1 /* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0)
2 * Copyright(c) 2018-2019 Pensando Systems, Inc. All rights reserved.
6 #include <rte_bus_pci.h>
7 #include <rte_ethdev.h>
8 #include <ethdev_driver.h>
9 #include <rte_malloc.h>
10 #include <ethdev_pci.h>
12 #include "ionic_logs.h"
14 #include "ionic_dev.h"
15 #include "ionic_mac_api.h"
16 #include "ionic_lif.h"
17 #include "ionic_ethdev.h"
18 #include "ionic_rxtx.h"
20 static int eth_ionic_dev_init(struct rte_eth_dev *eth_dev, void *init_params);
21 static int eth_ionic_dev_uninit(struct rte_eth_dev *eth_dev);
22 static int ionic_dev_info_get(struct rte_eth_dev *eth_dev,
23 struct rte_eth_dev_info *dev_info);
24 static int ionic_dev_configure(struct rte_eth_dev *dev);
25 static int ionic_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
26 static int ionic_dev_start(struct rte_eth_dev *dev);
27 static int ionic_dev_stop(struct rte_eth_dev *dev);
28 static int ionic_dev_close(struct rte_eth_dev *dev);
29 static int ionic_dev_set_link_up(struct rte_eth_dev *dev);
30 static int ionic_dev_set_link_down(struct rte_eth_dev *dev);
31 static int ionic_flow_ctrl_get(struct rte_eth_dev *eth_dev,
32 struct rte_eth_fc_conf *fc_conf);
33 static int ionic_flow_ctrl_set(struct rte_eth_dev *eth_dev,
34 struct rte_eth_fc_conf *fc_conf);
35 static int ionic_vlan_offload_set(struct rte_eth_dev *eth_dev, int mask);
36 static int ionic_dev_rss_reta_update(struct rte_eth_dev *eth_dev,
37 struct rte_eth_rss_reta_entry64 *reta_conf, uint16_t reta_size);
38 static int ionic_dev_rss_reta_query(struct rte_eth_dev *eth_dev,
39 struct rte_eth_rss_reta_entry64 *reta_conf, uint16_t reta_size);
40 static int ionic_dev_rss_hash_conf_get(struct rte_eth_dev *eth_dev,
41 struct rte_eth_rss_conf *rss_conf);
42 static int ionic_dev_rss_hash_update(struct rte_eth_dev *eth_dev,
43 struct rte_eth_rss_conf *rss_conf);
44 static int ionic_dev_stats_get(struct rte_eth_dev *eth_dev,
45 struct rte_eth_stats *stats);
46 static int ionic_dev_stats_reset(struct rte_eth_dev *eth_dev);
47 static int ionic_dev_xstats_get(struct rte_eth_dev *dev,
48 struct rte_eth_xstat *xstats, unsigned int n);
49 static int ionic_dev_xstats_get_by_id(struct rte_eth_dev *dev,
50 const uint64_t *ids, uint64_t *values, unsigned int n);
51 static int ionic_dev_xstats_reset(struct rte_eth_dev *dev);
52 static int ionic_dev_xstats_get_names(struct rte_eth_dev *dev,
53 struct rte_eth_xstat_name *xstats_names, unsigned int size);
54 static int ionic_dev_xstats_get_names_by_id(struct rte_eth_dev *dev,
55 struct rte_eth_xstat_name *xstats_names, const uint64_t *ids,
57 static int ionic_dev_fw_version_get(struct rte_eth_dev *eth_dev,
58 char *fw_version, size_t fw_size);
60 static const struct rte_pci_id pci_id_ionic_map[] = {
61 { RTE_PCI_DEVICE(IONIC_PENSANDO_VENDOR_ID, IONIC_DEV_ID_ETH_PF) },
62 { RTE_PCI_DEVICE(IONIC_PENSANDO_VENDOR_ID, IONIC_DEV_ID_ETH_VF) },
63 { RTE_PCI_DEVICE(IONIC_PENSANDO_VENDOR_ID, IONIC_DEV_ID_ETH_MGMT) },
64 { .vendor_id = 0, /* sentinel */ },
67 static const struct rte_eth_desc_lim rx_desc_lim = {
68 .nb_max = IONIC_MAX_RING_DESC,
69 .nb_min = IONIC_MIN_RING_DESC,
73 static const struct rte_eth_desc_lim tx_desc_lim = {
74 .nb_max = IONIC_MAX_RING_DESC,
75 .nb_min = IONIC_MIN_RING_DESC,
77 .nb_seg_max = IONIC_TX_MAX_SG_ELEMS,
78 .nb_mtu_seg_max = IONIC_TX_MAX_SG_ELEMS,
81 static const struct eth_dev_ops ionic_eth_dev_ops = {
82 .dev_infos_get = ionic_dev_info_get,
83 .dev_configure = ionic_dev_configure,
84 .mtu_set = ionic_dev_mtu_set,
85 .dev_start = ionic_dev_start,
86 .dev_stop = ionic_dev_stop,
87 .dev_close = ionic_dev_close,
88 .link_update = ionic_dev_link_update,
89 .dev_set_link_up = ionic_dev_set_link_up,
90 .dev_set_link_down = ionic_dev_set_link_down,
91 .mac_addr_add = ionic_dev_add_mac,
92 .mac_addr_remove = ionic_dev_remove_mac,
93 .mac_addr_set = ionic_dev_set_mac,
94 .vlan_filter_set = ionic_dev_vlan_filter_set,
95 .promiscuous_enable = ionic_dev_promiscuous_enable,
96 .promiscuous_disable = ionic_dev_promiscuous_disable,
97 .allmulticast_enable = ionic_dev_allmulticast_enable,
98 .allmulticast_disable = ionic_dev_allmulticast_disable,
99 .flow_ctrl_get = ionic_flow_ctrl_get,
100 .flow_ctrl_set = ionic_flow_ctrl_set,
101 .rxq_info_get = ionic_rxq_info_get,
102 .txq_info_get = ionic_txq_info_get,
103 .rx_queue_setup = ionic_dev_rx_queue_setup,
104 .rx_queue_release = ionic_dev_rx_queue_release,
105 .rx_queue_start = ionic_dev_rx_queue_start,
106 .rx_queue_stop = ionic_dev_rx_queue_stop,
107 .tx_queue_setup = ionic_dev_tx_queue_setup,
108 .tx_queue_release = ionic_dev_tx_queue_release,
109 .tx_queue_start = ionic_dev_tx_queue_start,
110 .tx_queue_stop = ionic_dev_tx_queue_stop,
111 .vlan_offload_set = ionic_vlan_offload_set,
112 .reta_update = ionic_dev_rss_reta_update,
113 .reta_query = ionic_dev_rss_reta_query,
114 .rss_hash_conf_get = ionic_dev_rss_hash_conf_get,
115 .rss_hash_update = ionic_dev_rss_hash_update,
116 .stats_get = ionic_dev_stats_get,
117 .stats_reset = ionic_dev_stats_reset,
118 .xstats_get = ionic_dev_xstats_get,
119 .xstats_get_by_id = ionic_dev_xstats_get_by_id,
120 .xstats_reset = ionic_dev_xstats_reset,
121 .xstats_get_names = ionic_dev_xstats_get_names,
122 .xstats_get_names_by_id = ionic_dev_xstats_get_names_by_id,
123 .fw_version_get = ionic_dev_fw_version_get,
126 struct rte_ionic_xstats_name_off {
127 char name[RTE_ETH_XSTATS_NAME_SIZE];
131 static const struct rte_ionic_xstats_name_off rte_ionic_xstats_strings[] = {
133 {"rx_ucast_bytes", offsetof(struct ionic_lif_stats,
135 {"rx_ucast_packets", offsetof(struct ionic_lif_stats,
137 {"rx_mcast_bytes", offsetof(struct ionic_lif_stats,
139 {"rx_mcast_packets", offsetof(struct ionic_lif_stats,
141 {"rx_bcast_bytes", offsetof(struct ionic_lif_stats,
143 {"rx_bcast_packets", offsetof(struct ionic_lif_stats,
146 {"rx_ucast_drop_bytes", offsetof(struct ionic_lif_stats,
147 rx_ucast_drop_bytes)},
148 {"rx_ucast_drop_packets", offsetof(struct ionic_lif_stats,
149 rx_ucast_drop_packets)},
150 {"rx_mcast_drop_bytes", offsetof(struct ionic_lif_stats,
151 rx_mcast_drop_bytes)},
152 {"rx_mcast_drop_packets", offsetof(struct ionic_lif_stats,
153 rx_mcast_drop_packets)},
154 {"rx_bcast_drop_bytes", offsetof(struct ionic_lif_stats,
155 rx_bcast_drop_bytes)},
156 {"rx_bcast_drop_packets", offsetof(struct ionic_lif_stats,
157 rx_bcast_drop_packets)},
158 {"rx_dma_error", offsetof(struct ionic_lif_stats,
161 {"tx_ucast_bytes", offsetof(struct ionic_lif_stats,
163 {"tx_ucast_packets", offsetof(struct ionic_lif_stats,
165 {"tx_mcast_bytes", offsetof(struct ionic_lif_stats,
167 {"tx_mcast_packets", offsetof(struct ionic_lif_stats,
169 {"tx_bcast_bytes", offsetof(struct ionic_lif_stats,
171 {"tx_bcast_packets", offsetof(struct ionic_lif_stats,
174 {"tx_ucast_drop_bytes", offsetof(struct ionic_lif_stats,
175 tx_ucast_drop_bytes)},
176 {"tx_ucast_drop_packets", offsetof(struct ionic_lif_stats,
177 tx_ucast_drop_packets)},
178 {"tx_mcast_drop_bytes", offsetof(struct ionic_lif_stats,
179 tx_mcast_drop_bytes)},
180 {"tx_mcast_drop_packets", offsetof(struct ionic_lif_stats,
181 tx_mcast_drop_packets)},
182 {"tx_bcast_drop_bytes", offsetof(struct ionic_lif_stats,
183 tx_bcast_drop_bytes)},
184 {"tx_bcast_drop_packets", offsetof(struct ionic_lif_stats,
185 tx_bcast_drop_packets)},
186 {"tx_dma_error", offsetof(struct ionic_lif_stats,
188 /* Rx Queue/Ring drops */
189 {"rx_queue_disabled", offsetof(struct ionic_lif_stats,
191 {"rx_queue_empty", offsetof(struct ionic_lif_stats,
193 {"rx_queue_error", offsetof(struct ionic_lif_stats,
195 {"rx_desc_fetch_error", offsetof(struct ionic_lif_stats,
196 rx_desc_fetch_error)},
197 {"rx_desc_data_error", offsetof(struct ionic_lif_stats,
198 rx_desc_data_error)},
199 /* Tx Queue/Ring drops */
200 {"tx_queue_disabled", offsetof(struct ionic_lif_stats,
202 {"tx_queue_error", offsetof(struct ionic_lif_stats,
204 {"tx_desc_fetch_error", offsetof(struct ionic_lif_stats,
205 tx_desc_fetch_error)},
206 {"tx_desc_data_error", offsetof(struct ionic_lif_stats,
207 tx_desc_data_error)},
210 #define IONIC_NB_HW_STATS (sizeof(rte_ionic_xstats_strings) / \
211 sizeof(rte_ionic_xstats_strings[0]))
214 ionic_dev_fw_version_get(struct rte_eth_dev *eth_dev,
215 char *fw_version, size_t fw_size)
217 struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
218 struct ionic_adapter *adapter = lif->adapter;
220 if (fw_version == NULL || fw_size <= 0)
223 snprintf(fw_version, fw_size, "%s",
224 adapter->fw_version);
225 fw_version[fw_size - 1] = '\0';
231 * Set device link up, enable tx.
234 ionic_dev_set_link_up(struct rte_eth_dev *eth_dev)
236 struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
241 err = ionic_lif_start(lif);
243 IONIC_PRINT(ERR, "Could not start lif to set link up");
245 ionic_dev_link_update(lif->eth_dev, 0);
251 * Set device link down, disable tx.
254 ionic_dev_set_link_down(struct rte_eth_dev *eth_dev)
256 struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
262 ionic_dev_link_update(lif->eth_dev, 0);
268 ionic_dev_link_update(struct rte_eth_dev *eth_dev,
269 int wait_to_complete __rte_unused)
271 struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
272 struct ionic_adapter *adapter = lif->adapter;
273 struct rte_eth_link link;
278 memset(&link, 0, sizeof(link));
280 if (adapter->idev.port_info->config.an_enable) {
281 link.link_autoneg = ETH_LINK_AUTONEG;
284 if (!adapter->link_up ||
285 !(lif->state & IONIC_LIF_F_UP)) {
286 /* Interface is down */
287 link.link_status = ETH_LINK_DOWN;
288 link.link_duplex = ETH_LINK_HALF_DUPLEX;
289 link.link_speed = ETH_SPEED_NUM_NONE;
291 /* Interface is up */
292 link.link_status = ETH_LINK_UP;
293 link.link_duplex = ETH_LINK_FULL_DUPLEX;
294 switch (adapter->link_speed) {
296 link.link_speed = ETH_SPEED_NUM_10G;
299 link.link_speed = ETH_SPEED_NUM_25G;
302 link.link_speed = ETH_SPEED_NUM_40G;
305 link.link_speed = ETH_SPEED_NUM_50G;
308 link.link_speed = ETH_SPEED_NUM_100G;
311 link.link_speed = ETH_SPEED_NUM_NONE;
316 return rte_eth_linkstatus_set(eth_dev, &link);
320 * Interrupt handler triggered by NIC for handling
321 * specific interrupt.
324 * The address of parameter registered before.
330 ionic_dev_interrupt_handler(void *param)
332 struct ionic_adapter *adapter = (struct ionic_adapter *)param;
334 IONIC_PRINT(DEBUG, "->");
337 ionic_notifyq_handler(adapter->lif, -1);
341 ionic_dev_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu)
343 struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
344 uint32_t max_frame_size;
350 * Note: mtu check against IONIC_MIN_MTU, IONIC_MAX_MTU
351 * is done by the the API.
355 * Max frame size is MTU + Ethernet header + VLAN + QinQ
356 * (plus ETHER_CRC_LEN if the adapter is able to keep CRC)
358 max_frame_size = mtu + RTE_ETHER_HDR_LEN + 4 + 4;
360 if (eth_dev->data->dev_conf.rxmode.max_rx_pkt_len < max_frame_size)
363 err = ionic_lif_change_mtu(lif, mtu);
371 ionic_dev_info_get(struct rte_eth_dev *eth_dev,
372 struct rte_eth_dev_info *dev_info)
374 struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
375 struct ionic_adapter *adapter = lif->adapter;
376 struct ionic_identity *ident = &adapter->ident;
377 union ionic_lif_config *cfg = &ident->lif.eth.config;
381 dev_info->max_rx_queues = (uint16_t)
382 rte_le_to_cpu_32(cfg->queue_count[IONIC_QTYPE_RXQ]);
383 dev_info->max_tx_queues = (uint16_t)
384 rte_le_to_cpu_32(cfg->queue_count[IONIC_QTYPE_TXQ]);
386 /* Also add ETHER_CRC_LEN if the adapter is able to keep CRC */
387 dev_info->min_rx_bufsize = IONIC_MIN_MTU + RTE_ETHER_HDR_LEN;
388 dev_info->max_rx_pktlen = IONIC_MAX_MTU + RTE_ETHER_HDR_LEN;
389 dev_info->max_mac_addrs = adapter->max_mac_addrs;
390 dev_info->min_mtu = IONIC_MIN_MTU;
391 dev_info->max_mtu = IONIC_MAX_MTU;
393 dev_info->hash_key_size = IONIC_RSS_HASH_KEY_SIZE;
394 dev_info->reta_size = rte_le_to_cpu_16(ident->lif.eth.rss_ind_tbl_sz);
395 dev_info->flow_type_rss_offloads = IONIC_ETH_RSS_OFFLOAD_ALL;
397 dev_info->speed_capa =
405 * Per-queue capabilities
406 * RTE does not support disabling a feature on a queue if it is
407 * enabled globally on the device. Thus the driver does not advertise
408 * capabilities like DEV_TX_OFFLOAD_IPV4_CKSUM as per-queue even
409 * though the driver would be otherwise capable of disabling it on
413 dev_info->rx_queue_offload_capa = 0;
414 dev_info->tx_queue_offload_capa = 0;
417 * Per-port capabilities
418 * See ionic_set_features to request and check supported features
421 dev_info->rx_offload_capa = dev_info->rx_queue_offload_capa |
422 DEV_RX_OFFLOAD_IPV4_CKSUM |
423 DEV_RX_OFFLOAD_UDP_CKSUM |
424 DEV_RX_OFFLOAD_TCP_CKSUM |
425 DEV_RX_OFFLOAD_JUMBO_FRAME |
426 DEV_RX_OFFLOAD_VLAN_FILTER |
427 DEV_RX_OFFLOAD_VLAN_STRIP |
428 DEV_RX_OFFLOAD_SCATTER |
429 DEV_RX_OFFLOAD_RSS_HASH |
432 dev_info->tx_offload_capa = dev_info->tx_queue_offload_capa |
433 DEV_TX_OFFLOAD_IPV4_CKSUM |
434 DEV_TX_OFFLOAD_UDP_CKSUM |
435 DEV_TX_OFFLOAD_TCP_CKSUM |
436 DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM |
437 DEV_TX_OFFLOAD_OUTER_UDP_CKSUM |
438 DEV_TX_OFFLOAD_MULTI_SEGS |
439 DEV_TX_OFFLOAD_TCP_TSO |
440 DEV_TX_OFFLOAD_VLAN_INSERT |
443 dev_info->rx_desc_lim = rx_desc_lim;
444 dev_info->tx_desc_lim = tx_desc_lim;
446 /* Driver-preferred Rx/Tx parameters */
447 dev_info->default_rxportconf.burst_size = 32;
448 dev_info->default_txportconf.burst_size = 32;
449 dev_info->default_rxportconf.nb_queues = 1;
450 dev_info->default_txportconf.nb_queues = 1;
451 dev_info->default_rxportconf.ring_size = IONIC_DEF_TXRX_DESC;
452 dev_info->default_txportconf.ring_size = IONIC_DEF_TXRX_DESC;
454 dev_info->default_rxconf = (struct rte_eth_rxconf) {
455 /* Packets are always dropped if no desc are available */
463 ionic_flow_ctrl_get(struct rte_eth_dev *eth_dev,
464 struct rte_eth_fc_conf *fc_conf)
466 struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
467 struct ionic_adapter *adapter = lif->adapter;
468 struct ionic_dev *idev = &adapter->idev;
470 if (idev->port_info) {
471 /* Flow control autoneg not supported */
472 fc_conf->autoneg = 0;
474 if (idev->port_info->config.pause_type)
475 fc_conf->mode = RTE_FC_FULL;
477 fc_conf->mode = RTE_FC_NONE;
484 ionic_flow_ctrl_set(struct rte_eth_dev *eth_dev,
485 struct rte_eth_fc_conf *fc_conf)
487 struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
488 struct ionic_adapter *adapter = lif->adapter;
489 struct ionic_dev *idev = &adapter->idev;
490 uint8_t pause_type = IONIC_PORT_PAUSE_TYPE_NONE;
493 if (fc_conf->autoneg) {
494 IONIC_PRINT(WARNING, "Flow control autoneg not supported");
498 switch (fc_conf->mode) {
500 pause_type = IONIC_PORT_PAUSE_TYPE_NONE;
503 pause_type = IONIC_PORT_PAUSE_TYPE_LINK;
505 case RTE_FC_RX_PAUSE:
506 case RTE_FC_TX_PAUSE:
510 ionic_dev_cmd_port_pause(idev, pause_type);
511 err = ionic_dev_cmd_wait_check(idev, IONIC_DEVCMD_TIMEOUT);
513 IONIC_PRINT(WARNING, "Failed to configure flow control");
519 ionic_vlan_offload_set(struct rte_eth_dev *eth_dev, int mask)
521 struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
523 ionic_lif_configure_vlan_offload(lif, mask);
525 ionic_lif_set_features(lif);
531 ionic_dev_rss_reta_update(struct rte_eth_dev *eth_dev,
532 struct rte_eth_rss_reta_entry64 *reta_conf,
535 struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
536 struct ionic_adapter *adapter = lif->adapter;
537 struct ionic_identity *ident = &adapter->ident;
538 uint32_t i, j, index, num;
539 uint16_t tbl_sz = rte_le_to_cpu_16(ident->lif.eth.rss_ind_tbl_sz);
543 if (!lif->rss_ind_tbl) {
544 IONIC_PRINT(ERR, "RSS RETA not initialized, "
545 "can't update the table");
549 if (reta_size != tbl_sz) {
550 IONIC_PRINT(ERR, "The size of hash lookup table configured "
551 "(%d) does not match the number hardware can support "
557 num = tbl_sz / RTE_RETA_GROUP_SIZE;
559 for (i = 0; i < num; i++) {
560 for (j = 0; j < RTE_RETA_GROUP_SIZE; j++) {
561 if (reta_conf[i].mask & ((uint64_t)1 << j)) {
562 index = (i * RTE_RETA_GROUP_SIZE) + j;
563 lif->rss_ind_tbl[index] = reta_conf[i].reta[j];
568 return ionic_lif_rss_config(lif, lif->rss_types, NULL, NULL);
572 ionic_dev_rss_reta_query(struct rte_eth_dev *eth_dev,
573 struct rte_eth_rss_reta_entry64 *reta_conf,
576 struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
577 struct ionic_adapter *adapter = lif->adapter;
578 struct ionic_identity *ident = &adapter->ident;
580 uint16_t tbl_sz = rte_le_to_cpu_16(ident->lif.eth.rss_ind_tbl_sz);
584 if (reta_size != tbl_sz) {
585 IONIC_PRINT(ERR, "The size of hash lookup table configured "
586 "(%d) does not match the number hardware can support "
592 if (!lif->rss_ind_tbl) {
593 IONIC_PRINT(ERR, "RSS RETA has not been built yet");
597 num = reta_size / RTE_RETA_GROUP_SIZE;
599 for (i = 0; i < num; i++) {
600 memcpy(reta_conf->reta,
601 &lif->rss_ind_tbl[i * RTE_RETA_GROUP_SIZE],
602 RTE_RETA_GROUP_SIZE);
610 ionic_dev_rss_hash_conf_get(struct rte_eth_dev *eth_dev,
611 struct rte_eth_rss_conf *rss_conf)
613 struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
618 if (!lif->rss_ind_tbl) {
619 IONIC_PRINT(NOTICE, "RSS not enabled");
623 /* Get key value (if not null, rss_key is 40-byte) */
624 if (rss_conf->rss_key != NULL &&
625 rss_conf->rss_key_len >= IONIC_RSS_HASH_KEY_SIZE)
626 memcpy(rss_conf->rss_key, lif->rss_hash_key,
627 IONIC_RSS_HASH_KEY_SIZE);
629 if (lif->rss_types & IONIC_RSS_TYPE_IPV4)
630 rss_hf |= ETH_RSS_IPV4;
631 if (lif->rss_types & IONIC_RSS_TYPE_IPV4_TCP)
632 rss_hf |= ETH_RSS_NONFRAG_IPV4_TCP;
633 if (lif->rss_types & IONIC_RSS_TYPE_IPV4_UDP)
634 rss_hf |= ETH_RSS_NONFRAG_IPV4_UDP;
635 if (lif->rss_types & IONIC_RSS_TYPE_IPV6)
636 rss_hf |= ETH_RSS_IPV6;
637 if (lif->rss_types & IONIC_RSS_TYPE_IPV6_TCP)
638 rss_hf |= ETH_RSS_NONFRAG_IPV6_TCP;
639 if (lif->rss_types & IONIC_RSS_TYPE_IPV6_UDP)
640 rss_hf |= ETH_RSS_NONFRAG_IPV6_UDP;
642 rss_conf->rss_hf = rss_hf;
648 ionic_dev_rss_hash_update(struct rte_eth_dev *eth_dev,
649 struct rte_eth_rss_conf *rss_conf)
651 struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
652 uint32_t rss_types = 0;
657 if (rss_conf->rss_key)
658 key = rss_conf->rss_key;
660 if ((rss_conf->rss_hf & IONIC_ETH_RSS_OFFLOAD_ALL) == 0) {
662 * Can't disable rss through hash flags,
663 * if it is enabled by default during init
665 if (lif->rss_ind_tbl)
668 /* Can't enable rss if disabled by default during init */
669 if (!lif->rss_ind_tbl)
672 if (rss_conf->rss_hf & ETH_RSS_IPV4)
673 rss_types |= IONIC_RSS_TYPE_IPV4;
674 if (rss_conf->rss_hf & ETH_RSS_NONFRAG_IPV4_TCP)
675 rss_types |= IONIC_RSS_TYPE_IPV4_TCP;
676 if (rss_conf->rss_hf & ETH_RSS_NONFRAG_IPV4_UDP)
677 rss_types |= IONIC_RSS_TYPE_IPV4_UDP;
678 if (rss_conf->rss_hf & ETH_RSS_IPV6)
679 rss_types |= IONIC_RSS_TYPE_IPV6;
680 if (rss_conf->rss_hf & ETH_RSS_NONFRAG_IPV6_TCP)
681 rss_types |= IONIC_RSS_TYPE_IPV6_TCP;
682 if (rss_conf->rss_hf & ETH_RSS_NONFRAG_IPV6_UDP)
683 rss_types |= IONIC_RSS_TYPE_IPV6_UDP;
685 ionic_lif_rss_config(lif, rss_types, key, NULL);
692 ionic_dev_stats_get(struct rte_eth_dev *eth_dev,
693 struct rte_eth_stats *stats)
695 struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
697 ionic_lif_get_stats(lif, stats);
703 ionic_dev_stats_reset(struct rte_eth_dev *eth_dev)
705 struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
709 ionic_lif_reset_stats(lif);
715 ionic_dev_xstats_get_names(__rte_unused struct rte_eth_dev *eth_dev,
716 struct rte_eth_xstat_name *xstats_names,
717 __rte_unused unsigned int size)
721 if (xstats_names != NULL) {
722 for (i = 0; i < IONIC_NB_HW_STATS; i++) {
723 snprintf(xstats_names[i].name,
724 sizeof(xstats_names[i].name),
725 "%s", rte_ionic_xstats_strings[i].name);
729 return IONIC_NB_HW_STATS;
733 ionic_dev_xstats_get_names_by_id(struct rte_eth_dev *eth_dev,
734 struct rte_eth_xstat_name *xstats_names, const uint64_t *ids,
737 struct rte_eth_xstat_name xstats_names_copy[IONIC_NB_HW_STATS];
741 if (xstats_names != NULL) {
742 for (i = 0; i < IONIC_NB_HW_STATS; i++) {
743 snprintf(xstats_names[i].name,
744 sizeof(xstats_names[i].name),
745 "%s", rte_ionic_xstats_strings[i].name);
749 return IONIC_NB_HW_STATS;
752 ionic_dev_xstats_get_names_by_id(eth_dev, xstats_names_copy, NULL,
755 for (i = 0; i < limit; i++) {
756 if (ids[i] >= IONIC_NB_HW_STATS) {
757 IONIC_PRINT(ERR, "id value isn't valid");
761 strcpy(xstats_names[i].name, xstats_names_copy[ids[i]].name);
768 ionic_dev_xstats_get(struct rte_eth_dev *eth_dev, struct rte_eth_xstat *xstats,
771 struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
772 struct ionic_lif_stats hw_stats;
775 if (n < IONIC_NB_HW_STATS)
776 return IONIC_NB_HW_STATS;
778 ionic_lif_get_hw_stats(lif, &hw_stats);
780 for (i = 0; i < IONIC_NB_HW_STATS; i++) {
781 xstats[i].value = *(uint64_t *)(((char *)&hw_stats) +
782 rte_ionic_xstats_strings[i].offset);
786 return IONIC_NB_HW_STATS;
790 ionic_dev_xstats_get_by_id(struct rte_eth_dev *eth_dev, const uint64_t *ids,
791 uint64_t *values, unsigned int n)
793 struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
794 struct ionic_lif_stats hw_stats;
795 uint64_t values_copy[IONIC_NB_HW_STATS];
799 if (!ids && n < IONIC_NB_HW_STATS)
800 return IONIC_NB_HW_STATS;
802 ionic_lif_get_hw_stats(lif, &hw_stats);
804 for (i = 0; i < IONIC_NB_HW_STATS; i++) {
805 values[i] = *(uint64_t *)(((char *)&hw_stats) +
806 rte_ionic_xstats_strings[i].offset);
809 return IONIC_NB_HW_STATS;
812 ionic_dev_xstats_get_by_id(eth_dev, NULL, values_copy,
815 for (i = 0; i < n; i++) {
816 if (ids[i] >= IONIC_NB_HW_STATS) {
817 IONIC_PRINT(ERR, "id value isn't valid");
821 values[i] = values_copy[ids[i]];
828 ionic_dev_xstats_reset(struct rte_eth_dev *eth_dev)
830 struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
832 ionic_lif_reset_hw_stats(lif);
838 ionic_dev_configure(struct rte_eth_dev *eth_dev)
840 struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
844 ionic_lif_configure(lif);
846 ionic_lif_set_features(lif);
851 static inline uint32_t
852 ionic_parse_link_speeds(uint16_t link_speeds)
854 if (link_speeds & ETH_LINK_SPEED_100G)
856 else if (link_speeds & ETH_LINK_SPEED_50G)
858 else if (link_speeds & ETH_LINK_SPEED_40G)
860 else if (link_speeds & ETH_LINK_SPEED_25G)
862 else if (link_speeds & ETH_LINK_SPEED_10G)
869 * Configure device link speed and setup link.
870 * It returns 0 on success.
873 ionic_dev_start(struct rte_eth_dev *eth_dev)
875 struct rte_eth_conf *dev_conf = ð_dev->data->dev_conf;
876 struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
877 struct ionic_adapter *adapter = lif->adapter;
878 struct ionic_dev *idev = &adapter->idev;
879 uint32_t speed = 0, allowed_speeds;
886 ETH_LINK_SPEED_FIXED |
893 if (dev_conf->link_speeds & ~allowed_speeds) {
894 IONIC_PRINT(ERR, "Invalid link setting");
898 if (dev_conf->lpbk_mode)
899 IONIC_PRINT(WARNING, "Loopback mode not supported");
901 err = ionic_lif_start(lif);
903 IONIC_PRINT(ERR, "Cannot start LIF: %d", err);
908 an_enable = (dev_conf->link_speeds & ETH_LINK_SPEED_FIXED) == 0;
910 ionic_dev_cmd_port_autoneg(idev, an_enable);
911 err = ionic_dev_cmd_wait_check(idev, IONIC_DEVCMD_TIMEOUT);
913 IONIC_PRINT(WARNING, "Failed to %s autonegotiation",
914 an_enable ? "enable" : "disable");
917 speed = ionic_parse_link_speeds(dev_conf->link_speeds);
919 ionic_dev_cmd_port_speed(idev, speed);
920 err = ionic_dev_cmd_wait_check(idev, IONIC_DEVCMD_TIMEOUT);
922 IONIC_PRINT(WARNING, "Failed to set link speed %u",
926 ionic_dev_link_update(eth_dev, 0);
932 * Stop device: disable rx and tx functions to allow for reconfiguring.
935 ionic_dev_stop(struct rte_eth_dev *eth_dev)
937 struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
946 static void ionic_unconfigure_intr(struct ionic_adapter *adapter);
949 * Reset and stop device.
952 ionic_dev_close(struct rte_eth_dev *eth_dev)
954 struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
955 struct ionic_adapter *adapter = lif->adapter;
958 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
963 ionic_lif_free_queues(lif);
965 IONIC_PRINT(NOTICE, "Removing device %s", eth_dev->device->name);
966 ionic_unconfigure_intr(adapter);
968 rte_eth_dev_destroy(eth_dev, eth_ionic_dev_uninit);
970 ionic_port_reset(adapter);
971 ionic_reset(adapter);
979 eth_ionic_dev_init(struct rte_eth_dev *eth_dev, void *init_params)
981 struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
982 struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
983 struct ionic_adapter *adapter = (struct ionic_adapter *)init_params;
988 eth_dev->dev_ops = &ionic_eth_dev_ops;
989 eth_dev->rx_pkt_burst = &ionic_recv_pkts;
990 eth_dev->tx_pkt_burst = &ionic_xmit_pkts;
991 eth_dev->tx_pkt_prepare = &ionic_prep_pkts;
993 /* Multi-process not supported, primary does initialization anyway */
994 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
997 rte_eth_copy_pci_info(eth_dev, pci_dev);
998 eth_dev->data->dev_flags |= RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS;
1000 lif->eth_dev = eth_dev;
1001 lif->adapter = adapter;
1004 IONIC_PRINT(DEBUG, "Up to %u MAC addresses supported",
1005 adapter->max_mac_addrs);
1007 /* Allocate memory for storing MAC addresses */
1008 eth_dev->data->mac_addrs = rte_zmalloc("ionic",
1009 RTE_ETHER_ADDR_LEN * adapter->max_mac_addrs, 0);
1011 if (eth_dev->data->mac_addrs == NULL) {
1012 IONIC_PRINT(ERR, "Failed to allocate %u bytes needed to "
1013 "store MAC addresses",
1014 RTE_ETHER_ADDR_LEN * adapter->max_mac_addrs);
1019 err = ionic_lif_alloc(lif);
1021 IONIC_PRINT(ERR, "Cannot allocate LIFs: %d, aborting",
1026 err = ionic_lif_init(lif);
1028 IONIC_PRINT(ERR, "Cannot init LIFs: %d, aborting", err);
1032 /* Copy the MAC address */
1033 rte_ether_addr_copy((struct rte_ether_addr *)lif->mac_addr,
1034 ð_dev->data->mac_addrs[0]);
1036 IONIC_PRINT(DEBUG, "Port %u initialized", eth_dev->data->port_id);
1041 ionic_lif_free(lif);
1047 eth_ionic_dev_uninit(struct rte_eth_dev *eth_dev)
1049 struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
1050 struct ionic_adapter *adapter = lif->adapter;
1054 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1057 adapter->lif = NULL;
1059 ionic_lif_deinit(lif);
1060 ionic_lif_free(lif);
1062 if (!(lif->state & IONIC_LIF_F_FW_RESET))
1063 ionic_lif_reset(lif);
1069 ionic_configure_intr(struct ionic_adapter *adapter)
1071 struct rte_pci_device *pci_dev = adapter->pci_dev;
1072 struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1075 IONIC_PRINT(DEBUG, "Configuring %u intrs", adapter->nintrs);
1077 if (rte_intr_efd_enable(intr_handle, adapter->nintrs)) {
1078 IONIC_PRINT(ERR, "Fail to create eventfd");
1082 if (rte_intr_dp_is_en(intr_handle))
1084 "Packet I/O interrupt on datapath is enabled");
1086 if (!intr_handle->intr_vec) {
1087 intr_handle->intr_vec = rte_zmalloc("intr_vec",
1088 adapter->nintrs * sizeof(int), 0);
1090 if (!intr_handle->intr_vec) {
1091 IONIC_PRINT(ERR, "Failed to allocate %u vectors",
1097 err = rte_intr_callback_register(intr_handle,
1098 ionic_dev_interrupt_handler,
1103 "Failure registering interrupts handler (%d)",
1108 /* enable intr mapping */
1109 err = rte_intr_enable(intr_handle);
1112 IONIC_PRINT(ERR, "Failure enabling interrupts (%d)", err);
1120 ionic_unconfigure_intr(struct ionic_adapter *adapter)
1122 struct rte_pci_device *pci_dev = adapter->pci_dev;
1123 struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1125 rte_intr_disable(intr_handle);
1127 rte_intr_callback_unregister(intr_handle,
1128 ionic_dev_interrupt_handler,
1133 eth_ionic_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
1134 struct rte_pci_device *pci_dev)
1136 char name[RTE_ETH_NAME_MAX_LEN];
1137 struct rte_mem_resource *resource;
1138 struct ionic_adapter *adapter;
1139 struct ionic_hw *hw;
1143 /* Check structs (trigger error at compilation time) */
1144 ionic_struct_size_checks();
1146 /* Multi-process not supported */
1147 if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
1152 IONIC_PRINT(DEBUG, "Initializing device %s",
1153 pci_dev->device.name);
1155 adapter = rte_zmalloc("ionic", sizeof(*adapter), 0);
1157 IONIC_PRINT(ERR, "OOM");
1162 adapter->pci_dev = pci_dev;
1165 hw->device_id = pci_dev->id.device_id;
1166 hw->vendor_id = pci_dev->id.vendor_id;
1168 err = ionic_init_mac(hw);
1170 IONIC_PRINT(ERR, "Mac init failed: %d", err);
1172 goto err_free_adapter;
1175 adapter->num_bars = 0;
1176 for (i = 0; i < PCI_MAX_RESOURCE && i < IONIC_BARS_MAX; i++) {
1177 resource = &pci_dev->mem_resource[i];
1178 if (resource->phys_addr == 0 || resource->len == 0)
1180 adapter->bars[adapter->num_bars].vaddr = resource->addr;
1181 adapter->bars[adapter->num_bars].bus_addr = resource->phys_addr;
1182 adapter->bars[adapter->num_bars].len = resource->len;
1183 adapter->num_bars++;
1186 /* Discover ionic dev resources */
1188 err = ionic_setup(adapter);
1190 IONIC_PRINT(ERR, "Cannot setup device: %d, aborting", err);
1191 goto err_free_adapter;
1194 err = ionic_identify(adapter);
1196 IONIC_PRINT(ERR, "Cannot identify device: %d, aborting",
1198 goto err_free_adapter;
1201 err = ionic_init(adapter);
1203 IONIC_PRINT(ERR, "Cannot init device: %d, aborting", err);
1204 goto err_free_adapter;
1207 /* Configure the ports */
1208 err = ionic_port_identify(adapter);
1210 IONIC_PRINT(ERR, "Cannot identify port: %d, aborting",
1212 goto err_free_adapter;
1215 err = ionic_port_init(adapter);
1217 IONIC_PRINT(ERR, "Cannot init port: %d, aborting", err);
1218 goto err_free_adapter;
1221 /* Configure LIFs */
1222 err = ionic_lif_identify(adapter);
1224 IONIC_PRINT(ERR, "Cannot identify lif: %d, aborting", err);
1225 goto err_free_adapter;
1228 /* Allocate and init LIFs */
1229 err = ionic_lifs_size(adapter);
1231 IONIC_PRINT(ERR, "Cannot size LIFs: %d, aborting", err);
1232 goto err_free_adapter;
1235 adapter->max_mac_addrs =
1236 rte_le_to_cpu_32(adapter->ident.lif.eth.max_ucast_filters);
1238 if (rte_le_to_cpu_32(adapter->ident.dev.nlifs) != 1) {
1239 IONIC_PRINT(ERR, "Unexpected request for %d LIFs",
1240 rte_le_to_cpu_32(adapter->ident.dev.nlifs));
1241 goto err_free_adapter;
1244 snprintf(name, sizeof(name), "%s_lif", pci_dev->device.name);
1245 err = rte_eth_dev_create(&pci_dev->device,
1246 name, sizeof(struct ionic_lif),
1247 NULL, NULL, eth_ionic_dev_init, adapter);
1249 IONIC_PRINT(ERR, "Cannot create eth device for %s", name);
1250 goto err_free_adapter;
1253 err = ionic_configure_intr(adapter);
1256 IONIC_PRINT(ERR, "Failed to configure interrupts");
1257 goto err_free_adapter;
1269 eth_ionic_pci_remove(struct rte_pci_device *pci_dev)
1271 char name[RTE_ETH_NAME_MAX_LEN];
1272 struct rte_eth_dev *eth_dev;
1274 /* Adapter lookup is using the eth_dev name */
1275 snprintf(name, sizeof(name), "%s_lif", pci_dev->device.name);
1277 eth_dev = rte_eth_dev_allocated(name);
1279 ionic_dev_close(eth_dev);
1281 IONIC_PRINT(DEBUG, "Cannot find device %s",
1282 pci_dev->device.name);
1287 static struct rte_pci_driver rte_ionic_pmd = {
1288 .id_table = pci_id_ionic_map,
1289 .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
1290 .probe = eth_ionic_pci_probe,
1291 .remove = eth_ionic_pci_remove,
1294 RTE_PMD_REGISTER_PCI(net_ionic, rte_ionic_pmd);
1295 RTE_PMD_REGISTER_PCI_TABLE(net_ionic, pci_id_ionic_map);
1296 RTE_PMD_REGISTER_KMOD_DEP(net_ionic, "* igb_uio | uio_pci_generic | vfio-pci");
1297 RTE_LOG_REGISTER(ionic_logtype, pmd.net.ionic, NOTICE);