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bgpd: Just pass down the Bandwidth unmodified so that Zebra can use it

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Instead of scaling the bandwith to something between 1 and 100, just
send down the bandwidth Available for the link.

Signed-off-by: Donald Sharp <sharpd@nvidia.com>
This commit is contained in:
Donald Sharp 2023-09-29 15:17:14 -04:00
parent 2d6a0128dd
commit 3e73271653
1 changed files with 3 additions and 9 deletions
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12
bgpd/bgp_zebra.c
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@ -1209,24 +1209,18 @@ static bool update_ipv6nh_for_route_install(int nh_othervrf, struct bgp *nh_bgp,
static bool bgp_zebra_use_nhop_weighted(struct bgp *bgp, struct attr *attr, static bool bgp_zebra_use_nhop_weighted(struct bgp *bgp, struct attr *attr,
uint64_t tot_bw, uint32_t *nh_weight) uint64_t tot_bw, uint32_t *nh_weight)
{ {
uint32_t bw;
uint64_t tmp;
bw = attr->link_bw;
/* zero link-bandwidth and link-bandwidth not present are treated /* zero link-bandwidth and link-bandwidth not present are treated
* as the same situation. * as the same situation.
*/ */
if (!bw) { if (!attr->link_bw) {
/* the only situations should be if we're either told /* the only situations should be if we're either told
* to skip or use default weight. * to skip or use default weight.
*/ */
if (bgp->lb_handling == BGP_LINK_BW_SKIP_MISSING) if (bgp->lb_handling == BGP_LINK_BW_SKIP_MISSING)
return false; return false;
*nh_weight = BGP_ZEBRA_DEFAULT_NHOP_WEIGHT; *nh_weight = BGP_ZEBRA_DEFAULT_NHOP_WEIGHT;
} else { } else
tmp = (uint64_t)bw * 100; *nh_weight = attr->link_bw;
*nh_weight = ((uint32_t)(tmp / tot_bw));
}
return true; return true;
} }