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>
20 #include <vnet/ethernet/ethernet.h>
21 #include <vnet/devices/dpdk/dpdk.h>
22 #include <vlib/unix/physmem.h>
28 #include <sys/mount.h>
32 #include "dpdk_priv.h"
34 dpdk_main_t dpdk_main;
36 /* force linker to link functions used by vlib and declared weak */
37 void *vlib_weakly_linked_functions[] = {
39 &rte_pktmbuf_pool_init,
42 #define LINK_STATE_ELOGS 0
44 #define DEFAULT_HUGE_DIR "/run/vpp/hugepages"
45 #define VPP_RUN_DIR "/run/vpp"
47 /* Port configuration, mildly modified Intel app values */
49 static struct rte_eth_conf port_conf_template = {
52 .header_split = 0, /**< Header Split disabled */
53 .hw_ip_checksum = 0, /**< IP checksum offload disabled */
54 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
55 .hw_strip_crc = 1, /**< CRC stripped by hardware */
58 .mq_mode = ETH_MQ_TX_NONE,
63 dpdk_port_setup (dpdk_main_t * dm, dpdk_device_t * xd)
65 vlib_main_t * vm = vlib_get_main();
66 vlib_buffer_main_t * bm = vm->buffer_main;
70 ASSERT(os_get_cpu_number() == 0);
73 vnet_hw_interface_set_flags (dm->vnet_main, xd->vlib_hw_if_index, 0);
74 rte_eth_dev_stop (xd->device_index);
77 rv = rte_eth_dev_configure (xd->device_index, xd->rx_q_used,
78 xd->tx_q_used, &xd->port_conf);
81 return clib_error_return (0, "rte_eth_dev_configure[%d]: err %d",
82 xd->device_index, rv);
84 /* Set up one TX-queue per worker thread */
85 for (j = 0; j < xd->tx_q_used; j++)
87 rv = rte_eth_tx_queue_setup(xd->device_index, j, xd->nb_tx_desc,
88 xd->cpu_socket, &xd->tx_conf);
94 return clib_error_return (0, "rte_eth_tx_queue_setup[%d]: err %d",
95 xd->device_index, rv);
97 for (j = 0; j < xd->rx_q_used; j++)
100 rv = rte_eth_rx_queue_setup(xd->device_index, j, xd->nb_rx_desc,
102 bm->pktmbuf_pools[xd->cpu_socket_id_by_queue[j]]);
104 return clib_error_return (0, "rte_eth_rx_queue_setup[%d]: err %d",
105 xd->device_index, rv);
109 rte_eth_dev_start (xd->device_index);
114 static u32 dpdk_flag_change (vnet_main_t * vnm,
115 vnet_hw_interface_t * hi,
118 dpdk_main_t * dm = &dpdk_main;
119 dpdk_device_t * xd = vec_elt_at_index (dm->devices, hi->dev_instance);
122 if (ETHERNET_INTERFACE_FLAG_CONFIG_PROMISC(flags))
125 xd->promisc = flags & ETHERNET_INTERFACE_FLAG_ACCEPT_ALL;
130 rte_eth_promiscuous_enable(xd->device_index);
132 rte_eth_promiscuous_disable(xd->device_index);
135 else if (ETHERNET_INTERFACE_FLAG_CONFIG_MTU(flags))
138 * DAW-FIXME: The Cisco VIC firmware does not provide an api for a
139 * driver to dynamically change the mtu. If/when the
140 * VIC firmware gets fixed, then this should be removed.
142 if (xd->pmd == VNET_DPDK_PMD_VICE ||
143 xd->pmd == VNET_DPDK_PMD_ENIC)
145 struct rte_eth_dev_info dev_info;
148 * Restore mtu to what has been set by CIMC in the firmware cfg.
150 rte_eth_dev_info_get(xd->device_index, &dev_info);
151 hi->max_packet_bytes = dev_info.max_rx_pktlen;
153 vlib_cli_output (vlib_get_main(),
154 "Cisco VIC mtu can only be changed "
155 "using CIMC then rebooting the server!");
162 * DAW-FIXME: The DPDK VMXNET3 driver does not currently support
163 * multi-buffer packets. Max out at 1518 bytes for now.
165 * If/when the driver gets fixed, then this should be
168 if ((xd->pmd == VNET_DPDK_PMD_VMXNET3) &&
169 (hi->max_packet_bytes > 1518))
171 hi->max_packet_bytes = 1518;
173 vlib_cli_output (vlib_get_main(),
174 "VMXNET3 driver does not support jumbo frames "
175 "yet -- setting mtu to 1518!");
178 xd->port_conf.rxmode.max_rx_pkt_len = hi->max_packet_bytes;
181 rte_eth_dev_stop (xd->device_index);
183 rv = rte_eth_dev_configure
190 vlib_cli_output (vlib_get_main(),
191 "rte_eth_dev_configure[%d]: err %d",
192 xd->device_index, rv);
194 rte_eth_dev_set_mtu(xd->device_index, hi->max_packet_bytes);
197 rte_eth_dev_start (xd->device_index);
204 extern int rte_netmap_probe(void);
207 static clib_error_t *
208 dpdk_lib_init (dpdk_main_t * dm)
213 clib_error_t * error;
214 vlib_main_t * vm = vlib_get_main();
215 vlib_thread_main_t * tm = vlib_get_thread_main();
216 vnet_sw_interface_t * sw;
217 vnet_hw_interface_t * hi;
219 vlib_thread_registration_t * tr;
223 u8 af_packet_port_id = 0;
225 dm->input_cpu_first_index = 0;
226 dm->input_cpu_count = 1;
228 /* find out which cpus will be used for input */
229 p = hash_get_mem (tm->thread_registrations_by_name, "io");
230 tr = p ? (vlib_thread_registration_t *) p[0] : 0;
232 if (!tr || tr->count == 0)
234 /* no io threads, workers doing input */
235 p = hash_get_mem (tm->thread_registrations_by_name, "workers");
236 tr = p ? (vlib_thread_registration_t *) p[0] : 0;
240 dm->have_io_threads = 1;
243 if (tr && tr->count > 0)
245 dm->input_cpu_first_index = tr->first_index;
246 dm->input_cpu_count = tr->count;
249 vec_validate_aligned (dm->devices_by_cpu, tm->n_vlib_mains - 1,
250 CLIB_CACHE_LINE_BYTES);
252 vec_validate_aligned (dm->workers, tm->n_vlib_mains - 1,
253 CLIB_CACHE_LINE_BYTES);
256 if(rte_netmap_probe() < 0)
257 return clib_error_return (0, "rte netmap probe failed");
260 nports = rte_eth_dev_count();
263 clib_warning ("DPDK drivers found no ports...");
267 clib_warning ("DPDK drivers found %d ports...", nports);
270 * All buffers are all allocated from the same rte_mempool.
271 * Thus they all have the same number of data bytes.
273 dm->vlib_buffer_free_list_index =
274 vlib_buffer_get_or_create_free_list (
275 vm, VLIB_BUFFER_DEFAULT_FREE_LIST_BYTES, "dpdk rx");
277 for (i = 0; i < nports; i++)
281 struct rte_eth_dev_info dev_info;
283 struct rte_eth_link l;
285 /* Create vnet interface */
286 vec_add2_aligned (dm->devices, xd, 1, CLIB_CACHE_LINE_BYTES);
287 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
288 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
289 xd->cpu_socket = (i8) rte_eth_dev_socket_id(i);
290 rte_eth_dev_info_get(i, &dev_info);
292 memcpy(&xd->tx_conf, &dev_info.default_txconf,
293 sizeof(struct rte_eth_txconf));
294 if (dm->no_multi_seg)
296 xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
297 port_conf_template.rxmode.jumbo_frame = 0;
301 xd->tx_conf.txq_flags &= ~ETH_TXQ_FLAGS_NOMULTSEGS;
302 port_conf_template.rxmode.jumbo_frame = 1;
305 memcpy(&xd->port_conf, &port_conf_template, sizeof(struct rte_eth_conf));
307 xd->tx_q_used = dev_info.max_tx_queues < tm->n_vlib_mains ?
308 1 : tm->n_vlib_mains;
310 if (dm->use_rss > 1 && dev_info.max_rx_queues >= dm->use_rss)
312 xd->rx_q_used = dm->use_rss;
313 xd->port_conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
314 xd->port_conf.rx_adv_conf.rss_conf.rss_hf = ETH_RSS_IP | ETH_RSS_UDP | ETH_RSS_TCP;
319 xd->dev_type = VNET_DPDK_DEV_ETH;
321 /* workaround for drivers not setting driver_name */
322 if (!dev_info.driver_name)
323 dev_info.driver_name = dev_info.pci_dev->driver->name;
324 ASSERT(dev_info.driver_name);
329 #define _(s,f) else if (!strcmp(dev_info.driver_name, s)) \
330 xd->pmd = VNET_DPDK_PMD_##f;
336 xd->pmd = VNET_DPDK_PMD_UNKNOWN;
341 case VNET_DPDK_PMD_E1000EM:
342 case VNET_DPDK_PMD_IGB:
343 case VNET_DPDK_PMD_IGBVF:
344 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
348 case VNET_DPDK_PMD_IXGBE:
349 case VNET_DPDK_PMD_IXGBEVF:
350 case VNET_DPDK_PMD_THUNDERX:
351 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
352 xd->nb_rx_desc = DPDK_NB_RX_DESC_10GE;
353 xd->nb_tx_desc = DPDK_NB_TX_DESC_10GE;
357 case VNET_DPDK_PMD_VICE:
358 case VNET_DPDK_PMD_ENIC:
359 rte_eth_link_get_nowait(xd->device_index, &l);
360 if (l.link_speed == 40000)
362 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
363 xd->nb_rx_desc = DPDK_NB_RX_DESC_40GE;
364 xd->nb_tx_desc = DPDK_NB_TX_DESC_40GE;
368 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
369 xd->nb_rx_desc = DPDK_NB_RX_DESC_10GE;
370 xd->nb_tx_desc = DPDK_NB_TX_DESC_10GE;
374 /* Intel Fortville */
375 case VNET_DPDK_PMD_I40E:
376 case VNET_DPDK_PMD_I40EVF:
377 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
378 xd->nb_rx_desc = DPDK_NB_RX_DESC_40GE;
379 xd->nb_tx_desc = DPDK_NB_TX_DESC_40GE;
381 switch (dev_info.pci_dev->id.device_id) {
382 case I40E_DEV_ID_10G_BASE_T:
383 case I40E_DEV_ID_SFP_XL710:
384 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
386 case I40E_DEV_ID_QSFP_A:
387 case I40E_DEV_ID_QSFP_B:
388 case I40E_DEV_ID_QSFP_C:
389 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
392 rte_eth_link_get_nowait(xd->device_index, &l);
393 xd->port_type = l.link_speed == 10000 ?
394 VNET_DPDK_PORT_TYPE_ETH_10G : VNET_DPDK_PORT_TYPE_ETH_40G;
397 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
401 case VNET_DPDK_PMD_CXGBE:
402 switch (dev_info.pci_dev->id.device_id) {
403 case 0x5410: /* T580-LP-cr */
404 xd->nb_rx_desc = DPDK_NB_RX_DESC_40GE;
405 xd->nb_tx_desc = DPDK_NB_TX_DESC_40GE;
406 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
409 xd->nb_rx_desc = DPDK_NB_RX_DESC_10GE;
410 xd->nb_tx_desc = DPDK_NB_TX_DESC_10GE;
411 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
415 /* Intel Red Rock Canyon */
416 case VNET_DPDK_PMD_FM10K:
417 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_SWITCH;
418 xd->nb_rx_desc = DPDK_NB_RX_DESC_40GE;
419 xd->nb_tx_desc = DPDK_NB_TX_DESC_40GE;
423 case VNET_DPDK_PMD_VIRTIO:
424 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
425 xd->nb_rx_desc = DPDK_NB_RX_DESC_VIRTIO;
426 xd->nb_tx_desc = DPDK_NB_TX_DESC_VIRTIO;
430 case VNET_DPDK_PMD_VMXNET3:
431 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
432 xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
435 case VNET_DPDK_PMD_AF_PACKET:
436 xd->port_type = VNET_DPDK_PORT_TYPE_AF_PACKET;
437 xd->af_packet_port_id = af_packet_port_id++;
441 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
445 if(strncmp(dev_info.driver_name, "vale", 4) == 0
446 || strncmp(dev_info.driver_name, "netmap", 6) == 0)
448 xd->pmd = VNET_DPDK_PMD_NETMAP;
449 xd->port_type = VNET_DPDK_PORT_TYPE_NETMAP;
456 * Ensure default mtu is not > the mtu read from the hardware.
457 * Otherwise rte_eth_dev_configure() will fail and the port will
460 xd->port_conf.rxmode.max_rx_pkt_len =
461 (ETHERNET_MAX_PACKET_BYTES > dev_info.max_rx_pktlen) ?
462 dev_info.max_rx_pktlen : ETHERNET_MAX_PACKET_BYTES;
465 * DAW-FIXME: VMXNET3 driver doesn't support jumbo / multi-buffer pkts
467 if (xd->pmd == VNET_DPDK_PMD_VMXNET3)
469 xd->port_conf.rxmode.max_rx_pkt_len = 1518;
470 xd->port_conf.rxmode.jumbo_frame = 0;
473 if (xd->pmd == VNET_DPDK_PMD_AF_PACKET)
475 f64 now = vlib_time_now(vm);
477 rnd = (u32) (now * 1e6);
478 rnd = random_u32 (&rnd);
479 memcpy (addr+2, &rnd, sizeof(rnd));
484 rte_eth_macaddr_get(i,(struct ether_addr *)addr);
486 if (xd->tx_q_used < tm->n_vlib_mains)
488 xd->lockp = clib_mem_alloc_aligned (CLIB_CACHE_LINE_BYTES,
489 CLIB_CACHE_LINE_BYTES);
490 memset ((void *) xd->lockp, 0, CLIB_CACHE_LINE_BYTES);
493 xd->device_index = xd - dm->devices;
494 ASSERT(i == xd->device_index);
495 xd->per_interface_next_index = ~0;
497 /* assign interface to input thread */
498 dpdk_device_and_queue_t * dq;
501 for (q = 0; q < xd->rx_q_used; q++)
503 int cpu = dm->input_cpu_first_index + next_cpu;
504 unsigned lcore = vlib_worker_threads[cpu].dpdk_lcore_id;
507 * numa node for worker thread handling this queue
508 * needed for taking buffers from the right mempool
510 vec_validate(xd->cpu_socket_id_by_queue, q);
511 xd->cpu_socket_id_by_queue[q] = rte_lcore_to_socket_id(lcore);
514 * construct vector of (device,queue) pairs for each worker thread
516 vec_add2(dm->devices_by_cpu[cpu], dq, 1);
517 dq->device = xd->device_index;
521 if (next_cpu == dm->input_cpu_count)
525 vec_validate_aligned (xd->tx_vectors, tm->n_vlib_mains,
526 CLIB_CACHE_LINE_BYTES);
527 for (j = 0; j < tm->n_vlib_mains; j++)
529 vec_validate_ha (xd->tx_vectors[j], DPDK_TX_RING_SIZE,
530 sizeof(tx_ring_hdr_t), CLIB_CACHE_LINE_BYTES);
531 vec_reset_length (xd->tx_vectors[j]);
534 vec_validate_aligned (xd->rx_vectors, xd->rx_q_used,
535 CLIB_CACHE_LINE_BYTES);
536 for (j = 0; j< xd->rx_q_used; j++)
538 vec_validate_aligned (xd->rx_vectors[j], VLIB_FRAME_SIZE-1,
539 CLIB_CACHE_LINE_BYTES);
540 vec_reset_length (xd->rx_vectors[j]);
543 vec_validate_aligned (xd->frames, tm->n_vlib_mains,
544 CLIB_CACHE_LINE_BYTES);
546 rv = dpdk_port_setup(dm, xd);
551 /* count the number of descriptors used for this device */
552 nb_desc += xd->nb_rx_desc + xd->nb_tx_desc * xd->tx_q_used;
554 error = ethernet_register_interface
556 dpdk_device_class.index,
558 /* ethernet address */ addr,
559 &xd->vlib_hw_if_index,
564 sw = vnet_get_hw_sw_interface (dm->vnet_main, xd->vlib_hw_if_index);
565 xd->vlib_sw_if_index = sw->sw_if_index;
566 hi = vnet_get_hw_interface (dm->vnet_main, xd->vlib_hw_if_index);
569 * DAW-FIXME: The Cisco VIC firmware does not provide an api for a
570 * driver to dynamically change the mtu. If/when the
571 * VIC firmware gets fixed, then this should be removed.
573 if (xd->pmd == VNET_DPDK_PMD_VICE ||
574 xd->pmd == VNET_DPDK_PMD_ENIC)
577 * Initialize mtu to what has been set by CIMC in the firmware cfg.
579 hi->max_packet_bytes = dev_info.max_rx_pktlen;
581 * remove vlan tag from VIC port to fix VLAN0 issue.
582 * TODO Handle VLAN tagged traffic
585 vlan_off = rte_eth_dev_get_vlan_offload(xd->device_index);
586 vlan_off |= ETH_VLAN_STRIP_OFFLOAD;
587 rte_eth_dev_set_vlan_offload(xd->device_index, vlan_off);
590 * DAW-FIXME: VMXNET3 driver doesn't support jumbo / multi-buffer pkts
592 else if (xd->pmd == VNET_DPDK_PMD_VMXNET3)
593 hi->max_packet_bytes = 1518;
595 hi->max_l3_packet_bytes[VLIB_RX] = hi->max_l3_packet_bytes[VLIB_TX] =
596 xd->port_conf.rxmode.max_rx_pkt_len - sizeof(ethernet_header_t);
598 rte_eth_dev_set_mtu(xd->device_index, hi->max_packet_bytes);
602 clib_warning("Initializing KNI interfaces...");
603 rte_kni_init(dm->num_kni);
604 for (i = 0; i < dm->num_kni; i++)
609 /* Create vnet interface */
610 vec_add2_aligned (dm->devices, xd, 1, CLIB_CACHE_LINE_BYTES);
611 xd->dev_type = VNET_DPDK_DEV_KNI;
613 xd->device_index = xd - dm->devices;
614 ASSERT(nports + i == xd->device_index);
615 xd->per_interface_next_index = ~0;
618 hash_set (dm->dpdk_device_by_kni_port_id, i, xd - dm->devices);
621 /* assign interface to input thread */
622 dpdk_device_and_queue_t * dq;
623 vec_add2(dm->devices_by_cpu[dm->input_cpu_first_index], dq, 1);
624 dq->device = xd->device_index;
627 vec_validate_aligned (xd->tx_vectors, tm->n_vlib_mains,
628 CLIB_CACHE_LINE_BYTES);
629 for (j = 0; j < tm->n_vlib_mains; j++)
631 vec_validate_ha (xd->tx_vectors[j], DPDK_TX_RING_SIZE,
632 sizeof(tx_ring_hdr_t), CLIB_CACHE_LINE_BYTES);
633 vec_reset_length (xd->tx_vectors[j]);
636 vec_validate_aligned (xd->rx_vectors, xd->rx_q_used,
637 CLIB_CACHE_LINE_BYTES);
638 for (j = 0; j< xd->rx_q_used; j++)
640 vec_validate_aligned (xd->rx_vectors[j], VLIB_FRAME_SIZE-1,
641 CLIB_CACHE_LINE_BYTES);
642 vec_reset_length (xd->rx_vectors[j]);
645 vec_validate_aligned (xd->frames, tm->n_vlib_mains,
646 CLIB_CACHE_LINE_BYTES);
648 /* FIXME Set up one TX-queue per worker thread */
651 f64 now = vlib_time_now(vm);
653 rnd = (u32) (now * 1e6);
654 rnd = random_u32 (&rnd);
656 memcpy (addr+2, &rnd, sizeof(rnd));
661 error = ethernet_register_interface
663 dpdk_device_class.index,
665 /* ethernet address */ addr,
666 &xd->vlib_hw_if_index,
672 sw = vnet_get_hw_sw_interface (dm->vnet_main, xd->vlib_hw_if_index);
673 xd->vlib_sw_if_index = sw->sw_if_index;
674 hi = vnet_get_hw_interface (dm->vnet_main, xd->vlib_hw_if_index);
678 if (nb_desc > dm->num_mbufs)
679 clib_warning ("%d mbufs allocated but total rx/tx ring size is %d\n",
680 dm->num_mbufs, nb_desc);
682 /* init next vhost-user if index */
683 dm->next_vu_if_id = 0;
689 * Tell the vlib physical memory allocator that we've handled
690 * the initialization. We don't actually do so until
691 * vlib_main(...) callls the dpdk config function.
693 int vlib_app_physmem_init (vlib_main_t * vm, physmem_main_t * pm,
694 int physmem_required)
699 static clib_error_t *
700 write_sys_fs (char * file_name, char * fmt, ...)
705 fd = open (file_name, O_WRONLY);
707 return clib_error_return_unix (0, "open `%s'", file_name);
711 s = va_format (0, fmt, &va);
713 vec_add1 (s, 0); // terminate c string
715 if (write (fd, s, vec_len (s)) < 0)
716 return clib_error_return_unix (0, "write '%s' to '%s'", s, file_name);
723 #define VIRTIO_PCI_NAME "virtio-pci"
725 static clib_error_t * dpdk_bind_eth_kernel_drivers (vlib_main_t * vm,
727 char * kernel_driver)
729 dpdk_main_t * dm = &dpdk_main;
730 unformat_input_t _in;
731 unformat_input_t * in = &_in;
732 clib_error_t * error = 0;
733 u8 * line = 0, * modcmd = 0, * path = 0;
734 u8 * pci_vid = 0, *pci_did = 0, * devname = 0;
735 char *driver_name = kernel_driver;
739 * Bail out now if we're not running as root.
740 * This allows non-privileged use of the packet generator, etc.
746 * Get all ethernet pci device numbers for the device type specified.
748 modcmd = format (0, "lspci -nDd %s | grep 0200 | "
749 "awk '{ print $1, $3 }'%c", pci_dev_id, 0);
750 if ((fp = popen ((const char *)modcmd, "r")) == NULL)
752 error = clib_error_return_unix (0,
753 "Unable to get %s ethernet pci devices.",
758 vec_validate (line, BUFSIZ);
759 vec_validate (path, BUFSIZ);
760 while (fgets ((char *)line, BUFSIZ, fp) != NULL)
764 line[strlen ((char *)line) - 1] = 0; // chomp trailing newline.
766 unformat_init_string (in, (char *)line, strlen((char *)line) + 1);
767 unformat(in, "%s %s:%s", &devname, &pci_vid, &pci_did);
771 * Blacklist all ethernet interfaces in the
772 * linux IP routing tables (route --inet --inet6)
774 if (strstr ((char *)dm->eth_if_blacklist, (char *)devname))
778 * If there are any devices whitelisted, then blacklist all devices
779 * which are not explicitly whitelisted.
781 if (dm->eth_if_whitelist &&
782 !strstr ((char *)dm->eth_if_whitelist, (char *)devname))
787 * Optimistically open the device as a netmap device.
789 if (eth_nm_open((char *)devname))
794 path = format (path, "/sys/bus/pci/devices/%s/driver/unbind%c",
798 * If the device is bound to a driver...
800 if (stat ((const char *)path, &st) == 0)
805 * If the interface is not a virtio...
807 if (!driver_name || strcmp(driver_name, VIRTIO_PCI_NAME))
810 * If it is already bound to driver, don't unbind/bind it.
812 device_path = format (0, "/sys/bus/pci/drivers/%s/%s/device%c",
813 driver_name, devname, 0);
814 if (stat ((const char *)device_path, &st) == 0)
817 vec_free (device_path);
821 * unbind it from the current driver
825 _vec_len (path) -= 1;
826 path = format (path, "%c", 0);
827 error = write_sys_fs ((char *)path, "%s", devname);
834 * DAW-FIXME: The following bind/unbind dance is necessary for the dpdk
835 * virtio poll-mode driver to work.
838 if (driver_name && !strcmp(driver_name, VIRTIO_PCI_NAME))
841 * bind interface to the native kernel module
844 path = format (path, "/sys/bus/pci/drivers/%s/bind%c",
846 error = write_sys_fs ((char *)path, "%s", devname);
851 * unbind interface from the native kernel module
853 _vec_len (path) -= 5;
854 path = format (path, "unbind%c", 0);
855 error = write_sys_fs ((char *)path, "%s", devname);
861 * bind the interface to igb_uio
866 path = format (path, "/sys/bus/pci/drivers/%s/new_id%c", driver_name, 0);
867 error = write_sys_fs ((char *) path, "%s %s", pci_vid, pci_did);
872 path = format (path, "/sys/bus/pci/drivers/%s/bind%c", driver_name, 0);
873 error = write_sys_fs ((char *) path, "%s", devname);
894 unformat_socket_mem (unformat_input_t * input, va_list * va)
896 uword ** r = va_arg (* va, uword **);
900 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
902 if (unformat (input, ","))
903 hash_set (*r, i, 1024);
904 else if (unformat (input, "%u,", &mem))
905 hash_set (*r, i, mem);
906 else if (unformat (input, "%u", &mem))
907 hash_set (*r, i, mem);
910 unformat_put_input (input);
921 get_node_free_hugepages_num (u32 node, u32 page_size)
926 tmp = format (0, "/sys/devices/system/node/node%u/hugepages/hugepages-%ukB/"
927 "free_hugepages%c", node, page_size, 0);
928 fp = fopen ((char *) tmp, "r");
936 vec_validate (buffer, 256-1);
937 if (fgets ((char *)buffer, 256, fp))
940 unformat_init_string (&in, (char *) buffer, strlen ((char *) buffer));
941 unformat(&in, "%u", &pages_avail);
952 static clib_error_t *
953 dpdk_config (vlib_main_t * vm, unformat_input_t * input)
955 clib_error_t * error = 0;
956 dpdk_main_t * dm = &dpdk_main;
957 vlib_thread_main_t * tm = vlib_get_thread_main();
960 u8 * rte_cmd = 0, * ethname = 0;
966 int rxrings, txrings, rxslots, txslots, txburst;
969 unformat_input_t _in;
970 unformat_input_t * in = &_in;
977 // MATT-FIXME: inverted virtio-vhost logic to use virtio by default
978 dm->use_virtio_vhost = 1;
980 while (unformat_check_input(input) != UNFORMAT_END_OF_INPUT)
983 if (unformat (input, "no-hugetlb"))
985 vec_add1 (dm->eal_init_args, (u8 *) "no-huge");
989 else if (unformat (input, "decimal-interface-names"))
990 dm->interface_name_format_decimal = 1;
992 else if (unformat (input, "no-multi-seg"))
993 dm->no_multi_seg = 1;
995 else if (unformat (input, "dev %s", &pci_dev_id))
997 if (dm->eth_if_whitelist)
1000 * Don't add duplicate device id's.
1002 if (strstr ((char *)dm->eth_if_whitelist, (char *)pci_dev_id))
1005 _vec_len (dm->eth_if_whitelist) -= 1; // chomp trailing NULL.
1006 dm->eth_if_whitelist = format (dm->eth_if_whitelist, " %s%c",
1010 dm->eth_if_whitelist = format (0, "%s%c", pci_dev_id, 0);
1014 else if (unformat(input, "netmap %s/%d:%d/%d:%d/%d",
1015 &nmname, &rxrings, &rxslots, &txrings, &txslots, &txburst)) {
1018 eth_nm_args(nmname, rxrings, rxslots, txrings, txslots, txburst);
1020 error = clib_error_return (0, "%s", rv);
1023 }else if (unformat(input, "netmap %s", &nmname)) {
1026 eth_nm_args(nmname, 0, 0, 0, 0, 0);
1028 error = clib_error_return (0, "%s", rv);
1034 else if (unformat (input, "num-mbufs %d", &dm->num_mbufs))
1036 else if (unformat (input, "kni %d", &dm->num_kni))
1038 else if (unformat (input, "uio-driver %s", &dm->uio_driver_name))
1040 else if (unformat (input, "vhost-user-coalesce-frames %d", &dm->vhost_coalesce_frames))
1042 else if (unformat (input, "vhost-user-coalesce-time %f", &dm->vhost_coalesce_time))
1044 else if (unformat (input, "enable-vhost-user"))
1045 dm->use_virtio_vhost = 0;
1046 else if (unformat (input, "rss %d", &dm->use_rss))
1050 else if (unformat(input, #a)) \
1052 if (!strncmp(#a, "no-pci", 6)) \
1054 tmp = format (0, "--%s%c", #a, 0); \
1055 vec_add1 (dm->eal_init_args, tmp); \
1057 foreach_eal_double_hyphen_predicate_arg
1061 else if (unformat(input, #a " %s", &s)) \
1063 if (!strncmp(#a, "huge-dir", 8)) \
1065 else if (!strncmp(#a, "file-prefix", 11)) \
1067 else if (!strncmp(#a, "socket-mem", 10)) \
1068 socket_mem = vec_dup (s); \
1069 tmp = format (0, "--%s%c", #a, 0); \
1070 vec_add1 (dm->eal_init_args, tmp); \
1072 vec_add1 (dm->eal_init_args, s); \
1074 foreach_eal_double_hyphen_arg
1078 else if (unformat(input, #a " %s", &s)) \
1080 tmp = format (0, "-%s%c", #b, 0); \
1081 vec_add1 (dm->eal_init_args, tmp); \
1083 vec_add1 (dm->eal_init_args, s); \
1085 foreach_eal_single_hyphen_arg
1089 else if (unformat(input, #a " %s", &s)) \
1091 tmp = format (0, "-%s%c", #b, 0); \
1092 vec_add1 (dm->eal_init_args, tmp); \
1094 vec_add1 (dm->eal_init_args, s); \
1095 dm->a##_set_manually = 1; \
1097 foreach_eal_single_hyphen_mandatory_arg
1100 else if (unformat(input, "default"))
1105 error = clib_error_return (0, "unknown input `%U'",
1106 format_unformat_error, input);
1111 if (!dm->uio_driver_name)
1112 dm->uio_driver_name = format (0, "igb_uio");
1115 * Use 1G huge pages if available.
1117 if (!no_huge && !huge_dir)
1119 uword * mem_by_socket = hash_create (0, sizeof (uword));
1125 umount(DEFAULT_HUGE_DIR);
1127 /* Process "socket-mem" parameter value */
1128 if (vec_len (socket_mem))
1130 unformat_input_t in;
1131 unformat_init_vector(&in, socket_mem);
1132 unformat(&in, "%U", unformat_socket_mem, &mem_by_socket);
1138 /* check if available enough 1GB pages for each socket */
1139 clib_bitmap_foreach (c, tm->cpu_socket_bitmap, ({
1140 uword * p = hash_get (mem_by_socket, c);
1146 u32 pages_num_1g = mem / 1024;
1147 u32 pages_num_2m = mem / 2;
1150 pages_avail = get_node_free_hugepages_num(c, 1048576);
1151 if (!(pages_avail >= pages_num_1g))
1154 pages_avail = get_node_free_hugepages_num(c, 2048);
1155 if (!(pages_avail >= pages_num_2m))
1161 hash_free (mem_by_socket);
1163 rv = mkdir(VPP_RUN_DIR, 0755);
1164 if (rv && errno != EEXIST)
1166 error = clib_error_return (0, "mkdir '%s' failed errno %d",
1167 VPP_RUN_DIR, errno);
1171 rv = mkdir(DEFAULT_HUGE_DIR, 0755);
1172 if (rv && errno != EEXIST)
1174 error = clib_error_return (0, "mkdir '%s' failed errno %d",
1175 DEFAULT_HUGE_DIR, errno);
1181 rv = mount("none", DEFAULT_HUGE_DIR, "hugetlbfs", 0, "pagesize=1G");
1185 rv = mount("none", DEFAULT_HUGE_DIR, "hugetlbfs", 0, NULL);
1189 return clib_error_return (0, "not enough free huge pages");
1194 error = clib_error_return (0, "mount failed %d", errno);
1198 tmp = format (0, "--huge-dir%c", 0);
1199 vec_add1 (dm->eal_init_args, tmp);
1200 tmp = format (0, "%s%c", DEFAULT_HUGE_DIR, 0);
1201 vec_add1 (dm->eal_init_args, tmp);
1204 tmp = format (0, "--file-prefix%c", 0);
1205 vec_add1 (dm->eal_init_args, tmp);
1206 tmp = format (0, "vpp%c", 0);
1207 vec_add1 (dm->eal_init_args, tmp);
1212 * Blacklist all ethernet interfaces in the linux IP routing tables.
1214 dm->eth_if_blacklist = format (0, "%c", 0);
1215 rte_cmd = format (0, "route --inet --inet6 -n|awk '{print $7}'|sort -u|"
1216 "egrep $(echo $(ls -1d /sys/class/net/*/device|"
1217 "cut -d/ -f5)|sed -s 's/ /|/g')%c", 0);
1218 if ((rte_fp = popen ((const char *)rte_cmd, "r")) == NULL)
1220 error = clib_error_return_unix (0, "Unable to find blacklist ethernet"
1221 " interface(s) in linux routing tables.");
1226 vec_validate (ethname, BUFSIZ);
1227 while (fgets ((char *)ethname, BUFSIZ, rte_fp) != NULL)
1230 u8 * rlnk_cmd = 0, * devname = 0;
1232 ethname[strlen ((char *)ethname) - 1] = 0; // chomp trailing newline.
1234 rlnk_cmd = format (0, "readlink /sys/class/net/%s%c",
1237 if ((rlnk_fp = popen ((const char *)rlnk_cmd, "r")) == NULL)
1239 error = clib_error_return_unix (0, "Unable to read %s link.",
1244 vec_validate (devname, BUFSIZ);
1245 while (fgets ((char *)devname, BUFSIZ, rlnk_fp) != NULL)
1250 * Extract the device PCI ID name from the link. It is the first
1251 * PCI ID searching backwards from the end of the link pathname.
1253 * readlink /sys/class/net/eth0
1254 * ../../devices/pci0000:00/0000:00:0a.0/virtio4/net/eth0
1256 for (pci_id = (char *)((devname + strlen((char *)devname)));
1257 ((u8 *)pci_id > devname) && *pci_id != '.'; pci_id--)
1261 * Verify that the field found is a valid PCI ID.
1263 if ((*(pci_id - 1) == '.') || ((u8 *)(pci_id - 11) < devname) ||
1264 (*(pci_id - 11) != '/') || (*(pci_id - 3) != ':') ||
1265 (*(pci_id - 6) != ':'))
1267 devname[strlen ((char *)devname) - 1] = 0; // chomp trailing newline.
1268 clib_warning ("Unable to extract %s PCI ID (0x%llx \"%s\") "
1269 "from 0x%llx \"%s\"", ethname, pci_id, pci_id,
1277 /* Don't blacklist any interfaces which have been whitelisted.
1279 if (dm->eth_if_whitelist &&
1280 strstr ((char *)dm->eth_if_whitelist, (char *)pci_id))
1283 _vec_len (dm->eth_if_blacklist) -= 1; // chomp trailing NULL.
1284 dm->eth_if_blacklist = format (dm->eth_if_blacklist, " %s%c",
1290 vec_free (rlnk_cmd);
1302 /* I'll bet that -c and -n must be the first and second args... */
1303 if (!dm->coremask_set_manually)
1305 vlib_thread_registration_t * tr;
1309 /* main thread core */
1310 coremask = 1 << tm->main_lcore;
1312 for (i = 0; i < vec_len (tm->registrations); i++)
1314 tr = tm->registrations[i];
1315 if (clib_bitmap_is_zero(tr->coremask))
1317 coremask |= tr->coremask[0];
1320 vec_insert (dm->eal_init_args, 2, 1);
1321 dm->eal_init_args[1] = (u8 *) "-c";
1322 tmp = format (0, "%x%c", coremask, 0);
1323 dm->eal_init_args[2] = tmp;
1326 if (!dm->nchannels_set_manually)
1328 vec_insert (dm->eal_init_args, 2, 3);
1329 dm->eal_init_args[3] = (u8 *) "-n";
1330 tmp = format (0, "%d", dm->nchannels);
1331 dm->eal_init_args[4] = tmp;
1335 * If there are whitelisted devices,
1336 * add the whitelist option & device list to the dpdk arg list...
1338 if (dm->eth_if_whitelist)
1340 unformat_init_string (in, (char *)dm->eth_if_whitelist,
1341 vec_len(dm->eth_if_whitelist) - 1);
1346 * Otherwise add the blacklisted devices to the dpdk arg list.
1350 unformat_init_string (in, (char *)dm->eth_if_blacklist,
1351 vec_len(dm->eth_if_blacklist) - 1);
1355 while (unformat_check_input (in) != UNFORMAT_END_OF_INPUT)
1357 tmp = format (0, fmt, 0);
1358 vec_add1 (dm->eal_init_args, tmp);
1359 unformat (in, "%s", &pci_dev_id);
1360 vec_add1 (dm->eal_init_args, pci_dev_id);
1366 * Bind Virtio pci devices to the igb_uio kernel driver.
1368 error = dpdk_bind_eth_kernel_drivers (vm, "1af4:1000", VIRTIO_PCI_NAME);
1373 * Bind vmxnet3 pci devices to the igb_uio kernel driver.
1375 error = dpdk_bind_eth_kernel_drivers (vm, "15ad:07b0",
1376 (char *) dm->uio_driver_name);
1381 * Bind Intel ethernet pci devices to igb_uio kernel driver.
1383 error = dpdk_bind_eth_kernel_drivers (vm, "8086:",
1384 (char *) dm->uio_driver_name);
1386 * Bind Cisco VIC ethernet pci devices to igb_uio kernel driver.
1388 error = dpdk_bind_eth_kernel_drivers (vm, "1137:0043",
1389 (char *) dm->uio_driver_name);
1392 /* set master-lcore */
1393 tmp = format (0, "--master-lcore%c", 0);
1394 vec_add1 (dm->eal_init_args, tmp);
1395 tmp = format (0, "%u%c", tm->main_lcore, 0);
1396 vec_add1 (dm->eal_init_args, tmp);
1398 /* NULL terminate the "argv" vector, in case of stupidity */
1399 vec_add1 (dm->eal_init_args, 0);
1400 _vec_len(dm->eal_init_args) -= 1;
1402 /* Set up DPDK eal and packet mbuf pool early. */
1404 log_level = (CLIB_DEBUG > 0) ? RTE_LOG_DEBUG : RTE_LOG_NOTICE;
1406 rte_set_log_level (log_level);
1410 ret = rte_eal_init(vec_len(dm->eal_init_args), (char **) dm->eal_init_args);
1412 /* lazy umount hugepages */
1413 umount2(DEFAULT_HUGE_DIR, MNT_DETACH);
1416 return clib_error_return (0, "rte_eal_init returned %d", ret);
1418 /* main thread 1st */
1419 error = vlib_buffer_pool_create(vm, dm->num_mbufs, MBUF_SIZE, rte_socket_id());
1423 for (i = 0; i < RTE_MAX_LCORE; i++)
1425 error = vlib_buffer_pool_create(vm, dm->num_mbufs, MBUF_SIZE,
1426 rte_lcore_to_socket_id(i));
1433 vlib_node_runtime_t * rt = vlib_node_get_runtime (vm, dpdk_input_node.index);
1434 rt->function = dpdk_input_rss;
1440 VLIB_CONFIG_FUNCTION (dpdk_config, "dpdk");
1442 void dpdk_update_link_state (dpdk_device_t * xd, f64 now)
1444 vnet_main_t * vnm = vnet_get_main();
1445 struct rte_eth_link prev_link = xd->link;
1447 u8 hw_flags_chg = 0;
1449 /* only update link state for PMD interfaces */
1450 if (xd->dev_type != VNET_DPDK_DEV_ETH)
1453 xd->time_last_link_update = now ? now : xd->time_last_link_update;
1454 memset(&xd->link, 0, sizeof(xd->link));
1455 rte_eth_link_get_nowait (xd->device_index, &xd->link);
1457 if (LINK_STATE_ELOGS)
1459 vlib_main_t * vm = vlib_get_main();
1460 ELOG_TYPE_DECLARE(e) = {
1462 "update-link-state: sw_if_index %d, admin_up %d,"
1463 "old link_state %d new link_state %d",
1464 .format_args = "i4i1i1i1",
1467 struct { u32 sw_if_index; u8 admin_up;
1468 u8 old_link_state; u8 new_link_state;} *ed;
1469 ed = ELOG_DATA (&vm->elog_main, e);
1470 ed->sw_if_index = xd->vlib_sw_if_index;
1471 ed->admin_up = xd->admin_up;
1472 ed->old_link_state = (u8)
1473 vnet_hw_interface_is_link_up (vnm, xd->vlib_hw_if_index);
1474 ed->new_link_state = (u8) xd->link.link_status;
1477 if ((xd->admin_up == 1) &&
1478 ((xd->link.link_status != 0) ^
1479 vnet_hw_interface_is_link_up (vnm, xd->vlib_hw_if_index)))
1482 hw_flags |= (xd->link.link_status ?
1483 VNET_HW_INTERFACE_FLAG_LINK_UP: 0);
1486 if (hw_flags_chg || (xd->link.link_duplex != prev_link.link_duplex))
1489 switch (xd->link.link_duplex)
1491 case ETH_LINK_HALF_DUPLEX:
1492 hw_flags |= VNET_HW_INTERFACE_FLAG_HALF_DUPLEX;
1494 case ETH_LINK_FULL_DUPLEX:
1495 hw_flags |= VNET_HW_INTERFACE_FLAG_FULL_DUPLEX;
1501 if (hw_flags_chg || (xd->link.link_speed != prev_link.link_speed))
1504 switch (xd->link.link_speed)
1506 case ETH_LINK_SPEED_10:
1507 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10M;
1509 case ETH_LINK_SPEED_100:
1510 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_100M;
1512 case ETH_LINK_SPEED_1000:
1513 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_1G;
1515 case ETH_LINK_SPEED_10000:
1516 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10G;
1518 case ETH_LINK_SPEED_40G:
1519 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_40G;
1524 clib_warning("unknown link speed %d", xd->link.link_speed);
1530 if (LINK_STATE_ELOGS)
1532 vlib_main_t * vm = vlib_get_main();
1534 ELOG_TYPE_DECLARE(e) = {
1535 .format = "update-link-state: sw_if_index %d, new flags %d",
1536 .format_args = "i4i4",
1539 struct { u32 sw_if_index; u32 flags; } *ed;
1540 ed = ELOG_DATA (&vm->elog_main, e);
1541 ed->sw_if_index = xd->vlib_sw_if_index;
1542 ed->flags = hw_flags;
1544 vnet_hw_interface_set_flags (vnm, xd->vlib_hw_if_index, hw_flags);
1549 dpdk_process (vlib_main_t * vm,
1550 vlib_node_runtime_t * rt,
1553 clib_error_t * error;
1554 dpdk_main_t * dm = &dpdk_main;
1556 vlib_thread_main_t * tm = vlib_get_thread_main();
1560 error = dpdk_lib_init (dm);
1563 * Turn on the input node if we found some devices to drive
1564 * and we're not running worker threads or i/o threads
1567 if (error == 0 && vec_len(dm->devices) > 0)
1569 if (tm->n_vlib_mains == 1)
1570 vlib_node_set_state (vm, dpdk_input_node.index,
1571 VLIB_NODE_STATE_POLLING);
1572 else if (tm->main_thread_is_io_node)
1573 vlib_node_set_state (vm, dpdk_io_input_node.index,
1574 VLIB_NODE_STATE_POLLING);
1575 else if (!dm->have_io_threads)
1576 for (i=0; i < tm->n_vlib_mains; i++)
1577 if (vec_len(dm->devices_by_cpu[i]) > 0)
1578 vlib_node_set_state (vlib_mains[i], dpdk_input_node.index,
1579 VLIB_NODE_STATE_POLLING);
1583 clib_error_report (error);
1585 dpdk_vhost_user_process_init(&vu_state);
1587 dm->io_thread_release = 1;
1589 f64 now = vlib_time_now (vm);
1590 vec_foreach (xd, dm->devices)
1592 dpdk_update_link_state (xd, now);
1597 vlib_process_wait_for_event_or_clock (vm, 5.0);
1599 if (dpdk_get_admin_up_down_in_progress())
1600 /* skip the poll if an admin up down is in progress (on any interface) */
1603 vec_foreach (xd, dm->devices)
1605 f64 now = vlib_time_now (vm);
1606 if ((now - xd->time_last_stats_update) >= DPDK_STATS_POLL_INTERVAL)
1607 dpdk_update_counters (xd, now);
1608 if ((now - xd->time_last_link_update) >= DPDK_LINK_POLL_INTERVAL)
1609 dpdk_update_link_state (xd, now);
1611 if (xd->dev_type == VNET_DPDK_DEV_VHOST_USER)
1612 if (dpdk_vhost_user_process_if(vm, xd, vu_state) != 0)
1617 dpdk_vhost_user_process_cleanup(vu_state);
1622 VLIB_REGISTER_NODE (dpdk_process_node,static) = {
1623 .function = dpdk_process,
1624 .type = VLIB_NODE_TYPE_PROCESS,
1625 .name = "dpdk-process",
1626 .process_log2_n_stack_bytes = 17,
1630 dpdk_init (vlib_main_t * vm)
1632 dpdk_main_t * dm = &dpdk_main;
1634 clib_error_t * error = 0;
1635 vlib_thread_main_t * tm = vlib_get_thread_main();
1637 /* verify that structs are cacheline aligned */
1638 ASSERT(offsetof(dpdk_device_t, cacheline0) == 0);
1639 ASSERT(offsetof(dpdk_device_t, cacheline1) == CLIB_CACHE_LINE_BYTES);
1640 ASSERT(offsetof(dpdk_worker_t, cacheline0) == 0);
1641 ASSERT(offsetof(frame_queue_trace_t, cacheline0) == 0);
1643 /* Add references to DPDK Driver Constructor functions to get the dynamic
1644 * loader to pull in the driver library & run the constructors.
1648 void devinitfn_ ##d(void); \
1649 __attribute__((unused)) void (* volatile pf)(void); \
1650 pf = devinitfn_ ##d; \
1653 #ifdef RTE_LIBRTE_EM_PMD
1657 #ifdef RTE_LIBRTE_IGB_PMD
1661 #ifdef RTE_LIBRTE_IXGBE_PMD
1665 #ifdef RTE_LIBRTE_I40E_PMD
1667 _(rte_i40evf_driver)
1670 #ifdef RTE_LIBRTE_FM10K_PMD
1674 #ifdef RTE_LIBRTE_VIRTIO_PMD
1675 _(rte_virtio_driver)
1678 #ifdef RTE_LIBRTE_VMXNET3_PMD
1679 _(rte_vmxnet3_driver)
1682 #ifdef RTE_LIBRTE_VICE_PMD
1686 #ifdef RTE_LIBRTE_ENIC_PMD
1690 #ifdef RTE_LIBRTE_PMD_AF_PACKET
1691 _(pmd_af_packet_drv)
1694 #ifdef RTE_LIBRTE_CXGBE_PMD
1701 * At the moment, the ThunderX NIC driver doesn't have
1702 * an entry point named "devinitfn_rte_xxx_driver"
1707 __attribute__((unused)) void (* volatile pf)(void); \
1711 #ifdef RTE_LIBRTE_THUNDERVNIC_PMD
1712 _(rte_nicvf_pmd_init)
1717 dm->vnet_main = vnet_get_main();
1719 ei = vlib_get_node_by_name (vm, (u8 *) "ethernet-input");
1721 return clib_error_return (0, "ethernet-input node AWOL");
1723 dm->ethernet_input_node_index = ei->index;
1726 dm->num_mbufs = dm->num_mbufs ? dm->num_mbufs : NB_MBUF;
1727 vec_add1 (dm->eal_init_args, (u8 *) "vnet");
1729 dm->dpdk_device_by_kni_port_id = hash_create (0, sizeof (uword));
1730 dm->vu_sw_if_index_by_listener_fd = hash_create (0, sizeof (uword));
1731 dm->vu_sw_if_index_by_sock_fd = hash_create (0, sizeof (uword));
1733 /* $$$ use n_thread_stacks since it's known-good at this point */
1734 vec_validate (dm->recycle, tm->n_thread_stacks - 1);
1736 /* initialize EFD (early fast discard) default settings */
1737 dm->efd.enabled = DPDK_EFD_DISABLED;
1738 dm->efd.queue_hi_thresh = ((DPDK_EFD_DEFAULT_DEVICE_QUEUE_HI_THRESH_PCT *
1739 DPDK_NB_RX_DESC_10GE)/100);
1740 dm->efd.consec_full_frames_hi_thresh =
1741 DPDK_EFD_DEFAULT_CONSEC_FULL_FRAMES_HI_THRESH;
1743 /* vhost-user coalescence frames defaults */
1744 dm->vhost_coalesce_frames = 32;
1745 dm->vhost_coalesce_time = 1e-3;
1748 if ((error = vlib_call_init_function (vm, dpdk_cli_init)))
1754 VLIB_INIT_FUNCTION (dpdk_init);