aboutsummaryrefslogtreecommitdiffstats
path: root/src/vnet/ipip/ipip_api.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/vnet/ipip/ipip_api.c')
-rw-r--r--src/vnet/ipip/ipip_api.c230
1 files changed, 230 insertions, 0 deletions
diff --git a/src/vnet/ipip/ipip_api.c b/src/vnet/ipip/ipip_api.c
new file mode 100644
index 00000000000..a6633296515
--- /dev/null
+++ b/src/vnet/ipip/ipip_api.c
@@ -0,0 +1,230 @@
+/*
+ * ipip_api.c - ipip 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 <vlibmemory/api.h>
+#include <vnet/api_errno.h>
+#include <vnet/fib/fib_table.h>
+#include <vnet/interface.h>
+#include <vnet/ipip/ipip.h>
+#include <vnet/vnet.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 \
+ _(IPIP_ADD_TUNNEL, ipip_add_tunnel) \
+ _(IPIP_DEL_TUNNEL, ipip_del_tunnel) \
+ _(IPIP_6RD_ADD_TUNNEL, ipip_6rd_add_tunnel) \
+ _(IPIP_6RD_DEL_TUNNEL, ipip_6rd_del_tunnel) \
+ _(IPIP_TUNNEL_DUMP, ipip_tunnel_dump)
+
+static void
+vl_api_ipip_add_tunnel_t_handler (vl_api_ipip_add_tunnel_t * mp)
+{
+ vl_api_ipip_add_tunnel_reply_t *rmp;
+ int rv = 0;
+ u32 sw_if_index = ~0;
+ ip46_address_t src = ip46_address_initializer, dst =
+ ip46_address_initializer;
+
+ /* ip addresses sent in network byte order */
+ if (mp->is_ipv6)
+ {
+ clib_memcpy (&src.ip6, mp->src_address, 16);
+ clib_memcpy (&dst.ip6, mp->dst_address, 16);
+ }
+ else
+ {
+ clib_memcpy (&src.ip4, mp->src_address, 4);
+ clib_memcpy (&dst.ip4, mp->dst_address, 4);
+ }
+
+ rv = ipip_add_tunnel (mp->is_ipv6 ? IPIP_TRANSPORT_IP6 : IPIP_TRANSPORT_IP4,
+ ntohl (mp->instance), &src, &dst,
+ ntohl (mp->fib_index), &sw_if_index);
+
+ /* *INDENT-OFF* */
+ REPLY_MACRO2(VL_API_IPIP_ADD_TUNNEL_REPLY,
+ ({ rmp->sw_if_index = ntohl(sw_if_index); }));
+ /* *INDENT-ON* */
+}
+
+static void
+vl_api_ipip_del_tunnel_t_handler (vl_api_ipip_del_tunnel_t * mp)
+{
+ vl_api_ipip_del_tunnel_reply_t *rmp;
+
+ int rv = ipip_del_tunnel (ntohl (mp->sw_if_index));
+
+ REPLY_MACRO (VL_API_IPIP_DEL_TUNNEL_REPLY);
+}
+
+static void
+send_ipip_tunnel_details (ipip_tunnel_t * t,
+ vl_api_registration_t * reg, u32 context)
+{
+ vl_api_ipip_tunnel_details_t *rmp;
+ bool is_ipv6 = t->transport == IPIP_TRANSPORT_IP6 ? true : false;
+ fib_table_t *ft;
+
+ rmp = vl_msg_api_alloc (sizeof (*rmp));
+ memset (rmp, 0, sizeof (*rmp));
+ rmp->_vl_msg_id = htons (VL_API_IPIP_TUNNEL_DETAILS);
+ if (is_ipv6)
+ {
+ clib_memcpy (rmp->src_address, &t->tunnel_src.ip6.as_u8, 16);
+ clib_memcpy (rmp->dst_address, &t->tunnel_dst.ip6.as_u8, 16);
+ ft = fib_table_get (t->fib_index, FIB_PROTOCOL_IP6);
+ rmp->fib_index = htonl (ft->ft_table_id);
+ }
+ else
+ {
+ clib_memcpy (rmp->src_address, &t->tunnel_src.ip4.as_u8, 4);
+ clib_memcpy (rmp->dst_address, &t->tunnel_dst.ip4.as_u8, 4);
+ ft = fib_table_get (t->fib_index, FIB_PROTOCOL_IP4);
+ rmp->fib_index = htonl (ft->ft_table_id);
+ }
+ rmp->instance = htonl (t->user_instance);
+ rmp->sw_if_index = htonl (t->sw_if_index);
+ rmp->context = context;
+ rmp->is_ipv6 = is_ipv6;
+
+ vl_api_send_msg (reg, (u8 *) rmp);
+}
+
+static void
+vl_api_ipip_tunnel_dump_t_handler (vl_api_ipip_tunnel_dump_t * mp)
+{
+ vl_api_registration_t *reg;
+ ipip_main_t *gm = &ipip_main;
+ ipip_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 (sw_if_index == ~0)
+ {
+ /* *INDENT-OFF* */
+ pool_foreach(t, gm->tunnels,
+ ({ send_ipip_tunnel_details(t, reg, mp->context); }));
+ /* *INDENT-ON* */
+ }
+ else
+ {
+ t = ipip_tunnel_db_find_by_sw_if_index (sw_if_index);
+ if (t)
+ send_ipip_tunnel_details (t, reg, mp->context);
+ }
+}
+
+static void
+vl_api_ipip_6rd_add_tunnel_t_handler (vl_api_ipip_6rd_add_tunnel_t * mp)
+{
+ vl_api_ipip_6rd_add_tunnel_reply_t *rmp;
+ u32 sixrd_tunnel_index;
+
+ int rv = sixrd_add_tunnel ((ip6_address_t *) & mp->ip6_prefix,
+ mp->ip6_prefix_len,
+ (ip4_address_t *) & mp->ip4_prefix,
+ mp->ip4_prefix_len,
+ (ip4_address_t *) & mp->ip4_src,
+ mp->security_check,
+ ntohl (mp->fib_index), &sixrd_tunnel_index);
+
+ REPLY_MACRO2 (VL_API_IPIP_6RD_ADD_TUNNEL_REPLY, (
+ {
+ rmp->sw_if_index =
+ htonl
+ (sixrd_tunnel_index);}));
+}
+
+static void
+vl_api_ipip_6rd_del_tunnel_t_handler (vl_api_ipip_6rd_del_tunnel_t * mp)
+{
+ vl_api_ipip_6rd_del_tunnel_reply_t *rmp;
+
+ int rv = sixrd_del_tunnel (ntohl (mp->sw_if_index));
+
+ REPLY_MACRO (VL_API_IPIP_6RD_DEL_TUNNEL_REPLY);
+}
+
+/*
+ * ipip_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_ipip;
+#undef _
+}
+
+static clib_error_t *
+ipip_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 (ipip_api_hookup);
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */