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netfilter: x_tables: add module alias for icmp matches 

The icmp matches are implemented in ip_tables and ip6_tables,
respectively, so for normal iptables they are always available:
those modules are loaded once iptables calls getsockopt() to fetch
available module revisions.

In iptables-over-nftables case probing occurs via nfnetlink, so
these modules might not be loaded.  Add aliases so modprobe can load
these when icmp/icmp6 is requested.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Florian Westphal 2018-05-06 00:46:16 +02:00 committed by Pablo Neira Ayuso
parent 4e09fc873d
commit a44f6d82a4
2 changed files with 2 additions and 0 deletions
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1
net/ipv4/netfilter/ip_tables.c
View File

@ -34,6 +34,7 @@
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Netfilter Core Team <coreteam@netfilter.org>");
MODULE_DESCRIPTION("IPv4 packet filter");
MODULE_ALIAS("ipt_icmp");
void *ipt_alloc_initial_table(const struct xt_table *info)
{

1
net/ipv6/netfilter/ip6_tables.c
View File

@ -38,6 +38,7 @@
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Netfilter Core Team <coreteam@netfilter.org>");
MODULE_DESCRIPTION("IPv6 packet filter");
MODULE_ALIAS("ip6t_icmp6");
void *ip6t_alloc_initial_table(const struct xt_table *info)
{