From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Hutchings Subject: [PATCH 1/3] mdio: Add 10GBASE-T SNR register definition Date: Fri, 15 May 2009 17:04:12 +0100 Message-ID: <1242403452.3262.0.camel@achroite> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, linux-net-drivers@solarflare.com To: David Miller Return-path: Received: from smarthost03.mail.zen.net.uk ([212.23.3.142]:58090 "EHLO smarthost03.mail.zen.net.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1762605AbZEOQEQ (ORCPT ); Fri, 15 May 2009 12:04:16 -0400 Sender: netdev-owner@vger.kernel.org List-ID: These do not have an in-kernel user but may be useful to user-space. Signed-off-by: Ben Hutchings --- include/linux/mdio.h | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-) diff --git a/include/linux/mdio.h b/include/linux/mdio.h index 26b4eb3..825f1e2 100644 --- a/include/linux/mdio.h +++ b/include/linux/mdio.h @@ -46,6 +46,8 @@ /* Media-dependent registers. */ #define MDIO_PMA_10GBT_TXPWR 131 /* 10GBASE-T TX power control */ +#define MDIO_PMA_10GBT_SNR 133 /* 10GBASE-T SNR margin, lane A. + * Lanes B-D are numbered 134-136. */ #define MDIO_PMA_10GBR_FECABLE 170 /* 10GBASE-R FEC ability */ #define MDIO_PCS_10GBX_STAT1 24 /* 10GBASE-X PCS status 1 */ #define MDIO_PCS_10GBRT_STAT1 32 /* 10GBASE-R/-T PCS status 1 */ @@ -188,6 +190,11 @@ /* PMA 10GBASE-T TX power register. */ #define MDIO_PMA_10GBT_TXPWR_SHORT 0x0001 /* Short-reach mode */ +/* PMA 10GBASE-T SNR registers. */ +/* Value is SNR margin in dB, clamped to range [-127, 127], plus 0x8000. */ +#define MDIO_PMA_10GBT_SNR_BIAS 0x8000 +#define MDIO_PMA_10GBT_SNR_MAX 127 + /* PMA 10GBASE-R FEC ability register. */ #define MDIO_PMA_10GBR_FECABLE_ABLE 0x0001 /* FEC ability */ #define MDIO_PMA_10GBR_FECABLE_ERRABLE 0x0002 /* FEC error indic. ability */ -- Ben Hutchings, Senior Software Engineer, Solarflare Communications Not speaking for my employer; that's the marketing department's job. They asked us to note that Solarflare product names are trademarked.