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Add support to query for PTR & SRV records for DNS upstream resolver #97716

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Merged
merged 1 commit into from
Oct 20, 2025
Merged

Add support to query for PTR & SRV records for DNS upstream resolver #97716

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25 changes: 22 additions & 3 deletions modules/openthread/platform/dns_upstream_resolver.c
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Original file line number Diff line number Diff line change
Expand Up @@ -87,9 +87,28 @@ void otPlatDnsStartUpstreamQuery(otInstance *aInstance, otPlatDnsUpstreamQuery *

sys_slist_append(&query_list, &ctx->node);

VerifyOrExit(dns_get_addr_info(name, qtype, &ctx->resolve_query_id,
dns_resolve_cb, (void *)ctx, DNS_TIMEOUT) == 0,
error = OT_ERROR_FAILED);
switch (qtype) {
case DNS_RR_TYPE_AAAA:
VerifyOrExit(dns_get_addr_info(name, qtype, &ctx->resolve_query_id,
dns_resolve_cb, (void *)ctx, DNS_TIMEOUT) == 0,
error = OT_ERROR_FAILED);
break;
case DNS_RR_TYPE_PTR:
VerifyOrExit(dns_resolve_service(dns_resolve_get_default(), name,
&ctx->resolve_query_id,
dns_resolve_cb, (void *)ctx, DNS_TIMEOUT) == 0,
error = OT_ERROR_FAILED);
break;
case DNS_RR_TYPE_SRV:
VerifyOrExit(dns_resolve_name(dns_resolve_get_default(), name, DNS_QUERY_TYPE_SRV,
&ctx->resolve_query_id,
dns_resolve_cb, (void *)ctx, DNS_TIMEOUT) == 0,
error = OT_ERROR_FAILED);
break;
default:
break;
}


exit:
net_buf_unref(result);
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1 change: 1 addition & 0 deletions samples/net/openthread/border_router/prj.conf
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Original file line number Diff line number Diff line change
Expand Up @@ -76,6 +76,7 @@ CONFIG_DNS_RESOLVER=y
CONFIG_DNS_RESOLVER_PACKET_FORWARDING=y
CONFIG_DNS_RESOLVER_MAX_SERVERS=2
CONFIG_DNS_NUM_CONCUR_QUERIES=8
CONFIG_DNS_RESOLVER_MAX_NAME_LEN=128

# OT Border Router flags
CONFIG_OPENTHREAD_BACKBONE_ROUTER_MULTICAST_ROUTING=y
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