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Previously, the ethernet multiplexer generated ethernet addresses for
the virtual interfaces using a pseudo-random number generator. This
has the downside of generating a new address every time. Generate
stable pseudo-random addresses instead.
* eth-multiplexer/Makefile (HURDLIBS): Link to libihash.
* eth-multiplexer/ethernet.c (ether_address): New variable.
(get_ethernet_address): New function.
(ethernet_open): Get the ethernet address of the real interface.
* eth-multiplexer/ethernet.h (ether_address): New declaration.
* eth-multiplexer/vdev.c (add_vdev): Compute the ethernet address by
hashing the address of the real interface with the name of the virtual
interface.
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* eth-multiplexer/util.h: Include 'net/if_ether.h'.
(ETH_ALEN): Drop.
(struct ethhdr): Likewise.
* eth-multiplexer/vdev.c: Include 'net/if_ether.h'.
(ETH_HLEN): Drop.
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Previously, the ethernet multiplexer returned the status of the real
network device if one was configured. This had the unfortunate
consequence that all virtual devices shared the same ethernet address.
* eth-multiplexer/device_impl.c (ds_device_get_status): Always return
the information for the virtual device.
* eth-multiplexer/vdev.h (dev_getstat): Add prototype.
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* eth-multiplexer/vdev.c (deliver_msg): Do not return an error if
delivering a message fails. Doing so prevents all other filters from
being executed, and more importantly aborts the iteration over all
virtual devices.
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* Makefile (prog-subdirs): Add the new program.
* NEWS: Update.
* eth-multiplexer/ChangeLog: New file.
* eth-multiplexer/Makefile: Likewise.
* eth-multiplexer/README: Likewise.
* eth-multiplexer/demuxer.c: Likewise.
* eth-multiplexer/dev_stat.c: Likewise.
* eth-multiplexer/device_impl.c: Likewise.
* eth-multiplexer/ethernet.c: Likewise.
* eth-multiplexer/ethernet.h: Likewise.
* eth-multiplexer/mig-decls.h: Likewise.
* eth-multiplexer/mig-mutate.h: Likewise.
* eth-multiplexer/multiplexer.c: Likewise.
* eth-multiplexer/netfs_impl.c: Likewise.
* eth-multiplexer/netfs_impl.h: Likewise.
* eth-multiplexer/notify_impl.c: Likewise.
* eth-multiplexer/test.c: Likewise.
* eth-multiplexer/util.h: Likewise.
* eth-multiplexer/vdev.c: Likewise.
* eth-multiplexer/vdev.h: Likewise.
The eth-multiplexer has been written by Zheng Da. This merges his
work into the main repository.
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