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-rw-r--r--src/vnet/tunnel/tunnel_dp.h57
1 files changed, 57 insertions, 0 deletions
diff --git a/src/vnet/tunnel/tunnel_dp.h b/src/vnet/tunnel/tunnel_dp.h
index a00a3b3e222..f84e764f7ea 100644
--- a/src/vnet/tunnel/tunnel_dp.h
+++ b/src/vnet/tunnel/tunnel_dp.h
@@ -34,6 +34,41 @@ tunnel_encap_fixup_4o4 (tunnel_encap_decap_flags_t flags,
}
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 (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 ((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_6o4 (tunnel_encap_decap_flags_t flags,
const ip6_header_t * inner, ip4_header_t * outer)
{
@@ -44,6 +79,28 @@ tunnel_encap_fixup_6o4 (tunnel_encap_decap_flags_t flags,
}
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 (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)
{