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/*-
* Copyright (c) 2008 Stanislav Sedov <stas@FreeBSD.org>.
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*
* $FreeBSD: release/9.1.0/sys/dev/ae/if_aevar.h 216925 2011-01-03 18:28:30Z jhb $
*/
#ifndef IF_AEVAR_H
#define IF_AEVAR_H
/*
* Supported chips identifiers.
*/
#define VENDORID_ATTANSIC 0x1969
#define DEVICEID_ATTANSIC_L2 0x2048
/* How much to wait for reset to complete (10 microsecond units). */
#define AE_RESET_TIMEOUT 100
/* How much to wait for device to enter idle state (100 microsecond units). */
#define AE_IDLE_TIMEOUT 100
/* How much to wait for MDIO to do the work (2 microsecond units). */
#define AE_MDIO_TIMEOUT 10
/* How much to wait for VPD reading operation to complete (2 ms units). */
#define AE_VPD_TIMEOUT 10
/* How much to wait for send operation to complete (HZ units). */
#define AE_TX_TIMEOUT 5
/* Default PHY address. */
#define AE_PHYADDR_DEFAULT 0
/* Tx packet descriptor header format. */
typedef struct ae_txd {
uint16_t len;
uint16_t vlan;
} __packed ae_txd_t;
/* Tx status descriptor format. */
typedef struct ae_txs {
uint16_t len;
uint16_t flags;
} __packed ae_txs_t;
/* Rx packet descriptor format. */
typedef struct ae_rxd {
uint16_t len;
uint16_t flags;
uint16_t vlan;
uint16_t __pad;
uint8_t data[1528];
} __packed ae_rxd_t;
/* Statistics. */
typedef struct ae_stats {
uint32_t rx_bcast;
uint32_t rx_mcast;
uint32_t rx_pause;
uint32_t rx_ctrl;
uint32_t rx_crcerr;
uint32_t rx_codeerr;
uint32_t rx_runt;
uint32_t rx_frag;
uint32_t rx_trunc;
uint32_t rx_align;
uint32_t tx_bcast;
uint32_t tx_mcast;
uint32_t tx_pause;
uint32_t tx_ctrl;
uint32_t tx_defer;
uint32_t tx_excdefer;
uint32_t tx_singlecol;
uint32_t tx_multicol;
uint32_t tx_latecol;
uint32_t tx_abortcol;
uint32_t tx_underrun;
} ae_stats_t;
/* Software state structure. */
typedef struct ae_softc {
struct ifnet *ifp;
device_t dev;
device_t miibus;
struct resource *mem[1];
struct resource_spec *spec_mem;
struct resource *irq[1];
struct resource_spec *spec_irq;
void *intrhand;
struct mtx mtx;
uint8_t eaddr[ETHER_ADDR_LEN];
uint8_t flags;
int if_flags;
struct callout tick_ch;
/* Tasks. */
struct task int_task;
struct task link_task;
struct taskqueue *tq;
/* DMA tags. */
bus_dma_tag_t dma_parent_tag;
bus_dma_tag_t dma_rxd_tag;
bus_dma_tag_t dma_txd_tag;
bus_dma_tag_t dma_txs_tag;
bus_dmamap_t dma_rxd_map;
bus_dmamap_t dma_txd_map;
bus_dmamap_t dma_txs_map;
bus_addr_t dma_rxd_busaddr;
bus_addr_t dma_txd_busaddr;
bus_addr_t dma_txs_busaddr;
char *rxd_base_dma; /* Start of allocated area. */
ae_rxd_t *rxd_base; /* Start of RxD ring. */
char *txd_base; /* Start of TxD ring. */
ae_txs_t *txs_base; /* Start of TxS ring. */
/* Ring pointers. */
unsigned int rxd_cur;
unsigned int txd_cur;
unsigned int txs_cur;
unsigned int txs_ack;
unsigned int txd_ack;
int tx_inproc; /* Active Tx frames in ring. */
int wd_timer;
ae_stats_t stats;
} ae_softc_t;
#define AE_LOCK(_sc) mtx_lock(&(_sc)->mtx)
#define AE_UNLOCK(_sc) mtx_unlock(&(_sc)->mtx)
#define AE_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->mtx, MA_OWNED)
#define BUS_ADDR_LO(x) ((uint64_t) (x) & 0xFFFFFFFF)
#define BUS_ADDR_HI(x) ((uint64_t) (x) >> 32)
#define AE_FLAG_LINK 0x01 /* Has link. */
#define AE_FLAG_DETACH 0x02 /* Is detaching. */
#define AE_FLAG_TXAVAIL 0x04 /* Tx'es available. */
#define AE_FLAG_MSI 0x08 /* Using MSI. */
#define AE_FLAG_PMG 0x10 /* Supports PCI power management. */
#endif /* IF_AEVAR_H */