2 *------------------------------------------------------------------
3 * Copyright (c) 2018 Cisco and/or its affiliates.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 *------------------------------------------------------------------
18 #include <vlib/vlib.h>
19 #include <vppinfra/ring.h>
20 #include <vlib/unix/unix.h>
21 #include <vlib/pci/pci.h>
22 #include <vnet/ethernet/ethernet.h>
26 #define AVF_MBOX_LEN 64
27 #define AVF_MBOX_BUF_SZ 512
28 #define AVF_RXQ_SZ 512
29 #define AVF_TXQ_SZ 512
30 #define AVF_ITR_INT 8160
32 #define PCI_VENDOR_ID_INTEL 0x8086
33 #define PCI_DEVICE_ID_INTEL_AVF 0x1889
34 #define PCI_DEVICE_ID_INTEL_X710_VF 0x154c
35 #define PCI_DEVICE_ID_INTEL_X722_VF 0x37cd
39 static pci_device_id_t avf_pci_device_ids[] = {
40 {.vendor_id = PCI_VENDOR_ID_INTEL,.device_id = PCI_DEVICE_ID_INTEL_AVF},
41 {.vendor_id = PCI_VENDOR_ID_INTEL,.device_id = PCI_DEVICE_ID_INTEL_X710_VF},
42 {.vendor_id = PCI_VENDOR_ID_INTEL,.device_id = PCI_DEVICE_ID_INTEL_X722_VF},
46 const static char *virtchnl_event_names[] = {
47 #define _(v, n) [v] = #n,
48 foreach_virtchnl_event_code
52 const static char *virtchnl_link_speed_str[] = {
53 #define _(v, n, s) [v] = s,
54 foreach_virtchnl_link_speed
59 avf_irq_0_disable (avf_device_t * ad)
61 u32 dyn_ctl0 = 0, icr0_ena = 0;
63 dyn_ctl0 |= (3 << 3); /* 11b = No ITR update */
65 avf_reg_write (ad, AVFINT_ICR0_ENA1, icr0_ena);
66 avf_reg_write (ad, AVFINT_DYN_CTL0, dyn_ctl0);
71 avf_irq_0_enable (avf_device_t * ad)
73 u32 dyn_ctl0 = 0, icr0_ena = 0;
75 icr0_ena |= (1 << 30); /* [30] Admin Queue Enable */
77 dyn_ctl0 |= (1 << 0); /* [0] Interrupt Enable */
78 dyn_ctl0 |= (1 << 1); /* [1] Clear PBA */
79 //dyn_ctl0 |= (3 << 3); /* [4:3] ITR Index, 11b = No ITR update */
80 dyn_ctl0 |= ((AVF_ITR_INT / 2) << 5); /* [16:5] ITR Interval in 2us steps */
82 avf_irq_0_disable (ad);
83 avf_reg_write (ad, AVFINT_ICR0_ENA1, icr0_ena);
84 avf_reg_write (ad, AVFINT_DYN_CTL0, dyn_ctl0);
89 avf_irq_n_disable (avf_device_t * ad, u8 line)
93 avf_reg_write (ad, AVFINT_DYN_CTLN (line), dyn_ctln);
98 avf_irq_n_enable (avf_device_t * ad, u8 line)
102 dyn_ctln |= (1 << 0); /* [0] Interrupt Enable */
103 dyn_ctln |= (1 << 1); /* [1] Clear PBA */
104 dyn_ctln |= ((AVF_ITR_INT / 2) << 5); /* [16:5] ITR Interval in 2us steps */
106 avf_irq_n_disable (ad, line);
107 avf_reg_write (ad, AVFINT_DYN_CTLN (line), dyn_ctln);
113 avf_aq_desc_enq (vlib_main_t * vm, avf_device_t * ad, avf_aq_desc_t * dt,
116 avf_main_t *am = &avf_main;
117 clib_error_t *err = 0;
118 avf_aq_desc_t *d, dc;
121 d = &ad->atq[ad->atq_next_slot];
122 clib_memcpy_fast (d, dt, sizeof (avf_aq_desc_t));
123 d->flags |= AVF_AQ_F_RD | AVF_AQ_F_SI;
129 pa = ad->atq_bufs_pa + ad->atq_next_slot * AVF_MBOX_BUF_SZ;
130 d->addr_hi = (u32) (pa >> 32);
131 d->addr_lo = (u32) pa;
132 clib_memcpy_fast (ad->atq_bufs + ad->atq_next_slot * AVF_MBOX_BUF_SZ,
134 d->flags |= AVF_AQ_F_BUF;
137 if (ad->flags & AVF_DEVICE_F_ELOG)
138 clib_memcpy_fast (&dc, d, sizeof (avf_aq_desc_t));
140 CLIB_MEMORY_BARRIER ();
141 vlib_log_debug (am->log_class, "%U", format_hexdump, data, len);
142 ad->atq_next_slot = (ad->atq_next_slot + 1) % AVF_MBOX_LEN;
143 avf_reg_write (ad, AVF_ATQT, ad->atq_next_slot);
147 vlib_process_suspend (vm, 10e-6);
149 if (((d->flags & AVF_AQ_F_DD) == 0) || ((d->flags & AVF_AQ_F_CMP) == 0))
153 err = clib_error_return (0, "adminq enqueue timeout [opcode 0x%x]",
160 clib_memcpy_fast (dt, d, sizeof (avf_aq_desc_t));
161 if (d->flags & AVF_AQ_F_ERR)
162 return clib_error_return (0, "adminq enqueue error [opcode 0x%x, retval "
163 "%d]", d->opcode, d->retval);
166 if (ad->flags & AVF_DEVICE_F_ELOG)
169 ELOG_TYPE_DECLARE (el) =
171 .format = "avf[%d] aq enq: s_flags 0x%x r_flags 0x%x opcode 0x%x "
172 "datalen %d retval %d",
173 .format_args = "i4i2i2i2i2i2",
184 ed = ELOG_DATA (&vm->elog_main, el);
185 ed->dev_instance = ad->dev_instance;
186 ed->s_flags = dc.flags;
187 ed->r_flags = d->flags;
188 ed->opcode = dc.opcode;
189 ed->datalen = dc.datalen;
190 ed->retval = d->retval;
198 avf_cmd_rx_ctl_reg_write (vlib_main_t * vm, avf_device_t * ad, u32 reg,
202 avf_aq_desc_t d = {.opcode = 0x207,.param1 = reg,.param3 = val };
203 err = avf_aq_desc_enq (vm, ad, &d, 0, 0);
205 if (ad->flags & AVF_DEVICE_F_ELOG)
208 ELOG_TYPE_DECLARE (el) =
210 .format = "avf[%d] rx ctl reg write: reg 0x%x val 0x%x ",
211 .format_args = "i4i4i4",
219 ed = ELOG_DATA (&vm->elog_main, el);
220 ed->dev_instance = ad->dev_instance;
229 avf_rxq_init (vlib_main_t * vm, avf_device_t * ad, u16 qid, u16 rxq_size)
235 vec_validate_aligned (ad->rxqs, qid, CLIB_CACHE_LINE_BYTES);
236 rxq = vec_elt_at_index (ad->rxqs, qid);
237 rxq->size = rxq_size;
239 rxq->descs = vlib_physmem_alloc_aligned_on_numa (vm, rxq->size *
240 sizeof (avf_rx_desc_t),
241 2 * CLIB_CACHE_LINE_BYTES,
244 rxq->buffer_pool_index =
245 vlib_buffer_pool_get_default_for_numa (vm, ad->numa_node);
248 return vlib_physmem_last_error (vm);
250 if ((err = vlib_pci_map_dma (vm, ad->pci_dev_handle, (void *) rxq->descs)))
253 clib_memset ((void *) rxq->descs, 0, rxq->size * sizeof (avf_rx_desc_t));
254 vec_validate_aligned (rxq->bufs, rxq->size, CLIB_CACHE_LINE_BYTES);
255 rxq->qrx_tail = ad->bar0 + AVF_QRX_TAIL (qid);
257 n_alloc = vlib_buffer_alloc_from_pool (vm, rxq->bufs, rxq->size - 8,
258 rxq->buffer_pool_index);
261 return clib_error_return (0, "buffer allocation error");
263 rxq->n_enqueued = n_alloc;
264 avf_rx_desc_t *d = rxq->descs;
265 for (i = 0; i < n_alloc; i++)
267 vlib_buffer_t *b = vlib_get_buffer (vm, rxq->bufs[i]);
268 if (ad->flags & AVF_DEVICE_F_VA_DMA)
269 d->qword[0] = vlib_buffer_get_va (b);
271 d->qword[0] = vlib_buffer_get_pa (vm, b);
275 ad->n_rx_queues = clib_min (ad->num_queue_pairs, qid + 1);
280 avf_txq_init (vlib_main_t * vm, avf_device_t * ad, u16 qid, u16 txq_size)
285 if (qid >= ad->num_queue_pairs)
287 qid = qid % ad->num_queue_pairs;
288 txq = vec_elt_at_index (ad->txqs, qid);
290 clib_spinlock_init (&txq->lock);
291 ad->flags |= AVF_DEVICE_F_SHARED_TXQ_LOCK;
295 vec_validate_aligned (ad->txqs, qid, CLIB_CACHE_LINE_BYTES);
296 txq = vec_elt_at_index (ad->txqs, qid);
297 txq->size = txq_size;
299 txq->descs = vlib_physmem_alloc_aligned_on_numa (vm, txq->size *
300 sizeof (avf_tx_desc_t),
301 2 * CLIB_CACHE_LINE_BYTES,
304 return vlib_physmem_last_error (vm);
306 if ((err = vlib_pci_map_dma (vm, ad->pci_dev_handle, (void *) txq->descs)))
309 vec_validate_aligned (txq->bufs, txq->size, CLIB_CACHE_LINE_BYTES);
310 txq->qtx_tail = ad->bar0 + AVF_QTX_TAIL (qid);
312 /* initialize ring of pending RS slots */
313 clib_ring_new_aligned (txq->rs_slots, 32, CLIB_CACHE_LINE_BYTES);
315 ad->n_tx_queues = clib_min (ad->num_queue_pairs, qid + 1);
323 } virtchnl_promisc_info_t;
326 avf_arq_slot_init (avf_device_t * ad, u16 slot)
329 u64 pa = ad->arq_bufs_pa + slot * AVF_MBOX_BUF_SZ;
331 clib_memset (d, 0, sizeof (avf_aq_desc_t));
332 d->flags = AVF_AQ_F_BUF;
333 d->datalen = AVF_MBOX_BUF_SZ;
334 d->addr_hi = (u32) (pa >> 32);
335 d->addr_lo = (u32) pa;
339 avf_dma_addr (vlib_main_t * vm, avf_device_t * ad, void *p)
341 return (ad->flags & AVF_DEVICE_F_VA_DMA) ?
342 pointer_to_uword (p) : vlib_physmem_get_pa (vm, p);
346 avf_adminq_init (vlib_main_t * vm, avf_device_t * ad)
351 /* VF MailBox Transmit */
352 clib_memset (ad->atq, 0, sizeof (avf_aq_desc_t) * AVF_MBOX_LEN);
353 ad->atq_bufs_pa = avf_dma_addr (vm, ad, ad->atq_bufs);
355 pa = avf_dma_addr (vm, ad, ad->atq);
356 avf_reg_write (ad, AVF_ATQT, 0); /* Tail */
357 avf_reg_write (ad, AVF_ATQH, 0); /* Head */
358 avf_reg_write (ad, AVF_ATQLEN, AVF_MBOX_LEN | (1ULL << 31)); /* len & ena */
359 avf_reg_write (ad, AVF_ATQBAL, (u32) pa); /* Base Address Low */
360 avf_reg_write (ad, AVF_ATQBAH, (u32) (pa >> 32)); /* Base Address High */
362 /* VF MailBox Receive */
363 clib_memset (ad->arq, 0, sizeof (avf_aq_desc_t) * AVF_MBOX_LEN);
364 ad->arq_bufs_pa = avf_dma_addr (vm, ad, ad->arq_bufs);
366 for (i = 0; i < AVF_MBOX_LEN; i++)
367 avf_arq_slot_init (ad, i);
369 pa = avf_dma_addr (vm, ad, ad->arq);
371 avf_reg_write (ad, AVF_ARQH, 0); /* Head */
372 avf_reg_write (ad, AVF_ARQT, 0); /* Head */
373 avf_reg_write (ad, AVF_ARQLEN, AVF_MBOX_LEN | (1ULL << 31)); /* len & ena */
374 avf_reg_write (ad, AVF_ARQBAL, (u32) pa); /* Base Address Low */
375 avf_reg_write (ad, AVF_ARQBAH, (u32) (pa >> 32)); /* Base Address High */
376 avf_reg_write (ad, AVF_ARQT, AVF_MBOX_LEN - 1); /* Tail */
378 ad->atq_next_slot = 0;
379 ad->arq_next_slot = 0;
383 avf_send_to_pf (vlib_main_t * vm, avf_device_t * ad, virtchnl_ops_t op,
384 void *in, int in_len, void *out, int out_len)
387 avf_aq_desc_t *d, dt = {.opcode = 0x801,.v_opcode = op };
392 /* suppress interrupt in the next adminq receive slot
393 as we are going to wait for response
394 we only need interrupts when event is received */
395 d = &ad->arq[ad->arq_next_slot];
396 d->flags |= AVF_AQ_F_SI;
398 if ((err = avf_aq_desc_enq (vm, ad, &dt, in, in_len)))
402 head = avf_get_u32 (ad->bar0, AVF_ARQH);
404 if (ad->arq_next_slot == head)
407 return clib_error_return (0, "timeout");
408 vlib_process_suspend (vm, 10e-3);
412 d = &ad->arq[ad->arq_next_slot];
414 if (d->v_opcode == VIRTCHNL_OP_EVENT)
416 void *buf = ad->arq_bufs + ad->arq_next_slot * AVF_MBOX_BUF_SZ;
417 virtchnl_pf_event_t *e;
419 if ((d->datalen != sizeof (virtchnl_pf_event_t)) ||
420 ((d->flags & AVF_AQ_F_BUF) == 0))
421 return clib_error_return (0, "event message error");
423 vec_add2 (ad->events, e, 1);
424 clib_memcpy_fast (e, buf, sizeof (virtchnl_pf_event_t));
425 avf_arq_slot_init (ad, ad->arq_next_slot);
431 if (d->v_opcode != op)
434 clib_error_return (0,
435 "unexpected message receiver [v_opcode = %u, "
436 "expected %u, v_retval %d]", d->v_opcode, op,
443 err = clib_error_return (0, "error [v_opcode = %u, v_retval %d]",
444 d->v_opcode, d->v_retval);
448 if (d->flags & AVF_AQ_F_BUF)
450 void *buf = ad->arq_bufs + ad->arq_next_slot * AVF_MBOX_BUF_SZ;
451 clib_memcpy_fast (out, buf, out_len);
454 avf_arq_slot_init (ad, ad->arq_next_slot);
455 avf_reg_write (ad, AVF_ARQT, ad->arq_next_slot);
457 ad->arq_next_slot = (ad->arq_next_slot + 1) % AVF_MBOX_LEN;
461 if (ad->flags & AVF_DEVICE_F_ELOG)
464 ELOG_TYPE_DECLARE (el) =
466 .format = "avf[%d] send to pf: v_opcode %s (%d) v_retval 0x%x",
467 .format_args = "i4t4i4i4",
468 .n_enum_strings = VIRTCHNL_N_OPS,
470 #define _(v, n) [v] = #n,
482 ed = ELOG_DATA (&vm->elog_main, el);
483 ed->dev_instance = ad->dev_instance;
485 ed->v_opcode_val = op;
486 ed->v_retval = d->v_retval;
493 avf_op_version (vlib_main_t * vm, avf_device_t * ad,
494 virtchnl_version_info_t * ver)
496 clib_error_t *err = 0;
497 virtchnl_version_info_t myver = {
498 .major = VIRTCHNL_VERSION_MAJOR,
499 .minor = VIRTCHNL_VERSION_MINOR,
502 avf_log_debug (ad, "version: major %u minor %u", myver.major, myver.minor);
504 err = avf_send_to_pf (vm, ad, VIRTCHNL_OP_VERSION, &myver,
505 sizeof (virtchnl_version_info_t), ver,
506 sizeof (virtchnl_version_info_t));
515 avf_op_get_vf_resources (vlib_main_t * vm, avf_device_t * ad,
516 virtchnl_vf_resource_t * res)
518 clib_error_t *err = 0;
519 u32 bitmap = (VIRTCHNL_VF_OFFLOAD_L2 | VIRTCHNL_VF_OFFLOAD_RSS_PF |
520 VIRTCHNL_VF_OFFLOAD_WB_ON_ITR | VIRTCHNL_VF_OFFLOAD_VLAN |
521 VIRTCHNL_VF_OFFLOAD_RX_POLLING);
523 avf_log_debug (ad, "get_vf_reqources: bitmap 0x%x", bitmap);
524 err = avf_send_to_pf (vm, ad, VIRTCHNL_OP_GET_VF_RESOURCES, &bitmap,
525 sizeof (u32), res, sizeof (virtchnl_vf_resource_t));
530 avf_log_debug (ad, "get_vf_reqources: num_vsis %u num_queue_pairs %u "
531 "max_vectors %u max_mtu %u vf_offload_flags 0x%04x "
532 "rss_key_size %u rss_lut_size %u",
533 res->num_vsis, res->num_queue_pairs, res->max_vectors,
534 res->max_mtu, res->vf_offload_flags, res->rss_key_size,
536 for (i = 0; i < res->num_vsis; i++)
537 avf_log_debug (ad, "get_vf_reqources_vsi[%u]: vsi_id %u "
538 "num_queue_pairs %u vsi_type %u qset_handle %u "
539 "default_mac_addr %U", i,
540 res->vsi_res[i].vsi_id,
541 res->vsi_res[i].num_queue_pairs,
542 res->vsi_res[i].vsi_type,
543 res->vsi_res[i].qset_handle,
544 format_ethernet_address,
545 res->vsi_res[i].default_mac_addr);
552 avf_op_config_rss_lut (vlib_main_t * vm, avf_device_t * ad)
554 int msg_len = sizeof (virtchnl_rss_lut_t) + ad->rss_lut_size - 1;
557 virtchnl_rss_lut_t *rl;
559 clib_memset (msg, 0, msg_len);
560 rl = (virtchnl_rss_lut_t *) msg;
561 rl->vsi_id = ad->vsi_id;
562 rl->lut_entries = ad->rss_lut_size;
563 for (i = 0; i < ad->rss_lut_size; i++)
564 rl->lut[i] = i % ad->n_rx_queues;
566 avf_log_debug (ad, "config_rss_lut: vsi_id %u rss_lut_size %u lut %U",
567 rl->vsi_id, rl->lut_entries, format_hex_bytes, rl->lut,
570 return avf_send_to_pf (vm, ad, VIRTCHNL_OP_CONFIG_RSS_LUT, msg, msg_len, 0,
575 avf_op_config_rss_key (vlib_main_t * vm, avf_device_t * ad)
577 int msg_len = sizeof (virtchnl_rss_key_t) + ad->rss_key_size - 1;
580 virtchnl_rss_key_t *rk;
582 clib_memset (msg, 0, msg_len);
583 rk = (virtchnl_rss_key_t *) msg;
584 rk->vsi_id = ad->vsi_id;
585 rk->key_len = ad->rss_key_size;
586 u32 seed = random_default_seed ();
587 for (i = 0; i < ad->rss_key_size; i++)
588 rk->key[i] = (u8) random_u32 (&seed);
590 avf_log_debug (ad, "config_rss_key: vsi_id %u rss_key_size %u key %U",
591 rk->vsi_id, rk->key_len, format_hex_bytes, rk->key,
594 return avf_send_to_pf (vm, ad, VIRTCHNL_OP_CONFIG_RSS_KEY, msg, msg_len, 0,
599 avf_op_disable_vlan_stripping (vlib_main_t * vm, avf_device_t * ad)
601 avf_log_debug (ad, "disable_vlan_stripping");
603 return avf_send_to_pf (vm, ad, VIRTCHNL_OP_DISABLE_VLAN_STRIPPING, 0, 0, 0,
608 avf_config_promisc_mode (vlib_main_t * vm, avf_device_t * ad)
610 virtchnl_promisc_info_t pi = { 0 };
612 pi.vsi_id = ad->vsi_id;
613 pi.flags = FLAG_VF_UNICAST_PROMISC | FLAG_VF_MULTICAST_PROMISC;
615 avf_log_debug (ad, "config_promisc_mode: unicast %s multicast %s",
616 pi.flags & FLAG_VF_UNICAST_PROMISC ? "on" : "off",
617 pi.flags & FLAG_VF_MULTICAST_PROMISC ? "on" : "off");
619 return avf_send_to_pf (vm, ad, VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE, &pi,
620 sizeof (virtchnl_promisc_info_t), 0, 0);
625 avf_op_config_vsi_queues (vlib_main_t * vm, avf_device_t * ad)
628 int n_qp = clib_max (vec_len (ad->rxqs), vec_len (ad->txqs));
629 int msg_len = sizeof (virtchnl_vsi_queue_config_info_t) + n_qp *
630 sizeof (virtchnl_queue_pair_info_t);
632 virtchnl_vsi_queue_config_info_t *ci;
634 clib_memset (msg, 0, msg_len);
635 ci = (virtchnl_vsi_queue_config_info_t *) msg;
636 ci->vsi_id = ad->vsi_id;
637 ci->num_queue_pairs = n_qp;
639 avf_log_debug (ad, "config_vsi_queues: vsi_id %u num_queue_pairs %u",
640 ad->vsi_id, ci->num_queue_pairs);
642 for (i = 0; i < n_qp; i++)
644 virtchnl_txq_info_t *txq = &ci->qpair[i].txq;
645 virtchnl_rxq_info_t *rxq = &ci->qpair[i].rxq;
647 rxq->vsi_id = ad->vsi_id;
649 rxq->max_pkt_size = ETHERNET_MAX_PACKET_BYTES;
650 if (i < vec_len (ad->rxqs))
652 avf_rxq_t *q = vec_elt_at_index (ad->rxqs, i);
653 rxq->ring_len = q->size;
654 rxq->databuffer_size = vlib_buffer_get_default_data_size (vm);
655 rxq->dma_ring_addr = avf_dma_addr (vm, ad, (void *) q->descs);
656 avf_reg_write (ad, AVF_QRX_TAIL (i), q->size - 1);
658 avf_log_debug (ad, "config_vsi_queues_rx[%u]: max_pkt_size %u "
659 "ring_len %u databuffer_size %u dma_ring_addr 0x%llx",
660 i, rxq->max_pkt_size, rxq->ring_len,
661 rxq->databuffer_size, rxq->dma_ring_addr);
663 avf_txq_t *q = vec_elt_at_index (ad->txqs, i);
664 txq->vsi_id = ad->vsi_id;
665 if (i < vec_len (ad->txqs))
668 txq->ring_len = q->size;
669 txq->dma_ring_addr = avf_dma_addr (vm, ad, (void *) q->descs);
671 avf_log_debug (ad, "config_vsi_queues_tx[%u]: ring_len %u "
672 "dma_ring_addr 0x%llx", i, txq->ring_len,
676 return avf_send_to_pf (vm, ad, VIRTCHNL_OP_CONFIG_VSI_QUEUES, msg, msg_len,
681 avf_op_config_irq_map (vlib_main_t * vm, avf_device_t * ad)
684 int msg_len = sizeof (virtchnl_irq_map_info_t) +
685 count * sizeof (virtchnl_vector_map_t);
687 virtchnl_irq_map_info_t *imi;
689 clib_memset (msg, 0, msg_len);
690 imi = (virtchnl_irq_map_info_t *) msg;
691 imi->num_vectors = count;
693 imi->vecmap[0].vector_id = 1;
694 imi->vecmap[0].vsi_id = ad->vsi_id;
695 imi->vecmap[0].rxq_map = 1;
697 avf_log_debug (ad, "config_irq_map: vsi_id %u vector_id %u rxq_map %u",
698 ad->vsi_id, imi->vecmap[0].vector_id,
699 imi->vecmap[0].rxq_map);
701 return avf_send_to_pf (vm, ad, VIRTCHNL_OP_CONFIG_IRQ_MAP, msg, msg_len, 0,
706 avf_op_add_eth_addr (vlib_main_t * vm, avf_device_t * ad, u8 count, u8 * macs)
709 sizeof (virtchnl_ether_addr_list_t) +
710 count * sizeof (virtchnl_ether_addr_t);
712 virtchnl_ether_addr_list_t *al;
715 clib_memset (msg, 0, msg_len);
716 al = (virtchnl_ether_addr_list_t *) msg;
717 al->vsi_id = ad->vsi_id;
718 al->num_elements = count;
720 avf_log_debug (ad, "add_eth_addr: vsi_id %u num_elements %u",
721 ad->vsi_id, al->num_elements);
723 for (i = 0; i < count; i++)
725 clib_memcpy_fast (&al->list[i].addr, macs + i * 6, 6);
726 avf_log_debug (ad, "add_eth_addr[%u]: %U", i,
727 format_ethernet_address, &al->list[i].addr);
729 return avf_send_to_pf (vm, ad, VIRTCHNL_OP_ADD_ETH_ADDR, msg, msg_len, 0,
734 avf_op_enable_queues (vlib_main_t * vm, avf_device_t * ad, u32 rx, u32 tx)
736 virtchnl_queue_select_t qs = { 0 };
738 qs.vsi_id = ad->vsi_id;
742 avf_log_debug (ad, "enable_queues: vsi_id %u rx_queues %u tx_queues %u",
743 ad->vsi_id, qs.rx_queues, qs.tx_queues);
749 avf_rxq_t *rxq = vec_elt_at_index (ad->rxqs, i);
750 avf_reg_write (ad, AVF_QRX_TAIL (i), rxq->n_enqueued);
755 return avf_send_to_pf (vm, ad, VIRTCHNL_OP_ENABLE_QUEUES, &qs,
756 sizeof (virtchnl_queue_select_t), 0, 0);
760 avf_op_get_stats (vlib_main_t * vm, avf_device_t * ad,
761 virtchnl_eth_stats_t * es)
763 virtchnl_queue_select_t qs = { 0 };
764 qs.vsi_id = ad->vsi_id;
766 avf_log_debug (ad, "get_stats: vsi_id %u", ad->vsi_id);
768 return avf_send_to_pf (vm, ad, VIRTCHNL_OP_GET_STATS,
769 &qs, sizeof (virtchnl_queue_select_t),
770 es, sizeof (virtchnl_eth_stats_t));
774 avf_device_reset (vlib_main_t * vm, avf_device_t * ad)
776 avf_aq_desc_t d = { 0 };
781 avf_log_debug (ad, "reset");
784 d.v_opcode = VIRTCHNL_OP_RESET_VF;
785 if ((error = avf_aq_desc_enq (vm, ad, &d, 0, 0)))
789 vlib_process_suspend (vm, 10e-3);
790 rstat = avf_get_u32 (ad->bar0, AVFGEN_RSTAT);
792 if (rstat == 2 || rstat == 3)
797 avf_log_err (ad, "reset failed");
798 return clib_error_return (0, "reset failed (timeout)");
805 avf_request_queues (vlib_main_t * vm, avf_device_t * ad, u16 num_queue_pairs)
807 virtchnl_vf_res_request_t res_req = { 0 };
812 res_req.num_queue_pairs = num_queue_pairs;
814 avf_log_debug (ad, "request_queues: num_queue_pairs %u", num_queue_pairs);
816 error = avf_send_to_pf (vm, ad, VIRTCHNL_OP_REQUEST_QUEUES, &res_req,
817 sizeof (virtchnl_vf_res_request_t), &res_req,
818 sizeof (virtchnl_vf_res_request_t));
821 * if PF responds, the request failed
822 * else PF initializes restart and avf_send_to_pf returns an error
826 return clib_error_return (0, "requested more than %u queue pairs",
827 res_req.num_queue_pairs);
831 vlib_process_suspend (vm, 10e-3);
832 rstat = avf_get_u32 (ad->bar0, AVFGEN_RSTAT);
834 if ((rstat == VIRTCHNL_VFR_COMPLETED) || (rstat == VIRTCHNL_VFR_VFACTIVE))
838 return clib_error_return (0, "reset failed (timeout)");
847 avf_device_init (vlib_main_t * vm, avf_main_t * am, avf_device_t * ad,
848 avf_create_if_args_t * args)
850 virtchnl_version_info_t ver = { 0 };
851 virtchnl_vf_resource_t res = { 0 };
853 vlib_thread_main_t *tm = vlib_get_thread_main ();
856 avf_adminq_init (vm, ad);
858 /* request more queues only if we need them */
859 if ((error = avf_request_queues (vm, ad, tm->n_vlib_mains)))
861 /* we failed to get more queues, but still we want to proceed */
862 clib_error_free (error);
864 if ((error = avf_device_reset (vm, ad)))
868 avf_adminq_init (vm, ad);
873 if ((error = avf_op_version (vm, ad, &ver)))
876 if (ver.major != VIRTCHNL_VERSION_MAJOR ||
877 ver.minor != VIRTCHNL_VERSION_MINOR)
878 return clib_error_return (0, "incompatible protocol version "
879 "(remote %d.%d)", ver.major, ver.minor);
882 * OP_GET_VF_RESOURCES
884 if ((error = avf_op_get_vf_resources (vm, ad, &res)))
887 if (res.num_vsis != 1 || res.vsi_res[0].vsi_type != VIRTCHNL_VSI_SRIOV)
888 return clib_error_return (0, "unexpected GET_VF_RESOURCE reply received");
890 ad->vsi_id = res.vsi_res[0].vsi_id;
891 ad->feature_bitmap = res.vf_offload_flags;
892 ad->num_queue_pairs = res.num_queue_pairs;
893 ad->max_vectors = res.max_vectors;
894 ad->max_mtu = res.max_mtu;
895 ad->rss_key_size = res.rss_key_size;
896 ad->rss_lut_size = res.rss_lut_size;
898 clib_memcpy_fast (ad->hwaddr, res.vsi_res[0].default_mac_addr, 6);
901 * Disable VLAN stripping
903 if ((error = avf_op_disable_vlan_stripping (vm, ad)))
906 if ((error = avf_config_promisc_mode (vm, ad)))
912 if (args->rxq_num == 0)
916 else if (args->rxq_num > ad->num_queue_pairs)
918 args->rxq_num = ad->num_queue_pairs;
919 avf_log_warn (ad, "Requested more rx queues than queue pairs available."
920 "Using %u rx queues.", args->rxq_num);
923 for (i = 0; i < args->rxq_num; i++)
924 if ((error = avf_rxq_init (vm, ad, i, args->rxq_size)))
927 for (i = 0; i < tm->n_vlib_mains; i++)
928 if ((error = avf_txq_init (vm, ad, i, args->txq_size)))
931 if ((ad->feature_bitmap & VIRTCHNL_VF_OFFLOAD_RSS_PF) &&
932 (error = avf_op_config_rss_lut (vm, ad)))
935 if ((ad->feature_bitmap & VIRTCHNL_VF_OFFLOAD_RSS_PF) &&
936 (error = avf_op_config_rss_key (vm, ad)))
939 if ((error = avf_op_config_vsi_queues (vm, ad)))
942 if ((error = avf_op_config_irq_map (vm, ad)))
945 avf_irq_0_enable (ad);
946 for (i = 0; i < ad->n_rx_queues; i++)
947 avf_irq_n_enable (ad, i);
949 if ((error = avf_op_add_eth_addr (vm, ad, 1, ad->hwaddr)))
952 if ((error = avf_op_enable_queues (vm, ad, pow2_mask (ad->n_rx_queues),
953 pow2_mask (ad->n_tx_queues))))
956 ad->flags |= AVF_DEVICE_F_INITIALIZED;
961 avf_process_one_device (vlib_main_t * vm, avf_device_t * ad, int is_irq)
963 avf_main_t *am = &avf_main;
964 vnet_main_t *vnm = vnet_get_main ();
965 virtchnl_pf_event_t *e;
968 if (ad->flags & AVF_DEVICE_F_ERROR)
971 if ((ad->flags & AVF_DEVICE_F_INITIALIZED) == 0)
974 ASSERT (ad->error == 0);
976 /* do not process device in reset state */
977 r = avf_get_u32 (ad->bar0, AVFGEN_RSTAT);
978 if (r != VIRTCHNL_VFR_VFACTIVE)
981 r = avf_get_u32 (ad->bar0, AVF_ARQLEN);
982 if ((r & 0xf0000000) != (1ULL << 31))
984 ad->error = clib_error_return (0, "arq not enabled, arqlen = 0x%x", r);
985 avf_log_err (ad, "error: %U", format_clib_error, ad->error);
989 r = avf_get_u32 (ad->bar0, AVF_ATQLEN);
990 if ((r & 0xf0000000) != (1ULL << 31))
992 ad->error = clib_error_return (0, "atq not enabled, atqlen = 0x%x", r);
993 avf_log_err (ad, "error: %U", format_clib_error, ad->error);
998 avf_op_get_stats (vm, ad, &ad->eth_stats);
1001 vec_foreach (e, ad->events)
1003 avf_log_debug (ad, "event: %s (%u) sev %d",
1004 virtchnl_event_names[e->event], e->event, e->severity);
1005 if (e->event == VIRTCHNL_EVENT_LINK_CHANGE)
1007 int link_up = e->event_data.link_event.link_status;
1008 virtchnl_link_speed_t speed = e->event_data.link_event.link_speed;
1012 avf_log_debug (ad, "event_link_change: status %d speed '%s' (%d)",
1014 speed < ARRAY_LEN (virtchnl_link_speed_str) ?
1015 virtchnl_link_speed_str[speed] : "unknown", speed);
1017 if (link_up && (ad->flags & AVF_DEVICE_F_LINK_UP) == 0)
1019 ad->flags |= AVF_DEVICE_F_LINK_UP;
1020 flags |= (VNET_HW_INTERFACE_FLAG_FULL_DUPLEX |
1021 VNET_HW_INTERFACE_FLAG_LINK_UP);
1022 if (speed == VIRTCHNL_LINK_SPEED_40GB)
1024 else if (speed == VIRTCHNL_LINK_SPEED_25GB)
1026 else if (speed == VIRTCHNL_LINK_SPEED_10GB)
1028 else if (speed == VIRTCHNL_LINK_SPEED_1GB)
1030 else if (speed == VIRTCHNL_LINK_SPEED_100MB)
1032 vnet_hw_interface_set_flags (vnm, ad->hw_if_index, flags);
1033 vnet_hw_interface_set_link_speed (vnm, ad->hw_if_index, kbps);
1034 ad->link_speed = speed;
1036 else if (!link_up && (ad->flags & AVF_DEVICE_F_LINK_UP) != 0)
1038 ad->flags &= ~AVF_DEVICE_F_LINK_UP;
1042 if (ad->flags & AVF_DEVICE_F_ELOG)
1044 ELOG_TYPE_DECLARE (el) =
1046 .format = "avf[%d] link change: link_status %d "
1048 .format_args = "i4i1i1",
1056 ed = ELOG_DATA (&vm->elog_main, el);
1057 ed->dev_instance = ad->dev_instance;
1058 ed->link_status = link_up;
1059 ed->link_speed = speed;
1064 if (ad->flags & AVF_DEVICE_F_ELOG)
1066 ELOG_TYPE_DECLARE (el) =
1068 .format = "avf[%d] unknown event: event %d severity %d",
1069 .format_args = "i4i4i1i1",
1077 ed = ELOG_DATA (&vm->elog_main, el);
1078 ed->dev_instance = ad->dev_instance;
1079 ed->event = e->event;
1080 ed->severity = e->severity;
1085 vec_reset_length (ad->events);
1090 ad->flags |= AVF_DEVICE_F_ERROR;
1091 ASSERT (ad->error != 0);
1092 vlib_log_err (am->log_class, "%U", format_clib_error, ad->error);
1096 avf_flag_change (vnet_main_t * vnm, vnet_hw_interface_t * hw, u32 flags)
1098 avf_main_t *am = &avf_main;
1099 vlib_log_warn (am->log_class, "TODO");
1104 avf_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
1106 avf_main_t *am = &avf_main;
1108 uword *event_data = 0, event_type;
1109 int enabled = 0, irq;
1110 f64 last_run_duration = 0;
1111 f64 last_periodic_time = 0;
1116 vlib_process_wait_for_event_or_clock (vm, 5.0 - last_run_duration);
1118 vlib_process_wait_for_event (vm);
1120 event_type = vlib_process_get_events (vm, &event_data);
1121 vec_reset_length (event_data);
1127 last_periodic_time = vlib_time_now (vm);
1129 case AVF_PROCESS_EVENT_START:
1132 case AVF_PROCESS_EVENT_STOP:
1135 case AVF_PROCESS_EVENT_AQ_INT:
1143 pool_foreach (ad, am->devices,
1145 avf_process_one_device (vm, ad, irq);
1148 last_run_duration = vlib_time_now (vm) - last_periodic_time;
1154 VLIB_REGISTER_NODE (avf_process_node, static) = {
1155 .function = avf_process,
1156 .type = VLIB_NODE_TYPE_PROCESS,
1157 .name = "avf-process",
1162 avf_irq_0_handler (vlib_main_t * vm, vlib_pci_dev_handle_t h, u16 line)
1164 avf_main_t *am = &avf_main;
1165 uword pd = vlib_pci_get_private_data (vm, h);
1166 avf_device_t *ad = pool_elt_at_index (am->devices, pd);
1169 icr0 = avf_reg_read (ad, AVFINT_ICR0);
1171 if (ad->flags & AVF_DEVICE_F_ELOG)
1174 ELOG_TYPE_DECLARE (el) =
1176 .format = "avf[%d] irq 0: icr0 0x%x",
1177 .format_args = "i4i4",
1186 ed = ELOG_DATA (&vm->elog_main, el);
1187 ed->dev_instance = ad->dev_instance;
1191 avf_irq_0_enable (ad);
1193 /* bit 30 - Send/Receive Admin queue interrupt indication */
1194 if (icr0 & (1 << 30))
1195 vlib_process_signal_event (vm, avf_process_node.index,
1196 AVF_PROCESS_EVENT_AQ_INT, 0);
1200 avf_irq_n_handler (vlib_main_t * vm, vlib_pci_dev_handle_t h, u16 line)
1202 vnet_main_t *vnm = vnet_get_main ();
1203 avf_main_t *am = &avf_main;
1204 uword pd = vlib_pci_get_private_data (vm, h);
1205 avf_device_t *ad = pool_elt_at_index (am->devices, pd);
1209 if (ad->flags & AVF_DEVICE_F_ELOG)
1212 ELOG_TYPE_DECLARE (el) =
1214 .format = "avf[%d] irq %d: received",
1215 .format_args = "i4i2",
1224 ed = ELOG_DATA (&vm->elog_main, el);
1225 ed->dev_instance = ad->dev_instance;
1230 if (vec_len (ad->rxqs) > qid && ad->rxqs[qid].int_mode != 0)
1231 vnet_device_input_set_interrupt_pending (vnm, ad->hw_if_index, qid);
1232 for (i = 0; i < vec_len (ad->rxqs); i++)
1233 avf_irq_n_enable (ad, i);
1237 avf_delete_if (vlib_main_t * vm, avf_device_t * ad)
1239 vnet_main_t *vnm = vnet_get_main ();
1240 avf_main_t *am = &avf_main;
1243 if (ad->hw_if_index)
1245 vnet_hw_interface_set_flags (vnm, ad->hw_if_index, 0);
1246 vnet_hw_interface_unassign_rx_thread (vnm, ad->hw_if_index, 0);
1247 ethernet_delete_interface (vnm, ad->hw_if_index);
1250 vlib_pci_device_close (vm, ad->pci_dev_handle);
1252 vlib_physmem_free (vm, ad->atq);
1253 vlib_physmem_free (vm, ad->arq);
1254 vlib_physmem_free (vm, ad->atq_bufs);
1255 vlib_physmem_free (vm, ad->arq_bufs);
1258 vec_foreach_index (i, ad->rxqs)
1260 avf_rxq_t *rxq = vec_elt_at_index (ad->rxqs, i);
1261 vlib_physmem_free (vm, (void *) rxq->descs);
1262 if (rxq->n_enqueued)
1263 vlib_buffer_free_from_ring (vm, rxq->bufs, rxq->next, rxq->size,
1265 vec_free (rxq->bufs);
1268 vec_free (ad->rxqs);
1271 vec_foreach_index (i, ad->txqs)
1273 avf_txq_t *txq = vec_elt_at_index (ad->txqs, i);
1274 vlib_physmem_free (vm, (void *) txq->descs);
1275 if (txq->n_enqueued)
1277 u16 first = (txq->next - txq->n_enqueued) & (txq->size -1);
1278 vlib_buffer_free_from_ring (vm, txq->bufs, first, txq->size,
1281 vec_free (txq->bufs);
1282 clib_ring_free (txq->rs_slots);
1285 vec_free (ad->txqs);
1286 vec_free (ad->name);
1288 clib_error_free (ad->error);
1289 clib_memset (ad, 0, sizeof (*ad));
1290 pool_put (am->devices, ad);
1294 avf_create_if (vlib_main_t * vm, avf_create_if_args_t * args)
1296 vnet_main_t *vnm = vnet_get_main ();
1297 avf_main_t *am = &avf_main;
1299 vlib_pci_dev_handle_t h;
1300 clib_error_t *error = 0;
1303 /* check input args */
1304 args->rxq_size = (args->rxq_size == 0) ? AVF_RXQ_SZ : args->rxq_size;
1305 args->txq_size = (args->txq_size == 0) ? AVF_TXQ_SZ : args->txq_size;
1307 if ((args->rxq_size & (args->rxq_size - 1))
1308 || (args->txq_size & (args->txq_size - 1)))
1310 args->rv = VNET_API_ERROR_INVALID_VALUE;
1312 clib_error_return (error, "queue size must be a power of two");
1316 pool_get (am->devices, ad);
1317 ad->dev_instance = ad - am->devices;
1318 ad->per_interface_next_index = ~0;
1319 ad->name = vec_dup (args->name);
1321 if (args->enable_elog)
1322 ad->flags |= AVF_DEVICE_F_ELOG;
1324 if ((error = vlib_pci_device_open (vm, &args->addr, avf_pci_device_ids,
1327 pool_put (am->devices, ad);
1328 args->rv = VNET_API_ERROR_INVALID_INTERFACE;
1330 clib_error_return (error, "pci-addr %U", format_vlib_pci_addr,
1334 ad->pci_dev_handle = h;
1335 ad->pci_addr = args->addr;
1336 ad->numa_node = vlib_pci_get_numa_node (vm, h);
1338 vlib_pci_set_private_data (vm, h, ad->dev_instance);
1340 if ((error = vlib_pci_bus_master_enable (vm, h)))
1343 if ((error = vlib_pci_map_region (vm, h, 0, &ad->bar0)))
1346 if ((error = vlib_pci_register_msix_handler (vm, h, 0, 1,
1347 &avf_irq_0_handler)))
1350 if ((error = vlib_pci_register_msix_handler (vm, h, 1, 1,
1351 &avf_irq_n_handler)))
1354 if ((error = vlib_pci_enable_msix_irq (vm, h, 0, 2)))
1357 ad->atq = vlib_physmem_alloc_aligned_on_numa (vm, sizeof (avf_aq_desc_t) *
1359 CLIB_CACHE_LINE_BYTES,
1363 error = vlib_physmem_last_error (vm);
1367 if ((error = vlib_pci_map_dma (vm, h, ad->atq)))
1370 ad->arq = vlib_physmem_alloc_aligned_on_numa (vm, sizeof (avf_aq_desc_t) *
1372 CLIB_CACHE_LINE_BYTES,
1376 error = vlib_physmem_last_error (vm);
1380 if ((error = vlib_pci_map_dma (vm, h, ad->arq)))
1383 ad->atq_bufs = vlib_physmem_alloc_aligned_on_numa (vm, AVF_MBOX_BUF_SZ *
1385 CLIB_CACHE_LINE_BYTES,
1387 if (ad->atq_bufs == 0)
1389 error = vlib_physmem_last_error (vm);
1393 if ((error = vlib_pci_map_dma (vm, h, ad->atq_bufs)))
1396 ad->arq_bufs = vlib_physmem_alloc_aligned_on_numa (vm, AVF_MBOX_BUF_SZ *
1398 CLIB_CACHE_LINE_BYTES,
1400 if (ad->arq_bufs == 0)
1402 error = vlib_physmem_last_error (vm);
1406 if ((error = vlib_pci_map_dma (vm, h, ad->arq_bufs)))
1409 if ((error = vlib_pci_intr_enable (vm, h)))
1412 if (vlib_pci_supports_virtual_addr_dma (vm, h))
1413 ad->flags |= AVF_DEVICE_F_VA_DMA;
1415 if ((error = avf_device_init (vm, am, ad, args)))
1418 /* create interface */
1419 error = ethernet_register_interface (vnm, avf_device_class.index,
1420 ad->dev_instance, ad->hwaddr,
1421 &ad->hw_if_index, avf_flag_change);
1426 vnet_sw_interface_t *sw = vnet_get_hw_sw_interface (vnm, ad->hw_if_index);
1427 args->sw_if_index = ad->sw_if_index = sw->sw_if_index;
1429 vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, ad->hw_if_index);
1430 hw->flags |= VNET_HW_INTERFACE_FLAG_SUPPORTS_INT_MODE;
1431 vnet_hw_interface_set_input_node (vnm, ad->hw_if_index,
1432 avf_input_node.index);
1434 for (i = 0; i < ad->n_rx_queues; i++)
1435 vnet_hw_interface_assign_rx_thread (vnm, ad->hw_if_index, i, ~0);
1437 if (pool_elts (am->devices) == 1)
1438 vlib_process_signal_event (vm, avf_process_node.index,
1439 AVF_PROCESS_EVENT_START, 0);
1444 avf_delete_if (vm, ad);
1445 args->rv = VNET_API_ERROR_INVALID_INTERFACE;
1446 args->error = clib_error_return (error, "pci-addr %U",
1447 format_vlib_pci_addr, &args->addr);
1448 avf_log_err (ad, "error: %U", format_clib_error, args->error);
1451 static clib_error_t *
1452 avf_interface_admin_up_down (vnet_main_t * vnm, u32 hw_if_index, u32 flags)
1454 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
1455 avf_main_t *am = &avf_main;
1456 avf_device_t *ad = vec_elt_at_index (am->devices, hi->dev_instance);
1457 uword is_up = (flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) != 0;
1459 if (ad->flags & AVF_DEVICE_F_ERROR)
1460 return clib_error_return (0, "device is in error state");
1464 vnet_hw_interface_set_flags (vnm, ad->hw_if_index,
1465 VNET_HW_INTERFACE_FLAG_LINK_UP);
1466 ad->flags |= AVF_DEVICE_F_ADMIN_UP;
1470 vnet_hw_interface_set_flags (vnm, ad->hw_if_index, 0);
1471 ad->flags &= ~AVF_DEVICE_F_ADMIN_UP;
1476 static clib_error_t *
1477 avf_interface_rx_mode_change (vnet_main_t * vnm, u32 hw_if_index, u32 qid,
1478 vnet_hw_interface_rx_mode mode)
1480 avf_main_t *am = &avf_main;
1481 vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index);
1482 avf_device_t *ad = pool_elt_at_index (am->devices, hw->dev_instance);
1483 avf_rxq_t *rxq = vec_elt_at_index (ad->rxqs, qid);
1485 if (mode == VNET_HW_INTERFACE_RX_MODE_POLLING)
1494 avf_set_interface_next_node (vnet_main_t * vnm, u32 hw_if_index,
1497 avf_main_t *am = &avf_main;
1498 vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index);
1499 avf_device_t *ad = pool_elt_at_index (am->devices, hw->dev_instance);
1501 /* Shut off redirection */
1502 if (node_index == ~0)
1504 ad->per_interface_next_index = node_index;
1508 ad->per_interface_next_index =
1509 vlib_node_add_next (vlib_get_main (), avf_input_node.index, node_index);
1512 static char *avf_tx_func_error_strings[] = {
1514 foreach_avf_tx_func_error
1519 VNET_DEVICE_CLASS (avf_device_class,) =
1521 .name = "Adaptive Virtual Function (AVF) interface",
1522 .format_device = format_avf_device,
1523 .format_device_name = format_avf_device_name,
1524 .admin_up_down_function = avf_interface_admin_up_down,
1525 .rx_mode_change_function = avf_interface_rx_mode_change,
1526 .rx_redirect_to_node = avf_set_interface_next_node,
1527 .tx_function_n_errors = AVF_TX_N_ERROR,
1528 .tx_function_error_strings = avf_tx_func_error_strings,
1533 avf_init (vlib_main_t * vm)
1535 avf_main_t *am = &avf_main;
1536 vlib_thread_main_t *tm = vlib_get_thread_main ();
1538 vec_validate_aligned (am->per_thread_data, tm->n_vlib_mains - 1,
1539 CLIB_CACHE_LINE_BYTES);
1541 am->log_class = vlib_log_register_class ("avf", 0);
1542 vlib_log_debug (am->log_class, "initialized");
1548 VLIB_INIT_FUNCTION (avf_init) =
1550 .runs_after = VLIB_INITS ("pci_bus_init"),
1555 * fd.io coding-style-patch-verification: ON
1558 * eval: (c-set-style "gnu")