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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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2
src/plugins/avf/output.c
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@@ -60,7 +60,7 @@ avf_tx_prepare_cksum (vlib_buffer_t * b, u8 is_tso)
if (!is_tso && !(b->flags & VNET_BUFFER_F_OFFLOAD))
return 0;
u32 oflags = vnet_buffer2 (b)->oflags;
u32 oflags = vnet_buffer (b)->oflags;
u32 is_tcp = is_tso || oflags & VNET_BUFFER_OFFLOAD_F_TCP_CKSUM;
u32 is_udp = !is_tso && oflags & VNET_BUFFER_OFFLOAD_F_UDP_CKSUM;
u32 is_ip4 = b->flags & VNET_BUFFER_F_IS_IP4;