vlib: move offload flags to 1st cacheline in vlib_buffer_t
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>
diff --git a/src/vnet/ip/ip6_forward.c b/src/vnet/ip/ip6_forward.c
index 0c1bc3b..4f1b148 100644
--- a/src/vnet/ip/ip6_forward.c
+++ b/src/vnet/ip/ip6_forward.c
@@ -1334,8 +1334,8 @@
flags[1] = b[1]->flags;
u32 oflags[2];
- oflags[0] = vnet_buffer2 (b[0])->oflags;
- oflags[1] = vnet_buffer2 (b[1])->oflags;
+ oflags[0] = vnet_buffer (b[0])->oflags;
+ oflags[1] = vnet_buffer (b[1])->oflags;
u32 l4_offload[2];
l4_offload[0] = (flags[0] & VNET_BUFFER_F_OFFLOAD) &&
@@ -1524,7 +1524,7 @@
u32 flags = b[0]->flags;
- u32 oflags = vnet_buffer2 (b[0])->oflags;
+ u32 oflags = vnet_buffer (b[0])->oflags;
u32 l4_offload = (flags & VNET_BUFFER_F_OFFLOAD) &&
(oflags & (VNET_BUFFER_OFFLOAD_F_TCP_CKSUM |