Merge branch 'linux-linaro-lsk' into linux-linaro-lsk-android

[firefly-linux-kernel-4.4.55.git] / net / ipv4 / devinet.c

diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 9e38217c393168768200745511cf99c9e6fd2032..b151e0ac7f275300ac5051b3e41e4356f830ba56 100644 (file)
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -59,6 +59,7 @@
 
 #include <net/arp.h>
 #include <net/ip.h>
+#include <net/tcp.h>
 #include <net/route.h>
 #include <net/ip_fib.h>
 #include <net/rtnetlink.h>
@@ -918,6 +919,7 @@ int devinet_ioctl(struct net *net, unsigned int cmd, void __user *arg)
        case SIOCSIFBRDADDR:    /* Set the broadcast address */
        case SIOCSIFDSTADDR:    /* Set the destination address */
        case SIOCSIFNETMASK:    /* Set the netmask for the interface */
+       case SIOCKILLADDR:      /* Nuke all sockets on this address */
                ret = -EPERM;
                if (!ns_capable(net->user_ns, CAP_NET_ADMIN))
                        goto out;
@@ -969,7 +971,8 @@ int devinet_ioctl(struct net *net, unsigned int cmd, void __user *arg)
        }
 
        ret = -EADDRNOTAVAIL;
-       if (!ifa && cmd != SIOCSIFADDR && cmd != SIOCSIFFLAGS)
+       if (!ifa && cmd != SIOCSIFADDR && cmd != SIOCSIFFLAGS
+           && cmd != SIOCKILLADDR)
                goto done;
 
        switch (cmd) {
@@ -1096,6 +1099,9 @@ int devinet_ioctl(struct net *net, unsigned int cmd, void __user *arg)
                        inet_insert_ifa(ifa);
                }
                break;
+       case SIOCKILLADDR:      /* Nuke all connections on this address */
+               ret = tcp_nuke_addr(net, (struct sockaddr *) sin);
+               break;
        }
 done:
        rtnl_unlock();
@@ -1433,7 +1439,8 @@ static size_t inet_nlmsg_size(void)
               + nla_total_size(4) /* IFA_ADDRESS */
               + nla_total_size(4) /* IFA_LOCAL */
               + nla_total_size(4) /* IFA_BROADCAST */
-              + nla_total_size(IFNAMSIZ); /* IFA_LABEL */
+              + nla_total_size(IFNAMSIZ) /* IFA_LABEL */
+              + nla_total_size(sizeof(struct ifa_cacheinfo)); /* IFA_CACHEINFO */
 }
 
 static inline u32 cstamp_delta(unsigned long cstamp)