aboutsummaryrefslogtreecommitdiffstats
path: root/src/vnet/ipsec/ipsec_output.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/vnet/ipsec/ipsec_output.h')
-rw-r--r--src/vnet/ipsec/ipsec_output.h95
1 files changed, 89 insertions, 6 deletions
diff --git a/src/vnet/ipsec/ipsec_output.h b/src/vnet/ipsec/ipsec_output.h
index 6608e3c6259..1239ed1f192 100644
--- a/src/vnet/ipsec/ipsec_output.h
+++ b/src/vnet/ipsec/ipsec_output.h
@@ -179,7 +179,7 @@ ipsec_output_policy_match_n (ipsec_spd_t *spd,
clib_memset (policies, 0, n * sizeof (ipsec_policy_t *));
- if (im->fp_spd_is_enabled)
+ if (im->ipv4_fp_spd_is_enabled)
{
ipsec_fp_5tuple_from_ip4_range_n (tuples, ip4_5tuples, n);
counter += ipsec_fp_out_policy_match_n (&spd->fp_spd, 0, tuples,
@@ -330,12 +330,11 @@ ipsec_output_policy_match (ipsec_spd_t *spd, u8 pr, u32 la, u32 ra, u16 lp,
if (!spd)
return 0;
- ipsec_fp_5tuple_from_ip4_range (&tuples[0], la, ra, lp, rp, pr);
-
- if (im->fp_spd_is_enabled &&
- (1 == ipsec_fp_out_policy_match_n (&spd->fp_spd, 0, tuples, policies,
- fp_policy_ids, 1)))
+ if (im->ipv4_fp_spd_is_enabled)
{
+ ipsec_fp_5tuple_from_ip4_range (&tuples[0], la, ra, lp, rp, pr);
+ ipsec_fp_out_policy_match_n (&spd->fp_spd, 0, tuples, policies,
+ fp_policy_ids, 1);
p = policies[0];
i = fp_policy_ids;
if (PREDICT_FALSE ((pr != IP_PROTOCOL_TCP) && (pr != IP_PROTOCOL_UDP) &&
@@ -400,4 +399,88 @@ ipsec_output_policy_match (ipsec_spd_t *spd, u8 pr, u32 la, u32 ra, u16 lp,
return 0;
}
+always_inline uword
+ip6_addr_match_range (ip6_address_t *a, ip6_address_t *la, ip6_address_t *ua)
+{
+ if ((memcmp (a->as_u64, la->as_u64, 2 * sizeof (u64)) >= 0) &&
+ (memcmp (a->as_u64, ua->as_u64, 2 * sizeof (u64)) <= 0))
+ return 1;
+ return 0;
+}
+
+always_inline void
+ipsec_fp_5tuple_from_ip6_range (ipsec_fp_5tuple_t *tuple, ip6_address_t *la,
+ ip6_address_t *ra, u16 lp, u16 rp, u8 pr)
+
+{
+ clib_memcpy (&tuple->ip6_laddr, la, sizeof (ip6_address_t));
+ clib_memcpy (&tuple->ip6_raddr, ra, sizeof (ip6_address_t));
+
+ tuple->lport = lp;
+ tuple->rport = rp;
+ tuple->protocol = pr;
+ tuple->is_ipv6 = 1;
+}
+
+always_inline ipsec_policy_t *
+ipsec6_output_policy_match (ipsec_spd_t *spd, ip6_address_t *la,
+ ip6_address_t *ra, u16 lp, u16 rp, u8 pr)
+{
+ ipsec_main_t *im = &ipsec_main;
+ ipsec_policy_t *p;
+ ipsec_policy_t *policies[1];
+ ipsec_fp_5tuple_t tuples[1];
+ u32 fp_policy_ids[1];
+
+ u32 *i;
+
+ if (!spd)
+ return 0;
+
+ if (im->ipv6_fp_spd_is_enabled)
+ {
+
+ ipsec_fp_5tuple_from_ip6_range (&tuples[0], la, ra, lp, rp, pr);
+ ipsec_fp_out_policy_match_n (&spd->fp_spd, 1, tuples, policies,
+ fp_policy_ids, 1);
+ p = policies[0];
+ i = fp_policy_ids;
+ return p;
+ }
+
+ vec_foreach (i, spd->policies[IPSEC_SPD_POLICY_IP6_OUTBOUND])
+ {
+ p = pool_elt_at_index (im->policies, *i);
+ if (PREDICT_FALSE ((p->protocol != IPSEC_POLICY_PROTOCOL_ANY) &&
+ (p->protocol != pr)))
+ continue;
+
+ if (!ip6_addr_match_range (ra, &p->raddr.start.ip6, &p->raddr.stop.ip6))
+ continue;
+
+ if (!ip6_addr_match_range (la, &p->laddr.start.ip6, &p->laddr.stop.ip6))
+ continue;
+
+ if (PREDICT_FALSE ((pr != IP_PROTOCOL_TCP) && (pr != IP_PROTOCOL_UDP) &&
+ (pr != IP_PROTOCOL_SCTP)))
+ return p;
+
+ if (lp < p->lport.start)
+ continue;
+
+ if (lp > p->lport.stop)
+ continue;
+
+ if (rp < p->rport.start)
+ continue;
+
+ if (rp > p->rport.stop)
+ continue;
+
+ return p;
+ }
+
+ return 0;
+}
+
#endif /* !IPSEC_OUTPUT_H */