linux-kernel - [RFC PATCH 0/3] net: macb: Wake-on-Lan magic packet fixes

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Date:   Fri, 3 Apr 2020 15:14:41 +0200
From:   <nicolas.ferre@...rochip.com>
To:     <linux-arm-kernel@...ts.infradead.org>, <netdev@...r.kernel.org>,
        "Claudiu Beznea" <claudiu.beznea@...rochip.com>,
        <harini.katakam@...inx.com>
CC:     <linux-kernel@...r.kernel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        <rafalo@...ence.com>, <sergio.prado@...abworks.com>,
        <antoine.tenart@...tlin.com>, <f.fainelli@...il.com>,
        <linux@...linux.org.uk>, <andrew@...n.ch>,
        <michal.simek@...inx.com>,
        Nicolas Ferre <nicolas.ferre@...rochip.com>
Subject: [RFC PATCH 0/3] net: macb: Wake-on-Lan magic packet fixes

From: Nicolas Ferre <nicolas.ferre@...rochip.com>

Hi,
Here are some of my early patches in order to fix WoL magic-packet on the
current macb driver.
Addition of this feature to GEM types of IPs is yet to come. I would like to
have your feedback on these little patches first so that I can continue
investigating the addition of GEM WoL magic-packet.

Harini, I know that you have patches for GEM in order to integrate WoL ARP
mode [1]. I'll try to integrate some of your work but would need that this feature
is better integrated in current code. For instance, the choice of "magic
packet" or "ARP" should be done by ethtool options and DT properties. For
matching with mainline users, MACB and GEM code must co-exist.
The use of dumb buffers for RX seems also fairly platform specific and we would
need to think more about it.

[1]:
https://github.com/Xilinx/linux-xlnx/commit/e9648006e8d9132db2594e50e700af362b3c9226#diff-41909d180431659ccc1229aa30fd4e5a
https://github.com/Xilinx/linux-xlnx/commit/60a21c686f7e4e50489ae04b9bb1980b145e52ef

Nicolas Ferre (3):
  net: macb: fix wakeup test in runtime suspend/resume routines
  net: macb: mark device wake capable when "magic-packet" property
    present
  net: macb: fix macb_get/set_wol() when moving to phylink

 drivers/net/ethernet/cadence/macb_main.c | 24 +++++++++++++-----------
 1 file changed, 13 insertions(+), 11 deletions(-)

-- 
2.20.1