diff options
Diffstat (limited to 'include/linux/inetdevice.h')
| -rw-r--r-- | include/linux/inetdevice.h | 34 |
1 files changed, 18 insertions, 16 deletions
diff --git a/include/linux/inetdevice.h b/include/linux/inetdevice.h index 2be1a1a2beb9..ae8fdc54e0c0 100644 --- a/include/linux/inetdevice.h +++ b/include/linux/inetdevice.h @@ -9,6 +9,7 @@ #include <linux/rcupdate.h> #include <linux/timer.h> #include <linux/sysctl.h> +#include <linux/rtnetlink.h> enum { @@ -40,10 +41,12 @@ enum __IPV4_DEVCONF_MAX }; +#define IPV4_DEVCONF_MAX (__IPV4_DEVCONF_MAX - 1) + struct ipv4_devconf { void *sysctl; - int data[__IPV4_DEVCONF_MAX - 1]; - DECLARE_BITMAP(state, __IPV4_DEVCONF_MAX - 1); + int data[IPV4_DEVCONF_MAX]; + DECLARE_BITMAP(state, IPV4_DEVCONF_MAX); }; struct in_device { @@ -51,9 +54,8 @@ struct in_device { atomic_t refcnt; int dead; struct in_ifaddr *ifa_list; /* IP ifaddr chain */ - rwlock_t mc_list_lock; - struct ip_mc_list *mc_list; /* IP multicast filter chain */ - int mc_count; /* Number of installed mcasts */ + struct ip_mc_list __rcu *mc_list; /* IP multicast filter chain */ + int mc_count; /* Number of installed mcasts */ spinlock_t mc_tomb_lock; struct ip_mc_list *mc_tomb; unsigned long mr_v1_seen; @@ -90,7 +92,7 @@ static inline void ipv4_devconf_set(struct in_device *in_dev, int index, static inline void ipv4_devconf_setall(struct in_device *in_dev) { - bitmap_fill(in_dev->cnf.state, __IPV4_DEVCONF_MAX - 1); + bitmap_fill(in_dev->cnf.state, IPV4_DEVCONF_MAX); } #define IN_DEV_CONF_GET(in_dev, attr) \ @@ -158,7 +160,12 @@ struct in_ifaddr { extern int register_inetaddr_notifier(struct notifier_block *nb); extern int unregister_inetaddr_notifier(struct notifier_block *nb); -extern struct net_device *ip_dev_find(struct net *net, __be32 addr); +extern struct net_device *__ip_dev_find(struct net *net, __be32 addr, bool devref); +static inline struct net_device *ip_dev_find(struct net *net, __be32 addr) +{ + return __ip_dev_find(net, addr, true); +} + extern int inet_addr_onlink(struct in_device *in_dev, __be32 a, __be32 b); extern int devinet_ioctl(struct net *net, unsigned int cmd, void __user *); extern void devinet_init(void); @@ -198,14 +205,10 @@ static __inline__ int bad_mask(__be32 mask, __be32 addr) static inline struct in_device *__in_dev_get_rcu(const struct net_device *dev) { - struct in_device *in_dev = dev->ip_ptr; - if (in_dev) - in_dev = rcu_dereference(in_dev); - return in_dev; + return rcu_dereference(dev->ip_ptr); } -static __inline__ struct in_device * -in_dev_get(const struct net_device *dev) +static inline struct in_device *in_dev_get(const struct net_device *dev) { struct in_device *in_dev; @@ -217,10 +220,9 @@ in_dev_get(const struct net_device *dev) return in_dev; } -static __inline__ struct in_device * -__in_dev_get_rtnl(const struct net_device *dev) +static inline struct in_device *__in_dev_get_rtnl(const struct net_device *dev) { - return (struct in_device*)dev->ip_ptr; + return rtnl_dereference(dev->ip_ptr); } extern void in_dev_finish_destroy(struct in_device *idev); |