+++ /dev/null
-/*
- * Copyright (c) 2015 Cisco and/or its affiliates.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-#include <vnet/vnet.h>
-#include <vppinfra/vec.h>
-#include <vppinfra/error.h>
-#include <vppinfra/format.h>
-#include <vppinfra/bitmap.h>
-
-#include <vnet/ethernet/ethernet.h>
-#include <vnet/devices/dpdk/dpdk.h>
-#include <vlib/unix/physmem.h>
-#include <vlib/pci/pci.h>
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <sys/stat.h>
-#include <sys/mount.h>
-#include <string.h>
-#include <fcntl.h>
-
-#include "dpdk_priv.h"
-
-dpdk_main_t dpdk_main;
-
-/* force linker to link functions used by vlib and declared weak */
-void *vlib_weakly_linked_functions[] = {
- &rte_pktmbuf_init,
- &rte_pktmbuf_pool_init,
-};
-
-#define LINK_STATE_ELOGS 0
-
-#define DEFAULT_HUGE_DIR "/run/vpp/hugepages"
-#define VPP_RUN_DIR "/run/vpp"
-
-/* Port configuration, mildly modified Intel app values */
-
-static struct rte_eth_conf port_conf_template = {
- .rxmode = {
- .split_hdr_size = 0,
- .header_split = 0, /**< Header Split disabled */
- .hw_ip_checksum = 0, /**< IP checksum offload disabled */
- .hw_vlan_filter = 0, /**< VLAN filtering disabled */
- .hw_strip_crc = 0, /**< CRC stripped by hardware */
- },
- .txmode = {
- .mq_mode = ETH_MQ_TX_NONE,
- },
-};
-
-clib_error_t *
-dpdk_port_setup (dpdk_main_t * dm, dpdk_device_t * xd)
-{
- vlib_main_t *vm = vlib_get_main ();
- vlib_buffer_main_t *bm = vm->buffer_main;
- int rv;
- int j;
-
- ASSERT (os_get_cpu_number () == 0);
-
- if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
- {
- vnet_hw_interface_set_flags (dm->vnet_main, xd->vlib_hw_if_index, 0);
- rte_eth_dev_stop (xd->device_index);
- }
-
- rv = rte_eth_dev_configure (xd->device_index, xd->rx_q_used,
- xd->tx_q_used, &xd->port_conf);
-
- if (rv < 0)
- return clib_error_return (0, "rte_eth_dev_configure[%d]: err %d",
- xd->device_index, rv);
-
- /* Set up one TX-queue per worker thread */
- for (j = 0; j < xd->tx_q_used; j++)
- {
- rv = rte_eth_tx_queue_setup (xd->device_index, j, xd->nb_tx_desc,
- xd->cpu_socket, &xd->tx_conf);
-
- /* retry with any other CPU socket */
- if (rv < 0)
- rv = rte_eth_tx_queue_setup (xd->device_index, j, xd->nb_tx_desc,
- SOCKET_ID_ANY, &xd->tx_conf);
- if (rv < 0)
- break;
- }
-
- if (rv < 0)
- return clib_error_return (0, "rte_eth_tx_queue_setup[%d]: err %d",
- xd->device_index, rv);
-
- for (j = 0; j < xd->rx_q_used; j++)
- {
-
- rv = rte_eth_rx_queue_setup (xd->device_index, j, xd->nb_rx_desc,
- xd->cpu_socket, 0,
- bm->
- pktmbuf_pools[xd->cpu_socket_id_by_queue
- [j]]);
-
- /* retry with any other CPU socket */
- if (rv < 0)
- rv = rte_eth_rx_queue_setup (xd->device_index, j, xd->nb_rx_desc,
- SOCKET_ID_ANY, 0,
- bm->
- pktmbuf_pools[xd->cpu_socket_id_by_queue
- [j]]);
- if (rv < 0)
- return clib_error_return (0, "rte_eth_rx_queue_setup[%d]: err %d",
- xd->device_index, rv);
- }
-
- if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
- {
- int rv;
- rv = rte_eth_dev_start (xd->device_index);
- if (rv < 0)
- clib_warning ("rte_eth_dev_start %d returned %d",
- xd->device_index, rv);
- }
- return 0;
-}
-
-static u32
-dpdk_flag_change (vnet_main_t * vnm, vnet_hw_interface_t * hi, u32 flags)
-{
- dpdk_main_t *dm = &dpdk_main;
- dpdk_device_t *xd = vec_elt_at_index (dm->devices, hi->dev_instance);
- u32 old = 0;
-
- if (ETHERNET_INTERFACE_FLAG_CONFIG_PROMISC (flags))
- {
- old = (xd->flags & DPDK_DEVICE_FLAG_PROMISC) != 0;
-
- if (flags & ETHERNET_INTERFACE_FLAG_ACCEPT_ALL)
- xd->flags |= DPDK_DEVICE_FLAG_PROMISC;
- else
- xd->flags &= ~DPDK_DEVICE_FLAG_PROMISC;
-
- if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
- {
- if (xd->flags & DPDK_DEVICE_FLAG_PROMISC)
- rte_eth_promiscuous_enable (xd->device_index);
- else
- rte_eth_promiscuous_disable (xd->device_index);
- }
- }
- else if (ETHERNET_INTERFACE_FLAG_CONFIG_MTU (flags))
- {
- /*
- * DAW-FIXME: The Cisco VIC firmware does not provide an api for a
- * driver to dynamically change the mtu. If/when the
- * VIC firmware gets fixed, then this should be removed.
- */
- if (xd->pmd == VNET_DPDK_PMD_ENIC)
- {
- struct rte_eth_dev_info dev_info;
-
- /*
- * Restore mtu to what has been set by CIMC in the firmware cfg.
- */
- rte_eth_dev_info_get (xd->device_index, &dev_info);
- hi->max_packet_bytes = dev_info.max_rx_pktlen;
-
- vlib_cli_output (vlib_get_main (),
- "Cisco VIC mtu can only be changed "
- "using CIMC then rebooting the server!");
- }
- else
- {
- int rv;
-
- xd->port_conf.rxmode.max_rx_pkt_len = hi->max_packet_bytes;
-
- if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
- rte_eth_dev_stop (xd->device_index);
-
- rv = rte_eth_dev_configure
- (xd->device_index, xd->rx_q_used, xd->tx_q_used, &xd->port_conf);
-
- if (rv < 0)
- vlib_cli_output (vlib_get_main (),
- "rte_eth_dev_configure[%d]: err %d",
- xd->device_index, rv);
-
- rte_eth_dev_set_mtu (xd->device_index, hi->max_packet_bytes);
-
- if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
- {
- int rv = rte_eth_dev_start (xd->device_index);
- if (rv < 0)
- clib_warning ("rte_eth_dev_start %d returned %d",
- xd->device_index, rv);
- }
- }
- }
- return old;
-}
-
-void
-dpdk_device_lock_init (dpdk_device_t * xd)
-{
- int q;
- vec_validate (xd->lockp, xd->tx_q_used - 1);
- for (q = 0; q < xd->tx_q_used; q++)
- {
- xd->lockp[q] = clib_mem_alloc_aligned (CLIB_CACHE_LINE_BYTES,
- CLIB_CACHE_LINE_BYTES);
- memset ((void *) xd->lockp[q], 0, CLIB_CACHE_LINE_BYTES);
- }
-}
-
-void
-dpdk_device_lock_free (dpdk_device_t * xd)
-{
- int q;
-
- for (q = 0; q < vec_len (xd->lockp); q++)
- clib_mem_free ((void *) xd->lockp[q]);
- vec_free (xd->lockp);
- xd->lockp = 0;
-}
-
-static clib_error_t *
-dpdk_lib_init (dpdk_main_t * dm)
-{
- u32 nports;
- u32 nb_desc = 0;
- int i;
- clib_error_t *error;
- vlib_main_t *vm = vlib_get_main ();
- vlib_thread_main_t *tm = vlib_get_thread_main ();
- vnet_sw_interface_t *sw;
- vnet_hw_interface_t *hi;
- dpdk_device_t *xd;
- vlib_pci_addr_t last_pci_addr;
- u32 last_pci_addr_port = 0;
- vlib_thread_registration_t *tr, *tr_hqos;
- uword *p, *p_hqos;
-
- u32 next_cpu = 0, next_hqos_cpu = 0;
- u8 af_packet_port_id = 0;
- last_pci_addr.as_u32 = ~0;
-
- dm->input_cpu_first_index = 0;
- dm->input_cpu_count = 1;
-
- /* find out which cpus will be used for input */
- p = hash_get_mem (tm->thread_registrations_by_name, "workers");
- tr = p ? (vlib_thread_registration_t *) p[0] : 0;
-
- if (tr && tr->count > 0)
- {
- dm->input_cpu_first_index = tr->first_index;
- dm->input_cpu_count = tr->count;
- }
-
- vec_validate_aligned (dm->devices_by_cpu, tm->n_vlib_mains - 1,
- CLIB_CACHE_LINE_BYTES);
-
- vec_validate_aligned (dm->workers, tm->n_vlib_mains - 1,
- CLIB_CACHE_LINE_BYTES);
-
- dm->hqos_cpu_first_index = 0;
- dm->hqos_cpu_count = 0;
-
- /* find out which cpus will be used for I/O TX */
- p_hqos = hash_get_mem (tm->thread_registrations_by_name, "hqos-threads");
- tr_hqos = p_hqos ? (vlib_thread_registration_t *) p_hqos[0] : 0;
-
- if (tr_hqos && tr_hqos->count > 0)
- {
- dm->hqos_cpu_first_index = tr_hqos->first_index;
- dm->hqos_cpu_count = tr_hqos->count;
- }
-
- vec_validate_aligned (dm->devices_by_hqos_cpu, tm->n_vlib_mains - 1,
- CLIB_CACHE_LINE_BYTES);
-
- vec_validate_aligned (dm->hqos_threads, tm->n_vlib_mains - 1,
- CLIB_CACHE_LINE_BYTES);
-
- nports = rte_eth_dev_count ();
- if (nports < 1)
- {
- clib_warning ("DPDK drivers found no ports...");
- }
-
- if (CLIB_DEBUG > 0)
- clib_warning ("DPDK drivers found %d ports...", nports);
-
- /*
- * All buffers are all allocated from the same rte_mempool.
- * Thus they all have the same number of data bytes.
- */
- dm->vlib_buffer_free_list_index =
- vlib_buffer_get_or_create_free_list (vm,
- VLIB_BUFFER_DEFAULT_FREE_LIST_BYTES,
- "dpdk rx");
-
- if (dm->conf->enable_tcp_udp_checksum)
- dm->buffer_flags_template &= ~(IP_BUFFER_L4_CHECKSUM_CORRECT
- | IP_BUFFER_L4_CHECKSUM_COMPUTED);
-
- for (i = 0; i < nports; i++)
- {
- u8 addr[6];
- u8 vlan_strip = 0;
- int j;
- struct rte_eth_dev_info dev_info;
- clib_error_t *rv;
- struct rte_eth_link l;
- dpdk_device_config_t *devconf = 0;
- vlib_pci_addr_t pci_addr;
- uword *p = 0;
-
- rte_eth_dev_info_get (i, &dev_info);
- if (dev_info.pci_dev) /* bonded interface has no pci info */
- {
- pci_addr.domain = dev_info.pci_dev->addr.domain;
- pci_addr.bus = dev_info.pci_dev->addr.bus;
- pci_addr.slot = dev_info.pci_dev->addr.devid;
- pci_addr.function = dev_info.pci_dev->addr.function;
- p =
- hash_get (dm->conf->device_config_index_by_pci_addr,
- pci_addr.as_u32);
- }
-
- if (p)
- devconf = pool_elt_at_index (dm->conf->dev_confs, p[0]);
- else
- devconf = &dm->conf->default_devconf;
-
- /* Create vnet interface */
- vec_add2_aligned (dm->devices, xd, 1, CLIB_CACHE_LINE_BYTES);
- xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
- xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
- xd->cpu_socket = (i8) rte_eth_dev_socket_id (i);
-
- /* Handle interface naming for devices with multiple ports sharing same PCI ID */
- if (dev_info.pci_dev)
- {
- struct rte_eth_dev_info di = { 0 };
- rte_eth_dev_info_get (i + 1, &di);
- if (di.pci_dev && pci_addr.as_u32 != last_pci_addr.as_u32 &&
- memcmp (&dev_info.pci_dev->addr, &di.pci_dev->addr,
- sizeof (struct rte_pci_addr)) == 0)
- {
- xd->interface_name_suffix = format (0, "0");
- last_pci_addr.as_u32 = pci_addr.as_u32;
- last_pci_addr_port = i;
- }
- else if (pci_addr.as_u32 == last_pci_addr.as_u32)
- {
- xd->interface_name_suffix =
- format (0, "%u", i - last_pci_addr_port);
- }
- else
- {
- last_pci_addr.as_u32 = ~0;
- }
- }
- else
- last_pci_addr.as_u32 = ~0;
-
- clib_memcpy (&xd->tx_conf, &dev_info.default_txconf,
- sizeof (struct rte_eth_txconf));
- if (dm->conf->no_multi_seg)
- {
- xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
- port_conf_template.rxmode.jumbo_frame = 0;
- }
- else
- {
- xd->tx_conf.txq_flags &= ~ETH_TXQ_FLAGS_NOMULTSEGS;
- port_conf_template.rxmode.jumbo_frame = 1;
- xd->flags |= DPDK_DEVICE_FLAG_MAYBE_MULTISEG;
- }
-
- clib_memcpy (&xd->port_conf, &port_conf_template,
- sizeof (struct rte_eth_conf));
-
- xd->tx_q_used = clib_min (dev_info.max_tx_queues, tm->n_vlib_mains);
-
- if (devconf->num_tx_queues > 0
- && devconf->num_tx_queues < xd->tx_q_used)
- xd->tx_q_used = clib_min (xd->tx_q_used, devconf->num_tx_queues);
-
- if (devconf->num_rx_queues > 1 && dm->use_rss == 0)
- {
- dm->use_rss = 1;
- }
-
- if (devconf->num_rx_queues > 1
- && dev_info.max_rx_queues >= devconf->num_rx_queues)
- {
- xd->rx_q_used = devconf->num_rx_queues;
- xd->port_conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
- if (devconf->rss_fn == 0)
- xd->port_conf.rx_adv_conf.rss_conf.rss_hf =
- ETH_RSS_IP | ETH_RSS_UDP | ETH_RSS_TCP;
- else
- xd->port_conf.rx_adv_conf.rss_conf.rss_hf = devconf->rss_fn;
- }
- else
- xd->rx_q_used = 1;
-
- xd->flags |= DPDK_DEVICE_FLAG_PMD;
-
- /* workaround for drivers not setting driver_name */
- if ((!dev_info.driver_name) && (dev_info.pci_dev))
-#if RTE_VERSION < RTE_VERSION_NUM(16, 11, 0, 0)
- dev_info.driver_name = dev_info.pci_dev->driver->name;
-#else
- dev_info.driver_name = dev_info.pci_dev->driver->driver.name;
-#endif
- ASSERT (dev_info.driver_name);
-
- if (!xd->pmd)
- {
-
-
-#define _(s,f) else if (dev_info.driver_name && \
- !strcmp(dev_info.driver_name, s)) \
- xd->pmd = VNET_DPDK_PMD_##f;
- if (0)
- ;
- foreach_dpdk_pmd
-#undef _
- else
- xd->pmd = VNET_DPDK_PMD_UNKNOWN;
-
- xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
- xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
- xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
-
- switch (xd->pmd)
- {
- /* 1G adapters */
- case VNET_DPDK_PMD_E1000EM:
- case VNET_DPDK_PMD_IGB:
- case VNET_DPDK_PMD_IGBVF:
- xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
- break;
-
- /* 10G adapters */
- case VNET_DPDK_PMD_IXGBE:
- case VNET_DPDK_PMD_IXGBEVF:
- case VNET_DPDK_PMD_THUNDERX:
- xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
- break;
- case VNET_DPDK_PMD_DPAA2:
- xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
- break;
-
- /* Cisco VIC */
- case VNET_DPDK_PMD_ENIC:
- rte_eth_link_get_nowait (i, &l);
- xd->flags |= DPDK_DEVICE_FLAG_PMD_SUPPORTS_PTYPE;
- if (l.link_speed == 40000)
- xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
- else
- xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
- break;
-
- /* Intel Fortville */
- case VNET_DPDK_PMD_I40E:
- case VNET_DPDK_PMD_I40EVF:
- xd->flags |= DPDK_DEVICE_FLAG_PMD_SUPPORTS_PTYPE;
- xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
-
- switch (dev_info.pci_dev->id.device_id)
- {
- case I40E_DEV_ID_10G_BASE_T:
- case I40E_DEV_ID_SFP_XL710:
- xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
- break;
- case I40E_DEV_ID_QSFP_A:
- case I40E_DEV_ID_QSFP_B:
- case I40E_DEV_ID_QSFP_C:
- xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
- break;
- case I40E_DEV_ID_VF:
- rte_eth_link_get_nowait (i, &l);
- xd->port_type = l.link_speed == 10000 ?
- VNET_DPDK_PORT_TYPE_ETH_10G : VNET_DPDK_PORT_TYPE_ETH_40G;
- break;
- default:
- xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
- }
- break;
-
- case VNET_DPDK_PMD_CXGBE:
- switch (dev_info.pci_dev->id.device_id)
- {
- case 0x540d: /* T580-CR */
- case 0x5410: /* T580-LP-cr */
- xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
- break;
- case 0x5403: /* T540-CR */
- xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
- break;
- default:
- xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
- }
- break;
-
- case VNET_DPDK_PMD_MLX5:
- {
- char *pn_100g[] = { "MCX415A-CCAT", "MCX416A-CCAT", 0 };
- char *pn_40g[] = { "MCX413A-BCAT", "MCX414A-BCAT",
- "MCX415A-BCAT", "MCX416A-BCAT", "MCX4131A-BCAT", 0
- };
- char *pn_10g[] = { "MCX4111A-XCAT", "MCX4121A-XCAT", 0 };
-
- vlib_pci_device_t *pd = vlib_get_pci_device (&pci_addr);
- u8 *pn = 0;
- char **c;
- int found = 0;
- pn = format (0, "%U%c",
- format_vlib_pci_vpd, pd->vpd_r, "PN", 0);
-
- if (!pn)
- break;
-
- c = pn_100g;
- while (!found && c[0])
- {
- if (strncmp ((char *) pn, c[0], strlen (c[0])) == 0)
- {
- xd->port_type = VNET_DPDK_PORT_TYPE_ETH_100G;
- break;
- }
- c++;
- }
-
- c = pn_40g;
- while (!found && c[0])
- {
- if (strncmp ((char *) pn, c[0], strlen (c[0])) == 0)
- {
- xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
- break;
- }
- c++;
- }
-
- c = pn_10g;
- while (!found && c[0])
- {
- if (strncmp ((char *) pn, c[0], strlen (c[0])) == 0)
- {
- xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
- break;
- }
- c++;
- }
-
- vec_free (pn);
- }
-
- break;
- /* Intel Red Rock Canyon */
- case VNET_DPDK_PMD_FM10K:
- xd->port_type = VNET_DPDK_PORT_TYPE_ETH_SWITCH;
- break;
-
- /* virtio */
- case VNET_DPDK_PMD_VIRTIO:
- xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
- xd->nb_rx_desc = DPDK_NB_RX_DESC_VIRTIO;
- xd->nb_tx_desc = DPDK_NB_TX_DESC_VIRTIO;
- break;
-
- /* vmxnet3 */
- case VNET_DPDK_PMD_VMXNET3:
- xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
- xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
- break;
-
- case VNET_DPDK_PMD_AF_PACKET:
- xd->port_type = VNET_DPDK_PORT_TYPE_AF_PACKET;
- xd->af_packet_port_id = af_packet_port_id++;
- break;
-
- case VNET_DPDK_PMD_BOND:
- xd->flags |= DPDK_DEVICE_FLAG_PMD_SUPPORTS_PTYPE;
- xd->port_type = VNET_DPDK_PORT_TYPE_ETH_BOND;
- break;
-
- default:
- xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
- }
-
- if (devconf->num_rx_desc)
- xd->nb_rx_desc = devconf->num_rx_desc;
-
- if (devconf->num_tx_desc)
- xd->nb_tx_desc = devconf->num_tx_desc;
- }
-
- /*
- * Ensure default mtu is not > the mtu read from the hardware.
- * Otherwise rte_eth_dev_configure() will fail and the port will
- * not be available.
- */
- if (ETHERNET_MAX_PACKET_BYTES > dev_info.max_rx_pktlen)
- {
- /*
- * This device does not support the platforms's max frame
- * size. Use it's advertised mru instead.
- */
- xd->port_conf.rxmode.max_rx_pkt_len = dev_info.max_rx_pktlen;
- }
- else
- {
- xd->port_conf.rxmode.max_rx_pkt_len = ETHERNET_MAX_PACKET_BYTES;
-
- /*
- * Some platforms do not account for Ethernet FCS (4 bytes) in
- * MTU calculations. To interop with them increase mru but only
- * if the device's settings can support it.
- */
- if ((dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES + 4)) &&
- xd->port_conf.rxmode.hw_strip_crc)
- {
- /*
- * Allow additional 4 bytes (for Ethernet FCS). These bytes are
- * stripped by h/w and so will not consume any buffer memory.
- */
- xd->port_conf.rxmode.max_rx_pkt_len += 4;
- }
- }
-
- if (xd->pmd == VNET_DPDK_PMD_AF_PACKET)
- {
- f64 now = vlib_time_now (vm);
- u32 rnd;
- rnd = (u32) (now * 1e6);
- rnd = random_u32 (&rnd);
- clib_memcpy (addr + 2, &rnd, sizeof (rnd));
- addr[0] = 2;
- addr[1] = 0xfe;
- }
- else
- rte_eth_macaddr_get (i, (struct ether_addr *) addr);
-
- if (xd->tx_q_used < tm->n_vlib_mains)
- dpdk_device_lock_init (xd);
-
- xd->device_index = xd - dm->devices;
- ASSERT (i == xd->device_index);
- xd->per_interface_next_index = ~0;
-
- /* assign interface to input thread */
- dpdk_device_and_queue_t *dq;
- int q;
-
- if (devconf->workers)
- {
- int i;
- q = 0;
- /* *INDENT-OFF* */
- clib_bitmap_foreach (i, devconf->workers, ({
- int cpu = dm->input_cpu_first_index + i;
- unsigned lcore = vlib_worker_threads[cpu].lcore_id;
- vec_validate(xd->cpu_socket_id_by_queue, q);
- xd->cpu_socket_id_by_queue[q] = rte_lcore_to_socket_id(lcore);
- vec_add2(dm->devices_by_cpu[cpu], dq, 1);
- dq->device = xd->device_index;
- dq->queue_id = q++;
- }));
- /* *INDENT-ON* */
- }
- else
- for (q = 0; q < xd->rx_q_used; q++)
- {
- int cpu = dm->input_cpu_first_index + next_cpu;
- unsigned lcore = vlib_worker_threads[cpu].lcore_id;
-
- /*
- * numa node for worker thread handling this queue
- * needed for taking buffers from the right mempool
- */
- vec_validate (xd->cpu_socket_id_by_queue, q);
- xd->cpu_socket_id_by_queue[q] = rte_lcore_to_socket_id (lcore);
-
- /*
- * construct vector of (device,queue) pairs for each worker thread
- */
- vec_add2 (dm->devices_by_cpu[cpu], dq, 1);
- dq->device = xd->device_index;
- dq->queue_id = q;
-
- next_cpu++;
- if (next_cpu == dm->input_cpu_count)
- next_cpu = 0;
- }
-
-
- if (devconf->hqos_enabled)
- {
- xd->flags |= DPDK_DEVICE_FLAG_HQOS;
-
- if (devconf->hqos.hqos_thread_valid)
- {
- int cpu = dm->hqos_cpu_first_index + devconf->hqos.hqos_thread;
-
- if (devconf->hqos.hqos_thread >= dm->hqos_cpu_count)
- return clib_error_return (0, "invalid HQoS thread index");
-
- vec_add2 (dm->devices_by_hqos_cpu[cpu], dq, 1);
- dq->device = xd->device_index;
- dq->queue_id = 0;
- }
- else
- {
- int cpu = dm->hqos_cpu_first_index + next_hqos_cpu;
-
- if (dm->hqos_cpu_count == 0)
- return clib_error_return (0, "no HQoS threads available");
-
- vec_add2 (dm->devices_by_hqos_cpu[cpu], dq, 1);
- dq->device = xd->device_index;
- dq->queue_id = 0;
-
- next_hqos_cpu++;
- if (next_hqos_cpu == dm->hqos_cpu_count)
- next_hqos_cpu = 0;
-
- devconf->hqos.hqos_thread_valid = 1;
- devconf->hqos.hqos_thread = cpu;
- }
- }
-
- vec_validate_aligned (xd->tx_vectors, tm->n_vlib_mains,
- CLIB_CACHE_LINE_BYTES);
- for (j = 0; j < tm->n_vlib_mains; j++)
- {
- vec_validate_ha (xd->tx_vectors[j], xd->nb_tx_desc,
- sizeof (tx_ring_hdr_t), CLIB_CACHE_LINE_BYTES);
- vec_reset_length (xd->tx_vectors[j]);
- }
-
- vec_validate_aligned (xd->rx_vectors, xd->rx_q_used,
- CLIB_CACHE_LINE_BYTES);
- for (j = 0; j < xd->rx_q_used; j++)
- {
- vec_validate_aligned (xd->rx_vectors[j], VLIB_FRAME_SIZE - 1,
- CLIB_CACHE_LINE_BYTES);
- vec_reset_length (xd->rx_vectors[j]);
- }
-
- vec_validate_aligned (xd->d_trace_buffers, tm->n_vlib_mains,
- CLIB_CACHE_LINE_BYTES);
-
- rv = dpdk_port_setup (dm, xd);
-
- if (rv)
- return rv;
-
- if (devconf->hqos_enabled)
- {
- rv = dpdk_port_setup_hqos (xd, &devconf->hqos);
- if (rv)
- return rv;
- }
-
- /* count the number of descriptors used for this device */
- nb_desc += xd->nb_rx_desc + xd->nb_tx_desc * xd->tx_q_used;
-
- error = ethernet_register_interface
- (dm->vnet_main, dpdk_device_class.index, xd->device_index,
- /* ethernet address */ addr,
- &xd->vlib_hw_if_index, dpdk_flag_change);
- if (error)
- return error;
-
- sw = vnet_get_hw_sw_interface (dm->vnet_main, xd->vlib_hw_if_index);
- xd->vlib_sw_if_index = sw->sw_if_index;
- hi = vnet_get_hw_interface (dm->vnet_main, xd->vlib_hw_if_index);
-
- /*
- * DAW-FIXME: The Cisco VIC firmware does not provide an api for a
- * driver to dynamically change the mtu. If/when the
- * VIC firmware gets fixed, then this should be removed.
- */
- if (xd->pmd == VNET_DPDK_PMD_ENIC)
- {
- /*
- * Initialize mtu to what has been set by CIMC in the firmware cfg.
- */
- hi->max_packet_bytes = dev_info.max_rx_pktlen;
- if (devconf->vlan_strip_offload != DPDK_DEVICE_VLAN_STRIP_OFF)
- vlan_strip = 1; /* remove vlan tag from VIC port by default */
- else
- clib_warning ("VLAN strip disabled for interface\n");
- }
- else if (devconf->vlan_strip_offload == DPDK_DEVICE_VLAN_STRIP_ON)
- vlan_strip = 1;
-
- if (vlan_strip)
- {
- int vlan_off;
- vlan_off = rte_eth_dev_get_vlan_offload (xd->device_index);
- vlan_off |= ETH_VLAN_STRIP_OFFLOAD;
- xd->port_conf.rxmode.hw_vlan_strip = vlan_off;
- if (rte_eth_dev_set_vlan_offload (xd->device_index, vlan_off) == 0)
- clib_warning ("VLAN strip enabled for interface\n");
- else
- clib_warning ("VLAN strip cannot be supported by interface\n");
- }
-
- hi->max_l3_packet_bytes[VLIB_RX] = hi->max_l3_packet_bytes[VLIB_TX] =
- xd->port_conf.rxmode.max_rx_pkt_len - sizeof (ethernet_header_t);
-
- rte_eth_dev_set_mtu (xd->device_index, hi->max_packet_bytes);
- }
-
- if (nb_desc > dm->conf->num_mbufs)
- clib_warning ("%d mbufs allocated but total rx/tx ring size is %d\n",
- dm->conf->num_mbufs, nb_desc);
-
- return 0;
-}
-
-static void
-dpdk_bind_devices_to_uio (dpdk_config_main_t * conf)
-{
- vlib_pci_main_t *pm = &pci_main;
- clib_error_t *error;
- vlib_pci_device_t *d;
- u8 *pci_addr = 0;
- int num_whitelisted = vec_len (conf->dev_confs);
-
- /* *INDENT-OFF* */
- pool_foreach (d, pm->pci_devs, ({
- dpdk_device_config_t * devconf = 0;
- vec_reset_length (pci_addr);
- pci_addr = format (pci_addr, "%U%c", format_vlib_pci_addr, &d->bus_address, 0);
-
- if (d->device_class != PCI_CLASS_NETWORK_ETHERNET)
- continue;
-
- if (num_whitelisted)
- {
- uword * p = hash_get (conf->device_config_index_by_pci_addr, d->bus_address.as_u32);
-
- if (!p)
- continue;
-
- devconf = pool_elt_at_index (conf->dev_confs, p[0]);
- }
-
- /* virtio */
- if (d->vendor_id == 0x1af4 && d->device_id == 0x1000)
- ;
- /* vmxnet3 */
- else if (d->vendor_id == 0x15ad && d->device_id == 0x07b0)
- ;
- /* all Intel devices */
- else if (d->vendor_id == 0x8086)
- ;
- /* Cisco VIC */
- else if (d->vendor_id == 0x1137 && d->device_id == 0x0043)
- ;
- /* Chelsio T4/T5 */
- else if (d->vendor_id == 0x1425 && (d->device_id & 0xe000) == 0x4000)
- ;
- else
- {
- clib_warning ("Unsupported Ethernet PCI device 0x%04x:0x%04x found "
- "at PCI address %s\n", (u16) d->vendor_id, (u16) d->device_id,
- pci_addr);
- continue;
- }
-
- error = vlib_pci_bind_to_uio (d, (char *) conf->uio_driver_name);
-
- if (error)
- {
- if (devconf == 0)
- {
- pool_get (conf->dev_confs, devconf);
- hash_set (conf->device_config_index_by_pci_addr, d->bus_address.as_u32,
- devconf - conf->dev_confs);
- devconf->pci_addr.as_u32 = d->bus_address.as_u32;
- }
- devconf->is_blacklisted = 1;
- clib_error_report (error);
- }
- }));
- /* *INDENT-ON* */
- vec_free (pci_addr);
-}
-
-static clib_error_t *
-dpdk_device_config (dpdk_config_main_t * conf, vlib_pci_addr_t pci_addr,
- unformat_input_t * input, u8 is_default)
-{
- clib_error_t *error = 0;
- uword *p;
- dpdk_device_config_t *devconf;
- unformat_input_t sub_input;
-
- if (is_default)
- {
- devconf = &conf->default_devconf;
- }
- else
- {
- p = hash_get (conf->device_config_index_by_pci_addr, pci_addr.as_u32);
-
- if (!p)
- {
- pool_get (conf->dev_confs, devconf);
- hash_set (conf->device_config_index_by_pci_addr, pci_addr.as_u32,
- devconf - conf->dev_confs);
- }
- else
- return clib_error_return (0,
- "duplicate configuration for PCI address %U",
- format_vlib_pci_addr, &pci_addr);
- }
-
- devconf->pci_addr.as_u32 = pci_addr.as_u32;
- devconf->hqos_enabled = 0;
- dpdk_device_config_hqos_default (&devconf->hqos);
-
- if (!input)
- return 0;
-
- unformat_skip_white_space (input);
- while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
- {
- if (unformat (input, "num-rx-queues %u", &devconf->num_rx_queues))
- ;
- else if (unformat (input, "num-tx-queues %u", &devconf->num_tx_queues))
- ;
- else if (unformat (input, "num-rx-desc %u", &devconf->num_rx_desc))
- ;
- else if (unformat (input, "num-tx-desc %u", &devconf->num_tx_desc))
- ;
- else if (unformat (input, "workers %U", unformat_bitmap_list,
- &devconf->workers))
- ;
- else
- if (unformat
- (input, "rss %U", unformat_vlib_cli_sub_input, &sub_input))
- {
- error = unformat_rss_fn (&sub_input, &devconf->rss_fn);
- if (error)
- break;
- }
- else if (unformat (input, "vlan-strip-offload off"))
- devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_OFF;
- else if (unformat (input, "vlan-strip-offload on"))
- devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_ON;
- else
- if (unformat
- (input, "hqos %U", unformat_vlib_cli_sub_input, &sub_input))
- {
- devconf->hqos_enabled = 1;
- error = unformat_hqos (&sub_input, &devconf->hqos);
- if (error)
- break;
- }
- else if (unformat (input, "hqos"))
- {
- devconf->hqos_enabled = 1;
- }
- else
- {
- error = clib_error_return (0, "unknown input `%U'",
- format_unformat_error, input);
- break;
- }
- }
-
- if (error)
- return error;
-
- if (devconf->workers && devconf->num_rx_queues == 0)
- devconf->num_rx_queues = clib_bitmap_count_set_bits (devconf->workers);
- else if (devconf->workers &&
- clib_bitmap_count_set_bits (devconf->workers) !=
- devconf->num_rx_queues)
- error =
- clib_error_return (0,
- "%U: number of worker threadds must be "
- "equal to number of rx queues", format_vlib_pci_addr,
- &pci_addr);
-
- return error;
-}
-
-static clib_error_t *
-dpdk_config (vlib_main_t * vm, unformat_input_t * input)
-{
- clib_error_t *error = 0;
- dpdk_main_t *dm = &dpdk_main;
- dpdk_config_main_t *conf = &dpdk_config_main;
- vlib_thread_main_t *tm = vlib_get_thread_main ();
- dpdk_device_config_t *devconf;
- vlib_pci_addr_t pci_addr;
- unformat_input_t sub_input;
- u8 *s, *tmp = 0;
- u8 *rte_cmd = 0, *ethname = 0;
- u32 log_level;
- int ret, i;
- int num_whitelisted = 0;
- u8 no_pci = 0;
- u8 no_huge = 0;
- u8 huge_dir = 0;
- u8 file_prefix = 0;
- u8 *socket_mem = 0;
-
- conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
-
- while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
- {
- /* Prime the pump */
- if (unformat (input, "no-hugetlb"))
- {
- vec_add1 (conf->eal_init_args, (u8 *) "no-huge");
- no_huge = 1;
- }
-
- else if (unformat (input, "enable-tcp-udp-checksum"))
- conf->enable_tcp_udp_checksum = 1;
-
- else if (unformat (input, "decimal-interface-names"))
- conf->interface_name_format_decimal = 1;
-
- else if (unformat (input, "no-multi-seg"))
- conf->no_multi_seg = 1;
-
- else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input,
- &sub_input))
- {
- error =
- dpdk_device_config (conf, (vlib_pci_addr_t) (u32) ~ 1, &sub_input,
- 1);
-
- if (error)
- return error;
- }
- else
- if (unformat
- (input, "dev %U %U", unformat_vlib_pci_addr, &pci_addr,
- unformat_vlib_cli_sub_input, &sub_input))
- {
- error = dpdk_device_config (conf, pci_addr, &sub_input, 0);
-
- if (error)
- return error;
-
- num_whitelisted++;
- }
- else if (unformat (input, "dev %U", unformat_vlib_pci_addr, &pci_addr))
- {
- error = dpdk_device_config (conf, pci_addr, 0, 0);
-
- if (error)
- return error;
-
- num_whitelisted++;
- }
- else if (unformat (input, "num-mbufs %d", &conf->num_mbufs))
- ;
- else if (unformat (input, "kni %d", &conf->num_kni))
- ;
- else if (unformat (input, "uio-driver %s", &conf->uio_driver_name))
- ;
- else if (unformat (input, "socket-mem %s", &socket_mem))
- ;
- else if (unformat (input, "no-pci"))
- {
- no_pci = 1;
- tmp = format (0, "--no-pci%c", 0);
- vec_add1 (conf->eal_init_args, tmp);
- }
- else if (unformat (input, "poll-sleep %d", &dm->poll_sleep))
- ;
-
-#define _(a) \
- else if (unformat(input, #a)) \
- { \
- tmp = format (0, "--%s%c", #a, 0); \
- vec_add1 (conf->eal_init_args, tmp); \
- }
- foreach_eal_double_hyphen_predicate_arg
-#undef _
-#define _(a) \
- else if (unformat(input, #a " %s", &s)) \
- { \
- if (!strncmp(#a, "huge-dir", 8)) \
- huge_dir = 1; \
- else if (!strncmp(#a, "file-prefix", 11)) \
- file_prefix = 1; \
- tmp = format (0, "--%s%c", #a, 0); \
- vec_add1 (conf->eal_init_args, tmp); \
- vec_add1 (s, 0); \
- vec_add1 (conf->eal_init_args, s); \
- }
- foreach_eal_double_hyphen_arg
-#undef _
-#define _(a,b) \
- else if (unformat(input, #a " %s", &s)) \
- { \
- tmp = format (0, "-%s%c", #b, 0); \
- vec_add1 (conf->eal_init_args, tmp); \
- vec_add1 (s, 0); \
- vec_add1 (conf->eal_init_args, s); \
- }
- foreach_eal_single_hyphen_arg
-#undef _
-#define _(a,b) \
- else if (unformat(input, #a " %s", &s)) \
- { \
- tmp = format (0, "-%s%c", #b, 0); \
- vec_add1 (conf->eal_init_args, tmp); \
- vec_add1 (s, 0); \
- vec_add1 (conf->eal_init_args, s); \
- conf->a##_set_manually = 1; \
- }
- foreach_eal_single_hyphen_mandatory_arg
-#undef _
- else if (unformat (input, "default"))
- ;
-
- else if (unformat_skip_white_space (input))
- ;
- else
- {
- error = clib_error_return (0, "unknown input `%U'",
- format_unformat_error, input);
- goto done;
- }
- }
-
- if (!conf->uio_driver_name)
- conf->uio_driver_name = format (0, "igb_uio%c", 0);
-
- /*
- * Use 1G huge pages if available.
- */
- if (!no_huge && !huge_dir)
- {
- u32 x, *mem_by_socket = 0;
- uword c = 0;
- u8 use_1g = 1;
- u8 use_2m = 1;
- u8 less_than_1g = 1;
- int rv;
-
- umount (DEFAULT_HUGE_DIR);
-
- /* Process "socket-mem" parameter value */
- if (vec_len (socket_mem))
- {
- unformat_input_t in;
- unformat_init_vector (&in, socket_mem);
- while (unformat_check_input (&in) != UNFORMAT_END_OF_INPUT)
- {
- if (unformat (&in, "%u,", &x))
- ;
- else if (unformat (&in, "%u", &x))
- ;
- else if (unformat (&in, ","))
- x = 0;
- else
- break;
-
- vec_add1 (mem_by_socket, x);
-
- if (x > 1023)
- less_than_1g = 0;
- }
- /* Note: unformat_free vec_frees(in.buffer), aka socket_mem... */
- unformat_free (&in);
- socket_mem = 0;
- }
- else
- {
- /* *INDENT-OFF* */
- clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
- {
- vec_validate(mem_by_socket, c);
- mem_by_socket[c] = 256; /* default per-socket mem */
- }
- ));
- /* *INDENT-ON* */
- }
-
- /* check if available enough 1GB pages for each socket */
- /* *INDENT-OFF* */
- clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
- {
- int pages_avail, page_size, mem;
-
- vec_validate(mem_by_socket, c);
- mem = mem_by_socket[c];
-
- page_size = 1024;
- pages_avail = vlib_sysfs_get_free_hugepages(c, page_size * 1024);
-
- if (pages_avail < 0 || page_size * pages_avail < mem)
- use_1g = 0;
-
- page_size = 2;
- pages_avail = vlib_sysfs_get_free_hugepages(c, page_size * 1024);
-
- if (pages_avail < 0 || page_size * pages_avail < mem)
- use_2m = 0;
- }));
- /* *INDENT-ON* */
-
- if (mem_by_socket == 0)
- {
- error = clib_error_return (0, "mem_by_socket NULL");
- goto done;
- }
- _vec_len (mem_by_socket) = c + 1;
-
- /* regenerate socket_mem string */
- vec_foreach_index (x, mem_by_socket)
- socket_mem = format (socket_mem, "%s%u",
- socket_mem ? "," : "", mem_by_socket[x]);
- socket_mem = format (socket_mem, "%c", 0);
-
- vec_free (mem_by_socket);
-
- rv = mkdir (VPP_RUN_DIR, 0755);
- if (rv && errno != EEXIST)
- {
- error = clib_error_return (0, "mkdir '%s' failed errno %d",
- VPP_RUN_DIR, errno);
- goto done;
- }
-
- rv = mkdir (DEFAULT_HUGE_DIR, 0755);
- if (rv && errno != EEXIST)
- {
- error = clib_error_return (0, "mkdir '%s' failed errno %d",
- DEFAULT_HUGE_DIR, errno);
- goto done;
- }
-
- if (use_1g && !(less_than_1g && use_2m))
- {
- rv =
- mount ("none", DEFAULT_HUGE_DIR, "hugetlbfs", 0, "pagesize=1G");
- }
- else if (use_2m)
- {
- rv = mount ("none", DEFAULT_HUGE_DIR, "hugetlbfs", 0, NULL);
- }
- else
- {
- return clib_error_return (0, "not enough free huge pages");
- }
-
- if (rv)
- {
- error = clib_error_return (0, "mount failed %d", errno);
- goto done;
- }
-
- tmp = format (0, "--huge-dir%c", 0);
- vec_add1 (conf->eal_init_args, tmp);
- tmp = format (0, "%s%c", DEFAULT_HUGE_DIR, 0);
- vec_add1 (conf->eal_init_args, tmp);
- if (!file_prefix)
- {
- tmp = format (0, "--file-prefix%c", 0);
- vec_add1 (conf->eal_init_args, tmp);
- tmp = format (0, "vpp%c", 0);
- vec_add1 (conf->eal_init_args, tmp);
- }
- }
-
- vec_free (rte_cmd);
- vec_free (ethname);
-
- if (error)
- return error;
-
- /* I'll bet that -c and -n must be the first and second args... */
- if (!conf->coremask_set_manually)
- {
- vlib_thread_registration_t *tr;
- uword *coremask = 0;
- int i;
-
- /* main thread core */
- coremask = clib_bitmap_set (coremask, tm->main_lcore, 1);
-
- for (i = 0; i < vec_len (tm->registrations); i++)
- {
- tr = tm->registrations[i];
- coremask = clib_bitmap_or (coremask, tr->coremask);
- }
-
- vec_insert (conf->eal_init_args, 2, 1);
- conf->eal_init_args[1] = (u8 *) "-c";
- tmp = format (0, "%U%c", format_bitmap_hex, coremask, 0);
- conf->eal_init_args[2] = tmp;
- clib_bitmap_free (coremask);
- }
-
- if (!conf->nchannels_set_manually)
- {
- vec_insert (conf->eal_init_args, 2, 3);
- conf->eal_init_args[3] = (u8 *) "-n";
- tmp = format (0, "%d", conf->nchannels);
- conf->eal_init_args[4] = tmp;
- }
-
- if (no_pci == 0 && geteuid () == 0)
- dpdk_bind_devices_to_uio (conf);
-
-#define _(x) \
- if (devconf->x == 0 && conf->default_devconf.x > 0) \
- devconf->x = conf->default_devconf.x ;
-
- /* *INDENT-OFF* */
- pool_foreach (devconf, conf->dev_confs, ({
-
- /* default per-device config items */
- foreach_dpdk_device_config_item
-
- /* add DPDK EAL whitelist/blacklist entry */
- if (num_whitelisted > 0 && devconf->is_blacklisted == 0)
- {
- tmp = format (0, "-w%c", 0);
- vec_add1 (conf->eal_init_args, tmp);
- tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
- vec_add1 (conf->eal_init_args, tmp);
- }
- else if (num_whitelisted == 0 && devconf->is_blacklisted != 0)
- {
- tmp = format (0, "-b%c", 0);
- vec_add1 (conf->eal_init_args, tmp);
- tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
- vec_add1 (conf->eal_init_args, tmp);
- }
- }));
- /* *INDENT-ON* */
-
-#undef _
-
- /* set master-lcore */
- tmp = format (0, "--master-lcore%c", 0);
- vec_add1 (conf->eal_init_args, tmp);
- tmp = format (0, "%u%c", tm->main_lcore, 0);
- vec_add1 (conf->eal_init_args, tmp);
-
- /* set socket-mem */
- tmp = format (0, "--socket-mem%c", 0);
- vec_add1 (conf->eal_init_args, tmp);
- tmp = format (0, "%s%c", socket_mem, 0);
- vec_add1 (conf->eal_init_args, tmp);
-
- /* NULL terminate the "argv" vector, in case of stupidity */
- vec_add1 (conf->eal_init_args, 0);
- _vec_len (conf->eal_init_args) -= 1;
-
- /* Set up DPDK eal and packet mbuf pool early. */
-
- log_level = (CLIB_DEBUG > 0) ? RTE_LOG_DEBUG : RTE_LOG_NOTICE;
-
- rte_set_log_level (log_level);
-
- vm = vlib_get_main ();
-
- /* make copy of args as rte_eal_init tends to mess up with arg array */
- for (i = 1; i < vec_len (conf->eal_init_args); i++)
- conf->eal_init_args_str = format (conf->eal_init_args_str, "%s ",
- conf->eal_init_args[i]);
-
- ret =
- rte_eal_init (vec_len (conf->eal_init_args),
- (char **) conf->eal_init_args);
-
- /* lazy umount hugepages */
- umount2 (DEFAULT_HUGE_DIR, MNT_DETACH);
-
- if (ret < 0)
- return clib_error_return (0, "rte_eal_init returned %d", ret);
-
- /* Dump the physical memory layout prior to creating the mbuf_pool */
- fprintf (stdout, "DPDK physical memory layout:\n");
- rte_dump_physmem_layout (stdout);
-
- /* main thread 1st */
- error = vlib_buffer_pool_create (vm, conf->num_mbufs, rte_socket_id ());
- if (error)
- return error;
-
- for (i = 0; i < RTE_MAX_LCORE; i++)
- {
- error = vlib_buffer_pool_create (vm, conf->num_mbufs,
- rte_lcore_to_socket_id (i));
- if (error)
- return error;
- }
-
-done:
- return error;
-}
-
-VLIB_CONFIG_FUNCTION (dpdk_config, "dpdk");
-
-void
-dpdk_update_link_state (dpdk_device_t * xd, f64 now)
-{
- vnet_main_t *vnm = vnet_get_main ();
- struct rte_eth_link prev_link = xd->link;
- u32 hw_flags = 0;
- u8 hw_flags_chg = 0;
-
- /* only update link state for PMD interfaces */
- if ((xd->flags & DPDK_DEVICE_FLAG_PMD) == 0)
- return;
-
- xd->time_last_link_update = now ? now : xd->time_last_link_update;
- memset (&xd->link, 0, sizeof (xd->link));
- rte_eth_link_get_nowait (xd->device_index, &xd->link);
-
- if (LINK_STATE_ELOGS)
- {
- vlib_main_t *vm = vlib_get_main ();
- ELOG_TYPE_DECLARE (e) =
- {
- .format =
- "update-link-state: sw_if_index %d, admin_up %d,"
- "old link_state %d new link_state %d",.format_args = "i4i1i1i1",};
-
- struct
- {
- u32 sw_if_index;
- u8 admin_up;
- u8 old_link_state;
- u8 new_link_state;
- } *ed;
- ed = ELOG_DATA (&vm->elog_main, e);
- ed->sw_if_index = xd->vlib_sw_if_index;
- ed->admin_up = (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) != 0;
- ed->old_link_state = (u8)
- vnet_hw_interface_is_link_up (vnm, xd->vlib_hw_if_index);
- ed->new_link_state = (u8) xd->link.link_status;
- }
-
- if ((xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) &&
- ((xd->link.link_status != 0) ^
- vnet_hw_interface_is_link_up (vnm, xd->vlib_hw_if_index)))
- {
- hw_flags_chg = 1;
- hw_flags |= (xd->link.link_status ? VNET_HW_INTERFACE_FLAG_LINK_UP : 0);
- }
-
- if (hw_flags_chg || (xd->link.link_duplex != prev_link.link_duplex))
- {
- hw_flags_chg = 1;
- switch (xd->link.link_duplex)
- {
- case ETH_LINK_HALF_DUPLEX:
- hw_flags |= VNET_HW_INTERFACE_FLAG_HALF_DUPLEX;
- break;
- case ETH_LINK_FULL_DUPLEX:
- hw_flags |= VNET_HW_INTERFACE_FLAG_FULL_DUPLEX;
- break;
- default:
- break;
- }
- }
- if (hw_flags_chg || (xd->link.link_speed != prev_link.link_speed))
- {
- hw_flags_chg = 1;
- switch (xd->link.link_speed)
- {
- case ETH_SPEED_NUM_10M:
- hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10M;
- break;
- case ETH_SPEED_NUM_100M:
- hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_100M;
- break;
- case ETH_SPEED_NUM_1G:
- hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_1G;
- break;
- case ETH_SPEED_NUM_10G:
- hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10G;
- break;
- case ETH_SPEED_NUM_40G:
- hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_40G;
- break;
- case 0:
- break;
- default:
- clib_warning ("unknown link speed %d", xd->link.link_speed);
- break;
- }
- }
- if (hw_flags_chg)
- {
- if (LINK_STATE_ELOGS)
- {
- vlib_main_t *vm = vlib_get_main ();
-
- ELOG_TYPE_DECLARE (e) =
- {
- .format =
- "update-link-state: sw_if_index %d, new flags %d",.format_args
- = "i4i4",};
-
- struct
- {
- u32 sw_if_index;
- u32 flags;
- } *ed;
- ed = ELOG_DATA (&vm->elog_main, e);
- ed->sw_if_index = xd->vlib_sw_if_index;
- ed->flags = hw_flags;
- }
- vnet_hw_interface_set_flags (vnm, xd->vlib_hw_if_index, hw_flags);
- }
-}
-
-static uword
-dpdk_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
-{
- clib_error_t *error;
- vnet_main_t *vnm = vnet_get_main ();
- dpdk_main_t *dm = &dpdk_main;
- ethernet_main_t *em = ðernet_main;
- dpdk_device_t *xd;
- vlib_thread_main_t *tm = vlib_get_thread_main ();
- int i;
-
- error = dpdk_lib_init (dm);
-
- /*
- * Turn on the input node if we found some devices to drive
- * and we're not running worker threads or i/o threads
- */
-
- if (error == 0 && vec_len (dm->devices) > 0)
- {
- if (tm->n_vlib_mains == 1)
- vlib_node_set_state (vm, dpdk_input_node.index,
- VLIB_NODE_STATE_POLLING);
- else
- for (i = 0; i < tm->n_vlib_mains; i++)
- if (vec_len (dm->devices_by_cpu[i]) > 0)
- vlib_node_set_state (vlib_mains[i], dpdk_input_node.index,
- VLIB_NODE_STATE_POLLING);
- }
-
- if (error)
- clib_error_report (error);
-
- tm->worker_thread_release = 1;
-
- f64 now = vlib_time_now (vm);
- vec_foreach (xd, dm->devices)
- {
- dpdk_update_link_state (xd, now);
- }
-
- {
- /*
- * Extra set up for bond interfaces:
- * 1. Setup MACs for bond interfaces and their slave links which was set
- * in dpdk_port_setup() but needs to be done again here to take effect.
- * 2. Set up info for bond interface related CLI support.
- */
- int nports = rte_eth_dev_count ();
- if (nports > 0)
- {
- for (i = 0; i < nports; i++)
- {
- struct rte_eth_dev_info dev_info;
- rte_eth_dev_info_get (i, &dev_info);
- if (!dev_info.driver_name)
-#if RTE_VERSION < RTE_VERSION_NUM(16, 11, 0, 0)
- dev_info.driver_name = dev_info.pci_dev->driver->name;
-#else
- dev_info.driver_name = dev_info.pci_dev->driver->driver.name;
-#endif
- ASSERT (dev_info.driver_name);
- if (strncmp (dev_info.driver_name, "rte_bond_pmd", 12) == 0)
- {
- u8 addr[6];
- u8 slink[16];
- int nlink = rte_eth_bond_slaves_get (i, slink, 16);
- if (nlink > 0)
- {
- vnet_hw_interface_t *bhi;
- ethernet_interface_t *bei;
- int rv;
-
- /* Get MAC of 1st slave link */
- rte_eth_macaddr_get (slink[0],
- (struct ether_addr *) addr);
- /* Set MAC of bounded interface to that of 1st slave link */
- rv =
- rte_eth_bond_mac_address_set (i,
- (struct ether_addr *)
- addr);
- if (rv < 0)
- clib_warning ("Failed to set MAC address");
-
- /* Populate MAC of bonded interface in VPP hw tables */
- bhi =
- vnet_get_hw_interface (vnm,
- dm->devices[i].vlib_hw_if_index);
- bei =
- pool_elt_at_index (em->interfaces, bhi->hw_instance);
- clib_memcpy (bhi->hw_address, addr, 6);
- clib_memcpy (bei->address, addr, 6);
- /* Init l3 packet size allowed on bonded interface */
- bhi->max_packet_bytes = ETHERNET_MAX_PACKET_BYTES;
- bhi->max_l3_packet_bytes[VLIB_RX] =
- bhi->max_l3_packet_bytes[VLIB_TX] =
- ETHERNET_MAX_PACKET_BYTES - sizeof (ethernet_header_t);
- while (nlink >= 1)
- { /* for all slave links */
- int slave = slink[--nlink];
- dpdk_device_t *sdev = &dm->devices[slave];
- vnet_hw_interface_t *shi;
- vnet_sw_interface_t *ssi;
- /* Add MAC to all slave links except the first one */
- if (nlink)
- rte_eth_dev_mac_addr_add (slave,
- (struct ether_addr *)
- addr, 0);
- /* Set slaves bitmap for bonded interface */
- bhi->bond_info =
- clib_bitmap_set (bhi->bond_info,
- sdev->vlib_hw_if_index, 1);
- /* Set slave link flags on slave interface */
- shi =
- vnet_get_hw_interface (vnm, sdev->vlib_hw_if_index);
- ssi =
- vnet_get_sw_interface (vnm, sdev->vlib_sw_if_index);
- shi->bond_info = VNET_HW_INTERFACE_BOND_INFO_SLAVE;
- ssi->flags |= VNET_SW_INTERFACE_FLAG_BOND_SLAVE;
-
- /* Set l3 packet size allowed as the lowest of slave */
- if (bhi->max_l3_packet_bytes[VLIB_RX] >
- shi->max_l3_packet_bytes[VLIB_RX])
- bhi->max_l3_packet_bytes[VLIB_RX] =
- bhi->max_l3_packet_bytes[VLIB_TX] =
- shi->max_l3_packet_bytes[VLIB_RX];
-
- /* Set max packet size allowed as the lowest of slave */
- if (bhi->max_packet_bytes > shi->max_packet_bytes)
- bhi->max_packet_bytes = shi->max_packet_bytes;
- }
- }
- }
- }
- }
- }
-
- while (1)
- {
- /*
- * check each time through the loop in case intervals are changed
- */
- f64 min_wait = dm->link_state_poll_interval < dm->stat_poll_interval ?
- dm->link_state_poll_interval : dm->stat_poll_interval;
-
- vlib_process_wait_for_event_or_clock (vm, min_wait);
-
- if (dm->admin_up_down_in_progress)
- /* skip the poll if an admin up down is in progress (on any interface) */
- continue;
-
- vec_foreach (xd, dm->devices)
- {
- f64 now = vlib_time_now (vm);
- if ((now - xd->time_last_stats_update) >= dm->stat_poll_interval)
- dpdk_update_counters (xd, now);
- if ((now - xd->time_last_link_update) >= dm->link_state_poll_interval)
- dpdk_update_link_state (xd, now);
-
- }
- }
-
- return 0;
-}
-
-/* *INDENT-OFF* */
-VLIB_REGISTER_NODE (dpdk_process_node,static) = {
- .function = dpdk_process,
- .type = VLIB_NODE_TYPE_PROCESS,
- .name = "dpdk-process",
- .process_log2_n_stack_bytes = 17,
-};
-/* *INDENT-ON* */
-
-int
-dpdk_set_stat_poll_interval (f64 interval)
-{
- if (interval < DPDK_MIN_STATS_POLL_INTERVAL)
- return (VNET_API_ERROR_INVALID_VALUE);
-
- dpdk_main.stat_poll_interval = interval;
-
- return 0;
-}
-
-int
-dpdk_set_link_state_poll_interval (f64 interval)
-{
- if (interval < DPDK_MIN_LINK_POLL_INTERVAL)
- return (VNET_API_ERROR_INVALID_VALUE);
-
- dpdk_main.link_state_poll_interval = interval;
-
- return 0;
-}
-
-clib_error_t *
-dpdk_init (vlib_main_t * vm)
-{
- dpdk_main_t *dm = &dpdk_main;
- vlib_node_t *ei;
- clib_error_t *error = 0;
- vlib_thread_main_t *tm = vlib_get_thread_main ();
-
- /* verify that structs are cacheline aligned */
- STATIC_ASSERT (offsetof (dpdk_device_t, cacheline0) == 0,
- "Cache line marker must be 1st element in dpdk_device_t");
- STATIC_ASSERT (offsetof (dpdk_device_t, cacheline1) ==
- CLIB_CACHE_LINE_BYTES,
- "Data in cache line 0 is bigger than cache line size");
- STATIC_ASSERT (offsetof (dpdk_worker_t, cacheline0) == 0,
- "Cache line marker must be 1st element in dpdk_worker_t");
- STATIC_ASSERT (offsetof (frame_queue_trace_t, cacheline0) == 0,
- "Cache line marker must be 1st element in frame_queue_trace_t");
-
- dm->vlib_main = vm;
- dm->vnet_main = vnet_get_main ();
- dm->conf = &dpdk_config_main;
-
- ei = vlib_get_node_by_name (vm, (u8 *) "ethernet-input");
- if (ei == 0)
- return clib_error_return (0, "ethernet-input node AWOL");
-
- dm->ethernet_input_node_index = ei->index;
-
- dm->conf->nchannels = 4;
- dm->conf->num_mbufs = dm->conf->num_mbufs ? dm->conf->num_mbufs : NB_MBUF;
- vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet");
-
- dm->dpdk_device_by_kni_port_id = hash_create (0, sizeof (uword));
- dm->vu_sw_if_index_by_listener_fd = hash_create (0, sizeof (uword));
- dm->vu_sw_if_index_by_sock_fd = hash_create (0, sizeof (uword));
-
- /* $$$ use n_thread_stacks since it's known-good at this point */
- vec_validate (dm->recycle, tm->n_thread_stacks - 1);
-
- /* Default vlib_buffer_t flags, DISABLES tcp/udp checksumming... */
- dm->buffer_flags_template =
- (VLIB_BUFFER_TOTAL_LENGTH_VALID | VNET_BUFFER_RTE_MBUF_VALID
- | IP_BUFFER_L4_CHECKSUM_COMPUTED | IP_BUFFER_L4_CHECKSUM_CORRECT);
-
- dm->stat_poll_interval = DPDK_STATS_POLL_INTERVAL;
- dm->link_state_poll_interval = DPDK_LINK_POLL_INTERVAL;
-
- /* init CLI */
- if ((error = vlib_call_init_function (vm, dpdk_cli_init)))
- return error;
-
- return error;
-}
-
-VLIB_INIT_FUNCTION (dpdk_init);
-
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
Code Review / vpp.git / blobdiff