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patch nvram library for new nas version (thx to Vincent Bernat)

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@2952 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd 2006-01-13 16:19:23 +00:00
parent 019be7db1c
commit eee99ea9c7
2 changed files with 216 additions and 0 deletions
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213
openwrt/package/nvram/src/wl.c
View File

@ -84,3 +84,216 @@ wl_get_int(char *name, char *var, int *val)
return wl_get_val(name, var, val, sizeof(*val));
}
/**************************************************************************
* The following code is from Broadcom (wl.c) *
**************************************************************************/
int
wl_iovar_getbuf(char *ifname, char *iovar, void *param,
int paramlen, void *bufptr, int buflen)
{
int err;
uint namelen;
uint iolen;
namelen = strlen(iovar) + 1; /* length of iovar name plus null */
iolen = namelen + paramlen;
/* check for overflow */
if (iolen > buflen)
return (-1);
memcpy(bufptr, iovar, namelen); /* copy iovar name including null */
memcpy((int8*)bufptr + namelen, param, paramlen);
err = wl_ioctl(ifname, WLC_GET_VAR, bufptr, buflen);
return (err);
}
int
wl_iovar_setbuf(char *ifname, char *iovar, void *param,
int paramlen, void *bufptr, int buflen)
{
uint namelen;
uint iolen;
namelen = strlen(iovar) + 1; /* length of iovar name plus null */
iolen = namelen + paramlen;
/* check for overflow */
if (iolen > buflen)
return (-1);
memcpy(bufptr, iovar, namelen); /* copy iovar name including null */
memcpy((int8*)bufptr + namelen, param, paramlen);
return wl_ioctl(ifname, WLC_SET_VAR, bufptr, iolen);
}
int
wl_iovar_set(char *ifname, char *iovar, void *param, int paramlen)
{
char smbuf[WLC_IOCTL_SMLEN];
return wl_iovar_setbuf(ifname, iovar, param, paramlen, smbuf, sizeof(smbuf));
}
int
wl_iovar_get(char *ifname, char *iovar, void *bufptr, int buflen)
{
char smbuf[WLC_IOCTL_SMLEN];
int ret;
/* use the return buffer if it is bigger than what we have on the stack */
if (buflen > sizeof(smbuf)) {
ret = wl_iovar_getbuf(ifname, iovar, NULL, 0, bufptr, buflen);
} else {
ret = wl_iovar_getbuf(ifname, iovar, NULL, 0, smbuf, sizeof(smbuf));
if (ret == 0)
memcpy(bufptr, smbuf, buflen);
}
return ret;
}
/*
* set named driver variable to int value
* calling example: wl_iovar_setint(ifname, "arate", rate)
*/
int
wl_iovar_setint(char *ifname, char *iovar, int val)
{
return wl_iovar_set(ifname, iovar, &val, sizeof(val));
}
/*
* get named driver variable to int value and return error indication
* calling example: wl_iovar_getint(ifname, "arate", &rate)
*/
int
wl_iovar_getint(char *ifname, char *iovar, int *val)
{
return wl_iovar_get(ifname, iovar, val, sizeof(int));
}
/*
* format a bsscfg indexed iovar buffer
*/
static int
wl_bssiovar_mkbuf(char *iovar, int bssidx, void *param,
int paramlen, void *bufptr, int buflen, int *plen)
{
char *prefix = "bsscfg:";
int8* p;
uint prefixlen;
uint namelen;
uint iolen;
prefixlen = strlen(prefix); /* length of bsscfg prefix */
namelen = strlen(iovar) + 1; /* length of iovar name + null */
iolen = prefixlen + namelen + sizeof(int) + paramlen;
/* check for overflow */
if (buflen < 0 || iolen > (uint)buflen) {
*plen = 0;
return -1;
}
p = (int8*)bufptr;
/* copy prefix, no null */
memcpy(p, prefix, prefixlen);
p += prefixlen;
/* copy iovar name including null */
memcpy(p, iovar, namelen);
p += namelen;
/* bss config index as first param */
memcpy(p, &bssidx, sizeof(int32));
p += sizeof(int32);
/* parameter buffer follows */
if (paramlen)
memcpy(p, param, paramlen);
*plen = iolen;
return 0;
}
/*
* set named & bss indexed driver variable to buffer value
*/
int
wl_bssiovar_setbuf(char *ifname, char *iovar, int bssidx, void *param,
int paramlen, void *bufptr, int buflen)
{
int err;
uint iolen;
err = wl_bssiovar_mkbuf(iovar, bssidx, param, paramlen, bufptr, buflen, &iolen);
if (err)
return err;
return wl_ioctl(ifname, WLC_SET_VAR, bufptr, iolen);
}
/*
* get named & bss indexed driver variable buffer value
*/
int
wl_bssiovar_getbuf(char *ifname, char *iovar, int bssidx, void *param,
int paramlen, void *bufptr, int buflen)
{
int err;
uint iolen;
err = wl_bssiovar_mkbuf(iovar, bssidx, param, paramlen, bufptr, buflen, &iolen);
if (err)
return err;
return wl_ioctl(ifname, WLC_GET_VAR, bufptr, buflen);
}
/*
* set named & bss indexed driver variable to buffer value
*/
int
wl_bssiovar_set(char *ifname, char *iovar, int bssidx, void *param, int paramlen)
{
char smbuf[WLC_IOCTL_SMLEN];
return wl_bssiovar_setbuf(ifname, iovar, bssidx, param, paramlen, smbuf, sizeof(smbuf));
}
/*
* get named & bss indexed driver variable buffer value
*/
int
wl_bssiovar_get(char *ifname, char *iovar, int bssidx, void *outbuf, int len)
{
char smbuf[WLC_IOCTL_SMLEN];
int err;
/* use the return buffer if it is bigger than what we have on the stack */
if (len > (int)sizeof(smbuf)) {
err = wl_bssiovar_getbuf(ifname, iovar, bssidx, NULL, 0, outbuf, len);
} else {
memset(smbuf, 0, sizeof(smbuf));
err = wl_bssiovar_getbuf(ifname, iovar, bssidx, NULL, 0, smbuf, sizeof(smbuf));
if (err == 0)
memcpy(outbuf, smbuf, len);
}
return err;
}
/*
* set named & bss indexed driver variable to int value
*/
int
wl_bssiovar_setint(char *ifname, char *iovar, int bssidx, int val)
{
return wl_bssiovar_set(ifname, iovar, bssidx, &val, sizeof(int));
}

3
openwrt/target/linux/package/base-files/include/wlioctl.h
View File

@ -649,6 +649,9 @@ typedef struct wlc_rev_info {
/* maximum length buffer required */
#define WLC_IOCTL_MAXLEN 8192
/* maximum length buffer required */
#define WLC_IOCTL_SMLEN 256
/* common ioctl definitions */
#define WLC_GET_MAGIC 0
#define WLC_GET_VERSION 1