netdev - RE: [PATCH v2.1 21/22] fjes: handle receive cancellation request interrupt

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Date:	Mon, 27 Jul 2015 01:59:12 +0000
From:	"Izumi, Taku" <izumi.taku@...fujitsu.com>
To:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
CC:	"platform-driver-x86@...r.kernel.org" 
	<platform-driver-x86@...r.kernel.org>,
	"dvhart@...radead.org" <dvhart@...radead.org>,
	"rkhan@...hat.com" <rkhan@...hat.com>,
	"alexander.h.duyck@...hat.com" <alexander.h.duyck@...hat.com>,
	"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
	"joe@...ches.com" <joe@...ches.com>,
	"stephen@...workplumber.org" <stephen@...workplumber.org>,
	"yasu.isimatu@...il.com" <yasu.isimatu@...il.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"davem@...emloft.net" <davem@...emloft.net>
Subject: RE: [PATCH v2.1 21/22] fjes: handle receive cancellation request
 interrupt

Hi Sergei,

 Thanks for revewing.

> -----Original Message-----
> From: Sergei Shtylyov [mailto:sergei.shtylyov@...entembedded.com]
> Sent: Thursday, July 23, 2015 10:06 PM
> To: Izumi, Taku/泉 拓; netdev@...r.kernel.org; davem@...emloft.net
> Cc: platform-driver-x86@...r.kernel.org; dvhart@...radead.org; rkhan@...hat.com; alexander.h.duyck@...hat.com;
> linux-acpi@...r.kernel.org; joe@...ches.com; stephen@...workplumber.org; yasu.isimatu@...il.com
> Subject: Re: [PATCH v2.1 21/22] fjes: handle receive cancellation request interrupt
> 
> Hello.
> 
> On 7/23/2015 3:10 AM, Taku Izumi wrote:
> 
> > This patch adds implementation of handling IRQ
> > of other receiver's receive cancellation request.
> 
> > Signed-off-by: Taku Izumi <izumi.taku@...fujitsu.com>
> > ---
> >   drivers/net/fjes/fjes_main.c | 79 ++++++++++++++++++++++++++++++++++++++++++++
> >   1 file changed, 79 insertions(+)
> >
> > diff --git a/drivers/net/fjes/fjes_main.c b/drivers/net/fjes/fjes_main.c
> > index faaf2ed..b21ad68 100644
> > --- a/drivers/net/fjes/fjes_main.c
> > +++ b/drivers/net/fjes/fjes_main.c
> > @@ -822,6 +822,75 @@ static int fjes_vlan_rx_kill_vid(struct net_device *netdev,
> >   	return 0;
> >   }
> >
> > +static void fjes_txrx_stop_req_irq(struct fjes_adapter *adapter,
> > +				   int src_epid)
> > +{
> > +	struct fjes_hw *hw = &adapter->hw;
> > +	enum ep_partner_status status;
> > +
> > +	status = fjes_hw_get_partner_ep_status(hw, src_epid);
> > +	switch (status) {
> > +	case EP_PARTNER_UNSHARE:
> > +	default:
> > +		break;
> > +	case EP_PARTNER_COMPLETE:
> > +		break;
> 
>     Why this *case* isn't merged with the above ones?

  Oh... You are right.

> 
> > +	case EP_PARTNER_WAITING:
> > +		if (src_epid < hw->my_epid) {
> > +			hw->ep_shm_info[src_epid].tx.info->v1i.rx_status |=
> > +				FJES_RX_STOP_REQ_DONE;
> > +
> > +			clear_bit(src_epid, &hw->txrx_stop_req_bit);
> > +			set_bit(src_epid, &adapter->unshare_watch_bitmask);
> > +
> > +			if (!work_pending(&adapter->unshare_watch_task))
> > +				queue_work(adapter->control_wq,
> > +					   &adapter->unshare_watch_task);
> > +		}
> > +		break;
> > +	case EP_PARTNER_SHARED:
> > +		if (hw->ep_shm_info[src_epid].rx.info->v1i.rx_status
> > +				& FJES_RX_STOP_REQ_REQUEST) {
> 
>     Please leave the & operator on the first line and start the second line
> right under 'hw' on the first.

   OK.
> 
> [...]
> 
> MBR, Sergei

 Sincerely,
 Taku Izumi
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