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>
20 #include <vppinfra/linux/sysfs.h>
21 #include <vlib/unix/unix.h>
24 #include <vnet/ethernet/ethernet.h>
25 #include <dpdk/device/dpdk.h>
26 #include <vlib/pci/pci.h>
34 #include <sys/mount.h>
38 #include <dpdk/device/dpdk_priv.h>
40 #define ETHER_MAX_LEN 1518 /**< Maximum frame len, including CRC. */
42 dpdk_main_t dpdk_main;
43 dpdk_config_main_t dpdk_config_main;
45 #define LINK_STATE_ELOGS 0
47 /* Port configuration, mildly modified Intel app values */
49 static struct rte_eth_conf port_conf_template = {
52 .header_split = 0, /**< Header Split disabled */
53 .hw_ip_checksum = 0, /**< IP checksum offload disabled */
54 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
55 .hw_strip_crc = 0, /**< CRC stripped by hardware */
58 .mq_mode = ETH_MQ_TX_NONE,
62 static dpdk_port_type_t
63 port_type_from_speed_capa (struct rte_eth_dev_info *dev_info)
66 if (dev_info->speed_capa & ETH_LINK_SPEED_100G)
67 return VNET_DPDK_PORT_TYPE_ETH_100G;
68 else if (dev_info->speed_capa & ETH_LINK_SPEED_56G)
69 return VNET_DPDK_PORT_TYPE_ETH_56G;
70 else if (dev_info->speed_capa & ETH_LINK_SPEED_50G)
71 return VNET_DPDK_PORT_TYPE_ETH_50G;
72 else if (dev_info->speed_capa & ETH_LINK_SPEED_40G)
73 return VNET_DPDK_PORT_TYPE_ETH_40G;
74 else if (dev_info->speed_capa & ETH_LINK_SPEED_25G)
75 return VNET_DPDK_PORT_TYPE_ETH_25G;
76 else if (dev_info->speed_capa & ETH_LINK_SPEED_20G)
77 return VNET_DPDK_PORT_TYPE_ETH_20G;
78 else if (dev_info->speed_capa & ETH_LINK_SPEED_10G)
79 return VNET_DPDK_PORT_TYPE_ETH_10G;
80 else if (dev_info->speed_capa & ETH_LINK_SPEED_5G)
81 return VNET_DPDK_PORT_TYPE_ETH_5G;
82 else if (dev_info->speed_capa & ETH_LINK_SPEED_2_5G)
83 return VNET_DPDK_PORT_TYPE_ETH_2_5G;
84 else if (dev_info->speed_capa & ETH_LINK_SPEED_1G)
85 return VNET_DPDK_PORT_TYPE_ETH_1G;
87 return VNET_DPDK_PORT_TYPE_UNKNOWN;
92 dpdk_flag_change (vnet_main_t * vnm, vnet_hw_interface_t * hi, u32 flags)
94 dpdk_main_t *dm = &dpdk_main;
95 dpdk_device_t *xd = vec_elt_at_index (dm->devices, hi->dev_instance);
98 if (ETHERNET_INTERFACE_FLAG_CONFIG_PROMISC (flags))
100 old = (xd->flags & DPDK_DEVICE_FLAG_PROMISC) != 0;
102 if (flags & ETHERNET_INTERFACE_FLAG_ACCEPT_ALL)
103 xd->flags |= DPDK_DEVICE_FLAG_PROMISC;
105 xd->flags &= ~DPDK_DEVICE_FLAG_PROMISC;
107 if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
109 if (xd->flags & DPDK_DEVICE_FLAG_PROMISC)
110 rte_eth_promiscuous_enable (xd->device_index);
112 rte_eth_promiscuous_disable (xd->device_index);
115 else if (ETHERNET_INTERFACE_FLAG_CONFIG_MTU (flags))
117 xd->port_conf.rxmode.max_rx_pkt_len = hi->max_packet_bytes;
118 dpdk_device_setup (xd);
124 dpdk_device_lock_init (dpdk_device_t * xd)
127 vec_validate (xd->lockp, xd->tx_q_used - 1);
128 for (q = 0; q < xd->tx_q_used; q++)
130 xd->lockp[q] = clib_mem_alloc_aligned (CLIB_CACHE_LINE_BYTES,
131 CLIB_CACHE_LINE_BYTES);
132 memset ((void *) xd->lockp[q], 0, CLIB_CACHE_LINE_BYTES);
136 static struct rte_mempool_ops *
137 get_ops_by_name (char *ops_name)
141 for (i = 0; i < rte_mempool_ops_table.num_ops; i++)
143 if (!strcmp (ops_name, rte_mempool_ops_table.ops[i].name))
144 return &rte_mempool_ops_table.ops[i];
151 dpdk_ring_alloc (struct rte_mempool *mp)
153 u32 rg_flags = 0, count;
155 char rg_name[RTE_RING_NAMESIZE];
158 ret = snprintf (rg_name, sizeof (rg_name), RTE_MEMPOOL_MZ_FORMAT, mp->name);
159 if (ret < 0 || ret >= (i32) sizeof (rg_name))
160 return -ENAMETOOLONG;
163 if (mp->flags & MEMPOOL_F_SP_PUT)
164 rg_flags |= RING_F_SP_ENQ;
165 if (mp->flags & MEMPOOL_F_SC_GET)
166 rg_flags |= RING_F_SC_DEQ;
168 count = rte_align32pow2 (mp->size + 1);
170 * Allocate the ring that will be used to store objects.
171 * Ring functions will return appropriate errors if we are
172 * running as a secondary process etc., so no checks made
173 * in this function for that condition.
175 /* XXX can we get memory from the right socket? */
176 r = clib_mem_alloc_aligned (rte_ring_get_memsize (count),
177 CLIB_CACHE_LINE_BYTES);
179 /* XXX rte_ring_lookup will not work */
181 ret = rte_ring_init (r, rg_name, count, rg_flags);
190 static clib_error_t *
191 dpdk_lib_init (dpdk_main_t * dm)
194 u32 mtu, max_rx_frame;
198 vlib_main_t *vm = vlib_get_main ();
199 vlib_thread_main_t *tm = vlib_get_thread_main ();
200 vnet_device_main_t *vdm = &vnet_device_main;
201 vnet_sw_interface_t *sw;
202 vnet_hw_interface_t *hi;
204 vlib_pci_addr_t last_pci_addr;
205 u32 last_pci_addr_port = 0;
206 vlib_thread_registration_t *tr_hqos;
209 u32 next_hqos_cpu = 0;
210 u8 af_packet_instance_num = 0;
211 u8 bond_ether_instance_num = 0;
212 last_pci_addr.as_u32 = ~0;
214 dm->hqos_cpu_first_index = 0;
215 dm->hqos_cpu_count = 0;
217 /* find out which cpus will be used for I/O TX */
218 p_hqos = hash_get_mem (tm->thread_registrations_by_name, "hqos-threads");
219 tr_hqos = p_hqos ? (vlib_thread_registration_t *) p_hqos[0] : 0;
221 if (tr_hqos && tr_hqos->count > 0)
223 dm->hqos_cpu_first_index = tr_hqos->first_index;
224 dm->hqos_cpu_count = tr_hqos->count;
227 vec_validate_aligned (dm->devices_by_hqos_cpu, tm->n_vlib_mains - 1,
228 CLIB_CACHE_LINE_BYTES);
230 nports = rte_eth_dev_count ();
233 dpdk_log_notice ("DPDK drivers found no ports...");
237 dpdk_log_notice ("DPDK drivers found %d ports...", nports);
239 if (dm->conf->enable_tcp_udp_checksum)
240 dm->buffer_flags_template &= ~(VNET_BUFFER_F_L4_CHECKSUM_CORRECT
241 | VNET_BUFFER_F_L4_CHECKSUM_COMPUTED);
243 /* vlib_buffer_t template */
244 vec_validate_aligned (dm->per_thread_data, tm->n_vlib_mains - 1,
245 CLIB_CACHE_LINE_BYTES);
246 for (i = 0; i < tm->n_vlib_mains; i++)
248 vlib_buffer_free_list_t *fl;
249 dpdk_per_thread_data_t *ptd = vec_elt_at_index (dm->per_thread_data, i);
250 fl = vlib_buffer_get_free_list (vm,
251 VLIB_BUFFER_DEFAULT_FREE_LIST_INDEX);
252 vlib_buffer_init_for_free_list (&ptd->buffer_template, fl);
253 ptd->buffer_template.flags = dm->buffer_flags_template;
254 vnet_buffer (&ptd->buffer_template)->sw_if_index[VLIB_TX] = (u32) ~ 0;
257 for (i = 0; i < nports; i++)
261 struct rte_eth_dev_info dev_info;
262 struct rte_eth_link l;
263 dpdk_device_config_t *devconf = 0;
264 vlib_pci_addr_t pci_addr;
267 rte_eth_link_get_nowait (i, &l);
268 rte_eth_dev_info_get (i, &dev_info);
269 if (dev_info.pci_dev) /* bonded interface has no pci info */
271 pci_addr.domain = dev_info.pci_dev->addr.domain;
272 pci_addr.bus = dev_info.pci_dev->addr.bus;
273 pci_addr.slot = dev_info.pci_dev->addr.devid;
274 pci_addr.function = dev_info.pci_dev->addr.function;
276 hash_get (dm->conf->device_config_index_by_pci_addr,
281 devconf = pool_elt_at_index (dm->conf->dev_confs, p[0]);
283 devconf = &dm->conf->default_devconf;
285 /* Create vnet interface */
286 vec_add2_aligned (dm->devices, xd, 1, CLIB_CACHE_LINE_BYTES);
287 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
288 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
289 xd->cpu_socket = (i8) rte_eth_dev_socket_id (i);
291 /* Handle interface naming for devices with multiple ports sharing same PCI ID */
292 if (dev_info.pci_dev)
294 struct rte_eth_dev_info di = { 0 };
295 rte_eth_dev_info_get (i + 1, &di);
296 if (di.pci_dev && pci_addr.as_u32 != last_pci_addr.as_u32 &&
297 memcmp (&dev_info.pci_dev->addr, &di.pci_dev->addr,
298 sizeof (struct rte_pci_addr)) == 0)
300 xd->interface_name_suffix = format (0, "0");
301 last_pci_addr.as_u32 = pci_addr.as_u32;
302 last_pci_addr_port = i;
304 else if (pci_addr.as_u32 == last_pci_addr.as_u32)
306 xd->interface_name_suffix =
307 format (0, "%u", i - last_pci_addr_port);
311 last_pci_addr.as_u32 = ~0;
315 last_pci_addr.as_u32 = ~0;
317 clib_memcpy (&xd->tx_conf, &dev_info.default_txconf,
318 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;
324 port_conf_template.rxmode.enable_scatter = 0;
328 xd->tx_conf.txq_flags &= ~ETH_TXQ_FLAGS_NOMULTSEGS;
329 port_conf_template.rxmode.jumbo_frame = 1;
330 port_conf_template.rxmode.enable_scatter = 1;
331 xd->flags |= DPDK_DEVICE_FLAG_MAYBE_MULTISEG;
334 clib_memcpy (&xd->port_conf, &port_conf_template,
335 sizeof (struct rte_eth_conf));
337 xd->tx_q_used = clib_min (dev_info.max_tx_queues, tm->n_vlib_mains);
339 if (devconf->num_tx_queues > 0
340 && devconf->num_tx_queues < xd->tx_q_used)
341 xd->tx_q_used = clib_min (xd->tx_q_used, devconf->num_tx_queues);
343 if (devconf->num_rx_queues > 1
344 && 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 =
350 ETH_RSS_IP | ETH_RSS_UDP | ETH_RSS_TCP;
352 xd->port_conf.rx_adv_conf.rss_conf.rss_hf = devconf->rss_fn;
357 xd->flags |= DPDK_DEVICE_FLAG_PMD;
359 /* workaround for drivers not setting driver_name */
360 if ((!dev_info.driver_name) && (dev_info.pci_dev))
361 dev_info.driver_name = dev_info.pci_dev->driver->driver.name;
363 ASSERT (dev_info.driver_name);
369 #define _(s,f) else if (dev_info.driver_name && \
370 !strcmp(dev_info.driver_name, s)) \
371 xd->pmd = VNET_DPDK_PMD_##f;
377 xd->pmd = VNET_DPDK_PMD_UNKNOWN;
379 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
380 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
381 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
385 /* Drivers with valid speed_capa set */
386 case VNET_DPDK_PMD_E1000EM:
387 case VNET_DPDK_PMD_IGB:
388 case VNET_DPDK_PMD_IXGBE:
389 case VNET_DPDK_PMD_I40E:
390 xd->port_type = port_type_from_speed_capa (&dev_info);
391 xd->supported_flow_actions = VNET_FLOW_ACTION_MARK |
392 VNET_FLOW_ACTION_REDIRECT_TO_NODE |
393 VNET_FLOW_ACTION_BUFFER_ADVANCE |
394 VNET_FLOW_ACTION_COUNT | VNET_FLOW_ACTION_DROP;
396 if (dm->conf->no_tx_checksum_offload == 0)
398 xd->tx_conf.txq_flags &= ~ETH_TXQ_FLAGS_NOXSUMS;
400 DPDK_DEVICE_FLAG_TX_OFFLOAD |
401 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
406 case VNET_DPDK_PMD_CXGBE:
407 case VNET_DPDK_PMD_MLX4:
408 case VNET_DPDK_PMD_MLX5:
409 xd->port_type = port_type_from_speed_capa (&dev_info);
413 case VNET_DPDK_PMD_IGBVF:
414 case VNET_DPDK_PMD_IXGBEVF:
415 case VNET_DPDK_PMD_I40EVF:
416 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
417 xd->port_conf.rxmode.hw_strip_crc = 1;
420 case VNET_DPDK_PMD_THUNDERX:
421 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
422 xd->port_conf.rxmode.hw_strip_crc = 1;
425 case VNET_DPDK_PMD_ENA:
426 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
427 xd->port_conf.rxmode.enable_scatter = 0;
430 case VNET_DPDK_PMD_DPAA2:
431 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
435 case VNET_DPDK_PMD_ENIC:
436 if (l.link_speed == 40000)
437 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
439 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
442 /* Intel Red Rock Canyon */
443 case VNET_DPDK_PMD_FM10K:
444 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_SWITCH;
445 xd->port_conf.rxmode.hw_strip_crc = 1;
449 case VNET_DPDK_PMD_VIRTIO:
450 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
451 xd->nb_rx_desc = DPDK_NB_RX_DESC_VIRTIO;
452 xd->nb_tx_desc = DPDK_NB_TX_DESC_VIRTIO;
456 case VNET_DPDK_PMD_VMXNET3:
457 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
458 xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
461 case VNET_DPDK_PMD_AF_PACKET:
462 xd->port_type = VNET_DPDK_PORT_TYPE_AF_PACKET;
463 xd->af_packet_instance_num = af_packet_instance_num++;
466 case VNET_DPDK_PMD_BOND:
467 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_BOND;
468 xd->bond_instance_num = bond_ether_instance_num++;
471 case VNET_DPDK_PMD_VIRTIO_USER:
472 xd->port_type = VNET_DPDK_PORT_TYPE_VIRTIO_USER;
475 case VNET_DPDK_PMD_VHOST_ETHER:
476 xd->port_type = VNET_DPDK_PORT_TYPE_VHOST_ETHER;
479 case VNET_DPDK_PMD_LIOVF_ETHER:
480 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
484 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
487 if (devconf->num_rx_desc)
488 xd->nb_rx_desc = devconf->num_rx_desc;
490 if (devconf->num_tx_desc)
491 xd->nb_tx_desc = devconf->num_tx_desc;
494 if (xd->pmd == VNET_DPDK_PMD_AF_PACKET)
496 f64 now = vlib_time_now (vm);
498 rnd = (u32) (now * 1e6);
499 rnd = random_u32 (&rnd);
500 clib_memcpy (addr + 2, &rnd, sizeof (rnd));
505 rte_eth_macaddr_get (i, (struct ether_addr *) addr);
507 if (xd->tx_q_used < tm->n_vlib_mains)
508 dpdk_device_lock_init (xd);
510 xd->device_index = xd - dm->devices;
511 ASSERT (i == xd->device_index);
512 xd->per_interface_next_index = ~0;
514 /* assign interface to input thread */
517 if (devconf->hqos_enabled)
519 xd->flags |= DPDK_DEVICE_FLAG_HQOS;
522 if (devconf->hqos.hqos_thread_valid)
524 if (devconf->hqos.hqos_thread >= dm->hqos_cpu_count)
525 return clib_error_return (0, "invalid HQoS thread index");
527 cpu = dm->hqos_cpu_first_index + devconf->hqos.hqos_thread;
531 if (dm->hqos_cpu_count == 0)
532 return clib_error_return (0, "no HQoS threads available");
534 cpu = dm->hqos_cpu_first_index + next_hqos_cpu;
537 if (next_hqos_cpu == dm->hqos_cpu_count)
540 devconf->hqos.hqos_thread_valid = 1;
541 devconf->hqos.hqos_thread = cpu;
544 dpdk_device_and_queue_t *dq;
545 vec_add2 (dm->devices_by_hqos_cpu[cpu], dq, 1);
546 dq->device = xd->device_index;
550 /* count the number of descriptors used for this device */
551 nb_desc += xd->nb_rx_desc + xd->nb_tx_desc * xd->tx_q_used;
553 error = ethernet_register_interface
554 (dm->vnet_main, dpdk_device_class.index, xd->device_index,
555 /* ethernet address */ addr,
556 &xd->hw_if_index, dpdk_flag_change);
561 * Ensure default mtu is not > the mtu read from the hardware.
562 * Otherwise rte_eth_dev_configure() will fail and the port will
564 * Calculate max_frame_size and mtu supported by NIC
566 if (ETHERNET_MAX_PACKET_BYTES > dev_info.max_rx_pktlen)
569 * This device does not support the platforms's max frame
570 * size. Use it's advertised mru instead.
572 max_rx_frame = dev_info.max_rx_pktlen;
573 mtu = dev_info.max_rx_pktlen - sizeof (ethernet_header_t);
577 /* VPP treats MTU and max_rx_pktlen both equal to
578 * ETHERNET_MAX_PACKET_BYTES, if dev_info.max_rx_pktlen >=
579 * ETHERNET_MAX_PACKET_BYTES + sizeof(ethernet_header_t)
581 if (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
582 sizeof (ethernet_header_t)))
584 mtu = ETHERNET_MAX_PACKET_BYTES;
585 max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
588 * Some platforms do not account for Ethernet FCS (4 bytes) in
589 * MTU calculations. To interop with them increase mru but only
590 * if the device's settings can support it.
592 if (xd->port_conf.rxmode.hw_strip_crc &&
593 (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
594 sizeof (ethernet_header_t) +
602 max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
603 mtu = ETHERNET_MAX_PACKET_BYTES - sizeof (ethernet_header_t);
605 if (xd->port_conf.rxmode.hw_strip_crc &&
606 (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES + 4)))
612 /*Set port rxmode config */
613 xd->port_conf.rxmode.max_rx_pkt_len = max_rx_frame;
615 sw = vnet_get_hw_sw_interface (dm->vnet_main, xd->hw_if_index);
616 xd->sw_if_index = sw->sw_if_index;
617 vnet_hw_interface_set_input_node (dm->vnet_main, xd->hw_if_index,
618 dpdk_input_node.index);
620 if (devconf->workers)
625 clib_bitmap_foreach (i, devconf->workers, ({
626 vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q++,
627 vdm->first_worker_thread_index + i);
632 for (q = 0; q < xd->rx_q_used; q++)
634 vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q, /* any */
638 /*Get vnet hardware interface */
639 hi = vnet_get_hw_interface (dm->vnet_main, xd->hw_if_index);
641 /*Override default max_packet_bytes and max_supported_bytes set in
642 * ethernet_register_interface() above*/
645 hi->max_packet_bytes = mtu;
646 hi->max_supported_packet_bytes = max_rx_frame;
649 if (dm->conf->no_tx_checksum_offload == 0)
650 if (xd->flags & DPDK_DEVICE_FLAG_TX_OFFLOAD)
651 hi->flags |= VNET_HW_INTERFACE_FLAG_SUPPORTS_TX_L4_CKSUM_OFFLOAD;
653 dpdk_device_setup (xd);
655 if (vec_len (xd->errors))
656 dpdk_log_err ("setup failed for device %U. Errors:\n %U",
657 format_dpdk_device_name, i,
658 format_dpdk_device_errors, xd);
660 if (devconf->hqos_enabled)
663 rv = dpdk_port_setup_hqos (xd, &devconf->hqos);
669 * For cisco VIC vNIC, set default to VLAN strip enabled, unless
670 * specified otherwise in the startup config.
671 * For other NICs default to VLAN strip disabled, unless specified
672 * otherwis in the startup config.
674 if (xd->pmd == VNET_DPDK_PMD_ENIC)
676 if (devconf->vlan_strip_offload != DPDK_DEVICE_VLAN_STRIP_OFF)
677 vlan_strip = 1; /* remove vlan tag from VIC port by default */
679 dpdk_log_warn ("VLAN strip disabled for interface\n");
681 else if (devconf->vlan_strip_offload == DPDK_DEVICE_VLAN_STRIP_ON)
687 vlan_off = rte_eth_dev_get_vlan_offload (xd->device_index);
688 vlan_off |= ETH_VLAN_STRIP_OFFLOAD;
689 xd->port_conf.rxmode.hw_vlan_strip = vlan_off;
690 if (rte_eth_dev_set_vlan_offload (xd->device_index, vlan_off) == 0)
691 dpdk_log_info ("VLAN strip enabled for interface\n");
693 dpdk_log_warn ("VLAN strip cannot be supported by interface\n");
697 hi->max_l3_packet_bytes[VLIB_RX] = hi->max_l3_packet_bytes[VLIB_TX] =
698 xd->port_conf.rxmode.max_rx_pkt_len - sizeof (ethernet_header_t);
700 clib_warning ("hi NULL");
702 if (dm->conf->no_multi_seg)
703 mtu = mtu > ETHER_MAX_LEN ? ETHER_MAX_LEN : mtu;
705 rte_eth_dev_set_mtu (xd->device_index, mtu);
708 if (nb_desc > dm->conf->num_mbufs)
709 dpdk_log_err ("%d mbufs allocated but total rx/tx ring size is %d\n",
710 dm->conf->num_mbufs, nb_desc);
716 dpdk_bind_devices_to_uio (dpdk_config_main_t * conf)
720 int num_whitelisted = vec_len (conf->dev_confs);
721 vlib_pci_device_info_t *d = 0;
722 vlib_pci_addr_t *addr = 0, *addrs;
724 addrs = vlib_pci_get_all_dev_addrs ();
726 vec_foreach (addr, addrs)
728 dpdk_device_config_t * devconf = 0;
729 vec_reset_length (pci_addr);
730 pci_addr = format (pci_addr, "%U%c", format_vlib_pci_addr, addr, 0);
733 vlib_pci_free_device_info (d);
736 d = vlib_pci_get_device_info (addr, &error);
739 clib_error_report (error);
743 if (d->device_class != PCI_CLASS_NETWORK_ETHERNET && d->device_class != PCI_CLASS_PROCESSOR_CO)
748 uword * p = hash_get (conf->device_config_index_by_pci_addr, addr->as_u32);
753 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
757 if (d->vendor_id == 0x1af4 &&
758 (d->device_id == VIRTIO_PCI_LEGACY_DEVICEID_NET ||
759 d->device_id == VIRTIO_PCI_MODERN_DEVICEID_NET))
762 else if (d->vendor_id == 0x15ad && d->device_id == 0x07b0)
764 /* all Intel network devices */
765 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_NETWORK_ETHERNET)
767 /* all Intel QAT devices VFs */
768 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_PROCESSOR_CO &&
769 (d->device_id == 0x0443 || d->device_id == 0x37c9 || d->device_id == 0x19e3))
772 else if (d->vendor_id == 0x1137 && d->device_id == 0x0043)
775 else if (d->vendor_id == 0x1425 && (d->device_id & 0xe000) == 0x4000)
777 /* Amazen Elastic Network Adapter */
778 else if (d->vendor_id == 0x1d0f && d->device_id >= 0xec20 && d->device_id <= 0xec21)
780 /* Cavium Network Adapter */
781 else if (d->vendor_id == 0x177d && d->device_id == 0x9712)
784 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1013 && d->device_id <= 0x101a)
790 dpdk_log_warn ("Unsupported PCI device 0x%04x:0x%04x found "
791 "at PCI address %s\n", (u16) d->vendor_id, (u16) d->device_id,
796 error = vlib_pci_bind_to_uio (addr, (char *) conf->uio_driver_name);
802 pool_get (conf->dev_confs, devconf);
803 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
804 devconf - conf->dev_confs);
805 devconf->pci_addr.as_u32 = addr->as_u32;
807 devconf->is_blacklisted = 1;
808 clib_error_report (error);
813 vlib_pci_free_device_info (d);
816 static clib_error_t *
817 dpdk_device_config (dpdk_config_main_t * conf, vlib_pci_addr_t pci_addr,
818 unformat_input_t * input, u8 is_default)
820 clib_error_t *error = 0;
822 dpdk_device_config_t *devconf;
823 unformat_input_t sub_input;
827 devconf = &conf->default_devconf;
831 p = hash_get (conf->device_config_index_by_pci_addr, pci_addr.as_u32);
835 pool_get (conf->dev_confs, devconf);
836 hash_set (conf->device_config_index_by_pci_addr, pci_addr.as_u32,
837 devconf - conf->dev_confs);
840 return clib_error_return (0,
841 "duplicate configuration for PCI address %U",
842 format_vlib_pci_addr, &pci_addr);
845 devconf->pci_addr.as_u32 = pci_addr.as_u32;
846 devconf->hqos_enabled = 0;
847 dpdk_device_config_hqos_default (&devconf->hqos);
852 unformat_skip_white_space (input);
853 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
855 if (unformat (input, "num-rx-queues %u", &devconf->num_rx_queues))
857 else if (unformat (input, "num-tx-queues %u", &devconf->num_tx_queues))
859 else if (unformat (input, "num-rx-desc %u", &devconf->num_rx_desc))
861 else if (unformat (input, "num-tx-desc %u", &devconf->num_tx_desc))
863 else if (unformat (input, "workers %U", unformat_bitmap_list,
868 (input, "rss %U", unformat_vlib_cli_sub_input, &sub_input))
870 error = unformat_rss_fn (&sub_input, &devconf->rss_fn);
874 else if (unformat (input, "vlan-strip-offload off"))
875 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_OFF;
876 else if (unformat (input, "vlan-strip-offload on"))
877 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_ON;
880 (input, "hqos %U", unformat_vlib_cli_sub_input, &sub_input))
882 devconf->hqos_enabled = 1;
883 error = unformat_hqos (&sub_input, &devconf->hqos);
887 else if (unformat (input, "hqos"))
889 devconf->hqos_enabled = 1;
893 error = clib_error_return (0, "unknown input `%U'",
894 format_unformat_error, input);
902 if (devconf->workers && devconf->num_rx_queues == 0)
903 devconf->num_rx_queues = clib_bitmap_count_set_bits (devconf->workers);
904 else if (devconf->workers &&
905 clib_bitmap_count_set_bits (devconf->workers) !=
906 devconf->num_rx_queues)
908 clib_error_return (0,
909 "%U: number of worker threadds must be "
910 "equal to number of rx queues", format_vlib_pci_addr,
916 static clib_error_t *
917 dpdk_log_read_ready (clib_file_t * uf)
919 unformat_input_t input;
926 uword len = vec_len (s);
927 vec_resize (s, len + n_try);
929 n = read (uf->file_descriptor, s + len, n_try);
930 if (n < 0 && errno != EAGAIN)
931 return clib_error_return_unix (0, "read");
932 _vec_len (s) = len + (n < 0 ? 0 : n);
935 unformat_init_vector (&input, s);
937 while (unformat_user (&input, unformat_line, &line))
939 dpdk_log_notice ("%v", line);
943 unformat_free (&input);
947 static clib_error_t *
948 dpdk_config (vlib_main_t * vm, unformat_input_t * input)
950 clib_error_t *error = 0;
951 dpdk_main_t *dm = &dpdk_main;
952 dpdk_config_main_t *conf = &dpdk_config_main;
953 vlib_thread_main_t *tm = vlib_get_thread_main ();
954 dpdk_device_config_t *devconf;
955 vlib_pci_addr_t pci_addr;
956 unformat_input_t sub_input;
959 u8 *rte_cmd = 0, *ethname = 0;
962 int num_whitelisted = 0;
968 u8 *huge_dir_path = 0;
971 format (0, "%s/hugepages%c", vlib_unix_get_runtime_dir (), 0);
973 conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
974 log_level = RTE_LOG_NOTICE;
976 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
979 if (unformat (input, "no-hugetlb"))
981 vec_add1 (conf->eal_init_args, (u8 *) "no-huge");
985 else if (unformat (input, "enable-tcp-udp-checksum"))
986 conf->enable_tcp_udp_checksum = 1;
988 else if (unformat (input, "no-tx-checksum-offload"))
989 conf->no_tx_checksum_offload = 1;
991 else if (unformat (input, "decimal-interface-names"))
992 conf->interface_name_format_decimal = 1;
994 else if (unformat (input, "log-level %U", unformat_dpdk_log_level, &x))
997 else if (unformat (input, "no-multi-seg"))
998 conf->no_multi_seg = 1;
1000 else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input,
1004 dpdk_device_config (conf, (vlib_pci_addr_t) (u32) ~ 1, &sub_input,
1012 (input, "dev %U %U", unformat_vlib_pci_addr, &pci_addr,
1013 unformat_vlib_cli_sub_input, &sub_input))
1015 error = dpdk_device_config (conf, pci_addr, &sub_input, 0);
1022 else if (unformat (input, "dev %U", unformat_vlib_pci_addr, &pci_addr))
1024 error = dpdk_device_config (conf, pci_addr, 0, 0);
1031 else if (unformat (input, "num-mbufs %d", &conf->num_mbufs))
1033 else if (unformat (input, "uio-driver %s", &conf->uio_driver_name))
1035 else if (unformat (input, "socket-mem %s", &socket_mem))
1037 else if (unformat (input, "no-pci"))
1040 tmp = format (0, "--no-pci%c", 0);
1041 vec_add1 (conf->eal_init_args, tmp);
1043 else if (unformat (input, "poll-sleep %d", &dm->poll_sleep_usec))
1047 else if (unformat(input, #a)) \
1049 tmp = format (0, "--%s%c", #a, 0); \
1050 vec_add1 (conf->eal_init_args, tmp); \
1052 foreach_eal_double_hyphen_predicate_arg
1055 else if (unformat(input, #a " %s", &s)) \
1057 if (!strncmp(#a, "huge-dir", 8)) \
1059 else if (!strncmp(#a, "file-prefix", 11)) \
1061 tmp = format (0, "--%s%c", #a, 0); \
1062 vec_add1 (conf->eal_init_args, tmp); \
1064 if (!strncmp(#a, "vdev", 4)) \
1065 if (strstr((char*)s, "af_packet")) \
1066 clib_warning ("af_packet obsoleted. Use CLI 'create host-interface'."); \
1067 vec_add1 (conf->eal_init_args, s); \
1069 foreach_eal_double_hyphen_arg
1072 else if (unformat(input, #a " %s", &s)) \
1074 tmp = format (0, "-%s%c", #b, 0); \
1075 vec_add1 (conf->eal_init_args, tmp); \
1077 vec_add1 (conf->eal_init_args, s); \
1079 foreach_eal_single_hyphen_arg
1082 else if (unformat(input, #a " %s", &s)) \
1084 tmp = format (0, "-%s%c", #b, 0); \
1085 vec_add1 (conf->eal_init_args, tmp); \
1087 vec_add1 (conf->eal_init_args, s); \
1088 conf->a##_set_manually = 1; \
1090 foreach_eal_single_hyphen_mandatory_arg
1092 else if (unformat (input, "default"))
1095 else if (unformat_skip_white_space (input))
1099 error = clib_error_return (0, "unknown input `%U'",
1100 format_unformat_error, input);
1105 if (!conf->uio_driver_name)
1106 conf->uio_driver_name = format (0, "auto%c", 0);
1109 * Use 1G huge pages if available.
1111 if (!no_huge && !huge_dir)
1113 u32 x, *mem_by_socket = 0;
1117 umount ((char *) huge_dir_path);
1119 /* Process "socket-mem" parameter value */
1120 if (vec_len (socket_mem))
1122 unformat_input_t in;
1123 unformat_init_vector (&in, socket_mem);
1124 while (unformat_check_input (&in) != UNFORMAT_END_OF_INPUT)
1126 if (unformat (&in, "%u,", &x))
1128 else if (unformat (&in, "%u", &x))
1130 else if (unformat (&in, ","))
1135 vec_add1 (mem_by_socket, x);
1137 /* Note: unformat_free vec_frees(in.buffer), aka socket_mem... */
1138 unformat_free (&in);
1144 clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
1146 vec_validate(mem_by_socket, c);
1147 mem_by_socket[c] = 64; /* default per-socket mem */
1154 clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
1158 vec_validate(mem_by_socket, c);
1160 e = clib_sysfs_prealloc_hugepages(c, 2 << 10, mem_by_socket[c] / 2);
1162 clib_error_report (e);
1166 if (mem_by_socket == 0)
1168 error = clib_error_return (0, "mem_by_socket NULL");
1171 _vec_len (mem_by_socket) = c + 1;
1173 /* regenerate socket_mem string */
1174 vec_foreach_index (x, mem_by_socket)
1175 socket_mem = format (socket_mem, "%s%u",
1176 socket_mem ? "," : "", mem_by_socket[x]);
1177 socket_mem = format (socket_mem, "%c", 0);
1179 vec_free (mem_by_socket);
1181 error = vlib_unix_recursive_mkdir ((char *) huge_dir_path);
1187 rv = mount ("none", (char *) huge_dir_path, "hugetlbfs", 0, NULL);
1191 error = clib_error_return (0, "mount failed %d", errno);
1195 tmp = format (0, "--huge-dir%c", 0);
1196 vec_add1 (conf->eal_init_args, tmp);
1197 tmp = format (0, "%s%c", huge_dir_path, 0);
1198 vec_add1 (conf->eal_init_args, tmp);
1201 tmp = format (0, "--file-prefix%c", 0);
1202 vec_add1 (conf->eal_init_args, tmp);
1203 tmp = format (0, "vpp%c", 0);
1204 vec_add1 (conf->eal_init_args, tmp);
1214 /* I'll bet that -c and -n must be the first and second args... */
1215 if (!conf->coremask_set_manually)
1217 vlib_thread_registration_t *tr;
1218 uword *coremask = 0;
1221 /* main thread core */
1222 coremask = clib_bitmap_set (coremask, tm->main_lcore, 1);
1224 for (i = 0; i < vec_len (tm->registrations); i++)
1226 tr = tm->registrations[i];
1227 coremask = clib_bitmap_or (coremask, tr->coremask);
1230 vec_insert (conf->eal_init_args, 2, 1);
1231 conf->eal_init_args[1] = (u8 *) "-c";
1232 tmp = format (0, "%U%c", format_bitmap_hex, coremask, 0);
1233 conf->eal_init_args[2] = tmp;
1234 clib_bitmap_free (coremask);
1237 if (!conf->nchannels_set_manually)
1239 vec_insert (conf->eal_init_args, 2, 3);
1240 conf->eal_init_args[3] = (u8 *) "-n";
1241 tmp = format (0, "%d", conf->nchannels);
1242 conf->eal_init_args[4] = tmp;
1245 if (no_pci == 0 && geteuid () == 0)
1246 dpdk_bind_devices_to_uio (conf);
1249 if (devconf->x == 0 && conf->default_devconf.x > 0) \
1250 devconf->x = conf->default_devconf.x ;
1253 pool_foreach (devconf, conf->dev_confs, ({
1255 /* default per-device config items */
1256 foreach_dpdk_device_config_item
1258 /* add DPDK EAL whitelist/blacklist entry */
1259 if (num_whitelisted > 0 && devconf->is_blacklisted == 0)
1261 tmp = format (0, "-w%c", 0);
1262 vec_add1 (conf->eal_init_args, tmp);
1263 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1264 vec_add1 (conf->eal_init_args, tmp);
1266 else if (num_whitelisted == 0 && devconf->is_blacklisted != 0)
1268 tmp = format (0, "-b%c", 0);
1269 vec_add1 (conf->eal_init_args, tmp);
1270 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1271 vec_add1 (conf->eal_init_args, tmp);
1278 /* set master-lcore */
1279 tmp = format (0, "--master-lcore%c", 0);
1280 vec_add1 (conf->eal_init_args, tmp);
1281 tmp = format (0, "%u%c", tm->main_lcore, 0);
1282 vec_add1 (conf->eal_init_args, tmp);
1284 /* set socket-mem */
1285 tmp = format (0, "--socket-mem%c", 0);
1286 vec_add1 (conf->eal_init_args, tmp);
1287 tmp = format (0, "%s%c", socket_mem, 0);
1288 vec_add1 (conf->eal_init_args, tmp);
1290 /* NULL terminate the "argv" vector, in case of stupidity */
1291 vec_add1 (conf->eal_init_args, 0);
1292 _vec_len (conf->eal_init_args) -= 1;
1294 /* Set up DPDK eal and packet mbuf pool early. */
1296 rte_log_set_global_level (log_level);
1297 int log_fds[2] = { 0 };
1298 if (pipe (log_fds) == 0)
1300 FILE *f = fdopen (log_fds[1], "a");
1301 if (f && rte_openlog_stream (f) == 0)
1303 clib_file_t t = { 0 };
1304 t.read_function = dpdk_log_read_ready;
1305 t.file_descriptor = log_fds[0];
1306 t.description = format (0, "DPDK logging pipe");
1307 clib_file_add (&file_main, &t);
1311 vm = vlib_get_main ();
1313 /* make copy of args as rte_eal_init tends to mess up with arg array */
1314 for (i = 1; i < vec_len (conf->eal_init_args); i++)
1315 conf->eal_init_args_str = format (conf->eal_init_args_str, "%s ",
1316 conf->eal_init_args[i]);
1318 dpdk_log_warn ("EAL init args: %s", conf->eal_init_args_str);
1319 ret = rte_eal_init (vec_len (conf->eal_init_args),
1320 (char **) conf->eal_init_args);
1322 /* lazy umount hugepages */
1323 umount2 ((char *) huge_dir_path, MNT_DETACH);
1324 rmdir ((char *) huge_dir_path);
1325 vec_free (huge_dir_path);
1328 return clib_error_return (0, "rte_eal_init returned %d", ret);
1330 /* set custom ring memory allocator */
1332 struct rte_mempool_ops *ops = NULL;
1334 ops = get_ops_by_name ("ring_sp_sc");
1335 ops->alloc = dpdk_ring_alloc;
1337 ops = get_ops_by_name ("ring_mp_sc");
1338 ops->alloc = dpdk_ring_alloc;
1340 ops = get_ops_by_name ("ring_sp_mc");
1341 ops->alloc = dpdk_ring_alloc;
1343 ops = get_ops_by_name ("ring_mp_mc");
1344 ops->alloc = dpdk_ring_alloc;
1347 /* main thread 1st */
1348 error = dpdk_buffer_pool_create (vm, conf->num_mbufs, rte_socket_id ());
1352 for (i = 0; i < RTE_MAX_LCORE; i++)
1354 error = dpdk_buffer_pool_create (vm, conf->num_mbufs,
1355 rte_lcore_to_socket_id (i));
1364 VLIB_CONFIG_FUNCTION (dpdk_config, "dpdk");
1367 dpdk_update_link_state (dpdk_device_t * xd, f64 now)
1369 vnet_main_t *vnm = vnet_get_main ();
1370 struct rte_eth_link prev_link = xd->link;
1372 u8 hw_flags_chg = 0;
1374 /* only update link state for PMD interfaces */
1375 if ((xd->flags & DPDK_DEVICE_FLAG_PMD) == 0)
1378 xd->time_last_link_update = now ? now : xd->time_last_link_update;
1379 memset (&xd->link, 0, sizeof (xd->link));
1380 rte_eth_link_get_nowait (xd->device_index, &xd->link);
1382 if (LINK_STATE_ELOGS)
1384 vlib_main_t *vm = vlib_get_main ();
1385 ELOG_TYPE_DECLARE (e) =
1388 "update-link-state: sw_if_index %d, admin_up %d,"
1389 "old link_state %d new link_state %d",.format_args = "i4i1i1i1",};
1398 ed = ELOG_DATA (&vm->elog_main, e);
1399 ed->sw_if_index = xd->sw_if_index;
1400 ed->admin_up = (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) != 0;
1401 ed->old_link_state = (u8)
1402 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index);
1403 ed->new_link_state = (u8) xd->link.link_status;
1406 if ((xd->flags & (DPDK_DEVICE_FLAG_ADMIN_UP | DPDK_DEVICE_FLAG_BOND_SLAVE))
1407 && ((xd->link.link_status != 0) ^
1408 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index)))
1411 hw_flags |= (xd->link.link_status ? VNET_HW_INTERFACE_FLAG_LINK_UP : 0);
1414 if (hw_flags_chg || (xd->link.link_duplex != prev_link.link_duplex))
1417 switch (xd->link.link_duplex)
1419 case ETH_LINK_HALF_DUPLEX:
1420 hw_flags |= VNET_HW_INTERFACE_FLAG_HALF_DUPLEX;
1422 case ETH_LINK_FULL_DUPLEX:
1423 hw_flags |= VNET_HW_INTERFACE_FLAG_FULL_DUPLEX;
1429 if (hw_flags_chg || (xd->link.link_speed != prev_link.link_speed))
1432 switch (xd->link.link_speed)
1434 case ETH_SPEED_NUM_10M:
1435 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10M;
1437 case ETH_SPEED_NUM_100M:
1438 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_100M;
1440 case ETH_SPEED_NUM_1G:
1441 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_1G;
1443 case ETH_SPEED_NUM_2_5G:
1444 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_2_5G;
1446 case ETH_SPEED_NUM_5G:
1447 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_5G;
1449 case ETH_SPEED_NUM_10G:
1450 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10G;
1452 case ETH_SPEED_NUM_20G:
1453 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_20G;
1455 case ETH_SPEED_NUM_25G:
1456 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_25G;
1458 case ETH_SPEED_NUM_40G:
1459 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_40G;
1461 case ETH_SPEED_NUM_50G:
1462 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_50G;
1464 case ETH_SPEED_NUM_56G:
1465 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_56G;
1467 case ETH_SPEED_NUM_100G:
1468 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_100G;
1473 dpdk_log_warn ("unknown link speed %d", xd->link.link_speed);
1479 if (LINK_STATE_ELOGS)
1481 vlib_main_t *vm = vlib_get_main ();
1483 ELOG_TYPE_DECLARE (e) =
1486 "update-link-state: sw_if_index %d, new flags %d",.format_args
1494 ed = ELOG_DATA (&vm->elog_main, e);
1495 ed->sw_if_index = xd->sw_if_index;
1496 ed->flags = hw_flags;
1498 vnet_hw_interface_set_flags (vnm, xd->hw_if_index, hw_flags);
1503 dpdk_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
1505 clib_error_t *error;
1506 vnet_main_t *vnm = vnet_get_main ();
1507 dpdk_main_t *dm = &dpdk_main;
1508 ethernet_main_t *em = ðernet_main;
1510 vlib_thread_main_t *tm = vlib_get_thread_main ();
1513 error = dpdk_lib_init (dm);
1516 clib_error_report (error);
1518 tm->worker_thread_release = 1;
1520 f64 now = vlib_time_now (vm);
1521 vec_foreach (xd, dm->devices)
1523 dpdk_update_link_state (xd, now);
1528 * Extra set up for bond interfaces:
1529 * 1. Setup MACs for bond interfaces and their slave links which was set
1530 * in dpdk_device_setup() but needs to be done again here to take
1532 * 2. Set up info and register slave link state change callback handling.
1533 * 3. Set up info for bond interface related CLI support.
1535 int nports = rte_eth_dev_count ();
1538 for (i = 0; i < nports; i++)
1540 xd = &dm->devices[i];
1541 ASSERT (i == xd->device_index);
1542 if (xd->pmd == VNET_DPDK_PMD_BOND)
1545 dpdk_portid_t slink[16];
1546 int nlink = rte_eth_bond_slaves_get (i, slink, 16);
1549 vnet_hw_interface_t *bhi;
1550 ethernet_interface_t *bei;
1553 /* Get MAC of 1st slave link */
1555 (slink[0], (struct ether_addr *) addr);
1557 /* Set MAC of bounded interface to that of 1st slave link */
1558 dpdk_log_info ("Set MAC for bond port %d BondEthernet%d",
1559 i, xd->bond_instance_num);
1560 rv = rte_eth_bond_mac_address_set
1561 (i, (struct ether_addr *) addr);
1563 dpdk_log_warn ("Set MAC addr failure rv=%d", rv);
1565 /* Populate MAC of bonded interface in VPP hw tables */
1566 bhi = vnet_get_hw_interface
1567 (vnm, dm->devices[i].hw_if_index);
1568 bei = pool_elt_at_index
1569 (em->interfaces, bhi->hw_instance);
1570 clib_memcpy (bhi->hw_address, addr, 6);
1571 clib_memcpy (bei->address, addr, 6);
1573 /* Init l3 packet size allowed on bonded interface */
1574 bhi->max_packet_bytes = ETHERNET_MAX_PACKET_BYTES;
1575 bhi->max_l3_packet_bytes[VLIB_RX] =
1576 bhi->max_l3_packet_bytes[VLIB_TX] =
1577 ETHERNET_MAX_PACKET_BYTES - sizeof (ethernet_header_t);
1579 { /* 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 ethernet_interface_t *sei;
1585 /* Add MAC to all slave links except the first one */
1588 dpdk_log_info ("Add MAC for slave port %d",
1590 rv = rte_eth_dev_mac_addr_add
1591 (slave, (struct ether_addr *) addr, 0);
1593 dpdk_log_warn ("Add MAC addr failure rv=%d",
1596 /* Setup slave link state change callback handling */
1597 rte_eth_dev_callback_register
1598 (slave, RTE_ETH_EVENT_INTR_LSC,
1599 dpdk_port_state_callback, NULL);
1600 dpdk_device_t *sxd = &dm->devices[slave];
1601 sxd->flags |= DPDK_DEVICE_FLAG_BOND_SLAVE;
1603 /* Set slaves bitmap for bonded interface */
1604 bhi->bond_info = clib_bitmap_set
1605 (bhi->bond_info, sdev->hw_if_index, 1);
1606 /* Set MACs and slave link flags on slave interface */
1607 shi = vnet_get_hw_interface (vnm, sdev->hw_if_index);
1608 ssi = vnet_get_sw_interface (vnm, sdev->sw_if_index);
1609 sei = pool_elt_at_index
1610 (em->interfaces, shi->hw_instance);
1611 shi->bond_info = VNET_HW_INTERFACE_BOND_INFO_SLAVE;
1612 ssi->flags |= VNET_SW_INTERFACE_FLAG_BOND_SLAVE;
1613 clib_memcpy (shi->hw_address, addr, 6);
1614 clib_memcpy (sei->address, addr, 6);
1615 /* Set l3 packet size allowed as the lowest of slave */
1616 if (bhi->max_l3_packet_bytes[VLIB_RX] >
1617 shi->max_l3_packet_bytes[VLIB_RX])
1618 bhi->max_l3_packet_bytes[VLIB_RX] =
1619 bhi->max_l3_packet_bytes[VLIB_TX] =
1620 shi->max_l3_packet_bytes[VLIB_RX];
1621 /* Set max packet size allowed as the lowest of slave */
1622 if (bhi->max_packet_bytes > shi->max_packet_bytes)
1623 bhi->max_packet_bytes = shi->max_packet_bytes;
1634 * check each time through the loop in case intervals are changed
1636 f64 min_wait = dm->link_state_poll_interval < dm->stat_poll_interval ?
1637 dm->link_state_poll_interval : dm->stat_poll_interval;
1639 vlib_process_wait_for_event_or_clock (vm, min_wait);
1641 if (dm->admin_up_down_in_progress)
1642 /* skip the poll if an admin up down is in progress (on any interface) */
1645 vec_foreach (xd, dm->devices)
1647 f64 now = vlib_time_now (vm);
1648 if ((now - xd->time_last_stats_update) >= dm->stat_poll_interval)
1649 dpdk_update_counters (xd, now);
1650 if ((now - xd->time_last_link_update) >= dm->link_state_poll_interval)
1651 dpdk_update_link_state (xd, now);
1660 VLIB_REGISTER_NODE (dpdk_process_node,static) = {
1661 .function = dpdk_process,
1662 .type = VLIB_NODE_TYPE_PROCESS,
1663 .name = "dpdk-process",
1664 .process_log2_n_stack_bytes = 17,
1668 static clib_error_t *
1669 dpdk_init (vlib_main_t * vm)
1671 dpdk_main_t *dm = &dpdk_main;
1672 clib_error_t *error = 0;
1673 vlib_thread_main_t *tm = vlib_get_thread_main ();
1675 /* verify that structs are cacheline aligned */
1676 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline0) == 0,
1677 "Cache line marker must be 1st element in dpdk_device_t");
1678 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline1) ==
1679 CLIB_CACHE_LINE_BYTES,
1680 "Data in cache line 0 is bigger than cache line size");
1681 STATIC_ASSERT (offsetof (frame_queue_trace_t, cacheline0) == 0,
1682 "Cache line marker must be 1st element in frame_queue_trace_t");
1685 dm->vnet_main = vnet_get_main ();
1686 dm->conf = &dpdk_config_main;
1688 dm->conf->nchannels = 4;
1689 dm->conf->num_mbufs = dm->conf->num_mbufs ? dm->conf->num_mbufs : NB_MBUF;
1690 vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet");
1692 vec_validate (dm->recycle, tm->n_thread_stacks - 1);
1694 /* Default vlib_buffer_t flags, DISABLES tcp/udp checksumming... */
1695 dm->buffer_flags_template =
1696 (VLIB_BUFFER_TOTAL_LENGTH_VALID | VLIB_BUFFER_EXT_HDR_VALID
1697 | VNET_BUFFER_F_L4_CHECKSUM_COMPUTED |
1698 VNET_BUFFER_F_L4_CHECKSUM_CORRECT | VNET_BUFFER_F_L2_HDR_OFFSET_VALID);
1700 dm->stat_poll_interval = DPDK_STATS_POLL_INTERVAL;
1701 dm->link_state_poll_interval = DPDK_LINK_POLL_INTERVAL;
1704 if ((error = vlib_call_init_function (vm, dpdk_cli_init)))
1707 dm->log_default = vlib_log_register_class ("dpdk", 0);
1712 VLIB_INIT_FUNCTION (dpdk_init);
1716 * fd.io coding-style-patch-verification: ON
1719 * eval: (c-set-style "gnu")