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vlib: move offload flags to 1st cacheline in vlib_buffer_t

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Type: improvement

Some tests i.e. ipsec see performance regression when offload flags
are moved to 2nd cacheline. This patch moves them back to 1st cacheline.

Change-Id: I6ead45ff6d2c467b0d248f409e27c2ba31758741
Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com>
This commit is contained in:
Mohsin Kazmi
2021-04-23 15:16:50 +02:00
committed by Damjan Marion
parent baa18701b9
commit a7e830ed46
11 changed files with 22 additions and 23 deletions
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3
src/vnet/interface_output.h
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@ -85,7 +85,7 @@ vnet_calc_checksums_inline (vlib_main_t * vm, vlib_buffer_t * b,
ip6_header_t *ip6;
tcp_header_t *th;
udp_header_t *uh;
u32 oflags = vnet_buffer2 (b)->oflags;
u32 oflags;
if (!(b->flags & VNET_BUFFER_F_OFFLOAD))
return;
@ -96,6 +96,7 @@ vnet_calc_checksums_inline (vlib_main_t * vm, vlib_buffer_t * b,
ip6 = (ip6_header_t *) (b->data + vnet_buffer (b)->l3_hdr_offset);
th = (tcp_header_t *) (b->data + vnet_buffer (b)->l4_hdr_offset);
uh = (udp_header_t *) (b->data + vnet_buffer (b)->l4_hdr_offset);
oflags = vnet_buffer (b)->oflags;
if (is_ip4)
{