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 = 1, /**< 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_VICE ||
156 xd->pmd == VNET_DPDK_PMD_ENIC)
158 struct rte_eth_dev_info dev_info;
161 * Restore mtu to what has been set by CIMC in the firmware cfg.
163 rte_eth_dev_info_get(xd->device_index, &dev_info);
164 hi->max_packet_bytes = dev_info.max_rx_pktlen;
166 vlib_cli_output (vlib_get_main(),
167 "Cisco VIC mtu can only be changed "
168 "using CIMC then rebooting the server!");
174 xd->port_conf.rxmode.max_rx_pkt_len = hi->max_packet_bytes;
177 rte_eth_dev_stop (xd->device_index);
179 rv = rte_eth_dev_configure
186 vlib_cli_output (vlib_get_main(),
187 "rte_eth_dev_configure[%d]: err %d",
188 xd->device_index, rv);
190 rte_eth_dev_set_mtu(xd->device_index, hi->max_packet_bytes);
193 rte_eth_dev_start (xd->device_index);
200 extern int rte_netmap_probe(void);
204 dpdk_device_lock_init(dpdk_device_t * xd)
207 vec_validate(xd->lockp, xd->tx_q_used - 1);
208 for (q = 0; q < xd->tx_q_used; q++)
210 xd->lockp[q] = clib_mem_alloc_aligned (CLIB_CACHE_LINE_BYTES,
211 CLIB_CACHE_LINE_BYTES);
212 memset ((void *) xd->lockp[q], 0, CLIB_CACHE_LINE_BYTES);
218 dpdk_device_lock_free(dpdk_device_t * xd)
222 for (q = 0; q < vec_len(xd->lockp); q++)
223 clib_mem_free((void *) xd->lockp[q]);
229 static clib_error_t *
230 dpdk_lib_init (dpdk_main_t * dm)
235 clib_error_t * error;
236 vlib_main_t * vm = vlib_get_main();
237 vlib_thread_main_t * tm = vlib_get_thread_main();
238 vlib_node_runtime_t * rt;
239 vnet_sw_interface_t * sw;
240 vnet_hw_interface_t * hi;
242 vlib_thread_registration_t * tr;
246 u8 af_packet_port_id = 0;
248 dm->input_cpu_first_index = 0;
249 dm->input_cpu_count = 1;
251 rt = vlib_node_get_runtime (vm, dpdk_input_node.index);
252 rt->function = dpdk_input_multiarch_select();
254 /* find out which cpus will be used for input */
255 p = hash_get_mem (tm->thread_registrations_by_name, "workers");
256 tr = p ? (vlib_thread_registration_t *) p[0] : 0;
258 if (tr && tr->count > 0)
260 dm->input_cpu_first_index = tr->first_index;
261 dm->input_cpu_count = tr->count;
264 vec_validate_aligned (dm->devices_by_cpu, tm->n_vlib_mains - 1,
265 CLIB_CACHE_LINE_BYTES);
267 vec_validate_aligned (dm->workers, tm->n_vlib_mains - 1,
268 CLIB_CACHE_LINE_BYTES);
271 if(rte_netmap_probe() < 0)
272 return clib_error_return (0, "rte netmap probe failed");
275 nports = rte_eth_dev_count();
278 clib_warning ("DPDK drivers found no ports...");
282 clib_warning ("DPDK drivers found %d ports...", nports);
285 * All buffers are all allocated from the same rte_mempool.
286 * Thus they all have the same number of data bytes.
288 dm->vlib_buffer_free_list_index =
289 vlib_buffer_get_or_create_free_list (
290 vm, VLIB_BUFFER_DEFAULT_FREE_LIST_BYTES, "dpdk rx");
292 if (dm->conf->enable_tcp_udp_checksum)
293 dm->buffer_flags_template &= ~(IP_BUFFER_L4_CHECKSUM_CORRECT
294 | IP_BUFFER_L4_CHECKSUM_COMPUTED);
296 for (i = 0; i < nports; i++)
300 struct rte_eth_dev_info dev_info;
302 struct rte_eth_link l;
303 dpdk_device_config_t * devconf = 0;
304 vlib_pci_addr_t pci_addr;
307 rte_eth_dev_info_get(i, &dev_info);
308 if (dev_info.pci_dev) /* bonded interface has no pci info */
310 pci_addr.domain = dev_info.pci_dev->addr.domain;
311 pci_addr.bus = dev_info.pci_dev->addr.bus;
312 pci_addr.slot = dev_info.pci_dev->addr.devid;
313 pci_addr.function = dev_info.pci_dev->addr.function;
314 p = hash_get (dm->conf->device_config_index_by_pci_addr, pci_addr.as_u32);
318 devconf = pool_elt_at_index (dm->conf->dev_confs, p[0]);
320 devconf = &dm->conf->default_devconf;
322 /* Create vnet interface */
323 vec_add2_aligned (dm->devices, xd, 1, CLIB_CACHE_LINE_BYTES);
324 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
325 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
326 xd->cpu_socket = (i8) rte_eth_dev_socket_id(i);
328 clib_memcpy(&xd->tx_conf, &dev_info.default_txconf,
329 sizeof(struct rte_eth_txconf));
330 if (dm->conf->no_multi_seg)
332 xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
333 port_conf_template.rxmode.jumbo_frame = 0;
337 xd->tx_conf.txq_flags &= ~ETH_TXQ_FLAGS_NOMULTSEGS;
338 port_conf_template.rxmode.jumbo_frame = 1;
341 clib_memcpy(&xd->port_conf, &port_conf_template, sizeof(struct rte_eth_conf));
343 xd->tx_q_used = clib_min(dev_info.max_tx_queues, tm->n_vlib_mains);
345 if (devconf->num_tx_queues > 0 && devconf->num_tx_queues < xd->tx_q_used)
346 xd->tx_q_used = clib_min(xd->tx_q_used, devconf->num_tx_queues);
348 if (devconf->num_rx_queues > 1 && dm->use_rss == 0)
350 rt->function = dpdk_input_rss_multiarch_select();
354 if (devconf->num_rx_queues > 1 && dev_info.max_rx_queues >= devconf->num_rx_queues)
356 xd->rx_q_used = devconf->num_rx_queues;
357 xd->port_conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
358 if (devconf->rss_fn == 0)
359 xd->port_conf.rx_adv_conf.rss_conf.rss_hf = ETH_RSS_IP | ETH_RSS_UDP | ETH_RSS_TCP;
361 xd->port_conf.rx_adv_conf.rss_conf.rss_hf = devconf->rss_fn;
366 xd->dev_type = VNET_DPDK_DEV_ETH;
368 /* workaround for drivers not setting driver_name */
369 if ((!dev_info.driver_name) && (dev_info.pci_dev))
370 dev_info.driver_name = dev_info.pci_dev->driver->name;
371 ASSERT(dev_info.driver_name);
376 #define _(s,f) else if (!strcmp(dev_info.driver_name, s)) \
377 xd->pmd = VNET_DPDK_PMD_##f;
383 xd->pmd = VNET_DPDK_PMD_UNKNOWN;
388 case VNET_DPDK_PMD_E1000EM:
389 case VNET_DPDK_PMD_IGB:
390 case VNET_DPDK_PMD_IGBVF:
391 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
395 case VNET_DPDK_PMD_IXGBE:
396 case VNET_DPDK_PMD_IXGBEVF:
397 case VNET_DPDK_PMD_THUNDERX:
398 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
399 xd->nb_rx_desc = DPDK_NB_RX_DESC_10GE;
400 xd->nb_tx_desc = DPDK_NB_TX_DESC_10GE;
402 case VNET_DPDK_PMD_DPAA2:
403 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
407 case VNET_DPDK_PMD_VICE:
408 case VNET_DPDK_PMD_ENIC:
409 rte_eth_link_get_nowait(i, &l);
410 xd->nb_rx_desc = DPDK_NB_RX_DESC_ENIC;
411 if (l.link_speed == 40000)
413 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
414 xd->nb_tx_desc = DPDK_NB_TX_DESC_40GE;
418 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
419 xd->nb_tx_desc = DPDK_NB_TX_DESC_10GE;
423 /* Intel Fortville */
424 case VNET_DPDK_PMD_I40E:
425 case VNET_DPDK_PMD_I40EVF:
426 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
427 xd->nb_rx_desc = DPDK_NB_RX_DESC_40GE;
428 xd->nb_tx_desc = DPDK_NB_TX_DESC_40GE;
430 switch (dev_info.pci_dev->id.device_id) {
431 case I40E_DEV_ID_10G_BASE_T:
432 case I40E_DEV_ID_SFP_XL710:
433 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
435 case I40E_DEV_ID_QSFP_A:
436 case I40E_DEV_ID_QSFP_B:
437 case I40E_DEV_ID_QSFP_C:
438 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
441 rte_eth_link_get_nowait(i, &l);
442 xd->port_type = l.link_speed == 10000 ?
443 VNET_DPDK_PORT_TYPE_ETH_10G : VNET_DPDK_PORT_TYPE_ETH_40G;
446 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
450 case VNET_DPDK_PMD_CXGBE:
451 switch (dev_info.pci_dev->id.device_id) {
452 case 0x5410: /* T580-LP-cr */
453 xd->nb_rx_desc = DPDK_NB_RX_DESC_40GE;
454 xd->nb_tx_desc = DPDK_NB_TX_DESC_40GE;
455 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
458 xd->nb_rx_desc = DPDK_NB_RX_DESC_10GE;
459 xd->nb_tx_desc = DPDK_NB_TX_DESC_10GE;
460 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
464 /* Intel Red Rock Canyon */
465 case VNET_DPDK_PMD_FM10K:
466 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_SWITCH;
467 xd->nb_rx_desc = DPDK_NB_RX_DESC_40GE;
468 xd->nb_tx_desc = DPDK_NB_TX_DESC_40GE;
472 case VNET_DPDK_PMD_VIRTIO:
473 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
474 xd->nb_rx_desc = DPDK_NB_RX_DESC_VIRTIO;
475 xd->nb_tx_desc = DPDK_NB_TX_DESC_VIRTIO;
479 case VNET_DPDK_PMD_VMXNET3:
480 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
481 xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
484 case VNET_DPDK_PMD_AF_PACKET:
485 xd->port_type = VNET_DPDK_PORT_TYPE_AF_PACKET;
486 xd->af_packet_port_id = af_packet_port_id++;
489 case VNET_DPDK_PMD_BOND:
490 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_BOND;
494 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
498 if(strncmp(dev_info.driver_name, "vale", 4) == 0
499 || strncmp(dev_info.driver_name, "netmap", 6) == 0)
501 xd->pmd = VNET_DPDK_PMD_NETMAP;
502 xd->port_type = VNET_DPDK_PORT_TYPE_NETMAP;
505 if (devconf->num_rx_desc)
506 xd->nb_rx_desc = devconf->num_rx_desc;
508 if (devconf->num_tx_desc)
509 xd->nb_tx_desc = devconf->num_tx_desc;
513 * Ensure default mtu is not > the mtu read from the hardware.
514 * Otherwise rte_eth_dev_configure() will fail and the port will
517 if (ETHERNET_MAX_PACKET_BYTES > dev_info.max_rx_pktlen)
520 * This device does not support the platforms's max frame
521 * size. Use it's advertised mru instead.
523 xd->port_conf.rxmode.max_rx_pkt_len = dev_info.max_rx_pktlen;
527 xd->port_conf.rxmode.max_rx_pkt_len = ETHERNET_MAX_PACKET_BYTES;
530 * Some platforms do not account for Ethernet FCS (4 bytes) in
531 * MTU calculations. To interop with them increase mru but only
532 * if the device's settings can support it.
534 if ((dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES + 4)) &&
535 xd->port_conf.rxmode.hw_strip_crc)
538 * Allow additional 4 bytes (for Ethernet FCS). These bytes are
539 * stripped by h/w and so will not consume any buffer memory.
541 xd->port_conf.rxmode.max_rx_pkt_len += 4;
545 #if RTE_VERSION < RTE_VERSION_NUM(16, 4, 0, 0)
547 * Older VMXNET3 driver doesn't support jumbo / multi-buffer pkts
549 if (xd->pmd == VNET_DPDK_PMD_VMXNET3)
551 xd->port_conf.rxmode.max_rx_pkt_len = 1518;
552 xd->port_conf.rxmode.jumbo_frame = 0;
556 if (xd->pmd == VNET_DPDK_PMD_AF_PACKET)
558 f64 now = vlib_time_now(vm);
560 rnd = (u32) (now * 1e6);
561 rnd = random_u32 (&rnd);
562 clib_memcpy (addr+2, &rnd, sizeof(rnd));
567 rte_eth_macaddr_get(i,(struct ether_addr *)addr);
569 if (xd->tx_q_used < tm->n_vlib_mains)
570 dpdk_device_lock_init(xd);
572 xd->device_index = xd - dm->devices;
573 ASSERT(i == xd->device_index);
574 xd->per_interface_next_index = ~0;
576 /* assign interface to input thread */
577 dpdk_device_and_queue_t * dq;
580 if (devconf->workers)
584 clib_bitmap_foreach (i, devconf->workers, ({
585 int cpu = dm->input_cpu_first_index + i;
586 unsigned lcore = vlib_worker_threads[cpu].dpdk_lcore_id;
587 vec_validate(xd->cpu_socket_id_by_queue, q);
588 xd->cpu_socket_id_by_queue[q] = rte_lcore_to_socket_id(lcore);
589 vec_add2(dm->devices_by_cpu[cpu], dq, 1);
590 dq->device = xd->device_index;
595 for (q = 0; q < xd->rx_q_used; q++)
597 int cpu = dm->input_cpu_first_index + next_cpu;
598 unsigned lcore = vlib_worker_threads[cpu].dpdk_lcore_id;
601 * numa node for worker thread handling this queue
602 * needed for taking buffers from the right mempool
604 vec_validate(xd->cpu_socket_id_by_queue, q);
605 xd->cpu_socket_id_by_queue[q] = rte_lcore_to_socket_id(lcore);
608 * construct vector of (device,queue) pairs for each worker thread
610 vec_add2(dm->devices_by_cpu[cpu], dq, 1);
611 dq->device = xd->device_index;
615 if (next_cpu == dm->input_cpu_count)
619 vec_validate_aligned (xd->tx_vectors, tm->n_vlib_mains,
620 CLIB_CACHE_LINE_BYTES);
621 for (j = 0; j < tm->n_vlib_mains; j++)
623 vec_validate_ha (xd->tx_vectors[j], DPDK_TX_RING_SIZE,
624 sizeof(tx_ring_hdr_t), CLIB_CACHE_LINE_BYTES);
625 vec_reset_length (xd->tx_vectors[j]);
628 vec_validate_aligned (xd->rx_vectors, xd->rx_q_used,
629 CLIB_CACHE_LINE_BYTES);
630 for (j = 0; j< xd->rx_q_used; j++)
632 vec_validate_aligned (xd->rx_vectors[j], VLIB_FRAME_SIZE-1,
633 CLIB_CACHE_LINE_BYTES);
634 vec_reset_length (xd->rx_vectors[j]);
637 vec_validate_aligned (xd->frames, tm->n_vlib_mains,
638 CLIB_CACHE_LINE_BYTES);
640 rv = dpdk_port_setup(dm, xd);
645 /* count the number of descriptors used for this device */
646 nb_desc += xd->nb_rx_desc + xd->nb_tx_desc * xd->tx_q_used;
648 error = ethernet_register_interface
650 dpdk_device_class.index,
652 /* ethernet address */ addr,
653 &xd->vlib_hw_if_index,
658 sw = vnet_get_hw_sw_interface (dm->vnet_main, xd->vlib_hw_if_index);
659 xd->vlib_sw_if_index = sw->sw_if_index;
660 hi = vnet_get_hw_interface (dm->vnet_main, xd->vlib_hw_if_index);
663 * DAW-FIXME: The Cisco VIC firmware does not provide an api for a
664 * driver to dynamically change the mtu. If/when the
665 * VIC firmware gets fixed, then this should be removed.
667 if (xd->pmd == VNET_DPDK_PMD_VICE ||
668 xd->pmd == VNET_DPDK_PMD_ENIC)
671 * Initialize mtu to what has been set by CIMC in the firmware cfg.
673 hi->max_packet_bytes = dev_info.max_rx_pktlen;
675 * remove vlan tag from VIC port to fix VLAN0 issue.
676 * TODO Handle VLAN tagged traffic
679 vlan_off = rte_eth_dev_get_vlan_offload(xd->device_index);
680 vlan_off |= ETH_VLAN_STRIP_OFFLOAD;
681 rte_eth_dev_set_vlan_offload(xd->device_index, vlan_off);
684 #if RTE_VERSION < RTE_VERSION_NUM(16, 4, 0, 0)
686 * Older VMXNET3 driver doesn't support jumbo / multi-buffer pkts
688 else if (xd->pmd == VNET_DPDK_PMD_VMXNET3)
689 hi->max_packet_bytes = 1518;
692 hi->max_l3_packet_bytes[VLIB_RX] = hi->max_l3_packet_bytes[VLIB_TX] =
693 xd->port_conf.rxmode.max_rx_pkt_len - sizeof(ethernet_header_t);
695 rte_eth_dev_set_mtu(xd->device_index, hi->max_packet_bytes);
698 #ifdef RTE_LIBRTE_KNI
699 if (dm->conf->num_kni) {
700 clib_warning("Initializing KNI interfaces...");
701 rte_kni_init(dm->conf->num_kni);
702 for (i = 0; i < dm->conf->num_kni; i++)
707 /* Create vnet interface */
708 vec_add2_aligned (dm->devices, xd, 1, CLIB_CACHE_LINE_BYTES);
709 xd->dev_type = VNET_DPDK_DEV_KNI;
711 xd->device_index = xd - dm->devices;
712 ASSERT(nports + i == xd->device_index);
713 xd->per_interface_next_index = ~0;
716 hash_set (dm->dpdk_device_by_kni_port_id, i, xd - dm->devices);
719 /* assign interface to input thread */
720 dpdk_device_and_queue_t * dq;
721 vec_add2(dm->devices_by_cpu[dm->input_cpu_first_index], dq, 1);
722 dq->device = xd->device_index;
725 vec_validate_aligned (xd->tx_vectors, tm->n_vlib_mains,
726 CLIB_CACHE_LINE_BYTES);
727 for (j = 0; j < tm->n_vlib_mains; j++)
729 vec_validate_ha (xd->tx_vectors[j], DPDK_TX_RING_SIZE,
730 sizeof(tx_ring_hdr_t), CLIB_CACHE_LINE_BYTES);
731 vec_reset_length (xd->tx_vectors[j]);
734 vec_validate_aligned (xd->rx_vectors, xd->rx_q_used,
735 CLIB_CACHE_LINE_BYTES);
736 for (j = 0; j< xd->rx_q_used; j++)
738 vec_validate_aligned (xd->rx_vectors[j], VLIB_FRAME_SIZE-1,
739 CLIB_CACHE_LINE_BYTES);
740 vec_reset_length (xd->rx_vectors[j]);
743 vec_validate_aligned (xd->frames, tm->n_vlib_mains,
744 CLIB_CACHE_LINE_BYTES);
746 /* FIXME Set up one TX-queue per worker thread */
749 f64 now = vlib_time_now(vm);
751 rnd = (u32) (now * 1e6);
752 rnd = random_u32 (&rnd);
754 clib_memcpy (addr+2, &rnd, sizeof(rnd));
759 error = ethernet_register_interface
761 dpdk_device_class.index,
763 /* ethernet address */ addr,
764 &xd->vlib_hw_if_index,
770 sw = vnet_get_hw_sw_interface (dm->vnet_main, xd->vlib_hw_if_index);
771 xd->vlib_sw_if_index = sw->sw_if_index;
772 hi = vnet_get_hw_interface (dm->vnet_main, xd->vlib_hw_if_index);
777 if (nb_desc > dm->conf->num_mbufs)
778 clib_warning ("%d mbufs allocated but total rx/tx ring size is %d\n",
779 dm->conf->num_mbufs, nb_desc);
781 /* init next vhost-user if index */
782 dm->next_vu_if_id = 0;
788 dpdk_bind_devices_to_uio (dpdk_config_main_t * conf)
790 vlib_pci_main_t * pm = &pci_main;
791 clib_error_t * error;
792 vlib_pci_device_t * d;
793 pci_config_header_t * c;
795 int num_whitelisted = vec_len (conf->dev_confs);
797 pool_foreach (d, pm->pci_devs, ({
798 dpdk_device_config_t * devconf = 0;
799 c = &d->config0.header;
800 vec_reset_length (pci_addr);
801 pci_addr = format (pci_addr, "%U%c", format_vlib_pci_addr, &d->bus_address, 0);
803 if (c->device_class != PCI_CLASS_NETWORK_ETHERNET)
808 uword * p = hash_get (conf->device_config_index_by_pci_addr, d->bus_address.as_u32);
813 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
817 if (c->vendor_id == 0x1af4 && c->device_id == 0x1000)
820 else if (c->vendor_id == 0x15ad && c->device_id == 0x07b0)
822 /* all Intel devices */
823 else if (c->vendor_id == 0x8086)
826 else if (c->vendor_id == 0x1137 && c->device_id == 0x0043)
829 else if (c->vendor_id == 0x1425 && (c->device_id & 0xe000) == 0x4000)
833 clib_warning ("Unsupported Ethernet PCI device 0x%04x:0x%04x found "
834 "at PCI address %s\n", (u16) c->vendor_id, (u16) c->device_id,
839 error = vlib_pci_bind_to_uio (d, (char *) conf->uio_driver_name);
845 pool_get (conf->dev_confs, devconf);
846 hash_set (conf->device_config_index_by_pci_addr, d->bus_address.as_u32,
847 devconf - conf->dev_confs);
848 devconf->pci_addr.as_u32 = d->bus_address.as_u32;
850 devconf->is_blacklisted = 1;
851 clib_error_report (error);
857 static clib_error_t *
858 dpdk_device_config (dpdk_config_main_t * conf, vlib_pci_addr_t pci_addr, unformat_input_t * input, u8 is_default)
860 clib_error_t * error = 0;
862 dpdk_device_config_t * devconf;
863 unformat_input_t sub_input;
867 devconf = &conf->default_devconf;
871 p = hash_get (conf->device_config_index_by_pci_addr, pci_addr.as_u32);
875 pool_get (conf->dev_confs, devconf);
876 hash_set (conf->device_config_index_by_pci_addr, pci_addr.as_u32, devconf - conf->dev_confs);
879 return clib_error_return(0, "duplicate configuration for PCI address %U",
880 format_vlib_pci_addr, &pci_addr);
883 devconf->pci_addr.as_u32 = pci_addr.as_u32;
888 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
890 if (unformat (input, "num-rx-queues %u", &devconf->num_rx_queues))
892 else if (unformat (input, "num-tx-queues %u", &devconf->num_tx_queues))
894 else if (unformat (input, "num-rx-desc %u", &devconf->num_rx_desc))
896 else if (unformat (input, "num-tx-desc %u", &devconf->num_tx_desc))
898 else if (unformat (input, "workers %U", unformat_bitmap_list,
901 else if (unformat (input, "rss %U", unformat_vlib_cli_sub_input, &sub_input))
903 error = unformat_rss_fn(&sub_input, &devconf->rss_fn);
909 error = clib_error_return (0, "unknown input `%U'",
910 format_unformat_error, input);
918 if (devconf->workers && devconf->num_rx_queues == 0)
919 devconf->num_rx_queues = clib_bitmap_count_set_bits(devconf->workers);
920 else if (devconf->workers &&
921 clib_bitmap_count_set_bits(devconf->workers) != devconf->num_rx_queues)
922 error = clib_error_return (0, "%U: number of worker threadds must be "
923 "equal to number of rx queues",
924 format_vlib_pci_addr, &pci_addr);
929 static clib_error_t *
930 dpdk_config (vlib_main_t * vm, unformat_input_t * input)
932 clib_error_t * error = 0;
933 dpdk_main_t * dm = &dpdk_main;
934 dpdk_config_main_t * conf = &dpdk_config_main;
935 vlib_thread_main_t * tm = vlib_get_thread_main();
936 dpdk_device_config_t * devconf;
937 vlib_pci_addr_t pci_addr;
938 unformat_input_t sub_input;
940 u8 * rte_cmd = 0, * ethname = 0;
943 int num_whitelisted = 0;
945 int rxrings, txrings, rxslots, txslots, txburst;
954 conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
956 // MATT-FIXME: inverted virtio-vhost logic to use virtio by default
957 conf->use_virtio_vhost = 1;
959 while (unformat_check_input(input) != UNFORMAT_END_OF_INPUT)
962 if (unformat (input, "no-hugetlb"))
964 vec_add1 (conf->eal_init_args, (u8 *) "no-huge");
968 else if (unformat (input, "enable-tcp-udp-checksum"))
969 conf->enable_tcp_udp_checksum = 1;
971 else if (unformat (input, "decimal-interface-names"))
972 conf->interface_name_format_decimal = 1;
974 else if (unformat (input, "no-multi-seg"))
975 conf->no_multi_seg = 1;
977 else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input,
980 error = dpdk_device_config (conf, (vlib_pci_addr_t) (u32) ~1, &sub_input, 1);
985 else if (unformat (input, "dev %U %U", unformat_vlib_pci_addr, &pci_addr,
986 unformat_vlib_cli_sub_input, &sub_input))
988 error = dpdk_device_config (conf, pci_addr, &sub_input, 0);
995 else if (unformat (input, "dev %U", unformat_vlib_pci_addr, &pci_addr))
997 error = dpdk_device_config (conf, pci_addr, 0, 0);
1006 else if (unformat(input, "netmap %s/%d:%d/%d:%d/%d",
1007 &nmname, &rxrings, &rxslots, &txrings, &txslots, &txburst)) {
1010 eth_nm_args(nmname, rxrings, rxslots, txrings, txslots, txburst);
1012 error = clib_error_return (0, "%s", rv);
1015 }else if (unformat(input, "netmap %s", &nmname)) {
1018 eth_nm_args(nmname, 0, 0, 0, 0, 0);
1020 error = clib_error_return (0, "%s", rv);
1026 else if (unformat (input, "num-mbufs %d", &conf->num_mbufs))
1028 else if (unformat (input, "kni %d", &conf->num_kni))
1030 else if (unformat (input, "uio-driver %s", &conf->uio_driver_name))
1032 else if (unformat (input, "socket-mem %s", &socket_mem))
1034 else if (unformat (input, "vhost-user-coalesce-frames %d", &conf->vhost_coalesce_frames))
1036 else if (unformat (input, "vhost-user-coalesce-time %f", &conf->vhost_coalesce_time))
1038 else if (unformat (input, "enable-vhost-user"))
1039 conf->use_virtio_vhost = 0;
1040 else if (unformat (input, "poll-sleep %d", &dm->poll_sleep))
1044 else if (unformat(input, #a)) \
1046 if (!strncmp(#a, "no-pci", 6)) \
1048 tmp = format (0, "--%s%c", #a, 0); \
1049 vec_add1 (conf->eal_init_args, tmp); \
1051 foreach_eal_double_hyphen_predicate_arg
1055 else if (unformat(input, #a " %s", &s)) \
1057 if (!strncmp(#a, "huge-dir", 8)) \
1059 else if (!strncmp(#a, "file-prefix", 11)) \
1061 tmp = format (0, "--%s%c", #a, 0); \
1062 vec_add1 (conf->eal_init_args, tmp); \
1064 vec_add1 (conf->eal_init_args, s); \
1066 foreach_eal_double_hyphen_arg
1070 else if (unformat(input, #a " %s", &s)) \
1072 tmp = format (0, "-%s%c", #b, 0); \
1073 vec_add1 (conf->eal_init_args, tmp); \
1075 vec_add1 (conf->eal_init_args, s); \
1077 foreach_eal_single_hyphen_arg
1081 else if (unformat(input, #a " %s", &s)) \
1083 tmp = format (0, "-%s%c", #b, 0); \
1084 vec_add1 (conf->eal_init_args, tmp); \
1086 vec_add1 (conf->eal_init_args, s); \
1087 conf->a##_set_manually = 1; \
1089 foreach_eal_single_hyphen_mandatory_arg
1092 else if (unformat(input, "default"))
1097 error = clib_error_return (0, "unknown input `%U'",
1098 format_unformat_error, input);
1103 if (!conf->uio_driver_name)
1104 conf->uio_driver_name = format (0, "igb_uio%c", 0);
1107 * Use 1G huge pages if available.
1109 if (!no_huge && !huge_dir)
1111 u32 x, * mem_by_socket = 0;
1115 u8 less_than_1g = 1;
1118 umount(DEFAULT_HUGE_DIR);
1120 /* Process "socket-mem" parameter value */
1121 if (vec_len (socket_mem))
1123 unformat_input_t in;
1124 unformat_init_vector(&in, socket_mem);
1125 while (unformat_check_input (&in) != UNFORMAT_END_OF_INPUT)
1127 if (unformat (&in, "%u,", &x))
1129 else if (unformat (&in, "%u", &x))
1131 else if (unformat (&in, ","))
1136 vec_add1(mem_by_socket, x);
1141 /* Note: unformat_free vec_frees(in.buffer), aka socket_mem... */
1147 clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
1149 vec_validate(mem_by_socket, c);
1150 mem_by_socket[c] = 512; /* default per-socket mem */
1155 /* check if available enough 1GB pages for each socket */
1156 clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
1158 u32 pages_avail, page_size, mem;
1161 char * numa_path = "/sys/devices/system/node/node%u/";
1162 char * nonnuma_path = "/sys/kernel/mm/";
1163 char * suffix = "hugepages/hugepages-%ukB/free_hugepages%c";
1165 struct stat sb_numa, sb_nonnuma;
1167 p = format(p, numa_path, c);
1168 stat(numa_path, &sb_numa);
1169 stat(nonnuma_path, &sb_nonnuma);
1171 if (S_ISDIR(sb_numa.st_mode)) {
1172 path = (char*)format((u8*)path, "%s%s", p, suffix);
1173 } else if (S_ISDIR(sb_nonnuma.st_mode)) {
1174 path = (char*)format((u8*)path, "%s%s", nonnuma_path, suffix);
1182 vec_validate(mem_by_socket, c);
1183 mem = mem_by_socket[c];
1187 s = format (s, path, page_size * 1024, 0);
1188 vlib_sysfs_read ((char *) s, "%u", &pages_avail);
1189 vec_reset_length (s);
1191 if (page_size * pages_avail < mem)
1196 s = format (s, path, page_size * 1024, 0);
1197 vlib_sysfs_read ((char *) s, "%u", &pages_avail);
1198 vec_reset_length (s);
1200 if (page_size * pages_avail < mem)
1207 _vec_len (mem_by_socket) = c + 1;
1209 /* regenerate socket_mem string */
1210 vec_foreach_index (x, mem_by_socket)
1211 socket_mem = format (socket_mem, "%s%u",
1212 socket_mem ? "," : "",
1214 socket_mem = format (socket_mem, "%c", 0);
1216 vec_free (mem_by_socket);
1218 rv = mkdir(VPP_RUN_DIR, 0755);
1219 if (rv && errno != EEXIST)
1221 error = clib_error_return (0, "mkdir '%s' failed errno %d",
1222 VPP_RUN_DIR, errno);
1226 rv = mkdir(DEFAULT_HUGE_DIR, 0755);
1227 if (rv && errno != EEXIST)
1229 error = clib_error_return (0, "mkdir '%s' failed errno %d",
1230 DEFAULT_HUGE_DIR, errno);
1234 if (use_1g && !(less_than_1g && use_2m))
1236 rv = mount("none", DEFAULT_HUGE_DIR, "hugetlbfs", 0, "pagesize=1G");
1240 rv = mount("none", DEFAULT_HUGE_DIR, "hugetlbfs", 0, NULL);
1244 return clib_error_return (0, "not enough free huge pages");
1249 error = clib_error_return (0, "mount failed %d", errno);
1253 tmp = format (0, "--huge-dir%c", 0);
1254 vec_add1 (conf->eal_init_args, tmp);
1255 tmp = format (0, "%s%c", DEFAULT_HUGE_DIR, 0);
1256 vec_add1 (conf->eal_init_args, tmp);
1259 tmp = format (0, "--file-prefix%c", 0);
1260 vec_add1 (conf->eal_init_args, tmp);
1261 tmp = format (0, "vpp%c", 0);
1262 vec_add1 (conf->eal_init_args, tmp);
1272 /* I'll bet that -c and -n must be the first and second args... */
1273 if (!conf->coremask_set_manually)
1275 vlib_thread_registration_t * tr;
1276 uword * coremask = 0;
1279 /* main thread core */
1280 coremask = clib_bitmap_set(coremask, tm->main_lcore, 1);
1282 for (i = 0; i < vec_len (tm->registrations); i++)
1284 tr = tm->registrations[i];
1285 coremask = clib_bitmap_or(coremask, tr->coremask);
1288 vec_insert (conf->eal_init_args, 2, 1);
1289 conf->eal_init_args[1] = (u8 *) "-c";
1290 tmp = format (0, "%U%c", format_bitmap_hex, coremask, 0);
1291 conf->eal_init_args[2] = tmp;
1292 clib_bitmap_free(coremask);
1295 if (!conf->nchannels_set_manually)
1297 vec_insert (conf->eal_init_args, 2, 3);
1298 conf->eal_init_args[3] = (u8 *) "-n";
1299 tmp = format (0, "%d", conf->nchannels);
1300 conf->eal_init_args[4] = tmp;
1303 if (no_pci == 0 && geteuid() == 0)
1304 dpdk_bind_devices_to_uio(conf);
1307 if (devconf->x == 0 && conf->default_devconf.x > 0) \
1308 devconf->x = conf->default_devconf.x ;
1310 pool_foreach (devconf, conf->dev_confs, ({
1312 /* default per-device config items */
1313 foreach_dpdk_device_config_item
1315 /* add DPDK EAL whitelist/blacklist entry */
1316 if (num_whitelisted > 0 && devconf->is_blacklisted == 0)
1318 tmp = format (0, "-w%c", 0);
1319 vec_add1 (conf->eal_init_args, tmp);
1320 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1321 vec_add1 (conf->eal_init_args, tmp);
1323 else if (num_whitelisted == 0 && devconf->is_blacklisted != 0)
1325 tmp = format (0, "-b%c", 0);
1326 vec_add1 (conf->eal_init_args, tmp);
1327 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1328 vec_add1 (conf->eal_init_args, tmp);
1334 /* set master-lcore */
1335 tmp = format (0, "--master-lcore%c", 0);
1336 vec_add1 (conf->eal_init_args, tmp);
1337 tmp = format (0, "%u%c", tm->main_lcore, 0);
1338 vec_add1 (conf->eal_init_args, tmp);
1340 /* set socket-mem */
1341 tmp = format (0, "--socket-mem%c", 0);
1342 vec_add1 (conf->eal_init_args, tmp);
1343 tmp = format (0, "%s%c", socket_mem, 0);
1344 vec_add1 (conf->eal_init_args, tmp);
1346 /* NULL terminate the "argv" vector, in case of stupidity */
1347 vec_add1 (conf->eal_init_args, 0);
1348 _vec_len(conf->eal_init_args) -= 1;
1350 /* Set up DPDK eal and packet mbuf pool early. */
1352 log_level = (CLIB_DEBUG > 0) ? RTE_LOG_DEBUG : RTE_LOG_NOTICE;
1354 rte_set_log_level (log_level);
1356 vm = vlib_get_main ();
1358 /* make copy of args as rte_eal_init tends to mess up with arg array */
1359 for (i = 1; i < vec_len(conf->eal_init_args); i++)
1360 conf->eal_init_args_str = format(conf->eal_init_args_str, "%s ",
1361 conf->eal_init_args[i]);
1363 ret = rte_eal_init(vec_len(conf->eal_init_args), (char **) conf->eal_init_args);
1365 /* lazy umount hugepages */
1366 umount2(DEFAULT_HUGE_DIR, MNT_DETACH);
1369 return clib_error_return (0, "rte_eal_init returned %d", ret);
1371 /* Dump the physical memory layout prior to creating the mbuf_pool */
1372 fprintf(stdout, "DPDK physical memory layout:\n");
1373 rte_dump_physmem_layout(stdout);
1375 /* main thread 1st */
1376 error = vlib_buffer_pool_create(vm, conf->num_mbufs, rte_socket_id());
1380 for (i = 0; i < RTE_MAX_LCORE; i++)
1382 error = vlib_buffer_pool_create(vm, conf->num_mbufs,
1383 rte_lcore_to_socket_id(i));
1392 VLIB_CONFIG_FUNCTION (dpdk_config, "dpdk");
1394 void dpdk_update_link_state (dpdk_device_t * xd, f64 now)
1396 vnet_main_t * vnm = vnet_get_main();
1397 struct rte_eth_link prev_link = xd->link;
1399 u8 hw_flags_chg = 0;
1401 /* only update link state for PMD interfaces */
1402 if (xd->dev_type != VNET_DPDK_DEV_ETH)
1405 xd->time_last_link_update = now ? now : xd->time_last_link_update;
1406 memset(&xd->link, 0, sizeof(xd->link));
1407 rte_eth_link_get_nowait (xd->device_index, &xd->link);
1409 if (LINK_STATE_ELOGS)
1411 vlib_main_t * vm = vlib_get_main();
1412 ELOG_TYPE_DECLARE(e) = {
1414 "update-link-state: sw_if_index %d, admin_up %d,"
1415 "old link_state %d new link_state %d",
1416 .format_args = "i4i1i1i1",
1419 struct { u32 sw_if_index; u8 admin_up;
1420 u8 old_link_state; u8 new_link_state;} *ed;
1421 ed = ELOG_DATA (&vm->elog_main, e);
1422 ed->sw_if_index = xd->vlib_sw_if_index;
1423 ed->admin_up = xd->admin_up;
1424 ed->old_link_state = (u8)
1425 vnet_hw_interface_is_link_up (vnm, xd->vlib_hw_if_index);
1426 ed->new_link_state = (u8) xd->link.link_status;
1429 if ((xd->admin_up == 1) &&
1430 ((xd->link.link_status != 0) ^
1431 vnet_hw_interface_is_link_up (vnm, xd->vlib_hw_if_index)))
1434 hw_flags |= (xd->link.link_status ?
1435 VNET_HW_INTERFACE_FLAG_LINK_UP: 0);
1438 if (hw_flags_chg || (xd->link.link_duplex != prev_link.link_duplex))
1441 switch (xd->link.link_duplex)
1443 case ETH_LINK_HALF_DUPLEX:
1444 hw_flags |= VNET_HW_INTERFACE_FLAG_HALF_DUPLEX;
1446 case ETH_LINK_FULL_DUPLEX:
1447 hw_flags |= VNET_HW_INTERFACE_FLAG_FULL_DUPLEX;
1453 #if RTE_VERSION >= RTE_VERSION_NUM(16, 4, 0, 0)
1454 if (hw_flags_chg || (xd->link.link_speed != prev_link.link_speed))
1457 switch (xd->link.link_speed)
1459 case ETH_SPEED_NUM_10M:
1460 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10M;
1462 case ETH_SPEED_NUM_100M:
1463 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_100M;
1465 case ETH_SPEED_NUM_1G:
1466 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_1G;
1468 case ETH_SPEED_NUM_10G:
1469 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10G;
1471 case ETH_SPEED_NUM_40G:
1472 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_40G;
1477 clib_warning("unknown link speed %d", xd->link.link_speed);
1482 if (hw_flags_chg || (xd->link.link_speed != prev_link.link_speed))
1485 switch (xd->link.link_speed)
1487 case ETH_LINK_SPEED_10:
1488 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10M;
1490 case ETH_LINK_SPEED_100:
1491 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_100M;
1493 case ETH_LINK_SPEED_1000:
1494 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_1G;
1496 case ETH_LINK_SPEED_10000:
1497 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10G;
1499 case ETH_LINK_SPEED_40G:
1500 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_40G;
1505 clib_warning("unknown link speed %d", xd->link.link_speed);
1512 if (LINK_STATE_ELOGS)
1514 vlib_main_t * vm = vlib_get_main();
1516 ELOG_TYPE_DECLARE(e) = {
1517 .format = "update-link-state: sw_if_index %d, new flags %d",
1518 .format_args = "i4i4",
1521 struct { u32 sw_if_index; u32 flags; } *ed;
1522 ed = ELOG_DATA (&vm->elog_main, e);
1523 ed->sw_if_index = xd->vlib_sw_if_index;
1524 ed->flags = hw_flags;
1526 vnet_hw_interface_set_flags (vnm, xd->vlib_hw_if_index, hw_flags);
1531 dpdk_process (vlib_main_t * vm,
1532 vlib_node_runtime_t * rt,
1535 clib_error_t * error;
1536 vnet_main_t * vnm = vnet_get_main();
1537 dpdk_main_t * dm = &dpdk_main;
1538 ethernet_main_t * em = ðernet_main;
1540 vlib_thread_main_t * tm = vlib_get_thread_main();
1544 error = dpdk_lib_init (dm);
1547 * Turn on the input node if we found some devices to drive
1548 * and we're not running worker threads or i/o threads
1551 if (error == 0 && vec_len(dm->devices) > 0)
1553 if (tm->n_vlib_mains == 1)
1554 vlib_node_set_state (vm, dpdk_input_node.index,
1555 VLIB_NODE_STATE_POLLING);
1557 for (i=0; i < tm->n_vlib_mains; i++)
1558 if (vec_len(dm->devices_by_cpu[i]) > 0)
1559 vlib_node_set_state (vlib_mains[i], dpdk_input_node.index,
1560 VLIB_NODE_STATE_POLLING);
1564 clib_error_report (error);
1566 dpdk_vhost_user_process_init(&vu_state);
1568 dm->worker_thread_release = 1;
1570 f64 now = vlib_time_now (vm);
1571 vec_foreach (xd, dm->devices)
1573 dpdk_update_link_state (xd, now);
1576 { // Extra set up for bond interfaces:
1577 // 1. Setup MACs for bond interfaces and their slave links which was set
1578 // in dpdk_port_setup() but needs to be done again here to take effect.
1579 // 2. Set max L3 packet size of each bond interface to the lowerst value of
1581 // 3. Set up info for bond interface related CLI support.
1582 int nports = rte_eth_dev_count();
1584 for (i = 0; i < nports; i++) {
1585 struct rte_eth_dev_info dev_info;
1586 rte_eth_dev_info_get(i, &dev_info);
1587 if (!dev_info.driver_name)
1588 dev_info.driver_name = dev_info.pci_dev->driver->name;
1589 ASSERT(dev_info.driver_name);
1590 if (strncmp(dev_info.driver_name, "rte_bond_pmd", 12) == 0) {
1593 int nlink = rte_eth_bond_slaves_get(i, slink, 16);
1595 vnet_hw_interface_t * bhi;
1596 ethernet_interface_t * bei;
1597 /* Get MAC of 1st slave link */
1598 rte_eth_macaddr_get(slink[0], (struct ether_addr *)addr);
1599 /* Set MAC of bounded interface to that of 1st slave link */
1600 rte_eth_bond_mac_address_set(i, (struct ether_addr *)addr);
1601 /* Populate MAC of bonded interface in VPP hw tables */
1602 bhi = vnet_get_hw_interface(
1603 vnm, dm->devices[i].vlib_hw_if_index);
1604 bei = pool_elt_at_index(em->interfaces, bhi->hw_instance);
1605 clib_memcpy(bhi->hw_address, addr, 6);
1606 clib_memcpy(bei->address, addr, 6);
1607 /* Init l3 packet size allowed on bonded interface */
1608 bhi->max_l3_packet_bytes[VLIB_RX] =
1609 bhi->max_l3_packet_bytes[VLIB_TX] =
1610 ETHERNET_MAX_PACKET_BYTES - sizeof(ethernet_header_t);
1611 while (nlink >= 1) { /* for all slave links */
1612 int slave = slink[--nlink];
1613 dpdk_device_t * sdev = &dm->devices[slave];
1614 vnet_hw_interface_t * shi;
1615 vnet_sw_interface_t * ssi;
1616 /* Add MAC to all slave links except the first one */
1617 if (nlink) rte_eth_dev_mac_addr_add(
1618 slave, (struct ether_addr *)addr, 0);
1619 /* Set slaves bitmap for bonded interface */
1620 bhi->bond_info = clib_bitmap_set(
1621 bhi->bond_info, sdev->vlib_hw_if_index, 1);
1622 /* Set slave link flags on slave interface */
1623 shi = vnet_get_hw_interface(vnm, sdev->vlib_hw_if_index);
1624 ssi = vnet_get_sw_interface(vnm, sdev->vlib_sw_if_index);
1625 shi->bond_info = VNET_HW_INTERFACE_BOND_INFO_SLAVE;
1626 ssi->flags |= VNET_SW_INTERFACE_FLAG_BOND_SLAVE;
1627 /* Set l3 packet size allowed as the lowest of slave */
1628 if (bhi->max_l3_packet_bytes[VLIB_RX] >
1629 shi->max_l3_packet_bytes[VLIB_RX])
1630 bhi->max_l3_packet_bytes[VLIB_RX] =
1631 bhi->max_l3_packet_bytes[VLIB_TX] =
1632 shi->max_l3_packet_bytes[VLIB_RX];
1643 * check each time through the loop in case intervals are changed
1645 f64 min_wait = dm->link_state_poll_interval < dm->stat_poll_interval ?
1646 dm->link_state_poll_interval : dm->stat_poll_interval;
1648 vlib_process_wait_for_event_or_clock (vm, min_wait);
1650 if (dpdk_get_admin_up_down_in_progress())
1651 /* skip the poll if an admin up down is in progress (on any interface) */
1654 vec_foreach (xd, dm->devices)
1656 f64 now = vlib_time_now (vm);
1657 if ((now - xd->time_last_stats_update) >= dm->stat_poll_interval)
1658 dpdk_update_counters (xd, now);
1659 if ((now - xd->time_last_link_update) >= dm->link_state_poll_interval)
1660 dpdk_update_link_state (xd, now);
1662 if (xd->dev_type == VNET_DPDK_DEV_VHOST_USER)
1663 if (dpdk_vhost_user_process_if(vm, xd, vu_state) != 0)
1668 dpdk_vhost_user_process_cleanup(vu_state);
1673 VLIB_REGISTER_NODE (dpdk_process_node,static) = {
1674 .function = dpdk_process,
1675 .type = VLIB_NODE_TYPE_PROCESS,
1676 .name = "dpdk-process",
1677 .process_log2_n_stack_bytes = 17,
1680 int dpdk_set_stat_poll_interval (f64 interval)
1682 if (interval < DPDK_MIN_STATS_POLL_INTERVAL)
1683 return (VNET_API_ERROR_INVALID_VALUE);
1685 dpdk_main.stat_poll_interval = interval;
1690 int dpdk_set_link_state_poll_interval (f64 interval)
1692 if (interval < DPDK_MIN_LINK_POLL_INTERVAL)
1693 return (VNET_API_ERROR_INVALID_VALUE);
1695 dpdk_main.link_state_poll_interval = interval;
1701 dpdk_init (vlib_main_t * vm)
1703 dpdk_main_t * dm = &dpdk_main;
1705 clib_error_t * error = 0;
1706 vlib_thread_main_t * tm = vlib_get_thread_main();
1708 /* verify that structs are cacheline aligned */
1709 ASSERT(offsetof(dpdk_device_t, cacheline0) == 0);
1710 ASSERT(offsetof(dpdk_device_t, cacheline1) == CLIB_CACHE_LINE_BYTES);
1711 ASSERT(offsetof(dpdk_worker_t, cacheline0) == 0);
1712 ASSERT(offsetof(frame_queue_trace_t, cacheline0) == 0);
1715 dm->vnet_main = vnet_get_main();
1716 dm->conf = &dpdk_config_main;
1718 ei = vlib_get_node_by_name (vm, (u8 *) "ethernet-input");
1720 return clib_error_return (0, "ethernet-input node AWOL");
1722 dm->ethernet_input_node_index = ei->index;
1724 dm->conf->nchannels = 4;
1725 dm->conf->num_mbufs = dm->conf->num_mbufs ? dm->conf->num_mbufs : NB_MBUF;
1726 vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet");
1728 dm->dpdk_device_by_kni_port_id = hash_create (0, sizeof (uword));
1729 dm->vu_sw_if_index_by_listener_fd = hash_create (0, sizeof (uword));
1730 dm->vu_sw_if_index_by_sock_fd = hash_create (0, sizeof (uword));
1732 /* $$$ use n_thread_stacks since it's known-good at this point */
1733 vec_validate (dm->recycle, tm->n_thread_stacks - 1);
1735 /* initialize EFD (early fast discard) default settings */
1736 dm->efd.enabled = DPDK_EFD_DISABLED;
1737 dm->efd.queue_hi_thresh = ((DPDK_EFD_DEFAULT_DEVICE_QUEUE_HI_THRESH_PCT *
1738 DPDK_NB_RX_DESC_10GE)/100);
1739 dm->efd.consec_full_frames_hi_thresh =
1740 DPDK_EFD_DEFAULT_CONSEC_FULL_FRAMES_HI_THRESH;
1742 /* vhost-user coalescence frames defaults */
1743 dm->conf->vhost_coalesce_frames = 32;
1744 dm->conf->vhost_coalesce_time = 1e-3;
1746 /* Default vlib_buffer_t flags, DISABLES tcp/udp checksumming... */
1747 dm->buffer_flags_template =
1748 (VLIB_BUFFER_TOTAL_LENGTH_VALID
1749 | IP_BUFFER_L4_CHECKSUM_COMPUTED
1750 | IP_BUFFER_L4_CHECKSUM_CORRECT);
1752 dm->stat_poll_interval = DPDK_STATS_POLL_INTERVAL;
1753 dm->link_state_poll_interval = DPDK_LINK_POLL_INTERVAL;
1756 if ((error = vlib_call_init_function (vm, dpdk_cli_init)))
1762 VLIB_INIT_FUNCTION (dpdk_init);