#include <vnet/ipsec/ah.h>
#include <vnet/ipsec/ipsec_io.h>
-#define foreach_ah_decrypt_next \
- _ (DROP, "error-drop") \
- _ (IP4_INPUT, "ip4-input") \
- _ (IP6_INPUT, "ip6-input")
+#define foreach_ah_decrypt_next \
+ _(DROP, "error-drop") \
+ _(IP4_INPUT, "ip4-input") \
+ _(IP6_INPUT, "ip6-input") \
+ _(HANDOFF, "handoff")
#define _(v, s) AH_DECRYPT_NEXT_##v,
typedef enum
thread_index, current_sa_index);
}
+ if (PREDICT_FALSE (~0 == sa0->thread_index))
+ {
+ /* this is the first packet to use this SA, claim the SA
+ * for this thread. this could happen simultaneously on
+ * another thread */
+ clib_atomic_cmp_and_swap (&sa0->thread_index, ~0,
+ ipsec_sa_assign_thread (thread_index));
+ }
+
+ if (PREDICT_TRUE (thread_index != sa0->thread_index))
+ {
+ vnet_buffer (b[0])->ipsec.thread_index = sa0->thread_index;
+ next[0] = AH_DECRYPT_NEXT_HANDOFF;
+ goto next;
+ }
+
pd->sa_index = current_sa_index;
ih4 = vlib_buffer_get_current (b[0]);
if (is_ip6)
{
ip6_ext_header_t *prev = NULL;
- ip6_ext_header_find_t (ih6, prev, ah0, IP_PROTOCOL_IPSEC_AH);
+ ah0 =
+ ip6_ext_header_find (vm, b[0], ih6, IP_PROTOCOL_IPSEC_AH, &prev);
pd->ip_hdr_size = sizeof (ip6_header_t);
ASSERT ((u8 *) ah0 - (u8 *) ih6 == pd->ip_hdr_size);
}
.n_next_nodes = AH_DECRYPT_N_NEXT,
.next_nodes = {
-#define _(s,n) [AH_DECRYPT_NEXT_##s] = n,
- foreach_ah_decrypt_next
-#undef _
+ [AH_DECRYPT_NEXT_DROP] = "ip4-drop",
+ [AH_DECRYPT_NEXT_IP4_INPUT] = "ip4-input-no-checksum",
+ [AH_DECRYPT_NEXT_IP6_INPUT] = "ip6-input",
+ [AH_DECRYPT_NEXT_HANDOFF] = "ah4-decrypt-handoff",
},
};
/* *INDENT-ON* */
.n_next_nodes = AH_DECRYPT_N_NEXT,
.next_nodes = {
-#define _(s,n) [AH_DECRYPT_NEXT_##s] = n,
- foreach_ah_decrypt_next
-#undef _
+ [AH_DECRYPT_NEXT_DROP] = "ip6-drop",
+ [AH_DECRYPT_NEXT_IP4_INPUT] = "ip4-input-no-checksum",
+ [AH_DECRYPT_NEXT_IP6_INPUT] = "ip6-input",
+ [AH_DECRYPT_NEXT_HANDOFF] = "ah6-decrypt-handoff",
},
};
/* *INDENT-ON* */