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authorVlad Buslov <vladbu@mellanox.com>2019-10-30 16:09:03 +0200
committerDavid S. Miller <davem@davemloft.net>2019-10-30 18:07:50 -0700
commitef816f3c49c1c404ababc50e10d4cbe5109da678 (patch)
treef9caa7727948d1b465e9e47041bfd2cb82586b40 /include/net/sch_generic.h
parentnet: sched: extract qstats update code into functions (diff)
downloadlinux-dev-ef816f3c49c1c404ababc50e10d4cbe5109da678.tar.xz
linux-dev-ef816f3c49c1c404ababc50e10d4cbe5109da678.zip
net: sched: don't expose action qstats to skb_tc_reinsert()
Previous commit introduced helper function for updating qstats and refactored set of actions to use the helpers, instead of modifying qstats directly. However, one of the affected action exposes its qstats to skb_tc_reinsert(), which then modifies it. Refactor skb_tc_reinsert() to return integer error code and don't increment overlimit qstats in case of error, and use the returned error code in tcf_mirred_act() to manually increment the overlimit counter with new helper function. Signed-off-by: Vlad Buslov <vladbu@mellanox.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/sch_generic.h')
-rw-r--r--include/net/sch_generic.h12
1 files changed, 2 insertions, 10 deletions
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index 637548d54b3e..a8b0a9a4c686 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -1286,17 +1286,9 @@ void mini_qdisc_pair_swap(struct mini_Qdisc_pair *miniqp,
void mini_qdisc_pair_init(struct mini_Qdisc_pair *miniqp, struct Qdisc *qdisc,
struct mini_Qdisc __rcu **p_miniq);
-static inline void skb_tc_reinsert(struct sk_buff *skb, struct tcf_result *res)
+static inline int skb_tc_reinsert(struct sk_buff *skb, struct tcf_result *res)
{
- struct gnet_stats_queue *stats = res->qstats;
- int ret;
-
- if (res->ingress)
- ret = netif_receive_skb(skb);
- else
- ret = dev_queue_xmit(skb);
- if (ret && stats)
- qstats_overlimit_inc(res->qstats);
+ return res->ingress ? netif_receive_skb(skb) : dev_queue_xmit(skb);
}
#endif