+++ /dev/null
-/*
- *------------------------------------------------------------------
- * gre_api.c - gre 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/gre/gre.h>
-#include <vnet/fib/fib_table.h>
-#include <vnet/tunnel/tunnel_types_api.h>
-#include <vnet/ip/ip_types_api.h>
-
-#include <vnet/gre/gre.api_enum.h>
-#include <vnet/gre/gre.api_types.h>
-
-#define REPLY_MSG_ID_BASE gre_main.msg_id_base
-#include <vlibapi/api_helper_macros.h>
-
-static int
-gre_tunnel_type_decode (vl_api_gre_tunnel_type_t in, gre_tunnel_type_t * out)
-{
- switch (in)
- {
-#define _(n, v) \
- case GRE_API_TUNNEL_TYPE_##n: \
- *out = GRE_TUNNEL_TYPE_##n; \
- return (0);
- foreach_gre_tunnel_type
-#undef _
- }
-
- return (VNET_API_ERROR_INVALID_VALUE);
-}
-
-static vl_api_gre_tunnel_type_t
-gre_tunnel_type_encode (gre_tunnel_type_t in)
-{
- vl_api_gre_tunnel_type_t out = GRE_API_TUNNEL_TYPE_L3;
-
- switch (in)
- {
-#define _(n, v) \
- case GRE_TUNNEL_TYPE_##n: \
- out = GRE_API_TUNNEL_TYPE_##n; \
- break;
- foreach_gre_tunnel_type
-#undef _
- }
-
- return (out);
-}
-
-static void vl_api_gre_tunnel_add_del_t_handler
- (vl_api_gre_tunnel_add_del_t * mp)
-{
- vnet_gre_tunnel_add_del_args_t _a = { }, *a = &_a;
- vl_api_gre_tunnel_add_del_reply_t *rmp;
- tunnel_encap_decap_flags_t flags;
- u32 sw_if_index = ~0;
- ip46_type_t itype[2];
- int rv = 0;
-
- itype[0] = ip_address_decode (&mp->tunnel.src, &a->src);
- itype[1] = ip_address_decode (&mp->tunnel.dst, &a->dst);
-
- if (itype[0] != itype[1])
- {
- rv = VNET_API_ERROR_INVALID_PROTOCOL;
- goto out;
- }
-
- if (ip46_address_is_equal (&a->src, &a->dst))
- {
- rv = VNET_API_ERROR_SAME_SRC_DST;
- goto out;
- }
-
- rv = gre_tunnel_type_decode (mp->tunnel.type, &a->type);
-
- if (rv)
- goto out;
-
- rv = tunnel_mode_decode (mp->tunnel.mode, &a->mode);
-
- if (rv)
- goto out;
-
- rv = tunnel_encap_decap_flags_decode (mp->tunnel.flags, &flags);
-
- if (rv)
- goto out;
-
- a->is_add = mp->is_add;
- a->is_ipv6 = (itype[0] == IP46_TYPE_IP6);
- a->instance = ntohl (mp->tunnel.instance);
- a->session_id = ntohs (mp->tunnel.session_id);
- a->outer_table_id = ntohl (mp->tunnel.outer_table_id);
- a->flags = flags;
-
- rv = vnet_gre_tunnel_add_del (a, &sw_if_index);
-
-out:
- /* *INDENT-OFF* */
- REPLY_MACRO2(VL_API_GRE_TUNNEL_ADD_DEL_REPLY,
- ({
- rmp->sw_if_index = ntohl (sw_if_index);
- }));
- /* *INDENT-ON* */
-}
-
-static void send_gre_tunnel_details
- (gre_tunnel_t * t, vl_api_gre_tunnel_dump_t * mp)
-{
- vl_api_gre_tunnel_details_t *rmp;
-
- /* *INDENT-OFF* */
- REPLY_MACRO_DETAILS2(VL_API_GRE_TUNNEL_DETAILS,
- ({
- ip_address_encode (&t->tunnel_src, IP46_TYPE_ANY, &rmp->tunnel.src);
- ip_address_encode (&t->tunnel_dst.fp_addr, IP46_TYPE_ANY, &rmp->tunnel.dst);
-
- rmp->tunnel.outer_table_id =
- htonl (fib_table_get_table_id
- (t->outer_fib_index, t->tunnel_dst.fp_proto));
-
- rmp->tunnel.type = gre_tunnel_type_encode (t->type);
- rmp->tunnel.mode = tunnel_mode_encode (t->mode);
- rmp->tunnel.flags = tunnel_encap_decap_flags_encode (t->flags);
- rmp->tunnel.instance = htonl (t->user_instance);
- rmp->tunnel.sw_if_index = htonl (t->sw_if_index);
- rmp->tunnel.session_id = htons (t->session_id);
- }));
- /* *INDENT-ON* */
-}
-
-static void
-vl_api_gre_tunnel_dump_t_handler (vl_api_gre_tunnel_dump_t * mp)
-{
- vl_api_registration_t *reg;
- gre_main_t *gm = &gre_main;
- gre_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, gm->tunnels)
- {
- send_gre_tunnel_details(t, mp);
- }
- /* *INDENT-ON* */
- }
-
- else
- {
- if ((sw_if_index >= vec_len (gm->tunnel_index_by_sw_if_index)) ||
- (~0 == gm->tunnel_index_by_sw_if_index[sw_if_index]))
- {
- return;
- }
- t = &gm->tunnels[gm->tunnel_index_by_sw_if_index[sw_if_index]];
- send_gre_tunnel_details (t, mp);
- }
-}
-
-/*
- * gre_api_hookup
- * Add vpe's API message handlers to the table.
- * vlib has already mapped shared memory and
- * added the client registration handlers.
- * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
- */
-/* API definitions */
-#include <vnet/format_fns.h>
-#include <vnet/gre/gre.api.c>
-
-static clib_error_t *
-gre_api_hookup (vlib_main_t * vm)
-{
- /*
- * Set up the (msg_name, crc, message-id) table
- */
- gre_main.msg_id_base = setup_message_id_table ();
-
- return 0;
-}
-
-VLIB_API_INIT_FUNCTION (gre_api_hookup);
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
Code Review / vpp.git / blobdiff