flow-hash: Add symmetric flag for flow hashing

[vpp.git] / src / vnet / ip / lookup.h

diff --git a/src/vnet/ip/lookup.h b/src/vnet/ip/lookup.h
index 941a6df..4c598e3 100644 (file)
--- a/src/vnet/ip/lookup.h
+++ b/src/vnet/ip/lookup.h
@@ -64,6 +64,7 @@
 #define IP_FLOW_HASH_SRC_PORT (1<<3)
 #define IP_FLOW_HASH_DST_PORT (1<<4)
 #define IP_FLOW_HASH_REVERSE_SRC_DST (1<<5)
+#define IP_FLOW_HASH_SYMMETRIC (1<<6)
 
 /** Default: 5-tuple without the "reverse" bit */
 #define IP_FLOW_HASH_DEFAULT (0x1F)
@@ -74,7 +75,8 @@ _(dst, IP_FLOW_HASH_DST_ADDR)                   \
 _(sport, IP_FLOW_HASH_SRC_PORT)                 \
 _(dport, IP_FLOW_HASH_DST_PORT)                 \
 _(proto, IP_FLOW_HASH_PROTO)                   \
-_(reverse, IP_FLOW_HASH_REVERSE_SRC_DST)
+_(reverse, IP_FLOW_HASH_REVERSE_SRC_DST)       \
+_(symmetric, IP_FLOW_HASH_SYMMETRIC)
 
 /**
  * A flow hash configuration is a mask of the flow hash options
@@ -93,9 +95,6 @@ typedef struct
   /* Interface which has this address. */
   u32 sw_if_index;
 
-  /* Adjacency for neighbor probe (ARP) for this interface address. */
-  u32 neighbor_probe_adj_index;
-
   /* Address (prefix) length for this interface. */
   u16 address_length;
 
@@ -114,6 +113,7 @@ typedef enum
   IP_LOCAL_NEXT_PUNT,
   IP_LOCAL_NEXT_UDP_LOOKUP,
   IP_LOCAL_NEXT_ICMP,
+  IP_LOCAL_NEXT_REASSEMBLY,
   IP_LOCAL_N_NEXT,
 } ip_local_next_t;
 
@@ -181,7 +181,7 @@ ip_interface_address_get_address (ip_lookup_main_t * lm,
 /* *INDENT-OFF* */
 #define foreach_ip_interface_address(lm,a,sw_if_index,loop,body)        \
 do {                                                                    \
-    vnet_main_t *_vnm = vnet_get_main();                                     \
+    vnet_main_t *_vnm = vnet_get_main();                                \
     u32 _sw_if_index = sw_if_index;                                     \
     vnet_sw_interface_t *_swif;                                         \
     _swif = vnet_get_sw_interface (_vnm, _sw_if_index);                 \
@@ -189,13 +189,20 @@ do {                                                                    \
     /*                                                                  \
      * Loop => honor unnumbered interface addressing.                   \
      */                                                                 \
-    if (loop && _swif->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED)       \
-      _sw_if_index = _swif->unnumbered_sw_if_index;                     \
-    u32 _ia =                                                           \
-      (vec_len((lm)->if_address_pool_index_by_sw_if_index)              \
-       > (_sw_if_index))                                                \
-        ? vec_elt ((lm)->if_address_pool_index_by_sw_if_index,          \
-                   (_sw_if_index)) : (u32)~0;                           \
+    if (_swif->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED)               \
+      {                                                                 \
+        if (loop)                                                       \
+          _sw_if_index = _swif->unnumbered_sw_if_index;                 \
+        else                                                            \
+          /* the interface is unnumbered, by the caller does not want   \
+           * unnumbered interfaces considered/honoured */               \
+          break;                                                        \
+      }                                                                 \
+    u32 _ia = ((vec_len((lm)->if_address_pool_index_by_sw_if_index)     \
+                > (_sw_if_index)) ?                                     \
+               vec_elt ((lm)->if_address_pool_index_by_sw_if_index,     \
+                        (_sw_if_index)) :                               \
+               (u32)~0);                                                \
     ip_interface_address_t * _a;                                        \
     while (_ia != ~0)                                                   \
     {                                                                   \
@@ -207,10 +214,37 @@ do {                                                                    \
 } while (0)
 /* *INDENT-ON* */
 
+always_inline void
+ip_lookup_set_buffer_fib_index (u32 * fib_index_by_sw_if_index,
+                               vlib_buffer_t * b)
+{
+  /* *INDENT-OFF* */
+  vnet_buffer (b)->ip.fib_index =
+    vec_elt (fib_index_by_sw_if_index, vnet_buffer (b)->sw_if_index[VLIB_RX]);
+  vnet_buffer (b)->ip.fib_index =
+    ((vnet_buffer (b)->sw_if_index[VLIB_TX] ==  (u32) ~ 0) ?
+     vnet_buffer (b)->ip.fib_index :
+     vnet_buffer (b)->sw_if_index[VLIB_TX]);
+  /* *INDENT-ON* */
+}
+
+typedef struct _vnet_ip_container_proxy_args
+{
+  fib_prefix_t prefix;
+  u32 sw_if_index;
+  u8 is_add;
+} vnet_ip_container_proxy_args_t;
+
+clib_error_t *vnet_ip_container_proxy_add_del (vnet_ip_container_proxy_args_t
+                                              * args);
+
+typedef int (*ip_container_proxy_cb_t) (const fib_prefix_t * pfx,
+                                       u32 sw_if_index, void *ctx);
+void ip_container_proxy_walk (ip_container_proxy_cb_t cb, void *ctx);
+
 void ip_lookup_init (ip_lookup_main_t * lm, u32 ip_lookup_node_index);
 
 #endif /* included_ip_lookup_h */
-
 /*
  * fd.io coding-style-patch-verification: ON
  *