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authorJakub Kicinski <jakub.kicinski@netronome.com>2019-02-25 19:34:03 -0800
committerDavid S. Miller <davem@davemloft.net>2019-02-26 08:49:05 -0800
commitb473b0d23529cde6c825a592c035e9d910b19e21 (patch)
tree9a3fbac499f820e7cb565296f79b5d0207d8d5ae /include/net/devlink.h
parentf4b6bcc7002f0e3a3428bac33cf1945abff95450 (diff)
downloadlinux-b473b0d23529cde6c825a592c035e9d910b19e21.tar.bz2
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/net/devlink.h')
-rw-r--r--include/net/devlink.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/net/devlink.h b/include/net/devlink.h
index f9f7fe974652..7f5a0bdca228 100644
--- a/include/net/devlink.h
+++ b/include/net/devlink.h
@@ -538,6 +538,15 @@ static inline struct devlink *priv_to_devlink(void *priv)
return container_of(priv, struct devlink, priv);
}
+static inline struct devlink *netdev_to_devlink(struct net_device *dev)
+{
+#if IS_ENABLED(CONFIG_NET_DEVLINK)
+ if (dev->netdev_ops->ndo_get_devlink)
+ return dev->netdev_ops->ndo_get_devlink(dev);
+#endif
+ return NULL;
+}
+
struct ib_device;
#if IS_ENABLED(CONFIG_NET_DEVLINK)