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authorNeale Ranns <neale.ranns@cisco.com>2018-10-10 07:22:51 -0700
committerDamjan Marion <dmarion@me.com>2018-11-07 12:00:10 +0000
commit93cc3ee3b3a9c9224a1446625882205f3282a949 (patch)
tree077421ee51238c22181a3b3f4871b648bb1299d3 /src/plugins/gbp/gbp_vxlan.h
parentc3df1e9a0ab79c1fe254394748ef441ffe224c43 (diff)
GBP Endpoint Learning
Learning GBP endpoints over vxlan-gbp tunnels Change-Id: I1db9fda5a16802d9ad8b4efd4e475614f3b21502 Signed-off-by: Neale Ranns <neale.ranns@cisco.com>
Diffstat (limited to 'src/plugins/gbp/gbp_vxlan.h')
-rw-r--r--src/plugins/gbp/gbp_vxlan.h133
1 files changed, 133 insertions, 0 deletions
diff --git a/src/plugins/gbp/gbp_vxlan.h b/src/plugins/gbp/gbp_vxlan.h
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+/*
+ * 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.
+ */
+
+#ifndef __GBP_VXLAN_H__
+#define __GBP_VXLAN_H__
+
+#include <vnet/fib/fib_types.h>
+
+#define forecah_gbp_vxlan_tunnel_layer \
+ _(L2, "l2") \
+ _(L3, "l3")
+
+typedef enum gbp_vxlan_tunnel_layer_t_
+{
+#define _(s,n) GBP_VXLAN_TUN_##s,
+ forecah_gbp_vxlan_tunnel_layer
+#undef _
+} gbp_vxlan_tunnel_layer_t;
+
+/**
+ * GBP VXLAN (template) tunnel.
+ * A template tunnel has only a VNI, it does not have src,dst address.
+ * As such it cannot be used to send traffic. It is used in the RX path
+ * to RX vxlan-gbp packets that do not match an existing tunnel;
+ */
+typedef struct gbp_vxlan_tunnel_t_
+{
+ u32 gt_hw_if_index;
+ u32 gt_sw_if_index;
+ u32 gt_vni;
+
+ /**
+ * The BD or RD value (depending on the layer) that the tunnel is bound to
+ */
+ u32 gt_bd_rd_id;
+ gbp_vxlan_tunnel_layer_t gt_layer;
+
+ union
+ {
+ struct
+ {
+ /**
+ * BD index (if L2)
+ */
+ u32 gt_bd_index;
+ /**
+ * Reference to the GPB-BD
+ */
+ index_t gt_gbd;
+ };
+ struct
+ {
+ /**
+ * FIB inidices (if L3)
+ */
+ u32 gt_fib_index[FIB_PROTOCOL_IP_MAX];
+ /**
+ * References to the GBP-RD
+ */
+ index_t gt_grd;
+ };
+ };
+
+ /**
+ * gbp-itf config for this interface
+ */
+ index_t gt_itf;
+
+ /**
+ * list of child vxlan-gbp tunnels built from this template
+ */
+ index_t *gt_tuns;
+} gbp_vxlan_tunnel_t;
+
+/**
+ * The different types of interfaces that endpoints are learned on
+ */
+typedef enum gbp_vxlan_tunnel_type_t_
+{
+ /**
+ * This is the object type deifend above.
+ * A template representation of a vxlan-gbp tunnel. from this tunnel
+ * type, real vxlan-gbp tunnels are created (by cloning the VNI)
+ */
+ GBP_VXLAN_TEMPLATE_TUNNEL,
+
+ /**
+ * A real VXLAN-GBP tunnel (from vnet/vxlan-gbp/...)
+ */
+ VXLAN_GBP_TUNNEL,
+} gbp_vxlan_tunnel_type_t;
+
+extern int gbp_vxlan_tunnel_add (u32 vni, gbp_vxlan_tunnel_layer_t layer,
+ u32 bd_rd_id, u32 * sw_if_indexp);
+extern int gbp_vxlan_tunnel_del (u32 vni);
+
+extern gbp_vxlan_tunnel_type_t gbp_vxlan_tunnel_get_type (u32 sw_if_index);
+
+extern u32 gbp_vxlan_tunnel_clone_and_lock (u32 parent_tunnel,
+ const ip46_address_t * src,
+ const ip46_address_t * dst);
+
+extern void vxlan_gbp_tunnel_lock (u32 sw_if_index);
+extern void vxlan_gbp_tunnel_unlock (u32 sw_if_index);
+extern u32 vxlan_gbp_tunnel_get_parent (u32 sw_if_index);
+
+typedef walk_rc_t (*gbp_vxlan_cb_t) (gbp_vxlan_tunnel_t * gt, void *ctx);
+extern void gbp_vxlan_walk (gbp_vxlan_cb_t cb, void *ctx);
+
+extern u8 *format_gbp_vxlan_tunnel (u8 * s, va_list * args);
+extern u8 *format_gbp_vxlan_tunnel_layer (u8 * s, va_list * args);
+
+#endif
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */