1 files changed, 10 insertions, 0 deletions

diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h
index 0be395528261..7c5cbb192a6c 100644
--- a/drivers/net/wireless/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/rt2x00/rt2x00.h
@@ -103,6 +103,15 @@
 #define GET_DURATION_RES(__size, __rate)(((__size) * 8 * 10) % (__rate))
 
 /*
+ * Determine the alignment requirement,
+ * to make sure the 802.11 payload is padded to a 4-byte boundrary
+ * we must determine the address of the payload and calculate the
+ * amount of bytes needed to move the data.
+ */
+#define ALIGN_SIZE(__skb, __header) \
+        (  ((unsigned long)((__skb)->data + (__header))) & 3 )
+
+/*
  * Standard timing and size defines.
  * These values should follow the ieee80211 specifications.
  */
@@ -590,6 +599,7 @@ enum rt2x00_flags {
         DRIVER_REQUIRE_SCHEDULED,
         DRIVER_REQUIRE_DMA,
         DRIVER_REQUIRE_COPY_IV,
+        DRIVER_REQUIRE_L2PAD,
 
         /*
          * Driver features