diff options
Diffstat (limited to 'src/vnet/devices/dpdk/init.c')
| -rwxr-xr-x | src/vnet/devices/dpdk/init.c | 1801 |
1 files changed, 0 insertions, 1801 deletions
diff --git a/src/vnet/devices/dpdk/init.c b/src/vnet/devices/dpdk/init.c deleted file mode 100755 index 29423e152c4..00000000000 --- a/src/vnet/devices/dpdk/init.c +++ /dev/null @@ -1,1801 +0,0 @@ -/* - * 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) -{ - 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, - dm-> - 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, - dm-> - 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 && xd->default_mac_address) - rv = rte_eth_dev_default_mac_addr_set (xd->device_index, - (struct ether_addr *) - xd->default_mac_address); - 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 && xd->default_mac_address) - rv = rte_eth_dev_default_mac_addr_set (xd->device_index, - (struct ether_addr *) - xd->default_mac_address); - 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); - - 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); - - 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)) - dev_info.driver_name = dev_info.pci_dev->driver->driver.name; - - 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 && d->device_class != PCI_CLASS_PROCESSOR_CO) - 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, "enable-cryptodev")) - conf->cryptodev = 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); \ - if (!strncmp(#a, "vdev", 4)) \ - if (strstr((char*)s, "af_packet")) \ - clib_warning ("af_packet obsoleted. Use CLI 'create host-interface'."); \ - 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, "uio_pci_generic%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) - dev_info.driver_name = dev_info.pci_dev->driver->driver.name; - - 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 (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 | VLIB_BUFFER_EXT_HDR_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: - */ |