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authorNeale Ranns <nranns@cisco.com>2018-11-07 09:25:54 -0800
committerDamjan Marion <dmarion@me.com>2018-11-15 17:22:55 +0000
commit13a08cc0984496d50722ffb75e2f48c5d84fb9a7 (patch)
treeee1088dbe24d45ee725134ca5589acaf70ffc6d0 /src/plugins/gbp/gbp_endpoint.h
parent96e2d4407b1538d8df4e277ba33b85876589e198 (diff)
GBP: redirect contracts
Change-Id: I463b153de93cfec29a9c15e8e84e41f6003d4c5f Signed-off-by: Neale Ranns <nranns@cisco.com>
Diffstat (limited to 'src/plugins/gbp/gbp_endpoint.h')
-rw-r--r--src/plugins/gbp/gbp_endpoint.h166
1 files changed, 131 insertions, 35 deletions
diff --git a/src/plugins/gbp/gbp_endpoint.h b/src/plugins/gbp/gbp_endpoint.h
index bd157c99f1b..d56e91daa99 100644
--- a/src/plugins/gbp/gbp_endpoint.h
+++ b/src/plugins/gbp/gbp_endpoint.h
@@ -54,65 +54,152 @@ typedef enum gbp_endpoint_flags_t_
extern u8 *format_gbp_endpoint_flags (u8 * s, va_list * args);
/**
- * A Group Based Policy Endpoint.
- * This is typically a VM or container. If the endpoint is local (i.e. on
- * the same compute node as VPP) then there is one interface per-endpoint.
- * If the EP is remote,e.g. reachable over a [vxlan] tunnel, then there
- * will be multiple EPs reachable over the tunnel and they can be distinguished
- * via either their MAC or IP Address[es].
+ * Sources of Endpoints in priority order. The best (lowest value) source
+ * provides the forwarding information
*/
-typedef struct gbp_endpoint_t_
+#define foreach_gbp_endpoint_src \
+ _(CP, "control-plane") \
+ _(DP, "data-plane") \
+ _(RR, "recursive-resolution")
+
+typedef enum gbp_endpoint_src_t_
+{
+#define _(v,s) GBP_ENDPOINT_SRC_##v,
+ foreach_gbp_endpoint_src
+#undef _
+} gbp_endpoint_src_t;
+
+#define GBP_ENDPOINT_SRC_MAX (GBP_ENDPOINT_SRC_RR+1)
+
+extern u8 *format_gbp_endpoint_src (u8 * s, va_list * args);
+
+/**
+ * This is the identity of an endpoint, as such it is information
+ * about an endpoint that is idempotent.
+ * The ID is used to add the EP into the various data-bases for retrieval.
+ */
+typedef struct gbp_endpoint_key_t_
{
/**
- * The interface on which the EP is connected
+ * A vector of ip addresses that belong to the endpoint.
+ * Together with the route EPG's RD this forms the EP's L3 key
*/
- index_t ge_itf;
- u32 ge_sw_if_index;
+ fib_prefix_t *gek_ips;
/**
- * A vector of ip addresses that below to the endpoint
+ * MAC address of the endpoint.
+ * Together with the route EPG's BD this forms the EP's L2 key
*/
- const ip46_address_t *ge_ips;
+ mac_address_t gek_mac;
/**
- * MAC address of the endpoint
+ * Index of the Bridge-Domain
*/
- mac_address_t ge_mac;
+ index_t gek_gbd;
/**
- * Index of the Endpoint's Group
+ * Index of the Route-Domain
*/
- index_t ge_epg;
+ index_t gek_grd;
+} gbp_endpoint_key_t;
+
+/**
+ * Information about the location of the endpoint provided by a source
+ * of endpoints
+ */
+typedef struct gbp_endpoint_loc_t_
+{
+ /**
+ * The source providing this location information
+ */
+ gbp_endpoint_src_t gel_src;
/**
- * Endpoint Group's ID
+ * The interface on which the EP is connected
*/
- index_t ge_epg_id;
+ u32 gel_sw_if_index;
/**
* Endpoint flags
*/
- gbp_endpoint_flags_t ge_flags;
+ gbp_endpoint_flags_t gel_flags;
/**
- * The L3 adj, if created
+ * Endpoint Group.
*/
- index_t *ge_adjs;
+ index_t gel_epg;
/**
- * The last time a packet from seen from this end point
+ * number of times this source has locked this
*/
- f64 ge_last_time;
+ u32 gel_locks;
/**
* Tunnel info for remote endpoints
*/
struct
{
- u32 ge_parent_sw_if_index;
- ip46_address_t ge_src;
- ip46_address_t ge_dst;
+ u32 gel_parent_sw_if_index;
+ ip46_address_t gel_src;
+ ip46_address_t gel_dst;
} tun;
+} gbp_endpoint_loc_t;
+
+/**
+ * And endpoints current forwarding state
+ */
+typedef struct gbp_endpoint_fwd_t_
+{
+ /**
+ * The interface on which the EP is connected
+ */
+ index_t gef_itf;
+
+ /**
+ * The L3 adj, if created
+ */
+ index_t *gef_adjs;
+
+ /**
+ * Endpoint Group's ID. cached for fast DP access.
+ */
+ epg_id_t gef_epg_id;
+
+ gbp_endpoint_flags_t gef_flags;
+} gbp_endpoint_fwd_t;
+
+/**
+ * A Group Based Policy Endpoint.
+ * This is typically a VM or container. If the endpoint is local (i.e. on
+ * the same compute node as VPP) then there is one interface per-endpoint.
+ * If the EP is remote,e.g. reachable over a [vxlan] tunnel, then there
+ * will be multiple EPs reachable over the tunnel and they can be distinguished
+ * via either their MAC or IP Address[es].
+ */
+typedef struct gbp_endpoint_t_
+{
+ /**
+ * A FIB node that allows the tracking of children.
+ */
+ fib_node_t ge_node;
+
+ /**
+ * The key/ID of this EP
+ */
+ gbp_endpoint_key_t ge_key;
+
+ /**
+ * Location information provided by the various sources.
+ * These are sorted based on source priority.
+ */
+ gbp_endpoint_loc_t *ge_locs;
+
+ gbp_endpoint_fwd_t ge_fwd;
+
+ /**
+ * The last time a packet from seen from this end point
+ */
+ f64 ge_last_time;
} gbp_endpoint_t;
extern u8 *format_gbp_endpoint (u8 * s, va_list * args);
@@ -127,22 +214,31 @@ typedef struct gbp_ep_by_ip_itf_db_t_
clib_bihash_16_8_t ged_by_mac_bd;
} gbp_ep_db_t;
-extern int gbp_endpoint_update (u32 sw_if_index,
- const ip46_address_t * ip,
- const mac_address_t * mac,
- epg_id_t epg_id,
- gbp_endpoint_flags_t flags,
- const ip46_address_t * tun_src,
- const ip46_address_t * tun_dst, u32 * handle);
-extern void gbp_endpoint_delete (index_t gbpei);
+extern int gbp_endpoint_update_and_lock (gbp_endpoint_src_t src,
+ u32 sw_if_index,
+ const ip46_address_t * ip,
+ const mac_address_t * mac,
+ index_t gbd, index_t grd,
+ epg_id_t epg_id,
+ gbp_endpoint_flags_t flags,
+ const ip46_address_t * tun_src,
+ const ip46_address_t * tun_dst,
+ u32 * handle);
+extern void gbp_endpoint_unlock (gbp_endpoint_src_t src, index_t gbpei);
+extern u32 gbp_endpoint_child_add (index_t gei,
+ fib_node_type_t type,
+ fib_node_index_t index);
+extern void gbp_endpoint_child_remove (index_t gei, u32 sibling);
typedef walk_rc_t (*gbp_endpoint_cb_t) (index_t gbpei, void *ctx);
extern void gbp_endpoint_walk (gbp_endpoint_cb_t cb, void *ctx);
extern void gbp_endpoint_scan (vlib_main_t * vm);
extern f64 gbp_endpoint_scan_threshold (void);
extern int gbp_endpoint_is_remote (const gbp_endpoint_t * ge);
+extern int gbp_endpoint_is_learnt (const gbp_endpoint_t * ge);
+
-extern void gbp_endpoint_flush (u32 sw_if_index);
+extern void gbp_endpoint_flush (gbp_endpoint_src_t src, u32 sw_if_index);
/**
* DP functions and databases