net/sched: cls_u32: Reflect HW offload status

U32 support for the "in hw" offloading flags.

Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Reviewed-by: Amir Vadai <amir@vadai.me>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/sched/cls_u32.c b/net/sched/cls_u32.c
index a6ec3e4b..4dbe0c6 100644
--- a/net/sched/cls_u32.c
+++ b/net/sched/cls_u32.c
@@ -523,6 +523,10 @@
 
 	err = dev->netdev_ops->ndo_setup_tc(dev, tp->q->handle,
 					    tp->protocol, &offload);
+
+	if (!err)
+		n->flags |= TCA_CLS_FLAGS_IN_HW;
+
 	if (tc_skip_sw(flags))
 		return err;
 
@@ -895,6 +899,9 @@
 			return err;
 		}
 
+		if (!tc_in_hw(new->flags))
+			new->flags |= TCA_CLS_FLAGS_NOT_IN_HW;
+
 		u32_replace_knode(tp, tp_c, new);
 		tcf_unbind_filter(tp, &n->res);
 		call_rcu(&n->rcu, u32_delete_key_rcu);
@@ -1014,6 +1021,9 @@
 		if (err)
 			goto errhw;
 
+		if (!tc_in_hw(n->flags))
+			n->flags |= TCA_CLS_FLAGS_NOT_IN_HW;
+
 		ins = &ht->ht[TC_U32_HASH(handle)];
 		for (pins = rtnl_dereference(*ins); pins;
 		     ins = &pins->next, pins = rtnl_dereference(*ins))