net_sched: sch_tfs: implement lockless etf_dump()
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>
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@ -467,15 +467,15 @@ static int etf_dump(struct Qdisc *sch, struct sk_buff *skb)
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if (!nest)
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goto nla_put_failure;
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opt.delta = q->delta;
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opt.clockid = q->clockid;
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if (q->offload)
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opt.delta = READ_ONCE(q->delta);
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opt.clockid = READ_ONCE(q->clockid);
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if (READ_ONCE(q->offload))
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opt.flags |= TC_ETF_OFFLOAD_ON;
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if (q->deadline_mode)
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if (READ_ONCE(q->deadline_mode))
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opt.flags |= TC_ETF_DEADLINE_MODE_ON;
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if (q->skip_sock_check)
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if (READ_ONCE(q->skip_sock_check))
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opt.flags |= TC_ETF_SKIP_SOCK_CHECK;
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if (nla_put(skb, TCA_ETF_PARMS, sizeof(opt), &opt))
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