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Message-Id: <1717061440-59937-3-git-send-email-alibuda@linux.alibaba.com>
Date: Thu, 30 May 2024 17:30:39 +0800
From: "D. Wythe" <alibuda@...ux.alibaba.com>
To: kgraul@...ux.ibm.com,
wenjia@...ux.ibm.com,
jaka@...ux.ibm.com,
wintera@...ux.ibm.com,
guwen@...ux.alibaba.com
Cc: kuba@...nel.org,
davem@...emloft.net,
netdev@...r.kernel.org,
linux-s390@...r.kernel.org,
linux-rdma@...r.kernel.org,
tonylu@...ux.alibaba.com,
pabeni@...hat.com,
edumazet@...gle.com
Subject: [PATCH net-next v5 2/3] net/smc: expose smc proto operations
From: "D. Wythe" <alibuda@...ux.alibaba.com>
Externalize smc proto operations (smc_xxx) to allow
access from files other than af_smc.c
This is in preparation for the subsequent implementation
of the AF_INET version of SMC.
Signed-off-by: D. Wythe <alibuda@...ux.alibaba.com>
---
net/smc/af_smc.c | 60 ++++++++++++++++++++++++++++----------------------------
net/smc/smc.h | 33 +++++++++++++++++++++++++++++++
2 files changed, 63 insertions(+), 30 deletions(-)
diff --git a/net/smc/af_smc.c b/net/smc/af_smc.c
index 77a9d58..8e3ce76 100644
--- a/net/smc/af_smc.c
+++ b/net/smc/af_smc.c
@@ -170,15 +170,15 @@ static bool smc_hs_congested(const struct sock *sk)
return false;
}
-static struct smc_hashinfo smc_v4_hashinfo = {
+struct smc_hashinfo smc_v4_hashinfo = {
.lock = __RW_LOCK_UNLOCKED(smc_v4_hashinfo.lock),
};
-static struct smc_hashinfo smc_v6_hashinfo = {
+struct smc_hashinfo smc_v6_hashinfo = {
.lock = __RW_LOCK_UNLOCKED(smc_v6_hashinfo.lock),
};
-static int smc_hash_sk(struct sock *sk)
+int smc_hash_sk(struct sock *sk)
{
struct smc_hashinfo *h = sk->sk_prot->h.smc_hash;
struct hlist_head *head;
@@ -193,7 +193,7 @@ static int smc_hash_sk(struct sock *sk)
return 0;
}
-static void smc_unhash_sk(struct sock *sk)
+void smc_unhash_sk(struct sock *sk)
{
struct smc_hashinfo *h = sk->sk_prot->h.smc_hash;
@@ -207,7 +207,7 @@ static void smc_unhash_sk(struct sock *sk)
* work which we didn't do because of user hold the sock_lock in the
* BH context
*/
-static void smc_release_cb(struct sock *sk)
+void smc_release_cb(struct sock *sk)
{
struct smc_sock *smc = smc_sk(sk);
@@ -307,7 +307,7 @@ static int __smc_release(struct smc_sock *smc)
return rc;
}
-static int smc_release(struct socket *sock)
+int smc_release(struct socket *sock)
{
struct sock *sk = sock->sk;
struct smc_sock *smc;
@@ -401,8 +401,8 @@ static struct sock *smc_sock_alloc(struct net *net, struct socket *sock,
return sk;
}
-static int smc_bind(struct socket *sock, struct sockaddr *uaddr,
- int addr_len)
+int smc_bind(struct socket *sock, struct sockaddr *uaddr,
+ int addr_len)
{
struct sockaddr_in *addr = (struct sockaddr_in *)uaddr;
struct sock *sk = sock->sk;
@@ -1649,8 +1649,8 @@ static void smc_connect_work(struct work_struct *work)
release_sock(&smc->sk);
}
-static int smc_connect(struct socket *sock, struct sockaddr *addr,
- int alen, int flags)
+int smc_connect(struct socket *sock, struct sockaddr *addr,
+ int alen, int flags)
{
struct sock *sk = sock->sk;
struct smc_sock *smc;
@@ -2631,7 +2631,7 @@ static void smc_clcsock_data_ready(struct sock *listen_clcsock)
read_unlock_bh(&listen_clcsock->sk_callback_lock);
}
-static int smc_listen(struct socket *sock, int backlog)
+int smc_listen(struct socket *sock, int backlog)
{
struct sock *sk = sock->sk;
struct smc_sock *smc;
@@ -2696,8 +2696,8 @@ static int smc_listen(struct socket *sock, int backlog)
return rc;
}
-static int smc_accept(struct socket *sock, struct socket *new_sock,
- struct proto_accept_arg *arg)
+int smc_accept(struct socket *sock, struct socket *new_sock,
+ struct proto_accept_arg *arg)
{
struct sock *sk = sock->sk, *nsk;
DECLARE_WAITQUEUE(wait, current);
@@ -2766,8 +2766,8 @@ static int smc_accept(struct socket *sock, struct socket *new_sock,
return rc;
}
-static int smc_getname(struct socket *sock, struct sockaddr *addr,
- int peer)
+int smc_getname(struct socket *sock, struct sockaddr *addr,
+ int peer)
{
struct smc_sock *smc;
@@ -2780,7 +2780,7 @@ static int smc_getname(struct socket *sock, struct sockaddr *addr,
return smc->clcsock->ops->getname(smc->clcsock, addr, peer);
}
-static int smc_sendmsg(struct socket *sock, struct msghdr *msg, size_t len)
+int smc_sendmsg(struct socket *sock, struct msghdr *msg, size_t len)
{
struct sock *sk = sock->sk;
struct smc_sock *smc;
@@ -2818,8 +2818,8 @@ static int smc_sendmsg(struct socket *sock, struct msghdr *msg, size_t len)
return rc;
}
-static int smc_recvmsg(struct socket *sock, struct msghdr *msg, size_t len,
- int flags)
+int smc_recvmsg(struct socket *sock, struct msghdr *msg, size_t len,
+ int flags)
{
struct sock *sk = sock->sk;
struct smc_sock *smc;
@@ -2868,8 +2868,8 @@ static __poll_t smc_accept_poll(struct sock *parent)
return mask;
}
-static __poll_t smc_poll(struct file *file, struct socket *sock,
- poll_table *wait)
+__poll_t smc_poll(struct file *file, struct socket *sock,
+ poll_table *wait)
{
struct sock *sk = sock->sk;
struct smc_sock *smc;
@@ -2921,7 +2921,7 @@ static __poll_t smc_poll(struct file *file, struct socket *sock,
return mask;
}
-static int smc_shutdown(struct socket *sock, int how)
+int smc_shutdown(struct socket *sock, int how)
{
struct sock *sk = sock->sk;
bool do_shutdown = true;
@@ -3061,8 +3061,8 @@ static int __smc_setsockopt(struct socket *sock, int level, int optname,
return rc;
}
-static int smc_setsockopt(struct socket *sock, int level, int optname,
- sockptr_t optval, unsigned int optlen)
+int smc_setsockopt(struct socket *sock, int level, int optname,
+ sockptr_t optval, unsigned int optlen)
{
struct sock *sk = sock->sk;
struct smc_sock *smc;
@@ -3148,8 +3148,8 @@ static int smc_setsockopt(struct socket *sock, int level, int optname,
return rc;
}
-static int smc_getsockopt(struct socket *sock, int level, int optname,
- char __user *optval, int __user *optlen)
+int smc_getsockopt(struct socket *sock, int level, int optname,
+ char __user *optval, int __user *optlen)
{
struct smc_sock *smc;
int rc;
@@ -3174,8 +3174,8 @@ static int smc_getsockopt(struct socket *sock, int level, int optname,
return rc;
}
-static int smc_ioctl(struct socket *sock, unsigned int cmd,
- unsigned long arg)
+int smc_ioctl(struct socket *sock, unsigned int cmd,
+ unsigned long arg)
{
union smc_host_cursor cons, urg;
struct smc_connection *conn;
@@ -3261,9 +3261,9 @@ static int smc_ioctl(struct socket *sock, unsigned int cmd,
* Note that subsequent recv() calls have to wait till all splice() processing
* completed.
*/
-static ssize_t smc_splice_read(struct socket *sock, loff_t *ppos,
- struct pipe_inode_info *pipe, size_t len,
- unsigned int flags)
+ssize_t smc_splice_read(struct socket *sock, loff_t *ppos,
+ struct pipe_inode_info *pipe, size_t len,
+ unsigned int flags)
{
struct sock *sk = sock->sk;
struct smc_sock *smc;
diff --git a/net/smc/smc.h b/net/smc/smc.h
index 3edec1e..34b781e 100644
--- a/net/smc/smc.h
+++ b/net/smc/smc.h
@@ -34,6 +34,39 @@
extern struct proto smc_proto;
extern struct proto smc_proto6;
+extern struct smc_hashinfo smc_v4_hashinfo;
+extern struct smc_hashinfo smc_v6_hashinfo;
+
+int smc_hash_sk(struct sock *sk);
+void smc_unhash_sk(struct sock *sk);
+void smc_release_cb(struct sock *sk);
+
+int smc_release(struct socket *sock);
+int smc_bind(struct socket *sock, struct sockaddr *uaddr,
+ int addr_len);
+int smc_connect(struct socket *sock, struct sockaddr *addr,
+ int alen, int flags);
+int smc_accept(struct socket *sock, struct socket *new_sock,
+ struct proto_accept_arg *arg);
+int smc_getname(struct socket *sock, struct sockaddr *addr,
+ int peer);
+__poll_t smc_poll(struct file *file, struct socket *sock,
+ poll_table *wait);
+int smc_ioctl(struct socket *sock, unsigned int cmd,
+ unsigned long arg);
+int smc_listen(struct socket *sock, int backlog);
+int smc_shutdown(struct socket *sock, int how);
+int smc_setsockopt(struct socket *sock, int level, int optname,
+ sockptr_t optval, unsigned int optlen);
+int smc_getsockopt(struct socket *sock, int level, int optname,
+ char __user *optval, int __user *optlen);
+int smc_sendmsg(struct socket *sock, struct msghdr *msg, size_t len);
+int smc_recvmsg(struct socket *sock, struct msghdr *msg, size_t len,
+ int flags);
+ssize_t smc_splice_read(struct socket *sock, loff_t *ppos,
+ struct pipe_inode_info *pipe, size_t len,
+ unsigned int flags);
+
/* smc sock initialization */
void smc_sk_init(struct net *net, struct sock *sk, int protocol);
/* clcsock initialization */
--
1.8.3.1
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