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mbssid: Process Known BSSID element

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Process the Known BSSID elements if included by non-AP stations. The
format is described in IEEE Std 802.11ax-2021, 9.4.2.261.

Non-AP stations may include this element in directed Probe Request
frames to indicate which of the multiple BSSIDs they have already
discovered. AP should exclude these profiles from the Probe Response
frame.

Signed-off-by: Aloka Dixit <quic_alokad@quicinc.com>
This commit is contained in:
Aloka Dixit 2022-11-30 19:18:41 -08:00 • committed by Jouni Malinen
parent 15690faada
commit 10749c3c48
6 changed files with 54 additions and 20 deletions
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6
src/ap/ieee802_11.h
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@ -216,9 +216,11 @@ u16 copy_sta_eht_capab(struct hostapd_data *hapd, struct sta_info *sta,
const u8 *he_capab, size_t he_capab_len,
const u8 *eht_capab, size_t eht_capab_len);
size_t hostapd_eid_mbssid_len(struct hostapd_data *hapd, u32 frame_type,
u8 *elem_count);
u8 *elem_count, const u8 *known_bss,
size_t known_bss_len);
u8 * hostapd_eid_mbssid(struct hostapd_data *hapd, u8 *eid, u8 *end,
unsigned int frame_stype, u8 elem_count,
u8 **elem_offset);
u8 **elem_offset,
const u8 *known_bss, size_t known_bss_len);
#endif /* IEEE802_11_H */