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-rw-r--r--libnetutils/ifc_utils.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/libnetutils/ifc_utils.c b/libnetutils/ifc_utils.c
index a3579a4..1832b92 100644
--- a/libnetutils/ifc_utils.c
+++ b/libnetutils/ifc_utils.c
@@ -1,5 +1,6 @@
/*
* Copyright 2008, The Android Open Source Project
+ * Copyright (C) 2011, Code Aurora Forum. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -981,3 +982,21 @@ int ifc_remove_route(const char *ifname, const char*dst, int prefix_length, cons
{
return ifc_act_on_route(SIOCDELRT, ifname, dst, prefix_length, gw);
}
+
+int ifc_get_mtu(const char *name, int *mtuSz)
+{
+ struct ifreq ifr;
+ ifc_init_ifr(name, &ifr);
+
+ if (mtuSz != NULL) {
+ if(ioctl(ifc_ctl_sock, SIOCGIFMTU, &ifr) < 0) {
+ *mtuSz = 0;
+ return -2;
+ } else {
+ *mtuSz = ifr.ifr_mtu;
+ return 0;
+ }
+ }
+
+ return -1;
+}