[PATCH 16/18] net/sched: cls_matchall: Reflect HW offloading status

[Talat Batheesh]

From: Or Gerlitz <ogerlitz at mellanox.com>

BugLink: https://bugs.launchpad.net/ubuntu/1668019

Matchall support for the "in hw" offloading flags.

Signed-off-by: Or Gerlitz <ogerlitz at mellanox.com>
Reviewed-by: Amir Vadai <amir at vadai.me>
Acked-by: Jiri Pirko <jiri at mellanox.com>
Signed-off-by: David S. Miller <davem at davemloft.net>
(cherry picked from commit c7d2b2f5eebe6e76efc11cfd7a600c0748234f3a)
Signed-off-by: Talat Batheesh <talatb at mellanox.com>
---
 net/sched/cls_matchall.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/net/sched/cls_matchall.c b/net/sched/cls_matchall.c
index f4327e8..55f0be3 100644
--- a/net/sched/cls_matchall.c
+++ b/net/sched/cls_matchall.c
@@ -56,6 +56,7 @@ static int mall_replace_hw_filter(struct tcf_proto *tp,
 	struct net_device *dev = tp->q->dev_queue->dev;
 	struct tc_to_netdev offload;
 	struct tc_cls_matchall_offload mall_offload = {0};
+	int err;
 
 	offload.type = TC_SETUP_MATCHALL;
 	offload.cls_mall = &mall_offload;
@@ -63,8 +64,12 @@ static int mall_replace_hw_filter(struct tcf_proto *tp,
 	offload.cls_mall->exts = &head->exts;
 	offload.cls_mall->cookie = cookie;
 
-	return dev->netdev_ops->ndo_setup_tc(dev, tp->q->handle, tp->protocol,
-					     &offload);
+	err = dev->netdev_ops->ndo_setup_tc(dev, tp->q->handle, tp->protocol,
+					    &offload);
+	if (!err)
+		head->flags |= TCA_CLS_FLAGS_IN_HW;
+
+	return err;
 }
 
 static void mall_destroy_hw_filter(struct tcf_proto *tp,
@@ -187,6 +192,9 @@ static int mall_change(struct net *net, struct sk_buff *in_skb,
 		}
 	}
 
+	if (!tc_in_hw(new->flags))
+		new->flags |= TCA_CLS_FLAGS_NOT_IN_HW;
+
 	*arg = (unsigned long) head;
 	rcu_assign_pointer(tp->root, new);
 	if (head)
-- 
2.5.0