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Release 4.11 drivers/net/ethernet/freescale/fs_enet/fs_enet.h

#ifndef FS_ENET_H

#define FS_ENET_H

#include <linux/mii.h>
#include <linux/netdevice.h>
#include <linux/types.h>
#include <linux/list.h>
#include <linux/phy.h>
#include <linux/dma-mapping.h>

#include <linux/fs_enet_pd.h>
#include <asm/fs_pd.h>

#ifdef CONFIG_CPM1
#include <asm/cpm1.h>
#endif

#if defined(CONFIG_FS_ENET_HAS_FEC)
#include <asm/cpm.h>

#if defined(CONFIG_FS_ENET_MPC5121_FEC)
/* MPC5121 FEC has different register layout */

struct fec {
	
u32 fec_reserved0;
	
u32 fec_ievent;			/* Interrupt event reg */
	
u32 fec_imask;			/* Interrupt mask reg */
	
u32 fec_reserved1;
	
u32 fec_r_des_active;		/* Receive descriptor reg */
	
u32 fec_x_des_active;		/* Transmit descriptor reg */
	
u32 fec_reserved2[3];
	
u32 fec_ecntrl;			/* Ethernet control reg */
	
u32 fec_reserved3[6];
	
u32 fec_mii_data;		/* MII manage frame reg */
	
u32 fec_mii_speed;		/* MII speed control reg */
	
u32 fec_reserved4[7];
	
u32 fec_mib_ctrlstat;		/* MIB control/status reg */
	
u32 fec_reserved5[7];
	
u32 fec_r_cntrl;		/* Receive control reg */
	
u32 fec_reserved6[15];
	
u32 fec_x_cntrl;		/* Transmit Control reg */
	
u32 fec_reserved7[7];
	
u32 fec_addr_low;		/* Low 32bits MAC address */
	
u32 fec_addr_high;		/* High 16bits MAC address */
	
u32 fec_opd;			/* Opcode + Pause duration */
	
u32 fec_reserved8[10];
	
u32 fec_hash_table_high;	/* High 32bits hash table */
	
u32 fec_hash_table_low;		/* Low 32bits hash table */
	
u32 fec_grp_hash_table_high;	/* High 32bits hash table */
	
u32 fec_grp_hash_table_low;	/* Low 32bits hash table */
	
u32 fec_reserved9[7];
	
u32 fec_x_wmrk;			/* FIFO transmit water mark */
	
u32 fec_reserved10;
	
u32 fec_r_bound;		/* FIFO receive bound reg */
	
u32 fec_r_fstart;		/* FIFO receive start reg */
	
u32 fec_reserved11[11];
	
u32 fec_r_des_start;		/* Receive descriptor ring */
	
u32 fec_x_des_start;		/* Transmit descriptor ring */
	
u32 fec_r_buff_size;		/* Maximum receive buff size */
	
u32 fec_reserved12[26];
	
u32 fec_dma_control;		/* DMA Endian and other ctrl */
};
#endif


struct fec_info {
	
struct fec __iomem *fecp;
	
u32 mii_speed;
};
#endif

#ifdef CONFIG_CPM2
#include <asm/cpm2.h>
#endif

/* hw driver ops */

struct fs_ops {
	
int (*setup_data)(struct net_device *dev);
	
int (*allocate_bd)(struct net_device *dev);
	
void (*free_bd)(struct net_device *dev);
	
void (*cleanup_data)(struct net_device *dev);
	
void (*set_multicast_list)(struct net_device *dev);
	
void (*adjust_link)(struct net_device *dev);
	
void (*restart)(struct net_device *dev);
	
void (*stop)(struct net_device *dev);
	
void (*napi_clear_event)(struct net_device *dev);
	
void (*napi_enable)(struct net_device *dev);
	
void (*napi_disable)(struct net_device *dev);
	
void (*rx_bd_done)(struct net_device *dev);
	
void (*tx_kickstart)(struct net_device *dev);
	
u32 (*get_int_events)(struct net_device *dev);
	
void (*clear_int_events)(struct net_device *dev, u32 int_events);
	
void (*ev_error)(struct net_device *dev, u32 int_events);
	
int (*get_regs)(struct net_device *dev, void *p, int *sizep);
	
int (*get_regs_len)(struct net_device *dev);
	
void (*tx_restart)(struct net_device *dev);
};


struct phy_info {
	
unsigned int id;
	
const char *name;
	
void (*startup) (struct net_device * dev);
	
void (*shutdown) (struct net_device * dev);
	
void (*ack_int) (struct net_device * dev);
};

/* The FEC stores dest/src/type, data, and checksum for receive packets.
 */

#define MAX_MTU 1508		
/* Allow fullsized pppoe packets over VLAN */

#define MIN_MTU 46		
/* this is data size */

#define CRC_LEN 4


#define PKT_MAXBUF_SIZE		(MAX_MTU+ETH_HLEN+CRC_LEN)

#define PKT_MINBUF_SIZE		(MIN_MTU+ETH_HLEN+CRC_LEN)

/* Must be a multiple of 32 (to cover both FEC & FCC) */

#define PKT_MAXBLR_SIZE		((PKT_MAXBUF_SIZE + 31) & ~31)
/* This is needed so that invalidate_xxx wont invalidate too much */

#define ENET_RX_ALIGN  16

#define ENET_RX_FRSIZE L1_CACHE_ALIGN(PKT_MAXBUF_SIZE + ENET_RX_ALIGN - 1)


struct fs_enet_private {
	
struct napi_struct napi;
	
struct device *dev;	/* pointer back to the device (must be initialized first) */
	
struct net_device *ndev;
	
spinlock_t lock;	/* during all ops except TX pckt processing */
	
spinlock_t tx_lock;	/* during fs_start_xmit and fs_tx         */
	
struct fs_platform_info *fpi;
	
const struct fs_ops *ops;
	

int rx_ring, tx_ring;
	
dma_addr_t ring_mem_addr;
	
void __iomem *ring_base;
	
struct sk_buff **rx_skbuff;
	
struct sk_buff **tx_skbuff;
	
char *mapped_as_page;
	
cbd_t __iomem *rx_bd_base;	/* Address of Rx and Tx buffers.    */
	
cbd_t __iomem *tx_bd_base;
	
cbd_t __iomem *dirty_tx;	/* ring entries to be free()ed.     */
	
cbd_t __iomem *cur_rx;
	
cbd_t __iomem *cur_tx;
	
int tx_free;
	
struct timer_list phy_timer_list;
	
const struct phy_info *phy;
	
u32 msg_enable;
	
struct mii_if_info mii_if;
	
unsigned int last_mii_status;
	
int interrupt;

	


int oldduplex, oldspeed, oldlink;	/* current settings */

	/* event masks */
	
u32 ev_napi;		/* mask of NAPI events */
	
u32 ev;			/* event mask          */
	
u32 ev_err;		/* error event mask       */

	
u16 bd_rx_empty;	/* mask of BD rx empty    */
	
u16 bd_rx_err;		/* mask of BD rx errors   */

	union {
		struct {
			
int idx;		/* FEC1 = 0, FEC2 = 1  */
			
void __iomem *fecp;	/* hw registers        */
			

u32 hthi, htlo;		/* state for multicast */
		} 
fec;

		struct {
			
int idx;		/* FCC1-3 = 0-2        */
			
void __iomem *fccp;	/* hw registers        */
			
void __iomem *ep;	/* parameter ram       */
			
void __iomem *fcccp;	/* hw registers cont.  */
			
void __iomem *mem;	/* FCC DPRAM */
			

u32 gaddrh, gaddrl;	/* group address       */
		} 
fcc;

		struct {
			
int idx;		/* FEC1 = 0, FEC2 = 1  */
			
void __iomem *sccp;	/* hw registers        */
			
void __iomem *ep;	/* parameter ram       */
			

u32 hthi, htlo;		/* state for multicast */
		} 
scc;

	};
};

/***************************************************************************/

void fs_init_bds(struct net_device *dev);
void fs_cleanup_bds(struct net_device *dev);

/***************************************************************************/


#define DRV_MODULE_NAME		"fs_enet"

#define PFX DRV_MODULE_NAME ": "

#define DRV_MODULE_VERSION	"1.1"

#define DRV_MODULE_RELDATE	"Sep 22, 2014"

/***************************************************************************/

int fs_enet_platform_init(void);
void fs_enet_platform_cleanup(void);

/***************************************************************************/
/* buffer descriptor access macros */

/* access macros */
#if defined(CONFIG_CPM1)
/* for a a CPM1 __raw_xxx's are sufficient */

#define __cbd_out32(addr, x)	__raw_writel(x, addr)

#define __cbd_out16(addr, x)	__raw_writew(x, addr)

#define __cbd_in32(addr)	__raw_readl(addr)

#define __cbd_in16(addr)	__raw_readw(addr)
#else
/* for others play it safe */

#define __cbd_out32(addr, x)	out_be32(addr, x)

#define __cbd_out16(addr, x)	out_be16(addr, x)

#define __cbd_in32(addr)	in_be32(addr)

#define __cbd_in16(addr)	in_be16(addr)
#endif

/* write */

#define CBDW_SC(_cbd, _sc) 		__cbd_out16(&(_cbd)->cbd_sc, (_sc))

#define CBDW_DATLEN(_cbd, _datlen)	__cbd_out16(&(_cbd)->cbd_datlen, (_datlen))

#define CBDW_BUFADDR(_cbd, _bufaddr)	__cbd_out32(&(_cbd)->cbd_bufaddr, (_bufaddr))

/* read */

#define CBDR_SC(_cbd) 			__cbd_in16(&(_cbd)->cbd_sc)

#define CBDR_DATLEN(_cbd)		__cbd_in16(&(_cbd)->cbd_datlen)

#define CBDR_BUFADDR(_cbd)		__cbd_in32(&(_cbd)->cbd_bufaddr)

/* set bits */

#define CBDS_SC(_cbd, _sc) 		CBDW_SC(_cbd, CBDR_SC(_cbd) | (_sc))

/* clear bits */

#define CBDC_SC(_cbd, _sc) 		CBDW_SC(_cbd, CBDR_SC(_cbd) & ~(_sc))

/*******************************************************************/

extern const struct fs_ops fs_fec_ops;
extern const struct fs_ops fs_fcc_ops;
extern const struct fs_ops fs_scc_ops;

/*******************************************************************/

#endif

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