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Previously virtio MMIO devices have a virtqueue size of 128 while PCI have 256. Now we make them both 128 for consistency. Signed-off-by: Bill Nguyen <bill.nguyen@unsw.edu.au>
Signed-off-by: Bill Nguyen <bill.nguyen@unsw.edu.au>
Also made the device more robust against TX queue full condition, and noted down an existing issue where requests larger than TX queue capacity aren't handled properly. Signed-off-by: Bill Nguyen <bill.nguyen@unsw.edu.au>
Signed-off-by: Bill Nguyen <bill.nguyen@unsw.edu.au>
Signed-off-by: Bill Nguyen <bill.nguyen@unsw.edu.au>
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Refactored virtio net device code based on #214.