linux-kernel - RE: [v5, PATCH] net: stmmac: add support for hash table size 128/256 in dwmac4

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Date:   Thu, 30 May 2019 09:39:09 +0800
From:   biao huang <biao.huang@...iatek.com>
To:     Jose Abreu <Jose.Abreu@...opsys.com>
CC:     Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-stm32@...md-mailman.stormreply.com" 
        <linux-stm32@...md-mailman.stormreply.com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-mediatek@...ts.infradead.org" 
        <linux-mediatek@...ts.infradead.org>,
        "yt.shen@...iatek.com" <yt.shen@...iatek.com>,
        "jianguo.zhang@...iatek.com" <jianguo.zhang@...iatek.com>,
        "boon.leong.ong@...el.com" <boon.leong.ong@...el.com>,
        "andrew@...n.ch" <andrew@...n.ch>
Subject: RE: [v5, PATCH] net: stmmac: add support for hash table size
 128/256 in dwmac4

Hi Jose,
	Flow control is disabled in v5 commit.

	I tried "insmod stmmac flow_ctrl=1", and the output log shows self test
pass:
	ethtool -t eth0                                    
	The test result is PASS
 	The test extra info:
 	 1. MAC Loopback                 0
 	 2. PHY Loopback                 -95
 	 3. MMC Counters                 0
 	 4. EEE                          -95
 	 5. Hash Filter MC               0
 	 6. Perfect Filter UC            0
 	 7. MC Filter                    0
 	 8. UC Filter                    0
	 9. Flow Control                 0

	Is v5 OK? Should I resend a v6?

On Wed, 2019-05-29 at 10:30 +0000, Jose Abreu wrote:
> From: Biao Huang <biao.huang@...iatek.com>
> Date: Wed, May 29, 2019 at 10:31:08
> 
> > 1. get hash table size in hw feature reigster, and add support
> > for taller hash table(128/256) in dwmac4.
> > 2. only clear GMAC_PACKET_FILTER bits used in this function,
> > to avoid side effect to functions of other bits.
> > 
> > stmmac selftests output log:
> > 	ethtool -t eth0
> > 	The test result is FAIL
> > 	The test extra info:
> > 	 1. MAC Loopback                 0
> > 	 2. PHY Loopback                 -95
> > 	 3. MMC Counters                 0
> > 	 4. EEE                          -95
> > 	 5. Hash Filter MC               0
> > 	 6. Perfect Filter UC            0
> > 	 7. MC Filter                    0
> > 	 8. UC Filter                    0
> > 	 9. Flow Control                 1
> 
> Thanks for testing, this patch looks good to me.
> 
> Do you want to check why Flow Control selftest is failing ?
> 
> 
> Thanks,
> Jose Miguel Abreu

Thanks,
Biao