From: Yann E. MORIN <yann.morin.1998@free.fr>
To: buildroot@busybox.net
Subject: [Buildroot] [PATCH] busybox: Enable domain search list support in udhcpc
Date: Sat, 3 Aug 2019 17:49:00 +0200 [thread overview]
Message-ID: <20190803154900.GA26072@scaer> (raw)
In-Reply-To: <20190408110010.2596-1-abrodkin@synopsys.com>
Alexey, All,
On 2019-04-08 14:00 +0300, Alexey Brodkin spake thusly:
> This is useful in networks with internal resources as it allows
> to use much shorter names.
>
> E.g. instead of "server.internal.company.com" it's possible
> to use just "server" if DHCP server is configured with:
> ---------------------------->8-----------------------
> option domain-search "internal.company.com";
> ---------------------------->8-----------------------
>
> This improvement consists of 2 parts:
>
> 1. Enable handling of RFC3397 so DHCP client is ready for processing
> corresponding data from DHCP server.
>
> 2. Some DHCP servers always send out search list if it is set in server's
> configuration and some servers only provide search list if client
> asks for that (sending list of options it expectes to get).
>
> And exactly for those stubborn DHCP servers we need to add "-O search"
> to udhcp's command line via CONFIG_IFUPDOWN_UDHCPC_CMD_OPTIONS.
>
> Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
> Cc: Ignacy Gawedzki <ignacy.gawedzki@green-communications.fr>
> Cc: Peter Korsgaard <peter@korsgaard.com>
Acked-by: Yann E. MORIN <yann.morin.1998@free.fr>
Regards,
Yann E. MORIN.
> ---
> package/busybox/busybox.config | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/package/busybox/busybox.config b/package/busybox/busybox.config
> index 1d9560d655..ab04854c83 100644
> --- a/package/busybox/busybox.config
> +++ b/package/busybox/busybox.config
> @@ -967,9 +967,9 @@ CONFIG_UDHCPC_DEFAULT_SCRIPT="/usr/share/udhcpc/default.script"
> # CONFIG_FEATURE_UDHCP_PORT is not set
> CONFIG_UDHCP_DEBUG=0
> CONFIG_UDHCPC_SLACK_FOR_BUGGY_SERVERS=80
> -# CONFIG_FEATURE_UDHCP_RFC3397 is not set
> +CONFIG_FEATURE_UDHCP_RFC3397=y
> CONFIG_FEATURE_UDHCP_8021Q=y
> -CONFIG_IFUPDOWN_UDHCPC_CMD_OPTIONS="-R -n"
> +CONFIG_IFUPDOWN_UDHCPC_CMD_OPTIONS="-R -n -O search"
>
> #
> # Print Utilities
> --
> 2.16.2
>
> _______________________________________________
> buildroot mailing list
> buildroot at busybox.net
> http://lists.busybox.net/mailman/listinfo/buildroot
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next prev parent reply other threads:[~2019-08-03 15:49 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-08 11:00 [Buildroot] [PATCH] busybox: Enable domain search list support in udhcpc Alexey Brodkin
2019-08-03 15:49 ` Yann E. MORIN [this message]
2019-08-03 16:03 ` Peter Korsgaard
2019-08-04 7:51 ` Alexey Brodkin
2019-08-30 20:32 ` Peter Korsgaard
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