diff options
Diffstat (limited to 'net/sunrpc/svc_xprt.c')
| -rw-r--r-- | net/sunrpc/svc_xprt.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/net/sunrpc/svc_xprt.c b/net/sunrpc/svc_xprt.c index 463fe544ae28..34a3626c56b1 100644 --- a/net/sunrpc/svc_xprt.c +++ b/net/sunrpc/svc_xprt.c @@ -1277,6 +1277,40 @@ static struct svc_deferred_req *svc_deferred_dequeue(struct svc_xprt *xprt) } /** + * svc_find_listener - find an RPC transport instance + * @serv: pointer to svc_serv to search + * @xcl_name: C string containing transport's class name + * @net: owner net pointer + * @sa: sockaddr containing address + * + * Return the transport instance pointer for the endpoint accepting + * connections/peer traffic from the specified transport class, + * and matching sockaddr. + */ +struct svc_xprt *svc_find_listener(struct svc_serv *serv, const char *xcl_name, + struct net *net, const struct sockaddr *sa) +{ + struct svc_xprt *xprt; + struct svc_xprt *found = NULL; + + spin_lock_bh(&serv->sv_lock); + list_for_each_entry(xprt, &serv->sv_permsocks, xpt_list) { + if (xprt->xpt_net != net) + continue; + if (strcmp(xprt->xpt_class->xcl_name, xcl_name)) + continue; + if (!rpc_cmp_addr_port(sa, (struct sockaddr *)&xprt->xpt_local)) + continue; + found = xprt; + svc_xprt_get(xprt); + break; + } + spin_unlock_bh(&serv->sv_lock); + return found; +} +EXPORT_SYMBOL_GPL(svc_find_listener); + +/** * svc_find_xprt - find an RPC transport instance * @serv: pointer to svc_serv to search * @xcl_name: C string containing transport's class name |