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virNetDevTapCreateInBridgePort() has always set the new tap device to the current MTU of the bridge it's being attached to. There is one case where we will want to set the new tap device to a different (usually larger) MTU - if that's done with the very first device added to the bridge, the bridge's MTU will be set to the device's MTU. This patch allows for that possibility by adding "int mtu" to the arg list for virNetDevTapCreateInBridgePort(), but all callers are sending -1, so it doesn't yet have any effect. Since the requested MTU isn't necessarily what is used in the end (for example, if there is no MTU requested, the tap device will be set to the current MTU of the bridge), and the hypervisor may want to know the actual MTU used, we also return the actual MTU to the caller (if actualMTU is non-NULL). |
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uml_conf.c | ||
uml_conf.h | ||
uml_driver.c | ||
uml_driver.h |