1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
|
/*
* 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;
}
}
|
