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-rw-r--r--net/ipv6/addrconf.c174
-rw-r--r--net/ipv6/af_inet6.c2
-rw-r--r--net/ipv6/icmp.c13
-rw-r--r--net/ipv6/inet6_connection_sock.c2
-rw-r--r--net/ipv6/ip6_output.c131
-rw-r--r--net/ipv6/mcast.c10
-rw-r--r--net/ipv6/netfilter/ip6_tables.c34
-rw-r--r--net/ipv6/route.c7
-rw-r--r--net/ipv6/tcp_ipv6.c8
-rw-r--r--net/ipv6/udp.c2
-rw-r--r--net/ipv6/xfrm6_output.c2
11 files changed, 312 insertions, 73 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 2316a4315a18..0c5042e7380d 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -1869,15 +1869,21 @@ err_exit:
/*
* Manual configuration of address on an interface
*/
-static int inet6_addr_add(int ifindex, struct in6_addr *pfx, int plen)
+static int inet6_addr_add(int ifindex, struct in6_addr *pfx, int plen,
+ __u32 prefered_lft, __u32 valid_lft)
{
struct inet6_ifaddr *ifp;
struct inet6_dev *idev;
struct net_device *dev;
+ __u8 ifa_flags = 0;
int scope;
ASSERT_RTNL();
+ /* check the lifetime */
+ if (!valid_lft || prefered_lft > valid_lft)
+ return -EINVAL;
+
if ((dev = __dev_get_by_index(ifindex)) == NULL)
return -ENODEV;
@@ -1889,10 +1895,29 @@ static int inet6_addr_add(int ifindex, struct in6_addr *pfx, int plen)
scope = ipv6_addr_scope(pfx);
- ifp = ipv6_add_addr(idev, pfx, plen, scope, IFA_F_PERMANENT);
+ if (valid_lft == INFINITY_LIFE_TIME)
+ ifa_flags |= IFA_F_PERMANENT;
+ else if (valid_lft >= 0x7FFFFFFF/HZ)
+ valid_lft = 0x7FFFFFFF/HZ;
+
+ if (prefered_lft == 0)
+ ifa_flags |= IFA_F_DEPRECATED;
+ else if ((prefered_lft >= 0x7FFFFFFF/HZ) &&
+ (prefered_lft != INFINITY_LIFE_TIME))
+ prefered_lft = 0x7FFFFFFF/HZ;
+
+ ifp = ipv6_add_addr(idev, pfx, plen, scope, ifa_flags);
+
if (!IS_ERR(ifp)) {
+ spin_lock_bh(&ifp->lock);
+ ifp->valid_lft = valid_lft;
+ ifp->prefered_lft = prefered_lft;
+ ifp->tstamp = jiffies;
+ spin_unlock_bh(&ifp->lock);
+
addrconf_dad_start(ifp, 0);
in6_ifa_put(ifp);
+ addrconf_verify(0);
return 0;
}
@@ -1945,7 +1970,8 @@ int addrconf_add_ifaddr(void __user *arg)
return -EFAULT;
rtnl_lock();
- err = inet6_addr_add(ireq.ifr6_ifindex, &ireq.ifr6_addr, ireq.ifr6_prefixlen);
+ err = inet6_addr_add(ireq.ifr6_ifindex, &ireq.ifr6_addr, ireq.ifr6_prefixlen,
+ INFINITY_LIFE_TIME, INFINITY_LIFE_TIME);
rtnl_unlock();
return err;
}
@@ -2771,12 +2797,16 @@ restart:
ifp->idev->nd_parms->retrans_time / HZ;
#endif
- if (age >= ifp->valid_lft) {
+ if (ifp->valid_lft != INFINITY_LIFE_TIME &&
+ age >= ifp->valid_lft) {
spin_unlock(&ifp->lock);
in6_ifa_hold(ifp);
read_unlock(&addrconf_hash_lock);
ipv6_del_addr(ifp);
goto restart;
+ } else if (ifp->prefered_lft == INFINITY_LIFE_TIME) {
+ spin_unlock(&ifp->lock);
+ continue;
} else if (age >= ifp->prefered_lft) {
/* jiffies - ifp->tsamp > age >= ifp->prefered_lft */
int deprecate = 0;
@@ -2853,7 +2883,8 @@ inet6_rtm_deladdr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
pfx = RTA_DATA(rta[IFA_ADDRESS-1]);
}
if (rta[IFA_LOCAL-1]) {
- if (pfx && memcmp(pfx, RTA_DATA(rta[IFA_LOCAL-1]), sizeof(*pfx)))
+ if (RTA_PAYLOAD(rta[IFA_LOCAL-1]) < sizeof(*pfx) ||
+ (pfx && memcmp(pfx, RTA_DATA(rta[IFA_LOCAL-1]), sizeof(*pfx))))
return -EINVAL;
pfx = RTA_DATA(rta[IFA_LOCAL-1]);
}
@@ -2864,11 +2895,61 @@ inet6_rtm_deladdr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
}
static int
+inet6_addr_modify(int ifindex, struct in6_addr *pfx,
+ __u32 prefered_lft, __u32 valid_lft)
+{
+ struct inet6_ifaddr *ifp = NULL;
+ struct net_device *dev;
+ int ifa_flags = 0;
+
+ if ((dev = __dev_get_by_index(ifindex)) == NULL)
+ return -ENODEV;
+
+ if (!(dev->flags&IFF_UP))
+ return -ENETDOWN;
+
+ if (!valid_lft || (prefered_lft > valid_lft))
+ return -EINVAL;
+
+ ifp = ipv6_get_ifaddr(pfx, dev, 1);
+ if (ifp == NULL)
+ return -ENOENT;
+
+ if (valid_lft == INFINITY_LIFE_TIME)
+ ifa_flags = IFA_F_PERMANENT;
+ else if (valid_lft >= 0x7FFFFFFF/HZ)
+ valid_lft = 0x7FFFFFFF/HZ;
+
+ if (prefered_lft == 0)
+ ifa_flags = IFA_F_DEPRECATED;
+ else if ((prefered_lft >= 0x7FFFFFFF/HZ) &&
+ (prefered_lft != INFINITY_LIFE_TIME))
+ prefered_lft = 0x7FFFFFFF/HZ;
+
+ spin_lock_bh(&ifp->lock);
+ ifp->flags = (ifp->flags & ~(IFA_F_DEPRECATED|IFA_F_PERMANENT)) | ifa_flags;
+
+ ifp->tstamp = jiffies;
+ ifp->valid_lft = valid_lft;
+ ifp->prefered_lft = prefered_lft;
+
+ spin_unlock_bh(&ifp->lock);
+ if (!(ifp->flags&IFA_F_TENTATIVE))
+ ipv6_ifa_notify(0, ifp);
+ in6_ifa_put(ifp);
+
+ addrconf_verify(0);
+
+ return 0;
+}
+
+static int
inet6_rtm_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
{
struct rtattr **rta = arg;
struct ifaddrmsg *ifm = NLMSG_DATA(nlh);
struct in6_addr *pfx;
+ __u32 valid_lft = INFINITY_LIFE_TIME, prefered_lft = INFINITY_LIFE_TIME;
pfx = NULL;
if (rta[IFA_ADDRESS-1]) {
@@ -2877,14 +2958,34 @@ inet6_rtm_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
pfx = RTA_DATA(rta[IFA_ADDRESS-1]);
}
if (rta[IFA_LOCAL-1]) {
- if (pfx && memcmp(pfx, RTA_DATA(rta[IFA_LOCAL-1]), sizeof(*pfx)))
+ if (RTA_PAYLOAD(rta[IFA_LOCAL-1]) < sizeof(*pfx) ||
+ (pfx && memcmp(pfx, RTA_DATA(rta[IFA_LOCAL-1]), sizeof(*pfx))))
return -EINVAL;
pfx = RTA_DATA(rta[IFA_LOCAL-1]);
}
if (pfx == NULL)
return -EINVAL;
- return inet6_addr_add(ifm->ifa_index, pfx, ifm->ifa_prefixlen);
+ if (rta[IFA_CACHEINFO-1]) {
+ struct ifa_cacheinfo *ci;
+ if (RTA_PAYLOAD(rta[IFA_CACHEINFO-1]) < sizeof(*ci))
+ return -EINVAL;
+ ci = RTA_DATA(rta[IFA_CACHEINFO-1]);
+ valid_lft = ci->ifa_valid;
+ prefered_lft = ci->ifa_prefered;
+ }
+
+ if (nlh->nlmsg_flags & NLM_F_REPLACE) {
+ int ret;
+ ret = inet6_addr_modify(ifm->ifa_index, pfx,
+ prefered_lft, valid_lft);
+ if (ret == 0 || !(nlh->nlmsg_flags & NLM_F_CREATE))
+ return ret;
+ }
+
+ return inet6_addr_add(ifm->ifa_index, pfx, ifm->ifa_prefixlen,
+ prefered_lft, valid_lft);
+
}
/* Maximum length of ifa_cacheinfo attributes */
@@ -3121,6 +3222,62 @@ static int inet6_dump_ifacaddr(struct sk_buff *skb, struct netlink_callback *cb)
return inet6_dump_addr(skb, cb, type);
}
+static int inet6_rtm_getaddr(struct sk_buff *in_skb,
+ struct nlmsghdr* nlh, void *arg)
+{
+ struct rtattr **rta = arg;
+ struct ifaddrmsg *ifm = NLMSG_DATA(nlh);
+ struct in6_addr *addr = NULL;
+ struct net_device *dev = NULL;
+ struct inet6_ifaddr *ifa;
+ struct sk_buff *skb;
+ int size = NLMSG_SPACE(sizeof(struct ifaddrmsg) + INET6_IFADDR_RTA_SPACE);
+ int err;
+
+ if (rta[IFA_ADDRESS-1]) {
+ if (RTA_PAYLOAD(rta[IFA_ADDRESS-1]) < sizeof(*addr))
+ return -EINVAL;
+ addr = RTA_DATA(rta[IFA_ADDRESS-1]);
+ }
+ if (rta[IFA_LOCAL-1]) {
+ if (RTA_PAYLOAD(rta[IFA_LOCAL-1]) < sizeof(*addr) ||
+ (addr && memcmp(addr, RTA_DATA(rta[IFA_LOCAL-1]), sizeof(*addr))))
+ return -EINVAL;
+ addr = RTA_DATA(rta[IFA_LOCAL-1]);
+ }
+ if (addr == NULL)
+ return -EINVAL;
+
+ if (ifm->ifa_index)
+ dev = __dev_get_by_index(ifm->ifa_index);
+
+ if ((ifa = ipv6_get_ifaddr(addr, dev, 1)) == NULL)
+ return -EADDRNOTAVAIL;
+
+ if ((skb = alloc_skb(size, GFP_KERNEL)) == NULL) {
+ err = -ENOBUFS;
+ goto out;
+ }
+
+ NETLINK_CB(skb).dst_pid = NETLINK_CB(in_skb).pid;
+ err = inet6_fill_ifaddr(skb, ifa, NETLINK_CB(in_skb).pid,
+ nlh->nlmsg_seq, RTM_NEWADDR, 0);
+ if (err < 0) {
+ err = -EMSGSIZE;
+ goto out_free;
+ }
+
+ err = netlink_unicast(rtnl, skb, NETLINK_CB(in_skb).pid, MSG_DONTWAIT);
+ if (err > 0)
+ err = 0;
+out:
+ in6_ifa_put(ifa);
+ return err;
+out_free:
+ kfree_skb(skb);
+ goto out;
+}
+
static void inet6_ifa_notify(int event, struct inet6_ifaddr *ifa)
{
struct sk_buff *skb;
@@ -3363,7 +3520,8 @@ static struct rtnetlink_link inet6_rtnetlink_table[RTM_NR_MSGTYPES] = {
[RTM_GETLINK - RTM_BASE] = { .dumpit = inet6_dump_ifinfo, },
[RTM_NEWADDR - RTM_BASE] = { .doit = inet6_rtm_newaddr, },
[RTM_DELADDR - RTM_BASE] = { .doit = inet6_rtm_deladdr, },
- [RTM_GETADDR - RTM_BASE] = { .dumpit = inet6_dump_ifaddr, },
+ [RTM_GETADDR - RTM_BASE] = { .doit = inet6_rtm_getaddr,
+ .dumpit = inet6_dump_ifaddr, },
[RTM_GETMULTICAST - RTM_BASE] = { .dumpit = inet6_dump_ifmcaddr, },
[RTM_GETANYCAST - RTM_BASE] = { .dumpit = inet6_dump_ifacaddr, },
[RTM_NEWROUTE - RTM_BASE] = { .doit = inet6_rtm_newroute, },
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index 5a0ba58b86cc..ac85e9c532c2 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -658,7 +658,7 @@ int inet6_sk_rebuild_header(struct sock *sk)
return err;
}
- ip6_dst_store(sk, dst, NULL);
+ __ip6_dst_store(sk, dst, NULL);
}
return 0;
diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index 1044b6fce0d5..3d6e9a351150 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -712,6 +712,11 @@ discard_it:
return 0;
}
+/*
+ * Special lock-class for __icmpv6_socket:
+ */
+static struct lock_class_key icmpv6_socket_sk_dst_lock_key;
+
int __init icmpv6_init(struct net_proto_family *ops)
{
struct sock *sk;
@@ -730,6 +735,14 @@ int __init icmpv6_init(struct net_proto_family *ops)
sk = per_cpu(__icmpv6_socket, i)->sk;
sk->sk_allocation = GFP_ATOMIC;
+ /*
+ * Split off their lock-class, because sk->sk_dst_lock
+ * gets used from softirqs, which is safe for
+ * __icmpv6_socket (because those never get directly used
+ * via userspace syscalls), but unsafe for normal sockets.
+ */
+ lockdep_set_class(&sk->sk_dst_lock,
+ &icmpv6_socket_sk_dst_lock_key);
/* Enough space for 2 64K ICMP packets, including
* sk_buff struct overhead.
diff --git a/net/ipv6/inet6_connection_sock.c b/net/ipv6/inet6_connection_sock.c
index 5c950cc79d80..bf491077b822 100644
--- a/net/ipv6/inet6_connection_sock.c
+++ b/net/ipv6/inet6_connection_sock.c
@@ -185,7 +185,7 @@ int inet6_csk_xmit(struct sk_buff *skb, int ipfragok)
return err;
}
- ip6_dst_store(sk, dst, NULL);
+ __ip6_dst_store(sk, dst, NULL);
}
skb->dst = dst_clone(dst);
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 3bc74ce78800..4fb47a252913 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -356,6 +356,7 @@ int ip6_forward(struct sk_buff *skb)
skb->dev = dst->dev;
icmpv6_send(skb, ICMPV6_TIME_EXCEED, ICMPV6_EXC_HOPLIMIT,
0, skb->dev);
+ IP6_INC_STATS_BH(IPSTATS_MIB_INHDRERRORS);
kfree_skb(skb);
return -ETIMEDOUT;
@@ -595,6 +596,9 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
}
err = output(skb);
+ if(!err)
+ IP6_INC_STATS(IPSTATS_MIB_FRAGCREATES);
+
if (err || !frag)
break;
@@ -706,12 +710,11 @@ slow_path:
/*
* Put this fragment into the sending queue.
*/
-
- IP6_INC_STATS(IPSTATS_MIB_FRAGCREATES);
-
err = output(frag);
if (err)
goto fail;
+
+ IP6_INC_STATS(IPSTATS_MIB_FRAGCREATES);
}
kfree_skb(skb);
IP6_INC_STATS(IPSTATS_MIB_FRAGOKS);
@@ -723,48 +726,51 @@ fail:
return err;
}
-int ip6_dst_lookup(struct sock *sk, struct dst_entry **dst, struct flowi *fl)
+static struct dst_entry *ip6_sk_dst_check(struct sock *sk,
+ struct dst_entry *dst,
+ struct flowi *fl)
{
- int err = 0;
+ struct ipv6_pinfo *np = inet6_sk(sk);
+ struct rt6_info *rt = (struct rt6_info *)dst;
- *dst = NULL;
- if (sk) {
- struct ipv6_pinfo *np = inet6_sk(sk);
-
- *dst = sk_dst_check(sk, np->dst_cookie);
- if (*dst) {
- struct rt6_info *rt = (struct rt6_info*)*dst;
-
- /* Yes, checking route validity in not connected
- * case is not very simple. Take into account,
- * that we do not support routing by source, TOS,
- * and MSG_DONTROUTE --ANK (980726)
- *
- * 1. If route was host route, check that
- * cached destination is current.
- * If it is network route, we still may
- * check its validity using saved pointer
- * to the last used address: daddr_cache.
- * We do not want to save whole address now,
- * (because main consumer of this service
- * is tcp, which has not this problem),
- * so that the last trick works only on connected
- * sockets.
- * 2. oif also should be the same.
- */
- if (((rt->rt6i_dst.plen != 128 ||
- !ipv6_addr_equal(&fl->fl6_dst,
- &rt->rt6i_dst.addr))
- && (np->daddr_cache == NULL ||
- !ipv6_addr_equal(&fl->fl6_dst,
- np->daddr_cache)))
- || (fl->oif && fl->oif != (*dst)->dev->ifindex)) {
- dst_release(*dst);
- *dst = NULL;
- }
- }
+ if (!dst)
+ goto out;
+
+ /* Yes, checking route validity in not connected
+ * case is not very simple. Take into account,
+ * that we do not support routing by source, TOS,
+ * and MSG_DONTROUTE --ANK (980726)
+ *
+ * 1. If route was host route, check that
+ * cached destination is current.
+ * If it is network route, we still may
+ * check its validity using saved pointer
+ * to the last used address: daddr_cache.
+ * We do not want to save whole address now,
+ * (because main consumer of this service
+ * is tcp, which has not this problem),
+ * so that the last trick works only on connected
+ * sockets.
+ * 2. oif also should be the same.
+ */
+ if (((rt->rt6i_dst.plen != 128 ||
+ !ipv6_addr_equal(&fl->fl6_dst, &rt->rt6i_dst.addr))
+ && (np->daddr_cache == NULL ||
+ !ipv6_addr_equal(&fl->fl6_dst, np->daddr_cache)))
+ || (fl->oif && fl->oif != dst->dev->ifindex)) {
+ dst_release(dst);
+ dst = NULL;
}
+out:
+ return dst;
+}
+
+static int ip6_dst_lookup_tail(struct sock *sk,
+ struct dst_entry **dst, struct flowi *fl)
+{
+ int err;
+
if (*dst == NULL)
*dst = ip6_route_output(sk, fl);
@@ -773,7 +779,6 @@ int ip6_dst_lookup(struct sock *sk, struct dst_entry **dst, struct flowi *fl)
if (ipv6_addr_any(&fl->fl6_src)) {
err = ipv6_get_saddr(*dst, &fl->fl6_dst, &fl->fl6_src);
-
if (err)
goto out_err_release;
}
@@ -786,8 +791,48 @@ out_err_release:
return err;
}
+/**
+ * ip6_dst_lookup - perform route lookup on flow
+ * @sk: socket which provides route info
+ * @dst: pointer to dst_entry * for result
+ * @fl: flow to lookup
+ *
+ * This function performs a route lookup on the given flow.
+ *
+ * It returns zero on success, or a standard errno code on error.
+ */
+int ip6_dst_lookup(struct sock *sk, struct dst_entry **dst, struct flowi *fl)
+{
+ *dst = NULL;
+ return ip6_dst_lookup_tail(sk, dst, fl);
+}
EXPORT_SYMBOL_GPL(ip6_dst_lookup);
+/**
+ * ip6_sk_dst_lookup - perform socket cached route lookup on flow
+ * @sk: socket which provides the dst cache and route info
+ * @dst: pointer to dst_entry * for result
+ * @fl: flow to lookup
+ *
+ * This function performs a route lookup on the given flow with the
+ * possibility of using the cached route in the socket if it is valid.
+ * It will take the socket dst lock when operating on the dst cache.
+ * As a result, this function can only be used in process context.
+ *
+ * It returns zero on success, or a standard errno code on error.
+ */
+int ip6_sk_dst_lookup(struct sock *sk, struct dst_entry **dst, struct flowi *fl)
+{
+ *dst = NULL;
+ if (sk) {
+ *dst = sk_dst_check(sk, inet6_sk(sk)->dst_cookie);
+ *dst = ip6_sk_dst_check(sk, *dst, fl);
+ }
+
+ return ip6_dst_lookup_tail(sk, dst, fl);
+}
+EXPORT_SYMBOL_GPL(ip6_sk_dst_lookup);
+
static inline int ip6_ufo_append_data(struct sock *sk,
int getfrag(void *from, char *to, int offset, int len,
int odd, struct sk_buff *skb),
@@ -1050,7 +1095,7 @@ alloc_new_skb:
skb_prev->csum = csum_sub(skb_prev->csum,
skb->csum);
data += fraggap;
- skb_trim(skb_prev, maxfraglen);
+ pskb_trim_unique(skb_prev, maxfraglen);
}
copy = datalen - transhdrlen - fraggap;
if (copy < 0) {
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index 9d697d4dcffc..639eb20c9f1f 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -268,13 +268,14 @@ int ipv6_sock_mc_drop(struct sock *sk, int ifindex, struct in6_addr *addr)
if ((dev = dev_get_by_index(mc_lst->ifindex)) != NULL) {
struct inet6_dev *idev = in6_dev_get(dev);
+ (void) ip6_mc_leave_src(sk, mc_lst, idev);
if (idev) {
- (void) ip6_mc_leave_src(sk,mc_lst,idev);
__ipv6_dev_mc_dec(idev, &mc_lst->addr);
in6_dev_put(idev);
}
dev_put(dev);
- }
+ } else
+ (void) ip6_mc_leave_src(sk, mc_lst, NULL);
sock_kfree_s(sk, mc_lst, sizeof(*mc_lst));
return 0;
}
@@ -334,13 +335,14 @@ void ipv6_sock_mc_close(struct sock *sk)
if (dev) {
struct inet6_dev *idev = in6_dev_get(dev);
+ (void) ip6_mc_leave_src(sk, mc_lst, idev);
if (idev) {
- (void) ip6_mc_leave_src(sk, mc_lst, idev);
__ipv6_dev_mc_dec(idev, &mc_lst->addr);
in6_dev_put(idev);
}
dev_put(dev);
- }
+ } else
+ (void) ip6_mc_leave_src(sk, mc_lst, NULL);
sock_kfree_s(sk, mc_lst, sizeof(*mc_lst));
diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c
index f26898b00347..c9d6b23cd3f7 100644
--- a/net/ipv6/netfilter/ip6_tables.c
+++ b/net/ipv6/netfilter/ip6_tables.c
@@ -1398,23 +1398,39 @@ static int __init ip6_tables_init(void)
{
int ret;
- xt_proto_init(AF_INET6);
+ ret = xt_proto_init(AF_INET6);
+ if (ret < 0)
+ goto err1;
/* Noone else will be downing sem now, so we won't sleep */
- xt_register_target(&ip6t_standard_target);
- xt_register_target(&ip6t_error_target);
- xt_register_match(&icmp6_matchstruct);
+ ret = xt_register_target(&ip6t_standard_target);
+ if (ret < 0)
+ goto err2;
+ ret = xt_register_target(&ip6t_error_target);
+ if (ret < 0)
+ goto err3;
+ ret = xt_register_match(&icmp6_matchstruct);
+ if (ret < 0)
+ goto err4;
/* Register setsockopt */
ret = nf_register_sockopt(&ip6t_sockopts);
- if (ret < 0) {
- duprintf("Unable to register sockopts.\n");
- xt_proto_fini(AF_INET6);
- return ret;
- }
+ if (ret < 0)
+ goto err5;
printk("ip6_tables: (C) 2000-2006 Netfilter Core Team\n");
return 0;
+
+err5:
+ xt_unregister_match(&icmp6_matchstruct);
+err4:
+ xt_unregister_target(&ip6t_error_target);
+err3:
+ xt_unregister_target(&ip6t_standard_target);
+err2:
+ xt_proto_fini(AF_INET6);
+err1:
+ return ret;
}
static void __exit ip6_tables_fini(void)
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 87c39c978cd0..4b163711f3a8 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -53,6 +53,7 @@
#include <linux/rtnetlink.h>
#include <net/dst.h>
#include <net/xfrm.h>
+#include <net/netevent.h>
#include <asm/uaccess.h>
@@ -742,6 +743,7 @@ static void ip6_rt_update_pmtu(struct dst_entry *dst, u32 mtu)
dst->metrics[RTAX_FEATURES-1] |= RTAX_FEATURE_ALLFRAG;
}
dst->metrics[RTAX_MTU-1] = mtu;
+ call_netevent_notifiers(NETEVENT_PMTU_UPDATE, dst);
}
}
@@ -1155,6 +1157,7 @@ void rt6_redirect(struct in6_addr *dest, struct in6_addr *saddr,
struct rt6_info *rt, *nrt = NULL;
int strict;
struct fib6_node *fn;
+ struct netevent_redirect netevent;
/*
* Get the "current" route for this destination and
@@ -1252,6 +1255,10 @@ restart:
if (ip6_ins_rt(nrt, NULL, NULL, NULL))
goto out;
+ netevent.old = &rt->u.dst;
+ netevent.new = &nrt->u.dst;
+ call_netevent_notifiers(NETEVENT_REDIRECT, &netevent);
+
if (rt->rt6i_flags&RTF_CACHE) {
ip6_del_rt(rt, NULL, NULL, NULL);
return;
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 923989d0520d..802a1a6b1037 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -270,7 +270,7 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
inet->rcv_saddr = LOOPBACK4_IPV6;
sk->sk_gso_type = SKB_GSO_TCPV6;
- ip6_dst_store(sk, dst, NULL);
+ __ip6_dst_store(sk, dst, NULL);
icsk->icsk_ext_hdr_len = 0;
if (np->opt)
@@ -427,7 +427,6 @@ static void tcp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
case TCP_SYN_RECV: /* Cannot happen.
It can, it SYNs are crossed. --ANK */
if (!sock_owned_by_user(sk)) {
- TCP_INC_STATS_BH(TCP_MIB_ATTEMPTFAILS);
sk->sk_err = err;
sk->sk_error_report(sk); /* Wake people up to see the error (see connect in sock.c) */
@@ -831,7 +830,6 @@ drop:
if (req)
reqsk_free(req);
- TCP_INC_STATS_BH(TCP_MIB_ATTEMPTFAILS);
return 0; /* don't send reset */
}
@@ -946,8 +944,8 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
* comment in that function for the gory details. -acme
*/
- sk->sk_gso_type = SKB_GSO_TCPV6;
- ip6_dst_store(newsk, dst, NULL);
+ newsk->sk_gso_type = SKB_GSO_TCPV6;
+ __ip6_dst_store(newsk, dst, NULL);
newtcp6sk = (struct tcp6_sock *)newsk;
inet_sk(newsk)->pinet6 = &newtcp6sk->inet6;
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index ccc57f434cd3..3d54f246411e 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -782,7 +782,7 @@ do_udp_sendmsg:
connected = 0;
}
- err = ip6_dst_lookup(sk, &dst, fl);
+ err = ip6_sk_dst_lookup(sk, &dst, fl);
if (err)
goto out;
if (final_p)
diff --git a/net/ipv6/xfrm6_output.c b/net/ipv6/xfrm6_output.c
index 0eea60ea9ebc..c8c8b44a0f58 100644
--- a/net/ipv6/xfrm6_output.c
+++ b/net/ipv6/xfrm6_output.c
@@ -125,7 +125,7 @@ static int xfrm6_output_finish(struct sk_buff *skb)
if (!skb_is_gso(skb))
return xfrm6_output_finish2(skb);
- skb->protocol = htons(ETH_P_IP);
+ skb->protocol = htons(ETH_P_IPV6);
segs = skb_gso_segment(skb, 0);
kfree_skb(skb);
if (unlikely(IS_ERR(segs)))
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-15 12:11:01 +0100