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[ceph.git] / ceph / src / spdk / dpdk / drivers / net / liquidio / lio_ethdev.c
1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2017 Cavium, Inc
3 */
4
5 #include <rte_ethdev_driver.h>
6 #include <rte_ethdev_pci.h>
7 #include <rte_cycles.h>
8 #include <rte_malloc.h>
9 #include <rte_alarm.h>
10 #include <rte_ether.h>
11
12 #include "lio_logs.h"
13 #include "lio_23xx_vf.h"
14 #include "lio_ethdev.h"
15 #include "lio_rxtx.h"
16
17 int lio_logtype_init;
18 int lio_logtype_driver;
19
20 /* Default RSS key in use */
21 static uint8_t lio_rss_key[40] = {
22 0x6D, 0x5A, 0x56, 0xDA, 0x25, 0x5B, 0x0E, 0xC2,
23 0x41, 0x67, 0x25, 0x3D, 0x43, 0xA3, 0x8F, 0xB0,
24 0xD0, 0xCA, 0x2B, 0xCB, 0xAE, 0x7B, 0x30, 0xB4,
25 0x77, 0xCB, 0x2D, 0xA3, 0x80, 0x30, 0xF2, 0x0C,
26 0x6A, 0x42, 0xB7, 0x3B, 0xBE, 0xAC, 0x01, 0xFA,
27 };
28
29 static const struct rte_eth_desc_lim lio_rx_desc_lim = {
30 .nb_max = CN23XX_MAX_OQ_DESCRIPTORS,
31 .nb_min = CN23XX_MIN_OQ_DESCRIPTORS,
32 .nb_align = 1,
33 };
34
35 static const struct rte_eth_desc_lim lio_tx_desc_lim = {
36 .nb_max = CN23XX_MAX_IQ_DESCRIPTORS,
37 .nb_min = CN23XX_MIN_IQ_DESCRIPTORS,
38 .nb_align = 1,
39 };
40
41 /* Wait for control command to reach nic. */
42 static uint16_t
43 lio_wait_for_ctrl_cmd(struct lio_device *lio_dev,
44 struct lio_dev_ctrl_cmd *ctrl_cmd)
45 {
46 uint16_t timeout = LIO_MAX_CMD_TIMEOUT;
47
48 while ((ctrl_cmd->cond == 0) && --timeout) {
49 lio_flush_iq(lio_dev, lio_dev->instr_queue[0]);
50 rte_delay_ms(1);
51 }
52
53 return !timeout;
54 }
55
56 /**
57 * \brief Send Rx control command
58 * @param eth_dev Pointer to the structure rte_eth_dev
59 * @param start_stop whether to start or stop
60 */
61 static int
62 lio_send_rx_ctrl_cmd(struct rte_eth_dev *eth_dev, int start_stop)
63 {
64 struct lio_device *lio_dev = LIO_DEV(eth_dev);
65 struct lio_dev_ctrl_cmd ctrl_cmd;
66 struct lio_ctrl_pkt ctrl_pkt;
67
68 /* flush added to prevent cmd failure
69 * incase the queue is full
70 */
71 lio_flush_iq(lio_dev, lio_dev->instr_queue[0]);
72
73 memset(&ctrl_pkt, 0, sizeof(struct lio_ctrl_pkt));
74 memset(&ctrl_cmd, 0, sizeof(struct lio_dev_ctrl_cmd));
75
76 ctrl_cmd.eth_dev = eth_dev;
77 ctrl_cmd.cond = 0;
78
79 ctrl_pkt.ncmd.s.cmd = LIO_CMD_RX_CTL;
80 ctrl_pkt.ncmd.s.param1 = start_stop;
81 ctrl_pkt.ctrl_cmd = &ctrl_cmd;
82
83 if (lio_send_ctrl_pkt(lio_dev, &ctrl_pkt)) {
84 lio_dev_err(lio_dev, "Failed to send RX Control message\n");
85 return -1;
86 }
87
88 if (lio_wait_for_ctrl_cmd(lio_dev, &ctrl_cmd)) {
89 lio_dev_err(lio_dev, "RX Control command timed out\n");
90 return -1;
91 }
92
93 return 0;
94 }
95
96 /* store statistics names and its offset in stats structure */
97 struct rte_lio_xstats_name_off {
98 char name[RTE_ETH_XSTATS_NAME_SIZE];
99 unsigned int offset;
100 };
101
102 static const struct rte_lio_xstats_name_off rte_lio_stats_strings[] = {
103 {"rx_pkts", offsetof(struct octeon_rx_stats, total_rcvd)},
104 {"rx_bytes", offsetof(struct octeon_rx_stats, bytes_rcvd)},
105 {"rx_broadcast_pkts", offsetof(struct octeon_rx_stats, total_bcst)},
106 {"rx_multicast_pkts", offsetof(struct octeon_rx_stats, total_mcst)},
107 {"rx_flow_ctrl_pkts", offsetof(struct octeon_rx_stats, ctl_rcvd)},
108 {"rx_fifo_err", offsetof(struct octeon_rx_stats, fifo_err)},
109 {"rx_dmac_drop", offsetof(struct octeon_rx_stats, dmac_drop)},
110 {"rx_fcs_err", offsetof(struct octeon_rx_stats, fcs_err)},
111 {"rx_jabber_err", offsetof(struct octeon_rx_stats, jabber_err)},
112 {"rx_l2_err", offsetof(struct octeon_rx_stats, l2_err)},
113 {"rx_vxlan_pkts", offsetof(struct octeon_rx_stats, fw_rx_vxlan)},
114 {"rx_vxlan_err", offsetof(struct octeon_rx_stats, fw_rx_vxlan_err)},
115 {"rx_lro_pkts", offsetof(struct octeon_rx_stats, fw_lro_pkts)},
116 {"tx_pkts", (offsetof(struct octeon_tx_stats, total_pkts_sent)) +
117 sizeof(struct octeon_rx_stats)},
118 {"tx_bytes", (offsetof(struct octeon_tx_stats, total_bytes_sent)) +
119 sizeof(struct octeon_rx_stats)},
120 {"tx_broadcast_pkts",
121 (offsetof(struct octeon_tx_stats, bcast_pkts_sent)) +
122 sizeof(struct octeon_rx_stats)},
123 {"tx_multicast_pkts",
124 (offsetof(struct octeon_tx_stats, mcast_pkts_sent)) +
125 sizeof(struct octeon_rx_stats)},
126 {"tx_flow_ctrl_pkts", (offsetof(struct octeon_tx_stats, ctl_sent)) +
127 sizeof(struct octeon_rx_stats)},
128 {"tx_fifo_err", (offsetof(struct octeon_tx_stats, fifo_err)) +
129 sizeof(struct octeon_rx_stats)},
130 {"tx_total_collisions", (offsetof(struct octeon_tx_stats,
131 total_collisions)) +
132 sizeof(struct octeon_rx_stats)},
133 {"tx_tso", (offsetof(struct octeon_tx_stats, fw_tso)) +
134 sizeof(struct octeon_rx_stats)},
135 {"tx_vxlan_pkts", (offsetof(struct octeon_tx_stats, fw_tx_vxlan)) +
136 sizeof(struct octeon_rx_stats)},
137 };
138
139 #define LIO_NB_XSTATS RTE_DIM(rte_lio_stats_strings)
140
141 /* Get hw stats of the port */
142 static int
143 lio_dev_xstats_get(struct rte_eth_dev *eth_dev, struct rte_eth_xstat *xstats,
144 unsigned int n)
145 {
146 struct lio_device *lio_dev = LIO_DEV(eth_dev);
147 uint16_t timeout = LIO_MAX_CMD_TIMEOUT;
148 struct octeon_link_stats *hw_stats;
149 struct lio_link_stats_resp *resp;
150 struct lio_soft_command *sc;
151 uint32_t resp_size;
152 unsigned int i;
153 int retval;
154
155 if (!lio_dev->intf_open) {
156 lio_dev_err(lio_dev, "Port %d down\n",
157 lio_dev->port_id);
158 return -EINVAL;
159 }
160
161 if (n < LIO_NB_XSTATS)
162 return LIO_NB_XSTATS;
163
164 resp_size = sizeof(struct lio_link_stats_resp);
165 sc = lio_alloc_soft_command(lio_dev, 0, resp_size, 0);
166 if (sc == NULL)
167 return -ENOMEM;
168
169 resp = (struct lio_link_stats_resp *)sc->virtrptr;
170 lio_prepare_soft_command(lio_dev, sc, LIO_OPCODE,
171 LIO_OPCODE_PORT_STATS, 0, 0, 0);
172
173 /* Setting wait time in seconds */
174 sc->wait_time = LIO_MAX_CMD_TIMEOUT / 1000;
175
176 retval = lio_send_soft_command(lio_dev, sc);
177 if (retval == LIO_IQ_SEND_FAILED) {
178 lio_dev_err(lio_dev, "failed to get port stats from firmware. status: %x\n",
179 retval);
180 goto get_stats_fail;
181 }
182
183 while ((*sc->status_word == LIO_COMPLETION_WORD_INIT) && --timeout) {
184 lio_flush_iq(lio_dev, lio_dev->instr_queue[sc->iq_no]);
185 lio_process_ordered_list(lio_dev);
186 rte_delay_ms(1);
187 }
188
189 retval = resp->status;
190 if (retval) {
191 lio_dev_err(lio_dev, "failed to get port stats from firmware\n");
192 goto get_stats_fail;
193 }
194
195 lio_swap_8B_data((uint64_t *)(&resp->link_stats),
196 sizeof(struct octeon_link_stats) >> 3);
197
198 hw_stats = &resp->link_stats;
199
200 for (i = 0; i < LIO_NB_XSTATS; i++) {
201 xstats[i].id = i;
202 xstats[i].value =
203 *(uint64_t *)(((char *)hw_stats) +
204 rte_lio_stats_strings[i].offset);
205 }
206
207 lio_free_soft_command(sc);
208
209 return LIO_NB_XSTATS;
210
211 get_stats_fail:
212 lio_free_soft_command(sc);
213
214 return -1;
215 }
216
217 static int
218 lio_dev_xstats_get_names(struct rte_eth_dev *eth_dev,
219 struct rte_eth_xstat_name *xstats_names,
220 unsigned limit __rte_unused)
221 {
222 struct lio_device *lio_dev = LIO_DEV(eth_dev);
223 unsigned int i;
224
225 if (!lio_dev->intf_open) {
226 lio_dev_err(lio_dev, "Port %d down\n",
227 lio_dev->port_id);
228 return -EINVAL;
229 }
230
231 if (xstats_names == NULL)
232 return LIO_NB_XSTATS;
233
234 /* Note: limit checked in rte_eth_xstats_names() */
235
236 for (i = 0; i < LIO_NB_XSTATS; i++) {
237 snprintf(xstats_names[i].name, sizeof(xstats_names[i].name),
238 "%s", rte_lio_stats_strings[i].name);
239 }
240
241 return LIO_NB_XSTATS;
242 }
243
244 /* Reset hw stats for the port */
245 static void
246 lio_dev_xstats_reset(struct rte_eth_dev *eth_dev)
247 {
248 struct lio_device *lio_dev = LIO_DEV(eth_dev);
249 struct lio_dev_ctrl_cmd ctrl_cmd;
250 struct lio_ctrl_pkt ctrl_pkt;
251
252 if (!lio_dev->intf_open) {
253 lio_dev_err(lio_dev, "Port %d down\n",
254 lio_dev->port_id);
255 return;
256 }
257
258 /* flush added to prevent cmd failure
259 * incase the queue is full
260 */
261 lio_flush_iq(lio_dev, lio_dev->instr_queue[0]);
262
263 memset(&ctrl_pkt, 0, sizeof(struct lio_ctrl_pkt));
264 memset(&ctrl_cmd, 0, sizeof(struct lio_dev_ctrl_cmd));
265
266 ctrl_cmd.eth_dev = eth_dev;
267 ctrl_cmd.cond = 0;
268
269 ctrl_pkt.ncmd.s.cmd = LIO_CMD_CLEAR_STATS;
270 ctrl_pkt.ctrl_cmd = &ctrl_cmd;
271
272 if (lio_send_ctrl_pkt(lio_dev, &ctrl_pkt)) {
273 lio_dev_err(lio_dev, "Failed to send clear stats command\n");
274 return;
275 }
276
277 if (lio_wait_for_ctrl_cmd(lio_dev, &ctrl_cmd)) {
278 lio_dev_err(lio_dev, "Clear stats command timed out\n");
279 return;
280 }
281
282 /* clear stored per queue stats */
283 RTE_FUNC_PTR_OR_RET(*eth_dev->dev_ops->stats_reset);
284 (*eth_dev->dev_ops->stats_reset)(eth_dev);
285 }
286
287 /* Retrieve the device statistics (# packets in/out, # bytes in/out, etc */
288 static int
289 lio_dev_stats_get(struct rte_eth_dev *eth_dev,
290 struct rte_eth_stats *stats)
291 {
292 struct lio_device *lio_dev = LIO_DEV(eth_dev);
293 struct lio_droq_stats *oq_stats;
294 struct lio_iq_stats *iq_stats;
295 struct lio_instr_queue *txq;
296 struct lio_droq *droq;
297 int i, iq_no, oq_no;
298 uint64_t bytes = 0;
299 uint64_t pkts = 0;
300 uint64_t drop = 0;
301
302 for (i = 0; i < eth_dev->data->nb_tx_queues; i++) {
303 iq_no = lio_dev->linfo.txpciq[i].s.q_no;
304 txq = lio_dev->instr_queue[iq_no];
305 if (txq != NULL) {
306 iq_stats = &txq->stats;
307 pkts += iq_stats->tx_done;
308 drop += iq_stats->tx_dropped;
309 bytes += iq_stats->tx_tot_bytes;
310 }
311 }
312
313 stats->opackets = pkts;
314 stats->obytes = bytes;
315 stats->oerrors = drop;
316
317 pkts = 0;
318 drop = 0;
319 bytes = 0;
320
321 for (i = 0; i < eth_dev->data->nb_rx_queues; i++) {
322 oq_no = lio_dev->linfo.rxpciq[i].s.q_no;
323 droq = lio_dev->droq[oq_no];
324 if (droq != NULL) {
325 oq_stats = &droq->stats;
326 pkts += oq_stats->rx_pkts_received;
327 drop += (oq_stats->rx_dropped +
328 oq_stats->dropped_toomany +
329 oq_stats->dropped_nomem);
330 bytes += oq_stats->rx_bytes_received;
331 }
332 }
333 stats->ibytes = bytes;
334 stats->ipackets = pkts;
335 stats->ierrors = drop;
336
337 return 0;
338 }
339
340 static void
341 lio_dev_stats_reset(struct rte_eth_dev *eth_dev)
342 {
343 struct lio_device *lio_dev = LIO_DEV(eth_dev);
344 struct lio_droq_stats *oq_stats;
345 struct lio_iq_stats *iq_stats;
346 struct lio_instr_queue *txq;
347 struct lio_droq *droq;
348 int i, iq_no, oq_no;
349
350 for (i = 0; i < eth_dev->data->nb_tx_queues; i++) {
351 iq_no = lio_dev->linfo.txpciq[i].s.q_no;
352 txq = lio_dev->instr_queue[iq_no];
353 if (txq != NULL) {
354 iq_stats = &txq->stats;
355 memset(iq_stats, 0, sizeof(struct lio_iq_stats));
356 }
357 }
358
359 for (i = 0; i < eth_dev->data->nb_rx_queues; i++) {
360 oq_no = lio_dev->linfo.rxpciq[i].s.q_no;
361 droq = lio_dev->droq[oq_no];
362 if (droq != NULL) {
363 oq_stats = &droq->stats;
364 memset(oq_stats, 0, sizeof(struct lio_droq_stats));
365 }
366 }
367 }
368
369 static void
370 lio_dev_info_get(struct rte_eth_dev *eth_dev,
371 struct rte_eth_dev_info *devinfo)
372 {
373 struct lio_device *lio_dev = LIO_DEV(eth_dev);
374 struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
375
376 switch (pci_dev->id.subsystem_device_id) {
377 /* CN23xx 10G cards */
378 case PCI_SUBSYS_DEV_ID_CN2350_210:
379 case PCI_SUBSYS_DEV_ID_CN2360_210:
380 case PCI_SUBSYS_DEV_ID_CN2350_210SVPN3:
381 case PCI_SUBSYS_DEV_ID_CN2360_210SVPN3:
382 case PCI_SUBSYS_DEV_ID_CN2350_210SVPT:
383 case PCI_SUBSYS_DEV_ID_CN2360_210SVPT:
384 devinfo->speed_capa = ETH_LINK_SPEED_10G;
385 break;
386 /* CN23xx 25G cards */
387 case PCI_SUBSYS_DEV_ID_CN2350_225:
388 case PCI_SUBSYS_DEV_ID_CN2360_225:
389 devinfo->speed_capa = ETH_LINK_SPEED_25G;
390 break;
391 default:
392 devinfo->speed_capa = ETH_LINK_SPEED_10G;
393 lio_dev_err(lio_dev,
394 "Unknown CN23XX subsystem device id. Setting 10G as default link speed.\n");
395 }
396
397 devinfo->max_rx_queues = lio_dev->max_rx_queues;
398 devinfo->max_tx_queues = lio_dev->max_tx_queues;
399
400 devinfo->min_rx_bufsize = LIO_MIN_RX_BUF_SIZE;
401 devinfo->max_rx_pktlen = LIO_MAX_RX_PKTLEN;
402
403 devinfo->max_mac_addrs = 1;
404
405 devinfo->rx_offload_capa = (DEV_RX_OFFLOAD_IPV4_CKSUM |
406 DEV_RX_OFFLOAD_UDP_CKSUM |
407 DEV_RX_OFFLOAD_TCP_CKSUM |
408 DEV_RX_OFFLOAD_VLAN_STRIP);
409 devinfo->tx_offload_capa = (DEV_TX_OFFLOAD_IPV4_CKSUM |
410 DEV_TX_OFFLOAD_UDP_CKSUM |
411 DEV_TX_OFFLOAD_TCP_CKSUM |
412 DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM);
413
414 devinfo->rx_desc_lim = lio_rx_desc_lim;
415 devinfo->tx_desc_lim = lio_tx_desc_lim;
416
417 devinfo->reta_size = LIO_RSS_MAX_TABLE_SZ;
418 devinfo->hash_key_size = LIO_RSS_MAX_KEY_SZ;
419 devinfo->flow_type_rss_offloads = (ETH_RSS_IPV4 |
420 ETH_RSS_NONFRAG_IPV4_TCP |
421 ETH_RSS_IPV6 |
422 ETH_RSS_NONFRAG_IPV6_TCP |
423 ETH_RSS_IPV6_EX |
424 ETH_RSS_IPV6_TCP_EX);
425 }
426
427 static int
428 lio_dev_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu)
429 {
430 struct lio_device *lio_dev = LIO_DEV(eth_dev);
431 uint16_t pf_mtu = lio_dev->linfo.link.s.mtu;
432 uint32_t frame_len = mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
433 struct lio_dev_ctrl_cmd ctrl_cmd;
434 struct lio_ctrl_pkt ctrl_pkt;
435
436 PMD_INIT_FUNC_TRACE();
437
438 if (!lio_dev->intf_open) {
439 lio_dev_err(lio_dev, "Port %d down, can't set MTU\n",
440 lio_dev->port_id);
441 return -EINVAL;
442 }
443
444 /* check if VF MTU is within allowed range.
445 * New value should not exceed PF MTU.
446 */
447 if ((mtu < ETHER_MIN_MTU) || (mtu > pf_mtu)) {
448 lio_dev_err(lio_dev, "VF MTU should be >= %d and <= %d\n",
449 ETHER_MIN_MTU, pf_mtu);
450 return -EINVAL;
451 }
452
453 /* flush added to prevent cmd failure
454 * incase the queue is full
455 */
456 lio_flush_iq(lio_dev, lio_dev->instr_queue[0]);
457
458 memset(&ctrl_pkt, 0, sizeof(struct lio_ctrl_pkt));
459 memset(&ctrl_cmd, 0, sizeof(struct lio_dev_ctrl_cmd));
460
461 ctrl_cmd.eth_dev = eth_dev;
462 ctrl_cmd.cond = 0;
463
464 ctrl_pkt.ncmd.s.cmd = LIO_CMD_CHANGE_MTU;
465 ctrl_pkt.ncmd.s.param1 = mtu;
466 ctrl_pkt.ctrl_cmd = &ctrl_cmd;
467
468 if (lio_send_ctrl_pkt(lio_dev, &ctrl_pkt)) {
469 lio_dev_err(lio_dev, "Failed to send command to change MTU\n");
470 return -1;
471 }
472
473 if (lio_wait_for_ctrl_cmd(lio_dev, &ctrl_cmd)) {
474 lio_dev_err(lio_dev, "Command to change MTU timed out\n");
475 return -1;
476 }
477
478 if (frame_len > ETHER_MAX_LEN)
479 eth_dev->data->dev_conf.rxmode.offloads |=
480 DEV_RX_OFFLOAD_JUMBO_FRAME;
481 else
482 eth_dev->data->dev_conf.rxmode.offloads &=
483 ~DEV_RX_OFFLOAD_JUMBO_FRAME;
484
485 eth_dev->data->dev_conf.rxmode.max_rx_pkt_len = frame_len;
486 eth_dev->data->mtu = mtu;
487
488 return 0;
489 }
490
491 static int
492 lio_dev_rss_reta_update(struct rte_eth_dev *eth_dev,
493 struct rte_eth_rss_reta_entry64 *reta_conf,
494 uint16_t reta_size)
495 {
496 struct lio_device *lio_dev = LIO_DEV(eth_dev);
497 struct lio_rss_ctx *rss_state = &lio_dev->rss_state;
498 struct lio_rss_set *rss_param;
499 struct lio_dev_ctrl_cmd ctrl_cmd;
500 struct lio_ctrl_pkt ctrl_pkt;
501 int i, j, index;
502
503 if (!lio_dev->intf_open) {
504 lio_dev_err(lio_dev, "Port %d down, can't update reta\n",
505 lio_dev->port_id);
506 return -EINVAL;
507 }
508
509 if (reta_size != LIO_RSS_MAX_TABLE_SZ) {
510 lio_dev_err(lio_dev,
511 "The size of hash lookup table configured (%d) doesn't match the number hardware can supported (%d)\n",
512 reta_size, LIO_RSS_MAX_TABLE_SZ);
513 return -EINVAL;
514 }
515
516 /* flush added to prevent cmd failure
517 * incase the queue is full
518 */
519 lio_flush_iq(lio_dev, lio_dev->instr_queue[0]);
520
521 memset(&ctrl_pkt, 0, sizeof(struct lio_ctrl_pkt));
522 memset(&ctrl_cmd, 0, sizeof(struct lio_dev_ctrl_cmd));
523
524 rss_param = (struct lio_rss_set *)&ctrl_pkt.udd[0];
525
526 ctrl_cmd.eth_dev = eth_dev;
527 ctrl_cmd.cond = 0;
528
529 ctrl_pkt.ncmd.s.cmd = LIO_CMD_SET_RSS;
530 ctrl_pkt.ncmd.s.more = sizeof(struct lio_rss_set) >> 3;
531 ctrl_pkt.ctrl_cmd = &ctrl_cmd;
532
533 rss_param->param.flags = 0xF;
534 rss_param->param.flags &= ~LIO_RSS_PARAM_ITABLE_UNCHANGED;
535 rss_param->param.itablesize = LIO_RSS_MAX_TABLE_SZ;
536
537 for (i = 0; i < (reta_size / RTE_RETA_GROUP_SIZE); i++) {
538 for (j = 0; j < RTE_RETA_GROUP_SIZE; j++) {
539 if ((reta_conf[i].mask) & ((uint64_t)1 << j)) {
540 index = (i * RTE_RETA_GROUP_SIZE) + j;
541 rss_state->itable[index] = reta_conf[i].reta[j];
542 }
543 }
544 }
545
546 rss_state->itable_size = LIO_RSS_MAX_TABLE_SZ;
547 memcpy(rss_param->itable, rss_state->itable, rss_state->itable_size);
548
549 lio_swap_8B_data((uint64_t *)rss_param, LIO_RSS_PARAM_SIZE >> 3);
550
551 if (lio_send_ctrl_pkt(lio_dev, &ctrl_pkt)) {
552 lio_dev_err(lio_dev, "Failed to set rss hash\n");
553 return -1;
554 }
555
556 if (lio_wait_for_ctrl_cmd(lio_dev, &ctrl_cmd)) {
557 lio_dev_err(lio_dev, "Set rss hash timed out\n");
558 return -1;
559 }
560
561 return 0;
562 }
563
564 static int
565 lio_dev_rss_reta_query(struct rte_eth_dev *eth_dev,
566 struct rte_eth_rss_reta_entry64 *reta_conf,
567 uint16_t reta_size)
568 {
569 struct lio_device *lio_dev = LIO_DEV(eth_dev);
570 struct lio_rss_ctx *rss_state = &lio_dev->rss_state;
571 int i, num;
572
573 if (reta_size != LIO_RSS_MAX_TABLE_SZ) {
574 lio_dev_err(lio_dev,
575 "The size of hash lookup table configured (%d) doesn't match the number hardware can supported (%d)\n",
576 reta_size, LIO_RSS_MAX_TABLE_SZ);
577 return -EINVAL;
578 }
579
580 num = reta_size / RTE_RETA_GROUP_SIZE;
581
582 for (i = 0; i < num; i++) {
583 memcpy(reta_conf->reta,
584 &rss_state->itable[i * RTE_RETA_GROUP_SIZE],
585 RTE_RETA_GROUP_SIZE);
586 reta_conf++;
587 }
588
589 return 0;
590 }
591
592 static int
593 lio_dev_rss_hash_conf_get(struct rte_eth_dev *eth_dev,
594 struct rte_eth_rss_conf *rss_conf)
595 {
596 struct lio_device *lio_dev = LIO_DEV(eth_dev);
597 struct lio_rss_ctx *rss_state = &lio_dev->rss_state;
598 uint8_t *hash_key = NULL;
599 uint64_t rss_hf = 0;
600
601 if (rss_state->hash_disable) {
602 lio_dev_info(lio_dev, "RSS disabled in nic\n");
603 rss_conf->rss_hf = 0;
604 return 0;
605 }
606
607 /* Get key value */
608 hash_key = rss_conf->rss_key;
609 if (hash_key != NULL)
610 memcpy(hash_key, rss_state->hash_key, rss_state->hash_key_size);
611
612 if (rss_state->ip)
613 rss_hf |= ETH_RSS_IPV4;
614 if (rss_state->tcp_hash)
615 rss_hf |= ETH_RSS_NONFRAG_IPV4_TCP;
616 if (rss_state->ipv6)
617 rss_hf |= ETH_RSS_IPV6;
618 if (rss_state->ipv6_tcp_hash)
619 rss_hf |= ETH_RSS_NONFRAG_IPV6_TCP;
620 if (rss_state->ipv6_ex)
621 rss_hf |= ETH_RSS_IPV6_EX;
622 if (rss_state->ipv6_tcp_ex_hash)
623 rss_hf |= ETH_RSS_IPV6_TCP_EX;
624
625 rss_conf->rss_hf = rss_hf;
626
627 return 0;
628 }
629
630 static int
631 lio_dev_rss_hash_update(struct rte_eth_dev *eth_dev,
632 struct rte_eth_rss_conf *rss_conf)
633 {
634 struct lio_device *lio_dev = LIO_DEV(eth_dev);
635 struct lio_rss_ctx *rss_state = &lio_dev->rss_state;
636 struct lio_rss_set *rss_param;
637 struct lio_dev_ctrl_cmd ctrl_cmd;
638 struct lio_ctrl_pkt ctrl_pkt;
639
640 if (!lio_dev->intf_open) {
641 lio_dev_err(lio_dev, "Port %d down, can't update hash\n",
642 lio_dev->port_id);
643 return -EINVAL;
644 }
645
646 /* flush added to prevent cmd failure
647 * incase the queue is full
648 */
649 lio_flush_iq(lio_dev, lio_dev->instr_queue[0]);
650
651 memset(&ctrl_pkt, 0, sizeof(struct lio_ctrl_pkt));
652 memset(&ctrl_cmd, 0, sizeof(struct lio_dev_ctrl_cmd));
653
654 rss_param = (struct lio_rss_set *)&ctrl_pkt.udd[0];
655
656 ctrl_cmd.eth_dev = eth_dev;
657 ctrl_cmd.cond = 0;
658
659 ctrl_pkt.ncmd.s.cmd = LIO_CMD_SET_RSS;
660 ctrl_pkt.ncmd.s.more = sizeof(struct lio_rss_set) >> 3;
661 ctrl_pkt.ctrl_cmd = &ctrl_cmd;
662
663 rss_param->param.flags = 0xF;
664
665 if (rss_conf->rss_key) {
666 rss_param->param.flags &= ~LIO_RSS_PARAM_HASH_KEY_UNCHANGED;
667 rss_state->hash_key_size = LIO_RSS_MAX_KEY_SZ;
668 rss_param->param.hashkeysize = LIO_RSS_MAX_KEY_SZ;
669 memcpy(rss_state->hash_key, rss_conf->rss_key,
670 rss_state->hash_key_size);
671 memcpy(rss_param->key, rss_state->hash_key,
672 rss_state->hash_key_size);
673 }
674
675 if ((rss_conf->rss_hf & LIO_RSS_OFFLOAD_ALL) == 0) {
676 /* Can't disable rss through hash flags,
677 * if it is enabled by default during init
678 */
679 if (!rss_state->hash_disable)
680 return -EINVAL;
681
682 /* This is for --disable-rss during testpmd launch */
683 rss_param->param.flags |= LIO_RSS_PARAM_DISABLE_RSS;
684 } else {
685 uint32_t hashinfo = 0;
686
687 /* Can't enable rss if disabled by default during init */
688 if (rss_state->hash_disable)
689 return -EINVAL;
690
691 if (rss_conf->rss_hf & ETH_RSS_IPV4) {
692 hashinfo |= LIO_RSS_HASH_IPV4;
693 rss_state->ip = 1;
694 } else {
695 rss_state->ip = 0;
696 }
697
698 if (rss_conf->rss_hf & ETH_RSS_NONFRAG_IPV4_TCP) {
699 hashinfo |= LIO_RSS_HASH_TCP_IPV4;
700 rss_state->tcp_hash = 1;
701 } else {
702 rss_state->tcp_hash = 0;
703 }
704
705 if (rss_conf->rss_hf & ETH_RSS_IPV6) {
706 hashinfo |= LIO_RSS_HASH_IPV6;
707 rss_state->ipv6 = 1;
708 } else {
709 rss_state->ipv6 = 0;
710 }
711
712 if (rss_conf->rss_hf & ETH_RSS_NONFRAG_IPV6_TCP) {
713 hashinfo |= LIO_RSS_HASH_TCP_IPV6;
714 rss_state->ipv6_tcp_hash = 1;
715 } else {
716 rss_state->ipv6_tcp_hash = 0;
717 }
718
719 if (rss_conf->rss_hf & ETH_RSS_IPV6_EX) {
720 hashinfo |= LIO_RSS_HASH_IPV6_EX;
721 rss_state->ipv6_ex = 1;
722 } else {
723 rss_state->ipv6_ex = 0;
724 }
725
726 if (rss_conf->rss_hf & ETH_RSS_IPV6_TCP_EX) {
727 hashinfo |= LIO_RSS_HASH_TCP_IPV6_EX;
728 rss_state->ipv6_tcp_ex_hash = 1;
729 } else {
730 rss_state->ipv6_tcp_ex_hash = 0;
731 }
732
733 rss_param->param.flags &= ~LIO_RSS_PARAM_HASH_INFO_UNCHANGED;
734 rss_param->param.hashinfo = hashinfo;
735 }
736
737 lio_swap_8B_data((uint64_t *)rss_param, LIO_RSS_PARAM_SIZE >> 3);
738
739 if (lio_send_ctrl_pkt(lio_dev, &ctrl_pkt)) {
740 lio_dev_err(lio_dev, "Failed to set rss hash\n");
741 return -1;
742 }
743
744 if (lio_wait_for_ctrl_cmd(lio_dev, &ctrl_cmd)) {
745 lio_dev_err(lio_dev, "Set rss hash timed out\n");
746 return -1;
747 }
748
749 return 0;
750 }
751
752 /**
753 * Add vxlan dest udp port for an interface.
754 *
755 * @param eth_dev
756 * Pointer to the structure rte_eth_dev
757 * @param udp_tnl
758 * udp tunnel conf
759 *
760 * @return
761 * On success return 0
762 * On failure return -1
763 */
764 static int
765 lio_dev_udp_tunnel_add(struct rte_eth_dev *eth_dev,
766 struct rte_eth_udp_tunnel *udp_tnl)
767 {
768 struct lio_device *lio_dev = LIO_DEV(eth_dev);
769 struct lio_dev_ctrl_cmd ctrl_cmd;
770 struct lio_ctrl_pkt ctrl_pkt;
771
772 if (udp_tnl == NULL)
773 return -EINVAL;
774
775 if (udp_tnl->prot_type != RTE_TUNNEL_TYPE_VXLAN) {
776 lio_dev_err(lio_dev, "Unsupported tunnel type\n");
777 return -1;
778 }
779
780 /* flush added to prevent cmd failure
781 * incase the queue is full
782 */
783 lio_flush_iq(lio_dev, lio_dev->instr_queue[0]);
784
785 memset(&ctrl_pkt, 0, sizeof(struct lio_ctrl_pkt));
786 memset(&ctrl_cmd, 0, sizeof(struct lio_dev_ctrl_cmd));
787
788 ctrl_cmd.eth_dev = eth_dev;
789 ctrl_cmd.cond = 0;
790
791 ctrl_pkt.ncmd.s.cmd = LIO_CMD_VXLAN_PORT_CONFIG;
792 ctrl_pkt.ncmd.s.param1 = udp_tnl->udp_port;
793 ctrl_pkt.ncmd.s.more = LIO_CMD_VXLAN_PORT_ADD;
794 ctrl_pkt.ctrl_cmd = &ctrl_cmd;
795
796 if (lio_send_ctrl_pkt(lio_dev, &ctrl_pkt)) {
797 lio_dev_err(lio_dev, "Failed to send VXLAN_PORT_ADD command\n");
798 return -1;
799 }
800
801 if (lio_wait_for_ctrl_cmd(lio_dev, &ctrl_cmd)) {
802 lio_dev_err(lio_dev, "VXLAN_PORT_ADD command timed out\n");
803 return -1;
804 }
805
806 return 0;
807 }
808
809 /**
810 * Remove vxlan dest udp port for an interface.
811 *
812 * @param eth_dev
813 * Pointer to the structure rte_eth_dev
814 * @param udp_tnl
815 * udp tunnel conf
816 *
817 * @return
818 * On success return 0
819 * On failure return -1
820 */
821 static int
822 lio_dev_udp_tunnel_del(struct rte_eth_dev *eth_dev,
823 struct rte_eth_udp_tunnel *udp_tnl)
824 {
825 struct lio_device *lio_dev = LIO_DEV(eth_dev);
826 struct lio_dev_ctrl_cmd ctrl_cmd;
827 struct lio_ctrl_pkt ctrl_pkt;
828
829 if (udp_tnl == NULL)
830 return -EINVAL;
831
832 if (udp_tnl->prot_type != RTE_TUNNEL_TYPE_VXLAN) {
833 lio_dev_err(lio_dev, "Unsupported tunnel type\n");
834 return -1;
835 }
836
837 /* flush added to prevent cmd failure
838 * incase the queue is full
839 */
840 lio_flush_iq(lio_dev, lio_dev->instr_queue[0]);
841
842 memset(&ctrl_pkt, 0, sizeof(struct lio_ctrl_pkt));
843 memset(&ctrl_cmd, 0, sizeof(struct lio_dev_ctrl_cmd));
844
845 ctrl_cmd.eth_dev = eth_dev;
846 ctrl_cmd.cond = 0;
847
848 ctrl_pkt.ncmd.s.cmd = LIO_CMD_VXLAN_PORT_CONFIG;
849 ctrl_pkt.ncmd.s.param1 = udp_tnl->udp_port;
850 ctrl_pkt.ncmd.s.more = LIO_CMD_VXLAN_PORT_DEL;
851 ctrl_pkt.ctrl_cmd = &ctrl_cmd;
852
853 if (lio_send_ctrl_pkt(lio_dev, &ctrl_pkt)) {
854 lio_dev_err(lio_dev, "Failed to send VXLAN_PORT_DEL command\n");
855 return -1;
856 }
857
858 if (lio_wait_for_ctrl_cmd(lio_dev, &ctrl_cmd)) {
859 lio_dev_err(lio_dev, "VXLAN_PORT_DEL command timed out\n");
860 return -1;
861 }
862
863 return 0;
864 }
865
866 static int
867 lio_dev_vlan_filter_set(struct rte_eth_dev *eth_dev, uint16_t vlan_id, int on)
868 {
869 struct lio_device *lio_dev = LIO_DEV(eth_dev);
870 struct lio_dev_ctrl_cmd ctrl_cmd;
871 struct lio_ctrl_pkt ctrl_pkt;
872
873 if (lio_dev->linfo.vlan_is_admin_assigned)
874 return -EPERM;
875
876 /* flush added to prevent cmd failure
877 * incase the queue is full
878 */
879 lio_flush_iq(lio_dev, lio_dev->instr_queue[0]);
880
881 memset(&ctrl_pkt, 0, sizeof(struct lio_ctrl_pkt));
882 memset(&ctrl_cmd, 0, sizeof(struct lio_dev_ctrl_cmd));
883
884 ctrl_cmd.eth_dev = eth_dev;
885 ctrl_cmd.cond = 0;
886
887 ctrl_pkt.ncmd.s.cmd = on ?
888 LIO_CMD_ADD_VLAN_FILTER : LIO_CMD_DEL_VLAN_FILTER;
889 ctrl_pkt.ncmd.s.param1 = vlan_id;
890 ctrl_pkt.ctrl_cmd = &ctrl_cmd;
891
892 if (lio_send_ctrl_pkt(lio_dev, &ctrl_pkt)) {
893 lio_dev_err(lio_dev, "Failed to %s VLAN port\n",
894 on ? "add" : "remove");
895 return -1;
896 }
897
898 if (lio_wait_for_ctrl_cmd(lio_dev, &ctrl_cmd)) {
899 lio_dev_err(lio_dev, "Command to %s VLAN port timed out\n",
900 on ? "add" : "remove");
901 return -1;
902 }
903
904 return 0;
905 }
906
907 static uint64_t
908 lio_hweight64(uint64_t w)
909 {
910 uint64_t res = w - ((w >> 1) & 0x5555555555555555ul);
911
912 res =
913 (res & 0x3333333333333333ul) + ((res >> 2) & 0x3333333333333333ul);
914 res = (res + (res >> 4)) & 0x0F0F0F0F0F0F0F0Ful;
915 res = res + (res >> 8);
916 res = res + (res >> 16);
917
918 return (res + (res >> 32)) & 0x00000000000000FFul;
919 }
920
921 static int
922 lio_dev_link_update(struct rte_eth_dev *eth_dev,
923 int wait_to_complete __rte_unused)
924 {
925 struct lio_device *lio_dev = LIO_DEV(eth_dev);
926 struct rte_eth_link link;
927
928 /* Initialize */
929 memset(&link, 0, sizeof(link));
930 link.link_status = ETH_LINK_DOWN;
931 link.link_speed = ETH_SPEED_NUM_NONE;
932 link.link_duplex = ETH_LINK_HALF_DUPLEX;
933 link.link_autoneg = ETH_LINK_AUTONEG;
934
935 /* Return what we found */
936 if (lio_dev->linfo.link.s.link_up == 0) {
937 /* Interface is down */
938 return rte_eth_linkstatus_set(eth_dev, &link);
939 }
940
941 link.link_status = ETH_LINK_UP; /* Interface is up */
942 link.link_duplex = ETH_LINK_FULL_DUPLEX;
943 switch (lio_dev->linfo.link.s.speed) {
944 case LIO_LINK_SPEED_10000:
945 link.link_speed = ETH_SPEED_NUM_10G;
946 break;
947 case LIO_LINK_SPEED_25000:
948 link.link_speed = ETH_SPEED_NUM_25G;
949 break;
950 default:
951 link.link_speed = ETH_SPEED_NUM_NONE;
952 link.link_duplex = ETH_LINK_HALF_DUPLEX;
953 }
954
955 return rte_eth_linkstatus_set(eth_dev, &link);
956 }
957
958 /**
959 * \brief Net device enable, disable allmulticast
960 * @param eth_dev Pointer to the structure rte_eth_dev
961 */
962 static void
963 lio_change_dev_flag(struct rte_eth_dev *eth_dev)
964 {
965 struct lio_device *lio_dev = LIO_DEV(eth_dev);
966 struct lio_dev_ctrl_cmd ctrl_cmd;
967 struct lio_ctrl_pkt ctrl_pkt;
968
969 /* flush added to prevent cmd failure
970 * incase the queue is full
971 */
972 lio_flush_iq(lio_dev, lio_dev->instr_queue[0]);
973
974 memset(&ctrl_pkt, 0, sizeof(struct lio_ctrl_pkt));
975 memset(&ctrl_cmd, 0, sizeof(struct lio_dev_ctrl_cmd));
976
977 ctrl_cmd.eth_dev = eth_dev;
978 ctrl_cmd.cond = 0;
979
980 /* Create a ctrl pkt command to be sent to core app. */
981 ctrl_pkt.ncmd.s.cmd = LIO_CMD_CHANGE_DEVFLAGS;
982 ctrl_pkt.ncmd.s.param1 = lio_dev->ifflags;
983 ctrl_pkt.ctrl_cmd = &ctrl_cmd;
984
985 if (lio_send_ctrl_pkt(lio_dev, &ctrl_pkt)) {
986 lio_dev_err(lio_dev, "Failed to send change flag message\n");
987 return;
988 }
989
990 if (lio_wait_for_ctrl_cmd(lio_dev, &ctrl_cmd))
991 lio_dev_err(lio_dev, "Change dev flag command timed out\n");
992 }
993
994 static void
995 lio_dev_promiscuous_enable(struct rte_eth_dev *eth_dev)
996 {
997 struct lio_device *lio_dev = LIO_DEV(eth_dev);
998
999 if (strcmp(lio_dev->firmware_version, LIO_VF_TRUST_MIN_VERSION) < 0) {
1000 lio_dev_err(lio_dev, "Require firmware version >= %s\n",
1001 LIO_VF_TRUST_MIN_VERSION);
1002 return;
1003 }
1004
1005 if (!lio_dev->intf_open) {
1006 lio_dev_err(lio_dev, "Port %d down, can't enable promiscuous\n",
1007 lio_dev->port_id);
1008 return;
1009 }
1010
1011 lio_dev->ifflags |= LIO_IFFLAG_PROMISC;
1012 lio_change_dev_flag(eth_dev);
1013 }
1014
1015 static void
1016 lio_dev_promiscuous_disable(struct rte_eth_dev *eth_dev)
1017 {
1018 struct lio_device *lio_dev = LIO_DEV(eth_dev);
1019
1020 if (strcmp(lio_dev->firmware_version, LIO_VF_TRUST_MIN_VERSION) < 0) {
1021 lio_dev_err(lio_dev, "Require firmware version >= %s\n",
1022 LIO_VF_TRUST_MIN_VERSION);
1023 return;
1024 }
1025
1026 if (!lio_dev->intf_open) {
1027 lio_dev_err(lio_dev, "Port %d down, can't disable promiscuous\n",
1028 lio_dev->port_id);
1029 return;
1030 }
1031
1032 lio_dev->ifflags &= ~LIO_IFFLAG_PROMISC;
1033 lio_change_dev_flag(eth_dev);
1034 }
1035
1036 static void
1037 lio_dev_allmulticast_enable(struct rte_eth_dev *eth_dev)
1038 {
1039 struct lio_device *lio_dev = LIO_DEV(eth_dev);
1040
1041 if (!lio_dev->intf_open) {
1042 lio_dev_err(lio_dev, "Port %d down, can't enable multicast\n",
1043 lio_dev->port_id);
1044 return;
1045 }
1046
1047 lio_dev->ifflags |= LIO_IFFLAG_ALLMULTI;
1048 lio_change_dev_flag(eth_dev);
1049 }
1050
1051 static void
1052 lio_dev_allmulticast_disable(struct rte_eth_dev *eth_dev)
1053 {
1054 struct lio_device *lio_dev = LIO_DEV(eth_dev);
1055
1056 if (!lio_dev->intf_open) {
1057 lio_dev_err(lio_dev, "Port %d down, can't disable multicast\n",
1058 lio_dev->port_id);
1059 return;
1060 }
1061
1062 lio_dev->ifflags &= ~LIO_IFFLAG_ALLMULTI;
1063 lio_change_dev_flag(eth_dev);
1064 }
1065
1066 static void
1067 lio_dev_rss_configure(struct rte_eth_dev *eth_dev)
1068 {
1069 struct lio_device *lio_dev = LIO_DEV(eth_dev);
1070 struct lio_rss_ctx *rss_state = &lio_dev->rss_state;
1071 struct rte_eth_rss_reta_entry64 reta_conf[8];
1072 struct rte_eth_rss_conf rss_conf;
1073 uint16_t i;
1074
1075 /* Configure the RSS key and the RSS protocols used to compute
1076 * the RSS hash of input packets.
1077 */
1078 rss_conf = eth_dev->data->dev_conf.rx_adv_conf.rss_conf;
1079 if ((rss_conf.rss_hf & LIO_RSS_OFFLOAD_ALL) == 0) {
1080 rss_state->hash_disable = 1;
1081 lio_dev_rss_hash_update(eth_dev, &rss_conf);
1082 return;
1083 }
1084
1085 if (rss_conf.rss_key == NULL)
1086 rss_conf.rss_key = lio_rss_key; /* Default hash key */
1087
1088 lio_dev_rss_hash_update(eth_dev, &rss_conf);
1089
1090 memset(reta_conf, 0, sizeof(reta_conf));
1091 for (i = 0; i < LIO_RSS_MAX_TABLE_SZ; i++) {
1092 uint8_t q_idx, conf_idx, reta_idx;
1093
1094 q_idx = (uint8_t)((eth_dev->data->nb_rx_queues > 1) ?
1095 i % eth_dev->data->nb_rx_queues : 0);
1096 conf_idx = i / RTE_RETA_GROUP_SIZE;
1097 reta_idx = i % RTE_RETA_GROUP_SIZE;
1098 reta_conf[conf_idx].reta[reta_idx] = q_idx;
1099 reta_conf[conf_idx].mask |= ((uint64_t)1 << reta_idx);
1100 }
1101
1102 lio_dev_rss_reta_update(eth_dev, reta_conf, LIO_RSS_MAX_TABLE_SZ);
1103 }
1104
1105 static void
1106 lio_dev_mq_rx_configure(struct rte_eth_dev *eth_dev)
1107 {
1108 struct lio_device *lio_dev = LIO_DEV(eth_dev);
1109 struct lio_rss_ctx *rss_state = &lio_dev->rss_state;
1110 struct rte_eth_rss_conf rss_conf;
1111
1112 switch (eth_dev->data->dev_conf.rxmode.mq_mode) {
1113 case ETH_MQ_RX_RSS:
1114 lio_dev_rss_configure(eth_dev);
1115 break;
1116 case ETH_MQ_RX_NONE:
1117 /* if mq_mode is none, disable rss mode. */
1118 default:
1119 memset(&rss_conf, 0, sizeof(rss_conf));
1120 rss_state->hash_disable = 1;
1121 lio_dev_rss_hash_update(eth_dev, &rss_conf);
1122 }
1123 }
1124
1125 /**
1126 * Setup our receive queue/ringbuffer. This is the
1127 * queue the Octeon uses to send us packets and
1128 * responses. We are given a memory pool for our
1129 * packet buffers that are used to populate the receive
1130 * queue.
1131 *
1132 * @param eth_dev
1133 * Pointer to the structure rte_eth_dev
1134 * @param q_no
1135 * Queue number
1136 * @param num_rx_descs
1137 * Number of entries in the queue
1138 * @param socket_id
1139 * Where to allocate memory
1140 * @param rx_conf
1141 * Pointer to the struction rte_eth_rxconf
1142 * @param mp
1143 * Pointer to the packet pool
1144 *
1145 * @return
1146 * - On success, return 0
1147 * - On failure, return -1
1148 */
1149 static int
1150 lio_dev_rx_queue_setup(struct rte_eth_dev *eth_dev, uint16_t q_no,
1151 uint16_t num_rx_descs, unsigned int socket_id,
1152 const struct rte_eth_rxconf *rx_conf __rte_unused,
1153 struct rte_mempool *mp)
1154 {
1155 struct lio_device *lio_dev = LIO_DEV(eth_dev);
1156 struct rte_pktmbuf_pool_private *mbp_priv;
1157 uint32_t fw_mapped_oq;
1158 uint16_t buf_size;
1159
1160 if (q_no >= lio_dev->nb_rx_queues) {
1161 lio_dev_err(lio_dev, "Invalid rx queue number %u\n", q_no);
1162 return -EINVAL;
1163 }
1164
1165 lio_dev_dbg(lio_dev, "setting up rx queue %u\n", q_no);
1166
1167 fw_mapped_oq = lio_dev->linfo.rxpciq[q_no].s.q_no;
1168
1169 /* Free previous allocation if any */
1170 if (eth_dev->data->rx_queues[q_no] != NULL) {
1171 lio_dev_rx_queue_release(eth_dev->data->rx_queues[q_no]);
1172 eth_dev->data->rx_queues[q_no] = NULL;
1173 }
1174
1175 mbp_priv = rte_mempool_get_priv(mp);
1176 buf_size = mbp_priv->mbuf_data_room_size - RTE_PKTMBUF_HEADROOM;
1177
1178 if (lio_setup_droq(lio_dev, fw_mapped_oq, num_rx_descs, buf_size, mp,
1179 socket_id)) {
1180 lio_dev_err(lio_dev, "droq allocation failed\n");
1181 return -1;
1182 }
1183
1184 eth_dev->data->rx_queues[q_no] = lio_dev->droq[fw_mapped_oq];
1185
1186 return 0;
1187 }
1188
1189 /**
1190 * Release the receive queue/ringbuffer. Called by
1191 * the upper layers.
1192 *
1193 * @param rxq
1194 * Opaque pointer to the receive queue to release
1195 *
1196 * @return
1197 * - nothing
1198 */
1199 void
1200 lio_dev_rx_queue_release(void *rxq)
1201 {
1202 struct lio_droq *droq = rxq;
1203 int oq_no;
1204
1205 if (droq) {
1206 oq_no = droq->q_no;
1207 lio_delete_droq_queue(droq->lio_dev, oq_no);
1208 }
1209 }
1210
1211 /**
1212 * Allocate and initialize SW ring. Initialize associated HW registers.
1213 *
1214 * @param eth_dev
1215 * Pointer to structure rte_eth_dev
1216 *
1217 * @param q_no
1218 * Queue number
1219 *
1220 * @param num_tx_descs
1221 * Number of ringbuffer descriptors
1222 *
1223 * @param socket_id
1224 * NUMA socket id, used for memory allocations
1225 *
1226 * @param tx_conf
1227 * Pointer to the structure rte_eth_txconf
1228 *
1229 * @return
1230 * - On success, return 0
1231 * - On failure, return -errno value
1232 */
1233 static int
1234 lio_dev_tx_queue_setup(struct rte_eth_dev *eth_dev, uint16_t q_no,
1235 uint16_t num_tx_descs, unsigned int socket_id,
1236 const struct rte_eth_txconf *tx_conf __rte_unused)
1237 {
1238 struct lio_device *lio_dev = LIO_DEV(eth_dev);
1239 int fw_mapped_iq = lio_dev->linfo.txpciq[q_no].s.q_no;
1240 int retval;
1241
1242 if (q_no >= lio_dev->nb_tx_queues) {
1243 lio_dev_err(lio_dev, "Invalid tx queue number %u\n", q_no);
1244 return -EINVAL;
1245 }
1246
1247 lio_dev_dbg(lio_dev, "setting up tx queue %u\n", q_no);
1248
1249 /* Free previous allocation if any */
1250 if (eth_dev->data->tx_queues[q_no] != NULL) {
1251 lio_dev_tx_queue_release(eth_dev->data->tx_queues[q_no]);
1252 eth_dev->data->tx_queues[q_no] = NULL;
1253 }
1254
1255 retval = lio_setup_iq(lio_dev, q_no, lio_dev->linfo.txpciq[q_no],
1256 num_tx_descs, lio_dev, socket_id);
1257
1258 if (retval) {
1259 lio_dev_err(lio_dev, "Runtime IQ(TxQ) creation failed.\n");
1260 return retval;
1261 }
1262
1263 retval = lio_setup_sglists(lio_dev, q_no, fw_mapped_iq,
1264 lio_dev->instr_queue[fw_mapped_iq]->nb_desc,
1265 socket_id);
1266
1267 if (retval) {
1268 lio_delete_instruction_queue(lio_dev, fw_mapped_iq);
1269 return retval;
1270 }
1271
1272 eth_dev->data->tx_queues[q_no] = lio_dev->instr_queue[fw_mapped_iq];
1273
1274 return 0;
1275 }
1276
1277 /**
1278 * Release the transmit queue/ringbuffer. Called by
1279 * the upper layers.
1280 *
1281 * @param txq
1282 * Opaque pointer to the transmit queue to release
1283 *
1284 * @return
1285 * - nothing
1286 */
1287 void
1288 lio_dev_tx_queue_release(void *txq)
1289 {
1290 struct lio_instr_queue *tq = txq;
1291 uint32_t fw_mapped_iq_no;
1292
1293
1294 if (tq) {
1295 /* Free sg_list */
1296 lio_delete_sglist(tq);
1297
1298 fw_mapped_iq_no = tq->txpciq.s.q_no;
1299 lio_delete_instruction_queue(tq->lio_dev, fw_mapped_iq_no);
1300 }
1301 }
1302
1303 /**
1304 * Api to check link state.
1305 */
1306 static void
1307 lio_dev_get_link_status(struct rte_eth_dev *eth_dev)
1308 {
1309 struct lio_device *lio_dev = LIO_DEV(eth_dev);
1310 uint16_t timeout = LIO_MAX_CMD_TIMEOUT;
1311 struct lio_link_status_resp *resp;
1312 union octeon_link_status *ls;
1313 struct lio_soft_command *sc;
1314 uint32_t resp_size;
1315
1316 if (!lio_dev->intf_open)
1317 return;
1318
1319 resp_size = sizeof(struct lio_link_status_resp);
1320 sc = lio_alloc_soft_command(lio_dev, 0, resp_size, 0);
1321 if (sc == NULL)
1322 return;
1323
1324 resp = (struct lio_link_status_resp *)sc->virtrptr;
1325 lio_prepare_soft_command(lio_dev, sc, LIO_OPCODE,
1326 LIO_OPCODE_INFO, 0, 0, 0);
1327
1328 /* Setting wait time in seconds */
1329 sc->wait_time = LIO_MAX_CMD_TIMEOUT / 1000;
1330
1331 if (lio_send_soft_command(lio_dev, sc) == LIO_IQ_SEND_FAILED)
1332 goto get_status_fail;
1333
1334 while ((*sc->status_word == LIO_COMPLETION_WORD_INIT) && --timeout) {
1335 lio_flush_iq(lio_dev, lio_dev->instr_queue[sc->iq_no]);
1336 rte_delay_ms(1);
1337 }
1338
1339 if (resp->status)
1340 goto get_status_fail;
1341
1342 ls = &resp->link_info.link;
1343
1344 lio_swap_8B_data((uint64_t *)ls, sizeof(union octeon_link_status) >> 3);
1345
1346 if (lio_dev->linfo.link.link_status64 != ls->link_status64) {
1347 if (ls->s.mtu < eth_dev->data->mtu) {
1348 lio_dev_info(lio_dev, "Lowered VF MTU to %d as PF MTU dropped\n",
1349 ls->s.mtu);
1350 eth_dev->data->mtu = ls->s.mtu;
1351 }
1352 lio_dev->linfo.link.link_status64 = ls->link_status64;
1353 lio_dev_link_update(eth_dev, 0);
1354 }
1355
1356 lio_free_soft_command(sc);
1357
1358 return;
1359
1360 get_status_fail:
1361 lio_free_soft_command(sc);
1362 }
1363
1364 /* This function will be invoked every LSC_TIMEOUT ns (100ms)
1365 * and will update link state if it changes.
1366 */
1367 static void
1368 lio_sync_link_state_check(void *eth_dev)
1369 {
1370 struct lio_device *lio_dev =
1371 (((struct rte_eth_dev *)eth_dev)->data->dev_private);
1372
1373 if (lio_dev->port_configured)
1374 lio_dev_get_link_status(eth_dev);
1375
1376 /* Schedule periodic link status check.
1377 * Stop check if interface is close and start again while opening.
1378 */
1379 if (lio_dev->intf_open)
1380 rte_eal_alarm_set(LIO_LSC_TIMEOUT, lio_sync_link_state_check,
1381 eth_dev);
1382 }
1383
1384 static int
1385 lio_dev_start(struct rte_eth_dev *eth_dev)
1386 {
1387 uint16_t mtu;
1388 uint32_t frame_len = eth_dev->data->dev_conf.rxmode.max_rx_pkt_len;
1389 struct lio_device *lio_dev = LIO_DEV(eth_dev);
1390 uint16_t timeout = LIO_MAX_CMD_TIMEOUT;
1391 int ret = 0;
1392
1393 lio_dev_info(lio_dev, "Starting port %d\n", eth_dev->data->port_id);
1394
1395 if (lio_dev->fn_list.enable_io_queues(lio_dev))
1396 return -1;
1397
1398 if (lio_send_rx_ctrl_cmd(eth_dev, 1))
1399 return -1;
1400
1401 /* Ready for link status updates */
1402 lio_dev->intf_open = 1;
1403 rte_mb();
1404
1405 /* Configure RSS if device configured with multiple RX queues. */
1406 lio_dev_mq_rx_configure(eth_dev);
1407
1408 /* Before update the link info,
1409 * must set linfo.link.link_status64 to 0.
1410 */
1411 lio_dev->linfo.link.link_status64 = 0;
1412
1413 /* start polling for lsc */
1414 ret = rte_eal_alarm_set(LIO_LSC_TIMEOUT,
1415 lio_sync_link_state_check,
1416 eth_dev);
1417 if (ret) {
1418 lio_dev_err(lio_dev,
1419 "link state check handler creation failed\n");
1420 goto dev_lsc_handle_error;
1421 }
1422
1423 while ((lio_dev->linfo.link.link_status64 == 0) && (--timeout))
1424 rte_delay_ms(1);
1425
1426 if (lio_dev->linfo.link.link_status64 == 0) {
1427 ret = -1;
1428 goto dev_mtu_set_error;
1429 }
1430
1431 mtu = (uint16_t)(frame_len - ETHER_HDR_LEN - ETHER_CRC_LEN);
1432 if (mtu < ETHER_MIN_MTU)
1433 mtu = ETHER_MIN_MTU;
1434
1435 if (eth_dev->data->mtu != mtu) {
1436 ret = lio_dev_mtu_set(eth_dev, mtu);
1437 if (ret)
1438 goto dev_mtu_set_error;
1439 }
1440
1441 return 0;
1442
1443 dev_mtu_set_error:
1444 rte_eal_alarm_cancel(lio_sync_link_state_check, eth_dev);
1445
1446 dev_lsc_handle_error:
1447 lio_dev->intf_open = 0;
1448 lio_send_rx_ctrl_cmd(eth_dev, 0);
1449
1450 return ret;
1451 }
1452
1453 /* Stop device and disable input/output functions */
1454 static void
1455 lio_dev_stop(struct rte_eth_dev *eth_dev)
1456 {
1457 struct lio_device *lio_dev = LIO_DEV(eth_dev);
1458
1459 lio_dev_info(lio_dev, "Stopping port %d\n", eth_dev->data->port_id);
1460 lio_dev->intf_open = 0;
1461 rte_mb();
1462
1463 /* Cancel callback if still running. */
1464 rte_eal_alarm_cancel(lio_sync_link_state_check, eth_dev);
1465
1466 lio_send_rx_ctrl_cmd(eth_dev, 0);
1467
1468 lio_wait_for_instr_fetch(lio_dev);
1469
1470 /* Clear recorded link status */
1471 lio_dev->linfo.link.link_status64 = 0;
1472 }
1473
1474 static int
1475 lio_dev_set_link_up(struct rte_eth_dev *eth_dev)
1476 {
1477 struct lio_device *lio_dev = LIO_DEV(eth_dev);
1478
1479 if (!lio_dev->intf_open) {
1480 lio_dev_info(lio_dev, "Port is stopped, Start the port first\n");
1481 return 0;
1482 }
1483
1484 if (lio_dev->linfo.link.s.link_up) {
1485 lio_dev_info(lio_dev, "Link is already UP\n");
1486 return 0;
1487 }
1488
1489 if (lio_send_rx_ctrl_cmd(eth_dev, 1)) {
1490 lio_dev_err(lio_dev, "Unable to set Link UP\n");
1491 return -1;
1492 }
1493
1494 lio_dev->linfo.link.s.link_up = 1;
1495 eth_dev->data->dev_link.link_status = ETH_LINK_UP;
1496
1497 return 0;
1498 }
1499
1500 static int
1501 lio_dev_set_link_down(struct rte_eth_dev *eth_dev)
1502 {
1503 struct lio_device *lio_dev = LIO_DEV(eth_dev);
1504
1505 if (!lio_dev->intf_open) {
1506 lio_dev_info(lio_dev, "Port is stopped, Start the port first\n");
1507 return 0;
1508 }
1509
1510 if (!lio_dev->linfo.link.s.link_up) {
1511 lio_dev_info(lio_dev, "Link is already DOWN\n");
1512 return 0;
1513 }
1514
1515 lio_dev->linfo.link.s.link_up = 0;
1516 eth_dev->data->dev_link.link_status = ETH_LINK_DOWN;
1517
1518 if (lio_send_rx_ctrl_cmd(eth_dev, 0)) {
1519 lio_dev->linfo.link.s.link_up = 1;
1520 eth_dev->data->dev_link.link_status = ETH_LINK_UP;
1521 lio_dev_err(lio_dev, "Unable to set Link Down\n");
1522 return -1;
1523 }
1524
1525 return 0;
1526 }
1527
1528 /**
1529 * Reset and stop the device. This occurs on the first
1530 * call to this routine. Subsequent calls will simply
1531 * return. NB: This will require the NIC to be rebooted.
1532 *
1533 * @param eth_dev
1534 * Pointer to the structure rte_eth_dev
1535 *
1536 * @return
1537 * - nothing
1538 */
1539 static void
1540 lio_dev_close(struct rte_eth_dev *eth_dev)
1541 {
1542 struct lio_device *lio_dev = LIO_DEV(eth_dev);
1543
1544 lio_dev_info(lio_dev, "closing port %d\n", eth_dev->data->port_id);
1545
1546 if (lio_dev->intf_open)
1547 lio_dev_stop(eth_dev);
1548
1549 /* Reset ioq regs */
1550 lio_dev->fn_list.setup_device_regs(lio_dev);
1551
1552 if (lio_dev->pci_dev->kdrv == RTE_KDRV_IGB_UIO) {
1553 cn23xx_vf_ask_pf_to_do_flr(lio_dev);
1554 rte_delay_ms(LIO_PCI_FLR_WAIT);
1555 }
1556
1557 /* lio_free_mbox */
1558 lio_dev->fn_list.free_mbox(lio_dev);
1559
1560 /* Free glist resources */
1561 rte_free(lio_dev->glist_head);
1562 rte_free(lio_dev->glist_lock);
1563 lio_dev->glist_head = NULL;
1564 lio_dev->glist_lock = NULL;
1565
1566 lio_dev->port_configured = 0;
1567
1568 /* Delete all queues */
1569 lio_dev_clear_queues(eth_dev);
1570 }
1571
1572 /**
1573 * Enable tunnel rx checksum verification from firmware.
1574 */
1575 static void
1576 lio_enable_hw_tunnel_rx_checksum(struct rte_eth_dev *eth_dev)
1577 {
1578 struct lio_device *lio_dev = LIO_DEV(eth_dev);
1579 struct lio_dev_ctrl_cmd ctrl_cmd;
1580 struct lio_ctrl_pkt ctrl_pkt;
1581
1582 /* flush added to prevent cmd failure
1583 * incase the queue is full
1584 */
1585 lio_flush_iq(lio_dev, lio_dev->instr_queue[0]);
1586
1587 memset(&ctrl_pkt, 0, sizeof(struct lio_ctrl_pkt));
1588 memset(&ctrl_cmd, 0, sizeof(struct lio_dev_ctrl_cmd));
1589
1590 ctrl_cmd.eth_dev = eth_dev;
1591 ctrl_cmd.cond = 0;
1592
1593 ctrl_pkt.ncmd.s.cmd = LIO_CMD_TNL_RX_CSUM_CTL;
1594 ctrl_pkt.ncmd.s.param1 = LIO_CMD_RXCSUM_ENABLE;
1595 ctrl_pkt.ctrl_cmd = &ctrl_cmd;
1596
1597 if (lio_send_ctrl_pkt(lio_dev, &ctrl_pkt)) {
1598 lio_dev_err(lio_dev, "Failed to send TNL_RX_CSUM command\n");
1599 return;
1600 }
1601
1602 if (lio_wait_for_ctrl_cmd(lio_dev, &ctrl_cmd))
1603 lio_dev_err(lio_dev, "TNL_RX_CSUM command timed out\n");
1604 }
1605
1606 /**
1607 * Enable checksum calculation for inner packet in a tunnel.
1608 */
1609 static void
1610 lio_enable_hw_tunnel_tx_checksum(struct rte_eth_dev *eth_dev)
1611 {
1612 struct lio_device *lio_dev = LIO_DEV(eth_dev);
1613 struct lio_dev_ctrl_cmd ctrl_cmd;
1614 struct lio_ctrl_pkt ctrl_pkt;
1615
1616 /* flush added to prevent cmd failure
1617 * incase the queue is full
1618 */
1619 lio_flush_iq(lio_dev, lio_dev->instr_queue[0]);
1620
1621 memset(&ctrl_pkt, 0, sizeof(struct lio_ctrl_pkt));
1622 memset(&ctrl_cmd, 0, sizeof(struct lio_dev_ctrl_cmd));
1623
1624 ctrl_cmd.eth_dev = eth_dev;
1625 ctrl_cmd.cond = 0;
1626
1627 ctrl_pkt.ncmd.s.cmd = LIO_CMD_TNL_TX_CSUM_CTL;
1628 ctrl_pkt.ncmd.s.param1 = LIO_CMD_TXCSUM_ENABLE;
1629 ctrl_pkt.ctrl_cmd = &ctrl_cmd;
1630
1631 if (lio_send_ctrl_pkt(lio_dev, &ctrl_pkt)) {
1632 lio_dev_err(lio_dev, "Failed to send TNL_TX_CSUM command\n");
1633 return;
1634 }
1635
1636 if (lio_wait_for_ctrl_cmd(lio_dev, &ctrl_cmd))
1637 lio_dev_err(lio_dev, "TNL_TX_CSUM command timed out\n");
1638 }
1639
1640 static int
1641 lio_send_queue_count_update(struct rte_eth_dev *eth_dev, int num_txq,
1642 int num_rxq)
1643 {
1644 struct lio_device *lio_dev = LIO_DEV(eth_dev);
1645 struct lio_dev_ctrl_cmd ctrl_cmd;
1646 struct lio_ctrl_pkt ctrl_pkt;
1647
1648 if (strcmp(lio_dev->firmware_version, LIO_Q_RECONF_MIN_VERSION) < 0) {
1649 lio_dev_err(lio_dev, "Require firmware version >= %s\n",
1650 LIO_Q_RECONF_MIN_VERSION);
1651 return -ENOTSUP;
1652 }
1653
1654 /* flush added to prevent cmd failure
1655 * incase the queue is full
1656 */
1657 lio_flush_iq(lio_dev, lio_dev->instr_queue[0]);
1658
1659 memset(&ctrl_pkt, 0, sizeof(struct lio_ctrl_pkt));
1660 memset(&ctrl_cmd, 0, sizeof(struct lio_dev_ctrl_cmd));
1661
1662 ctrl_cmd.eth_dev = eth_dev;
1663 ctrl_cmd.cond = 0;
1664
1665 ctrl_pkt.ncmd.s.cmd = LIO_CMD_QUEUE_COUNT_CTL;
1666 ctrl_pkt.ncmd.s.param1 = num_txq;
1667 ctrl_pkt.ncmd.s.param2 = num_rxq;
1668 ctrl_pkt.ctrl_cmd = &ctrl_cmd;
1669
1670 if (lio_send_ctrl_pkt(lio_dev, &ctrl_pkt)) {
1671 lio_dev_err(lio_dev, "Failed to send queue count control command\n");
1672 return -1;
1673 }
1674
1675 if (lio_wait_for_ctrl_cmd(lio_dev, &ctrl_cmd)) {
1676 lio_dev_err(lio_dev, "Queue count control command timed out\n");
1677 return -1;
1678 }
1679
1680 return 0;
1681 }
1682
1683 static int
1684 lio_reconf_queues(struct rte_eth_dev *eth_dev, int num_txq, int num_rxq)
1685 {
1686 struct lio_device *lio_dev = LIO_DEV(eth_dev);
1687
1688 if (lio_dev->nb_rx_queues != num_rxq ||
1689 lio_dev->nb_tx_queues != num_txq) {
1690 if (lio_send_queue_count_update(eth_dev, num_txq, num_rxq))
1691 return -1;
1692 lio_dev->nb_rx_queues = num_rxq;
1693 lio_dev->nb_tx_queues = num_txq;
1694 }
1695
1696 if (lio_dev->intf_open)
1697 lio_dev_stop(eth_dev);
1698
1699 /* Reset ioq registers */
1700 if (lio_dev->fn_list.setup_device_regs(lio_dev)) {
1701 lio_dev_err(lio_dev, "Failed to configure device registers\n");
1702 return -1;
1703 }
1704
1705 return 0;
1706 }
1707
1708 static int
1709 lio_dev_configure(struct rte_eth_dev *eth_dev)
1710 {
1711 struct lio_device *lio_dev = LIO_DEV(eth_dev);
1712 uint16_t timeout = LIO_MAX_CMD_TIMEOUT;
1713 int retval, num_iqueues, num_oqueues;
1714 uint8_t mac[ETHER_ADDR_LEN], i;
1715 struct lio_if_cfg_resp *resp;
1716 struct lio_soft_command *sc;
1717 union lio_if_cfg if_cfg;
1718 uint32_t resp_size;
1719
1720 PMD_INIT_FUNC_TRACE();
1721
1722 /* Inform firmware about change in number of queues to use.
1723 * Disable IO queues and reset registers for re-configuration.
1724 */
1725 if (lio_dev->port_configured)
1726 return lio_reconf_queues(eth_dev,
1727 eth_dev->data->nb_tx_queues,
1728 eth_dev->data->nb_rx_queues);
1729
1730 lio_dev->nb_rx_queues = eth_dev->data->nb_rx_queues;
1731 lio_dev->nb_tx_queues = eth_dev->data->nb_tx_queues;
1732
1733 /* Set max number of queues which can be re-configured. */
1734 lio_dev->max_rx_queues = eth_dev->data->nb_rx_queues;
1735 lio_dev->max_tx_queues = eth_dev->data->nb_tx_queues;
1736
1737 resp_size = sizeof(struct lio_if_cfg_resp);
1738 sc = lio_alloc_soft_command(lio_dev, 0, resp_size, 0);
1739 if (sc == NULL)
1740 return -ENOMEM;
1741
1742 resp = (struct lio_if_cfg_resp *)sc->virtrptr;
1743
1744 /* Firmware doesn't have capability to reconfigure the queues,
1745 * Claim all queues, and use as many required
1746 */
1747 if_cfg.if_cfg64 = 0;
1748 if_cfg.s.num_iqueues = lio_dev->nb_tx_queues;
1749 if_cfg.s.num_oqueues = lio_dev->nb_rx_queues;
1750 if_cfg.s.base_queue = 0;
1751
1752 if_cfg.s.gmx_port_id = lio_dev->pf_num;
1753
1754 lio_prepare_soft_command(lio_dev, sc, LIO_OPCODE,
1755 LIO_OPCODE_IF_CFG, 0,
1756 if_cfg.if_cfg64, 0);
1757
1758 /* Setting wait time in seconds */
1759 sc->wait_time = LIO_MAX_CMD_TIMEOUT / 1000;
1760
1761 retval = lio_send_soft_command(lio_dev, sc);
1762 if (retval == LIO_IQ_SEND_FAILED) {
1763 lio_dev_err(lio_dev, "iq/oq config failed status: %x\n",
1764 retval);
1765 /* Soft instr is freed by driver in case of failure. */
1766 goto nic_config_fail;
1767 }
1768
1769 /* Sleep on a wait queue till the cond flag indicates that the
1770 * response arrived or timed-out.
1771 */
1772 while ((*sc->status_word == LIO_COMPLETION_WORD_INIT) && --timeout) {
1773 lio_flush_iq(lio_dev, lio_dev->instr_queue[sc->iq_no]);
1774 lio_process_ordered_list(lio_dev);
1775 rte_delay_ms(1);
1776 }
1777
1778 retval = resp->status;
1779 if (retval) {
1780 lio_dev_err(lio_dev, "iq/oq config failed\n");
1781 goto nic_config_fail;
1782 }
1783
1784 snprintf(lio_dev->firmware_version, LIO_FW_VERSION_LENGTH, "%s",
1785 resp->cfg_info.lio_firmware_version);
1786
1787 lio_swap_8B_data((uint64_t *)(&resp->cfg_info),
1788 sizeof(struct octeon_if_cfg_info) >> 3);
1789
1790 num_iqueues = lio_hweight64(resp->cfg_info.iqmask);
1791 num_oqueues = lio_hweight64(resp->cfg_info.oqmask);
1792
1793 if (!(num_iqueues) || !(num_oqueues)) {
1794 lio_dev_err(lio_dev,
1795 "Got bad iqueues (%016lx) or oqueues (%016lx) from firmware.\n",
1796 (unsigned long)resp->cfg_info.iqmask,
1797 (unsigned long)resp->cfg_info.oqmask);
1798 goto nic_config_fail;
1799 }
1800
1801 lio_dev_dbg(lio_dev,
1802 "interface %d, iqmask %016lx, oqmask %016lx, numiqueues %d, numoqueues %d\n",
1803 eth_dev->data->port_id,
1804 (unsigned long)resp->cfg_info.iqmask,
1805 (unsigned long)resp->cfg_info.oqmask,
1806 num_iqueues, num_oqueues);
1807
1808 lio_dev->linfo.num_rxpciq = num_oqueues;
1809 lio_dev->linfo.num_txpciq = num_iqueues;
1810
1811 for (i = 0; i < num_oqueues; i++) {
1812 lio_dev->linfo.rxpciq[i].rxpciq64 =
1813 resp->cfg_info.linfo.rxpciq[i].rxpciq64;
1814 lio_dev_dbg(lio_dev, "index %d OQ %d\n",
1815 i, lio_dev->linfo.rxpciq[i].s.q_no);
1816 }
1817
1818 for (i = 0; i < num_iqueues; i++) {
1819 lio_dev->linfo.txpciq[i].txpciq64 =
1820 resp->cfg_info.linfo.txpciq[i].txpciq64;
1821 lio_dev_dbg(lio_dev, "index %d IQ %d\n",
1822 i, lio_dev->linfo.txpciq[i].s.q_no);
1823 }
1824
1825 lio_dev->linfo.hw_addr = resp->cfg_info.linfo.hw_addr;
1826 lio_dev->linfo.gmxport = resp->cfg_info.linfo.gmxport;
1827 lio_dev->linfo.link.link_status64 =
1828 resp->cfg_info.linfo.link.link_status64;
1829
1830 /* 64-bit swap required on LE machines */
1831 lio_swap_8B_data(&lio_dev->linfo.hw_addr, 1);
1832 for (i = 0; i < ETHER_ADDR_LEN; i++)
1833 mac[i] = *((uint8_t *)(((uint8_t *)&lio_dev->linfo.hw_addr) +
1834 2 + i));
1835
1836 /* Copy the permanent MAC address */
1837 ether_addr_copy((struct ether_addr *)mac, &eth_dev->data->mac_addrs[0]);
1838
1839 /* enable firmware checksum support for tunnel packets */
1840 lio_enable_hw_tunnel_rx_checksum(eth_dev);
1841 lio_enable_hw_tunnel_tx_checksum(eth_dev);
1842
1843 lio_dev->glist_lock =
1844 rte_zmalloc(NULL, sizeof(*lio_dev->glist_lock) * num_iqueues, 0);
1845 if (lio_dev->glist_lock == NULL)
1846 return -ENOMEM;
1847
1848 lio_dev->glist_head =
1849 rte_zmalloc(NULL, sizeof(*lio_dev->glist_head) * num_iqueues,
1850 0);
1851 if (lio_dev->glist_head == NULL) {
1852 rte_free(lio_dev->glist_lock);
1853 lio_dev->glist_lock = NULL;
1854 return -ENOMEM;
1855 }
1856
1857 lio_dev_link_update(eth_dev, 0);
1858
1859 lio_dev->port_configured = 1;
1860
1861 lio_free_soft_command(sc);
1862
1863 /* Reset ioq regs */
1864 lio_dev->fn_list.setup_device_regs(lio_dev);
1865
1866 /* Free iq_0 used during init */
1867 lio_free_instr_queue0(lio_dev);
1868
1869 return 0;
1870
1871 nic_config_fail:
1872 lio_dev_err(lio_dev, "Failed retval %d\n", retval);
1873 lio_free_soft_command(sc);
1874 lio_free_instr_queue0(lio_dev);
1875
1876 return -ENODEV;
1877 }
1878
1879 /* Define our ethernet definitions */
1880 static const struct eth_dev_ops liovf_eth_dev_ops = {
1881 .dev_configure = lio_dev_configure,
1882 .dev_start = lio_dev_start,
1883 .dev_stop = lio_dev_stop,
1884 .dev_set_link_up = lio_dev_set_link_up,
1885 .dev_set_link_down = lio_dev_set_link_down,
1886 .dev_close = lio_dev_close,
1887 .promiscuous_enable = lio_dev_promiscuous_enable,
1888 .promiscuous_disable = lio_dev_promiscuous_disable,
1889 .allmulticast_enable = lio_dev_allmulticast_enable,
1890 .allmulticast_disable = lio_dev_allmulticast_disable,
1891 .link_update = lio_dev_link_update,
1892 .stats_get = lio_dev_stats_get,
1893 .xstats_get = lio_dev_xstats_get,
1894 .xstats_get_names = lio_dev_xstats_get_names,
1895 .stats_reset = lio_dev_stats_reset,
1896 .xstats_reset = lio_dev_xstats_reset,
1897 .dev_infos_get = lio_dev_info_get,
1898 .vlan_filter_set = lio_dev_vlan_filter_set,
1899 .rx_queue_setup = lio_dev_rx_queue_setup,
1900 .rx_queue_release = lio_dev_rx_queue_release,
1901 .tx_queue_setup = lio_dev_tx_queue_setup,
1902 .tx_queue_release = lio_dev_tx_queue_release,
1903 .reta_update = lio_dev_rss_reta_update,
1904 .reta_query = lio_dev_rss_reta_query,
1905 .rss_hash_conf_get = lio_dev_rss_hash_conf_get,
1906 .rss_hash_update = lio_dev_rss_hash_update,
1907 .udp_tunnel_port_add = lio_dev_udp_tunnel_add,
1908 .udp_tunnel_port_del = lio_dev_udp_tunnel_del,
1909 .mtu_set = lio_dev_mtu_set,
1910 };
1911
1912 static void
1913 lio_check_pf_hs_response(void *lio_dev)
1914 {
1915 struct lio_device *dev = lio_dev;
1916
1917 /* check till response arrives */
1918 if (dev->pfvf_hsword.coproc_tics_per_us)
1919 return;
1920
1921 cn23xx_vf_handle_mbox(dev);
1922
1923 rte_eal_alarm_set(1, lio_check_pf_hs_response, lio_dev);
1924 }
1925
1926 /**
1927 * \brief Identify the LIO device and to map the BAR address space
1928 * @param lio_dev lio device
1929 */
1930 static int
1931 lio_chip_specific_setup(struct lio_device *lio_dev)
1932 {
1933 struct rte_pci_device *pdev = lio_dev->pci_dev;
1934 uint32_t dev_id = pdev->id.device_id;
1935 const char *s;
1936 int ret = 1;
1937
1938 switch (dev_id) {
1939 case LIO_CN23XX_VF_VID:
1940 lio_dev->chip_id = LIO_CN23XX_VF_VID;
1941 ret = cn23xx_vf_setup_device(lio_dev);
1942 s = "CN23XX VF";
1943 break;
1944 default:
1945 s = "?";
1946 lio_dev_err(lio_dev, "Unsupported Chip\n");
1947 }
1948
1949 if (!ret)
1950 lio_dev_info(lio_dev, "DEVICE : %s\n", s);
1951
1952 return ret;
1953 }
1954
1955 static int
1956 lio_first_time_init(struct lio_device *lio_dev,
1957 struct rte_pci_device *pdev)
1958 {
1959 int dpdk_queues;
1960
1961 PMD_INIT_FUNC_TRACE();
1962
1963 /* set dpdk specific pci device pointer */
1964 lio_dev->pci_dev = pdev;
1965
1966 /* Identify the LIO type and set device ops */
1967 if (lio_chip_specific_setup(lio_dev)) {
1968 lio_dev_err(lio_dev, "Chip specific setup failed\n");
1969 return -1;
1970 }
1971
1972 /* Initialize soft command buffer pool */
1973 if (lio_setup_sc_buffer_pool(lio_dev)) {
1974 lio_dev_err(lio_dev, "sc buffer pool allocation failed\n");
1975 return -1;
1976 }
1977
1978 /* Initialize lists to manage the requests of different types that
1979 * arrive from applications for this lio device.
1980 */
1981 lio_setup_response_list(lio_dev);
1982
1983 if (lio_dev->fn_list.setup_mbox(lio_dev)) {
1984 lio_dev_err(lio_dev, "Mailbox setup failed\n");
1985 goto error;
1986 }
1987
1988 /* Check PF response */
1989 lio_check_pf_hs_response((void *)lio_dev);
1990
1991 /* Do handshake and exit if incompatible PF driver */
1992 if (cn23xx_pfvf_handshake(lio_dev))
1993 goto error;
1994
1995 /* Request and wait for device reset. */
1996 if (pdev->kdrv == RTE_KDRV_IGB_UIO) {
1997 cn23xx_vf_ask_pf_to_do_flr(lio_dev);
1998 /* FLR wait time doubled as a precaution. */
1999 rte_delay_ms(LIO_PCI_FLR_WAIT * 2);
2000 }
2001
2002 if (lio_dev->fn_list.setup_device_regs(lio_dev)) {
2003 lio_dev_err(lio_dev, "Failed to configure device registers\n");
2004 goto error;
2005 }
2006
2007 if (lio_setup_instr_queue0(lio_dev)) {
2008 lio_dev_err(lio_dev, "Failed to setup instruction queue 0\n");
2009 goto error;
2010 }
2011
2012 dpdk_queues = (int)lio_dev->sriov_info.rings_per_vf;
2013
2014 lio_dev->max_tx_queues = dpdk_queues;
2015 lio_dev->max_rx_queues = dpdk_queues;
2016
2017 /* Enable input and output queues for this device */
2018 if (lio_dev->fn_list.enable_io_queues(lio_dev))
2019 goto error;
2020
2021 return 0;
2022
2023 error:
2024 lio_free_sc_buffer_pool(lio_dev);
2025 if (lio_dev->mbox[0])
2026 lio_dev->fn_list.free_mbox(lio_dev);
2027 if (lio_dev->instr_queue[0])
2028 lio_free_instr_queue0(lio_dev);
2029
2030 return -1;
2031 }
2032
2033 static int
2034 lio_eth_dev_uninit(struct rte_eth_dev *eth_dev)
2035 {
2036 struct lio_device *lio_dev = LIO_DEV(eth_dev);
2037
2038 PMD_INIT_FUNC_TRACE();
2039
2040 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
2041 return -EPERM;
2042
2043 /* lio_free_sc_buffer_pool */
2044 lio_free_sc_buffer_pool(lio_dev);
2045
2046 rte_free(eth_dev->data->mac_addrs);
2047 eth_dev->data->mac_addrs = NULL;
2048
2049 eth_dev->dev_ops = NULL;
2050 eth_dev->rx_pkt_burst = NULL;
2051 eth_dev->tx_pkt_burst = NULL;
2052
2053 return 0;
2054 }
2055
2056 static int
2057 lio_eth_dev_init(struct rte_eth_dev *eth_dev)
2058 {
2059 struct rte_pci_device *pdev = RTE_ETH_DEV_TO_PCI(eth_dev);
2060 struct lio_device *lio_dev = LIO_DEV(eth_dev);
2061
2062 PMD_INIT_FUNC_TRACE();
2063
2064 eth_dev->rx_pkt_burst = &lio_dev_recv_pkts;
2065 eth_dev->tx_pkt_burst = &lio_dev_xmit_pkts;
2066
2067 /* Primary does the initialization. */
2068 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
2069 return 0;
2070
2071 rte_eth_copy_pci_info(eth_dev, pdev);
2072
2073 if (pdev->mem_resource[0].addr) {
2074 lio_dev->hw_addr = pdev->mem_resource[0].addr;
2075 } else {
2076 PMD_INIT_LOG(ERR, "ERROR: Failed to map BAR0\n");
2077 return -ENODEV;
2078 }
2079
2080 lio_dev->eth_dev = eth_dev;
2081 /* set lio device print string */
2082 snprintf(lio_dev->dev_string, sizeof(lio_dev->dev_string),
2083 "%s[%02x:%02x.%x]", pdev->driver->driver.name,
2084 pdev->addr.bus, pdev->addr.devid, pdev->addr.function);
2085
2086 lio_dev->port_id = eth_dev->data->port_id;
2087
2088 if (lio_first_time_init(lio_dev, pdev)) {
2089 lio_dev_err(lio_dev, "Device init failed\n");
2090 return -EINVAL;
2091 }
2092
2093 eth_dev->dev_ops = &liovf_eth_dev_ops;
2094 eth_dev->data->mac_addrs = rte_zmalloc("lio", ETHER_ADDR_LEN, 0);
2095 if (eth_dev->data->mac_addrs == NULL) {
2096 lio_dev_err(lio_dev,
2097 "MAC addresses memory allocation failed\n");
2098 eth_dev->dev_ops = NULL;
2099 eth_dev->rx_pkt_burst = NULL;
2100 eth_dev->tx_pkt_burst = NULL;
2101 return -ENOMEM;
2102 }
2103
2104 rte_atomic64_set(&lio_dev->status, LIO_DEV_RUNNING);
2105 rte_wmb();
2106
2107 lio_dev->port_configured = 0;
2108 /* Always allow unicast packets */
2109 lio_dev->ifflags |= LIO_IFFLAG_UNICAST;
2110
2111 return 0;
2112 }
2113
2114 static int
2115 lio_eth_dev_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
2116 struct rte_pci_device *pci_dev)
2117 {
2118 return rte_eth_dev_pci_generic_probe(pci_dev, sizeof(struct lio_device),
2119 lio_eth_dev_init);
2120 }
2121
2122 static int
2123 lio_eth_dev_pci_remove(struct rte_pci_device *pci_dev)
2124 {
2125 return rte_eth_dev_pci_generic_remove(pci_dev,
2126 lio_eth_dev_uninit);
2127 }
2128
2129 /* Set of PCI devices this driver supports */
2130 static const struct rte_pci_id pci_id_liovf_map[] = {
2131 { RTE_PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, LIO_CN23XX_VF_VID) },
2132 { .vendor_id = 0, /* sentinel */ }
2133 };
2134
2135 static struct rte_pci_driver rte_liovf_pmd = {
2136 .id_table = pci_id_liovf_map,
2137 .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
2138 .probe = lio_eth_dev_pci_probe,
2139 .remove = lio_eth_dev_pci_remove,
2140 };
2141
2142 RTE_PMD_REGISTER_PCI(net_liovf, rte_liovf_pmd);
2143 RTE_PMD_REGISTER_PCI_TABLE(net_liovf, pci_id_liovf_map);
2144 RTE_PMD_REGISTER_KMOD_DEP(net_liovf, "* igb_uio | vfio-pci");
2145
2146 RTE_INIT(lio_init_log)
2147 {
2148 lio_logtype_init = rte_log_register("pmd.net.liquidio.init");
2149 if (lio_logtype_init >= 0)
2150 rte_log_set_level(lio_logtype_init, RTE_LOG_NOTICE);
2151 lio_logtype_driver = rte_log_register("pmd.net.liquidio.driver");
2152 if (lio_logtype_driver >= 0)
2153 rte_log_set_level(lio_logtype_driver, RTE_LOG_NOTICE);
2154 }
Ceph