| /* |
| *------------------------------------------------------------------ |
| * vxlan_gbp_api.c - vxlan gbp api |
| * |
| * 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 <vnet/vnet.h> |
| #include <vlibmemory/api.h> |
| |
| #include <vnet/interface.h> |
| #include <vnet/api_errno.h> |
| #include <vnet/feature/feature.h> |
| #include <vnet/vxlan-gbp/vxlan_gbp.h> |
| #include <vnet/fib/fib_table.h> |
| #include <vnet/ip/ip_types_api.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_GBP_BYPASS, sw_interface_set_vxlan_gbp_bypass) \ |
| _(VXLAN_GBP_TUNNEL_ADD_DEL, vxlan_gbp_tunnel_add_del) \ |
| _(VXLAN_GBP_TUNNEL_DUMP, vxlan_gbp_tunnel_dump) |
| |
| static void |
| vl_api_sw_interface_set_vxlan_gbp_bypass_t_handler |
| (vl_api_sw_interface_set_vxlan_gbp_bypass_t * mp) |
| { |
| vl_api_sw_interface_set_vxlan_gbp_bypass_reply_t *rmp; |
| int rv = 0; |
| u32 sw_if_index = ntohl (mp->sw_if_index); |
| |
| VALIDATE_SW_IF_INDEX (mp); |
| |
| vnet_int_vxlan_gbp_bypass_mode (sw_if_index, mp->is_ipv6, mp->enable); |
| BAD_SW_IF_INDEX_LABEL; |
| |
| REPLY_MACRO (VL_API_SW_INTERFACE_SET_VXLAN_GBP_BYPASS_REPLY); |
| } |
| |
| static void vl_api_vxlan_gbp_tunnel_add_del_t_handler |
| (vl_api_vxlan_gbp_tunnel_add_del_t * mp) |
| { |
| vl_api_vxlan_gbp_tunnel_add_del_reply_t *rmp; |
| ip46_address_t src, dst; |
| ip46_type_t itype; |
| int rv = 0; |
| u32 fib_index; |
| |
| itype = ip_address_decode (&mp->tunnel.src, &src); |
| itype = ip_address_decode (&mp->tunnel.dst, &dst); |
| |
| fib_index = fib_table_find (fib_proto_from_ip46 (itype), |
| ntohl (mp->tunnel.encap_table_id)); |
| if (fib_index == ~0) |
| { |
| rv = VNET_API_ERROR_NO_SUCH_FIB; |
| goto out; |
| } |
| |
| vnet_vxlan_gbp_tunnel_add_del_args_t a = { |
| .is_add = mp->is_add, |
| .is_ip6 = (itype == IP46_TYPE_IP6), |
| .instance = ntohl (mp->tunnel.instance), |
| .mcast_sw_if_index = ntohl (mp->tunnel.mcast_sw_if_index), |
| .encap_fib_index = fib_index, |
| .decap_next_index = ntohl (mp->tunnel.decap_next_index), |
| .vni = ntohl (mp->tunnel.vni), |
| .dst = dst, |
| .src = src, |
| }; |
| |
| /* 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_gbp_tunnel_add_del (&a, &sw_if_index); |
| |
| out: |
| /* *INDENT-OFF* */ |
| REPLY_MACRO2(VL_API_VXLAN_GBP_TUNNEL_ADD_DEL_REPLY, |
| ({ |
| rmp->sw_if_index = ntohl (sw_if_index); |
| })); |
| /* *INDENT-ON* */ |
| } |
| |
| static void send_vxlan_gbp_tunnel_details |
| (vxlan_gbp_tunnel_t * t, vl_api_registration_t * reg, u32 context) |
| { |
| vl_api_vxlan_gbp_tunnel_details_t *rmp; |
| ip46_type_t itype = (ip46_address_is_ip4 (&t->dst) ? |
| IP46_TYPE_IP4 : IP46_TYPE_IP6); |
| |
| rmp = vl_msg_api_alloc (sizeof (*rmp)); |
| memset (rmp, 0, sizeof (*rmp)); |
| rmp->_vl_msg_id = ntohs (VL_API_VXLAN_GBP_TUNNEL_DETAILS); |
| |
| ip_address_encode (&t->src, itype, &rmp->tunnel.src); |
| ip_address_encode (&t->dst, itype, &rmp->tunnel.dst); |
| rmp->tunnel.encap_table_id = |
| fib_table_get_table_id (t->encap_fib_index, fib_proto_from_ip46 (itype)); |
| |
| rmp->tunnel.instance = htonl (t->user_instance); |
| rmp->tunnel.mcast_sw_if_index = htonl (t->mcast_sw_if_index); |
| rmp->tunnel.vni = htonl (t->vni); |
| rmp->tunnel.decap_next_index = htonl (t->decap_next_index); |
| rmp->tunnel.sw_if_index = htonl (t->sw_if_index); |
| rmp->context = context; |
| |
| vl_api_send_msg (reg, (u8 *) rmp); |
| } |
| |
| static void vl_api_vxlan_gbp_tunnel_dump_t_handler |
| (vl_api_vxlan_gbp_tunnel_dump_t * mp) |
| { |
| vl_api_registration_t *reg; |
| vxlan_gbp_main_t *vxm = &vxlan_gbp_main; |
| vxlan_gbp_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_gbp_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_gbp_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_gbp; |
| #undef _ |
| } |
| |
| static clib_error_t * |
| vxlan_gbp_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 _ |
| |
| /* |
| * Set up the (msg_name, crc, message-id) table |
| */ |
| setup_message_id_table (am); |
| |
| return 0; |
| } |
| |
| VLIB_API_INIT_FUNCTION (vxlan_gbp_api_hookup); |
| |
| /* |
| * fd.io coding-style-patch-verification: ON |
| * |
| * Local Variables: |
| * eval: (c-set-style "gnu") |
| * End: |
| */ |