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VPP-100: Fix IP4 local handling of TCP/IP fragmented packet

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Fix previous change that does not work on little endian machines.
Use inline call ip4_is_fragment() which is endian neutral.

Change-Id: I5a35d89d936650ab6c628dfc388b8c992a74a589
Signed-off-by: John Lo <loj@cisco.com>
This commit is contained in:
John Lo
2016-06-03 20:48:31 -04:00
parent b98a3a87a9
commit 2671f1188d
1 changed files with 3 additions and 3 deletions
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6
vnet/vnet/ip/ip4_forward.c
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@ -1775,8 +1775,8 @@ ip4_local (vlib_main_t * vm,
/* Treat IP frag packets as "experimental" protocol for now
until support of IP frag reassembly is implemented */
proto0 = (ip0->flags_and_fragment_offset << 2) ? 0xfe : ip0->protocol;
proto1 = (ip1->flags_and_fragment_offset << 2) ? 0xfe : ip1->protocol;
proto0 = ip4_is_fragment(ip0) ? 0xfe : ip0->protocol;
proto1 = ip4_is_fragment(ip1) ? 0xfe : ip1->protocol;
is_udp0 = proto0 == IP_PROTOCOL_UDP;
is_udp1 = proto1 == IP_PROTOCOL_UDP;
is_tcp_udp0 = is_udp0 || proto0 == IP_PROTOCOL_TCP;
@ -1970,7 +1970,7 @@ ip4_local (vlib_main_t * vm,
/* Treat IP frag packets as "experimental" protocol for now
until support of IP frag reassembly is implemented */
proto0 = (ip0->flags_and_fragment_offset << 2) ? 0xfe : ip0->protocol;
proto0 = ip4_is_fragment(ip0) ? 0xfe : ip0->protocol;
is_udp0 = proto0 == IP_PROTOCOL_UDP;
is_tcp_udp0 = is_udp0 || proto0 == IP_PROTOCOL_TCP;