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

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

Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko 2012-07-20 02:28:47 +00:00 committed by David S. Miller
parent ee6ae1a1d5
commit d40156aa5e
3 changed files with 22 additions and 18 deletions
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6
drivers/net/bonding/bond_main.c
View File

@ -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.

10
include/net/rtnetlink.h
View File

@ -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);

16
net/core/rtnetlink.c
View File

@ -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;