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net/ncsi: Introduce ncsi_stop_dev()

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This introduces ncsi_stop_dev(), as counterpart to ncsi_start_dev(),
to stop the NCSI device so that it can be reenabled in future. This
API should be called when the network device driver is going to
shutdown the device. There are 3 things done in the function: Stop
the channel monitoring; Reset channels to inactive state; Report
NCSI link down.

Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Gavin Shan
2016-10-04 11:25:53 +11:00
committed by David S. Miller
parent 83afdc6aad
commit c0cd1ba4f8
2 changed files with 29 additions and 13 deletions
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5
include/net/ncsi.h
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@@ -31,6 +31,7 @@ struct ncsi_dev {
struct ncsi_dev *ncsi_register_dev(struct net_device *dev,
void (*notifier)(struct ncsi_dev *nd));
int ncsi_start_dev(struct ncsi_dev *nd);
void ncsi_stop_dev(struct ncsi_dev *nd);
void ncsi_unregister_dev(struct ncsi_dev *nd);
#else /* !CONFIG_NET_NCSI */
static inline struct ncsi_dev *ncsi_register_dev(struct net_device *dev,
@@ -44,6 +45,10 @@ static inline int ncsi_start_dev(struct ncsi_dev *nd)
return -ENOTTY;
}
static void ncsi_stop_dev(struct ncsi_dev *nd)
{
}
static inline void ncsi_unregister_dev(struct ncsi_dev *nd)
{
}