[PATCH net-next-2.6 1/4] net: introduce mc list helpers
From: Jiri Pirko <hidden>
Date: 2009-10-22 13:52:35
Also in:
linux-media
Subsystem:
networking drivers, networking [general], the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
This helpers should be used by network drivers to access to netdev multicast lists. Signed-off-by: Jiri Pirko <redacted> --- include/linux/netdevice.h | 22 ++++++++++++++++++++++ 1 files changed, 22 insertions(+), 0 deletions(-)
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 8380009..7edc4a6 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h@@ -921,6 +921,28 @@ struct net_device #define NETDEV_ALIGN 32 +static inline int netdev_mc_count(struct net_device *dev) +{ + return dev->mc_count; +} + +static inline bool netdev_mc_empty(struct net_device *dev) +{ + return netdev_mc_count(dev) == 0; +} + +static inline void netdev_mc_walk(struct net_device *dev, + void (*func)(void *, unsigned char *), + void *data) +{ + struct dev_addr_list *mclist; + int i; + + for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count; + i++, mclist = mclist->next) + func(data, mclist->dmi_addr); +} + static inline struct netdev_queue *netdev_get_tx_queue(const struct net_device *dev, unsigned int index)
--
1.6.2.5