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From: Jose Abreu <Jose.Abreu@synopsys.com>
To: 'Andrew Lunn' <andrew@lunn.ch>, 'Jose Abreu' <Jose.Abreu@synopsys.com>
Cc: "'netdev@vger.kernel.org'" <netdev@vger.kernel.org>,
	"'linux-kernel@vger.kernel.org'" <linux-kernel@vger.kernel.org>,
	'Joao Pinto' <Joao.Pinto@synopsys.com>,
	"'David S . Miller'" <davem@davemloft.net>,
	'Giuseppe Cavallaro' <peppe.cavallaro@st.com>,
	'Alexandre Torgue' <alexandre.torgue@st.com>
Subject: RE: [PATCH net-next 00/11] net: stmmac: Selftests
Date: Thu, 9 May 2019 16:05:35 +0000	[thread overview]
Message-ID: <78EB27739596EE489E55E81C33FEC33A0B47B52A@DE02WEMBXB.internal.synopsys.com> (raw)
In-Reply-To: <78EB27739596EE489E55E81C33FEC33A0B47AAEE@DE02WEMBXB.internal.synopsys.com>

From: Jose Abreu <joabreu@synopsys.com>
Date: Thu, May 09, 2019 at 09:17:03

> From: Andrew Lunn <andrew@lunn.ch>
> Date: Wed, May 08, 2019 at 20:50:11
> 
> > The normal operation is interrupted by the tests you carry out
> > here. But i don't see any code looking for ETH_TEST_FL_OFFLINE
> 
> Ok will fix to only run in offline mode then.
> 
> > 
> > > (Error code -95 means EOPNOTSUPP in current HW).
> > 
> > How deep do you have to go before you know about EOPNOTSUPP?  It would
> > be better to not return the string and result at all. Or patch ethtool
> > to call strerror(3).
> 
> When I looked at other drivers I saw that they return positive value (1) 
> or zero so calling strerror in ethtool may not be ideal.
> 
> I think its useful to let the user know if a given test is not supported 
> in HW so maybe I can return 1 instead of EOPNOTSUPP ?

After thinking about this in more detail I now realize that returning 1 
is not ideal because when a test fails it will also return 1. So if I do 
it this way and more than one test fails then user won't know if the test 
really failed or if it wasn't supported in the first time.

Any advice ?

Thanks,
Jose Miguel Abreu

  reply	other threads:[~2019-05-09 16:05 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-08  7:51 Jose Abreu
2019-05-08  7:51 ` [PATCH net-next 01/11] net: stmmac: Add MAC loopback callback to HWIF Jose Abreu
2019-05-08  7:51 ` [PATCH net-next 02/11] net: stmmac: dwmac100: Add MAC loopback support Jose Abreu
2019-05-08  7:51 ` [PATCH net-next 03/11] net: stmmac: dwmac1000: " Jose Abreu
2019-05-08  7:51 ` [PATCH net-next 04/11] net: stmmac: dwmac4/5: " Jose Abreu
2019-05-08  7:51 ` [PATCH net-next 05/11] net: stmmac: dwxgmac2: " Jose Abreu
2019-05-08  7:51 ` [PATCH net-next 06/11] net: stmmac: Switch MMC functions to HWIF callbacks Jose Abreu
2019-05-08  7:51 ` [PATCH net-next 07/11] net: stmmac: dwmac1000: Also pass control frames while in promisc mode Jose Abreu
2019-05-08 12:04   ` Andrew Lunn
2019-05-08 14:53     ` Jose Abreu
2019-05-08  7:51 ` [PATCH net-next 08/11] net: stmmac: dwmac4/5: " Jose Abreu
2019-05-08  7:51 ` [PATCH net-next 09/11] net: stmmac: dwxgmac2: " Jose Abreu
2019-05-08  7:51 ` [PATCH net-next 10/11] net: stmmac: Introduce selftests support Jose Abreu
2019-05-09  2:23   ` Andrew Lunn
2019-05-09  8:25     ` Jose Abreu
2019-05-09 12:21       ` Andrew Lunn
2019-05-09 15:11         ` Jose Abreu
2019-05-08  7:51 ` [PATCH net-next 11/11] net: stmmac: dwmac1000: Fix Hash Filter Jose Abreu
2019-05-08 15:46 ` [PATCH net-next 00/11] net: stmmac: Selftests David Miller
2019-05-08 19:50 ` Andrew Lunn
2019-05-09  8:17   ` Jose Abreu
2019-05-09 16:05     ` Jose Abreu [this message]
2019-05-09  9:04 ` Corentin Labbe
2019-05-09 10:11   ` Jose Abreu
2019-05-09 18:00     ` Corentin Labbe

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