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/*
* $FreeBSD$
*/
#ifndef _IF_MACB_H
#define _IF_MACB_H
#define MACB_MAX_TX_BUFFERS 64
#define MACB_MAX_RX_BUFFERS 256
#define MAX_FRAGMENT 20
#define DATA_SIZE 128
#define MACB_DESC_INC(x, y) ((x) = ((x) + 1) % (y))
#define MACB_TIMEOUT 1000
struct eth_tx_desc {
uint32_t addr;
uint32_t flags;
#define TD_OWN (1U << 31)
#define TD_LAST (1 << 15)
#define TD_WRAP_MASK (1 << 30)
};
struct eth_rx_desc {
uint32_t addr;
#define RD_LEN_MASK 0x7ff
#define RD_WRAP_MASK 0x00000002
#define RD_OWN 0x00000001
uint32_t flags;
#define RD_BROADCAST (1U << 31)
#define RD_MULTICAST (1 << 30)
#define RD_UNICAST (1 << 29)
#define RD_EXTERNAL (1 << 28)
#define RD_TYPE_ID (1 << 22)
#define RD_PRIORITY (1 << 20)
#define RD_VLAN (1 << 21)
#define RD_CONCAT (1 << 16)
#define RD_EOF (1 << 15)
#define RD_SOF (1 << 14)
#define RD_OFFSET_MASK (1 << 13)|(1 << 12)
#define RD_LENGTH_MASK (0x00000FFF)
};
struct rx_desc_info {
struct mbuf *buff;
bus_dmamap_t dmamap;
};
struct tx_desc_info {
struct mbuf *buff;
bus_dmamap_t dmamap;
};
struct macb_chain_data{
struct mbuf *rxhead;
struct mbuf *rxtail;
};
struct macb_softc
{
struct ifnet *ifp; /* ifnet pointer */
struct mtx sc_mtx; /* global mutex */
bus_dma_tag_t sc_parent_tag; /* parent bus DMA tag */
device_t dev; /* Myself */
device_t miibus; /* My child miibus */
void *intrhand; /* Interrupt handle */
void *intrhand_qf; /* queue full */
void *intrhand_tx; /* tx complete */
void *intrhand_status; /* error status */
struct resource *irq_res; /* transmit */
struct resource *irq_res_rec; /* receive */
struct resource *irq_res_qf; /* queue full */
struct resource *irq_res_status; /* status */
struct resource *mem_res; /* Memory resource */
struct callout tick_ch; /* Tick callout */
struct taskqueue *sc_tq;
struct task sc_intr_task;
struct task sc_tx_task;
struct task sc_link_task;
bus_dmamap_t dmamap_ring_tx;
bus_dmamap_t dmamap_ring_rx;
/*dma tag for ring*/
bus_dma_tag_t dmatag_ring_tx;
bus_dma_tag_t dmatag_ring_rx;
/*dma tag for data*/
bus_dma_tag_t dmatag_data_tx;
bus_dma_tag_t dmatag_data_rx;
/*the ring*/
struct eth_tx_desc *desc_tx;
struct eth_rx_desc *desc_rx;
/*ring physical address*/
bus_addr_t ring_paddr_tx;
bus_addr_t ring_paddr_rx;
/*index of last received descriptor*/
int rx_cons;
struct rx_desc_info rx_desc[MACB_MAX_RX_BUFFERS];
/* tx producer index */
uint32_t tx_prod;
/* tx consumer index */
uint32_t tx_cons;
int tx_cnt;
struct tx_desc_info tx_desc[MACB_MAX_TX_BUFFERS];
int macb_watchdog_timer;
#define MACB_FLAG_LINK 0x0001
int flags;
int if_flags;
struct at91_pmc_clock *clk;
struct macb_chain_data macb_cdata;
int clock;
uint32_t use_rmii; /* 0 or USRIO_RMII */
};
#endif
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