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 (vlib_get_thread_index () == 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 u8 bond_ether_port_id = 0;
520 last_pci_addr.as_u32 = ~0;
522 dm->input_cpu_first_index = 0;
523 dm->input_cpu_count = 1;
525 /* find out which cpus will be used for input */
526 p = hash_get_mem (tm->thread_registrations_by_name, "workers");
527 tr = p ? (vlib_thread_registration_t *) p[0] : 0;
529 if (tr && tr->count > 0)
531 dm->input_cpu_first_index = tr->first_index;
532 dm->input_cpu_count = tr->count;
535 vec_validate_aligned (dm->devices_by_cpu, tm->n_vlib_mains - 1,
536 CLIB_CACHE_LINE_BYTES);
538 dm->hqos_cpu_first_index = 0;
539 dm->hqos_cpu_count = 0;
541 /* find out which cpus will be used for I/O TX */
542 p_hqos = hash_get_mem (tm->thread_registrations_by_name, "hqos-threads");
543 tr_hqos = p_hqos ? (vlib_thread_registration_t *) p_hqos[0] : 0;
545 if (tr_hqos && tr_hqos->count > 0)
547 dm->hqos_cpu_first_index = tr_hqos->first_index;
548 dm->hqos_cpu_count = tr_hqos->count;
551 vec_validate_aligned (dm->devices_by_hqos_cpu, tm->n_vlib_mains - 1,
552 CLIB_CACHE_LINE_BYTES);
554 nports = rte_eth_dev_count ();
557 clib_warning ("DPDK drivers found no ports...");
561 clib_warning ("DPDK drivers found %d ports...", nports);
564 * All buffers are all allocated from the same rte_mempool.
565 * Thus they all have the same number of data bytes.
567 dm->vlib_buffer_free_list_index =
568 vlib_buffer_get_or_create_free_list (vm,
569 VLIB_BUFFER_DEFAULT_FREE_LIST_BYTES,
572 if (dm->conf->enable_tcp_udp_checksum)
573 dm->buffer_flags_template &= ~(IP_BUFFER_L4_CHECKSUM_CORRECT
574 | IP_BUFFER_L4_CHECKSUM_COMPUTED);
576 /* vlib_buffer_t template */
577 vec_validate_aligned (dm->buffer_templates, tm->n_vlib_mains - 1,
578 CLIB_CACHE_LINE_BYTES);
579 for (i = 0; i < tm->n_vlib_mains; i++)
581 vlib_buffer_free_list_t *fl;
582 vlib_buffer_t *bt = vec_elt_at_index (dm->buffer_templates, i);
583 fl = vlib_buffer_get_free_list (vm,
584 VLIB_BUFFER_DEFAULT_FREE_LIST_INDEX);
585 vlib_buffer_init_for_free_list (bt, fl);
586 bt->flags = dm->buffer_flags_template;
587 bt->current_data = -RTE_PKTMBUF_HEADROOM;
588 vnet_buffer (bt)->sw_if_index[VLIB_TX] = (u32) ~ 0;
591 for (i = 0; i < nports; i++)
596 struct rte_eth_dev_info dev_info;
598 struct rte_eth_link l;
599 dpdk_device_config_t *devconf = 0;
600 vlib_pci_addr_t pci_addr;
603 rte_eth_dev_info_get (i, &dev_info);
604 if (dev_info.pci_dev) /* bonded interface has no pci info */
606 pci_addr.domain = dev_info.pci_dev->addr.domain;
607 pci_addr.bus = dev_info.pci_dev->addr.bus;
608 pci_addr.slot = dev_info.pci_dev->addr.devid;
609 pci_addr.function = dev_info.pci_dev->addr.function;
611 hash_get (dm->conf->device_config_index_by_pci_addr,
616 devconf = pool_elt_at_index (dm->conf->dev_confs, p[0]);
618 devconf = &dm->conf->default_devconf;
620 /* Create vnet interface */
621 vec_add2_aligned (dm->devices, xd, 1, CLIB_CACHE_LINE_BYTES);
622 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
623 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
624 xd->cpu_socket = (i8) rte_eth_dev_socket_id (i);
626 /* Handle interface naming for devices with multiple ports sharing same PCI ID */
627 if (dev_info.pci_dev)
629 struct rte_eth_dev_info di = { 0 };
630 rte_eth_dev_info_get (i + 1, &di);
631 if (di.pci_dev && pci_addr.as_u32 != last_pci_addr.as_u32 &&
632 memcmp (&dev_info.pci_dev->addr, &di.pci_dev->addr,
633 sizeof (struct rte_pci_addr)) == 0)
635 xd->interface_name_suffix = format (0, "0");
636 last_pci_addr.as_u32 = pci_addr.as_u32;
637 last_pci_addr_port = i;
639 else if (pci_addr.as_u32 == last_pci_addr.as_u32)
641 xd->interface_name_suffix =
642 format (0, "%u", i - last_pci_addr_port);
646 last_pci_addr.as_u32 = ~0;
650 last_pci_addr.as_u32 = ~0;
652 clib_memcpy (&xd->tx_conf, &dev_info.default_txconf,
653 sizeof (struct rte_eth_txconf));
654 if (dm->conf->no_multi_seg)
656 xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
657 port_conf_template.rxmode.jumbo_frame = 0;
661 xd->tx_conf.txq_flags &= ~ETH_TXQ_FLAGS_NOMULTSEGS;
662 port_conf_template.rxmode.jumbo_frame = 1;
663 xd->flags |= DPDK_DEVICE_FLAG_MAYBE_MULTISEG;
666 clib_memcpy (&xd->port_conf, &port_conf_template,
667 sizeof (struct rte_eth_conf));
669 xd->tx_q_used = clib_min (dev_info.max_tx_queues, tm->n_vlib_mains);
671 if (devconf->num_tx_queues > 0
672 && devconf->num_tx_queues < xd->tx_q_used)
673 xd->tx_q_used = clib_min (xd->tx_q_used, devconf->num_tx_queues);
675 if (devconf->num_rx_queues > 1 && dm->use_rss == 0)
680 if (devconf->num_rx_queues > 1
681 && dev_info.max_rx_queues >= devconf->num_rx_queues)
683 xd->rx_q_used = devconf->num_rx_queues;
684 xd->port_conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
685 if (devconf->rss_fn == 0)
686 xd->port_conf.rx_adv_conf.rss_conf.rss_hf =
687 ETH_RSS_IP | ETH_RSS_UDP | ETH_RSS_TCP;
689 xd->port_conf.rx_adv_conf.rss_conf.rss_hf = devconf->rss_fn;
694 xd->flags |= DPDK_DEVICE_FLAG_PMD;
696 /* workaround for drivers not setting driver_name */
697 if ((!dev_info.driver_name) && (dev_info.pci_dev))
698 dev_info.driver_name = dev_info.pci_dev->driver->driver.name;
700 ASSERT (dev_info.driver_name);
706 #define _(s,f) else if (dev_info.driver_name && \
707 !strcmp(dev_info.driver_name, s)) \
708 xd->pmd = VNET_DPDK_PMD_##f;
714 xd->pmd = VNET_DPDK_PMD_UNKNOWN;
716 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
717 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
718 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
723 case VNET_DPDK_PMD_E1000EM:
724 case VNET_DPDK_PMD_IGB:
725 case VNET_DPDK_PMD_IGBVF:
726 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
730 case VNET_DPDK_PMD_IXGBE:
731 case VNET_DPDK_PMD_IXGBEVF:
732 case VNET_DPDK_PMD_THUNDERX:
733 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
735 case VNET_DPDK_PMD_DPAA2:
736 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
740 case VNET_DPDK_PMD_ENIC:
741 rte_eth_link_get_nowait (i, &l);
742 xd->flags |= DPDK_DEVICE_FLAG_PMD_SUPPORTS_PTYPE;
743 if (l.link_speed == 40000)
744 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
746 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
749 /* Intel Fortville */
750 case VNET_DPDK_PMD_I40E:
751 case VNET_DPDK_PMD_I40EVF:
752 xd->flags |= DPDK_DEVICE_FLAG_PMD_SUPPORTS_PTYPE;
753 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
755 switch (dev_info.pci_dev->id.device_id)
757 case I40E_DEV_ID_10G_BASE_T:
758 case I40E_DEV_ID_SFP_XL710:
759 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
761 case I40E_DEV_ID_QSFP_A:
762 case I40E_DEV_ID_QSFP_B:
763 case I40E_DEV_ID_QSFP_C:
764 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
767 rte_eth_link_get_nowait (i, &l);
768 xd->port_type = l.link_speed == 10000 ?
769 VNET_DPDK_PORT_TYPE_ETH_10G : VNET_DPDK_PORT_TYPE_ETH_40G;
772 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
776 case VNET_DPDK_PMD_CXGBE:
777 switch (dev_info.pci_dev->id.device_id)
779 case 0x540d: /* T580-CR */
780 case 0x5410: /* T580-LP-cr */
781 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
783 case 0x5403: /* T540-CR */
784 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
787 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
791 case VNET_DPDK_PMD_MLX5:
793 char *pn_100g[] = { "MCX415A-CCAT", "MCX416A-CCAT",
794 "MCX556A-ECAT", "MCX556A-EDAT", "MCX555A-ECAT",
795 "MCX515A-CCAT", "MCX516A-CCAT", "MCX516A-CDAT", 0
797 char *pn_40g[] = { "MCX413A-BCAT", "MCX414A-BCAT",
798 "MCX415A-BCAT", "MCX416A-BCAT", "MCX4131A-BCAT", 0
800 char *pn_10g[] = { "MCX4111A-XCAT", "MCX4121A-XCAT", 0 };
802 vlib_pci_device_t *pd = vlib_get_pci_device (&pci_addr);
806 pn = format (0, "%U%c",
807 format_vlib_pci_vpd, pd->vpd_r, "PN", 0);
813 while (!found && c[0])
815 if (strncmp ((char *) pn, c[0], strlen (c[0])) == 0)
817 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_100G;
824 while (!found && c[0])
826 if (strncmp ((char *) pn, c[0], strlen (c[0])) == 0)
828 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
835 while (!found && c[0])
837 if (strncmp ((char *) pn, c[0], strlen (c[0])) == 0)
839 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
849 /* Intel Red Rock Canyon */
850 case VNET_DPDK_PMD_FM10K:
851 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_SWITCH;
855 case VNET_DPDK_PMD_VIRTIO:
856 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
857 xd->nb_rx_desc = DPDK_NB_RX_DESC_VIRTIO;
858 xd->nb_tx_desc = DPDK_NB_TX_DESC_VIRTIO;
862 case VNET_DPDK_PMD_VMXNET3:
863 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
864 xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
867 case VNET_DPDK_PMD_AF_PACKET:
868 xd->port_type = VNET_DPDK_PORT_TYPE_AF_PACKET;
869 xd->port_id = af_packet_port_id++;
872 case VNET_DPDK_PMD_BOND:
873 xd->flags |= DPDK_DEVICE_FLAG_PMD_SUPPORTS_PTYPE;
874 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_BOND;
875 xd->port_id = bond_ether_port_id++;
879 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
882 if (devconf->num_rx_desc)
883 xd->nb_rx_desc = devconf->num_rx_desc;
885 if (devconf->num_tx_desc)
886 xd->nb_tx_desc = devconf->num_tx_desc;
890 * Ensure default mtu is not > the mtu read from the hardware.
891 * Otherwise rte_eth_dev_configure() will fail and the port will
894 if (ETHERNET_MAX_PACKET_BYTES > dev_info.max_rx_pktlen)
897 * This device does not support the platforms's max frame
898 * size. Use it's advertised mru instead.
900 xd->port_conf.rxmode.max_rx_pkt_len = dev_info.max_rx_pktlen;
904 xd->port_conf.rxmode.max_rx_pkt_len = ETHERNET_MAX_PACKET_BYTES;
907 * Some platforms do not account for Ethernet FCS (4 bytes) in
908 * MTU calculations. To interop with them increase mru but only
909 * if the device's settings can support it.
911 if ((dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES + 4)) &&
912 xd->port_conf.rxmode.hw_strip_crc)
915 * Allow additional 4 bytes (for Ethernet FCS). These bytes are
916 * stripped by h/w and so will not consume any buffer memory.
918 xd->port_conf.rxmode.max_rx_pkt_len += 4;
922 if (xd->pmd == VNET_DPDK_PMD_AF_PACKET)
924 f64 now = vlib_time_now (vm);
926 rnd = (u32) (now * 1e6);
927 rnd = random_u32 (&rnd);
928 clib_memcpy (addr + 2, &rnd, sizeof (rnd));
933 rte_eth_macaddr_get (i, (struct ether_addr *) addr);
935 if (xd->tx_q_used < tm->n_vlib_mains)
936 dpdk_device_lock_init (xd);
938 xd->device_index = xd - dm->devices;
939 ASSERT (i == xd->device_index);
940 xd->per_interface_next_index = ~0;
942 /* assign interface to input thread */
943 dpdk_device_and_queue_t *dq;
946 if (devconf->workers)
951 clib_bitmap_foreach (i, devconf->workers, ({
952 int cpu = dm->input_cpu_first_index + i;
953 unsigned lcore = vlib_worker_threads[cpu].lcore_id;
954 vec_validate(xd->cpu_socket_id_by_queue, q);
955 xd->cpu_socket_id_by_queue[q] = rte_lcore_to_socket_id(lcore);
956 vec_add2(dm->devices_by_cpu[cpu], dq, 1);
957 dq->device = xd->device_index;
963 for (q = 0; q < xd->rx_q_used; q++)
965 int cpu = dm->input_cpu_first_index + next_cpu;
966 unsigned lcore = vlib_worker_threads[cpu].lcore_id;
969 * numa node for worker thread handling this queue
970 * needed for taking buffers from the right mempool
972 vec_validate (xd->cpu_socket_id_by_queue, q);
973 xd->cpu_socket_id_by_queue[q] = rte_lcore_to_socket_id (lcore);
976 * construct vector of (device,queue) pairs for each worker thread
978 vec_add2 (dm->devices_by_cpu[cpu], dq, 1);
979 dq->device = xd->device_index;
983 if (next_cpu == dm->input_cpu_count)
988 if (devconf->hqos_enabled)
990 xd->flags |= DPDK_DEVICE_FLAG_HQOS;
992 if (devconf->hqos.hqos_thread_valid)
994 int cpu = dm->hqos_cpu_first_index + devconf->hqos.hqos_thread;
996 if (devconf->hqos.hqos_thread >= dm->hqos_cpu_count)
997 return clib_error_return (0, "invalid HQoS thread index");
999 vec_add2 (dm->devices_by_hqos_cpu[cpu], dq, 1);
1000 dq->device = xd->device_index;
1005 int cpu = dm->hqos_cpu_first_index + next_hqos_cpu;
1007 if (dm->hqos_cpu_count == 0)
1008 return clib_error_return (0, "no HQoS threads available");
1010 vec_add2 (dm->devices_by_hqos_cpu[cpu], dq, 1);
1011 dq->device = xd->device_index;
1015 if (next_hqos_cpu == dm->hqos_cpu_count)
1018 devconf->hqos.hqos_thread_valid = 1;
1019 devconf->hqos.hqos_thread = cpu;
1023 vec_validate_aligned (xd->tx_vectors, tm->n_vlib_mains,
1024 CLIB_CACHE_LINE_BYTES);
1025 for (j = 0; j < tm->n_vlib_mains; j++)
1027 vec_validate_ha (xd->tx_vectors[j], xd->nb_tx_desc,
1028 sizeof (tx_ring_hdr_t), CLIB_CACHE_LINE_BYTES);
1029 vec_reset_length (xd->tx_vectors[j]);
1032 vec_validate_aligned (xd->rx_vectors, xd->rx_q_used,
1033 CLIB_CACHE_LINE_BYTES);
1034 for (j = 0; j < xd->rx_q_used; j++)
1036 vec_validate_aligned (xd->rx_vectors[j], VLIB_FRAME_SIZE - 1,
1037 CLIB_CACHE_LINE_BYTES);
1038 vec_reset_length (xd->rx_vectors[j]);
1041 vec_validate_aligned (xd->d_trace_buffers, tm->n_vlib_mains,
1042 CLIB_CACHE_LINE_BYTES);
1044 rv = dpdk_port_setup (dm, xd);
1049 if (devconf->hqos_enabled)
1051 rv = dpdk_port_setup_hqos (xd, &devconf->hqos);
1056 /* count the number of descriptors used for this device */
1057 nb_desc += xd->nb_rx_desc + xd->nb_tx_desc * xd->tx_q_used;
1059 error = ethernet_register_interface
1060 (dm->vnet_main, dpdk_device_class.index, xd->device_index,
1061 /* ethernet address */ addr,
1062 &xd->vlib_hw_if_index, dpdk_flag_change);
1066 sw = vnet_get_hw_sw_interface (dm->vnet_main, xd->vlib_hw_if_index);
1067 xd->vlib_sw_if_index = sw->sw_if_index;
1068 hi = vnet_get_hw_interface (dm->vnet_main, xd->vlib_hw_if_index);
1071 * DAW-FIXME: The Cisco VIC firmware does not provide an api for a
1072 * driver to dynamically change the mtu. If/when the
1073 * VIC firmware gets fixed, then this should be removed.
1075 if (xd->pmd == VNET_DPDK_PMD_ENIC)
1078 * Initialize mtu to what has been set by CIMC in the firmware cfg.
1080 hi->max_packet_bytes = dev_info.max_rx_pktlen;
1081 if (devconf->vlan_strip_offload != DPDK_DEVICE_VLAN_STRIP_OFF)
1082 vlan_strip = 1; /* remove vlan tag from VIC port by default */
1084 clib_warning ("VLAN strip disabled for interface\n");
1086 else if (devconf->vlan_strip_offload == DPDK_DEVICE_VLAN_STRIP_ON)
1092 vlan_off = rte_eth_dev_get_vlan_offload (xd->device_index);
1093 vlan_off |= ETH_VLAN_STRIP_OFFLOAD;
1094 xd->port_conf.rxmode.hw_vlan_strip = vlan_off;
1095 if (rte_eth_dev_set_vlan_offload (xd->device_index, vlan_off) == 0)
1096 clib_warning ("VLAN strip enabled for interface\n");
1098 clib_warning ("VLAN strip cannot be supported by interface\n");
1101 hi->max_l3_packet_bytes[VLIB_RX] = hi->max_l3_packet_bytes[VLIB_TX] =
1102 xd->port_conf.rxmode.max_rx_pkt_len - sizeof (ethernet_header_t);
1104 rte_eth_dev_set_mtu (xd->device_index, hi->max_packet_bytes);
1107 if (nb_desc > dm->conf->num_mbufs)
1108 clib_warning ("%d mbufs allocated but total rx/tx ring size is %d\n",
1109 dm->conf->num_mbufs, nb_desc);
1115 dpdk_bind_devices_to_uio (dpdk_config_main_t * conf)
1117 vlib_pci_main_t *pm = &pci_main;
1118 clib_error_t *error;
1119 vlib_pci_device_t *d;
1121 int num_whitelisted = vec_len (conf->dev_confs);
1124 pool_foreach (d, pm->pci_devs, ({
1125 dpdk_device_config_t * devconf = 0;
1126 vec_reset_length (pci_addr);
1127 pci_addr = format (pci_addr, "%U%c", format_vlib_pci_addr, &d->bus_address, 0);
1129 if (d->device_class != PCI_CLASS_NETWORK_ETHERNET && d->device_class != PCI_CLASS_PROCESSOR_CO)
1132 if (num_whitelisted)
1134 uword * p = hash_get (conf->device_config_index_by_pci_addr, d->bus_address.as_u32);
1139 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
1143 if (d->vendor_id == 0x1af4 && d->device_id == 0x1000)
1146 else if (d->vendor_id == 0x15ad && d->device_id == 0x07b0)
1148 /* all Intel network devices */
1149 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_NETWORK_ETHERNET)
1151 /* all Intel QAT devices VFs */
1152 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_PROCESSOR_CO &&
1153 (d->device_id == 0x0443 || d->device_id == 0x37c9 || d->device_id == 0x19e3))
1156 else if (d->vendor_id == 0x1137 && d->device_id == 0x0043)
1159 else if (d->vendor_id == 0x1425 && (d->device_id & 0xe000) == 0x4000)
1163 clib_warning ("Unsupported PCI device 0x%04x:0x%04x found "
1164 "at PCI address %s\n", (u16) d->vendor_id, (u16) d->device_id,
1169 error = vlib_pci_bind_to_uio (d, (char *) conf->uio_driver_name);
1175 pool_get (conf->dev_confs, devconf);
1176 hash_set (conf->device_config_index_by_pci_addr, d->bus_address.as_u32,
1177 devconf - conf->dev_confs);
1178 devconf->pci_addr.as_u32 = d->bus_address.as_u32;
1180 devconf->is_blacklisted = 1;
1181 clib_error_report (error);
1185 vec_free (pci_addr);
1188 static clib_error_t *
1189 dpdk_device_config (dpdk_config_main_t * conf, vlib_pci_addr_t pci_addr,
1190 unformat_input_t * input, u8 is_default)
1192 clib_error_t *error = 0;
1194 dpdk_device_config_t *devconf;
1195 unformat_input_t sub_input;
1199 devconf = &conf->default_devconf;
1203 p = hash_get (conf->device_config_index_by_pci_addr, pci_addr.as_u32);
1207 pool_get (conf->dev_confs, devconf);
1208 hash_set (conf->device_config_index_by_pci_addr, pci_addr.as_u32,
1209 devconf - conf->dev_confs);
1212 return clib_error_return (0,
1213 "duplicate configuration for PCI address %U",
1214 format_vlib_pci_addr, &pci_addr);
1217 devconf->pci_addr.as_u32 = pci_addr.as_u32;
1218 devconf->hqos_enabled = 0;
1219 dpdk_device_config_hqos_default (&devconf->hqos);
1224 unformat_skip_white_space (input);
1225 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1227 if (unformat (input, "num-rx-queues %u", &devconf->num_rx_queues))
1229 else if (unformat (input, "num-tx-queues %u", &devconf->num_tx_queues))
1231 else if (unformat (input, "num-rx-desc %u", &devconf->num_rx_desc))
1233 else if (unformat (input, "num-tx-desc %u", &devconf->num_tx_desc))
1235 else if (unformat (input, "workers %U", unformat_bitmap_list,
1240 (input, "rss %U", unformat_vlib_cli_sub_input, &sub_input))
1242 error = unformat_rss_fn (&sub_input, &devconf->rss_fn);
1246 else if (unformat (input, "vlan-strip-offload off"))
1247 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_OFF;
1248 else if (unformat (input, "vlan-strip-offload on"))
1249 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_ON;
1252 (input, "hqos %U", unformat_vlib_cli_sub_input, &sub_input))
1254 devconf->hqos_enabled = 1;
1255 error = unformat_hqos (&sub_input, &devconf->hqos);
1259 else if (unformat (input, "hqos"))
1261 devconf->hqos_enabled = 1;
1265 error = clib_error_return (0, "unknown input `%U'",
1266 format_unformat_error, input);
1274 if (devconf->workers && devconf->num_rx_queues == 0)
1275 devconf->num_rx_queues = clib_bitmap_count_set_bits (devconf->workers);
1276 else if (devconf->workers &&
1277 clib_bitmap_count_set_bits (devconf->workers) !=
1278 devconf->num_rx_queues)
1280 clib_error_return (0,
1281 "%U: number of worker threadds must be "
1282 "equal to number of rx queues", format_vlib_pci_addr,
1288 static clib_error_t *
1289 dpdk_config (vlib_main_t * vm, unformat_input_t * input)
1291 clib_error_t *error = 0;
1292 dpdk_main_t *dm = &dpdk_main;
1293 dpdk_config_main_t *conf = &dpdk_config_main;
1294 vlib_thread_main_t *tm = vlib_get_thread_main ();
1295 dpdk_device_config_t *devconf;
1296 vlib_pci_addr_t pci_addr;
1297 unformat_input_t sub_input;
1299 u8 *rte_cmd = 0, *ethname = 0;
1302 int num_whitelisted = 0;
1309 conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
1311 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1313 /* Prime the pump */
1314 if (unformat (input, "no-hugetlb"))
1316 vec_add1 (conf->eal_init_args, (u8 *) "no-huge");
1320 else if (unformat (input, "enable-tcp-udp-checksum"))
1321 conf->enable_tcp_udp_checksum = 1;
1323 else if (unformat (input, "decimal-interface-names"))
1324 conf->interface_name_format_decimal = 1;
1326 else if (unformat (input, "no-multi-seg"))
1327 conf->no_multi_seg = 1;
1329 else if (unformat (input, "enable-cryptodev"))
1330 conf->cryptodev = 1;
1332 else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input,
1336 dpdk_device_config (conf, (vlib_pci_addr_t) (u32) ~ 1, &sub_input,
1344 (input, "dev %U %U", unformat_vlib_pci_addr, &pci_addr,
1345 unformat_vlib_cli_sub_input, &sub_input))
1347 error = dpdk_device_config (conf, pci_addr, &sub_input, 0);
1354 else if (unformat (input, "dev %U", unformat_vlib_pci_addr, &pci_addr))
1356 error = dpdk_device_config (conf, pci_addr, 0, 0);
1363 else if (unformat (input, "num-mbufs %d", &conf->num_mbufs))
1365 else if (unformat (input, "kni %d", &conf->num_kni))
1367 else if (unformat (input, "uio-driver %s", &conf->uio_driver_name))
1369 else if (unformat (input, "socket-mem %s", &socket_mem))
1371 else if (unformat (input, "no-pci"))
1374 tmp = format (0, "--no-pci%c", 0);
1375 vec_add1 (conf->eal_init_args, tmp);
1377 else if (unformat (input, "poll-sleep %d", &dm->poll_sleep_usec))
1381 else if (unformat(input, #a)) \
1383 tmp = format (0, "--%s%c", #a, 0); \
1384 vec_add1 (conf->eal_init_args, tmp); \
1386 foreach_eal_double_hyphen_predicate_arg
1389 else if (unformat(input, #a " %s", &s)) \
1391 if (!strncmp(#a, "huge-dir", 8)) \
1393 else if (!strncmp(#a, "file-prefix", 11)) \
1395 tmp = format (0, "--%s%c", #a, 0); \
1396 vec_add1 (conf->eal_init_args, tmp); \
1398 if (!strncmp(#a, "vdev", 4)) \
1399 if (strstr((char*)s, "af_packet")) \
1400 clib_warning ("af_packet obsoleted. Use CLI 'create host-interface'."); \
1401 vec_add1 (conf->eal_init_args, s); \
1403 foreach_eal_double_hyphen_arg
1406 else if (unformat(input, #a " %s", &s)) \
1408 tmp = format (0, "-%s%c", #b, 0); \
1409 vec_add1 (conf->eal_init_args, tmp); \
1411 vec_add1 (conf->eal_init_args, s); \
1413 foreach_eal_single_hyphen_arg
1416 else if (unformat(input, #a " %s", &s)) \
1418 tmp = format (0, "-%s%c", #b, 0); \
1419 vec_add1 (conf->eal_init_args, tmp); \
1421 vec_add1 (conf->eal_init_args, s); \
1422 conf->a##_set_manually = 1; \
1424 foreach_eal_single_hyphen_mandatory_arg
1426 else if (unformat (input, "default"))
1429 else if (unformat_skip_white_space (input))
1433 error = clib_error_return (0, "unknown input `%U'",
1434 format_unformat_error, input);
1439 if (!conf->uio_driver_name)
1440 conf->uio_driver_name = format (0, "uio_pci_generic%c", 0);
1443 * Use 1G huge pages if available.
1445 if (!no_huge && !huge_dir)
1447 u32 x, *mem_by_socket = 0;
1451 u8 less_than_1g = 1;
1454 umount (DEFAULT_HUGE_DIR);
1456 /* Process "socket-mem" parameter value */
1457 if (vec_len (socket_mem))
1459 unformat_input_t in;
1460 unformat_init_vector (&in, socket_mem);
1461 while (unformat_check_input (&in) != UNFORMAT_END_OF_INPUT)
1463 if (unformat (&in, "%u,", &x))
1465 else if (unformat (&in, "%u", &x))
1467 else if (unformat (&in, ","))
1472 vec_add1 (mem_by_socket, x);
1477 /* Note: unformat_free vec_frees(in.buffer), aka socket_mem... */
1478 unformat_free (&in);
1484 clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
1486 vec_validate(mem_by_socket, c);
1487 mem_by_socket[c] = 256; /* default per-socket mem */
1493 /* check if available enough 1GB pages for each socket */
1495 clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
1497 int pages_avail, page_size, mem;
1499 vec_validate(mem_by_socket, c);
1500 mem = mem_by_socket[c];
1503 pages_avail = vlib_sysfs_get_free_hugepages(c, page_size * 1024);
1505 if (pages_avail < 0 || page_size * pages_avail < mem)
1509 pages_avail = vlib_sysfs_get_free_hugepages(c, page_size * 1024);
1511 if (pages_avail < 0 || page_size * pages_avail < mem)
1516 if (mem_by_socket == 0)
1518 error = clib_error_return (0, "mem_by_socket NULL");
1521 _vec_len (mem_by_socket) = c + 1;
1523 /* regenerate socket_mem string */
1524 vec_foreach_index (x, mem_by_socket)
1525 socket_mem = format (socket_mem, "%s%u",
1526 socket_mem ? "," : "", mem_by_socket[x]);
1527 socket_mem = format (socket_mem, "%c", 0);
1529 vec_free (mem_by_socket);
1531 rv = mkdir (VPP_RUN_DIR, 0755);
1532 if (rv && errno != EEXIST)
1534 error = clib_error_return (0, "mkdir '%s' failed errno %d",
1535 VPP_RUN_DIR, errno);
1539 rv = mkdir (DEFAULT_HUGE_DIR, 0755);
1540 if (rv && errno != EEXIST)
1542 error = clib_error_return (0, "mkdir '%s' failed errno %d",
1543 DEFAULT_HUGE_DIR, errno);
1547 if (use_1g && !(less_than_1g && use_2m))
1550 mount ("none", DEFAULT_HUGE_DIR, "hugetlbfs", 0, "pagesize=1G");
1554 rv = mount ("none", DEFAULT_HUGE_DIR, "hugetlbfs", 0, NULL);
1558 return clib_error_return (0, "not enough free huge pages");
1563 error = clib_error_return (0, "mount failed %d", errno);
1567 tmp = format (0, "--huge-dir%c", 0);
1568 vec_add1 (conf->eal_init_args, tmp);
1569 tmp = format (0, "%s%c", DEFAULT_HUGE_DIR, 0);
1570 vec_add1 (conf->eal_init_args, tmp);
1573 tmp = format (0, "--file-prefix%c", 0);
1574 vec_add1 (conf->eal_init_args, tmp);
1575 tmp = format (0, "vpp%c", 0);
1576 vec_add1 (conf->eal_init_args, tmp);
1586 /* I'll bet that -c and -n must be the first and second args... */
1587 if (!conf->coremask_set_manually)
1589 vlib_thread_registration_t *tr;
1590 uword *coremask = 0;
1593 /* main thread core */
1594 coremask = clib_bitmap_set (coremask, tm->main_lcore, 1);
1596 for (i = 0; i < vec_len (tm->registrations); i++)
1598 tr = tm->registrations[i];
1599 coremask = clib_bitmap_or (coremask, tr->coremask);
1602 vec_insert (conf->eal_init_args, 2, 1);
1603 conf->eal_init_args[1] = (u8 *) "-c";
1604 tmp = format (0, "%U%c", format_bitmap_hex, coremask, 0);
1605 conf->eal_init_args[2] = tmp;
1606 clib_bitmap_free (coremask);
1609 if (!conf->nchannels_set_manually)
1611 vec_insert (conf->eal_init_args, 2, 3);
1612 conf->eal_init_args[3] = (u8 *) "-n";
1613 tmp = format (0, "%d", conf->nchannels);
1614 conf->eal_init_args[4] = tmp;
1617 if (no_pci == 0 && geteuid () == 0)
1618 dpdk_bind_devices_to_uio (conf);
1621 if (devconf->x == 0 && conf->default_devconf.x > 0) \
1622 devconf->x = conf->default_devconf.x ;
1625 pool_foreach (devconf, conf->dev_confs, ({
1627 /* default per-device config items */
1628 foreach_dpdk_device_config_item
1630 /* add DPDK EAL whitelist/blacklist entry */
1631 if (num_whitelisted > 0 && devconf->is_blacklisted == 0)
1633 tmp = format (0, "-w%c", 0);
1634 vec_add1 (conf->eal_init_args, tmp);
1635 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1636 vec_add1 (conf->eal_init_args, tmp);
1638 else if (num_whitelisted == 0 && devconf->is_blacklisted != 0)
1640 tmp = format (0, "-b%c", 0);
1641 vec_add1 (conf->eal_init_args, tmp);
1642 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1643 vec_add1 (conf->eal_init_args, tmp);
1650 /* set master-lcore */
1651 tmp = format (0, "--master-lcore%c", 0);
1652 vec_add1 (conf->eal_init_args, tmp);
1653 tmp = format (0, "%u%c", tm->main_lcore, 0);
1654 vec_add1 (conf->eal_init_args, tmp);
1656 /* set socket-mem */
1657 tmp = format (0, "--socket-mem%c", 0);
1658 vec_add1 (conf->eal_init_args, tmp);
1659 tmp = format (0, "%s%c", socket_mem, 0);
1660 vec_add1 (conf->eal_init_args, tmp);
1662 /* NULL terminate the "argv" vector, in case of stupidity */
1663 vec_add1 (conf->eal_init_args, 0);
1664 _vec_len (conf->eal_init_args) -= 1;
1666 /* Set up DPDK eal and packet mbuf pool early. */
1668 log_level = (CLIB_DEBUG > 0) ? RTE_LOG_DEBUG : RTE_LOG_NOTICE;
1670 rte_set_log_level (log_level);
1672 vm = vlib_get_main ();
1674 /* make copy of args as rte_eal_init tends to mess up with arg array */
1675 for (i = 1; i < vec_len (conf->eal_init_args); i++)
1676 conf->eal_init_args_str = format (conf->eal_init_args_str, "%s ",
1677 conf->eal_init_args[i]);
1680 rte_eal_init (vec_len (conf->eal_init_args),
1681 (char **) conf->eal_init_args);
1683 /* lazy umount hugepages */
1684 umount2 (DEFAULT_HUGE_DIR, MNT_DETACH);
1687 return clib_error_return (0, "rte_eal_init returned %d", ret);
1689 /* Dump the physical memory layout prior to creating the mbuf_pool */
1690 fprintf (stdout, "DPDK physical memory layout:\n");
1691 rte_dump_physmem_layout (stdout);
1693 /* main thread 1st */
1694 error = vlib_buffer_pool_create (vm, conf->num_mbufs, rte_socket_id ());
1698 for (i = 0; i < RTE_MAX_LCORE; i++)
1700 error = vlib_buffer_pool_create (vm, conf->num_mbufs,
1701 rte_lcore_to_socket_id (i));
1710 VLIB_CONFIG_FUNCTION (dpdk_config, "dpdk");
1713 dpdk_update_link_state (dpdk_device_t * xd, f64 now)
1715 vnet_main_t *vnm = vnet_get_main ();
1716 struct rte_eth_link prev_link = xd->link;
1718 u8 hw_flags_chg = 0;
1720 /* only update link state for PMD interfaces */
1721 if ((xd->flags & DPDK_DEVICE_FLAG_PMD) == 0)
1724 xd->time_last_link_update = now ? now : xd->time_last_link_update;
1725 memset (&xd->link, 0, sizeof (xd->link));
1726 rte_eth_link_get_nowait (xd->device_index, &xd->link);
1728 if (LINK_STATE_ELOGS)
1730 vlib_main_t *vm = vlib_get_main ();
1731 ELOG_TYPE_DECLARE (e) =
1734 "update-link-state: sw_if_index %d, admin_up %d,"
1735 "old link_state %d new link_state %d",.format_args = "i4i1i1i1",};
1744 ed = ELOG_DATA (&vm->elog_main, e);
1745 ed->sw_if_index = xd->vlib_sw_if_index;
1746 ed->admin_up = (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) != 0;
1747 ed->old_link_state = (u8)
1748 vnet_hw_interface_is_link_up (vnm, xd->vlib_hw_if_index);
1749 ed->new_link_state = (u8) xd->link.link_status;
1752 if ((xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) &&
1753 ((xd->link.link_status != 0) ^
1754 vnet_hw_interface_is_link_up (vnm, xd->vlib_hw_if_index)))
1757 hw_flags |= (xd->link.link_status ? VNET_HW_INTERFACE_FLAG_LINK_UP : 0);
1760 if (hw_flags_chg || (xd->link.link_duplex != prev_link.link_duplex))
1763 switch (xd->link.link_duplex)
1765 case ETH_LINK_HALF_DUPLEX:
1766 hw_flags |= VNET_HW_INTERFACE_FLAG_HALF_DUPLEX;
1768 case ETH_LINK_FULL_DUPLEX:
1769 hw_flags |= VNET_HW_INTERFACE_FLAG_FULL_DUPLEX;
1775 if (hw_flags_chg || (xd->link.link_speed != prev_link.link_speed))
1778 switch (xd->link.link_speed)
1780 case ETH_SPEED_NUM_10M:
1781 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10M;
1783 case ETH_SPEED_NUM_100M:
1784 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_100M;
1786 case ETH_SPEED_NUM_1G:
1787 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_1G;
1789 case ETH_SPEED_NUM_10G:
1790 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10G;
1792 case ETH_SPEED_NUM_40G:
1793 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_40G;
1798 clib_warning ("unknown link speed %d", xd->link.link_speed);
1804 if (LINK_STATE_ELOGS)
1806 vlib_main_t *vm = vlib_get_main ();
1808 ELOG_TYPE_DECLARE (e) =
1811 "update-link-state: sw_if_index %d, new flags %d",.format_args
1819 ed = ELOG_DATA (&vm->elog_main, e);
1820 ed->sw_if_index = xd->vlib_sw_if_index;
1821 ed->flags = hw_flags;
1823 vnet_hw_interface_set_flags (vnm, xd->vlib_hw_if_index, hw_flags);
1828 dpdk_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
1830 clib_error_t *error;
1831 vnet_main_t *vnm = vnet_get_main ();
1832 dpdk_main_t *dm = &dpdk_main;
1833 ethernet_main_t *em = ðernet_main;
1835 vlib_thread_main_t *tm = vlib_get_thread_main ();
1838 error = dpdk_lib_init (dm);
1841 * Turn on the input node if we found some devices to drive
1842 * and we're not running worker threads or i/o threads
1845 if (error == 0 && vec_len (dm->devices) > 0)
1847 if (tm->n_vlib_mains == 1)
1848 vlib_node_set_state (vm, dpdk_input_node.index,
1849 VLIB_NODE_STATE_POLLING);
1851 for (i = 0; i < tm->n_vlib_mains; i++)
1852 if (vec_len (dm->devices_by_cpu[i]) > 0)
1853 vlib_node_set_state (vlib_mains[i], dpdk_input_node.index,
1854 VLIB_NODE_STATE_POLLING);
1858 clib_error_report (error);
1860 tm->worker_thread_release = 1;
1862 f64 now = vlib_time_now (vm);
1863 vec_foreach (xd, dm->devices)
1865 dpdk_update_link_state (xd, now);
1870 * Extra set up for bond interfaces:
1871 * 1. Setup MACs for bond interfaces and their slave links which was set
1872 * in dpdk_port_setup() but needs to be done again here to take effect.
1873 * 2. Set up info for bond interface related CLI support.
1875 int nports = rte_eth_dev_count ();
1878 for (i = 0; i < nports; i++)
1880 xd = &dm->devices[i];
1881 ASSERT (i == xd->device_index);
1882 if (xd->pmd == VNET_DPDK_PMD_BOND)
1886 int nlink = rte_eth_bond_slaves_get (i, slink, 16);
1889 vnet_hw_interface_t *bhi;
1890 ethernet_interface_t *bei;
1893 /* Get MAC of 1st slave link */
1895 (slink[0], (struct ether_addr *) addr);
1897 /* Set MAC of bounded interface to that of 1st slave link */
1898 clib_warning ("Set MAC for bond dev# %d", i);
1899 rv = rte_eth_bond_mac_address_set
1900 (i, (struct ether_addr *) addr);
1902 clib_warning ("Set MAC addr failure rv=%d", rv);
1904 /* Populate MAC of bonded interface in VPP hw tables */
1905 bhi = vnet_get_hw_interface
1906 (vnm, dm->devices[i].vlib_hw_if_index);
1907 bei = pool_elt_at_index
1908 (em->interfaces, bhi->hw_instance);
1909 clib_memcpy (bhi->hw_address, addr, 6);
1910 clib_memcpy (bei->address, addr, 6);
1912 /* Init l3 packet size allowed on bonded interface */
1913 bhi->max_packet_bytes = ETHERNET_MAX_PACKET_BYTES;
1914 bhi->max_l3_packet_bytes[VLIB_RX] =
1915 bhi->max_l3_packet_bytes[VLIB_TX] =
1916 ETHERNET_MAX_PACKET_BYTES - sizeof (ethernet_header_t);
1918 { /* for all slave links */
1919 int slave = slink[--nlink];
1920 dpdk_device_t *sdev = &dm->devices[slave];
1921 vnet_hw_interface_t *shi;
1922 vnet_sw_interface_t *ssi;
1923 ethernet_interface_t *sei;
1924 /* Add MAC to all slave links except the first one */
1927 clib_warning ("Add MAC for slave dev# %d", slave);
1928 rv = rte_eth_dev_mac_addr_add
1929 (slave, (struct ether_addr *) addr, 0);
1931 clib_warning ("Add MAC addr failure rv=%d", rv);
1933 /* Set slaves bitmap for bonded interface */
1934 bhi->bond_info = clib_bitmap_set
1935 (bhi->bond_info, sdev->vlib_hw_if_index, 1);
1936 /* Set slave link flags on slave interface */
1937 shi = vnet_get_hw_interface
1938 (vnm, sdev->vlib_hw_if_index);
1939 ssi = vnet_get_sw_interface
1940 (vnm, sdev->vlib_sw_if_index);
1941 sei = pool_elt_at_index
1942 (em->interfaces, shi->hw_instance);
1944 shi->bond_info = VNET_HW_INTERFACE_BOND_INFO_SLAVE;
1945 ssi->flags |= VNET_SW_INTERFACE_FLAG_BOND_SLAVE;
1946 clib_memcpy (shi->hw_address, addr, 6);
1947 clib_memcpy (sei->address, addr, 6);
1949 /* Set l3 packet size allowed as the lowest of slave */
1950 if (bhi->max_l3_packet_bytes[VLIB_RX] >
1951 shi->max_l3_packet_bytes[VLIB_RX])
1952 bhi->max_l3_packet_bytes[VLIB_RX] =
1953 bhi->max_l3_packet_bytes[VLIB_TX] =
1954 shi->max_l3_packet_bytes[VLIB_RX];
1956 /* Set max packet size allowed as the lowest of slave */
1957 if (bhi->max_packet_bytes > shi->max_packet_bytes)
1958 bhi->max_packet_bytes = shi->max_packet_bytes;
1969 * check each time through the loop in case intervals are changed
1971 f64 min_wait = dm->link_state_poll_interval < dm->stat_poll_interval ?
1972 dm->link_state_poll_interval : dm->stat_poll_interval;
1974 vlib_process_wait_for_event_or_clock (vm, min_wait);
1976 if (dm->admin_up_down_in_progress)
1977 /* skip the poll if an admin up down is in progress (on any interface) */
1980 vec_foreach (xd, dm->devices)
1982 f64 now = vlib_time_now (vm);
1983 if ((now - xd->time_last_stats_update) >= dm->stat_poll_interval)
1984 dpdk_update_counters (xd, now);
1985 if ((now - xd->time_last_link_update) >= dm->link_state_poll_interval)
1986 dpdk_update_link_state (xd, now);
1995 VLIB_REGISTER_NODE (dpdk_process_node,static) = {
1996 .function = dpdk_process,
1997 .type = VLIB_NODE_TYPE_PROCESS,
1998 .name = "dpdk-process",
1999 .process_log2_n_stack_bytes = 17,
2004 dpdk_set_stat_poll_interval (f64 interval)
2006 if (interval < DPDK_MIN_STATS_POLL_INTERVAL)
2007 return (VNET_API_ERROR_INVALID_VALUE);
2009 dpdk_main.stat_poll_interval = interval;
2015 dpdk_set_link_state_poll_interval (f64 interval)
2017 if (interval < DPDK_MIN_LINK_POLL_INTERVAL)
2018 return (VNET_API_ERROR_INVALID_VALUE);
2020 dpdk_main.link_state_poll_interval = interval;
2026 dpdk_init (vlib_main_t * vm)
2028 dpdk_main_t *dm = &dpdk_main;
2030 clib_error_t *error = 0;
2031 vlib_thread_main_t *tm = vlib_get_thread_main ();
2033 /* verify that structs are cacheline aligned */
2034 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline0) == 0,
2035 "Cache line marker must be 1st element in dpdk_device_t");
2036 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline1) ==
2037 CLIB_CACHE_LINE_BYTES,
2038 "Data in cache line 0 is bigger than cache line size");
2039 STATIC_ASSERT (offsetof (frame_queue_trace_t, cacheline0) == 0,
2040 "Cache line marker must be 1st element in frame_queue_trace_t");
2043 name = format (0, "dpdk_%08x%c", api_version, 0);
2045 /* Ask for a correctly-sized block of API message decode slots */
2046 dm->msg_id_base = vl_msg_api_get_msg_ids
2047 ((char *) name, VL_MSG_FIRST_AVAILABLE);
2051 dm->vnet_main = vnet_get_main ();
2052 dm->conf = &dpdk_config_main;
2054 error = dpdk_plugin_api_hookup (vm);
2056 /* Add our API messages to the global name_crc hash table */
2057 setup_message_id_table (dm, &api_main);
2060 // plugin_custom_dump_configure (dm);
2062 ei = vlib_get_node_by_name (vm, (u8 *) "ethernet-input");
2064 return clib_error_return (0, "ethernet-input node AWOL");
2066 dm->ethernet_input_node_index = ei->index;
2068 dm->conf->nchannels = 4;
2069 dm->conf->num_mbufs = dm->conf->num_mbufs ? dm->conf->num_mbufs : NB_MBUF;
2070 vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet");
2072 dm->dpdk_device_by_kni_port_id = hash_create (0, sizeof (uword));
2073 dm->vu_sw_if_index_by_listener_fd = hash_create (0, sizeof (uword));
2074 dm->vu_sw_if_index_by_sock_fd = hash_create (0, sizeof (uword));
2076 /* $$$ use n_thread_stacks since it's known-good at this point */
2077 vec_validate (dm->recycle, tm->n_thread_stacks - 1);
2079 /* Default vlib_buffer_t flags, DISABLES tcp/udp checksumming... */
2080 dm->buffer_flags_template =
2081 (VLIB_BUFFER_TOTAL_LENGTH_VALID | VLIB_BUFFER_EXT_HDR_VALID
2082 | IP_BUFFER_L4_CHECKSUM_COMPUTED | IP_BUFFER_L4_CHECKSUM_CORRECT);
2084 dm->stat_poll_interval = DPDK_STATS_POLL_INTERVAL;
2085 dm->link_state_poll_interval = DPDK_LINK_POLL_INTERVAL;
2088 if ((error = vlib_call_init_function (vm, dpdk_cli_init)))
2094 VLIB_INIT_FUNCTION (dpdk_init);
2098 * fd.io coding-style-patch-verification: ON
2101 * eval: (c-set-style "gnu")