[OpenWrt-Devel] [PATCH] Configure IPv6 kernel options in config/Config-kernel.in

[Arjen de Korte]

Citeren John Crispin <john at phrozen.org>:

> On 22/09/2015 19:31, Arjen de Korte wrote:
>> Revision 46834 changed IPv6 support from a module to builtin. But
>> since the configuration of the IPv6 kernel options was left in
>> package/kernel/linux/modules/netsupport.mk, this means that an
>> empty kmod-ipv6 module was still being generated (not packaged).
>>
>> This patch moves the configuration of the IPv6 kernel options to
>> config/Config-kernel.in to remove this last bit of the module.
>>
>> Note that CONFIG_IPV6_PRIVACY was dropped (enabled by default
>> since Linux v3.13), so this option is no longer needed.
>>
>> See  
>> https://github.com/torvalds/linux/commit/5d9efa7ee99eed58388f186c13cf2e2a87e9ceb4
>>
>> Signed-off-by: Arjen de Korte <arjen+openwrt at de-korte.org>
>> ---
>>  config/Config-kernel.in                    | 23 +++++++++++++++++++++++
>>  package/kernel/linux/modules/netsupport.mk | 22 ----------------------
>>  2 files changed, 23 insertions(+), 22 deletions(-)
>>
>> diff --git a/config/Config-kernel.in b/config/Config-kernel.in
>> index 2572bf4..4082e1e 100644
>> --- a/config/Config-kernel.in
>> +++ b/config/Config-kernel.in
>> @@ -544,3 +544,26 @@ config KERNEL_SECCOMP
>>  		default n
>>  		help
>>  		  Build kernel with support for seccomp.
>> +
>> +#
>> +# IPv6 configuration
>> +#
>> +
>> +config KERNEL_IPV6
>> +	def_bool IPV6
>> +
>> +if KERNEL_IPV6
>> +
>> +	config KERNEL_IPV6_MULTIPLE_TABLES
>> +		def_bool y
>> +
>> +	config KERNEL_IPV6_SUBTREES
>> +		def_bool y
>> +
>> +	config KERNEL_IPV6_MROUTE
>> +		def_bool y
>> +
>> +	config KERNEL_IPV6_PIMSM_V2
>> +		def_bool n
>> +
>> +endif
>> diff --git a/package/kernel/linux/modules/netsupport.mk  
>> b/package/kernel/linux/modules/netsupport.mk
>> index b81d9b4..7a7ca43 100644
>> --- a/package/kernel/linux/modules/netsupport.mk
>> +++ b/package/kernel/linux/modules/netsupport.mk
>> @@ -453,28 +453,6 @@ endef
>>  $(eval $(call KernelPackage,iptunnel6))
>>
>>
>> -define KernelPackage/ipv6
>> -  SUBMENU:=$(NETWORK_SUPPORT_MENU)
>> -  TITLE:=IPv6 support
>> -  DEPENDS:=@IPV6
>> -  HIDDEN:=1
>> -  DEFAULT:=y
>> -  KCONFIG:= \
>> -	CONFIG_IPV6=y \
>> -	CONFIG_IPV6_PRIVACY=y \
>> -	CONFIG_IPV6_MULTIPLE_TABLES=y \
>> -	CONFIG_IPV6_MROUTE=y \
>> -	CONFIG_IPV6_PIMSM_V2=n \
>> -	CONFIG_IPV6_SUBTREES=y
>> -endef
>> -
>> -define KernelPackage/ipv6/description
>> - Kernel modules for IPv6 support
>> -endef
>> -
>> -$(eval $(call KernelPackage,ipv6))
>> -
>> -
>
> this will break all targets still on v3.18

What part will be broken? I tried adm5120 with and without this patch  
and the kernel binaries had identical sizes (which leads me to believe  
they will be the same).

Arjen

>>  define KernelPackage/sit
>>    SUBMENU:=$(NETWORK_SUPPORT_MENU)
>>    DEPENDS:=@IPV6 +kmod-iptunnel +kmod-iptunnel4
>>
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