summaryrefslogtreecommitdiff
path: root/include/linux/sunrpc
diff options
context:
space:
mode:
authorAlexandros Batsakis <batsakis@netapp.com>2009-09-10 18:33:30 +0400
committerJ. Bruce Fields <bfields@citi.umich.edu>2009-09-13 23:46:15 +0400
commitf300baba5a1536070d6d77bf0c8c4ca999bb4f0f (patch)
tree648d0020d9a9325cfcb07571d9f11a5c797ee900 /include/linux/sunrpc
parent908329f2c08b8b5af7b394f709b0ee9c43b93041 (diff)
downloadlinux-f300baba5a1536070d6d77bf0c8c4ca999bb4f0f.tar.xz
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')
-rw-r--r--include/linux/sunrpc/clnt.h1
-rw-r--r--include/linux/sunrpc/xprt.h18
-rw-r--r--include/linux/sunrpc/xprtrdma.h5
-rw-r--r--include/linux/sunrpc/xprtsock.h11
4 files changed, 19 insertions, 16 deletions
diff --git a/include/linux/sunrpc/clnt.h b/include/linux/sunrpc/clnt.h
index 3d025588e56e..8ed9642a5a76 100644
--- a/include/linux/sunrpc/clnt.h
+++ b/include/linux/sunrpc/clnt.h
@@ -114,6 +114,7 @@ struct rpc_create_args {
rpc_authflavor_t authflavor;
unsigned long flags;
char *client_name;
+ struct svc_xprt *bc_xprt; /* NFSv4.1 backchannel */
};
/* Values for "flags" field */
diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h
index 228d694dbb90..6f9457a75b8f 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 {
diff --git a/include/linux/sunrpc/xprtrdma.h b/include/linux/sunrpc/xprtrdma.h
index 54a379c9e8eb..c2f04e1ae159 100644
--- a/include/linux/sunrpc/xprtrdma.h
+++ b/include/linux/sunrpc/xprtrdma.h
@@ -41,11 +41,6 @@
#define _LINUX_SUNRPC_XPRTRDMA_H
/*
- * RPC transport identifier for RDMA
- */
-#define XPRT_TRANSPORT_RDMA 256
-
-/*
* rpcbind (v3+) RDMA netid.
*/
#define RPCBIND_NETID_RDMA "rdma"
diff --git a/include/linux/sunrpc/xprtsock.h b/include/linux/sunrpc/xprtsock.h
index c2a46c45c8f7..3f14a02e9cc0 100644
--- a/include/linux/sunrpc/xprtsock.h
+++ b/include/linux/sunrpc/xprtsock.h
@@ -13,17 +13,6 @@ int init_socket_xprt(void);
void cleanup_socket_xprt(void);
/*
- * RPC transport identifiers for UDP, TCP
- *
- * To preserve compatibility with the historical use of raw IP protocol
- * id's for transport selection, these 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_UDP IPPROTO_UDP
-#define XPRT_TRANSPORT_TCP IPPROTO_TCP
-
-/*
* RPC slot table sizes for UDP, TCP transports
*/
extern unsigned int xprt_udp_slot_table_entries;