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370 lines
11 KiB
370 lines
11 KiB
/* SPDX-License-Identifier: GPL-2.0-or-later */ |
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/* |
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* PS3 Platfom gelic network driver. |
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* |
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* Copyright (C) 2007 Sony Computer Entertainment Inc. |
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* Copyright 2006, 2007 Sony Corporation. |
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* |
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* This file is based on: spider_net.h |
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* |
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* (C) Copyright IBM Corp. 2005 |
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* |
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* Authors : Utz Bacher <[email protected]> |
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* Jens Osterkamp <[email protected]> |
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*/ |
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#ifndef _GELIC_NET_H |
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#define _GELIC_NET_H |
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/* descriptors */ |
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#define GELIC_NET_RX_DESCRIPTORS 128 /* num of descriptors */ |
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#define GELIC_NET_TX_DESCRIPTORS 128 /* num of descriptors */ |
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#define GELIC_NET_MAX_MTU VLAN_ETH_FRAME_LEN |
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#define GELIC_NET_MIN_MTU VLAN_ETH_ZLEN |
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#define GELIC_NET_RXBUF_ALIGN 128 |
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#define GELIC_CARD_RX_CSUM_DEFAULT 1 /* hw chksum */ |
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#define GELIC_NET_WATCHDOG_TIMEOUT 5*HZ |
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#define GELIC_NET_BROADCAST_ADDR 0xffffffffffffL |
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#define GELIC_NET_MC_COUNT_MAX 32 /* multicast address list */ |
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/* virtual interrupt status register bits */ |
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/* INT1 */ |
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#define GELIC_CARD_TX_RAM_FULL_ERR 0x0000000000000001L |
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#define GELIC_CARD_RX_RAM_FULL_ERR 0x0000000000000002L |
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#define GELIC_CARD_TX_SHORT_FRAME_ERR 0x0000000000000004L |
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#define GELIC_CARD_TX_INVALID_DESCR_ERR 0x0000000000000008L |
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#define GELIC_CARD_RX_FIFO_FULL_ERR 0x0000000000002000L |
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#define GELIC_CARD_RX_DESCR_CHAIN_END 0x0000000000004000L |
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#define GELIC_CARD_RX_INVALID_DESCR_ERR 0x0000000000008000L |
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#define GELIC_CARD_TX_RESPONCE_ERR 0x0000000000010000L |
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#define GELIC_CARD_RX_RESPONCE_ERR 0x0000000000100000L |
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#define GELIC_CARD_TX_PROTECTION_ERR 0x0000000000400000L |
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#define GELIC_CARD_RX_PROTECTION_ERR 0x0000000004000000L |
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#define GELIC_CARD_TX_TCP_UDP_CHECKSUM_ERR 0x0000000008000000L |
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#define GELIC_CARD_PORT_STATUS_CHANGED 0x0000000020000000L |
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#define GELIC_CARD_WLAN_EVENT_RECEIVED 0x0000000040000000L |
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#define GELIC_CARD_WLAN_COMMAND_COMPLETED 0x0000000080000000L |
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/* INT 0 */ |
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#define GELIC_CARD_TX_FLAGGED_DESCR 0x0004000000000000L |
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#define GELIC_CARD_RX_FLAGGED_DESCR 0x0040000000000000L |
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#define GELIC_CARD_TX_TRANSFER_END 0x0080000000000000L |
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#define GELIC_CARD_TX_DESCR_CHAIN_END 0x0100000000000000L |
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#define GELIC_CARD_NUMBER_OF_RX_FRAME 0x1000000000000000L |
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#define GELIC_CARD_ONE_TIME_COUNT_TIMER 0x4000000000000000L |
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#define GELIC_CARD_FREE_RUN_COUNT_TIMER 0x8000000000000000L |
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/* initial interrupt mask */ |
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#define GELIC_CARD_TXINT GELIC_CARD_TX_DESCR_CHAIN_END |
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#define GELIC_CARD_RXINT (GELIC_CARD_RX_DESCR_CHAIN_END | \ |
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GELIC_CARD_NUMBER_OF_RX_FRAME) |
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/* RX descriptor data_status bits */ |
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enum gelic_descr_rx_status { |
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GELIC_DESCR_RXDMADU = 0x80000000, /* destination MAC addr unknown */ |
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GELIC_DESCR_RXLSTFBF = 0x40000000, /* last frame buffer */ |
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GELIC_DESCR_RXIPCHK = 0x20000000, /* IP checksum performed */ |
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GELIC_DESCR_RXTCPCHK = 0x10000000, /* TCP/UDP checksup performed */ |
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GELIC_DESCR_RXWTPKT = 0x00C00000, /* |
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* wakeup trigger packet |
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* 01: Magic Packet (TM) |
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* 10: ARP packet |
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* 11: Multicast MAC addr |
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*/ |
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GELIC_DESCR_RXVLNPKT = 0x00200000, /* VLAN packet */ |
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/* bit 20..16 reserved */ |
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GELIC_DESCR_RXRRECNUM = 0x0000ff00, /* reception receipt number */ |
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/* bit 7..0 reserved */ |
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}; |
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#define GELIC_DESCR_DATA_STATUS_CHK_MASK \ |
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(GELIC_DESCR_RXIPCHK | GELIC_DESCR_RXTCPCHK) |
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/* TX descriptor data_status bits */ |
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enum gelic_descr_tx_status { |
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GELIC_DESCR_TX_TAIL = 0x00000001, /* gelic treated this |
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* descriptor was end of |
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* a tx frame |
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*/ |
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}; |
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/* RX descriptor data error bits */ |
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enum gelic_descr_rx_error { |
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/* bit 31 reserved */ |
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GELIC_DESCR_RXALNERR = 0x40000000, /* alignement error 10/100M */ |
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GELIC_DESCR_RXOVERERR = 0x20000000, /* oversize error */ |
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GELIC_DESCR_RXRNTERR = 0x10000000, /* Runt error */ |
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GELIC_DESCR_RXIPCHKERR = 0x08000000, /* IP checksum error */ |
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GELIC_DESCR_RXTCPCHKERR = 0x04000000, /* TCP/UDP checksum error */ |
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GELIC_DESCR_RXDRPPKT = 0x00100000, /* drop packet */ |
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GELIC_DESCR_RXIPFMTERR = 0x00080000, /* IP packet format error */ |
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/* bit 18 reserved */ |
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GELIC_DESCR_RXDATAERR = 0x00020000, /* IP packet format error */ |
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GELIC_DESCR_RXCALERR = 0x00010000, /* cariier extension length |
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* error */ |
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GELIC_DESCR_RXCREXERR = 0x00008000, /* carrier extension error */ |
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GELIC_DESCR_RXMLTCST = 0x00004000, /* multicast address frame */ |
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/* bit 13..0 reserved */ |
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}; |
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#define GELIC_DESCR_DATA_ERROR_CHK_MASK \ |
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(GELIC_DESCR_RXIPCHKERR | GELIC_DESCR_RXTCPCHKERR) |
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/* DMA command and status (RX and TX)*/ |
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enum gelic_descr_dma_status { |
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GELIC_DESCR_DMA_COMPLETE = 0x00000000, /* used in tx */ |
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GELIC_DESCR_DMA_BUFFER_FULL = 0x00000000, /* used in rx */ |
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GELIC_DESCR_DMA_RESPONSE_ERROR = 0x10000000, /* used in rx, tx */ |
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GELIC_DESCR_DMA_PROTECTION_ERROR = 0x20000000, /* used in rx, tx */ |
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GELIC_DESCR_DMA_FRAME_END = 0x40000000, /* used in rx */ |
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GELIC_DESCR_DMA_FORCE_END = 0x50000000, /* used in rx, tx */ |
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GELIC_DESCR_DMA_CARDOWNED = 0xa0000000, /* used in rx, tx */ |
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GELIC_DESCR_DMA_NOT_IN_USE = 0xb0000000, /* any other value */ |
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}; |
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#define GELIC_DESCR_DMA_STAT_MASK (0xf0000000) |
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/* tx descriptor command and status */ |
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enum gelic_descr_tx_dma_status { |
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/* [19] */ |
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GELIC_DESCR_TX_DMA_IKE = 0x00080000, /* IPSEC off */ |
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/* [18] */ |
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GELIC_DESCR_TX_DMA_FRAME_TAIL = 0x00040000, /* last descriptor of |
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* the packet |
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*/ |
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/* [17..16] */ |
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GELIC_DESCR_TX_DMA_TCP_CHKSUM = 0x00020000, /* TCP packet */ |
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GELIC_DESCR_TX_DMA_UDP_CHKSUM = 0x00030000, /* UDP packet */ |
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GELIC_DESCR_TX_DMA_NO_CHKSUM = 0x00000000, /* no checksum */ |
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/* [1] */ |
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GELIC_DESCR_TX_DMA_CHAIN_END = 0x00000002, /* DMA terminated |
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* due to chain end |
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*/ |
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}; |
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#define GELIC_DESCR_DMA_CMD_NO_CHKSUM \ |
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(GELIC_DESCR_DMA_CARDOWNED | GELIC_DESCR_TX_DMA_IKE | \ |
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GELIC_DESCR_TX_DMA_NO_CHKSUM) |
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#define GELIC_DESCR_DMA_CMD_TCP_CHKSUM \ |
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(GELIC_DESCR_DMA_CARDOWNED | GELIC_DESCR_TX_DMA_IKE | \ |
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GELIC_DESCR_TX_DMA_TCP_CHKSUM) |
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#define GELIC_DESCR_DMA_CMD_UDP_CHKSUM \ |
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(GELIC_DESCR_DMA_CARDOWNED | GELIC_DESCR_TX_DMA_IKE | \ |
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GELIC_DESCR_TX_DMA_UDP_CHKSUM) |
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enum gelic_descr_rx_dma_status { |
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/* [ 1 ] */ |
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GELIC_DESCR_RX_DMA_CHAIN_END = 0x00000002, /* DMA terminated |
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* due to chain end |
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*/ |
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}; |
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/* for lv1_net_control */ |
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enum gelic_lv1_net_control_code { |
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GELIC_LV1_GET_MAC_ADDRESS = 1, |
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GELIC_LV1_GET_ETH_PORT_STATUS = 2, |
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GELIC_LV1_SET_NEGOTIATION_MODE = 3, |
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GELIC_LV1_GET_VLAN_ID = 4, |
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GELIC_LV1_SET_WOL = 5, |
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GELIC_LV1_GET_CHANNEL = 6, |
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GELIC_LV1_POST_WLAN_CMD = 9, |
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GELIC_LV1_GET_WLAN_CMD_RESULT = 10, |
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GELIC_LV1_GET_WLAN_EVENT = 11, |
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}; |
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/* for GELIC_LV1_SET_WOL */ |
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enum gelic_lv1_wol_command { |
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GELIC_LV1_WOL_MAGIC_PACKET = 1, |
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GELIC_LV1_WOL_ADD_MATCH_ADDR = 6, |
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GELIC_LV1_WOL_DELETE_MATCH_ADDR = 7, |
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}; |
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/* for GELIC_LV1_WOL_MAGIC_PACKET */ |
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enum gelic_lv1_wol_mp_arg { |
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GELIC_LV1_WOL_MP_DISABLE = 0, |
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GELIC_LV1_WOL_MP_ENABLE = 1, |
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}; |
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/* for GELIC_LV1_WOL_{ADD,DELETE}_MATCH_ADDR */ |
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enum gelic_lv1_wol_match_arg { |
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GELIC_LV1_WOL_MATCH_INDIVIDUAL = 0, |
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GELIC_LV1_WOL_MATCH_ALL = 1, |
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}; |
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/* status returened from GET_ETH_PORT_STATUS */ |
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enum gelic_lv1_ether_port_status { |
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GELIC_LV1_ETHER_LINK_UP = 0x0000000000000001L, |
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GELIC_LV1_ETHER_FULL_DUPLEX = 0x0000000000000002L, |
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GELIC_LV1_ETHER_AUTO_NEG = 0x0000000000000004L, |
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GELIC_LV1_ETHER_SPEED_10 = 0x0000000000000010L, |
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GELIC_LV1_ETHER_SPEED_100 = 0x0000000000000020L, |
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GELIC_LV1_ETHER_SPEED_1000 = 0x0000000000000040L, |
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GELIC_LV1_ETHER_SPEED_MASK = 0x0000000000000070L, |
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}; |
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enum gelic_lv1_vlan_index { |
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/* for outgoing packets */ |
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GELIC_LV1_VLAN_TX_ETHERNET_0 = 0x0000000000000002L, |
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GELIC_LV1_VLAN_TX_WIRELESS = 0x0000000000000003L, |
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/* for incoming packets */ |
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GELIC_LV1_VLAN_RX_ETHERNET_0 = 0x0000000000000012L, |
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GELIC_LV1_VLAN_RX_WIRELESS = 0x0000000000000013L, |
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}; |
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enum gelic_lv1_phy { |
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GELIC_LV1_PHY_ETHERNET_0 = 0x0000000000000002L, |
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}; |
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/* size of hardware part of gelic descriptor */ |
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#define GELIC_DESCR_SIZE (32) |
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enum gelic_port_type { |
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GELIC_PORT_ETHERNET_0 = 0, |
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GELIC_PORT_WIRELESS = 1, |
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GELIC_PORT_MAX |
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}; |
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struct gelic_descr { |
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/* as defined by the hardware */ |
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__be32 buf_addr; |
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__be32 buf_size; |
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__be32 next_descr_addr; |
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__be32 dmac_cmd_status; |
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__be32 result_size; |
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__be32 valid_size; /* all zeroes for tx */ |
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__be32 data_status; |
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__be32 data_error; /* all zeroes for tx */ |
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/* used in the driver */ |
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struct sk_buff *skb; |
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dma_addr_t bus_addr; |
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struct gelic_descr *next; |
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struct gelic_descr *prev; |
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} __attribute__((aligned(32))); |
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struct gelic_descr_chain { |
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/* we walk from tail to head */ |
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struct gelic_descr *head; |
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struct gelic_descr *tail; |
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}; |
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struct gelic_vlan_id { |
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u16 tx; |
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u16 rx; |
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}; |
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struct gelic_card { |
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struct napi_struct napi; |
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struct net_device *netdev[GELIC_PORT_MAX]; |
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/* |
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* hypervisor requires irq_status should be |
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* 8 bytes aligned, but u64 member is |
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* always disposed in that manner |
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*/ |
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u64 irq_status; |
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u64 irq_mask; |
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struct ps3_system_bus_device *dev; |
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struct gelic_vlan_id vlan[GELIC_PORT_MAX]; |
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int vlan_required; |
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struct gelic_descr_chain tx_chain; |
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struct gelic_descr_chain rx_chain; |
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/* |
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* tx_lock guards tx descriptor list and |
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* tx_dma_progress. |
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*/ |
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spinlock_t tx_lock; |
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int tx_dma_progress; |
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struct work_struct tx_timeout_task; |
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atomic_t tx_timeout_task_counter; |
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wait_queue_head_t waitq; |
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/* only first user should up the card */ |
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struct mutex updown_lock; |
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atomic_t users; |
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u64 ether_port_status; |
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int link_mode; |
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/* original address returned by kzalloc */ |
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void *unalign; |
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/* |
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* each netdevice has copy of irq |
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*/ |
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unsigned int irq; |
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struct gelic_descr *tx_top, *rx_top; |
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struct gelic_descr descr[]; /* must be the last */ |
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}; |
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struct gelic_port { |
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struct gelic_card *card; |
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struct net_device *netdev; |
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enum gelic_port_type type; |
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long priv[]; /* long for alignment */ |
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}; |
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static inline struct gelic_card *port_to_card(struct gelic_port *p) |
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{ |
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return p->card; |
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} |
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static inline struct net_device *port_to_netdev(struct gelic_port *p) |
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{ |
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return p->netdev; |
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} |
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static inline struct gelic_card *netdev_card(struct net_device *d) |
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{ |
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return ((struct gelic_port *)netdev_priv(d))->card; |
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} |
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static inline struct gelic_port *netdev_port(struct net_device *d) |
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{ |
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return (struct gelic_port *)netdev_priv(d); |
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} |
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static inline struct device *ctodev(struct gelic_card *card) |
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{ |
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return &card->dev->core; |
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} |
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static inline u64 bus_id(struct gelic_card *card) |
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{ |
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return card->dev->bus_id; |
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} |
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static inline u64 dev_id(struct gelic_card *card) |
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{ |
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return card->dev->dev_id; |
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} |
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static inline void *port_priv(struct gelic_port *port) |
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{ |
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return port->priv; |
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} |
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#ifdef CONFIG_PPC_EARLY_DEBUG_PS3GELIC |
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void udbg_shutdown_ps3gelic(void); |
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#else |
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static inline void udbg_shutdown_ps3gelic(void) {} |
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#endif |
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int gelic_card_set_irq_mask(struct gelic_card *card, u64 mask); |
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/* shared netdev ops */ |
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void gelic_card_up(struct gelic_card *card); |
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void gelic_card_down(struct gelic_card *card); |
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int gelic_net_open(struct net_device *netdev); |
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int gelic_net_stop(struct net_device *netdev); |
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netdev_tx_t gelic_net_xmit(struct sk_buff *skb, struct net_device *netdev); |
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void gelic_net_set_multi(struct net_device *netdev); |
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void gelic_net_tx_timeout(struct net_device *netdev, unsigned int txqueue); |
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int gelic_net_setup_netdev(struct net_device *netdev, struct gelic_card *card); |
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/* shared ethtool ops */ |
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void gelic_net_get_drvinfo(struct net_device *netdev, |
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struct ethtool_drvinfo *info); |
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void gelic_net_poll_controller(struct net_device *netdev); |
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#endif /* _GELIC_NET_H */
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