FD.io VPP  v19.04.2-12-g66b1689
Vector Packet Processing
dpdk_priv.h
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1 /*
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:
6  *
7  * http://www.apache.org/licenses/LICENSE-2.0
8  *
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.
14  */
15 
16 #define DPDK_NB_RX_DESC_DEFAULT 1024
17 #define DPDK_NB_TX_DESC_DEFAULT 1024
18 #define DPDK_NB_RX_DESC_VIRTIO 256
19 #define DPDK_NB_TX_DESC_VIRTIO 256
20 
21 #define I40E_DEV_ID_SFP_XL710 0x1572
22 #define I40E_DEV_ID_QSFP_A 0x1583
23 #define I40E_DEV_ID_QSFP_B 0x1584
24 #define I40E_DEV_ID_QSFP_C 0x1585
25 #define I40E_DEV_ID_10G_BASE_T 0x1586
26 #define I40E_DEV_ID_VF 0x154C
27 
28 /* These args appear by themselves */
29 #define foreach_eal_double_hyphen_predicate_arg \
30 _(no-shconf) \
31 _(no-hpet) \
32 _(no-huge) \
33 _(vmware-tsc-map)
34 
35 #define foreach_eal_single_hyphen_mandatory_arg \
36 _(coremask, c) \
37 _(nchannels, n) \
38 
39 #define foreach_eal_single_hyphen_arg \
40 _(blacklist, b) \
41 _(mem-alloc-request, m) \
42 _(force-ranks, r)
43 
44 /* These args are preceded by "--" and followed by a single string */
45 #define foreach_eal_double_hyphen_arg \
46 _(huge-dir) \
47 _(proc-type) \
48 _(file-prefix) \
49 _(vdev) \
50 _(log-level)
51 
52 static inline void
54 {
55  if (!(xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP))
56  return;
57  int len;
58  if ((len = rte_eth_xstats_get (xd->port_id, NULL, 0)) > 0)
59  {
60  vec_validate (xd->xstats, len - 1);
61  vec_validate (xd->last_cleared_xstats, len - 1);
62 
63  len =
64  rte_eth_xstats_get (xd->port_id, xd->xstats, vec_len (xd->xstats));
65 
66  ASSERT (vec_len (xd->xstats) == len);
67  ASSERT (vec_len (xd->last_cleared_xstats) == len);
68 
69  _vec_len (xd->xstats) = len;
70  _vec_len (xd->last_cleared_xstats) = len;
71 
72  }
73 }
74 
75 
76 static inline void
78 {
80  vnet_main_t *vnm = vnet_get_main ();
81  u32 thread_index = vlib_get_thread_index ();
82  u64 rxerrors, last_rxerrors;
83 
84  /* only update counters for PMD interfaces */
85  if ((xd->flags & DPDK_DEVICE_FLAG_PMD) == 0)
86  return;
87 
88  xd->time_last_stats_update = now ? now : xd->time_last_stats_update;
89  clib_memcpy_fast (&xd->last_stats, &xd->stats, sizeof (xd->last_stats));
90  rte_eth_stats_get (xd->port_id, &xd->stats);
91 
92  /* maybe bump interface rx no buffer counter */
93  if (PREDICT_FALSE (xd->stats.rx_nombuf != xd->last_stats.rx_nombuf))
94  {
97 
98  vlib_increment_simple_counter (cm, thread_index, xd->sw_if_index,
99  xd->stats.rx_nombuf -
100  xd->last_stats.rx_nombuf);
101  }
102 
103  /* missed pkt counter */
104  if (PREDICT_FALSE (xd->stats.imissed != xd->last_stats.imissed))
105  {
108 
109  vlib_increment_simple_counter (cm, thread_index, xd->sw_if_index,
110  xd->stats.imissed -
111  xd->last_stats.imissed);
112  }
113  rxerrors = xd->stats.ierrors;
114  last_rxerrors = xd->last_stats.ierrors;
115 
116  if (PREDICT_FALSE (rxerrors != last_rxerrors))
117  {
120 
121  vlib_increment_simple_counter (cm, thread_index, xd->sw_if_index,
122  rxerrors - last_rxerrors);
123  }
124 
125  dpdk_get_xstats (xd);
126 }
127 
128 /*
129  * fd.io coding-style-patch-verification: ON
130  *
131  * Local Variables:
132  * eval: (c-set-style "gnu")
133  * End:
134  */
#define vec_validate(V, I)
Make sure vector is long enough for given index (no header, unspecified alignment) ...
Definition: vec.h:439
vnet_main_t * vnet_get_main(void)
Definition: misc.c:47
struct rte_eth_stats last_stats
Definition: dpdk.h:258
vnet_interface_main_t interface_main
Definition: vnet.h:56
unsigned long u64
Definition: types.h:89
u32 sw_if_index
Definition: dpdk.h:206
#define clib_memcpy_fast(a, b, c)
Definition: string.h:81
#define NULL
Definition: clib.h:58
u16 flags
Definition: dpdk.h:214
static void vlib_increment_simple_counter(vlib_simple_counter_main_t *cm, u32 thread_index, u32 index, u64 increment)
Increment a simple counter.
Definition: counter.h:78
struct rte_eth_xstat * last_cleared_xstats
Definition: dpdk.h:261
double f64
Definition: types.h:142
struct rte_eth_stats stats
Definition: dpdk.h:257
dpdk_portid_t port_id
Definition: dpdk.h:203
#define vec_elt_at_index(v, i)
Get vector value at index i checking that i is in bounds.
unsigned int u32
Definition: types.h:88
A collection of simple counters.
Definition: counter.h:57
static void dpdk_get_xstats(dpdk_device_t *xd)
Definition: dpdk_priv.h:53
f64 time_last_stats_update
Definition: dpdk.h:262
#define PREDICT_FALSE(x)
Definition: clib.h:111
vlib_simple_counter_main_t * sw_if_counters
Definition: interface.h:823
u8 len
Definition: ip_types.api:49
static_always_inline uword vlib_get_thread_index(void)
Definition: threads.h:212
static void dpdk_update_counters(dpdk_device_t *xd, f64 now)
Definition: dpdk_priv.h:77
struct rte_eth_xstat * xstats
Definition: dpdk.h:260
#define ASSERT(truth)
#define vec_len(v)
Number of elements in vector (rvalue-only, NULL tolerant)