diff options
Diffstat (limited to 'src/compat/compat.h')
| -rw-r--r-- | src/compat/compat.h | 47 |
1 files changed, 46 insertions, 1 deletions
diff --git a/src/compat/compat.h b/src/compat/compat.h index a373c83..451078f 100644 --- a/src/compat/compat.h +++ b/src/compat/compat.h @@ -305,7 +305,52 @@ static inline u64 ktime_get_ns(void) #if LINUX_VERSION_CODE < KERNEL_VERSION(3, 14, 0) #include <linux/inetdevice.h> -#define inet_confirm_addr(a,b,c,d,e) inet_confirm_addr(b,c,d,e) +static inline __be32 our_confirm_addr_indev(struct in_device *in_dev, __be32 dst, __be32 local, int scope) +{ + int same = 0; + __be32 addr = 0; + for_ifa(in_dev) { + if (!addr && (local == ifa->ifa_local || !local) && ifa->ifa_scope <= scope) { + addr = ifa->ifa_local; + if (same) + break; + } + if (!same) { + same = (!local || inet_ifa_match(local, ifa)) && (!dst || inet_ifa_match(dst, ifa)); + if (same && addr) { + if (local || !dst) + break; + if (inet_ifa_match(addr, ifa)) + break; + if (ifa->ifa_scope <= scope) { + addr = ifa->ifa_local; + break; + } + same = 0; + } + } + } endfor_ifa(in_dev); + return same ? addr : 0; +} +static inline __be32 our_inet_confirm_addr(struct net *net, struct in_device *in_dev, __be32 dst, __be32 local, int scope) +{ + __be32 addr = 0; + struct net_device *dev; + if (in_dev) + return our_confirm_addr_indev(in_dev, dst, local, scope); + rcu_read_lock(); + for_each_netdev_rcu(net, dev) { + in_dev = __in_dev_get_rcu(dev); + if (in_dev) { + addr = our_confirm_addr_indev(in_dev, dst, local, scope); + if (addr) + break; + } + } + rcu_read_unlock(); + return addr; +} +#define inet_confirm_addr our_inet_confirm_addr #endif #if LINUX_VERSION_CODE < KERNEL_VERSION(4, 12, 0) |