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tap: introduce a helper to get the name of an interface
This patch introduces a helper tap_get_ifname() to get the device name of tapdevice. This is needed when ifname is unspecified in the command line and qemuwere asked to create tap device by itself. In this situation, the name were...
tap: multiqueue support
Recently, linux support multiqueue tap which could let userspace call TUNSETIFFfor a signle device many times to create multiple file descriptors asindependent queues. User could also enable/disabe a specific queue throughTUNSETQUEUE....
tap: add Linux multiqueue support
This patch add basic multiqueue support for Linux. When multiqueue is needed, wewill first check whether kernel support multiqueue tap before creating morequeues. Two new functions tap_fd_enable() and tap_fd_disable() were introduced...
net: reorganize headers
Move public headers to include/net, and leave private headers in net/.Put the virtio headers in include/net/tap.h, removing the multiple copiesthat existed. Leave include/net/tap.h as the interface for NICs, andnet/tap_int.h as the interface for OS-specific parts of the tap backend....