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Vector Packet Processing
format.c
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1 /*
2  *------------------------------------------------------------------
3  * Copyright (c) 2018 Cisco and/or its affiliates.
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at:
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  *------------------------------------------------------------------
16  */
17 
18 #include <vlib/vlib.h>
19 #include <vlib/unix/unix.h>
20 #include <vlib/pci/pci.h>
21 #include <vnet/ethernet/ethernet.h>
22 
23 #include <avf/avf.h>
24 
25 u8 *
26 format_avf_device_name (u8 * s, va_list * args)
27 {
29  u32 i = va_arg (*args, u32);
30  avf_main_t *am = &avf_main;
31  avf_device_t *ad = vec_elt_at_index (am->devices, i);
32  vlib_pci_addr_t *addr = vlib_pci_get_addr (vm, ad->pci_dev_handle);
33 
34  if (ad->name)
35  return format (s, "%s", ad->name);
36 
37  s = format (s, "avf-%x/%x/%x/%x",
38  addr->domain, addr->bus, addr->slot, addr->function);
39  return s;
40 }
41 
42 u8 *
43 format_avf_device_flags (u8 * s, va_list * args)
44 {
45  avf_device_t *ad = va_arg (*args, avf_device_t *);
46  u8 *t = 0;
47 
48 #define _(a, b, c) if (ad->flags & (1 << a)) \
49 t = format (t, "%s%s", t ? " ":"", c);
51 #undef _
52  s = format (s, "%v", t);
53  vec_free (t);
54  return s;
55 }
56 
57 u8 *
58 format_avf_vf_cap_flags (u8 * s, va_list * args)
59 {
60  u32 flags = va_arg (*args, u32);
61  u8 *t = 0;
62 
63 #define _(a, b, c) if (flags & (1 << a)) \
64  t = format (t, "%s%s", t ? " ":"", c);
66 #undef _
67  s = format (s, "%v", t);
68  vec_free (t);
69  return s;
70 }
71 
72 static u8 *
73 format_virtchnl_link_speed (u8 * s, va_list * args)
74 {
75  virtchnl_link_speed_t speed = va_arg (*args, virtchnl_link_speed_t);
76 
77  if (speed == 0)
78  return format (s, "unknown");
79 #define _(a, b, c) \
80  else if (speed == VIRTCHNL_LINK_SPEED_##b) \
81  return format (s, c);
83 #undef _
84  return s;
85 }
86 
87 u8 *
88 format_avf_device (u8 * s, va_list * args)
89 {
90  u32 i = va_arg (*args, u32);
91  avf_main_t *am = &avf_main;
92  avf_device_t *ad = vec_elt_at_index (am->devices, i);
93  u32 indent = format_get_indent (s);
94  u8 *a = 0;
95 
96  s = format (s, "flags: %U", format_avf_device_flags, ad);
97  s = format (s, "\n%Uoffload features: %U", format_white_space, indent,
99 
100  s = format (s, "\n%Unum-queue-pairs %d max-vectors %u max-mtu %u "
101  "rss-key-size %u rss-lut-size %u", format_white_space, indent,
102  ad->num_queue_pairs, ad->max_vectors, ad->max_mtu,
103  ad->rss_key_size, ad->rss_lut_size);
104  s = format (s, "\n%Uspeed %U", format_white_space, indent,
106  if (ad->error)
107  s = format (s, "\n%Uerror %U", format_white_space, indent,
108  format_clib_error, ad->error);
109 
110 #define _(c) if (ad->eth_stats.c - ad->last_cleared_eth_stats.c) \
111  a = format (a, "\n%U%-20U %u", format_white_space, indent + 2, \
112  format_c_identifier, #c, \
113  ad->eth_stats.c - ad->last_cleared_eth_stats.c);
115 #undef _
116  if (a)
117  s = format (s, "\n%Ustats:%v", format_white_space, indent, a);
118 
119  vec_free (a);
120  return s;
121 }
122 
123 u8 *
124 format_avf_input_trace (u8 * s, va_list * args)
125 {
126  vlib_main_t *vm = va_arg (*args, vlib_main_t *);
127  vlib_node_t *node = va_arg (*args, vlib_node_t *);
128  avf_input_trace_t *t = va_arg (*args, avf_input_trace_t *);
129  vnet_main_t *vnm = vnet_get_main ();
131  u32 indent = format_get_indent (s);
132  int i = 0;
133 
134  s = format (s, "avf: %v (%d) next-node %U",
136  node->index, t->next_index);
137 
138  do
139  {
140  s = format (s, "\n%Udesc %u: status 0x%x error 0x%x ptype 0x%x len %u",
141  format_white_space, indent + 2, i,
142  t->qw1s[i] & pow2_mask (19),
143  (t->qw1s[i] >> AVF_RXD_ERROR_SHIFT) & pow2_mask (8),
144  (t->qw1s[i] >> AVF_RXD_PTYPE_SHIFT) & pow2_mask (8),
145  (t->qw1s[i] >> AVF_RXD_LEN_SHIFT));
146  }
147  while ((t->qw1s[i++] & AVF_RXD_STATUS_EOP) == 0 &&
149 
150  return s;
151 }
152 
153 /*
154  * fd.io coding-style-patch-verification: ON
155  *
156  * Local Variables:
157  * eval: (c-set-style "gnu")
158  * End:
159  */
vmrglw vmrglh hi
u8 * format_clib_error(u8 *s, va_list *va)
Definition: error.c:191
u32 flags
Definition: vhost_user.h:115
#define AVF_RXD_ERROR_SHIFT
Definition: avf.h:31
a
Definition: bitmap.h:538
u8 * format_avf_device_name(u8 *s, va_list *args)
Definition: format.c:26
u8 * format_avf_input_trace(u8 *s, va_list *args)
Definition: format.c:124
vnet_main_t * vnet_get_main(void)
Definition: misc.c:47
clib_error_t * error
Definition: avf.h:170
u32 index
Definition: node.h:279
#define foreach_virtchnl_eth_stats
Definition: virtchnl.h:350
virtchnl_link_speed_t link_speed
Definition: avf.h:163
static vnet_hw_interface_t * vnet_get_hw_interface(vnet_main_t *vnm, u32 hw_if_index)
int i
static u32 format_get_indent(u8 *s)
Definition: format.h:72
u8 * format(u8 *s, const char *fmt,...)
Definition: format.c:424
u8 * format_avf_vf_cap_flags(u8 *s, va_list *args)
Definition: format.c:58
virtchnl_link_speed_t
Definition: virtchnl.h:198
u32 next_index
Definition: avf.h:307
avf_device_t * devices
Definition: avf.h:201
vhost_vring_addr_t addr
Definition: vhost_user.h:121
unsigned char u8
Definition: types.h:56
static uword pow2_mask(uword x)
Definition: clib.h:220
u8 * format_white_space(u8 *s, va_list *va)
Definition: std-formats.c:113
#define vec_elt_at_index(v, i)
Get vector value at index i checking that i is in bounds.
u64 qw1s[AVF_RX_MAX_DESC_IN_CHAIN]
Definition: avf.h:309
u8 * format_avf_device_flags(u8 *s, va_list *args)
Definition: format.c:43
format_function_t format_vlib_next_node_name
Definition: node_funcs.h:1172
unsigned int u32
Definition: types.h:88
vlib_pci_dev_handle_t pci_dev_handle
Definition: avf.h:133
u32 hw_if_index
Definition: avf.h:308
u8 * name
Definition: avf.h:136
#define AVF_RXD_LEN_SHIFT
Definition: avf.h:33
#define AVF_RXD_STATUS_EOP
Definition: avf.h:30
u8 * format_avf_device(u8 *s, va_list *args)
Definition: format.c:88
vlib_main_t * vm
Definition: buffer.c:312
#define vec_free(V)
Free vector&#39;s memory (no header).
Definition: vec.h:341
vlib_pci_addr_t * vlib_pci_get_addr(vlib_main_t *vm, vlib_pci_dev_handle_t h)
Definition: pci.c:163
u32 feature_bitmap
Definition: avf.h:156
#define AVF_RXD_PTYPE_SHIFT
Definition: avf.h:32
avf_main_t avf_main
Definition: device.c:37
static vlib_main_t * vlib_get_main(void)
Definition: global_funcs.h:23
u16 num_queue_pairs
Definition: avf.h:158
u32 rss_lut_size
Definition: avf.h:162
#define AVF_RX_MAX_DESC_IN_CHAIN
Definition: avf.h:34
static u8 * format_virtchnl_link_speed(u8 *s, va_list *args)
Definition: format.c:73
u16 max_vectors
Definition: avf.h:159
u32 rss_key_size
Definition: avf.h:161
u16 max_mtu
Definition: avf.h:160