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net: Add the BOOTP_DNS2 option to Kconfig
Commit 3b3ea2c56e
("Kconfig: cmd: Make networking command dependent on NET")
removed the help documentation from the README but didn't add it back to Kconfig.
Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
Reviewed-by: Chris Packham <judge.packham@gmail.com>
Reviewed-by: Duncan Hare <dh@synoia.com>
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cmd/Kconfig
11
cmd/Kconfig
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@ -1056,6 +1056,17 @@ config BOOTP_DNS
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returned, you must set BOOTP_DNS2 to store that second server IP
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also.
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config BOOTP_DNS2
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bool "Store 'dnsip2' from BOOTP/DHCP server"
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depends on BOOTP_DNS
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help
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If a DHCP client requests the DNS server IP from a DHCP server,
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it is possible that more than one DNS serverip is offered to the
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client. If CONFIG_BOOTP_DNS2 is enabled, the secondary DNS
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server IP will be stored in the additional environment
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variable "dnsip2". The first DNS serverip is always
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stored in the variable "dnsip", when BOOTP_DNS is defined.
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config BOOTP_GATEWAY
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bool "Request & store 'gatewayip' from BOOTP/DHCP server"
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depends on CMD_BOOTP
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