/* * Solaris driver for ethernet cards based on the ADMtek Centaur * * Copyright (c) 2007 by Garrett D'Amore . * 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. * 3. Neither the name of the author nor the names of any co-contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER 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 COPYRIGHT HOLDER 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. */ /* * Copyright 2009 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #ifndef _AFEIMPL_H #define _AFEIMPL_H #ifdef _KERNEL #include /* * Compile time tunables. */ #define AFE_RXRING 128 /* number of rcv buffers */ #define AFE_TXRING 128 /* number of xmt buffers */ #define AFE_TXRECLAIM 8 /* when to reclaim tx buffers (txavail) */ #define AFE_TXRESCHED 120 /* when to resched (txavail) */ #define AFE_WDOGTIMER 5000 /* how often we check for tx hang (in msec) */ #define AFE_HEADROOM 34 /* headroom in packet (should be 2 modulo 4) */ /* * Constants, do not change. */ #define AFE_BUFSZ (1664) /* big enough for a vlan frame */ #define AFE_MCHASH (64) typedef struct afe afe_t; typedef struct afe_card afe_card_t; typedef struct afe_rxbuf afe_rxbuf_t; typedef struct afe_txbuf afe_txbuf_t; typedef struct afe_desc afe_desc_t; /* * Card models. */ typedef enum { MODEL_CENTAUR = 1, MODEL_COMET, } afe_model_t; struct afe_card { uint16_t card_venid; /* PCI vendor id */ uint16_t card_devid; /* PCI device id */ char *card_cardname; /* Description of the card */ afe_model_t card_model; /* Card specific flags */ }; /* * Device instance structure, one per PCI card. */ struct afe { dev_info_t *afe_dip; mac_handle_t afe_mh; mii_handle_t afe_mii; afe_card_t *afe_cardp; uint16_t afe_cachesize; uint8_t afe_sromwidth; int afe_flags; kmutex_t afe_xmtlock; kmutex_t afe_intrlock; ddi_iblock_cookie_t afe_icookie; /* * Register and DMA access. */ uintptr_t afe_regs; ddi_acc_handle_t afe_regshandle; /* * Receive descriptors. */ int afe_rxhead; struct afe_desc *afe_rxdescp; ddi_dma_handle_t afe_rxdesc_dmah; ddi_acc_handle_t afe_rxdesc_acch; uint32_t afe_rxdesc_paddr; struct afe_rxbuf **afe_rxbufs; /* * Transmit descriptors. */ int afe_txreclaim; int afe_txsend; int afe_txavail; struct afe_desc *afe_txdescp; ddi_dma_handle_t afe_txdesc_dmah; ddi_acc_handle_t afe_txdesc_acch; uint32_t afe_txdesc_paddr; struct afe_txbuf **afe_txbufs; hrtime_t afe_txstall_time; boolean_t afe_wantw; /* * Transceiver stuff. */ int afe_phyaddr; int afe_phyid; int afe_phyinuse; int afe_forcefiber; /* * Address management. */ uchar_t afe_curraddr[ETHERADDRL]; boolean_t afe_promisc; uint16_t afe_mccount[AFE_MCHASH]; uint32_t afe_mctab[AFE_MCHASH / 32]; /* Centaur */ /* * Kstats. */ kstat_t *afe_intrstat; uint64_t afe_ipackets; uint64_t afe_opackets; uint64_t afe_rbytes; uint64_t afe_obytes; uint64_t afe_brdcstxmt; uint64_t afe_multixmt; uint64_t afe_brdcstrcv; uint64_t afe_multircv; unsigned afe_norcvbuf; unsigned afe_errrcv; unsigned afe_errxmt; unsigned afe_missed; unsigned afe_underflow; unsigned afe_overflow; unsigned afe_align_errors; unsigned afe_fcs_errors; unsigned afe_carrier_errors; unsigned afe_collisions; unsigned afe_ex_collisions; unsigned afe_tx_late_collisions; unsigned afe_defer_xmts; unsigned afe_first_collisions; unsigned afe_multi_collisions; unsigned afe_sqe_errors; unsigned afe_macxmt_errors; unsigned afe_macrcv_errors; unsigned afe_toolong_errors; unsigned afe_runt; unsigned afe_jabber; }; struct afe_rxbuf { caddr_t rxb_buf; ddi_dma_handle_t rxb_dmah; ddi_acc_handle_t rxb_acch; uint32_t rxb_paddr; }; struct afe_txbuf { caddr_t txb_buf; uint32_t txb_paddr; ddi_dma_handle_t txb_dmah; ddi_acc_handle_t txb_acch; }; /* * Descriptor. We use rings rather than chains. */ struct afe_desc { unsigned desc_status; unsigned desc_control; unsigned desc_buffer1; unsigned desc_buffer2; }; #define PUTTXDESC(afep, member, val) \ ddi_put32(afep->afe_txdesc_acch, &member, val) #define PUTRXDESC(afep, member, val) \ ddi_put32(afep->afe_rxdesc_acch, &member, val) #define GETTXDESC(afep, member) \ ddi_get32(afep->afe_txdesc_acch, &member) #define GETRXDESC(afep, member) \ ddi_get32(afep->afe_rxdesc_acch, &member) /* * Receive descriptor fields. */ #define RXSTAT_OWN 0x80000000U /* ownership */ #define RXSTAT_RXLEN 0x3FFF0000U /* frame length, incl. crc */ #define RXSTAT_RXERR 0x00008000U /* error summary */ #define RXSTAT_DESCERR 0x00004000U /* descriptor error */ #define RXSTAT_RXTYPE 0x00003000U /* data type */ #define RXSTAT_RUNT 0x00000800U /* runt frame */ #define RXSTAT_GROUP 0x00000400U /* multicast/brdcast frame */ #define RXSTAT_FIRST 0x00000200U /* first descriptor */ #define RXSTAT_LAST 0x00000100U /* last descriptor */ #define RXSTAT_TOOLONG 0x00000080U /* frame too long */ #define RXSTAT_COLLSEEN 0x00000040U /* late collision seen */ #define RXSTAT_FRTYPE 0x00000020U /* frame type */ #define RXSTAT_WATCHDOG 0x00000010U /* receive watchdog */ #define RXSTAT_DRIBBLE 0x00000004U /* dribbling bit */ #define RXSTAT_CRCERR 0x00000002U /* crc error */ #define RXSTAT_OFLOW 0x00000001U /* fifo overflow */ #define RXSTAT_ERRS (RXSTAT_DESCERR | RXSTAT_RUNT | \ RXSTAT_COLLSEEN | RXSTAT_DRIBBLE | \ RXSTAT_CRCERR | RXSTAT_OFLOW) #define RXLENGTH(x) ((x & RXSTAT_RXLEN) >> 16) #define RXCTL_ENDRING 0x02000000U /* end of ring */ #define RXCTL_CHAIN 0x01000000U /* chained descriptors */ #define RXCTL_BUFLEN2 0x003FF800U /* buffer 2 length */ #define RXCTL_BUFLEN1 0x000007FFU /* buffer 1 length */ /* * Transmit descriptor fields. */ #define TXSTAT_OWN 0x80000000U /* ownership */ #define TXSTAT_URCNT 0x00C00000U /* underrun count */ #define TXSTAT_TXERR 0x00008000U /* error summary */ #define TXSTAT_JABBER 0x00004000U /* jabber timeout */ #define TXSTAT_CARRLOST 0x00000800U /* lost carrier */ #define TXSTAT_NOCARR 0x00000400U /* no carrier */ #define TXSTAT_LATECOL 0x00000200U /* late collision */ #define TXSTAT_EXCOLL 0x00000100U /* excessive collisions */ #define TXSTAT_SQE 0x00000080U /* heartbeat failure */ #define TXSTAT_COLLCNT 0x00000078U /* collision count */ #define TXSTAT_UFLOW 0x00000002U /* underflow */ #define TXSTAT_DEFER 0x00000001U /* deferred */ #define TXCOLLCNT(x) ((x & TXSTAT_COLLCNT) >> 3) #define TXUFLOWCNT(x) ((x & TXSTAT_URCNT) >> 22) #define TXCTL_INTCMPLTE 0x80000000U /* interrupt completed */ #define TXCTL_LAST 0x40000000U /* last descriptor */ #define TXCTL_FIRST 0x20000000U /* first descriptor */ #define TXCTL_NOCRC 0x04000000U /* disable crc */ #define TXCTL_ENDRING 0x02000000U /* end of ring */ #define TXCTL_CHAIN 0x01000000U /* chained descriptors */ #define TXCTL_NOPAD 0x00800000U /* disable padding */ #define TXCTL_HASHPERF 0x00400000U /* hash perfect mode */ #define TXCTL_BUFLEN2 0x003FF800U /* buffer length 2 */ #define TXCTL_BUFLEN1 0x000007FFU /* buffer length 1 */ /* * Interface flags. */ #define AFE_RUNNING 0x1 /* chip is initialized */ #define AFE_SUSPENDED 0x2 /* interface is suspended */ #define AFE_HASFIBER 0x4 /* internal phy supports fiber (AFE_PHY_MCR) */ #define AFE_MODEL(afep) ((afep)->afe_cardp->card_model) /* * Register definitions located in afe.h exported header file. */ /* * Macros to simplify hardware access. */ #define GETCSR(afep, reg) \ ddi_get32(afep->afe_regshandle, (uint32_t *)(afep->afe_regs + reg)) #define GETCSR16(afep, reg) \ ddi_get16(afep->afe_regshandle, (uint16_t *)(afep->afe_regs + reg)) #define PUTCSR(afep, reg, val) \ ddi_put32(afep->afe_regshandle, (uint32_t *)(afep->afe_regs + reg), val) #define PUTCSR16(afep, reg, val) \ ddi_put16(afep->afe_regshandle, (uint16_t *)(afep->afe_regs + reg), val) #define SETBIT(afep, reg, val) PUTCSR(afep, reg, GETCSR(afep, reg) | (val)) #define CLRBIT(afep, reg, val) PUTCSR(afep, reg, GETCSR(afep, reg) & ~(val)) #define SYNCTXDESC(afep, index, who) \ (void) ddi_dma_sync(afep->afe_txdesc_dmah, \ (index * sizeof (afe_desc_t)), sizeof (afe_desc_t), who) #define SYNCTXBUF(txb, len, who) \ (void) ddi_dma_sync(txb->txb_dmah, 0, len, who) #define SYNCRXDESC(afep, index, who) \ (void) ddi_dma_sync(afep->afe_rxdesc_dmah, \ (index * sizeof (afe_desc_t)), sizeof (afe_desc_t), who) #define SYNCRXBUF(rxb, len, who) \ (void) ddi_dma_sync(rxb->rxb_dmah, 0, len, who) #endif /* _KERNEL */ #endif /* _AFEIMPL_H */