- /******************************************************************************
- *
- * (C)Copyright 1998,1999 SysKonnect,
- * a business unit of Schneider & Koch & Co. Datensysteme GmbH.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * The information in this file is provided "AS IS" without warranty.
- *
- ******************************************************************************/
- /*
- * AMD Fplus in tag mode data structs
- * defs for fplustm.c
- */
- #ifndef _FPLUS_
- #define _FPLUS_
- #ifndef HW_PTR
- #ifdef MEM_MAPPED_IO
- #define HW_PTR u_long
- #else
- #define HW_PTR u_short
- #endif
- #endif
- /*
- * fplus error statistic structure
- */
- struct err_st {
- u_long err_valid ; /* memory status valid */
- u_long err_abort ; /* memory status receive abort */
- u_long err_e_indicator ; /* error indicator */
- u_long err_crc ; /* error detected (CRC or length) */
- u_long err_llc_frame ; /* LLC frame */
- u_long err_mac_frame ; /* MAC frame */
- u_long err_smt_frame ; /* SMT frame */
- u_long err_imp_frame ; /* implementer frame */
- u_long err_no_buf ; /* no buffer available */
- u_long err_too_long ; /* longer than max. buffer */
- u_long err_bec_stat ; /* beacon state entered */
- u_long err_clm_stat ; /* claim state entered */
- u_long err_sifg_det ; /* short interframe gap detect */
- u_long err_phinv ; /* PHY invalid */
- u_long err_tkiss ; /* token issued */
- u_long err_tkerr ; /* token error */
- } ;
- /*
- * Transmit Descriptor struct
- */
- struct s_smt_fp_txd {
- u_int txd_tbctrl ; /* transmit buffer control */
- u_int txd_txdscr ; /* transmit frame status word */
- u_int txd_tbadr ; /* physical tx buffer address */
- u_int txd_ntdadr ; /* physical pointer to the next TxD */
- #ifdef ENA_64BIT_SUP
- u_int txd_tbadr_hi ; /* physical tx buffer addr (high dword)*/
- #endif
- char far *txd_virt ; /* virtual pointer to the data frag */
- /* virt pointer to the next TxD */
- struct s_smt_fp_txd volatile far *txd_next ;
- struct s_txd_os txd_os ; /* OS - specific struct */
- } ;
- /*
- * Receive Descriptor struct
- */
- struct s_smt_fp_rxd {
- u_int rxd_rbctrl ; /* receive buffer control */
- u_int rxd_rfsw ; /* receive frame status word */
- u_int rxd_rbadr ; /* physical rx buffer address */
- u_int rxd_nrdadr ; /* physical pointer to the next RxD */
- #ifdef ENA_64BIT_SUP
- u_int rxd_rbadr_hi ; /* physical tx buffer addr (high dword)*/
- #endif
- char far *rxd_virt ; /* virtual pointer to the data frag */
- /* virt pointer to the next RxD */
- struct s_smt_fp_rxd volatile far *rxd_next ;
- struct s_rxd_os rxd_os ; /* OS - specific struct */
- } ;
- /*
- * Descriptor Union Definition
- */
- union s_fp_descr {
- struct s_smt_fp_txd t ; /* pointer to the TxD */
- struct s_smt_fp_rxd r ; /* pointer to the RxD */
- } ;
- /*
- * TxD Ring Control struct
- */
- struct s_smt_tx_queue {
- struct s_smt_fp_txd volatile *tx_curr_put ; /* next free TxD */
- struct s_smt_fp_txd volatile *tx_prev_put ; /* shadow put pointer */
- struct s_smt_fp_txd volatile *tx_curr_get ; /* next TxD to release*/
- u_short tx_free ; /* count of free TxD's */
- u_short tx_used ; /* count of used TxD's */
- HW_PTR tx_bmu_ctl ; /* BMU addr for tx start */
- HW_PTR tx_bmu_dsc ; /* BMU addr for curr dsc. */
- } ;
- /*
- * RxD Ring Control struct
- */
- struct s_smt_rx_queue {
- struct s_smt_fp_rxd volatile *rx_curr_put ; /* next RxD to queue into */
- struct s_smt_fp_rxd volatile *rx_prev_put ; /* shadow put pointer */
- struct s_smt_fp_rxd volatile *rx_curr_get ; /* next RxD to fill */
- u_short rx_free ; /* count of free RxD's */
- u_short rx_used ; /* count of used RxD's */
- HW_PTR rx_bmu_ctl ; /* BMU addr for rx start */
- HW_PTR rx_bmu_dsc ; /* BMU addr for curr dsc. */
- } ;
- #define VOID_FRAME_OFF 0x00
- #define CLAIM_FRAME_OFF 0x08
- #define BEACON_FRAME_OFF 0x10
- #define DBEACON_FRAME_OFF 0x18
- #define RX_FIFO_OFF 0x21 /* to get a prime number for */
- /* the RX_FIFO_SPACE */
- #define RBC_MEM_SIZE 0x8000
- #define SEND_ASYNC_AS_SYNC 0x1
- #define SYNC_TRAFFIC_ON 0x2
- /* big FIFO memory */
- #define RX_FIFO_SPACE 0x4000 - RX_FIFO_OFF
- #define TX_FIFO_SPACE 0x4000
- #define TX_SMALL_FIFO 0x0900
- #define TX_MEDIUM_FIFO TX_FIFO_SPACE / 2
- #define TX_LARGE_FIFO TX_FIFO_SPACE - TX_SMALL_FIFO
- #define RX_SMALL_FIFO 0x0900
- #define RX_LARGE_FIFO RX_FIFO_SPACE - RX_SMALL_FIFO
- struct s_smt_fifo_conf {
- u_short rbc_ram_start ; /* FIFO start address */
- u_short rbc_ram_end ; /* FIFO size */
- u_short rx1_fifo_start ; /* rx queue start address */
- u_short rx1_fifo_size ; /* rx queue size */
- u_short rx2_fifo_start ; /* rx queue start address */
- u_short rx2_fifo_size ; /* rx queue size */
- u_short tx_s_start ; /* sync queue start address */
- u_short tx_s_size ; /* sync queue size */
- u_short tx_a0_start ; /* async queue A0 start address */
- u_short tx_a0_size ; /* async queue A0 size */
- u_short fifo_config_mode ; /* FIFO configuration mode */
- } ;
- #define FM_ADDRX (FM_ADDET|FM_EXGPA0|FM_EXGPA1)
- struct s_smt_fp {
- u_short mdr2init ; /* mode register 2 init value */
- u_short mdr3init ; /* mode register 3 init value */
- u_short frselreg_init ; /* frame selection register init val */
- u_short rx_mode ; /* address mode broad/multi/promisc */
- u_short nsa_mode ;
- u_short rx_prom ;
- u_short exgpa ;
- struct err_st err_stats ; /* error statistics */
- /*
- * MAC buffers
- */
- struct fddi_mac_sf { /* special frame build buffer */
- u_char mac_fc ;
- struct fddi_addr mac_dest ;
- struct fddi_addr mac_source ;
- u_char mac_info[0x20] ;
- } mac_sfb ;
- /*
- * queues
- */
- #define QUEUE_S 0
- #define QUEUE_A0 1
- #define QUEUE_R1 0
- #define QUEUE_R2 1
- #define USED_QUEUES 2
- /*
- * queue pointers; points to the queue dependent variables
- */
- struct s_smt_tx_queue *tx[USED_QUEUES] ;
- struct s_smt_rx_queue *rx[USED_QUEUES] ;
- /*
- * queue dependent variables
- */
- struct s_smt_tx_queue tx_q[USED_QUEUES] ;
- struct s_smt_rx_queue rx_q[USED_QUEUES] ;
- /*
- * FIFO configuration struct
- */
- struct s_smt_fifo_conf fifo ;
- /* last formac status */
- u_short s2u ;
- u_short s2l ;
- /* calculated FORMAC+ reg.addr. */
- HW_PTR fm_st1u ;
- HW_PTR fm_st1l ;
- HW_PTR fm_st2u ;
- HW_PTR fm_st2l ;
- HW_PTR fm_st3u ;
- HW_PTR fm_st3l ;
- /*
- * multicast table
- */
- #define FPMAX_MULTICAST 32
- #define SMT_MAX_MULTI 4
- struct {
- struct s_fpmc {
- struct fddi_addr a ; /* mc address */
- u_char n ; /* usage counter */
- u_char perm ; /* flag: permanent */
- } table[FPMAX_MULTICAST] ;
- } mc ;
- struct fddi_addr group_addr ;
- u_long func_addr ; /* functional address */
- int smt_slots_used ; /* count of table entries for the SMT */
- int os_slots_used ; /* count of table entries */
- /* used by the os-specific module */
- } ;
- /*
- * modes for mac_set_rx_mode()
- */
- #define RX_ENABLE_ALLMULTI 1 /* enable all multicasts */
- #define RX_DISABLE_ALLMULTI 2 /* disable "enable all multicasts" */
- #define RX_ENABLE_PROMISC 3 /* enable promiscous */
- #define RX_DISABLE_PROMISC 4 /* disable promiscous */
- #define RX_ENABLE_NSA 5 /* enable reception of NSA frames */
- #define RX_DISABLE_NSA 6 /* disable reception of NSA frames */
- /*
- * support for byte reversal in AIX
- * (descriptors and pointers must be byte reversed in memory
- * CPU is big endian; M-Channel is little endian)
- */
- #ifdef AIX
- #define MDR_REV
- #define AIX_REVERSE(x) ((((x)<<24L)&0xff000000L) +
- (((x)<< 8L)&0x00ff0000L) +
- (((x)>> 8L)&0x0000ff00L) +
- (((x)>>24L)&0x000000ffL))
- #else
- #ifndef AIX_REVERSE
- #define AIX_REVERSE(x) (x)
- #endif
- #endif
- #ifdef MDR_REV
- #define MDR_REVERSE(x) ((((x)<<24L)&0xff000000L) +
- (((x)<< 8L)&0x00ff0000L) +
- (((x)>> 8L)&0x0000ff00L) +
- (((x)>>24L)&0x000000ffL))
- #else
- #ifndef MDR_REVERSE
- #define MDR_REVERSE(x) (x)
- #endif
- #endif
- #endif