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[v2,3/8] SUNRPC query transport's source port

Message ID 20210624032853.4776-4-olga.kornievskaia@gmail.com (mailing list archive)
State New, archived
Headers show
Series allow for offlining/removing xprt via sysfs | expand

Commit Message

Olga Kornievskaia June 24, 2021, 3:28 a.m. UTC 
From: Olga Kornievskaia <kolga@netapp.com>

Provide ability to query transport's source port.

Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
---
 include/linux/sunrpc/xprtsock.h | 1 +
 net/sunrpc/xprtsock.c           | 7 +++++++
 2 files changed, 8 insertions(+)
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Patch

diff --git a/include/linux/sunrpc/xprtsock.h b/include/linux/sunrpc/xprtsock.h
index 3c1423ee74b4..8c2a712cb242 100644
--- a/include/linux/sunrpc/xprtsock.h
+++ b/include/linux/sunrpc/xprtsock.h
@@ -10,6 +10,7 @@ 
 
 int		init_socket_xprt(void);
 void		cleanup_socket_xprt(void);
+unsigned short	get_srcport(struct rpc_xprt *);
 
 #define RPC_MIN_RESVPORT	(1U)
 #define RPC_MAX_RESVPORT	(65535U)
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 2ad4d0df45fe..4611845ec1eb 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -1653,6 +1653,13 @@  static int xs_get_srcport(struct sock_xprt *transport)
 	return port;
 }
 
+unsigned short get_srcport(struct rpc_xprt *xprt)
+{
+	struct sock_xprt *sock = container_of(xprt, struct sock_xprt, xprt);
+	return sock->srcport;
+}
+EXPORT_SYMBOL(get_srcport);
+
 static unsigned short xs_next_srcport(struct sock_xprt *transport, unsigned short port)
 {
 	if (transport->srcport != 0)