cregit-Linux how code gets into the kernel

Release 4.7 drivers/net/ethernet/toshiba/ps3_gelic_net.h

Directory: drivers/net/ethernet/toshiba
/*
 *  PS3 Platfom gelic network driver.
 *
 * Copyright (C) 2007 Sony Computer Entertainment Inc.
 * Copyright 2006, 2007 Sony Corporation.
 *
 * This file is based on: spider_net.h
 *
 * (C) Copyright IBM Corp. 2005
 *
 * Authors : Utz Bacher <utz.bacher@de.ibm.com>
 *           Jens Osterkamp <Jens.Osterkamp@de.ibm.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * 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, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
#ifndef _GELIC_NET_H

#define _GELIC_NET_H

/* descriptors */

#define GELIC_NET_RX_DESCRIPTORS        128 
/* num of descriptors */

#define GELIC_NET_TX_DESCRIPTORS        128 
/* num of descriptors */


#define GELIC_NET_MAX_MTU               VLAN_ETH_FRAME_LEN

#define GELIC_NET_MIN_MTU               VLAN_ETH_ZLEN

#define GELIC_NET_RXBUF_ALIGN           128

#define GELIC_CARD_RX_CSUM_DEFAULT      1 
/* hw chksum */

#define GELIC_NET_WATCHDOG_TIMEOUT      5*HZ

#define GELIC_NET_BROADCAST_ADDR        0xffffffffffffL


#define GELIC_NET_MC_COUNT_MAX          32 
/* multicast address list */

/* virtual interrupt status register bits */
	/* INT1 */

#define GELIC_CARD_TX_RAM_FULL_ERR           0x0000000000000001L

#define GELIC_CARD_RX_RAM_FULL_ERR           0x0000000000000002L

#define GELIC_CARD_TX_SHORT_FRAME_ERR        0x0000000000000004L

#define GELIC_CARD_TX_INVALID_DESCR_ERR      0x0000000000000008L

#define GELIC_CARD_RX_FIFO_FULL_ERR          0x0000000000002000L

#define GELIC_CARD_RX_DESCR_CHAIN_END        0x0000000000004000L

#define GELIC_CARD_RX_INVALID_DESCR_ERR      0x0000000000008000L

#define GELIC_CARD_TX_RESPONCE_ERR           0x0000000000010000L

#define GELIC_CARD_RX_RESPONCE_ERR           0x0000000000100000L

#define GELIC_CARD_TX_PROTECTION_ERR         0x0000000000400000L

#define GELIC_CARD_RX_PROTECTION_ERR         0x0000000004000000L

#define GELIC_CARD_TX_TCP_UDP_CHECKSUM_ERR   0x0000000008000000L

#define GELIC_CARD_PORT_STATUS_CHANGED       0x0000000020000000L

#define GELIC_CARD_WLAN_EVENT_RECEIVED       0x0000000040000000L

#define GELIC_CARD_WLAN_COMMAND_COMPLETED    0x0000000080000000L
	/* INT 0 */

#define GELIC_CARD_TX_FLAGGED_DESCR          0x0004000000000000L

#define GELIC_CARD_RX_FLAGGED_DESCR          0x0040000000000000L

#define GELIC_CARD_TX_TRANSFER_END           0x0080000000000000L

#define GELIC_CARD_TX_DESCR_CHAIN_END        0x0100000000000000L

#define GELIC_CARD_NUMBER_OF_RX_FRAME        0x1000000000000000L

#define GELIC_CARD_ONE_TIME_COUNT_TIMER      0x4000000000000000L

#define GELIC_CARD_FREE_RUN_COUNT_TIMER      0x8000000000000000L

/* initial interrupt mask */

#define GELIC_CARD_TXINT	GELIC_CARD_TX_DESCR_CHAIN_END


#define GELIC_CARD_RXINT	(GELIC_CARD_RX_DESCR_CHAIN_END | \
                                 GELIC_CARD_NUMBER_OF_RX_FRAME)

 /* RX descriptor data_status bits */

enum gelic_descr_rx_status {
	
GELIC_DESCR_RXDMADU	= 0x80000000, /* destination MAC addr unknown */
	
GELIC_DESCR_RXLSTFBF	= 0x40000000, /* last frame buffer            */
	
GELIC_DESCR_RXIPCHK	= 0x20000000, /* IP checksum performed        */
	
GELIC_DESCR_RXTCPCHK	= 0x10000000, /* TCP/UDP checksup performed   */
	
GELIC_DESCR_RXWTPKT	= 0x00C00000, /*
                                               * wakeup trigger packet
                                               * 01: Magic Packet (TM)
                                               * 10: ARP packet
                                               * 11: Multicast MAC addr
                                               */
	
GELIC_DESCR_RXVLNPKT	= 0x00200000, /* VLAN packet */
	/* bit 20..16 reserved */
	
GELIC_DESCR_RXRRECNUM	= 0x0000ff00, /* reception receipt number */
	/* bit 7..0 reserved */
};


#define GELIC_DESCR_DATA_STATUS_CHK_MASK	\
	(GELIC_DESCR_RXIPCHK | GELIC_DESCR_RXTCPCHK)

 /* TX descriptor data_status bits */

enum gelic_descr_tx_status {
	
GELIC_DESCR_TX_TAIL	= 0x00000001, /* gelic treated this
                                               * descriptor was end of
                                               * a tx frame
                                               */
};

/* RX descriptor data error bits */

enum gelic_descr_rx_error {
	/* bit 31 reserved */
	
GELIC_DESCR_RXALNERR	= 0x40000000, /* alignement error 10/100M */
	
GELIC_DESCR_RXOVERERR	= 0x20000000, /* oversize error */
	
GELIC_DESCR_RXRNTERR	= 0x10000000, /* Runt error */
	
GELIC_DESCR_RXIPCHKERR	= 0x08000000, /* IP checksum  error */
	
GELIC_DESCR_RXTCPCHKERR	= 0x04000000, /* TCP/UDP checksum  error */
	
GELIC_DESCR_RXDRPPKT	= 0x00100000, /* drop packet */
	
GELIC_DESCR_RXIPFMTERR	= 0x00080000, /* IP packet format error */
	/* bit 18 reserved */
	
GELIC_DESCR_RXDATAERR	= 0x00020000, /* IP packet format error */
	
GELIC_DESCR_RXCALERR	= 0x00010000, /* cariier extension length
                                              * error */
	
GELIC_DESCR_RXCREXERR	= 0x00008000, /* carrier extension error */
	
GELIC_DESCR_RXMLTCST	= 0x00004000, /* multicast address frame */
	/* bit 13..0 reserved */
};

#define GELIC_DESCR_DATA_ERROR_CHK_MASK		\
	(GELIC_DESCR_RXIPCHKERR | GELIC_DESCR_RXTCPCHKERR)

/* DMA command and status (RX and TX)*/

enum gelic_descr_dma_status {
	
GELIC_DESCR_DMA_COMPLETE            = 0x00000000, /* used in tx */
	
GELIC_DESCR_DMA_BUFFER_FULL         = 0x00000000, /* used in rx */
	
GELIC_DESCR_DMA_RESPONSE_ERROR      = 0x10000000, /* used in rx, tx */
	
GELIC_DESCR_DMA_PROTECTION_ERROR    = 0x20000000, /* used in rx, tx */
	
GELIC_DESCR_DMA_FRAME_END           = 0x40000000, /* used in rx */
	
GELIC_DESCR_DMA_FORCE_END           = 0x50000000, /* used in rx, tx */
	
GELIC_DESCR_DMA_CARDOWNED           = 0xa0000000, /* used in rx, tx */
	
GELIC_DESCR_DMA_NOT_IN_USE          = 0xb0000000, /* any other value */
};


#define GELIC_DESCR_DMA_STAT_MASK	(0xf0000000)

/* tx descriptor command and status */

enum gelic_descr_tx_dma_status {
	/* [19] */
	
GELIC_DESCR_TX_DMA_IKE		= 0x00080000, /* IPSEC off */
	/* [18] */
	
GELIC_DESCR_TX_DMA_FRAME_TAIL	= 0x00040000, /* last descriptor of
                                                       * the packet
                                                       */
	/* [17..16] */
	
GELIC_DESCR_TX_DMA_TCP_CHKSUM	= 0x00020000, /* TCP packet */
	
GELIC_DESCR_TX_DMA_UDP_CHKSUM	= 0x00030000, /* UDP packet */
	
GELIC_DESCR_TX_DMA_NO_CHKSUM	= 0x00000000, /* no checksum */

	/* [1] */
	
GELIC_DESCR_TX_DMA_CHAIN_END	= 0x00000002, /* DMA terminated
                                                       * due to chain end
                                                       */
};


#define GELIC_DESCR_DMA_CMD_NO_CHKSUM	\
	(GELIC_DESCR_DMA_CARDOWNED | GELIC_DESCR_TX_DMA_IKE | \
        GELIC_DESCR_TX_DMA_NO_CHKSUM)


#define GELIC_DESCR_DMA_CMD_TCP_CHKSUM	\
	(GELIC_DESCR_DMA_CARDOWNED | GELIC_DESCR_TX_DMA_IKE | \
        GELIC_DESCR_TX_DMA_TCP_CHKSUM)


#define GELIC_DESCR_DMA_CMD_UDP_CHKSUM	\
	(GELIC_DESCR_DMA_CARDOWNED | GELIC_DESCR_TX_DMA_IKE | \
        GELIC_DESCR_TX_DMA_UDP_CHKSUM)


enum gelic_descr_rx_dma_status {
	/* [ 1 ] */
	
GELIC_DESCR_RX_DMA_CHAIN_END	= 0x00000002, /* DMA terminated
                                                       * due to chain end
                                                       */
};

/* for lv1_net_control */

enum gelic_lv1_net_control_code {
	
GELIC_LV1_GET_MAC_ADDRESS	= 1,
	
GELIC_LV1_GET_ETH_PORT_STATUS	= 2,
	
GELIC_LV1_SET_NEGOTIATION_MODE	= 3,
	
GELIC_LV1_GET_VLAN_ID		= 4,
	
GELIC_LV1_SET_WOL		= 5,
	
GELIC_LV1_GET_CHANNEL           = 6,
	
GELIC_LV1_POST_WLAN_CMD		= 9,
	
GELIC_LV1_GET_WLAN_CMD_RESULT	= 10,
	
GELIC_LV1_GET_WLAN_EVENT	= 11,
};

/* for GELIC_LV1_SET_WOL */

enum gelic_lv1_wol_command {
	
GELIC_LV1_WOL_MAGIC_PACKET	= 1,
	
GELIC_LV1_WOL_ADD_MATCH_ADDR	= 6,
	
GELIC_LV1_WOL_DELETE_MATCH_ADDR	= 7,
};

/* for GELIC_LV1_WOL_MAGIC_PACKET */

enum gelic_lv1_wol_mp_arg {
	
GELIC_LV1_WOL_MP_DISABLE	= 0,
	
GELIC_LV1_WOL_MP_ENABLE		= 1,
};

/* for GELIC_LV1_WOL_{ADD,DELETE}_MATCH_ADDR */

enum gelic_lv1_wol_match_arg {
	
GELIC_LV1_WOL_MATCH_INDIVIDUAL	= 0,
	
GELIC_LV1_WOL_MATCH_ALL		= 1,
};

/* status returened from GET_ETH_PORT_STATUS */

enum gelic_lv1_ether_port_status {
	
GELIC_LV1_ETHER_LINK_UP		= 0x0000000000000001L,
	
GELIC_LV1_ETHER_FULL_DUPLEX	= 0x0000000000000002L,
	
GELIC_LV1_ETHER_AUTO_NEG	= 0x0000000000000004L,

	
GELIC_LV1_ETHER_SPEED_10	= 0x0000000000000010L,
	
GELIC_LV1_ETHER_SPEED_100	= 0x0000000000000020L,
	
GELIC_LV1_ETHER_SPEED_1000	= 0x0000000000000040L,
	
GELIC_LV1_ETHER_SPEED_MASK	= 0x0000000000000070L,
};


enum gelic_lv1_vlan_index {
	/* for outgoing packets */
	
GELIC_LV1_VLAN_TX_ETHERNET_0	= 0x0000000000000002L,
	
GELIC_LV1_VLAN_TX_WIRELESS	= 0x0000000000000003L,

	/* for incoming packets */
	
GELIC_LV1_VLAN_RX_ETHERNET_0	= 0x0000000000000012L,
	
GELIC_LV1_VLAN_RX_WIRELESS	= 0x0000000000000013L,
};


enum gelic_lv1_phy {
	
GELIC_LV1_PHY_ETHERNET_0	= 0x0000000000000002L,
};

/* size of hardware part of gelic descriptor */

#define GELIC_DESCR_SIZE	(32)


enum gelic_port_type {
	
GELIC_PORT_ETHERNET_0	= 0,
	
GELIC_PORT_WIRELESS	= 1,
	
GELIC_PORT_MAX
};


struct gelic_descr {
	/* as defined by the hardware */
	
__be32 buf_addr;
	
__be32 buf_size;
	
__be32 next_descr_addr;
	
__be32 dmac_cmd_status;
	
__be32 result_size;
	
__be32 valid_size;	/* all zeroes for tx */
	
__be32 data_status;
	
__be32 data_error;	/* all zeroes for tx */

	/* used in the driver */
	
struct sk_buff *skb;
	
dma_addr_t bus_addr;
	
struct gelic_descr *next;
	
struct gelic_descr *prev;
} __attribute__((aligned(32)));


struct gelic_descr_chain {
	/* we walk from tail to head */
	
struct gelic_descr *head;
	
struct gelic_descr *tail;
};


struct gelic_vlan_id {
	
u16 tx;
	
u16 rx;
};


struct gelic_card {
	
struct napi_struct napi;
	
struct net_device *netdev[GELIC_PORT_MAX];
	/*
         * hypervisor requires irq_status should be
         * 8 bytes aligned, but u64 member is
         * always disposed in that manner
         */
	
u64 irq_status;
	
u64 irq_mask;

	
struct ps3_system_bus_device *dev;
	
struct gelic_vlan_id vlan[GELIC_PORT_MAX];
	
int vlan_required;

	
struct gelic_descr_chain tx_chain;
	
struct gelic_descr_chain rx_chain;
	/*
         * tx_lock guards tx descriptor list and
         * tx_dma_progress.
         */
	
spinlock_t tx_lock;
	
int tx_dma_progress;

	
struct work_struct tx_timeout_task;
	
atomic_t tx_timeout_task_counter;
	
wait_queue_head_t waitq;

	/* only first user should up the card */
	
struct mutex updown_lock;
	
atomic_t users;

	
u64 ether_port_status;
	
int link_mode;

	/* original address returned by kzalloc */
	
void *unalign;

	/*
         * each netdevice has copy of irq
         */
	
unsigned int irq;
	

struct gelic_descr *tx_top, *rx_top;
	
struct gelic_descr descr[0]; /* must be the last */
};


struct gelic_port {
	
struct gelic_card *card;
	
struct net_device *netdev;
	
enum gelic_port_type type;
	
long priv[0]; /* long for alignment */
};




static inline struct gelic_card *port_to_card(struct gelic_port *p)
{
	return p->card;
}

Contributors
PersonTokensPropCommitsCommitProp
mokuno masakazumokuno masakazu19100.00%1100.00%


Total19100.00%1100.00%






static inline struct net_device *port_to_netdev(struct gelic_port *p)
{
	return p->netdev;
}

Contributors
PersonTokensPropCommitsCommitProp
mokuno masakazumokuno masakazu19100.00%1100.00%


Total19100.00%1100.00%






static inline struct gelic_card *netdev_card(struct net_device *d)
{
	return ((struct gelic_port *)netdev_priv(d))->card;
}

Contributors
PersonTokensPropCommitsCommitProp
mokuno masakazumokuno masakazu29100.00%1100.00%


Total29100.00%1100.00%






static inline struct gelic_port *netdev_port(struct net_device *d)
{
	return (struct gelic_port *)netdev_priv(d);
}

Contributors
PersonTokensPropCommitsCommitProp
mokuno masakazumokuno masakazu25100.00%1100.00%


Total25100.00%1100.00%






static inline struct device *ctodev(struct gelic_card *card)
{
	return &card->dev->core;
}

Contributors
PersonTokensPropCommitsCommitProp
mokuno masakazumokuno masakazu22100.00%1100.00%


Total22100.00%1100.00%






static inline u64 bus_id(struct gelic_card *card)
{
	return card->dev->bus_id;
}

Contributors
PersonTokensPropCommitsCommitProp
mokuno masakazumokuno masakazu19100.00%1100.00%


Total19100.00%1100.00%






static inline u64 dev_id(struct gelic_card *card)
{
	return card->dev->dev_id;
}


Contributors
PersonTokensPropCommitsCommitProp
mokuno masakazumokuno masakazu19100.00%1100.00%


Total19100.00%1100.00%






static inline void *port_priv(struct gelic_port *port)
{
	return port->priv;
}


Contributors
PersonTokensPropCommitsCommitProp
mokuno masakazumokuno masakazu18100.00%1100.00%


Total18100.00%1100.00%



#ifdef CONFIG_PPC_EARLY_DEBUG_PS3GELIC
void udbg_shutdown_ps3gelic(void);
#else



static inline void udbg_shutdown_ps3gelic(void) {}

Contributors
PersonTokensPropCommitsCommitProp
hector martinhector martin8100.00%1100.00%


Total8100.00%1100.00%



#endif

int gelic_card_set_irq_mask(struct gelic_card *card, u64 mask);
/* shared netdev ops */
void gelic_card_up(struct gelic_card *card);
void gelic_card_down(struct gelic_card *card);
int gelic_net_open(struct net_device *netdev);
int gelic_net_stop(struct net_device *netdev);
int gelic_net_xmit(struct sk_buff *skb, struct net_device *netdev);
void gelic_net_set_multi(struct net_device *netdev);
void gelic_net_tx_timeout(struct net_device *netdev);
int gelic_net_change_mtu(struct net_device *netdev, int new_mtu);
int gelic_net_setup_netdev(struct net_device *netdev, struct gelic_card *card);

/* shared ethtool ops */
void gelic_net_get_drvinfo(struct net_device *netdev,
			   struct ethtool_drvinfo *info);
void gelic_net_poll_controller(struct net_device *netdev);

#endif /* _GELIC_NET_H */

Overall Contributors
PersonTokensPropCommitsCommitProp
mokuno masakazumokuno masakazu105996.27%857.14%


hector martinhector martin211.91%17.14%


geoffrey levandgeoffrey levand141.27%17.14%


hideyuki sasakihideyuki sasaki30.27%17.14%


stephen hemmingerstephen hemminger10.09%17.14%


lucas de marchilucas de marchi10.09%17.14%


daniel walkerdaniel walker10.09%17.14%


Total1100100.00%14100.00%

  
Directory: drivers/net/ethernet/toshiba



Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
{% endraw %}