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authorStephen Mallon <stephen.mallon@sydney.edu.au>2018-11-20 11:15:02 +0300
committerDavid S. Miller <davem@davemloft.net>2018-11-20 21:32:11 +0300
commitcadf9df27e7cf40e390e060a1c71bb86ecde798b (patch)
tree00e376aa0bc788a78b3c12242d914c0aeeccea8f /net
parent59663e42199c93d1d7314d1446f6782fc4b1eb81 (diff)
downloadlinux-cadf9df27e7cf40e390e060a1c71bb86ecde798b.tar.xz
tcp: Fix SOF_TIMESTAMPING_RX_HARDWARE to use the latest timestamp during TCP coalescing
During tcp coalescing ensure that the skb hardware timestamp refers to the highest sequence number data. Previously only the software timestamp was updated during coalescing. Signed-off-by: Stephen Mallon <stephen.mallon@sydney.edu.au> Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/ipv4/tcp_input.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 2868ef28ce52..e695584bb33f 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -4363,6 +4363,7 @@ static bool tcp_try_coalesce(struct sock *sk,
if (TCP_SKB_CB(from)->has_rxtstamp) {
TCP_SKB_CB(to)->has_rxtstamp = true;
to->tstamp = from->tstamp;
+ skb_hwtstamps(to)->hwtstamp = skb_hwtstamps(from)->hwtstamp;
}
return true;