From owner-svn-src-all@FreeBSD.ORG Sun Dec 20 19:11:32 2009 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 CDB57106568D; Sun, 20 Dec 2009 19:11:32 +0000 (UTC) (envelope-from yongari@FreeBSD.org) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c]) by mx1.freebsd.org (Postfix) with ESMTP id BCBA08FC1D; Sun, 20 Dec 2009 19:11:32 +0000 (UTC) Received: from svn.freebsd.org (localhost [127.0.0.1]) by svn.freebsd.org (8.14.3/8.14.3) with ESMTP id nBKJBWX1072670; Sun, 20 Dec 2009 19:11:32 GMT (envelope-from yongari@svn.freebsd.org) Received: (from yongari@localhost) by svn.freebsd.org (8.14.3/8.14.3/Submit) id nBKJBWtt072669; Sun, 20 Dec 2009 19:11:32 GMT (envelope-from yongari@svn.freebsd.org) Message-Id: <200912201911.nBKJBWtt072669@svn.freebsd.org> From: Pyun YongHyeon Date: Sun, 20 Dec 2009 19:11:32 +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: r200758 - head/sys/dev/vge 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: Sun, 20 Dec 2009 19:11:32 -0000 Author: yongari Date: Sun Dec 20 19:11:32 2009 New Revision: 200758 URL: http://svn.freebsd.org/changeset/base/200758 Log: VT6130 datasheet was wrong. If VT6130 receive a jumbo frame the controller will split the jumbo frame into multiple RX buffers. However it seems the hardware always dma the frame to 8 bytes boundary for the split frames. Only the first part of the fragment can have 4 byte alignment and subsequent buffers should be 8 bytes aligned. Change RX buffer the alignment requirement to 8 bytes from 4 bytes. Modified: head/sys/dev/vge/if_vgevar.h Modified: head/sys/dev/vge/if_vgevar.h ============================================================================== --- head/sys/dev/vge/if_vgevar.h Sun Dec 20 18:57:43 2009 (r200757) +++ head/sys/dev/vge/if_vgevar.h Sun Dec 20 19:11:32 2009 (r200758) @@ -39,7 +39,7 @@ #define VGE_TX_RING_ALIGN 64 #define VGE_RX_RING_ALIGN 64 #define VGE_MAXTXSEGS 6 -#define VGE_RX_BUF_ALIGN sizeof(uint32_t) +#define VGE_RX_BUF_ALIGN sizeof(uint64_t) /* * VIA Velocity allows 64bit DMA addressing but high 16bits