X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fplugins%2Fdpdk%2Fdevice%2Finit.c;h=df1a823f6da0c84792a23a8d5932e61c6daba239;hb=16d227aa148497e52023c1867614b06060bd04fd;hp=dd2b405d7dbb8c827836477da0fe11256c2be720;hpb=a9ded38b1f2d852ff231a305805e5f5c801b9c76;p=vpp.git diff --git a/src/plugins/dpdk/device/init.c b/src/plugins/dpdk/device/init.c index dd2b405d7db..df1a823f6da 100644 --- a/src/plugins/dpdk/device/init.c +++ b/src/plugins/dpdk/device/init.c @@ -24,6 +24,7 @@ #include #include #include +#include #include @@ -145,7 +146,7 @@ dpdk_device_lock_init (dpdk_device_t * xd) { 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); + clib_memset ((void *) xd->lockp[q], 0, CLIB_CACHE_LINE_BYTES); } } @@ -206,13 +207,11 @@ dpdk_ring_alloc (struct rte_mempool *mp) static int dpdk_port_crc_strip_enabled (dpdk_device_t * xd) { -#if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0) - if (xd->port_conf.rxmode.hw_strip_crc) +#if RTE_VERSION < RTE_VERSION_NUM(18, 11, 0, 0) + return ! !(xd->port_conf.rxmode.offloads & DEV_RX_OFFLOAD_CRC_STRIP); #else - if (xd->port_conf.rxmode.offloads & DEV_RX_OFFLOAD_CRC_STRIP) + return !(xd->port_conf.rxmode.offloads & DEV_RX_OFFLOAD_KEEP_CRC); #endif - return 1; - return 0; } static clib_error_t * @@ -320,10 +319,6 @@ dpdk_lib_init (dpdk_main_t * dm) 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); @@ -331,6 +326,14 @@ dpdk_lib_init (dpdk_main_t * dm) xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT; xd->cpu_socket = (i8) rte_eth_dev_socket_id (i); + if (p) + { + devconf = pool_elt_at_index (dm->conf->dev_confs, p[0]); + xd->name = devconf->name; + } + else + devconf = &dm->conf->default_devconf; + /* Handle interface naming for devices with multiple ports sharing same PCI ID */ if (pci_dev) { @@ -363,29 +366,23 @@ dpdk_lib_init (dpdk_main_t * dm) clib_memcpy (&xd->tx_conf, &dev_info.default_txconf, sizeof (struct rte_eth_txconf)); + if (dev_info.rx_offload_capa & DEV_RX_OFFLOAD_IPV4_CKSUM) + { + xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_IPV4_CKSUM; + xd->flags |= DPDK_DEVICE_FLAG_RX_IP4_CKSUM; + } + if (dm->conf->no_multi_seg) { -#if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0) - xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS; - xd->port_conf.rxmode.jumbo_frame = 0; - xd->port_conf.rxmode.enable_scatter = 0; -#else xd->port_conf.txmode.offloads &= ~DEV_TX_OFFLOAD_MULTI_SEGS; xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_JUMBO_FRAME; xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_SCATTER; -#endif } else { -#if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0) - xd->tx_conf.txq_flags &= ~ETH_TXQ_FLAGS_NOMULTSEGS; - xd->port_conf.rxmode.jumbo_frame = 1; - xd->port_conf.rxmode.enable_scatter = 1; -#else xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS; xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME; xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_SCATTER; -#endif xd->flags |= DPDK_DEVICE_FLAG_MAYBE_MULTISEG; } @@ -460,13 +457,8 @@ dpdk_lib_init (dpdk_main_t * dm) if (dm->conf->no_tx_checksum_offload == 0) { -#if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0) - xd->tx_conf.txq_flags &= ~(ETH_TXQ_FLAGS_NOXSUMUDP | - ETH_TXQ_FLAGS_NOXSUMTCP); -#else xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM; xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM; -#endif xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD | DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM; @@ -486,29 +478,28 @@ dpdk_lib_init (dpdk_main_t * dm) case VNET_DPDK_PMD_IXGBEVF: case VNET_DPDK_PMD_I40EVF: xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF; -#if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0) - xd->port_conf.rxmode.hw_strip_crc = 1; -#else +#if RTE_VERSION < RTE_VERSION_NUM(18, 11, 0, 0) xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_CRC_STRIP; #endif break; case VNET_DPDK_PMD_THUNDERX: xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF; -#if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0) - xd->port_conf.rxmode.hw_strip_crc = 1; -#else +#if RTE_VERSION < RTE_VERSION_NUM(18, 11, 0, 0) xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_CRC_STRIP; #endif + + if (dm->conf->no_tx_checksum_offload == 0) + { + xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM; + xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM; + xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD; + } break; case VNET_DPDK_PMD_ENA: xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF; -#if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0) - xd->port_conf.rxmode.enable_scatter = 0; -#else xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_SCATTER; -#endif break; case VNET_DPDK_PMD_DPAA2: @@ -526,9 +517,7 @@ dpdk_lib_init (dpdk_main_t * dm) /* Intel Red Rock Canyon */ case VNET_DPDK_PMD_FM10K: xd->port_type = VNET_DPDK_PORT_TYPE_ETH_SWITCH; -#if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0) - xd->port_conf.rxmode.hw_strip_crc = 1; -#else +#if RTE_VERSION < RTE_VERSION_NUM(18, 11, 0, 0) xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_CRC_STRIP; #endif break; @@ -543,11 +532,7 @@ dpdk_lib_init (dpdk_main_t * dm) /* vmxnet3 */ case VNET_DPDK_PMD_VMXNET3: xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G; -#if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0) - xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS; -#else xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS; -#endif break; case VNET_DPDK_PMD_AF_PACKET: @@ -805,14 +790,10 @@ dpdk_lib_init (dpdk_main_t * dm) int vlan_off; vlan_off = rte_eth_dev_get_vlan_offload (xd->port_id); vlan_off |= ETH_VLAN_STRIP_OFFLOAD; -#if RTE_VERSION < RTE_VERSION_NUM(18, 8, 0, 0) - xd->port_conf.rxmode.hw_vlan_strip = vlan_off; -#else if (vlan_off) xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_VLAN_STRIP; else xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_VLAN_STRIP; -#endif if (rte_eth_dev_set_vlan_offload (xd->port_id, vlan_off) == 0) dpdk_log_info ("VLAN strip enabled for interface\n"); else @@ -842,11 +823,13 @@ dpdk_lib_init (dpdk_main_t * dm) static void dpdk_bind_devices_to_uio (dpdk_config_main_t * conf) { + vlib_main_t *vm = vlib_get_main (); clib_error_t *error; u8 *pci_addr = 0; int num_whitelisted = vec_len (conf->dev_confs); vlib_pci_device_info_t *d = 0; vlib_pci_addr_t *addr = 0, *addrs; + int i; addrs = vlib_pci_get_all_dev_addrs (); /* *INDENT-OFF* */ @@ -860,7 +843,7 @@ dpdk_bind_devices_to_uio (dpdk_config_main_t * conf) vlib_pci_free_device_info (d); d = 0; } - d = vlib_pci_get_device_info (addr, &error); + d = vlib_pci_get_device_info (vm, addr, &error); if (error) { clib_error_report (error); @@ -875,11 +858,41 @@ dpdk_bind_devices_to_uio (dpdk_config_main_t * conf) uword * p = hash_get (conf->device_config_index_by_pci_addr, addr->as_u32); if (!p) - continue; + { + skipped: + continue; + } devconf = pool_elt_at_index (conf->dev_confs, p[0]); } + /* Enforce Device blacklist by vendor and device */ + for (i = 0; i < vec_len (conf->blacklist_by_pci_vendor_and_device); i++) + { + u16 vendor, device; + vendor = (u16)(conf->blacklist_by_pci_vendor_and_device[i] >> 16); + device = (u16)(conf->blacklist_by_pci_vendor_and_device[i] & 0xFFFF); + if (d->vendor_id == vendor && d->device_id == device) + { + /* + * Expected case: device isn't whitelisted, + * so blacklist it... + */ + if (devconf == 0) + { + /* Device is blacklisted */ + pool_get (conf->dev_confs, devconf); + hash_set (conf->device_config_index_by_pci_addr, addr->as_u32, + devconf - conf->dev_confs); + devconf->pci_addr.as_u32 = addr->as_u32; + devconf->is_blacklisted = 1; + goto skipped; + } + else /* explicitly whitelisted, ignore the device blacklist */ + break; + } + } + /* virtio */ if (d->vendor_id == 0x1af4 && (d->device_id == VIRTIO_PCI_LEGACY_DEVICEID_NET || @@ -887,7 +900,20 @@ dpdk_bind_devices_to_uio (dpdk_config_main_t * conf) ; /* vmxnet3 */ else if (d->vendor_id == 0x15ad && d->device_id == 0x07b0) - ; + { + /* + * For vmxnet3 PCI, unless it is explicitly specified in the whitelist, + * the default is to put it in the blacklist. + */ + if (devconf == 0) + { + pool_get (conf->dev_confs, devconf); + hash_set (conf->device_config_index_by_pci_addr, addr->as_u32, + devconf - conf->dev_confs); + devconf->pci_addr.as_u32 = addr->as_u32; + devconf->is_blacklisted = 1; + } + } /* all Intel network devices */ else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_NETWORK_ETHERNET) ; @@ -928,7 +954,7 @@ dpdk_bind_devices_to_uio (dpdk_config_main_t * conf) continue; } - error = vlib_pci_bind_to_uio (addr, (char *) conf->uio_driver_name); + error = vlib_pci_bind_to_uio (vm, addr, (char *) conf->uio_driver_name); if (error) { @@ -948,6 +974,27 @@ dpdk_bind_devices_to_uio (dpdk_config_main_t * conf) vlib_pci_free_device_info (d); } +static void +dpdk_bind_vmbus_devices_to_uio (dpdk_config_main_t * conf) +{ + clib_error_t *error; + vlib_vmbus_addr_t *addrs, *addr = 0; + + addrs = vlib_vmbus_get_all_dev_addrs (); + + /* *INDENT-OFF* */ + vec_foreach (addr, addrs) + { + error = vlib_vmbus_bind_to_uio (addr); + + if (error) + { + clib_error_report (error); + } + } + /* *INDENT-ON* */ +} + 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) @@ -995,6 +1042,8 @@ dpdk_device_config (dpdk_config_main_t * conf, vlib_pci_addr_t pci_addr, ; else if (unformat (input, "num-tx-desc %u", &devconf->num_tx_desc)) ; + else if (unformat (input, "name %s", &devconf->name)) + ; else if (unformat (input, "workers %U", unformat_bitmap_list, &devconf->workers)) ; @@ -1088,17 +1137,17 @@ dpdk_config (vlib_main_t * vm, unformat_input_t * input) dpdk_device_config_t *devconf; vlib_pci_addr_t pci_addr; unformat_input_t sub_input; - uword x; + uword default_hugepage_sz, x; u8 *s, *tmp = 0; u32 log_level; int ret, i; int num_whitelisted = 0; u8 no_pci = 0; - u8 no_huge = 0; - u8 huge_dir = 0; + u8 no_vmbus = 0; u8 file_prefix = 0; u8 *socket_mem = 0; u8 *huge_dir_path = 0; + u32 vendor, device; huge_dir_path = format (0, "%s/hugepages%c", vlib_unix_get_runtime_dir (), 0); @@ -1112,7 +1161,6 @@ dpdk_config (vlib_main_t * vm, unformat_input_t * input) 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")) @@ -1175,6 +1223,23 @@ dpdk_config (vlib_main_t * vm, unformat_input_t * input) tmp = format (0, "--no-pci%c", 0); vec_add1 (conf->eal_init_args, tmp); } + else if (unformat (input, "blacklist %x:%x", &vendor, &device)) + { + u32 blacklist_entry; + if (vendor > 0xFFFF) + return clib_error_return (0, "blacklist PCI vendor out of range"); + if (device > 0xFFFF) + return clib_error_return (0, "blacklist PCI device out of range"); + blacklist_entry = (vendor << 16) | (device & 0xffff); + vec_add1 (conf->blacklist_by_pci_vendor_and_device, + blacklist_entry); + } + else if (unformat (input, "no-vmbus")) + { + no_vmbus = 1; + tmp = format (0, "--no-vmbus%c", 0); + vec_add1 (conf->eal_init_args, tmp); + } #define _(a) \ else if (unformat(input, #a)) \ @@ -1187,9 +1252,7 @@ dpdk_config (vlib_main_t * vm, unformat_input_t * input) #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)) \ + if (!strncmp(#a, "file-prefix", 11)) \ file_prefix = 1; \ tmp = format (0, "--%s%c", #a, 0); \ vec_add1 (conf->eal_init_args, tmp); \ @@ -1238,104 +1301,29 @@ dpdk_config (vlib_main_t * vm, unformat_input_t * input) if (!conf->uio_driver_name) conf->uio_driver_name = format (0, "auto%c", 0); - /* - * Use 1G huge pages if available. - */ - if (!no_huge && !huge_dir) - { - u32 x, *mem_by_socket = 0; - uword c = 0; - int rv; - - umount ((char *) huge_dir_path); - - /* 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); - } - /* 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] = 64; /* default per-socket mem */ - } - )); - /* *INDENT-ON* */ - } - - /* *INDENT-OFF* */ - clib_bitmap_foreach (c, tm->cpu_socket_bitmap, ( - { - clib_error_t *e; + default_hugepage_sz = clib_mem_get_default_hugepage_size (); - vec_validate(mem_by_socket, c); - - e = clib_sysfs_prealloc_hugepages(c, 2 << 10, mem_by_socket[c] / 2); - if (e) - clib_error_report (e); - })); - /* *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); - - error = vlib_unix_recursive_mkdir ((char *) huge_dir_path); - if (error) - { - goto done; - } - - rv = mount ("none", (char *) huge_dir_path, "hugetlbfs", 0, NULL); - - if (rv) - { - error = clib_error_return (0, "mount failed %d", errno); - goto done; - } + /* *INDENT-OFF* */ + clib_bitmap_foreach (x, tm->cpu_socket_bitmap, ( + { + clib_error_t *e; + uword n_pages; + /* preallocate at least 16MB of hugepages per socket, + if more is needed it is up to consumer to preallocate more */ + n_pages = round_pow2 ((uword) 16 << 20, default_hugepage_sz); + n_pages /= default_hugepage_sz; + + if ((e = clib_sysfs_prealloc_hugepages(x, 0, n_pages))) + clib_error_report (e); + })); + /* *INDENT-ON* */ - tmp = format (0, "--huge-dir%c", 0); + if (!file_prefix) + { + tmp = format (0, "--file-prefix%c", 0); vec_add1 (conf->eal_init_args, tmp); - tmp = format (0, "%s%c", huge_dir_path, 0); + tmp = format (0, "vpp%c", 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); - } } if (error) @@ -1375,6 +1363,9 @@ dpdk_config (vlib_main_t * vm, unformat_input_t * input) if (no_pci == 0 && geteuid () == 0) dpdk_bind_devices_to_uio (conf); + if (no_vmbus == 0 && geteuid () == 0) + dpdk_bind_vmbus_devices_to_uio (conf); + #define _(x) \ if (devconf->x == 0 && conf->default_devconf.x > 0) \ devconf->x = conf->default_devconf.x ; @@ -1411,14 +1402,9 @@ dpdk_config (vlib_main_t * vm, unformat_input_t * input) tmp = format (0, "%u%c", tm->main_lcore, 0); vec_add1 (conf->eal_init_args, tmp); - /* set socket-mem */ - if (!no_huge) - { - 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); - } + + if (socket_mem) + clib_warning ("socket-mem argument is deprecated"); /* NULL terminate the "argv" vector, in case of stupidity */ vec_add1 (conf->eal_init_args, 0); @@ -1517,7 +1503,7 @@ dpdk_update_link_state (dpdk_device_t * xd, f64 now) return; xd->time_last_link_update = now ? now : xd->time_last_link_update; - memset (&xd->link, 0, sizeof (xd->link)); + clib_memset (&xd->link, 0, sizeof (xd->link)); rte_eth_link_get_nowait (xd->port_id, &xd->link); if (LINK_STATE_ELOGS) @@ -1567,54 +1553,10 @@ dpdk_update_link_state (dpdk_device_t * xd, f64 now) 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_2_5G: - hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_2_5G; - break; - case ETH_SPEED_NUM_5G: - hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_5G; - break; - case ETH_SPEED_NUM_10G: - hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10G; - break; - case ETH_SPEED_NUM_20G: - hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_20G; - break; - case ETH_SPEED_NUM_25G: - hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_25G; - break; - case ETH_SPEED_NUM_40G: - hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_40G; - break; - case ETH_SPEED_NUM_50G: - hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_50G; - break; - case ETH_SPEED_NUM_56G: - hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_56G; - break; - case ETH_SPEED_NUM_100G: - hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_100G; - break; - case 0: - break; - default: - dpdk_log_warn ("unknown link speed %d", xd->link.link_speed); - break; - } - } + if (xd->link.link_speed != prev_link.link_speed) + vnet_hw_interface_set_link_speed (vnm, xd->hw_if_index, + xd->link.link_speed * 1000); + if (hw_flags_chg) { if (LINK_STATE_ELOGS) @@ -1830,12 +1772,13 @@ dpdk_init (vlib_main_t * vm) 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"); + vec_add1 (dm->conf->eal_init_args, (u8 *) "--in-memory"); /* Default vlib_buffer_t flags, DISABLES tcp/udp checksumming... */ - dm->buffer_flags_template = - (VLIB_BUFFER_TOTAL_LENGTH_VALID | VLIB_BUFFER_EXT_HDR_VALID - | VNET_BUFFER_F_L4_CHECKSUM_COMPUTED | - VNET_BUFFER_F_L4_CHECKSUM_CORRECT | VNET_BUFFER_F_L2_HDR_OFFSET_VALID); + dm->buffer_flags_template = (VLIB_BUFFER_TOTAL_LENGTH_VALID | + VLIB_BUFFER_EXT_HDR_VALID | + VNET_BUFFER_F_L4_CHECKSUM_COMPUTED | + VNET_BUFFER_F_L4_CHECKSUM_CORRECT); dm->stat_poll_interval = DPDK_STATS_POLL_INTERVAL; dm->link_state_poll_interval = DPDK_LINK_POLL_INTERVAL;