summaryrefslogtreecommitdiffstats
path: root/net/ipv6/ip6_tunnel.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/ipv6/ip6_tunnel.c')
-rw-r--r--net/ipv6/ip6_tunnel.c83
1 files changed, 46 insertions, 37 deletions
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 4f4483e697b..c1b1bd312df 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -57,6 +57,7 @@
MODULE_AUTHOR("Ville Nuorvala");
MODULE_DESCRIPTION("IPv6 tunneling device");
MODULE_LICENSE("GPL");
+MODULE_ALIAS_NETDEV("ip6tnl0");
#ifdef IP6_TNL_DEBUG
#define IP6_TNL_TRACE(x...) printk(KERN_DEBUG "%s:" x "\n", __func__)
@@ -535,7 +536,6 @@ ip4ip6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
int err;
struct sk_buff *skb2;
struct iphdr *eiph;
- struct flowi fl;
struct rtable *rt;
err = ip6_tnl_err(skb, IPPROTO_IPIP, opt, &rel_type, &rel_code,
@@ -577,11 +577,11 @@ ip4ip6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
eiph = ip_hdr(skb2);
/* Try to guess incoming interface */
- memset(&fl, 0, sizeof(fl));
- fl.fl4_dst = eiph->saddr;
- fl.fl4_tos = RT_TOS(eiph->tos);
- fl.proto = IPPROTO_IPIP;
- if (ip_route_output_key(dev_net(skb->dev), &rt, &fl))
+ rt = ip_route_output_ports(dev_net(skb->dev), NULL,
+ eiph->saddr, 0,
+ 0, 0,
+ IPPROTO_IPIP, RT_TOS(eiph->tos), 0);
+ if (IS_ERR(rt))
goto out;
skb2->dev = rt->dst.dev;
@@ -590,15 +590,18 @@ ip4ip6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
if (rt->rt_flags & RTCF_LOCAL) {
ip_rt_put(rt);
rt = NULL;
- fl.fl4_dst = eiph->daddr;
- fl.fl4_src = eiph->saddr;
- fl.fl4_tos = eiph->tos;
- if (ip_route_output_key(dev_net(skb->dev), &rt, &fl) ||
+ rt = ip_route_output_ports(dev_net(skb->dev), NULL,
+ eiph->daddr, eiph->saddr,
+ 0, 0,
+ IPPROTO_IPIP,
+ RT_TOS(eiph->tos), 0);
+ if (IS_ERR(rt) ||
rt->dst.dev->type != ARPHRD_TUNNEL) {
- ip_rt_put(rt);
+ if (!IS_ERR(rt))
+ ip_rt_put(rt);
goto out;
}
- skb_dst_set(skb2, (struct dst_entry *)rt);
+ skb_dst_set(skb2, &rt->dst);
} else {
ip_rt_put(rt);
if (ip_route_input(skb2, eiph->daddr, eiph->saddr, eiph->tos,
@@ -881,7 +884,7 @@ static inline int ip6_tnl_xmit_ctl(struct ip6_tnl *t)
static int ip6_tnl_xmit2(struct sk_buff *skb,
struct net_device *dev,
__u8 dsfield,
- struct flowi *fl,
+ struct flowi6 *fl6,
int encap_limit,
__u32 *pmtu)
{
@@ -901,10 +904,16 @@ static int ip6_tnl_xmit2(struct sk_buff *skb,
if ((dst = ip6_tnl_dst_check(t)) != NULL)
dst_hold(dst);
else {
- dst = ip6_route_output(net, NULL, fl);
+ dst = ip6_route_output(net, NULL, fl6);
- if (dst->error || xfrm_lookup(net, &dst, fl, NULL, 0) < 0)
+ if (dst->error)
goto tx_err_link_failure;
+ dst = xfrm_lookup(net, dst, flowi6_to_flowi(fl6), NULL, 0);
+ if (IS_ERR(dst)) {
+ err = PTR_ERR(dst);
+ dst = NULL;
+ goto tx_err_link_failure;
+ }
}
tdev = dst->dev;
@@ -954,7 +963,7 @@ static int ip6_tnl_xmit2(struct sk_buff *skb,
skb->transport_header = skb->network_header;
- proto = fl->proto;
+ proto = fl6->flowi6_proto;
if (encap_limit >= 0) {
init_tel_txopt(&opt, encap_limit);
ipv6_push_nfrag_opts(skb, &opt.ops, &proto, NULL);
@@ -962,13 +971,13 @@ static int ip6_tnl_xmit2(struct sk_buff *skb,
skb_push(skb, sizeof(struct ipv6hdr));
skb_reset_network_header(skb);
ipv6h = ipv6_hdr(skb);
- *(__be32*)ipv6h = fl->fl6_flowlabel | htonl(0x60000000);
+ *(__be32*)ipv6h = fl6->flowlabel | htonl(0x60000000);
dsfield = INET_ECN_encapsulate(0, dsfield);
ipv6_change_dsfield(ipv6h, ~INET_ECN_MASK, dsfield);
ipv6h->hop_limit = t->parms.hop_limit;
ipv6h->nexthdr = proto;
- ipv6_addr_copy(&ipv6h->saddr, &fl->fl6_src);
- ipv6_addr_copy(&ipv6h->daddr, &fl->fl6_dst);
+ ipv6_addr_copy(&ipv6h->saddr, &fl6->saddr);
+ ipv6_addr_copy(&ipv6h->daddr, &fl6->daddr);
nf_reset(skb);
pkt_len = skb->len;
err = ip6_local_out(skb);
@@ -998,7 +1007,7 @@ ip4ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
struct ip6_tnl *t = netdev_priv(dev);
struct iphdr *iph = ip_hdr(skb);
int encap_limit = -1;
- struct flowi fl;
+ struct flowi6 fl6;
__u8 dsfield;
__u32 mtu;
int err;
@@ -1010,16 +1019,16 @@ ip4ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
if (!(t->parms.flags & IP6_TNL_F_IGN_ENCAP_LIMIT))
encap_limit = t->parms.encap_limit;
- memcpy(&fl, &t->fl, sizeof (fl));
- fl.proto = IPPROTO_IPIP;
+ memcpy(&fl6, &t->fl.u.ip6, sizeof (fl6));
+ fl6.flowi6_proto = IPPROTO_IPIP;
dsfield = ipv4_get_dsfield(iph);
if ((t->parms.flags & IP6_TNL_F_USE_ORIG_TCLASS))
- fl.fl6_flowlabel |= htonl((__u32)iph->tos << IPV6_TCLASS_SHIFT)
+ fl6.flowlabel |= htonl((__u32)iph->tos << IPV6_TCLASS_SHIFT)
& IPV6_TCLASS_MASK;
- err = ip6_tnl_xmit2(skb, dev, dsfield, &fl, encap_limit, &mtu);
+ err = ip6_tnl_xmit2(skb, dev, dsfield, &fl6, encap_limit, &mtu);
if (err != 0) {
/* XXX: send ICMP error even if DF is not set. */
if (err == -EMSGSIZE)
@@ -1038,7 +1047,7 @@ ip6ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
struct ipv6hdr *ipv6h = ipv6_hdr(skb);
int encap_limit = -1;
__u16 offset;
- struct flowi fl;
+ struct flowi6 fl6;
__u8 dsfield;
__u32 mtu;
int err;
@@ -1060,16 +1069,16 @@ ip6ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
} else if (!(t->parms.flags & IP6_TNL_F_IGN_ENCAP_LIMIT))
encap_limit = t->parms.encap_limit;
- memcpy(&fl, &t->fl, sizeof (fl));
- fl.proto = IPPROTO_IPV6;
+ memcpy(&fl6, &t->fl.u.ip6, sizeof (fl6));
+ fl6.flowi6_proto = IPPROTO_IPV6;
dsfield = ipv6_get_dsfield(ipv6h);
if ((t->parms.flags & IP6_TNL_F_USE_ORIG_TCLASS))
- fl.fl6_flowlabel |= (*(__be32 *) ipv6h & IPV6_TCLASS_MASK);
+ fl6.flowlabel |= (*(__be32 *) ipv6h & IPV6_TCLASS_MASK);
if ((t->parms.flags & IP6_TNL_F_USE_ORIG_FLOWLABEL))
- fl.fl6_flowlabel |= (*(__be32 *) ipv6h & IPV6_FLOWLABEL_MASK);
+ fl6.flowlabel |= (*(__be32 *) ipv6h & IPV6_FLOWLABEL_MASK);
- err = ip6_tnl_xmit2(skb, dev, dsfield, &fl, encap_limit, &mtu);
+ err = ip6_tnl_xmit2(skb, dev, dsfield, &fl6, encap_limit, &mtu);
if (err != 0) {
if (err == -EMSGSIZE)
icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu);
@@ -1132,21 +1141,21 @@ static void ip6_tnl_link_config(struct ip6_tnl *t)
{
struct net_device *dev = t->dev;
struct ip6_tnl_parm *p = &t->parms;
- struct flowi *fl = &t->fl;
+ struct flowi6 *fl6 = &t->fl.u.ip6;
memcpy(dev->dev_addr, &p->laddr, sizeof(struct in6_addr));
memcpy(dev->broadcast, &p->raddr, sizeof(struct in6_addr));
/* Set up flowi template */
- ipv6_addr_copy(&fl->fl6_src, &p->laddr);
- ipv6_addr_copy(&fl->fl6_dst, &p->raddr);
- fl->oif = p->link;
- fl->fl6_flowlabel = 0;
+ ipv6_addr_copy(&fl6->saddr, &p->laddr);
+ ipv6_addr_copy(&fl6->daddr, &p->raddr);
+ fl6->flowi6_oif = p->link;
+ fl6->flowlabel = 0;
if (!(p->flags&IP6_TNL_F_USE_ORIG_TCLASS))
- fl->fl6_flowlabel |= IPV6_TCLASS_MASK & p->flowinfo;
+ fl6->flowlabel |= IPV6_TCLASS_MASK & p->flowinfo;
if (!(p->flags&IP6_TNL_F_USE_ORIG_FLOWLABEL))
- fl->fl6_flowlabel |= IPV6_FLOWLABEL_MASK & p->flowinfo;
+ fl6->flowlabel |= IPV6_FLOWLABEL_MASK & p->flowinfo;
ip6_tnl_set_cap(t);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-10-31 07:21:33 +0000