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Commit 696190ea authored by Shirley Ma's avatar Shirley Ma Committed by J. Bruce Fields
Browse files

svcrdma: Support IPv6 with NFS/RDMA 



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)

Changes from v2:
 - Acked-by: default avatarLeon Romanovsky <leonro@mellanox.com>

Signed-off-by: default avatarShirley Ma <shirley.ma@oracle.com>
Acked-by: default avatarLeon Romanovsky <leonro@mellanox.com>
Reviewed-by: default avatarChuck Lever <chuck.lever@oracle.com>
Signed-off-by: default avatarJ. Bruce Fields <bfields@redhat.com>
parent 14b7f4a1

net/sunrpc/xprtrdma/svc_rdma_transport.c

+11 −1
Original line number Diff line number Diff line
@@ -789,7 +789,7 @@ 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);

	}
@@ -805,6 +805,16 @@ 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);