diff options
| author |   Juraj Sloboda <jsloboda@cisco.com> | 2018-10-02 11:13:53 +0200 |
|---|---|---|
| committer |   Florin Coras <florin.coras@gmail.com> | 2018-10-04 17:55:10 +0000 |
| commit | 3048b63de968ef616baf14e1abbb6502bd4fdcbc (patch) | |
| tree | c505c1cd8bfb30b073148bf4e7a4836f3e823447 /src/vnet/ip | |
| parent | 6f40a8a4c5792c5c5e5c77366e98b1f10370d685 (diff) | |
Support reassembly for fragments coming to ip4-local node
Change-Id: I3aa4708c1c3cdda344f282d56b617677080eaaa1
Signed-off-by: Juraj Sloboda <jsloboda@cisco.com>
Diffstat (limited to 'src/vnet/ip')
| -rw-r--r-- | src/vnet/ip/ip4_forward.c | 7 | ||||
| -rw-r--r-- | src/vnet/ip/ip6_forward.c | 1 | ||||
| -rw-r--r-- | src/vnet/ip/lookup.h | 1 |
3 files changed, 9 insertions, 0 deletions
diff --git a/src/vnet/ip/ip4_forward.c b/src/vnet/ip/ip4_forward.c index 3cd6d3bb2b1..69a8dbad805 100644 --- a/src/vnet/ip/ip4_forward.c +++ b/src/vnet/ip/ip4_forward.c @@ -1485,6 +1485,7 @@ enum ip_local_packet_type_e { IP_LOCAL_PACKET_TYPE_L4, IP_LOCAL_PACKET_TYPE_NAT, + IP_LOCAL_PACKET_TYPE_FRAG, }; /** @@ -1498,6 +1499,11 @@ ip4_local_classify (vlib_buffer_t * b, ip4_header_t * ip, u16 * next) { ip_lookup_main_t *lm = &ip4_main.lookup_main; + if (PREDICT_FALSE (ip4_is_fragment (ip))) + { + *next = IP_LOCAL_NEXT_REASSEMBLY; + return IP_LOCAL_PACKET_TYPE_FRAG; + } if (PREDICT_FALSE (b->flags & VNET_BUFFER_F_IS_NATED)) { *next = lm->local_next_by_ip_protocol[ip->protocol]; @@ -1644,6 +1650,7 @@ VLIB_REGISTER_NODE (ip4_local_node) = [IP_LOCAL_NEXT_PUNT] = "ip4-punt", [IP_LOCAL_NEXT_UDP_LOOKUP] = "ip4-udp-lookup", [IP_LOCAL_NEXT_ICMP] = "ip4-icmp-input", + [IP_LOCAL_NEXT_REASSEMBLY] = "ip4-reassembly", }, }; /* *INDENT-ON* */ diff --git a/src/vnet/ip/ip6_forward.c b/src/vnet/ip/ip6_forward.c index e05792fe28f..00af2822ac4 100644 --- a/src/vnet/ip/ip6_forward.c +++ b/src/vnet/ip/ip6_forward.c @@ -1389,6 +1389,7 @@ VLIB_REGISTER_NODE (ip6_local_node, static) = [IP_LOCAL_NEXT_PUNT] = "ip6-punt", [IP_LOCAL_NEXT_UDP_LOOKUP] = "ip6-udp-lookup", [IP_LOCAL_NEXT_ICMP] = "ip6-icmp-input", + [IP_LOCAL_NEXT_REASSEMBLY] = "ip6-reassembly", }, }; /* *INDENT-ON* */ diff --git a/src/vnet/ip/lookup.h b/src/vnet/ip/lookup.h index e16fa0757a0..93e1e029b41 100644 --- a/src/vnet/ip/lookup.h +++ b/src/vnet/ip/lookup.h @@ -111,6 +111,7 @@ typedef enum IP_LOCAL_NEXT_PUNT, IP_LOCAL_NEXT_UDP_LOOKUP, IP_LOCAL_NEXT_ICMP, + IP_LOCAL_NEXT_REASSEMBLY, IP_LOCAL_N_NEXT, } ip_local_next_t; |