From owner-freebsd-net@freebsd.org Fri Oct 16 17:56:41 2015 Return-Path: Delivered-To: freebsd-net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id D4F3AA1725A; Fri, 16 Oct 2015 17:56:41 +0000 (UTC) (envelope-from david.somayajulu@qlogic.com) Received: from mx0a-0016ce01.pphosted.com (mx0a-0016ce01.pphosted.com [67.231.148.157]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id AFACF1D4E; Fri, 16 Oct 2015 17:56:41 +0000 (UTC) (envelope-from david.somayajulu@qlogic.com) Received: from pps.filterd (m0045602.ppops.net [127.0.0.1]) by mx0a-0016ce01.pphosted.com (8.15.0.59/8.15.0.59) with SMTP id t9GHqgL7030968; Fri, 16 Oct 2015 10:56:35 -0700 Received: from avcashub1.qlogic.com (avcashub3.qlogic.com [198.70.193.117]) by mx0a-0016ce01.pphosted.com with ESMTP id 1xk5tm80pr-1 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=NOT); Fri, 16 Oct 2015 10:56:35 -0700 Received: from AVMB1.qlogic.org ([fe80::b816:e739:5ab3:5221]) by avcashub3.qlogic.org ([::1]) with mapi id 14.03.0235.001; Fri, 16 Oct 2015 10:56:34 -0700 From: David Somayajulu To: "freebsd-net@freebsd.org" , "freebsd-drivers@freebsd.org" Subject: Question on mbufs Thread-Topic: Question on mbufs Thread-Index: AdEIO7AvSu506SP2S+eNjYbnXXYYKQ== Date: Fri, 16 Oct 2015 17:56:33 +0000 Message-ID: <49F5640B08EAA94DAF2F6B6145E6A08A0194383DC4@AVMB1.qlogic.org> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.1.4.10] MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=nai engine=5700 definitions=7956 signatures=670649 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 clxscore=1011 suspectscore=0 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1507310000 definitions=main-1510160316 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.20 X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 16 Oct 2015 17:56:42 -0000 Hi All, When indicating a chain of mbufs to the network via ifp->if_input(), what a= re the repercussions of setting M_PKTHDR bit in all the mbufs in the chain,= instead of just the first mbuf ? Thanks David S. ________________________________ This message and any attached documents contain information from the sendin= g company or its parent company(s), subsidiaries, divisions or branch offic= es that may be confidential. If you are not the intended recipient, you may= not read, copy, distribute, or use this information. If you have received = this transmission in error, please notify the sender immediately by reply e= -mail and then delete this message.