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ipv4,ipv6 mroute: Add some helper inline functions to remove ugly ifdefs.

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ip{,v6}_mroute_{set,get}sockopt() should not matter by optimization but
it would be better not to depend on optimization semantically.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
This commit is contained in:
YOSHIFUJI Hideaki 2008-07-03 16:51:22 +09:00
parent 03d2f897e9
commit e0835f8fa5
3 changed files with 59 additions and 8 deletions
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27
include/linux/mroute.h
View file

@ -144,10 +144,37 @@ static inline int ip_mroute_opt(int opt)
}
#endif
#ifdef CONFIG_IP_MROUTE
extern int ip_mroute_setsockopt(struct sock *, int, char __user *, int);
extern int ip_mroute_getsockopt(struct sock *, int, char __user *, int __user *);
extern int ipmr_ioctl(struct sock *sk, int cmd, void __user *arg);
extern int ip_mr_init(void);
#else
static inline
int ip_mroute_setsockopt(struct sock *sock,
int optname, char __user *optval, int optlen)
{
return -ENOPROTOOPT;
}
static inline
int ip_mroute_getsockopt(struct sock *sock,
int optname, char __user *optval, int __user *optlen)
{
return -ENOPROTOOPT;
}
static inline
int ipmr_ioctl(struct sock *sk, int cmd, void __user *arg)
{
return -ENOIOCTLCMD;
}
static inline int ip_mr_init(void)
{
return 0;
}
#endif
struct vif_device
{

32
include/linux/mroute6.h
View file

@ -131,12 +131,44 @@ static inline int ip6_mroute_opt(int opt)
struct sock;
#ifdef CONFIG_IPV6_MROUTE
extern int ip6_mroute_setsockopt(struct sock *, int, char __user *, int);
extern int ip6_mroute_getsockopt(struct sock *, int, char __user *, int __user *);
extern int ip6_mr_input(struct sk_buff *skb);
extern int ip6mr_ioctl(struct sock *sk, int cmd, void __user *arg);
extern int ip6_mr_init(void);
extern void ip6_mr_cleanup(void);
#else
static inline
int ip6_mroute_setsockopt(struct sock *sock,
int optname, char __user *optval, int optlen)
{
return -ENOPROTOOPT;
}
static inline
int ip6_mroute_getsockopt(struct sock *sock,
int optname, char __user *optval, int __user *optlen)
{
return -ENOPROTOOPT;
}
static inline
int ip6mr_ioctl(struct sock *sk, int cmd, void __user *arg)
{
return -ENOIOCTLCMD;
}
static inline int ip6_mr_init(void)
{
return 0;
}
static inline void ip6_mr_cleanup(void)
{
return;
}
#endif
struct mif_device
{

8
net/ipv6/af_inet6.c
View file

@ -59,9 +59,7 @@
#include <asm/uaccess.h>
#include <asm/system.h>
#ifdef CONFIG_IPV6_MROUTE
#include <linux/mroute6.h>
#endif
MODULE_AUTHOR("Cast of dozens");
MODULE_DESCRIPTION("IPv6 protocol stack for Linux");
@ -952,11 +950,9 @@ static int __init inet6_init(void)
err = icmpv6_init();
if (err)
goto icmp_fail;
#ifdef CONFIG_IPV6_MROUTE
err = ip6_mr_init();
if (err)
goto ipmr_fail;
#endif
err = ndisc_init();
if (err)
goto ndisc_fail;
@ -1059,10 +1055,8 @@ netfilter_fail:
igmp_fail:
ndisc_cleanup();
ndisc_fail:
#ifdef CONFIG_IPV6_MROUTE
ip6_mr_cleanup();
ipmr_fail:
#endif
icmpv6_cleanup();
icmp_fail:
unregister_pernet_subsys(&inet6_net_ops);
@ -1117,9 +1111,7 @@ static void __exit inet6_exit(void)
ipv6_netfilter_fini();
igmp6_cleanup();
ndisc_cleanup();
#ifdef CONFIG_IPV6_MROUTE
ip6_mr_cleanup();
#endif
icmpv6_cleanup();
rawv6_exit();