Neale Ranns | 17ff3c1 | 2018-07-04 10:24:24 -0700 | [diff] [blame] | 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 <vnet/vnet.h> |
| 19 | #include <vlibmemory/api.h> |
| 20 | |
| 21 | #include <vnet/devices/pipe/pipe.h> |
| 22 | #include <vnet/vnet_msg_enum.h> |
| 23 | |
| 24 | #define vl_typedefs /* define message structures */ |
| 25 | #include <vnet/vnet_all_api_h.h> |
| 26 | #undef vl_typedefs |
| 27 | |
| 28 | #define vl_endianfun /* define message structures */ |
| 29 | #include <vnet/vnet_all_api_h.h> |
| 30 | #undef vl_endianfun |
| 31 | |
| 32 | /* instantiate all the print functions we know about */ |
| 33 | #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__) |
| 34 | #define vl_printfun |
| 35 | #include <vnet/vnet_all_api_h.h> |
| 36 | #undef vl_printfun |
| 37 | |
| 38 | #include <vlibapi/api_helper_macros.h> |
| 39 | vpe_api_main_t vpe_api_main; |
| 40 | |
| 41 | #define foreach_vpe_api_msg \ |
| 42 | _(PIPE_CREATE, pipe_create) \ |
| 43 | _(PIPE_DELETE, pipe_delete) \ |
| 44 | _(PIPE_DUMP, pipe_dump) |
| 45 | |
| 46 | static void |
| 47 | vl_api_pipe_create_t_handler (vl_api_pipe_create_t * mp) |
| 48 | { |
| 49 | vl_api_pipe_create_reply_t *rmp; |
| 50 | u32 parent_sw_if_index; |
| 51 | u32 pipe_sw_if_index[2]; |
| 52 | int rv; |
| 53 | u8 is_specified = mp->is_specified; |
| 54 | u32 user_instance = ntohl (mp->user_instance); |
| 55 | |
| 56 | rv = vnet_create_pipe_interface (is_specified, user_instance, |
| 57 | &parent_sw_if_index, pipe_sw_if_index); |
| 58 | |
| 59 | /* *INDENT-OFF* */ |
| 60 | REPLY_MACRO2(VL_API_PIPE_CREATE_REPLY, |
| 61 | ({ |
Neale Ranns | 208c29a | 2018-04-11 08:08:30 -0700 | [diff] [blame^] | 62 | rmp->sw_if_index = ntohl (parent_sw_if_index); |
Neale Ranns | 17ff3c1 | 2018-07-04 10:24:24 -0700 | [diff] [blame] | 63 | rmp->pipe_sw_if_index[0] = ntohl (pipe_sw_if_index[0]); |
| 64 | rmp->pipe_sw_if_index[1] = ntohl (pipe_sw_if_index[1]); |
| 65 | })); |
| 66 | /* *INDENT-ON* */ |
| 67 | } |
| 68 | |
| 69 | static void |
| 70 | vl_api_pipe_delete_t_handler (vl_api_pipe_delete_t * mp) |
| 71 | { |
| 72 | vl_api_pipe_delete_reply_t *rmp; |
| 73 | int rv; |
| 74 | |
Neale Ranns | 208c29a | 2018-04-11 08:08:30 -0700 | [diff] [blame^] | 75 | rv = vnet_delete_pipe_interface (ntohl (mp->sw_if_index)); |
Neale Ranns | 17ff3c1 | 2018-07-04 10:24:24 -0700 | [diff] [blame] | 76 | |
| 77 | REPLY_MACRO (VL_API_PIPE_DELETE_REPLY); |
| 78 | } |
| 79 | |
| 80 | typedef struct pipe_dump_walk_t_ |
| 81 | { |
| 82 | vl_api_registration_t *reg; |
| 83 | u32 context; |
| 84 | } pipe_dump_walk_t; |
| 85 | |
| 86 | static walk_rc_t |
| 87 | pipe_send_details (u32 parent_sw_if_index, |
| 88 | u32 pipe_sw_if_index[2], u32 instance, void *args) |
| 89 | { |
| 90 | pipe_dump_walk_t *ctx = args; |
| 91 | vl_api_pipe_details_t *mp; |
| 92 | |
| 93 | mp = vl_msg_api_alloc (sizeof (*mp)); |
| 94 | if (!mp) |
| 95 | return (WALK_STOP); |
| 96 | |
| 97 | mp->_vl_msg_id = ntohs (VL_API_PIPE_DETAILS); |
| 98 | mp->context = ctx->context; |
| 99 | |
| 100 | mp->instance = ntohl (instance); |
Neale Ranns | 208c29a | 2018-04-11 08:08:30 -0700 | [diff] [blame^] | 101 | mp->sw_if_index = ntohl (parent_sw_if_index); |
Neale Ranns | 17ff3c1 | 2018-07-04 10:24:24 -0700 | [diff] [blame] | 102 | mp->pipe_sw_if_index[0] = ntohl (pipe_sw_if_index[0]); |
| 103 | mp->pipe_sw_if_index[1] = ntohl (pipe_sw_if_index[1]); |
| 104 | |
| 105 | vl_api_send_msg (ctx->reg, (u8 *) mp); |
| 106 | |
| 107 | return (WALK_CONTINUE); |
| 108 | } |
| 109 | |
| 110 | static void |
| 111 | vl_api_pipe_dump_t_handler (vl_api_pipe_dump_t * mp) |
| 112 | { |
| 113 | vl_api_registration_t *reg; |
| 114 | |
| 115 | reg = vl_api_client_index_to_registration (mp->client_index); |
| 116 | if (!reg) |
| 117 | return; |
| 118 | |
| 119 | pipe_dump_walk_t ctx = { |
| 120 | .reg = reg, |
| 121 | .context = mp->context, |
| 122 | }; |
| 123 | |
| 124 | pipe_walk (pipe_send_details, &ctx); |
| 125 | } |
| 126 | |
| 127 | /* |
| 128 | * vpe_api_hookup |
| 129 | * Add vpe's API message handlers to the table. |
| 130 | * vlib has alread mapped shared memory and |
| 131 | * added the client registration handlers. |
| 132 | * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process() |
| 133 | */ |
| 134 | #define vl_msg_name_crc_list |
| 135 | #include <vnet/devices/pipe/pipe.api.h> |
| 136 | #undef vl_msg_name_crc_list |
| 137 | |
| 138 | static void |
| 139 | setup_message_id_table (api_main_t * am) |
| 140 | { |
| 141 | #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id); |
| 142 | foreach_vl_msg_name_crc_pipe; |
| 143 | #undef _ |
| 144 | } |
| 145 | |
| 146 | static clib_error_t * |
| 147 | pipe_api_hookup (vlib_main_t * vm) |
| 148 | { |
| 149 | api_main_t *am = &api_main; |
| 150 | |
| 151 | #define _(N,n) \ |
| 152 | vl_msg_api_set_handlers(VL_API_##N, #n, \ |
| 153 | vl_api_##n##_t_handler, \ |
| 154 | vl_noop_handler, \ |
| 155 | vl_api_##n##_t_endian, \ |
| 156 | vl_api_##n##_t_print, \ |
| 157 | sizeof(vl_api_##n##_t), 1); |
| 158 | foreach_vpe_api_msg; |
| 159 | #undef _ |
| 160 | |
| 161 | /* |
| 162 | * Set up the (msg_name, crc, message-id) table |
| 163 | */ |
| 164 | setup_message_id_table (am); |
| 165 | |
| 166 | return 0; |
| 167 | } |
| 168 | |
| 169 | VLIB_API_INIT_FUNCTION (pipe_api_hookup); |
| 170 | |
| 171 | /* |
| 172 | * fd.io coding-style-patch-verification: ON |
| 173 | * |
| 174 | * Local Variables: |
| 175 | * eval: (c-set-style "gnu") |
| 176 | * End: |
| 177 | */ |