On Tue, 2015-12-08 at 10:19 +0100, Per Hurtig wrote:
> +static u32 tcp_unsent_pkts(const struct sock *sk, u32 ulimit)
> +{
> + struct sk_buff *skb = tcp_send_head(sk);
> + u32 pkts = 0;
> +
> + if (skb)
> + tcp_for_write_queue_from(skb, sk) {
> + pkts += tcp_skb_pcount(skb);
> +
> + if (ulimit && pkts >= ulimit)
> + return ulimit;
> + }
> +
> + return pkts;
> +}
Considering Yuchung feedback, have you looked at using an approximation
instead ?
(ie using tp->write_seq - tp->snd_nxt)
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