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Laurent VivierandJason Wang
8f6e5c620a
The get_vhost_net() function previously contained a large switch statement to find the VHostNetState pointer based on the net client's type. This created a tight coupling, requiring the generic vhost layer to be aware of every specific backend that supported vhost, such as tap, vhost-user, and vhost-vdpa. This approach is not scalable and requires modifying a central function for any new backend. It also forced each backend to expose its internal getter function in a public header file. This patch refactors the logic by introducing a new get_vhost_net function pointer to the NetClientInfo struct. The central get_vhost_net() function is now a simple, generic dispatcher that invokes the callback provided by the net client. Each backend now implements its own private getter and registers it in its NetClientInfo. Signed-off-by: Laurent Vivier <lvivier@redhat.com> Signed-off-by: Jason Wang <jasowang@redhat.com>