aboutsummaryrefslogtreecommitdiffstats
path: root/src/plugins/avf/avf_api.c
blob: 3503177837fa78cfae321c3fd35fccd5f546d7fe (plain)
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
/*
 *------------------------------------------------------------------
 * Copyright (c) 2018 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.
 *------------------------------------------------------------------
 */

#include <vlib/vlib.h>
#include <vlib/unix/unix.h>
#include <vlib/pci/pci.h>
#include <vnet/ethernet/ethernet.h>

#include <avf/avf.h>

#include <vlibapi/api.h>
#include <vlibmemory/api.h>

/* define message IDs */
#include <avf/avf_msg_enum.h>

/* define message structures */
#define vl_typedefs
#include <avf/avf_all_api_h.h>
#undef vl_typedefs

/* define generated endian-swappers */
#define vl_endianfun
#include <avf/avf_all_api_h.h>
#undef vl_endianfun

/* instantiate all the print functions we know about */
#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
#define vl_printfun
#include <avf/avf_all_api_h.h>
#undef vl_printfun

/* get the API version number */
#define vl_api_version(n,v) static u32 api_version=(v);
#include <avf/avf_all_api_h.h>
#undef vl_api_version

#include <vlibapi/api_helper_macros.h>

#define foreach_avf_plugin_api_msg	\
_(AVF_CREATE, avf_create)		\
_(AVF_DELETE, avf_delete)

static void
vl_api_avf_create_t_handler (vl_api_avf_create_t * mp)
{
  vlib_main_t *vm = vlib_get_main ();
  avf_main_t *am = &avf_main;
  vl_api_avf_create_reply_t *rmp;
  avf_create_if_args_t args;
  int rv;

  clib_memset (&args, 0, sizeof (avf_create_if_args_t));

  args.enable_elog = ntohl (mp->enable_elog);
  args.addr.as_u32 = ntohl (mp->pci_addr);
  args.rxq_num = ntohs (mp->rxq_num);
  args.rxq_size = ntohs (mp->rxq_size);
  args.txq_size = ntohs (mp->txq_size);

  avf_create_if (vm, &args);
  rv = args.rv;

  /* *INDENT-OFF* */
  REPLY_MACRO2 (VL_API_AVF_CREATE_REPLY + am->msg_id_base,
    ({
      rmp->sw_if_index = ntohl (args.sw_if_index);
    }));
  /* *INDENT-ON* */
}

static void
vl_api_avf_delete_t_handler (vl_api_avf_delete_t * mp)
{
  vlib_main_t *vm = vlib_get_main ();
  vnet_main_t *vnm = vnet_get_main ();
  avf_main_t *am = &avf_main;
  vl_api_avf_delete_reply_t *rmp;
  avf_device_t *ad;
  vnet_hw_interface_t *hw;
  int rv = 0;

  hw = vnet_get_sup_hw_interface (vnm, htonl (mp->sw_if_index));
  if (hw == NULL || avf_device_class.index != hw->dev_class_index)
    {
      rv = VNET_API_ERROR_INVALID_INTERFACE;
      goto reply;
    }

  ad = pool_elt_at_index (am->devices, hw->dev_instance);

  avf_delete_if (vm, ad);

reply:
  REPLY_MACRO (VL_API_AVF_DELETE_REPLY + am->msg_id_base);
}

#define vl_msg_name_crc_list
#include <avf/avf_all_api_h.h>
#undef vl_msg_name_crc_list

static void
setup_message_id_table (avf_main_t * avm, api_main_t * am)
{
#define _(id,n,crc) \
  vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id + avm->msg_id_base);
  foreach_vl_msg_name_crc_avf;
#undef _
}

/* set tup the API message handling tables */
static clib_error_t *
avf_plugin_api_hookup (vlib_main_t * vm)
{
  avf_main_t *avm = &avf_main;
  api_main_t *am = &api_main;
  u8 *name;

  /* construct the API name */
  name = format (0, "avf_%08x%c", api_version, 0);

  /* ask for a correctly-sized block of API message decode slots */
  avm->msg_id_base = vl_msg_api_get_msg_ids
    ((char *) name, VL_MSG_FIRST_AVAILABLE);

#define _(N,n)							\
    vl_msg_api_set_handlers((VL_API_##N + avm->msg_id_base),	\
			   #n,					\
			   vl_api_##n##_t_handler,		\
			   vl_noop_handler,			\
			   vl_api_##n##_t_endian,		\
			   vl_api_##n##_t_print,		\
			   sizeof(vl_api_##n##_t), 1);
  foreach_avf_plugin_api_msg;
#undef _

  /* set up the (msg_name, crc, message-id) table */
  setup_message_id_table (avm, am);

  vec_free (name);
  return 0;
}

VLIB_API_INIT_FUNCTION (avf_plugin_api_hookup);

/*
 * fd.io coding-style-patch-verification: ON
 *
 * Local Variables:
 * eval: (c-set-style "gnu")
 * End:
 */