l2: input performance

Type: improvement

- cache the values form the BD on the input config to avoid loading
- avoid the short write long read on the sequence number
- use vlib_buffer_enqueue_to_next

Signed-off-by: Neale Ranns <nranns@cisco.com>
Change-Id: I33442b9104b457e4c638d26e9ad3bc965687a0bc

1 files changed, 10 insertions, 1 deletions

diff --git a/src/vnet/l2/l2_bd.h b/src/vnet/l2/l2_bd.h
index 35c0e0bf0a1..943358b4e15 100644
--- a/src/vnet/l2/l2_bd.h
+++ b/src/vnet/l2/l2_bd.h
@@ -139,7 +139,6 @@ bd_is_valid (l2_bridge_domain_t * bd_config)
 /* Init bridge domain if not done already */
 void bd_validate (l2_bridge_domain_t * bd_config);
 
-
 void
 bd_add_member (l2_bridge_domain_t * bd_config, l2_flood_member_t * member);
 
@@ -201,6 +200,16 @@ bd_find_or_add_bd_index (bd_main_t * bdm, u32 bd_id)
   return bd_index;
 }
 
+/**
+ * \brief Walk all the input interfaces in the BD
+ */
+typedef walk_rc_t (*bd_input_walk_fn_t) (u32 bd_index, u32 sw_if_index);
+
+u32 bd_input_walk (u32 bd_index, bd_input_walk_fn_t fn, void *data);
+
+l2_bridge_domain_t *bd_get (u32 bd_index);
+l2_bridge_domain_t *bd_get_by_table_id (u32 table_id);
+
 u32 bd_add_del_ip_mac (u32 bd_index,
 		       ip46_type_t type,
 		       const ip46_address_t * ip_addr,