/* * 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_NAPI_WEIGHT (GELIC_NET_RX_DESCRIPTORS) #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 extention 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 = 0x0000000000000002L, GELIC_LV1_VLAN_TX_WIRELESS = 0x0000000000000003L, /* for incoming packets */ GELIC_LV1_VLAN_RX_ETHERNET = 0x0000000000000012L, GELIC_LV1_VLAN_RX_WIRELESS = 0x0000000000000013L }; /* size of hardware part of gelic descriptor */ #define GELIC_DESCR_SIZE (32) enum gelic_port_type { GELIC_PORT_ETHERNET = 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; int rx_dma_restart_required; int rx_csum; /* * 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 semaphore updown_lock; atomic_t users; u64 ether_port_status; /* 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; } static inline struct net_device *port_to_netdev(struct gelic_port *p) { return p->netdev; } static inline struct gelic_card *netdev_card(struct net_device *d) { return ((struct gelic_port *)netdev_priv(d))->card; } static inline struct gelic_port *netdev_port(struct net_device *d) { return (struct gelic_port *)netdev_priv(d); } static inline struct device *ctodev(struct gelic_card *card) { return &card->dev->core; } static inline u64 bus_id(struct gelic_card *card) { return card->dev->bus_id; } static inline u64 dev_id(struct gelic_card *card) { return card->dev->dev_id; } static inline void *port_priv(struct gelic_port *port) { return port->priv; } extern int gelic_card_set_irq_mask(struct gelic_card *card, u64 mask); /* shared netdev ops */ extern void gelic_card_up(struct gelic_card *card); extern void gelic_card_down(struct gelic_card *card); extern int gelic_net_open(struct net_device *netdev); extern int gelic_net_stop(struct net_device *netdev); extern int gelic_net_xmit(struct sk_buff *skb, struct net_device *netdev); extern void gelic_net_set_multi(struct net_device *netdev); extern void gelic_net_tx_timeout(struct net_device *netdev); extern int gelic_net_change_mtu(struct net_device *netdev, int new_mtu); extern int gelic_net_setup_netdev(struct net_device *netdev, struct gelic_card *card); /* shared ethtool ops */ extern void gelic_net_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *info); extern u32 gelic_net_get_rx_csum(struct net_device *netdev); extern int gelic_net_set_rx_csum(struct net_device *netdev, u32 data); extern void gelic_net_poll_controller(struct net_device *netdev); #endif /* _GELIC_NET_H */