On Wed, Mar 16, 2016 at 11:41:33AM -0700, Shirley Ma wrote:
> 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)
Looks good to me.
Acked-by: Leon Romanovsky <leonro@xxxxxxxxxxxx>
Thanks.
>
> Signed-off-by: Shirley Ma <shirley.ma@xxxxxxxxxx>
> ---
>
> 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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