 2636 */
2301 if(hw->mac_type == e1000_82547 || hw->mac_type == e1000_82547_rev_2){ 2637 if(hw->mac_type == e1000_82547 || hw->mac_type == e1000_82547_rev_2){
2302 atomic_inc(&adapter->irq_sem); 2638 atomic_inc(&adapter->irq_sem);
2303 E1000_WRITE_REG(&adapter->hw, IMC, ~0); 2639 E1000_WRITE_REG(hw, IMC, ~0);
2304 } 2640 }
2305 2641
2306 for(i = 0; i < E1000_MAX_INTR; i++) 2642 for(i = 0; i < E1000_MAX_INTR; i++)
2307 if(unlikely(!e1000_clean_rx_irq(adapter) & 2643 if(unlikely(!adapter->clean_rx(adapter) &
2308 !e1000_clean_tx_irq(adapter))) 2644 !e1000_clean_tx_irq(adapter)))
2309 break; 2645 break;
2310 2646
@@ -2328,16 +2664,15 @@ e1000_clean(struct net_device *netdev, int *budget)
2328 int work_to_do = min(*budget, netdev->quota); 2664 int work_to_do = min(*budget, netdev->quota);
2329 int tx_cleaned; 2665 int tx_cleaned;
2330 int work_done = 0; 2666 int work_done = 0;
2331 2667
2332 tx_cleaned = e1000_clean_tx_irq(adapter); 2668 tx_cleaned = e1000_clean_tx_irq(adapter);
2333 e1000_clean_rx_irq(adapter, &work_done, work_to_do); 2669 adapter->clean_rx(adapter, &work_done, work_to_do);
2334 2670
2335 *budget -= work_done; 2671 *budget -= work_done;
2336 netdev->quota -= work_done; 2672 netdev->quota -= work_done;
2337 2673
2338 /* if no Tx and not enough Rx work done, exit the polling mode */ 2674 /* If no Tx and no Rx work done, exit the polling mode */
2339 if((!tx_cleaned && (work_done < work_to_do)) || 2675 if ((!tx_cleaned && (work_done == 0)) || !netif_running(netdev)) {
2340 !netif_running(netdev)) {
2341 netif_rx_complete(netdev); 2676 netif_rx_complete(netdev);
2342 e1000_irq_enable(adapter); 2677 e1000_irq_enable(adapter);
2343 return 0; 2678 return 0;
@@ -2367,11 +2702,10 @@ e1000_clean_tx_irq(struct e1000_adapter *adapter)
2367 eop_desc = E1000_TX_DESC(*tx_ring, eop); 2702 eop_desc = E1000_TX_DESC(*tx_ring, eop);
2368 2703
2369 while(eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) { 2704 while(eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) {
2370 /* pre-mature writeback of Tx descriptors */ 2705 /* Premature writeback of Tx descriptors clear (free buffers
2371 /* clear (free buffers and unmap pci_mapping) */ 2706 * and unmap pci_mapping) previous_buffer_info */
2372 /* previous_buffer_info */
2373 if (likely(adapter->previous_buffer_info.skb != NULL)) { 2707 if (likely(adapter->previous_buffer_info.skb != NULL)) {
2374 e1000_unmap_and_free_tx_resource(adapter, 2708 e1000_unmap_and_free_tx_resource(adapter,
2375 &adapter->previous_buffer_info); 2709 &adapter->previous_buffer_info);
2376 } 2710 }
2377 2711
@@ -2380,26 +2714,30 @@ e1000_clean_tx_irq(struct e1000_adapter *adapter)
2380 buffer_info = &tx_ring->buffer_info[i]; 2714 buffer_info = &tx_ring->buffer_info[i];
2381 cleaned = (i == eop); 2715 cleaned = (i == eop);
2382 2716
2383 /* pre-mature writeback of Tx descriptors */ 2717#ifdef NETIF_F_TSO
2384 /* save the cleaning of the this for the */ 2718 if (!(netdev->features & NETIF_F_TSO)) {
2385 /* next iteration */ 2719#endif
2386 if (cleaned) { 2720 e1000_unmap_and_free_tx_resource(adapter,
2387 memcpy(&adapter->previous_buffer_info, 2721 buffer_info);
2388 buffer_info, 2722#ifdef NETIF_F_TSO
2389 sizeof(struct e1000_buffer));
2390 memset(buffer_info,
2391 0,
2392 sizeof(struct e1000_buffer));
2393 } else { 2723 } else {
2394 e1000_unmap_and_free_tx_resource(adapter, 2724 if (cleaned) {
2395 buffer_info); 2725 memcpy(&adapter->previous_buffer_info,
2726 buffer_info,
2727 sizeof(struct e1000_buffer));
2728 memset(buffer_info, 0,
2729 sizeof(struct e1000_buffer));
2730 } else {
2731 e1000_unmap_and_free_tx_resource(
2732 adapter, buffer_info);
2733 }
2396 } 2734 }
2735#endif
2397 2736
2398 tx_desc->buffer_addr = 0; 2737 tx_desc->buffer_addr = 0;
2399 tx_desc->lower.data = 0; 2738 tx_desc->lower.data = 0;
2400 tx_desc->upper.data = 0; 2739 tx_desc->upper.data = 0;
2401 2740
2402 cleaned = (i == eop);
2403 if(unlikely(++i == tx_ring->count)) i = 0; 2741 if(unlikely(++i == tx_ring->count)) i = 0;
2404 } 2742 }
2405 2743
@@ -2416,57 +2754,107 @@ e1000_clean_tx_irq(struct e1000_adapter *adapter)
2416 netif_wake_queue(netdev); 2754 netif_wake_queue(netdev);
2417 2755
2418 spin_unlock(&adapter->tx_lock); 2756 spin_unlock(&adapter->tx_lock);
2419
2420 if(adapter->detect_tx_hung) { 2757 if(adapter->detect_tx_hung) {
2421 /* detect a transmit hang in hardware, this serializes the 2758
2759 /* Detect a transmit hang in hardware, this serializes the
2422 * check with the clearing of time_stamp and movement of i */ 2760 * check with the clearing of time_stamp and movement of i */
2423 adapter->detect_tx_hung = FALSE; 2761 adapter->detect_tx_hung = FALSE;
2424 if(tx_ring->buffer_info[i].dma && 2762 if (tx_ring->buffer_info[i].dma &&
2425 time_after(jiffies, tx_ring->buffer_info[i].time_stamp + HZ) && 2763 time_after(jiffies, tx_ring->buffer_info[i].time_stamp + HZ)
2426 !(E1000_READ_REG(&adapter->hw, STATUS) & E1000_STATUS_TXOFF)) 2764 && !(E1000_READ_REG(&adapter->hw, STATUS) &
2765 E1000_STATUS_TXOFF)) {
2766
2767 /* detected Tx unit hang */
2768 i = tx_ring->next_to_clean;
2769 eop = tx_ring->buffer_info[i].next_to_watch;
2770 eop_desc = E1000_TX_DESC(*tx_ring, eop);
2771 DPRINTK(TX_ERR, ERR, "Detected Tx Unit Hang\n"
2772 " TDH <%x>\n"
2773 " TDT <%x>\n"
2774 " next_to_use <%x>\n"
2775 " next_to_clean <%x>\n"
2776 "buffer_info[next_to_clean]\n"
2777 " dma <%llx>\n"
2778 " time_stamp <%lx>\n"
2779 " next_to_watch <%x>\n"
2780 " jiffies <%lx>\n"
2781 " next_to_watch.status <%x>\n",
2782 E1000_READ_REG(&adapter->hw, TDH),
2783 E1000_READ_REG(&adapter->hw, TDT),
2784 tx_ring->next_to_use,
2785 i,
2786 tx_ring->buffer_info[i].dma,
2787 tx_ring->buffer_info[i].time_stamp,
2788 eop,
2789 jiffies,
2790 eop_desc->upper.fields.status);
2427 netif_stop_queue(netdev); 2791 netif_stop_queue(netdev);
2792 }
2428 } 2793 }
2794#ifdef NETIF_F_TSO
2795
2796 if( unlikely(!(eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) &&
2797 time_after(jiffies, adapter->previous_buffer_info.time_stamp + HZ)))
2798 e1000_unmap_and_free_tx_resource(
2799 adapter, &adapter->previous_buffer_info);
2429 2800
2801#endif
2430 return cleaned; 2802 return cleaned;
2431} 2803}
2432 2804
2433/** 2805/**
2434 * e1000_rx_checksum - Receive Checksum Offload for 82543 2806 * e1000_rx_checksum - Receive Checksum Offload for 82543
2435 * @adapter: board private structure 2807 * @adapter: board private structure
2436 * @rx_desc: receive descriptor 2808 * @status_err: receive descriptor status and error fields
2437 * @sk_buff: socket buffer with received data 2809 * @csum: receive descriptor csum field
2810 * @sk_buff: socket buffer with received data
2438 **/ 2811 **/
2439 2812
2440static inline void 2813static inline void
2441e1000_rx_checksum(struct e1000_adapter *adapter, 2814e1000_rx_checksum(struct e1000_adapter *adapter,
2442 struct e1000_rx_desc *rx_desc, 2815 uint32_t status_err, uint32_t csum,
2443 struct sk_buff *skb) 2816 struct sk_buff *skb)
2444{ 2817{
2818 uint16_t status = (uint16_t)status_err;
2819 uint8_t errors = (uint8_t)(status_err >> 24);
2820 skb->ip_summed = CHECKSUM_NONE;
2821
2445 /* 82543 or newer only */ 2822 /* 82543 or newer only */
2446 if(unlikely((adapter->hw.mac_type < e1000_82543) || 2823 if(unlikely(adapter->hw.mac_type < e1000_82543)) return;
2447 /* Ignore Checksum bit is set */ 2824 /* Ignore Checksum bit is set */
2448 (rx_desc->status & E1000_RXD_STAT_IXSM) || 2825 if(unlikely(status & E1000_RXD_STAT_IXSM)) return;
2449 /* TCP Checksum has not been calculated */ 2826 /* TCP/UDP checksum error bit is set */
2450 (!(rx_desc->status & E1000_RXD_STAT_TCPCS)))) { 2827 if(unlikely(errors & E1000_RXD_ERR_TCPE)) {
2451 skb->ip_summed = CHECKSUM_NONE;
2452 return;
2453 }
2454
2455 /* At this point we know the hardware did the TCP checksum */
2456 /* now look at the TCP checksum error bit */
2457 if(rx_desc->errors & E1000_RXD_ERR_TCPE) {
2458 /* let the stack verify checksum errors */ 2828 /* let the stack verify checksum errors */
2459 skb->ip_summed = CHECKSUM_NONE;
2460 adapter->hw_csum_err++; 2829 adapter->hw_csum_err++;
2830 return;
2831 }
2832 /* TCP/UDP Checksum has not been calculated */
2833 if(adapter->hw.mac_type <= e1000_82547_rev_2) {
2834 if(!(status & E1000_RXD_STAT_TCPCS))
2835 return;
2461 } else { 2836 } else {
2837 if(!(status & (E1000_RXD_STAT_TCPCS | E1000_RXD_STAT_UDPCS)))
2838 return;
2839 }
2840 /* It must be a TCP or UDP packet with a valid checksum */
2841 if (likely(status & E1000_RXD_STAT_TCPCS)) {
2462 /* TCP checksum is good */ 2842 /* TCP checksum is good */
2463 skb->ip_summed = CHECKSUM_UNNECESSARY; 2843 skb->ip_summed = CHECKSUM_UNNECESSARY;
2464 adapter->hw_csum_good++; 2844 } else if (adapter->hw.mac_type > e1000_82547_rev_2) {
2845 /* IP fragment with UDP payload */
2846 /* Hardware complements the payload checksum, so we undo it
2847 * and then put the value in host order for further stack use.
2848 */
2849 csum = ntohl(csum ^ 0xFFFF);
2850 skb->csum = csum;
2851 skb->ip_summed = CHECKSUM_HW;
2465 } 2852 }
2853 adapter->hw_csum_good++;
2466} 2854}
2467 2855
2468/** 2856/**
2469 * e1000_clean_rx_irq - Send received data up the network stack 2857 * e1000_clean_rx_irq - Send received data up the network stack; legacy
2470 * @adapter: board private structure 2858 * @adapter: board private structure
2471 **/ 2859 **/
2472 2860
@@ -2513,7 +2901,7 @@ e1000_clean_rx_irq(struct e1000_adapter *adapter)
2513 if(unlikely(!(rx_desc->status & E1000_RXD_STAT_EOP))) { 2901 if(unlikely(!(rx_desc->status & E1000_RXD_STAT_EOP))) {
2514 /* All receives must fit into a single buffer */ 2902 /* All receives must fit into a single buffer */
2515 E1000_DBG("%s: Receive packet consumed multiple" 2903 E1000_DBG("%s: Receive packet consumed multiple"
2516 " buffers\n", netdev->name); 2904 " buffers\n", netdev->name);
2517 dev_kfree_skb_irq(skb); 2905 dev_kfree_skb_irq(skb);
2518 goto next_desc; 2906 goto next_desc;
2519 } 2907 }
@@ -2539,15 +2927,17 @@ e1000_clean_rx_irq(struct e1000_adapter *adapter)
2539 skb_put(skb, length - ETHERNET_FCS_SIZE); 2927 skb_put(skb, length - ETHERNET_FCS_SIZE);
2540 2928
2541 /* Receive Checksum Offload */ 2929 /* Receive Checksum Offload */
2542 e1000_rx_checksum(adapter, rx_desc, skb); 2930 e1000_rx_checksum(adapter,
2543 2931 (uint32_t)(rx_desc->status) |
2932 ((uint32_t)(rx_desc->errors) << 24),
2933 rx_desc->csum, skb);
2544 skb->protocol = eth_type_trans(skb, netdev); 2934 skb->protocol = eth_type_trans(skb, netdev);
2545#ifdef CONFIG_E1000_NAPI 2935#ifdef CONFIG_E1000_NAPI
2546 if(unlikely(adapter->vlgrp && 2936 if(unlikely(adapter->vlgrp &&
2547 (rx_desc->status & E1000_RXD_STAT_VP))) { 2937 (rx_desc->status & E1000_RXD_STAT_VP))) {
2548 vlan_hwaccel_receive_skb(skb, adapter->vlgrp, 2938 vlan_hwaccel_receive_skb(skb, adapter->vlgrp,
2549 le16_to_cpu(rx_desc->special) & 2939 le16_to_cpu(rx_desc->special) &
2550 E1000_RXD_SPC_VLAN_MASK); 2940 E1000_RXD_SPC_VLAN_MASK);
2551 } else { 2941 } else {
2552 netif_receive_skb(skb); 2942 netif_receive_skb(skb);
2553 } 2943 }
@@ -2570,16 +2960,142 @@ next_desc:
2570 2960
2571 rx_desc = E1000_RX_DESC(*rx_ring, i); 2961 rx_desc = E1000_RX_DESC(*rx_ring, i);
2572 } 2962 }
2573
2574 rx_ring->next_to_clean = i; 2963 rx_ring->next_to_clean = i;
2964 adapter->alloc_rx_buf(adapter);
2965
2966 return cleaned;
2967}
2968
2969/**
2970 * e1000_clean_rx_irq_ps - Send received data up the network stack; packet split
2971 * @adapter: board private structure
2972 **/
2973
2974static boolean_t
2975#ifdef CONFIG_E1000_NAPI
2976e1000_clean_rx_irq_ps(struct e1000_adapter *adapter, int *work_done,
2977 int work_to_do)
2978#else
2979e1000_clean_rx_irq_ps(struct e1000_adapter *adapter)
2980#endif
2981{
2982 struct e1000_desc_ring *rx_ring = &adapter->rx_ring;
2983 union e1000_rx_desc_packet_split *rx_desc;
2984 struct net_device *netdev = adapter->netdev;
2985 struct pci_dev *pdev = adapter->pdev;
2986 struct e1000_buffer *buffer_info;
2987 struct e1000_ps_page *ps_page;
2988 struct e1000_ps_page_dma *ps_page_dma;
2989 struct sk_buff *skb;
2990 unsigned int i, j;
2991 uint32_t length, staterr;
2992 boolean_t cleaned = FALSE;
2993
2994 i = rx_ring->next_to_clean;
2995 rx_desc = E1000_RX_DESC_PS(*rx_ring, i);
2996 staterr = rx_desc->wb.middle.status_error;
2997
2998 while(staterr & E1000_RXD_STAT_DD) {
2999 buffer_info = &rx_ring->buffer_info[i];
3000 ps_page = &rx_ring->ps_page[i];
3001 ps_page_dma = &rx_ring->ps_page_dma[i];
3002#ifdef CONFIG_E1000_NAPI
3003 if(unlikely(*work_done >= work_to_do))
3004 break;
3005 (*work_done)++;
3006#endif
3007 cleaned = TRUE;
3008 pci_unmap_single(pdev, buffer_info->dma,
3009 buffer_info->length,
3010 PCI_DMA_FROMDEVICE);
3011
3012 skb = buffer_info->skb;
3013
3014 if(unlikely(!(staterr & E1000_RXD_STAT_EOP))) {
3015 E1000_DBG("%s: Packet Split buffers didn't pick up"
3016 " the full packet\n", netdev->name);
3017 dev_kfree_skb_irq(skb);
3018 goto next_desc;
3019 }
3020
3021 if(unlikely(staterr & E1000_RXDEXT_ERR_FRAME_ERR_MASK)) {
3022 dev_kfree_skb_irq(skb);
3023 goto next_desc;
3024 }
3025
3026 length = le16_to_cpu(rx_desc->wb.middle.length0);
3027
3028 if(unlikely(!length)) {
3029 E1000_DBG("%s: Last part of the packet spanning"
3030 " multiple descriptors\n", netdev->name);
3031 dev_kfree_skb_irq(skb);
3032 goto next_desc;
3033 }
3034
3035 /* Good Receive */
3036 skb_put(skb, length);
3037
3038 for(j = 0; j < PS_PAGE_BUFFERS; j++) {
3039 if(!(length = le16_to_cpu(rx_desc->wb.upper.length[j])))
3040 break;
3041
3042 pci_unmap_page(pdev, ps_page_dma->ps_page_dma[j],
3043 PAGE_SIZE, PCI_DMA_FROMDEVICE);
3044 ps_page_dma->ps_page_dma[j] = 0;
3045 skb_shinfo(skb)->frags[j].page =
3046 ps_page->ps_page[j];
3047 ps_page->ps_page[j] = NULL;
3048 skb_shinfo(skb)->frags[j].page_offset = 0;
3049 skb_shinfo(skb)->frags[j].size = length;
3050 skb_shinfo(skb)->nr_frags++;
3051 skb->len += length;
3052 skb->data_len += length;
3053 }
2575 3054
2576 e1000_alloc_rx_buffers(adapter); 3055 e1000_rx_checksum(adapter, staterr,
3056 rx_desc->wb.lower.hi_dword.csum_ip.csum, skb);
3057 skb->protocol = eth_type_trans(skb, netdev);
3058
3059#ifdef HAVE_RX_ZERO_COPY
3060 if(likely(rx_desc->wb.upper.header_status &
3061 E1000_RXDPS_HDRSTAT_HDRSP))
3062 skb_shinfo(skb)->zero_copy = TRUE;
3063#endif
3064#ifdef CONFIG_E1000_NAPI
3065 if(unlikely(adapter->vlgrp && (staterr & E1000_RXD_STAT_VP))) {
3066 vlan_hwaccel_receive_skb(skb, adapter->vlgrp,
3067 le16_to_cpu(rx_desc->wb.middle.vlan &
3068 E1000_RXD_SPC_VLAN_MASK));
3069 } else {
3070 netif_receive_skb(skb);
3071 }
3072#else /* CONFIG_E1000_NAPI */
3073 if(unlikely(adapter->vlgrp && (staterr & E1000_RXD_STAT_VP))) {
3074 vlan_hwaccel_rx(skb, adapter->vlgrp,
3075 le16_to_cpu(rx_desc->wb.middle.vlan &
3076 E1000_RXD_SPC_VLAN_MASK));
3077 } else {
3078 netif_rx(skb);
3079 }
3080#endif /* CONFIG_E1000_NAPI */
3081 netdev->last_rx = jiffies;
3082
3083next_desc:
3084 rx_desc->wb.middle.status_error &= ~0xFF;
3085 buffer_info->skb = NULL;
3086 if(unlikely(++i == rx_ring->count)) i = 0;
3087
3088 rx_desc = E1000_RX_DESC_PS(*rx_ring, i);
3089 staterr = rx_desc->wb.middle.status_error;
3090 }
3091 rx_ring->next_to_clean = i;
3092 adapter->alloc_rx_buf(adapter);
2577 3093
2578 return cleaned; 3094 return cleaned;
2579} 3095}
2580 3096
2581/** 3097/**
2582 * e1000_alloc_rx_buffers - Replace used receive buffers 3098 * e1000_alloc_rx_buffers - Replace used receive buffers; legacy & extended
2583 * @adapter: address of board private structure 3099 * @adapter: address of board private structure
2584 **/ 3100 **/
2585 3101
@@ -2592,43 +3108,43 @@ e1000_alloc_rx_buffers(struct e1000_adapter *adapter)
2592 struct e1000_rx_desc *rx_desc; 3108 struct e1000_rx_desc *rx_desc;
2593 struct e1000_buffer *buffer_info; 3109 struct e1000_buffer *buffer_info;
2594 struct sk_buff *skb; 3110 struct sk_buff *skb;
2595 unsigned int i, bufsz; 3111 unsigned int i;
3112 unsigned int bufsz = adapter->rx_buffer_len + NET_IP_ALIGN;
2596 3113
2597 i = rx_ring->next_to_use; 3114 i = rx_ring->next_to_use;
2598 buffer_info = &rx_ring->buffer_info[i]; 3115 buffer_info = &rx_ring->buffer_info[i];
2599 3116
2600 while(!buffer_info->skb) { 3117 while(!buffer_info->skb) {
2601 bufsz = adapter->rx_buffer_len + NET_IP_ALIGN;
2602
2603 skb = dev_alloc_skb(bufsz); 3118 skb = dev_alloc_skb(bufsz);
3119
2604 if(unlikely(!skb)) { 3120 if(unlikely(!skb)) {
2605 /* Better luck next round */ 3121 /* Better luck next round */
2606 break; 3122 break;
2607 } 3123 }
2608 3124
2609 /* fix for errata 23, cant cross 64kB boundary */ 3125 /* Fix for errata 23, can't cross 64kB boundary */
2610 if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) { 3126 if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
2611 struct sk_buff *oldskb = skb; 3127 struct sk_buff *oldskb = skb;
2612 DPRINTK(RX_ERR,ERR, 3128 DPRINTK(RX_ERR, ERR, "skb align check failed: %u bytes "
2613 "skb align check failed: %u bytes at %p\n", 3129 "at %p\n", bufsz, skb->data);
2614 bufsz, skb->data); 3130 /* Try again, without freeing the previous */
2615 /* try again, without freeing the previous */
2616 skb = dev_alloc_skb(bufsz); 3131 skb = dev_alloc_skb(bufsz);
3132 /* Failed allocation, critical failure */
2617 if (!skb) { 3133 if (!skb) {
2618 dev_kfree_skb(oldskb); 3134 dev_kfree_skb(oldskb);
2619 break; 3135 break;
2620 } 3136 }
3137
2621 if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) { 3138 if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
2622 /* give up */ 3139 /* give up */
2623 dev_kfree_skb(skb); 3140 dev_kfree_skb(skb);
2624 dev_kfree_skb(oldskb); 3141 dev_kfree_skb(oldskb);
2625 break; /* while !buffer_info->skb */ 3142 break; /* while !buffer_info->skb */
2626 } else { 3143 } else {
2627 /* move on with the new one */ 3144 /* Use new allocation */
2628 dev_kfree_skb(oldskb); 3145 dev_kfree_skb(oldskb);
2629 } 3146 }
2630 } 3147 }
2631
2632 /* Make buffer alignment 2 beyond a 16 byte boundary 3148 /* Make buffer alignment 2 beyond a 16 byte boundary
2633 * this will result in a 16 byte aligned IP header after 3149 * this will result in a 16 byte aligned IP header after
2634 * the 14 byte MAC header is removed 3150 * the 14 byte MAC header is removed
@@ -2644,25 +3160,23 @@ e1000_alloc_rx_buffers(struct e1000_adapter *adapter)
2644 adapter->rx_buffer_len, 3160 adapter->rx_buffer_len,
2645 PCI_DMA_FROMDEVICE); 3161 PCI_DMA_FROMDEVICE);
2646 3162
2647 /* fix for errata 23, cant cross 64kB boundary */ 3163 /* Fix for errata 23, can't cross 64kB boundary */
2648 if(!e1000_check_64k_bound(adapter, 3164 if (!e1000_check_64k_bound(adapter,
2649 (void *)(unsigned long)buffer_info->dma, 3165 (void *)(unsigned long)buffer_info->dma,
2650 adapter->rx_buffer_len)) { 3166 adapter->rx_buffer_len)) {
2651 DPRINTK(RX_ERR,ERR, 3167 DPRINTK(RX_ERR, ERR,
2652 "dma align check failed: %u bytes at %ld\n", 3168 "dma align check failed: %u bytes at %p\n",
2653 adapter->rx_buffer_len, (unsigned long)buffer_info->dma); 3169 adapter->rx_buffer_len,
2654 3170 (void *)(unsigned long)buffer_info->dma);
2655 dev_kfree_skb(skb); 3171 dev_kfree_skb(skb);
2656 buffer_info->skb = NULL; 3172 buffer_info->skb = NULL;
2657 3173
2658 pci_unmap_single(pdev, 3174 pci_unmap_single(pdev, buffer_info->dma,
2659 buffer_info->dma,
2660 adapter->rx_buffer_len, 3175 adapter->rx_buffer_len,
2661 PCI_DMA_FROMDEVICE); 3176 PCI_DMA_FROMDEVICE);
2662 3177
2663 break; /* while !buffer_info->skb */ 3178 break; /* while !buffer_info->skb */
2664 } 3179 }
2665
2666 rx_desc = E1000_RX_DESC(*rx_ring, i); 3180 rx_desc = E1000_RX_DESC(*rx_ring, i);
2667 rx_desc->buffer_addr = cpu_to_le64(buffer_info->dma); 3181 rx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
2668 3182
@@ -2672,7 +3186,6 @@ e1000_alloc_rx_buffers(struct e1000_adapter *adapter)
2672 * applicable for weak-ordered memory model archs, 3186 * applicable for weak-ordered memory model archs,
2673 * such as IA-64). */ 3187 * such as IA-64). */
2674 wmb(); 3188 wmb();
2675
2676 E1000_WRITE_REG(&adapter->hw, RDT, i); 3189 E1000_WRITE_REG(&adapter->hw, RDT, i);
2677 } 3190 }
2678 3191
@@ -2684,6 +3197,95 @@ e1000_alloc_rx_buffers(struct e1000_adapter *adapter)
2684} 3197}
2685 3198
2686/** 3199/**
3200 * e1000_alloc_rx_buffers_ps - Replace used receive buffers; packet split
3201 * @adapter: address of board private structure
3202 **/
3203
3204static void
3205e1000_alloc_rx_buffers_ps(struct e1000_adapter *adapter)
3206{
3207 struct e1000_desc_ring *rx_ring = &adapter->rx_ring;
3208 struct net_device *netdev = adapter->netdev;
3209 struct pci_dev *pdev = adapter->pdev;
3210 union e1000_rx_desc_packet_split *rx_desc;
3211 struct e1000_buffer *buffer_info;
3212 struct e1000_ps_page *ps_page;
3213 struct e1000_ps_page_dma *ps_page_dma;
3214 struct sk_buff *skb;
3215 unsigned int i, j;
3216
3217 i = rx_ring->next_to_use;
3218 buffer_info = &rx_ring->buffer_info[i];
3219 ps_page = &rx_ring->ps_page[i];
3220 ps_page_dma = &rx_ring->ps_page_dma[i];
3221
3222 while(!buffer_info->skb) {
3223 rx_desc = E1000_RX_DESC_PS(*rx_ring, i);
3224
3225 for(j = 0; j < PS_PAGE_BUFFERS; j++) {
3226 if(unlikely(!ps_page->ps_page[j])) {
3227 ps_page->ps_page[j] =
3228 alloc_page(GFP_ATOMIC);
3229 if(unlikely(!ps_page->ps_page[j]))
3230 goto no_buffers;
3231 ps_page_dma->ps_page_dma[j] =
3232 pci_map_page(pdev,
3233 ps_page->ps_page[j],
3234 0, PAGE_SIZE,
3235 PCI_DMA_FROMDEVICE);
3236 }
3237 /* Refresh the desc even if buffer_addrs didn't
3238 * change because each write-back erases this info.
3239 */
3240 rx_desc->read.buffer_addr[j+1] =
3241 cpu_to_le64(ps_page_dma->ps_page_dma[j]);
3242 }
3243
3244 skb = dev_alloc_skb(adapter->rx_ps_bsize0 + NET_IP_ALIGN);
3245
3246 if(unlikely(!skb))
3247 break;
3248
3249 /* Make buffer alignment 2 beyond a 16 byte boundary
3250 * this will result in a 16 byte aligned IP header after
3251 * the 14 byte MAC header is removed
3252 */
3253 skb_reserve(skb, NET_IP_ALIGN);
3254
3255 skb->dev = netdev;
3256
3257 buffer_info->skb = skb;
3258 buffer_info->length = adapter->rx_ps_bsize0;
3259 buffer_info->dma = pci_map_single(pdev, skb->data,
3260 adapter->rx_ps_bsize0,
3261 PCI_DMA_FROMDEVICE);
3262
3263 rx_desc->read.buffer_addr[0] = cpu_to_le64(buffer_info->dma);
3264
3265 if(unlikely((i & ~(E1000_RX_BUFFER_WRITE - 1)) == i)) {
3266 /* Force memory writes to complete before letting h/w
3267 * know there are new descriptors to fetch. (Only
3268 * applicable for weak-ordered memory model archs,
3269 * such as IA-64). */
3270 wmb();
3271 /* Hardware increments by 16 bytes, but packet split
3272 * descriptors are 32 bytes...so we increment tail
3273 * twice as much.
3274 */
3275 E1000_WRITE_REG(&adapter->hw, RDT, i<<1);
3276 }
3277
3278 if(unlikely(++i == rx_ring->count)) i = 0;
3279 buffer_info = &rx_ring->buffer_info[i];
3280 ps_page = &rx_ring->ps_page[i];
3281 ps_page_dma = &rx_ring->ps_page_dma[i];
3282 }
3283
3284no_buffers:
3285 rx_ring->next_to_use = i;
3286}
3287
3288/**
2687 * e1000_smartspeed - Workaround for SmartSpeed on 82541 and 82547 controllers. 3289 * e1000_smartspeed - Workaround for SmartSpeed on 82541 and 82547 controllers.
2688 * @adapter: 3290 * @adapter:
2689 **/ 3291 **/
@@ -2856,9 +3458,10 @@ void
2856e1000_pci_set_mwi(struct e1000_hw *hw) 3458e1000_pci_set_mwi(struct e1000_hw *hw)
2857{ 3459{
2858 struct e1000_adapter *adapter = hw->back; 3460 struct e1000_adapter *adapter = hw->back;
3461 int ret_val = pci_set_mwi(adapter->pdev);
2859 3462
2860 int ret; 3463 if(ret_val)
2861 ret = pci_set_mwi(adapter->pdev); 3464 DPRINTK(PROBE, ERR, "Error in setting MWI\n");
2862} 3465}
2863 3466
2864void 3467void
@@ -2917,6 +3520,7 @@ e1000_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp)
2917 rctl |= E1000_RCTL_VFE; 3520 rctl |= E1000_RCTL_VFE;
2918 rctl &= ~E1000_RCTL_CFIEN; 3521 rctl &= ~E1000_RCTL_CFIEN;
2919 E1000_WRITE_REG(&adapter->hw, RCTL, rctl); 3522 E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
3523 e1000_update_mng_vlan(adapter);
2920 } else { 3524 } else {
2921 /* disable VLAN tag insert/strip */ 3525 /* disable VLAN tag insert/strip */
2922 ctrl = E1000_READ_REG(&adapter->hw, CTRL); 3526 ctrl = E1000_READ_REG(&adapter->hw, CTRL);
@@ -2927,6 +3531,10 @@ e1000_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp)
2927 rctl = E1000_READ_REG(&adapter->hw, RCTL); 3531 rctl = E1000_READ_REG(&adapter->hw, RCTL);
2928 rctl &= ~E1000_RCTL_VFE; 3532 rctl &= ~E1000_RCTL_VFE;
2929 E1000_WRITE_REG(&adapter->hw, RCTL, rctl); 3533 E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
3534 if(adapter->mng_vlan_id != (uint16_t)E1000_MNG_VLAN_NONE) {
3535 e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
3536 adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
3537 }
2930 } 3538 }
2931 3539
2932 e1000_irq_enable(adapter); 3540 e1000_irq_enable(adapter);
@@ -2937,7 +3545,10 @@ e1000_vlan_rx_add_vid(struct net_device *netdev, uint16_t vid)
2937{ 3545{
2938 struct e1000_adapter *adapter = netdev->priv; 3546 struct e1000_adapter *adapter = netdev->priv;
2939 uint32_t vfta, index; 3547 uint32_t vfta, index;
2940 3548 if((adapter->hw.mng_cookie.status &
3549 E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
3550 (vid == adapter->mng_vlan_id))
3551 return;
2941 /* add VID to filter table */ 3552 /* add VID to filter table */
2942 index = (vid >> 5) & 0x7F; 3553 index = (vid >> 5) & 0x7F;
2943 vfta = E1000_READ_REG_ARRAY(&adapter->hw, VFTA, index); 3554 vfta = E1000_READ_REG_ARRAY(&adapter->hw, VFTA, index);
@@ -2958,6 +3569,10 @@ e1000_vlan_rx_kill_vid(struct net_device *netdev, uint16_t vid)
2958 3569
2959 e1000_irq_enable(adapter); 3570 e1000_irq_enable(adapter);
2960 3571
3572 if((adapter->hw.mng_cookie.status &
3573 E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
3574 (vid == adapter->mng_vlan_id))
3575 return;
2961 /* remove VID from filter table */ 3576 /* remove VID from filter table */
2962 index = (vid >> 5) & 0x7F; 3577 index = (vid >> 5) & 0x7F;
2963 vfta = E1000_READ_REG_ARRAY(&adapter->hw, VFTA, index); 3578 vfta = E1000_READ_REG_ARRAY(&adapter->hw, VFTA, index);
@@ -3004,8 +3619,7 @@ e1000_set_spd_dplx(struct e1000_adapter *adapter, uint16_t spddplx)
3004 break; 3619 break;
3005 case SPEED_1000 + DUPLEX_HALF: /* not supported */ 3620 case SPEED_1000 + DUPLEX_HALF: /* not supported */
3006 default: 3621 default:
3007 DPRINTK(PROBE, ERR, 3622 DPRINTK(PROBE, ERR, "Unsupported Speed/Duplex configuration\n");
3008 "Unsupported Speed/Duplexity configuration\n");
3009 return -EINVAL; 3623 return -EINVAL;
3010 } 3624 }
3011 return 0; 3625 return 0;
@@ -3033,7 +3647,7 @@ e1000_suspend(struct pci_dev *pdev, uint32_t state)
3033{ 3647{
3034 struct net_device *netdev = pci_get_drvdata(pdev); 3648 struct net_device *netdev = pci_get_drvdata(pdev);
3035 struct e1000_adapter *adapter = netdev->priv; 3649 struct e1000_adapter *adapter = netdev->priv;
3036 uint32_t ctrl, ctrl_ext, rctl, manc, status; 3650 uint32_t ctrl, ctrl_ext, rctl, manc, status, swsm;
3037 uint32_t wufc = adapter->wol; 3651 uint32_t wufc = adapter->wol;
3038 3652
3039 netif_device_detach(netdev); 3653 netif_device_detach(netdev);
@@ -3075,6 +3689,9 @@ e1000_suspend(struct pci_dev *pdev, uint32_t state)
3075 E1000_WRITE_REG(&adapter->hw, CTRL_EXT, ctrl_ext); 3689 E1000_WRITE_REG(&adapter->hw, CTRL_EXT, ctrl_ext);
3076 } 3690 }
3077 3691
3692 /* Allow time for pending master requests to run */
3693 e1000_disable_pciex_master(&adapter->hw);
3694
3078 E1000_WRITE_REG(&adapter->hw, WUC, E1000_WUC_PME_EN); 3695 E1000_WRITE_REG(&adapter->hw, WUC, E1000_WUC_PME_EN);
3079 E1000_WRITE_REG(&adapter->hw, WUFC, wufc); 3696 E1000_WRITE_REG(&adapter->hw, WUFC, wufc);
3080 pci_enable_wake(pdev, 3, 1); 3697 pci_enable_wake(pdev, 3, 1);
@@ -3099,6 +3716,16 @@ e1000_suspend(struct pci_dev *pdev, uint32_t state)
3099 } 3716 }
3100 } 3717 }
3101 3718
3719 switch(adapter->hw.mac_type) {
3720 case e1000_82573:
3721 swsm = E1000_READ_REG(&adapter->hw, SWSM);
3722 E1000_WRITE_REG(&adapter->hw, SWSM,
3723 swsm & ~E1000_SWSM_DRV_LOAD);
3724 break;
3725 default:
3726 break;
3727 }
3728
3102 pci_disable_device(pdev); 3729 pci_disable_device(pdev);
3103 3730
3104 state = (state > 0) ? 3 : 0; 3731 state = (state > 0) ? 3 : 0;
@@ -3113,13 +3740,12 @@ e1000_resume(struct pci_dev *pdev)
3113{ 3740{
3114 struct net_device *netdev = pci_get_drvdata(pdev); 3741 struct net_device *netdev = pci_get_drvdata(pdev);
3115 struct e1000_adapter *adapter = netdev->priv; 3742 struct e1000_adapter *adapter = netdev->priv;
3116 uint32_t manc, ret; 3743 uint32_t manc, ret, swsm;
3117 3744
3118 pci_set_power_state(pdev, 0); 3745 pci_set_power_state(pdev, 0);
3119 pci_restore_state(pdev); 3746 pci_restore_state(pdev);
3120 ret = pci_enable_device(pdev); 3747 ret = pci_enable_device(pdev);
3121 if (pdev->is_busmaster) 3748 pci_set_master(pdev);
3122 pci_set_master(pdev);
3123 3749
3124 pci_enable_wake(pdev, 3, 0); 3750 pci_enable_wake(pdev, 3, 0);
3125 pci_enable_wake(pdev, 4, 0); /* 4 == D3 cold */ 3751 pci_enable_wake(pdev, 4, 0); /* 4 == D3 cold */
@@ -3139,10 +3765,19 @@ e1000_resume(struct pci_dev *pdev)
3139 E1000_WRITE_REG(&adapter->hw, MANC, manc); 3765 E1000_WRITE_REG(&adapter->hw, MANC, manc);
3140 } 3766 }
3141 3767
3768 switch(adapter->hw.mac_type) {
3769 case e1000_82573:
3770 swsm = E1000_READ_REG(&adapter->hw, SWSM);
3771 E1000_WRITE_REG(&adapter->hw, SWSM,
3772 swsm | E1000_SWSM_DRV_LOAD);
3773 break;
3774 default:
3775 break;
3776 }
3777
3142 return 0; 3778 return 0;
3143} 3779}
3144#endif 3780#endif
3145
3146#ifdef CONFIG_NET_POLL_CONTROLLER 3781#ifdef CONFIG_NET_POLL_CONTROLLER
3147/* 3782/*
3148 * Polling 'interrupt' - used by things like netconsole to send skbs 3783 * Polling 'interrupt' - used by things like netconsole to send skbs
@@ -3150,7 +3785,7 @@ e1000_resume(struct pci_dev *pdev)
3150 * the interrupt routine is executing. 3785 * the interrupt routine is executing.
3151 */ 3786 */
3152static void 3787static void
3153e1000_netpoll (struct net_device *netdev) 3788e1000_netpoll(struct net_device *netdev)
3154{ 3789{
3155 struct e1000_adapter *adapter = netdev->priv; 3790 struct e1000_adapter *adapter = netdev->priv;
3156 disable_irq(adapter->pdev->irq); 3791 disable_irq(adapter->pdev->irq);
generated by cgit v1.2.2 (git 2.25.0) at 2026-01-07 10:44:42 -0500