netdev - Re: [PATCH 1/2 v3] xps: Improvements in TX queue selection

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Sun, 24 Oct 2010 15:32:06 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	therbert@...gle.com
Cc:	netdev@...r.kernel.org, eric.dumazet@...il.com
Subject: Re: [PATCH 1/2 v3] xps: Improvements in TX queue selection

From: Tom Herbert <therbert@...gle.com>
Date: Thu, 21 Oct 2010 13:17:08 -0700 (PDT)

> @@ -822,8 +822,10 @@ static int tcp_transmit_skb(struct sock *sk, struct sk_buff *skb, int clone_it,
>  							   &md5);
>  	tcp_header_size = tcp_options_size + sizeof(struct tcphdr);
>  
> -	if (tcp_packets_in_flight(tp) == 0)
> +	if (tcp_packets_in_flight(tp) == 0) {
>  		tcp_ca_event(sk, CA_EVENT_TX_START);
> +		skb->ooo_okay = 1;
> +	}
>  

You'll need to clear this flag the moment the first transmit of
this packet happens, otherwise OOO won't be handled correctly in
the event that fast retransmit is necessary later.
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html