| Commit message (Collapse) | Author | Age | Files | Lines |
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This patch introduces two new attributes for numgen to allow map
lookups where the number generator will be the key.
Two new attributes needs to be included: NFTNL_EXPR_NG_SET_NAME and
NFTNL_EXPR_NG_SET_ID in order to identify the given map.
Signed-off-by: Laura Garcia Liebana <nevola@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch add code to allocate object handles and delete objects via
object handles.
Signed-off-by: Harsha Sharma <harshasharmaiitr@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch adds code to allocate set handles and delete sets via set
handle.
Signed-off-by: Harsha Sharma <harshasharmaiitr@gmail.com>
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This patch adds code to parse new handle attribute for tables.
Signed-off-by: Harsha Sharma <harshasharmaiitr@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This new attribute allows you to specify the flowtable flags.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This new attribute allows you to specify the flowtable size.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch adds the new "flow_offload" expression to select what flows
are offloaded to an existing flowtable.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch allows you to add, delete and list flowtable through the
existing netlink interface.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Signed-off-by: Florian Westphal <fw@strlen.de>
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Implement expression printing into a FILE pointer analogous to
nftnl_rule_fprintf().
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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SNPRINTF_BUFFER_SIZE() macro declaration and definition is changed so
that it accepts three arguments ret, remain and offset. Parameters size
and len are not required instead parameter remain keeps track of
available space in the buffer.
Signed-off-by: Varsha Rao <rvarsha016@gmail.com>
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This patch adds support for a new type of stateful object: limit.
Signed-off-by: Pablo M. Bermudo Garay <pablombg@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Signed-off-by: Florian Westphal <fw@strlen.de>
Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Signed-off-by: Florian Westphal <fw@strlen.de>
Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Signed-off-by: Florian Westphal <fw@strlen.de>
Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>
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add support for ct helper objects, these are used to assign helpers to
connections, similar to iptables -j CT --set-helper target.
Signed-off-by: Florian Westphal <fw@strlen.de>
Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Signed-off-by: Florian Westphal <fw@strlen.de>
Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Reflect existence of flag in debug output so testsuite can check for it.
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Add new helper function to put and to fetch tlv that comes with u32
payload.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch provides symmetric hash support according to source
ip address and port, and destination ip address and port.
The new attribute NFTA_HASH_TYPE has been included to support
different types of hashing functions. Currently supported
NFT_HASH_JENKINS through jhash and NFT_HASH_SYM through symhash.
The main difference between both types are:
- jhash requires an expression with sreg, symhash doesn't.
- symhash supports modulus and offset, but not seed.
Examples:
nft add rule ip nat prerouting ct mark set jhash ip saddr mod 2
nft add rule ip nat prerouting ct mark set symhash mod 2
Signed-off-by: Laura Garcia Liebana <laura.garcia@zevenet.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This completes the use of nftnl_buf and its auxiliary functions to
export XML/JSON rules.
Highly based on work from Shivani Bhardwaj <shivanib134@gmail.com>.
Signed-off-by: Elise Lennion <elise.lennion@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch adds the new NFTA_RULE_ID attribute.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Useful to append netlink attributes after the batch headers.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Add __nftnl_nlmsg_build_hdr() so nftnl_batch_build_hdr() and
nftnl_nlmsg_build_hdr() share the same code.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Along with the actual support for exthdr expression specific flags, this
also declares NFT_EXTHDR_F_PRESENT used for exthdr existence match.
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Fetch what we have in the kernel tree.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch is a requirement of the TCP option patch.
Signed-off-by: Manuel Messner <mm@skelett.io>
Signed-off-by: Florian Westphal <fw@strlen.de>
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Similar to ct packets/bytes ...
Signed-off-by: Liping Zhang <zlpnobody@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This machinery was introduced to avoid sudden compilation breakage of
old nftables releases. With the upcoming release of 0.7 (and 0.6 which
is now 6 months old) this is not required anymore. Moreover, users gain
nothing from older releases since they are half-boiled and buggy.
So let's get rid of aliases now. Bump LIBVERSION and update map file.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Otherwise, make distcheck breaks.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch extends the quota support to account for consumed bytes.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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If the NFT_SET_OBJECT flag is set, then this set stores a mapping
between any random user-defined arbitrary key and one stateful object.
Very useful for performance lookups.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This new attribute allows us to attach stateful objects to elements for
map lookups. This new attribute identifies the object through its name.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This new attribute specifies the stateful object type this set stores.
Similar to data type, but specific to store objects. You must set the
NFT_SET_OBJECT flag to use this.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch adds a new "objref" expression that you can use to refer to
stateful objects from rules.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch allows you to add, to delete and to get stateful objects,
this support two object types: counter and quota.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch includes updates for the stateful objects.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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So we can include the new NFT_PAYLOAD_L4CSUM_PSEUDOHDR flag.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Fetch what we have at 4.9-rc6.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Allows to query fib for output interface and route type of a packets
source or destination address.
Scheduled for Linux 4.10.
Signed-off-by: Florian Westphal <fw@strlen.de>
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Introduce support for rt expression for routing related data as implemented
in kernel.
Signed-off-by: Anders K. Pedersen <akp@cohaesio.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Add range expression available that is scheduled for linux kernel 4.9.
This range expression allows us to check if a given value placed in a
register is within/outside a specified interval.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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If NFTNL_EXPR_LOG_FLAGS is not set, it's unnecessary to print out the
flags value. Furthermore, it's better to print out string message
instead of the hex value.
Signed-off-by: Liping Zhang <liping.zhang@spreadtrum.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch removes the libmxml integration in libnftnl, since we have
JSON in place and there is no need to support two at the same time.
The JSON support is much better, for example libjansson has a better
parsing error reporting.
Moreover, libmxml 2.10 breaks the integration with libnftnl somehow,
as reported in Debian bug #83870 [0].
Also, the XML support inside libnftnl has never been in good shape, with
several tiny inconsitencies.
[0] https://bugs.debian.org/838370
Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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After adding _SREG_QNUM attr, queuenum is not must option anymore,
so we must test NFTNL_EXPR_QUEUE_NUM first before dumpping queue num
in snprintf_default. Also add a tailing space in snprintf_default,
this is consistent with other expressions.
Signed-off-by: Liping Zhang <liping.zhang@spreadtrum.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Add support to pass through an offset value to the counter
initialization. With this feature, the sysadmin is able to apply a value
to be added to the generated number.
Example:
meta mark set numgen inc mod 2 offset 100
This will generate marks with series 100, 101, 100, 101, ...
Suggested-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Laura Garcia Liebana <nevola@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Add support to pass through an offset to the hash value. With this
feature, the sysadmin is able to generate a hash with a given
started value.
Example:
meta mark set jhash ip saddr mod 2 seed 0xabcd offset 100
This option generates marks according to the source address from 100 to
101.
Signed-off-by: Laura Garcia Liebana <nevola@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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The _modulus_ attribute will be reused as _until_, as it's similar to
other expressions with value limits (ex. hash).
Renaming is possible according to the kernel module ntf_numgen that has
not been released yet.
Signed-off-by: Laura Garcia Liebana <nevola@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Sync this with the kernel header file we currently have in tree.
This patch addresses the compilation warning and breakage as result of
this header update, specifically the "attibute" typo in trace and
missing default case in expr/numgen.c.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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