minix_source_3_1_1.rar_minix

/* * rtl8139.c * * This file contains a ethernet device driver for Realtek rtl8139 based * ethernet cards. * * The valid messages and their parameters are: * * m_type DL_PORT DL_PROC DL_COUNT DL_MODE DL_ADDR * |------------+----------+---------+----------+---------+---------| * | HARD_INT | | | | | | * |------------|----------|---------|----------|---------|---------| * | SYS_SIG | | | | | | * |------------|----------|---------|----------|---------|---------| * | DL_WRITE | port nr | proc nr | count | mode | address | * |------------|----------|---------|----------|---------|---------| * | DL_WRITEV | port nr | proc nr | count | mode | address | * |------------|----------|---------|----------|---------|---------| * | DL_READ | port nr | proc nr | count | | address | * |------------|----------|---------|----------|---------|---------| * | DL_READV | port nr | proc nr | count | | address | * |------------|----------|---------|----------|---------|---------| * | DL_INIT | port nr | proc nr | mode | | address | * |------------|----------|---------|----------|---------|---------| * | DL_GETSTAT | port nr | proc nr | | | address | * |------------|----------|---------|----------|---------|---------| * | DL_GETNAME | | | | | | * |------------|----------|---------|----------|---------|---------| * | DL_STOP | port_nr | | | | | * |------------|----------|---------|----------|---------|---------| * * The messages sent are: * * m-type DL_POR T DL_PROC DL_COUNT DL_STAT DL_CLCK * |------------|----------|---------|----------|---------|---------| * |DL_TASK_REPL| port nr | proc nr | rd-count | err|stat| clock | * |------------|----------|---------|----------|---------|---------| * * m_type m3_i1 m3_i2 m3_ca1 * |------------+---------+-----------+---------------| * |DL_INIT_REPL| port nr | last port | ethernet addr | * |------------|---------|-----------|---------------| * * Created: Aug 2003 by Philip Homburg <philip@cs.vu.nl> * Changes: * Aug 15, 2004 sync alarms replace watchdogs timers (Jorrit N. Herder) * May 02, 2004 flag alarms replace micro_elapsed() (Jorrit N. Herder) * */ #include "../drivers.h" #include <stdlib.h> #include <stdio.h> #include <string.h> #include <stddef.h> #include <minix/com.h> #include <minix/keymap.h> #include <minix/syslib.h> #include <minix/type.h> #include <minix/sysutil.h> #include <timers.h> #include <ibm/portio.h> #include <net/hton.h> #include <net/gen/ether.h> #include <net/gen/eth_io.h> #include <sys/types.h> #include <fcntl.h> #include <assert.h> #include <unistd.h> #include <sys/ioc_memory.h> #include "../../kernel/const.h" #include "../../kernel/config.h" #include "../../kernel/type.h" #define tmra_ut timer_t #define tmra_inittimer(tp) tmr_inittimer(tp) #define Proc_number(p) proc_number(p) #define debug 0 #define printW() ((void)0) #define vm_1phys2bus(p) (p) #define VERBOSE 0 /* display message during init */ #include "../libpci/pci.h" #include "rtl8139.h" #define RX_BUFSIZE RL_RCR_RBLEN_64K_SIZE #define RX_BUFBITS RL_RCR_RBLEN_64K #define N_TX_BUF RL_N_TX #define RE_PORT_NR 1 /* Minix */ /* I/O vectors are handled IOVEC_NR entries at a time. */ #define IOVEC_NR 16 /* Configuration */ #define RL_ENVVAR "RTLETH" PRIVATE struct pcitab { u16_t vid; u16_t did; int checkclass; } pcitab[]= { { 0x10ec, 0x8139, 0 }, /* Realtek RTL8139 */ { 0x1186, 0x1300, 0 }, /* D-Link RTL8139 */ { 0x0000, 0x0000, 0 } }; typedef struct re { port_t re_base_port; int re_irq; int re_mode; int re_flags; int re_client; int re_link_up; int re_got_int; int re_send_int; int re_report_link; int re_clear_rx; int re_need_reset; int re_tx_alive; char *re_model; /* Rx */ phys_bytes re_rx_buf; char *v_re_rx_buf; vir_bytes re_read_s; /* Tx */ int re_tx_head; int re_tx_tail; struct { int ret_busy; phys_bytes ret_buf; char * v_ret_buf; } re_tx[N_TX_BUF]; u32_t re_ertxth; /* Early Tx Threshold */ /* PCI related */ int re_seen; /* TRUE iff device available */ u8_t re_pcibus; u8_t re_pcidev; u8_t re_pcifunc; /* 'large' items */ int re_hook_id; /* IRQ hook id at kernel */ eth_stat_t re_stat; ether_addr_t re_address; message re_rx_mess; message re_tx_mess; char re_name[sizeof("rtl8139#n")]; iovec_t re_iovec[IOVEC_NR]; } re_t; #define REM_DISABLED 0x0 #define REM_ENABLED 0x1 #define REF_PACK_SENT 0x001 #define REF_PACK_RECV 0x002 #define REF_SEND_AVAIL 0x004 #define REF_READING 0x010 #define REF_EMPTY 0x000 #define REF_PROMISC 0x040 #define REF_MULTI 0x080 #define REF_BROAD 0x100 #define REF_ENABLED 0x200 static re_t re_table[RE_PORT_NR]; static u16_t eth_ign_proto; static tmra_ut rl_watchdog; FORWARD _PROTOTYPE( unsigned my_inb, (U16_t port) ); FORWARD _PROTOTYPE( unsigned my_inw, (U16_t port) ); FORWARD _PROTOTYPE( unsigned my_inl, (U16_t port) ); static unsigned my_inb(U16_t port) { U8_t value; int s; if ((s=sys_inb(port, &value)) !=OK) printf("RTL8139: warning, sys_inb failed: %d\n", s); return value; } static unsigned my_inw(U16_t port) { U16_t value; int s; if ((s=sys_inw(port, &value)) !=OK) printf("RTL8139: warning, sys_inw failed: %d\n", s); return value; } static unsigned my_inl(U16_t port) { U32_t value; int s; if ((s=sys_inl(port, &value)) !=OK) printf("RTL8139: warning, sys_inl failed: %d\n", s); return value; } #define rl_inb(port, offset) (my_inb((port) + (offset))) #define rl_inw(port, offset) (my_inw((port) + (offset))) #define rl_inl(port, offset) (my_inl((port) + (offset))) FORWARD _PROTOTYPE( void my_outb, (U16_t port, U8_t value) ); FORWARD _PROTOTYPE( void my_outw, (U16_t port, U16_t value) ); FORWARD _PROTOTYPE( void my_outl, (U16_t port, U32_t value) ); static void my_outb(U16_t port, U8_t value) { int s; if ((s=sys_outb(port, value)) !=OK) printf("RTL8139: warning, sys_outb failed: %d\n", s); } static void my_outw(U16_t port, U16_t value) { int s; if ((s=sys_outw(port, value)) !=OK) printf("RTL8139: warning, sys_outw failed: %d\n", s); } static void my_outl(U16_t port, U32_t value) { int s; if ((s=sys_outl(port, value)) !=OK) printf("RTL8139: warning, sys_outl failed: %d\n", s); } #define rl_outb(port, offset, value) (my_outb((port) + (offset), (value))) #define rl_outw(port, offset, value) (my_outw((port) + (offset), (value))) #define rl_outl(port, offset, value) (my_outl((port) + (offset), (value))) _PROTOTYPE( static void rl_init, (message *mp) ); _PROTOTYPE( static void rl_pci_conf, (void) ); _PROTOTYPE( static int rl_probe, (re_t *rep) ); _PROTOTYPE( static void rl_conf_hw, (re_t *rep) ); _PROTOTYPE( static void rl_init_buf, (re_t *rep) ); _PROTOTYPE( static void rl_init_hw, (re_t *rep) ); _PROTOTYPE( static void rl_reset_hw, (re_t *rep) ); _PROTOTYPE( static void rl_confaddr, (re_t *rep) ); _PROTOTYPE( static void rl_rec_mode, (re_t *rep) ); _PROTOTYPE( static void rl_readv, (message *mp, int from_int, int vectored) ); _PROTOTYPE( static void rl_writev, (message *mp, int from_int, int vectored) ); _PROTOTYPE( static void rl_check_ints, (re_t *rep) ); _PROTOTYPE( static void rl_report_link, (re_t *rep) ); _PROTOTYPE( static void mii_print_techab, (U16_t techab) ); _PROTOTYPE( static void mii_print_stat_speed, (U16_t stat, U16_t extstat) ); _PROTOTYPE( static void rl_clear_rx, (re_t *rep) ); _PROTOTYPE( static void rl_do_reset, (re_t *rep) ); _PROTOTYPE( static void rl_getstat, (message *mp) ); _PROTOTYPE( static void rl_getname, (message *mp) ); _PROTOTYPE( static void reply, (re_t *rep, int err, int may_block) ); _PROTOTYPE( static void mess_reply, (message *req, message *reply) ); _PROTOTYPE( static void put_userdata, (int user_proc, vir_