diff options
Diffstat (limited to 'net/sched')
-rw-r--r-- | net/sched/cls_flower.c | 42 |
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, |