diff options
Diffstat (limited to 'net/sched/sch_red.c')
-rw-r--r-- | net/sched/sch_red.c | 52 |
1 files changed, 25 insertions, 27 deletions
diff --git a/net/sched/sch_red.c b/net/sched/sch_red.c index 7f8ea9e297c3..16644b3d2362 100644 --- a/net/sched/sch_red.c +++ b/net/sched/sch_red.c @@ -167,6 +167,7 @@ static int red_offload(struct Qdisc *sch, bool enable) opt.set.max = q->parms.qth_max >> q->parms.Wlog; opt.set.probability = q->parms.max_P; opt.set.is_ecn = red_use_ecn(q); + opt.set.qstats = &sch->qstats; } else { opt.command = TC_RED_DESTROY; } @@ -189,7 +190,8 @@ static const struct nla_policy red_policy[TCA_RED_MAX + 1] = { [TCA_RED_MAX_P] = { .type = NLA_U32 }, }; -static int red_change(struct Qdisc *sch, struct nlattr *opt) +static int red_change(struct Qdisc *sch, struct nlattr *opt, + struct netlink_ext_ack *extack) { struct red_sched_data *q = qdisc_priv(sch); struct nlattr *tb[TCA_RED_MAX + 1]; @@ -212,9 +214,12 @@ static int red_change(struct Qdisc *sch, struct nlattr *opt) max_P = tb[TCA_RED_MAX_P] ? nla_get_u32(tb[TCA_RED_MAX_P]) : 0; ctl = nla_data(tb[TCA_RED_PARMS]); + if (!red_check_params(ctl->qth_min, ctl->qth_max, ctl->Wlog)) + return -EINVAL; if (ctl->limit > 0) { - child = fifo_create_dflt(sch, &bfifo_qdisc_ops, ctl->limit); + child = fifo_create_dflt(sch, &bfifo_qdisc_ops, ctl->limit, + extack); if (IS_ERR(child)) return PTR_ERR(child); } @@ -262,17 +267,18 @@ static inline void red_adaptative_timer(struct timer_list *t) spin_unlock(root_lock); } -static int red_init(struct Qdisc *sch, struct nlattr *opt) +static int red_init(struct Qdisc *sch, struct nlattr *opt, + struct netlink_ext_ack *extack) { struct red_sched_data *q = qdisc_priv(sch); q->qdisc = &noop_qdisc; q->sch = sch; timer_setup(&q->adapt_timer, red_adaptative_timer, 0); - return red_change(sch, opt); + return red_change(sch, opt, extack); } -static int red_dump_offload(struct Qdisc *sch, struct tc_red_qopt *opt) +static int red_dump_offload_stats(struct Qdisc *sch, struct tc_red_qopt *opt) { struct net_device *dev = qdisc_dev(sch); struct tc_red_qopt_offload hw_stats = { @@ -286,7 +292,8 @@ static int red_dump_offload(struct Qdisc *sch, struct tc_red_qopt *opt) }; int err; - opt->flags &= ~TC_RED_OFFLOADED; + sch->flags &= ~TCQ_F_OFFLOADED; + if (!tc_can_offload(dev) || !dev->netdev_ops->ndo_setup_tc) return 0; @@ -296,7 +303,7 @@ static int red_dump_offload(struct Qdisc *sch, struct tc_red_qopt *opt) return 0; if (!err) - opt->flags |= TC_RED_OFFLOADED; + sch->flags |= TCQ_F_OFFLOADED; return err; } @@ -316,8 +323,7 @@ static int red_dump(struct Qdisc *sch, struct sk_buff *skb) }; int err; - sch->qstats.backlog = q->qdisc->qstats.backlog; - err = red_dump_offload(sch, &opt); + err = red_dump_offload_stats(sch, &opt); if (err) goto nla_put_failure; @@ -338,32 +344,24 @@ static int red_dump_stats(struct Qdisc *sch, struct gnet_dump *d) { struct red_sched_data *q = qdisc_priv(sch); struct net_device *dev = qdisc_dev(sch); - struct tc_red_xstats st = { - .early = q->stats.prob_drop + q->stats.forced_drop, - .pdrop = q->stats.pdrop, - .other = q->stats.other, - .marked = q->stats.prob_mark + q->stats.forced_mark, - }; + struct tc_red_xstats st = {0}; - if (tc_can_offload(dev) && dev->netdev_ops->ndo_setup_tc) { - struct red_stats hw_stats = {0}; + if (sch->flags & TCQ_F_OFFLOADED) { struct tc_red_qopt_offload hw_stats_request = { .command = TC_RED_XSTATS, .handle = sch->handle, .parent = sch->parent, { - .xstats = &hw_stats, + .xstats = &q->stats, }, }; - if (!dev->netdev_ops->ndo_setup_tc(dev, - TC_SETUP_QDISC_RED, - &hw_stats_request)) { - st.early += hw_stats.prob_drop + hw_stats.forced_drop; - st.pdrop += hw_stats.pdrop; - st.other += hw_stats.other; - st.marked += hw_stats.prob_mark + hw_stats.forced_mark; - } + dev->netdev_ops->ndo_setup_tc(dev, TC_SETUP_QDISC_RED, + &hw_stats_request); } + st.early = q->stats.prob_drop + q->stats.forced_drop; + st.pdrop = q->stats.pdrop; + st.other = q->stats.other; + st.marked = q->stats.prob_mark + q->stats.forced_mark; return gnet_stats_copy_app(d, &st, sizeof(st)); } @@ -379,7 +377,7 @@ static int red_dump_class(struct Qdisc *sch, unsigned long cl, } static int red_graft(struct Qdisc *sch, unsigned long arg, struct Qdisc *new, - struct Qdisc **old) + struct Qdisc **old, struct netlink_ext_ack *extack) { struct red_sched_data *q = qdisc_priv(sch); |