1 /****************************************************************************** 2 * 3 * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved. 4 * 5 * This program is free software; you can redistribute it and/or modify it 6 * under the terms of version 2 of the GNU General Public License as 7 * published by the Free Software Foundation. 8 * 9 * This program is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 12 * more details. 13 * 14 * You should have received a copy of the GNU General Public License along with 15 * this program; if not, write to the Free Software Foundation, Inc., 16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA 17 * 18 * 19 ******************************************************************************/ 20 #ifndef __RTW_TDLS_H_ 21 #define __RTW_TDLS_H_ 22 23 24 #ifdef CONFIG_TDLS 25 /* TDLS STA state */ 26 27 28 /* TDLS Diect Link Establishment */ 29 #define TDLS_STATE_NONE 0x00000000 /* Default state */ 30 #define TDLS_INITIATOR_STATE BIT(28) /* 0x10000000 */ 31 #define TDLS_RESPONDER_STATE BIT(29) /* 0x20000000 */ 32 #define TDLS_LINKED_STATE BIT(30) /* 0x40000000 */ 33 /* TDLS PU Buffer STA */ 34 #define TDLS_WAIT_PTR_STATE BIT(24) /* 0x01000000 */ /* Waiting peer's TDLS_PEER_TRAFFIC_RESPONSE frame */ 35 /* TDLS Check ALive */ 36 #define TDLS_ALIVE_STATE BIT(20) /* 0x00100000 */ /* Check if peer sta is alived. */ 37 /* TDLS Channel Switch */ 38 #define TDLS_CH_SWITCH_ON_STATE BIT(16) /* 0x00010000 */ 39 #define TDLS_PEER_AT_OFF_STATE BIT(17) /* 0x00020000 */ /* Could send pkt on target ch */ 40 #define TDLS_CH_SW_INITIATOR_STATE BIT(18) /* 0x00040000 */ /* Avoid duplicated or unconditional ch. switch rsp. */ 41 #define TDLS_WAIT_CH_RSP_STATE BIT(19) /* 0x00080000 */ /* Wait Ch. response as we are TDLS channel switch initiator */ 42 43 44 #define TPK_RESEND_COUNT 1800 /*Unit: seconds */ 45 #define CH_SWITCH_TIME 5 46 #define CH_SWITCH_TIMEOUT 20 47 #define TDLS_SIGNAL_THRESH 0x20 48 #define TDLS_WATCHDOG_PERIOD 10 /* Periodically sending tdls discovery request in TDLS_WATCHDOG_PERIOD * 2 sec */ 49 #define TDLS_HANDSHAKE_TIME 3000 50 #define TDLS_PTI_TIME 7000 51 52 #define TDLS_MIC_LEN 16 53 #define WPA_NONCE_LEN 32 54 #define TDLS_TIMEOUT_LEN 4 55 56 struct wpa_tdls_ftie { 57 u8 ie_type; /* FTIE */ 58 u8 ie_len; 59 u8 mic_ctrl[2]; 60 u8 mic[TDLS_MIC_LEN]; 61 u8 Anonce[WPA_NONCE_LEN]; /* Responder Nonce in TDLS */ 62 u8 Snonce[WPA_NONCE_LEN]; /* Initiator Nonce in TDLS */ 63 /* followed by optional elements */ 64 } ; 65 66 struct wpa_tdls_lnkid { 67 u8 ie_type; /* Link Identifier IE */ 68 u8 ie_len; 69 u8 bssid[ETH_ALEN]; 70 u8 init_sta[ETH_ALEN]; 71 u8 resp_sta[ETH_ALEN]; 72 } ; 73 74 static u8 TDLS_RSNIE[20]={ 0x01, 0x00, /* Version shall be set to 1 */ 75 0x00, 0x0f, 0xac, 0x07, /* Group sipher suite */ 76 0x01, 0x00, /* Pairwise cipher suite count */ 77 0x00, 0x0f, 0xac, 0x04, /* Pairwise cipher suite list; CCMP only */ 78 0x01, 0x00, /* AKM suite count */ 79 0x00, 0x0f, 0xac, 0x07, /* TPK Handshake */ 80 0x0c, 0x02, 81 /* PMKID shall not be present */ 82 }; 83 84 static u8 TDLS_WMMIE[]={0x00, 0x50, 0xf2, 0x02, 0x00, 0x01, 0x00}; /* Qos info all set zero */ 85 86 static u8 TDLS_WMM_PARAM_IE[] = {0x00, 0x00, 0x03, 0xa4, 0x00, 0x00, 0x27, 0xa4, 0x00, 0x00, 0x42, 0x43, 0x5e, 0x00, 0x62, 0x32, 0x2f, 0x00}; 87 88 static u8 TDLS_EXT_CAPIE[] = {0x00, 0x00, 0x00, 0x50, 0x20, 0x00, 0x00, 0x00}; /* bit(28), bit(30), bit(37) */ 89 90 /* SRC: Supported Regulatory Classes */ 91 static u8 TDLS_SRC[] = { 0x01, 0x01, 0x02, 0x03, 0x04, 0x0c, 0x16, 0x17, 0x18, 0x19, 0x1b, 0x1c, 0x1d, 0x1e, 0x20, 0x21 }; 92 93 int check_ap_tdls_prohibited(u8 *pframe, u8 pkt_len); 94 int check_ap_tdls_ch_switching_prohibited(u8 *pframe, u8 pkt_len); 95 void rtw_reset_tdls_info(_adapter* padapter); 96 int rtw_init_tdls_info(_adapter* padapter); 97 void rtw_free_tdls_info(struct tdls_info *ptdlsinfo); 98 int issue_nulldata_to_TDLS_peer_STA(_adapter *padapter, unsigned char *da, unsigned int power_mode, int try_cnt, int wait_ms); 99 void rtw_init_tdls_timer(_adapter *padapter, struct sta_info *psta); 100 void rtw_free_tdls_timer(struct sta_info *psta); 101 void free_tdls_sta(_adapter *padapter, struct sta_info *ptdls_sta); 102 #ifdef CONFIG_WFD 103 int issue_tunneled_probe_req(_adapter *padapter); 104 int issue_tunneled_probe_rsp(_adapter *padapter, union recv_frame *precv_frame); 105 #endif /* CONFIG_WFD */ 106 int issue_tdls_dis_req(_adapter *padapter, struct tdls_txmgmt *ptxmgmt); 107 int issue_tdls_setup_req(_adapter *padapter, struct tdls_txmgmt *ptxmgmt, int wait_ack); 108 int issue_tdls_setup_rsp(_adapter *padapter, struct tdls_txmgmt *ptxmgmt); 109 int issue_tdls_setup_cfm(_adapter *padapter, struct tdls_txmgmt *ptxmgmt); 110 int issue_tdls_dis_rsp(_adapter * padapter, struct tdls_txmgmt *ptxmgmt, u8 privacy); 111 int issue_tdls_teardown(_adapter *padapter, struct tdls_txmgmt *ptxmgmt, u8 wait_ack); 112 int issue_tdls_peer_traffic_rsp(_adapter *padapter, struct sta_info *psta, struct tdls_txmgmt *ptxmgmt); 113 int issue_tdls_peer_traffic_indication(_adapter *padapter, struct sta_info *psta); 114 int issue_tdls_ch_switch_req(_adapter *padapter, struct sta_info *ptdls_sta); 115 int issue_tdls_ch_switch_rsp(_adapter *padapter, struct tdls_txmgmt *ptxmgmt, int wait_ack); 116 sint On_TDLS_Dis_Rsp(_adapter *adapter, union recv_frame *precv_frame); 117 sint On_TDLS_Setup_Req(_adapter *adapter, union recv_frame *precv_frame); 118 int On_TDLS_Setup_Rsp(_adapter *adapter, union recv_frame *precv_frame); 119 int On_TDLS_Setup_Cfm(_adapter *adapter, union recv_frame *precv_frame); 120 int On_TDLS_Dis_Req(_adapter *adapter, union recv_frame *precv_frame); 121 int On_TDLS_Teardown(_adapter *adapter, union recv_frame *precv_frame); 122 int On_TDLS_Peer_Traffic_Indication(_adapter *adapter, union recv_frame *precv_frame); 123 int On_TDLS_Peer_Traffic_Rsp(_adapter *adapter, union recv_frame *precv_frame); 124 #ifdef CONFIG_TDLS_CH_SW 125 sint On_TDLS_Ch_Switch_Req(_adapter *adapter, union recv_frame *precv_frame); 126 sint On_TDLS_Ch_Switch_Rsp(_adapter *adapter, union recv_frame *precv_frame); 127 void rtw_build_tdls_ch_switch_req_ies(_adapter * padapter, struct xmit_frame * pxmitframe, u8 *pframe, struct tdls_txmgmt *ptxmgmt); 128 void rtw_build_tdls_ch_switch_rsp_ies(_adapter * padapter, struct xmit_frame * pxmitframe, u8 *pframe, struct tdls_txmgmt *ptxmgmt); 129 #endif 130 void rtw_build_tdls_setup_req_ies(_adapter * padapter, struct xmit_frame * pxmitframe, u8 *pframe, struct tdls_txmgmt *ptxmgmt); 131 void rtw_build_tdls_setup_rsp_ies(_adapter * padapter, struct xmit_frame * pxmitframe, u8 *pframe, struct tdls_txmgmt *ptxmgmt); 132 void rtw_build_tdls_setup_cfm_ies(_adapter * padapter, struct xmit_frame * pxmitframe, u8 *pframe, struct tdls_txmgmt *ptxmgmt); 133 void rtw_build_tdls_teardown_ies(_adapter * padapter, struct xmit_frame * pxmitframe, u8 *pframe, struct tdls_txmgmt *ptxmgmt); 134 void rtw_build_tdls_dis_req_ies(_adapter * padapter, struct xmit_frame * pxmitframe, u8 *pframe, struct tdls_txmgmt *ptxmgmt); 135 void rtw_build_tdls_dis_rsp_ies(_adapter * padapter, struct xmit_frame * pxmitframe, u8 *pframe, struct tdls_txmgmt *ptxmgmt, u8 privacy); 136 void rtw_build_tdls_peer_traffic_rsp_ies(_adapter * padapter, struct xmit_frame * pxmitframe, u8 *pframe, struct tdls_txmgmt *ptxmgmt); 137 void rtw_build_tdls_peer_traffic_indication_ies(_adapter * padapter, struct xmit_frame * pxmitframe, u8 *pframe, struct tdls_txmgmt *ptxmgmt); 138 void rtw_build_tunneled_probe_req_ies(_adapter * padapter, struct xmit_frame * pxmitframe, u8 *pframe); 139 void rtw_build_tunneled_probe_rsp_ies(_adapter * padapter, struct xmit_frame * pxmitframe, u8 *pframe); 140 141 u8 update_sgi_tdls(_adapter *padapter, struct sta_info *psta); 142 u32 update_mask_tdls(_adapter *padapter, struct sta_info *psta); 143 int rtw_tdls_is_driver_setup(_adapter *padapter); 144 void rtw_tdls_set_key(_adapter *padapter, struct sta_info *ptdls_sta); 145 const char * rtw_tdls_action_txt(enum TDLS_ACTION_FIELD action); 146 #endif /* CONFIG_TDLS */ 147 148 #endif 149 150