Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/dev/ae/if_aevar.h
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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: releng/8.4/sys/dev/ae/if_aevar.h 218198 2011-02-02 18:42:53Z yongari $ 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 typedef struct ae_txd { 57 uint16_t len; 58 uint16_t vlan; 59 } __packed ae_txd_t; 60 61 /* Tx status descriptor format. */ 62 typedef struct ae_txs { 63 uint16_t len; 64 uint16_t flags; 65 } __packed ae_txs_t; 66 67 /* Rx packet descriptor format. */ 68 typedef 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 ae_rxd_t; 75 76 /* Statistics. */ 77 typedef 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 } ae_stats_t; 100 101 /* Software state structure. */ 102 typedef struct ae_softc { 103 struct ifnet *ifp; 104 device_t dev; 105 device_t miibus; 106 struct resource *mem[1]; 107 struct resource_spec *spec_mem; 108 struct resource *irq[1]; 109 struct resource_spec *spec_irq; 110 void *intrhand; 111 112 struct mtx mtx; 113 114 uint8_t eaddr[ETHER_ADDR_LEN]; 115 uint8_t flags; 116 int if_flags; 117 118 struct callout tick_ch; 119 120 /* Tasks. */ 121 struct task int_task; 122 struct task link_task; 123 struct taskqueue *tq; 124 125 /* DMA tags. */ 126 bus_dma_tag_t dma_parent_tag; 127 bus_dma_tag_t dma_rxd_tag; 128 bus_dma_tag_t dma_txd_tag; 129 bus_dma_tag_t dma_txs_tag; 130 bus_dmamap_t dma_rxd_map; 131 bus_dmamap_t dma_txd_map; 132 bus_dmamap_t dma_txs_map; 133 134 bus_addr_t dma_rxd_busaddr; 135 bus_addr_t dma_txd_busaddr; 136 bus_addr_t dma_txs_busaddr; 137 138 char *rxd_base_dma; /* Start of allocated area. */ 139 ae_rxd_t *rxd_base; /* Start of RxD ring. */ 140 char *txd_base; /* Start of TxD ring. */ 141 ae_txs_t *txs_base; /* Start of TxS ring. */ 142 143 /* Ring pointers. */ 144 unsigned int rxd_cur; 145 unsigned int txd_cur; 146 unsigned int txs_cur; 147 unsigned int txs_ack; 148 unsigned int txd_ack; 149 150 int tx_inproc; /* Active Tx frames in ring. */ 151 int wd_timer; 152 153 ae_stats_t stats; 154 } ae_softc_t; 155 156 #define AE_LOCK(_sc) mtx_lock(&(_sc)->mtx) 157 #define AE_UNLOCK(_sc) mtx_unlock(&(_sc)->mtx) 158 #define AE_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->mtx, MA_OWNED) 159 160 #define BUS_ADDR_LO(x) ((uint64_t) (x) & 0xFFFFFFFF) 161 #define BUS_ADDR_HI(x) ((uint64_t) (x) >> 32) 162 163 #define AE_FLAG_LINK 0x01 /* Has link. */ 164 #define AE_FLAG_DETACH 0x02 /* Is detaching. */ 165 #define AE_FLAG_TXAVAIL 0x04 /* Tx'es available. */ 166 #define AE_FLAG_MSI 0x08 /* Using MSI. */ 167 #define AE_FLAG_PMG 0x10 /* Supports PCI power management. */ 168 169 #endif /* IF_AEVAR_H */
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