X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Ftunnel%2Ftunnel_dp.h;h=3db22a838b223b95c101c357ba6bbb00e8fc5645;hb=a91cb4590;hp=a00a3b3e2224caf19944a68468679945ba5b052d;hpb=4ec36c5535849a4e456ed99b57968d54d5e03b62;p=vpp.git

diff --git a/src/vnet/tunnel/tunnel_dp.h b/src/vnet/tunnel/tunnel_dp.h
index a00a3b3e222..3db22a838b2 100644
--- a/src/vnet/tunnel/tunnel_dp.h
+++ b/src/vnet/tunnel/tunnel_dp.h
@@ -19,55 +19,176 @@
 #define __TUNNEL_DP_H__
 
 #include <vnet/tunnel/tunnel.h>
+#include <vnet/mpls/mpls_lookup.h>
 
 static_always_inline void
 tunnel_encap_fixup_4o4 (tunnel_encap_decap_flags_t flags,
 			const ip4_header_t * inner, ip4_header_t * outer)
 {
-  if (flags & TUNNEL_ENCAP_DECAP_FLAG_ENCAP_COPY_DSCP)
+  if (PREDICT_FALSE (flags & TUNNEL_ENCAP_DECAP_FLAG_ENCAP_COPY_DSCP))
     ip4_header_set_dscp (outer, ip4_header_get_dscp (inner));
-  if (flags & TUNNEL_ENCAP_DECAP_FLAG_ENCAP_COPY_ECN)
+  if (PREDICT_FALSE (flags & TUNNEL_ENCAP_DECAP_FLAG_ENCAP_COPY_ECN))
     ip4_header_set_ecn (outer, ip4_header_get_ecn (inner));
-  if ((flags & TUNNEL_ENCAP_DECAP_FLAG_ENCAP_COPY_DF) &&
-      ip4_header_get_df (inner))
+  if (PREDICT_FALSE ((flags & TUNNEL_ENCAP_DECAP_FLAG_ENCAP_COPY_DF) &&
+		     ip4_header_get_df (inner)))
     ip4_header_set_df (outer);
+  if (PREDICT_FALSE (flags & TUNNEL_ENCAP_DECAP_FLAG_ENCAP_COPY_HOP_LIMIT))
+    ip4_header_set_ttl (outer, ip4_header_get_ttl (inner));
+}
+
+static_always_inline void
+tunnel_encap_fixup_4o4_w_chksum (tunnel_encap_decap_flags_t flags,
+				 const ip4_header_t * inner,
+				 ip4_header_t * outer)
+{
+  if (PREDICT_FALSE (flags & (TUNNEL_ENCAP_DECAP_FLAG_ENCAP_COPY_DSCP |
+			      TUNNEL_ENCAP_DECAP_FLAG_ENCAP_COPY_ECN)))
+    {
+      ip_csum_t sum = outer->checksum;
+      u8 tos = outer->tos;
+
+      if (flags & TUNNEL_ENCAP_DECAP_FLAG_ENCAP_COPY_DSCP)
+	ip4_header_set_dscp (outer, ip4_header_get_dscp (inner));
+      if (flags & TUNNEL_ENCAP_DECAP_FLAG_ENCAP_COPY_ECN)
+	ip4_header_set_ecn (outer, ip4_header_get_ecn (inner));
+
+      sum =
+	ip_csum_update (outer->checksum, tos, outer->tos, ip4_header_t, tos);
+      outer->checksum = ip_csum_fold (sum);
+    }
+  if (PREDICT_FALSE ((flags & TUNNEL_ENCAP_DECAP_FLAG_ENCAP_COPY_DF) &&
+		     ip4_header_get_df (inner)))
+    {
+      ip_csum_t sum = outer->checksum;
+      u16 tos = outer->flags_and_fragment_offset;
+
+      ip4_header_set_df (outer);
+
+      sum =
+	ip_csum_update (outer->checksum, tos, outer->tos, ip4_header_t,
+			flags_and_fragment_offset);
+      outer->checksum = ip_csum_fold (sum);
+    }
+}
+
+static_always_inline void
+tunnel_encap_fixup_mplso4_w_chksum (tunnel_encap_decap_flags_t flags,
+				    const mpls_unicast_header_t *inner,
+				    ip4_header_t *outer)
+{
+  if (flags & TUNNEL_ENCAP_DECAP_FLAG_ENCAP_COPY_DSCP)
+    {
+      ip_csum_t sum = outer->checksum;
+      u8 tos = outer->tos;
+
+      if (flags & TUNNEL_ENCAP_DECAP_FLAG_ENCAP_COPY_DSCP)
+	ip4_header_set_dscp (outer,
+			     vnet_mpls_uc_get_exp (inner->label_exp_s_ttl));
+
+      sum =
+	ip_csum_update (outer->checksum, tos, outer->tos, ip4_header_t, tos);
+      outer->checksum = ip_csum_fold (sum);
+    }
 }
 
 static_always_inline void
 tunnel_encap_fixup_6o4 (tunnel_encap_decap_flags_t flags,
 			const ip6_header_t * inner, ip4_header_t * outer)
 {
-  if (flags & TUNNEL_ENCAP_DECAP_FLAG_ENCAP_COPY_DSCP)
+  if (PREDICT_FALSE (flags & TUNNEL_ENCAP_DECAP_FLAG_ENCAP_COPY_DSCP))
     ip4_header_set_dscp (outer, ip6_dscp_network_order (inner));
-  if (flags & TUNNEL_ENCAP_DECAP_FLAG_ENCAP_COPY_ECN)
+  if (PREDICT_FALSE (flags & TUNNEL_ENCAP_DECAP_FLAG_ENCAP_COPY_ECN))
     ip4_header_set_ecn (outer, ip6_ecn_network_order ((inner)));
+  if (PREDICT_FALSE (flags & TUNNEL_ENCAP_DECAP_FLAG_ENCAP_COPY_HOP_LIMIT))
+    ip4_header_set_ttl (outer, ip6_hop_limit_network_order (inner));
+}
+
+static_always_inline void
+tunnel_encap_fixup_6o4_w_chksum (tunnel_encap_decap_flags_t flags,
+				 const ip6_header_t * inner,
+				 ip4_header_t * outer)
+{
+  if (PREDICT_FALSE (flags & (TUNNEL_ENCAP_DECAP_FLAG_ENCAP_COPY_DSCP |
+			      TUNNEL_ENCAP_DECAP_FLAG_ENCAP_COPY_ECN)))
+    {
+      ip_csum_t sum = outer->checksum;
+      u8 tos = outer->tos;
+
+      if (flags & TUNNEL_ENCAP_DECAP_FLAG_ENCAP_COPY_DSCP)
+	ip4_header_set_dscp (outer, ip6_dscp_network_order (inner));
+      if (flags & TUNNEL_ENCAP_DECAP_FLAG_ENCAP_COPY_ECN)
+	ip4_header_set_ecn (outer, ip6_ecn_network_order ((inner)));
+
+      sum =
+	ip_csum_update (outer->checksum, tos, outer->tos, ip4_header_t, tos);
+      outer->checksum = ip_csum_fold (sum);
+    }
 }
 
 static_always_inline void
 tunnel_encap_fixup_6o6 (tunnel_encap_decap_flags_t flags,
 			const ip6_header_t * inner, ip6_header_t * outer)
 {
-  if (flags & TUNNEL_ENCAP_DECAP_FLAG_ENCAP_COPY_DSCP)
+  if (PREDICT_FALSE (flags & TUNNEL_ENCAP_DECAP_FLAG_ENCAP_COPY_DSCP))
     ip6_set_dscp_network_order (outer, ip6_dscp_network_order (inner));
-  if (flags & TUNNEL_ENCAP_DECAP_FLAG_ENCAP_COPY_ECN)
+  if (PREDICT_FALSE (flags & TUNNEL_ENCAP_DECAP_FLAG_ENCAP_COPY_ECN))
     ip6_set_ecn_network_order (outer, ip6_ecn_network_order (inner));
+  if (PREDICT_FALSE (flags & TUNNEL_ENCAP_DECAP_FLAG_ENCAP_COPY_FLOW_LABEL))
+    ip6_set_flow_label_network_order (outer,
+				      ip6_flow_label_network_order (inner));
+  if (PREDICT_FALSE (flags & TUNNEL_ENCAP_DECAP_FLAG_ENCAP_COPY_HOP_LIMIT))
+    ip6_set_hop_limit_network_order (outer,
+				     ip6_hop_limit_network_order (inner));
 }
 
 static_always_inline void
 tunnel_encap_fixup_4o6 (tunnel_encap_decap_flags_t flags,
-			const ip4_header_t * inner, ip6_header_t * outer)
+			const vlib_buffer_t *b, const ip4_header_t *inner,
+			ip6_header_t *outer)
 {
-  if (flags & TUNNEL_ENCAP_DECAP_FLAG_ENCAP_COPY_DSCP)
+  if (PREDICT_FALSE (flags & TUNNEL_ENCAP_DECAP_FLAG_ENCAP_COPY_DSCP))
     ip6_set_dscp_network_order (outer, ip4_header_get_dscp (inner));
-  if (flags & TUNNEL_ENCAP_DECAP_FLAG_ENCAP_COPY_ECN)
+  if (PREDICT_FALSE (flags & TUNNEL_ENCAP_DECAP_FLAG_ENCAP_COPY_ECN))
     ip6_set_ecn_network_order (outer, ip4_header_get_ecn (inner));
+  if (PREDICT_FALSE (flags & TUNNEL_ENCAP_DECAP_FLAG_ENCAP_COPY_HOP_LIMIT))
+    ip6_set_hop_limit_network_order (outer, ip4_header_get_ttl (inner));
+  if (PREDICT_FALSE (flags & TUNNEL_ENCAP_DECAP_FLAG_ENCAP_COPY_FLOW_LABEL))
+    ip6_set_flow_label_network_order (
+      outer, (0 != vnet_buffer (b)->ip.flow_hash ?
+		vnet_buffer (b)->ip.flow_hash :
+		ip4_compute_flow_hash (inner, IP_FLOW_HASH_DEFAULT)));
+}
+
+static_always_inline void
+tunnel_encap_fixup_mplso6 (tunnel_encap_decap_flags_t flags,
+			   const vlib_buffer_t *b,
+			   const mpls_unicast_header_t *inner,
+			   ip6_header_t *outer)
+{
+  if (flags & TUNNEL_ENCAP_DECAP_FLAG_ENCAP_COPY_DSCP)
+    ip6_set_dscp_network_order (outer,
+				vnet_mpls_uc_get_exp (inner->label_exp_s_ttl));
+  if (PREDICT_FALSE (flags & TUNNEL_ENCAP_DECAP_FLAG_ENCAP_COPY_FLOW_LABEL))
+    ip6_set_flow_label_network_order (
+      outer, (0 != vnet_buffer (b)->ip.flow_hash ?
+		vnet_buffer (b)->ip.flow_hash :
+		mpls_compute_flow_hash (inner, IP_FLOW_HASH_DEFAULT)));
+}
+
+static_always_inline void
+tunnel_encap_fixup_mplso4 (tunnel_encap_decap_flags_t flags,
+			   const mpls_unicast_header_t *inner,
+			   ip4_header_t *outer)
+{
+  if (flags & TUNNEL_ENCAP_DECAP_FLAG_ENCAP_COPY_DSCP)
+    ip4_header_set_dscp (outer, vnet_mpls_uc_get_exp (inner->label_exp_s_ttl));
 }
 
 static_always_inline void
 tunnel_decap_fixup_4o6 (tunnel_encap_decap_flags_t flags,
 			ip4_header_t * inner, const ip6_header_t * outer)
 {
-  if (flags & TUNNEL_ENCAP_DECAP_FLAG_DECAP_COPY_ECN)
+  if (PREDICT_FALSE (flags & TUNNEL_ENCAP_DECAP_FLAG_DECAP_COPY_ECN))
     ip4_header_set_ecn_w_chksum (inner, ip6_ecn_network_order (outer));
 }
 
@@ -75,7 +196,7 @@ static_always_inline void
 tunnel_decap_fixup_6o6 (tunnel_encap_decap_flags_t flags,
 			ip6_header_t * inner, const ip6_header_t * outer)
 {
-  if (flags & TUNNEL_ENCAP_DECAP_FLAG_DECAP_COPY_ECN)
+  if (PREDICT_FALSE (flags & TUNNEL_ENCAP_DECAP_FLAG_DECAP_COPY_ECN))
     ip6_set_ecn_network_order (inner, ip6_ecn_network_order (outer));
 }
 
@@ -83,7 +204,7 @@ static_always_inline void
 tunnel_decap_fixup_6o4 (tunnel_encap_decap_flags_t flags,
 			ip6_header_t * inner, const ip4_header_t * outer)
 {
-  if (flags & TUNNEL_ENCAP_DECAP_FLAG_DECAP_COPY_ECN)
+  if (PREDICT_FALSE (flags & TUNNEL_ENCAP_DECAP_FLAG_DECAP_COPY_ECN))
     ip6_set_ecn_network_order (inner, ip4_header_get_ecn (outer));
 }
 
@@ -91,10 +212,24 @@ static_always_inline void
 tunnel_decap_fixup_4o4 (tunnel_encap_decap_flags_t flags,
 			ip4_header_t * inner, const ip4_header_t * outer)
 {
-  if (flags & TUNNEL_ENCAP_DECAP_FLAG_DECAP_COPY_ECN)
+  if (PREDICT_FALSE (flags & TUNNEL_ENCAP_DECAP_FLAG_DECAP_COPY_ECN))
     ip4_header_set_ecn_w_chksum (inner, ip4_header_get_ecn (outer));
 }
 
+static_always_inline void
+tunnel_decap_fixup_mplso6 (tunnel_encap_decap_flags_t flags,
+			   mpls_unicast_header_t *inner,
+			   const ip6_header_t *outer)
+{
+}
+
+static_always_inline void
+tunnel_decap_fixup_mplso4 (tunnel_encap_decap_flags_t flags,
+			   mpls_unicast_header_t *inner,
+			   const ip4_header_t *outer)
+{
+}
+
 #endif
 
 /*