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authorFlorian Westphal <fw@strlen.de>2017-07-30 04:57:21 +0300
committerDavid S. Miller <davem@davemloft.net>2017-08-01 00:37:49 +0300
commit45f119bf936b1f9f546a0b139c5b56f9bb2bdc78 (patch)
tree860b9827faa6b5d3ba64ba30149737b388c55e66 /include/linux/tcp.h
parentb6690b14386698ce2c19309abad3f17656bdfaea (diff)
downloadlinux-45f119bf936b1f9f546a0b139c5b56f9bb2bdc78.tar.xz
tcp: remove header prediction
Like prequeue, I am not sure this is overly useful nowadays. If we receive a train of packets, GRO will aggregate them if the headers are the same (HP predates GRO by several years) so we don't get a per-packet benefit, only a per-aggregated-packet one. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/tcp.h')
-rw-r--r--include/linux/tcp.h6
1 files changed, 0 insertions, 6 deletions
diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index 32fb37cfb0d1..d7389ea36e10 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -148,12 +148,6 @@ struct tcp_sock {
u16 gso_segs; /* Max number of segs per GSO packet */
/*
- * Header prediction flags
- * 0x5?10 << 16 + snd_wnd in net byte order
- */
- __be32 pred_flags;
-
-/*
* RFC793 variables by their proper names. This means you can
* read the code and the spec side by side (and laugh ...)
* See RFC793 and RFC1122. The RFC writes these in capitals.