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-rw-r--r--src/vnet/geneve/geneve_api.c237
1 files changed, 237 insertions, 0 deletions
diff --git a/src/vnet/geneve/geneve_api.c b/src/vnet/geneve/geneve_api.c
new file mode 100644
index 00000000000..1239bfc24c0
--- /dev/null
+++ b/src/vnet/geneve/geneve_api.c
@@ -0,0 +1,237 @@
+/*
+ * Copyright (c) 2017 SUSE LLC.
+ * 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/geneve/geneve.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_GENEVE_BYPASS, sw_interface_set_geneve_bypass) \
+_(GENEVE_ADD_DEL_TUNNEL, geneve_add_del_tunnel) \
+_(GENEVE_TUNNEL_DUMP, geneve_tunnel_dump)
+
+static void
+ vl_api_sw_interface_set_geneve_bypass_t_handler
+ (vl_api_sw_interface_set_geneve_bypass_t * mp)
+{
+ vl_api_sw_interface_set_geneve_bypass_reply_t *rmp;
+ int rv = 0;
+ u32 sw_if_index = ntohl (mp->sw_if_index);
+
+ VALIDATE_SW_IF_INDEX (mp);
+
+ vnet_int_geneve_bypass_mode (sw_if_index, mp->is_ipv6, mp->enable);
+ BAD_SW_IF_INDEX_LABEL;
+
+ REPLY_MACRO (VL_API_SW_INTERFACE_SET_GENEVE_BYPASS_REPLY);
+}
+
+static void vl_api_geneve_add_del_tunnel_t_handler
+ (vl_api_geneve_add_del_tunnel_t * mp)
+{
+ vl_api_geneve_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_geneve_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),
+ .remote = to_ip46 (mp->is_ipv6, mp->remote_address),
+ .local = to_ip46 (mp->is_ipv6, mp->local_address),
+ };
+
+ /* Check src & dst are different */
+ if (ip46_address_cmp (&a.remote, &a.local) == 0)
+ {
+ rv = VNET_API_ERROR_SAME_SRC_DST;
+ goto out;
+ }
+ if (ip46_address_is_multicast (&a.remote) &&
+ !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_geneve_add_del_tunnel (&a, &sw_if_index);
+
+out:
+ /* *INDENT-OFF* */
+ REPLY_MACRO2(VL_API_GENEVE_ADD_DEL_TUNNEL_REPLY,
+ ({
+ rmp->sw_if_index = ntohl (sw_if_index);
+ }));
+ /* *INDENT-ON* */
+}
+
+static void send_geneve_tunnel_details
+ (geneve_tunnel_t * t, unix_shared_memory_queue_t * q, u32 context)
+{
+ vl_api_geneve_tunnel_details_t *rmp;
+ ip4_main_t *im4 = &ip4_main;
+ ip6_main_t *im6 = &ip6_main;
+ u8 is_ipv6 = !ip46_address_is_ip4 (&t->remote);
+
+ rmp = vl_msg_api_alloc (sizeof (*rmp));
+ memset (rmp, 0, sizeof (*rmp));
+ rmp->_vl_msg_id = ntohs (VL_API_GENEVE_TUNNEL_DETAILS);
+ if (is_ipv6)
+ {
+ memcpy (rmp->src_address, t->local.ip6.as_u8, 16);
+ memcpy (rmp->dst_address, t->remote.ip6.as_u8, 16);
+ rmp->encap_vrf_id = htonl (im6->fibs[t->encap_fib_index].ft_table_id);
+ }
+ else
+ {
+ memcpy (rmp->src_address, t->local.ip4.as_u8, 4);
+ memcpy (rmp->dst_address, t->remote.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_msg_api_send_shmem (q, (u8 *) & rmp);
+}
+
+static void vl_api_geneve_tunnel_dump_t_handler
+ (vl_api_geneve_tunnel_dump_t * mp)
+{
+ unix_shared_memory_queue_t *q;
+ geneve_main_t *vxm = &geneve_main;
+ geneve_tunnel_t *t;
+ u32 sw_if_index;
+
+ q = vl_api_client_index_to_input_queue (mp->client_index);
+ if (q == 0)
+ {
+ return;
+ }
+
+ sw_if_index = ntohl (mp->sw_if_index);
+
+ if (~0 == sw_if_index)
+ {
+ /* *INDENT-OFF* */
+ pool_foreach (t, vxm->tunnels,
+ ({
+ send_geneve_tunnel_details(t, q, 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_geneve_tunnel_details (t, q, 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_geneve;
+#undef _
+}
+
+static clib_error_t *
+geneve_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_GENEVE_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 (geneve_api_hookup);
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */