Date: Wed, 23 Nov 2011 16:03:47 +0000 (UTC) From: "Bjoern A. Zeeb" <bz@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-releng@freebsd.org Subject: svn commit: r227892 - releng/9.0/sys/dev/qlxgb Message-ID: <201111231603.pANG3lsT052826@svn.freebsd.org>
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Author: bz Date: Wed Nov 23 16:03:47 2011 New Revision: 227892 URL: http://svn.freebsd.org/changeset/base/227892 Log: MFC r227547: 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) Approved by: re (kib) Modified: releng/9.0/sys/dev/qlxgb/qla_def.h Directory Properties: releng/9.0/sys/ (props changed) releng/9.0/sys/amd64/include/xen/ (props changed) releng/9.0/sys/boot/ (props changed) releng/9.0/sys/boot/i386/efi/ (props changed) releng/9.0/sys/boot/ia64/efi/ (props changed) releng/9.0/sys/boot/ia64/ski/ (props changed) releng/9.0/sys/boot/powerpc/boot1.chrp/ (props changed) releng/9.0/sys/boot/powerpc/ofw/ (props changed) releng/9.0/sys/cddl/contrib/opensolaris/ (props changed) releng/9.0/sys/conf/ (props changed) releng/9.0/sys/contrib/dev/acpica/ (props changed) releng/9.0/sys/contrib/octeon-sdk/ (props changed) releng/9.0/sys/contrib/pf/ (props changed) releng/9.0/sys/contrib/x86emu/ (props changed) Modified: releng/9.0/sys/dev/qlxgb/qla_def.h ============================================================================== --- releng/9.0/sys/dev/qlxgb/qla_def.h Wed Nov 23 16:02:36 2011 (r227891) +++ releng/9.0/sys/dev/qlxgb/qla_def.h Wed Nov 23 16:03:47 2011 (r227892) @@ -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
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