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-rw-r--r--net/ipv6/route.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 826e6aa44f8d..3c8834bc822d 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;
};
@@ -2699,6 +2709,7 @@ static const struct nla_policy rtm_ipv6_policy[RTA_MAX+1] = {
[RTA_PREF] = { .type = NLA_U8 },
[RTA_ENCAP_TYPE] = { .type = NLA_U16 },
[RTA_ENCAP] = { .type = NLA_NESTED },
+ [RTA_EXPIRES] = { .type = NLA_U32 },
};
static int rtm_to_fib6_config(struct sk_buff *skb, struct nlmsghdr *nlh,
@@ -2799,6 +2810,15 @@ static int rtm_to_fib6_config(struct sk_buff *skb, struct nlmsghdr *nlh,
if (tb[RTA_ENCAP_TYPE])
cfg->fc_encap_type = nla_get_u16(tb[RTA_ENCAP_TYPE]);
+ if (tb[RTA_EXPIRES]) {
+ unsigned long timeout = addrconf_timeout_fixup(nla_get_u32(tb[RTA_EXPIRES]), HZ);
+
+ if (addrconf_finite_timeout(timeout)) {
+ cfg->fc_expires = jiffies_to_clock_t(timeout * HZ);
+ cfg->fc_flags |= RTF_EXPIRES;
+ }
+ }
+
err = 0;
errout:
return err;