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flow_offload: add ops to tc_action_ops for flow action setup

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Add a new ops to tc_action_ops for flow action setup.

Refactor function tc_setup_flow_action to use this new ops.

We make this change to facilitate to add standalone action module.

We will also use this ops to offload action independent of filter
in following patch.

Signed-off-by: Baowen Zheng <baowen.zheng@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Baowen Zheng
2021-12-17 19:16:21 +01:00
committed by David S. Miller
parent 9c1c0e124c
commit c54e1d920f
14 changed files with 406 additions and 208 deletions
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28
net/sched/act_sample.c
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@ -282,6 +282,33 @@ tcf_sample_get_group(const struct tc_action *a,
return group;
}
static void tcf_offload_sample_get_group(struct flow_action_entry *entry,
const struct tc_action *act)
{
entry->sample.psample_group =
act->ops->get_psample_group(act, &entry->destructor);
entry->destructor_priv = entry->sample.psample_group;
}
static int tcf_sample_offload_act_setup(struct tc_action *act, void *entry_data,
u32 *index_inc, bool bind)
{
if (bind) {
struct flow_action_entry *entry = entry_data;
entry->id = FLOW_ACTION_SAMPLE;
entry->sample.trunc_size = tcf_sample_trunc_size(act);
entry->sample.truncate = tcf_sample_truncate(act);
entry->sample.rate = tcf_sample_rate(act);
tcf_offload_sample_get_group(entry, act);
*index_inc = 1;
} else {
return -EOPNOTSUPP;
}
return 0;
}
static struct tc_action_ops act_sample_ops = {
.kind = "sample",
.id = TCA_ID_SAMPLE,
@ -294,6 +321,7 @@ static struct tc_action_ops act_sample_ops = {
.walk = tcf_sample_walker,
.lookup = tcf_sample_search,
.get_psample_group = tcf_sample_get_group,
.offload_act_setup = tcf_sample_offload_act_setup,
.size = sizeof(struct tcf_sample),
};