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strparser: Queue work when being unpaused 

When the upper layer unpauses a stream parser connection we need to
queue rx_work to make sure no events are missed.

Signed-off-by: Tom Herbert <tom@herbertland.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tom Herbert 2016-08-23 11:55:30 -07:00 committed by David S. Miller
parent 3c90a941ed
commit cff6a334e6
2 changed files with 12 additions and 4 deletions
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5
include/net/strparser.h
View File

@ -88,10 +88,7 @@ static inline void strp_pause(struct strparser *strp)
}
/* May be called without holding lock for attached socket */
static inline void strp_unpause(struct strparser *strp)
{
strp->rx_paused = 0;
}
void strp_unpause(struct strparser *strp);
static inline void save_strp_stats(struct strparser *strp,
struct strp_aggr_stats *agg_stats)

11
net/strparser/strparser.c
View File

@ -445,6 +445,17 @@ int strp_init(struct strparser *strp, struct sock *csk,
}
EXPORT_SYMBOL_GPL(strp_init);
void strp_unpause(struct strparser *strp)
{
strp->rx_paused = 0;
/* Sync setting rx_paused with RX work */
smp_mb();
queue_work(strp_wq, &strp->rx_work);
}
EXPORT_SYMBOL_GPL(strp_unpause);
/* strp must already be stopped so that strp_tcp_recv will no longer be called.
* Note that strp_done is not called with the lower socket held.
*/