Commit 93c21077 authored by Thomas Weißschuh's avatar Thomas Weißschuh Committed by David S. Miller
Browse files

net: ipv6: select DST_CACHE from IPV6_RPL_LWTUNNEL 



The rpl sr tunnel code contains calls to dst_cache_*() which are
only present when the dst cache is built.
Select DST_CACHE to build the dst cache, similar to other kconfig
options in the same file.
Compiling the rpl sr tunnel without DST_CACHE will lead to linker
errors.

Fixes: a7a29f9c ("net: ipv6: add rpl sr tunnel")
Signed-off-by: default avatarThomas Weißschuh <thomas.weissschuh@linutronix.de>
Reviewed-by: default avatarSimon Horman <horms@kernel.org>
Tested-by: Simon Horman <horms@kernel.org> # build-tested
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent b5109b60

net/ipv6/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -323,6 +323,7 @@ config IPV6_RPL_LWTUNNEL 
	bool "IPv6: RPL Source Routing Header support"

	depends on IPV6

	select LWTUNNEL

	select DST_CACHE

	help

	  Support for RFC6554 RPL Source Routing Header using the lightweight

	  tunnels mechanism.