int dccp_setsockopt(struct sock *sk, int level, int optname,
char __user *optval, int optlen)
{
struct dccp_sock *dp;
int err;
int val;
if (level != SOL_DCCP)
return ip_setsockopt(sk, level, optname, optval, optlen);
if (optlen < sizeof(int))
return -EINVAL;
if (get_user(val, (int __user *)optval))
return -EFAULT;
if (optname == DCCP_SOCKOPT_SERVICE)
return dccp_setsockopt_service(sk, val, optval, optlen);
lock_sock(sk);
dp = dccp_sk(sk);
err = 0;
switch (optname) {
case DCCP_SOCKOPT_PACKET_SIZE:
dp->dccps_packet_size = val;
break;
default:
err = -ENOPROTOOPT;
break;
}
release_sock(sk);
return err;
}
static int raw_setsockopt(struct sock *sk, int level, int optname,
char __user *optval, unsigned int optlen)
{
if (level != SOL_RAW)
return ip_setsockopt(sk, level, optname, optval, optlen);
return do_raw_setsockopt(sk, level, optname, optval, optlen);
}
static int raw_setsockopt(struct sock *sk, int level, int optname,
char __user *optval, int optlen)
{
if (level != SOL_RAW)
return ip_setsockopt(sk, level, optname, optval, optlen);
if (optname == ICMP_FILTER) {
if (inet_sk(sk)->num != IPPROTO_ICMP)
return -EOPNOTSUPP;
else
return raw_seticmpfilter(sk, optval, optlen);
}
return -ENOPROTOOPT;
}
