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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_endpoint.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_endpoint.h')
-rw-r--r--src/plugins/gbp/gbp_endpoint.h187
1 files changed, 160 insertions, 27 deletions
diff --git a/src/plugins/gbp/gbp_endpoint.h b/src/plugins/gbp/gbp_endpoint.h
index c92b2172594..bd157c99f1b 100644
--- a/src/plugins/gbp/gbp_endpoint.h
+++ b/src/plugins/gbp/gbp_endpoint.h
@@ -28,13 +28,31 @@
/**
* Flags for each endpoint
*/
+typedef enum gbp_endpoint_attr_t_
+{
+ GBP_ENDPOINT_ATTR_FIRST = 0,
+ GBP_ENDPOINT_ATTR_BOUNCE = GBP_ENDPOINT_ATTR_FIRST,
+ GBP_ENDPOINT_ATTR_REMOTE = 1,
+ GBP_ENDPOINT_ATTR_LEARNT = 2,
+ GBP_ENDPOINT_ATTR_LAST,
+} gbp_endpoint_attr_t;
+
typedef enum gbp_endpoint_flags_t_
{
GBP_ENDPOINT_FLAG_NONE = 0,
- GBP_ENDPOINT_FLAG_BOUNCE = (1 << 0),
- GBP_ENDPOINT_FLAG_DYNAMIC = (1 << 1),
+ GBP_ENDPOINT_FLAG_BOUNCE = (1 << GBP_ENDPOINT_ATTR_BOUNCE),
+ GBP_ENDPOINT_FLAG_REMOTE = (1 << GBP_ENDPOINT_ATTR_REMOTE),
+ GBP_ENDPOINT_FLAG_LEARNT = (1 << GBP_ENDPOINT_ATTR_LEARNT),
} gbp_endpoint_flags_t;
+#define GBP_ENDPOINT_ATTR_NAMES { \
+ [GBP_ENDPOINT_ATTR_BOUNCE] = "bounce", \
+ [GBP_ENDPOINT_ATTR_REMOTE] = "remote", \
+ [GBP_ENDPOINT_ATTR_LEARNT] = "learnt", \
+}
+
+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
@@ -48,12 +66,13 @@ typedef struct gbp_endpoint_t_
/**
* The interface on which the EP is connected
*/
+ index_t ge_itf;
u32 ge_sw_if_index;
/**
* A vector of ip addresses that below to the endpoint
*/
- ip46_address_t *ge_ips;
+ const ip46_address_t *ge_ips;
/**
* MAC address of the endpoint
@@ -61,52 +80,74 @@ typedef struct gbp_endpoint_t_
mac_address_t ge_mac;
/**
- * The endpoint's designated EPG
+ * Index of the Endpoint's Group
+ */
+ index_t ge_epg;
+
+ /**
+ * Endpoint Group's ID
*/
- epg_id_t ge_epg_id;
+ index_t ge_epg_id;
/**
* Endpoint flags
*/
gbp_endpoint_flags_t ge_flags;
+
+ /**
+ * The L3 adj, if created
+ */
+ index_t *ge_adjs;
+
+ /**
+ * The last time a packet from seen from this end point
+ */
+ f64 ge_last_time;
+
+ /**
+ * Tunnel info for remote endpoints
+ */
+ struct
+ {
+ u32 ge_parent_sw_if_index;
+ ip46_address_t ge_src;
+ ip46_address_t ge_dst;
+ } tun;
} gbp_endpoint_t;
extern u8 *format_gbp_endpoint (u8 * s, va_list * args);
/**
- * Interface to source EPG DB - a per-interface vector
+ * GBP Endpoint Databases
*/
-typedef struct gbp_ep_by_itf_db_t_
-{
- index_t *gte_vec;
-} gbp_ep_by_itf_db_t;
-
typedef struct gbp_ep_by_ip_itf_db_t_
{
- clib_bihash_24_8_t gte_table;
-} gbp_ep_by_ip_itf_db_t;
-
-typedef struct gbp_ep_by_mac_itf_db_t_
-{
- clib_bihash_16_8_t gte_table;
-} gbp_ep_by_mac_itf_db_t;
+ index_t *ged_by_sw_if_index;
+ clib_bihash_24_8_t ged_by_ip_rd;
+ 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, u32 * handle);
-extern void gbp_endpoint_delete (u32 handle);
+ 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);
-typedef walk_rc_t (*gbp_endpoint_cb_t) (gbp_endpoint_t * gbpe, void *ctx);
+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 void gbp_endpoint_flush (u32 sw_if_index);
/**
* DP functions and databases
*/
-extern gbp_ep_by_itf_db_t gbp_ep_by_itf_db;
-extern gbp_ep_by_mac_itf_db_t gbp_ep_by_mac_itf_db;
-extern gbp_ep_by_ip_itf_db_t gbp_ep_by_ip_itf_db;
+extern gbp_ep_db_t gbp_ep_db;
extern gbp_endpoint_t *gbp_endpoint_pool;
/**
@@ -118,12 +159,104 @@ gbp_endpoint_get (index_t gbpei)
return (pool_elt_at_index (gbp_endpoint_pool, gbpei));
}
-always_inline gbp_endpoint_t *
-gbp_endpoint_get_itf (u32 sw_if_index)
+static_always_inline void
+gbp_endpoint_mk_key_mac (const u8 * mac,
+ u32 bd_index, clib_bihash_kv_16_8_t * key)
{
- return (gbp_endpoint_get (gbp_ep_by_itf_db.gte_vec[sw_if_index]));
+ key->key[0] = ethernet_mac_address_u64 (mac);
+ key->key[1] = bd_index;
}
+static_always_inline gbp_endpoint_t *
+gbp_endpoint_find_mac (const u8 * mac, u32 bd_index)
+{
+ clib_bihash_kv_16_8_t key, value;
+ int rv;
+
+ gbp_endpoint_mk_key_mac (mac, bd_index, &key);
+
+ rv = clib_bihash_search_16_8 (&gbp_ep_db.ged_by_mac_bd, &key, &value);
+
+ if (0 != rv)
+ return NULL;
+
+ return (gbp_endpoint_get (value.value));
+}
+
+static_always_inline void
+gbp_endpoint_mk_key_ip (const ip46_address_t * ip,
+ u32 fib_index, clib_bihash_kv_24_8_t * key)
+{
+ key->key[0] = ip->as_u64[0];
+ key->key[1] = ip->as_u64[1];
+ key->key[2] = fib_index;
+}
+
+static_always_inline void
+gbp_endpoint_mk_key_ip4 (const ip4_address_t * ip,
+ u32 fib_index, clib_bihash_kv_24_8_t * key)
+{
+ const ip46_address_t a = {
+ .ip4 = *ip,
+ };
+ gbp_endpoint_mk_key_ip (&a, fib_index, key);
+}
+
+static_always_inline gbp_endpoint_t *
+gbp_endpoint_find_ip4 (const ip4_address_t * ip, u32 fib_index)
+{
+ clib_bihash_kv_24_8_t key, value;
+ int rv;
+
+ gbp_endpoint_mk_key_ip4 (ip, fib_index, &key);
+
+ rv = clib_bihash_search_24_8 (&gbp_ep_db.ged_by_ip_rd, &key, &value);
+
+ if (0 != rv)
+ return NULL;
+
+ return (gbp_endpoint_get (value.value));
+}
+
+static_always_inline void
+gbp_endpoint_mk_key_ip6 (const ip6_address_t * ip,
+ u32 fib_index, clib_bihash_kv_24_8_t * key)
+{
+ key->key[0] = ip->as_u64[0];
+ key->key[1] = ip->as_u64[1];
+ key->key[2] = fib_index;
+}
+
+static_always_inline gbp_endpoint_t *
+gbp_endpoint_find_ip6 (const ip6_address_t * ip, u32 fib_index)
+{
+ clib_bihash_kv_24_8_t key, value;
+ int rv;
+
+ gbp_endpoint_mk_key_ip6 (ip, fib_index, &key);
+
+ rv = clib_bihash_search_24_8 (&gbp_ep_db.ged_by_ip_rd, &key, &value);
+
+ if (0 != rv)
+ return NULL;
+
+ return (gbp_endpoint_get (value.value));
+}
+
+static_always_inline gbp_endpoint_t *
+gbp_endpoint_find_itf (u32 sw_if_index)
+{
+ index_t gei;
+
+ gei = gbp_ep_db.ged_by_sw_if_index[sw_if_index];
+
+ if (INDEX_INVALID != gei)
+ return (gbp_endpoint_get (gei));
+
+ return (NULL);
+}
+
+
#endif
/*