net/ipv6/ip6_tunnel.c | 276 +++++++++++++++++++++++++++++++++++++++--
3 files changed, 291 insertions(+), 11 deletions(-)
-diff --git a/include/net/ip6_tunnel.h b/include/net/ip6_tunnel.h
-index a5593da..414f5a1 100644
--- a/include/net/ip6_tunnel.h
+++ b/include/net/ip6_tunnel.h
@@ -15,6 +15,18 @@
__be16 i_flags;
__be16 o_flags;
-diff --git a/include/uapi/linux/if_tunnel.h b/include/uapi/linux/if_tunnel.h
-index aee73d0..c5b25d4 100644
--- a/include/uapi/linux/if_tunnel.h
+++ b/include/uapi/linux/if_tunnel.h
@@ -53,10 +53,23 @@ enum {
/* SIT-mode i_flags */
#define SIT_ISATAP 0x0001
-diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
-index b05b609..c2216b0 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -16,6 +16,8 @@
}
t = rcu_dereference(ip6n->tnls_wc[0]);
if (t && (t->dev->flags & IFF_UP))
-@@ -217,7 +226,7 @@ ip6_tnl_bucket(struct ip6_tnl_net *ip6n, const struct __ip6_tnl_parm *p)
+@@ -217,7 +226,7 @@ ip6_tnl_bucket(struct ip6_tnl_net *ip6n,
if (!ipv6_addr_any(remote) || !ipv6_addr_any(local)) {
prio = 1;
}
return &ip6n->tnls[prio][h];
}
-@@ -385,6 +394,12 @@ ip6_tnl_dev_uninit(struct net_device *dev)
+@@ -385,6 +394,12 @@ ip6_tnl_dev_uninit(struct net_device *de
struct net *net = t->net;
struct ip6_tnl_net *ip6n = net_generic(net, ip6_tnl_net_id);
/**
* ip6_tnl_rcv - decapsulate IPv6 packet and retransmit it locally
* @skb: received socket buffer
-@@ -812,6 +928,26 @@ static int ip6_tnl_rcv(struct sk_buff *skb, __u16 protocol,
+@@ -812,6 +929,26 @@ static int ip6_tnl_rcv(struct sk_buff *s
skb_reset_network_header(skb);
skb->protocol = htons(protocol);
memset(skb->cb, 0, sizeof(struct inet6_skb_parm));
__skb_tunnel_rx(skb, t->dev, t->net);
-@@ -1072,6 +1208,7 @@ ip4ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
+@@ -1072,6 +1209,7 @@ ip4ip6_tnl_xmit(struct sk_buff *skb, str
__u8 dsfield;
__u32 mtu;
int err;
if ((t->parms.proto != IPPROTO_IPIP && t->parms.proto != 0) ||
!ip6_tnl_xmit_ctl(t))
-@@ -1091,6 +1228,18 @@ ip4ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
+@@ -1091,6 +1229,18 @@ ip4ip6_tnl_xmit(struct sk_buff *skb, str
if (t->parms.flags & IP6_TNL_F_USE_ORIG_FWMARK)
fl6.flowi6_mark = skb->mark;
err = ip6_tnl_xmit2(skb, dev, dsfield, &fl6, encap_limit, &mtu);
if (err != 0) {
/* XXX: send ICMP error even if DF is not set. */
-@@ -1259,6 +1408,14 @@ ip6_tnl_change(struct ip6_tnl *t, const struct __ip6_tnl_parm *p)
+@@ -1259,6 +1409,14 @@ ip6_tnl_change(struct ip6_tnl *t, const
t->parms.flowinfo = p->flowinfo;
t->parms.link = p->link;
t->parms.proto = p->proto;
ip6_tnl_dst_reset(t);
ip6_tnl_link_config(t);
return 0;
-@@ -1289,6 +1446,7 @@ ip6_tnl_parm_from_user(struct __ip6_tnl_parm *p, const struct ip6_tnl_parm *u)
+@@ -1289,6 +1447,7 @@ ip6_tnl_parm_from_user(struct __ip6_tnl_
p->flowinfo = u->flowinfo;
p->link = u->link;
p->proto = u->proto;
memcpy(p->name, u->name, sizeof(u->name));
}
-@@ -1569,6 +1727,15 @@ static int ip6_tnl_validate(struct nlattr *tb[], struct nlattr *data[])
+@@ -1576,6 +1735,15 @@ static int ip6_tnl_validate(struct nlatt
return 0;
}
static void ip6_tnl_netlink_parms(struct nlattr *data[],
struct __ip6_tnl_parm *parms)
{
-@@ -1602,6 +1769,46 @@ static void ip6_tnl_netlink_parms(struct nlattr *data[],
+@@ -1609,6 +1777,46 @@ static void ip6_tnl_netlink_parms(struct
if (data[IFLA_IPTUN_PROTO])
parms->proto = nla_get_u8(data[IFLA_IPTUN_PROTO]);
}
static int ip6_tnl_newlink(struct net *src_net, struct net_device *dev,
-@@ -1654,6 +1861,12 @@ static void ip6_tnl_dellink(struct net_device *dev, struct list_head *head)
+@@ -1661,6 +1869,12 @@ static void ip6_tnl_dellink(struct net_d
static size_t ip6_tnl_get_size(const struct net_device *dev)
{
return
/* IFLA_IPTUN_LINK */
nla_total_size(4) +
-@@ -1671,6 +1884,24 @@ static size_t ip6_tnl_get_size(const struct net_device *dev)
+@@ -1678,6 +1892,24 @@ static size_t ip6_tnl_get_size(const str
nla_total_size(4) +
/* IFLA_IPTUN_PROTO */
nla_total_size(1) +
0;
}
-@@ -1678,6 +1909,9 @@ static int ip6_tnl_fill_info(struct sk_buff *skb, const struct net_device *dev)
+@@ -1685,6 +1917,9 @@ static int ip6_tnl_fill_info(struct sk_b
{
struct ip6_tnl *tunnel = netdev_priv(dev);
struct __ip6_tnl_parm *parm = &tunnel->parms;
if (nla_put_u32(skb, IFLA_IPTUN_LINK, parm->link) ||
nla_put(skb, IFLA_IPTUN_LOCAL, sizeof(struct in6_addr),
-@@ -1688,8 +1922,27 @@ static int ip6_tnl_fill_info(struct sk_buff *skb, const struct net_device *dev)
+@@ -1695,8 +1930,27 @@ static int ip6_tnl_fill_info(struct sk_b
nla_put_u8(skb, IFLA_IPTUN_ENCAP_LIMIT, parm->encap_limit) ||
nla_put_be32(skb, IFLA_IPTUN_FLOWINFO, parm->flowinfo) ||
nla_put_u32(skb, IFLA_IPTUN_FLAGS, parm->flags) ||
return 0;
nla_put_failure:
-@@ -1705,6 +1958,7 @@ static const struct nla_policy ip6_tnl_policy[IFLA_IPTUN_MAX + 1] = {
+@@ -1712,6 +1966,7 @@ static const struct nla_policy ip6_tnl_p
[IFLA_IPTUN_FLOWINFO] = { .type = NLA_U32 },
[IFLA_IPTUN_FLAGS] = { .type = NLA_U32 },
[IFLA_IPTUN_PROTO] = { .type = NLA_U8 },
};
static struct rtnl_link_ops ip6_link_ops __read_mostly = {
---
-1.9.1
-
static const struct rt6_info ip6_blk_hole_entry_template = {
.dst = {
.__refcnt = ATOMIC_INIT(1),
-@@ -1594,6 +1611,11 @@ int ip6_route_add(struct fib6_config *cf
+@@ -1595,6 +1612,11 @@ int ip6_route_add(struct fib6_config *cf
rt->dst.output = ip6_pkt_prohibit_out;
rt->dst.input = ip6_pkt_prohibit;
break;
case RTN_THROW:
default:
rt->dst.error = (cfg->fc_type == RTN_THROW) ? -EAGAIN
-@@ -2173,6 +2195,17 @@ static int ip6_pkt_prohibit_out(struct s
+@@ -2174,6 +2196,17 @@ static int ip6_pkt_prohibit_out(struct s
return ip6_pkt_drop(skb, ICMPV6_ADM_PROHIBITED, IPSTATS_MIB_OUTNOROUTES);
}
/*
* Allocate a dst for local (unicast / anycast) address.
*/
-@@ -2375,7 +2408,8 @@ static int rtm_to_fib6_config(struct sk_
+@@ -2376,7 +2409,8 @@ static int rtm_to_fib6_config(struct sk_
if (rtm->rtm_type == RTN_UNREACHABLE ||
rtm->rtm_type == RTN_BLACKHOLE ||
rtm->rtm_type == RTN_PROHIBIT ||
cfg->fc_flags |= RTF_REJECT;
if (rtm->rtm_type == RTN_LOCAL)
-@@ -2577,6 +2611,9 @@ static int rt6_fill_node(struct net *net
+@@ -2578,6 +2612,9 @@ static int rt6_fill_node(struct net *net
case -EACCES:
rtm->rtm_type = RTN_PROHIBIT;
break;
case -EAGAIN:
rtm->rtm_type = RTN_THROW;
break;
-@@ -2827,6 +2864,8 @@ static int ip6_route_dev_notify(struct n
+@@ -2828,6 +2865,8 @@ static int ip6_route_dev_notify(struct n
#ifdef CONFIG_IPV6_MULTIPLE_TABLES
net->ipv6.ip6_prohibit_entry->dst.dev = dev;
net->ipv6.ip6_prohibit_entry->rt6i_idev = in6_dev_get(dev);
net->ipv6.ip6_blk_hole_entry->dst.dev = dev;
net->ipv6.ip6_blk_hole_entry->rt6i_idev = in6_dev_get(dev);
#endif
-@@ -3043,6 +3082,17 @@ static int __net_init ip6_route_net_init
+@@ -3044,6 +3083,17 @@ static int __net_init ip6_route_net_init
net->ipv6.ip6_blk_hole_entry->dst.ops = &net->ipv6.ip6_dst_ops;
dst_init_metrics(&net->ipv6.ip6_blk_hole_entry->dst,
ip6_template_metrics, true);
#endif
net->ipv6.sysctl.flush_delay = 0;
-@@ -3061,6 +3111,8 @@ out:
+@@ -3062,6 +3112,8 @@ out:
return ret;
#ifdef CONFIG_IPV6_MULTIPLE_TABLES
out_ip6_prohibit_entry:
kfree(net->ipv6.ip6_prohibit_entry);
out_ip6_null_entry:
-@@ -3078,6 +3130,7 @@ static void __net_exit ip6_route_net_exi
+@@ -3079,6 +3131,7 @@ static void __net_exit ip6_route_net_exi
#ifdef CONFIG_IPV6_MULTIPLE_TABLES
kfree(net->ipv6.ip6_prohibit_entry);
kfree(net->ipv6.ip6_blk_hole_entry);
#endif
dst_entries_destroy(&net->ipv6.ip6_dst_ops);
}
-@@ -3174,6 +3227,9 @@ int __init ip6_route_init(void)
+@@ -3175,6 +3228,9 @@ int __init ip6_route_init(void)
init_net.ipv6.ip6_prohibit_entry->rt6i_idev = in6_dev_get(init_net.loopback_dev);
init_net.ipv6.ip6_blk_hole_entry->dst.dev = init_net.loopback_dev;
init_net.ipv6.ip6_blk_hole_entry->rt6i_idev = in6_dev_get(init_net.loopback_dev);