rt_profile.c

Linux下的RT系列无线网卡驱动,可以直接在x86平台上编译

/*
 *************************************************************************
 * Ralink Tech Inc.
 * 4F, No. 2 Technology 5th Rd.
 * Science-based Industrial Park
 * Hsin-chu, Taiwan, R.O.C.
 *
 * (c) Copyright 2002-2007, Ralink Technology, Inc.
 *
 * This program is free software; you can redistribute it and/or modify  * 
 * it under the terms of the GNU General Public License as published by  * 
 * the Free Software Foundation; either version 2 of the License, or     * 
 * (at your option) any later version.                                   * 
 *                                                                       * 
 * This program is distributed in the hope that it will be useful,       * 
 * but WITHOUT ANY WARRANTY; without even the implied warranty of        * 
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         * 
 * GNU General Public License for more details.                          * 
 *                                                                       * 
 * You should have received a copy of the GNU General Public License     * 
 * along with this program; if not, write to the                         * 
 * Free Software Foundation, Inc.,                                       * 
 * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             * 
 *                                                                       * 
 *************************************************************************
 */

#include "rt_config.h"

static void HTParametersHook(
	IN	PRTMP_ADAPTER pAd, 
	IN	CHAR		  *pValueStr,
	IN	CHAR		  *pInput);


// add by shiang
#define ETH_MAC_ADDR_STR_LEN 17  // in format of xx:xx:xx:xx:xx:xx

// We assume the s1 is a sting, s2 is a memory space with 6 bytes. and content of s1 will be changed.
BOOLEAN rtstrmactohex(char *s1, char *s2)
{
	int i = 0;
	char *ptokS = s1, *ptokE = s1;

	if (strlen(s1) != ETH_MAC_ADDR_STR_LEN)
		return FALSE;

	while((*ptokS) != '\0')
	{
		if((ptokE = strchr(ptokS, ':')) != NULL)
			*ptokE++ = '\0';
		if ((strlen(ptokS) != 2) || (!isxdigit(*ptokS)) || (!isxdigit(*(ptokS+1))))
			break; // fail
		AtoH(ptokS, &s2[i++], 1);
		ptokS = ptokE;
		if (i == 6)
			break; // parsing finished
	}

	return ( i == 6 ? TRUE : FALSE);

}


// we assume the s1 and s2 both are strings.
BOOLEAN rtstrcasecmp(char *s1, char *s2)
{
	char *p1 = s1, *p2 = s2;
	
	if (strlen(s1) != strlen(s2))
		return FALSE;
	
	while(*p1 != '\0')
	{
		if((*p1 != *p2) && ((*p1 ^ *p2) != 0x20))
			return FALSE;
		p1++;
		p2++;
	}
	
	return TRUE;
}

//add by kathy

 /**
  * strstr - Find the first substring in a %NUL terminated string
  * @s1: The string to be searched
  * @s2: The string to search for
  */
char * rtstrstr(const char * s1,const char * s2)
{
	INT l1, l2;

	l2 = strlen(s2);
	if (!l2)
		return (char *) s1;
	
	l1 = strlen(s1);
	
	while (l1 >= l2)
	{
		l1--;
		if (!memcmp(s1,s2,l2))
			return (char *) s1;
		s1++;
	}
	
	return NULL;
}
 
/**
 * rstrtok - Split a string into tokens
 * @s: The string to be searched
 * @ct: The characters to search for
 * * WARNING: strtok is deprecated, use strsep instead. However strsep is not compatible with old architecture.
 */
char * __rstrtok;
char * rstrtok(char * s,const char * ct)
{
	char *sbegin, *send;

	sbegin  = s ? s : __rstrtok;
	if (!sbegin)
	{
		return NULL;
	}

	sbegin += strspn(sbegin,ct);
	if (*sbegin == '\0')
	{
		__rstrtok = NULL;
		return( NULL );
	}

	send = strpbrk( sbegin, ct);
	if (send && *send != '\0')
		*send++ = '\0';

	__rstrtok = send;

	return (sbegin);
}

/**
 * delimitcnt - return the count of a given delimiter in a given string.
 * @s: The string to be searched.
 * @ct: The delimiter to search for.
 * Notice : We suppose the delimiter is a single-char string(for example : ";").
 */
INT delimitcnt(char * s,const char * ct)
{
	INT count = 0;
	/* point to the beginning of the line */
	const char *token = s; 

	for ( ;; )
	{
		token = strpbrk(token, ct); /* search for delimiters */

        if ( token == NULL )
		{
			/* advanced to the terminating null character */
			break; 
		}
		/* skip the delimiter */
	    ++token; 

		/*
		 * Print the found text: use len with %.*s to specify field width.
		 */
        DBGPRINT(RT_DEBUG_INFO, (" -> \"%.*s\"\n", (INT)(token - s), token));
		/* accumulate delimiter count */
	    ++count; 
	}
    return count;
}

/*
    ========================================================================

    Routine Description:
        Find key section for Get key parameter.

    Arguments:
        buffer                      Pointer to the buffer to start find the key section
        section                     the key of the secion to be find

    Return Value:
        NULL                        Fail
        Others                      Success
    ========================================================================
*/
PUCHAR  RTMPFindSection(
    IN  PCHAR   buffer)
{
    CHAR temp_buf[32];
    PUCHAR  ptr;

    strcpy(temp_buf, "Default");

    if((ptr = rtstrstr(buffer, temp_buf)) != NULL)
            return (ptr+strlen("\n"));
        else
            return NULL;
}

/*
    ========================================================================

    Routine Description:
        Get key parameter.

    Arguments:
        key                         Pointer to key string
        dest                        Pointer to destination      
        destsize                    The datasize of the destination
        buffer                      Pointer to the buffer to start find the key

    Return Value:
        TRUE                        Success
        FALSE                       Fail

    Note:
        This routine get the value with the matched key (case case-sensitive)
    ========================================================================
*/
INT RTMPGetKeyParameter(
    IN  PCHAR   key,
    OUT PCHAR   dest,   
    IN  INT     destsize,
    IN  PCHAR   buffer)
{
    UCHAR *temp_buf1 = NULL;
    UCHAR *temp_buf2 = NULL;
    CHAR *start_ptr;
    CHAR *end_ptr;
    CHAR *ptr;
    CHAR *offset = 0;
    INT  len;

	//temp_buf1 = kmalloc(MAX_PARAM_BUFFER_SIZE, MEM_ALLOC_FLAG);
	os_alloc_mem(NULL, &temp_buf1, MAX_PARAM_BUFFER_SIZE);

	if(temp_buf1 == NULL)
        return (FALSE);
	
	//temp_buf2 = kmalloc(MAX_PARAM_BUFFER_SIZE, MEM_ALLOC_FLAG);
	os_alloc_mem(NULL, &temp_buf2, MAX_PARAM_BUFFER_SIZE);
	if(temp_buf2 == NULL)
	{
		os_free_mem(NULL, temp_buf1);
        return (FALSE);
	}
	
    //find section
    if((offset = RTMPFindSection(buffer)) == NULL)
    {
    	os_free_mem(NULL, temp_buf1);
    	os_free_mem(NULL, temp_buf2);
        return (FALSE);
    }

    strcpy(temp_buf1, "\n");
    strcat(temp_buf1, key);
    strcat(temp_buf1, "=");

    //search key
    if((start_ptr=rtstrstr(offset, temp_buf1))==NULL)
    {
		os_free_mem(NULL, temp_buf1);
    	os_free_mem(NULL, temp_buf2);
        return (FALSE);
    }

    start_ptr+=strlen("\n");
    if((end_ptr=rtstrstr(start_ptr, "\n"))==NULL)
       end_ptr=start_ptr+strlen(start_ptr);

    if (end_ptr<start_ptr)
    {
		os_free_mem(NULL, temp_buf1);
    	os_free_mem(NULL, temp_buf2);
        return (FALSE);
    }

    NdisMoveMemory(temp_buf2, start_ptr, end_ptr-start_ptr);
    temp_buf2[end_ptr-start_ptr]='\0';
    len = strlen(temp_buf2);
    strcpy(temp_buf1, temp_buf2);
    if((start_ptr=rtstrstr(temp_buf1, "=")) == NULL)
    {
		os_free_mem(NULL, temp_buf1);
    	os_free_mem(NULL, temp_buf2);
        return (FALSE);
    }

    strcpy(temp_buf2, start_ptr+1);
    ptr = temp_buf2;
    //trim space or tab
    while(*ptr != 0x00)
    {
        if( (*ptr == ' ') || (*ptr == '\t') )
            ptr++;
        else
           break;
    }

    len = strlen(ptr);    
    memset(dest, 0x00, destsize);
    strncpy(dest, ptr, len >= destsize ?  destsize: len);

	os_free_mem(NULL, temp_buf1);
    os_free_mem(NULL, temp_buf2);
    return TRUE;
}

static int rtmp_parse_key_buffer_from_file(IN  PRTMP_ADAPTER pAd,IN  char *buffer,IN  ULONG KeyType,IN  INT BSSIdx,IN  INT KeyIdx)
{
	PUCHAR		keybuff;
	INT			i = BSSIdx, idx = KeyIdx;
	ULONG		KeyLen;
	UCHAR		CipherAlg = CIPHER_WEP64;
	
	keybuff = buffer;
	KeyLen = strlen(keybuff);

	if (KeyType == 1)
	{//Ascii								
		if( (KeyLen == 5) || (KeyLen == 13))
		{
			pAd->SharedKey[i][idx].KeyLen = KeyLen;
			NdisMoveMemory(pAd->SharedKey[i][idx].Key, keybuff, KeyLen);
			if (KeyLen == 5)
				CipherAlg = CIPHER_WEP64;
			else
				CipherAlg = CIPHER_WEP128;
			pAd->SharedKey[i][idx].CipherAlg = CipherAlg;
	
			DBGPRINT(RT_DEBUG_TRACE, ("I/F(ra%d) Key%dStr=%s and type=%s\n", i, idx+1, keybuff, (KeyType == 0) ? "Hex":"Ascii"));		
			return 1;
		}
		else
		{//Invalid key length
			DBGPRINT(RT_DEBUG_ERROR, ("Key%dStr is Invalid key length! KeyLen = %ld!\n", idx+1, KeyLen));
			return 0;
		}
	}
	else
	{//Hex type
		if( (KeyLen == 10) || (KeyLen == 26))
		{
			pAd->SharedKey[i][idx].KeyLen = KeyLen / 2;
			AtoH(keybuff, pAd->SharedKey[i][idx].Key, KeyLen / 2);
			if (KeyLen == 10)
				CipherAlg = CIPHER_WEP64;
			else
				CipherAlg = CIPHER_WEP128;
			pAd->SharedKey[i][idx].CipherAlg = CipherAlg;

			DBGPRINT(RT_DEBUG_TRACE, ("I/F(ra%d) Key%dStr=%s and type=%s\n", i, idx+1, keybuff, (KeyType == 0) ? "Hex":"Ascii"));
			return 1;
		}
		else
		{//Invalid key length
			DBGPRINT(RT_DEBUG_ERROR, ("I/F(ra%d) Key%dStr is Invalid key length! KeyLen = %ld!\n", i, idx+1, KeyLen));
			return 0;
		}
	}
}
static void rtmp_read_key_parms_from_file(IN  PRTMP_ADAPTER pAd, char *tmpbuf, char *buffer)
{
	char		tok_str[16];
	PUCHAR		macptr;						
	INT			i = 0, idx;
	ULONG		KeyType[MAX_MBSSID_NUM];
	ULONG		KeyIdx;

	NdisZeroMemory(KeyType, MAX_MBSSID_NUM);

	//DefaultKeyID
	if(RTMPGetKeyParameter("DefaultKeyID", tmpbuf, 25, buffer))
	{

#ifdef CONFIG_STA_SUPPORT
		KeyIdx = simple_strtol(tmpbuf, 0, 10);
		if((KeyIdx >= 1 ) && (KeyIdx <= 4))
			pAd->StaCfg.DefaultKeyId = (UCHAR) (KeyIdx - 1);
		else
			pAd->StaCfg.DefaultKeyId = 0;

		DBGPRINT(RT_DEBUG_TRACE, ("DefaultKeyID(0~3)=%d\n", pAd->StaCfg.DefaultKeyId));
#endif // CONFIG_STA_SUPPORT //		
	}	   

	for (idx = 0; idx < 4; idx++)
	{
		sprintf(tok_str, "Key%dType", idx + 1);
		//Key1Type
		if(RTMPGetKeyParameter(tok_str, tmpbuf, 128, buffer))
		{
		    for (i = 0, macptr = rstrtok(tmpbuf,";"); macptr; macptr = rstrtok(NULL,";"), i++)
		    {
			    KeyType[i] = simple_strtol(macptr, 0, 10);
		    }
			i = 0;
			sprintf(tok_str, "Key%dStr", idx + 1);
			
			//Key1Str
			if(RTMPGetKeyParameter(tok_str, tmpbuf, 128, buffer))
			{
				{
					rtmp_parse_key_buffer_from_file(pAd, tmpbuf, KeyType[BSS0], BSS0, idx);
				}
			}
		}
	}
}


#ifdef CONFIG_STA_SUPPORT
static void rtmp_read_wmm_parms_from_file(IN  PRTMP_ADAPTER pAd, char *tmpbuf, char *buffer)
{
	PUCHAR					macptr;						
	INT						i=0;
	BOOLEAN					bWmmEnable = FALSE;
	
	//WmmCapable
	if(RTMPGetKeyParameter("WmmCapable", tmpbuf, 32, buffer))
	{
		if(simple_strtol(tmpbuf, 0, 10) != 0) //Enable
		{
			pAd->CommonCfg.bWmmCapable = TRUE;
			bWmmEnable = TRUE;
		}
		else //Disable
		{
			pAd->CommonCfg.bWmmCapable = FALSE;
		}
		
		DBGPRINT(RT_DEBUG_TRACE, ("WmmCapable=%d\n", pAd->CommonCfg.bWmmCapable));
	}
	//AckPolicy for AC_BK, AC_BE, AC_VI, AC_VO
	if(RTMPGetKeyParameter("AckPolicy", tmpbuf, 32, buffer))
	{			
		for (i = 0, macptr = rstrtok(tmpbuf,";"); macptr; macptr = rstrtok(NULL,";"), i++)
		{
			pAd->CommonCfg.AckPolicy[i] = (UCHAR)simple_strtol(macptr, 0, 10);

			DBGPRINT(RT_DEBUG_TRACE, ("AckPolicy[%d]=%d\n", i, pAd->CommonCfg.AckPolicy[i]));
		}
	}
}
#endif // CONFIG_STA_SUPPORT //


NDIS_STATUS	RTMPReadParametersHook(
	IN	PRTMP_ADAPTER pAd)
{
	PUCHAR					src;
	struct file				*srcf;
	INT 					retval, orgfsuid, orgfsgid;
   	mm_segment_t			orgfs;
	CHAR					*buffer;
	CHAR					*tmpbuf;
	ULONG					RtsThresh;
	ULONG					FragThresh;

#ifdef CONFIG_STA_SUPPORT
	UCHAR	                keyMaterial[40];
#endif // CONFIG_STA_SUPPORT //


	PUCHAR					macptr;							
	INT						i = 0;

	buffer = kmalloc(MAX_INI_BUFFER_SIZE, MEM_ALLOC_FLAG);
	if(buffer == NULL)