pnacfg.c

psos嵌入式操作系统平台下的8139驱动程序,比较难得.

/***********************************************************************/
/*                                                                     */
/*   MODULE:  pnacfg.c   1.10                                          */
/*   PURPOSE: pNA+ configuration file                                  */
/*                                                                     */
/*   This code in this module controls the configuration of the        */
/*   pNA componet.  Many configurations are possible, based on         */
/*   these inputs:                                                     */
/*     * Options selected in "sys_conf.h"                              */
/*     * The capabilities of the board-support package being used,     */
/*       as defined in "bsp.h"                                         */
/*     * Answers given to questions in the startup configuration       */
/*       dialog, if it is enabled                                      */
/*                                                                     */
/***********************************************************************/
//该文件是从PSOSystem拷贝的,不需做改动

#if defined(__cplusplus)
extern "C" {
#endif

#include "sys_conf.h"
#include "stdio.h"

/*---------------------------------------------------------------------*/
/* The following symbols should be defined in sys_conf.h.  However,    */
/* the sys_conf.h files in some of the older sample applications do    */
/* not contain these definitions.  In order to maintain compatibility, */
/* they are set to default values here if they have not been defined   */
/* defined in sys_conf.h.  It is preferable that these symbols be      */
/* defined in sys_conf.h, and you should note that these "default"     */
/* definitions will probably be removed from this file in future       */
/* versions of pSOSystem!                                              */
/*---------------------------------------------------------------------*/
#ifndef SE_MAX_PNA_NC_BUFS
#define SE_MAX_PNA_NC_BUFS 4
#endif

#ifndef NC_MBLKS
#define NC_MBLKS 300
#endif

#ifndef NC_NSOCKETS
#define NC_NSOCKETS  8
#endif

#ifndef NC_NDESCS
#define NC_NDESCS 4
#endif

#include "bsp.h"
#include <bspfuncs.h>
#include <configs.h>
#include <pna.h>
#include <sysvars.h>

extern void pna(void);

extern void sig_handler (); 

/*---------------------------------------------------------------------*/
/* pNA+ component configuration table.  The definitions for this is    */
/* contained in <configs.h>.                                           */
/*---------------------------------------------------------------------*/
pNA_CT PnaCfg;

struct pna_bufcfg pna_bufcfg[SE_MAX_PNA_NC_BUFS +1];

struct ni_init PnaIft[NC_NNI + 1];

#if (SC_PX || SC_PRPC)
    pNA_SCT PnaSubCfg;
#endif

#define PNA_DATA_SIZE 0x5000

UCHAR *SetUpNI(UCHAR *);

extern struct SD_parms SysVars;
extern const char MemErrMsg[];



#define ADD_BUFFS(nn)  \
    if (i>=SE_MAX_PNA_NC_BUFS) { 			\
        SysInitFail("SE_MAX_PNA_NC_BUFS too small");    \
    } else {						\
        pna_bufcfg[i].pna_nbuffers = NC_BUFS_##nn; 	\
        pna_bufcfg[i].pna_bsize    = nn; 		\
        i++; 						\
    }



/***********************************************************************/
/* PnaSetup: Setup pNA+ component                                       */
/*                                                                     */
/*      INPUTS: FreeMemPtr pointer to free memory area that can be     */
/*              used to allocate memory for this componet.             */
/*                                                                     */
/*              NodeCfg pointer to the systems node configuration      */
/*              table. This will be used to set the pnact              */
/*              element in the table.                                  */
/*                                                                     */
/*     RETURNS: The new FreeMemPtr is returned.                        */
/*                                                                     */
/***********************************************************************/
UCHAR *PnaSetup(UCHAR *FreeMemPtr,  NODE_CT *NodeCfg)
{
unsigned long i=0;

/*---------------------------------------------------------------------*/
/* Build the pNA configuration tables                                  */
/*---------------------------------------------------------------------*/
PnaCfg.nc_pna = pna;

#if (SC_PROBE_DEBUG)
    /*-----------------------------------------------------------------*/
    /* If the pROBE remote debugger module is configured (and pNA too) */
    /* assume they will need a pNA data area.  Even if they configure  */
    /* pROBE standalone mode in the startup dialog, they can use the   */
    /* FL RBUG ON command to go into remote debug mode before pSOS is  */
    /* initialized.  Thus we *must* set aside a pNA data area.         */
    /*-----------------------------------------------------------------*/
    #if !(NC_DATA && NC_DATASIZE)
        PnaCfg.nc_data = FreeMemPtr;
        PnaCfg.nc_datasize = PNA_DATA_SIZE;
        while(i<PNA_DATA_SIZE)
            FreeMemPtr[i++] = 0;
        FreeMemPtr = FreeMemPtr + PNA_DATA_SIZE;

        #if SC_RAM_SIZE
            if (FreeMemPtr >
              (UCHAR *)(SC_RAM_SIZE + BSP_RAM_BASE))
                SysInitFail(MemErrMsg);
        #else
            if (FreeMemPtr > (UCHAR *)(RamSize() + BSP_RAM_BASE))
                SysInitFail(MemErrMsg);
        #endif

    #endif
#endif

#if NC_BUFS_0
    ADD_BUFFS(0);
#endif
    
#if NC_BUFS_32
    ADD_BUFFS(32);
#endif

#if NC_BUFS_64
    ADD_BUFFS(64);
#endif

#if NC_BUFS_128
    ADD_BUFFS(128);
#endif

#if NC_BUFS_256
    ADD_BUFFS(256);
#endif

#if NC_BUFS_512
    ADD_BUFFS(512);
#endif

#if NC_BUFS_1024
    ADD_BUFFS(1024);
#endif

#if NC_BUFS_2048
    ADD_BUFFS(2048);
#endif

#if NC_BUFS_4096
    ADD_BUFFS(4096);
#endif

#if NC_BUFS_8192
    ADD_BUFFS(8192);
#endif

#if NC_BUFS_16384
    ADD_BUFFS(16384);
#endif

pna_bufcfg[i].pna_nbuffers = 0;
pna_bufcfg[i].pna_bsize = 0;
    


#if (NC_DATA && NC_DATASIZE)
    PnaCfg.nc_data = NC_DATA;
    PnaCfg.nc_datasize = NC_DATASIZE;
#endif

PnaCfg.nc_nni = NC_NNI;
PnaCfg.nc_ini = PnaIft;
PnaCfg.nc_nroute = NC_NROUTE;

PnaCfg.nc_defgn = htonl((ULONG) (SysVars.DefGtwyIP));

PnaCfg.nc_narp = NC_NARP;

PnaCfg.nc_defuid = NC_DEFUID;
PnaCfg.nc_defgid = NC_DEFGID;
PnaCfg.nc_hostname = NC_HOSTNAME;

PnaCfg.nc_nhentry = NC_NHENTRY;

#ifdef NC_DAEMSSTK
PnaCfg.pnad_sysstk = NC_DAEMSSTK;
#else
PnaCfg.pnad_sysstk = KC_ROOTSSTK;
#endif

#ifdef NC_DAEMUSTK
PnaCfg.pnad_usrstk = NC_DAEMUSTK;
#else
PnaCfg.pnad_usrstk = KC_ROOTUSTK;
#endif

#ifdef NC_DAEMMODE
PnaCfg.pnad_mode   = NC_DAEMMODE;
#else
PnaCfg.pnad_mode   = KC_ROOTMODE;
#endif


#if (SC_PX || SC_PRPC)
    PnaCfg.nc_sct = &PnaSubCfg;
#endif

PnaCfg.nc_mblks = NC_MBLKS;
PnaCfg.nc_bcfg = pna_bufcfg;

PnaCfg.nc_nsockets = NC_NSOCKETS;
PnaCfg.nc_ndescs = NC_NDESCS;

/*---------------------------------------------------------------------*/
/* Added for New pNA+ MULTICASTING.                                    */
/*---------------------------------------------------------------------*/
#define NC_NMCSOCS			16
#define NC_NMCMEMB			16

#ifdef NC_NMCSOCS
    PnaCfg.nc_nmc_socs = NC_NMCSOCS;

//	#error "support multicast"
#else
    PnaCfg.nc_nmc_socs = 0;

//	#error "not support multicast"
#endif

#ifdef NC_NMCMEMB
    PnaCfg.nc_nmc_memb = NC_NMCMEMB;

//	#error "support multicast2"
#else
    PnaCfg.nc_nmc_memb = 0;

//	#error "not support multicast2"
#endif

/*---------------------------------------------------------------------*/
/* Added for New pNA+ Network NODE ID.                                 */
/*---------------------------------------------------------------------*/
#ifdef NC_NNODEID
    PnaCfg.nc_nnode_id = NC_NNODEID;
#else
    PnaCfg.nc_nnode_id = 0;
#endif

/*---------------------------------------------------------------------*/
/* Added Signal handler                                                */
/*---------------------------------------------------------------------*/
#if NC_SIGNAL
PnaCfg.nc_signal = sig_handler;
#endif

NodeCfg->pnact = &PnaCfg;

/*---------------------------------------------------------------------*/
/* Build the pNA initial interface table                               */
/*---------------------------------------------------------------------*/
FreeMemPtr = SetUpNI(FreeMemPtr);

return (FreeMemPtr);
}


/***********************************************************************/
/* InstallNi: Installs a Ni driver                                     */
/*                                                                     */
/*      INPUTS:                                                        */
/*              int (*entry)();        address of NI entry point       */
/*              int ipadd;             IP address                      */
/*              int mtu;               maximum transmission length     */
/*              int hwalen;            length of hardware address      */
/*              int flags;             intErface flags                 */
/*              int subnetaddr;        subnet mask                     */
/*              int dstipaddr;         destination ip address          */
/*                                                                     */
/*     RETURNS: Void                                                   */
/*                                                                     */
/***********************************************************************/
void InstallNi(int (*entry)(),
                 int ipadd,
                 int mtu,
                 int hwalen,
                 int flags,
                 int subnetaddr,
                 int dstipaddr)
{
int indx;
struct ni_init *ni_ptr;

/*---------------------------------------------------------------------*/
/* Advance ni_ptr to the first empty spot in the NI table, and ensure  */
/* that the table is not already full.                                 */
/*---------------------------------------------------------------------*/
ni_ptr = PnaIft;
indx = 0;
while (ni_ptr->entry != (int (*)())0)
    {
    ni_ptr++;
    indx++;
    }
if (indx >= NC_NNI) 
    SysInitFail("Number of network interfaces > NC_NNI");


/*---------------------------------------------------------------------*/
/* Found an empty slot.  Fill in the values for interface being        */
/* installed.                                                          */
/*---------------------------------------------------------------------*/
ni_ptr->entry = (int (*)())entry;
ni_ptr->ipadd = htonl((ULONG)ipadd);
ni_ptr->mtu = mtu;
ni_ptr->hwalen = hwalen;
ni_ptr->flags = flags;
ni_ptr->subnetaddr = htonl((ULONG)subnetaddr);
/*ni_ptr->dstipaddr = dstipaddr; JRC which is it?*/
ni_ptr->dstipaddr = htonl((ULONG)dstipaddr);
ni_ptr->reserved[0] = 0;

//printf("pnacfg.c\n");//////////add 6.6
}

#if defined(__cplusplus)
}
#endif