diff options
| -rw-r--r-- | include/netutils/ifc.h | 5 | ||||
| -rw-r--r-- | libnetutils/ifc_utils.c | 19 |
2 files changed, 23 insertions, 1 deletions
diff --git a/include/netutils/ifc.h b/include/netutils/ifc.h index 67a4a456..834f73fa 100644 --- a/include/netutils/ifc.h +++ b/include/netutils/ifc.h @@ -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. @@ -61,10 +62,12 @@ extern int ifc_remove_route(const char *ifname, const char *dst, int prefix_length, const char *gw); extern int ifc_get_info(const char *name, in_addr_t *addr, int *prefixLength, unsigned *flags); - extern int ifc_configure(const char *ifname, in_addr_t address, uint32_t prefixLength, in_addr_t gateway, in_addr_t dns1, in_addr_t dns2); +extern int ifc_get_mtu(const char *name, int *mtuSz); +extern in_addr_t prefixLengthToIpv4Netmask(int prefix_length); +extern int ipv4NetmaskToPrefixLength(in_addr_t mask); __END_DECLS diff --git a/libnetutils/ifc_utils.c b/libnetutils/ifc_utils.c index a3579a4c..1832b926 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; +} |