From: David Miller <davem@davemloft.net>
To: lipeng321@huawei.com
Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
linuxarm@huawei.com, yisen.zhuang@huawei.com,
salil.mehta@huawei.com
Subject: Re: [PATCH V2 net 0/2] net: hns: fix some bugs about speed and duplex change
Date: Wed, 29 Aug 2018 18:08:39 -0700 (PDT) [thread overview]
Message-ID: <20180829.180839.1488343012807365399.davem@davemloft.net> (raw)
In-Reply-To: <1535335170-111030-1-git-send-email-lipeng321@huawei.com>
From: Peng Li <lipeng321@huawei.com>
Date: Mon, 27 Aug 2018 09:59:28 +0800
> If there are packets in hardware when changing the spped
> or duplex, it may cause hardware hang up.
>
> This patchset adds the code for waiting chip to clean the all
> pkts(TX & RX) in chip when the driver uses the function named
> "adjust link".
>
> This patchset cleans the pkts as follows:
> 1) close rx of chip, close tx of protocol stack.
> 2) wait rcb, ppe, mac to clean.
> 3) adjust link
> 4) open rx of chip, open tx of protocol stack.
Series applied, thank you.
prev parent reply other threads:[~2018-08-30 1:08 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-27 1:59 [PATCH V2 net 0/2] net: hns: fix some bugs about speed and duplex change Peng Li
2018-08-27 1:59 ` [PATCH V2 net 1/2] net: hns: add the code for cleaning pkt in chip Peng Li
2018-08-27 1:59 ` [PATCH V2 net 2/2] net: hns: add netif_carrier_off before change speed and duplex Peng Li
2018-08-30 1:08 ` David Miller [this message]
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