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* [PATCH v2] svcrdma: add IPv6 support
@ 2016-03-16 18:41 Shirley Ma
       [not found] ` <56E9A8DD.8030308-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
  0 siblings, 1 reply; 4+ messages in thread
From: Shirley Ma @ 2016-03-16 18:41 UTC (permalink / raw)
  To: Anna Schumaker, Chuck Lever, leon-2ukJVAZIZ/Y
  Cc: Linux NFS Mailing List, linux-rdma

Add rdma6 option to support NFS/RDMA IPv6.
Allow both IPv4 and IPv6 to bind same port at the same time,
restricts use of the IPv6 socket to IPv6 communication.

Changes from v1:
- Check rdma_set_afonly return value (suggested by Leon Romanovsky)

Signed-off-by: Shirley Ma <shirley.ma-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
---

diff --git a/net/sunrpc/xprtrdma/svc_rdma_transport.c b/net/sunrpc/xprtrdma/svc_rdma_transport.c
--- a/net/sunrpc/xprtrdma/svc_rdma_transport.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_transport.c
@@ -869,7 +869,7 @@ static struct svc_xprt *svc_rdma_create(struct svc_serv *serv,
 	int ret;
 
 	dprintk("svcrdma: Creating RDMA socket\n");
-	if (sa->sa_family != AF_INET) {
+	if ((sa->sa_family != AF_INET) && (sa->sa_family != AF_INET6)) {
 		dprintk("svcrdma: Address family %d is not supported.\n", sa->sa_family);
 		return ERR_PTR(-EAFNOSUPPORT);
 	}
@@ -885,6 +885,16 @@ static struct svc_xprt *svc_rdma_create(struct svc_serv *serv,
 		goto err0;
 	}
 
+	/* Allow both IPv4 and IPv6 sockets to bind a single port
+	 * at the same time.
+	 */
+#if IS_ENABLED(CONFIG_IPV6)
+	ret = rdma_set_afonly(listen_id, 1);
+	if (ret) {
+		dprintk("svcrdma: rdma_set_afonly failed = %d\n", ret);
+		goto err1;
+	}
+#endif
 	ret = rdma_bind_addr(listen_id, sa);
 	if (ret) {
 		dprintk("svcrdma: rdma_bind_addr failed = %d\n", ret);
--
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^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2016-04-04 18:09 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2016-03-16 18:41 [PATCH v2] svcrdma: add IPv6 support Shirley Ma
     [not found] ` <56E9A8DD.8030308-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
2016-03-17  8:42   ` Leon Romanovsky
     [not found]     ` <20160317084210.GE25216-2ukJVAZIZ/Y@public.gmane.org>
2016-03-17 14:01       ` Chuck Lever
     [not found]         ` <9D93B217-3044-4404-8EB4-6CD0DD759642-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
2016-04-04 18:09           ` [PATCH v3] " Shirley Ma

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