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authorJakub Grajciar <Jakub.Grajciar@pantheon.tech>2017-10-30 14:56:17 +0100
committerFlorin Coras <florin.coras@gmail.com>2017-11-03 14:55:14 +0000
commit96be8e88109b3e166b76f58e552dbe438d73bb73 (patch)
treee52ae6fe6cddc070a21b0fe0bf5955ea80c88d1b /src/vnet/ip/ip4_forward.c
parent0dc11a11207d64a81f937cde0d38a80629b937e2 (diff)
vnet: ip4/6_local->don't drop packet if marked for TCP/UDP offload cksum calculation
Change-Id: I62f625a93e5d818caef382316035cd5447bd8fef Signed-off-by: Jakub Grajciar <Jakub.Grajciar@pantheon.tech>
Diffstat (limited to 'src/vnet/ip/ip4_forward.c')
-rwxr-xr-xsrc/vnet/ip/ip4_forward.c19
1 files changed, 14 insertions, 5 deletions
diff --git a/src/vnet/ip/ip4_forward.c b/src/vnet/ip/ip4_forward.c
index 8b21869a410..4c559d59df3 100755
--- a/src/vnet/ip/ip4_forward.c
+++ b/src/vnet/ip/ip4_forward.c
@@ -1498,7 +1498,9 @@ ip4_local_validate_l4 (vlib_main_t * vm, vlib_buffer_t * p, ip4_header_t * ip,
}
#define ip4_local_do_l4_check(is_tcp_udp, flags) \
- (is_tcp_udp && !(flags & VNET_BUFFER_F_L4_CHECKSUM_COMPUTED))
+ (is_tcp_udp && !(flags & VNET_BUFFER_F_L4_CHECKSUM_COMPUTED \
+ || flags & VNET_BUFFER_F_OFFLOAD_TCP_CKSUM \
+ || flags & VNET_BUFFER_F_OFFLOAD_UDP_CKSUM))
static inline uword
ip4_local_inline (vlib_main_t * vm,
@@ -1574,9 +1576,13 @@ ip4_local_inline (vlib_main_t * vm,
is_tcp_udp1 = is_udp1 || proto1 == IP_PROTOCOL_TCP;
good_tcp_udp0 =
- (p0->flags & VNET_BUFFER_F_L4_CHECKSUM_CORRECT) != 0;
- good_tcp_udp1 =
- (p1->flags & VNET_BUFFER_F_L4_CHECKSUM_CORRECT) != 0;
+ (p0->flags & VNET_BUFFER_F_L4_CHECKSUM_CORRECT
+ && !(p0->flags & VNET_BUFFER_F_OFFLOAD_TCP_CKSUM
+ || p0->flags & VNET_BUFFER_F_OFFLOAD_UDP_CKSUM)) != 0;
+ good_tcp_udp1 = (p1->flags & VNET_BUFFER_F_L4_CHECKSUM_CORRECT
+ && !(p1->flags & VNET_BUFFER_F_OFFLOAD_TCP_CKSUM
+ || p1->flags &
+ VNET_BUFFER_F_OFFLOAD_UDP_CKSUM)) != 0;
if (PREDICT_FALSE (ip4_local_do_l4_check (is_tcp_udp0, p0->flags)
|| ip4_local_do_l4_check (is_tcp_udp1,
@@ -1731,8 +1737,11 @@ ip4_local_inline (vlib_main_t * vm,
is_udp0 = proto0 == IP_PROTOCOL_UDP;
is_tcp_udp0 = is_udp0 || proto0 == IP_PROTOCOL_TCP;
+
good_tcp_udp0 =
- (p0->flags & VNET_BUFFER_F_L4_CHECKSUM_CORRECT) != 0;
+ (p0->flags & VNET_BUFFER_F_L4_CHECKSUM_CORRECT
+ && !(p0->flags & VNET_BUFFER_F_OFFLOAD_TCP_CKSUM
+ || p0->flags & VNET_BUFFER_F_OFFLOAD_UDP_CKSUM)) != 0;
if (PREDICT_FALSE (ip4_local_do_l4_check (is_tcp_udp0, p0->flags)))
{