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-rw-r--r--net/ipv6/Makefile2
-rw-r--r--net/ipv6/addrconf.c304
-rw-r--r--net/ipv6/addrconf_core.c1
-rw-r--r--net/ipv6/af_inet6.c12
-rw-r--r--net/ipv6/datagram.c27
-rw-r--r--net/ipv6/exthdrs_core.c2
-rw-r--r--net/ipv6/icmp.c23
-rw-r--r--net/ipv6/ip6_offload.c1
-rw-r--r--net/ipv6/ip6_output.c16
-rw-r--r--net/ipv6/ip6mr.c2
-rw-r--r--net/ipv6/mcast.c75
-rw-r--r--net/ipv6/mip6.c6
-rw-r--r--net/ipv6/ndisc.c11
-rw-r--r--net/ipv6/netfilter/ip6t_MASQUERADE.c6
-rw-r--r--net/ipv6/output_core.c3
-rw-r--r--net/ipv6/ping.c277
-rw-r--r--net/ipv6/raw.c48
-rw-r--r--net/ipv6/route.c24
-rw-r--r--net/ipv6/sit.c211
-rw-r--r--net/ipv6/sysctl_net_ipv6.c4
-rw-r--r--net/ipv6/tcp_ipv6.c2
-rw-r--r--net/ipv6/udp.c62
-rw-r--r--net/ipv6/udp_offload.c3
23 files changed, 835 insertions, 287 deletions
diff --git a/net/ipv6/Makefile b/net/ipv6/Makefile
index 9af088d2cdaa..470a9c008e9b 100644
--- a/net/ipv6/Makefile
+++ b/net/ipv6/Makefile
@@ -7,7 +7,7 @@ obj-$(CONFIG_IPV6) += ipv6.o
ipv6-objs := af_inet6.o anycast.o ip6_output.o ip6_input.o addrconf.o \
addrlabel.o \
route.o ip6_fib.o ipv6_sockglue.o ndisc.o udp.o udplite.o \
- raw.o icmp.o mcast.o reassembly.o tcp_ipv6.o \
+ raw.o icmp.o mcast.o reassembly.o tcp_ipv6.o ping.o \
exthdrs.o datagram.o ip6_flowlabel.o inet6_connection_sock.o
ipv6-offload := ip6_offload.o tcpv6_offload.o udp_offload.o exthdrs_offload.o
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 4ab4c38958c6..cfdcf7b2daf6 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -253,37 +253,32 @@ static inline bool addrconf_qdisc_ok(const struct net_device *dev)
return !qdisc_tx_is_noop(dev);
}
-static void addrconf_del_timer(struct inet6_ifaddr *ifp)
+static void addrconf_del_rs_timer(struct inet6_dev *idev)
{
- if (del_timer(&ifp->timer))
+ if (del_timer(&idev->rs_timer))
+ __in6_dev_put(idev);
+}
+
+static void addrconf_del_dad_timer(struct inet6_ifaddr *ifp)
+{
+ if (del_timer(&ifp->dad_timer))
__in6_ifa_put(ifp);
}
-enum addrconf_timer_t {
- AC_NONE,
- AC_DAD,
- AC_RS,
-};
+static void addrconf_mod_rs_timer(struct inet6_dev *idev,
+ unsigned long when)
+{
+ if (!timer_pending(&idev->rs_timer))
+ in6_dev_hold(idev);
+ mod_timer(&idev->rs_timer, jiffies + when);
+}
-static void addrconf_mod_timer(struct inet6_ifaddr *ifp,
- enum addrconf_timer_t what,
- unsigned long when)
+static void addrconf_mod_dad_timer(struct inet6_ifaddr *ifp,
+ unsigned long when)
{
- if (!del_timer(&ifp->timer))
+ if (!timer_pending(&ifp->dad_timer))
in6_ifa_hold(ifp);
-
- switch (what) {
- case AC_DAD:
- ifp->timer.function = addrconf_dad_timer;
- break;
- case AC_RS:
- ifp->timer.function = addrconf_rs_timer;
- break;
- default:
- break;
- }
- ifp->timer.expires = jiffies + when;
- add_timer(&ifp->timer);
+ mod_timer(&ifp->dad_timer, jiffies + when);
}
static int snmp6_alloc_dev(struct inet6_dev *idev)
@@ -326,6 +321,7 @@ void in6_dev_finish_destroy(struct inet6_dev *idev)
WARN_ON(!list_empty(&idev->addr_list));
WARN_ON(idev->mc_list != NULL);
+ WARN_ON(timer_pending(&idev->rs_timer));
#ifdef NET_REFCNT_DEBUG
pr_debug("%s: %s\n", __func__, dev ? dev->name : "NIL");
@@ -357,7 +353,8 @@ static struct inet6_dev *ipv6_add_dev(struct net_device *dev)
rwlock_init(&ndev->lock);
ndev->dev = dev;
INIT_LIST_HEAD(&ndev->addr_list);
-
+ setup_timer(&ndev->rs_timer, addrconf_rs_timer,
+ (unsigned long)ndev);
memcpy(&ndev->cnf, dev_net(dev)->ipv6.devconf_dflt, sizeof(ndev->cnf));
ndev->cnf.mtu6 = dev->mtu;
ndev->cnf.sysctl = NULL;
@@ -776,7 +773,7 @@ void inet6_ifa_finish_destroy(struct inet6_ifaddr *ifp)
in6_dev_put(ifp->idev);
- if (del_timer(&ifp->timer))
+ if (del_timer(&ifp->dad_timer))
pr_notice("Timer is still running, when freeing ifa=%p\n", ifp);
if (ifp->state != INET6_IFADDR_STATE_DEAD) {
@@ -869,9 +866,9 @@ ipv6_add_addr(struct inet6_dev *idev, const struct in6_addr *addr, int pfxlen,
spin_lock_init(&ifa->lock);
spin_lock_init(&ifa->state_lock);
- init_timer(&ifa->timer);
+ setup_timer(&ifa->dad_timer, addrconf_dad_timer,
+ (unsigned long)ifa);
INIT_HLIST_NODE(&ifa->addr_lst);
- ifa->timer.data = (unsigned long) ifa;
ifa->scope = scope;
ifa->prefix_len = pfxlen;
ifa->flags = flags | IFA_F_TENTATIVE;
@@ -994,7 +991,7 @@ static void ipv6_del_addr(struct inet6_ifaddr *ifp)
}
write_unlock_bh(&idev->lock);
- addrconf_del_timer(ifp);
+ addrconf_del_dad_timer(ifp);
ipv6_ifa_notify(RTM_DELADDR, ifp);
@@ -1126,8 +1123,7 @@ retry:
ift = !max_addresses ||
ipv6_count_addresses(idev) < max_addresses ?
- ipv6_add_addr(idev, &addr, tmp_plen,
- ipv6_addr_type(&addr)&IPV6_ADDR_SCOPE_MASK,
+ ipv6_add_addr(idev, &addr, tmp_plen, ipv6_addr_scope(&addr),
addr_flags) : NULL;
if (IS_ERR_OR_NULL(ift)) {
in6_ifa_put(ifp);
@@ -1448,6 +1444,23 @@ try_nextdev:
}
EXPORT_SYMBOL(ipv6_dev_get_saddr);
+int __ipv6_get_lladdr(struct inet6_dev *idev, struct in6_addr *addr,
+ unsigned char banned_flags)
+{
+ struct inet6_ifaddr *ifp;
+ int err = -EADDRNOTAVAIL;
+
+ list_for_each_entry(ifp, &idev->addr_list, if_list) {
+ if (ifp->scope == IFA_LINK &&
+ !(ifp->flags & banned_flags)) {
+ *addr = ifp->addr;
+ err = 0;
+ break;
+ }
+ }
+ return err;
+}
+
int ipv6_get_lladdr(struct net_device *dev, struct in6_addr *addr,
unsigned char banned_flags)
{
@@ -1457,17 +1470,8 @@ int ipv6_get_lladdr(struct net_device *dev, struct in6_addr *addr,
rcu_read_lock();
idev = __in6_dev_get(dev);
if (idev) {
- struct inet6_ifaddr *ifp;
-
read_lock_bh(&idev->lock);
- list_for_each_entry(ifp, &idev->addr_list, if_list) {
- if (ifp->scope == IFA_LINK &&
- !(ifp->flags & banned_flags)) {
- *addr = ifp->addr;
- err = 0;
- break;
- }
- }
+ err = __ipv6_get_lladdr(idev, addr, banned_flags);
read_unlock_bh(&idev->lock);
}
rcu_read_unlock();
@@ -1581,7 +1585,7 @@ static void addrconf_dad_stop(struct inet6_ifaddr *ifp, int dad_failed)
{
if (ifp->flags&IFA_F_PERMANENT) {
spin_lock_bh(&ifp->lock);
- addrconf_del_timer(ifp);
+ addrconf_del_dad_timer(ifp);
ifp->flags |= IFA_F_TENTATIVE;
if (dad_failed)
ifp->flags |= IFA_F_DADFAILED;
@@ -2402,6 +2406,7 @@ err_exit:
* Manual configuration of address on an interface
*/
static int inet6_addr_add(struct net *net, int ifindex, const struct in6_addr *pfx,
+ const struct in6_addr *peer_pfx,
unsigned int plen, __u8 ifa_flags, __u32 prefered_lft,
__u32 valid_lft)
{
@@ -2457,6 +2462,8 @@ static int inet6_addr_add(struct net *net, int ifindex, const struct in6_addr *p
ifp->valid_lft = valid_lft;
ifp->prefered_lft = prefered_lft;
ifp->tstamp = jiffies;
+ if (peer_pfx)
+ ifp->peer_addr = *peer_pfx;
spin_unlock_bh(&ifp->lock);
addrconf_prefix_route(&ifp->addr, ifp->prefix_len, dev,
@@ -2500,12 +2507,6 @@ static int inet6_addr_del(struct net *net, int ifindex, const struct in6_addr *p
read_unlock_bh(&idev->lock);
ipv6_del_addr(ifp);
-
- /* If the last address is deleted administratively,
- disable IPv6 on this interface.
- */
- if (list_empty(&idev->addr_list))
- addrconf_ifdown(idev->dev, 1);
return 0;
}
}
@@ -2526,7 +2527,7 @@ int addrconf_add_ifaddr(struct net *net, void __user *arg)
return -EFAULT;
rtnl_lock();
- err = inet6_addr_add(net, ireq.ifr6_ifindex, &ireq.ifr6_addr,
+ err = inet6_addr_add(net, ireq.ifr6_ifindex, &ireq.ifr6_addr, NULL,
ireq.ifr6_prefixlen, IFA_F_PERMANENT,
INFINITY_LIFE_TIME, INFINITY_LIFE_TIME);
rtnl_unlock();
@@ -2761,8 +2762,6 @@ static void addrconf_gre_config(struct net_device *dev)
struct inet6_dev *idev;
struct in6_addr addr;
- pr_info("%s(%s)\n", __func__, dev->name);
-
ASSERT_RTNL();
if ((idev = ipv6_find_idev(dev)) == NULL) {
@@ -2829,9 +2828,9 @@ static void addrconf_ip6_tnl_config(struct net_device *dev)
}
static int addrconf_notify(struct notifier_block *this, unsigned long event,
- void *data)
+ void *ptr)
{
- struct net_device *dev = (struct net_device *) data;
+ struct net_device *dev = netdev_notifier_info_to_dev(ptr);
struct inet6_dev *idev = __in6_dev_get(dev);
int run_pending = 0;
int err;
@@ -3039,7 +3038,7 @@ static int addrconf_ifdown(struct net_device *dev, int how)
hlist_for_each_entry_rcu(ifa, h, addr_lst) {
if (ifa->idev == idev) {
hlist_del_init_rcu(&ifa->addr_lst);
- addrconf_del_timer(ifa);
+ addrconf_del_dad_timer(ifa);
goto restart;
}
}
@@ -3048,6 +3047,8 @@ static int addrconf_ifdown(struct net_device *dev, int how)
write_lock_bh(&idev->lock);
+ addrconf_del_rs_timer(idev);
+
/* Step 2: clear flags for stateless addrconf */
if (!how)
idev->if_flags &= ~(IF_RS_SENT|IF_RA_RCVD|IF_READY);
@@ -3077,7 +3078,7 @@ static int addrconf_ifdown(struct net_device *dev, int how)
while (!list_empty(&idev->addr_list)) {
ifa = list_first_entry(&idev->addr_list,
struct inet6_ifaddr, if_list);
- addrconf_del_timer(ifa);
+ addrconf_del_dad_timer(ifa);
list_del(&ifa->if_list);
@@ -3119,10 +3120,10 @@ static int addrconf_ifdown(struct net_device *dev, int how)
static void addrconf_rs_timer(unsigned long data)
{
- struct inet6_ifaddr *ifp = (struct inet6_ifaddr *) data;
- struct inet6_dev *idev = ifp->idev;
+ struct inet6_dev *idev = (struct inet6_dev *)data;
+ struct in6_addr lladdr;
- read_lock(&idev->lock);
+ write_lock(&idev->lock);
if (idev->dead || !(idev->if_flags & IF_READY))
goto out;
@@ -3133,18 +3134,19 @@ static void addrconf_rs_timer(unsigned long data)
if (idev->if_flags & IF_RA_RCVD)
goto out;
- spin_lock(&ifp->lock);
- if (ifp->probes++ < idev->cnf.rtr_solicits) {
- /* The wait after the last probe can be shorter */
- addrconf_mod_timer(ifp, AC_RS,
- (ifp->probes == idev->cnf.rtr_solicits) ?
- idev->cnf.rtr_solicit_delay :
- idev->cnf.rtr_solicit_interval);
- spin_unlock(&ifp->lock);
+ if (idev->rs_probes++ < idev->cnf.rtr_solicits) {
+ if (!__ipv6_get_lladdr(idev, &lladdr, IFA_F_TENTATIVE))
+ ndisc_send_rs(idev->dev, &lladdr,
+ &in6addr_linklocal_allrouters);
+ else
+ goto out;
- ndisc_send_rs(idev->dev, &ifp->addr, &in6addr_linklocal_allrouters);
+ /* The wait after the last probe can be shorter */
+ addrconf_mod_rs_timer(idev, (idev->rs_probes ==
+ idev->cnf.rtr_solicits) ?
+ idev->cnf.rtr_solicit_delay :
+ idev->cnf.rtr_solicit_interval);
} else {
- spin_unlock(&ifp->lock);
/*
* Note: we do not support deprecated "all on-link"
* assumption any longer.
@@ -3153,8 +3155,8 @@ static void addrconf_rs_timer(unsigned long data)
}
out:
- read_unlock(&idev->lock);
- in6_ifa_put(ifp);
+ write_unlock(&idev->lock);
+ in6_dev_put(idev);
}
/*
@@ -3170,8 +3172,8 @@ static void addrconf_dad_kick(struct inet6_ifaddr *ifp)
else
rand_num = net_random() % (idev->cnf.rtr_solicit_delay ? : 1);
- ifp->probes = idev->cnf.dad_transmits;
- addrconf_mod_timer(ifp, AC_DAD, rand_num);
+ ifp->dad_probes = idev->cnf.dad_transmits;
+ addrconf_mod_dad_timer(ifp, rand_num);
}
static void addrconf_dad_start(struct inet6_ifaddr *ifp)
@@ -3232,40 +3234,40 @@ static void addrconf_dad_timer(unsigned long data)
struct inet6_dev *idev = ifp->idev;
struct in6_addr mcaddr;
- if (!ifp->probes && addrconf_dad_end(ifp))
+ if (!ifp->dad_probes && addrconf_dad_end(ifp))
goto out;
- read_lock(&idev->lock);
+ write_lock(&idev->lock);
if (idev->dead || !(idev->if_flags & IF_READY)) {
- read_unlock(&idev->lock);
+ write_unlock(&idev->lock);
goto out;
}
spin_lock(&ifp->lock);
if (ifp->state == INET6_IFADDR_STATE_DEAD) {
spin_unlock(&ifp->lock);
- read_unlock(&idev->lock);
+ write_unlock(&idev->lock);
goto out;
}
- if (ifp->probes == 0) {
+ if (ifp->dad_probes == 0) {
/*
* DAD was successful
*/
ifp->flags &= ~(IFA_F_TENTATIVE|IFA_F_OPTIMISTIC|IFA_F_DADFAILED);
spin_unlock(&ifp->lock);
- read_unlock(&idev->lock);
+ write_unlock(&idev->lock);
addrconf_dad_completed(ifp);
goto out;
}
- ifp->probes--;
- addrconf_mod_timer(ifp, AC_DAD, ifp->idev->nd_parms->retrans_time);
+ ifp->dad_probes--;
+ addrconf_mod_dad_timer(ifp, ifp->idev->nd_parms->retrans_time);
spin_unlock(&ifp->lock);
- read_unlock(&idev->lock);
+ write_unlock(&idev->lock);
/* send a neighbour solicitation for our addr */
addrconf_addr_solict_mult(&ifp->addr, &mcaddr);
@@ -3277,6 +3279,10 @@ out:
static void addrconf_dad_completed(struct inet6_ifaddr *ifp)
{
struct net_device *dev = ifp->idev->dev;
+ struct in6_addr lladdr;
+ bool send_rs, send_mld;
+
+ addrconf_del_dad_timer(ifp);
/*
* Configure the address for reception. Now it is valid.
@@ -3288,22 +3294,41 @@ static void addrconf_dad_completed(struct inet6_ifaddr *ifp)
router advertisements, start sending router solicitations.
*/
- if (ipv6_accept_ra(ifp->idev) &&
- ifp->idev->cnf.rtr_solicits > 0 &&
- (dev->flags&IFF_LOOPBACK) == 0 &&
- (ipv6_addr_type(&ifp->addr) & IPV6_ADDR_LINKLOCAL)) {
+ read_lock_bh(&ifp->idev->lock);
+ spin_lock(&ifp->lock);
+ send_mld = ipv6_addr_type(&ifp->addr) & IPV6_ADDR_LINKLOCAL &&
+ ifp->idev->valid_ll_addr_cnt == 1;
+ send_rs = send_mld &&
+ ipv6_accept_ra(ifp->idev) &&
+ ifp->idev->cnf.rtr_solicits > 0 &&
+ (dev->flags&IFF_LOOPBACK) == 0;
+ spin_unlock(&ifp->lock);
+ read_unlock_bh(&ifp->idev->lock);
+
+ /* While dad is in progress mld report's source address is in6_addrany.
+ * Resend with proper ll now.
+ */
+ if (send_mld)
+ ipv6_mc_dad_complete(ifp->idev);
+
+ if (send_rs) {
/*
* If a host as already performed a random delay
* [...] as part of DAD [...] there is no need
* to delay again before sending the first RS
*/
- ndisc_send_rs(ifp->idev->dev, &ifp->addr, &in6addr_linklocal_allrouters);
+ if (ipv6_get_lladdr(dev, &lladdr, IFA_F_TENTATIVE))
+ return;
+ ndisc_send_rs(dev, &lladdr, &in6addr_linklocal_allrouters);
- spin_lock_bh(&ifp->lock);
- ifp->probes = 1;
+ write_lock_bh(&ifp->idev->lock);
+ spin_lock(&ifp->lock);
+ ifp->idev->rs_probes = 1;
ifp->idev->if_flags |= IF_RS_SENT;
- addrconf_mod_timer(ifp, AC_RS, ifp->idev->cnf.rtr_solicit_interval);
- spin_unlock_bh(&ifp->lock);
+ addrconf_mod_rs_timer(ifp->idev,
+ ifp->idev->cnf.rtr_solicit_interval);
+ spin_unlock(&ifp->lock);
+ write_unlock_bh(&ifp->idev->lock);
}
}
@@ -3615,18 +3640,20 @@ restart:
rcu_read_unlock_bh();
}
-static struct in6_addr *extract_addr(struct nlattr *addr, struct nlattr *local)
+static struct in6_addr *extract_addr(struct nlattr *addr, struct nlattr *local,
+ struct in6_addr **peer_pfx)
{
struct in6_addr *pfx = NULL;
+ *peer_pfx = NULL;
+
if (addr)
pfx = nla_data(addr);
if (local) {
if (pfx && nla_memcmp(local, pfx, sizeof(*pfx)))
- pfx = NULL;
- else
- pfx = nla_data(local);
+ *peer_pfx = pfx;
+ pfx = nla_data(local);
}
return pfx;
@@ -3644,7 +3671,7 @@ inet6_rtm_deladdr(struct sk_buff *skb, struct nlmsghdr *nlh)
struct net *net = sock_net(skb->sk);
struct ifaddrmsg *ifm;
struct nlattr *tb[IFA_MAX+1];
- struct in6_addr *pfx;
+ struct in6_addr *pfx, *peer_pfx;
int err;
err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFA_MAX, ifa_ipv6_policy);
@@ -3652,7 +3679,7 @@ inet6_rtm_deladdr(struct sk_buff *skb, struct nlmsghdr *nlh)
return err;
ifm = nlmsg_data(nlh);
- pfx = extract_addr(tb[IFA_ADDRESS], tb[IFA_LOCAL]);
+ pfx = extract_addr(tb[IFA_ADDRESS], tb[IFA_LOCAL], &peer_pfx);
if (pfx == NULL)
return -EINVAL;
@@ -3710,7 +3737,7 @@ inet6_rtm_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh)
struct net *net = sock_net(skb->sk);
struct ifaddrmsg *ifm;
struct nlattr *tb[IFA_MAX+1];
- struct in6_addr *pfx;
+ struct in6_addr *pfx, *peer_pfx;
struct inet6_ifaddr *ifa;
struct net_device *dev;
u32 valid_lft = INFINITY_LIFE_TIME, preferred_lft = INFINITY_LIFE_TIME;
@@ -3722,7 +3749,7 @@ inet6_rtm_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh)
return err;
ifm = nlmsg_data(nlh);
- pfx = extract_addr(tb[IFA_ADDRESS], tb[IFA_LOCAL]);
+ pfx = extract_addr(tb[IFA_ADDRESS], tb[IFA_LOCAL], &peer_pfx);
if (pfx == NULL)
return -EINVAL;
@@ -3750,7 +3777,7 @@ inet6_rtm_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh)
* It would be best to check for !NLM_F_CREATE here but
* userspace alreay relies on not having to provide this.
*/
- return inet6_addr_add(net, ifm->ifa_index, pfx,
+ return inet6_addr_add(net, ifm->ifa_index, pfx, peer_pfx,
ifm->ifa_prefixlen, ifa_flags,
preferred_lft, valid_lft);
}
@@ -3807,6 +3834,7 @@ static inline int rt_scope(int ifa_scope)
static inline int inet6_ifaddr_msgsize(void)
{
return NLMSG_ALIGN(sizeof(struct ifaddrmsg))
+ + nla_total_size(16) /* IFA_LOCAL */
+ nla_total_size(16) /* IFA_ADDRESS */
+ nla_total_size(sizeof(struct ifa_cacheinfo));
}
@@ -3845,13 +3873,22 @@ static int inet6_fill_ifaddr(struct sk_buff *skb, struct inet6_ifaddr *ifa,
valid = INFINITY_LIFE_TIME;
}
- if (nla_put(skb, IFA_ADDRESS, 16, &ifa->addr) < 0 ||
- put_cacheinfo(skb, ifa->cstamp, ifa->tstamp, preferred, valid) < 0) {
- nlmsg_cancel(skb, nlh);
- return -EMSGSIZE;
- }
+ if (!ipv6_addr_any(&ifa->peer_addr)) {
+ if (nla_put(skb, IFA_LOCAL, 16, &ifa->addr) < 0 ||
+ nla_put(skb, IFA_ADDRESS, 16, &ifa->peer_addr) < 0)
+ goto error;
+ } else
+ if (nla_put(skb, IFA_ADDRESS, 16, &ifa->addr) < 0)
+ goto error;
+
+ if (put_cacheinfo(skb, ifa->cstamp, ifa->tstamp, preferred, valid) < 0)
+ goto error;
return nlmsg_end(skb, nlh);
+
+error:
+ nlmsg_cancel(skb, nlh);
+ return -EMSGSIZE;
}
static int inet6_fill_ifmcaddr(struct sk_buff *skb, struct ifmcaddr6 *ifmca,
@@ -4051,7 +4088,7 @@ static int inet6_rtm_getaddr(struct sk_buff *in_skb, struct nlmsghdr *nlh)
struct net *net = sock_net(in_skb->sk);
struct ifaddrmsg *ifm;
struct nlattr *tb[IFA_MAX+1];
- struct in6_addr *addr = NULL;
+ struct in6_addr *addr = NULL, *peer;
struct net_device *dev = NULL;
struct inet6_ifaddr *ifa;
struct sk_buff *skb;
@@ -4061,7 +4098,7 @@ static int inet6_rtm_getaddr(struct sk_buff *in_skb, struct nlmsghdr *nlh)
if (err < 0)
goto errout;
- addr = extract_addr(tb[IFA_ADDRESS], tb[IFA_LOCAL]);
+ addr = extract_addr(tb[IFA_ADDRESS], tb[IFA_LOCAL], &peer);
if (addr == NULL) {
err = -EINVAL;
goto errout;
@@ -4339,8 +4376,11 @@ static int inet6_set_iftoken(struct inet6_dev *idev, struct in6_addr *token)
write_lock_bh(&idev->lock);
- if (update_rs)
+ if (update_rs) {
idev->if_flags |= IF_RS_SENT;
+ idev->rs_probes = 1;
+ addrconf_mod_rs_timer(idev, idev->cnf.rtr_solicit_interval);
+ }
/* Well, that's kinda nasty ... */
list_for_each_entry(ifp, &idev->addr_list, if_list) {
@@ -4353,6 +4393,7 @@ static int inet6_set_iftoken(struct inet6_dev *idev, struct in6_addr *token)
}
write_unlock_bh(&idev->lock);
+ addrconf_verify(0);
return 0;
}
@@ -4550,6 +4591,19 @@ errout:
rtnl_set_sk_err(net, RTNLGRP_IPV6_PREFIX, err);
}
+static void update_valid_ll_addr_cnt(struct inet6_ifaddr *ifp, int count)
+{
+ write_lock_bh(&ifp->idev->lock);
+ spin_lock(&ifp->lock);
+ if (((ifp->flags & (IFA_F_PERMANENT|IFA_F_TENTATIVE|IFA_F_OPTIMISTIC|
+ IFA_F_DADFAILED)) == IFA_F_PERMANENT) &&
+ (ipv6_addr_type(&ifp->addr) & IPV6_ADDR_LINKLOCAL))
+ ifp->idev->valid_ll_addr_cnt += count;
+ WARN_ON(ifp->idev->valid_ll_addr_cnt < 0);
+ spin_unlock(&ifp->lock);
+ write_unlock_bh(&ifp->idev->lock);
+}
+
static void __ipv6_ifa_notify(int event, struct inet6_ifaddr *ifp)
{
struct net *net = dev_net(ifp->idev->dev);
@@ -4558,6 +4612,8 @@ static void __ipv6_ifa_notify(int event, struct inet6_ifaddr *ifp)
switch (event) {
case RTM_NEWADDR:
+ update_valid_ll_addr_cnt(ifp, 1);
+
/*
* If the address was optimistic
* we inserted the route at the start of
@@ -4568,11 +4624,28 @@ static void __ipv6_ifa_notify(int event, struct inet6_ifaddr *ifp)
ip6_ins_rt(ifp->rt);
if (ifp->idev->cnf.forwarding)
addrconf_join_anycast(ifp);
+ if (!ipv6_addr_any(&ifp->peer_addr))
+ addrconf_prefix_route(&ifp->peer_addr, 128,
+ ifp->idev->dev, 0, 0);
break;
case RTM_DELADDR:
+ update_valid_ll_addr_cnt(ifp, -1);
+
if (ifp->idev->cnf.forwarding)
addrconf_leave_anycast(ifp);
addrconf_leave_solict(ifp->idev, &ifp->addr);
+ if (!ipv6_addr_any(&ifp->peer_addr)) {
+ struct rt6_info *rt;
+ struct net_device *dev = ifp->idev->dev;
+
+ rt = rt6_lookup(dev_net(dev), &ifp->peer_addr, NULL,
+ dev->ifindex, 1);
+ if (rt) {
+ dst_hold(&rt->dst);
+ if (ip6_del_rt(rt))
+ dst_free(&rt->dst);
+ }
+ }
dst_hold(&ifp->rt->dst);
if (ip6_del_rt(ifp->rt))
@@ -4593,13 +4666,13 @@ static void ipv6_ifa_notify(int event, struct inet6_ifaddr *ifp)
#ifdef CONFIG_SYSCTL
static
-int addrconf_sysctl_forward(ctl_table *ctl, int write,
+int addrconf_sysctl_forward(struct ctl_table *ctl, int write,
void __user *buffer, size_t *lenp, loff_t *ppos)
{
int *valp = ctl->data;
int val = *valp;
loff_t pos = *ppos;
- ctl_table lctl;
+ struct ctl_table lctl;
int ret;
/*
@@ -4620,13 +4693,16 @@ int addrconf_sysctl_forward(ctl_table *ctl, int write,
static void dev_disable_change(struct inet6_dev *idev)
{
+ struct netdev_notifier_info info;
+
if (!idev || !idev->dev)
return;
+ netdev_notifier_info_init(&info, idev->dev);
if (idev->cnf.disable_ipv6)
- addrconf_notify(NULL, NETDEV_DOWN, idev->dev);
+ addrconf_notify(NULL, NETDEV_DOWN, &info);
else
- addrconf_notify(NULL, NETDEV_UP, idev->dev);
+ addrconf_notify(NULL, NETDEV_UP, &info);
}
static void addrconf_disable_change(struct net *net, __s32 newf)
@@ -4675,13 +4751,13 @@ static int addrconf_disable_ipv6(struct ctl_table *table, int *p, int newf)
}
static
-int addrconf_sysctl_disable(ctl_table *ctl, int write,
+int addrconf_sysctl_disable(struct ctl_table *ctl, int write,
void __user *buffer, size_t *lenp, loff_t *ppos)
{
int *valp = ctl->data;
int val = *valp;
loff_t pos = *ppos;
- ctl_table lctl;
+ struct ctl_table lctl;
int ret;
/*
@@ -4703,7 +4779,7 @@ int addrconf_sysctl_disable(ctl_table *ctl, int write,
static struct addrconf_sysctl_table
{
struct ctl_table_header *sysctl_header;
- ctl_table addrconf_vars[DEVCONF_MAX+1];
+ struct ctl_table addrconf_vars[DEVCONF_MAX+1];
} addrconf_sysctl __read_mostly = {
.sysctl_header = NULL,
.addrconf_vars = {
diff --git a/net/ipv6/addrconf_core.c b/net/ipv6/addrconf_core.c
index 72104562c864..d2f87427244b 100644
--- a/net/ipv6/addrconf_core.c
+++ b/net/ipv6/addrconf_core.c
@@ -5,6 +5,7 @@
#include <linux/export.h>
#include <net/ipv6.h>
+#include <net/addrconf.h>
#define IPV6_ADDR_SCOPE_TYPE(scope) ((scope) << 16)
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index ab5c7ad482cd..a5ac969aeefe 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -49,6 +49,7 @@
#include <net/udp.h>
#include <net/udplite.h>
#include <net/tcp.h>
+#include <net/ping.h>
#include <net/protocol.h>
#include <net/inet_common.h>
#include <net/route.h>
@@ -840,6 +841,9 @@ static int __init inet6_init(void)
if (err)
goto out_unregister_udplite_proto;
+ err = proto_register(&pingv6_prot, 1);
+ if (err)
+ goto out_unregister_ping_proto;
/* We MUST register RAW sockets before we create the ICMP6,
* IGMP6, or NDISC control sockets.
@@ -930,6 +934,10 @@ static int __init inet6_init(void)
if (err)
goto ipv6_packet_fail;
+ err = pingv6_init();
+ if (err)
+ goto pingv6_fail;
+
#ifdef CONFIG_SYSCTL
err = ipv6_sysctl_register();
if (err)
@@ -942,6 +950,8 @@ out:
sysctl_fail:
ipv6_packet_cleanup();
#endif
+pingv6_fail:
+ pingv6_exit();
ipv6_packet_fail:
tcpv6_exit();
tcpv6_fail:
@@ -985,6 +995,8 @@ register_pernet_fail:
rtnl_unregister_all(PF_INET6);
out_sock_register_fail:
rawv6_exit();
+out_unregister_ping_proto:
+ proto_unregister(&pingv6_prot);
out_unregister_raw_proto:
proto_unregister(&rawv6_prot);
out_unregister_udplite_proto:
diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c
index 4b56cbbc7890..197e6f4a2b74 100644
--- a/net/ipv6/datagram.c
+++ b/net/ipv6/datagram.c
@@ -879,3 +879,30 @@ exit_f:
return err;
}
EXPORT_SYMBOL_GPL(ip6_datagram_send_ctl);
+
+void ip6_dgram_sock_seq_show(struct seq_file *seq, struct sock *sp,
+ __u16 srcp, __u16 destp, int bucket)
+{
+ struct ipv6_pinfo *np = inet6_sk(sp);
+ const struct in6_addr *dest, *src;
+
+ dest = &np->daddr;
+ src = &np->rcv_saddr;
+ seq_printf(seq,
+ "%5d: %08X%08X%08X%08X:%04X %08X%08X%08X%08X:%04X "
+ "%02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %pK %d\n",
+ bucket,
+ src->s6_addr32[0], src->s6_addr32[1],
+ src->s6_addr32[2], src->s6_addr32[3], srcp,
+ dest->s6_addr32[0], dest->s6_addr32[1],
+ dest->s6_addr32[2], dest->s6_addr32[3], destp,
+ sp->sk_state,
+ sk_wmem_alloc_get(sp),
+ sk_rmem_alloc_get(sp),
+ 0, 0L, 0,
+ from_kuid_munged(seq_user_ns(seq), sock_i_uid(sp)),
+ 0,
+ sock_i_ino(sp),
+ atomic_read(&sp->sk_refcnt), sp,
+ atomic_read(&sp->sk_drops));
+}
diff --git a/net/ipv6/exthdrs_core.c b/net/ipv6/exthdrs_core.c
index c5e83fae4df4..140748debc4a 100644
--- a/net/ipv6/exthdrs_core.c
+++ b/net/ipv6/exthdrs_core.c
@@ -115,7 +115,7 @@ EXPORT_SYMBOL(ipv6_skip_exthdr);
int ipv6_find_tlv(struct sk_buff *skb, int offset, int type)
{
const unsigned char *nh = skb_network_header(skb);
- int packet_len = skb->tail - skb->network_header;
+ int packet_len = skb_tail_pointer(skb) - skb_network_header(skb);
struct ipv6_opt_hdr *hdr;
int len;
diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index b4ff0a42b8c7..7cfc8d284870 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -57,6 +57,7 @@
#include <net/ipv6.h>
#include <net/ip6_checksum.h>
+#include <net/ping.h>
#include <net/protocol.h>
#include <net/raw.h>
#include <net/rawv6.h>
@@ -84,12 +85,18 @@ static inline struct sock *icmpv6_sk(struct net *net)
static void icmpv6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
u8 type, u8 code, int offset, __be32 info)
{
+ /* icmpv6_notify checks 8 bytes can be pulled, icmp6hdr is 8 bytes */
+ struct icmp6hdr *icmp6 = (struct icmp6hdr *) (skb->data + offset);
struct net *net = dev_net(skb->dev);
if (type == ICMPV6_PKT_TOOBIG)
ip6_update_pmtu(skb, net, info, 0, 0);
else if (type == NDISC_REDIRECT)
ip6_redirect(skb, net, 0, 0);
+
+ if (!(type & ICMPV6_INFOMSG_MASK))
+ if (icmp6->icmp6_type == ICMPV6_ECHO_REQUEST)
+ ping_err(skb, offset, info);
}
static int icmpv6_rcv(struct sk_buff *skb);
@@ -224,7 +231,8 @@ static bool opt_unrec(struct sk_buff *skb, __u32 offset)
return (*op & 0xC0) == 0x80;
}
-static int icmpv6_push_pending_frames(struct sock *sk, struct flowi6 *fl6, struct icmp6hdr *thdr, int len)
+int icmpv6_push_pending_frames(struct sock *sk, struct flowi6 *fl6,
+ struct icmp6hdr *thdr, int len)
{
struct sk_buff *skb;
struct icmp6hdr *icmp6h;
@@ -307,8 +315,8 @@ static void mip6_addr_swap(struct sk_buff *skb)
static inline void mip6_addr_swap(struct sk_buff *skb) {}
#endif
-static struct dst_entry *icmpv6_route_lookup(struct net *net, struct sk_buff *skb,
- struct sock *sk, struct flowi6 *fl6)
+struct dst_entry *icmpv6_route_lookup(struct net *net, struct sk_buff *skb,
+ struct sock *sk, struct flowi6 *fl6)
{
struct dst_entry *dst, *dst2;
struct flowi6 fl2;
@@ -391,7 +399,7 @@ static void icmp6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info)
int err = 0;
if ((u8 *)hdr < skb->head ||
- (skb->network_header + sizeof(*hdr)) > skb->tail)
+ (skb_network_header(skb) + sizeof(*hdr)) > skb_tail_pointer(skb))
return;
/*
@@ -697,7 +705,8 @@ static int icmpv6_rcv(struct sk_buff *skb)
skb->csum = ~csum_unfold(csum_ipv6_magic(saddr, daddr, skb->len,
IPPROTO_ICMPV6, 0));
if (__skb_checksum_complete(skb)) {
- LIMIT_NETDEBUG(KERN_DEBUG "ICMPv6 checksum failed [%pI6 > %pI6]\n",
+ LIMIT_NETDEBUG(KERN_DEBUG
+ "ICMPv6 checksum failed [%pI6c > %pI6c]\n",
saddr, daddr);
goto csum_error;
}
@@ -718,7 +727,7 @@ static int icmpv6_rcv(struct sk_buff *skb)
break;
case ICMPV6_ECHO_REPLY:
- /* we couldn't care less */
+ ping_rcv(skb);
break;
case ICMPV6_PKT_TOOBIG:
@@ -967,7 +976,7 @@ int icmpv6_err_convert(u8 type, u8 code, int *err)
EXPORT_SYMBOL(icmpv6_err_convert);
#ifdef CONFIG_SYSCTL
-ctl_table ipv6_icmp_table_template[] = {
+struct ctl_table ipv6_icmp_table_template[] = {
{
.procname = "ratelimit",
.data = &init_net.ipv6.sysctl.icmpv6_time,
diff --git a/net/ipv6/ip6_offload.c b/net/ipv6/ip6_offload.c
index 71b766ee821d..a263b990ee11 100644
--- a/net/ipv6/ip6_offload.c
+++ b/net/ipv6/ip6_offload.c
@@ -98,6 +98,7 @@ static struct sk_buff *ipv6_gso_segment(struct sk_buff *skb,
SKB_GSO_TCP_ECN |
SKB_GSO_GRE |
SKB_GSO_UDP_TUNNEL |
+ SKB_GSO_MPLS |
SKB_GSO_TCPV6 |
0)))
goto out;
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index d5d20cde8d92..6e3ddf806ec2 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -1098,11 +1098,12 @@ static inline struct ipv6_rt_hdr *ip6_rthdr_dup(struct ipv6_rt_hdr *src,
return src ? kmemdup(src, (src->hdrlen + 1) * 8, gfp) : NULL;
}
-static void ip6_append_data_mtu(int *mtu,
+static void ip6_append_data_mtu(unsigned int *mtu,
int *maxfraglen,
unsigned int fragheaderlen,
struct sk_buff *skb,
- struct rt6_info *rt)
+ struct rt6_info *rt,
+ bool pmtuprobe)
{
if (!(rt->dst.flags & DST_XFRM_TUNNEL)) {
if (skb == NULL) {
@@ -1114,7 +1115,9 @@ static void ip6_append_data_mtu(int *mtu,
* this fragment is not first, the headers
* space is regarded as data space.
*/
- *mtu = dst_mtu(rt->dst.path);
+ *mtu = min(*mtu, pmtuprobe ?
+ rt->dst.dev->mtu :
+ dst_mtu(rt->dst.path));
}
*maxfraglen = ((*mtu - fragheaderlen) & ~7)
+ fragheaderlen - sizeof(struct frag_hdr);
@@ -1131,11 +1134,10 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to,
struct ipv6_pinfo *np = inet6_sk(sk);
struct inet_cork *cork;
struct sk_buff *skb, *skb_prev = NULL;
- unsigned int maxfraglen, fragheaderlen;
+ unsigned int maxfraglen, fragheaderlen, mtu;
int exthdrlen;
int dst_exthdrlen;
int hh_len;
- int mtu;
int copy;
int err;
int offset = 0;
@@ -1292,7 +1294,9 @@ alloc_new_skb:
/* update mtu and maxfraglen if necessary */
if (skb == NULL || skb_prev == NULL)
ip6_append_data_mtu(&mtu, &maxfraglen,
- fragheaderlen, skb, rt);
+ fragheaderlen, skb, rt,
+ np->pmtudisc ==
+ IPV6_PMTUDISC_PROBE);
skb_prev = skb;
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 241fb8ad9fcf..583e8d435f9a 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -1319,7 +1319,7 @@ static int ip6mr_mfc_delete(struct mr6_table *mrt, struct mf6cctl *mfc,
static int ip6mr_device_event(struct notifier_block *this,
unsigned long event, void *ptr)
{
- struct net_device *dev = ptr;
+ struct net_device *dev = netdev_notifier_info_to_dev(ptr);
struct net *net = dev_net(dev);
struct mr6_table *mrt;
struct mif_device *v;
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index bfa6cc36ef2a..99cd65c715cd 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -999,6 +999,14 @@ static void mld_ifc_start_timer(struct inet6_dev *idev, int delay)
in6_dev_hold(idev);
}
+static void mld_dad_start_timer(struct inet6_dev *idev, int delay)
+{
+ int tv = net_random() % delay;
+
+ if (!mod_timer(&idev->mc_dad_timer, jiffies+tv+2))
+ in6_dev_hold(idev);
+}
+
/*
* IGMP handling (alias multicast ICMPv6 messages)
*/
@@ -1343,8 +1351,9 @@ static void ip6_mc_hdr(struct sock *sk, struct sk_buff *skb,
hdr->daddr = *daddr;
}
-static struct sk_buff *mld_newpack(struct net_device *dev, int size)
+static struct sk_buff *mld_newpack(struct inet6_dev *idev, int size)
{
+ struct net_device *dev = idev->dev;
struct net *net = dev_net(dev);
struct sock *sk = net->ipv6.igmp_sk;
struct sk_buff *skb;
@@ -1369,7 +1378,7 @@ static struct sk_buff *mld_newpack(struct net_device *dev, int size)
skb_reserve(skb, hlen);
- if (ipv6_get_lladdr(dev, &addr_buf, IFA_F_TENTATIVE)) {
+ if (__ipv6_get_lladdr(idev, &addr_buf, IFA_F_TENTATIVE)) {
/* <draft-ietf-magma-mld-source-05.txt>:
* use unspecified address as the source address
* when a valid link-local address is not available.
@@ -1409,8 +1418,9 @@ static void mld_sendpack(struct sk_buff *skb)
idev = __in6_dev_get(skb->dev);
IP6_UPD_PO_STATS(net, idev, IPSTATS_MIB_OUT, skb->len);
- payload_len = (skb->tail - skb->network_header) - sizeof(*pip6);
- mldlen = skb->tail - skb->transport_header;
+ payload_len = (skb_tail_pointer(skb) - skb_network_header(skb)) -
+ sizeof(*pip6);
+ mldlen = skb_tail_pointer(skb) - skb_transport_header(skb);
pip6->payload_len = htons(payload_len);
pmr->mld2r_cksum = csum_ipv6_magic(&pip6->saddr, &pip6->daddr, mldlen,
@@ -1465,7 +1475,7 @@ static struct sk_buff *add_grhead(struct sk_buff *skb, struct ifmcaddr6 *pmc,
struct mld2_grec *pgr;
if (!skb)
- skb = mld_newpack(dev, dev->mtu);
+ skb = mld_newpack(pmc->idev, dev->mtu);
if (!skb)
return NULL;
pgr = (struct mld2_grec *)skb_put(skb, sizeof(struct mld2_grec));
@@ -1485,7 +1495,8 @@ static struct sk_buff *add_grhead(struct sk_buff *skb, struct ifmcaddr6 *pmc,
static struct sk_buff *add_grec(struct sk_buff *skb, struct ifmcaddr6 *pmc,
int type, int gdeleted, int sdeleted)
{
- struct net_device *dev = pmc->idev->dev;
+ struct inet6_dev *idev = pmc->idev;
+ struct net_device *dev = idev->dev;
struct mld2_report *pmr;
struct mld2_grec *pgr = NULL;
struct ip6_sf_list *psf, *psf_next, *psf_prev, **psf_list;
@@ -1514,7 +1525,7 @@ static struct sk_buff *add_grec(struct sk_buff *skb, struct ifmcaddr6 *pmc,
AVAILABLE(skb) < grec_size(pmc, type, gdeleted, sdeleted)) {
if (skb)
mld_sendpack(skb);
- skb = mld_newpack(dev, dev->mtu);
+ skb = mld_newpack(idev, dev->mtu);
}
}
first = 1;
@@ -1541,7 +1552,7 @@ static struct sk_buff *add_grec(struct sk_buff *skb, struct ifmcaddr6 *pmc,
pgr->grec_nsrcs = htons(scount);
if (skb)
mld_sendpack(skb);
- skb = mld_newpack(dev, dev->mtu);
+ skb = mld_newpack(idev, dev->mtu);
first = 1;
scount = 0;
}
@@ -1596,8 +1607,8 @@ static void mld_send_report(struct inet6_dev *idev, struct ifmcaddr6 *pmc)
struct sk_buff *skb = NULL;
int type;
+ read_lock_bh(&idev->lock);
if (!pmc) {
- read_lock_bh(&idev->lock);
for (pmc=idev->mc_list; pmc; pmc=pmc->next) {
if (pmc->mca_flags & MAF_NOREPORT)
continue;
@@ -1609,7 +1620,6 @@ static void mld_send_report(struct inet6_dev *idev, struct ifmcaddr6 *pmc)
skb = add_grec(skb, pmc, type, 0, 0);
spin_unlock_bh(&pmc->mca_lock);
}
- read_unlock_bh(&idev->lock);
} else {
spin_lock_bh(&pmc->mca_lock);
if (pmc->mca_sfcount[MCAST_EXCLUDE])
@@ -1619,6 +1629,7 @@ static void mld_send_report(struct inet6_dev *idev, struct ifmcaddr6 *pmc)
skb = add_grec(skb, pmc, type, 0, 0);
spin_unlock_bh(&pmc->mca_lock);
}
+ read_unlock_bh(&idev->lock);
if (skb)
mld_sendpack(skb);
}
@@ -1814,6 +1825,46 @@ err_out:
goto out;
}
+static void mld_resend_report(struct inet6_dev *idev)
+{
+ if (MLD_V1_SEEN(idev)) {
+ struct ifmcaddr6 *mcaddr;
+ read_lock_bh(&idev->lock);
+ for (mcaddr = idev->mc_list; mcaddr; mcaddr = mcaddr->next) {
+ if (!(mcaddr->mca_flags & MAF_NOREPORT))
+ igmp6_send(&mcaddr->mca_addr, idev->dev,
+ ICMPV6_MGM_REPORT);
+ }
+ read_unlock_bh(&idev->lock);
+ } else {
+ mld_send_report(idev, NULL);
+ }
+}
+
+void ipv6_mc_dad_complete(struct inet6_dev *idev)
+{
+ idev->mc_dad_count = idev->mc_qrv;
+ if (idev->mc_dad_count) {
+ mld_resend_report(idev);
+ idev->mc_dad_count--;
+ if (idev->mc_dad_count)
+ mld_dad_start_timer(idev, idev->mc_maxdelay);
+ }
+}
+
+static void mld_dad_timer_expire(unsigned long data)
+{
+ struct inet6_dev *idev = (struct inet6_dev *)data;
+
+ mld_resend_report(idev);
+ if (idev->mc_dad_count) {
+ idev->mc_dad_count--;
+ if (idev->mc_dad_count)
+ mld_dad_start_timer(idev, idev->mc_maxdelay);
+ }
+ __in6_dev_put(idev);
+}
+
static int ip6_mc_del1_src(struct ifmcaddr6 *pmc, int sfmode,
const struct in6_addr *psfsrc)
{
@@ -2231,6 +2282,8 @@ void ipv6_mc_down(struct inet6_dev *idev)
idev->mc_gq_running = 0;
if (del_timer(&idev->mc_gq_timer))
__in6_dev_put(idev);
+ if (del_timer(&idev->mc_dad_timer))
+ __in6_dev_put(idev);
for (i = idev->mc_list; i; i=i->next)
igmp6_group_dropped(i);
@@ -2267,6 +2320,8 @@ void ipv6_mc_init_dev(struct inet6_dev *idev)
idev->mc_ifc_count = 0;
setup_timer(&idev->mc_ifc_timer, mld_ifc_timer_expire,
(unsigned long)idev);
+ setup_timer(&idev->mc_dad_timer, mld_dad_timer_expire,
+ (unsigned long)idev);
idev->mc_qrv = MLD_QRV_DEFAULT;
idev->mc_maxdelay = IGMP6_UNSOLICITED_IVAL;
idev->mc_v1_seen = 0;
diff --git a/net/ipv6/mip6.c b/net/ipv6/mip6.c
index 0f9bdc5ee9f3..9ac01dc9402e 100644
--- a/net/ipv6/mip6.c
+++ b/net/ipv6/mip6.c
@@ -268,7 +268,8 @@ static int mip6_destopt_offset(struct xfrm_state *x, struct sk_buff *skb,
struct ipv6_opt_hdr *exthdr =
(struct ipv6_opt_hdr *)(ipv6_hdr(skb) + 1);
const unsigned char *nh = skb_network_header(skb);
- unsigned int packet_len = skb->tail - skb->network_header;
+ unsigned int packet_len = skb_tail_pointer(skb) -
+ skb_network_header(skb);
int found_rhdr = 0;
*nexthdr = &ipv6_hdr(skb)->nexthdr;
@@ -404,7 +405,8 @@ static int mip6_rthdr_offset(struct xfrm_state *x, struct sk_buff *skb,
struct ipv6_opt_hdr *exthdr =
(struct ipv6_opt_hdr *)(ipv6_hdr(skb) + 1);
const unsigned char *nh = skb_network_header(skb);
- unsigned int packet_len = skb->tail - skb->network_header;
+ unsigned int packet_len = skb_tail_pointer(skb) -
+ skb_network_header(skb);
int found_rhdr = 0;
*nexthdr = &ipv6_hdr(skb)->nexthdr;
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index ca4ffcc287f1..b3b5730b48c5 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -693,7 +693,7 @@ static void ndisc_recv_ns(struct sk_buff *skb)
const struct in6_addr *saddr = &ipv6_hdr(skb)->saddr;
const struct in6_addr *daddr = &ipv6_hdr(skb)->daddr;
u8 *lladdr = NULL;
- u32 ndoptlen = skb->tail - (skb->transport_header +
+ u32 ndoptlen = skb_tail_pointer(skb) - (skb_transport_header(skb) +
offsetof(struct nd_msg, opt));
struct ndisc_options ndopts;
struct net_device *dev = skb->dev;
@@ -853,7 +853,7 @@ static void ndisc_recv_na(struct sk_buff *skb)
const struct in6_addr *saddr = &ipv6_hdr(skb)->saddr;
const struct in6_addr *daddr = &ipv6_hdr(skb)->daddr;
u8 *lladdr = NULL;
- u32 ndoptlen = skb->tail - (skb->transport_header +
+ u32 ndoptlen = skb_tail_pointer(skb) - (skb_transport_header(skb) +
offsetof(struct nd_msg, opt));
struct ndisc_options ndopts;
struct net_device *dev = skb->dev;
@@ -1069,7 +1069,8 @@ static void ndisc_router_discovery(struct sk_buff *skb)
__u8 * opt = (__u8 *)(ra_msg + 1);
- optlen = (skb->tail - skb->transport_header) - sizeof(struct ra_msg);
+ optlen = (skb_tail_pointer(skb) - skb_transport_header(skb)) -
+ sizeof(struct ra_msg);
if (!(ipv6_addr_type(&ipv6_hdr(skb)->saddr) & IPV6_ADDR_LINKLOCAL)) {
ND_PRINTK(2, warn, "RA: source address is not link-local\n");
@@ -1346,7 +1347,7 @@ static void ndisc_redirect_rcv(struct sk_buff *skb)
u8 *hdr;
struct ndisc_options ndopts;
struct rd_msg *msg = (struct rd_msg *)skb_transport_header(skb);
- u32 ndoptlen = skb->tail - (skb->transport_header +
+ u32 ndoptlen = skb_tail_pointer(skb) - (skb_transport_header(skb) +
offsetof(struct rd_msg, opt));
#ifdef CONFIG_IPV6_NDISC_NODETYPE
@@ -1568,7 +1569,7 @@ int ndisc_rcv(struct sk_buff *skb)
static int ndisc_netdev_event(struct notifier_block *this, unsigned long event, void *ptr)
{
- struct net_device *dev = ptr;
+ struct net_device *dev = netdev_notifier_info_to_dev(ptr);
struct net *net = dev_net(dev);
struct inet6_dev *idev;
diff --git a/net/ipv6/netfilter/ip6t_MASQUERADE.c b/net/ipv6/netfilter/ip6t_MASQUERADE.c
index 60e9053bab05..47bff6107519 100644
--- a/net/ipv6/netfilter/ip6t_MASQUERADE.c
+++ b/net/ipv6/netfilter/ip6t_MASQUERADE.c
@@ -71,7 +71,7 @@ static int device_cmp(struct nf_conn *ct, void *ifindex)
static int masq_device_event(struct notifier_block *this,
unsigned long event, void *ptr)
{
- const struct net_device *dev = ptr;
+ const struct net_device *dev = netdev_notifier_info_to_dev(ptr);
struct net *net = dev_net(dev);
if (event == NETDEV_DOWN)
@@ -89,8 +89,10 @@ static int masq_inet_event(struct notifier_block *this,
unsigned long event, void *ptr)
{
struct inet6_ifaddr *ifa = ptr;
+ struct netdev_notifier_info info;
- return masq_device_event(this, event, ifa->idev->dev);
+ netdev_notifier_info_init(&info, ifa->idev->dev);
+ return masq_device_event(this, event, &info);
}
static struct notifier_block masq_inet_notifier = {
diff --git a/net/ipv6/output_core.c b/net/ipv6/output_core.c
index c2e73e647e44..ab92a3673fbb 100644
--- a/net/ipv6/output_core.c
+++ b/net/ipv6/output_core.c
@@ -40,7 +40,8 @@ int ip6_find_1stfragopt(struct sk_buff *skb, u8 **nexthdr)
u16 offset = sizeof(struct ipv6hdr);
struct ipv6_opt_hdr *exthdr =
(struct ipv6_opt_hdr *)(ipv6_hdr(skb) + 1);
- unsigned int packet_len = skb->tail - skb->network_header;
+ unsigned int packet_len = skb_tail_pointer(skb) -
+ skb_network_header(skb);
int found_rhdr = 0;
*nexthdr = &ipv6_hdr(skb)->nexthdr;
diff --git a/net/ipv6/ping.c b/net/ipv6/ping.c
new file mode 100644
index 000000000000..18f19df4189f
--- /dev/null
+++ b/net/ipv6/ping.c
@@ -0,0 +1,277 @@
+/*
+ * INET An implementation of the TCP/IP protocol suite for the LINUX
+ * operating system. INET is implemented using the BSD Socket
+ * interface as the means of communication with the user level.
+ *
+ * "Ping" sockets
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ *
+ * Based on ipv4/ping.c code.
+ *
+ * Authors: Lorenzo Colitti (IPv6 support)
+ * Vasiliy Kulikov / Openwall (IPv4 implementation, for Linux 2.6),
+ * Pavel Kankovsky (IPv4 implementation, for Linux 2.4.32)
+ *
+ */
+
+#include <net/addrconf.h>
+#include <net/ipv6.h>
+#include <net/ip6_route.h>
+#include <net/protocol.h>
+#include <net/udp.h>
+#include <net/transp_v6.h>
+#include <net/ping.h>
+
+struct proto pingv6_prot = {
+ .name = "PINGv6",
+ .owner = THIS_MODULE,
+ .init = ping_init_sock,
+ .close = ping_close,
+ .connect = ip6_datagram_connect,
+ .disconnect = udp_disconnect,
+ .setsockopt = ipv6_setsockopt,
+ .getsockopt = ipv6_getsockopt,
+ .sendmsg = ping_v6_sendmsg,
+ .recvmsg = ping_recvmsg,
+ .bind = ping_bind,
+ .backlog_rcv = ping_queue_rcv_skb,
+ .hash = ping_hash,
+ .unhash = ping_unhash,
+ .get_port = ping_get_port,
+ .obj_size = sizeof(struct raw6_sock),
+};
+EXPORT_SYMBOL_GPL(pingv6_prot);
+
+static struct inet_protosw pingv6_protosw = {
+ .type = SOCK_DGRAM,
+ .protocol = IPPROTO_ICMPV6,
+ .prot = &pingv6_prot,
+ .ops = &inet6_dgram_ops,
+ .no_check = UDP_CSUM_DEFAULT,
+ .flags = INET_PROTOSW_REUSE,
+};
+
+
+/* Compatibility glue so we can support IPv6 when it's compiled as a module */
+static int dummy_ipv6_recv_error(struct sock *sk, struct msghdr *msg, int len)
+{
+ return -EAFNOSUPPORT;
+}
+static int dummy_ip6_datagram_recv_ctl(struct sock *sk, struct msghdr *msg,
+ struct sk_buff *skb)
+{
+ return -EAFNOSUPPORT;
+}
+static int dummy_icmpv6_err_convert(u8 type, u8 code, int *err)
+{
+ return -EAFNOSUPPORT;
+}
+static void dummy_ipv6_icmp_error(struct sock *sk, struct sk_buff *skb, int err,
+ __be16 port, u32 info, u8 *payload) {}
+static int dummy_ipv6_chk_addr(struct net *net, const struct in6_addr *addr,
+ const struct net_device *dev, int strict)
+{
+ return 0;
+}
+
+int ping_v6_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
+ size_t len)
+{
+ struct inet_sock *inet = inet_sk(sk);
+ struct ipv6_pinfo *np = inet6_sk(sk);
+ struct icmp6hdr user_icmph;
+ int addr_type;
+ struct in6_addr *daddr;
+ int iif = 0;
+ struct flowi6 fl6;
+ int err;
+ int hlimit;
+ struct dst_entry *dst;
+ struct rt6_info *rt;
+ struct pingfakehdr pfh;
+
+ pr_debug("ping_v6_sendmsg(sk=%p,sk->num=%u)\n", inet, inet->inet_num);
+
+ err = ping_common_sendmsg(AF_INET6, msg, len, &user_icmph,
+ sizeof(user_icmph));
+ if (err)
+ return err;
+
+ if (msg->msg_name) {
+ struct sockaddr_in6 *u = (struct sockaddr_in6 *) msg->msg_name;
+ if (msg->msg_namelen < sizeof(struct sockaddr_in6) ||
+ u->sin6_family != AF_INET6) {
+ return -EINVAL;
+ }
+ if (sk->sk_bound_dev_if &&
+ sk->sk_bound_dev_if != u->sin6_scope_id) {
+ return -EINVAL;
+ }
+ daddr = &(u->sin6_addr);
+ iif = u->sin6_scope_id;
+ } else {
+ if (sk->sk_state != TCP_ESTABLISHED)
+ return -EDESTADDRREQ;
+ daddr = &np->daddr;
+ }
+
+ if (!iif)
+ iif = sk->sk_bound_dev_if;
+
+ addr_type = ipv6_addr_type(daddr);
+ if (__ipv6_addr_needs_scope_id(addr_type) && !iif)
+ return -EINVAL;
+ if (addr_type & IPV6_ADDR_MAPPED)
+ return -EINVAL;
+
+ /* TODO: use ip6_datagram_send_ctl to get options from cmsg */
+
+ memset(&fl6, 0, sizeof(fl6));
+
+ fl6.flowi6_proto = IPPROTO_ICMPV6;
+ fl6.saddr = np->saddr;
+ fl6.daddr = *daddr;
+ fl6.fl6_icmp_type = user_icmph.icmp6_type;
+ fl6.fl6_icmp_code = user_icmph.icmp6_code;
+ security_sk_classify_flow(sk, flowi6_to_flowi(&fl6));
+
+ if (!fl6.flowi6_oif && ipv6_addr_is_multicast(&fl6.daddr))
+ fl6.flowi6_oif = np->mcast_oif;
+ else if (!fl6.flowi6_oif)
+ fl6.flowi6_oif = np->ucast_oif;
+
+ dst = ip6_sk_dst_lookup_flow(sk, &fl6, daddr, 1);
+ if (IS_ERR(dst))
+ return PTR_ERR(dst);
+ rt = (struct rt6_info *) dst;
+
+ np = inet6_sk(sk);
+ if (!np)
+ return -EBADF;
+
+ if (!fl6.flowi6_oif && ipv6_addr_is_multicast(&fl6.daddr))
+ fl6.flowi6_oif = np->mcast_oif;
+ else if (!fl6.flowi6_oif)
+ fl6.flowi6_oif = np->ucast_oif;
+
+ pfh.icmph.type = user_icmph.icmp6_type;
+ pfh.icmph.code = user_icmph.icmp6_code;
+ pfh.icmph.checksum = 0;
+ pfh.icmph.un.echo.id = inet->inet_sport;
+ pfh.icmph.un.echo.sequence = user_icmph.icmp6_sequence;
+ pfh.iov = msg->msg_iov;
+ pfh.wcheck = 0;
+ pfh.family = AF_INET6;
+
+ if (ipv6_addr_is_multicast(&fl6.daddr))
+ hlimit = np->mcast_hops;
+ else
+ hlimit = np->hop_limit;
+ if (hlimit < 0)
+ hlimit = ip6_dst_hoplimit(dst);
+
+ lock_sock(sk);
+ err = ip6_append_data(sk, ping_getfrag, &pfh, len,
+ 0, hlimit,
+ np->tclass, NULL, &fl6, rt,
+ MSG_DONTWAIT, np->dontfrag);
+
+ if (err) {
+ ICMP6_INC_STATS_BH(sock_net(sk), rt->rt6i_idev,
+ ICMP6_MIB_OUTERRORS);
+ ip6_flush_pending_frames(sk);
+ } else {
+ err = icmpv6_push_pending_frames(sk, &fl6,
+ (struct icmp6hdr *) &pfh.icmph,
+ len);
+ }
+ release_sock(sk);
+
+ if (err)
+ return err;
+
+ return len;
+}
+
+#ifdef CONFIG_PROC_FS
+static void *ping_v6_seq_start(struct seq_file *seq, loff_t *pos)
+{
+ return ping_seq_start(seq, pos, AF_INET6);
+}
+
+static int ping_v6_seq_show(struct seq_file *seq, void *v)
+{
+ if (v == SEQ_START_TOKEN) {
+ seq_puts(seq, IPV6_SEQ_DGRAM_HEADER);
+ } else {
+ int bucket = ((struct ping_iter_state *) seq->private)->bucket;
+ struct inet_sock *inet = inet_sk(v);
+ __u16 srcp = ntohs(inet->inet_sport);
+ __u16 destp = ntohs(inet->inet_dport);
+ ip6_dgram_sock_seq_show(seq, v, srcp, destp, bucket);
+ }
+ return 0;
+}
+
+static struct ping_seq_afinfo ping_v6_seq_afinfo = {
+ .name = "icmp6",
+ .family = AF_INET6,
+ .seq_fops = &ping_seq_fops,
+ .seq_ops = {
+ .start = ping_v6_seq_start,
+ .show = ping_v6_seq_show,
+ .next = ping_seq_next,
+ .stop = ping_seq_stop,
+ },
+};
+
+static int __net_init ping_v6_proc_init_net(struct net *net)
+{
+ return ping_proc_register(net, &ping_v6_seq_afinfo);
+}
+
+static void __net_init ping_v6_proc_exit_net(struct net *net)
+{
+ return ping_proc_unregister(net, &ping_v6_seq_afinfo);
+}
+
+static struct pernet_operations ping_v6_net_ops = {
+ .init = ping_v6_proc_init_net,
+ .exit = ping_v6_proc_exit_net,
+};
+#endif
+
+int __init pingv6_init(void)
+{
+#ifdef CONFIG_PROC_FS
+ int ret = register_pernet_subsys(&ping_v6_net_ops);
+ if (ret)
+ return ret;
+#endif
+ pingv6_ops.ipv6_recv_error = ipv6_recv_error;
+ pingv6_ops.ip6_datagram_recv_ctl = ip6_datagram_recv_ctl;
+ pingv6_ops.icmpv6_err_convert = icmpv6_err_convert;
+ pingv6_ops.ipv6_icmp_error = ipv6_icmp_error;
+ pingv6_ops.ipv6_chk_addr = ipv6_chk_addr;
+ return inet6_register_protosw(&pingv6_protosw);
+}
+
+/* This never gets called because it's not possible to unload the ipv6 module,
+ * but just in case.
+ */
+void pingv6_exit(void)
+{
+ pingv6_ops.ipv6_recv_error = dummy_ipv6_recv_error;
+ pingv6_ops.ip6_datagram_recv_ctl = dummy_ip6_datagram_recv_ctl;
+ pingv6_ops.icmpv6_err_convert = dummy_icmpv6_err_convert;
+ pingv6_ops.ipv6_icmp_error = dummy_ipv6_icmp_error;
+ pingv6_ops.ipv6_chk_addr = dummy_ipv6_chk_addr;
+#ifdef CONFIG_PROC_FS
+ unregister_pernet_subsys(&ping_v6_net_ops);
+#endif
+ inet6_unregister_protosw(&pingv6_protosw);
+}
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index eedff8ccded5..c45f7a5c36e9 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -1132,7 +1132,8 @@ static int rawv6_ioctl(struct sock *sk, int cmd, unsigned long arg)
spin_lock_bh(&sk->sk_receive_queue.lock);
skb = skb_peek(&sk->sk_receive_queue);
if (skb != NULL)
- amount = skb->tail - skb->transport_header;
+ amount = skb_tail_pointer(skb) -
+ skb_transport_header(skb);
spin_unlock_bh(&sk->sk_receive_queue.lock);
return put_user(amount, (int __user *)arg);
}
@@ -1226,45 +1227,16 @@ struct proto rawv6_prot = {
};
#ifdef CONFIG_PROC_FS
-static void raw6_sock_seq_show(struct seq_file *seq, struct sock *sp, int i)
-{
- struct ipv6_pinfo *np = inet6_sk(sp);
- const struct in6_addr *dest, *src;
- __u16 destp, srcp;
-
- dest = &np->daddr;
- src = &np->rcv_saddr;
- destp = 0;
- srcp = inet_sk(sp)->inet_num;
- seq_printf(seq,
- "%4d: %08X%08X%08X%08X:%04X %08X%08X%08X%08X:%04X "
- "%02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %pK %d\n",
- i,
- src->s6_addr32[0], src->s6_addr32[1],
- src->s6_addr32[2], src->s6_addr32[3], srcp,
- dest->s6_addr32[0], dest->s6_addr32[1],
- dest->s6_addr32[2], dest->s6_addr32[3], destp,
- sp->sk_state,
- sk_wmem_alloc_get(sp),
- sk_rmem_alloc_get(sp),
- 0, 0L, 0,
- from_kuid_munged(seq_user_ns(seq), sock_i_uid(sp)),
- 0,
- sock_i_ino(sp),
- atomic_read(&sp->sk_refcnt), sp, atomic_read(&sp->sk_drops));
-}
-
static int raw6_seq_show(struct seq_file *seq, void *v)
{
- if (v == SEQ_START_TOKEN)
- seq_printf(seq,
- " sl "
- "local_address "
- "remote_address "
- "st tx_queue rx_queue tr tm->when retrnsmt"
- " uid timeout inode ref pointer drops\n");
- else
- raw6_sock_seq_show(seq, v, raw_seq_private(seq)->bucket);
+ if (v == SEQ_START_TOKEN) {
+ seq_puts(seq, IPV6_SEQ_DGRAM_HEADER);
+ } else {
+ struct sock *sp = v;
+ __u16 srcp = inet_sk(sp)->inet_num;
+ ip6_dgram_sock_seq_show(seq, v, srcp, 0,
+ raw_seq_private(seq)->bucket);
+ }
return 0;
}
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index ad0aa6b0b86a..bd5fd7054031 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -83,6 +83,7 @@ static void ip6_rt_update_pmtu(struct dst_entry *dst, struct sock *sk,
struct sk_buff *skb, u32 mtu);
static void rt6_do_redirect(struct dst_entry *dst, struct sock *sk,
struct sk_buff *skb);
+static int rt6_score_route(struct rt6_info *rt, int oif, int strict);
#ifdef CONFIG_IPV6_ROUTE_INFO
static struct rt6_info *rt6_add_route_info(struct net *net,
@@ -394,7 +395,8 @@ static int rt6_info_hash_nhsfn(unsigned int candidate_count,
}
static struct rt6_info *rt6_multipath_select(struct rt6_info *match,
- struct flowi6 *fl6)
+ struct flowi6 *fl6, int oif,
+ int strict)
{
struct rt6_info *sibling, *next_sibling;
int route_choosen;
@@ -408,6 +410,8 @@ static struct rt6_info *rt6_multipath_select(struct rt6_info *match,
&match->rt6i_siblings, rt6i_siblings) {
route_choosen--;
if (route_choosen == 0) {
+ if (rt6_score_route(sibling, oif, strict) < 0)
+ break;
match = sibling;
break;
}
@@ -547,6 +551,8 @@ static inline bool rt6_check_neigh(struct rt6_info *rt)
ret = true;
#endif
read_unlock(&neigh->lock);
+ } else if (IS_ENABLED(CONFIG_IPV6_ROUTER_PREF)) {
+ ret = true;
}
rcu_read_unlock_bh();
@@ -743,7 +749,7 @@ restart:
rt = fn->leaf;
rt = rt6_device_match(net, rt, &fl6->saddr, fl6->flowi6_oif, flags);
if (rt->rt6i_nsiblings && fl6->flowi6_oif == 0)
- rt = rt6_multipath_select(rt, fl6);
+ rt = rt6_multipath_select(rt, fl6, fl6->flowi6_oif, flags);
BACKTRACK(net, &fl6->saddr);
out:
dst_use(&rt->dst, jiffies);
@@ -875,8 +881,8 @@ restart_2:
restart:
rt = rt6_select(fn, oif, strict | reachable);
- if (rt->rt6i_nsiblings && oif == 0)
- rt = rt6_multipath_select(rt, fl6);
+ if (rt->rt6i_nsiblings)
+ rt = rt6_multipath_select(rt, fl6, oif, strict | reachable);
BACKTRACK(net, &fl6->saddr);
if (rt == net->ipv6.ip6_null_entry ||
rt->rt6i_flags & RTF_CACHE)
@@ -1649,7 +1655,7 @@ static void rt6_do_redirect(struct dst_entry *dst, struct sock *sk, struct sk_bu
int optlen, on_link;
u8 *lladdr;
- optlen = skb->tail - skb->transport_header;
+ optlen = skb_tail_pointer(skb) - skb_transport_header(skb);
optlen -= sizeof(*msg);
if (optlen < 0) {
@@ -2681,9 +2687,9 @@ errout:
}
static int ip6_route_dev_notify(struct notifier_block *this,
- unsigned long event, void *data)
+ unsigned long event, void *ptr)
{
- struct net_device *dev = (struct net_device *)data;
+ struct net_device *dev = netdev_notifier_info_to_dev(ptr);
struct net *net = dev_net(dev);
if (event == NETDEV_REGISTER && (dev->flags & IFF_LOOPBACK)) {
@@ -2790,7 +2796,7 @@ static const struct file_operations rt6_stats_seq_fops = {
#ifdef CONFIG_SYSCTL
static
-int ipv6_sysctl_rtcache_flush(ctl_table *ctl, int write,
+int ipv6_sysctl_rtcache_flush(struct ctl_table *ctl, int write,
void __user *buffer, size_t *lenp, loff_t *ppos)
{
struct net *net;
@@ -2805,7 +2811,7 @@ int ipv6_sysctl_rtcache_flush(ctl_table *ctl, int write,
return 0;
}
-ctl_table ipv6_route_table_template[] = {
+struct ctl_table ipv6_route_table_template[] = {
{
.procname = "flush",
.data = &init_net.ipv6.sysctl.flush_delay,
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 335363478bbf..a3437a4cd07e 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -466,14 +466,14 @@ isatap_chksrc(struct sk_buff *skb, const struct iphdr *iph, struct ip_tunnel *t)
static void ipip6_tunnel_uninit(struct net_device *dev)
{
- struct net *net = dev_net(dev);
- struct sit_net *sitn = net_generic(net, sit_net_id);
+ struct ip_tunnel *tunnel = netdev_priv(dev);
+ struct sit_net *sitn = net_generic(tunnel->net, sit_net_id);
if (dev == sitn->fb_tunnel_dev) {
RCU_INIT_POINTER(sitn->tunnels_wc[0], NULL);
} else {
- ipip6_tunnel_unlink(sitn, netdev_priv(dev));
- ipip6_tunnel_del_prl(netdev_priv(dev), NULL);
+ ipip6_tunnel_unlink(sitn, tunnel);
+ ipip6_tunnel_del_prl(tunnel, NULL);
}
dev_put(dev);
}
@@ -577,6 +577,10 @@ static int ipip6_rcv(struct sk_buff *skb)
if (tunnel != NULL) {
struct pcpu_tstats *tstats;
+ if (tunnel->parms.iph.protocol != IPPROTO_IPV6 &&
+ tunnel->parms.iph.protocol != 0)
+ goto out;
+
secpath_reset(skb);
skb->mac_header = skb->network_header;
skb_reset_network_header(skb);
@@ -589,7 +593,7 @@ static int ipip6_rcv(struct sk_buff *skb)
tunnel->dev->stats.rx_errors++;
goto out;
}
- } else {
+ } else if (!(tunnel->dev->flags&IFF_POINTOPOINT)) {
if (is_spoofed_6rd(tunnel, iph->saddr,
&ipv6_hdr(skb)->saddr) ||
is_spoofed_6rd(tunnel, iph->daddr,
@@ -617,6 +621,8 @@ static int ipip6_rcv(struct sk_buff *skb)
tstats->rx_packets++;
tstats->rx_bytes += skb->len;
+ if (tunnel->net != dev_net(tunnel->dev))
+ skb_scrub_packet(skb);
netif_rx(skb);
return 0;
@@ -629,6 +635,40 @@ out:
return 0;
}
+static const struct tnl_ptk_info tpi = {
+ /* no tunnel info required for ipip. */
+ .proto = htons(ETH_P_IP),
+};
+
+static int ipip_rcv(struct sk_buff *skb)
+{
+ const struct iphdr *iph;
+ struct ip_tunnel *tunnel;
+
+ if (iptunnel_pull_header(skb, 0, tpi.proto))
+ goto drop;
+
+ iph = ip_hdr(skb);
+
+ tunnel = ipip6_tunnel_lookup(dev_net(skb->dev), skb->dev,
+ iph->saddr, iph->daddr);
+ if (tunnel != NULL) {
+ if (tunnel->parms.iph.protocol != IPPROTO_IPIP &&
+ tunnel->parms.iph.protocol != 0)
+ goto drop;
+
+ if (!xfrm4_policy_check(NULL, XFRM_POLICY_IN, skb))
+ goto drop;
+ return ip_tunnel_rcv(tunnel, skb, &tpi, log_ecn_error);
+ }
+
+ return 1;
+
+drop:
+ kfree_skb(skb);
+ return 0;
+}
+
/*
* If the IPv6 address comes from 6rd / 6to4 (RFC 3056) addr space this function
* stores the embedded IPv4 address in v4dst and returns true.
@@ -690,13 +730,14 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb,
__be16 df = tiph->frag_off;
struct rtable *rt; /* Route to the other host */
struct net_device *tdev; /* Device to other host */
- struct iphdr *iph; /* Our new IP header */
unsigned int max_headroom; /* The extra header space needed */
__be32 dst = tiph->daddr;
struct flowi4 fl4;
int mtu;
const struct in6_addr *addr6;
int addr_type;
+ u8 ttl;
+ int err;
if (skb->protocol != htons(ETH_P_IPV6))
goto tx_error;
@@ -764,7 +805,7 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb,
goto tx_error;
}
- rt = ip_route_output_ports(dev_net(dev), &fl4, NULL,
+ rt = ip_route_output_ports(tunnel->net, &fl4, NULL,
dst, tiph->saddr,
0, 0,
IPPROTO_IPV6, RT_TOS(tos),
@@ -819,6 +860,9 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb,
tunnel->err_count = 0;
}
+ if (tunnel->net != dev_net(dev))
+ skb_scrub_packet(skb);
+
/*
* Okay, now see if we can stuff it in the buffer as-is.
*/
@@ -839,34 +883,14 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb,
skb = new_skb;
iph6 = ipv6_hdr(skb);
}
-
- skb->transport_header = skb->network_header;
- skb_push(skb, sizeof(struct iphdr));
- skb_reset_network_header(skb);
- memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt));
- IPCB(skb)->flags = 0;
- skb_dst_drop(skb);
- skb_dst_set(skb, &rt->dst);
-
- /*
- * Push down and install the IPIP header.
- */
-
- iph = ip_hdr(skb);
- iph->version = 4;
- iph->ihl = sizeof(struct iphdr)>>2;
- iph->frag_off = df;
- iph->protocol = IPPROTO_IPV6;
- iph->tos = INET_ECN_encapsulate(tos, ipv6_get_dsfield(iph6));
- iph->daddr = fl4.daddr;
- iph->saddr = fl4.saddr;
-
- if ((iph->ttl = tiph->ttl) == 0)
- iph->ttl = iph6->hop_limit;
-
- skb->ip_summed = CHECKSUM_NONE;
- ip_select_ident(iph, skb_dst(skb), NULL);
- iptunnel_xmit(skb, dev);
+ ttl = tiph->ttl;
+ if (ttl == 0)
+ ttl = iph6->hop_limit;
+ tos = INET_ECN_encapsulate(tos, ipv6_get_dsfield(iph6));
+
+ err = iptunnel_xmit(dev_net(dev), rt, skb, fl4.saddr, fl4.daddr,
+ IPPROTO_IPV6, tos, ttl, df);
+ iptunnel_xmit_stats(err, &dev->stats, dev->tstats);
return NETDEV_TX_OK;
tx_error_icmp:
@@ -877,6 +901,43 @@ tx_error:
return NETDEV_TX_OK;
}
+static netdev_tx_t ipip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
+{
+ struct ip_tunnel *tunnel = netdev_priv(dev);
+ const struct iphdr *tiph = &tunnel->parms.iph;
+
+ if (likely(!skb->encapsulation)) {
+ skb_reset_inner_headers(skb);
+ skb->encapsulation = 1;
+ }
+
+ ip_tunnel_xmit(skb, dev, tiph, IPPROTO_IPIP);
+ return NETDEV_TX_OK;
+}
+
+static netdev_tx_t sit_tunnel_xmit(struct sk_buff *skb,
+ struct net_device *dev)
+{
+ switch (skb->protocol) {
+ case htons(ETH_P_IP):
+ ipip_tunnel_xmit(skb, dev);
+ break;
+ case htons(ETH_P_IPV6):
+ ipip6_tunnel_xmit(skb, dev);
+ break;
+ default:
+ goto tx_err;
+ }
+
+ return NETDEV_TX_OK;
+
+tx_err:
+ dev->stats.tx_errors++;
+ dev_kfree_skb(skb);
+ return NETDEV_TX_OK;
+
+}
+
static void ipip6_tunnel_bind_dev(struct net_device *dev)
{
struct net_device *tdev = NULL;
@@ -888,7 +949,8 @@ static void ipip6_tunnel_bind_dev(struct net_device *dev)
iph = &tunnel->parms.iph;
if (iph->daddr) {
- struct rtable *rt = ip_route_output_ports(dev_net(dev), &fl4, NULL,
+ struct rtable *rt = ip_route_output_ports(tunnel->net, &fl4,
+ NULL,
iph->daddr, iph->saddr,
0, 0,
IPPROTO_IPV6,
@@ -903,7 +965,7 @@ static void ipip6_tunnel_bind_dev(struct net_device *dev)
}
if (!tdev && tunnel->parms.link)
- tdev = __dev_get_by_index(dev_net(dev), tunnel->parms.link);
+ tdev = __dev_get_by_index(tunnel->net, tunnel->parms.link);
if (tdev) {
dev->hard_header_len = tdev->hard_header_len + sizeof(struct iphdr);
@@ -916,7 +978,7 @@ static void ipip6_tunnel_bind_dev(struct net_device *dev)
static void ipip6_tunnel_update(struct ip_tunnel *t, struct ip_tunnel_parm *p)
{
- struct net *net = dev_net(t->dev);
+ struct net *net = t->net;
struct sit_net *sitn = net_generic(net, sit_net_id);
ipip6_tunnel_unlink(sitn, t);
@@ -1027,7 +1089,11 @@ ipip6_tunnel_ioctl (struct net_device *dev, struct ifreq *ifr, int cmd)
goto done;
err = -EINVAL;
- if (p.iph.version != 4 || p.iph.protocol != IPPROTO_IPV6 ||
+ if (p.iph.protocol != IPPROTO_IPV6 &&
+ p.iph.protocol != IPPROTO_IPIP &&
+ p.iph.protocol != 0)
+ goto done;
+ if (p.iph.version != 4 ||
p.iph.ihl != 5 || (p.iph.frag_off&htons(~IP_DF)))
goto done;
if (p.iph.ttl)
@@ -1164,7 +1230,7 @@ static int ipip6_tunnel_change_mtu(struct net_device *dev, int new_mtu)
static const struct net_device_ops ipip6_netdev_ops = {
.ndo_uninit = ipip6_tunnel_uninit,
- .ndo_start_xmit = ipip6_tunnel_xmit,
+ .ndo_start_xmit = sit_tunnel_xmit,
.ndo_do_ioctl = ipip6_tunnel_ioctl,
.ndo_change_mtu = ipip6_tunnel_change_mtu,
.ndo_get_stats64 = ip_tunnel_get_stats64,
@@ -1188,7 +1254,6 @@ static void ipip6_tunnel_setup(struct net_device *dev)
dev->priv_flags &= ~IFF_XMIT_DST_RELEASE;
dev->iflink = 0;
dev->addr_len = 4;
- dev->features |= NETIF_F_NETNS_LOCAL;
dev->features |= NETIF_F_LLTX;
}
@@ -1197,6 +1262,7 @@ static int ipip6_tunnel_init(struct net_device *dev)
struct ip_tunnel *tunnel = netdev_priv(dev);
tunnel->dev = dev;
+ tunnel->net = dev_net(dev);
memcpy(dev->dev_addr, &tunnel->parms.iph.saddr, 4);
memcpy(dev->broadcast, &tunnel->parms.iph.daddr, 4);
@@ -1217,6 +1283,7 @@ static int __net_init ipip6_fb_tunnel_init(struct net_device *dev)
struct sit_net *sitn = net_generic(net, sit_net_id);
tunnel->dev = dev;
+ tunnel->net = dev_net(dev);
strcpy(tunnel->parms.name, dev->name);
iph->version = 4;
@@ -1232,6 +1299,22 @@ static int __net_init ipip6_fb_tunnel_init(struct net_device *dev)
return 0;
}
+static int ipip6_validate(struct nlattr *tb[], struct nlattr *data[])
+{
+ u8 proto;
+
+ if (!data || !data[IFLA_IPTUN_PROTO])
+ return 0;
+
+ proto = nla_get_u8(data[IFLA_IPTUN_PROTO]);
+ if (proto != IPPROTO_IPV6 &&
+ proto != IPPROTO_IPIP &&
+ proto != 0)
+ return -EINVAL;
+
+ return 0;
+}
+
static void ipip6_netlink_parms(struct nlattr *data[],
struct ip_tunnel_parm *parms)
{
@@ -1268,6 +1351,10 @@ static void ipip6_netlink_parms(struct nlattr *data[],
if (data[IFLA_IPTUN_FLAGS])
parms->i_flags = nla_get_be16(data[IFLA_IPTUN_FLAGS]);
+
+ if (data[IFLA_IPTUN_PROTO])
+ parms->iph.protocol = nla_get_u8(data[IFLA_IPTUN_PROTO]);
+
}
#ifdef CONFIG_IPV6_SIT_6RD
@@ -1339,9 +1426,9 @@ static int ipip6_newlink(struct net *src_net, struct net_device *dev,
static int ipip6_changelink(struct net_device *dev, struct nlattr *tb[],
struct nlattr *data[])
{
- struct ip_tunnel *t;
+ struct ip_tunnel *t = netdev_priv(dev);
struct ip_tunnel_parm p;
- struct net *net = dev_net(dev);
+ struct net *net = t->net;
struct sit_net *sitn = net_generic(net, sit_net_id);
#ifdef CONFIG_IPV6_SIT_6RD
struct ip_tunnel_6rd ip6rd;
@@ -1391,6 +1478,8 @@ static size_t ipip6_get_size(const struct net_device *dev)
nla_total_size(1) +
/* IFLA_IPTUN_FLAGS */
nla_total_size(2) +
+ /* IFLA_IPTUN_PROTO */
+ nla_total_size(1) +
#ifdef CONFIG_IPV6_SIT_6RD
/* IFLA_IPTUN_6RD_PREFIX */
nla_total_size(sizeof(struct in6_addr)) +
@@ -1416,6 +1505,7 @@ static int ipip6_fill_info(struct sk_buff *skb, const struct net_device *dev)
nla_put_u8(skb, IFLA_IPTUN_TOS, parm->iph.tos) ||
nla_put_u8(skb, IFLA_IPTUN_PMTUDISC,
!!(parm->iph.frag_off & htons(IP_DF))) ||
+ nla_put_u8(skb, IFLA_IPTUN_PROTO, parm->iph.protocol) ||
nla_put_be16(skb, IFLA_IPTUN_FLAGS, parm->i_flags))
goto nla_put_failure;
@@ -1445,6 +1535,7 @@ static const struct nla_policy ipip6_policy[IFLA_IPTUN_MAX + 1] = {
[IFLA_IPTUN_TOS] = { .type = NLA_U8 },
[IFLA_IPTUN_PMTUDISC] = { .type = NLA_U8 },
[IFLA_IPTUN_FLAGS] = { .type = NLA_U16 },
+ [IFLA_IPTUN_PROTO] = { .type = NLA_U8 },
#ifdef CONFIG_IPV6_SIT_6RD
[IFLA_IPTUN_6RD_PREFIX] = { .len = sizeof(struct in6_addr) },
[IFLA_IPTUN_6RD_RELAY_PREFIX] = { .type = NLA_U32 },
@@ -1459,6 +1550,7 @@ static struct rtnl_link_ops sit_link_ops __read_mostly = {
.policy = ipip6_policy,
.priv_size = sizeof(struct ip_tunnel),
.setup = ipip6_tunnel_setup,
+ .validate = ipip6_validate,
.newlink = ipip6_newlink,
.changelink = ipip6_changelink,
.get_size = ipip6_get_size,
@@ -1471,10 +1563,22 @@ static struct xfrm_tunnel sit_handler __read_mostly = {
.priority = 1,
};
+static struct xfrm_tunnel ipip_handler __read_mostly = {
+ .handler = ipip_rcv,
+ .err_handler = ipip6_err,
+ .priority = 2,
+};
+
static void __net_exit sit_destroy_tunnels(struct sit_net *sitn, struct list_head *head)
{
+ struct net *net = dev_net(sitn->fb_tunnel_dev);
+ struct net_device *dev, *aux;
int prio;
+ for_each_netdev_safe(net, dev, aux)
+ if (dev->rtnl_link_ops == &sit_link_ops)
+ unregister_netdevice_queue(dev, head);
+
for (prio = 1; prio < 4; prio++) {
int h;
for (h = 0; h < HASH_SIZE; h++) {
@@ -1482,7 +1586,12 @@ static void __net_exit sit_destroy_tunnels(struct sit_net *sitn, struct list_hea
t = rtnl_dereference(sitn->tunnels[prio][h]);
while (t != NULL) {
- unregister_netdevice_queue(t->dev, head);
+ /* If dev is in the same netns, it has already
+ * been added to the list by the previous loop.
+ */
+ if (dev_net(t->dev) != net)
+ unregister_netdevice_queue(t->dev,
+ head);
t = rtnl_dereference(t->next);
}
}
@@ -1507,6 +1616,10 @@ static int __net_init sit_init_net(struct net *net)
goto err_alloc_dev;
}
dev_net_set(sitn->fb_tunnel_dev, net);
+ /* FB netdevice is special: we have one, and only one per netns.
+ * Allowing to move it to another netns is clearly unsafe.
+ */
+ sitn->fb_tunnel_dev->features |= NETIF_F_NETNS_LOCAL;
err = ipip6_fb_tunnel_init(sitn->fb_tunnel_dev);
if (err)
@@ -1553,6 +1666,7 @@ static void __exit sit_cleanup(void)
{
rtnl_link_unregister(&sit_link_ops);
xfrm4_tunnel_deregister(&sit_handler, AF_INET6);
+ xfrm4_tunnel_deregister(&ipip_handler, AF_INET);
unregister_pernet_device(&sit_net_ops);
rcu_barrier(); /* Wait for completion of call_rcu()'s */
@@ -1569,9 +1683,14 @@ static int __init sit_init(void)
return err;
err = xfrm4_tunnel_register(&sit_handler, AF_INET6);
if (err < 0) {
- pr_info("%s: can't add protocol\n", __func__);
+ pr_info("%s: can't register ip6ip4\n", __func__);
goto xfrm_tunnel_failed;
}
+ err = xfrm4_tunnel_register(&ipip_handler, AF_INET);
+ if (err < 0) {
+ pr_info("%s: can't register ip4ip4\n", __func__);
+ goto xfrm_tunnel4_failed;
+ }
err = rtnl_link_register(&sit_link_ops);
if (err < 0)
goto rtnl_link_failed;
@@ -1580,6 +1699,8 @@ out:
return err;
rtnl_link_failed:
+ xfrm4_tunnel_deregister(&ipip_handler, AF_INET);
+xfrm_tunnel4_failed:
xfrm4_tunnel_deregister(&sit_handler, AF_INET6);
xfrm_tunnel_failed:
unregister_pernet_device(&sit_net_ops);
diff --git a/net/ipv6/sysctl_net_ipv6.c b/net/ipv6/sysctl_net_ipv6.c
index e85c48bd404f..107b2f1d90ae 100644
--- a/net/ipv6/sysctl_net_ipv6.c
+++ b/net/ipv6/sysctl_net_ipv6.c
@@ -16,7 +16,7 @@
#include <net/addrconf.h>
#include <net/inet_frag.h>
-static ctl_table ipv6_table_template[] = {
+static struct ctl_table ipv6_table_template[] = {
{
.procname = "bindv6only",
.data = &init_net.ipv6.sysctl.bindv6only,
@@ -27,7 +27,7 @@ static ctl_table ipv6_table_template[] = {
{ }
};
-static ctl_table ipv6_rotable[] = {
+static struct ctl_table ipv6_rotable[] = {
{
.procname = "mld_max_msf",
.data = &sysctl_mld_max_msf,
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 0a17ed9eaf39..5cffa5c3e6b8 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -63,6 +63,7 @@
#include <net/inet_common.h>
#include <net/secure_seq.h>
#include <net/tcp_memcontrol.h>
+#include <net/ll_poll.h>
#include <asm/uaccess.h>
@@ -1498,6 +1499,7 @@ process:
if (sk_filter(sk, skb))
goto discard_and_relse;
+ sk_mark_ll(sk, skb);
skb->dev = NULL;
bh_lock_sock_nested(sk);
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 42923b14dfa6..b6f31437a1f8 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -46,6 +46,7 @@
#include <net/ip6_checksum.h>
#include <net/xfrm.h>
#include <net/inet6_hashtables.h>
+#include <net/ll_poll.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
@@ -841,7 +842,10 @@ int __udp6_lib_rcv(struct sk_buff *skb, struct udp_table *udptable,
*/
sk = __udp6_lib_lookup_skb(skb, uh->source, uh->dest, udptable);
if (sk != NULL) {
- int ret = udpv6_queue_rcv_skb(sk, skb);
+ int ret;
+
+ sk_mark_ll(sk, skb);
+ ret = udpv6_queue_rcv_skb(sk, skb);
sock_put(sk);
/* a return value > 0 means to resubmit the input, but
@@ -955,11 +959,16 @@ static int udp_v6_push_pending_frames(struct sock *sk)
struct udphdr *uh;
struct udp_sock *up = udp_sk(sk);
struct inet_sock *inet = inet_sk(sk);
- struct flowi6 *fl6 = &inet->cork.fl.u.ip6;
+ struct flowi6 *fl6;
int err = 0;
int is_udplite = IS_UDPLITE(sk);
__wsum csum = 0;
+ if (up->pending == AF_INET)
+ return udp_push_pending_frames(sk);
+
+ fl6 = &inet->cork.fl.u.ip6;
+
/* Grab the skbuff where UDP header space exists. */
if ((skb = skb_peek(&sk->sk_write_queue)) == NULL)
goto out;
@@ -1359,48 +1368,17 @@ static const struct inet6_protocol udpv6_protocol = {
/* ------------------------------------------------------------------------ */
#ifdef CONFIG_PROC_FS
-
-static void udp6_sock_seq_show(struct seq_file *seq, struct sock *sp, int bucket)
-{
- struct inet_sock *inet = inet_sk(sp);
- struct ipv6_pinfo *np = inet6_sk(sp);
- const struct in6_addr *dest, *src;
- __u16 destp, srcp;
-
- dest = &np->daddr;
- src = &np->rcv_saddr;
- destp = ntohs(inet->inet_dport);
- srcp = ntohs(inet->inet_sport);
- seq_printf(seq,
- "%5d: %08X%08X%08X%08X:%04X %08X%08X%08X%08X:%04X "
- "%02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %pK %d\n",
- bucket,
- src->s6_addr32[0], src->s6_addr32[1],
- src->s6_addr32[2], src->s6_addr32[3], srcp,
- dest->s6_addr32[0], dest->s6_addr32[1],
- dest->s6_addr32[2], dest->s6_addr32[3], destp,
- sp->sk_state,
- sk_wmem_alloc_get(sp),
- sk_rmem_alloc_get(sp),
- 0, 0L, 0,
- from_kuid_munged(seq_user_ns(seq), sock_i_uid(sp)),
- 0,
- sock_i_ino(sp),
- atomic_read(&sp->sk_refcnt), sp,
- atomic_read(&sp->sk_drops));
-}
-
int udp6_seq_show(struct seq_file *seq, void *v)
{
- if (v == SEQ_START_TOKEN)
- seq_printf(seq,
- " sl "
- "local_address "
- "remote_address "
- "st tx_queue rx_queue tr tm->when retrnsmt"
- " uid timeout inode ref pointer drops\n");
- else
- udp6_sock_seq_show(seq, v, ((struct udp_iter_state *)seq->private)->bucket);
+ if (v == SEQ_START_TOKEN) {
+ seq_puts(seq, IPV6_SEQ_DGRAM_HEADER);
+ } else {
+ int bucket = ((struct udp_iter_state *)seq->private)->bucket;
+ struct inet_sock *inet = inet_sk(v);
+ __u16 srcp = ntohs(inet->inet_sport);
+ __u16 destp = ntohs(inet->inet_dport);
+ ip6_dgram_sock_seq_show(seq, v, srcp, destp, bucket);
+ }
return 0;
}
diff --git a/net/ipv6/udp_offload.c b/net/ipv6/udp_offload.c
index d3cfaf9c7a08..5d1b8d7ac993 100644
--- a/net/ipv6/udp_offload.c
+++ b/net/ipv6/udp_offload.c
@@ -64,7 +64,8 @@ static struct sk_buff *udp6_ufo_fragment(struct sk_buff *skb,
if (unlikely(type & ~(SKB_GSO_UDP |
SKB_GSO_DODGY |
SKB_GSO_UDP_TUNNEL |
- SKB_GSO_GRE) ||
+ SKB_GSO_GRE |
+ SKB_GSO_MPLS) ||
!(type & (SKB_GSO_UDP))))
goto out;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 05:02:13 +0000