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From: Antony Pavlov <antonynpavlov@gmail.com>
To: Oleksij Rempel <o.rempel@pengutronix.de>
Cc: barebox@lists.infradead.org, Peter Mamonov <pmamonov@gmail.com>
Subject: Re: [RFC 4/5] net: rtl8169: make it work on big-endian system
Date: Sun, 9 Feb 2020 09:30:13 +0300	[thread overview]
Message-ID: <20200209093013.be5535bdf036ab3e227912ba@gmail.com> (raw)
In-Reply-To: <f6e8e0b8-4f7c-e4ae-7317-09cc1500343b@pengutronix.de>

On Tue, 4 Feb 2020 15:03:53 +0100
Oleksij Rempel <o.rempel@pengutronix.de> wrote:

> Hi Antony,
> 
> do you wont to resent this patches as not RFC?

Hi!

I want to test PCI-related patches on ARM before resending
(especially 'net: e1000: make it work on MIPS').

Is there any qemu configuration to test ARM barebox with PCI support?

-- 
Best regards,
  Antony Pavlov

> 
> On 09.01.20 08:28, Antony Pavlov wrote:
> > Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
> > ---
> >   drivers/net/rtl8169.c | 34 +++++++++++++++++-----------------
> >   1 file changed, 17 insertions(+), 17 deletions(-)
> > 
> > diff --git a/drivers/net/rtl8169.c b/drivers/net/rtl8169.c
> > index 80997dc89f..3762cb6354 100644
> > --- a/drivers/net/rtl8169.c
> > +++ b/drivers/net/rtl8169.c
> > @@ -230,13 +230,13 @@ static void rtl8169_init_ring(struct rtl8169_priv *priv)
> >   	for (i = 0; i < NUM_RX_DESC; i++) {
> >   		if (i == (NUM_RX_DESC - 1))
> >   			priv->rx_desc[i].status =
> > -				BD_STAT_OWN | BD_STAT_EOR | PKT_BUF_SIZE;
> > +				cpu_to_le32(BD_STAT_OWN | BD_STAT_EOR | PKT_BUF_SIZE);
> >   		else
> >   			priv->rx_desc[i].status =
> > -				BD_STAT_OWN | PKT_BUF_SIZE;
> > +				cpu_to_le32(BD_STAT_OWN | PKT_BUF_SIZE);
> >   
> >   		priv->rx_desc[i].buf_addr =
> > -				virt_to_phys(priv->rx_buf + i * PKT_BUF_SIZE);
> > +				cpu_to_le32(virt_to_phys(priv->rx_buf + i * PKT_BUF_SIZE));
> >   	}
> >   }
> >   
> > @@ -358,21 +358,21 @@ static int rtl8169_eth_send(struct eth_device *edev, void *packet,
> >   
> >   	priv->tx_desc[entry].buf_Haddr = 0;
> >   	priv->tx_desc[entry].buf_addr =
> > -		virt_to_phys(priv->tx_buf + entry * PKT_BUF_SIZE);
> > +		cpu_to_le32(virt_to_phys(priv->tx_buf + entry * PKT_BUF_SIZE));
> >   
> >   	if (entry != (NUM_TX_DESC - 1)) {
> >   		priv->tx_desc[entry].status =
> > -			BD_STAT_OWN | BD_STAT_FS | BD_STAT_LS |
> > -			((packet_length > ETH_ZLEN) ? packet_length : ETH_ZLEN);
> > +			cpu_to_le32(BD_STAT_OWN | BD_STAT_FS | BD_STAT_LS |
> > +			((packet_length > ETH_ZLEN) ? packet_length : ETH_ZLEN));
> >   	} else {
> >   		priv->tx_desc[entry].status =
> > -			BD_STAT_OWN | BD_STAT_EOR | BD_STAT_FS | BD_STAT_LS |
> > -			((packet_length > ETH_ZLEN) ? packet_length : ETH_ZLEN);
> > +			cpu_to_le32(BD_STAT_OWN | BD_STAT_EOR | BD_STAT_FS | BD_STAT_LS |
> > +			((packet_length > ETH_ZLEN) ? packet_length : ETH_ZLEN));
> >   	}
> >   
> >   	RTL_W8(priv, TxPoll, 0x40);
> >   
> > -	while (priv->tx_desc[entry].status & BD_STAT_OWN)
> > +	while (le32_to_cpu(priv->tx_desc[entry].status) & BD_STAT_OWN)
> >   		;
> >   
> >   	dma_sync_single_for_cpu((unsigned long)priv->tx_buf + entry *
> > @@ -391,9 +391,9 @@ static int rtl8169_eth_rx(struct eth_device *edev)
> >   
> >   	entry = priv->cur_rx % NUM_RX_DESC;
> >   
> > -	if ((priv->rx_desc[entry].status & BD_STAT_OWN) == 0) {
> > -		if (!(priv->rx_desc[entry].status & BD_STAT_RX_RES)) {
> > -			pkt_size = (priv->rx_desc[entry].status & 0x1fff) - 4;
> > +	if ((le32_to_cpu(priv->rx_desc[entry].status) & BD_STAT_OWN) == 0) {
> > +		if (!(le32_to_cpu(priv->rx_desc[entry].status) & BD_STAT_RX_RES)) {
> > +			pkt_size = (le32_to_cpu(priv->rx_desc[entry].status) & 0x1fff) - 4;
> >   
> >   			dma_sync_single_for_cpu((unsigned long)priv->rx_buf
> >   						+ entry * PKT_BUF_SIZE,
> > @@ -407,14 +407,14 @@ static int rtl8169_eth_rx(struct eth_device *edev)
> >   						   pkt_size, DMA_FROM_DEVICE);
> >   
> >   			if (entry == NUM_RX_DESC - 1)
> > -				priv->rx_desc[entry].status = BD_STAT_OWN |
> > -					BD_STAT_EOR | PKT_BUF_SIZE;
> > +				priv->rx_desc[entry].status = cpu_to_le32(BD_STAT_OWN |
> > +					BD_STAT_EOR | PKT_BUF_SIZE);
> >   			else
> >   				priv->rx_desc[entry].status =
> > -					BD_STAT_OWN | PKT_BUF_SIZE;
> > +					cpu_to_le32(BD_STAT_OWN | PKT_BUF_SIZE);
> >   			priv->rx_desc[entry].buf_addr =
> > -				virt_to_phys(priv->rx_buf +
> > -				             entry * PKT_BUF_SIZE);
> > +				cpu_to_le32(virt_to_phys(priv->rx_buf +
> > +				             entry * PKT_BUF_SIZE));
> >   		} else {
> >   			dev_err(&edev->dev, "rx error\n");
> >   		}
> > 
> 
> Kind regards,
> Oleksij Rempel
> 
> -- 
> Pengutronix e.K.                           |                             |
> Industrial Linux Solutions                 | http://www.pengutronix.de/  |
> Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0    |
> Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |



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  reply	other threads:[~2020-02-09  6:30 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-09  7:28 [RFC 0/5] WIP: MIPS: implement dma mapping functions Antony Pavlov
2020-01-09  7:28 ` [RFC 1/5] WIP: MIPS: configure ebase according CONFIG_MMU Antony Pavlov
2020-01-13  6:48   ` Oleksij Rempel
2020-01-09  7:28 ` [RFC 2/5] WIP: MIPS: implement dma mapping functions Antony Pavlov
2020-01-13  8:26   ` Oleksij Rempel
2020-01-14 21:03     ` Antony Pavlov
2020-01-09  7:28 ` [RFC 3/5] net: e1000: make it work on MIPS Antony Pavlov
2020-01-13  7:29   ` Oleksij Rempel
2020-01-13 19:06     ` Lucas Stach
2020-01-09  7:28 ` [RFC 4/5] net: rtl8169: make it work on big-endian system Antony Pavlov
2020-01-13  7:21   ` Oleksij Rempel
2020-02-04 14:03   ` Oleksij Rempel
2020-02-09  6:30     ` Antony Pavlov [this message]
2020-02-09  8:17       ` Oleksij Rempel
2020-02-28  5:38     ` Antony Pavlov
2020-01-09  7:28 ` [RFC 5/5] MIPS: qemu-malta_defconfig: enable e1000 network driver Antony Pavlov

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