2 *------------------------------------------------------------------
3 * pg_api.c - vnet pg api
5 * Copyright (c) 2016 Cisco and/or its affiliates.
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at:
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 *------------------------------------------------------------------
20 #include <vnet/vnet.h>
21 #include <vlibmemory/api.h>
23 #include <vnet/pg/pg.h>
25 #include <vnet/vnet_msg_enum.h>
27 #define vl_typedefs /* define message structures */
28 #include <vnet/vnet_all_api_h.h>
31 #define vl_endianfun /* define message structures */
32 #include <vnet/vnet_all_api_h.h>
35 /* instantiate all the print functions we know about */
36 #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
38 #include <vnet/vnet_all_api_h.h>
41 #include <vlibapi/api_helper_macros.h>
44 #define foreach_pg_api_msg \
45 _(PG_CREATE_INTERFACE, pg_create_interface) \
46 _(PG_CAPTURE, pg_capture) \
47 _(PG_ENABLE_DISABLE, pg_enable_disable) \
48 _(PG_INTERFACE_ENABLE_DISABLE_COALESCE, pg_interface_enable_disable_coalesce)
51 vl_api_pg_create_interface_t_handler (vl_api_pg_create_interface_t * mp)
53 vl_api_pg_create_interface_reply_t *rmp;
56 pg_main_t *pg = &pg_main;
57 u32 pg_if_id = pg_interface_add_or_get (pg, ntohl (mp->interface_id),
59 ntohl (mp->gso_size), 0);
60 pg_interface_t *pi = pool_elt_at_index (pg->interfaces, pg_if_id);
63 REPLY_MACRO2(VL_API_PG_CREATE_INTERFACE_REPLY,
65 rmp->sw_if_index = ntohl(pi->sw_if_index);
71 vl_api_pg_interface_enable_disable_coalesce_t_handler
72 (vl_api_pg_interface_enable_disable_coalesce_t * mp)
74 vl_api_pg_interface_enable_disable_coalesce_reply_t *rmp;
77 VALIDATE_SW_IF_INDEX (mp);
79 u32 sw_if_index = ntohl (mp->sw_if_index);
81 pg_main_t *pg = &pg_main;
82 vnet_main_t *vnm = vnet_get_main ();
83 vnet_hw_interface_t *hw =
84 vnet_get_sup_hw_interface_api_visible_or_null (vnm, sw_if_index);
89 pool_elt_at_index (pg->interfaces, hw->dev_instance);
91 pg_interface_enable_disable_coalesce (pi, mp->coalesce_enabled,
94 rv = VNET_API_ERROR_CANNOT_ENABLE_DISABLE_FEATURE;
98 rv = VNET_API_ERROR_NO_MATCHING_INTERFACE;
101 BAD_SW_IF_INDEX_LABEL;
102 REPLY_MACRO (VL_API_PG_INTERFACE_ENABLE_DISABLE_COALESCE_REPLY);
106 vl_api_pg_capture_t_handler (vl_api_pg_capture_t * mp)
108 vl_api_pg_capture_reply_t *rmp;
111 vnet_main_t *vnm = vnet_get_main ();
112 vnet_interface_main_t *im = &vnm->interface_main;
113 vnet_hw_interface_t *hi = 0;
115 u8 *intf_name = format (0, "pg%d", ntohl (mp->interface_id), 0);
116 vec_terminate_c_string (intf_name);
117 u32 hw_if_index = ~0;
118 uword *p = hash_get_mem (im->hw_interface_by_name, intf_name);
121 vec_free (intf_name);
123 if (hw_if_index != ~0)
125 pg_capture_args_t _a, *a = &_a;
126 char *pcap_file_name =
127 vl_api_from_api_to_new_c_string (&mp->pcap_file_name);
129 hi = vnet_get_sup_hw_interface (vnm, hw_if_index);
130 a->hw_if_index = hw_if_index;
131 a->dev_instance = hi->dev_instance;
132 a->is_enabled = mp->is_enabled;
133 a->pcap_file_name = pcap_file_name;
134 a->count = ntohl (mp->count);
136 clib_error_t *e = pg_capture (a);
139 clib_error_report (e);
140 rv = VNET_API_ERROR_CANNOT_CREATE_PCAP_FILE;
143 vec_free (pcap_file_name);
145 REPLY_MACRO (VL_API_PG_CAPTURE_REPLY);
149 vl_api_pg_enable_disable_t_handler (vl_api_pg_enable_disable_t * mp)
151 vl_api_pg_enable_disable_reply_t *rmp;
154 pg_main_t *pg = &pg_main;
155 u32 stream_index = ~0;
157 int is_enable = mp->is_enabled != 0;
159 if (vl_api_string_len (&mp->stream_name) > 0)
161 u8 *stream_name = vl_api_from_api_to_new_vec (mp, &mp->stream_name);
162 uword *p = hash_get_mem (pg->stream_index_by_name, stream_name);
165 vec_free (stream_name);
168 pg_enable_disable (stream_index, is_enable);
170 REPLY_MACRO (VL_API_PG_ENABLE_DISABLE_REPLY);
173 #define vl_msg_name_crc_list
174 #include <vnet/pg/pg.api.h>
175 #undef vl_msg_name_crc_list
178 setup_message_id_table (api_main_t * am)
180 #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
181 foreach_vl_msg_name_crc_pg;
185 static clib_error_t *
186 pg_api_hookup (vlib_main_t * vm)
188 api_main_t *am = vlibapi_get_main ();
191 vl_msg_api_set_handlers(VL_API_##N, #n, \
192 vl_api_##n##_t_handler, \
194 vl_api_##n##_t_endian, \
195 vl_api_##n##_t_print, \
196 sizeof(vl_api_##n##_t), 1);
201 * Set up the (msg_name, crc, message-id) table
203 setup_message_id_table (am);
208 VLIB_API_INIT_FUNCTION (pg_api_hookup);
211 * fd.io coding-style-patch-verification: ON
214 * eval: (c-set-style "gnu")