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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 <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Vladimir Kondratiev 11 years ago
parent
1a1cb744de
commit
aa475b0ef3
1 changed files with 4 additions and 0 deletions
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  1. 4 0
      include/linux/ieee80211.h

+ 4 - 0
include/linux/ieee80211.h
View File 

@@ -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
 
    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. */
 
    up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
 
 #define IEEE80211_MAX_DATA_LEN		2304
 
 #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 */
 
 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
 
 #define IEEE80211_MAX_FRAME_LEN		2352
 
 #define IEEE80211_MAX_FRAME_LEN		2352