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authorChuck Lever <chuck.lever@oracle.com>2009-08-09 15:09:32 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2009-08-09 15:09:32 -0400
commit169026a61e6f436dfc12c9d10d95455c4e9f945b (patch)
tree086ec191697cc7f50c054d3a589028aaa2f1bdbf /include
parentec88f28d1eb77346f19ca324ceec76e645cdd9da (diff)
SUNRPC: Clean up RPCBIND_MAXUADDRLEN definitions
Clean up: Replace the single-integer definition of RPCBIND_MAXUADDRLEN with a definition that is based on previously defined address string sizes, and document the way this maximum is calculated. Also provide a separate macro for the size of the port number extension. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'include')
-rw-r--r--include/linux/sunrpc/msg_prot.h17
1 files changed, 16 insertions, 1 deletions
diff --git a/include/linux/sunrpc/msg_prot.h b/include/linux/sunrpc/msg_prot.h
index 70df4f1d884..77e62488339 100644
--- a/include/linux/sunrpc/msg_prot.h
+++ b/include/linux/sunrpc/msg_prot.h
@@ -189,7 +189,22 @@ typedef __be32 rpc_fraghdr;
* Additionally, the two alternative forms specified in Section 2.2 of
* [RFC2373] are also acceptable.
*/
-#define RPCBIND_MAXUADDRLEN (56u)
+
+#include <linux/inet.h>
+
+/* Maximum size of the port number part of a universal address */
+#define RPCBIND_MAXUADDRPLEN sizeof(".255.255")
+
+/* Maximum size of an IPv4 universal address */
+#define RPCBIND_MAXUADDR4LEN \
+ (INET_ADDRSTRLEN + RPCBIND_MAXUADDRPLEN)
+
+/* Maximum size of an IPv6 universal address */
+#define RPCBIND_MAXUADDR6LEN \
+ (INET6_ADDRSTRLEN + RPCBIND_MAXUADDRPLEN)
+
+/* Assume INET6_ADDRSTRLEN will always be larger than INET_ADDRSTRLEN... */
+#define RPCBIND_MAXUADDRLEN RPCBIND_MAXUADDR6LEN
#endif /* __KERNEL__ */
#endif /* _LINUX_SUNRPC_MSGPROT_H_ */