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net: pkt_cls: Clarify a comment

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The bit about negating HW backlog left me scratching my head. Clarify the
comment.

Signed-off-by: Petr Machata <petrm@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Petr Machata 2019-12-18 14:55:08 +00:00 committed by David S. Miller
parent cbd22f172d
commit 9586a992fb
1 changed files with 2 additions and 3 deletions
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5
include/net/pkt_cls.h
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@ -791,9 +791,8 @@ enum tc_prio_command {
struct tc_prio_qopt_offload_params {
int bands;
u8 priomap[TC_PRIO_MAX + 1];
/* In case that a prio qdisc is offloaded and now is changed to a
* non-offloadedable config, it needs to update the backlog & qlen
* values to negate the HW backlog & qlen values (and only them).
/* At the point of un-offloading the Qdisc, the reported backlog and
* qlen need to be reduced by the portion that is in HW.
*/
struct gnet_stats_queue *qstats;
};