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-rw-r--r--net/ipv6/addrconf.c16
-rw-r--r--net/ipv6/ip6_gre.c1
-rw-r--r--net/ipv6/route.c10
-rw-r--r--net/ipv6/tcp_ipv6.c6
4 files changed, 28 insertions, 5 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 61f26851655c..6936d0d8c6b1 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -5200,6 +5200,20 @@ int addrconf_sysctl_forward(struct ctl_table *ctl, int write,
}
static
+int addrconf_sysctl_hop_limit(struct ctl_table *ctl, int write,
+ void __user *buffer, size_t *lenp, loff_t *ppos)
+{
+ struct ctl_table lctl;
+ int min_hl = 1, max_hl = 255;
+
+ lctl = *ctl;
+ lctl.extra1 = &min_hl;
+ lctl.extra2 = &max_hl;
+
+ return proc_dointvec_minmax(&lctl, write, buffer, lenp, ppos);
+}
+
+static
int addrconf_sysctl_mtu(struct ctl_table *ctl, int write,
void __user *buffer, size_t *lenp, loff_t *ppos)
{
@@ -5454,7 +5468,7 @@ static struct addrconf_sysctl_table
.data = &ipv6_devconf.hop_limit,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = proc_dointvec,
+ .proc_handler = addrconf_sysctl_hop_limit,
},
{
.procname = "mtu",
diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index 3c7b9310b33f..938d03ce5e4b 100644
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -24,7 +24,6 @@
#include <linux/tcp.h>
#include <linux/udp.h>
#include <linux/if_arp.h>
-#include <linux/mroute.h>
#include <linux/init.h>
#include <linux/in6.h>
#include <linux/inetdevice.h>
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 826e6aa44f8d..c83b6a5b3604 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -62,6 +62,7 @@
#include <net/lwtunnel.h>
#include <net/ip_tunnels.h>
#include <net/l3mdev.h>
+#include <trace/events/fib6.h>
#include <asm/uaccess.h>
@@ -865,6 +866,9 @@ restart:
}
dst_use(&rt->dst, jiffies);
read_unlock_bh(&table->tb6_lock);
+
+ trace_fib6_table_lookup(net, rt, table->tb6_id, fl6);
+
return rt;
}
@@ -1078,6 +1082,8 @@ redo_rt6_select:
read_unlock_bh(&table->tb6_lock);
rt6_dst_from_metrics_check(rt);
+
+ trace_fib6_table_lookup(net, rt, table->tb6_id, fl6);
return rt;
} else if (unlikely((fl6->flowi6_flags & FLOWI_FLAG_KNOWN_NH) &&
!(rt->rt6i_flags & RTF_GATEWAY))) {
@@ -1101,6 +1107,8 @@ redo_rt6_select:
uncached_rt = net->ipv6.ip6_null_entry;
dst_hold(&uncached_rt->dst);
+
+ trace_fib6_table_lookup(net, uncached_rt, table->tb6_id, fl6);
return uncached_rt;
} else {
@@ -1125,6 +1133,7 @@ redo_rt6_select:
dst_release(&rt->dst);
}
+ trace_fib6_table_lookup(net, pcpu_rt, table->tb6_id, fl6);
return pcpu_rt;
}
@@ -1474,6 +1483,7 @@ out:
read_unlock_bh(&table->tb6_lock);
+ trace_fib6_table_lookup(net, rt, table->tb6_id, fl6);
return rt;
};
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index e7aab561b7b4..c16e3fbf6854 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -1136,7 +1136,7 @@ static struct sock *tcp_v6_syn_recv_sock(const struct sock *sk, struct sk_buff *
*/
tcp_md5_do_add(newsk, (union tcp_md5_addr *)&newsk->sk_v6_daddr,
AF_INET6, key->key, key->keylen,
- sk_gfp_atomic(sk, GFP_ATOMIC));
+ sk_gfp_mask(sk, GFP_ATOMIC));
}
#endif
@@ -1152,7 +1152,7 @@ static struct sock *tcp_v6_syn_recv_sock(const struct sock *sk, struct sk_buff *
/* Clone pktoptions received with SYN, if we own the req */
if (ireq->pktopts) {
newnp->pktoptions = skb_clone(ireq->pktopts,
- sk_gfp_atomic(sk, GFP_ATOMIC));
+ sk_gfp_mask(sk, GFP_ATOMIC));
consume_skb(ireq->pktopts);
ireq->pktopts = NULL;
if (newnp->pktoptions)
@@ -1218,7 +1218,7 @@ static int tcp_v6_do_rcv(struct sock *sk, struct sk_buff *skb)
--ANK (980728)
*/
if (np->rxopt.all)
- opt_skb = skb_clone(skb, sk_gfp_atomic(sk, GFP_ATOMIC));
+ opt_skb = skb_clone(skb, sk_gfp_mask(sk, GFP_ATOMIC));
if (sk->sk_state == TCP_ESTABLISHED) { /* Fast path */
struct dst_entry *dst = sk->sk_rx_dst;