unmount filesystems at shutdown

[openwrt.git] / package / nvram / src / wl.c

diff --git a/package/nvram/src/wl.c b/package/nvram/src/wl.c
index 5738e2c..c336103 100644 (file)
--- a/package/nvram/src/wl.c
+++ b/package/nvram/src/wl.c
@@ -11,11 +11,68 @@
  *
  * $Id$
  */
+#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)
 {