Server-side patch; cc-ing Bruce.
> On Mar 17, 2016, at 4:42 AM, Leon Romanovsky <leon@xxxxxxx> wrote:
>
> 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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--
Chuck Lever
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