110 lines
3.4 KiB
C
110 lines
3.4 KiB
C
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/****************************************************************************
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* Copyright(c) 2000-2001 Broadcom Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation.
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*
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* Name: nicext.h
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*
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* Description: Broadcom Network Interface Card Extension (NICE) is an
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* extension to Linux NET device kernel mode drivers.
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* NICE is designed to provide additional functionalities,
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* such as receive packet intercept. To support Broadcom NICE,
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* the network device driver can be modified by adding an
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* device ioctl handler and by indicating receiving packets
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* to the NICE receive handler. Broadcom NICE will only be
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* enabled by a NICE-aware intermediate driver, such as
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* Broadcom Advanced Server Program Driver (BASP). When NICE
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* is not enabled, the modified network device drivers
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* functions exactly as other non-NICE aware drivers.
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*
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* Author: Frankie Fan
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*
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* Created: September 17, 2000
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*
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****************************************************************************/
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#ifndef _nicext_h_
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#define _nicext_h_
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/*
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* ioctl for NICE
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*/
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#define SIOCNICE SIOCDEVPRIVATE+7
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/*
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* SIOCNICE:
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*
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* The following structure needs to be less than IFNAMSIZ (16 bytes) because
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* we're overloading ifreq.ifr_ifru.
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*
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* If 16 bytes is not enough, we should consider relaxing this because
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* this is no field after ifr_ifru in the ifreq structure. But we may
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* run into future compatiability problem in case of changing struct ifreq.
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*/
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struct nice_req
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{
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__u32 cmd;
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union
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{
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#ifdef __KERNEL__
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/* cmd = NICE_CMD_SET_RX or NICE_CMD_GET_RX */
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struct
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{
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void (*nrqus1_rx)( struct sk_buff*, void* );
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void* nrqus1_ctx;
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} nrqu_nrqus1;
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/* cmd = NICE_CMD_QUERY_SUPPORT */
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struct
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{
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__u32 nrqus2_magic;
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__u32 nrqus2_support_rx:1;
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__u32 nrqus2_support_vlan:1;
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__u32 nrqus2_support_get_speed:1;
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} nrqu_nrqus2;
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#endif
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/* cmd = NICE_CMD_GET_SPEED */
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struct
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{
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unsigned int nrqus3_speed; /* 0 if link is down, */
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/* otherwise speed in Mbps */
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} nrqu_nrqus3;
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/* cmd = NICE_CMD_BLINK_LED */
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struct
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{
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unsigned int nrqus4_blink_time; /* blink duration in seconds */
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} nrqu_nrqus4;
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} nrq_nrqu;
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};
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#define nrq_rx nrq_nrqu.nrqu_nrqus1.nrqus1_rx
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#define nrq_ctx nrq_nrqu.nrqu_nrqus1.nrqus1_ctx
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#define nrq_support_rx nrq_nrqu.nrqu_nrqus2.nrqus2_support_rx
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#define nrq_magic nrq_nrqu.nrqu_nrqus2.nrqus2_magic
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#define nrq_support_vlan nrq_nrqu.nrqu_nrqus2.nrqus2_support_vlan
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#define nrq_support_get_speed nrq_nrqu.nrqu_nrqus2.nrqus2_support_get_speed
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#define nrq_speed nrq_nrqu.nrqu_nrqus3.nrqus3_speed
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#define nrq_blink_time nrq_nrqu.nrqu_nrqus4.nrqus4_blink_time
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/*
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* magic constants
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*/
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#define NICE_REQUESTOR_MAGIC 0x4543494E /* NICE in ascii */
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#define NICE_DEVICE_MAGIC 0x4E494345 /* ECIN in ascii */
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/*
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* command field
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*/
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#define NICE_CMD_QUERY_SUPPORT 0x00000001
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#define NICE_CMD_SET_RX 0x00000002
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#define NICE_CMD_GET_RX 0x00000003
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#define NICE_CMD_GET_SPEED 0x00000004
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#define NICE_CMD_BLINK_LED 0x00000005
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#endif /* _nicext_h_ */
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