linux-kernel - [v1,net-next 3/4] net: qos: police action add index for tc flower offloading

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Message-Id: <20200623063412.19180-3-po.liu@nxp.com>
Date:   Tue, 23 Jun 2020 14:34:11 +0800
From:   Po Liu <po.liu@....com>
To:     davem@...emloft.net, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, idosch@...sch.org
Cc:     jiri@...nulli.us, vinicius.gomes@...el.com, vlad@...lov.dev,
        claudiu.manoil@....com, vladimir.oltean@....com,
        alexandru.marginean@....com, michael.chan@...adcom.com,
        vishal@...lsio.com, saeedm@...lanox.com, leon@...nel.org,
        jiri@...lanox.com, idosch@...lanox.com,
        alexandre.belloni@...tlin.com, UNGLinuxDriver@...rochip.com,
        kuba@...nel.org, jhs@...atatu.com, xiyou.wangcong@...il.com,
        simon.horman@...ronome.com, pablo@...filter.org,
        moshe@...lanox.com, m-karicheri2@...com,
        andre.guedes@...ux.intel.com, stephen@...workplumber.org,
        Po Liu <Po.Liu@....com>
Subject: [v1,net-next 3/4] net: qos: police action add index for tc flower offloading

From: Po Liu <Po.Liu@....com>

Hardware may own many entries for police flow. So that make one(or
 multi) flow to be policed by one hardware entry. This patch add the
police action index provide to the driver side make it mapping the
driver hardware entry index.

Signed-off-by: Po Liu <Po.Liu@....com>
---
 include/net/flow_offload.h | 1 +
 net/sched/cls_api.c        | 1 +
 2 files changed, 2 insertions(+)

diff --git a/include/net/flow_offload.h b/include/net/flow_offload.h
index c2ef19c6b27d..eed98075b1ae 100644
--- a/include/net/flow_offload.h
+++ b/include/net/flow_offload.h
@@ -232,6 +232,7 @@ struct flow_action_entry {
 			bool			truncate;
 		} sample;
 		struct {				/* FLOW_ACTION_POLICE */
+			u32			index;
 			s64			burst;
 			u64			rate_bytes_ps;
 			u32			mtu;
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index 6aba7d5ba1ec..fdc4c89ca1fa 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -3659,6 +3659,7 @@ int tc_setup_flow_action(struct flow_action *flow_action,
 			entry->police.rate_bytes_ps =
 				tcf_police_rate_bytes_ps(act);
 			entry->police.mtu = tcf_police_tcfp_mtu(act);
+			entry->police.index = act->tcfa_index;
 		} else if (is_tcf_ct(act)) {
 			entry->id = FLOW_ACTION_CT;
 			entry->ct.action = tcf_ct_action(act);
-- 
2.17.1