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-rw-r--r--net/sched/cls_flower.c42
1 files changed, 25 insertions, 17 deletions
diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c
index 1ea6f76e64b6..5060801a2f6d 100644
--- a/net/sched/cls_flower.c
+++ b/net/sched/cls_flower.c
@@ -140,7 +140,7 @@ static int fl_classify(struct sk_buff *skb, const struct tcf_proto *tp,
f = rhashtable_lookup_fast(&head->ht,
fl_key_get_start(&skb_mkey, &head->mask),
head->ht_params);
- if (f && !(f->flags & TCA_CLS_FLAGS_SKIP_SW)) {
+ if (f && !tc_skip_sw(f->flags)) {
*res = f->res;
return tcf_exts_exec(skb, &f->exts, res);
}
@@ -187,19 +187,20 @@ static void fl_hw_destroy_filter(struct tcf_proto *tp, unsigned long cookie)
dev->netdev_ops->ndo_setup_tc(dev, tp->q->handle, tp->protocol, &tc);
}
-static void fl_hw_replace_filter(struct tcf_proto *tp,
- struct flow_dissector *dissector,
- struct fl_flow_key *mask,
- struct fl_flow_key *key,
- struct tcf_exts *actions,
- unsigned long cookie, u32 flags)
+static int fl_hw_replace_filter(struct tcf_proto *tp,
+ struct flow_dissector *dissector,
+ struct fl_flow_key *mask,
+ struct fl_flow_key *key,
+ struct tcf_exts *actions,
+ unsigned long cookie, u32 flags)
{
struct net_device *dev = tp->q->dev_queue->dev;
struct tc_cls_flower_offload offload = {0};
struct tc_to_netdev tc;
+ int err;
if (!tc_should_offload(dev, tp, flags))
- return;
+ return tc_skip_sw(flags) ? -EINVAL : 0;
offload.command = TC_CLSFLOWER_REPLACE;
offload.cookie = cookie;
@@ -211,7 +212,12 @@ static void fl_hw_replace_filter(struct tcf_proto *tp,
tc.type = TC_SETUP_CLSFLOWER;
tc.cls_flower = &offload;
- dev->netdev_ops->ndo_setup_tc(dev, tp->q->handle, tp->protocol, &tc);
+ err = dev->netdev_ops->ndo_setup_tc(dev, tp->q->handle, tp->protocol, &tc);
+
+ if (tc_skip_sw(flags))
+ return err;
+
+ return 0;
}
static void fl_hw_update_stats(struct tcf_proto *tp, struct cls_fl_filter *f)
@@ -572,20 +578,22 @@ static int fl_change(struct net *net, struct sk_buff *in_skb,
if (err)
goto errout;
- if (!(fnew->flags & TCA_CLS_FLAGS_SKIP_SW)) {
+ if (!tc_skip_sw(fnew->flags)) {
err = rhashtable_insert_fast(&head->ht, &fnew->ht_node,
head->ht_params);
if (err)
goto errout;
}
- fl_hw_replace_filter(tp,
- &head->dissector,
- &mask.key,
- &fnew->key,
- &fnew->exts,
- (unsigned long)fnew,
- fnew->flags);
+ err = fl_hw_replace_filter(tp,
+ &head->dissector,
+ &mask.key,
+ &fnew->key,
+ &fnew->exts,
+ (unsigned long)fnew,
+ fnew->flags);
+ if (err)
+ goto errout;
if (fold) {
rhashtable_remove_fast(&head->ht, &fold->ht_node,