route: add support for directed broadcast forwarding

[linux-2.6-microblaze.git] / net / ipv4 / devinet.c

diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index d7585ab..ea4bd8a 100644 (file)
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -1827,6 +1827,8 @@ static int inet_netconf_msgsize_devconf(int type)
                size += nla_total_size(4);
        if (all || type == NETCONFA_MC_FORWARDING)
                size += nla_total_size(4);
+       if (all || type == NETCONFA_BC_FORWARDING)
+               size += nla_total_size(4);
        if (all || type == NETCONFA_PROXY_NEIGH)
                size += nla_total_size(4);
        if (all || type == NETCONFA_IGNORE_ROUTES_WITH_LINKDOWN)
@@ -1873,6 +1875,10 @@ static int inet_netconf_fill_devconf(struct sk_buff *skb, int ifindex,
            nla_put_s32(skb, NETCONFA_MC_FORWARDING,
                        IPV4_DEVCONF(*devconf, MC_FORWARDING)) < 0)
                goto nla_put_failure;
+       if ((all || type == NETCONFA_BC_FORWARDING) &&
+           nla_put_s32(skb, NETCONFA_BC_FORWARDING,
+                       IPV4_DEVCONF(*devconf, BC_FORWARDING)) < 0)
+               goto nla_put_failure;
        if ((all || type == NETCONFA_PROXY_NEIGH) &&
            nla_put_s32(skb, NETCONFA_PROXY_NEIGH,
                        IPV4_DEVCONF(*devconf, PROXY_ARP)) < 0)
@@ -2143,6 +2149,10 @@ static int devinet_conf_proc(struct ctl_table *ctl, int write,
                        if ((new_value == 0) && (old_value != 0))
                                rt_cache_flush(net);
 
+               if (i == IPV4_DEVCONF_BC_FORWARDING - 1 &&
+                   new_value != old_value)
+                       rt_cache_flush(net);
+
                if (i == IPV4_DEVCONF_RP_FILTER - 1 &&
                    new_value != old_value) {
                        ifindex = devinet_conf_ifindex(net, cnf);
@@ -2259,6 +2269,7 @@ static struct devinet_sysctl_table {
                DEVINET_SYSCTL_COMPLEX_ENTRY(FORWARDING, "forwarding",
                                             devinet_sysctl_forward),
                DEVINET_SYSCTL_RO_ENTRY(MC_FORWARDING, "mc_forwarding"),
+               DEVINET_SYSCTL_RW_ENTRY(BC_FORWARDING, "bc_forwarding"),
 
                DEVINET_SYSCTL_RW_ENTRY(ACCEPT_REDIRECTS, "accept_redirects"),
                DEVINET_SYSCTL_RW_ENTRY(SECURE_REDIRECTS, "secure_redirects"),