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 <dpdk/device/dpdk.h>
23 #include <vlib/unix/physmem.h>
24 #include <vlib/pci/pci.h>
30 #include <sys/mount.h>
34 #include <dpdk/device/dpdk_priv.h>
36 dpdk_main_t dpdk_main;
38 #include <vlibapi/api.h>
39 #include <vlibmemory/api.h>
41 /* define message IDs */
42 #include <dpdk/api/dpdk_msg_enum.h>
44 #define vl_typedefs /* define message structures */
45 #include <dpdk/api/dpdk_all_api_h.h>
48 #define vl_endianfun /* define message structures */
49 #include <dpdk/api/dpdk_all_api_h.h>
52 #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
54 /* Get the API version number. */
55 #define vl_api_version(n,v) static u32 api_version=(v);
56 #include <dpdk/api/dpdk_all_api_h.h>
59 /* Macro to finish up custom dump fns */
62 vl_print (handle, (char *)s); \
66 #include <vlibapi/api_helper_macros.h>
69 vl_api_sw_interface_set_dpdk_hqos_pipe_t_handler
70 (vl_api_sw_interface_set_dpdk_hqos_pipe_t * mp)
72 vl_api_sw_interface_set_dpdk_hqos_pipe_reply_t *rmp;
75 dpdk_main_t *dm = &dpdk_main;
78 u32 sw_if_index = ntohl (mp->sw_if_index);
79 u32 subport = ntohl (mp->subport);
80 u32 pipe = ntohl (mp->pipe);
81 u32 profile = ntohl (mp->profile);
82 vnet_hw_interface_t *hw;
84 VALIDATE_SW_IF_INDEX (mp);
86 /* hw_if & dpdk device */
87 hw = vnet_get_sup_hw_interface (dm->vnet_main, sw_if_index);
89 xd = vec_elt_at_index (dm->devices, hw->dev_instance);
91 rv = rte_sched_pipe_config (xd->hqos_ht->hqos, subport, pipe, profile);
93 BAD_SW_IF_INDEX_LABEL;
95 REPLY_MACRO (VL_API_SW_INTERFACE_SET_DPDK_HQOS_PIPE_REPLY);
98 static void *vl_api_sw_interface_set_dpdk_hqos_pipe_t_print
99 (vl_api_sw_interface_set_dpdk_hqos_pipe_t * mp, void *handle)
103 s = format (0, "SCRIPT: sw_interface_set_dpdk_hqos_pipe ");
105 s = format (s, "sw_if_index %u ", ntohl (mp->sw_if_index));
107 s = format (s, "subport %u pipe %u profile %u ",
108 ntohl (mp->subport), ntohl (mp->pipe), ntohl (mp->profile));
114 vl_api_sw_interface_set_dpdk_hqos_subport_t_handler
115 (vl_api_sw_interface_set_dpdk_hqos_subport_t * mp)
117 vl_api_sw_interface_set_dpdk_hqos_subport_reply_t *rmp;
120 dpdk_main_t *dm = &dpdk_main;
122 struct rte_sched_subport_params p;
124 u32 sw_if_index = ntohl (mp->sw_if_index);
125 u32 subport = ntohl (mp->subport);
126 p.tb_rate = ntohl (mp->tb_rate);
127 p.tb_size = ntohl (mp->tb_size);
128 p.tc_rate[0] = ntohl (mp->tc_rate[0]);
129 p.tc_rate[1] = ntohl (mp->tc_rate[1]);
130 p.tc_rate[2] = ntohl (mp->tc_rate[2]);
131 p.tc_rate[3] = ntohl (mp->tc_rate[3]);
132 p.tc_period = ntohl (mp->tc_period);
134 vnet_hw_interface_t *hw;
136 VALIDATE_SW_IF_INDEX (mp);
138 /* hw_if & dpdk device */
139 hw = vnet_get_sup_hw_interface (dm->vnet_main, sw_if_index);
141 xd = vec_elt_at_index (dm->devices, hw->dev_instance);
143 rv = rte_sched_subport_config (xd->hqos_ht->hqos, subport, &p);
145 BAD_SW_IF_INDEX_LABEL;
147 REPLY_MACRO (VL_API_SW_INTERFACE_SET_DPDK_HQOS_SUBPORT_REPLY);
150 static void *vl_api_sw_interface_set_dpdk_hqos_subport_t_print
151 (vl_api_sw_interface_set_dpdk_hqos_subport_t * mp, void *handle)
155 s = format (0, "SCRIPT: sw_interface_set_dpdk_hqos_subport ");
157 s = format (s, "sw_if_index %u ", ntohl (mp->sw_if_index));
161 "subport %u rate %u bkt_size %u tc0 %u tc1 %u tc2 %u tc3 %u period %u",
162 ntohl (mp->subport), ntohl (mp->tb_rate), ntohl (mp->tb_size),
163 ntohl (mp->tc_rate[0]), ntohl (mp->tc_rate[1]),
164 ntohl (mp->tc_rate[2]), ntohl (mp->tc_rate[3]),
165 ntohl (mp->tc_period));
171 vl_api_sw_interface_set_dpdk_hqos_tctbl_t_handler
172 (vl_api_sw_interface_set_dpdk_hqos_tctbl_t * mp)
174 vl_api_sw_interface_set_dpdk_hqos_tctbl_reply_t *rmp;
177 dpdk_main_t *dm = &dpdk_main;
178 vlib_thread_main_t *tm = vlib_get_thread_main ();
181 u32 sw_if_index = ntohl (mp->sw_if_index);
182 u32 entry = ntohl (mp->entry);
183 u32 tc = ntohl (mp->tc);
184 u32 queue = ntohl (mp->queue);
187 vnet_hw_interface_t *hw;
189 VALIDATE_SW_IF_INDEX (mp);
191 /* hw_if & dpdk device */
192 hw = vnet_get_sup_hw_interface (dm->vnet_main, sw_if_index);
194 xd = vec_elt_at_index (dm->devices, hw->dev_instance);
196 if (tc >= RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE)
198 clib_warning ("invalid traffic class !!");
199 rv = VNET_API_ERROR_INVALID_VALUE;
202 if (queue >= RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS)
204 clib_warning ("invalid queue !!");
205 rv = VNET_API_ERROR_INVALID_VALUE;
209 /* Detect the set of worker threads */
210 uword *p = hash_get_mem (tm->thread_registrations_by_name, "workers");
214 clib_warning ("worker thread registration AWOL !!");
215 rv = VNET_API_ERROR_INVALID_VALUE_2;
219 vlib_thread_registration_t *tr = (vlib_thread_registration_t *) p[0];
220 int worker_thread_first = tr->first_index;
221 int worker_thread_count = tr->count;
223 val = tc * RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS + queue;
224 for (i = 0; i < worker_thread_count; i++)
225 xd->hqos_wt[worker_thread_first + i].hqos_tc_table[entry] = val;
227 BAD_SW_IF_INDEX_LABEL;
230 REPLY_MACRO (VL_API_SW_INTERFACE_SET_DPDK_HQOS_TCTBL_REPLY);
233 static void *vl_api_sw_interface_set_dpdk_hqos_tctbl_t_print
234 (vl_api_sw_interface_set_dpdk_hqos_tctbl_t * mp, void *handle)
238 s = format (0, "SCRIPT: sw_interface_set_dpdk_hqos_tctbl ");
240 s = format (s, "sw_if_index %u ", ntohl (mp->sw_if_index));
242 s = format (s, "entry %u tc %u queue %u",
243 ntohl (mp->entry), ntohl (mp->tc), ntohl (mp->queue));
248 #define foreach_dpdk_plugin_api_msg \
249 _(SW_INTERFACE_SET_DPDK_HQOS_PIPE, sw_interface_set_dpdk_hqos_pipe) \
250 _(SW_INTERFACE_SET_DPDK_HQOS_SUBPORT, sw_interface_set_dpdk_hqos_subport) \
251 _(SW_INTERFACE_SET_DPDK_HQOS_TCTBL, sw_interface_set_dpdk_hqos_tctbl)
253 /* Set up the API message handling tables */
254 static clib_error_t *
255 dpdk_plugin_api_hookup (vlib_main_t * vm)
257 dpdk_main_t *dm __attribute__ ((unused)) = &dpdk_main;
259 vl_msg_api_set_handlers((VL_API_##N + dm->msg_id_base), \
261 vl_api_##n##_t_handler, \
263 vl_api_##n##_t_endian, \
264 vl_api_##n##_t_print, \
265 sizeof(vl_api_##n##_t), 1);
266 foreach_dpdk_plugin_api_msg;
271 #define vl_msg_name_crc_list
272 #include <dpdk/api/dpdk_all_api_h.h>
273 #undef vl_msg_name_crc_list
276 setup_message_id_table (dpdk_main_t * dm, api_main_t * am)
278 #define _(id,n,crc) \
279 vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id + dm->msg_id_base);
280 foreach_vl_msg_name_crc_dpdk;
286 static void plugin_custom_dump_configure (dpdk_main_t * dm)
288 #define _(n,f) dm->api_main->msg_print_handlers \
289 [VL_API_##n + dm->msg_id_base] \
290 = (void *) vl_api_##f##_t_print;
291 foreach_dpdk_plugin_api_msg;
295 /* force linker to link functions used by vlib and declared weak */
296 void *vlib_weakly_linked_functions[] = {
298 &rte_pktmbuf_pool_init,
301 #define LINK_STATE_ELOGS 0
303 #define DEFAULT_HUGE_DIR "/run/vpp/hugepages"
304 #define VPP_RUN_DIR "/run/vpp"
306 /* Port configuration, mildly modified Intel app values */
308 static struct rte_eth_conf port_conf_template = {
311 .header_split = 0, /**< Header Split disabled */
312 .hw_ip_checksum = 0, /**< IP checksum offload disabled */
313 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
314 .hw_strip_crc = 0, /**< CRC stripped by hardware */
317 .mq_mode = ETH_MQ_TX_NONE,
322 dpdk_port_setup (dpdk_main_t * dm, dpdk_device_t * xd)
327 ASSERT (os_get_cpu_number () == 0);
329 if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
331 vnet_hw_interface_set_flags (dm->vnet_main, xd->vlib_hw_if_index, 0);
332 rte_eth_dev_stop (xd->device_index);
335 rv = rte_eth_dev_configure (xd->device_index, xd->rx_q_used,
336 xd->tx_q_used, &xd->port_conf);
339 return clib_error_return (0, "rte_eth_dev_configure[%d]: err %d",
340 xd->device_index, rv);
342 /* Set up one TX-queue per worker thread */
343 for (j = 0; j < xd->tx_q_used; j++)
345 rv = rte_eth_tx_queue_setup (xd->device_index, j, xd->nb_tx_desc,
346 xd->cpu_socket, &xd->tx_conf);
348 /* retry with any other CPU socket */
350 rv = rte_eth_tx_queue_setup (xd->device_index, j, xd->nb_tx_desc,
351 SOCKET_ID_ANY, &xd->tx_conf);
357 return clib_error_return (0, "rte_eth_tx_queue_setup[%d]: err %d",
358 xd->device_index, rv);
360 for (j = 0; j < xd->rx_q_used; j++)
363 rv = rte_eth_rx_queue_setup (xd->device_index, j, xd->nb_rx_desc,
366 pktmbuf_pools[xd->cpu_socket_id_by_queue
369 /* retry with any other CPU socket */
371 rv = rte_eth_rx_queue_setup (xd->device_index, j, xd->nb_rx_desc,
374 pktmbuf_pools[xd->cpu_socket_id_by_queue
377 return clib_error_return (0, "rte_eth_rx_queue_setup[%d]: err %d",
378 xd->device_index, rv);
381 if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
384 rv = rte_eth_dev_start (xd->device_index);
385 if (!rv && xd->default_mac_address)
386 rv = rte_eth_dev_default_mac_addr_set (xd->device_index,
387 (struct ether_addr *)
388 xd->default_mac_address);
390 clib_warning ("rte_eth_dev_start %d returned %d",
391 xd->device_index, rv);
397 dpdk_flag_change (vnet_main_t * vnm, vnet_hw_interface_t * hi, u32 flags)
399 dpdk_main_t *dm = &dpdk_main;
400 dpdk_device_t *xd = vec_elt_at_index (dm->devices, hi->dev_instance);
403 if (ETHERNET_INTERFACE_FLAG_CONFIG_PROMISC (flags))
405 old = (xd->flags & DPDK_DEVICE_FLAG_PROMISC) != 0;
407 if (flags & ETHERNET_INTERFACE_FLAG_ACCEPT_ALL)
408 xd->flags |= DPDK_DEVICE_FLAG_PROMISC;
410 xd->flags &= ~DPDK_DEVICE_FLAG_PROMISC;
412 if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
414 if (xd->flags & DPDK_DEVICE_FLAG_PROMISC)
415 rte_eth_promiscuous_enable (xd->device_index);
417 rte_eth_promiscuous_disable (xd->device_index);
420 else if (ETHERNET_INTERFACE_FLAG_CONFIG_MTU (flags))
423 * DAW-FIXME: The Cisco VIC firmware does not provide an api for a
424 * driver to dynamically change the mtu. If/when the
425 * VIC firmware gets fixed, then this should be removed.
427 if (xd->pmd == VNET_DPDK_PMD_ENIC)
429 struct rte_eth_dev_info dev_info;
432 * Restore mtu to what has been set by CIMC in the firmware cfg.
434 rte_eth_dev_info_get (xd->device_index, &dev_info);
435 hi->max_packet_bytes = dev_info.max_rx_pktlen;
437 vlib_cli_output (vlib_get_main (),
438 "Cisco VIC mtu can only be changed "
439 "using CIMC then rebooting the server!");
445 xd->port_conf.rxmode.max_rx_pkt_len = hi->max_packet_bytes;
447 if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
448 rte_eth_dev_stop (xd->device_index);
450 rv = rte_eth_dev_configure
451 (xd->device_index, xd->rx_q_used, xd->tx_q_used, &xd->port_conf);
454 vlib_cli_output (vlib_get_main (),
455 "rte_eth_dev_configure[%d]: err %d",
456 xd->device_index, rv);
458 rte_eth_dev_set_mtu (xd->device_index, hi->max_packet_bytes);
460 if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
462 int rv = rte_eth_dev_start (xd->device_index);
463 if (!rv && xd->default_mac_address)
464 rv = rte_eth_dev_default_mac_addr_set (xd->device_index,
465 (struct ether_addr *)
466 xd->default_mac_address);
468 clib_warning ("rte_eth_dev_start %d returned %d",
469 xd->device_index, rv);
477 dpdk_device_lock_init (dpdk_device_t * xd)
480 vec_validate (xd->lockp, xd->tx_q_used - 1);
481 for (q = 0; q < xd->tx_q_used; q++)
483 xd->lockp[q] = clib_mem_alloc_aligned (CLIB_CACHE_LINE_BYTES,
484 CLIB_CACHE_LINE_BYTES);
485 memset ((void *) xd->lockp[q], 0, CLIB_CACHE_LINE_BYTES);
490 dpdk_device_lock_free (dpdk_device_t * xd)
494 for (q = 0; q < vec_len (xd->lockp); q++)
495 clib_mem_free ((void *) xd->lockp[q]);
496 vec_free (xd->lockp);
500 static clib_error_t *
501 dpdk_lib_init (dpdk_main_t * dm)
507 vlib_main_t *vm = vlib_get_main ();
508 vlib_thread_main_t *tm = vlib_get_thread_main ();
509 vnet_sw_interface_t *sw;
510 vnet_hw_interface_t *hi;
512 vlib_pci_addr_t last_pci_addr;
513 u32 last_pci_addr_port = 0;
514 vlib_thread_registration_t *tr, *tr_hqos;
517 u32 next_cpu = 0, next_hqos_cpu = 0;
518 u8 af_packet_port_id = 0;
519 last_pci_addr.as_u32 = ~0;
521 dm->input_cpu_first_index = 0;
522 dm->input_cpu_count = 1;
524 /* find out which cpus will be used for input */
525 p = hash_get_mem (tm->thread_registrations_by_name, "workers");
526 tr = p ? (vlib_thread_registration_t *) p[0] : 0;
528 if (tr && tr->count > 0)
530 dm->input_cpu_first_index = tr->first_index;
531 dm->input_cpu_count = tr->count;
534 vec_validate_aligned (dm->devices_by_cpu, tm->n_vlib_mains - 1,
535 CLIB_CACHE_LINE_BYTES);
537 dm->hqos_cpu_first_index = 0;
538 dm->hqos_cpu_count = 0;
540 /* find out which cpus will be used for I/O TX */
541 p_hqos = hash_get_mem (tm->thread_registrations_by_name, "hqos-threads");
542 tr_hqos = p_hqos ? (vlib_thread_registration_t *) p_hqos[0] : 0;
544 if (tr_hqos && tr_hqos->count > 0)
546 dm->hqos_cpu_first_index = tr_hqos->first_index;
547 dm->hqos_cpu_count = tr_hqos->count;
550 vec_validate_aligned (dm->devices_by_hqos_cpu, tm->n_vlib_mains - 1,
551 CLIB_CACHE_LINE_BYTES);
553 nports = rte_eth_dev_count ();
556 clib_warning ("DPDK drivers found no ports...");
560 clib_warning ("DPDK drivers found %d ports...", nports);
563 * All buffers are all allocated from the same rte_mempool.
564 * Thus they all have the same number of data bytes.
566 dm->vlib_buffer_free_list_index =
567 vlib_buffer_get_or_create_free_list (vm,
568 VLIB_BUFFER_DEFAULT_FREE_LIST_BYTES,
571 if (dm->conf->enable_tcp_udp_checksum)
572 dm->buffer_flags_template &= ~(IP_BUFFER_L4_CHECKSUM_CORRECT
573 | IP_BUFFER_L4_CHECKSUM_COMPUTED);
575 for (i = 0; i < nports; i++)
580 struct rte_eth_dev_info dev_info;
582 struct rte_eth_link l;
583 dpdk_device_config_t *devconf = 0;
584 vlib_pci_addr_t pci_addr;
587 rte_eth_dev_info_get (i, &dev_info);
588 if (dev_info.pci_dev) /* bonded interface has no pci info */
590 pci_addr.domain = dev_info.pci_dev->addr.domain;
591 pci_addr.bus = dev_info.pci_dev->addr.bus;
592 pci_addr.slot = dev_info.pci_dev->addr.devid;
593 pci_addr.function = dev_info.pci_dev->addr.function;
595 hash_get (dm->conf->device_config_index_by_pci_addr,
600 devconf = pool_elt_at_index (dm->conf->dev_confs, p[0]);
602 devconf = &dm->conf->default_devconf;
604 /* Create vnet interface */
605 vec_add2_aligned (dm->devices, xd, 1, CLIB_CACHE_LINE_BYTES);
606 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
607 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
608 xd->cpu_socket = (i8) rte_eth_dev_socket_id (i);
610 /* Handle interface naming for devices with multiple ports sharing same PCI ID */
611 if (dev_info.pci_dev)
613 struct rte_eth_dev_info di = { 0 };
614 rte_eth_dev_info_get (i + 1, &di);
615 if (di.pci_dev && pci_addr.as_u32 != last_pci_addr.as_u32 &&
616 memcmp (&dev_info.pci_dev->addr, &di.pci_dev->addr,
617 sizeof (struct rte_pci_addr)) == 0)
619 xd->interface_name_suffix = format (0, "0");
620 last_pci_addr.as_u32 = pci_addr.as_u32;
621 last_pci_addr_port = i;
623 else if (pci_addr.as_u32 == last_pci_addr.as_u32)
625 xd->interface_name_suffix =
626 format (0, "%u", i - last_pci_addr_port);
630 last_pci_addr.as_u32 = ~0;
634 last_pci_addr.as_u32 = ~0;
636 clib_memcpy (&xd->tx_conf, &dev_info.default_txconf,
637 sizeof (struct rte_eth_txconf));
638 if (dm->conf->no_multi_seg)
640 xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
641 port_conf_template.rxmode.jumbo_frame = 0;
645 xd->tx_conf.txq_flags &= ~ETH_TXQ_FLAGS_NOMULTSEGS;
646 port_conf_template.rxmode.jumbo_frame = 1;
647 xd->flags |= DPDK_DEVICE_FLAG_MAYBE_MULTISEG;
650 clib_memcpy (&xd->port_conf, &port_conf_template,
651 sizeof (struct rte_eth_conf));
653 xd->tx_q_used = clib_min (dev_info.max_tx_queues, tm->n_vlib_mains);
655 if (devconf->num_tx_queues > 0
656 && devconf->num_tx_queues < xd->tx_q_used)
657 xd->tx_q_used = clib_min (xd->tx_q_used, devconf->num_tx_queues);
659 if (devconf->num_rx_queues > 1 && dm->use_rss == 0)
664 if (devconf->num_rx_queues > 1
665 && dev_info.max_rx_queues >= devconf->num_rx_queues)
667 xd->rx_q_used = devconf->num_rx_queues;
668 xd->port_conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
669 if (devconf->rss_fn == 0)
670 xd->port_conf.rx_adv_conf.rss_conf.rss_hf =
671 ETH_RSS_IP | ETH_RSS_UDP | ETH_RSS_TCP;
673 xd->port_conf.rx_adv_conf.rss_conf.rss_hf = devconf->rss_fn;
678 xd->flags |= DPDK_DEVICE_FLAG_PMD;
680 /* workaround for drivers not setting driver_name */
681 if ((!dev_info.driver_name) && (dev_info.pci_dev))
682 dev_info.driver_name = dev_info.pci_dev->driver->driver.name;
684 ASSERT (dev_info.driver_name);
690 #define _(s,f) else if (dev_info.driver_name && \
691 !strcmp(dev_info.driver_name, s)) \
692 xd->pmd = VNET_DPDK_PMD_##f;
698 xd->pmd = VNET_DPDK_PMD_UNKNOWN;
700 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
701 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
702 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
707 case VNET_DPDK_PMD_E1000EM:
708 case VNET_DPDK_PMD_IGB:
709 case VNET_DPDK_PMD_IGBVF:
710 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
714 case VNET_DPDK_PMD_IXGBE:
715 case VNET_DPDK_PMD_IXGBEVF:
716 case VNET_DPDK_PMD_THUNDERX:
717 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
719 case VNET_DPDK_PMD_DPAA2:
720 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
724 case VNET_DPDK_PMD_ENIC:
725 rte_eth_link_get_nowait (i, &l);
726 xd->flags |= DPDK_DEVICE_FLAG_PMD_SUPPORTS_PTYPE;
727 if (l.link_speed == 40000)
728 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
730 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
733 /* Intel Fortville */
734 case VNET_DPDK_PMD_I40E:
735 case VNET_DPDK_PMD_I40EVF:
736 xd->flags |= DPDK_DEVICE_FLAG_PMD_SUPPORTS_PTYPE;
737 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
739 switch (dev_info.pci_dev->id.device_id)
741 case I40E_DEV_ID_10G_BASE_T:
742 case I40E_DEV_ID_SFP_XL710:
743 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
745 case I40E_DEV_ID_QSFP_A:
746 case I40E_DEV_ID_QSFP_B:
747 case I40E_DEV_ID_QSFP_C:
748 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
751 rte_eth_link_get_nowait (i, &l);
752 xd->port_type = l.link_speed == 10000 ?
753 VNET_DPDK_PORT_TYPE_ETH_10G : VNET_DPDK_PORT_TYPE_ETH_40G;
756 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
760 case VNET_DPDK_PMD_CXGBE:
761 switch (dev_info.pci_dev->id.device_id)
763 case 0x540d: /* T580-CR */
764 case 0x5410: /* T580-LP-cr */
765 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
767 case 0x5403: /* T540-CR */
768 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
771 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
775 case VNET_DPDK_PMD_MLX5:
777 char *pn_100g[] = { "MCX415A-CCAT", "MCX416A-CCAT", 0 };
778 char *pn_40g[] = { "MCX413A-BCAT", "MCX414A-BCAT",
779 "MCX415A-BCAT", "MCX416A-BCAT", "MCX4131A-BCAT", 0
781 char *pn_10g[] = { "MCX4111A-XCAT", "MCX4121A-XCAT", 0 };
783 vlib_pci_device_t *pd = vlib_get_pci_device (&pci_addr);
787 pn = format (0, "%U%c",
788 format_vlib_pci_vpd, pd->vpd_r, "PN", 0);
794 while (!found && c[0])
796 if (strncmp ((char *) pn, c[0], strlen (c[0])) == 0)
798 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_100G;
805 while (!found && c[0])
807 if (strncmp ((char *) pn, c[0], strlen (c[0])) == 0)
809 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
816 while (!found && c[0])
818 if (strncmp ((char *) pn, c[0], strlen (c[0])) == 0)
820 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
830 /* Intel Red Rock Canyon */
831 case VNET_DPDK_PMD_FM10K:
832 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_SWITCH;
836 case VNET_DPDK_PMD_VIRTIO:
837 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
838 xd->nb_rx_desc = DPDK_NB_RX_DESC_VIRTIO;
839 xd->nb_tx_desc = DPDK_NB_TX_DESC_VIRTIO;
843 case VNET_DPDK_PMD_VMXNET3:
844 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
845 xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
848 case VNET_DPDK_PMD_AF_PACKET:
849 xd->port_type = VNET_DPDK_PORT_TYPE_AF_PACKET;
850 xd->af_packet_port_id = af_packet_port_id++;
853 case VNET_DPDK_PMD_BOND:
854 xd->flags |= DPDK_DEVICE_FLAG_PMD_SUPPORTS_PTYPE;
855 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_BOND;
859 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
862 if (devconf->num_rx_desc)
863 xd->nb_rx_desc = devconf->num_rx_desc;
865 if (devconf->num_tx_desc)
866 xd->nb_tx_desc = devconf->num_tx_desc;
870 * Ensure default mtu is not > the mtu read from the hardware.
871 * Otherwise rte_eth_dev_configure() will fail and the port will
874 if (ETHERNET_MAX_PACKET_BYTES > dev_info.max_rx_pktlen)
877 * This device does not support the platforms's max frame
878 * size. Use it's advertised mru instead.
880 xd->port_conf.rxmode.max_rx_pkt_len = dev_info.max_rx_pktlen;
884 xd->port_conf.rxmode.max_rx_pkt_len = ETHERNET_MAX_PACKET_BYTES;
887 * Some platforms do not account for Ethernet FCS (4 bytes) in
888 * MTU calculations. To interop with them increase mru but only
889 * if the device's settings can support it.
891 if ((dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES + 4)) &&
892 xd->port_conf.rxmode.hw_strip_crc)
895 * Allow additional 4 bytes (for Ethernet FCS). These bytes are
896 * stripped by h/w and so will not consume any buffer memory.
898 xd->port_conf.rxmode.max_rx_pkt_len += 4;
902 if (xd->pmd == VNET_DPDK_PMD_AF_PACKET)
904 f64 now = vlib_time_now (vm);
906 rnd = (u32) (now * 1e6);
907 rnd = random_u32 (&rnd);
908 clib_memcpy (addr + 2, &rnd, sizeof (rnd));
913 rte_eth_macaddr_get (i, (struct ether_addr *) addr);
915 if (xd->tx_q_used < tm->n_vlib_mains)
916 dpdk_device_lock_init (xd);
918 xd->device_index = xd - dm->devices;
919 ASSERT (i == xd->device_index);
920 xd->per_interface_next_index = ~0;
922 /* assign interface to input thread */
923 dpdk_device_and_queue_t *dq;
926 if (devconf->workers)
931 clib_bitmap_foreach (i, devconf->workers, ({
932 int cpu = dm->input_cpu_first_index + i;
933 unsigned lcore = vlib_worker_threads[cpu].lcore_id;
934 vec_validate(xd->cpu_socket_id_by_queue, q);
935 xd->cpu_socket_id_by_queue[q] = rte_lcore_to_socket_id(lcore);
936 vec_add2(dm->devices_by_cpu[cpu], dq, 1);
937 dq->device = xd->device_index;
943 for (q = 0; q < xd->rx_q_used; q++)
945 int cpu = dm->input_cpu_first_index + next_cpu;
946 unsigned lcore = vlib_worker_threads[cpu].lcore_id;
949 * numa node for worker thread handling this queue
950 * needed for taking buffers from the right mempool
952 vec_validate (xd->cpu_socket_id_by_queue, q);
953 xd->cpu_socket_id_by_queue[q] = rte_lcore_to_socket_id (lcore);
956 * construct vector of (device,queue) pairs for each worker thread
958 vec_add2 (dm->devices_by_cpu[cpu], dq, 1);
959 dq->device = xd->device_index;
963 if (next_cpu == dm->input_cpu_count)
968 if (devconf->hqos_enabled)
970 xd->flags |= DPDK_DEVICE_FLAG_HQOS;
972 if (devconf->hqos.hqos_thread_valid)
974 int cpu = dm->hqos_cpu_first_index + devconf->hqos.hqos_thread;
976 if (devconf->hqos.hqos_thread >= dm->hqos_cpu_count)
977 return clib_error_return (0, "invalid HQoS thread index");
979 vec_add2 (dm->devices_by_hqos_cpu[cpu], dq, 1);
980 dq->device = xd->device_index;
985 int cpu = dm->hqos_cpu_first_index + next_hqos_cpu;
987 if (dm->hqos_cpu_count == 0)
988 return clib_error_return (0, "no HQoS threads available");
990 vec_add2 (dm->devices_by_hqos_cpu[cpu], dq, 1);
991 dq->device = xd->device_index;
995 if (next_hqos_cpu == dm->hqos_cpu_count)
998 devconf->hqos.hqos_thread_valid = 1;
999 devconf->hqos.hqos_thread = cpu;
1003 vec_validate_aligned (xd->tx_vectors, tm->n_vlib_mains,
1004 CLIB_CACHE_LINE_BYTES);
1005 for (j = 0; j < tm->n_vlib_mains; j++)
1007 vec_validate_ha (xd->tx_vectors[j], xd->nb_tx_desc,
1008 sizeof (tx_ring_hdr_t), CLIB_CACHE_LINE_BYTES);
1009 vec_reset_length (xd->tx_vectors[j]);
1012 vec_validate_aligned (xd->rx_vectors, xd->rx_q_used,
1013 CLIB_CACHE_LINE_BYTES);
1014 for (j = 0; j < xd->rx_q_used; j++)
1016 vec_validate_aligned (xd->rx_vectors[j], VLIB_FRAME_SIZE - 1,
1017 CLIB_CACHE_LINE_BYTES);
1018 vec_reset_length (xd->rx_vectors[j]);
1021 vec_validate_aligned (xd->d_trace_buffers, tm->n_vlib_mains,
1022 CLIB_CACHE_LINE_BYTES);
1024 rv = dpdk_port_setup (dm, xd);
1029 if (devconf->hqos_enabled)
1031 rv = dpdk_port_setup_hqos (xd, &devconf->hqos);
1036 /* count the number of descriptors used for this device */
1037 nb_desc += xd->nb_rx_desc + xd->nb_tx_desc * xd->tx_q_used;
1039 error = ethernet_register_interface
1040 (dm->vnet_main, dpdk_device_class.index, xd->device_index,
1041 /* ethernet address */ addr,
1042 &xd->vlib_hw_if_index, dpdk_flag_change);
1046 sw = vnet_get_hw_sw_interface (dm->vnet_main, xd->vlib_hw_if_index);
1047 xd->vlib_sw_if_index = sw->sw_if_index;
1048 hi = vnet_get_hw_interface (dm->vnet_main, xd->vlib_hw_if_index);
1051 * DAW-FIXME: The Cisco VIC firmware does not provide an api for a
1052 * driver to dynamically change the mtu. If/when the
1053 * VIC firmware gets fixed, then this should be removed.
1055 if (xd->pmd == VNET_DPDK_PMD_ENIC)
1058 * Initialize mtu to what has been set by CIMC in the firmware cfg.
1060 hi->max_packet_bytes = dev_info.max_rx_pktlen;
1061 if (devconf->vlan_strip_offload != DPDK_DEVICE_VLAN_STRIP_OFF)
1062 vlan_strip = 1; /* remove vlan tag from VIC port by default */
1064 clib_warning ("VLAN strip disabled for interface\n");
1066 else if (devconf->vlan_strip_offload == DPDK_DEVICE_VLAN_STRIP_ON)
1072 vlan_off = rte_eth_dev_get_vlan_offload (xd->device_index);
1073 vlan_off |= ETH_VLAN_STRIP_OFFLOAD;
1074 xd->port_conf.rxmode.hw_vlan_strip = vlan_off;
1075 if (rte_eth_dev_set_vlan_offload (xd->device_index, vlan_off) == 0)
1076 clib_warning ("VLAN strip enabled for interface\n");
1078 clib_warning ("VLAN strip cannot be supported by interface\n");
1081 hi->max_l3_packet_bytes[VLIB_RX] = hi->max_l3_packet_bytes[VLIB_TX] =
1082 xd->port_conf.rxmode.max_rx_pkt_len - sizeof (ethernet_header_t);
1084 rte_eth_dev_set_mtu (xd->device_index, hi->max_packet_bytes);
1087 if (nb_desc > dm->conf->num_mbufs)
1088 clib_warning ("%d mbufs allocated but total rx/tx ring size is %d\n",
1089 dm->conf->num_mbufs, nb_desc);
1095 dpdk_bind_devices_to_uio (dpdk_config_main_t * conf)
1097 vlib_pci_main_t *pm = &pci_main;
1098 clib_error_t *error;
1099 vlib_pci_device_t *d;
1101 int num_whitelisted = vec_len (conf->dev_confs);
1104 pool_foreach (d, pm->pci_devs, ({
1105 dpdk_device_config_t * devconf = 0;
1106 vec_reset_length (pci_addr);
1107 pci_addr = format (pci_addr, "%U%c", format_vlib_pci_addr, &d->bus_address, 0);
1109 if (d->device_class != PCI_CLASS_NETWORK_ETHERNET && d->device_class != PCI_CLASS_PROCESSOR_CO)
1112 if (num_whitelisted)
1114 uword * p = hash_get (conf->device_config_index_by_pci_addr, d->bus_address.as_u32);
1119 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
1123 if (d->vendor_id == 0x1af4 && d->device_id == 0x1000)
1126 else if (d->vendor_id == 0x15ad && d->device_id == 0x07b0)
1128 /* all Intel devices */
1129 else if (d->vendor_id == 0x8086)
1132 else if (d->vendor_id == 0x1137 && d->device_id == 0x0043)
1135 else if (d->vendor_id == 0x1425 && (d->device_id & 0xe000) == 0x4000)
1139 clib_warning ("Unsupported Ethernet PCI device 0x%04x:0x%04x found "
1140 "at PCI address %s\n", (u16) d->vendor_id, (u16) d->device_id,
1145 error = vlib_pci_bind_to_uio (d, (char *) conf->uio_driver_name);
1151 pool_get (conf->dev_confs, devconf);
1152 hash_set (conf->device_config_index_by_pci_addr, d->bus_address.as_u32,
1153 devconf - conf->dev_confs);
1154 devconf->pci_addr.as_u32 = d->bus_address.as_u32;
1156 devconf->is_blacklisted = 1;
1157 clib_error_report (error);
1161 vec_free (pci_addr);
1164 static clib_error_t *
1165 dpdk_device_config (dpdk_config_main_t * conf, vlib_pci_addr_t pci_addr,
1166 unformat_input_t * input, u8 is_default)
1168 clib_error_t *error = 0;
1170 dpdk_device_config_t *devconf;
1171 unformat_input_t sub_input;
1175 devconf = &conf->default_devconf;
1179 p = hash_get (conf->device_config_index_by_pci_addr, pci_addr.as_u32);
1183 pool_get (conf->dev_confs, devconf);
1184 hash_set (conf->device_config_index_by_pci_addr, pci_addr.as_u32,
1185 devconf - conf->dev_confs);
1188 return clib_error_return (0,
1189 "duplicate configuration for PCI address %U",
1190 format_vlib_pci_addr, &pci_addr);
1193 devconf->pci_addr.as_u32 = pci_addr.as_u32;
1194 devconf->hqos_enabled = 0;
1195 dpdk_device_config_hqos_default (&devconf->hqos);
1200 unformat_skip_white_space (input);
1201 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1203 if (unformat (input, "num-rx-queues %u", &devconf->num_rx_queues))
1205 else if (unformat (input, "num-tx-queues %u", &devconf->num_tx_queues))
1207 else if (unformat (input, "num-rx-desc %u", &devconf->num_rx_desc))
1209 else if (unformat (input, "num-tx-desc %u", &devconf->num_tx_desc))
1211 else if (unformat (input, "workers %U", unformat_bitmap_list,
1216 (input, "rss %U", unformat_vlib_cli_sub_input, &sub_input))
1218 error = unformat_rss_fn (&sub_input, &devconf->rss_fn);
1222 else if (unformat (input, "vlan-strip-offload off"))
1223 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_OFF;
1224 else if (unformat (input, "vlan-strip-offload on"))
1225 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_ON;
1228 (input, "hqos %U", unformat_vlib_cli_sub_input, &sub_input))
1230 devconf->hqos_enabled = 1;
1231 error = unformat_hqos (&sub_input, &devconf->hqos);
1235 else if (unformat (input, "hqos"))
1237 devconf->hqos_enabled = 1;
1241 error = clib_error_return (0, "unknown input `%U'",
1242 format_unformat_error, input);
1250 if (devconf->workers && devconf->num_rx_queues == 0)
1251 devconf->num_rx_queues = clib_bitmap_count_set_bits (devconf->workers);
1252 else if (devconf->workers &&
1253 clib_bitmap_count_set_bits (devconf->workers) !=
1254 devconf->num_rx_queues)
1256 clib_error_return (0,
1257 "%U: number of worker threadds must be "
1258 "equal to number of rx queues", format_vlib_pci_addr,
1264 static clib_error_t *
1265 dpdk_config (vlib_main_t * vm, unformat_input_t * input)
1267 clib_error_t *error = 0;
1268 dpdk_main_t *dm = &dpdk_main;
1269 dpdk_config_main_t *conf = &dpdk_config_main;
1270 vlib_thread_main_t *tm = vlib_get_thread_main ();
1271 dpdk_device_config_t *devconf;
1272 vlib_pci_addr_t pci_addr;
1273 unformat_input_t sub_input;
1275 u8 *rte_cmd = 0, *ethname = 0;
1278 int num_whitelisted = 0;
1285 conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
1287 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1289 /* Prime the pump */
1290 if (unformat (input, "no-hugetlb"))
1292 vec_add1 (conf->eal_init_args, (u8 *) "no-huge");
1296 else if (unformat (input, "enable-tcp-udp-checksum"))
1297 conf->enable_tcp_udp_checksum = 1;
1299 else if (unformat (input, "decimal-interface-names"))
1300 conf->interface_name_format_decimal = 1;
1302 else if (unformat (input, "no-multi-seg"))
1303 conf->no_multi_seg = 1;
1305 else if (unformat (input, "enable-cryptodev"))
1306 conf->cryptodev = 1;
1308 else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input,
1312 dpdk_device_config (conf, (vlib_pci_addr_t) (u32) ~ 1, &sub_input,
1320 (input, "dev %U %U", unformat_vlib_pci_addr, &pci_addr,
1321 unformat_vlib_cli_sub_input, &sub_input))
1323 error = dpdk_device_config (conf, pci_addr, &sub_input, 0);
1330 else if (unformat (input, "dev %U", unformat_vlib_pci_addr, &pci_addr))
1332 error = dpdk_device_config (conf, pci_addr, 0, 0);
1339 else if (unformat (input, "num-mbufs %d", &conf->num_mbufs))
1341 else if (unformat (input, "kni %d", &conf->num_kni))
1343 else if (unformat (input, "uio-driver %s", &conf->uio_driver_name))
1345 else if (unformat (input, "socket-mem %s", &socket_mem))
1347 else if (unformat (input, "no-pci"))
1350 tmp = format (0, "--no-pci%c", 0);
1351 vec_add1 (conf->eal_init_args, tmp);
1353 else if (unformat (input, "poll-sleep %d", &dm->poll_sleep))
1357 else if (unformat(input, #a)) \
1359 tmp = format (0, "--%s%c", #a, 0); \
1360 vec_add1 (conf->eal_init_args, tmp); \
1362 foreach_eal_double_hyphen_predicate_arg
1365 else if (unformat(input, #a " %s", &s)) \
1367 if (!strncmp(#a, "huge-dir", 8)) \
1369 else if (!strncmp(#a, "file-prefix", 11)) \
1371 tmp = format (0, "--%s%c", #a, 0); \
1372 vec_add1 (conf->eal_init_args, tmp); \
1374 if (!strncmp(#a, "vdev", 4)) \
1375 if (strstr((char*)s, "af_packet")) \
1376 clib_warning ("af_packet obsoleted. Use CLI 'create host-interface'."); \
1377 vec_add1 (conf->eal_init_args, s); \
1379 foreach_eal_double_hyphen_arg
1382 else if (unformat(input, #a " %s", &s)) \
1384 tmp = format (0, "-%s%c", #b, 0); \
1385 vec_add1 (conf->eal_init_args, tmp); \
1387 vec_add1 (conf->eal_init_args, s); \
1389 foreach_eal_single_hyphen_arg
1392 else if (unformat(input, #a " %s", &s)) \
1394 tmp = format (0, "-%s%c", #b, 0); \
1395 vec_add1 (conf->eal_init_args, tmp); \
1397 vec_add1 (conf->eal_init_args, s); \
1398 conf->a##_set_manually = 1; \
1400 foreach_eal_single_hyphen_mandatory_arg
1402 else if (unformat (input, "default"))
1405 else if (unformat_skip_white_space (input))
1409 error = clib_error_return (0, "unknown input `%U'",
1410 format_unformat_error, input);
1415 if (!conf->uio_driver_name)
1416 conf->uio_driver_name = format (0, "uio_pci_generic%c", 0);
1419 * Use 1G huge pages if available.
1421 if (!no_huge && !huge_dir)
1423 u32 x, *mem_by_socket = 0;
1427 u8 less_than_1g = 1;
1430 umount (DEFAULT_HUGE_DIR);
1432 /* Process "socket-mem" parameter value */
1433 if (vec_len (socket_mem))
1435 unformat_input_t in;
1436 unformat_init_vector (&in, socket_mem);
1437 while (unformat_check_input (&in) != UNFORMAT_END_OF_INPUT)
1439 if (unformat (&in, "%u,", &x))
1441 else if (unformat (&in, "%u", &x))
1443 else if (unformat (&in, ","))
1448 vec_add1 (mem_by_socket, x);
1453 /* Note: unformat_free vec_frees(in.buffer), aka socket_mem... */
1454 unformat_free (&in);
1460 clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
1462 vec_validate(mem_by_socket, c);
1463 mem_by_socket[c] = 256; /* default per-socket mem */
1469 /* check if available enough 1GB pages for each socket */
1471 clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
1473 int pages_avail, page_size, mem;
1475 vec_validate(mem_by_socket, c);
1476 mem = mem_by_socket[c];
1479 pages_avail = vlib_sysfs_get_free_hugepages(c, page_size * 1024);
1481 if (pages_avail < 0 || page_size * pages_avail < mem)
1485 pages_avail = vlib_sysfs_get_free_hugepages(c, page_size * 1024);
1487 if (pages_avail < 0 || page_size * pages_avail < mem)
1492 if (mem_by_socket == 0)
1494 error = clib_error_return (0, "mem_by_socket NULL");
1497 _vec_len (mem_by_socket) = c + 1;
1499 /* regenerate socket_mem string */
1500 vec_foreach_index (x, mem_by_socket)
1501 socket_mem = format (socket_mem, "%s%u",
1502 socket_mem ? "," : "", mem_by_socket[x]);
1503 socket_mem = format (socket_mem, "%c", 0);
1505 vec_free (mem_by_socket);
1507 rv = mkdir (VPP_RUN_DIR, 0755);
1508 if (rv && errno != EEXIST)
1510 error = clib_error_return (0, "mkdir '%s' failed errno %d",
1511 VPP_RUN_DIR, errno);
1515 rv = mkdir (DEFAULT_HUGE_DIR, 0755);
1516 if (rv && errno != EEXIST)
1518 error = clib_error_return (0, "mkdir '%s' failed errno %d",
1519 DEFAULT_HUGE_DIR, errno);
1523 if (use_1g && !(less_than_1g && use_2m))
1526 mount ("none", DEFAULT_HUGE_DIR, "hugetlbfs", 0, "pagesize=1G");
1530 rv = mount ("none", DEFAULT_HUGE_DIR, "hugetlbfs", 0, NULL);
1534 return clib_error_return (0, "not enough free huge pages");
1539 error = clib_error_return (0, "mount failed %d", errno);
1543 tmp = format (0, "--huge-dir%c", 0);
1544 vec_add1 (conf->eal_init_args, tmp);
1545 tmp = format (0, "%s%c", DEFAULT_HUGE_DIR, 0);
1546 vec_add1 (conf->eal_init_args, tmp);
1549 tmp = format (0, "--file-prefix%c", 0);
1550 vec_add1 (conf->eal_init_args, tmp);
1551 tmp = format (0, "vpp%c", 0);
1552 vec_add1 (conf->eal_init_args, tmp);
1562 /* I'll bet that -c and -n must be the first and second args... */
1563 if (!conf->coremask_set_manually)
1565 vlib_thread_registration_t *tr;
1566 uword *coremask = 0;
1569 /* main thread core */
1570 coremask = clib_bitmap_set (coremask, tm->main_lcore, 1);
1572 for (i = 0; i < vec_len (tm->registrations); i++)
1574 tr = tm->registrations[i];
1575 coremask = clib_bitmap_or (coremask, tr->coremask);
1578 vec_insert (conf->eal_init_args, 2, 1);
1579 conf->eal_init_args[1] = (u8 *) "-c";
1580 tmp = format (0, "%U%c", format_bitmap_hex, coremask, 0);
1581 conf->eal_init_args[2] = tmp;
1582 clib_bitmap_free (coremask);
1585 if (!conf->nchannels_set_manually)
1587 vec_insert (conf->eal_init_args, 2, 3);
1588 conf->eal_init_args[3] = (u8 *) "-n";
1589 tmp = format (0, "%d", conf->nchannels);
1590 conf->eal_init_args[4] = tmp;
1593 if (no_pci == 0 && geteuid () == 0)
1594 dpdk_bind_devices_to_uio (conf);
1597 if (devconf->x == 0 && conf->default_devconf.x > 0) \
1598 devconf->x = conf->default_devconf.x ;
1601 pool_foreach (devconf, conf->dev_confs, ({
1603 /* default per-device config items */
1604 foreach_dpdk_device_config_item
1606 /* add DPDK EAL whitelist/blacklist entry */
1607 if (num_whitelisted > 0 && devconf->is_blacklisted == 0)
1609 tmp = format (0, "-w%c", 0);
1610 vec_add1 (conf->eal_init_args, tmp);
1611 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1612 vec_add1 (conf->eal_init_args, tmp);
1614 else if (num_whitelisted == 0 && devconf->is_blacklisted != 0)
1616 tmp = format (0, "-b%c", 0);
1617 vec_add1 (conf->eal_init_args, tmp);
1618 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1619 vec_add1 (conf->eal_init_args, tmp);
1626 /* set master-lcore */
1627 tmp = format (0, "--master-lcore%c", 0);
1628 vec_add1 (conf->eal_init_args, tmp);
1629 tmp = format (0, "%u%c", tm->main_lcore, 0);
1630 vec_add1 (conf->eal_init_args, tmp);
1632 /* set socket-mem */
1633 tmp = format (0, "--socket-mem%c", 0);
1634 vec_add1 (conf->eal_init_args, tmp);
1635 tmp = format (0, "%s%c", socket_mem, 0);
1636 vec_add1 (conf->eal_init_args, tmp);
1638 /* NULL terminate the "argv" vector, in case of stupidity */
1639 vec_add1 (conf->eal_init_args, 0);
1640 _vec_len (conf->eal_init_args) -= 1;
1642 /* Set up DPDK eal and packet mbuf pool early. */
1644 log_level = (CLIB_DEBUG > 0) ? RTE_LOG_DEBUG : RTE_LOG_NOTICE;
1646 rte_set_log_level (log_level);
1648 vm = vlib_get_main ();
1650 /* make copy of args as rte_eal_init tends to mess up with arg array */
1651 for (i = 1; i < vec_len (conf->eal_init_args); i++)
1652 conf->eal_init_args_str = format (conf->eal_init_args_str, "%s ",
1653 conf->eal_init_args[i]);
1656 rte_eal_init (vec_len (conf->eal_init_args),
1657 (char **) conf->eal_init_args);
1659 /* lazy umount hugepages */
1660 umount2 (DEFAULT_HUGE_DIR, MNT_DETACH);
1663 return clib_error_return (0, "rte_eal_init returned %d", ret);
1665 /* Dump the physical memory layout prior to creating the mbuf_pool */
1666 fprintf (stdout, "DPDK physical memory layout:\n");
1667 rte_dump_physmem_layout (stdout);
1669 /* main thread 1st */
1670 error = vlib_buffer_pool_create (vm, conf->num_mbufs, rte_socket_id ());
1674 for (i = 0; i < RTE_MAX_LCORE; i++)
1676 error = vlib_buffer_pool_create (vm, conf->num_mbufs,
1677 rte_lcore_to_socket_id (i));
1686 VLIB_CONFIG_FUNCTION (dpdk_config, "dpdk");
1689 dpdk_update_link_state (dpdk_device_t * xd, f64 now)
1691 vnet_main_t *vnm = vnet_get_main ();
1692 struct rte_eth_link prev_link = xd->link;
1694 u8 hw_flags_chg = 0;
1696 /* only update link state for PMD interfaces */
1697 if ((xd->flags & DPDK_DEVICE_FLAG_PMD) == 0)
1700 xd->time_last_link_update = now ? now : xd->time_last_link_update;
1701 memset (&xd->link, 0, sizeof (xd->link));
1702 rte_eth_link_get_nowait (xd->device_index, &xd->link);
1704 if (LINK_STATE_ELOGS)
1706 vlib_main_t *vm = vlib_get_main ();
1707 ELOG_TYPE_DECLARE (e) =
1710 "update-link-state: sw_if_index %d, admin_up %d,"
1711 "old link_state %d new link_state %d",.format_args = "i4i1i1i1",};
1720 ed = ELOG_DATA (&vm->elog_main, e);
1721 ed->sw_if_index = xd->vlib_sw_if_index;
1722 ed->admin_up = (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) != 0;
1723 ed->old_link_state = (u8)
1724 vnet_hw_interface_is_link_up (vnm, xd->vlib_hw_if_index);
1725 ed->new_link_state = (u8) xd->link.link_status;
1728 if ((xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) &&
1729 ((xd->link.link_status != 0) ^
1730 vnet_hw_interface_is_link_up (vnm, xd->vlib_hw_if_index)))
1733 hw_flags |= (xd->link.link_status ? VNET_HW_INTERFACE_FLAG_LINK_UP : 0);
1736 if (hw_flags_chg || (xd->link.link_duplex != prev_link.link_duplex))
1739 switch (xd->link.link_duplex)
1741 case ETH_LINK_HALF_DUPLEX:
1742 hw_flags |= VNET_HW_INTERFACE_FLAG_HALF_DUPLEX;
1744 case ETH_LINK_FULL_DUPLEX:
1745 hw_flags |= VNET_HW_INTERFACE_FLAG_FULL_DUPLEX;
1751 if (hw_flags_chg || (xd->link.link_speed != prev_link.link_speed))
1754 switch (xd->link.link_speed)
1756 case ETH_SPEED_NUM_10M:
1757 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10M;
1759 case ETH_SPEED_NUM_100M:
1760 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_100M;
1762 case ETH_SPEED_NUM_1G:
1763 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_1G;
1765 case ETH_SPEED_NUM_10G:
1766 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10G;
1768 case ETH_SPEED_NUM_40G:
1769 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_40G;
1774 clib_warning ("unknown link speed %d", xd->link.link_speed);
1780 if (LINK_STATE_ELOGS)
1782 vlib_main_t *vm = vlib_get_main ();
1784 ELOG_TYPE_DECLARE (e) =
1787 "update-link-state: sw_if_index %d, new flags %d",.format_args
1795 ed = ELOG_DATA (&vm->elog_main, e);
1796 ed->sw_if_index = xd->vlib_sw_if_index;
1797 ed->flags = hw_flags;
1799 vnet_hw_interface_set_flags (vnm, xd->vlib_hw_if_index, hw_flags);
1804 dpdk_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
1806 clib_error_t *error;
1807 vnet_main_t *vnm = vnet_get_main ();
1808 dpdk_main_t *dm = &dpdk_main;
1809 ethernet_main_t *em = ðernet_main;
1811 vlib_thread_main_t *tm = vlib_get_thread_main ();
1814 error = dpdk_lib_init (dm);
1817 * Turn on the input node if we found some devices to drive
1818 * and we're not running worker threads or i/o threads
1821 if (error == 0 && vec_len (dm->devices) > 0)
1823 if (tm->n_vlib_mains == 1)
1824 vlib_node_set_state (vm, dpdk_input_node.index,
1825 VLIB_NODE_STATE_POLLING);
1827 for (i = 0; i < tm->n_vlib_mains; i++)
1828 if (vec_len (dm->devices_by_cpu[i]) > 0)
1829 vlib_node_set_state (vlib_mains[i], dpdk_input_node.index,
1830 VLIB_NODE_STATE_POLLING);
1834 clib_error_report (error);
1836 tm->worker_thread_release = 1;
1838 f64 now = vlib_time_now (vm);
1839 vec_foreach (xd, dm->devices)
1841 dpdk_update_link_state (xd, now);
1846 * Extra set up for bond interfaces:
1847 * 1. Setup MACs for bond interfaces and their slave links which was set
1848 * in dpdk_port_setup() but needs to be done again here to take effect.
1849 * 2. Set up info for bond interface related CLI support.
1851 int nports = rte_eth_dev_count ();
1854 for (i = 0; i < nports; i++)
1856 struct rte_eth_dev_info dev_info;
1857 rte_eth_dev_info_get (i, &dev_info);
1858 if (!dev_info.driver_name)
1859 dev_info.driver_name = dev_info.pci_dev->driver->driver.name;
1861 ASSERT (dev_info.driver_name);
1862 if (strncmp (dev_info.driver_name, "rte_bond_pmd", 12) == 0)
1866 int nlink = rte_eth_bond_slaves_get (i, slink, 16);
1869 vnet_hw_interface_t *bhi;
1870 ethernet_interface_t *bei;
1873 /* Get MAC of 1st slave link */
1874 rte_eth_macaddr_get (slink[0],
1875 (struct ether_addr *) addr);
1876 /* Set MAC of bounded interface to that of 1st slave link */
1878 rte_eth_bond_mac_address_set (i,
1879 (struct ether_addr *)
1882 clib_warning ("Failed to set MAC address");
1884 /* Populate MAC of bonded interface in VPP hw tables */
1886 vnet_get_hw_interface (vnm,
1887 dm->devices[i].vlib_hw_if_index);
1889 pool_elt_at_index (em->interfaces, bhi->hw_instance);
1890 clib_memcpy (bhi->hw_address, addr, 6);
1891 clib_memcpy (bei->address, addr, 6);
1892 /* Init l3 packet size allowed on bonded interface */
1893 bhi->max_packet_bytes = ETHERNET_MAX_PACKET_BYTES;
1894 bhi->max_l3_packet_bytes[VLIB_RX] =
1895 bhi->max_l3_packet_bytes[VLIB_TX] =
1896 ETHERNET_MAX_PACKET_BYTES - sizeof (ethernet_header_t);
1898 { /* for all slave links */
1899 int slave = slink[--nlink];
1900 dpdk_device_t *sdev = &dm->devices[slave];
1901 vnet_hw_interface_t *shi;
1902 vnet_sw_interface_t *ssi;
1903 /* Add MAC to all slave links except the first one */
1905 rte_eth_dev_mac_addr_add (slave,
1906 (struct ether_addr *)
1908 /* Set slaves bitmap for bonded interface */
1910 clib_bitmap_set (bhi->bond_info,
1911 sdev->vlib_hw_if_index, 1);
1912 /* Set slave link flags on slave interface */
1914 vnet_get_hw_interface (vnm, sdev->vlib_hw_if_index);
1916 vnet_get_sw_interface (vnm, sdev->vlib_sw_if_index);
1917 shi->bond_info = VNET_HW_INTERFACE_BOND_INFO_SLAVE;
1918 ssi->flags |= VNET_SW_INTERFACE_FLAG_BOND_SLAVE;
1920 /* Set l3 packet size allowed as the lowest of slave */
1921 if (bhi->max_l3_packet_bytes[VLIB_RX] >
1922 shi->max_l3_packet_bytes[VLIB_RX])
1923 bhi->max_l3_packet_bytes[VLIB_RX] =
1924 bhi->max_l3_packet_bytes[VLIB_TX] =
1925 shi->max_l3_packet_bytes[VLIB_RX];
1927 /* Set max packet size allowed as the lowest of slave */
1928 if (bhi->max_packet_bytes > shi->max_packet_bytes)
1929 bhi->max_packet_bytes = shi->max_packet_bytes;
1940 * check each time through the loop in case intervals are changed
1942 f64 min_wait = dm->link_state_poll_interval < dm->stat_poll_interval ?
1943 dm->link_state_poll_interval : dm->stat_poll_interval;
1945 vlib_process_wait_for_event_or_clock (vm, min_wait);
1947 if (dm->admin_up_down_in_progress)
1948 /* skip the poll if an admin up down is in progress (on any interface) */
1951 vec_foreach (xd, dm->devices)
1953 f64 now = vlib_time_now (vm);
1954 if ((now - xd->time_last_stats_update) >= dm->stat_poll_interval)
1955 dpdk_update_counters (xd, now);
1956 if ((now - xd->time_last_link_update) >= dm->link_state_poll_interval)
1957 dpdk_update_link_state (xd, now);
1966 VLIB_REGISTER_NODE (dpdk_process_node,static) = {
1967 .function = dpdk_process,
1968 .type = VLIB_NODE_TYPE_PROCESS,
1969 .name = "dpdk-process",
1970 .process_log2_n_stack_bytes = 17,
1975 dpdk_set_stat_poll_interval (f64 interval)
1977 if (interval < DPDK_MIN_STATS_POLL_INTERVAL)
1978 return (VNET_API_ERROR_INVALID_VALUE);
1980 dpdk_main.stat_poll_interval = interval;
1986 dpdk_set_link_state_poll_interval (f64 interval)
1988 if (interval < DPDK_MIN_LINK_POLL_INTERVAL)
1989 return (VNET_API_ERROR_INVALID_VALUE);
1991 dpdk_main.link_state_poll_interval = interval;
1997 dpdk_init (vlib_main_t * vm)
1999 dpdk_main_t *dm = &dpdk_main;
2001 clib_error_t *error = 0;
2002 vlib_thread_main_t *tm = vlib_get_thread_main ();
2004 /* verify that structs are cacheline aligned */
2005 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline0) == 0,
2006 "Cache line marker must be 1st element in dpdk_device_t");
2007 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline1) ==
2008 CLIB_CACHE_LINE_BYTES,
2009 "Data in cache line 0 is bigger than cache line size");
2010 STATIC_ASSERT (offsetof (frame_queue_trace_t, cacheline0) == 0,
2011 "Cache line marker must be 1st element in frame_queue_trace_t");
2014 name = format (0, "dpdk_%08x%c", api_version, 0);
2016 /* Ask for a correctly-sized block of API message decode slots */
2017 dm->msg_id_base = vl_msg_api_get_msg_ids
2018 ((char *) name, VL_MSG_FIRST_AVAILABLE);
2022 dm->vnet_main = vnet_get_main ();
2023 dm->conf = &dpdk_config_main;
2025 error = dpdk_plugin_api_hookup (vm);
2027 /* Add our API messages to the global name_crc hash table */
2028 setup_message_id_table (dm, &api_main);
2031 // plugin_custom_dump_configure (dm);
2033 ei = vlib_get_node_by_name (vm, (u8 *) "ethernet-input");
2035 return clib_error_return (0, "ethernet-input node AWOL");
2037 dm->ethernet_input_node_index = ei->index;
2039 dm->conf->nchannels = 4;
2040 dm->conf->num_mbufs = dm->conf->num_mbufs ? dm->conf->num_mbufs : NB_MBUF;
2041 vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet");
2043 dm->dpdk_device_by_kni_port_id = hash_create (0, sizeof (uword));
2044 dm->vu_sw_if_index_by_listener_fd = hash_create (0, sizeof (uword));
2045 dm->vu_sw_if_index_by_sock_fd = hash_create (0, sizeof (uword));
2047 /* $$$ use n_thread_stacks since it's known-good at this point */
2048 vec_validate (dm->recycle, tm->n_thread_stacks - 1);
2050 /* Default vlib_buffer_t flags, DISABLES tcp/udp checksumming... */
2051 dm->buffer_flags_template =
2052 (VLIB_BUFFER_TOTAL_LENGTH_VALID | VLIB_BUFFER_EXT_HDR_VALID
2053 | IP_BUFFER_L4_CHECKSUM_COMPUTED | IP_BUFFER_L4_CHECKSUM_CORRECT);
2055 dm->stat_poll_interval = DPDK_STATS_POLL_INTERVAL;
2056 dm->link_state_poll_interval = DPDK_LINK_POLL_INTERVAL;
2059 if ((error = vlib_call_init_function (vm, dpdk_cli_init)))
2065 VLIB_INIT_FUNCTION (dpdk_init);
2069 * fd.io coding-style-patch-verification: ON
2072 * eval: (c-set-style "gnu")