GBP V2
[vpp.git] / src / vnet / buffer.h
index 807cd28..86f7538 100644 (file)
@@ -63,7 +63,8 @@
   _(15, L3_HDR_OFFSET_VALID, 0)                                \
   _(16, L4_HDR_OFFSET_VALID, 0)                                \
   _(17, FLOW_REPORT, "flow-report")                    \
-  _(18, IS_DVR, "dvr")
+  _(18, IS_DVR, "dvr")                                  \
+  _(19, QOS_DATA_VALID, 0)
 
 #define VNET_BUFFER_FLAGS_VLAN_BITS \
   (VNET_BUFFER_F_VLAN_1_DEEP | VNET_BUFFER_F_VLAN_2_DEEP)
@@ -160,15 +161,24 @@ typedef struct
        } icmp;
 
        /* reassembly */
-       struct
+       union
        {
-         u16 fragment_first;
-         u16 fragment_last;
-         u16 range_first;
-         u16 range_last;
-         u32 next_range_bi;
-         u16 ip6_frag_hdr_offset;
-         u16 estimated_mtu;
+         /* in/out variables */
+         struct
+         {
+           u32 next_index;     /* index of next node - ignored if "feature" node */
+           u16 estimated_mtu;  /* estimated MTU calculated during reassembly */
+         };
+         /* internal variables used during reassembly */
+         struct
+         {
+           u16 fragment_first;
+           u16 fragment_last;
+           u16 range_first;
+           u16 range_last;
+           u32 next_range_bi;
+           u16 ip6_frag_hdr_offset;
+         };
        } reass;
       };
 
@@ -181,9 +191,13 @@ typedef struct
      */
     struct
     {
+      /* do not overlay w/ ip.adj_index[0,1] nor flow hash */
+      u32 pad[VLIB_N_RX_TX + 1];
       u8 ttl;
       u8 exp;
       u8 first;
+      /* Rewrite length */
+      u32 save_rewrite_length;
       /*
        * BIER - the nubmer of bytes in the header.
        *  the len field inthe header is not authoritative. It's the
@@ -333,6 +347,7 @@ typedef struct
       u16 hdr_offset;          /**< offset relative to ip hdr */
       u16 data_offset;         /**< offset relative to ip hdr */
       u16 data_len;            /**< data len */
+      u8 subconn_idx; /**< index of the sub_connection being used */
       u8 flags;
     } sctp;
 
@@ -359,16 +374,35 @@ STATIC_ASSERT (sizeof (vnet_buffer_opaque_t) <=
 /* Full cache line (64 bytes) of additional space */
 typedef struct
 {
+  /**
+   * QoS marking data that needs to persist from the recording nodes
+   * (nominally in the ingress path) to the marking node (in the
+   * egress path)
+   */
+  struct
+  {
+    u8 bits;
+    u8 source;
+  } qos;
+
+  u8 __unused[2];
+
+  /* Group Based Policy */
+  struct
+  {
+    u32 src_epg;
+  } gbp;
+
   union
   {
-#if VLIB_BUFFER_TRACE_TRAJECTORY > 0
-    /* buffer trajectory tracing */
     struct
     {
+#if VLIB_BUFFER_TRACE_TRAJECTORY > 0
+      /* buffer trajectory tracing */
       u16 *trajectory_trace;
-    };
 #endif
-    u32 unused[12];
+    };
+    u32 unused[10];
   };
 } vnet_buffer_opaque2_t;