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ospf6d: Let the user override interface cost for a loopback

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Fixes: 80dfa9e012 ("ospf6d: Set loopback interface cost to 0")

Signed-off-by: Donatas Abraitis <donatas@opensourcerouting.org>
(cherry picked from commit d46c4e9402)
This commit is contained in:
Donatas Abraitis 2023-11-13 21:06:20 +02:00 committed by Mergify
parent de607853c8
commit e611ca65ed
1 changed files with 10 additions and 10 deletions
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20
ospf6d/ospf6_interface.c
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@ -128,19 +128,10 @@ static uint8_t ospf6_default_iftype(struct interface *ifp)
static uint32_t ospf6_interface_get_cost(struct ospf6_interface *oi)
{
/* If all else fails, use default OSPF cost */
uint32_t cost = 0;
uint32_t cost;
uint32_t bw, refbw;
struct ospf6 *ospf6;
/* If the interface type is point-to-multipoint or the interface
* is in the state Loopback, the global scope IPv6 addresses
* associated with the interface (if any) are copied into the
* intra-area-prefix-LSA with the PrefixOptions LA-bit set, the
* PrefixLength set to 128, and the metric set to 0.
*/
if (if_is_loopback(oi->interface))
return cost;
/* interface speed and bw can be 0 in some platforms,
* use ospf default bw. If bw is configured then it would
* be used.
@ -162,6 +153,15 @@ static uint32_t ospf6_interface_get_cost(struct ospf6_interface *oi)
cost = (uint32_t)((double)refbw / (double)bw + (double)0.5);
if (cost < 1)
cost = 1;
/* If the interface type is point-to-multipoint or the interface
* is in the state Loopback, the global scope IPv6 addresses
* associated with the interface (if any) are copied into the
* intra-area-prefix-LSA with the PrefixOptions LA-bit set, the
* PrefixLength set to 128, and the metric set to 0.
*/
if (if_is_loopback(oi->interface))
cost = 0;
}
return cost;