*
* Connection Manager
*
- * Copyright (C) 2007-2008 Intel Corporation. All rights reserved.
+ * Copyright (C) 2007-2009 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
#include "inet.h"
+int inet_name2index(const char *name)
+{
+ struct ifreq ifr;
+ int sk, err;
+
+ if (name == NULL)
+ return -1;
+
+ sk = socket(PF_INET, SOCK_DGRAM, 0);
+ if (sk < 0)
+ return -1;
+
+ memset(&ifr, 0, sizeof(ifr));
+ strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
+
+ err = ioctl(sk, SIOCGIFINDEX, &ifr);
+
+ close(sk);
+
+ if (err < 0)
+ return -1;
+
+ return ifr.ifr_ifindex;
+}
+
char *inet_index2name(int index)
{
struct ifreq ifr;
return str;
}
+
+int inet_ifup(int index)
+{
+ struct ifreq ifr;
+ int sk, err;
+
+ sk = socket(PF_INET, SOCK_DGRAM, 0);
+ if (sk < 0)
+ return -errno;
+
+ memset(&ifr, 0, sizeof(ifr));
+ ifr.ifr_ifindex = index;
+
+ if (ioctl(sk, SIOCGIFNAME, &ifr) < 0) {
+ err = -errno;
+ goto done;
+ }
+
+ if (ioctl(sk, SIOCGIFFLAGS, &ifr) < 0) {
+ err = -errno;
+ goto done;
+ }
+
+ if (ifr.ifr_flags & IFF_UP) {
+ err = -EALREADY;
+ goto done;
+ }
+
+ ifr.ifr_flags |= IFF_UP;
+
+ if (ioctl(sk, SIOCSIFFLAGS, &ifr) < 0) {
+ err = -errno;
+ goto done;
+ }
+
+ err = 0;
+
+done:
+ close(sk);
+
+ return err;
+}
+
+int inet_ifdown(int index)
+{
+ struct ifreq ifr;
+ int sk, err;
+
+ sk = socket(PF_INET, SOCK_DGRAM, 0);
+ if (sk < 0)
+ return -errno;
+
+ memset(&ifr, 0, sizeof(ifr));
+ ifr.ifr_ifindex = index;
+
+ if (ioctl(sk, SIOCGIFNAME, &ifr) < 0) {
+ err = -errno;
+ goto done;
+ }
+
+ if (ioctl(sk, SIOCGIFFLAGS, &ifr) < 0) {
+ err = -errno;
+ goto done;
+ }
+
+ if (!(ifr.ifr_flags & IFF_UP)) {
+ err = -EALREADY;
+ goto done;
+ }
+
+ ifr.ifr_flags &= ~IFF_UP;
+
+ if (ioctl(sk, SIOCSIFFLAGS, &ifr) < 0)
+ err = -errno;
+ else
+ err = 0;
+
+done:
+ close(sk);
+
+ return err;
+}