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path: root/src/vnet/ipsec/ah_encrypt.c
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-rw-r--r--src/vnet/ipsec/ah_encrypt.c71
1 files changed, 39 insertions, 32 deletions
diff --git a/src/vnet/ipsec/ah_encrypt.c b/src/vnet/ipsec/ah_encrypt.c
index a4c34917550..610b95e8ce7 100644
--- a/src/vnet/ipsec/ah_encrypt.c
+++ b/src/vnet/ipsec/ah_encrypt.c
@@ -116,8 +116,8 @@ typedef struct
* integrity check */
struct
{
- u8 hop_limit;
u32 ip_version_traffic_class_and_flow_label;
+ u8 hop_limit;
};
struct
{
@@ -125,8 +125,8 @@ typedef struct
u8 tos;
};
};
- i16 current_data;
u8 skip;
+ i16 current_data;
u32 sa_index;
} ah_encrypt_packet_data_t;
@@ -251,14 +251,14 @@ ah_encrypt_inline (vlib_main_t * vm,
oh6_0->ip6.ip_version_traffic_class_and_flow_label =
ih6_0->ip6.ip_version_traffic_class_and_flow_label;
- ip6_set_dscp_network_order (&oh6_0->ip6, sa0->dscp);
-
- tunnel_encap_fixup_6o6 (sa0->tunnel_flags,
- &ih6_0->ip6, &oh6_0->ip6);
-
+ if (PREDICT_FALSE (ipsec_sa_is_set_IS_TUNNEL (sa0)))
+ {
+ ip6_set_dscp_network_order (&oh6_0->ip6, sa0->tunnel.t_dscp);
+ tunnel_encap_fixup_6o6 (sa0->tunnel_flags, &ih6_0->ip6,
+ &oh6_0->ip6);
+ }
pd->ip_version_traffic_class_and_flow_label =
oh6_0->ip6.ip_version_traffic_class_and_flow_label;
- oh6_0->ip6.ip_version_traffic_class_and_flow_label = 0;
if (PREDICT_TRUE (ipsec_sa_is_set_IS_TUNNEL (sa0)))
{
@@ -287,20 +287,27 @@ ah_encrypt_inline (vlib_main_t * vm,
oh0 = vlib_buffer_get_current (b[0]);
pd->ttl = ih0->ip4.ttl;
- if (sa0->dscp)
- pd->tos = sa0->dscp << 2;
+ if (PREDICT_FALSE (ipsec_sa_is_set_IS_TUNNEL (sa0)))
+ {
+ if (sa0->tunnel.t_dscp)
+ pd->tos = sa0->tunnel.t_dscp << 2;
+ else
+ {
+ pd->tos = ih0->ip4.tos;
+
+ if (!(sa0->tunnel_flags &
+ TUNNEL_ENCAP_DECAP_FLAG_ENCAP_COPY_DSCP))
+ pd->tos &= 0x3;
+ if (!(sa0->tunnel_flags &
+ TUNNEL_ENCAP_DECAP_FLAG_ENCAP_COPY_ECN))
+ pd->tos &= 0xfc;
+ }
+ }
else
{
pd->tos = ih0->ip4.tos;
- if (!
- (sa0->tunnel_flags &
- TUNNEL_ENCAP_DECAP_FLAG_ENCAP_COPY_DSCP))
- pd->tos &= 0x3;
- if (!
- (sa0->tunnel_flags &
- TUNNEL_ENCAP_DECAP_FLAG_ENCAP_COPY_ECN))
- pd->tos &= 0xfc;
}
+
pd->current_data = b[0]->current_data;
clib_memset (oh0, 0, sizeof (ip4_and_ah_header_t));
@@ -377,6 +384,18 @@ ah_encrypt_inline (vlib_main_t * vm,
}
next:
+ if (PREDICT_FALSE (b[0]->flags & VLIB_BUFFER_IS_TRACED))
+ {
+ sa0 = vec_elt_at_index (im->sad, pd->sa_index);
+ ah_encrypt_trace_t *tr =
+ vlib_add_trace (vm, node, b[0], sizeof (*tr));
+ tr->spi = sa0->spi;
+ tr->seq_lo = sa0->seq;
+ tr->seq_hi = sa0->seq_hi;
+ tr->integ_alg = sa0->integ_alg;
+ tr->sa_index = pd->sa_index;
+ }
+
n_left -= 1;
next += 1;
pd += 1;
@@ -399,7 +418,7 @@ ah_encrypt_inline (vlib_main_t * vm,
while (n_left)
{
if (pd->skip)
- goto trace;
+ goto next_pkt;
if (is_ip6)
{
@@ -416,19 +435,7 @@ ah_encrypt_inline (vlib_main_t * vm,
oh0->ip4.checksum = ip4_header_checksum (&oh0->ip4);
}
- trace:
- if (PREDICT_FALSE (b[0]->flags & VLIB_BUFFER_IS_TRACED))
- {
- sa0 = vec_elt_at_index (im->sad, pd->sa_index);
- ah_encrypt_trace_t *tr =
- vlib_add_trace (vm, node, b[0], sizeof (*tr));
- tr->spi = sa0->spi;
- tr->seq_lo = sa0->seq;
- tr->seq_hi = sa0->seq_hi;
- tr->integ_alg = sa0->integ_alg;
- tr->sa_index = pd->sa_index;
- }
-
+ next_pkt:
n_left -= 1;
next += 1;
pd += 1;