diff options
Diffstat (limited to 'drivers/net/igb/igb_main.c')
-rw-r--r-- | drivers/net/igb/igb_main.c | 3273 |
1 files changed, 1789 insertions, 1484 deletions
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c index 714c3a4a44e..0cab5e2b089 100644 --- a/drivers/net/igb/igb_main.c +++ b/drivers/net/igb/igb_main.c | |||
@@ -63,6 +63,7 @@ static const struct e1000_info *igb_info_tbl[] = { | |||
63 | static struct pci_device_id igb_pci_tbl[] = { | 63 | static struct pci_device_id igb_pci_tbl[] = { |
64 | { PCI_VDEVICE(INTEL, E1000_DEV_ID_82576), board_82575 }, | 64 | { PCI_VDEVICE(INTEL, E1000_DEV_ID_82576), board_82575 }, |
65 | { PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_NS), board_82575 }, | 65 | { PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_NS), board_82575 }, |
66 | { PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_NS_SERDES), board_82575 }, | ||
66 | { PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_FIBER), board_82575 }, | 67 | { PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_FIBER), board_82575 }, |
67 | { PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_SERDES), board_82575 }, | 68 | { PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_SERDES), board_82575 }, |
68 | { PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_SERDES_QUAD), board_82575 }, | 69 | { PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_SERDES_QUAD), board_82575 }, |
@@ -81,6 +82,7 @@ static int igb_setup_all_tx_resources(struct igb_adapter *); | |||
81 | static int igb_setup_all_rx_resources(struct igb_adapter *); | 82 | static int igb_setup_all_rx_resources(struct igb_adapter *); |
82 | static void igb_free_all_tx_resources(struct igb_adapter *); | 83 | static void igb_free_all_tx_resources(struct igb_adapter *); |
83 | static void igb_free_all_rx_resources(struct igb_adapter *); | 84 | static void igb_free_all_rx_resources(struct igb_adapter *); |
85 | static void igb_setup_mrqc(struct igb_adapter *); | ||
84 | void igb_update_stats(struct igb_adapter *); | 86 | void igb_update_stats(struct igb_adapter *); |
85 | static int igb_probe(struct pci_dev *, const struct pci_device_id *); | 87 | static int igb_probe(struct pci_dev *, const struct pci_device_id *); |
86 | static void __devexit igb_remove(struct pci_dev *pdev); | 88 | static void __devexit igb_remove(struct pci_dev *pdev); |
@@ -89,7 +91,6 @@ static int igb_open(struct net_device *); | |||
89 | static int igb_close(struct net_device *); | 91 | static int igb_close(struct net_device *); |
90 | static void igb_configure_tx(struct igb_adapter *); | 92 | static void igb_configure_tx(struct igb_adapter *); |
91 | static void igb_configure_rx(struct igb_adapter *); | 93 | static void igb_configure_rx(struct igb_adapter *); |
92 | static void igb_setup_rctl(struct igb_adapter *); | ||
93 | static void igb_clean_all_tx_rings(struct igb_adapter *); | 94 | static void igb_clean_all_tx_rings(struct igb_adapter *); |
94 | static void igb_clean_all_rx_rings(struct igb_adapter *); | 95 | static void igb_clean_all_rx_rings(struct igb_adapter *); |
95 | static void igb_clean_tx_ring(struct igb_ring *); | 96 | static void igb_clean_tx_ring(struct igb_ring *); |
@@ -98,28 +99,22 @@ static void igb_set_rx_mode(struct net_device *); | |||
98 | static void igb_update_phy_info(unsigned long); | 99 | static void igb_update_phy_info(unsigned long); |
99 | static void igb_watchdog(unsigned long); | 100 | static void igb_watchdog(unsigned long); |
100 | static void igb_watchdog_task(struct work_struct *); | 101 | static void igb_watchdog_task(struct work_struct *); |
101 | static netdev_tx_t igb_xmit_frame_ring_adv(struct sk_buff *, | 102 | static netdev_tx_t igb_xmit_frame_adv(struct sk_buff *skb, struct net_device *); |
102 | struct net_device *, | ||
103 | struct igb_ring *); | ||
104 | static netdev_tx_t igb_xmit_frame_adv(struct sk_buff *skb, | ||
105 | struct net_device *); | ||
106 | static struct net_device_stats *igb_get_stats(struct net_device *); | 103 | static struct net_device_stats *igb_get_stats(struct net_device *); |
107 | static int igb_change_mtu(struct net_device *, int); | 104 | static int igb_change_mtu(struct net_device *, int); |
108 | static int igb_set_mac(struct net_device *, void *); | 105 | static int igb_set_mac(struct net_device *, void *); |
106 | static void igb_set_uta(struct igb_adapter *adapter); | ||
109 | static irqreturn_t igb_intr(int irq, void *); | 107 | static irqreturn_t igb_intr(int irq, void *); |
110 | static irqreturn_t igb_intr_msi(int irq, void *); | 108 | static irqreturn_t igb_intr_msi(int irq, void *); |
111 | static irqreturn_t igb_msix_other(int irq, void *); | 109 | static irqreturn_t igb_msix_other(int irq, void *); |
112 | static irqreturn_t igb_msix_rx(int irq, void *); | 110 | static irqreturn_t igb_msix_ring(int irq, void *); |
113 | static irqreturn_t igb_msix_tx(int irq, void *); | ||
114 | #ifdef CONFIG_IGB_DCA | 111 | #ifdef CONFIG_IGB_DCA |
115 | static void igb_update_rx_dca(struct igb_ring *); | 112 | static void igb_update_dca(struct igb_q_vector *); |
116 | static void igb_update_tx_dca(struct igb_ring *); | ||
117 | static void igb_setup_dca(struct igb_adapter *); | 113 | static void igb_setup_dca(struct igb_adapter *); |
118 | #endif /* CONFIG_IGB_DCA */ | 114 | #endif /* CONFIG_IGB_DCA */ |
119 | static bool igb_clean_tx_irq(struct igb_ring *); | 115 | static bool igb_clean_tx_irq(struct igb_q_vector *); |
120 | static int igb_poll(struct napi_struct *, int); | 116 | static int igb_poll(struct napi_struct *, int); |
121 | static bool igb_clean_rx_irq_adv(struct igb_ring *, int *, int); | 117 | static bool igb_clean_rx_irq_adv(struct igb_q_vector *, int *, int); |
122 | static void igb_alloc_rx_buffers_adv(struct igb_ring *, int); | ||
123 | static int igb_ioctl(struct net_device *, struct ifreq *, int cmd); | 118 | static int igb_ioctl(struct net_device *, struct ifreq *, int cmd); |
124 | static void igb_tx_timeout(struct net_device *); | 119 | static void igb_tx_timeout(struct net_device *); |
125 | static void igb_reset_task(struct work_struct *); | 120 | static void igb_reset_task(struct work_struct *); |
@@ -127,57 +122,13 @@ static void igb_vlan_rx_register(struct net_device *, struct vlan_group *); | |||
127 | static void igb_vlan_rx_add_vid(struct net_device *, u16); | 122 | static void igb_vlan_rx_add_vid(struct net_device *, u16); |
128 | static void igb_vlan_rx_kill_vid(struct net_device *, u16); | 123 | static void igb_vlan_rx_kill_vid(struct net_device *, u16); |
129 | static void igb_restore_vlan(struct igb_adapter *); | 124 | static void igb_restore_vlan(struct igb_adapter *); |
125 | static void igb_rar_set_qsel(struct igb_adapter *, u8 *, u32 , u8); | ||
130 | static void igb_ping_all_vfs(struct igb_adapter *); | 126 | static void igb_ping_all_vfs(struct igb_adapter *); |
131 | static void igb_msg_task(struct igb_adapter *); | 127 | static void igb_msg_task(struct igb_adapter *); |
132 | static int igb_rcv_msg_from_vf(struct igb_adapter *, u32); | ||
133 | static inline void igb_set_rah_pool(struct e1000_hw *, int , int); | ||
134 | static void igb_vmm_control(struct igb_adapter *); | 128 | static void igb_vmm_control(struct igb_adapter *); |
135 | static int igb_set_vf_mac(struct igb_adapter *adapter, int, unsigned char *); | 129 | static int igb_set_vf_mac(struct igb_adapter *, int, unsigned char *); |
136 | static void igb_restore_vf_multicasts(struct igb_adapter *adapter); | 130 | static void igb_restore_vf_multicasts(struct igb_adapter *adapter); |
137 | 131 | ||
138 | static inline void igb_set_vmolr(struct e1000_hw *hw, int vfn) | ||
139 | { | ||
140 | u32 reg_data; | ||
141 | |||
142 | reg_data = rd32(E1000_VMOLR(vfn)); | ||
143 | reg_data |= E1000_VMOLR_BAM | /* Accept broadcast */ | ||
144 | E1000_VMOLR_ROPE | /* Accept packets matched in UTA */ | ||
145 | E1000_VMOLR_ROMPE | /* Accept packets matched in MTA */ | ||
146 | E1000_VMOLR_AUPE | /* Accept untagged packets */ | ||
147 | E1000_VMOLR_STRVLAN; /* Strip vlan tags */ | ||
148 | wr32(E1000_VMOLR(vfn), reg_data); | ||
149 | } | ||
150 | |||
151 | static inline int igb_set_vf_rlpml(struct igb_adapter *adapter, int size, | ||
152 | int vfn) | ||
153 | { | ||
154 | struct e1000_hw *hw = &adapter->hw; | ||
155 | u32 vmolr; | ||
156 | |||
157 | /* if it isn't the PF check to see if VFs are enabled and | ||
158 | * increase the size to support vlan tags */ | ||
159 | if (vfn < adapter->vfs_allocated_count && | ||
160 | adapter->vf_data[vfn].vlans_enabled) | ||
161 | size += VLAN_TAG_SIZE; | ||
162 | |||
163 | vmolr = rd32(E1000_VMOLR(vfn)); | ||
164 | vmolr &= ~E1000_VMOLR_RLPML_MASK; | ||
165 | vmolr |= size | E1000_VMOLR_LPE; | ||
166 | wr32(E1000_VMOLR(vfn), vmolr); | ||
167 | |||
168 | return 0; | ||
169 | } | ||
170 | |||
171 | static inline void igb_set_rah_pool(struct e1000_hw *hw, int pool, int entry) | ||
172 | { | ||
173 | u32 reg_data; | ||
174 | |||
175 | reg_data = rd32(E1000_RAH(entry)); | ||
176 | reg_data &= ~E1000_RAH_POOL_MASK; | ||
177 | reg_data |= E1000_RAH_POOL_1 << pool;; | ||
178 | wr32(E1000_RAH(entry), reg_data); | ||
179 | } | ||
180 | |||
181 | #ifdef CONFIG_PM | 132 | #ifdef CONFIG_PM |
182 | static int igb_suspend(struct pci_dev *, pm_message_t); | 133 | static int igb_suspend(struct pci_dev *, pm_message_t); |
183 | static int igb_resume(struct pci_dev *); | 134 | static int igb_resume(struct pci_dev *); |
@@ -228,46 +179,12 @@ static struct pci_driver igb_driver = { | |||
228 | .err_handler = &igb_err_handler | 179 | .err_handler = &igb_err_handler |
229 | }; | 180 | }; |
230 | 181 | ||
231 | static int global_quad_port_a; /* global quad port a indication */ | ||
232 | |||
233 | MODULE_AUTHOR("Intel Corporation, <e1000-devel@lists.sourceforge.net>"); | 182 | MODULE_AUTHOR("Intel Corporation, <e1000-devel@lists.sourceforge.net>"); |
234 | MODULE_DESCRIPTION("Intel(R) Gigabit Ethernet Network Driver"); | 183 | MODULE_DESCRIPTION("Intel(R) Gigabit Ethernet Network Driver"); |
235 | MODULE_LICENSE("GPL"); | 184 | MODULE_LICENSE("GPL"); |
236 | MODULE_VERSION(DRV_VERSION); | 185 | MODULE_VERSION(DRV_VERSION); |
237 | 186 | ||
238 | /** | 187 | /** |
239 | * Scale the NIC clock cycle by a large factor so that | ||
240 | * relatively small clock corrections can be added or | ||
241 | * substracted at each clock tick. The drawbacks of a | ||
242 | * large factor are a) that the clock register overflows | ||
243 | * more quickly (not such a big deal) and b) that the | ||
244 | * increment per tick has to fit into 24 bits. | ||
245 | * | ||
246 | * Note that | ||
247 | * TIMINCA = IGB_TSYNC_CYCLE_TIME_IN_NANOSECONDS * | ||
248 | * IGB_TSYNC_SCALE | ||
249 | * TIMINCA += TIMINCA * adjustment [ppm] / 1e9 | ||
250 | * | ||
251 | * The base scale factor is intentionally a power of two | ||
252 | * so that the division in %struct timecounter can be done with | ||
253 | * a shift. | ||
254 | */ | ||
255 | #define IGB_TSYNC_SHIFT (19) | ||
256 | #define IGB_TSYNC_SCALE (1<<IGB_TSYNC_SHIFT) | ||
257 | |||
258 | /** | ||
259 | * The duration of one clock cycle of the NIC. | ||
260 | * | ||
261 | * @todo This hard-coded value is part of the specification and might change | ||
262 | * in future hardware revisions. Add revision check. | ||
263 | */ | ||
264 | #define IGB_TSYNC_CYCLE_TIME_IN_NANOSECONDS 16 | ||
265 | |||
266 | #if (IGB_TSYNC_SCALE * IGB_TSYNC_CYCLE_TIME_IN_NANOSECONDS) >= (1<<24) | ||
267 | # error IGB_TSYNC_SCALE and/or IGB_TSYNC_CYCLE_TIME_IN_NANOSECONDS are too large to fit into TIMINCA | ||
268 | #endif | ||
269 | |||
270 | /** | ||
271 | * igb_read_clock - read raw cycle counter (to be used by time counter) | 188 | * igb_read_clock - read raw cycle counter (to be used by time counter) |
272 | */ | 189 | */ |
273 | static cycle_t igb_read_clock(const struct cyclecounter *tc) | 190 | static cycle_t igb_read_clock(const struct cyclecounter *tc) |
@@ -275,11 +192,11 @@ static cycle_t igb_read_clock(const struct cyclecounter *tc) | |||
275 | struct igb_adapter *adapter = | 192 | struct igb_adapter *adapter = |
276 | container_of(tc, struct igb_adapter, cycles); | 193 | container_of(tc, struct igb_adapter, cycles); |
277 | struct e1000_hw *hw = &adapter->hw; | 194 | struct e1000_hw *hw = &adapter->hw; |
278 | u64 stamp; | 195 | u64 stamp = 0; |
279 | 196 | int shift = 0; | |
280 | stamp = rd32(E1000_SYSTIML); | ||
281 | stamp |= (u64)rd32(E1000_SYSTIMH) << 32ULL; | ||
282 | 197 | ||
198 | stamp |= (u64)rd32(E1000_SYSTIML) << shift; | ||
199 | stamp |= (u64)rd32(E1000_SYSTIMH) << (shift + 32); | ||
283 | return stamp; | 200 | return stamp; |
284 | } | 201 | } |
285 | 202 | ||
@@ -320,17 +237,6 @@ static char *igb_get_time_str(struct igb_adapter *adapter, | |||
320 | #endif | 237 | #endif |
321 | 238 | ||
322 | /** | 239 | /** |
323 | * igb_desc_unused - calculate if we have unused descriptors | ||
324 | **/ | ||
325 | static int igb_desc_unused(struct igb_ring *ring) | ||
326 | { | ||
327 | if (ring->next_to_clean > ring->next_to_use) | ||
328 | return ring->next_to_clean - ring->next_to_use - 1; | ||
329 | |||
330 | return ring->count + ring->next_to_clean - ring->next_to_use - 1; | ||
331 | } | ||
332 | |||
333 | /** | ||
334 | * igb_init_module - Driver Registration Routine | 240 | * igb_init_module - Driver Registration Routine |
335 | * | 241 | * |
336 | * igb_init_module is the first routine called when the driver is | 242 | * igb_init_module is the first routine called when the driver is |
@@ -344,12 +250,9 @@ static int __init igb_init_module(void) | |||
344 | 250 | ||
345 | printk(KERN_INFO "%s\n", igb_copyright); | 251 | printk(KERN_INFO "%s\n", igb_copyright); |
346 | 252 | ||
347 | global_quad_port_a = 0; | ||
348 | |||
349 | #ifdef CONFIG_IGB_DCA | 253 | #ifdef CONFIG_IGB_DCA |
350 | dca_register_notify(&dca_notifier); | 254 | dca_register_notify(&dca_notifier); |
351 | #endif | 255 | #endif |
352 | |||
353 | ret = pci_register_driver(&igb_driver); | 256 | ret = pci_register_driver(&igb_driver); |
354 | return ret; | 257 | return ret; |
355 | } | 258 | } |
@@ -382,8 +285,8 @@ module_exit(igb_exit_module); | |||
382 | **/ | 285 | **/ |
383 | static void igb_cache_ring_register(struct igb_adapter *adapter) | 286 | static void igb_cache_ring_register(struct igb_adapter *adapter) |
384 | { | 287 | { |
385 | int i; | 288 | int i = 0, j = 0; |
386 | unsigned int rbase_offset = adapter->vfs_allocated_count; | 289 | u32 rbase_offset = adapter->vfs_allocated_count; |
387 | 290 | ||
388 | switch (adapter->hw.mac.type) { | 291 | switch (adapter->hw.mac.type) { |
389 | case e1000_82576: | 292 | case e1000_82576: |
@@ -392,23 +295,36 @@ static void igb_cache_ring_register(struct igb_adapter *adapter) | |||
392 | * In order to avoid collision we start at the first free queue | 295 | * In order to avoid collision we start at the first free queue |
393 | * and continue consuming queues in the same sequence | 296 | * and continue consuming queues in the same sequence |
394 | */ | 297 | */ |
395 | for (i = 0; i < adapter->num_rx_queues; i++) | 298 | if (adapter->vfs_allocated_count) { |
396 | adapter->rx_ring[i].reg_idx = rbase_offset + | 299 | for (; i < adapter->rss_queues; i++) |
397 | Q_IDX_82576(i); | 300 | adapter->rx_ring[i].reg_idx = rbase_offset + |
398 | for (i = 0; i < adapter->num_tx_queues; i++) | 301 | Q_IDX_82576(i); |
399 | adapter->tx_ring[i].reg_idx = rbase_offset + | 302 | for (; j < adapter->rss_queues; j++) |
400 | Q_IDX_82576(i); | 303 | adapter->tx_ring[j].reg_idx = rbase_offset + |
401 | break; | 304 | Q_IDX_82576(j); |
305 | } | ||
402 | case e1000_82575: | 306 | case e1000_82575: |
403 | default: | 307 | default: |
404 | for (i = 0; i < adapter->num_rx_queues; i++) | 308 | for (; i < adapter->num_rx_queues; i++) |
405 | adapter->rx_ring[i].reg_idx = i; | 309 | adapter->rx_ring[i].reg_idx = rbase_offset + i; |
406 | for (i = 0; i < adapter->num_tx_queues; i++) | 310 | for (; j < adapter->num_tx_queues; j++) |
407 | adapter->tx_ring[i].reg_idx = i; | 311 | adapter->tx_ring[j].reg_idx = rbase_offset + j; |
408 | break; | 312 | break; |
409 | } | 313 | } |
410 | } | 314 | } |
411 | 315 | ||
316 | static void igb_free_queues(struct igb_adapter *adapter) | ||
317 | { | ||
318 | kfree(adapter->tx_ring); | ||
319 | kfree(adapter->rx_ring); | ||
320 | |||
321 | adapter->tx_ring = NULL; | ||
322 | adapter->rx_ring = NULL; | ||
323 | |||
324 | adapter->num_rx_queues = 0; | ||
325 | adapter->num_tx_queues = 0; | ||
326 | } | ||
327 | |||
412 | /** | 328 | /** |
413 | * igb_alloc_queues - Allocate memory for all rings | 329 | * igb_alloc_queues - Allocate memory for all rings |
414 | * @adapter: board private structure to initialize | 330 | * @adapter: board private structure to initialize |
@@ -423,59 +339,61 @@ static int igb_alloc_queues(struct igb_adapter *adapter) | |||
423 | adapter->tx_ring = kcalloc(adapter->num_tx_queues, | 339 | adapter->tx_ring = kcalloc(adapter->num_tx_queues, |
424 | sizeof(struct igb_ring), GFP_KERNEL); | 340 | sizeof(struct igb_ring), GFP_KERNEL); |
425 | if (!adapter->tx_ring) | 341 | if (!adapter->tx_ring) |
426 | return -ENOMEM; | 342 | goto err; |
427 | 343 | ||
428 | adapter->rx_ring = kcalloc(adapter->num_rx_queues, | 344 | adapter->rx_ring = kcalloc(adapter->num_rx_queues, |
429 | sizeof(struct igb_ring), GFP_KERNEL); | 345 | sizeof(struct igb_ring), GFP_KERNEL); |
430 | if (!adapter->rx_ring) { | 346 | if (!adapter->rx_ring) |
431 | kfree(adapter->tx_ring); | 347 | goto err; |
432 | return -ENOMEM; | ||
433 | } | ||
434 | |||
435 | adapter->rx_ring->buddy = adapter->tx_ring; | ||
436 | 348 | ||
437 | for (i = 0; i < adapter->num_tx_queues; i++) { | 349 | for (i = 0; i < adapter->num_tx_queues; i++) { |
438 | struct igb_ring *ring = &(adapter->tx_ring[i]); | 350 | struct igb_ring *ring = &(adapter->tx_ring[i]); |
439 | ring->count = adapter->tx_ring_count; | 351 | ring->count = adapter->tx_ring_count; |
440 | ring->adapter = adapter; | ||
441 | ring->queue_index = i; | 352 | ring->queue_index = i; |
353 | ring->pdev = adapter->pdev; | ||
354 | ring->netdev = adapter->netdev; | ||
355 | /* For 82575, context index must be unique per ring. */ | ||
356 | if (adapter->hw.mac.type == e1000_82575) | ||
357 | ring->flags = IGB_RING_FLAG_TX_CTX_IDX; | ||
442 | } | 358 | } |
359 | |||
443 | for (i = 0; i < adapter->num_rx_queues; i++) { | 360 | for (i = 0; i < adapter->num_rx_queues; i++) { |
444 | struct igb_ring *ring = &(adapter->rx_ring[i]); | 361 | struct igb_ring *ring = &(adapter->rx_ring[i]); |
445 | ring->count = adapter->rx_ring_count; | 362 | ring->count = adapter->rx_ring_count; |
446 | ring->adapter = adapter; | ||
447 | ring->queue_index = i; | 363 | ring->queue_index = i; |
448 | ring->itr_register = E1000_ITR; | 364 | ring->pdev = adapter->pdev; |
449 | 365 | ring->netdev = adapter->netdev; | |
450 | /* set a default napi handler for each rx_ring */ | 366 | ring->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE; |
451 | netif_napi_add(adapter->netdev, &ring->napi, igb_poll, 64); | 367 | ring->flags = IGB_RING_FLAG_RX_CSUM; /* enable rx checksum */ |
368 | /* set flag indicating ring supports SCTP checksum offload */ | ||
369 | if (adapter->hw.mac.type >= e1000_82576) | ||
370 | ring->flags |= IGB_RING_FLAG_RX_SCTP_CSUM; | ||
452 | } | 371 | } |
453 | 372 | ||
454 | igb_cache_ring_register(adapter); | 373 | igb_cache_ring_register(adapter); |
455 | return 0; | ||
456 | } | ||
457 | |||
458 | static void igb_free_queues(struct igb_adapter *adapter) | ||
459 | { | ||
460 | int i; | ||
461 | 374 | ||
462 | for (i = 0; i < adapter->num_rx_queues; i++) | 375 | return 0; |
463 | netif_napi_del(&adapter->rx_ring[i].napi); | ||
464 | 376 | ||
465 | adapter->num_rx_queues = 0; | 377 | err: |
466 | adapter->num_tx_queues = 0; | 378 | igb_free_queues(adapter); |
467 | 379 | ||
468 | kfree(adapter->tx_ring); | 380 | return -ENOMEM; |
469 | kfree(adapter->rx_ring); | ||
470 | } | 381 | } |
471 | 382 | ||
472 | #define IGB_N0_QUEUE -1 | 383 | #define IGB_N0_QUEUE -1 |
473 | static void igb_assign_vector(struct igb_adapter *adapter, int rx_queue, | 384 | static void igb_assign_vector(struct igb_q_vector *q_vector, int msix_vector) |
474 | int tx_queue, int msix_vector) | ||
475 | { | 385 | { |
476 | u32 msixbm = 0; | 386 | u32 msixbm = 0; |
387 | struct igb_adapter *adapter = q_vector->adapter; | ||
477 | struct e1000_hw *hw = &adapter->hw; | 388 | struct e1000_hw *hw = &adapter->hw; |
478 | u32 ivar, index; | 389 | u32 ivar, index; |
390 | int rx_queue = IGB_N0_QUEUE; | ||
391 | int tx_queue = IGB_N0_QUEUE; | ||
392 | |||
393 | if (q_vector->rx_ring) | ||
394 | rx_queue = q_vector->rx_ring->reg_idx; | ||
395 | if (q_vector->tx_ring) | ||
396 | tx_queue = q_vector->tx_ring->reg_idx; | ||
479 | 397 | ||
480 | switch (hw->mac.type) { | 398 | switch (hw->mac.type) { |
481 | case e1000_82575: | 399 | case e1000_82575: |
@@ -483,16 +401,12 @@ static void igb_assign_vector(struct igb_adapter *adapter, int rx_queue, | |||
483 | bitmask for the EICR/EIMS/EIMC registers. To assign one | 401 | bitmask for the EICR/EIMS/EIMC registers. To assign one |
484 | or more queues to a vector, we write the appropriate bits | 402 | or more queues to a vector, we write the appropriate bits |
485 | into the MSIXBM register for that vector. */ | 403 | into the MSIXBM register for that vector. */ |
486 | if (rx_queue > IGB_N0_QUEUE) { | 404 | if (rx_queue > IGB_N0_QUEUE) |
487 | msixbm = E1000_EICR_RX_QUEUE0 << rx_queue; | 405 | msixbm = E1000_EICR_RX_QUEUE0 << rx_queue; |
488 | adapter->rx_ring[rx_queue].eims_value = msixbm; | 406 | if (tx_queue > IGB_N0_QUEUE) |
489 | } | ||
490 | if (tx_queue > IGB_N0_QUEUE) { | ||
491 | msixbm |= E1000_EICR_TX_QUEUE0 << tx_queue; | 407 | msixbm |= E1000_EICR_TX_QUEUE0 << tx_queue; |
492 | adapter->tx_ring[tx_queue].eims_value = | ||
493 | E1000_EICR_TX_QUEUE0 << tx_queue; | ||
494 | } | ||
495 | array_wr32(E1000_MSIXBM(0), msix_vector, msixbm); | 408 | array_wr32(E1000_MSIXBM(0), msix_vector, msixbm); |
409 | q_vector->eims_value = msixbm; | ||
496 | break; | 410 | break; |
497 | case e1000_82576: | 411 | case e1000_82576: |
498 | /* 82576 uses a table-based method for assigning vectors. | 412 | /* 82576 uses a table-based method for assigning vectors. |
@@ -500,35 +414,34 @@ static void igb_assign_vector(struct igb_adapter *adapter, int rx_queue, | |||
500 | a vector number along with a "valid" bit. Sadly, the layout | 414 | a vector number along with a "valid" bit. Sadly, the layout |
501 | of the table is somewhat counterintuitive. */ | 415 | of the table is somewhat counterintuitive. */ |
502 | if (rx_queue > IGB_N0_QUEUE) { | 416 | if (rx_queue > IGB_N0_QUEUE) { |
503 | index = (rx_queue >> 1) + adapter->vfs_allocated_count; | 417 | index = (rx_queue & 0x7); |
504 | ivar = array_rd32(E1000_IVAR0, index); | 418 | ivar = array_rd32(E1000_IVAR0, index); |
505 | if (rx_queue & 0x1) { | 419 | if (rx_queue < 8) { |
506 | /* vector goes into third byte of register */ | ||
507 | ivar = ivar & 0xFF00FFFF; | ||
508 | ivar |= (msix_vector | E1000_IVAR_VALID) << 16; | ||
509 | } else { | ||
510 | /* vector goes into low byte of register */ | 420 | /* vector goes into low byte of register */ |
511 | ivar = ivar & 0xFFFFFF00; | 421 | ivar = ivar & 0xFFFFFF00; |
512 | ivar |= msix_vector | E1000_IVAR_VALID; | 422 | ivar |= msix_vector | E1000_IVAR_VALID; |
423 | } else { | ||
424 | /* vector goes into third byte of register */ | ||
425 | ivar = ivar & 0xFF00FFFF; | ||
426 | ivar |= (msix_vector | E1000_IVAR_VALID) << 16; | ||
513 | } | 427 | } |
514 | adapter->rx_ring[rx_queue].eims_value= 1 << msix_vector; | ||
515 | array_wr32(E1000_IVAR0, index, ivar); | 428 | array_wr32(E1000_IVAR0, index, ivar); |
516 | } | 429 | } |
517 | if (tx_queue > IGB_N0_QUEUE) { | 430 | if (tx_queue > IGB_N0_QUEUE) { |
518 | index = (tx_queue >> 1) + adapter->vfs_allocated_count; | 431 | index = (tx_queue & 0x7); |
519 | ivar = array_rd32(E1000_IVAR0, index); | 432 | ivar = array_rd32(E1000_IVAR0, index); |
520 | if (tx_queue & 0x1) { | 433 | if (tx_queue < 8) { |
521 | /* vector goes into high byte of register */ | ||
522 | ivar = ivar & 0x00FFFFFF; | ||
523 | ivar |= (msix_vector | E1000_IVAR_VALID) << 24; | ||
524 | } else { | ||
525 | /* vector goes into second byte of register */ | 434 | /* vector goes into second byte of register */ |
526 | ivar = ivar & 0xFFFF00FF; | 435 | ivar = ivar & 0xFFFF00FF; |
527 | ivar |= (msix_vector | E1000_IVAR_VALID) << 8; | 436 | ivar |= (msix_vector | E1000_IVAR_VALID) << 8; |
437 | } else { | ||
438 | /* vector goes into high byte of register */ | ||
439 | ivar = ivar & 0x00FFFFFF; | ||
440 | ivar |= (msix_vector | E1000_IVAR_VALID) << 24; | ||
528 | } | 441 | } |
529 | adapter->tx_ring[tx_queue].eims_value= 1 << msix_vector; | ||
530 | array_wr32(E1000_IVAR0, index, ivar); | 442 | array_wr32(E1000_IVAR0, index, ivar); |
531 | } | 443 | } |
444 | q_vector->eims_value = 1 << msix_vector; | ||
532 | break; | 445 | break; |
533 | default: | 446 | default: |
534 | BUG(); | 447 | BUG(); |
@@ -549,43 +462,10 @@ static void igb_configure_msix(struct igb_adapter *adapter) | |||
549 | struct e1000_hw *hw = &adapter->hw; | 462 | struct e1000_hw *hw = &adapter->hw; |
550 | 463 | ||
551 | adapter->eims_enable_mask = 0; | 464 | adapter->eims_enable_mask = 0; |
552 | if (hw->mac.type == e1000_82576) | ||
553 | /* Turn on MSI-X capability first, or our settings | ||
554 | * won't stick. And it will take days to debug. */ | ||
555 | wr32(E1000_GPIE, E1000_GPIE_MSIX_MODE | | ||
556 | E1000_GPIE_PBA | E1000_GPIE_EIAME | | ||
557 | E1000_GPIE_NSICR); | ||
558 | |||
559 | for (i = 0; i < adapter->num_tx_queues; i++) { | ||
560 | struct igb_ring *tx_ring = &adapter->tx_ring[i]; | ||
561 | igb_assign_vector(adapter, IGB_N0_QUEUE, i, vector++); | ||
562 | adapter->eims_enable_mask |= tx_ring->eims_value; | ||
563 | if (tx_ring->itr_val) | ||
564 | writel(tx_ring->itr_val, | ||
565 | hw->hw_addr + tx_ring->itr_register); | ||
566 | else | ||
567 | writel(1, hw->hw_addr + tx_ring->itr_register); | ||
568 | } | ||
569 | |||
570 | for (i = 0; i < adapter->num_rx_queues; i++) { | ||
571 | struct igb_ring *rx_ring = &adapter->rx_ring[i]; | ||
572 | rx_ring->buddy = NULL; | ||
573 | igb_assign_vector(adapter, i, IGB_N0_QUEUE, vector++); | ||
574 | adapter->eims_enable_mask |= rx_ring->eims_value; | ||
575 | if (rx_ring->itr_val) | ||
576 | writel(rx_ring->itr_val, | ||
577 | hw->hw_addr + rx_ring->itr_register); | ||
578 | else | ||
579 | writel(1, hw->hw_addr + rx_ring->itr_register); | ||
580 | } | ||
581 | |||
582 | 465 | ||
583 | /* set vector for other causes, i.e. link changes */ | 466 | /* set vector for other causes, i.e. link changes */ |
584 | switch (hw->mac.type) { | 467 | switch (hw->mac.type) { |
585 | case e1000_82575: | 468 | case e1000_82575: |
586 | array_wr32(E1000_MSIXBM(0), vector++, | ||
587 | E1000_EIMS_OTHER); | ||
588 | |||
589 | tmp = rd32(E1000_CTRL_EXT); | 469 | tmp = rd32(E1000_CTRL_EXT); |
590 | /* enable MSI-X PBA support*/ | 470 | /* enable MSI-X PBA support*/ |
591 | tmp |= E1000_CTRL_EXT_PBA_CLR; | 471 | tmp |= E1000_CTRL_EXT_PBA_CLR; |
@@ -595,22 +475,40 @@ static void igb_configure_msix(struct igb_adapter *adapter) | |||
595 | tmp |= E1000_CTRL_EXT_IRCA; | 475 | tmp |= E1000_CTRL_EXT_IRCA; |
596 | 476 | ||
597 | wr32(E1000_CTRL_EXT, tmp); | 477 | wr32(E1000_CTRL_EXT, tmp); |
598 | adapter->eims_enable_mask |= E1000_EIMS_OTHER; | 478 | |
479 | /* enable msix_other interrupt */ | ||
480 | array_wr32(E1000_MSIXBM(0), vector++, | ||
481 | E1000_EIMS_OTHER); | ||
599 | adapter->eims_other = E1000_EIMS_OTHER; | 482 | adapter->eims_other = E1000_EIMS_OTHER; |
600 | 483 | ||
601 | break; | 484 | break; |
602 | 485 | ||
603 | case e1000_82576: | 486 | case e1000_82576: |
487 | /* Turn on MSI-X capability first, or our settings | ||
488 | * won't stick. And it will take days to debug. */ | ||
489 | wr32(E1000_GPIE, E1000_GPIE_MSIX_MODE | | ||
490 | E1000_GPIE_PBA | E1000_GPIE_EIAME | | ||
491 | E1000_GPIE_NSICR); | ||
492 | |||
493 | /* enable msix_other interrupt */ | ||
494 | adapter->eims_other = 1 << vector; | ||
604 | tmp = (vector++ | E1000_IVAR_VALID) << 8; | 495 | tmp = (vector++ | E1000_IVAR_VALID) << 8; |
605 | wr32(E1000_IVAR_MISC, tmp); | ||
606 | 496 | ||
607 | adapter->eims_enable_mask = (1 << (vector)) - 1; | 497 | wr32(E1000_IVAR_MISC, tmp); |
608 | adapter->eims_other = 1 << (vector - 1); | ||
609 | break; | 498 | break; |
610 | default: | 499 | default: |
611 | /* do nothing, since nothing else supports MSI-X */ | 500 | /* do nothing, since nothing else supports MSI-X */ |
612 | break; | 501 | break; |
613 | } /* switch (hw->mac.type) */ | 502 | } /* switch (hw->mac.type) */ |
503 | |||
504 | adapter->eims_enable_mask |= adapter->eims_other; | ||
505 | |||
506 | for (i = 0; i < adapter->num_q_vectors; i++) { | ||
507 | struct igb_q_vector *q_vector = adapter->q_vector[i]; | ||
508 | igb_assign_vector(q_vector, vector++); | ||
509 | adapter->eims_enable_mask |= q_vector->eims_value; | ||
510 | } | ||
511 | |||
614 | wrfl(); | 512 | wrfl(); |
615 | } | 513 | } |
616 | 514 | ||
@@ -623,43 +521,40 @@ static void igb_configure_msix(struct igb_adapter *adapter) | |||
623 | static int igb_request_msix(struct igb_adapter *adapter) | 521 | static int igb_request_msix(struct igb_adapter *adapter) |
624 | { | 522 | { |
625 | struct net_device *netdev = adapter->netdev; | 523 | struct net_device *netdev = adapter->netdev; |
524 | struct e1000_hw *hw = &adapter->hw; | ||
626 | int i, err = 0, vector = 0; | 525 | int i, err = 0, vector = 0; |
627 | 526 | ||
628 | vector = 0; | 527 | err = request_irq(adapter->msix_entries[vector].vector, |
629 | 528 | &igb_msix_other, 0, netdev->name, adapter); | |
630 | for (i = 0; i < adapter->num_tx_queues; i++) { | 529 | if (err) |
631 | struct igb_ring *ring = &(adapter->tx_ring[i]); | 530 | goto out; |
632 | sprintf(ring->name, "%s-tx-%d", netdev->name, i); | 531 | vector++; |
633 | err = request_irq(adapter->msix_entries[vector].vector, | 532 | |
634 | &igb_msix_tx, 0, ring->name, | 533 | for (i = 0; i < adapter->num_q_vectors; i++) { |
635 | &(adapter->tx_ring[i])); | 534 | struct igb_q_vector *q_vector = adapter->q_vector[i]; |
636 | if (err) | 535 | |
637 | goto out; | 536 | q_vector->itr_register = hw->hw_addr + E1000_EITR(vector); |
638 | ring->itr_register = E1000_EITR(0) + (vector << 2); | 537 | |
639 | ring->itr_val = 976; /* ~4000 ints/sec */ | 538 | if (q_vector->rx_ring && q_vector->tx_ring) |
640 | vector++; | 539 | sprintf(q_vector->name, "%s-TxRx-%u", netdev->name, |
641 | } | 540 | q_vector->rx_ring->queue_index); |
642 | for (i = 0; i < adapter->num_rx_queues; i++) { | 541 | else if (q_vector->tx_ring) |
643 | struct igb_ring *ring = &(adapter->rx_ring[i]); | 542 | sprintf(q_vector->name, "%s-tx-%u", netdev->name, |
644 | if (strlen(netdev->name) < (IFNAMSIZ - 5)) | 543 | q_vector->tx_ring->queue_index); |
645 | sprintf(ring->name, "%s-rx-%d", netdev->name, i); | 544 | else if (q_vector->rx_ring) |
545 | sprintf(q_vector->name, "%s-rx-%u", netdev->name, | ||
546 | q_vector->rx_ring->queue_index); | ||
646 | else | 547 | else |
647 | memcpy(ring->name, netdev->name, IFNAMSIZ); | 548 | sprintf(q_vector->name, "%s-unused", netdev->name); |
549 | |||
648 | err = request_irq(adapter->msix_entries[vector].vector, | 550 | err = request_irq(adapter->msix_entries[vector].vector, |
649 | &igb_msix_rx, 0, ring->name, | 551 | &igb_msix_ring, 0, q_vector->name, |
650 | &(adapter->rx_ring[i])); | 552 | q_vector); |
651 | if (err) | 553 | if (err) |
652 | goto out; | 554 | goto out; |
653 | ring->itr_register = E1000_EITR(0) + (vector << 2); | ||
654 | ring->itr_val = adapter->itr; | ||
655 | vector++; | 555 | vector++; |
656 | } | 556 | } |
657 | 557 | ||
658 | err = request_irq(adapter->msix_entries[vector].vector, | ||
659 | &igb_msix_other, 0, netdev->name, netdev); | ||
660 | if (err) | ||
661 | goto out; | ||
662 | |||
663 | igb_configure_msix(adapter); | 558 | igb_configure_msix(adapter); |
664 | return 0; | 559 | return 0; |
665 | out: | 560 | out: |
@@ -672,11 +567,44 @@ static void igb_reset_interrupt_capability(struct igb_adapter *adapter) | |||
672 | pci_disable_msix(adapter->pdev); | 567 | pci_disable_msix(adapter->pdev); |
673 | kfree(adapter->msix_entries); | 568 | kfree(adapter->msix_entries); |
674 | adapter->msix_entries = NULL; | 569 | adapter->msix_entries = NULL; |
675 | } else if (adapter->flags & IGB_FLAG_HAS_MSI) | 570 | } else if (adapter->flags & IGB_FLAG_HAS_MSI) { |
676 | pci_disable_msi(adapter->pdev); | 571 | pci_disable_msi(adapter->pdev); |
677 | return; | 572 | } |
678 | } | 573 | } |
679 | 574 | ||
575 | /** | ||
576 | * igb_free_q_vectors - Free memory allocated for interrupt vectors | ||
577 | * @adapter: board private structure to initialize | ||
578 | * | ||
579 | * This function frees the memory allocated to the q_vectors. In addition if | ||
580 | * NAPI is enabled it will delete any references to the NAPI struct prior | ||
581 | * to freeing the q_vector. | ||
582 | **/ | ||
583 | static void igb_free_q_vectors(struct igb_adapter *adapter) | ||
584 | { | ||
585 | int v_idx; | ||
586 | |||
587 | for (v_idx = 0; v_idx < adapter->num_q_vectors; v_idx++) { | ||
588 | struct igb_q_vector *q_vector = adapter->q_vector[v_idx]; | ||
589 | adapter->q_vector[v_idx] = NULL; | ||
590 | netif_napi_del(&q_vector->napi); | ||
591 | kfree(q_vector); | ||
592 | } | ||
593 | adapter->num_q_vectors = 0; | ||
594 | } | ||
595 | |||
596 | /** | ||
597 | * igb_clear_interrupt_scheme - reset the device to a state of no interrupts | ||
598 | * | ||
599 | * This function resets the device so that it has 0 rx queues, tx queues, and | ||
600 | * MSI-X interrupts allocated. | ||
601 | */ | ||
602 | static void igb_clear_interrupt_scheme(struct igb_adapter *adapter) | ||
603 | { | ||
604 | igb_free_queues(adapter); | ||
605 | igb_free_q_vectors(adapter); | ||
606 | igb_reset_interrupt_capability(adapter); | ||
607 | } | ||
680 | 608 | ||
681 | /** | 609 | /** |
682 | * igb_set_interrupt_capability - set MSI or MSI-X if supported | 610 | * igb_set_interrupt_capability - set MSI or MSI-X if supported |
@@ -690,11 +618,21 @@ static void igb_set_interrupt_capability(struct igb_adapter *adapter) | |||
690 | int numvecs, i; | 618 | int numvecs, i; |
691 | 619 | ||
692 | /* Number of supported queues. */ | 620 | /* Number of supported queues. */ |
693 | /* Having more queues than CPUs doesn't make sense. */ | 621 | adapter->num_rx_queues = adapter->rss_queues; |
694 | adapter->num_rx_queues = min_t(u32, IGB_MAX_RX_QUEUES, num_online_cpus()); | 622 | adapter->num_tx_queues = adapter->rss_queues; |
695 | adapter->num_tx_queues = min_t(u32, IGB_MAX_TX_QUEUES, num_online_cpus()); | 623 | |
624 | /* start with one vector for every rx queue */ | ||
625 | numvecs = adapter->num_rx_queues; | ||
626 | |||
627 | /* if tx handler is seperate add 1 for every tx queue */ | ||
628 | if (!(adapter->flags & IGB_FLAG_QUEUE_PAIRS)) | ||
629 | numvecs += adapter->num_tx_queues; | ||
696 | 630 | ||
697 | numvecs = adapter->num_tx_queues + adapter->num_rx_queues + 1; | 631 | /* store the number of vectors reserved for queues */ |
632 | adapter->num_q_vectors = numvecs; | ||
633 | |||
634 | /* add 1 vector for link status interrupts */ | ||
635 | numvecs++; | ||
698 | adapter->msix_entries = kcalloc(numvecs, sizeof(struct msix_entry), | 636 | adapter->msix_entries = kcalloc(numvecs, sizeof(struct msix_entry), |
699 | GFP_KERNEL); | 637 | GFP_KERNEL); |
700 | if (!adapter->msix_entries) | 638 | if (!adapter->msix_entries) |
@@ -728,8 +666,12 @@ msi_only: | |||
728 | dev_info(&adapter->pdev->dev, "IOV Disabled\n"); | 666 | dev_info(&adapter->pdev->dev, "IOV Disabled\n"); |
729 | } | 667 | } |
730 | #endif | 668 | #endif |
669 | adapter->vfs_allocated_count = 0; | ||
670 | adapter->rss_queues = 1; | ||
671 | adapter->flags |= IGB_FLAG_QUEUE_PAIRS; | ||
731 | adapter->num_rx_queues = 1; | 672 | adapter->num_rx_queues = 1; |
732 | adapter->num_tx_queues = 1; | 673 | adapter->num_tx_queues = 1; |
674 | adapter->num_q_vectors = 1; | ||
733 | if (!pci_enable_msi(adapter->pdev)) | 675 | if (!pci_enable_msi(adapter->pdev)) |
734 | adapter->flags |= IGB_FLAG_HAS_MSI; | 676 | adapter->flags |= IGB_FLAG_HAS_MSI; |
735 | out: | 677 | out: |
@@ -739,6 +681,143 @@ out: | |||
739 | } | 681 | } |
740 | 682 | ||
741 | /** | 683 | /** |
684 | * igb_alloc_q_vectors - Allocate memory for interrupt vectors | ||
685 | * @adapter: board private structure to initialize | ||
686 | * | ||
687 | * We allocate one q_vector per queue interrupt. If allocation fails we | ||
688 | * return -ENOMEM. | ||
689 | **/ | ||
690 | static int igb_alloc_q_vectors(struct igb_adapter *adapter) | ||
691 | { | ||
692 | struct igb_q_vector *q_vector; | ||
693 | struct e1000_hw *hw = &adapter->hw; | ||
694 | int v_idx; | ||
695 | |||
696 | for (v_idx = 0; v_idx < adapter->num_q_vectors; v_idx++) { | ||
697 | q_vector = kzalloc(sizeof(struct igb_q_vector), GFP_KERNEL); | ||
698 | if (!q_vector) | ||
699 | goto err_out; | ||
700 | q_vector->adapter = adapter; | ||
701 | q_vector->itr_shift = (hw->mac.type == e1000_82575) ? 16 : 0; | ||
702 | q_vector->itr_register = hw->hw_addr + E1000_EITR(0); | ||
703 | q_vector->itr_val = IGB_START_ITR; | ||
704 | q_vector->set_itr = 1; | ||
705 | netif_napi_add(adapter->netdev, &q_vector->napi, igb_poll, 64); | ||
706 | adapter->q_vector[v_idx] = q_vector; | ||
707 | } | ||
708 | return 0; | ||
709 | |||
710 | err_out: | ||
711 | while (v_idx) { | ||
712 | v_idx--; | ||
713 | q_vector = adapter->q_vector[v_idx]; | ||
714 | netif_napi_del(&q_vector->napi); | ||
715 | kfree(q_vector); | ||
716 | adapter->q_vector[v_idx] = NULL; | ||
717 | } | ||
718 | return -ENOMEM; | ||
719 | } | ||
720 | |||
721 | static void igb_map_rx_ring_to_vector(struct igb_adapter *adapter, | ||
722 | int ring_idx, int v_idx) | ||
723 | { | ||
724 | struct igb_q_vector *q_vector; | ||
725 | |||
726 | q_vector = adapter->q_vector[v_idx]; | ||
727 | q_vector->rx_ring = &adapter->rx_ring[ring_idx]; | ||
728 | q_vector->rx_ring->q_vector = q_vector; | ||
729 | q_vector->itr_val = adapter->rx_itr_setting; | ||
730 | if (q_vector->itr_val && q_vector->itr_val <= 3) | ||
731 | q_vector->itr_val = IGB_START_ITR; | ||
732 | } | ||
733 | |||
734 | static void igb_map_tx_ring_to_vector(struct igb_adapter *adapter, | ||
735 | int ring_idx, int v_idx) | ||
736 | { | ||
737 | struct igb_q_vector *q_vector; | ||
738 | |||
739 | q_vector = adapter->q_vector[v_idx]; | ||
740 | q_vector->tx_ring = &adapter->tx_ring[ring_idx]; | ||
741 | q_vector->tx_ring->q_vector = q_vector; | ||
742 | q_vector->itr_val = adapter->tx_itr_setting; | ||
743 | if (q_vector->itr_val && q_vector->itr_val <= 3) | ||
744 | q_vector->itr_val = IGB_START_ITR; | ||
745 | } | ||
746 | |||
747 | /** | ||
748 | * igb_map_ring_to_vector - maps allocated queues to vectors | ||
749 | * | ||
750 | * This function maps the recently allocated queues to vectors. | ||
751 | **/ | ||
752 | static int igb_map_ring_to_vector(struct igb_adapter *adapter) | ||
753 | { | ||
754 | int i; | ||
755 | int v_idx = 0; | ||
756 | |||
757 | if ((adapter->num_q_vectors < adapter->num_rx_queues) || | ||
758 | (adapter->num_q_vectors < adapter->num_tx_queues)) | ||
759 | return -ENOMEM; | ||
760 | |||
761 | if (adapter->num_q_vectors >= | ||
762 | (adapter->num_rx_queues + adapter->num_tx_queues)) { | ||
763 | for (i = 0; i < adapter->num_rx_queues; i++) | ||
764 | igb_map_rx_ring_to_vector(adapter, i, v_idx++); | ||
765 | for (i = 0; i < adapter->num_tx_queues; i++) | ||
766 | igb_map_tx_ring_to_vector(adapter, i, v_idx++); | ||
767 | } else { | ||
768 | for (i = 0; i < adapter->num_rx_queues; i++) { | ||
769 | if (i < adapter->num_tx_queues) | ||
770 | igb_map_tx_ring_to_vector(adapter, i, v_idx); | ||
771 | igb_map_rx_ring_to_vector(adapter, i, v_idx++); | ||
772 | } | ||
773 | for (; i < adapter->num_tx_queues; i++) | ||
774 | igb_map_tx_ring_to_vector(adapter, i, v_idx++); | ||
775 | } | ||
776 | return 0; | ||
777 | } | ||
778 | |||
779 | /** | ||
780 | * igb_init_interrupt_scheme - initialize interrupts, allocate queues/vectors | ||
781 | * | ||
782 | * This function initializes the interrupts and allocates all of the queues. | ||
783 | **/ | ||
784 | static int igb_init_interrupt_scheme(struct igb_adapter *adapter) | ||
785 | { | ||
786 | struct pci_dev *pdev = adapter->pdev; | ||
787 | int err; | ||
788 | |||
789 | igb_set_interrupt_capability(adapter); | ||
790 | |||
791 | err = igb_alloc_q_vectors(adapter); | ||
792 | if (err) { | ||
793 | dev_err(&pdev->dev, "Unable to allocate memory for vectors\n"); | ||
794 | goto err_alloc_q_vectors; | ||
795 | } | ||
796 | |||
797 | err = igb_alloc_queues(adapter); | ||
798 | if (err) { | ||
799 | dev_err(&pdev->dev, "Unable to allocate memory for queues\n"); | ||
800 | goto err_alloc_queues; | ||
801 | } | ||
802 | |||
803 | err = igb_map_ring_to_vector(adapter); | ||
804 | if (err) { | ||
805 | dev_err(&pdev->dev, "Invalid q_vector to ring mapping\n"); | ||
806 | goto err_map_queues; | ||
807 | } | ||
808 | |||
809 | |||
810 | return 0; | ||
811 | err_map_queues: | ||
812 | igb_free_queues(adapter); | ||
813 | err_alloc_queues: | ||
814 | igb_free_q_vectors(adapter); | ||
815 | err_alloc_q_vectors: | ||
816 | igb_reset_interrupt_capability(adapter); | ||
817 | return err; | ||
818 | } | ||
819 | |||
820 | /** | ||
742 | * igb_request_irq - initialize interrupts | 821 | * igb_request_irq - initialize interrupts |
743 | * | 822 | * |
744 | * Attempts to configure interrupts using the best available | 823 | * Attempts to configure interrupts using the best available |
@@ -747,6 +826,7 @@ out: | |||
747 | static int igb_request_irq(struct igb_adapter *adapter) | 826 | static int igb_request_irq(struct igb_adapter *adapter) |
748 | { | 827 | { |
749 | struct net_device *netdev = adapter->netdev; | 828 | struct net_device *netdev = adapter->netdev; |
829 | struct pci_dev *pdev = adapter->pdev; | ||
750 | struct e1000_hw *hw = &adapter->hw; | 830 | struct e1000_hw *hw = &adapter->hw; |
751 | int err = 0; | 831 | int err = 0; |
752 | 832 | ||
@@ -755,18 +835,36 @@ static int igb_request_irq(struct igb_adapter *adapter) | |||
755 | if (!err) | 835 | if (!err) |
756 | goto request_done; | 836 | goto request_done; |
757 | /* fall back to MSI */ | 837 | /* fall back to MSI */ |
758 | igb_reset_interrupt_capability(adapter); | 838 | igb_clear_interrupt_scheme(adapter); |
759 | if (!pci_enable_msi(adapter->pdev)) | 839 | if (!pci_enable_msi(adapter->pdev)) |
760 | adapter->flags |= IGB_FLAG_HAS_MSI; | 840 | adapter->flags |= IGB_FLAG_HAS_MSI; |
761 | igb_free_all_tx_resources(adapter); | 841 | igb_free_all_tx_resources(adapter); |
762 | igb_free_all_rx_resources(adapter); | 842 | igb_free_all_rx_resources(adapter); |
843 | adapter->num_tx_queues = 1; | ||
763 | adapter->num_rx_queues = 1; | 844 | adapter->num_rx_queues = 1; |
764 | igb_alloc_queues(adapter); | 845 | adapter->num_q_vectors = 1; |
846 | err = igb_alloc_q_vectors(adapter); | ||
847 | if (err) { | ||
848 | dev_err(&pdev->dev, | ||
849 | "Unable to allocate memory for vectors\n"); | ||
850 | goto request_done; | ||
851 | } | ||
852 | err = igb_alloc_queues(adapter); | ||
853 | if (err) { | ||
854 | dev_err(&pdev->dev, | ||
855 | "Unable to allocate memory for queues\n"); | ||
856 | igb_free_q_vectors(adapter); | ||
857 | goto request_done; | ||
858 | } | ||
859 | igb_setup_all_tx_resources(adapter); | ||
860 | igb_setup_all_rx_resources(adapter); | ||
765 | } else { | 861 | } else { |
766 | switch (hw->mac.type) { | 862 | switch (hw->mac.type) { |
767 | case e1000_82575: | 863 | case e1000_82575: |
768 | wr32(E1000_MSIXBM(0), | 864 | wr32(E1000_MSIXBM(0), |
769 | (E1000_EICR_RX_QUEUE0 | E1000_EIMS_OTHER)); | 865 | (E1000_EICR_RX_QUEUE0 | |
866 | E1000_EICR_TX_QUEUE0 | | ||
867 | E1000_EIMS_OTHER)); | ||
770 | break; | 868 | break; |
771 | case e1000_82576: | 869 | case e1000_82576: |
772 | wr32(E1000_IVAR0, E1000_IVAR_VALID); | 870 | wr32(E1000_IVAR0, E1000_IVAR_VALID); |
@@ -778,16 +876,17 @@ static int igb_request_irq(struct igb_adapter *adapter) | |||
778 | 876 | ||
779 | if (adapter->flags & IGB_FLAG_HAS_MSI) { | 877 | if (adapter->flags & IGB_FLAG_HAS_MSI) { |
780 | err = request_irq(adapter->pdev->irq, &igb_intr_msi, 0, | 878 | err = request_irq(adapter->pdev->irq, &igb_intr_msi, 0, |
781 | netdev->name, netdev); | 879 | netdev->name, adapter); |
782 | if (!err) | 880 | if (!err) |
783 | goto request_done; | 881 | goto request_done; |
882 | |||
784 | /* fall back to legacy interrupts */ | 883 | /* fall back to legacy interrupts */ |
785 | igb_reset_interrupt_capability(adapter); | 884 | igb_reset_interrupt_capability(adapter); |
786 | adapter->flags &= ~IGB_FLAG_HAS_MSI; | 885 | adapter->flags &= ~IGB_FLAG_HAS_MSI; |
787 | } | 886 | } |
788 | 887 | ||
789 | err = request_irq(adapter->pdev->irq, &igb_intr, IRQF_SHARED, | 888 | err = request_irq(adapter->pdev->irq, &igb_intr, IRQF_SHARED, |
790 | netdev->name, netdev); | 889 | netdev->name, adapter); |
791 | 890 | ||
792 | if (err) | 891 | if (err) |
793 | dev_err(&adapter->pdev->dev, "Error %d getting interrupt\n", | 892 | dev_err(&adapter->pdev->dev, "Error %d getting interrupt\n", |
@@ -799,23 +898,19 @@ request_done: | |||
799 | 898 | ||
800 | static void igb_free_irq(struct igb_adapter *adapter) | 899 | static void igb_free_irq(struct igb_adapter *adapter) |
801 | { | 900 | { |
802 | struct net_device *netdev = adapter->netdev; | ||
803 | |||
804 | if (adapter->msix_entries) { | 901 | if (adapter->msix_entries) { |
805 | int vector = 0, i; | 902 | int vector = 0, i; |
806 | 903 | ||
807 | for (i = 0; i < adapter->num_tx_queues; i++) | 904 | free_irq(adapter->msix_entries[vector++].vector, adapter); |
808 | free_irq(adapter->msix_entries[vector++].vector, | ||
809 | &(adapter->tx_ring[i])); | ||
810 | for (i = 0; i < adapter->num_rx_queues; i++) | ||
811 | free_irq(adapter->msix_entries[vector++].vector, | ||
812 | &(adapter->rx_ring[i])); | ||
813 | 905 | ||
814 | free_irq(adapter->msix_entries[vector++].vector, netdev); | 906 | for (i = 0; i < adapter->num_q_vectors; i++) { |
815 | return; | 907 | struct igb_q_vector *q_vector = adapter->q_vector[i]; |
908 | free_irq(adapter->msix_entries[vector++].vector, | ||
909 | q_vector); | ||
910 | } | ||
911 | } else { | ||
912 | free_irq(adapter->pdev->irq, adapter); | ||
816 | } | 913 | } |
817 | |||
818 | free_irq(adapter->pdev->irq, netdev); | ||
819 | } | 914 | } |
820 | 915 | ||
821 | /** | 916 | /** |
@@ -826,6 +921,11 @@ static void igb_irq_disable(struct igb_adapter *adapter) | |||
826 | { | 921 | { |
827 | struct e1000_hw *hw = &adapter->hw; | 922 | struct e1000_hw *hw = &adapter->hw; |
828 | 923 | ||
924 | /* | ||
925 | * we need to be careful when disabling interrupts. The VFs are also | ||
926 | * mapped into these registers and so clearing the bits can cause | ||
927 | * issues on the VF drivers so we only need to clear what we set | ||
928 | */ | ||
829 | if (adapter->msix_entries) { | 929 | if (adapter->msix_entries) { |
830 | u32 regval = rd32(E1000_EIAM); | 930 | u32 regval = rd32(E1000_EIAM); |
831 | wr32(E1000_EIAM, regval & ~adapter->eims_enable_mask); | 931 | wr32(E1000_EIAM, regval & ~adapter->eims_enable_mask); |
@@ -849,15 +949,17 @@ static void igb_irq_enable(struct igb_adapter *adapter) | |||
849 | struct e1000_hw *hw = &adapter->hw; | 949 | struct e1000_hw *hw = &adapter->hw; |
850 | 950 | ||
851 | if (adapter->msix_entries) { | 951 | if (adapter->msix_entries) { |
952 | u32 ims = E1000_IMS_LSC | E1000_IMS_DOUTSYNC; | ||
852 | u32 regval = rd32(E1000_EIAC); | 953 | u32 regval = rd32(E1000_EIAC); |
853 | wr32(E1000_EIAC, regval | adapter->eims_enable_mask); | 954 | wr32(E1000_EIAC, regval | adapter->eims_enable_mask); |
854 | regval = rd32(E1000_EIAM); | 955 | regval = rd32(E1000_EIAM); |
855 | wr32(E1000_EIAM, regval | adapter->eims_enable_mask); | 956 | wr32(E1000_EIAM, regval | adapter->eims_enable_mask); |
856 | wr32(E1000_EIMS, adapter->eims_enable_mask); | 957 | wr32(E1000_EIMS, adapter->eims_enable_mask); |
857 | if (adapter->vfs_allocated_count) | 958 | if (adapter->vfs_allocated_count) { |
858 | wr32(E1000_MBVFIMR, 0xFF); | 959 | wr32(E1000_MBVFIMR, 0xFF); |
859 | wr32(E1000_IMS, (E1000_IMS_LSC | E1000_IMS_VMMB | | 960 | ims |= E1000_IMS_VMMB; |
860 | E1000_IMS_DOUTSYNC)); | 961 | } |
962 | wr32(E1000_IMS, ims); | ||
861 | } else { | 963 | } else { |
862 | wr32(E1000_IMS, IMS_ENABLE_MASK); | 964 | wr32(E1000_IMS, IMS_ENABLE_MASK); |
863 | wr32(E1000_IAM, IMS_ENABLE_MASK); | 965 | wr32(E1000_IAM, IMS_ENABLE_MASK); |
@@ -866,24 +968,23 @@ static void igb_irq_enable(struct igb_adapter *adapter) | |||
866 | 968 | ||
867 | static void igb_update_mng_vlan(struct igb_adapter *adapter) | 969 | static void igb_update_mng_vlan(struct igb_adapter *adapter) |
868 | { | 970 | { |
869 | struct net_device *netdev = adapter->netdev; | 971 | struct e1000_hw *hw = &adapter->hw; |
870 | u16 vid = adapter->hw.mng_cookie.vlan_id; | 972 | u16 vid = adapter->hw.mng_cookie.vlan_id; |
871 | u16 old_vid = adapter->mng_vlan_id; | 973 | u16 old_vid = adapter->mng_vlan_id; |
872 | if (adapter->vlgrp) { | ||
873 | if (!vlan_group_get_device(adapter->vlgrp, vid)) { | ||
874 | if (adapter->hw.mng_cookie.status & | ||
875 | E1000_MNG_DHCP_COOKIE_STATUS_VLAN) { | ||
876 | igb_vlan_rx_add_vid(netdev, vid); | ||
877 | adapter->mng_vlan_id = vid; | ||
878 | } else | ||
879 | adapter->mng_vlan_id = IGB_MNG_VLAN_NONE; | ||
880 | 974 | ||
881 | if ((old_vid != (u16)IGB_MNG_VLAN_NONE) && | 975 | if (hw->mng_cookie.status & E1000_MNG_DHCP_COOKIE_STATUS_VLAN) { |
882 | (vid != old_vid) && | 976 | /* add VID to filter table */ |
883 | !vlan_group_get_device(adapter->vlgrp, old_vid)) | 977 | igb_vfta_set(hw, vid, true); |
884 | igb_vlan_rx_kill_vid(netdev, old_vid); | 978 | adapter->mng_vlan_id = vid; |
885 | } else | 979 | } else { |
886 | adapter->mng_vlan_id = vid; | 980 | adapter->mng_vlan_id = IGB_MNG_VLAN_NONE; |
981 | } | ||
982 | |||
983 | if ((old_vid != (u16)IGB_MNG_VLAN_NONE) && | ||
984 | (vid != old_vid) && | ||
985 | !vlan_group_get_device(adapter->vlgrp, old_vid)) { | ||
986 | /* remove VID from filter table */ | ||
987 | igb_vfta_set(hw, old_vid, false); | ||
887 | } | 988 | } |
888 | } | 989 | } |
889 | 990 | ||
@@ -907,7 +1008,6 @@ static void igb_release_hw_control(struct igb_adapter *adapter) | |||
907 | ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD); | 1008 | ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD); |
908 | } | 1009 | } |
909 | 1010 | ||
910 | |||
911 | /** | 1011 | /** |
912 | * igb_get_hw_control - get control of the h/w from f/w | 1012 | * igb_get_hw_control - get control of the h/w from f/w |
913 | * @adapter: address of board private structure | 1013 | * @adapter: address of board private structure |
@@ -942,8 +1042,11 @@ static void igb_configure(struct igb_adapter *adapter) | |||
942 | 1042 | ||
943 | igb_restore_vlan(adapter); | 1043 | igb_restore_vlan(adapter); |
944 | 1044 | ||
945 | igb_configure_tx(adapter); | 1045 | igb_setup_tctl(adapter); |
1046 | igb_setup_mrqc(adapter); | ||
946 | igb_setup_rctl(adapter); | 1047 | igb_setup_rctl(adapter); |
1048 | |||
1049 | igb_configure_tx(adapter); | ||
947 | igb_configure_rx(adapter); | 1050 | igb_configure_rx(adapter); |
948 | 1051 | ||
949 | igb_rx_fifo_flush_82575(&adapter->hw); | 1052 | igb_rx_fifo_flush_82575(&adapter->hw); |
@@ -965,7 +1068,6 @@ static void igb_configure(struct igb_adapter *adapter) | |||
965 | * igb_up - Open the interface and prepare it to handle traffic | 1068 | * igb_up - Open the interface and prepare it to handle traffic |
966 | * @adapter: board private structure | 1069 | * @adapter: board private structure |
967 | **/ | 1070 | **/ |
968 | |||
969 | int igb_up(struct igb_adapter *adapter) | 1071 | int igb_up(struct igb_adapter *adapter) |
970 | { | 1072 | { |
971 | struct e1000_hw *hw = &adapter->hw; | 1073 | struct e1000_hw *hw = &adapter->hw; |
@@ -976,30 +1078,37 @@ int igb_up(struct igb_adapter *adapter) | |||
976 | 1078 | ||
977 | clear_bit(__IGB_DOWN, &adapter->state); | 1079 | clear_bit(__IGB_DOWN, &adapter->state); |
978 | 1080 | ||
979 | for (i = 0; i < adapter->num_rx_queues; i++) | 1081 | for (i = 0; i < adapter->num_q_vectors; i++) { |
980 | napi_enable(&adapter->rx_ring[i].napi); | 1082 | struct igb_q_vector *q_vector = adapter->q_vector[i]; |
1083 | napi_enable(&q_vector->napi); | ||
1084 | } | ||
981 | if (adapter->msix_entries) | 1085 | if (adapter->msix_entries) |
982 | igb_configure_msix(adapter); | 1086 | igb_configure_msix(adapter); |
983 | 1087 | ||
984 | igb_vmm_control(adapter); | ||
985 | igb_set_rah_pool(hw, adapter->vfs_allocated_count, 0); | ||
986 | igb_set_vmolr(hw, adapter->vfs_allocated_count); | ||
987 | |||
988 | /* Clear any pending interrupts. */ | 1088 | /* Clear any pending interrupts. */ |
989 | rd32(E1000_ICR); | 1089 | rd32(E1000_ICR); |
990 | igb_irq_enable(adapter); | 1090 | igb_irq_enable(adapter); |
991 | 1091 | ||
1092 | /* notify VFs that reset has been completed */ | ||
1093 | if (adapter->vfs_allocated_count) { | ||
1094 | u32 reg_data = rd32(E1000_CTRL_EXT); | ||
1095 | reg_data |= E1000_CTRL_EXT_PFRSTD; | ||
1096 | wr32(E1000_CTRL_EXT, reg_data); | ||
1097 | } | ||
1098 | |||
992 | netif_tx_start_all_queues(adapter->netdev); | 1099 | netif_tx_start_all_queues(adapter->netdev); |
993 | 1100 | ||
994 | /* Fire a link change interrupt to start the watchdog. */ | 1101 | /* start the watchdog. */ |
995 | wr32(E1000_ICS, E1000_ICS_LSC); | 1102 | hw->mac.get_link_status = 1; |
1103 | schedule_work(&adapter->watchdog_task); | ||
1104 | |||
996 | return 0; | 1105 | return 0; |
997 | } | 1106 | } |
998 | 1107 | ||
999 | void igb_down(struct igb_adapter *adapter) | 1108 | void igb_down(struct igb_adapter *adapter) |
1000 | { | 1109 | { |
1001 | struct e1000_hw *hw = &adapter->hw; | ||
1002 | struct net_device *netdev = adapter->netdev; | 1110 | struct net_device *netdev = adapter->netdev; |
1111 | struct e1000_hw *hw = &adapter->hw; | ||
1003 | u32 tctl, rctl; | 1112 | u32 tctl, rctl; |
1004 | int i; | 1113 | int i; |
1005 | 1114 | ||
@@ -1022,8 +1131,10 @@ void igb_down(struct igb_adapter *adapter) | |||
1022 | wrfl(); | 1131 | wrfl(); |
1023 | msleep(10); | 1132 | msleep(10); |
1024 | 1133 | ||
1025 | for (i = 0; i < adapter->num_rx_queues; i++) | 1134 | for (i = 0; i < adapter->num_q_vectors; i++) { |
1026 | napi_disable(&adapter->rx_ring[i].napi); | 1135 | struct igb_q_vector *q_vector = adapter->q_vector[i]; |
1136 | napi_disable(&q_vector->napi); | ||
1137 | } | ||
1027 | 1138 | ||
1028 | igb_irq_disable(adapter); | 1139 | igb_irq_disable(adapter); |
1029 | 1140 | ||
@@ -1062,6 +1173,7 @@ void igb_reinit_locked(struct igb_adapter *adapter) | |||
1062 | 1173 | ||
1063 | void igb_reset(struct igb_adapter *adapter) | 1174 | void igb_reset(struct igb_adapter *adapter) |
1064 | { | 1175 | { |
1176 | struct pci_dev *pdev = adapter->pdev; | ||
1065 | struct e1000_hw *hw = &adapter->hw; | 1177 | struct e1000_hw *hw = &adapter->hw; |
1066 | struct e1000_mac_info *mac = &hw->mac; | 1178 | struct e1000_mac_info *mac = &hw->mac; |
1067 | struct e1000_fc_info *fc = &hw->fc; | 1179 | struct e1000_fc_info *fc = &hw->fc; |
@@ -1073,7 +1185,8 @@ void igb_reset(struct igb_adapter *adapter) | |||
1073 | */ | 1185 | */ |
1074 | switch (mac->type) { | 1186 | switch (mac->type) { |
1075 | case e1000_82576: | 1187 | case e1000_82576: |
1076 | pba = E1000_PBA_64K; | 1188 | pba = rd32(E1000_RXPBS); |
1189 | pba &= E1000_RXPBS_SIZE_MASK_82576; | ||
1077 | break; | 1190 | break; |
1078 | case e1000_82575: | 1191 | case e1000_82575: |
1079 | default: | 1192 | default: |
@@ -1148,10 +1261,10 @@ void igb_reset(struct igb_adapter *adapter) | |||
1148 | if (adapter->vfs_allocated_count) { | 1261 | if (adapter->vfs_allocated_count) { |
1149 | int i; | 1262 | int i; |
1150 | for (i = 0 ; i < adapter->vfs_allocated_count; i++) | 1263 | for (i = 0 ; i < adapter->vfs_allocated_count; i++) |
1151 | adapter->vf_data[i].clear_to_send = false; | 1264 | adapter->vf_data[i].flags = 0; |
1152 | 1265 | ||
1153 | /* ping all the active vfs to let them know we are going down */ | 1266 | /* ping all the active vfs to let them know we are going down */ |
1154 | igb_ping_all_vfs(adapter); | 1267 | igb_ping_all_vfs(adapter); |
1155 | 1268 | ||
1156 | /* disable transmits and receives */ | 1269 | /* disable transmits and receives */ |
1157 | wr32(E1000_VFRE, 0); | 1270 | wr32(E1000_VFRE, 0); |
@@ -1159,23 +1272,23 @@ void igb_reset(struct igb_adapter *adapter) | |||
1159 | } | 1272 | } |
1160 | 1273 | ||
1161 | /* Allow time for pending master requests to run */ | 1274 | /* Allow time for pending master requests to run */ |
1162 | adapter->hw.mac.ops.reset_hw(&adapter->hw); | 1275 | hw->mac.ops.reset_hw(hw); |
1163 | wr32(E1000_WUC, 0); | 1276 | wr32(E1000_WUC, 0); |
1164 | 1277 | ||
1165 | if (adapter->hw.mac.ops.init_hw(&adapter->hw)) | 1278 | if (hw->mac.ops.init_hw(hw)) |
1166 | dev_err(&adapter->pdev->dev, "Hardware Error\n"); | 1279 | dev_err(&pdev->dev, "Hardware Error\n"); |
1167 | 1280 | ||
1168 | igb_update_mng_vlan(adapter); | 1281 | igb_update_mng_vlan(adapter); |
1169 | 1282 | ||
1170 | /* Enable h/w to recognize an 802.1Q VLAN Ethernet packet */ | 1283 | /* Enable h/w to recognize an 802.1Q VLAN Ethernet packet */ |
1171 | wr32(E1000_VET, ETHERNET_IEEE_VLAN_TYPE); | 1284 | wr32(E1000_VET, ETHERNET_IEEE_VLAN_TYPE); |
1172 | 1285 | ||
1173 | igb_reset_adaptive(&adapter->hw); | 1286 | igb_reset_adaptive(hw); |
1174 | igb_get_phy_info(&adapter->hw); | 1287 | igb_get_phy_info(hw); |
1175 | } | 1288 | } |
1176 | 1289 | ||
1177 | static const struct net_device_ops igb_netdev_ops = { | 1290 | static const struct net_device_ops igb_netdev_ops = { |
1178 | .ndo_open = igb_open, | 1291 | .ndo_open = igb_open, |
1179 | .ndo_stop = igb_close, | 1292 | .ndo_stop = igb_close, |
1180 | .ndo_start_xmit = igb_xmit_frame_adv, | 1293 | .ndo_start_xmit = igb_xmit_frame_adv, |
1181 | .ndo_get_stats = igb_get_stats, | 1294 | .ndo_get_stats = igb_get_stats, |
@@ -1211,10 +1324,11 @@ static int __devinit igb_probe(struct pci_dev *pdev, | |||
1211 | struct net_device *netdev; | 1324 | struct net_device *netdev; |
1212 | struct igb_adapter *adapter; | 1325 | struct igb_adapter *adapter; |
1213 | struct e1000_hw *hw; | 1326 | struct e1000_hw *hw; |
1327 | u16 eeprom_data = 0; | ||
1328 | static int global_quad_port_a; /* global quad port a indication */ | ||
1214 | const struct e1000_info *ei = igb_info_tbl[ent->driver_data]; | 1329 | const struct e1000_info *ei = igb_info_tbl[ent->driver_data]; |
1215 | unsigned long mmio_start, mmio_len; | 1330 | unsigned long mmio_start, mmio_len; |
1216 | int err, pci_using_dac; | 1331 | int err, pci_using_dac; |
1217 | u16 eeprom_data = 0; | ||
1218 | u16 eeprom_apme_mask = IGB_EEPROM_APME; | 1332 | u16 eeprom_apme_mask = IGB_EEPROM_APME; |
1219 | u32 part_num; | 1333 | u32 part_num; |
1220 | 1334 | ||
@@ -1291,8 +1405,6 @@ static int __devinit igb_probe(struct pci_dev *pdev, | |||
1291 | hw->subsystem_vendor_id = pdev->subsystem_vendor; | 1405 | hw->subsystem_vendor_id = pdev->subsystem_vendor; |
1292 | hw->subsystem_device_id = pdev->subsystem_device; | 1406 | hw->subsystem_device_id = pdev->subsystem_device; |
1293 | 1407 | ||
1294 | /* setup the private structure */ | ||
1295 | hw->back = adapter; | ||
1296 | /* Copy the default MAC, PHY and NVM function pointers */ | 1408 | /* Copy the default MAC, PHY and NVM function pointers */ |
1297 | memcpy(&hw->mac.ops, ei->mac_ops, sizeof(hw->mac.ops)); | 1409 | memcpy(&hw->mac.ops, ei->mac_ops, sizeof(hw->mac.ops)); |
1298 | memcpy(&hw->phy.ops, ei->phy_ops, sizeof(hw->phy.ops)); | 1410 | memcpy(&hw->phy.ops, ei->phy_ops, sizeof(hw->phy.ops)); |
@@ -1302,46 +1414,6 @@ static int __devinit igb_probe(struct pci_dev *pdev, | |||
1302 | if (err) | 1414 | if (err) |
1303 | goto err_sw_init; | 1415 | goto err_sw_init; |
1304 | 1416 | ||
1305 | #ifdef CONFIG_PCI_IOV | ||
1306 | /* since iov functionality isn't critical to base device function we | ||
1307 | * can accept failure. If it fails we don't allow iov to be enabled */ | ||
1308 | if (hw->mac.type == e1000_82576) { | ||
1309 | /* 82576 supports a maximum of 7 VFs in addition to the PF */ | ||
1310 | unsigned int num_vfs = (max_vfs > 7) ? 7 : max_vfs; | ||
1311 | int i; | ||
1312 | unsigned char mac_addr[ETH_ALEN]; | ||
1313 | |||
1314 | if (num_vfs) { | ||
1315 | adapter->vf_data = kcalloc(num_vfs, | ||
1316 | sizeof(struct vf_data_storage), | ||
1317 | GFP_KERNEL); | ||
1318 | if (!adapter->vf_data) { | ||
1319 | dev_err(&pdev->dev, | ||
1320 | "Could not allocate VF private data - " | ||
1321 | "IOV enable failed\n"); | ||
1322 | } else { | ||
1323 | err = pci_enable_sriov(pdev, num_vfs); | ||
1324 | if (!err) { | ||
1325 | adapter->vfs_allocated_count = num_vfs; | ||
1326 | dev_info(&pdev->dev, | ||
1327 | "%d vfs allocated\n", | ||
1328 | num_vfs); | ||
1329 | for (i = 0; | ||
1330 | i < adapter->vfs_allocated_count; | ||
1331 | i++) { | ||
1332 | random_ether_addr(mac_addr); | ||
1333 | igb_set_vf_mac(adapter, i, | ||
1334 | mac_addr); | ||
1335 | } | ||
1336 | } else { | ||
1337 | kfree(adapter->vf_data); | ||
1338 | adapter->vf_data = NULL; | ||
1339 | } | ||
1340 | } | ||
1341 | } | ||
1342 | } | ||
1343 | |||
1344 | #endif | ||
1345 | /* setup the private structure */ | 1417 | /* setup the private structure */ |
1346 | err = igb_sw_init(adapter); | 1418 | err = igb_sw_init(adapter); |
1347 | if (err) | 1419 | if (err) |
@@ -1349,16 +1421,6 @@ static int __devinit igb_probe(struct pci_dev *pdev, | |||
1349 | 1421 | ||
1350 | igb_get_bus_info_pcie(hw); | 1422 | igb_get_bus_info_pcie(hw); |
1351 | 1423 | ||
1352 | /* set flags */ | ||
1353 | switch (hw->mac.type) { | ||
1354 | case e1000_82575: | ||
1355 | adapter->flags |= IGB_FLAG_NEED_CTX_IDX; | ||
1356 | break; | ||
1357 | case e1000_82576: | ||
1358 | default: | ||
1359 | break; | ||
1360 | } | ||
1361 | |||
1362 | hw->phy.autoneg_wait_to_complete = false; | 1424 | hw->phy.autoneg_wait_to_complete = false; |
1363 | hw->mac.adaptive_ifs = true; | 1425 | hw->mac.adaptive_ifs = true; |
1364 | 1426 | ||
@@ -1382,7 +1444,6 @@ static int __devinit igb_probe(struct pci_dev *pdev, | |||
1382 | netdev->features |= NETIF_F_IPV6_CSUM; | 1444 | netdev->features |= NETIF_F_IPV6_CSUM; |
1383 | netdev->features |= NETIF_F_TSO; | 1445 | netdev->features |= NETIF_F_TSO; |
1384 | netdev->features |= NETIF_F_TSO6; | 1446 | netdev->features |= NETIF_F_TSO6; |
1385 | |||
1386 | netdev->features |= NETIF_F_GRO; | 1447 | netdev->features |= NETIF_F_GRO; |
1387 | 1448 | ||
1388 | netdev->vlan_features |= NETIF_F_TSO; | 1449 | netdev->vlan_features |= NETIF_F_TSO; |
@@ -1394,10 +1455,10 @@ static int __devinit igb_probe(struct pci_dev *pdev, | |||
1394 | if (pci_using_dac) | 1455 | if (pci_using_dac) |
1395 | netdev->features |= NETIF_F_HIGHDMA; | 1456 | netdev->features |= NETIF_F_HIGHDMA; |
1396 | 1457 | ||
1397 | if (adapter->hw.mac.type == e1000_82576) | 1458 | if (hw->mac.type >= e1000_82576) |
1398 | netdev->features |= NETIF_F_SCTP_CSUM; | 1459 | netdev->features |= NETIF_F_SCTP_CSUM; |
1399 | 1460 | ||
1400 | adapter->en_mng_pt = igb_enable_mng_pass_thru(&adapter->hw); | 1461 | adapter->en_mng_pt = igb_enable_mng_pass_thru(hw); |
1401 | 1462 | ||
1402 | /* before reading the NVM, reset the controller to put the device in a | 1463 | /* before reading the NVM, reset the controller to put the device in a |
1403 | * known good starting state */ | 1464 | * known good starting state */ |
@@ -1439,9 +1500,6 @@ static int __devinit igb_probe(struct pci_dev *pdev, | |||
1439 | hw->fc.requested_mode = e1000_fc_default; | 1500 | hw->fc.requested_mode = e1000_fc_default; |
1440 | hw->fc.current_mode = e1000_fc_default; | 1501 | hw->fc.current_mode = e1000_fc_default; |
1441 | 1502 | ||
1442 | adapter->itr_setting = IGB_DEFAULT_ITR; | ||
1443 | adapter->itr = IGB_START_ITR; | ||
1444 | |||
1445 | igb_validate_mdi_setting(hw); | 1503 | igb_validate_mdi_setting(hw); |
1446 | 1504 | ||
1447 | /* Initial Wake on LAN setting If APM wake is enabled in the EEPROM, | 1505 | /* Initial Wake on LAN setting If APM wake is enabled in the EEPROM, |
@@ -1508,66 +1566,14 @@ static int __devinit igb_probe(struct pci_dev *pdev, | |||
1508 | dev_info(&pdev->dev, "DCA enabled\n"); | 1566 | dev_info(&pdev->dev, "DCA enabled\n"); |
1509 | igb_setup_dca(adapter); | 1567 | igb_setup_dca(adapter); |
1510 | } | 1568 | } |
1511 | #endif | ||
1512 | |||
1513 | /* | ||
1514 | * Initialize hardware timer: we keep it running just in case | ||
1515 | * that some program needs it later on. | ||
1516 | */ | ||
1517 | memset(&adapter->cycles, 0, sizeof(adapter->cycles)); | ||
1518 | adapter->cycles.read = igb_read_clock; | ||
1519 | adapter->cycles.mask = CLOCKSOURCE_MASK(64); | ||
1520 | adapter->cycles.mult = 1; | ||
1521 | adapter->cycles.shift = IGB_TSYNC_SHIFT; | ||
1522 | wr32(E1000_TIMINCA, | ||
1523 | (1<<24) | | ||
1524 | IGB_TSYNC_CYCLE_TIME_IN_NANOSECONDS * IGB_TSYNC_SCALE); | ||
1525 | #if 0 | ||
1526 | /* | ||
1527 | * Avoid rollover while we initialize by resetting the time counter. | ||
1528 | */ | ||
1529 | wr32(E1000_SYSTIML, 0x00000000); | ||
1530 | wr32(E1000_SYSTIMH, 0x00000000); | ||
1531 | #else | ||
1532 | /* | ||
1533 | * Set registers so that rollover occurs soon to test this. | ||
1534 | */ | ||
1535 | wr32(E1000_SYSTIML, 0x00000000); | ||
1536 | wr32(E1000_SYSTIMH, 0xFF800000); | ||
1537 | #endif | ||
1538 | wrfl(); | ||
1539 | timecounter_init(&adapter->clock, | ||
1540 | &adapter->cycles, | ||
1541 | ktime_to_ns(ktime_get_real())); | ||
1542 | |||
1543 | /* | ||
1544 | * Synchronize our NIC clock against system wall clock. NIC | ||
1545 | * time stamp reading requires ~3us per sample, each sample | ||
1546 | * was pretty stable even under load => only require 10 | ||
1547 | * samples for each offset comparison. | ||
1548 | */ | ||
1549 | memset(&adapter->compare, 0, sizeof(adapter->compare)); | ||
1550 | adapter->compare.source = &adapter->clock; | ||
1551 | adapter->compare.target = ktime_get_real; | ||
1552 | adapter->compare.num_samples = 10; | ||
1553 | timecompare_update(&adapter->compare, 0); | ||
1554 | 1569 | ||
1555 | #ifdef DEBUG | ||
1556 | { | ||
1557 | char buffer[160]; | ||
1558 | printk(KERN_DEBUG | ||
1559 | "igb: %s: hw %p initialized timer\n", | ||
1560 | igb_get_time_str(adapter, buffer), | ||
1561 | &adapter->hw); | ||
1562 | } | ||
1563 | #endif | 1570 | #endif |
1564 | |||
1565 | dev_info(&pdev->dev, "Intel(R) Gigabit Ethernet Network Connection\n"); | 1571 | dev_info(&pdev->dev, "Intel(R) Gigabit Ethernet Network Connection\n"); |
1566 | /* print bus type/speed/width info */ | 1572 | /* print bus type/speed/width info */ |
1567 | dev_info(&pdev->dev, "%s: (PCIe:%s:%s) %pM\n", | 1573 | dev_info(&pdev->dev, "%s: (PCIe:%s:%s) %pM\n", |
1568 | netdev->name, | 1574 | netdev->name, |
1569 | ((hw->bus.speed == e1000_bus_speed_2500) | 1575 | ((hw->bus.speed == e1000_bus_speed_2500) ? "2.5Gb/s" : |
1570 | ? "2.5Gb/s" : "unknown"), | 1576 | "unknown"), |
1571 | ((hw->bus.width == e1000_bus_width_pcie_x4) ? "Width x4" : | 1577 | ((hw->bus.width == e1000_bus_width_pcie_x4) ? "Width x4" : |
1572 | (hw->bus.width == e1000_bus_width_pcie_x2) ? "Width x2" : | 1578 | (hw->bus.width == e1000_bus_width_pcie_x2) ? "Width x2" : |
1573 | (hw->bus.width == e1000_bus_width_pcie_x1) ? "Width x1" : | 1579 | (hw->bus.width == e1000_bus_width_pcie_x1) ? "Width x1" : |
@@ -1594,15 +1600,14 @@ err_eeprom: | |||
1594 | 1600 | ||
1595 | if (hw->flash_address) | 1601 | if (hw->flash_address) |
1596 | iounmap(hw->flash_address); | 1602 | iounmap(hw->flash_address); |
1597 | |||
1598 | igb_free_queues(adapter); | ||
1599 | err_sw_init: | 1603 | err_sw_init: |
1604 | igb_clear_interrupt_scheme(adapter); | ||
1600 | iounmap(hw->hw_addr); | 1605 | iounmap(hw->hw_addr); |
1601 | err_ioremap: | 1606 | err_ioremap: |
1602 | free_netdev(netdev); | 1607 | free_netdev(netdev); |
1603 | err_alloc_etherdev: | 1608 | err_alloc_etherdev: |
1604 | pci_release_selected_regions(pdev, pci_select_bars(pdev, | 1609 | pci_release_selected_regions(pdev, |
1605 | IORESOURCE_MEM)); | 1610 | pci_select_bars(pdev, IORESOURCE_MEM)); |
1606 | err_pci_reg: | 1611 | err_pci_reg: |
1607 | err_dma: | 1612 | err_dma: |
1608 | pci_disable_device(pdev); | 1613 | pci_disable_device(pdev); |
@@ -1647,12 +1652,10 @@ static void __devexit igb_remove(struct pci_dev *pdev) | |||
1647 | 1652 | ||
1648 | unregister_netdev(netdev); | 1653 | unregister_netdev(netdev); |
1649 | 1654 | ||
1650 | if (!igb_check_reset_block(&adapter->hw)) | 1655 | if (!igb_check_reset_block(hw)) |
1651 | igb_reset_phy(&adapter->hw); | 1656 | igb_reset_phy(hw); |
1652 | |||
1653 | igb_reset_interrupt_capability(adapter); | ||
1654 | 1657 | ||
1655 | igb_free_queues(adapter); | 1658 | igb_clear_interrupt_scheme(adapter); |
1656 | 1659 | ||
1657 | #ifdef CONFIG_PCI_IOV | 1660 | #ifdef CONFIG_PCI_IOV |
1658 | /* reclaim resources allocated to VFs */ | 1661 | /* reclaim resources allocated to VFs */ |
@@ -1668,11 +1671,12 @@ static void __devexit igb_remove(struct pci_dev *pdev) | |||
1668 | dev_info(&pdev->dev, "IOV Disabled\n"); | 1671 | dev_info(&pdev->dev, "IOV Disabled\n"); |
1669 | } | 1672 | } |
1670 | #endif | 1673 | #endif |
1674 | |||
1671 | iounmap(hw->hw_addr); | 1675 | iounmap(hw->hw_addr); |
1672 | if (hw->flash_address) | 1676 | if (hw->flash_address) |
1673 | iounmap(hw->flash_address); | 1677 | iounmap(hw->flash_address); |
1674 | pci_release_selected_regions(pdev, pci_select_bars(pdev, | 1678 | pci_release_selected_regions(pdev, |
1675 | IORESOURCE_MEM)); | 1679 | pci_select_bars(pdev, IORESOURCE_MEM)); |
1676 | 1680 | ||
1677 | free_netdev(netdev); | 1681 | free_netdev(netdev); |
1678 | 1682 | ||
@@ -1682,6 +1686,118 @@ static void __devexit igb_remove(struct pci_dev *pdev) | |||
1682 | } | 1686 | } |
1683 | 1687 | ||
1684 | /** | 1688 | /** |
1689 | * igb_probe_vfs - Initialize vf data storage and add VFs to pci config space | ||
1690 | * @adapter: board private structure to initialize | ||
1691 | * | ||
1692 | * This function initializes the vf specific data storage and then attempts to | ||
1693 | * allocate the VFs. The reason for ordering it this way is because it is much | ||
1694 | * mor expensive time wise to disable SR-IOV than it is to allocate and free | ||
1695 | * the memory for the VFs. | ||
1696 | **/ | ||
1697 | static void __devinit igb_probe_vfs(struct igb_adapter * adapter) | ||
1698 | { | ||
1699 | #ifdef CONFIG_PCI_IOV | ||
1700 | struct pci_dev *pdev = adapter->pdev; | ||
1701 | |||
1702 | if (adapter->vfs_allocated_count > 7) | ||
1703 | adapter->vfs_allocated_count = 7; | ||
1704 | |||
1705 | if (adapter->vfs_allocated_count) { | ||
1706 | adapter->vf_data = kcalloc(adapter->vfs_allocated_count, | ||
1707 | sizeof(struct vf_data_storage), | ||
1708 | GFP_KERNEL); | ||
1709 | /* if allocation failed then we do not support SR-IOV */ | ||
1710 | if (!adapter->vf_data) { | ||
1711 | adapter->vfs_allocated_count = 0; | ||
1712 | dev_err(&pdev->dev, "Unable to allocate memory for VF " | ||
1713 | "Data Storage\n"); | ||
1714 | } | ||
1715 | } | ||
1716 | |||
1717 | if (pci_enable_sriov(pdev, adapter->vfs_allocated_count)) { | ||
1718 | kfree(adapter->vf_data); | ||
1719 | adapter->vf_data = NULL; | ||
1720 | #endif /* CONFIG_PCI_IOV */ | ||
1721 | adapter->vfs_allocated_count = 0; | ||
1722 | #ifdef CONFIG_PCI_IOV | ||
1723 | } else { | ||
1724 | unsigned char mac_addr[ETH_ALEN]; | ||
1725 | int i; | ||
1726 | dev_info(&pdev->dev, "%d vfs allocated\n", | ||
1727 | adapter->vfs_allocated_count); | ||
1728 | for (i = 0; i < adapter->vfs_allocated_count; i++) { | ||
1729 | random_ether_addr(mac_addr); | ||
1730 | igb_set_vf_mac(adapter, i, mac_addr); | ||
1731 | } | ||
1732 | } | ||
1733 | #endif /* CONFIG_PCI_IOV */ | ||
1734 | } | ||
1735 | |||
1736 | |||
1737 | /** | ||
1738 | * igb_init_hw_timer - Initialize hardware timer used with IEEE 1588 timestamp | ||
1739 | * @adapter: board private structure to initialize | ||
1740 | * | ||
1741 | * igb_init_hw_timer initializes the function pointer and values for the hw | ||
1742 | * timer found in hardware. | ||
1743 | **/ | ||
1744 | static void igb_init_hw_timer(struct igb_adapter *adapter) | ||
1745 | { | ||
1746 | struct e1000_hw *hw = &adapter->hw; | ||
1747 | |||
1748 | switch (hw->mac.type) { | ||
1749 | case e1000_82576: | ||
1750 | /* | ||
1751 | * Initialize hardware timer: we keep it running just in case | ||
1752 | * that some program needs it later on. | ||
1753 | */ | ||
1754 | memset(&adapter->cycles, 0, sizeof(adapter->cycles)); | ||
1755 | adapter->cycles.read = igb_read_clock; | ||
1756 | adapter->cycles.mask = CLOCKSOURCE_MASK(64); | ||
1757 | adapter->cycles.mult = 1; | ||
1758 | /** | ||
1759 | * Scale the NIC clock cycle by a large factor so that | ||
1760 | * relatively small clock corrections can be added or | ||
1761 | * substracted at each clock tick. The drawbacks of a large | ||
1762 | * factor are a) that the clock register overflows more quickly | ||
1763 | * (not such a big deal) and b) that the increment per tick has | ||
1764 | * to fit into 24 bits. As a result we need to use a shift of | ||
1765 | * 19 so we can fit a value of 16 into the TIMINCA register. | ||
1766 | */ | ||
1767 | adapter->cycles.shift = IGB_82576_TSYNC_SHIFT; | ||
1768 | wr32(E1000_TIMINCA, | ||
1769 | (1 << E1000_TIMINCA_16NS_SHIFT) | | ||
1770 | (16 << IGB_82576_TSYNC_SHIFT)); | ||
1771 | |||
1772 | /* Set registers so that rollover occurs soon to test this. */ | ||
1773 | wr32(E1000_SYSTIML, 0x00000000); | ||
1774 | wr32(E1000_SYSTIMH, 0xFF800000); | ||
1775 | wrfl(); | ||
1776 | |||
1777 | timecounter_init(&adapter->clock, | ||
1778 | &adapter->cycles, | ||
1779 | ktime_to_ns(ktime_get_real())); | ||
1780 | /* | ||
1781 | * Synchronize our NIC clock against system wall clock. NIC | ||
1782 | * time stamp reading requires ~3us per sample, each sample | ||
1783 | * was pretty stable even under load => only require 10 | ||
1784 | * samples for each offset comparison. | ||
1785 | */ | ||
1786 | memset(&adapter->compare, 0, sizeof(adapter->compare)); | ||
1787 | adapter->compare.source = &adapter->clock; | ||
1788 | adapter->compare.target = ktime_get_real; | ||
1789 | adapter->compare.num_samples = 10; | ||
1790 | timecompare_update(&adapter->compare, 0); | ||
1791 | break; | ||
1792 | case e1000_82575: | ||
1793 | /* 82575 does not support timesync */ | ||
1794 | default: | ||
1795 | break; | ||
1796 | } | ||
1797 | |||
1798 | } | ||
1799 | |||
1800 | /** | ||
1685 | * igb_sw_init - Initialize general software structures (struct igb_adapter) | 1801 | * igb_sw_init - Initialize general software structures (struct igb_adapter) |
1686 | * @adapter: board private structure to initialize | 1802 | * @adapter: board private structure to initialize |
1687 | * | 1803 | * |
@@ -1699,20 +1815,37 @@ static int __devinit igb_sw_init(struct igb_adapter *adapter) | |||
1699 | 1815 | ||
1700 | adapter->tx_ring_count = IGB_DEFAULT_TXD; | 1816 | adapter->tx_ring_count = IGB_DEFAULT_TXD; |
1701 | adapter->rx_ring_count = IGB_DEFAULT_RXD; | 1817 | adapter->rx_ring_count = IGB_DEFAULT_RXD; |
1702 | adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE; | 1818 | adapter->rx_itr_setting = IGB_DEFAULT_ITR; |
1703 | adapter->rx_ps_hdr_size = 0; /* disable packet split */ | 1819 | adapter->tx_itr_setting = IGB_DEFAULT_ITR; |
1820 | |||
1704 | adapter->max_frame_size = netdev->mtu + ETH_HLEN + ETH_FCS_LEN; | 1821 | adapter->max_frame_size = netdev->mtu + ETH_HLEN + ETH_FCS_LEN; |
1705 | adapter->min_frame_size = ETH_ZLEN + ETH_FCS_LEN; | 1822 | adapter->min_frame_size = ETH_ZLEN + ETH_FCS_LEN; |
1706 | 1823 | ||
1707 | /* This call may decrease the number of queues depending on | 1824 | #ifdef CONFIG_PCI_IOV |
1708 | * interrupt mode. */ | 1825 | if (hw->mac.type == e1000_82576) |
1709 | igb_set_interrupt_capability(adapter); | 1826 | adapter->vfs_allocated_count = max_vfs; |
1827 | |||
1828 | #endif /* CONFIG_PCI_IOV */ | ||
1829 | adapter->rss_queues = min_t(u32, IGB_MAX_RX_QUEUES, num_online_cpus()); | ||
1830 | |||
1831 | /* | ||
1832 | * if rss_queues > 4 or vfs are going to be allocated with rss_queues | ||
1833 | * then we should combine the queues into a queue pair in order to | ||
1834 | * conserve interrupts due to limited supply | ||
1835 | */ | ||
1836 | if ((adapter->rss_queues > 4) || | ||
1837 | ((adapter->rss_queues > 1) && (adapter->vfs_allocated_count > 6))) | ||
1838 | adapter->flags |= IGB_FLAG_QUEUE_PAIRS; | ||
1710 | 1839 | ||
1711 | if (igb_alloc_queues(adapter)) { | 1840 | /* This call may decrease the number of queues */ |
1841 | if (igb_init_interrupt_scheme(adapter)) { | ||
1712 | dev_err(&pdev->dev, "Unable to allocate memory for queues\n"); | 1842 | dev_err(&pdev->dev, "Unable to allocate memory for queues\n"); |
1713 | return -ENOMEM; | 1843 | return -ENOMEM; |
1714 | } | 1844 | } |
1715 | 1845 | ||
1846 | igb_init_hw_timer(adapter); | ||
1847 | igb_probe_vfs(adapter); | ||
1848 | |||
1716 | /* Explicitly disable IRQ since the NIC can be in any state. */ | 1849 | /* Explicitly disable IRQ since the NIC can be in any state. */ |
1717 | igb_irq_disable(adapter); | 1850 | igb_irq_disable(adapter); |
1718 | 1851 | ||
@@ -1757,21 +1890,12 @@ static int igb_open(struct net_device *netdev) | |||
1757 | 1890 | ||
1758 | /* e1000_power_up_phy(adapter); */ | 1891 | /* e1000_power_up_phy(adapter); */ |
1759 | 1892 | ||
1760 | adapter->mng_vlan_id = IGB_MNG_VLAN_NONE; | ||
1761 | if ((adapter->hw.mng_cookie.status & | ||
1762 | E1000_MNG_DHCP_COOKIE_STATUS_VLAN)) | ||
1763 | igb_update_mng_vlan(adapter); | ||
1764 | |||
1765 | /* before we allocate an interrupt, we must be ready to handle it. | 1893 | /* before we allocate an interrupt, we must be ready to handle it. |
1766 | * Setting DEBUG_SHIRQ in the kernel makes it fire an interrupt | 1894 | * Setting DEBUG_SHIRQ in the kernel makes it fire an interrupt |
1767 | * as soon as we call pci_request_irq, so we have to setup our | 1895 | * as soon as we call pci_request_irq, so we have to setup our |
1768 | * clean_rx handler before we do so. */ | 1896 | * clean_rx handler before we do so. */ |
1769 | igb_configure(adapter); | 1897 | igb_configure(adapter); |
1770 | 1898 | ||
1771 | igb_vmm_control(adapter); | ||
1772 | igb_set_rah_pool(hw, adapter->vfs_allocated_count, 0); | ||
1773 | igb_set_vmolr(hw, adapter->vfs_allocated_count); | ||
1774 | |||
1775 | err = igb_request_irq(adapter); | 1899 | err = igb_request_irq(adapter); |
1776 | if (err) | 1900 | if (err) |
1777 | goto err_req_irq; | 1901 | goto err_req_irq; |
@@ -1779,18 +1903,28 @@ static int igb_open(struct net_device *netdev) | |||
1779 | /* From here on the code is the same as igb_up() */ | 1903 | /* From here on the code is the same as igb_up() */ |
1780 | clear_bit(__IGB_DOWN, &adapter->state); | 1904 | clear_bit(__IGB_DOWN, &adapter->state); |
1781 | 1905 | ||
1782 | for (i = 0; i < adapter->num_rx_queues; i++) | 1906 | for (i = 0; i < adapter->num_q_vectors; i++) { |
1783 | napi_enable(&adapter->rx_ring[i].napi); | 1907 | struct igb_q_vector *q_vector = adapter->q_vector[i]; |
1908 | napi_enable(&q_vector->napi); | ||
1909 | } | ||
1784 | 1910 | ||
1785 | /* Clear any pending interrupts. */ | 1911 | /* Clear any pending interrupts. */ |
1786 | rd32(E1000_ICR); | 1912 | rd32(E1000_ICR); |
1787 | 1913 | ||
1788 | igb_irq_enable(adapter); | 1914 | igb_irq_enable(adapter); |
1789 | 1915 | ||
1916 | /* notify VFs that reset has been completed */ | ||
1917 | if (adapter->vfs_allocated_count) { | ||
1918 | u32 reg_data = rd32(E1000_CTRL_EXT); | ||
1919 | reg_data |= E1000_CTRL_EXT_PFRSTD; | ||
1920 | wr32(E1000_CTRL_EXT, reg_data); | ||
1921 | } | ||
1922 | |||
1790 | netif_tx_start_all_queues(netdev); | 1923 | netif_tx_start_all_queues(netdev); |
1791 | 1924 | ||
1792 | /* Fire a link status change interrupt to start the watchdog. */ | 1925 | /* start the watchdog. */ |
1793 | wr32(E1000_ICS, E1000_ICS_LSC); | 1926 | hw->mac.get_link_status = 1; |
1927 | schedule_work(&adapter->watchdog_task); | ||
1794 | 1928 | ||
1795 | return 0; | 1929 | return 0; |
1796 | 1930 | ||
@@ -1829,28 +1963,18 @@ static int igb_close(struct net_device *netdev) | |||
1829 | igb_free_all_tx_resources(adapter); | 1963 | igb_free_all_tx_resources(adapter); |
1830 | igb_free_all_rx_resources(adapter); | 1964 | igb_free_all_rx_resources(adapter); |
1831 | 1965 | ||
1832 | /* kill manageability vlan ID if supported, but not if a vlan with | ||
1833 | * the same ID is registered on the host OS (let 8021q kill it) */ | ||
1834 | if ((adapter->hw.mng_cookie.status & | ||
1835 | E1000_MNG_DHCP_COOKIE_STATUS_VLAN) && | ||
1836 | !(adapter->vlgrp && | ||
1837 | vlan_group_get_device(adapter->vlgrp, adapter->mng_vlan_id))) | ||
1838 | igb_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id); | ||
1839 | |||
1840 | return 0; | 1966 | return 0; |
1841 | } | 1967 | } |
1842 | 1968 | ||
1843 | /** | 1969 | /** |
1844 | * igb_setup_tx_resources - allocate Tx resources (Descriptors) | 1970 | * igb_setup_tx_resources - allocate Tx resources (Descriptors) |
1845 | * @adapter: board private structure | ||
1846 | * @tx_ring: tx descriptor ring (for a specific queue) to setup | 1971 | * @tx_ring: tx descriptor ring (for a specific queue) to setup |
1847 | * | 1972 | * |
1848 | * Return 0 on success, negative on failure | 1973 | * Return 0 on success, negative on failure |
1849 | **/ | 1974 | **/ |
1850 | int igb_setup_tx_resources(struct igb_adapter *adapter, | 1975 | int igb_setup_tx_resources(struct igb_ring *tx_ring) |
1851 | struct igb_ring *tx_ring) | ||
1852 | { | 1976 | { |
1853 | struct pci_dev *pdev = adapter->pdev; | 1977 | struct pci_dev *pdev = tx_ring->pdev; |
1854 | int size; | 1978 | int size; |
1855 | 1979 | ||
1856 | size = sizeof(struct igb_buffer) * tx_ring->count; | 1980 | size = sizeof(struct igb_buffer) * tx_ring->count; |
@@ -1863,20 +1987,20 @@ int igb_setup_tx_resources(struct igb_adapter *adapter, | |||
1863 | tx_ring->size = tx_ring->count * sizeof(union e1000_adv_tx_desc); | 1987 | tx_ring->size = tx_ring->count * sizeof(union e1000_adv_tx_desc); |
1864 | tx_ring->size = ALIGN(tx_ring->size, 4096); | 1988 | tx_ring->size = ALIGN(tx_ring->size, 4096); |
1865 | 1989 | ||
1866 | tx_ring->desc = pci_alloc_consistent(pdev, tx_ring->size, | 1990 | tx_ring->desc = pci_alloc_consistent(pdev, |
1991 | tx_ring->size, | ||
1867 | &tx_ring->dma); | 1992 | &tx_ring->dma); |
1868 | 1993 | ||
1869 | if (!tx_ring->desc) | 1994 | if (!tx_ring->desc) |
1870 | goto err; | 1995 | goto err; |
1871 | 1996 | ||
1872 | tx_ring->adapter = adapter; | ||
1873 | tx_ring->next_to_use = 0; | 1997 | tx_ring->next_to_use = 0; |
1874 | tx_ring->next_to_clean = 0; | 1998 | tx_ring->next_to_clean = 0; |
1875 | return 0; | 1999 | return 0; |
1876 | 2000 | ||
1877 | err: | 2001 | err: |
1878 | vfree(tx_ring->buffer_info); | 2002 | vfree(tx_ring->buffer_info); |
1879 | dev_err(&adapter->pdev->dev, | 2003 | dev_err(&pdev->dev, |
1880 | "Unable to allocate memory for the transmit descriptor ring\n"); | 2004 | "Unable to allocate memory for the transmit descriptor ring\n"); |
1881 | return -ENOMEM; | 2005 | return -ENOMEM; |
1882 | } | 2006 | } |
@@ -1890,13 +2014,13 @@ err: | |||
1890 | **/ | 2014 | **/ |
1891 | static int igb_setup_all_tx_resources(struct igb_adapter *adapter) | 2015 | static int igb_setup_all_tx_resources(struct igb_adapter *adapter) |
1892 | { | 2016 | { |
2017 | struct pci_dev *pdev = adapter->pdev; | ||
1893 | int i, err = 0; | 2018 | int i, err = 0; |
1894 | int r_idx; | ||
1895 | 2019 | ||
1896 | for (i = 0; i < adapter->num_tx_queues; i++) { | 2020 | for (i = 0; i < adapter->num_tx_queues; i++) { |
1897 | err = igb_setup_tx_resources(adapter, &adapter->tx_ring[i]); | 2021 | err = igb_setup_tx_resources(&adapter->tx_ring[i]); |
1898 | if (err) { | 2022 | if (err) { |
1899 | dev_err(&adapter->pdev->dev, | 2023 | dev_err(&pdev->dev, |
1900 | "Allocation for Tx Queue %u failed\n", i); | 2024 | "Allocation for Tx Queue %u failed\n", i); |
1901 | for (i--; i >= 0; i--) | 2025 | for (i--; i >= 0; i--) |
1902 | igb_free_tx_resources(&adapter->tx_ring[i]); | 2026 | igb_free_tx_resources(&adapter->tx_ring[i]); |
@@ -1904,57 +2028,24 @@ static int igb_setup_all_tx_resources(struct igb_adapter *adapter) | |||
1904 | } | 2028 | } |
1905 | } | 2029 | } |
1906 | 2030 | ||
1907 | for (i = 0; i < IGB_MAX_TX_QUEUES; i++) { | 2031 | for (i = 0; i < IGB_ABS_MAX_TX_QUEUES; i++) { |
1908 | r_idx = i % adapter->num_tx_queues; | 2032 | int r_idx = i % adapter->num_tx_queues; |
1909 | adapter->multi_tx_table[i] = &adapter->tx_ring[r_idx]; | 2033 | adapter->multi_tx_table[i] = &adapter->tx_ring[r_idx]; |
1910 | } | 2034 | } |
1911 | return err; | 2035 | return err; |
1912 | } | 2036 | } |
1913 | 2037 | ||
1914 | /** | 2038 | /** |
1915 | * igb_configure_tx - Configure transmit Unit after Reset | 2039 | * igb_setup_tctl - configure the transmit control registers |
1916 | * @adapter: board private structure | 2040 | * @adapter: Board private structure |
1917 | * | ||
1918 | * Configure the Tx unit of the MAC after a reset. | ||
1919 | **/ | 2041 | **/ |
1920 | static void igb_configure_tx(struct igb_adapter *adapter) | 2042 | void igb_setup_tctl(struct igb_adapter *adapter) |
1921 | { | 2043 | { |
1922 | u64 tdba; | ||
1923 | struct e1000_hw *hw = &adapter->hw; | 2044 | struct e1000_hw *hw = &adapter->hw; |
1924 | u32 tctl; | 2045 | u32 tctl; |
1925 | u32 txdctl, txctrl; | ||
1926 | int i, j; | ||
1927 | |||
1928 | for (i = 0; i < adapter->num_tx_queues; i++) { | ||
1929 | struct igb_ring *ring = &adapter->tx_ring[i]; | ||
1930 | j = ring->reg_idx; | ||
1931 | wr32(E1000_TDLEN(j), | ||
1932 | ring->count * sizeof(union e1000_adv_tx_desc)); | ||
1933 | tdba = ring->dma; | ||
1934 | wr32(E1000_TDBAL(j), | ||
1935 | tdba & 0x00000000ffffffffULL); | ||
1936 | wr32(E1000_TDBAH(j), tdba >> 32); | ||
1937 | |||
1938 | ring->head = E1000_TDH(j); | ||
1939 | ring->tail = E1000_TDT(j); | ||
1940 | writel(0, hw->hw_addr + ring->tail); | ||
1941 | writel(0, hw->hw_addr + ring->head); | ||
1942 | txdctl = rd32(E1000_TXDCTL(j)); | ||
1943 | txdctl |= E1000_TXDCTL_QUEUE_ENABLE; | ||
1944 | wr32(E1000_TXDCTL(j), txdctl); | ||
1945 | |||
1946 | /* Turn off Relaxed Ordering on head write-backs. The | ||
1947 | * writebacks MUST be delivered in order or it will | ||
1948 | * completely screw up our bookeeping. | ||
1949 | */ | ||
1950 | txctrl = rd32(E1000_DCA_TXCTRL(j)); | ||
1951 | txctrl &= ~E1000_DCA_TXCTRL_TX_WB_RO_EN; | ||
1952 | wr32(E1000_DCA_TXCTRL(j), txctrl); | ||
1953 | } | ||
1954 | 2046 | ||
1955 | /* disable queue 0 to prevent tail bump w/o re-configuration */ | 2047 | /* disable queue 0 which is enabled by default on 82575 and 82576 */ |
1956 | if (adapter->vfs_allocated_count) | 2048 | wr32(E1000_TXDCTL(0), 0); |
1957 | wr32(E1000_TXDCTL(0), 0); | ||
1958 | 2049 | ||
1959 | /* Program the Transmit Control Register */ | 2050 | /* Program the Transmit Control Register */ |
1960 | tctl = rd32(E1000_TCTL); | 2051 | tctl = rd32(E1000_TCTL); |
@@ -1964,9 +2055,6 @@ static void igb_configure_tx(struct igb_adapter *adapter) | |||
1964 | 2055 | ||
1965 | igb_config_collision_dist(hw); | 2056 | igb_config_collision_dist(hw); |
1966 | 2057 | ||
1967 | /* Setup Transmit Descriptor Settings for eop descriptor */ | ||
1968 | adapter->txd_cmd = E1000_TXD_CMD_EOP | E1000_TXD_CMD_RS; | ||
1969 | |||
1970 | /* Enable transmits */ | 2058 | /* Enable transmits */ |
1971 | tctl |= E1000_TCTL_EN; | 2059 | tctl |= E1000_TCTL_EN; |
1972 | 2060 | ||
@@ -1974,16 +2062,69 @@ static void igb_configure_tx(struct igb_adapter *adapter) | |||
1974 | } | 2062 | } |
1975 | 2063 | ||
1976 | /** | 2064 | /** |
1977 | * igb_setup_rx_resources - allocate Rx resources (Descriptors) | 2065 | * igb_configure_tx_ring - Configure transmit ring after Reset |
1978 | * @adapter: board private structure | 2066 | * @adapter: board private structure |
2067 | * @ring: tx ring to configure | ||
2068 | * | ||
2069 | * Configure a transmit ring after a reset. | ||
2070 | **/ | ||
2071 | void igb_configure_tx_ring(struct igb_adapter *adapter, | ||
2072 | struct igb_ring *ring) | ||
2073 | { | ||
2074 | struct e1000_hw *hw = &adapter->hw; | ||
2075 | u32 txdctl; | ||
2076 | u64 tdba = ring->dma; | ||
2077 | int reg_idx = ring->reg_idx; | ||
2078 | |||
2079 | /* disable the queue */ | ||
2080 | txdctl = rd32(E1000_TXDCTL(reg_idx)); | ||
2081 | wr32(E1000_TXDCTL(reg_idx), | ||
2082 | txdctl & ~E1000_TXDCTL_QUEUE_ENABLE); | ||
2083 | wrfl(); | ||
2084 | mdelay(10); | ||
2085 | |||
2086 | wr32(E1000_TDLEN(reg_idx), | ||
2087 | ring->count * sizeof(union e1000_adv_tx_desc)); | ||
2088 | wr32(E1000_TDBAL(reg_idx), | ||
2089 | tdba & 0x00000000ffffffffULL); | ||
2090 | wr32(E1000_TDBAH(reg_idx), tdba >> 32); | ||
2091 | |||
2092 | ring->head = hw->hw_addr + E1000_TDH(reg_idx); | ||
2093 | ring->tail = hw->hw_addr + E1000_TDT(reg_idx); | ||
2094 | writel(0, ring->head); | ||
2095 | writel(0, ring->tail); | ||
2096 | |||
2097 | txdctl |= IGB_TX_PTHRESH; | ||
2098 | txdctl |= IGB_TX_HTHRESH << 8; | ||
2099 | txdctl |= IGB_TX_WTHRESH << 16; | ||
2100 | |||
2101 | txdctl |= E1000_TXDCTL_QUEUE_ENABLE; | ||
2102 | wr32(E1000_TXDCTL(reg_idx), txdctl); | ||
2103 | } | ||
2104 | |||
2105 | /** | ||
2106 | * igb_configure_tx - Configure transmit Unit after Reset | ||
2107 | * @adapter: board private structure | ||
2108 | * | ||
2109 | * Configure the Tx unit of the MAC after a reset. | ||
2110 | **/ | ||
2111 | static void igb_configure_tx(struct igb_adapter *adapter) | ||
2112 | { | ||
2113 | int i; | ||
2114 | |||
2115 | for (i = 0; i < adapter->num_tx_queues; i++) | ||
2116 | igb_configure_tx_ring(adapter, &adapter->tx_ring[i]); | ||
2117 | } | ||
2118 | |||
2119 | /** | ||
2120 | * igb_setup_rx_resources - allocate Rx resources (Descriptors) | ||
1979 | * @rx_ring: rx descriptor ring (for a specific queue) to setup | 2121 | * @rx_ring: rx descriptor ring (for a specific queue) to setup |
1980 | * | 2122 | * |
1981 | * Returns 0 on success, negative on failure | 2123 | * Returns 0 on success, negative on failure |
1982 | **/ | 2124 | **/ |
1983 | int igb_setup_rx_resources(struct igb_adapter *adapter, | 2125 | int igb_setup_rx_resources(struct igb_ring *rx_ring) |
1984 | struct igb_ring *rx_ring) | ||
1985 | { | 2126 | { |
1986 | struct pci_dev *pdev = adapter->pdev; | 2127 | struct pci_dev *pdev = rx_ring->pdev; |
1987 | int size, desc_len; | 2128 | int size, desc_len; |
1988 | 2129 | ||
1989 | size = sizeof(struct igb_buffer) * rx_ring->count; | 2130 | size = sizeof(struct igb_buffer) * rx_ring->count; |
@@ -2007,13 +2148,12 @@ int igb_setup_rx_resources(struct igb_adapter *adapter, | |||
2007 | rx_ring->next_to_clean = 0; | 2148 | rx_ring->next_to_clean = 0; |
2008 | rx_ring->next_to_use = 0; | 2149 | rx_ring->next_to_use = 0; |
2009 | 2150 | ||
2010 | rx_ring->adapter = adapter; | ||
2011 | |||
2012 | return 0; | 2151 | return 0; |
2013 | 2152 | ||
2014 | err: | 2153 | err: |
2015 | vfree(rx_ring->buffer_info); | 2154 | vfree(rx_ring->buffer_info); |
2016 | dev_err(&adapter->pdev->dev, "Unable to allocate memory for " | 2155 | rx_ring->buffer_info = NULL; |
2156 | dev_err(&pdev->dev, "Unable to allocate memory for " | ||
2017 | "the receive descriptor ring\n"); | 2157 | "the receive descriptor ring\n"); |
2018 | return -ENOMEM; | 2158 | return -ENOMEM; |
2019 | } | 2159 | } |
@@ -2027,12 +2167,13 @@ err: | |||
2027 | **/ | 2167 | **/ |
2028 | static int igb_setup_all_rx_resources(struct igb_adapter *adapter) | 2168 | static int igb_setup_all_rx_resources(struct igb_adapter *adapter) |
2029 | { | 2169 | { |
2170 | struct pci_dev *pdev = adapter->pdev; | ||
2030 | int i, err = 0; | 2171 | int i, err = 0; |
2031 | 2172 | ||
2032 | for (i = 0; i < adapter->num_rx_queues; i++) { | 2173 | for (i = 0; i < adapter->num_rx_queues; i++) { |
2033 | err = igb_setup_rx_resources(adapter, &adapter->rx_ring[i]); | 2174 | err = igb_setup_rx_resources(&adapter->rx_ring[i]); |
2034 | if (err) { | 2175 | if (err) { |
2035 | dev_err(&adapter->pdev->dev, | 2176 | dev_err(&pdev->dev, |
2036 | "Allocation for Rx Queue %u failed\n", i); | 2177 | "Allocation for Rx Queue %u failed\n", i); |
2037 | for (i--; i >= 0; i--) | 2178 | for (i--; i >= 0; i--) |
2038 | igb_free_rx_resources(&adapter->rx_ring[i]); | 2179 | igb_free_rx_resources(&adapter->rx_ring[i]); |
@@ -2044,15 +2185,118 @@ static int igb_setup_all_rx_resources(struct igb_adapter *adapter) | |||
2044 | } | 2185 | } |
2045 | 2186 | ||
2046 | /** | 2187 | /** |
2188 | * igb_setup_mrqc - configure the multiple receive queue control registers | ||
2189 | * @adapter: Board private structure | ||
2190 | **/ | ||
2191 | static void igb_setup_mrqc(struct igb_adapter *adapter) | ||
2192 | { | ||
2193 | struct e1000_hw *hw = &adapter->hw; | ||
2194 | u32 mrqc, rxcsum; | ||
2195 | u32 j, num_rx_queues, shift = 0, shift2 = 0; | ||
2196 | union e1000_reta { | ||
2197 | u32 dword; | ||
2198 | u8 bytes[4]; | ||
2199 | } reta; | ||
2200 | static const u8 rsshash[40] = { | ||
2201 | 0x6d, 0x5a, 0x56, 0xda, 0x25, 0x5b, 0x0e, 0xc2, 0x41, 0x67, | ||
2202 | 0x25, 0x3d, 0x43, 0xa3, 0x8f, 0xb0, 0xd0, 0xca, 0x2b, 0xcb, | ||
2203 | 0xae, 0x7b, 0x30, 0xb4, 0x77, 0xcb, 0x2d, 0xa3, 0x80, 0x30, | ||
2204 | 0xf2, 0x0c, 0x6a, 0x42, 0xb7, 0x3b, 0xbe, 0xac, 0x01, 0xfa }; | ||
2205 | |||
2206 | /* Fill out hash function seeds */ | ||
2207 | for (j = 0; j < 10; j++) { | ||
2208 | u32 rsskey = rsshash[(j * 4)]; | ||
2209 | rsskey |= rsshash[(j * 4) + 1] << 8; | ||
2210 | rsskey |= rsshash[(j * 4) + 2] << 16; | ||
2211 | rsskey |= rsshash[(j * 4) + 3] << 24; | ||
2212 | array_wr32(E1000_RSSRK(0), j, rsskey); | ||
2213 | } | ||
2214 | |||
2215 | num_rx_queues = adapter->rss_queues; | ||
2216 | |||
2217 | if (adapter->vfs_allocated_count) { | ||
2218 | /* 82575 and 82576 supports 2 RSS queues for VMDq */ | ||
2219 | switch (hw->mac.type) { | ||
2220 | case e1000_82576: | ||
2221 | shift = 3; | ||
2222 | num_rx_queues = 2; | ||
2223 | break; | ||
2224 | case e1000_82575: | ||
2225 | shift = 2; | ||
2226 | shift2 = 6; | ||
2227 | default: | ||
2228 | break; | ||
2229 | } | ||
2230 | } else { | ||
2231 | if (hw->mac.type == e1000_82575) | ||
2232 | shift = 6; | ||
2233 | } | ||
2234 | |||
2235 | for (j = 0; j < (32 * 4); j++) { | ||
2236 | reta.bytes[j & 3] = (j % num_rx_queues) << shift; | ||
2237 | if (shift2) | ||
2238 | reta.bytes[j & 3] |= num_rx_queues << shift2; | ||
2239 | if ((j & 3) == 3) | ||
2240 | wr32(E1000_RETA(j >> 2), reta.dword); | ||
2241 | } | ||
2242 | |||
2243 | /* | ||
2244 | * Disable raw packet checksumming so that RSS hash is placed in | ||
2245 | * descriptor on writeback. No need to enable TCP/UDP/IP checksum | ||
2246 | * offloads as they are enabled by default | ||
2247 | */ | ||
2248 | rxcsum = rd32(E1000_RXCSUM); | ||
2249 | rxcsum |= E1000_RXCSUM_PCSD; | ||
2250 | |||
2251 | if (adapter->hw.mac.type >= e1000_82576) | ||
2252 | /* Enable Receive Checksum Offload for SCTP */ | ||
2253 | rxcsum |= E1000_RXCSUM_CRCOFL; | ||
2254 | |||
2255 | /* Don't need to set TUOFL or IPOFL, they default to 1 */ | ||
2256 | wr32(E1000_RXCSUM, rxcsum); | ||
2257 | |||
2258 | /* If VMDq is enabled then we set the appropriate mode for that, else | ||
2259 | * we default to RSS so that an RSS hash is calculated per packet even | ||
2260 | * if we are only using one queue */ | ||
2261 | if (adapter->vfs_allocated_count) { | ||
2262 | if (hw->mac.type > e1000_82575) { | ||
2263 | /* Set the default pool for the PF's first queue */ | ||
2264 | u32 vtctl = rd32(E1000_VT_CTL); | ||
2265 | vtctl &= ~(E1000_VT_CTL_DEFAULT_POOL_MASK | | ||
2266 | E1000_VT_CTL_DISABLE_DEF_POOL); | ||
2267 | vtctl |= adapter->vfs_allocated_count << | ||
2268 | E1000_VT_CTL_DEFAULT_POOL_SHIFT; | ||
2269 | wr32(E1000_VT_CTL, vtctl); | ||
2270 | } | ||
2271 | if (adapter->rss_queues > 1) | ||
2272 | mrqc = E1000_MRQC_ENABLE_VMDQ_RSS_2Q; | ||
2273 | else | ||
2274 | mrqc = E1000_MRQC_ENABLE_VMDQ; | ||
2275 | } else { | ||
2276 | mrqc = E1000_MRQC_ENABLE_RSS_4Q; | ||
2277 | } | ||
2278 | igb_vmm_control(adapter); | ||
2279 | |||
2280 | mrqc |= (E1000_MRQC_RSS_FIELD_IPV4 | | ||
2281 | E1000_MRQC_RSS_FIELD_IPV4_TCP); | ||
2282 | mrqc |= (E1000_MRQC_RSS_FIELD_IPV6 | | ||
2283 | E1000_MRQC_RSS_FIELD_IPV6_TCP); | ||
2284 | mrqc |= (E1000_MRQC_RSS_FIELD_IPV4_UDP | | ||
2285 | E1000_MRQC_RSS_FIELD_IPV6_UDP); | ||
2286 | mrqc |= (E1000_MRQC_RSS_FIELD_IPV6_UDP_EX | | ||
2287 | E1000_MRQC_RSS_FIELD_IPV6_TCP_EX); | ||
2288 | |||
2289 | wr32(E1000_MRQC, mrqc); | ||
2290 | } | ||
2291 | |||
2292 | /** | ||
2047 | * igb_setup_rctl - configure the receive control registers | 2293 | * igb_setup_rctl - configure the receive control registers |
2048 | * @adapter: Board private structure | 2294 | * @adapter: Board private structure |
2049 | **/ | 2295 | **/ |
2050 | static void igb_setup_rctl(struct igb_adapter *adapter) | 2296 | void igb_setup_rctl(struct igb_adapter *adapter) |
2051 | { | 2297 | { |
2052 | struct e1000_hw *hw = &adapter->hw; | 2298 | struct e1000_hw *hw = &adapter->hw; |
2053 | u32 rctl; | 2299 | u32 rctl; |
2054 | u32 srrctl = 0; | ||
2055 | int i; | ||
2056 | 2300 | ||
2057 | rctl = rd32(E1000_RCTL); | 2301 | rctl = rd32(E1000_RCTL); |
2058 | 2302 | ||
@@ -2069,75 +2313,45 @@ static void igb_setup_rctl(struct igb_adapter *adapter) | |||
2069 | */ | 2313 | */ |
2070 | rctl |= E1000_RCTL_SECRC; | 2314 | rctl |= E1000_RCTL_SECRC; |
2071 | 2315 | ||
2072 | /* | 2316 | /* disable store bad packets and clear size bits. */ |
2073 | * disable store bad packets and clear size bits. | ||
2074 | */ | ||
2075 | rctl &= ~(E1000_RCTL_SBP | E1000_RCTL_SZ_256); | 2317 | rctl &= ~(E1000_RCTL_SBP | E1000_RCTL_SZ_256); |
2076 | 2318 | ||
2077 | /* enable LPE when to prevent packets larger than max_frame_size */ | 2319 | /* enable LPE to prevent packets larger than max_frame_size */ |
2078 | rctl |= E1000_RCTL_LPE; | 2320 | rctl |= E1000_RCTL_LPE; |
2079 | 2321 | ||
2080 | /* Setup buffer sizes */ | 2322 | /* disable queue 0 to prevent tail write w/o re-config */ |
2081 | switch (adapter->rx_buffer_len) { | 2323 | wr32(E1000_RXDCTL(0), 0); |
2082 | case IGB_RXBUFFER_256: | ||
2083 | rctl |= E1000_RCTL_SZ_256; | ||
2084 | break; | ||
2085 | case IGB_RXBUFFER_512: | ||
2086 | rctl |= E1000_RCTL_SZ_512; | ||
2087 | break; | ||
2088 | default: | ||
2089 | srrctl = ALIGN(adapter->rx_buffer_len, 1024) | ||
2090 | >> E1000_SRRCTL_BSIZEPKT_SHIFT; | ||
2091 | break; | ||
2092 | } | ||
2093 | |||
2094 | /* 82575 and greater support packet-split where the protocol | ||
2095 | * header is placed in skb->data and the packet data is | ||
2096 | * placed in pages hanging off of skb_shinfo(skb)->nr_frags. | ||
2097 | * In the case of a non-split, skb->data is linearly filled, | ||
2098 | * followed by the page buffers. Therefore, skb->data is | ||
2099 | * sized to hold the largest protocol header. | ||
2100 | */ | ||
2101 | /* allocations using alloc_page take too long for regular MTU | ||
2102 | * so only enable packet split for jumbo frames */ | ||
2103 | if (adapter->netdev->mtu > ETH_DATA_LEN) { | ||
2104 | adapter->rx_ps_hdr_size = IGB_RXBUFFER_128; | ||
2105 | srrctl |= adapter->rx_ps_hdr_size << | ||
2106 | E1000_SRRCTL_BSIZEHDRSIZE_SHIFT; | ||
2107 | srrctl |= E1000_SRRCTL_DESCTYPE_HDR_SPLIT_ALWAYS; | ||
2108 | } else { | ||
2109 | adapter->rx_ps_hdr_size = 0; | ||
2110 | srrctl |= E1000_SRRCTL_DESCTYPE_ADV_ONEBUF; | ||
2111 | } | ||
2112 | 2324 | ||
2113 | /* Attention!!! For SR-IOV PF driver operations you must enable | 2325 | /* Attention!!! For SR-IOV PF driver operations you must enable |
2114 | * queue drop for all VF and PF queues to prevent head of line blocking | 2326 | * queue drop for all VF and PF queues to prevent head of line blocking |
2115 | * if an un-trusted VF does not provide descriptors to hardware. | 2327 | * if an un-trusted VF does not provide descriptors to hardware. |
2116 | */ | 2328 | */ |
2117 | if (adapter->vfs_allocated_count) { | 2329 | if (adapter->vfs_allocated_count) { |
2118 | u32 vmolr; | ||
2119 | |||
2120 | /* set all queue drop enable bits */ | 2330 | /* set all queue drop enable bits */ |
2121 | wr32(E1000_QDE, ALL_QUEUES); | 2331 | wr32(E1000_QDE, ALL_QUEUES); |
2122 | srrctl |= E1000_SRRCTL_DROP_EN; | 2332 | } |
2123 | 2333 | ||
2124 | /* disable queue 0 to prevent tail write w/o re-config */ | 2334 | wr32(E1000_RCTL, rctl); |
2125 | wr32(E1000_RXDCTL(0), 0); | 2335 | } |
2126 | 2336 | ||
2127 | vmolr = rd32(E1000_VMOLR(adapter->vfs_allocated_count)); | 2337 | static inline int igb_set_vf_rlpml(struct igb_adapter *adapter, int size, |
2128 | if (rctl & E1000_RCTL_LPE) | 2338 | int vfn) |
2129 | vmolr |= E1000_VMOLR_LPE; | 2339 | { |
2130 | if (adapter->num_rx_queues > 1) | 2340 | struct e1000_hw *hw = &adapter->hw; |
2131 | vmolr |= E1000_VMOLR_RSSE; | 2341 | u32 vmolr; |
2132 | wr32(E1000_VMOLR(adapter->vfs_allocated_count), vmolr); | ||
2133 | } | ||
2134 | 2342 | ||
2135 | for (i = 0; i < adapter->num_rx_queues; i++) { | 2343 | /* if it isn't the PF check to see if VFs are enabled and |
2136 | int j = adapter->rx_ring[i].reg_idx; | 2344 | * increase the size to support vlan tags */ |
2137 | wr32(E1000_SRRCTL(j), srrctl); | 2345 | if (vfn < adapter->vfs_allocated_count && |
2138 | } | 2346 | adapter->vf_data[vfn].vlans_enabled) |
2347 | size += VLAN_TAG_SIZE; | ||
2139 | 2348 | ||
2140 | wr32(E1000_RCTL, rctl); | 2349 | vmolr = rd32(E1000_VMOLR(vfn)); |
2350 | vmolr &= ~E1000_VMOLR_RLPML_MASK; | ||
2351 | vmolr |= size | E1000_VMOLR_LPE; | ||
2352 | wr32(E1000_VMOLR(vfn), vmolr); | ||
2353 | |||
2354 | return 0; | ||
2141 | } | 2355 | } |
2142 | 2356 | ||
2143 | /** | 2357 | /** |
@@ -2159,33 +2373,107 @@ static void igb_rlpml_set(struct igb_adapter *adapter) | |||
2159 | * size and set the VMOLR RLPML to the size we need */ | 2373 | * size and set the VMOLR RLPML to the size we need */ |
2160 | if (pf_id) { | 2374 | if (pf_id) { |
2161 | igb_set_vf_rlpml(adapter, max_frame_size, pf_id); | 2375 | igb_set_vf_rlpml(adapter, max_frame_size, pf_id); |
2162 | max_frame_size = MAX_STD_JUMBO_FRAME_SIZE + VLAN_TAG_SIZE; | 2376 | max_frame_size = MAX_JUMBO_FRAME_SIZE; |
2163 | } | 2377 | } |
2164 | 2378 | ||
2165 | wr32(E1000_RLPML, max_frame_size); | 2379 | wr32(E1000_RLPML, max_frame_size); |
2166 | } | 2380 | } |
2167 | 2381 | ||
2382 | static inline void igb_set_vmolr(struct igb_adapter *adapter, int vfn) | ||
2383 | { | ||
2384 | struct e1000_hw *hw = &adapter->hw; | ||
2385 | u32 vmolr; | ||
2386 | |||
2387 | /* | ||
2388 | * This register exists only on 82576 and newer so if we are older then | ||
2389 | * we should exit and do nothing | ||
2390 | */ | ||
2391 | if (hw->mac.type < e1000_82576) | ||
2392 | return; | ||
2393 | |||
2394 | vmolr = rd32(E1000_VMOLR(vfn)); | ||
2395 | vmolr |= E1000_VMOLR_AUPE | /* Accept untagged packets */ | ||
2396 | E1000_VMOLR_STRVLAN; /* Strip vlan tags */ | ||
2397 | |||
2398 | /* clear all bits that might not be set */ | ||
2399 | vmolr &= ~(E1000_VMOLR_BAM | E1000_VMOLR_RSSE); | ||
2400 | |||
2401 | if (adapter->rss_queues > 1 && vfn == adapter->vfs_allocated_count) | ||
2402 | vmolr |= E1000_VMOLR_RSSE; /* enable RSS */ | ||
2403 | /* | ||
2404 | * for VMDq only allow the VFs and pool 0 to accept broadcast and | ||
2405 | * multicast packets | ||
2406 | */ | ||
2407 | if (vfn <= adapter->vfs_allocated_count) | ||
2408 | vmolr |= E1000_VMOLR_BAM; /* Accept broadcast */ | ||
2409 | |||
2410 | wr32(E1000_VMOLR(vfn), vmolr); | ||
2411 | } | ||
2412 | |||
2168 | /** | 2413 | /** |
2169 | * igb_configure_vt_default_pool - Configure VT default pool | 2414 | * igb_configure_rx_ring - Configure a receive ring after Reset |
2170 | * @adapter: board private structure | 2415 | * @adapter: board private structure |
2416 | * @ring: receive ring to be configured | ||
2171 | * | 2417 | * |
2172 | * Configure the default pool | 2418 | * Configure the Rx unit of the MAC after a reset. |
2173 | **/ | 2419 | **/ |
2174 | static void igb_configure_vt_default_pool(struct igb_adapter *adapter) | 2420 | void igb_configure_rx_ring(struct igb_adapter *adapter, |
2421 | struct igb_ring *ring) | ||
2175 | { | 2422 | { |
2176 | struct e1000_hw *hw = &adapter->hw; | 2423 | struct e1000_hw *hw = &adapter->hw; |
2177 | u16 pf_id = adapter->vfs_allocated_count; | 2424 | u64 rdba = ring->dma; |
2178 | u32 vtctl; | 2425 | int reg_idx = ring->reg_idx; |
2426 | u32 srrctl, rxdctl; | ||
2427 | |||
2428 | /* disable the queue */ | ||
2429 | rxdctl = rd32(E1000_RXDCTL(reg_idx)); | ||
2430 | wr32(E1000_RXDCTL(reg_idx), | ||
2431 | rxdctl & ~E1000_RXDCTL_QUEUE_ENABLE); | ||
2432 | |||
2433 | /* Set DMA base address registers */ | ||
2434 | wr32(E1000_RDBAL(reg_idx), | ||
2435 | rdba & 0x00000000ffffffffULL); | ||
2436 | wr32(E1000_RDBAH(reg_idx), rdba >> 32); | ||
2437 | wr32(E1000_RDLEN(reg_idx), | ||
2438 | ring->count * sizeof(union e1000_adv_rx_desc)); | ||
2439 | |||
2440 | /* initialize head and tail */ | ||
2441 | ring->head = hw->hw_addr + E1000_RDH(reg_idx); | ||
2442 | ring->tail = hw->hw_addr + E1000_RDT(reg_idx); | ||
2443 | writel(0, ring->head); | ||
2444 | writel(0, ring->tail); | ||
2445 | |||
2446 | /* set descriptor configuration */ | ||
2447 | if (ring->rx_buffer_len < IGB_RXBUFFER_1024) { | ||
2448 | srrctl = ALIGN(ring->rx_buffer_len, 64) << | ||
2449 | E1000_SRRCTL_BSIZEHDRSIZE_SHIFT; | ||
2450 | #if (PAGE_SIZE / 2) > IGB_RXBUFFER_16384 | ||
2451 | srrctl |= IGB_RXBUFFER_16384 >> | ||
2452 | E1000_SRRCTL_BSIZEPKT_SHIFT; | ||
2453 | #else | ||
2454 | srrctl |= (PAGE_SIZE / 2) >> | ||
2455 | E1000_SRRCTL_BSIZEPKT_SHIFT; | ||
2456 | #endif | ||
2457 | srrctl |= E1000_SRRCTL_DESCTYPE_HDR_SPLIT_ALWAYS; | ||
2458 | } else { | ||
2459 | srrctl = ALIGN(ring->rx_buffer_len, 1024) >> | ||
2460 | E1000_SRRCTL_BSIZEPKT_SHIFT; | ||
2461 | srrctl |= E1000_SRRCTL_DESCTYPE_ADV_ONEBUF; | ||
2462 | } | ||
2179 | 2463 | ||
2180 | /* not in sr-iov mode - do nothing */ | 2464 | wr32(E1000_SRRCTL(reg_idx), srrctl); |
2181 | if (!pf_id) | 2465 | |
2182 | return; | 2466 | /* set filtering for VMDQ pools */ |
2467 | igb_set_vmolr(adapter, reg_idx & 0x7); | ||
2183 | 2468 | ||
2184 | vtctl = rd32(E1000_VT_CTL); | 2469 | /* enable receive descriptor fetching */ |
2185 | vtctl &= ~(E1000_VT_CTL_DEFAULT_POOL_MASK | | 2470 | rxdctl = rd32(E1000_RXDCTL(reg_idx)); |
2186 | E1000_VT_CTL_DISABLE_DEF_POOL); | 2471 | rxdctl |= E1000_RXDCTL_QUEUE_ENABLE; |
2187 | vtctl |= pf_id << E1000_VT_CTL_DEFAULT_POOL_SHIFT; | 2472 | rxdctl &= 0xFFF00000; |
2188 | wr32(E1000_VT_CTL, vtctl); | 2473 | rxdctl |= IGB_RX_PTHRESH; |
2474 | rxdctl |= IGB_RX_HTHRESH << 8; | ||
2475 | rxdctl |= IGB_RX_WTHRESH << 16; | ||
2476 | wr32(E1000_RXDCTL(reg_idx), rxdctl); | ||
2189 | } | 2477 | } |
2190 | 2478 | ||
2191 | /** | 2479 | /** |
@@ -2196,112 +2484,19 @@ static void igb_configure_vt_default_pool(struct igb_adapter *adapter) | |||
2196 | **/ | 2484 | **/ |
2197 | static void igb_configure_rx(struct igb_adapter *adapter) | 2485 | static void igb_configure_rx(struct igb_adapter *adapter) |
2198 | { | 2486 | { |
2199 | u64 rdba; | ||
2200 | struct e1000_hw *hw = &adapter->hw; | ||
2201 | u32 rctl, rxcsum; | ||
2202 | u32 rxdctl; | ||
2203 | int i; | 2487 | int i; |
2204 | 2488 | ||
2205 | /* disable receives while setting up the descriptors */ | 2489 | /* set UTA to appropriate mode */ |
2206 | rctl = rd32(E1000_RCTL); | 2490 | igb_set_uta(adapter); |
2207 | wr32(E1000_RCTL, rctl & ~E1000_RCTL_EN); | ||
2208 | wrfl(); | ||
2209 | mdelay(10); | ||
2210 | 2491 | ||
2211 | if (adapter->itr_setting > 3) | 2492 | /* set the correct pool for the PF default MAC address in entry 0 */ |
2212 | wr32(E1000_ITR, adapter->itr); | 2493 | igb_rar_set_qsel(adapter, adapter->hw.mac.addr, 0, |
2494 | adapter->vfs_allocated_count); | ||
2213 | 2495 | ||
2214 | /* Setup the HW Rx Head and Tail Descriptor Pointers and | 2496 | /* Setup the HW Rx Head and Tail Descriptor Pointers and |
2215 | * the Base and Length of the Rx Descriptor Ring */ | 2497 | * the Base and Length of the Rx Descriptor Ring */ |
2216 | for (i = 0; i < adapter->num_rx_queues; i++) { | 2498 | for (i = 0; i < adapter->num_rx_queues; i++) |
2217 | struct igb_ring *ring = &adapter->rx_ring[i]; | 2499 | igb_configure_rx_ring(adapter, &adapter->rx_ring[i]); |
2218 | int j = ring->reg_idx; | ||
2219 | rdba = ring->dma; | ||
2220 | wr32(E1000_RDBAL(j), | ||
2221 | rdba & 0x00000000ffffffffULL); | ||
2222 | wr32(E1000_RDBAH(j), rdba >> 32); | ||
2223 | wr32(E1000_RDLEN(j), | ||
2224 | ring->count * sizeof(union e1000_adv_rx_desc)); | ||
2225 | |||
2226 | ring->head = E1000_RDH(j); | ||
2227 | ring->tail = E1000_RDT(j); | ||
2228 | writel(0, hw->hw_addr + ring->tail); | ||
2229 | writel(0, hw->hw_addr + ring->head); | ||
2230 | |||
2231 | rxdctl = rd32(E1000_RXDCTL(j)); | ||
2232 | rxdctl |= E1000_RXDCTL_QUEUE_ENABLE; | ||
2233 | rxdctl &= 0xFFF00000; | ||
2234 | rxdctl |= IGB_RX_PTHRESH; | ||
2235 | rxdctl |= IGB_RX_HTHRESH << 8; | ||
2236 | rxdctl |= IGB_RX_WTHRESH << 16; | ||
2237 | wr32(E1000_RXDCTL(j), rxdctl); | ||
2238 | } | ||
2239 | |||
2240 | if (adapter->num_rx_queues > 1) { | ||
2241 | u32 random[10]; | ||
2242 | u32 mrqc; | ||
2243 | u32 j, shift; | ||
2244 | union e1000_reta { | ||
2245 | u32 dword; | ||
2246 | u8 bytes[4]; | ||
2247 | } reta; | ||
2248 | |||
2249 | get_random_bytes(&random[0], 40); | ||
2250 | |||
2251 | if (hw->mac.type >= e1000_82576) | ||
2252 | shift = 0; | ||
2253 | else | ||
2254 | shift = 6; | ||
2255 | for (j = 0; j < (32 * 4); j++) { | ||
2256 | reta.bytes[j & 3] = | ||
2257 | adapter->rx_ring[(j % adapter->num_rx_queues)].reg_idx << shift; | ||
2258 | if ((j & 3) == 3) | ||
2259 | writel(reta.dword, | ||
2260 | hw->hw_addr + E1000_RETA(0) + (j & ~3)); | ||
2261 | } | ||
2262 | if (adapter->vfs_allocated_count) | ||
2263 | mrqc = E1000_MRQC_ENABLE_VMDQ_RSS_2Q; | ||
2264 | else | ||
2265 | mrqc = E1000_MRQC_ENABLE_RSS_4Q; | ||
2266 | |||
2267 | /* Fill out hash function seeds */ | ||
2268 | for (j = 0; j < 10; j++) | ||
2269 | array_wr32(E1000_RSSRK(0), j, random[j]); | ||
2270 | |||
2271 | mrqc |= (E1000_MRQC_RSS_FIELD_IPV4 | | ||
2272 | E1000_MRQC_RSS_FIELD_IPV4_TCP); | ||
2273 | mrqc |= (E1000_MRQC_RSS_FIELD_IPV6 | | ||
2274 | E1000_MRQC_RSS_FIELD_IPV6_TCP); | ||
2275 | mrqc |= (E1000_MRQC_RSS_FIELD_IPV4_UDP | | ||
2276 | E1000_MRQC_RSS_FIELD_IPV6_UDP); | ||
2277 | mrqc |= (E1000_MRQC_RSS_FIELD_IPV6_UDP_EX | | ||
2278 | E1000_MRQC_RSS_FIELD_IPV6_TCP_EX); | ||
2279 | |||
2280 | wr32(E1000_MRQC, mrqc); | ||
2281 | } else if (adapter->vfs_allocated_count) { | ||
2282 | /* Enable multi-queue for sr-iov */ | ||
2283 | wr32(E1000_MRQC, E1000_MRQC_ENABLE_VMDQ); | ||
2284 | } | ||
2285 | |||
2286 | /* Enable Receive Checksum Offload for TCP and UDP */ | ||
2287 | rxcsum = rd32(E1000_RXCSUM); | ||
2288 | /* Disable raw packet checksumming */ | ||
2289 | rxcsum |= E1000_RXCSUM_PCSD; | ||
2290 | |||
2291 | if (adapter->hw.mac.type == e1000_82576) | ||
2292 | /* Enable Receive Checksum Offload for SCTP */ | ||
2293 | rxcsum |= E1000_RXCSUM_CRCOFL; | ||
2294 | |||
2295 | /* Don't need to set TUOFL or IPOFL, they default to 1 */ | ||
2296 | wr32(E1000_RXCSUM, rxcsum); | ||
2297 | |||
2298 | /* Set the default pool for the PF's first queue */ | ||
2299 | igb_configure_vt_default_pool(adapter); | ||
2300 | |||
2301 | igb_rlpml_set(adapter); | ||
2302 | |||
2303 | /* Enable Receives */ | ||
2304 | wr32(E1000_RCTL, rctl); | ||
2305 | } | 2500 | } |
2306 | 2501 | ||
2307 | /** | 2502 | /** |
@@ -2312,14 +2507,17 @@ static void igb_configure_rx(struct igb_adapter *adapter) | |||
2312 | **/ | 2507 | **/ |
2313 | void igb_free_tx_resources(struct igb_ring *tx_ring) | 2508 | void igb_free_tx_resources(struct igb_ring *tx_ring) |
2314 | { | 2509 | { |
2315 | struct pci_dev *pdev = tx_ring->adapter->pdev; | ||
2316 | |||
2317 | igb_clean_tx_ring(tx_ring); | 2510 | igb_clean_tx_ring(tx_ring); |
2318 | 2511 | ||
2319 | vfree(tx_ring->buffer_info); | 2512 | vfree(tx_ring->buffer_info); |
2320 | tx_ring->buffer_info = NULL; | 2513 | tx_ring->buffer_info = NULL; |
2321 | 2514 | ||
2322 | pci_free_consistent(pdev, tx_ring->size, tx_ring->desc, tx_ring->dma); | 2515 | /* if not set, then don't free */ |
2516 | if (!tx_ring->desc) | ||
2517 | return; | ||
2518 | |||
2519 | pci_free_consistent(tx_ring->pdev, tx_ring->size, | ||
2520 | tx_ring->desc, tx_ring->dma); | ||
2323 | 2521 | ||
2324 | tx_ring->desc = NULL; | 2522 | tx_ring->desc = NULL; |
2325 | } | 2523 | } |
@@ -2338,12 +2536,13 @@ static void igb_free_all_tx_resources(struct igb_adapter *adapter) | |||
2338 | igb_free_tx_resources(&adapter->tx_ring[i]); | 2536 | igb_free_tx_resources(&adapter->tx_ring[i]); |
2339 | } | 2537 | } |
2340 | 2538 | ||
2341 | static void igb_unmap_and_free_tx_resource(struct igb_adapter *adapter, | 2539 | void igb_unmap_and_free_tx_resource(struct igb_ring *tx_ring, |
2342 | struct igb_buffer *buffer_info) | 2540 | struct igb_buffer *buffer_info) |
2343 | { | 2541 | { |
2344 | buffer_info->dma = 0; | 2542 | buffer_info->dma = 0; |
2345 | if (buffer_info->skb) { | 2543 | if (buffer_info->skb) { |
2346 | skb_dma_unmap(&adapter->pdev->dev, buffer_info->skb, | 2544 | skb_dma_unmap(&tx_ring->pdev->dev, |
2545 | buffer_info->skb, | ||
2347 | DMA_TO_DEVICE); | 2546 | DMA_TO_DEVICE); |
2348 | dev_kfree_skb_any(buffer_info->skb); | 2547 | dev_kfree_skb_any(buffer_info->skb); |
2349 | buffer_info->skb = NULL; | 2548 | buffer_info->skb = NULL; |
@@ -2358,7 +2557,6 @@ static void igb_unmap_and_free_tx_resource(struct igb_adapter *adapter, | |||
2358 | **/ | 2557 | **/ |
2359 | static void igb_clean_tx_ring(struct igb_ring *tx_ring) | 2558 | static void igb_clean_tx_ring(struct igb_ring *tx_ring) |
2360 | { | 2559 | { |
2361 | struct igb_adapter *adapter = tx_ring->adapter; | ||
2362 | struct igb_buffer *buffer_info; | 2560 | struct igb_buffer *buffer_info; |
2363 | unsigned long size; | 2561 | unsigned long size; |
2364 | unsigned int i; | 2562 | unsigned int i; |
@@ -2369,21 +2567,17 @@ static void igb_clean_tx_ring(struct igb_ring *tx_ring) | |||
2369 | 2567 | ||
2370 | for (i = 0; i < tx_ring->count; i++) { | 2568 | for (i = 0; i < tx_ring->count; i++) { |
2371 | buffer_info = &tx_ring->buffer_info[i]; | 2569 | buffer_info = &tx_ring->buffer_info[i]; |
2372 | igb_unmap_and_free_tx_resource(adapter, buffer_info); | 2570 | igb_unmap_and_free_tx_resource(tx_ring, buffer_info); |
2373 | } | 2571 | } |
2374 | 2572 | ||
2375 | size = sizeof(struct igb_buffer) * tx_ring->count; | 2573 | size = sizeof(struct igb_buffer) * tx_ring->count; |
2376 | memset(tx_ring->buffer_info, 0, size); | 2574 | memset(tx_ring->buffer_info, 0, size); |
2377 | 2575 | ||
2378 | /* Zero out the descriptor ring */ | 2576 | /* Zero out the descriptor ring */ |
2379 | |||
2380 | memset(tx_ring->desc, 0, tx_ring->size); | 2577 | memset(tx_ring->desc, 0, tx_ring->size); |
2381 | 2578 | ||
2382 | tx_ring->next_to_use = 0; | 2579 | tx_ring->next_to_use = 0; |
2383 | tx_ring->next_to_clean = 0; | 2580 | tx_ring->next_to_clean = 0; |
2384 | |||
2385 | writel(0, adapter->hw.hw_addr + tx_ring->head); | ||
2386 | writel(0, adapter->hw.hw_addr + tx_ring->tail); | ||
2387 | } | 2581 | } |
2388 | 2582 | ||
2389 | /** | 2583 | /** |
@@ -2406,14 +2600,17 @@ static void igb_clean_all_tx_rings(struct igb_adapter *adapter) | |||
2406 | **/ | 2600 | **/ |
2407 | void igb_free_rx_resources(struct igb_ring *rx_ring) | 2601 | void igb_free_rx_resources(struct igb_ring *rx_ring) |
2408 | { | 2602 | { |
2409 | struct pci_dev *pdev = rx_ring->adapter->pdev; | ||
2410 | |||
2411 | igb_clean_rx_ring(rx_ring); | 2603 | igb_clean_rx_ring(rx_ring); |
2412 | 2604 | ||
2413 | vfree(rx_ring->buffer_info); | 2605 | vfree(rx_ring->buffer_info); |
2414 | rx_ring->buffer_info = NULL; | 2606 | rx_ring->buffer_info = NULL; |
2415 | 2607 | ||
2416 | pci_free_consistent(pdev, rx_ring->size, rx_ring->desc, rx_ring->dma); | 2608 | /* if not set, then don't free */ |
2609 | if (!rx_ring->desc) | ||
2610 | return; | ||
2611 | |||
2612 | pci_free_consistent(rx_ring->pdev, rx_ring->size, | ||
2613 | rx_ring->desc, rx_ring->dma); | ||
2417 | 2614 | ||
2418 | rx_ring->desc = NULL; | 2615 | rx_ring->desc = NULL; |
2419 | } | 2616 | } |
@@ -2438,26 +2635,21 @@ static void igb_free_all_rx_resources(struct igb_adapter *adapter) | |||
2438 | **/ | 2635 | **/ |
2439 | static void igb_clean_rx_ring(struct igb_ring *rx_ring) | 2636 | static void igb_clean_rx_ring(struct igb_ring *rx_ring) |
2440 | { | 2637 | { |
2441 | struct igb_adapter *adapter = rx_ring->adapter; | ||
2442 | struct igb_buffer *buffer_info; | 2638 | struct igb_buffer *buffer_info; |
2443 | struct pci_dev *pdev = adapter->pdev; | ||
2444 | unsigned long size; | 2639 | unsigned long size; |
2445 | unsigned int i; | 2640 | unsigned int i; |
2446 | 2641 | ||
2447 | if (!rx_ring->buffer_info) | 2642 | if (!rx_ring->buffer_info) |
2448 | return; | 2643 | return; |
2644 | |||
2449 | /* Free all the Rx ring sk_buffs */ | 2645 | /* Free all the Rx ring sk_buffs */ |
2450 | for (i = 0; i < rx_ring->count; i++) { | 2646 | for (i = 0; i < rx_ring->count; i++) { |
2451 | buffer_info = &rx_ring->buffer_info[i]; | 2647 | buffer_info = &rx_ring->buffer_info[i]; |
2452 | if (buffer_info->dma) { | 2648 | if (buffer_info->dma) { |
2453 | if (adapter->rx_ps_hdr_size) | 2649 | pci_unmap_single(rx_ring->pdev, |
2454 | pci_unmap_single(pdev, buffer_info->dma, | 2650 | buffer_info->dma, |
2455 | adapter->rx_ps_hdr_size, | 2651 | rx_ring->rx_buffer_len, |
2456 | PCI_DMA_FROMDEVICE); | 2652 | PCI_DMA_FROMDEVICE); |
2457 | else | ||
2458 | pci_unmap_single(pdev, buffer_info->dma, | ||
2459 | adapter->rx_buffer_len, | ||
2460 | PCI_DMA_FROMDEVICE); | ||
2461 | buffer_info->dma = 0; | 2653 | buffer_info->dma = 0; |
2462 | } | 2654 | } |
2463 | 2655 | ||
@@ -2465,14 +2657,16 @@ static void igb_clean_rx_ring(struct igb_ring *rx_ring) | |||
2465 | dev_kfree_skb(buffer_info->skb); | 2657 | dev_kfree_skb(buffer_info->skb); |
2466 | buffer_info->skb = NULL; | 2658 | buffer_info->skb = NULL; |
2467 | } | 2659 | } |
2660 | if (buffer_info->page_dma) { | ||
2661 | pci_unmap_page(rx_ring->pdev, | ||
2662 | buffer_info->page_dma, | ||
2663 | PAGE_SIZE / 2, | ||
2664 | PCI_DMA_FROMDEVICE); | ||
2665 | buffer_info->page_dma = 0; | ||
2666 | } | ||
2468 | if (buffer_info->page) { | 2667 | if (buffer_info->page) { |
2469 | if (buffer_info->page_dma) | ||
2470 | pci_unmap_page(pdev, buffer_info->page_dma, | ||
2471 | PAGE_SIZE / 2, | ||
2472 | PCI_DMA_FROMDEVICE); | ||
2473 | put_page(buffer_info->page); | 2668 | put_page(buffer_info->page); |
2474 | buffer_info->page = NULL; | 2669 | buffer_info->page = NULL; |
2475 | buffer_info->page_dma = 0; | ||
2476 | buffer_info->page_offset = 0; | 2670 | buffer_info->page_offset = 0; |
2477 | } | 2671 | } |
2478 | } | 2672 | } |
@@ -2485,9 +2679,6 @@ static void igb_clean_rx_ring(struct igb_ring *rx_ring) | |||
2485 | 2679 | ||
2486 | rx_ring->next_to_clean = 0; | 2680 | rx_ring->next_to_clean = 0; |
2487 | rx_ring->next_to_use = 0; | 2681 | rx_ring->next_to_use = 0; |
2488 | |||
2489 | writel(0, adapter->hw.hw_addr + rx_ring->head); | ||
2490 | writel(0, adapter->hw.hw_addr + rx_ring->tail); | ||
2491 | } | 2682 | } |
2492 | 2683 | ||
2493 | /** | 2684 | /** |
@@ -2521,61 +2712,90 @@ static int igb_set_mac(struct net_device *netdev, void *p) | |||
2521 | memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); | 2712 | memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); |
2522 | memcpy(hw->mac.addr, addr->sa_data, netdev->addr_len); | 2713 | memcpy(hw->mac.addr, addr->sa_data, netdev->addr_len); |
2523 | 2714 | ||
2524 | igb_rar_set(hw, hw->mac.addr, 0); | 2715 | /* set the correct pool for the new PF MAC address in entry 0 */ |
2525 | igb_set_rah_pool(hw, adapter->vfs_allocated_count, 0); | 2716 | igb_rar_set_qsel(adapter, hw->mac.addr, 0, |
2717 | adapter->vfs_allocated_count); | ||
2526 | 2718 | ||
2527 | return 0; | 2719 | return 0; |
2528 | } | 2720 | } |
2529 | 2721 | ||
2530 | /** | 2722 | /** |
2531 | * igb_set_rx_mode - Secondary Unicast, Multicast and Promiscuous mode set | 2723 | * igb_write_mc_addr_list - write multicast addresses to MTA |
2532 | * @netdev: network interface device structure | 2724 | * @netdev: network interface device structure |
2533 | * | 2725 | * |
2534 | * The set_rx_mode entry point is called whenever the unicast or multicast | 2726 | * Writes multicast address list to the MTA hash table. |
2535 | * address lists or the network interface flags are updated. This routine is | 2727 | * Returns: -ENOMEM on failure |
2536 | * responsible for configuring the hardware for proper unicast, multicast, | 2728 | * 0 on no addresses written |
2537 | * promiscuous mode, and all-multi behavior. | 2729 | * X on writing X addresses to MTA |
2538 | **/ | 2730 | **/ |
2539 | static void igb_set_rx_mode(struct net_device *netdev) | 2731 | static int igb_write_mc_addr_list(struct net_device *netdev) |
2540 | { | 2732 | { |
2541 | struct igb_adapter *adapter = netdev_priv(netdev); | 2733 | struct igb_adapter *adapter = netdev_priv(netdev); |
2542 | struct e1000_hw *hw = &adapter->hw; | 2734 | struct e1000_hw *hw = &adapter->hw; |
2543 | unsigned int rar_entries = hw->mac.rar_entry_count - | ||
2544 | (adapter->vfs_allocated_count + 1); | ||
2545 | struct dev_mc_list *mc_ptr = netdev->mc_list; | 2735 | struct dev_mc_list *mc_ptr = netdev->mc_list; |
2546 | u8 *mta_list = NULL; | 2736 | u8 *mta_list; |
2547 | u32 rctl; | 2737 | u32 vmolr = 0; |
2548 | int i; | 2738 | int i; |
2549 | 2739 | ||
2550 | /* Check for Promiscuous and All Multicast modes */ | 2740 | if (!netdev->mc_count) { |
2551 | rctl = rd32(E1000_RCTL); | 2741 | /* nothing to program, so clear mc list */ |
2742 | igb_update_mc_addr_list(hw, NULL, 0); | ||
2743 | igb_restore_vf_multicasts(adapter); | ||
2744 | return 0; | ||
2745 | } | ||
2552 | 2746 | ||
2553 | if (netdev->flags & IFF_PROMISC) { | 2747 | mta_list = kzalloc(netdev->mc_count * 6, GFP_ATOMIC); |
2554 | rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE); | 2748 | if (!mta_list) |
2555 | rctl &= ~E1000_RCTL_VFE; | 2749 | return -ENOMEM; |
2556 | } else { | ||
2557 | if (netdev->flags & IFF_ALLMULTI) | ||
2558 | rctl |= E1000_RCTL_MPE; | ||
2559 | else | ||
2560 | rctl &= ~E1000_RCTL_MPE; | ||
2561 | 2750 | ||
2562 | if (netdev->uc.count > rar_entries) | 2751 | /* set vmolr receive overflow multicast bit */ |
2563 | rctl |= E1000_RCTL_UPE; | 2752 | vmolr |= E1000_VMOLR_ROMPE; |
2564 | else | 2753 | |
2565 | rctl &= ~E1000_RCTL_UPE; | 2754 | /* The shared function expects a packed array of only addresses. */ |
2566 | rctl |= E1000_RCTL_VFE; | 2755 | mc_ptr = netdev->mc_list; |
2756 | |||
2757 | for (i = 0; i < netdev->mc_count; i++) { | ||
2758 | if (!mc_ptr) | ||
2759 | break; | ||
2760 | memcpy(mta_list + (i*ETH_ALEN), mc_ptr->dmi_addr, ETH_ALEN); | ||
2761 | mc_ptr = mc_ptr->next; | ||
2567 | } | 2762 | } |
2568 | wr32(E1000_RCTL, rctl); | 2763 | igb_update_mc_addr_list(hw, mta_list, i); |
2764 | kfree(mta_list); | ||
2765 | |||
2766 | return netdev->mc_count; | ||
2767 | } | ||
2768 | |||
2769 | /** | ||
2770 | * igb_write_uc_addr_list - write unicast addresses to RAR table | ||
2771 | * @netdev: network interface device structure | ||
2772 | * | ||
2773 | * Writes unicast address list to the RAR table. | ||
2774 | * Returns: -ENOMEM on failure/insufficient address space | ||
2775 | * 0 on no addresses written | ||
2776 | * X on writing X addresses to the RAR table | ||
2777 | **/ | ||
2778 | static int igb_write_uc_addr_list(struct net_device *netdev) | ||
2779 | { | ||
2780 | struct igb_adapter *adapter = netdev_priv(netdev); | ||
2781 | struct e1000_hw *hw = &adapter->hw; | ||
2782 | unsigned int vfn = adapter->vfs_allocated_count; | ||
2783 | unsigned int rar_entries = hw->mac.rar_entry_count - (vfn + 1); | ||
2784 | int count = 0; | ||
2785 | |||
2786 | /* return ENOMEM indicating insufficient memory for addresses */ | ||
2787 | if (netdev->uc.count > rar_entries) | ||
2788 | return -ENOMEM; | ||
2569 | 2789 | ||
2570 | if (netdev->uc.count && rar_entries) { | 2790 | if (netdev->uc.count && rar_entries) { |
2571 | struct netdev_hw_addr *ha; | 2791 | struct netdev_hw_addr *ha; |
2572 | list_for_each_entry(ha, &netdev->uc.list, list) { | 2792 | list_for_each_entry(ha, &netdev->uc.list, list) { |
2573 | if (!rar_entries) | 2793 | if (!rar_entries) |
2574 | break; | 2794 | break; |
2575 | igb_rar_set(hw, ha->addr, rar_entries); | 2795 | igb_rar_set_qsel(adapter, ha->addr, |
2576 | igb_set_rah_pool(hw, adapter->vfs_allocated_count, | 2796 | rar_entries--, |
2577 | rar_entries); | 2797 | vfn); |
2578 | rar_entries--; | 2798 | count++; |
2579 | } | 2799 | } |
2580 | } | 2800 | } |
2581 | /* write the addresses in reverse order to avoid write combining */ | 2801 | /* write the addresses in reverse order to avoid write combining */ |
@@ -2585,29 +2805,79 @@ static void igb_set_rx_mode(struct net_device *netdev) | |||
2585 | } | 2805 | } |
2586 | wrfl(); | 2806 | wrfl(); |
2587 | 2807 | ||
2588 | if (!netdev->mc_count) { | 2808 | return count; |
2589 | /* nothing to program, so clear mc list */ | 2809 | } |
2590 | igb_update_mc_addr_list(hw, NULL, 0); | 2810 | |
2591 | igb_restore_vf_multicasts(adapter); | 2811 | /** |
2592 | return; | 2812 | * igb_set_rx_mode - Secondary Unicast, Multicast and Promiscuous mode set |
2813 | * @netdev: network interface device structure | ||
2814 | * | ||
2815 | * The set_rx_mode entry point is called whenever the unicast or multicast | ||
2816 | * address lists or the network interface flags are updated. This routine is | ||
2817 | * responsible for configuring the hardware for proper unicast, multicast, | ||
2818 | * promiscuous mode, and all-multi behavior. | ||
2819 | **/ | ||
2820 | static void igb_set_rx_mode(struct net_device *netdev) | ||
2821 | { | ||
2822 | struct igb_adapter *adapter = netdev_priv(netdev); | ||
2823 | struct e1000_hw *hw = &adapter->hw; | ||
2824 | unsigned int vfn = adapter->vfs_allocated_count; | ||
2825 | u32 rctl, vmolr = 0; | ||
2826 | int count; | ||
2827 | |||
2828 | /* Check for Promiscuous and All Multicast modes */ | ||
2829 | rctl = rd32(E1000_RCTL); | ||
2830 | |||
2831 | /* clear the effected bits */ | ||
2832 | rctl &= ~(E1000_RCTL_UPE | E1000_RCTL_MPE | E1000_RCTL_VFE); | ||
2833 | |||
2834 | if (netdev->flags & IFF_PROMISC) { | ||
2835 | rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE); | ||
2836 | vmolr |= (E1000_VMOLR_ROPE | E1000_VMOLR_MPME); | ||
2837 | } else { | ||
2838 | if (netdev->flags & IFF_ALLMULTI) { | ||
2839 | rctl |= E1000_RCTL_MPE; | ||
2840 | vmolr |= E1000_VMOLR_MPME; | ||
2841 | } else { | ||
2842 | /* | ||
2843 | * Write addresses to the MTA, if the attempt fails | ||
2844 | * then we should just turn on promiscous mode so | ||
2845 | * that we can at least receive multicast traffic | ||
2846 | */ | ||
2847 | count = igb_write_mc_addr_list(netdev); | ||
2848 | if (count < 0) { | ||
2849 | rctl |= E1000_RCTL_MPE; | ||
2850 | vmolr |= E1000_VMOLR_MPME; | ||
2851 | } else if (count) { | ||
2852 | vmolr |= E1000_VMOLR_ROMPE; | ||
2853 | } | ||
2854 | } | ||
2855 | /* | ||
2856 | * Write addresses to available RAR registers, if there is not | ||
2857 | * sufficient space to store all the addresses then enable | ||
2858 | * unicast promiscous mode | ||
2859 | */ | ||
2860 | count = igb_write_uc_addr_list(netdev); | ||
2861 | if (count < 0) { | ||
2862 | rctl |= E1000_RCTL_UPE; | ||
2863 | vmolr |= E1000_VMOLR_ROPE; | ||
2864 | } | ||
2865 | rctl |= E1000_RCTL_VFE; | ||
2593 | } | 2866 | } |
2867 | wr32(E1000_RCTL, rctl); | ||
2594 | 2868 | ||
2595 | mta_list = kzalloc(netdev->mc_count * 6, GFP_ATOMIC); | 2869 | /* |
2596 | if (!mta_list) { | 2870 | * In order to support SR-IOV and eventually VMDq it is necessary to set |
2597 | dev_err(&adapter->pdev->dev, | 2871 | * the VMOLR to enable the appropriate modes. Without this workaround |
2598 | "failed to allocate multicast filter list\n"); | 2872 | * we will have issues with VLAN tag stripping not being done for frames |
2873 | * that are only arriving because we are the default pool | ||
2874 | */ | ||
2875 | if (hw->mac.type < e1000_82576) | ||
2599 | return; | 2876 | return; |
2600 | } | ||
2601 | 2877 | ||
2602 | /* The shared function expects a packed array of only addresses. */ | 2878 | vmolr |= rd32(E1000_VMOLR(vfn)) & |
2603 | for (i = 0; i < netdev->mc_count; i++) { | 2879 | ~(E1000_VMOLR_ROPE | E1000_VMOLR_MPME | E1000_VMOLR_ROMPE); |
2604 | if (!mc_ptr) | 2880 | wr32(E1000_VMOLR(vfn), vmolr); |
2605 | break; | ||
2606 | memcpy(mta_list + (i*ETH_ALEN), mc_ptr->dmi_addr, ETH_ALEN); | ||
2607 | mc_ptr = mc_ptr->next; | ||
2608 | } | ||
2609 | igb_update_mc_addr_list(hw, mta_list, i); | ||
2610 | kfree(mta_list); | ||
2611 | igb_restore_vf_multicasts(adapter); | 2881 | igb_restore_vf_multicasts(adapter); |
2612 | } | 2882 | } |
2613 | 2883 | ||
@@ -2669,37 +2939,33 @@ static void igb_watchdog(unsigned long data) | |||
2669 | static void igb_watchdog_task(struct work_struct *work) | 2939 | static void igb_watchdog_task(struct work_struct *work) |
2670 | { | 2940 | { |
2671 | struct igb_adapter *adapter = container_of(work, | 2941 | struct igb_adapter *adapter = container_of(work, |
2672 | struct igb_adapter, watchdog_task); | 2942 | struct igb_adapter, |
2943 | watchdog_task); | ||
2673 | struct e1000_hw *hw = &adapter->hw; | 2944 | struct e1000_hw *hw = &adapter->hw; |
2674 | struct net_device *netdev = adapter->netdev; | 2945 | struct net_device *netdev = adapter->netdev; |
2675 | struct igb_ring *tx_ring = adapter->tx_ring; | ||
2676 | u32 link; | 2946 | u32 link; |
2677 | u32 eics = 0; | ||
2678 | int i; | 2947 | int i; |
2679 | 2948 | ||
2680 | link = igb_has_link(adapter); | 2949 | link = igb_has_link(adapter); |
2681 | if ((netif_carrier_ok(netdev)) && link) | ||
2682 | goto link_up; | ||
2683 | |||
2684 | if (link) { | 2950 | if (link) { |
2685 | if (!netif_carrier_ok(netdev)) { | 2951 | if (!netif_carrier_ok(netdev)) { |
2686 | u32 ctrl; | 2952 | u32 ctrl; |
2687 | hw->mac.ops.get_speed_and_duplex(&adapter->hw, | 2953 | hw->mac.ops.get_speed_and_duplex(hw, |
2688 | &adapter->link_speed, | 2954 | &adapter->link_speed, |
2689 | &adapter->link_duplex); | 2955 | &adapter->link_duplex); |
2690 | 2956 | ||
2691 | ctrl = rd32(E1000_CTRL); | 2957 | ctrl = rd32(E1000_CTRL); |
2692 | /* Links status message must follow this format */ | 2958 | /* Links status message must follow this format */ |
2693 | printk(KERN_INFO "igb: %s NIC Link is Up %d Mbps %s, " | 2959 | printk(KERN_INFO "igb: %s NIC Link is Up %d Mbps %s, " |
2694 | "Flow Control: %s\n", | 2960 | "Flow Control: %s\n", |
2695 | netdev->name, | 2961 | netdev->name, |
2696 | adapter->link_speed, | 2962 | adapter->link_speed, |
2697 | adapter->link_duplex == FULL_DUPLEX ? | 2963 | adapter->link_duplex == FULL_DUPLEX ? |
2698 | "Full Duplex" : "Half Duplex", | 2964 | "Full Duplex" : "Half Duplex", |
2699 | ((ctrl & E1000_CTRL_TFCE) && (ctrl & | 2965 | ((ctrl & E1000_CTRL_TFCE) && |
2700 | E1000_CTRL_RFCE)) ? "RX/TX" : ((ctrl & | 2966 | (ctrl & E1000_CTRL_RFCE)) ? "RX/TX" : |
2701 | E1000_CTRL_RFCE) ? "RX" : ((ctrl & | 2967 | ((ctrl & E1000_CTRL_RFCE) ? "RX" : |
2702 | E1000_CTRL_TFCE) ? "TX" : "None"))); | 2968 | ((ctrl & E1000_CTRL_TFCE) ? "TX" : "None"))); |
2703 | 2969 | ||
2704 | /* tweak tx_queue_len according to speed/duplex and | 2970 | /* tweak tx_queue_len according to speed/duplex and |
2705 | * adjust the timeout factor */ | 2971 | * adjust the timeout factor */ |
@@ -2743,46 +3009,40 @@ static void igb_watchdog_task(struct work_struct *work) | |||
2743 | } | 3009 | } |
2744 | } | 3010 | } |
2745 | 3011 | ||
2746 | link_up: | ||
2747 | igb_update_stats(adapter); | 3012 | igb_update_stats(adapter); |
3013 | igb_update_adaptive(hw); | ||
2748 | 3014 | ||
2749 | hw->mac.tx_packet_delta = adapter->stats.tpt - adapter->tpt_old; | 3015 | for (i = 0; i < adapter->num_tx_queues; i++) { |
2750 | adapter->tpt_old = adapter->stats.tpt; | 3016 | struct igb_ring *tx_ring = &adapter->tx_ring[i]; |
2751 | hw->mac.collision_delta = adapter->stats.colc - adapter->colc_old; | 3017 | if (!netif_carrier_ok(netdev)) { |
2752 | adapter->colc_old = adapter->stats.colc; | ||
2753 | |||
2754 | adapter->gorc = adapter->stats.gorc - adapter->gorc_old; | ||
2755 | adapter->gorc_old = adapter->stats.gorc; | ||
2756 | adapter->gotc = adapter->stats.gotc - adapter->gotc_old; | ||
2757 | adapter->gotc_old = adapter->stats.gotc; | ||
2758 | |||
2759 | igb_update_adaptive(&adapter->hw); | ||
2760 | |||
2761 | if (!netif_carrier_ok(netdev)) { | ||
2762 | if (igb_desc_unused(tx_ring) + 1 < tx_ring->count) { | ||
2763 | /* We've lost link, so the controller stops DMA, | 3018 | /* We've lost link, so the controller stops DMA, |
2764 | * but we've got queued Tx work that's never going | 3019 | * but we've got queued Tx work that's never going |
2765 | * to get done, so reset controller to flush Tx. | 3020 | * to get done, so reset controller to flush Tx. |
2766 | * (Do the reset outside of interrupt context). */ | 3021 | * (Do the reset outside of interrupt context). */ |
2767 | adapter->tx_timeout_count++; | 3022 | if (igb_desc_unused(tx_ring) + 1 < tx_ring->count) { |
2768 | schedule_work(&adapter->reset_task); | 3023 | adapter->tx_timeout_count++; |
2769 | /* return immediately since reset is imminent */ | 3024 | schedule_work(&adapter->reset_task); |
2770 | return; | 3025 | /* return immediately since reset is imminent */ |
3026 | return; | ||
3027 | } | ||
2771 | } | 3028 | } |
3029 | |||
3030 | /* Force detection of hung controller every watchdog period */ | ||
3031 | tx_ring->detect_tx_hung = true; | ||
2772 | } | 3032 | } |
2773 | 3033 | ||
2774 | /* Cause software interrupt to ensure rx ring is cleaned */ | 3034 | /* Cause software interrupt to ensure rx ring is cleaned */ |
2775 | if (adapter->msix_entries) { | 3035 | if (adapter->msix_entries) { |
2776 | for (i = 0; i < adapter->num_rx_queues; i++) | 3036 | u32 eics = 0; |
2777 | eics |= adapter->rx_ring[i].eims_value; | 3037 | for (i = 0; i < adapter->num_q_vectors; i++) { |
3038 | struct igb_q_vector *q_vector = adapter->q_vector[i]; | ||
3039 | eics |= q_vector->eims_value; | ||
3040 | } | ||
2778 | wr32(E1000_EICS, eics); | 3041 | wr32(E1000_EICS, eics); |
2779 | } else { | 3042 | } else { |
2780 | wr32(E1000_ICS, E1000_ICS_RXDMT0); | 3043 | wr32(E1000_ICS, E1000_ICS_RXDMT0); |
2781 | } | 3044 | } |
2782 | 3045 | ||
2783 | /* Force detection of hung controller every watchdog period */ | ||
2784 | tx_ring->detect_tx_hung = true; | ||
2785 | |||
2786 | /* Reset the timer */ | 3046 | /* Reset the timer */ |
2787 | if (!test_bit(__IGB_DOWN, &adapter->state)) | 3047 | if (!test_bit(__IGB_DOWN, &adapter->state)) |
2788 | mod_timer(&adapter->watchdog_timer, | 3048 | mod_timer(&adapter->watchdog_timer, |
@@ -2796,7 +3056,6 @@ enum latency_range { | |||
2796 | latency_invalid = 255 | 3056 | latency_invalid = 255 |
2797 | }; | 3057 | }; |
2798 | 3058 | ||
2799 | |||
2800 | /** | 3059 | /** |
2801 | * igb_update_ring_itr - update the dynamic ITR value based on packet size | 3060 | * igb_update_ring_itr - update the dynamic ITR value based on packet size |
2802 | * | 3061 | * |
@@ -2811,25 +3070,37 @@ enum latency_range { | |||
2811 | * parameter (see igb_param.c) | 3070 | * parameter (see igb_param.c) |
2812 | * NOTE: This function is called only when operating in a multiqueue | 3071 | * NOTE: This function is called only when operating in a multiqueue |
2813 | * receive environment. | 3072 | * receive environment. |
2814 | * @rx_ring: pointer to ring | 3073 | * @q_vector: pointer to q_vector |
2815 | **/ | 3074 | **/ |
2816 | static void igb_update_ring_itr(struct igb_ring *rx_ring) | 3075 | static void igb_update_ring_itr(struct igb_q_vector *q_vector) |
2817 | { | 3076 | { |
2818 | int new_val = rx_ring->itr_val; | 3077 | int new_val = q_vector->itr_val; |
2819 | int avg_wire_size = 0; | 3078 | int avg_wire_size = 0; |
2820 | struct igb_adapter *adapter = rx_ring->adapter; | 3079 | struct igb_adapter *adapter = q_vector->adapter; |
2821 | |||
2822 | if (!rx_ring->total_packets) | ||
2823 | goto clear_counts; /* no packets, so don't do anything */ | ||
2824 | 3080 | ||
2825 | /* For non-gigabit speeds, just fix the interrupt rate at 4000 | 3081 | /* For non-gigabit speeds, just fix the interrupt rate at 4000 |
2826 | * ints/sec - ITR timer value of 120 ticks. | 3082 | * ints/sec - ITR timer value of 120 ticks. |
2827 | */ | 3083 | */ |
2828 | if (adapter->link_speed != SPEED_1000) { | 3084 | if (adapter->link_speed != SPEED_1000) { |
2829 | new_val = 120; | 3085 | new_val = 976; |
2830 | goto set_itr_val; | 3086 | goto set_itr_val; |
2831 | } | 3087 | } |
2832 | avg_wire_size = rx_ring->total_bytes / rx_ring->total_packets; | 3088 | |
3089 | if (q_vector->rx_ring && q_vector->rx_ring->total_packets) { | ||
3090 | struct igb_ring *ring = q_vector->rx_ring; | ||
3091 | avg_wire_size = ring->total_bytes / ring->total_packets; | ||
3092 | } | ||
3093 | |||
3094 | if (q_vector->tx_ring && q_vector->tx_ring->total_packets) { | ||
3095 | struct igb_ring *ring = q_vector->tx_ring; | ||
3096 | avg_wire_size = max_t(u32, avg_wire_size, | ||
3097 | (ring->total_bytes / | ||
3098 | ring->total_packets)); | ||
3099 | } | ||
3100 | |||
3101 | /* if avg_wire_size isn't set no work was done */ | ||
3102 | if (!avg_wire_size) | ||
3103 | goto clear_counts; | ||
2833 | 3104 | ||
2834 | /* Add 24 bytes to size to account for CRC, preamble, and gap */ | 3105 | /* Add 24 bytes to size to account for CRC, preamble, and gap */ |
2835 | avg_wire_size += 24; | 3106 | avg_wire_size += 24; |
@@ -2844,13 +3115,19 @@ static void igb_update_ring_itr(struct igb_ring *rx_ring) | |||
2844 | new_val = avg_wire_size / 2; | 3115 | new_val = avg_wire_size / 2; |
2845 | 3116 | ||
2846 | set_itr_val: | 3117 | set_itr_val: |
2847 | if (new_val != rx_ring->itr_val) { | 3118 | if (new_val != q_vector->itr_val) { |
2848 | rx_ring->itr_val = new_val; | 3119 | q_vector->itr_val = new_val; |
2849 | rx_ring->set_itr = 1; | 3120 | q_vector->set_itr = 1; |
2850 | } | 3121 | } |
2851 | clear_counts: | 3122 | clear_counts: |
2852 | rx_ring->total_bytes = 0; | 3123 | if (q_vector->rx_ring) { |
2853 | rx_ring->total_packets = 0; | 3124 | q_vector->rx_ring->total_bytes = 0; |
3125 | q_vector->rx_ring->total_packets = 0; | ||
3126 | } | ||
3127 | if (q_vector->tx_ring) { | ||
3128 | q_vector->tx_ring->total_bytes = 0; | ||
3129 | q_vector->tx_ring->total_packets = 0; | ||
3130 | } | ||
2854 | } | 3131 | } |
2855 | 3132 | ||
2856 | /** | 3133 | /** |
@@ -2867,7 +3144,7 @@ clear_counts: | |||
2867 | * NOTE: These calculations are only valid when operating in a single- | 3144 | * NOTE: These calculations are only valid when operating in a single- |
2868 | * queue environment. | 3145 | * queue environment. |
2869 | * @adapter: pointer to adapter | 3146 | * @adapter: pointer to adapter |
2870 | * @itr_setting: current adapter->itr | 3147 | * @itr_setting: current q_vector->itr_val |
2871 | * @packets: the number of packets during this measurement interval | 3148 | * @packets: the number of packets during this measurement interval |
2872 | * @bytes: the number of bytes during this measurement interval | 3149 | * @bytes: the number of bytes during this measurement interval |
2873 | **/ | 3150 | **/ |
@@ -2919,8 +3196,9 @@ update_itr_done: | |||
2919 | 3196 | ||
2920 | static void igb_set_itr(struct igb_adapter *adapter) | 3197 | static void igb_set_itr(struct igb_adapter *adapter) |
2921 | { | 3198 | { |
3199 | struct igb_q_vector *q_vector = adapter->q_vector[0]; | ||
2922 | u16 current_itr; | 3200 | u16 current_itr; |
2923 | u32 new_itr = adapter->itr; | 3201 | u32 new_itr = q_vector->itr_val; |
2924 | 3202 | ||
2925 | /* for non-gigabit speeds, just fix the interrupt rate at 4000 */ | 3203 | /* for non-gigabit speeds, just fix the interrupt rate at 4000 */ |
2926 | if (adapter->link_speed != SPEED_1000) { | 3204 | if (adapter->link_speed != SPEED_1000) { |
@@ -2934,18 +3212,14 @@ static void igb_set_itr(struct igb_adapter *adapter) | |||
2934 | adapter->rx_ring->total_packets, | 3212 | adapter->rx_ring->total_packets, |
2935 | adapter->rx_ring->total_bytes); | 3213 | adapter->rx_ring->total_bytes); |
2936 | 3214 | ||
2937 | if (adapter->rx_ring->buddy) { | 3215 | adapter->tx_itr = igb_update_itr(adapter, |
2938 | adapter->tx_itr = igb_update_itr(adapter, | 3216 | adapter->tx_itr, |
2939 | adapter->tx_itr, | 3217 | adapter->tx_ring->total_packets, |
2940 | adapter->tx_ring->total_packets, | 3218 | adapter->tx_ring->total_bytes); |
2941 | adapter->tx_ring->total_bytes); | 3219 | current_itr = max(adapter->rx_itr, adapter->tx_itr); |
2942 | current_itr = max(adapter->rx_itr, adapter->tx_itr); | ||
2943 | } else { | ||
2944 | current_itr = adapter->rx_itr; | ||
2945 | } | ||
2946 | 3220 | ||
2947 | /* conservative mode (itr 3) eliminates the lowest_latency setting */ | 3221 | /* conservative mode (itr 3) eliminates the lowest_latency setting */ |
2948 | if (adapter->itr_setting == 3 && current_itr == lowest_latency) | 3222 | if (adapter->rx_itr_setting == 3 && current_itr == lowest_latency) |
2949 | current_itr = low_latency; | 3223 | current_itr = low_latency; |
2950 | 3224 | ||
2951 | switch (current_itr) { | 3225 | switch (current_itr) { |
@@ -2966,18 +3240,17 @@ static void igb_set_itr(struct igb_adapter *adapter) | |||
2966 | set_itr_now: | 3240 | set_itr_now: |
2967 | adapter->rx_ring->total_bytes = 0; | 3241 | adapter->rx_ring->total_bytes = 0; |
2968 | adapter->rx_ring->total_packets = 0; | 3242 | adapter->rx_ring->total_packets = 0; |
2969 | if (adapter->rx_ring->buddy) { | 3243 | adapter->tx_ring->total_bytes = 0; |
2970 | adapter->rx_ring->buddy->total_bytes = 0; | 3244 | adapter->tx_ring->total_packets = 0; |
2971 | adapter->rx_ring->buddy->total_packets = 0; | ||
2972 | } | ||
2973 | 3245 | ||
2974 | if (new_itr != adapter->itr) { | 3246 | if (new_itr != q_vector->itr_val) { |
2975 | /* this attempts to bias the interrupt rate towards Bulk | 3247 | /* this attempts to bias the interrupt rate towards Bulk |
2976 | * by adding intermediate steps when interrupt rate is | 3248 | * by adding intermediate steps when interrupt rate is |
2977 | * increasing */ | 3249 | * increasing */ |
2978 | new_itr = new_itr > adapter->itr ? | 3250 | new_itr = new_itr > q_vector->itr_val ? |
2979 | max((new_itr * adapter->itr) / | 3251 | max((new_itr * q_vector->itr_val) / |
2980 | (new_itr + (adapter->itr >> 2)), new_itr) : | 3252 | (new_itr + (q_vector->itr_val >> 2)), |
3253 | new_itr) : | ||
2981 | new_itr; | 3254 | new_itr; |
2982 | /* Don't write the value here; it resets the adapter's | 3255 | /* Don't write the value here; it resets the adapter's |
2983 | * internal timer, and causes us to delay far longer than | 3256 | * internal timer, and causes us to delay far longer than |
@@ -2985,25 +3258,22 @@ set_itr_now: | |||
2985 | * value at the beginning of the next interrupt so the timing | 3258 | * value at the beginning of the next interrupt so the timing |
2986 | * ends up being correct. | 3259 | * ends up being correct. |
2987 | */ | 3260 | */ |
2988 | adapter->itr = new_itr; | 3261 | q_vector->itr_val = new_itr; |
2989 | adapter->rx_ring->itr_val = new_itr; | 3262 | q_vector->set_itr = 1; |
2990 | adapter->rx_ring->set_itr = 1; | ||
2991 | } | 3263 | } |
2992 | 3264 | ||
2993 | return; | 3265 | return; |
2994 | } | 3266 | } |
2995 | 3267 | ||
2996 | |||
2997 | #define IGB_TX_FLAGS_CSUM 0x00000001 | 3268 | #define IGB_TX_FLAGS_CSUM 0x00000001 |
2998 | #define IGB_TX_FLAGS_VLAN 0x00000002 | 3269 | #define IGB_TX_FLAGS_VLAN 0x00000002 |
2999 | #define IGB_TX_FLAGS_TSO 0x00000004 | 3270 | #define IGB_TX_FLAGS_TSO 0x00000004 |
3000 | #define IGB_TX_FLAGS_IPV4 0x00000008 | 3271 | #define IGB_TX_FLAGS_IPV4 0x00000008 |
3001 | #define IGB_TX_FLAGS_TSTAMP 0x00000010 | 3272 | #define IGB_TX_FLAGS_TSTAMP 0x00000010 |
3002 | #define IGB_TX_FLAGS_VLAN_MASK 0xffff0000 | 3273 | #define IGB_TX_FLAGS_VLAN_MASK 0xffff0000 |
3003 | #define IGB_TX_FLAGS_VLAN_SHIFT 16 | 3274 | #define IGB_TX_FLAGS_VLAN_SHIFT 16 |
3004 | 3275 | ||
3005 | static inline int igb_tso_adv(struct igb_adapter *adapter, | 3276 | static inline int igb_tso_adv(struct igb_ring *tx_ring, |
3006 | struct igb_ring *tx_ring, | ||
3007 | struct sk_buff *skb, u32 tx_flags, u8 *hdr_len) | 3277 | struct sk_buff *skb, u32 tx_flags, u8 *hdr_len) |
3008 | { | 3278 | { |
3009 | struct e1000_adv_tx_context_desc *context_desc; | 3279 | struct e1000_adv_tx_context_desc *context_desc; |
@@ -3065,8 +3335,8 @@ static inline int igb_tso_adv(struct igb_adapter *adapter, | |||
3065 | mss_l4len_idx |= (l4len << E1000_ADVTXD_L4LEN_SHIFT); | 3335 | mss_l4len_idx |= (l4len << E1000_ADVTXD_L4LEN_SHIFT); |
3066 | 3336 | ||
3067 | /* For 82575, context index must be unique per ring. */ | 3337 | /* For 82575, context index must be unique per ring. */ |
3068 | if (adapter->flags & IGB_FLAG_NEED_CTX_IDX) | 3338 | if (tx_ring->flags & IGB_RING_FLAG_TX_CTX_IDX) |
3069 | mss_l4len_idx |= tx_ring->queue_index << 4; | 3339 | mss_l4len_idx |= tx_ring->reg_idx << 4; |
3070 | 3340 | ||
3071 | context_desc->mss_l4len_idx = cpu_to_le32(mss_l4len_idx); | 3341 | context_desc->mss_l4len_idx = cpu_to_le32(mss_l4len_idx); |
3072 | context_desc->seqnum_seed = 0; | 3342 | context_desc->seqnum_seed = 0; |
@@ -3083,14 +3353,14 @@ static inline int igb_tso_adv(struct igb_adapter *adapter, | |||
3083 | return true; | 3353 | return true; |
3084 | } | 3354 | } |
3085 | 3355 | ||
3086 | static inline bool igb_tx_csum_adv(struct igb_adapter *adapter, | 3356 | static inline bool igb_tx_csum_adv(struct igb_ring *tx_ring, |
3087 | struct igb_ring *tx_ring, | 3357 | struct sk_buff *skb, u32 tx_flags) |
3088 | struct sk_buff *skb, u32 tx_flags) | ||
3089 | { | 3358 | { |
3090 | struct e1000_adv_tx_context_desc *context_desc; | 3359 | struct e1000_adv_tx_context_desc *context_desc; |
3091 | unsigned int i; | 3360 | struct pci_dev *pdev = tx_ring->pdev; |
3092 | struct igb_buffer *buffer_info; | 3361 | struct igb_buffer *buffer_info; |
3093 | u32 info = 0, tu_cmd = 0; | 3362 | u32 info = 0, tu_cmd = 0; |
3363 | unsigned int i; | ||
3094 | 3364 | ||
3095 | if ((skb->ip_summed == CHECKSUM_PARTIAL) || | 3365 | if ((skb->ip_summed == CHECKSUM_PARTIAL) || |
3096 | (tx_flags & IGB_TX_FLAGS_VLAN)) { | 3366 | (tx_flags & IGB_TX_FLAGS_VLAN)) { |
@@ -3100,6 +3370,7 @@ static inline bool igb_tx_csum_adv(struct igb_adapter *adapter, | |||
3100 | 3370 | ||
3101 | if (tx_flags & IGB_TX_FLAGS_VLAN) | 3371 | if (tx_flags & IGB_TX_FLAGS_VLAN) |
3102 | info |= (tx_flags & IGB_TX_FLAGS_VLAN_MASK); | 3372 | info |= (tx_flags & IGB_TX_FLAGS_VLAN_MASK); |
3373 | |||
3103 | info |= (skb_network_offset(skb) << E1000_ADVTXD_MACLEN_SHIFT); | 3374 | info |= (skb_network_offset(skb) << E1000_ADVTXD_MACLEN_SHIFT); |
3104 | if (skb->ip_summed == CHECKSUM_PARTIAL) | 3375 | if (skb->ip_summed == CHECKSUM_PARTIAL) |
3105 | info |= skb_network_header_len(skb); | 3376 | info |= skb_network_header_len(skb); |
@@ -3137,7 +3408,7 @@ static inline bool igb_tx_csum_adv(struct igb_adapter *adapter, | |||
3137 | break; | 3408 | break; |
3138 | default: | 3409 | default: |
3139 | if (unlikely(net_ratelimit())) | 3410 | if (unlikely(net_ratelimit())) |
3140 | dev_warn(&adapter->pdev->dev, | 3411 | dev_warn(&pdev->dev, |
3141 | "partial checksum but proto=%x!\n", | 3412 | "partial checksum but proto=%x!\n", |
3142 | skb->protocol); | 3413 | skb->protocol); |
3143 | break; | 3414 | break; |
@@ -3146,11 +3417,9 @@ static inline bool igb_tx_csum_adv(struct igb_adapter *adapter, | |||
3146 | 3417 | ||
3147 | context_desc->type_tucmd_mlhl = cpu_to_le32(tu_cmd); | 3418 | context_desc->type_tucmd_mlhl = cpu_to_le32(tu_cmd); |
3148 | context_desc->seqnum_seed = 0; | 3419 | context_desc->seqnum_seed = 0; |
3149 | if (adapter->flags & IGB_FLAG_NEED_CTX_IDX) | 3420 | if (tx_ring->flags & IGB_RING_FLAG_TX_CTX_IDX) |
3150 | context_desc->mss_l4len_idx = | 3421 | context_desc->mss_l4len_idx = |
3151 | cpu_to_le32(tx_ring->queue_index << 4); | 3422 | cpu_to_le32(tx_ring->reg_idx << 4); |
3152 | else | ||
3153 | context_desc->mss_l4len_idx = 0; | ||
3154 | 3423 | ||
3155 | buffer_info->time_stamp = jiffies; | 3424 | buffer_info->time_stamp = jiffies; |
3156 | buffer_info->next_to_watch = i; | 3425 | buffer_info->next_to_watch = i; |
@@ -3169,11 +3438,11 @@ static inline bool igb_tx_csum_adv(struct igb_adapter *adapter, | |||
3169 | #define IGB_MAX_TXD_PWR 16 | 3438 | #define IGB_MAX_TXD_PWR 16 |
3170 | #define IGB_MAX_DATA_PER_TXD (1<<IGB_MAX_TXD_PWR) | 3439 | #define IGB_MAX_DATA_PER_TXD (1<<IGB_MAX_TXD_PWR) |
3171 | 3440 | ||
3172 | static inline int igb_tx_map_adv(struct igb_adapter *adapter, | 3441 | static inline int igb_tx_map_adv(struct igb_ring *tx_ring, struct sk_buff *skb, |
3173 | struct igb_ring *tx_ring, struct sk_buff *skb, | ||
3174 | unsigned int first) | 3442 | unsigned int first) |
3175 | { | 3443 | { |
3176 | struct igb_buffer *buffer_info; | 3444 | struct igb_buffer *buffer_info; |
3445 | struct pci_dev *pdev = tx_ring->pdev; | ||
3177 | unsigned int len = skb_headlen(skb); | 3446 | unsigned int len = skb_headlen(skb); |
3178 | unsigned int count = 0, i; | 3447 | unsigned int count = 0, i; |
3179 | unsigned int f; | 3448 | unsigned int f; |
@@ -3181,8 +3450,8 @@ static inline int igb_tx_map_adv(struct igb_adapter *adapter, | |||
3181 | 3450 | ||
3182 | i = tx_ring->next_to_use; | 3451 | i = tx_ring->next_to_use; |
3183 | 3452 | ||
3184 | if (skb_dma_map(&adapter->pdev->dev, skb, DMA_TO_DEVICE)) { | 3453 | if (skb_dma_map(&pdev->dev, skb, DMA_TO_DEVICE)) { |
3185 | dev_err(&adapter->pdev->dev, "TX DMA map failed\n"); | 3454 | dev_err(&pdev->dev, "TX DMA map failed\n"); |
3186 | return 0; | 3455 | return 0; |
3187 | } | 3456 | } |
3188 | 3457 | ||
@@ -3218,18 +3487,17 @@ static inline int igb_tx_map_adv(struct igb_adapter *adapter, | |||
3218 | tx_ring->buffer_info[i].skb = skb; | 3487 | tx_ring->buffer_info[i].skb = skb; |
3219 | tx_ring->buffer_info[first].next_to_watch = i; | 3488 | tx_ring->buffer_info[first].next_to_watch = i; |
3220 | 3489 | ||
3221 | return count + 1; | 3490 | return ++count; |
3222 | } | 3491 | } |
3223 | 3492 | ||
3224 | static inline void igb_tx_queue_adv(struct igb_adapter *adapter, | 3493 | static inline void igb_tx_queue_adv(struct igb_ring *tx_ring, |
3225 | struct igb_ring *tx_ring, | ||
3226 | int tx_flags, int count, u32 paylen, | 3494 | int tx_flags, int count, u32 paylen, |
3227 | u8 hdr_len) | 3495 | u8 hdr_len) |
3228 | { | 3496 | { |
3229 | union e1000_adv_tx_desc *tx_desc = NULL; | 3497 | union e1000_adv_tx_desc *tx_desc; |
3230 | struct igb_buffer *buffer_info; | 3498 | struct igb_buffer *buffer_info; |
3231 | u32 olinfo_status = 0, cmd_type_len; | 3499 | u32 olinfo_status = 0, cmd_type_len; |
3232 | unsigned int i; | 3500 | unsigned int i = tx_ring->next_to_use; |
3233 | 3501 | ||
3234 | cmd_type_len = (E1000_ADVTXD_DTYP_DATA | E1000_ADVTXD_DCMD_IFCS | | 3502 | cmd_type_len = (E1000_ADVTXD_DTYP_DATA | E1000_ADVTXD_DCMD_IFCS | |
3235 | E1000_ADVTXD_DCMD_DEXT); | 3503 | E1000_ADVTXD_DCMD_DEXT); |
@@ -3254,27 +3522,28 @@ static inline void igb_tx_queue_adv(struct igb_adapter *adapter, | |||
3254 | olinfo_status |= E1000_TXD_POPTS_TXSM << 8; | 3522 | olinfo_status |= E1000_TXD_POPTS_TXSM << 8; |
3255 | } | 3523 | } |
3256 | 3524 | ||
3257 | if ((adapter->flags & IGB_FLAG_NEED_CTX_IDX) && | 3525 | if ((tx_ring->flags & IGB_RING_FLAG_TX_CTX_IDX) && |
3258 | (tx_flags & (IGB_TX_FLAGS_CSUM | IGB_TX_FLAGS_TSO | | 3526 | (tx_flags & (IGB_TX_FLAGS_CSUM | |
3527 | IGB_TX_FLAGS_TSO | | ||
3259 | IGB_TX_FLAGS_VLAN))) | 3528 | IGB_TX_FLAGS_VLAN))) |
3260 | olinfo_status |= tx_ring->queue_index << 4; | 3529 | olinfo_status |= tx_ring->reg_idx << 4; |
3261 | 3530 | ||
3262 | olinfo_status |= ((paylen - hdr_len) << E1000_ADVTXD_PAYLEN_SHIFT); | 3531 | olinfo_status |= ((paylen - hdr_len) << E1000_ADVTXD_PAYLEN_SHIFT); |
3263 | 3532 | ||
3264 | i = tx_ring->next_to_use; | 3533 | do { |
3265 | while (count--) { | ||
3266 | buffer_info = &tx_ring->buffer_info[i]; | 3534 | buffer_info = &tx_ring->buffer_info[i]; |
3267 | tx_desc = E1000_TX_DESC_ADV(*tx_ring, i); | 3535 | tx_desc = E1000_TX_DESC_ADV(*tx_ring, i); |
3268 | tx_desc->read.buffer_addr = cpu_to_le64(buffer_info->dma); | 3536 | tx_desc->read.buffer_addr = cpu_to_le64(buffer_info->dma); |
3269 | tx_desc->read.cmd_type_len = | 3537 | tx_desc->read.cmd_type_len = |
3270 | cpu_to_le32(cmd_type_len | buffer_info->length); | 3538 | cpu_to_le32(cmd_type_len | buffer_info->length); |
3271 | tx_desc->read.olinfo_status = cpu_to_le32(olinfo_status); | 3539 | tx_desc->read.olinfo_status = cpu_to_le32(olinfo_status); |
3540 | count--; | ||
3272 | i++; | 3541 | i++; |
3273 | if (i == tx_ring->count) | 3542 | if (i == tx_ring->count) |
3274 | i = 0; | 3543 | i = 0; |
3275 | } | 3544 | } while (count > 0); |
3276 | 3545 | ||
3277 | tx_desc->read.cmd_type_len |= cpu_to_le32(adapter->txd_cmd); | 3546 | tx_desc->read.cmd_type_len |= cpu_to_le32(IGB_ADVTXD_DCMD); |
3278 | /* Force memory writes to complete before letting h/w | 3547 | /* Force memory writes to complete before letting h/w |
3279 | * know there are new descriptors to fetch. (Only | 3548 | * know there are new descriptors to fetch. (Only |
3280 | * applicable for weak-ordered memory model archs, | 3549 | * applicable for weak-ordered memory model archs, |
@@ -3282,16 +3551,15 @@ static inline void igb_tx_queue_adv(struct igb_adapter *adapter, | |||
3282 | wmb(); | 3551 | wmb(); |
3283 | 3552 | ||
3284 | tx_ring->next_to_use = i; | 3553 | tx_ring->next_to_use = i; |
3285 | writel(i, adapter->hw.hw_addr + tx_ring->tail); | 3554 | writel(i, tx_ring->tail); |
3286 | /* we need this if more than one processor can write to our tail | 3555 | /* we need this if more than one processor can write to our tail |
3287 | * at a time, it syncronizes IO on IA64/Altix systems */ | 3556 | * at a time, it syncronizes IO on IA64/Altix systems */ |
3288 | mmiowb(); | 3557 | mmiowb(); |
3289 | } | 3558 | } |
3290 | 3559 | ||
3291 | static int __igb_maybe_stop_tx(struct net_device *netdev, | 3560 | static int __igb_maybe_stop_tx(struct igb_ring *tx_ring, int size) |
3292 | struct igb_ring *tx_ring, int size) | ||
3293 | { | 3561 | { |
3294 | struct igb_adapter *adapter = netdev_priv(netdev); | 3562 | struct net_device *netdev = tx_ring->netdev; |
3295 | 3563 | ||
3296 | netif_stop_subqueue(netdev, tx_ring->queue_index); | 3564 | netif_stop_subqueue(netdev, tx_ring->queue_index); |
3297 | 3565 | ||
@@ -3307,66 +3575,43 @@ static int __igb_maybe_stop_tx(struct net_device *netdev, | |||
3307 | 3575 | ||
3308 | /* A reprieve! */ | 3576 | /* A reprieve! */ |
3309 | netif_wake_subqueue(netdev, tx_ring->queue_index); | 3577 | netif_wake_subqueue(netdev, tx_ring->queue_index); |
3310 | ++adapter->restart_queue; | 3578 | tx_ring->tx_stats.restart_queue++; |
3311 | return 0; | 3579 | return 0; |
3312 | } | 3580 | } |
3313 | 3581 | ||
3314 | static int igb_maybe_stop_tx(struct net_device *netdev, | 3582 | static int igb_maybe_stop_tx(struct igb_ring *tx_ring, int size) |
3315 | struct igb_ring *tx_ring, int size) | ||
3316 | { | 3583 | { |
3317 | if (igb_desc_unused(tx_ring) >= size) | 3584 | if (igb_desc_unused(tx_ring) >= size) |
3318 | return 0; | 3585 | return 0; |
3319 | return __igb_maybe_stop_tx(netdev, tx_ring, size); | 3586 | return __igb_maybe_stop_tx(tx_ring, size); |
3320 | } | 3587 | } |
3321 | 3588 | ||
3322 | static netdev_tx_t igb_xmit_frame_ring_adv(struct sk_buff *skb, | 3589 | netdev_tx_t igb_xmit_frame_ring_adv(struct sk_buff *skb, |
3323 | struct net_device *netdev, | 3590 | struct igb_ring *tx_ring) |
3324 | struct igb_ring *tx_ring) | ||
3325 | { | 3591 | { |
3326 | struct igb_adapter *adapter = netdev_priv(netdev); | 3592 | struct igb_adapter *adapter = netdev_priv(tx_ring->netdev); |
3327 | unsigned int first; | 3593 | unsigned int first; |
3328 | unsigned int tx_flags = 0; | 3594 | unsigned int tx_flags = 0; |
3329 | u8 hdr_len = 0; | 3595 | u8 hdr_len = 0; |
3330 | int count = 0; | 3596 | int tso = 0, count; |
3331 | int tso = 0; | 3597 | union skb_shared_tx *shtx = skb_tx(skb); |
3332 | union skb_shared_tx *shtx; | ||
3333 | |||
3334 | if (test_bit(__IGB_DOWN, &adapter->state)) { | ||
3335 | dev_kfree_skb_any(skb); | ||
3336 | return NETDEV_TX_OK; | ||
3337 | } | ||
3338 | |||
3339 | if (skb->len <= 0) { | ||
3340 | dev_kfree_skb_any(skb); | ||
3341 | return NETDEV_TX_OK; | ||
3342 | } | ||
3343 | 3598 | ||
3344 | /* need: 1 descriptor per page, | 3599 | /* need: 1 descriptor per page, |
3345 | * + 2 desc gap to keep tail from touching head, | 3600 | * + 2 desc gap to keep tail from touching head, |
3346 | * + 1 desc for skb->data, | 3601 | * + 1 desc for skb->data, |
3347 | * + 1 desc for context descriptor, | 3602 | * + 1 desc for context descriptor, |
3348 | * otherwise try next time */ | 3603 | * otherwise try next time */ |
3349 | if (igb_maybe_stop_tx(netdev, tx_ring, skb_shinfo(skb)->nr_frags + 4)) { | 3604 | if (igb_maybe_stop_tx(tx_ring, skb_shinfo(skb)->nr_frags + 4)) { |
3350 | /* this is a hard error */ | 3605 | /* this is a hard error */ |
3351 | return NETDEV_TX_BUSY; | 3606 | return NETDEV_TX_BUSY; |
3352 | } | 3607 | } |
3353 | 3608 | ||
3354 | /* | ||
3355 | * TODO: check that there currently is no other packet with | ||
3356 | * time stamping in the queue | ||
3357 | * | ||
3358 | * When doing time stamping, keep the connection to the socket | ||
3359 | * a while longer: it is still needed by skb_hwtstamp_tx(), | ||
3360 | * called either in igb_tx_hwtstamp() or by our caller when | ||
3361 | * doing software time stamping. | ||
3362 | */ | ||
3363 | shtx = skb_tx(skb); | ||
3364 | if (unlikely(shtx->hardware)) { | 3609 | if (unlikely(shtx->hardware)) { |
3365 | shtx->in_progress = 1; | 3610 | shtx->in_progress = 1; |
3366 | tx_flags |= IGB_TX_FLAGS_TSTAMP; | 3611 | tx_flags |= IGB_TX_FLAGS_TSTAMP; |
3367 | } | 3612 | } |
3368 | 3613 | ||
3369 | if (adapter->vlgrp && vlan_tx_tag_present(skb)) { | 3614 | if (vlan_tx_tag_present(skb) && adapter->vlgrp) { |
3370 | tx_flags |= IGB_TX_FLAGS_VLAN; | 3615 | tx_flags |= IGB_TX_FLAGS_VLAN; |
3371 | tx_flags |= (vlan_tx_tag_get(skb) << IGB_TX_FLAGS_VLAN_SHIFT); | 3616 | tx_flags |= (vlan_tx_tag_get(skb) << IGB_TX_FLAGS_VLAN_SHIFT); |
3372 | } | 3617 | } |
@@ -3375,37 +3620,38 @@ static netdev_tx_t igb_xmit_frame_ring_adv(struct sk_buff *skb, | |||
3375 | tx_flags |= IGB_TX_FLAGS_IPV4; | 3620 | tx_flags |= IGB_TX_FLAGS_IPV4; |
3376 | 3621 | ||
3377 | first = tx_ring->next_to_use; | 3622 | first = tx_ring->next_to_use; |
3378 | tso = skb_is_gso(skb) ? igb_tso_adv(adapter, tx_ring, skb, tx_flags, | 3623 | if (skb_is_gso(skb)) { |
3379 | &hdr_len) : 0; | 3624 | tso = igb_tso_adv(tx_ring, skb, tx_flags, &hdr_len); |
3380 | 3625 | ||
3381 | if (tso < 0) { | 3626 | if (tso < 0) { |
3382 | dev_kfree_skb_any(skb); | 3627 | dev_kfree_skb_any(skb); |
3383 | return NETDEV_TX_OK; | 3628 | return NETDEV_TX_OK; |
3629 | } | ||
3384 | } | 3630 | } |
3385 | 3631 | ||
3386 | if (tso) | 3632 | if (tso) |
3387 | tx_flags |= IGB_TX_FLAGS_TSO; | 3633 | tx_flags |= IGB_TX_FLAGS_TSO; |
3388 | else if (igb_tx_csum_adv(adapter, tx_ring, skb, tx_flags) && | 3634 | else if (igb_tx_csum_adv(tx_ring, skb, tx_flags) && |
3389 | (skb->ip_summed == CHECKSUM_PARTIAL)) | 3635 | (skb->ip_summed == CHECKSUM_PARTIAL)) |
3390 | tx_flags |= IGB_TX_FLAGS_CSUM; | 3636 | tx_flags |= IGB_TX_FLAGS_CSUM; |
3391 | 3637 | ||
3392 | /* | 3638 | /* |
3393 | * count reflects descriptors mapped, if 0 then mapping error | 3639 | * count reflects descriptors mapped, if 0 or less then mapping error |
3394 | * has occured and we need to rewind the descriptor queue | 3640 | * has occured and we need to rewind the descriptor queue |
3395 | */ | 3641 | */ |
3396 | count = igb_tx_map_adv(adapter, tx_ring, skb, first); | 3642 | count = igb_tx_map_adv(tx_ring, skb, first); |
3397 | 3643 | if (count <= 0) { | |
3398 | if (count) { | ||
3399 | igb_tx_queue_adv(adapter, tx_ring, tx_flags, count, | ||
3400 | skb->len, hdr_len); | ||
3401 | /* Make sure there is space in the ring for the next send. */ | ||
3402 | igb_maybe_stop_tx(netdev, tx_ring, MAX_SKB_FRAGS + 4); | ||
3403 | } else { | ||
3404 | dev_kfree_skb_any(skb); | 3644 | dev_kfree_skb_any(skb); |
3405 | tx_ring->buffer_info[first].time_stamp = 0; | 3645 | tx_ring->buffer_info[first].time_stamp = 0; |
3406 | tx_ring->next_to_use = first; | 3646 | tx_ring->next_to_use = first; |
3647 | return NETDEV_TX_OK; | ||
3407 | } | 3648 | } |
3408 | 3649 | ||
3650 | igb_tx_queue_adv(tx_ring, tx_flags, count, skb->len, hdr_len); | ||
3651 | |||
3652 | /* Make sure there is space in the ring for the next send. */ | ||
3653 | igb_maybe_stop_tx(tx_ring, MAX_SKB_FRAGS + 4); | ||
3654 | |||
3409 | return NETDEV_TX_OK; | 3655 | return NETDEV_TX_OK; |
3410 | } | 3656 | } |
3411 | 3657 | ||
@@ -3414,8 +3660,18 @@ static netdev_tx_t igb_xmit_frame_adv(struct sk_buff *skb, | |||
3414 | { | 3660 | { |
3415 | struct igb_adapter *adapter = netdev_priv(netdev); | 3661 | struct igb_adapter *adapter = netdev_priv(netdev); |
3416 | struct igb_ring *tx_ring; | 3662 | struct igb_ring *tx_ring; |
3417 | |||
3418 | int r_idx = 0; | 3663 | int r_idx = 0; |
3664 | |||
3665 | if (test_bit(__IGB_DOWN, &adapter->state)) { | ||
3666 | dev_kfree_skb_any(skb); | ||
3667 | return NETDEV_TX_OK; | ||
3668 | } | ||
3669 | |||
3670 | if (skb->len <= 0) { | ||
3671 | dev_kfree_skb_any(skb); | ||
3672 | return NETDEV_TX_OK; | ||
3673 | } | ||
3674 | |||
3419 | r_idx = skb->queue_mapping & (IGB_ABS_MAX_TX_QUEUES - 1); | 3675 | r_idx = skb->queue_mapping & (IGB_ABS_MAX_TX_QUEUES - 1); |
3420 | tx_ring = adapter->multi_tx_table[r_idx]; | 3676 | tx_ring = adapter->multi_tx_table[r_idx]; |
3421 | 3677 | ||
@@ -3423,7 +3679,7 @@ static netdev_tx_t igb_xmit_frame_adv(struct sk_buff *skb, | |||
3423 | * to a flow. Right now, performance is impacted slightly negatively | 3679 | * to a flow. Right now, performance is impacted slightly negatively |
3424 | * if using multiple tx queues. If the stack breaks away from a | 3680 | * if using multiple tx queues. If the stack breaks away from a |
3425 | * single qdisc implementation, we can look at this again. */ | 3681 | * single qdisc implementation, we can look at this again. */ |
3426 | return igb_xmit_frame_ring_adv(skb, netdev, tx_ring); | 3682 | return igb_xmit_frame_ring_adv(skb, tx_ring); |
3427 | } | 3683 | } |
3428 | 3684 | ||
3429 | /** | 3685 | /** |
@@ -3437,6 +3693,7 @@ static void igb_tx_timeout(struct net_device *netdev) | |||
3437 | 3693 | ||
3438 | /* Do the reset outside of interrupt context */ | 3694 | /* Do the reset outside of interrupt context */ |
3439 | adapter->tx_timeout_count++; | 3695 | adapter->tx_timeout_count++; |
3696 | |||
3440 | schedule_work(&adapter->reset_task); | 3697 | schedule_work(&adapter->reset_task); |
3441 | wr32(E1000_EICS, | 3698 | wr32(E1000_EICS, |
3442 | (adapter->eims_enable_mask & ~adapter->eims_other)); | 3699 | (adapter->eims_enable_mask & ~adapter->eims_other)); |
@@ -3459,10 +3716,8 @@ static void igb_reset_task(struct work_struct *work) | |||
3459 | **/ | 3716 | **/ |
3460 | static struct net_device_stats *igb_get_stats(struct net_device *netdev) | 3717 | static struct net_device_stats *igb_get_stats(struct net_device *netdev) |
3461 | { | 3718 | { |
3462 | struct igb_adapter *adapter = netdev_priv(netdev); | ||
3463 | |||
3464 | /* only return the current stats */ | 3719 | /* only return the current stats */ |
3465 | return &adapter->net_stats; | 3720 | return &netdev->stats; |
3466 | } | 3721 | } |
3467 | 3722 | ||
3468 | /** | 3723 | /** |
@@ -3475,16 +3730,17 @@ static struct net_device_stats *igb_get_stats(struct net_device *netdev) | |||
3475 | static int igb_change_mtu(struct net_device *netdev, int new_mtu) | 3730 | static int igb_change_mtu(struct net_device *netdev, int new_mtu) |
3476 | { | 3731 | { |
3477 | struct igb_adapter *adapter = netdev_priv(netdev); | 3732 | struct igb_adapter *adapter = netdev_priv(netdev); |
3733 | struct pci_dev *pdev = adapter->pdev; | ||
3478 | int max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN; | 3734 | int max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN; |
3735 | u32 rx_buffer_len, i; | ||
3479 | 3736 | ||
3480 | if ((max_frame < ETH_ZLEN + ETH_FCS_LEN) || | 3737 | if ((new_mtu < 68) || (max_frame > MAX_JUMBO_FRAME_SIZE)) { |
3481 | (max_frame > MAX_JUMBO_FRAME_SIZE)) { | 3738 | dev_err(&pdev->dev, "Invalid MTU setting\n"); |
3482 | dev_err(&adapter->pdev->dev, "Invalid MTU setting\n"); | ||
3483 | return -EINVAL; | 3739 | return -EINVAL; |
3484 | } | 3740 | } |
3485 | 3741 | ||
3486 | if (max_frame > MAX_STD_JUMBO_FRAME_SIZE) { | 3742 | if (max_frame > MAX_STD_JUMBO_FRAME_SIZE) { |
3487 | dev_err(&adapter->pdev->dev, "MTU > 9216 not supported.\n"); | 3743 | dev_err(&pdev->dev, "MTU > 9216 not supported.\n"); |
3488 | return -EINVAL; | 3744 | return -EINVAL; |
3489 | } | 3745 | } |
3490 | 3746 | ||
@@ -3493,8 +3749,6 @@ static int igb_change_mtu(struct net_device *netdev, int new_mtu) | |||
3493 | 3749 | ||
3494 | /* igb_down has a dependency on max_frame_size */ | 3750 | /* igb_down has a dependency on max_frame_size */ |
3495 | adapter->max_frame_size = max_frame; | 3751 | adapter->max_frame_size = max_frame; |
3496 | if (netif_running(netdev)) | ||
3497 | igb_down(adapter); | ||
3498 | 3752 | ||
3499 | /* NOTE: netdev_alloc_skb reserves 16 bytes, and typically NET_IP_ALIGN | 3753 | /* NOTE: netdev_alloc_skb reserves 16 bytes, and typically NET_IP_ALIGN |
3500 | * means we reserve 2 more, this pushes us to allocate from the next | 3754 | * means we reserve 2 more, this pushes us to allocate from the next |
@@ -3502,35 +3756,23 @@ static int igb_change_mtu(struct net_device *netdev, int new_mtu) | |||
3502 | * i.e. RXBUFFER_2048 --> size-4096 slab | 3756 | * i.e. RXBUFFER_2048 --> size-4096 slab |
3503 | */ | 3757 | */ |
3504 | 3758 | ||
3505 | if (max_frame <= IGB_RXBUFFER_256) | 3759 | if (max_frame <= IGB_RXBUFFER_1024) |
3506 | adapter->rx_buffer_len = IGB_RXBUFFER_256; | 3760 | rx_buffer_len = IGB_RXBUFFER_1024; |
3507 | else if (max_frame <= IGB_RXBUFFER_512) | 3761 | else if (max_frame <= MAXIMUM_ETHERNET_VLAN_SIZE) |
3508 | adapter->rx_buffer_len = IGB_RXBUFFER_512; | 3762 | rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE; |
3509 | else if (max_frame <= IGB_RXBUFFER_1024) | ||
3510 | adapter->rx_buffer_len = IGB_RXBUFFER_1024; | ||
3511 | else if (max_frame <= IGB_RXBUFFER_2048) | ||
3512 | adapter->rx_buffer_len = IGB_RXBUFFER_2048; | ||
3513 | else | 3763 | else |
3514 | #if (PAGE_SIZE / 2) > IGB_RXBUFFER_16384 | 3764 | rx_buffer_len = IGB_RXBUFFER_128; |
3515 | adapter->rx_buffer_len = IGB_RXBUFFER_16384; | ||
3516 | #else | ||
3517 | adapter->rx_buffer_len = PAGE_SIZE / 2; | ||
3518 | #endif | ||
3519 | |||
3520 | /* if sr-iov is enabled we need to force buffer size to 1K or larger */ | ||
3521 | if (adapter->vfs_allocated_count && | ||
3522 | (adapter->rx_buffer_len < IGB_RXBUFFER_1024)) | ||
3523 | adapter->rx_buffer_len = IGB_RXBUFFER_1024; | ||
3524 | 3765 | ||
3525 | /* adjust allocation if LPE protects us, and we aren't using SBP */ | 3766 | if (netif_running(netdev)) |
3526 | if ((max_frame == ETH_FRAME_LEN + ETH_FCS_LEN) || | 3767 | igb_down(adapter); |
3527 | (max_frame == MAXIMUM_ETHERNET_VLAN_SIZE)) | ||
3528 | adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE; | ||
3529 | 3768 | ||
3530 | dev_info(&adapter->pdev->dev, "changing MTU from %d to %d\n", | 3769 | dev_info(&pdev->dev, "changing MTU from %d to %d\n", |
3531 | netdev->mtu, new_mtu); | 3770 | netdev->mtu, new_mtu); |
3532 | netdev->mtu = new_mtu; | 3771 | netdev->mtu = new_mtu; |
3533 | 3772 | ||
3773 | for (i = 0; i < adapter->num_rx_queues; i++) | ||
3774 | adapter->rx_ring[i].rx_buffer_len = rx_buffer_len; | ||
3775 | |||
3534 | if (netif_running(netdev)) | 3776 | if (netif_running(netdev)) |
3535 | igb_up(adapter); | 3777 | igb_up(adapter); |
3536 | else | 3778 | else |
@@ -3548,9 +3790,13 @@ static int igb_change_mtu(struct net_device *netdev, int new_mtu) | |||
3548 | 3790 | ||
3549 | void igb_update_stats(struct igb_adapter *adapter) | 3791 | void igb_update_stats(struct igb_adapter *adapter) |
3550 | { | 3792 | { |
3793 | struct net_device_stats *net_stats = igb_get_stats(adapter->netdev); | ||
3551 | struct e1000_hw *hw = &adapter->hw; | 3794 | struct e1000_hw *hw = &adapter->hw; |
3552 | struct pci_dev *pdev = adapter->pdev; | 3795 | struct pci_dev *pdev = adapter->pdev; |
3796 | u32 rnbc; | ||
3553 | u16 phy_tmp; | 3797 | u16 phy_tmp; |
3798 | int i; | ||
3799 | u64 bytes, packets; | ||
3554 | 3800 | ||
3555 | #define PHY_IDLE_ERROR_COUNT_MASK 0x00FF | 3801 | #define PHY_IDLE_ERROR_COUNT_MASK 0x00FF |
3556 | 3802 | ||
@@ -3563,6 +3809,29 @@ void igb_update_stats(struct igb_adapter *adapter) | |||
3563 | if (pci_channel_offline(pdev)) | 3809 | if (pci_channel_offline(pdev)) |
3564 | return; | 3810 | return; |
3565 | 3811 | ||
3812 | bytes = 0; | ||
3813 | packets = 0; | ||
3814 | for (i = 0; i < adapter->num_rx_queues; i++) { | ||
3815 | u32 rqdpc_tmp = rd32(E1000_RQDPC(i)) & 0x0FFF; | ||
3816 | adapter->rx_ring[i].rx_stats.drops += rqdpc_tmp; | ||
3817 | net_stats->rx_fifo_errors += rqdpc_tmp; | ||
3818 | bytes += adapter->rx_ring[i].rx_stats.bytes; | ||
3819 | packets += adapter->rx_ring[i].rx_stats.packets; | ||
3820 | } | ||
3821 | |||
3822 | net_stats->rx_bytes = bytes; | ||
3823 | net_stats->rx_packets = packets; | ||
3824 | |||
3825 | bytes = 0; | ||
3826 | packets = 0; | ||
3827 | for (i = 0; i < adapter->num_tx_queues; i++) { | ||
3828 | bytes += adapter->tx_ring[i].tx_stats.bytes; | ||
3829 | packets += adapter->tx_ring[i].tx_stats.packets; | ||
3830 | } | ||
3831 | net_stats->tx_bytes = bytes; | ||
3832 | net_stats->tx_packets = packets; | ||
3833 | |||
3834 | /* read stats registers */ | ||
3566 | adapter->stats.crcerrs += rd32(E1000_CRCERRS); | 3835 | adapter->stats.crcerrs += rd32(E1000_CRCERRS); |
3567 | adapter->stats.gprc += rd32(E1000_GPRC); | 3836 | adapter->stats.gprc += rd32(E1000_GPRC); |
3568 | adapter->stats.gorc += rd32(E1000_GORCL); | 3837 | adapter->stats.gorc += rd32(E1000_GORCL); |
@@ -3595,7 +3864,9 @@ void igb_update_stats(struct igb_adapter *adapter) | |||
3595 | adapter->stats.gptc += rd32(E1000_GPTC); | 3864 | adapter->stats.gptc += rd32(E1000_GPTC); |
3596 | adapter->stats.gotc += rd32(E1000_GOTCL); | 3865 | adapter->stats.gotc += rd32(E1000_GOTCL); |
3597 | rd32(E1000_GOTCH); /* clear GOTCL */ | 3866 | rd32(E1000_GOTCH); /* clear GOTCL */ |
3598 | adapter->stats.rnbc += rd32(E1000_RNBC); | 3867 | rnbc = rd32(E1000_RNBC); |
3868 | adapter->stats.rnbc += rnbc; | ||
3869 | net_stats->rx_fifo_errors += rnbc; | ||
3599 | adapter->stats.ruc += rd32(E1000_RUC); | 3870 | adapter->stats.ruc += rd32(E1000_RUC); |
3600 | adapter->stats.rfc += rd32(E1000_RFC); | 3871 | adapter->stats.rfc += rd32(E1000_RFC); |
3601 | adapter->stats.rjc += rd32(E1000_RJC); | 3872 | adapter->stats.rjc += rd32(E1000_RJC); |
@@ -3614,7 +3885,6 @@ void igb_update_stats(struct igb_adapter *adapter) | |||
3614 | adapter->stats.bptc += rd32(E1000_BPTC); | 3885 | adapter->stats.bptc += rd32(E1000_BPTC); |
3615 | 3886 | ||
3616 | /* used for adaptive IFS */ | 3887 | /* used for adaptive IFS */ |
3617 | |||
3618 | hw->mac.tx_packet_delta = rd32(E1000_TPT); | 3888 | hw->mac.tx_packet_delta = rd32(E1000_TPT); |
3619 | adapter->stats.tpt += hw->mac.tx_packet_delta; | 3889 | adapter->stats.tpt += hw->mac.tx_packet_delta; |
3620 | hw->mac.collision_delta = rd32(E1000_COLC); | 3890 | hw->mac.collision_delta = rd32(E1000_COLC); |
@@ -3637,56 +3907,29 @@ void igb_update_stats(struct igb_adapter *adapter) | |||
3637 | adapter->stats.icrxdmtc += rd32(E1000_ICRXDMTC); | 3907 | adapter->stats.icrxdmtc += rd32(E1000_ICRXDMTC); |
3638 | 3908 | ||
3639 | /* Fill out the OS statistics structure */ | 3909 | /* Fill out the OS statistics structure */ |
3640 | adapter->net_stats.multicast = adapter->stats.mprc; | 3910 | net_stats->multicast = adapter->stats.mprc; |
3641 | adapter->net_stats.collisions = adapter->stats.colc; | 3911 | net_stats->collisions = adapter->stats.colc; |
3642 | 3912 | ||
3643 | /* Rx Errors */ | 3913 | /* Rx Errors */ |
3644 | 3914 | ||
3645 | if (hw->mac.type != e1000_82575) { | ||
3646 | u32 rqdpc_tmp; | ||
3647 | u64 rqdpc_total = 0; | ||
3648 | int i; | ||
3649 | /* Read out drops stats per RX queue. Notice RQDPC (Receive | ||
3650 | * Queue Drop Packet Count) stats only gets incremented, if | ||
3651 | * the DROP_EN but it set (in the SRRCTL register for that | ||
3652 | * queue). If DROP_EN bit is NOT set, then the some what | ||
3653 | * equivalent count is stored in RNBC (not per queue basis). | ||
3654 | * Also note the drop count is due to lack of available | ||
3655 | * descriptors. | ||
3656 | */ | ||
3657 | for (i = 0; i < adapter->num_rx_queues; i++) { | ||
3658 | rqdpc_tmp = rd32(E1000_RQDPC(i)) & 0xFFF; | ||
3659 | adapter->rx_ring[i].rx_stats.drops += rqdpc_tmp; | ||
3660 | rqdpc_total += adapter->rx_ring[i].rx_stats.drops; | ||
3661 | } | ||
3662 | adapter->net_stats.rx_fifo_errors = rqdpc_total; | ||
3663 | } | ||
3664 | |||
3665 | /* Note RNBC (Receive No Buffers Count) is an not an exact | ||
3666 | * drop count as the hardware FIFO might save the day. Thats | ||
3667 | * one of the reason for saving it in rx_fifo_errors, as its | ||
3668 | * potentially not a true drop. | ||
3669 | */ | ||
3670 | adapter->net_stats.rx_fifo_errors += adapter->stats.rnbc; | ||
3671 | |||
3672 | /* RLEC on some newer hardware can be incorrect so build | 3915 | /* RLEC on some newer hardware can be incorrect so build |
3673 | * our own version based on RUC and ROC */ | 3916 | * our own version based on RUC and ROC */ |
3674 | adapter->net_stats.rx_errors = adapter->stats.rxerrc + | 3917 | net_stats->rx_errors = adapter->stats.rxerrc + |
3675 | adapter->stats.crcerrs + adapter->stats.algnerrc + | 3918 | adapter->stats.crcerrs + adapter->stats.algnerrc + |
3676 | adapter->stats.ruc + adapter->stats.roc + | 3919 | adapter->stats.ruc + adapter->stats.roc + |
3677 | adapter->stats.cexterr; | 3920 | adapter->stats.cexterr; |
3678 | adapter->net_stats.rx_length_errors = adapter->stats.ruc + | 3921 | net_stats->rx_length_errors = adapter->stats.ruc + |
3679 | adapter->stats.roc; | 3922 | adapter->stats.roc; |
3680 | adapter->net_stats.rx_crc_errors = adapter->stats.crcerrs; | 3923 | net_stats->rx_crc_errors = adapter->stats.crcerrs; |
3681 | adapter->net_stats.rx_frame_errors = adapter->stats.algnerrc; | 3924 | net_stats->rx_frame_errors = adapter->stats.algnerrc; |
3682 | adapter->net_stats.rx_missed_errors = adapter->stats.mpc; | 3925 | net_stats->rx_missed_errors = adapter->stats.mpc; |
3683 | 3926 | ||
3684 | /* Tx Errors */ | 3927 | /* Tx Errors */ |
3685 | adapter->net_stats.tx_errors = adapter->stats.ecol + | 3928 | net_stats->tx_errors = adapter->stats.ecol + |
3686 | adapter->stats.latecol; | 3929 | adapter->stats.latecol; |
3687 | adapter->net_stats.tx_aborted_errors = adapter->stats.ecol; | 3930 | net_stats->tx_aborted_errors = adapter->stats.ecol; |
3688 | adapter->net_stats.tx_window_errors = adapter->stats.latecol; | 3931 | net_stats->tx_window_errors = adapter->stats.latecol; |
3689 | adapter->net_stats.tx_carrier_errors = adapter->stats.tncrs; | 3932 | net_stats->tx_carrier_errors = adapter->stats.tncrs; |
3690 | 3933 | ||
3691 | /* Tx Dropped needs to be maintained elsewhere */ | 3934 | /* Tx Dropped needs to be maintained elsewhere */ |
3692 | 3935 | ||
@@ -3707,14 +3950,12 @@ void igb_update_stats(struct igb_adapter *adapter) | |||
3707 | 3950 | ||
3708 | static irqreturn_t igb_msix_other(int irq, void *data) | 3951 | static irqreturn_t igb_msix_other(int irq, void *data) |
3709 | { | 3952 | { |
3710 | struct net_device *netdev = data; | 3953 | struct igb_adapter *adapter = data; |
3711 | struct igb_adapter *adapter = netdev_priv(netdev); | ||
3712 | struct e1000_hw *hw = &adapter->hw; | 3954 | struct e1000_hw *hw = &adapter->hw; |
3713 | u32 icr = rd32(E1000_ICR); | 3955 | u32 icr = rd32(E1000_ICR); |
3714 | |||
3715 | /* reading ICR causes bit 31 of EICR to be cleared */ | 3956 | /* reading ICR causes bit 31 of EICR to be cleared */ |
3716 | 3957 | ||
3717 | if(icr & E1000_ICR_DOUTSYNC) { | 3958 | if (icr & E1000_ICR_DOUTSYNC) { |
3718 | /* HW is reporting DMA is out of sync */ | 3959 | /* HW is reporting DMA is out of sync */ |
3719 | adapter->stats.doosync++; | 3960 | adapter->stats.doosync++; |
3720 | } | 3961 | } |
@@ -3730,125 +3971,90 @@ static irqreturn_t igb_msix_other(int irq, void *data) | |||
3730 | mod_timer(&adapter->watchdog_timer, jiffies + 1); | 3971 | mod_timer(&adapter->watchdog_timer, jiffies + 1); |
3731 | } | 3972 | } |
3732 | 3973 | ||
3733 | wr32(E1000_IMS, E1000_IMS_LSC | E1000_IMS_DOUTSYNC | E1000_IMS_VMMB); | 3974 | if (adapter->vfs_allocated_count) |
3975 | wr32(E1000_IMS, E1000_IMS_LSC | | ||
3976 | E1000_IMS_VMMB | | ||
3977 | E1000_IMS_DOUTSYNC); | ||
3978 | else | ||
3979 | wr32(E1000_IMS, E1000_IMS_LSC | E1000_IMS_DOUTSYNC); | ||
3734 | wr32(E1000_EIMS, adapter->eims_other); | 3980 | wr32(E1000_EIMS, adapter->eims_other); |
3735 | 3981 | ||
3736 | return IRQ_HANDLED; | 3982 | return IRQ_HANDLED; |
3737 | } | 3983 | } |
3738 | 3984 | ||
3739 | static irqreturn_t igb_msix_tx(int irq, void *data) | 3985 | static void igb_write_itr(struct igb_q_vector *q_vector) |
3740 | { | 3986 | { |
3741 | struct igb_ring *tx_ring = data; | 3987 | u32 itr_val = q_vector->itr_val & 0x7FFC; |
3742 | struct igb_adapter *adapter = tx_ring->adapter; | ||
3743 | struct e1000_hw *hw = &adapter->hw; | ||
3744 | 3988 | ||
3745 | #ifdef CONFIG_IGB_DCA | 3989 | if (!q_vector->set_itr) |
3746 | if (adapter->flags & IGB_FLAG_DCA_ENABLED) | 3990 | return; |
3747 | igb_update_tx_dca(tx_ring); | ||
3748 | #endif | ||
3749 | 3991 | ||
3750 | tx_ring->total_bytes = 0; | 3992 | if (!itr_val) |
3751 | tx_ring->total_packets = 0; | 3993 | itr_val = 0x4; |
3752 | 3994 | ||
3753 | /* auto mask will automatically reenable the interrupt when we write | 3995 | if (q_vector->itr_shift) |
3754 | * EICS */ | 3996 | itr_val |= itr_val << q_vector->itr_shift; |
3755 | if (!igb_clean_tx_irq(tx_ring)) | ||
3756 | /* Ring was not completely cleaned, so fire another interrupt */ | ||
3757 | wr32(E1000_EICS, tx_ring->eims_value); | ||
3758 | else | 3997 | else |
3759 | wr32(E1000_EIMS, tx_ring->eims_value); | 3998 | itr_val |= 0x8000000; |
3760 | 3999 | ||
3761 | return IRQ_HANDLED; | 4000 | writel(itr_val, q_vector->itr_register); |
4001 | q_vector->set_itr = 0; | ||
3762 | } | 4002 | } |
3763 | 4003 | ||
3764 | static void igb_write_itr(struct igb_ring *ring) | 4004 | static irqreturn_t igb_msix_ring(int irq, void *data) |
3765 | { | 4005 | { |
3766 | struct e1000_hw *hw = &ring->adapter->hw; | 4006 | struct igb_q_vector *q_vector = data; |
3767 | if ((ring->adapter->itr_setting & 3) && ring->set_itr) { | ||
3768 | switch (hw->mac.type) { | ||
3769 | case e1000_82576: | ||
3770 | wr32(ring->itr_register, ring->itr_val | | ||
3771 | 0x80000000); | ||
3772 | break; | ||
3773 | default: | ||
3774 | wr32(ring->itr_register, ring->itr_val | | ||
3775 | (ring->itr_val << 16)); | ||
3776 | break; | ||
3777 | } | ||
3778 | ring->set_itr = 0; | ||
3779 | } | ||
3780 | } | ||
3781 | 4007 | ||
3782 | static irqreturn_t igb_msix_rx(int irq, void *data) | 4008 | /* Write the ITR value calculated from the previous interrupt. */ |
3783 | { | 4009 | igb_write_itr(q_vector); |
3784 | struct igb_ring *rx_ring = data; | ||
3785 | 4010 | ||
3786 | /* Write the ITR value calculated at the end of the | 4011 | napi_schedule(&q_vector->napi); |
3787 | * previous interrupt. | ||
3788 | */ | ||
3789 | |||
3790 | igb_write_itr(rx_ring); | ||
3791 | 4012 | ||
3792 | if (napi_schedule_prep(&rx_ring->napi)) | 4013 | return IRQ_HANDLED; |
3793 | __napi_schedule(&rx_ring->napi); | ||
3794 | |||
3795 | #ifdef CONFIG_IGB_DCA | ||
3796 | if (rx_ring->adapter->flags & IGB_FLAG_DCA_ENABLED) | ||
3797 | igb_update_rx_dca(rx_ring); | ||
3798 | #endif | ||
3799 | return IRQ_HANDLED; | ||
3800 | } | 4014 | } |
3801 | 4015 | ||
3802 | #ifdef CONFIG_IGB_DCA | 4016 | #ifdef CONFIG_IGB_DCA |
3803 | static void igb_update_rx_dca(struct igb_ring *rx_ring) | 4017 | static void igb_update_dca(struct igb_q_vector *q_vector) |
3804 | { | 4018 | { |
3805 | u32 dca_rxctrl; | 4019 | struct igb_adapter *adapter = q_vector->adapter; |
3806 | struct igb_adapter *adapter = rx_ring->adapter; | ||
3807 | struct e1000_hw *hw = &adapter->hw; | 4020 | struct e1000_hw *hw = &adapter->hw; |
3808 | int cpu = get_cpu(); | 4021 | int cpu = get_cpu(); |
3809 | int q = rx_ring->reg_idx; | ||
3810 | 4022 | ||
3811 | if (rx_ring->cpu != cpu) { | 4023 | if (q_vector->cpu == cpu) |
3812 | dca_rxctrl = rd32(E1000_DCA_RXCTRL(q)); | 4024 | goto out_no_update; |
3813 | if (hw->mac.type == e1000_82576) { | 4025 | |
3814 | dca_rxctrl &= ~E1000_DCA_RXCTRL_CPUID_MASK_82576; | 4026 | if (q_vector->tx_ring) { |
3815 | dca_rxctrl |= dca3_get_tag(&adapter->pdev->dev, cpu) << | 4027 | int q = q_vector->tx_ring->reg_idx; |
3816 | E1000_DCA_RXCTRL_CPUID_SHIFT; | 4028 | u32 dca_txctrl = rd32(E1000_DCA_TXCTRL(q)); |
4029 | if (hw->mac.type == e1000_82575) { | ||
4030 | dca_txctrl &= ~E1000_DCA_TXCTRL_CPUID_MASK; | ||
4031 | dca_txctrl |= dca3_get_tag(&adapter->pdev->dev, cpu); | ||
3817 | } else { | 4032 | } else { |
4033 | dca_txctrl &= ~E1000_DCA_TXCTRL_CPUID_MASK_82576; | ||
4034 | dca_txctrl |= dca3_get_tag(&adapter->pdev->dev, cpu) << | ||
4035 | E1000_DCA_TXCTRL_CPUID_SHIFT; | ||
4036 | } | ||
4037 | dca_txctrl |= E1000_DCA_TXCTRL_DESC_DCA_EN; | ||
4038 | wr32(E1000_DCA_TXCTRL(q), dca_txctrl); | ||
4039 | } | ||
4040 | if (q_vector->rx_ring) { | ||
4041 | int q = q_vector->rx_ring->reg_idx; | ||
4042 | u32 dca_rxctrl = rd32(E1000_DCA_RXCTRL(q)); | ||
4043 | if (hw->mac.type == e1000_82575) { | ||
3818 | dca_rxctrl &= ~E1000_DCA_RXCTRL_CPUID_MASK; | 4044 | dca_rxctrl &= ~E1000_DCA_RXCTRL_CPUID_MASK; |
3819 | dca_rxctrl |= dca3_get_tag(&adapter->pdev->dev, cpu); | 4045 | dca_rxctrl |= dca3_get_tag(&adapter->pdev->dev, cpu); |
4046 | } else { | ||
4047 | dca_rxctrl &= ~E1000_DCA_RXCTRL_CPUID_MASK_82576; | ||
4048 | dca_rxctrl |= dca3_get_tag(&adapter->pdev->dev, cpu) << | ||
4049 | E1000_DCA_RXCTRL_CPUID_SHIFT; | ||
3820 | } | 4050 | } |
3821 | dca_rxctrl |= E1000_DCA_RXCTRL_DESC_DCA_EN; | 4051 | dca_rxctrl |= E1000_DCA_RXCTRL_DESC_DCA_EN; |
3822 | dca_rxctrl |= E1000_DCA_RXCTRL_HEAD_DCA_EN; | 4052 | dca_rxctrl |= E1000_DCA_RXCTRL_HEAD_DCA_EN; |
3823 | dca_rxctrl |= E1000_DCA_RXCTRL_DATA_DCA_EN; | 4053 | dca_rxctrl |= E1000_DCA_RXCTRL_DATA_DCA_EN; |
3824 | wr32(E1000_DCA_RXCTRL(q), dca_rxctrl); | 4054 | wr32(E1000_DCA_RXCTRL(q), dca_rxctrl); |
3825 | rx_ring->cpu = cpu; | ||
3826 | } | ||
3827 | put_cpu(); | ||
3828 | } | ||
3829 | |||
3830 | static void igb_update_tx_dca(struct igb_ring *tx_ring) | ||
3831 | { | ||
3832 | u32 dca_txctrl; | ||
3833 | struct igb_adapter *adapter = tx_ring->adapter; | ||
3834 | struct e1000_hw *hw = &adapter->hw; | ||
3835 | int cpu = get_cpu(); | ||
3836 | int q = tx_ring->reg_idx; | ||
3837 | |||
3838 | if (tx_ring->cpu != cpu) { | ||
3839 | dca_txctrl = rd32(E1000_DCA_TXCTRL(q)); | ||
3840 | if (hw->mac.type == e1000_82576) { | ||
3841 | dca_txctrl &= ~E1000_DCA_TXCTRL_CPUID_MASK_82576; | ||
3842 | dca_txctrl |= dca3_get_tag(&adapter->pdev->dev, cpu) << | ||
3843 | E1000_DCA_TXCTRL_CPUID_SHIFT; | ||
3844 | } else { | ||
3845 | dca_txctrl &= ~E1000_DCA_TXCTRL_CPUID_MASK; | ||
3846 | dca_txctrl |= dca3_get_tag(&adapter->pdev->dev, cpu); | ||
3847 | } | ||
3848 | dca_txctrl |= E1000_DCA_TXCTRL_DESC_DCA_EN; | ||
3849 | wr32(E1000_DCA_TXCTRL(q), dca_txctrl); | ||
3850 | tx_ring->cpu = cpu; | ||
3851 | } | 4055 | } |
4056 | q_vector->cpu = cpu; | ||
4057 | out_no_update: | ||
3852 | put_cpu(); | 4058 | put_cpu(); |
3853 | } | 4059 | } |
3854 | 4060 | ||
@@ -3863,13 +4069,10 @@ static void igb_setup_dca(struct igb_adapter *adapter) | |||
3863 | /* Always use CB2 mode, difference is masked in the CB driver. */ | 4069 | /* Always use CB2 mode, difference is masked in the CB driver. */ |
3864 | wr32(E1000_DCA_CTRL, E1000_DCA_CTRL_DCA_MODE_CB2); | 4070 | wr32(E1000_DCA_CTRL, E1000_DCA_CTRL_DCA_MODE_CB2); |
3865 | 4071 | ||
3866 | for (i = 0; i < adapter->num_tx_queues; i++) { | 4072 | for (i = 0; i < adapter->num_q_vectors; i++) { |
3867 | adapter->tx_ring[i].cpu = -1; | 4073 | struct igb_q_vector *q_vector = adapter->q_vector[i]; |
3868 | igb_update_tx_dca(&adapter->tx_ring[i]); | 4074 | q_vector->cpu = -1; |
3869 | } | 4075 | igb_update_dca(q_vector); |
3870 | for (i = 0; i < adapter->num_rx_queues; i++) { | ||
3871 | adapter->rx_ring[i].cpu = -1; | ||
3872 | igb_update_rx_dca(&adapter->rx_ring[i]); | ||
3873 | } | 4076 | } |
3874 | } | 4077 | } |
3875 | 4078 | ||
@@ -3877,6 +4080,7 @@ static int __igb_notify_dca(struct device *dev, void *data) | |||
3877 | { | 4080 | { |
3878 | struct net_device *netdev = dev_get_drvdata(dev); | 4081 | struct net_device *netdev = dev_get_drvdata(dev); |
3879 | struct igb_adapter *adapter = netdev_priv(netdev); | 4082 | struct igb_adapter *adapter = netdev_priv(netdev); |
4083 | struct pci_dev *pdev = adapter->pdev; | ||
3880 | struct e1000_hw *hw = &adapter->hw; | 4084 | struct e1000_hw *hw = &adapter->hw; |
3881 | unsigned long event = *(unsigned long *)data; | 4085 | unsigned long event = *(unsigned long *)data; |
3882 | 4086 | ||
@@ -3885,12 +4089,9 @@ static int __igb_notify_dca(struct device *dev, void *data) | |||
3885 | /* if already enabled, don't do it again */ | 4089 | /* if already enabled, don't do it again */ |
3886 | if (adapter->flags & IGB_FLAG_DCA_ENABLED) | 4090 | if (adapter->flags & IGB_FLAG_DCA_ENABLED) |
3887 | break; | 4091 | break; |
3888 | /* Always use CB2 mode, difference is masked | ||
3889 | * in the CB driver. */ | ||
3890 | wr32(E1000_DCA_CTRL, E1000_DCA_CTRL_DCA_MODE_CB2); | ||
3891 | if (dca_add_requester(dev) == 0) { | 4092 | if (dca_add_requester(dev) == 0) { |
3892 | adapter->flags |= IGB_FLAG_DCA_ENABLED; | 4093 | adapter->flags |= IGB_FLAG_DCA_ENABLED; |
3893 | dev_info(&adapter->pdev->dev, "DCA enabled\n"); | 4094 | dev_info(&pdev->dev, "DCA enabled\n"); |
3894 | igb_setup_dca(adapter); | 4095 | igb_setup_dca(adapter); |
3895 | break; | 4096 | break; |
3896 | } | 4097 | } |
@@ -3898,9 +4099,9 @@ static int __igb_notify_dca(struct device *dev, void *data) | |||
3898 | case DCA_PROVIDER_REMOVE: | 4099 | case DCA_PROVIDER_REMOVE: |
3899 | if (adapter->flags & IGB_FLAG_DCA_ENABLED) { | 4100 | if (adapter->flags & IGB_FLAG_DCA_ENABLED) { |
3900 | /* without this a class_device is left | 4101 | /* without this a class_device is left |
3901 | * hanging around in the sysfs model */ | 4102 | * hanging around in the sysfs model */ |
3902 | dca_remove_requester(dev); | 4103 | dca_remove_requester(dev); |
3903 | dev_info(&adapter->pdev->dev, "DCA disabled\n"); | 4104 | dev_info(&pdev->dev, "DCA disabled\n"); |
3904 | adapter->flags &= ~IGB_FLAG_DCA_ENABLED; | 4105 | adapter->flags &= ~IGB_FLAG_DCA_ENABLED; |
3905 | wr32(E1000_DCA_CTRL, E1000_DCA_CTRL_DCA_MODE_DISABLE); | 4106 | wr32(E1000_DCA_CTRL, E1000_DCA_CTRL_DCA_MODE_DISABLE); |
3906 | } | 4107 | } |
@@ -3930,12 +4131,51 @@ static void igb_ping_all_vfs(struct igb_adapter *adapter) | |||
3930 | 4131 | ||
3931 | for (i = 0 ; i < adapter->vfs_allocated_count; i++) { | 4132 | for (i = 0 ; i < adapter->vfs_allocated_count; i++) { |
3932 | ping = E1000_PF_CONTROL_MSG; | 4133 | ping = E1000_PF_CONTROL_MSG; |
3933 | if (adapter->vf_data[i].clear_to_send) | 4134 | if (adapter->vf_data[i].flags & IGB_VF_FLAG_CTS) |
3934 | ping |= E1000_VT_MSGTYPE_CTS; | 4135 | ping |= E1000_VT_MSGTYPE_CTS; |
3935 | igb_write_mbx(hw, &ping, 1, i); | 4136 | igb_write_mbx(hw, &ping, 1, i); |
3936 | } | 4137 | } |
3937 | } | 4138 | } |
3938 | 4139 | ||
4140 | static int igb_set_vf_promisc(struct igb_adapter *adapter, u32 *msgbuf, u32 vf) | ||
4141 | { | ||
4142 | struct e1000_hw *hw = &adapter->hw; | ||
4143 | u32 vmolr = rd32(E1000_VMOLR(vf)); | ||
4144 | struct vf_data_storage *vf_data = &adapter->vf_data[vf]; | ||
4145 | |||
4146 | vf_data->flags |= ~(IGB_VF_FLAG_UNI_PROMISC | | ||
4147 | IGB_VF_FLAG_MULTI_PROMISC); | ||
4148 | vmolr &= ~(E1000_VMOLR_ROPE | E1000_VMOLR_ROMPE | E1000_VMOLR_MPME); | ||
4149 | |||
4150 | if (*msgbuf & E1000_VF_SET_PROMISC_MULTICAST) { | ||
4151 | vmolr |= E1000_VMOLR_MPME; | ||
4152 | *msgbuf &= ~E1000_VF_SET_PROMISC_MULTICAST; | ||
4153 | } else { | ||
4154 | /* | ||
4155 | * if we have hashes and we are clearing a multicast promisc | ||
4156 | * flag we need to write the hashes to the MTA as this step | ||
4157 | * was previously skipped | ||
4158 | */ | ||
4159 | if (vf_data->num_vf_mc_hashes > 30) { | ||
4160 | vmolr |= E1000_VMOLR_MPME; | ||
4161 | } else if (vf_data->num_vf_mc_hashes) { | ||
4162 | int j; | ||
4163 | vmolr |= E1000_VMOLR_ROMPE; | ||
4164 | for (j = 0; j < vf_data->num_vf_mc_hashes; j++) | ||
4165 | igb_mta_set(hw, vf_data->vf_mc_hashes[j]); | ||
4166 | } | ||
4167 | } | ||
4168 | |||
4169 | wr32(E1000_VMOLR(vf), vmolr); | ||
4170 | |||
4171 | /* there are flags left unprocessed, likely not supported */ | ||
4172 | if (*msgbuf & E1000_VT_MSGINFO_MASK) | ||
4173 | return -EINVAL; | ||
4174 | |||
4175 | return 0; | ||
4176 | |||
4177 | } | ||
4178 | |||
3939 | static int igb_set_vf_multicasts(struct igb_adapter *adapter, | 4179 | static int igb_set_vf_multicasts(struct igb_adapter *adapter, |
3940 | u32 *msgbuf, u32 vf) | 4180 | u32 *msgbuf, u32 vf) |
3941 | { | 4181 | { |
@@ -3944,18 +4184,17 @@ static int igb_set_vf_multicasts(struct igb_adapter *adapter, | |||
3944 | struct vf_data_storage *vf_data = &adapter->vf_data[vf]; | 4184 | struct vf_data_storage *vf_data = &adapter->vf_data[vf]; |
3945 | int i; | 4185 | int i; |
3946 | 4186 | ||
3947 | /* only up to 30 hash values supported */ | 4187 | /* salt away the number of multicast addresses assigned |
3948 | if (n > 30) | ||
3949 | n = 30; | ||
3950 | |||
3951 | /* salt away the number of multi cast addresses assigned | ||
3952 | * to this VF for later use to restore when the PF multi cast | 4188 | * to this VF for later use to restore when the PF multi cast |
3953 | * list changes | 4189 | * list changes |
3954 | */ | 4190 | */ |
3955 | vf_data->num_vf_mc_hashes = n; | 4191 | vf_data->num_vf_mc_hashes = n; |
3956 | 4192 | ||
3957 | /* VFs are limited to using the MTA hash table for their multicast | 4193 | /* only up to 30 hash values supported */ |
3958 | * addresses */ | 4194 | if (n > 30) |
4195 | n = 30; | ||
4196 | |||
4197 | /* store the hashes for later use */ | ||
3959 | for (i = 0; i < n; i++) | 4198 | for (i = 0; i < n; i++) |
3960 | vf_data->vf_mc_hashes[i] = hash_list[i]; | 4199 | vf_data->vf_mc_hashes[i] = hash_list[i]; |
3961 | 4200 | ||
@@ -3972,9 +4211,20 @@ static void igb_restore_vf_multicasts(struct igb_adapter *adapter) | |||
3972 | int i, j; | 4211 | int i, j; |
3973 | 4212 | ||
3974 | for (i = 0; i < adapter->vfs_allocated_count; i++) { | 4213 | for (i = 0; i < adapter->vfs_allocated_count; i++) { |
4214 | u32 vmolr = rd32(E1000_VMOLR(i)); | ||
4215 | vmolr &= ~(E1000_VMOLR_ROMPE | E1000_VMOLR_MPME); | ||
4216 | |||
3975 | vf_data = &adapter->vf_data[i]; | 4217 | vf_data = &adapter->vf_data[i]; |
3976 | for (j = 0; j < vf_data->num_vf_mc_hashes; j++) | 4218 | |
3977 | igb_mta_set(hw, vf_data->vf_mc_hashes[j]); | 4219 | if ((vf_data->num_vf_mc_hashes > 30) || |
4220 | (vf_data->flags & IGB_VF_FLAG_MULTI_PROMISC)) { | ||
4221 | vmolr |= E1000_VMOLR_MPME; | ||
4222 | } else if (vf_data->num_vf_mc_hashes) { | ||
4223 | vmolr |= E1000_VMOLR_ROMPE; | ||
4224 | for (j = 0; j < vf_data->num_vf_mc_hashes; j++) | ||
4225 | igb_mta_set(hw, vf_data->vf_mc_hashes[j]); | ||
4226 | } | ||
4227 | wr32(E1000_VMOLR(i), vmolr); | ||
3978 | } | 4228 | } |
3979 | } | 4229 | } |
3980 | 4230 | ||
@@ -4012,7 +4262,11 @@ static s32 igb_vlvf_set(struct igb_adapter *adapter, u32 vid, bool add, u32 vf) | |||
4012 | struct e1000_hw *hw = &adapter->hw; | 4262 | struct e1000_hw *hw = &adapter->hw; |
4013 | u32 reg, i; | 4263 | u32 reg, i; |
4014 | 4264 | ||
4015 | /* It is an error to call this function when VFs are not enabled */ | 4265 | /* The vlvf table only exists on 82576 hardware and newer */ |
4266 | if (hw->mac.type < e1000_82576) | ||
4267 | return -1; | ||
4268 | |||
4269 | /* we only need to do this if VMDq is enabled */ | ||
4016 | if (!adapter->vfs_allocated_count) | 4270 | if (!adapter->vfs_allocated_count) |
4017 | return -1; | 4271 | return -1; |
4018 | 4272 | ||
@@ -4042,16 +4296,12 @@ static s32 igb_vlvf_set(struct igb_adapter *adapter, u32 vid, bool add, u32 vf) | |||
4042 | 4296 | ||
4043 | /* if !enabled we need to set this up in vfta */ | 4297 | /* if !enabled we need to set this up in vfta */ |
4044 | if (!(reg & E1000_VLVF_VLANID_ENABLE)) { | 4298 | if (!(reg & E1000_VLVF_VLANID_ENABLE)) { |
4045 | /* add VID to filter table, if bit already set | 4299 | /* add VID to filter table */ |
4046 | * PF must have added it outside of table */ | 4300 | igb_vfta_set(hw, vid, true); |
4047 | if (igb_vfta_set(hw, vid, true)) | ||
4048 | reg |= 1 << (E1000_VLVF_POOLSEL_SHIFT + | ||
4049 | adapter->vfs_allocated_count); | ||
4050 | reg |= E1000_VLVF_VLANID_ENABLE; | 4301 | reg |= E1000_VLVF_VLANID_ENABLE; |
4051 | } | 4302 | } |
4052 | reg &= ~E1000_VLVF_VLANID_MASK; | 4303 | reg &= ~E1000_VLVF_VLANID_MASK; |
4053 | reg |= vid; | 4304 | reg |= vid; |
4054 | |||
4055 | wr32(E1000_VLVF(i), reg); | 4305 | wr32(E1000_VLVF(i), reg); |
4056 | 4306 | ||
4057 | /* do not modify RLPML for PF devices */ | 4307 | /* do not modify RLPML for PF devices */ |
@@ -4067,8 +4317,8 @@ static s32 igb_vlvf_set(struct igb_adapter *adapter, u32 vid, bool add, u32 vf) | |||
4067 | reg |= size; | 4317 | reg |= size; |
4068 | wr32(E1000_VMOLR(vf), reg); | 4318 | wr32(E1000_VMOLR(vf), reg); |
4069 | } | 4319 | } |
4070 | adapter->vf_data[vf].vlans_enabled++; | ||
4071 | 4320 | ||
4321 | adapter->vf_data[vf].vlans_enabled++; | ||
4072 | return 0; | 4322 | return 0; |
4073 | } | 4323 | } |
4074 | } else { | 4324 | } else { |
@@ -4110,15 +4360,14 @@ static int igb_set_vf_vlan(struct igb_adapter *adapter, u32 *msgbuf, u32 vf) | |||
4110 | return igb_vlvf_set(adapter, vid, add, vf); | 4360 | return igb_vlvf_set(adapter, vid, add, vf); |
4111 | } | 4361 | } |
4112 | 4362 | ||
4113 | static inline void igb_vf_reset_event(struct igb_adapter *adapter, u32 vf) | 4363 | static inline void igb_vf_reset(struct igb_adapter *adapter, u32 vf) |
4114 | { | 4364 | { |
4115 | struct e1000_hw *hw = &adapter->hw; | 4365 | /* clear all flags */ |
4116 | 4366 | adapter->vf_data[vf].flags = 0; | |
4117 | /* disable mailbox functionality for vf */ | 4367 | adapter->vf_data[vf].last_nack = jiffies; |
4118 | adapter->vf_data[vf].clear_to_send = false; | ||
4119 | 4368 | ||
4120 | /* reset offloads to defaults */ | 4369 | /* reset offloads to defaults */ |
4121 | igb_set_vmolr(hw, vf); | 4370 | igb_set_vmolr(adapter, vf); |
4122 | 4371 | ||
4123 | /* reset vlans for device */ | 4372 | /* reset vlans for device */ |
4124 | igb_clear_vf_vfta(adapter, vf); | 4373 | igb_clear_vf_vfta(adapter, vf); |
@@ -4130,7 +4379,18 @@ static inline void igb_vf_reset_event(struct igb_adapter *adapter, u32 vf) | |||
4130 | igb_set_rx_mode(adapter->netdev); | 4379 | igb_set_rx_mode(adapter->netdev); |
4131 | } | 4380 | } |
4132 | 4381 | ||
4133 | static inline void igb_vf_reset_msg(struct igb_adapter *adapter, u32 vf) | 4382 | static void igb_vf_reset_event(struct igb_adapter *adapter, u32 vf) |
4383 | { | ||
4384 | unsigned char *vf_mac = adapter->vf_data[vf].vf_mac_addresses; | ||
4385 | |||
4386 | /* generate a new mac address as we were hotplug removed/added */ | ||
4387 | random_ether_addr(vf_mac); | ||
4388 | |||
4389 | /* process remaining reset events */ | ||
4390 | igb_vf_reset(adapter, vf); | ||
4391 | } | ||
4392 | |||
4393 | static void igb_vf_reset_msg(struct igb_adapter *adapter, u32 vf) | ||
4134 | { | 4394 | { |
4135 | struct e1000_hw *hw = &adapter->hw; | 4395 | struct e1000_hw *hw = &adapter->hw; |
4136 | unsigned char *vf_mac = adapter->vf_data[vf].vf_mac_addresses; | 4396 | unsigned char *vf_mac = adapter->vf_data[vf].vf_mac_addresses; |
@@ -4139,11 +4399,10 @@ static inline void igb_vf_reset_msg(struct igb_adapter *adapter, u32 vf) | |||
4139 | u8 *addr = (u8 *)(&msgbuf[1]); | 4399 | u8 *addr = (u8 *)(&msgbuf[1]); |
4140 | 4400 | ||
4141 | /* process all the same items cleared in a function level reset */ | 4401 | /* process all the same items cleared in a function level reset */ |
4142 | igb_vf_reset_event(adapter, vf); | 4402 | igb_vf_reset(adapter, vf); |
4143 | 4403 | ||
4144 | /* set vf mac address */ | 4404 | /* set vf mac address */ |
4145 | igb_rar_set(hw, vf_mac, rar_entry); | 4405 | igb_rar_set_qsel(adapter, vf_mac, rar_entry, vf); |
4146 | igb_set_rah_pool(hw, vf, rar_entry); | ||
4147 | 4406 | ||
4148 | /* enable transmit and receive for vf */ | 4407 | /* enable transmit and receive for vf */ |
4149 | reg = rd32(E1000_VFTE); | 4408 | reg = rd32(E1000_VFTE); |
@@ -4151,8 +4410,7 @@ static inline void igb_vf_reset_msg(struct igb_adapter *adapter, u32 vf) | |||
4151 | reg = rd32(E1000_VFRE); | 4410 | reg = rd32(E1000_VFRE); |
4152 | wr32(E1000_VFRE, reg | (1 << vf)); | 4411 | wr32(E1000_VFRE, reg | (1 << vf)); |
4153 | 4412 | ||
4154 | /* enable mailbox functionality for vf */ | 4413 | adapter->vf_data[vf].flags = IGB_VF_FLAG_CTS; |
4155 | adapter->vf_data[vf].clear_to_send = true; | ||
4156 | 4414 | ||
4157 | /* reply to reset with ack and vf mac address */ | 4415 | /* reply to reset with ack and vf mac address */ |
4158 | msgbuf[0] = E1000_VF_RESET | E1000_VT_MSGTYPE_ACK; | 4416 | msgbuf[0] = E1000_VF_RESET | E1000_VT_MSGTYPE_ACK; |
@@ -4162,66 +4420,45 @@ static inline void igb_vf_reset_msg(struct igb_adapter *adapter, u32 vf) | |||
4162 | 4420 | ||
4163 | static int igb_set_vf_mac_addr(struct igb_adapter *adapter, u32 *msg, int vf) | 4421 | static int igb_set_vf_mac_addr(struct igb_adapter *adapter, u32 *msg, int vf) |
4164 | { | 4422 | { |
4165 | unsigned char *addr = (char *)&msg[1]; | 4423 | unsigned char *addr = (char *)&msg[1]; |
4166 | int err = -1; | 4424 | int err = -1; |
4167 | |||
4168 | if (is_valid_ether_addr(addr)) | ||
4169 | err = igb_set_vf_mac(adapter, vf, addr); | ||
4170 | 4425 | ||
4171 | return err; | 4426 | if (is_valid_ether_addr(addr)) |
4427 | err = igb_set_vf_mac(adapter, vf, addr); | ||
4172 | 4428 | ||
4429 | return err; | ||
4173 | } | 4430 | } |
4174 | 4431 | ||
4175 | static void igb_rcv_ack_from_vf(struct igb_adapter *adapter, u32 vf) | 4432 | static void igb_rcv_ack_from_vf(struct igb_adapter *adapter, u32 vf) |
4176 | { | 4433 | { |
4177 | struct e1000_hw *hw = &adapter->hw; | 4434 | struct e1000_hw *hw = &adapter->hw; |
4435 | struct vf_data_storage *vf_data = &adapter->vf_data[vf]; | ||
4178 | u32 msg = E1000_VT_MSGTYPE_NACK; | 4436 | u32 msg = E1000_VT_MSGTYPE_NACK; |
4179 | 4437 | ||
4180 | /* if device isn't clear to send it shouldn't be reading either */ | 4438 | /* if device isn't clear to send it shouldn't be reading either */ |
4181 | if (!adapter->vf_data[vf].clear_to_send) | 4439 | if (!(vf_data->flags & IGB_VF_FLAG_CTS) && |
4440 | time_after(jiffies, vf_data->last_nack + (2 * HZ))) { | ||
4182 | igb_write_mbx(hw, &msg, 1, vf); | 4441 | igb_write_mbx(hw, &msg, 1, vf); |
4183 | } | 4442 | vf_data->last_nack = jiffies; |
4184 | |||
4185 | |||
4186 | static void igb_msg_task(struct igb_adapter *adapter) | ||
4187 | { | ||
4188 | struct e1000_hw *hw = &adapter->hw; | ||
4189 | u32 vf; | ||
4190 | |||
4191 | for (vf = 0; vf < adapter->vfs_allocated_count; vf++) { | ||
4192 | /* process any reset requests */ | ||
4193 | if (!igb_check_for_rst(hw, vf)) { | ||
4194 | adapter->vf_data[vf].clear_to_send = false; | ||
4195 | igb_vf_reset_event(adapter, vf); | ||
4196 | } | ||
4197 | |||
4198 | /* process any messages pending */ | ||
4199 | if (!igb_check_for_msg(hw, vf)) | ||
4200 | igb_rcv_msg_from_vf(adapter, vf); | ||
4201 | |||
4202 | /* process any acks */ | ||
4203 | if (!igb_check_for_ack(hw, vf)) | ||
4204 | igb_rcv_ack_from_vf(adapter, vf); | ||
4205 | |||
4206 | } | 4443 | } |
4207 | } | 4444 | } |
4208 | 4445 | ||
4209 | static int igb_rcv_msg_from_vf(struct igb_adapter *adapter, u32 vf) | 4446 | static void igb_rcv_msg_from_vf(struct igb_adapter *adapter, u32 vf) |
4210 | { | 4447 | { |
4211 | u32 mbx_size = E1000_VFMAILBOX_SIZE; | 4448 | struct pci_dev *pdev = adapter->pdev; |
4212 | u32 msgbuf[mbx_size]; | 4449 | u32 msgbuf[E1000_VFMAILBOX_SIZE]; |
4213 | struct e1000_hw *hw = &adapter->hw; | 4450 | struct e1000_hw *hw = &adapter->hw; |
4451 | struct vf_data_storage *vf_data = &adapter->vf_data[vf]; | ||
4214 | s32 retval; | 4452 | s32 retval; |
4215 | 4453 | ||
4216 | retval = igb_read_mbx(hw, msgbuf, mbx_size, vf); | 4454 | retval = igb_read_mbx(hw, msgbuf, E1000_VFMAILBOX_SIZE, vf); |
4217 | 4455 | ||
4218 | if (retval) | 4456 | if (retval) |
4219 | dev_err(&adapter->pdev->dev, | 4457 | dev_err(&pdev->dev, "Error receiving message from VF\n"); |
4220 | "Error receiving message from VF\n"); | ||
4221 | 4458 | ||
4222 | /* this is a message we already processed, do nothing */ | 4459 | /* this is a message we already processed, do nothing */ |
4223 | if (msgbuf[0] & (E1000_VT_MSGTYPE_ACK | E1000_VT_MSGTYPE_NACK)) | 4460 | if (msgbuf[0] & (E1000_VT_MSGTYPE_ACK | E1000_VT_MSGTYPE_NACK)) |
4224 | return retval; | 4461 | return; |
4225 | 4462 | ||
4226 | /* | 4463 | /* |
4227 | * until the vf completes a reset it should not be | 4464 | * until the vf completes a reset it should not be |
@@ -4230,20 +4467,25 @@ static int igb_rcv_msg_from_vf(struct igb_adapter *adapter, u32 vf) | |||
4230 | 4467 | ||
4231 | if (msgbuf[0] == E1000_VF_RESET) { | 4468 | if (msgbuf[0] == E1000_VF_RESET) { |
4232 | igb_vf_reset_msg(adapter, vf); | 4469 | igb_vf_reset_msg(adapter, vf); |
4233 | 4470 | return; | |
4234 | return retval; | ||
4235 | } | 4471 | } |
4236 | 4472 | ||
4237 | if (!adapter->vf_data[vf].clear_to_send) { | 4473 | if (!(vf_data->flags & IGB_VF_FLAG_CTS)) { |
4238 | msgbuf[0] |= E1000_VT_MSGTYPE_NACK; | 4474 | msgbuf[0] = E1000_VT_MSGTYPE_NACK; |
4239 | igb_write_mbx(hw, msgbuf, 1, vf); | 4475 | if (time_after(jiffies, vf_data->last_nack + (2 * HZ))) { |
4240 | return retval; | 4476 | igb_write_mbx(hw, msgbuf, 1, vf); |
4477 | vf_data->last_nack = jiffies; | ||
4478 | } | ||
4479 | return; | ||
4241 | } | 4480 | } |
4242 | 4481 | ||
4243 | switch ((msgbuf[0] & 0xFFFF)) { | 4482 | switch ((msgbuf[0] & 0xFFFF)) { |
4244 | case E1000_VF_SET_MAC_ADDR: | 4483 | case E1000_VF_SET_MAC_ADDR: |
4245 | retval = igb_set_vf_mac_addr(adapter, msgbuf, vf); | 4484 | retval = igb_set_vf_mac_addr(adapter, msgbuf, vf); |
4246 | break; | 4485 | break; |
4486 | case E1000_VF_SET_PROMISC: | ||
4487 | retval = igb_set_vf_promisc(adapter, msgbuf, vf); | ||
4488 | break; | ||
4247 | case E1000_VF_SET_MULTICAST: | 4489 | case E1000_VF_SET_MULTICAST: |
4248 | retval = igb_set_vf_multicasts(adapter, msgbuf, vf); | 4490 | retval = igb_set_vf_multicasts(adapter, msgbuf, vf); |
4249 | break; | 4491 | break; |
@@ -4254,7 +4496,7 @@ static int igb_rcv_msg_from_vf(struct igb_adapter *adapter, u32 vf) | |||
4254 | retval = igb_set_vf_vlan(adapter, msgbuf, vf); | 4496 | retval = igb_set_vf_vlan(adapter, msgbuf, vf); |
4255 | break; | 4497 | break; |
4256 | default: | 4498 | default: |
4257 | dev_err(&adapter->pdev->dev, "Unhandled Msg %08x\n", msgbuf[0]); | 4499 | dev_err(&pdev->dev, "Unhandled Msg %08x\n", msgbuf[0]); |
4258 | retval = -1; | 4500 | retval = -1; |
4259 | break; | 4501 | break; |
4260 | } | 4502 | } |
@@ -4268,8 +4510,53 @@ static int igb_rcv_msg_from_vf(struct igb_adapter *adapter, u32 vf) | |||
4268 | msgbuf[0] |= E1000_VT_MSGTYPE_CTS; | 4510 | msgbuf[0] |= E1000_VT_MSGTYPE_CTS; |
4269 | 4511 | ||
4270 | igb_write_mbx(hw, msgbuf, 1, vf); | 4512 | igb_write_mbx(hw, msgbuf, 1, vf); |
4513 | } | ||
4271 | 4514 | ||
4272 | return retval; | 4515 | static void igb_msg_task(struct igb_adapter *adapter) |
4516 | { | ||
4517 | struct e1000_hw *hw = &adapter->hw; | ||
4518 | u32 vf; | ||
4519 | |||
4520 | for (vf = 0; vf < adapter->vfs_allocated_count; vf++) { | ||
4521 | /* process any reset requests */ | ||
4522 | if (!igb_check_for_rst(hw, vf)) | ||
4523 | igb_vf_reset_event(adapter, vf); | ||
4524 | |||
4525 | /* process any messages pending */ | ||
4526 | if (!igb_check_for_msg(hw, vf)) | ||
4527 | igb_rcv_msg_from_vf(adapter, vf); | ||
4528 | |||
4529 | /* process any acks */ | ||
4530 | if (!igb_check_for_ack(hw, vf)) | ||
4531 | igb_rcv_ack_from_vf(adapter, vf); | ||
4532 | } | ||
4533 | } | ||
4534 | |||
4535 | /** | ||
4536 | * igb_set_uta - Set unicast filter table address | ||
4537 | * @adapter: board private structure | ||
4538 | * | ||
4539 | * The unicast table address is a register array of 32-bit registers. | ||
4540 | * The table is meant to be used in a way similar to how the MTA is used | ||
4541 | * however due to certain limitations in the hardware it is necessary to | ||
4542 | * set all the hash bits to 1 and use the VMOLR ROPE bit as a promiscous | ||
4543 | * enable bit to allow vlan tag stripping when promiscous mode is enabled | ||
4544 | **/ | ||
4545 | static void igb_set_uta(struct igb_adapter *adapter) | ||
4546 | { | ||
4547 | struct e1000_hw *hw = &adapter->hw; | ||
4548 | int i; | ||
4549 | |||
4550 | /* The UTA table only exists on 82576 hardware and newer */ | ||
4551 | if (hw->mac.type < e1000_82576) | ||
4552 | return; | ||
4553 | |||
4554 | /* we only need to do this if VMDq is enabled */ | ||
4555 | if (!adapter->vfs_allocated_count) | ||
4556 | return; | ||
4557 | |||
4558 | for (i = 0; i < hw->mac.uta_reg_count; i++) | ||
4559 | array_wr32(E1000_UTA, i, ~0); | ||
4273 | } | 4560 | } |
4274 | 4561 | ||
4275 | /** | 4562 | /** |
@@ -4279,15 +4566,15 @@ static int igb_rcv_msg_from_vf(struct igb_adapter *adapter, u32 vf) | |||
4279 | **/ | 4566 | **/ |
4280 | static irqreturn_t igb_intr_msi(int irq, void *data) | 4567 | static irqreturn_t igb_intr_msi(int irq, void *data) |
4281 | { | 4568 | { |
4282 | struct net_device *netdev = data; | 4569 | struct igb_adapter *adapter = data; |
4283 | struct igb_adapter *adapter = netdev_priv(netdev); | 4570 | struct igb_q_vector *q_vector = adapter->q_vector[0]; |
4284 | struct e1000_hw *hw = &adapter->hw; | 4571 | struct e1000_hw *hw = &adapter->hw; |
4285 | /* read ICR disables interrupts using IAM */ | 4572 | /* read ICR disables interrupts using IAM */ |
4286 | u32 icr = rd32(E1000_ICR); | 4573 | u32 icr = rd32(E1000_ICR); |
4287 | 4574 | ||
4288 | igb_write_itr(adapter->rx_ring); | 4575 | igb_write_itr(q_vector); |
4289 | 4576 | ||
4290 | if(icr & E1000_ICR_DOUTSYNC) { | 4577 | if (icr & E1000_ICR_DOUTSYNC) { |
4291 | /* HW is reporting DMA is out of sync */ | 4578 | /* HW is reporting DMA is out of sync */ |
4292 | adapter->stats.doosync++; | 4579 | adapter->stats.doosync++; |
4293 | } | 4580 | } |
@@ -4298,7 +4585,7 @@ static irqreturn_t igb_intr_msi(int irq, void *data) | |||
4298 | mod_timer(&adapter->watchdog_timer, jiffies + 1); | 4585 | mod_timer(&adapter->watchdog_timer, jiffies + 1); |
4299 | } | 4586 | } |
4300 | 4587 | ||
4301 | napi_schedule(&adapter->rx_ring[0].napi); | 4588 | napi_schedule(&q_vector->napi); |
4302 | 4589 | ||
4303 | return IRQ_HANDLED; | 4590 | return IRQ_HANDLED; |
4304 | } | 4591 | } |
@@ -4310,8 +4597,8 @@ static irqreturn_t igb_intr_msi(int irq, void *data) | |||
4310 | **/ | 4597 | **/ |
4311 | static irqreturn_t igb_intr(int irq, void *data) | 4598 | static irqreturn_t igb_intr(int irq, void *data) |
4312 | { | 4599 | { |
4313 | struct net_device *netdev = data; | 4600 | struct igb_adapter *adapter = data; |
4314 | struct igb_adapter *adapter = netdev_priv(netdev); | 4601 | struct igb_q_vector *q_vector = adapter->q_vector[0]; |
4315 | struct e1000_hw *hw = &adapter->hw; | 4602 | struct e1000_hw *hw = &adapter->hw; |
4316 | /* Interrupt Auto-Mask...upon reading ICR, interrupts are masked. No | 4603 | /* Interrupt Auto-Mask...upon reading ICR, interrupts are masked. No |
4317 | * need for the IMC write */ | 4604 | * need for the IMC write */ |
@@ -4319,14 +4606,14 @@ static irqreturn_t igb_intr(int irq, void *data) | |||
4319 | if (!icr) | 4606 | if (!icr) |
4320 | return IRQ_NONE; /* Not our interrupt */ | 4607 | return IRQ_NONE; /* Not our interrupt */ |
4321 | 4608 | ||
4322 | igb_write_itr(adapter->rx_ring); | 4609 | igb_write_itr(q_vector); |
4323 | 4610 | ||
4324 | /* IMS will not auto-mask if INT_ASSERTED is not set, and if it is | 4611 | /* IMS will not auto-mask if INT_ASSERTED is not set, and if it is |
4325 | * not set, then the adapter didn't send an interrupt */ | 4612 | * not set, then the adapter didn't send an interrupt */ |
4326 | if (!(icr & E1000_ICR_INT_ASSERTED)) | 4613 | if (!(icr & E1000_ICR_INT_ASSERTED)) |
4327 | return IRQ_NONE; | 4614 | return IRQ_NONE; |
4328 | 4615 | ||
4329 | if(icr & E1000_ICR_DOUTSYNC) { | 4616 | if (icr & E1000_ICR_DOUTSYNC) { |
4330 | /* HW is reporting DMA is out of sync */ | 4617 | /* HW is reporting DMA is out of sync */ |
4331 | adapter->stats.doosync++; | 4618 | adapter->stats.doosync++; |
4332 | } | 4619 | } |
@@ -4338,26 +4625,27 @@ static irqreturn_t igb_intr(int irq, void *data) | |||
4338 | mod_timer(&adapter->watchdog_timer, jiffies + 1); | 4625 | mod_timer(&adapter->watchdog_timer, jiffies + 1); |
4339 | } | 4626 | } |
4340 | 4627 | ||
4341 | napi_schedule(&adapter->rx_ring[0].napi); | 4628 | napi_schedule(&q_vector->napi); |
4342 | 4629 | ||
4343 | return IRQ_HANDLED; | 4630 | return IRQ_HANDLED; |
4344 | } | 4631 | } |
4345 | 4632 | ||
4346 | static inline void igb_rx_irq_enable(struct igb_ring *rx_ring) | 4633 | static inline void igb_ring_irq_enable(struct igb_q_vector *q_vector) |
4347 | { | 4634 | { |
4348 | struct igb_adapter *adapter = rx_ring->adapter; | 4635 | struct igb_adapter *adapter = q_vector->adapter; |
4349 | struct e1000_hw *hw = &adapter->hw; | 4636 | struct e1000_hw *hw = &adapter->hw; |
4350 | 4637 | ||
4351 | if (adapter->itr_setting & 3) { | 4638 | if ((q_vector->rx_ring && (adapter->rx_itr_setting & 3)) || |
4352 | if (adapter->num_rx_queues == 1) | 4639 | (!q_vector->rx_ring && (adapter->tx_itr_setting & 3))) { |
4640 | if (!adapter->msix_entries) | ||
4353 | igb_set_itr(adapter); | 4641 | igb_set_itr(adapter); |
4354 | else | 4642 | else |
4355 | igb_update_ring_itr(rx_ring); | 4643 | igb_update_ring_itr(q_vector); |
4356 | } | 4644 | } |
4357 | 4645 | ||
4358 | if (!test_bit(__IGB_DOWN, &adapter->state)) { | 4646 | if (!test_bit(__IGB_DOWN, &adapter->state)) { |
4359 | if (adapter->msix_entries) | 4647 | if (adapter->msix_entries) |
4360 | wr32(E1000_EIMS, rx_ring->eims_value); | 4648 | wr32(E1000_EIMS, q_vector->eims_value); |
4361 | else | 4649 | else |
4362 | igb_irq_enable(adapter); | 4650 | igb_irq_enable(adapter); |
4363 | } | 4651 | } |
@@ -4370,76 +4658,94 @@ static inline void igb_rx_irq_enable(struct igb_ring *rx_ring) | |||
4370 | **/ | 4658 | **/ |
4371 | static int igb_poll(struct napi_struct *napi, int budget) | 4659 | static int igb_poll(struct napi_struct *napi, int budget) |
4372 | { | 4660 | { |
4373 | struct igb_ring *rx_ring = container_of(napi, struct igb_ring, napi); | 4661 | struct igb_q_vector *q_vector = container_of(napi, |
4374 | int work_done = 0; | 4662 | struct igb_q_vector, |
4663 | napi); | ||
4664 | int tx_clean_complete = 1, work_done = 0; | ||
4375 | 4665 | ||
4376 | #ifdef CONFIG_IGB_DCA | 4666 | #ifdef CONFIG_IGB_DCA |
4377 | if (rx_ring->adapter->flags & IGB_FLAG_DCA_ENABLED) | 4667 | if (q_vector->adapter->flags & IGB_FLAG_DCA_ENABLED) |
4378 | igb_update_rx_dca(rx_ring); | 4668 | igb_update_dca(q_vector); |
4379 | #endif | 4669 | #endif |
4380 | igb_clean_rx_irq_adv(rx_ring, &work_done, budget); | 4670 | if (q_vector->tx_ring) |
4671 | tx_clean_complete = igb_clean_tx_irq(q_vector); | ||
4381 | 4672 | ||
4382 | if (rx_ring->buddy) { | 4673 | if (q_vector->rx_ring) |
4383 | #ifdef CONFIG_IGB_DCA | 4674 | igb_clean_rx_irq_adv(q_vector, &work_done, budget); |
4384 | if (rx_ring->adapter->flags & IGB_FLAG_DCA_ENABLED) | 4675 | |
4385 | igb_update_tx_dca(rx_ring->buddy); | 4676 | if (!tx_clean_complete) |
4386 | #endif | 4677 | work_done = budget; |
4387 | if (!igb_clean_tx_irq(rx_ring->buddy)) | ||
4388 | work_done = budget; | ||
4389 | } | ||
4390 | 4678 | ||
4391 | /* If not enough Rx work done, exit the polling mode */ | 4679 | /* If not enough Rx work done, exit the polling mode */ |
4392 | if (work_done < budget) { | 4680 | if (work_done < budget) { |
4393 | napi_complete(napi); | 4681 | napi_complete(napi); |
4394 | igb_rx_irq_enable(rx_ring); | 4682 | igb_ring_irq_enable(q_vector); |
4395 | } | 4683 | } |
4396 | 4684 | ||
4397 | return work_done; | 4685 | return work_done; |
4398 | } | 4686 | } |
4399 | 4687 | ||
4400 | /** | 4688 | /** |
4401 | * igb_hwtstamp - utility function which checks for TX time stamp | 4689 | * igb_systim_to_hwtstamp - convert system time value to hw timestamp |
4402 | * @adapter: board private structure | 4690 | * @adapter: board private structure |
4691 | * @shhwtstamps: timestamp structure to update | ||
4692 | * @regval: unsigned 64bit system time value. | ||
4693 | * | ||
4694 | * We need to convert the system time value stored in the RX/TXSTMP registers | ||
4695 | * into a hwtstamp which can be used by the upper level timestamping functions | ||
4696 | */ | ||
4697 | static void igb_systim_to_hwtstamp(struct igb_adapter *adapter, | ||
4698 | struct skb_shared_hwtstamps *shhwtstamps, | ||
4699 | u64 regval) | ||
4700 | { | ||
4701 | u64 ns; | ||
4702 | |||
4703 | ns = timecounter_cyc2time(&adapter->clock, regval); | ||
4704 | timecompare_update(&adapter->compare, ns); | ||
4705 | memset(shhwtstamps, 0, sizeof(struct skb_shared_hwtstamps)); | ||
4706 | shhwtstamps->hwtstamp = ns_to_ktime(ns); | ||
4707 | shhwtstamps->syststamp = timecompare_transform(&adapter->compare, ns); | ||
4708 | } | ||
4709 | |||
4710 | /** | ||
4711 | * igb_tx_hwtstamp - utility function which checks for TX time stamp | ||
4712 | * @q_vector: pointer to q_vector containing needed info | ||
4403 | * @skb: packet that was just sent | 4713 | * @skb: packet that was just sent |
4404 | * | 4714 | * |
4405 | * If we were asked to do hardware stamping and such a time stamp is | 4715 | * If we were asked to do hardware stamping and such a time stamp is |
4406 | * available, then it must have been for this skb here because we only | 4716 | * available, then it must have been for this skb here because we only |
4407 | * allow only one such packet into the queue. | 4717 | * allow only one such packet into the queue. |
4408 | */ | 4718 | */ |
4409 | static void igb_tx_hwtstamp(struct igb_adapter *adapter, struct sk_buff *skb) | 4719 | static void igb_tx_hwtstamp(struct igb_q_vector *q_vector, struct sk_buff *skb) |
4410 | { | 4720 | { |
4721 | struct igb_adapter *adapter = q_vector->adapter; | ||
4411 | union skb_shared_tx *shtx = skb_tx(skb); | 4722 | union skb_shared_tx *shtx = skb_tx(skb); |
4412 | struct e1000_hw *hw = &adapter->hw; | 4723 | struct e1000_hw *hw = &adapter->hw; |
4724 | struct skb_shared_hwtstamps shhwtstamps; | ||
4725 | u64 regval; | ||
4413 | 4726 | ||
4414 | if (unlikely(shtx->hardware)) { | 4727 | /* if skb does not support hw timestamp or TX stamp not valid exit */ |
4415 | u32 valid = rd32(E1000_TSYNCTXCTL) & E1000_TSYNCTXCTL_VALID; | 4728 | if (likely(!shtx->hardware) || |
4416 | if (valid) { | 4729 | !(rd32(E1000_TSYNCTXCTL) & E1000_TSYNCTXCTL_VALID)) |
4417 | u64 regval = rd32(E1000_TXSTMPL); | 4730 | return; |
4418 | u64 ns; | 4731 | |
4419 | struct skb_shared_hwtstamps shhwtstamps; | 4732 | regval = rd32(E1000_TXSTMPL); |
4420 | 4733 | regval |= (u64)rd32(E1000_TXSTMPH) << 32; | |
4421 | memset(&shhwtstamps, 0, sizeof(shhwtstamps)); | 4734 | |
4422 | regval |= (u64)rd32(E1000_TXSTMPH) << 32; | 4735 | igb_systim_to_hwtstamp(adapter, &shhwtstamps, regval); |
4423 | ns = timecounter_cyc2time(&adapter->clock, | 4736 | skb_tstamp_tx(skb, &shhwtstamps); |
4424 | regval); | ||
4425 | timecompare_update(&adapter->compare, ns); | ||
4426 | shhwtstamps.hwtstamp = ns_to_ktime(ns); | ||
4427 | shhwtstamps.syststamp = | ||
4428 | timecompare_transform(&adapter->compare, ns); | ||
4429 | skb_tstamp_tx(skb, &shhwtstamps); | ||
4430 | } | ||
4431 | } | ||
4432 | } | 4737 | } |
4433 | 4738 | ||
4434 | /** | 4739 | /** |
4435 | * igb_clean_tx_irq - Reclaim resources after transmit completes | 4740 | * igb_clean_tx_irq - Reclaim resources after transmit completes |
4436 | * @adapter: board private structure | 4741 | * @q_vector: pointer to q_vector containing needed info |
4437 | * returns true if ring is completely cleaned | 4742 | * returns true if ring is completely cleaned |
4438 | **/ | 4743 | **/ |
4439 | static bool igb_clean_tx_irq(struct igb_ring *tx_ring) | 4744 | static bool igb_clean_tx_irq(struct igb_q_vector *q_vector) |
4440 | { | 4745 | { |
4441 | struct igb_adapter *adapter = tx_ring->adapter; | 4746 | struct igb_adapter *adapter = q_vector->adapter; |
4442 | struct net_device *netdev = adapter->netdev; | 4747 | struct igb_ring *tx_ring = q_vector->tx_ring; |
4748 | struct net_device *netdev = tx_ring->netdev; | ||
4443 | struct e1000_hw *hw = &adapter->hw; | 4749 | struct e1000_hw *hw = &adapter->hw; |
4444 | struct igb_buffer *buffer_info; | 4750 | struct igb_buffer *buffer_info; |
4445 | struct sk_buff *skb; | 4751 | struct sk_buff *skb; |
@@ -4470,10 +4776,10 @@ static bool igb_clean_tx_irq(struct igb_ring *tx_ring) | |||
4470 | total_packets += segs; | 4776 | total_packets += segs; |
4471 | total_bytes += bytecount; | 4777 | total_bytes += bytecount; |
4472 | 4778 | ||
4473 | igb_tx_hwtstamp(adapter, skb); | 4779 | igb_tx_hwtstamp(q_vector, skb); |
4474 | } | 4780 | } |
4475 | 4781 | ||
4476 | igb_unmap_and_free_tx_resource(adapter, buffer_info); | 4782 | igb_unmap_and_free_tx_resource(tx_ring, buffer_info); |
4477 | tx_desc->wb.status = 0; | 4783 | tx_desc->wb.status = 0; |
4478 | 4784 | ||
4479 | i++; | 4785 | i++; |
@@ -4496,7 +4802,7 @@ static bool igb_clean_tx_irq(struct igb_ring *tx_ring) | |||
4496 | if (__netif_subqueue_stopped(netdev, tx_ring->queue_index) && | 4802 | if (__netif_subqueue_stopped(netdev, tx_ring->queue_index) && |
4497 | !(test_bit(__IGB_DOWN, &adapter->state))) { | 4803 | !(test_bit(__IGB_DOWN, &adapter->state))) { |
4498 | netif_wake_subqueue(netdev, tx_ring->queue_index); | 4804 | netif_wake_subqueue(netdev, tx_ring->queue_index); |
4499 | ++adapter->restart_queue; | 4805 | tx_ring->tx_stats.restart_queue++; |
4500 | } | 4806 | } |
4501 | } | 4807 | } |
4502 | 4808 | ||
@@ -4511,7 +4817,7 @@ static bool igb_clean_tx_irq(struct igb_ring *tx_ring) | |||
4511 | E1000_STATUS_TXOFF)) { | 4817 | E1000_STATUS_TXOFF)) { |
4512 | 4818 | ||
4513 | /* detected Tx unit hang */ | 4819 | /* detected Tx unit hang */ |
4514 | dev_err(&adapter->pdev->dev, | 4820 | dev_err(&tx_ring->pdev->dev, |
4515 | "Detected Tx Unit Hang\n" | 4821 | "Detected Tx Unit Hang\n" |
4516 | " Tx Queue <%d>\n" | 4822 | " Tx Queue <%d>\n" |
4517 | " TDH <%x>\n" | 4823 | " TDH <%x>\n" |
@@ -4524,11 +4830,11 @@ static bool igb_clean_tx_irq(struct igb_ring *tx_ring) | |||
4524 | " jiffies <%lx>\n" | 4830 | " jiffies <%lx>\n" |
4525 | " desc.status <%x>\n", | 4831 | " desc.status <%x>\n", |
4526 | tx_ring->queue_index, | 4832 | tx_ring->queue_index, |
4527 | readl(adapter->hw.hw_addr + tx_ring->head), | 4833 | readl(tx_ring->head), |
4528 | readl(adapter->hw.hw_addr + tx_ring->tail), | 4834 | readl(tx_ring->tail), |
4529 | tx_ring->next_to_use, | 4835 | tx_ring->next_to_use, |
4530 | tx_ring->next_to_clean, | 4836 | tx_ring->next_to_clean, |
4531 | tx_ring->buffer_info[i].time_stamp, | 4837 | tx_ring->buffer_info[eop].time_stamp, |
4532 | eop, | 4838 | eop, |
4533 | jiffies, | 4839 | jiffies, |
4534 | eop_desc->wb.status); | 4840 | eop_desc->wb.status); |
@@ -4539,43 +4845,38 @@ static bool igb_clean_tx_irq(struct igb_ring *tx_ring) | |||
4539 | tx_ring->total_packets += total_packets; | 4845 | tx_ring->total_packets += total_packets; |
4540 | tx_ring->tx_stats.bytes += total_bytes; | 4846 | tx_ring->tx_stats.bytes += total_bytes; |
4541 | tx_ring->tx_stats.packets += total_packets; | 4847 | tx_ring->tx_stats.packets += total_packets; |
4542 | adapter->net_stats.tx_bytes += total_bytes; | ||
4543 | adapter->net_stats.tx_packets += total_packets; | ||
4544 | return (count < tx_ring->count); | 4848 | return (count < tx_ring->count); |
4545 | } | 4849 | } |
4546 | 4850 | ||
4547 | /** | 4851 | /** |
4548 | * igb_receive_skb - helper function to handle rx indications | 4852 | * igb_receive_skb - helper function to handle rx indications |
4549 | * @ring: pointer to receive ring receving this packet | 4853 | * @q_vector: structure containing interrupt and ring information |
4550 | * @status: descriptor status field as written by hardware | 4854 | * @skb: packet to send up |
4551 | * @rx_desc: receive descriptor containing vlan and type information. | 4855 | * @vlan_tag: vlan tag for packet |
4552 | * @skb: pointer to sk_buff to be indicated to stack | ||
4553 | **/ | 4856 | **/ |
4554 | static void igb_receive_skb(struct igb_ring *ring, u8 status, | 4857 | static void igb_receive_skb(struct igb_q_vector *q_vector, |
4555 | union e1000_adv_rx_desc * rx_desc, | 4858 | struct sk_buff *skb, |
4556 | struct sk_buff *skb) | 4859 | u16 vlan_tag) |
4557 | { | 4860 | { |
4558 | struct igb_adapter * adapter = ring->adapter; | 4861 | struct igb_adapter *adapter = q_vector->adapter; |
4559 | bool vlan_extracted = (adapter->vlgrp && (status & E1000_RXD_STAT_VP)); | 4862 | |
4560 | 4863 | if (vlan_tag) | |
4561 | skb_record_rx_queue(skb, ring->queue_index); | 4864 | vlan_gro_receive(&q_vector->napi, adapter->vlgrp, |
4562 | if (vlan_extracted) | 4865 | vlan_tag, skb); |
4563 | vlan_gro_receive(&ring->napi, adapter->vlgrp, | ||
4564 | le16_to_cpu(rx_desc->wb.upper.vlan), | ||
4565 | skb); | ||
4566 | else | 4866 | else |
4567 | napi_gro_receive(&ring->napi, skb); | 4867 | napi_gro_receive(&q_vector->napi, skb); |
4568 | } | 4868 | } |
4569 | 4869 | ||
4570 | static inline void igb_rx_checksum_adv(struct igb_adapter *adapter, | 4870 | static inline void igb_rx_checksum_adv(struct igb_ring *ring, |
4571 | u32 status_err, struct sk_buff *skb) | 4871 | u32 status_err, struct sk_buff *skb) |
4572 | { | 4872 | { |
4573 | skb->ip_summed = CHECKSUM_NONE; | 4873 | skb->ip_summed = CHECKSUM_NONE; |
4574 | 4874 | ||
4575 | /* Ignore Checksum bit is set or checksum is disabled through ethtool */ | 4875 | /* Ignore Checksum bit is set or checksum is disabled through ethtool */ |
4576 | if ((status_err & E1000_RXD_STAT_IXSM) || | 4876 | if (!(ring->flags & IGB_RING_FLAG_RX_CSUM) || |
4577 | (adapter->flags & IGB_FLAG_RX_CSUM_DISABLED)) | 4877 | (status_err & E1000_RXD_STAT_IXSM)) |
4578 | return; | 4878 | return; |
4879 | |||
4579 | /* TCP/UDP checksum error bit is set */ | 4880 | /* TCP/UDP checksum error bit is set */ |
4580 | if (status_err & | 4881 | if (status_err & |
4581 | (E1000_RXDEXT_STATERR_TCPE | E1000_RXDEXT_STATERR_IPE)) { | 4882 | (E1000_RXDEXT_STATERR_TCPE | E1000_RXDEXT_STATERR_IPE)) { |
@@ -4584,9 +4885,10 @@ static inline void igb_rx_checksum_adv(struct igb_adapter *adapter, | |||
4584 | * L4E bit is set incorrectly on 64 byte (60 byte w/o crc) | 4885 | * L4E bit is set incorrectly on 64 byte (60 byte w/o crc) |
4585 | * packets, (aka let the stack check the crc32c) | 4886 | * packets, (aka let the stack check the crc32c) |
4586 | */ | 4887 | */ |
4587 | if (!((adapter->hw.mac.type == e1000_82576) && | 4888 | if ((skb->len == 60) && |
4588 | (skb->len == 60))) | 4889 | (ring->flags & IGB_RING_FLAG_RX_SCTP_CSUM)) |
4589 | adapter->hw_csum_err++; | 4890 | ring->rx_stats.csum_err++; |
4891 | |||
4590 | /* let the stack verify checksum errors */ | 4892 | /* let the stack verify checksum errors */ |
4591 | return; | 4893 | return; |
4592 | } | 4894 | } |
@@ -4594,11 +4896,38 @@ static inline void igb_rx_checksum_adv(struct igb_adapter *adapter, | |||
4594 | if (status_err & (E1000_RXD_STAT_TCPCS | E1000_RXD_STAT_UDPCS)) | 4896 | if (status_err & (E1000_RXD_STAT_TCPCS | E1000_RXD_STAT_UDPCS)) |
4595 | skb->ip_summed = CHECKSUM_UNNECESSARY; | 4897 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
4596 | 4898 | ||
4597 | dev_dbg(&adapter->pdev->dev, "cksum success: bits %08X\n", status_err); | 4899 | dev_dbg(&ring->pdev->dev, "cksum success: bits %08X\n", status_err); |
4598 | adapter->hw_csum_good++; | ||
4599 | } | 4900 | } |
4600 | 4901 | ||
4601 | static inline u16 igb_get_hlen(struct igb_adapter *adapter, | 4902 | static inline void igb_rx_hwtstamp(struct igb_q_vector *q_vector, u32 staterr, |
4903 | struct sk_buff *skb) | ||
4904 | { | ||
4905 | struct igb_adapter *adapter = q_vector->adapter; | ||
4906 | struct e1000_hw *hw = &adapter->hw; | ||
4907 | u64 regval; | ||
4908 | |||
4909 | /* | ||
4910 | * If this bit is set, then the RX registers contain the time stamp. No | ||
4911 | * other packet will be time stamped until we read these registers, so | ||
4912 | * read the registers to make them available again. Because only one | ||
4913 | * packet can be time stamped at a time, we know that the register | ||
4914 | * values must belong to this one here and therefore we don't need to | ||
4915 | * compare any of the additional attributes stored for it. | ||
4916 | * | ||
4917 | * If nothing went wrong, then it should have a skb_shared_tx that we | ||
4918 | * can turn into a skb_shared_hwtstamps. | ||
4919 | */ | ||
4920 | if (likely(!(staterr & E1000_RXDADV_STAT_TS))) | ||
4921 | return; | ||
4922 | if (!(rd32(E1000_TSYNCRXCTL) & E1000_TSYNCRXCTL_VALID)) | ||
4923 | return; | ||
4924 | |||
4925 | regval = rd32(E1000_RXSTMPL); | ||
4926 | regval |= (u64)rd32(E1000_RXSTMPH) << 32; | ||
4927 | |||
4928 | igb_systim_to_hwtstamp(adapter, skb_hwtstamps(skb), regval); | ||
4929 | } | ||
4930 | static inline u16 igb_get_hlen(struct igb_ring *rx_ring, | ||
4602 | union e1000_adv_rx_desc *rx_desc) | 4931 | union e1000_adv_rx_desc *rx_desc) |
4603 | { | 4932 | { |
4604 | /* HW will not DMA in data larger than the given buffer, even if it | 4933 | /* HW will not DMA in data larger than the given buffer, even if it |
@@ -4607,27 +4936,28 @@ static inline u16 igb_get_hlen(struct igb_adapter *adapter, | |||
4607 | */ | 4936 | */ |
4608 | u16 hlen = (le16_to_cpu(rx_desc->wb.lower.lo_dword.hdr_info) & | 4937 | u16 hlen = (le16_to_cpu(rx_desc->wb.lower.lo_dword.hdr_info) & |
4609 | E1000_RXDADV_HDRBUFLEN_MASK) >> E1000_RXDADV_HDRBUFLEN_SHIFT; | 4938 | E1000_RXDADV_HDRBUFLEN_MASK) >> E1000_RXDADV_HDRBUFLEN_SHIFT; |
4610 | if (hlen > adapter->rx_ps_hdr_size) | 4939 | if (hlen > rx_ring->rx_buffer_len) |
4611 | hlen = adapter->rx_ps_hdr_size; | 4940 | hlen = rx_ring->rx_buffer_len; |
4612 | return hlen; | 4941 | return hlen; |
4613 | } | 4942 | } |
4614 | 4943 | ||
4615 | static bool igb_clean_rx_irq_adv(struct igb_ring *rx_ring, | 4944 | static bool igb_clean_rx_irq_adv(struct igb_q_vector *q_vector, |
4616 | int *work_done, int budget) | 4945 | int *work_done, int budget) |
4617 | { | 4946 | { |
4618 | struct igb_adapter *adapter = rx_ring->adapter; | 4947 | struct igb_ring *rx_ring = q_vector->rx_ring; |
4619 | struct net_device *netdev = adapter->netdev; | 4948 | struct net_device *netdev = rx_ring->netdev; |
4620 | struct e1000_hw *hw = &adapter->hw; | 4949 | struct pci_dev *pdev = rx_ring->pdev; |
4621 | struct pci_dev *pdev = adapter->pdev; | ||
4622 | union e1000_adv_rx_desc *rx_desc , *next_rxd; | 4950 | union e1000_adv_rx_desc *rx_desc , *next_rxd; |
4623 | struct igb_buffer *buffer_info , *next_buffer; | 4951 | struct igb_buffer *buffer_info , *next_buffer; |
4624 | struct sk_buff *skb; | 4952 | struct sk_buff *skb; |
4625 | bool cleaned = false; | 4953 | bool cleaned = false; |
4626 | int cleaned_count = 0; | 4954 | int cleaned_count = 0; |
4955 | int current_node = numa_node_id(); | ||
4627 | unsigned int total_bytes = 0, total_packets = 0; | 4956 | unsigned int total_bytes = 0, total_packets = 0; |
4628 | unsigned int i; | 4957 | unsigned int i; |
4629 | u32 staterr; | 4958 | u32 staterr; |
4630 | u16 length; | 4959 | u16 length; |
4960 | u16 vlan_tag; | ||
4631 | 4961 | ||
4632 | i = rx_ring->next_to_clean; | 4962 | i = rx_ring->next_to_clean; |
4633 | buffer_info = &rx_ring->buffer_info[i]; | 4963 | buffer_info = &rx_ring->buffer_info[i]; |
@@ -4646,6 +4976,7 @@ static bool igb_clean_rx_irq_adv(struct igb_ring *rx_ring, | |||
4646 | i++; | 4976 | i++; |
4647 | if (i == rx_ring->count) | 4977 | if (i == rx_ring->count) |
4648 | i = 0; | 4978 | i = 0; |
4979 | |||
4649 | next_rxd = E1000_RX_DESC_ADV(*rx_ring, i); | 4980 | next_rxd = E1000_RX_DESC_ADV(*rx_ring, i); |
4650 | prefetch(next_rxd); | 4981 | prefetch(next_rxd); |
4651 | next_buffer = &rx_ring->buffer_info[i]; | 4982 | next_buffer = &rx_ring->buffer_info[i]; |
@@ -4654,23 +4985,16 @@ static bool igb_clean_rx_irq_adv(struct igb_ring *rx_ring, | |||
4654 | cleaned = true; | 4985 | cleaned = true; |
4655 | cleaned_count++; | 4986 | cleaned_count++; |
4656 | 4987 | ||
4657 | /* this is the fast path for the non-packet split case */ | ||
4658 | if (!adapter->rx_ps_hdr_size) { | ||
4659 | pci_unmap_single(pdev, buffer_info->dma, | ||
4660 | adapter->rx_buffer_len, | ||
4661 | PCI_DMA_FROMDEVICE); | ||
4662 | buffer_info->dma = 0; | ||
4663 | skb_put(skb, length); | ||
4664 | goto send_up; | ||
4665 | } | ||
4666 | |||
4667 | if (buffer_info->dma) { | 4988 | if (buffer_info->dma) { |
4668 | u16 hlen = igb_get_hlen(adapter, rx_desc); | ||
4669 | pci_unmap_single(pdev, buffer_info->dma, | 4989 | pci_unmap_single(pdev, buffer_info->dma, |
4670 | adapter->rx_ps_hdr_size, | 4990 | rx_ring->rx_buffer_len, |
4671 | PCI_DMA_FROMDEVICE); | 4991 | PCI_DMA_FROMDEVICE); |
4672 | buffer_info->dma = 0; | 4992 | buffer_info->dma = 0; |
4673 | skb_put(skb, hlen); | 4993 | if (rx_ring->rx_buffer_len >= IGB_RXBUFFER_1024) { |
4994 | skb_put(skb, length); | ||
4995 | goto send_up; | ||
4996 | } | ||
4997 | skb_put(skb, igb_get_hlen(rx_ring, rx_desc)); | ||
4674 | } | 4998 | } |
4675 | 4999 | ||
4676 | if (length) { | 5000 | if (length) { |
@@ -4683,15 +5007,14 @@ static bool igb_clean_rx_irq_adv(struct igb_ring *rx_ring, | |||
4683 | buffer_info->page_offset, | 5007 | buffer_info->page_offset, |
4684 | length); | 5008 | length); |
4685 | 5009 | ||
4686 | if ((adapter->rx_buffer_len > (PAGE_SIZE / 2)) || | 5010 | if ((page_count(buffer_info->page) != 1) || |
4687 | (page_count(buffer_info->page) != 1)) | 5011 | (page_to_nid(buffer_info->page) != current_node)) |
4688 | buffer_info->page = NULL; | 5012 | buffer_info->page = NULL; |
4689 | else | 5013 | else |
4690 | get_page(buffer_info->page); | 5014 | get_page(buffer_info->page); |
4691 | 5015 | ||
4692 | skb->len += length; | 5016 | skb->len += length; |
4693 | skb->data_len += length; | 5017 | skb->data_len += length; |
4694 | |||
4695 | skb->truesize += length; | 5018 | skb->truesize += length; |
4696 | } | 5019 | } |
4697 | 5020 | ||
@@ -4703,60 +5026,24 @@ static bool igb_clean_rx_irq_adv(struct igb_ring *rx_ring, | |||
4703 | goto next_desc; | 5026 | goto next_desc; |
4704 | } | 5027 | } |
4705 | send_up: | 5028 | send_up: |
4706 | /* | ||
4707 | * If this bit is set, then the RX registers contain | ||
4708 | * the time stamp. No other packet will be time | ||
4709 | * stamped until we read these registers, so read the | ||
4710 | * registers to make them available again. Because | ||
4711 | * only one packet can be time stamped at a time, we | ||
4712 | * know that the register values must belong to this | ||
4713 | * one here and therefore we don't need to compare | ||
4714 | * any of the additional attributes stored for it. | ||
4715 | * | ||
4716 | * If nothing went wrong, then it should have a | ||
4717 | * skb_shared_tx that we can turn into a | ||
4718 | * skb_shared_hwtstamps. | ||
4719 | * | ||
4720 | * TODO: can time stamping be triggered (thus locking | ||
4721 | * the registers) without the packet reaching this point | ||
4722 | * here? In that case RX time stamping would get stuck. | ||
4723 | * | ||
4724 | * TODO: in "time stamp all packets" mode this bit is | ||
4725 | * not set. Need a global flag for this mode and then | ||
4726 | * always read the registers. Cannot be done without | ||
4727 | * a race condition. | ||
4728 | */ | ||
4729 | if (unlikely(staterr & E1000_RXD_STAT_TS)) { | ||
4730 | u64 regval; | ||
4731 | u64 ns; | ||
4732 | struct skb_shared_hwtstamps *shhwtstamps = | ||
4733 | skb_hwtstamps(skb); | ||
4734 | |||
4735 | WARN(!(rd32(E1000_TSYNCRXCTL) & E1000_TSYNCRXCTL_VALID), | ||
4736 | "igb: no RX time stamp available for time stamped packet"); | ||
4737 | regval = rd32(E1000_RXSTMPL); | ||
4738 | regval |= (u64)rd32(E1000_RXSTMPH) << 32; | ||
4739 | ns = timecounter_cyc2time(&adapter->clock, regval); | ||
4740 | timecompare_update(&adapter->compare, ns); | ||
4741 | memset(shhwtstamps, 0, sizeof(*shhwtstamps)); | ||
4742 | shhwtstamps->hwtstamp = ns_to_ktime(ns); | ||
4743 | shhwtstamps->syststamp = | ||
4744 | timecompare_transform(&adapter->compare, ns); | ||
4745 | } | ||
4746 | |||
4747 | if (staterr & E1000_RXDEXT_ERR_FRAME_ERR_MASK) { | 5029 | if (staterr & E1000_RXDEXT_ERR_FRAME_ERR_MASK) { |
4748 | dev_kfree_skb_irq(skb); | 5030 | dev_kfree_skb_irq(skb); |
4749 | goto next_desc; | 5031 | goto next_desc; |
4750 | } | 5032 | } |
4751 | 5033 | ||
5034 | igb_rx_hwtstamp(q_vector, staterr, skb); | ||
4752 | total_bytes += skb->len; | 5035 | total_bytes += skb->len; |
4753 | total_packets++; | 5036 | total_packets++; |
4754 | 5037 | ||
4755 | igb_rx_checksum_adv(adapter, staterr, skb); | 5038 | igb_rx_checksum_adv(rx_ring, staterr, skb); |
4756 | 5039 | ||
4757 | skb->protocol = eth_type_trans(skb, netdev); | 5040 | skb->protocol = eth_type_trans(skb, netdev); |
5041 | skb_record_rx_queue(skb, rx_ring->queue_index); | ||
4758 | 5042 | ||
4759 | igb_receive_skb(rx_ring, staterr, rx_desc, skb); | 5043 | vlan_tag = ((staterr & E1000_RXD_STAT_VP) ? |
5044 | le16_to_cpu(rx_desc->wb.upper.vlan) : 0); | ||
5045 | |||
5046 | igb_receive_skb(q_vector, skb, vlan_tag); | ||
4760 | 5047 | ||
4761 | next_desc: | 5048 | next_desc: |
4762 | rx_desc->wb.upper.status_error = 0; | 5049 | rx_desc->wb.upper.status_error = 0; |
@@ -4783,8 +5070,6 @@ next_desc: | |||
4783 | rx_ring->total_bytes += total_bytes; | 5070 | rx_ring->total_bytes += total_bytes; |
4784 | rx_ring->rx_stats.packets += total_packets; | 5071 | rx_ring->rx_stats.packets += total_packets; |
4785 | rx_ring->rx_stats.bytes += total_bytes; | 5072 | rx_ring->rx_stats.bytes += total_bytes; |
4786 | adapter->net_stats.rx_bytes += total_bytes; | ||
4787 | adapter->net_stats.rx_packets += total_packets; | ||
4788 | return cleaned; | 5073 | return cleaned; |
4789 | } | 5074 | } |
4790 | 5075 | ||
@@ -4792,12 +5077,9 @@ next_desc: | |||
4792 | * igb_alloc_rx_buffers_adv - Replace used receive buffers; packet split | 5077 | * igb_alloc_rx_buffers_adv - Replace used receive buffers; packet split |
4793 | * @adapter: address of board private structure | 5078 | * @adapter: address of board private structure |
4794 | **/ | 5079 | **/ |
4795 | static void igb_alloc_rx_buffers_adv(struct igb_ring *rx_ring, | 5080 | void igb_alloc_rx_buffers_adv(struct igb_ring *rx_ring, int cleaned_count) |
4796 | int cleaned_count) | ||
4797 | { | 5081 | { |
4798 | struct igb_adapter *adapter = rx_ring->adapter; | 5082 | struct net_device *netdev = rx_ring->netdev; |
4799 | struct net_device *netdev = adapter->netdev; | ||
4800 | struct pci_dev *pdev = adapter->pdev; | ||
4801 | union e1000_adv_rx_desc *rx_desc; | 5083 | union e1000_adv_rx_desc *rx_desc; |
4802 | struct igb_buffer *buffer_info; | 5084 | struct igb_buffer *buffer_info; |
4803 | struct sk_buff *skb; | 5085 | struct sk_buff *skb; |
@@ -4807,19 +5089,16 @@ static void igb_alloc_rx_buffers_adv(struct igb_ring *rx_ring, | |||
4807 | i = rx_ring->next_to_use; | 5089 | i = rx_ring->next_to_use; |
4808 | buffer_info = &rx_ring->buffer_info[i]; | 5090 | buffer_info = &rx_ring->buffer_info[i]; |
4809 | 5091 | ||
4810 | if (adapter->rx_ps_hdr_size) | 5092 | bufsz = rx_ring->rx_buffer_len; |
4811 | bufsz = adapter->rx_ps_hdr_size; | ||
4812 | else | ||
4813 | bufsz = adapter->rx_buffer_len; | ||
4814 | 5093 | ||
4815 | while (cleaned_count--) { | 5094 | while (cleaned_count--) { |
4816 | rx_desc = E1000_RX_DESC_ADV(*rx_ring, i); | 5095 | rx_desc = E1000_RX_DESC_ADV(*rx_ring, i); |
4817 | 5096 | ||
4818 | if (adapter->rx_ps_hdr_size && !buffer_info->page_dma) { | 5097 | if ((bufsz < IGB_RXBUFFER_1024) && !buffer_info->page_dma) { |
4819 | if (!buffer_info->page) { | 5098 | if (!buffer_info->page) { |
4820 | buffer_info->page = alloc_page(GFP_ATOMIC); | 5099 | buffer_info->page = netdev_alloc_page(netdev); |
4821 | if (!buffer_info->page) { | 5100 | if (!buffer_info->page) { |
4822 | adapter->alloc_rx_buff_failed++; | 5101 | rx_ring->rx_stats.alloc_failed++; |
4823 | goto no_buffers; | 5102 | goto no_buffers; |
4824 | } | 5103 | } |
4825 | buffer_info->page_offset = 0; | 5104 | buffer_info->page_offset = 0; |
@@ -4827,39 +5106,48 @@ static void igb_alloc_rx_buffers_adv(struct igb_ring *rx_ring, | |||
4827 | buffer_info->page_offset ^= PAGE_SIZE / 2; | 5106 | buffer_info->page_offset ^= PAGE_SIZE / 2; |
4828 | } | 5107 | } |
4829 | buffer_info->page_dma = | 5108 | buffer_info->page_dma = |
4830 | pci_map_page(pdev, buffer_info->page, | 5109 | pci_map_page(rx_ring->pdev, buffer_info->page, |
4831 | buffer_info->page_offset, | 5110 | buffer_info->page_offset, |
4832 | PAGE_SIZE / 2, | 5111 | PAGE_SIZE / 2, |
4833 | PCI_DMA_FROMDEVICE); | 5112 | PCI_DMA_FROMDEVICE); |
5113 | if (pci_dma_mapping_error(rx_ring->pdev, | ||
5114 | buffer_info->page_dma)) { | ||
5115 | buffer_info->page_dma = 0; | ||
5116 | rx_ring->rx_stats.alloc_failed++; | ||
5117 | goto no_buffers; | ||
5118 | } | ||
4834 | } | 5119 | } |
4835 | 5120 | ||
4836 | if (!buffer_info->skb) { | 5121 | skb = buffer_info->skb; |
4837 | skb = netdev_alloc_skb(netdev, bufsz + NET_IP_ALIGN); | 5122 | if (!skb) { |
5123 | skb = netdev_alloc_skb_ip_align(netdev, bufsz); | ||
4838 | if (!skb) { | 5124 | if (!skb) { |
4839 | adapter->alloc_rx_buff_failed++; | 5125 | rx_ring->rx_stats.alloc_failed++; |
4840 | goto no_buffers; | 5126 | goto no_buffers; |
4841 | } | 5127 | } |
4842 | 5128 | ||
4843 | /* Make buffer alignment 2 beyond a 16 byte boundary | ||
4844 | * this will result in a 16 byte aligned IP header after | ||
4845 | * the 14 byte MAC header is removed | ||
4846 | */ | ||
4847 | skb_reserve(skb, NET_IP_ALIGN); | ||
4848 | |||
4849 | buffer_info->skb = skb; | 5129 | buffer_info->skb = skb; |
4850 | buffer_info->dma = pci_map_single(pdev, skb->data, | 5130 | } |
5131 | if (!buffer_info->dma) { | ||
5132 | buffer_info->dma = pci_map_single(rx_ring->pdev, | ||
5133 | skb->data, | ||
4851 | bufsz, | 5134 | bufsz, |
4852 | PCI_DMA_FROMDEVICE); | 5135 | PCI_DMA_FROMDEVICE); |
5136 | if (pci_dma_mapping_error(rx_ring->pdev, | ||
5137 | buffer_info->dma)) { | ||
5138 | buffer_info->dma = 0; | ||
5139 | rx_ring->rx_stats.alloc_failed++; | ||
5140 | goto no_buffers; | ||
5141 | } | ||
4853 | } | 5142 | } |
4854 | /* Refresh the desc even if buffer_addrs didn't change because | 5143 | /* Refresh the desc even if buffer_addrs didn't change because |
4855 | * each write-back erases this info. */ | 5144 | * each write-back erases this info. */ |
4856 | if (adapter->rx_ps_hdr_size) { | 5145 | if (bufsz < IGB_RXBUFFER_1024) { |
4857 | rx_desc->read.pkt_addr = | 5146 | rx_desc->read.pkt_addr = |
4858 | cpu_to_le64(buffer_info->page_dma); | 5147 | cpu_to_le64(buffer_info->page_dma); |
4859 | rx_desc->read.hdr_addr = cpu_to_le64(buffer_info->dma); | 5148 | rx_desc->read.hdr_addr = cpu_to_le64(buffer_info->dma); |
4860 | } else { | 5149 | } else { |
4861 | rx_desc->read.pkt_addr = | 5150 | rx_desc->read.pkt_addr = cpu_to_le64(buffer_info->dma); |
4862 | cpu_to_le64(buffer_info->dma); | ||
4863 | rx_desc->read.hdr_addr = 0; | 5151 | rx_desc->read.hdr_addr = 0; |
4864 | } | 5152 | } |
4865 | 5153 | ||
@@ -4882,7 +5170,7 @@ no_buffers: | |||
4882 | * applicable for weak-ordered memory model archs, | 5170 | * applicable for weak-ordered memory model archs, |
4883 | * such as IA-64). */ | 5171 | * such as IA-64). */ |
4884 | wmb(); | 5172 | wmb(); |
4885 | writel(i, adapter->hw.hw_addr + rx_ring->tail); | 5173 | writel(i, rx_ring->tail); |
4886 | } | 5174 | } |
4887 | } | 5175 | } |
4888 | 5176 | ||
@@ -4941,13 +5229,11 @@ static int igb_hwtstamp_ioctl(struct net_device *netdev, | |||
4941 | struct igb_adapter *adapter = netdev_priv(netdev); | 5229 | struct igb_adapter *adapter = netdev_priv(netdev); |
4942 | struct e1000_hw *hw = &adapter->hw; | 5230 | struct e1000_hw *hw = &adapter->hw; |
4943 | struct hwtstamp_config config; | 5231 | struct hwtstamp_config config; |
4944 | u32 tsync_tx_ctl_bit = E1000_TSYNCTXCTL_ENABLED; | 5232 | u32 tsync_tx_ctl = E1000_TSYNCTXCTL_ENABLED; |
4945 | u32 tsync_rx_ctl_bit = E1000_TSYNCRXCTL_ENABLED; | 5233 | u32 tsync_rx_ctl = E1000_TSYNCRXCTL_ENABLED; |
4946 | u32 tsync_rx_ctl_type = 0; | ||
4947 | u32 tsync_rx_cfg = 0; | 5234 | u32 tsync_rx_cfg = 0; |
4948 | int is_l4 = 0; | 5235 | bool is_l4 = false; |
4949 | int is_l2 = 0; | 5236 | bool is_l2 = false; |
4950 | short port = 319; /* PTP */ | ||
4951 | u32 regval; | 5237 | u32 regval; |
4952 | 5238 | ||
4953 | if (copy_from_user(&config, ifr->ifr_data, sizeof(config))) | 5239 | if (copy_from_user(&config, ifr->ifr_data, sizeof(config))) |
@@ -4959,10 +5245,8 @@ static int igb_hwtstamp_ioctl(struct net_device *netdev, | |||
4959 | 5245 | ||
4960 | switch (config.tx_type) { | 5246 | switch (config.tx_type) { |
4961 | case HWTSTAMP_TX_OFF: | 5247 | case HWTSTAMP_TX_OFF: |
4962 | tsync_tx_ctl_bit = 0; | 5248 | tsync_tx_ctl = 0; |
4963 | break; | ||
4964 | case HWTSTAMP_TX_ON: | 5249 | case HWTSTAMP_TX_ON: |
4965 | tsync_tx_ctl_bit = E1000_TSYNCTXCTL_ENABLED; | ||
4966 | break; | 5250 | break; |
4967 | default: | 5251 | default: |
4968 | return -ERANGE; | 5252 | return -ERANGE; |
@@ -4970,7 +5254,7 @@ static int igb_hwtstamp_ioctl(struct net_device *netdev, | |||
4970 | 5254 | ||
4971 | switch (config.rx_filter) { | 5255 | switch (config.rx_filter) { |
4972 | case HWTSTAMP_FILTER_NONE: | 5256 | case HWTSTAMP_FILTER_NONE: |
4973 | tsync_rx_ctl_bit = 0; | 5257 | tsync_rx_ctl = 0; |
4974 | break; | 5258 | break; |
4975 | case HWTSTAMP_FILTER_PTP_V1_L4_EVENT: | 5259 | case HWTSTAMP_FILTER_PTP_V1_L4_EVENT: |
4976 | case HWTSTAMP_FILTER_PTP_V2_L4_EVENT: | 5260 | case HWTSTAMP_FILTER_PTP_V2_L4_EVENT: |
@@ -4981,86 +5265,97 @@ static int igb_hwtstamp_ioctl(struct net_device *netdev, | |||
4981 | * possible to time stamp both Sync and Delay_Req messages | 5265 | * possible to time stamp both Sync and Delay_Req messages |
4982 | * => fall back to time stamping all packets | 5266 | * => fall back to time stamping all packets |
4983 | */ | 5267 | */ |
4984 | tsync_rx_ctl_type = E1000_TSYNCRXCTL_TYPE_ALL; | 5268 | tsync_rx_ctl |= E1000_TSYNCRXCTL_TYPE_ALL; |
4985 | config.rx_filter = HWTSTAMP_FILTER_ALL; | 5269 | config.rx_filter = HWTSTAMP_FILTER_ALL; |
4986 | break; | 5270 | break; |
4987 | case HWTSTAMP_FILTER_PTP_V1_L4_SYNC: | 5271 | case HWTSTAMP_FILTER_PTP_V1_L4_SYNC: |
4988 | tsync_rx_ctl_type = E1000_TSYNCRXCTL_TYPE_L4_V1; | 5272 | tsync_rx_ctl |= E1000_TSYNCRXCTL_TYPE_L4_V1; |
4989 | tsync_rx_cfg = E1000_TSYNCRXCFG_PTP_V1_SYNC_MESSAGE; | 5273 | tsync_rx_cfg = E1000_TSYNCRXCFG_PTP_V1_SYNC_MESSAGE; |
4990 | is_l4 = 1; | 5274 | is_l4 = true; |
4991 | break; | 5275 | break; |
4992 | case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ: | 5276 | case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ: |
4993 | tsync_rx_ctl_type = E1000_TSYNCRXCTL_TYPE_L4_V1; | 5277 | tsync_rx_ctl |= E1000_TSYNCRXCTL_TYPE_L4_V1; |
4994 | tsync_rx_cfg = E1000_TSYNCRXCFG_PTP_V1_DELAY_REQ_MESSAGE; | 5278 | tsync_rx_cfg = E1000_TSYNCRXCFG_PTP_V1_DELAY_REQ_MESSAGE; |
4995 | is_l4 = 1; | 5279 | is_l4 = true; |
4996 | break; | 5280 | break; |
4997 | case HWTSTAMP_FILTER_PTP_V2_L2_SYNC: | 5281 | case HWTSTAMP_FILTER_PTP_V2_L2_SYNC: |
4998 | case HWTSTAMP_FILTER_PTP_V2_L4_SYNC: | 5282 | case HWTSTAMP_FILTER_PTP_V2_L4_SYNC: |
4999 | tsync_rx_ctl_type = E1000_TSYNCRXCTL_TYPE_L2_L4_V2; | 5283 | tsync_rx_ctl |= E1000_TSYNCRXCTL_TYPE_L2_L4_V2; |
5000 | tsync_rx_cfg = E1000_TSYNCRXCFG_PTP_V2_SYNC_MESSAGE; | 5284 | tsync_rx_cfg = E1000_TSYNCRXCFG_PTP_V2_SYNC_MESSAGE; |
5001 | is_l2 = 1; | 5285 | is_l2 = true; |
5002 | is_l4 = 1; | 5286 | is_l4 = true; |
5003 | config.rx_filter = HWTSTAMP_FILTER_SOME; | 5287 | config.rx_filter = HWTSTAMP_FILTER_SOME; |
5004 | break; | 5288 | break; |
5005 | case HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ: | 5289 | case HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ: |
5006 | case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ: | 5290 | case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ: |
5007 | tsync_rx_ctl_type = E1000_TSYNCRXCTL_TYPE_L2_L4_V2; | 5291 | tsync_rx_ctl |= E1000_TSYNCRXCTL_TYPE_L2_L4_V2; |
5008 | tsync_rx_cfg = E1000_TSYNCRXCFG_PTP_V2_DELAY_REQ_MESSAGE; | 5292 | tsync_rx_cfg = E1000_TSYNCRXCFG_PTP_V2_DELAY_REQ_MESSAGE; |
5009 | is_l2 = 1; | 5293 | is_l2 = true; |
5010 | is_l4 = 1; | 5294 | is_l4 = true; |
5011 | config.rx_filter = HWTSTAMP_FILTER_SOME; | 5295 | config.rx_filter = HWTSTAMP_FILTER_SOME; |
5012 | break; | 5296 | break; |
5013 | case HWTSTAMP_FILTER_PTP_V2_EVENT: | 5297 | case HWTSTAMP_FILTER_PTP_V2_EVENT: |
5014 | case HWTSTAMP_FILTER_PTP_V2_SYNC: | 5298 | case HWTSTAMP_FILTER_PTP_V2_SYNC: |
5015 | case HWTSTAMP_FILTER_PTP_V2_DELAY_REQ: | 5299 | case HWTSTAMP_FILTER_PTP_V2_DELAY_REQ: |
5016 | tsync_rx_ctl_type = E1000_TSYNCRXCTL_TYPE_EVENT_V2; | 5300 | tsync_rx_ctl |= E1000_TSYNCRXCTL_TYPE_EVENT_V2; |
5017 | config.rx_filter = HWTSTAMP_FILTER_PTP_V2_EVENT; | 5301 | config.rx_filter = HWTSTAMP_FILTER_PTP_V2_EVENT; |
5018 | is_l2 = 1; | 5302 | is_l2 = true; |
5019 | break; | 5303 | break; |
5020 | default: | 5304 | default: |
5021 | return -ERANGE; | 5305 | return -ERANGE; |
5022 | } | 5306 | } |
5023 | 5307 | ||
5308 | if (hw->mac.type == e1000_82575) { | ||
5309 | if (tsync_rx_ctl | tsync_tx_ctl) | ||
5310 | return -EINVAL; | ||
5311 | return 0; | ||
5312 | } | ||
5313 | |||
5024 | /* enable/disable TX */ | 5314 | /* enable/disable TX */ |
5025 | regval = rd32(E1000_TSYNCTXCTL); | 5315 | regval = rd32(E1000_TSYNCTXCTL); |
5026 | regval = (regval & ~E1000_TSYNCTXCTL_ENABLED) | tsync_tx_ctl_bit; | 5316 | regval &= ~E1000_TSYNCTXCTL_ENABLED; |
5317 | regval |= tsync_tx_ctl; | ||
5027 | wr32(E1000_TSYNCTXCTL, regval); | 5318 | wr32(E1000_TSYNCTXCTL, regval); |
5028 | 5319 | ||
5029 | /* enable/disable RX, define which PTP packets are time stamped */ | 5320 | /* enable/disable RX */ |
5030 | regval = rd32(E1000_TSYNCRXCTL); | 5321 | regval = rd32(E1000_TSYNCRXCTL); |
5031 | regval = (regval & ~E1000_TSYNCRXCTL_ENABLED) | tsync_rx_ctl_bit; | 5322 | regval &= ~(E1000_TSYNCRXCTL_ENABLED | E1000_TSYNCRXCTL_TYPE_MASK); |
5032 | regval = (regval & ~0xE) | tsync_rx_ctl_type; | 5323 | regval |= tsync_rx_ctl; |
5033 | wr32(E1000_TSYNCRXCTL, regval); | 5324 | wr32(E1000_TSYNCRXCTL, regval); |
5034 | wr32(E1000_TSYNCRXCFG, tsync_rx_cfg); | ||
5035 | 5325 | ||
5036 | /* | 5326 | /* define which PTP packets are time stamped */ |
5037 | * Ethertype Filter Queue Filter[0][15:0] = 0x88F7 | 5327 | wr32(E1000_TSYNCRXCFG, tsync_rx_cfg); |
5038 | * (Ethertype to filter on) | ||
5039 | * Ethertype Filter Queue Filter[0][26] = 0x1 (Enable filter) | ||
5040 | * Ethertype Filter Queue Filter[0][30] = 0x1 (Enable Timestamping) | ||
5041 | */ | ||
5042 | wr32(E1000_ETQF0, is_l2 ? 0x440088f7 : 0); | ||
5043 | |||
5044 | /* L4 Queue Filter[0]: only filter by source and destination port */ | ||
5045 | wr32(E1000_SPQF0, htons(port)); | ||
5046 | wr32(E1000_IMIREXT(0), is_l4 ? | ||
5047 | ((1<<12) | (1<<19) /* bypass size and control flags */) : 0); | ||
5048 | wr32(E1000_IMIR(0), is_l4 ? | ||
5049 | (htons(port) | ||
5050 | | (0<<16) /* immediate interrupt disabled */ | ||
5051 | | 0 /* (1<<17) bit cleared: do not bypass | ||
5052 | destination port check */) | ||
5053 | : 0); | ||
5054 | wr32(E1000_FTQF0, is_l4 ? | ||
5055 | (0x11 /* UDP */ | ||
5056 | | (1<<15) /* VF not compared */ | ||
5057 | | (1<<27) /* Enable Timestamping */ | ||
5058 | | (7<<28) /* only source port filter enabled, | ||
5059 | source/target address and protocol | ||
5060 | masked */) | ||
5061 | : ((1<<15) | (15<<28) /* all mask bits set = filter not | ||
5062 | enabled */)); | ||
5063 | 5328 | ||
5329 | /* define ethertype filter for timestamped packets */ | ||
5330 | if (is_l2) | ||
5331 | wr32(E1000_ETQF(3), | ||
5332 | (E1000_ETQF_FILTER_ENABLE | /* enable filter */ | ||
5333 | E1000_ETQF_1588 | /* enable timestamping */ | ||
5334 | ETH_P_1588)); /* 1588 eth protocol type */ | ||
5335 | else | ||
5336 | wr32(E1000_ETQF(3), 0); | ||
5337 | |||
5338 | #define PTP_PORT 319 | ||
5339 | /* L4 Queue Filter[3]: filter by destination port and protocol */ | ||
5340 | if (is_l4) { | ||
5341 | u32 ftqf = (IPPROTO_UDP /* UDP */ | ||
5342 | | E1000_FTQF_VF_BP /* VF not compared */ | ||
5343 | | E1000_FTQF_1588_TIME_STAMP /* Enable Timestamping */ | ||
5344 | | E1000_FTQF_MASK); /* mask all inputs */ | ||
5345 | ftqf &= ~E1000_FTQF_MASK_PROTO_BP; /* enable protocol check */ | ||
5346 | |||
5347 | wr32(E1000_IMIR(3), htons(PTP_PORT)); | ||
5348 | wr32(E1000_IMIREXT(3), | ||
5349 | (E1000_IMIREXT_SIZE_BP | E1000_IMIREXT_CTRL_BP)); | ||
5350 | if (hw->mac.type == e1000_82576) { | ||
5351 | /* enable source port check */ | ||
5352 | wr32(E1000_SPQF(3), htons(PTP_PORT)); | ||
5353 | ftqf &= ~E1000_FTQF_MASK_SOURCE_PORT_BP; | ||
5354 | } | ||
5355 | wr32(E1000_FTQF(3), ftqf); | ||
5356 | } else { | ||
5357 | wr32(E1000_FTQF(3), E1000_FTQF_MASK); | ||
5358 | } | ||
5064 | wrfl(); | 5359 | wrfl(); |
5065 | 5360 | ||
5066 | adapter->hwtstamp_config = config; | 5361 | adapter->hwtstamp_config = config; |
@@ -5137,21 +5432,15 @@ static void igb_vlan_rx_register(struct net_device *netdev, | |||
5137 | ctrl |= E1000_CTRL_VME; | 5432 | ctrl |= E1000_CTRL_VME; |
5138 | wr32(E1000_CTRL, ctrl); | 5433 | wr32(E1000_CTRL, ctrl); |
5139 | 5434 | ||
5140 | /* enable VLAN receive filtering */ | 5435 | /* Disable CFI check */ |
5141 | rctl = rd32(E1000_RCTL); | 5436 | rctl = rd32(E1000_RCTL); |
5142 | rctl &= ~E1000_RCTL_CFIEN; | 5437 | rctl &= ~E1000_RCTL_CFIEN; |
5143 | wr32(E1000_RCTL, rctl); | 5438 | wr32(E1000_RCTL, rctl); |
5144 | igb_update_mng_vlan(adapter); | ||
5145 | } else { | 5439 | } else { |
5146 | /* disable VLAN tag insert/strip */ | 5440 | /* disable VLAN tag insert/strip */ |
5147 | ctrl = rd32(E1000_CTRL); | 5441 | ctrl = rd32(E1000_CTRL); |
5148 | ctrl &= ~E1000_CTRL_VME; | 5442 | ctrl &= ~E1000_CTRL_VME; |
5149 | wr32(E1000_CTRL, ctrl); | 5443 | wr32(E1000_CTRL, ctrl); |
5150 | |||
5151 | if (adapter->mng_vlan_id != (u16)IGB_MNG_VLAN_NONE) { | ||
5152 | igb_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id); | ||
5153 | adapter->mng_vlan_id = IGB_MNG_VLAN_NONE; | ||
5154 | } | ||
5155 | } | 5444 | } |
5156 | 5445 | ||
5157 | igb_rlpml_set(adapter); | 5446 | igb_rlpml_set(adapter); |
@@ -5166,16 +5455,11 @@ static void igb_vlan_rx_add_vid(struct net_device *netdev, u16 vid) | |||
5166 | struct e1000_hw *hw = &adapter->hw; | 5455 | struct e1000_hw *hw = &adapter->hw; |
5167 | int pf_id = adapter->vfs_allocated_count; | 5456 | int pf_id = adapter->vfs_allocated_count; |
5168 | 5457 | ||
5169 | if ((hw->mng_cookie.status & | 5458 | /* attempt to add filter to vlvf array */ |
5170 | E1000_MNG_DHCP_COOKIE_STATUS_VLAN) && | 5459 | igb_vlvf_set(adapter, vid, true, pf_id); |
5171 | (vid == adapter->mng_vlan_id)) | ||
5172 | return; | ||
5173 | |||
5174 | /* add vid to vlvf if sr-iov is enabled, | ||
5175 | * if that fails add directly to filter table */ | ||
5176 | if (igb_vlvf_set(adapter, vid, true, pf_id)) | ||
5177 | igb_vfta_set(hw, vid, true); | ||
5178 | 5460 | ||
5461 | /* add the filter since PF can receive vlans w/o entry in vlvf */ | ||
5462 | igb_vfta_set(hw, vid, true); | ||
5179 | } | 5463 | } |
5180 | 5464 | ||
5181 | static void igb_vlan_rx_kill_vid(struct net_device *netdev, u16 vid) | 5465 | static void igb_vlan_rx_kill_vid(struct net_device *netdev, u16 vid) |
@@ -5183,6 +5467,7 @@ static void igb_vlan_rx_kill_vid(struct net_device *netdev, u16 vid) | |||
5183 | struct igb_adapter *adapter = netdev_priv(netdev); | 5467 | struct igb_adapter *adapter = netdev_priv(netdev); |
5184 | struct e1000_hw *hw = &adapter->hw; | 5468 | struct e1000_hw *hw = &adapter->hw; |
5185 | int pf_id = adapter->vfs_allocated_count; | 5469 | int pf_id = adapter->vfs_allocated_count; |
5470 | s32 err; | ||
5186 | 5471 | ||
5187 | igb_irq_disable(adapter); | 5472 | igb_irq_disable(adapter); |
5188 | vlan_group_set_device(adapter->vlgrp, vid, NULL); | 5473 | vlan_group_set_device(adapter->vlgrp, vid, NULL); |
@@ -5190,17 +5475,11 @@ static void igb_vlan_rx_kill_vid(struct net_device *netdev, u16 vid) | |||
5190 | if (!test_bit(__IGB_DOWN, &adapter->state)) | 5475 | if (!test_bit(__IGB_DOWN, &adapter->state)) |
5191 | igb_irq_enable(adapter); | 5476 | igb_irq_enable(adapter); |
5192 | 5477 | ||
5193 | if ((adapter->hw.mng_cookie.status & | 5478 | /* remove vlan from VLVF table array */ |
5194 | E1000_MNG_DHCP_COOKIE_STATUS_VLAN) && | 5479 | err = igb_vlvf_set(adapter, vid, false, pf_id); |
5195 | (vid == adapter->mng_vlan_id)) { | ||
5196 | /* release control to f/w */ | ||
5197 | igb_release_hw_control(adapter); | ||
5198 | return; | ||
5199 | } | ||
5200 | 5480 | ||
5201 | /* remove vid from vlvf if sr-iov is enabled, | 5481 | /* if vid was not present in VLVF just remove it from table */ |
5202 | * if not in vlvf remove from vfta */ | 5482 | if (err) |
5203 | if (igb_vlvf_set(adapter, vid, false, pf_id)) | ||
5204 | igb_vfta_set(hw, vid, false); | 5483 | igb_vfta_set(hw, vid, false); |
5205 | } | 5484 | } |
5206 | 5485 | ||
@@ -5220,6 +5499,7 @@ static void igb_restore_vlan(struct igb_adapter *adapter) | |||
5220 | 5499 | ||
5221 | int igb_set_spd_dplx(struct igb_adapter *adapter, u16 spddplx) | 5500 | int igb_set_spd_dplx(struct igb_adapter *adapter, u16 spddplx) |
5222 | { | 5501 | { |
5502 | struct pci_dev *pdev = adapter->pdev; | ||
5223 | struct e1000_mac_info *mac = &adapter->hw.mac; | 5503 | struct e1000_mac_info *mac = &adapter->hw.mac; |
5224 | 5504 | ||
5225 | mac->autoneg = 0; | 5505 | mac->autoneg = 0; |
@@ -5243,8 +5523,7 @@ int igb_set_spd_dplx(struct igb_adapter *adapter, u16 spddplx) | |||
5243 | break; | 5523 | break; |
5244 | case SPEED_1000 + DUPLEX_HALF: /* not supported */ | 5524 | case SPEED_1000 + DUPLEX_HALF: /* not supported */ |
5245 | default: | 5525 | default: |
5246 | dev_err(&adapter->pdev->dev, | 5526 | dev_err(&pdev->dev, "Unsupported Speed/Duplex configuration\n"); |
5247 | "Unsupported Speed/Duplex configuration\n"); | ||
5248 | return -EINVAL; | 5527 | return -EINVAL; |
5249 | } | 5528 | } |
5250 | return 0; | 5529 | return 0; |
@@ -5266,9 +5545,7 @@ static int __igb_shutdown(struct pci_dev *pdev, bool *enable_wake) | |||
5266 | if (netif_running(netdev)) | 5545 | if (netif_running(netdev)) |
5267 | igb_close(netdev); | 5546 | igb_close(netdev); |
5268 | 5547 | ||
5269 | igb_reset_interrupt_capability(adapter); | 5548 | igb_clear_interrupt_scheme(adapter); |
5270 | |||
5271 | igb_free_queues(adapter); | ||
5272 | 5549 | ||
5273 | #ifdef CONFIG_PM | 5550 | #ifdef CONFIG_PM |
5274 | retval = pci_save_state(pdev); | 5551 | retval = pci_save_state(pdev); |
@@ -5300,7 +5577,7 @@ static int __igb_shutdown(struct pci_dev *pdev, bool *enable_wake) | |||
5300 | wr32(E1000_CTRL, ctrl); | 5577 | wr32(E1000_CTRL, ctrl); |
5301 | 5578 | ||
5302 | /* Allow time for pending master requests to run */ | 5579 | /* Allow time for pending master requests to run */ |
5303 | igb_disable_pcie_master(&adapter->hw); | 5580 | igb_disable_pcie_master(hw); |
5304 | 5581 | ||
5305 | wr32(E1000_WUC, E1000_WUC_PME_EN); | 5582 | wr32(E1000_WUC, E1000_WUC_PME_EN); |
5306 | wr32(E1000_WUFC, wufc); | 5583 | wr32(E1000_WUFC, wufc); |
@@ -5363,9 +5640,7 @@ static int igb_resume(struct pci_dev *pdev) | |||
5363 | pci_enable_wake(pdev, PCI_D3hot, 0); | 5640 | pci_enable_wake(pdev, PCI_D3hot, 0); |
5364 | pci_enable_wake(pdev, PCI_D3cold, 0); | 5641 | pci_enable_wake(pdev, PCI_D3cold, 0); |
5365 | 5642 | ||
5366 | igb_set_interrupt_capability(adapter); | 5643 | if (igb_init_interrupt_scheme(adapter)) { |
5367 | |||
5368 | if (igb_alloc_queues(adapter)) { | ||
5369 | dev_err(&pdev->dev, "Unable to allocate memory for queues\n"); | 5644 | dev_err(&pdev->dev, "Unable to allocate memory for queues\n"); |
5370 | return -ENOMEM; | 5645 | return -ENOMEM; |
5371 | } | 5646 | } |
@@ -5417,22 +5692,16 @@ static void igb_netpoll(struct net_device *netdev) | |||
5417 | int i; | 5692 | int i; |
5418 | 5693 | ||
5419 | if (!adapter->msix_entries) { | 5694 | if (!adapter->msix_entries) { |
5695 | struct igb_q_vector *q_vector = adapter->q_vector[0]; | ||
5420 | igb_irq_disable(adapter); | 5696 | igb_irq_disable(adapter); |
5421 | napi_schedule(&adapter->rx_ring[0].napi); | 5697 | napi_schedule(&q_vector->napi); |
5422 | return; | 5698 | return; |
5423 | } | 5699 | } |
5424 | 5700 | ||
5425 | for (i = 0; i < adapter->num_tx_queues; i++) { | 5701 | for (i = 0; i < adapter->num_q_vectors; i++) { |
5426 | struct igb_ring *tx_ring = &adapter->tx_ring[i]; | 5702 | struct igb_q_vector *q_vector = adapter->q_vector[i]; |
5427 | wr32(E1000_EIMC, tx_ring->eims_value); | 5703 | wr32(E1000_EIMC, q_vector->eims_value); |
5428 | igb_clean_tx_irq(tx_ring); | 5704 | napi_schedule(&q_vector->napi); |
5429 | wr32(E1000_EIMS, tx_ring->eims_value); | ||
5430 | } | ||
5431 | |||
5432 | for (i = 0; i < adapter->num_rx_queues; i++) { | ||
5433 | struct igb_ring *rx_ring = &adapter->rx_ring[i]; | ||
5434 | wr32(E1000_EIMC, rx_ring->eims_value); | ||
5435 | napi_schedule(&rx_ring->napi); | ||
5436 | } | 5705 | } |
5437 | } | 5706 | } |
5438 | #endif /* CONFIG_NET_POLL_CONTROLLER */ | 5707 | #endif /* CONFIG_NET_POLL_CONTROLLER */ |
@@ -5532,6 +5801,33 @@ static void igb_io_resume(struct pci_dev *pdev) | |||
5532 | igb_get_hw_control(adapter); | 5801 | igb_get_hw_control(adapter); |
5533 | } | 5802 | } |
5534 | 5803 | ||
5804 | static void igb_rar_set_qsel(struct igb_adapter *adapter, u8 *addr, u32 index, | ||
5805 | u8 qsel) | ||
5806 | { | ||
5807 | u32 rar_low, rar_high; | ||
5808 | struct e1000_hw *hw = &adapter->hw; | ||
5809 | |||
5810 | /* HW expects these in little endian so we reverse the byte order | ||
5811 | * from network order (big endian) to little endian | ||
5812 | */ | ||
5813 | rar_low = ((u32) addr[0] | ((u32) addr[1] << 8) | | ||
5814 | ((u32) addr[2] << 16) | ((u32) addr[3] << 24)); | ||
5815 | rar_high = ((u32) addr[4] | ((u32) addr[5] << 8)); | ||
5816 | |||
5817 | /* Indicate to hardware the Address is Valid. */ | ||
5818 | rar_high |= E1000_RAH_AV; | ||
5819 | |||
5820 | if (hw->mac.type == e1000_82575) | ||
5821 | rar_high |= E1000_RAH_POOL_1 * qsel; | ||
5822 | else | ||
5823 | rar_high |= E1000_RAH_POOL_1 << qsel; | ||
5824 | |||
5825 | wr32(E1000_RAL(index), rar_low); | ||
5826 | wrfl(); | ||
5827 | wr32(E1000_RAH(index), rar_high); | ||
5828 | wrfl(); | ||
5829 | } | ||
5830 | |||
5535 | static int igb_set_vf_mac(struct igb_adapter *adapter, | 5831 | static int igb_set_vf_mac(struct igb_adapter *adapter, |
5536 | int vf, unsigned char *mac_addr) | 5832 | int vf, unsigned char *mac_addr) |
5537 | { | 5833 | { |
@@ -5542,8 +5838,7 @@ static int igb_set_vf_mac(struct igb_adapter *adapter, | |||
5542 | 5838 | ||
5543 | memcpy(adapter->vf_data[vf].vf_mac_addresses, mac_addr, ETH_ALEN); | 5839 | memcpy(adapter->vf_data[vf].vf_mac_addresses, mac_addr, ETH_ALEN); |
5544 | 5840 | ||
5545 | igb_rar_set(hw, mac_addr, rar_entry); | 5841 | igb_rar_set_qsel(adapter, mac_addr, rar_entry, vf); |
5546 | igb_set_rah_pool(hw, vf, rar_entry); | ||
5547 | 5842 | ||
5548 | return 0; | 5843 | return 0; |
5549 | } | 5844 | } |
@@ -5551,19 +5846,29 @@ static int igb_set_vf_mac(struct igb_adapter *adapter, | |||
5551 | static void igb_vmm_control(struct igb_adapter *adapter) | 5846 | static void igb_vmm_control(struct igb_adapter *adapter) |
5552 | { | 5847 | { |
5553 | struct e1000_hw *hw = &adapter->hw; | 5848 | struct e1000_hw *hw = &adapter->hw; |
5554 | u32 reg_data; | 5849 | u32 reg; |
5555 | 5850 | ||
5556 | if (!adapter->vfs_allocated_count) | 5851 | /* replication is not supported for 82575 */ |
5852 | if (hw->mac.type == e1000_82575) | ||
5557 | return; | 5853 | return; |
5558 | 5854 | ||
5559 | /* VF's need PF reset indication before they | 5855 | /* enable replication vlan tag stripping */ |
5560 | * can send/receive mail */ | 5856 | reg = rd32(E1000_RPLOLR); |
5561 | reg_data = rd32(E1000_CTRL_EXT); | 5857 | reg |= E1000_RPLOLR_STRVLAN; |
5562 | reg_data |= E1000_CTRL_EXT_PFRSTD; | 5858 | wr32(E1000_RPLOLR, reg); |
5563 | wr32(E1000_CTRL_EXT, reg_data); | ||
5564 | 5859 | ||
5565 | igb_vmdq_set_loopback_pf(hw, true); | 5860 | /* notify HW that the MAC is adding vlan tags */ |
5566 | igb_vmdq_set_replication_pf(hw, true); | 5861 | reg = rd32(E1000_DTXCTL); |
5862 | reg |= E1000_DTXCTL_VLAN_ADDED; | ||
5863 | wr32(E1000_DTXCTL, reg); | ||
5864 | |||
5865 | if (adapter->vfs_allocated_count) { | ||
5866 | igb_vmdq_set_loopback_pf(hw, true); | ||
5867 | igb_vmdq_set_replication_pf(hw, true); | ||
5868 | } else { | ||
5869 | igb_vmdq_set_loopback_pf(hw, false); | ||
5870 | igb_vmdq_set_replication_pf(hw, false); | ||
5871 | } | ||
5567 | } | 5872 | } |
5568 | 5873 | ||
5569 | /* igb_main.c */ | 5874 | /* igb_main.c */ |