+++ /dev/null
-/******************************************************************************
- *
- * (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.
- *
- ******************************************************************************/
-
-#ifndef _HWM_
-#define _HWM_
-
-#include "h/mbuf.h"
-
-/*
- * MACRO for DMA synchronization:
- * The descriptor 'desc' is flushed for the device 'flag'.
- * Devices are the CPU (DDI_DMA_SYNC_FORCPU) and the
- * adapter (DDI_DMA_SYNC_FORDEV).
- *
- * 'desc' Pointer to a Rx or Tx descriptor.
- * 'flag' Flag for direction (view for CPU or DEVICE) that
- * should be synchronized.
- *
- * Empty macros and defines are specified here. The real macro
- * is os-specific and should be defined in osdef1st.h.
- */
-#ifndef DRV_BUF_FLUSH
-#define DRV_BUF_FLUSH(desc,flag)
-#define DDI_DMA_SYNC_FORCPU
-#define DDI_DMA_SYNC_FORDEV
-#endif
-
- /*
- * hardware modul dependent receive modes
- */
-#define RX_ENABLE_PASS_SMT 21
-#define RX_DISABLE_PASS_SMT 22
-#define RX_ENABLE_PASS_NSA 23
-#define RX_DISABLE_PASS_NSA 24
-#define RX_ENABLE_PASS_DB 25
-#define RX_DISABLE_PASS_DB 26
-#define RX_DISABLE_PASS_ALL 27
-#define RX_DISABLE_LLC_PROMISC 28
-#define RX_ENABLE_LLC_PROMISC 29
-
-
-#ifndef DMA_RD
-#define DMA_RD 1 /* memory -> hw */
-#endif
-#ifndef DMA_WR
-#define DMA_WR 2 /* hw -> memory */
-#endif
-#define SMT_BUF 0x80
-
- /*
- * bits of the frame status byte
- */
-#define EN_IRQ_EOF 0x02 /* get IRQ after end of frame transmission */
-#define LOC_TX 0x04 /* send frame to the local SMT */
-#define LAST_FRAG 0x08 /* last TxD of the frame */
-#define FIRST_FRAG 0x10 /* first TxD of the frame */
-#define LAN_TX 0x20 /* send frame to network if set */
-#define RING_DOWN 0x40 /* error: unable to send, ring down */
-#define OUT_OF_TXD 0x80 /* error: not enough TxDs available */
-
-
-#ifndef NULL
-#define NULL 0
-#endif
-
-#ifdef LITTLE_ENDIAN
-#define HWM_REVERSE(x) (x)
-#else
-#define HWM_REVERSE(x) ((((x)<<24L)&0xff000000L) + \
- (((x)<< 8L)&0x00ff0000L) + \
- (((x)>> 8L)&0x0000ff00L) + \
- (((x)>>24L)&0x000000ffL))
-#endif
-
-#define C_INDIC (1L<<25)
-#define A_INDIC (1L<<26)
-#define RD_FS_LOCAL 0x80
-
- /*
- * DEBUG FLAGS
- */
-#define DEBUG_SMTF 1
-#define DEBUG_SMT 2
-#define DEBUG_ECM 3
-#define DEBUG_RMT 4
-#define DEBUG_CFM 5
-#define DEBUG_PCM 6
-#define DEBUG_SBA 7
-#define DEBUG_ESS 8
-
-#define DB_HWM_RX 10
-#define DB_HWM_TX 11
-#define DB_HWM_GEN 12
-
-struct s_mbuf_pool {
-#ifndef MB_OUTSIDE_SMC
- SMbuf mb[MAX_MBUF] ; /* mbuf pool */
-#endif
- SMbuf *mb_start ; /* points to the first mb */
- SMbuf *mb_free ; /* free queue */
-} ;
-
-struct hwm_r {
- /*
- * hardware modul specific receive variables
- */
- u_int len ; /* length of the whole frame */
- char *mb_pos ; /* SMbuf receive position */
-} ;
-
-struct hw_modul {
- /*
- * All hardware modul specific variables
- */
- struct s_mbuf_pool mbuf_pool ;
- struct hwm_r r ;
-
- union s_fp_descr volatile *descr_p ; /* points to the desriptor area */
-
- u_short pass_SMT ; /* pass SMT frames */
- u_short pass_NSA ; /* pass all NSA frames */
- u_short pass_DB ; /* pass Direct Beacon Frames */
- u_short pass_llc_promisc ; /* pass all llc frames (default ON) */
-
- SMbuf *llc_rx_pipe ; /* points to the first queued llc fr */
- SMbuf *llc_rx_tail ; /* points to the last queued llc fr */
- int queued_rx_frames ; /* number of queued frames */
-
- SMbuf *txd_tx_pipe ; /* points to first mb in the txd ring */
- SMbuf *txd_tx_tail ; /* points to last mb in the txd ring */
- int queued_txd_mb ; /* number of SMT MBufs in txd ring */
-
- int rx_break ; /* rev. was breaked because ind. off */
- int leave_isr ; /* leave fddi_isr immedeately if set */
- int isr_flag ; /* set, when HWM is entered from isr */
- /*
- * variables for the current transmit frame
- */
- struct s_smt_tx_queue *tx_p ; /* pointer to the transmit queue */
- u_long tx_descr ; /* tx descriptor for FORMAC+ */
- int tx_len ; /* tx frame length */
- SMbuf *tx_mb ; /* SMT tx MBuf pointer */
- char *tx_data ; /* data pointer to the SMT tx Mbuf */
-
- int detec_count ; /* counter for out of RxD condition */
- u_long rx_len_error ; /* rx len FORMAC != sum of fragments */
-} ;
-
-
-/*
- * DEBUG structs and macros
- */
-
-#ifdef DEBUG
-struct os_debug {
- int hwm_rx ;
- int hwm_tx ;
- int hwm_gen ;
-} ;
-#endif
-
-#ifdef DEBUG
-#ifdef DEBUG_BRD
-#define DB_P smc->debug
-#else
-#define DB_P debug
-#endif
-
-#define DB_RX(a,b,c,lev) if (DB_P.d_os.hwm_rx >= (lev)) printf(a,b,c)
-#define DB_TX(a,b,c,lev) if (DB_P.d_os.hwm_tx >= (lev)) printf(a,b,c)
-#define DB_GEN(a,b,c,lev) if (DB_P.d_os.hwm_gen >= (lev)) printf(a,b,c)
-#else /* DEBUG */
-#define DB_RX(a,b,c,lev)
-#define DB_TX(a,b,c,lev)
-#define DB_GEN(a,b,c,lev)
-#endif /* DEBUG */
-
-#ifndef SK_BREAK
-#define SK_BREAK()
-#endif
-
-
-/*
- * HWM Macros
- */
-
-/*
- * BEGIN_MANUAL_ENTRY(HWM_GET_TX_PHYS)
- * u_long HWM_GET_TX_PHYS(txd)
- *
- * function MACRO (hardware module, hwmtm.h)
- * This macro may be invoked by the OS-specific module to read
- * the physical address of the specified TxD.
- *
- * para txd pointer to the TxD
- *
- * END_MANUAL_ENTRY
- */
-#define HWM_GET_TX_PHYS(txd) (u_long)AIX_REVERSE((txd)->txd_tbadr)
-
-/*
- * BEGIN_MANUAL_ENTRY(HWM_GET_TX_LEN)
- * int HWM_GET_TX_LEN(txd)
- *
- * function MACRO (hardware module, hwmtm.h)
- * This macro may be invoked by the OS-specific module to read
- * the fragment length of the specified TxD
- *
- * para rxd pointer to the TxD
- *
- * return the length of the fragment in bytes
- *
- * END_MANUAL_ENTRY
- */
-#define HWM_GET_TX_LEN(txd) ((int)AIX_REVERSE((txd)->txd_tbctrl)& RD_LENGTH)
-
-/*
- * BEGIN_MANUAL_ENTRY(HWM_GET_TX_USED)
- * txd *HWM_GET_TX_USED(smc,queue)
- *
- * function MACRO (hardware module, hwmtm.h)
- * This macro may be invoked by the OS-specific module to get the
- * number of used TxDs for the queue, specified by the index.
- *
- * para queue the number of the send queue: Can be specified by
- * QUEUE_A0, QUEUE_S or (frame_status & QUEUE_A0)
- *
- * return number of used TxDs for this send queue
- *
- * END_MANUAL_ENTRY
- */
-#define HWM_GET_TX_USED(smc,queue) (int) (smc)->hw.fp.tx_q[queue].tx_used
-
-/*
- * BEGIN_MANUAL_ENTRY(HWM_GET_CURR_TXD)
- * txd *HWM_GET_CURR_TXD(smc,queue)
- *
- * function MACRO (hardware module, hwmtm.h)
- * This macro may be invoked by the OS-specific module to get the
- * pointer to the TxD which points to the current queue put
- * position.
- *
- * para queue the number of the send queue: Can be specified by
- * QUEUE_A0, QUEUE_S or (frame_status & QUEUE_A0)
- *
- * return pointer to the current TxD
- *
- * END_MANUAL_ENTRY
- */
-#define HWM_GET_CURR_TXD(smc,queue) (struct s_smt_fp_txd volatile *)\
- (smc)->hw.fp.tx_q[queue].tx_curr_put
-
-/*
- * BEGIN_MANUAL_ENTRY(HWM_GET_RX_FRAG_LEN)
- * int HWM_GET_RX_FRAG_LEN(rxd)
- *
- * function MACRO (hardware module, hwmtm.h)
- * This macro may be invoked by the OS-specific module to read
- * the fragment length of the specified RxD
- *
- * para rxd pointer to the RxD
- *
- * return the length of the fragment in bytes
- *
- * END_MANUAL_ENTRY
- */
-#define HWM_GET_RX_FRAG_LEN(rxd) ((int)AIX_REVERSE((rxd)->rxd_rbctrl)& \
- RD_LENGTH)
-
-/*
- * BEGIN_MANUAL_ENTRY(HWM_GET_RX_PHYS)
- * u_long HWM_GET_RX_PHYS(rxd)
- *
- * function MACRO (hardware module, hwmtm.h)
- * This macro may be invoked by the OS-specific module to read
- * the physical address of the specified RxD.
- *
- * para rxd pointer to the RxD
- *
- * return the RxD's physical pointer to the data fragment
- *
- * END_MANUAL_ENTRY
- */
-#define HWM_GET_RX_PHYS(rxd) (u_long)AIX_REVERSE((rxd)->rxd_rbadr)
-
-/*
- * BEGIN_MANUAL_ENTRY(HWM_GET_RX_USED)
- * int HWM_GET_RX_USED(smc)
- *
- * function MACRO (hardware module, hwmtm.h)
- * This macro may be invoked by the OS-specific module to get
- * the count of used RXDs in receive queue 1.
- *
- * return the used RXD count of receive queue 1
- *
- * NOTE: Remember, because of an ASIC bug at least one RXD should be unused
- * in the descriptor ring !
- *
- * END_MANUAL_ENTRY
- */
-#define HWM_GET_RX_USED(smc) ((int)(smc)->hw.fp.rx_q[QUEUE_R1].rx_used)
-
-/*
- * BEGIN_MANUAL_ENTRY(HWM_GET_RX_FREE)
- * int HWM_GET_RX_FREE(smc)
- *
- * function MACRO (hardware module, hwmtm.h)
- * This macro may be invoked by the OS-specific module to get
- * the rxd_free count of receive queue 1.
- *
- * return the rxd_free count of receive queue 1
- *
- * END_MANUAL_ENTRY
- */
-#define HWM_GET_RX_FREE(smc) ((int)(smc)->hw.fp.rx_q[QUEUE_R1].rx_free-1)
-
-/*
- * BEGIN_MANUAL_ENTRY(HWM_GET_CURR_RXD)
- * rxd *HWM_GET_CURR_RXD(smc)
- *
- * function MACRO (hardware module, hwmtm.h)
- * This macro may be invoked by the OS-specific module to get the
- * pointer to the RxD which points to the current queue put
- * position.
- *
- * return pointer to the current RxD
- *
- * END_MANUAL_ENTRY
- */
-#define HWM_GET_CURR_RXD(smc) (struct s_smt_fp_rxd volatile *)\
- (smc)->hw.fp.rx_q[QUEUE_R1].rx_curr_put
-
-/*
- * BEGIN_MANUAL_ENTRY(HWM_RX_CHECK)
- * void HWM_RX_CHECK(smc,low_water)
- *
- * function MACRO (hardware module, hwmtm.h)
- * This macro is invoked by the OS-specific before it left the
- * function mac_drv_rx_complete. This macro calls mac_drv_fill_rxd
- * if the number of used RxDs is equal or lower than the
- * the given low water mark.
- *
- * para low_water low water mark of used RxD's
- *
- * END_MANUAL_ENTRY
- */
-#ifndef HWM_NO_FLOW_CTL
-#define HWM_RX_CHECK(smc,low_water) {\
- if ((low_water) >= (smc)->hw.fp.rx_q[QUEUE_R1].rx_used) {\
- mac_drv_fill_rxd(smc) ;\
- }\
-}
-#else
-#define HWM_RX_CHECK(smc,low_water) mac_drv_fill_rxd(smc)
-#endif
-
-#ifndef HWM_EBASE
-#define HWM_EBASE 500
-#endif
-
-#define HWM_E0001 HWM_EBASE + 1
-#define HWM_E0001_MSG "HWM: Wrong size of s_rxd_os struct"
-#define HWM_E0002 HWM_EBASE + 2
-#define HWM_E0002_MSG "HWM: Wrong size of s_txd_os struct"
-#define HWM_E0003 HWM_EBASE + 3
-#define HWM_E0003_MSG "HWM: smt_free_mbuf() called with NULL pointer"
-#define HWM_E0004 HWM_EBASE + 4
-#define HWM_E0004_MSG "HWM: Parity error rx queue 1"
-#define HWM_E0005 HWM_EBASE + 5
-#define HWM_E0005_MSG "HWM: Encoding error rx queue 1"
-#define HWM_E0006 HWM_EBASE + 6
-#define HWM_E0006_MSG "HWM: Encoding error async tx queue"
-#define HWM_E0007 HWM_EBASE + 7
-#define HWM_E0007_MSG "HWM: Encoding error sync tx queue"
-#define HWM_E0008 HWM_EBASE + 8
-#define HWM_E0008_MSG ""
-#define HWM_E0009 HWM_EBASE + 9
-#define HWM_E0009_MSG "HWM: Out of RxD condition detected"
-#define HWM_E0010 HWM_EBASE + 10
-#define HWM_E0010_MSG "HWM: A protocol layer has tried to send a frame with an invalid frame control"
-#define HWM_E0011 HWM_EBASE + 11
-#define HWM_E0011_MSG "HWM: mac_drv_clear_tx_queue was called although the hardware wasn't stopped"
-#define HWM_E0012 HWM_EBASE + 12
-#define HWM_E0012_MSG "HWM: mac_drv_clear_rx_queue was called although the hardware wasn't stopped"
-#define HWM_E0013 HWM_EBASE + 13
-#define HWM_E0013_MSG "HWM: mac_drv_repair_descr was called although the hardware wasn't stopped"
-
-#endif
projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / blobdiff