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Release 4.11 drivers/net/ethernet/pasemi/pasemi_mac.h

Directory: drivers/net/ethernet/pasemi
/*
 * Copyright (C) 2006 PA Semi, Inc
 *
 * Driver for the PA6T-1682M onchip 1G/10G Ethernet MACs, soft state and
 * hardware register layouts.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

#ifndef PASEMI_MAC_H

#define PASEMI_MAC_H

#include <linux/ethtool.h>
#include <linux/netdevice.h>
#include <linux/spinlock.h>
#include <linux/phy.h>

/* Must be a power of two */

#define RX_RING_SIZE 2048

#define TX_RING_SIZE 4096

#define CS_RING_SIZE (TX_RING_SIZE*2)



#define MAX_CS	2


struct pasemi_mac_txring {
	
struct pasemi_dmachan chan; /* Must be first */
	
spinlock_t	 lock;
	
unsigned int	 size;
	
unsigned int	 next_to_fill;
	
unsigned int	 next_to_clean;
	
struct pasemi_mac_buffer *ring_info;
	
struct pasemi_mac *mac;	/* Needed in intr handler */
	
struct timer_list clean_timer;
};


struct pasemi_mac_rxring {
	
struct pasemi_dmachan chan; /* Must be first */
	
spinlock_t	 lock;
	
u64		*buffers;	/* RX interface buffer ring */
	
dma_addr_t	 buf_dma;
	
unsigned int	 size;
	
unsigned int	 next_to_fill;
	
unsigned int	 next_to_clean;
	
struct pasemi_mac_buffer *ring_info;
	
struct pasemi_mac *mac;	/* Needed in intr handler */
};


struct pasemi_mac_csring {
	
struct pasemi_dmachan chan;
	
unsigned int	size;
	
unsigned int	next_to_fill;
	
int		events[2];
	
int		last_event;
	
int		fun;
};


struct pasemi_mac {
	
struct net_device *netdev;
	
struct pci_dev *pdev;
	
struct pci_dev *dma_pdev;
	
struct pci_dev *iob_pdev;
	
struct napi_struct napi;

	
int		bufsz; /* RX ring buffer size */
	
int		last_cs;
	
int		num_cs;
	
u32		dma_if;
	
u8		type;

#define MAC_TYPE_GMAC	1

#define MAC_TYPE_XAUI	2

	
u8		mac_addr[ETH_ALEN];

	
struct timer_list	rxtimer;

	
struct pasemi_mac_txring *tx;
	
struct pasemi_mac_rxring *rx;
	
struct pasemi_mac_csring *cs[MAX_CS];
	
char		tx_irq_name[10];		/* "eth%d tx" */
	
char		rx_irq_name[10];		/* "eth%d rx" */
	
int	link;
	
int	speed;
	
int	duplex;

	
unsigned int	msg_enable;
};

/* Software status descriptor (ring_info) */

struct pasemi_mac_buffer {
	
struct sk_buff *skb;
	
dma_addr_t	dma;
};


#define TX_DESC(tx, num)	((tx)->chan.ring_virt[(num) & (TX_RING_SIZE-1)])

#define TX_DESC_INFO(tx, num)	((tx)->ring_info[(num) & (TX_RING_SIZE-1)])

#define RX_DESC(rx, num)	((rx)->chan.ring_virt[(num) & (RX_RING_SIZE-1)])

#define RX_DESC_INFO(rx, num)	((rx)->ring_info[(num) & (RX_RING_SIZE-1)])

#define RX_BUFF(rx, num)	((rx)->buffers[(num) & (RX_RING_SIZE-1)])

#define CS_DESC(cs, num)	((cs)->chan.ring_virt[(num) & (CS_RING_SIZE-1)])


#define RING_USED(ring)	(((ring)->next_to_fill - (ring)->next_to_clean) \
                                & ((ring)->size - 1))

#define RING_AVAIL(ring)	((ring->size) - RING_USED(ring))

/* PCI register offsets and formats */


/* MAC CFG register offsets */
enum {
	
PAS_MAC_CFG_PCFG = 0x80,
	
PAS_MAC_CFG_MACCFG = 0x84,
	
PAS_MAC_CFG_ADR0 = 0x8c,
	
PAS_MAC_CFG_ADR1 = 0x90,
	
PAS_MAC_CFG_TXP = 0x98,
	
PAS_MAC_CFG_RMON = 0x100,
	
PAS_MAC_IPC_CHNL = 0x208,
};

/* MAC CFG register fields */

#define PAS_MAC_CFG_PCFG_PE		0x80000000

#define PAS_MAC_CFG_PCFG_CE		0x40000000

#define PAS_MAC_CFG_PCFG_BU		0x20000000

#define PAS_MAC_CFG_PCFG_TT		0x10000000

#define PAS_MAC_CFG_PCFG_TSR_M		0x0c000000

#define PAS_MAC_CFG_PCFG_TSR_10M	0x00000000

#define PAS_MAC_CFG_PCFG_TSR_100M	0x04000000

#define PAS_MAC_CFG_PCFG_TSR_1G		0x08000000

#define PAS_MAC_CFG_PCFG_TSR_10G	0x0c000000

#define PAS_MAC_CFG_PCFG_T24		0x02000000

#define PAS_MAC_CFG_PCFG_PR		0x01000000

#define PAS_MAC_CFG_PCFG_CRO_M		0x00ff0000

#define PAS_MAC_CFG_PCFG_CRO_S	16

#define PAS_MAC_CFG_PCFG_IPO_M		0x0000ff00

#define PAS_MAC_CFG_PCFG_IPO_S	8

#define PAS_MAC_CFG_PCFG_S1		0x00000080

#define PAS_MAC_CFG_PCFG_IO_M		0x00000060

#define PAS_MAC_CFG_PCFG_IO_MAC		0x00000000

#define PAS_MAC_CFG_PCFG_IO_OFF		0x00000020

#define PAS_MAC_CFG_PCFG_IO_IND_ETH	0x00000040

#define PAS_MAC_CFG_PCFG_IO_IND_IP	0x00000060

#define PAS_MAC_CFG_PCFG_LP		0x00000010

#define PAS_MAC_CFG_PCFG_TS		0x00000008

#define PAS_MAC_CFG_PCFG_HD		0x00000004

#define PAS_MAC_CFG_PCFG_SPD_M		0x00000003

#define PAS_MAC_CFG_PCFG_SPD_10M	0x00000000

#define PAS_MAC_CFG_PCFG_SPD_100M	0x00000001

#define PAS_MAC_CFG_PCFG_SPD_1G		0x00000002

#define PAS_MAC_CFG_PCFG_SPD_10G	0x00000003


#define PAS_MAC_CFG_MACCFG_TXT_M	0x70000000

#define PAS_MAC_CFG_MACCFG_TXT_S	28

#define PAS_MAC_CFG_MACCFG_PRES_M	0x0f000000

#define PAS_MAC_CFG_MACCFG_PRES_S	24

#define PAS_MAC_CFG_MACCFG_MAXF_M	0x00ffff00

#define PAS_MAC_CFG_MACCFG_MAXF_S	8

#define PAS_MAC_CFG_MACCFG_MAXF(x)	(((x) << PAS_MAC_CFG_MACCFG_MAXF_S) & \
                                         PAS_MAC_CFG_MACCFG_MAXF_M)

#define PAS_MAC_CFG_MACCFG_MINF_M	0x000000ff

#define PAS_MAC_CFG_MACCFG_MINF_S	0


#define PAS_MAC_CFG_TXP_FCF		0x01000000

#define PAS_MAC_CFG_TXP_FCE		0x00800000

#define PAS_MAC_CFG_TXP_FC		0x00400000

#define PAS_MAC_CFG_TXP_FPC_M		0x00300000

#define PAS_MAC_CFG_TXP_FPC_S		20

#define PAS_MAC_CFG_TXP_FPC(x)		(((x) << PAS_MAC_CFG_TXP_FPC_S) & \
                                         PAS_MAC_CFG_TXP_FPC_M)

#define PAS_MAC_CFG_TXP_RT		0x00080000

#define PAS_MAC_CFG_TXP_BL		0x00040000

#define PAS_MAC_CFG_TXP_SL_M		0x00030000

#define PAS_MAC_CFG_TXP_SL_S		16

#define PAS_MAC_CFG_TXP_SL(x)		(((x) << PAS_MAC_CFG_TXP_SL_S) & \
                                         PAS_MAC_CFG_TXP_SL_M)

#define PAS_MAC_CFG_TXP_COB_M		0x0000f000

#define PAS_MAC_CFG_TXP_COB_S		12

#define PAS_MAC_CFG_TXP_COB(x)		(((x) << PAS_MAC_CFG_TXP_COB_S) & \
                                         PAS_MAC_CFG_TXP_COB_M)

#define PAS_MAC_CFG_TXP_TIFT_M		0x00000f00

#define PAS_MAC_CFG_TXP_TIFT_S		8

#define PAS_MAC_CFG_TXP_TIFT(x)		(((x) << PAS_MAC_CFG_TXP_TIFT_S) & \
                                         PAS_MAC_CFG_TXP_TIFT_M)

#define PAS_MAC_CFG_TXP_TIFG_M		0x000000ff

#define PAS_MAC_CFG_TXP_TIFG_S		0

#define PAS_MAC_CFG_TXP_TIFG(x)		(((x) << PAS_MAC_CFG_TXP_TIFG_S) & \
                                         PAS_MAC_CFG_TXP_TIFG_M)


#define PAS_MAC_RMON(r)			(0x100+(r)*4)


#define PAS_MAC_IPC_CHNL_DCHNO_M	0x003f0000

#define PAS_MAC_IPC_CHNL_DCHNO_S	16

#define PAS_MAC_IPC_CHNL_DCHNO(x)	(((x) << PAS_MAC_IPC_CHNL_DCHNO_S) & \
                                         PAS_MAC_IPC_CHNL_DCHNO_M)

#define PAS_MAC_IPC_CHNL_BCH_M		0x0000003f

#define PAS_MAC_IPC_CHNL_BCH_S		0

#define PAS_MAC_IPC_CHNL_BCH(x)		(((x) << PAS_MAC_IPC_CHNL_BCH_S) & \
                                         PAS_MAC_IPC_CHNL_BCH_M)


#endif /* PASEMI_MAC_H */

Overall Contributors
PersonTokensPropCommitsCommitProp
Olof Johansson65799.10%1381.25%


Stephen Hemminger40.60%16.25%


Joe Perches10.15%16.25%


Jeff Kirsher10.15%16.25%


Total663100.00%16100.00%


Directory: drivers/net/ethernet/pasemi



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