From 93e2c32b5cb2ad92ceb1d7a4684f20a0d25bf530 Mon Sep 17 00:00:00 2001 From: Jiri Pirko Date: Thu, 10 Jun 2010 03:34:59 +0000 Subject: net: add rx_handler data pointer Add possibility to register rx_handler data pointer along with a rx_handler. Signed-off-by: Jiri Pirko Signed-off-by: David S. Miller --- net/bridge/br_if.c | 2 +- net/core/dev.c | 6 +++++- 2 files changed, 6 insertions(+), 2 deletions(-) (limited to 'net') diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c index 97ac9da..0d142ed 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 a1abc10..abdb19e 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); -- cgit v1.1