/* SPDX-License-Identifier: GPL-2.0-or-later */ /****************************************************************************** * * (C)Copyright 1998,1999 SysKonnect, * a business unit of Schneider & Koch & Co. Datensysteme GmbH. * * The information in this file is provided "AS IS" without warranty. * ******************************************************************************/ #ifndef _HWM_ #define _HWM_ #include "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 … #define RX_DISABLE_PASS_SMT … #define RX_ENABLE_PASS_NSA … #define RX_DISABLE_PASS_NSA … #define RX_ENABLE_PASS_DB … #define RX_DISABLE_PASS_DB … #define RX_DISABLE_PASS_ALL … #define RX_DISABLE_LLC_PROMISC … #define RX_ENABLE_LLC_PROMISC … #ifndef DMA_RD #define DMA_RD … #endif #ifndef DMA_WR #define DMA_WR … #endif #define SMT_BUF … /* * bits of the frame status byte */ #define EN_IRQ_EOF … #define LOC_TX … #define LAST_FRAG … #define FIRST_FRAG … #define LAN_TX … #define RING_DOWN … #define OUT_OF_TXD … #ifndef NULL #define NULL … #endif #define C_INDIC … #define A_INDIC … #define RD_FS_LOCAL … /* * DEBUG FLAGS */ #define DEBUG_SMTF … #define DEBUG_SMT … #define DEBUG_ECM … #define DEBUG_RMT … #define DEBUG_CFM … #define DEBUG_PCM … #define DEBUG_SBA … #define DEBUG_ESS … #define DB_HWM_RX … #define DB_HWM_TX … #define DB_HWM_GEN … struct s_mbuf_pool { … } ; struct hwm_r { … } ; struct hw_modul { … } ; /* * 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 … #else #define DB_P … #endif #define DB_RX … #define DB_TX … #define DB_GEN … #else /* DEBUG */ #define DB_RX(lev, fmt, ...) … #define DB_TX(lev, fmt, ...) … #define DB_GEN(lev, fmt, ...) … #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) … /* * 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) … /* * 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) … /* * 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) … /* * 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) … /* * 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) … /* * 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) … /* * 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) … /* * 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) … /* * 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 * 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) … #else #define HWM_RX_CHECK … #endif #ifndef HWM_EBASE #define HWM_EBASE … #endif #define HWM_E0001 … #define HWM_E0001_MSG … #define HWM_E0002 … #define HWM_E0002_MSG … #define HWM_E0003 … #define HWM_E0003_MSG … #define HWM_E0004 … #define HWM_E0004_MSG … #define HWM_E0005 … #define HWM_E0005_MSG … #define HWM_E0006 … #define HWM_E0006_MSG … #define HWM_E0007 … #define HWM_E0007_MSG … #define HWM_E0008 … #define HWM_E0008_MSG … #define HWM_E0009 … #define HWM_E0009_MSG … #define HWM_E0010 … #define HWM_E0010_MSG … #define HWM_E0011 … #define HWM_E0011_MSG … #define HWM_E0012 … #define HWM_E0012_MSG … #define HWM_E0013 … #define HWM_E0013_MSG … #endif
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