2 * Copyright (c) 2015 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
15 #include <vnet/vnet.h>
16 #include <vppinfra/vec.h>
17 #include <vppinfra/error.h>
18 #include <vppinfra/format.h>
19 #include <vppinfra/bitmap.h>
21 #include <vnet/ethernet/ethernet.h>
22 #include <vnet/devices/dpdk/dpdk.h>
23 #include <vlib/unix/physmem.h>
24 #include <vlib/pci/pci.h>
30 #include <sys/mount.h>
34 #include "dpdk_priv.h"
36 dpdk_main_t dpdk_main;
38 /* force linker to link functions used by vlib and declared weak */
39 void *vlib_weakly_linked_functions[] = {
41 &rte_pktmbuf_pool_init,
44 #define LINK_STATE_ELOGS 0
46 #define DEFAULT_HUGE_DIR "/run/vpp/hugepages"
47 #define VPP_RUN_DIR "/run/vpp"
49 /* Port configuration, mildly modified Intel app values */
51 static struct rte_eth_conf port_conf_template = {
54 .header_split = 0, /**< Header Split disabled */
55 .hw_ip_checksum = 0, /**< IP checksum offload disabled */
56 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
57 .hw_strip_crc = 0, /**< CRC stripped by hardware */
60 .mq_mode = ETH_MQ_TX_NONE,
65 dpdk_port_setup (dpdk_main_t * dm, dpdk_device_t * xd)
67 vlib_main_t * vm = vlib_get_main();
68 vlib_buffer_main_t * bm = vm->buffer_main;
72 ASSERT(os_get_cpu_number() == 0);
75 vnet_hw_interface_set_flags (dm->vnet_main, xd->vlib_hw_if_index, 0);
76 rte_eth_dev_stop (xd->device_index);
79 rv = rte_eth_dev_configure (xd->device_index, xd->rx_q_used,
80 xd->tx_q_used, &xd->port_conf);
83 return clib_error_return (0, "rte_eth_dev_configure[%d]: err %d",
84 xd->device_index, rv);
86 /* Set up one TX-queue per worker thread */
87 for (j = 0; j < xd->tx_q_used; j++)
89 rv = rte_eth_tx_queue_setup(xd->device_index, j, xd->nb_tx_desc,
90 xd->cpu_socket, &xd->tx_conf);
92 /* retry with any other CPU socket */
94 rv = rte_eth_tx_queue_setup(xd->device_index, j, xd->nb_tx_desc,
95 SOCKET_ID_ANY, &xd->tx_conf);
101 return clib_error_return (0, "rte_eth_tx_queue_setup[%d]: err %d",
102 xd->device_index, rv);
104 for (j = 0; j < xd->rx_q_used; j++)
107 rv = rte_eth_rx_queue_setup(xd->device_index, j, xd->nb_rx_desc,
109 bm->pktmbuf_pools[xd->cpu_socket_id_by_queue[j]]);
111 /* retry with any other CPU socket */
113 rv = rte_eth_rx_queue_setup(xd->device_index, j, xd->nb_rx_desc,
115 bm->pktmbuf_pools[xd->cpu_socket_id_by_queue[j]]);
117 return clib_error_return (0, "rte_eth_rx_queue_setup[%d]: err %d",
118 xd->device_index, rv);
122 rte_eth_dev_start (xd->device_index);
127 static u32 dpdk_flag_change (vnet_main_t * vnm,
128 vnet_hw_interface_t * hi,
131 dpdk_main_t * dm = &dpdk_main;
132 dpdk_device_t * xd = vec_elt_at_index (dm->devices, hi->dev_instance);
135 if (ETHERNET_INTERFACE_FLAG_CONFIG_PROMISC(flags))
138 xd->promisc = flags & ETHERNET_INTERFACE_FLAG_ACCEPT_ALL;
143 rte_eth_promiscuous_enable(xd->device_index);
145 rte_eth_promiscuous_disable(xd->device_index);
148 else if (ETHERNET_INTERFACE_FLAG_CONFIG_MTU(flags))
151 * DAW-FIXME: The Cisco VIC firmware does not provide an api for a
152 * driver to dynamically change the mtu. If/when the
153 * VIC firmware gets fixed, then this should be removed.
155 if (xd->pmd == VNET_DPDK_PMD_ENIC)
157 struct rte_eth_dev_info dev_info;
160 * Restore mtu to what has been set by CIMC in the firmware cfg.
162 rte_eth_dev_info_get(xd->device_index, &dev_info);
163 hi->max_packet_bytes = dev_info.max_rx_pktlen;
165 vlib_cli_output (vlib_get_main(),
166 "Cisco VIC mtu can only be changed "
167 "using CIMC then rebooting the server!");
173 xd->port_conf.rxmode.max_rx_pkt_len = hi->max_packet_bytes;
176 rte_eth_dev_stop (xd->device_index);
178 rv = rte_eth_dev_configure
185 vlib_cli_output (vlib_get_main(),
186 "rte_eth_dev_configure[%d]: err %d",
187 xd->device_index, rv);
189 rte_eth_dev_set_mtu(xd->device_index, hi->max_packet_bytes);
192 rte_eth_dev_start (xd->device_index);
199 dpdk_device_lock_init(dpdk_device_t * xd)
202 vec_validate(xd->lockp, xd->tx_q_used - 1);
203 for (q = 0; q < xd->tx_q_used; q++)
205 xd->lockp[q] = clib_mem_alloc_aligned (CLIB_CACHE_LINE_BYTES,
206 CLIB_CACHE_LINE_BYTES);
207 memset ((void *) xd->lockp[q], 0, CLIB_CACHE_LINE_BYTES);
213 dpdk_device_lock_free(dpdk_device_t * xd)
217 for (q = 0; q < vec_len(xd->lockp); q++)
218 clib_mem_free((void *) xd->lockp[q]);
224 static clib_error_t *
225 dpdk_lib_init (dpdk_main_t * dm)
230 clib_error_t * error;
231 vlib_main_t * vm = vlib_get_main();
232 vlib_thread_main_t * tm = vlib_get_thread_main();
233 vlib_node_runtime_t * rt;
234 vnet_sw_interface_t * sw;
235 vnet_hw_interface_t * hi;
237 vlib_thread_registration_t * tr;
241 u8 af_packet_port_id = 0;
243 dm->input_cpu_first_index = 0;
244 dm->input_cpu_count = 1;
246 rt = vlib_node_get_runtime (vm, dpdk_input_node.index);
247 rt->function = dpdk_input_multiarch_select();
249 /* find out which cpus will be used for input */
250 p = hash_get_mem (tm->thread_registrations_by_name, "workers");
251 tr = p ? (vlib_thread_registration_t *) p[0] : 0;
253 if (tr && tr->count > 0)
255 dm->input_cpu_first_index = tr->first_index;
256 dm->input_cpu_count = tr->count;
259 vec_validate_aligned (dm->devices_by_cpu, tm->n_vlib_mains - 1,
260 CLIB_CACHE_LINE_BYTES);
262 vec_validate_aligned (dm->workers, tm->n_vlib_mains - 1,
263 CLIB_CACHE_LINE_BYTES);
265 nports = rte_eth_dev_count();
268 clib_warning ("DPDK drivers found no ports...");
272 clib_warning ("DPDK drivers found %d ports...", nports);
275 * All buffers are all allocated from the same rte_mempool.
276 * Thus they all have the same number of data bytes.
278 dm->vlib_buffer_free_list_index =
279 vlib_buffer_get_or_create_free_list (
280 vm, VLIB_BUFFER_DEFAULT_FREE_LIST_BYTES, "dpdk rx");
282 if (dm->conf->enable_tcp_udp_checksum)
283 dm->buffer_flags_template &= ~(IP_BUFFER_L4_CHECKSUM_CORRECT
284 | IP_BUFFER_L4_CHECKSUM_COMPUTED);
286 for (i = 0; i < nports; i++)
291 struct rte_eth_dev_info dev_info;
293 struct rte_eth_link l;
294 dpdk_device_config_t * devconf = 0;
295 vlib_pci_addr_t pci_addr;
298 rte_eth_dev_info_get(i, &dev_info);
299 if (dev_info.pci_dev) /* bonded interface has no pci info */
301 pci_addr.domain = dev_info.pci_dev->addr.domain;
302 pci_addr.bus = dev_info.pci_dev->addr.bus;
303 pci_addr.slot = dev_info.pci_dev->addr.devid;
304 pci_addr.function = dev_info.pci_dev->addr.function;
305 p = hash_get (dm->conf->device_config_index_by_pci_addr, pci_addr.as_u32);
309 devconf = pool_elt_at_index (dm->conf->dev_confs, p[0]);
311 devconf = &dm->conf->default_devconf;
313 /* Create vnet interface */
314 vec_add2_aligned (dm->devices, xd, 1, CLIB_CACHE_LINE_BYTES);
315 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
316 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
317 xd->cpu_socket = (i8) rte_eth_dev_socket_id(i);
319 clib_memcpy(&xd->tx_conf, &dev_info.default_txconf,
320 sizeof(struct rte_eth_txconf));
321 if (dm->conf->no_multi_seg)
323 xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
324 port_conf_template.rxmode.jumbo_frame = 0;
328 xd->tx_conf.txq_flags &= ~ETH_TXQ_FLAGS_NOMULTSEGS;
329 port_conf_template.rxmode.jumbo_frame = 1;
332 clib_memcpy(&xd->port_conf, &port_conf_template, sizeof(struct rte_eth_conf));
334 xd->tx_q_used = clib_min(dev_info.max_tx_queues, tm->n_vlib_mains);
336 if (devconf->num_tx_queues > 0 && devconf->num_tx_queues < xd->tx_q_used)
337 xd->tx_q_used = clib_min(xd->tx_q_used, devconf->num_tx_queues);
339 if (devconf->num_rx_queues > 1 && dm->use_rss == 0)
341 rt->function = dpdk_input_rss_multiarch_select();
345 if (devconf->num_rx_queues > 1 && dev_info.max_rx_queues >= devconf->num_rx_queues)
347 xd->rx_q_used = devconf->num_rx_queues;
348 xd->port_conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
349 if (devconf->rss_fn == 0)
350 xd->port_conf.rx_adv_conf.rss_conf.rss_hf = ETH_RSS_IP | ETH_RSS_UDP | ETH_RSS_TCP;
352 xd->port_conf.rx_adv_conf.rss_conf.rss_hf = devconf->rss_fn;
357 xd->dev_type = VNET_DPDK_DEV_ETH;
359 /* workaround for drivers not setting driver_name */
360 if ((!dev_info.driver_name) && (dev_info.pci_dev))
361 dev_info.driver_name = dev_info.pci_dev->driver->name;
362 ASSERT(dev_info.driver_name);
367 #define _(s,f) else if (!strcmp(dev_info.driver_name, s)) \
368 xd->pmd = VNET_DPDK_PMD_##f;
374 xd->pmd = VNET_DPDK_PMD_UNKNOWN;
379 case VNET_DPDK_PMD_E1000EM:
380 case VNET_DPDK_PMD_IGB:
381 case VNET_DPDK_PMD_IGBVF:
382 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
386 case VNET_DPDK_PMD_IXGBE:
387 case VNET_DPDK_PMD_IXGBEVF:
388 case VNET_DPDK_PMD_THUNDERX:
389 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
390 xd->nb_rx_desc = DPDK_NB_RX_DESC_10GE;
391 xd->nb_tx_desc = DPDK_NB_TX_DESC_10GE;
393 case VNET_DPDK_PMD_DPAA2:
394 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
398 case VNET_DPDK_PMD_ENIC:
399 rte_eth_link_get_nowait(i, &l);
400 xd->nb_rx_desc = DPDK_NB_RX_DESC_ENIC;
401 if (l.link_speed == 40000)
403 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
404 xd->nb_tx_desc = DPDK_NB_TX_DESC_40GE;
408 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
409 xd->nb_tx_desc = DPDK_NB_TX_DESC_10GE;
413 /* Intel Fortville */
414 case VNET_DPDK_PMD_I40E:
415 case VNET_DPDK_PMD_I40EVF:
416 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
417 xd->nb_rx_desc = DPDK_NB_RX_DESC_40GE;
418 xd->nb_tx_desc = DPDK_NB_TX_DESC_40GE;
420 switch (dev_info.pci_dev->id.device_id) {
421 case I40E_DEV_ID_10G_BASE_T:
422 case I40E_DEV_ID_SFP_XL710:
423 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
425 case I40E_DEV_ID_QSFP_A:
426 case I40E_DEV_ID_QSFP_B:
427 case I40E_DEV_ID_QSFP_C:
428 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
431 rte_eth_link_get_nowait(i, &l);
432 xd->port_type = l.link_speed == 10000 ?
433 VNET_DPDK_PORT_TYPE_ETH_10G : VNET_DPDK_PORT_TYPE_ETH_40G;
436 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
440 case VNET_DPDK_PMD_CXGBE:
441 switch (dev_info.pci_dev->id.device_id) {
442 case 0x5410: /* T580-LP-cr */
443 xd->nb_rx_desc = DPDK_NB_RX_DESC_40GE;
444 xd->nb_tx_desc = DPDK_NB_TX_DESC_40GE;
445 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
448 xd->nb_rx_desc = DPDK_NB_RX_DESC_10GE;
449 xd->nb_tx_desc = DPDK_NB_TX_DESC_10GE;
450 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
454 /* Intel Red Rock Canyon */
455 case VNET_DPDK_PMD_FM10K:
456 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_SWITCH;
457 xd->nb_rx_desc = DPDK_NB_RX_DESC_40GE;
458 xd->nb_tx_desc = DPDK_NB_TX_DESC_40GE;
462 case VNET_DPDK_PMD_VIRTIO:
463 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
464 xd->nb_rx_desc = DPDK_NB_RX_DESC_VIRTIO;
465 xd->nb_tx_desc = DPDK_NB_TX_DESC_VIRTIO;
469 case VNET_DPDK_PMD_VMXNET3:
470 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
471 xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
474 case VNET_DPDK_PMD_AF_PACKET:
475 xd->port_type = VNET_DPDK_PORT_TYPE_AF_PACKET;
476 xd->af_packet_port_id = af_packet_port_id++;
479 case VNET_DPDK_PMD_BOND:
480 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_BOND;
484 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
487 if (devconf->num_rx_desc)
488 xd->nb_rx_desc = devconf->num_rx_desc;
490 if (devconf->num_tx_desc)
491 xd->nb_tx_desc = devconf->num_tx_desc;
495 * Ensure default mtu is not > the mtu read from the hardware.
496 * Otherwise rte_eth_dev_configure() will fail and the port will
499 if (ETHERNET_MAX_PACKET_BYTES > dev_info.max_rx_pktlen)
502 * This device does not support the platforms's max frame
503 * size. Use it's advertised mru instead.
505 xd->port_conf.rxmode.max_rx_pkt_len = dev_info.max_rx_pktlen;
509 xd->port_conf.rxmode.max_rx_pkt_len = ETHERNET_MAX_PACKET_BYTES;
512 * Some platforms do not account for Ethernet FCS (4 bytes) in
513 * MTU calculations. To interop with them increase mru but only
514 * if the device's settings can support it.
516 if ((dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES + 4)) &&
517 xd->port_conf.rxmode.hw_strip_crc)
520 * Allow additional 4 bytes (for Ethernet FCS). These bytes are
521 * stripped by h/w and so will not consume any buffer memory.
523 xd->port_conf.rxmode.max_rx_pkt_len += 4;
527 #if RTE_VERSION < RTE_VERSION_NUM(16, 4, 0, 0)
529 * Older VMXNET3 driver doesn't support jumbo / multi-buffer pkts
531 if (xd->pmd == VNET_DPDK_PMD_VMXNET3)
533 xd->port_conf.rxmode.max_rx_pkt_len = 1518;
534 xd->port_conf.rxmode.jumbo_frame = 0;
538 if (xd->pmd == VNET_DPDK_PMD_AF_PACKET)
540 f64 now = vlib_time_now(vm);
542 rnd = (u32) (now * 1e6);
543 rnd = random_u32 (&rnd);
544 clib_memcpy (addr+2, &rnd, sizeof(rnd));
549 rte_eth_macaddr_get(i,(struct ether_addr *)addr);
551 if (xd->tx_q_used < tm->n_vlib_mains)
552 dpdk_device_lock_init(xd);
554 xd->device_index = xd - dm->devices;
555 ASSERT(i == xd->device_index);
556 xd->per_interface_next_index = ~0;
558 /* assign interface to input thread */
559 dpdk_device_and_queue_t * dq;
562 if (devconf->workers)
566 clib_bitmap_foreach (i, devconf->workers, ({
567 int cpu = dm->input_cpu_first_index + i;
568 unsigned lcore = vlib_worker_threads[cpu].dpdk_lcore_id;
569 vec_validate(xd->cpu_socket_id_by_queue, q);
570 xd->cpu_socket_id_by_queue[q] = rte_lcore_to_socket_id(lcore);
571 vec_add2(dm->devices_by_cpu[cpu], dq, 1);
572 dq->device = xd->device_index;
577 for (q = 0; q < xd->rx_q_used; q++)
579 int cpu = dm->input_cpu_first_index + next_cpu;
580 unsigned lcore = vlib_worker_threads[cpu].dpdk_lcore_id;
583 * numa node for worker thread handling this queue
584 * needed for taking buffers from the right mempool
586 vec_validate(xd->cpu_socket_id_by_queue, q);
587 xd->cpu_socket_id_by_queue[q] = rte_lcore_to_socket_id(lcore);
590 * construct vector of (device,queue) pairs for each worker thread
592 vec_add2(dm->devices_by_cpu[cpu], dq, 1);
593 dq->device = xd->device_index;
597 if (next_cpu == dm->input_cpu_count)
601 vec_validate_aligned (xd->tx_vectors, tm->n_vlib_mains,
602 CLIB_CACHE_LINE_BYTES);
603 for (j = 0; j < tm->n_vlib_mains; j++)
605 vec_validate_ha (xd->tx_vectors[j], DPDK_TX_RING_SIZE,
606 sizeof(tx_ring_hdr_t), CLIB_CACHE_LINE_BYTES);
607 vec_reset_length (xd->tx_vectors[j]);
610 vec_validate_aligned (xd->rx_vectors, xd->rx_q_used,
611 CLIB_CACHE_LINE_BYTES);
612 for (j = 0; j< xd->rx_q_used; j++)
614 vec_validate_aligned (xd->rx_vectors[j], VLIB_FRAME_SIZE-1,
615 CLIB_CACHE_LINE_BYTES);
616 vec_reset_length (xd->rx_vectors[j]);
619 vec_validate_aligned (xd->frames, tm->n_vlib_mains,
620 CLIB_CACHE_LINE_BYTES);
622 rv = dpdk_port_setup(dm, xd);
627 /* count the number of descriptors used for this device */
628 nb_desc += xd->nb_rx_desc + xd->nb_tx_desc * xd->tx_q_used;
630 error = ethernet_register_interface
632 dpdk_device_class.index,
634 /* ethernet address */ addr,
635 &xd->vlib_hw_if_index,
640 sw = vnet_get_hw_sw_interface (dm->vnet_main, xd->vlib_hw_if_index);
641 xd->vlib_sw_if_index = sw->sw_if_index;
642 hi = vnet_get_hw_interface (dm->vnet_main, xd->vlib_hw_if_index);
645 * DAW-FIXME: The Cisco VIC firmware does not provide an api for a
646 * driver to dynamically change the mtu. If/when the
647 * VIC firmware gets fixed, then this should be removed.
649 if (xd->pmd == VNET_DPDK_PMD_ENIC)
652 * Initialize mtu to what has been set by CIMC in the firmware cfg.
654 hi->max_packet_bytes = dev_info.max_rx_pktlen;
655 if (devconf->vlan_strip_offload != DPDK_DEVICE_VLAN_STRIP_OFF)
656 vlan_strip = 1; /* remove vlan tag from VIC port by default */
658 clib_warning("VLAN strip disabled for interface\n");
660 else if (devconf->vlan_strip_offload == DPDK_DEVICE_VLAN_STRIP_ON)
666 vlan_off = rte_eth_dev_get_vlan_offload(xd->device_index);
667 vlan_off |= ETH_VLAN_STRIP_OFFLOAD;
668 if (rte_eth_dev_set_vlan_offload(xd->device_index, vlan_off) == 0)
669 clib_warning("VLAN strip enabled for interface\n");
671 clib_warning("VLAN strip cannot be supported by interface\n");
674 #if RTE_VERSION < RTE_VERSION_NUM(16, 4, 0, 0)
676 * Older VMXNET3 driver doesn't support jumbo / multi-buffer pkts
678 else if (xd->pmd == VNET_DPDK_PMD_VMXNET3)
679 hi->max_packet_bytes = 1518;
682 hi->max_l3_packet_bytes[VLIB_RX] = hi->max_l3_packet_bytes[VLIB_TX] =
683 xd->port_conf.rxmode.max_rx_pkt_len - sizeof(ethernet_header_t);
685 rte_eth_dev_set_mtu(xd->device_index, hi->max_packet_bytes);
688 #ifdef RTE_LIBRTE_KNI
689 if (dm->conf->num_kni) {
690 clib_warning("Initializing KNI interfaces...");
691 rte_kni_init(dm->conf->num_kni);
692 for (i = 0; i < dm->conf->num_kni; i++)
697 /* Create vnet interface */
698 vec_add2_aligned (dm->devices, xd, 1, CLIB_CACHE_LINE_BYTES);
699 xd->dev_type = VNET_DPDK_DEV_KNI;
701 xd->device_index = xd - dm->devices;
702 ASSERT(nports + i == xd->device_index);
703 xd->per_interface_next_index = ~0;
706 hash_set (dm->dpdk_device_by_kni_port_id, i, xd - dm->devices);
709 /* assign interface to input thread */
710 dpdk_device_and_queue_t * dq;
711 vec_add2(dm->devices_by_cpu[dm->input_cpu_first_index], dq, 1);
712 dq->device = xd->device_index;
715 vec_validate_aligned (xd->tx_vectors, tm->n_vlib_mains,
716 CLIB_CACHE_LINE_BYTES);
717 for (j = 0; j < tm->n_vlib_mains; j++)
719 vec_validate_ha (xd->tx_vectors[j], DPDK_TX_RING_SIZE,
720 sizeof(tx_ring_hdr_t), CLIB_CACHE_LINE_BYTES);
721 vec_reset_length (xd->tx_vectors[j]);
724 vec_validate_aligned (xd->rx_vectors, xd->rx_q_used,
725 CLIB_CACHE_LINE_BYTES);
726 for (j = 0; j< xd->rx_q_used; j++)
728 vec_validate_aligned (xd->rx_vectors[j], VLIB_FRAME_SIZE-1,
729 CLIB_CACHE_LINE_BYTES);
730 vec_reset_length (xd->rx_vectors[j]);
733 vec_validate_aligned (xd->frames, tm->n_vlib_mains,
734 CLIB_CACHE_LINE_BYTES);
736 /* FIXME Set up one TX-queue per worker thread */
739 f64 now = vlib_time_now(vm);
741 rnd = (u32) (now * 1e6);
742 rnd = random_u32 (&rnd);
744 clib_memcpy (addr+2, &rnd, sizeof(rnd));
749 error = ethernet_register_interface
751 dpdk_device_class.index,
753 /* ethernet address */ addr,
754 &xd->vlib_hw_if_index,
760 sw = vnet_get_hw_sw_interface (dm->vnet_main, xd->vlib_hw_if_index);
761 xd->vlib_sw_if_index = sw->sw_if_index;
762 hi = vnet_get_hw_interface (dm->vnet_main, xd->vlib_hw_if_index);
767 if (nb_desc > dm->conf->num_mbufs)
768 clib_warning ("%d mbufs allocated but total rx/tx ring size is %d\n",
769 dm->conf->num_mbufs, nb_desc);
771 /* init next vhost-user if index */
772 dm->next_vu_if_id = 0;
778 dpdk_bind_devices_to_uio (dpdk_config_main_t * conf)
780 vlib_pci_main_t * pm = &pci_main;
781 clib_error_t * error;
782 vlib_pci_device_t * d;
783 pci_config_header_t * c;
785 int num_whitelisted = vec_len (conf->dev_confs);
787 pool_foreach (d, pm->pci_devs, ({
788 dpdk_device_config_t * devconf = 0;
789 c = &d->config0.header;
790 vec_reset_length (pci_addr);
791 pci_addr = format (pci_addr, "%U%c", format_vlib_pci_addr, &d->bus_address, 0);
793 if (c->device_class != PCI_CLASS_NETWORK_ETHERNET)
798 uword * p = hash_get (conf->device_config_index_by_pci_addr, d->bus_address.as_u32);
803 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
807 if (c->vendor_id == 0x1af4 && c->device_id == 0x1000)
810 else if (c->vendor_id == 0x15ad && c->device_id == 0x07b0)
812 /* all Intel devices */
813 else if (c->vendor_id == 0x8086)
816 else if (c->vendor_id == 0x1137 && c->device_id == 0x0043)
819 else if (c->vendor_id == 0x1425 && (c->device_id & 0xe000) == 0x4000)
823 clib_warning ("Unsupported Ethernet PCI device 0x%04x:0x%04x found "
824 "at PCI address %s\n", (u16) c->vendor_id, (u16) c->device_id,
829 error = vlib_pci_bind_to_uio (d, (char *) conf->uio_driver_name);
835 pool_get (conf->dev_confs, devconf);
836 hash_set (conf->device_config_index_by_pci_addr, d->bus_address.as_u32,
837 devconf - conf->dev_confs);
838 devconf->pci_addr.as_u32 = d->bus_address.as_u32;
840 devconf->is_blacklisted = 1;
841 clib_error_report (error);
847 static clib_error_t *
848 dpdk_device_config (dpdk_config_main_t * conf, vlib_pci_addr_t pci_addr, unformat_input_t * input, u8 is_default)
850 clib_error_t * error = 0;
852 dpdk_device_config_t * devconf;
853 unformat_input_t sub_input;
857 devconf = &conf->default_devconf;
861 p = hash_get (conf->device_config_index_by_pci_addr, pci_addr.as_u32);
865 pool_get (conf->dev_confs, devconf);
866 hash_set (conf->device_config_index_by_pci_addr, pci_addr.as_u32, devconf - conf->dev_confs);
869 return clib_error_return(0, "duplicate configuration for PCI address %U",
870 format_vlib_pci_addr, &pci_addr);
873 devconf->pci_addr.as_u32 = pci_addr.as_u32;
878 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
880 if (unformat (input, "num-rx-queues %u", &devconf->num_rx_queues))
882 else if (unformat (input, "num-tx-queues %u", &devconf->num_tx_queues))
884 else if (unformat (input, "num-rx-desc %u", &devconf->num_rx_desc))
886 else if (unformat (input, "num-tx-desc %u", &devconf->num_tx_desc))
888 else if (unformat (input, "workers %U", unformat_bitmap_list,
891 else if (unformat (input, "rss %U", unformat_vlib_cli_sub_input, &sub_input))
893 error = unformat_rss_fn(&sub_input, &devconf->rss_fn);
897 else if (unformat (input, "vlan-strip-offload off"))
898 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_OFF;
899 else if (unformat (input, "vlan-strip-offload on"))
900 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_ON;
903 error = clib_error_return (0, "unknown input `%U'",
904 format_unformat_error, input);
912 if (devconf->workers && devconf->num_rx_queues == 0)
913 devconf->num_rx_queues = clib_bitmap_count_set_bits(devconf->workers);
914 else if (devconf->workers &&
915 clib_bitmap_count_set_bits(devconf->workers) != devconf->num_rx_queues)
916 error = clib_error_return (0, "%U: number of worker threadds must be "
917 "equal to number of rx queues",
918 format_vlib_pci_addr, &pci_addr);
923 static clib_error_t *
924 dpdk_config (vlib_main_t * vm, unformat_input_t * input)
926 clib_error_t * error = 0;
927 dpdk_main_t * dm = &dpdk_main;
928 dpdk_config_main_t * conf = &dpdk_config_main;
929 vlib_thread_main_t * tm = vlib_get_thread_main();
930 dpdk_device_config_t * devconf;
931 vlib_pci_addr_t pci_addr;
932 unformat_input_t sub_input;
934 u8 * rte_cmd = 0, * ethname = 0;
937 int num_whitelisted = 0;
944 conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
946 // MATT-FIXME: inverted virtio-vhost logic to use virtio by default
947 conf->use_virtio_vhost = 1;
949 while (unformat_check_input(input) != UNFORMAT_END_OF_INPUT)
952 if (unformat (input, "no-hugetlb"))
954 vec_add1 (conf->eal_init_args, (u8 *) "no-huge");
958 else if (unformat (input, "enable-tcp-udp-checksum"))
959 conf->enable_tcp_udp_checksum = 1;
961 else if (unformat (input, "decimal-interface-names"))
962 conf->interface_name_format_decimal = 1;
964 else if (unformat (input, "no-multi-seg"))
965 conf->no_multi_seg = 1;
967 else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input,
970 error = dpdk_device_config (conf, (vlib_pci_addr_t) (u32) ~1, &sub_input, 1);
975 else if (unformat (input, "dev %U %U", unformat_vlib_pci_addr, &pci_addr,
976 unformat_vlib_cli_sub_input, &sub_input))
978 error = dpdk_device_config (conf, pci_addr, &sub_input, 0);
985 else if (unformat (input, "dev %U", unformat_vlib_pci_addr, &pci_addr))
987 error = dpdk_device_config (conf, pci_addr, 0, 0);
994 else if (unformat (input, "num-mbufs %d", &conf->num_mbufs))
996 else if (unformat (input, "kni %d", &conf->num_kni))
998 else if (unformat (input, "uio-driver %s", &conf->uio_driver_name))
1000 else if (unformat (input, "socket-mem %s", &socket_mem))
1002 else if (unformat (input, "vhost-user-coalesce-frames %d", &conf->vhost_coalesce_frames))
1004 else if (unformat (input, "vhost-user-coalesce-time %f", &conf->vhost_coalesce_time))
1006 else if (unformat (input, "enable-vhost-user"))
1007 conf->use_virtio_vhost = 0;
1008 else if (unformat (input, "poll-sleep %d", &dm->poll_sleep))
1012 else if (unformat(input, #a)) \
1014 if (!strncmp(#a, "no-pci", 6)) \
1016 tmp = format (0, "--%s%c", #a, 0); \
1017 vec_add1 (conf->eal_init_args, tmp); \
1019 foreach_eal_double_hyphen_predicate_arg
1023 else if (unformat(input, #a " %s", &s)) \
1025 if (!strncmp(#a, "huge-dir", 8)) \
1027 else if (!strncmp(#a, "file-prefix", 11)) \
1029 tmp = format (0, "--%s%c", #a, 0); \
1030 vec_add1 (conf->eal_init_args, tmp); \
1032 vec_add1 (conf->eal_init_args, s); \
1034 foreach_eal_double_hyphen_arg
1038 else if (unformat(input, #a " %s", &s)) \
1040 tmp = format (0, "-%s%c", #b, 0); \
1041 vec_add1 (conf->eal_init_args, tmp); \
1043 vec_add1 (conf->eal_init_args, s); \
1045 foreach_eal_single_hyphen_arg
1049 else if (unformat(input, #a " %s", &s)) \
1051 tmp = format (0, "-%s%c", #b, 0); \
1052 vec_add1 (conf->eal_init_args, tmp); \
1054 vec_add1 (conf->eal_init_args, s); \
1055 conf->a##_set_manually = 1; \
1057 foreach_eal_single_hyphen_mandatory_arg
1060 else if (unformat(input, "default"))
1065 error = clib_error_return (0, "unknown input `%U'",
1066 format_unformat_error, input);
1071 if (!conf->uio_driver_name)
1072 conf->uio_driver_name = format (0, "igb_uio%c", 0);
1075 * Use 1G huge pages if available.
1077 if (!no_huge && !huge_dir)
1079 u32 x, * mem_by_socket = 0;
1083 u8 less_than_1g = 1;
1086 umount(DEFAULT_HUGE_DIR);
1088 /* Process "socket-mem" parameter value */
1089 if (vec_len (socket_mem))
1091 unformat_input_t in;
1092 unformat_init_vector(&in, socket_mem);
1093 while (unformat_check_input (&in) != UNFORMAT_END_OF_INPUT)
1095 if (unformat (&in, "%u,", &x))
1097 else if (unformat (&in, "%u", &x))
1099 else if (unformat (&in, ","))
1104 vec_add1(mem_by_socket, x);
1109 /* Note: unformat_free vec_frees(in.buffer), aka socket_mem... */
1115 clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
1117 vec_validate(mem_by_socket, c);
1118 mem_by_socket[c] = 256; /* default per-socket mem */
1123 /* check if available enough 1GB pages for each socket */
1124 clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
1126 u32 pages_avail, page_size, mem;
1129 char * numa_path = "/sys/devices/system/node/node%u/";
1130 char * nonnuma_path = "/sys/kernel/mm/";
1131 char * suffix = "hugepages/hugepages-%ukB/free_hugepages%c";
1133 struct stat sb_numa, sb_nonnuma;
1135 p = format(p, numa_path, c);
1136 stat(numa_path, &sb_numa);
1137 stat(nonnuma_path, &sb_nonnuma);
1139 if (S_ISDIR(sb_numa.st_mode)) {
1140 path = (char*)format((u8*)path, "%s%s", p, suffix);
1141 } else if (S_ISDIR(sb_nonnuma.st_mode)) {
1142 path = (char*)format((u8*)path, "%s%s", nonnuma_path, suffix);
1150 vec_validate(mem_by_socket, c);
1151 mem = mem_by_socket[c];
1155 s = format (s, path, page_size * 1024, 0);
1156 vlib_sysfs_read ((char *) s, "%u", &pages_avail);
1157 vec_reset_length (s);
1159 if (page_size * pages_avail < mem)
1164 s = format (s, path, page_size * 1024, 0);
1165 vlib_sysfs_read ((char *) s, "%u", &pages_avail);
1166 vec_reset_length (s);
1168 if (page_size * pages_avail < mem)
1175 _vec_len (mem_by_socket) = c + 1;
1177 /* regenerate socket_mem string */
1178 vec_foreach_index (x, mem_by_socket)
1179 socket_mem = format (socket_mem, "%s%u",
1180 socket_mem ? "," : "",
1182 socket_mem = format (socket_mem, "%c", 0);
1184 vec_free (mem_by_socket);
1186 rv = mkdir(VPP_RUN_DIR, 0755);
1187 if (rv && errno != EEXIST)
1189 error = clib_error_return (0, "mkdir '%s' failed errno %d",
1190 VPP_RUN_DIR, errno);
1194 rv = mkdir(DEFAULT_HUGE_DIR, 0755);
1195 if (rv && errno != EEXIST)
1197 error = clib_error_return (0, "mkdir '%s' failed errno %d",
1198 DEFAULT_HUGE_DIR, errno);
1202 if (use_1g && !(less_than_1g && use_2m))
1204 rv = mount("none", DEFAULT_HUGE_DIR, "hugetlbfs", 0, "pagesize=1G");
1208 rv = mount("none", DEFAULT_HUGE_DIR, "hugetlbfs", 0, NULL);
1212 return clib_error_return (0, "not enough free huge pages");
1217 error = clib_error_return (0, "mount failed %d", errno);
1221 tmp = format (0, "--huge-dir%c", 0);
1222 vec_add1 (conf->eal_init_args, tmp);
1223 tmp = format (0, "%s%c", DEFAULT_HUGE_DIR, 0);
1224 vec_add1 (conf->eal_init_args, tmp);
1227 tmp = format (0, "--file-prefix%c", 0);
1228 vec_add1 (conf->eal_init_args, tmp);
1229 tmp = format (0, "vpp%c", 0);
1230 vec_add1 (conf->eal_init_args, tmp);
1240 /* I'll bet that -c and -n must be the first and second args... */
1241 if (!conf->coremask_set_manually)
1243 vlib_thread_registration_t * tr;
1244 uword * coremask = 0;
1247 /* main thread core */
1248 coremask = clib_bitmap_set(coremask, tm->main_lcore, 1);
1250 for (i = 0; i < vec_len (tm->registrations); i++)
1252 tr = tm->registrations[i];
1253 coremask = clib_bitmap_or(coremask, tr->coremask);
1256 vec_insert (conf->eal_init_args, 2, 1);
1257 conf->eal_init_args[1] = (u8 *) "-c";
1258 tmp = format (0, "%U%c", format_bitmap_hex, coremask, 0);
1259 conf->eal_init_args[2] = tmp;
1260 clib_bitmap_free(coremask);
1263 if (!conf->nchannels_set_manually)
1265 vec_insert (conf->eal_init_args, 2, 3);
1266 conf->eal_init_args[3] = (u8 *) "-n";
1267 tmp = format (0, "%d", conf->nchannels);
1268 conf->eal_init_args[4] = tmp;
1271 if (no_pci == 0 && geteuid() == 0)
1272 dpdk_bind_devices_to_uio(conf);
1275 if (devconf->x == 0 && conf->default_devconf.x > 0) \
1276 devconf->x = conf->default_devconf.x ;
1278 pool_foreach (devconf, conf->dev_confs, ({
1280 /* default per-device config items */
1281 foreach_dpdk_device_config_item
1283 /* add DPDK EAL whitelist/blacklist entry */
1284 if (num_whitelisted > 0 && devconf->is_blacklisted == 0)
1286 tmp = format (0, "-w%c", 0);
1287 vec_add1 (conf->eal_init_args, tmp);
1288 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1289 vec_add1 (conf->eal_init_args, tmp);
1291 else if (num_whitelisted == 0 && devconf->is_blacklisted != 0)
1293 tmp = format (0, "-b%c", 0);
1294 vec_add1 (conf->eal_init_args, tmp);
1295 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1296 vec_add1 (conf->eal_init_args, tmp);
1302 /* set master-lcore */
1303 tmp = format (0, "--master-lcore%c", 0);
1304 vec_add1 (conf->eal_init_args, tmp);
1305 tmp = format (0, "%u%c", tm->main_lcore, 0);
1306 vec_add1 (conf->eal_init_args, tmp);
1308 /* set socket-mem */
1309 tmp = format (0, "--socket-mem%c", 0);
1310 vec_add1 (conf->eal_init_args, tmp);
1311 tmp = format (0, "%s%c", socket_mem, 0);
1312 vec_add1 (conf->eal_init_args, tmp);
1314 /* NULL terminate the "argv" vector, in case of stupidity */
1315 vec_add1 (conf->eal_init_args, 0);
1316 _vec_len(conf->eal_init_args) -= 1;
1318 /* Set up DPDK eal and packet mbuf pool early. */
1320 log_level = (CLIB_DEBUG > 0) ? RTE_LOG_DEBUG : RTE_LOG_NOTICE;
1322 rte_set_log_level (log_level);
1324 vm = vlib_get_main ();
1326 /* make copy of args as rte_eal_init tends to mess up with arg array */
1327 for (i = 1; i < vec_len(conf->eal_init_args); i++)
1328 conf->eal_init_args_str = format(conf->eal_init_args_str, "%s ",
1329 conf->eal_init_args[i]);
1331 ret = rte_eal_init(vec_len(conf->eal_init_args), (char **) conf->eal_init_args);
1333 /* lazy umount hugepages */
1334 umount2(DEFAULT_HUGE_DIR, MNT_DETACH);
1337 return clib_error_return (0, "rte_eal_init returned %d", ret);
1339 /* Dump the physical memory layout prior to creating the mbuf_pool */
1340 fprintf(stdout, "DPDK physical memory layout:\n");
1341 rte_dump_physmem_layout(stdout);
1343 /* main thread 1st */
1344 error = vlib_buffer_pool_create(vm, conf->num_mbufs, rte_socket_id());
1348 for (i = 0; i < RTE_MAX_LCORE; i++)
1350 error = vlib_buffer_pool_create(vm, conf->num_mbufs,
1351 rte_lcore_to_socket_id(i));
1360 VLIB_CONFIG_FUNCTION (dpdk_config, "dpdk");
1362 void dpdk_update_link_state (dpdk_device_t * xd, f64 now)
1364 vnet_main_t * vnm = vnet_get_main();
1365 struct rte_eth_link prev_link = xd->link;
1367 u8 hw_flags_chg = 0;
1369 /* only update link state for PMD interfaces */
1370 if (xd->dev_type != VNET_DPDK_DEV_ETH)
1373 xd->time_last_link_update = now ? now : xd->time_last_link_update;
1374 memset(&xd->link, 0, sizeof(xd->link));
1375 rte_eth_link_get_nowait (xd->device_index, &xd->link);
1377 if (LINK_STATE_ELOGS)
1379 vlib_main_t * vm = vlib_get_main();
1380 ELOG_TYPE_DECLARE(e) = {
1382 "update-link-state: sw_if_index %d, admin_up %d,"
1383 "old link_state %d new link_state %d",
1384 .format_args = "i4i1i1i1",
1387 struct { u32 sw_if_index; u8 admin_up;
1388 u8 old_link_state; u8 new_link_state;} *ed;
1389 ed = ELOG_DATA (&vm->elog_main, e);
1390 ed->sw_if_index = xd->vlib_sw_if_index;
1391 ed->admin_up = xd->admin_up;
1392 ed->old_link_state = (u8)
1393 vnet_hw_interface_is_link_up (vnm, xd->vlib_hw_if_index);
1394 ed->new_link_state = (u8) xd->link.link_status;
1397 if ((xd->admin_up == 1) &&
1398 ((xd->link.link_status != 0) ^
1399 vnet_hw_interface_is_link_up (vnm, xd->vlib_hw_if_index)))
1402 hw_flags |= (xd->link.link_status ?
1403 VNET_HW_INTERFACE_FLAG_LINK_UP: 0);
1406 if (hw_flags_chg || (xd->link.link_duplex != prev_link.link_duplex))
1409 switch (xd->link.link_duplex)
1411 case ETH_LINK_HALF_DUPLEX:
1412 hw_flags |= VNET_HW_INTERFACE_FLAG_HALF_DUPLEX;
1414 case ETH_LINK_FULL_DUPLEX:
1415 hw_flags |= VNET_HW_INTERFACE_FLAG_FULL_DUPLEX;
1421 #if RTE_VERSION >= RTE_VERSION_NUM(16, 4, 0, 0)
1422 if (hw_flags_chg || (xd->link.link_speed != prev_link.link_speed))
1425 switch (xd->link.link_speed)
1427 case ETH_SPEED_NUM_10M:
1428 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10M;
1430 case ETH_SPEED_NUM_100M:
1431 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_100M;
1433 case ETH_SPEED_NUM_1G:
1434 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_1G;
1436 case ETH_SPEED_NUM_10G:
1437 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10G;
1439 case ETH_SPEED_NUM_40G:
1440 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_40G;
1445 clib_warning("unknown link speed %d", xd->link.link_speed);
1450 if (hw_flags_chg || (xd->link.link_speed != prev_link.link_speed))
1453 switch (xd->link.link_speed)
1455 case ETH_LINK_SPEED_10:
1456 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10M;
1458 case ETH_LINK_SPEED_100:
1459 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_100M;
1461 case ETH_LINK_SPEED_1000:
1462 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_1G;
1464 case ETH_LINK_SPEED_10000:
1465 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10G;
1467 case ETH_LINK_SPEED_40G:
1468 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_40G;
1473 clib_warning("unknown link speed %d", xd->link.link_speed);
1480 if (LINK_STATE_ELOGS)
1482 vlib_main_t * vm = vlib_get_main();
1484 ELOG_TYPE_DECLARE(e) = {
1485 .format = "update-link-state: sw_if_index %d, new flags %d",
1486 .format_args = "i4i4",
1489 struct { u32 sw_if_index; u32 flags; } *ed;
1490 ed = ELOG_DATA (&vm->elog_main, e);
1491 ed->sw_if_index = xd->vlib_sw_if_index;
1492 ed->flags = hw_flags;
1494 vnet_hw_interface_set_flags (vnm, xd->vlib_hw_if_index, hw_flags);
1499 dpdk_process (vlib_main_t * vm,
1500 vlib_node_runtime_t * rt,
1503 clib_error_t * error;
1504 vnet_main_t * vnm = vnet_get_main();
1505 dpdk_main_t * dm = &dpdk_main;
1506 ethernet_main_t * em = ðernet_main;
1508 vlib_thread_main_t * tm = vlib_get_thread_main();
1512 error = dpdk_lib_init (dm);
1515 * Turn on the input node if we found some devices to drive
1516 * and we're not running worker threads or i/o threads
1519 if (error == 0 && vec_len(dm->devices) > 0)
1521 if (tm->n_vlib_mains == 1)
1522 vlib_node_set_state (vm, dpdk_input_node.index,
1523 VLIB_NODE_STATE_POLLING);
1525 for (i=0; i < tm->n_vlib_mains; i++)
1526 if (vec_len(dm->devices_by_cpu[i]) > 0)
1527 vlib_node_set_state (vlib_mains[i], dpdk_input_node.index,
1528 VLIB_NODE_STATE_POLLING);
1532 clib_error_report (error);
1534 dpdk_vhost_user_process_init(&vu_state);
1536 tm->worker_thread_release = 1;
1538 f64 now = vlib_time_now (vm);
1539 vec_foreach (xd, dm->devices)
1541 dpdk_update_link_state (xd, now);
1544 { // Extra set up for bond interfaces:
1545 // 1. Setup MACs for bond interfaces and their slave links which was set
1546 // in dpdk_port_setup() but needs to be done again here to take effect.
1547 // 2. Set max L3 packet size of each bond interface to the lowerst value of
1549 // 3. Set up info for bond interface related CLI support.
1550 int nports = rte_eth_dev_count();
1552 for (i = 0; i < nports; i++) {
1553 struct rte_eth_dev_info dev_info;
1554 rte_eth_dev_info_get(i, &dev_info);
1555 if (!dev_info.driver_name)
1556 dev_info.driver_name = dev_info.pci_dev->driver->name;
1557 ASSERT(dev_info.driver_name);
1558 if (strncmp(dev_info.driver_name, "rte_bond_pmd", 12) == 0) {
1561 int nlink = rte_eth_bond_slaves_get(i, slink, 16);
1563 vnet_hw_interface_t * bhi;
1564 ethernet_interface_t * bei;
1565 /* Get MAC of 1st slave link */
1566 rte_eth_macaddr_get(slink[0], (struct ether_addr *)addr);
1567 /* Set MAC of bounded interface to that of 1st slave link */
1568 rte_eth_bond_mac_address_set(i, (struct ether_addr *)addr);
1569 /* Populate MAC of bonded interface in VPP hw tables */
1570 bhi = vnet_get_hw_interface(
1571 vnm, dm->devices[i].vlib_hw_if_index);
1572 bei = pool_elt_at_index(em->interfaces, bhi->hw_instance);
1573 clib_memcpy(bhi->hw_address, addr, 6);
1574 clib_memcpy(bei->address, addr, 6);
1575 /* Init l3 packet size allowed on bonded interface */
1576 bhi->max_l3_packet_bytes[VLIB_RX] =
1577 bhi->max_l3_packet_bytes[VLIB_TX] =
1578 ETHERNET_MAX_PACKET_BYTES - sizeof(ethernet_header_t);
1579 while (nlink >= 1) { /* for all slave links */
1580 int slave = slink[--nlink];
1581 dpdk_device_t * sdev = &dm->devices[slave];
1582 vnet_hw_interface_t * shi;
1583 vnet_sw_interface_t * ssi;
1584 /* Add MAC to all slave links except the first one */
1585 if (nlink) rte_eth_dev_mac_addr_add(
1586 slave, (struct ether_addr *)addr, 0);
1587 /* Set slaves bitmap for bonded interface */
1588 bhi->bond_info = clib_bitmap_set(
1589 bhi->bond_info, sdev->vlib_hw_if_index, 1);
1590 /* Set slave link flags on slave interface */
1591 shi = vnet_get_hw_interface(vnm, sdev->vlib_hw_if_index);
1592 ssi = vnet_get_sw_interface(vnm, sdev->vlib_sw_if_index);
1593 shi->bond_info = VNET_HW_INTERFACE_BOND_INFO_SLAVE;
1594 ssi->flags |= VNET_SW_INTERFACE_FLAG_BOND_SLAVE;
1595 /* Set l3 packet size allowed as the lowest of slave */
1596 if (bhi->max_l3_packet_bytes[VLIB_RX] >
1597 shi->max_l3_packet_bytes[VLIB_RX])
1598 bhi->max_l3_packet_bytes[VLIB_RX] =
1599 bhi->max_l3_packet_bytes[VLIB_TX] =
1600 shi->max_l3_packet_bytes[VLIB_RX];
1611 * check each time through the loop in case intervals are changed
1613 f64 min_wait = dm->link_state_poll_interval < dm->stat_poll_interval ?
1614 dm->link_state_poll_interval : dm->stat_poll_interval;
1616 vlib_process_wait_for_event_or_clock (vm, min_wait);
1618 if (dpdk_get_admin_up_down_in_progress())
1619 /* skip the poll if an admin up down is in progress (on any interface) */
1622 vec_foreach (xd, dm->devices)
1624 f64 now = vlib_time_now (vm);
1625 if ((now - xd->time_last_stats_update) >= dm->stat_poll_interval)
1626 dpdk_update_counters (xd, now);
1627 if ((now - xd->time_last_link_update) >= dm->link_state_poll_interval)
1628 dpdk_update_link_state (xd, now);
1630 if (xd->dev_type == VNET_DPDK_DEV_VHOST_USER)
1631 if (dpdk_vhost_user_process_if(vm, xd, vu_state) != 0)
1636 dpdk_vhost_user_process_cleanup(vu_state);
1641 VLIB_REGISTER_NODE (dpdk_process_node,static) = {
1642 .function = dpdk_process,
1643 .type = VLIB_NODE_TYPE_PROCESS,
1644 .name = "dpdk-process",
1645 .process_log2_n_stack_bytes = 17,
1648 int dpdk_set_stat_poll_interval (f64 interval)
1650 if (interval < DPDK_MIN_STATS_POLL_INTERVAL)
1651 return (VNET_API_ERROR_INVALID_VALUE);
1653 dpdk_main.stat_poll_interval = interval;
1658 int dpdk_set_link_state_poll_interval (f64 interval)
1660 if (interval < DPDK_MIN_LINK_POLL_INTERVAL)
1661 return (VNET_API_ERROR_INVALID_VALUE);
1663 dpdk_main.link_state_poll_interval = interval;
1669 dpdk_init (vlib_main_t * vm)
1671 dpdk_main_t * dm = &dpdk_main;
1673 clib_error_t * error = 0;
1674 vlib_thread_main_t * tm = vlib_get_thread_main();
1676 /* verify that structs are cacheline aligned */
1677 ASSERT(offsetof(dpdk_device_t, cacheline0) == 0);
1678 ASSERT(offsetof(dpdk_device_t, cacheline1) == CLIB_CACHE_LINE_BYTES);
1679 ASSERT(offsetof(dpdk_worker_t, cacheline0) == 0);
1680 ASSERT(offsetof(frame_queue_trace_t, cacheline0) == 0);
1683 dm->vnet_main = vnet_get_main();
1684 dm->conf = &dpdk_config_main;
1686 ei = vlib_get_node_by_name (vm, (u8 *) "ethernet-input");
1688 return clib_error_return (0, "ethernet-input node AWOL");
1690 dm->ethernet_input_node_index = ei->index;
1692 dm->conf->nchannels = 4;
1693 dm->conf->num_mbufs = dm->conf->num_mbufs ? dm->conf->num_mbufs : NB_MBUF;
1694 vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet");
1696 dm->dpdk_device_by_kni_port_id = hash_create (0, sizeof (uword));
1697 dm->vu_sw_if_index_by_listener_fd = hash_create (0, sizeof (uword));
1698 dm->vu_sw_if_index_by_sock_fd = hash_create (0, sizeof (uword));
1700 /* $$$ use n_thread_stacks since it's known-good at this point */
1701 vec_validate (dm->recycle, tm->n_thread_stacks - 1);
1703 /* initialize EFD (early fast discard) default settings */
1704 dm->efd.enabled = DPDK_EFD_DISABLED;
1705 dm->efd.queue_hi_thresh = ((DPDK_EFD_DEFAULT_DEVICE_QUEUE_HI_THRESH_PCT *
1706 DPDK_NB_RX_DESC_10GE)/100);
1707 dm->efd.consec_full_frames_hi_thresh =
1708 DPDK_EFD_DEFAULT_CONSEC_FULL_FRAMES_HI_THRESH;
1710 /* vhost-user coalescence frames defaults */
1711 dm->conf->vhost_coalesce_frames = 32;
1712 dm->conf->vhost_coalesce_time = 1e-3;
1714 /* Default vlib_buffer_t flags, DISABLES tcp/udp checksumming... */
1715 dm->buffer_flags_template =
1716 (VLIB_BUFFER_TOTAL_LENGTH_VALID
1717 | IP_BUFFER_L4_CHECKSUM_COMPUTED
1718 | IP_BUFFER_L4_CHECKSUM_CORRECT);
1720 dm->stat_poll_interval = DPDK_STATS_POLL_INTERVAL;
1721 dm->link_state_poll_interval = DPDK_LINK_POLL_INTERVAL;
1724 if ((error = vlib_call_init_function (vm, dpdk_cli_init)))
1730 VLIB_INIT_FUNCTION (dpdk_init);