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| author | David S. Miller <davem@davemloft.net> | 2021-06-03 15:00:30 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-06-03 15:00:30 -0700 |
| commit | fcd1a53064cf44ef912c354859027ef291147848 (patch) | |
| tree | f6f4443f771e50da85f41dfca713304900624292 /net | |
| parent | 6a8dd8b2fa5b7cec4b13f5f5b2589d9abbac0fab (diff) | |
| parent | f68406ca3b77c90d249e7f50e8f3015408d9ad4a (diff) | |
| download | lwn-fcd1a53064cf44ef912c354859027ef291147848.tar.gz lwn-fcd1a53064cf44ef912c354859027ef291147848.zip | |
Merge tag 'mlx5-updates-2021-06-03' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
This series provides misc updates for mlx5 drivers.
For more information please see tag log below.
Please pull and let me know if there is any problem.
mlx5-updates-2021-06-03
This series contains misc updates for mlx5 driver
1) Alaa disables advanced features when kdump mode to save on memory
2) Jakub counts all link flap events
3) Meir adds support for IPoIB NDR speed
4) Various misc cleanup
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/sched/sch_generic.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c index fc8b56bcabf3..e9c0afc8becc 100644 --- a/net/sched/sch_generic.c +++ b/net/sched/sch_generic.c @@ -540,6 +540,24 @@ void netif_carrier_off(struct net_device *dev) } EXPORT_SYMBOL(netif_carrier_off); +/** + * netif_carrier_event - report carrier state event + * @dev: network device + * + * Device has detected a carrier event but the carrier state wasn't changed. + * Use in drivers when querying carrier state asynchronously, to avoid missing + * events (link flaps) if link recovers before it's queried. + */ +void netif_carrier_event(struct net_device *dev) +{ + if (dev->reg_state == NETREG_UNINITIALIZED) + return; + atomic_inc(&dev->carrier_up_count); + atomic_inc(&dev->carrier_down_count); + linkwatch_fire_event(dev); +} +EXPORT_SYMBOL_GPL(netif_carrier_event); + /* "NOOP" scheduler: the best scheduler, recommended for all interfaces under all circumstances. It is difficult to invent anything faster or cheaper. |