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path: root/drivers/net/ixgbe/ixgbe_main.c
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Diffstat (limited to 'drivers/net/ixgbe/ixgbe_main.c')
-rw-r--r--drivers/net/ixgbe/ixgbe_main.c68
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
1290static 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 **/
1294static 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 **/
1311static 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 **/
1298static irqreturn_t ixgbe_intr(int irq, void *data) 1324static 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 **/
1400static 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 **/
1417static 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 **/
2335static void __devinit ixgbe_cache_ring_register(struct ixgbe_adapter *adapter) 2332static 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 **/
2372static int __devinit ixgbe_alloc_queues(struct ixgbe_adapter *adapter) 2369static 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 **/
2413static int __devinit ixgbe_set_interrupt_capability(struct ixgbe_adapter 2410static 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 **/
2506static int __devinit ixgbe_init_interrupt_scheme(struct ixgbe_adapter *adapter) 2502static int ixgbe_init_interrupt_scheme(struct ixgbe_adapter *adapter)
2507{ 2503{
2508 int err; 2504 int err;
2509 2505