Annotation of sys/dev/pci/if_vgevar.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: if_vgevar.h,v 1.3 2006/05/28 00:20:21 brad Exp $ */
! 2: /* $FreeBSD: if_vgevar.h,v 1.1 2004/09/10 20:57:45 wpaul Exp $ */
! 3: /*
! 4: * Copyright (c) 2004
! 5: * Bill Paul <wpaul@windriver.com>. All rights reserved.
! 6: *
! 7: * Redistribution and use in source and binary forms, with or without
! 8: * modification, are permitted provided that the following conditions
! 9: * are met:
! 10: * 1. Redistributions of source code must retain the above copyright
! 11: * notice, this list of conditions and the following disclaimer.
! 12: * 2. Redistributions in binary form must reproduce the above copyright
! 13: * notice, this list of conditions and the following disclaimer in the
! 14: * documentation and/or other materials provided with the distribution.
! 15: * 3. All advertising materials mentioning features or use of this software
! 16: * must display the following acknowledgement:
! 17: * This product includes software developed by Bill Paul.
! 18: * 4. Neither the name of the author nor the names of any co-contributors
! 19: * may be used to endorse or promote products derived from this software
! 20: * without specific prior written permission.
! 21: *
! 22: * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
! 23: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 24: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 25: * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
! 26: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! 27: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! 28: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! 29: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! 30: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! 31: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
! 32: * THE POSSIBILITY OF SUCH DAMAGE.
! 33: */
! 34:
! 35: #define VGE_JUMBO_MTU 9000
! 36:
! 37: #define VGE_IFQ_MAXLEN 64
! 38:
! 39: #define VGE_TX_DESC_CNT 256
! 40: #define VGE_RX_DESC_CNT 256 /* Must be a multiple of 4!! */
! 41: #define VGE_RING_ALIGN 256
! 42: #define VGE_RX_LIST_SZ (VGE_RX_DESC_CNT * sizeof(struct vge_rx_desc))
! 43: #define VGE_TX_LIST_SZ (VGE_TX_DESC_CNT * sizeof(struct vge_tx_desc))
! 44: #define VGE_TX_DESC_INC(x) (x = (x + 1) % VGE_TX_DESC_CNT)
! 45: #define VGE_RX_DESC_INC(x) (x = (x + 1) % VGE_RX_DESC_CNT)
! 46: #define VGE_ADDR_LO(y) ((u_int64_t) (y) & 0xFFFFFFFF)
! 47: #define VGE_ADDR_HI(y) ((u_int64_t) (y) >> 32)
! 48: #define VGE_BUFLEN(y) ((y) & 0x7FFF)
! 49: #define VGE_OWN(x) (letoh32((x)->vge_sts) & VGE_RDSTS_OWN)
! 50: #define VGE_RXBYTES(x) ((letoh32((x)->vge_sts) & \
! 51: VGE_RDSTS_BUFSIZ) >> 16)
! 52: #define VGE_MIN_FRAMELEN 60
! 53:
! 54: #define MAX_NUM_MULTICAST_ADDRESSES 128
! 55:
! 56: struct vge_softc;
! 57:
! 58: struct vge_list_data {
! 59: struct mbuf *vge_tx_mbuf[VGE_TX_DESC_CNT];
! 60: struct mbuf *vge_rx_mbuf[VGE_RX_DESC_CNT];
! 61: int vge_tx_prodidx;
! 62: int vge_rx_prodidx;
! 63: int vge_tx_considx;
! 64: int vge_tx_free;
! 65: bus_dmamap_t vge_tx_dmamap[VGE_TX_DESC_CNT];
! 66: bus_dmamap_t vge_rx_dmamap[VGE_RX_DESC_CNT];
! 67: bus_dma_tag_t vge_mtag; /* mbuf mapping tag */
! 68: bus_dma_segment_t vge_rx_listseg;
! 69: bus_dmamap_t vge_rx_list_map;
! 70: struct vge_rx_desc *vge_rx_list;
! 71: bus_dma_segment_t vge_tx_listseg;
! 72: bus_dmamap_t vge_tx_list_map;
! 73: struct vge_tx_desc *vge_tx_list;
! 74: };
! 75:
! 76: struct vge_softc {
! 77: struct device vge_dev;
! 78: struct arpcom arpcom; /* interface info */
! 79: bus_space_handle_t vge_bhandle; /* bus space handle */
! 80: bus_space_tag_t vge_btag; /* bus space tag */
! 81: void *vge_intrhand;
! 82: bus_dma_tag_t sc_dmat;
! 83: struct mii_data sc_mii;
! 84: int vge_if_flags;
! 85: int vge_rx_consumed;
! 86: int vge_link;
! 87: int vge_camidx;
! 88: struct timeout timer_handle;
! 89: struct mbuf *vge_head;
! 90: struct mbuf *vge_tail;
! 91:
! 92: struct vge_list_data vge_ldata;
! 93: };
! 94:
! 95: /*
! 96: * register space access macros
! 97: */
! 98: #define CSR_WRITE_4(sc, reg, val) \
! 99: bus_space_write_4(sc->vge_btag, sc->vge_bhandle, reg, val)
! 100: #define CSR_WRITE_2(sc, reg, val) \
! 101: bus_space_write_2(sc->vge_btag, sc->vge_bhandle, reg, val)
! 102: #define CSR_WRITE_1(sc, reg, val) \
! 103: bus_space_write_1(sc->vge_btag, sc->vge_bhandle, reg, val)
! 104:
! 105: #define CSR_READ_4(sc, reg) \
! 106: bus_space_read_4(sc->vge_btag, sc->vge_bhandle, reg)
! 107: #define CSR_READ_2(sc, reg) \
! 108: bus_space_read_2(sc->vge_btag, sc->vge_bhandle, reg)
! 109: #define CSR_READ_1(sc, reg) \
! 110: bus_space_read_1(sc->vge_btag, sc->vge_bhandle, reg)
! 111:
! 112: #define CSR_SETBIT_1(sc, reg, x) \
! 113: CSR_WRITE_1(sc, reg, CSR_READ_1(sc, reg) | (x))
! 114: #define CSR_SETBIT_2(sc, reg, x) \
! 115: CSR_WRITE_2(sc, reg, CSR_READ_2(sc, reg) | (x))
! 116: #define CSR_SETBIT_4(sc, reg, x) \
! 117: CSR_WRITE_4(sc, reg, CSR_READ_4(sc, reg) | (x))
! 118:
! 119: #define CSR_CLRBIT_1(sc, reg, x) \
! 120: CSR_WRITE_1(sc, reg, CSR_READ_1(sc, reg) & ~(x))
! 121: #define CSR_CLRBIT_2(sc, reg, x) \
! 122: CSR_WRITE_2(sc, reg, CSR_READ_2(sc, reg) & ~(x))
! 123: #define CSR_CLRBIT_4(sc, reg, x) \
! 124: CSR_WRITE_4(sc, reg, CSR_READ_4(sc, reg) & ~(x))
! 125:
! 126: #define VGE_TIMEOUT 10000
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