/*- * SPDX-License-Identifier: BSD-4-Clause * * Copyright (c) 1997, 1998, 1999 * Bill Paul . 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. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Bill Paul. * 4. 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 Bill Paul 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 Bill Paul OR THE VOICES IN HIS HEAD * 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. */ /* * Sundance PCI device/vendor ID for the * ST201 chip. */ #define ST_VENDORID 0x13F0 #define ST_DEVICEID_ST201_1 0x0200 #define ST_DEVICEID_ST201_2 0x0201 /* * D-Link PCI device/vendor ID for the DL10050[AB] chip */ #define DL_VENDORID 0x1186 #define DL_DEVICEID_DL10050 0x1002 /* * Register definitions for the Sundance Technologies ST201 PCI * fast ethernet controller. The register space is 128 bytes long and * can be accessed using either PCI I/O space or PCI memory mapping. * There are 32-bit, 16-bit and 8-bit registers. */ #define STE_DMACTL 0x00 #define STE_TX_DMALIST_PTR 0x04 #define STE_TX_DMABURST_THRESH 0x08 #define STE_TX_DMAURG_THRESH 0x09 #define STE_TX_DMAPOLL_PERIOD 0x0A #define STE_RX_DMASTATUS 0x0C #define STE_RX_DMALIST_PTR 0x10 #define STE_RX_DMABURST_THRESH 0x14 #define STE_RX_DMAURG_THRESH 0x15 #define STE_RX_DMAPOLL_PERIOD 0x16 #define STE_COUNTDOWN 0x18 #define STE_DEBUGCTL 0x1A #define STE_ASICCTL 0x30 #define STE_EEPROM_DATA 0x34 #define STE_EEPROM_CTL 0x36 #define STE_FIFOCTL 0x3A #define STE_TX_STARTTHRESH 0x3C #define STE_RX_EARLYTHRESH 0x3E #define STE_EXT_ROMADDR 0x40 #define STE_EXT_ROMDATA 0x44 #define STE_WAKE_EVENT 0x45 #define STE_TX_STATUS 0x46 #define STE_TX_FRAMEID 0x47 #define STE_ISR_ACK 0x4A #define STE_IMR 0x4C #define STE_ISR 0x4E #define STE_MACCTL0 0x50 #define STE_MACCTL1 0x52 #define STE_PAR0 0x54 #define STE_PAR1 0x56 #define STE_PAR2 0x58 #define STE_MAX_FRAMELEN 0x5A #define STE_RX_MODE 0x5C #define STE_TX_RECLAIM_THRESH 0x5D #define STE_PHYCTL 0x5E #define STE_MAR0 0x60 #define STE_MAR1 0x62 #define STE_MAR2 0x64 #define STE_MAR3 0x66 #define STE_STAT_RX_OCTETS_LO 0x68 #define STE_STAT_RX_OCTETS_HI 0x6A #define STE_STAT_TX_OCTETS_LO 0x6C #define STE_STAT_TX_OCTETS_HI 0x6E #define STE_STAT_TX_FRAMES 0x70 #define STE_STAT_RX_FRAMES 0x72 #define STE_STAT_CARRIER_ERR 0x74 #define STE_STAT_LATE_COLLS 0x75 #define STE_STAT_MULTI_COLLS 0x76 #define STE_STAT_SINGLE_COLLS 0x77 #define STE_STAT_TX_DEFER 0x78 #define STE_STAT_RX_LOST 0x79 #define STE_STAT_TX_EXDEFER 0x7A #define STE_STAT_TX_ABORT 0x7B #define STE_STAT_TX_BCAST 0x7C #define STE_STAT_RX_BCAST 0x7D #define STE_STAT_TX_MCAST 0x7E #define STE_STAT_RX_MCAST 0x7F #define STE_DMACTL_RXDMA_STOPPED 0x00000001 #define STE_DMACTL_TXDMA_CMPREQ 0x00000002 #define STE_DMACTL_TXDMA_STOPPED 0x00000004 #define STE_DMACTL_RXDMA_COMPLETE 0x00000008 #define STE_DMACTL_TXDMA_COMPLETE 0x00000010 #define STE_DMACTL_RXDMA_STALL 0x00000100 #define STE_DMACTL_RXDMA_UNSTALL 0x00000200 #define STE_DMACTL_TXDMA_STALL 0x00000400 #define STE_DMACTL_TXDMA_UNSTALL 0x00000800 #define STE_DMACTL_TXDMA_INPROG 0x00004000 #define STE_DMACTL_DMA_HALTINPROG 0x00008000 #define STE_DMACTL_RXEARLY_ENABLE 0x00020000 #define STE_DMACTL_COUNTDOWN_SPEED 0x00040000 #define STE_DMACTL_COUNTDOWN_MODE 0x00080000 #define STE_DMACTL_MWI_DISABLE 0x00100000 #define STE_DMACTL_RX_DISCARD_OFLOWS 0x00400000 #define STE_DMACTL_COUNTDOWN_ENABLE 0x00800000 #define STE_DMACTL_TARGET_ABORT 0x40000000 #define STE_DMACTL_MASTER_ABORT 0x80000000 /* * TX DMA burst thresh is the number of 32-byte blocks that * must be loaded into the TX Fifo before a TXDMA burst request * will be issued. */ #define STE_TXDMABURST_THRESH 0x1F /* * The number of 32-byte blocks in the TX FIFO falls below the * TX DMA urgent threshold, a TX DMA urgent request will be * generated. */ #define STE_TXDMAURG_THRESH 0x3F /* * Number of 320ns intervals between polls of the TXDMA next * descriptor pointer (if we're using polling mode). */ #define STE_TXDMA_POLL_PERIOD 0x7F #define STE_RX_DMASTATUS_FRAMELEN 0x00001FFF #define STE_RX_DMASTATUS_RXERR 0x00004000 #define STE_RX_DMASTATUS_DMADONE 0x00008000 #define STE_RX_DMASTATUS_FIFO_OFLOW 0x00010000 #define STE_RX_DMASTATUS_RUNT 0x00020000 #define STE_RX_DMASTATUS_ALIGNERR 0x00040000 #define STE_RX_DMASTATUS_CRCERR 0x00080000 #define STE_RX_DMASTATUS_GIANT 0x00100000 #define STE_RX_DMASTATUS_DRIBBLE 0x00800000 #define STE_RX_DMASTATUS_DMA_OFLOW 0x01000000 /* * RX DMA burst thresh is the number of 32-byte blocks that * must be present in the RX FIFO before a RXDMA bus master * request will be issued. */ #define STE_RXDMABURST_THRESH 0xFF /* * The number of 32-byte blocks in the RX FIFO falls below the * RX DMA urgent threshold, a RX DMA urgent request will be * generated. */ #define STE_RXDMAURG_THRESH 0x1F /* * Number of 320ns intervals between polls of the RXDMA complete * bit in the status field on the current RX descriptor (if we're * using polling mode). */ #define STE_RXDMA_POLL_PERIOD 0x7F #define STE_DEBUGCTL_GPIO0_CTL 0x0001 #define STE_DEBUGCTL_GPIO1_CTL 0x0002 #define STE_DEBUGCTL_GPIO0_DATA 0x0004 #define STE_DEBUGCTL_GPIO1_DATA 0x0008 #define STE_ASICCTL_ROMSIZE 0x00000002 #define STE_ASICCTL_TX_LARGEPKTS 0x00000004 #define STE_ASICCTL_RX_LARGEPKTS 0x00000008 #define STE_ASICCTL_EXTROM_DISABLE 0x00000010 #define STE_ASICCTL_PHYSPEED_10 0x00000020 #define STE_ASICCTL_PHYSPEED_100 0x00000040 #define STE_ASICCTL_PHYMEDIA 0x00000080 #define STE_ASICCTL_FORCEDCONFIG 0x00000700 #define STE_ASICCTL_D3RESET_DISABLE 0x00000800 #define STE_ASICCTL_SPEEDUPMODE 0x00002000 #define STE_ASICCTL_LEDMODE 0x00004000 #define STE_ASICCTL_RSTOUT_POLARITY 0x00008000 #define STE_ASICCTL_GLOBAL_RESET 0x00010000 #define STE_ASICCTL_RX_RESET 0x00020000 #define STE_ASICCTL_TX_RESET 0x00040000 #define STE_ASICCTL_DMA_RESET 0x00080000 #define STE_ASICCTL_FIFO_RESET 0x00100000 #define STE_ASICCTL_NETWORK_RESET 0x00200000 #define STE_ASICCTL_HOST_RESET 0x00400000 #define STE_ASICCTL_AUTOINIT_RESET 0x00800000 #define STE_ASICCTL_EXTRESET_RESET 0x01000000 #define STE_ASICCTL_SOFTINTR 0x02000000 #define STE_ASICCTL_RESET_BUSY 0x04000000 #define STE_EECTL_ADDR 0x00FF #define STE_EECTL_OPCODE 0x0300 #define STE_EECTL_BUSY 0x1000 #define STE_EEOPCODE_WRITE 0x0100 #define STE_EEOPCODE_READ 0x0200 #define STE_EEOPCODE_ERASE 0x0300 #define STE_FIFOCTL_RAMTESTMODE 0x0001 #define STE_FIFOCTL_OVERRUNMODE 0x0200 #define STE_FIFOCTL_RXFIFOFULL 0x0800 #define STE_FIFOCTL_TX_BUSY 0x4000 #define STE_FIFOCTL_RX_BUSY 0x8000 /* * The number of bytes that must in present in the TX FIFO before * transmission begins. Value should be in increments of 4 bytes. */ #define STE_TXSTART_THRESH 0x1FFC /* * Number of bytes that must be present in the RX FIFO before * an RX EARLY interrupt is generated. */ #define STE_RXEARLY_THRESH 0x1FFC #define STE_WAKEEVENT_WAKEPKT_ENB 0x01 #define STE_WAKEEVENT_MAGICPKT_ENB 0x02 #define STE_WAKEEVENT_LINKEVT_ENB 0x04 #define STE_WAKEEVENT_WAKEPOLARITY 0x08 #define STE_WAKEEVENT_WAKEPKTEVENT 0x10 #define STE_WAKEEVENT_MAGICPKTEVENT 0x20 #define STE_WAKEEVENT_LINKEVENT 0x40 #define STE_WAKEEVENT_WAKEONLAN_ENB 0x80 #define STE_TXSTATUS_RECLAIMERR 0x02 #define STE_TXSTATUS_STATSOFLOW 0x04 #define STE_TXSTATUS_EXCESSCOLLS 0x08 #define STE_TXSTATUS_UNDERRUN 0x10 #define STE_TXSTATUS_TXINTR_REQ 0x40 #define STE_TXSTATUS_TXDONE 0x80 #define STE_ERR_BITS "\20" \ "\2RECLAIM\3STSOFLOW" \ "\4EXCESSCOLLS\5UNDERRUN" \ "\6INTREQ\7DONE" #define STE_ISRACK_INTLATCH 0x0001 #define STE_ISRACK_HOSTERR 0x0002 #define STE_ISRACK_TX_DONE 0x0004 #define STE_ISRACK_MACCTL_FRAME 0x0008 #define STE_ISRACK_RX_DONE 0x0010 #define STE_ISRACK_RX_EARLY 0x0020 #define STE_ISRACK_SOFTINTR 0x0040 #define STE_ISRACK_STATS_OFLOW 0x0080 #define STE_ISRACK_LINKEVENT 0x0100 #define STE_ISRACK_TX_DMADONE 0x0200 #define STE_ISRACK_RX_DMADONE 0x0400 #define STE_IMR_HOSTERR 0x0002 #define STE_IMR_TX_DONE 0x0004 #define STE_IMR_MACCTL_FRAME 0x0008 #define STE_IMR_RX_DONE 0x0010 #define STE_IMR_RX_EARLY 0x0020 #define STE_IMR_SOFTINTR 0x0040 #define STE_IMR_STATS_OFLOW 0x0080 #define STE_IMR_LINKEVENT 0x0100 #define STE_IMR_TX_DMADONE 0x0200 #define STE_IMR_RX_DMADONE 0x0400 #define STE_INTRS \ (STE_IMR_RX_DMADONE|STE_IMR_TX_DMADONE| \ STE_IMR_TX_DONE|STE_IMR_SOFTINTR| \ STE_IMR_HOSTERR) #define STE_ISR_INTLATCH 0x0001 #define STE_ISR_HOSTERR 0x0002 #define STE_ISR_TX_DONE 0x0004 #define STE_ISR_MACCTL_FRAME 0x0008 #define STE_ISR_RX_DONE 0x0010 #define STE_ISR_RX_EARLY 0x0020 #define STE_ISR_SOFTINTR 0x0040 #define STE_ISR_STATS_OFLOW 0x0080 #define STE_ISR_LINKEVENT 0x0100 #define STE_ISR_TX_DMADONE 0x0200 #define STE_ISR_RX_DMADONE 0x0400 /* * Note: the Sundance manual gives the impression that the's * only one 32-bit MACCTL register. In fact, there are two * 16-bit registers side by side, and you have to access them * separately. */ #define STE_MACCTL0_IPG 0x0003 #define STE_MACCTL0_FULLDUPLEX 0x0020 #define STE_MACCTL0_RX_GIANTS 0x0040 #define STE_MACCTL0_FLOWCTL_ENABLE 0x0100 #define STE_MACCTL0_RX_FCS 0x0200 #define STE_MACCTL0_FIFOLOOPBK 0x0400 #define STE_MACCTL0_MACLOOPBK 0x0800 #define STE_MACCTL1_COLLDETECT 0x0001 #define STE_MACCTL1_CARRSENSE 0x0002 #define STE_MACCTL1_TX_BUSY 0x0004 #define STE_MACCTL1_TX_ERROR 0x0008 #define STE_MACCTL1_STATS_ENABLE 0x0020 #define STE_MACCTL1_STATS_DISABLE 0x0040 #define STE_MACCTL1_STATS_ENABLED 0x0080 #define STE_MACCTL1_TX_ENABLE 0x0100 #define STE_MACCTL1_TX_DISABLE 0x0200 #define STE_MACCTL1_TX_ENABLED 0x0400 #define STE_MACCTL1_RX_ENABLE 0x0800 #define STE_MACCTL1_RX_DISABLE 0x1000 #define STE_MACCTL1_RX_ENABLED 0x2000 #define STE_MACCTL1_PAUSED 0x4000 #define STE_IPG_96BT 0x00000000 #define STE_IPG_128BT 0x00000001 #define STE_IPG_224BT 0x00000002 #define STE_IPG_544BT 0x00000003 #define STE_RXMODE_UNICAST 0x01 #define STE_RXMODE_ALLMULTI 0x02 #define STE_RXMODE_BROADCAST 0x04 #define STE_RXMODE_PROMISC 0x08 #define STE_RXMODE_MULTIHASH 0x10 #define STE_RXMODE_ALLIPMULTI 0x20 #define STE_PHYCTL_MCLK 0x01 #define STE_PHYCTL_MDATA 0x02 #define STE_PHYCTL_MDIR 0x04 #define STE_PHYCTL_CLK25_DISABLE 0x08 #define STE_PHYCTL_DUPLEXPOLARITY 0x10 #define STE_PHYCTL_DUPLEXSTAT 0x20 #define STE_PHYCTL_SPEEDSTAT 0x40 #define STE_PHYCTL_LINKSTAT 0x80 #define STE_TIMER_TICKS 32 #define STE_TIMER_USECS(x) ((x * 10) / STE_TIMER_TICKS) #define STE_IM_RX_TIMER_MIN 0 #define STE_IM_RX_TIMER_MAX 209712 #define STE_IM_RX_TIMER_DEFAULT 150 /* * EEPROM offsets. */ #define STE_EEADDR_CONFIGPARM 0x00 #define STE_EEADDR_ASICCTL 0x02 #define STE_EEADDR_SUBSYS_ID 0x04 #define STE_EEADDR_SUBVEN_ID 0x08 #define STE_EEADDR_NODE0 0x10 #define STE_EEADDR_NODE1 0x12 #define STE_EEADDR_NODE2 0x14 /* PCI registers */ #define STE_PCI_VENDOR_ID 0x00 #define STE_PCI_DEVICE_ID 0x02 #define STE_PCI_COMMAND 0x04 #define STE_PCI_STATUS 0x06 #define STE_PCI_CLASSCODE 0x09 #define STE_PCI_LATENCY_TIMER 0x0D #define STE_PCI_HEADER_TYPE 0x0E #define STE_PCI_LOIO 0x10 #define STE_PCI_LOMEM 0x14 #define STE_PCI_BIOSROM 0x30 #define STE_PCI_INTLINE 0x3C #define STE_PCI_INTPIN 0x3D #define STE_PCI_MINGNT 0x3E #define STE_PCI_MINLAT 0x0F #define STE_PCI_CAPID 0x50 /* 8 bits */ #define STE_PCI_NEXTPTR 0x51 /* 8 bits */ #define STE_PCI_PWRMGMTCAP 0x52 /* 16 bits */ #define STE_PCI_PWRMGMTCTRL 0x54 /* 16 bits */ #define STE_PSTATE_MASK 0x0003 #define STE_PSTATE_D0 0x0000 #define STE_PSTATE_D1 0x0002 #define STE_PSTATE_D2 0x0002 #define STE_PSTATE_D3 0x0003 #define STE_PME_EN 0x0010 #define STE_PME_STATUS 0x8000 struct ste_hw_stats { uint64_t rx_bytes; uint32_t rx_frames; uint32_t rx_bcast_frames; uint32_t rx_mcast_frames; uint32_t rx_lost_frames; uint64_t tx_bytes; uint32_t tx_frames; uint32_t tx_bcast_frames; uint32_t tx_mcast_frames; uint32_t tx_carrsense_errs; uint32_t tx_single_colls; uint32_t tx_multi_colls; uint32_t tx_late_colls; uint32_t tx_frames_defered; uint32_t tx_excess_defers; uint32_t tx_abort; }; struct ste_frag { uint32_t ste_addr; uint32_t ste_len; }; #define STE_FRAG_LAST 0x80000000 #define STE_FRAG_LEN 0x00001FFF /* * A TFD is 16 to 512 bytes in length which means it can have up to 126 * fragments for a single Tx frame. Since most frames used in stack have * 3-4 fragments supporting 8 fragments would be enough for normal * operation. If we encounter more than 8 fragments we'll collapse them * into a frame that has less than or equal to 8 fragments. Each buffer * address of a fragment has no alignment limitation. */ #define STE_MAXFRAGS 8 struct ste_desc { uint32_t ste_next; uint32_t ste_ctl; struct ste_frag ste_frags[STE_MAXFRAGS]; }; /* * A RFD has the same structure of TFD which in turn means hardware * supports scatter operation in Rx buffer. Since we just allocate Rx * buffer with m_getcl(9) there is no fragmentation at all so use * single fragment for RFD. */ struct ste_desc_onefrag { uint32_t ste_next; uint32_t ste_status; struct ste_frag ste_frag; }; #define STE_TXCTL_WORDALIGN 0x00000003 #define STE_TXCTL_ALIGN_DIS 0x00000001 #define STE_TXCTL_FRAMEID 0x000003FC #define STE_TXCTL_NOCRC 0x00002000 #define STE_TXCTL_TXINTR 0x00008000 #define STE_TXCTL_DMADONE 0x00010000 #define STE_TXCTL_DMAINTR 0x80000000 #define STE_RXSTAT_FRAMELEN 0x00001FFF #define STE_RXSTAT_FRAME_ERR 0x00004000 #define STE_RXSTAT_DMADONE 0x00008000 #define STE_RXSTAT_FIFO_OFLOW 0x00010000 #define STE_RXSTAT_RUNT 0x00020000 #define STE_RXSTAT_ALIGNERR 0x00040000 #define STE_RXSTAT_CRCERR 0x00080000 #define STE_RXSTAT_GIANT 0x00100000 #define STE_RXSTAT_DRIBBLEBITS 0x00800000 #define STE_RXSTAT_DMA_OFLOW 0x01000000 #define STE_RXATAT_ONEBUF 0x10000000 #define STE_RX_BYTES(x) ((x) & STE_RXSTAT_FRAMELEN) /* * register space access macros */ #define CSR_WRITE_4(sc, reg, val) \ bus_write_4((sc)->ste_res, reg, val) #define CSR_WRITE_2(sc, reg, val) \ bus_write_2((sc)->ste_res, reg, val) #define CSR_WRITE_1(sc, reg, val) \ bus_write_1((sc)->ste_res, reg, val) #define CSR_READ_4(sc, reg) \ bus_read_4((sc)->ste_res, reg) #define CSR_READ_2(sc, reg) \ bus_read_2((sc)->ste_res, reg) #define CSR_READ_1(sc, reg) \ bus_read_1((sc)->ste_res, reg) #define CSR_BARRIER(sc, reg, length, flags) \ bus_barrier((sc)->ste_res, reg, length, flags) #define STE_DESC_ALIGN 8 #define STE_RX_LIST_CNT 128 #define STE_TX_LIST_CNT 128 #define STE_RX_LIST_SZ \ (sizeof(struct ste_desc_onefrag) * STE_RX_LIST_CNT) #define STE_TX_LIST_SZ \ (sizeof(struct ste_desc) * STE_TX_LIST_CNT) #define STE_ADDR_LO(x) ((uint64_t)(x) & 0xFFFFFFFF) #define STE_ADDR_HI(x) ((uint64_t)(x) >> 32) /* * Since Tx status can hold up to 31 status bytes we should * check Tx status before controller fills it up. Otherwise * Tx MAC stalls. */ #define STE_TX_INTR_FRAMES 16 #define STE_TX_TIMEOUT 5 #define STE_TIMEOUT 1000 #define STE_MIN_FRAMELEN 60 #define STE_PACKET_SIZE 1536 #define STE_INC(x, y) (x) = (x + 1) % y #define STE_DEC(x, y) (x) = ((x) + ((y) - 1)) % (y) #define STE_NEXT(x, y) (x + 1) % y struct ste_type { uint16_t ste_vid; uint16_t ste_did; const char *ste_name; }; struct ste_list_data { struct ste_desc_onefrag *ste_rx_list; bus_addr_t ste_rx_list_paddr; struct ste_desc *ste_tx_list; bus_addr_t ste_tx_list_paddr; }; struct ste_chain { struct ste_desc *ste_ptr; struct mbuf *ste_mbuf; struct ste_chain *ste_next; uint32_t ste_phys; bus_dmamap_t ste_map; }; struct ste_chain_onefrag { struct ste_desc_onefrag *ste_ptr; struct mbuf *ste_mbuf; struct ste_chain_onefrag *ste_next; bus_dmamap_t ste_map; }; struct ste_chain_data { bus_dma_tag_t ste_parent_tag; bus_dma_tag_t ste_rx_tag; bus_dma_tag_t ste_tx_tag; bus_dma_tag_t ste_rx_list_tag; bus_dmamap_t ste_rx_list_map; bus_dma_tag_t ste_tx_list_tag; bus_dmamap_t ste_tx_list_map; bus_dmamap_t ste_rx_sparemap; struct ste_chain_onefrag ste_rx_chain[STE_RX_LIST_CNT]; struct ste_chain ste_tx_chain[STE_TX_LIST_CNT]; struct ste_chain_onefrag *ste_rx_head; struct ste_chain *ste_last_tx; int ste_tx_prod; int ste_tx_cons; int ste_tx_cnt; }; struct ste_softc { struct ifnet *ste_ifp; struct resource *ste_res; int ste_res_id; int ste_res_type; struct resource *ste_irq; void *ste_intrhand; struct ste_type *ste_info; device_t ste_miibus; device_t ste_dev; int ste_tx_thresh; int ste_flags; #define STE_FLAG_ONE_PHY 0x0001 #define STE_FLAG_LINK 0x8000 int ste_if_flags; int ste_timer; int ste_int_rx_act; int ste_int_rx_mod; struct ste_list_data ste_ldata; struct ste_chain_data ste_cdata; struct callout ste_callout; struct ste_hw_stats ste_stats; struct mtx ste_mtx; }; #define STE_LOCK(_sc) mtx_lock(&(_sc)->ste_mtx) #define STE_UNLOCK(_sc) mtx_unlock(&(_sc)->ste_mtx) #define STE_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->ste_mtx, MA_OWNED)