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NFSD: Ignore client's source port on RDMA transports

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An NFS/RDMA client's source port is meaningless for RDMA transports.
The transport layer typically sets the source port value on the
connection to a random ephemeral port.

Currently, NFS server administrators must specify the "insecure"
export option to enable clients to access exports via RDMA.

But this means NFS clients can access such an export via IP using an
ephemeral port, which may not be desirable.

This patch eliminates the need to specify the "insecure" export
option to allow NFS/RDMA clients access to an export.

BugLink: https://bugzilla.linux-nfs.org/show_bug.cgi?id=250
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
Chuck Lever
2014-05-19 13:40:22 -04:00
committed by J. Bruce Fields
parent abf1135b6e
commit 16e4d93f6d
4 changed files with 18 additions and 1 deletions
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include/linux/sunrpc/svc_xprt.h
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@@ -24,6 +24,7 @@ struct svc_xprt_ops {
void (*xpo_release_rqst)(struct svc_rqst *);
void (*xpo_detach)(struct svc_xprt *);
void (*xpo_free)(struct svc_xprt *);
int (*xpo_secure_port)(struct svc_rqst *);
};
struct svc_xprt_class {