netdev - Re: no reassembly for outgoing packets on RAW socket

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Date:	Fri, 11 Jun 2010 11:53:32 +0200 (CEST)
From:	Jan Engelhardt <jengelh@...ozas.de>
To:	Jiri Olsa <jolsa@...hat.com>
cc:	Patrick McHardy <kaber@...sh.net>, netdev@...r.kernel.org,
	Netfilter Developer Mailing List 
	<netfilter-devel@...r.kernel.org>
Subject: Re: no reassembly for outgoing packets on RAW socket


On Friday 2010-06-11 10:16, Jiri Olsa wrote:
>
>I prepared the patch implementing IP_NODEFRAG option for IPv4 socket.
>
>Also I just got an idea, that there could be no reassembly if there are
>no rules for connection tracing set.. not sure how can I check that best
>so far.. any idea?
>
>@@ -572,6 +572,14 @@ static int do_ip_setsockopt(struct sock *sk, int level,
> 		}
> 		inet->hdrincl = val ? 1 : 0;
> 		break;
>+	case IP_NODEFRAG:
>+		if (sk->sk_type != SOCK_RAW) {
>+			err = -ENOPROTOOPT;
>+			break;
>+		}
>+		inet->nodefrag = val ? 1 : 0;
>+		printk("IP_NODEFRAG %p -> %d\n", inet, inet->nodefrag);
>+		break;

You want to get rid of this printk otherwise it spews the logs.
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