diff options
Diffstat (limited to 'package/nvram/src/wl.c')
-rw-r--r-- | package/nvram/src/wl.c | 356 |
1 files changed, 0 insertions, 356 deletions
diff --git a/package/nvram/src/wl.c b/package/nvram/src/wl.c deleted file mode 100644 index c33610310..000000000 --- a/package/nvram/src/wl.c +++ /dev/null @@ -1,356 +0,0 @@ -/* - * 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 <stdio.h> -#include <unistd.h> -#include <string.h> -#include <errno.h> -#include <sys/ioctl.h> -#include <net/if.h> - -#include <typedefs.h> -#include <wlutils.h> - -int -wl_ioctl(char *name, int cmd, void *buf, int len) -{ - struct ifreq ifr; - wl_ioctl_t ioc; - int ret = 0; - int s; - - /* open socket to kernel */ - if ((s = socket(AF_INET, SOCK_DGRAM, 0)) < 0) { - perror("socket"); - return errno; - } - - /* do it */ - ioc.cmd = cmd; - ioc.buf = buf; - ioc.len = len; - strncpy(ifr.ifr_name, name, IFNAMSIZ); - ifr.ifr_data = (caddr_t) &ioc; - if ((ret = ioctl(s, SIOCDEVPRIVATE, &ifr)) < 0) - if (cmd != WLC_GET_MAGIC) - perror(ifr.ifr_name); - - /* cleanup */ - close(s); - return ret; -} - -int -wl_hwaddr(char *name, unsigned char *hwaddr) -{ - struct ifreq ifr; - int ret = 0; - int s; - - /* open socket to kernel */ - if ((s = socket(AF_INET, SOCK_DGRAM, 0)) < 0) { - perror("socket"); - return errno; - } - - /* do it */ - strncpy(ifr.ifr_name, name, IFNAMSIZ); - if ((ret = ioctl(s, SIOCGIFHWADDR, &ifr)) == 0) - memcpy(hwaddr, ifr.ifr_hwaddr.sa_data, ETHER_ADDR_LEN); - - /* cleanup */ - close(s); - return ret; -} - -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)); -} |