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git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-04 23:08:26 +02:00
patch nvram library for new nas version (thx to Vincent Bernat)
git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@2952 3c298f89-4303-0410-b956-a3cf2f4a3e73
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@ -84,3 +84,216 @@ wl_get_int(char *name, char *var, int *val)
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return wl_get_val(name, var, val, sizeof(*val));
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}
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/**************************************************************************
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* The following code is from Broadcom (wl.c) *
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**************************************************************************/
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int
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wl_iovar_getbuf(char *ifname, char *iovar, void *param,
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int paramlen, void *bufptr, int buflen)
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{
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int err;
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uint namelen;
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uint iolen;
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namelen = strlen(iovar) + 1; /* length of iovar name plus null */
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iolen = namelen + paramlen;
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/* check for overflow */
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if (iolen > buflen)
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return (-1);
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memcpy(bufptr, iovar, namelen); /* copy iovar name including null */
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memcpy((int8*)bufptr + namelen, param, paramlen);
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err = wl_ioctl(ifname, WLC_GET_VAR, bufptr, buflen);
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return (err);
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}
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int
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wl_iovar_setbuf(char *ifname, char *iovar, void *param,
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int paramlen, void *bufptr, int buflen)
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{
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uint namelen;
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uint iolen;
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namelen = strlen(iovar) + 1; /* length of iovar name plus null */
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iolen = namelen + paramlen;
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/* check for overflow */
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if (iolen > buflen)
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return (-1);
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memcpy(bufptr, iovar, namelen); /* copy iovar name including null */
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memcpy((int8*)bufptr + namelen, param, paramlen);
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return wl_ioctl(ifname, WLC_SET_VAR, bufptr, iolen);
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}
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int
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wl_iovar_set(char *ifname, char *iovar, void *param, int paramlen)
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{
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char smbuf[WLC_IOCTL_SMLEN];
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return wl_iovar_setbuf(ifname, iovar, param, paramlen, smbuf, sizeof(smbuf));
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}
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int
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wl_iovar_get(char *ifname, char *iovar, void *bufptr, int buflen)
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{
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char smbuf[WLC_IOCTL_SMLEN];
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int ret;
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/* use the return buffer if it is bigger than what we have on the stack */
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if (buflen > sizeof(smbuf)) {
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ret = wl_iovar_getbuf(ifname, iovar, NULL, 0, bufptr, buflen);
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} else {
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ret = wl_iovar_getbuf(ifname, iovar, NULL, 0, smbuf, sizeof(smbuf));
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if (ret == 0)
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memcpy(bufptr, smbuf, buflen);
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}
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return ret;
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}
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/*
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* set named driver variable to int value
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* calling example: wl_iovar_setint(ifname, "arate", rate)
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*/
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int
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wl_iovar_setint(char *ifname, char *iovar, int val)
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{
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return wl_iovar_set(ifname, iovar, &val, sizeof(val));
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}
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/*
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* get named driver variable to int value and return error indication
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* calling example: wl_iovar_getint(ifname, "arate", &rate)
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*/
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int
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wl_iovar_getint(char *ifname, char *iovar, int *val)
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{
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return wl_iovar_get(ifname, iovar, val, sizeof(int));
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}
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/*
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* format a bsscfg indexed iovar buffer
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*/
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static int
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wl_bssiovar_mkbuf(char *iovar, int bssidx, void *param,
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int paramlen, void *bufptr, int buflen, int *plen)
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{
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char *prefix = "bsscfg:";
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int8* p;
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uint prefixlen;
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uint namelen;
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uint iolen;
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prefixlen = strlen(prefix); /* length of bsscfg prefix */
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namelen = strlen(iovar) + 1; /* length of iovar name + null */
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iolen = prefixlen + namelen + sizeof(int) + paramlen;
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/* check for overflow */
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if (buflen < 0 || iolen > (uint)buflen) {
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*plen = 0;
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return -1;
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}
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p = (int8*)bufptr;
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/* copy prefix, no null */
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memcpy(p, prefix, prefixlen);
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p += prefixlen;
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/* copy iovar name including null */
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memcpy(p, iovar, namelen);
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p += namelen;
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/* bss config index as first param */
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memcpy(p, &bssidx, sizeof(int32));
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p += sizeof(int32);
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/* parameter buffer follows */
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if (paramlen)
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memcpy(p, param, paramlen);
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*plen = iolen;
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return 0;
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}
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/*
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* set named & bss indexed driver variable to buffer value
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*/
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int
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wl_bssiovar_setbuf(char *ifname, char *iovar, int bssidx, void *param,
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int paramlen, void *bufptr, int buflen)
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{
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int err;
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uint iolen;
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err = wl_bssiovar_mkbuf(iovar, bssidx, param, paramlen, bufptr, buflen, &iolen);
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if (err)
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return err;
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return wl_ioctl(ifname, WLC_SET_VAR, bufptr, iolen);
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}
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/*
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* get named & bss indexed driver variable buffer value
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*/
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int
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wl_bssiovar_getbuf(char *ifname, char *iovar, int bssidx, void *param,
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int paramlen, void *bufptr, int buflen)
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{
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int err;
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uint iolen;
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err = wl_bssiovar_mkbuf(iovar, bssidx, param, paramlen, bufptr, buflen, &iolen);
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if (err)
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return err;
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return wl_ioctl(ifname, WLC_GET_VAR, bufptr, buflen);
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}
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/*
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* set named & bss indexed driver variable to buffer value
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*/
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int
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wl_bssiovar_set(char *ifname, char *iovar, int bssidx, void *param, int paramlen)
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{
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char smbuf[WLC_IOCTL_SMLEN];
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return wl_bssiovar_setbuf(ifname, iovar, bssidx, param, paramlen, smbuf, sizeof(smbuf));
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}
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/*
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* get named & bss indexed driver variable buffer value
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*/
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int
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wl_bssiovar_get(char *ifname, char *iovar, int bssidx, void *outbuf, int len)
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{
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char smbuf[WLC_IOCTL_SMLEN];
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int err;
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/* use the return buffer if it is bigger than what we have on the stack */
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if (len > (int)sizeof(smbuf)) {
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err = wl_bssiovar_getbuf(ifname, iovar, bssidx, NULL, 0, outbuf, len);
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} else {
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memset(smbuf, 0, sizeof(smbuf));
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err = wl_bssiovar_getbuf(ifname, iovar, bssidx, NULL, 0, smbuf, sizeof(smbuf));
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if (err == 0)
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memcpy(outbuf, smbuf, len);
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}
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return err;
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}
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/*
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* set named & bss indexed driver variable to int value
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*/
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int
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wl_bssiovar_setint(char *ifname, char *iovar, int bssidx, int val)
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{
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return wl_bssiovar_set(ifname, iovar, bssidx, &val, sizeof(int));
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}
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@ -649,6 +649,9 @@ typedef struct wlc_rev_info {
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/* maximum length buffer required */
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#define WLC_IOCTL_MAXLEN 8192
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/* maximum length buffer required */
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#define WLC_IOCTL_SMLEN 256
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/* common ioctl definitions */
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#define WLC_GET_MAGIC 0
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#define WLC_GET_VERSION 1
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