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/buffer.h>
26 #include <dpdk/device/dpdk.h>
27 #include <vlib/pci/pci.h>
28 #include <vlib/vmbus/vmbus.h>
36 #include <sys/mount.h>
40 #include <dpdk/device/dpdk_priv.h>
42 #define ETHER_MAX_LEN 1518 /**< Maximum frame len, including CRC. */
44 dpdk_main_t dpdk_main;
45 dpdk_config_main_t dpdk_config_main;
47 #define LINK_STATE_ELOGS 0
49 /* Port configuration, mildly modified Intel app values */
51 static dpdk_port_type_t
52 port_type_from_speed_capa (struct rte_eth_dev_info *dev_info)
55 if (dev_info->speed_capa & ETH_LINK_SPEED_100G)
56 return VNET_DPDK_PORT_TYPE_ETH_100G;
57 else if (dev_info->speed_capa & ETH_LINK_SPEED_56G)
58 return VNET_DPDK_PORT_TYPE_ETH_56G;
59 else if (dev_info->speed_capa & ETH_LINK_SPEED_50G)
60 return VNET_DPDK_PORT_TYPE_ETH_50G;
61 else if (dev_info->speed_capa & ETH_LINK_SPEED_40G)
62 return VNET_DPDK_PORT_TYPE_ETH_40G;
63 else if (dev_info->speed_capa & ETH_LINK_SPEED_25G)
64 return VNET_DPDK_PORT_TYPE_ETH_25G;
65 else if (dev_info->speed_capa & ETH_LINK_SPEED_20G)
66 return VNET_DPDK_PORT_TYPE_ETH_20G;
67 else if (dev_info->speed_capa & ETH_LINK_SPEED_10G)
68 return VNET_DPDK_PORT_TYPE_ETH_10G;
69 else if (dev_info->speed_capa & ETH_LINK_SPEED_5G)
70 return VNET_DPDK_PORT_TYPE_ETH_5G;
71 else if (dev_info->speed_capa & ETH_LINK_SPEED_2_5G)
72 return VNET_DPDK_PORT_TYPE_ETH_2_5G;
73 else if (dev_info->speed_capa & ETH_LINK_SPEED_1G)
74 return VNET_DPDK_PORT_TYPE_ETH_1G;
76 return VNET_DPDK_PORT_TYPE_UNKNOWN;
79 static dpdk_port_type_t
80 port_type_from_link_speed (u32 link_speed)
84 case ETH_SPEED_NUM_1G:
85 return VNET_DPDK_PORT_TYPE_ETH_1G;
86 case ETH_SPEED_NUM_2_5G:
87 return VNET_DPDK_PORT_TYPE_ETH_2_5G;
88 case ETH_SPEED_NUM_5G:
89 return VNET_DPDK_PORT_TYPE_ETH_5G;
90 case ETH_SPEED_NUM_10G:
91 return VNET_DPDK_PORT_TYPE_ETH_10G;
92 case ETH_SPEED_NUM_20G:
93 return VNET_DPDK_PORT_TYPE_ETH_20G;
94 case ETH_SPEED_NUM_25G:
95 return VNET_DPDK_PORT_TYPE_ETH_25G;
96 case ETH_SPEED_NUM_40G:
97 return VNET_DPDK_PORT_TYPE_ETH_40G;
98 case ETH_SPEED_NUM_50G:
99 return VNET_DPDK_PORT_TYPE_ETH_50G;
100 case ETH_SPEED_NUM_56G:
101 return VNET_DPDK_PORT_TYPE_ETH_56G;
102 case ETH_SPEED_NUM_100G:
103 return VNET_DPDK_PORT_TYPE_ETH_100G;
105 return VNET_DPDK_PORT_TYPE_UNKNOWN;
110 dpdk_flag_change (vnet_main_t * vnm, vnet_hw_interface_t * hi, u32 flags)
112 dpdk_main_t *dm = &dpdk_main;
113 dpdk_device_t *xd = vec_elt_at_index (dm->devices, hi->dev_instance);
116 if (ETHERNET_INTERFACE_FLAG_CONFIG_PROMISC (flags))
118 old = (xd->flags & DPDK_DEVICE_FLAG_PROMISC) != 0;
120 if (flags & ETHERNET_INTERFACE_FLAG_ACCEPT_ALL)
121 xd->flags |= DPDK_DEVICE_FLAG_PROMISC;
123 xd->flags &= ~DPDK_DEVICE_FLAG_PROMISC;
125 if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
127 if (xd->flags & DPDK_DEVICE_FLAG_PROMISC)
128 rte_eth_promiscuous_enable (xd->port_id);
130 rte_eth_promiscuous_disable (xd->port_id);
133 else if (ETHERNET_INTERFACE_FLAG_CONFIG_MTU (flags))
135 xd->port_conf.rxmode.max_rx_pkt_len = hi->max_packet_bytes;
136 dpdk_device_setup (xd);
142 dpdk_device_lock_init (dpdk_device_t * xd)
145 vec_validate (xd->lockp, xd->tx_q_used - 1);
146 for (q = 0; q < xd->tx_q_used; q++)
148 xd->lockp[q] = clib_mem_alloc_aligned (CLIB_CACHE_LINE_BYTES,
149 CLIB_CACHE_LINE_BYTES);
150 clib_memset ((void *) xd->lockp[q], 0, CLIB_CACHE_LINE_BYTES);
155 dpdk_port_crc_strip_enabled (dpdk_device_t * xd)
157 return !(xd->port_conf.rxmode.offloads & DEV_RX_OFFLOAD_KEEP_CRC);
160 static clib_error_t *
161 dpdk_lib_init (dpdk_main_t * dm)
164 u32 mtu, max_rx_frame;
167 vlib_main_t *vm = vlib_get_main ();
168 vlib_thread_main_t *tm = vlib_get_thread_main ();
169 vnet_device_main_t *vdm = &vnet_device_main;
170 vnet_sw_interface_t *sw;
171 vnet_hw_interface_t *hi;
173 vlib_pci_addr_t last_pci_addr;
174 u32 last_pci_addr_port = 0;
175 vlib_thread_registration_t *tr_hqos;
178 u32 next_hqos_cpu = 0;
179 u8 af_packet_instance_num = 0;
180 u8 bond_ether_instance_num = 0;
181 last_pci_addr.as_u32 = ~0;
183 dm->hqos_cpu_first_index = 0;
184 dm->hqos_cpu_count = 0;
186 /* find out which cpus will be used for I/O TX */
187 p_hqos = hash_get_mem (tm->thread_registrations_by_name, "hqos-threads");
188 tr_hqos = p_hqos ? (vlib_thread_registration_t *) p_hqos[0] : 0;
190 if (tr_hqos && tr_hqos->count > 0)
192 dm->hqos_cpu_first_index = tr_hqos->first_index;
193 dm->hqos_cpu_count = tr_hqos->count;
196 vec_validate_aligned (dm->devices_by_hqos_cpu, tm->n_vlib_mains - 1,
197 CLIB_CACHE_LINE_BYTES);
199 nports = rte_eth_dev_count_avail ();
203 dpdk_log_notice ("DPDK drivers found no ports...");
207 dpdk_log_notice ("DPDK drivers found %d ports...", nports);
209 if (dm->conf->enable_tcp_udp_checksum)
210 dm->buffer_flags_template &= ~(VNET_BUFFER_F_L4_CHECKSUM_CORRECT
211 | VNET_BUFFER_F_L4_CHECKSUM_COMPUTED);
213 /* vlib_buffer_t template */
214 vec_validate_aligned (dm->per_thread_data, tm->n_vlib_mains - 1,
215 CLIB_CACHE_LINE_BYTES);
216 for (i = 0; i < tm->n_vlib_mains; i++)
218 dpdk_per_thread_data_t *ptd = vec_elt_at_index (dm->per_thread_data, i);
219 clib_memset (&ptd->buffer_template, 0, sizeof (vlib_buffer_t));
220 ptd->buffer_template.flags = dm->buffer_flags_template;
221 vnet_buffer (&ptd->buffer_template)->sw_if_index[VLIB_TX] = (u32) ~ 0;
225 RTE_ETH_FOREACH_DEV(i)
229 struct rte_eth_dev_info dev_info;
230 struct rte_pci_device *pci_dev;
231 struct rte_eth_link l;
232 dpdk_device_config_t *devconf = 0;
233 vlib_pci_addr_t pci_addr;
236 if (!rte_eth_dev_is_valid_port(i))
239 rte_eth_link_get_nowait (i, &l);
240 rte_eth_dev_info_get (i, &dev_info);
242 if (dev_info.device == 0)
244 clib_warning ("DPDK bug: missing device info. Skipping %s device",
245 dev_info.driver_name);
249 pci_dev = dpdk_get_pci_device (&dev_info);
251 if (pci_dev) /* bonded interface has no pci info */
253 pci_addr.domain = pci_dev->addr.domain;
254 pci_addr.bus = pci_dev->addr.bus;
255 pci_addr.slot = pci_dev->addr.devid;
256 pci_addr.function = pci_dev->addr.function;
257 p = hash_get (dm->conf->device_config_index_by_pci_addr,
262 /* Create vnet interface */
263 vec_add2_aligned (dm->devices, xd, 1, CLIB_CACHE_LINE_BYTES);
264 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
265 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
266 xd->cpu_socket = (i8) rte_eth_dev_socket_id (i);
270 devconf = pool_elt_at_index (dm->conf->dev_confs, p[0]);
271 xd->name = devconf->name;
274 devconf = &dm->conf->default_devconf;
276 /* Handle interface naming for devices with multiple ports sharing same PCI ID */
279 struct rte_eth_dev_info di = { 0 };
280 struct rte_pci_device *next_pci_dev;
281 rte_eth_dev_info_get (i + 1, &di);
282 next_pci_dev = di.device ? RTE_DEV_TO_PCI (di.device) : 0;
283 if (pci_dev && next_pci_dev &&
284 pci_addr.as_u32 != last_pci_addr.as_u32 &&
285 memcmp (&pci_dev->addr, &next_pci_dev->addr,
286 sizeof (struct rte_pci_addr)) == 0)
288 xd->interface_name_suffix = format (0, "0");
289 last_pci_addr.as_u32 = pci_addr.as_u32;
290 last_pci_addr_port = i;
292 else if (pci_addr.as_u32 == last_pci_addr.as_u32)
294 xd->interface_name_suffix =
295 format (0, "%u", i - last_pci_addr_port);
299 last_pci_addr.as_u32 = ~0;
303 last_pci_addr.as_u32 = ~0;
305 clib_memcpy (&xd->tx_conf, &dev_info.default_txconf,
306 sizeof (struct rte_eth_txconf));
308 if (dev_info.rx_offload_capa & DEV_RX_OFFLOAD_IPV4_CKSUM)
310 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_IPV4_CKSUM;
311 xd->flags |= DPDK_DEVICE_FLAG_RX_IP4_CKSUM;
314 if (dm->conf->no_multi_seg)
316 xd->port_conf.txmode.offloads &= ~DEV_TX_OFFLOAD_MULTI_SEGS;
317 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_JUMBO_FRAME;
318 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_SCATTER;
322 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
323 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
324 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_SCATTER;
325 xd->flags |= DPDK_DEVICE_FLAG_MAYBE_MULTISEG;
328 xd->tx_q_used = clib_min (dev_info.max_tx_queues, tm->n_vlib_mains);
330 if (devconf->num_tx_queues > 0
331 && devconf->num_tx_queues < xd->tx_q_used)
332 xd->tx_q_used = clib_min (xd->tx_q_used, devconf->num_tx_queues);
334 if (devconf->num_rx_queues > 1
335 && dev_info.max_rx_queues >= devconf->num_rx_queues)
337 xd->rx_q_used = devconf->num_rx_queues;
338 xd->port_conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
339 if (devconf->rss_fn == 0)
340 xd->port_conf.rx_adv_conf.rss_conf.rss_hf =
341 ETH_RSS_IP | ETH_RSS_UDP | ETH_RSS_TCP;
344 u64 unsupported_bits;
345 xd->port_conf.rx_adv_conf.rss_conf.rss_hf = devconf->rss_fn;
346 unsupported_bits = xd->port_conf.rx_adv_conf.rss_conf.rss_hf;
347 unsupported_bits &= ~dev_info.flow_type_rss_offloads;
348 if (unsupported_bits)
349 dpdk_log_warn ("Unsupported RSS hash functions: %U",
350 format_dpdk_rss_hf_name, unsupported_bits);
352 xd->port_conf.rx_adv_conf.rss_conf.rss_hf &=
353 dev_info.flow_type_rss_offloads;
358 xd->flags |= DPDK_DEVICE_FLAG_PMD;
360 /* workaround for drivers not setting driver_name */
361 if ((!dev_info.driver_name) && (pci_dev))
362 dev_info.driver_name = pci_dev->driver->driver.name;
364 ASSERT (dev_info.driver_name);
370 #define _(s,f) else if (dev_info.driver_name && \
371 !strcmp(dev_info.driver_name, s)) \
372 xd->pmd = VNET_DPDK_PMD_##f;
378 xd->pmd = VNET_DPDK_PMD_UNKNOWN;
380 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
381 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
382 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
386 /* Drivers with valid speed_capa set */
387 case VNET_DPDK_PMD_E1000EM:
388 case VNET_DPDK_PMD_IGB:
389 case VNET_DPDK_PMD_IXGBE:
390 case VNET_DPDK_PMD_I40E:
391 xd->port_type = port_type_from_speed_capa (&dev_info);
392 xd->supported_flow_actions = VNET_FLOW_ACTION_MARK |
393 VNET_FLOW_ACTION_REDIRECT_TO_NODE |
394 VNET_FLOW_ACTION_BUFFER_ADVANCE |
395 VNET_FLOW_ACTION_COUNT | VNET_FLOW_ACTION_DROP;
397 if (dm->conf->no_tx_checksum_offload == 0)
399 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
400 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
402 DPDK_DEVICE_FLAG_TX_OFFLOAD |
403 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
408 case VNET_DPDK_PMD_CXGBE:
409 case VNET_DPDK_PMD_MLX4:
410 case VNET_DPDK_PMD_MLX5:
411 case VNET_DPDK_PMD_QEDE:
412 xd->port_type = port_type_from_speed_capa (&dev_info);
416 case VNET_DPDK_PMD_IGBVF:
417 case VNET_DPDK_PMD_IXGBEVF:
418 case VNET_DPDK_PMD_I40EVF:
419 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
422 case VNET_DPDK_PMD_THUNDERX:
423 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
425 if (dm->conf->no_tx_checksum_offload == 0)
427 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
428 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
429 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD;
433 case VNET_DPDK_PMD_ENA:
434 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
435 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_SCATTER;
438 case VNET_DPDK_PMD_DPAA2:
439 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
443 case VNET_DPDK_PMD_ENIC:
444 xd->port_type = port_type_from_link_speed (l.link_speed);
447 /* Intel Red Rock Canyon */
448 case VNET_DPDK_PMD_FM10K:
449 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_SWITCH;
453 case VNET_DPDK_PMD_VIRTIO:
454 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
455 xd->nb_rx_desc = DPDK_NB_RX_DESC_VIRTIO;
456 xd->nb_tx_desc = DPDK_NB_TX_DESC_VIRTIO;
460 case VNET_DPDK_PMD_VMXNET3:
461 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
462 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
465 case VNET_DPDK_PMD_AF_PACKET:
466 xd->port_type = VNET_DPDK_PORT_TYPE_AF_PACKET;
467 xd->af_packet_instance_num = af_packet_instance_num++;
470 case VNET_DPDK_PMD_BOND:
471 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_BOND;
472 xd->bond_instance_num = bond_ether_instance_num++;
475 case VNET_DPDK_PMD_VIRTIO_USER:
476 xd->port_type = VNET_DPDK_PORT_TYPE_VIRTIO_USER;
479 case VNET_DPDK_PMD_VHOST_ETHER:
480 xd->port_type = VNET_DPDK_PORT_TYPE_VHOST_ETHER;
483 case VNET_DPDK_PMD_LIOVF_ETHER:
484 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
487 case VNET_DPDK_PMD_FAILSAFE:
488 xd->port_type = VNET_DPDK_PORT_TYPE_FAILSAFE;
489 xd->port_conf.intr_conf.lsc = 1;
492 case VNET_DPDK_PMD_NETVSC:
493 xd->port_type = port_type_from_link_speed (l.link_speed);
497 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
500 if (devconf->num_rx_desc)
501 xd->nb_rx_desc = devconf->num_rx_desc;
503 if (devconf->num_tx_desc)
504 xd->nb_tx_desc = devconf->num_tx_desc;
507 if (xd->pmd == VNET_DPDK_PMD_AF_PACKET)
509 f64 now = vlib_time_now (vm);
511 rnd = (u32) (now * 1e6);
512 rnd = random_u32 (&rnd);
513 clib_memcpy (addr + 2, &rnd, sizeof (rnd));
518 rte_eth_macaddr_get (i, (struct ether_addr *) addr);
520 if (xd->tx_q_used < tm->n_vlib_mains)
521 dpdk_device_lock_init (xd);
524 xd->device_index = xd - dm->devices;
525 xd->per_interface_next_index = ~0;
527 /* assign interface to input thread */
530 if (devconf->hqos_enabled)
532 xd->flags |= DPDK_DEVICE_FLAG_HQOS;
535 if (devconf->hqos.hqos_thread_valid)
537 if (devconf->hqos.hqos_thread >= dm->hqos_cpu_count)
538 return clib_error_return (0, "invalid HQoS thread index");
540 cpu = dm->hqos_cpu_first_index + devconf->hqos.hqos_thread;
544 if (dm->hqos_cpu_count == 0)
545 return clib_error_return (0, "no HQoS threads available");
547 cpu = dm->hqos_cpu_first_index + next_hqos_cpu;
550 if (next_hqos_cpu == dm->hqos_cpu_count)
553 devconf->hqos.hqos_thread_valid = 1;
554 devconf->hqos.hqos_thread = cpu;
557 dpdk_device_and_queue_t *dq;
558 vec_add2 (dm->devices_by_hqos_cpu[cpu], dq, 1);
559 dq->device = xd->device_index;
563 error = ethernet_register_interface
564 (dm->vnet_main, dpdk_device_class.index, xd->device_index,
565 /* ethernet address */ addr,
566 &xd->hw_if_index, dpdk_flag_change);
571 * Ensure default mtu is not > the mtu read from the hardware.
572 * Otherwise rte_eth_dev_configure() will fail and the port will
574 * Calculate max_frame_size and mtu supported by NIC
576 if (ETHERNET_MAX_PACKET_BYTES > dev_info.max_rx_pktlen)
579 * This device does not support the platforms's max frame
580 * size. Use it's advertised mru instead.
582 max_rx_frame = dev_info.max_rx_pktlen;
583 mtu = dev_info.max_rx_pktlen - sizeof (ethernet_header_t);
587 /* VPP treats MTU and max_rx_pktlen both equal to
588 * ETHERNET_MAX_PACKET_BYTES, if dev_info.max_rx_pktlen >=
589 * ETHERNET_MAX_PACKET_BYTES + sizeof(ethernet_header_t)
591 if (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
592 sizeof (ethernet_header_t)))
594 mtu = ETHERNET_MAX_PACKET_BYTES;
595 max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
598 * Some platforms do not account for Ethernet FCS (4 bytes) in
599 * MTU calculations. To interop with them increase mru but only
600 * if the device's settings can support it.
602 if (dpdk_port_crc_strip_enabled (xd) &&
603 (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
604 sizeof (ethernet_header_t) +
612 max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
613 mtu = ETHERNET_MAX_PACKET_BYTES - sizeof (ethernet_header_t);
615 if (dpdk_port_crc_strip_enabled (xd) &&
616 (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES + 4)))
623 if (xd->pmd == VNET_DPDK_PMD_FAILSAFE)
625 /* failsafe device numerables are reported with active device only,
626 * need to query the mtu for current device setup to overwrite
630 if (!rte_eth_dev_get_mtu (i, &dev_mtu))
633 max_rx_frame = mtu + sizeof (ethernet_header_t);
635 if (dpdk_port_crc_strip_enabled (xd))
642 /*Set port rxmode config */
643 xd->port_conf.rxmode.max_rx_pkt_len = max_rx_frame;
645 sw = vnet_get_hw_sw_interface (dm->vnet_main, xd->hw_if_index);
646 xd->sw_if_index = sw->sw_if_index;
647 vnet_hw_interface_set_input_node (dm->vnet_main, xd->hw_if_index,
648 dpdk_input_node.index);
650 if (devconf->workers)
654 clib_bitmap_foreach (i, devconf->workers, ({
655 vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q++,
656 vdm->first_worker_thread_index + i);
660 for (q = 0; q < xd->rx_q_used; q++)
662 vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q, /* any */
666 /*Get vnet hardware interface */
667 hi = vnet_get_hw_interface (dm->vnet_main, xd->hw_if_index);
669 /*Override default max_packet_bytes and max_supported_bytes set in
670 * ethernet_register_interface() above*/
673 hi->max_packet_bytes = mtu;
674 hi->max_supported_packet_bytes = max_rx_frame;
677 if (dm->conf->no_tx_checksum_offload == 0)
678 if (xd->flags & DPDK_DEVICE_FLAG_TX_OFFLOAD && hi != NULL)
679 hi->flags |= VNET_HW_INTERFACE_FLAG_SUPPORTS_TX_L4_CKSUM_OFFLOAD;
681 dpdk_device_setup (xd);
683 if (vec_len (xd->errors))
684 dpdk_log_err ("setup failed for device %U. Errors:\n %U",
685 format_dpdk_device_name, i,
686 format_dpdk_device_errors, xd);
688 if (devconf->hqos_enabled)
691 rv = dpdk_port_setup_hqos (xd, &devconf->hqos);
697 * For cisco VIC vNIC, set default to VLAN strip enabled, unless
698 * specified otherwise in the startup config.
699 * For other NICs default to VLAN strip disabled, unless specified
700 * otherwise in the startup config.
702 if (xd->pmd == VNET_DPDK_PMD_ENIC)
704 if (devconf->vlan_strip_offload != DPDK_DEVICE_VLAN_STRIP_OFF)
705 vlan_strip = 1; /* remove vlan tag from VIC port by default */
707 dpdk_log_warn ("VLAN strip disabled for interface\n");
709 else if (devconf->vlan_strip_offload == DPDK_DEVICE_VLAN_STRIP_ON)
715 vlan_off = rte_eth_dev_get_vlan_offload (xd->port_id);
716 vlan_off |= ETH_VLAN_STRIP_OFFLOAD;
718 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
720 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_VLAN_STRIP;
721 if (rte_eth_dev_set_vlan_offload (xd->port_id, vlan_off) == 0)
722 dpdk_log_info ("VLAN strip enabled for interface\n");
724 dpdk_log_warn ("VLAN strip cannot be supported by interface\n");
728 hi->max_packet_bytes = xd->port_conf.rxmode.max_rx_pkt_len
729 - sizeof (ethernet_header_t);
731 clib_warning ("hi NULL");
733 if (dm->conf->no_multi_seg)
734 mtu = mtu > ETHER_MAX_LEN ? ETHER_MAX_LEN : mtu;
736 rte_eth_dev_set_mtu (xd->port_id, mtu);
744 dpdk_bind_devices_to_uio (dpdk_config_main_t * conf)
746 vlib_main_t *vm = vlib_get_main ();
749 int num_whitelisted = vec_len (conf->dev_confs);
750 vlib_pci_device_info_t *d = 0;
751 vlib_pci_addr_t *addr = 0, *addrs;
754 addrs = vlib_pci_get_all_dev_addrs ();
756 vec_foreach (addr, addrs)
758 dpdk_device_config_t * devconf = 0;
759 vec_reset_length (pci_addr);
760 pci_addr = format (pci_addr, "%U%c", format_vlib_pci_addr, addr, 0);
763 vlib_pci_free_device_info (d);
766 d = vlib_pci_get_device_info (vm, addr, &error);
769 clib_error_report (error);
773 if (d->device_class != PCI_CLASS_NETWORK_ETHERNET && d->device_class != PCI_CLASS_PROCESSOR_CO)
778 uword * p = hash_get (conf->device_config_index_by_pci_addr, addr->as_u32);
786 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
789 /* Enforce Device blacklist by vendor and device */
790 for (i = 0; i < vec_len (conf->blacklist_by_pci_vendor_and_device); i++)
793 vendor = (u16)(conf->blacklist_by_pci_vendor_and_device[i] >> 16);
794 device = (u16)(conf->blacklist_by_pci_vendor_and_device[i] & 0xFFFF);
795 if (d->vendor_id == vendor && d->device_id == device)
798 * Expected case: device isn't whitelisted,
803 /* Device is blacklisted */
804 pool_get (conf->dev_confs, devconf);
805 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
806 devconf - conf->dev_confs);
807 devconf->pci_addr.as_u32 = addr->as_u32;
808 devconf->is_blacklisted = 1;
811 else /* explicitly whitelisted, ignore the device blacklist */
817 if (d->vendor_id == 0x1af4 &&
818 (d->device_id == VIRTIO_PCI_LEGACY_DEVICEID_NET ||
819 d->device_id == VIRTIO_PCI_MODERN_DEVICEID_NET))
822 else if (d->vendor_id == 0x15ad && d->device_id == 0x07b0)
825 * For vmxnet3 PCI, unless it is explicitly specified in the whitelist,
826 * the default is to put it in the blacklist.
830 pool_get (conf->dev_confs, devconf);
831 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
832 devconf - conf->dev_confs);
833 devconf->pci_addr.as_u32 = addr->as_u32;
834 devconf->is_blacklisted = 1;
837 /* all Intel network devices */
838 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_NETWORK_ETHERNET)
840 /* all Intel QAT devices VFs */
841 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_PROCESSOR_CO &&
842 (d->device_id == 0x0443 || d->device_id == 0x37c9 || d->device_id == 0x19e3))
845 else if (d->vendor_id == 0x1137 &&
846 (d->device_id == 0x0043 || d->device_id == 0x0071))
849 else if (d->vendor_id == 0x1425 && (d->device_id & 0xe000) == 0x4000)
851 /* Amazen Elastic Network Adapter */
852 else if (d->vendor_id == 0x1d0f && d->device_id >= 0xec20 && d->device_id <= 0xec21)
854 /* Cavium Network Adapter */
855 else if (d->vendor_id == 0x177d && d->device_id == 0x9712)
857 /* Cavium FastlinQ QL41000 Series */
858 else if (d->vendor_id == 0x1077 && d->device_id >= 0x8070 && d->device_id <= 0x8090)
861 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1003 && d->device_id <= 0x1004)
866 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1013 && d->device_id <= 0x101a)
872 dpdk_log_warn ("Unsupported PCI device 0x%04x:0x%04x found "
873 "at PCI address %s\n", (u16) d->vendor_id, (u16) d->device_id,
878 error = vlib_pci_bind_to_uio (vm, addr, (char *) conf->uio_driver_name);
884 pool_get (conf->dev_confs, devconf);
885 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
886 devconf - conf->dev_confs);
887 devconf->pci_addr.as_u32 = addr->as_u32;
889 devconf->is_blacklisted = 1;
890 clib_error_report (error);
895 vlib_pci_free_device_info (d);
899 dpdk_bind_vmbus_devices_to_uio (dpdk_config_main_t * conf)
902 vlib_vmbus_addr_t *addrs, *addr = 0;
904 addrs = vlib_vmbus_get_all_dev_addrs ();
907 vec_foreach (addr, addrs)
909 error = vlib_vmbus_bind_to_uio (addr);
913 clib_error_report (error);
919 static clib_error_t *
920 dpdk_device_config (dpdk_config_main_t * conf, vlib_pci_addr_t pci_addr,
921 unformat_input_t * input, u8 is_default)
923 clib_error_t *error = 0;
925 dpdk_device_config_t *devconf;
926 unformat_input_t sub_input;
930 devconf = &conf->default_devconf;
934 p = hash_get (conf->device_config_index_by_pci_addr, pci_addr.as_u32);
938 pool_get (conf->dev_confs, devconf);
939 hash_set (conf->device_config_index_by_pci_addr, pci_addr.as_u32,
940 devconf - conf->dev_confs);
943 return clib_error_return (0,
944 "duplicate configuration for PCI address %U",
945 format_vlib_pci_addr, &pci_addr);
948 devconf->pci_addr.as_u32 = pci_addr.as_u32;
949 devconf->hqos_enabled = 0;
951 dpdk_device_config_hqos_default (&devconf->hqos);
957 unformat_skip_white_space (input);
958 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
960 if (unformat (input, "num-rx-queues %u", &devconf->num_rx_queues))
962 else if (unformat (input, "num-tx-queues %u", &devconf->num_tx_queues))
964 else if (unformat (input, "num-rx-desc %u", &devconf->num_rx_desc))
966 else if (unformat (input, "num-tx-desc %u", &devconf->num_tx_desc))
968 else if (unformat (input, "name %s", &devconf->name))
970 else if (unformat (input, "workers %U", unformat_bitmap_list,
975 (input, "rss %U", unformat_vlib_cli_sub_input, &sub_input))
977 error = unformat_rss_fn (&sub_input, &devconf->rss_fn);
981 else if (unformat (input, "vlan-strip-offload off"))
982 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_OFF;
983 else if (unformat (input, "vlan-strip-offload on"))
984 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_ON;
987 (input, "hqos %U", unformat_vlib_cli_sub_input, &sub_input))
989 devconf->hqos_enabled = 1;
990 error = unformat_hqos (&sub_input, &devconf->hqos);
994 else if (unformat (input, "hqos"))
996 devconf->hqos_enabled = 1;
1000 error = clib_error_return (0, "unknown input `%U'",
1001 format_unformat_error, input);
1009 if (devconf->workers && devconf->num_rx_queues == 0)
1010 devconf->num_rx_queues = clib_bitmap_count_set_bits (devconf->workers);
1011 else if (devconf->workers &&
1012 clib_bitmap_count_set_bits (devconf->workers) !=
1013 devconf->num_rx_queues)
1015 clib_error_return (0,
1016 "%U: number of worker threads must be "
1017 "equal to number of rx queues", format_vlib_pci_addr,
1023 static clib_error_t *
1024 dpdk_log_read_ready (clib_file_t * uf)
1026 unformat_input_t input;
1033 uword len = vec_len (s);
1034 vec_resize (s, len + n_try);
1036 n = read (uf->file_descriptor, s + len, n_try);
1037 if (n < 0 && errno != EAGAIN)
1038 return clib_error_return_unix (0, "read");
1039 _vec_len (s) = len + (n < 0 ? 0 : n);
1042 unformat_init_vector (&input, s);
1044 while (unformat_user (&input, unformat_line, &line))
1046 dpdk_log_notice ("%v", line);
1050 unformat_free (&input);
1054 static clib_error_t *
1055 dpdk_config (vlib_main_t * vm, unformat_input_t * input)
1057 clib_error_t *error = 0;
1058 dpdk_config_main_t *conf = &dpdk_config_main;
1059 vlib_thread_main_t *tm = vlib_get_thread_main ();
1060 dpdk_device_config_t *devconf;
1061 vlib_pci_addr_t pci_addr;
1062 unformat_input_t sub_input;
1063 uword default_hugepage_sz, x;
1066 int num_whitelisted = 0;
1071 u8 *huge_dir_path = 0;
1075 format (0, "%s/hugepages%c", vlib_unix_get_runtime_dir (), 0);
1077 conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
1079 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1081 /* Prime the pump */
1082 if (unformat (input, "no-hugetlb"))
1084 vec_add1 (conf->eal_init_args, (u8 *) "--no-huge");
1087 else if (unformat (input, "enable-tcp-udp-checksum"))
1088 conf->enable_tcp_udp_checksum = 1;
1090 else if (unformat (input, "no-tx-checksum-offload"))
1091 conf->no_tx_checksum_offload = 1;
1093 else if (unformat (input, "decimal-interface-names"))
1094 conf->interface_name_format_decimal = 1;
1096 else if (unformat (input, "no-multi-seg"))
1097 conf->no_multi_seg = 1;
1099 else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input,
1103 dpdk_device_config (conf, (vlib_pci_addr_t) (u32) ~ 1, &sub_input,
1111 (input, "dev %U %U", unformat_vlib_pci_addr, &pci_addr,
1112 unformat_vlib_cli_sub_input, &sub_input))
1114 error = dpdk_device_config (conf, pci_addr, &sub_input, 0);
1121 else if (unformat (input, "dev %U", unformat_vlib_pci_addr, &pci_addr))
1123 error = dpdk_device_config (conf, pci_addr, 0, 0);
1130 else if (unformat (input, "num-mem-channels %d", &conf->nchannels))
1131 conf->nchannels_set_manually = 0;
1132 else if (unformat (input, "num-crypto-mbufs %d",
1133 &conf->num_crypto_mbufs))
1135 else if (unformat (input, "uio-driver %s", &conf->uio_driver_name))
1137 else if (unformat (input, "socket-mem %s", &socket_mem))
1139 else if (unformat (input, "no-pci"))
1142 tmp = format (0, "--no-pci%c", 0);
1143 vec_add1 (conf->eal_init_args, tmp);
1145 else if (unformat (input, "blacklist %x:%x", &vendor, &device))
1147 u32 blacklist_entry;
1148 if (vendor > 0xFFFF)
1149 return clib_error_return (0, "blacklist PCI vendor out of range");
1150 if (device > 0xFFFF)
1151 return clib_error_return (0, "blacklist PCI device out of range");
1152 blacklist_entry = (vendor << 16) | (device & 0xffff);
1153 vec_add1 (conf->blacklist_by_pci_vendor_and_device,
1156 else if (unformat (input, "no-vmbus"))
1159 tmp = format (0, "--no-vmbus%c", 0);
1160 vec_add1 (conf->eal_init_args, tmp);
1164 else if (unformat(input, #a)) \
1166 tmp = format (0, "--%s%c", #a, 0); \
1167 vec_add1 (conf->eal_init_args, tmp); \
1169 foreach_eal_double_hyphen_predicate_arg
1172 else if (unformat(input, #a " %s", &s)) \
1174 if (!strncmp(#a, "file-prefix", 11)) \
1176 tmp = format (0, "--%s%c", #a, 0); \
1177 vec_add1 (conf->eal_init_args, tmp); \
1179 if (!strncmp(#a, "vdev", 4)) \
1180 if (strstr((char*)s, "af_packet")) \
1181 clib_warning ("af_packet obsoleted. Use CLI 'create host-interface'."); \
1182 vec_add1 (conf->eal_init_args, s); \
1184 foreach_eal_double_hyphen_arg
1187 else if (unformat(input, #a " %s", &s)) \
1189 tmp = format (0, "-%s%c", #b, 0); \
1190 vec_add1 (conf->eal_init_args, tmp); \
1192 vec_add1 (conf->eal_init_args, s); \
1194 foreach_eal_single_hyphen_arg
1197 else if (unformat(input, #a " %s", &s)) \
1199 tmp = format (0, "-%s%c", #b, 0); \
1200 vec_add1 (conf->eal_init_args, tmp); \
1202 vec_add1 (conf->eal_init_args, s); \
1203 conf->a##_set_manually = 1; \
1205 foreach_eal_single_hyphen_mandatory_arg
1207 else if (unformat (input, "default"))
1210 else if (unformat_skip_white_space (input))
1214 error = clib_error_return (0, "unknown input `%U'",
1215 format_unformat_error, input);
1220 if (!conf->uio_driver_name)
1221 conf->uio_driver_name = format (0, "auto%c", 0);
1223 default_hugepage_sz = clib_mem_get_default_hugepage_size ();
1226 clib_bitmap_foreach (x, tm->cpu_socket_bitmap, (
1230 /* preallocate at least 16MB of hugepages per socket,
1231 if more is needed it is up to consumer to preallocate more */
1232 n_pages = round_pow2 ((uword) 16 << 20, default_hugepage_sz);
1233 n_pages /= default_hugepage_sz;
1235 if ((e = clib_sysfs_prealloc_hugepages(x, 0, n_pages)))
1236 clib_error_report (e);
1242 tmp = format (0, "--file-prefix%c", 0);
1243 vec_add1 (conf->eal_init_args, tmp);
1244 tmp = format (0, "vpp%c", 0);
1245 vec_add1 (conf->eal_init_args, tmp);
1251 /* I'll bet that -c and -n must be the first and second args... */
1252 if (!conf->coremask_set_manually)
1254 vlib_thread_registration_t *tr;
1255 uword *coremask = 0;
1258 /* main thread core */
1259 coremask = clib_bitmap_set (coremask, tm->main_lcore, 1);
1261 for (i = 0; i < vec_len (tm->registrations); i++)
1263 tr = tm->registrations[i];
1264 coremask = clib_bitmap_or (coremask, tr->coremask);
1267 vec_insert (conf->eal_init_args, 2, 1);
1268 conf->eal_init_args[1] = (u8 *) "-c";
1269 tmp = format (0, "%U%c", format_bitmap_hex, coremask, 0);
1270 conf->eal_init_args[2] = tmp;
1271 clib_bitmap_free (coremask);
1274 if (!conf->nchannels_set_manually)
1276 vec_insert (conf->eal_init_args, 2, 3);
1277 conf->eal_init_args[3] = (u8 *) "-n";
1278 tmp = format (0, "%d", conf->nchannels);
1279 conf->eal_init_args[4] = tmp;
1282 if (no_pci == 0 && geteuid () == 0)
1283 dpdk_bind_devices_to_uio (conf);
1285 if (no_vmbus == 0 && geteuid () == 0)
1286 dpdk_bind_vmbus_devices_to_uio (conf);
1289 if (devconf->x == 0 && conf->default_devconf.x > 0) \
1290 devconf->x = conf->default_devconf.x ;
1293 pool_foreach (devconf, conf->dev_confs, ({
1295 /* default per-device config items */
1296 foreach_dpdk_device_config_item
1298 /* add DPDK EAL whitelist/blacklist entry */
1299 if (num_whitelisted > 0 && devconf->is_blacklisted == 0)
1301 tmp = format (0, "-w%c", 0);
1302 vec_add1 (conf->eal_init_args, tmp);
1303 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1304 vec_add1 (conf->eal_init_args, tmp);
1306 else if (num_whitelisted == 0 && devconf->is_blacklisted != 0)
1308 tmp = format (0, "-b%c", 0);
1309 vec_add1 (conf->eal_init_args, tmp);
1310 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1311 vec_add1 (conf->eal_init_args, tmp);
1318 /* set master-lcore */
1319 tmp = format (0, "--master-lcore%c", 0);
1320 vec_add1 (conf->eal_init_args, tmp);
1321 tmp = format (0, "%u%c", tm->main_lcore, 0);
1322 vec_add1 (conf->eal_init_args, tmp);
1326 clib_warning ("socket-mem argument is deprecated");
1328 /* NULL terminate the "argv" vector, in case of stupidity */
1329 vec_add1 (conf->eal_init_args, 0);
1330 _vec_len (conf->eal_init_args) -= 1;
1332 /* Set up DPDK eal and packet mbuf pool early. */
1334 int log_fds[2] = { 0 };
1335 if (pipe (log_fds) == 0)
1337 if (fcntl (log_fds[1], F_SETFL, O_NONBLOCK) == 0)
1339 FILE *f = fdopen (log_fds[1], "a");
1340 if (f && rte_openlog_stream (f) == 0)
1342 clib_file_t t = { 0 };
1343 t.read_function = dpdk_log_read_ready;
1344 t.file_descriptor = log_fds[0];
1345 t.description = format (0, "DPDK logging pipe");
1346 clib_file_add (&file_main, &t);
1356 vm = vlib_get_main ();
1358 /* make copy of args as rte_eal_init tends to mess up with arg array */
1359 for (i = 1; i < vec_len (conf->eal_init_args); i++)
1360 conf->eal_init_args_str = format (conf->eal_init_args_str, "%s ",
1361 conf->eal_init_args[i]);
1363 dpdk_log_warn ("EAL init args: %s", conf->eal_init_args_str);
1364 ret = rte_eal_init (vec_len (conf->eal_init_args),
1365 (char **) conf->eal_init_args);
1367 /* lazy umount hugepages */
1368 umount2 ((char *) huge_dir_path, MNT_DETACH);
1369 rmdir ((char *) huge_dir_path);
1370 vec_free (huge_dir_path);
1373 return clib_error_return (0, "rte_eal_init returned %d", ret);
1375 /* main thread 1st */
1376 if ((error = dpdk_buffer_pools_create (vm)))
1383 VLIB_CONFIG_FUNCTION (dpdk_config, "dpdk");
1386 dpdk_update_link_state (dpdk_device_t * xd, f64 now)
1388 vnet_main_t *vnm = vnet_get_main ();
1389 struct rte_eth_link prev_link = xd->link;
1391 u8 hw_flags_chg = 0;
1393 /* only update link state for PMD interfaces */
1394 if ((xd->flags & DPDK_DEVICE_FLAG_PMD) == 0)
1397 xd->time_last_link_update = now ? now : xd->time_last_link_update;
1398 clib_memset (&xd->link, 0, sizeof (xd->link));
1399 rte_eth_link_get_nowait (xd->port_id, &xd->link);
1401 if (LINK_STATE_ELOGS)
1403 vlib_main_t *vm = vlib_get_main ();
1404 ELOG_TYPE_DECLARE (e) =
1407 "update-link-state: sw_if_index %d, admin_up %d,"
1408 "old link_state %d new link_state %d",.format_args = "i4i1i1i1",};
1417 ed = ELOG_DATA (&vm->elog_main, e);
1418 ed->sw_if_index = xd->sw_if_index;
1419 ed->admin_up = (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) != 0;
1420 ed->old_link_state = (u8)
1421 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index);
1422 ed->new_link_state = (u8) xd->link.link_status;
1425 if ((xd->flags & (DPDK_DEVICE_FLAG_ADMIN_UP | DPDK_DEVICE_FLAG_BOND_SLAVE))
1426 && ((xd->link.link_status != 0) ^
1427 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index)))
1430 hw_flags |= (xd->link.link_status ? VNET_HW_INTERFACE_FLAG_LINK_UP : 0);
1433 if (hw_flags_chg || (xd->link.link_duplex != prev_link.link_duplex))
1436 switch (xd->link.link_duplex)
1438 case ETH_LINK_HALF_DUPLEX:
1439 hw_flags |= VNET_HW_INTERFACE_FLAG_HALF_DUPLEX;
1441 case ETH_LINK_FULL_DUPLEX:
1442 hw_flags |= VNET_HW_INTERFACE_FLAG_FULL_DUPLEX;
1448 if (xd->link.link_speed != prev_link.link_speed)
1449 vnet_hw_interface_set_link_speed (vnm, xd->hw_if_index,
1450 xd->link.link_speed * 1000);
1454 if (LINK_STATE_ELOGS)
1456 vlib_main_t *vm = vlib_get_main ();
1458 ELOG_TYPE_DECLARE (e) =
1461 "update-link-state: sw_if_index %d, new flags %d",.format_args
1469 ed = ELOG_DATA (&vm->elog_main, e);
1470 ed->sw_if_index = xd->sw_if_index;
1471 ed->flags = hw_flags;
1473 vnet_hw_interface_set_flags (vnm, xd->hw_if_index, hw_flags);
1478 dpdk_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
1480 clib_error_t *error;
1481 vnet_main_t *vnm = vnet_get_main ();
1482 dpdk_main_t *dm = &dpdk_main;
1483 ethernet_main_t *em = ðernet_main;
1485 vlib_thread_main_t *tm = vlib_get_thread_main ();
1489 error = dpdk_lib_init (dm);
1492 clib_error_report (error);
1494 tm->worker_thread_release = 1;
1496 f64 now = vlib_time_now (vm);
1497 vec_foreach (xd, dm->devices)
1499 dpdk_update_link_state (xd, now);
1504 * Extra set up for bond interfaces:
1505 * 1. Setup MACs for bond interfaces and their slave links which was set
1506 * in dpdk_device_setup() but needs to be done again here to take
1508 * 2. Set up info and register slave link state change callback handling.
1509 * 3. Set up info for bond interface related CLI support.
1511 int nports = rte_eth_dev_count_avail ();
1515 RTE_ETH_FOREACH_DEV(i)
1518 for (j = 0; j < nports; j++)
1520 if (dm->devices[j].port_id == i)
1522 xd = &dm->devices[j];
1525 if (xd != NULL && xd->pmd == VNET_DPDK_PMD_BOND)
1528 dpdk_portid_t slink[16];
1529 int nlink = rte_eth_bond_slaves_get (i, slink, 16);
1532 vnet_hw_interface_t *bhi;
1533 ethernet_interface_t *bei;
1536 /* Get MAC of 1st slave link */
1538 (slink[0], (struct ether_addr *) addr);
1540 /* Set MAC of bounded interface to that of 1st slave link */
1541 dpdk_log_info ("Set MAC for bond port %d BondEthernet%d",
1542 i, xd->bond_instance_num);
1543 rv = rte_eth_bond_mac_address_set
1544 (i, (struct ether_addr *) addr);
1546 dpdk_log_warn ("Set MAC addr failure rv=%d", rv);
1548 /* Populate MAC of bonded interface in VPP hw tables */
1549 bhi = vnet_get_hw_interface
1550 (vnm, dm->devices[i].hw_if_index);
1551 bei = pool_elt_at_index
1552 (em->interfaces, bhi->hw_instance);
1553 clib_memcpy (bhi->hw_address, addr, 6);
1554 clib_memcpy (bei->address, addr, 6);
1556 /* Init l3 packet size allowed on bonded interface */
1557 bhi->max_packet_bytes = ETHERNET_MAX_PACKET_BYTES;
1559 { /* for all slave links */
1560 int slave = slink[--nlink];
1561 dpdk_device_t *sdev = &dm->devices[slave];
1562 vnet_hw_interface_t *shi;
1563 vnet_sw_interface_t *ssi;
1564 ethernet_interface_t *sei;
1565 /* Add MAC to all slave links except the first one */
1568 dpdk_log_info ("Add MAC for slave port %d",
1570 rv = rte_eth_dev_mac_addr_add
1571 (slave, (struct ether_addr *) addr, 0);
1573 dpdk_log_warn ("Add MAC addr failure rv=%d",
1576 /* Setup slave link state change callback handling */
1577 rte_eth_dev_callback_register
1578 (slave, RTE_ETH_EVENT_INTR_LSC,
1579 dpdk_port_state_callback, NULL);
1580 dpdk_device_t *sxd = &dm->devices[slave];
1581 sxd->flags |= DPDK_DEVICE_FLAG_BOND_SLAVE;
1583 /* Set slaves bitmap for bonded interface */
1584 bhi->bond_info = clib_bitmap_set
1585 (bhi->bond_info, sdev->hw_if_index, 1);
1586 /* Set MACs and slave link flags on slave interface */
1587 shi = vnet_get_hw_interface (vnm, sdev->hw_if_index);
1588 ssi = vnet_get_sw_interface (vnm, sdev->sw_if_index);
1589 sei = pool_elt_at_index
1590 (em->interfaces, shi->hw_instance);
1591 shi->bond_info = VNET_HW_INTERFACE_BOND_INFO_SLAVE;
1592 ssi->flags |= VNET_SW_INTERFACE_FLAG_BOND_SLAVE;
1593 clib_memcpy (shi->hw_address, addr, 6);
1594 clib_memcpy (sei->address, addr, 6);
1595 /* Set l3 packet size allowed as the lowest of slave */
1596 if (bhi->max_packet_bytes > shi->max_packet_bytes)
1597 bhi->max_packet_bytes = shi->max_packet_bytes;
1609 * check each time through the loop in case intervals are changed
1611 f64 min_wait = dm->link_state_poll_interval < dm->stat_poll_interval ?
1612 dm->link_state_poll_interval : dm->stat_poll_interval;
1614 vlib_process_wait_for_event_or_clock (vm, min_wait);
1616 if (dm->admin_up_down_in_progress)
1617 /* skip the poll if an admin up down is in progress (on any interface) */
1620 vec_foreach (xd, dm->devices)
1622 f64 now = vlib_time_now (vm);
1623 if ((now - xd->time_last_stats_update) >= dm->stat_poll_interval)
1624 dpdk_update_counters (xd, now);
1625 if ((now - xd->time_last_link_update) >= dm->link_state_poll_interval)
1626 dpdk_update_link_state (xd, now);
1635 VLIB_REGISTER_NODE (dpdk_process_node,static) = {
1636 .function = dpdk_process,
1637 .type = VLIB_NODE_TYPE_PROCESS,
1638 .name = "dpdk-process",
1639 .process_log2_n_stack_bytes = 17,
1643 static clib_error_t *
1644 dpdk_init (vlib_main_t * vm)
1646 dpdk_main_t *dm = &dpdk_main;
1647 clib_error_t *error = 0;
1649 /* verify that structs are cacheline aligned */
1650 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline0) == 0,
1651 "Cache line marker must be 1st element in dpdk_device_t");
1652 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline1) ==
1653 CLIB_CACHE_LINE_BYTES,
1654 "Data in cache line 0 is bigger than cache line size");
1655 STATIC_ASSERT (offsetof (frame_queue_trace_t, cacheline0) == 0,
1656 "Cache line marker must be 1st element in frame_queue_trace_t");
1657 STATIC_ASSERT (RTE_CACHE_LINE_SIZE == 1 << CLIB_LOG2_CACHE_LINE_BYTES,
1658 "DPDK RTE CACHE LINE SIZE does not match with 1<<CLIB_LOG2_CACHE_LINE_BYTES");
1661 dm->vnet_main = vnet_get_main ();
1662 dm->conf = &dpdk_config_main;
1664 dm->conf->nchannels = 4;
1665 vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet");
1666 vec_add1 (dm->conf->eal_init_args, (u8 *) "--in-memory");
1668 /* Default vlib_buffer_t flags, DISABLES tcp/udp checksumming... */
1669 dm->buffer_flags_template = (VLIB_BUFFER_TOTAL_LENGTH_VALID |
1670 VLIB_BUFFER_EXT_HDR_VALID |
1671 VNET_BUFFER_F_L4_CHECKSUM_COMPUTED |
1672 VNET_BUFFER_F_L4_CHECKSUM_CORRECT);
1674 dm->stat_poll_interval = DPDK_STATS_POLL_INTERVAL;
1675 dm->link_state_poll_interval = DPDK_LINK_POLL_INTERVAL;
1678 if ((error = vlib_call_init_function (vm, dpdk_cli_init)))
1681 dm->log_default = vlib_log_register_class ("dpdk", 0);
1686 VLIB_INIT_FUNCTION (dpdk_init);
1690 * fd.io coding-style-patch-verification: ON
1693 * eval: (c-set-style "gnu")