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Diffstat (limited to 'net/ipv6/addrconf.c')
-rw-r--r--net/ipv6/addrconf.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index d6b4f5d08014..7dcc065e2160 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -201,6 +201,7 @@ static struct ipv6_devconf ipv6_devconf __read_mostly = {
.disable_ipv6 = 0,
.accept_dad = 1,
.suppress_frag_ndisc = 1,
+ .accept_ra_mtu = 1,
};
static struct ipv6_devconf ipv6_devconf_dflt __read_mostly = {
@@ -238,6 +239,7 @@ static struct ipv6_devconf ipv6_devconf_dflt __read_mostly = {
.disable_ipv6 = 0,
.accept_dad = 1,
.suppress_frag_ndisc = 1,
+ .accept_ra_mtu = 1,
};
/* Check if a valid qdisc is available */
@@ -4380,6 +4382,7 @@ static inline void ipv6_store_devconf(struct ipv6_devconf *cnf,
array[DEVCONF_NDISC_NOTIFY] = cnf->ndisc_notify;
array[DEVCONF_SUPPRESS_FRAG_NDISC] = cnf->suppress_frag_ndisc;
array[DEVCONF_ACCEPT_RA_FROM_LOCAL] = cnf->accept_ra_from_local;
+ array[DEVCONF_ACCEPT_RA_MTU] = cnf->accept_ra_mtu;
}
static inline size_t inet6_ifla6_size(void)
@@ -5259,6 +5262,13 @@ static struct addrconf_sysctl_table
.proc_handler = proc_dointvec,
},
{
+ .procname = "accept_ra_mtu",
+ .data = &ipv6_devconf.accept_ra_mtu,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec,
+ },
+ {
/* sentinel */
}
},