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_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++)
290 struct rte_eth_dev_info dev_info;
292 struct rte_eth_link l;
293 dpdk_device_config_t * devconf = 0;
294 vlib_pci_addr_t pci_addr;
297 rte_eth_dev_info_get(i, &dev_info);
298 if (dev_info.pci_dev) /* bonded interface has no pci info */
300 pci_addr.domain = dev_info.pci_dev->addr.domain;
301 pci_addr.bus = dev_info.pci_dev->addr.bus;
302 pci_addr.slot = dev_info.pci_dev->addr.devid;
303 pci_addr.function = dev_info.pci_dev->addr.function;
304 p = hash_get (dm->conf->device_config_index_by_pci_addr, pci_addr.as_u32);
308 devconf = pool_elt_at_index (dm->conf->dev_confs, p[0]);
310 devconf = &dm->conf->default_devconf;
312 /* Create vnet interface */
313 vec_add2_aligned (dm->devices, xd, 1, CLIB_CACHE_LINE_BYTES);
314 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
315 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
316 xd->cpu_socket = (i8) rte_eth_dev_socket_id(i);
318 clib_memcpy(&xd->tx_conf, &dev_info.default_txconf,
319 sizeof(struct rte_eth_txconf));
320 if (dm->conf->no_multi_seg)
322 xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
323 port_conf_template.rxmode.jumbo_frame = 0;
327 xd->tx_conf.txq_flags &= ~ETH_TXQ_FLAGS_NOMULTSEGS;
328 port_conf_template.rxmode.jumbo_frame = 1;
331 clib_memcpy(&xd->port_conf, &port_conf_template, sizeof(struct rte_eth_conf));
333 xd->tx_q_used = clib_min(dev_info.max_tx_queues, tm->n_vlib_mains);
335 if (devconf->num_tx_queues > 0 && devconf->num_tx_queues < xd->tx_q_used)
336 xd->tx_q_used = clib_min(xd->tx_q_used, devconf->num_tx_queues);
338 if (devconf->num_rx_queues > 1 && dm->use_rss == 0)
340 rt->function = dpdk_input_rss_multiarch_select();
344 if (devconf->num_rx_queues > 1 && dev_info.max_rx_queues >= devconf->num_rx_queues)
346 xd->rx_q_used = devconf->num_rx_queues;
347 xd->port_conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
348 if (devconf->rss_fn == 0)
349 xd->port_conf.rx_adv_conf.rss_conf.rss_hf = ETH_RSS_IP | ETH_RSS_UDP | ETH_RSS_TCP;
351 xd->port_conf.rx_adv_conf.rss_conf.rss_hf = devconf->rss_fn;
356 xd->dev_type = VNET_DPDK_DEV_ETH;
358 /* workaround for drivers not setting driver_name */
359 if ((!dev_info.driver_name) && (dev_info.pci_dev))
360 dev_info.driver_name = dev_info.pci_dev->driver->name;
361 ASSERT(dev_info.driver_name);
366 #define _(s,f) else if (!strcmp(dev_info.driver_name, s)) \
367 xd->pmd = VNET_DPDK_PMD_##f;
373 xd->pmd = VNET_DPDK_PMD_UNKNOWN;
378 case VNET_DPDK_PMD_E1000EM:
379 case VNET_DPDK_PMD_IGB:
380 case VNET_DPDK_PMD_IGBVF:
381 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
385 case VNET_DPDK_PMD_IXGBE:
386 case VNET_DPDK_PMD_IXGBEVF:
387 case VNET_DPDK_PMD_THUNDERX:
388 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
389 xd->nb_rx_desc = DPDK_NB_RX_DESC_10GE;
390 xd->nb_tx_desc = DPDK_NB_TX_DESC_10GE;
392 case VNET_DPDK_PMD_DPAA2:
393 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
397 case VNET_DPDK_PMD_ENIC:
398 rte_eth_link_get_nowait(i, &l);
399 xd->nb_rx_desc = DPDK_NB_RX_DESC_ENIC;
400 if (l.link_speed == 40000)
402 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
403 xd->nb_tx_desc = DPDK_NB_TX_DESC_40GE;
407 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
408 xd->nb_tx_desc = DPDK_NB_TX_DESC_10GE;
412 /* Intel Fortville */
413 case VNET_DPDK_PMD_I40E:
414 case VNET_DPDK_PMD_I40EVF:
415 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
416 xd->nb_rx_desc = DPDK_NB_RX_DESC_40GE;
417 xd->nb_tx_desc = DPDK_NB_TX_DESC_40GE;
419 switch (dev_info.pci_dev->id.device_id) {
420 case I40E_DEV_ID_10G_BASE_T:
421 case I40E_DEV_ID_SFP_XL710:
422 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
424 case I40E_DEV_ID_QSFP_A:
425 case I40E_DEV_ID_QSFP_B:
426 case I40E_DEV_ID_QSFP_C:
427 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
430 rte_eth_link_get_nowait(i, &l);
431 xd->port_type = l.link_speed == 10000 ?
432 VNET_DPDK_PORT_TYPE_ETH_10G : VNET_DPDK_PORT_TYPE_ETH_40G;
435 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
439 case VNET_DPDK_PMD_CXGBE:
440 switch (dev_info.pci_dev->id.device_id) {
441 case 0x5410: /* T580-LP-cr */
442 xd->nb_rx_desc = DPDK_NB_RX_DESC_40GE;
443 xd->nb_tx_desc = DPDK_NB_TX_DESC_40GE;
444 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
447 xd->nb_rx_desc = DPDK_NB_RX_DESC_10GE;
448 xd->nb_tx_desc = DPDK_NB_TX_DESC_10GE;
449 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
453 /* Intel Red Rock Canyon */
454 case VNET_DPDK_PMD_FM10K:
455 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_SWITCH;
456 xd->nb_rx_desc = DPDK_NB_RX_DESC_40GE;
457 xd->nb_tx_desc = DPDK_NB_TX_DESC_40GE;
461 case VNET_DPDK_PMD_VIRTIO:
462 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
463 xd->nb_rx_desc = DPDK_NB_RX_DESC_VIRTIO;
464 xd->nb_tx_desc = DPDK_NB_TX_DESC_VIRTIO;
468 case VNET_DPDK_PMD_VMXNET3:
469 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
470 xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
473 case VNET_DPDK_PMD_AF_PACKET:
474 xd->port_type = VNET_DPDK_PORT_TYPE_AF_PACKET;
475 xd->af_packet_port_id = af_packet_port_id++;
478 case VNET_DPDK_PMD_BOND:
479 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_BOND;
483 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
486 if (devconf->num_rx_desc)
487 xd->nb_rx_desc = devconf->num_rx_desc;
489 if (devconf->num_tx_desc)
490 xd->nb_tx_desc = devconf->num_tx_desc;
494 * Ensure default mtu is not > the mtu read from the hardware.
495 * Otherwise rte_eth_dev_configure() will fail and the port will
498 if (ETHERNET_MAX_PACKET_BYTES > dev_info.max_rx_pktlen)
501 * This device does not support the platforms's max frame
502 * size. Use it's advertised mru instead.
504 xd->port_conf.rxmode.max_rx_pkt_len = dev_info.max_rx_pktlen;
508 xd->port_conf.rxmode.max_rx_pkt_len = ETHERNET_MAX_PACKET_BYTES;
511 * Some platforms do not account for Ethernet FCS (4 bytes) in
512 * MTU calculations. To interop with them increase mru but only
513 * if the device's settings can support it.
515 if ((dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES + 4)) &&
516 xd->port_conf.rxmode.hw_strip_crc)
519 * Allow additional 4 bytes (for Ethernet FCS). These bytes are
520 * stripped by h/w and so will not consume any buffer memory.
522 xd->port_conf.rxmode.max_rx_pkt_len += 4;
526 #if RTE_VERSION < RTE_VERSION_NUM(16, 4, 0, 0)
528 * Older VMXNET3 driver doesn't support jumbo / multi-buffer pkts
530 if (xd->pmd == VNET_DPDK_PMD_VMXNET3)
532 xd->port_conf.rxmode.max_rx_pkt_len = 1518;
533 xd->port_conf.rxmode.jumbo_frame = 0;
537 if (xd->pmd == VNET_DPDK_PMD_AF_PACKET)
539 f64 now = vlib_time_now(vm);
541 rnd = (u32) (now * 1e6);
542 rnd = random_u32 (&rnd);
543 clib_memcpy (addr+2, &rnd, sizeof(rnd));
548 rte_eth_macaddr_get(i,(struct ether_addr *)addr);
550 if (xd->tx_q_used < tm->n_vlib_mains)
551 dpdk_device_lock_init(xd);
553 xd->device_index = xd - dm->devices;
554 ASSERT(i == xd->device_index);
555 xd->per_interface_next_index = ~0;
557 /* assign interface to input thread */
558 dpdk_device_and_queue_t * dq;
561 if (devconf->workers)
565 clib_bitmap_foreach (i, devconf->workers, ({
566 int cpu = dm->input_cpu_first_index + i;
567 unsigned lcore = vlib_worker_threads[cpu].dpdk_lcore_id;
568 vec_validate(xd->cpu_socket_id_by_queue, q);
569 xd->cpu_socket_id_by_queue[q] = rte_lcore_to_socket_id(lcore);
570 vec_add2(dm->devices_by_cpu[cpu], dq, 1);
571 dq->device = xd->device_index;
576 for (q = 0; q < xd->rx_q_used; q++)
578 int cpu = dm->input_cpu_first_index + next_cpu;
579 unsigned lcore = vlib_worker_threads[cpu].dpdk_lcore_id;
582 * numa node for worker thread handling this queue
583 * needed for taking buffers from the right mempool
585 vec_validate(xd->cpu_socket_id_by_queue, q);
586 xd->cpu_socket_id_by_queue[q] = rte_lcore_to_socket_id(lcore);
589 * construct vector of (device,queue) pairs for each worker thread
591 vec_add2(dm->devices_by_cpu[cpu], dq, 1);
592 dq->device = xd->device_index;
596 if (next_cpu == dm->input_cpu_count)
600 vec_validate_aligned (xd->tx_vectors, tm->n_vlib_mains,
601 CLIB_CACHE_LINE_BYTES);
602 for (j = 0; j < tm->n_vlib_mains; j++)
604 vec_validate_ha (xd->tx_vectors[j], DPDK_TX_RING_SIZE,
605 sizeof(tx_ring_hdr_t), CLIB_CACHE_LINE_BYTES);
606 vec_reset_length (xd->tx_vectors[j]);
609 vec_validate_aligned (xd->rx_vectors, xd->rx_q_used,
610 CLIB_CACHE_LINE_BYTES);
611 for (j = 0; j< xd->rx_q_used; j++)
613 vec_validate_aligned (xd->rx_vectors[j], VLIB_FRAME_SIZE-1,
614 CLIB_CACHE_LINE_BYTES);
615 vec_reset_length (xd->rx_vectors[j]);
618 vec_validate_aligned (xd->frames, tm->n_vlib_mains,
619 CLIB_CACHE_LINE_BYTES);
621 rv = dpdk_port_setup(dm, xd);
626 /* count the number of descriptors used for this device */
627 nb_desc += xd->nb_rx_desc + xd->nb_tx_desc * xd->tx_q_used;
629 error = ethernet_register_interface
631 dpdk_device_class.index,
633 /* ethernet address */ addr,
634 &xd->vlib_hw_if_index,
639 sw = vnet_get_hw_sw_interface (dm->vnet_main, xd->vlib_hw_if_index);
640 xd->vlib_sw_if_index = sw->sw_if_index;
641 hi = vnet_get_hw_interface (dm->vnet_main, xd->vlib_hw_if_index);
644 * DAW-FIXME: The Cisco VIC firmware does not provide an api for a
645 * driver to dynamically change the mtu. If/when the
646 * VIC firmware gets fixed, then this should be removed.
648 if (xd->pmd == VNET_DPDK_PMD_ENIC)
651 * Initialize mtu to what has been set by CIMC in the firmware cfg.
653 hi->max_packet_bytes = dev_info.max_rx_pktlen;
655 * remove vlan tag from VIC port to fix VLAN0 issue.
656 * TODO Handle VLAN tagged traffic
659 vlan_off = rte_eth_dev_get_vlan_offload(xd->device_index);
660 vlan_off |= ETH_VLAN_STRIP_OFFLOAD;
661 rte_eth_dev_set_vlan_offload(xd->device_index, vlan_off);
664 #if RTE_VERSION < RTE_VERSION_NUM(16, 4, 0, 0)
666 * Older VMXNET3 driver doesn't support jumbo / multi-buffer pkts
668 else if (xd->pmd == VNET_DPDK_PMD_VMXNET3)
669 hi->max_packet_bytes = 1518;
672 hi->max_l3_packet_bytes[VLIB_RX] = hi->max_l3_packet_bytes[VLIB_TX] =
673 xd->port_conf.rxmode.max_rx_pkt_len - sizeof(ethernet_header_t);
675 rte_eth_dev_set_mtu(xd->device_index, hi->max_packet_bytes);
678 #ifdef RTE_LIBRTE_KNI
679 if (dm->conf->num_kni) {
680 clib_warning("Initializing KNI interfaces...");
681 rte_kni_init(dm->conf->num_kni);
682 for (i = 0; i < dm->conf->num_kni; i++)
687 /* Create vnet interface */
688 vec_add2_aligned (dm->devices, xd, 1, CLIB_CACHE_LINE_BYTES);
689 xd->dev_type = VNET_DPDK_DEV_KNI;
691 xd->device_index = xd - dm->devices;
692 ASSERT(nports + i == xd->device_index);
693 xd->per_interface_next_index = ~0;
696 hash_set (dm->dpdk_device_by_kni_port_id, i, xd - dm->devices);
699 /* assign interface to input thread */
700 dpdk_device_and_queue_t * dq;
701 vec_add2(dm->devices_by_cpu[dm->input_cpu_first_index], dq, 1);
702 dq->device = xd->device_index;
705 vec_validate_aligned (xd->tx_vectors, tm->n_vlib_mains,
706 CLIB_CACHE_LINE_BYTES);
707 for (j = 0; j < tm->n_vlib_mains; j++)
709 vec_validate_ha (xd->tx_vectors[j], DPDK_TX_RING_SIZE,
710 sizeof(tx_ring_hdr_t), CLIB_CACHE_LINE_BYTES);
711 vec_reset_length (xd->tx_vectors[j]);
714 vec_validate_aligned (xd->rx_vectors, xd->rx_q_used,
715 CLIB_CACHE_LINE_BYTES);
716 for (j = 0; j< xd->rx_q_used; j++)
718 vec_validate_aligned (xd->rx_vectors[j], VLIB_FRAME_SIZE-1,
719 CLIB_CACHE_LINE_BYTES);
720 vec_reset_length (xd->rx_vectors[j]);
723 vec_validate_aligned (xd->frames, tm->n_vlib_mains,
724 CLIB_CACHE_LINE_BYTES);
726 /* FIXME Set up one TX-queue per worker thread */
729 f64 now = vlib_time_now(vm);
731 rnd = (u32) (now * 1e6);
732 rnd = random_u32 (&rnd);
734 clib_memcpy (addr+2, &rnd, sizeof(rnd));
739 error = ethernet_register_interface
741 dpdk_device_class.index,
743 /* ethernet address */ addr,
744 &xd->vlib_hw_if_index,
750 sw = vnet_get_hw_sw_interface (dm->vnet_main, xd->vlib_hw_if_index);
751 xd->vlib_sw_if_index = sw->sw_if_index;
752 hi = vnet_get_hw_interface (dm->vnet_main, xd->vlib_hw_if_index);
757 if (nb_desc > dm->conf->num_mbufs)
758 clib_warning ("%d mbufs allocated but total rx/tx ring size is %d\n",
759 dm->conf->num_mbufs, nb_desc);
761 /* init next vhost-user if index */
762 dm->next_vu_if_id = 0;
768 dpdk_bind_devices_to_uio (dpdk_config_main_t * conf)
770 vlib_pci_main_t * pm = &pci_main;
771 clib_error_t * error;
772 vlib_pci_device_t * d;
773 pci_config_header_t * c;
775 int num_whitelisted = vec_len (conf->dev_confs);
777 pool_foreach (d, pm->pci_devs, ({
778 dpdk_device_config_t * devconf = 0;
779 c = &d->config0.header;
780 vec_reset_length (pci_addr);
781 pci_addr = format (pci_addr, "%U%c", format_vlib_pci_addr, &d->bus_address, 0);
783 if (c->device_class != PCI_CLASS_NETWORK_ETHERNET)
788 uword * p = hash_get (conf->device_config_index_by_pci_addr, d->bus_address.as_u32);
793 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
797 if (c->vendor_id == 0x1af4 && c->device_id == 0x1000)
800 else if (c->vendor_id == 0x15ad && c->device_id == 0x07b0)
802 /* all Intel devices */
803 else if (c->vendor_id == 0x8086)
806 else if (c->vendor_id == 0x1137 && c->device_id == 0x0043)
809 else if (c->vendor_id == 0x1425 && (c->device_id & 0xe000) == 0x4000)
813 clib_warning ("Unsupported Ethernet PCI device 0x%04x:0x%04x found "
814 "at PCI address %s\n", (u16) c->vendor_id, (u16) c->device_id,
819 error = vlib_pci_bind_to_uio (d, (char *) conf->uio_driver_name);
825 pool_get (conf->dev_confs, devconf);
826 hash_set (conf->device_config_index_by_pci_addr, d->bus_address.as_u32,
827 devconf - conf->dev_confs);
828 devconf->pci_addr.as_u32 = d->bus_address.as_u32;
830 devconf->is_blacklisted = 1;
831 clib_error_report (error);
837 static clib_error_t *
838 dpdk_device_config (dpdk_config_main_t * conf, vlib_pci_addr_t pci_addr, unformat_input_t * input, u8 is_default)
840 clib_error_t * error = 0;
842 dpdk_device_config_t * devconf;
843 unformat_input_t sub_input;
847 devconf = &conf->default_devconf;
851 p = hash_get (conf->device_config_index_by_pci_addr, pci_addr.as_u32);
855 pool_get (conf->dev_confs, devconf);
856 hash_set (conf->device_config_index_by_pci_addr, pci_addr.as_u32, devconf - conf->dev_confs);
859 return clib_error_return(0, "duplicate configuration for PCI address %U",
860 format_vlib_pci_addr, &pci_addr);
863 devconf->pci_addr.as_u32 = pci_addr.as_u32;
868 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
870 if (unformat (input, "num-rx-queues %u", &devconf->num_rx_queues))
872 else if (unformat (input, "num-tx-queues %u", &devconf->num_tx_queues))
874 else if (unformat (input, "num-rx-desc %u", &devconf->num_rx_desc))
876 else if (unformat (input, "num-tx-desc %u", &devconf->num_tx_desc))
878 else if (unformat (input, "workers %U", unformat_bitmap_list,
881 else if (unformat (input, "rss %U", unformat_vlib_cli_sub_input, &sub_input))
883 error = unformat_rss_fn(&sub_input, &devconf->rss_fn);
889 error = clib_error_return (0, "unknown input `%U'",
890 format_unformat_error, input);
898 if (devconf->workers && devconf->num_rx_queues == 0)
899 devconf->num_rx_queues = clib_bitmap_count_set_bits(devconf->workers);
900 else if (devconf->workers &&
901 clib_bitmap_count_set_bits(devconf->workers) != devconf->num_rx_queues)
902 error = clib_error_return (0, "%U: number of worker threadds must be "
903 "equal to number of rx queues",
904 format_vlib_pci_addr, &pci_addr);
909 static clib_error_t *
910 dpdk_config (vlib_main_t * vm, unformat_input_t * input)
912 clib_error_t * error = 0;
913 dpdk_main_t * dm = &dpdk_main;
914 dpdk_config_main_t * conf = &dpdk_config_main;
915 vlib_thread_main_t * tm = vlib_get_thread_main();
916 dpdk_device_config_t * devconf;
917 vlib_pci_addr_t pci_addr;
918 unformat_input_t sub_input;
920 u8 * rte_cmd = 0, * ethname = 0;
923 int num_whitelisted = 0;
930 conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
932 // MATT-FIXME: inverted virtio-vhost logic to use virtio by default
933 conf->use_virtio_vhost = 1;
935 while (unformat_check_input(input) != UNFORMAT_END_OF_INPUT)
938 if (unformat (input, "no-hugetlb"))
940 vec_add1 (conf->eal_init_args, (u8 *) "no-huge");
944 else if (unformat (input, "enable-tcp-udp-checksum"))
945 conf->enable_tcp_udp_checksum = 1;
947 else if (unformat (input, "decimal-interface-names"))
948 conf->interface_name_format_decimal = 1;
950 else if (unformat (input, "no-multi-seg"))
951 conf->no_multi_seg = 1;
953 else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input,
956 error = dpdk_device_config (conf, (vlib_pci_addr_t) (u32) ~1, &sub_input, 1);
961 else if (unformat (input, "dev %U %U", unformat_vlib_pci_addr, &pci_addr,
962 unformat_vlib_cli_sub_input, &sub_input))
964 error = dpdk_device_config (conf, pci_addr, &sub_input, 0);
971 else if (unformat (input, "dev %U", unformat_vlib_pci_addr, &pci_addr))
973 error = dpdk_device_config (conf, pci_addr, 0, 0);
980 else if (unformat (input, "num-mbufs %d", &conf->num_mbufs))
982 else if (unformat (input, "kni %d", &conf->num_kni))
984 else if (unformat (input, "uio-driver %s", &conf->uio_driver_name))
986 else if (unformat (input, "socket-mem %s", &socket_mem))
988 else if (unformat (input, "vhost-user-coalesce-frames %d", &conf->vhost_coalesce_frames))
990 else if (unformat (input, "vhost-user-coalesce-time %f", &conf->vhost_coalesce_time))
992 else if (unformat (input, "enable-vhost-user"))
993 conf->use_virtio_vhost = 0;
994 else if (unformat (input, "poll-sleep %d", &dm->poll_sleep))
998 else if (unformat(input, #a)) \
1000 if (!strncmp(#a, "no-pci", 6)) \
1002 tmp = format (0, "--%s%c", #a, 0); \
1003 vec_add1 (conf->eal_init_args, tmp); \
1005 foreach_eal_double_hyphen_predicate_arg
1009 else if (unformat(input, #a " %s", &s)) \
1011 if (!strncmp(#a, "huge-dir", 8)) \
1013 else if (!strncmp(#a, "file-prefix", 11)) \
1015 tmp = format (0, "--%s%c", #a, 0); \
1016 vec_add1 (conf->eal_init_args, tmp); \
1018 vec_add1 (conf->eal_init_args, s); \
1020 foreach_eal_double_hyphen_arg
1024 else if (unformat(input, #a " %s", &s)) \
1026 tmp = format (0, "-%s%c", #b, 0); \
1027 vec_add1 (conf->eal_init_args, tmp); \
1029 vec_add1 (conf->eal_init_args, s); \
1031 foreach_eal_single_hyphen_arg
1035 else if (unformat(input, #a " %s", &s)) \
1037 tmp = format (0, "-%s%c", #b, 0); \
1038 vec_add1 (conf->eal_init_args, tmp); \
1040 vec_add1 (conf->eal_init_args, s); \
1041 conf->a##_set_manually = 1; \
1043 foreach_eal_single_hyphen_mandatory_arg
1046 else if (unformat(input, "default"))
1051 error = clib_error_return (0, "unknown input `%U'",
1052 format_unformat_error, input);
1057 if (!conf->uio_driver_name)
1058 conf->uio_driver_name = format (0, "igb_uio%c", 0);
1061 * Use 1G huge pages if available.
1063 if (!no_huge && !huge_dir)
1065 u32 x, * mem_by_socket = 0;
1069 u8 less_than_1g = 1;
1072 umount(DEFAULT_HUGE_DIR);
1074 /* Process "socket-mem" parameter value */
1075 if (vec_len (socket_mem))
1077 unformat_input_t in;
1078 unformat_init_vector(&in, socket_mem);
1079 while (unformat_check_input (&in) != UNFORMAT_END_OF_INPUT)
1081 if (unformat (&in, "%u,", &x))
1083 else if (unformat (&in, "%u", &x))
1085 else if (unformat (&in, ","))
1090 vec_add1(mem_by_socket, x);
1095 /* Note: unformat_free vec_frees(in.buffer), aka socket_mem... */
1101 clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
1103 vec_validate(mem_by_socket, c);
1104 mem_by_socket[c] = 256; /* default per-socket mem */
1109 /* check if available enough 1GB pages for each socket */
1110 clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
1112 u32 pages_avail, page_size, mem;
1115 char * numa_path = "/sys/devices/system/node/node%u/";
1116 char * nonnuma_path = "/sys/kernel/mm/";
1117 char * suffix = "hugepages/hugepages-%ukB/free_hugepages%c";
1119 struct stat sb_numa, sb_nonnuma;
1121 p = format(p, numa_path, c);
1122 stat(numa_path, &sb_numa);
1123 stat(nonnuma_path, &sb_nonnuma);
1125 if (S_ISDIR(sb_numa.st_mode)) {
1126 path = (char*)format((u8*)path, "%s%s", p, suffix);
1127 } else if (S_ISDIR(sb_nonnuma.st_mode)) {
1128 path = (char*)format((u8*)path, "%s%s", nonnuma_path, suffix);
1136 vec_validate(mem_by_socket, c);
1137 mem = mem_by_socket[c];
1141 s = format (s, path, page_size * 1024, 0);
1142 vlib_sysfs_read ((char *) s, "%u", &pages_avail);
1143 vec_reset_length (s);
1145 if (page_size * pages_avail < mem)
1150 s = format (s, path, page_size * 1024, 0);
1151 vlib_sysfs_read ((char *) s, "%u", &pages_avail);
1152 vec_reset_length (s);
1154 if (page_size * pages_avail < mem)
1161 _vec_len (mem_by_socket) = c + 1;
1163 /* regenerate socket_mem string */
1164 vec_foreach_index (x, mem_by_socket)
1165 socket_mem = format (socket_mem, "%s%u",
1166 socket_mem ? "," : "",
1168 socket_mem = format (socket_mem, "%c", 0);
1170 vec_free (mem_by_socket);
1172 rv = mkdir(VPP_RUN_DIR, 0755);
1173 if (rv && errno != EEXIST)
1175 error = clib_error_return (0, "mkdir '%s' failed errno %d",
1176 VPP_RUN_DIR, errno);
1180 rv = mkdir(DEFAULT_HUGE_DIR, 0755);
1181 if (rv && errno != EEXIST)
1183 error = clib_error_return (0, "mkdir '%s' failed errno %d",
1184 DEFAULT_HUGE_DIR, errno);
1188 if (use_1g && !(less_than_1g && use_2m))
1190 rv = mount("none", DEFAULT_HUGE_DIR, "hugetlbfs", 0, "pagesize=1G");
1194 rv = mount("none", DEFAULT_HUGE_DIR, "hugetlbfs", 0, NULL);
1198 return clib_error_return (0, "not enough free huge pages");
1203 error = clib_error_return (0, "mount failed %d", errno);
1207 tmp = format (0, "--huge-dir%c", 0);
1208 vec_add1 (conf->eal_init_args, tmp);
1209 tmp = format (0, "%s%c", DEFAULT_HUGE_DIR, 0);
1210 vec_add1 (conf->eal_init_args, tmp);
1213 tmp = format (0, "--file-prefix%c", 0);
1214 vec_add1 (conf->eal_init_args, tmp);
1215 tmp = format (0, "vpp%c", 0);
1216 vec_add1 (conf->eal_init_args, tmp);
1226 /* I'll bet that -c and -n must be the first and second args... */
1227 if (!conf->coremask_set_manually)
1229 vlib_thread_registration_t * tr;
1230 uword * coremask = 0;
1233 /* main thread core */
1234 coremask = clib_bitmap_set(coremask, tm->main_lcore, 1);
1236 for (i = 0; i < vec_len (tm->registrations); i++)
1238 tr = tm->registrations[i];
1239 coremask = clib_bitmap_or(coremask, tr->coremask);
1242 vec_insert (conf->eal_init_args, 2, 1);
1243 conf->eal_init_args[1] = (u8 *) "-c";
1244 tmp = format (0, "%U%c", format_bitmap_hex, coremask, 0);
1245 conf->eal_init_args[2] = tmp;
1246 clib_bitmap_free(coremask);
1249 if (!conf->nchannels_set_manually)
1251 vec_insert (conf->eal_init_args, 2, 3);
1252 conf->eal_init_args[3] = (u8 *) "-n";
1253 tmp = format (0, "%d", conf->nchannels);
1254 conf->eal_init_args[4] = tmp;
1257 if (no_pci == 0 && geteuid() == 0)
1258 dpdk_bind_devices_to_uio(conf);
1261 if (devconf->x == 0 && conf->default_devconf.x > 0) \
1262 devconf->x = conf->default_devconf.x ;
1264 pool_foreach (devconf, conf->dev_confs, ({
1266 /* default per-device config items */
1267 foreach_dpdk_device_config_item
1269 /* add DPDK EAL whitelist/blacklist entry */
1270 if (num_whitelisted > 0 && devconf->is_blacklisted == 0)
1272 tmp = format (0, "-w%c", 0);
1273 vec_add1 (conf->eal_init_args, tmp);
1274 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1275 vec_add1 (conf->eal_init_args, tmp);
1277 else if (num_whitelisted == 0 && devconf->is_blacklisted != 0)
1279 tmp = format (0, "-b%c", 0);
1280 vec_add1 (conf->eal_init_args, tmp);
1281 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1282 vec_add1 (conf->eal_init_args, tmp);
1288 /* set master-lcore */
1289 tmp = format (0, "--master-lcore%c", 0);
1290 vec_add1 (conf->eal_init_args, tmp);
1291 tmp = format (0, "%u%c", tm->main_lcore, 0);
1292 vec_add1 (conf->eal_init_args, tmp);
1294 /* set socket-mem */
1295 tmp = format (0, "--socket-mem%c", 0);
1296 vec_add1 (conf->eal_init_args, tmp);
1297 tmp = format (0, "%s%c", socket_mem, 0);
1298 vec_add1 (conf->eal_init_args, tmp);
1300 /* NULL terminate the "argv" vector, in case of stupidity */
1301 vec_add1 (conf->eal_init_args, 0);
1302 _vec_len(conf->eal_init_args) -= 1;
1304 /* Set up DPDK eal and packet mbuf pool early. */
1306 log_level = (CLIB_DEBUG > 0) ? RTE_LOG_DEBUG : RTE_LOG_NOTICE;
1308 rte_set_log_level (log_level);
1310 vm = vlib_get_main ();
1312 /* make copy of args as rte_eal_init tends to mess up with arg array */
1313 for (i = 1; i < vec_len(conf->eal_init_args); i++)
1314 conf->eal_init_args_str = format(conf->eal_init_args_str, "%s ",
1315 conf->eal_init_args[i]);
1317 ret = rte_eal_init(vec_len(conf->eal_init_args), (char **) conf->eal_init_args);
1319 /* lazy umount hugepages */
1320 umount2(DEFAULT_HUGE_DIR, MNT_DETACH);
1323 return clib_error_return (0, "rte_eal_init returned %d", ret);
1325 /* Dump the physical memory layout prior to creating the mbuf_pool */
1326 fprintf(stdout, "DPDK physical memory layout:\n");
1327 rte_dump_physmem_layout(stdout);
1329 /* main thread 1st */
1330 error = vlib_buffer_pool_create(vm, conf->num_mbufs, rte_socket_id());
1334 for (i = 0; i < RTE_MAX_LCORE; i++)
1336 error = vlib_buffer_pool_create(vm, conf->num_mbufs,
1337 rte_lcore_to_socket_id(i));
1346 VLIB_CONFIG_FUNCTION (dpdk_config, "dpdk");
1348 void dpdk_update_link_state (dpdk_device_t * xd, f64 now)
1350 vnet_main_t * vnm = vnet_get_main();
1351 struct rte_eth_link prev_link = xd->link;
1353 u8 hw_flags_chg = 0;
1355 /* only update link state for PMD interfaces */
1356 if (xd->dev_type != VNET_DPDK_DEV_ETH)
1359 xd->time_last_link_update = now ? now : xd->time_last_link_update;
1360 memset(&xd->link, 0, sizeof(xd->link));
1361 rte_eth_link_get_nowait (xd->device_index, &xd->link);
1363 if (LINK_STATE_ELOGS)
1365 vlib_main_t * vm = vlib_get_main();
1366 ELOG_TYPE_DECLARE(e) = {
1368 "update-link-state: sw_if_index %d, admin_up %d,"
1369 "old link_state %d new link_state %d",
1370 .format_args = "i4i1i1i1",
1373 struct { u32 sw_if_index; u8 admin_up;
1374 u8 old_link_state; u8 new_link_state;} *ed;
1375 ed = ELOG_DATA (&vm->elog_main, e);
1376 ed->sw_if_index = xd->vlib_sw_if_index;
1377 ed->admin_up = xd->admin_up;
1378 ed->old_link_state = (u8)
1379 vnet_hw_interface_is_link_up (vnm, xd->vlib_hw_if_index);
1380 ed->new_link_state = (u8) xd->link.link_status;
1383 if ((xd->admin_up == 1) &&
1384 ((xd->link.link_status != 0) ^
1385 vnet_hw_interface_is_link_up (vnm, xd->vlib_hw_if_index)))
1388 hw_flags |= (xd->link.link_status ?
1389 VNET_HW_INTERFACE_FLAG_LINK_UP: 0);
1392 if (hw_flags_chg || (xd->link.link_duplex != prev_link.link_duplex))
1395 switch (xd->link.link_duplex)
1397 case ETH_LINK_HALF_DUPLEX:
1398 hw_flags |= VNET_HW_INTERFACE_FLAG_HALF_DUPLEX;
1400 case ETH_LINK_FULL_DUPLEX:
1401 hw_flags |= VNET_HW_INTERFACE_FLAG_FULL_DUPLEX;
1407 #if RTE_VERSION >= RTE_VERSION_NUM(16, 4, 0, 0)
1408 if (hw_flags_chg || (xd->link.link_speed != prev_link.link_speed))
1411 switch (xd->link.link_speed)
1413 case ETH_SPEED_NUM_10M:
1414 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10M;
1416 case ETH_SPEED_NUM_100M:
1417 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_100M;
1419 case ETH_SPEED_NUM_1G:
1420 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_1G;
1422 case ETH_SPEED_NUM_10G:
1423 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10G;
1425 case ETH_SPEED_NUM_40G:
1426 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_40G;
1431 clib_warning("unknown link speed %d", xd->link.link_speed);
1436 if (hw_flags_chg || (xd->link.link_speed != prev_link.link_speed))
1439 switch (xd->link.link_speed)
1441 case ETH_LINK_SPEED_10:
1442 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10M;
1444 case ETH_LINK_SPEED_100:
1445 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_100M;
1447 case ETH_LINK_SPEED_1000:
1448 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_1G;
1450 case ETH_LINK_SPEED_10000:
1451 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10G;
1453 case ETH_LINK_SPEED_40G:
1454 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_40G;
1459 clib_warning("unknown link speed %d", xd->link.link_speed);
1466 if (LINK_STATE_ELOGS)
1468 vlib_main_t * vm = vlib_get_main();
1470 ELOG_TYPE_DECLARE(e) = {
1471 .format = "update-link-state: sw_if_index %d, new flags %d",
1472 .format_args = "i4i4",
1475 struct { u32 sw_if_index; u32 flags; } *ed;
1476 ed = ELOG_DATA (&vm->elog_main, e);
1477 ed->sw_if_index = xd->vlib_sw_if_index;
1478 ed->flags = hw_flags;
1480 vnet_hw_interface_set_flags (vnm, xd->vlib_hw_if_index, hw_flags);
1485 dpdk_process (vlib_main_t * vm,
1486 vlib_node_runtime_t * rt,
1489 clib_error_t * error;
1490 vnet_main_t * vnm = vnet_get_main();
1491 dpdk_main_t * dm = &dpdk_main;
1492 ethernet_main_t * em = ðernet_main;
1494 vlib_thread_main_t * tm = vlib_get_thread_main();
1498 error = dpdk_lib_init (dm);
1501 * Turn on the input node if we found some devices to drive
1502 * and we're not running worker threads or i/o threads
1505 if (error == 0 && vec_len(dm->devices) > 0)
1507 if (tm->n_vlib_mains == 1)
1508 vlib_node_set_state (vm, dpdk_input_node.index,
1509 VLIB_NODE_STATE_POLLING);
1511 for (i=0; i < tm->n_vlib_mains; i++)
1512 if (vec_len(dm->devices_by_cpu[i]) > 0)
1513 vlib_node_set_state (vlib_mains[i], dpdk_input_node.index,
1514 VLIB_NODE_STATE_POLLING);
1518 clib_error_report (error);
1520 dpdk_vhost_user_process_init(&vu_state);
1522 tm->worker_thread_release = 1;
1524 f64 now = vlib_time_now (vm);
1525 vec_foreach (xd, dm->devices)
1527 dpdk_update_link_state (xd, now);
1530 { // Extra set up for bond interfaces:
1531 // 1. Setup MACs for bond interfaces and their slave links which was set
1532 // in dpdk_port_setup() but needs to be done again here to take effect.
1533 // 2. Set max L3 packet size of each bond interface to the lowerst value of
1535 // 3. Set up info for bond interface related CLI support.
1536 int nports = rte_eth_dev_count();
1538 for (i = 0; i < nports; i++) {
1539 struct rte_eth_dev_info dev_info;
1540 rte_eth_dev_info_get(i, &dev_info);
1541 if (!dev_info.driver_name)
1542 dev_info.driver_name = dev_info.pci_dev->driver->name;
1543 ASSERT(dev_info.driver_name);
1544 if (strncmp(dev_info.driver_name, "rte_bond_pmd", 12) == 0) {
1547 int nlink = rte_eth_bond_slaves_get(i, slink, 16);
1549 vnet_hw_interface_t * bhi;
1550 ethernet_interface_t * bei;
1551 /* Get MAC of 1st slave link */
1552 rte_eth_macaddr_get(slink[0], (struct ether_addr *)addr);
1553 /* Set MAC of bounded interface to that of 1st slave link */
1554 rte_eth_bond_mac_address_set(i, (struct ether_addr *)addr);
1555 /* Populate MAC of bonded interface in VPP hw tables */
1556 bhi = vnet_get_hw_interface(
1557 vnm, dm->devices[i].vlib_hw_if_index);
1558 bei = pool_elt_at_index(em->interfaces, bhi->hw_instance);
1559 clib_memcpy(bhi->hw_address, addr, 6);
1560 clib_memcpy(bei->address, addr, 6);
1561 /* Init l3 packet size allowed on bonded interface */
1562 bhi->max_l3_packet_bytes[VLIB_RX] =
1563 bhi->max_l3_packet_bytes[VLIB_TX] =
1564 ETHERNET_MAX_PACKET_BYTES - sizeof(ethernet_header_t);
1565 while (nlink >= 1) { /* for all slave links */
1566 int slave = slink[--nlink];
1567 dpdk_device_t * sdev = &dm->devices[slave];
1568 vnet_hw_interface_t * shi;
1569 vnet_sw_interface_t * ssi;
1570 /* Add MAC to all slave links except the first one */
1571 if (nlink) rte_eth_dev_mac_addr_add(
1572 slave, (struct ether_addr *)addr, 0);
1573 /* Set slaves bitmap for bonded interface */
1574 bhi->bond_info = clib_bitmap_set(
1575 bhi->bond_info, sdev->vlib_hw_if_index, 1);
1576 /* Set slave link flags on slave interface */
1577 shi = vnet_get_hw_interface(vnm, sdev->vlib_hw_if_index);
1578 ssi = vnet_get_sw_interface(vnm, sdev->vlib_sw_if_index);
1579 shi->bond_info = VNET_HW_INTERFACE_BOND_INFO_SLAVE;
1580 ssi->flags |= VNET_SW_INTERFACE_FLAG_BOND_SLAVE;
1581 /* Set l3 packet size allowed as the lowest of slave */
1582 if (bhi->max_l3_packet_bytes[VLIB_RX] >
1583 shi->max_l3_packet_bytes[VLIB_RX])
1584 bhi->max_l3_packet_bytes[VLIB_RX] =
1585 bhi->max_l3_packet_bytes[VLIB_TX] =
1586 shi->max_l3_packet_bytes[VLIB_RX];
1597 * check each time through the loop in case intervals are changed
1599 f64 min_wait = dm->link_state_poll_interval < dm->stat_poll_interval ?
1600 dm->link_state_poll_interval : dm->stat_poll_interval;
1602 vlib_process_wait_for_event_or_clock (vm, min_wait);
1604 if (dpdk_get_admin_up_down_in_progress())
1605 /* skip the poll if an admin up down is in progress (on any interface) */
1608 vec_foreach (xd, dm->devices)
1610 f64 now = vlib_time_now (vm);
1611 if ((now - xd->time_last_stats_update) >= dm->stat_poll_interval)
1612 dpdk_update_counters (xd, now);
1613 if ((now - xd->time_last_link_update) >= dm->link_state_poll_interval)
1614 dpdk_update_link_state (xd, now);
1616 if (xd->dev_type == VNET_DPDK_DEV_VHOST_USER)
1617 if (dpdk_vhost_user_process_if(vm, xd, vu_state) != 0)
1622 dpdk_vhost_user_process_cleanup(vu_state);
1627 VLIB_REGISTER_NODE (dpdk_process_node,static) = {
1628 .function = dpdk_process,
1629 .type = VLIB_NODE_TYPE_PROCESS,
1630 .name = "dpdk-process",
1631 .process_log2_n_stack_bytes = 17,
1634 int dpdk_set_stat_poll_interval (f64 interval)
1636 if (interval < DPDK_MIN_STATS_POLL_INTERVAL)
1637 return (VNET_API_ERROR_INVALID_VALUE);
1639 dpdk_main.stat_poll_interval = interval;
1644 int dpdk_set_link_state_poll_interval (f64 interval)
1646 if (interval < DPDK_MIN_LINK_POLL_INTERVAL)
1647 return (VNET_API_ERROR_INVALID_VALUE);
1649 dpdk_main.link_state_poll_interval = interval;
1655 dpdk_init (vlib_main_t * vm)
1657 dpdk_main_t * dm = &dpdk_main;
1659 clib_error_t * error = 0;
1660 vlib_thread_main_t * tm = vlib_get_thread_main();
1662 /* verify that structs are cacheline aligned */
1663 ASSERT(offsetof(dpdk_device_t, cacheline0) == 0);
1664 ASSERT(offsetof(dpdk_device_t, cacheline1) == CLIB_CACHE_LINE_BYTES);
1665 ASSERT(offsetof(dpdk_worker_t, cacheline0) == 0);
1666 ASSERT(offsetof(frame_queue_trace_t, cacheline0) == 0);
1669 dm->vnet_main = vnet_get_main();
1670 dm->conf = &dpdk_config_main;
1672 ei = vlib_get_node_by_name (vm, (u8 *) "ethernet-input");
1674 return clib_error_return (0, "ethernet-input node AWOL");
1676 dm->ethernet_input_node_index = ei->index;
1678 dm->conf->nchannels = 4;
1679 dm->conf->num_mbufs = dm->conf->num_mbufs ? dm->conf->num_mbufs : NB_MBUF;
1680 vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet");
1682 dm->dpdk_device_by_kni_port_id = hash_create (0, sizeof (uword));
1683 dm->vu_sw_if_index_by_listener_fd = hash_create (0, sizeof (uword));
1684 dm->vu_sw_if_index_by_sock_fd = hash_create (0, sizeof (uword));
1686 /* $$$ use n_thread_stacks since it's known-good at this point */
1687 vec_validate (dm->recycle, tm->n_thread_stacks - 1);
1689 /* initialize EFD (early fast discard) default settings */
1690 dm->efd.enabled = DPDK_EFD_DISABLED;
1691 dm->efd.queue_hi_thresh = ((DPDK_EFD_DEFAULT_DEVICE_QUEUE_HI_THRESH_PCT *
1692 DPDK_NB_RX_DESC_10GE)/100);
1693 dm->efd.consec_full_frames_hi_thresh =
1694 DPDK_EFD_DEFAULT_CONSEC_FULL_FRAMES_HI_THRESH;
1696 /* vhost-user coalescence frames defaults */
1697 dm->conf->vhost_coalesce_frames = 32;
1698 dm->conf->vhost_coalesce_time = 1e-3;
1700 /* Default vlib_buffer_t flags, DISABLES tcp/udp checksumming... */
1701 dm->buffer_flags_template =
1702 (VLIB_BUFFER_TOTAL_LENGTH_VALID
1703 | IP_BUFFER_L4_CHECKSUM_COMPUTED
1704 | IP_BUFFER_L4_CHECKSUM_CORRECT);
1706 dm->stat_poll_interval = DPDK_STATS_POLL_INTERVAL;
1707 dm->link_state_poll_interval = DPDK_LINK_POLL_INTERVAL;
1710 if ((error = vlib_call_init_function (vm, dpdk_cli_init)))
1716 VLIB_INIT_FUNCTION (dpdk_init);