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authorAmir Vadai <amirva@mellanox.com>2016-05-13 14:55:36 +0200
committerDavid S. Miller <davem@davemloft.net>2016-05-16 19:43:50 +0200
commit9fea47d93bcc98946a6eca0f019ced337564a344 (patch)
treed236177cc10dce84cd65f6db0269ce12e71c704d /net/sched/act_gact.c
parentnet/sched: Enable netdev drivers to update statistics of offloaded actions (diff)
downloadlinux-9fea47d93bcc98946a6eca0f019ced337564a344.tar.xz
linux-9fea47d93bcc98946a6eca0f019ced337564a344.zip
net/sched: act_gact: Update statistics when offloaded to hardware
Implement the stats_update callback that will be called by NIC drivers for hardware offloaded filters. Signed-off-by: Amir Vadai <amirva@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched/act_gact.c')
-rw-r--r--net/sched/act_gact.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/net/sched/act_gact.c b/net/sched/act_gact.c
index 1a6e09fbb2a5..ec5cc8435238 100644
--- a/net/sched/act_gact.c
+++ b/net/sched/act_gact.c
@@ -148,6 +148,20 @@ static int tcf_gact(struct sk_buff *skb, const struct tc_action *a,
return action;
}
+static void tcf_gact_stats_update(struct tc_action *a, u64 bytes, u32 packets,
+ u64 lastuse)
+{
+ struct tcf_gact *gact = a->priv;
+ int action = READ_ONCE(gact->tcf_action);
+ struct tcf_t *tm = &gact->tcf_tm;
+
+ _bstats_cpu_update(this_cpu_ptr(gact->common.cpu_bstats), bytes, packets);
+ if (action == TC_ACT_SHOT)
+ this_cpu_ptr(gact->common.cpu_qstats)->drops += packets;
+
+ tm->lastuse = lastuse;
+}
+
static int tcf_gact_dump(struct sk_buff *skb, struct tc_action *a, int bind, int ref)
{
unsigned char *b = skb_tail_pointer(skb);
@@ -207,6 +221,7 @@ static struct tc_action_ops act_gact_ops = {
.type = TCA_ACT_GACT,
.owner = THIS_MODULE,
.act = tcf_gact,
+ .stats_update = tcf_gact_stats_update,
.dump = tcf_gact_dump,
.init = tcf_gact_init,
.walk = tcf_gact_walker,