Notify the need for overriding the default driver for Mellanox NIC
In case of mellanox cards, the interfaces used for DPDK ports shall not be bound with vfio-pci (default) driver. An explicit error message shall be thrown when the required drivers are not specified in the user templates. Change-Id: I69b362079905c3957504e4958abfeeb9923cf07f
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@ -287,6 +287,11 @@ def diff(filename, data):
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def bind_dpdk_interfaces(ifname, driver, noop):
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if common.is_mellanox_interface(ifname) and 'vfio-pci' in driver:
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msg = ("For Mellanox NIC %s, the default driver vfio-pci "
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"needs to be overridden" % ifname)
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raise OvsDpdkBindException(msg)
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iface_driver = get_interface_driver(ifname)
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if iface_driver == driver:
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logger.info("Driver (%s) is already bound to the device (%s)" %
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@ -322,7 +327,7 @@ def bind_dpdk_interfaces(ifname, driver, noop):
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# - get_dpdk_devargs() in case of OvsDpdkPort and
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# OvsDpdkBond.
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# - bind_dpdk_interface() in case of OvsDpdkBond.
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if vendor_id == "0x15b3":
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if vendor_id == common.MLNX_VENDOR_ID:
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processutils.execute('ethtool', '-i', ifname,
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attempts=10)
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