tcp: ipv4: initialize unicast_sock sk_pacing_rate

[ 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@google.com> Fixes: 95bd09eb2750 ("tcp: TSO packets automatic sizing") Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

tcp: ipv4: initialize unicast_sock sk_pacing_rate
[ 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@google.com> Fixes: 95bd09eb2750 ("tcp: TSO packets automatic sizing") Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Eric Dumazet · Greg Kroah-Hartman
1 parent 7a0189390e
Showing 1 changed file with 1 additions and 0 deletions Side-by-side Diff
net/ipv4/ip_output.c
@@ -1517,6 +1517,7 @@
 		.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,
...	...	@@ -1517,6 +1517,7 @@
1517	1517	.sk_wmem_alloc = ATOMIC_INIT(1),
1518	1518	.sk_allocation = GFP_ATOMIC,
1519	1519	.sk_flags = (1UL << SOCK_USE_WRITE_QUEUE),
	1520	+ .sk_pacing_rate = ~0U,
1520	1521	},
1521	1522	.pmtudisc = IP_PMTUDISC_WANT,
1522	1523	.uc_ttl = -1,