diff options
Diffstat (limited to 'drivers/staging/winbond/mac_structures.h')
| -rw-r--r-- | drivers/staging/winbond/mac_structures.h | 670 |
1 files changed, 670 insertions, 0 deletions
diff --git a/drivers/staging/winbond/mac_structures.h b/drivers/staging/winbond/mac_structures.h new file mode 100644 index 000000000000..031d2cb6cd63 --- /dev/null +++ b/drivers/staging/winbond/mac_structures.h @@ -0,0 +1,670 @@ +//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ +// MAC_Structures.h +// +// This file contains the definitions and data structures used by SW-MAC. +// +// Revision Histoy +//================= +// 0.1 2002 UN00 +// 0.2 20021004 PD43 CCLiu6 +// 20021018 PD43 CCLiu6 +// Add enum_TxRate type +// Modify enum_STAState type +// 0.3 20021023 PE23 CYLiu update MAC session struct +// 20021108 +// 20021122 PD43 Austin +// Deleted some unused. +// 20021129 PD43 Austin +// 20030617 increase the 802.11g definition +//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ + +#ifndef _MAC_Structures_H_ +#define _MAC_Structures_H_ + + +//========================================================= +// Some miscellaneous definitions +//----- +#define MAX_CHANNELS 30 +#define MAC_ADDR_LENGTH 6 +#define MAX_WEP_KEY_SIZE 16 // 128 bits +#define MAX_802_11_FRAGMENT_NUMBER 10 // By spec + +//======================================================== +// 802.11 Frame define +//----- +#define MASK_PROTOCOL_VERSION_TYPE 0x0F +#define MASK_FRAGMENT_NUMBER 0x000F +#define SEQUENCE_NUMBER_SHIFT 4 +#define DIFFER_11_TO_3 18 +#define DOT_11_MAC_HEADER_SIZE 24 +#define DOT_11_SNAP_SIZE 6 +#define DOT_11_DURATION_OFFSET 2 +#define DOT_11_SEQUENCE_OFFSET 22 //Sequence control offset +#define DOT_11_TYPE_OFFSET 30 //The start offset of 802.11 Frame// +#define DOT_11_DATA_OFFSET 24 +#define DOT_11_DA_OFFSET 4 +#define DOT_3_TYPE_ARP 0x80F3 +#define DOT_3_TYPE_IPX 0x8137 +#define DOT_3_TYPE_OFFSET 12 + + +#define ETHERNET_HEADER_SIZE 14 +#define MAX_ETHERNET_PACKET_SIZE 1514 + + +//----- management : Type of Bits (2, 3) and Subtype of Bits (4, 5, 6, 7) +#define MAC_SUBTYPE_MNGMNT_ASSOC_REQUEST 0x00 +#define MAC_SUBTYPE_MNGMNT_ASSOC_RESPONSE 0x10 +#define MAC_SUBTYPE_MNGMNT_REASSOC_REQUEST 0x20 +#define MAC_SUBTYPE_MNGMNT_REASSOC_RESPONSE 0x30 +#define MAC_SUBTYPE_MNGMNT_PROBE_REQUEST 0x40 +#define MAC_SUBTYPE_MNGMNT_PROBE_RESPONSE 0x50 +#define MAC_SUBTYPE_MNGMNT_BEACON 0x80 +#define MAC_SUBTYPE_MNGMNT_ATIM 0x90 +#define MAC_SUBTYPE_MNGMNT_DISASSOCIATION 0xA0 +#define MAC_SUBTYPE_MNGMNT_AUTHENTICATION 0xB0 +#define MAC_SUBTYPE_MNGMNT_DEAUTHENTICATION 0xC0 + +//----- control : Type of Bits (2, 3) and Subtype of Bits (4, 5, 6, 7) +#define MAC_SUBTYPE_CONTROL_PSPOLL 0xA4 +#define MAC_SUBTYPE_CONTROL_RTS 0xB4 +#define MAC_SUBTYPE_CONTROL_CTS 0xC4 +#define MAC_SUBTYPE_CONTROL_ACK 0xD4 +#define MAC_SUBTYPE_CONTROL_CFEND 0xE4 +#define MAC_SUBTYPE_CONTROL_CFEND_CFACK 0xF4 + +//----- data : Type of Bits (2, 3) and Subtype of Bits (4, 5, 6, 7) +#define MAC_SUBTYPE_DATA 0x08 +#define MAC_SUBTYPE_DATA_CFACK 0x18 +#define MAC_SUBTYPE_DATA_CFPOLL 0x28 +#define MAC_SUBTYPE_DATA_CFACK_CFPOLL 0x38 +#define MAC_SUBTYPE_DATA_NULL 0x48 +#define MAC_SUBTYPE_DATA_CFACK_NULL 0x58 +#define MAC_SUBTYPE_DATA_CFPOLL_NULL 0x68 +#define MAC_SUBTYPE_DATA_CFACK_CFPOLL_NULL 0x78 + +//----- Frame Type of Bits (2, 3) +#define MAC_TYPE_MANAGEMENT 0x00 +#define MAC_TYPE_CONTROL 0x04 +#define MAC_TYPE_DATA 0x08 + +//----- definitions for Management Frame Element ID (1 BYTE) +#define ELEMENT_ID_SSID 0 +#define ELEMENT_ID_SUPPORTED_RATES 1 +#define ELEMENT_ID_FH_PARAMETER_SET 2 +#define ELEMENT_ID_DS_PARAMETER_SET 3 +#define ELEMENT_ID_CF_PARAMETER_SET 4 +#define ELEMENT_ID_TIM 5 +#define ELEMENT_ID_IBSS_PARAMETER_SET 6 +// 7~15 reserverd +#define ELEMENT_ID_CHALLENGE_TEXT 16 +// 17~31 reserved for challenge text extension +// 32~255 reserved +//-- 11G -- +#define ELEMENT_ID_ERP_INFORMATION 42 +#define ELEMENT_ID_EXTENDED_SUPPORTED_RATES 50 + +//-- WPA -- + +#define ELEMENT_ID_RSN_WPA 221 +#ifdef _WPA2_ +#define ELEMENT_ID_RSN_WPA2 48 +#endif //endif WPA2 + +#define WLAN_MAX_PAIRWISE_CIPHER_SUITE_COUNT ((u16) 6) +#define WLAN_MAX_AUTH_KEY_MGT_SUITE_LIST_COUNT ((u16) 2) + +#ifdef WB_LINUX +#define UNALIGNED +#endif + +//======================================================== +typedef enum enum_PowerManagementMode +{ + ACTIVE = 0, + POWER_SAVE +} WB_PM_Mode, *PWB_PM_MODE; + +//=================================================================== +// Reason Code (Table 18): indicate the reason of DisAssoc, DeAuthen +// length of ReasonCode is 2 Octs. +//=================================================================== +#define REASON_REASERED 0 +#define REASON_UNSPECIDIED 1 +#define REASON_PREAUTH_INVALID 2 +#define DEAUTH_REASON_LEFT_BSS 3 +#define DISASS_REASON_AP_INACTIVE 4 +#define DISASS_REASON_AP_BUSY 5 +#define REASON_CLASS2_FRAME_FROM_NONAUTH_STA 6 +#define REASON_CLASS3_FRAME_FROM_NONASSO_STA 7 +#define DISASS_REASON_LEFT_BSS 8 +#define REASON_NOT_AUTH_YET 9 +//802.11i define +#define REASON_INVALID_IE 13 +#define REASON_MIC_ERROR 14 +#define REASON_4WAY_HANDSHAKE_TIMEOUT 15 +#define REASON_GROUPKEY_UPDATE_TIMEOUT 16 +#define REASON_IE_DIFF_4WAY_ASSOC 17 +#define REASON_INVALID_MULTICAST_CIPHER 18 +#define REASON_INVALID_UNICAST_CIPHER 19 +#define REASON_INVALID_AKMP 20 +#define REASON_UNSUPPORTED_RSNIE_VERSION 21 +#define REASON_INVALID_RSNIE_CAPABILITY 22 +#define REASON_802_1X_AUTH_FAIL 23 +#define REASON_CIPHER_REJECT_PER_SEC_POLICY 14 + +/* +//=========================================================== +// enum_MMPDUResultCode -- +// Status code (2 Octs) in the MMPDU's frame body. Table.19 +// +//=========================================================== +enum enum_MMPDUResultCode +{ +// SUCCESS = 0, // Redefined + UNSPECIFIED_FAILURE = 1, + + // 2 - 9 Reserved + + NOT_SUPPROT_CAPABILITIES = 10, + + //REASSOCIATION_DENIED + // + REASSOC_DENIED_UNABLE_CFM_ASSOC_EXIST = 11, + + //ASSOCIATION_DENIED_NOT_IN_STANDARD + // + ASSOC_DENIED_REASON_NOT_IN_STANDARD = 12, + PEER_NOT_SUPPORT_AUTH_ALGORITHM = 13, + AUTH_SEQNUM_OUT_OF_EXPECT = 14, + AUTH_REJECT_REASON_CHALLENGE_FAIL = 15, + AUTH_REJECT_REASON_WAIT_TIMEOUT = 16, + ASSOC_DENIED_REASON_AP_BUSY = 17, + ASSOC_DENIED_REASON_NOT_SUPPORT_BASIC_RATE = 18 +} WB_MMPDURESULTCODE, *PWB_MMPDURESULTCODE; +*/ + +//=========================================================== +// enum_TxRate -- +// Define the transmission constants based on W89C32 MAC +// target specification. +//=========================================================== +typedef enum enum_TxRate +{ + TXRATE_1M = 0, + TXRATE_2MLONG = 2, + TXRATE_2MSHORT = 3, + TXRATE_55MLONG = 4, + TXRATE_55MSHORT = 5, + TXRATE_11MLONG = 6, + TXRATE_11MSHORT = 7, + TXRATE_AUTO = 255 // PD43 20021108 +} WB_TXRATE, *PWB_TXRATE; + + +#define RATE_BITMAP_1M 1 +#define RATE_BITMAP_2M 2 +#define RATE_BITMAP_5dot5M 5 +#define RATE_BITMAP_6M 6 +#define RATE_BITMAP_9M 9 +#define RATE_BITMAP_11M 11 +#define RATE_BITMAP_12M 12 +#define RATE_BITMAP_18M 18 +#define RATE_BITMAP_22M 22 +#define RATE_BITMAP_24M 24 +#define RATE_BITMAP_33M 17 +#define RATE_BITMAP_36M 19 +#define RATE_BITMAP_48M 25 +#define RATE_BITMAP_54M 28 + +#define RATE_AUTO 0 +#define RATE_1M 2 +#define RATE_2M 4 +#define RATE_5dot5M 11 +#define RATE_6M 12 +#define RATE_9M 18 +#define RATE_11M 22 +#define RATE_12M 24 +#define RATE_18M 36 +#define RATE_22M 44 +#define RATE_24M 48 +#define RATE_33M 66 +#define RATE_36M 72 +#define RATE_48M 96 +#define RATE_54M 108 +#define RATE_MAX 255 + +//CAPABILITY +#define CAPABILITY_ESS_BIT 0x0001 +#define CAPABILITY_IBSS_BIT 0x0002 +#define CAPABILITY_CF_POLL_BIT 0x0004 +#define CAPABILITY_CF_POLL_REQ_BIT 0x0008 +#define CAPABILITY_PRIVACY_BIT 0x0010 +#define CAPABILITY_SHORT_PREAMBLE_BIT 0x0020 +#define CAPABILITY_PBCC_BIT 0x0040 +#define CAPABILITY_CHAN_AGILITY_BIT 0x0080 +#define CAPABILITY_SHORT_SLOT_TIME_BIT 0x0400 +#define CAPABILITY_DSSS_OFDM_BIT 0x2000 + + +struct Capability_Information_Element +{ + union + { + u16 __attribute__ ((packed)) wValue; + #ifdef _BIG_ENDIAN_ //20060926 add by anson's endian + struct _Capability + { + //-- 11G -- + u8 Reserved3 : 2; + u8 DSSS_OFDM : 1; + u8 Reserved2 : 2; + u8 Short_Slot_Time : 1; + u8 Reserved1 : 2; + u8 Channel_Agility : 1; + u8 PBCC : 1; + u8 ShortPreamble : 1; + u8 CF_Privacy : 1; + u8 CF_Poll_Request : 1; + u8 CF_Pollable : 1; + u8 IBSS : 1; + u8 ESS : 1; + } __attribute__ ((packed)) Capability; + #else + struct _Capability + { + u8 ESS : 1; + u8 IBSS : 1; + u8 CF_Pollable : 1; + u8 CF_Poll_Request : 1; + u8 CF_Privacy : 1; + u8 ShortPreamble : 1; + u8 PBCC : 1; + u8 Channel_Agility : 1; + u8 Reserved1 : 2; + //-- 11G -- + u8 Short_Slot_Time : 1; + u8 Reserved2 : 2; + u8 DSSS_OFDM : 1; + u8 Reserved3 : 2; + } __attribute__ ((packed)) Capability; + #endif + }__attribute__ ((packed)) ; +}__attribute__ ((packed)); + +struct FH_Parameter_Set_Element +{ + u8 Element_ID; + u8 Length; + u8 Dwell_Time[2]; + u8 Hop_Set; + u8 Hop_Pattern; + u8 Hop_Index; +}; + +struct DS_Parameter_Set_Element +{ + u8 Element_ID; + u8 Length; + u8 Current_Channel; +}; + +struct Supported_Rates_Element +{ + u8 Element_ID; + u8 Length; + u8 SupportedRates[8]; +}__attribute__ ((packed)); + +struct SSID_Element +{ + u8 Element_ID; + u8 Length; + u8 SSID[32]; +}__attribute__ ((packed)) ; + +struct CF_Parameter_Set_Element +{ + u8 Element_ID; + u8 Length; + u8 CFP_Count; + u8 CFP_Period; + u8 CFP_MaxDuration[2]; // in Time Units + u8 CFP_DurRemaining[2]; // in time units +}; + +struct TIM_Element +{ + u8 Element_ID; + u8 Length; + u8 DTIM_Count; + u8 DTIM_Period; + u8 Bitmap_Control; + u8 Partial_Virtual_Bitmap[251]; +}; + +struct IBSS_Parameter_Set_Element +{ + u8 Element_ID; + u8 Length; + u8 ATIM_Window[2]; +}; + +struct Challenge_Text_Element +{ + u8 Element_ID; + u8 Length; + u8 Challenge_Text[253]; +}; + +struct PHY_Parameter_Set_Element +{ +// int aSlotTime; +// int aSifsTime; + s32 aCCATime; + s32 aRxTxTurnaroundTime; + s32 aTxPLCPDelay; + s32 RxPLCPDelay; + s32 aRxTxSwitchTime; + s32 aTxRampOntime; + s32 aTxRampOffTime; + s32 aTxRFDelay; + s32 aRxRFDelay; + s32 aAirPropagationTime; + s32 aMACProcessingDelay; + s32 aPreambleLength; + s32 aPLCPHeaderLength; + s32 aMPDUDurationFactor; + s32 aMPDUMaxLength; +// int aCWmin; +// int aCWmax; +}; + +//-- 11G -- +struct ERP_Information_Element +{ + u8 Element_ID; + u8 Length; + #ifdef _BIG_ENDIAN_ //20060926 add by anson's endian + u8 Reserved:5; //20060926 add by anson + u8 Barker_Preamble_Mode:1; + u8 Use_Protection:1; + u8 NonERP_Present:1; + #else + u8 NonERP_Present:1; + u8 Use_Protection:1; + u8 Barker_Preamble_Mode:1; + u8 Reserved:5; + #endif +}; + +struct Extended_Supported_Rates_Element +{ + u8 Element_ID; + u8 Length; + u8 ExtendedSupportedRates[255]; +}__attribute__ ((packed)); + +//WPA(802.11i draft 3.0) +#define VERSION_WPA 1 +#ifdef _WPA2_ +#define VERSION_WPA2 1 +#endif //end def _WPA2_ +#define OUI_WPA 0x00F25000 //WPA2.0 OUI=00:50:F2, the MSB is reserved for suite type +#ifdef _WPA2_ +#define OUI_WPA2 0x00AC0F00 // for wpa2 change to 0x00ACOF04 by Ws 26/04/04 +#endif //end def _WPA2_ + +#define OUI_WPA_ADDITIONAL 0x01 +#define WLAN_MIN_RSN_WPA_LENGTH 6 //added by ws 09/10/04 +#ifdef _WPA2_ +#define WLAN_MIN_RSN_WPA2_LENGTH 2 // Fix to 2 09/14/05 +#endif //end def _WPA2_ + +#define oui_wpa (u32)(OUI_WPA|OUI_WPA_ADDITIONAL) + +#define WPA_OUI_BIG ((u32) 0x01F25000)//added by ws 09/23/04 +#define WPA_OUI_LITTLE ((u32) 0x01F25001)//added by ws 09/23/04 + +#define WPA_WPS_OUI cpu_to_le32(0x04F25000) // 20061108 For WPS. It's little endian. Big endian is 0x0050F204 + +//-----WPA2----- +#ifdef _WPA2_ +#define WPA2_OUI_BIG ((u32)0x01AC0F00) +#define WPA2_OUI_LITTLE ((u32)0x01AC0F01) +#endif //end def _WPA2_ + +//Authentication suite +#define OUI_AUTH_WPA_NONE 0x00 //for WPA_NONE +#define OUI_AUTH_8021X 0x01 +#define OUI_AUTH_PSK 0x02 +//Cipher suite +#define OUI_CIPHER_GROUP_KEY 0x00 //added by ws 05/21/04 +#define OUI_CIPHER_WEP_40 0x01 +#define OUI_CIPHER_TKIP 0x02 +#define OUI_CIPHER_CCMP 0x04 +#define OUI_CIPHER_WEP_104 0x05 + +typedef struct _SUITE_SELECTOR_ +{ + union + { + u8 Value[4]; + struct _SUIT_ + { + u8 OUI[3]; + u8 Type; + }SuitSelector; + }; +}SUITE_SELECTOR; + +//-- WPA -- +struct RSN_Information_Element +{ + u8 Element_ID; + u8 Length; + UNALIGNED SUITE_SELECTOR OuiWPAAdditional;//WPA version 2.0 additional field, and should be 00:50:F2:01 + u16 Version; + SUITE_SELECTOR GroupKeySuite; + u16 PairwiseKeySuiteCount; + SUITE_SELECTOR PairwiseKeySuite[1]; +}__attribute__ ((packed)); +struct RSN_Auth_Sub_Information_Element +{ + u16 AuthKeyMngtSuiteCount; + SUITE_SELECTOR AuthKeyMngtSuite[1]; +}__attribute__ ((packed)); + +//-- WPA2 -- +struct RSN_Capability_Element +{ + union + { + u16 __attribute__ ((packed)) wValue; + #ifdef _BIG_ENDIAN_ //20060927 add by anson's endian + struct _RSN_Capability + { + u16 __attribute__ ((packed)) Reserved2 : 8; // 20051201 + u16 __attribute__ ((packed)) Reserved1 : 2; + u16 __attribute__ ((packed)) GTK_Replay_Counter : 2; + u16 __attribute__ ((packed)) PTK_Replay_Counter : 2; + u16 __attribute__ ((packed)) No_Pairwise : 1; + u16 __attribute__ ((packed)) Pre_Auth : 1; + }__attribute__ ((packed)) RSN_Capability; + #else + struct _RSN_Capability + { + u16 __attribute__ ((packed)) Pre_Auth : 1; + u16 __attribute__ ((packed)) No_Pairwise : 1; + u16 __attribute__ ((packed)) PTK_Replay_Counter : 2; + u16 __attribute__ ((packed)) GTK_Replay_Counter : 2; + u16 __attribute__ ((packed)) Reserved1 : 2; + u16 __attribute__ ((packed)) Reserved2 : 8; // 20051201 + }__attribute__ ((packed)) RSN_Capability; + #endif + + }__attribute__ ((packed)) ; +}__attribute__ ((packed)) ; + +#ifdef _WPA2_ +typedef struct _PMKID +{ + u8 pValue[16]; +}PMKID; + +struct WPA2_RSN_Information_Element +{ + u8 Element_ID; + u8 Length; + u16 Version; + SUITE_SELECTOR GroupKeySuite; + u16 PairwiseKeySuiteCount; + SUITE_SELECTOR PairwiseKeySuite[1]; + +}__attribute__ ((packed)); + +struct WPA2_RSN_Auth_Sub_Information_Element +{ + u16 AuthKeyMngtSuiteCount; + SUITE_SELECTOR AuthKeyMngtSuite[1]; +}__attribute__ ((packed)); + + +struct PMKID_Information_Element +{ + u16 PMKID_Count; + PMKID pmkid [16] ; +}__attribute__ ((packed)); + +#endif //enddef _WPA2_ +//============================================================ +// MAC Frame structure (different type) and subfield structure +//============================================================ +struct MAC_frame_control +{ + u8 mac_frame_info; // a combination of the [Protocol Version, Control Type, Control Subtype] + #ifdef _BIG_ENDIAN_ //20060927 add by anson's endian + u8 order:1; + u8 WEP:1; + u8 more_data:1; + u8 pwr_mgt:1; + u8 retry:1; + u8 more_frag:1; + u8 from_ds:1; + u8 to_ds:1; + #else + u8 to_ds:1; + u8 from_ds:1; + u8 more_frag:1; + u8 retry:1; + u8 pwr_mgt:1; + u8 more_data:1; + u8 WEP:1; + u8 order:1; + #endif +} __attribute__ ((packed)); + +struct Management_Frame { + struct MAC_frame_control frame_control; // 2B, ToDS,FromDS,MoreFrag,MoreData,Order=0 + u16 duration; + u8 DA[MAC_ADDR_LENGTH]; // Addr1 + u8 SA[MAC_ADDR_LENGTH]; // Addr2 + u8 BSSID[MAC_ADDR_LENGTH]; // Addr3 + u16 Sequence_Control; + // Management Frame Body <= 325 bytes + // FCS 4 bytes +}__attribute__ ((packed)); + +// SW-MAC don't Tx/Rx Control-Frame, HW-MAC do it. +struct Control_Frame { + struct MAC_frame_control frame_control; // ToDS,FromDS,MoreFrag,Retry,MoreData,WEP,Order=0 + u16 duration; + u8 RA[MAC_ADDR_LENGTH]; + u8 TA[MAC_ADDR_LENGTH]; + u16 FCS; +}__attribute__ ((packed)); + +struct Data_Frame { + struct MAC_frame_control frame_control; + u16 duration; + u8 Addr1[MAC_ADDR_LENGTH]; + u8 Addr2[MAC_ADDR_LENGTH]; + u8 Addr3[MAC_ADDR_LENGTH]; + u16 Sequence_Control; + u8 Addr4[MAC_ADDR_LENGTH]; // only exist when ToDS=FromDS=1 + // Data Frame Body <= 2312 + // FCS +}__attribute__ ((packed)); + +struct Disassociation_Frame_Body +{ + u16 reasonCode; +}__attribute__ ((packed)); + +struct Association_Request_Frame_Body +{ + u16 capability_information; + u16 listenInterval; + u8 Current_AP_Address[MAC_ADDR_LENGTH];//for reassociation only + // SSID (2+32 bytes) + // Supported_Rates (2+8 bytes) +}__attribute__ ((packed)); + +struct Association_Response_Frame_Body +{ + u16 capability_information; + u16 statusCode; + u16 Association_ID; + struct Supported_Rates_Element supportedRates; +}__attribute__ ((packed)); + +/*struct Reassociation_Request_Frame_Body +{ + u16 capability_information; + u16 listenInterval; + u8 Current_AP_Address[MAC_ADDR_LENGTH]; + // SSID (2+32 bytes) + // Supported_Rates (2+8 bytes) +};*/ +// eliminated by WS 07/22/04 comboined with associateion request frame. + +struct Reassociation_Response_Frame_Body +{ + u16 capability_information; + u16 statusCode; + u16 Association_ID; + struct Supported_Rates_Element supportedRates; +}__attribute__ ((packed)); + +struct Deauthentication_Frame_Body +{ + u16 reasonCode; +}__attribute__ ((packed)); + + +struct Probe_Response_Frame_Body +{ + u16 Timestamp; + u16 Beacon_Interval; + u16 Capability_Information; + // SSID + // Supported_Rates + // PHY parameter Set (DS Parameters) + // CF parameter Set + // IBSS parameter Set +}__attribute__ ((packed)); + +struct Authentication_Frame_Body +{ + u16 algorithmNumber; + u16 sequenceNumber; + u16 statusCode; + // NB: don't include ChallengeText in this structure + // struct Challenge_Text_Element sChallengeTextElement; // wkchen added +}__attribute__ ((packed)); + + +#endif // _MAC_Structure_H_ + + |