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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 <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Dmitry Mishin 2006-03-20 22:45:21 -08:00 • committed by David S. Miller
commit 3fdadf7d27
29 changed files with 928 additions and 139 deletions
Download patch file Download diff file Expand all files Collapse all files

8
net/dccp/dccp.h
View file

@ -192,6 +192,14 @@ extern int dccp_getsockopt(struct sock *sk, int level, int optname,
char __user *optval, int __user *optlen);
extern int dccp_setsockopt(struct sock *sk, int level, int optname,
char __user *optval, int optlen);
#ifdef CONFIG_COMPAT
extern int compat_dccp_getsockopt(struct sock *sk,
int level, int optname,
char __user *optval, int __user *optlen);
extern int compat_dccp_setsockopt(struct sock *sk,
int level, int optname,
char __user *optval, int optlen);
#endif
extern int dccp_ioctl(struct sock *sk, int cmd, unsigned long arg);
extern int dccp_sendmsg(struct kiocb *iocb, struct sock *sk,
struct msghdr *msg, size_t size);

12
net/dccp/ipv4.c
View file

@ -994,6 +994,10 @@ static struct inet_connection_sock_af_ops dccp_ipv4_af_ops = {
.net_header_len = sizeof(struct iphdr),
.setsockopt = ip_setsockopt,
.getsockopt = ip_getsockopt,
#ifdef CONFIG_COMPAT
.compat_setsockopt = compat_ip_setsockopt,
.compat_getsockopt = compat_ip_getsockopt,
#endif
.addr2sockaddr = inet_csk_addr2sockaddr,
.sockaddr_len = sizeof(struct sockaddr_in),
};
@ -1040,6 +1044,10 @@ static struct proto dccp_v4_prot = {
.init = dccp_v4_init_sock,
.setsockopt = dccp_setsockopt,
.getsockopt = dccp_getsockopt,
#ifdef CONFIG_COMPAT
.compat_setsockopt = compat_dccp_setsockopt,
.compat_getsockopt = compat_dccp_getsockopt,
#endif
.sendmsg = dccp_sendmsg,
.recvmsg = dccp_recvmsg,
.backlog_rcv = dccp_v4_do_rcv,
@ -1079,6 +1087,10 @@ static const struct proto_ops inet_dccp_ops = {
.shutdown = inet_shutdown,
.setsockopt = sock_common_setsockopt,
.getsockopt = sock_common_getsockopt,
#ifdef CONFIG_COMPAT
.compat_setsockopt = compat_sock_common_setsockopt,
.compat_getsockopt = compat_sock_common_getsockopt,
#endif
.sendmsg = inet_sendmsg,
.recvmsg = sock_common_recvmsg,
.mmap = sock_no_mmap,

16
net/dccp/ipv6.c
View file

@ -1114,6 +1114,10 @@ static struct inet_connection_sock_af_ops dccp_ipv6_af_ops = {
.net_header_len = sizeof(struct ipv6hdr),
.setsockopt = ipv6_setsockopt,
.getsockopt = ipv6_getsockopt,
#ifdef CONFIG_COMPAT
.compat_setsockopt = compat_ipv6_setsockopt,
.compat_getsockopt = compat_ipv6_getsockopt,
#endif
.addr2sockaddr = inet6_csk_addr2sockaddr,
.sockaddr_len = sizeof(struct sockaddr_in6)
};
@ -1130,6 +1134,10 @@ static struct inet_connection_sock_af_ops dccp_ipv6_mapped = {
.net_header_len = sizeof(struct iphdr),
.setsockopt = ipv6_setsockopt,
.getsockopt = ipv6_getsockopt,
#ifdef CONFIG_COMPAT
.compat_setsockopt = compat_ipv6_setsockopt,
.compat_getsockopt = compat_ipv6_getsockopt,
#endif
.addr2sockaddr = inet6_csk_addr2sockaddr,
.sockaddr_len = sizeof(struct sockaddr_in6)
};
@ -1167,6 +1175,10 @@ static struct proto dccp_v6_prot = {
.init = dccp_v6_init_sock,
.setsockopt = dccp_setsockopt,
.getsockopt = dccp_getsockopt,
#ifdef CONFIG_COMPAT
.compat_setsockopt = compat_dccp_setsockopt,
.compat_getsockopt = compat_dccp_getsockopt,
#endif
.sendmsg = dccp_sendmsg,
.recvmsg = dccp_recvmsg,
.backlog_rcv = dccp_v6_do_rcv,
@ -1204,6 +1216,10 @@ static struct proto_ops inet6_dccp_ops = {
.shutdown = inet_shutdown,
.setsockopt = sock_common_setsockopt,
.getsockopt = sock_common_getsockopt,
#ifdef CONFIG_COMPAT
.compat_setsockopt = compat_sock_common_setsockopt,
.compat_getsockopt = compat_sock_common_getsockopt,
#endif
.sendmsg = inet_sendmsg,
.recvmsg = sock_common_recvmsg,
.mmap = sock_no_mmap,

67
net/dccp/proto.c
View file

@ -455,18 +455,13 @@ out_free_val:
goto out;
}
int dccp_setsockopt(struct sock *sk, int level, int optname,
char __user *optval, int optlen)
static int do_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 inet_csk(sk)->icsk_af_ops->setsockopt(sk, level,
optname, optval,
optlen);
if (optlen < sizeof(int))
return -EINVAL;
@ -512,8 +507,34 @@ int dccp_setsockopt(struct sock *sk, int level, int optname,
return err;
}
int dccp_setsockopt(struct sock *sk, int level, int optname,
char __user *optval, int optlen)
{
if (level != SOL_DCCP)
return inet_csk(sk)->icsk_af_ops->setsockopt(sk, level,
optname, optval,
optlen);
return do_dccp_setsockopt(sk, level, optname, optval, optlen);
}
EXPORT_SYMBOL_GPL(dccp_setsockopt);
#ifdef CONFIG_COMPAT
int compat_dccp_setsockopt(struct sock *sk, int level, int optname,
char __user *optval, int optlen)
{
if (level != SOL_DCCP) {
if (inet_csk(sk)->icsk_af_ops->compat_setsockopt)
return inet_csk(sk)->icsk_af_ops->compat_setsockopt(sk,
level, optname, optval, optlen);
else
return inet_csk(sk)->icsk_af_ops->setsockopt(sk,
level, optname, optval, optlen);
}
return do_dccp_setsockopt(sk, level, optname, optval, optlen);
}
EXPORT_SYMBOL_GPL(compat_dccp_setsockopt);
#endif
static int dccp_getsockopt_service(struct sock *sk, int len,
__be32 __user *optval,
int __user *optlen)
@ -545,16 +566,12 @@ out:
return err;
}
int dccp_getsockopt(struct sock *sk, int level, int optname,
static int do_dccp_getsockopt(struct sock *sk, int level, int optname,
char __user *optval, int __user *optlen)
{
struct dccp_sock *dp;
int val, len;
if (level != SOL_DCCP)
return inet_csk(sk)->icsk_af_ops->getsockopt(sk, level,
optname, optval,
optlen);
if (get_user(len, optlen))
return -EFAULT;
@ -587,8 +604,34 @@ int dccp_getsockopt(struct sock *sk, int level, int optname,
return 0;
}
int dccp_getsockopt(struct sock *sk, int level, int optname,
char __user *optval, int __user *optlen)
{
if (level != SOL_DCCP)
return inet_csk(sk)->icsk_af_ops->getsockopt(sk, level,
optname, optval,
optlen);
return do_dccp_getsockopt(sk, level, optname, optval, optlen);
}
EXPORT_SYMBOL_GPL(dccp_getsockopt);
#ifdef CONFIG_COMPAT
int compat_dccp_getsockopt(struct sock *sk, int level, int optname,
char __user *optval, int __user *optlen)
{
if (level != SOL_DCCP) {
if (inet_csk(sk)->icsk_af_ops->compat_setsockopt)
return inet_csk(sk)->icsk_af_ops->compat_getsockopt(sk,
level, optname, optval, optlen);
else
return inet_csk(sk)->icsk_af_ops->getsockopt(sk,
level, optname, optval, optlen);
}
return do_dccp_getsockopt(sk, level, optname, optval, optlen);
}
EXPORT_SYMBOL_GPL(compat_dccp_getsockopt);
#endif
int dccp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
size_t len)
{