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net_sched: sch_tfs: implement lockless etf_dump()

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Instead of relying on RTNL, codel_dump() can use READ_ONCE()
annotations.

There is no etf_change() yet, this patch imply aligns
this qdisc with others.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2024-04-18 07:32:40 +00:00 committed by David S. Miller
parent c45bd26c82
commit a1ac3a7c3d
1 changed files with 5 additions and 5 deletions
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10
net/sched/sch_etf.c
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@ -467,15 +467,15 @@ static int etf_dump(struct Qdisc *sch, struct sk_buff *skb)
if (!nest)
goto nla_put_failure;
opt.delta = q->delta;
opt.clockid = q->clockid;
if (q->offload)
opt.delta = READ_ONCE(q->delta);
opt.clockid = READ_ONCE(q->clockid);
if (READ_ONCE(q->offload))
opt.flags |= TC_ETF_OFFLOAD_ON;
if (q->deadline_mode)
if (READ_ONCE(q->deadline_mode))
opt.flags |= TC_ETF_DEADLINE_MODE_ON;
if (q->skip_sock_check)
if (READ_ONCE(q->skip_sock_check))
opt.flags |= TC_ETF_SKIP_SOCK_CHECK;
if (nla_put(skb, TCA_ETF_PARMS, sizeof(opt), &opt))