blob: 5c486a634c7c450322e0eae2ce159a9ccfa626de (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
/*
* HT-related code for ST-Ericsson CW1200 driver
*
* Copyright (c) 2010, ST-Ericsson
* Author: Dmitry Tarnyagin <dmitry.tarnyagin@stericsson.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef CW1200_HT_H_INCLUDED
#define CW1200_HT_H_INCLUDED
#include <net/mac80211.h>
struct cw1200_ht_info {
struct ieee80211_sta_ht_cap ht_cap;
enum nl80211_channel_type channel_type;
u16 operation_mode;
};
static inline int cw1200_is_ht(const struct cw1200_ht_info *ht_info)
{
return ht_info->channel_type != NL80211_CHAN_NO_HT;
}
static inline int cw1200_ht_greenfield(const struct cw1200_ht_info *ht_info)
{
return cw1200_is_ht(ht_info) &&
(ht_info->ht_cap.cap & IEEE80211_HT_CAP_GRN_FLD) &&
!(ht_info->operation_mode &
IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
}
static inline int cw1200_ht_ampdu_density(const struct cw1200_ht_info *ht_info)
{
if (!cw1200_is_ht(ht_info))
return 0;
return ht_info->ht_cap.ampdu_density;
}
#endif /* CW1200_HT_H_INCLUDED */
|
