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 32
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
53 avf_irq_0_disable (avf_device_t * ad)
55 u32 dyn_ctl0 = 0, icr0_ena = 0;
57 dyn_ctl0 |= (3 << 3); /* 11b = No ITR update */
59 avf_reg_write (ad, AVFINT_ICR0_ENA1, icr0_ena);
60 avf_reg_write (ad, AVFINT_DYN_CTL0, dyn_ctl0);
65 avf_irq_0_enable (avf_device_t * ad)
67 u32 dyn_ctl0 = 0, icr0_ena = 0;
69 icr0_ena |= (1 << 30); /* [30] Admin Queue Enable */
71 dyn_ctl0 |= (1 << 0); /* [0] Interrupt Enable */
72 dyn_ctl0 |= (1 << 1); /* [1] Clear PBA */
73 //dyn_ctl0 |= (3 << 3); /* [4:3] ITR Index, 11b = No ITR update */
74 dyn_ctl0 |= ((AVF_ITR_INT / 2) << 5); /* [16:5] ITR Interval in 2us steps */
76 avf_irq_0_disable (ad);
77 avf_reg_write (ad, AVFINT_ICR0_ENA1, icr0_ena);
78 avf_reg_write (ad, AVFINT_DYN_CTL0, dyn_ctl0);
83 avf_irq_n_disable (avf_device_t * ad, u8 line)
87 avf_reg_write (ad, AVFINT_DYN_CTLN (line), dyn_ctln);
92 avf_irq_n_enable (avf_device_t * ad, u8 line)
96 dyn_ctln |= (1 << 0); /* [0] Interrupt Enable */
97 dyn_ctln |= (1 << 1); /* [1] Clear PBA */
98 dyn_ctln |= ((AVF_ITR_INT / 2) << 5); /* [16:5] ITR Interval in 2us steps */
100 avf_irq_n_disable (ad, line);
101 avf_reg_write (ad, AVFINT_DYN_CTLN (line), dyn_ctln);
107 avf_aq_desc_enq (vlib_main_t * vm, avf_device_t * ad, avf_aq_desc_t * dt,
110 clib_error_t *err = 0;
111 avf_aq_desc_t *d, dc;
112 f64 t0, suspend_time = AVF_AQ_ENQ_SUSPEND_TIME;
114 d = &ad->atq[ad->atq_next_slot];
115 clib_memcpy_fast (d, dt, sizeof (avf_aq_desc_t));
116 d->flags |= AVF_AQ_F_RD | AVF_AQ_F_SI;
122 pa = ad->atq_bufs_pa + ad->atq_next_slot * AVF_MBOX_BUF_SZ;
123 d->addr_hi = (u32) (pa >> 32);
124 d->addr_lo = (u32) pa;
125 clib_memcpy_fast (ad->atq_bufs + ad->atq_next_slot * AVF_MBOX_BUF_SZ,
127 d->flags |= AVF_AQ_F_BUF;
130 if (ad->flags & AVF_DEVICE_F_ELOG)
131 clib_memcpy_fast (&dc, d, sizeof (avf_aq_desc_t));
133 CLIB_MEMORY_BARRIER ();
134 ad->atq_next_slot = (ad->atq_next_slot + 1) % AVF_MBOX_LEN;
135 avf_reg_write (ad, AVF_ATQT, ad->atq_next_slot);
138 t0 = vlib_time_now (vm);
140 vlib_process_suspend (vm, suspend_time);
142 if (((d->flags & AVF_AQ_F_DD) == 0) || ((d->flags & AVF_AQ_F_CMP) == 0))
144 f64 t = vlib_time_now (vm) - t0;
145 if (t > AVF_AQ_ENQ_MAX_WAIT_TIME)
147 avf_log_err (ad, "aq_desc_enq failed (timeout %.3fs)", t);
148 err = clib_error_return (0, "adminq enqueue timeout [opcode 0x%x]",
156 clib_memcpy_fast (dt, d, sizeof (avf_aq_desc_t));
157 if (d->flags & AVF_AQ_F_ERR)
158 return clib_error_return (0, "adminq enqueue error [opcode 0x%x, retval "
159 "%d]", d->opcode, d->retval);
162 if (ad->flags & AVF_DEVICE_F_ELOG)
165 ELOG_TYPE_DECLARE (el) =
167 .format = "avf[%d] aq enq: s_flags 0x%x r_flags 0x%x opcode 0x%x "
168 "datalen %d retval %d",
169 .format_args = "i4i2i2i2i2i2",
180 ed = ELOG_DATA (&vm->elog_main, el);
181 ed->dev_instance = ad->dev_instance;
182 ed->s_flags = dc.flags;
183 ed->r_flags = d->flags;
184 ed->opcode = dc.opcode;
185 ed->datalen = dc.datalen;
186 ed->retval = d->retval;
194 avf_cmd_rx_ctl_reg_write (vlib_main_t * vm, avf_device_t * ad, u32 reg,
198 avf_aq_desc_t d = {.opcode = 0x207,.param1 = reg,.param3 = val };
199 err = avf_aq_desc_enq (vm, ad, &d, 0, 0);
201 if (ad->flags & AVF_DEVICE_F_ELOG)
204 ELOG_TYPE_DECLARE (el) =
206 .format = "avf[%d] rx ctl reg write: reg 0x%x val 0x%x ",
207 .format_args = "i4i4i4",
215 ed = ELOG_DATA (&vm->elog_main, el);
216 ed->dev_instance = ad->dev_instance;
225 avf_rxq_init (vlib_main_t * vm, avf_device_t * ad, u16 qid, u16 rxq_size)
231 vec_validate_aligned (ad->rxqs, qid, CLIB_CACHE_LINE_BYTES);
232 rxq = vec_elt_at_index (ad->rxqs, qid);
233 rxq->size = rxq_size;
235 rxq->descs = vlib_physmem_alloc_aligned_on_numa (vm, rxq->size *
236 sizeof (avf_rx_desc_t),
237 2 * CLIB_CACHE_LINE_BYTES,
240 rxq->buffer_pool_index =
241 vlib_buffer_pool_get_default_for_numa (vm, ad->numa_node);
244 return vlib_physmem_last_error (vm);
246 if ((err = vlib_pci_map_dma (vm, ad->pci_dev_handle, (void *) rxq->descs)))
249 clib_memset ((void *) rxq->descs, 0, rxq->size * sizeof (avf_rx_desc_t));
250 vec_validate_aligned (rxq->bufs, rxq->size, CLIB_CACHE_LINE_BYTES);
251 rxq->qrx_tail = ad->bar0 + AVF_QRX_TAIL (qid);
253 n_alloc = vlib_buffer_alloc_from_pool (vm, rxq->bufs, rxq->size - 8,
254 rxq->buffer_pool_index);
257 return clib_error_return (0, "buffer allocation error");
259 rxq->n_enqueued = n_alloc;
260 avf_rx_desc_t *d = rxq->descs;
261 for (i = 0; i < n_alloc; i++)
263 vlib_buffer_t *b = vlib_get_buffer (vm, rxq->bufs[i]);
264 if (ad->flags & AVF_DEVICE_F_VA_DMA)
265 d->qword[0] = vlib_buffer_get_va (b);
267 d->qword[0] = vlib_buffer_get_pa (vm, b);
271 ad->n_rx_queues = clib_min (ad->num_queue_pairs, qid + 1);
276 avf_txq_init (vlib_main_t * vm, avf_device_t * ad, u16 qid, u16 txq_size)
281 if (qid >= ad->num_queue_pairs)
283 qid = qid % ad->num_queue_pairs;
284 txq = vec_elt_at_index (ad->txqs, qid);
286 clib_spinlock_init (&txq->lock);
287 ad->flags |= AVF_DEVICE_F_SHARED_TXQ_LOCK;
291 vec_validate_aligned (ad->txqs, qid, CLIB_CACHE_LINE_BYTES);
292 txq = vec_elt_at_index (ad->txqs, qid);
293 txq->size = txq_size;
295 txq->descs = vlib_physmem_alloc_aligned_on_numa (vm, txq->size *
296 sizeof (avf_tx_desc_t),
297 2 * CLIB_CACHE_LINE_BYTES,
300 return vlib_physmem_last_error (vm);
302 if ((err = vlib_pci_map_dma (vm, ad->pci_dev_handle, (void *) txq->descs)))
305 vec_validate_aligned (txq->bufs, txq->size, CLIB_CACHE_LINE_BYTES);
306 txq->qtx_tail = ad->bar0 + AVF_QTX_TAIL (qid);
308 /* initialize ring of pending RS slots */
309 clib_ring_new_aligned (txq->rs_slots, 32, CLIB_CACHE_LINE_BYTES);
311 ad->n_tx_queues = clib_min (ad->num_queue_pairs, qid + 1);
319 } virtchnl_promisc_info_t;
322 avf_arq_slot_init (avf_device_t * ad, u16 slot)
325 u64 pa = ad->arq_bufs_pa + slot * AVF_MBOX_BUF_SZ;
327 clib_memset (d, 0, sizeof (avf_aq_desc_t));
328 d->flags = AVF_AQ_F_BUF;
329 d->datalen = AVF_MBOX_BUF_SZ;
330 d->addr_hi = (u32) (pa >> 32);
331 d->addr_lo = (u32) pa;
335 avf_dma_addr (vlib_main_t * vm, avf_device_t * ad, void *p)
337 return (ad->flags & AVF_DEVICE_F_VA_DMA) ?
338 pointer_to_uword (p) : vlib_physmem_get_pa (vm, p);
342 avf_adminq_init (vlib_main_t * vm, avf_device_t * ad)
347 /* VF MailBox Transmit */
348 clib_memset (ad->atq, 0, sizeof (avf_aq_desc_t) * AVF_MBOX_LEN);
349 ad->atq_bufs_pa = avf_dma_addr (vm, ad, ad->atq_bufs);
351 pa = avf_dma_addr (vm, ad, ad->atq);
352 avf_reg_write (ad, AVF_ATQT, 0); /* Tail */
353 avf_reg_write (ad, AVF_ATQH, 0); /* Head */
354 avf_reg_write (ad, AVF_ATQLEN, AVF_MBOX_LEN | (1ULL << 31)); /* len & ena */
355 avf_reg_write (ad, AVF_ATQBAL, (u32) pa); /* Base Address Low */
356 avf_reg_write (ad, AVF_ATQBAH, (u32) (pa >> 32)); /* Base Address High */
358 /* VF MailBox Receive */
359 clib_memset (ad->arq, 0, sizeof (avf_aq_desc_t) * AVF_MBOX_LEN);
360 ad->arq_bufs_pa = avf_dma_addr (vm, ad, ad->arq_bufs);
362 for (i = 0; i < AVF_MBOX_LEN; i++)
363 avf_arq_slot_init (ad, i);
365 pa = avf_dma_addr (vm, ad, ad->arq);
367 avf_reg_write (ad, AVF_ARQH, 0); /* Head */
368 avf_reg_write (ad, AVF_ARQT, 0); /* Head */
369 avf_reg_write (ad, AVF_ARQLEN, AVF_MBOX_LEN | (1ULL << 31)); /* len & ena */
370 avf_reg_write (ad, AVF_ARQBAL, (u32) pa); /* Base Address Low */
371 avf_reg_write (ad, AVF_ARQBAH, (u32) (pa >> 32)); /* Base Address High */
372 avf_reg_write (ad, AVF_ARQT, AVF_MBOX_LEN - 1); /* Tail */
374 ad->atq_next_slot = 0;
375 ad->arq_next_slot = 0;
379 avf_send_to_pf (vlib_main_t * vm, avf_device_t * ad, virtchnl_ops_t op,
380 void *in, int in_len, void *out, int out_len)
383 avf_aq_desc_t *d, dt = {.opcode = 0x801,.v_opcode = op };
385 f64 t0, suspend_time = AVF_SEND_TO_PF_SUSPEND_TIME;
387 /* suppress interrupt in the next adminq receive slot
388 as we are going to wait for response
389 we only need interrupts when event is received */
390 d = &ad->arq[ad->arq_next_slot];
391 d->flags |= AVF_AQ_F_SI;
393 if ((err = avf_aq_desc_enq (vm, ad, &dt, in, in_len)))
396 t0 = vlib_time_now (vm);
398 head = avf_get_u32 (ad->bar0, AVF_ARQH);
400 if (ad->arq_next_slot == head)
402 f64 t = vlib_time_now (vm) - t0;
403 if (t > AVF_SEND_TO_PF_MAX_WAIT_TIME)
405 avf_log_err (ad, "send_to_pf failed (timeout %.3fs)", t);
406 return clib_error_return (0, "timeout");
408 vlib_process_suspend (vm, suspend_time);
413 d = &ad->arq[ad->arq_next_slot];
415 if (d->v_opcode == VIRTCHNL_OP_EVENT)
417 void *buf = ad->arq_bufs + ad->arq_next_slot * AVF_MBOX_BUF_SZ;
418 virtchnl_pf_event_t *e;
420 if ((d->datalen != sizeof (virtchnl_pf_event_t)) ||
421 ((d->flags & AVF_AQ_F_BUF) == 0))
422 return clib_error_return (0, "event message error");
424 vec_add2 (ad->events, e, 1);
425 clib_memcpy_fast (e, buf, sizeof (virtchnl_pf_event_t));
426 avf_arq_slot_init (ad, ad->arq_next_slot);
429 t0 = vlib_time_now (vm);
430 suspend_time = AVF_SEND_TO_PF_SUSPEND_TIME;
434 if (d->v_opcode != op)
437 clib_error_return (0,
438 "unexpected message receiver [v_opcode = %u, "
439 "expected %u, v_retval %d]", d->v_opcode, op,
446 err = clib_error_return (0, "error [v_opcode = %u, v_retval %d]",
447 d->v_opcode, d->v_retval);
451 if (d->flags & AVF_AQ_F_BUF)
453 void *buf = ad->arq_bufs + ad->arq_next_slot * AVF_MBOX_BUF_SZ;
454 clib_memcpy_fast (out, buf, out_len);
457 avf_arq_slot_init (ad, ad->arq_next_slot);
458 avf_reg_write (ad, AVF_ARQT, ad->arq_next_slot);
460 ad->arq_next_slot = (ad->arq_next_slot + 1) % AVF_MBOX_LEN;
464 if (ad->flags & AVF_DEVICE_F_ELOG)
467 ELOG_TYPE_DECLARE (el) =
469 .format = "avf[%d] send to pf: v_opcode %s (%d) v_retval 0x%x",
470 .format_args = "i4t4i4i4",
471 .n_enum_strings = VIRTCHNL_N_OPS,
473 #define _(v, n) [v] = #n,
485 ed = ELOG_DATA (&vm->elog_main, el);
486 ed->dev_instance = ad->dev_instance;
488 ed->v_opcode_val = op;
489 ed->v_retval = d->v_retval;
496 avf_op_version (vlib_main_t * vm, avf_device_t * ad,
497 virtchnl_version_info_t * ver)
499 clib_error_t *err = 0;
500 virtchnl_version_info_t myver = {
501 .major = VIRTCHNL_VERSION_MAJOR,
502 .minor = VIRTCHNL_VERSION_MINOR,
505 avf_log_debug (ad, "version: major %u minor %u", myver.major, myver.minor);
507 err = avf_send_to_pf (vm, ad, VIRTCHNL_OP_VERSION, &myver,
508 sizeof (virtchnl_version_info_t), ver,
509 sizeof (virtchnl_version_info_t));
518 avf_op_get_vf_resources (vlib_main_t * vm, avf_device_t * ad,
519 virtchnl_vf_resource_t * res)
521 clib_error_t *err = 0;
522 u32 bitmap = (VIRTCHNL_VF_OFFLOAD_L2 | VIRTCHNL_VF_OFFLOAD_RSS_PF |
523 VIRTCHNL_VF_OFFLOAD_WB_ON_ITR | VIRTCHNL_VF_OFFLOAD_VLAN |
524 VIRTCHNL_VF_OFFLOAD_RX_POLLING |
525 VIRTCHNL_VF_CAP_ADV_LINK_SPEED);
527 avf_log_debug (ad, "get_vf_reqources: bitmap 0x%x", bitmap);
528 err = avf_send_to_pf (vm, ad, VIRTCHNL_OP_GET_VF_RESOURCES, &bitmap,
529 sizeof (u32), res, sizeof (virtchnl_vf_resource_t));
534 avf_log_debug (ad, "get_vf_reqources: num_vsis %u num_queue_pairs %u "
535 "max_vectors %u max_mtu %u vf_offload_flags 0x%04x "
536 "rss_key_size %u rss_lut_size %u",
537 res->num_vsis, res->num_queue_pairs, res->max_vectors,
538 res->max_mtu, res->vf_offload_flags, res->rss_key_size,
540 for (i = 0; i < res->num_vsis; i++)
541 avf_log_debug (ad, "get_vf_reqources_vsi[%u]: vsi_id %u "
542 "num_queue_pairs %u vsi_type %u qset_handle %u "
543 "default_mac_addr %U", i,
544 res->vsi_res[i].vsi_id,
545 res->vsi_res[i].num_queue_pairs,
546 res->vsi_res[i].vsi_type,
547 res->vsi_res[i].qset_handle,
548 format_ethernet_address,
549 res->vsi_res[i].default_mac_addr);
556 avf_op_config_rss_lut (vlib_main_t * vm, avf_device_t * ad)
558 int msg_len = sizeof (virtchnl_rss_lut_t) + ad->rss_lut_size - 1;
561 virtchnl_rss_lut_t *rl;
563 clib_memset (msg, 0, msg_len);
564 rl = (virtchnl_rss_lut_t *) msg;
565 rl->vsi_id = ad->vsi_id;
566 rl->lut_entries = ad->rss_lut_size;
567 for (i = 0; i < ad->rss_lut_size; i++)
568 rl->lut[i] = i % ad->n_rx_queues;
570 avf_log_debug (ad, "config_rss_lut: vsi_id %u rss_lut_size %u lut 0x%U",
571 rl->vsi_id, rl->lut_entries, format_hex_bytes_no_wrap,
572 rl->lut, rl->lut_entries);
574 return avf_send_to_pf (vm, ad, VIRTCHNL_OP_CONFIG_RSS_LUT, msg, msg_len, 0,
579 avf_op_config_rss_key (vlib_main_t * vm, avf_device_t * ad)
581 int msg_len = sizeof (virtchnl_rss_key_t) + ad->rss_key_size - 1;
584 virtchnl_rss_key_t *rk;
586 clib_memset (msg, 0, msg_len);
587 rk = (virtchnl_rss_key_t *) msg;
588 rk->vsi_id = ad->vsi_id;
589 rk->key_len = ad->rss_key_size;
590 u32 seed = random_default_seed ();
591 for (i = 0; i < ad->rss_key_size; i++)
592 rk->key[i] = (u8) random_u32 (&seed);
594 avf_log_debug (ad, "config_rss_key: vsi_id %u rss_key_size %u key 0x%U",
595 rk->vsi_id, rk->key_len, format_hex_bytes_no_wrap, rk->key,
598 return avf_send_to_pf (vm, ad, VIRTCHNL_OP_CONFIG_RSS_KEY, msg, msg_len, 0,
603 avf_op_disable_vlan_stripping (vlib_main_t * vm, avf_device_t * ad)
605 avf_log_debug (ad, "disable_vlan_stripping");
607 return avf_send_to_pf (vm, ad, VIRTCHNL_OP_DISABLE_VLAN_STRIPPING, 0, 0, 0,
612 avf_config_promisc_mode (vlib_main_t * vm, avf_device_t * ad, int is_enable)
614 virtchnl_promisc_info_t pi = { 0 };
616 pi.vsi_id = ad->vsi_id;
619 pi.flags = FLAG_VF_UNICAST_PROMISC | FLAG_VF_MULTICAST_PROMISC;
621 avf_log_debug (ad, "config_promisc_mode: unicast %s multicast %s",
622 pi.flags & FLAG_VF_UNICAST_PROMISC ? "on" : "off",
623 pi.flags & FLAG_VF_MULTICAST_PROMISC ? "on" : "off");
625 return avf_send_to_pf (vm, ad, VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE, &pi,
626 sizeof (virtchnl_promisc_info_t), 0, 0);
631 avf_op_config_vsi_queues (vlib_main_t * vm, avf_device_t * ad)
634 int n_qp = clib_max (vec_len (ad->rxqs), vec_len (ad->txqs));
635 int msg_len = sizeof (virtchnl_vsi_queue_config_info_t) + n_qp *
636 sizeof (virtchnl_queue_pair_info_t);
638 virtchnl_vsi_queue_config_info_t *ci;
640 clib_memset (msg, 0, msg_len);
641 ci = (virtchnl_vsi_queue_config_info_t *) msg;
642 ci->vsi_id = ad->vsi_id;
643 ci->num_queue_pairs = n_qp;
645 avf_log_debug (ad, "config_vsi_queues: vsi_id %u num_queue_pairs %u",
646 ad->vsi_id, ci->num_queue_pairs);
648 for (i = 0; i < n_qp; i++)
650 virtchnl_txq_info_t *txq = &ci->qpair[i].txq;
651 virtchnl_rxq_info_t *rxq = &ci->qpair[i].rxq;
653 rxq->vsi_id = ad->vsi_id;
655 rxq->max_pkt_size = ETHERNET_MAX_PACKET_BYTES;
656 if (i < vec_len (ad->rxqs))
658 avf_rxq_t *q = vec_elt_at_index (ad->rxqs, i);
659 rxq->ring_len = q->size;
660 rxq->databuffer_size = vlib_buffer_get_default_data_size (vm);
661 rxq->dma_ring_addr = avf_dma_addr (vm, ad, (void *) q->descs);
662 avf_reg_write (ad, AVF_QRX_TAIL (i), q->size - 1);
664 avf_log_debug (ad, "config_vsi_queues_rx[%u]: max_pkt_size %u "
665 "ring_len %u databuffer_size %u dma_ring_addr 0x%llx",
666 i, rxq->max_pkt_size, rxq->ring_len,
667 rxq->databuffer_size, rxq->dma_ring_addr);
669 txq->vsi_id = ad->vsi_id;
671 if (i < vec_len (ad->txqs))
673 avf_txq_t *q = vec_elt_at_index (ad->txqs, i);
674 txq->ring_len = q->size;
675 txq->dma_ring_addr = avf_dma_addr (vm, ad, (void *) q->descs);
677 avf_log_debug (ad, "config_vsi_queues_tx[%u]: ring_len %u "
678 "dma_ring_addr 0x%llx", i, txq->ring_len,
682 return avf_send_to_pf (vm, ad, VIRTCHNL_OP_CONFIG_VSI_QUEUES, msg, msg_len,
687 avf_op_config_irq_map (vlib_main_t * vm, avf_device_t * ad)
690 int msg_len = sizeof (virtchnl_irq_map_info_t) +
691 count * sizeof (virtchnl_vector_map_t);
693 virtchnl_irq_map_info_t *imi;
695 clib_memset (msg, 0, msg_len);
696 imi = (virtchnl_irq_map_info_t *) msg;
697 imi->num_vectors = count;
699 imi->vecmap[0].vector_id = 1;
700 imi->vecmap[0].vsi_id = ad->vsi_id;
701 imi->vecmap[0].rxq_map = (1 << ad->n_rx_queues) - 1;
702 imi->vecmap[0].txq_map = (1 << ad->n_tx_queues) - 1;
704 avf_log_debug (ad, "config_irq_map: vsi_id %u vector_id %u rxq_map %u",
705 ad->vsi_id, imi->vecmap[0].vector_id,
706 imi->vecmap[0].rxq_map);
708 return avf_send_to_pf (vm, ad, VIRTCHNL_OP_CONFIG_IRQ_MAP, msg, msg_len, 0,
713 avf_op_add_eth_addr (vlib_main_t * vm, avf_device_t * ad, u8 count, u8 * macs)
716 sizeof (virtchnl_ether_addr_list_t) +
717 count * sizeof (virtchnl_ether_addr_t);
719 virtchnl_ether_addr_list_t *al;
722 clib_memset (msg, 0, msg_len);
723 al = (virtchnl_ether_addr_list_t *) msg;
724 al->vsi_id = ad->vsi_id;
725 al->num_elements = count;
727 avf_log_debug (ad, "add_eth_addr: vsi_id %u num_elements %u",
728 ad->vsi_id, al->num_elements);
730 for (i = 0; i < count; i++)
732 clib_memcpy_fast (&al->list[i].addr, macs + i * 6, 6);
733 avf_log_debug (ad, "add_eth_addr[%u]: %U", i,
734 format_ethernet_address, &al->list[i].addr);
736 return avf_send_to_pf (vm, ad, VIRTCHNL_OP_ADD_ETH_ADDR, msg, msg_len, 0,
741 avf_op_enable_queues (vlib_main_t * vm, avf_device_t * ad, u32 rx, u32 tx)
743 virtchnl_queue_select_t qs = { 0 };
745 qs.vsi_id = ad->vsi_id;
749 avf_log_debug (ad, "enable_queues: vsi_id %u rx_queues %u tx_queues %u",
750 ad->vsi_id, qs.rx_queues, qs.tx_queues);
756 avf_rxq_t *rxq = vec_elt_at_index (ad->rxqs, i);
757 avf_reg_write (ad, AVF_QRX_TAIL (i), rxq->n_enqueued);
762 return avf_send_to_pf (vm, ad, VIRTCHNL_OP_ENABLE_QUEUES, &qs,
763 sizeof (virtchnl_queue_select_t), 0, 0);
767 avf_op_get_stats (vlib_main_t * vm, avf_device_t * ad,
768 virtchnl_eth_stats_t * es)
770 virtchnl_queue_select_t qs = { 0 };
771 qs.vsi_id = ad->vsi_id;
773 avf_log_debug (ad, "get_stats: vsi_id %u", ad->vsi_id);
775 return avf_send_to_pf (vm, ad, VIRTCHNL_OP_GET_STATS,
776 &qs, sizeof (virtchnl_queue_select_t),
777 es, sizeof (virtchnl_eth_stats_t));
781 avf_device_reset (vlib_main_t * vm, avf_device_t * ad)
783 avf_aq_desc_t d = { 0 };
786 f64 t0, t = 0, suspend_time = AVF_RESET_SUSPEND_TIME;
788 avf_log_debug (ad, "reset");
791 d.v_opcode = VIRTCHNL_OP_RESET_VF;
792 if ((error = avf_aq_desc_enq (vm, ad, &d, 0, 0)))
795 t0 = vlib_time_now (vm);
797 vlib_process_suspend (vm, suspend_time);
799 rstat = avf_get_u32 (ad->bar0, AVFGEN_RSTAT);
801 if (rstat == 2 || rstat == 3)
803 avf_log_debug (ad, "reset completed in %.3fs", t);
807 t = vlib_time_now (vm) - t0;
808 if (t > AVF_RESET_MAX_WAIT_TIME)
810 avf_log_err (ad, "reset failed (timeout %.3fs)", t);
811 return clib_error_return (0, "reset failed (timeout)");
819 avf_request_queues (vlib_main_t * vm, avf_device_t * ad, u16 num_queue_pairs)
821 virtchnl_vf_res_request_t res_req = { 0 };
824 f64 t0, t, suspend_time = AVF_RESET_SUSPEND_TIME;
826 res_req.num_queue_pairs = num_queue_pairs;
828 avf_log_debug (ad, "request_queues: num_queue_pairs %u", num_queue_pairs);
830 error = avf_send_to_pf (vm, ad, VIRTCHNL_OP_REQUEST_QUEUES, &res_req,
831 sizeof (virtchnl_vf_res_request_t), &res_req,
832 sizeof (virtchnl_vf_res_request_t));
835 * if PF responds, the request failed
836 * else PF initializes restart and avf_send_to_pf returns an error
840 return clib_error_return (0, "requested more than %u queue pairs",
841 res_req.num_queue_pairs);
844 t0 = vlib_time_now (vm);
846 vlib_process_suspend (vm, suspend_time);
847 t = vlib_time_now (vm) - t0;
849 rstat = avf_get_u32 (ad->bar0, AVFGEN_RSTAT);
851 if ((rstat == VIRTCHNL_VFR_COMPLETED) || (rstat == VIRTCHNL_VFR_VFACTIVE))
854 if (t > AVF_RESET_MAX_WAIT_TIME)
856 avf_log_err (ad, "request queues failed (timeout %.3f seconds)", t);
857 return clib_error_return (0, "request queues failed (timeout)");
868 avf_device_init (vlib_main_t * vm, avf_main_t * am, avf_device_t * ad,
869 avf_create_if_args_t * args)
871 virtchnl_version_info_t ver = { 0 };
872 virtchnl_vf_resource_t res = { 0 };
874 vlib_thread_main_t *tm = vlib_get_thread_main ();
877 avf_adminq_init (vm, ad);
879 if ((error = avf_request_queues (vm, ad, clib_max (tm->n_vlib_mains,
882 /* we failed to get more queues, but still we want to proceed */
883 clib_error_free (error);
885 if ((error = avf_device_reset (vm, ad)))
889 avf_adminq_init (vm, ad);
894 if ((error = avf_op_version (vm, ad, &ver)))
897 if (ver.major != VIRTCHNL_VERSION_MAJOR ||
898 ver.minor != VIRTCHNL_VERSION_MINOR)
899 return clib_error_return (0, "incompatible protocol version "
900 "(remote %d.%d)", ver.major, ver.minor);
903 * OP_GET_VF_RESOURCES
905 if ((error = avf_op_get_vf_resources (vm, ad, &res)))
908 if (res.num_vsis != 1 || res.vsi_res[0].vsi_type != VIRTCHNL_VSI_SRIOV)
909 return clib_error_return (0, "unexpected GET_VF_RESOURCE reply received");
911 ad->vsi_id = res.vsi_res[0].vsi_id;
912 ad->feature_bitmap = res.vf_offload_flags;
913 ad->num_queue_pairs = res.num_queue_pairs;
914 ad->max_vectors = res.max_vectors;
915 ad->max_mtu = res.max_mtu;
916 ad->rss_key_size = res.rss_key_size;
917 ad->rss_lut_size = res.rss_lut_size;
919 clib_memcpy_fast (ad->hwaddr, res.vsi_res[0].default_mac_addr, 6);
922 * Disable VLAN stripping
924 if ((error = avf_op_disable_vlan_stripping (vm, ad)))
930 if (args->rxq_num == 0)
934 else if (args->rxq_num > ad->num_queue_pairs)
936 args->rxq_num = ad->num_queue_pairs;
937 avf_log_warn (ad, "Requested more rx queues than queue pairs available."
938 "Using %u rx queues.", args->rxq_num);
941 for (i = 0; i < args->rxq_num; i++)
942 if ((error = avf_rxq_init (vm, ad, i, args->rxq_size)))
945 for (i = 0; i < tm->n_vlib_mains; i++)
946 if ((error = avf_txq_init (vm, ad, i, args->txq_size)))
949 if ((ad->feature_bitmap & VIRTCHNL_VF_OFFLOAD_RSS_PF) &&
950 (error = avf_op_config_rss_lut (vm, ad)))
953 if ((ad->feature_bitmap & VIRTCHNL_VF_OFFLOAD_RSS_PF) &&
954 (error = avf_op_config_rss_key (vm, ad)))
957 if ((error = avf_op_config_vsi_queues (vm, ad)))
960 if ((error = avf_op_config_irq_map (vm, ad)))
963 avf_irq_0_enable (ad);
964 for (i = 0; i < ad->n_rx_queues; i++)
965 avf_irq_n_enable (ad, i);
967 if ((error = avf_op_add_eth_addr (vm, ad, 1, ad->hwaddr)))
970 if ((error = avf_op_enable_queues (vm, ad, pow2_mask (ad->n_rx_queues),
971 pow2_mask (ad->n_tx_queues))))
974 ad->flags |= AVF_DEVICE_F_INITIALIZED;
979 avf_process_one_device (vlib_main_t * vm, avf_device_t * ad, int is_irq)
981 avf_main_t *am = &avf_main;
982 vnet_main_t *vnm = vnet_get_main ();
983 virtchnl_pf_event_t *e;
986 if (ad->flags & AVF_DEVICE_F_ERROR)
989 if ((ad->flags & AVF_DEVICE_F_INITIALIZED) == 0)
992 ASSERT (ad->error == 0);
994 /* do not process device in reset state */
995 r = avf_get_u32 (ad->bar0, AVFGEN_RSTAT);
996 if (r != VIRTCHNL_VFR_VFACTIVE)
999 r = avf_get_u32 (ad->bar0, AVF_ARQLEN);
1000 if ((r & 0xf0000000) != (1ULL << 31))
1002 ad->error = clib_error_return (0, "arq not enabled, arqlen = 0x%x", r);
1003 avf_log_err (ad, "error: %U", format_clib_error, ad->error);
1007 r = avf_get_u32 (ad->bar0, AVF_ATQLEN);
1008 if ((r & 0xf0000000) != (1ULL << 31))
1010 ad->error = clib_error_return (0, "atq not enabled, atqlen = 0x%x", r);
1011 avf_log_err (ad, "error: %U", format_clib_error, ad->error);
1016 avf_op_get_stats (vm, ad, &ad->eth_stats);
1019 vec_foreach (e, ad->events)
1021 avf_log_debug (ad, "event: %s (%u) sev %d",
1022 virtchnl_event_names[e->event], e->event, e->severity);
1023 if (e->event == VIRTCHNL_EVENT_LINK_CHANGE)
1026 virtchnl_link_speed_t speed = e->event_data.link_event.link_speed;
1030 if (ad->feature_bitmap & VIRTCHNL_VF_CAP_ADV_LINK_SPEED)
1031 link_up = e->event_data.link_event_adv.link_status;
1033 link_up = e->event_data.link_event.link_status;
1035 if (ad->feature_bitmap & VIRTCHNL_VF_CAP_ADV_LINK_SPEED)
1036 mbps = e->event_data.link_event_adv.link_speed;
1037 if (speed == VIRTCHNL_LINK_SPEED_40GB)
1039 else if (speed == VIRTCHNL_LINK_SPEED_25GB)
1041 else if (speed == VIRTCHNL_LINK_SPEED_10GB)
1043 else if (speed == VIRTCHNL_LINK_SPEED_5GB)
1045 else if (speed == VIRTCHNL_LINK_SPEED_2_5GB)
1047 else if (speed == VIRTCHNL_LINK_SPEED_1GB)
1049 else if (speed == VIRTCHNL_LINK_SPEED_100MB)
1052 avf_log_debug (ad, "event_link_change: status %d speed %u mbps",
1055 if (link_up && (ad->flags & AVF_DEVICE_F_LINK_UP) == 0)
1057 ad->flags |= AVF_DEVICE_F_LINK_UP;
1058 flags |= (VNET_HW_INTERFACE_FLAG_FULL_DUPLEX |
1059 VNET_HW_INTERFACE_FLAG_LINK_UP);
1060 vnet_hw_interface_set_flags (vnm, ad->hw_if_index, flags);
1061 vnet_hw_interface_set_link_speed (vnm, ad->hw_if_index,
1063 ad->link_speed = mbps;
1065 else if (!link_up && (ad->flags & AVF_DEVICE_F_LINK_UP) != 0)
1067 ad->flags &= ~AVF_DEVICE_F_LINK_UP;
1071 if (ad->flags & AVF_DEVICE_F_ELOG)
1073 ELOG_TYPE_DECLARE (el) =
1075 .format = "avf[%d] link change: link_status %d "
1076 "link_speed %d mbps",
1077 .format_args = "i4i1i4",
1085 ed = ELOG_DATA (&vm->elog_main, el);
1086 ed->dev_instance = ad->dev_instance;
1087 ed->link_status = link_up;
1088 ed->link_speed = mbps;
1093 if (ad->flags & AVF_DEVICE_F_ELOG)
1095 ELOG_TYPE_DECLARE (el) =
1097 .format = "avf[%d] unknown event: event %d severity %d",
1098 .format_args = "i4i4i1i1",
1106 ed = ELOG_DATA (&vm->elog_main, el);
1107 ed->dev_instance = ad->dev_instance;
1108 ed->event = e->event;
1109 ed->severity = e->severity;
1114 vec_reset_length (ad->events);
1119 ad->flags |= AVF_DEVICE_F_ERROR;
1120 ASSERT (ad->error != 0);
1121 vlib_log_err (am->log_class, "%U", format_clib_error, ad->error);
1125 avf_flag_change (vnet_main_t * vnm, vnet_hw_interface_t * hw, u32 flags)
1127 vlib_main_t *vm = vlib_get_main ();
1128 avf_main_t *am = &avf_main;
1129 avf_device_t *ad = vec_elt_at_index (am->devices, hw->dev_instance);
1130 if (ETHERNET_INTERFACE_FLAG_CONFIG_PROMISC (flags))
1132 clib_error_t *error;
1133 int promisc_enabled = (flags & ETHERNET_INTERFACE_FLAG_ACCEPT_ALL) != 0;
1134 u32 new_flags = promisc_enabled ?
1135 ad->flags | AVF_DEVICE_F_PROMISC : ad->flags & ~AVF_DEVICE_F_PROMISC;
1137 if (new_flags == ad->flags)
1140 if ((error = avf_config_promisc_mode (vm, ad, promisc_enabled)))
1142 avf_log_err (ad, "%s: %U", format_clib_error, error);
1143 clib_error_free (error);
1147 ad->flags = new_flags;
1153 avf_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
1155 avf_main_t *am = &avf_main;
1157 uword *event_data = 0, event_type;
1158 int enabled = 0, irq;
1159 f64 last_run_duration = 0;
1160 f64 last_periodic_time = 0;
1165 vlib_process_wait_for_event_or_clock (vm, 5.0 - last_run_duration);
1167 vlib_process_wait_for_event (vm);
1169 event_type = vlib_process_get_events (vm, &event_data);
1170 vec_reset_length (event_data);
1176 last_periodic_time = vlib_time_now (vm);
1178 case AVF_PROCESS_EVENT_START:
1181 case AVF_PROCESS_EVENT_STOP:
1184 case AVF_PROCESS_EVENT_AQ_INT:
1192 pool_foreach (ad, am->devices,
1194 avf_process_one_device (vm, ad, irq);
1197 last_run_duration = vlib_time_now (vm) - last_periodic_time;
1203 VLIB_REGISTER_NODE (avf_process_node, static) = {
1204 .function = avf_process,
1205 .type = VLIB_NODE_TYPE_PROCESS,
1206 .name = "avf-process",
1211 avf_irq_0_handler (vlib_main_t * vm, vlib_pci_dev_handle_t h, u16 line)
1213 avf_main_t *am = &avf_main;
1214 uword pd = vlib_pci_get_private_data (vm, h);
1215 avf_device_t *ad = pool_elt_at_index (am->devices, pd);
1218 icr0 = avf_reg_read (ad, AVFINT_ICR0);
1220 if (ad->flags & AVF_DEVICE_F_ELOG)
1223 ELOG_TYPE_DECLARE (el) =
1225 .format = "avf[%d] irq 0: icr0 0x%x",
1226 .format_args = "i4i4",
1235 ed = ELOG_DATA (&vm->elog_main, el);
1236 ed->dev_instance = ad->dev_instance;
1240 avf_irq_0_enable (ad);
1242 /* bit 30 - Send/Receive Admin queue interrupt indication */
1243 if (icr0 & (1 << 30))
1244 vlib_process_signal_event (vm, avf_process_node.index,
1245 AVF_PROCESS_EVENT_AQ_INT, 0);
1249 avf_irq_n_handler (vlib_main_t * vm, vlib_pci_dev_handle_t h, u16 line)
1251 vnet_main_t *vnm = vnet_get_main ();
1252 avf_main_t *am = &avf_main;
1253 uword pd = vlib_pci_get_private_data (vm, h);
1254 avf_device_t *ad = pool_elt_at_index (am->devices, pd);
1258 if (ad->flags & AVF_DEVICE_F_ELOG)
1261 ELOG_TYPE_DECLARE (el) =
1263 .format = "avf[%d] irq %d: received",
1264 .format_args = "i4i2",
1273 ed = ELOG_DATA (&vm->elog_main, el);
1274 ed->dev_instance = ad->dev_instance;
1279 if (vec_len (ad->rxqs) > qid && ad->rxqs[qid].int_mode != 0)
1280 vnet_device_input_set_interrupt_pending (vnm, ad->hw_if_index, qid);
1281 for (i = 0; i < vec_len (ad->rxqs); i++)
1282 avf_irq_n_enable (ad, i);
1286 avf_delete_if (vlib_main_t * vm, avf_device_t * ad)
1288 vnet_main_t *vnm = vnet_get_main ();
1289 avf_main_t *am = &avf_main;
1292 if (ad->hw_if_index)
1294 vnet_hw_interface_set_flags (vnm, ad->hw_if_index, 0);
1295 vnet_hw_interface_unassign_rx_thread (vnm, ad->hw_if_index, 0);
1296 ethernet_delete_interface (vnm, ad->hw_if_index);
1299 vlib_pci_device_close (vm, ad->pci_dev_handle);
1301 vlib_physmem_free (vm, ad->atq);
1302 vlib_physmem_free (vm, ad->arq);
1303 vlib_physmem_free (vm, ad->atq_bufs);
1304 vlib_physmem_free (vm, ad->arq_bufs);
1307 vec_foreach_index (i, ad->rxqs)
1309 avf_rxq_t *rxq = vec_elt_at_index (ad->rxqs, i);
1310 vlib_physmem_free (vm, (void *) rxq->descs);
1311 if (rxq->n_enqueued)
1312 vlib_buffer_free_from_ring (vm, rxq->bufs, rxq->next, rxq->size,
1314 vec_free (rxq->bufs);
1317 vec_free (ad->rxqs);
1320 vec_foreach_index (i, ad->txqs)
1322 avf_txq_t *txq = vec_elt_at_index (ad->txqs, i);
1323 vlib_physmem_free (vm, (void *) txq->descs);
1324 if (txq->n_enqueued)
1326 u16 first = (txq->next - txq->n_enqueued) & (txq->size -1);
1327 vlib_buffer_free_from_ring (vm, txq->bufs, first, txq->size,
1330 vec_free (txq->bufs);
1331 clib_ring_free (txq->rs_slots);
1334 vec_free (ad->txqs);
1335 vec_free (ad->name);
1337 clib_error_free (ad->error);
1338 clib_memset (ad, 0, sizeof (*ad));
1339 pool_put (am->devices, ad);
1343 avf_create_if (vlib_main_t * vm, avf_create_if_args_t * args)
1345 vnet_main_t *vnm = vnet_get_main ();
1346 avf_main_t *am = &avf_main;
1348 vlib_pci_dev_handle_t h;
1349 clib_error_t *error = 0;
1352 /* check input args */
1353 args->rxq_size = (args->rxq_size == 0) ? AVF_RXQ_SZ : args->rxq_size;
1354 args->txq_size = (args->txq_size == 0) ? AVF_TXQ_SZ : args->txq_size;
1356 if ((args->rxq_size & (args->rxq_size - 1))
1357 || (args->txq_size & (args->txq_size - 1)))
1359 args->rv = VNET_API_ERROR_INVALID_VALUE;
1361 clib_error_return (error, "queue size must be a power of two");
1365 pool_get (am->devices, ad);
1366 ad->dev_instance = ad - am->devices;
1367 ad->per_interface_next_index = ~0;
1368 ad->name = vec_dup (args->name);
1370 if (args->enable_elog)
1371 ad->flags |= AVF_DEVICE_F_ELOG;
1373 if ((error = vlib_pci_device_open (vm, &args->addr, avf_pci_device_ids,
1376 pool_put (am->devices, ad);
1377 args->rv = VNET_API_ERROR_INVALID_INTERFACE;
1379 clib_error_return (error, "pci-addr %U", format_vlib_pci_addr,
1383 ad->pci_dev_handle = h;
1384 ad->pci_addr = args->addr;
1385 ad->numa_node = vlib_pci_get_numa_node (vm, h);
1387 vlib_pci_set_private_data (vm, h, ad->dev_instance);
1389 if ((error = vlib_pci_bus_master_enable (vm, h)))
1392 if ((error = vlib_pci_map_region (vm, h, 0, &ad->bar0)))
1395 if ((error = vlib_pci_register_msix_handler (vm, h, 0, 1,
1396 &avf_irq_0_handler)))
1399 if ((error = vlib_pci_register_msix_handler (vm, h, 1, 1,
1400 &avf_irq_n_handler)))
1403 if ((error = vlib_pci_enable_msix_irq (vm, h, 0, 2)))
1406 ad->atq = vlib_physmem_alloc_aligned_on_numa (vm, sizeof (avf_aq_desc_t) *
1408 CLIB_CACHE_LINE_BYTES,
1412 error = vlib_physmem_last_error (vm);
1416 if ((error = vlib_pci_map_dma (vm, h, ad->atq)))
1419 ad->arq = vlib_physmem_alloc_aligned_on_numa (vm, sizeof (avf_aq_desc_t) *
1421 CLIB_CACHE_LINE_BYTES,
1425 error = vlib_physmem_last_error (vm);
1429 if ((error = vlib_pci_map_dma (vm, h, ad->arq)))
1432 ad->atq_bufs = vlib_physmem_alloc_aligned_on_numa (vm, AVF_MBOX_BUF_SZ *
1434 CLIB_CACHE_LINE_BYTES,
1436 if (ad->atq_bufs == 0)
1438 error = vlib_physmem_last_error (vm);
1442 if ((error = vlib_pci_map_dma (vm, h, ad->atq_bufs)))
1445 ad->arq_bufs = vlib_physmem_alloc_aligned_on_numa (vm, AVF_MBOX_BUF_SZ *
1447 CLIB_CACHE_LINE_BYTES,
1449 if (ad->arq_bufs == 0)
1451 error = vlib_physmem_last_error (vm);
1455 if ((error = vlib_pci_map_dma (vm, h, ad->arq_bufs)))
1458 if ((error = vlib_pci_intr_enable (vm, h)))
1461 if (vlib_pci_supports_virtual_addr_dma (vm, h))
1462 ad->flags |= AVF_DEVICE_F_VA_DMA;
1464 if ((error = avf_device_init (vm, am, ad, args)))
1467 /* create interface */
1468 error = ethernet_register_interface (vnm, avf_device_class.index,
1469 ad->dev_instance, ad->hwaddr,
1470 &ad->hw_if_index, avf_flag_change);
1475 vnet_sw_interface_t *sw = vnet_get_hw_sw_interface (vnm, ad->hw_if_index);
1476 args->sw_if_index = ad->sw_if_index = sw->sw_if_index;
1478 vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, ad->hw_if_index);
1479 hw->flags |= VNET_HW_INTERFACE_FLAG_SUPPORTS_INT_MODE;
1480 vnet_hw_interface_set_input_node (vnm, ad->hw_if_index,
1481 avf_input_node.index);
1483 for (i = 0; i < ad->n_rx_queues; i++)
1484 vnet_hw_interface_assign_rx_thread (vnm, ad->hw_if_index, i, ~0);
1486 if (pool_elts (am->devices) == 1)
1487 vlib_process_signal_event (vm, avf_process_node.index,
1488 AVF_PROCESS_EVENT_START, 0);
1493 avf_delete_if (vm, ad);
1494 args->rv = VNET_API_ERROR_INVALID_INTERFACE;
1495 args->error = clib_error_return (error, "pci-addr %U",
1496 format_vlib_pci_addr, &args->addr);
1497 avf_log_err (ad, "error: %U", format_clib_error, args->error);
1500 static clib_error_t *
1501 avf_interface_admin_up_down (vnet_main_t * vnm, u32 hw_if_index, u32 flags)
1503 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
1504 avf_main_t *am = &avf_main;
1505 avf_device_t *ad = vec_elt_at_index (am->devices, hi->dev_instance);
1506 uword is_up = (flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) != 0;
1508 if (ad->flags & AVF_DEVICE_F_ERROR)
1509 return clib_error_return (0, "device is in error state");
1513 vnet_hw_interface_set_flags (vnm, ad->hw_if_index,
1514 VNET_HW_INTERFACE_FLAG_LINK_UP);
1515 ad->flags |= AVF_DEVICE_F_ADMIN_UP;
1519 vnet_hw_interface_set_flags (vnm, ad->hw_if_index, 0);
1520 ad->flags &= ~AVF_DEVICE_F_ADMIN_UP;
1525 static clib_error_t *
1526 avf_interface_rx_mode_change (vnet_main_t * vnm, u32 hw_if_index, u32 qid,
1527 vnet_hw_interface_rx_mode mode)
1529 avf_main_t *am = &avf_main;
1530 vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index);
1531 avf_device_t *ad = pool_elt_at_index (am->devices, hw->dev_instance);
1532 avf_rxq_t *rxq = vec_elt_at_index (ad->rxqs, qid);
1534 if (mode == VNET_HW_INTERFACE_RX_MODE_POLLING)
1543 avf_set_interface_next_node (vnet_main_t * vnm, u32 hw_if_index,
1546 avf_main_t *am = &avf_main;
1547 vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index);
1548 avf_device_t *ad = pool_elt_at_index (am->devices, hw->dev_instance);
1550 /* Shut off redirection */
1551 if (node_index == ~0)
1553 ad->per_interface_next_index = node_index;
1557 ad->per_interface_next_index =
1558 vlib_node_add_next (vlib_get_main (), avf_input_node.index, node_index);
1561 static char *avf_tx_func_error_strings[] = {
1563 foreach_avf_tx_func_error
1568 avf_clear_hw_interface_counters (u32 instance)
1570 avf_main_t *am = &avf_main;
1571 avf_device_t *ad = vec_elt_at_index (am->devices, instance);
1572 clib_memcpy_fast (&ad->last_cleared_eth_stats,
1573 &ad->eth_stats, sizeof (ad->eth_stats));
1577 VNET_DEVICE_CLASS (avf_device_class,) =
1579 .name = "Adaptive Virtual Function (AVF) interface",
1580 .clear_counters = avf_clear_hw_interface_counters,
1581 .format_device = format_avf_device,
1582 .format_device_name = format_avf_device_name,
1583 .admin_up_down_function = avf_interface_admin_up_down,
1584 .rx_mode_change_function = avf_interface_rx_mode_change,
1585 .rx_redirect_to_node = avf_set_interface_next_node,
1586 .tx_function_n_errors = AVF_TX_N_ERROR,
1587 .tx_function_error_strings = avf_tx_func_error_strings,
1592 avf_init (vlib_main_t * vm)
1594 avf_main_t *am = &avf_main;
1595 vlib_thread_main_t *tm = vlib_get_thread_main ();
1597 vec_validate_aligned (am->per_thread_data, tm->n_vlib_mains - 1,
1598 CLIB_CACHE_LINE_BYTES);
1600 am->log_class = vlib_log_register_class ("avf", 0);
1601 vlib_log_debug (am->log_class, "initialized");
1607 VLIB_INIT_FUNCTION (avf_init) =
1609 .runs_after = VLIB_INITS ("pci_bus_init"),
1614 * fd.io coding-style-patch-verification: ON
1617 * eval: (c-set-style "gnu")