ip: Replace Sematics for Interface IP addresses

[vpp.git] / src / vnet / vxlan-gbp / decap.c

diff --git a/src/vnet/vxlan-gbp/decap.c b/src/vnet/vxlan-gbp/decap.c
index 7dc8d25..927c778 100644 (file)
--- a/src/vnet/vxlan-gbp/decap.c
+++ b/src/vnet/vxlan-gbp/decap.c
@@ -16,7 +16,7 @@
  */
 
 #include <vlib/vlib.h>
-#include <vnet/pg/pg.h>
+
 #include <vnet/vxlan-gbp/vxlan_gbp.h>
 
 typedef struct
@@ -76,9 +76,11 @@ vxlan4_gbp_find_tunnel (vxlan_gbp_main_t * vxm, last_tunnel_cache4 * cache,
   vxlan4_gbp_tunnel_key_t key4;
   int rv;
 
-  key4.key[1] = ((u64) fib_index << 32) | vxlan_gbp0->vni_reserved;
-  key4.key[0] = (((u64) ip4_0->dst_address.as_u32 << 32) |
-                ip4_0->src_address.as_u32);
+  key4.key[1] = (((u64) fib_index << 32) |
+                (vxlan_gbp0->vni_reserved &
+                 clib_host_to_net_u32 (0xffffff00)));
+  key4.key[0] =
+    (((u64) ip4_0->dst_address.as_u32 << 32) | ip4_0->src_address.as_u32);
 
   if (PREDICT_FALSE (key4.key[0] != cache->key[0] ||
                     key4.key[1] != cache->key[1]))
@@ -122,7 +124,9 @@ vxlan6_gbp_find_tunnel (vxlan_gbp_main_t * vxm, last_tunnel_cache6 * cache,
     .key = {
            [0] = ip6_0->src_address.as_u64[0],
            [1] = ip6_0->src_address.as_u64[1],
-           [2] = (((u64) fib_index) << 32) | vxlan_gbp0->vni_reserved,
+           [2] = ((((u64) fib_index) << 32) |
+                  (vxlan_gbp0->vni_reserved &
+                   clib_host_to_net_u32 (0xffffff00))),
            }
   };
   int rv;
@@ -293,13 +297,13 @@ vxlan_gbp_input (vlib_main_t * vm,
          vlib_buffer_advance (b0, sizeof *vxlan_gbp0);
          vlib_buffer_advance (b1, sizeof *vxlan_gbp1);
 
+         u8 i_and_g0 = ((flags0 & VXLAN_GBP_FLAGS_GI) == VXLAN_GBP_FLAGS_GI);
+         u8 i_and_g1 = ((flags1 & VXLAN_GBP_FLAGS_GI) == VXLAN_GBP_FLAGS_GI);
+
          /* Validate VXLAN_GBP tunnel encap-fib index against packet */
-         if (PREDICT_FALSE
-             (t0 == NULL
-              || flags0 != (VXLAN_GBP_FLAGS_I | VXLAN_GBP_FLAGS_G)))
+         if (PREDICT_FALSE (t0 == NULL || !i_and_g0))
            {
-             if (t0 != NULL
-                 && flags0 != (VXLAN_GBP_FLAGS_I | VXLAN_GBP_FLAGS_G))
+             if (t0 != NULL && !i_and_g0)
                {
                  error0 = VXLAN_GBP_ERROR_BAD_FLAGS;
                  vlib_increment_combined_counter
@@ -309,7 +313,13 @@ vxlan_gbp_input (vlib_main_t * vm,
              else
                {
                  error0 = VXLAN_GBP_ERROR_NO_SUCH_TUNNEL;
-                 next0 = VXLAN_GBP_INPUT_NEXT_NO_TUNNEL;
+                 next0 = VXLAN_GBP_INPUT_NEXT_PUNT;
+                 if (is_ip4)
+                   b0->punt_reason =
+                     vxm->punt_no_such_tunnel[FIB_PROTOCOL_IP4];
+                 else
+                   b0->punt_reason =
+                     vxm->punt_no_such_tunnel[FIB_PROTOCOL_IP6];
                }
              b0->error = node->errors[error0];
            }
@@ -324,15 +334,14 @@ vxlan_gbp_input (vlib_main_t * vm,
              pkts_decapsulated++;
            }
 
-         vnet_buffer2 (b0)->gbp.flags = vxlan_gbp_get_gpflags (vxlan_gbp0);
+         vnet_buffer2 (b0)->gbp.flags = (vxlan_gbp_get_gpflags (vxlan_gbp0) |
+                                         VXLAN_GBP_GPFLAGS_R);
          vnet_buffer2 (b0)->gbp.sclass = vxlan_gbp_get_sclass (vxlan_gbp0);
 
 
-         if (PREDICT_FALSE
-             (t1 == 0 || flags1 != (VXLAN_GBP_FLAGS_I | VXLAN_GBP_FLAGS_G)))
+         if (PREDICT_FALSE (t1 == NULL || !i_and_g1))
            {
-             if (t1 != 0
-                 && flags1 != (VXLAN_GBP_FLAGS_I | VXLAN_GBP_FLAGS_G))
+             if (t1 != NULL && !i_and_g1)
                {
                  error1 = VXLAN_GBP_ERROR_BAD_FLAGS;
                  vlib_increment_combined_counter
@@ -342,7 +351,13 @@ vxlan_gbp_input (vlib_main_t * vm,
              else
                {
                  error1 = VXLAN_GBP_ERROR_NO_SUCH_TUNNEL;
-                 next1 = VXLAN_GBP_INPUT_NEXT_NO_TUNNEL;
+                 next1 = VXLAN_GBP_INPUT_NEXT_PUNT;
+                 if (is_ip4)
+                   b1->punt_reason =
+                     vxm->punt_no_such_tunnel[FIB_PROTOCOL_IP4];
+                 else
+                   b1->punt_reason =
+                     vxm->punt_no_such_tunnel[FIB_PROTOCOL_IP6];
                }
              b1->error = node->errors[error1];
            }
@@ -358,7 +373,9 @@ vxlan_gbp_input (vlib_main_t * vm,
                (rx_counter, thread_index, t1->sw_if_index, 1, len1);
            }
 
-         vnet_buffer2 (b1)->gbp.flags = vxlan_gbp_get_gpflags (vxlan_gbp1);
+         vnet_buffer2 (b1)->gbp.flags = (vxlan_gbp_get_gpflags (vxlan_gbp1) |
+                                         VXLAN_GBP_GPFLAGS_R);
+
          vnet_buffer2 (b1)->gbp.sclass = vxlan_gbp_get_sclass (vxlan_gbp1);
 
          vnet_update_l2_len (b0);
@@ -428,13 +445,13 @@ vxlan_gbp_input (vlib_main_t * vm,
 
          /* pop (ip, udp, vxlan_gbp) */
          vlib_buffer_advance (b0, sizeof (*vxlan_gbp0));
+
+         u8 i_and_g0 = ((flags0 & VXLAN_GBP_FLAGS_GI) == VXLAN_GBP_FLAGS_GI);
+
          /* Validate VXLAN_GBP tunnel encap-fib index against packet */
-         if (PREDICT_FALSE
-             (t0 == NULL
-              || flags0 != (VXLAN_GBP_FLAGS_I | VXLAN_GBP_FLAGS_G)))
+         if (PREDICT_FALSE (t0 == NULL || !i_and_g0))
            {
-             if (t0 != NULL
-                 && flags0 != (VXLAN_GBP_FLAGS_I | VXLAN_GBP_FLAGS_G))
+             if (t0 != NULL && !i_and_g0)
                {
                  error0 = VXLAN_GBP_ERROR_BAD_FLAGS;
                  vlib_increment_combined_counter
@@ -444,7 +461,13 @@ vxlan_gbp_input (vlib_main_t * vm,
              else
                {
                  error0 = VXLAN_GBP_ERROR_NO_SUCH_TUNNEL;
-                 next0 = VXLAN_GBP_INPUT_NEXT_NO_TUNNEL;
+                 next0 = VXLAN_GBP_INPUT_NEXT_PUNT;
+                 if (is_ip4)
+                   b0->punt_reason =
+                     vxm->punt_no_such_tunnel[FIB_PROTOCOL_IP4];
+                 else
+                   b0->punt_reason =
+                     vxm->punt_no_such_tunnel[FIB_PROTOCOL_IP6];
                }
              b0->error = node->errors[error0];
            }
@@ -458,7 +481,9 @@ vxlan_gbp_input (vlib_main_t * vm,
              vlib_increment_combined_counter
                (rx_counter, thread_index, t0->sw_if_index, 1, len0);
            }
-         vnet_buffer2 (b0)->gbp.flags = vxlan_gbp_get_gpflags (vxlan_gbp0);
+         vnet_buffer2 (b0)->gbp.flags = (vxlan_gbp_get_gpflags (vxlan_gbp0) |
+                                         VXLAN_GBP_GPFLAGS_R);
+
          vnet_buffer2 (b0)->gbp.sclass = vxlan_gbp_get_sclass (vxlan_gbp0);
 
          /* Required to make the l2 tag push / pop code work on l2 subifs */