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| author |   Herbert Xu <herbert@gondor.apana.org.au> | 2010-06-10 16:12:47 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2010-06-15 10:58:39 -0700 |
| commit | 4247e161b12f8dffb7ee3ee07bc5e61f714ebe2d (patch) | |
| tree | 95edfebfb67abcfb95b1865ce8d78e44c1c153c5 | |
| parent | netpoll: Add locking for netpoll_setup/cleanup (diff) | |
| download | linux-dev-4247e161b12f8dffb7ee3ee07bc5e61f714ebe2d.tar.xz linux-dev-4247e161b12f8dffb7ee3ee07bc5e61f714ebe2d.zip | |
netpoll: Add ndo_netpoll_setup
This patch adds ndo_netpoll_setup as the initialisation primitive
to complement ndo_netpoll_cleanup.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | include/linux/netdevice.h | 2 | ||||
| -rw-r--r-- | net/core/netpoll.c | 10 |
2 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 4fbccc5f609a..fb20cc55ba52 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -744,6 +744,8 @@ struct net_device_ops { unsigned short vid); #ifdef CONFIG_NET_POLL_CONTROLLER void (*ndo_poll_controller)(struct net_device *dev); + int (*ndo_netpoll_setup)(struct net_device *dev, + struct netpoll_info *info); void (*ndo_netpoll_cleanup)(struct net_device *dev); #endif int (*ndo_set_vf_mac)(struct net_device *dev, diff --git a/net/core/netpoll.c b/net/core/netpoll.c index d10c249bcc8f..7de6dcad5d79 100644 --- a/net/core/netpoll.c +++ b/net/core/netpoll.c @@ -698,6 +698,7 @@ int netpoll_setup(struct netpoll *np) struct net_device *ndev = NULL; struct in_device *in_dev; struct netpoll_info *npinfo; + const struct net_device_ops *ops; unsigned long flags; int err; @@ -797,6 +798,13 @@ int netpoll_setup(struct netpoll *np) INIT_DELAYED_WORK(&npinfo->tx_work, queue_process); atomic_set(&npinfo->refcnt, 1); + + ops = np->dev->netdev_ops; + if (ops->ndo_netpoll_setup) { + err = ops->ndo_netpoll_setup(ndev, npinfo); + if (err) + goto free_npinfo; + } } else { npinfo = ndev->npinfo; atomic_inc(&npinfo->refcnt); @@ -817,6 +825,8 @@ int netpoll_setup(struct netpoll *np) return 0; +free_npinfo: + kfree(npinfo); unlock: rtnl_unlock(); put: |