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Commit b6ccba4c authored by Veaceslav Falico's avatar Veaceslav Falico Committed by David S. Miller
Browse files

net: add a possibility to get private from netdev_adjacent->list 



It will be useful to get first/last element.

CC: "David S. Miller" <davem@davemloft.net>
CC: Eric Dumazet <edumazet@google.com>
CC: Jiri Pirko <jiri@resnulli.us>
CC: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: default avatarVeaceslav Falico <vfalico@redhat.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 70039aa7

include/linux/netdevice.h

+1 −0
Original line number Diff line number Diff line
@@ -2850,6 +2850,7 @@ extern void *netdev_lower_get_next_private_rcu(struct net_device *dev, 
	     priv; \

	     priv = netdev_lower_get_next_private_rcu(dev, &(iter)))



extern void *netdev_adjacent_get_private(struct list_head *adj_list);

extern struct net_device *netdev_master_upper_dev_get(struct net_device *dev);

extern struct net_device *netdev_master_upper_dev_get_rcu(struct net_device *dev);

extern int netdev_upper_dev_link(struct net_device *dev,

net/core/dev.c

+10 −0
Original line number Diff line number Diff line
@@ -4466,6 +4466,16 @@ struct net_device *netdev_master_upper_dev_get(struct net_device *dev) 
}

EXPORT_SYMBOL(netdev_master_upper_dev_get);



void *netdev_adjacent_get_private(struct list_head *adj_list)

{

	struct netdev_adjacent *adj;



	adj = list_entry(adj_list, struct netdev_adjacent, list);



	return adj->private;

}

EXPORT_SYMBOL(netdev_adjacent_get_private);



/**

 * netdev_all_upper_get_next_dev_rcu - Get the next dev from upper list

 * @dev: device