50a9f1c71c
This fine work was done by Yohanes Nugroho <yohanes a gmail dot com> Many thanks to John Nicholls and Thinlinx for providing sample hardware.
139 lines
2.7 KiB
C
139 lines
2.7 KiB
C
/*
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* $FreeBSD$
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*/
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#ifndef _IF_MACB_H
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#define _IF_MACB_H
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#define MACB_MAX_TX_BUFFERS 64
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#define MACB_MAX_RX_BUFFERS 256
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#define MAX_FRAGMENT 20
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#define DATA_SIZE 128
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#define MACB_DESC_INC(x, y) ((x) = ((x) + 1) % (y))
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#define MACB_TIMEOUT 1000
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struct eth_tx_desc {
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uint32_t addr;
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uint32_t flags;
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#define TD_OWN (1 << 31)
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#define TD_LAST (1 << 15)
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#define TD_WRAP_MASK (1 << 30)
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};
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struct eth_rx_desc {
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uint32_t addr;
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#define RD_LEN_MASK 0x7ff
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#define RD_WRAP_MASK 0x00000002
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#define RD_OWN 0x00000001
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uint32_t flags;
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#define RD_BROADCAST (1 << 31)
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#define RD_MULTICAST (1 << 30)
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#define RD_UNICAST (1 << 29)
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#define RD_EXTERNAL (1 << 28)
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#define RD_TYPE_ID (1 << 22)
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#define RD_PRIORITY (1 << 20)
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#define RD_VLAN (1 << 21)
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#define RD_CONCAT (1 << 16)
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#define RD_EOF (1 << 15)
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#define RD_SOF (1 << 14)
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#define RD_OFFSET_MASK (1 << 13)|(1 << 12)
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#define RD_LENGTH_MASK (0x00000FFF)
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};
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struct rx_desc_info {
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struct mbuf *buff;
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bus_dmamap_t dmamap;
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};
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struct tx_desc_info {
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struct mbuf *buff;
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bus_dmamap_t dmamap;
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};
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struct macb_chain_data{
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struct mbuf *rxhead;
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struct mbuf *rxtail;
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};
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struct macb_softc
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{
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struct ifnet *ifp; /* ifnet pointer */
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struct mtx sc_mtx; /* global mutex */
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bus_dma_tag_t sc_parent_tag; /* parent bus DMA tag */
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device_t dev; /* Myself */
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device_t miibus; /* My child miibus */
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void *intrhand; /* Interrupt handle */
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void *intrhand_qf; /* queue full */
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void *intrhand_tx; /* tx complete */
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void *intrhand_status; /* error status */
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struct resource *irq_res; /* transmit */
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struct resource *irq_res_rec; /* receive */
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struct resource *irq_res_qf; /* queue full */
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struct resource *irq_res_status; /* status */
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struct resource *mem_res; /* Memory resource */
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struct callout tick_ch; /* Tick callout */
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struct taskqueue *sc_tq;
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struct task sc_intr_task;
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struct task sc_tx_task;
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struct task sc_link_task;
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bus_dmamap_t dmamap_ring_tx;
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bus_dmamap_t dmamap_ring_rx;
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/*dma tag for ring*/
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bus_dma_tag_t dmatag_ring_tx;
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bus_dma_tag_t dmatag_ring_rx;
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/*dma tag for data*/
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bus_dma_tag_t dmatag_data_tx;
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bus_dma_tag_t dmatag_data_rx;
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/*the ring*/
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struct eth_tx_desc *desc_tx;
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struct eth_rx_desc *desc_rx;
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/*ring physical address*/
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bus_addr_t ring_paddr_tx;
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bus_addr_t ring_paddr_rx;
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/*index of last received descriptor*/
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int rx_cons;
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struct rx_desc_info rx_desc[MACB_MAX_RX_BUFFERS];
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/* tx producer index */
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uint32_t tx_prod;
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/* tx consumer index */
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uint32_t tx_cons;
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int tx_cnt;
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struct tx_desc_info tx_desc[MACB_MAX_TX_BUFFERS];
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int macb_watchdog_timer;
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#define MACB_FLAG_LINK 0x0001
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int flags;
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int if_flags;
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struct at91_pmc_clock *clk;
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struct macb_chain_data macb_cdata;
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int clock;
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};
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#endif
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