78 lines
1.5 KiB
C
78 lines
1.5 KiB
C
/*
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* Wireless network adapter utilities (linux-specific)
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*
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* Copyright 2004, Broadcom Corporation
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* All Rights Reserved.
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*
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* THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
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* KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
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* SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
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*
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* $Id$
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*/
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#include <stdio.h>
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#include <unistd.h>
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#include <string.h>
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#include <errno.h>
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#include <sys/ioctl.h>
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#include <net/if.h>
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#include <typedefs.h>
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#include <wlioctl.h>
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#include <wlutils.h>
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int
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wl_ioctl(char *name, int cmd, void *buf, int len)
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{
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struct ifreq ifr;
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wl_ioctl_t ioc;
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int ret = 0;
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int s;
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/* open socket to kernel */
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if ((s = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
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perror("socket");
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return errno;
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}
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/* do it */
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ioc.cmd = cmd;
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ioc.buf = buf;
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ioc.len = len;
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strncpy(ifr.ifr_name, name, IFNAMSIZ);
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ifr.ifr_data = (caddr_t) &ioc;
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if ((ret = ioctl(s, SIOCDEVPRIVATE, &ifr)) < 0)
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if (cmd != WLC_GET_MAGIC)
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perror(ifr.ifr_name);
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/* cleanup */
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close(s);
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return ret;
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}
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int
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wl_hwaddr(char *name, unsigned char *hwaddr)
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{
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struct ifreq ifr;
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int ret = 0;
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int s;
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/* open socket to kernel */
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if ((s = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
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perror("socket");
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return errno;
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}
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/* do it */
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strncpy(ifr.ifr_name, name, IFNAMSIZ);
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if ((ret = ioctl(s, SIOCGIFHWADDR, &ifr)) == 0)
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memcpy(hwaddr, ifr.ifr_hwaddr.sa_data, ETHER_ADDR_LEN);
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/* cleanup */
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close(s);
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return ret;
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}
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