diff options
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 228d694..6f9457a 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 { |
