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Commit d40156aa authored by Jiri Pirko's avatar Jiri Pirko Committed by David S. Miller
Browse files

rtnl: allow to specify different num for rx and tx queue count 



Also cut out unused function parameters and possible err in return
value.

Signed-off-by: default avatarJiri Pirko <jiri@resnulli.us>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent ee6ae1a1

drivers/net/bonding/bond_main.c

+8 −6
Original line number Diff line number Diff line
@@ -4845,7 +4845,7 @@ static int bond_validate(struct nlattr *tb[], struct nlattr *data[]) 
	return 0;

}



static int bond_get_tx_queues(struct net *net, struct nlattr *tb[])

static unsigned int bond_get_num_tx_queues(void)

{

	return tx_queues;

}
@@ -4855,7 +4855,9 @@ static struct rtnl_link_ops bond_link_ops __read_mostly = { 
	.priv_size		= sizeof(struct bonding),

	.setup			= bond_setup,

	.validate		= bond_validate,

	.get_tx_queues	= bond_get_tx_queues,

	.get_num_tx_queues	= bond_get_num_tx_queues,

	.get_num_rx_queues	= bond_get_num_tx_queues, /* Use the same number

							     as for TX queues */

};



/* Create a new bond based on the specified name and bonding parameters.

include/net/rtnetlink.h

+6 −4
Original line number Diff line number Diff line
@@ -44,8 +44,10 @@ static inline int rtnl_msg_family(const struct nlmsghdr *nlh) 
 *	@get_xstats_size: Function to calculate required room for dumping device

 *			  specific statistics

 *	@fill_xstats: Function to dump device specific statistics

 *	@get_tx_queues: Function to determine number of transmit queues to create when

 *		        creating a new device.

 *	@get_num_tx_queues: Function to determine number of transmit queues

 *			    to create when creating a new device.

 *	@get_num_rx_queues: Function to determine number of receive queues

 *			    to create when creating a new device.

 */

struct rtnl_link_ops {

	struct list_head	list;
@@ -77,8 +79,8 @@ struct rtnl_link_ops { 
	size_t			(*get_xstats_size)(const struct net_device *dev);

	int			(*fill_xstats)(struct sk_buff *skb,

					       const struct net_device *dev);

	int			(*get_tx_queues)(struct net *net,

						 struct nlattr *tb[]);

	unsigned int		(*get_num_tx_queues)(void);

	unsigned int		(*get_num_rx_queues)(void);

};



extern int	__rtnl_link_register(struct rtnl_link_ops *ops);

net/core/rtnetlink.c

+8 −8
Original line number Diff line number Diff line
@@ -1624,17 +1624,17 @@ struct net_device *rtnl_create_link(struct net *src_net, struct net *net, 
{

	int err;

	struct net_device *dev;

	unsigned int num_queues = 1;

	unsigned int num_tx_queues = 1;

	unsigned int num_rx_queues = 1;



	if (ops->get_tx_queues) {

		err = ops->get_tx_queues(src_net, tb);

		if (err < 0)

			goto err;

		num_queues = err;

	}

	if (ops->get_num_tx_queues)

		num_tx_queues = ops->get_num_tx_queues();

	if (ops->get_num_rx_queues)

		num_rx_queues = ops->get_num_rx_queues();



	err = -ENOMEM;

	dev = alloc_netdev_mq(ops->priv_size, ifname, ops->setup, num_queues);

	dev = alloc_netdev_mqs(ops->priv_size, ifname, ops->setup,

			       num_tx_queues, num_rx_queues);

	if (!dev)

		goto err;