aboutsummaryrefslogtreecommitdiff
path: root/net/ipv6
diff options
context:
space:
mode:
Diffstat (limited to 'net/ipv6')
-rw-r--r--net/ipv6/addrconf.c6
-rw-r--r--net/ipv6/af_inet6.c2
-rw-r--r--net/ipv6/inet6_connection_sock.c2
-rw-r--r--net/ipv6/ip6_output.c10
-rw-r--r--net/ipv6/ndisc.c34
-rw-r--r--net/ipv6/netfilter.c13
-rw-r--r--net/ipv6/netfilter/ip6_tables.c4
-rw-r--r--net/ipv6/netfilter/ip6table_mangle.c3
-rw-r--r--net/ipv6/netfilter/nf_defrag_ipv6_hooks.c2
-rw-r--r--net/ipv6/route.c72
-rw-r--r--net/ipv6/tcp_ipv6.c5
-rw-r--r--net/ipv6/udp.c3
12 files changed, 133 insertions, 23 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 3daaf3c7703..129d7e1f311 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -825,6 +825,8 @@ static void ipv6_del_addr(struct inet6_ifaddr *ifp)
dst_release(&rt->dst);
}
+ /* clean up prefsrc entries */
+ rt6_remove_prefsrc(ifp);
out:
in6_ifa_put(ifp);
}
@@ -1084,7 +1086,7 @@ static int ipv6_get_saddr_eval(struct net *net,
case IPV6_SADDR_RULE_PRIVACY:
{
/* Rule 7: Prefer public address
- * Note: prefer temprary address if use_tempaddr >= 2
+ * Note: prefer temporary address if use_tempaddr >= 2
*/
int preftmp = dst->prefs & (IPV6_PREFER_SRC_PUBLIC|IPV6_PREFER_SRC_TMP) ?
!!(dst->prefs & IPV6_PREFER_SRC_TMP) :
@@ -1968,7 +1970,7 @@ ok:
* to the stored lifetime since we'll
* be updating the timestamp below,
* else we'll set it back to the
- * minumum.
+ * minimum.
*/
if (prefered_lft != ifp->prefered_lft) {
valid_lft = stored_lft;
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index 4b13d5d8890..afcc7099f96 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -1113,7 +1113,7 @@ static int __init inet6_init(void)
/*
* ipngwg API draft makes clear that the correct semantics
* for TCP and UDP is to consider one TCP and UDP instance
- * in a host availiable by both INET and INET6 APIs and
+ * in a host available by both INET and INET6 APIs and
* able to communicate via both network protocols.
*/
diff --git a/net/ipv6/inet6_connection_sock.c b/net/ipv6/inet6_connection_sock.c
index 16605465046..f2c5b0fc0f2 100644
--- a/net/ipv6/inet6_connection_sock.c
+++ b/net/ipv6/inet6_connection_sock.c
@@ -44,7 +44,7 @@ int inet6_csk_bind_conflict(const struct sock *sk,
!sk2->sk_bound_dev_if ||
sk->sk_bound_dev_if == sk2->sk_bound_dev_if) &&
(!sk->sk_reuse || !sk2->sk_reuse ||
- ((1 << sk2->sk_state) & (TCPF_LISTEN | TCPF_CLOSE))) &&
+ sk2->sk_state == TCP_LISTEN) &&
ipv6_rcv_saddr_equal(sk, sk2))
break;
}
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 18208876aa8..c614d02bf42 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -779,7 +779,7 @@ slow_path:
/* IF: it doesn't fit, use 'mtu' - the data space left */
if (len > mtu)
len = mtu;
- /* IF: we are not sending upto and including the packet end
+ /* IF: we are not sending up to and including the packet end
then align the next start on an eight byte boundary */
if (len < left) {
len &= ~7;
@@ -930,10 +930,10 @@ static int ip6_dst_lookup_tail(struct sock *sk,
goto out_err_release;
if (ipv6_addr_any(&fl6->saddr)) {
- err = ipv6_dev_get_saddr(net, ip6_dst_idev(*dst)->dev,
- &fl6->daddr,
- sk ? inet6_sk(sk)->srcprefs : 0,
- &fl6->saddr);
+ struct rt6_info *rt = (struct rt6_info *) *dst;
+ err = ip6_route_get_saddr(net, rt, &fl6->daddr,
+ sk ? inet6_sk(sk)->srcprefs : 0,
+ &fl6->saddr);
if (err)
goto out_err_release;
}
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 92f952d093d..01a0ffc7b40 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -611,6 +611,29 @@ static void ndisc_send_na(struct net_device *dev, struct neighbour *neigh,
inc_opt ? ND_OPT_TARGET_LL_ADDR : 0);
}
+static void ndisc_send_unsol_na(struct net_device *dev)
+{
+ struct inet6_dev *idev;
+ struct inet6_ifaddr *ifa;
+ struct in6_addr mcaddr;
+
+ idev = in6_dev_get(dev);
+ if (!idev)
+ return;
+
+ read_lock_bh(&idev->lock);
+ list_for_each_entry(ifa, &idev->addr_list, if_list) {
+ addrconf_addr_solict_mult(&ifa->addr, &mcaddr);
+ ndisc_send_na(dev, NULL, &mcaddr, &ifa->addr,
+ /*router=*/ !!idev->cnf.forwarding,
+ /*solicited=*/ false, /*override=*/ true,
+ /*inc_opt=*/ true);
+ }
+ read_unlock_bh(&idev->lock);
+
+ in6_dev_put(idev);
+}
+
void ndisc_send_ns(struct net_device *dev, struct neighbour *neigh,
const struct in6_addr *solicit,
const struct in6_addr *daddr, const struct in6_addr *saddr)
@@ -945,9 +968,10 @@ static void ndisc_recv_na(struct sk_buff *skb)
}
ifp = ipv6_get_ifaddr(dev_net(dev), &msg->target, dev, 1);
if (ifp) {
- if (ifp->flags & IFA_F_TENTATIVE) {
- addrconf_dad_failure(ifp);
- return;
+ if (skb->pkt_type != PACKET_LOOPBACK
+ && (ifp->flags & IFA_F_TENTATIVE)) {
+ addrconf_dad_failure(ifp);
+ return;
}
/* What should we make now? The advertisement
is invalid, but ndisc specs say nothing
@@ -1722,6 +1746,10 @@ static int ndisc_netdev_event(struct notifier_block *this, unsigned long event,
neigh_ifdown(&nd_tbl, dev);
fib6_run_gc(~0UL, net);
break;
+ case NETDEV_NOTIFY_PEERS:
+ case NETDEV_BONDING_FAILOVER:
+ ndisc_send_unsol_na(dev);
+ break;
default:
break;
}
diff --git a/net/ipv6/netfilter.c b/net/ipv6/netfilter.c
index 39aaca2b4fd..28bc1f644b7 100644
--- a/net/ipv6/netfilter.c
+++ b/net/ipv6/netfilter.c
@@ -90,9 +90,18 @@ static int nf_ip6_reroute(struct sk_buff *skb,
return 0;
}
-static int nf_ip6_route(struct dst_entry **dst, struct flowi *fl)
+static int nf_ip6_route(struct net *net, struct dst_entry **dst,
+ struct flowi *fl, bool strict)
{
- *dst = ip6_route_output(&init_net, NULL, &fl->u.ip6);
+ static const struct ipv6_pinfo fake_pinfo;
+ static const struct inet_sock fake_sk = {
+ /* makes ip6_route_output set RT6_LOOKUP_F_IFACE: */
+ .sk.sk_bound_dev_if = 1,
+ .pinet6 = (struct ipv6_pinfo *) &fake_pinfo,
+ };
+ const void *sk = strict ? &fake_sk : NULL;
+
+ *dst = ip6_route_output(net, sk, &fl->u.ip6);
return (*dst)->error;
}
diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c
index ec7cf579cdd..94874b0bdcd 100644
--- a/net/ipv6/netfilter/ip6_tables.c
+++ b/net/ipv6/netfilter/ip6_tables.c
@@ -1583,7 +1583,6 @@ compat_copy_entry_from_user(struct compat_ip6t_entry *e, void **dstptr,
struct xt_table_info *newinfo, unsigned char *base)
{
struct xt_entry_target *t;
- struct xt_target *target;
struct ip6t_entry *de;
unsigned int origsize;
int ret, h;
@@ -1605,7 +1604,6 @@ compat_copy_entry_from_user(struct compat_ip6t_entry *e, void **dstptr,
}
de->target_offset = e->target_offset - (origsize - *size);
t = compat_ip6t_get_target(e);
- target = t->u.kernel.target;
xt_compat_target_from_user(t, dstptr, size);
de->next_offset = e->next_offset - (origsize - *size);
@@ -2253,7 +2251,7 @@ static int __init ip6_tables_init(void)
if (ret < 0)
goto err1;
- /* Noone else will be downing sem now, so we won't sleep */
+ /* No one else will be downing sem now, so we won't sleep */
ret = xt_register_targets(ip6t_builtin_tg, ARRAY_SIZE(ip6t_builtin_tg));
if (ret < 0)
goto err2;
diff --git a/net/ipv6/netfilter/ip6table_mangle.c b/net/ipv6/netfilter/ip6table_mangle.c
index 679a0a3b7b3..00d19173db7 100644
--- a/net/ipv6/netfilter/ip6table_mangle.c
+++ b/net/ipv6/netfilter/ip6table_mangle.c
@@ -64,7 +64,8 @@ ip6t_mangle_out(struct sk_buff *skb, const struct net_device *out)
(memcmp(&ipv6_hdr(skb)->saddr, &saddr, sizeof(saddr)) ||
memcmp(&ipv6_hdr(skb)->daddr, &daddr, sizeof(daddr)) ||
skb->mark != mark ||
- ipv6_hdr(skb)->hop_limit != hop_limit))
+ ipv6_hdr(skb)->hop_limit != hop_limit ||
+ flowlabel != *((u_int32_t *)ipv6_hdr(skb))))
return ip6_route_me_harder(skb) == 0 ? ret : NF_DROP;
return ret;
diff --git a/net/ipv6/netfilter/nf_defrag_ipv6_hooks.c b/net/ipv6/netfilter/nf_defrag_ipv6_hooks.c
index 97c5b21b967..cdd6d045e42 100644
--- a/net/ipv6/netfilter/nf_defrag_ipv6_hooks.c
+++ b/net/ipv6/netfilter/nf_defrag_ipv6_hooks.c
@@ -71,7 +71,7 @@ static unsigned int ipv6_defrag(unsigned int hooknum,
if (reasm == NULL)
return NF_STOLEN;
- /* error occured or not fragmented */
+ /* error occurred or not fragmented */
if (reasm == skb)
return NF_ACCEPT;
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 843406f14d7..af26cc1073c 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -1325,6 +1325,16 @@ int ip6_route_add(struct fib6_config *cfg)
if (dev == NULL)
goto out;
+ if (!ipv6_addr_any(&cfg->fc_prefsrc)) {
+ if (!ipv6_chk_addr(net, &cfg->fc_prefsrc, dev, 0)) {
+ err = -EINVAL;
+ goto out;
+ }
+ ipv6_addr_copy(&rt->rt6i_prefsrc.addr, &cfg->fc_prefsrc);
+ rt->rt6i_prefsrc.plen = 128;
+ } else
+ rt->rt6i_prefsrc.plen = 0;
+
if (cfg->fc_flags & (RTF_GATEWAY | RTF_NONEXTHOP)) {
rt->rt6i_nexthop = __neigh_lookup_errno(&nd_tbl, &rt->rt6i_gateway, dev);
if (IS_ERR(rt->rt6i_nexthop)) {
@@ -2037,6 +2047,55 @@ struct rt6_info *addrconf_dst_alloc(struct inet6_dev *idev,
return rt;
}
+int ip6_route_get_saddr(struct net *net,
+ struct rt6_info *rt,
+ struct in6_addr *daddr,
+ unsigned int prefs,
+ struct in6_addr *saddr)
+{
+ struct inet6_dev *idev = ip6_dst_idev((struct dst_entry*)rt);
+ int err = 0;
+ if (rt->rt6i_prefsrc.plen)
+ ipv6_addr_copy(saddr, &rt->rt6i_prefsrc.addr);
+ else
+ err = ipv6_dev_get_saddr(net, idev ? idev->dev : NULL,
+ daddr, prefs, saddr);
+ return err;
+}
+
+/* remove deleted ip from prefsrc entries */
+struct arg_dev_net_ip {
+ struct net_device *dev;
+ struct net *net;
+ struct in6_addr *addr;
+};
+
+static int fib6_remove_prefsrc(struct rt6_info *rt, void *arg)
+{
+ struct net_device *dev = ((struct arg_dev_net_ip *)arg)->dev;
+ struct net *net = ((struct arg_dev_net_ip *)arg)->net;
+ struct in6_addr *addr = ((struct arg_dev_net_ip *)arg)->addr;
+
+ if (((void *)rt->rt6i_dev == dev || dev == NULL) &&
+ rt != net->ipv6.ip6_null_entry &&
+ ipv6_addr_equal(addr, &rt->rt6i_prefsrc.addr)) {
+ /* remove prefsrc entry */
+ rt->rt6i_prefsrc.plen = 0;
+ }
+ return 0;
+}
+
+void rt6_remove_prefsrc(struct inet6_ifaddr *ifp)
+{
+ struct net *net = dev_net(ifp->idev->dev);
+ struct arg_dev_net_ip adni = {
+ .dev = ifp->idev->dev,
+ .net = net,
+ .addr = &ifp->addr,
+ };
+ fib6_clean_all(net, fib6_remove_prefsrc, 0, &adni);
+}
+
struct arg_dev_net {
struct net_device *dev;
struct net *net;
@@ -2183,6 +2242,9 @@ static int rtm_to_fib6_config(struct sk_buff *skb, struct nlmsghdr *nlh,
nla_memcpy(&cfg->fc_src, tb[RTA_SRC], plen);
}
+ if (tb[RTA_PREFSRC])
+ nla_memcpy(&cfg->fc_prefsrc, tb[RTA_PREFSRC], 16);
+
if (tb[RTA_OIF])
cfg->fc_ifindex = nla_get_u32(tb[RTA_OIF]);
@@ -2325,13 +2387,17 @@ static int rt6_fill_node(struct net *net,
#endif
NLA_PUT_U32(skb, RTA_IIF, iif);
} else if (dst) {
- struct inet6_dev *idev = ip6_dst_idev(&rt->dst);
struct in6_addr saddr_buf;
- if (ipv6_dev_get_saddr(net, idev ? idev->dev : NULL,
- dst, 0, &saddr_buf) == 0)
+ if (ip6_route_get_saddr(net, rt, dst, 0, &saddr_buf) == 0)
NLA_PUT(skb, RTA_PREFSRC, 16, &saddr_buf);
}
+ if (rt->rt6i_prefsrc.plen) {
+ struct in6_addr saddr_buf;
+ ipv6_addr_copy(&saddr_buf, &rt->rt6i_prefsrc.addr);
+ NLA_PUT(skb, RTA_PREFSRC, 16, &saddr_buf);
+ }
+
if (rtnetlink_put_metrics(skb, dst_metrics_ptr(&rt->dst)) < 0)
goto nla_put_failure;
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 2b0c186862c..4f49e5dd41b 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -503,6 +503,7 @@ static int tcp_v6_send_synack(struct sock *sk, struct request_sock *req,
dst = ip6_dst_lookup_flow(sk, &fl6, final_p, false);
if (IS_ERR(dst)) {
err = PTR_ERR(dst);
+ dst = NULL;
goto done;
}
skb = tcp_make_synack(sk, dst, req, rvp);
@@ -1621,6 +1622,7 @@ static int tcp_v6_do_rcv(struct sock *sk, struct sk_buff *skb)
opt_skb = skb_clone(skb, GFP_ATOMIC);
if (sk->sk_state == TCP_ESTABLISHED) { /* Fast path */
+ sock_rps_save_rxhash(sk, skb->rxhash);
if (tcp_rcv_established(sk, skb, tcp_hdr(skb), skb->len))
goto reset;
if (opt_skb)
@@ -1648,7 +1650,8 @@ static int tcp_v6_do_rcv(struct sock *sk, struct sk_buff *skb)
__kfree_skb(opt_skb);
return 0;
}
- }
+ } else
+ sock_rps_save_rxhash(sk, skb->rxhash);
if (tcp_rcv_state_process(sk, skb, tcp_hdr(skb), skb->len))
goto reset;
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index d7037c006e1..15c37746845 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -505,6 +505,9 @@ int udpv6_queue_rcv_skb(struct sock * sk, struct sk_buff *skb)
int rc;
int is_udplite = IS_UDPLITE(sk);
+ if (!ipv6_addr_any(&inet6_sk(sk)->daddr))
+ sock_rps_save_rxhash(sk, skb->rxhash);
+
if (!xfrm6_policy_check(sk, XFRM_POLICY_IN, skb))
goto drop;
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-28 01:08:44 +0000