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slip: Add driver for host to qemu connectivity

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The SLIP driver is using UART pipe driver to communicate with
host when Zephyr is running in Qemu. Currently this is only
used by networking sub-system when testing the networking
stack.

Change-Id: I432b4136670766a7fc190f146057924c266f9bea
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
This commit is contained in:
Jukka Rissanen 2016-05-09 12:26:52 +03:00
commit 2ddb7ce42e
6 changed files with 467 additions and 0 deletions
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14
net/yaip/Kconfig
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@ -78,3 +78,17 @@ config NET_NBUF_DATA_SIZE
which leaves in worst case 81 bytes for user data (MTU).
In order to be able to receive at least full IPv6 packet which
has a size of 1280 bytes, the one should allocate 16 fragments here.
config NET_SLIP
bool "Use SLIP connectivity with Qemu"
default n
select SLIP
select UART_PIPE
select UART_INTERRUPT_DRIVEN
help
The SLIP support is only used when the application is
run inside Qemu and the network peer is run in your
host. The host needs to have tunslip running in order
to receive and send network packets via the SLIP driver.
The SLIP driver Kconfig options can be tweaked in drivers
section.