[PATCH] netdevice: add netdev_pub helper function
From: "Jason A. Donenfeld" <Jason@zx2c4.com>
Date: 2015-06-12 13:30:35
Also in:
lkml
Subsystem:
networking drivers, networking [general], the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Being able to utilize this makes much code a lot simpler and cleaner. It's a nice convenience function. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> --- include/linux/netdevice.h | 11 +++++++++++ 1 file changed, 11 insertions(+)
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 05b9a69..f85be18 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h@@ -1871,6 +1871,17 @@ static inline void *netdev_priv(const struct net_device *dev) return (char *)dev + ALIGN(sizeof(struct net_device), NETDEV_ALIGN); } +/** + * netdev_pub - access network device from private pointer + * @priv: private data pointer of network device + * + * Get network device from a network device private data pointer + */ +static inline struct net_device *netdev_pub(void *priv) +{ + return (struct net_device *)((char *)priv - ALIGN(sizeof(struct net_device), NETDEV_ALIGN)); +} + /* Set the sysfs physical device reference for the network logical device * if set prior to registration will cause a symlink during initialization. */
--
2.4.2