diff options
Diffstat (limited to 'net/sched/sch_htb.c')
| -rw-r--r-- | net/sched/sch_htb.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c index cf1d45db4e84..9267922ea9c3 100644 --- a/net/sched/sch_htb.c +++ b/net/sched/sch_htb.c @@ -1084,11 +1084,15 @@ static int htb_init(struct Qdisc *sch, struct nlattr *opt, offload = nla_get_flag(tb[TCA_HTB_OFFLOAD]); if (offload) { - if (sch->parent != TC_H_ROOT) + if (sch->parent != TC_H_ROOT) { + NL_SET_ERR_MSG(extack, "HTB must be the root qdisc to use offload"); return -EOPNOTSUPP; + } - if (!tc_can_offload(dev) || !dev->netdev_ops->ndo_setup_tc) + if (!tc_can_offload(dev) || !dev->netdev_ops->ndo_setup_tc) { + NL_SET_ERR_MSG(extack, "hw-tc-offload ethtool feature flag must be on"); return -EOPNOTSUPP; + } q->num_direct_qdiscs = dev->real_num_tx_queues; q->direct_qdiscs = kcalloc(q->num_direct_qdiscs, |