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platform: update code documentation for nm_platform_link_get_physical_port_id()

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Dan Williams 2015-03-24 12:18:48 -05:00
parent cd5c9043fa
commit f3902ca423
1 changed files with 7 additions and 1 deletions
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8
src/platform/nm-platform.c
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@ -963,9 +963,15 @@ nm_platform_link_get_mtu (int ifindex)
}
/**
* nm_platform_link_get_mtu:
* nm_platform_link_get_physical_port_id:
* @ifindex: Interface index
*
* The physical port ID, if present, indicates some unique identifier of
* the parent interface (eg, the physical port of which this link is a child).
* Two links that report the same physical port ID can be assumed to be
* children of the same physical port and may share resources that limit
* their abilities.
*
* Returns: physical port ID for the interface, or %NULL on error
* or if the interface has no physical port ID.
*/