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8821cu-20210916/include/rtw_tdls.h
morrownr 1d6ef930b9 initial commit
2022-11-17 08:26:57 -06:00

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/******************************************************************************
*
* Copyright(c) 2007 - 2017 Realtek Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
*****************************************************************************/
#ifndef __RTW_TDLS_H_
#define __RTW_TDLS_H_
#ifdef CONFIG_TDLS
/* TDLS STA state */
/* TDLS Diect Link Establishment */
#define TDLS_STATE_NONE 0x00000000 /* Default state */
#define TDLS_INITIATOR_STATE BIT(28) /* 0x10000000 */
#define TDLS_RESPONDER_STATE BIT(29) /* 0x20000000 */
#define TDLS_LINKED_STATE BIT(30) /* 0x40000000 */
/* TDLS PU Buffer STA */
#define TDLS_WAIT_PTR_STATE BIT(24) /* 0x01000000 */ /* Waiting peer's TDLS_PEER_TRAFFIC_RESPONSE frame */
/* TDLS Check ALive */
#define TDLS_ALIVE_STATE BIT(20) /* 0x00100000 */ /* Check if peer sta is alived. */
/* TDLS Channel Switch */
#define TDLS_CH_SWITCH_PREPARE_STATE BIT(15) /* 0x00008000 */
#define TDLS_CH_SWITCH_ON_STATE BIT(16) /* 0x00010000 */
#define TDLS_PEER_AT_OFF_STATE BIT(17) /* 0x00020000 */ /* Could send pkt on target ch */
#define TDLS_CH_SW_INITIATOR_STATE BIT(18) /* 0x00040000 */ /* Avoid duplicated or unconditional ch. switch rsp. */
#define TDLS_WAIT_CH_RSP_STATE BIT(19) /* 0x00080000 */ /* Wait Ch. response as we are TDLS channel switch initiator */
#define TDLS_TPK_RESEND_COUNT 86400 /*Unit: seconds */
#define TDLS_CH_SWITCH_TIME 15
#define TDLS_CH_SWITCH_TIMEOUT 30
#define TDLS_CH_SWITCH_OPER_OFFLOAD_TIMEOUT 10
#define TDLS_SIGNAL_THRESH 0x20
#define TDLS_WATCHDOG_PERIOD 10 /* Periodically sending tdls discovery request in TDLS_WATCHDOG_PERIOD * 2 sec */
#define TDLS_HANDSHAKE_TIME 3000
#define TDLS_PTI_TIME 7000
#define TDLS_CH_SW_STAY_ON_BASE_CHNL_TIMEOUT 20 /* ms */
#define TDLS_CH_SW_MONITOR_TIMEOUT 2000 /*ms */
#define TDLS_MIC_LEN 16
#define WPA_NONCE_LEN 32
#define TDLS_TIMEOUT_LEN 4
enum TDLS_CH_SW_CHNL {
TDLS_CH_SW_BASE_CHNL = 0,
TDLS_CH_SW_OFF_CHNL
};
#define TDLS_MIC_CTRL_LEN 2
#define TDLS_FTIE_DATA_LEN (TDLS_MIC_CTRL_LEN + TDLS_MIC_LEN + \
WPA_NONCE_LEN + WPA_NONCE_LEN)
struct wpa_tdls_ftie {
u8 ie_type; /* FTIE */
u8 ie_len;
union {
struct {
u8 mic_ctrl[TDLS_MIC_CTRL_LEN];
u8 mic[TDLS_MIC_LEN];
u8 Anonce[WPA_NONCE_LEN]; /* Responder Nonce in TDLS */
u8 Snonce[WPA_NONCE_LEN]; /* Initiator Nonce in TDLS */
};
struct {
u8 data[TDLS_FTIE_DATA_LEN];
};
};
/* followed by optional elements */
} ;
struct wpa_tdls_lnkid {
u8 ie_type; /* Link Identifier IE */
u8 ie_len;
u8 bssid[ETH_ALEN];
u8 init_sta[ETH_ALEN];
u8 resp_sta[ETH_ALEN];
} ;
static u8 TDLS_RSNIE[20] = { 0x01, 0x00, /* Version shall be set to 1 */
0x00, 0x0f, 0xac, 0x07, /* Group sipher suite */
0x01, 0x00, /* Pairwise cipher suite count */
0x00, 0x0f, 0xac, 0x04, /* Pairwise cipher suite list; CCMP only */
0x01, 0x00, /* AKM suite count */
0x00, 0x0f, 0xac, 0x07, /* TPK Handshake */
0x0c, 0x02,
/* PMKID shall not be present */
};
static u8 TDLS_WMMIE[] = {0x00, 0x50, 0xf2, 0x02, 0x00, 0x01, 0x00}; /* Qos info all set zero */
static u8 TDLS_WMM_PARAM_IE[] = {0x00, 0x00, 0x03, 0xa4, 0x00, 0x00, 0x27, 0xa4, 0x00, 0x00, 0x42, 0x43, 0x5e, 0x00, 0x62, 0x32, 0x2f, 0x00};
static u8 TDLS_EXT_CAPIE[] = {0x00, 0x00, 0x00, 0x50, 0x20, 0x00, 0x00, 0x00}; /* bit(28), bit(30), bit(37) */
/* SRC: Supported Regulatory Classes */
static u8 TDLS_SRC[] = { 0x01, 0x01, 0x02, 0x03, 0x04, 0x0c, 0x16, 0x17, 0x18, 0x19, 0x1b, 0x1c, 0x1d, 0x1e, 0x20, 0x21 };
int check_ap_tdls_prohibited(u8 *pframe, u8 pkt_len);
int check_ap_tdls_ch_switching_prohibited(u8 *pframe, u8 pkt_len);
void rtw_set_tdls_enable(_adapter *padapter, u8 enable);
u8 rtw_is_tdls_enabled(_adapter *padapter);
u8 rtw_is_tdls_sta_existed(_adapter *padapter);
u8 rtw_tdls_is_setup_allowed(_adapter *padapter);
#ifdef CONFIG_TDLS_CH_SW
u8 rtw_tdls_is_chsw_allowed(_adapter *padapter);
#endif
void rtw_tdls_set_link_established(_adapter *adapter, bool en);
void rtw_reset_tdls_info(_adapter *padapter);
int rtw_init_tdls_info(_adapter *padapter);
void rtw_free_tdls_info(struct tdls_info *ptdlsinfo);
void rtw_free_all_tdls_sta(_adapter *padapter, u8 enqueue_cmd);
void rtw_enable_tdls_func(_adapter *padapter);
void rtw_disable_tdls_func(_adapter *padapter, u8 enqueue_cmd);
int issue_nulldata_to_TDLS_peer_STA(_adapter *padapter, unsigned char *da, unsigned int power_mode, int try_cnt, int wait_ms);
void rtw_init_tdls_timer(_adapter *padapter, struct sta_info *psta);
void rtw_cancel_tdls_timer(struct sta_info *psta);
void rtw_tdls_teardown_pre_hdl(_adapter *padapter, struct sta_info *psta);
void rtw_tdls_teardown_post_hdl(_adapter *padapter, struct sta_info *psta, u8 enqueue_cmd);
#ifdef CONFIG_TDLS_CH_SW
void rtw_tdls_set_ch_sw_oper_control(_adapter *padapter, u8 enable);
void rtw_tdls_ch_sw_back_to_base_chnl(_adapter *padapter);
s32 rtw_tdls_do_ch_sw(_adapter *padapter, struct sta_info *ptdls_sta, u8 chnl_type, u8 channel, u8 channel_offset, u16 bwmode, u16 ch_switch_time);
void rtw_tdls_chsw_oper_done(_adapter *padapter);
#endif
#ifdef CONFIG_WFD
int issue_tunneled_probe_req(_adapter *padapter);
int issue_tunneled_probe_rsp(_adapter *padapter, union recv_frame *precv_frame);
#endif /* CONFIG_WFD */
int issue_tdls_dis_req(_adapter *padapter, struct tdls_txmgmt *ptxmgmt);
int issue_tdls_setup_req(_adapter *padapter, struct tdls_txmgmt *ptxmgmt, int wait_ack);
int issue_tdls_setup_rsp(_adapter *padapter, struct tdls_txmgmt *ptxmgmt);
int issue_tdls_setup_cfm(_adapter *padapter, struct tdls_txmgmt *ptxmgmt);
int issue_tdls_dis_rsp(_adapter *padapter, struct tdls_txmgmt *ptxmgmt, u8 privacy);
int issue_tdls_teardown(_adapter *padapter, struct tdls_txmgmt *ptxmgmt, u8 wait_ack);
int issue_tdls_peer_traffic_rsp(_adapter *padapter, struct sta_info *psta, struct tdls_txmgmt *ptxmgmt);
int issue_tdls_peer_traffic_indication(_adapter *padapter, struct sta_info *psta);
#ifdef CONFIG_TDLS_CH_SW
int issue_tdls_ch_switch_req(_adapter *padapter, struct sta_info *ptdls_sta);
int issue_tdls_ch_switch_rsp(_adapter *padapter, struct tdls_txmgmt *ptxmgmt, int wait_ack);
#endif
sint On_TDLS_Dis_Rsp(_adapter *adapter, union recv_frame *precv_frame);
sint On_TDLS_Setup_Req(_adapter *adapter, union recv_frame *precv_frame, struct sta_info *ptdls_sta);
int On_TDLS_Setup_Rsp(_adapter *adapter, union recv_frame *precv_frame, struct sta_info *ptdls_sta);
int On_TDLS_Setup_Cfm(_adapter *adapter, union recv_frame *precv_frame, struct sta_info *ptdls_sta);
int On_TDLS_Dis_Req(_adapter *adapter, union recv_frame *precv_frame);
int On_TDLS_Teardown(_adapter *adapter, union recv_frame *precv_frame, struct sta_info *ptdls_sta);
int On_TDLS_Peer_Traffic_Indication(_adapter *adapter, union recv_frame *precv_frame, struct sta_info *ptdls_sta);
int On_TDLS_Peer_Traffic_Rsp(_adapter *adapter, union recv_frame *precv_frame, struct sta_info *ptdls_sta);
#ifdef CONFIG_TDLS_CH_SW
sint On_TDLS_Ch_Switch_Req(_adapter *adapter, union recv_frame *precv_frame, struct sta_info *ptdls_sta);
sint On_TDLS_Ch_Switch_Rsp(_adapter *adapter, union recv_frame *precv_frame, struct sta_info *ptdls_sta);
void rtw_build_tdls_ch_switch_req_ies(_adapter *padapter, struct xmit_frame *pxmitframe, u8 *pframe, struct tdls_txmgmt *ptxmgmt, struct sta_info *ptdls_sta);
void rtw_build_tdls_ch_switch_rsp_ies(_adapter *padapter, struct xmit_frame *pxmitframe, u8 *pframe, struct tdls_txmgmt *ptxmgmt, struct sta_info *ptdls_sta);
#endif
void rtw_build_tdls_setup_req_ies(_adapter *padapter, struct xmit_frame *pxmitframe, u8 *pframe, struct tdls_txmgmt *ptxmgmt, struct sta_info *ptdls_sta);
void rtw_build_tdls_setup_rsp_ies(_adapter *padapter, struct xmit_frame *pxmitframe, u8 *pframe, struct tdls_txmgmt *ptxmgmt, struct sta_info *ptdls_sta);
void rtw_build_tdls_setup_cfm_ies(_adapter *padapter, struct xmit_frame *pxmitframe, u8 *pframe, struct tdls_txmgmt *ptxmgmt, struct sta_info *ptdls_sta);
void rtw_build_tdls_teardown_ies(_adapter *padapter, struct xmit_frame *pxmitframe, u8 *pframe, struct tdls_txmgmt *ptxmgmt, struct sta_info *ptdls_sta);
void rtw_build_tdls_dis_req_ies(_adapter *padapter, struct xmit_frame *pxmitframe, u8 *pframe, struct tdls_txmgmt *ptxmgmt);
void rtw_build_tdls_dis_rsp_ies(_adapter *padapter, struct xmit_frame *pxmitframe, u8 *pframe, struct tdls_txmgmt *ptxmgmt, u8 privacy);
void rtw_build_tdls_peer_traffic_rsp_ies(_adapter *padapter, struct xmit_frame *pxmitframe, u8 *pframe, struct tdls_txmgmt *ptxmgmt, struct sta_info *ptdls_sta);
void rtw_build_tdls_peer_traffic_indication_ies(_adapter *padapter, struct xmit_frame *pxmitframe, u8 *pframe, struct tdls_txmgmt *ptxmgmt, struct sta_info *ptdls_sta);
void rtw_build_tunneled_probe_req_ies(_adapter *padapter, struct xmit_frame *pxmitframe, u8 *pframe);
void rtw_build_tunneled_probe_rsp_ies(_adapter *padapter, struct xmit_frame *pxmitframe, u8 *pframe);
int rtw_tdls_is_driver_setup(_adapter *padapter);
void rtw_tdls_set_key(_adapter *padapter, struct sta_info *ptdls_sta);
const char *rtw_tdls_action_txt(enum TDLS_ACTION_FIELD action);
#endif /* CONFIG_TDLS */
#endif
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