diff options
| author |   AkshayaNadahalli <anadahal@cisco.com> | 2017-01-23 22:05:35 +0530 |
|---|---|---|
| committer | AkshayaNadahalli <anadahal@cisco.com> | 2017-03-07 14:08:22 +0000 |
| commit | 1b563527c143903b6e7e79b5978af5310372f605 (patch) | |
| tree | 7b673272cb930e03b77dd376f581d903c219a566 /src/vnet/ip/ip6_forward.c | |
| parent | 066f034b903bda6e938bec1b12f01edef65ee9c4 (diff) | |
In-band OAM active probe (VPP-471)
Change-Id: Icf0ddf76ba1c8b588c79387284cd0349ebc6e45f
Signed-off-by: AkshayaNadahalli <anadahal@cisco.com>
Diffstat (limited to 'src/vnet/ip/ip6_forward.c')
| -rw-r--r-- | src/vnet/ip/ip6_forward.c | 32 |
1 files changed, 4 insertions, 28 deletions
diff --git a/src/vnet/ip/ip6_forward.c b/src/vnet/ip/ip6_forward.c index 91a303d4857..b80c757a6d3 100644 --- a/src/vnet/ip/ip6_forward.c +++ b/src/vnet/ip/ip6_forward.c @@ -1161,7 +1161,8 @@ ip6_tcp_udp_icmp_compute_checksum (vlib_main_t * vm, vlib_buffer_t * p0, uword)); } - /* some icmp packets may come with a "router alert" hop-by-hop extension header (e.g., mldv2 packets) */ + /* some icmp packets may come with a "router alert" hop-by-hop extension header (e.g., mldv2 packets) + * or UDP-Ping packets */ if (PREDICT_FALSE (ip0->protocol == IP_PROTOCOL_IP6_HOP_BY_HOP_OPTIONS)) { u32 skip_bytes; @@ -1169,7 +1170,8 @@ ip6_tcp_udp_icmp_compute_checksum (vlib_main_t * vm, vlib_buffer_t * p0, (ip6_hop_by_hop_ext_t *) data_this_buffer; /* validate really icmp6 next */ - ASSERT (ext_hdr->next_hdr == IP_PROTOCOL_ICMP6); + ASSERT ((ext_hdr->next_hdr == IP_PROTOCOL_ICMP6) + || (ext_hdr->next_hdr == IP_PROTOCOL_UDP)); skip_bytes = 8 * (1 + ext_hdr->n_data_u64s); data_this_buffer = (void *) ((u8 *) data_this_buffer + skip_bytes); @@ -1317,23 +1319,6 @@ ip6_local (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame) len_diff0 = 0; len_diff1 = 0; - /* Skip HBH local processing */ - if (PREDICT_FALSE - (ip0->protocol == IP_PROTOCOL_IP6_HOP_BY_HOP_OPTIONS)) - { - ip6_hop_by_hop_ext_t *ext_hdr = - (ip6_hop_by_hop_ext_t *) ip6_next_header (ip0); - next0 = lm->local_next_by_ip_protocol[ext_hdr->next_hdr]; - type0 = lm->builtin_protocol_by_ip_protocol[ext_hdr->next_hdr]; - } - if (PREDICT_FALSE - (ip1->protocol == IP_PROTOCOL_IP6_HOP_BY_HOP_OPTIONS)) - { - ip6_hop_by_hop_ext_t *ext_hdr = - (ip6_hop_by_hop_ext_t *) ip6_next_header (ip1); - next1 = lm->local_next_by_ip_protocol[ext_hdr->next_hdr]; - type1 = lm->builtin_protocol_by_ip_protocol[ext_hdr->next_hdr]; - } if (PREDICT_TRUE (IP_PROTOCOL_UDP == ip6_locate_header (p0, ip0, IP_PROTOCOL_UDP, &udp_offset0))) @@ -1458,15 +1443,6 @@ ip6_local (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame) good_l4_checksum0 = (flags0 & IP_BUFFER_L4_CHECKSUM_CORRECT) != 0; len_diff0 = 0; - /* Skip HBH local processing */ - if (PREDICT_FALSE - (ip0->protocol == IP_PROTOCOL_IP6_HOP_BY_HOP_OPTIONS)) - { - ip6_hop_by_hop_ext_t *ext_hdr = - (ip6_hop_by_hop_ext_t *) ip6_next_header (ip0); - next0 = lm->local_next_by_ip_protocol[ext_hdr->next_hdr]; - type0 = lm->builtin_protocol_by_ip_protocol[ext_hdr->next_hdr]; - } if (PREDICT_TRUE (IP_PROTOCOL_UDP == ip6_locate_header (p0, ip0, IP_PROTOCOL_UDP, &udp_offset0))) |