be2net: define BE_MAX_MTU
This patch defines a new macro BE_MAX_MTU to make the code in be_change_mtu() more readable. Signed-off-by: Kalesh AP <kalesh.purayil@emulex.com> Signed-off-by: Sathya Perla <sathya.perla@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -86,6 +86,8 @@ static inline char *nic_name(struct pci_dev *pdev)
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#define BE_MAX_JUMBO_FRAME_SIZE 9018
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#define BE_MAX_JUMBO_FRAME_SIZE 9018
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#define BE_MIN_MTU 256
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#define BE_MIN_MTU 256
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#define BE_MAX_MTU (BE_MAX_JUMBO_FRAME_SIZE - \
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(ETH_HLEN + ETH_FCS_LEN))
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#define BE_NUM_VLANS_SUPPORTED 64
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#define BE_NUM_VLANS_SUPPORTED 64
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#define BE_MAX_EQD 128u
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#define BE_MAX_EQD 128u
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@ -1073,15 +1073,15 @@ static netdev_tx_t be_xmit(struct sk_buff *skb, struct net_device *netdev)
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static int be_change_mtu(struct net_device *netdev, int new_mtu)
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static int be_change_mtu(struct net_device *netdev, int new_mtu)
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{
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{
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struct be_adapter *adapter = netdev_priv(netdev);
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struct be_adapter *adapter = netdev_priv(netdev);
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if (new_mtu < BE_MIN_MTU ||
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struct device *dev = &adapter->pdev->dev;
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new_mtu > (BE_MAX_JUMBO_FRAME_SIZE - (ETH_HLEN + ETH_FCS_LEN))) {
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dev_info(&adapter->pdev->dev,
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if (new_mtu < BE_MIN_MTU || new_mtu > BE_MAX_MTU) {
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"MTU must be between %d and %d bytes\n",
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dev_info(dev, "MTU must be between %d and %d bytes\n",
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BE_MIN_MTU,
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BE_MIN_MTU, BE_MAX_MTU);
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(BE_MAX_JUMBO_FRAME_SIZE - (ETH_HLEN + ETH_FCS_LEN)));
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return -EINVAL;
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return -EINVAL;
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}
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}
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dev_info(&adapter->pdev->dev, "MTU changed from %d to %d bytes\n",
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dev_info(dev, "MTU changed from %d to %d bytes\n",
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netdev->mtu, new_mtu);
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netdev->mtu, new_mtu);
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netdev->mtu = new_mtu;
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netdev->mtu = new_mtu;
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return 0;
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return 0;
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