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| author |   David S. Miller <davem@davemloft.net> | 2018-01-02 13:17:46 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-01-02 13:17:46 -0500 |
| commit | 41584f67d243a87105536bfab6865b6c4e23f365 (patch) | |
| tree | 62445e245b6944cf4b8b0559a3e4a35050589eee | |
| parent | sky2: Replace mdelay with msleep in sky2_vpd_wait (diff) | |
| parent | net: sched: Move offload check till after dump call (diff) | |
| download | linux-dev-41584f67d243a87105536bfab6865b6c4e23f365.tar.xz linux-dev-41584f67d243a87105536bfab6865b6c4e23f365.zip | |
Merge branch 'net-sched-Fix-RED-qdisc-offload-flag'
Nogah Frankel says:
====================
net: sched: Fix RED qdisc offload flag
Replacing the RED offload flag (TC_RED_OFFLOADED) with the generic one
(TCQ_F_OFFLOADED) deleted some of the logic behind it. This patchset fixes
this problem.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/sched/sch_api.c | 5 | ||||
| -rw-r--r-- | net/sched/sch_red.c | 26 |
2 files changed, 16 insertions, 15 deletions
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c index 81ecf5bec26d..8a04c36e579f 100644 --- a/net/sched/sch_api.c +++ b/net/sched/sch_api.c @@ -807,11 +807,10 @@ static int tc_fill_qdisc(struct sk_buff *skb, struct Qdisc *q, u32 clid, tcm->tcm_info = refcount_read(&q->refcnt); if (nla_put_string(skb, TCA_KIND, q->ops->id)) goto nla_put_failure; - if (nla_put_u8(skb, TCA_HW_OFFLOAD, !!(q->flags & TCQ_F_OFFLOADED))) - goto nla_put_failure; if (q->ops->dump && q->ops->dump(q, skb) < 0) goto nla_put_failure; - + if (nla_put_u8(skb, TCA_HW_OFFLOAD, !!(q->flags & TCQ_F_OFFLOADED))) + goto nla_put_failure; qlen = qdisc_qlen_sum(q); stab = rtnl_dereference(q->stab); diff --git a/net/sched/sch_red.c b/net/sched/sch_red.c index ec0bd36e09a9..a392eaa4a0b4 100644 --- a/net/sched/sch_red.c +++ b/net/sched/sch_red.c @@ -157,7 +157,6 @@ static int red_offload(struct Qdisc *sch, bool enable) .handle = sch->handle, .parent = sch->parent, }; - int err; if (!tc_can_offload(dev) || !dev->netdev_ops->ndo_setup_tc) return -EOPNOTSUPP; @@ -172,14 +171,7 @@ static int red_offload(struct Qdisc *sch, bool enable) opt.command = TC_RED_DESTROY; } - err = dev->netdev_ops->ndo_setup_tc(dev, TC_SETUP_QDISC_RED, &opt); - - if (!err && enable) - sch->flags |= TCQ_F_OFFLOADED; - else - sch->flags &= ~TCQ_F_OFFLOADED; - - return err; + return dev->netdev_ops->ndo_setup_tc(dev, TC_SETUP_QDISC_RED, &opt); } static void red_destroy(struct Qdisc *sch) @@ -297,12 +289,22 @@ static int red_dump_offload_stats(struct Qdisc *sch, struct tc_red_qopt *opt) .stats.qstats = &sch->qstats, }, }; + int err; + + sch->flags &= ~TCQ_F_OFFLOADED; - if (!(sch->flags & TCQ_F_OFFLOADED)) + if (!tc_can_offload(dev) || !dev->netdev_ops->ndo_setup_tc) + return 0; + + err = dev->netdev_ops->ndo_setup_tc(dev, TC_SETUP_QDISC_RED, + &hw_stats); + if (err == -EOPNOTSUPP) return 0; - return dev->netdev_ops->ndo_setup_tc(dev, TC_SETUP_QDISC_RED, - &hw_stats); + if (!err) + sch->flags |= TCQ_F_OFFLOADED; + + return err; } static int red_dump(struct Qdisc *sch, struct sk_buff *skb) |