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-rw-r--r--include/linux/sunrpc/auth.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/sunrpc/auth.h b/include/linux/sunrpc/auth.h
index 1ecf13e148b8..6a241a277249 100644
--- a/include/linux/sunrpc/auth.h
+++ b/include/linux/sunrpc/auth.h
@@ -21,10 +21,17 @@
#include <linux/utsname.h>
/*
+ * Maximum size of AUTH_NONE authentication information, in XDR words.
+ */
+#define NUL_CALLSLACK (4)
+#define NUL_REPLYSLACK (2)
+
+/*
* Size of the nodename buffer. RFC1831 specifies a hard limit of 255 bytes,
* but Linux hostnames are actually limited to __NEW_UTS_LEN bytes.
*/
#define UNX_MAXNODENAME __NEW_UTS_LEN
+#define UNX_CALLSLACK (21 + XDR_QUADLEN(UNX_MAXNODENAME))
struct rpcsec_gss_info;