diff options
Diffstat (limited to 'net')
-rw-r--r-- | net/sched/sch_tbf.c | 56 |
1 files changed, 55 insertions, 1 deletions
diff --git a/net/sched/sch_tbf.c b/net/sched/sch_tbf.c index 2cd94973795c..78e79029dc63 100644 --- a/net/sched/sch_tbf.c +++ b/net/sched/sch_tbf.c @@ -15,6 +15,7 @@ #include <linux/skbuff.h> #include <net/netlink.h> #include <net/sch_generic.h> +#include <net/pkt_cls.h> #include <net/pkt_sched.h> @@ -137,6 +138,52 @@ static u64 psched_ns_t2l(const struct psched_ratecfg *r, return len; } +static void tbf_offload_change(struct Qdisc *sch) +{ + struct tbf_sched_data *q = qdisc_priv(sch); + struct net_device *dev = qdisc_dev(sch); + struct tc_tbf_qopt_offload qopt; + + if (!tc_can_offload(dev) || !dev->netdev_ops->ndo_setup_tc) + return; + + qopt.command = TC_TBF_REPLACE; + qopt.handle = sch->handle; + qopt.parent = sch->parent; + qopt.replace_params.rate = q->rate; + qopt.replace_params.max_size = q->max_size; + qopt.replace_params.qstats = &sch->qstats; + + dev->netdev_ops->ndo_setup_tc(dev, TC_SETUP_QDISC_TBF, &qopt); +} + +static void tbf_offload_destroy(struct Qdisc *sch) +{ + struct net_device *dev = qdisc_dev(sch); + struct tc_tbf_qopt_offload qopt; + + if (!tc_can_offload(dev) || !dev->netdev_ops->ndo_setup_tc) + return; + + qopt.command = TC_TBF_DESTROY; + qopt.handle = sch->handle; + qopt.parent = sch->parent; + dev->netdev_ops->ndo_setup_tc(dev, TC_SETUP_QDISC_TBF, &qopt); +} + +static int tbf_offload_dump(struct Qdisc *sch) +{ + struct tc_tbf_qopt_offload qopt; + + qopt.command = TC_TBF_STATS; + qopt.handle = sch->handle; + qopt.parent = sch->parent; + qopt.stats.bstats = &sch->bstats; + qopt.stats.qstats = &sch->qstats; + + return qdisc_offload_dump_helper(sch, TC_SETUP_QDISC_TBF, &qopt); +} + /* GSO packet is too big, segment it so that tbf can transmit * each segment in time */ @@ -407,6 +454,8 @@ static int tbf_change(struct Qdisc *sch, struct nlattr *opt, sch_tree_unlock(sch); err = 0; + + tbf_offload_change(sch); done: return err; } @@ -432,6 +481,7 @@ static void tbf_destroy(struct Qdisc *sch) struct tbf_sched_data *q = qdisc_priv(sch); qdisc_watchdog_cancel(&q->watchdog); + tbf_offload_destroy(sch); qdisc_put(q->qdisc); } @@ -440,8 +490,12 @@ static int tbf_dump(struct Qdisc *sch, struct sk_buff *skb) struct tbf_sched_data *q = qdisc_priv(sch); struct nlattr *nest; struct tc_tbf_qopt opt; + int err; + + err = tbf_offload_dump(sch); + if (err) + return err; - sch->qstats.backlog = q->qdisc->qstats.backlog; nest = nla_nest_start_noflag(skb, TCA_OPTIONS); if (nest == NULL) goto nla_put_failure; |