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authorDavid Ahern <dsa@cumulusnetworks.com>2015-08-28 08:42:09 -0700
committerDavid S. Miller <davem@davemloft.net>2015-08-29 13:05:16 -0700
commitf6d3c19274c74ff17174df8078e0a14df003667f (patch)
tree63a2bd2de1e1ad99c5f2598feb4b69beaccf83b3 /net
parent0d5cdef8d5dd0a6819fd85305adb448f5ba56f24 (diff)
downloadlinux-f6d3c19274c74ff17174df8078e0a14df003667f.tar.bz2
net: FIB tracepoints
A few useful tracepoints developing VRF driver. Signed-off-by: David Ahern <dsa@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/core/net-traces.c1
-rw-r--r--net/ipv4/fib_frontend.c3
-rw-r--r--net/ipv4/fib_trie.c5
3 files changed, 9 insertions, 0 deletions
diff --git a/net/core/net-traces.c b/net/core/net-traces.c
index ba3c0120786c..adef015b2f41 100644
--- a/net/core/net-traces.c
+++ b/net/core/net-traces.c
@@ -31,6 +31,7 @@
#include <trace/events/napi.h>
#include <trace/events/sock.h>
#include <trace/events/udp.h>
+#include <trace/events/fib.h>
EXPORT_TRACEPOINT_SYMBOL_GPL(kfree_skb);
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index 7fa277176c33..4036c94dfbe1 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -46,6 +46,7 @@
#include <net/rtnetlink.h>
#include <net/xfrm.h>
#include <net/vrf.h>
+#include <trace/events/fib.h>
#ifndef CONFIG_IP_MULTIPLE_TABLES
@@ -344,6 +345,8 @@ static int __fib_validate_source(struct sk_buff *skb, __be32 src, __be32 dst,
fl4.flowi4_mark = IN_DEV_SRC_VMARK(idev) ? skb->mark : 0;
+ trace_fib_validate_source(dev, &fl4);
+
net = dev_net(dev);
if (fib_lookup(net, &fl4, &res, 0))
goto last_resort;
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index 5154f81c5326..26d6ffb6d23c 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -81,6 +81,7 @@
#include <net/sock.h>
#include <net/ip_fib.h>
#include <net/switchdev.h>
+#include <trace/events/fib.h>
#include "fib_lookup.h"
#define MAX_STAT_DEPTH 32
@@ -1278,6 +1279,8 @@ int fib_table_lookup(struct fib_table *tb, const struct flowi4 *flp,
unsigned long index;
t_key cindex;
+ trace_fib_table_lookup(tb->tb_id, flp);
+
pn = t->kv;
cindex = 0;
@@ -1442,6 +1445,8 @@ found:
#ifdef CONFIG_IP_FIB_TRIE_STATS
this_cpu_inc(stats->semantic_match_passed);
#endif
+ trace_fib_table_lookup_nh(nh);
+
return err;
}
}