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nf-conntrack: allow querying conntrack info in nfqueue 

This allows libnetfilter_queue to access connection tracking information
by requesting NFQA_CFG_F_CONNTRACK. Connection tracking information is
provided in the NFQA_CT attribute.
CONFIG_NETFILTER_NETLINK_GLUE_CT enables the interaction between
nf_queue and nf_conntrack_netlink. Without this option, trying to access
connection tracking information results in "Operation not supported".

Signed-off-by: Etan Kissling <etan_kissling@apple.com>
This commit is contained in:
Etan Kissling 2021-01-13 00:54:08 +01:00 committed by Daniel Golle
parent 9afbf33b60
commit 39add246c1
2 changed files with 2 additions and 1 deletions
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2
package/kernel/linux/modules/netfilter.mk
View File

@ -1002,7 +1002,7 @@ $(eval $(call KernelPackage,nfnetlink-queue))
define KernelPackage/nf-conntrack-netlink
TITLE:=Connection tracking netlink interface
FILES:=$(LINUX_DIR)/net/netfilter/nf_conntrack_netlink.ko
KCONFIG:=CONFIG_NF_CT_NETLINK CONFIG_NF_CONNTRACK_EVENTS=y
KCONFIG:=CONFIG_NF_CT_NETLINK CONFIG_NF_CONNTRACK_EVENTS=y CONFIG_NETFILTER_NETLINK_GLUE_CT=y
AUTOLOAD:=$(call AutoProbe,nf_conntrack_netlink)
$(call AddDepends/nfnetlink,+kmod-ipt-conntrack)
endef

1
target/linux/generic/config-5.4
View File

@ -3672,6 +3672,7 @@ CONFIG_NF_CONNTRACK_PROCFS=y
# CONFIG_NF_CONNTRACK_ZONES is not set
# CONFIG_NF_CT_NETLINK is not set
# CONFIG_NF_CT_NETLINK_TIMEOUT is not set
# CONFIG_NF_CT_NETLINK_HELPER is not set
# CONFIG_NF_CT_PROTO_DCCP is not set
# CONFIG_NF_CT_PROTO_GRE is not set
# CONFIG_NF_CT_PROTO_SCTP is not set