| /* |
| *------------------------------------------------------------------ |
| * vxlan_api.c - vxlan api |
| * |
| * Copyright (c) 2016 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 <vnet/vnet.h> |
| #include <vlibmemory/api.h> |
| |
| #include <vnet/interface.h> |
| #include <vnet/api_errno.h> |
| #include <vnet/feature/feature.h> |
| #include <vnet/vxlan/vxlan.h> |
| #include <vnet/fib/fib_table.h> |
| |
| #include <vnet/vnet_msg_enum.h> |
| |
| #define vl_typedefs /* define message structures */ |
| #include <vnet/vnet_all_api_h.h> |
| #undef vl_typedefs |
| |
| #define vl_endianfun /* define message structures */ |
| #include <vnet/vnet_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 <vnet/vnet_all_api_h.h> |
| #undef vl_printfun |
| |
| #include <vlibapi/api_helper_macros.h> |
| |
| #define foreach_vpe_api_msg \ |
| _(SW_INTERFACE_SET_VXLAN_BYPASS, sw_interface_set_vxlan_bypass) \ |
| _(VXLAN_ADD_DEL_TUNNEL, vxlan_add_del_tunnel) \ |
| _(VXLAN_TUNNEL_DUMP, vxlan_tunnel_dump) |
| |
| static void |
| vl_api_sw_interface_set_vxlan_bypass_t_handler |
| (vl_api_sw_interface_set_vxlan_bypass_t * mp) |
| { |
| vl_api_sw_interface_set_vxlan_bypass_reply_t *rmp; |
| int rv = 0; |
| u32 sw_if_index = ntohl (mp->sw_if_index); |
| |
| VALIDATE_SW_IF_INDEX (mp); |
| |
| vnet_int_vxlan_bypass_mode (sw_if_index, mp->is_ipv6, mp->enable); |
| BAD_SW_IF_INDEX_LABEL; |
| |
| REPLY_MACRO (VL_API_SW_INTERFACE_SET_VXLAN_BYPASS_REPLY); |
| } |
| |
| static void vl_api_vxlan_add_del_tunnel_t_handler |
| (vl_api_vxlan_add_del_tunnel_t * mp) |
| { |
| vl_api_vxlan_add_del_tunnel_reply_t *rmp; |
| int rv = 0; |
| ip4_main_t *im = &ip4_main; |
| |
| uword *p = hash_get (im->fib_index_by_table_id, ntohl (mp->encap_vrf_id)); |
| if (!p) |
| { |
| rv = VNET_API_ERROR_NO_SUCH_FIB; |
| goto out; |
| } |
| |
| vnet_vxlan_add_del_tunnel_args_t a = { |
| .is_add = mp->is_add, |
| .is_ip6 = mp->is_ipv6, |
| .mcast_sw_if_index = ntohl (mp->mcast_sw_if_index), |
| .encap_fib_index = p[0], |
| .decap_next_index = ntohl (mp->decap_next_index), |
| .vni = ntohl (mp->vni), |
| .dst = to_ip46 (mp->is_ipv6, mp->dst_address), |
| .src = to_ip46 (mp->is_ipv6, mp->src_address), |
| }; |
| |
| /* Check src & dst are different */ |
| if (ip46_address_cmp (&a.dst, &a.src) == 0) |
| { |
| rv = VNET_API_ERROR_SAME_SRC_DST; |
| goto out; |
| } |
| if (ip46_address_is_multicast (&a.dst) && |
| !vnet_sw_if_index_is_api_valid (a.mcast_sw_if_index)) |
| { |
| rv = VNET_API_ERROR_INVALID_SW_IF_INDEX; |
| goto out; |
| } |
| |
| u32 sw_if_index = ~0; |
| rv = vnet_vxlan_add_del_tunnel (&a, &sw_if_index); |
| |
| out: |
| /* *INDENT-OFF* */ |
| REPLY_MACRO2(VL_API_VXLAN_ADD_DEL_TUNNEL_REPLY, |
| ({ |
| rmp->sw_if_index = ntohl (sw_if_index); |
| })); |
| /* *INDENT-ON* */ |
| } |
| |
| static void send_vxlan_tunnel_details |
| (vxlan_tunnel_t * t, vl_api_registration_t * reg, u32 context) |
| { |
| vl_api_vxlan_tunnel_details_t *rmp; |
| ip4_main_t *im4 = &ip4_main; |
| ip6_main_t *im6 = &ip6_main; |
| u8 is_ipv6 = !ip46_address_is_ip4 (&t->dst); |
| |
| rmp = vl_msg_api_alloc (sizeof (*rmp)); |
| memset (rmp, 0, sizeof (*rmp)); |
| rmp->_vl_msg_id = ntohs (VL_API_VXLAN_TUNNEL_DETAILS); |
| if (is_ipv6) |
| { |
| memcpy (rmp->src_address, t->src.ip6.as_u8, 16); |
| memcpy (rmp->dst_address, t->dst.ip6.as_u8, 16); |
| rmp->encap_vrf_id = htonl (im6->fibs[t->encap_fib_index].ft_table_id); |
| } |
| else |
| { |
| memcpy (rmp->src_address, t->src.ip4.as_u8, 4); |
| memcpy (rmp->dst_address, t->dst.ip4.as_u8, 4); |
| rmp->encap_vrf_id = htonl (im4->fibs[t->encap_fib_index].ft_table_id); |
| } |
| rmp->mcast_sw_if_index = htonl (t->mcast_sw_if_index); |
| rmp->vni = htonl (t->vni); |
| rmp->decap_next_index = htonl (t->decap_next_index); |
| rmp->sw_if_index = htonl (t->sw_if_index); |
| rmp->is_ipv6 = is_ipv6; |
| rmp->context = context; |
| |
| vl_api_send_msg (reg, (u8 *) rmp); |
| } |
| |
| static void vl_api_vxlan_tunnel_dump_t_handler |
| (vl_api_vxlan_tunnel_dump_t * mp) |
| { |
| vl_api_registration_t *reg; |
| vxlan_main_t *vxm = &vxlan_main; |
| vxlan_tunnel_t *t; |
| u32 sw_if_index; |
| |
| reg = vl_api_client_index_to_registration (mp->client_index); |
| if (!reg) |
| return; |
| |
| sw_if_index = ntohl (mp->sw_if_index); |
| |
| if (~0 == sw_if_index) |
| { |
| /* *INDENT-OFF* */ |
| pool_foreach (t, vxm->tunnels, |
| ({ |
| send_vxlan_tunnel_details(t, reg, mp->context); |
| })); |
| /* *INDENT-ON* */ |
| } |
| else |
| { |
| if ((sw_if_index >= vec_len (vxm->tunnel_index_by_sw_if_index)) || |
| (~0 == vxm->tunnel_index_by_sw_if_index[sw_if_index])) |
| { |
| return; |
| } |
| t = &vxm->tunnels[vxm->tunnel_index_by_sw_if_index[sw_if_index]]; |
| send_vxlan_tunnel_details (t, reg, mp->context); |
| } |
| } |
| |
| /* |
| * vpe_api_hookup |
| * Add vpe's API message handlers to the table. |
| * vlib has alread mapped shared memory and |
| * added the client registration handlers. |
| * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process() |
| */ |
| #define vl_msg_name_crc_list |
| #include <vnet/vnet_all_api_h.h> |
| #undef vl_msg_name_crc_list |
| |
| static void |
| setup_message_id_table (api_main_t * am) |
| { |
| #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id); |
| foreach_vl_msg_name_crc_vxlan; |
| #undef _ |
| } |
| |
| static clib_error_t * |
| vxlan_api_hookup (vlib_main_t * vm) |
| { |
| api_main_t *am = &api_main; |
| |
| #define _(N,n) \ |
| vl_msg_api_set_handlers(VL_API_##N, #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_vpe_api_msg; |
| #undef _ |
| |
| am->api_trace_cfg[VL_API_VXLAN_ADD_DEL_TUNNEL].size += 16 * sizeof (u32); |
| |
| /* |
| * Set up the (msg_name, crc, message-id) table |
| */ |
| setup_message_id_table (am); |
| |
| return 0; |
| } |
| |
| VLIB_API_INIT_FUNCTION (vxlan_api_hookup); |
| |
| /* |
| * fd.io coding-style-patch-verification: ON |
| * |
| * Local Variables: |
| * eval: (c-set-style "gnu") |
| * End: |
| */ |