2 * Copyright (c) 2015 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
15 #include <vnet/vnet.h>
16 #include <vppinfra/vec.h>
17 #include <vppinfra/error.h>
18 #include <vppinfra/format.h>
19 #include <vppinfra/bitmap.h>
21 #include <vnet/ethernet/ethernet.h>
22 #include <vnet/devices/dpdk/dpdk.h>
23 #include <vlib/unix/physmem.h>
24 #include <vlib/pci/pci.h>
30 #include <sys/mount.h>
34 #include "dpdk_priv.h"
36 dpdk_main_t dpdk_main;
38 /* force linker to link functions used by vlib and declared weak */
39 void *vlib_weakly_linked_functions[] = {
41 &rte_pktmbuf_pool_init,
44 #define LINK_STATE_ELOGS 0
46 #define DEFAULT_HUGE_DIR "/run/vpp/hugepages"
47 #define VPP_RUN_DIR "/run/vpp"
49 /* Port configuration, mildly modified Intel app values */
51 static struct rte_eth_conf port_conf_template = {
54 .header_split = 0, /**< Header Split disabled */
55 .hw_ip_checksum = 0, /**< IP checksum offload disabled */
56 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
57 .hw_strip_crc = 0, /**< CRC stripped by hardware */
60 .mq_mode = ETH_MQ_TX_NONE,
65 dpdk_port_setup (dpdk_main_t * dm, dpdk_device_t * xd)
70 ASSERT (os_get_cpu_number () == 0);
72 if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
74 vnet_hw_interface_set_flags (dm->vnet_main, xd->vlib_hw_if_index, 0);
75 rte_eth_dev_stop (xd->device_index);
78 rv = rte_eth_dev_configure (xd->device_index, xd->rx_q_used,
79 xd->tx_q_used, &xd->port_conf);
82 return clib_error_return (0, "rte_eth_dev_configure[%d]: err %d",
83 xd->device_index, rv);
85 /* Set up one TX-queue per worker thread */
86 for (j = 0; j < xd->tx_q_used; j++)
88 rv = rte_eth_tx_queue_setup (xd->device_index, j, xd->nb_tx_desc,
89 xd->cpu_socket, &xd->tx_conf);
91 /* retry with any other CPU socket */
93 rv = rte_eth_tx_queue_setup (xd->device_index, j, xd->nb_tx_desc,
94 SOCKET_ID_ANY, &xd->tx_conf);
100 return clib_error_return (0, "rte_eth_tx_queue_setup[%d]: err %d",
101 xd->device_index, rv);
103 for (j = 0; j < xd->rx_q_used; j++)
106 rv = rte_eth_rx_queue_setup (xd->device_index, j, xd->nb_rx_desc,
109 pktmbuf_pools[xd->cpu_socket_id_by_queue
112 /* retry with any other CPU socket */
114 rv = rte_eth_rx_queue_setup (xd->device_index, j, xd->nb_rx_desc,
117 pktmbuf_pools[xd->cpu_socket_id_by_queue
120 return clib_error_return (0, "rte_eth_rx_queue_setup[%d]: err %d",
121 xd->device_index, rv);
124 if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
127 rv = rte_eth_dev_start (xd->device_index);
128 if (!rv && xd->default_mac_address)
129 rv = rte_eth_dev_default_mac_addr_set (xd->device_index,
130 (struct ether_addr *)
131 xd->default_mac_address);
133 clib_warning ("rte_eth_dev_start %d returned %d",
134 xd->device_index, rv);
140 dpdk_flag_change (vnet_main_t * vnm, vnet_hw_interface_t * hi, u32 flags)
142 dpdk_main_t *dm = &dpdk_main;
143 dpdk_device_t *xd = vec_elt_at_index (dm->devices, hi->dev_instance);
146 if (ETHERNET_INTERFACE_FLAG_CONFIG_PROMISC (flags))
148 old = (xd->flags & DPDK_DEVICE_FLAG_PROMISC) != 0;
150 if (flags & ETHERNET_INTERFACE_FLAG_ACCEPT_ALL)
151 xd->flags |= DPDK_DEVICE_FLAG_PROMISC;
153 xd->flags &= ~DPDK_DEVICE_FLAG_PROMISC;
155 if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
157 if (xd->flags & DPDK_DEVICE_FLAG_PROMISC)
158 rte_eth_promiscuous_enable (xd->device_index);
160 rte_eth_promiscuous_disable (xd->device_index);
163 else if (ETHERNET_INTERFACE_FLAG_CONFIG_MTU (flags))
166 * DAW-FIXME: The Cisco VIC firmware does not provide an api for a
167 * driver to dynamically change the mtu. If/when the
168 * VIC firmware gets fixed, then this should be removed.
170 if (xd->pmd == VNET_DPDK_PMD_ENIC)
172 struct rte_eth_dev_info dev_info;
175 * Restore mtu to what has been set by CIMC in the firmware cfg.
177 rte_eth_dev_info_get (xd->device_index, &dev_info);
178 hi->max_packet_bytes = dev_info.max_rx_pktlen;
180 vlib_cli_output (vlib_get_main (),
181 "Cisco VIC mtu can only be changed "
182 "using CIMC then rebooting the server!");
188 xd->port_conf.rxmode.max_rx_pkt_len = hi->max_packet_bytes;
190 if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
191 rte_eth_dev_stop (xd->device_index);
193 rv = rte_eth_dev_configure
194 (xd->device_index, xd->rx_q_used, xd->tx_q_used, &xd->port_conf);
197 vlib_cli_output (vlib_get_main (),
198 "rte_eth_dev_configure[%d]: err %d",
199 xd->device_index, rv);
201 rte_eth_dev_set_mtu (xd->device_index, hi->max_packet_bytes);
203 if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
205 int rv = rte_eth_dev_start (xd->device_index);
206 if (!rv && xd->default_mac_address)
207 rv = rte_eth_dev_default_mac_addr_set (xd->device_index,
208 (struct ether_addr *)
209 xd->default_mac_address);
211 clib_warning ("rte_eth_dev_start %d returned %d",
212 xd->device_index, rv);
220 dpdk_device_lock_init (dpdk_device_t * xd)
223 vec_validate (xd->lockp, xd->tx_q_used - 1);
224 for (q = 0; q < xd->tx_q_used; q++)
226 xd->lockp[q] = clib_mem_alloc_aligned (CLIB_CACHE_LINE_BYTES,
227 CLIB_CACHE_LINE_BYTES);
228 memset ((void *) xd->lockp[q], 0, CLIB_CACHE_LINE_BYTES);
233 dpdk_device_lock_free (dpdk_device_t * xd)
237 for (q = 0; q < vec_len (xd->lockp); q++)
238 clib_mem_free ((void *) xd->lockp[q]);
239 vec_free (xd->lockp);
243 static clib_error_t *
244 dpdk_lib_init (dpdk_main_t * dm)
250 vlib_main_t *vm = vlib_get_main ();
251 vlib_thread_main_t *tm = vlib_get_thread_main ();
252 vnet_sw_interface_t *sw;
253 vnet_hw_interface_t *hi;
255 vlib_pci_addr_t last_pci_addr;
256 u32 last_pci_addr_port = 0;
257 vlib_thread_registration_t *tr, *tr_hqos;
260 u32 next_cpu = 0, next_hqos_cpu = 0;
261 u8 af_packet_port_id = 0;
262 last_pci_addr.as_u32 = ~0;
264 dm->input_cpu_first_index = 0;
265 dm->input_cpu_count = 1;
267 /* find out which cpus will be used for input */
268 p = hash_get_mem (tm->thread_registrations_by_name, "workers");
269 tr = p ? (vlib_thread_registration_t *) p[0] : 0;
271 if (tr && tr->count > 0)
273 dm->input_cpu_first_index = tr->first_index;
274 dm->input_cpu_count = tr->count;
277 vec_validate_aligned (dm->devices_by_cpu, tm->n_vlib_mains - 1,
278 CLIB_CACHE_LINE_BYTES);
280 vec_validate_aligned (dm->workers, tm->n_vlib_mains - 1,
281 CLIB_CACHE_LINE_BYTES);
283 dm->hqos_cpu_first_index = 0;
284 dm->hqos_cpu_count = 0;
286 /* find out which cpus will be used for I/O TX */
287 p_hqos = hash_get_mem (tm->thread_registrations_by_name, "hqos-threads");
288 tr_hqos = p_hqos ? (vlib_thread_registration_t *) p_hqos[0] : 0;
290 if (tr_hqos && tr_hqos->count > 0)
292 dm->hqos_cpu_first_index = tr_hqos->first_index;
293 dm->hqos_cpu_count = tr_hqos->count;
296 vec_validate_aligned (dm->devices_by_hqos_cpu, tm->n_vlib_mains - 1,
297 CLIB_CACHE_LINE_BYTES);
299 vec_validate_aligned (dm->hqos_threads, tm->n_vlib_mains - 1,
300 CLIB_CACHE_LINE_BYTES);
302 nports = rte_eth_dev_count ();
305 clib_warning ("DPDK drivers found no ports...");
309 clib_warning ("DPDK drivers found %d ports...", nports);
312 * All buffers are all allocated from the same rte_mempool.
313 * Thus they all have the same number of data bytes.
315 dm->vlib_buffer_free_list_index =
316 vlib_buffer_get_or_create_free_list (vm,
317 VLIB_BUFFER_DEFAULT_FREE_LIST_BYTES,
320 if (dm->conf->enable_tcp_udp_checksum)
321 dm->buffer_flags_template &= ~(IP_BUFFER_L4_CHECKSUM_CORRECT
322 | IP_BUFFER_L4_CHECKSUM_COMPUTED);
324 for (i = 0; i < nports; i++)
329 struct rte_eth_dev_info dev_info;
331 struct rte_eth_link l;
332 dpdk_device_config_t *devconf = 0;
333 vlib_pci_addr_t pci_addr;
336 rte_eth_dev_info_get (i, &dev_info);
337 if (dev_info.pci_dev) /* bonded interface has no pci info */
339 pci_addr.domain = dev_info.pci_dev->addr.domain;
340 pci_addr.bus = dev_info.pci_dev->addr.bus;
341 pci_addr.slot = dev_info.pci_dev->addr.devid;
342 pci_addr.function = dev_info.pci_dev->addr.function;
344 hash_get (dm->conf->device_config_index_by_pci_addr,
349 devconf = pool_elt_at_index (dm->conf->dev_confs, p[0]);
351 devconf = &dm->conf->default_devconf;
353 /* Create vnet interface */
354 vec_add2_aligned (dm->devices, xd, 1, CLIB_CACHE_LINE_BYTES);
355 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
356 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
357 xd->cpu_socket = (i8) rte_eth_dev_socket_id (i);
359 /* Handle interface naming for devices with multiple ports sharing same PCI ID */
360 if (dev_info.pci_dev)
362 struct rte_eth_dev_info di = { 0 };
363 rte_eth_dev_info_get (i + 1, &di);
364 if (di.pci_dev && pci_addr.as_u32 != last_pci_addr.as_u32 &&
365 memcmp (&dev_info.pci_dev->addr, &di.pci_dev->addr,
366 sizeof (struct rte_pci_addr)) == 0)
368 xd->interface_name_suffix = format (0, "0");
369 last_pci_addr.as_u32 = pci_addr.as_u32;
370 last_pci_addr_port = i;
372 else if (pci_addr.as_u32 == last_pci_addr.as_u32)
374 xd->interface_name_suffix =
375 format (0, "%u", i - last_pci_addr_port);
379 last_pci_addr.as_u32 = ~0;
383 last_pci_addr.as_u32 = ~0;
385 clib_memcpy (&xd->tx_conf, &dev_info.default_txconf,
386 sizeof (struct rte_eth_txconf));
387 if (dm->conf->no_multi_seg)
389 xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
390 port_conf_template.rxmode.jumbo_frame = 0;
394 xd->tx_conf.txq_flags &= ~ETH_TXQ_FLAGS_NOMULTSEGS;
395 port_conf_template.rxmode.jumbo_frame = 1;
396 xd->flags |= DPDK_DEVICE_FLAG_MAYBE_MULTISEG;
399 clib_memcpy (&xd->port_conf, &port_conf_template,
400 sizeof (struct rte_eth_conf));
402 xd->tx_q_used = clib_min (dev_info.max_tx_queues, tm->n_vlib_mains);
404 if (devconf->num_tx_queues > 0
405 && devconf->num_tx_queues < xd->tx_q_used)
406 xd->tx_q_used = clib_min (xd->tx_q_used, devconf->num_tx_queues);
408 if (devconf->num_rx_queues > 1 && dm->use_rss == 0)
413 if (devconf->num_rx_queues > 1
414 && dev_info.max_rx_queues >= devconf->num_rx_queues)
416 xd->rx_q_used = devconf->num_rx_queues;
417 xd->port_conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
418 if (devconf->rss_fn == 0)
419 xd->port_conf.rx_adv_conf.rss_conf.rss_hf =
420 ETH_RSS_IP | ETH_RSS_UDP | ETH_RSS_TCP;
422 xd->port_conf.rx_adv_conf.rss_conf.rss_hf = devconf->rss_fn;
427 xd->flags |= DPDK_DEVICE_FLAG_PMD;
429 /* workaround for drivers not setting driver_name */
430 if ((!dev_info.driver_name) && (dev_info.pci_dev))
431 #if RTE_VERSION < RTE_VERSION_NUM(16, 11, 0, 0)
432 dev_info.driver_name = dev_info.pci_dev->driver->name;
434 dev_info.driver_name = dev_info.pci_dev->driver->driver.name;
436 ASSERT (dev_info.driver_name);
442 #define _(s,f) else if (dev_info.driver_name && \
443 !strcmp(dev_info.driver_name, s)) \
444 xd->pmd = VNET_DPDK_PMD_##f;
450 xd->pmd = VNET_DPDK_PMD_UNKNOWN;
452 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
453 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
454 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
459 case VNET_DPDK_PMD_E1000EM:
460 case VNET_DPDK_PMD_IGB:
461 case VNET_DPDK_PMD_IGBVF:
462 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
466 case VNET_DPDK_PMD_IXGBE:
467 case VNET_DPDK_PMD_IXGBEVF:
468 case VNET_DPDK_PMD_THUNDERX:
469 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
471 case VNET_DPDK_PMD_DPAA2:
472 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
476 case VNET_DPDK_PMD_ENIC:
477 rte_eth_link_get_nowait (i, &l);
478 xd->flags |= DPDK_DEVICE_FLAG_PMD_SUPPORTS_PTYPE;
479 if (l.link_speed == 40000)
480 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
482 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
485 /* Intel Fortville */
486 case VNET_DPDK_PMD_I40E:
487 case VNET_DPDK_PMD_I40EVF:
488 xd->flags |= DPDK_DEVICE_FLAG_PMD_SUPPORTS_PTYPE;
489 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
491 switch (dev_info.pci_dev->id.device_id)
493 case I40E_DEV_ID_10G_BASE_T:
494 case I40E_DEV_ID_SFP_XL710:
495 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
497 case I40E_DEV_ID_QSFP_A:
498 case I40E_DEV_ID_QSFP_B:
499 case I40E_DEV_ID_QSFP_C:
500 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
503 rte_eth_link_get_nowait (i, &l);
504 xd->port_type = l.link_speed == 10000 ?
505 VNET_DPDK_PORT_TYPE_ETH_10G : VNET_DPDK_PORT_TYPE_ETH_40G;
508 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
512 case VNET_DPDK_PMD_CXGBE:
513 switch (dev_info.pci_dev->id.device_id)
515 case 0x540d: /* T580-CR */
516 case 0x5410: /* T580-LP-cr */
517 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
519 case 0x5403: /* T540-CR */
520 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
523 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
527 case VNET_DPDK_PMD_MLX5:
529 char *pn_100g[] = { "MCX415A-CCAT", "MCX416A-CCAT", 0 };
530 char *pn_40g[] = { "MCX413A-BCAT", "MCX414A-BCAT",
531 "MCX415A-BCAT", "MCX416A-BCAT", "MCX4131A-BCAT", 0
533 char *pn_10g[] = { "MCX4111A-XCAT", "MCX4121A-XCAT", 0 };
535 vlib_pci_device_t *pd = vlib_get_pci_device (&pci_addr);
539 pn = format (0, "%U%c",
540 format_vlib_pci_vpd, pd->vpd_r, "PN", 0);
546 while (!found && c[0])
548 if (strncmp ((char *) pn, c[0], strlen (c[0])) == 0)
550 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_100G;
557 while (!found && c[0])
559 if (strncmp ((char *) pn, c[0], strlen (c[0])) == 0)
561 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
568 while (!found && c[0])
570 if (strncmp ((char *) pn, c[0], strlen (c[0])) == 0)
572 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
582 /* Intel Red Rock Canyon */
583 case VNET_DPDK_PMD_FM10K:
584 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_SWITCH;
588 case VNET_DPDK_PMD_VIRTIO:
589 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
590 xd->nb_rx_desc = DPDK_NB_RX_DESC_VIRTIO;
591 xd->nb_tx_desc = DPDK_NB_TX_DESC_VIRTIO;
595 case VNET_DPDK_PMD_VMXNET3:
596 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
597 xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
600 case VNET_DPDK_PMD_AF_PACKET:
601 xd->port_type = VNET_DPDK_PORT_TYPE_AF_PACKET;
602 xd->af_packet_port_id = af_packet_port_id++;
605 case VNET_DPDK_PMD_BOND:
606 xd->flags |= DPDK_DEVICE_FLAG_PMD_SUPPORTS_PTYPE;
607 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_BOND;
611 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
614 if (devconf->num_rx_desc)
615 xd->nb_rx_desc = devconf->num_rx_desc;
617 if (devconf->num_tx_desc)
618 xd->nb_tx_desc = devconf->num_tx_desc;
622 * Ensure default mtu is not > the mtu read from the hardware.
623 * Otherwise rte_eth_dev_configure() will fail and the port will
626 if (ETHERNET_MAX_PACKET_BYTES > dev_info.max_rx_pktlen)
629 * This device does not support the platforms's max frame
630 * size. Use it's advertised mru instead.
632 xd->port_conf.rxmode.max_rx_pkt_len = dev_info.max_rx_pktlen;
636 xd->port_conf.rxmode.max_rx_pkt_len = ETHERNET_MAX_PACKET_BYTES;
639 * Some platforms do not account for Ethernet FCS (4 bytes) in
640 * MTU calculations. To interop with them increase mru but only
641 * if the device's settings can support it.
643 if ((dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES + 4)) &&
644 xd->port_conf.rxmode.hw_strip_crc)
647 * Allow additional 4 bytes (for Ethernet FCS). These bytes are
648 * stripped by h/w and so will not consume any buffer memory.
650 xd->port_conf.rxmode.max_rx_pkt_len += 4;
654 if (xd->pmd == VNET_DPDK_PMD_AF_PACKET)
656 f64 now = vlib_time_now (vm);
658 rnd = (u32) (now * 1e6);
659 rnd = random_u32 (&rnd);
660 clib_memcpy (addr + 2, &rnd, sizeof (rnd));
665 rte_eth_macaddr_get (i, (struct ether_addr *) addr);
667 if (xd->tx_q_used < tm->n_vlib_mains)
668 dpdk_device_lock_init (xd);
670 xd->device_index = xd - dm->devices;
671 ASSERT (i == xd->device_index);
672 xd->per_interface_next_index = ~0;
674 /* assign interface to input thread */
675 dpdk_device_and_queue_t *dq;
678 if (devconf->workers)
683 clib_bitmap_foreach (i, devconf->workers, ({
684 int cpu = dm->input_cpu_first_index + i;
685 unsigned lcore = vlib_worker_threads[cpu].lcore_id;
686 vec_validate(xd->cpu_socket_id_by_queue, q);
687 xd->cpu_socket_id_by_queue[q] = rte_lcore_to_socket_id(lcore);
688 vec_add2(dm->devices_by_cpu[cpu], dq, 1);
689 dq->device = xd->device_index;
695 for (q = 0; q < xd->rx_q_used; q++)
697 int cpu = dm->input_cpu_first_index + next_cpu;
698 unsigned lcore = vlib_worker_threads[cpu].lcore_id;
701 * numa node for worker thread handling this queue
702 * needed for taking buffers from the right mempool
704 vec_validate (xd->cpu_socket_id_by_queue, q);
705 xd->cpu_socket_id_by_queue[q] = rte_lcore_to_socket_id (lcore);
708 * construct vector of (device,queue) pairs for each worker thread
710 vec_add2 (dm->devices_by_cpu[cpu], dq, 1);
711 dq->device = xd->device_index;
715 if (next_cpu == dm->input_cpu_count)
720 if (devconf->hqos_enabled)
722 xd->flags |= DPDK_DEVICE_FLAG_HQOS;
724 if (devconf->hqos.hqos_thread_valid)
726 int cpu = dm->hqos_cpu_first_index + devconf->hqos.hqos_thread;
728 if (devconf->hqos.hqos_thread >= dm->hqos_cpu_count)
729 return clib_error_return (0, "invalid HQoS thread index");
731 vec_add2 (dm->devices_by_hqos_cpu[cpu], dq, 1);
732 dq->device = xd->device_index;
737 int cpu = dm->hqos_cpu_first_index + next_hqos_cpu;
739 if (dm->hqos_cpu_count == 0)
740 return clib_error_return (0, "no HQoS threads available");
742 vec_add2 (dm->devices_by_hqos_cpu[cpu], dq, 1);
743 dq->device = xd->device_index;
747 if (next_hqos_cpu == dm->hqos_cpu_count)
750 devconf->hqos.hqos_thread_valid = 1;
751 devconf->hqos.hqos_thread = cpu;
755 vec_validate_aligned (xd->tx_vectors, tm->n_vlib_mains,
756 CLIB_CACHE_LINE_BYTES);
757 for (j = 0; j < tm->n_vlib_mains; j++)
759 vec_validate_ha (xd->tx_vectors[j], xd->nb_tx_desc,
760 sizeof (tx_ring_hdr_t), CLIB_CACHE_LINE_BYTES);
761 vec_reset_length (xd->tx_vectors[j]);
764 vec_validate_aligned (xd->rx_vectors, xd->rx_q_used,
765 CLIB_CACHE_LINE_BYTES);
766 for (j = 0; j < xd->rx_q_used; j++)
768 vec_validate_aligned (xd->rx_vectors[j], VLIB_FRAME_SIZE - 1,
769 CLIB_CACHE_LINE_BYTES);
770 vec_reset_length (xd->rx_vectors[j]);
773 vec_validate_aligned (xd->d_trace_buffers, tm->n_vlib_mains,
774 CLIB_CACHE_LINE_BYTES);
776 rv = dpdk_port_setup (dm, xd);
781 if (devconf->hqos_enabled)
783 rv = dpdk_port_setup_hqos (xd, &devconf->hqos);
788 /* count the number of descriptors used for this device */
789 nb_desc += xd->nb_rx_desc + xd->nb_tx_desc * xd->tx_q_used;
791 error = ethernet_register_interface
792 (dm->vnet_main, dpdk_device_class.index, xd->device_index,
793 /* ethernet address */ addr,
794 &xd->vlib_hw_if_index, dpdk_flag_change);
798 sw = vnet_get_hw_sw_interface (dm->vnet_main, xd->vlib_hw_if_index);
799 xd->vlib_sw_if_index = sw->sw_if_index;
800 hi = vnet_get_hw_interface (dm->vnet_main, xd->vlib_hw_if_index);
803 * DAW-FIXME: The Cisco VIC firmware does not provide an api for a
804 * driver to dynamically change the mtu. If/when the
805 * VIC firmware gets fixed, then this should be removed.
807 if (xd->pmd == VNET_DPDK_PMD_ENIC)
810 * Initialize mtu to what has been set by CIMC in the firmware cfg.
812 hi->max_packet_bytes = dev_info.max_rx_pktlen;
813 if (devconf->vlan_strip_offload != DPDK_DEVICE_VLAN_STRIP_OFF)
814 vlan_strip = 1; /* remove vlan tag from VIC port by default */
816 clib_warning ("VLAN strip disabled for interface\n");
818 else if (devconf->vlan_strip_offload == DPDK_DEVICE_VLAN_STRIP_ON)
824 vlan_off = rte_eth_dev_get_vlan_offload (xd->device_index);
825 vlan_off |= ETH_VLAN_STRIP_OFFLOAD;
826 xd->port_conf.rxmode.hw_vlan_strip = vlan_off;
827 if (rte_eth_dev_set_vlan_offload (xd->device_index, vlan_off) == 0)
828 clib_warning ("VLAN strip enabled for interface\n");
830 clib_warning ("VLAN strip cannot be supported by interface\n");
833 hi->max_l3_packet_bytes[VLIB_RX] = hi->max_l3_packet_bytes[VLIB_TX] =
834 xd->port_conf.rxmode.max_rx_pkt_len - sizeof (ethernet_header_t);
836 rte_eth_dev_set_mtu (xd->device_index, hi->max_packet_bytes);
839 if (nb_desc > dm->conf->num_mbufs)
840 clib_warning ("%d mbufs allocated but total rx/tx ring size is %d\n",
841 dm->conf->num_mbufs, nb_desc);
847 dpdk_bind_devices_to_uio (dpdk_config_main_t * conf)
849 vlib_pci_main_t *pm = &pci_main;
851 vlib_pci_device_t *d;
853 int num_whitelisted = vec_len (conf->dev_confs);
856 pool_foreach (d, pm->pci_devs, ({
857 dpdk_device_config_t * devconf = 0;
858 vec_reset_length (pci_addr);
859 pci_addr = format (pci_addr, "%U%c", format_vlib_pci_addr, &d->bus_address, 0);
861 if (d->device_class != PCI_CLASS_NETWORK_ETHERNET)
866 uword * p = hash_get (conf->device_config_index_by_pci_addr, d->bus_address.as_u32);
871 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
875 if (d->vendor_id == 0x1af4 && d->device_id == 0x1000)
878 else if (d->vendor_id == 0x15ad && d->device_id == 0x07b0)
880 /* all Intel devices */
881 else if (d->vendor_id == 0x8086)
884 else if (d->vendor_id == 0x1137 && d->device_id == 0x0043)
887 else if (d->vendor_id == 0x1425 && (d->device_id & 0xe000) == 0x4000)
891 clib_warning ("Unsupported Ethernet PCI device 0x%04x:0x%04x found "
892 "at PCI address %s\n", (u16) d->vendor_id, (u16) d->device_id,
897 error = vlib_pci_bind_to_uio (d, (char *) conf->uio_driver_name);
903 pool_get (conf->dev_confs, devconf);
904 hash_set (conf->device_config_index_by_pci_addr, d->bus_address.as_u32,
905 devconf - conf->dev_confs);
906 devconf->pci_addr.as_u32 = d->bus_address.as_u32;
908 devconf->is_blacklisted = 1;
909 clib_error_report (error);
916 static clib_error_t *
917 dpdk_device_config (dpdk_config_main_t * conf, vlib_pci_addr_t pci_addr,
918 unformat_input_t * input, u8 is_default)
920 clib_error_t *error = 0;
922 dpdk_device_config_t *devconf;
923 unformat_input_t sub_input;
927 devconf = &conf->default_devconf;
931 p = hash_get (conf->device_config_index_by_pci_addr, pci_addr.as_u32);
935 pool_get (conf->dev_confs, devconf);
936 hash_set (conf->device_config_index_by_pci_addr, pci_addr.as_u32,
937 devconf - conf->dev_confs);
940 return clib_error_return (0,
941 "duplicate configuration for PCI address %U",
942 format_vlib_pci_addr, &pci_addr);
945 devconf->pci_addr.as_u32 = pci_addr.as_u32;
946 devconf->hqos_enabled = 0;
947 dpdk_device_config_hqos_default (&devconf->hqos);
952 unformat_skip_white_space (input);
953 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
955 if (unformat (input, "num-rx-queues %u", &devconf->num_rx_queues))
957 else if (unformat (input, "num-tx-queues %u", &devconf->num_tx_queues))
959 else if (unformat (input, "num-rx-desc %u", &devconf->num_rx_desc))
961 else if (unformat (input, "num-tx-desc %u", &devconf->num_tx_desc))
963 else if (unformat (input, "workers %U", unformat_bitmap_list,
968 (input, "rss %U", unformat_vlib_cli_sub_input, &sub_input))
970 error = unformat_rss_fn (&sub_input, &devconf->rss_fn);
974 else if (unformat (input, "vlan-strip-offload off"))
975 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_OFF;
976 else if (unformat (input, "vlan-strip-offload on"))
977 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_ON;
980 (input, "hqos %U", unformat_vlib_cli_sub_input, &sub_input))
982 devconf->hqos_enabled = 1;
983 error = unformat_hqos (&sub_input, &devconf->hqos);
987 else if (unformat (input, "hqos"))
989 devconf->hqos_enabled = 1;
993 error = clib_error_return (0, "unknown input `%U'",
994 format_unformat_error, input);
1002 if (devconf->workers && devconf->num_rx_queues == 0)
1003 devconf->num_rx_queues = clib_bitmap_count_set_bits (devconf->workers);
1004 else if (devconf->workers &&
1005 clib_bitmap_count_set_bits (devconf->workers) !=
1006 devconf->num_rx_queues)
1008 clib_error_return (0,
1009 "%U: number of worker threadds must be "
1010 "equal to number of rx queues", format_vlib_pci_addr,
1016 static clib_error_t *
1017 dpdk_config (vlib_main_t * vm, unformat_input_t * input)
1019 clib_error_t *error = 0;
1020 dpdk_main_t *dm = &dpdk_main;
1021 dpdk_config_main_t *conf = &dpdk_config_main;
1022 vlib_thread_main_t *tm = vlib_get_thread_main ();
1023 dpdk_device_config_t *devconf;
1024 vlib_pci_addr_t pci_addr;
1025 unformat_input_t sub_input;
1027 u8 *rte_cmd = 0, *ethname = 0;
1030 int num_whitelisted = 0;
1037 conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
1039 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1041 /* Prime the pump */
1042 if (unformat (input, "no-hugetlb"))
1044 vec_add1 (conf->eal_init_args, (u8 *) "no-huge");
1048 else if (unformat (input, "enable-tcp-udp-checksum"))
1049 conf->enable_tcp_udp_checksum = 1;
1051 else if (unformat (input, "decimal-interface-names"))
1052 conf->interface_name_format_decimal = 1;
1054 else if (unformat (input, "no-multi-seg"))
1055 conf->no_multi_seg = 1;
1057 else if (unformat (input, "enable-cryptodev"))
1058 conf->cryptodev = 1;
1060 else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input,
1064 dpdk_device_config (conf, (vlib_pci_addr_t) (u32) ~ 1, &sub_input,
1072 (input, "dev %U %U", unformat_vlib_pci_addr, &pci_addr,
1073 unformat_vlib_cli_sub_input, &sub_input))
1075 error = dpdk_device_config (conf, pci_addr, &sub_input, 0);
1082 else if (unformat (input, "dev %U", unformat_vlib_pci_addr, &pci_addr))
1084 error = dpdk_device_config (conf, pci_addr, 0, 0);
1091 else if (unformat (input, "num-mbufs %d", &conf->num_mbufs))
1093 else if (unformat (input, "kni %d", &conf->num_kni))
1095 else if (unformat (input, "uio-driver %s", &conf->uio_driver_name))
1097 else if (unformat (input, "socket-mem %s", &socket_mem))
1099 else if (unformat (input, "no-pci"))
1102 tmp = format (0, "--no-pci%c", 0);
1103 vec_add1 (conf->eal_init_args, tmp);
1105 else if (unformat (input, "poll-sleep %d", &dm->poll_sleep))
1109 else if (unformat(input, #a)) \
1111 tmp = format (0, "--%s%c", #a, 0); \
1112 vec_add1 (conf->eal_init_args, tmp); \
1114 foreach_eal_double_hyphen_predicate_arg
1117 else if (unformat(input, #a " %s", &s)) \
1119 if (!strncmp(#a, "huge-dir", 8)) \
1121 else if (!strncmp(#a, "file-prefix", 11)) \
1123 tmp = format (0, "--%s%c", #a, 0); \
1124 vec_add1 (conf->eal_init_args, tmp); \
1126 if (!strncmp(#a, "vdev", 4)) \
1127 if (strstr((char*)s, "af_packet")) \
1128 clib_warning ("af_packet obsoleted. Use CLI 'create host-interface'."); \
1129 vec_add1 (conf->eal_init_args, s); \
1131 foreach_eal_double_hyphen_arg
1134 else if (unformat(input, #a " %s", &s)) \
1136 tmp = format (0, "-%s%c", #b, 0); \
1137 vec_add1 (conf->eal_init_args, tmp); \
1139 vec_add1 (conf->eal_init_args, s); \
1141 foreach_eal_single_hyphen_arg
1144 else if (unformat(input, #a " %s", &s)) \
1146 tmp = format (0, "-%s%c", #b, 0); \
1147 vec_add1 (conf->eal_init_args, tmp); \
1149 vec_add1 (conf->eal_init_args, s); \
1150 conf->a##_set_manually = 1; \
1152 foreach_eal_single_hyphen_mandatory_arg
1154 else if (unformat (input, "default"))
1157 else if (unformat_skip_white_space (input))
1161 error = clib_error_return (0, "unknown input `%U'",
1162 format_unformat_error, input);
1167 if (!conf->uio_driver_name)
1168 conf->uio_driver_name = format (0, "igb_uio%c", 0);
1171 * Use 1G huge pages if available.
1173 if (!no_huge && !huge_dir)
1175 u32 x, *mem_by_socket = 0;
1179 u8 less_than_1g = 1;
1182 umount (DEFAULT_HUGE_DIR);
1184 /* Process "socket-mem" parameter value */
1185 if (vec_len (socket_mem))
1187 unformat_input_t in;
1188 unformat_init_vector (&in, socket_mem);
1189 while (unformat_check_input (&in) != UNFORMAT_END_OF_INPUT)
1191 if (unformat (&in, "%u,", &x))
1193 else if (unformat (&in, "%u", &x))
1195 else if (unformat (&in, ","))
1200 vec_add1 (mem_by_socket, x);
1205 /* Note: unformat_free vec_frees(in.buffer), aka socket_mem... */
1206 unformat_free (&in);
1212 clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
1214 vec_validate(mem_by_socket, c);
1215 mem_by_socket[c] = 256; /* default per-socket mem */
1221 /* check if available enough 1GB pages for each socket */
1223 clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
1225 int pages_avail, page_size, mem;
1227 vec_validate(mem_by_socket, c);
1228 mem = mem_by_socket[c];
1231 pages_avail = vlib_sysfs_get_free_hugepages(c, page_size * 1024);
1233 if (pages_avail < 0 || page_size * pages_avail < mem)
1237 pages_avail = vlib_sysfs_get_free_hugepages(c, page_size * 1024);
1239 if (pages_avail < 0 || page_size * pages_avail < mem)
1244 if (mem_by_socket == 0)
1246 error = clib_error_return (0, "mem_by_socket NULL");
1249 _vec_len (mem_by_socket) = c + 1;
1251 /* regenerate socket_mem string */
1252 vec_foreach_index (x, mem_by_socket)
1253 socket_mem = format (socket_mem, "%s%u",
1254 socket_mem ? "," : "", mem_by_socket[x]);
1255 socket_mem = format (socket_mem, "%c", 0);
1257 vec_free (mem_by_socket);
1259 rv = mkdir (VPP_RUN_DIR, 0755);
1260 if (rv && errno != EEXIST)
1262 error = clib_error_return (0, "mkdir '%s' failed errno %d",
1263 VPP_RUN_DIR, errno);
1267 rv = mkdir (DEFAULT_HUGE_DIR, 0755);
1268 if (rv && errno != EEXIST)
1270 error = clib_error_return (0, "mkdir '%s' failed errno %d",
1271 DEFAULT_HUGE_DIR, errno);
1275 if (use_1g && !(less_than_1g && use_2m))
1278 mount ("none", DEFAULT_HUGE_DIR, "hugetlbfs", 0, "pagesize=1G");
1282 rv = mount ("none", DEFAULT_HUGE_DIR, "hugetlbfs", 0, NULL);
1286 return clib_error_return (0, "not enough free huge pages");
1291 error = clib_error_return (0, "mount failed %d", errno);
1295 tmp = format (0, "--huge-dir%c", 0);
1296 vec_add1 (conf->eal_init_args, tmp);
1297 tmp = format (0, "%s%c", DEFAULT_HUGE_DIR, 0);
1298 vec_add1 (conf->eal_init_args, tmp);
1301 tmp = format (0, "--file-prefix%c", 0);
1302 vec_add1 (conf->eal_init_args, tmp);
1303 tmp = format (0, "vpp%c", 0);
1304 vec_add1 (conf->eal_init_args, tmp);
1314 /* I'll bet that -c and -n must be the first and second args... */
1315 if (!conf->coremask_set_manually)
1317 vlib_thread_registration_t *tr;
1318 uword *coremask = 0;
1321 /* main thread core */
1322 coremask = clib_bitmap_set (coremask, tm->main_lcore, 1);
1324 for (i = 0; i < vec_len (tm->registrations); i++)
1326 tr = tm->registrations[i];
1327 coremask = clib_bitmap_or (coremask, tr->coremask);
1330 vec_insert (conf->eal_init_args, 2, 1);
1331 conf->eal_init_args[1] = (u8 *) "-c";
1332 tmp = format (0, "%U%c", format_bitmap_hex, coremask, 0);
1333 conf->eal_init_args[2] = tmp;
1334 clib_bitmap_free (coremask);
1337 if (!conf->nchannels_set_manually)
1339 vec_insert (conf->eal_init_args, 2, 3);
1340 conf->eal_init_args[3] = (u8 *) "-n";
1341 tmp = format (0, "%d", conf->nchannels);
1342 conf->eal_init_args[4] = tmp;
1345 if (no_pci == 0 && geteuid () == 0)
1346 dpdk_bind_devices_to_uio (conf);
1349 if (devconf->x == 0 && conf->default_devconf.x > 0) \
1350 devconf->x = conf->default_devconf.x ;
1353 pool_foreach (devconf, conf->dev_confs, ({
1355 /* default per-device config items */
1356 foreach_dpdk_device_config_item
1358 /* add DPDK EAL whitelist/blacklist entry */
1359 if (num_whitelisted > 0 && devconf->is_blacklisted == 0)
1361 tmp = format (0, "-w%c", 0);
1362 vec_add1 (conf->eal_init_args, tmp);
1363 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1364 vec_add1 (conf->eal_init_args, tmp);
1366 else if (num_whitelisted == 0 && devconf->is_blacklisted != 0)
1368 tmp = format (0, "-b%c", 0);
1369 vec_add1 (conf->eal_init_args, tmp);
1370 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1371 vec_add1 (conf->eal_init_args, tmp);
1378 /* set master-lcore */
1379 tmp = format (0, "--master-lcore%c", 0);
1380 vec_add1 (conf->eal_init_args, tmp);
1381 tmp = format (0, "%u%c", tm->main_lcore, 0);
1382 vec_add1 (conf->eal_init_args, tmp);
1384 /* set socket-mem */
1385 tmp = format (0, "--socket-mem%c", 0);
1386 vec_add1 (conf->eal_init_args, tmp);
1387 tmp = format (0, "%s%c", socket_mem, 0);
1388 vec_add1 (conf->eal_init_args, tmp);
1390 /* NULL terminate the "argv" vector, in case of stupidity */
1391 vec_add1 (conf->eal_init_args, 0);
1392 _vec_len (conf->eal_init_args) -= 1;
1394 /* Set up DPDK eal and packet mbuf pool early. */
1396 log_level = (CLIB_DEBUG > 0) ? RTE_LOG_DEBUG : RTE_LOG_NOTICE;
1398 rte_set_log_level (log_level);
1400 vm = vlib_get_main ();
1402 /* make copy of args as rte_eal_init tends to mess up with arg array */
1403 for (i = 1; i < vec_len (conf->eal_init_args); i++)
1404 conf->eal_init_args_str = format (conf->eal_init_args_str, "%s ",
1405 conf->eal_init_args[i]);
1408 rte_eal_init (vec_len (conf->eal_init_args),
1409 (char **) conf->eal_init_args);
1411 /* lazy umount hugepages */
1412 umount2 (DEFAULT_HUGE_DIR, MNT_DETACH);
1415 return clib_error_return (0, "rte_eal_init returned %d", ret);
1417 /* Dump the physical memory layout prior to creating the mbuf_pool */
1418 fprintf (stdout, "DPDK physical memory layout:\n");
1419 rte_dump_physmem_layout (stdout);
1421 /* main thread 1st */
1422 error = vlib_buffer_pool_create (vm, conf->num_mbufs, rte_socket_id ());
1426 for (i = 0; i < RTE_MAX_LCORE; i++)
1428 error = vlib_buffer_pool_create (vm, conf->num_mbufs,
1429 rte_lcore_to_socket_id (i));
1438 VLIB_CONFIG_FUNCTION (dpdk_config, "dpdk");
1441 dpdk_update_link_state (dpdk_device_t * xd, f64 now)
1443 vnet_main_t *vnm = vnet_get_main ();
1444 struct rte_eth_link prev_link = xd->link;
1446 u8 hw_flags_chg = 0;
1448 /* only update link state for PMD interfaces */
1449 if ((xd->flags & DPDK_DEVICE_FLAG_PMD) == 0)
1452 xd->time_last_link_update = now ? now : xd->time_last_link_update;
1453 memset (&xd->link, 0, sizeof (xd->link));
1454 rte_eth_link_get_nowait (xd->device_index, &xd->link);
1456 if (LINK_STATE_ELOGS)
1458 vlib_main_t *vm = vlib_get_main ();
1459 ELOG_TYPE_DECLARE (e) =
1462 "update-link-state: sw_if_index %d, admin_up %d,"
1463 "old link_state %d new link_state %d",.format_args = "i4i1i1i1",};
1472 ed = ELOG_DATA (&vm->elog_main, e);
1473 ed->sw_if_index = xd->vlib_sw_if_index;
1474 ed->admin_up = (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) != 0;
1475 ed->old_link_state = (u8)
1476 vnet_hw_interface_is_link_up (vnm, xd->vlib_hw_if_index);
1477 ed->new_link_state = (u8) xd->link.link_status;
1480 if ((xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) &&
1481 ((xd->link.link_status != 0) ^
1482 vnet_hw_interface_is_link_up (vnm, xd->vlib_hw_if_index)))
1485 hw_flags |= (xd->link.link_status ? VNET_HW_INTERFACE_FLAG_LINK_UP : 0);
1488 if (hw_flags_chg || (xd->link.link_duplex != prev_link.link_duplex))
1491 switch (xd->link.link_duplex)
1493 case ETH_LINK_HALF_DUPLEX:
1494 hw_flags |= VNET_HW_INTERFACE_FLAG_HALF_DUPLEX;
1496 case ETH_LINK_FULL_DUPLEX:
1497 hw_flags |= VNET_HW_INTERFACE_FLAG_FULL_DUPLEX;
1503 if (hw_flags_chg || (xd->link.link_speed != prev_link.link_speed))
1506 switch (xd->link.link_speed)
1508 case ETH_SPEED_NUM_10M:
1509 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10M;
1511 case ETH_SPEED_NUM_100M:
1512 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_100M;
1514 case ETH_SPEED_NUM_1G:
1515 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_1G;
1517 case ETH_SPEED_NUM_10G:
1518 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10G;
1520 case ETH_SPEED_NUM_40G:
1521 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_40G;
1526 clib_warning ("unknown link speed %d", xd->link.link_speed);
1532 if (LINK_STATE_ELOGS)
1534 vlib_main_t *vm = vlib_get_main ();
1536 ELOG_TYPE_DECLARE (e) =
1539 "update-link-state: sw_if_index %d, new flags %d",.format_args
1547 ed = ELOG_DATA (&vm->elog_main, e);
1548 ed->sw_if_index = xd->vlib_sw_if_index;
1549 ed->flags = hw_flags;
1551 vnet_hw_interface_set_flags (vnm, xd->vlib_hw_if_index, hw_flags);
1556 dpdk_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
1558 clib_error_t *error;
1559 vnet_main_t *vnm = vnet_get_main ();
1560 dpdk_main_t *dm = &dpdk_main;
1561 ethernet_main_t *em = ðernet_main;
1563 vlib_thread_main_t *tm = vlib_get_thread_main ();
1566 error = dpdk_lib_init (dm);
1569 * Turn on the input node if we found some devices to drive
1570 * and we're not running worker threads or i/o threads
1573 if (error == 0 && vec_len (dm->devices) > 0)
1575 if (tm->n_vlib_mains == 1)
1576 vlib_node_set_state (vm, dpdk_input_node.index,
1577 VLIB_NODE_STATE_POLLING);
1579 for (i = 0; i < tm->n_vlib_mains; i++)
1580 if (vec_len (dm->devices_by_cpu[i]) > 0)
1581 vlib_node_set_state (vlib_mains[i], dpdk_input_node.index,
1582 VLIB_NODE_STATE_POLLING);
1586 clib_error_report (error);
1588 tm->worker_thread_release = 1;
1590 f64 now = vlib_time_now (vm);
1591 vec_foreach (xd, dm->devices)
1593 dpdk_update_link_state (xd, now);
1598 * Extra set up for bond interfaces:
1599 * 1. Setup MACs for bond interfaces and their slave links which was set
1600 * in dpdk_port_setup() but needs to be done again here to take effect.
1601 * 2. Set up info for bond interface related CLI support.
1603 int nports = rte_eth_dev_count ();
1606 for (i = 0; i < nports; i++)
1608 struct rte_eth_dev_info dev_info;
1609 rte_eth_dev_info_get (i, &dev_info);
1610 if (!dev_info.driver_name)
1611 #if RTE_VERSION < RTE_VERSION_NUM(16, 11, 0, 0)
1612 dev_info.driver_name = dev_info.pci_dev->driver->name;
1614 dev_info.driver_name = dev_info.pci_dev->driver->driver.name;
1616 ASSERT (dev_info.driver_name);
1617 if (strncmp (dev_info.driver_name, "rte_bond_pmd", 12) == 0)
1621 int nlink = rte_eth_bond_slaves_get (i, slink, 16);
1624 vnet_hw_interface_t *bhi;
1625 ethernet_interface_t *bei;
1628 /* Get MAC of 1st slave link */
1629 rte_eth_macaddr_get (slink[0],
1630 (struct ether_addr *) addr);
1631 /* Set MAC of bounded interface to that of 1st slave link */
1633 rte_eth_bond_mac_address_set (i,
1634 (struct ether_addr *)
1637 clib_warning ("Failed to set MAC address");
1639 /* Populate MAC of bonded interface in VPP hw tables */
1641 vnet_get_hw_interface (vnm,
1642 dm->devices[i].vlib_hw_if_index);
1644 pool_elt_at_index (em->interfaces, bhi->hw_instance);
1645 clib_memcpy (bhi->hw_address, addr, 6);
1646 clib_memcpy (bei->address, addr, 6);
1647 /* Init l3 packet size allowed on bonded interface */
1648 bhi->max_packet_bytes = ETHERNET_MAX_PACKET_BYTES;
1649 bhi->max_l3_packet_bytes[VLIB_RX] =
1650 bhi->max_l3_packet_bytes[VLIB_TX] =
1651 ETHERNET_MAX_PACKET_BYTES - sizeof (ethernet_header_t);
1653 { /* for all slave links */
1654 int slave = slink[--nlink];
1655 dpdk_device_t *sdev = &dm->devices[slave];
1656 vnet_hw_interface_t *shi;
1657 vnet_sw_interface_t *ssi;
1658 /* Add MAC to all slave links except the first one */
1660 rte_eth_dev_mac_addr_add (slave,
1661 (struct ether_addr *)
1663 /* Set slaves bitmap for bonded interface */
1665 clib_bitmap_set (bhi->bond_info,
1666 sdev->vlib_hw_if_index, 1);
1667 /* Set slave link flags on slave interface */
1669 vnet_get_hw_interface (vnm, sdev->vlib_hw_if_index);
1671 vnet_get_sw_interface (vnm, sdev->vlib_sw_if_index);
1672 shi->bond_info = VNET_HW_INTERFACE_BOND_INFO_SLAVE;
1673 ssi->flags |= VNET_SW_INTERFACE_FLAG_BOND_SLAVE;
1675 /* Set l3 packet size allowed as the lowest of slave */
1676 if (bhi->max_l3_packet_bytes[VLIB_RX] >
1677 shi->max_l3_packet_bytes[VLIB_RX])
1678 bhi->max_l3_packet_bytes[VLIB_RX] =
1679 bhi->max_l3_packet_bytes[VLIB_TX] =
1680 shi->max_l3_packet_bytes[VLIB_RX];
1682 /* Set max packet size allowed as the lowest of slave */
1683 if (bhi->max_packet_bytes > shi->max_packet_bytes)
1684 bhi->max_packet_bytes = shi->max_packet_bytes;
1695 * check each time through the loop in case intervals are changed
1697 f64 min_wait = dm->link_state_poll_interval < dm->stat_poll_interval ?
1698 dm->link_state_poll_interval : dm->stat_poll_interval;
1700 vlib_process_wait_for_event_or_clock (vm, min_wait);
1702 if (dm->admin_up_down_in_progress)
1703 /* skip the poll if an admin up down is in progress (on any interface) */
1706 vec_foreach (xd, dm->devices)
1708 f64 now = vlib_time_now (vm);
1709 if ((now - xd->time_last_stats_update) >= dm->stat_poll_interval)
1710 dpdk_update_counters (xd, now);
1711 if ((now - xd->time_last_link_update) >= dm->link_state_poll_interval)
1712 dpdk_update_link_state (xd, now);
1721 VLIB_REGISTER_NODE (dpdk_process_node,static) = {
1722 .function = dpdk_process,
1723 .type = VLIB_NODE_TYPE_PROCESS,
1724 .name = "dpdk-process",
1725 .process_log2_n_stack_bytes = 17,
1730 dpdk_set_stat_poll_interval (f64 interval)
1732 if (interval < DPDK_MIN_STATS_POLL_INTERVAL)
1733 return (VNET_API_ERROR_INVALID_VALUE);
1735 dpdk_main.stat_poll_interval = interval;
1741 dpdk_set_link_state_poll_interval (f64 interval)
1743 if (interval < DPDK_MIN_LINK_POLL_INTERVAL)
1744 return (VNET_API_ERROR_INVALID_VALUE);
1746 dpdk_main.link_state_poll_interval = interval;
1752 dpdk_init (vlib_main_t * vm)
1754 dpdk_main_t *dm = &dpdk_main;
1756 clib_error_t *error = 0;
1757 vlib_thread_main_t *tm = vlib_get_thread_main ();
1759 /* verify that structs are cacheline aligned */
1760 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline0) == 0,
1761 "Cache line marker must be 1st element in dpdk_device_t");
1762 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline1) ==
1763 CLIB_CACHE_LINE_BYTES,
1764 "Data in cache line 0 is bigger than cache line size");
1765 STATIC_ASSERT (offsetof (dpdk_worker_t, cacheline0) == 0,
1766 "Cache line marker must be 1st element in dpdk_worker_t");
1767 STATIC_ASSERT (offsetof (frame_queue_trace_t, cacheline0) == 0,
1768 "Cache line marker must be 1st element in frame_queue_trace_t");
1771 dm->vnet_main = vnet_get_main ();
1772 dm->conf = &dpdk_config_main;
1774 ei = vlib_get_node_by_name (vm, (u8 *) "ethernet-input");
1776 return clib_error_return (0, "ethernet-input node AWOL");
1778 dm->ethernet_input_node_index = ei->index;
1780 dm->conf->nchannels = 4;
1781 dm->conf->num_mbufs = dm->conf->num_mbufs ? dm->conf->num_mbufs : NB_MBUF;
1782 vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet");
1784 dm->dpdk_device_by_kni_port_id = hash_create (0, sizeof (uword));
1785 dm->vu_sw_if_index_by_listener_fd = hash_create (0, sizeof (uword));
1786 dm->vu_sw_if_index_by_sock_fd = hash_create (0, sizeof (uword));
1788 /* $$$ use n_thread_stacks since it's known-good at this point */
1789 vec_validate (dm->recycle, tm->n_thread_stacks - 1);
1791 /* Default vlib_buffer_t flags, DISABLES tcp/udp checksumming... */
1792 dm->buffer_flags_template =
1793 (VLIB_BUFFER_TOTAL_LENGTH_VALID | VNET_BUFFER_RTE_MBUF_VALID
1794 | IP_BUFFER_L4_CHECKSUM_COMPUTED | IP_BUFFER_L4_CHECKSUM_CORRECT);
1796 dm->stat_poll_interval = DPDK_STATS_POLL_INTERVAL;
1797 dm->link_state_poll_interval = DPDK_LINK_POLL_INTERVAL;
1800 if ((error = vlib_call_init_function (vm, dpdk_cli_init)))
1806 VLIB_INIT_FUNCTION (dpdk_init);
1810 * fd.io coding-style-patch-verification: ON
1813 * eval: (c-set-style "gnu")