2014-03-19 11:14:55

by Vladimir Kondratiev

Subject: [PATCH] wireless: max MSDU size for DMG networks

In the 802.11ad, aka DMG (Dynamic Multi-Gigabit), aka 60Ghz
spec, maximum MSDU size extended to 7920 bytes.
add #define for this.

Signed-off-by: Vladimir Kondratiev <[email protected]>
---
include/linux/ieee80211.h | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index 0629904..f194ccb 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -154,6 +154,10 @@ static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
802.11e clarifies the figure in section 7.1.2. The frame body is
up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
#define IEEE80211_MAX_DATA_LEN 2304
+/* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks
+ * to 7920 bytes, see 8.2.3 General frame format
+ */
+#define IEEE80211_MAX_DATA_LEN_DMG 7920
/* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
#define IEEE80211_MAX_FRAME_LEN 2352

--
1.8.3.2

2014-03-19 13:48:52

by Johannes Berg

Subject: Re: [PATCH] wireless: max MSDU size for DMG networks

On Wed, 2014-03-19 at 13:14 +0200, Vladimir Kondratiev wrote:
> In the 802.11ad, aka DMG (Dynamic Multi-Gigabit), aka 60Ghz
> spec, maximum MSDU size extended to 7920 bytes.
> add #define for this.

Applied, thanks.

johannes