2 * Copyright (c) 2015 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
16 #define DPDK_NB_RX_DESC_DEFAULT 512
17 #define DPDK_NB_TX_DESC_DEFAULT 512
18 #define DPDK_NB_RX_DESC_VIRTIO 256
19 #define DPDK_NB_TX_DESC_VIRTIO 256
20 #define DPDK_NB_RX_DESC_10GE 2048
21 #define DPDK_NB_TX_DESC_10GE 2048
22 #define DPDK_NB_RX_DESC_40GE (4096-128)
23 #define DPDK_NB_TX_DESC_40GE 2048
25 #if RTE_VERSION >= RTE_VERSION_NUM(2, 2, 0, 0)
26 #define foreach_dpdk_counter \
27 _ (tx_frames_ok, opackets) \
28 _ (tx_bytes_ok, obytes) \
29 _ (tx_errors, oerrors) \
30 _ (tx_loopback_frames_ok, olbpackets) \
31 _ (tx_loopback_bytes_ok, olbbytes) \
32 _ (rx_frames_ok, ipackets) \
33 _ (rx_bytes_ok, ibytes) \
34 _ (rx_errors, ierrors) \
35 _ (rx_missed, imissed) \
36 _ (rx_multicast_frames_ok, imcasts) \
37 _ (rx_no_bufs, rx_nombuf) \
38 _ (rx_loopback_frames_ok, ilbpackets) \
39 _ (rx_loopback_bytes_ok, ilbbytes)
41 #define foreach_dpdk_counter \
42 _ (tx_frames_ok, opackets) \
43 _ (tx_bytes_ok, obytes) \
44 _ (tx_errors, oerrors) \
45 _ (tx_loopback_frames_ok, olbpackets) \
46 _ (tx_loopback_bytes_ok, olbbytes) \
47 _ (rx_frames_ok, ipackets) \
48 _ (rx_bytes_ok, ibytes) \
49 _ (rx_errors, ierrors) \
50 _ (rx_missed, imissed) \
51 _ (rx_bad_crc, ibadcrc) \
52 _ (rx_bad_length, ibadlen) \
53 _ (rx_multicast_frames_ok, imcasts) \
54 _ (rx_no_bufs, rx_nombuf) \
55 _ (rx_filter_match, fdirmatch) \
56 _ (rx_filter_miss, fdirmiss) \
57 _ (tx_pause_xon, tx_pause_xon) \
58 _ (rx_pause_xon, rx_pause_xon) \
59 _ (tx_pause_xoff, tx_pause_xoff) \
60 _ (rx_pause_xoff, rx_pause_xoff) \
61 _ (rx_loopback_frames_ok, ilbpackets) \
62 _ (rx_loopback_bytes_ok, ilbbytes)
65 #define foreach_dpdk_q_counter \
66 _ (rx_frames_ok, q_ipackets) \
67 _ (tx_frames_ok, q_opackets) \
68 _ (rx_bytes_ok, q_ibytes) \
69 _ (tx_bytes_ok, q_obytes) \
70 _ (rx_errors, q_errors)
72 #define foreach_dpdk_rss_hf \
73 _(ETH_RSS_IPV4, "ipv4") \
74 _(ETH_RSS_FRAG_IPV4, "ipv4-frag") \
75 _(ETH_RSS_NONFRAG_IPV4_TCP, "ipv4-tcp") \
76 _(ETH_RSS_NONFRAG_IPV4_UDP, "ipv4-udp") \
77 _(ETH_RSS_NONFRAG_IPV4_SCTP, "ipv4-sctp") \
78 _(ETH_RSS_NONFRAG_IPV4_OTHER, "ipv4-other") \
79 _(ETH_RSS_IPV6, "ipv6") \
80 _(ETH_RSS_FRAG_IPV6, "ipv6-frag") \
81 _(ETH_RSS_NONFRAG_IPV6_TCP, "ipv6-tcp") \
82 _(ETH_RSS_NONFRAG_IPV6_UDP, "ipv6-udp") \
83 _(ETH_RSS_NONFRAG_IPV6_SCTP, "ipv6-sctp") \
84 _(ETH_RSS_NONFRAG_IPV6_OTHER, "ipv6-other") \
85 _(ETH_RSS_L2_PAYLOAD, "l2-payload") \
86 _(ETH_RSS_IPV6_EX, "ipv6-ex") \
87 _(ETH_RSS_IPV6_TCP_EX, "ipv6-tcp-ex") \
88 _(ETH_RSS_IPV6_UDP_EX, "ipv6-udp-ex")
90 #define foreach_dpdk_rx_offload_caps \
91 _(DEV_RX_OFFLOAD_VLAN_STRIP, "vlan-strip") \
92 _(DEV_RX_OFFLOAD_IPV4_CKSUM, "ipv4-cksum") \
93 _(DEV_RX_OFFLOAD_UDP_CKSUM , "udp-cksum") \
94 _(DEV_RX_OFFLOAD_TCP_CKSUM , "tcp-cksum") \
95 _(DEV_RX_OFFLOAD_TCP_LRO , "rcp-lro") \
96 _(DEV_RX_OFFLOAD_QINQ_STRIP, "qinq-strip")
98 #define foreach_dpdk_tx_offload_caps \
99 _(DEV_TX_OFFLOAD_VLAN_INSERT, "vlan-insert") \
100 _(DEV_TX_OFFLOAD_IPV4_CKSUM, "ipv4-cksum") \
101 _(DEV_TX_OFFLOAD_UDP_CKSUM , "udp-cksum") \
102 _(DEV_TX_OFFLOAD_TCP_CKSUM , "tcp-cksum") \
103 _(DEV_TX_OFFLOAD_SCTP_CKSUM , "sctp-cksum") \
104 _(DEV_TX_OFFLOAD_TCP_TSO , "tcp-tso") \
105 _(DEV_TX_OFFLOAD_UDP_TSO , "udp-tso") \
106 _(DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM, "outer-ipv4-cksum") \
107 _(DEV_TX_OFFLOAD_QINQ_INSERT, "qinq-insert")
109 #if RTE_VERSION >= RTE_VERSION_NUM(2, 1, 0, 0)
111 #define foreach_dpdk_pkt_rx_offload_flag \
112 _ (PKT_RX_VLAN_PKT, "RX packet is a 802.1q VLAN packet") \
113 _ (PKT_RX_RSS_HASH, "RX packet with RSS hash result") \
114 _ (PKT_RX_FDIR, "RX packet with FDIR infos") \
115 _ (PKT_RX_L4_CKSUM_BAD, "L4 cksum of RX pkt. is not OK") \
116 _ (PKT_RX_IP_CKSUM_BAD, "IP cksum of RX pkt. is not OK") \
117 _ (PKT_RX_IEEE1588_PTP, "RX IEEE1588 L2 Ethernet PT Packet") \
118 _ (PKT_RX_IEEE1588_TMST, "RX IEEE1588 L2/L4 timestamped packet")
120 #define foreach_dpdk_pkt_type \
121 _ (RTE_PTYPE_L3_IPV4, "Packet with IPv4 header") \
122 _ (RTE_PTYPE_L3_IPV4_EXT, "Packet with extended IPv4 header") \
123 _ (RTE_PTYPE_L3_IPV6, "Packet with IPv6 header") \
124 _ (RTE_PTYPE_L3_IPV6_EXT, "Packet with extended IPv6 header")
126 #define foreach_dpdk_pkt_rx_offload_flag \
127 _ (PKT_RX_VLAN_PKT, "RX packet is a 802.1q VLAN packet") \
128 _ (PKT_RX_RSS_HASH, "RX packet with RSS hash result") \
129 _ (PKT_RX_FDIR, "RX packet with FDIR infos") \
130 _ (PKT_RX_L4_CKSUM_BAD, "L4 cksum of RX pkt. is not OK") \
131 _ (PKT_RX_IP_CKSUM_BAD, "IP cksum of RX pkt. is not OK") \
132 _ (PKT_RX_IPV4_HDR, "RX packet with IPv4 header") \
133 _ (PKT_RX_IPV4_HDR_EXT, "RX packet with extended IPv4 header") \
134 _ (PKT_RX_IPV6_HDR, "RX packet with IPv6 header") \
135 _ (PKT_RX_IPV6_HDR_EXT, "RX packet with extended IPv6 header") \
136 _ (PKT_RX_IEEE1588_PTP, "RX IEEE1588 L2 Ethernet PT Packet") \
137 _ (PKT_RX_IEEE1588_TMST, "RX IEEE1588 L2/L4 timestamped packet")
139 #define foreach_dpdk_pkt_type /* Dummy */
140 #endif /* RTE_VERSION */
142 #define foreach_dpdk_pkt_tx_offload_flag \
143 _ (PKT_TX_VLAN_PKT, "TX packet is a 802.1q VLAN packet") \
144 _ (PKT_TX_IP_CKSUM, "IP cksum of TX pkt. computed by NIC") \
145 _ (PKT_TX_TCP_CKSUM, "TCP cksum of TX pkt. computed by NIC") \
146 _ (PKT_TX_SCTP_CKSUM, "SCTP cksum of TX pkt. computed by NIC") \
147 _ (PKT_TX_IEEE1588_TMST, "TX IEEE1588 packet to timestamp")
149 #define foreach_dpdk_pkt_offload_flag \
150 foreach_dpdk_pkt_rx_offload_flag \
151 foreach_dpdk_pkt_tx_offload_flag
153 static inline u8 * format_dpdk_pkt_types (u8 * s, va_list * va)
155 u32 *pkt_types = va_arg (*va, u32 *);
156 uword indent __attribute__((unused)) = format_get_indent (s) + 2;
161 s = format (s, "Packet Types");
164 if (*pkt_types & F) \
166 s = format (s, "\n%U%s (0x%04x) %s", \
167 format_white_space, indent, #F, F, S); \
170 foreach_dpdk_pkt_type
177 static inline u8 * format_dpdk_pkt_offload_flags (u8 * s, va_list * va)
179 u16 *ol_flags = va_arg (*va, u16 *);
180 uword indent = format_get_indent (s) + 2;
185 s = format (s, "Packet Offload Flags");
190 s = format (s, "\n%U%s (0x%04x) %s", \
191 format_white_space, indent, #F, F, S); \
194 foreach_dpdk_pkt_offload_flag
201 static inline u8 * format_dpdk_rte_mbuf (u8 * s, va_list * va)
203 struct rte_mbuf * mb = va_arg (*va, struct rte_mbuf *);
204 uword indent = format_get_indent (s) + 2;
206 s = format (s, "PKT MBUF: port %d, nb_segs %d, pkt_len %d"
207 "\n%Ubuf_len %d, data_len %d, ol_flags 0x%x,"
208 "\n%Upacket_type 0x%x",
209 mb->port, mb->nb_segs, mb->pkt_len,
210 format_white_space, indent,
211 mb->buf_len, mb->data_len, mb->ol_flags,
212 format_white_space, indent,
216 s = format (s, "\n%U%U", format_white_space, indent,
217 format_dpdk_pkt_offload_flags, &mb->ol_flags);
220 s = format (s, "\n%U%U", format_white_space, indent,
221 format_dpdk_pkt_types, &mb->packet_type);
225 #ifdef RTE_LIBRTE_MBUF_EXT_RX_OLFLAGS
226 #define foreach_dpdk_pkt_ext_rx_offload_flag \
227 _ (PKT_EXT_RX_PKT_ERROR, "RX Packet Error") \
228 _ (PKT_EXT_RX_BAD_FCS, "RX Bad FCS checksum") \
229 _ (PKT_EXT_RX_UDP, "RX packet with UDP L4 header") \
230 _ (PKT_EXT_RX_TCP, "RX packet with TCP L4 header") \
231 _ (PKT_EXT_RX_IPV4_FRAGMENT, "RX packet IPv4 Fragment")
233 #define foreach_dpdk_pkt_ext_offload_flag \
234 foreach_dpdk_pkt_rx_offload_flag \
235 foreach_dpdk_pkt_ext_rx_offload_flag
237 static inline u8 * format_dpdk_pkt_rx_offload_flags (u8 * s, va_list * va)
239 u16 *ol_flags = va_arg (*va, u16 *);
240 uword indent = format_get_indent (s) + 2;
245 s = format (s, "Packet RX Offload Flags");
250 s = format (s, "\n%U%s (0x%04x) %s", \
251 format_white_space, indent, #F, F, S); \
254 foreach_dpdk_pkt_ext_offload_flag
261 static inline u8 * format_dpdk_rx_rte_mbuf (u8 * s, va_list * va)
263 struct rte_mbuf * mb = va_arg (*va, struct rte_mbuf *);
264 uword indent = format_get_indent (s) + 2;
267 * Note: Assumes mb is head of pkt chain -- port, nb_segs, & pkt_len
268 * are only valid for the 1st mbuf segment.
270 s = format (s, "PKT MBUF: port %d, nb_segs %d, pkt_len %d"
271 "\n%Ubuf_len %d, data_len %d, ol_flags 0x%x"
272 "\n%Upacket_type 0x%x",
273 mb->port, mb->nb_segs, mb->pkt_len,
274 format_white_space, indent,
275 mb->buf_len, mb->data_len, mb->ol_flags,
276 format_white_space, indent,
280 s = format (s, "\n%U%U", format_white_space, indent,
281 format_dpdk_pkt_rx_offload_flags, &mb->ol_flags);
284 s = format (s, "\n%U%U", format_white_space, indent,
285 format_dpdk_pkt_types, &mb->packet_type);
288 #endif /* RTE_LIBRTE_MBUF_EXT_RX_OLFLAGS */
290 /* These args appear by themselves */
291 #define foreach_eal_double_hyphen_predicate_arg \
299 #define foreach_eal_single_hyphen_mandatory_arg \
303 #define foreach_eal_single_hyphen_arg \
305 _(mem-alloc-request, m) \
308 /* These args are preceeded by "--" and followed by a single string */
309 #define foreach_eal_double_hyphen_arg \
317 dpdk_rx_burst ( dpdk_main_t * dm, dpdk_device_t * xd, u16 queue_id)
323 n_left = VLIB_FRAME_SIZE;
326 if (PREDICT_TRUE(xd->dev_type == VNET_DPDK_DEV_ETH))
330 n_this_chunk = rte_eth_rx_burst (xd->device_index, queue_id,
331 xd->rx_vectors[queue_id] + n_buffers, n_left);
332 n_buffers += n_this_chunk;
333 n_left -= n_this_chunk;
335 /* Empirically, DPDK r1.8 produces vectors w/ 32 or fewer elts */
336 if (n_this_chunk < 32)
340 else if (xd->dev_type == VNET_DPDK_DEV_VHOST_USER)
342 vlib_main_t * vm = vlib_get_main();
343 vlib_buffer_main_t * bm = vm->buffer_main;
344 unsigned socket_id = rte_socket_id();
347 #if RTE_VERSION >= RTE_VERSION_NUM(2, 2, 0, 0)
348 offset = queue_id * VIRTIO_QNUM;
350 struct vhost_virtqueue *vq =
351 xd->vu_vhost_dev.virtqueue[offset + VIRTIO_TXQ];
353 if (PREDICT_FALSE(!vq->enabled))
356 if (PREDICT_FALSE(!xd->vu_is_running))
360 n_buffers = rte_vhost_dequeue_burst(&xd->vu_vhost_dev, offset + VIRTIO_TXQ,
361 bm->pktmbuf_pools[socket_id],
362 xd->rx_vectors[queue_id], VLIB_FRAME_SIZE);
364 f64 now = vlib_time_now (vm);
366 /* send pending interrupts if needed */
367 if (dpdk_vhost_user_want_interrupt(xd, offset + VIRTIO_TXQ)) {
368 dpdk_vu_vring *vring = &(xd->vu_intf->vrings[offset + VIRTIO_TXQ]);
369 vring->n_since_last_int += n_buffers;
371 if ((vring->n_since_last_int && (vring->int_deadline < now))
372 || (vring->n_since_last_int > dm->vhost_coalesce_frames))
373 dpdk_vhost_user_send_interrupt(vm, xd, offset + VIRTIO_TXQ);
376 if (dpdk_vhost_user_want_interrupt(xd, offset + VIRTIO_RXQ)) {
377 dpdk_vu_vring *vring = &(xd->vu_intf->vrings[offset + VIRTIO_RXQ]);
378 if (vring->n_since_last_int && (vring->int_deadline < now))
379 dpdk_vhost_user_send_interrupt(vm, xd, offset + VIRTIO_RXQ);
383 else if (xd->dev_type == VNET_DPDK_DEV_KNI)
385 n_buffers = rte_kni_rx_burst(xd->kni, xd->rx_vectors[queue_id], VLIB_FRAME_SIZE);
386 rte_kni_handle_request(xd->kni);
398 dpdk_update_counters (dpdk_device_t * xd, f64 now)
400 vlib_simple_counter_main_t * cm;
401 vnet_main_t * vnm = vnet_get_main();
402 u32 my_cpu = os_get_cpu_number();
403 u64 rxerrors, last_rxerrors;
406 /* only update counters for PMD interfaces */
407 if (xd->dev_type != VNET_DPDK_DEV_ETH)
411 * DAW-FIXME: VMXNET3 device stop/start doesn't work,
412 * therefore fake the stop in the dpdk driver by
413 * silently dropping all of the incoming pkts instead of
414 * stopping the driver / hardware.
416 if (xd->admin_up != 0xff)
418 xd->time_last_stats_update = now ? now : xd->time_last_stats_update;
419 memcpy (&xd->last_stats, &xd->stats, sizeof (xd->last_stats));
420 rte_eth_stats_get (xd->device_index, &xd->stats);
422 /* maybe bump interface rx no buffer counter */
423 if (PREDICT_FALSE (xd->stats.rx_nombuf != xd->last_stats.rx_nombuf))
425 cm = vec_elt_at_index (vnm->interface_main.sw_if_counters,
426 VNET_INTERFACE_COUNTER_RX_NO_BUF);
428 vlib_increment_simple_counter (cm, my_cpu, xd->vlib_sw_if_index,
429 xd->stats.rx_nombuf -
430 xd->last_stats.rx_nombuf);
433 /* missed pkt counter */
434 if (PREDICT_FALSE (xd->stats.imissed != xd->last_stats.imissed))
436 cm = vec_elt_at_index (vnm->interface_main.sw_if_counters,
437 VNET_INTERFACE_COUNTER_RX_MISS);
439 vlib_increment_simple_counter (cm, my_cpu, xd->vlib_sw_if_index,
441 xd->last_stats.imissed);
443 #if RTE_VERSION >= RTE_VERSION_NUM(2, 2, 0, 0)
444 rxerrors = xd->stats.ierrors;
445 last_rxerrors = xd->last_stats.ierrors;
447 rxerrors = xd->stats.ibadcrc
448 + xd->stats.ibadlen + xd->stats.ierrors;
449 last_rxerrors = xd->last_stats.ibadcrc
450 + xd->last_stats.ibadlen + xd->last_stats.ierrors;
453 if (PREDICT_FALSE (rxerrors != last_rxerrors))
455 cm = vec_elt_at_index (vnm->interface_main.sw_if_counters,
456 VNET_INTERFACE_COUNTER_RX_ERROR);
458 vlib_increment_simple_counter (cm, my_cpu, xd->vlib_sw_if_index,
459 rxerrors - last_rxerrors);
463 if ((len = rte_eth_xstats_get(xd->device_index, NULL, 0)) > 0)
465 vec_validate(xd->xstats, len - 1);
466 len = rte_eth_xstats_get(xd->device_index, xd->xstats, vec_len(xd->xstats));
467 ASSERT(vec_len(xd->xstats) == len);
468 _vec_len(xd->xstats) = len;