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, "io");
256 tr = p ? (vlib_thread_registration_t *) p[0] : 0;
258 if (!tr || tr->count == 0)
260 /* no io threads, workers doing input */
261 p = hash_get_mem (tm->thread_registrations_by_name, "workers");
262 tr = p ? (vlib_thread_registration_t *) p[0] : 0;
266 dm->have_io_threads = 1;
269 if (tr && tr->count > 0)
271 dm->input_cpu_first_index = tr->first_index;
272 dm->input_cpu_count = tr->count;
275 vec_validate_aligned (dm->devices_by_cpu, tm->n_vlib_mains - 1,
276 CLIB_CACHE_LINE_BYTES);
278 vec_validate_aligned (dm->workers, tm->n_vlib_mains - 1,
279 CLIB_CACHE_LINE_BYTES);
282 if(rte_netmap_probe() < 0)
283 return clib_error_return (0, "rte netmap probe failed");
286 nports = rte_eth_dev_count();
289 clib_warning ("DPDK drivers found no ports...");
293 clib_warning ("DPDK drivers found %d ports...", nports);
296 * All buffers are all allocated from the same rte_mempool.
297 * Thus they all have the same number of data bytes.
299 dm->vlib_buffer_free_list_index =
300 vlib_buffer_get_or_create_free_list (
301 vm, VLIB_BUFFER_DEFAULT_FREE_LIST_BYTES, "dpdk rx");
303 if (dm->conf->enable_tcp_udp_checksum)
304 dm->buffer_flags_template &= ~(IP_BUFFER_L4_CHECKSUM_CORRECT
305 | IP_BUFFER_L4_CHECKSUM_COMPUTED);
307 for (i = 0; i < nports; i++)
311 struct rte_eth_dev_info dev_info;
313 struct rte_eth_link l;
314 dpdk_device_config_t * devconf = 0;
315 vlib_pci_addr_t pci_addr;
318 rte_eth_dev_info_get(i, &dev_info);
319 pci_addr.domain = dev_info.pci_dev->addr.domain;
320 pci_addr.bus = dev_info.pci_dev->addr.bus;
321 pci_addr.slot = dev_info.pci_dev->addr.devid;
322 pci_addr.function = dev_info.pci_dev->addr.function;
323 p = hash_get (dm->conf->device_config_index_by_pci_addr, pci_addr.as_u32);
326 devconf = pool_elt_at_index (dm->conf->dev_confs, p[0]);
328 devconf = &dm->conf->default_devconf;
330 /* Create vnet interface */
331 vec_add2_aligned (dm->devices, xd, 1, CLIB_CACHE_LINE_BYTES);
332 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
333 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
334 xd->cpu_socket = (i8) rte_eth_dev_socket_id(i);
336 clib_memcpy(&xd->tx_conf, &dev_info.default_txconf,
337 sizeof(struct rte_eth_txconf));
338 if (dm->conf->no_multi_seg)
340 xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
341 port_conf_template.rxmode.jumbo_frame = 0;
345 xd->tx_conf.txq_flags &= ~ETH_TXQ_FLAGS_NOMULTSEGS;
346 port_conf_template.rxmode.jumbo_frame = 1;
349 clib_memcpy(&xd->port_conf, &port_conf_template, sizeof(struct rte_eth_conf));
351 xd->tx_q_used = clib_min(dev_info.max_tx_queues, tm->n_vlib_mains);
353 if (devconf->num_tx_queues > 0 && devconf->num_tx_queues < xd->tx_q_used)
354 xd->tx_q_used = clib_min(xd->tx_q_used, devconf->num_tx_queues);
356 if (devconf->num_rx_queues > 1 && dm->use_rss == 0)
358 rt->function = dpdk_input_rss_multiarch_select();
362 if (devconf->num_rx_queues > 1 && dev_info.max_rx_queues >= devconf->num_rx_queues)
364 xd->rx_q_used = devconf->num_rx_queues;
365 xd->port_conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
366 xd->port_conf.rx_adv_conf.rss_conf.rss_hf = ETH_RSS_IP | ETH_RSS_UDP | ETH_RSS_TCP;
371 xd->dev_type = VNET_DPDK_DEV_ETH;
373 /* workaround for drivers not setting driver_name */
374 if (!dev_info.driver_name)
375 dev_info.driver_name = dev_info.pci_dev->driver->name;
376 ASSERT(dev_info.driver_name);
381 #define _(s,f) else if (!strcmp(dev_info.driver_name, s)) \
382 xd->pmd = VNET_DPDK_PMD_##f;
388 xd->pmd = VNET_DPDK_PMD_UNKNOWN;
393 case VNET_DPDK_PMD_E1000EM:
394 case VNET_DPDK_PMD_IGB:
395 case VNET_DPDK_PMD_IGBVF:
396 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
400 case VNET_DPDK_PMD_IXGBE:
401 case VNET_DPDK_PMD_IXGBEVF:
402 case VNET_DPDK_PMD_THUNDERX:
403 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
404 xd->nb_rx_desc = DPDK_NB_RX_DESC_10GE;
405 xd->nb_tx_desc = DPDK_NB_TX_DESC_10GE;
409 case VNET_DPDK_PMD_VICE:
410 case VNET_DPDK_PMD_ENIC:
411 rte_eth_link_get_nowait(i, &l);
412 xd->nb_rx_desc = DPDK_NB_RX_DESC_ENIC;
413 if (l.link_speed == 40000)
415 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
416 xd->nb_tx_desc = DPDK_NB_TX_DESC_40GE;
420 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
421 xd->nb_tx_desc = DPDK_NB_TX_DESC_10GE;
425 /* Intel Fortville */
426 case VNET_DPDK_PMD_I40E:
427 case VNET_DPDK_PMD_I40EVF:
428 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
429 xd->nb_rx_desc = DPDK_NB_RX_DESC_40GE;
430 xd->nb_tx_desc = DPDK_NB_TX_DESC_40GE;
432 switch (dev_info.pci_dev->id.device_id) {
433 case I40E_DEV_ID_10G_BASE_T:
434 case I40E_DEV_ID_SFP_XL710:
435 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
437 case I40E_DEV_ID_QSFP_A:
438 case I40E_DEV_ID_QSFP_B:
439 case I40E_DEV_ID_QSFP_C:
440 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
443 rte_eth_link_get_nowait(i, &l);
444 xd->port_type = l.link_speed == 10000 ?
445 VNET_DPDK_PORT_TYPE_ETH_10G : VNET_DPDK_PORT_TYPE_ETH_40G;
448 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
452 case VNET_DPDK_PMD_CXGBE:
453 switch (dev_info.pci_dev->id.device_id) {
454 case 0x5410: /* T580-LP-cr */
455 xd->nb_rx_desc = DPDK_NB_RX_DESC_40GE;
456 xd->nb_tx_desc = DPDK_NB_TX_DESC_40GE;
457 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
460 xd->nb_rx_desc = DPDK_NB_RX_DESC_10GE;
461 xd->nb_tx_desc = DPDK_NB_TX_DESC_10GE;
462 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
466 /* Intel Red Rock Canyon */
467 case VNET_DPDK_PMD_FM10K:
468 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_SWITCH;
469 xd->nb_rx_desc = DPDK_NB_RX_DESC_40GE;
470 xd->nb_tx_desc = DPDK_NB_TX_DESC_40GE;
474 case VNET_DPDK_PMD_VIRTIO:
475 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
476 xd->nb_rx_desc = DPDK_NB_RX_DESC_VIRTIO;
477 xd->nb_tx_desc = DPDK_NB_TX_DESC_VIRTIO;
481 case VNET_DPDK_PMD_VMXNET3:
482 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
483 xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
486 case VNET_DPDK_PMD_AF_PACKET:
487 xd->port_type = VNET_DPDK_PORT_TYPE_AF_PACKET;
488 xd->af_packet_port_id = af_packet_port_id++;
491 case VNET_DPDK_PMD_BOND:
492 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_BOND;
496 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
500 if(strncmp(dev_info.driver_name, "vale", 4) == 0
501 || strncmp(dev_info.driver_name, "netmap", 6) == 0)
503 xd->pmd = VNET_DPDK_PMD_NETMAP;
504 xd->port_type = VNET_DPDK_PORT_TYPE_NETMAP;
507 if (devconf->num_rx_desc)
508 xd->nb_rx_desc = devconf->num_rx_desc;
510 if (devconf->num_tx_desc)
511 xd->nb_tx_desc = devconf->num_tx_desc;
515 * Ensure default mtu is not > the mtu read from the hardware.
516 * Otherwise rte_eth_dev_configure() will fail and the port will
519 if (ETHERNET_MAX_PACKET_BYTES > dev_info.max_rx_pktlen)
522 * This device does not support the platforms's max frame
523 * size. Use it's advertised mru instead.
525 xd->port_conf.rxmode.max_rx_pkt_len = dev_info.max_rx_pktlen;
529 xd->port_conf.rxmode.max_rx_pkt_len = ETHERNET_MAX_PACKET_BYTES;
532 * Some platforms do not account for Ethernet FCS (4 bytes) in
533 * MTU calculations. To interop with them increase mru but only
534 * if the device's settings can support it.
536 if ((dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES + 4)) &&
537 xd->port_conf.rxmode.hw_strip_crc)
540 * Allow additional 4 bytes (for Ethernet FCS). These bytes are
541 * stripped by h/w and so will not consume any buffer memory.
543 xd->port_conf.rxmode.max_rx_pkt_len += 4;
547 #if RTE_VERSION < RTE_VERSION_NUM(16, 4, 0, 0)
549 * Older VMXNET3 driver doesn't support jumbo / multi-buffer pkts
551 if (xd->pmd == VNET_DPDK_PMD_VMXNET3)
553 xd->port_conf.rxmode.max_rx_pkt_len = 1518;
554 xd->port_conf.rxmode.jumbo_frame = 0;
558 if (xd->pmd == VNET_DPDK_PMD_AF_PACKET)
560 f64 now = vlib_time_now(vm);
562 rnd = (u32) (now * 1e6);
563 rnd = random_u32 (&rnd);
564 clib_memcpy (addr+2, &rnd, sizeof(rnd));
569 rte_eth_macaddr_get(i,(struct ether_addr *)addr);
571 if (xd->tx_q_used < tm->n_vlib_mains)
572 dpdk_device_lock_init(xd);
574 xd->device_index = xd - dm->devices;
575 ASSERT(i == xd->device_index);
576 xd->per_interface_next_index = ~0;
578 /* assign interface to input thread */
579 dpdk_device_and_queue_t * dq;
582 for (q = 0; q < xd->rx_q_used; q++)
584 int cpu = dm->input_cpu_first_index + next_cpu;
585 unsigned lcore = vlib_worker_threads[cpu].dpdk_lcore_id;
588 * numa node for worker thread handling this queue
589 * needed for taking buffers from the right mempool
591 vec_validate(xd->cpu_socket_id_by_queue, q);
592 xd->cpu_socket_id_by_queue[q] = rte_lcore_to_socket_id(lcore);
595 * construct vector of (device,queue) pairs for each worker thread
597 vec_add2(dm->devices_by_cpu[cpu], dq, 1);
598 dq->device = xd->device_index;
602 if (next_cpu == dm->input_cpu_count)
606 vec_validate_aligned (xd->tx_vectors, tm->n_vlib_mains,
607 CLIB_CACHE_LINE_BYTES);
608 for (j = 0; j < tm->n_vlib_mains; j++)
610 vec_validate_ha (xd->tx_vectors[j], DPDK_TX_RING_SIZE,
611 sizeof(tx_ring_hdr_t), CLIB_CACHE_LINE_BYTES);
612 vec_reset_length (xd->tx_vectors[j]);
615 vec_validate_aligned (xd->rx_vectors, xd->rx_q_used,
616 CLIB_CACHE_LINE_BYTES);
617 for (j = 0; j< xd->rx_q_used; j++)
619 vec_validate_aligned (xd->rx_vectors[j], VLIB_FRAME_SIZE-1,
620 CLIB_CACHE_LINE_BYTES);
621 vec_reset_length (xd->rx_vectors[j]);
624 vec_validate_aligned (xd->frames, tm->n_vlib_mains,
625 CLIB_CACHE_LINE_BYTES);
627 rv = dpdk_port_setup(dm, xd);
632 /* count the number of descriptors used for this device */
633 nb_desc += xd->nb_rx_desc + xd->nb_tx_desc * xd->tx_q_used;
635 error = ethernet_register_interface
637 dpdk_device_class.index,
639 /* ethernet address */ addr,
640 &xd->vlib_hw_if_index,
645 sw = vnet_get_hw_sw_interface (dm->vnet_main, xd->vlib_hw_if_index);
646 xd->vlib_sw_if_index = sw->sw_if_index;
647 hi = vnet_get_hw_interface (dm->vnet_main, xd->vlib_hw_if_index);
650 * DAW-FIXME: The Cisco VIC firmware does not provide an api for a
651 * driver to dynamically change the mtu. If/when the
652 * VIC firmware gets fixed, then this should be removed.
654 if (xd->pmd == VNET_DPDK_PMD_VICE ||
655 xd->pmd == VNET_DPDK_PMD_ENIC)
658 * Initialize mtu to what has been set by CIMC in the firmware cfg.
660 hi->max_packet_bytes = dev_info.max_rx_pktlen;
662 * remove vlan tag from VIC port to fix VLAN0 issue.
663 * TODO Handle VLAN tagged traffic
666 vlan_off = rte_eth_dev_get_vlan_offload(xd->device_index);
667 vlan_off |= ETH_VLAN_STRIP_OFFLOAD;
668 rte_eth_dev_set_vlan_offload(xd->device_index, vlan_off);
671 #if RTE_VERSION < RTE_VERSION_NUM(16, 4, 0, 0)
673 * Older VMXNET3 driver doesn't support jumbo / multi-buffer pkts
675 else if (xd->pmd == VNET_DPDK_PMD_VMXNET3)
676 hi->max_packet_bytes = 1518;
679 hi->max_l3_packet_bytes[VLIB_RX] = hi->max_l3_packet_bytes[VLIB_TX] =
680 xd->port_conf.rxmode.max_rx_pkt_len - sizeof(ethernet_header_t);
682 rte_eth_dev_set_mtu(xd->device_index, hi->max_packet_bytes);
685 #ifdef RTE_LIBRTE_KNI
686 if (dm->conf->num_kni) {
687 clib_warning("Initializing KNI interfaces...");
688 rte_kni_init(dm->conf->num_kni);
689 for (i = 0; i < dm->conf->num_kni; i++)
694 /* Create vnet interface */
695 vec_add2_aligned (dm->devices, xd, 1, CLIB_CACHE_LINE_BYTES);
696 xd->dev_type = VNET_DPDK_DEV_KNI;
698 xd->device_index = xd - dm->devices;
699 ASSERT(nports + i == xd->device_index);
700 xd->per_interface_next_index = ~0;
703 hash_set (dm->dpdk_device_by_kni_port_id, i, xd - dm->devices);
706 /* assign interface to input thread */
707 dpdk_device_and_queue_t * dq;
708 vec_add2(dm->devices_by_cpu[dm->input_cpu_first_index], dq, 1);
709 dq->device = xd->device_index;
712 vec_validate_aligned (xd->tx_vectors, tm->n_vlib_mains,
713 CLIB_CACHE_LINE_BYTES);
714 for (j = 0; j < tm->n_vlib_mains; j++)
716 vec_validate_ha (xd->tx_vectors[j], DPDK_TX_RING_SIZE,
717 sizeof(tx_ring_hdr_t), CLIB_CACHE_LINE_BYTES);
718 vec_reset_length (xd->tx_vectors[j]);
721 vec_validate_aligned (xd->rx_vectors, xd->rx_q_used,
722 CLIB_CACHE_LINE_BYTES);
723 for (j = 0; j< xd->rx_q_used; j++)
725 vec_validate_aligned (xd->rx_vectors[j], VLIB_FRAME_SIZE-1,
726 CLIB_CACHE_LINE_BYTES);
727 vec_reset_length (xd->rx_vectors[j]);
730 vec_validate_aligned (xd->frames, tm->n_vlib_mains,
731 CLIB_CACHE_LINE_BYTES);
733 /* FIXME Set up one TX-queue per worker thread */
736 f64 now = vlib_time_now(vm);
738 rnd = (u32) (now * 1e6);
739 rnd = random_u32 (&rnd);
741 clib_memcpy (addr+2, &rnd, sizeof(rnd));
746 error = ethernet_register_interface
748 dpdk_device_class.index,
750 /* ethernet address */ addr,
751 &xd->vlib_hw_if_index,
757 sw = vnet_get_hw_sw_interface (dm->vnet_main, xd->vlib_hw_if_index);
758 xd->vlib_sw_if_index = sw->sw_if_index;
759 hi = vnet_get_hw_interface (dm->vnet_main, xd->vlib_hw_if_index);
764 if (nb_desc > dm->conf->num_mbufs)
765 clib_warning ("%d mbufs allocated but total rx/tx ring size is %d\n",
766 dm->conf->num_mbufs, nb_desc);
768 /* init next vhost-user if index */
769 dm->next_vu_if_id = 0;
775 dpdk_bind_devices_to_uio (dpdk_config_main_t * conf)
777 vlib_pci_main_t * pm = &pci_main;
778 clib_error_t * error;
779 vlib_pci_device_t * d;
780 pci_config_header_t * c;
782 int num_whitelisted = vec_len (conf->dev_confs);
784 pool_foreach (d, pm->pci_devs, ({
785 dpdk_device_config_t * devconf = 0;
786 c = &d->config0.header;
787 vec_reset_length (pci_addr);
788 pci_addr = format (pci_addr, "%U%c", format_vlib_pci_addr, &d->bus_address, 0);
790 if (c->device_class != PCI_CLASS_NETWORK_ETHERNET)
795 uword * p = hash_get (conf->device_config_index_by_pci_addr, d->bus_address.as_u32);
800 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
804 if (c->vendor_id == 0x1af4 && c->device_id == 0x1000)
807 else if (c->vendor_id == 0x15ad && c->device_id == 0x07b0)
809 /* all Intel devices */
810 else if (c->vendor_id == 0x8086)
813 else if (c->vendor_id == 0x1137 && c->device_id == 0x0043)
816 else if (c->vendor_id == 0x1425 && (c->device_id & 0xe000) == 0x4000)
820 clib_warning ("Unsupported Ethernet PCI device 0x%04x:0x%04x found "
821 "at PCI address %s\n", (u16) c->vendor_id, (u16) c->device_id,
826 error = vlib_pci_bind_to_uio (d, (char *) conf->uio_driver_name);
832 pool_get (conf->dev_confs, devconf);
833 hash_set (conf->device_config_index_by_pci_addr, d->bus_address.as_u32,
834 devconf - conf->dev_confs);
835 devconf->pci_addr.as_u32 = d->bus_address.as_u32;
837 devconf->is_blacklisted = 1;
838 clib_error_report (error);
844 static clib_error_t *
845 dpdk_device_config (dpdk_config_main_t * conf, vlib_pci_addr_t pci_addr, unformat_input_t * input, u8 is_default)
847 clib_error_t * error = 0;
849 dpdk_device_config_t * devconf;
853 devconf = &conf->default_devconf;
857 p = hash_get (conf->device_config_index_by_pci_addr, pci_addr.as_u32);
861 pool_get (conf->dev_confs, devconf);
862 hash_set (conf->device_config_index_by_pci_addr, pci_addr.as_u32, devconf - conf->dev_confs);
865 return clib_error_return(0, "duplicate configuration for PCI address %U",
866 format_vlib_pci_addr, &pci_addr);
869 devconf->pci_addr.as_u32 = pci_addr.as_u32;
874 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
876 if (unformat (input, "num-rx-queues %u", &devconf->num_rx_queues))
878 else if (unformat (input, "num-tx-queues %u", &devconf->num_tx_queues))
880 else if (unformat (input, "num-rx-desc %u", &devconf->num_rx_desc))
882 else if (unformat (input, "num-tx-desc %u", &devconf->num_tx_desc))
886 error = clib_error_return (0, "unknown input `%U'",
887 format_unformat_error, input);
894 static clib_error_t *
895 dpdk_config (vlib_main_t * vm, unformat_input_t * input)
897 clib_error_t * error = 0;
898 dpdk_main_t * dm = &dpdk_main;
899 dpdk_config_main_t * conf = &dpdk_config_main;
900 vlib_thread_main_t * tm = vlib_get_thread_main();
901 dpdk_device_config_t * devconf;
902 vlib_pci_addr_t pci_addr;
903 unformat_input_t sub_input;
905 u8 * rte_cmd = 0, * ethname = 0;
908 int num_whitelisted = 0;
910 int rxrings, txrings, rxslots, txslots, txburst;
919 conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
921 // MATT-FIXME: inverted virtio-vhost logic to use virtio by default
922 conf->use_virtio_vhost = 1;
924 while (unformat_check_input(input) != UNFORMAT_END_OF_INPUT)
927 if (unformat (input, "no-hugetlb"))
929 vec_add1 (conf->eal_init_args, (u8 *) "no-huge");
933 else if (unformat (input, "enable-tcp-udp-checksum"))
934 conf->enable_tcp_udp_checksum = 1;
936 else if (unformat (input, "decimal-interface-names"))
937 conf->interface_name_format_decimal = 1;
939 else if (unformat (input, "no-multi-seg"))
940 conf->no_multi_seg = 1;
942 else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input,
945 error = dpdk_device_config (conf, (vlib_pci_addr_t) (u32) ~1, &sub_input, 1);
950 else if (unformat (input, "dev %U %U", unformat_vlib_pci_addr, &pci_addr,
951 unformat_vlib_cli_sub_input, &sub_input))
953 error = dpdk_device_config (conf, pci_addr, &sub_input, 0);
960 else if (unformat (input, "dev %U", unformat_vlib_pci_addr, &pci_addr))
962 error = dpdk_device_config (conf, pci_addr, 0, 0);
971 else if (unformat(input, "netmap %s/%d:%d/%d:%d/%d",
972 &nmname, &rxrings, &rxslots, &txrings, &txslots, &txburst)) {
975 eth_nm_args(nmname, rxrings, rxslots, txrings, txslots, txburst);
977 error = clib_error_return (0, "%s", rv);
980 }else if (unformat(input, "netmap %s", &nmname)) {
983 eth_nm_args(nmname, 0, 0, 0, 0, 0);
985 error = clib_error_return (0, "%s", rv);
991 else if (unformat (input, "num-mbufs %d", &conf->num_mbufs))
993 else if (unformat (input, "kni %d", &conf->num_kni))
995 else if (unformat (input, "uio-driver %s", &conf->uio_driver_name))
997 else if (unformat (input, "socket-mem %s", &socket_mem))
999 else if (unformat (input, "vhost-user-coalesce-frames %d", &conf->vhost_coalesce_frames))
1001 else if (unformat (input, "vhost-user-coalesce-time %f", &conf->vhost_coalesce_time))
1003 else if (unformat (input, "enable-vhost-user"))
1004 conf->use_virtio_vhost = 0;
1005 else if (unformat (input, "poll-sleep %d", &dm->poll_sleep))
1009 else if (unformat(input, #a)) \
1011 if (!strncmp(#a, "no-pci", 6)) \
1013 tmp = format (0, "--%s%c", #a, 0); \
1014 vec_add1 (conf->eal_init_args, tmp); \
1016 foreach_eal_double_hyphen_predicate_arg
1020 else if (unformat(input, #a " %s", &s)) \
1022 if (!strncmp(#a, "huge-dir", 8)) \
1024 else if (!strncmp(#a, "file-prefix", 11)) \
1026 tmp = format (0, "--%s%c", #a, 0); \
1027 vec_add1 (conf->eal_init_args, tmp); \
1029 vec_add1 (conf->eal_init_args, s); \
1031 foreach_eal_double_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); \
1042 foreach_eal_single_hyphen_arg
1046 else if (unformat(input, #a " %s", &s)) \
1048 tmp = format (0, "-%s%c", #b, 0); \
1049 vec_add1 (conf->eal_init_args, tmp); \
1051 vec_add1 (conf->eal_init_args, s); \
1052 conf->a##_set_manually = 1; \
1054 foreach_eal_single_hyphen_mandatory_arg
1057 else if (unformat(input, "default"))
1062 error = clib_error_return (0, "unknown input `%U'",
1063 format_unformat_error, input);
1068 if (!conf->uio_driver_name)
1069 conf->uio_driver_name = format (0, "igb_uio%c", 0);
1072 * Use 1G huge pages if available.
1074 if (!no_huge && !huge_dir)
1076 u32 x, * mem_by_socket = 0;
1080 u8 less_than_1g = 1;
1083 umount(DEFAULT_HUGE_DIR);
1085 /* Process "socket-mem" parameter value */
1086 if (vec_len (socket_mem))
1088 unformat_input_t in;
1089 unformat_init_vector(&in, socket_mem);
1090 while (unformat_check_input (&in) != UNFORMAT_END_OF_INPUT)
1092 if (unformat (&in, "%u,", &x))
1094 else if (unformat (&in, "%u", &x))
1096 else if (unformat (&in, ","))
1101 vec_add1(mem_by_socket, x);
1106 /* Note: unformat_free vec_frees(in.buffer), aka socket_mem... */
1112 clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
1114 vec_validate(mem_by_socket, c);
1115 mem_by_socket[c] = 512; /* default per-socket mem */
1120 /* check if available enough 1GB pages for each socket */
1121 clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
1123 u32 pages_avail, page_size, mem;
1126 char * numa_path = "/sys/devices/system/node/node%u/";
1127 char * nonnuma_path = "/sys/kernel/mm/";
1128 char * suffix = "hugepages/hugepages-%ukB/free_hugepages%c";
1130 struct stat sb_numa, sb_nonnuma;
1132 p = format(p, numa_path, c);
1133 stat(numa_path, &sb_numa);
1134 stat(nonnuma_path, &sb_nonnuma);
1136 if (S_ISDIR(sb_numa.st_mode)) {
1137 path = (char*)format((u8*)path, "%s%s", p, suffix);
1138 } else if (S_ISDIR(sb_nonnuma.st_mode)) {
1139 path = (char*)format((u8*)path, "%s%s", nonnuma_path, suffix);
1147 vec_validate(mem_by_socket, c);
1148 mem = mem_by_socket[c];
1152 s = format (s, path, page_size * 1024, 0);
1153 vlib_sysfs_read ((char *) s, "%u", &pages_avail);
1154 vec_reset_length (s);
1156 if (page_size * pages_avail < mem)
1161 s = format (s, path, page_size * 1024, 0);
1162 vlib_sysfs_read ((char *) s, "%u", &pages_avail);
1163 vec_reset_length (s);
1165 if (page_size * pages_avail < mem)
1172 _vec_len (mem_by_socket) = c + 1;
1174 /* regenerate socket_mem string */
1175 vec_foreach_index (x, mem_by_socket)
1176 socket_mem = format (socket_mem, "%s%u",
1177 socket_mem ? "," : "",
1179 socket_mem = format (socket_mem, "%c", 0);
1181 vec_free (mem_by_socket);
1183 rv = mkdir(VPP_RUN_DIR, 0755);
1184 if (rv && errno != EEXIST)
1186 error = clib_error_return (0, "mkdir '%s' failed errno %d",
1187 VPP_RUN_DIR, errno);
1191 rv = mkdir(DEFAULT_HUGE_DIR, 0755);
1192 if (rv && errno != EEXIST)
1194 error = clib_error_return (0, "mkdir '%s' failed errno %d",
1195 DEFAULT_HUGE_DIR, errno);
1199 if (use_1g && !(less_than_1g && use_2m))
1201 rv = mount("none", DEFAULT_HUGE_DIR, "hugetlbfs", 0, "pagesize=1G");
1205 rv = mount("none", DEFAULT_HUGE_DIR, "hugetlbfs", 0, NULL);
1209 return clib_error_return (0, "not enough free huge pages");
1214 error = clib_error_return (0, "mount failed %d", errno);
1218 tmp = format (0, "--huge-dir%c", 0);
1219 vec_add1 (conf->eal_init_args, tmp);
1220 tmp = format (0, "%s%c", DEFAULT_HUGE_DIR, 0);
1221 vec_add1 (conf->eal_init_args, tmp);
1224 tmp = format (0, "--file-prefix%c", 0);
1225 vec_add1 (conf->eal_init_args, tmp);
1226 tmp = format (0, "vpp%c", 0);
1227 vec_add1 (conf->eal_init_args, tmp);
1237 /* I'll bet that -c and -n must be the first and second args... */
1238 if (!conf->coremask_set_manually)
1240 vlib_thread_registration_t * tr;
1241 uword * coremask = 0;
1244 /* main thread core */
1245 coremask = clib_bitmap_set(coremask, tm->main_lcore, 1);
1247 for (i = 0; i < vec_len (tm->registrations); i++)
1249 tr = tm->registrations[i];
1250 coremask = clib_bitmap_or(coremask, tr->coremask);
1253 vec_insert (conf->eal_init_args, 2, 1);
1254 conf->eal_init_args[1] = (u8 *) "-c";
1255 tmp = format (0, "%U%c", format_bitmap_hex, coremask, 0);
1256 conf->eal_init_args[2] = tmp;
1257 clib_bitmap_free(coremask);
1260 if (!conf->nchannels_set_manually)
1262 vec_insert (conf->eal_init_args, 2, 3);
1263 conf->eal_init_args[3] = (u8 *) "-n";
1264 tmp = format (0, "%d", conf->nchannels);
1265 conf->eal_init_args[4] = tmp;
1268 if (no_pci == 0 && geteuid() == 0)
1269 dpdk_bind_devices_to_uio(conf);
1272 if (devconf->x == 0 && conf->default_devconf.x > 0) \
1273 devconf->x = conf->default_devconf.x ;
1275 pool_foreach (devconf, conf->dev_confs, ({
1277 /* default per-device config items */
1278 foreach_dpdk_device_config_item
1280 /* add DPDK EAL whitelist/blacklist entry */
1281 if (num_whitelisted > 0 && devconf->is_blacklisted == 0)
1283 tmp = format (0, "-w%c", 0);
1284 vec_add1 (conf->eal_init_args, tmp);
1285 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr);
1286 vec_add1 (conf->eal_init_args, tmp);
1288 else if (num_whitelisted == 0 && devconf->is_blacklisted != 0)
1290 tmp = format (0, "-b%c", 0);
1291 vec_add1 (conf->eal_init_args, tmp);
1292 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr);
1293 vec_add1 (conf->eal_init_args, tmp);
1299 /* set master-lcore */
1300 tmp = format (0, "--master-lcore%c", 0);
1301 vec_add1 (conf->eal_init_args, tmp);
1302 tmp = format (0, "%u%c", tm->main_lcore, 0);
1303 vec_add1 (conf->eal_init_args, tmp);
1305 /* set socket-mem */
1306 tmp = format (0, "--socket-mem%c", 0);
1307 vec_add1 (conf->eal_init_args, tmp);
1308 tmp = format (0, "%s%c", socket_mem, 0);
1309 vec_add1 (conf->eal_init_args, tmp);
1311 /* NULL terminate the "argv" vector, in case of stupidity */
1312 vec_add1 (conf->eal_init_args, 0);
1313 _vec_len(conf->eal_init_args) -= 1;
1315 /* Set up DPDK eal and packet mbuf pool early. */
1317 log_level = (CLIB_DEBUG > 0) ? RTE_LOG_DEBUG : RTE_LOG_NOTICE;
1319 rte_set_log_level (log_level);
1321 vm = vlib_get_main ();
1323 /* make copy of args as rte_eal_init tends to mess up with arg array */
1324 for (i = 1; i < vec_len(conf->eal_init_args); i++)
1325 conf->eal_init_args_str = format(conf->eal_init_args_str, "%s ",
1326 conf->eal_init_args[i]);
1328 ret = rte_eal_init(vec_len(conf->eal_init_args), (char **) conf->eal_init_args);
1330 /* lazy umount hugepages */
1331 umount2(DEFAULT_HUGE_DIR, MNT_DETACH);
1334 return clib_error_return (0, "rte_eal_init returned %d", ret);
1336 /* Dump the physical memory layout prior to creating the mbuf_pool */
1337 fprintf(stdout, "DPDK physical memory layout:\n");
1338 rte_dump_physmem_layout(stdout);
1340 /* main thread 1st */
1341 error = vlib_buffer_pool_create(vm, conf->num_mbufs, rte_socket_id());
1345 for (i = 0; i < RTE_MAX_LCORE; i++)
1347 error = vlib_buffer_pool_create(vm, conf->num_mbufs,
1348 rte_lcore_to_socket_id(i));
1357 VLIB_CONFIG_FUNCTION (dpdk_config, "dpdk");
1359 void dpdk_update_link_state (dpdk_device_t * xd, f64 now)
1361 vnet_main_t * vnm = vnet_get_main();
1362 struct rte_eth_link prev_link = xd->link;
1364 u8 hw_flags_chg = 0;
1366 /* only update link state for PMD interfaces */
1367 if (xd->dev_type != VNET_DPDK_DEV_ETH)
1370 xd->time_last_link_update = now ? now : xd->time_last_link_update;
1371 memset(&xd->link, 0, sizeof(xd->link));
1372 rte_eth_link_get_nowait (xd->device_index, &xd->link);
1374 if (LINK_STATE_ELOGS)
1376 vlib_main_t * vm = vlib_get_main();
1377 ELOG_TYPE_DECLARE(e) = {
1379 "update-link-state: sw_if_index %d, admin_up %d,"
1380 "old link_state %d new link_state %d",
1381 .format_args = "i4i1i1i1",
1384 struct { u32 sw_if_index; u8 admin_up;
1385 u8 old_link_state; u8 new_link_state;} *ed;
1386 ed = ELOG_DATA (&vm->elog_main, e);
1387 ed->sw_if_index = xd->vlib_sw_if_index;
1388 ed->admin_up = xd->admin_up;
1389 ed->old_link_state = (u8)
1390 vnet_hw_interface_is_link_up (vnm, xd->vlib_hw_if_index);
1391 ed->new_link_state = (u8) xd->link.link_status;
1394 if ((xd->admin_up == 1) &&
1395 ((xd->link.link_status != 0) ^
1396 vnet_hw_interface_is_link_up (vnm, xd->vlib_hw_if_index)))
1399 hw_flags |= (xd->link.link_status ?
1400 VNET_HW_INTERFACE_FLAG_LINK_UP: 0);
1403 if (hw_flags_chg || (xd->link.link_duplex != prev_link.link_duplex))
1406 switch (xd->link.link_duplex)
1408 case ETH_LINK_HALF_DUPLEX:
1409 hw_flags |= VNET_HW_INTERFACE_FLAG_HALF_DUPLEX;
1411 case ETH_LINK_FULL_DUPLEX:
1412 hw_flags |= VNET_HW_INTERFACE_FLAG_FULL_DUPLEX;
1418 #if RTE_VERSION >= RTE_VERSION_NUM(16, 4, 0, 0)
1419 if (hw_flags_chg || (xd->link.link_speed != prev_link.link_speed))
1422 switch (xd->link.link_speed)
1424 case ETH_SPEED_NUM_10M:
1425 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10M;
1427 case ETH_SPEED_NUM_100M:
1428 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_100M;
1430 case ETH_SPEED_NUM_1G:
1431 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_1G;
1433 case ETH_SPEED_NUM_10G:
1434 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10G;
1436 case ETH_SPEED_NUM_40G:
1437 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_40G;
1442 clib_warning("unknown link speed %d", xd->link.link_speed);
1447 if (hw_flags_chg || (xd->link.link_speed != prev_link.link_speed))
1450 switch (xd->link.link_speed)
1452 case ETH_LINK_SPEED_10:
1453 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10M;
1455 case ETH_LINK_SPEED_100:
1456 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_100M;
1458 case ETH_LINK_SPEED_1000:
1459 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_1G;
1461 case ETH_LINK_SPEED_10000:
1462 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10G;
1464 case ETH_LINK_SPEED_40G:
1465 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_40G;
1470 clib_warning("unknown link speed %d", xd->link.link_speed);
1477 if (LINK_STATE_ELOGS)
1479 vlib_main_t * vm = vlib_get_main();
1481 ELOG_TYPE_DECLARE(e) = {
1482 .format = "update-link-state: sw_if_index %d, new flags %d",
1483 .format_args = "i4i4",
1486 struct { u32 sw_if_index; u32 flags; } *ed;
1487 ed = ELOG_DATA (&vm->elog_main, e);
1488 ed->sw_if_index = xd->vlib_sw_if_index;
1489 ed->flags = hw_flags;
1491 vnet_hw_interface_set_flags (vnm, xd->vlib_hw_if_index, hw_flags);
1496 dpdk_process (vlib_main_t * vm,
1497 vlib_node_runtime_t * rt,
1500 clib_error_t * error;
1501 vnet_main_t * vnm = vnet_get_main();
1502 dpdk_main_t * dm = &dpdk_main;
1503 ethernet_main_t * em = ðernet_main;
1505 vlib_thread_main_t * tm = vlib_get_thread_main();
1509 error = dpdk_lib_init (dm);
1512 * Turn on the input node if we found some devices to drive
1513 * and we're not running worker threads or i/o threads
1516 if (error == 0 && vec_len(dm->devices) > 0)
1518 if (tm->n_vlib_mains == 1)
1519 vlib_node_set_state (vm, dpdk_input_node.index,
1520 VLIB_NODE_STATE_POLLING);
1521 else if (tm->main_thread_is_io_node)
1522 vlib_node_set_state (vm, dpdk_io_input_node.index,
1523 VLIB_NODE_STATE_POLLING);
1524 else if (!dm->have_io_threads)
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 dm->io_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);