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lib: adapt nexthop_cmp to handle multiple segs SIDs

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Extend nexthop_cmp function to process multiple segs
SIDs.

Signed-off-by: Dmytro Shytyi <dmytro.shytyi@6wind.com>
This commit is contained in:
Dmytro Shytyi 2023-07-27 11:40:22 +02:00
parent 857945ad1a
commit 74fb8a2d18
1 changed files with 21 additions and 3 deletions
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24
lib/nexthop.c
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@ -56,6 +56,7 @@ static int _nexthop_srv6_cmp(const struct nexthop *nh1,
const struct nexthop *nh2) const struct nexthop *nh2)
{ {
int ret = 0; int ret = 0;
int i = 0;
if (!nh1->nh_srv6 && !nh2->nh_srv6) if (!nh1->nh_srv6 && !nh2->nh_srv6)
return 0; return 0;
@ -78,9 +79,26 @@ static int _nexthop_srv6_cmp(const struct nexthop *nh1,
if (ret != 0) if (ret != 0)
return ret; return ret;
ret = memcmp(&nh1->nh_srv6->seg6_segs, if (!nh1->nh_srv6->seg6_segs && !nh2->nh_srv6->seg6_segs)
&nh2->nh_srv6->seg6_segs, return 0;
sizeof(struct in6_addr));
if (!nh1->nh_srv6->seg6_segs && nh2->nh_srv6->seg6_segs)
return -1;
if (nh1->nh_srv6->seg6_segs && !nh2->nh_srv6->seg6_segs)
return 1;
if (nh1->nh_srv6->seg6_segs->num_segs !=
nh2->nh_srv6->seg6_segs->num_segs)
return -1;
for (i = 0; i < nh1->nh_srv6->seg6_segs->num_segs; i++) {
ret = memcmp(&nh1->nh_srv6->seg6_segs->seg[i],
&nh2->nh_srv6->seg6_segs->seg[i],
sizeof(struct in6_addr));
if (ret != 0)
break;
}
return ret; return ret;
} }