diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-helpers.h')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-helpers.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-helpers.h b/drivers/net/wireless/iwlwifi/iwl-helpers.h index a443472bea6..dedefa06ad8 100644 --- a/drivers/net/wireless/iwlwifi/iwl-helpers.h +++ b/drivers/net/wireless/iwlwifi/iwl-helpers.h @@ -136,6 +136,8 @@ static inline void iwl_set_bits16(__le16 *dst, u8 pos, u8 len, int val) #define KELVIN_TO_CELSIUS(x) ((x)-273) #define CELSIUS_TO_KELVIN(x) ((x)+273) +#define IWL_MASK(lo, hi) ((1 << (hi)) | ((1 << (hi)) - (1 << (lo)))) + #define IEEE80211_CHAN_W_RADAR_DETECT 0x00000010 @@ -235,6 +237,25 @@ static inline int ieee80211_is_reassoc_response(u16 fc) ((fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_REASSOC_RESP); } +static inline int ieee80211_is_qos_data(u16 fc) +{ + return ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA) && + ((fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_QOS_DATA); +} +/** + * ieee80211_get_qos_ctrl - get pointer to the QoS control field + * + * This function returns the pointer to 802.11 header QoS field (2 bytes) + * This function doesn't check whether hdr is a QoS hdr, use with care + * @hdr: struct ieee80211_hdr *hdr + * @hdr_len: header length + */ + +static inline u8 *ieee80211_get_qos_ctrl(struct ieee80211_hdr *hdr, int hdr_len) +{ + return ((u8 *) hdr + hdr_len - QOS_CONTROL_LEN); +} + static inline int iwl_check_bits(unsigned long field, unsigned long mask) { return ((field & mask) == mask) ? 1 : 0; |