linux-kernel - Re: [PATCH] NET: Support clause 45 MDIO commands at the MDIO bus level

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:	Tue, 16 Mar 2010 21:28:40 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	jgunthorpe@...idianresearch.com
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] NET: Support clause 45 MDIO commands at the MDIO bus
 level

From: Jason Gunthorpe <jgunthorpe@...idianresearch.com>
Date: Tue, 9 Mar 2010 12:17:42 -0700

> IEEE 802.3ae clause 45 specifies a somewhat modified MDIO protocol
> for use by 10GIGE phys. The main change is a 21 bit address split into
> a 5 bit device ID and a 16 bit register offset. The definition is designed
> so that normal and extended devices can run on the same MDIO bus.
> 
> Extend mdio-bitbang to do the new protocol. At the MDIO bus level the
> protocol is requested by or'ing MII_ADDR_C45 into the register offset.
> 
> Make phy_read/phy_write/etc pass a full 32 bit register offset.
> 
> This does not attempt to make the phy layer support C45 style PHYs, just
> to provide the MDIO bus support.
> 
> Tested against a Broadcom 10GE phy with ID 0x206034, and several
> Broadcom 10/100/1000 Phys in normal mode.
> 
> Signed-off-by: Jason Gunthorpe <jgunthorpe@...idianresearch.com>

Applied.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/