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Date:	Thu, 19 Jul 2007 12:08:32 -0400
From:	Ragner Magalhaes <ragner.magalhaes@...t.org.br>
To:	ext Brian King <brking@...ux.vnet.ibm.com>
CC:	santil@...ux.vnet.ibm.com, rcjenn@...ux.vnet.ibm.com,
	netdev@...r.kernel.org, linuxppc-dev@...abs.org
Subject: Re: [PATCH 2/4] ibmveth: Implement ethtool hooks to enable/disable
 checksum offload

ext Brian King wrote:

> +
> +static int ibmveth_set_rx_csum(struct net_device *dev, u32 data)
> +{
> +	struct ibmveth_adapter *adapter = dev->priv;
> +

Why do not to do

	if ((data && adapter->rx_csum) || (!data && !adapter->rx_csum))
		return 0;
less two lines.

> +	if (data && adapter->rx_csum)
> +		return 0;
> +	if (!data && !adapter->rx_csum)
> +		return 0;
> +
> +	return ibmveth_set_csum_offload(dev, data, ibmveth_set_rx_csum_flags);
> +}
> +
> +static int ibmveth_set_tx_csum(struct net_device *dev, u32 data)
> +{
> +	struct ibmveth_adapter *adapter = dev->priv;
> +	int rc = 0;
> +

here also, as above ...
> +	if (data && (dev->features & NETIF_F_IP_CSUM))
> +		return 0;
> +	if (!data && !(dev->features & NETIF_F_IP_CSUM))
> +		return 0;
> +
> +	if (data && !adapter->rx_csum)
> +		rc = ibmveth_set_csum_offload(dev, data, ibmveth_set_tx_csum_flags);
> +	else
> +		ibmveth_set_tx_csum_flags(dev, data);
> +
> +	return rc;
> +}
> +
Best regards,
Ragner
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