diff options
Diffstat (limited to 'net/ipv6/addrconf.c')
| -rw-r--r-- | net/ipv6/addrconf.c | 30 |
1 files changed, 27 insertions, 3 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 2d2241006d35..4b707ad4ffbd 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 */ @@ -2081,6 +2083,16 @@ 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; } @@ -2463,8 +2475,11 @@ 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); } @@ -3128,7 +3143,9 @@ 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; } @@ -5810,6 +5827,13 @@ 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, |