| if_rl.c (121939) | if_rl.c (122625) |
|---|---|
| 1/* 2 * Copyright (c) 1997, 1998 3 * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 68 unchanged lines hidden (view full) --- 77 * 78 * The 8129 chip is an older version of the 8139 that uses an external PHY 79 * chip. The 8129 has a serial MDIO interface for accessing the MII where 80 * the 8139 lets you directly access the on-board PHY registers. We need 81 * to select which interface to use depending on the chip type. 82 */ 83 84#include <sys/cdefs.h> | 1/* 2 * Copyright (c) 1997, 1998 3 * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 68 unchanged lines hidden (view full) --- 77 * 78 * The 8129 chip is an older version of the 8139 that uses an external PHY 79 * chip. The 8129 has a serial MDIO interface for accessing the MII where 80 * the 8139 lets you directly access the on-board PHY registers. We need 81 * to select which interface to use depending on the chip type. 82 */ 83 84#include <sys/cdefs.h> |
| 85__FBSDID("$FreeBSD: head/sys/pci/if_rl.c 121939 2003-11-03 09:22:18Z dfr $"); | 85__FBSDID("$FreeBSD: head/sys/pci/if_rl.c 122625 2003-11-13 20:55:53Z obrien $"); |
| 86 87#include <sys/param.h> 88#include <sys/endian.h> 89#include <sys/systm.h> 90#include <sys/sockio.h> 91#include <sys/mbuf.h> 92#include <sys/malloc.h> 93#include <sys/kernel.h> --- 108 unchanged lines hidden (view full) --- 202static void rl_mii_send (struct rl_softc *, u_int32_t, int); 203static int rl_mii_readreg (struct rl_softc *, struct rl_mii_frame *); 204static int rl_mii_writereg (struct rl_softc *, struct rl_mii_frame *); 205 206static int rl_miibus_readreg (device_t, int, int); 207static int rl_miibus_writereg (device_t, int, int, int); 208static void rl_miibus_statchg (device_t); 209 | 86 87#include <sys/param.h> 88#include <sys/endian.h> 89#include <sys/systm.h> 90#include <sys/sockio.h> 91#include <sys/mbuf.h> 92#include <sys/malloc.h> 93#include <sys/kernel.h> --- 108 unchanged lines hidden (view full) --- 202static void rl_mii_send (struct rl_softc *, u_int32_t, int); 203static int rl_mii_readreg (struct rl_softc *, struct rl_mii_frame *); 204static int rl_mii_writereg (struct rl_softc *, struct rl_mii_frame *); 205 206static int rl_miibus_readreg (device_t, int, int); 207static int rl_miibus_writereg (device_t, int, int, int); 208static void rl_miibus_statchg (device_t); 209 |
| 210static u_int8_t rl_calchash (caddr_t); | 210static u_int32_t rl_mchash (caddr_t); |
| 211static void rl_setmulti (struct rl_softc *); 212static void rl_reset (struct rl_softc *); 213static int rl_list_tx_init (struct rl_softc *); 214 215static void rl_dma_map_rxbuf (void *, bus_dma_segment_t *, int, int); 216static void rl_dma_map_txbuf (void *, bus_dma_segment_t *, int, int); 217 218#ifdef RL_USEIOSPACE --- 511 unchanged lines hidden (view full) --- 730 device_t dev; 731{ 732 return; 733} 734 735/* 736 * Calculate CRC of a multicast group address, return the upper 6 bits. 737 */ | 211static void rl_setmulti (struct rl_softc *); 212static void rl_reset (struct rl_softc *); 213static int rl_list_tx_init (struct rl_softc *); 214 215static void rl_dma_map_rxbuf (void *, bus_dma_segment_t *, int, int); 216static void rl_dma_map_txbuf (void *, bus_dma_segment_t *, int, int); 217 218#ifdef RL_USEIOSPACE --- 511 unchanged lines hidden (view full) --- 730 device_t dev; 731{ 732 return; 733} 734 735/* 736 * Calculate CRC of a multicast group address, return the upper 6 bits. 737 */ |
| 738static u_int8_t 739rl_calchash(addr) 740 caddr_t addr; | 738static u_int32_t 739rl_mchash(addr) 740 caddr_t addr; |
| 741{ | 741{ |
| 742 u_int32_t crc, carry; 743 int i, j; 744 u_int8_t c; | 742 u_int32_t crc, carry; 743 int idx, bit; 744 u_int8_t data; |
| 745 746 /* Compute CRC for the address value. */ 747 crc = 0xFFFFFFFF; /* initial value */ 748 | 745 746 /* Compute CRC for the address value. */ 747 crc = 0xFFFFFFFF; /* initial value */ 748 |
| 749 for (i = 0; i < 6; i++) { 750 c = *(addr + i); 751 for (j = 0; j < 8; j++) { 752 carry = ((crc & 0x80000000) ? 1 : 0) ^ (c & 0x01); | 749 for (idx = 0; idx < 6; idx++) { 750 for (data = *addr++, bit = 0; bit < 8; bit++, data >>=1 ) { 751 carry = ((crc & 0x80000000) ? 1 : 0) ^ (data & 0x01); |
| 753 crc <<= 1; | 752 crc <<= 1; |
| 754 c >>= 1; | |
| 755 if (carry) 756 crc = (crc ^ 0x04c11db6) | carry; 757 } 758 } 759 760 /* return the filter bit position */ 761 return(crc >> 26); 762} --- 27 unchanged lines hidden (view full) --- 790 /* first, zot all the existing hash bits */ 791 CSR_WRITE_4(sc, RL_MAR0, 0); 792 CSR_WRITE_4(sc, RL_MAR4, 0); 793 794 /* now program new ones */ 795 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 796 if (ifma->ifma_addr->sa_family != AF_LINK) 797 continue; | 753 if (carry) 754 crc = (crc ^ 0x04c11db6) | carry; 755 } 756 } 757 758 /* return the filter bit position */ 759 return(crc >> 26); 760} --- 27 unchanged lines hidden (view full) --- 788 /* first, zot all the existing hash bits */ 789 CSR_WRITE_4(sc, RL_MAR0, 0); 790 CSR_WRITE_4(sc, RL_MAR4, 0); 791 792 /* now program new ones */ 793 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 794 if (ifma->ifma_addr->sa_family != AF_LINK) 795 continue; |
| 798 h = rl_calchash(LLADDR((struct sockaddr_dl *)ifma->ifma_addr)); | 796 h = rl_mchash(LLADDR((struct sockaddr_dl *)ifma->ifma_addr)); |
| 799 if (h < 32) 800 hashes[0] |= (1 << h); 801 else 802 hashes[1] |= (1 << (h - 32)); 803 mcnt++; 804 } 805 806 if (mcnt) --- 1173 unchanged lines hidden --- | 797 if (h < 32) 798 hashes[0] |= (1 << h); 799 else 800 hashes[1] |= (1 << (h - 32)); 801 mcnt++; 802 } 803 804 if (mcnt) --- 1173 unchanged lines hidden --- |