From owner-svn-src-all@FreeBSD.ORG Wed Nov 16 02:00:56 2011 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 1636D106566B; Wed, 16 Nov 2011 02:00:56 +0000 (UTC) (envelope-from bz@FreeBSD.org) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c]) by mx1.freebsd.org (Postfix) with ESMTP id 05C578FC19; Wed, 16 Nov 2011 02:00:56 +0000 (UTC) Received: from svn.freebsd.org (localhost [127.0.0.1]) by svn.freebsd.org (8.14.4/8.14.4) with ESMTP id pAG20tPk026346; Wed, 16 Nov 2011 02:00:55 GMT (envelope-from bz@svn.freebsd.org) Received: (from bz@localhost) by svn.freebsd.org (8.14.4/8.14.4/Submit) id pAG20tkg026344; Wed, 16 Nov 2011 02:00:55 GMT (envelope-from bz@svn.freebsd.org) Message-Id: <201111160200.pAG20tkg026344@svn.freebsd.org> From: "Bjoern A. Zeeb" Date: Wed, 16 Nov 2011 02:00:55 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Cc: Subject: svn commit: r227547 - head/sys/dev/qlxgb X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 16 Nov 2011 02:00:56 -0000 Author: bz Date: Wed Nov 16 02:00:55 2011 New Revision: 227547 URL: http://svn.freebsd.org/changeset/base/227547 Log: The maximum TSO frame size should be: maximum IP datagram size (65535 bytes) + Ethernet header size (14 bytes) + 2 * VLAN tag size (4 bytes) [1]. [1] We need to multiply by 2 to account for the double VLAN tag provision added in IEEE 802.1ad. Submitted by: David Somayajulu (david.somayajulu qlogic.com) MFC after: 4 days Modified: head/sys/dev/qlxgb/qla_def.h Modified: head/sys/dev/qlxgb/qla_def.h ============================================================================== --- head/sys/dev/qlxgb/qla_def.h Wed Nov 16 02:00:27 2011 (r227546) +++ head/sys/dev/qlxgb/qla_def.h Wed Nov 16 02:00:55 2011 (r227547) @@ -86,7 +86,7 @@ typedef struct qla_tx_buf qla_tx_buf_t; #define QLA_MAX_SEGMENTS 63 /* maximum # of segs in a sg list */ #define QLA_MAX_FRAME_SIZE MJUM9BYTES #define QLA_STD_FRAME_SIZE 1514 -#define QLA_MAX_TSO_FRAME_SIZE (64 * 1024 - 1) +#define QLA_MAX_TSO_FRAME_SIZE ((64 * 1024 - 1) + 22) /* Number of MSIX/MSI Vectors required */ #define Q8_MSI_COUNT 4