From ac5a488ef252ed673cb067843e411f8cc43f7ab9 Mon Sep 17 00:00:00 2001
From: Sridhar Samudrala <sri@us.ibm.com>
Date: Mon, 7 Aug 2006 20:57:31 -0700
Subject: [NET]: Round out in-kernel sockets API
This patch implements wrapper functions that provide a convenient way
to access the sockets API for in-kernel users like sunrpc, cifs &
ocfs2 etc and any future users.
Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>
Acked-by: James Morris <jmorris@namei.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
include/linux/net.h | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
(limited to 'include/linux/net.h')
diff --git a/include/linux/net.h b/include/linux/net.h
index b20c53c7441..19da2c08d7b 100644
--- a/include/linux/net.h
+++ b/include/linux/net.h
@@ -208,6 +208,25 @@ extern int kernel_recvmsg(struct socket *sock, struct msghdr *msg,
struct kvec *vec, size_t num,
size_t len, int flags);
+extern int kernel_bind(struct socket *sock, struct sockaddr *addr,
+ int addrlen);
+extern int kernel_listen(struct socket *sock, int backlog);
+extern int kernel_accept(struct socket *sock, struct socket **newsock,
+ int flags);
+extern int kernel_connect(struct socket *sock, struct sockaddr *addr,
+ int addrlen, int flags);
+extern int kernel_getsockname(struct socket *sock, struct sockaddr *addr,
+ int *addrlen);
+extern int kernel_getpeername(struct socket *sock, struct sockaddr *addr,
+ int *addrlen);
+extern int kernel_getsockopt(struct socket *sock, int level, int optname,
+ char *optval, int *optlen);
+extern int kernel_setsockopt(struct socket *sock, int level, int optname,
+ char *optval, int optlen);
+extern int kernel_sendpage(struct socket *sock, struct page *page, int offset,
+ size_t size, int flags);
+extern int kernel_sock_ioctl(struct socket *sock, int cmd, unsigned long arg);
+
#ifndef CONFIG_SMP
#define SOCKOPS_WRAPPED(name) name
#define SOCKOPS_WRAP(name, fam)
--
cgit v1.2.3-70-g09d2
From 757dbb494be3309fe41ce4c62f8057d8b41d8897 Mon Sep 17 00:00:00 2001
From: Stephen Hemminger <shemminger@osdl.org>
Date: Wed, 9 Aug 2006 20:50:00 -0700
Subject: [NET]: drop unused elements from net_proto_family
Three values in net_proto_family are defined but never used.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
include/linux/net.h | 5 -----
1 file changed, 5 deletions(-)
(limited to 'include/linux/net.h')
diff --git a/include/linux/net.h b/include/linux/net.h
index 19da2c08d7b..1bd76327ee2 100644
--- a/include/linux/net.h
+++ b/include/linux/net.h
@@ -169,11 +169,6 @@ struct proto_ops {
struct net_proto_family {
int family;
int (*create)(struct socket *sock, int protocol);
- /* These are counters for the number of different methods of
- each we support */
- short authentication;
- short encryption;
- short encrypt_net;
struct module *owner;
};
--
cgit v1.2.3-70-g09d2
From f0fd27d42e39b91f85e1840ec49b072fd6c545b8 Mon Sep 17 00:00:00 2001
From: Stephen Hemminger <shemminger@osdl.org>
Date: Wed, 9 Aug 2006 21:03:17 -0700
Subject: [NET]: sock_register interface changes
The sock_register() doesn't change the family, so the protocols can
define it read-only. No caller ever checks return value from
sock_unregister()
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
include/linux/net.h | 4 ++--
net/socket.c | 10 ++++------
2 files changed, 6 insertions(+), 8 deletions(-)
(limited to 'include/linux/net.h')
diff --git a/include/linux/net.h b/include/linux/net.h
index 1bd76327ee2..c257f716e00 100644
--- a/include/linux/net.h
+++ b/include/linux/net.h
@@ -176,8 +176,8 @@ struct iovec;
struct kvec;
extern int sock_wake_async(struct socket *sk, int how, int band);
-extern int sock_register(struct net_proto_family *fam);
-extern int sock_unregister(int family);
+extern int sock_register(const struct net_proto_family *fam);
+extern void sock_unregister(int family);
extern int sock_create(int family, int type, int proto,
struct socket **res);
extern int sock_create_kern(int family, int type, int proto,
diff --git a/net/socket.c b/net/socket.c
index b5a3fcb9ed6..4147fe4bf41 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -147,7 +147,7 @@ static struct file_operations socket_file_ops = {
*/
static DEFINE_SPINLOCK(net_family_lock);
-static const struct net_proto_family *net_families[NPROTO];
+static const struct net_proto_family *net_families[NPROTO] __read_mostly;
/*
* Statistics counters of the socket lists
@@ -2080,7 +2080,7 @@ asmlinkage long sys_socketcall(int call, unsigned long __user *args)
* socket interface. The value ops->family coresponds to the
* socket system call protocol family.
*/
-int sock_register(struct net_proto_family *ops)
+int sock_register(const struct net_proto_family *ops)
{
int err;
@@ -2116,10 +2116,9 @@ int sock_register(struct net_proto_family *ops)
* a module then it needs to provide its own protection in
* the ops->create routine.
*/
-int sock_unregister(int family)
+void sock_unregister(int family)
{
- if (family < 0 || family >= NPROTO)
- return -EINVAL;
+ BUG_ON(family < 0 || family >= NPROTO);
spin_lock(&net_family_lock);
net_families[family] = NULL;
@@ -2128,7 +2127,6 @@ int sock_unregister(int family)
synchronize_rcu();
printk(KERN_INFO "NET: Unregistered protocol family %d\n", family);
- return 0;
}
static int __init sock_init(void)
--
cgit v1.2.3-70-g09d2