drivers/net/ps3_gelic_net.h - kernel/msm-4.19 - Gitiles

 /*
  *  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_NET_RX_CSUM_DEFAULT       1 /* hw chksum */
 #define GELIC_NET_WATCHDOG_TIMEOUT      5*HZ
 #define GELIC_NET_NAPI_WEIGHT           (GELIC_NET_RX_DESCRIPTORS)
 #define GELIC_NET_BROADCAST_ADDR        0xffffffffffffL
 #define GELIC_NET_VLAN_POS              (VLAN_ETH_ALEN * 2)
 #define GELIC_NET_VLAN_MAX              4
 #define GELIC_NET_MC_COUNT_MAX          32 /* multicast address list */

 enum gelic_net_int0_status {
 	GELIC_NET_GDTDCEINT  = 24,
 	GELIC_NET_GRFANMINT  = 28,
 };

 /* GHIINT1STS bits */
 enum gelic_net_int1_status {
 	GELIC_NET_GDADCEINT = 14,
 };

 /* interrupt mask */
 #define GELIC_NET_TXINT                   (1L << (GELIC_NET_GDTDCEINT + 32))

 #define GELIC_NET_RXINT0                  (1L << (GELIC_NET_GRFANMINT + 32))
 #define GELIC_NET_RXINT1                  (1L << GELIC_NET_GDADCEINT)
 #define GELIC_NET_RXINT                   (GELIC_NET_RXINT0 | GELIC_NET_RXINT1)

  /* RX descriptor data_status bits */
 #define GELIC_NET_RXDMADU	0x80000000 /* destination MAC addr unknown */
 #define GELIC_NET_RXLSTFBF	0x40000000 /* last frame buffer            */
 #define GELIC_NET_RXIPCHK	0x20000000 /* IP checksum performed        */
 #define GELIC_NET_RXTCPCHK	0x10000000 /* TCP/UDP checksup performed   */
 #define GELIC_NET_RXIPSPKT	0x08000000 /* IPsec packet   */
 #define GELIC_NET_RXIPSAHPRT	0x04000000 /* IPsec AH protocol performed */
 #define GELIC_NET_RXIPSESPPRT	0x02000000 /* IPsec ESP protocol performed */
 #define GELIC_NET_RXSESPAH	0x01000000 /*
 					    * IPsec ESP protocol auth
 					    * performed
 					    */

 #define GELIC_NET_RXWTPKT	0x00C00000 /*
 					    * wakeup trigger packet
 					    * 01: Magic Packet (TM)
 					    * 10: ARP packet
 					    * 11: Multicast MAC addr
 					    */
 #define GELIC_NET_RXVLNPKT	0x00200000 /* VLAN packet */
 /* bit 20..16 reserved */
 #define GELIC_NET_RXRRECNUM	0x0000ff00 /* reception receipt number */
 #define GELIC_NET_RXRRECNUM_SHIFT	8
 /* bit 7..0 reserved */

 #define GELIC_NET_TXDESC_TAIL		0
 #define GELIC_NET_DATA_STATUS_CHK_MASK	(GELIC_NET_RXIPCHK | GELIC_NET_RXTCPCHK)

 /* RX descriptor data_error bits */
 /* bit 31 reserved */
 #define GELIC_NET_RXALNERR	0x40000000 /* alignement error 10/100M */
 #define GELIC_NET_RXOVERERR	0x20000000 /* oversize error */
 #define GELIC_NET_RXRNTERR	0x10000000 /* Runt error */
 #define GELIC_NET_RXIPCHKERR	0x08000000 /* IP checksum  error */
 #define GELIC_NET_RXTCPCHKERR	0x04000000 /* TCP/UDP checksum  error */
 #define GELIC_NET_RXUMCHSP	0x02000000 /* unmatched sp on sp */
 #define GELIC_NET_RXUMCHSPI	0x01000000 /* unmatched SPI on SAD */
 #define GELIC_NET_RXUMCHSAD	0x00800000 /* unmatched SAD */
 #define GELIC_NET_RXIPSAHERR	0x00400000 /* auth error on AH protocol
 					    * processing */
 #define GELIC_NET_RXIPSESPAHERR	0x00200000 /* auth error on ESP protocol
 					    * processing */
 #define GELIC_NET_RXDRPPKT	0x00100000 /* drop packet */
 #define GELIC_NET_RXIPFMTERR	0x00080000 /* IP packet format error */
 /* bit 18 reserved */
 #define GELIC_NET_RXDATAERR	0x00020000 /* IP packet format error */
 #define GELIC_NET_RXCALERR	0x00010000 /* cariier extension length
 					    * error */
 #define GELIC_NET_RXCREXERR	0x00008000 /* carrier extention error */
 #define GELIC_NET_RXMLTCST	0x00004000 /* multicast address frame */
 /* bit 13..0 reserved */
 #define GELIC_NET_DATA_ERROR_CHK_MASK		\
 	(GELIC_NET_RXIPCHKERR | GELIC_NET_RXTCPCHKERR)


 /* tx descriptor command and status */
 #define GELIC_NET_DMAC_CMDSTAT_NOCS       0xa0080000 /* middle of frame */
 #define GELIC_NET_DMAC_CMDSTAT_TCPCS      0xa00a0000
 #define GELIC_NET_DMAC_CMDSTAT_UDPCS      0xa00b0000
 #define GELIC_NET_DMAC_CMDSTAT_END_FRAME  0x00040000 /* end of frame */

 #define GELIC_NET_DMAC_CMDSTAT_RXDCEIS	  0x00000002 /* descriptor chain end
 						      * interrupt status */

 #define GELIC_NET_DMAC_CMDSTAT_CHAIN_END  0x00000002 /* RXDCEIS:DMA stopped */
 #define GELIC_NET_DESCR_IND_PROC_SHIFT    28
 #define GELIC_NET_DESCR_IND_PROC_MASKO    0x0fffffff


 enum gelic_net_descr_status {
 	GELIC_NET_DESCR_COMPLETE            = 0x00, /* used in tx */
 	GELIC_NET_DESCR_BUFFER_FULL         = 0x00, /* used in rx */
 	GELIC_NET_DESCR_RESPONSE_ERROR      = 0x01, /* used in rx and tx */
 	GELIC_NET_DESCR_PROTECTION_ERROR    = 0x02, /* used in rx and tx */
 	GELIC_NET_DESCR_FRAME_END           = 0x04, /* used in rx */
 	GELIC_NET_DESCR_FORCE_END           = 0x05, /* used in rx and tx */
 	GELIC_NET_DESCR_CARDOWNED           = 0x0a, /* used in rx and tx */
 	GELIC_NET_DESCR_NOT_IN_USE          = 0x0b  /* any other value */
 };
 /* for lv1_net_control */
 #define GELIC_NET_GET_MAC_ADDRESS               0x0000000000000001
 #define GELIC_NET_GET_ETH_PORT_STATUS           0x0000000000000002
 #define GELIC_NET_SET_NEGOTIATION_MODE          0x0000000000000003
 #define GELIC_NET_GET_VLAN_ID                   0x0000000000000004

 #define GELIC_NET_LINK_UP                       0x0000000000000001
 #define GELIC_NET_FULL_DUPLEX                   0x0000000000000002
 #define GELIC_NET_AUTO_NEG                      0x0000000000000004
 #define GELIC_NET_SPEED_10                      0x0000000000000010
 #define GELIC_NET_SPEED_100                     0x0000000000000020
 #define GELIC_NET_SPEED_1000                    0x0000000000000040

 #define GELIC_NET_VLAN_ALL                      0x0000000000000001
 #define GELIC_NET_VLAN_WIRED                    0x0000000000000002
 #define GELIC_NET_VLAN_WIRELESS                 0x0000000000000003
 #define GELIC_NET_VLAN_PSP                      0x0000000000000004
 #define GELIC_NET_VLAN_PORT0                    0x0000000000000010
 #define GELIC_NET_VLAN_PORT1                    0x0000000000000011
 #define GELIC_NET_VLAN_PORT2                    0x0000000000000012
 #define GELIC_NET_VLAN_DAEMON_CLIENT_BSS        0x0000000000000013
 #define GELIC_NET_VLAN_LIBERO_CLIENT_BSS        0x0000000000000014
 #define GELIC_NET_VLAN_NO_ENTRY                 -6

 #define GELIC_NET_PORT                          2 /* for port status */

 /* size of hardware part of gelic descriptor */
 #define GELIC_NET_DESCR_SIZE	(32)
 struct gelic_net_descr {
 	/* as defined by the hardware */
 	u32 buf_addr;
 	u32 buf_size;
 	u32 next_descr_addr;
 	u32 dmac_cmd_status;
 	u32 result_size;
 	u32 valid_size;	/* all zeroes for tx */
 	u32 data_status;
 	u32 data_error;	/* all zeroes for tx */

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

 struct gelic_net_descr_chain {
 	/* we walk from tail to head */
 	struct gelic_net_descr *head;
 	struct gelic_net_descr *tail;
 };

 struct gelic_net_card {
 	struct net_device *netdev;
 	/*
 	 * hypervisor requires irq_status should be
 	 * 8 bytes aligned, but u64 member is
 	 * always disposed in that manner
 	 */
 	u64 irq_status;
 	u64 ghiintmask;

 	struct ps3_system_bus_device *dev;
 	u32 vlan_id[GELIC_NET_VLAN_MAX];
 	int vlan_index;

 	struct gelic_net_descr_chain tx_chain;
 	struct gelic_net_descr_chain rx_chain;
 	int rx_dma_restart_required;
 	/* gurad dmac descriptor chain*/
 	spinlock_t chain_lock;

 	int rx_csum;
 	/* guard tx_dma_progress */
 	spinlock_t tx_dma_lock;
 	int tx_dma_progress;

 	struct work_struct tx_timeout_task;
 	atomic_t tx_timeout_task_counter;
 	wait_queue_head_t waitq;

 	struct gelic_net_descr *tx_top, *rx_top;
 	struct gelic_net_descr descr[0];
 };


 extern unsigned long p_to_lp(long pa);

 #endif /* _GELIC_NET_H */
	/*
	* 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_NET_RX_CSUM_DEFAULT 1 /* hw chksum */
	#define GELIC_NET_WATCHDOG_TIMEOUT 5*HZ
	#define GELIC_NET_NAPI_WEIGHT (GELIC_NET_RX_DESCRIPTORS)
	#define GELIC_NET_BROADCAST_ADDR 0xffffffffffffL
	#define GELIC_NET_VLAN_POS (VLAN_ETH_ALEN * 2)
	#define GELIC_NET_VLAN_MAX 4
	#define GELIC_NET_MC_COUNT_MAX 32 /* multicast address list */

	enum gelic_net_int0_status {
	GELIC_NET_GDTDCEINT = 24,
	GELIC_NET_GRFANMINT = 28,
	};

	/* GHIINT1STS bits */
	enum gelic_net_int1_status {
	GELIC_NET_GDADCEINT = 14,
	};

	/* interrupt mask */
	#define GELIC_NET_TXINT (1L << (GELIC_NET_GDTDCEINT + 32))

	#define GELIC_NET_RXINT0 (1L << (GELIC_NET_GRFANMINT + 32))
	#define GELIC_NET_RXINT1 (1L << GELIC_NET_GDADCEINT)
	#define GELIC_NET_RXINT (GELIC_NET_RXINT0 \| GELIC_NET_RXINT1)

	/* RX descriptor data_status bits */
	#define GELIC_NET_RXDMADU 0x80000000 /* destination MAC addr unknown */
	#define GELIC_NET_RXLSTFBF 0x40000000 /* last frame buffer */
	#define GELIC_NET_RXIPCHK 0x20000000 /* IP checksum performed */
	#define GELIC_NET_RXTCPCHK 0x10000000 /* TCP/UDP checksup performed */
	#define GELIC_NET_RXIPSPKT 0x08000000 /* IPsec packet */
	#define GELIC_NET_RXIPSAHPRT 0x04000000 /* IPsec AH protocol performed */
	#define GELIC_NET_RXIPSESPPRT 0x02000000 /* IPsec ESP protocol performed */
	#define GELIC_NET_RXSESPAH 0x01000000 /*
	* IPsec ESP protocol auth
	* performed
	*/

	#define GELIC_NET_RXWTPKT 0x00C00000 /*
	* wakeup trigger packet
	* 01: Magic Packet (TM)
	* 10: ARP packet
	* 11: Multicast MAC addr
	*/
	#define GELIC_NET_RXVLNPKT 0x00200000 /* VLAN packet */
	/* bit 20..16 reserved */
	#define GELIC_NET_RXRRECNUM 0x0000ff00 /* reception receipt number */
	#define GELIC_NET_RXRRECNUM_SHIFT 8
	/* bit 7..0 reserved */

	#define GELIC_NET_TXDESC_TAIL 0
	#define GELIC_NET_DATA_STATUS_CHK_MASK (GELIC_NET_RXIPCHK \| GELIC_NET_RXTCPCHK)

	/* RX descriptor data_error bits */
	/* bit 31 reserved */
	#define GELIC_NET_RXALNERR 0x40000000 /* alignement error 10/100M */
	#define GELIC_NET_RXOVERERR 0x20000000 /* oversize error */
	#define GELIC_NET_RXRNTERR 0x10000000 /* Runt error */
	#define GELIC_NET_RXIPCHKERR 0x08000000 /* IP checksum error */
	#define GELIC_NET_RXTCPCHKERR 0x04000000 /* TCP/UDP checksum error */
	#define GELIC_NET_RXUMCHSP 0x02000000 /* unmatched sp on sp */
	#define GELIC_NET_RXUMCHSPI 0x01000000 /* unmatched SPI on SAD */
	#define GELIC_NET_RXUMCHSAD 0x00800000 /* unmatched SAD */
	#define GELIC_NET_RXIPSAHERR 0x00400000 /* auth error on AH protocol
	* processing */
	#define GELIC_NET_RXIPSESPAHERR 0x00200000 /* auth error on ESP protocol
	* processing */
	#define GELIC_NET_RXDRPPKT 0x00100000 /* drop packet */
	#define GELIC_NET_RXIPFMTERR 0x00080000 /* IP packet format error */
	/* bit 18 reserved */
	#define GELIC_NET_RXDATAERR 0x00020000 /* IP packet format error */
	#define GELIC_NET_RXCALERR 0x00010000 /* cariier extension length
	* error */
	#define GELIC_NET_RXCREXERR 0x00008000 /* carrier extention error */
	#define GELIC_NET_RXMLTCST 0x00004000 /* multicast address frame */
	/* bit 13..0 reserved */
	#define GELIC_NET_DATA_ERROR_CHK_MASK \
	(GELIC_NET_RXIPCHKERR \| GELIC_NET_RXTCPCHKERR)


	/* tx descriptor command and status */
	#define GELIC_NET_DMAC_CMDSTAT_NOCS 0xa0080000 /* middle of frame */
	#define GELIC_NET_DMAC_CMDSTAT_TCPCS 0xa00a0000
	#define GELIC_NET_DMAC_CMDSTAT_UDPCS 0xa00b0000
	#define GELIC_NET_DMAC_CMDSTAT_END_FRAME 0x00040000 /* end of frame */

	#define GELIC_NET_DMAC_CMDSTAT_RXDCEIS 0x00000002 /* descriptor chain end
	* interrupt status */

	#define GELIC_NET_DMAC_CMDSTAT_CHAIN_END 0x00000002 /* RXDCEIS:DMA stopped */
	#define GELIC_NET_DESCR_IND_PROC_SHIFT 28
	#define GELIC_NET_DESCR_IND_PROC_MASKO 0x0fffffff


	enum gelic_net_descr_status {
	GELIC_NET_DESCR_COMPLETE = 0x00, /* used in tx */
	GELIC_NET_DESCR_BUFFER_FULL = 0x00, /* used in rx */
	GELIC_NET_DESCR_RESPONSE_ERROR = 0x01, /* used in rx and tx */
	GELIC_NET_DESCR_PROTECTION_ERROR = 0x02, /* used in rx and tx */
	GELIC_NET_DESCR_FRAME_END = 0x04, /* used in rx */
	GELIC_NET_DESCR_FORCE_END = 0x05, /* used in rx and tx */
	GELIC_NET_DESCR_CARDOWNED = 0x0a, /* used in rx and tx */
	GELIC_NET_DESCR_NOT_IN_USE = 0x0b /* any other value */
	};
	/* for lv1_net_control */
	#define GELIC_NET_GET_MAC_ADDRESS 0x0000000000000001
	#define GELIC_NET_GET_ETH_PORT_STATUS 0x0000000000000002
	#define GELIC_NET_SET_NEGOTIATION_MODE 0x0000000000000003
	#define GELIC_NET_GET_VLAN_ID 0x0000000000000004

	#define GELIC_NET_LINK_UP 0x0000000000000001
	#define GELIC_NET_FULL_DUPLEX 0x0000000000000002
	#define GELIC_NET_AUTO_NEG 0x0000000000000004
	#define GELIC_NET_SPEED_10 0x0000000000000010
	#define GELIC_NET_SPEED_100 0x0000000000000020
	#define GELIC_NET_SPEED_1000 0x0000000000000040

	#define GELIC_NET_VLAN_ALL 0x0000000000000001
	#define GELIC_NET_VLAN_WIRED 0x0000000000000002
	#define GELIC_NET_VLAN_WIRELESS 0x0000000000000003
	#define GELIC_NET_VLAN_PSP 0x0000000000000004
	#define GELIC_NET_VLAN_PORT0 0x0000000000000010
	#define GELIC_NET_VLAN_PORT1 0x0000000000000011
	#define GELIC_NET_VLAN_PORT2 0x0000000000000012
	#define GELIC_NET_VLAN_DAEMON_CLIENT_BSS 0x0000000000000013
	#define GELIC_NET_VLAN_LIBERO_CLIENT_BSS 0x0000000000000014
	#define GELIC_NET_VLAN_NO_ENTRY -6

	#define GELIC_NET_PORT 2 /* for port status */

	/* size of hardware part of gelic descriptor */
	#define GELIC_NET_DESCR_SIZE (32)
	struct gelic_net_descr {
	/* as defined by the hardware */
	u32 buf_addr;
	u32 buf_size;
	u32 next_descr_addr;
	u32 dmac_cmd_status;
	u32 result_size;
	u32 valid_size; /* all zeroes for tx */
	u32 data_status;
	u32 data_error; /* all zeroes for tx */

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

	struct gelic_net_descr_chain {
	/* we walk from tail to head */
	struct gelic_net_descr *head;
	struct gelic_net_descr *tail;
	};

	struct gelic_net_card {
	struct net_device *netdev;
	/*
	* hypervisor requires irq_status should be
	* 8 bytes aligned, but u64 member is
	* always disposed in that manner
	*/
	u64 irq_status;
	u64 ghiintmask;

	struct ps3_system_bus_device *dev;
	u32 vlan_id[GELIC_NET_VLAN_MAX];
	int vlan_index;

	struct gelic_net_descr_chain tx_chain;
	struct gelic_net_descr_chain rx_chain;
	int rx_dma_restart_required;
	/* gurad dmac descriptor chain*/
	spinlock_t chain_lock;

	int rx_csum;
	/* guard tx_dma_progress */
	spinlock_t tx_dma_lock;
	int tx_dma_progress;

	struct work_struct tx_timeout_task;
	atomic_t tx_timeout_task_counter;
	wait_queue_head_t waitq;

	struct gelic_net_descr tx_top, rx_top;
	struct gelic_net_descr descr[0];
	};


	extern unsigned long p_to_lp(long pa);

	#endif /* _GELIC_NET_H */