/* $OpenBSD: if_txvar.h,v 1.7 1999/11/17 05:21:19 jason Exp $ */ /* $FreeBSD$ */ /*- * Copyright (c) 1997 Semen Ustimenko * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ /* * Configuration */ /*#define EPIC_DEBUG 1*/ /*#define EPIC_USEIOSPACE 1*/ #define EARLY_RX 1 #ifndef ETHER_MAX_LEN #define ETHER_MAX_LEN 1518 #endif #ifndef ETHER_MIN_LEN #define ETHER_MIN_LEN 64 #endif #ifndef ETHER_CRC_LEN #define ETHER_CRC_LEN 4 #endif #define TX_RING_SIZE 16 /* Leave this a power of 2 */ #define RX_RING_SIZE 16 /* And this too, to do not */ /* confuse RX(TX)_RING_MASK */ #define TX_RING_MASK (TX_RING_SIZE - 1) #define RX_RING_MASK (RX_RING_SIZE - 1) #define ETHER_MAX_FRAME_LEN (ETHER_MAX_LEN + ETHER_CRC_LEN) /* PCI aux configuration registers */ #if defined(__FreeBSD__) #define PCIR_BASEIO (PCIR_MAPS + 0x0) /* Base IO Address */ #define PCIR_BASEMEM (PCIR_MAPS + 0x4) /* Base Memory Address */ #else /* __OpenBSD__ */ #define PCI_BASEIO (PCI_MAPS + 0x0) /* Base IO Address */ #define PCI_BASEMEM (PCI_MAPS + 0x4) /* Base Memory Address */ #endif /* __FreeBSD__ */ /* PCI identification */ #define SMC_VENDORID 0x10B8 #define SMC_DEVICEID_83C170 0x0005 /* EPIC's registers */ #define COMMAND 0x0000 #define INTSTAT 0x0004 /* Interrupt status. See below */ #define INTMASK 0x0008 /* Interrupt mask. See below */ #define GENCTL 0x000C #define NVCTL 0x0010 #define EECTL 0x0014 /* EEPROM control **/ #define TEST1 0x001C /* XXXXX */ #define CRCCNT 0x0020 /* CRC error counter */ #define ALICNT 0x0024 /* FrameTooLang error counter */ #define MPCNT 0x0028 /* MissedFrames error counters */ #define MIICTL 0x0030 #define MIIDATA 0x0034 #define MIICFG 0x0038 #define IPG 0x003C #define LAN0 0x0040 /* MAC address */ #define LAN1 0x0044 /* MAC address */ #define LAN2 0x0048 /* MAC address */ #define ID_CHK 0x004C #define MC0 0x0050 /* Multicast filter table */ #define MC1 0x0054 /* Multicast filter table */ #define MC2 0x0058 /* Multicast filter table */ #define MC3 0x005C /* Multicast filter table */ #define RXCON 0x0060 /* Rx control register */ #define TXCON 0x0070 /* Tx control register */ #define TXSTAT 0x0074 #define PRCDAR 0x0084 /* RxRing bus address */ #define PRSTAT 0x00A4 #define PRCPTHR 0x00B0 #define PTCDAR 0x00C4 /* TxRing bus address */ #define ETXTHR 0x00DC #define COMMAND_STOP_RX 0x01 #define COMMAND_START_RX 0x02 #define COMMAND_TXQUEUED 0x04 #define COMMAND_RXQUEUED 0x08 #define COMMAND_NEXTFRAME 0x10 #define COMMAND_STOP_TDMA 0x20 #define COMMAND_STOP_RDMA 0x40 #define COMMAND_TXUGO 0x80 /* Interrupt register bits */ #define INTSTAT_RCC 0x00000001 #define INTSTAT_HCC 0x00000002 #define INTSTAT_RQE 0x00000004 #define INTSTAT_OVW 0x00000008 #define INTSTAT_RXE 0x00000010 #define INTSTAT_TXC 0x00000020 #define INTSTAT_TCC 0x00000040 #define INTSTAT_TQE 0x00000080 #define INTSTAT_TXU 0x00000100 #define INTSTAT_CNT 0x00000200 #define INTSTAT_PREI 0x00000400 #define INTSTAT_RCT 0x00000800 #define INTSTAT_FATAL 0x00001000 /* One of DPE,APE,PMA,PTA happend */ #define INTSTAT_UNUSED1 0x00002000 #define INTSTAT_UNUSED2 0x00004000 #define INTSTAT_GP2 0x00008000 /* PHY Event */ #define INTSTAT_INT_ACTV 0x00010000 #define INTSTAT_RXIDLE 0x00020000 #define INTSTAT_TXIDLE 0x00040000 #define INTSTAT_RCIP 0x00080000 #define INTSTAT_TCIP 0x00100000 #define INTSTAT_RBE 0x00200000 #define INTSTAT_RCTS 0x00400000 #define INTSTAT_RSV 0x00800000 #define INTSTAT_DPE 0x01000000 /* PCI Fatal error */ #define INTSTAT_APE 0x02000000 /* PCI Fatal error */ #define INTSTAT_PMA 0x04000000 /* PCI Fatal error */ #define INTSTAT_PTA 0x08000000 /* PCI Fatal error */ #define GENCTL_SOFT_RESET 0x00000001 #define GENCTL_ENABLE_INTERRUPT 0x00000002 #define GENCTL_SOFTWARE_INTERRUPT 0x00000004 #define GENCTL_POWER_DOWN 0x00000008 #define GENCTL_ONECOPY 0x00000010 #define GENCTL_BIG_ENDIAN 0x00000020 #define GENCTL_RECEIVE_DMA_PRIORITY 0x00000040 #define GENCTL_TRANSMIT_DMA_PRIORITY 0x00000080 #define GENCTL_RECEIVE_FIFO_THRESHOLD128 0x00000300 #define GENCTL_RECEIVE_FIFO_THRESHOLD96 0x00000200 #define GENCTL_RECEIVE_FIFO_THRESHOLD64 0x00000100 #define GENCTL_RECEIVE_FIFO_THRESHOLD32 0x00000000 #define GENCTL_MEMORY_READ_LINE 0x00000400 #define GENCTL_MEMORY_READ_MULTIPLE 0x00000800 #define GENCTL_SOFTWARE1 0x00001000 #define GENCTL_SOFTWARE2 0x00002000 #define GENCTL_RESET_PHY 0x00004000 #define NVCTL_ENABLE_MEMORY_MAP 0x00000001 #define NVCTL_CLOCK_RUN_SUPPORTED 0x00000002 #define NVCTL_GP1_OUTPUT_ENABLE 0x00000004 #define NVCTL_GP2_OUTPUT_ENABLE 0x00000008 #define NVCTL_GP1 0x00000010 #define NVCTL_GP2 0x00000020 #define NVCTL_CARDBUS_MODE 0x00000040 #define NVCTL_IPG_DELAY_MASK(x) ((x&0xF)<<7) #define RXCON_SAVE_ERRORED_PACKETS 0x00000001 #define RXCON_RECEIVE_RUNT_FRAMES 0x00000002 #define RXCON_RECEIVE_BROADCAST_FRAMES 0x00000004 #define RXCON_RECEIVE_MULTICAST_FRAMES 0x00000008 #define RXCON_RECEIVE_INVERSE_INDIVIDUAL_ADDRESS_FRAMES 0x00000010 #define RXCON_PROMISCUOUS_MODE 0x00000020 #define RXCON_MONITOR_MODE 0x00000040 #define RXCON_EARLY_RECEIVE_ENABLE 0x00000080 #define RXCON_EXTERNAL_BUFFER_DISABLE 0x00000000 #define RXCON_EXTERNAL_BUFFER_16K 0x00000100 #define RXCON_EXTERNAL_BUFFER_32K 0x00000200 #define RXCON_EXTERNAL_BUFFER_128K 0x00000300 #define TXCON_EARLY_TRANSMIT_ENABLE 0x00000001 #define TXCON_LOOPBACK_DISABLE 0x00000000 #define TXCON_LOOPBACK_MODE_INT 0x00000002 #define TXCON_LOOPBACK_MODE_PHY 0x00000004 #define TXCON_LOOPBACK_MODE 0x00000006 #define TXCON_FULL_DUPLEX 0x00000006 #define TXCON_SLOT_TIME 0x00000078 #define MIICFG_SERIAL_ENABLE 0x00000001 #define MIICFG_694_ENABLE 0x00000002 #define MIICFG_694_STATUS 0x00000004 #define MIICFG_PHY_PRESENT 0x00000008 #define MIICFG_SMI_ENABLE 0x00000010 #define TEST1_CLOCK_TEST 0x00000008 /* * Some default values */ #define TXCON_DEFAULT (TXCON_SLOT_TIME | TXCON_EARLY_TRANSMIT_ENABLE) #define TRANSMIT_THRESHOLD 0x300 #if defined(EARLY_RX) #define RXCON_EARLY (RXCON_EARLY_RECEIVE_ENABLE | \ RXCON_SAVE_ERRORED_PACKETS) #else #define RXCON_EARLY (0) #endif #define RXCON_DEFAULT (RXCON_EARLY | \ RXCON_RECEIVE_MULTICAST_FRAMES | \ RXCON_RECEIVE_BROADCAST_FRAMES) /* * Structures definition and Functions prototypes */ /* EPIC's hardware descriptors, must be aligned on dword in memory */ /* NB: to make driver happy, this two structures MUST have thier sizes */ /* be divisor of PAGE_SIZE */ struct epic_tx_desc { volatile u_int16_t status; volatile u_int16_t txlength; volatile u_int32_t bufaddr; volatile u_int16_t buflength; volatile u_int16_t control; volatile u_int32_t next; }; struct epic_rx_desc { volatile u_int16_t status; volatile u_int16_t rxlength; volatile u_int32_t bufaddr; volatile u_int32_t buflength; volatile u_int32_t next; }; /* This structure defines EPIC's fragment list, maximum number of frags */ /* is 63. Let use maximum, becouse size of struct MUST be divisor of */ /* PAGE_SIZE, and sometimes come mbufs with more then 30 frags */ #define EPIC_MAX_FRAGS 63 struct epic_frag_list { volatile u_int32_t numfrags; struct { volatile u_int32_t fragaddr; volatile u_int32_t fraglen; } frag[EPIC_MAX_FRAGS]; volatile u_int32_t pad; /* align on 256 bytes */ }; /* This is driver's structure to define EPIC descriptors */ struct epic_rx_buffer { struct mbuf * mbuf; /* mbuf receiving packet */ }; struct epic_tx_buffer { struct mbuf * mbuf; /* mbuf contained packet */ }; /* * NB: ALIGN OF ABOVE STRUCTURES * epic_rx_desc, epic_tx_desc, epic_frag_list - must be aligned on dword */ /* Driver status structure */ typedef struct { struct arpcom arpcom; #if defined(__OpenBSD__) mii_data_t sc_mii; struct device dev; #else /* __FreeBSD__ */ struct resource *res; struct resource *irq; device_t miibus; device_t dev; struct callout_handle stat_ch; u_int32_t unit; #endif void *sc_ih; bus_space_tag_t sc_st; bus_space_handle_t sc_sh; struct epic_rx_buffer rx_buffer[RX_RING_SIZE]; struct epic_tx_buffer tx_buffer[TX_RING_SIZE]; /* Each element of array MUST be aligned on dword */ /* and bounded on PAGE_SIZE */ struct epic_rx_desc *rx_desc; struct epic_tx_desc *tx_desc; struct epic_frag_list *tx_flist; u_int32_t flags; u_int32_t tx_threshold; u_int32_t txcon; u_int32_t phyid; u_int32_t cur_tx; u_int32_t cur_rx; u_int32_t dirty_tx; u_int32_t pending_txs; void *pool; } epic_softc_t; struct epic_type { u_int16_t ven_id; u_int16_t dev_id; char *name; }; #if defined(EPIC_DEBUG) #define dprintf(a) printf a #else #define dprintf(a) #endif #if defined(__FreeBSD__) #define EPIC_FORMAT "tx%d" #define EPIC_ARGS(sc) (sc->unit) #define EPIC_BPFTAP_ARG(ifp) ifp #else /* __OpenBSD__ */ #define EPIC_FORMAT "%s" #define EPIC_ARGS(sc) (sc->sc_dev.dv_xname) #define EPIC_BPFTAP_ARG(ifp) (ifp)->if_bpf #endif #define sc_if arpcom.ac_if #define sc_macaddr arpcom.ac_enaddr #define CSR_WRITE_4(sc,reg,val) \ bus_space_write_4( (sc)->sc_st, (sc)->sc_sh, (reg), (val) ) #define CSR_WRITE_2(sc,reg,val) \ bus_space_write_2( (sc)->sc_st, (sc)->sc_sh, (reg), (val) ) #define CSR_WRITE_1(sc,reg,val) \ bus_space_write_1( (sc)->sc_st, (sc)->sc_sh, (reg), (val) ) #define CSR_READ_4(sc,reg) \ bus_space_read_4( (sc)->sc_st, (sc)->sc_sh, (reg) ) #define CSR_READ_2(sc,reg) \ bus_space_read_2( (sc)->sc_st, (sc)->sc_sh, (reg) ) #define CSR_READ_1(sc,reg) \ bus_space_read_1( (sc)->sc_st, (sc)->sc_sh, (reg) ) #define PHY_READ_2(sc,phy,reg) \ epic_read_phy_reg((sc),(phy),(reg)) #define PHY_WRITE_2(sc,phy,reg,val) \ epic_write_phy_reg((sc),(phy),(reg),(val)) /* Macro to get either mbuf cluster or nothing */ #define EPIC_MGETCLUSTER(m) \ { MGETHDR((m),M_DONTWAIT,MT_DATA); \ if (m) { \ MCLGET((m),M_DONTWAIT); \ if( 0 == ((m)->m_flags & M_EXT) ) { \ m_freem(m); \ (m) = NULL; \ } \ } \ }