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>
41 #include "lio_23xx_vf.h"
42 #include "lio_ethdev.h"
45 /* Default RSS key in use */
46 static uint8_t lio_rss_key[40] = {
47 0x6D, 0x5A, 0x56, 0xDA, 0x25, 0x5B, 0x0E, 0xC2,
48 0x41, 0x67, 0x25, 0x3D, 0x43, 0xA3, 0x8F, 0xB0,
49 0xD0, 0xCA, 0x2B, 0xCB, 0xAE, 0x7B, 0x30, 0xB4,
50 0x77, 0xCB, 0x2D, 0xA3, 0x80, 0x30, 0xF2, 0x0C,
51 0x6A, 0x42, 0xB7, 0x3B, 0xBE, 0xAC, 0x01, 0xFA,
54 static const struct rte_eth_desc_lim lio_rx_desc_lim = {
55 .nb_max = CN23XX_MAX_OQ_DESCRIPTORS,
56 .nb_min = CN23XX_MIN_OQ_DESCRIPTORS,
60 static const struct rte_eth_desc_lim lio_tx_desc_lim = {
61 .nb_max = CN23XX_MAX_IQ_DESCRIPTORS,
62 .nb_min = CN23XX_MIN_IQ_DESCRIPTORS,
66 /* Wait for control command to reach nic. */
68 lio_wait_for_ctrl_cmd(struct lio_device *lio_dev,
69 struct lio_dev_ctrl_cmd *ctrl_cmd)
71 uint16_t timeout = LIO_MAX_CMD_TIMEOUT;
73 while ((ctrl_cmd->cond == 0) && --timeout) {
74 lio_flush_iq(lio_dev, lio_dev->instr_queue[0]);
82 * \brief Send Rx control command
83 * @param eth_dev Pointer to the structure rte_eth_dev
84 * @param start_stop whether to start or stop
87 lio_send_rx_ctrl_cmd(struct rte_eth_dev *eth_dev, int start_stop)
89 struct lio_device *lio_dev = LIO_DEV(eth_dev);
90 struct lio_dev_ctrl_cmd ctrl_cmd;
91 struct lio_ctrl_pkt ctrl_pkt;
93 /* flush added to prevent cmd failure
94 * incase the queue is full
96 lio_flush_iq(lio_dev, lio_dev->instr_queue[0]);
98 memset(&ctrl_pkt, 0, sizeof(struct lio_ctrl_pkt));
99 memset(&ctrl_cmd, 0, sizeof(struct lio_dev_ctrl_cmd));
101 ctrl_cmd.eth_dev = eth_dev;
104 ctrl_pkt.ncmd.s.cmd = LIO_CMD_RX_CTL;
105 ctrl_pkt.ncmd.s.param1 = start_stop;
106 ctrl_pkt.ctrl_cmd = &ctrl_cmd;
108 if (lio_send_ctrl_pkt(lio_dev, &ctrl_pkt)) {
109 lio_dev_err(lio_dev, "Failed to send RX Control message\n");
113 if (lio_wait_for_ctrl_cmd(lio_dev, &ctrl_cmd)) {
114 lio_dev_err(lio_dev, "RX Control command timed out\n");
121 /* store statistics names and its offset in stats structure */
122 struct rte_lio_xstats_name_off {
123 char name[RTE_ETH_XSTATS_NAME_SIZE];
127 static const struct rte_lio_xstats_name_off rte_lio_stats_strings[] = {
128 {"rx_pkts", offsetof(struct octeon_rx_stats, total_rcvd)},
129 {"rx_bytes", offsetof(struct octeon_rx_stats, bytes_rcvd)},
130 {"rx_broadcast_pkts", offsetof(struct octeon_rx_stats, total_bcst)},
131 {"rx_multicast_pkts", offsetof(struct octeon_rx_stats, total_mcst)},
132 {"rx_flow_ctrl_pkts", offsetof(struct octeon_rx_stats, ctl_rcvd)},
133 {"rx_fifo_err", offsetof(struct octeon_rx_stats, fifo_err)},
134 {"rx_dmac_drop", offsetof(struct octeon_rx_stats, dmac_drop)},
135 {"rx_fcs_err", offsetof(struct octeon_rx_stats, fcs_err)},
136 {"rx_jabber_err", offsetof(struct octeon_rx_stats, jabber_err)},
137 {"rx_l2_err", offsetof(struct octeon_rx_stats, l2_err)},
138 {"rx_vxlan_pkts", offsetof(struct octeon_rx_stats, fw_rx_vxlan)},
139 {"rx_vxlan_err", offsetof(struct octeon_rx_stats, fw_rx_vxlan_err)},
140 {"rx_lro_pkts", offsetof(struct octeon_rx_stats, fw_lro_pkts)},
141 {"tx_pkts", (offsetof(struct octeon_tx_stats, total_pkts_sent)) +
142 sizeof(struct octeon_rx_stats)},
143 {"tx_bytes", (offsetof(struct octeon_tx_stats, total_bytes_sent)) +
144 sizeof(struct octeon_rx_stats)},
145 {"tx_broadcast_pkts",
146 (offsetof(struct octeon_tx_stats, bcast_pkts_sent)) +
147 sizeof(struct octeon_rx_stats)},
148 {"tx_multicast_pkts",
149 (offsetof(struct octeon_tx_stats, mcast_pkts_sent)) +
150 sizeof(struct octeon_rx_stats)},
151 {"tx_flow_ctrl_pkts", (offsetof(struct octeon_tx_stats, ctl_sent)) +
152 sizeof(struct octeon_rx_stats)},
153 {"tx_fifo_err", (offsetof(struct octeon_tx_stats, fifo_err)) +
154 sizeof(struct octeon_rx_stats)},
155 {"tx_total_collisions", (offsetof(struct octeon_tx_stats,
157 sizeof(struct octeon_rx_stats)},
158 {"tx_tso", (offsetof(struct octeon_tx_stats, fw_tso)) +
159 sizeof(struct octeon_rx_stats)},
160 {"tx_vxlan_pkts", (offsetof(struct octeon_tx_stats, fw_tx_vxlan)) +
161 sizeof(struct octeon_rx_stats)},
164 #define LIO_NB_XSTATS RTE_DIM(rte_lio_stats_strings)
166 /* Get hw stats of the port */
168 lio_dev_xstats_get(struct rte_eth_dev *eth_dev, struct rte_eth_xstat *xstats,
171 struct lio_device *lio_dev = LIO_DEV(eth_dev);
172 uint16_t timeout = LIO_MAX_CMD_TIMEOUT;
173 struct octeon_link_stats *hw_stats;
174 struct lio_link_stats_resp *resp;
175 struct lio_soft_command *sc;
180 if (!lio_dev->intf_open) {
181 lio_dev_err(lio_dev, "Port %d down\n",
186 if (n < LIO_NB_XSTATS)
187 return LIO_NB_XSTATS;
189 resp_size = sizeof(struct lio_link_stats_resp);
190 sc = lio_alloc_soft_command(lio_dev, 0, resp_size, 0);
194 resp = (struct lio_link_stats_resp *)sc->virtrptr;
195 lio_prepare_soft_command(lio_dev, sc, LIO_OPCODE,
196 LIO_OPCODE_PORT_STATS, 0, 0, 0);
198 /* Setting wait time in seconds */
199 sc->wait_time = LIO_MAX_CMD_TIMEOUT / 1000;
201 retval = lio_send_soft_command(lio_dev, sc);
202 if (retval == LIO_IQ_SEND_FAILED) {
203 lio_dev_err(lio_dev, "failed to get port stats from firmware. status: %x\n",
208 while ((*sc->status_word == LIO_COMPLETION_WORD_INIT) && --timeout) {
209 lio_flush_iq(lio_dev, lio_dev->instr_queue[sc->iq_no]);
210 lio_process_ordered_list(lio_dev);
214 retval = resp->status;
216 lio_dev_err(lio_dev, "failed to get port stats from firmware\n");
220 lio_swap_8B_data((uint64_t *)(&resp->link_stats),
221 sizeof(struct octeon_link_stats) >> 3);
223 hw_stats = &resp->link_stats;
225 for (i = 0; i < LIO_NB_XSTATS; i++) {
228 *(uint64_t *)(((char *)hw_stats) +
229 rte_lio_stats_strings[i].offset);
232 lio_free_soft_command(sc);
234 return LIO_NB_XSTATS;
237 lio_free_soft_command(sc);
243 lio_dev_xstats_get_names(struct rte_eth_dev *eth_dev,
244 struct rte_eth_xstat_name *xstats_names,
245 unsigned limit __rte_unused)
247 struct lio_device *lio_dev = LIO_DEV(eth_dev);
250 if (!lio_dev->intf_open) {
251 lio_dev_err(lio_dev, "Port %d down\n",
256 if (xstats_names == NULL)
257 return LIO_NB_XSTATS;
259 /* Note: limit checked in rte_eth_xstats_names() */
261 for (i = 0; i < LIO_NB_XSTATS; i++) {
262 snprintf(xstats_names[i].name, sizeof(xstats_names[i].name),
263 "%s", rte_lio_stats_strings[i].name);
266 return LIO_NB_XSTATS;
269 /* Reset hw stats for the port */
271 lio_dev_xstats_reset(struct rte_eth_dev *eth_dev)
273 struct lio_device *lio_dev = LIO_DEV(eth_dev);
274 struct lio_dev_ctrl_cmd ctrl_cmd;
275 struct lio_ctrl_pkt ctrl_pkt;
277 if (!lio_dev->intf_open) {
278 lio_dev_err(lio_dev, "Port %d down\n",
283 /* flush added to prevent cmd failure
284 * incase the queue is full
286 lio_flush_iq(lio_dev, lio_dev->instr_queue[0]);
288 memset(&ctrl_pkt, 0, sizeof(struct lio_ctrl_pkt));
289 memset(&ctrl_cmd, 0, sizeof(struct lio_dev_ctrl_cmd));
291 ctrl_cmd.eth_dev = eth_dev;
294 ctrl_pkt.ncmd.s.cmd = LIO_CMD_CLEAR_STATS;
295 ctrl_pkt.ctrl_cmd = &ctrl_cmd;
297 if (lio_send_ctrl_pkt(lio_dev, &ctrl_pkt)) {
298 lio_dev_err(lio_dev, "Failed to send clear stats command\n");
302 if (lio_wait_for_ctrl_cmd(lio_dev, &ctrl_cmd)) {
303 lio_dev_err(lio_dev, "Clear stats command timed out\n");
307 /* clear stored per queue stats */
308 RTE_FUNC_PTR_OR_RET(*eth_dev->dev_ops->stats_reset);
309 (*eth_dev->dev_ops->stats_reset)(eth_dev);
312 /* Retrieve the device statistics (# packets in/out, # bytes in/out, etc */
314 lio_dev_stats_get(struct rte_eth_dev *eth_dev,
315 struct rte_eth_stats *stats)
317 struct lio_device *lio_dev = LIO_DEV(eth_dev);
318 struct lio_droq_stats *oq_stats;
319 struct lio_iq_stats *iq_stats;
320 struct lio_instr_queue *txq;
321 struct lio_droq *droq;
327 for (i = 0; i < eth_dev->data->nb_tx_queues; i++) {
328 iq_no = lio_dev->linfo.txpciq[i].s.q_no;
329 txq = lio_dev->instr_queue[iq_no];
331 iq_stats = &txq->stats;
332 pkts += iq_stats->tx_done;
333 drop += iq_stats->tx_dropped;
334 bytes += iq_stats->tx_tot_bytes;
338 stats->opackets = pkts;
339 stats->obytes = bytes;
340 stats->oerrors = drop;
346 for (i = 0; i < eth_dev->data->nb_rx_queues; i++) {
347 oq_no = lio_dev->linfo.rxpciq[i].s.q_no;
348 droq = lio_dev->droq[oq_no];
350 oq_stats = &droq->stats;
351 pkts += oq_stats->rx_pkts_received;
352 drop += (oq_stats->rx_dropped +
353 oq_stats->dropped_toomany +
354 oq_stats->dropped_nomem);
355 bytes += oq_stats->rx_bytes_received;
358 stats->ibytes = bytes;
359 stats->ipackets = pkts;
360 stats->ierrors = drop;
364 lio_dev_stats_reset(struct rte_eth_dev *eth_dev)
366 struct lio_device *lio_dev = LIO_DEV(eth_dev);
367 struct lio_droq_stats *oq_stats;
368 struct lio_iq_stats *iq_stats;
369 struct lio_instr_queue *txq;
370 struct lio_droq *droq;
373 for (i = 0; i < eth_dev->data->nb_tx_queues; i++) {
374 iq_no = lio_dev->linfo.txpciq[i].s.q_no;
375 txq = lio_dev->instr_queue[iq_no];
377 iq_stats = &txq->stats;
378 memset(iq_stats, 0, sizeof(struct lio_iq_stats));
382 for (i = 0; i < eth_dev->data->nb_rx_queues; i++) {
383 oq_no = lio_dev->linfo.rxpciq[i].s.q_no;
384 droq = lio_dev->droq[oq_no];
386 oq_stats = &droq->stats;
387 memset(oq_stats, 0, sizeof(struct lio_droq_stats));
393 lio_dev_info_get(struct rte_eth_dev *eth_dev,
394 struct rte_eth_dev_info *devinfo)
396 struct lio_device *lio_dev = LIO_DEV(eth_dev);
398 devinfo->max_rx_queues = lio_dev->max_rx_queues;
399 devinfo->max_tx_queues = lio_dev->max_tx_queues;
401 devinfo->min_rx_bufsize = LIO_MIN_RX_BUF_SIZE;
402 devinfo->max_rx_pktlen = LIO_MAX_RX_PKTLEN;
404 devinfo->max_mac_addrs = 1;
406 devinfo->rx_offload_capa = (DEV_RX_OFFLOAD_IPV4_CKSUM |
407 DEV_RX_OFFLOAD_UDP_CKSUM |
408 DEV_RX_OFFLOAD_TCP_CKSUM |
409 DEV_RX_OFFLOAD_VLAN_STRIP);
410 devinfo->tx_offload_capa = (DEV_TX_OFFLOAD_IPV4_CKSUM |
411 DEV_TX_OFFLOAD_UDP_CKSUM |
412 DEV_TX_OFFLOAD_TCP_CKSUM |
413 DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM);
415 devinfo->rx_desc_lim = lio_rx_desc_lim;
416 devinfo->tx_desc_lim = lio_tx_desc_lim;
418 devinfo->reta_size = LIO_RSS_MAX_TABLE_SZ;
419 devinfo->hash_key_size = LIO_RSS_MAX_KEY_SZ;
420 devinfo->flow_type_rss_offloads = (ETH_RSS_IPV4 |
421 ETH_RSS_NONFRAG_IPV4_TCP |
423 ETH_RSS_NONFRAG_IPV6_TCP |
425 ETH_RSS_IPV6_TCP_EX);
429 lio_dev_validate_vf_mtu(struct rte_eth_dev *eth_dev, uint16_t new_mtu)
431 struct lio_device *lio_dev = LIO_DEV(eth_dev);
433 PMD_INIT_FUNC_TRACE();
435 if (!lio_dev->intf_open) {
436 lio_dev_err(lio_dev, "Port %d down, can't check MTU\n",
441 /* Limit the MTU to make sure the ethernet packets are between
442 * ETHER_MIN_MTU bytes and PF's MTU
444 if ((new_mtu < ETHER_MIN_MTU) ||
445 (new_mtu > lio_dev->linfo.link.s.mtu)) {
446 lio_dev_err(lio_dev, "Invalid MTU: %d\n", new_mtu);
447 lio_dev_err(lio_dev, "Valid range %d and %d\n",
448 ETHER_MIN_MTU, lio_dev->linfo.link.s.mtu);
456 lio_dev_rss_reta_update(struct rte_eth_dev *eth_dev,
457 struct rte_eth_rss_reta_entry64 *reta_conf,
460 struct lio_device *lio_dev = LIO_DEV(eth_dev);
461 struct lio_rss_ctx *rss_state = &lio_dev->rss_state;
462 struct lio_rss_set *rss_param;
463 struct lio_dev_ctrl_cmd ctrl_cmd;
464 struct lio_ctrl_pkt ctrl_pkt;
467 if (!lio_dev->intf_open) {
468 lio_dev_err(lio_dev, "Port %d down, can't update reta\n",
473 if (reta_size != LIO_RSS_MAX_TABLE_SZ) {
475 "The size of hash lookup table configured (%d) doesn't match the number hardware can supported (%d)\n",
476 reta_size, LIO_RSS_MAX_TABLE_SZ);
480 /* flush added to prevent cmd failure
481 * incase the queue is full
483 lio_flush_iq(lio_dev, lio_dev->instr_queue[0]);
485 memset(&ctrl_pkt, 0, sizeof(struct lio_ctrl_pkt));
486 memset(&ctrl_cmd, 0, sizeof(struct lio_dev_ctrl_cmd));
488 rss_param = (struct lio_rss_set *)&ctrl_pkt.udd[0];
490 ctrl_cmd.eth_dev = eth_dev;
493 ctrl_pkt.ncmd.s.cmd = LIO_CMD_SET_RSS;
494 ctrl_pkt.ncmd.s.more = sizeof(struct lio_rss_set) >> 3;
495 ctrl_pkt.ctrl_cmd = &ctrl_cmd;
497 rss_param->param.flags = 0xF;
498 rss_param->param.flags &= ~LIO_RSS_PARAM_ITABLE_UNCHANGED;
499 rss_param->param.itablesize = LIO_RSS_MAX_TABLE_SZ;
501 for (i = 0; i < (reta_size / RTE_RETA_GROUP_SIZE); i++) {
502 for (j = 0; j < RTE_RETA_GROUP_SIZE; j++) {
503 if ((reta_conf[i].mask) & ((uint64_t)1 << j)) {
504 index = (i * RTE_RETA_GROUP_SIZE) + j;
505 rss_state->itable[index] = reta_conf[i].reta[j];
510 rss_state->itable_size = LIO_RSS_MAX_TABLE_SZ;
511 memcpy(rss_param->itable, rss_state->itable, rss_state->itable_size);
513 lio_swap_8B_data((uint64_t *)rss_param, LIO_RSS_PARAM_SIZE >> 3);
515 if (lio_send_ctrl_pkt(lio_dev, &ctrl_pkt)) {
516 lio_dev_err(lio_dev, "Failed to set rss hash\n");
520 if (lio_wait_for_ctrl_cmd(lio_dev, &ctrl_cmd)) {
521 lio_dev_err(lio_dev, "Set rss hash timed out\n");
529 lio_dev_rss_reta_query(struct rte_eth_dev *eth_dev,
530 struct rte_eth_rss_reta_entry64 *reta_conf,
533 struct lio_device *lio_dev = LIO_DEV(eth_dev);
534 struct lio_rss_ctx *rss_state = &lio_dev->rss_state;
537 if (reta_size != LIO_RSS_MAX_TABLE_SZ) {
539 "The size of hash lookup table configured (%d) doesn't match the number hardware can supported (%d)\n",
540 reta_size, LIO_RSS_MAX_TABLE_SZ);
544 num = reta_size / RTE_RETA_GROUP_SIZE;
546 for (i = 0; i < num; i++) {
547 memcpy(reta_conf->reta,
548 &rss_state->itable[i * RTE_RETA_GROUP_SIZE],
549 RTE_RETA_GROUP_SIZE);
557 lio_dev_rss_hash_conf_get(struct rte_eth_dev *eth_dev,
558 struct rte_eth_rss_conf *rss_conf)
560 struct lio_device *lio_dev = LIO_DEV(eth_dev);
561 struct lio_rss_ctx *rss_state = &lio_dev->rss_state;
562 uint8_t *hash_key = NULL;
565 if (rss_state->hash_disable) {
566 lio_dev_info(lio_dev, "RSS disabled in nic\n");
567 rss_conf->rss_hf = 0;
572 hash_key = rss_conf->rss_key;
573 if (hash_key != NULL)
574 memcpy(hash_key, rss_state->hash_key, rss_state->hash_key_size);
577 rss_hf |= ETH_RSS_IPV4;
578 if (rss_state->tcp_hash)
579 rss_hf |= ETH_RSS_NONFRAG_IPV4_TCP;
581 rss_hf |= ETH_RSS_IPV6;
582 if (rss_state->ipv6_tcp_hash)
583 rss_hf |= ETH_RSS_NONFRAG_IPV6_TCP;
584 if (rss_state->ipv6_ex)
585 rss_hf |= ETH_RSS_IPV6_EX;
586 if (rss_state->ipv6_tcp_ex_hash)
587 rss_hf |= ETH_RSS_IPV6_TCP_EX;
589 rss_conf->rss_hf = rss_hf;
595 lio_dev_rss_hash_update(struct rte_eth_dev *eth_dev,
596 struct rte_eth_rss_conf *rss_conf)
598 struct lio_device *lio_dev = LIO_DEV(eth_dev);
599 struct lio_rss_ctx *rss_state = &lio_dev->rss_state;
600 struct lio_rss_set *rss_param;
601 struct lio_dev_ctrl_cmd ctrl_cmd;
602 struct lio_ctrl_pkt ctrl_pkt;
604 if (!lio_dev->intf_open) {
605 lio_dev_err(lio_dev, "Port %d down, can't update hash\n",
610 /* flush added to prevent cmd failure
611 * incase the queue is full
613 lio_flush_iq(lio_dev, lio_dev->instr_queue[0]);
615 memset(&ctrl_pkt, 0, sizeof(struct lio_ctrl_pkt));
616 memset(&ctrl_cmd, 0, sizeof(struct lio_dev_ctrl_cmd));
618 rss_param = (struct lio_rss_set *)&ctrl_pkt.udd[0];
620 ctrl_cmd.eth_dev = eth_dev;
623 ctrl_pkt.ncmd.s.cmd = LIO_CMD_SET_RSS;
624 ctrl_pkt.ncmd.s.more = sizeof(struct lio_rss_set) >> 3;
625 ctrl_pkt.ctrl_cmd = &ctrl_cmd;
627 rss_param->param.flags = 0xF;
629 if (rss_conf->rss_key) {
630 rss_param->param.flags &= ~LIO_RSS_PARAM_HASH_KEY_UNCHANGED;
631 rss_state->hash_key_size = LIO_RSS_MAX_KEY_SZ;
632 rss_param->param.hashkeysize = LIO_RSS_MAX_KEY_SZ;
633 memcpy(rss_state->hash_key, rss_conf->rss_key,
634 rss_state->hash_key_size);
635 memcpy(rss_param->key, rss_state->hash_key,
636 rss_state->hash_key_size);
639 if ((rss_conf->rss_hf & LIO_RSS_OFFLOAD_ALL) == 0) {
640 /* Can't disable rss through hash flags,
641 * if it is enabled by default during init
643 if (!rss_state->hash_disable)
646 /* This is for --disable-rss during testpmd launch */
647 rss_param->param.flags |= LIO_RSS_PARAM_DISABLE_RSS;
649 uint32_t hashinfo = 0;
651 /* Can't enable rss if disabled by default during init */
652 if (rss_state->hash_disable)
655 if (rss_conf->rss_hf & ETH_RSS_IPV4) {
656 hashinfo |= LIO_RSS_HASH_IPV4;
662 if (rss_conf->rss_hf & ETH_RSS_NONFRAG_IPV4_TCP) {
663 hashinfo |= LIO_RSS_HASH_TCP_IPV4;
664 rss_state->tcp_hash = 1;
666 rss_state->tcp_hash = 0;
669 if (rss_conf->rss_hf & ETH_RSS_IPV6) {
670 hashinfo |= LIO_RSS_HASH_IPV6;
676 if (rss_conf->rss_hf & ETH_RSS_NONFRAG_IPV6_TCP) {
677 hashinfo |= LIO_RSS_HASH_TCP_IPV6;
678 rss_state->ipv6_tcp_hash = 1;
680 rss_state->ipv6_tcp_hash = 0;
683 if (rss_conf->rss_hf & ETH_RSS_IPV6_EX) {
684 hashinfo |= LIO_RSS_HASH_IPV6_EX;
685 rss_state->ipv6_ex = 1;
687 rss_state->ipv6_ex = 0;
690 if (rss_conf->rss_hf & ETH_RSS_IPV6_TCP_EX) {
691 hashinfo |= LIO_RSS_HASH_TCP_IPV6_EX;
692 rss_state->ipv6_tcp_ex_hash = 1;
694 rss_state->ipv6_tcp_ex_hash = 0;
697 rss_param->param.flags &= ~LIO_RSS_PARAM_HASH_INFO_UNCHANGED;
698 rss_param->param.hashinfo = hashinfo;
701 lio_swap_8B_data((uint64_t *)rss_param, LIO_RSS_PARAM_SIZE >> 3);
703 if (lio_send_ctrl_pkt(lio_dev, &ctrl_pkt)) {
704 lio_dev_err(lio_dev, "Failed to set rss hash\n");
708 if (lio_wait_for_ctrl_cmd(lio_dev, &ctrl_cmd)) {
709 lio_dev_err(lio_dev, "Set rss hash timed out\n");
717 * Add vxlan dest udp port for an interface.
720 * Pointer to the structure rte_eth_dev
725 * On success return 0
726 * On failure return -1
729 lio_dev_udp_tunnel_add(struct rte_eth_dev *eth_dev,
730 struct rte_eth_udp_tunnel *udp_tnl)
732 struct lio_device *lio_dev = LIO_DEV(eth_dev);
733 struct lio_dev_ctrl_cmd ctrl_cmd;
734 struct lio_ctrl_pkt ctrl_pkt;
739 if (udp_tnl->prot_type != RTE_TUNNEL_TYPE_VXLAN) {
740 lio_dev_err(lio_dev, "Unsupported tunnel type\n");
744 /* flush added to prevent cmd failure
745 * incase the queue is full
747 lio_flush_iq(lio_dev, lio_dev->instr_queue[0]);
749 memset(&ctrl_pkt, 0, sizeof(struct lio_ctrl_pkt));
750 memset(&ctrl_cmd, 0, sizeof(struct lio_dev_ctrl_cmd));
752 ctrl_cmd.eth_dev = eth_dev;
755 ctrl_pkt.ncmd.s.cmd = LIO_CMD_VXLAN_PORT_CONFIG;
756 ctrl_pkt.ncmd.s.param1 = udp_tnl->udp_port;
757 ctrl_pkt.ncmd.s.more = LIO_CMD_VXLAN_PORT_ADD;
758 ctrl_pkt.ctrl_cmd = &ctrl_cmd;
760 if (lio_send_ctrl_pkt(lio_dev, &ctrl_pkt)) {
761 lio_dev_err(lio_dev, "Failed to send VXLAN_PORT_ADD command\n");
765 if (lio_wait_for_ctrl_cmd(lio_dev, &ctrl_cmd)) {
766 lio_dev_err(lio_dev, "VXLAN_PORT_ADD command timed out\n");
774 * Remove vxlan dest udp port for an interface.
777 * Pointer to the structure rte_eth_dev
782 * On success return 0
783 * On failure return -1
786 lio_dev_udp_tunnel_del(struct rte_eth_dev *eth_dev,
787 struct rte_eth_udp_tunnel *udp_tnl)
789 struct lio_device *lio_dev = LIO_DEV(eth_dev);
790 struct lio_dev_ctrl_cmd ctrl_cmd;
791 struct lio_ctrl_pkt ctrl_pkt;
796 if (udp_tnl->prot_type != RTE_TUNNEL_TYPE_VXLAN) {
797 lio_dev_err(lio_dev, "Unsupported tunnel type\n");
801 /* flush added to prevent cmd failure
802 * incase the queue is full
804 lio_flush_iq(lio_dev, lio_dev->instr_queue[0]);
806 memset(&ctrl_pkt, 0, sizeof(struct lio_ctrl_pkt));
807 memset(&ctrl_cmd, 0, sizeof(struct lio_dev_ctrl_cmd));
809 ctrl_cmd.eth_dev = eth_dev;
812 ctrl_pkt.ncmd.s.cmd = LIO_CMD_VXLAN_PORT_CONFIG;
813 ctrl_pkt.ncmd.s.param1 = udp_tnl->udp_port;
814 ctrl_pkt.ncmd.s.more = LIO_CMD_VXLAN_PORT_DEL;
815 ctrl_pkt.ctrl_cmd = &ctrl_cmd;
817 if (lio_send_ctrl_pkt(lio_dev, &ctrl_pkt)) {
818 lio_dev_err(lio_dev, "Failed to send VXLAN_PORT_DEL command\n");
822 if (lio_wait_for_ctrl_cmd(lio_dev, &ctrl_cmd)) {
823 lio_dev_err(lio_dev, "VXLAN_PORT_DEL command timed out\n");
831 lio_dev_vlan_filter_set(struct rte_eth_dev *eth_dev, uint16_t vlan_id, int on)
833 struct lio_device *lio_dev = LIO_DEV(eth_dev);
834 struct lio_dev_ctrl_cmd ctrl_cmd;
835 struct lio_ctrl_pkt ctrl_pkt;
837 if (lio_dev->linfo.vlan_is_admin_assigned)
840 /* flush added to prevent cmd failure
841 * incase the queue is full
843 lio_flush_iq(lio_dev, lio_dev->instr_queue[0]);
845 memset(&ctrl_pkt, 0, sizeof(struct lio_ctrl_pkt));
846 memset(&ctrl_cmd, 0, sizeof(struct lio_dev_ctrl_cmd));
848 ctrl_cmd.eth_dev = eth_dev;
851 ctrl_pkt.ncmd.s.cmd = on ?
852 LIO_CMD_ADD_VLAN_FILTER : LIO_CMD_DEL_VLAN_FILTER;
853 ctrl_pkt.ncmd.s.param1 = vlan_id;
854 ctrl_pkt.ctrl_cmd = &ctrl_cmd;
856 if (lio_send_ctrl_pkt(lio_dev, &ctrl_pkt)) {
857 lio_dev_err(lio_dev, "Failed to %s VLAN port\n",
858 on ? "add" : "remove");
862 if (lio_wait_for_ctrl_cmd(lio_dev, &ctrl_cmd)) {
863 lio_dev_err(lio_dev, "Command to %s VLAN port timed out\n",
864 on ? "add" : "remove");
872 * Atomically writes the link status information into global
873 * structure rte_eth_dev.
876 * - Pointer to the structure rte_eth_dev to read from.
877 * - Pointer to the buffer to be saved with the link status.
880 * - On success, zero.
881 * - On failure, negative value.
884 lio_dev_atomic_write_link_status(struct rte_eth_dev *eth_dev,
885 struct rte_eth_link *link)
887 struct rte_eth_link *dst = ð_dev->data->dev_link;
888 struct rte_eth_link *src = link;
890 if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
891 *(uint64_t *)src) == 0)
898 lio_hweight64(uint64_t w)
900 uint64_t res = w - ((w >> 1) & 0x5555555555555555ul);
903 (res & 0x3333333333333333ul) + ((res >> 2) & 0x3333333333333333ul);
904 res = (res + (res >> 4)) & 0x0F0F0F0F0F0F0F0Ful;
905 res = res + (res >> 8);
906 res = res + (res >> 16);
908 return (res + (res >> 32)) & 0x00000000000000FFul;
912 lio_dev_link_update(struct rte_eth_dev *eth_dev,
913 int wait_to_complete __rte_unused)
915 struct lio_device *lio_dev = LIO_DEV(eth_dev);
916 struct rte_eth_link link, old;
919 link.link_status = ETH_LINK_DOWN;
920 link.link_speed = ETH_SPEED_NUM_NONE;
921 link.link_duplex = ETH_LINK_HALF_DUPLEX;
922 memset(&old, 0, sizeof(old));
924 /* Return what we found */
925 if (lio_dev->linfo.link.s.link_up == 0) {
926 /* Interface is down */
927 if (lio_dev_atomic_write_link_status(eth_dev, &link))
929 if (link.link_status == old.link_status)
934 link.link_status = ETH_LINK_UP; /* Interface is up */
935 link.link_duplex = ETH_LINK_FULL_DUPLEX;
936 switch (lio_dev->linfo.link.s.speed) {
937 case LIO_LINK_SPEED_10000:
938 link.link_speed = ETH_SPEED_NUM_10G;
941 link.link_speed = ETH_SPEED_NUM_NONE;
942 link.link_duplex = ETH_LINK_HALF_DUPLEX;
945 if (lio_dev_atomic_write_link_status(eth_dev, &link))
948 if (link.link_status == old.link_status)
955 * \brief Net device enable, disable allmulticast
956 * @param eth_dev Pointer to the structure rte_eth_dev
959 lio_change_dev_flag(struct rte_eth_dev *eth_dev)
961 struct lio_device *lio_dev = LIO_DEV(eth_dev);
962 struct lio_dev_ctrl_cmd ctrl_cmd;
963 struct lio_ctrl_pkt ctrl_pkt;
965 /* flush added to prevent cmd failure
966 * incase the queue is full
968 lio_flush_iq(lio_dev, lio_dev->instr_queue[0]);
970 memset(&ctrl_pkt, 0, sizeof(struct lio_ctrl_pkt));
971 memset(&ctrl_cmd, 0, sizeof(struct lio_dev_ctrl_cmd));
973 ctrl_cmd.eth_dev = eth_dev;
976 /* Create a ctrl pkt command to be sent to core app. */
977 ctrl_pkt.ncmd.s.cmd = LIO_CMD_CHANGE_DEVFLAGS;
978 ctrl_pkt.ncmd.s.param1 = lio_dev->ifflags;
979 ctrl_pkt.ctrl_cmd = &ctrl_cmd;
981 if (lio_send_ctrl_pkt(lio_dev, &ctrl_pkt)) {
982 lio_dev_err(lio_dev, "Failed to send change flag message\n");
986 if (lio_wait_for_ctrl_cmd(lio_dev, &ctrl_cmd))
987 lio_dev_err(lio_dev, "Change dev flag command timed out\n");
991 lio_dev_allmulticast_enable(struct rte_eth_dev *eth_dev)
993 struct lio_device *lio_dev = LIO_DEV(eth_dev);
995 if (!lio_dev->intf_open) {
996 lio_dev_err(lio_dev, "Port %d down, can't enable multicast\n",
1001 lio_dev->ifflags |= LIO_IFFLAG_ALLMULTI;
1002 lio_change_dev_flag(eth_dev);
1006 lio_dev_allmulticast_disable(struct rte_eth_dev *eth_dev)
1008 struct lio_device *lio_dev = LIO_DEV(eth_dev);
1010 if (!lio_dev->intf_open) {
1011 lio_dev_err(lio_dev, "Port %d down, can't disable multicast\n",
1016 lio_dev->ifflags &= ~LIO_IFFLAG_ALLMULTI;
1017 lio_change_dev_flag(eth_dev);
1021 lio_dev_rss_configure(struct rte_eth_dev *eth_dev)
1023 struct lio_device *lio_dev = LIO_DEV(eth_dev);
1024 struct lio_rss_ctx *rss_state = &lio_dev->rss_state;
1025 struct rte_eth_rss_reta_entry64 reta_conf[8];
1026 struct rte_eth_rss_conf rss_conf;
1029 /* Configure the RSS key and the RSS protocols used to compute
1030 * the RSS hash of input packets.
1032 rss_conf = eth_dev->data->dev_conf.rx_adv_conf.rss_conf;
1033 if ((rss_conf.rss_hf & LIO_RSS_OFFLOAD_ALL) == 0) {
1034 rss_state->hash_disable = 1;
1035 lio_dev_rss_hash_update(eth_dev, &rss_conf);
1039 if (rss_conf.rss_key == NULL)
1040 rss_conf.rss_key = lio_rss_key; /* Default hash key */
1042 lio_dev_rss_hash_update(eth_dev, &rss_conf);
1044 memset(reta_conf, 0, sizeof(reta_conf));
1045 for (i = 0; i < LIO_RSS_MAX_TABLE_SZ; i++) {
1046 uint8_t q_idx, conf_idx, reta_idx;
1048 q_idx = (uint8_t)((eth_dev->data->nb_rx_queues > 1) ?
1049 i % eth_dev->data->nb_rx_queues : 0);
1050 conf_idx = i / RTE_RETA_GROUP_SIZE;
1051 reta_idx = i % RTE_RETA_GROUP_SIZE;
1052 reta_conf[conf_idx].reta[reta_idx] = q_idx;
1053 reta_conf[conf_idx].mask |= ((uint64_t)1 << reta_idx);
1056 lio_dev_rss_reta_update(eth_dev, reta_conf, LIO_RSS_MAX_TABLE_SZ);
1060 lio_dev_mq_rx_configure(struct rte_eth_dev *eth_dev)
1062 struct lio_device *lio_dev = LIO_DEV(eth_dev);
1063 struct lio_rss_ctx *rss_state = &lio_dev->rss_state;
1064 struct rte_eth_rss_conf rss_conf;
1066 switch (eth_dev->data->dev_conf.rxmode.mq_mode) {
1068 lio_dev_rss_configure(eth_dev);
1070 case ETH_MQ_RX_NONE:
1071 /* if mq_mode is none, disable rss mode. */
1073 memset(&rss_conf, 0, sizeof(rss_conf));
1074 rss_state->hash_disable = 1;
1075 lio_dev_rss_hash_update(eth_dev, &rss_conf);
1080 * Setup our receive queue/ringbuffer. This is the
1081 * queue the Octeon uses to send us packets and
1082 * responses. We are given a memory pool for our
1083 * packet buffers that are used to populate the receive
1087 * Pointer to the structure rte_eth_dev
1090 * @param num_rx_descs
1091 * Number of entries in the queue
1093 * Where to allocate memory
1095 * Pointer to the struction rte_eth_rxconf
1097 * Pointer to the packet pool
1100 * - On success, return 0
1101 * - On failure, return -1
1104 lio_dev_rx_queue_setup(struct rte_eth_dev *eth_dev, uint16_t q_no,
1105 uint16_t num_rx_descs, unsigned int socket_id,
1106 const struct rte_eth_rxconf *rx_conf __rte_unused,
1107 struct rte_mempool *mp)
1109 struct lio_device *lio_dev = LIO_DEV(eth_dev);
1110 struct rte_pktmbuf_pool_private *mbp_priv;
1111 uint32_t fw_mapped_oq;
1114 if (q_no >= lio_dev->nb_rx_queues) {
1115 lio_dev_err(lio_dev, "Invalid rx queue number %u\n", q_no);
1119 lio_dev_dbg(lio_dev, "setting up rx queue %u\n", q_no);
1121 fw_mapped_oq = lio_dev->linfo.rxpciq[q_no].s.q_no;
1123 if ((lio_dev->droq[fw_mapped_oq]) &&
1124 (num_rx_descs != lio_dev->droq[fw_mapped_oq]->max_count)) {
1125 lio_dev_err(lio_dev,
1126 "Reconfiguring Rx descs not supported. Configure descs to same value %u or restart application\n",
1127 lio_dev->droq[fw_mapped_oq]->max_count);
1131 mbp_priv = rte_mempool_get_priv(mp);
1132 buf_size = mbp_priv->mbuf_data_room_size - RTE_PKTMBUF_HEADROOM;
1134 if (lio_setup_droq(lio_dev, fw_mapped_oq, num_rx_descs, buf_size, mp,
1136 lio_dev_err(lio_dev, "droq allocation failed\n");
1140 eth_dev->data->rx_queues[q_no] = lio_dev->droq[fw_mapped_oq];
1146 * Release the receive queue/ringbuffer. Called by
1150 * Opaque pointer to the receive queue to release
1156 lio_dev_rx_queue_release(void *rxq)
1158 struct lio_droq *droq = rxq;
1159 struct lio_device *lio_dev = droq->lio_dev;
1162 /* Run time queue deletion not supported */
1163 if (lio_dev->port_configured)
1168 lio_delete_droq_queue(droq->lio_dev, oq_no);
1173 * Allocate and initialize SW ring. Initialize associated HW registers.
1176 * Pointer to structure rte_eth_dev
1181 * @param num_tx_descs
1182 * Number of ringbuffer descriptors
1185 * NUMA socket id, used for memory allocations
1188 * Pointer to the structure rte_eth_txconf
1191 * - On success, return 0
1192 * - On failure, return -errno value
1195 lio_dev_tx_queue_setup(struct rte_eth_dev *eth_dev, uint16_t q_no,
1196 uint16_t num_tx_descs, unsigned int socket_id,
1197 const struct rte_eth_txconf *tx_conf __rte_unused)
1199 struct lio_device *lio_dev = LIO_DEV(eth_dev);
1200 int fw_mapped_iq = lio_dev->linfo.txpciq[q_no].s.q_no;
1203 if (q_no >= lio_dev->nb_tx_queues) {
1204 lio_dev_err(lio_dev, "Invalid tx queue number %u\n", q_no);
1208 lio_dev_dbg(lio_dev, "setting up tx queue %u\n", q_no);
1210 if ((lio_dev->instr_queue[fw_mapped_iq] != NULL) &&
1211 (num_tx_descs != lio_dev->instr_queue[fw_mapped_iq]->max_count)) {
1212 lio_dev_err(lio_dev,
1213 "Reconfiguring Tx descs not supported. Configure descs to same value %u or restart application\n",
1214 lio_dev->instr_queue[fw_mapped_iq]->max_count);
1218 retval = lio_setup_iq(lio_dev, q_no, lio_dev->linfo.txpciq[q_no],
1219 num_tx_descs, lio_dev, socket_id);
1222 lio_dev_err(lio_dev, "Runtime IQ(TxQ) creation failed.\n");
1226 retval = lio_setup_sglists(lio_dev, q_no, fw_mapped_iq,
1227 lio_dev->instr_queue[fw_mapped_iq]->max_count,
1231 lio_delete_instruction_queue(lio_dev, fw_mapped_iq);
1235 eth_dev->data->tx_queues[q_no] = lio_dev->instr_queue[fw_mapped_iq];
1241 * Release the transmit queue/ringbuffer. Called by
1245 * Opaque pointer to the transmit queue to release
1251 lio_dev_tx_queue_release(void *txq)
1253 struct lio_instr_queue *tq = txq;
1254 struct lio_device *lio_dev = tq->lio_dev;
1255 uint32_t fw_mapped_iq_no;
1257 /* Run time queue deletion not supported */
1258 if (lio_dev->port_configured)
1263 lio_delete_sglist(tq);
1265 fw_mapped_iq_no = tq->txpciq.s.q_no;
1266 lio_delete_instruction_queue(tq->lio_dev, fw_mapped_iq_no);
1271 * Api to check link state.
1274 lio_dev_get_link_status(struct rte_eth_dev *eth_dev)
1276 struct lio_device *lio_dev = LIO_DEV(eth_dev);
1277 uint16_t timeout = LIO_MAX_CMD_TIMEOUT;
1278 struct lio_link_status_resp *resp;
1279 union octeon_link_status *ls;
1280 struct lio_soft_command *sc;
1283 if (!lio_dev->intf_open)
1286 resp_size = sizeof(struct lio_link_status_resp);
1287 sc = lio_alloc_soft_command(lio_dev, 0, resp_size, 0);
1291 resp = (struct lio_link_status_resp *)sc->virtrptr;
1292 lio_prepare_soft_command(lio_dev, sc, LIO_OPCODE,
1293 LIO_OPCODE_INFO, 0, 0, 0);
1295 /* Setting wait time in seconds */
1296 sc->wait_time = LIO_MAX_CMD_TIMEOUT / 1000;
1298 if (lio_send_soft_command(lio_dev, sc) == LIO_IQ_SEND_FAILED)
1299 goto get_status_fail;
1301 while ((*sc->status_word == LIO_COMPLETION_WORD_INIT) && --timeout) {
1302 lio_flush_iq(lio_dev, lio_dev->instr_queue[sc->iq_no]);
1307 goto get_status_fail;
1309 ls = &resp->link_info.link;
1311 lio_swap_8B_data((uint64_t *)ls, sizeof(union octeon_link_status) >> 3);
1313 if (lio_dev->linfo.link.link_status64 != ls->link_status64) {
1314 lio_dev->linfo.link.link_status64 = ls->link_status64;
1315 lio_dev_link_update(eth_dev, 0);
1318 lio_free_soft_command(sc);
1323 lio_free_soft_command(sc);
1326 /* This function will be invoked every LSC_TIMEOUT ns (100ms)
1327 * and will update link state if it changes.
1330 lio_sync_link_state_check(void *eth_dev)
1332 struct lio_device *lio_dev =
1333 (((struct rte_eth_dev *)eth_dev)->data->dev_private);
1335 if (lio_dev->port_configured)
1336 lio_dev_get_link_status(eth_dev);
1338 /* Schedule periodic link status check.
1339 * Stop check if interface is close and start again while opening.
1341 if (lio_dev->intf_open)
1342 rte_eal_alarm_set(LIO_LSC_TIMEOUT, lio_sync_link_state_check,
1347 lio_dev_start(struct rte_eth_dev *eth_dev)
1349 uint16_t mtu = eth_dev->data->dev_conf.rxmode.max_rx_pkt_len;
1350 struct lio_device *lio_dev = LIO_DEV(eth_dev);
1351 uint16_t timeout = LIO_MAX_CMD_TIMEOUT;
1354 lio_dev_info(lio_dev, "Starting port %d\n", eth_dev->data->port_id);
1356 if (lio_dev->fn_list.enable_io_queues(lio_dev))
1359 if (lio_send_rx_ctrl_cmd(eth_dev, 1))
1362 /* Ready for link status updates */
1363 lio_dev->intf_open = 1;
1366 /* Configure RSS if device configured with multiple RX queues. */
1367 lio_dev_mq_rx_configure(eth_dev);
1369 /* start polling for lsc */
1370 ret = rte_eal_alarm_set(LIO_LSC_TIMEOUT,
1371 lio_sync_link_state_check,
1374 lio_dev_err(lio_dev,
1375 "link state check handler creation failed\n");
1376 goto dev_lsc_handle_error;
1379 while ((lio_dev->linfo.link.link_status64 == 0) && (--timeout))
1382 if (lio_dev->linfo.link.link_status64 == 0) {
1384 goto dev_mtu_check_error;
1387 if (lio_dev->linfo.link.s.mtu != mtu) {
1388 ret = lio_dev_validate_vf_mtu(eth_dev, mtu);
1390 goto dev_mtu_check_error;
1395 dev_mtu_check_error:
1396 rte_eal_alarm_cancel(lio_sync_link_state_check, eth_dev);
1398 dev_lsc_handle_error:
1399 lio_dev->intf_open = 0;
1400 lio_send_rx_ctrl_cmd(eth_dev, 0);
1405 /* Stop device and disable input/output functions */
1407 lio_dev_stop(struct rte_eth_dev *eth_dev)
1409 struct lio_device *lio_dev = LIO_DEV(eth_dev);
1411 lio_dev_info(lio_dev, "Stopping port %d\n", eth_dev->data->port_id);
1412 lio_dev->intf_open = 0;
1415 /* Cancel callback if still running. */
1416 rte_eal_alarm_cancel(lio_sync_link_state_check, eth_dev);
1418 lio_send_rx_ctrl_cmd(eth_dev, 0);
1420 /* Clear recorded link status */
1421 lio_dev->linfo.link.link_status64 = 0;
1425 lio_dev_set_link_up(struct rte_eth_dev *eth_dev)
1427 struct lio_device *lio_dev = LIO_DEV(eth_dev);
1429 if (!lio_dev->intf_open) {
1430 lio_dev_info(lio_dev, "Port is stopped, Start the port first\n");
1434 if (lio_dev->linfo.link.s.link_up) {
1435 lio_dev_info(lio_dev, "Link is already UP\n");
1439 if (lio_send_rx_ctrl_cmd(eth_dev, 1)) {
1440 lio_dev_err(lio_dev, "Unable to set Link UP\n");
1444 lio_dev->linfo.link.s.link_up = 1;
1445 eth_dev->data->dev_link.link_status = ETH_LINK_UP;
1451 lio_dev_set_link_down(struct rte_eth_dev *eth_dev)
1453 struct lio_device *lio_dev = LIO_DEV(eth_dev);
1455 if (!lio_dev->intf_open) {
1456 lio_dev_info(lio_dev, "Port is stopped, Start the port first\n");
1460 if (!lio_dev->linfo.link.s.link_up) {
1461 lio_dev_info(lio_dev, "Link is already DOWN\n");
1465 lio_dev->linfo.link.s.link_up = 0;
1466 eth_dev->data->dev_link.link_status = ETH_LINK_DOWN;
1468 if (lio_send_rx_ctrl_cmd(eth_dev, 0)) {
1469 lio_dev->linfo.link.s.link_up = 1;
1470 eth_dev->data->dev_link.link_status = ETH_LINK_UP;
1471 lio_dev_err(lio_dev, "Unable to set Link Down\n");
1479 * Reset and stop the device. This occurs on the first
1480 * call to this routine. Subsequent calls will simply
1481 * return. NB: This will require the NIC to be rebooted.
1484 * Pointer to the structure rte_eth_dev
1490 lio_dev_close(struct rte_eth_dev *eth_dev)
1492 struct lio_device *lio_dev = LIO_DEV(eth_dev);
1495 lio_dev_info(lio_dev, "closing port %d\n", eth_dev->data->port_id);
1497 if (lio_dev->intf_open)
1498 lio_dev_stop(eth_dev);
1500 lio_wait_for_instr_fetch(lio_dev);
1502 lio_dev->fn_list.disable_io_queues(lio_dev);
1504 cn23xx_vf_set_io_queues_off(lio_dev);
1506 /* Reset iq regs (IQ_DBELL).
1507 * Clear sli_pktx_cnts (OQ_PKTS_SENT).
1509 for (i = 0; i < lio_dev->nb_rx_queues; i++) {
1510 struct lio_droq *droq = lio_dev->droq[i];
1515 uint32_t pkt_count = rte_read32(droq->pkts_sent_reg);
1517 lio_dev_dbg(lio_dev,
1518 "pending oq count %u\n", pkt_count);
1519 rte_write32(pkt_count, droq->pkts_sent_reg);
1522 /* Do FLR for the VF */
1523 cn23xx_vf_ask_pf_to_do_flr(lio_dev);
1526 lio_dev->fn_list.free_mbox(lio_dev);
1528 /* Free glist resources */
1529 rte_free(lio_dev->glist_head);
1530 rte_free(lio_dev->glist_lock);
1531 lio_dev->glist_head = NULL;
1532 lio_dev->glist_lock = NULL;
1534 lio_dev->port_configured = 0;
1536 /* Delete all queues */
1537 lio_dev_clear_queues(eth_dev);
1541 * Enable tunnel rx checksum verification from firmware.
1544 lio_enable_hw_tunnel_rx_checksum(struct rte_eth_dev *eth_dev)
1546 struct lio_device *lio_dev = LIO_DEV(eth_dev);
1547 struct lio_dev_ctrl_cmd ctrl_cmd;
1548 struct lio_ctrl_pkt ctrl_pkt;
1550 /* flush added to prevent cmd failure
1551 * incase the queue is full
1553 lio_flush_iq(lio_dev, lio_dev->instr_queue[0]);
1555 memset(&ctrl_pkt, 0, sizeof(struct lio_ctrl_pkt));
1556 memset(&ctrl_cmd, 0, sizeof(struct lio_dev_ctrl_cmd));
1558 ctrl_cmd.eth_dev = eth_dev;
1561 ctrl_pkt.ncmd.s.cmd = LIO_CMD_TNL_RX_CSUM_CTL;
1562 ctrl_pkt.ncmd.s.param1 = LIO_CMD_RXCSUM_ENABLE;
1563 ctrl_pkt.ctrl_cmd = &ctrl_cmd;
1565 if (lio_send_ctrl_pkt(lio_dev, &ctrl_pkt)) {
1566 lio_dev_err(lio_dev, "Failed to send TNL_RX_CSUM command\n");
1570 if (lio_wait_for_ctrl_cmd(lio_dev, &ctrl_cmd))
1571 lio_dev_err(lio_dev, "TNL_RX_CSUM command timed out\n");
1575 * Enable checksum calculation for inner packet in a tunnel.
1578 lio_enable_hw_tunnel_tx_checksum(struct rte_eth_dev *eth_dev)
1580 struct lio_device *lio_dev = LIO_DEV(eth_dev);
1581 struct lio_dev_ctrl_cmd ctrl_cmd;
1582 struct lio_ctrl_pkt ctrl_pkt;
1584 /* flush added to prevent cmd failure
1585 * incase the queue is full
1587 lio_flush_iq(lio_dev, lio_dev->instr_queue[0]);
1589 memset(&ctrl_pkt, 0, sizeof(struct lio_ctrl_pkt));
1590 memset(&ctrl_cmd, 0, sizeof(struct lio_dev_ctrl_cmd));
1592 ctrl_cmd.eth_dev = eth_dev;
1595 ctrl_pkt.ncmd.s.cmd = LIO_CMD_TNL_TX_CSUM_CTL;
1596 ctrl_pkt.ncmd.s.param1 = LIO_CMD_TXCSUM_ENABLE;
1597 ctrl_pkt.ctrl_cmd = &ctrl_cmd;
1599 if (lio_send_ctrl_pkt(lio_dev, &ctrl_pkt)) {
1600 lio_dev_err(lio_dev, "Failed to send TNL_TX_CSUM command\n");
1604 if (lio_wait_for_ctrl_cmd(lio_dev, &ctrl_cmd))
1605 lio_dev_err(lio_dev, "TNL_TX_CSUM command timed out\n");
1608 static int lio_dev_configure(struct rte_eth_dev *eth_dev)
1610 struct lio_device *lio_dev = LIO_DEV(eth_dev);
1611 uint16_t timeout = LIO_MAX_CMD_TIMEOUT;
1612 int retval, num_iqueues, num_oqueues;
1613 uint8_t mac[ETHER_ADDR_LEN], i;
1614 struct lio_if_cfg_resp *resp;
1615 struct lio_soft_command *sc;
1616 union lio_if_cfg if_cfg;
1619 PMD_INIT_FUNC_TRACE();
1621 /* Re-configuring firmware not supported.
1622 * Can't change tx/rx queues per port from initial value.
1624 if (lio_dev->port_configured) {
1625 if ((lio_dev->nb_rx_queues != eth_dev->data->nb_rx_queues) ||
1626 (lio_dev->nb_tx_queues != eth_dev->data->nb_tx_queues)) {
1627 lio_dev_err(lio_dev,
1628 "rxq/txq re-conf not supported. Restart application with new value.\n");
1634 lio_dev->nb_rx_queues = eth_dev->data->nb_rx_queues;
1635 lio_dev->nb_tx_queues = eth_dev->data->nb_tx_queues;
1637 resp_size = sizeof(struct lio_if_cfg_resp);
1638 sc = lio_alloc_soft_command(lio_dev, 0, resp_size, 0);
1642 resp = (struct lio_if_cfg_resp *)sc->virtrptr;
1644 /* Firmware doesn't have capability to reconfigure the queues,
1645 * Claim all queues, and use as many required
1647 if_cfg.if_cfg64 = 0;
1648 if_cfg.s.num_iqueues = lio_dev->nb_tx_queues;
1649 if_cfg.s.num_oqueues = lio_dev->nb_rx_queues;
1650 if_cfg.s.base_queue = 0;
1652 if_cfg.s.gmx_port_id = lio_dev->pf_num;
1654 lio_prepare_soft_command(lio_dev, sc, LIO_OPCODE,
1655 LIO_OPCODE_IF_CFG, 0,
1656 if_cfg.if_cfg64, 0);
1658 /* Setting wait time in seconds */
1659 sc->wait_time = LIO_MAX_CMD_TIMEOUT / 1000;
1661 retval = lio_send_soft_command(lio_dev, sc);
1662 if (retval == LIO_IQ_SEND_FAILED) {
1663 lio_dev_err(lio_dev, "iq/oq config failed status: %x\n",
1665 /* Soft instr is freed by driver in case of failure. */
1666 goto nic_config_fail;
1669 /* Sleep on a wait queue till the cond flag indicates that the
1670 * response arrived or timed-out.
1672 while ((*sc->status_word == LIO_COMPLETION_WORD_INIT) && --timeout) {
1673 lio_flush_iq(lio_dev, lio_dev->instr_queue[sc->iq_no]);
1674 lio_process_ordered_list(lio_dev);
1678 retval = resp->status;
1680 lio_dev_err(lio_dev, "iq/oq config failed\n");
1681 goto nic_config_fail;
1684 lio_swap_8B_data((uint64_t *)(&resp->cfg_info),
1685 sizeof(struct octeon_if_cfg_info) >> 3);
1687 num_iqueues = lio_hweight64(resp->cfg_info.iqmask);
1688 num_oqueues = lio_hweight64(resp->cfg_info.oqmask);
1690 if (!(num_iqueues) || !(num_oqueues)) {
1691 lio_dev_err(lio_dev,
1692 "Got bad iqueues (%016lx) or oqueues (%016lx) from firmware.\n",
1693 (unsigned long)resp->cfg_info.iqmask,
1694 (unsigned long)resp->cfg_info.oqmask);
1695 goto nic_config_fail;
1698 lio_dev_dbg(lio_dev,
1699 "interface %d, iqmask %016lx, oqmask %016lx, numiqueues %d, numoqueues %d\n",
1700 eth_dev->data->port_id,
1701 (unsigned long)resp->cfg_info.iqmask,
1702 (unsigned long)resp->cfg_info.oqmask,
1703 num_iqueues, num_oqueues);
1705 lio_dev->linfo.num_rxpciq = num_oqueues;
1706 lio_dev->linfo.num_txpciq = num_iqueues;
1708 for (i = 0; i < num_oqueues; i++) {
1709 lio_dev->linfo.rxpciq[i].rxpciq64 =
1710 resp->cfg_info.linfo.rxpciq[i].rxpciq64;
1711 lio_dev_dbg(lio_dev, "index %d OQ %d\n",
1712 i, lio_dev->linfo.rxpciq[i].s.q_no);
1715 for (i = 0; i < num_iqueues; i++) {
1716 lio_dev->linfo.txpciq[i].txpciq64 =
1717 resp->cfg_info.linfo.txpciq[i].txpciq64;
1718 lio_dev_dbg(lio_dev, "index %d IQ %d\n",
1719 i, lio_dev->linfo.txpciq[i].s.q_no);
1722 lio_dev->linfo.hw_addr = resp->cfg_info.linfo.hw_addr;
1723 lio_dev->linfo.gmxport = resp->cfg_info.linfo.gmxport;
1724 lio_dev->linfo.link.link_status64 =
1725 resp->cfg_info.linfo.link.link_status64;
1727 /* 64-bit swap required on LE machines */
1728 lio_swap_8B_data(&lio_dev->linfo.hw_addr, 1);
1729 for (i = 0; i < ETHER_ADDR_LEN; i++)
1730 mac[i] = *((uint8_t *)(((uint8_t *)&lio_dev->linfo.hw_addr) +
1733 /* Copy the permanent MAC address */
1734 ether_addr_copy((struct ether_addr *)mac, ð_dev->data->mac_addrs[0]);
1736 /* enable firmware checksum support for tunnel packets */
1737 lio_enable_hw_tunnel_rx_checksum(eth_dev);
1738 lio_enable_hw_tunnel_tx_checksum(eth_dev);
1740 lio_dev->glist_lock =
1741 rte_zmalloc(NULL, sizeof(*lio_dev->glist_lock) * num_iqueues, 0);
1742 if (lio_dev->glist_lock == NULL)
1745 lio_dev->glist_head =
1746 rte_zmalloc(NULL, sizeof(*lio_dev->glist_head) * num_iqueues,
1748 if (lio_dev->glist_head == NULL) {
1749 rte_free(lio_dev->glist_lock);
1750 lio_dev->glist_lock = NULL;
1754 lio_dev_link_update(eth_dev, 0);
1756 lio_dev->port_configured = 1;
1758 lio_free_soft_command(sc);
1760 /* Disable iq_0 for reconf */
1761 lio_dev->fn_list.disable_io_queues(lio_dev);
1763 /* Reset ioq regs */
1764 lio_dev->fn_list.setup_device_regs(lio_dev);
1766 /* Free iq_0 used during init */
1767 lio_free_instr_queue0(lio_dev);
1772 lio_dev_err(lio_dev, "Failed retval %d\n", retval);
1773 lio_free_soft_command(sc);
1774 lio_free_instr_queue0(lio_dev);
1779 /* Define our ethernet definitions */
1780 static const struct eth_dev_ops liovf_eth_dev_ops = {
1781 .dev_configure = lio_dev_configure,
1782 .dev_start = lio_dev_start,
1783 .dev_stop = lio_dev_stop,
1784 .dev_set_link_up = lio_dev_set_link_up,
1785 .dev_set_link_down = lio_dev_set_link_down,
1786 .dev_close = lio_dev_close,
1787 .allmulticast_enable = lio_dev_allmulticast_enable,
1788 .allmulticast_disable = lio_dev_allmulticast_disable,
1789 .link_update = lio_dev_link_update,
1790 .stats_get = lio_dev_stats_get,
1791 .xstats_get = lio_dev_xstats_get,
1792 .xstats_get_names = lio_dev_xstats_get_names,
1793 .stats_reset = lio_dev_stats_reset,
1794 .xstats_reset = lio_dev_xstats_reset,
1795 .dev_infos_get = lio_dev_info_get,
1796 .vlan_filter_set = lio_dev_vlan_filter_set,
1797 .rx_queue_setup = lio_dev_rx_queue_setup,
1798 .rx_queue_release = lio_dev_rx_queue_release,
1799 .tx_queue_setup = lio_dev_tx_queue_setup,
1800 .tx_queue_release = lio_dev_tx_queue_release,
1801 .reta_update = lio_dev_rss_reta_update,
1802 .reta_query = lio_dev_rss_reta_query,
1803 .rss_hash_conf_get = lio_dev_rss_hash_conf_get,
1804 .rss_hash_update = lio_dev_rss_hash_update,
1805 .udp_tunnel_port_add = lio_dev_udp_tunnel_add,
1806 .udp_tunnel_port_del = lio_dev_udp_tunnel_del,
1810 lio_check_pf_hs_response(void *lio_dev)
1812 struct lio_device *dev = lio_dev;
1814 /* check till response arrives */
1815 if (dev->pfvf_hsword.coproc_tics_per_us)
1818 cn23xx_vf_handle_mbox(dev);
1820 rte_eal_alarm_set(1, lio_check_pf_hs_response, lio_dev);
1824 * \brief Identify the LIO device and to map the BAR address space
1825 * @param lio_dev lio device
1828 lio_chip_specific_setup(struct lio_device *lio_dev)
1830 struct rte_pci_device *pdev = lio_dev->pci_dev;
1831 uint32_t dev_id = pdev->id.device_id;
1836 case LIO_CN23XX_VF_VID:
1837 lio_dev->chip_id = LIO_CN23XX_VF_VID;
1838 ret = cn23xx_vf_setup_device(lio_dev);
1843 lio_dev_err(lio_dev, "Unsupported Chip\n");
1847 lio_dev_info(lio_dev, "DEVICE : %s\n", s);
1853 lio_first_time_init(struct lio_device *lio_dev,
1854 struct rte_pci_device *pdev)
1858 PMD_INIT_FUNC_TRACE();
1860 /* set dpdk specific pci device pointer */
1861 lio_dev->pci_dev = pdev;
1863 /* Identify the LIO type and set device ops */
1864 if (lio_chip_specific_setup(lio_dev)) {
1865 lio_dev_err(lio_dev, "Chip specific setup failed\n");
1869 /* Initialize soft command buffer pool */
1870 if (lio_setup_sc_buffer_pool(lio_dev)) {
1871 lio_dev_err(lio_dev, "sc buffer pool allocation failed\n");
1875 /* Initialize lists to manage the requests of different types that
1876 * arrive from applications for this lio device.
1878 lio_setup_response_list(lio_dev);
1880 if (lio_dev->fn_list.setup_mbox(lio_dev)) {
1881 lio_dev_err(lio_dev, "Mailbox setup failed\n");
1885 /* Check PF response */
1886 lio_check_pf_hs_response((void *)lio_dev);
1888 /* Do handshake and exit if incompatible PF driver */
1889 if (cn23xx_pfvf_handshake(lio_dev))
1893 cn23xx_vf_ask_pf_to_do_flr(lio_dev);
1894 /* Wait for FLR for 100ms per SRIOV specification */
1897 if (cn23xx_vf_set_io_queues_off(lio_dev)) {
1898 lio_dev_err(lio_dev, "Setting io queues off failed\n");
1902 if (lio_dev->fn_list.setup_device_regs(lio_dev)) {
1903 lio_dev_err(lio_dev, "Failed to configure device registers\n");
1907 if (lio_setup_instr_queue0(lio_dev)) {
1908 lio_dev_err(lio_dev, "Failed to setup instruction queue 0\n");
1912 dpdk_queues = (int)lio_dev->sriov_info.rings_per_vf;
1914 lio_dev->max_tx_queues = dpdk_queues;
1915 lio_dev->max_rx_queues = dpdk_queues;
1917 /* Enable input and output queues for this device */
1918 if (lio_dev->fn_list.enable_io_queues(lio_dev))
1924 lio_free_sc_buffer_pool(lio_dev);
1925 if (lio_dev->mbox[0])
1926 lio_dev->fn_list.free_mbox(lio_dev);
1927 if (lio_dev->instr_queue[0])
1928 lio_free_instr_queue0(lio_dev);
1934 lio_eth_dev_uninit(struct rte_eth_dev *eth_dev)
1936 struct lio_device *lio_dev = LIO_DEV(eth_dev);
1938 PMD_INIT_FUNC_TRACE();
1940 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1943 /* lio_free_sc_buffer_pool */
1944 lio_free_sc_buffer_pool(lio_dev);
1946 rte_free(eth_dev->data->mac_addrs);
1947 eth_dev->data->mac_addrs = NULL;
1949 eth_dev->dev_ops = NULL;
1950 eth_dev->rx_pkt_burst = NULL;
1951 eth_dev->tx_pkt_burst = NULL;
1957 lio_eth_dev_init(struct rte_eth_dev *eth_dev)
1959 struct rte_pci_device *pdev = RTE_DEV_TO_PCI(eth_dev->device);
1960 struct lio_device *lio_dev = LIO_DEV(eth_dev);
1962 PMD_INIT_FUNC_TRACE();
1964 eth_dev->rx_pkt_burst = &lio_dev_recv_pkts;
1965 eth_dev->tx_pkt_burst = &lio_dev_xmit_pkts;
1967 /* Primary does the initialization. */
1968 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1971 rte_eth_copy_pci_info(eth_dev, pdev);
1972 eth_dev->data->dev_flags |= RTE_ETH_DEV_DETACHABLE;
1974 if (pdev->mem_resource[0].addr) {
1975 lio_dev->hw_addr = pdev->mem_resource[0].addr;
1977 PMD_INIT_LOG(ERR, "ERROR: Failed to map BAR0\n");
1981 lio_dev->eth_dev = eth_dev;
1982 /* set lio device print string */
1983 snprintf(lio_dev->dev_string, sizeof(lio_dev->dev_string),
1984 "%s[%02x:%02x.%x]", pdev->driver->driver.name,
1985 pdev->addr.bus, pdev->addr.devid, pdev->addr.function);
1987 lio_dev->port_id = eth_dev->data->port_id;
1989 if (lio_first_time_init(lio_dev, pdev)) {
1990 lio_dev_err(lio_dev, "Device init failed\n");
1994 eth_dev->dev_ops = &liovf_eth_dev_ops;
1995 eth_dev->data->mac_addrs = rte_zmalloc("lio", ETHER_ADDR_LEN, 0);
1996 if (eth_dev->data->mac_addrs == NULL) {
1997 lio_dev_err(lio_dev,
1998 "MAC addresses memory allocation failed\n");
1999 eth_dev->dev_ops = NULL;
2000 eth_dev->rx_pkt_burst = NULL;
2001 eth_dev->tx_pkt_burst = NULL;
2005 rte_atomic64_set(&lio_dev->status, LIO_DEV_RUNNING);
2008 lio_dev->port_configured = 0;
2009 /* Always allow unicast packets */
2010 lio_dev->ifflags |= LIO_IFFLAG_UNICAST;
2016 lio_eth_dev_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
2017 struct rte_pci_device *pci_dev)
2019 struct rte_eth_dev *eth_dev;
2022 eth_dev = rte_eth_dev_pci_allocate(pci_dev,
2023 sizeof(struct lio_device));
2024 if (eth_dev == NULL)
2027 ret = lio_eth_dev_init(eth_dev);
2029 rte_eth_dev_pci_release(eth_dev);
2035 lio_eth_dev_pci_remove(struct rte_pci_device *pci_dev)
2037 return rte_eth_dev_pci_generic_remove(pci_dev,
2038 lio_eth_dev_uninit);
2041 /* Set of PCI devices this driver supports */
2042 static const struct rte_pci_id pci_id_liovf_map[] = {
2043 { RTE_PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, LIO_CN23XX_VF_VID) },
2044 { .vendor_id = 0, /* sentinel */ }
2047 static struct rte_pci_driver rte_liovf_pmd = {
2048 .id_table = pci_id_liovf_map,
2049 .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
2050 .probe = lio_eth_dev_pci_probe,
2051 .remove = lio_eth_dev_pci_remove,
2054 RTE_PMD_REGISTER_PCI(net_liovf, rte_liovf_pmd);
2055 RTE_PMD_REGISTER_PCI_TABLE(net_liovf, pci_id_liovf_map);
2056 RTE_PMD_REGISTER_KMOD_DEP(net_liovf, "* igb_uio | vfio");