diff options
| author |   Jakub Kicinski <jakub.kicinski@netronome.com> | 2019-02-25 19:34:03 -0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2019-02-26 08:49:05 -0800 |
| commit | b473b0d23529cde6c825a592c035e9d910b19e21 (patch) | |
| tree | 9a3fbac499f820e7cb565296f79b5d0207d8d5ae /include/linux/netdevice.h | |
| parent | net: devlink: turn devlink into a built-in (diff) | |
| download | linux-dev-b473b0d23529cde6c825a592c035e9d910b19e21.tar.xz linux-dev-b473b0d23529cde6c825a592c035e9d910b19e21.zip | |
devlink: create a special NDO for getting the devlink instance
Instead of iterating over all devlink ports add a NDO which
will return the devlink instance from the driver.
v2: add the netdev_to_devlink() helper (Michal)
v3: check that devlink has ops (Florian)
v4: hold devlink_mutex (Jiri)
Suggested-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/netdevice.h')
| -rw-r--r-- | include/linux/netdevice.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index ffbddd03242b..58e83bd7a861 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -941,6 +941,8 @@ struct dev_ifalias { char ifalias[]; }; +struct devlink; + /* * This structure defines the management hooks for network devices. * The following hooks can be defined; unless noted otherwise, they are @@ -1249,6 +1251,10 @@ struct dev_ifalias { * that got dropped are freed/returned via xdp_return_frame(). * Returns negative number, means general error invoking ndo, meaning * no frames were xmit'ed and core-caller will free all frames. + * struct devlink *(*ndo_get_devlink)(struct net_device *dev); + * Get devlink instance associated with a given netdev. + * Called with a reference on the netdevice and devlink locks only, + * rtnl_lock is not held. */ struct net_device_ops { int (*ndo_init)(struct net_device *dev); @@ -1447,6 +1453,7 @@ struct net_device_ops { u32 flags); int (*ndo_xsk_async_xmit)(struct net_device *dev, u32 queue_id); + struct devlink * (*ndo_get_devlink)(struct net_device *dev); }; /** |