4 * Copyright(c) 2017 Cavium, Inc.. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * * Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * * Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
17 * * Neither the name of Cavium, Inc. nor the names of its
18 * contributors may be used to endorse or promote products derived
19 * from this software without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
25 * OWNER(S) OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 #include <rte_ethdev.h>
35 #include <rte_ethdev_pci.h>
36 #include <rte_cycles.h>
37 #include <rte_malloc.h>
38 #include <rte_alarm.h>
39 #include <rte_ether.h>
42 #include "lio_23xx_vf.h"
43 #include "lio_ethdev.h"
46 /* Default RSS key in use */
47 static uint8_t lio_rss_key[40] = {
48 0x6D, 0x5A, 0x56, 0xDA, 0x25, 0x5B, 0x0E, 0xC2,
49 0x41, 0x67, 0x25, 0x3D, 0x43, 0xA3, 0x8F, 0xB0,
50 0xD0, 0xCA, 0x2B, 0xCB, 0xAE, 0x7B, 0x30, 0xB4,
51 0x77, 0xCB, 0x2D, 0xA3, 0x80, 0x30, 0xF2, 0x0C,
52 0x6A, 0x42, 0xB7, 0x3B, 0xBE, 0xAC, 0x01, 0xFA,
55 static const struct rte_eth_desc_lim lio_rx_desc_lim = {
56 .nb_max = CN23XX_MAX_OQ_DESCRIPTORS,
57 .nb_min = CN23XX_MIN_OQ_DESCRIPTORS,
61 static const struct rte_eth_desc_lim lio_tx_desc_lim = {
62 .nb_max = CN23XX_MAX_IQ_DESCRIPTORS,
63 .nb_min = CN23XX_MIN_IQ_DESCRIPTORS,
67 /* Wait for control command to reach nic. */
69 lio_wait_for_ctrl_cmd(struct lio_device *lio_dev,
70 struct lio_dev_ctrl_cmd *ctrl_cmd)
72 uint16_t timeout = LIO_MAX_CMD_TIMEOUT;
74 while ((ctrl_cmd->cond == 0) && --timeout) {
75 lio_flush_iq(lio_dev, lio_dev->instr_queue[0]);
83 * \brief Send Rx control command
84 * @param eth_dev Pointer to the structure rte_eth_dev
85 * @param start_stop whether to start or stop
88 lio_send_rx_ctrl_cmd(struct rte_eth_dev *eth_dev, int start_stop)
90 struct lio_device *lio_dev = LIO_DEV(eth_dev);
91 struct lio_dev_ctrl_cmd ctrl_cmd;
92 struct lio_ctrl_pkt ctrl_pkt;
94 /* flush added to prevent cmd failure
95 * incase the queue is full
97 lio_flush_iq(lio_dev, lio_dev->instr_queue[0]);
99 memset(&ctrl_pkt, 0, sizeof(struct lio_ctrl_pkt));
100 memset(&ctrl_cmd, 0, sizeof(struct lio_dev_ctrl_cmd));
102 ctrl_cmd.eth_dev = eth_dev;
105 ctrl_pkt.ncmd.s.cmd = LIO_CMD_RX_CTL;
106 ctrl_pkt.ncmd.s.param1 = start_stop;
107 ctrl_pkt.ctrl_cmd = &ctrl_cmd;
109 if (lio_send_ctrl_pkt(lio_dev, &ctrl_pkt)) {
110 lio_dev_err(lio_dev, "Failed to send RX Control message\n");
114 if (lio_wait_for_ctrl_cmd(lio_dev, &ctrl_cmd)) {
115 lio_dev_err(lio_dev, "RX Control command timed out\n");
122 /* store statistics names and its offset in stats structure */
123 struct rte_lio_xstats_name_off {
124 char name[RTE_ETH_XSTATS_NAME_SIZE];
128 static const struct rte_lio_xstats_name_off rte_lio_stats_strings[] = {
129 {"rx_pkts", offsetof(struct octeon_rx_stats, total_rcvd)},
130 {"rx_bytes", offsetof(struct octeon_rx_stats, bytes_rcvd)},
131 {"rx_broadcast_pkts", offsetof(struct octeon_rx_stats, total_bcst)},
132 {"rx_multicast_pkts", offsetof(struct octeon_rx_stats, total_mcst)},
133 {"rx_flow_ctrl_pkts", offsetof(struct octeon_rx_stats, ctl_rcvd)},
134 {"rx_fifo_err", offsetof(struct octeon_rx_stats, fifo_err)},
135 {"rx_dmac_drop", offsetof(struct octeon_rx_stats, dmac_drop)},
136 {"rx_fcs_err", offsetof(struct octeon_rx_stats, fcs_err)},
137 {"rx_jabber_err", offsetof(struct octeon_rx_stats, jabber_err)},
138 {"rx_l2_err", offsetof(struct octeon_rx_stats, l2_err)},
139 {"rx_vxlan_pkts", offsetof(struct octeon_rx_stats, fw_rx_vxlan)},
140 {"rx_vxlan_err", offsetof(struct octeon_rx_stats, fw_rx_vxlan_err)},
141 {"rx_lro_pkts", offsetof(struct octeon_rx_stats, fw_lro_pkts)},
142 {"tx_pkts", (offsetof(struct octeon_tx_stats, total_pkts_sent)) +
143 sizeof(struct octeon_rx_stats)},
144 {"tx_bytes", (offsetof(struct octeon_tx_stats, total_bytes_sent)) +
145 sizeof(struct octeon_rx_stats)},
146 {"tx_broadcast_pkts",
147 (offsetof(struct octeon_tx_stats, bcast_pkts_sent)) +
148 sizeof(struct octeon_rx_stats)},
149 {"tx_multicast_pkts",
150 (offsetof(struct octeon_tx_stats, mcast_pkts_sent)) +
151 sizeof(struct octeon_rx_stats)},
152 {"tx_flow_ctrl_pkts", (offsetof(struct octeon_tx_stats, ctl_sent)) +
153 sizeof(struct octeon_rx_stats)},
154 {"tx_fifo_err", (offsetof(struct octeon_tx_stats, fifo_err)) +
155 sizeof(struct octeon_rx_stats)},
156 {"tx_total_collisions", (offsetof(struct octeon_tx_stats,
158 sizeof(struct octeon_rx_stats)},
159 {"tx_tso", (offsetof(struct octeon_tx_stats, fw_tso)) +
160 sizeof(struct octeon_rx_stats)},
161 {"tx_vxlan_pkts", (offsetof(struct octeon_tx_stats, fw_tx_vxlan)) +
162 sizeof(struct octeon_rx_stats)},
165 #define LIO_NB_XSTATS RTE_DIM(rte_lio_stats_strings)
167 /* Get hw stats of the port */
169 lio_dev_xstats_get(struct rte_eth_dev *eth_dev, struct rte_eth_xstat *xstats,
172 struct lio_device *lio_dev = LIO_DEV(eth_dev);
173 uint16_t timeout = LIO_MAX_CMD_TIMEOUT;
174 struct octeon_link_stats *hw_stats;
175 struct lio_link_stats_resp *resp;
176 struct lio_soft_command *sc;
181 if (!lio_dev->intf_open) {
182 lio_dev_err(lio_dev, "Port %d down\n",
187 if (n < LIO_NB_XSTATS)
188 return LIO_NB_XSTATS;
190 resp_size = sizeof(struct lio_link_stats_resp);
191 sc = lio_alloc_soft_command(lio_dev, 0, resp_size, 0);
195 resp = (struct lio_link_stats_resp *)sc->virtrptr;
196 lio_prepare_soft_command(lio_dev, sc, LIO_OPCODE,
197 LIO_OPCODE_PORT_STATS, 0, 0, 0);
199 /* Setting wait time in seconds */
200 sc->wait_time = LIO_MAX_CMD_TIMEOUT / 1000;
202 retval = lio_send_soft_command(lio_dev, sc);
203 if (retval == LIO_IQ_SEND_FAILED) {
204 lio_dev_err(lio_dev, "failed to get port stats from firmware. status: %x\n",
209 while ((*sc->status_word == LIO_COMPLETION_WORD_INIT) && --timeout) {
210 lio_flush_iq(lio_dev, lio_dev->instr_queue[sc->iq_no]);
211 lio_process_ordered_list(lio_dev);
215 retval = resp->status;
217 lio_dev_err(lio_dev, "failed to get port stats from firmware\n");
221 lio_swap_8B_data((uint64_t *)(&resp->link_stats),
222 sizeof(struct octeon_link_stats) >> 3);
224 hw_stats = &resp->link_stats;
226 for (i = 0; i < LIO_NB_XSTATS; i++) {
229 *(uint64_t *)(((char *)hw_stats) +
230 rte_lio_stats_strings[i].offset);
233 lio_free_soft_command(sc);
235 return LIO_NB_XSTATS;
238 lio_free_soft_command(sc);
244 lio_dev_xstats_get_names(struct rte_eth_dev *eth_dev,
245 struct rte_eth_xstat_name *xstats_names,
246 unsigned limit __rte_unused)
248 struct lio_device *lio_dev = LIO_DEV(eth_dev);
251 if (!lio_dev->intf_open) {
252 lio_dev_err(lio_dev, "Port %d down\n",
257 if (xstats_names == NULL)
258 return LIO_NB_XSTATS;
260 /* Note: limit checked in rte_eth_xstats_names() */
262 for (i = 0; i < LIO_NB_XSTATS; i++) {
263 snprintf(xstats_names[i].name, sizeof(xstats_names[i].name),
264 "%s", rte_lio_stats_strings[i].name);
267 return LIO_NB_XSTATS;
270 /* Reset hw stats for the port */
272 lio_dev_xstats_reset(struct rte_eth_dev *eth_dev)
274 struct lio_device *lio_dev = LIO_DEV(eth_dev);
275 struct lio_dev_ctrl_cmd ctrl_cmd;
276 struct lio_ctrl_pkt ctrl_pkt;
278 if (!lio_dev->intf_open) {
279 lio_dev_err(lio_dev, "Port %d down\n",
284 /* flush added to prevent cmd failure
285 * incase the queue is full
287 lio_flush_iq(lio_dev, lio_dev->instr_queue[0]);
289 memset(&ctrl_pkt, 0, sizeof(struct lio_ctrl_pkt));
290 memset(&ctrl_cmd, 0, sizeof(struct lio_dev_ctrl_cmd));
292 ctrl_cmd.eth_dev = eth_dev;
295 ctrl_pkt.ncmd.s.cmd = LIO_CMD_CLEAR_STATS;
296 ctrl_pkt.ctrl_cmd = &ctrl_cmd;
298 if (lio_send_ctrl_pkt(lio_dev, &ctrl_pkt)) {
299 lio_dev_err(lio_dev, "Failed to send clear stats command\n");
303 if (lio_wait_for_ctrl_cmd(lio_dev, &ctrl_cmd)) {
304 lio_dev_err(lio_dev, "Clear stats command timed out\n");
308 /* clear stored per queue stats */
309 RTE_FUNC_PTR_OR_RET(*eth_dev->dev_ops->stats_reset);
310 (*eth_dev->dev_ops->stats_reset)(eth_dev);
313 /* Retrieve the device statistics (# packets in/out, # bytes in/out, etc */
315 lio_dev_stats_get(struct rte_eth_dev *eth_dev,
316 struct rte_eth_stats *stats)
318 struct lio_device *lio_dev = LIO_DEV(eth_dev);
319 struct lio_droq_stats *oq_stats;
320 struct lio_iq_stats *iq_stats;
321 struct lio_instr_queue *txq;
322 struct lio_droq *droq;
328 for (i = 0; i < eth_dev->data->nb_tx_queues; i++) {
329 iq_no = lio_dev->linfo.txpciq[i].s.q_no;
330 txq = lio_dev->instr_queue[iq_no];
332 iq_stats = &txq->stats;
333 pkts += iq_stats->tx_done;
334 drop += iq_stats->tx_dropped;
335 bytes += iq_stats->tx_tot_bytes;
339 stats->opackets = pkts;
340 stats->obytes = bytes;
341 stats->oerrors = drop;
347 for (i = 0; i < eth_dev->data->nb_rx_queues; i++) {
348 oq_no = lio_dev->linfo.rxpciq[i].s.q_no;
349 droq = lio_dev->droq[oq_no];
351 oq_stats = &droq->stats;
352 pkts += oq_stats->rx_pkts_received;
353 drop += (oq_stats->rx_dropped +
354 oq_stats->dropped_toomany +
355 oq_stats->dropped_nomem);
356 bytes += oq_stats->rx_bytes_received;
359 stats->ibytes = bytes;
360 stats->ipackets = pkts;
361 stats->ierrors = drop;
365 lio_dev_stats_reset(struct rte_eth_dev *eth_dev)
367 struct lio_device *lio_dev = LIO_DEV(eth_dev);
368 struct lio_droq_stats *oq_stats;
369 struct lio_iq_stats *iq_stats;
370 struct lio_instr_queue *txq;
371 struct lio_droq *droq;
374 for (i = 0; i < eth_dev->data->nb_tx_queues; i++) {
375 iq_no = lio_dev->linfo.txpciq[i].s.q_no;
376 txq = lio_dev->instr_queue[iq_no];
378 iq_stats = &txq->stats;
379 memset(iq_stats, 0, sizeof(struct lio_iq_stats));
383 for (i = 0; i < eth_dev->data->nb_rx_queues; i++) {
384 oq_no = lio_dev->linfo.rxpciq[i].s.q_no;
385 droq = lio_dev->droq[oq_no];
387 oq_stats = &droq->stats;
388 memset(oq_stats, 0, sizeof(struct lio_droq_stats));
394 lio_dev_info_get(struct rte_eth_dev *eth_dev,
395 struct rte_eth_dev_info *devinfo)
397 struct lio_device *lio_dev = LIO_DEV(eth_dev);
398 struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
400 devinfo->pci_dev = pci_dev;
402 switch (pci_dev->id.subsystem_device_id) {
403 /* CN23xx 10G cards */
404 case PCI_SUBSYS_DEV_ID_CN2350_210:
405 case PCI_SUBSYS_DEV_ID_CN2360_210:
406 devinfo->speed_capa = ETH_LINK_SPEED_10G;
408 /* CN23xx 25G cards */
409 case PCI_SUBSYS_DEV_ID_CN2350_225:
410 case PCI_SUBSYS_DEV_ID_CN2360_225:
411 devinfo->speed_capa = ETH_LINK_SPEED_25G;
415 "Unknown CN23XX subsystem device id. Not setting speed capability.\n");
418 devinfo->max_rx_queues = lio_dev->max_rx_queues;
419 devinfo->max_tx_queues = lio_dev->max_tx_queues;
421 devinfo->min_rx_bufsize = LIO_MIN_RX_BUF_SIZE;
422 devinfo->max_rx_pktlen = LIO_MAX_RX_PKTLEN;
424 devinfo->max_mac_addrs = 1;
426 devinfo->rx_offload_capa = (DEV_RX_OFFLOAD_IPV4_CKSUM |
427 DEV_RX_OFFLOAD_UDP_CKSUM |
428 DEV_RX_OFFLOAD_TCP_CKSUM |
429 DEV_RX_OFFLOAD_VLAN_STRIP);
430 devinfo->tx_offload_capa = (DEV_TX_OFFLOAD_IPV4_CKSUM |
431 DEV_TX_OFFLOAD_UDP_CKSUM |
432 DEV_TX_OFFLOAD_TCP_CKSUM |
433 DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM);
435 devinfo->rx_desc_lim = lio_rx_desc_lim;
436 devinfo->tx_desc_lim = lio_tx_desc_lim;
438 devinfo->reta_size = LIO_RSS_MAX_TABLE_SZ;
439 devinfo->hash_key_size = LIO_RSS_MAX_KEY_SZ;
440 devinfo->flow_type_rss_offloads = (ETH_RSS_IPV4 |
441 ETH_RSS_NONFRAG_IPV4_TCP |
443 ETH_RSS_NONFRAG_IPV6_TCP |
445 ETH_RSS_IPV6_TCP_EX);
449 lio_dev_validate_vf_mtu(struct rte_eth_dev *eth_dev, uint16_t new_mtu)
451 struct lio_device *lio_dev = LIO_DEV(eth_dev);
453 PMD_INIT_FUNC_TRACE();
455 if (!lio_dev->intf_open) {
456 lio_dev_err(lio_dev, "Port %d down, can't check MTU\n",
461 /* Limit the MTU to make sure the ethernet packets are between
462 * ETHER_MIN_MTU bytes and PF's MTU
464 if ((new_mtu < ETHER_MIN_MTU) ||
465 (new_mtu > lio_dev->linfo.link.s.mtu)) {
466 lio_dev_err(lio_dev, "Invalid MTU: %d\n", new_mtu);
467 lio_dev_err(lio_dev, "Valid range %d and %d\n",
468 ETHER_MIN_MTU, lio_dev->linfo.link.s.mtu);
476 lio_dev_rss_reta_update(struct rte_eth_dev *eth_dev,
477 struct rte_eth_rss_reta_entry64 *reta_conf,
480 struct lio_device *lio_dev = LIO_DEV(eth_dev);
481 struct lio_rss_ctx *rss_state = &lio_dev->rss_state;
482 struct lio_rss_set *rss_param;
483 struct lio_dev_ctrl_cmd ctrl_cmd;
484 struct lio_ctrl_pkt ctrl_pkt;
487 if (!lio_dev->intf_open) {
488 lio_dev_err(lio_dev, "Port %d down, can't update reta\n",
493 if (reta_size != LIO_RSS_MAX_TABLE_SZ) {
495 "The size of hash lookup table configured (%d) doesn't match the number hardware can supported (%d)\n",
496 reta_size, LIO_RSS_MAX_TABLE_SZ);
500 /* flush added to prevent cmd failure
501 * incase the queue is full
503 lio_flush_iq(lio_dev, lio_dev->instr_queue[0]);
505 memset(&ctrl_pkt, 0, sizeof(struct lio_ctrl_pkt));
506 memset(&ctrl_cmd, 0, sizeof(struct lio_dev_ctrl_cmd));
508 rss_param = (struct lio_rss_set *)&ctrl_pkt.udd[0];
510 ctrl_cmd.eth_dev = eth_dev;
513 ctrl_pkt.ncmd.s.cmd = LIO_CMD_SET_RSS;
514 ctrl_pkt.ncmd.s.more = sizeof(struct lio_rss_set) >> 3;
515 ctrl_pkt.ctrl_cmd = &ctrl_cmd;
517 rss_param->param.flags = 0xF;
518 rss_param->param.flags &= ~LIO_RSS_PARAM_ITABLE_UNCHANGED;
519 rss_param->param.itablesize = LIO_RSS_MAX_TABLE_SZ;
521 for (i = 0; i < (reta_size / RTE_RETA_GROUP_SIZE); i++) {
522 for (j = 0; j < RTE_RETA_GROUP_SIZE; j++) {
523 if ((reta_conf[i].mask) & ((uint64_t)1 << j)) {
524 index = (i * RTE_RETA_GROUP_SIZE) + j;
525 rss_state->itable[index] = reta_conf[i].reta[j];
530 rss_state->itable_size = LIO_RSS_MAX_TABLE_SZ;
531 memcpy(rss_param->itable, rss_state->itable, rss_state->itable_size);
533 lio_swap_8B_data((uint64_t *)rss_param, LIO_RSS_PARAM_SIZE >> 3);
535 if (lio_send_ctrl_pkt(lio_dev, &ctrl_pkt)) {
536 lio_dev_err(lio_dev, "Failed to set rss hash\n");
540 if (lio_wait_for_ctrl_cmd(lio_dev, &ctrl_cmd)) {
541 lio_dev_err(lio_dev, "Set rss hash timed out\n");
549 lio_dev_rss_reta_query(struct rte_eth_dev *eth_dev,
550 struct rte_eth_rss_reta_entry64 *reta_conf,
553 struct lio_device *lio_dev = LIO_DEV(eth_dev);
554 struct lio_rss_ctx *rss_state = &lio_dev->rss_state;
557 if (reta_size != LIO_RSS_MAX_TABLE_SZ) {
559 "The size of hash lookup table configured (%d) doesn't match the number hardware can supported (%d)\n",
560 reta_size, LIO_RSS_MAX_TABLE_SZ);
564 num = reta_size / RTE_RETA_GROUP_SIZE;
566 for (i = 0; i < num; i++) {
567 memcpy(reta_conf->reta,
568 &rss_state->itable[i * RTE_RETA_GROUP_SIZE],
569 RTE_RETA_GROUP_SIZE);
577 lio_dev_rss_hash_conf_get(struct rte_eth_dev *eth_dev,
578 struct rte_eth_rss_conf *rss_conf)
580 struct lio_device *lio_dev = LIO_DEV(eth_dev);
581 struct lio_rss_ctx *rss_state = &lio_dev->rss_state;
582 uint8_t *hash_key = NULL;
585 if (rss_state->hash_disable) {
586 lio_dev_info(lio_dev, "RSS disabled in nic\n");
587 rss_conf->rss_hf = 0;
592 hash_key = rss_conf->rss_key;
593 if (hash_key != NULL)
594 memcpy(hash_key, rss_state->hash_key, rss_state->hash_key_size);
597 rss_hf |= ETH_RSS_IPV4;
598 if (rss_state->tcp_hash)
599 rss_hf |= ETH_RSS_NONFRAG_IPV4_TCP;
601 rss_hf |= ETH_RSS_IPV6;
602 if (rss_state->ipv6_tcp_hash)
603 rss_hf |= ETH_RSS_NONFRAG_IPV6_TCP;
604 if (rss_state->ipv6_ex)
605 rss_hf |= ETH_RSS_IPV6_EX;
606 if (rss_state->ipv6_tcp_ex_hash)
607 rss_hf |= ETH_RSS_IPV6_TCP_EX;
609 rss_conf->rss_hf = rss_hf;
615 lio_dev_rss_hash_update(struct rte_eth_dev *eth_dev,
616 struct rte_eth_rss_conf *rss_conf)
618 struct lio_device *lio_dev = LIO_DEV(eth_dev);
619 struct lio_rss_ctx *rss_state = &lio_dev->rss_state;
620 struct lio_rss_set *rss_param;
621 struct lio_dev_ctrl_cmd ctrl_cmd;
622 struct lio_ctrl_pkt ctrl_pkt;
624 if (!lio_dev->intf_open) {
625 lio_dev_err(lio_dev, "Port %d down, can't update hash\n",
630 /* flush added to prevent cmd failure
631 * incase the queue is full
633 lio_flush_iq(lio_dev, lio_dev->instr_queue[0]);
635 memset(&ctrl_pkt, 0, sizeof(struct lio_ctrl_pkt));
636 memset(&ctrl_cmd, 0, sizeof(struct lio_dev_ctrl_cmd));
638 rss_param = (struct lio_rss_set *)&ctrl_pkt.udd[0];
640 ctrl_cmd.eth_dev = eth_dev;
643 ctrl_pkt.ncmd.s.cmd = LIO_CMD_SET_RSS;
644 ctrl_pkt.ncmd.s.more = sizeof(struct lio_rss_set) >> 3;
645 ctrl_pkt.ctrl_cmd = &ctrl_cmd;
647 rss_param->param.flags = 0xF;
649 if (rss_conf->rss_key) {
650 rss_param->param.flags &= ~LIO_RSS_PARAM_HASH_KEY_UNCHANGED;
651 rss_state->hash_key_size = LIO_RSS_MAX_KEY_SZ;
652 rss_param->param.hashkeysize = LIO_RSS_MAX_KEY_SZ;
653 memcpy(rss_state->hash_key, rss_conf->rss_key,
654 rss_state->hash_key_size);
655 memcpy(rss_param->key, rss_state->hash_key,
656 rss_state->hash_key_size);
659 if ((rss_conf->rss_hf & LIO_RSS_OFFLOAD_ALL) == 0) {
660 /* Can't disable rss through hash flags,
661 * if it is enabled by default during init
663 if (!rss_state->hash_disable)
666 /* This is for --disable-rss during testpmd launch */
667 rss_param->param.flags |= LIO_RSS_PARAM_DISABLE_RSS;
669 uint32_t hashinfo = 0;
671 /* Can't enable rss if disabled by default during init */
672 if (rss_state->hash_disable)
675 if (rss_conf->rss_hf & ETH_RSS_IPV4) {
676 hashinfo |= LIO_RSS_HASH_IPV4;
682 if (rss_conf->rss_hf & ETH_RSS_NONFRAG_IPV4_TCP) {
683 hashinfo |= LIO_RSS_HASH_TCP_IPV4;
684 rss_state->tcp_hash = 1;
686 rss_state->tcp_hash = 0;
689 if (rss_conf->rss_hf & ETH_RSS_IPV6) {
690 hashinfo |= LIO_RSS_HASH_IPV6;
696 if (rss_conf->rss_hf & ETH_RSS_NONFRAG_IPV6_TCP) {
697 hashinfo |= LIO_RSS_HASH_TCP_IPV6;
698 rss_state->ipv6_tcp_hash = 1;
700 rss_state->ipv6_tcp_hash = 0;
703 if (rss_conf->rss_hf & ETH_RSS_IPV6_EX) {
704 hashinfo |= LIO_RSS_HASH_IPV6_EX;
705 rss_state->ipv6_ex = 1;
707 rss_state->ipv6_ex = 0;
710 if (rss_conf->rss_hf & ETH_RSS_IPV6_TCP_EX) {
711 hashinfo |= LIO_RSS_HASH_TCP_IPV6_EX;
712 rss_state->ipv6_tcp_ex_hash = 1;
714 rss_state->ipv6_tcp_ex_hash = 0;
717 rss_param->param.flags &= ~LIO_RSS_PARAM_HASH_INFO_UNCHANGED;
718 rss_param->param.hashinfo = hashinfo;
721 lio_swap_8B_data((uint64_t *)rss_param, LIO_RSS_PARAM_SIZE >> 3);
723 if (lio_send_ctrl_pkt(lio_dev, &ctrl_pkt)) {
724 lio_dev_err(lio_dev, "Failed to set rss hash\n");
728 if (lio_wait_for_ctrl_cmd(lio_dev, &ctrl_cmd)) {
729 lio_dev_err(lio_dev, "Set rss hash timed out\n");
737 * Add vxlan dest udp port for an interface.
740 * Pointer to the structure rte_eth_dev
745 * On success return 0
746 * On failure return -1
749 lio_dev_udp_tunnel_add(struct rte_eth_dev *eth_dev,
750 struct rte_eth_udp_tunnel *udp_tnl)
752 struct lio_device *lio_dev = LIO_DEV(eth_dev);
753 struct lio_dev_ctrl_cmd ctrl_cmd;
754 struct lio_ctrl_pkt ctrl_pkt;
759 if (udp_tnl->prot_type != RTE_TUNNEL_TYPE_VXLAN) {
760 lio_dev_err(lio_dev, "Unsupported tunnel type\n");
764 /* flush added to prevent cmd failure
765 * incase the queue is full
767 lio_flush_iq(lio_dev, lio_dev->instr_queue[0]);
769 memset(&ctrl_pkt, 0, sizeof(struct lio_ctrl_pkt));
770 memset(&ctrl_cmd, 0, sizeof(struct lio_dev_ctrl_cmd));
772 ctrl_cmd.eth_dev = eth_dev;
775 ctrl_pkt.ncmd.s.cmd = LIO_CMD_VXLAN_PORT_CONFIG;
776 ctrl_pkt.ncmd.s.param1 = udp_tnl->udp_port;
777 ctrl_pkt.ncmd.s.more = LIO_CMD_VXLAN_PORT_ADD;
778 ctrl_pkt.ctrl_cmd = &ctrl_cmd;
780 if (lio_send_ctrl_pkt(lio_dev, &ctrl_pkt)) {
781 lio_dev_err(lio_dev, "Failed to send VXLAN_PORT_ADD command\n");
785 if (lio_wait_for_ctrl_cmd(lio_dev, &ctrl_cmd)) {
786 lio_dev_err(lio_dev, "VXLAN_PORT_ADD command timed out\n");
794 * Remove vxlan dest udp port for an interface.
797 * Pointer to the structure rte_eth_dev
802 * On success return 0
803 * On failure return -1
806 lio_dev_udp_tunnel_del(struct rte_eth_dev *eth_dev,
807 struct rte_eth_udp_tunnel *udp_tnl)
809 struct lio_device *lio_dev = LIO_DEV(eth_dev);
810 struct lio_dev_ctrl_cmd ctrl_cmd;
811 struct lio_ctrl_pkt ctrl_pkt;
816 if (udp_tnl->prot_type != RTE_TUNNEL_TYPE_VXLAN) {
817 lio_dev_err(lio_dev, "Unsupported tunnel type\n");
821 /* flush added to prevent cmd failure
822 * incase the queue is full
824 lio_flush_iq(lio_dev, lio_dev->instr_queue[0]);
826 memset(&ctrl_pkt, 0, sizeof(struct lio_ctrl_pkt));
827 memset(&ctrl_cmd, 0, sizeof(struct lio_dev_ctrl_cmd));
829 ctrl_cmd.eth_dev = eth_dev;
832 ctrl_pkt.ncmd.s.cmd = LIO_CMD_VXLAN_PORT_CONFIG;
833 ctrl_pkt.ncmd.s.param1 = udp_tnl->udp_port;
834 ctrl_pkt.ncmd.s.more = LIO_CMD_VXLAN_PORT_DEL;
835 ctrl_pkt.ctrl_cmd = &ctrl_cmd;
837 if (lio_send_ctrl_pkt(lio_dev, &ctrl_pkt)) {
838 lio_dev_err(lio_dev, "Failed to send VXLAN_PORT_DEL command\n");
842 if (lio_wait_for_ctrl_cmd(lio_dev, &ctrl_cmd)) {
843 lio_dev_err(lio_dev, "VXLAN_PORT_DEL command timed out\n");
851 lio_dev_vlan_filter_set(struct rte_eth_dev *eth_dev, uint16_t vlan_id, int on)
853 struct lio_device *lio_dev = LIO_DEV(eth_dev);
854 struct lio_dev_ctrl_cmd ctrl_cmd;
855 struct lio_ctrl_pkt ctrl_pkt;
857 if (lio_dev->linfo.vlan_is_admin_assigned)
860 /* flush added to prevent cmd failure
861 * incase the queue is full
863 lio_flush_iq(lio_dev, lio_dev->instr_queue[0]);
865 memset(&ctrl_pkt, 0, sizeof(struct lio_ctrl_pkt));
866 memset(&ctrl_cmd, 0, sizeof(struct lio_dev_ctrl_cmd));
868 ctrl_cmd.eth_dev = eth_dev;
871 ctrl_pkt.ncmd.s.cmd = on ?
872 LIO_CMD_ADD_VLAN_FILTER : LIO_CMD_DEL_VLAN_FILTER;
873 ctrl_pkt.ncmd.s.param1 = vlan_id;
874 ctrl_pkt.ctrl_cmd = &ctrl_cmd;
876 if (lio_send_ctrl_pkt(lio_dev, &ctrl_pkt)) {
877 lio_dev_err(lio_dev, "Failed to %s VLAN port\n",
878 on ? "add" : "remove");
882 if (lio_wait_for_ctrl_cmd(lio_dev, &ctrl_cmd)) {
883 lio_dev_err(lio_dev, "Command to %s VLAN port timed out\n",
884 on ? "add" : "remove");
892 * Atomically writes the link status information into global
893 * structure rte_eth_dev.
896 * - Pointer to the structure rte_eth_dev to read from.
897 * - Pointer to the buffer to be saved with the link status.
900 * - On success, zero.
901 * - On failure, negative value.
904 lio_dev_atomic_write_link_status(struct rte_eth_dev *eth_dev,
905 struct rte_eth_link *link)
907 struct rte_eth_link *dst = ð_dev->data->dev_link;
908 struct rte_eth_link *src = link;
910 if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
911 *(uint64_t *)src) == 0)
918 lio_hweight64(uint64_t w)
920 uint64_t res = w - ((w >> 1) & 0x5555555555555555ul);
923 (res & 0x3333333333333333ul) + ((res >> 2) & 0x3333333333333333ul);
924 res = (res + (res >> 4)) & 0x0F0F0F0F0F0F0F0Ful;
925 res = res + (res >> 8);
926 res = res + (res >> 16);
928 return (res + (res >> 32)) & 0x00000000000000FFul;
932 lio_dev_link_update(struct rte_eth_dev *eth_dev,
933 int wait_to_complete __rte_unused)
935 struct lio_device *lio_dev = LIO_DEV(eth_dev);
936 struct rte_eth_link link, old;
939 link.link_status = ETH_LINK_DOWN;
940 link.link_speed = ETH_SPEED_NUM_NONE;
941 link.link_duplex = ETH_LINK_HALF_DUPLEX;
942 memset(&old, 0, sizeof(old));
944 /* Return what we found */
945 if (lio_dev->linfo.link.s.link_up == 0) {
946 /* Interface is down */
947 if (lio_dev_atomic_write_link_status(eth_dev, &link))
949 if (link.link_status == old.link_status)
954 link.link_status = ETH_LINK_UP; /* Interface is up */
955 link.link_duplex = ETH_LINK_FULL_DUPLEX;
956 switch (lio_dev->linfo.link.s.speed) {
957 case LIO_LINK_SPEED_10000:
958 link.link_speed = ETH_SPEED_NUM_10G;
960 case LIO_LINK_SPEED_25000:
961 link.link_speed = ETH_SPEED_NUM_25G;
964 link.link_speed = ETH_SPEED_NUM_NONE;
965 link.link_duplex = ETH_LINK_HALF_DUPLEX;
968 if (lio_dev_atomic_write_link_status(eth_dev, &link))
971 if (link.link_status == old.link_status)
978 * \brief Net device enable, disable allmulticast
979 * @param eth_dev Pointer to the structure rte_eth_dev
982 lio_change_dev_flag(struct rte_eth_dev *eth_dev)
984 struct lio_device *lio_dev = LIO_DEV(eth_dev);
985 struct lio_dev_ctrl_cmd ctrl_cmd;
986 struct lio_ctrl_pkt ctrl_pkt;
988 /* flush added to prevent cmd failure
989 * incase the queue is full
991 lio_flush_iq(lio_dev, lio_dev->instr_queue[0]);
993 memset(&ctrl_pkt, 0, sizeof(struct lio_ctrl_pkt));
994 memset(&ctrl_cmd, 0, sizeof(struct lio_dev_ctrl_cmd));
996 ctrl_cmd.eth_dev = eth_dev;
999 /* Create a ctrl pkt command to be sent to core app. */
1000 ctrl_pkt.ncmd.s.cmd = LIO_CMD_CHANGE_DEVFLAGS;
1001 ctrl_pkt.ncmd.s.param1 = lio_dev->ifflags;
1002 ctrl_pkt.ctrl_cmd = &ctrl_cmd;
1004 if (lio_send_ctrl_pkt(lio_dev, &ctrl_pkt)) {
1005 lio_dev_err(lio_dev, "Failed to send change flag message\n");
1009 if (lio_wait_for_ctrl_cmd(lio_dev, &ctrl_cmd))
1010 lio_dev_err(lio_dev, "Change dev flag command timed out\n");
1014 lio_dev_allmulticast_enable(struct rte_eth_dev *eth_dev)
1016 struct lio_device *lio_dev = LIO_DEV(eth_dev);
1018 if (!lio_dev->intf_open) {
1019 lio_dev_err(lio_dev, "Port %d down, can't enable multicast\n",
1024 lio_dev->ifflags |= LIO_IFFLAG_ALLMULTI;
1025 lio_change_dev_flag(eth_dev);
1029 lio_dev_allmulticast_disable(struct rte_eth_dev *eth_dev)
1031 struct lio_device *lio_dev = LIO_DEV(eth_dev);
1033 if (!lio_dev->intf_open) {
1034 lio_dev_err(lio_dev, "Port %d down, can't disable multicast\n",
1039 lio_dev->ifflags &= ~LIO_IFFLAG_ALLMULTI;
1040 lio_change_dev_flag(eth_dev);
1044 lio_dev_rss_configure(struct rte_eth_dev *eth_dev)
1046 struct lio_device *lio_dev = LIO_DEV(eth_dev);
1047 struct lio_rss_ctx *rss_state = &lio_dev->rss_state;
1048 struct rte_eth_rss_reta_entry64 reta_conf[8];
1049 struct rte_eth_rss_conf rss_conf;
1052 /* Configure the RSS key and the RSS protocols used to compute
1053 * the RSS hash of input packets.
1055 rss_conf = eth_dev->data->dev_conf.rx_adv_conf.rss_conf;
1056 if ((rss_conf.rss_hf & LIO_RSS_OFFLOAD_ALL) == 0) {
1057 rss_state->hash_disable = 1;
1058 lio_dev_rss_hash_update(eth_dev, &rss_conf);
1062 if (rss_conf.rss_key == NULL)
1063 rss_conf.rss_key = lio_rss_key; /* Default hash key */
1065 lio_dev_rss_hash_update(eth_dev, &rss_conf);
1067 memset(reta_conf, 0, sizeof(reta_conf));
1068 for (i = 0; i < LIO_RSS_MAX_TABLE_SZ; i++) {
1069 uint8_t q_idx, conf_idx, reta_idx;
1071 q_idx = (uint8_t)((eth_dev->data->nb_rx_queues > 1) ?
1072 i % eth_dev->data->nb_rx_queues : 0);
1073 conf_idx = i / RTE_RETA_GROUP_SIZE;
1074 reta_idx = i % RTE_RETA_GROUP_SIZE;
1075 reta_conf[conf_idx].reta[reta_idx] = q_idx;
1076 reta_conf[conf_idx].mask |= ((uint64_t)1 << reta_idx);
1079 lio_dev_rss_reta_update(eth_dev, reta_conf, LIO_RSS_MAX_TABLE_SZ);
1083 lio_dev_mq_rx_configure(struct rte_eth_dev *eth_dev)
1085 struct lio_device *lio_dev = LIO_DEV(eth_dev);
1086 struct lio_rss_ctx *rss_state = &lio_dev->rss_state;
1087 struct rte_eth_rss_conf rss_conf;
1089 switch (eth_dev->data->dev_conf.rxmode.mq_mode) {
1091 lio_dev_rss_configure(eth_dev);
1093 case ETH_MQ_RX_NONE:
1094 /* if mq_mode is none, disable rss mode. */
1096 memset(&rss_conf, 0, sizeof(rss_conf));
1097 rss_state->hash_disable = 1;
1098 lio_dev_rss_hash_update(eth_dev, &rss_conf);
1103 * Setup our receive queue/ringbuffer. This is the
1104 * queue the Octeon uses to send us packets and
1105 * responses. We are given a memory pool for our
1106 * packet buffers that are used to populate the receive
1110 * Pointer to the structure rte_eth_dev
1113 * @param num_rx_descs
1114 * Number of entries in the queue
1116 * Where to allocate memory
1118 * Pointer to the struction rte_eth_rxconf
1120 * Pointer to the packet pool
1123 * - On success, return 0
1124 * - On failure, return -1
1127 lio_dev_rx_queue_setup(struct rte_eth_dev *eth_dev, uint16_t q_no,
1128 uint16_t num_rx_descs, unsigned int socket_id,
1129 const struct rte_eth_rxconf *rx_conf __rte_unused,
1130 struct rte_mempool *mp)
1132 struct lio_device *lio_dev = LIO_DEV(eth_dev);
1133 struct rte_pktmbuf_pool_private *mbp_priv;
1134 uint32_t fw_mapped_oq;
1137 if (q_no >= lio_dev->nb_rx_queues) {
1138 lio_dev_err(lio_dev, "Invalid rx queue number %u\n", q_no);
1142 lio_dev_dbg(lio_dev, "setting up rx queue %u\n", q_no);
1144 fw_mapped_oq = lio_dev->linfo.rxpciq[q_no].s.q_no;
1146 if ((lio_dev->droq[fw_mapped_oq]) &&
1147 (num_rx_descs != lio_dev->droq[fw_mapped_oq]->max_count)) {
1148 lio_dev_err(lio_dev,
1149 "Reconfiguring Rx descs not supported. Configure descs to same value %u or restart application\n",
1150 lio_dev->droq[fw_mapped_oq]->max_count);
1154 mbp_priv = rte_mempool_get_priv(mp);
1155 buf_size = mbp_priv->mbuf_data_room_size - RTE_PKTMBUF_HEADROOM;
1157 if (lio_setup_droq(lio_dev, fw_mapped_oq, num_rx_descs, buf_size, mp,
1159 lio_dev_err(lio_dev, "droq allocation failed\n");
1163 eth_dev->data->rx_queues[q_no] = lio_dev->droq[fw_mapped_oq];
1169 * Release the receive queue/ringbuffer. Called by
1173 * Opaque pointer to the receive queue to release
1179 lio_dev_rx_queue_release(void *rxq)
1181 struct lio_droq *droq = rxq;
1185 /* Run time queue deletion not supported */
1186 if (droq->lio_dev->port_configured)
1190 lio_delete_droq_queue(droq->lio_dev, oq_no);
1195 * Allocate and initialize SW ring. Initialize associated HW registers.
1198 * Pointer to structure rte_eth_dev
1203 * @param num_tx_descs
1204 * Number of ringbuffer descriptors
1207 * NUMA socket id, used for memory allocations
1210 * Pointer to the structure rte_eth_txconf
1213 * - On success, return 0
1214 * - On failure, return -errno value
1217 lio_dev_tx_queue_setup(struct rte_eth_dev *eth_dev, uint16_t q_no,
1218 uint16_t num_tx_descs, unsigned int socket_id,
1219 const struct rte_eth_txconf *tx_conf __rte_unused)
1221 struct lio_device *lio_dev = LIO_DEV(eth_dev);
1222 int fw_mapped_iq = lio_dev->linfo.txpciq[q_no].s.q_no;
1225 if (q_no >= lio_dev->nb_tx_queues) {
1226 lio_dev_err(lio_dev, "Invalid tx queue number %u\n", q_no);
1230 lio_dev_dbg(lio_dev, "setting up tx queue %u\n", q_no);
1232 if ((lio_dev->instr_queue[fw_mapped_iq] != NULL) &&
1233 (num_tx_descs != lio_dev->instr_queue[fw_mapped_iq]->max_count)) {
1234 lio_dev_err(lio_dev,
1235 "Reconfiguring Tx descs not supported. Configure descs to same value %u or restart application\n",
1236 lio_dev->instr_queue[fw_mapped_iq]->max_count);
1240 retval = lio_setup_iq(lio_dev, q_no, lio_dev->linfo.txpciq[q_no],
1241 num_tx_descs, lio_dev, socket_id);
1244 lio_dev_err(lio_dev, "Runtime IQ(TxQ) creation failed.\n");
1248 retval = lio_setup_sglists(lio_dev, q_no, fw_mapped_iq,
1249 lio_dev->instr_queue[fw_mapped_iq]->max_count,
1253 lio_delete_instruction_queue(lio_dev, fw_mapped_iq);
1257 eth_dev->data->tx_queues[q_no] = lio_dev->instr_queue[fw_mapped_iq];
1263 * Release the transmit queue/ringbuffer. Called by
1267 * Opaque pointer to the transmit queue to release
1273 lio_dev_tx_queue_release(void *txq)
1275 struct lio_instr_queue *tq = txq;
1276 uint32_t fw_mapped_iq_no;
1280 /* Run time queue deletion not supported */
1281 if (tq->lio_dev->port_configured)
1285 lio_delete_sglist(tq);
1287 fw_mapped_iq_no = tq->txpciq.s.q_no;
1288 lio_delete_instruction_queue(tq->lio_dev, fw_mapped_iq_no);
1293 * Api to check link state.
1296 lio_dev_get_link_status(struct rte_eth_dev *eth_dev)
1298 struct lio_device *lio_dev = LIO_DEV(eth_dev);
1299 uint16_t timeout = LIO_MAX_CMD_TIMEOUT;
1300 struct lio_link_status_resp *resp;
1301 union octeon_link_status *ls;
1302 struct lio_soft_command *sc;
1305 if (!lio_dev->intf_open)
1308 resp_size = sizeof(struct lio_link_status_resp);
1309 sc = lio_alloc_soft_command(lio_dev, 0, resp_size, 0);
1313 resp = (struct lio_link_status_resp *)sc->virtrptr;
1314 lio_prepare_soft_command(lio_dev, sc, LIO_OPCODE,
1315 LIO_OPCODE_INFO, 0, 0, 0);
1317 /* Setting wait time in seconds */
1318 sc->wait_time = LIO_MAX_CMD_TIMEOUT / 1000;
1320 if (lio_send_soft_command(lio_dev, sc) == LIO_IQ_SEND_FAILED)
1321 goto get_status_fail;
1323 while ((*sc->status_word == LIO_COMPLETION_WORD_INIT) && --timeout) {
1324 lio_flush_iq(lio_dev, lio_dev->instr_queue[sc->iq_no]);
1329 goto get_status_fail;
1331 ls = &resp->link_info.link;
1333 lio_swap_8B_data((uint64_t *)ls, sizeof(union octeon_link_status) >> 3);
1335 if (lio_dev->linfo.link.link_status64 != ls->link_status64) {
1336 lio_dev->linfo.link.link_status64 = ls->link_status64;
1337 lio_dev_link_update(eth_dev, 0);
1340 lio_free_soft_command(sc);
1345 lio_free_soft_command(sc);
1348 /* This function will be invoked every LSC_TIMEOUT ns (100ms)
1349 * and will update link state if it changes.
1352 lio_sync_link_state_check(void *eth_dev)
1354 struct lio_device *lio_dev =
1355 (((struct rte_eth_dev *)eth_dev)->data->dev_private);
1357 if (lio_dev->port_configured)
1358 lio_dev_get_link_status(eth_dev);
1360 /* Schedule periodic link status check.
1361 * Stop check if interface is close and start again while opening.
1363 if (lio_dev->intf_open)
1364 rte_eal_alarm_set(LIO_LSC_TIMEOUT, lio_sync_link_state_check,
1369 lio_dev_start(struct rte_eth_dev *eth_dev)
1372 uint32_t frame_len = eth_dev->data->dev_conf.rxmode.max_rx_pkt_len;
1373 struct lio_device *lio_dev = LIO_DEV(eth_dev);
1374 uint16_t timeout = LIO_MAX_CMD_TIMEOUT;
1377 lio_dev_info(lio_dev, "Starting port %d\n", eth_dev->data->port_id);
1379 if (lio_dev->fn_list.enable_io_queues(lio_dev))
1382 if (lio_send_rx_ctrl_cmd(eth_dev, 1))
1385 /* Ready for link status updates */
1386 lio_dev->intf_open = 1;
1389 /* Configure RSS if device configured with multiple RX queues. */
1390 lio_dev_mq_rx_configure(eth_dev);
1392 /* start polling for lsc */
1393 ret = rte_eal_alarm_set(LIO_LSC_TIMEOUT,
1394 lio_sync_link_state_check,
1397 lio_dev_err(lio_dev,
1398 "link state check handler creation failed\n");
1399 goto dev_lsc_handle_error;
1402 while ((lio_dev->linfo.link.link_status64 == 0) && (--timeout))
1405 if (lio_dev->linfo.link.link_status64 == 0) {
1407 goto dev_mtu_check_error;
1410 if (eth_dev->data->dev_conf.rxmode.jumbo_frame == 1) {
1411 if (frame_len <= ETHER_MAX_LEN ||
1412 frame_len > LIO_MAX_RX_PKTLEN) {
1413 lio_dev_err(lio_dev, "max packet length should be >= %d and < %d when jumbo frame is enabled\n",
1414 ETHER_MAX_LEN, LIO_MAX_RX_PKTLEN);
1416 goto dev_mtu_check_error;
1418 mtu = (uint16_t)(frame_len - ETHER_HDR_LEN - ETHER_CRC_LEN);
1422 eth_dev->data->dev_conf.rxmode.max_rx_pkt_len = ETHER_MAX_LEN;
1425 if (lio_dev->linfo.link.s.mtu != mtu) {
1426 ret = lio_dev_validate_vf_mtu(eth_dev, mtu);
1428 goto dev_mtu_check_error;
1431 eth_dev->data->mtu = mtu;
1435 dev_mtu_check_error:
1436 rte_eal_alarm_cancel(lio_sync_link_state_check, eth_dev);
1438 dev_lsc_handle_error:
1439 lio_dev->intf_open = 0;
1440 lio_send_rx_ctrl_cmd(eth_dev, 0);
1445 /* Stop device and disable input/output functions */
1447 lio_dev_stop(struct rte_eth_dev *eth_dev)
1449 struct lio_device *lio_dev = LIO_DEV(eth_dev);
1451 lio_dev_info(lio_dev, "Stopping port %d\n", eth_dev->data->port_id);
1452 lio_dev->intf_open = 0;
1455 /* Cancel callback if still running. */
1456 rte_eal_alarm_cancel(lio_sync_link_state_check, eth_dev);
1458 lio_send_rx_ctrl_cmd(eth_dev, 0);
1460 /* Clear recorded link status */
1461 lio_dev->linfo.link.link_status64 = 0;
1465 lio_dev_set_link_up(struct rte_eth_dev *eth_dev)
1467 struct lio_device *lio_dev = LIO_DEV(eth_dev);
1469 if (!lio_dev->intf_open) {
1470 lio_dev_info(lio_dev, "Port is stopped, Start the port first\n");
1474 if (lio_dev->linfo.link.s.link_up) {
1475 lio_dev_info(lio_dev, "Link is already UP\n");
1479 if (lio_send_rx_ctrl_cmd(eth_dev, 1)) {
1480 lio_dev_err(lio_dev, "Unable to set Link UP\n");
1484 lio_dev->linfo.link.s.link_up = 1;
1485 eth_dev->data->dev_link.link_status = ETH_LINK_UP;
1491 lio_dev_set_link_down(struct rte_eth_dev *eth_dev)
1493 struct lio_device *lio_dev = LIO_DEV(eth_dev);
1495 if (!lio_dev->intf_open) {
1496 lio_dev_info(lio_dev, "Port is stopped, Start the port first\n");
1500 if (!lio_dev->linfo.link.s.link_up) {
1501 lio_dev_info(lio_dev, "Link is already DOWN\n");
1505 lio_dev->linfo.link.s.link_up = 0;
1506 eth_dev->data->dev_link.link_status = ETH_LINK_DOWN;
1508 if (lio_send_rx_ctrl_cmd(eth_dev, 0)) {
1509 lio_dev->linfo.link.s.link_up = 1;
1510 eth_dev->data->dev_link.link_status = ETH_LINK_UP;
1511 lio_dev_err(lio_dev, "Unable to set Link Down\n");
1519 * Reset and stop the device. This occurs on the first
1520 * call to this routine. Subsequent calls will simply
1521 * return. NB: This will require the NIC to be rebooted.
1524 * Pointer to the structure rte_eth_dev
1530 lio_dev_close(struct rte_eth_dev *eth_dev)
1532 struct lio_device *lio_dev = LIO_DEV(eth_dev);
1535 lio_dev_info(lio_dev, "closing port %d\n", eth_dev->data->port_id);
1537 if (lio_dev->intf_open)
1538 lio_dev_stop(eth_dev);
1540 lio_wait_for_instr_fetch(lio_dev);
1542 lio_dev->fn_list.disable_io_queues(lio_dev);
1544 cn23xx_vf_set_io_queues_off(lio_dev);
1546 /* Reset iq regs (IQ_DBELL).
1547 * Clear sli_pktx_cnts (OQ_PKTS_SENT).
1549 for (i = 0; i < lio_dev->nb_rx_queues; i++) {
1550 struct lio_droq *droq = lio_dev->droq[i];
1555 uint32_t pkt_count = rte_read32(droq->pkts_sent_reg);
1557 lio_dev_dbg(lio_dev,
1558 "pending oq count %u\n", pkt_count);
1559 rte_write32(pkt_count, droq->pkts_sent_reg);
1562 /* Do FLR for the VF */
1563 cn23xx_vf_ask_pf_to_do_flr(lio_dev);
1566 lio_dev->fn_list.free_mbox(lio_dev);
1568 /* Free glist resources */
1569 rte_free(lio_dev->glist_head);
1570 rte_free(lio_dev->glist_lock);
1571 lio_dev->glist_head = NULL;
1572 lio_dev->glist_lock = NULL;
1574 lio_dev->port_configured = 0;
1576 /* Delete all queues */
1577 lio_dev_clear_queues(eth_dev);
1581 * Enable tunnel rx checksum verification from firmware.
1584 lio_enable_hw_tunnel_rx_checksum(struct rte_eth_dev *eth_dev)
1586 struct lio_device *lio_dev = LIO_DEV(eth_dev);
1587 struct lio_dev_ctrl_cmd ctrl_cmd;
1588 struct lio_ctrl_pkt ctrl_pkt;
1590 /* flush added to prevent cmd failure
1591 * incase the queue is full
1593 lio_flush_iq(lio_dev, lio_dev->instr_queue[0]);
1595 memset(&ctrl_pkt, 0, sizeof(struct lio_ctrl_pkt));
1596 memset(&ctrl_cmd, 0, sizeof(struct lio_dev_ctrl_cmd));
1598 ctrl_cmd.eth_dev = eth_dev;
1601 ctrl_pkt.ncmd.s.cmd = LIO_CMD_TNL_RX_CSUM_CTL;
1602 ctrl_pkt.ncmd.s.param1 = LIO_CMD_RXCSUM_ENABLE;
1603 ctrl_pkt.ctrl_cmd = &ctrl_cmd;
1605 if (lio_send_ctrl_pkt(lio_dev, &ctrl_pkt)) {
1606 lio_dev_err(lio_dev, "Failed to send TNL_RX_CSUM command\n");
1610 if (lio_wait_for_ctrl_cmd(lio_dev, &ctrl_cmd))
1611 lio_dev_err(lio_dev, "TNL_RX_CSUM command timed out\n");
1615 * Enable checksum calculation for inner packet in a tunnel.
1618 lio_enable_hw_tunnel_tx_checksum(struct rte_eth_dev *eth_dev)
1620 struct lio_device *lio_dev = LIO_DEV(eth_dev);
1621 struct lio_dev_ctrl_cmd ctrl_cmd;
1622 struct lio_ctrl_pkt ctrl_pkt;
1624 /* flush added to prevent cmd failure
1625 * incase the queue is full
1627 lio_flush_iq(lio_dev, lio_dev->instr_queue[0]);
1629 memset(&ctrl_pkt, 0, sizeof(struct lio_ctrl_pkt));
1630 memset(&ctrl_cmd, 0, sizeof(struct lio_dev_ctrl_cmd));
1632 ctrl_cmd.eth_dev = eth_dev;
1635 ctrl_pkt.ncmd.s.cmd = LIO_CMD_TNL_TX_CSUM_CTL;
1636 ctrl_pkt.ncmd.s.param1 = LIO_CMD_TXCSUM_ENABLE;
1637 ctrl_pkt.ctrl_cmd = &ctrl_cmd;
1639 if (lio_send_ctrl_pkt(lio_dev, &ctrl_pkt)) {
1640 lio_dev_err(lio_dev, "Failed to send TNL_TX_CSUM command\n");
1644 if (lio_wait_for_ctrl_cmd(lio_dev, &ctrl_cmd))
1645 lio_dev_err(lio_dev, "TNL_TX_CSUM command timed out\n");
1648 static int lio_dev_configure(struct rte_eth_dev *eth_dev)
1650 struct lio_device *lio_dev = LIO_DEV(eth_dev);
1651 uint16_t timeout = LIO_MAX_CMD_TIMEOUT;
1652 int retval, num_iqueues, num_oqueues;
1653 uint8_t mac[ETHER_ADDR_LEN], i;
1654 struct lio_if_cfg_resp *resp;
1655 struct lio_soft_command *sc;
1656 union lio_if_cfg if_cfg;
1659 PMD_INIT_FUNC_TRACE();
1661 /* Re-configuring firmware not supported.
1662 * Can't change tx/rx queues per port from initial value.
1664 if (lio_dev->port_configured) {
1665 if ((lio_dev->nb_rx_queues != eth_dev->data->nb_rx_queues) ||
1666 (lio_dev->nb_tx_queues != eth_dev->data->nb_tx_queues)) {
1667 lio_dev_err(lio_dev,
1668 "rxq/txq re-conf not supported. Restart application with new value.\n");
1674 lio_dev->nb_rx_queues = eth_dev->data->nb_rx_queues;
1675 lio_dev->nb_tx_queues = eth_dev->data->nb_tx_queues;
1677 resp_size = sizeof(struct lio_if_cfg_resp);
1678 sc = lio_alloc_soft_command(lio_dev, 0, resp_size, 0);
1682 resp = (struct lio_if_cfg_resp *)sc->virtrptr;
1684 /* Firmware doesn't have capability to reconfigure the queues,
1685 * Claim all queues, and use as many required
1687 if_cfg.if_cfg64 = 0;
1688 if_cfg.s.num_iqueues = lio_dev->nb_tx_queues;
1689 if_cfg.s.num_oqueues = lio_dev->nb_rx_queues;
1690 if_cfg.s.base_queue = 0;
1692 if_cfg.s.gmx_port_id = lio_dev->pf_num;
1694 lio_prepare_soft_command(lio_dev, sc, LIO_OPCODE,
1695 LIO_OPCODE_IF_CFG, 0,
1696 if_cfg.if_cfg64, 0);
1698 /* Setting wait time in seconds */
1699 sc->wait_time = LIO_MAX_CMD_TIMEOUT / 1000;
1701 retval = lio_send_soft_command(lio_dev, sc);
1702 if (retval == LIO_IQ_SEND_FAILED) {
1703 lio_dev_err(lio_dev, "iq/oq config failed status: %x\n",
1705 /* Soft instr is freed by driver in case of failure. */
1706 goto nic_config_fail;
1709 /* Sleep on a wait queue till the cond flag indicates that the
1710 * response arrived or timed-out.
1712 while ((*sc->status_word == LIO_COMPLETION_WORD_INIT) && --timeout) {
1713 lio_flush_iq(lio_dev, lio_dev->instr_queue[sc->iq_no]);
1714 lio_process_ordered_list(lio_dev);
1718 retval = resp->status;
1720 lio_dev_err(lio_dev, "iq/oq config failed\n");
1721 goto nic_config_fail;
1724 lio_swap_8B_data((uint64_t *)(&resp->cfg_info),
1725 sizeof(struct octeon_if_cfg_info) >> 3);
1727 num_iqueues = lio_hweight64(resp->cfg_info.iqmask);
1728 num_oqueues = lio_hweight64(resp->cfg_info.oqmask);
1730 if (!(num_iqueues) || !(num_oqueues)) {
1731 lio_dev_err(lio_dev,
1732 "Got bad iqueues (%016lx) or oqueues (%016lx) from firmware.\n",
1733 (unsigned long)resp->cfg_info.iqmask,
1734 (unsigned long)resp->cfg_info.oqmask);
1735 goto nic_config_fail;
1738 lio_dev_dbg(lio_dev,
1739 "interface %d, iqmask %016lx, oqmask %016lx, numiqueues %d, numoqueues %d\n",
1740 eth_dev->data->port_id,
1741 (unsigned long)resp->cfg_info.iqmask,
1742 (unsigned long)resp->cfg_info.oqmask,
1743 num_iqueues, num_oqueues);
1745 lio_dev->linfo.num_rxpciq = num_oqueues;
1746 lio_dev->linfo.num_txpciq = num_iqueues;
1748 for (i = 0; i < num_oqueues; i++) {
1749 lio_dev->linfo.rxpciq[i].rxpciq64 =
1750 resp->cfg_info.linfo.rxpciq[i].rxpciq64;
1751 lio_dev_dbg(lio_dev, "index %d OQ %d\n",
1752 i, lio_dev->linfo.rxpciq[i].s.q_no);
1755 for (i = 0; i < num_iqueues; i++) {
1756 lio_dev->linfo.txpciq[i].txpciq64 =
1757 resp->cfg_info.linfo.txpciq[i].txpciq64;
1758 lio_dev_dbg(lio_dev, "index %d IQ %d\n",
1759 i, lio_dev->linfo.txpciq[i].s.q_no);
1762 lio_dev->linfo.hw_addr = resp->cfg_info.linfo.hw_addr;
1763 lio_dev->linfo.gmxport = resp->cfg_info.linfo.gmxport;
1764 lio_dev->linfo.link.link_status64 =
1765 resp->cfg_info.linfo.link.link_status64;
1767 /* 64-bit swap required on LE machines */
1768 lio_swap_8B_data(&lio_dev->linfo.hw_addr, 1);
1769 for (i = 0; i < ETHER_ADDR_LEN; i++)
1770 mac[i] = *((uint8_t *)(((uint8_t *)&lio_dev->linfo.hw_addr) +
1773 /* Copy the permanent MAC address */
1774 ether_addr_copy((struct ether_addr *)mac, ð_dev->data->mac_addrs[0]);
1776 /* enable firmware checksum support for tunnel packets */
1777 lio_enable_hw_tunnel_rx_checksum(eth_dev);
1778 lio_enable_hw_tunnel_tx_checksum(eth_dev);
1780 lio_dev->glist_lock =
1781 rte_zmalloc(NULL, sizeof(*lio_dev->glist_lock) * num_iqueues, 0);
1782 if (lio_dev->glist_lock == NULL)
1785 lio_dev->glist_head =
1786 rte_zmalloc(NULL, sizeof(*lio_dev->glist_head) * num_iqueues,
1788 if (lio_dev->glist_head == NULL) {
1789 rte_free(lio_dev->glist_lock);
1790 lio_dev->glist_lock = NULL;
1794 lio_dev_link_update(eth_dev, 0);
1796 lio_dev->port_configured = 1;
1798 lio_free_soft_command(sc);
1800 /* Disable iq_0 for reconf */
1801 lio_dev->fn_list.disable_io_queues(lio_dev);
1803 /* Reset ioq regs */
1804 lio_dev->fn_list.setup_device_regs(lio_dev);
1806 /* Free iq_0 used during init */
1807 lio_free_instr_queue0(lio_dev);
1812 lio_dev_err(lio_dev, "Failed retval %d\n", retval);
1813 lio_free_soft_command(sc);
1814 lio_free_instr_queue0(lio_dev);
1819 /* Define our ethernet definitions */
1820 static const struct eth_dev_ops liovf_eth_dev_ops = {
1821 .dev_configure = lio_dev_configure,
1822 .dev_start = lio_dev_start,
1823 .dev_stop = lio_dev_stop,
1824 .dev_set_link_up = lio_dev_set_link_up,
1825 .dev_set_link_down = lio_dev_set_link_down,
1826 .dev_close = lio_dev_close,
1827 .allmulticast_enable = lio_dev_allmulticast_enable,
1828 .allmulticast_disable = lio_dev_allmulticast_disable,
1829 .link_update = lio_dev_link_update,
1830 .stats_get = lio_dev_stats_get,
1831 .xstats_get = lio_dev_xstats_get,
1832 .xstats_get_names = lio_dev_xstats_get_names,
1833 .stats_reset = lio_dev_stats_reset,
1834 .xstats_reset = lio_dev_xstats_reset,
1835 .dev_infos_get = lio_dev_info_get,
1836 .vlan_filter_set = lio_dev_vlan_filter_set,
1837 .rx_queue_setup = lio_dev_rx_queue_setup,
1838 .rx_queue_release = lio_dev_rx_queue_release,
1839 .tx_queue_setup = lio_dev_tx_queue_setup,
1840 .tx_queue_release = lio_dev_tx_queue_release,
1841 .reta_update = lio_dev_rss_reta_update,
1842 .reta_query = lio_dev_rss_reta_query,
1843 .rss_hash_conf_get = lio_dev_rss_hash_conf_get,
1844 .rss_hash_update = lio_dev_rss_hash_update,
1845 .udp_tunnel_port_add = lio_dev_udp_tunnel_add,
1846 .udp_tunnel_port_del = lio_dev_udp_tunnel_del,
1850 lio_check_pf_hs_response(void *lio_dev)
1852 struct lio_device *dev = lio_dev;
1854 /* check till response arrives */
1855 if (dev->pfvf_hsword.coproc_tics_per_us)
1858 cn23xx_vf_handle_mbox(dev);
1860 rte_eal_alarm_set(1, lio_check_pf_hs_response, lio_dev);
1864 * \brief Identify the LIO device and to map the BAR address space
1865 * @param lio_dev lio device
1868 lio_chip_specific_setup(struct lio_device *lio_dev)
1870 struct rte_pci_device *pdev = lio_dev->pci_dev;
1871 uint32_t dev_id = pdev->id.device_id;
1876 case LIO_CN23XX_VF_VID:
1877 lio_dev->chip_id = LIO_CN23XX_VF_VID;
1878 ret = cn23xx_vf_setup_device(lio_dev);
1883 lio_dev_err(lio_dev, "Unsupported Chip\n");
1887 lio_dev_info(lio_dev, "DEVICE : %s\n", s);
1893 lio_first_time_init(struct lio_device *lio_dev,
1894 struct rte_pci_device *pdev)
1898 PMD_INIT_FUNC_TRACE();
1900 /* set dpdk specific pci device pointer */
1901 lio_dev->pci_dev = pdev;
1903 /* Identify the LIO type and set device ops */
1904 if (lio_chip_specific_setup(lio_dev)) {
1905 lio_dev_err(lio_dev, "Chip specific setup failed\n");
1909 /* Initialize soft command buffer pool */
1910 if (lio_setup_sc_buffer_pool(lio_dev)) {
1911 lio_dev_err(lio_dev, "sc buffer pool allocation failed\n");
1915 /* Initialize lists to manage the requests of different types that
1916 * arrive from applications for this lio device.
1918 lio_setup_response_list(lio_dev);
1920 if (lio_dev->fn_list.setup_mbox(lio_dev)) {
1921 lio_dev_err(lio_dev, "Mailbox setup failed\n");
1925 /* Check PF response */
1926 lio_check_pf_hs_response((void *)lio_dev);
1928 /* Do handshake and exit if incompatible PF driver */
1929 if (cn23xx_pfvf_handshake(lio_dev))
1933 cn23xx_vf_ask_pf_to_do_flr(lio_dev);
1934 /* Wait for FLR for 100ms per SRIOV specification */
1937 if (cn23xx_vf_set_io_queues_off(lio_dev)) {
1938 lio_dev_err(lio_dev, "Setting io queues off failed\n");
1942 if (lio_dev->fn_list.setup_device_regs(lio_dev)) {
1943 lio_dev_err(lio_dev, "Failed to configure device registers\n");
1947 if (lio_setup_instr_queue0(lio_dev)) {
1948 lio_dev_err(lio_dev, "Failed to setup instruction queue 0\n");
1952 dpdk_queues = (int)lio_dev->sriov_info.rings_per_vf;
1954 lio_dev->max_tx_queues = dpdk_queues;
1955 lio_dev->max_rx_queues = dpdk_queues;
1957 /* Enable input and output queues for this device */
1958 if (lio_dev->fn_list.enable_io_queues(lio_dev))
1964 lio_free_sc_buffer_pool(lio_dev);
1965 if (lio_dev->mbox[0])
1966 lio_dev->fn_list.free_mbox(lio_dev);
1967 if (lio_dev->instr_queue[0])
1968 lio_free_instr_queue0(lio_dev);
1974 lio_eth_dev_uninit(struct rte_eth_dev *eth_dev)
1976 struct lio_device *lio_dev = LIO_DEV(eth_dev);
1978 PMD_INIT_FUNC_TRACE();
1980 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1983 /* lio_free_sc_buffer_pool */
1984 lio_free_sc_buffer_pool(lio_dev);
1986 rte_free(eth_dev->data->mac_addrs);
1987 eth_dev->data->mac_addrs = NULL;
1989 eth_dev->dev_ops = NULL;
1990 eth_dev->rx_pkt_burst = NULL;
1991 eth_dev->tx_pkt_burst = NULL;
1997 lio_eth_dev_init(struct rte_eth_dev *eth_dev)
1999 struct rte_pci_device *pdev = RTE_ETH_DEV_TO_PCI(eth_dev);
2000 struct lio_device *lio_dev = LIO_DEV(eth_dev);
2002 PMD_INIT_FUNC_TRACE();
2004 eth_dev->rx_pkt_burst = &lio_dev_recv_pkts;
2005 eth_dev->tx_pkt_burst = &lio_dev_xmit_pkts;
2007 /* Primary does the initialization. */
2008 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
2011 rte_eth_copy_pci_info(eth_dev, pdev);
2012 eth_dev->data->dev_flags |= RTE_ETH_DEV_DETACHABLE;
2014 if (pdev->mem_resource[0].addr) {
2015 lio_dev->hw_addr = pdev->mem_resource[0].addr;
2017 PMD_INIT_LOG(ERR, "ERROR: Failed to map BAR0\n");
2021 lio_dev->eth_dev = eth_dev;
2022 /* set lio device print string */
2023 snprintf(lio_dev->dev_string, sizeof(lio_dev->dev_string),
2024 "%s[%02x:%02x.%x]", pdev->driver->driver.name,
2025 pdev->addr.bus, pdev->addr.devid, pdev->addr.function);
2027 lio_dev->port_id = eth_dev->data->port_id;
2029 if (lio_first_time_init(lio_dev, pdev)) {
2030 lio_dev_err(lio_dev, "Device init failed\n");
2034 eth_dev->dev_ops = &liovf_eth_dev_ops;
2035 eth_dev->data->mac_addrs = rte_zmalloc("lio", ETHER_ADDR_LEN, 0);
2036 if (eth_dev->data->mac_addrs == NULL) {
2037 lio_dev_err(lio_dev,
2038 "MAC addresses memory allocation failed\n");
2039 eth_dev->dev_ops = NULL;
2040 eth_dev->rx_pkt_burst = NULL;
2041 eth_dev->tx_pkt_burst = NULL;
2045 rte_atomic64_set(&lio_dev->status, LIO_DEV_RUNNING);
2048 lio_dev->port_configured = 0;
2049 /* Always allow unicast packets */
2050 lio_dev->ifflags |= LIO_IFFLAG_UNICAST;
2056 lio_eth_dev_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
2057 struct rte_pci_device *pci_dev)
2059 struct rte_eth_dev *eth_dev;
2062 eth_dev = rte_eth_dev_pci_allocate(pci_dev,
2063 sizeof(struct lio_device));
2064 if (eth_dev == NULL)
2067 ret = lio_eth_dev_init(eth_dev);
2069 rte_eth_dev_pci_release(eth_dev);
2075 lio_eth_dev_pci_remove(struct rte_pci_device *pci_dev)
2077 return rte_eth_dev_pci_generic_remove(pci_dev,
2078 lio_eth_dev_uninit);
2081 /* Set of PCI devices this driver supports */
2082 static const struct rte_pci_id pci_id_liovf_map[] = {
2083 { RTE_PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, LIO_CN23XX_VF_VID) },
2084 { .vendor_id = 0, /* sentinel */ }
2087 static struct rte_pci_driver rte_liovf_pmd = {
2088 .id_table = pci_id_liovf_map,
2089 .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
2090 .probe = lio_eth_dev_pci_probe,
2091 .remove = lio_eth_dev_pci_remove,
2094 RTE_PMD_REGISTER_PCI(net_liovf, rte_liovf_pmd);
2095 RTE_PMD_REGISTER_PCI_TABLE(net_liovf, pci_id_liovf_map);
2096 RTE_PMD_REGISTER_KMOD_DEP(net_liovf, "* igb_uio | vfio-pci");