SUNRPC: add xprt switch API for printing formatted remote peer addresses
Add a new method to the transport switch API to provide a way to convert
the opaque contents of xprt->addr to a human-readable string.
Test plan:
Compile kernel with CONFIG_NFS enabled.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h
index 8412255..8372ab8 100644
--- a/include/linux/sunrpc/xprt.h
+++ b/include/linux/sunrpc/xprt.h
@@ -51,6 +51,14 @@
unsigned char to_exponential;
};
+enum rpc_display_format_t {
+ RPC_DISPLAY_ADDR = 0,
+ RPC_DISPLAY_PORT,
+ RPC_DISPLAY_PROTO,
+ RPC_DISPLAY_ALL,
+ RPC_DISPLAY_MAX,
+};
+
struct rpc_task;
struct rpc_xprt;
struct seq_file;
@@ -103,6 +111,7 @@
struct rpc_xprt_ops {
void (*set_buffer_size)(struct rpc_xprt *xprt, size_t sndsize, size_t rcvsize);
+ char * (*print_addr)(struct rpc_xprt *xprt, enum rpc_display_format_t format);
int (*reserve_xprt)(struct rpc_task *task);
void (*release_xprt)(struct rpc_xprt *xprt, struct rpc_task *task);
void (*rpcbind)(struct rpc_task *task);
@@ -207,6 +216,8 @@
void (*old_data_ready)(struct sock *, int);
void (*old_state_change)(struct sock *);
void (*old_write_space)(struct sock *);
+
+ char * address_strings[RPC_DISPLAY_MAX];
};
#define XPRT_LAST_FRAG (1 << 0)