From ed39440a2573abc926f230267000f21fa5a87822 Mon Sep 17 00:00:00 2001 From: Chuck Lever Date: Tue, 22 Aug 2006 20:06:17 -0400 Subject: SUNRPC: create API for getting remote peer address Provide an API for retrieving the remote peer address without allowing direct access to the rpc_xprt struct. Test-plan: Compile kernel with CONFIG_NFS enabled. Signed-off-by: Chuck Lever Signed-off-by: Trond Myklebust --- net/sunrpc/clnt.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) (limited to 'net') diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c index d003c2f5688f..94768cf5fd5b 100644 --- a/net/sunrpc/clnt.c +++ b/net/sunrpc/clnt.c @@ -533,6 +533,27 @@ rpc_call_setup(struct rpc_task *task, struct rpc_message *msg, int flags) task->tk_action = rpc_exit_task; } +/** + * rpc_peeraddr - extract remote peer address from clnt's xprt + * @clnt: RPC client structure + * @buf: target buffer + * @size: length of target buffer + * + * Returns the number of bytes that are actually in the stored address. + */ +size_t rpc_peeraddr(struct rpc_clnt *clnt, struct sockaddr *buf, size_t bufsize) +{ + size_t bytes; + struct rpc_xprt *xprt = clnt->cl_xprt; + + bytes = sizeof(xprt->addr); + if (bytes > bufsize) + bytes = bufsize; + memcpy(buf, &clnt->cl_xprt->addr, bytes); + return sizeof(xprt->addr); +} +EXPORT_SYMBOL(rpc_peeraddr); + void rpc_setbufsize(struct rpc_clnt *clnt, unsigned int sndsize, unsigned int rcvsize) { -- cgit v1.2.3-58-ga151