p54: enhance firmware parser to reduce memory waste
This patch greatly reduces one of biggest memory waste in the driver.
The firmware headers provides the right values for extra head-/tailroom
and mtu size which are usually much lower than the old hardcoded ones.
Signed-off-by: Christian Lamparter <chunkeey@web.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/p54/p54common.h b/drivers/net/wireless/p54/p54common.h
index a79c1a1..5f2af51 100644
--- a/drivers/net/wireless/p54/p54common.h
+++ b/drivers/net/wireless/p54/p54common.h
@@ -29,6 +29,17 @@
__le16 top_compat;
} __attribute__((packed));
+struct bootrec_desc {
+ __le16 modes;
+ __le16 flags;
+ __le32 rx_start;
+ __le32 rx_end;
+ u8 headroom;
+ u8 tailroom;
+ u8 unimportant[6];
+ u8 rates[16];
+} __attribute__((packed));
+
#define BR_CODE_MIN 0x80000000
#define BR_CODE_COMPONENT_ID 0x80000001
#define BR_CODE_COMPONENT_VERSION 0x80000002