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| Passing network traffic from macOS 11.5 to QEMU https://forum.osdev.org/viewtopic.php?f=1&t=56100 |
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| Author: | Princekin [ Sat Jan 22, 2022 11:57 pm ] |
| Post subject: | Passing network traffic from macOS 11.5 to QEMU |
Hi: I develop a custom os use qemu and use macos 11.5.2 as host, I use the net argument '-net nic,model=pcnet -net tap,ifname=tap0,script=no,downscript=no’ when run the qemu-system-i386,then I can get the network device in my custom os: pci_device_dump: vendor id: 0x1022 pci_device_dump: device id: 0x2000 pci_device_dump: class code: 0x20000 pci_device_dump: revision id: 0x10 pci_device_dump: multi function: 0 pci_device_dump: card bus CIS pointer: 0 pci_device_dump: subsystem vendor id: 0 pci_device_dump: subsystem device id: 0 pci_device_dump: expansion ROM base address: feb80000 pci_device_dump: capability list pointer: 0 pci_device_dump: irq line: 11 pci_device_dump: irq pin: 1 pci_device_dump: min Gnt: 6 pci_device_dump: max Lat: 255 pci_device_dump: bar 0: pci_device_bar_dump: type: io base address pci_device_bar_dump: base address: c000 pci_device_bar_dump: len: 20 pci_device_dump: bar 1: pci_device_bar_dump: type: mem base address pci_device_bar_dump: base address: febd1000 pci_device_bar_dump: len: 20 I can send a message to the host from my custom os in qemu, but can’t receive a message from the host. so I rebuild the qemu using this patch https://patchew.org/QEMU/[email protected]/, then I use the argument '-netdev vmnet-bridged,id=vmnet,ifname=en0’ to run the qemu-system-i386 again, this time, I can’t get the network device either and show warning: "qemu-system-i386: warning: netdev vmnet has no peer". I don’t know why, how to use vmnet-bridged to send message to host from my custom os and receive a message from the host, what should I do? thanks a lot! I had referenced from https://forum.osdev.org/viewtopic.php?f=1&t=39828, but it's older, when I build the version qemu,I got errors. |
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