ixgbe: Add support for netdev_ops.ndo_fcoe_get_wwn to 82599
Implements the netdev_ops.ndo_fcoe_get_wwn in 82599 if it finds valid prefix for the World Wide Node Name (WWNN) or World Wide Port Name (WWPN), as well as valid SAN MAC address. Signed-off-by: Yi Zou <yi.zou@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -457,6 +457,7 @@ extern int ixgbe_fcoe_disable(struct net_device *netdev);
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extern u8 ixgbe_fcoe_getapp(struct ixgbe_adapter *adapter);
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extern u8 ixgbe_fcoe_setapp(struct ixgbe_adapter *adapter, u8 up);
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#endif /* CONFIG_IXGBE_DCB */
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extern int ixgbe_fcoe_get_wwn(struct net_device *netdev, u64 *wwn, int type);
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#endif /* IXGBE_FCOE */
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#endif /* _IXGBE_H_ */
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@ -718,3 +718,49 @@ u8 ixgbe_fcoe_setapp(struct ixgbe_adapter *adapter, u8 up)
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return 1;
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}
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#endif /* CONFIG_IXGBE_DCB */
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/**
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* ixgbe_fcoe_get_wwn - get world wide name for the node or the port
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* @netdev : ixgbe adapter
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* @wwn : the world wide name
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* @type: the type of world wide name
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*
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* Returns the node or port world wide name if both the prefix and the san
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* mac address are valid, then the wwn is formed based on the NAA-2 for
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* IEEE Extended name identifier (ref. to T10 FC-LS Spec., Sec. 15.3).
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*
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* Returns : 0 on success
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*/
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int ixgbe_fcoe_get_wwn(struct net_device *netdev, u64 *wwn, int type)
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{
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int rc = -EINVAL;
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u16 prefix = 0xffff;
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struct ixgbe_adapter *adapter = netdev_priv(netdev);
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struct ixgbe_mac_info *mac = &adapter->hw.mac;
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switch (type) {
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case NETDEV_FCOE_WWNN:
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prefix = mac->wwnn_prefix;
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break;
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case NETDEV_FCOE_WWPN:
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prefix = mac->wwpn_prefix;
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break;
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default:
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break;
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}
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if ((prefix != 0xffff) &&
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is_valid_ether_addr(mac->san_addr)) {
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*wwn = ((u64) prefix << 48) |
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((u64) mac->san_addr[0] << 40) |
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((u64) mac->san_addr[1] << 32) |
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((u64) mac->san_addr[2] << 24) |
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((u64) mac->san_addr[3] << 16) |
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((u64) mac->san_addr[4] << 8) |
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((u64) mac->san_addr[5]);
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rc = 0;
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}
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return rc;
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}
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@ -5449,6 +5449,7 @@ static const struct net_device_ops ixgbe_netdev_ops = {
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.ndo_fcoe_ddp_done = ixgbe_fcoe_ddp_put,
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.ndo_fcoe_enable = ixgbe_fcoe_enable,
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.ndo_fcoe_disable = ixgbe_fcoe_disable,
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.ndo_fcoe_get_wwn = ixgbe_fcoe_get_wwn,
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#endif /* IXGBE_FCOE */
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};
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