| 1 | /*
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| 2 | * lance.c
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| 3 | *
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| 4 | * This file contains a ethernet device driver for AMD LANCE based ethernet
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| 5 | * cards.
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| 6 | *
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| 7 | * The valid messages and their parameters are:
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| 8 | *
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| 9 | * m_type DL_PORT DL_PROC DL_COUNT DL_MODE DL_ADDR
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| 10 | * |------------+----------+---------+----------+---------+---------|
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| 11 | * | HARDINT | | | | | |
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| 12 | * |------------|----------|---------|----------|---------|---------|
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| 13 | * | DL_WRITE | port nr | proc nr | count | mode | address |
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| 14 | * |------------|----------|---------|----------|---------|---------|
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| 15 | * | DL_WRITEV | port nr | proc nr | count | mode | address |
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| 16 | * |------------|----------|---------|----------|---------|---------|
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| 17 | * | DL_READ | port nr | proc nr | count | | address |
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| 18 | * |------------|----------|---------|----------|---------|---------|
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| 19 | * | DL_READV | port nr | proc nr | count | | address |
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| 20 | * |------------|----------|---------|----------|---------|---------|
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| 21 | * | DL_INIT | port nr | proc nr | mode | | address |
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| 22 | * |------------|----------|---------|----------|---------|---------|
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| 23 | * | DL_GETSTAT | port nr | proc nr | | | address |
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| 24 | * |------------|----------|---------|----------|---------|---------|
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| 25 | * | DL_STOP | port_nr | | | | |
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| 26 | * |------------|----------|---------|----------|---------|---------|
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| 27 | *
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| 28 | * The messages sent are:
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| 29 | *
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| 30 | * m-type DL_POR T DL_PROC DL_COUNT DL_STAT DL_CLCK
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| 31 | * |------------|----------|---------|----------|---------|---------|
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| 32 | * |DL_TASK_REPL| port nr | proc nr | rd-count | err|stat| clock |
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| 33 | * |------------|----------|---------|----------|---------|---------|
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| 34 | *
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| 35 | * m_type m3_i1 m3_i2 m3_ca1
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| 36 | * |------------+---------+-----------+---------------|
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| 37 | * |DL_INIT_REPL| port nr | last port | ethernet addr |
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| 38 | * |------------|---------|-----------|---------------|
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| 39 | *
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| 40 | * Created: Jul 27, 2002 by Kazuya Kodama <kazuya@nii.ac.jp>
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| 41 | * Adapted for Minix 3: Sep 05, 2005 by Joren l'Ami <jwlami@cs.vu.nl>
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| 42 | */
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| 43 |
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| 44 | #define VERBOSE 0
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| 45 |
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| 46 | #include "../drivers.h"
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| 47 |
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| 48 | #include <minix/keymap.h>
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| 49 | #include <net/hton.h>
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| 50 | #include <net/gen/ether.h>
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| 51 | #include <net/gen/eth_io.h>
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| 52 | #include <assert.h>
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| 53 |
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| 54 | #include <minix/syslib.h>
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| 55 | #include <ibm/pci.h>
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| 56 |
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| 57 | #include "lance.h"
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| 58 | /*#include "proc.h"*/
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| 59 |
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| 60 | #include <sys/ioc_memory.h>
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| 61 |
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| 62 | /* new I/O functions in Minix 3 */
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| 63 | #define out_byte( x, y ) sys_outb( x, y )
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| 64 | #define out_word( x, y ) sys_outw( x, y )
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| 65 |
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| 66 | static U8_t in_byte(U16_t port)
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| 67 | {
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| 68 | unsigned long value;
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| 69 | int s;
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| 70 | if ((s=sys_inb(port, &value)) != OK)
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| 71 | printf( "lance: warning, sys_inb failed: %d\n", s );
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| 72 | return (U8_t) value;
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| 73 | }
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| 74 |
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| 75 | static U16_t in_word( U16_t port)
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| 76 | {
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| 77 | unsigned long value;
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| 78 | int s;
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| 79 | if ((s=sys_inw(port, &value)) != OK)
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| 80 | printf( "lance: warning, sys_inw failed: %d\n", s );
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| 81 | return (U16_t) value;
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| 82 | }
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| 83 | /*
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| 84 | #define in_byte( x ) inb( x )
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| 85 | #define in_word( x ) inw( x )
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| 86 | */
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| 87 |
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| 88 | static ether_card_t ec_table[EC_PORT_NR_MAX];
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| 89 | static int eth_tasknr= ANY;
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| 90 | static u16_t eth_ign_proto;
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| 91 |
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| 92 | /* Configuration */
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| 93 | typedef struct ec_conf
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| 94 | {
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| 95 | port_t ec_port;
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| 96 | int ec_irq;
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| 97 | phys_bytes ec_mem;
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| 98 | char *ec_envvar;
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| 99 | } ec_conf_t;
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| 100 |
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| 101 | /* We hardly use these. Just "LANCE0=on/off" "LANCE1=on/off" mean. */
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| 102 | ec_conf_t ec_conf[]= /* Card addresses */
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| 103 | {
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| 104 | /* I/O port, IRQ, Buffer address, Env. var, Buf selector. */
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| 105 | { 0x1000, 9, 0x00000, "LANCE0" },
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| 106 | { 0xD000, 15, 0x00000, "LANCE1" },
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| 107 | };
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| 108 |
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| 109 | /* Actually, we use PCI-BIOS info. */
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| 110 | PRIVATE struct pcitab
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| 111 | {
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| 112 | u16_t vid;
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| 113 | u16_t did;
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| 114 | int checkclass;
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| 115 | } pcitab[]=
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| 116 | {
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| 117 | { PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_LANCE, 0 }, /* AMD LANCE */
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| 118 |
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| 119 | { 0x0000, 0x0000, 0 }
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| 120 | };
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| 121 | /*
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| 122 | struct pci_device pci_dev_list[] = {
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| 123 | { PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_LANCE,
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| 124 | "AMD Lance/PCI", 0, 0, 0, 0, 0, 0},
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| 125 | { PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_LANCE,
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| 126 | "AMD Lance/PCI", 0, 0, 0, 0, 0, 0},
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| 127 | {0, 0, NULL, 0, 0, 0, 0, 0, 0}
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| 128 | };
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| 129 | */
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| 130 |
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| 131 | /* General */
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| 132 | _PROTOTYPE( static void do_init, (message *mp) );
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| 133 | _PROTOTYPE( static void ec_init, (ether_card_t *ec) );
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| 134 | _PROTOTYPE( static void ec_confaddr, (ether_card_t *ec) );
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| 135 | _PROTOTYPE( static void ec_reinit, (ether_card_t *ec) );
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| 136 | _PROTOTYPE( static void ec_check_ints, (ether_card_t *ec) );
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| 137 | _PROTOTYPE( static void conf_hw, (ether_card_t *ec) );
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| 138 | /*_PROTOTYPE( static int ec_handler, (irq_hook_t *hook) );*/
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| 139 | _PROTOTYPE( static void update_conf, (ether_card_t *ec, ec_conf_t *ecp) );
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| 140 | _PROTOTYPE( static void mess_reply, (message *req, message *reply) );
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| 141 | _PROTOTYPE( static void do_int, (ether_card_t *ec) );
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| 142 | _PROTOTYPE( static void reply,
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| 143 | (ether_card_t *ec, int err, int may_block) );
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| 144 | _PROTOTYPE( static void ec_reset, (ether_card_t *ec) );
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| 145 | _PROTOTYPE( static void ec_send, (ether_card_t *ec) );
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| 146 | _PROTOTYPE( static void ec_recv, (ether_card_t *ec) );
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| 147 | _PROTOTYPE( static void do_vwrite,
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| 148 | (message *mp, int from_int, int vectored) );
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| 149 | _PROTOTYPE( static void do_vread, (message *mp, int vectored) );
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| 150 | _PROTOTYPE( static void get_userdata,
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| 151 | (int user_proc, vir_bytes user_addr,
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| 152 | vir_bytes count, void *loc_addr) );
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| 153 | _PROTOTYPE( static void ec_user2nic,
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| 154 | (ether_card_t *dep, iovec_dat_t *iovp,
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| 155 | vir_bytes offset, int nic_addr,
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| 156 | vir_bytes count) );
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| 157 | _PROTOTYPE( static void ec_nic2user,
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| 158 | (ether_card_t *ec, int nic_addr,
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| 159 | iovec_dat_t *iovp, vir_bytes offset,
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| 160 | vir_bytes count) );
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| 161 | _PROTOTYPE( static int calc_iovec_size, (iovec_dat_t *iovp) );
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| 162 | _PROTOTYPE( static void ec_next_iovec, (iovec_dat_t *iovp) );
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| 163 | _PROTOTYPE( static void do_getstat, (message *mp) );
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| 164 | _PROTOTYPE( static void put_userdata,
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| 165 | (int user_proc,
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| 166 | vir_bytes user_addr, vir_bytes count,
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| 167 | void *loc_addr) );
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| 168 | _PROTOTYPE( static void do_stop, (message *mp) );
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| 169 | _PROTOTYPE( static void do_getname, (message *mp) );
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| 170 |
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| 171 | _PROTOTYPE( static void lance_dump, (void) );
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| 172 | _PROTOTYPE( static void lance_stop, (void) );
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| 173 | _PROTOTYPE( static void getAddressing, (int devind, ether_card_t *ec) );
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| 174 |
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| 175 | /* probe+init LANCE cards */
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| 176 | _PROTOTYPE( static int lance_probe, (ether_card_t *ec) );
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| 177 | _PROTOTYPE( static void lance_init_card, (ether_card_t *ec) );
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| 178 |
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| 179 | /* --- LANCE --- */
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| 180 | /* General */
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| 181 | #define Address unsigned long
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| 182 |
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| 183 |
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| 184 | /* Minix 3 */
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| 185 | #define virt_to_bus(x) (vir2phys((unsigned long)x))
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| 186 | unsigned long vir2phys( unsigned long x )
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| 187 | {
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| 188 | int r;
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| 189 | unsigned long value;
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| 190 |
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| 191 | if ( (r=sys_umap( SELF, D, x, 4, &value )) != OK )
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| 192 | panic( "lance", "sys_umap failed", r );
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| 193 |
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| 194 | return value;
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| 195 | }
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| 196 |
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| 197 | /* DMA limitations */
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| 198 | #define DMA_ADDR_MASK 0xFFFFFF /* mask to verify DMA address is 24-bit */
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| 199 |
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| 200 | #define CORRECT_DMA_MEM() ( (virt_to_bus(lance + sizeof(lance)) & ~DMA_ADDR_MASK) == 0 )
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| 201 |
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| 202 | #define ETH_FRAME_LEN 1518
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| 203 |
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| 204 | #define LANCE_MUST_PAD 0x00000001
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| 205 | #define LANCE_ENABLE_AUTOSELECT 0x00000002
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| 206 | #define LANCE_SELECT_PHONELINE 0x00000004
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| 207 | #define LANCE_MUST_UNRESET 0x00000008
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| 208 |
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| 209 | static const struct lance_chip_type
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| 210 | {
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| 211 | int id_number;
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| 212 | const char *name;
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| 213 | int flags;
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| 214 | } chip_table[] = {
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| 215 | {0x0000, "LANCE 7990", /* Ancient lance chip. */
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| 216 | LANCE_MUST_PAD + LANCE_MUST_UNRESET},
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| 217 | {0x0003, "PCnet/ISA 79C960", /* 79C960 PCnet/ISA. */
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| 218 | LANCE_ENABLE_AUTOSELECT},
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| 219 | {0x2260, "PCnet/ISA+ 79C961", /* 79C961 PCnet/ISA+, Plug-n-Play. */
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| 220 | LANCE_ENABLE_AUTOSELECT},
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| 221 | {0x2420, "PCnet/PCI 79C970", /* 79C970 or 79C974 PCnet-SCSI, PCI. */
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| 222 | LANCE_ENABLE_AUTOSELECT},
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| 223 | {0x2430, "PCnet32", /* 79C965 PCnet for VL bus. */
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| 224 | LANCE_ENABLE_AUTOSELECT},
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| 225 | {0x2621, "PCnet/PCI-II 79C970A", /* 79C970A PCInetPCI II. */
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| 226 | LANCE_ENABLE_AUTOSELECT},
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| 227 | {0x2625, "PCnet-FAST III 79C973",/* 79C973 PCInet-FAST III. */
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| 228 | LANCE_ENABLE_AUTOSELECT},
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| 229 | {0x2626, "PCnet/HomePNA 79C978",
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| 230 | LANCE_ENABLE_AUTOSELECT|LANCE_SELECT_PHONELINE},
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| 231 | {0x0, "PCnet (unknown)",
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| 232 | LANCE_ENABLE_AUTOSELECT},
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| 233 | };
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| 234 |
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| 235 | /* ############## for LANCE device ############## */
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| 236 | #define LANCE_ETH_ADDR 0x0
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| 237 | #define LANCE_DATA 0x10
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| 238 | #define LANCE_ADDR 0x12
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| 239 | #define LANCE_RESET 0x14
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| 240 | #define LANCE_BUS_IF 0x16
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| 241 | #define LANCE_TOTAL_SIZE 0x18
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| 242 |
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| 243 | /* Use 2^4=16 {Rx,Tx} buffers */
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| 244 | #define LANCE_LOG_RX_BUFFERS 4
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| 245 | #define RX_RING_SIZE (1 << (LANCE_LOG_RX_BUFFERS))
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| 246 | #define RX_RING_MOD_MASK (RX_RING_SIZE - 1)
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| 247 | #define RX_RING_LEN_BITS ((LANCE_LOG_RX_BUFFERS) << 29)
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| 248 |
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| 249 | #define LANCE_LOG_TX_BUFFERS 4
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| 250 | #define TX_RING_SIZE (1 << (LANCE_LOG_TX_BUFFERS))
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| 251 | #define TX_RING_MOD_MASK (TX_RING_SIZE - 1)
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| 252 | #define TX_RING_LEN_BITS ((LANCE_LOG_TX_BUFFERS) << 29)
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| 253 |
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| 254 | /* for lance_interface */
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| 255 | struct lance_init_block
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| 256 | {
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| 257 | unsigned short mode;
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| 258 | unsigned char phys_addr[6];
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| 259 | unsigned long filter[2];
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| 260 | Address rx_ring;
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| 261 | Address tx_ring;
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| 262 | };
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| 263 |
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| 264 | struct lance_rx_head
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| 265 | {
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| 266 | union {
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| 267 | Address base;
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| 268 | unsigned char addr[4];
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| 269 | } u;
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| 270 | short buf_length; /* 2s complement */
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| 271 | short msg_length;
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| 272 | };
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| 273 |
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| 274 | struct lance_tx_head
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| 275 | {
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| 276 | union {
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| 277 | Address base;
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| 278 | unsigned char addr[4];
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| 279 | } u;
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| 280 | short buf_length; /* 2s complement */
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| 281 | short misc;
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| 282 | };
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| 283 |
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| 284 | struct lance_interface
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| 285 | {
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| 286 | struct lance_init_block init_block;
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| 287 | struct lance_rx_head rx_ring[RX_RING_SIZE];
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| 288 | struct lance_tx_head tx_ring[TX_RING_SIZE];
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| 289 | unsigned char rbuf[RX_RING_SIZE][ETH_FRAME_LEN];
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| 290 | unsigned char tbuf[TX_RING_SIZE][ETH_FRAME_LEN];
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| 291 | };
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| 292 |
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| 293 | /* =============== global variables =============== */
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| 294 | static struct lance_interface *lp;
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| 295 | static char lance[sizeof(struct lance_interface)+8];
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| 296 | static int rx_slot_nr = 0; /* Rx-slot number */
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| 297 | static int tx_slot_nr = 0; /* Tx-slot number */
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| 298 | static int cur_tx_slot_nr = 0; /* Tx-slot number */
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| 299 | static char isstored[TX_RING_SIZE]; /* Tx-slot in-use */
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| 300 | static char *progname;
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| 301 |
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| 302 |
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| 303 | /*===========================================================================*
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| 304 | * lance_task *
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| 305 | *===========================================================================*/
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| 306 | void main( int argc, char **argv )
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| 307 | {
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| 308 | message m;
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| 309 | int i,irq,r, tasknr;
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| 310 | ether_card_t *ec;
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| 311 | long v;
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| 312 | int fkeys, sfkeys;
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| 313 | (progname=strrchr(argv[0],'/')) ? progname++ : (progname=argv[0]);
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| 314 |
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| 315 | env_setargs( argc, argv );
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| 316 |
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| 317 | fkeys = sfkeys = 0; bit_set( sfkeys, 7 );
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| 318 |
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| 319 | #if 0
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| 320 | if ( (r = fkey_map(&fkeys, &sfkeys)) != OK )
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| 321 | printf( "Error registering key\n" );
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| 322 | #endif
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| 323 |
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| 324 | if((eth_tasknr=getprocnr()) < 0)
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| 325 | panic("lance","couldn't get own proc nr", i);
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| 326 |
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| 327 | v= 0;
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| 328 | (void) env_parse("ETH_IGN_PROTO", "x", 0, &v, 0x0000L, 0xFFFFL);
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| 329 | eth_ign_proto= htons((u16_t) v);
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| 330 |
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| 331 | /* Try to notify inet that we are present (again) */
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| 332 | r = _pm_findproc("inet", &tasknr);
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| 333 | if (r == OK)
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| 334 | notify(tasknr);
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| 335 |
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| 336 | while (TRUE)
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| 337 | {
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| 338 | for (i=0;i<EC_PORT_NR_MAX;++i)
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| 339 | {
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| 340 | ec= &ec_table[i];
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| 341 | if (ec->ec_irq != 0)
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| 342 | sys_irqenable(&ec->ec_hook);
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| 343 | }
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| 344 |
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| 345 | if ((r= receive(ANY, &m)) != OK)
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| 346 | panic( "lance", "receive failed", r);
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| 347 |
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| 348 | for (i=0;i<EC_PORT_NR_MAX;++i)
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| 349 | {
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| 350 | ec= &ec_table[i];
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| 351 | if (ec->ec_irq != 0)
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| 352 | sys_irqdisable(&ec->ec_hook);
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| 353 | }
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| 354 |
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| 355 | /*printf( "." );*/
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| 356 |
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| 357 | switch (m.m_type){
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| 358 | case DEV_PING: notify(m.m_source); continue;
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| 359 | case DL_WRITE: do_vwrite(&m, FALSE, FALSE); break;
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| 360 | case DL_WRITEV: do_vwrite(&m, FALSE, TRUE); break;
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| 361 | case DL_READ: do_vread(&m, FALSE); break;
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| 362 | case DL_READV: do_vread(&m, TRUE); break;
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| 363 | case DL_INIT: do_init(&m); break;
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| 364 | case DL_GETSTAT: do_getstat(&m); break;
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| 365 | case DL_STOP: do_stop(&m); break;
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| 366 | case DL_GETNAME: do_getname(&m); break;
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| 367 | case FKEY_PRESSED: lance_dump(); break;
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| 368 | /*case HARD_STOP: lance_stop(); break;*/
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| 369 | case SYS_SIG:
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| 370 | {
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| 371 | sigset_t set = m.NOTIFY_ARG;
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| 372 | if ( sigismember( &set, SIGKSTOP ) )
|
|---|
| 373 | lance_stop();
|
|---|
| 374 | }
|
|---|
| 375 | break;
|
|---|
| 376 | case HARD_INT:
|
|---|
| 377 | for (i=0;i<EC_PORT_NR_MAX;++i)
|
|---|
| 378 | {
|
|---|
| 379 | ec= &ec_table[i];
|
|---|
| 380 | if (ec->mode != EC_ENABLED)
|
|---|
| 381 | continue;
|
|---|
| 382 |
|
|---|
| 383 | /*
|
|---|
| 384 | printf( "#.\n" );
|
|---|
| 385 | */
|
|---|
| 386 |
|
|---|
| 387 | irq=ec->ec_irq;
|
|---|
| 388 | /*if (ec->ec_int_pending)*/
|
|---|
| 389 | {
|
|---|
| 390 | ec->ec_int_pending = 0;
|
|---|
| 391 | ec_check_ints(ec);
|
|---|
| 392 | do_int(ec);
|
|---|
| 393 | }
|
|---|
| 394 | }
|
|---|
| 395 | break;
|
|---|
| 396 | case PROC_EVENT:
|
|---|
| 397 | break;
|
|---|
| 398 | default:
|
|---|
| 399 | panic( "lance", "illegal message", m.m_type);
|
|---|
| 400 | }
|
|---|
| 401 | }
|
|---|
| 402 | }
|
|---|
| 403 |
|
|---|
| 404 | /*===========================================================================*
|
|---|
| 405 | * lance_dump *
|
|---|
| 406 | *===========================================================================*/
|
|---|
| 407 | static void lance_dump()
|
|---|
| 408 | {
|
|---|
| 409 | ether_card_t *ec;
|
|---|
| 410 | int i, isr;
|
|---|
| 411 | unsigned short ioaddr;
|
|---|
| 412 |
|
|---|
| 413 | printf("\n");
|
|---|
| 414 | for (i= 0, ec = &ec_table[0]; i<EC_PORT_NR_MAX; i++, ec++)
|
|---|
| 415 | {
|
|---|
| 416 | if (ec->mode == EC_DISABLED)
|
|---|
| 417 | printf("lance port %d is disabled\n", i);
|
|---|
| 418 | else if (ec->mode == EC_SINK)
|
|---|
| 419 | printf("lance port %d is in sink mode\n", i);
|
|---|
| 420 |
|
|---|
| 421 | if (ec->mode != EC_ENABLED)
|
|---|
| 422 | continue;
|
|---|
| 423 |
|
|---|
| 424 | printf("lance statistics of port %d:\n", i);
|
|---|
| 425 |
|
|---|
| 426 | printf("recvErr :%8ld\t", ec->eth_stat.ets_recvErr);
|
|---|
| 427 | printf("sendErr :%8ld\t", ec->eth_stat.ets_sendErr);
|
|---|
| 428 | printf("OVW :%8ld\n", ec->eth_stat.ets_OVW);
|
|---|
| 429 |
|
|---|
| 430 | printf("CRCerr :%8ld\t", ec->eth_stat.ets_CRCerr);
|
|---|
| 431 | printf("frameAll :%8ld\t", ec->eth_stat.ets_frameAll);
|
|---|
| 432 | printf("missedP :%8ld\n", ec->eth_stat.ets_missedP);
|
|---|
| 433 |
|
|---|
| 434 | printf("packetR :%8ld\t", ec->eth_stat.ets_packetR);
|
|---|
| 435 | printf("packetT :%8ld\t", ec->eth_stat.ets_packetT);
|
|---|
| 436 | printf("transDef :%8ld\n", ec->eth_stat.ets_transDef);
|
|---|
| 437 |
|
|---|
| 438 | printf("collision :%8ld\t", ec->eth_stat.ets_collision);
|
|---|
| 439 | printf("transAb :%8ld\t", ec->eth_stat.ets_transAb);
|
|---|
| 440 | printf("carrSense :%8ld\n", ec->eth_stat.ets_carrSense);
|
|---|
| 441 |
|
|---|
| 442 | printf("fifoUnder :%8ld\t", ec->eth_stat.ets_fifoUnder);
|
|---|
| 443 | printf("fifoOver :%8ld\t", ec->eth_stat.ets_fifoOver);
|
|---|
| 444 | printf("CDheartbeat:%8ld\n", ec->eth_stat.ets_CDheartbeat);
|
|---|
| 445 |
|
|---|
| 446 | printf("OWC :%8ld\t", ec->eth_stat.ets_OWC);
|
|---|
| 447 |
|
|---|
| 448 | ioaddr = ec->ec_port;
|
|---|
| 449 | out_word(ioaddr+LANCE_ADDR, 0x00);
|
|---|
| 450 | isr=in_word(ioaddr+LANCE_DATA);
|
|---|
| 451 | printf("isr = 0x%x + 0x%x, flags = 0x%x\n", isr,
|
|---|
| 452 | in_word(ioaddr+LANCE_DATA), ec->flags);
|
|---|
| 453 |
|
|---|
| 454 | printf("irq = %d\tioadr = %d\n", ec->ec_irq, ec->ec_port);
|
|---|
| 455 | }
|
|---|
| 456 | }
|
|---|
| 457 |
|
|---|
| 458 | /*===========================================================================*
|
|---|
| 459 | * lance_stop *
|
|---|
| 460 | *===========================================================================*/
|
|---|
| 461 | static void lance_stop()
|
|---|
| 462 | {
|
|---|
| 463 | message mess;
|
|---|
| 464 | int i;
|
|---|
| 465 |
|
|---|
| 466 | for (i= 0; i<EC_PORT_NR_MAX; i++)
|
|---|
| 467 | {
|
|---|
| 468 | if (ec_table[i].mode != EC_ENABLED)
|
|---|
| 469 | continue;
|
|---|
| 470 | mess.m_type= DL_STOP;
|
|---|
| 471 | mess.DL_PORT= i;
|
|---|
| 472 | do_stop(&mess);
|
|---|
| 473 | }
|
|---|
| 474 |
|
|---|
| 475 | /*printf("LANCE driver stopped.\n");*/
|
|---|
| 476 |
|
|---|
| 477 | sys_exit( 0 );
|
|---|
| 478 | }
|
|---|
| 479 |
|
|---|
| 480 |
|
|---|
| 481 | /*===========================================================================*
|
|---|
| 482 | * do_init *
|
|---|
| 483 | *===========================================================================*/
|
|---|
| 484 | static void do_init(mp)
|
|---|
| 485 | message *mp;
|
|---|
| 486 | {
|
|---|
| 487 | int port;
|
|---|
| 488 | ether_card_t *ec;
|
|---|
| 489 | message reply_mess;
|
|---|
| 490 |
|
|---|
| 491 | pci_init();
|
|---|
| 492 |
|
|---|
| 493 | port = mp->DL_PORT;
|
|---|
| 494 | if (port < 0 || port >= EC_PORT_NR_MAX)
|
|---|
| 495 | {
|
|---|
| 496 | reply_mess.m_type= DL_INIT_REPLY;
|
|---|
| 497 | reply_mess.m3_i1= ENXIO;
|
|---|
| 498 | mess_reply(mp, &reply_mess);
|
|---|
| 499 | return;
|
|---|
| 500 | }
|
|---|
| 501 | ec= &ec_table[port];
|
|---|
| 502 | strcpy(ec->port_name, "eth_card#0");
|
|---|
| 503 | ec->port_name[9] += port;
|
|---|
| 504 | if (ec->mode == EC_DISABLED)
|
|---|
| 505 | {
|
|---|
| 506 | /* This is the default, try to (re)locate the device. */
|
|---|
| 507 | /* only try to enable if memory is correct for DMA */
|
|---|
| 508 | if ( CORRECT_DMA_MEM() )
|
|---|
| 509 | {
|
|---|
| 510 | conf_hw(ec);
|
|---|
| 511 | }
|
|---|
| 512 | else
|
|---|
| 513 | {
|
|---|
| 514 | report( "LANCE", "DMA denied because address out of range", NO_NUM );
|
|---|
| 515 | }
|
|---|
| 516 |
|
|---|
| 517 | if (ec->mode == EC_DISABLED)
|
|---|
| 518 | {
|
|---|
| 519 | /* Probe failed, or the device is configured off. */
|
|---|
| 520 | reply_mess.m_type= DL_INIT_REPLY;
|
|---|
| 521 | reply_mess.m3_i1= ENXIO;
|
|---|
| 522 | mess_reply(mp, &reply_mess);
|
|---|
| 523 | return;
|
|---|
| 524 | }
|
|---|
| 525 | if (ec->mode == EC_ENABLED)
|
|---|
| 526 | ec_init(ec);
|
|---|
| 527 | }
|
|---|
| 528 |
|
|---|
| 529 | if (ec->mode == EC_SINK)
|
|---|
| 530 | {
|
|---|
| 531 | ec->mac_address.ea_addr[0] =
|
|---|
| 532 | ec->mac_address.ea_addr[1] =
|
|---|
| 533 | ec->mac_address.ea_addr[2] =
|
|---|
| 534 | ec->mac_address.ea_addr[3] =
|
|---|
| 535 | ec->mac_address.ea_addr[4] =
|
|---|
| 536 | ec->mac_address.ea_addr[5] = 0;
|
|---|
| 537 | ec_confaddr(ec);
|
|---|
| 538 | reply_mess.m_type = DL_INIT_REPLY;
|
|---|
| 539 | reply_mess.m3_i1 = mp->DL_PORT;
|
|---|
| 540 | reply_mess.m3_i2 = EC_PORT_NR_MAX;
|
|---|
| 541 | *(ether_addr_t *) reply_mess.m3_ca1 = ec->mac_address;
|
|---|
| 542 | mess_reply(mp, &reply_mess);
|
|---|
| 543 | return;
|
|---|
| 544 | }
|
|---|
| 545 | assert(ec->mode == EC_ENABLED);
|
|---|
| 546 | assert(ec->flags & ECF_ENABLED);
|
|---|
| 547 |
|
|---|
| 548 | ec->flags &= ~(ECF_PROMISC | ECF_MULTI | ECF_BROAD);
|
|---|
| 549 |
|
|---|
| 550 | if (mp->DL_MODE & DL_PROMISC_REQ)
|
|---|
| 551 | ec->flags |= ECF_PROMISC | ECF_MULTI | ECF_BROAD;
|
|---|
| 552 | if (mp->DL_MODE & DL_MULTI_REQ)
|
|---|
| 553 | ec->flags |= ECF_MULTI;
|
|---|
| 554 | if (mp->DL_MODE & DL_BROAD_REQ)
|
|---|
| 555 | ec->flags |= ECF_BROAD;
|
|---|
| 556 |
|
|---|
| 557 | ec->client = mp->m_source;
|
|---|
| 558 | ec_reinit(ec);
|
|---|
| 559 |
|
|---|
| 560 | reply_mess.m_type = DL_INIT_REPLY;
|
|---|
| 561 | reply_mess.m3_i1 = mp->DL_PORT;
|
|---|
| 562 | reply_mess.m3_i2 = EC_PORT_NR_MAX;
|
|---|
| 563 | *(ether_addr_t *) reply_mess.m3_ca1 = ec->mac_address;
|
|---|
| 564 |
|
|---|
| 565 | mess_reply(mp, &reply_mess);
|
|---|
| 566 | }
|
|---|
| 567 |
|
|---|
| 568 |
|
|---|
| 569 | /*===========================================================================*
|
|---|
| 570 | * do_int *
|
|---|
| 571 | *===========================================================================*/
|
|---|
| 572 | static void do_int(ec)
|
|---|
| 573 | ether_card_t *ec;
|
|---|
| 574 | {
|
|---|
| 575 | if (ec->flags & (ECF_PACK_SEND | ECF_PACK_RECV))
|
|---|
| 576 | reply(ec, OK, TRUE);
|
|---|
| 577 | }
|
|---|
| 578 |
|
|---|
| 579 | #if 0
|
|---|
| 580 | /*===========================================================================*
|
|---|
| 581 | * ec_handler *
|
|---|
| 582 | *===========================================================================*/
|
|---|
| 583 | static int ec_handler(hook)
|
|---|
| 584 | irq_hook_t *hook;
|
|---|
| 585 | {
|
|---|
| 586 | /* LANCE interrupt, send message and reenable interrupts. */
|
|---|
| 587 | #if 0
|
|---|
| 588 | printf(">> ec_handler(): \n");
|
|---|
| 589 | #endif
|
|---|
| 590 |
|
|---|
| 591 | structof(ether_card_t, ec_hook, hook)->ec_int_pending= 1;
|
|---|
| 592 |
|
|---|
| 593 | notify(eth_tasknr);
|
|---|
| 594 |
|
|---|
| 595 | return 0;
|
|---|
| 596 | }
|
|---|
| 597 | #endif
|
|---|
| 598 |
|
|---|
| 599 | /*===========================================================================*
|
|---|
| 600 | * conf_hw *
|
|---|
| 601 | *===========================================================================*/
|
|---|
| 602 | static void conf_hw(ec)
|
|---|
| 603 | ether_card_t *ec;
|
|---|
| 604 | {
|
|---|
| 605 | static eth_stat_t empty_stat = {0, 0, 0, 0, 0, 0 /* ,... */ };
|
|---|
| 606 |
|
|---|
| 607 | int ifnr;
|
|---|
| 608 | ec_conf_t *ecp;
|
|---|
| 609 |
|
|---|
| 610 | ec->mode= EC_DISABLED; /* Superfluous */
|
|---|
| 611 | ifnr= ec-ec_table;
|
|---|
| 612 |
|
|---|
| 613 | ecp= &ec_conf[ifnr];
|
|---|
| 614 | update_conf(ec, ecp);
|
|---|
| 615 | if (ec->mode != EC_ENABLED)
|
|---|
| 616 | return;
|
|---|
| 617 |
|
|---|
| 618 | if (!lance_probe(ec))
|
|---|
| 619 | {
|
|---|
| 620 | printf("%s: No ethernet card found on PCI-BIOS info.\n",
|
|---|
| 621 | ec->port_name);
|
|---|
| 622 | ec->mode= EC_DISABLED;
|
|---|
| 623 | return;
|
|---|
| 624 | }
|
|---|
| 625 |
|
|---|
| 626 | /* Allocate a memory segment, programmed I/O should set the
|
|---|
| 627 | * memory segment (linmem) to zero.
|
|---|
| 628 | */
|
|---|
| 629 | if (ec->ec_linmem != 0)
|
|---|
| 630 | {
|
|---|
| 631 | assert( 0 );
|
|---|
| 632 | /*phys2seg(&ec->ec_memseg, &ec->ec_memoff, ec->ec_linmem);*/
|
|---|
| 633 | }
|
|---|
| 634 |
|
|---|
| 635 | /* XXX */ if (ec->ec_linmem == 0) ec->ec_linmem= 0xFFFF0000;
|
|---|
| 636 |
|
|---|
| 637 | ec->flags = ECF_EMPTY;
|
|---|
| 638 | ec->eth_stat = empty_stat;
|
|---|
| 639 | }
|
|---|
| 640 |
|
|---|
| 641 |
|
|---|
| 642 | /*===========================================================================*
|
|---|
| 643 | * update_conf *
|
|---|
| 644 | *===========================================================================*/
|
|---|
| 645 | static void update_conf(ec, ecp)
|
|---|
| 646 | ether_card_t *ec;
|
|---|
| 647 | ec_conf_t *ecp;
|
|---|
| 648 | {
|
|---|
| 649 | long v;
|
|---|
| 650 | static char ec_fmt[] = "x:d:x:x";
|
|---|
| 651 |
|
|---|
| 652 | /* Get the default settings and modify them from the environment. */
|
|---|
| 653 | ec->mode= EC_SINK;
|
|---|
| 654 | v= ecp->ec_port;
|
|---|
| 655 | switch (env_parse(ecp->ec_envvar, ec_fmt, 0, &v, 0x0000L, 0xFFFFL)) {
|
|---|
| 656 | case EP_OFF:
|
|---|
| 657 | ec->mode= EC_DISABLED;
|
|---|
| 658 | break;
|
|---|
| 659 | case EP_ON:
|
|---|
| 660 | case EP_SET:
|
|---|
| 661 | ec->mode= EC_ENABLED; /* Might become disabled if
|
|---|
| 662 | * all probes fail */
|
|---|
| 663 | break;
|
|---|
| 664 | }
|
|---|
| 665 |
|
|---|
| 666 | ec->ec_port= v;
|
|---|
| 667 |
|
|---|
| 668 | v= ecp->ec_irq | DEI_DEFAULT;
|
|---|
| 669 | (void) env_parse(ecp->ec_envvar, ec_fmt, 1, &v, 0L,
|
|---|
| 670 | (long) NR_IRQ_VECTORS - 1);
|
|---|
| 671 | ec->ec_irq= v;
|
|---|
| 672 |
|
|---|
| 673 | v= ecp->ec_mem;
|
|---|
| 674 | (void) env_parse(ecp->ec_envvar, ec_fmt, 2, &v, 0L, 0xFFFFFL);
|
|---|
| 675 | ec->ec_linmem= v;
|
|---|
| 676 |
|
|---|
| 677 | v= 0;
|
|---|
| 678 | (void) env_parse(ecp->ec_envvar, ec_fmt, 3, &v, 0x2000L, 0x8000L);
|
|---|
| 679 | ec->ec_ramsize= v;
|
|---|
| 680 | }
|
|---|
| 681 |
|
|---|
| 682 |
|
|---|
| 683 | /*===========================================================================*
|
|---|
| 684 | * ec_init *
|
|---|
| 685 | *===========================================================================*/
|
|---|
| 686 | static void ec_init(ec)
|
|---|
| 687 | ether_card_t *ec;
|
|---|
| 688 | {
|
|---|
| 689 | int i, r;
|
|---|
| 690 |
|
|---|
| 691 | /* General initialization */
|
|---|
| 692 | ec->flags = ECF_EMPTY;
|
|---|
| 693 | /*disable_irq(ec->ec_irq);*/
|
|---|
| 694 | lance_init_card(ec); /* Get mac_address, etc ...*/
|
|---|
| 695 |
|
|---|
| 696 | ec_confaddr(ec);
|
|---|
| 697 |
|
|---|
| 698 | #if VERBOSE
|
|---|
| 699 | printf("%s: Ethernet address ", ec->port_name);
|
|---|
| 700 | for (i= 0; i < 6; i++)
|
|---|
| 701 | printf("%x%c", ec->mac_address.ea_addr[i],
|
|---|
| 702 | i < 5 ? ':' : '\n');
|
|---|
| 703 | #endif
|
|---|
| 704 |
|
|---|
| 705 | /* Finish the initialization */
|
|---|
| 706 | ec->flags |= ECF_ENABLED;
|
|---|
| 707 |
|
|---|
| 708 | /* Set the interrupt handler */
|
|---|
| 709 | /*put_irq_handler(&ec->ec_hook, ec->ec_irq, ec_handler);*/
|
|---|
| 710 | ec->ec_hook = ec->ec_irq;
|
|---|
| 711 | if ((r=sys_irqsetpolicy(ec->ec_irq, 0, &ec->ec_hook)) != OK)
|
|---|
| 712 | printf("lance: error, couldn't set IRQ policy: %d\n", r);
|
|---|
| 713 |
|
|---|
| 714 | /* enable_irq(ec->ec_irq); */
|
|---|
| 715 |
|
|---|
| 716 | /* enter_kdebug(">> ec_init():"); */
|
|---|
| 717 |
|
|---|
| 718 | return;
|
|---|
| 719 | }
|
|---|
| 720 |
|
|---|
| 721 |
|
|---|
| 722 | /*===========================================================================*
|
|---|
| 723 | * reply *
|
|---|
| 724 | *===========================================================================*/
|
|---|
| 725 | static void reply(ec, err, may_block)
|
|---|
| 726 | ether_card_t *ec;
|
|---|
| 727 | int err;
|
|---|
| 728 | int may_block;
|
|---|
| 729 | {
|
|---|
| 730 | message reply;
|
|---|
| 731 | int status,r;
|
|---|
| 732 | clock_t now;
|
|---|
| 733 |
|
|---|
| 734 | status = 0;
|
|---|
| 735 | if (ec->flags & ECF_PACK_SEND)
|
|---|
| 736 | status |= DL_PACK_SEND;
|
|---|
| 737 | if (ec->flags & ECF_PACK_RECV)
|
|---|
| 738 | status |= DL_PACK_RECV;
|
|---|
| 739 |
|
|---|
| 740 | reply.m_type = DL_TASK_REPLY;
|
|---|
| 741 | reply.DL_PORT = ec - ec_table;
|
|---|
| 742 | reply.DL_PROC = ec->client;
|
|---|
| 743 | reply.DL_STAT = status | ((u32_t) err << 16);
|
|---|
| 744 | reply.DL_COUNT = ec->read_s;
|
|---|
| 745 | #if 1
|
|---|
| 746 | if ((r=getuptime(&now)) != OK)
|
|---|
| 747 | panic("lance", "getuptime() failed:", r);
|
|---|
| 748 | reply.DL_CLCK = now;
|
|---|
| 749 | #else
|
|---|
| 750 | reply.DL_CLCK = 0;
|
|---|
| 751 | #endif
|
|---|
| 752 |
|
|---|
| 753 | r = send(ec->client, &reply);
|
|---|
| 754 | #if 1
|
|---|
| 755 | if (r == ELOCKED && may_block)
|
|---|
| 756 | {
|
|---|
| 757 | /* enter_kdebug(">> lance_task: ELOCKED!"); */
|
|---|
| 758 | return;
|
|---|
| 759 | }
|
|---|
| 760 | #endif
|
|---|
| 761 | if (r < 0)
|
|---|
| 762 | panic( "lance", "send failed:", r);
|
|---|
| 763 |
|
|---|
| 764 | ec->read_s = 0;
|
|---|
| 765 | ec->flags &= ~(ECF_PACK_SEND | ECF_PACK_RECV);
|
|---|
| 766 | }
|
|---|
| 767 |
|
|---|
| 768 |
|
|---|
| 769 | /*===========================================================================*
|
|---|
| 770 | * mess_reply *
|
|---|
| 771 | *===========================================================================*/
|
|---|
| 772 | static void mess_reply(req, reply_mess)
|
|---|
| 773 | message *req;
|
|---|
| 774 | message *reply_mess;
|
|---|
| 775 | {
|
|---|
| 776 | if (send(req->m_source, reply_mess) != OK)
|
|---|
| 777 | panic( "lance", "unable to mess_reply", NO_NUM);
|
|---|
| 778 | }
|
|---|
| 779 |
|
|---|
| 780 |
|
|---|
| 781 | /*===========================================================================*
|
|---|
| 782 | * ec_confaddr *
|
|---|
| 783 | *===========================================================================*/
|
|---|
| 784 | static void ec_confaddr(ec)
|
|---|
| 785 | ether_card_t *ec;
|
|---|
| 786 | {
|
|---|
| 787 | int i;
|
|---|
| 788 | char eakey[16];
|
|---|
| 789 | static char eafmt[]= "x:x:x:x:x:x";
|
|---|
| 790 | long v;
|
|---|
| 791 |
|
|---|
| 792 | /* User defined ethernet address? */
|
|---|
| 793 | strcpy(eakey, ec_conf[ec-ec_table].ec_envvar);
|
|---|
| 794 | strcat(eakey, "_EA");
|
|---|
| 795 |
|
|---|
| 796 | for (i= 0; i < 6; i++)
|
|---|
| 797 | {
|
|---|
| 798 | v= ec->mac_address.ea_addr[i];
|
|---|
| 799 | if (env_parse(eakey, eafmt, i, &v, 0x00L, 0xFFL) != EP_SET)
|
|---|
| 800 | break;
|
|---|
| 801 | ec->mac_address.ea_addr[i]= v;
|
|---|
| 802 | }
|
|---|
| 803 |
|
|---|
| 804 | if (i != 0 && i != 6)
|
|---|
| 805 | {
|
|---|
| 806 | /* It's all or nothing; force a panic. */
|
|---|
| 807 | (void) env_parse(eakey, "?", 0, &v, 0L, 0L);
|
|---|
| 808 | }
|
|---|
| 809 | }
|
|---|
| 810 |
|
|---|
| 811 |
|
|---|
| 812 | /*===========================================================================*
|
|---|
| 813 | * ec_reinit *
|
|---|
| 814 | *===========================================================================*/
|
|---|
| 815 | static void ec_reinit(ec)
|
|---|
| 816 | ether_card_t *ec;
|
|---|
| 817 | {
|
|---|
| 818 | int i;
|
|---|
| 819 | unsigned short ioaddr = ec->ec_port;
|
|---|
| 820 |
|
|---|
| 821 | out_word(ioaddr+LANCE_ADDR, 0x0);
|
|---|
| 822 | (void)in_word(ioaddr+LANCE_ADDR);
|
|---|
| 823 | out_word(ioaddr+LANCE_DATA, 0x4); /* stop */
|
|---|
| 824 |
|
|---|
| 825 | /* purge Tx-ring */
|
|---|
| 826 | tx_slot_nr = cur_tx_slot_nr = 0;
|
|---|
| 827 | for (i=0; i<TX_RING_SIZE; i++) {
|
|---|
| 828 | lp->tx_ring[i].u.base = 0;
|
|---|
| 829 | isstored[i]=0;
|
|---|
| 830 | }
|
|---|
| 831 |
|
|---|
| 832 | /* re-init Rx-ring */
|
|---|
| 833 | rx_slot_nr = 0;
|
|---|
| 834 | for (i=0; i<RX_RING_SIZE; i++)
|
|---|
| 835 | {
|
|---|
| 836 | lp->rx_ring[i].buf_length = -ETH_FRAME_LEN;
|
|---|
| 837 | lp->rx_ring[i].u.addr[3] |= 0x80;
|
|---|
| 838 | }
|
|---|
| 839 |
|
|---|
| 840 | /* Set 'Receive Mode' */
|
|---|
| 841 | if (ec->flags & ECF_PROMISC)
|
|---|
| 842 | {
|
|---|
| 843 | out_word(ioaddr+LANCE_ADDR, 0xf);
|
|---|
| 844 | out_word(ioaddr+LANCE_DATA, 0x8000);
|
|---|
| 845 | }
|
|---|
| 846 | else
|
|---|
| 847 | {
|
|---|
| 848 | if (ec->flags & (ECF_BROAD | ECF_MULTI))
|
|---|
| 849 | {
|
|---|
| 850 | out_word(ioaddr+LANCE_ADDR, 0xf);
|
|---|
| 851 | out_word(ioaddr+LANCE_DATA, 0x0000);
|
|---|
| 852 | }
|
|---|
| 853 | else
|
|---|
| 854 | {
|
|---|
| 855 | out_word(ioaddr+LANCE_ADDR, 0xf);
|
|---|
| 856 | out_word(ioaddr+LANCE_DATA, 0x4000);
|
|---|
| 857 | }
|
|---|
| 858 | }
|
|---|
| 859 |
|
|---|
| 860 | out_word(ioaddr+LANCE_ADDR, 0x0);
|
|---|
| 861 | (void)in_word(ioaddr+LANCE_ADDR);
|
|---|
| 862 | out_word(ioaddr+LANCE_DATA, 0x142); /* start && enable interrupt */
|
|---|
| 863 |
|
|---|
| 864 | return;
|
|---|
| 865 | }
|
|---|
| 866 |
|
|---|
| 867 | /*===========================================================================*
|
|---|
| 868 | * ec_check_ints *
|
|---|
| 869 | *===========================================================================*/
|
|---|
| 870 | static void ec_check_ints(ec)
|
|---|
| 871 | ether_card_t *ec;
|
|---|
| 872 | {
|
|---|
| 873 | int must_restart=0;
|
|---|
| 874 | int check,status;
|
|---|
| 875 | int isr=0x0000;
|
|---|
| 876 | unsigned short ioaddr = ec->ec_port;
|
|---|
| 877 |
|
|---|
| 878 | if (!(ec->flags & ECF_ENABLED))
|
|---|
| 879 | panic( "lance", "got premature interrupt", NO_NUM);
|
|---|
| 880 |
|
|---|
| 881 | for (;;)
|
|---|
| 882 | {
|
|---|
| 883 | #if 0
|
|---|
| 884 | printf("ETH: Reading ISR...");
|
|---|
| 885 | #endif
|
|---|
| 886 | out_word(ioaddr+LANCE_ADDR, 0x00);
|
|---|
| 887 | isr=in_word(ioaddr+LANCE_DATA);
|
|---|
| 888 | if (isr & 0x8600)
|
|---|
| 889 | out_word( ioaddr+LANCE_DATA, isr & ~0x004f);
|
|---|
| 890 | out_word(ioaddr+LANCE_DATA, 0x7940);
|
|---|
| 891 | #if 0
|
|---|
| 892 | printf("ISR=0x%x...",in_word(ioaddr+LANCE_DATA));
|
|---|
| 893 | #endif
|
|---|
| 894 | #define ISR_WINT 0x0200
|
|---|
| 895 | #define ISR_RINT 0x0400
|
|---|
| 896 | #define ISR_RERR 0x1000
|
|---|
| 897 | #define ISR_WERR 0x4000
|
|---|
| 898 | #define ISR_ERR 0x8000
|
|---|
| 899 | #define ISR_RST 0x0000
|
|---|
| 900 |
|
|---|
| 901 | if ((isr & (ISR_WINT|ISR_RINT|ISR_RERR|ISR_WERR|ISR_ERR)) == 0x0000)
|
|---|
| 902 | {
|
|---|
| 903 | #if 0
|
|---|
| 904 | printf("OK\n");
|
|---|
| 905 | #endif
|
|---|
| 906 | break;
|
|---|
| 907 | }
|
|---|
| 908 |
|
|---|
| 909 | if (isr & ISR_RERR)
|
|---|
| 910 | {
|
|---|
| 911 | #if 0
|
|---|
| 912 | printf("RERR\n");
|
|---|
| 913 | #endif
|
|---|
| 914 | ec->eth_stat.ets_recvErr++;
|
|---|
| 915 | }
|
|---|
| 916 | if ((isr & ISR_WERR) || (isr & ISR_WINT))
|
|---|
| 917 | {
|
|---|
| 918 | if (isr & ISR_WERR)
|
|---|
| 919 | {
|
|---|
| 920 | #if 0
|
|---|
| 921 | printf("WERR\n");
|
|---|
| 922 | #endif
|
|---|
| 923 | ec->eth_stat.ets_sendErr++;
|
|---|
| 924 | }
|
|---|
| 925 | if (isr & ISR_WINT)
|
|---|
| 926 | {
|
|---|
| 927 | #if 0
|
|---|
| 928 | printf("WINT\n");
|
|---|
| 929 | #endif
|
|---|
| 930 | /* status check: restart if needed. */
|
|---|
| 931 | status = lp->tx_ring[cur_tx_slot_nr].u.base;
|
|---|
| 932 |
|
|---|
| 933 | /* ??? */
|
|---|
| 934 | if (status & 0x40000000)
|
|---|
| 935 | {
|
|---|
| 936 | status = lp->tx_ring[cur_tx_slot_nr].misc;
|
|---|
| 937 | ec->eth_stat.ets_sendErr++;
|
|---|
| 938 | if (status & 0x0400)
|
|---|
| 939 | ec->eth_stat.ets_transAb++;
|
|---|
| 940 | if (status & 0x0800)
|
|---|
| 941 | ec->eth_stat.ets_carrSense++;
|
|---|
| 942 | if (status & 0x1000)
|
|---|
| 943 | ec->eth_stat.ets_OWC++;
|
|---|
| 944 | if (status & 0x4000)
|
|---|
| 945 | {
|
|---|
| 946 | ec->eth_stat.ets_fifoUnder++;
|
|---|
| 947 | must_restart=1;
|
|---|
| 948 | }
|
|---|
| 949 | }
|
|---|
| 950 | else
|
|---|
| 951 | {
|
|---|
| 952 | if (status & 0x18000000)
|
|---|
| 953 | ec->eth_stat.ets_collision++;
|
|---|
| 954 | ec->eth_stat.ets_packetT++;
|
|---|
| 955 | }
|
|---|
| 956 | }
|
|---|
| 957 | /* transmit a packet on the next slot if it exists. */
|
|---|
| 958 | check = 0;
|
|---|
| 959 | if (isstored[cur_tx_slot_nr]==1)
|
|---|
| 960 | {
|
|---|
| 961 | /* free the tx-slot just transmitted */
|
|---|
| 962 | isstored[cur_tx_slot_nr]=0;
|
|---|
| 963 | cur_tx_slot_nr = (++cur_tx_slot_nr) & TX_RING_MOD_MASK;
|
|---|
| 964 |
|
|---|
| 965 | /* next tx-slot is ready? */
|
|---|
| 966 | if (isstored[cur_tx_slot_nr]==1)
|
|---|
| 967 | check=1;
|
|---|
| 968 | else
|
|---|
| 969 | check=0;
|
|---|
| 970 | }
|
|---|
| 971 | else
|
|---|
| 972 | {
|
|---|
| 973 | panic( "lance", "got premature WINT...", NO_NUM);
|
|---|
| 974 | }
|
|---|
| 975 | if (check==1)
|
|---|
| 976 | {
|
|---|
| 977 | lp->tx_ring[cur_tx_slot_nr].u.addr[3] = 0x83;
|
|---|
| 978 | out_word(ioaddr+LANCE_ADDR, 0x0000);
|
|---|
| 979 | out_word(ioaddr+LANCE_DATA, 0x0048);
|
|---|
| 980 | }
|
|---|
| 981 | else
|
|---|
| 982 | if (check==-1)
|
|---|
| 983 | continue;
|
|---|
| 984 | /* we set a buffered message in the slot if it exists. */
|
|---|
| 985 | /* and transmit it, if needed. */
|
|---|
| 986 | if (ec->flags & ECF_SEND_AVAIL)
|
|---|
| 987 | ec_send(ec);
|
|---|
| 988 | }
|
|---|
| 989 | if (isr & ISR_RINT)
|
|---|
| 990 | {
|
|---|
| 991 | #if 0
|
|---|
| 992 | printf("RINT\n");
|
|---|
| 993 | #endif
|
|---|
| 994 | ec_recv(ec);
|
|---|
| 995 | }
|
|---|
| 996 |
|
|---|
| 997 | if (isr & ISR_RST)
|
|---|
| 998 | {
|
|---|
| 999 | ec->flags = ECF_STOPPED;
|
|---|
| 1000 | break;
|
|---|
| 1001 | }
|
|---|
| 1002 |
|
|---|
| 1003 | /* ??? cf. lance driver on linux */
|
|---|
| 1004 | if (must_restart == 1)
|
|---|
| 1005 | {
|
|---|
| 1006 | #if 0
|
|---|
| 1007 | printf("ETH: restarting...\n");
|
|---|
| 1008 | #endif
|
|---|
| 1009 | out_word(ioaddr+LANCE_ADDR, 0x0);
|
|---|
| 1010 | (void)in_word(ioaddr+LANCE_ADDR);
|
|---|
| 1011 | out_word(ioaddr+LANCE_DATA, 0x4); /* stop */
|
|---|
| 1012 | out_word(ioaddr+LANCE_DATA, 0x2); /* start */
|
|---|
| 1013 | }
|
|---|
| 1014 | }
|
|---|
| 1015 |
|
|---|
| 1016 | if ((ec->flags & (ECF_READING|ECF_STOPPED)) == (ECF_READING|ECF_STOPPED))
|
|---|
| 1017 | {
|
|---|
| 1018 | #if 0
|
|---|
| 1019 | printf("ETH: resetting...\n");
|
|---|
| 1020 | #endif
|
|---|
| 1021 | ec_reset(ec);
|
|---|
| 1022 | }
|
|---|
| 1023 | }
|
|---|
| 1024 |
|
|---|
| 1025 | /*===========================================================================*
|
|---|
| 1026 | * ec_reset *
|
|---|
| 1027 | *===========================================================================*/
|
|---|
| 1028 | static void ec_reset(ec)
|
|---|
| 1029 | ether_card_t *ec;
|
|---|
| 1030 | {
|
|---|
| 1031 | /* Stop/start the chip, and clear all RX,TX-slots */
|
|---|
| 1032 | unsigned short ioaddr = ec->ec_port;
|
|---|
| 1033 | int i;
|
|---|
| 1034 |
|
|---|
| 1035 | out_word(ioaddr+LANCE_ADDR, 0x0);
|
|---|
| 1036 | (void)in_word(ioaddr+LANCE_ADDR);
|
|---|
| 1037 | out_word(ioaddr+LANCE_DATA, 0x4); /* stop */
|
|---|
| 1038 | out_word(ioaddr+LANCE_DATA, 0x2); /* start */
|
|---|
| 1039 |
|
|---|
| 1040 | /* purge Tx-ring */
|
|---|
| 1041 | tx_slot_nr = cur_tx_slot_nr = 0;
|
|---|
| 1042 | for (i=0; i<TX_RING_SIZE; i++) {
|
|---|
| 1043 | lp->tx_ring[i].u.base = 0;
|
|---|
| 1044 | isstored[i]=0;
|
|---|
| 1045 | }
|
|---|
| 1046 |
|
|---|
| 1047 | /* re-init Rx-ring */
|
|---|
| 1048 | rx_slot_nr = 0;
|
|---|
| 1049 | for (i=0; i<RX_RING_SIZE; i++)
|
|---|
| 1050 | {
|
|---|
| 1051 | lp->rx_ring[i].buf_length = -ETH_FRAME_LEN;
|
|---|
| 1052 | lp->rx_ring[i].u.addr[3] |= 0x80;
|
|---|
| 1053 | }
|
|---|
| 1054 |
|
|---|
| 1055 | /* store a buffered message on the slot if exists */
|
|---|
| 1056 | ec_send(ec);
|
|---|
| 1057 | ec->flags &= ~ECF_STOPPED;
|
|---|
| 1058 | }
|
|---|
| 1059 |
|
|---|
| 1060 | /*===========================================================================*
|
|---|
| 1061 | * ec_send *
|
|---|
| 1062 | *===========================================================================*/
|
|---|
| 1063 | static void ec_send(ec)
|
|---|
| 1064 | ether_card_t *ec;
|
|---|
| 1065 | {
|
|---|
| 1066 | /* from ec_check_ints() or ec_reset(). */
|
|---|
| 1067 | /* this function proccesses the buffered message. (slot/transmit) */
|
|---|
| 1068 | if (!(ec->flags & ECF_SEND_AVAIL))
|
|---|
| 1069 | return;
|
|---|
| 1070 |
|
|---|
| 1071 | ec->flags &= ~ECF_SEND_AVAIL;
|
|---|
| 1072 | switch(ec->sendmsg.m_type)
|
|---|
| 1073 | {
|
|---|
| 1074 | case DL_WRITE: do_vwrite(&ec->sendmsg, TRUE, FALSE); break;
|
|---|
| 1075 | case DL_WRITEV: do_vwrite(&ec->sendmsg, TRUE, TRUE); break;
|
|---|
| 1076 | default:
|
|---|
| 1077 | panic( "lance", "wrong type:", ec->sendmsg.m_type);
|
|---|
| 1078 | break;
|
|---|
| 1079 | }
|
|---|
| 1080 | }
|
|---|
| 1081 |
|
|---|
| 1082 | /*===========================================================================*
|
|---|
| 1083 | * do_vread *
|
|---|
| 1084 | *===========================================================================*/
|
|---|
| 1085 | static void do_vread(mp, vectored)
|
|---|
| 1086 | message *mp;
|
|---|
| 1087 | int vectored;
|
|---|
| 1088 | {
|
|---|
| 1089 | int port, count, size;
|
|---|
| 1090 | ether_card_t *ec;
|
|---|
| 1091 |
|
|---|
| 1092 | port = mp->DL_PORT;
|
|---|
| 1093 | count = mp->DL_COUNT;
|
|---|
| 1094 | ec= &ec_table[port];
|
|---|
| 1095 | ec->client= mp->DL_PROC;
|
|---|
| 1096 |
|
|---|
| 1097 | if (vectored)
|
|---|
| 1098 | {
|
|---|
| 1099 | get_userdata(mp->DL_PROC, (vir_bytes) mp->DL_ADDR,
|
|---|
| 1100 | (count > IOVEC_NR ? IOVEC_NR : count) *
|
|---|
| 1101 | sizeof(iovec_t), ec->read_iovec.iod_iovec);
|
|---|
| 1102 | ec->read_iovec.iod_iovec_s = count;
|
|---|
| 1103 | ec->read_iovec.iod_proc_nr = mp->DL_PROC;
|
|---|
| 1104 | ec->read_iovec.iod_iovec_addr = (vir_bytes) mp->DL_ADDR;
|
|---|
| 1105 |
|
|---|
| 1106 | ec->tmp_iovec = ec->read_iovec;
|
|---|
| 1107 | size= calc_iovec_size(&ec->tmp_iovec);
|
|---|
| 1108 | }
|
|---|
| 1109 | else
|
|---|
| 1110 | {
|
|---|
| 1111 | ec->read_iovec.iod_iovec[0].iov_addr = (vir_bytes) mp->DL_ADDR;
|
|---|
| 1112 | ec->read_iovec.iod_iovec[0].iov_size = mp->DL_COUNT;
|
|---|
| 1113 | ec->read_iovec.iod_iovec_s = 1;
|
|---|
| 1114 | ec->read_iovec.iod_proc_nr = mp->DL_PROC;
|
|---|
| 1115 | ec->read_iovec.iod_iovec_addr = 0;
|
|---|
| 1116 |
|
|---|
| 1117 | size= count;
|
|---|
| 1118 | }
|
|---|
| 1119 | ec->flags |= ECF_READING;
|
|---|
| 1120 |
|
|---|
| 1121 | ec_recv(ec);
|
|---|
| 1122 |
|
|---|
| 1123 | if ((ec->flags & (ECF_READING|ECF_STOPPED)) == (ECF_READING|ECF_STOPPED))
|
|---|
| 1124 | ec_reset(ec);
|
|---|
| 1125 | reply(ec, OK, FALSE);
|
|---|
| 1126 | }
|
|---|
| 1127 |
|
|---|
| 1128 | /*===========================================================================*
|
|---|
| 1129 | * ec_recv *
|
|---|
| 1130 | *===========================================================================*/
|
|---|
| 1131 | static void ec_recv(ec)
|
|---|
| 1132 | ether_card_t *ec;
|
|---|
| 1133 | {
|
|---|
| 1134 | vir_bytes length;
|
|---|
| 1135 | int packet_processed;
|
|---|
| 1136 | int status;
|
|---|
| 1137 | unsigned short ioaddr = ec->ec_port;
|
|---|
| 1138 |
|
|---|
| 1139 | if ((ec->flags & ECF_READING)==0)
|
|---|
| 1140 | return;
|
|---|
| 1141 | if (!(ec->flags & ECF_ENABLED))
|
|---|
| 1142 | return;
|
|---|
| 1143 |
|
|---|
| 1144 | /* we check all the received slots until find a properly received packet */
|
|---|
| 1145 | packet_processed = FALSE;
|
|---|
| 1146 | while (!packet_processed)
|
|---|
| 1147 | {
|
|---|
| 1148 | status = lp->rx_ring[rx_slot_nr].u.base >> 24;
|
|---|
| 1149 | if ( (status & 0x80) == 0x00 )
|
|---|
| 1150 | {
|
|---|
| 1151 | status = lp->rx_ring[rx_slot_nr].u.base >> 24;
|
|---|
| 1152 |
|
|---|
| 1153 | /* ??? */
|
|---|
| 1154 | if (status != 0x03)
|
|---|
| 1155 | {
|
|---|
| 1156 | if (status & 0x01)
|
|---|
| 1157 | ec->eth_stat.ets_recvErr++;
|
|---|
| 1158 | if (status & 0x04)
|
|---|
| 1159 | ec->eth_stat.ets_fifoOver++;
|
|---|
| 1160 | if (status & 0x08)
|
|---|
| 1161 | ec->eth_stat.ets_CRCerr++;
|
|---|
| 1162 | if (status & 0x10)
|
|---|
| 1163 | ec->eth_stat.ets_OVW++;
|
|---|
| 1164 | if (status & 0x20)
|
|---|
| 1165 | ec->eth_stat.ets_frameAll++;
|
|---|
| 1166 | length = 0;
|
|---|
| 1167 | }
|
|---|
| 1168 | else
|
|---|
| 1169 | {
|
|---|
| 1170 | ec->eth_stat.ets_packetR++;
|
|---|
| 1171 | length = lp->rx_ring[rx_slot_nr].msg_length;
|
|---|
| 1172 | }
|
|---|
| 1173 | if (length > 0)
|
|---|
| 1174 | {
|
|---|
| 1175 | ec_nic2user(ec, (int)(lp->rbuf[rx_slot_nr]),
|
|---|
| 1176 | &ec->read_iovec, 0, length);
|
|---|
| 1177 |
|
|---|
| 1178 | ec->read_s = length;
|
|---|
| 1179 | ec->flags |= ECF_PACK_RECV;
|
|---|
| 1180 | ec->flags &= ~ECF_READING;
|
|---|
| 1181 | packet_processed = TRUE;
|
|---|
| 1182 | }
|
|---|
| 1183 | /* set up this slot again, and we move to the next slot */
|
|---|
| 1184 | lp->rx_ring[rx_slot_nr].buf_length = -ETH_FRAME_LEN;
|
|---|
| 1185 | lp->rx_ring[rx_slot_nr].u.addr[3] |= 0x80;
|
|---|
| 1186 |
|
|---|
| 1187 | out_word(ioaddr+LANCE_ADDR, 0x00);
|
|---|
| 1188 | out_word(ioaddr+LANCE_DATA, 0x7940);
|
|---|
| 1189 |
|
|---|
| 1190 | rx_slot_nr = (++rx_slot_nr) & RX_RING_MOD_MASK;
|
|---|
| 1191 | }
|
|---|
| 1192 | else
|
|---|
| 1193 | break;
|
|---|
| 1194 | }
|
|---|
| 1195 | }
|
|---|
| 1196 |
|
|---|
| 1197 | /*===========================================================================*
|
|---|
| 1198 | * do_vwrite *
|
|---|
| 1199 | *===========================================================================*/
|
|---|
| 1200 | static void do_vwrite(mp, from_int, vectored)
|
|---|
| 1201 | message *mp;
|
|---|
| 1202 | int from_int;
|
|---|
| 1203 | int vectored;
|
|---|
| 1204 | {
|
|---|
| 1205 | int port, count, check;
|
|---|
| 1206 | ether_card_t *ec;
|
|---|
| 1207 | unsigned short ioaddr;
|
|---|
| 1208 |
|
|---|
| 1209 | port = mp->DL_PORT;
|
|---|
| 1210 | count = mp->DL_COUNT;
|
|---|
| 1211 | ec = &ec_table[port];
|
|---|
| 1212 | ec->client= mp->DL_PROC;
|
|---|
| 1213 |
|
|---|
| 1214 | if (isstored[tx_slot_nr]==1)
|
|---|
| 1215 | {
|
|---|
| 1216 | /* all slots are used, so this message is buffered */
|
|---|
| 1217 | ec->sendmsg= *mp;
|
|---|
| 1218 | ec->flags |= ECF_SEND_AVAIL;
|
|---|
| 1219 | reply(ec, OK, FALSE);
|
|---|
| 1220 | return;
|
|---|
| 1221 | }
|
|---|
| 1222 |
|
|---|
| 1223 | /* convert the message to write_iovec */
|
|---|
| 1224 | if (vectored)
|
|---|
| 1225 | {
|
|---|
| 1226 | get_userdata(mp->DL_PROC, (vir_bytes) mp->DL_ADDR,
|
|---|
| 1227 | (count > IOVEC_NR ? IOVEC_NR : count) *
|
|---|
| 1228 | sizeof(iovec_t), ec->write_iovec.iod_iovec);
|
|---|
| 1229 |
|
|---|
| 1230 | ec->write_iovec.iod_iovec_s = count;
|
|---|
| 1231 | ec->write_iovec.iod_proc_nr = mp->DL_PROC;
|
|---|
| 1232 | ec->write_iovec.iod_iovec_addr = (vir_bytes) mp->DL_ADDR;
|
|---|
| 1233 |
|
|---|
| 1234 | ec->tmp_iovec = ec->write_iovec;
|
|---|
| 1235 | ec->write_s = calc_iovec_size(&ec->tmp_iovec);
|
|---|
| 1236 | }
|
|---|
| 1237 | else
|
|---|
| 1238 | {
|
|---|
| 1239 | ec->write_iovec.iod_iovec[0].iov_addr = (vir_bytes) mp->DL_ADDR;
|
|---|
| 1240 | ec->write_iovec.iod_iovec[0].iov_size = mp->DL_COUNT;
|
|---|
| 1241 |
|
|---|
| 1242 | ec->write_iovec.iod_iovec_s = 1;
|
|---|
| 1243 | ec->write_iovec.iod_proc_nr = mp->DL_PROC;
|
|---|
| 1244 | ec->write_iovec.iod_iovec_addr = 0;
|
|---|
| 1245 |
|
|---|
| 1246 | ec->write_s = mp->DL_COUNT;
|
|---|
| 1247 | }
|
|---|
| 1248 |
|
|---|
| 1249 | /* copy write_iovec to the slot on DMA address */
|
|---|
| 1250 | ec_user2nic(ec, &ec->write_iovec, 0,
|
|---|
| 1251 | (int)(lp->tbuf[tx_slot_nr]), ec->write_s);
|
|---|
| 1252 | /* set-up for transmitting, and transmit it if needed. */
|
|---|
| 1253 | lp->tx_ring[tx_slot_nr].buf_length = -ec->write_s;
|
|---|
| 1254 | lp->tx_ring[tx_slot_nr].misc = 0x0;
|
|---|
| 1255 | lp->tx_ring[tx_slot_nr].u.base
|
|---|
| 1256 | = virt_to_bus(lp->tbuf[tx_slot_nr]) & 0xffffff;
|
|---|
| 1257 | isstored[tx_slot_nr]=1;
|
|---|
| 1258 | if (cur_tx_slot_nr == tx_slot_nr)
|
|---|
| 1259 | check=1;
|
|---|
| 1260 | else
|
|---|
| 1261 | check=0;
|
|---|
| 1262 | tx_slot_nr = (++tx_slot_nr) & TX_RING_MOD_MASK;
|
|---|
| 1263 |
|
|---|
| 1264 | if (check == 1)
|
|---|
| 1265 | {
|
|---|
| 1266 | ioaddr = ec->ec_port;
|
|---|
| 1267 | lp->tx_ring[cur_tx_slot_nr].u.addr[3] = 0x83;
|
|---|
| 1268 | out_word(ioaddr+LANCE_ADDR, 0x0000);
|
|---|
| 1269 | out_word(ioaddr+LANCE_DATA, 0x0048);
|
|---|
| 1270 | }
|
|---|
| 1271 |
|
|---|
| 1272 | ec->flags |= ECF_PACK_SEND;
|
|---|
| 1273 |
|
|---|
| 1274 | /* reply by calling do_int() if this function is called from interrupt. */
|
|---|
| 1275 | if (from_int)
|
|---|
| 1276 | return;
|
|---|
| 1277 | reply(ec, OK, FALSE);
|
|---|
| 1278 | }
|
|---|
| 1279 |
|
|---|
| 1280 |
|
|---|
| 1281 | /*===========================================================================*
|
|---|
| 1282 | * get_userdata *
|
|---|
| 1283 | *===========================================================================*/
|
|---|
| 1284 | static void get_userdata(user_proc, user_addr, count, loc_addr)
|
|---|
| 1285 | int user_proc;
|
|---|
| 1286 | vir_bytes user_addr;
|
|---|
| 1287 | vir_bytes count;
|
|---|
| 1288 | void *loc_addr;
|
|---|
| 1289 | {
|
|---|
| 1290 | /*
|
|---|
| 1291 | phys_bytes src;
|
|---|
| 1292 |
|
|---|
| 1293 | src = numap_local(user_proc, user_addr, count);
|
|---|
| 1294 | if (!src)
|
|---|
| 1295 | panic( "lance", "umap failed", NO_NUM);
|
|---|
| 1296 |
|
|---|
| 1297 | phys_copy(src, vir2phys(loc_addr), (phys_bytes) count);
|
|---|
| 1298 | */
|
|---|
| 1299 | int cps;
|
|---|
| 1300 | cps = sys_datacopy(user_proc, user_addr, SELF, (vir_bytes) loc_addr, count);
|
|---|
| 1301 | if (cps != OK) printf("lance: warning, scopy failed: %d\n", cps);
|
|---|
| 1302 | }
|
|---|
| 1303 |
|
|---|
| 1304 | /*===========================================================================*
|
|---|
| 1305 | * ec_user2nic *
|
|---|
| 1306 | *===========================================================================*/
|
|---|
| 1307 | static void ec_user2nic(ec, iovp, offset, nic_addr, count)
|
|---|
| 1308 | ether_card_t *ec;
|
|---|
| 1309 | iovec_dat_t *iovp;
|
|---|
| 1310 | vir_bytes offset;
|
|---|
| 1311 | int nic_addr;
|
|---|
| 1312 | vir_bytes count;
|
|---|
| 1313 | {
|
|---|
| 1314 | /*phys_bytes phys_hw, phys_user;*/
|
|---|
| 1315 | int bytes, i, r;
|
|---|
| 1316 |
|
|---|
| 1317 | /*
|
|---|
| 1318 | phys_hw = vir2phys(nic_addr);
|
|---|
| 1319 | */
|
|---|
| 1320 | i= 0;
|
|---|
| 1321 | while (count > 0)
|
|---|
| 1322 | {
|
|---|
| 1323 | if (i >= IOVEC_NR)
|
|---|
| 1324 | {
|
|---|
| 1325 | ec_next_iovec(iovp);
|
|---|
| 1326 | i= 0;
|
|---|
| 1327 | continue;
|
|---|
| 1328 | }
|
|---|
| 1329 | if (offset >= iovp->iod_iovec[i].iov_size)
|
|---|
| 1330 | {
|
|---|
| 1331 | offset -= iovp->iod_iovec[i].iov_size;
|
|---|
| 1332 | i++;
|
|---|
| 1333 | continue;
|
|---|
| 1334 | }
|
|---|
| 1335 | bytes = iovp->iod_iovec[i].iov_size - offset;
|
|---|
| 1336 | if (bytes > count)
|
|---|
| 1337 | bytes = count;
|
|---|
| 1338 |
|
|---|
| 1339 | /*
|
|---|
| 1340 | phys_user = numap_local(iovp->iod_proc_nr,
|
|---|
| 1341 | iovp->iod_iovec[i].iov_addr + offset, bytes);
|
|---|
| 1342 |
|
|---|
| 1343 | phys_copy(phys_user, phys_hw, (phys_bytes) bytes);
|
|---|
| 1344 | */
|
|---|
| 1345 | if ( (r=sys_datacopy(iovp->iod_proc_nr, iovp->iod_iovec[i].iov_addr + offset,
|
|---|
| 1346 | SELF, nic_addr, count )) != OK )
|
|---|
| 1347 | panic( "lance", "sys_datacopy failed", r );
|
|---|
| 1348 |
|
|---|
| 1349 | count -= bytes;
|
|---|
| 1350 | nic_addr += bytes;
|
|---|
| 1351 | offset += bytes;
|
|---|
| 1352 | }
|
|---|
| 1353 | }
|
|---|
| 1354 |
|
|---|
| 1355 | /*===========================================================================*
|
|---|
| 1356 | * ec_nic2user *
|
|---|
| 1357 | *===========================================================================*/
|
|---|
| 1358 | static void ec_nic2user(ec, nic_addr, iovp, offset, count)
|
|---|
| 1359 | ether_card_t *ec;
|
|---|
| 1360 | int nic_addr;
|
|---|
| 1361 | iovec_dat_t *iovp;
|
|---|
| 1362 | vir_bytes offset;
|
|---|
| 1363 | vir_bytes count;
|
|---|
| 1364 | {
|
|---|
| 1365 | /*phys_bytes phys_hw, phys_user;*/
|
|---|
| 1366 | int bytes, i, r;
|
|---|
| 1367 |
|
|---|
| 1368 | /*phys_hw = vir2phys(nic_addr);*/
|
|---|
| 1369 |
|
|---|
| 1370 | i= 0;
|
|---|
| 1371 | while (count > 0)
|
|---|
| 1372 | {
|
|---|
| 1373 | if (i >= IOVEC_NR)
|
|---|
| 1374 | {
|
|---|
| 1375 | ec_next_iovec(iovp);
|
|---|
| 1376 | i= 0;
|
|---|
| 1377 | continue;
|
|---|
| 1378 | }
|
|---|
| 1379 | if (offset >= iovp->iod_iovec[i].iov_size)
|
|---|
| 1380 | {
|
|---|
| 1381 | offset -= iovp->iod_iovec[i].iov_size;
|
|---|
| 1382 | i++;
|
|---|
| 1383 | continue;
|
|---|
| 1384 | }
|
|---|
| 1385 | bytes = iovp->iod_iovec[i].iov_size - offset;
|
|---|
| 1386 | if (bytes > count)
|
|---|
| 1387 | bytes = count;
|
|---|
| 1388 | /*
|
|---|
| 1389 | phys_user = numap_local(iovp->iod_proc_nr,
|
|---|
| 1390 | iovp->iod_iovec[i].iov_addr + offset, bytes);
|
|---|
| 1391 |
|
|---|
| 1392 | phys_copy(phys_hw, phys_user, (phys_bytes) bytes);
|
|---|
| 1393 | */
|
|---|
| 1394 | if ( (r=sys_datacopy( SELF, nic_addr, iovp->iod_proc_nr, iovp->iod_iovec[i].iov_addr + offset, bytes )) != OK )
|
|---|
| 1395 | panic( "lance", "sys_datacopy failed: ", r );
|
|---|
| 1396 |
|
|---|
| 1397 | count -= bytes;
|
|---|
| 1398 | nic_addr += bytes;
|
|---|
| 1399 | offset += bytes;
|
|---|
| 1400 | }
|
|---|
| 1401 | }
|
|---|
| 1402 |
|
|---|
| 1403 |
|
|---|
| 1404 | /*===========================================================================*
|
|---|
| 1405 | * calc_iovec_size *
|
|---|
| 1406 | *===========================================================================*/
|
|---|
| 1407 | static int calc_iovec_size(iovp)
|
|---|
| 1408 | iovec_dat_t *iovp;
|
|---|
| 1409 | {
|
|---|
| 1410 | int size,i;
|
|---|
| 1411 |
|
|---|
| 1412 | size = i = 0;
|
|---|
| 1413 |
|
|---|
| 1414 | while (i < iovp->iod_iovec_s)
|
|---|
| 1415 | {
|
|---|
| 1416 | if (i >= IOVEC_NR)
|
|---|
| 1417 | {
|
|---|
| 1418 | ec_next_iovec(iovp);
|
|---|
| 1419 | i= 0;
|
|---|
| 1420 | continue;
|
|---|
| 1421 | }
|
|---|
| 1422 | size += iovp->iod_iovec[i].iov_size;
|
|---|
| 1423 | i++;
|
|---|
| 1424 | }
|
|---|
| 1425 |
|
|---|
| 1426 | return size;
|
|---|
| 1427 | }
|
|---|
| 1428 |
|
|---|
| 1429 | /*===========================================================================*
|
|---|
| 1430 | * ec_next_iovec *
|
|---|
| 1431 | *===========================================================================*/
|
|---|
| 1432 | static void ec_next_iovec(iovp)
|
|---|
| 1433 | iovec_dat_t *iovp;
|
|---|
| 1434 | {
|
|---|
| 1435 | iovp->iod_iovec_s -= IOVEC_NR;
|
|---|
| 1436 | iovp->iod_iovec_addr += IOVEC_NR * sizeof(iovec_t);
|
|---|
| 1437 |
|
|---|
| 1438 | get_userdata(iovp->iod_proc_nr, iovp->iod_iovec_addr,
|
|---|
| 1439 | (iovp->iod_iovec_s > IOVEC_NR ?
|
|---|
| 1440 | IOVEC_NR : iovp->iod_iovec_s) * sizeof(iovec_t),
|
|---|
| 1441 | iovp->iod_iovec);
|
|---|
| 1442 | }
|
|---|
| 1443 |
|
|---|
| 1444 |
|
|---|
| 1445 | /*===========================================================================*
|
|---|
| 1446 | * do_getstat *
|
|---|
| 1447 | *===========================================================================*/
|
|---|
| 1448 | static void do_getstat(mp)
|
|---|
| 1449 | message *mp;
|
|---|
| 1450 | {
|
|---|
| 1451 | int port;
|
|---|
| 1452 | ether_card_t *ec;
|
|---|
| 1453 |
|
|---|
| 1454 | port = mp->DL_PORT;
|
|---|
| 1455 | if (port < 0 || port >= EC_PORT_NR_MAX)
|
|---|
| 1456 | panic( "lance", "illegal port", port);
|
|---|
| 1457 |
|
|---|
| 1458 | ec= &ec_table[port];
|
|---|
| 1459 | ec->client= mp->DL_PROC;
|
|---|
| 1460 |
|
|---|
| 1461 | put_userdata(mp->DL_PROC, (vir_bytes) mp->DL_ADDR,
|
|---|
| 1462 | (vir_bytes) sizeof(ec->eth_stat), &ec->eth_stat);
|
|---|
| 1463 | reply(ec, OK, FALSE);
|
|---|
| 1464 | }
|
|---|
| 1465 |
|
|---|
| 1466 | /*===========================================================================*
|
|---|
| 1467 | * put_userdata *
|
|---|
| 1468 | *===========================================================================*/
|
|---|
| 1469 | static void put_userdata(user_proc, user_addr, count, loc_addr)
|
|---|
| 1470 | int user_proc;
|
|---|
| 1471 | vir_bytes user_addr;
|
|---|
| 1472 | vir_bytes count;
|
|---|
| 1473 | void *loc_addr;
|
|---|
| 1474 | {
|
|---|
| 1475 | /*phys_bytes dst;
|
|---|
| 1476 |
|
|---|
| 1477 | dst = numap_local(user_proc, user_addr, count);
|
|---|
| 1478 | if (!dst)
|
|---|
| 1479 | panic( "lance", "umap failed", NO_NUM);
|
|---|
| 1480 |
|
|---|
| 1481 | phys_copy(vir2phys(loc_addr), dst, (phys_bytes) count);
|
|---|
| 1482 | */
|
|---|
| 1483 | int cps;
|
|---|
| 1484 | cps = sys_datacopy(SELF, (vir_bytes) loc_addr, user_proc, user_addr, count);
|
|---|
| 1485 | if (cps != OK) printf("lance: warning, scopy failed: %d\n", cps);
|
|---|
| 1486 | }
|
|---|
| 1487 |
|
|---|
| 1488 | /*===========================================================================*
|
|---|
| 1489 | * do_stop *
|
|---|
| 1490 | *===========================================================================*/
|
|---|
| 1491 | static void do_stop(mp)
|
|---|
| 1492 | message *mp;
|
|---|
| 1493 | {
|
|---|
| 1494 | int port;
|
|---|
| 1495 | ether_card_t *ec;
|
|---|
| 1496 | unsigned short ioaddr;
|
|---|
| 1497 |
|
|---|
| 1498 | port = mp->DL_PORT;
|
|---|
| 1499 | if (port < 0 || port >= EC_PORT_NR_MAX)
|
|---|
| 1500 | panic( "lance", "illegal port", port);
|
|---|
| 1501 | ec = &ec_table[port];
|
|---|
| 1502 |
|
|---|
| 1503 | if (!(ec->flags & ECF_ENABLED))
|
|---|
| 1504 | return;
|
|---|
| 1505 |
|
|---|
| 1506 | ioaddr = ec->ec_port;
|
|---|
| 1507 |
|
|---|
| 1508 | out_word(ioaddr+LANCE_ADDR, 0x0);
|
|---|
| 1509 | (void)in_word(ioaddr+LANCE_ADDR);
|
|---|
| 1510 | out_word(ioaddr+LANCE_DATA, 0x4); /* stop */
|
|---|
| 1511 | out_word(ioaddr+LANCE_RESET, in_word(ioaddr+LANCE_RESET)); /* reset */
|
|---|
| 1512 |
|
|---|
| 1513 | ec->flags = ECF_EMPTY;
|
|---|
| 1514 | }
|
|---|
| 1515 |
|
|---|
| 1516 | static void getAddressing(devind, ec)
|
|---|
| 1517 | int devind;
|
|---|
| 1518 | ether_card_t *ec;
|
|---|
| 1519 | {
|
|---|
| 1520 | unsigned int membase, ioaddr;
|
|---|
| 1521 | int reg, irq;
|
|---|
| 1522 |
|
|---|
| 1523 | for (reg = PCI_BASE_ADDRESS_0; reg <= PCI_BASE_ADDRESS_5; reg += 4)
|
|---|
| 1524 | {
|
|---|
| 1525 | ioaddr = pci_attr_r32(devind, reg);
|
|---|
| 1526 |
|
|---|
| 1527 | if ((ioaddr & PCI_BASE_ADDRESS_IO_MASK) == 0
|
|---|
| 1528 | || (ioaddr & PCI_BASE_ADDRESS_SPACE_IO) == 0)
|
|---|
| 1529 | continue;
|
|---|
| 1530 | /* Strip the I/O address out of the returned value */
|
|---|
| 1531 | ioaddr &= PCI_BASE_ADDRESS_IO_MASK;
|
|---|
| 1532 | /* Get the memory base address */
|
|---|
| 1533 | membase = pci_attr_r32(devind, PCI_BASE_ADDRESS_1);
|
|---|
| 1534 | /* KK: Get the IRQ number */
|
|---|
| 1535 | irq = pci_attr_r8(devind, PCI_INTERRUPT_PIN);
|
|---|
| 1536 | if (irq)
|
|---|
| 1537 | irq = pci_attr_r8(devind, PCI_INTERRUPT_LINE);
|
|---|
| 1538 | /* Get the ROM base address */
|
|---|
| 1539 | /*pci_attr_r32(devind, PCI_ROM_ADDRESS, &romaddr);
|
|---|
| 1540 | romaddr >>= 10;*/
|
|---|
| 1541 | /* Take the first one or the one that matches in boot ROM address */
|
|---|
| 1542 | /*if (pci_ioaddr == 0
|
|---|
| 1543 | || romaddr == ((unsigned long) rom.rom_segment << 4)) {*/
|
|---|
| 1544 | ec->ec_linmem = membase;
|
|---|
| 1545 | ec->ec_port = ioaddr;
|
|---|
| 1546 | ec->ec_irq = irq;
|
|---|
| 1547 | /*}*/
|
|---|
| 1548 | }
|
|---|
| 1549 | }
|
|---|
| 1550 |
|
|---|
| 1551 | /*===========================================================================*
|
|---|
| 1552 | * lance_probe *
|
|---|
| 1553 | *===========================================================================*/
|
|---|
| 1554 | static int lance_probe(ec)
|
|---|
| 1555 | ether_card_t *ec;
|
|---|
| 1556 | {
|
|---|
| 1557 | unsigned short pci_cmd, attached = 0;
|
|---|
| 1558 | unsigned short ioaddr;
|
|---|
| 1559 | int lance_version, chip_version;
|
|---|
| 1560 | int devind, just_one, i, r;
|
|---|
| 1561 |
|
|---|
| 1562 | u16_t vid, did;
|
|---|
| 1563 | u32_t bar;
|
|---|
| 1564 | u8_t ilr;
|
|---|
| 1565 | char *dname;
|
|---|
| 1566 |
|
|---|
| 1567 | if ((ec->ec_pcibus | ec->ec_pcidev | ec->ec_pcifunc) != 0)
|
|---|
| 1568 | {
|
|---|
| 1569 | /* Look for specific PCI device */
|
|---|
| 1570 | r= pci_find_dev(ec->ec_pcibus, ec->ec_pcidev,
|
|---|
| 1571 | ec->ec_pcifunc, &devind);
|
|---|
| 1572 | if (r == 0)
|
|---|
| 1573 | {
|
|---|
| 1574 | printf("%s: no PCI found at %d.%d.%d\n",
|
|---|
| 1575 | ec->port_name, ec->ec_pcibus,
|
|---|
| 1576 | ec->ec_pcidev, ec->ec_pcifunc);
|
|---|
| 1577 | return 0;
|
|---|
| 1578 | }
|
|---|
| 1579 | pci_ids(devind, &vid, &did);
|
|---|
| 1580 | just_one= TRUE;
|
|---|
| 1581 | }
|
|---|
| 1582 | else
|
|---|
| 1583 | {
|
|---|
| 1584 | r= pci_first_dev(&devind, &vid, &did);
|
|---|
| 1585 | if (r == 0)
|
|---|
| 1586 | return 0;
|
|---|
| 1587 | just_one= FALSE;
|
|---|
| 1588 | }
|
|---|
| 1589 |
|
|---|
| 1590 | for(;;)
|
|---|
| 1591 | {
|
|---|
| 1592 | for (i= 0; pcitab[i].vid != 0; i++)
|
|---|
| 1593 | {
|
|---|
| 1594 | if (pcitab[i].vid != vid)
|
|---|
| 1595 | continue;
|
|---|
| 1596 | if (pcitab[i].did != did)
|
|---|
| 1597 | continue;
|
|---|
| 1598 | if (pcitab[i].checkclass)
|
|---|
| 1599 | {
|
|---|
| 1600 | panic("lance",
|
|---|
| 1601 | "class check not implemented", NO_NUM);
|
|---|
| 1602 | }
|
|---|
| 1603 | break;
|
|---|
| 1604 | }
|
|---|
| 1605 | if (pcitab[i].vid != 0)
|
|---|
| 1606 | break;
|
|---|
| 1607 |
|
|---|
| 1608 | if (just_one)
|
|---|
| 1609 | {
|
|---|
| 1610 | printf(
|
|---|
| 1611 | "%s: wrong PCI device (%04x/%04x) found at %d.%d.%d\n",
|
|---|
| 1612 | ec->port_name, vid, did,
|
|---|
| 1613 | ec->ec_pcibus,
|
|---|
| 1614 | ec->ec_pcidev, ec->ec_pcifunc);
|
|---|
| 1615 | return 0;
|
|---|
| 1616 | }
|
|---|
| 1617 |
|
|---|
| 1618 | r= pci_next_dev(&devind, &vid, &did);
|
|---|
| 1619 | if (!r)
|
|---|
| 1620 | return 0;
|
|---|
| 1621 | }
|
|---|
| 1622 |
|
|---|
| 1623 | dname= pci_dev_name(vid, did);
|
|---|
| 1624 | if (!dname)
|
|---|
| 1625 | dname= "unknown device";
|
|---|
| 1626 |
|
|---|
| 1627 | /*
|
|---|
| 1628 | printf("%s: ", ec->port_name);
|
|---|
| 1629 | printf("%s ", dname);
|
|---|
| 1630 | printf("(%x/", vid);
|
|---|
| 1631 | printf("%x) ", did);
|
|---|
| 1632 | printf("at %s\n", pci_slot_name(devind));
|
|---|
| 1633 | */
|
|---|
| 1634 | pci_reserve(devind);
|
|---|
| 1635 |
|
|---|
| 1636 | /* for (i = 0; pci_dev_list[i].vendor != 0; i++) {
|
|---|
| 1637 | if (pci_dev_list[i].suffix == 1)
|
|---|
| 1638 | {
|
|---|
| 1639 | ec->ec_port = pci_dev_list[i].ioaddr;
|
|---|
| 1640 | ec->ec_irq = pci_dev_list[i].irq;
|
|---|
| 1641 | ec->ec_linmem = pci_dev_list[i].membase;
|
|---|
| 1642 | ec->ec_bus = pci_dev_list[i].bus;
|
|---|
| 1643 | ec->ec_dev = pci_dev_list[i].devfn;
|
|---|
| 1644 | ec->ec_fnc =
|
|---|
| 1645 | pci_dev_list[i].suffix = -1;
|
|---|
| 1646 | attached = 1;
|
|---|
| 1647 | break;
|
|---|
| 1648 | }
|
|---|
| 1649 | }
|
|---|
| 1650 | if (attached == 0)
|
|---|
| 1651 | return 0;
|
|---|
| 1652 | */
|
|---|
| 1653 | getAddressing(devind, ec);
|
|---|
| 1654 |
|
|---|
| 1655 | /* ===== Bus Master ? ===== */
|
|---|
| 1656 | /*pcibios_read_config_word(ec->ec_bus, ec->ec_devfn, PCI_COMMAND, &pci_cmd);*/
|
|---|
| 1657 | pci_cmd = pci_attr_r32(devind, PCI_CR);
|
|---|
| 1658 | if (!(pci_cmd & PCI_COMMAND_MASTER)) {
|
|---|
| 1659 | pci_cmd |= PCI_COMMAND_MASTER;
|
|---|
| 1660 | /*pcibios_write_config_word(ec->ec_bus, ec->ec_devfn, PCI_COMMAND, pci_cmd);*/
|
|---|
| 1661 | pci_attr_w32(devind, PCI_CR, pci_cmd);
|
|---|
| 1662 | }
|
|---|
| 1663 |
|
|---|
| 1664 | /* ===== Probe Details ===== */
|
|---|
| 1665 | ioaddr = ec->ec_port;
|
|---|
| 1666 |
|
|---|
| 1667 | out_word(ioaddr+LANCE_RESET, in_word(ioaddr+LANCE_RESET)); /* Reset */
|
|---|
| 1668 | out_word(ioaddr+LANCE_ADDR, 0x0); /* Sw to win 0 */
|
|---|
| 1669 | if (in_word(ioaddr+LANCE_DATA) != 0x4)
|
|---|
| 1670 | {
|
|---|
| 1671 | ec->mode=EC_DISABLED;
|
|---|
| 1672 | }
|
|---|
| 1673 | /* Probe Chip Version */
|
|---|
| 1674 | out_word(ioaddr+LANCE_ADDR, 88); /* Get the version of the chip */
|
|---|
| 1675 | if (in_word(ioaddr+LANCE_ADDR) != 88)
|
|---|
| 1676 | lance_version = 0;
|
|---|
| 1677 | else
|
|---|
| 1678 | {
|
|---|
| 1679 | chip_version = in_word(ioaddr+LANCE_DATA);
|
|---|
| 1680 | out_word(ioaddr+LANCE_ADDR, 89);
|
|---|
| 1681 | chip_version |= in_word(ioaddr+LANCE_DATA) << 16;
|
|---|
| 1682 | if ((chip_version & 0xfff) != 0x3)
|
|---|
| 1683 | {
|
|---|
| 1684 | ec->mode=EC_DISABLED;
|
|---|
| 1685 | }
|
|---|
| 1686 | chip_version = (chip_version >> 12) & 0xffff;
|
|---|
| 1687 | for (lance_version = 1; chip_table[lance_version].id_number != 0;
|
|---|
| 1688 | ++lance_version)
|
|---|
| 1689 | if (chip_table[lance_version].id_number == chip_version)
|
|---|
| 1690 | break;
|
|---|
| 1691 | }
|
|---|
| 1692 |
|
|---|
| 1693 | #if 0
|
|---|
| 1694 | printf("%s: %s at %X:%d\n",
|
|---|
| 1695 | ec->port_name, chip_table[lance_version].name,
|
|---|
| 1696 | ec->ec_port, ec->ec_irq);
|
|---|
| 1697 | #endif
|
|---|
| 1698 |
|
|---|
| 1699 | return lance_version;
|
|---|
| 1700 | }
|
|---|
| 1701 |
|
|---|
| 1702 | /*===========================================================================*
|
|---|
| 1703 | * do_getname *
|
|---|
| 1704 | *===========================================================================*/
|
|---|
| 1705 | static void do_getname(mp)
|
|---|
| 1706 | message *mp;
|
|---|
| 1707 | {
|
|---|
| 1708 | int r;
|
|---|
| 1709 |
|
|---|
| 1710 | strncpy(mp->DL_NAME, progname, sizeof(mp->DL_NAME));
|
|---|
| 1711 | mp->DL_NAME[sizeof(mp->DL_NAME)-1]= '\0';
|
|---|
| 1712 | mp->m_type= DL_NAME_REPLY;
|
|---|
| 1713 | r= send(mp->m_source, mp);
|
|---|
| 1714 | if (r != OK)
|
|---|
| 1715 | panic("LANCE", "do_getname: send failed", r);
|
|---|
| 1716 | }
|
|---|
| 1717 |
|
|---|
| 1718 | /*===========================================================================*
|
|---|
| 1719 | * lance_init_card *
|
|---|
| 1720 | *===========================================================================*/
|
|---|
| 1721 | static void lance_init_card(ec)
|
|---|
| 1722 | ether_card_t *ec;
|
|---|
| 1723 | {
|
|---|
| 1724 | int i;
|
|---|
| 1725 | Address l;
|
|---|
| 1726 | unsigned short ioaddr = ec->ec_port;
|
|---|
| 1727 |
|
|---|
| 1728 | /* ============= setup init_block(cf. lance_probe1) ================ */
|
|---|
| 1729 | /* make sure data structure is 8-byte aligned */
|
|---|
| 1730 | l = ((Address)lance + 7) & ~7;
|
|---|
| 1731 | lp = (struct lance_interface *)l;
|
|---|
| 1732 | lp->init_block.mode = 0x3; /* disable Rx and Tx */
|
|---|
| 1733 | lp->init_block.filter[0] = lp->init_block.filter[1] = 0x0;
|
|---|
| 1734 | /* using multiple Rx/Tx buffer */
|
|---|
| 1735 | lp->init_block.rx_ring
|
|---|
| 1736 | = (virt_to_bus(&lp->rx_ring) & 0xffffff) | RX_RING_LEN_BITS;
|
|---|
| 1737 | lp->init_block.tx_ring
|
|---|
| 1738 | = (virt_to_bus(&lp->tx_ring) & 0xffffff) | TX_RING_LEN_BITS;
|
|---|
| 1739 |
|
|---|
| 1740 | l = virt_to_bus(&lp->init_block);
|
|---|
| 1741 | out_word(ioaddr+LANCE_ADDR, 0x1);
|
|---|
| 1742 | (void)in_word(ioaddr+LANCE_ADDR);
|
|---|
| 1743 | out_word(ioaddr+LANCE_DATA, (unsigned short)l);
|
|---|
| 1744 | out_word(ioaddr+LANCE_ADDR, 0x2);
|
|---|
| 1745 | (void)in_word(ioaddr+LANCE_ADDR);
|
|---|
| 1746 | out_word(ioaddr+LANCE_DATA, (unsigned short)(l >> 16));
|
|---|
| 1747 | out_word(ioaddr+LANCE_ADDR, 0x4);
|
|---|
| 1748 | (void)in_word(ioaddr+LANCE_ADDR);
|
|---|
| 1749 | out_word(ioaddr+LANCE_DATA, 0x915);
|
|---|
| 1750 | out_word(ioaddr+LANCE_ADDR, 0x0);
|
|---|
| 1751 | (void)in_word(ioaddr+LANCE_ADDR);
|
|---|
| 1752 |
|
|---|
| 1753 | /* ============= Get MAC address (cf. lance_probe1) ================ */
|
|---|
| 1754 | for (i = 0; i < 6; ++i)
|
|---|
| 1755 | ec->mac_address.ea_addr[i]=in_byte(ioaddr+LANCE_ETH_ADDR+i);
|
|---|
| 1756 |
|
|---|
| 1757 | /* ============ (re)start init_block(cf. lance_reset) =============== */
|
|---|
| 1758 | /* Reset the LANCE */
|
|---|
| 1759 | (void)in_word(ioaddr+LANCE_RESET);
|
|---|
| 1760 |
|
|---|
| 1761 | /* ----- Re-initialize the LANCE ----- */
|
|---|
| 1762 | /* Set station address */
|
|---|
| 1763 | for (i = 0; i < 6; ++i)
|
|---|
| 1764 | lp->init_block.phys_addr[i] = ec->mac_address.ea_addr[i];
|
|---|
| 1765 | /* Preset the receive ring headers */
|
|---|
| 1766 | for (i=0; i<RX_RING_SIZE; i++) {
|
|---|
| 1767 | lp->rx_ring[i].buf_length = -ETH_FRAME_LEN;
|
|---|
| 1768 | /* OWN */
|
|---|
| 1769 | lp->rx_ring[i].u.base = virt_to_bus(lp->rbuf[i]) & 0xffffff;
|
|---|
| 1770 | /* we set the top byte as the very last thing */
|
|---|
| 1771 | lp->rx_ring[i].u.addr[3] = 0x80;
|
|---|
| 1772 | }
|
|---|
| 1773 | /* Preset the transmitting ring headers */
|
|---|
| 1774 | for (i=0; i<TX_RING_SIZE; i++) {
|
|---|
| 1775 | lp->tx_ring[i].u.base = 0;
|
|---|
| 1776 | isstored[i] = 0;
|
|---|
| 1777 | }
|
|---|
| 1778 | lp->init_block.mode = 0x0; /* enable Rx and Tx */
|
|---|
| 1779 |
|
|---|
| 1780 | l = (Address)virt_to_bus(&lp->init_block);
|
|---|
| 1781 | out_word(ioaddr+LANCE_ADDR, 0x1);
|
|---|
| 1782 | (void)in_word(ioaddr+LANCE_ADDR);
|
|---|
| 1783 | out_word(ioaddr+LANCE_DATA, (short)l);
|
|---|
| 1784 | out_word(ioaddr+LANCE_ADDR, 0x2);
|
|---|
| 1785 | (void)in_word(ioaddr+LANCE_ADDR);
|
|---|
| 1786 | out_word(ioaddr+LANCE_DATA, (short)(l >> 16));
|
|---|
| 1787 | out_word(ioaddr+LANCE_ADDR, 0x4);
|
|---|
| 1788 | (void)in_word(ioaddr+LANCE_ADDR);
|
|---|
| 1789 | out_word(ioaddr+LANCE_DATA, 0x915);
|
|---|
| 1790 | out_word(ioaddr+LANCE_ADDR, 0x0);
|
|---|
| 1791 | (void)in_word(ioaddr+LANCE_ADDR);
|
|---|
| 1792 |
|
|---|
| 1793 | /* ----- start when init done. ----- */
|
|---|
| 1794 | out_word(ioaddr+LANCE_DATA, 0x4); /* stop */
|
|---|
| 1795 | out_word(ioaddr+LANCE_DATA, 0x1); /* init */
|
|---|
| 1796 | for (i = 10000; i > 0; --i)
|
|---|
| 1797 | if (in_word(ioaddr+LANCE_DATA) & 0x100)
|
|---|
| 1798 | break;
|
|---|
| 1799 |
|
|---|
| 1800 | /* Set 'Multicast Table' */
|
|---|
| 1801 | for (i=0;i<4;++i)
|
|---|
| 1802 | {
|
|---|
| 1803 | out_word(ioaddr+LANCE_ADDR, 0x8 + i);
|
|---|
| 1804 | out_word(ioaddr+LANCE_DATA, 0xffff);
|
|---|
| 1805 | }
|
|---|
| 1806 |
|
|---|
| 1807 | /* Set 'Receive Mode' */
|
|---|
| 1808 | if (ec->flags & ECF_PROMISC)
|
|---|
| 1809 | {
|
|---|
| 1810 | out_word(ioaddr+LANCE_ADDR, 0xf);
|
|---|
| 1811 | out_word(ioaddr+LANCE_DATA, 0x8000);
|
|---|
| 1812 | }
|
|---|
| 1813 | else
|
|---|
| 1814 | {
|
|---|
| 1815 | if (ec->flags & (ECF_BROAD | ECF_MULTI))
|
|---|
| 1816 | {
|
|---|
| 1817 | out_word(ioaddr+LANCE_ADDR, 0xf);
|
|---|
| 1818 | out_word(ioaddr+LANCE_DATA, 0x0000);
|
|---|
| 1819 | }
|
|---|
| 1820 | else
|
|---|
| 1821 | {
|
|---|
| 1822 | out_word(ioaddr+LANCE_ADDR, 0xf);
|
|---|
| 1823 | out_word(ioaddr+LANCE_DATA, 0x4000);
|
|---|
| 1824 | }
|
|---|
| 1825 | }
|
|---|
| 1826 |
|
|---|
| 1827 | out_word(ioaddr+LANCE_ADDR, 0x0);
|
|---|
| 1828 | (void)in_word(ioaddr+LANCE_ADDR);
|
|---|
| 1829 | out_word(ioaddr+LANCE_DATA, 0x142); /* start && enable interrupt */
|
|---|
| 1830 |
|
|---|
| 1831 | return;
|
|---|
| 1832 | }
|
|---|
