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SUNRPC query transport's source port

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[ Upstream commit a8482488a7d6d320f63a9ee1912dbb5ae5b80a61 ]

Provide ability to query transport's source port.

Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Olga Kornievskaia
2021-06-23 23:28:48 -04:00
committed by Greg Kroah-Hartman
parent f19abe0463
commit 21a2be1a51
2 changed files with 8 additions and 0 deletions
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1
include/linux/sunrpc/xprtsock.h
View File

@@ -10,6 +10,7 @@
int init_socket_xprt(void); int init_socket_xprt(void);
void cleanup_socket_xprt(void); void cleanup_socket_xprt(void);
unsigned short get_srcport(struct rpc_xprt *);
#define RPC_MIN_RESVPORT (1U) #define RPC_MIN_RESVPORT (1U)
#define RPC_MAX_RESVPORT (65535U) #define RPC_MAX_RESVPORT (65535U)

7
net/sunrpc/xprtsock.c
View File

@@ -1639,6 +1639,13 @@ static int xs_get_srcport(struct sock_xprt *transport)
return port; 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) static unsigned short xs_next_srcport(struct sock_xprt *transport, unsigned short port)
{ {
if (transport->srcport != 0) if (transport->srcport != 0)