patch-2.0.30 linux/drivers/net/wavelan.h

• Lines: 439
• Date: Thu Mar 6 10:03:51 1997
• Orig file: v2.0.29/linux/drivers/net/wavelan.h
• Orig date: Fri Nov 29 02:00:05 1996

diff -u --recursive --new-file v2.0.29/linux/drivers/net/wavelan.h linux/drivers/net/wavelan.h
@@ -1,160 +1,43 @@
-#define WAVELAN_ADDR_SIZE	6	/* Size of a MAC address */
-#define SA_ADDR0		0x08	/* First octet of WaveLAN MAC addresses */
-#define SA_ADDR1		0x00	/* Second octet of WaveLAN MAC addresses */
-#define SA_ADDR2		0x0E	/* Third octet of WaveLAN MAC addresses */
-#define SA_ALT_ADDR2		0x6A	/* Alternate third octet of WaveLAN MAC addresses */
-#define WAVELAN_MTU		1500	/* Maximum size of WaveLAN packet */
-
 /*
- * Parameter Storage Area (PSA).
+ *	Wavelan ISA driver
+ *
+ *		Jean II - HPLB '96
+ *
+ * Reorganisation and extension of the driver.
+ * Original copyrigth follow. See wavelan.p.h for details.
+ *
+ * This file contain the declarations of the Wavelan hardware. Note that
+ * the Wavelan ISA include a i82586 controler (see definitions in
+ * file i82586.h).
+ *
+ * The main difference between the ISA hardware and the pcmcia one is
+ * the Ethernet Controler (i82586 instead of i82593).
+ * The i82586 allow multiple transmit buffers. The PSA need to be accessed
+ * through the host interface.
  */
-typedef struct psa_t	psa_t;
-struct psa_t
-{
-	unsigned char	psa_io_base_addr_1;	/* Base address 1 ??? */
-	unsigned char	psa_io_base_addr_2;	/* Base address 2 */
-	unsigned char	psa_io_base_addr_3;	/* Base address 3 */
-	unsigned char	psa_io_base_addr_4;	/* Base address 4 */
-	unsigned char	psa_rem_boot_addr_1;	/* Remote Boot Address 1 */
-	unsigned char	psa_rem_boot_addr_2;	/* Remote Boot Address 2 */
-	unsigned char	psa_rem_boot_addr_3;	/* Remote Boot Address 3 */
-	unsigned char	psa_holi_params;	/* HOst Lan Interface (HOLI) Parameters */
-	unsigned char	psa_int_req_no;		/* Interrupt Request Line */
-	unsigned char	psa_unused0[7];		/* unused */
-	unsigned char	psa_univ_mac_addr[WAVELAN_ADDR_SIZE];	/* Universal (factory) MAC Address */
-	unsigned char	psa_local_mac_addr[WAVELAN_ADDR_SIZE];	/* Local MAC Address */
-	unsigned char	psa_univ_local_sel;	/* Universal Local Selection */
-#define		PSA_UNIVERSAL	0		/* Universal (factory) */
-#define		PSA_LOCAL	1		/* Local */
-	unsigned char	psa_comp_number;	/* Compatibility Number: */
-#define		PSA_COMP_PC_AT_915	0 	/* PC-AT 915 MHz	*/
-#define		PSA_COMP_PC_MC_915	1 	/* PC-MC 915 MHz	*/
-#define		PSA_COMP_PC_AT_2400	2 	/* PC-AT 2.4 GHz	*/
-#define		PSA_COMP_PC_MC_2400	3 	/* PC-MC 2.4 GHz	*/
-#define		PSA_COMP_PCMCIA_915	4 	/* PCMCIA 915 MHz	*/
-	unsigned char	psa_thr_pre_set;	/* Modem Threshold Preset */
-	unsigned char	psa_feature_select;	/* ??? */
-#if	0
-	<alias for above>
-	unsigned char	psa_decay_prm;		/* Modem Decay */
-#endif	/* 0 */
-	unsigned char	psa_subband;		/* Subband	*/
-#define		PSA_SUBBAND_915		0	/* 915 MHz	*/
-#define		PSA_SUBBAND_2425	1	/* 2425 MHz	*/
-#define		PSA_SUBBAND_2460	2	/* 2460 MHz	*/
-#define		PSA_SUBBAND_2484	3	/* 2484 MHz	*/
-#define		PSA_SUBBAND_2430_5	4	/* 2430.5 MHz	*/
-#if	0
-	<alias for above>
-	unsigned char	psa_decay_updat_prm;	/* Modem Decay Update ??? */
-#endif	/* 0 */
-	unsigned char	psa_quality_thr;	/* Modem Quality Threshold */
-	unsigned char	psa_mod_delay;		/* Modem Delay ??? */
-	unsigned char	psa_nwid[2];		/* Network ID */
-	unsigned char	psa_undefined;		/* undefined */
-	unsigned char	psa_encryption_select;	/* Encryption On Off */
-	unsigned char	psa_encryption_key[8];	/* Encryption Key */
-	unsigned char	psa_databus_width;	/* 8/16 bit bus width */
-	unsigned char	psa_call_code;		/* ??? */
-#if	0
-	<alias for above>
-	unsigned char	psa_auto_squelch;	/* Automatic Squelch level On off ??? */
-#endif	/* 0 */
-	unsigned char	psa_no_of_retries;	/* LAN Cont. No of retries */
-	unsigned char	psa_acr;		/* LAN Cont. ACR */
-	unsigned char	psa_dump_count;		/* number of Dump Commands in TFB */
-	unsigned char	psa_unused1[4];		/* unused */
-	unsigned char	psa_nwid_prefix;	/* ??? */
-	unsigned char	psa_unused2[3];		/* unused */
-	unsigned char	psa_conf_status;	/* Card Configuration Status */
-	unsigned char	psa_crc[2];		/* CRC over PSA */
-	unsigned char	psa_crc_status;		/* CRC Valid Flag */
-};
-#if	STRUCT_CHECK == 1
-#define	PSA_SIZE	64
-#endif	/* STRUCT_CHECK == 1 */
 
-/*
- * Modem Management Controller (MMC) write structure.
+#ifndef _WAVELAN_H
+#define	_WAVELAN_H
+
+/* The detection of the wavelan card is made by reading the MAC
+ * address from the card and checking it. If you have a non AT&T
+ * product (OEM, like DEC RoamAbout, or Digital Ocean, Epson, ...),
+ * you might need to modify this part to accomodate your hardware...
  */
-typedef struct mmw_t	mmw_t;
-struct mmw_t
+const char	MAC_ADDRESSES[][3] =
 {
-	unsigned char	mmw_encr_key[8];	/* encryption key */
-	unsigned char	mmw_encr_enable;	/* enable/disable encryption */
-	unsigned char	mmw_unused0[1];		/* unused */
-	unsigned char	mmw_des_io_invert;	/* ??? */
-	unsigned char	mmw_unused1[5];		/* unused */
-	unsigned char	mmw_loopt_sel;		/* looptest selection */
-#define		MMW_LOOPT_SEL_UNDEFINED	0x40	/* undefined */
-#define		MMW_LOOPT_SEL_INT	0x20	/* activate Attention Request */
-#define		MMW_LOOPT_SEL_LS	0x10	/* looptest without collision avoidance */
-#define		MMW_LOOPT_SEL_LT3A	0x08	/* looptest 3a */
-#define		MMW_LOOPT_SEL_LT3B	0x04	/* looptest 3b */
-#define		MMW_LOOPT_SEL_LT3C	0x02	/* looptest 3c */
-#define		MMW_LOOPT_SEL_LT3D	0x01	/* looptest 3d */
-	unsigned char	mmw_jabber_enable;	/* jabber timer enable */
-	unsigned char	mmw_freeze;		/* freeze / unfreeze signal level */
-	unsigned char	mmw_anten_sel;		/* antenna selection */
-#define		MMW_ANTEN_SEL_SEL	0x01	/* direct antenna selection */
-#define		MMW_ANTEN_SEL_ALG_EN	0x02	/* antenna selection algorithm enable */
-	unsigned char	mmw_ifs;		/* inter frame spacing */
-	unsigned char	mmw_mod_delay;	 	/* modem delay */
-	unsigned char	mmw_jam_time;		/* jamming time */
-	unsigned char	mmw_unused2[1];		/* unused */
-	unsigned char	mmw_thr_pre_set;	/* level threshold preset */
-	unsigned char	mmw_decay_prm;		/* decay parameters */
-	unsigned char	mmw_decay_updat_prm;	/* decay update parameters */
-	unsigned char	mmw_quality_thr;	/* quality (z-quotient) threshold */
-	unsigned char	mmw_netw_id_l;		/* NWID low order byte */
-	unsigned char	mmw_netw_id_h;		/* NWID high order byte */
-};
-#if	STRUCT_CHECK == 1
-#define	MMW_SIZE	30
-#endif	/* STRUCT_CHECK == 1 */
+  { 0x08, 0x00, 0x0E },		/* AT&T Wavelan (standard) & DEC RoamAbout */
+  { 0x08, 0x00, 0x6A },		/* AT&T Wavelan (alternate) */
+  /* Add your card here and send me the patch ! */
+};
 
-#define	mmwoff(p,f) 	(unsigned short)((void *)(&((mmw_t *)((void *)0 + (p)))->f) - (void *)0)
+#define WAVELAN_ADDR_SIZE	6	/* Size of a MAC address */
 
-/*
- * Modem Management Controller (MMC) read structure.
- */
-typedef struct mmr_t	mmr_t;
-struct mmr_t
-{
-	unsigned char	mmr_unused0[8];		/* unused */
-	unsigned char	mmr_des_status;		/* encryption status */
-	unsigned char	mmr_des_avail;		/* encryption available (0x55 read) */
-	unsigned char	mmr_des_io_invert;	/* des I/O invert register */
-	unsigned char	mmr_unused1[5];		/* unused */
-	unsigned char	mmr_dce_status;		/* DCE status */
-#define		MMR_DCE_STATUS_ENERG_DET	0x01	/* energy detected */
-#define		MMR_DCE_STATUS_LOOPT_IND	0x02	/* loop test indicated */
-#define		MMR_DCE_STATUS_XMTITR_IND	0x04	/* transmitter on */
-#define		MMR_DCE_STATUS_JBR_EXPIRED	0x08	/* jabber timer expired */
-	unsigned char	mmr_unused2[3];		/* unused */
-	unsigned char	mmr_correct_nwid_l;	/* no. of correct NWID's rxd (low) */
-	unsigned char	mmr_correct_nwid_h;	/* no. of correct NWID's rxd (high) */
-	unsigned char	mmr_wrong_nwid_l;	/* count of wrong NWID's received (low) */
-	unsigned char	mmr_wrong_nwid_h;	/* count of wrong NWID's received (high) */
-	unsigned char	mmr_thr_pre_set;	/* level threshold preset */
-	unsigned char	mmr_signal_lvl;		/* signal level */
-	unsigned char	mmr_silence_lvl;	/* silence level */
-	unsigned char	mmr_sgnl_qual;		/* signal quality */
-#define		MMR_SGNL_QUAL_0		0x01	/* signal quality 0 */
-#define		MMR_SGNL_QUAL_1		0x02	/* signal quality 1 */
-#define		MMR_SGNL_QUAL_2		0x04	/* signal quality 2 */
-#define		MMR_SGNL_QUAL_3		0x08	/* signal quality 3 */
-#define		MMR_SGNL_QUAL_S_A	0x80	/* currently selected antenna */
-	unsigned char	mmr_netw_id_l;		/* NWID low order byte ??? */
-	unsigned char	mmr_unused3[1];		/* unused */
-};
-#if	STRUCT_CHECK == 1
-#define	MMR_SIZE	30
-#endif	/* STRUCT_CHECK == 1 */
+#define WAVELAN_MTU		1500	/* Maximum size of WaveLAN packet */
 
-#define	MMR_LEVEL_MASK	0x3F
+#define	MAXDATAZ		(WAVELAN_ADDR_SIZE + WAVELAN_ADDR_SIZE + 2 + WAVELAN_MTU)
 
-#define	mmroff(p,f) 	(unsigned short)((void *)(&((mmr_t *)((void *)0 + (p)))->f) - (void *)0)
+/*************************** PC INTERFACE ****************************/
 
 /*
  * Host Adaptor structure.
@@ -195,9 +78,8 @@
 	unsigned short	ha_pior2;	/* Program I/O Address Register Port 2 */
 	unsigned short	ha_piop2;	/* Program I/O Port 2 */
 };
-#if	STRUCT_CHECK == 1
+
 #define HA_SIZE		16
-#endif	/* STRUCT_CHECK == 1 */
 
 #define	hoff(p,f) 	(unsigned short)((void *)(&((ha_t *)((void *)0 + (p)))->f) - (void *)0)
 #define	HACR(p)		hoff(p, ha_command)
@@ -227,14 +109,14 @@
 #define	HACR_DEFAULT		(HACR_OUT0 | HACR_OUT1 | HACR_16BITS | PIOM(STATIC_PIO, 0) | PIOM(AUTOINCR_PIO, 1) | PIOM(PARAM_ACCESS_PIO, 2))
 #define	HACR_INTRON		(HACR_82586_INT_ENABLE | HACR_MMC_INT_ENABLE | HACR_INTR_CLR_ENABLE)
 
-#define	MAXDATAZ		(WAVELAN_ADDR_SIZE + WAVELAN_ADDR_SIZE + 2 + WAVELAN_MTU)
+/************************** MEMORY LAYOUT **************************/
 
 /*
  * Onboard 64k RAM layout.
  * (Offsets from 0x0000.)
  */
-#define OFFSET_RU		0x0000
-#define OFFSET_CU		0x8000
+#define OFFSET_RU		0x0000		/* 75 % memory */
+#define OFFSET_CU		0xC000		/* 25 % memory */
 #define OFFSET_SCB		(OFFSET_ISCP - sizeof(scb_t))
 #define OFFSET_ISCP		(OFFSET_SCP - sizeof(iscp_t))
 #define OFFSET_SCP		I82586_SCP_ADDR
@@ -244,6 +126,217 @@
 
 #define	NRXBLOCKS		((OFFSET_CU - OFFSET_RU) / RXBLOCKZ)
 #define	NTXBLOCKS		((OFFSET_SCB - OFFSET_CU) / TXBLOCKZ)
+
+/********************** PARAMETER STORAGE AREA **********************/
+
+/*
+ * Parameter Storage Area (PSA).
+ */
+typedef struct psa_t	psa_t;
+struct psa_t
+{
+  unsigned char	psa_io_base_addr_1;	/* [0x00] Base address 1 ??? */
+  unsigned char	psa_io_base_addr_2;	/* [0x01] Base address 2 */
+  unsigned char	psa_io_base_addr_3;	/* [0x02] Base address 3 */
+  unsigned char	psa_io_base_addr_4;	/* [0x03] Base address 4 */
+  unsigned char	psa_rem_boot_addr_1;	/* [0x04] Remote Boot Address 1 */
+  unsigned char	psa_rem_boot_addr_2;	/* [0x05] Remote Boot Address 2 */
+  unsigned char	psa_rem_boot_addr_3;	/* [0x06] Remote Boot Address 3 */
+  unsigned char	psa_holi_params;	/* [0x07] HOst Lan Interface (HOLI) Parameters */
+  unsigned char	psa_int_req_no;		/* [0x08] Interrupt Request Line */
+  unsigned char	psa_unused0[7];		/* [0x09-0x0F] unused */
+
+  unsigned char	psa_univ_mac_addr[WAVELAN_ADDR_SIZE];	/* [0x10-0x15] Universal (factory) MAC Address */
+  unsigned char	psa_local_mac_addr[WAVELAN_ADDR_SIZE];	/* [0x16-1B] Local MAC Address */
+  unsigned char	psa_univ_local_sel;	/* [0x1C] Universal Local Selection */
+#define		PSA_UNIVERSAL	0		/* Universal (factory) */
+#define		PSA_LOCAL	1		/* Local */
+  unsigned char	psa_comp_number;	/* [0x1D] Compatability Number: */
+#define		PSA_COMP_PC_AT_915	0 	/* PC-AT 915 MHz	*/
+#define		PSA_COMP_PC_MC_915	1 	/* PC-MC 915 MHz	*/
+#define		PSA_COMP_PC_AT_2400	2 	/* PC-AT 2.4 GHz	*/
+#define		PSA_COMP_PC_MC_2400	3 	/* PC-MC 2.4 GHz	*/
+#define		PSA_COMP_PCMCIA_915	4 	/* PCMCIA 915 MHz or 2.0 */
+  unsigned char	psa_thr_pre_set;	/* [0x1E] Modem Threshold Preset */
+  unsigned char	psa_feature_select;	/* [0x1F] Call code required (1=on) */
+#define		PSA_FEATURE_CALL_CODE	0x01 	/* Call code required (Japan) */
+  unsigned char	psa_subband;		/* [0x20] Subband	*/
+#define		PSA_SUBBAND_915		0	/* 915 MHz or 2.0 */
+#define		PSA_SUBBAND_2425	1	/* 2425 MHz	*/
+#define		PSA_SUBBAND_2460	2	/* 2460 MHz	*/
+#define		PSA_SUBBAND_2484	3	/* 2484 MHz	*/
+#define		PSA_SUBBAND_2430_5	4	/* 2430.5 MHz	*/
+  unsigned char	psa_quality_thr;	/* [0x21] Modem Quality Threshold */
+  unsigned char	psa_mod_delay;		/* [0x22] Modem Delay ??? (reserved) */
+  unsigned char	psa_nwid[2];		/* [0x23-0x24] Network ID */
+  unsigned char	psa_nwid_select;	/* [0x25] Network ID Select On Off */
+  unsigned char	psa_encryption_select;	/* [0x26] Encryption On Off */
+  unsigned char	psa_encryption_key[8];	/* [0x27-0x2E] Encryption Key */
+  unsigned char	psa_databus_width;	/* [0x2F] AT bus width select 8/16 */
+  unsigned char	psa_call_code[8];	/* [0x30-0x37] (Japan) Call Code */
+  unsigned char	psa_nwid_prefix[2];	/* [0x38-0x39] Roaming domain */
+  unsigned char	psa_reserved[2];	/* [0x3A-0x3B] Reserved - fixed 00 */
+  unsigned char	psa_conf_status;	/* [0x3C] Conf Status, bit 0=1:config*/
+  unsigned char	psa_crc[2];		/* [0x3D] CRC-16 over PSA */
+  unsigned char	psa_crc_status;		/* [0x3F] CRC Valid Flag */
+};
+
+#define	PSA_SIZE	64
+
+/* Calculate offset of a field in the above structure
+ * Warning : only even addresses are used */
+#define	psaoff(p,f) 	((unsigned short) ((void *)(&((psa_t *) ((void *) NULL + (p)))->f) - (void *) NULL))
+
+/******************** MODEM MANAGEMENT INTERFACE ********************/
+
+/*
+ * Modem Management Controller (MMC) write structure.
+ */
+typedef struct mmw_t	mmw_t;
+struct mmw_t
+{
+  unsigned char	mmw_encr_key[8];	/* encryption key */
+  unsigned char	mmw_encr_enable;	/* enable/disable encryption */
+#define	MMW_ENCR_ENABLE_MODE	0x02	/* Mode of security option */
+#define	MMW_ENCR_ENABLE_EN	0x01	/* Enable security option */
+  unsigned char	mmw_unused0[1];		/* unused */
+  unsigned char	mmw_des_io_invert;	/* Encryption option */
+#define	MMW_DES_IO_INVERT_RES	0x0F	/* Reserved */
+#define	MMW_DES_IO_INVERT_CTRL	0xF0	/* Control ??? (set to 0) */
+  unsigned char	mmw_unused1[5];		/* unused */
+  unsigned char	mmw_loopt_sel;		/* looptest selection */
+#define	MMW_LOOPT_SEL_DIS_NWID	0x40	/* disable NWID filtering */
+#define	MMW_LOOPT_SEL_INT	0x20	/* activate Attention Request */
+#define	MMW_LOOPT_SEL_LS	0x10	/* looptest w/o collision avoidance */
+#define MMW_LOOPT_SEL_LT3A	0x08	/* looptest 3a */
+#define	MMW_LOOPT_SEL_LT3B	0x04	/* looptest 3b */
+#define	MMW_LOOPT_SEL_LT3C	0x02	/* looptest 3c */
+#define	MMW_LOOPT_SEL_LT3D	0x01	/* looptest 3d */
+  unsigned char	mmw_jabber_enable;	/* jabber timer enable */
+  /* Abort transmissions > 200 ms */
+  unsigned char	mmw_freeze;		/* freeze / unfreeeze signal level */
+  /* 0 : signal level & qual updated for every new message, 1 : frozen */
+  unsigned char	mmw_anten_sel;		/* antenna selection */
+#define MMW_ANTEN_SEL_SEL	0x01	/* direct antenna selection */
+#define	MMW_ANTEN_SEL_ALG_EN	0x02	/* antenna selection algo. enable */
+  unsigned char	mmw_ifs;		/* inter frame spacing */
+  /* min time between transmission in bit periods (.5 us) - bit 0 ignored */
+  unsigned char	mmw_mod_delay;	 	/* modem delay (synchro) */
+  unsigned char	mmw_jam_time;		/* jamming time (after collision) */
+  unsigned char	mmw_unused2[1];		/* unused */
+  unsigned char	mmw_thr_pre_set;	/* level threshold preset */
+  /* Discard all packet with signal < this value (4) */
+  unsigned char	mmw_decay_prm;		/* decay parameters */
+  unsigned char	mmw_decay_updat_prm;	/* decay update parameterz */
+  unsigned char	mmw_quality_thr;	/* quality (z-quotient) threshold */
+  /* Discard all packet with quality < this value (3) */
+  unsigned char	mmw_netw_id_l;		/* NWID low order byte */
+  unsigned char	mmw_netw_id_h;		/* NWID high order byte */
+  /* Network ID or Domain : create virtual net on the air */
+
+  /* 2.0 Hardware extension - frequency selection support */
+  unsigned char	mmw_mode_select;	/* for analog tests (set to 0) */
+  unsigned char	mmw_unused3[1];		/* unused */
+  unsigned char	mmw_fee_ctrl;		/* frequency eeprom control */
+#define	MMW_FEE_CTRL_PRE	0x10	/* Enable protected instructions */
+#define	MMW_FEE_CTRL_DWLD	0x08	/* Download eeprom to mmc */
+#define	MMW_FEE_CTRL_CMD	0x07	/* EEprom commands : */
+#define	MMW_FEE_CTRL_READ	0x06	/* Read */
+#define	MMW_FEE_CTRL_WREN	0x04	/* Write enable */
+#define	MMW_FEE_CTRL_WRITE	0x05	/* Write data to address */
+#define	MMW_FEE_CTRL_WRALL	0x04	/* Write data to all addresses */
+#define	MMW_FEE_CTRL_WDS	0x04	/* Write disable */
+#define	MMW_FEE_CTRL_PRREAD	0x16	/* Read addr from protect register */
+#define	MMW_FEE_CTRL_PREN	0x14	/* Protect register enable */
+#define	MMW_FEE_CTRL_PRCLEAR	0x17	/* Unprotect all registers */
+#define	MMW_FEE_CTRL_PRWRITE	0x15	/* Write addr in protect register */
+#define	MMW_FEE_CTRL_PRDS	0x14	/* Protect register disable */
+  /* Never issue this command (PRDS) : it's irreversible !!! */
+
+  unsigned char	mmw_fee_addr;		/* EEprom address */
+#define	MMW_FEE_ADDR_CHANNEL	0xF0	/* Select the channel */
+#define	MMW_FEE_ADDR_OFFSET	0x0F	/* Offset in channel data */
+#define	MMW_FEE_ADDR_EN		0xC0	/* FEE_CTRL enable operations */
+#define	MMW_FEE_ADDR_DS		0x00	/* FEE_CTRL disable operations */
+#define	MMW_FEE_ADDR_ALL	0x40	/* FEE_CTRL all operations */
+#define	MMW_FEE_ADDR_CLEAR	0xFF	/* FEE_CTRL clear operations */
+
+  unsigned char	mmw_fee_data_l;		/* Write data to EEprom */
+  unsigned char	mmw_fee_data_h;		/* high octet */
+  unsigned char	mmw_ext_ant;		/* Setting for external antenna */
+#define	MMW_EXT_ANT_EXTANT	0x01	/* Select external antenna */
+#define	MMW_EXT_ANT_POL		0x02	/* Polarity of the antenna */
+#define	MMW_EXT_ANT_INTERNAL	0x00	/* Internal antenna */
+#define	MMW_EXT_ANT_EXTERNAL	0x03	/* External antenna */
+#define	MMW_EXT_ANT_IQ_TEST	0x1C	/* IQ test pattern (set to 0) */
+};
+
+#define	MMW_SIZE	37
+
+#define	mmwoff(p,f) 	(unsigned short)((void *)(&((mmw_t *)((void *)0 + (p)))->f) - (void *)0)
+
+/*
+ * Modem Management Controller (MMC) read structure.
+ */
+typedef struct mmr_t	mmr_t;
+struct mmr_t
+{
+  unsigned char	mmr_unused0[8];		/* unused */
+  unsigned char	mmr_des_status;		/* encryption status */
+  unsigned char	mmr_des_avail;		/* encryption available (0x55 read) */
+#define	MMR_DES_AVAIL_DES	0x55		/* DES available */
+#define	MMR_DES_AVAIL_AES	0x33		/* AES (AT&T) available */
+  unsigned char	mmr_des_io_invert;	/* des I/O invert register */
+  unsigned char	mmr_unused1[5];		/* unused */
+  unsigned char	mmr_dce_status;		/* DCE status */
+#define	MMR_DCE_STATUS_RX_BUSY		0x01	/* receiver busy */
+#define	MMR_DCE_STATUS_LOOPT_IND	0x02	/* loop test indicated */
+#define	MMR_DCE_STATUS_TX_BUSY		0x04	/* transmitter on */
+#define	MMR_DCE_STATUS_JBR_EXPIRED	0x08	/* jabber timer expired */
+  unsigned char	mmr_dsp_id;		/* DSP id (AA = Daedalus rev A) */
+  unsigned char	mmr_unused2[2];		/* unused */
+  unsigned char	mmr_correct_nwid_l;	/* # of correct NWID's rxd (low) */
+  unsigned char	mmr_correct_nwid_h;	/* # of correct NWID's rxd (high) */
+  /* Warning : Read high order octet first !!! */
+  unsigned char	mmr_wrong_nwid_l;	/* # of wrong NWID's rxd (low) */
+  unsigned char	mmr_wrong_nwid_h;	/* # of wrong NWID's rxd (high) */
+  unsigned char	mmr_thr_pre_set;	/* level threshold preset */
+#define	MMR_THR_PRE_SET		0x3F		/* level threshold preset */
+#define	MMR_THR_PRE_SET_CUR	0x80		/* Current signal above it */
+  unsigned char	mmr_signal_lvl;		/* signal level */
+#define	MMR_SIGNAL_LVL		0x3F		/* signal level */
+#define	MMR_SIGNAL_LVL_VALID	0x80		/* Updated since last read */
+  unsigned char	mmr_silence_lvl;	/* silence level (noise) */
+#define	MMR_SILENCE_LVL		0x3F		/* silence level */
+#define	MMR_SILENCE_LVL_VALID	0x80		/* Updated since last read */
+  unsigned char	mmr_sgnl_qual;		/* signal quality */
+#define	MMR_SGNL_QUAL		0x0F		/* signal quality */
+#define	MMR_SGNL_QUAL_ANT	0x80		/* current antenna used */
+  unsigned char	mmr_netw_id_l;		/* NWID low order byte ??? */
+  unsigned char	mmr_unused3[3];		/* unused */
+
+  /* 2.0 Hardware extension - frequency selection support */
+  unsigned char	mmr_fee_status;		/* Status of frequency eeprom */
+#define	MMR_FEE_STATUS_ID	0xF0		/* Modem revision id */
+#define	MMR_FEE_STATUS_DWLD	0x08		/* Download in progress */
+#define	MMR_FEE_STATUS_BUSY	0x04		/* EEprom busy */
+  unsigned char	mmr_unused4[1];		/* unused */
+  unsigned char	mmr_fee_data_l;		/* Read data from eeprom (low) */
+  unsigned char	mmr_fee_data_h;		/* Read data from eeprom (high) */
+};
+
+#define	MMR_SIZE	36
+
+#define	mmroff(p,f) 	(unsigned short)((void *)(&((mmr_t *)((void *)0 + (p)))->f) - (void *)0)
+
+/* Make the two above structures one */
+typedef union mm_t
+{
+  struct mmw_t	w;	/* Write to the mmc */
+  struct mmr_t	r;	/* Read from the mmc */
+} mm_t;
+
+#endif /* _WAVELAN_H */
 
 /*
  * This software may only be used and distributed