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Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00.h')
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00.h10
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