If the action has a user_cookie, pass it along to the sample so it can
be easily identified.
Signed-off-by: Adrian Moreno <amore...@redhat.com>
---
net/sched/act_sample.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/net/sched/act_sample.c b/net/sched/act_sample.c
index a69b53d54039..5c3f86ec964a 100644
--- a/net/sched/act_sample.c
+++ b/net/sched/act_sample.c
@@ -165,9 +165,11 @@ TC_INDIRECT_SCOPE int tcf_sample_act(struct sk_buff *skb,
const struct tc_action *a,
struct tcf_result *res)
{
+ u8 cookie_data[TC_COOKIE_MAX_SIZE] = {};
struct tcf_sample *s = to_sample(a);
struct psample_group *psample_group;
struct psample_metadata md = {};
+ struct tc_cookie *user_cookie;
int retval;
tcf_lastuse_update(&s->tcf_tm);
@@ -189,6 +191,16 @@ TC_INDIRECT_SCOPE int tcf_sample_act(struct sk_buff *skb,
if (skb_at_tc_ingress(skb) && tcf_sample_dev_ok_push(skb->dev))
skb_push(skb, skb->mac_len);
+ rcu_read_lock();
+ user_cookie = rcu_dereference(a->user_cookie);
+ if (user_cookie) {
+ memcpy(cookie_data, user_cookie->data,
+ user_cookie->len);
+ md.user_cookie = cookie_data;
+ md.user_cookie_len = user_cookie->len;
+ }
+ rcu_read_unlock();
+
md.trunc_size = s->truncate ? s->trunc_size : skb->len;
psample_sample_packet(psample_group, skb, s->rate, &md);
--
2.45.1
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