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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
5 changed files with 20 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
config/Config-kernel.in
View File

@@ -607,6 +607,17 @@ config KERNEL_SECCOMP
help help
Build kernel with support for seccomp. 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 # IPv6 configuration
# #
@@ -623,7 +634,11 @@ if KERNEL_IPV6
def_bool y def_bool y
config KERNEL_IPV6_MROUTE 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 config KERNEL_IPV6_PIMSM_V2
def_bool n def_bool n

2
target/linux/generic/config-3.18
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@@ -1630,7 +1630,7 @@ CONFIG_IPW2200_MONITOR=y
CONFIG_IP_ADVANCED_ROUTER=y CONFIG_IP_ADVANCED_ROUTER=y
# CONFIG_IP_DCCP is not set # CONFIG_IP_DCCP is not set
# CONFIG_IP_FIB_TRIE_STATS 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_MROUTE_MULTIPLE_TABLES=y
CONFIG_IP_MULTICAST=y CONFIG_IP_MULTICAST=y
CONFIG_IP_MULTIPLE_TABLES=y CONFIG_IP_MULTIPLE_TABLES=y

2
target/linux/generic/config-4.14
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@@ -2032,7 +2032,7 @@ CONFIG_IPW2200_MONITOR=y
CONFIG_IP_ADVANCED_ROUTER=y CONFIG_IP_ADVANCED_ROUTER=y
# CONFIG_IP_DCCP is not set # CONFIG_IP_DCCP is not set
# CONFIG_IP_FIB_TRIE_STATS 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_MROUTE_MULTIPLE_TABLES=y
CONFIG_IP_MULTICAST=y CONFIG_IP_MULTICAST=y
CONFIG_IP_MULTIPLE_TABLES=y CONFIG_IP_MULTIPLE_TABLES=y

2
target/linux/generic/config-4.4
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@@ -1710,7 +1710,7 @@ CONFIG_IPW2200_MONITOR=y
CONFIG_IP_ADVANCED_ROUTER=y CONFIG_IP_ADVANCED_ROUTER=y
# CONFIG_IP_DCCP is not set # CONFIG_IP_DCCP is not set
# CONFIG_IP_FIB_TRIE_STATS 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_MROUTE_MULTIPLE_TABLES=y
CONFIG_IP_MULTICAST=y CONFIG_IP_MULTICAST=y
CONFIG_IP_MULTIPLE_TABLES=y CONFIG_IP_MULTIPLE_TABLES=y

2
target/linux/generic/config-4.9
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@@ -1931,7 +1931,7 @@ CONFIG_IPW2200_MONITOR=y
CONFIG_IP_ADVANCED_ROUTER=y CONFIG_IP_ADVANCED_ROUTER=y
# CONFIG_IP_DCCP is not set # CONFIG_IP_DCCP is not set
# CONFIG_IP_FIB_TRIE_STATS 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_MROUTE_MULTIPLE_TABLES=y
CONFIG_IP_MULTICAST=y CONFIG_IP_MULTICAST=y
CONFIG_IP_MULTIPLE_TABLES=y CONFIG_IP_MULTIPLE_TABLES=y