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TCP/UDP checksum offload API
[vpp.git]
/
src
/
vnet
/
tcp
/
tcp_output.c
diff --git
a/src/vnet/tcp/tcp_output.c
b/src/vnet/tcp/tcp_output.c
index
f34eb79
..
35f3eba
100644
(file)
--- a/
src/vnet/tcp/tcp_output.c
+++ b/
src/vnet/tcp/tcp_output.c
@@
-1485,7
+1485,12
@@
tcp46_output_inline (vlib_main_t * vm,
ip4_header_t *ih0;
ih0 = vlib_buffer_push_ip4 (vm, b0, &tc0->c_lcl_ip4,
&tc0->c_rmt_ip4, IP_PROTOCOL_TCP);
ip4_header_t *ih0;
ih0 = vlib_buffer_push_ip4 (vm, b0, &tc0->c_lcl_ip4,
&tc0->c_rmt_ip4, IP_PROTOCOL_TCP);
- th0->checksum = ip4_tcp_udp_compute_checksum (vm, b0, ih0);
+ b0->flags |= VNET_BUFFER_F_IS_IP4 |
+ VNET_BUFFER_F_OFFLOAD_IP_CKSUM |
+ VNET_BUFFER_F_OFFLOAD_TCP_CKSUM;
+ vnet_buffer (b0)->l3_hdr_offset = (u8 *) ih0 - b0->data;
+ vnet_buffer (b0)->l4_hdr_offset = (u8 *) th0 - b0->data;
+ th0->checksum = 0;
}
else
{
}
else
{
@@
-1494,8
+1499,13
@@
tcp46_output_inline (vlib_main_t * vm,
ih0 = vlib_buffer_push_ip6 (vm, b0, &tc0->c_lcl_ip6,
&tc0->c_rmt_ip6, IP_PROTOCOL_TCP);
ih0 = vlib_buffer_push_ip6 (vm, b0, &tc0->c_lcl_ip6,
&tc0->c_rmt_ip6, IP_PROTOCOL_TCP);
- th0->checksum = ip6_tcp_udp_icmp_compute_checksum (vm, b0, ih0,
- &bogus);
+
+ b0->flags |= VNET_BUFFER_F_IS_IP6 |
+ VNET_BUFFER_F_OFFLOAD_IP_CKSUM |
+ VNET_BUFFER_F_OFFLOAD_TCP_CKSUM;
+ vnet_buffer (b0)->l3_hdr_offset = (u8 *) ih0 - b0->data;
+ vnet_buffer (b0)->l4_hdr_offset = (u8 *) th0 - b0->data;
+ th0->checksum = 0;
ASSERT (!bogus);
}
ASSERT (!bogus);
}