3.14-stable review patch. If anyone has any objections, please let me know.
------------------
From: Eric Dumazet <edumazet@xxxxxxxxxx>
[ Upstream commit 811230cd853d62f09ed0addd0ce9a1b9b0e13fb5 ]
When I added sk_pacing_rate field, I forgot to initialize its value
in the per cpu unicast_sock used in ip_send_unicast_reply()
This means that for sch_fq users, RST packets, or ACK packets sent
on behalf of TIME_WAIT sockets might be sent to slowly or even dropped
once we reach the per flow limit.
Signed-off-by: Eric Dumazet <edumazet@xxxxxxxxxx>
Fixes: 95bd09eb2750 ("tcp: TSO packets automatic sizing")
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
net/ipv4/ip_output.c | 1 +
1 file changed, 1 insertion(+)
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -1471,6 +1471,7 @@ static DEFINE_PER_CPU(struct inet_sock,
.sk_wmem_alloc = ATOMIC_INIT(1),
.sk_allocation = GFP_ATOMIC,
.sk_flags = (1UL << SOCK_USE_WRITE_QUEUE),
+ .sk_pacing_rate = ~0U,
},
.pmtudisc = IP_PMTUDISC_WANT,
.uc_ttl = -1,
--
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