diff options
Diffstat (limited to 'drivers/staging/cw1200/ht.h')
| -rw-r--r-- | drivers/staging/cw1200/ht.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/staging/cw1200/ht.h b/drivers/staging/cw1200/ht.h new file mode 100644 index 00000000000..5c486a634c7 --- /dev/null +++ b/drivers/staging/cw1200/ht.h @@ -0,0 +1,43 @@ +/* + * 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 */ |