diff options
| author | Jiri Pirko <jpirko@redhat.com> | 2010-06-10 07:34:59 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-06-15 22:47:11 +0400 |
| commit | 93e2c32b5cb2ad92ceb1d7a4684f20a0d25bf530 (patch) | |
| tree | c15af2642af01702097ade735506d15d7a910c54 | |
| parent | 91d2c34a4eed32876ca333b0ca44f3bc56645805 (diff) | |
| download | linux-93e2c32b5cb2ad92ceb1d7a4684f20a0d25bf530.tar.xz | |
net: add rx_handler data pointer
Add possibility to register rx_handler data pointer along with a rx_handler.
Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/macvlan.c | 2 | ||||
| -rw-r--r-- | include/linux/netdevice.h | 4 | ||||
| -rw-r--r-- | net/bridge/br_if.c | 2 | ||||
| -rw-r--r-- | net/core/dev.c | 6 |
4 files changed, 10 insertions, 4 deletions
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c index 59c315556a30..87a3bf69c4a3 100644 --- a/drivers/net/macvlan.c +++ b/drivers/net/macvlan.c @@ -532,7 +532,7 @@ static int macvlan_port_create(struct net_device *dev) INIT_HLIST_HEAD(&port->vlan_hash[i]); rcu_assign_pointer(dev->macvlan_port, port); - err = netdev_rx_handler_register(dev, macvlan_handle_frame); + err = netdev_rx_handler_register(dev, macvlan_handle_frame, NULL); if (err) { rcu_assign_pointer(dev->macvlan_port, NULL); kfree(port); diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index fb20cc55ba52..361ff1145cf1 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -979,6 +979,7 @@ struct net_device { struct netdev_queue rx_queue; rx_handler_func_t *rx_handler; + void *rx_handler_data; struct netdev_queue *_tx ____cacheline_aligned_in_smp; @@ -1712,7 +1713,8 @@ static inline void napi_free_frags(struct napi_struct *napi) } extern int netdev_rx_handler_register(struct net_device *dev, - rx_handler_func_t *rx_handler); + rx_handler_func_t *rx_handler, + void *rx_handler_data); extern void netdev_rx_handler_unregister(struct net_device *dev); extern void netif_nit_deliver(struct sk_buff *skb); diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c index 97ac9da4d76c..0d142ed0bbe3 100644 --- a/net/bridge/br_if.c +++ b/net/bridge/br_if.c @@ -433,7 +433,7 @@ int br_add_if(struct net_bridge *br, struct net_device *dev) rcu_assign_pointer(dev->br_port, p); - err = netdev_rx_handler_register(dev, br_handle_frame); + err = netdev_rx_handler_register(dev, br_handle_frame, NULL); if (err) goto err4; diff --git a/net/core/dev.c b/net/core/dev.c index a1abc10db08a..abdb19e547a7 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -2703,6 +2703,7 @@ void netif_nit_deliver(struct sk_buff *skb) * netdev_rx_handler_register - register receive handler * @dev: device to register a handler for * @rx_handler: receive handler to register + * @rx_handler_data: data pointer that is used by rx handler * * Register a receive hander for a device. This handler will then be * called from __netif_receive_skb. A negative errno code is returned @@ -2711,13 +2712,15 @@ void netif_nit_deliver(struct sk_buff *skb) * The caller must hold the rtnl_mutex. */ int netdev_rx_handler_register(struct net_device *dev, - rx_handler_func_t *rx_handler) + rx_handler_func_t *rx_handler, + void *rx_handler_data) { ASSERT_RTNL(); if (dev->rx_handler) return -EBUSY; + rcu_assign_pointer(dev->rx_handler_data, rx_handler_data); rcu_assign_pointer(dev->rx_handler, rx_handler); return 0; @@ -2737,6 +2740,7 @@ void netdev_rx_handler_unregister(struct net_device *dev) ASSERT_RTNL(); rcu_assign_pointer(dev->rx_handler, NULL); + rcu_assign_pointer(dev->rx_handler_data, NULL); } EXPORT_SYMBOL_GPL(netdev_rx_handler_unregister); |