AcoSail/kernel_optimize_test
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net/sched: Add separate check for skip_hw flag

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Creating a difference between two possible cases:
1. Not offloading tc rule since the user sets 'skip_hw' flag.
2. Not offloading tc rule since the device doesn't support offloading.

This patch doesn't add any new functionality.

Signed-off-by: Hadar Hen Zion <hadarh@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Hadar Hen Zion 2016-12-01 14:06:33 +02:00 committed by David S. Miller
parent 25429d7b7d
commit 55330f0596
1 changed files with 15 additions and 4 deletions
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19
include/net/pkt_cls.h
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@ -425,16 +425,14 @@ struct tc_cls_u32_offload {
};
};
static inline bool tc_should_offload(const struct net_device *dev,
const struct tcf_proto *tp, u32 flags)
static inline bool tc_can_offload(const struct net_device *dev,
const struct tcf_proto *tp)
{
const struct Qdisc *sch = tp->q;
const struct Qdisc_class_ops *cops = sch->ops->cl_ops;
if (!(dev->features & NETIF_F_HW_TC))
return false;
if (flags & TCA_CLS_FLAGS_SKIP_HW)
return false;
if (!dev->netdev_ops->ndo_setup_tc)
return false;
if (cops && cops->tcf_cl_offload)
@ -443,6 +441,19 @@ static inline bool tc_should_offload(const struct net_device *dev,
return true;
}
static inline bool tc_skip_hw(u32 flags)
{
return (flags & TCA_CLS_FLAGS_SKIP_HW) ? true : false;
}
static inline bool tc_should_offload(const struct net_device *dev,
const struct tcf_proto *tp, u32 flags)
{
if (tc_skip_hw(flags))
return false;
return tc_can_offload(dev, tp);
}
static inline bool tc_skip_sw(u32 flags)
{
return (flags & TCA_CLS_FLAGS_SKIP_SW) ? true : false;