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docs(lwip): clarify DNS_MAX_HOST_IP range and addr_cnt in Kconfig

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Abhik Roy
2026-05-27 20:08:42 +10:00
parent 52ffcbf270
commit e1951e6f35
1 changed files with 4 additions and 0 deletions
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4
components/lwip/Kconfig
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@@ -1204,9 +1204,13 @@ menu "LWIP"
config LWIP_DNS_MAX_HOST_IP
int "Maximum number of IP addresses per host"
range 1 8
default 1
help
Maximum number of IP addresses that can be returned by DNS queries for a single host.
Allowed values are 1--8. In lwIP this is ``DNS_MAX_HOST_IP``. Multi-IP DNS APIs
require the caller's ``addr_cnt`` argument to satisfy 0 < addr_cnt <= DNS_MAX_HOST_IP;
otherwise they return ``ERR_ARG``.
config LWIP_DNS_MAX_SERVERS
int "Maximum number of DNS servers"