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authorShirley Ma <shirley.ma@oracle.com>2016-05-04 16:52:47 +0200
committerJ. Bruce Fields <bfields@redhat.com>2016-05-13 21:53:05 +0200
commit696190eaf168e83fcbf0c9cf087995cdd15807e5 (patch)
tree730a59f77a64bcd7797e7cc02e455bb6bfb8b6bf
parentnfsd: handle seqid wraparound in nfsd4_preprocess_layout_stateid (diff)
downloadlinux-696190eaf168e83fcbf0c9cf087995cdd15807e5.tar.xz
linux-696190eaf168e83fcbf0c9cf087995cdd15807e5.zip
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: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Shirley Ma <shirley.ma@oracle.com> Acked-by: Leon Romanovsky <leonro@mellanox.com> Reviewed-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
-rw-r--r--net/sunrpc/xprtrdma/svc_rdma_transport.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/net/sunrpc/xprtrdma/svc_rdma_transport.c b/net/sunrpc/xprtrdma/svc_rdma_transport.c
index 90668969d559..d2680b87d162 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_transport.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_transport.c
@@ -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);