mac80211: introduce struct michael_mic_ctx and static helpers

Replace the existing macro with a static function, significantly shrinks the
size of the produced object file.

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Cc: "John W. Linville" <linville@tuxdriver.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/net/mac80211/michael.h b/net/mac80211/michael.h
index 2e6aebabeea1..7d5707bf8843 100644
--- a/net/mac80211/michael.h
+++ b/net/mac80211/michael.h
@@ -14,6 +14,10 @@
 
 #define MICHAEL_MIC_LEN 8
 
+struct michael_mic_ctx {
+        u32 l, r;
+};
+
 void michael_mic(u8 *key, u8 *da, u8 *sa, u8 priority,
                  u8 *data, size_t data_len, u8 *mic);