acl-plugin: multicore: session management fixes

[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..5c55cb9 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
@@ -16,21 +18,20 @@
 #define TCP_FLAGS_ACKSYN (TCP_FLAG_SYN + TCP_FLAG_ACK)
 
 #define ACL_FA_CONN_TABLE_DEFAULT_HASH_NUM_BUCKETS (64 * 1024)
-#define ACL_FA_CONN_TABLE_DEFAULT_HASH_MEMORY_SIZE (1<<30)
-#define ACL_FA_CONN_TABLE_DEFAULT_MAX_ENTRIES 1000000
+#define ACL_FA_CONN_TABLE_DEFAULT_HASH_MEMORY_SIZE (1ULL<<30)
+#define ACL_FA_CONN_TABLE_DEFAULT_MAX_ENTRIES 500000
 
 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;
 
@@ -38,8 +39,16 @@ typedef union {
   u64 as_u64;
   struct {
     u16 port[2];
-    u16 proto;
-    u16 lsb_of_sw_if_index;
+    union {
+      struct {
+        u8 proto;
+        u8 is_input: 1;
+        u8 is_slowpath: 1;
+        u8 reserved0: 6;
+        u16 lsb_of_sw_if_index;
+      };
+      u32 non_port_l4_data;
+    };
   };
 } fa_session_l4_key_t;
 
@@ -53,6 +62,10 @@ 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 */
@@ -67,10 +80,15 @@ typedef struct {
   u32 link_prev_idx;      /* +4 bytes = 12 */
   u32 link_next_idx;      /* +4 bytes = 16 */
   u8 link_list_id;        /* +1 bytes = 17 */
-  u8 reserved1[7];        /* +7 bytes = 24 */
+  u8 deleted;             /* +1 bytes = 18 */
+  u8 reserved1[6];        /* +6 bytes = 24 */
   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 +98,7 @@ typedef struct {
     struct {
       u32 session_index;
       u16 thread_index;
-      u16 reserved0;
+      u16 intf_policy_epoch;
     };
   };
 } fa_full_session_id_t;
@@ -103,15 +121,21 @@ CT_ASSERT_EQUAL(fa_session_t_size_is_128, sizeof(fa_session_t), 128);
 CT_ASSERT_EQUAL(fa_full_session_id_size_is_64, sizeof(fa_full_session_id_t), sizeof(u64));
 #undef CT_ASSERT_EQUAL
 
+#define FA_SESSION_BOGUS_INDEX ~0
+
 typedef struct {
   /* The pool of sessions managed by this worker */
   fa_session_t *fa_sessions_pool;
   /* per-worker ACL_N_TIMEOUTS of conn lists */
   u32 *fa_conn_list_head;
   u32 *fa_conn_list_tail;
+  /* expiry time set whenever an element is enqueued */
+  u64 *fa_conn_list_head_expiry_time;
   /* 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 */