Re: [PATCH V2 net 0/2] net: hns: fix some bugs about speed and duplex change

From: David Miller
Date: Wed Aug 29 2018 - 21:08:42 EST


From: Peng Li <lipeng321@xxxxxxxxxx>
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.