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wpa_supplicant: Add initial roaming support

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This commit adds different features from 802.11k and 802.11v
specifications to make the device ready for network assisted
roaming. It also adds initial framework for device to detect
whether it needs to move to a better AP.

Followings are added as part of this.

1. Support for sending neighbor report request and provide
   the report back to the APP.
2. Support for beacon measurement report.
3. Support for link measurement report.
4. Support for sending bss transition management query frame
   (triggered by the APP).
5. Support for bss transition management request and move
   to the candidate based on that.
6. Sending the bss transition management response.
This commit is contained in:
kapil.gupta
2020-11-12 13:48:24 +05:30
parent ac477ad6b9
commit 27101f9454
48 changed files with 5553 additions and 144 deletions
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70
components/wpa_supplicant/src/common/wnm_sta.h Normal file
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/*
* IEEE 802.11v WNM related functions and structures
* Copyright (c) 2011-2012, Qualcomm Atheros, Inc.
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#ifndef WNM_STA_H
#define WNM_STA_H
struct measurement_pilot {
u8 measurement_pilot;
u8 subelem_len;
u8 subelems[255];
};
struct multiple_bssid {
u8 max_bssid_indicator;
u8 subelem_len;
u8 subelems[255];
};
struct neighbor_report {
u8 bssid[ETH_ALEN];
u32 bssid_info;
u8 regulatory_class;
u8 channel_number;
u8 phy_type;
u8 preference; /* valid if preference_present=1 */
u16 tsf_offset; /* valid if tsf_present=1 */
u16 beacon_int; /* valid if tsf_present=1 */
char country[2]; /* valid if country_present=1 */
u8 rm_capab[5]; /* valid if rm_capab_present=1 */
u16 bearing; /* valid if bearing_present=1 */
u16 rel_height; /* valid if bearing_present=1 */
u32 distance; /* valid if bearing_present=1 */
u64 bss_term_tsf; /* valid if bss_term_present=1 */
u16 bss_term_dur; /* valid if bss_term_present=1 */
unsigned int preference_present:1;
unsigned int tsf_present:1;
unsigned int country_present:1;
unsigned int rm_capab_present:1;
unsigned int bearing_present:1;
unsigned int bss_term_present:1;
unsigned int acceptable:1;
struct measurement_pilot *meas_pilot;
struct multiple_bssid *mul_bssid;
int freq;
};
int ieee802_11_send_wnmsleep_req(struct wpa_supplicant *wpa_s,
u8 action, u16 intval, struct wpabuf *tfs_req);
void ieee802_11_rx_wnm_action(struct wpa_supplicant *wpa_s,
u8 *sender, u8 *payload, size_t len);
int wnm_send_bss_transition_mgmt_query(struct wpa_supplicant *wpa_s,
u8 query_reason,
const char *btm_candidates,
int cand_list);
void wnm_deallocate_memory(struct wpa_supplicant *wpa_s);
int wnm_scan_process(struct wpa_supplicant *wpa_s, int reply_on_fail);
void wnm_bss_tm_connect(struct wpa_supplicant *wpa_s,
struct wpa_bss *bss, char *ssid,
int after_new_scan);
#endif /* WNM_STA_H */