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Message-Id: <20241104070041.64302-1-dongml2@chinatelecom.cn>
Date: Mon, 4 Nov 2024 15:00:41 +0800
From: Menglong Dong <menglong8.dong@...il.com>
To: kuba@...nel.org
Cc: edumazet@...gle.com,
dsahern@...nel.org,
lixiaoyan@...gle.com,
weiwan@...gle.com,
netdev@...r.kernel.org,
linux-kernel@...r.kernel.org,
Menglong Dong <dongml2@...natelecom.cn>
Subject: [PATCH net-next v2] net: tcp: replace the document for "lsndtime" in tcp_sock
Commit d5fed5addb2b ("tcp: reorganize tcp_sock fast path variables")
moved the fields around and misplaced the documentation for "lsndtime".
So, let's replace it in the proper place.
Signed-off-by: Menglong Dong <dongml2@...natelecom.cn>
---
v2:
- remove the "Fixes" tag in the commit log
---
include/linux/tcp.h | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index 6a5e08b937b3..f88daaa76d83 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -200,7 +200,6 @@ struct tcp_sock {
/* TX read-mostly hotpath cache lines */
__cacheline_group_begin(tcp_sock_read_tx);
- /* timestamp of last sent data packet (for restart window) */
u32 max_window; /* Maximal window ever seen from peer */
u32 rcv_ssthresh; /* Current window clamp */
u32 reordering; /* Packet reordering metric. */
@@ -263,7 +262,7 @@ struct tcp_sock {
u32 chrono_stat[3]; /* Time in jiffies for chrono_stat stats */
u32 write_seq; /* Tail(+1) of data held in tcp send buffer */
u32 pushed_seq; /* Last pushed seq, required to talk to windows */
- u32 lsndtime;
+ u32 lsndtime; /* timestamp of last sent data packet (for restart window) */
u32 mdev_us; /* medium deviation */
u32 rtt_seq; /* sequence number to update rttvar */
u64 tcp_wstamp_ns; /* departure time for next sent data packet */
--
2.39.5
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