1 /*- 2 * Copyright (c) 2008 Stanislav Sedov <stas@FreeBSD.org>. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 * 25 * $FreeBSD: src/sys/dev/ae/if_aevar.h,v 1.1.2.1.4.1 2009/04/15 03:14:26 kensmith Exp $ 26 */ 27 28 #ifndef IF_AEVAR_H 29 #define IF_AEVAR_H 30 31 /* 32 * Supported chips identifiers. 33 */ 34 #define VENDORID_ATTANSIC 0x1969 35 #define DEVICEID_ATTANSIC_L2 0x2048 36 37 /* How much to wait for reset to complete (10 microsecond units). */ 38 #define AE_RESET_TIMEOUT 100 39 40 /* How much to wait for device to enter idle state (100 microsecond units). */ 41 #define AE_IDLE_TIMEOUT 100 42 43 /* How much to wait for MDIO to do the work (2 microsecond units). */ 44 #define AE_MDIO_TIMEOUT 10 45 46 /* How much to wait for VPD reading operation to complete (2 ms units). */ 47 #define AE_VPD_TIMEOUT 10 48 49 /* How much to wait for send operation to complete (HZ units). */ 50 #define AE_TX_TIMEOUT 5 51 52 /* Default PHY address. */ 53 #define AE_PHYADDR_DEFAULT 0 54 55 /* Tx packet descriptor header format. */ 56 struct ae_txd { 57 uint16_t len; 58 uint16_t vlan; 59 } __packed; 60 61 /* Tx status descriptor format. */ 62 struct ae_txs { 63 uint16_t len; 64 uint16_t flags; 65 } __packed; 66 67 /* Rx packet descriptor format. */ 68 struct ae_rxd { 69 uint16_t len; 70 uint16_t flags; 71 uint16_t vlan; 72 uint16_t __pad; 73 uint8_t data[1528]; 74 } __packed; 75 76 /* Statistics. */ 77 struct ae_stats { 78 uint32_t rx_bcast; 79 uint32_t rx_mcast; 80 uint32_t rx_pause; 81 uint32_t rx_ctrl; 82 uint32_t rx_crcerr; 83 uint32_t rx_codeerr; 84 uint32_t rx_runt; 85 uint32_t rx_frag; 86 uint32_t rx_trunc; 87 uint32_t rx_align; 88 uint32_t tx_bcast; 89 uint32_t tx_mcast; 90 uint32_t tx_pause; 91 uint32_t tx_ctrl; 92 uint32_t tx_defer; 93 uint32_t tx_excdefer; 94 uint32_t tx_singlecol; 95 uint32_t tx_multicol; 96 uint32_t tx_latecol; 97 uint32_t tx_abortcol; 98 uint32_t tx_underrun; 99 }; 100 101 /* Software state structure. */ 102 struct ae_softc { 103 struct arpcom arpcom; 104 device_t ae_dev; 105 106 int ae_mem_rid; 107 struct resource *ae_mem_res; 108 bus_space_tag_t ae_mem_bt; 109 bus_space_handle_t ae_mem_bh; 110 111 int ae_irq_rid; 112 struct resource *ae_irq_res; 113 void *ae_irq_handle; 114 115 int ae_phyaddr; 116 device_t ae_miibus; 117 118 int ae_rev; 119 int ae_chip_rev; 120 uint8_t ae_eaddr[ETHER_ADDR_LEN]; 121 uint8_t ae_flags; 122 int ae_if_flags; 123 124 struct callout ae_tick_ch; 125 126 /* DMA tags. */ 127 bus_dma_tag_t dma_parent_tag; 128 bus_dma_tag_t dma_rxd_tag; 129 bus_dma_tag_t dma_txd_tag; 130 bus_dma_tag_t dma_txs_tag; 131 bus_dmamap_t dma_rxd_map; 132 bus_dmamap_t dma_txd_map; 133 bus_dmamap_t dma_txs_map; 134 135 bus_addr_t dma_rxd_busaddr; 136 bus_addr_t dma_txd_busaddr; 137 bus_addr_t dma_txs_busaddr; 138 139 uint8_t *rxd_base_dma; /* Start of allocated area. */ 140 struct ae_rxd *rxd_base; /* Start of RxD ring. */ 141 uint8_t *txd_base; /* Start of TxD ring. */ 142 struct ae_txs *txs_base; /* Start of TxS ring. */ 143 144 /* Ring pointers. */ 145 unsigned int rxd_cur; 146 unsigned int txd_cur; 147 unsigned int txs_cur; 148 unsigned int txs_ack; 149 unsigned int txd_ack; 150 151 int tx_inproc; /* Active Tx frames in ring. */ 152 int wd_timer; /* XXX remove */ 153 154 struct ae_stats stats; 155 }; 156 157 #define BUS_ADDR_LO(x) ((uint64_t) (x) & 0xFFFFFFFF) 158 #define BUS_ADDR_HI(x) ((uint64_t) (x) >> 32) 159 160 #define AE_FLAG_LINK 0x01 /* Has link. */ 161 #define AE_FLAG_DETACH 0x02 /* Is detaching. */ 162 #define AE_FLAG_TXAVAIL 0x04 /* Tx'es available. */ 163 #define AE_FLAG_MSI 0x08 /* Using MSI. */ 164 #define AE_FLAG_PMG 0x10 /* Supports PCI power management. */ 165 166 #endif /* IF_AEVAR_H */ 167