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tcp: Fix broken repair socket window probe patch

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Correct previous bad attempt at allowing sockets to come out of TCP
repair without sending window probes. To avoid changing size of
the repair variable in struct tcp_sock, this lets the decision for
sending probes or not to be made when coming out of repair by
introducing two ways to turn it off.

v2:
* Remove erroneous comment; defines now make behavior clear

Fixes: 70b7ff1302 ("tcp: allow user to create repair socket without window probes")
Signed-off-by: Stefan Baranoff <sbaranoff@gmail.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Andrei Vagin <avagin@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Stefan Baranoff 2018-07-15 11:36:37 -04:00 • committed by David S. Miller
parent 432e629e56
commit 31048d7aed
2 changed files with 11 additions and 6 deletions
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4
include/uapi/linux/tcp.h
View file

@ -127,6 +127,10 @@ enum {
#define TCP_CM_INQ TCP_INQ
#define TCP_REPAIR_ON 1
#define TCP_REPAIR_OFF 0
#define TCP_REPAIR_OFF_NO_WP -1 /* Turn off without window probes */
struct tcp_repair_opt {
__u32 opt_code;
__u32 opt_val;