From owner-freebsd-hackers Fri Sep 21 0:12:36 2001 Delivered-To: freebsd-hackers@freebsd.org Received: from info.iet.unipi.it (info.iet.unipi.it [131.114.9.184]) by hub.freebsd.org (Postfix) with ESMTP id 4658D37B41D; Fri, 21 Sep 2001 00:12:32 -0700 (PDT) Received: (from luigi@localhost) by info.iet.unipi.it (8.9.3/8.9.3) id JAA57756; Fri, 21 Sep 2001 09:03:12 +0200 (CEST) (envelope-from luigi) From: Luigi Rizzo Message-Id: <200109210703.JAA57756@info.iet.unipi.it> Subject: any reason to use m_devget in the "dc" driver ? To: hackers@freebsd.org, wpaul@freebsd.org Date: Fri, 21 Sep 2001 09:03:12 +0200 (CEST) X-Mailer: ELM [version 2.4ME+ PL61 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG Does anyone know of specific reasons to use m_devget() to extract received packets from the rx buffer in the "dc" driver, as opposed to passing up the mbuf and just replacing it with a fresh one in the controller's queue ? Other drivers just happily do the latter, including the "de" driver, so there seems to be no problem with the chipset in handling this ? Bill, any comments ? cheers luigi ----------------------------------+----------------------------------------- Luigi RIZZO, luigi@iet.unipi.it . ACIRI/ICSI (on leave from Univ. di Pisa) http://www.iet.unipi.it/~luigi/ . 1947 Center St, Berkeley CA 94704 Phone (510) 666 2927 . ----------------------------------+----------------------------------------- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message