/******************************************************************************
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*
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* Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
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*
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*
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******************************************************************************/
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#ifndef __RTW_TDLS_H_
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#define __RTW_TDLS_H_
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#ifdef CONFIG_TDLS
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/* TDLS STA state */
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/* TDLS Diect Link Establishment */
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#define TDLS_STATE_NONE 0x00000000 /* Default state */
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#define TDLS_INITIATOR_STATE BIT(28) /* 0x10000000 */
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#define TDLS_RESPONDER_STATE BIT(29) /* 0x20000000 */
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#define TDLS_LINKED_STATE BIT(30) /* 0x40000000 */
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/* TDLS PU Buffer STA */
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#define TDLS_WAIT_PTR_STATE BIT(24) /* 0x01000000 */ /* Waiting peer's TDLS_PEER_TRAFFIC_RESPONSE frame */
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/* TDLS Check ALive */
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#define TDLS_ALIVE_STATE BIT(20) /* 0x00100000 */ /* Check if peer sta is alived. */
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/* TDLS Channel Switch */
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#define TDLS_CH_SWITCH_PREPARE_STATE BIT(15) /* 0x00008000 */
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#define TDLS_CH_SWITCH_ON_STATE BIT(16) /* 0x00010000 */
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#define TDLS_PEER_AT_OFF_STATE BIT(17) /* 0x00020000 */ /* Could send pkt on target ch */
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#define TDLS_CH_SW_INITIATOR_STATE BIT(18) /* 0x00040000 */ /* Avoid duplicated or unconditional ch. switch rsp. */
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#define TDLS_WAIT_CH_RSP_STATE BIT(19) /* 0x00080000 */ /* Wait Ch. response as we are TDLS channel switch initiator */
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#define TDLS_TPK_RESEND_COUNT 86400 /*Unit: seconds */
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#define TDLS_CH_SWITCH_TIME 15
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#define TDLS_CH_SWITCH_TIMEOUT 30
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#define TDLS_CH_SWITCH_OPER_OFFLOAD_TIMEOUT 10
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#define TDLS_SIGNAL_THRESH 0x20
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#define TDLS_WATCHDOG_PERIOD 10 /* Periodically sending tdls discovery request in TDLS_WATCHDOG_PERIOD * 2 sec */
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#define TDLS_HANDSHAKE_TIME 3000
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#define TDLS_PTI_TIME 7000
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#define TDLS_CH_SW_STAY_ON_BASE_CHNL_TIMEOUT 20 /* ms */
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#define TDLS_CH_SW_MONITOR_TIMEOUT 2000 /*ms */
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#define TDLS_MIC_LEN 16
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#define WPA_NONCE_LEN 32
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#define TDLS_TIMEOUT_LEN 4
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enum TDLS_CH_SW_CHNL {
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TDLS_CH_SW_BASE_CHNL = 0,
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TDLS_CH_SW_OFF_CHNL
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};
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struct wpa_tdls_ftie {
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u8 ie_type; /* FTIE */
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u8 ie_len;
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u8 mic_ctrl[2];
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u8 mic[TDLS_MIC_LEN];
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u8 Anonce[WPA_NONCE_LEN]; /* Responder Nonce in TDLS */
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u8 Snonce[WPA_NONCE_LEN]; /* Initiator Nonce in TDLS */
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/* followed by optional elements */
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} ;
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struct wpa_tdls_lnkid {
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u8 ie_type; /* Link Identifier IE */
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u8 ie_len;
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u8 bssid[ETH_ALEN];
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u8 init_sta[ETH_ALEN];
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u8 resp_sta[ETH_ALEN];
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} ;
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static u8 TDLS_RSNIE[20] = { 0x01, 0x00, /* Version shall be set to 1 */
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0x00, 0x0f, 0xac, 0x07, /* Group sipher suite */
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0x01, 0x00, /* Pairwise cipher suite count */
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0x00, 0x0f, 0xac, 0x04, /* Pairwise cipher suite list; CCMP only */
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0x01, 0x00, /* AKM suite count */
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0x00, 0x0f, 0xac, 0x07, /* TPK Handshake */
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0x0c, 0x02,
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/* PMKID shall not be present */
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};
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static u8 TDLS_WMMIE[] = {0x00, 0x50, 0xf2, 0x02, 0x00, 0x01, 0x00}; /* Qos info all set zero */
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static u8 TDLS_WMM_PARAM_IE[] = {0x00, 0x00, 0x03, 0xa4, 0x00, 0x00, 0x27, 0xa4, 0x00, 0x00, 0x42, 0x43, 0x5e, 0x00, 0x62, 0x32, 0x2f, 0x00};
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static u8 TDLS_EXT_CAPIE[] = {0x00, 0x00, 0x00, 0x50, 0x20, 0x00, 0x00, 0x00}; /* bit(28), bit(30), bit(37) */
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/* SRC: Supported Regulatory Classes */
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static u8 TDLS_SRC[] = { 0x01, 0x01, 0x02, 0x03, 0x04, 0x0c, 0x16, 0x17, 0x18, 0x19, 0x1b, 0x1c, 0x1d, 0x1e, 0x20, 0x21 };
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int check_ap_tdls_prohibited(u8 *pframe, u8 pkt_len);
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int check_ap_tdls_ch_switching_prohibited(u8 *pframe, u8 pkt_len);
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u8 rtw_tdls_is_setup_allowed(_adapter *padapter);
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#ifdef CONFIG_TDLS_CH_SW
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u8 rtw_tdls_is_chsw_allowed(_adapter *padapter);
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#endif
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void rtw_reset_tdls_info(_adapter *padapter);
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int rtw_init_tdls_info(_adapter *padapter);
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void rtw_free_tdls_info(struct tdls_info *ptdlsinfo);
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int issue_nulldata_to_TDLS_peer_STA(_adapter *padapter, unsigned char *da, unsigned int power_mode, int try_cnt, int wait_ms);
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void rtw_init_tdls_timer(_adapter *padapter, struct sta_info *psta);
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void rtw_free_tdls_timer(struct sta_info *psta);
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void free_tdls_sta(_adapter *padapter, struct sta_info *ptdls_sta);
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#ifdef CONFIG_TDLS_CH_SW
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void rtw_tdls_set_ch_sw_oper_control(_adapter *padapter, u8 enable);
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void rtw_tdls_ch_sw_back_to_base_chnl(_adapter *padapter);
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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);
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void rtw_tdls_chsw_oper_done(_adapter *padapter);
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#endif
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#ifdef CONFIG_WFD
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int issue_tunneled_probe_req(_adapter *padapter);
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int issue_tunneled_probe_rsp(_adapter *padapter, union recv_frame *precv_frame);
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#endif /* CONFIG_WFD */
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int issue_tdls_dis_req(_adapter *padapter, struct tdls_txmgmt *ptxmgmt);
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int issue_tdls_setup_req(_adapter *padapter, struct tdls_txmgmt *ptxmgmt, int wait_ack);
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int issue_tdls_setup_rsp(_adapter *padapter, struct tdls_txmgmt *ptxmgmt);
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int issue_tdls_setup_cfm(_adapter *padapter, struct tdls_txmgmt *ptxmgmt);
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int issue_tdls_dis_rsp(_adapter *padapter, struct tdls_txmgmt *ptxmgmt, u8 privacy);
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int issue_tdls_teardown(_adapter *padapter, struct tdls_txmgmt *ptxmgmt, u8 wait_ack);
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int issue_tdls_peer_traffic_rsp(_adapter *padapter, struct sta_info *psta, struct tdls_txmgmt *ptxmgmt);
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int issue_tdls_peer_traffic_indication(_adapter *padapter, struct sta_info *psta);
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#ifdef CONFIG_TDLS_CH_SW
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int issue_tdls_ch_switch_req(_adapter *padapter, struct sta_info *ptdls_sta);
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int issue_tdls_ch_switch_rsp(_adapter *padapter, struct tdls_txmgmt *ptxmgmt, int wait_ack);
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#endif
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sint On_TDLS_Dis_Rsp(_adapter *adapter, union recv_frame *precv_frame);
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sint On_TDLS_Setup_Req(_adapter *adapter, union recv_frame *precv_frame);
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int On_TDLS_Setup_Rsp(_adapter *adapter, union recv_frame *precv_frame);
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int On_TDLS_Setup_Cfm(_adapter *adapter, union recv_frame *precv_frame);
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int On_TDLS_Dis_Req(_adapter *adapter, union recv_frame *precv_frame);
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int On_TDLS_Teardown(_adapter *adapter, union recv_frame *precv_frame);
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int On_TDLS_Peer_Traffic_Indication(_adapter *adapter, union recv_frame *precv_frame);
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int On_TDLS_Peer_Traffic_Rsp(_adapter *adapter, union recv_frame *precv_frame);
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#ifdef CONFIG_TDLS_CH_SW
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sint On_TDLS_Ch_Switch_Req(_adapter *adapter, union recv_frame *precv_frame);
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sint On_TDLS_Ch_Switch_Rsp(_adapter *adapter, union recv_frame *precv_frame);
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void rtw_build_tdls_ch_switch_req_ies(_adapter *padapter, struct xmit_frame *pxmitframe, u8 *pframe, struct tdls_txmgmt *ptxmgmt);
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void rtw_build_tdls_ch_switch_rsp_ies(_adapter *padapter, struct xmit_frame *pxmitframe, u8 *pframe, struct tdls_txmgmt *ptxmgmt);
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#endif
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void rtw_build_tdls_setup_req_ies(_adapter *padapter, struct xmit_frame *pxmitframe, u8 *pframe, struct tdls_txmgmt *ptxmgmt);
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void rtw_build_tdls_setup_rsp_ies(_adapter *padapter, struct xmit_frame *pxmitframe, u8 *pframe, struct tdls_txmgmt *ptxmgmt);
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void rtw_build_tdls_setup_cfm_ies(_adapter *padapter, struct xmit_frame *pxmitframe, u8 *pframe, struct tdls_txmgmt *ptxmgmt);
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void rtw_build_tdls_teardown_ies(_adapter *padapter, struct xmit_frame *pxmitframe, u8 *pframe, struct tdls_txmgmt *ptxmgmt);
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void rtw_build_tdls_dis_req_ies(_adapter *padapter, struct xmit_frame *pxmitframe, u8 *pframe, struct tdls_txmgmt *ptxmgmt);
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void rtw_build_tdls_dis_rsp_ies(_adapter *padapter, struct xmit_frame *pxmitframe, u8 *pframe, struct tdls_txmgmt *ptxmgmt, u8 privacy);
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void rtw_build_tdls_peer_traffic_rsp_ies(_adapter *padapter, struct xmit_frame *pxmitframe, u8 *pframe, struct tdls_txmgmt *ptxmgmt);
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void rtw_build_tdls_peer_traffic_indication_ies(_adapter *padapter, struct xmit_frame *pxmitframe, u8 *pframe, struct tdls_txmgmt *ptxmgmt);
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void rtw_build_tunneled_probe_req_ies(_adapter *padapter, struct xmit_frame *pxmitframe, u8 *pframe);
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void rtw_build_tunneled_probe_rsp_ies(_adapter *padapter, struct xmit_frame *pxmitframe, u8 *pframe);
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u32 update_mask_tdls(_adapter *padapter, struct sta_info *psta);
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int rtw_tdls_is_driver_setup(_adapter *padapter);
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void rtw_tdls_set_key(_adapter *padapter, struct sta_info *ptdls_sta);
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const char *rtw_tdls_action_txt(enum TDLS_ACTION_FIELD action);
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#endif /* CONFIG_TDLS */
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#endif
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