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authorNeale Ranns <nranns@cisco.com>2020-12-21 09:52:24 +0000
committerNeale Ranns <neale@graphiant.com>2021-01-07 15:48:43 +0000
commite294de6f876587ddc34ab02771771aea60087adc (patch)
treea68640401fac25d1d137dd119dbb6a03c7938173 /src/vnet/tunnel/tunnel_dp.h
parenta9e2774f5561ccb77c8243a196f93f5070f6c5ad (diff)
ipip: Support MPLS over IP
Type: feature Signed-off-by: Neale Ranns <neale@graphiant.com> Change-Id: Ief1755131297afcaa14fe74fd8dd28c71a92fbe6
Diffstat (limited to 'src/vnet/tunnel/tunnel_dp.h')
-rw-r--r--src/vnet/tunnel/tunnel_dp.h33
1 files changed, 33 insertions, 0 deletions
diff --git a/src/vnet/tunnel/tunnel_dp.h b/src/vnet/tunnel/tunnel_dp.h
index f84e764f7ea..d6f07b5ec21 100644
--- a/src/vnet/tunnel/tunnel_dp.h
+++ b/src/vnet/tunnel/tunnel_dp.h
@@ -121,6 +121,25 @@ tunnel_encap_fixup_4o6 (tunnel_encap_decap_flags_t flags,
}
static_always_inline void
+tunnel_encap_fixup_mplso6 (tunnel_encap_decap_flags_t flags,
+ 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));
+}
+
+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)
{
@@ -152,6 +171,20 @@ tunnel_decap_fixup_4o4 (tunnel_encap_decap_flags_t flags,
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
/*