acl-plugin: implement an optional session reclassification when ACL is (re-)applied

[vpp.git] / src / plugins / acl / fa_node.h

diff --git a/src/plugins/acl/fa_node.h b/src/plugins/acl/fa_node.h
index 7ef558e..263cf14 100644 (file)
--- a/src/plugins/acl/fa_node.h
+++ b/src/plugins/acl/fa_node.h
@@ -4,6 +4,8 @@
 #include <stddef.h>
 #include <vppinfra/bihash_40_8.h>
 
+// #define FA_NODE_VERBOSE_DEBUG 3
+
 #define TCP_FLAG_FIN    0x01
 #define TCP_FLAG_SYN    0x02
 #define TCP_FLAG_RST    0x04
@@ -22,15 +24,14 @@
 typedef union {
   u64 as_u64;
   struct {
-    u32 sw_if_index;
+    u32 lc_index;
     u16 mask_type_index_lsb;
     u8 tcp_flags;
     u8 tcp_flags_valid:1;
-    u8 is_input:1;
     u8 l4_valid:1;
     u8 is_nonfirst_fragment:1;
     u8 is_ip6:1;
-    u8 flags_reserved:3;
+    u8 flags_reserved:4;
   };
 } fa_packet_info_t;
 
@@ -53,6 +54,10 @@ typedef union {
   clib_bihash_kv_40_8_t kv;
 } fa_5tuple_t;
 
+typedef struct {
+  u8 opaque[sizeof(fa_5tuple_t)];
+} fa_5tuple_opaque_t;
+
 
 typedef struct {
   fa_5tuple_t info; /* (5+1)*8 = 48 bytes */
@@ -71,6 +76,10 @@ typedef struct {
   u64 reserved2[5];       /* +5*8 bytes = 64 */
 } fa_session_t;
 
+#define FA_POLICY_EPOCH_MASK 0x7fff
+/* input policy epochs have the MSB set */
+#define FA_POLICY_EPOCH_IS_INPUT 0x8000
+
 
 /* This structure is used to fill in the u64 value
    in the per-sw-if-index hash table */
@@ -80,7 +89,7 @@ typedef struct {
     struct {
       u32 session_index;
       u16 thread_index;
-      u16 reserved0;
+      u16 intf_policy_epoch;
     };
   };
 } fa_full_session_id_t;
@@ -112,6 +121,8 @@ typedef struct {
   /* adds and deletes per-worker-per-interface */
   u64 *fa_session_dels_by_sw_if_index;
   u64 *fa_session_adds_by_sw_if_index;
+  /* sessions deleted due to epoch change */
+  u64 *fa_session_epoch_change_by_sw_if_index;
   /* Vector of expired connections retrieved from lists */
   u32 *expired;
   /* the earliest next expiry time */