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netfilter: add help information to new nf_tables Kconfig options

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Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Pablo Neira Ayuso 2013-12-30 15:09:18 +01:00
parent bee11dc78f
commit d497c63527
3 changed files with 68 additions and 0 deletions
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14
net/ipv4/netfilter/Kconfig
View File

@ -39,19 +39,33 @@ config NF_CONNTRACK_PROC_COMPAT
config NF_TABLES_IPV4
depends on NF_TABLES
tristate "IPv4 nf_tables support"
help
This option enables the IPv4 support for nf_tables.
config NFT_CHAIN_ROUTE_IPV4
depends on NF_TABLES_IPV4
tristate "IPv4 nf_tables route chain support"
help
This option enables the "route" chain for IPv4 in nf_tables. This
chain type is used to force packet re-routing after mangling header
fields such as the source, destination, type of service and
the packet mark.
config NFT_CHAIN_NAT_IPV4
depends on NF_TABLES_IPV4
depends on NF_NAT_IPV4 && NFT_NAT
tristate "IPv4 nf_tables nat chain support"
help
This option enables the "nat" chain for IPv4 in nf_tables. This
chain type is used to perform Network Address Translation (NAT)
packet transformations such as the source, destination address and
source and destination ports.
config NF_TABLES_ARP
depends on NF_TABLES
tristate "ARP nf_tables support"
help
This option enables the ARP support for nf_tables.
config IP_NF_IPTABLES
tristate "IP tables support (required for filtering/masq/NAT)"

12
net/ipv6/netfilter/Kconfig
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@ -28,15 +28,27 @@ config NF_CONNTRACK_IPV6
config NF_TABLES_IPV6
depends on NF_TABLES
tristate "IPv6 nf_tables support"
help
This option enables the IPv6 support for nf_tables.
config NFT_CHAIN_ROUTE_IPV6
depends on NF_TABLES_IPV6
tristate "IPv6 nf_tables route chain support"
help
This option enables the "route" chain for IPv6 in nf_tables. This
chain type is used to force packet re-routing after mangling header
fields such as the source, destination, flowlabel, hop-limit and
the packet mark.
config NFT_CHAIN_NAT_IPV6
depends on NF_TABLES_IPV6
depends on NF_NAT_IPV6 && NFT_NAT
tristate "IPv6 nf_tables nat chain support"
help
This option enables the "nat" chain for IPv6 in nf_tables. This
chain type is used to perform Network Address Translation (NAT)
packet transformations such as the source, destination address and
source and destination ports.
config IP6_NF_IPTABLES
tristate "IP6 tables support (required for filtering)"

42
net/netfilter/Kconfig
View File

@ -416,45 +416,83 @@ endif # NF_CONNTRACK
config NF_TABLES
select NETFILTER_NETLINK
tristate "Netfilter nf_tables support"
help
nftables is the new packet classification framework that intends to
replace the existing {ip,ip6,arp,eb}_tables infrastructure. It
provides a pseudo-state machine with an extensible instruction-set
(also known as expressions) that the userspace 'nft' utility
(http://www.netfilter.org/projects/nftables) uses to build the
rule-set. It also comes with the generic set infrastructure that
allows you to construct mappings between matchings and actions
for performance lookups.
To compile it as a module, choose M here.
config NFT_EXTHDR
depends on NF_TABLES
tristate "Netfilter nf_tables IPv6 exthdr module"
help
This option adds the "exthdr" expression that you can use to match
IPv6 extension headers.
config NFT_META
depends on NF_TABLES
tristate "Netfilter nf_tables meta module"
help
This option adds the "meta" expression that you can use to match and
to set packet metainformation such as the packet mark.
config NFT_CT
depends on NF_TABLES
depends on NF_CONNTRACK
tristate "Netfilter nf_tables conntrack module"
help
This option adds the "meta" expression that you can use to match
connection tracking information such as the flow state.
config NFT_RBTREE
depends on NF_TABLES
tristate "Netfilter nf_tables rbtree set module"
help
This option adds the "rbtree" set type (Red Black tree) that is used
to build interval-based sets.
config NFT_HASH
depends on NF_TABLES
tristate "Netfilter nf_tables hash set module"
help
This option adds the "hash" set type that is used to build one-way
mappings between matchings and actions.
config NFT_COUNTER
depends on NF_TABLES
tristate "Netfilter nf_tables counter module"
help
This option adds the "counter" expression that you can use to
include packet and byte counters in a rule.
config NFT_LOG
depends on NF_TABLES
tristate "Netfilter nf_tables log module"
help
This option adds the "log" expression that you can use to log
packets matching some criteria.
config NFT_LIMIT
depends on NF_TABLES
tristate "Netfilter nf_tables limit module"
help
This option adds the "limit" expression that you can use to
ratelimit rule matchings.
config NFT_NAT
depends on NF_TABLES
depends on NF_CONNTRACK
depends on NF_NAT
tristate "Netfilter nf_tables nat module"
help
This option adds the "nat" expression that you can use to perform
typical Network Address Translation (NAT) packet transformations.
config NFT_QUEUE
depends on NF_TABLES
@ -470,6 +508,10 @@ config NFT_REJECT
depends on NF_TABLES_IPV6 || !NF_TABLES_IPV6
default m if NETFILTER_ADVANCED=n
tristate "Netfilter nf_tables reject support"
help
This option adds the "reject" expression that you can use to
explicitly deny and notify via TCP reset/ICMP informational errors
unallowed traffic.
config NFT_COMPAT
depends on NF_TABLES