Pavel Kotucek | adb13d6 | 2016-12-19 14:35:35 +0100 | [diff] [blame] | 1 | /* |
| 2 | *------------------------------------------------------------------ |
| 3 | * vxlan_api.c - vxlan api |
| 4 | * |
| 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: |
| 9 | * |
| 10 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | * |
| 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 | *------------------------------------------------------------------ |
| 18 | */ |
| 19 | |
| 20 | #include <vnet/vnet.h> |
| 21 | #include <vlibmemory/api.h> |
| 22 | |
| 23 | #include <vnet/interface.h> |
| 24 | #include <vnet/api_errno.h> |
| 25 | #include <vnet/feature/feature.h> |
| 26 | #include <vnet/vxlan/vxlan.h> |
| 27 | #include <vnet/fib/fib_table.h> |
| 28 | |
| 29 | #include <vnet/vnet_msg_enum.h> |
| 30 | |
| 31 | #define vl_typedefs /* define message structures */ |
| 32 | #include <vnet/vnet_all_api_h.h> |
| 33 | #undef vl_typedefs |
| 34 | |
| 35 | #define vl_endianfun /* define message structures */ |
| 36 | #include <vnet/vnet_all_api_h.h> |
| 37 | #undef vl_endianfun |
| 38 | |
| 39 | /* instantiate all the print functions we know about */ |
| 40 | #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__) |
| 41 | #define vl_printfun |
| 42 | #include <vnet/vnet_all_api_h.h> |
| 43 | #undef vl_printfun |
| 44 | |
| 45 | #include <vlibapi/api_helper_macros.h> |
| 46 | |
| 47 | #define foreach_vpe_api_msg \ |
| 48 | _(SW_INTERFACE_SET_VXLAN_BYPASS, sw_interface_set_vxlan_bypass) \ |
| 49 | _(VXLAN_ADD_DEL_TUNNEL, vxlan_add_del_tunnel) \ |
| 50 | _(VXLAN_TUNNEL_DUMP, vxlan_tunnel_dump) |
| 51 | |
| 52 | static void |
| 53 | vl_api_sw_interface_set_vxlan_bypass_t_handler |
| 54 | (vl_api_sw_interface_set_vxlan_bypass_t * mp) |
| 55 | { |
| 56 | vl_api_sw_interface_set_vxlan_bypass_reply_t *rmp; |
| 57 | int rv = 0; |
| 58 | u32 sw_if_index = ntohl (mp->sw_if_index); |
| 59 | |
| 60 | VALIDATE_SW_IF_INDEX (mp); |
| 61 | |
John Lo | 2b81eb8 | 2017-01-30 13:12:10 -0500 | [diff] [blame] | 62 | vnet_int_vxlan_bypass_mode (sw_if_index, mp->is_ipv6, mp->enable); |
Pavel Kotucek | adb13d6 | 2016-12-19 14:35:35 +0100 | [diff] [blame] | 63 | BAD_SW_IF_INDEX_LABEL; |
| 64 | |
| 65 | REPLY_MACRO (VL_API_SW_INTERFACE_SET_VXLAN_BYPASS_REPLY); |
| 66 | } |
| 67 | |
| 68 | static void vl_api_vxlan_add_del_tunnel_t_handler |
| 69 | (vl_api_vxlan_add_del_tunnel_t * mp) |
| 70 | { |
| 71 | vl_api_vxlan_add_del_tunnel_reply_t *rmp; |
| 72 | int rv = 0; |
Jon Loeliger | 2b9453c | 2018-02-01 12:10:40 -0600 | [diff] [blame] | 73 | u32 fib_index; |
Pavel Kotucek | adb13d6 | 2016-12-19 14:35:35 +0100 | [diff] [blame] | 74 | |
Jon Loeliger | 2b9453c | 2018-02-01 12:10:40 -0600 | [diff] [blame] | 75 | fib_index = fib_table_find (fib_ip_proto (mp->is_ipv6), |
| 76 | ntohl (mp->encap_vrf_id)); |
| 77 | if (fib_index == ~0) |
Pavel Kotucek | adb13d6 | 2016-12-19 14:35:35 +0100 | [diff] [blame] | 78 | { |
| 79 | rv = VNET_API_ERROR_NO_SUCH_FIB; |
| 80 | goto out; |
| 81 | } |
Pavel Kotucek | adb13d6 | 2016-12-19 14:35:35 +0100 | [diff] [blame] | 82 | |
Eyal Bari | e101e1f | 2017-03-15 08:23:42 +0200 | [diff] [blame] | 83 | vnet_vxlan_add_del_tunnel_args_t a = { |
| 84 | .is_add = mp->is_add, |
| 85 | .is_ip6 = mp->is_ipv6, |
Jon Loeliger | 3d460bd | 2018-02-01 16:36:12 -0600 | [diff] [blame^] | 86 | .instance = ntohl (mp->instance), |
Eyal Bari | e101e1f | 2017-03-15 08:23:42 +0200 | [diff] [blame] | 87 | .mcast_sw_if_index = ntohl (mp->mcast_sw_if_index), |
Jon Loeliger | 2b9453c | 2018-02-01 12:10:40 -0600 | [diff] [blame] | 88 | .encap_fib_index = fib_index, |
Eyal Bari | e101e1f | 2017-03-15 08:23:42 +0200 | [diff] [blame] | 89 | .decap_next_index = ntohl (mp->decap_next_index), |
| 90 | .vni = ntohl (mp->vni), |
| 91 | .dst = to_ip46 (mp->is_ipv6, mp->dst_address), |
| 92 | .src = to_ip46 (mp->is_ipv6, mp->src_address), |
| 93 | }; |
Pavel Kotucek | adb13d6 | 2016-12-19 14:35:35 +0100 | [diff] [blame] | 94 | |
| 95 | /* Check src & dst are different */ |
Eyal Bari | e101e1f | 2017-03-15 08:23:42 +0200 | [diff] [blame] | 96 | if (ip46_address_cmp (&a.dst, &a.src) == 0) |
Pavel Kotucek | adb13d6 | 2016-12-19 14:35:35 +0100 | [diff] [blame] | 97 | { |
| 98 | rv = VNET_API_ERROR_SAME_SRC_DST; |
| 99 | goto out; |
| 100 | } |
Eyal Bari | e101e1f | 2017-03-15 08:23:42 +0200 | [diff] [blame] | 101 | if (ip46_address_is_multicast (&a.dst) && |
| 102 | !vnet_sw_if_index_is_api_valid (a.mcast_sw_if_index)) |
Pavel Kotucek | adb13d6 | 2016-12-19 14:35:35 +0100 | [diff] [blame] | 103 | { |
| 104 | rv = VNET_API_ERROR_INVALID_SW_IF_INDEX; |
| 105 | goto out; |
| 106 | } |
Eyal Bari | e101e1f | 2017-03-15 08:23:42 +0200 | [diff] [blame] | 107 | |
| 108 | u32 sw_if_index = ~0; |
| 109 | rv = vnet_vxlan_add_del_tunnel (&a, &sw_if_index); |
Pavel Kotucek | adb13d6 | 2016-12-19 14:35:35 +0100 | [diff] [blame] | 110 | |
| 111 | out: |
| 112 | /* *INDENT-OFF* */ |
| 113 | REPLY_MACRO2(VL_API_VXLAN_ADD_DEL_TUNNEL_REPLY, |
| 114 | ({ |
| 115 | rmp->sw_if_index = ntohl (sw_if_index); |
| 116 | })); |
| 117 | /* *INDENT-ON* */ |
| 118 | } |
| 119 | |
| 120 | static void send_vxlan_tunnel_details |
Florin Coras | 6c4dae2 | 2018-01-09 06:39:23 -0800 | [diff] [blame] | 121 | (vxlan_tunnel_t * t, vl_api_registration_t * reg, u32 context) |
Pavel Kotucek | adb13d6 | 2016-12-19 14:35:35 +0100 | [diff] [blame] | 122 | { |
| 123 | vl_api_vxlan_tunnel_details_t *rmp; |
| 124 | ip4_main_t *im4 = &ip4_main; |
| 125 | ip6_main_t *im6 = &ip6_main; |
| 126 | u8 is_ipv6 = !ip46_address_is_ip4 (&t->dst); |
| 127 | |
| 128 | rmp = vl_msg_api_alloc (sizeof (*rmp)); |
| 129 | memset (rmp, 0, sizeof (*rmp)); |
| 130 | rmp->_vl_msg_id = ntohs (VL_API_VXLAN_TUNNEL_DETAILS); |
| 131 | if (is_ipv6) |
| 132 | { |
| 133 | memcpy (rmp->src_address, t->src.ip6.as_u8, 16); |
| 134 | memcpy (rmp->dst_address, t->dst.ip6.as_u8, 16); |
| 135 | rmp->encap_vrf_id = htonl (im6->fibs[t->encap_fib_index].ft_table_id); |
| 136 | } |
| 137 | else |
| 138 | { |
| 139 | memcpy (rmp->src_address, t->src.ip4.as_u8, 4); |
| 140 | memcpy (rmp->dst_address, t->dst.ip4.as_u8, 4); |
| 141 | rmp->encap_vrf_id = htonl (im4->fibs[t->encap_fib_index].ft_table_id); |
| 142 | } |
Jon Loeliger | 3d460bd | 2018-02-01 16:36:12 -0600 | [diff] [blame^] | 143 | |
| 144 | rmp->instance = htonl (t->user_instance); |
Pavel Kotucek | adb13d6 | 2016-12-19 14:35:35 +0100 | [diff] [blame] | 145 | rmp->mcast_sw_if_index = htonl (t->mcast_sw_if_index); |
| 146 | rmp->vni = htonl (t->vni); |
| 147 | rmp->decap_next_index = htonl (t->decap_next_index); |
| 148 | rmp->sw_if_index = htonl (t->sw_if_index); |
| 149 | rmp->is_ipv6 = is_ipv6; |
| 150 | rmp->context = context; |
| 151 | |
Florin Coras | 6c4dae2 | 2018-01-09 06:39:23 -0800 | [diff] [blame] | 152 | vl_api_send_msg (reg, (u8 *) rmp); |
Pavel Kotucek | adb13d6 | 2016-12-19 14:35:35 +0100 | [diff] [blame] | 153 | } |
| 154 | |
| 155 | static void vl_api_vxlan_tunnel_dump_t_handler |
| 156 | (vl_api_vxlan_tunnel_dump_t * mp) |
| 157 | { |
Florin Coras | 6c4dae2 | 2018-01-09 06:39:23 -0800 | [diff] [blame] | 158 | vl_api_registration_t *reg; |
Pavel Kotucek | adb13d6 | 2016-12-19 14:35:35 +0100 | [diff] [blame] | 159 | vxlan_main_t *vxm = &vxlan_main; |
| 160 | vxlan_tunnel_t *t; |
| 161 | u32 sw_if_index; |
| 162 | |
Florin Coras | 6c4dae2 | 2018-01-09 06:39:23 -0800 | [diff] [blame] | 163 | reg = vl_api_client_index_to_registration (mp->client_index); |
| 164 | if (!reg) |
| 165 | return; |
Pavel Kotucek | adb13d6 | 2016-12-19 14:35:35 +0100 | [diff] [blame] | 166 | |
| 167 | sw_if_index = ntohl (mp->sw_if_index); |
| 168 | |
| 169 | if (~0 == sw_if_index) |
| 170 | { |
| 171 | /* *INDENT-OFF* */ |
| 172 | pool_foreach (t, vxm->tunnels, |
| 173 | ({ |
Florin Coras | 6c4dae2 | 2018-01-09 06:39:23 -0800 | [diff] [blame] | 174 | send_vxlan_tunnel_details(t, reg, mp->context); |
Pavel Kotucek | adb13d6 | 2016-12-19 14:35:35 +0100 | [diff] [blame] | 175 | })); |
| 176 | /* *INDENT-ON* */ |
| 177 | } |
| 178 | else |
| 179 | { |
| 180 | if ((sw_if_index >= vec_len (vxm->tunnel_index_by_sw_if_index)) || |
| 181 | (~0 == vxm->tunnel_index_by_sw_if_index[sw_if_index])) |
| 182 | { |
| 183 | return; |
| 184 | } |
| 185 | t = &vxm->tunnels[vxm->tunnel_index_by_sw_if_index[sw_if_index]]; |
Florin Coras | 6c4dae2 | 2018-01-09 06:39:23 -0800 | [diff] [blame] | 186 | send_vxlan_tunnel_details (t, reg, mp->context); |
Pavel Kotucek | adb13d6 | 2016-12-19 14:35:35 +0100 | [diff] [blame] | 187 | } |
| 188 | } |
| 189 | |
| 190 | /* |
| 191 | * vpe_api_hookup |
| 192 | * Add vpe's API message handlers to the table. |
| 193 | * vlib has alread mapped shared memory and |
| 194 | * added the client registration handlers. |
| 195 | * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process() |
| 196 | */ |
| 197 | #define vl_msg_name_crc_list |
| 198 | #include <vnet/vnet_all_api_h.h> |
| 199 | #undef vl_msg_name_crc_list |
| 200 | |
| 201 | static void |
| 202 | setup_message_id_table (api_main_t * am) |
| 203 | { |
| 204 | #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id); |
| 205 | foreach_vl_msg_name_crc_vxlan; |
| 206 | #undef _ |
| 207 | } |
| 208 | |
| 209 | static clib_error_t * |
| 210 | vxlan_api_hookup (vlib_main_t * vm) |
| 211 | { |
| 212 | api_main_t *am = &api_main; |
| 213 | |
| 214 | #define _(N,n) \ |
| 215 | vl_msg_api_set_handlers(VL_API_##N, #n, \ |
| 216 | vl_api_##n##_t_handler, \ |
| 217 | vl_noop_handler, \ |
| 218 | vl_api_##n##_t_endian, \ |
| 219 | vl_api_##n##_t_print, \ |
| 220 | sizeof(vl_api_##n##_t), 1); |
| 221 | foreach_vpe_api_msg; |
| 222 | #undef _ |
| 223 | |
| 224 | am->api_trace_cfg[VL_API_VXLAN_ADD_DEL_TUNNEL].size += 16 * sizeof (u32); |
| 225 | |
| 226 | /* |
| 227 | * Set up the (msg_name, crc, message-id) table |
| 228 | */ |
| 229 | setup_message_id_table (am); |
| 230 | |
| 231 | return 0; |
| 232 | } |
| 233 | |
| 234 | VLIB_API_INIT_FUNCTION (vxlan_api_hookup); |
| 235 | |
| 236 | /* |
| 237 | * fd.io coding-style-patch-verification: ON |
| 238 | * |
| 239 | * Local Variables: |
| 240 | * eval: (c-set-style "gnu") |
| 241 | * End: |
| 242 | */ |