net: sched: refactor reinsert action
The TC_ACT_REINSERT return type was added as an in-kernel only option to
allow a packet ingress or egress redirect. This is used to avoid
unnecessary skb clones in situations where they are not required. If a TC
hook returns this code then the packet is 'reinserted' and no skb consume
is carried out as no clone took place.
This return type is only used in act_mirred. Rather than have the reinsert
called from the main datapath, call it directly in act_mirred. Instead of
returning TC_ACT_REINSERT, change the type to the new TC_ACT_CONSUMED
which tells the caller that the packet has been stolen by another process
and that no consume call is required.
Moving all redirect calls to the act_mirred code is in preparation for
tracking recursion created by act_mirred.
Signed-off-by: John Hurley <john.hurley@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index 21f434f..855167b 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -279,7 +279,7 @@ struct tcf_result {
};
const struct tcf_proto *goto_tp;
- /* used by the TC_ACT_REINSERT action */
+ /* used in the skb_tc_reinsert function */
struct {
bool ingress;
struct gnet_stats_queue *qstats;