diff options
| author | Alexandros Batsakis <batsakis@netapp.com> | 2009-09-10 17:33:30 +0300 |
|---|---|---|
| committer | J. Bruce Fields <bfields@citi.umich.edu> | 2009-09-13 15:46:15 -0400 |
| commit | f300baba5a1536070d6d77bf0c8c4ca999bb4f0f (patch) | |
| tree | 648d0020d9a9325cfcb07571d9f11a5c797ee900 /include/linux/sunrpc/xprt.h | |
| parent | 908329f2c08b8b5af7b394f709b0ee9c43b93041 (diff) | |
nfsd41: sunrpc: add new xprt class for nfsv4.1 backchannel
[sunrpc: change idle timeout value for the backchannel]
Signed-off-by: Alexandros Batsakis <batsakis@netapp.com>
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Acked-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Diffstat (limited to 'include/linux/sunrpc/xprt.h')
| -rw-r--r-- | include/linux/sunrpc/xprt.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h index 228d694dbb9..6f9457a75b8 100644 --- a/include/linux/sunrpc/xprt.h +++ b/include/linux/sunrpc/xprt.h @@ -124,6 +124,23 @@ struct rpc_xprt_ops { void (*print_stats)(struct rpc_xprt *xprt, struct seq_file *seq); }; +/* + * RPC transport identifiers + * + * To preserve compatibility with the historical use of raw IP protocol + * id's for transport selection, UDP and TCP identifiers are specified + * with the previous values. No such restriction exists for new transports, + * except that they may not collide with these values (17 and 6, + * respectively). + */ +#define XPRT_TRANSPORT_BC (1 << 31) +enum xprt_transports { + XPRT_TRANSPORT_UDP = IPPROTO_UDP, + XPRT_TRANSPORT_TCP = IPPROTO_TCP, + XPRT_TRANSPORT_BC_TCP = IPPROTO_TCP | XPRT_TRANSPORT_BC, + XPRT_TRANSPORT_RDMA = 256 +}; + struct rpc_xprt { struct kref kref; /* Reference count */ struct rpc_xprt_ops * ops; /* transport methods */ @@ -232,6 +249,7 @@ struct xprt_create { struct sockaddr * srcaddr; /* optional local address */ struct sockaddr * dstaddr; /* remote peer address */ size_t addrlen; + struct svc_xprt *bc_xprt; /* NFSv4.1 backchannel */ }; struct xprt_class { |