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NFS/SUNRPC: support transport protocol naming

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To prepare for including non-sockets-based RPC transports, select
RPC transports by an identifier (to be used in following patches).

Signed-off-by: Tom Talpey <tmt@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
\"Talpey, Thomas\
2007-09-10 13:47:57 -04:00
committed by Trond Myklebust
parent 49c36fcc44
commit 4fa016eb24
5 changed files with 19 additions and 13 deletions
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5
include/linux/sunrpc/xprt.h
View File

@@ -187,7 +187,7 @@ struct rpc_xprt {
};
struct xprt_create {
int proto; /* IPPROTO_UDP or IPPROTO_TCP */
int ident; /* XPRT_TRANSPORT identifier */
struct sockaddr * srcaddr; /* optional local address */
struct sockaddr * dstaddr; /* remote peer address */
size_t addrlen;
@@ -196,8 +196,7 @@ struct xprt_create {
struct xprt_class {
struct list_head list;
unsigned short family;
int protocol;
int ident; /* XPRT_TRANSPORT identifier */
struct rpc_xprt * (*setup)(struct xprt_create *);
struct module *owner;
char name[32];

11
include/linux/sunrpc/xprtsock.h
View File

@@ -18,6 +18,17 @@ struct rpc_xprt *xs_setup_tcp(struct xprt_create *args);
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
*/