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author | Felix Fietkau <nbd@openwrt.org> | 2006-10-13 22:51:49 +0200 |
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committer | Felix Fietkau <nbd@openwrt.org> | 2016-03-20 17:29:15 +0100 |
commit | 60c1f0f64d23003a19a07d6b9638542130f6641d (patch) | |
tree | 8fb2787f4c49baded97cd55e0c371fe1cffce2b6 /package/nvram/src/wl.c | |
parent | d58a09110ccfa95f06c983fe796806f2e035c9d2 (diff) | |
parent | b3ce218b51746d3a576221ea542facf3a1703ab2 (diff) | |
download | upstream-60c1f0f64d23003a19a07d6b9638542130f6641d.tar.gz upstream-60c1f0f64d23003a19a07d6b9638542130f6641d.tar.bz2 upstream-60c1f0f64d23003a19a07d6b9638542130f6641d.zip |
finally move buildroot-ng to trunk
Diffstat (limited to 'package/nvram/src/wl.c')
-rw-r--r-- | package/nvram/src/wl.c | 299 |
1 files changed, 299 insertions, 0 deletions
diff --git a/package/nvram/src/wl.c b/package/nvram/src/wl.c new file mode 100644 index 0000000000..5738e2cd04 --- /dev/null +++ b/package/nvram/src/wl.c @@ -0,0 +1,299 @@ +/* + * Wireless network adapter utilities + * + * Copyright 2004, Broadcom Corporation + * All Rights Reserved. + * + * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY + * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM + * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE. + * + * $Id$ + */ +#include <string.h> + +#include <typedefs.h> +#include <wlutils.h> + +int +wl_probe(char *name) +{ + int ret, val; + + /* Check interface */ + if ((ret = wl_ioctl(name, WLC_GET_MAGIC, &val, sizeof(val)))) + return ret; + if (val != WLC_IOCTL_MAGIC) + return -1; + if ((ret = wl_ioctl(name, WLC_GET_VERSION, &val, sizeof(val)))) + return ret; + if (val > WLC_IOCTL_VERSION) + return -1; + + return ret; +} + +int +wl_set_val(char *name, char *var, void *val, int len) +{ + char buf[128]; + int buf_len; + + /* check for overflow */ + if ((buf_len = strlen(var)) + 1 + len > sizeof(buf)) + return -1; + + strcpy(buf, var); + buf_len += 1; + + /* append int value onto the end of the name string */ + memcpy(&buf[buf_len], val, len); + buf_len += len; + + return wl_ioctl(name, WLC_SET_VAR, buf, buf_len); +} + +int +wl_get_val(char *name, char *var, void *val, int len) +{ + char buf[128]; + int ret; + + /* check for overflow */ + if (strlen(var) + 1 > sizeof(buf) || len > sizeof(buf)) + return -1; + + strcpy(buf, var); + if ((ret = wl_ioctl(name, WLC_GET_VAR, buf, sizeof(buf)))) + return ret; + + memcpy(val, buf, len); + return 0; +} + +int +wl_set_int(char *name, char *var, int val) +{ + return wl_set_val(name, var, &val, sizeof(val)); +} + +int +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)); +} |