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net: sched: fix tc_should_offload for specific clsact classes

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When offloading classifiers such as u32 or flower to hardware, and the
qdisc is clsact (TC_H_CLSACT), then we need to differentiate its classes,
since not all of them handle ingress, therefore we must leave those in
software path. Add a .tcf_cl_offload() callback, so we can generically
handle them, tested on ixgbe.

Fixes: 10cbc68434 ("net/sched: cls_flower: Hardware offloaded filters statistics support")
Fixes: 5b33f48842 ("net/flower: Introduce hardware offload support")
Fixes: a1b7c5fd7f ("net: sched: add cls_u32 offload hooks for netdevs")
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Daniel Borkmann
2016-06-06 22:50:39 +02:00
committed by David S. Miller
parent a03e6fe569
commit 92c075dbde
5 changed files with 27 additions and 10 deletions
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1
include/net/sch_generic.h
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@@ -168,6 +168,7 @@ struct Qdisc_class_ops {
/* Filter manipulation */
struct tcf_proto __rcu ** (*tcf_chain)(struct Qdisc *, unsigned long);
bool (*tcf_cl_offload)(u32 classid);
unsigned long (*bind_tcf)(struct Qdisc *, unsigned long,
u32 classid);
void (*unbind_tcf)(struct Qdisc *, unsigned long);