QOS——AC

*  **QOS——AC**

```c
cli
"WMM_AC_STATUS"
"WMM_AC_ADDTS "
supplicant
//  wpa_supplicant\ctrl_iface.c 
    wpa_supplicant\wmm_ac.c wpa_supplicant_ctrl_iface_process
        wpa_supplicant\ctrl_iface.c wmm_ac_ctrl_addts(cli-cmd:"WMM_AC_ADDTS ")
            wpa_supplicant\wmm_ac.c (sscanf(token, "tsid=%i", &params.tsid) == 1
                wpa_supplicant\wmm_ac.c wpas_wmm_ac_addts(wpa_s, &params)
                    wpa_supplicant\wmm_ac.c wmm_ac_build_addts_req
                    wpa_supplicant\wmm_ac.c wmm_ac_send_addts_request
                        wpa_supplicant\driver_i.h wpa_drv_send_action(=driver_nl80211_send_action)
                            src\drivers\driver_nl80211.c  wpa_driver_nl80211_send_action
                                nl80211_send_frame_cmd or wpa_driver_nl80211_send_mlme
                                or wpa_driver_nl80211_send_frame
                        eloop_register_timeout
                        wpa_supplicant\wmm_ac.c wmm_ac_addts_req_timeout
                             wpa_supplicant\wmm_ac.c wmm_ac_get_tsid
                             
static const enum wmm_ac up_to_ac[8] = {
    WMM_AC_BK,
    WMM_AC_BE,
    WMM_AC_BE,
    WMM_AC_BK,
    WMM_AC_VI,
    WMM_AC_VI,
    WMM_AC_VO,
    WMM_AC_VO
};
```
```c
/* management */
#define WLAN_FC_STYPE_ASSOC_REQ        0
#define WLAN_FC_STYPE_ASSOC_RESP    1
#define WLAN_FC_STYPE_REASSOC_REQ    2
#define WLAN_FC_STYPE_REASSOC_RESP    3
#define WLAN_FC_STYPE_PROBE_REQ        4
#define WLAN_FC_STYPE_PROBE_RESP    5
#define WLAN_FC_STYPE_BEACON        8
#define WLAN_FC_STYPE_ATIM        9
#define WLAN_FC_STYPE_DISASSOC        10
#define WLAN_FC_STYPE_AUTH        11
#define WLAN_FC_STYPE_DEAUTH        12
#define WLAN_FC_STYPE_ACTION        13    // !!!!!!!// !!!!!!!// !!!!!!!

/* Action frame categories (IEEE 802.11-2007, 7.3.1.11, Table 7-24) */
#define WLAN_ACTION_SPECTRUM_MGMT 0
#define WLAN_ACTION_QOS 1
#define WLAN_ACTION_DLS 2
#define WLAN_ACTION_BLOCK_ACK 3
#define WLAN_ACTION_PUBLIC 4
#define WLAN_ACTION_RADIO_MEASUREMENT 5
#define WLAN_ACTION_FT 6
#define WLAN_ACTION_HT 7
#define WLAN_ACTION_SA_QUERY 8
#define WLAN_ACTION_PROTECTED_DUAL 9
#define WLAN_ACTION_WNM 10
#define WLAN_ACTION_UNPROTECTED_WNM 11
#define WLAN_ACTION_TDLS 12
#define WLAN_ACTION_SELF_PROTECTED 15
#define WLAN_ACTION_WMM 17 /* WMM Specification 1.1 */  // !!!!!!!// !!!!!!!// !!!!!!!
#define WLAN_ACTION_VENDOR_SPECIFIC 127
```
```c
Action:

wpa_supplicant_event   
    wpas_event_rx_mgmt_action:EVENT_RX_MGMT——WLAN_ACTION_WMM
        wmm_ac_rx_action
            wmm_ac_handle_addts_resp
                 wpa_drv_add_ts
                     wpa_drv_add_ts
                         .add_tx_ts = nl80211_add_ts
                             nl80211_cmd_msg
                             send_and_recv_msgs
                             
Assoc:
wpa_supplicant_event   
    wpa_supplicant_event_assoc
        wmm_ac_restore_tspecs
             wpa_drv_add_ts
                 wpa_drv_add_ts
                     .add_tx_ts = nl80211_add_ts
                         nl80211_cmd_msg
                         send_and_recv_msgs

```