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author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-04-21 23:18:44 +0200 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-04-21 23:18:44 +0200 |
commit | 817de6b85914a3dda72b971c074d4d342965fba0 (patch) | |
tree | df0a4563a04aadb8f8595f72392d66d65797c455 /include/net/sch_generic.h | |
parent | staging: kpc2000: add initial set of Daktronics drivers (diff) | |
parent | Linux 5.1-rc6 (diff) | |
download | linux-dev-817de6b85914a3dda72b971c074d4d342965fba0.tar.xz linux-dev-817de6b85914a3dda72b971c074d4d342965fba0.zip |
Merge 5.1-rc6 into staging-next
We want the fixes in here as well as this resolves an iio driver merge
issue.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/net/sch_generic.h')
-rw-r--r-- | include/net/sch_generic.h | 44 |
1 files changed, 37 insertions, 7 deletions
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h index 7d1a0483a17b..a2b38b3deeca 100644 --- a/include/net/sch_generic.h +++ b/include/net/sch_generic.h @@ -923,6 +923,41 @@ static inline void qdisc_qstats_overlimit(struct Qdisc *sch) sch->qstats.overlimits++; } +static inline int qdisc_qstats_copy(struct gnet_dump *d, struct Qdisc *sch) +{ + __u32 qlen = qdisc_qlen_sum(sch); + + return gnet_stats_copy_queue(d, sch->cpu_qstats, &sch->qstats, qlen); +} + +static inline void qdisc_qstats_qlen_backlog(struct Qdisc *sch, __u32 *qlen, + __u32 *backlog) +{ + struct gnet_stats_queue qstats = { 0 }; + __u32 len = qdisc_qlen_sum(sch); + + __gnet_stats_copy_queue(&qstats, sch->cpu_qstats, &sch->qstats, len); + *qlen = qstats.qlen; + *backlog = qstats.backlog; +} + +static inline void qdisc_tree_flush_backlog(struct Qdisc *sch) +{ + __u32 qlen, backlog; + + qdisc_qstats_qlen_backlog(sch, &qlen, &backlog); + qdisc_tree_reduce_backlog(sch, qlen, backlog); +} + +static inline void qdisc_purge_queue(struct Qdisc *sch) +{ + __u32 qlen, backlog; + + qdisc_qstats_qlen_backlog(sch, &qlen, &backlog); + qdisc_reset(sch); + qdisc_tree_reduce_backlog(sch, qlen, backlog); +} + static inline void qdisc_skb_head_init(struct qdisc_skb_head *qh) { qh->head = NULL; @@ -1106,13 +1141,8 @@ static inline struct Qdisc *qdisc_replace(struct Qdisc *sch, struct Qdisc *new, sch_tree_lock(sch); old = *pold; *pold = new; - if (old != NULL) { - unsigned int qlen = old->q.qlen; - unsigned int backlog = old->qstats.backlog; - - qdisc_reset(old); - qdisc_tree_reduce_backlog(old, qlen, backlog); - } + if (old != NULL) + qdisc_tree_flush_backlog(old); sch_tree_unlock(sch); return old; |