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-rw-r--r--net/ipv6/addrconf.c24
-rw-r--r--net/ipv6/anycast.c17
-rw-r--r--net/ipv6/esp6.c13
-rw-r--r--net/ipv6/fib6_rules.c12
-rw-r--r--net/ipv6/ip6_flowlabel.c11
-rw-r--r--net/ipv6/ip6_vti.c52
-rw-r--r--net/ipv6/ipcomp6.c1
-rw-r--r--net/ipv6/ipv6_sockglue.c1
-rw-r--r--net/ipv6/netfilter/ip6_tables.c8
-rw-r--r--net/ipv6/netfilter/ip6t_ah.c3
-rw-r--r--net/ipv6/netfilter/ip6t_frag.c3
-rw-r--r--net/ipv6/netfilter/ip6t_hbh.c3
-rw-r--r--net/ipv6/netfilter/ip6t_rt.c3
-rw-r--r--net/ipv6/route.c8
-rw-r--r--net/ipv6/seg6_iptunnel.c17
-rw-r--r--net/ipv6/syncookies.c5
-rw-r--r--net/ipv6/tunnel6.c41
17 files changed, 172 insertions, 50 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 840bfdb3d7bd..0acf6a9796ca 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -163,7 +163,7 @@ static void addrconf_leave_anycast(struct inet6_ifaddr *ifp);
static void addrconf_type_change(struct net_device *dev,
unsigned long event);
-static int addrconf_ifdown(struct net_device *dev, int how);
+static int addrconf_ifdown(struct net_device *dev, bool unregister);
static struct fib6_info *addrconf_get_prefix_route(const struct in6_addr *pfx,
int plen,
@@ -3630,7 +3630,7 @@ static int addrconf_notify(struct notifier_block *this, unsigned long event,
* an L3 master device (e.g., VRF)
*/
if (info->upper_dev && netif_is_l3_master(info->upper_dev))
- addrconf_ifdown(dev, 0);
+ addrconf_ifdown(dev, false);
}
return NOTIFY_OK;
@@ -3663,9 +3663,9 @@ static bool addr_is_local(const struct in6_addr *addr)
(IPV6_ADDR_LINKLOCAL | IPV6_ADDR_LOOPBACK);
}
-static int addrconf_ifdown(struct net_device *dev, int how)
+static int addrconf_ifdown(struct net_device *dev, bool unregister)
{
- unsigned long event = how ? NETDEV_UNREGISTER : NETDEV_DOWN;
+ unsigned long event = unregister ? NETDEV_UNREGISTER : NETDEV_DOWN;
struct net *net = dev_net(dev);
struct inet6_dev *idev;
struct inet6_ifaddr *ifa, *tmp;
@@ -3684,7 +3684,7 @@ static int addrconf_ifdown(struct net_device *dev, int how)
* Step 1: remove reference to ipv6 device from parent device.
* Do not dev_put!
*/
- if (how) {
+ if (unregister) {
idev->dead = 1;
/* protected by rtnl_lock */
@@ -3698,7 +3698,7 @@ static int addrconf_ifdown(struct net_device *dev, int how)
/* combine the user config with event to determine if permanent
* addresses are to be removed from address hash table
*/
- if (!how && !idev->cnf.disable_ipv6) {
+ if (!unregister && !idev->cnf.disable_ipv6) {
/* aggregate the system setting and interface setting */
int _keep_addr = net->ipv6.devconf_all->keep_addr_on_down;
@@ -3736,7 +3736,7 @@ restart:
addrconf_del_rs_timer(idev);
/* Step 2: clear flags for stateless addrconf */
- if (!how)
+ if (!unregister)
idev->if_flags &= ~(IF_RS_SENT|IF_RA_RCVD|IF_READY);
/* Step 3: clear tempaddr list */
@@ -3806,7 +3806,7 @@ restart:
write_unlock_bh(&idev->lock);
/* Step 5: Discard anycast and multicast list */
- if (how) {
+ if (unregister) {
ipv6_ac_destroy_dev(idev);
ipv6_mc_destroy_dev(idev);
} else {
@@ -3816,7 +3816,7 @@ restart:
idev->tstamp = jiffies;
/* Last: Shot the device (if unregistered) */
- if (how) {
+ if (unregister) {
addrconf_sysctl_unregister(idev);
neigh_parms_release(&nd_tbl, idev->nd_parms);
neigh_ifdown(&nd_tbl, dev);
@@ -4038,7 +4038,7 @@ static void addrconf_dad_work(struct work_struct *w)
in6_ifa_hold(ifp);
addrconf_dad_stop(ifp, 1);
if (disable_ipv6)
- addrconf_ifdown(idev->dev, 0);
+ addrconf_ifdown(idev->dev, false);
goto out;
}
@@ -7187,9 +7187,9 @@ void addrconf_cleanup(void)
for_each_netdev(&init_net, dev) {
if (__in6_dev_get(dev) == NULL)
continue;
- addrconf_ifdown(dev, 1);
+ addrconf_ifdown(dev, true);
}
- addrconf_ifdown(init_net.loopback_dev, 2);
+ addrconf_ifdown(init_net.loopback_dev, true);
/*
* Check hash table.
diff --git a/net/ipv6/anycast.c b/net/ipv6/anycast.c
index 893261230ffc..dacdea7fcb62 100644
--- a/net/ipv6/anycast.c
+++ b/net/ipv6/anycast.c
@@ -183,7 +183,7 @@ int ipv6_sock_ac_drop(struct sock *sk, int ifindex, const struct in6_addr *addr)
return 0;
}
-void ipv6_sock_ac_close(struct sock *sk)
+void __ipv6_sock_ac_close(struct sock *sk)
{
struct ipv6_pinfo *np = inet6_sk(sk);
struct net_device *dev = NULL;
@@ -191,10 +191,7 @@ void ipv6_sock_ac_close(struct sock *sk)
struct net *net = sock_net(sk);
int prev_index;
- if (!np->ipv6_ac_list)
- return;
-
- rtnl_lock();
+ ASSERT_RTNL();
pac = np->ipv6_ac_list;
np->ipv6_ac_list = NULL;
@@ -211,6 +208,16 @@ void ipv6_sock_ac_close(struct sock *sk)
sock_kfree_s(sk, pac, sizeof(*pac));
pac = next;
}
+}
+
+void ipv6_sock_ac_close(struct sock *sk)
+{
+ struct ipv6_pinfo *np = inet6_sk(sk);
+
+ if (!np->ipv6_ac_list)
+ return;
+ rtnl_lock();
+ __ipv6_sock_ac_close(sk);
rtnl_unlock();
}
diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c
index c43592771126..52c2f063529f 100644
--- a/net/ipv6/esp6.c
+++ b/net/ipv6/esp6.c
@@ -805,10 +805,17 @@ int esp6_input_done2(struct sk_buff *skb, int err)
if (x->encap) {
const struct ipv6hdr *ip6h = ipv6_hdr(skb);
+ int offset = skb_network_offset(skb) + sizeof(*ip6h);
struct xfrm_encap_tmpl *encap = x->encap;
- struct udphdr *uh = (void *)(skb_network_header(skb) + hdr_len);
- struct tcphdr *th = (void *)(skb_network_header(skb) + hdr_len);
- __be16 source;
+ u8 nexthdr = ip6h->nexthdr;
+ __be16 frag_off, source;
+ struct udphdr *uh;
+ struct tcphdr *th;
+
+ offset = ipv6_skip_exthdr(skb, offset, &nexthdr, &frag_off);
+ uh = (void *)(skb->data + offset);
+ th = (void *)(skb->data + offset);
+ hdr_len += offset;
switch (x->encap->encap_type) {
case TCP_ENCAP_ESPINTCP:
diff --git a/net/ipv6/fib6_rules.c b/net/ipv6/fib6_rules.c
index 6053ef851555..8f9a83314de7 100644
--- a/net/ipv6/fib6_rules.c
+++ b/net/ipv6/fib6_rules.c
@@ -13,6 +13,7 @@
#include <linux/netdevice.h>
#include <linux/notifier.h>
#include <linux/export.h>
+#include <linux/indirect_call_wrapper.h>
#include <net/fib_rules.h>
#include <net/ipv6.h>
@@ -255,8 +256,9 @@ out:
return err;
}
-static int fib6_rule_action(struct fib_rule *rule, struct flowi *flp,
- int flags, struct fib_lookup_arg *arg)
+INDIRECT_CALLABLE_SCOPE int fib6_rule_action(struct fib_rule *rule,
+ struct flowi *flp, int flags,
+ struct fib_lookup_arg *arg)
{
if (arg->lookup_ptr == fib6_table_lookup)
return fib6_rule_action_alt(rule, flp, flags, arg);
@@ -264,7 +266,8 @@ static int fib6_rule_action(struct fib_rule *rule, struct flowi *flp,
return __fib6_rule_action(rule, flp, flags, arg);
}
-static bool fib6_rule_suppress(struct fib_rule *rule, struct fib_lookup_arg *arg)
+INDIRECT_CALLABLE_SCOPE bool fib6_rule_suppress(struct fib_rule *rule,
+ struct fib_lookup_arg *arg)
{
struct fib6_result *res = arg->result;
struct rt6_info *rt = res->rt6;
@@ -296,7 +299,8 @@ suppress_route:
return true;
}
-static int fib6_rule_match(struct fib_rule *rule, struct flowi *fl, int flags)
+INDIRECT_CALLABLE_SCOPE int fib6_rule_match(struct fib_rule *rule,
+ struct flowi *fl, int flags)
{
struct fib6_rule *r = (struct fib6_rule *) rule;
struct flowi6 *fl6 = &fl->u.ip6;
diff --git a/net/ipv6/ip6_flowlabel.c b/net/ipv6/ip6_flowlabel.c
index 215b6f5e733e..2d655260dedc 100644
--- a/net/ipv6/ip6_flowlabel.c
+++ b/net/ipv6/ip6_flowlabel.c
@@ -401,8 +401,8 @@ fl_create(struct net *net, struct sock *sk, struct in6_flowlabel_req *freq,
memset(fl->opt, 0, sizeof(*fl->opt));
fl->opt->tot_len = sizeof(*fl->opt) + olen;
err = -EFAULT;
- sockptr_advance(optval, CMSG_ALIGN(sizeof(*freq)));
- if (copy_from_sockptr(fl->opt + 1, optval, olen))
+ if (copy_from_sockptr_offset(fl->opt + 1, optval,
+ CMSG_ALIGN(sizeof(*freq)), olen))
goto done;
msg.msg_controllen = olen;
@@ -703,9 +703,10 @@ release:
goto recheck;
if (!freq->flr_label) {
- sockptr_advance(optval,
- offsetof(struct in6_flowlabel_req, flr_label));
- if (copy_to_sockptr(optval, &fl->label, sizeof(fl->label))) {
+ size_t offset = offsetof(struct in6_flowlabel_req, flr_label);
+
+ if (copy_to_sockptr_offset(optval, offset, &fl->label,
+ sizeof(fl->label))) {
/* Intentionally ignore fault. */
}
}
diff --git a/net/ipv6/ip6_vti.c b/net/ipv6/ip6_vti.c
index 0d964160a9dd..fac01b80a104 100644
--- a/net/ipv6/ip6_vti.c
+++ b/net/ipv6/ip6_vti.c
@@ -491,13 +491,16 @@ vti6_xmit(struct sk_buff *skb, struct net_device *dev, struct flowi *fl)
}
dst_hold(dst);
- dst = xfrm_lookup(t->net, dst, fl, NULL, 0);
+ dst = xfrm_lookup_route(t->net, dst, fl, NULL, 0);
if (IS_ERR(dst)) {
err = PTR_ERR(dst);
dst = NULL;
goto tx_err_link_failure;
}
+ if (dst->flags & DST_XFRM_QUEUE)
+ goto queued;
+
x = dst->xfrm;
if (!vti6_state_check(x, &t->parms.raddr, &t->parms.laddr))
goto tx_err_link_failure;
@@ -533,6 +536,7 @@ vti6_xmit(struct sk_buff *skb, struct net_device *dev, struct flowi *fl)
goto tx_err_dst_release;
}
+queued:
skb_scrub_packet(skb, !net_eq(t->net, dev_net(dev)));
skb_dst_set(skb, dst);
skb->dev = skb_dst(skb)->dev;
@@ -1219,6 +1223,33 @@ static struct xfrm6_protocol vti_ipcomp6_protocol __read_mostly = {
.priority = 100,
};
+#if IS_REACHABLE(CONFIG_INET6_XFRM_TUNNEL)
+static int vti6_rcv_tunnel(struct sk_buff *skb)
+{
+ const xfrm_address_t *saddr;
+ __be32 spi;
+
+ saddr = (const xfrm_address_t *)&ipv6_hdr(skb)->saddr;
+ spi = xfrm6_tunnel_spi_lookup(dev_net(skb->dev), saddr);
+
+ return vti6_input_proto(skb, IPPROTO_IPV6, spi, 0);
+}
+
+static struct xfrm6_tunnel vti_ipv6_handler __read_mostly = {
+ .handler = vti6_rcv_tunnel,
+ .cb_handler = vti6_rcv_cb,
+ .err_handler = vti6_err,
+ .priority = 0,
+};
+
+static struct xfrm6_tunnel vti_ip6ip_handler __read_mostly = {
+ .handler = vti6_rcv_tunnel,
+ .cb_handler = vti6_rcv_cb,
+ .err_handler = vti6_err,
+ .priority = 0,
+};
+#endif
+
/**
* vti6_tunnel_init - register protocol and reserve needed resources
*
@@ -1244,6 +1275,15 @@ static int __init vti6_tunnel_init(void)
err = xfrm6_protocol_register(&vti_ipcomp6_protocol, IPPROTO_COMP);
if (err < 0)
goto xfrm_proto_comp_failed;
+#if IS_REACHABLE(CONFIG_INET6_XFRM_TUNNEL)
+ msg = "ipv6 tunnel";
+ err = xfrm6_tunnel_register(&vti_ipv6_handler, AF_INET6);
+ if (err < 0)
+ goto vti_tunnel_ipv6_failed;
+ err = xfrm6_tunnel_register(&vti_ip6ip_handler, AF_INET);
+ if (err < 0)
+ goto vti_tunnel_ip6ip_failed;
+#endif
msg = "netlink interface";
err = rtnl_link_register(&vti6_link_ops);
@@ -1253,6 +1293,12 @@ static int __init vti6_tunnel_init(void)
return 0;
rtnl_link_failed:
+#if IS_REACHABLE(CONFIG_INET6_XFRM_TUNNEL)
+ err = xfrm6_tunnel_deregister(&vti_ip6ip_handler, AF_INET);
+vti_tunnel_ip6ip_failed:
+ err = xfrm6_tunnel_deregister(&vti_ipv6_handler, AF_INET6);
+vti_tunnel_ipv6_failed:
+#endif
xfrm6_protocol_deregister(&vti_ipcomp6_protocol, IPPROTO_COMP);
xfrm_proto_comp_failed:
xfrm6_protocol_deregister(&vti_ah6_protocol, IPPROTO_AH);
@@ -1271,6 +1317,10 @@ pernet_dev_failed:
static void __exit vti6_tunnel_cleanup(void)
{
rtnl_link_unregister(&vti6_link_ops);
+#if IS_REACHABLE(CONFIG_INET6_XFRM_TUNNEL)
+ xfrm6_tunnel_deregister(&vti_ip6ip_handler, AF_INET);
+ xfrm6_tunnel_deregister(&vti_ipv6_handler, AF_INET6);
+#endif
xfrm6_protocol_deregister(&vti_ipcomp6_protocol, IPPROTO_COMP);
xfrm6_protocol_deregister(&vti_ah6_protocol, IPPROTO_AH);
xfrm6_protocol_deregister(&vti_esp6_protocol, IPPROTO_ESP);
diff --git a/net/ipv6/ipcomp6.c b/net/ipv6/ipcomp6.c
index 99668bfebd85..daef890460b7 100644
--- a/net/ipv6/ipcomp6.c
+++ b/net/ipv6/ipcomp6.c
@@ -91,6 +91,7 @@ static struct xfrm_state *ipcomp6_tunnel_create(struct xfrm_state *x)
t->props.mode = x->props.mode;
memcpy(t->props.saddr.a6, x->props.saddr.a6, sizeof(struct in6_addr));
memcpy(&t->mark, &x->mark, sizeof(t->mark));
+ t->if_id = x->if_id;
if (xfrm_init_state(t))
goto error;
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index 20c740976334..43a894bf9a1b 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -458,6 +458,7 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, int optname,
fl6_free_socklist(sk);
__ipv6_sock_mc_close(sk);
+ __ipv6_sock_ac_close(sk);
/*
* Sock is moving from IPv6 to IPv4 (sk_prot), so
diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c
index 1d52957a413f..2e2119bfcf13 100644
--- a/net/ipv6/netfilter/ip6_tables.c
+++ b/net/ipv6/netfilter/ip6_tables.c
@@ -1143,8 +1143,8 @@ do_replace(struct net *net, sockptr_t arg, unsigned int len)
return -ENOMEM;
loc_cpu_entry = newinfo->entries;
- sockptr_advance(arg, sizeof(tmp));
- if (copy_from_sockptr(loc_cpu_entry, arg, tmp.size) != 0) {
+ if (copy_from_sockptr_offset(loc_cpu_entry, arg, sizeof(tmp),
+ tmp.size) != 0) {
ret = -EFAULT;
goto free_newinfo;
}
@@ -1517,8 +1517,8 @@ compat_do_replace(struct net *net, sockptr_t arg, unsigned int len)
return -ENOMEM;
loc_cpu_entry = newinfo->entries;
- sockptr_advance(arg, sizeof(tmp));
- if (copy_from_sockptr(loc_cpu_entry, arg, tmp.size) != 0) {
+ if (copy_from_sockptr_offset(loc_cpu_entry, arg, sizeof(tmp),
+ tmp.size) != 0) {
ret = -EFAULT;
goto free_newinfo;
}
diff --git a/net/ipv6/netfilter/ip6t_ah.c b/net/ipv6/netfilter/ip6t_ah.c
index 4e15a14435e4..70da2f2ce064 100644
--- a/net/ipv6/netfilter/ip6t_ah.c
+++ b/net/ipv6/netfilter/ip6t_ah.c
@@ -74,8 +74,7 @@ static bool ah_mt6(const struct sk_buff *skb, struct xt_action_param *par)
ahinfo->hdrres, ah->reserved,
!(ahinfo->hdrres && ah->reserved));
- return (ah != NULL) &&
- spi_match(ahinfo->spis[0], ahinfo->spis[1],
+ return spi_match(ahinfo->spis[0], ahinfo->spis[1],
ntohl(ah->spi),
!!(ahinfo->invflags & IP6T_AH_INV_SPI)) &&
(!ahinfo->hdrlen ||
diff --git a/net/ipv6/netfilter/ip6t_frag.c b/net/ipv6/netfilter/ip6t_frag.c
index fb91eeee4a1e..3aad6439386b 100644
--- a/net/ipv6/netfilter/ip6t_frag.c
+++ b/net/ipv6/netfilter/ip6t_frag.c
@@ -85,8 +85,7 @@ frag_mt6(const struct sk_buff *skb, struct xt_action_param *par)
!((fraginfo->flags & IP6T_FRAG_NMF) &&
(ntohs(fh->frag_off) & IP6_MF)));
- return (fh != NULL) &&
- id_match(fraginfo->ids[0], fraginfo->ids[1],
+ return id_match(fraginfo->ids[0], fraginfo->ids[1],
ntohl(fh->identification),
!!(fraginfo->invflags & IP6T_FRAG_INV_IDS)) &&
!((fraginfo->flags & IP6T_FRAG_RES) &&
diff --git a/net/ipv6/netfilter/ip6t_hbh.c b/net/ipv6/netfilter/ip6t_hbh.c
index 467b2a86031b..e7a3fb9355ee 100644
--- a/net/ipv6/netfilter/ip6t_hbh.c
+++ b/net/ipv6/netfilter/ip6t_hbh.c
@@ -86,8 +86,7 @@ hbh_mt6(const struct sk_buff *skb, struct xt_action_param *par)
((optinfo->hdrlen == hdrlen) ^
!!(optinfo->invflags & IP6T_OPTS_INV_LEN))));
- ret = (oh != NULL) &&
- (!(optinfo->flags & IP6T_OPTS_LEN) ||
+ ret = (!(optinfo->flags & IP6T_OPTS_LEN) ||
((optinfo->hdrlen == hdrlen) ^
!!(optinfo->invflags & IP6T_OPTS_INV_LEN)));
diff --git a/net/ipv6/netfilter/ip6t_rt.c b/net/ipv6/netfilter/ip6t_rt.c
index f633dc84ca3f..733c83d38b30 100644
--- a/net/ipv6/netfilter/ip6t_rt.c
+++ b/net/ipv6/netfilter/ip6t_rt.c
@@ -89,8 +89,7 @@ static bool rt_mt6(const struct sk_buff *skb, struct xt_action_param *par)
!((rtinfo->flags & IP6T_RT_RES) &&
(((const struct rt0_hdr *)rh)->reserved)));
- ret = (rh != NULL) &&
- (segsleft_match(rtinfo->segsleft[0], rtinfo->segsleft[1],
+ ret = (segsleft_match(rtinfo->segsleft[0], rtinfo->segsleft[1],
rh->segments_left,
!!(rtinfo->invflags & IP6T_RT_INV_SGS))) &&
(!(rtinfo->flags & IP6T_RT_LEN) ||
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 8bfc57b0802a..5e7e25e2523a 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -3686,14 +3686,14 @@ static struct fib6_info *ip6_route_info_create(struct fib6_config *cfg,
rt->fib6_src.plen = cfg->fc_src_len;
#endif
if (nh) {
- if (!nexthop_get(nh)) {
- NL_SET_ERR_MSG(extack, "Nexthop has been deleted");
- goto out;
- }
if (rt->fib6_src.plen) {
NL_SET_ERR_MSG(extack, "Nexthops can not be used with source routing");
goto out;
}
+ if (!nexthop_get(nh)) {
+ NL_SET_ERR_MSG(extack, "Nexthop has been deleted");
+ goto out;
+ }
rt->nh = nh;
fib6_nh = nexthop_fib6_nh(rt->nh);
} else {
diff --git a/net/ipv6/seg6_iptunnel.c b/net/ipv6/seg6_iptunnel.c
index e0e9f48ab14f..897fa59c47de 100644
--- a/net/ipv6/seg6_iptunnel.c
+++ b/net/ipv6/seg6_iptunnel.c
@@ -27,6 +27,23 @@
#include <net/seg6_hmac.h>
#endif
+static size_t seg6_lwt_headroom(struct seg6_iptunnel_encap *tuninfo)
+{
+ int head = 0;
+
+ switch (tuninfo->mode) {
+ case SEG6_IPTUN_MODE_INLINE:
+ break;
+ case SEG6_IPTUN_MODE_ENCAP:
+ head = sizeof(struct ipv6hdr);
+ break;
+ case SEG6_IPTUN_MODE_L2ENCAP:
+ return 0;
+ }
+
+ return ((tuninfo->srh->hdrlen + 1) << 3) + head;
+}
+
struct seg6_lwt {
struct dst_cache cache;
struct seg6_iptunnel_encap tuninfo[];
diff --git a/net/ipv6/syncookies.c b/net/ipv6/syncookies.c
index 13235a012388..e796a64be308 100644
--- a/net/ipv6/syncookies.c
+++ b/net/ipv6/syncookies.c
@@ -170,7 +170,7 @@ struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb)
goto out;
ret = NULL;
- req = inet_reqsk_alloc(&tcp6_request_sock_ops, sk, false);
+ req = cookie_tcp_reqsk_alloc(&tcp6_request_sock_ops, sk, skb);
if (!req)
goto out;
@@ -178,9 +178,6 @@ struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb)
treq = tcp_rsk(req);
treq->tfo_listener = false;
- if (IS_ENABLED(CONFIG_MPTCP))
- treq->is_mptcp = 0;
-
if (security_inet_conn_request(sk, skb, req))
goto out_free;
diff --git a/net/ipv6/tunnel6.c b/net/ipv6/tunnel6.c
index 06c02ebe6b9b..00e8d8b1c9a7 100644
--- a/net/ipv6/tunnel6.c
+++ b/net/ipv6/tunnel6.c
@@ -155,6 +155,33 @@ drop:
return 0;
}
+#if IS_ENABLED(CONFIG_INET6_XFRM_TUNNEL)
+static int tunnel6_rcv_cb(struct sk_buff *skb, u8 proto, int err)
+{
+ struct xfrm6_tunnel __rcu *head;
+ struct xfrm6_tunnel *handler;
+ int ret;
+
+ head = (proto == IPPROTO_IPV6) ? tunnel6_handlers : tunnel46_handlers;
+
+ for_each_tunnel_rcu(head, handler) {
+ if (handler->cb_handler) {
+ ret = handler->cb_handler(skb, err);
+ if (ret <= 0)
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+static const struct xfrm_input_afinfo tunnel6_input_afinfo = {
+ .family = AF_INET6,
+ .is_ipip = true,
+ .callback = tunnel6_rcv_cb,
+};
+#endif
+
static int tunnel46_rcv(struct sk_buff *skb)
{
struct xfrm6_tunnel *handler;
@@ -245,11 +272,25 @@ static int __init tunnel6_init(void)
inet6_del_protocol(&tunnel46_protocol, IPPROTO_IPIP);
return -EAGAIN;
}
+#if IS_ENABLED(CONFIG_INET6_XFRM_TUNNEL)
+ if (xfrm_input_register_afinfo(&tunnel6_input_afinfo)) {
+ pr_err("%s: can't add input afinfo\n", __func__);
+ inet6_del_protocol(&tunnel6_protocol, IPPROTO_IPV6);
+ inet6_del_protocol(&tunnel46_protocol, IPPROTO_IPIP);
+ if (xfrm6_tunnel_mpls_supported())
+ inet6_del_protocol(&tunnelmpls6_protocol, IPPROTO_MPLS);
+ return -EAGAIN;
+ }
+#endif
return 0;
}
static void __exit tunnel6_fini(void)
{
+#if IS_ENABLED(CONFIG_INET6_XFRM_TUNNEL)
+ if (xfrm_input_unregister_afinfo(&tunnel6_input_afinfo))
+ pr_err("%s: can't remove input afinfo\n", __func__);
+#endif
if (inet6_del_protocol(&tunnel46_protocol, IPPROTO_IPIP))
pr_err("%s: can't remove protocol\n", __func__);
if (inet6_del_protocol(&tunnel6_protocol, IPPROTO_IPV6))