linux-kernel - Re: [PATCH] drivers/net/usb/asix: resync from vendor's copy

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Message-ID: <4EDF9B5F.6050500@teksavvy.com>
Date:	Wed, 07 Dec 2011 11:59:11 -0500
From:	Mark Lord <kernel@...savvy.com>
To:	Ben Hutchings <bhutchings@...arflare.com>
CC:	David Miller <davem@...emloft.net>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drivers/net/usb/asix:  resync from vendor's copy

On 11-12-07 11:27 AM, Ben Hutchings wrote:
> On Wed, 2011-12-07 at 11:21 -0500, Mark Lord wrote:
..
>> Heh.. my thinking side says to use the exact same protocol-specific flags
>> in both "hw_features" and "features", and therefore check for those flags
>> inside the "set_features()" function.
> 
> Right.


Thanks.
Now now we have:

static int ax88772b_set_features(struct net_device *netdev, u32 features)
{
        struct usbnet *dev = netdev_priv(netdev);
        u16 tx_csum = 0, rx_csum = 0;

        if (features & NETIF_F_IP_CSUM)
                tx_csum |= AX_TXCOE_TCP | AX_TXCOE_UDP;
        if (features & NETIF_F_IPV6_CSUM)
                tx_csum |= AX_TXCOE_TCPV6 | AX_TXCOE_UDPV6;
        if (features & NETIF_F_RXCSUM)
                rx_csum = AX_RXCOE_DEF_CSUM;
        ax8817x_write_cmd(dev, AX_CMD_WRITE_TXCOE_CTL, tx_csum, 0, 0, NULL);
        ax8817x_write_cmd(dev, AX_CMD_WRITE_RXCOE_CTL, rx_csum, 0, 0, NULL);
        return 0;
}

static int ax88772b_bind(struct usbnet *dev, struct usb_interface *intf)
{
	...

        /* enable hardware checksums */
        dev->net->hw_features |=
                NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM;
        dev->net->features |=
                NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM;
        ax88772b_set_features(dev->net, dev->net->features);
	...
}
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