rt2x00: Optimize TX descriptor memory layout

Some fields only need to be u8 and for ifs and txop we can use the
already available enums.

Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.h b/drivers/net/wireless/rt2x00/rt2x00queue.h
index 3305520464403a2d77997921b94ec21d8e6d5be0..3fa2406af7008914778029c93936e47eb1a1bda0 100644 (file)
--- a/drivers/net/wireless/rt2x00/rt2x00queue.h
+++ b/drivers/net/wireless/rt2x00/rt2x00queue.h
@@ -315,17 +315,17 @@ struct txentry_desc {
 
                struct {
                        u16 mcs;
-                       u16 stbc;
-                       u16 ba_size;
-                       u16 mpdu_density;
-                       short txop;
+                       u8 stbc;
+                       u8 ba_size;
+                       u8 mpdu_density;
+                       enum txop txop;
                } ht;
        } u;
 
        u16 rate_mode;
 
        short retry_limit;
-       short ifs;
+       enum ifs ifs;
 
        enum cipher cipher;
        u16 key_idx;