netfilter: add bpf match support

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>

diff --git a/include/netfilter.mk b/include/netfilter.mk
index 5d532cea5b23e1f01cbb31b0cfcd5ef7832ab231..510aa183ca1ed9ab38015ced17005d70a6f4f6fa 100644 (file)
--- a/include/netfilter.mk
+++ b/include/netfilter.mk
@@ -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

diff --git a/package/kernel/linux/modules/netfilter.mk b/package/kernel/linux/modules/netfilter.mk
index 51f3544ed6d040735e136082cabf000eda9e0508..be469fac150429ef761dc7494ab77a3f32778825 100644 (file)
--- a/package/kernel/linux/modules/netfilter.mk
+++ b/package/kernel/linux/modules/netfilter.mk
@@ -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))

diff --git a/package/network/utils/iptables/Makefile b/package/network/utils/iptables/Makefile
index b3955b9a97459800f08550254c23c520236e46fa..8423701f07774679d4199dd3ab21e84c42e656b9 100644 (file)
--- a/package/network/utils/iptables/Makefile
+++ b/package/network/utils/iptables/Makefile
@@ -151,6 +151,7 @@ Includes support for:
 
  Matches:
   - string
+  - bpf
 
 endef