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Diffstat (limited to 'net/ipv4/ip_vti.c')
-rw-r--r--net/ipv4/ip_vti.c61
1 files changed, 38 insertions, 23 deletions
diff --git a/net/ipv4/ip_vti.c b/net/ipv4/ip_vti.c
index ee587adb169f..686e4f3d83aa 100644
--- a/net/ipv4/ip_vti.c
+++ b/net/ipv4/ip_vti.c
@@ -51,8 +51,11 @@ static int vti_input(struct sk_buff *skb, int nexthdr, __be32 spi,
const struct iphdr *iph = ip_hdr(skb);
struct net *net = dev_net(skb->dev);
struct ip_tunnel_net *itn = net_generic(net, vti_net_id);
+ IP_TUNNEL_DECLARE_FLAGS(flags) = { };
- tunnel = ip_tunnel_lookup(itn, skb->dev->ifindex, TUNNEL_NO_KEY,
+ __set_bit(IP_TUNNEL_NO_KEY_BIT, flags);
+
+ tunnel = ip_tunnel_lookup(itn, skb->dev->ifindex, flags,
iph->saddr, iph->daddr, 0);
if (tunnel) {
if (!xfrm4_policy_check(NULL, XFRM_POLICY_IN, skb))
@@ -167,7 +170,7 @@ static netdev_tx_t vti_xmit(struct sk_buff *skb, struct net_device *dev,
struct flowi *fl)
{
struct ip_tunnel *tunnel = netdev_priv(dev);
- struct ip_tunnel_parm *parms = &tunnel->parms;
+ struct ip_tunnel_parm_kern *parms = &tunnel->parms;
struct dst_entry *dst = skb_dst(skb);
struct net_device *tdev; /* Device to other host */
int pkt_len = skb->len;
@@ -322,8 +325,11 @@ static int vti4_err(struct sk_buff *skb, u32 info)
const struct iphdr *iph = (const struct iphdr *)skb->data;
int protocol = iph->protocol;
struct ip_tunnel_net *itn = net_generic(net, vti_net_id);
+ IP_TUNNEL_DECLARE_FLAGS(flags) = { };
+
+ __set_bit(IP_TUNNEL_NO_KEY_BIT, flags);
- tunnel = ip_tunnel_lookup(itn, skb->dev->ifindex, TUNNEL_NO_KEY,
+ tunnel = ip_tunnel_lookup(itn, skb->dev->ifindex, flags,
iph->daddr, iph->saddr, 0);
if (!tunnel)
return -1;
@@ -373,8 +379,9 @@ static int vti4_err(struct sk_buff *skb, u32 info)
}
static int
-vti_tunnel_ctl(struct net_device *dev, struct ip_tunnel_parm *p, int cmd)
+vti_tunnel_ctl(struct net_device *dev, struct ip_tunnel_parm_kern *p, int cmd)
{
+ IP_TUNNEL_DECLARE_FLAGS(flags) = { };
int err = 0;
if (cmd == SIOCADDTUNNEL || cmd == SIOCCHGTUNNEL) {
@@ -383,20 +390,26 @@ vti_tunnel_ctl(struct net_device *dev, struct ip_tunnel_parm *p, int cmd)
return -EINVAL;
}
- if (!(p->i_flags & GRE_KEY))
+ if (!ip_tunnel_flags_is_be16_compat(p->i_flags) ||
+ !ip_tunnel_flags_is_be16_compat(p->o_flags))
+ return -EOVERFLOW;
+
+ if (!(ip_tunnel_flags_to_be16(p->i_flags) & GRE_KEY))
p->i_key = 0;
- if (!(p->o_flags & GRE_KEY))
+ if (!(ip_tunnel_flags_to_be16(p->o_flags) & GRE_KEY))
p->o_key = 0;
- p->i_flags = VTI_ISVTI;
+ __set_bit(IP_TUNNEL_VTI_BIT, flags);
+ ip_tunnel_flags_copy(p->i_flags, flags);
err = ip_tunnel_ctl(dev, p, cmd);
if (err)
return err;
if (cmd != SIOCDELTUNNEL) {
- p->i_flags |= GRE_KEY;
- p->o_flags |= GRE_KEY;
+ ip_tunnel_flags_from_be16(flags, GRE_KEY);
+ ip_tunnel_flags_or(p->i_flags, p->i_flags, flags);
+ ip_tunnel_flags_or(p->o_flags, p->o_flags, flags);
}
return 0;
}
@@ -430,7 +443,7 @@ static int vti_tunnel_init(struct net_device *dev)
dev->flags = IFF_NOARP;
dev->addr_len = 4;
- dev->features |= NETIF_F_LLTX;
+ dev->lltx = true;
netif_keep_dst(dev);
return ip_tunnel_init(dev);
@@ -510,16 +523,15 @@ static int __net_init vti_init_net(struct net *net)
return 0;
}
-static void __net_exit vti_exit_batch_rtnl(struct list_head *list_net,
- struct list_head *dev_to_kill)
+static void __net_exit vti_exit_rtnl(struct net *net,
+ struct list_head *dev_to_kill)
{
- ip_tunnel_delete_nets(list_net, vti_net_id, &vti_link_ops,
- dev_to_kill);
+ ip_tunnel_delete_net(net, vti_net_id, &vti_link_ops, dev_to_kill);
}
static struct pernet_operations vti_net_ops = {
.init = vti_init_net,
- .exit_batch_rtnl = vti_exit_batch_rtnl,
+ .exit_rtnl = vti_exit_rtnl,
.id = &vti_net_id,
.size = sizeof(struct ip_tunnel_net),
};
@@ -531,7 +543,7 @@ static int vti_tunnel_validate(struct nlattr *tb[], struct nlattr *data[],
}
static void vti_netlink_parms(struct nlattr *data[],
- struct ip_tunnel_parm *parms,
+ struct ip_tunnel_parm_kern *parms,
__u32 *fwmark)
{
memset(parms, 0, sizeof(*parms));
@@ -541,7 +553,7 @@ static void vti_netlink_parms(struct nlattr *data[],
if (!data)
return;
- parms->i_flags = VTI_ISVTI;
+ __set_bit(IP_TUNNEL_VTI_BIT, parms->i_flags);
if (data[IFLA_VTI_LINK])
parms->link = nla_get_u32(data[IFLA_VTI_LINK]);
@@ -562,15 +574,18 @@ static void vti_netlink_parms(struct nlattr *data[],
*fwmark = nla_get_u32(data[IFLA_VTI_FWMARK]);
}
-static int vti_newlink(struct net *src_net, struct net_device *dev,
- struct nlattr *tb[], struct nlattr *data[],
+static int vti_newlink(struct net_device *dev,
+ struct rtnl_newlink_params *params,
struct netlink_ext_ack *extack)
{
- struct ip_tunnel_parm parms;
+ struct nlattr **data = params->data;
+ struct ip_tunnel_parm_kern parms;
+ struct nlattr **tb = params->tb;
__u32 fwmark = 0;
vti_netlink_parms(data, &parms, &fwmark);
- return ip_tunnel_newlink(dev, tb, &parms, fwmark);
+ return ip_tunnel_newlink(params->link_net ? : dev_net(dev), dev, tb,
+ &parms, fwmark);
}
static int vti_changelink(struct net_device *dev, struct nlattr *tb[],
@@ -578,8 +593,8 @@ static int vti_changelink(struct net_device *dev, struct nlattr *tb[],
struct netlink_ext_ack *extack)
{
struct ip_tunnel *t = netdev_priv(dev);
+ struct ip_tunnel_parm_kern p;
__u32 fwmark = t->fwmark;
- struct ip_tunnel_parm p;
vti_netlink_parms(data, &p, &fwmark);
return ip_tunnel_changelink(dev, tb, &p, fwmark);
@@ -606,7 +621,7 @@ static size_t vti_get_size(const struct net_device *dev)
static int vti_fill_info(struct sk_buff *skb, const struct net_device *dev)
{
struct ip_tunnel *t = netdev_priv(dev);
- struct ip_tunnel_parm *p = &t->parms;
+ struct ip_tunnel_parm_kern *p = &t->parms;
if (nla_put_u32(skb, IFLA_VTI_LINK, p->link) ||
nla_put_be32(skb, IFLA_VTI_IKEY, p->i_key) ||
generated by cgit (git 2.34.1) at 2025-07-23 10:49:32 +0000