From b76238168991f8b000c90ba053f6f125e4cf1e8c Mon Sep 17 00:00:00 2001 From: Daode Huang Date: Tue, 21 Jun 2016 11:56:31 +0800 Subject: net: hns: add spin lock for tcam table operation This patch adds spin lock for tcam table operation, there maybe a race condition happens when more than one thread try to change the tcam talbe entries. Signed-off-by: Daode Huang Signed-off-by: Yisen Zhuang Signed-off-by: David S. Miller --- drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.h') diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.h b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.h index 00a13debbf9a..1daf018d9071 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.h +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.h @@ -322,6 +322,8 @@ struct dsaf_device { struct dsaf_hw_stats hw_stats[DSAF_NODE_NUM]; struct dsaf_int_stat int_stat; + /* make sure tcam table config spinlock */ + spinlock_t tcam_lock; }; static inline void *hns_dsaf_dev_priv(const struct dsaf_device *dsaf_dev) -- cgit