diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index f45b1a4e37ab64680987b4c09d5d6dbe8a03ae5c..6b863ed3174aee1aa75c07fc8ac364065536aa8a 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -791,6 +791,7 @@ enum tc_setup_type { TC_SETUP_QDISC_CBS, TC_SETUP_QDISC_RED, TC_SETUP_QDISC_PRIO, + TC_SETUP_QDISC_MQ, }; /* These structures hold the attributes of bpf state that are being passed diff --git a/include/net/pkt_cls.h b/include/net/pkt_cls.h index f3ec437257246d03d684e06cf2f1b77dcfed0f41..942f839dbca4e1b10e712549b3f6f47570d59acf 100644 --- a/include/net/pkt_cls.h +++ b/include/net/pkt_cls.h @@ -778,6 +778,16 @@ struct tc_qopt_offload_stats { struct gnet_stats_queue *qstats; }; +enum tc_mq_command { + TC_MQ_CREATE, + TC_MQ_DESTROY, +}; + +struct tc_mq_qopt_offload { + enum tc_mq_command command; + u32 handle; +}; + enum tc_red_command { TC_RED_REPLACE, TC_RED_DESTROY, diff --git a/net/sched/sch_mq.c b/net/sched/sch_mq.c index f062a18e9162ad215343023b69c3e87a81cf6651..6ccf6daa250344f7127c191ba1beee316d4b5cf8 100644 --- a/net/sched/sch_mq.c +++ b/net/sched/sch_mq.c @@ -16,6 +16,7 @@ #include #include #include +#include #include #include @@ -23,12 +24,28 @@ struct mq_sched { struct Qdisc **qdiscs; }; +static int mq_offload(struct Qdisc *sch, enum tc_mq_command cmd) +{ + struct net_device *dev = qdisc_dev(sch); + struct tc_mq_qopt_offload opt = { + .command = cmd, + .handle = sch->handle, + }; + + if (!tc_can_offload(dev) || !dev->netdev_ops->ndo_setup_tc) + return -EOPNOTSUPP; + + return dev->netdev_ops->ndo_setup_tc(dev, TC_SETUP_QDISC_MQ, &opt); +} + static void mq_destroy(struct Qdisc *sch) { struct net_device *dev = qdisc_dev(sch); struct mq_sched *priv = qdisc_priv(sch); unsigned int ntx; + mq_offload(sch, TC_MQ_DESTROY); + if (!priv->qdiscs) return; for (ntx = 0; ntx < dev->num_tx_queues && priv->qdiscs[ntx]; ntx++) @@ -70,6 +87,8 @@ static int mq_init(struct Qdisc *sch, struct nlattr *opt, } sch->flags |= TCQ_F_MQROOT; + + mq_offload(sch, TC_MQ_CREATE); return 0; }