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net: hostname: Add a function to set the hostname postfix as is.

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Fixes: #72363

The existing function to set the postfix is converting postfix
string to hexadecimal. Adding a new function to handle a use case
where the provided postfix should be used as is without any conversion.

Signed-off-by: Vineeta S Narkhede <VineetaSNarkhede@Eaton.com>
This commit is contained in:
Vineeta S Narkhede 2024-07-04 18:30:00 +05:30 • committed by Anas Nashif
commit 232c802c05
3 changed files with 71 additions and 6 deletions
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10
doc/connectivity/networking/api/net_hostname.rst
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@ -27,10 +27,12 @@ interface is used as a postfix. In Ethernet networks, the link local address
refers to MAC address. For example, if the link local address is
``01:02:03:04:05:06``, then the unique hostname could be
``zephyr010203040506``. If you want to set the prefix yourself, then call
``net_hostname_set_postfix()`` before the network interfaces are created.
For example for the Ethernet networks, the initialization priority is set by
:kconfig:option:`CONFIG_ETH_INIT_PRIORITY` so you would need to set the postfix before
that. The postfix can be set only once.
``net_hostname_set_postfix_str()`` before the network interfaces are created.
Alternatively, if you prefer a hexadecimal conversion for the prefix, then call
``net_hostname_set_postfix()``. For example for the Ethernet networks,
the initialization priority is set by :kconfig:option:`CONFIG_ETH_INIT_PRIORITY`
so you would need to set the postfix before that.
The postfix can be set only once.
API Reference
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