From owner-freebsd-current@FreeBSD.ORG Fri Jul 8 18:55:19 2011 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id E5E8F1065672 for ; Fri, 8 Jul 2011 18:55:19 +0000 (UTC) (envelope-from monthadar@gmail.com) Received: from mail-gx0-f182.google.com (mail-gx0-f182.google.com [209.85.161.182]) by mx1.freebsd.org (Postfix) with ESMTP id A9F5A8FC0A for ; Fri, 8 Jul 2011 18:55:19 +0000 (UTC) Received: by gxk28 with SMTP id 28so1125598gxk.13 for ; Fri, 08 Jul 2011 11:55:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:content-type; bh=5bQWDbNTRnOOKtB24gVZ6YO6pTGJMuE4GfKuJqHoeOQ=; b=CckCav7Y8YFXa4EiwUGi8d0/q/T8kZ/TDRxwbgAI4/zwd41oDZqGpcH7/r3kmIUaep M/FPgTukY6kyzDesUG6Yvyq7NYFQnZyH+8arnxWDnADbkVhG9NJuhw6Yx7f22F0AcEbf fT3vwUamHyLaU5rvtZCt3SWMxiv15nYG76QIA= MIME-Version: 1.0 Received: by 10.151.118.2 with SMTP id v2mr2336648ybm.99.1310149475251; Fri, 08 Jul 2011 11:24:35 -0700 (PDT) Received: by 10.151.49.6 with HTTP; Fri, 8 Jul 2011 11:24:35 -0700 (PDT) Date: Fri, 8 Jul 2011 20:24:35 +0200 Message-ID: From: Monthadar Al Jaberi To: freebsd-current@freebsd.org Content-Type: text/plain; charset=ISO-8859-1 Subject: Mbuf: m_prepend & M_PREPEND packet header length difference problem X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 08 Jul 2011 18:55:20 -0000 Hi, The M_PREPEND macro updates m_pkthdr.len. But m_prepend does not update it. m_sanity function complains if I run m_prepend. Why doesnt m_prepend update m_pkthdr.len? br, -- //Monthadar Al Jaberi