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-rw-r--r--net/ipv6/addrconf.c28
-rw-r--r--net/ipv6/ah6.c11
-rw-r--r--net/ipv6/datagram.c16
-rw-r--r--net/ipv6/esp6.c5
-rw-r--r--net/ipv6/icmp.c12
-rw-r--r--net/ipv6/ip6_flowlabel.c4
-rw-r--r--net/ipv6/ip6_gre.c2
-rw-r--r--net/ipv6/ip6_output.c4
-rw-r--r--net/ipv6/ip6mr.c3
-rw-r--r--net/ipv6/ipv6_sockglue.c6
-rw-r--r--net/ipv6/raw.c6
-rw-r--r--net/ipv6/route.c2
-rw-r--r--net/ipv6/tcp_ipv6.c6
-rw-r--r--net/ipv6/udp.c6
14 files changed, 70 insertions, 41 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 408cac4ae00a..1b5d8cb9b123 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -154,6 +154,11 @@ static void addrconf_type_change(struct net_device *dev,
unsigned long event);
static int addrconf_ifdown(struct net_device *dev, int how);
+static struct rt6_info *addrconf_get_prefix_route(const struct in6_addr *pfx,
+ int plen,
+ const struct net_device *dev,
+ u32 flags, u32 noflags);
+
static void addrconf_dad_start(struct inet6_ifaddr *ifp);
static void addrconf_dad_timer(unsigned long data);
static void addrconf_dad_completed(struct inet6_ifaddr *ifp);
@@ -250,12 +255,6 @@ static inline bool addrconf_qdisc_ok(const struct net_device *dev)
return !qdisc_tx_is_noop(dev);
}
-/* Check if a route is valid prefix route */
-static inline int addrconf_is_prefix_route(const struct rt6_info *rt)
-{
- return (rt->rt6i_flags & (RTF_GATEWAY | RTF_DEFAULT)) == 0;
-}
-
static void addrconf_del_timer(struct inet6_ifaddr *ifp)
{
if (del_timer(&ifp->timer))
@@ -941,17 +940,15 @@ static void ipv6_del_addr(struct inet6_ifaddr *ifp)
if ((ifp->flags & IFA_F_PERMANENT) && onlink < 1) {
struct in6_addr prefix;
struct rt6_info *rt;
- struct net *net = dev_net(ifp->idev->dev);
- struct flowi6 fl6 = {};
ipv6_addr_prefix(&prefix, &ifp->addr, ifp->prefix_len);
- fl6.flowi6_oif = ifp->idev->dev->ifindex;
- fl6.daddr = prefix;
- rt = (struct rt6_info *)ip6_route_lookup(net, &fl6,
- RT6_LOOKUP_F_IFACE);
- if (rt != net->ipv6.ip6_null_entry &&
- addrconf_is_prefix_route(rt)) {
+ rt = addrconf_get_prefix_route(&prefix,
+ ifp->prefix_len,
+ ifp->idev->dev,
+ 0, RTF_GATEWAY | RTF_DEFAULT);
+
+ if (rt) {
if (onlink == 0) {
ip6_del_rt(rt);
rt = NULL;
@@ -1663,6 +1660,7 @@ static int addrconf_ifid_eui64(u8 *eui, struct net_device *dev)
if (dev->addr_len != IEEE802154_ADDR_LEN)
return -1;
memcpy(eui, dev->dev_addr, 8);
+ eui[0] ^= 2;
return 0;
}
@@ -1877,7 +1875,7 @@ static struct rt6_info *addrconf_get_prefix_route(const struct in6_addr *pfx,
continue;
if ((rt->rt6i_flags & flags) != flags)
continue;
- if ((noflags != 0) && ((rt->rt6i_flags & flags) != 0))
+ if ((rt->rt6i_flags & noflags) != 0)
continue;
dst_hold(&rt->dst);
break;
diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c
index ecc35b93314b..384233188ac1 100644
--- a/net/ipv6/ah6.c
+++ b/net/ipv6/ah6.c
@@ -472,7 +472,10 @@ static void ah6_input_done(struct crypto_async_request *base, int err)
skb->network_header += ah_hlen;
memcpy(skb_network_header(skb), work_iph, hdr_len);
__skb_pull(skb, ah_hlen + hdr_len);
- skb_set_transport_header(skb, -hdr_len);
+ if (x->props.mode == XFRM_MODE_TUNNEL)
+ skb_reset_transport_header(skb);
+ else
+ skb_set_transport_header(skb, -hdr_len);
out:
kfree(AH_SKB_CB(skb)->tmp);
xfrm_input_resume(skb, err);
@@ -593,9 +596,13 @@ static int ah6_input(struct xfrm_state *x, struct sk_buff *skb)
skb->network_header += ah_hlen;
memcpy(skb_network_header(skb), work_iph, hdr_len);
- skb->transport_header = skb->network_header;
__skb_pull(skb, ah_hlen + hdr_len);
+ if (x->props.mode == XFRM_MODE_TUNNEL)
+ skb_reset_transport_header(skb);
+ else
+ skb_set_transport_header(skb, -hdr_len);
+
err = nexthdr;
out_free:
diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c
index 8edf2601065a..7a778b9a7b85 100644
--- a/net/ipv6/datagram.c
+++ b/net/ipv6/datagram.c
@@ -380,7 +380,7 @@ int ipv6_recv_error(struct sock *sk, struct msghdr *msg, int len)
if (skb->protocol == htons(ETH_P_IPV6)) {
sin->sin6_addr = ipv6_hdr(skb)->saddr;
if (np->rxopt.all)
- datagram_recv_ctl(sk, msg, skb);
+ ip6_datagram_recv_ctl(sk, msg, skb);
if (ipv6_addr_type(&sin->sin6_addr) & IPV6_ADDR_LINKLOCAL)
sin->sin6_scope_id = IP6CB(skb)->iif;
} else {
@@ -468,7 +468,8 @@ out:
}
-int datagram_recv_ctl(struct sock *sk, struct msghdr *msg, struct sk_buff *skb)
+int ip6_datagram_recv_ctl(struct sock *sk, struct msghdr *msg,
+ struct sk_buff *skb)
{
struct ipv6_pinfo *np = inet6_sk(sk);
struct inet6_skb_parm *opt = IP6CB(skb);
@@ -597,11 +598,12 @@ int datagram_recv_ctl(struct sock *sk, struct msghdr *msg, struct sk_buff *skb)
}
return 0;
}
+EXPORT_SYMBOL_GPL(ip6_datagram_recv_ctl);
-int datagram_send_ctl(struct net *net, struct sock *sk,
- struct msghdr *msg, struct flowi6 *fl6,
- struct ipv6_txoptions *opt,
- int *hlimit, int *tclass, int *dontfrag)
+int ip6_datagram_send_ctl(struct net *net, struct sock *sk,
+ struct msghdr *msg, struct flowi6 *fl6,
+ struct ipv6_txoptions *opt,
+ int *hlimit, int *tclass, int *dontfrag)
{
struct in6_pktinfo *src_info;
struct cmsghdr *cmsg;
@@ -871,4 +873,4 @@ int datagram_send_ctl(struct net *net, struct sock *sk,
exit_f:
return err;
}
-EXPORT_SYMBOL_GPL(datagram_send_ctl);
+EXPORT_SYMBOL_GPL(ip6_datagram_send_ctl);
diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c
index 282f3723ee19..40ffd72243a4 100644
--- a/net/ipv6/esp6.c
+++ b/net/ipv6/esp6.c
@@ -300,7 +300,10 @@ static int esp_input_done2(struct sk_buff *skb, int err)
pskb_trim(skb, skb->len - alen - padlen - 2);
__skb_pull(skb, hlen);
- skb_set_transport_header(skb, -hdr_len);
+ if (x->props.mode == XFRM_MODE_TUNNEL)
+ skb_reset_transport_header(skb);
+ else
+ skb_set_transport_header(skb, -hdr_len);
err = nexthdr[1];
diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index b4a9fd51dae7..fff5bdd8b680 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -81,10 +81,22 @@ static inline struct sock *icmpv6_sk(struct net *net)
return net->ipv6.icmp_sk[smp_processor_id()];
}
+static void icmpv6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
+ u8 type, u8 code, int offset, __be32 info)
+{
+ 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);
+}
+
static int icmpv6_rcv(struct sk_buff *skb);
static const struct inet6_protocol icmpv6_protocol = {
.handler = icmpv6_rcv,
+ .err_handler = icmpv6_err,
.flags = INET6_PROTO_NOPOLICY|INET6_PROTO_FINAL,
};
diff --git a/net/ipv6/ip6_flowlabel.c b/net/ipv6/ip6_flowlabel.c
index 29124b7a04c8..d6de4b447250 100644
--- a/net/ipv6/ip6_flowlabel.c
+++ b/net/ipv6/ip6_flowlabel.c
@@ -365,8 +365,8 @@ fl_create(struct net *net, struct sock *sk, struct in6_flowlabel_req *freq,
msg.msg_control = (void*)(fl->opt+1);
memset(&flowi6, 0, sizeof(flowi6));
- err = datagram_send_ctl(net, sk, &msg, &flowi6, fl->opt, &junk,
- &junk, &junk);
+ err = ip6_datagram_send_ctl(net, sk, &msg, &flowi6, fl->opt,
+ &junk, &junk, &junk);
if (err)
goto done;
err = -EINVAL;
diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index c727e4712751..131dd097736d 100644
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -960,7 +960,7 @@ static netdev_tx_t ip6gre_tunnel_xmit(struct sk_buff *skb,
int ret;
if (!ip6_tnl_xmit_ctl(t))
- return -1;
+ goto tx_err;
switch (skb->protocol) {
case htons(ETH_P_IP):
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 5552d13ae92f..0c7c03d50dc0 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -1213,10 +1213,10 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to,
if (dst_allfrag(rt->dst.path))
cork->flags |= IPCORK_ALLFRAG;
cork->length = 0;
- exthdrlen = (opt ? opt->opt_flen : 0) - rt->rt6i_nfheader_len;
+ exthdrlen = (opt ? opt->opt_flen : 0);
length += exthdrlen;
transhdrlen += exthdrlen;
- dst_exthdrlen = rt->dst.header_len;
+ dst_exthdrlen = rt->dst.header_len - rt->rt6i_nfheader_len;
} else {
rt = (struct rt6_info *)cork->dst;
fl6 = &inet->cork.fl.u.ip6;
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 26dcdec9e3a5..8fd154e5f079 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -1710,6 +1710,9 @@ int ip6_mroute_setsockopt(struct sock *sk, int optname, char __user *optval, uns
return -EINVAL;
if (get_user(v, (u32 __user *)optval))
return -EFAULT;
+ /* "pim6reg%u" should not exceed 16 bytes (IFNAMSIZ) */
+ if (v != RT_TABLE_DEFAULT && v >= 100000000)
+ return -EINVAL;
if (sk == mrt->mroute6_sk)
return -EBUSY;
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index ee94d31c9d4d..d1e2e8ef29c5 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -476,8 +476,8 @@ sticky_done:
msg.msg_controllen = optlen;
msg.msg_control = (void*)(opt+1);
- retv = datagram_send_ctl(net, sk, &msg, &fl6, opt, &junk, &junk,
- &junk);
+ retv = ip6_datagram_send_ctl(net, sk, &msg, &fl6, opt, &junk,
+ &junk, &junk);
if (retv)
goto done;
update:
@@ -1002,7 +1002,7 @@ static int do_ipv6_getsockopt(struct sock *sk, int level, int optname,
release_sock(sk);
if (skb) {
- int err = datagram_recv_ctl(sk, &msg, skb);
+ int err = ip6_datagram_recv_ctl(sk, &msg, skb);
kfree_skb(skb);
if (err)
return err;
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 6cd29b1e8b92..70fa81449997 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -507,7 +507,7 @@ static int rawv6_recvmsg(struct kiocb *iocb, struct sock *sk,
sock_recv_ts_and_drops(msg, sk, skb);
if (np->rxopt.all)
- datagram_recv_ctl(sk, msg, skb);
+ ip6_datagram_recv_ctl(sk, msg, skb);
err = copied;
if (flags & MSG_TRUNC)
@@ -822,8 +822,8 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk,
memset(opt, 0, sizeof(struct ipv6_txoptions));
opt->tot_len = sizeof(struct ipv6_txoptions);
- err = datagram_send_ctl(sock_net(sk), sk, msg, &fl6, opt,
- &hlimit, &tclass, &dontfrag);
+ err = ip6_datagram_send_ctl(sock_net(sk), sk, msg, &fl6, opt,
+ &hlimit, &tclass, &dontfrag);
if (err < 0) {
fl6_sock_release(flowlabel);
return err;
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index e229a3bc345d..363d8b7772e8 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -928,7 +928,7 @@ restart:
dst_hold(&rt->dst);
read_unlock_bh(&table->tb6_lock);
- if (!rt->n && !(rt->rt6i_flags & RTF_NONEXTHOP))
+ if (!rt->n && !(rt->rt6i_flags & (RTF_NONEXTHOP | RTF_LOCAL)))
nrt = rt6_alloc_cow(rt, &fl6->daddr, &fl6->saddr);
else if (!(rt->dst.flags & DST_HOST))
nrt = rt6_alloc_clone(rt, &fl6->daddr);
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 93825dd3a7c0..4f43537197ef 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -423,6 +423,7 @@ static void tcp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
}
inet_csk_reqsk_queue_drop(sk, req, prev);
+ NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_LISTENDROPS);
goto out;
case TCP_SYN_SENT:
@@ -958,8 +959,10 @@ static int tcp_v6_conn_request(struct sock *sk, struct sk_buff *skb)
goto drop;
}
- if (sk_acceptq_is_full(sk) && inet_csk_reqsk_queue_young(sk) > 1)
+ if (sk_acceptq_is_full(sk) && inet_csk_reqsk_queue_young(sk) > 1) {
+ NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_LISTENOVERFLOWS);
goto drop;
+ }
req = inet6_reqsk_alloc(&tcp6_request_sock_ops);
if (req == NULL)
@@ -1108,6 +1111,7 @@ drop_and_release:
drop_and_free:
reqsk_free(req);
drop:
+ NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_LISTENDROPS);
return 0; /* don't send reset */
}
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index dfaa29b8b293..fb083295ff0b 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -443,7 +443,7 @@ try_again:
ip_cmsg_recv(msg, skb);
} else {
if (np->rxopt.all)
- datagram_recv_ctl(sk, msg, skb);
+ ip6_datagram_recv_ctl(sk, msg, skb);
}
err = copied;
@@ -1153,8 +1153,8 @@ do_udp_sendmsg:
memset(opt, 0, sizeof(struct ipv6_txoptions));
opt->tot_len = sizeof(*opt);
- err = datagram_send_ctl(sock_net(sk), sk, msg, &fl6, opt,
- &hlimit, &tclass, &dontfrag);
+ err = ip6_datagram_send_ctl(sock_net(sk), sk, msg, &fl6, opt,
+ &hlimit, &tclass, &dontfrag);
if (err < 0) {
fl6_sock_release(flowlabel);
return err;
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-29 22:49:49 +0300