xfrm_user: ensure user supplied esn replay window is valid

[deliverable/linux.git] / include / linux / xfrm.h

diff --git a/include/linux/xfrm.h b/include/linux/xfrm.h
index 22e61fdf75a2bd46a656e164e046a006acd43343..28e493b5b94c9ba6d946d728a0908c84e34294db 100644 (file)
--- a/include/linux/xfrm.h
+++ b/include/linux/xfrm.h
@@ -84,6 +84,8 @@ struct xfrm_replay_state {
        __u32   bitmap;
 };
 
+#define XFRMA_REPLAY_ESN_MAX   4096
+
 struct xfrm_replay_state_esn {
        unsigned int    bmp_len;
        __u32           oseq;