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-rw-r--r--net/ipv6/addrconf.c8
-rw-r--r--net/ipv6/ndisc.c1
2 files changed, 9 insertions, 0 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 1fd0a3d775d2..bdcee6981c60 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -4353,6 +4353,14 @@ static struct addrconf_sysctl_table
.proc_handler = proc_dointvec,
},
{
+ .ctl_name = CTL_UNNUMBERED,
+ .procname = "force_tllao",
+ .data = &ipv6_devconf.force_tllao,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec
+ },
+ {
.ctl_name = 0, /* sentinel */
}
},
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index f74e4e2cdd06..3507cfe1e7a2 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -598,6 +598,7 @@ static void ndisc_send_na(struct net_device *dev, struct neighbour *neigh,
icmp6h.icmp6_solicited = solicited;
icmp6h.icmp6_override = override;
+ inc_opt |= ifp->idev->cnf.force_tllao;
__ndisc_send(dev, neigh, daddr, src_addr,
&icmp6h, solicited_addr,
inc_opt ? ND_OPT_TARGET_LL_ADDR : 0);
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