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am e9fa47ca: am 0dd572a5: Merge "Kill IPv6 sockets as well as IPv4 sockets." into honeycomb-LTE 

* commit 'e9fa47ca664577e4ca7ed270f1f72a2d43fb3423':
  Kill IPv6 sockets as well as IPv4 sockets.
This commit is contained in:
Lorenzo Colitti 2011-03-30 17:36:37 -07:00 committed by Android Git Automerger
parent a8bf832462 e9fa47ca66
commit 7b43eb1224
1 changed files with 18 additions and 1 deletions
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19
libnetutils/ifc_utils.c
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@ -366,10 +366,12 @@ int ifc_disable(const char *ifname)
int ifc_reset_connections(const char *ifname)
{
#ifdef HAVE_ANDROID_OS
int result;
int result, success;
in_addr_t myaddr;
struct ifreq ifr;
struct in6_ifreq ifr6;
/* IPv4. Clear connections on the IP address. */
ifc_init();
ifc_get_info(ifname, &myaddr, NULL, NULL);
ifc_init_ifr(ifname, &ifr);
@ -377,6 +379,21 @@ int ifc_reset_connections(const char *ifname)
result = ioctl(ifc_ctl_sock, SIOCKILLADDR, &ifr);
ifc_close();
/*
* IPv6. On Linux, when an interface goes down it loses all its IPv6
* addresses, so we don't know which connections belonged to that interface
* So we clear all unused IPv6 connections on the device by specifying an
* empty IPv6 address.
*/
ifc_init6();
// This implicitly specifies an address of ::, i.e., kill all IPv6 sockets.
memset(&ifr6, 0, sizeof(ifr6));
success = ioctl(ifc_ctl_sock6, SIOCKILLADDR, &ifr6);
if (result == 0) {
result = success;
}
ifc_close6();
return result;
#else
return 0;