#include <vnet/ipsec/ipsec.h>
#include <vnet/ipsec/ipsec_io.h>
-#if WITH_LIBSSL > 0
-
#define foreach_ipsec_output_error \
_(RX_PKTS, "IPSec pkts received") \
_(POLICY_DISCARD, "IPSec policy discard") \
{
ipsec_sa_t *sa = 0;
nc_protect++;
- sa = pool_elt_at_index (im->sad, p0->sa_index);
+ sa = ipsec_sa_get (p0->sa_index);
if (sa->protocol == IPSEC_PROTOCOL_ESP)
if (is_ipv6)
next_node_index = im->esp6_encrypt_node_index;
next_node_index = im->ah4_encrypt_node_index;
vnet_buffer (b0)->ipsec.sad_index = p0->sa_index;
- if (is_ipv6)
+ if (PREDICT_FALSE (b0->flags & VNET_BUFFER_F_OFFLOAD))
{
- if (PREDICT_FALSE
- (b0->flags & VNET_BUFFER_F_OFFLOAD_TCP_CKSUM))
- {
- tcp0->checksum =
- ip6_tcp_udp_icmp_compute_checksum (vm, b0, ip6_0,
- &bogus);
- b0->flags &= ~VNET_BUFFER_F_OFFLOAD_TCP_CKSUM;
- }
- if (PREDICT_FALSE
- (b0->flags & VNET_BUFFER_F_OFFLOAD_UDP_CKSUM))
- {
- udp0->checksum =
- ip6_tcp_udp_icmp_compute_checksum (vm, b0, ip6_0,
- &bogus);
- b0->flags &= ~VNET_BUFFER_F_OFFLOAD_UDP_CKSUM;
- }
- }
- else
- {
- if (b0->flags & VNET_BUFFER_F_OFFLOAD_IP_CKSUM)
- {
- ip0->checksum = ip4_header_checksum (ip0);
- b0->flags &= ~VNET_BUFFER_F_OFFLOAD_IP_CKSUM;
- }
- if (PREDICT_FALSE
- (b0->flags & VNET_BUFFER_F_OFFLOAD_TCP_CKSUM))
+ u32 oflags = vnet_buffer2 (b0)->oflags;
+
+ /*
+ * Clearing offload flags before checksum is computed
+ * It guarantees the cache hit!
+ */
+ vnet_buffer_offload_flags_clear (b0, oflags);
+
+ if (is_ipv6)
{
- tcp0->checksum =
- ip4_tcp_udp_compute_checksum (vm, b0, ip0);
- b0->flags &= ~VNET_BUFFER_F_OFFLOAD_TCP_CKSUM;
+ if (PREDICT_FALSE (oflags &
+ VNET_BUFFER_OFFLOAD_F_TCP_CKSUM))
+ {
+ tcp0->checksum = ip6_tcp_udp_icmp_compute_checksum (
+ vm, b0, ip6_0, &bogus);
+ }
+ if (PREDICT_FALSE (oflags &
+ VNET_BUFFER_OFFLOAD_F_UDP_CKSUM))
+ {
+ udp0->checksum = ip6_tcp_udp_icmp_compute_checksum (
+ vm, b0, ip6_0, &bogus);
+ }
}
- if (PREDICT_FALSE
- (b0->flags & VNET_BUFFER_F_OFFLOAD_UDP_CKSUM))
+ else
{
- udp0->checksum =
- ip4_tcp_udp_compute_checksum (vm, b0, ip0);
- b0->flags &= ~VNET_BUFFER_F_OFFLOAD_UDP_CKSUM;
+ if (PREDICT_FALSE (oflags &
+ VNET_BUFFER_OFFLOAD_F_IP_CKSUM))
+ {
+ ip0->checksum = ip4_header_checksum (ip0);
+ }
+ if (PREDICT_FALSE (oflags &
+ VNET_BUFFER_OFFLOAD_F_TCP_CKSUM))
+ {
+ tcp0->checksum =
+ ip4_tcp_udp_compute_checksum (vm, b0, ip0);
+ }
+ if (PREDICT_FALSE (oflags &
+ VNET_BUFFER_OFFLOAD_F_UDP_CKSUM))
+ {
+ udp0->checksum =
+ ip4_tcp_udp_compute_checksum (vm, b0, ip0);
+ }
}
}
vlib_buffer_advance (b0, iph_offset);
return ipsec_output_inline (vm, node, frame, 1);
}
-/* *INDENT-OFF* */
VLIB_REGISTER_NODE (ipsec6_output_node) = {
.name = "ipsec6-output-feature",
.vector_size = sizeof (u32),
#undef _
},
};
-/* *INDENT-ON* */
-
-#else /* IPSEC > 1 */
-
-/* Dummy ipsec output node, in case when IPSec is disabled */
-
-static uword
-ipsec_output_node_fn (vlib_main_t * vm,
- vlib_node_runtime_t * node, vlib_frame_t * frame)
-{
- return 0;
-}
-
-/* *INDENT-OFF* */
-VLIB_REGISTER_NODE (ipsec4_output_node) = {
- .vector_size = sizeof (u32),
- .function = ipsec_output_node_fn,
- .name = "ipsec4-output-feature",
-};
-
-VLIB_REGISTER_NODE (ipsec6_output_node) = {
- .vector_size = sizeof (u32),
- .function = ipsec_output_node_fn,
- .name = "ipsec6-output-feature",
-};
-/* *INDENT-ON* */
-#endif
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */