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Date:   Tue, 25 Jun 2019 22:17:03 -0400
From:   Willem de Bruijn <willemdebruijn.kernel@...il.com>
To:     Ivan Khoronzhuk <ivan.khoronzhuk@...aro.org>
Cc:     David Miller <davem@...emloft.net>, grygorii.strashko@...com,
        hawk@...nel.org, brouer@...hat.com, saeedm@...lanox.com,
        leon@...nel.org, Alexei Starovoitov <ast@...nel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        linux-omap@...r.kernel.org, xdp-newbies@...r.kernel.org,
        ilias.apalodimas@...aro.org,
        Network Development <netdev@...r.kernel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        jakub.kicinski@...ronome.com,
        John Fastabend <john.fastabend@...il.com>
Subject: Re: [PATCH v4 net-next 3/4] net: ethernet: ti: davinci_cpdma: return
 handler status

On Tue, Jun 25, 2019 at 2:00 PM Ivan Khoronzhuk
<ivan.khoronzhuk@...aro.org> wrote:
>
> This change is needed to return flush status of rx handler for
> flushing redirected xdp frames after processing channel packets.
> Do it as separate patch for simplicity.
>
> Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@...aro.org>

> @@ -602,7 +605,8 @@ static int cpsw_tx_mq_poll(struct napi_struct *napi_tx, int budget)
>                 else
>                         cur_budget = txv->budget;
>
> -               num_tx += cpdma_chan_process(txv->ch, cur_budget);
> +               cpdma_chan_process(txv->ch, &cur_budget);
> +               num_tx += cur_budget;

Less code change to add a new argument int *flush to communicate the
new state and leave the existing argument and return values as is?

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