diff options
Diffstat (limited to 'net/sched/sch_api.c')
| -rw-r--r-- | net/sched/sch_api.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c index e9eaf637220e..299086bb6205 100644 --- a/net/sched/sch_api.c +++ b/net/sched/sch_api.c @@ -1180,6 +1180,43 @@ skip: return 0; } +static int qdisc_block_add_dev(struct Qdisc *sch, struct net_device *dev, + struct netlink_ext_ack *extack) +{ + const struct Qdisc_class_ops *cl_ops = sch->ops->cl_ops; + struct tcf_block *block; + int err; + + block = cl_ops->tcf_block(sch, TC_H_MIN_INGRESS, NULL); + if (block) { + err = xa_insert(&block->ports, dev->ifindex, dev, GFP_KERNEL); + if (err) { + NL_SET_ERR_MSG(extack, + "ingress block dev insert failed"); + return err; + } + } + + block = cl_ops->tcf_block(sch, TC_H_MIN_EGRESS, NULL); + if (block) { + err = xa_insert(&block->ports, dev->ifindex, dev, GFP_KERNEL); + if (err) { + NL_SET_ERR_MSG(extack, + "Egress block dev insert failed"); + goto err_out; + } + } + + return 0; + +err_out: + block = cl_ops->tcf_block(sch, TC_H_MIN_INGRESS, NULL); + if (block) + xa_erase(&block->ports, dev->ifindex); + + return err; +} + static int qdisc_block_indexes_set(struct Qdisc *sch, struct nlattr **tca, struct netlink_ext_ack *extack) { @@ -1350,6 +1387,10 @@ static struct Qdisc *qdisc_create(struct net_device *dev, qdisc_hash_add(sch, false); trace_qdisc_create(ops, dev, parent); + err = qdisc_block_add_dev(sch, dev, extack); + if (err) + goto err_out4; + return sch; err_out4: |