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-rw-r--r--src/plugins/vxlan/vxlan_api.c376
1 files changed, 376 insertions, 0 deletions
diff --git a/src/plugins/vxlan/vxlan_api.c b/src/plugins/vxlan/vxlan_api.c
new file mode 100644
index 00000000000..8fd0928cc63
--- /dev/null
+++ b/src/plugins/vxlan/vxlan_api.c
@@ -0,0 +1,376 @@
+/*
+ *------------------------------------------------------------------
+ * 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 <vxlan/vxlan.h>
+#include <vnet/fib/fib_table.h>
+#include <vnet/ip/ip_types_api.h>
+#include <vnet/udp/udp_local.h>
+#include <vnet/format_fns.h>
+#include <vxlan/vxlan.api_enum.h>
+#include <vxlan/vxlan.api_types.h>
+
+static u16 msg_id_base;
+
+#define REPLY_MSG_ID_BASE msg_id_base
+#include <vlibapi/api_helper_macros.h>
+
+static void
+vl_api_vxlan_offload_rx_t_handler (vl_api_vxlan_offload_rx_t * mp)
+{
+ vl_api_vxlan_offload_rx_reply_t *rmp;
+ int rv = 0;
+ u32 hw_if_index = ntohl (mp->hw_if_index);
+ u32 sw_if_index = ntohl (mp->sw_if_index);
+
+ if (!vnet_hw_interface_is_valid (vnet_get_main (), hw_if_index))
+ {
+ rv = VNET_API_ERROR_NO_SUCH_ENTRY;
+ goto err;
+ }
+ VALIDATE_SW_IF_INDEX (mp);
+
+ u32 t_index = vnet_vxlan_get_tunnel_index (sw_if_index);
+ if (t_index == ~0)
+ {
+ rv = VNET_API_ERROR_INVALID_SW_IF_INDEX_2;
+ goto err;
+ }
+
+ vxlan_main_t *vxm = &vxlan_main;
+ vxlan_tunnel_t *t = pool_elt_at_index (vxm->tunnels, t_index);
+ if (!ip46_address_is_ip4 (&t->dst))
+ {
+ rv = VNET_API_ERROR_INVALID_ADDRESS_FAMILY;
+ goto err;
+ }
+
+ vnet_main_t *vnm = vnet_get_main ();
+ vnet_hw_interface_t *hw_if = vnet_get_hw_interface (vnm, hw_if_index);
+ ip4_main_t *im = &ip4_main;
+ u32 rx_fib_index =
+ vec_elt (im->fib_index_by_sw_if_index, hw_if->sw_if_index);
+
+ if (t->encap_fib_index != rx_fib_index)
+ {
+ rv = VNET_API_ERROR_NO_SUCH_FIB;
+ goto err;
+ }
+
+ if (vnet_vxlan_add_del_rx_flow (hw_if_index, t_index, mp->enable))
+ {
+ rv = VNET_API_ERROR_UNSPECIFIED;
+ goto err;
+ }
+ BAD_SW_IF_INDEX_LABEL;
+err:
+
+ REPLY_MACRO (VL_API_VXLAN_OFFLOAD_RX_REPLY);
+}
+
+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 int
+vxlan_add_del_tunnel_clean_input (vnet_vxlan_add_del_tunnel_args_t *a,
+ u32 encap_vrf_id)
+{
+ a->is_ip6 = !ip46_address_is_ip4 (&a->src);
+
+ a->encap_fib_index = fib_table_find (fib_ip_proto (a->is_ip6), encap_vrf_id);
+ if (a->encap_fib_index == ~0)
+ {
+ return VNET_API_ERROR_NO_SUCH_FIB;
+ }
+
+ if (ip46_address_is_ip4 (&a->src) != ip46_address_is_ip4 (&a->dst))
+ {
+ return VNET_API_ERROR_INVALID_VALUE;
+ }
+
+ /* Check src & dst are different */
+ if (ip46_address_cmp (&a->dst, &a->src) == 0)
+ {
+ return VNET_API_ERROR_SAME_SRC_DST;
+ }
+ if (ip46_address_is_multicast (&a->dst) &&
+ !vnet_sw_if_index_is_api_valid (a->mcast_sw_if_index))
+ {
+ return VNET_API_ERROR_INVALID_SW_IF_INDEX;
+ }
+ return 0;
+}
+
+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;
+ u32 sw_if_index = ~0;
+ int rv = 0;
+
+ vnet_vxlan_add_del_tunnel_args_t a = {
+ .is_add = mp->is_add,
+ .instance = ntohl (mp->instance),
+ .mcast_sw_if_index = ntohl (mp->mcast_sw_if_index),
+ .decap_next_index = ntohl (mp->decap_next_index),
+ .vni = ntohl (mp->vni),
+ };
+ ip_address_decode (&mp->src_address, &a.src);
+ ip_address_decode (&mp->dst_address, &a.dst);
+
+ rv = vxlan_add_del_tunnel_clean_input (&a, ntohl (mp->encap_vrf_id));
+ if (rv)
+ goto out;
+ a.dst_port = a.is_ip6 ? UDP_DST_PORT_vxlan6 : UDP_DST_PORT_vxlan,
+ a.src_port = a.is_ip6 ? UDP_DST_PORT_vxlan6 : UDP_DST_PORT_vxlan,
+ rv = vnet_vxlan_add_del_tunnel (&a, &sw_if_index);
+
+out:
+ REPLY_MACRO2(VL_API_VXLAN_ADD_DEL_TUNNEL_REPLY,
+ ({
+ rmp->sw_if_index = ntohl (sw_if_index);
+ }));
+}
+
+static void
+vl_api_vxlan_add_del_tunnel_v2_t_handler (vl_api_vxlan_add_del_tunnel_v2_t *mp)
+{
+ vl_api_vxlan_add_del_tunnel_v2_reply_t *rmp;
+ u32 sw_if_index = ~0;
+ int rv = 0;
+
+ vnet_vxlan_add_del_tunnel_args_t a = {
+ .is_add = mp->is_add,
+ .instance = ntohl (mp->instance),
+ .mcast_sw_if_index = ntohl (mp->mcast_sw_if_index),
+ .decap_next_index = ntohl (mp->decap_next_index),
+ .vni = ntohl (mp->vni),
+ .dst_port = ntohs (mp->dst_port),
+ .src_port = ntohs (mp->src_port),
+ };
+
+ ip_address_decode (&mp->src_address, &a.src);
+ ip_address_decode (&mp->dst_address, &a.dst);
+
+ rv = vxlan_add_del_tunnel_clean_input (&a, ntohl (mp->encap_vrf_id));
+ if (rv)
+ goto out;
+ rv = vnet_vxlan_add_del_tunnel (&a, &sw_if_index);
+out:
+ REPLY_MACRO2 (VL_API_VXLAN_ADD_DEL_TUNNEL_V2_REPLY,
+ ({ rmp->sw_if_index = ntohl (sw_if_index); }));
+}
+
+static void
+vl_api_vxlan_add_del_tunnel_v3_t_handler (vl_api_vxlan_add_del_tunnel_v3_t *mp)
+{
+ vl_api_vxlan_add_del_tunnel_v3_reply_t *rmp;
+ u32 sw_if_index = ~0;
+ int rv = 0;
+
+ vnet_vxlan_add_del_tunnel_args_t a = {
+ .is_add = mp->is_add,
+ .instance = ntohl (mp->instance),
+ .mcast_sw_if_index = ntohl (mp->mcast_sw_if_index),
+ .decap_next_index = ntohl (mp->decap_next_index),
+ .vni = ntohl (mp->vni),
+ .dst_port = ntohs (mp->dst_port),
+ .src_port = ntohs (mp->src_port),
+ .is_l3 = mp->is_l3,
+ };
+
+ ip_address_decode (&mp->src_address, &a.src);
+ ip_address_decode (&mp->dst_address, &a.dst);
+
+ rv = vxlan_add_del_tunnel_clean_input (&a, ntohl (mp->encap_vrf_id));
+ if (rv)
+ goto out;
+ rv = vnet_vxlan_add_del_tunnel (&a, &sw_if_index);
+out:
+ REPLY_MACRO2 (VL_API_VXLAN_ADD_DEL_TUNNEL_V3_REPLY,
+ ({ rmp->sw_if_index = ntohl (sw_if_index); }));
+}
+
+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;
+
+ rmp = vl_msg_api_alloc (sizeof (*rmp));
+ clib_memset (rmp, 0, sizeof (*rmp));
+ rmp->_vl_msg_id = ntohs (REPLY_MSG_ID_BASE + VL_API_VXLAN_TUNNEL_DETAILS);
+
+ ip_address_encode (&t->src, IP46_TYPE_ANY, &rmp->src_address);
+ ip_address_encode (&t->dst, IP46_TYPE_ANY, &rmp->dst_address);
+
+ if (ip46_address_is_ip4 (&t->dst))
+ rmp->encap_vrf_id = htonl (im4->fibs[t->encap_fib_index].ft_table_id);
+ else
+ rmp->encap_vrf_id = htonl (im6->fibs[t->encap_fib_index].ft_table_id);
+
+ rmp->instance = htonl (t->user_instance);
+ 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->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)
+ {
+ pool_foreach (t, vxm->tunnels)
+ send_vxlan_tunnel_details(t, reg, mp->context);
+ }
+ 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);
+ }
+}
+
+static void
+send_vxlan_tunnel_v2_details (vxlan_tunnel_t *t, vl_api_registration_t *reg,
+ u32 context)
+{
+ vl_api_vxlan_tunnel_v2_details_t *rmp;
+ ip4_main_t *im4 = &ip4_main;
+ ip6_main_t *im6 = &ip6_main;
+
+ rmp = vl_msg_api_alloc (sizeof (*rmp));
+ clib_memset (rmp, 0, sizeof (*rmp));
+ rmp->_vl_msg_id = ntohs (REPLY_MSG_ID_BASE + VL_API_VXLAN_TUNNEL_V2_DETAILS);
+
+ ip_address_encode (&t->src, IP46_TYPE_ANY, &rmp->src_address);
+ ip_address_encode (&t->dst, IP46_TYPE_ANY, &rmp->dst_address);
+ rmp->src_port = htons (t->src_port);
+ rmp->dst_port = htons (t->dst_port);
+
+ if (ip46_address_is_ip4 (&t->dst))
+ rmp->encap_vrf_id = htonl (im4->fibs[t->encap_fib_index].ft_table_id);
+ else
+ rmp->encap_vrf_id = htonl (im6->fibs[t->encap_fib_index].ft_table_id);
+
+ rmp->instance = htonl (t->user_instance);
+ 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->context = context;
+
+ vl_api_send_msg (reg, (u8 *) rmp);
+}
+
+static void
+vl_api_vxlan_tunnel_v2_dump_t_handler (vl_api_vxlan_tunnel_v2_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)
+ {
+ pool_foreach (t, vxm->tunnels)
+ send_vxlan_tunnel_v2_details (t, reg, mp->context);
+ }
+ 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_v2_details (t, reg, mp->context);
+ }
+}
+
+#include <vxlan/vxlan.api.c>
+static clib_error_t *
+vxlan_api_hookup (vlib_main_t * vm)
+{
+ api_main_t *am = vlibapi_get_main ();
+
+ vl_api_increase_msg_trace_size (am, VL_API_VXLAN_ADD_DEL_TUNNEL,
+ 16 * sizeof (u32));
+
+ /*
+ * Set up the (msg_name, crc, message-id) table
+ */
+ msg_id_base = setup_message_id_table ();
+
+ return 0;
+}
+
+VLIB_API_INIT_FUNCTION (vxlan_api_hookup);
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */