netdev - [patch net-next 18/19] sched: cls_flower: expose priority to offloading netdevice

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Date:   Thu,  2 Feb 2017 16:12:58 +0100
From:   Jiri Pirko <jiri@...nulli.us>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, idosch@...lanox.com, eladr@...lanox.com,
        mlxsw@...lanox.com, ogerlitz@...lanox.com, jhs@...atatu.com,
        ivecera@...hat.com, jbenc@...hat.com
Subject: [patch net-next 18/19] sched: cls_flower: expose priority to offloading netdevice

From: Jiri Pirko <jiri@...lanox.com>

The driver that offloads flower rules needs to know with which priority
user inserted the rules. So add this information into offload struct.

Signed-off-by: Jiri Pirko <jiri@...lanox.com>
Acked-by: Ido Schimmel <idosch@...lanox.com>
---
 include/net/pkt_cls.h  | 1 +
 net/sched/cls_flower.c | 3 +++
 2 files changed, 4 insertions(+)

diff --git a/include/net/pkt_cls.h b/include/net/pkt_cls.h
index b43077e..dabb00a 100644
--- a/include/net/pkt_cls.h
+++ b/include/net/pkt_cls.h
@@ -481,6 +481,7 @@ enum tc_fl_command {
 
 struct tc_cls_flower_offload {
 	enum tc_fl_command command;
+	u32 prio;
 	unsigned long cookie;
 	struct flow_dissector *dissector;
 	struct fl_flow_key *mask;
diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c
index 9e74b0f..e96ced5 100644
--- a/net/sched/cls_flower.c
+++ b/net/sched/cls_flower.c
@@ -229,6 +229,7 @@ static void fl_hw_destroy_filter(struct tcf_proto *tp, struct cls_fl_filter *f)
 		return;
 
 	offload.command = TC_CLSFLOWER_DESTROY;
+	offload.prio = tp->prio;
 	offload.cookie = (unsigned long)f;
 
 	tc->type = TC_SETUP_CLSFLOWER;
@@ -260,6 +261,7 @@ static int fl_hw_replace_filter(struct tcf_proto *tp,
 	}
 
 	offload.command = TC_CLSFLOWER_REPLACE;
+	offload.prio = tp->prio;
 	offload.cookie = (unsigned long)f;
 	offload.dissector = dissector;
 	offload.mask = mask;
@@ -287,6 +289,7 @@ static void fl_hw_update_stats(struct tcf_proto *tp, struct cls_fl_filter *f)
 		return;
 
 	offload.command = TC_CLSFLOWER_STATS;
+	offload.prio = tp->prio;
 	offload.cookie = (unsigned long)f;
 	offload.exts = &f->exts;
 
-- 
2.7.4