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Diffstat (limited to 'net/ipv6/addrconf.c')
-rw-r--r--net/ipv6/addrconf.c46
1 files changed, 43 insertions, 3 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 0ffd555151be..5183466df92a 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -240,6 +240,7 @@ static struct ipv6_devconf ipv6_devconf __read_mostly = {
},
.use_oif_addrs_only = 0,
.ignore_routes_with_linkdown = 0,
+ .accept_ra_prefix_route = 1,
};
static struct ipv6_devconf ipv6_devconf_dflt __read_mostly = {
@@ -287,6 +288,7 @@ static struct ipv6_devconf ipv6_devconf_dflt __read_mostly = {
},
.use_oif_addrs_only = 0,
.ignore_routes_with_linkdown = 0,
+ .accept_ra_prefix_route = 1,
};
/* Check if a valid qdisc is available */
@@ -2085,6 +2087,16 @@ static int ipv6_generate_eui64(u8 *eui, struct net_device *dev)
return addrconf_ifid_ieee1394(eui, dev);
case ARPHRD_TUNNEL6:
return addrconf_ifid_ip6tnl(eui, dev);
+ case ARPHRD_RAWIP: {
+ struct in6_addr lladdr;
+
+ if (ipv6_get_lladdr(dev, &lladdr, IFA_F_TENTATIVE))
+ get_random_bytes(eui, 8);
+ else
+ memcpy(eui, lladdr.s6_addr + 8, 8);
+
+ return 0;
+ }
}
return -1;
}
@@ -2467,8 +2479,11 @@ void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len, bool sllao)
flags |= RTF_EXPIRES;
expires = jiffies_to_clock_t(rt_expires);
}
- addrconf_prefix_route(&pinfo->prefix, pinfo->prefix_len,
- dev, expires, flags);
+ if (dev->ip6_ptr->cnf.accept_ra_prefix_route) {
+ addrconf_prefix_route(&pinfo->prefix,
+ pinfo->prefix_len,
+ dev, expires, flags);
+ }
}
ip6_rt_put(rt);
}
@@ -3132,7 +3147,9 @@ static void addrconf_dev_config(struct net_device *dev)
(dev->type != ARPHRD_IEEE802154) &&
(dev->type != ARPHRD_IEEE1394) &&
(dev->type != ARPHRD_TUNNEL6) &&
- (dev->type != ARPHRD_6LOWPAN)) {
+ (dev->type != ARPHRD_6LOWPAN) &&
+ (dev->type != ARPHRD_RAWIP) &&
+ (dev->type != ARPHRD_INFINIBAND)) {
/* Alas, we support only Ethernet autoconfiguration. */
return;
}
@@ -4755,6 +4772,8 @@ static inline void ipv6_store_devconf(struct ipv6_devconf *cnf,
array[DEVCONF_IGNORE_ROUTES_WITH_LINKDOWN] = cnf->ignore_routes_with_linkdown;
/* we omit DEVCONF_STABLE_SECRET for now */
array[DEVCONF_USE_OIF_ADDRS_ONLY] = cnf->use_oif_addrs_only;
+ array[DEVCONF_DROP_UNICAST_IN_L2_MULTICAST] = cnf->drop_unicast_in_l2_multicast;
+ array[DEVCONF_DROP_UNSOLICITED_NA] = cnf->drop_unsolicited_na;
}
static inline size_t inet6_ifla6_size(void)
@@ -5814,6 +5833,13 @@ static struct addrconf_sysctl_table
.proc_handler = proc_dointvec,
},
{
+ .procname = "accept_ra_prefix_route",
+ .data = &ipv6_devconf.accept_ra_prefix_route,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec,
+ },
+ {
.procname = "stable_secret",
.data = &ipv6_devconf.stable_secret,
.maxlen = IPV6_MAX_STRLEN,
@@ -5835,6 +5861,20 @@ static struct addrconf_sysctl_table
.proc_handler = addrconf_sysctl_ignore_routes_with_linkdown,
},
{
+ .procname = "drop_unicast_in_l2_multicast",
+ .data = &ipv6_devconf.drop_unicast_in_l2_multicast,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec,
+ },
+ {
+ .procname = "drop_unsolicited_na",
+ .data = &ipv6_devconf.drop_unsolicited_na,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec,
+ },
+ {
/* sentinel */
}
},