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kernel: allow disabling multicast routing support

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Multicast routing support is not needed in most setups, and increases the
size of the kernel considerably (>10K after LZMA). Add a config switch to
allow disabling it.

Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
This commit is contained in:
Matthias Schiffer 2018-01-10 15:38:42 +01:00
parent 1abb5c6db1
commit ef27f15330
No known key found for this signature in database
GPG key ID: 16EF3F64CB201D9C
5 changed files with 20 additions and 5 deletions
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17
config/Config-kernel.in
View file

@ -607,6 +607,17 @@ config KERNEL_SECCOMP
help
Build kernel with support for seccomp.
#
# IPv4 configuration
#
config KERNEL_IP_MROUTE
bool "Enable IPv4 multicast routing"
default y
help
Multicast routing requires a multicast routing daemon in
addition to kernel support.
#
# IPv6 configuration
#
@ -623,7 +634,11 @@ if KERNEL_IPV6
def_bool y
config KERNEL_IPV6_MROUTE
def_bool y
bool "Enable IPv6 multicast routing"
default y
help
Multicast routing requires a multicast routing daemon in
addition to kernel support.
config KERNEL_IPV6_PIMSM_V2
def_bool n

2
target/linux/generic/config-3.18
View file

@ -1630,7 +1630,7 @@ CONFIG_IPW2200_MONITOR=y
CONFIG_IP_ADVANCED_ROUTER=y
# CONFIG_IP_DCCP is not set
# CONFIG_IP_FIB_TRIE_STATS is not set
CONFIG_IP_MROUTE=y
# CONFIG_IP_MROUTE is not set
CONFIG_IP_MROUTE_MULTIPLE_TABLES=y
CONFIG_IP_MULTICAST=y
CONFIG_IP_MULTIPLE_TABLES=y

2
target/linux/generic/config-4.14
View file

@ -2032,7 +2032,7 @@ CONFIG_IPW2200_MONITOR=y
CONFIG_IP_ADVANCED_ROUTER=y
# CONFIG_IP_DCCP is not set
# CONFIG_IP_FIB_TRIE_STATS is not set
CONFIG_IP_MROUTE=y
# CONFIG_IP_MROUTE is not set
CONFIG_IP_MROUTE_MULTIPLE_TABLES=y
CONFIG_IP_MULTICAST=y
CONFIG_IP_MULTIPLE_TABLES=y

2
target/linux/generic/config-4.4
View file

@ -1710,7 +1710,7 @@ CONFIG_IPW2200_MONITOR=y
CONFIG_IP_ADVANCED_ROUTER=y
# CONFIG_IP_DCCP is not set
# CONFIG_IP_FIB_TRIE_STATS is not set
CONFIG_IP_MROUTE=y
# CONFIG_IP_MROUTE is not set
CONFIG_IP_MROUTE_MULTIPLE_TABLES=y
CONFIG_IP_MULTICAST=y
CONFIG_IP_MULTIPLE_TABLES=y

2
target/linux/generic/config-4.9
View file

@ -1931,7 +1931,7 @@ CONFIG_IPW2200_MONITOR=y
CONFIG_IP_ADVANCED_ROUTER=y
# CONFIG_IP_DCCP is not set
# CONFIG_IP_FIB_TRIE_STATS is not set
CONFIG_IP_MROUTE=y
# CONFIG_IP_MROUTE is not set
CONFIG_IP_MROUTE_MULTIPLE_TABLES=y
CONFIG_IP_MULTICAST=y
CONFIG_IP_MULTIPLE_TABLES=y