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rtl8812au/include/rtw_wapi.h
2018-08-24 22:52:34 +02:00

231 lines
6.5 KiB
C

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