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platform/trivial: add code comments

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This commit is contained in:
Thomas Haller 2017-09-02 16:56:27 +02:00
parent 5c7e0654eb
commit b3254da173
2 changed files with 8 additions and 1 deletions
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4
src/platform/nm-platform.c
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@ -3778,6 +3778,10 @@ _ip_route_scope_inv_get_normalized (const NMPlatformIP4Route *route)
* Adding a route to kernel via nm_platform_ip_route_add() will normalize/coerce some
* properties of the route. This function modifies (normalizes) the route like it
* would be done by adding the route in kernel.
*
* Note that this function is related to NM_PLATFORM_IP_ROUTE_CMP_TYPE_SEMANTICALLY
* in that if two routes compare semantically equal, after normalizing they also shall
* compare equal with NM_PLATFORM_IP_ROUTE_CMP_TYPE_FULL.
*/
void
nm_platform_ip_route_normalize (int addr_family,

5
src/platform/nm-platform.h
View file

@ -138,7 +138,10 @@ typedef enum {
* a route destination 192.168.1.5/24 is not accepted by kernel and
* we treat it identical to 192.168.1.0/24. Semantically these
* routes are identical, but NM_PLATFORM_IP_ROUTE_CMP_TYPE_FULL will
* report them as different. */
* report them as different.
*
* The result shall be identical to call first nm_platform_ip_route_normalize()
* on both routes and then doing a full comparison. */
NM_PLATFORM_IP_ROUTE_CMP_TYPE_SEMANTICALLY,
/* compare all fields. This should have the same effect as memcmp(),