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History log of /src/sys/net/npf/npf_if.c
RevisionDateAuthorComments
 1.13  30-May-2020  rmind Major NPF improvements (merge from upstream):

- Switch to the C11-style atomic primitives using atomic_loadstore(9).

- npfkern: introduce the 'state.key.interface' and 'state.key.direction'
settings. Users can now choose whether the connection state should be
strictly per-interface or global at the configuration level. Keep NAT
logic to be always per-interface, though.

- npfkern: rewrite the G/C worker logic and make it self-tuning.

- npfkern and libnpf: multiple bug fixes; add param exporting; introduce
more parameters. Remove npf_nvlist_{copyin,copyout}() functions and
refactor npfctl_load_nvlist() with others; add npfctl_run_op() to have
a single entry point for operations. Introduce npf_flow_t and clean up
some code.

- npfctl: lots of fixes for the 'npfctl show' logic; make 'npfctl list'
more informative; misc usability improvements and more user-friendly
error messages.

- Amend and improve the manual pages.
 1.12  30-Sep-2019  rmind npf_ifmap_copylogname: be more defensive.
 1.11  29-Sep-2019  rmind NPF ifmap: rework and fix a few small bugs.
 1.10  11-Aug-2019  rmind Adjust some internal NPF APIs:
* npfkern: use the npfk_ prefix.
* NPF portmap: amend the API so it could be used elsewhere.
* Make npf_connkey_t public.
 1.9  29-Sep-2018  rmind branches: 1.9.4;
NPF: Major rework -- migrate NPF to the libnv library.
- This conversion significantly simplifies the code and moves NPF to
a binary serialisation format (replacing the XML-like format).
- Fix some memory/reference leaks and possibly use-after-free bugs.
- Bump NPF_VERSION as this change makes libnpf incompatible with the
previous versions. Also, different serialisation format means NPF
connection/config saving and loading is not compatible with the
previous versions either.

Thanks to christos@ for extra testing.
 1.8  18-Feb-2017  christos branches: 1.8.12; 1.8.14;
provide a copy function used for logging that does not lock, but can return
trash.
 1.7  26-Dec-2016  christos branches: 1.7.2;
Sync NPF with the version on github: backport standalone NPF changes,
which allow us to create and run separate NPF instances. Minor fixes.
(from rmind@)
 1.6  12-May-2016  ozaki-r branches: 1.6.2;
Protect ifnet list with psz and psref

The change ensures that ifnet objects in the ifnet list aren't freed during
list iterations by using pserialize(9) and psref(9).

Note that the change adds a pslist(9) for ifnet but doesn't remove the
original ifnet list (ifnet_list) to avoid breaking kvm(3) users. We
shouldn't use the original list in the kernel anymore.
 1.5  12-Jul-2015  rmind npfkern: eliminate INACTIVE_ID and use 0 for unregistered interfaces.
 1.4  10-Aug-2014  rmind branches: 1.4.2; 1.4.4; 1.4.6;
- Add npf_ruleset_export(), npf_rule_export() and npf_nat_policyexport().
- Split off npf_conn_export(). Add npf_ifmap_getname() and use it to save
the interface name; pick it up on npf_conn_import().
- Misc fixes. Bump NPF_VERSION.
 1.3  19-Jul-2014  rmind NPF: partially rewrite the connection tracking mechanism:
- Separate the tracking interface from the storage (state table)
and thus prepare to use a new data structure for the storage.
- Fix some race conditions in NAT association logic.
 1.2  11-Nov-2013  martin branches: 1.2.2; 1.2.4; 1.2.6;
Add missing [0] (check for unused entries) when matching interface
names.
 1.1  08-Nov-2013  rmind NPF: add support for specifying the interfaces before they are attached.
If an interface is or gets detached, all associated rules and connections
will be deactivated (it might be useful to have an option to invalidate
the associated connections). Once the interface is reattached they will
become active.

Bump NPF_VERSION.
 1.2.6.2  22-May-2014  yamt sync with head.

for a reference, the tree before this commit was tagged
as yamt-pagecache-tag8.

this commit was splitted into small chunks to avoid
a limitation of cvs. ("Protocol error: too many arguments")
 1.2.6.1  11-Nov-2013  yamt file npf_if.c was added on branch yamt-pagecache on 2014-05-22 11:41:09 +0000
 1.2.4.2  18-May-2014  rmind sync with head
 1.2.4.1  11-Nov-2013  rmind file npf_if.c was added on branch rmind-smpnet on 2014-05-18 17:46:13 +0000
 1.2.2.1  10-Aug-2014  tls Rebase.
 1.4.6.4  28-Aug-2017  skrll Sync with HEAD
 1.4.6.3  05-Feb-2017  skrll Sync with HEAD
 1.4.6.2  29-May-2016  skrll Sync with HEAD
 1.4.6.1  22-Sep-2015  skrll Sync with HEAD
 1.4.4.3  03-Dec-2017  jdolecek update from HEAD
 1.4.4.2  20-Aug-2014  tls Rebase to HEAD as of a few days ago.
 1.4.4.1  10-Aug-2014  tls file npf_if.c was added on branch tls-maxphys on 2014-08-20 00:04:35 +0000
 1.4.2.1  17-Jul-2015  snj Pull up following revision(s) (requested by rmind in ticket #880):
sys/net/npf/npf_if.c: revision 1.5
sys/net/npf/npf_mbuf.c: revision 1.14
usr.sbin/npf/npf.7: revision 1.3
usr.sbin/npf/npfctl/npf_var.c: revision 1.9
npfkern: eliminate INACTIVE_ID and use 0 for unregistered interfaces.
--
- npfvar_get_type1: check for NULL first.
- Minor fix for the npf(7) man page.
 1.6.2.2  20-Mar-2017  pgoyette Sync with HEAD
 1.6.2.1  07-Jan-2017  pgoyette Sync with HEAD. (Note that most of these changes are simply $NetBSD$
tag issues.)
 1.7.2.1  21-Apr-2017  bouyer Sync with HEAD
 1.8.14.2  13-Apr-2020  martin Mostly merge changes from HEAD upto 20200411
 1.8.14.1  10-Jun-2019  christos Sync with HEAD
 1.8.12.1  30-Sep-2018  pgoyette Ssync with HEAD
 1.9.4.3  20-Jun-2020  martin Pull up following revision(s) (requested by rmind in ticket #956):

usr.sbin/npf/npf-params.7: revision 1.4
sys/net/npf/npf_worker.c: revision 1.9
usr.sbin/npf/npftest/npftest.h: revision 1.17
usr.sbin/npf/npfctl/npf_bpf_comp.c: revision 1.16
usr.sbin/npf/npf-params.7: revision 1.5
sys/net/npf/npf_state_tcp.c: revision 1.21
usr.sbin/npf/npfctl/npf_build.c: revision 1.55
usr.sbin/npf/npf-params.7: revision 1.6
sys/net/npf/npfkern.h: revision 1.5
lib/libnpf/npf.c: revision 1.49
usr.sbin/npf/npf-params.7: revision 1.7
sys/net/npf/npf_impl.h: revision 1.81
sys/net/npf/npf_ext_log.c: revision 1.17
usr.sbin/npf/npfctl/npfctl.h: revision 1.53
usr.sbin/npf/npftest/libnpftest/npf_mbuf_subr.c: revision 1.11
sys/net/npf/npf_nat.c: revision 1.50
sys/net/npf/npf_mbuf.c: revision 1.24
sys/net/npf/npf_alg.c: revision 1.22
usr.sbin/npf/npftest/libnpftest/npf_nat_test.c: revision 1.14
usr.sbin/npf/npftest/libnpftest/npf_conn_test.c: file removal
usr.sbin/npf/npftest/libnpftest/npf_state_test.c: revision 1.10
sys/net/npf/npf.h: revision 1.63
usr.sbin/npf/npftest/libnpftest/npf_test.h: revision 1.21
usr.sbin/npf/npfctl/npf_var.c: revision 1.13
sys/net/npf/files.npf: revision 1.23
usr.sbin/npf/npfctl/npf_show.c: revision 1.32
usr.sbin/npf/npfctl/npf.conf.5: revision 1.91
sys/net/npf/npf_os.c: revision 1.18
sys/net/npf/npf_connkey.c: revision 1.2
sys/net/npf/npf_conf.c: revision 1.17
lib/libnpf/libnpf.3: revision 1.12
usr.sbin/npf/npftest/npftest.c: revision 1.25
usr.sbin/npf/npftest/libnpftest/npf_gc_test.c: revision 1.1
usr.sbin/npf/npfctl/npf_parse.y: revision 1.51
sys/net/npf/npf_tableset.c: revision 1.35
usr.sbin/npf/npftest/npftest.conf: revision 1.9
sys/net/npf/npf_sendpkt.c: revision 1.22
usr.sbin/npf/npfctl/npf_var.h: revision 1.10
sys/net/npf/npf_state.c: revision 1.23
sys/net/npf/npf_conn.h: revision 1.20
usr.sbin/npf/npfctl/npfctl.c: revision 1.64
usr.sbin/npf/npfctl/npf_cmd.c: revision 1.1
sys/net/npf/npf_portmap.c: revision 1.5
sys/net/npf/npf_params.c: revision 1.3
usr.sbin/npf/npfctl/npf_scan.l: revision 1.32
tests/net/npf/t_npf.sh: revision 1.4
sys/net/npf/npf_ext_rndblock.c: revision 1.9
lib/libnpf/npf.h: revision 1.39
sys/net/npf/npf_ruleset.c: revision 1.51
sys/net/npf/npf_alg_icmp.c: revision 1.33
sys/net/npf/npf.c: revision 1.43
usr.sbin/npf/npftest/libnpftest/npf_test_subr.c: revision 1.17
usr.sbin/npf/npfctl/npfctl.8: revision 1.25
sys/net/npf/npf_ctl.c: revision 1.60
usr.sbin/npf/npftest/libnpftest/npf_test_subr.c: revision 1.18
usr.sbin/npf/npftest/libnpftest/Makefile: revision 1.11
sys/net/npf/npf_handler.c: revision 1.49
sys/net/npf/npf_inet.c: revision 1.57
sys/net/npf/npf_ifaddr.c: revision 1.7
sys/net/npf/npf_conndb.c: revision 1.9
sys/net/npf/npf_if.c: revision 1.13
usr.sbin/npf/npfctl/Makefile: revision 1.15
sys/net/npf/npf_conn.c: revision 1.32
sys/net/npf/npf_ext_normalize.c: revision 1.10
sys/net/npf/npf_rproc.c: revision 1.20
sys/net/npf/npf_worker.c: revision 1.8

Major NPF improvements (merge from upstream):
- Switch to the C11-style atomic primitives using atomic_loadstore(9).
- npfkern: introduce the 'state.key.interface' and 'state.key.direction'
settings. Users can now choose whether the connection state should be
strictly per-interface or global at the configuration level. Keep NAT
logic to be always per-interface, though.
- npfkern: rewrite the G/C worker logic and make it self-tuning.
- npfkern and libnpf: multiple bug fixes; add param exporting; introduce
more parameters. Remove npf_nvlist_{copyin,copyout}() functions and
refactor npfctl_load_nvlist() with others; add npfctl_run_op() to have
a single entry point for operations. Introduce npf_flow_t and clean up
some code.
- npfctl: lots of fixes for the 'npfctl show' logic; make 'npfctl list'
more informative; misc usability improvements and more user-friendly
error messages.
- Amend and improve the manual pages.

npf_worker_sys{init,fini}: initialize/destroy the exit_cv condvar.

npftest -- npf_test_init(): add a workaround for NetBSD.

npf-params(7): fix the state.key defaults.

npf-params.7: s/filer/filter/

Adjust to "npfctl debug" command line changes, from rmind@.

Use more markup.
 1.9.4.2  04-Oct-2019  martin Pull up following revision(s) (requested by rmind in ticket #282):

usr.sbin/npf/npfctl/npf_build.c: revision 1.53
lib/libnpf/npf.c: revision 1.48
usr.sbin/npf/npfctl/npfctl.h: revision 1.50
sys/net/npf/npf_impl.h: revision 1.80
usr.sbin/npf/npfctl/npfctl.h: revision 1.51
sys/net/npf/npf_ruleset.c: revision 1.49
usr.sbin/npf/npfctl/npf.conf.5: revision 1.90
sys/net/npf/npf_ctl.c: revision 1.59
lib/libnpf/libnpf.3: revision 1.11
usr.sbin/npf/npfctl/npf_parse.y: revision 1.50
usr.sbin/npf/npftest/npftest.conf: revision 1.8
usr.sbin/npf/npfctl/npfctl.c: revision 1.62
usr.sbin/npf/npfctl/npfctl.c: revision 1.63
usr.sbin/npf/npfctl/npf_scan.l: revision 1.30
usr.sbin/npf/npfctl/npfctl.8: revision 1.22
lib/libnpf/npf.h: revision 1.38
usr.sbin/npf/npfctl/npfctl.8: revision 1.23
usr.sbin/npf/npfctl/npfctl.8: revision 1.24
sys/net/npf/npf_if.c: revision 1.11
sys/net/npf/npf_if.c: revision 1.12
usr.sbin/npf/npfctl/npf.conf.5: revision 1.89
sys/net/npf/npf_conn.c: revision 1.30
usr.sbin/npf/npfctl/npf_build.c: revision 1.52

npfctl: implement table replace subcommand.
Contributed by Timshel Knoll-Miller.

NPF ifmap: rework and fix a few small bugs.

npfctl: implement table replace subcommand.
Contributed by Timshel Knoll-Miller.
(missed a file in previous commit; cvs is so helpful..)

libnpf/npfctl: support dynamic NAT rulesets using a name prefix.

Use -width Pa for FILES.

Fix pasto in table replace -t type

Use -width Pa for FILES.

npf_ifmap_copylogname: be more defensive.
 1.9.4.1  13-Aug-2019  martin Pull up following revision(s) (requested by rmind in ticket #49):

usr.sbin/npf/npf.7: revision 1.7
sys/net/npf/npfkern.h: revision 1.4
sys/net/npf/npf_conn.h: revision 1.18
usr.sbin/npf/npftest/libnpftest/npf_nat_test.c: revision 1.13
sys/net/npf/npf_ctl.c: revision 1.55
sys/net/npf/npf_os.c: revision 1.14
sys/net/npf/npf_conf.c: revision 1.14
usr.sbin/npf/npftest/libnpftest/npf_conn_test.c: revision 1.3
usr.sbin/npf/npftest/libnpftest/npf_perf_test.c: revision 1.9
sys/net/npf/npf_impl.h: revision 1.76
sys/net/npf/npf_portmap.c: revision 1.4
sys/net/npf/npf_params.c: revision 1.2
sys/net/npf/npf.c: revision 1.40
usr.sbin/npf/npftest/libnpftest/npf_test_subr.c: revision 1.16
usr.sbin/npf/npftest/libnpftest/npf_rule_test.c: revision 1.18
sys/net/npf/npf_nat.c: revision 1.47
sys/net/npf/npf_handler.c: revision 1.47
sys/net/npf/npf_inet.c: revision 1.55
sys/net/npf/npf_if.c: revision 1.10
sys/net/npf/npf_worker.c: revision 1.7
usr.sbin/npf/npf-params.7: revision 1.3

npf-params(7): add more bpf.jit details.
From David H. Gutteridge.

Adjust some internal NPF APIs:
* npfkern: use the npfk_ prefix.
* NPF portmap: amend the API so it could be used elsewhere.
* Make npf_connkey_t public.

npf.7: add xref to npf-params.7
(Adding directly here since this particular file isn't included in
rmind@'s upstream GitHub repo at present.)

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