From 2c0523032ee1833bc82f869b95f1a68dbd614264 Mon Sep 17 00:00:00 2001 From: Benjamin Berg Date: Sun, 18 Jun 2023 21:49:51 +0300 Subject: [PATCH] wifi: ieee80211: add structs for TBTT information access The TBTT information can have various lengths with different elements thare are present. Add definitions for the two types that we are interested in (i.e. the ones that contain the BSSID). Signed-off-by: Benjamin Berg Signed-off-by: Gregory Greenman Link: https://lore.kernel.org/r/20230618214436.2a6f8766a3ec.Ic962e28492212cc8ee1eb602b8f07a4ea172fc4a@changeid Signed-off-by: Johannes Berg Signed-off-by: Christian Lamparter --- include/linux/ieee80211.h | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h index bb3b7b9..b68fbae 100644 --- a/include/linux/ieee80211.h +++ b/include/linux/ieee80211.h @@ -4452,6 +4452,28 @@ struct ieee80211_rnr_mld_params { #define IEEE80211_RNR_MLD_PARAMS_UPDATES_INCLUDED 0x1000 #define IEEE80211_RNR_MLD_PARAMS_DISABLED_LINK 0x2000 +/* Format of the TBTT information element if it has 7, 8 or 9 bytes */ +struct ieee80211_tbtt_info_7_8_9 { + u8 tbtt_offset; + u8 bssid[6]; + + /* The following element is optional, structure may not grow */ + u8 bss_params; + u8 psd_20; +} __packed; + +/* Format of the TBTT information element if it has >= 11 bytes */ +struct ieee80211_tbtt_info_ge_11 { + u8 tbtt_offset; + u8 bssid[6]; + __le32 short_ssid; + + /* The following elements are optional, structure may grow */ + u8 bss_params; + u8 psd_20; + struct ieee80211_rnr_mld_params mld_params; +} __packed; + /* multi-link device */ #define IEEE80211_MLD_MAX_NUM_LINKS 15 -- 2.31.1