From: Marek Vasut <marex@denx.de>
To: Andrew Lunn <andrew@lunn.ch>
Cc: netdev@vger.kernel.org, o.rempel@pengutronix.de,
Florian Fainelli <f.fainelli@gmail.com>,
Guenter Roeck <linux@roeck-us.net>,
Heiner Kallweit <hkallweit1@gmail.com>,
Jean Delvare <jdelvare@suse.com>
Subject: Re: [RFC][PATCH 1/2] ethtool: Add BroadRReach Master/Slave PHY tunable
Date: Wed, 25 Mar 2020 14:51:07 +0100 [thread overview]
Message-ID: <6145fdfb-58b5-274a-1a09-e90c69390be4@denx.de> (raw)
In-Reply-To: <20200325134330.GD3819@lunn.ch>
On 3/25/20 2:43 PM, Andrew Lunn wrote:
> On Wed, Mar 25, 2020 at 11:17:35AM +0100, Marek Vasut wrote:
>> Add a PHY tunable to select BroadRReach PHY Master/Slave mode.
>>
>> Signed-off-by: Marek Vasut <marex@denx.de>
>> Cc: Andrew Lunn <andrew@lunn.ch>
>> Cc: Florian Fainelli <f.fainelli@gmail.com>
>> Cc: Guenter Roeck <linux@roeck-us.net>
>> Cc: Heiner Kallweit <hkallweit1@gmail.com>
>> Cc: Jean Delvare <jdelvare@suse.com>
>> Cc: netdev@vger.kernel.org
>> ---
>> include/uapi/linux/ethtool.h | 1 +
>> net/core/ethtool.c | 2 ++
>> 2 files changed, 3 insertions(+)
>>
>> diff --git a/include/uapi/linux/ethtool.h b/include/uapi/linux/ethtool.h
>> index dc69391d2bba..ebe658804ef1 100644
>> --- a/include/uapi/linux/ethtool.h
>> +++ b/include/uapi/linux/ethtool.h
>> @@ -259,6 +259,7 @@ struct ethtool_tunable {
>> enum phy_tunable_id {
>> ETHTOOL_PHY_ID_UNSPEC,
>> ETHTOOL_PHY_DOWNSHIFT,
>> + ETHTOOL_PHY_BRR_MODE,
>> /*
>> * Add your fresh new phy tunable attribute above and remember to update
>> * phy_tunable_strings[] in net/core/ethtool.c
>> diff --git a/net/core/ethtool.c b/net/core/ethtool.c
>> index 09d828a6a173..553f3d0e2624 100644
>> --- a/net/core/ethtool.c
>> +++ b/net/core/ethtool.c
>> @@ -133,6 +133,7 @@ static const char
>> phy_tunable_strings[__ETHTOOL_PHY_TUNABLE_COUNT][ETH_GSTRING_LEN] = {
>> [ETHTOOL_ID_UNSPEC] = "Unspec",
>> [ETHTOOL_PHY_DOWNSHIFT] = "phy-downshift",
>> + [ETHTOOL_PHY_BRR_MODE] = "phy-broadrreach-mode",
>> };
>
>>
>> static int ethtool_get_features(struct net_device *dev, void __user *useraddr)
>> @@ -2524,6 +2525,7 @@ static int ethtool_phy_tunable_valid(const struct ethtool_tunable *tuna)
>> {
>> switch (tuna->id) {
>> case ETHTOOL_PHY_DOWNSHIFT:
>> + case ETHTOOL_PHY_BRR_MODE:
>> if (tuna->len != sizeof(u8) ||
>> tuna->type_id != ETHTOOL_TUNABLE_U8)
>> return -EINVAL;
>
> Hi Marek
>
> As far as i understand, there are only two settings. Master and
> Slave. So you can make the validation here more specific.
>
> I would also add some #defines for this in
> include/uapi/linux/ethtool.h so it is clear what value represents
> master and what is slave.
I'll let Oleksij take this series over, since he's working with the
TJA1102 . In the meantime, I'll continue on the KS8851.
Thanks for the feedback !
next prev parent reply other threads:[~2020-03-25 13:51 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-25 10:17 [RFC][PATCH 1/2] ethtool: Add BroadRReach Master/Slave PHY tunable Marek Vasut
2020-03-25 10:17 ` [RFC][PATCH 2/2] net: phy: tja11xx: Add BroadRReach Master/Slave support into TJA11xx PHY driver Marek Vasut
2020-03-25 13:47 ` Andrew Lunn
2020-03-25 13:43 ` [RFC][PATCH 1/2] ethtool: Add BroadRReach Master/Slave PHY tunable Andrew Lunn
2020-03-25 13:51 ` Marek Vasut [this message]
2020-03-25 16:49 ` RFC: future of ethtool tunables (Re: [RFC][PATCH 1/2] ethtool: Add BroadRReach Master/Slave PHY tunable) Michal Kubecek
2020-03-25 21:55 ` Andrew Lunn
2020-03-25 22:04 ` Florian Fainelli
2020-03-25 23:42 ` Michal Kubecek
2020-03-26 9:05 ` Oleksij Rempel
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