[PATCH net-next v2 3/4] net: sched: introduce __tc_classid_to_hwtc() helper
From: Vadym Kochan <hidden>
Date: 2021-08-02 14:16:40
Also in:
netdev
Subsystem:
networking [general], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Vadym Kochan <redacted> There might be a case when the ingress HW queues are globally shared in ASIC and are not per port (netdev). So add a __tc_classid_to_hwtc() version which accepts number of tc instead of netdev. Signed-off-by: Vadym Kochan <redacted> --- include/net/sch_generic.h | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index c0069ac00e62..df04f4035a4b 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h@@ -668,11 +668,16 @@ qdisc_class_find(const struct Qdisc_class_hash *hash, u32 id) return NULL; } -static inline int tc_classid_to_hwtc(struct net_device *dev, u32 classid) +static inline int __tc_classid_to_hwtc(u32 tc_num, u32 classid) { u32 hwtc = TC_H_MIN(classid) - TC_H_MIN_PRIORITY; - return (hwtc < netdev_get_num_tc(dev)) ? hwtc : -EINVAL; + return (hwtc < tc_num) ? hwtc : -EINVAL; +} + +static inline int tc_classid_to_hwtc(struct net_device *dev, u32 classid) +{ + return __tc_classid_to_hwtc(netdev_get_num_tc(dev), classid); } int qdisc_class_hash_init(struct Qdisc_class_hash *);
--
2.17.1