netdev - [PATCH net-next v2] net: sched: cls_flower: dump offload count value

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Date:   Fri,  7 Sep 2018 17:22:21 +0300
From:   Vlad Buslov <vladbu@...lanox.com>
To:     netdev@...r.kernel.org
Cc:     jakub.kicinski@...ronome.com, jhs@...atatu.com,
        xiyou.wangcong@...il.com, jiri@...nulli.us, davem@...emloft.net,
        Vlad Buslov <vladbu@...lanox.com>
Subject: [PATCH net-next v2] net: sched: cls_flower: dump offload count value

Change flower in_hw_count type to fixed-size u32 and dump it as
TCA_FLOWER_IN_HW_COUNT. This change is necessary to properly test shared
blocks and re-offload functionality.

Signed-off-by: Vlad Buslov <vladbu@...lanox.com>
Acked-by: Jiri Pirko <jiri@...lanox.com>
---
 include/net/sch_generic.h    | 2 +-
 include/uapi/linux/pkt_cls.h | 2 ++
 net/sched/cls_flower.c       | 5 ++++-
 3 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index a6d00093f35e..d68ac55539a5 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -362,7 +362,7 @@ static inline void tcf_block_offload_dec(struct tcf_block *block, u32 *flags)
 }
 
 static inline void
-tc_cls_offload_cnt_update(struct tcf_block *block, unsigned int *cnt,
+tc_cls_offload_cnt_update(struct tcf_block *block, u32 *cnt,
 			  u32 *flags, bool add)
 {
 	if (add) {
diff --git a/include/uapi/linux/pkt_cls.h b/include/uapi/linux/pkt_cls.h
index be382fb0592d..401d0c1e612d 100644
--- a/include/uapi/linux/pkt_cls.h
+++ b/include/uapi/linux/pkt_cls.h
@@ -483,6 +483,8 @@ enum {
 	TCA_FLOWER_KEY_ENC_OPTS,
 	TCA_FLOWER_KEY_ENC_OPTS_MASK,
 
+	TCA_FLOWER_IN_HW_COUNT,
+
 	__TCA_FLOWER_MAX,
 };
 
diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c
index 6fd9bdd93796..4b8dd37dd4f8 100644
--- a/net/sched/cls_flower.c
+++ b/net/sched/cls_flower.c
@@ -98,7 +98,7 @@ struct cls_fl_filter {
 	struct list_head list;
 	u32 handle;
 	u32 flags;
-	unsigned int in_hw_count;
+	u32 in_hw_count;
 	struct rcu_work rwork;
 	struct net_device *hw_dev;
 };
@@ -1880,6 +1880,9 @@ static int fl_dump(struct net *net, struct tcf_proto *tp, void *fh,
 	if (f->flags && nla_put_u32(skb, TCA_FLOWER_FLAGS, f->flags))
 		goto nla_put_failure;
 
+	if (nla_put_u32(skb, TCA_FLOWER_IN_HW_COUNT, f->in_hw_count))
+		goto nla_put_failure;
+
 	if (tcf_exts_dump(skb, &f->exts))
 		goto nla_put_failure;
 
-- 
2.7.5