src-test2/sys/netgraph, branch release/11.4.0

MFC r357053 by markj: ng_nat: Pass IPv6 packets through.

2020-04-07T17:50:18Z

ng_nat implements NAT for IPv4 traffic only. When connected to an ng_ether node it erroneously handled IPv6 packets as well. This change is not sufficient: ng_nat does not do any validation of IP packets in this mode, even though they have not yet passed through ip_input(). PR: 243096 Reported by: Robert James Hernandez Reviewed by: julian Differential Revision: https://reviews.freebsd.org/D23080

MFC r342168,357786: Allow ng_nat to be attached to a ethernet interface

2020-04-07T16:47:35Z

Allow ng_nat to be attached to a ethernet interface directly via ng_ether(4) or the likes. Add new control message types: setdlt and getdlt to switch from default DLT_RAW (no encapsulation) to DLT_EN10MB (ethernet). Submitted by: sobomax Reviewed by: glebius Differential Revision: https://reviews.freebsd.org/D18535 Relnotes: yes

MFC r329873 (by emaste@):

2019-04-28T13:21:01Z

Correct pseudo misspelling in sys/ comments contrib code and #define in intel_ata.h unchanged.

MFC r340617,341006: unbreak ng_source(4) for 64-bit platforms

2019-01-14T09:57:36Z

MFC r340135: Make ng_pptpgre(8) netgraph node be able to restore order

2018-12-04T07:48:43Z

for packets reordered in transit instead of dropping them altogether. It uses sequence numbers of PPtPGRE packets. A set of new sysctl(8) added to control this ability or disable it: net.graph.pptpgre.reorder_max (1) defines maximum length of node's private reorder queue used to keep data waiting for late packets. Zero value disables reordering. Default value 1 allows the node to restore the order for two packets swapped in transit. Greater values allow the node to deliver packets being late after more packets in sequence at cost of increased kernel memory usage. net.graph.pptpgre.reorder_timeout (1) defines time value in miliseconds used to wait for late packets. It may be useful to increase this if reordering spot is distant.

MFC r338105: Remove extra M_ZERO from NG_MKRESPONSE() argument.

2018-08-27T03:42:19Z

NG_MKRESPONSE() sets M_ZERO by itself. Submitted by: Dmitry Luhtionov

MFC r303848

2018-05-14T22:56:41Z

Repair trivial panic in ng_uncallout. Fixes bugzilla #211031 PR: 211031 Approved by: re (gjb)

MFC r329279: add support for user-supplied Host-Uniq tag to ng_pppoe(4).

2018-03-16T15:04:13Z

Submitted by: ale Approved by: avg (mentor), mav (mentor) Relnotes: yes Differential Revision: https://reviews.freebsd.org/D9270

MFC r323873, r324081: Unprotected modification of ng_iface(4)

2017-10-01T19:39:27Z

private data leads to kernel panic. Fix a race with per-node read-mostly lock and refcounting for a hook. PR: 220076 Tested by: peixoto.cassiano Approved by: mav (mentor) Relnotes: yes Differential Revision: https://reviews.freebsd.org/D12435

MFC r312443:

2017-01-23T01:20:58Z

mppc - Finish pluging NETGRAPH_MPPC_COMPRESSION. There were several places where reference to compression were left unfinished. Furthermore, KASSERTs contained references to MPPC_INVALID which is not defined in the tree and therefore were sure to break with INVARIANTS: comment them out. Reported by: Eugene Grosbein PR: 216265