diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/net/igb/igb.h | 13 | ||||
-rw-r--r-- | drivers/net/igb/igb_ethtool.c | 12 | ||||
-rw-r--r-- | drivers/net/igb/igb_main.c | 92 |
3 files changed, 81 insertions, 36 deletions
diff --git a/drivers/net/igb/igb.h b/drivers/net/igb/igb.h index d4a042344728..ee08010d2c4f 100644 --- a/drivers/net/igb/igb.h +++ b/drivers/net/igb/igb.h | |||
@@ -270,10 +270,7 @@ struct igb_adapter { | |||
270 | 270 | ||
271 | /* to not mess up cache alignment, always add to the bottom */ | 271 | /* to not mess up cache alignment, always add to the bottom */ |
272 | unsigned long state; | 272 | unsigned long state; |
273 | unsigned int msi_enabled; | 273 | unsigned int flags; |
274 | #ifdef CONFIG_DCA | ||
275 | unsigned int dca_enabled; | ||
276 | #endif | ||
277 | u32 eeprom_wol; | 274 | u32 eeprom_wol; |
278 | 275 | ||
279 | /* for ioport free */ | 276 | /* for ioport free */ |
@@ -285,6 +282,14 @@ struct igb_adapter { | |||
285 | #endif /* CONFIG_NETDEVICES_MULTIQUEUE */ | 282 | #endif /* CONFIG_NETDEVICES_MULTIQUEUE */ |
286 | }; | 283 | }; |
287 | 284 | ||
285 | #define IGB_FLAG_HAS_MSI (1 << 0) | ||
286 | #define IGB_FLAG_MSI_ENABLE (1 << 1) | ||
287 | #define IGB_FLAG_HAS_DCA (1 << 2) | ||
288 | #define IGB_FLAG_DCA_ENABLED (1 << 3) | ||
289 | #define IGB_FLAG_IN_NETPOLL (1 << 5) | ||
290 | #define IGB_FLAG_QUAD_PORT_A (1 << 6) | ||
291 | #define IGB_FLAG_NEED_CTX_IDX (1 << 7) | ||
292 | |||
288 | enum e1000_state_t { | 293 | enum e1000_state_t { |
289 | __IGB_TESTING, | 294 | __IGB_TESTING, |
290 | __IGB_RESETTING, | 295 | __IGB_RESETTING, |
diff --git a/drivers/net/igb/igb_ethtool.c b/drivers/net/igb/igb_ethtool.c index e27d5a533b4f..ef209b5cd390 100644 --- a/drivers/net/igb/igb_ethtool.c +++ b/drivers/net/igb/igb_ethtool.c | |||
@@ -1097,7 +1097,7 @@ static int igb_intr_test(struct igb_adapter *adapter, u64 *data) | |||
1097 | if (adapter->msix_entries) { | 1097 | if (adapter->msix_entries) { |
1098 | /* NOTE: we don't test MSI-X interrupts here, yet */ | 1098 | /* NOTE: we don't test MSI-X interrupts here, yet */ |
1099 | return 0; | 1099 | return 0; |
1100 | } else if (adapter->msi_enabled) { | 1100 | } else if (adapter->flags & IGB_FLAG_HAS_MSI) { |
1101 | shared_int = false; | 1101 | shared_int = false; |
1102 | if (request_irq(irq, &igb_test_intr, 0, netdev->name, netdev)) { | 1102 | if (request_irq(irq, &igb_test_intr, 0, netdev->name, netdev)) { |
1103 | *data = 1; | 1103 | *data = 1; |
@@ -1727,7 +1727,6 @@ static int igb_wol_exclusion(struct igb_adapter *adapter, | |||
1727 | 1727 | ||
1728 | switch (hw->device_id) { | 1728 | switch (hw->device_id) { |
1729 | case E1000_DEV_ID_82575GB_QUAD_COPPER: | 1729 | case E1000_DEV_ID_82575GB_QUAD_COPPER: |
1730 | case E1000_DEV_ID_82576_QUAD_COPPER: | ||
1731 | /* WoL not supported */ | 1730 | /* WoL not supported */ |
1732 | wol->supported = 0; | 1731 | wol->supported = 0; |
1733 | break; | 1732 | break; |
@@ -1742,6 +1741,15 @@ static int igb_wol_exclusion(struct igb_adapter *adapter, | |||
1742 | /* return success for non excluded adapter ports */ | 1741 | /* return success for non excluded adapter ports */ |
1743 | retval = 0; | 1742 | retval = 0; |
1744 | break; | 1743 | break; |
1744 | case E1000_DEV_ID_82576_QUAD_COPPER: | ||
1745 | /* quad port adapters only support WoL on port A */ | ||
1746 | if (!(adapter->flags & IGB_FLAG_QUAD_PORT_A)) { | ||
1747 | wol->supported = 0; | ||
1748 | break; | ||
1749 | } | ||
1750 | /* return success for non excluded adapter ports */ | ||
1751 | retval = 0; | ||
1752 | break; | ||
1745 | default: | 1753 | default: |
1746 | /* dual port cards only support WoL on port A from now on | 1754 | /* dual port cards only support WoL on port A from now on |
1747 | * unless it was enabled in the eeprom for port B | 1755 | * unless it was enabled in the eeprom for port B |
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c index ba043c4e1ca2..68a4fef3df9a 100644 --- a/drivers/net/igb/igb_main.c +++ b/drivers/net/igb/igb_main.c | |||
@@ -53,7 +53,6 @@ static const char igb_driver_string[] = | |||
53 | "Intel(R) Gigabit Ethernet Network Driver"; | 53 | "Intel(R) Gigabit Ethernet Network Driver"; |
54 | static const char igb_copyright[] = "Copyright (c) 2008 Intel Corporation."; | 54 | static const char igb_copyright[] = "Copyright (c) 2008 Intel Corporation."; |
55 | 55 | ||
56 | |||
57 | static const struct e1000_info *igb_info_tbl[] = { | 56 | static const struct e1000_info *igb_info_tbl[] = { |
58 | [board_82575] = &e1000_82575_info, | 57 | [board_82575] = &e1000_82575_info, |
59 | }; | 58 | }; |
@@ -170,6 +169,8 @@ static struct pci_driver igb_driver = { | |||
170 | .err_handler = &igb_err_handler | 169 | .err_handler = &igb_err_handler |
171 | }; | 170 | }; |
172 | 171 | ||
172 | static int global_quad_port_a; /* global quad port a indication */ | ||
173 | |||
173 | MODULE_AUTHOR("Intel Corporation, <e1000-devel@lists.sourceforge.net>"); | 174 | MODULE_AUTHOR("Intel Corporation, <e1000-devel@lists.sourceforge.net>"); |
174 | MODULE_DESCRIPTION("Intel(R) Gigabit Ethernet Network Driver"); | 175 | MODULE_DESCRIPTION("Intel(R) Gigabit Ethernet Network Driver"); |
175 | MODULE_LICENSE("GPL"); | 176 | MODULE_LICENSE("GPL"); |
@@ -201,6 +202,8 @@ static int __init igb_init_module(void) | |||
201 | 202 | ||
202 | printk(KERN_INFO "%s\n", igb_copyright); | 203 | printk(KERN_INFO "%s\n", igb_copyright); |
203 | 204 | ||
205 | global_quad_port_a = 0; | ||
206 | |||
204 | ret = pci_register_driver(&igb_driver); | 207 | ret = pci_register_driver(&igb_driver); |
205 | #ifdef CONFIG_DCA | 208 | #ifdef CONFIG_DCA |
206 | dca_register_notify(&dca_notifier); | 209 | dca_register_notify(&dca_notifier); |
@@ -471,7 +474,7 @@ static void igb_reset_interrupt_capability(struct igb_adapter *adapter) | |||
471 | pci_disable_msix(adapter->pdev); | 474 | pci_disable_msix(adapter->pdev); |
472 | kfree(adapter->msix_entries); | 475 | kfree(adapter->msix_entries); |
473 | adapter->msix_entries = NULL; | 476 | adapter->msix_entries = NULL; |
474 | } else if (adapter->msi_enabled) | 477 | } else if (adapter->flags & IGB_FLAG_HAS_MSI) |
475 | pci_disable_msi(adapter->pdev); | 478 | pci_disable_msi(adapter->pdev); |
476 | return; | 479 | return; |
477 | } | 480 | } |
@@ -510,7 +513,7 @@ msi_only: | |||
510 | adapter->num_rx_queues = 1; | 513 | adapter->num_rx_queues = 1; |
511 | adapter->num_tx_queues = 1; | 514 | adapter->num_tx_queues = 1; |
512 | if (!pci_enable_msi(adapter->pdev)) | 515 | if (!pci_enable_msi(adapter->pdev)) |
513 | adapter->msi_enabled = 1; | 516 | adapter->flags |= IGB_FLAG_HAS_MSI; |
514 | 517 | ||
515 | #ifdef CONFIG_NETDEVICES_MULTIQUEUE | 518 | #ifdef CONFIG_NETDEVICES_MULTIQUEUE |
516 | /* Notify the stack of the (possibly) reduced Tx Queue count. */ | 519 | /* Notify the stack of the (possibly) reduced Tx Queue count. */ |
@@ -538,7 +541,7 @@ static int igb_request_irq(struct igb_adapter *adapter) | |||
538 | /* fall back to MSI */ | 541 | /* fall back to MSI */ |
539 | igb_reset_interrupt_capability(adapter); | 542 | igb_reset_interrupt_capability(adapter); |
540 | if (!pci_enable_msi(adapter->pdev)) | 543 | if (!pci_enable_msi(adapter->pdev)) |
541 | adapter->msi_enabled = 1; | 544 | adapter->flags |= IGB_FLAG_HAS_MSI; |
542 | igb_free_all_tx_resources(adapter); | 545 | igb_free_all_tx_resources(adapter); |
543 | igb_free_all_rx_resources(adapter); | 546 | igb_free_all_rx_resources(adapter); |
544 | adapter->num_rx_queues = 1; | 547 | adapter->num_rx_queues = 1; |
@@ -557,14 +560,14 @@ static int igb_request_irq(struct igb_adapter *adapter) | |||
557 | } | 560 | } |
558 | } | 561 | } |
559 | 562 | ||
560 | if (adapter->msi_enabled) { | 563 | if (adapter->flags & IGB_FLAG_HAS_MSI) { |
561 | err = request_irq(adapter->pdev->irq, &igb_intr_msi, 0, | 564 | err = request_irq(adapter->pdev->irq, &igb_intr_msi, 0, |
562 | netdev->name, netdev); | 565 | netdev->name, netdev); |
563 | if (!err) | 566 | if (!err) |
564 | goto request_done; | 567 | goto request_done; |
565 | /* fall back to legacy interrupts */ | 568 | /* fall back to legacy interrupts */ |
566 | igb_reset_interrupt_capability(adapter); | 569 | igb_reset_interrupt_capability(adapter); |
567 | adapter->msi_enabled = 0; | 570 | adapter->flags &= ~IGB_FLAG_HAS_MSI; |
568 | } | 571 | } |
569 | 572 | ||
570 | err = request_irq(adapter->pdev->irq, &igb_intr, IRQF_SHARED, | 573 | err = request_irq(adapter->pdev->irq, &igb_intr, IRQF_SHARED, |
@@ -1097,6 +1100,17 @@ static int __devinit igb_probe(struct pci_dev *pdev, | |||
1097 | 1100 | ||
1098 | igb_get_bus_info_pcie(hw); | 1101 | igb_get_bus_info_pcie(hw); |
1099 | 1102 | ||
1103 | /* set flags */ | ||
1104 | switch (hw->mac.type) { | ||
1105 | case e1000_82576: | ||
1106 | case e1000_82575: | ||
1107 | adapter->flags |= IGB_FLAG_HAS_DCA; | ||
1108 | adapter->flags |= IGB_FLAG_NEED_CTX_IDX; | ||
1109 | break; | ||
1110 | default: | ||
1111 | break; | ||
1112 | } | ||
1113 | |||
1100 | hw->phy.autoneg_wait_to_complete = false; | 1114 | hw->phy.autoneg_wait_to_complete = false; |
1101 | hw->mac.adaptive_ifs = true; | 1115 | hw->mac.adaptive_ifs = true; |
1102 | 1116 | ||
@@ -1209,7 +1223,6 @@ static int __devinit igb_probe(struct pci_dev *pdev, | |||
1209 | * lan on a particular port */ | 1223 | * lan on a particular port */ |
1210 | switch (pdev->device) { | 1224 | switch (pdev->device) { |
1211 | case E1000_DEV_ID_82575GB_QUAD_COPPER: | 1225 | case E1000_DEV_ID_82575GB_QUAD_COPPER: |
1212 | case E1000_DEV_ID_82576_QUAD_COPPER: | ||
1213 | adapter->eeprom_wol = 0; | 1226 | adapter->eeprom_wol = 0; |
1214 | break; | 1227 | break; |
1215 | case E1000_DEV_ID_82575EB_FIBER_SERDES: | 1228 | case E1000_DEV_ID_82575EB_FIBER_SERDES: |
@@ -1220,6 +1233,16 @@ static int __devinit igb_probe(struct pci_dev *pdev, | |||
1220 | if (rd32(E1000_STATUS) & E1000_STATUS_FUNC_1) | 1233 | if (rd32(E1000_STATUS) & E1000_STATUS_FUNC_1) |
1221 | adapter->eeprom_wol = 0; | 1234 | adapter->eeprom_wol = 0; |
1222 | break; | 1235 | break; |
1236 | case E1000_DEV_ID_82576_QUAD_COPPER: | ||
1237 | /* if quad port adapter, disable WoL on all but port A */ | ||
1238 | if (global_quad_port_a != 0) | ||
1239 | adapter->eeprom_wol = 0; | ||
1240 | else | ||
1241 | adapter->flags |= IGB_FLAG_QUAD_PORT_A; | ||
1242 | /* Reset for multiple quad port adapters */ | ||
1243 | if (++global_quad_port_a == 4) | ||
1244 | global_quad_port_a = 0; | ||
1245 | break; | ||
1223 | } | 1246 | } |
1224 | 1247 | ||
1225 | /* initialize the wol settings based on the eeprom settings */ | 1248 | /* initialize the wol settings based on the eeprom settings */ |
@@ -1246,8 +1269,9 @@ static int __devinit igb_probe(struct pci_dev *pdev, | |||
1246 | goto err_register; | 1269 | goto err_register; |
1247 | 1270 | ||
1248 | #ifdef CONFIG_DCA | 1271 | #ifdef CONFIG_DCA |
1249 | if (dca_add_requester(&pdev->dev) == 0) { | 1272 | if ((adapter->flags & IGB_FLAG_HAS_DCA) && |
1250 | adapter->dca_enabled = true; | 1273 | (dca_add_requester(&pdev->dev) == 0)) { |
1274 | adapter->flags |= IGB_FLAG_DCA_ENABLED; | ||
1251 | dev_info(&pdev->dev, "DCA enabled\n"); | 1275 | dev_info(&pdev->dev, "DCA enabled\n"); |
1252 | /* Always use CB2 mode, difference is masked | 1276 | /* Always use CB2 mode, difference is masked |
1253 | * in the CB driver. */ | 1277 | * in the CB driver. */ |
@@ -1276,7 +1300,7 @@ static int __devinit igb_probe(struct pci_dev *pdev, | |||
1276 | dev_info(&pdev->dev, | 1300 | dev_info(&pdev->dev, |
1277 | "Using %s interrupts. %d rx queue(s), %d tx queue(s)\n", | 1301 | "Using %s interrupts. %d rx queue(s), %d tx queue(s)\n", |
1278 | adapter->msix_entries ? "MSI-X" : | 1302 | adapter->msix_entries ? "MSI-X" : |
1279 | adapter->msi_enabled ? "MSI" : "legacy", | 1303 | (adapter->flags & IGB_FLAG_HAS_MSI) ? "MSI" : "legacy", |
1280 | adapter->num_rx_queues, adapter->num_tx_queues); | 1304 | adapter->num_rx_queues, adapter->num_tx_queues); |
1281 | 1305 | ||
1282 | return 0; | 1306 | return 0; |
@@ -1330,10 +1354,10 @@ static void __devexit igb_remove(struct pci_dev *pdev) | |||
1330 | flush_scheduled_work(); | 1354 | flush_scheduled_work(); |
1331 | 1355 | ||
1332 | #ifdef CONFIG_DCA | 1356 | #ifdef CONFIG_DCA |
1333 | if (adapter->dca_enabled) { | 1357 | if (adapter->flags & IGB_FLAG_DCA_ENABLED) { |
1334 | dev_info(&pdev->dev, "DCA disabled\n"); | 1358 | dev_info(&pdev->dev, "DCA disabled\n"); |
1335 | dca_remove_requester(&pdev->dev); | 1359 | dca_remove_requester(&pdev->dev); |
1336 | adapter->dca_enabled = false; | 1360 | adapter->flags &= ~IGB_FLAG_DCA_ENABLED; |
1337 | wr32(E1000_DCA_CTRL, 1); | 1361 | wr32(E1000_DCA_CTRL, 1); |
1338 | } | 1362 | } |
1339 | #endif | 1363 | #endif |
@@ -2650,9 +2674,9 @@ static inline int igb_tso_adv(struct igb_adapter *adapter, | |||
2650 | mss_l4len_idx = (skb_shinfo(skb)->gso_size << E1000_ADVTXD_MSS_SHIFT); | 2674 | mss_l4len_idx = (skb_shinfo(skb)->gso_size << E1000_ADVTXD_MSS_SHIFT); |
2651 | mss_l4len_idx |= (l4len << E1000_ADVTXD_L4LEN_SHIFT); | 2675 | mss_l4len_idx |= (l4len << E1000_ADVTXD_L4LEN_SHIFT); |
2652 | 2676 | ||
2653 | /* Context index must be unique per ring. Luckily, so is the interrupt | 2677 | /* Context index must be unique per ring. */ |
2654 | * mask value. */ | 2678 | if (adapter->flags & IGB_FLAG_NEED_CTX_IDX) |
2655 | mss_l4len_idx |= tx_ring->eims_value >> 4; | 2679 | mss_l4len_idx |= tx_ring->queue_index << 4; |
2656 | 2680 | ||
2657 | context_desc->mss_l4len_idx = cpu_to_le32(mss_l4len_idx); | 2681 | context_desc->mss_l4len_idx = cpu_to_le32(mss_l4len_idx); |
2658 | context_desc->seqnum_seed = 0; | 2682 | context_desc->seqnum_seed = 0; |
@@ -2716,8 +2740,9 @@ static inline bool igb_tx_csum_adv(struct igb_adapter *adapter, | |||
2716 | 2740 | ||
2717 | context_desc->type_tucmd_mlhl = cpu_to_le32(tu_cmd); | 2741 | context_desc->type_tucmd_mlhl = cpu_to_le32(tu_cmd); |
2718 | context_desc->seqnum_seed = 0; | 2742 | context_desc->seqnum_seed = 0; |
2719 | context_desc->mss_l4len_idx = | 2743 | if (adapter->flags & IGB_FLAG_NEED_CTX_IDX) |
2720 | cpu_to_le32(tx_ring->queue_index << 4); | 2744 | context_desc->mss_l4len_idx = |
2745 | cpu_to_le32(tx_ring->queue_index << 4); | ||
2721 | 2746 | ||
2722 | buffer_info->time_stamp = jiffies; | 2747 | buffer_info->time_stamp = jiffies; |
2723 | buffer_info->dma = 0; | 2748 | buffer_info->dma = 0; |
@@ -2818,8 +2843,9 @@ static inline void igb_tx_queue_adv(struct igb_adapter *adapter, | |||
2818 | olinfo_status |= E1000_TXD_POPTS_TXSM << 8; | 2843 | olinfo_status |= E1000_TXD_POPTS_TXSM << 8; |
2819 | } | 2844 | } |
2820 | 2845 | ||
2821 | if (tx_flags & (IGB_TX_FLAGS_CSUM | IGB_TX_FLAGS_TSO | | 2846 | if ((adapter->flags & IGB_FLAG_NEED_CTX_IDX) && |
2822 | IGB_TX_FLAGS_VLAN)) | 2847 | (tx_flags & (IGB_TX_FLAGS_CSUM | IGB_TX_FLAGS_TSO | |
2848 | IGB_TX_FLAGS_VLAN))) | ||
2823 | olinfo_status |= tx_ring->queue_index << 4; | 2849 | olinfo_status |= tx_ring->queue_index << 4; |
2824 | 2850 | ||
2825 | olinfo_status |= ((paylen - hdr_len) << E1000_ADVTXD_PAYLEN_SHIFT); | 2851 | olinfo_status |= ((paylen - hdr_len) << E1000_ADVTXD_PAYLEN_SHIFT); |
@@ -3255,7 +3281,7 @@ static irqreturn_t igb_msix_tx(int irq, void *data) | |||
3255 | if (!tx_ring->itr_val) | 3281 | if (!tx_ring->itr_val) |
3256 | wr32(E1000_EIMC, tx_ring->eims_value); | 3282 | wr32(E1000_EIMC, tx_ring->eims_value); |
3257 | #ifdef CONFIG_DCA | 3283 | #ifdef CONFIG_DCA |
3258 | if (adapter->dca_enabled) | 3284 | if (adapter->flags & IGB_FLAG_DCA_ENABLED) |
3259 | igb_update_tx_dca(tx_ring); | 3285 | igb_update_tx_dca(tx_ring); |
3260 | #endif | 3286 | #endif |
3261 | tx_ring->total_bytes = 0; | 3287 | tx_ring->total_bytes = 0; |
@@ -3292,7 +3318,7 @@ static irqreturn_t igb_msix_rx(int irq, void *data) | |||
3292 | __netif_rx_schedule(adapter->netdev, &rx_ring->napi); | 3318 | __netif_rx_schedule(adapter->netdev, &rx_ring->napi); |
3293 | 3319 | ||
3294 | #ifdef CONFIG_DCA | 3320 | #ifdef CONFIG_DCA |
3295 | if (adapter->dca_enabled) | 3321 | if (adapter->flags & IGB_FLAG_DCA_ENABLED) |
3296 | igb_update_rx_dca(rx_ring); | 3322 | igb_update_rx_dca(rx_ring); |
3297 | #endif | 3323 | #endif |
3298 | return IRQ_HANDLED; | 3324 | return IRQ_HANDLED; |
@@ -3355,7 +3381,7 @@ static void igb_setup_dca(struct igb_adapter *adapter) | |||
3355 | { | 3381 | { |
3356 | int i; | 3382 | int i; |
3357 | 3383 | ||
3358 | if (!(adapter->dca_enabled)) | 3384 | if (!(adapter->flags & IGB_FLAG_DCA_ENABLED)) |
3359 | return; | 3385 | return; |
3360 | 3386 | ||
3361 | for (i = 0; i < adapter->num_tx_queues; i++) { | 3387 | for (i = 0; i < adapter->num_tx_queues; i++) { |
@@ -3375,12 +3401,15 @@ static int __igb_notify_dca(struct device *dev, void *data) | |||
3375 | struct e1000_hw *hw = &adapter->hw; | 3401 | struct e1000_hw *hw = &adapter->hw; |
3376 | unsigned long event = *(unsigned long *)data; | 3402 | unsigned long event = *(unsigned long *)data; |
3377 | 3403 | ||
3404 | if (!(adapter->flags & IGB_FLAG_HAS_DCA)) | ||
3405 | goto out; | ||
3406 | |||
3378 | switch (event) { | 3407 | switch (event) { |
3379 | case DCA_PROVIDER_ADD: | 3408 | case DCA_PROVIDER_ADD: |
3380 | /* if already enabled, don't do it again */ | 3409 | /* if already enabled, don't do it again */ |
3381 | if (adapter->dca_enabled) | 3410 | if (adapter->flags & IGB_FLAG_DCA_ENABLED) |
3382 | break; | 3411 | break; |
3383 | adapter->dca_enabled = true; | 3412 | adapter->flags |= IGB_FLAG_DCA_ENABLED; |
3384 | /* Always use CB2 mode, difference is masked | 3413 | /* Always use CB2 mode, difference is masked |
3385 | * in the CB driver. */ | 3414 | * in the CB driver. */ |
3386 | wr32(E1000_DCA_CTRL, 2); | 3415 | wr32(E1000_DCA_CTRL, 2); |
@@ -3391,17 +3420,17 @@ static int __igb_notify_dca(struct device *dev, void *data) | |||
3391 | } | 3420 | } |
3392 | /* Fall Through since DCA is disabled. */ | 3421 | /* Fall Through since DCA is disabled. */ |
3393 | case DCA_PROVIDER_REMOVE: | 3422 | case DCA_PROVIDER_REMOVE: |
3394 | if (adapter->dca_enabled) { | 3423 | if (adapter->flags & IGB_FLAG_DCA_ENABLED) { |
3395 | /* without this a class_device is left | 3424 | /* without this a class_device is left |
3396 | * hanging around in the sysfs model */ | 3425 | * hanging around in the sysfs model */ |
3397 | dca_remove_requester(dev); | 3426 | dca_remove_requester(dev); |
3398 | dev_info(&adapter->pdev->dev, "DCA disabled\n"); | 3427 | dev_info(&adapter->pdev->dev, "DCA disabled\n"); |
3399 | adapter->dca_enabled = false; | 3428 | adapter->flags &= ~IGB_FLAG_DCA_ENABLED; |
3400 | wr32(E1000_DCA_CTRL, 1); | 3429 | wr32(E1000_DCA_CTRL, 1); |
3401 | } | 3430 | } |
3402 | break; | 3431 | break; |
3403 | } | 3432 | } |
3404 | 3433 | out: | |
3405 | return 0; | 3434 | return 0; |
3406 | } | 3435 | } |
3407 | 3436 | ||
@@ -3507,13 +3536,13 @@ static int igb_poll(struct napi_struct *napi, int budget) | |||
3507 | 3536 | ||
3508 | /* this poll routine only supports one tx and one rx queue */ | 3537 | /* this poll routine only supports one tx and one rx queue */ |
3509 | #ifdef CONFIG_DCA | 3538 | #ifdef CONFIG_DCA |
3510 | if (adapter->dca_enabled) | 3539 | if (adapter->flags & IGB_FLAG_DCA_ENABLED) |
3511 | igb_update_tx_dca(&adapter->tx_ring[0]); | 3540 | igb_update_tx_dca(&adapter->tx_ring[0]); |
3512 | #endif | 3541 | #endif |
3513 | tx_clean_complete = igb_clean_tx_irq(&adapter->tx_ring[0]); | 3542 | tx_clean_complete = igb_clean_tx_irq(&adapter->tx_ring[0]); |
3514 | 3543 | ||
3515 | #ifdef CONFIG_DCA | 3544 | #ifdef CONFIG_DCA |
3516 | if (adapter->dca_enabled) | 3545 | if (adapter->flags & IGB_FLAG_DCA_ENABLED) |
3517 | igb_update_rx_dca(&adapter->rx_ring[0]); | 3546 | igb_update_rx_dca(&adapter->rx_ring[0]); |
3518 | #endif | 3547 | #endif |
3519 | igb_clean_rx_irq_adv(&adapter->rx_ring[0], &work_done, budget); | 3548 | igb_clean_rx_irq_adv(&adapter->rx_ring[0], &work_done, budget); |
@@ -3545,7 +3574,7 @@ static int igb_clean_rx_ring_msix(struct napi_struct *napi, int budget) | |||
3545 | goto quit_polling; | 3574 | goto quit_polling; |
3546 | 3575 | ||
3547 | #ifdef CONFIG_DCA | 3576 | #ifdef CONFIG_DCA |
3548 | if (adapter->dca_enabled) | 3577 | if (adapter->flags & IGB_FLAG_DCA_ENABLED) |
3549 | igb_update_rx_dca(rx_ring); | 3578 | igb_update_rx_dca(rx_ring); |
3550 | #endif | 3579 | #endif |
3551 | igb_clean_rx_irq_adv(rx_ring, &work_done, budget); | 3580 | igb_clean_rx_irq_adv(rx_ring, &work_done, budget); |
@@ -4350,6 +4379,8 @@ static void igb_netpoll(struct net_device *netdev) | |||
4350 | int work_done = 0; | 4379 | int work_done = 0; |
4351 | 4380 | ||
4352 | igb_irq_disable(adapter); | 4381 | igb_irq_disable(adapter); |
4382 | adapter->flags |= IGB_FLAG_IN_NETPOLL; | ||
4383 | |||
4353 | for (i = 0; i < adapter->num_tx_queues; i++) | 4384 | for (i = 0; i < adapter->num_tx_queues; i++) |
4354 | igb_clean_tx_irq(&adapter->tx_ring[i]); | 4385 | igb_clean_tx_irq(&adapter->tx_ring[i]); |
4355 | 4386 | ||
@@ -4358,6 +4389,7 @@ static void igb_netpoll(struct net_device *netdev) | |||
4358 | &work_done, | 4389 | &work_done, |
4359 | adapter->rx_ring[i].napi.weight); | 4390 | adapter->rx_ring[i].napi.weight); |
4360 | 4391 | ||
4392 | adapter->flags &= ~IGB_FLAG_IN_NETPOLL; | ||
4361 | igb_irq_enable(adapter); | 4393 | igb_irq_enable(adapter); |
4362 | } | 4394 | } |
4363 | #endif /* CONFIG_NET_POLL_CONTROLLER */ | 4395 | #endif /* CONFIG_NET_POLL_CONTROLLER */ |