net: use bitrev8
Use bitrev8 for bmac, mace, macmace, macsonic, and skfp drivers. [akpm@osdl.org: use the API, not the array] Cc: Jeff Garzik <jgarzik@pobox.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Mirko Lindner <mlindner@syskonnect.de> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Родитель
079ca7da1e
Коммит
bc63eb9c7e
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@ -2546,6 +2546,7 @@ config DEFXX
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config SKFP
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tristate "SysKonnect FDDI PCI support"
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depends on FDDI && PCI
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select BITREVERSE
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---help---
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Say Y here if you have a SysKonnect FDDI PCI adapter.
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The following adapters are supported by this driver:
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@ -18,6 +18,7 @@
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#include <linux/init.h>
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#include <linux/spinlock.h>
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#include <linux/crc32.h>
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#include <linux/bitrev.h>
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#include <asm/prom.h>
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#include <asm/dbdma.h>
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#include <asm/io.h>
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@ -140,7 +141,6 @@ static unsigned char *bmac_emergency_rxbuf;
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+ (N_RX_RING + N_TX_RING + 4) * sizeof(struct dbdma_cmd) \
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+ sizeof(struct sk_buff_head))
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static unsigned char bitrev(unsigned char b);
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static int bmac_open(struct net_device *dev);
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static int bmac_close(struct net_device *dev);
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static int bmac_transmit_packet(struct sk_buff *skb, struct net_device *dev);
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@ -586,18 +586,6 @@ bmac_construct_rxbuff(struct sk_buff *skb, volatile struct dbdma_cmd *cp)
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virt_to_bus(addr), 0);
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}
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/* Bit-reverse one byte of an ethernet hardware address. */
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static unsigned char
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bitrev(unsigned char b)
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{
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int d = 0, i;
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for (i = 0; i < 8; ++i, b >>= 1)
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d = (d << 1) | (b & 1);
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return d;
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}
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static void
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bmac_init_tx_ring(struct bmac_data *bp)
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{
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@ -1224,8 +1212,8 @@ bmac_get_station_address(struct net_device *dev, unsigned char *ea)
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{
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reset_and_select_srom(dev);
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data = read_srom(dev, i + EnetAddressOffset/2, SROMAddressBits);
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ea[2*i] = bitrev(data & 0x0ff);
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ea[2*i+1] = bitrev((data >> 8) & 0x0ff);
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ea[2*i] = bitrev8(data & 0x0ff);
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ea[2*i+1] = bitrev8((data >> 8) & 0x0ff);
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}
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}
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@ -1315,7 +1303,7 @@ static int __devinit bmac_probe(struct macio_dev *mdev, const struct of_device_i
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rev = addr[0] == 0 && addr[1] == 0xA0;
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for (j = 0; j < 6; ++j)
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dev->dev_addr[j] = rev? bitrev(addr[j]): addr[j];
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dev->dev_addr[j] = rev ? bitrev8(addr[j]): addr[j];
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/* Enable chip without interrupts for now */
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bmac_enable_and_reset_chip(dev);
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@ -15,6 +15,7 @@
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#include <linux/init.h>
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#include <linux/crc32.h>
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#include <linux/spinlock.h>
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#include <linux/bitrev.h>
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#include <asm/prom.h>
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#include <asm/dbdma.h>
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#include <asm/io.h>
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@ -74,7 +75,6 @@ struct mace_data {
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#define PRIV_BYTES (sizeof(struct mace_data) \
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+ (N_RX_RING + NCMDS_TX * N_TX_RING + 3) * sizeof(struct dbdma_cmd))
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static int bitrev(int);
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static int mace_open(struct net_device *dev);
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static int mace_close(struct net_device *dev);
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static int mace_xmit_start(struct sk_buff *skb, struct net_device *dev);
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@ -96,18 +96,6 @@ static void __mace_set_address(struct net_device *dev, void *addr);
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*/
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static unsigned char *dummy_buf;
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/* Bit-reverse one byte of an ethernet hardware address. */
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static inline int
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bitrev(int b)
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{
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int d = 0, i;
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for (i = 0; i < 8; ++i, b >>= 1)
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d = (d << 1) | (b & 1);
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return d;
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}
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static int __devinit mace_probe(struct macio_dev *mdev, const struct of_device_id *match)
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{
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struct device_node *mace = macio_get_of_node(mdev);
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@ -173,7 +161,7 @@ static int __devinit mace_probe(struct macio_dev *mdev, const struct of_device_i
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rev = addr[0] == 0 && addr[1] == 0xA0;
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for (j = 0; j < 6; ++j) {
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dev->dev_addr[j] = rev? bitrev(addr[j]): addr[j];
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dev->dev_addr[j] = rev ? bitrev8(addr[j]): addr[j];
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}
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mp->chipid = (in_8(&mp->mace->chipid_hi) << 8) |
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in_8(&mp->mace->chipid_lo);
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@ -22,6 +22,7 @@
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#include <linux/delay.h>
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#include <linux/string.h>
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#include <linux/crc32.h>
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#include <linux/bitrev.h>
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#include <asm/io.h>
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#include <asm/pgtable.h>
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#include <asm/irq.h>
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@ -81,19 +82,6 @@ static irqreturn_t mace_interrupt(int irq, void *dev_id);
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static irqreturn_t mace_dma_intr(int irq, void *dev_id);
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static void mace_tx_timeout(struct net_device *dev);
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/* Bit-reverse one byte of an ethernet hardware address. */
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static int bitrev(int b)
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{
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int d = 0, i;
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for (i = 0; i < 8; ++i, b >>= 1) {
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d = (d << 1) | (b & 1);
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}
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return d;
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}
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/*
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* Load a receive DMA channel with a base address and ring length
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*/
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@ -219,12 +207,12 @@ struct net_device *mace_probe(int unit)
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addr = (void *)MACE_PROM;
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for (j = 0; j < 6; ++j) {
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u8 v=bitrev(addr[j<<4]);
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u8 v = bitrev8(addr[j<<4]);
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checksum ^= v;
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dev->dev_addr[j] = v;
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}
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for (; j < 8; ++j) {
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checksum ^= bitrev(addr[j<<4]);
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checksum ^= bitrev8(addr[j<<4]);
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}
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if (checksum != 0xFF) {
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@ -121,16 +121,12 @@ enum macsonic_type {
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* For reversing the PROM address
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*/
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static unsigned char nibbletab[] = {0, 8, 4, 12, 2, 10, 6, 14,
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1, 9, 5, 13, 3, 11, 7, 15};
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static inline void bit_reverse_addr(unsigned char addr[6])
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{
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int i;
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for(i = 0; i < 6; i++)
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addr[i] = ((nibbletab[addr[i] & 0xf] << 4) |
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nibbletab[(addr[i] >> 4) &0xf]);
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addr[i] = bitrev8(addr[i]);
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}
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int __init macsonic_init(struct net_device* dev)
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@ -1,83 +0,0 @@
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/******************************************************************************
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*
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* (C)Copyright 1998,1999 SysKonnect,
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* a business unit of Schneider & Koch & Co. Datensysteme GmbH.
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*
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* See the file "skfddi.c" for further information.
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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; either version 2 of the License, or
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* (at your option) any later version.
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*
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* The information in this file is provided "AS IS" without warranty.
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*
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******************************************************************************/
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#ifndef lint
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static const char xID_sccs[] = "@(#)can.c 1.5 97/04/07 (C) SK " ;
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#endif
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/*
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* canonical bit order
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*/
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const u_char canonical[256] = {
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0x00,0x80,0x40,0xc0,0x20,0xa0,0x60,0xe0,
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0x10,0x90,0x50,0xd0,0x30,0xb0,0x70,0xf0,
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0x08,0x88,0x48,0xc8,0x28,0xa8,0x68,0xe8,
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0x18,0x98,0x58,0xd8,0x38,0xb8,0x78,0xf8,
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0x04,0x84,0x44,0xc4,0x24,0xa4,0x64,0xe4,
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0x14,0x94,0x54,0xd4,0x34,0xb4,0x74,0xf4,
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0x0c,0x8c,0x4c,0xcc,0x2c,0xac,0x6c,0xec,
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0x1c,0x9c,0x5c,0xdc,0x3c,0xbc,0x7c,0xfc,
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0x02,0x82,0x42,0xc2,0x22,0xa2,0x62,0xe2,
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0x12,0x92,0x52,0xd2,0x32,0xb2,0x72,0xf2,
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0x0a,0x8a,0x4a,0xca,0x2a,0xaa,0x6a,0xea,
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0x1a,0x9a,0x5a,0xda,0x3a,0xba,0x7a,0xfa,
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0x06,0x86,0x46,0xc6,0x26,0xa6,0x66,0xe6,
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0x16,0x96,0x56,0xd6,0x36,0xb6,0x76,0xf6,
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0x0e,0x8e,0x4e,0xce,0x2e,0xae,0x6e,0xee,
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0x1e,0x9e,0x5e,0xde,0x3e,0xbe,0x7e,0xfe,
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0x01,0x81,0x41,0xc1,0x21,0xa1,0x61,0xe1,
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0x11,0x91,0x51,0xd1,0x31,0xb1,0x71,0xf1,
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0x09,0x89,0x49,0xc9,0x29,0xa9,0x69,0xe9,
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0x19,0x99,0x59,0xd9,0x39,0xb9,0x79,0xf9,
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0x05,0x85,0x45,0xc5,0x25,0xa5,0x65,0xe5,
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0x15,0x95,0x55,0xd5,0x35,0xb5,0x75,0xf5,
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0x0d,0x8d,0x4d,0xcd,0x2d,0xad,0x6d,0xed,
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0x1d,0x9d,0x5d,0xdd,0x3d,0xbd,0x7d,0xfd,
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0x03,0x83,0x43,0xc3,0x23,0xa3,0x63,0xe3,
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0x13,0x93,0x53,0xd3,0x33,0xb3,0x73,0xf3,
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0x0b,0x8b,0x4b,0xcb,0x2b,0xab,0x6b,0xeb,
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0x1b,0x9b,0x5b,0xdb,0x3b,0xbb,0x7b,0xfb,
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0x07,0x87,0x47,0xc7,0x27,0xa7,0x67,0xe7,
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0x17,0x97,0x57,0xd7,0x37,0xb7,0x77,0xf7,
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0x0f,0x8f,0x4f,0xcf,0x2f,0xaf,0x6f,0xef,
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0x1f,0x9f,0x5f,0xdf,0x3f,0xbf,0x7f,0xff
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} ;
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#ifdef MAKE_TABLE
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int byte_reverse(x)
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int x ;
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{
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int y = 0 ;
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if (x & 0x01)
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y |= 0x80 ;
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if (x & 0x02)
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y |= 0x40 ;
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if (x & 0x04)
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y |= 0x20 ;
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if (x & 0x08)
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y |= 0x10 ;
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if (x & 0x10)
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y |= 0x08 ;
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if (x & 0x20)
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y |= 0x04 ;
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if (x & 0x40)
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y |= 0x02 ;
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if (x & 0x80)
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y |= 0x01 ;
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return(y) ;
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}
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#endif
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@ -23,6 +23,7 @@
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#include "h/smc.h"
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#include "h/supern_2.h"
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#include "h/skfbiinc.h"
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#include <linux/bitrev.h>
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#ifndef lint
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static const char ID_sccs[] = "@(#)drvfbi.c 1.63 99/02/11 (C) SK " ;
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@ -445,16 +446,14 @@ void read_address(struct s_smc *smc, u_char *mac_addr)
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char PmdType ;
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int i ;
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extern const u_char canonical[256] ;
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#if (defined(ISA) || defined(MCA))
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for (i = 0; i < 4 ;i++) { /* read mac address from board */
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smc->hw.fddi_phys_addr.a[i] =
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canonical[(inpw(PR_A(i+SA_MAC))&0xff)] ;
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bitrev8(inpw(PR_A(i+SA_MAC)));
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}
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for (i = 4; i < 6; i++) {
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smc->hw.fddi_phys_addr.a[i] =
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canonical[(inpw(PR_A(i+SA_MAC+PRA_OFF))&0xff)] ;
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bitrev8(inpw(PR_A(i+SA_MAC+PRA_OFF)));
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}
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#endif
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#ifdef EISA
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@ -464,17 +463,17 @@ void read_address(struct s_smc *smc, u_char *mac_addr)
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*/
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for (i = 0; i < 4 ;i++) { /* read mac address from board */
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smc->hw.fddi_phys_addr.a[i] =
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canonical[inp(PR_A(i+SA_MAC))] ;
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bitrev8(inp(PR_A(i+SA_MAC)));
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}
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for (i = 4; i < 6; i++) {
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smc->hw.fddi_phys_addr.a[i] =
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canonical[inp(PR_A(i+SA_MAC+PRA_OFF))] ;
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bitrev8(inp(PR_A(i+SA_MAC+PRA_OFF)));
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}
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#endif
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#ifdef PCI
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for (i = 0; i < 6; i++) { /* read mac address from board */
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smc->hw.fddi_phys_addr.a[i] =
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canonical[inp(ADDR(B2_MAC_0+i))] ;
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bitrev8(inp(ADDR(B2_MAC_0+i)));
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}
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#endif
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#ifndef PCI
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@ -493,7 +492,7 @@ void read_address(struct s_smc *smc, u_char *mac_addr)
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if (mac_addr) {
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for (i = 0; i < 6 ;i++) {
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smc->hw.fddi_canon_addr.a[i] = mac_addr[i] ;
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smc->hw.fddi_home_addr.a[i] = canonical[mac_addr[i]] ;
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smc->hw.fddi_home_addr.a[i] = bitrev8(mac_addr[i]);
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}
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return ;
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}
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@ -501,7 +500,7 @@ void read_address(struct s_smc *smc, u_char *mac_addr)
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for (i = 0; i < 6 ;i++) {
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smc->hw.fddi_canon_addr.a[i] =
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canonical[smc->hw.fddi_phys_addr.a[i]] ;
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bitrev8(smc->hw.fddi_phys_addr.a[i]);
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}
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}
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@ -1269,11 +1268,8 @@ void driver_get_bia(struct s_smc *smc, struct fddi_addr *bia_addr)
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{
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int i ;
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extern const u_char canonical[256] ;
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for (i = 0 ; i < 6 ; i++) {
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bia_addr->a[i] = canonical[smc->hw.fddi_phys_addr.a[i]] ;
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}
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for (i = 0 ; i < 6 ; i++)
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bia_addr->a[i] = bitrev8(smc->hw.fddi_phys_addr.a[i]);
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}
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void smt_start_watchdog(struct s_smc *smc)
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@ -22,7 +22,7 @@
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#include "h/fddi.h"
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#include "h/smc.h"
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#include "h/supern_2.h"
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#include "can.c"
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#include <linux/bitrev.h>
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#ifndef lint
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static const char ID_sccs[] = "@(#)fplustm.c 1.32 99/02/23 (C) SK " ;
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@ -1073,7 +1073,7 @@ static struct s_fpmc* mac_get_mc_table(struct s_smc *smc,
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if (can) {
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p = own->a ;
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for (i = 0 ; i < 6 ; i++, p++)
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*p = canonical[*p] ;
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*p = bitrev8(*p);
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}
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slot = NULL;
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for (i = 0, tb = smc->hw.fp.mc.table ; i < FPMAX_MULTICAST ; i++, tb++){
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@ -18,6 +18,7 @@
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#include "h/fddi.h"
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#include "h/smc.h"
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#include "h/smt_p.h"
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#include <linux/bitrev.h>
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#define KERNEL
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#include "h/smtstate.h"
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@ -26,8 +27,6 @@
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static const char ID_sccs[] = "@(#)smt.c 2.43 98/11/23 (C) SK " ;
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#endif
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extern const u_char canonical[256] ;
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/*
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* FC in SMbuf
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*/
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@ -180,7 +179,7 @@ void smt_agent_init(struct s_smc *smc)
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driver_get_bia(smc,&smc->mib.fddiSMTStationId.sid_node) ;
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for (i = 0 ; i < 6 ; i ++) {
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smc->mib.fddiSMTStationId.sid_node.a[i] =
|
||||
canonical[smc->mib.fddiSMTStationId.sid_node.a[i]] ;
|
||||
bitrev8(smc->mib.fddiSMTStationId.sid_node.a[i]);
|
||||
}
|
||||
smc->mib.fddiSMTManufacturerData[0] =
|
||||
smc->mib.fddiSMTStationId.sid_node.a[0] ;
|
||||
|
@ -2049,9 +2048,8 @@ static void hwm_conv_can(struct s_smc *smc, char *data, int len)
|
|||
|
||||
SK_UNUSED(smc) ;
|
||||
|
||||
for (i = len; i ; i--, data++) {
|
||||
*data = canonical[*(u_char *)data] ;
|
||||
}
|
||||
for (i = len; i ; i--, data++)
|
||||
*data = bitrev8(*data);
|
||||
}
|
||||
#endif
|
||||
|
||||
|
|
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Ссылка в новой задаче