netdev - Re: [PATCH net] cxgb4: fix Tx multi channel port rate limit

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Message-Id: <20200119.161222.304613321340810474.davem@davemloft.net>
Date:   Sun, 19 Jan 2020 16:12:22 +0100 (CET)
From:   David Miller <davem@...emloft.net>
To:     rahul.lakkireddy@...lsio.com
Cc:     netdev@...r.kernel.org, nirranjan@...lsio.com, vishal@...lsio.com,
        dt@...lsio.com
Subject: Re: [PATCH net] cxgb4: fix Tx multi channel port rate limit

From: Rahul Lakkireddy <rahul.lakkireddy@...lsio.com>
Date: Fri, 17 Jan 2020 18:23:55 +0530

> T6 can support 2 egress traffic management channels per port to
> double the total number of traffic classes that can be configured.
> In this configuration, if the class belongs to the other channel,
> then all the queues must be bound again explicitly to the new class,
> for the rate limit parameters on the other channel to take effect.
> 
> So, always explicitly bind all queues to the port rate limit traffic
> class, regardless of the traffic management channel that it belongs
> to. Also, only bind queues to port rate limit traffic class, if all
> the queues don't already belong to an existing different traffic
> class.
> 
> Fixes: 4ec4762d8ec6 ("cxgb4: add TC-MATCHALL classifier egress offload")
> Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@...lsio.com>

Applied.