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Diffstat (limited to 'hicn-plugin/src/faces/udp/face_udp_node.c')
-rw-r--r--hicn-plugin/src/faces/udp/face_udp_node.c37
1 files changed, 27 insertions, 10 deletions
diff --git a/hicn-plugin/src/faces/udp/face_udp_node.c b/hicn-plugin/src/faces/udp/face_udp_node.c
index 5d304693d..232b86d70 100644
--- a/hicn-plugin/src/faces/udp/face_udp_node.c
+++ b/hicn-plugin/src/faces/udp/face_udp_node.c
@@ -138,8 +138,8 @@ typedef enum
\
inner_ip_hdr = (u8 *)(udp_hdr + 1); \
u8 is_v6 = hicn_is_v6((hicn_header_t *)inner_ip_hdr); \
- u8 is_icmp = is_v6*(inner_ip_hdr[7] == IPPROTO_ICMPV6) + \
- (1 - is_v6)*(inner_ip_hdr[10] == IPPROTO_ICMPV4); \
+ u8 is_icmp = is_v6*(inner_ip_hdr[6] == IPPROTO_ICMPV6) + \
+ (1 - is_v6)*(inner_ip_hdr[9] == IPPROTO_ICMPV4); \
\
ret = HICN_DPO_UDP_LOCK_IP##ipv \
(&(hicnb0->face_dpo_id), \
@@ -236,13 +236,13 @@ typedef enum
\
inner_ip_hdr0 = (u8 *)(udp_hdr0 + 1); \
u8 is_v6_0 = hicn_is_v6((hicn_header_t *)inner_ip_hdr0); \
- u8 is_icmp0 = is_v6_0*(inner_ip_hdr0[7] == IPPROTO_ICMPV6) + \
- (1 - is_v6_0)*(inner_ip_hdr0[10] == IPPROTO_ICMPV4); \
+ u8 is_icmp0 = is_v6_0*(inner_ip_hdr0[6] == IPPROTO_ICMPV6) + \
+ (1 - is_v6_0)*(inner_ip_hdr0[9] == IPPROTO_ICMPV4); \
\
inner_ip_hdr1 = (u8 *)(udp_hdr1 + 1); \
u8 is_v6_1 = hicn_is_v6((hicn_header_t *)inner_ip_hdr1); \
- u8 is_icmp1 = is_v6_1*(inner_ip_hdr1[7] == IPPROTO_ICMPV6) + \
- (1 - is_v6_1)*(inner_ip_hdr1[10] == IPPROTO_ICMPV4); \
+ u8 is_icmp1 = is_v6_1*(inner_ip_hdr1[6] == IPPROTO_ICMPV6) + \
+ (1 - is_v6_1)*(inner_ip_hdr1[9] == IPPROTO_ICMPV4); \
\
ret0 = HICN_DPO_UDP_LOCK_IP##ipv \
(&(hicnb0->face_dpo_id), \
@@ -507,7 +507,6 @@ hicn_face_udp4_encap (vlib_main_t * vm,
ip4_header_t *ip0;
udp_header_t *udp0;
hicn_face_udp_t *face_udp = (hicn_face_udp_t *) face->data;
- ip_adjacency_t *adj = adj_get (face->shared.adj);
/* ip */
ip0 = vlib_buffer_get_current (outer_b0);
@@ -535,11 +534,19 @@ hicn_face_udp4_encap (vlib_main_t * vm,
length /* changed member */ );
ip0->checksum = sum0;
+ int is_iface = 0;
+ ip_adjacency_t *adj;
+ if (PREDICT_FALSE (face->shared.adj == ~0))
+ is_iface = 1;
+ else
+ adj = adj_get (face->shared.adj);
+
/* In case the adj is not complete, we look if a better one exists, otherwise we send an arp request
* This is necessary to account for the case in which when we create a face, there isn't a /128(/32) adjacency and we match with a more general route which is in glean state
* In this case in fact, the general route will not be update upone receiving of a arp or neighbour responde, but a new /128(/32) will be created
*/
- if (PREDICT_FALSE (adj->lookup_next_index < IP_LOOKUP_NEXT_REWRITE))
+ if (PREDICT_FALSE
+ (is_iface || adj->lookup_next_index < IP_LOOKUP_NEXT_REWRITE))
{
fib_prefix_t fib_pfx;
fib_node_index_t fib_entry_index;
@@ -555,6 +562,8 @@ hicn_face_udp4_encap (vlib_main_t * vm,
fib_entry_index = fib_table_lookup (fib_index, &fib_pfx);
face->shared.adj = fib_entry_get_adj (fib_entry_index);
+ face->shared.flags &= ~HICN_FACE_FLAGS_IFACE;
+ face->shared.flags |= HICN_FACE_FLAGS_FACE;
adj = adj_get (face->shared.adj);
}
@@ -573,7 +582,6 @@ hicn_face_udp6_encap (vlib_main_t * vm,
ip6_header_t *ip0;
udp_header_t *udp0;
hicn_face_udp_t *face_udp = (hicn_face_udp_t *) face->data;
- ip_adjacency_t *adj = adj_get (face->shared.adj);
/* ip */
ip0 = vlib_buffer_get_current (outer_b0);
@@ -595,11 +603,18 @@ hicn_face_udp6_encap (vlib_main_t * vm,
if (udp0->checksum == 0)
udp0->checksum = 0xffff;
+ int is_iface = 0;
+ ip_adjacency_t *adj;
+ if (PREDICT_FALSE (face->shared.adj == ~0))
+ is_iface = 1;
+ else
+ adj = adj_get (face->shared.adj);
+
/* In case the adj is not complete, we look if a better one exists, otherwise we send an arp request
* This is necessary to account for the case in which when we create a face, there isn't a /128(/32) adjacency and we match with a more general route which is in glean state
* In this case in fact, the general route will not be update upone receiving of a arp or neighbour responde, but a new /128(/32) will be created
*/
- if (PREDICT_FALSE (adj->lookup_next_index < IP_LOOKUP_NEXT_REWRITE))
+ if (PREDICT_FALSE (is_iface || adj->lookup_next_index < IP_LOOKUP_NEXT_REWRITE))
{
fib_prefix_t fib_pfx;
fib_node_index_t fib_entry_index;
@@ -615,6 +630,8 @@ hicn_face_udp6_encap (vlib_main_t * vm,
fib_entry_index = fib_table_lookup (fib_index, &fib_pfx);
face->shared.adj = fib_entry_get_adj (fib_entry_index);
+ face->shared.flags &= ~HICN_FACE_FLAGS_IFACE;
+ face->shared.flags |= HICN_FACE_FLAGS_FACE;
adj = adj_get (face->shared.adj);
}