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kernel: netfilter: add IPVS kernel module support

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IPVS (IP Virtual Server) implements transport-layer load balancing inside
the Linux kernel, so called Layer-4 switching. IPVS running on a host acts
as a load balancer at the front of a cluster of real servers, it can direct
requests for TCP/UDP based services to the real servers, and makes services
of the real servers to appear as a virtual service on a single IP address.

This change adds the following kmod packages
- kmod-nf-ipvs
- kmod-nf-ipvs-ftp
- kmod-nf-ipvs-sip

Signed-off-by: Mauro Mozzarelli <mauro@ezplanet.org>
Signed-off-by: Florian Eckert <fe@dev.tdt.de>
This commit is contained in:
Mauro Mozzarelli 2017-10-02 19:09:09 +01:00 committed by Kevin Darbyshire-Bryant
parent e0196152eb
commit 9f105ce8c8
1 changed files with 92 additions and 0 deletions
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92
package/kernel/linux/modules/netfilter.mk
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@ -348,6 +348,98 @@ endef
$(eval $(call KernelPackage,ipt-ipset)) $(eval $(call KernelPackage,ipt-ipset))
IPVS_MODULES:= \
ipvs/ip_vs \
ipvs/ip_vs_lc \
ipvs/ip_vs_wlc \
ipvs/ip_vs_rr \
ipvs/ip_vs_wrr \
ipvs/ip_vs_lblc \
ipvs/ip_vs_lblcr \
ipvs/ip_vs_dh \
ipvs/ip_vs_sh \
ipvs/ip_vs_fo \
ipvs/ip_vs_ovf \
ipvs/ip_vs_nq \
ipvs/ip_vs_sed \
xt_ipvs
define KernelPackage/nf-ipvs
SUBMENU:=Netfilter Extensions
TITLE:=IP Virtual Server modules
DEPENDS:=@IPV6 +kmod-lib-crc32c +kmod-ipt-conntrack +kmod-nf-conntrack
KCONFIG:= \
CONFIG_IP_VS \
CONFIG_IP_VS_IPV6=y \
CONFIG_IP_VS_DEBUG=n \
CONFIG_IP_VS_PROTO_TCP=y \
CONFIG_IP_VS_PROTO_UDP=y \
CONFIG_IP_VS_PROTO_AH_ESP=y \
CONFIG_IP_VS_PROTO_ESP=y \
CONFIG_IP_VS_PROTO_AH=y \
CONFIG_IP_VS_PROTO_SCTP=y \
CONFIG_IP_VS_TAB_BITS=12 \
CONFIG_IP_VS_RR \
CONFIG_IP_VS_WRR \
CONFIG_IP_VS_LC \
CONFIG_IP_VS_WLC \
CONFIG_IP_VS_FO \
CONFIG_IP_VS_OVF \
CONFIG_IP_VS_LBLC \
CONFIG_IP_VS_LBLCR \
CONFIG_IP_VS_DH \
CONFIG_IP_VS_SH \
CONFIG_IP_VS_SED \
CONFIG_IP_VS_NQ \
CONFIG_IP_VS_SH_TAB_BITS=8 \
CONFIG_IP_VS_NFCT=y \
CONFIG_NETFILTER_XT_MATCH_IPVS
FILES:=$(foreach mod,$(IPVS_MODULES),$(LINUX_DIR)/net/netfilter/$(mod).ko)
$(call AddDepends/ipt,+kmod-ipt-conntrack,+kmod-nf-conntrack)
endef
define KernelPackage/nf-ipvs/description
IPVS (IP Virtual Server) implements transport-layer load balancing inside
the Linux kernel so called Layer-4 switching.
endef
$(eval $(call KernelPackage,nf-ipvs))
define KernelPackage/nf-ipvs-ftp
SUBMENU:=$(NF_MENU)
TITLE:=Virtual Server FTP protocol support
KCONFIG:=CONFIG_IP_VS_FTP
DEPENDS:=kmod-nf-ipvs +kmod-nf-nat +kmod-nf-nathelper
FILES:=$(LINUX_DIR)/net/netfilter/ipvs/ip_vs_ftp.ko
endef
define KernelPackage/nf-ipvs-ftp/description
In the virtual server via Network Address Translation,
the IP address and port number of real servers cannot be sent to
clients in ftp connections directly, so FTP protocol helper is
required for tracking the connection and mangling it back to that of
virtual service.
endef
$(eval $(call KernelPackage,nf-ipvs-ftp))
define KernelPackage/nf-ipvs-sip
SUBMENU:=$(NF_MENU)
TITLE:=Virtual Server SIP protocol support
KCONFIG:=CONFIG_IP_VS_PE_SIP
DEPENDS:=kmod-nf-ipvs +kmod-nf-nathelper-extra
FILES:=$(LINUX_DIR)/net/netfilter/ipvs/ip_vs_pe_sip.ko
endef
define KernelPackage/nf-ipvs-sip/description
Allow persistence based on the SIP Call-ID
endef
$(eval $(call KernelPackage,nf-ipvs-sip))
define KernelPackage/ipt-nat define KernelPackage/ipt-nat
TITLE:=Basic NAT targets TITLE:=Basic NAT targets
KCONFIG:=$(KCONFIG_IPT_NAT) KCONFIG:=$(KCONFIG_IPT_NAT)