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Commit 26372605 authored by Petr Machata's avatar Petr Machata Committed by David S. Miller
Browse files

net: core: dev: Add call_netdevice_notifiers_extack() 



In order to propagate extack through NETDEV_PRE_UP, add a new function
call_netdevice_notifiers_extack() that primes the extack field of the
notifier info. Convert call_netdevice_notifiers() to a simple wrapper
around the new function that passes NULL for extack.

Signed-off-by: default avatarPetr Machata <petrm@mellanox.com>
Acked-by: default avatarJiri Pirko <jiri@mellanox.com>
Reviewed-by: default avatarIdo Schimmel <idosch@mellanox.com>
Reviewed-by: default avatarDavid Ahern <dsahern@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 6d040321

net/core/dev.c

+16 −5
Original line number Diff line number Diff line
@@ -162,6 +162,9 @@ static struct list_head offload_base __read_mostly; 
static int netif_rx_internal(struct sk_buff *skb);

static int call_netdevice_notifiers_info(unsigned long val,

					 struct netdev_notifier_info *info);

static int call_netdevice_notifiers_extack(unsigned long val,

					   struct net_device *dev,

					   struct netlink_ext_ack *extack);

static struct napi_struct *napi_by_id(unsigned int napi_id);



/*
@@ -1734,6 +1737,18 @@ static int call_netdevice_notifiers_info(unsigned long val, 
	return raw_notifier_call_chain(&netdev_chain, val, info);

}



static int call_netdevice_notifiers_extack(unsigned long val,

					   struct net_device *dev,

					   struct netlink_ext_ack *extack)

{

	struct netdev_notifier_info info = {

		.dev = dev,

		.extack = extack,

	};



	return call_netdevice_notifiers_info(val, &info);

}



/**

 *	call_netdevice_notifiers - call all network notifier blocks

 *      @val: value passed unmodified to notifier function
@@ -1745,11 +1760,7 @@ static int call_netdevice_notifiers_info(unsigned long val, 


int call_netdevice_notifiers(unsigned long val, struct net_device *dev)

{

	struct netdev_notifier_info info = {

		.dev = dev,

	};



	return call_netdevice_notifiers_info(val, &info);

	return call_netdevice_notifiers_extack(val, dev, NULL);

}

EXPORT_SYMBOL(call_netdevice_notifiers);