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231 lines
6.5 KiB
C
231 lines
6.5 KiB
C
/******************************************************************************
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*
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* Copyright(c) 2016 - 2017 Realtek Corporation.
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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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*****************************************************************************/
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#ifndef __INC_WAPI_H
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#define __INC_WAPI_H
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#define CONFIG_WAPI_SW_SMS4
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#define WAPI_DEBUG
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#define SMS4_MIC_LEN 16
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#define WAPI_EXT_LEN 18
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#define MAX_WAPI_IE_LEN 256
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#define sMacHdrLng 24 /* octets in data header, no WEP */
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#ifdef WAPI_DEBUG
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/* WAPI trace debug */
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extern u32 wapi_debug_component;
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static inline void dump_buf(u8 *buf, u32 len)
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{
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u32 i;
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printk("-----------------Len %d----------------\n", len);
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for (i = 0; i < len; i++)
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printk("%2.2x-", *(buf + i));
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printk("\n");
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}
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#define WAPI_TRACE(component, x, args...) \
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do { if (wapi_debug_component & (component)) \
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printk(KERN_DEBUG "WAPI" ":" x "" , \
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##args);\
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} while (0);
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#define WAPI_DATA(component, x, buf, len) \
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do { if (wapi_debug_component & (component)) { \
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printk("%s:\n", x);\
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dump_buf((buf), (len)); } \
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} while (0);
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#define RT_ASSERT_RET(_Exp) \
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if (!(_Exp)) { \
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printk("RTWLAN: "); \
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printk("Assertion failed! %s,%s, line=%d\n", \
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#_Exp, __FUNCTION__, __LINE__); \
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return; \
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}
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#define RT_ASSERT_RET_VALUE(_Exp, Ret) \
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if (!(_Exp)) { \
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printk("RTWLAN: "); \
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printk("Assertion failed! %s,%s, line=%d\n", \
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#_Exp, __FUNCTION__, __LINE__); \
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return Ret; \
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}
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#else
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#define RT_ASSERT_RET(_Exp) do {} while (0)
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#define RT_ASSERT_RET_VALUE(_Exp, Ret) do {} while (0)
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#define WAPI_TRACE(component, x, args...) do {} while (0)
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#define WAPI_DATA(component, x, buf, len) do {} while (0)
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#endif
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enum WAPI_DEBUG {
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WAPI_INIT = 1,
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WAPI_API = 1 << 1,
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WAPI_TX = 1 << 2,
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WAPI_RX = 1 << 3,
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WAPI_MLME = 1 << 4,
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WAPI_IOCTL = 1 << 5,
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WAPI_ERR = 1 << 31
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};
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#define WAPI_MAX_BKID_NUM 4
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#define WAPI_MAX_STAINFO_NUM 4
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#define WAPI_CAM_ENTRY_NUM 14 /* 28/2 = 14 */
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typedef struct _RT_WAPI_BKID {
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struct list_head list;
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u8 bkid[16];
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} RT_WAPI_BKID, *PRT_WAPI_BKID;
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typedef struct _RT_WAPI_KEY {
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u8 dataKey[16];
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u8 micKey[16];
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u8 keyId;
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bool bSet;
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bool bTxEnable;
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} RT_WAPI_KEY, *PRT_WAPI_KEY;
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typedef enum _RT_WAPI_PACKET_TYPE {
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WAPI_NONE = 0,
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WAPI_PREAUTHENTICATE = 1,
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WAPI_STAKEY_REQUEST = 2,
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WAPI_AUTHENTICATE_ACTIVE = 3,
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WAPI_ACCESS_AUTHENTICATE_REQUEST = 4,
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WAPI_ACCESS_AUTHENTICATE_RESPONSE = 5,
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WAPI_CERTIFICATE_AUTHENTICATE_REQUEST = 6,
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WAPI_CERTIFICATE_AUTHENTICATE_RESPONSE = 7,
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WAPI_USK_REQUEST = 8,
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WAPI_USK_RESPONSE = 9,
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WAPI_USK_CONFIRM = 10,
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WAPI_MSK_NOTIFICATION = 11,
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WAPI_MSK_RESPONSE = 12
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} RT_WAPI_PACKET_TYPE;
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typedef struct _RT_WAPI_STA_INFO {
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struct list_head list;
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u8 PeerMacAddr[6];
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RT_WAPI_KEY wapiUsk;
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RT_WAPI_KEY wapiUskUpdate;
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RT_WAPI_KEY wapiMsk;
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RT_WAPI_KEY wapiMskUpdate;
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u8 lastRxUnicastPN[16];
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u8 lastTxUnicastPN[16];
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u8 lastRxMulticastPN[16];
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u8 lastRxUnicastPNBEQueue[16];
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u8 lastRxUnicastPNBKQueue[16];
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u8 lastRxUnicastPNVIQueue[16];
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u8 lastRxUnicastPNVOQueue[16];
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bool bSetkeyOk;
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bool bAuthenticateInProgress;
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bool bAuthenticatorInUpdata;
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} RT_WAPI_STA_INFO, *PRT_WAPI_STA_INFO;
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/* Added for HW wapi en/decryption */
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typedef struct _RT_WAPI_CAM_ENTRY {
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/* RT_LIST_ENTRY list; */
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u8 IsUsed;
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u8 entry_idx;/* for cam entry */
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u8 keyidx; /* 0 or 1,new or old key */
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u8 PeerMacAddr[6];
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u8 type; /* should be 110,wapi */
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} RT_WAPI_CAM_ENTRY, *PRT_WAPI_CAM_ENTRY;
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typedef struct _RT_WAPI_T {
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/* BKID */
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RT_WAPI_BKID wapiBKID[WAPI_MAX_BKID_NUM];
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struct list_head wapiBKIDIdleList;
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struct list_head wapiBKIDStoreList;
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/* Key for Tx Multicast/Broadcast */
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RT_WAPI_KEY wapiTxMsk;
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/* sec related */
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u8 lastTxMulticastPN[16];
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/* STA list */
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RT_WAPI_STA_INFO wapiSta[WAPI_MAX_STAINFO_NUM];
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struct list_head wapiSTAIdleList;
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struct list_head wapiSTAUsedList;
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/* */
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bool bWapiEnable;
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/* store WAPI IE */
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u8 wapiIE[256];
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u8 wapiIELength;
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bool bWapiPSK;
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/* last sequece number for wai packet */
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u16 wapiSeqnumAndFragNum;
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int extra_prefix_len;
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int extra_postfix_len;
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RT_WAPI_CAM_ENTRY wapiCamEntry[WAPI_CAM_ENTRY_NUM];
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} RT_WAPI_T, *PRT_WAPI_T;
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typedef struct _WLAN_HEADER_WAPI_EXTENSION {
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u8 KeyIdx;
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u8 Reserved;
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u8 PN[16];
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} WLAN_HEADER_WAPI_EXTENSION, *PWLAN_HEADER_WAPI_EXTENSION;
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u32 WapiComparePN(u8 *PN1, u8 *PN2);
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void rtw_wapi_init(_adapter *padapter);
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void rtw_wapi_free(_adapter *padapter);
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void rtw_wapi_disable_tx(_adapter *padapter);
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u8 rtw_wapi_is_wai_packet(_adapter *padapter, u8 *pkt_data);
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void rtw_wapi_update_info(_adapter *padapter, union recv_frame *precv_frame);
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u8 rtw_wapi_check_for_drop(_adapter *padapter, union recv_frame *precv_frame, u8 *ehdr_ops);
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void rtw_build_probe_resp_wapi_ie(_adapter *padapter, unsigned char *pframe, struct pkt_attrib *pattrib);
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void rtw_build_beacon_wapi_ie(_adapter *padapter, unsigned char *pframe, struct pkt_attrib *pattrib);
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void rtw_build_assoc_req_wapi_ie(_adapter *padapter, unsigned char *pframe, struct pkt_attrib *pattrib);
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void rtw_wapi_on_assoc_ok(_adapter *padapter, PNDIS_802_11_VARIABLE_IEs pIE);
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void rtw_wapi_return_one_sta_info(_adapter *padapter, u8 *MacAddr);
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void rtw_wapi_return_all_sta_info(_adapter *padapter);
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void rtw_wapi_clear_cam_entry(_adapter *padapter, u8 *pMacAddr);
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void rtw_wapi_clear_all_cam_entry(_adapter *padapter);
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void rtw_wapi_set_key(_adapter *padapter, RT_WAPI_KEY *pWapiKey, RT_WAPI_STA_INFO *pWapiSta, u8 bGroupKey, u8 bUseDefaultKey);
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int rtw_wapi_create_event_send(_adapter *padapter, u8 EventId, u8 *MacAddr, u8 *Buff, u16 BufLen);
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u32 rtw_sms4_encrypt(_adapter *padapter, u8 *pxmitframe);
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u32 rtw_sms4_decrypt(_adapter *padapter, u8 *precvframe);
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void rtw_wapi_get_iv(_adapter *padapter, u8 *pRA, u8 *IV);
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u8 WapiIncreasePN(u8 *PN, u8 AddCount);
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bool rtw_wapi_drop_for_key_absent(_adapter *padapter, u8 *pRA);
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void rtw_wapi_set_set_encryption(_adapter *padapter, struct ieee_param *param);
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#endif
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