diff options
| author | florian <florian@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2008-11-26 18:41:01 +0000 | 
|---|---|---|
| committer | florian <florian@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2008-11-26 18:41:01 +0000 | 
| commit | aedeeb1874e872189927c3c73cc039a2eb250586 (patch) | |
| tree | 6fde2e69d2148e574198abd03d835771086266a3 /target/linux/brcm63xx/files/drivers/net/bcm63xx_enet.h | |
| parent | e65685b4adca261a3d31b01014723755aff10323 (diff) | |
Flatten brcm63xx patches, should make our life easier to patch files now ;)
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13368 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/brcm63xx/files/drivers/net/bcm63xx_enet.h')
| -rw-r--r-- | target/linux/brcm63xx/files/drivers/net/bcm63xx_enet.h | 294 | 
1 files changed, 294 insertions, 0 deletions
| diff --git a/target/linux/brcm63xx/files/drivers/net/bcm63xx_enet.h b/target/linux/brcm63xx/files/drivers/net/bcm63xx_enet.h new file mode 100644 index 000000000..fe7ffc19c --- /dev/null +++ b/target/linux/brcm63xx/files/drivers/net/bcm63xx_enet.h @@ -0,0 +1,294 @@ +#ifndef BCM63XX_ENET_H_ +#define BCM63XX_ENET_H_ + +#include <linux/types.h> +#include <linux/mii.h> +#include <linux/mutex.h> +#include <linux/phy.h> +#include <linux/platform_device.h> + +#include <bcm63xx_regs.h> +#include <bcm63xx_irq.h> +#include <bcm63xx_io.h> + +/* default number of descriptor */ +#define BCMENET_DEF_RX_DESC	64 +#define BCMENET_DEF_TX_DESC	32 + +/* maximum burst len for dma (4 bytes unit) */ +#define BCMENET_DMA_MAXBURST	16 + +/* tx transmit threshold (4 bytes unit), fifo is 256 bytes, the value + * must be low enough so that a DMA transfer of above burst length can + * not overflow the fifo  */ +#define BCMENET_TX_FIFO_TRESH	32 + +/* maximum rx/tx packet size */ +#define	BCMENET_MAX_RX_SIZE	(ETH_FRAME_LEN + 4) +#define	BCMENET_MAX_TX_SIZE	(ETH_FRAME_LEN + 4) + +/* + * rx/tx dma descriptor + */ +struct bcm_enet_desc { +	u32 len_stat; +	u32 address; +}; + +#define DMADESC_LENGTH_SHIFT	16 +#define DMADESC_LENGTH_MASK	(0xfff << DMADESC_LENGTH_SHIFT) +#define DMADESC_OWNER_MASK	(1 << 15) +#define DMADESC_EOP_MASK	(1 << 14) +#define DMADESC_SOP_MASK	(1 << 13) +#define DMADESC_ESOP_MASK	(DMADESC_EOP_MASK | DMADESC_SOP_MASK) +#define DMADESC_WRAP_MASK	(1 << 12) + +#define DMADESC_UNDER_MASK	(1 << 9) +#define DMADESC_APPEND_CRC	(1 << 8) +#define DMADESC_OVSIZE_MASK	(1 << 4) +#define DMADESC_RXER_MASK	(1 << 2) +#define DMADESC_CRC_MASK	(1 << 1) +#define DMADESC_OV_MASK		(1 << 0) +#define DMADESC_ERR_MASK	(DMADESC_UNDER_MASK | \ +				DMADESC_OVSIZE_MASK | \ +				DMADESC_RXER_MASK | \ +				DMADESC_CRC_MASK | \ +				DMADESC_OV_MASK) + + +/* + * MIB Counters register definitions +*/ +#define ETH_MIB_TX_GD_OCTETS			0 +#define ETH_MIB_TX_GD_PKTS			1 +#define ETH_MIB_TX_ALL_OCTETS			2 +#define ETH_MIB_TX_ALL_PKTS			3 +#define ETH_MIB_TX_BRDCAST			4 +#define ETH_MIB_TX_MULT				5 +#define ETH_MIB_TX_64				6 +#define ETH_MIB_TX_65_127			7 +#define ETH_MIB_TX_128_255			8 +#define ETH_MIB_TX_256_511			9 +#define ETH_MIB_TX_512_1023			10 +#define ETH_MIB_TX_1024_MAX			11 +#define ETH_MIB_TX_JAB				12 +#define ETH_MIB_TX_OVR				13 +#define ETH_MIB_TX_FRAG				14 +#define ETH_MIB_TX_UNDERRUN			15 +#define ETH_MIB_TX_COL				16 +#define ETH_MIB_TX_1_COL			17 +#define ETH_MIB_TX_M_COL			18 +#define ETH_MIB_TX_EX_COL			19 +#define ETH_MIB_TX_LATE				20 +#define ETH_MIB_TX_DEF				21 +#define ETH_MIB_TX_CRS				22 +#define ETH_MIB_TX_PAUSE			23 + +#define ETH_MIB_RX_GD_OCTETS			32 +#define ETH_MIB_RX_GD_PKTS			33 +#define ETH_MIB_RX_ALL_OCTETS			34 +#define ETH_MIB_RX_ALL_PKTS			35 +#define ETH_MIB_RX_BRDCAST			36 +#define ETH_MIB_RX_MULT				37 +#define ETH_MIB_RX_64				38 +#define ETH_MIB_RX_65_127			39 +#define ETH_MIB_RX_128_255			40 +#define ETH_MIB_RX_256_511			41 +#define ETH_MIB_RX_512_1023			42 +#define ETH_MIB_RX_1024_MAX			43 +#define ETH_MIB_RX_JAB				44 +#define ETH_MIB_RX_OVR				45 +#define ETH_MIB_RX_FRAG				46 +#define ETH_MIB_RX_DROP				47 +#define ETH_MIB_RX_CRC_ALIGN			48 +#define ETH_MIB_RX_UND				49 +#define ETH_MIB_RX_CRC				50 +#define ETH_MIB_RX_ALIGN			51 +#define ETH_MIB_RX_SYM				52 +#define ETH_MIB_RX_PAUSE			53 +#define ETH_MIB_RX_CNTRL			54 + + +struct bcm_enet_mib_counters { +	u64 tx_gd_octets; +	u32 tx_gd_pkts; +	u32 tx_all_octets; +	u32 tx_all_pkts; +	u32 tx_brdcast; +	u32 tx_mult; +	u32 tx_64; +	u32 tx_65_127; +	u32 tx_128_255; +	u32 tx_256_511; +	u32 tx_512_1023; +	u32 tx_1024_max; +	u32 tx_jab; +	u32 tx_ovr; +	u32 tx_frag; +	u32 tx_underrun; +	u32 tx_col; +	u32 tx_1_col; +	u32 tx_m_col; +	u32 tx_ex_col; +	u32 tx_late; +	u32 tx_def; +	u32 tx_crs; +	u32 tx_pause; +	u64 rx_gd_octets; +	u32 rx_gd_pkts; +	u32 rx_all_octets; +	u32 rx_all_pkts; +	u32 rx_brdcast; +	u32 rx_mult; +	u32 rx_64; +	u32 rx_65_127; +	u32 rx_128_255; +	u32 rx_256_511; +	u32 rx_512_1023; +	u32 rx_1024_max; +	u32 rx_jab; +	u32 rx_ovr; +	u32 rx_frag; +	u32 rx_drop; +	u32 rx_crc_align; +	u32 rx_und; +	u32 rx_crc; +	u32 rx_align; +	u32 rx_sym; +	u32 rx_pause; +	u32 rx_cntrl; +}; + + +struct bcm_enet_priv { + +	/* mac id (from platform device id) */ +	int mac_id; + +	/* base remapped address of device */ +	void __iomem *base; + +	/* mac irq, rx_dma irq, tx_dma irq */ +	int irq; +	int irq_rx; +	int irq_tx; + +	/* hw view of rx & tx dma ring */ +	dma_addr_t rx_desc_dma; +	dma_addr_t tx_desc_dma; + +	/* allocated size (in bytes) for rx & tx dma ring */ +	unsigned int rx_desc_alloc_size; +	unsigned int tx_desc_alloc_size; + + +	struct napi_struct napi; + +	/* dma channel id for rx */ +	int rx_chan; + +	/* number of dma desc in rx ring */ +	int rx_ring_size; + +	/* cpu view of rx dma ring */ +	struct bcm_enet_desc *rx_desc_cpu; + +	/* current number of armed descriptor given to hardware for rx */ +	int rx_desc_count; + +	/* next rx descriptor to fetch from hardware */ +	int rx_curr_desc; + +	/* next dirty rx descriptor to refill */ +	int rx_dirty_desc; + +	/* list of skb given to hw for rx */ +	struct sk_buff **rx_skb; + +	/* used when rx skb allocation failed, so we defer rx queue +	 * refill */ +	struct timer_list rx_timeout; + +	/* lock rx_timeout against rx normal operation */ +	spinlock_t rx_lock; + + +	/* dma channel id for tx */ +	int tx_chan; + +	/* number of dma desc in tx ring */ +	int tx_ring_size; + +	/* cpu view of rx dma ring */ +	struct bcm_enet_desc *tx_desc_cpu; + +	/* number of available descriptor for tx */ +	int tx_desc_count; + +	/* next tx descriptor avaiable */ +	int tx_curr_desc; + +	/* next dirty tx descriptor to reclaim */ +	int tx_dirty_desc; + +	/* list of skb given to hw for tx */ +	struct sk_buff **tx_skb; + +	/* lock used by tx reclaim and xmit */ +	spinlock_t tx_lock; + + +	/* set if internal phy is ignored and external mii interface +	 * is selected */ +	int use_external_mii; + +	/* set if a phy is connected, phy address must be known, +	 * probing is not possible */ +	int has_phy; +	int phy_id; + +	/* set if connected phy has an associated irq */ +	int has_phy_interrupt; +	int phy_interrupt; + +	/* used when a phy is connected (phylib used) */ +	struct mii_bus mii_bus; +	struct phy_device *phydev; +	int old_link; +	int old_duplex; +	int old_pause; + +	/* used when no phy is connected */ +	int force_speed_100; +	int force_duplex_full; + +	/* pause parameters */ +	int pause_auto; +	int pause_rx; +	int pause_tx; + +	/* stats */ +	struct net_device_stats stats; +	struct bcm_enet_mib_counters mib; + +	/* after mib interrupt, mib registers update is done in this +	 * work queue */ +	struct work_struct mib_update_task; + +	/* lock mib update between userspace request and workqueue */ +	struct mutex mib_update_lock; + +	/* mac clock */ +	struct clk *mac_clk; + +	/* phy clock if internal phy is used */ +	struct clk *phy_clk; + +	/* network device reference */ +	struct net_device *net_dev; + +	/* platform device reference */ +	struct platform_device *pdev; +}; + +#endif /* ! BCM63XX_ENET_H_ */ | 
