From aa475b0ef34a8230b8cc3a298bf67c668540d689 Mon Sep 17 00:00:00 2001 From: Vladimir Kondratiev Date: Wed, 19 Mar 2014 13:14:40 +0200 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 Signed-off-by: Johannes Berg --- include/linux/ieee80211.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h index 5f349355ee54..cde7ede8e554 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 -- 2.20.1