wext: Emit event stream entries correctly when compat.

[firefly-linux-kernel-4.4.55.git] / include / linux / wireless.h

diff --git a/include/linux/wireless.h b/include/linux/wireless.h
index 79d8468758257fcd2e8c1f6e3efde1e02e908848..d7958f9b52cba59e15dfb8a26e4ce5b04ea1309a 100644 (file)
--- a/include/linux/wireless.h
+++ b/include/linux/wireless.h
@@ -1113,6 +1113,21 @@ struct iw_event
 #define IW_EV_POINT_LEN        (IW_EV_LCP_LEN + sizeof(struct iw_point) - \
                         IW_EV_POINT_OFF)
 
+#ifdef __KERNEL__
+#ifdef CONFIG_COMPAT
+struct __compat_iw_event {
+       __u16           len;                    /* Real length of this stuff */
+       __u16           cmd;                    /* Wireless IOCTL */
+       compat_caddr_t  pointer;
+};
+#define IW_EV_COMPAT_LCP_LEN offsetof(struct __compat_iw_event, pointer)
+#define IW_EV_COMPAT_POINT_OFF offsetof(struct compat_iw_point, length)
+#define IW_EV_COMPAT_POINT_LEN \
+       (IW_EV_COMPAT_LCP_LEN + sizeof(struct compat_iw_point) - \
+        IW_EV_COMPAT_POINT_OFF)
+#endif
+#endif
+
 /* Size of the Event prefix when packed in stream */
 #define IW_EV_LCP_PK_LEN       (4)
 /* Size of the various events when packed in stream */