diff options
Diffstat (limited to 'drivers/net/ixgbe/ixgbe_main.c')
-rw-r--r-- | drivers/net/ixgbe/ixgbe_main.c | 68 |
1 files changed, 32 insertions, 36 deletions
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c index 7548fb7360d9..5236f633ee36 100644 --- a/drivers/net/ixgbe/ixgbe_main.c +++ b/drivers/net/ixgbe/ixgbe_main.c | |||
@@ -1287,13 +1287,39 @@ static void ixgbe_set_itr(struct ixgbe_adapter *adapter) | |||
1287 | return; | 1287 | return; |
1288 | } | 1288 | } |
1289 | 1289 | ||
1290 | static inline void ixgbe_irq_enable(struct ixgbe_adapter *adapter); | 1290 | /** |
1291 | * ixgbe_irq_disable - Mask off interrupt generation on the NIC | ||
1292 | * @adapter: board private structure | ||
1293 | **/ | ||
1294 | static inline void ixgbe_irq_disable(struct ixgbe_adapter *adapter) | ||
1295 | { | ||
1296 | IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, ~0); | ||
1297 | IXGBE_WRITE_FLUSH(&adapter->hw); | ||
1298 | if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) { | ||
1299 | int i; | ||
1300 | for (i = 0; i < adapter->num_msix_vectors; i++) | ||
1301 | synchronize_irq(adapter->msix_entries[i].vector); | ||
1302 | } else { | ||
1303 | synchronize_irq(adapter->pdev->irq); | ||
1304 | } | ||
1305 | } | ||
1306 | |||
1307 | /** | ||
1308 | * ixgbe_irq_enable - Enable default interrupt generation settings | ||
1309 | * @adapter: board private structure | ||
1310 | **/ | ||
1311 | static inline void ixgbe_irq_enable(struct ixgbe_adapter *adapter) | ||
1312 | { | ||
1313 | u32 mask; | ||
1314 | mask = IXGBE_EIMS_ENABLE_MASK; | ||
1315 | IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMS, mask); | ||
1316 | IXGBE_WRITE_FLUSH(&adapter->hw); | ||
1317 | } | ||
1291 | 1318 | ||
1292 | /** | 1319 | /** |
1293 | * ixgbe_intr - legacy mode Interrupt Handler | 1320 | * ixgbe_intr - legacy mode Interrupt Handler |
1294 | * @irq: interrupt number | 1321 | * @irq: interrupt number |
1295 | * @data: pointer to a network interface device structure | 1322 | * @data: pointer to a network interface device structure |
1296 | * @pt_regs: CPU registers structure | ||
1297 | **/ | 1323 | **/ |
1298 | static irqreturn_t ixgbe_intr(int irq, void *data) | 1324 | static irqreturn_t ixgbe_intr(int irq, void *data) |
1299 | { | 1325 | { |
@@ -1394,35 +1420,6 @@ static void ixgbe_free_irq(struct ixgbe_adapter *adapter) | |||
1394 | } | 1420 | } |
1395 | 1421 | ||
1396 | /** | 1422 | /** |
1397 | * ixgbe_irq_disable - Mask off interrupt generation on the NIC | ||
1398 | * @adapter: board private structure | ||
1399 | **/ | ||
1400 | static inline void ixgbe_irq_disable(struct ixgbe_adapter *adapter) | ||
1401 | { | ||
1402 | IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, ~0); | ||
1403 | IXGBE_WRITE_FLUSH(&adapter->hw); | ||
1404 | if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) { | ||
1405 | int i; | ||
1406 | for (i = 0; i < adapter->num_msix_vectors; i++) | ||
1407 | synchronize_irq(adapter->msix_entries[i].vector); | ||
1408 | } else { | ||
1409 | synchronize_irq(adapter->pdev->irq); | ||
1410 | } | ||
1411 | } | ||
1412 | |||
1413 | /** | ||
1414 | * ixgbe_irq_enable - Enable default interrupt generation settings | ||
1415 | * @adapter: board private structure | ||
1416 | **/ | ||
1417 | static inline void ixgbe_irq_enable(struct ixgbe_adapter *adapter) | ||
1418 | { | ||
1419 | u32 mask; | ||
1420 | mask = IXGBE_EIMS_ENABLE_MASK; | ||
1421 | IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMS, mask); | ||
1422 | IXGBE_WRITE_FLUSH(&adapter->hw); | ||
1423 | } | ||
1424 | |||
1425 | /** | ||
1426 | * ixgbe_configure_msi_and_legacy - Initialize PIN (INTA...) and MSI interrupts | 1423 | * ixgbe_configure_msi_and_legacy - Initialize PIN (INTA...) and MSI interrupts |
1427 | * | 1424 | * |
1428 | **/ | 1425 | **/ |
@@ -2332,7 +2329,7 @@ static void ixgbe_acquire_msix_vectors(struct ixgbe_adapter *adapter, | |||
2332 | * Once we know the feature-set enabled for the device, we'll cache | 2329 | * Once we know the feature-set enabled for the device, we'll cache |
2333 | * the register offset the descriptor ring is assigned to. | 2330 | * the register offset the descriptor ring is assigned to. |
2334 | **/ | 2331 | **/ |
2335 | static void __devinit ixgbe_cache_ring_register(struct ixgbe_adapter *adapter) | 2332 | static void ixgbe_cache_ring_register(struct ixgbe_adapter *adapter) |
2336 | { | 2333 | { |
2337 | int feature_mask = 0, rss_i; | 2334 | int feature_mask = 0, rss_i; |
2338 | int i, txr_idx, rxr_idx; | 2335 | int i, txr_idx, rxr_idx; |
@@ -2369,7 +2366,7 @@ static void __devinit ixgbe_cache_ring_register(struct ixgbe_adapter *adapter) | |||
2369 | * number of queues at compile-time. The polling_netdev array is | 2366 | * number of queues at compile-time. The polling_netdev array is |
2370 | * intended for Multiqueue, but should work fine with a single queue. | 2367 | * intended for Multiqueue, but should work fine with a single queue. |
2371 | **/ | 2368 | **/ |
2372 | static int __devinit ixgbe_alloc_queues(struct ixgbe_adapter *adapter) | 2369 | static int ixgbe_alloc_queues(struct ixgbe_adapter *adapter) |
2373 | { | 2370 | { |
2374 | int i; | 2371 | int i; |
2375 | 2372 | ||
@@ -2410,8 +2407,7 @@ err_tx_ring_allocation: | |||
2410 | * Attempt to configure the interrupts using the best available | 2407 | * Attempt to configure the interrupts using the best available |
2411 | * capabilities of the hardware and the kernel. | 2408 | * capabilities of the hardware and the kernel. |
2412 | **/ | 2409 | **/ |
2413 | static int __devinit ixgbe_set_interrupt_capability(struct ixgbe_adapter | 2410 | static int ixgbe_set_interrupt_capability(struct ixgbe_adapter *adapter) |
2414 | *adapter) | ||
2415 | { | 2411 | { |
2416 | int err = 0; | 2412 | int err = 0; |
2417 | int vector, v_budget; | 2413 | int vector, v_budget; |
@@ -2503,7 +2499,7 @@ static void ixgbe_reset_interrupt_capability(struct ixgbe_adapter *adapter) | |||
2503 | * - Hardware queue count (num_*_queues) | 2499 | * - Hardware queue count (num_*_queues) |
2504 | * - defined by miscellaneous hardware support/features (RSS, etc.) | 2500 | * - defined by miscellaneous hardware support/features (RSS, etc.) |
2505 | **/ | 2501 | **/ |
2506 | static int __devinit ixgbe_init_interrupt_scheme(struct ixgbe_adapter *adapter) | 2502 | static int ixgbe_init_interrupt_scheme(struct ixgbe_adapter *adapter) |
2507 | { | 2503 | { |
2508 | int err; | 2504 | int err; |
2509 | 2505 | ||