1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2019-2020 Intel Corporation
8 #include <rte_string_fns.h>
10 #include <rte_bus_pci.h>
11 #include <ethdev_driver.h>
12 #include <ethdev_pci.h>
13 #include <rte_malloc.h>
14 #include <rte_alarm.h>
18 #include "igc_filter.h"
21 #define IGC_INTEL_VENDOR_ID 0x8086
24 * The overhead from MTU to max frame size.
25 * Considering VLAN so tag needs to be counted.
27 #define IGC_ETH_OVERHEAD (RTE_ETHER_HDR_LEN + \
28 RTE_ETHER_CRC_LEN + VLAN_TAG_SIZE)
30 #define IGC_FC_PAUSE_TIME 0x0680
31 #define IGC_LINK_UPDATE_CHECK_TIMEOUT 90 /* 9s */
32 #define IGC_LINK_UPDATE_CHECK_INTERVAL 100 /* ms */
34 #define IGC_MISC_VEC_ID RTE_INTR_VEC_ZERO_OFFSET
35 #define IGC_RX_VEC_START RTE_INTR_VEC_RXTX_OFFSET
36 #define IGC_MSIX_OTHER_INTR_VEC 0 /* MSI-X other interrupt vector */
37 #define IGC_FLAG_NEED_LINK_UPDATE (1u << 0) /* need update link */
39 #define IGC_DEFAULT_RX_FREE_THRESH 32
41 #define IGC_DEFAULT_RX_PTHRESH 8
42 #define IGC_DEFAULT_RX_HTHRESH 8
43 #define IGC_DEFAULT_RX_WTHRESH 4
45 #define IGC_DEFAULT_TX_PTHRESH 8
46 #define IGC_DEFAULT_TX_HTHRESH 1
47 #define IGC_DEFAULT_TX_WTHRESH 16
49 /* MSI-X other interrupt vector */
50 #define IGC_MSIX_OTHER_INTR_VEC 0
52 /* External VLAN Enable bit mask */
53 #define IGC_CTRL_EXT_EXT_VLAN (1u << 26)
56 #define IGC_CTRL_SPEED_MASK (7u << 8)
57 #define IGC_CTRL_SPEED_2500 (6u << 8)
59 /* External VLAN Ether Type bit mask and shift */
60 #define IGC_VET_EXT 0xFFFF0000
61 #define IGC_VET_EXT_SHIFT 16
63 /* Force EEE Auto-negotiation */
64 #define IGC_EEER_EEE_FRC_AN (1u << 28)
66 /* Per Queue Good Packets Received Count */
67 #define IGC_PQGPRC(idx) (0x10010 + 0x100 * (idx))
68 /* Per Queue Good Octets Received Count */
69 #define IGC_PQGORC(idx) (0x10018 + 0x100 * (idx))
70 /* Per Queue Good Octets Transmitted Count */
71 #define IGC_PQGOTC(idx) (0x10034 + 0x100 * (idx))
72 /* Per Queue Multicast Packets Received Count */
73 #define IGC_PQMPRC(idx) (0x10038 + 0x100 * (idx))
74 /* Transmit Queue Drop Packet Count */
75 #define IGC_TQDPC(idx) (0xe030 + 0x40 * (idx))
77 #if RTE_BYTE_ORDER == RTE_LITTLE_ENDIAN
78 #define U32_0_IN_U64 0 /* lower bytes of u64 */
79 #define U32_1_IN_U64 1 /* higher bytes of u64 */
81 #define U32_0_IN_U64 1
82 #define U32_1_IN_U64 0
85 #define IGC_ALARM_INTERVAL 8000000u
86 /* us, about 13.6s some per-queue registers will wrap around back to 0. */
88 static const struct rte_eth_desc_lim rx_desc_lim = {
89 .nb_max = IGC_MAX_RXD,
90 .nb_min = IGC_MIN_RXD,
91 .nb_align = IGC_RXD_ALIGN,
94 static const struct rte_eth_desc_lim tx_desc_lim = {
95 .nb_max = IGC_MAX_TXD,
96 .nb_min = IGC_MIN_TXD,
97 .nb_align = IGC_TXD_ALIGN,
98 .nb_seg_max = IGC_TX_MAX_SEG,
99 .nb_mtu_seg_max = IGC_TX_MAX_MTU_SEG,
102 static const struct rte_pci_id pci_id_igc_map[] = {
103 { RTE_PCI_DEVICE(IGC_INTEL_VENDOR_ID, IGC_DEV_ID_I225_LM) },
104 { RTE_PCI_DEVICE(IGC_INTEL_VENDOR_ID, IGC_DEV_ID_I225_V) },
105 { RTE_PCI_DEVICE(IGC_INTEL_VENDOR_ID, IGC_DEV_ID_I225_I) },
106 { RTE_PCI_DEVICE(IGC_INTEL_VENDOR_ID, IGC_DEV_ID_I225_K) },
107 { .vendor_id = 0, /* sentinel */ },
110 /* store statistics names and its offset in stats structure */
111 struct rte_igc_xstats_name_off {
112 char name[RTE_ETH_XSTATS_NAME_SIZE];
116 static const struct rte_igc_xstats_name_off rte_igc_stats_strings[] = {
117 {"rx_crc_errors", offsetof(struct igc_hw_stats, crcerrs)},
118 {"rx_align_errors", offsetof(struct igc_hw_stats, algnerrc)},
119 {"rx_errors", offsetof(struct igc_hw_stats, rxerrc)},
120 {"rx_missed_packets", offsetof(struct igc_hw_stats, mpc)},
121 {"tx_single_collision_packets", offsetof(struct igc_hw_stats, scc)},
122 {"tx_multiple_collision_packets", offsetof(struct igc_hw_stats, mcc)},
123 {"tx_excessive_collision_packets", offsetof(struct igc_hw_stats,
125 {"tx_late_collisions", offsetof(struct igc_hw_stats, latecol)},
126 {"tx_total_collisions", offsetof(struct igc_hw_stats, colc)},
127 {"tx_deferred_packets", offsetof(struct igc_hw_stats, dc)},
128 {"tx_no_carrier_sense_packets", offsetof(struct igc_hw_stats, tncrs)},
129 {"tx_discarded_packets", offsetof(struct igc_hw_stats, htdpmc)},
130 {"rx_length_errors", offsetof(struct igc_hw_stats, rlec)},
131 {"rx_xon_packets", offsetof(struct igc_hw_stats, xonrxc)},
132 {"tx_xon_packets", offsetof(struct igc_hw_stats, xontxc)},
133 {"rx_xoff_packets", offsetof(struct igc_hw_stats, xoffrxc)},
134 {"tx_xoff_packets", offsetof(struct igc_hw_stats, xofftxc)},
135 {"rx_flow_control_unsupported_packets", offsetof(struct igc_hw_stats,
137 {"rx_size_64_packets", offsetof(struct igc_hw_stats, prc64)},
138 {"rx_size_65_to_127_packets", offsetof(struct igc_hw_stats, prc127)},
139 {"rx_size_128_to_255_packets", offsetof(struct igc_hw_stats, prc255)},
140 {"rx_size_256_to_511_packets", offsetof(struct igc_hw_stats, prc511)},
141 {"rx_size_512_to_1023_packets", offsetof(struct igc_hw_stats,
143 {"rx_size_1024_to_max_packets", offsetof(struct igc_hw_stats,
145 {"rx_broadcast_packets", offsetof(struct igc_hw_stats, bprc)},
146 {"rx_multicast_packets", offsetof(struct igc_hw_stats, mprc)},
147 {"rx_undersize_errors", offsetof(struct igc_hw_stats, ruc)},
148 {"rx_fragment_errors", offsetof(struct igc_hw_stats, rfc)},
149 {"rx_oversize_errors", offsetof(struct igc_hw_stats, roc)},
150 {"rx_jabber_errors", offsetof(struct igc_hw_stats, rjc)},
151 {"rx_no_buffers", offsetof(struct igc_hw_stats, rnbc)},
152 {"rx_management_packets", offsetof(struct igc_hw_stats, mgprc)},
153 {"rx_management_dropped", offsetof(struct igc_hw_stats, mgpdc)},
154 {"tx_management_packets", offsetof(struct igc_hw_stats, mgptc)},
155 {"rx_total_packets", offsetof(struct igc_hw_stats, tpr)},
156 {"tx_total_packets", offsetof(struct igc_hw_stats, tpt)},
157 {"rx_total_bytes", offsetof(struct igc_hw_stats, tor)},
158 {"tx_total_bytes", offsetof(struct igc_hw_stats, tot)},
159 {"tx_size_64_packets", offsetof(struct igc_hw_stats, ptc64)},
160 {"tx_size_65_to_127_packets", offsetof(struct igc_hw_stats, ptc127)},
161 {"tx_size_128_to_255_packets", offsetof(struct igc_hw_stats, ptc255)},
162 {"tx_size_256_to_511_packets", offsetof(struct igc_hw_stats, ptc511)},
163 {"tx_size_512_to_1023_packets", offsetof(struct igc_hw_stats,
165 {"tx_size_1023_to_max_packets", offsetof(struct igc_hw_stats,
167 {"tx_multicast_packets", offsetof(struct igc_hw_stats, mptc)},
168 {"tx_broadcast_packets", offsetof(struct igc_hw_stats, bptc)},
169 {"tx_tso_packets", offsetof(struct igc_hw_stats, tsctc)},
170 {"rx_sent_to_host_packets", offsetof(struct igc_hw_stats, rpthc)},
171 {"tx_sent_by_host_packets", offsetof(struct igc_hw_stats, hgptc)},
172 {"interrupt_assert_count", offsetof(struct igc_hw_stats, iac)},
173 {"rx_descriptor_lower_threshold",
174 offsetof(struct igc_hw_stats, icrxdmtc)},
177 #define IGC_NB_XSTATS (sizeof(rte_igc_stats_strings) / \
178 sizeof(rte_igc_stats_strings[0]))
180 static int eth_igc_configure(struct rte_eth_dev *dev);
181 static int eth_igc_link_update(struct rte_eth_dev *dev, int wait_to_complete);
182 static int eth_igc_stop(struct rte_eth_dev *dev);
183 static int eth_igc_start(struct rte_eth_dev *dev);
184 static int eth_igc_set_link_up(struct rte_eth_dev *dev);
185 static int eth_igc_set_link_down(struct rte_eth_dev *dev);
186 static int eth_igc_close(struct rte_eth_dev *dev);
187 static int eth_igc_reset(struct rte_eth_dev *dev);
188 static int eth_igc_promiscuous_enable(struct rte_eth_dev *dev);
189 static int eth_igc_promiscuous_disable(struct rte_eth_dev *dev);
190 static int eth_igc_fw_version_get(struct rte_eth_dev *dev,
191 char *fw_version, size_t fw_size);
192 static int eth_igc_infos_get(struct rte_eth_dev *dev,
193 struct rte_eth_dev_info *dev_info);
194 static int eth_igc_led_on(struct rte_eth_dev *dev);
195 static int eth_igc_led_off(struct rte_eth_dev *dev);
196 static const uint32_t *eth_igc_supported_ptypes_get(struct rte_eth_dev *dev);
197 static int eth_igc_rar_set(struct rte_eth_dev *dev,
198 struct rte_ether_addr *mac_addr, uint32_t index, uint32_t pool);
199 static void eth_igc_rar_clear(struct rte_eth_dev *dev, uint32_t index);
200 static int eth_igc_default_mac_addr_set(struct rte_eth_dev *dev,
201 struct rte_ether_addr *addr);
202 static int eth_igc_set_mc_addr_list(struct rte_eth_dev *dev,
203 struct rte_ether_addr *mc_addr_set,
204 uint32_t nb_mc_addr);
205 static int eth_igc_allmulticast_enable(struct rte_eth_dev *dev);
206 static int eth_igc_allmulticast_disable(struct rte_eth_dev *dev);
207 static int eth_igc_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
208 static int eth_igc_stats_get(struct rte_eth_dev *dev,
209 struct rte_eth_stats *rte_stats);
210 static int eth_igc_xstats_get(struct rte_eth_dev *dev,
211 struct rte_eth_xstat *xstats, unsigned int n);
212 static int eth_igc_xstats_get_by_id(struct rte_eth_dev *dev,
214 uint64_t *values, unsigned int n);
215 static int eth_igc_xstats_get_names(struct rte_eth_dev *dev,
216 struct rte_eth_xstat_name *xstats_names,
218 static int eth_igc_xstats_get_names_by_id(struct rte_eth_dev *dev,
219 struct rte_eth_xstat_name *xstats_names, const uint64_t *ids,
221 static int eth_igc_xstats_reset(struct rte_eth_dev *dev);
223 eth_igc_queue_stats_mapping_set(struct rte_eth_dev *dev,
224 uint16_t queue_id, uint8_t stat_idx, uint8_t is_rx);
226 eth_igc_rx_queue_intr_disable(struct rte_eth_dev *dev, uint16_t queue_id);
228 eth_igc_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id);
230 eth_igc_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf);
232 eth_igc_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf);
233 static int eth_igc_rss_reta_update(struct rte_eth_dev *dev,
234 struct rte_eth_rss_reta_entry64 *reta_conf,
236 static int eth_igc_rss_reta_query(struct rte_eth_dev *dev,
237 struct rte_eth_rss_reta_entry64 *reta_conf,
239 static int eth_igc_rss_hash_update(struct rte_eth_dev *dev,
240 struct rte_eth_rss_conf *rss_conf);
241 static int eth_igc_rss_hash_conf_get(struct rte_eth_dev *dev,
242 struct rte_eth_rss_conf *rss_conf);
244 eth_igc_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on);
245 static int eth_igc_vlan_offload_set(struct rte_eth_dev *dev, int mask);
246 static int eth_igc_vlan_tpid_set(struct rte_eth_dev *dev,
247 enum rte_vlan_type vlan_type, uint16_t tpid);
249 static const struct eth_dev_ops eth_igc_ops = {
250 .dev_configure = eth_igc_configure,
251 .link_update = eth_igc_link_update,
252 .dev_stop = eth_igc_stop,
253 .dev_start = eth_igc_start,
254 .dev_close = eth_igc_close,
255 .dev_reset = eth_igc_reset,
256 .dev_set_link_up = eth_igc_set_link_up,
257 .dev_set_link_down = eth_igc_set_link_down,
258 .promiscuous_enable = eth_igc_promiscuous_enable,
259 .promiscuous_disable = eth_igc_promiscuous_disable,
260 .allmulticast_enable = eth_igc_allmulticast_enable,
261 .allmulticast_disable = eth_igc_allmulticast_disable,
262 .fw_version_get = eth_igc_fw_version_get,
263 .dev_infos_get = eth_igc_infos_get,
264 .dev_led_on = eth_igc_led_on,
265 .dev_led_off = eth_igc_led_off,
266 .dev_supported_ptypes_get = eth_igc_supported_ptypes_get,
267 .mtu_set = eth_igc_mtu_set,
268 .mac_addr_add = eth_igc_rar_set,
269 .mac_addr_remove = eth_igc_rar_clear,
270 .mac_addr_set = eth_igc_default_mac_addr_set,
271 .set_mc_addr_list = eth_igc_set_mc_addr_list,
273 .rx_queue_setup = eth_igc_rx_queue_setup,
274 .rx_queue_release = eth_igc_rx_queue_release,
275 .tx_queue_setup = eth_igc_tx_queue_setup,
276 .tx_queue_release = eth_igc_tx_queue_release,
277 .tx_done_cleanup = eth_igc_tx_done_cleanup,
278 .rxq_info_get = eth_igc_rxq_info_get,
279 .txq_info_get = eth_igc_txq_info_get,
280 .stats_get = eth_igc_stats_get,
281 .xstats_get = eth_igc_xstats_get,
282 .xstats_get_by_id = eth_igc_xstats_get_by_id,
283 .xstats_get_names_by_id = eth_igc_xstats_get_names_by_id,
284 .xstats_get_names = eth_igc_xstats_get_names,
285 .stats_reset = eth_igc_xstats_reset,
286 .xstats_reset = eth_igc_xstats_reset,
287 .queue_stats_mapping_set = eth_igc_queue_stats_mapping_set,
288 .rx_queue_intr_enable = eth_igc_rx_queue_intr_enable,
289 .rx_queue_intr_disable = eth_igc_rx_queue_intr_disable,
290 .flow_ctrl_get = eth_igc_flow_ctrl_get,
291 .flow_ctrl_set = eth_igc_flow_ctrl_set,
292 .reta_update = eth_igc_rss_reta_update,
293 .reta_query = eth_igc_rss_reta_query,
294 .rss_hash_update = eth_igc_rss_hash_update,
295 .rss_hash_conf_get = eth_igc_rss_hash_conf_get,
296 .vlan_filter_set = eth_igc_vlan_filter_set,
297 .vlan_offload_set = eth_igc_vlan_offload_set,
298 .vlan_tpid_set = eth_igc_vlan_tpid_set,
299 .vlan_strip_queue_set = eth_igc_vlan_strip_queue_set,
300 .flow_ops_get = eth_igc_flow_ops_get,
304 * multiple queue mode checking
307 igc_check_mq_mode(struct rte_eth_dev *dev)
309 enum rte_eth_rx_mq_mode rx_mq_mode = dev->data->dev_conf.rxmode.mq_mode;
310 enum rte_eth_tx_mq_mode tx_mq_mode = dev->data->dev_conf.txmode.mq_mode;
312 if (RTE_ETH_DEV_SRIOV(dev).active != 0) {
313 PMD_INIT_LOG(ERR, "SRIOV is not supported.");
317 if (rx_mq_mode != ETH_MQ_RX_NONE &&
318 rx_mq_mode != ETH_MQ_RX_RSS) {
319 /* RSS together with VMDq not supported*/
320 PMD_INIT_LOG(ERR, "RX mode %d is not supported.",
325 /* To no break software that set invalid mode, only display
326 * warning if invalid mode is used.
328 if (tx_mq_mode != ETH_MQ_TX_NONE)
329 PMD_INIT_LOG(WARNING,
330 "TX mode %d is not supported. Due to meaningless in this driver, just ignore",
337 eth_igc_configure(struct rte_eth_dev *dev)
339 struct igc_interrupt *intr = IGC_DEV_PRIVATE_INTR(dev);
342 PMD_INIT_FUNC_TRACE();
344 if (dev->data->dev_conf.rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG)
345 dev->data->dev_conf.rxmode.offloads |= DEV_RX_OFFLOAD_RSS_HASH;
347 ret = igc_check_mq_mode(dev);
351 intr->flags |= IGC_FLAG_NEED_LINK_UPDATE;
356 eth_igc_set_link_up(struct rte_eth_dev *dev)
358 struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
360 if (hw->phy.media_type == igc_media_type_copper)
361 igc_power_up_phy(hw);
363 igc_power_up_fiber_serdes_link(hw);
368 eth_igc_set_link_down(struct rte_eth_dev *dev)
370 struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
372 if (hw->phy.media_type == igc_media_type_copper)
373 igc_power_down_phy(hw);
375 igc_shutdown_fiber_serdes_link(hw);
380 * disable other interrupt
383 igc_intr_other_disable(struct rte_eth_dev *dev)
385 struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
386 struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
387 struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
389 if (rte_intr_allow_others(intr_handle) &&
390 dev->data->dev_conf.intr_conf.lsc) {
391 IGC_WRITE_REG(hw, IGC_EIMC, 1u << IGC_MSIX_OTHER_INTR_VEC);
394 IGC_WRITE_REG(hw, IGC_IMC, ~0);
399 * enable other interrupt
402 igc_intr_other_enable(struct rte_eth_dev *dev)
404 struct igc_interrupt *intr = IGC_DEV_PRIVATE_INTR(dev);
405 struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
406 struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
407 struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
409 if (rte_intr_allow_others(intr_handle) &&
410 dev->data->dev_conf.intr_conf.lsc) {
411 IGC_WRITE_REG(hw, IGC_EIMS, 1u << IGC_MSIX_OTHER_INTR_VEC);
414 IGC_WRITE_REG(hw, IGC_IMS, intr->mask);
419 * It reads ICR and gets interrupt causes, check it and set a bit flag
420 * to update link status.
423 eth_igc_interrupt_get_status(struct rte_eth_dev *dev)
426 struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
427 struct igc_interrupt *intr = IGC_DEV_PRIVATE_INTR(dev);
429 /* read-on-clear nic registers here */
430 icr = IGC_READ_REG(hw, IGC_ICR);
433 if (icr & IGC_ICR_LSC)
434 intr->flags |= IGC_FLAG_NEED_LINK_UPDATE;
437 /* return 0 means link status changed, -1 means not changed */
439 eth_igc_link_update(struct rte_eth_dev *dev, int wait_to_complete)
441 struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
442 struct rte_eth_link link;
443 int link_check, count;
446 hw->mac.get_link_status = 1;
448 /* possible wait-to-complete in up to 9 seconds */
449 for (count = 0; count < IGC_LINK_UPDATE_CHECK_TIMEOUT; count++) {
450 /* Read the real link status */
451 switch (hw->phy.media_type) {
452 case igc_media_type_copper:
453 /* Do the work to read phy */
454 igc_check_for_link(hw);
455 link_check = !hw->mac.get_link_status;
458 case igc_media_type_fiber:
459 igc_check_for_link(hw);
460 link_check = (IGC_READ_REG(hw, IGC_STATUS) &
464 case igc_media_type_internal_serdes:
465 igc_check_for_link(hw);
466 link_check = hw->mac.serdes_has_link;
472 if (link_check || wait_to_complete == 0)
474 rte_delay_ms(IGC_LINK_UPDATE_CHECK_INTERVAL);
476 memset(&link, 0, sizeof(link));
478 /* Now we check if a transition has happened */
480 uint16_t duplex, speed;
481 hw->mac.ops.get_link_up_info(hw, &speed, &duplex);
482 link.link_duplex = (duplex == FULL_DUPLEX) ?
483 ETH_LINK_FULL_DUPLEX :
484 ETH_LINK_HALF_DUPLEX;
485 link.link_speed = speed;
486 link.link_status = ETH_LINK_UP;
487 link.link_autoneg = !(dev->data->dev_conf.link_speeds &
488 ETH_LINK_SPEED_FIXED);
490 if (speed == SPEED_2500) {
491 uint32_t tipg = IGC_READ_REG(hw, IGC_TIPG);
492 if ((tipg & IGC_TIPG_IPGT_MASK) != 0x0b) {
493 tipg &= ~IGC_TIPG_IPGT_MASK;
495 IGC_WRITE_REG(hw, IGC_TIPG, tipg);
500 link.link_duplex = ETH_LINK_HALF_DUPLEX;
501 link.link_status = ETH_LINK_DOWN;
502 link.link_autoneg = ETH_LINK_FIXED;
505 return rte_eth_linkstatus_set(dev, &link);
509 * It executes link_update after knowing an interrupt is present.
512 eth_igc_interrupt_action(struct rte_eth_dev *dev)
514 struct igc_interrupt *intr = IGC_DEV_PRIVATE_INTR(dev);
515 struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
516 struct rte_eth_link link;
519 if (intr->flags & IGC_FLAG_NEED_LINK_UPDATE) {
520 intr->flags &= ~IGC_FLAG_NEED_LINK_UPDATE;
522 /* set get_link_status to check register later */
523 ret = eth_igc_link_update(dev, 0);
525 /* check if link has changed */
529 rte_eth_linkstatus_get(dev, &link);
530 if (link.link_status)
532 " Port %d: Link Up - speed %u Mbps - %s",
534 (unsigned int)link.link_speed,
535 link.link_duplex == ETH_LINK_FULL_DUPLEX ?
536 "full-duplex" : "half-duplex");
538 PMD_DRV_LOG(INFO, " Port %d: Link Down",
541 PMD_DRV_LOG(DEBUG, "PCI Address: " PCI_PRI_FMT,
542 pci_dev->addr.domain,
545 pci_dev->addr.function);
546 rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_LSC, NULL);
551 * Interrupt handler which shall be registered at first.
554 * Pointer to interrupt handle.
556 * The address of parameter (struct rte_eth_dev *) registered before.
559 eth_igc_interrupt_handler(void *param)
561 struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
563 eth_igc_interrupt_get_status(dev);
564 eth_igc_interrupt_action(dev);
567 static void igc_read_queue_stats_register(struct rte_eth_dev *dev);
570 * Update the queue status every IGC_ALARM_INTERVAL time.
572 * The address of parameter (struct rte_eth_dev *) registered before.
575 igc_update_queue_stats_handler(void *param)
577 struct rte_eth_dev *dev = param;
578 igc_read_queue_stats_register(dev);
579 rte_eal_alarm_set(IGC_ALARM_INTERVAL,
580 igc_update_queue_stats_handler, dev);
584 * rx,tx enable/disable
587 eth_igc_rxtx_control(struct rte_eth_dev *dev, bool enable)
589 struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
592 tctl = IGC_READ_REG(hw, IGC_TCTL);
593 rctl = IGC_READ_REG(hw, IGC_RCTL);
601 tctl &= ~IGC_TCTL_EN;
602 rctl &= ~IGC_RCTL_EN;
604 IGC_WRITE_REG(hw, IGC_TCTL, tctl);
605 IGC_WRITE_REG(hw, IGC_RCTL, rctl);
610 * This routine disables all traffic on the adapter by issuing a
611 * global reset on the MAC.
614 eth_igc_stop(struct rte_eth_dev *dev)
616 struct igc_adapter *adapter = IGC_DEV_PRIVATE(dev);
617 struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
618 struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
619 struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
620 struct rte_eth_link link;
622 dev->data->dev_started = 0;
623 adapter->stopped = 1;
625 /* disable receive and transmit */
626 eth_igc_rxtx_control(dev, false);
628 /* disable all MSI-X interrupts */
629 IGC_WRITE_REG(hw, IGC_EIMC, 0x1f);
632 /* clear all MSI-X interrupts */
633 IGC_WRITE_REG(hw, IGC_EICR, 0x1f);
635 igc_intr_other_disable(dev);
637 rte_eal_alarm_cancel(igc_update_queue_stats_handler, dev);
639 /* disable intr eventfd mapping */
640 rte_intr_disable(intr_handle);
644 /* disable all wake up */
645 IGC_WRITE_REG(hw, IGC_WUC, 0);
647 /* disable checking EEE operation in MAC loopback mode */
648 igc_read_reg_check_clear_bits(hw, IGC_EEER, IGC_EEER_EEE_FRC_AN);
650 /* Set bit for Go Link disconnect */
651 igc_read_reg_check_set_bits(hw, IGC_82580_PHY_POWER_MGMT,
652 IGC_82580_PM_GO_LINKD);
654 /* Power down the phy. Needed to make the link go Down */
655 eth_igc_set_link_down(dev);
657 igc_dev_clear_queues(dev);
659 /* clear the recorded link status */
660 memset(&link, 0, sizeof(link));
661 rte_eth_linkstatus_set(dev, &link);
663 if (!rte_intr_allow_others(intr_handle))
664 /* resume to the default handler */
665 rte_intr_callback_register(intr_handle,
666 eth_igc_interrupt_handler,
669 /* Clean datapath event and queue/vec mapping */
670 rte_intr_efd_disable(intr_handle);
671 if (intr_handle->intr_vec != NULL) {
672 rte_free(intr_handle->intr_vec);
673 intr_handle->intr_vec = NULL;
680 * write interrupt vector allocation register
682 * board private structure
684 * queue index, valid 0,1,2,3
688 * msix-vector, valid 0,1,2,3,4
691 igc_write_ivar(struct igc_hw *hw, uint8_t queue_index,
692 bool tx, uint8_t msix_vector)
695 uint8_t reg_index = queue_index >> 1;
700 * bit31...24 bit23...16 bit15...8 bit7...0
704 * bit31...24 bit23...16 bit15...8 bit7...0
714 val = IGC_READ_REG_ARRAY(hw, IGC_IVAR0, reg_index);
717 val &= ~((uint32_t)0xFF << offset);
719 /* write vector and valid bit */
720 val |= (uint32_t)(msix_vector | IGC_IVAR_VALID) << offset;
722 IGC_WRITE_REG_ARRAY(hw, IGC_IVAR0, reg_index, val);
725 /* Sets up the hardware to generate MSI-X interrupts properly
727 * board private structure
730 igc_configure_msix_intr(struct rte_eth_dev *dev)
732 struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
733 struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
734 struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
737 uint32_t vec = IGC_MISC_VEC_ID;
738 uint32_t base = IGC_MISC_VEC_ID;
739 uint32_t misc_shift = 0;
742 /* won't configure msix register if no mapping is done
743 * between intr vector and event fd
745 if (!rte_intr_dp_is_en(intr_handle))
748 if (rte_intr_allow_others(intr_handle)) {
749 base = IGC_RX_VEC_START;
754 /* turn on MSI-X capability first */
755 IGC_WRITE_REG(hw, IGC_GPIE, IGC_GPIE_MSIX_MODE |
756 IGC_GPIE_PBA | IGC_GPIE_EIAME |
758 intr_mask = RTE_LEN2MASK(intr_handle->nb_efd, uint32_t) <<
761 if (dev->data->dev_conf.intr_conf.lsc)
762 intr_mask |= (1u << IGC_MSIX_OTHER_INTR_VEC);
764 /* enable msix auto-clear */
765 igc_read_reg_check_set_bits(hw, IGC_EIAC, intr_mask);
767 /* set other cause interrupt vector */
768 igc_read_reg_check_set_bits(hw, IGC_IVAR_MISC,
769 (uint32_t)(IGC_MSIX_OTHER_INTR_VEC | IGC_IVAR_VALID) << 8);
771 /* enable auto-mask */
772 igc_read_reg_check_set_bits(hw, IGC_EIAM, intr_mask);
774 for (i = 0; i < dev->data->nb_rx_queues; i++) {
775 igc_write_ivar(hw, i, 0, vec);
776 intr_handle->intr_vec[i] = vec;
777 if (vec < base + intr_handle->nb_efd - 1)
785 * It enables the interrupt mask and then enable the interrupt.
788 * Pointer to struct rte_eth_dev.
793 igc_lsc_interrupt_setup(struct rte_eth_dev *dev, uint8_t on)
795 struct igc_interrupt *intr = IGC_DEV_PRIVATE_INTR(dev);
798 intr->mask |= IGC_ICR_LSC;
800 intr->mask &= ~IGC_ICR_LSC;
804 * It enables the interrupt.
805 * It will be called once only during nic initialized.
808 igc_rxq_interrupt_setup(struct rte_eth_dev *dev)
811 struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
812 struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
813 struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
814 int misc_shift = rte_intr_allow_others(intr_handle) ? 1 : 0;
816 /* won't configure msix register if no mapping is done
817 * between intr vector and event fd
819 if (!rte_intr_dp_is_en(intr_handle))
822 mask = RTE_LEN2MASK(intr_handle->nb_efd, uint32_t) << misc_shift;
823 IGC_WRITE_REG(hw, IGC_EIMS, mask);
827 * Get hardware rx-buffer size.
830 igc_get_rx_buffer_size(struct igc_hw *hw)
832 return (IGC_READ_REG(hw, IGC_RXPBS) & 0x3f) << 10;
836 * igc_hw_control_acquire sets CTRL_EXT:DRV_LOAD bit.
837 * For ASF and Pass Through versions of f/w this means
838 * that the driver is loaded.
841 igc_hw_control_acquire(struct igc_hw *hw)
845 /* Let firmware know the driver has taken over */
846 ctrl_ext = IGC_READ_REG(hw, IGC_CTRL_EXT);
847 IGC_WRITE_REG(hw, IGC_CTRL_EXT, ctrl_ext | IGC_CTRL_EXT_DRV_LOAD);
851 * igc_hw_control_release resets CTRL_EXT:DRV_LOAD bit.
852 * For ASF and Pass Through versions of f/w this means that the
853 * driver is no longer loaded.
856 igc_hw_control_release(struct igc_hw *hw)
860 /* Let firmware taken over control of h/w */
861 ctrl_ext = IGC_READ_REG(hw, IGC_CTRL_EXT);
862 IGC_WRITE_REG(hw, IGC_CTRL_EXT,
863 ctrl_ext & ~IGC_CTRL_EXT_DRV_LOAD);
867 igc_hardware_init(struct igc_hw *hw)
869 uint32_t rx_buf_size;
872 /* Let the firmware know the OS is in control */
873 igc_hw_control_acquire(hw);
875 /* Issue a global reset */
878 /* disable all wake up */
879 IGC_WRITE_REG(hw, IGC_WUC, 0);
882 * Hardware flow control
883 * - High water mark should allow for at least two standard size (1518)
884 * frames to be received after sending an XOFF.
885 * - Low water mark works best when it is very near the high water mark.
886 * This allows the receiver to restart by sending XON when it has
887 * drained a bit. Here we use an arbitrary value of 1500 which will
888 * restart after one full frame is pulled from the buffer. There
889 * could be several smaller frames in the buffer and if so they will
890 * not trigger the XON until their total number reduces the buffer
893 rx_buf_size = igc_get_rx_buffer_size(hw);
894 hw->fc.high_water = rx_buf_size - (RTE_ETHER_MAX_LEN * 2);
895 hw->fc.low_water = hw->fc.high_water - 1500;
896 hw->fc.pause_time = IGC_FC_PAUSE_TIME;
898 hw->fc.requested_mode = igc_fc_full;
900 diag = igc_init_hw(hw);
904 igc_get_phy_info(hw);
905 igc_check_for_link(hw);
911 eth_igc_start(struct rte_eth_dev *dev)
913 struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
914 struct igc_adapter *adapter = IGC_DEV_PRIVATE(dev);
915 struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
916 struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
920 PMD_INIT_FUNC_TRACE();
922 /* disable all MSI-X interrupts */
923 IGC_WRITE_REG(hw, IGC_EIMC, 0x1f);
926 /* clear all MSI-X interrupts */
927 IGC_WRITE_REG(hw, IGC_EICR, 0x1f);
929 /* disable uio/vfio intr/eventfd mapping */
930 if (!adapter->stopped)
931 rte_intr_disable(intr_handle);
933 /* Power up the phy. Needed to make the link go Up */
934 eth_igc_set_link_up(dev);
936 /* Put the address into the Receive Address Array */
937 igc_rar_set(hw, hw->mac.addr, 0);
939 /* Initialize the hardware */
940 if (igc_hardware_init(hw)) {
941 PMD_DRV_LOG(ERR, "Unable to initialize the hardware");
944 adapter->stopped = 0;
946 /* check and configure queue intr-vector mapping */
947 if (rte_intr_cap_multiple(intr_handle) &&
948 dev->data->dev_conf.intr_conf.rxq) {
949 uint32_t intr_vector = dev->data->nb_rx_queues;
950 if (rte_intr_efd_enable(intr_handle, intr_vector))
954 if (rte_intr_dp_is_en(intr_handle) && !intr_handle->intr_vec) {
955 intr_handle->intr_vec = rte_zmalloc("intr_vec",
956 dev->data->nb_rx_queues * sizeof(int), 0);
957 if (intr_handle->intr_vec == NULL) {
959 "Failed to allocate %d rx_queues intr_vec",
960 dev->data->nb_rx_queues);
965 /* configure msix for rx interrupt */
966 igc_configure_msix_intr(dev);
970 /* This can fail when allocating mbufs for descriptor rings */
971 ret = igc_rx_init(dev);
973 PMD_DRV_LOG(ERR, "Unable to initialize RX hardware");
974 igc_dev_clear_queues(dev);
978 igc_clear_hw_cntrs_base_generic(hw);
980 /* VLAN Offload Settings */
981 eth_igc_vlan_offload_set(dev,
982 ETH_VLAN_STRIP_MASK | ETH_VLAN_FILTER_MASK |
983 ETH_VLAN_EXTEND_MASK);
985 /* Setup link speed and duplex */
986 speeds = &dev->data->dev_conf.link_speeds;
987 if (*speeds == ETH_LINK_SPEED_AUTONEG) {
988 hw->phy.autoneg_advertised = IGC_ALL_SPEED_DUPLEX_2500;
992 bool autoneg = (*speeds & ETH_LINK_SPEED_FIXED) == 0;
995 hw->phy.autoneg_advertised = 0;
997 if (*speeds & ~(ETH_LINK_SPEED_10M_HD | ETH_LINK_SPEED_10M |
998 ETH_LINK_SPEED_100M_HD | ETH_LINK_SPEED_100M |
999 ETH_LINK_SPEED_1G | ETH_LINK_SPEED_2_5G |
1000 ETH_LINK_SPEED_FIXED)) {
1002 goto error_invalid_config;
1004 if (*speeds & ETH_LINK_SPEED_10M_HD) {
1005 hw->phy.autoneg_advertised |= ADVERTISE_10_HALF;
1008 if (*speeds & ETH_LINK_SPEED_10M) {
1009 hw->phy.autoneg_advertised |= ADVERTISE_10_FULL;
1012 if (*speeds & ETH_LINK_SPEED_100M_HD) {
1013 hw->phy.autoneg_advertised |= ADVERTISE_100_HALF;
1016 if (*speeds & ETH_LINK_SPEED_100M) {
1017 hw->phy.autoneg_advertised |= ADVERTISE_100_FULL;
1020 if (*speeds & ETH_LINK_SPEED_1G) {
1021 hw->phy.autoneg_advertised |= ADVERTISE_1000_FULL;
1024 if (*speeds & ETH_LINK_SPEED_2_5G) {
1025 hw->phy.autoneg_advertised |= ADVERTISE_2500_FULL;
1028 if (num_speeds == 0 || (!autoneg && num_speeds > 1))
1029 goto error_invalid_config;
1031 /* Set/reset the mac.autoneg based on the link speed,
1035 hw->mac.autoneg = 0;
1036 hw->mac.forced_speed_duplex =
1037 hw->phy.autoneg_advertised;
1039 hw->mac.autoneg = 1;
1045 if (rte_intr_allow_others(intr_handle)) {
1046 /* check if lsc interrupt is enabled */
1047 if (dev->data->dev_conf.intr_conf.lsc)
1048 igc_lsc_interrupt_setup(dev, 1);
1050 igc_lsc_interrupt_setup(dev, 0);
1052 rte_intr_callback_unregister(intr_handle,
1053 eth_igc_interrupt_handler,
1055 if (dev->data->dev_conf.intr_conf.lsc)
1057 "LSC won't enable because of no intr multiplex");
1060 /* enable uio/vfio intr/eventfd mapping */
1061 rte_intr_enable(intr_handle);
1063 rte_eal_alarm_set(IGC_ALARM_INTERVAL,
1064 igc_update_queue_stats_handler, dev);
1066 /* check if rxq interrupt is enabled */
1067 if (dev->data->dev_conf.intr_conf.rxq &&
1068 rte_intr_dp_is_en(intr_handle))
1069 igc_rxq_interrupt_setup(dev);
1071 /* resume enabled intr since hw reset */
1072 igc_intr_other_enable(dev);
1074 eth_igc_rxtx_control(dev, true);
1075 eth_igc_link_update(dev, 0);
1077 /* configure MAC-loopback mode */
1078 if (dev->data->dev_conf.lpbk_mode == 1) {
1081 reg_val = IGC_READ_REG(hw, IGC_CTRL);
1082 reg_val &= ~IGC_CTRL_SPEED_MASK;
1083 reg_val |= IGC_CTRL_SLU | IGC_CTRL_FRCSPD |
1084 IGC_CTRL_FRCDPX | IGC_CTRL_FD | IGC_CTRL_SPEED_2500;
1085 IGC_WRITE_REG(hw, IGC_CTRL, reg_val);
1087 igc_read_reg_check_set_bits(hw, IGC_EEER, IGC_EEER_EEE_FRC_AN);
1092 error_invalid_config:
1093 PMD_DRV_LOG(ERR, "Invalid advertised speeds (%u) for port %u",
1094 dev->data->dev_conf.link_speeds, dev->data->port_id);
1095 igc_dev_clear_queues(dev);
1100 igc_reset_swfw_lock(struct igc_hw *hw)
1105 * Do mac ops initialization manually here, since we will need
1106 * some function pointers set by this call.
1108 ret_val = igc_init_mac_params(hw);
1113 * SMBI lock should not fail in this early stage. If this is the case,
1114 * it is due to an improper exit of the application.
1115 * So force the release of the faulty lock.
1117 if (igc_get_hw_semaphore_generic(hw) < 0)
1118 PMD_DRV_LOG(DEBUG, "SMBI lock released");
1120 igc_put_hw_semaphore_generic(hw);
1122 if (hw->mac.ops.acquire_swfw_sync != NULL) {
1126 * Phy lock should not fail in this early stage.
1127 * If this is the case, it is due to an improper exit of the
1128 * application. So force the release of the faulty lock.
1130 mask = IGC_SWFW_PHY0_SM;
1131 if (hw->mac.ops.acquire_swfw_sync(hw, mask) < 0) {
1132 PMD_DRV_LOG(DEBUG, "SWFW phy%d lock released",
1135 hw->mac.ops.release_swfw_sync(hw, mask);
1138 * This one is more tricky since it is common to all ports; but
1139 * swfw_sync retries last long enough (1s) to be almost sure
1140 * that if lock can not be taken it is due to an improper lock
1143 mask = IGC_SWFW_EEP_SM;
1144 if (hw->mac.ops.acquire_swfw_sync(hw, mask) < 0)
1145 PMD_DRV_LOG(DEBUG, "SWFW common locks released");
1147 hw->mac.ops.release_swfw_sync(hw, mask);
1154 * free all rx/tx queues.
1157 igc_dev_free_queues(struct rte_eth_dev *dev)
1161 for (i = 0; i < dev->data->nb_rx_queues; i++) {
1162 eth_igc_rx_queue_release(dev->data->rx_queues[i]);
1163 dev->data->rx_queues[i] = NULL;
1165 dev->data->nb_rx_queues = 0;
1167 for (i = 0; i < dev->data->nb_tx_queues; i++) {
1168 eth_igc_tx_queue_release(dev->data->tx_queues[i]);
1169 dev->data->tx_queues[i] = NULL;
1171 dev->data->nb_tx_queues = 0;
1175 eth_igc_close(struct rte_eth_dev *dev)
1177 struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1178 struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1179 struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
1180 struct igc_adapter *adapter = IGC_DEV_PRIVATE(dev);
1184 PMD_INIT_FUNC_TRACE();
1185 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1188 if (!adapter->stopped)
1189 ret = eth_igc_stop(dev);
1191 igc_flow_flush(dev, NULL);
1192 igc_clear_all_filter(dev);
1194 igc_intr_other_disable(dev);
1196 int ret = rte_intr_callback_unregister(intr_handle,
1197 eth_igc_interrupt_handler, dev);
1198 if (ret >= 0 || ret == -ENOENT || ret == -EINVAL)
1201 PMD_DRV_LOG(ERR, "intr callback unregister failed: %d", ret);
1202 DELAY(200 * 1000); /* delay 200ms */
1203 } while (retry++ < 5);
1205 igc_phy_hw_reset(hw);
1206 igc_hw_control_release(hw);
1207 igc_dev_free_queues(dev);
1209 /* Reset any pending lock */
1210 igc_reset_swfw_lock(hw);
1216 igc_identify_hardware(struct rte_eth_dev *dev, struct rte_pci_device *pci_dev)
1218 struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
1220 hw->vendor_id = pci_dev->id.vendor_id;
1221 hw->device_id = pci_dev->id.device_id;
1222 hw->subsystem_vendor_id = pci_dev->id.subsystem_vendor_id;
1223 hw->subsystem_device_id = pci_dev->id.subsystem_device_id;
1227 eth_igc_dev_init(struct rte_eth_dev *dev)
1229 struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1230 struct igc_adapter *igc = IGC_DEV_PRIVATE(dev);
1231 struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
1234 PMD_INIT_FUNC_TRACE();
1235 dev->dev_ops = ð_igc_ops;
1236 dev->rx_descriptor_done = eth_igc_rx_descriptor_done;
1237 dev->rx_queue_count = eth_igc_rx_queue_count;
1238 dev->rx_descriptor_status = eth_igc_rx_descriptor_status;
1239 dev->tx_descriptor_status = eth_igc_tx_descriptor_status;
1242 * for secondary processes, we don't initialize any further as primary
1243 * has already done this work. Only check we don't need a different
1246 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1249 rte_eth_copy_pci_info(dev, pci_dev);
1250 dev->data->dev_flags |= RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS;
1253 hw->hw_addr = (void *)pci_dev->mem_resource[0].addr;
1255 igc_identify_hardware(dev, pci_dev);
1256 if (igc_setup_init_funcs(hw, false) != IGC_SUCCESS) {
1261 igc_get_bus_info(hw);
1263 /* Reset any pending lock */
1264 if (igc_reset_swfw_lock(hw) != IGC_SUCCESS) {
1269 /* Finish initialization */
1270 if (igc_setup_init_funcs(hw, true) != IGC_SUCCESS) {
1275 hw->mac.autoneg = 1;
1276 hw->phy.autoneg_wait_to_complete = 0;
1277 hw->phy.autoneg_advertised = IGC_ALL_SPEED_DUPLEX_2500;
1279 /* Copper options */
1280 if (hw->phy.media_type == igc_media_type_copper) {
1281 hw->phy.mdix = 0; /* AUTO_ALL_MODES */
1282 hw->phy.disable_polarity_correction = 0;
1283 hw->phy.ms_type = igc_ms_hw_default;
1287 * Start from a known state, this is important in reading the nvm
1288 * and mac from that.
1292 /* Make sure we have a good EEPROM before we read from it */
1293 if (igc_validate_nvm_checksum(hw) < 0) {
1295 * Some PCI-E parts fail the first check due to
1296 * the link being in sleep state, call it again,
1297 * if it fails a second time its a real issue.
1299 if (igc_validate_nvm_checksum(hw) < 0) {
1300 PMD_INIT_LOG(ERR, "EEPROM checksum invalid");
1306 /* Read the permanent MAC address out of the EEPROM */
1307 if (igc_read_mac_addr(hw) != 0) {
1308 PMD_INIT_LOG(ERR, "EEPROM error while reading MAC address");
1313 /* Allocate memory for storing MAC addresses */
1314 dev->data->mac_addrs = rte_zmalloc("igc",
1315 RTE_ETHER_ADDR_LEN * hw->mac.rar_entry_count, 0);
1316 if (dev->data->mac_addrs == NULL) {
1317 PMD_INIT_LOG(ERR, "Failed to allocate %d bytes for storing MAC",
1318 RTE_ETHER_ADDR_LEN * hw->mac.rar_entry_count);
1323 /* Copy the permanent MAC address */
1324 rte_ether_addr_copy((struct rte_ether_addr *)hw->mac.addr,
1325 &dev->data->mac_addrs[0]);
1327 /* Now initialize the hardware */
1328 if (igc_hardware_init(hw) != 0) {
1329 PMD_INIT_LOG(ERR, "Hardware initialization failed");
1330 rte_free(dev->data->mac_addrs);
1331 dev->data->mac_addrs = NULL;
1336 hw->mac.get_link_status = 1;
1339 /* Indicate SOL/IDER usage */
1340 if (igc_check_reset_block(hw) < 0)
1342 "PHY reset is blocked due to SOL/IDER session.");
1344 PMD_INIT_LOG(DEBUG, "port_id %d vendorID=0x%x deviceID=0x%x",
1345 dev->data->port_id, pci_dev->id.vendor_id,
1346 pci_dev->id.device_id);
1348 rte_intr_callback_register(&pci_dev->intr_handle,
1349 eth_igc_interrupt_handler, (void *)dev);
1351 /* enable uio/vfio intr/eventfd mapping */
1352 rte_intr_enable(&pci_dev->intr_handle);
1354 /* enable support intr */
1355 igc_intr_other_enable(dev);
1357 /* initiate queue status */
1358 for (i = 0; i < IGC_QUEUE_PAIRS_NUM; i++) {
1359 igc->txq_stats_map[i] = -1;
1360 igc->rxq_stats_map[i] = -1;
1364 igc_clear_all_filter(dev);
1368 igc_hw_control_release(hw);
1373 eth_igc_dev_uninit(__rte_unused struct rte_eth_dev *eth_dev)
1375 PMD_INIT_FUNC_TRACE();
1376 eth_igc_close(eth_dev);
1381 eth_igc_reset(struct rte_eth_dev *dev)
1385 PMD_INIT_FUNC_TRACE();
1387 ret = eth_igc_dev_uninit(dev);
1391 return eth_igc_dev_init(dev);
1395 eth_igc_promiscuous_enable(struct rte_eth_dev *dev)
1397 struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
1400 rctl = IGC_READ_REG(hw, IGC_RCTL);
1401 rctl |= (IGC_RCTL_UPE | IGC_RCTL_MPE);
1402 IGC_WRITE_REG(hw, IGC_RCTL, rctl);
1407 eth_igc_promiscuous_disable(struct rte_eth_dev *dev)
1409 struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
1412 rctl = IGC_READ_REG(hw, IGC_RCTL);
1413 rctl &= (~IGC_RCTL_UPE);
1414 if (dev->data->all_multicast == 1)
1415 rctl |= IGC_RCTL_MPE;
1417 rctl &= (~IGC_RCTL_MPE);
1418 IGC_WRITE_REG(hw, IGC_RCTL, rctl);
1423 eth_igc_allmulticast_enable(struct rte_eth_dev *dev)
1425 struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
1428 rctl = IGC_READ_REG(hw, IGC_RCTL);
1429 rctl |= IGC_RCTL_MPE;
1430 IGC_WRITE_REG(hw, IGC_RCTL, rctl);
1435 eth_igc_allmulticast_disable(struct rte_eth_dev *dev)
1437 struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
1440 if (dev->data->promiscuous == 1)
1441 return 0; /* must remain in all_multicast mode */
1443 rctl = IGC_READ_REG(hw, IGC_RCTL);
1444 rctl &= (~IGC_RCTL_MPE);
1445 IGC_WRITE_REG(hw, IGC_RCTL, rctl);
1450 eth_igc_fw_version_get(struct rte_eth_dev *dev, char *fw_version,
1453 struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
1454 struct igc_fw_version fw;
1457 igc_get_fw_version(hw, &fw);
1459 /* if option rom is valid, display its version too */
1461 ret = snprintf(fw_version, fw_size,
1462 "%d.%d, 0x%08x, %d.%d.%d",
1463 fw.eep_major, fw.eep_minor, fw.etrack_id,
1464 fw.or_major, fw.or_build, fw.or_patch);
1467 if (fw.etrack_id != 0X0000) {
1468 ret = snprintf(fw_version, fw_size,
1470 fw.eep_major, fw.eep_minor,
1473 ret = snprintf(fw_version, fw_size,
1475 fw.eep_major, fw.eep_minor,
1480 ret += 1; /* add the size of '\0' */
1481 if (fw_size < (u32)ret)
1488 eth_igc_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
1490 struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
1492 dev_info->min_rx_bufsize = 256; /* See BSIZE field of RCTL register. */
1493 dev_info->max_rx_pktlen = MAX_RX_JUMBO_FRAME_SIZE;
1494 dev_info->max_mac_addrs = hw->mac.rar_entry_count;
1495 dev_info->rx_offload_capa = IGC_RX_OFFLOAD_ALL;
1496 dev_info->tx_offload_capa = IGC_TX_OFFLOAD_ALL;
1497 dev_info->rx_queue_offload_capa = DEV_RX_OFFLOAD_VLAN_STRIP;
1499 dev_info->max_rx_queues = IGC_QUEUE_PAIRS_NUM;
1500 dev_info->max_tx_queues = IGC_QUEUE_PAIRS_NUM;
1501 dev_info->max_vmdq_pools = 0;
1503 dev_info->hash_key_size = IGC_HKEY_MAX_INDEX * sizeof(uint32_t);
1504 dev_info->reta_size = ETH_RSS_RETA_SIZE_128;
1505 dev_info->flow_type_rss_offloads = IGC_RSS_OFFLOAD_ALL;
1507 dev_info->default_rxconf = (struct rte_eth_rxconf) {
1509 .pthresh = IGC_DEFAULT_RX_PTHRESH,
1510 .hthresh = IGC_DEFAULT_RX_HTHRESH,
1511 .wthresh = IGC_DEFAULT_RX_WTHRESH,
1513 .rx_free_thresh = IGC_DEFAULT_RX_FREE_THRESH,
1518 dev_info->default_txconf = (struct rte_eth_txconf) {
1520 .pthresh = IGC_DEFAULT_TX_PTHRESH,
1521 .hthresh = IGC_DEFAULT_TX_HTHRESH,
1522 .wthresh = IGC_DEFAULT_TX_WTHRESH,
1527 dev_info->rx_desc_lim = rx_desc_lim;
1528 dev_info->tx_desc_lim = tx_desc_lim;
1530 dev_info->speed_capa = ETH_LINK_SPEED_10M_HD | ETH_LINK_SPEED_10M |
1531 ETH_LINK_SPEED_100M_HD | ETH_LINK_SPEED_100M |
1532 ETH_LINK_SPEED_1G | ETH_LINK_SPEED_2_5G;
1534 dev_info->max_mtu = dev_info->max_rx_pktlen - IGC_ETH_OVERHEAD;
1535 dev_info->min_mtu = RTE_ETHER_MIN_MTU;
1540 eth_igc_led_on(struct rte_eth_dev *dev)
1542 struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
1544 return igc_led_on(hw) == IGC_SUCCESS ? 0 : -ENOTSUP;
1548 eth_igc_led_off(struct rte_eth_dev *dev)
1550 struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
1552 return igc_led_off(hw) == IGC_SUCCESS ? 0 : -ENOTSUP;
1555 static const uint32_t *
1556 eth_igc_supported_ptypes_get(__rte_unused struct rte_eth_dev *dev)
1558 static const uint32_t ptypes[] = {
1559 /* refers to rx_desc_pkt_info_to_pkt_type() */
1562 RTE_PTYPE_L3_IPV4_EXT,
1564 RTE_PTYPE_L3_IPV6_EXT,
1568 RTE_PTYPE_TUNNEL_IP,
1569 RTE_PTYPE_INNER_L3_IPV6,
1570 RTE_PTYPE_INNER_L3_IPV6_EXT,
1571 RTE_PTYPE_INNER_L4_TCP,
1572 RTE_PTYPE_INNER_L4_UDP,
1580 eth_igc_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
1582 struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
1583 uint32_t frame_size = mtu + IGC_ETH_OVERHEAD;
1586 /* if extend vlan has been enabled */
1587 if (IGC_READ_REG(hw, IGC_CTRL_EXT) & IGC_CTRL_EXT_EXT_VLAN)
1588 frame_size += VLAN_TAG_SIZE;
1590 /* check that mtu is within the allowed range */
1591 if (mtu < RTE_ETHER_MIN_MTU ||
1592 frame_size > MAX_RX_JUMBO_FRAME_SIZE)
1596 * If device is started, refuse mtu that requires the support of
1597 * scattered packets when this feature has not been enabled before.
1599 if (dev->data->dev_started && !dev->data->scattered_rx &&
1600 frame_size > dev->data->min_rx_buf_size - RTE_PKTMBUF_HEADROOM) {
1601 PMD_INIT_LOG(ERR, "Stop port first.");
1605 rctl = IGC_READ_REG(hw, IGC_RCTL);
1607 /* switch to jumbo mode if needed */
1608 if (mtu > RTE_ETHER_MTU) {
1609 dev->data->dev_conf.rxmode.offloads |=
1610 DEV_RX_OFFLOAD_JUMBO_FRAME;
1611 rctl |= IGC_RCTL_LPE;
1613 dev->data->dev_conf.rxmode.offloads &=
1614 ~DEV_RX_OFFLOAD_JUMBO_FRAME;
1615 rctl &= ~IGC_RCTL_LPE;
1617 IGC_WRITE_REG(hw, IGC_RCTL, rctl);
1619 /* update max frame size */
1620 dev->data->dev_conf.rxmode.max_rx_pkt_len = frame_size;
1622 IGC_WRITE_REG(hw, IGC_RLPML,
1623 dev->data->dev_conf.rxmode.max_rx_pkt_len);
1629 eth_igc_rar_set(struct rte_eth_dev *dev, struct rte_ether_addr *mac_addr,
1630 uint32_t index, uint32_t pool)
1632 struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
1634 igc_rar_set(hw, mac_addr->addr_bytes, index);
1640 eth_igc_rar_clear(struct rte_eth_dev *dev, uint32_t index)
1642 uint8_t addr[RTE_ETHER_ADDR_LEN];
1643 struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
1645 memset(addr, 0, sizeof(addr));
1646 igc_rar_set(hw, addr, index);
1650 eth_igc_default_mac_addr_set(struct rte_eth_dev *dev,
1651 struct rte_ether_addr *addr)
1653 struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
1654 igc_rar_set(hw, addr->addr_bytes, 0);
1659 eth_igc_set_mc_addr_list(struct rte_eth_dev *dev,
1660 struct rte_ether_addr *mc_addr_set,
1661 uint32_t nb_mc_addr)
1663 struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
1664 igc_update_mc_addr_list(hw, (u8 *)mc_addr_set, nb_mc_addr);
1669 * Read hardware registers
1672 igc_read_stats_registers(struct igc_hw *hw, struct igc_hw_stats *stats)
1676 uint64_t old_gprc = stats->gprc;
1677 uint64_t old_gptc = stats->gptc;
1678 uint64_t old_tpr = stats->tpr;
1679 uint64_t old_tpt = stats->tpt;
1680 uint64_t old_rpthc = stats->rpthc;
1681 uint64_t old_hgptc = stats->hgptc;
1683 stats->crcerrs += IGC_READ_REG(hw, IGC_CRCERRS);
1684 stats->algnerrc += IGC_READ_REG(hw, IGC_ALGNERRC);
1685 stats->rxerrc += IGC_READ_REG(hw, IGC_RXERRC);
1686 stats->mpc += IGC_READ_REG(hw, IGC_MPC);
1687 stats->scc += IGC_READ_REG(hw, IGC_SCC);
1688 stats->ecol += IGC_READ_REG(hw, IGC_ECOL);
1690 stats->mcc += IGC_READ_REG(hw, IGC_MCC);
1691 stats->latecol += IGC_READ_REG(hw, IGC_LATECOL);
1692 stats->colc += IGC_READ_REG(hw, IGC_COLC);
1694 stats->dc += IGC_READ_REG(hw, IGC_DC);
1695 stats->tncrs += IGC_READ_REG(hw, IGC_TNCRS);
1696 stats->htdpmc += IGC_READ_REG(hw, IGC_HTDPMC);
1697 stats->rlec += IGC_READ_REG(hw, IGC_RLEC);
1698 stats->xonrxc += IGC_READ_REG(hw, IGC_XONRXC);
1699 stats->xontxc += IGC_READ_REG(hw, IGC_XONTXC);
1702 * For watchdog management we need to know if we have been
1703 * paused during the last interval, so capture that here.
1705 pause_frames = IGC_READ_REG(hw, IGC_XOFFRXC);
1706 stats->xoffrxc += pause_frames;
1707 stats->xofftxc += IGC_READ_REG(hw, IGC_XOFFTXC);
1708 stats->fcruc += IGC_READ_REG(hw, IGC_FCRUC);
1709 stats->prc64 += IGC_READ_REG(hw, IGC_PRC64);
1710 stats->prc127 += IGC_READ_REG(hw, IGC_PRC127);
1711 stats->prc255 += IGC_READ_REG(hw, IGC_PRC255);
1712 stats->prc511 += IGC_READ_REG(hw, IGC_PRC511);
1713 stats->prc1023 += IGC_READ_REG(hw, IGC_PRC1023);
1714 stats->prc1522 += IGC_READ_REG(hw, IGC_PRC1522);
1715 stats->gprc += IGC_READ_REG(hw, IGC_GPRC);
1716 stats->bprc += IGC_READ_REG(hw, IGC_BPRC);
1717 stats->mprc += IGC_READ_REG(hw, IGC_MPRC);
1718 stats->gptc += IGC_READ_REG(hw, IGC_GPTC);
1720 /* For the 64-bit byte counters the low dword must be read first. */
1721 /* Both registers clear on the read of the high dword */
1723 /* Workaround CRC bytes included in size, take away 4 bytes/packet */
1724 stats->gorc += IGC_READ_REG(hw, IGC_GORCL);
1725 stats->gorc += ((uint64_t)IGC_READ_REG(hw, IGC_GORCH) << 32);
1726 stats->gorc -= (stats->gprc - old_gprc) * RTE_ETHER_CRC_LEN;
1727 stats->gotc += IGC_READ_REG(hw, IGC_GOTCL);
1728 stats->gotc += ((uint64_t)IGC_READ_REG(hw, IGC_GOTCH) << 32);
1729 stats->gotc -= (stats->gptc - old_gptc) * RTE_ETHER_CRC_LEN;
1731 stats->rnbc += IGC_READ_REG(hw, IGC_RNBC);
1732 stats->ruc += IGC_READ_REG(hw, IGC_RUC);
1733 stats->rfc += IGC_READ_REG(hw, IGC_RFC);
1734 stats->roc += IGC_READ_REG(hw, IGC_ROC);
1735 stats->rjc += IGC_READ_REG(hw, IGC_RJC);
1737 stats->mgprc += IGC_READ_REG(hw, IGC_MGTPRC);
1738 stats->mgpdc += IGC_READ_REG(hw, IGC_MGTPDC);
1739 stats->mgptc += IGC_READ_REG(hw, IGC_MGTPTC);
1740 stats->b2ospc += IGC_READ_REG(hw, IGC_B2OSPC);
1741 stats->b2ogprc += IGC_READ_REG(hw, IGC_B2OGPRC);
1742 stats->o2bgptc += IGC_READ_REG(hw, IGC_O2BGPTC);
1743 stats->o2bspc += IGC_READ_REG(hw, IGC_O2BSPC);
1745 stats->tpr += IGC_READ_REG(hw, IGC_TPR);
1746 stats->tpt += IGC_READ_REG(hw, IGC_TPT);
1748 stats->tor += IGC_READ_REG(hw, IGC_TORL);
1749 stats->tor += ((uint64_t)IGC_READ_REG(hw, IGC_TORH) << 32);
1750 stats->tor -= (stats->tpr - old_tpr) * RTE_ETHER_CRC_LEN;
1751 stats->tot += IGC_READ_REG(hw, IGC_TOTL);
1752 stats->tot += ((uint64_t)IGC_READ_REG(hw, IGC_TOTH) << 32);
1753 stats->tot -= (stats->tpt - old_tpt) * RTE_ETHER_CRC_LEN;
1755 stats->ptc64 += IGC_READ_REG(hw, IGC_PTC64);
1756 stats->ptc127 += IGC_READ_REG(hw, IGC_PTC127);
1757 stats->ptc255 += IGC_READ_REG(hw, IGC_PTC255);
1758 stats->ptc511 += IGC_READ_REG(hw, IGC_PTC511);
1759 stats->ptc1023 += IGC_READ_REG(hw, IGC_PTC1023);
1760 stats->ptc1522 += IGC_READ_REG(hw, IGC_PTC1522);
1761 stats->mptc += IGC_READ_REG(hw, IGC_MPTC);
1762 stats->bptc += IGC_READ_REG(hw, IGC_BPTC);
1763 stats->tsctc += IGC_READ_REG(hw, IGC_TSCTC);
1765 stats->iac += IGC_READ_REG(hw, IGC_IAC);
1766 stats->rpthc += IGC_READ_REG(hw, IGC_RPTHC);
1767 stats->hgptc += IGC_READ_REG(hw, IGC_HGPTC);
1768 stats->icrxdmtc += IGC_READ_REG(hw, IGC_ICRXDMTC);
1770 /* Host to Card Statistics */
1771 stats->hgorc += IGC_READ_REG(hw, IGC_HGORCL);
1772 stats->hgorc += ((uint64_t)IGC_READ_REG(hw, IGC_HGORCH) << 32);
1773 stats->hgorc -= (stats->rpthc - old_rpthc) * RTE_ETHER_CRC_LEN;
1774 stats->hgotc += IGC_READ_REG(hw, IGC_HGOTCL);
1775 stats->hgotc += ((uint64_t)IGC_READ_REG(hw, IGC_HGOTCH) << 32);
1776 stats->hgotc -= (stats->hgptc - old_hgptc) * RTE_ETHER_CRC_LEN;
1777 stats->lenerrs += IGC_READ_REG(hw, IGC_LENERRS);
1781 * Write 0 to all queue status registers
1784 igc_reset_queue_stats_register(struct igc_hw *hw)
1788 for (i = 0; i < IGC_QUEUE_PAIRS_NUM; i++) {
1789 IGC_WRITE_REG(hw, IGC_PQGPRC(i), 0);
1790 IGC_WRITE_REG(hw, IGC_PQGPTC(i), 0);
1791 IGC_WRITE_REG(hw, IGC_PQGORC(i), 0);
1792 IGC_WRITE_REG(hw, IGC_PQGOTC(i), 0);
1793 IGC_WRITE_REG(hw, IGC_PQMPRC(i), 0);
1794 IGC_WRITE_REG(hw, IGC_RQDPC(i), 0);
1795 IGC_WRITE_REG(hw, IGC_TQDPC(i), 0);
1800 * Read all hardware queue status registers
1803 igc_read_queue_stats_register(struct rte_eth_dev *dev)
1805 struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
1806 struct igc_hw_queue_stats *queue_stats =
1807 IGC_DEV_PRIVATE_QUEUE_STATS(dev);
1811 * This register is not cleared on read. Furthermore, the register wraps
1812 * around back to 0x00000000 on the next increment when reaching a value
1813 * of 0xFFFFFFFF and then continues normal count operation.
1815 for (i = 0; i < IGC_QUEUE_PAIRS_NUM; i++) {
1823 * Read the register first, if the value is smaller than that
1824 * previous read, that mean the register has been overflowed,
1825 * then we add the high 4 bytes by 1 and replace the low 4
1826 * bytes by the new value.
1828 tmp = IGC_READ_REG(hw, IGC_PQGPRC(i));
1829 value.ddword = queue_stats->pqgprc[i];
1830 if (value.dword[U32_0_IN_U64] > tmp)
1831 value.dword[U32_1_IN_U64]++;
1832 value.dword[U32_0_IN_U64] = tmp;
1833 queue_stats->pqgprc[i] = value.ddword;
1835 tmp = IGC_READ_REG(hw, IGC_PQGPTC(i));
1836 value.ddword = queue_stats->pqgptc[i];
1837 if (value.dword[U32_0_IN_U64] > tmp)
1838 value.dword[U32_1_IN_U64]++;
1839 value.dword[U32_0_IN_U64] = tmp;
1840 queue_stats->pqgptc[i] = value.ddword;
1842 tmp = IGC_READ_REG(hw, IGC_PQGORC(i));
1843 value.ddword = queue_stats->pqgorc[i];
1844 if (value.dword[U32_0_IN_U64] > tmp)
1845 value.dword[U32_1_IN_U64]++;
1846 value.dword[U32_0_IN_U64] = tmp;
1847 queue_stats->pqgorc[i] = value.ddword;
1849 tmp = IGC_READ_REG(hw, IGC_PQGOTC(i));
1850 value.ddword = queue_stats->pqgotc[i];
1851 if (value.dword[U32_0_IN_U64] > tmp)
1852 value.dword[U32_1_IN_U64]++;
1853 value.dword[U32_0_IN_U64] = tmp;
1854 queue_stats->pqgotc[i] = value.ddword;
1856 tmp = IGC_READ_REG(hw, IGC_PQMPRC(i));
1857 value.ddword = queue_stats->pqmprc[i];
1858 if (value.dword[U32_0_IN_U64] > tmp)
1859 value.dword[U32_1_IN_U64]++;
1860 value.dword[U32_0_IN_U64] = tmp;
1861 queue_stats->pqmprc[i] = value.ddword;
1863 tmp = IGC_READ_REG(hw, IGC_RQDPC(i));
1864 value.ddword = queue_stats->rqdpc[i];
1865 if (value.dword[U32_0_IN_U64] > tmp)
1866 value.dword[U32_1_IN_U64]++;
1867 value.dword[U32_0_IN_U64] = tmp;
1868 queue_stats->rqdpc[i] = value.ddword;
1870 tmp = IGC_READ_REG(hw, IGC_TQDPC(i));
1871 value.ddword = queue_stats->tqdpc[i];
1872 if (value.dword[U32_0_IN_U64] > tmp)
1873 value.dword[U32_1_IN_U64]++;
1874 value.dword[U32_0_IN_U64] = tmp;
1875 queue_stats->tqdpc[i] = value.ddword;
1880 eth_igc_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *rte_stats)
1882 struct igc_adapter *igc = IGC_DEV_PRIVATE(dev);
1883 struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
1884 struct igc_hw_stats *stats = IGC_DEV_PRIVATE_STATS(dev);
1885 struct igc_hw_queue_stats *queue_stats =
1886 IGC_DEV_PRIVATE_QUEUE_STATS(dev);
1890 * Cancel status handler since it will read the queue status registers
1892 rte_eal_alarm_cancel(igc_update_queue_stats_handler, dev);
1894 /* Read status register */
1895 igc_read_queue_stats_register(dev);
1896 igc_read_stats_registers(hw, stats);
1898 if (rte_stats == NULL) {
1899 /* Restart queue status handler */
1900 rte_eal_alarm_set(IGC_ALARM_INTERVAL,
1901 igc_update_queue_stats_handler, dev);
1906 rte_stats->imissed = stats->mpc;
1907 rte_stats->ierrors = stats->crcerrs +
1908 stats->rlec + stats->ruc + stats->roc +
1909 stats->rxerrc + stats->algnerrc;
1912 rte_stats->oerrors = stats->ecol + stats->latecol;
1914 rte_stats->ipackets = stats->gprc;
1915 rte_stats->opackets = stats->gptc;
1916 rte_stats->ibytes = stats->gorc;
1917 rte_stats->obytes = stats->gotc;
1919 /* Get per-queue statuses */
1920 for (i = 0; i < IGC_QUEUE_PAIRS_NUM; i++) {
1921 /* GET TX queue statuses */
1922 int map_id = igc->txq_stats_map[i];
1924 rte_stats->q_opackets[map_id] += queue_stats->pqgptc[i];
1925 rte_stats->q_obytes[map_id] += queue_stats->pqgotc[i];
1927 /* Get RX queue statuses */
1928 map_id = igc->rxq_stats_map[i];
1930 rte_stats->q_ipackets[map_id] += queue_stats->pqgprc[i];
1931 rte_stats->q_ibytes[map_id] += queue_stats->pqgorc[i];
1932 rte_stats->q_errors[map_id] += queue_stats->rqdpc[i];
1936 /* Restart queue status handler */
1937 rte_eal_alarm_set(IGC_ALARM_INTERVAL,
1938 igc_update_queue_stats_handler, dev);
1943 eth_igc_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats,
1946 struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
1947 struct igc_hw_stats *hw_stats =
1948 IGC_DEV_PRIVATE_STATS(dev);
1951 igc_read_stats_registers(hw, hw_stats);
1953 if (n < IGC_NB_XSTATS)
1954 return IGC_NB_XSTATS;
1956 /* If this is a reset xstats is NULL, and we have cleared the
1957 * registers by reading them.
1962 /* Extended stats */
1963 for (i = 0; i < IGC_NB_XSTATS; i++) {
1965 xstats[i].value = *(uint64_t *)(((char *)hw_stats) +
1966 rte_igc_stats_strings[i].offset);
1969 return IGC_NB_XSTATS;
1973 eth_igc_xstats_reset(struct rte_eth_dev *dev)
1975 struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
1976 struct igc_hw_stats *hw_stats = IGC_DEV_PRIVATE_STATS(dev);
1977 struct igc_hw_queue_stats *queue_stats =
1978 IGC_DEV_PRIVATE_QUEUE_STATS(dev);
1980 /* Cancel queue status handler for avoid conflict */
1981 rte_eal_alarm_cancel(igc_update_queue_stats_handler, dev);
1983 /* HW registers are cleared on read */
1984 igc_reset_queue_stats_register(hw);
1985 igc_read_stats_registers(hw, hw_stats);
1987 /* Reset software totals */
1988 memset(hw_stats, 0, sizeof(*hw_stats));
1989 memset(queue_stats, 0, sizeof(*queue_stats));
1991 /* Restart the queue status handler */
1992 rte_eal_alarm_set(IGC_ALARM_INTERVAL, igc_update_queue_stats_handler,
1999 eth_igc_xstats_get_names(__rte_unused struct rte_eth_dev *dev,
2000 struct rte_eth_xstat_name *xstats_names, unsigned int size)
2004 if (xstats_names == NULL)
2005 return IGC_NB_XSTATS;
2007 if (size < IGC_NB_XSTATS) {
2008 PMD_DRV_LOG(ERR, "not enough buffers!");
2009 return IGC_NB_XSTATS;
2012 for (i = 0; i < IGC_NB_XSTATS; i++)
2013 strlcpy(xstats_names[i].name, rte_igc_stats_strings[i].name,
2014 sizeof(xstats_names[i].name));
2016 return IGC_NB_XSTATS;
2020 eth_igc_xstats_get_names_by_id(struct rte_eth_dev *dev,
2021 struct rte_eth_xstat_name *xstats_names, const uint64_t *ids,
2027 return eth_igc_xstats_get_names(dev, xstats_names, limit);
2029 for (i = 0; i < limit; i++) {
2030 if (ids[i] >= IGC_NB_XSTATS) {
2031 PMD_DRV_LOG(ERR, "id value isn't valid");
2034 strlcpy(xstats_names[i].name,
2035 rte_igc_stats_strings[ids[i]].name,
2036 sizeof(xstats_names[i].name));
2042 eth_igc_xstats_get_by_id(struct rte_eth_dev *dev, const uint64_t *ids,
2043 uint64_t *values, unsigned int n)
2045 struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
2046 struct igc_hw_stats *hw_stats = IGC_DEV_PRIVATE_STATS(dev);
2049 igc_read_stats_registers(hw, hw_stats);
2052 if (n < IGC_NB_XSTATS)
2053 return IGC_NB_XSTATS;
2055 /* If this is a reset xstats is NULL, and we have cleared the
2056 * registers by reading them.
2061 /* Extended stats */
2062 for (i = 0; i < IGC_NB_XSTATS; i++)
2063 values[i] = *(uint64_t *)(((char *)hw_stats) +
2064 rte_igc_stats_strings[i].offset);
2066 return IGC_NB_XSTATS;
2069 for (i = 0; i < n; i++) {
2070 if (ids[i] >= IGC_NB_XSTATS) {
2071 PMD_DRV_LOG(ERR, "id value isn't valid");
2074 values[i] = *(uint64_t *)(((char *)hw_stats) +
2075 rte_igc_stats_strings[ids[i]].offset);
2082 eth_igc_queue_stats_mapping_set(struct rte_eth_dev *dev,
2083 uint16_t queue_id, uint8_t stat_idx, uint8_t is_rx)
2085 struct igc_adapter *igc = IGC_DEV_PRIVATE(dev);
2087 /* check queue id is valid */
2088 if (queue_id >= IGC_QUEUE_PAIRS_NUM) {
2089 PMD_DRV_LOG(ERR, "queue id(%u) error, max is %u",
2090 queue_id, IGC_QUEUE_PAIRS_NUM - 1);
2094 /* store the mapping status id */
2096 igc->rxq_stats_map[queue_id] = stat_idx;
2098 igc->txq_stats_map[queue_id] = stat_idx;
2104 eth_igc_rx_queue_intr_disable(struct rte_eth_dev *dev, uint16_t queue_id)
2106 struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
2107 struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
2108 struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
2109 uint32_t vec = IGC_MISC_VEC_ID;
2111 if (rte_intr_allow_others(intr_handle))
2112 vec = IGC_RX_VEC_START;
2114 uint32_t mask = 1u << (queue_id + vec);
2116 IGC_WRITE_REG(hw, IGC_EIMC, mask);
2117 IGC_WRITE_FLUSH(hw);
2123 eth_igc_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id)
2125 struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
2126 struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
2127 struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
2128 uint32_t vec = IGC_MISC_VEC_ID;
2130 if (rte_intr_allow_others(intr_handle))
2131 vec = IGC_RX_VEC_START;
2133 uint32_t mask = 1u << (queue_id + vec);
2135 IGC_WRITE_REG(hw, IGC_EIMS, mask);
2136 IGC_WRITE_FLUSH(hw);
2138 rte_intr_enable(intr_handle);
2144 eth_igc_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
2146 struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
2151 fc_conf->pause_time = hw->fc.pause_time;
2152 fc_conf->high_water = hw->fc.high_water;
2153 fc_conf->low_water = hw->fc.low_water;
2154 fc_conf->send_xon = hw->fc.send_xon;
2155 fc_conf->autoneg = hw->mac.autoneg;
2158 * Return rx_pause and tx_pause status according to actual setting of
2159 * the TFCE and RFCE bits in the CTRL register.
2161 ctrl = IGC_READ_REG(hw, IGC_CTRL);
2162 if (ctrl & IGC_CTRL_TFCE)
2167 if (ctrl & IGC_CTRL_RFCE)
2172 if (rx_pause && tx_pause)
2173 fc_conf->mode = RTE_FC_FULL;
2175 fc_conf->mode = RTE_FC_RX_PAUSE;
2177 fc_conf->mode = RTE_FC_TX_PAUSE;
2179 fc_conf->mode = RTE_FC_NONE;
2185 eth_igc_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
2187 struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
2188 uint32_t rx_buf_size;
2189 uint32_t max_high_water;
2193 if (fc_conf->autoneg != hw->mac.autoneg)
2196 rx_buf_size = igc_get_rx_buffer_size(hw);
2197 PMD_DRV_LOG(DEBUG, "Rx packet buffer size = 0x%x", rx_buf_size);
2199 /* At least reserve one Ethernet frame for watermark */
2200 max_high_water = rx_buf_size - RTE_ETHER_MAX_LEN;
2201 if (fc_conf->high_water > max_high_water ||
2202 fc_conf->high_water < fc_conf->low_water) {
2204 "Incorrect high(%u)/low(%u) water value, max is %u",
2205 fc_conf->high_water, fc_conf->low_water,
2210 switch (fc_conf->mode) {
2212 hw->fc.requested_mode = igc_fc_none;
2214 case RTE_FC_RX_PAUSE:
2215 hw->fc.requested_mode = igc_fc_rx_pause;
2217 case RTE_FC_TX_PAUSE:
2218 hw->fc.requested_mode = igc_fc_tx_pause;
2221 hw->fc.requested_mode = igc_fc_full;
2224 PMD_DRV_LOG(ERR, "unsupported fc mode: %u", fc_conf->mode);
2228 hw->fc.pause_time = fc_conf->pause_time;
2229 hw->fc.high_water = fc_conf->high_water;
2230 hw->fc.low_water = fc_conf->low_water;
2231 hw->fc.send_xon = fc_conf->send_xon;
2233 err = igc_setup_link_generic(hw);
2234 if (err == IGC_SUCCESS) {
2236 * check if we want to forward MAC frames - driver doesn't have
2237 * native capability to do that, so we'll write the registers
2240 rctl = IGC_READ_REG(hw, IGC_RCTL);
2242 /* set or clear MFLCN.PMCF bit depending on configuration */
2243 if (fc_conf->mac_ctrl_frame_fwd != 0)
2244 rctl |= IGC_RCTL_PMCF;
2246 rctl &= ~IGC_RCTL_PMCF;
2248 IGC_WRITE_REG(hw, IGC_RCTL, rctl);
2249 IGC_WRITE_FLUSH(hw);
2254 PMD_DRV_LOG(ERR, "igc_setup_link_generic = 0x%x", err);
2259 eth_igc_rss_reta_update(struct rte_eth_dev *dev,
2260 struct rte_eth_rss_reta_entry64 *reta_conf,
2263 struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
2266 if (reta_size != ETH_RSS_RETA_SIZE_128) {
2268 "The size of RSS redirection table configured(%d) doesn't match the number hardware can supported(%d)",
2269 reta_size, ETH_RSS_RETA_SIZE_128);
2273 RTE_BUILD_BUG_ON(ETH_RSS_RETA_SIZE_128 % IGC_RSS_RDT_REG_SIZE);
2275 /* set redirection table */
2276 for (i = 0; i < ETH_RSS_RETA_SIZE_128; i += IGC_RSS_RDT_REG_SIZE) {
2277 union igc_rss_reta_reg reta, reg;
2278 uint16_t idx, shift;
2281 idx = i / RTE_RETA_GROUP_SIZE;
2282 shift = i % RTE_RETA_GROUP_SIZE;
2283 mask = (uint8_t)((reta_conf[idx].mask >> shift) &
2284 IGC_RSS_RDT_REG_SIZE_MASK);
2286 /* if no need to update the register */
2288 shift > (RTE_RETA_GROUP_SIZE - IGC_RSS_RDT_REG_SIZE))
2291 /* check mask whether need to read the register value first */
2292 if (mask == IGC_RSS_RDT_REG_SIZE_MASK)
2295 reg.dword = IGC_READ_REG_LE_VALUE(hw,
2296 IGC_RETA(i / IGC_RSS_RDT_REG_SIZE));
2298 /* update the register */
2299 RTE_BUILD_BUG_ON(sizeof(reta.bytes) != IGC_RSS_RDT_REG_SIZE);
2300 for (j = 0; j < IGC_RSS_RDT_REG_SIZE; j++) {
2301 if (mask & (1u << j))
2303 (uint8_t)reta_conf[idx].reta[shift + j];
2305 reta.bytes[j] = reg.bytes[j];
2307 IGC_WRITE_REG_LE_VALUE(hw,
2308 IGC_RETA(i / IGC_RSS_RDT_REG_SIZE), reta.dword);
2315 eth_igc_rss_reta_query(struct rte_eth_dev *dev,
2316 struct rte_eth_rss_reta_entry64 *reta_conf,
2319 struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
2322 if (reta_size != ETH_RSS_RETA_SIZE_128) {
2324 "The size of RSS redirection table configured(%d) doesn't match the number hardware can supported(%d)",
2325 reta_size, ETH_RSS_RETA_SIZE_128);
2329 RTE_BUILD_BUG_ON(ETH_RSS_RETA_SIZE_128 % IGC_RSS_RDT_REG_SIZE);
2331 /* read redirection table */
2332 for (i = 0; i < ETH_RSS_RETA_SIZE_128; i += IGC_RSS_RDT_REG_SIZE) {
2333 union igc_rss_reta_reg reta;
2334 uint16_t idx, shift;
2337 idx = i / RTE_RETA_GROUP_SIZE;
2338 shift = i % RTE_RETA_GROUP_SIZE;
2339 mask = (uint8_t)((reta_conf[idx].mask >> shift) &
2340 IGC_RSS_RDT_REG_SIZE_MASK);
2342 /* if no need to read register */
2344 shift > (RTE_RETA_GROUP_SIZE - IGC_RSS_RDT_REG_SIZE))
2347 /* read register and get the queue index */
2348 RTE_BUILD_BUG_ON(sizeof(reta.bytes) != IGC_RSS_RDT_REG_SIZE);
2349 reta.dword = IGC_READ_REG_LE_VALUE(hw,
2350 IGC_RETA(i / IGC_RSS_RDT_REG_SIZE));
2351 for (j = 0; j < IGC_RSS_RDT_REG_SIZE; j++) {
2352 if (mask & (1u << j))
2353 reta_conf[idx].reta[shift + j] = reta.bytes[j];
2361 eth_igc_rss_hash_update(struct rte_eth_dev *dev,
2362 struct rte_eth_rss_conf *rss_conf)
2364 struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
2365 igc_hw_rss_hash_set(hw, rss_conf);
2370 eth_igc_rss_hash_conf_get(struct rte_eth_dev *dev,
2371 struct rte_eth_rss_conf *rss_conf)
2373 struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
2374 uint32_t *hash_key = (uint32_t *)rss_conf->rss_key;
2378 if (hash_key != NULL) {
2381 /* if not enough space for store hash key */
2382 if (rss_conf->rss_key_len != IGC_HKEY_SIZE) {
2384 "RSS hash key size %u in parameter doesn't match the hardware hash key size %u",
2385 rss_conf->rss_key_len, IGC_HKEY_SIZE);
2389 /* read RSS key from register */
2390 for (i = 0; i < IGC_HKEY_MAX_INDEX; i++)
2391 hash_key[i] = IGC_READ_REG_LE_VALUE(hw, IGC_RSSRK(i));
2394 /* get RSS functions configured in MRQC register */
2395 mrqc = IGC_READ_REG(hw, IGC_MRQC);
2396 if ((mrqc & IGC_MRQC_ENABLE_RSS_4Q) == 0)
2400 if (mrqc & IGC_MRQC_RSS_FIELD_IPV4)
2401 rss_hf |= ETH_RSS_IPV4;
2402 if (mrqc & IGC_MRQC_RSS_FIELD_IPV4_TCP)
2403 rss_hf |= ETH_RSS_NONFRAG_IPV4_TCP;
2404 if (mrqc & IGC_MRQC_RSS_FIELD_IPV6)
2405 rss_hf |= ETH_RSS_IPV6;
2406 if (mrqc & IGC_MRQC_RSS_FIELD_IPV6_EX)
2407 rss_hf |= ETH_RSS_IPV6_EX;
2408 if (mrqc & IGC_MRQC_RSS_FIELD_IPV6_TCP)
2409 rss_hf |= ETH_RSS_NONFRAG_IPV6_TCP;
2410 if (mrqc & IGC_MRQC_RSS_FIELD_IPV6_TCP_EX)
2411 rss_hf |= ETH_RSS_IPV6_TCP_EX;
2412 if (mrqc & IGC_MRQC_RSS_FIELD_IPV4_UDP)
2413 rss_hf |= ETH_RSS_NONFRAG_IPV4_UDP;
2414 if (mrqc & IGC_MRQC_RSS_FIELD_IPV6_UDP)
2415 rss_hf |= ETH_RSS_NONFRAG_IPV6_UDP;
2416 if (mrqc & IGC_MRQC_RSS_FIELD_IPV6_UDP_EX)
2417 rss_hf |= ETH_RSS_IPV6_UDP_EX;
2419 rss_conf->rss_hf |= rss_hf;
2424 eth_igc_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
2426 struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
2427 struct igc_vfta *shadow_vfta = IGC_DEV_PRIVATE_VFTA(dev);
2432 vid_idx = (vlan_id >> IGC_VFTA_ENTRY_SHIFT) & IGC_VFTA_ENTRY_MASK;
2433 vid_bit = 1u << (vlan_id & IGC_VFTA_ENTRY_BIT_SHIFT_MASK);
2434 vfta = shadow_vfta->vfta[vid_idx];
2439 IGC_WRITE_REG_ARRAY(hw, IGC_VFTA, vid_idx, vfta);
2441 /* update local VFTA copy */
2442 shadow_vfta->vfta[vid_idx] = vfta;
2448 igc_vlan_hw_filter_disable(struct rte_eth_dev *dev)
2450 struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
2451 igc_read_reg_check_clear_bits(hw, IGC_RCTL,
2452 IGC_RCTL_CFIEN | IGC_RCTL_VFE);
2456 igc_vlan_hw_filter_enable(struct rte_eth_dev *dev)
2458 struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
2459 struct igc_vfta *shadow_vfta = IGC_DEV_PRIVATE_VFTA(dev);
2463 /* Filter Table Enable, CFI not used for packet acceptance */
2464 reg_val = IGC_READ_REG(hw, IGC_RCTL);
2465 reg_val &= ~IGC_RCTL_CFIEN;
2466 reg_val |= IGC_RCTL_VFE;
2467 IGC_WRITE_REG(hw, IGC_RCTL, reg_val);
2469 /* restore VFTA table */
2470 for (i = 0; i < IGC_VFTA_SIZE; i++)
2471 IGC_WRITE_REG_ARRAY(hw, IGC_VFTA, i, shadow_vfta->vfta[i]);
2475 igc_vlan_hw_strip_disable(struct rte_eth_dev *dev)
2477 struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
2479 igc_read_reg_check_clear_bits(hw, IGC_CTRL, IGC_CTRL_VME);
2483 igc_vlan_hw_strip_enable(struct rte_eth_dev *dev)
2485 struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
2487 igc_read_reg_check_set_bits(hw, IGC_CTRL, IGC_CTRL_VME);
2491 igc_vlan_hw_extend_disable(struct rte_eth_dev *dev)
2493 struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
2496 ctrl_ext = IGC_READ_REG(hw, IGC_CTRL_EXT);
2498 /* if extend vlan hasn't been enabled */
2499 if ((ctrl_ext & IGC_CTRL_EXT_EXT_VLAN) == 0)
2502 if ((dev->data->dev_conf.rxmode.offloads &
2503 DEV_RX_OFFLOAD_JUMBO_FRAME) == 0)
2504 goto write_ext_vlan;
2506 /* Update maximum packet length */
2507 if (dev->data->dev_conf.rxmode.max_rx_pkt_len <
2508 RTE_ETHER_MIN_MTU + VLAN_TAG_SIZE) {
2509 PMD_DRV_LOG(ERR, "Maximum packet length %u error, min is %u",
2510 dev->data->dev_conf.rxmode.max_rx_pkt_len,
2511 VLAN_TAG_SIZE + RTE_ETHER_MIN_MTU);
2514 dev->data->dev_conf.rxmode.max_rx_pkt_len -= VLAN_TAG_SIZE;
2515 IGC_WRITE_REG(hw, IGC_RLPML,
2516 dev->data->dev_conf.rxmode.max_rx_pkt_len);
2519 IGC_WRITE_REG(hw, IGC_CTRL_EXT, ctrl_ext & ~IGC_CTRL_EXT_EXT_VLAN);
2524 igc_vlan_hw_extend_enable(struct rte_eth_dev *dev)
2526 struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
2529 ctrl_ext = IGC_READ_REG(hw, IGC_CTRL_EXT);
2531 /* if extend vlan has been enabled */
2532 if (ctrl_ext & IGC_CTRL_EXT_EXT_VLAN)
2535 if ((dev->data->dev_conf.rxmode.offloads &
2536 DEV_RX_OFFLOAD_JUMBO_FRAME) == 0)
2537 goto write_ext_vlan;
2539 /* Update maximum packet length */
2540 if (dev->data->dev_conf.rxmode.max_rx_pkt_len >
2541 MAX_RX_JUMBO_FRAME_SIZE - VLAN_TAG_SIZE) {
2542 PMD_DRV_LOG(ERR, "Maximum packet length %u error, max is %u",
2543 dev->data->dev_conf.rxmode.max_rx_pkt_len +
2544 VLAN_TAG_SIZE, MAX_RX_JUMBO_FRAME_SIZE);
2547 dev->data->dev_conf.rxmode.max_rx_pkt_len += VLAN_TAG_SIZE;
2548 IGC_WRITE_REG(hw, IGC_RLPML,
2549 dev->data->dev_conf.rxmode.max_rx_pkt_len);
2552 IGC_WRITE_REG(hw, IGC_CTRL_EXT, ctrl_ext | IGC_CTRL_EXT_EXT_VLAN);
2557 eth_igc_vlan_offload_set(struct rte_eth_dev *dev, int mask)
2559 struct rte_eth_rxmode *rxmode;
2561 rxmode = &dev->data->dev_conf.rxmode;
2562 if (mask & ETH_VLAN_STRIP_MASK) {
2563 if (rxmode->offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
2564 igc_vlan_hw_strip_enable(dev);
2566 igc_vlan_hw_strip_disable(dev);
2569 if (mask & ETH_VLAN_FILTER_MASK) {
2570 if (rxmode->offloads & DEV_RX_OFFLOAD_VLAN_FILTER)
2571 igc_vlan_hw_filter_enable(dev);
2573 igc_vlan_hw_filter_disable(dev);
2576 if (mask & ETH_VLAN_EXTEND_MASK) {
2577 if (rxmode->offloads & DEV_RX_OFFLOAD_VLAN_EXTEND)
2578 return igc_vlan_hw_extend_enable(dev);
2580 return igc_vlan_hw_extend_disable(dev);
2587 eth_igc_vlan_tpid_set(struct rte_eth_dev *dev,
2588 enum rte_vlan_type vlan_type,
2591 struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
2594 /* only outer TPID of double VLAN can be configured*/
2595 if (vlan_type == ETH_VLAN_TYPE_OUTER) {
2596 reg_val = IGC_READ_REG(hw, IGC_VET);
2597 reg_val = (reg_val & (~IGC_VET_EXT)) |
2598 ((uint32_t)tpid << IGC_VET_EXT_SHIFT);
2599 IGC_WRITE_REG(hw, IGC_VET, reg_val);
2604 /* all other TPID values are read-only*/
2605 PMD_DRV_LOG(ERR, "Not supported");
2610 eth_igc_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
2611 struct rte_pci_device *pci_dev)
2613 PMD_INIT_FUNC_TRACE();
2614 return rte_eth_dev_pci_generic_probe(pci_dev,
2615 sizeof(struct igc_adapter), eth_igc_dev_init);
2619 eth_igc_pci_remove(struct rte_pci_device *pci_dev)
2621 PMD_INIT_FUNC_TRACE();
2622 return rte_eth_dev_pci_generic_remove(pci_dev, eth_igc_dev_uninit);
2625 static struct rte_pci_driver rte_igc_pmd = {
2626 .id_table = pci_id_igc_map,
2627 .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
2628 .probe = eth_igc_pci_probe,
2629 .remove = eth_igc_pci_remove,
2632 RTE_PMD_REGISTER_PCI(net_igc, rte_igc_pmd);
2633 RTE_PMD_REGISTER_PCI_TABLE(net_igc, pci_id_igc_map);
2634 RTE_PMD_REGISTER_KMOD_DEP(net_igc, "* igb_uio | uio_pci_generic | vfio-pci");