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netfilter: add bpf match support

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Add xt_bpf modules to {kmod-ipt,iptables-mod}-filter.

Match using Linux Socket Filter. Expects a BPF program in decimal
format. This is the format generated by the nfbpf_compile utility.

Signed-off-by: Alin Nastac <alin.nastac@gmail.com>
This commit is contained in:
Alin Nastac 2018-06-25 10:22:21 +02:00 committed by John Crispin
parent 094d49cddf
commit ab07ae2f27
3 changed files with 3 additions and 0 deletions
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1
include/netfilter.mk
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@ -106,6 +106,7 @@ $(eval $(call nf_add,IPT_PHYSDEV,CONFIG_NETFILTER_XT_MATCH_PHYSDEV, $(P_XT)xt_ph
# filter
$(eval $(call nf_add,IPT_FILTER,CONFIG_NETFILTER_XT_MATCH_STRING, $(P_XT)xt_string))
$(eval $(call nf_add,IPT_FILTER,CONFIG_NETFILTER_XT_MATCH_BPF, $(P_XT)xt_bpf))
# ipopt

1
package/kernel/linux/modules/netfilter.mk
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@ -237,6 +237,7 @@ define KernelPackage/ipt-filter/description
Netfilter (IPv4) kernel modules for packet content inspection
Includes:
- string
- bpf
endef
$(eval $(call KernelPackage,ipt-filter))

1
package/network/utils/iptables/Makefile
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@ -151,6 +151,7 @@ Includes support for:
Matches:
- string
- bpf
endef