iproute2/MAINTAINERS
Daniel Borkmann e4956e7f1f ip, link: Add support for netkit
Add base support for creating/dumping netkit devices.

Minimal example usage:

  # ip link add type netkit
  # ip -d a
  [...]
  7: nk0@nk1: <BROADCAST,MULTICAST,NOARP,M-DOWN> mtu 1500 qdisc noop state DOWN group default qlen 1000
    link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff promiscuity 0 allmulti 0 minmtu 68 maxmtu 65535
    netkit mode l3 type peer policy forward numtxqueues 1 numrxqueues 1 [...]
  8: nk1@nk0: <BROADCAST,MULTICAST,NOARP,M-DOWN> mtu 1500 qdisc noop state DOWN group default qlen 1000
    link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff promiscuity 0 allmulti 0 minmtu 68 maxmtu 65535
    netkit mode l3 type primary policy forward numtxqueues 1 numrxqueues 1 [...]

Example usage with netns (for BPF examples, see BPF selftests linked below):

  # ip netns add blue
  # ip link add nk0 type netkit peer nk1 netns blue
  # ip link set up nk0
  # ip addr add 10.0.0.1/24 dev nk0
  # ip -n blue link set up nk1
  # ip -n blue addr add 10.0.0.2/24 dev nk1
  # ping -c1 10.0.0.2
  PING 10.0.0.2 (10.0.0.2) 56(84) bytes of data.
  64 bytes from 10.0.0.2: icmp_seq=1 ttl=64 time=0.021 ms

Example usage with L2 mode and peer blackholing when no BPF is attached:

  # ip link add foo type netkit mode l2 forward peer blackhole bar
  # ip -d a
  [...]
  13: bar@foo: <BROADCAST,MULTICAST,M-DOWN> mtu 1500 qdisc noop state DOWN group default qlen 1000
     link/ether 5e:5b:81:17:02:27 brd ff:ff:ff:ff:ff:ff promiscuity 0 allmulti 0 minmtu 68 maxmtu 65535
     netkit mode l2 type peer policy blackhole numtxqueues 1 numrxqueues 1 [...]
  14: foo@bar: <BROADCAST,MULTICAST,M-DOWN> mtu 1500 qdisc noop state DOWN group default qlen 1000
     link/ether de:01:a5:88:9e:99 brd ff:ff:ff:ff:ff:ff promiscuity 0 allmulti 0 minmtu 68 maxmtu 65535
     netkit mode l2 type primary policy forward numtxqueues 1 numrxqueues 1 [...]

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://git.kernel.org/torvalds/c/35dfaad7188c
Link: https://git.kernel.org/torvalds/c/05c31b4ab205
Link: https://git.kernel.org/torvalds/c/ace15f91e569
Signed-off-by: David Ahern <dsahern@kernel.org>
2023-11-22 19:27:45 +00:00

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Iproute2 Maintainers
====================
The file provides a set of names that are are able to help
review patches and answer questions. This is in addition to
the netdev@vger.kernel.org mailing list used for all iproute2
and kernel networking.
Descriptions of section entries:
M: Maintainer's Full Name <address@domain>
T: Git tree location.
F: Files and directories with wildcard patterns.
A trailing slash includes all files and subdirectory files.
A wildcard includes all files but not subdirectories.
One pattern per line. Multiple F: lines acceptable.
Main Branch
M: Stephen Hemminger <stephen@networkplumber.org>
T: git://git.kernel.org/pub/scm/network/iproute2/iproute2.git
L: netdev@vger.kernel.org
Next Tree
M: David Ahern <dsahern@gmail.com>
T: git://git.kernel.org/pub/scm/network/iproute2/iproute2-next.git
L: netdev@vger.kernel.org
Ethernet Bridging - bridge
M: Roopa Prabhu <roopa@nvidia.com>
M: Nikolay Aleksandrov <razor@blackwall.org>
L: bridge@lists.linux-foundation.org (moderated for non-subscribers)
F: bridge/*
Data Center Bridging - dcb
M: Petr Machata <me@pmachata.org>
F: dcb/*
devlink
M: Jiri Pirko <jiri@resnulli.us>
F: devlink/*
netkit
M: Daniel Borkmann <daniel@iogearbox.net>
M: Nikolay Aleksandrov <razor@blackwall.org>
L: bpf@vger.kernel.org
F: ip/iplink_netkit.c
Remote DMA - rdma
M: Leon Romanovsky <leon@kernel.org>
F: rdma/*
Transparent Inter-Process Communication - tipc
M: Jon Maloy <jmaloy@redhat.com>
F: tipc/*
virtual Datapath Acceleration - vdpa
M: Parav Pandit <parav@nvidia.com>
F: vdpa/*