usrnetwork.c

一个VXWORKS的网络驱动原代码

    -----------		----		-------		-------
    */
    {64,		NUM_64,		NULL,		0},
    {128,		NUM_128,	NULL,		0},
    {256,		NUM_256,	NULL,		0},
    {512,		NUM_512,	NULL,		0},
    {1024,		NUM_1024,	NULL,		0},
    {2048,		NUM_2048,	NULL,		0}
    };
int clDescTblNumEnt = (NELEMENTS(clDescTbl));

/*
 * mBlk, clBlk configuration table for network stack system pool.
 * Used for network stack system structures such as routes, sockets,
 * protocol control blocks, interface addresses, mulitcast addresses,
 * and multicast routing entries.
 */
M_CL_CONFIG sysMclBlkConfig =
    {
    /*
    no. mBlks		no. clBlks		memArea		memSize
    -----------		----------		-------		-------
    */
    NUM_SYS_MBLKS, 	NUM_SYS_CL_BLKS,	NULL, 		0
    };

/*
 * network stack system cluster pool configuration table
 * Used for network stack system structures such as routes, sockets,
 * protocol control blocks, interface addresses, mulitcast addresses,
 * and multicast routing entries.
 */
CL_DESC sysClDescTbl [] =
    {
    /*
    clusterSize		num		memArea		memSize
    -----------		----		-------		-------
    */
    {64,		NUM_SYS_64,	NULL,		0},
    {128,		NUM_SYS_128,	NULL,		0},
    {256,		NUM_SYS_256,	NULL,		0},
    {512,		NUM_SYS_512,	NULL,		0},
    };
int sysClDescTblNumEnt = (NELEMENTS(sysClDescTbl));

#ifdef INCLUDE_END	

#ifndef MUX_MAX_BINDS
#define MUX_MAX_BINDS 16
#endif /* MUX_MAX_BINDS */

#endif 	/* INCLUDE_END */


#ifndef IP_MAX_UNITS 
#define IP_MAX_UNITS 1
#endif

IP_DRV_CTRL ipDrvCtrl [IP_MAX_UNITS]; 
int ipMaxUnits = IP_MAX_UNITS;


#ifndef ARP_MAX_ENTRIES
#define ARP_MAX_ENTRIES 20
#endif

IMPORT int arpMaxEntries;

/*
 * These parameters are required when using the routines arpShow, routeShow or
 * mRouteShow either through a remote session like telnet or through the host
 * shell using WDB_COMM_NETWORK. Here RT_BUFFERED_DISPLAY should be set to
 * TRUE. This will cause the route entries to be stored in a buffer before
 * being displayed. RT_DISPLAY_MEMORY sets the size of the buffer in bytes.
 * Some entries may not be displayed depending on the value of this parameter.
 */

#ifdef INCLUDE_NET_SHOW
#define RT_DISPLAY_MEMORY   10000
#define RT_BUFFERED_DISPLAY FALSE
#endif

#ifdef INCLUDE_MIB2_SYSTEM
#define MIB2_SYS_DESCR    "VxWorks SNMPv1/v2c Agent"
#define MIB2_SYS_CONTACT  "Wind River Systems"
#define MIB2_SYS_LOCATION "Planet Earth"
#define MIB2_SYS_OBJID    NULL
#endif

#ifdef INCLUDE_MIB2_IF
#define MIB2IF_TRAP_RTN NULL
#define MIB2IF_TRAP_ARG NULL
#endif

#ifdef INCLUDE_MIB2_IP
#define MIB2IP_MAX_ROUTE_TBL_SIZE 0
#endif


#ifdef	INCLUDE_PPP

#ifndef PPP_OPTIONS_FLAGS
#define PPP_OPTIONS_FLAGS ((PPP_OPT_NO_ALL << PPP_S_NO_ALL)  | \
    (PPP_OPT_PASSIVE_MODE << PPP_S_PASSIVE_MODE)             | \
    (PPP_OPT_SILENT_MODE << PPP_S_SILENT_MODE)               | \
    (PPP_OPT_DEFAULTROUTE << PPP_S_DEFAULTROUTE)             | \
    (PPP_OPT_PROXYARP << PPP_S_PROXYARP)                     | \
    (PPP_OPT_IPCP_ACCEPT_LOCAL << PPP_S_IPCP_ACCEPT_LOCAL)   | \
    (PPP_OPT_IPCP_ACCEPT_REMOTE << PPP_S_IPCP_ACCEPT_REMOTE) | \
    (PPP_OPT_NO_IP << PPP_S_NO_IP)                           | \
    (PPP_OPT_NO_ACC << PPP_S_NO_ACC)                         | \
    (PPP_OPT_NO_PC << PPP_S_NO_PC)                           | \
    (PPP_OPT_NO_VJ << PPP_S_NO_VJ)                           | \
    (PPP_OPT_NO_VJCCOMP << PPP_S_NO_VJCCOMP)                 | \
    (PPP_OPT_NO_ASYNCMAP << PPP_S_NO_ASYNCMAP)               | \
    (PPP_OPT_NO_MN << PPP_S_NO_MN)                           | \
    (PPP_OPT_NO_MRU << PPP_S_NO_MRU)                         | \
    (PPP_OPT_NO_PAP << PPP_S_NO_PAP)                         | \
    (PPP_OPT_NO_CHAP << PPP_S_NO_CHAP)                       | \
    (PPP_OPT_REQUIRE_PAP << PPP_S_REQUIRE_PAP)               | \
    (PPP_OPT_REQUIRE_CHAP << PPP_S_REQUIRE_CHAP)             | \
    (PPP_OPT_LOGIN << PPP_S_LOGIN)                           | \
    (PPP_OPT_DEBUG << PPP_S_DEBUG)                           | \
    (PPP_OPT_DRIVER_DEBUG << PPP_S_DRIVER_DEBUG))
#endif  /* PPP_OPTIONS_FLAGS */

PPP_OPTIONS pppOptions =
    {
    PPP_OPTIONS_FLAGS,              /* flags field */
    PPP_STR_ASYNCMAP,               /* Set the desired async map */
    PPP_STR_ESCAPE_CHARS,           /* Set chars to escape on transmission */
    PPP_STR_VJ_MAX_SLOTS,           /* Set max VJ compression header slots */
    PPP_STR_NETMASK,                /* Set netmask value for negotiation */
    PPP_STR_MRU,                    /* Set MRU value for negotiation */
    PPP_STR_MTU,                    /* Set MTU value for negotiation */
    PPP_STR_LCP_ECHO_FAILURE,       /* Set max consecutive LCP echo failures */
    PPP_STR_LCP_ECHO_INTERVAL,      /* Set time for LCP echo requests */
    PPP_STR_LCP_RESTART,            /* Set timeout for LCP */
    PPP_STR_LCP_MAX_TERMINATE,      /* Set max # xmits for LCP term-reqs */
    PPP_STR_LCP_MAX_CONFIGURE,      /* Set max # xmits for LCP conf-reqs */
    PPP_STR_LCP_MAX_FAILURE,        /* Set max # conf-naks for LCP */
    PPP_STR_IPCP_RESTART,           /* Set timeout for IPCP */
    PPP_STR_IPCP_MAX_TERMINATE,     /* Set max # xmits for IPCP term-reqs */
    PPP_STR_IPCP_MAX_CONFIGURE,     /* Set max # xmits for IPCP conf-reqs */
    PPP_STR_IPCP_MAX_FAILURE,       /* Set max # conf-naks for IPCP */
    PPP_STR_LOCAL_AUTH_NAME,        /* Set local name for authentication */
    PPP_STR_REMOTE_AUTH_NAME,       /* Set remote name for authentication */
    PPP_STR_PAP_FILE,               /* Set the PAP secrets file */
    PPP_STR_PAP_USER_NAME,          /* Set username for PAP auth with peer */
    PPP_STR_PAP_PASSWD,             /* Set password for PAP auth with peer */
    PPP_STR_PAP_RESTART,            /* Set timeout for PAP */
    PPP_STR_PAP_MAX_AUTHREQ,        /* Set max # xmits for PAP auth-reqs */
    PPP_STR_CHAP_FILE,              /* Set the CHAP secrets file */
    PPP_STR_CHAP_RESTART,           /* Set timeout for CHAP */
    PPP_STR_CHAP_INTERVAL,          /* Set interval for CHAP rechallenge */
    PPP_STR_CHAP_MAX_CHALLENGE      /* Set max # xmits for CHAP challenge */
    };
#endif  /* INCLUDE_PPP */

/* extern declarations, IMPORTS */
#ifdef INCLUDE_MIB2_IF
IMPORT FUNCPTR  _m2SetIfLastChange;     /* def'd in if.c for scalability */
IMPORT FUNCPTR  _m2IfTableUpdate;
#endif /* INCLUDE_MIB2_IF */

/* Network interface table. */
IMPORT int lnEbsaattach ();
IMPORT int oliattach();
IMPORT int dcattach ();
IMPORT int eglattach ();
IMPORT int eiattach ();
IMPORT int feiattach ();
IMPORT int exattach ();
IMPORT int enpattach ();
IMPORT int ieattach ();
IMPORT int ilacattach ();
IMPORT int lnattach ();
IMPORT int lnsgiattach ();
IMPORT int nicattach ();
IMPORT int nicEvbattach ();
IMPORT int medattach ();
IMPORT int loattach ();
IMPORT int snattach ();
IMPORT int fnattach ();
IMPORT int elcattach ();
IMPORT int ultraattach ();
IMPORT int eexattach ();
IMPORT int eltattach ();
IMPORT int eneattach ();
IMPORT int esmcattach ();
IMPORT int quattach ();
IMPORT int slattach ();
IMPORT int pppattach ();

#ifdef NETIF_USR_DECL	/* Additional declarations, from BSP */
    NETIF_USR_DECL
#endif

/* generic driver */
#ifdef INCLUDE_END
IMPORT int 	ipAttach ();
IMPORT END_TBL_ENTRY endDevTbl[];
#endif /* INCLUDE_END */

#ifdef  INCLUDE_TCP_DEBUG
IMPORT void tcpTraceInit ();
#endif  /* INCLUDE_TCP_DEBUG */

#ifdef	INCLUDE_IF_USR
IMPORT int IF_USR_ATTACH ();
#endif	/* INCLUDE_IF_USR */


/* local typedefs */


/* variables */

NETIF usrNetIfTbl [] =	/* network interfaces */
    {
#ifdef NETIF_USR_ENTRIES	/* Additional entries, from BSP */
    NETIF_USR_ENTRIES
#endif

#ifdef	INCLUDE_LNEBSA
        { "lnEbsa", lnEbsaattach, (char*)IO_ADRS_LNEBSA, INT_VEC_LNEBSA,
          INT_LVL_LNEBSA, LNEBSA_POOL_ADRS, LNEBSA_POOL_SIZE, LNEBSA_DATA_WIDTH,
          LNEBSA_MODE, LNEBSA_DMA_CHAN },
#endif	/* INCLUDE_LNEBSA */
#ifdef	INCLUDE_OLI
	{ "oli", oliattach, (char*)IO_ADRS_NISA_BASE,
	  IO_ADRS_NISA_PCMCIA, IO_ADRS_NISA_PCMEM,
	  INT_VEC_PCMCIA_A, INT_LVL_PCMCIA_A,
	  INT_VEC_PCMCIA_B, INT_LVL_PCMCIA_B },
#endif	/* INCLUDE_OLI */
#ifdef	INCLUDE_DC
	{ "dc", dcattach, (char*)IO_ADRS_DC, INT_VEC_DC, INT_LVL_DC,
	  DC_POOL_ADRS, DC_POOL_SIZE, DC_DATA_WIDTH, DC_RAM_PCI_ADRS,
	  DC_MODE },
#endif	/* INCLUDE_DC */
#ifdef  INCLUDE_EGL
        { "egl", eglattach, (char*)IO_ADRS_EGL, INT_VEC_EGL, INT_LVL_EGL },
#endif	/* INCLUDE_EGL */
#ifdef	INCLUDE_EI
	{ "ei", eiattach, (char*)INT_VEC_EI, EI_SYSBUS, EI_POOL_ADRS, 0, 0},
#endif	/* INCLUDE_EI */
#ifdef	INCLUDE_FEI
        { "fei", feiattach, (char*)FEI_POOL_ADRS, 0, 0, 0, 0},
#endif	/* INCLUDE_FEI */
#ifdef	INCLUDE_EX
	{ "ex", exattach, (char*)IO_ADRS_EX, INT_VEC_EX, INT_LVL_EX,
	  IO_AM_EX_MASTER, IO_AM_EX },
#endif	/* INCLUDE_EX */
#ifdef	INCLUDE_ENP
	{ "enp", enpattach, (char*)IO_ADRS_ENP, INT_VEC_ENP, INT_LVL_ENP,
	  IO_AM_ENP },
#endif	/* INCLUDE_ENP */
#ifdef	INCLUDE_IE
	{ "ie", ieattach, (char*)IO_ADRS_IE, INT_VEC_IE, INT_LVL_IE },
#endif	/* INCLUDE_IE */
#ifdef	INCLUDE_ILAC
	{ "ilac", ilacattach, (char*)IO_ADRS_ILAC, INT_VEC_ILAC},
#endif	/* INCLUDE_ILAC */
#ifdef	INCLUDE_IF_USR
	{ IF_USR_NAME, IF_USR_ATTACH, IF_USR_ARG1, IF_USR_ARG2, IF_USR_ARG3,
	  IF_USR_ARG4, IF_USR_ARG5, IF_USR_ARG6, IF_USR_ARG7, IF_USR_ARG8 },
#endif	/* INCLUDE_IF_USR */
#ifdef	INCLUDE_LN
	{ "ln", lnattach, (char*)IO_ADRS_LN, INT_VEC_LN, INT_LVL_LN,
	  LN_POOL_ADRS, LN_POOL_SIZE, LN_DATA_WIDTH, LN_PADDING,
	  LN_RING_BUF_SIZE },
#endif	/* INCLUDE_LN */
#ifdef  INCLUDE_LNSGI
        { "lnsgi", lnsgiattach, (char*)IO_ADRS_LNSGI, INT_VEC_LNSGI,
          INT_LVL_LNSGI, LNSGI_POOL_ADRS, LNSGI_POOL_SIZE, LNSGI_DATA_WIDTH,
          LNSGI_PADDING, LNSGI_RING_BUF_SIZE },
#endif  /* INCLUDE_LNSGI */
#ifdef  INCLUDE_NIC
        { "nic", nicattach, (char*)IO_ADRS_NIC, INT_VEC_NIC, INT_LVL_NIC },
#endif	/* INCLUDE_NIC */
#ifdef  INCLUDE_NIC_EVB
        { "nicEvb", nicEvbattach, (char*)IO_ADRS_NIC,INT_VEC_NIC,INT_LVL_NIC },
#endif  /* INCLUDE_NIC_EVB */
#ifdef  INCLUDE_MED
        { "med", medattach, (char*)IO_ADRS_DBETH, INT_VEC_DBETH, INT_LVL_DBETH},
#endif	/* INCLUDE_MED */
#ifdef  INCLUDE_ELC
	{ "elc", elcattach, (char*)IO_ADRS_ELC, INT_VEC_ELC, INT_LVL_ELC,
	  MEM_ADRS_ELC, MEM_SIZE_ELC, CONFIG_ELC},
#endif  /* INCLUDE_ELC */
#ifdef  INCLUDE_ULTRA
	{ "ultra", ultraattach, (char*)IO_ADRS_ULTRA, INT_VEC_ULTRA,
	  INT_LVL_ULTRA, MEM_ADRS_ULTRA, MEM_SIZE_ULTRA, CONFIG_ULTRA},
#endif  /* INCLUDE_ULTRA */
#ifdef  INCLUDE_EEX
	{ "eex", eexattach, (char*)IO_ADRS_EEX, INT_VEC_EEX, INT_LVL_EEX,
	  NTFDS_EEX, CONFIG_EEX},
#endif  /* INCLUDE_EEX */
#ifdef  INCLUDE_ELT
	{ "elt", eltattach, (char*)IO_ADRS_ELT, INT_VEC_ELT, INT_LVL_ELT,
	  NRF_ELT, CONFIG_ELT},
#endif  /* INCLUDE_ELT */
#ifdef  INCLUDE_QU
	{ "qu", quattach, (char*)IO_ADRS_QU_EN, INT_VEC_QU_EN, QU_EN_SCC,
	  QU_EN_TX_BD, QU_EN_RX_BD, QU_EN_TX_OFF, QU_EN_RX_OFF, QU_EN_MEM},
#endif  /* INCLUDE_QU */
#ifdef  INCLUDE_ENE
	{ "ene", eneattach, (char*)IO_ADRS_ENE, INT_VEC_ENE, INT_LVL_ENE},
#endif  /* INCLUDE_ENE */
#ifdef  INCLUDE_ESMC
	{ "esmc", esmcattach, (char*)IO_ADRS_ESMC, INT_VEC_ESMC, INT_LVL_ESMC,
	  CONFIG_ESMC, RX_MODE_ESMC},
#endif  /* INCLUDE_ESMC */
#ifdef  INCLUDE_SN
        { "sn", snattach, (char*)IO_ADRS_SN, INT_VEC_SN },
#endif	/* INCLUDE_SN */
#ifdef  INCLUDE_FN
        { "fn", fnattach },
#endif	/* INCLUDE_FN */

#ifdef  INCLUDE_SM_NET
        { "sm", smNetAttach2, 0, 0, 0, 0, 0, 0, 0, 0 },
#endif  /* INCLUDE_SM_NET */

#ifdef	INCLUDE_PCMCIA
	{ "pcmcia", pcmciaattach, 0, 0, 0, 0, 0, 0 },
#endif	/* INCLUDE_PCMCIA */

#ifdef	INCLUDE_PPP
	{"ppp", 0, 0, 0, 0, 0},
#endif	/* INCLUDE_PPP */
#ifdef	INCLUDE_SLIP
	{"sl", 0, 0, 0, 0, 0},
#endif	/* INCLUDE_SLIP */
	{ "lo", loattach  },
	{ 0, 0, 0, 0, 0, 0 },
    };

/* forward declarations */

STATUS usrNetProtoInit (void);

#ifdef INCLUDE_DNS_RESOLVER
LOCAL STATUS usrResolvInit (void);
#endif /* INCLUDE_DNS_RESOLVER */

#ifdef INCLUDE_NET_SHOW
const UINT rtMem = RT_DISPLAY_MEMORY;
const BOOL bufferedRtShow = RT_BUFFERED_DISPLAY;
#endif

#if defined (INCLUDE_DHCPS) || defined (INCLUDE_DHCPR)
/*
 * The following table lists the IP addresses which will receive DHCP
 * messages forwarded across network boundaries by a DHCP server or
 * relay agent.
 */
DHCP_TARGET_DESC dhcpTargetTbl [] =
    {
    /*
     IP address of DHCP target servers
     ---------------------------------
     */
     /* {"90.11.42.2"}, */
     { NULL } /* List terminator, must be last */
     };

struct ifnet *devlist[1];

int dhcpMaxHops = DHCP_MAX_HOPS;
int dhcpSPort = DHCPS_SPORT;
int dhcpCPort = DHCPS_CPORT;
#endif	/* INCLUDE_DHCPS || INCLUDE_DHCPR */

#ifdef INCLUDE_DHCPR
LOCAL int dhcpTargetTblSize = (NELEMENTS(dhcpTargetTbl));
#endif	/* INCLUDE_DHCPR */

/*
 * Example cache routine - should store records of active leases
 *                         across reboots.
 */

/*
#ifdef INCLUDE_DHCPS

STATUS dhcpsDummyCache (int, char *, int);

STATUS dhcpsDummyCache (int op, char *name, int length)
    {
    printf("Cache called with op %d on %d bytes.\n", op, length);
    if (op == DHCPS_STORAGE_READ)
        return (ERROR);          /@ Simulated end-of-file. @/
    return (OK);
    }
#endif	/@ INCLUDE_DHCPS @/
*/

#ifdef INCLUDE_DHCPS

/* 
 * This table contains a list of interfaces that the server
 * will listen to. The boot device is used when the table's     
 * first entry is the null string.
 */

DHCPS_IF_DESC dhcpsIfTbl [] =
    {
    {""}                             /* Use primary interface */
    /* Sample interface entries. */
    /*  {"fei1"}, */
    /*  {"ln0"} */
    };