/* * 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. */ #define DPDK_NB_RX_DESC_DEFAULT 512 #define DPDK_NB_TX_DESC_DEFAULT 512 #define DPDK_NB_RX_DESC_VIRTIO 256 #define DPDK_NB_TX_DESC_VIRTIO 256 #define DPDK_NB_RX_DESC_10GE 2048 #define DPDK_NB_TX_DESC_10GE 2048 #define DPDK_NB_RX_DESC_40GE (4096-128) #define DPDK_NB_TX_DESC_40GE 2048 #define foreach_dpdk_counter \ _ (tx_frames_ok, opackets) \ _ (tx_bytes_ok, obytes) \ _ (tx_errors, oerrors) \ _ (tx_loopback_frames_ok, olbpackets) \ _ (tx_loopback_bytes_ok, olbbytes) \ _ (rx_frames_ok, ipackets) \ _ (rx_bytes_ok, ibytes) \ _ (rx_errors, ierrors) \ _ (rx_missed, imissed) \ _ (rx_bad_crc, ibadcrc) \ _ (rx_bad_length, ibadlen) \ _ (rx_multicast_frames_ok, imcasts) \ _ (rx_no_bufs, rx_nombuf) \ _ (rx_filter_match, fdirmatch) \ _ (rx_filter_miss, fdirmiss) \ _ (tx_pause_xon, tx_pause_xon) \ _ (rx_pause_xon, rx_pause_xon) \ _ (tx_pause_xoff, tx_pause_xoff) \ _ (rx_pause_xoff, rx_pause_xoff) \ _ (rx_loopback_frames_ok, ilbpackets) \ _ (rx_loopback_bytes_ok, ilbbytes) #define foreach_dpdk_q_counter \ _ (rx_frames_ok, q_ipackets) \ _ (tx_frames_ok, q_opackets) \ _ (rx_bytes_ok, q_ibytes) \ _ (tx_bytes_ok, q_obytes) \ _ (rx_errors, q_errors) #define foreach_dpdk_rss_hf \ _(ETH_RSS_IPV4, "ipv4") \ _(ETH_RSS_FRAG_IPV4, "ipv4-frag") \ _(ETH_RSS_NONFRAG_IPV4_TCP, "ipv4-tcp") \ _(ETH_RSS_NONFRAG_IPV4_UDP, "ipv4-udp") \ _(ETH_RSS_NONFRAG_IPV4_SCTP, "ipv4-sctp") \ _(ETH_RSS_NONFRAG_IPV4_OTHER, "ipv4-other") \ _(ETH_RSS_IPV6, "ipv6") \ _(ETH_RSS_FRAG_IPV6, "ipv6-frag") \ _(ETH_RSS_NONFRAG_IPV6_TCP, "ipv6-tcp") \ _(ETH_RSS_NONFRAG_IPV6_UDP, "ipv6-udp") \ _(ETH_RSS_NONFRAG_IPV6_SCTP, "ipv6-sctp") \ _(ETH_RSS_NONFRAG_IPV6_OTHER, "ipv6-other") \ _(ETH_RSS_L2_PAYLOAD, "l2-payload") \ _(ETH_RSS_IPV6_EX, "ipv6-ex") \ _(ETH_RSS_IPV6_TCP_EX, "ipv6-tcp-ex") \ _(ETH_RSS_IPV6_UDP_EX, "ipv6-udp-ex") #define foreach_dpdk_rx_offload_caps \ _(DEV_RX_OFFLOAD_VLAN_STRIP, "vlan-strip") \ _(DEV_RX_OFFLOAD_IPV4_CKSUM, "ipv4-cksum") \ _(DEV_RX_OFFLOAD_UDP_CKSUM , "udp-cksum") \ _(DEV_RX_OFFLOAD_TCP_CKSUM , "tcp-cksum") \ _(DEV_RX_OFFLOAD_TCP_LRO , "rcp-lro") \ _(DEV_RX_OFFLOAD_QINQ_STRIP, "qinq-strip") #define foreach_dpdk_tx_offload_caps \ _(DEV_TX_OFFLOAD_VLAN_INSERT, "vlan-insert") \ _(DEV_TX_OFFLOAD_IPV4_CKSUM, "ipv4-cksum") \ _(DEV_TX_OFFLOAD_UDP_CKSUM , "udp-cksum") \ _(DEV_TX_OFFLOAD_TCP_CKSUM , "tcp-cksum") \ _(DEV_TX_OFFLOAD_SCTP_CKSUM , "sctp-cksum") \ _(DEV_TX_OFFLOAD_TCP_TSO , "tcp-tso") \ _(DEV_TX_OFFLOAD_UDP_TSO , "udp-tso") \ _(DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM, "outer-ipv4-cksum") \ _(DEV_TX_OFFLOAD_QINQ_INSERT, "qinq-insert") #if RTE_VERSION >= RTE_VERSION_NUM(2, 1, 0, 0) #define foreach_dpdk_pkt_rx_offload_flag \ _ (PKT_RX_VLAN_PKT, "RX packet is a 802.1q VLAN packet") \ _ (PKT_RX_RSS_HASH, "RX packet with RSS hash result") \ _ (PKT_RX_FDIR, "RX packet with FDIR infos") \ _ (PKT_RX_L4_CKSUM_BAD, "L4 cksum of RX pkt. is not OK") \ _ (PKT_RX_IP_CKSUM_BAD, "IP cksum of RX pkt. is not OK") \ _ (PKT_RX_IEEE1588_PTP, "RX IEEE1588 L2 Ethernet PT Packet") \ _ (PKT_RX_IEEE1588_TMST, "RX IEEE1588 L2/L4 timestamped packet") #define foreach_dpdk_pkt_type \ _ (RTE_PTYPE_L3_IPV4, "Packet with IPv4 header") \ _ (RTE_PTYPE_L3_IPV4_EXT, "Packet with extended IPv4 header") \ _ (RTE_PTYPE_L3_IPV6, "Packet with IPv6 header") \ _ (RTE_PTYPE_L3_IPV6_EXT, "Packet with extended IPv6 header") #else #define foreach_dpdk_pkt_rx_offload_flag \ _ (PKT_RX_VLAN_PKT, "RX packet is a 802.1q VLAN packet") \ _ (PKT_RX_RSS_HASH, "RX packet with RSS hash result") \ _ (PKT_RX_FDIR, "RX packet with FDIR infos") \ _ (PKT_RX_L4_CKSUM_BAD, "L4 cksum of RX pkt. is not OK") \ _ (PKT_RX_IP_CKSUM_BAD, "IP cksum of RX pkt. is not OK") \ _ (PKT_RX_IPV4_HDR, "RX packet with IPv4 header") \ _ (PKT_RX_IPV4_HDR_EXT, "RX packet with extended IPv4 header") \ _ (PKT_RX_IPV6_HDR, "RX packet with IPv6 header") \ _ (PKT_RX_IPV6_HDR_EXT, "RX packet with extended IPv6 header") \ _ (PKT_RX_IEEE1588_PTP, "RX IEEE1588 L2 Ethernet PT Packet") \ _ (PKT_RX_IEEE1588_TMST, "RX IEEE1588 L2/L4 timestamped packet") #define foreach_dpdk_pkt_type /* Dummy */ #endif /* RTE_VERSION */ #define foreach_dpdk_pkt_tx_offload_flag \ _ (PKT_TX_VLAN_PKT, "TX packet is a 802.1q VLAN packet") \ _ (PKT_TX_IP_CKSUM, "IP cksum of TX pkt. computed by NIC") \ _ (PKT_TX_TCP_CKSUM, "TCP cksum of TX pkt. computed by NIC") \ _ (PKT_TX_SCTP_CKSUM, "SCTP cksum of TX pkt. computed by NIC") \ _ (PKT_TX_IEEE1588_TMST, "TX IEEE1588 packet to timestamp") #define foreach_dpdk_pkt_offload_flag \ foreach_dpdk_pkt_rx_offload_flag \ foreach_dpdk_pkt_tx_offload_flag static inline u8 * format_dpdk_pkt_types (u8 * s, va_list * va) { u32 *pkt_types = va_arg (*va, u32 *); uword indent __attribute__((unused)) = format_get_indent (s) + 2; if (!*pkt_types) return s; s = format (s, "Packet Types"); #define _(F, S) \ if (*pkt_types & F) \ { \ s = format (s, "\n%U%s (0x%04x) %s", \ format_white_space, indent, #F, F, S); \ } foreach_dpdk_pkt_type #undef _ return s; } static inline u8 * format_dpdk_pkt_offload_flags (u8 * s, va_list * va) { u16 *ol_flags = va_arg (*va, u16 *); uword indent = format_get_indent (s) + 2; if (!*ol_flags) return s; s = format (s, "Packet Offload Flags"); #define _(F, S) \ if (*ol_flags & F) \ { \ s = format (s, "\n%U%s (0x%04x) %s", \ format_white_space, indent, #F, F, S); \ } foreach_dpdk_pkt_offload_flag #undef _ return s; } static inline u8 * format_dpdk_rte_mbuf (u8 * s, va_list * va) { struct rte_mbuf * mb = va_arg (*va, struct rte_mbuf *); uword indent = format_get_indent (s) + 2; s = format (s, "PKT MBUF: port %d, nb_segs %d, pkt_len %d" "\n%Ubuf_len %d, data_len %d, ol_flags 0x%x," "\n%Upacket_type 0x%x", mb->port, mb->nb_segs, mb->pkt_len, format_white_space, indent, mb->buf_len, mb->data_len, mb->ol_flags, format_white_space, indent, mb->packet_type); if (mb->ol_flags) s = format (s, "\n%U%U", format_white_space, indent, format_dpdk_pkt_offload_flags, &mb->ol_flags); if (mb->packet_type) s = format (s, "\n%U%U", format_white_space, indent, format_dpdk_pkt_types, &mb->packet_type); return s; } #ifdef RTE_LIBRTE_MBUF_EXT_RX_OLFLAGS #define foreach_dpdk_pkt_ext_rx_offload_flag \ _ (PKT_EXT_RX_PKT_ERROR, "RX Packet Error") \ _ (PKT_EXT_RX_BAD_FCS, "RX Bad FCS checksum") \ _ (PKT_EXT_RX_UDP, "RX packet with UDP L4 header") \ _ (PKT_EXT_RX_TCP, "RX packet with TCP L4 header") \ _ (PKT_EXT_RX_IPV4_FRAGMENT, "RX packet IPv4 Fragment") #define foreach_dpdk_pkt_ext_offload_flag \ foreach_dpdk_pkt_rx_offload_flag \ foreach_dpdk_pkt_ext_rx_offload_flag static inline u8 * format_dpdk_pkt_rx_offload_flags (u8 * s, va_list * va) { u16 *ol_flags = va_arg (*va, u16 *); uword indent = format_get_indent (s) + 2; if (!*ol_flags) return s; s = format (s, "Packet RX Offload Flags"); #define _(F, S) \ if (*ol_flags & F) \ { \ s = format (s, "\n%U%s (0x%04x) %s", \ format_white_space, indent, #F, F, S); \ } foreach_dpdk_pkt_ext_offload_flag #undef _ return s; } static inline u8 * format_dpdk_rx_rte_mbuf (u8 * s, va_list * va) { struct rte_mbuf * mb = va_arg (*va, struct rte_mbuf *); uword indent = format_get_indent (s) + 2; /* * Note: Assumes mb is head of pkt chain -- port, nb_segs, & pkt_len * are only valid for the 1st mbuf segment. */ s = format (s, "PKT MBUF: port %d, nb_segs %d, pkt_len %d" "\n%Ubuf_len %d, data_len %d, ol_flags 0x%x" "\n%Upacket_type 0x%x", mb->port, mb->nb_segs, mb->pkt_len, format_white_space, indent, mb->buf_len, mb->data_len, mb->ol_flags, format_white_space, indent, mb->packet_type); if (mb->ol_flags) s = format (s, "\n%U%U", format_white_space, indent, format_dpdk_pkt_rx_offload_flags, &mb->ol_flags); if (mb->packet_type) s = format (s, "\n%U%U", format_white_space, indent, format_dpdk_pkt_types, &mb->packet_type); return s; } #endif /* RTE_LIBRTE_MBUF_EXT_RX_OLFLAGS */ /* These args appear by themselves */ #define foreach_eal_double_hyphen_predicate_arg \ _(no-shconf) \ _(no-hpet) \ _(no-pci) \ _(no-huge) \ _(vmware-tsc-map) \ _(virtio-vhost) #define foreach_eal_single_hyphen_mandatory_arg \ _(coremask, c) \ _(nchannels, n) \ #define foreach_eal_single_hyphen_arg \ _(blacklist, b) \ _(mem-alloc-request, m) \ _(force-ranks, r) /* These args are preceeded by "--" and followed by a single string */ #define foreach_eal_double_hyphen_arg \ _(huge-dir) \ _(proc-type) \ _(file-prefix) \ _(socket-mem) \ _(vdev) static inline u32 dpdk_rx_burst ( dpdk_main_t * dm, dpdk_device_t * xd, u16 queue_id) { u32 n_buffers; u32 n_left; u32 n_this_chunk; n_left = VLIB_FRAME_SIZE; n_buffers = 0; if (PREDICT_TRUE(xd->dev_type == VNET_DPDK_DEV_ETH)) { while (n_left) { n_this_chunk = rte_eth_rx_burst (xd->device_index, queue_id, xd->rx_vectors[queue_id] + n_buffers, n_left); n_buffers += n_this_chunk; n_left -= n_this_chunk; /* Empirically, DPDK r1.8 produces vectors w/ 32 or fewer elts */ if (n_this_chunk < 32) break; } } else if (xd->dev_type == VNET_DPDK_DEV_VHOST_USER) { vlib_main_t * vm = vlib_get_main(); vlib_buffer_main_t * bm = vm->buffer_main; unsigned socket_id = rte_socket_id(); if (PREDICT_FALSE(!xd->vu_is_running)) return 0; n_buffers = rte_vhost_dequeue_burst(&xd->vu_vhost_dev, VIRTIO_TXQ, bm->pktmbuf_pools[socket_id], xd->rx_vectors[queue_id], VLIB_FRAME_SIZE); f64 now = vlib_time_now (dm->vlib_main); /* send pending interrupts if needed */ if (dpdk_vhost_user_want_interrupt(xd, VIRTIO_TXQ)) { dpdk_vu_vring *vring = &(xd->vu_intf->vrings[VIRTIO_TXQ]); vring->n_since_last_int += n_buffers; if ((vring->n_since_last_int && (vring->int_deadline < now)) || (vring->n_since_last_int > dm->vhost_coalesce_frames)) dpdk_vhost_user_send_interrupt(dm->vlib_main, xd, VIRTIO_TXQ); } if (dpdk_vhost_user_want_interrupt(xd, VIRTIO_RXQ)) { dpdk_vu_vring *vring = &(xd->vu_intf->vrings[VIRTIO_RXQ]); if (vring->n_since_last_int && (vring->int_deadline < now)) dpdk_vhost_user_send_interrupt(dm->vlib_main, xd, VIRTIO_RXQ); } } else if (xd->dev_type == VNET_DPDK_DEV_KNI) { n_buffers = rte_kni_rx_burst(xd->kni, xd->rx_vectors[queue_id], VLIB_FRAME_SIZE); rte_kni_handle_request(xd->kni); } else { ASSERT(0); } return n_buffers; } static inline void dpdk_update_counters (dpdk_device_t * xd, f64 now) { vlib_simple_counter_main_t * cm; vnet_main_t * vnm = vnet_get_main(); u32 my_cpu = os_get_cpu_number(); u64 rxerrors, last_rxerrors; int len; /* only update counters for PMD interfaces */ if (xd->dev_type != VNET_DPDK_DEV_ETH) return; /* * DAW-FIXME: VMXNET3 device stop/start doesn't work, * therefore fake the stop in the dpdk driver by * silently dropping all of the incoming pkts instead of * stopping the driver / hardware. */ if (xd->admin_up != 0xff) { xd->time_last_stats_update = now ? now : xd->time_last_stats_update; memcpy (&xd->last_stats, &xd->stats, sizeof (xd->last_stats)); rte_eth_stats_get (xd->device_index, &xd->stats); /* maybe bump interface rx no buffer counter */ if (PREDICT_FALSE (xd->stats.rx_nombuf != xd->last_stats.rx_nombuf)) { cm = vec_elt_at_index (vnm->interface_main.sw_if_counters, VNET_INTERFACE_COUNTER_RX_NO_BUF); vlib_increment_simple_counter (cm, my_cpu, xd->vlib_sw_if_index, xd->stats.rx_nombuf - xd->last_stats.rx_nombuf); } /* missed pkt counter */ if (PREDICT_FALSE (xd->stats.imissed != xd->last_stats.imissed)) { cm = vec_elt_at_index (vnm->interface_main.sw_if_counters, VNET_INTERFACE_COUNTER_RX_MISS); vlib_increment_simple_counter (cm, my_cpu, xd->vlib_sw_if_index, xd->stats.imissed - xd->last_stats.imissed); } rxerrors = xd->stats.ibadcrc + xd->stats.ibadlen + xd->stats.ierrors; last_rxerrors = xd->last_stats.ibadcrc + xd->last_stats.ibadlen + xd->last_stats.ierrors; if (PREDICT_FALSE (rxerrors != last_rxerrors)) { cm = vec_elt_at_index (vnm->interface_main.sw_if_counters, VNET_INTERFACE_COUNTER_RX_ERROR); vlib_increment_simple_counter (cm, my_cpu, xd->vlib_sw_if_index, rxerrors - last_rxerrors); } } if ((len = rte_eth_xstats_get(xd->device_index, NULL, 0)) > 0) { vec_validate(xd->xstats, len - 1); len = rte_eth_xstats_get(xd->device_index, xd->xstats, vec_len(xd->xstats)); ASSERT(vec_len(xd->xstats) == len); _vec_len(xd->xstats) = len; } }