diff options
Diffstat (limited to 'include/linux/ieee80211.h')
| -rw-r--r-- | include/linux/ieee80211.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h index f71cffa18176..1ce0b37441b9 100644 --- a/include/linux/ieee80211.h +++ b/include/linux/ieee80211.h @@ -151,6 +151,9 @@ #define IEEE80211_ANO_NETTYPE_WILD 15 +/* bits unique to S1G beacon */ +#define IEEE80211_S1G_BCN_NEXT_TBTT 0x100 + /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */ #define IEEE80211_CTL_EXT_POLL 0x2000 #define IEEE80211_CTL_EXT_SPR 0x3000 @@ -554,6 +557,28 @@ static inline bool ieee80211_is_s1g_beacon(__le16 fc) } /** + * ieee80211_next_tbtt_present - check if IEEE80211_FTYPE_EXT && + * IEEE80211_STYPE_S1G_BEACON && IEEE80211_S1G_BCN_NEXT_TBTT + * @fc: frame control bytes in little-endian byteorder + */ +static inline bool ieee80211_next_tbtt_present(__le16 fc) +{ + return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == + cpu_to_le16(IEEE80211_FTYPE_EXT | IEEE80211_STYPE_S1G_BEACON) && + fc & cpu_to_le16(IEEE80211_S1G_BCN_NEXT_TBTT); +} + +/** + * ieee80211_is_s1g_short_beacon - check if next tbtt present bit is set. Only + * true for S1G beacons when they're short. + * @fc: frame control bytes in little-endian byteorder + */ +static inline bool ieee80211_is_s1g_short_beacon(__le16 fc) +{ + return ieee80211_is_s1g_beacon(fc) && ieee80211_next_tbtt_present(fc); +} + +/** * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM * @fc: frame control bytes in little-endian byteorder */ @@ -1034,6 +1059,13 @@ struct ieee80211_ext { u8 change_seq; u8 variable[0]; } __packed s1g_beacon; + struct { + u8 sa[ETH_ALEN]; + __le32 timestamp; + u8 change_seq; + u8 next_tbtt[3]; + u8 variable[0]; + } __packed s1g_short_beacon; } u; } __packed __aligned(2); |