mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-26 11:47:31 +00:00
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
/*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#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 (1 << 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 (1 << 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;
|
|
};
|
|
|
|
|
|
|
|
#endif
|