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@xxxxxxxxx>
---
net/ipv4/netfilter/ip_tables.c | 1 +
net/ipv6/netfilter/ip6_tables.c | 1 +
2 files changed, 2 insertions(+)
diff --git a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c
index 44b308d93ec2..e85f35b89c49 100644
--- a/net/ipv4/netfilter/ip_tables.c
+++ b/net/ipv4/netfilter/ip_tables.c
@@ -34,6 +34,7 @@
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Netfilter Core Team <coreteam@xxxxxxxxxxxxx>");
MODULE_DESCRIPTION("IPv4 packet filter");
+MODULE_ALIAS("ipt_icmp");
void *ipt_alloc_initial_table(const struct xt_table *info)
{
diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c
index 65c9e1a58305..97f79dc943d7 100644
--- a/net/ipv6/netfilter/ip6_tables.c
+++ b/net/ipv6/netfilter/ip6_tables.c
@@ -38,6 +38,7 @@
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Netfilter Core Team <coreteam@xxxxxxxxxxxxx>");
MODULE_DESCRIPTION("IPv6 packet filter");
+MODULE_ALIAS("ip6t_icmp6");
void *ip6t_alloc_initial_table(const struct xt_table *info)
{
--
2.16.1
--
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