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Commit 979203ee authored by Wink Saville's avatar Wink Saville
Browse files

Add reset_mask as parameter to ifc_reset_connections 

The reset_mask allows either IPv4 and or IPv6 connections
of an interface to be reset.

Bug: 4981919
Change-Id: Id2d9ab90e30091d3d0764c66d4b01b73c0edbfcc
parent 04cf629b

include/netutils/ifc.h

+1 −1
Original line number Diff line number Diff line
@@ -34,7 +34,7 @@ extern int ifc_down(const char *name); 
extern int ifc_enable(const char *ifname);

extern int ifc_disable(const char *ifname);



extern int ifc_reset_connections(const char *ifname);

extern int ifc_reset_connections(const char *ifname, const int reset_mask);



extern int ifc_get_addr(const char *name, in_addr_t *addr);

extern int ifc_set_addr(const char *name, in_addr_t addr);

libnetutils/ifc_utils.c

+32 −22
Original line number Diff line number Diff line
@@ -353,7 +353,11 @@ int ifc_disable(const char *ifname) 
    return result;

}



int ifc_reset_connections(const char *ifname)

#define RESET_IPV4_ADDRESSES 0x01

#define RESET_IPV6_ADDRESSES 0x02

#define RESET_ALL_ADDRESSES  (RESET_IPV4_ADDRESSES | RESET_IPV6_ADDRESSES)



int ifc_reset_connections(const char *ifname, const int reset_mask)

{

#ifdef HAVE_ANDROID_OS

    int result, success;
@@ -361,6 +365,7 @@ int ifc_reset_connections(const char *ifname) 
    struct ifreq ifr;

    struct in6_ifreq ifr6;



    if (reset_mask & RESET_IPV4_ADDRESSES) {

        /* IPv4. Clear connections on the IP address. */

        ifc_init();

        ifc_get_info(ifname, &myaddr, NULL, NULL);
@@ -368,7 +373,11 @@ int ifc_reset_connections(const char *ifname) 
        init_sockaddr_in(&ifr.ifr_addr, myaddr);

        result = ioctl(ifc_ctl_sock, SIOCKILLADDR,  &ifr);

        ifc_close();

    } else {

        result = 0;

    }



    if (reset_mask & RESET_IPV6_ADDRESSES) {

        /*

         * 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
@@ -383,6 +392,7 @@ int ifc_reset_connections(const char *ifname) 
            result = success;

        }

        ifc_close6();

    }



    return result;

#else