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[NET]: {get|set}sockopt compatibility layer

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This patch extends {get|set}sockopt compatibility layer in order to
move protocol specific parts to their place and avoid huge universal
net/compat.c file in the future.

Signed-off-by: Dmitry Mishin <dim@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Dmitry Mishin
2006-03-20 22:45:21 -08:00
committed by David S. Miller
parent c750360938
commit 3fdadf7d27
29 changed files with 928 additions and 139 deletions
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52
net/ipv6/udp.c
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@@ -880,16 +880,13 @@ static int udpv6_destroy_sock(struct sock *sk)
/*
* Socket option code for UDP
*/
static int udpv6_setsockopt(struct sock *sk, int level, int optname,
static int do_udpv6_setsockopt(struct sock *sk, int level, int optname,
char __user *optval, int optlen)
{
struct udp_sock *up = udp_sk(sk);
int val;
int err = 0;
if (level != SOL_UDP)
return ipv6_setsockopt(sk, level, optname, optval, optlen);
if(optlen<sizeof(int))
return -EINVAL;
@@ -927,15 +924,31 @@ static int udpv6_setsockopt(struct sock *sk, int level, int optname,
return err;
}
static int udpv6_getsockopt(struct sock *sk, int level, int optname,
static int udpv6_setsockopt(struct sock *sk, int level, int optname,
char __user *optval, int optlen)
{
if (level != SOL_UDP)
return ipv6_setsockopt(sk, level, optname, optval, optlen);
return do_udpv6_setsockopt(sk, level, optname, optval, optlen);
}
#ifdef CONFIG_COMPAT
static int compat_udpv6_setsockopt(struct sock *sk, int level, int optname,
char __user *optval, int optlen)
{
if (level != SOL_UDP)
return compat_ipv6_setsockopt(sk, level,
optname, optval, optlen);
return do_udpv6_setsockopt(sk, level, optname, optval, optlen);
}
#endif
static int do_udpv6_getsockopt(struct sock *sk, int level, int optname,
char __user *optval, int __user *optlen)
{
struct udp_sock *up = udp_sk(sk);
int val, len;
if (level != SOL_UDP)
return ipv6_getsockopt(sk, level, optname, optval, optlen);
if(get_user(len,optlen))
return -EFAULT;
@@ -964,6 +977,25 @@ static int udpv6_getsockopt(struct sock *sk, int level, int optname,
return 0;
}
static int udpv6_getsockopt(struct sock *sk, int level, int optname,
char __user *optval, int __user *optlen)
{
if (level != SOL_UDP)
return ipv6_getsockopt(sk, level, optname, optval, optlen);
return do_udpv6_getsockopt(sk, level, optname, optval, optlen);
}
#ifdef CONFIG_COMPAT
static int compat_udpv6_getsockopt(struct sock *sk, int level, int optname,
char __user *optval, int __user *optlen)
{
if (level != SOL_UDP)
return compat_ipv6_getsockopt(sk, level,
optname, optval, optlen);
return do_udpv6_getsockopt(sk, level, optname, optval, optlen);
}
#endif
static struct inet6_protocol udpv6_protocol = {
.handler = udpv6_rcv,
.err_handler = udpv6_err,
@@ -1046,6 +1078,10 @@ struct proto udpv6_prot = {
.destroy = udpv6_destroy_sock,
.setsockopt = udpv6_setsockopt,
.getsockopt = udpv6_getsockopt,
#ifdef CONFIG_COMPAT
.compat_setsockopt = compat_udpv6_setsockopt,
.compat_getsockopt = compat_udpv6_getsockopt,
#endif
.sendmsg = udpv6_sendmsg,
.recvmsg = udpv6_recvmsg,
.backlog_rcv = udpv6_queue_rcv_skb,