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Commit Graph

190 Commits

Author SHA1 Message Date
Yu Watanabe
eb4705fb36 network: add MACsec*Association.KeyFile= setting 2019-04-12 10:12:42 +09:00
Susant Sahani
81962db798 network: Introduce MACsec
Media Access Control Security (MACsec) is an 802.1AE IEEE
industry-standard security technology that provides secure
communication for all traffic on Ethernet links.
MACsec provides point-to-point security on Ethernet links between
directly connected nodes and is capable of identifying and preventing
most security threats, including denial of service, intrusion,
man-in-the-middle, masquerading, passive wiretapping, and playback attacks.

Closes #5754
2019-04-12 10:12:41 +09:00
Yu Watanabe
a3945c6361 network: add WireGuardPeer.PresharedKeyFile= setting 2019-04-09 15:50:22 +09:00
Yu Watanabe
cb31e7c861 network: make reading PrivateKeyFile= failure always fatal
This also refactor wireguard_read_key_file().
2019-04-09 15:50:22 +09:00
Yu Watanabe
0b145817ff man: update FooOverUDP= 2019-04-02 03:29:46 +09:00
Yu Watanabe
c65c01c41a man: update Tunnel.Key= and friends 2019-03-30 21:17:48 +09:00
Yu Watanabe
3f4c9bc04c
Merge pull request #12066 from yuwata/fix-network-tunnel-12041
network: fix netdev_tunnel_verify()
2019-03-22 05:57:38 +09:00
Yu Watanabe
8643885f58 man: mention that Tunnel.Local= and Tunnel.Remote= can take 'any' 2019-03-22 03:31:55 +09:00
Yu Watanabe
d653a35919 man: do not wrap line in the table 2019-03-22 03:31:55 +09:00
Yu Watanabe
d689bbcaa3 man: mention that conditions in [Match] section support negation 2019-03-21 23:38:51 +09:00
Zbigniew Jędrzejewski-Szmek
3a54a15760 man: use same header for all files
The "include" files had type "book" for some raeason. I don't think this
is meaningful. Let's just use the same everywhere.

$ perl -i -0pe 's^..DOCTYPE (book|refentry) PUBLIC "-//OASIS//DTD DocBook XML V4.[25]//EN"\s+"http^<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"\n  "http^gms' man/*.xml
2019-03-14 14:42:05 +01:00
Zbigniew Jędrzejewski-Szmek
0307f79171 man: standarize on one-line license header
No need to waste space, and uniformity is good.

$ perl -i -0pe 's|\n+<!--\s*SPDX-License-Identifier: LGPL-2.1..\s*-->|\n<!-- SPDX-License-Identifier: LGPL-2.1+ -->|gms' man/*.xml
2019-03-14 14:29:37 +01:00
Yu Watanabe
d053d08a37 network: automatically pick an address on link when L2TP.Local= is not specified
This makes L2TP.Local= support an empty string, 'auto', 'static', and
'dynamic'. When one of the values are specified, a local address is
automatically picked from the local interface of the tunnel.
2019-03-14 10:57:41 +09:00
Susant Sahani
3a56e697c8 networkd: Introduce l2tp tunnel
This works allows networkd to configure l2tp tunnel.
See http://man7.org/linux/man-pages/man8/ip-l2tp.8.html
2019-03-14 10:57:41 +09:00
Yu Watanabe
76df77794a wireguard: add PrivateKeyFile= option
Closes #11878.
2019-03-13 12:02:03 +09:00
Lennart Poettering
8e6b3f49fe
Merge pull request #11636 from yuwata/network-in-addr-is-null
network, sd-netlink: unify several functions and fixes coding style
2019-02-15 11:40:34 +01:00
Zbigniew Jędrzejewski-Szmek
6f520e7437 man: fix markup and grammar for FOU{Source,Destination}Port= 2019-02-13 11:17:41 +01:00
Yu Watanabe
af555aa33e man: add missing netdev kind in Tunnel section 2019-02-11 01:29:56 +09:00
Yu Watanabe
a61b550c50 man: mention vlan devices inherit the MAC address of the physical interface
Follow-up for bc48c51f72.

Closes #4783.

[zj: tweak grammar a bit.]
2019-02-09 17:41:07 +01:00
Susant Sahani
fde60a424e netdev bond: add support to configure tlb_dynamic_lb
Closes https://github.com/systemd/systemd/issues/11135

Add test for bond : tlb_dynamic_lb
2018-12-15 18:15:16 +05:30
Susant Sahani
918049ad53 networkd: Add support to configure ISATAP tunnel
Let's just reuse the code of sit tunnel to create a ISATAP tunnel.
Matter of turning a flag

Please see https://elixir.bootlin.com/linux/v4.19.6/source/net/ipv6/sit.c#L208
2018-12-03 09:15:24 +05:30
Yu Watanabe
9b6ffef372 man: update explanation for boolean options 2018-11-27 15:07:58 +09:00
Yu Watanabe
025314d97d man: improve the explanation of "Defaults to unset" 2018-11-27 14:40:25 +09:00
Susant Sahani
2266864b04 networkd: Add support for ERSPAN tunnel
Please see: https://patchwork.ozlabs.org/patch/800327/
```
[NetDev]
Name=erspan-test
Kind=erspan

[Tunnel]
Independent=true
ERSPANIndex=123
Local = 172.16.1.200
Remote = 172.16.1.100
Key=101
SerializeTunneledPackets=true
```
2018-11-27 11:04:42 +09:00
David Anderson
d067cab35c networkd: support 6rd tunnel netdev setup. 2018-11-09 17:56:33 -08:00
Tobias Jungel
db688b7e55 networkd: cleanup for #10542
fixes: 53b1f7d
2018-11-06 16:42:12 +03:00
Yu Watanabe
a6306c3176 man: drop duplicated line in systemd.netdev(5) 2018-11-04 00:31:46 +09:00
Tobias Jungel
99f68ef02d networkd: add missing bonding options (#10542)
Add support for bonding options system prio, port key and actor system mac.

These options exist in the linux kernel since 4.2
(torvalds/linux@171a42c38c)

Details:
https://www.kernel.org/doc/Documentation/networking/bonding.txt
2018-11-02 10:31:20 +09:00
Lennart Poettering
964c4eda5b man: also use "yes"/"no" rather than "true"/"false" in man pages
We usually use yes/no in all our unit files, do the same in the man
pages.

Triggered by:

https://github.com/systemd/systemd/pull/9824#issuecomment-420729987
2018-10-13 12:59:29 +02:00
Susant Sahani
53cb501a13 networkd and sd-netlink: add support for Generic netlink And FooOverUDP to IPIP tunnel
This work add support to generic netlink to sd-netlink.
See https://lwn.net/Articles/208755/

networkd: add support FooOverUDP support to IPIP tunnel netdev
https://lwn.net/Articles/614348/

Example conf:

/lib/systemd/network/1-fou-tunnel.netdev
```
[NetDev]
Name=fou-tun
Kind=fou

[FooOverUDP]
Port=5555
Protocol=4

```

/lib/systemd/network/ipip-tunnel.netdev
```
[NetDev]
Name=ipip-tun
Kind=ipip

[Tunnel]
Independent=true
Local=10.65.208.212
Remote=10.65.208.211
FooOverUDP=true
FOUDestinationPort=5555
```

$ ip -d link show ipip-tun
```
5: ipip-tun@NONE: <POINTOPOINT,NOARP> mtu 1472 qdisc noop state DOWN mode DEFAULT group default qlen 1000
    link/ipip 10.65.208.212 peer 10.65.208.211 promiscuity 0
    ipip remote 10.65.208.211 local 10.65.208.212 ttl inherit pmtudisc encap fou encap-sport auto encap-dport 5555 noencap-csum noencap-csum6 noencap-remcsum numtxqueues 1 numrxqueues 1 gso_max_size 65536 gso_max_segs 65535
```
2018-08-23 11:30:37 +02:00
Yu Watanabe
bd277f53e8 man: fix group name for systemd-networkd 2018-07-17 03:12:19 +09:00
Yu Watanabe
48847676ca man: add comments about MTUBytes= and MACAddress= for tuntap devices
Closes #9407.
2018-06-25 18:54:38 +02:00
Zbigniew Jędrzejewski-Szmek
d9b02e1697 tree-wide: drop copyright headers from frequent contributors
Fixes #9320.

for p in Shapovalov Chevalier Rozhkov Sievers Mack Herrmann Schmidt Rudenberg Sahani Landden Andersen Watanabe; do
  git grep -e 'Copyright.*'$p -l|xargs perl -i -0pe 's|/([*][*])?[*]\s+([*#]\s+)?Copyright[^\n]*'$p'[^\n]*\s*[*]([*][*])?/\n*|\n|gms; s|\s+([*#]\s+)?Copyright[^\n]*'$p'[^\n]*\n*|\n|gms'
done
2018-06-20 11:58:53 +02:00
Zbigniew Jędrzejewski-Szmek
fdbbee37d5 man: drop unused <authorgroup> tags from man sources
Docbook styles required those to be present, even though the templates that we
use did not show those names anywhere. But something changed semi-recently (I
would suspect docbook templates, but there was only a minor version bump in
recent years, and the changelog does not suggest anything related), and builds
now work without those entries. Let's drop this dead weight.

Tested with F26-F29, debian unstable.

$ perl -i -0pe 's/\s*<authorgroup>.*<.authorgroup>//gms' man/*xml
2018-06-14 12:22:18 +02:00
Lennart Poettering
96b2fb93c5 tree-wide: beautify remaining copyright statements
Let's unify an beautify our remaining copyright statements, with a
unicode ©. This means our copyright statements are now always formatted
the same way. Yay.
2018-06-14 10:20:21 +02:00
Lennart Poettering
818bf54632 tree-wide: drop 'This file is part of systemd' blurb
This part of the copyright blurb stems from the GPL use recommendations:

https://www.gnu.org/licenses/gpl-howto.en.html

The concept appears to originate in times where version control was per
file, instead of per tree, and was a way to glue the files together.
Ultimately, we nowadays don't live in that world anymore, and this
information is entirely useless anyway, as people are very welcome to
copy these files into any projects they like, and they shouldn't have to
change bits that are part of our copyright header for that.

hence, let's just get rid of this old cruft, and shorten our codebase a
bit.
2018-06-14 10:20:20 +02:00
Susant Sahani
56e7fb5088 networkd: introduce netdev "Netdevsim" Driver
This "netdevsim" as implied by the name is a tool for network developers and is a simulator.
This simulated networking device is used for testing various networking APIs and at this time
is particularly focused on testing hardware offloading related interfaces.
2018-06-03 08:16:11 +05:30
Zbigniew Jędrzejewski-Szmek
11a1589223 tree-wide: drop license boilerplate
Files which are installed as-is (any .service and other unit files, .conf
files, .policy files, etc), are left as is. My assumption is that SPDX
identifiers are not yet that well known, so it's better to retain the
extended header to avoid any doubt.

I also kept any copyright lines. We can probably remove them, but it'd nice to
obtain explicit acks from all involved authors before doing that.
2018-04-06 18:58:55 +02:00
Susant Sahani
bf443be995 networkd: vxlan require Remote= to be a non multicast address (#8117)
Remote= must be a non multicast address. ip-link(8) says:
> remote IPADDR - specifies the unicast destination IP address to
>                      use in outgoing packets when the destination link layer address
>                      is not known in the VXLAN device forwarding database.

Closes #8088.
2018-02-08 10:22:46 +01:00
Jason A. Donenfeld
a8d6dbedca man: note handling of secret information with permissions
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-01-29 20:43:30 +01:00
Jason A. Donenfeld
3209474fcb man: WireGuard is a proper noun
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-01-29 20:38:36 +01:00
Jörg Thalheim
e5719363f5 networkd: add support for wireguard interface type
More information may be found at wireguard.com.
2018-01-09 14:00:49 +01:00
Susant Sahani
3a4f3e423d networkd: Tunnel allows tunnel traffic on ip6tnl devices (#7756)
where the remote endpoint is a local host address.
2017-12-29 23:19:21 +09:00
Lennart Poettering
5022f08a23 core,udev,networkd: add ConditionKernelVersion=
This adds a simple condition/assert/match to the service manager, to
udev's .link handling and to networkd, for matching the kernel version
string.

In this version we only do fnmatch() based globbing, but we might want
to extend that to version comparisons later on, if we like, by slightly
extending the syntax with ">=", "<=", ">", "<" and "==" expressions.
2017-12-26 17:39:44 +01:00
Susant Sahani
d384826f69 networkd: Add support for ipvlan L3s and flags (#7726)
This works supports to configure L3S mode and flags
such as bridge, private and vepa
2017-12-23 18:55:03 +01:00
Susant Sahani
d6df583c87 networkd: introduce vxcan netdev. (#7150)
Similar to the virtual ethernet driver veth, vxcan implements a
local CAN traffic tunnel between two virtual CAN network devices.
When creating a vxcan, two vxcan devices are created as pair
When one end receives the packet it appears on its pair and vice
versa. The vxcan can be used for cross namespace communication.
2017-11-22 08:23:22 +01:00
Zbigniew Jędrzejewski-Szmek
572eb058cf Add SPDX license identifiers to man pages 2017-11-19 19:08:15 +01:00
b1tninja
c4819961b1 Allow configuration of a bridge netdev's group_fwd_mask. (#6759) 2017-09-08 12:36:06 +02:00
Susant Sahani
4d7fa6de3b networkd: Allow tunnels to be created without .network (#6701)
Now we don't support tunnels to be created without a .network file
that is we need a interface index.

This work allows tunnel to be created without a ifindex.

Closes #6695
2017-08-31 18:51:03 +02:00
Andreas Rammhold
362f6336df networkd: Updated documentation to refer to new Table= parameter 2017-08-31 01:44:29 +02:00
Susant Sahani
dd5f3175b7 Networkd Bond DOC: Move ActiveSlave and PrimarySlave to [Network] (#6610)
Fixes #6545
2017-08-26 22:37:46 +09:00
Jakub Wilk
785889e56d man: fix typos (#6532) 2017-08-03 17:36:21 -04:00
Tobias Jungel
0d6c68eba3 network: bridge vlan without PVID (#5899)
this patch makes it possible to configure a vlan aware bridge without the
PVID. To configure no PVID set DefaultPVID=none in the [BridgeVLAN] section.

fixes #5716
2017-05-29 17:20:01 +02:00
Susant Sahani
6c1ff21b00 network: add support for vlan confs(MVRP, reorder header, loose binding) (#5834) 2017-05-09 20:25:11 +02:00
Susant Sahani
9861673574 conf parser: add config_parse_ip_port 2017-04-29 23:34:17 +05:30
Susant Sahani
6598e04641 networkd: Introduce GENEVE netdev
This work enables cration of geneve tunnel
2017-04-25 10:34:15 +05:30
Susant Sahani
c8b2118405 networkd: vlan add GVRP support (#5761)
Add support to configure GVRP.

Closes #5760
2017-04-21 11:01:59 +02:00
Susant Sahani
d8653945f7 networkd: vxlan support setting IPv6 flow labe
This work adds support for setting the IPv6 flow label for vxlan.

vxlan.netdev

NetDev]
Description=vxlan-test
Name=vxlan1
Kind=vxlan

[VXLAN]
Id=33
Local=2405:204:920b:29ac:7e7a:91ff:fe6d:ffe2
Remote=FF02:0:0:0:0:0:1:9
FlowLabel=104
ip -d link show vxlan1

8: vxlan1: <BROADCAST,MULTICAST> mtu 1430 qdisc noop state DOWN mode DEFAULT group default qlen 1000
    link/ether be:83:aa:db:6b:cb brd ff:ff:ff:ff:ff:ff promiscuity 0
    vxlan id 33 group ff02::1:9 local 2405:204:920b:29ac:7e7a:91ff:fe6d:ffe2 dev enp0s25 srcport 0 0 dstport 8472 flowlabel 0x68 ageing 300 noudpcsum noudp6zerocsumtx noudp6zerocsumrx addrgenmode eui64 numtxqueues 1 numrxqueues 1
2017-03-14 10:11:49 +05:30
Susant Sahani
d35e5d3763 networkd: add support for vxlan Remote and Local.
This patch add supports to configure IFLA_VXLAN_LOCAL
and IFLA_VXLAN_GROUP.

The "Group" is renamed to "Remote" which is a multicast address.`

```
Description=vxlan-test
Name=vxlan1
Kind=vxlan

[VXLAN]
Id=33
Local=2001:db8:2f4:4bff:fa71:1a56
Remote=FF02:0:0:0:0:0:1:9
```

output
```
ip -d link show vxlan1
16: vxlan1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1430 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000
    link/ether fe:b4:97:03:f8:e5 brd ff:ff:ff:ff:ff:ff promiscuity 0
    vxlan id 33 group ff02::1:9 local 2001:db8:02f4:4bff:fa71:1a56 dev enp0s3 srcport 0 0 dstport 8472 ageing 300 noudpcsum noudp6zerocsumtx noudp6zerocsumrx addrgenmode none numtxqueues 1 numrxqueues 1 gso_max_size 65536 gso_max_segs 65535

```
2017-02-25 00:31:47 +05:30
Susant Sahani
42125eda21 networkd: Add example to create MACVTAP and attach it to a link (#4946)
Fixes: #4914
2016-12-23 18:09:29 +01:00
Susant Sahani
eb64b435eb networkd: bond support primary slave and active slave (#4873)
active_slave:

Specifies the new active slave for modes that support it
(active-backup, balance-alb and balance-tlb).

primary slave:
systemd-networks currently lacks the capability to set the primary slave
in an
active-backup bonding. This is necessary if you prefer one interface
over the
other. A common example is a eth0-wlan0 bonding on a laptop where you'd
want to
switch to the wired connection whenever it's available.

Fixes: #2837
2016-12-21 19:10:36 +01:00
Susant Sahani
7dd6974c46 networkd: vxlan rename ARPProxy to ReduceARPProxy (#4891)
Fixes: #4768
2016-12-21 18:59:15 +01:00
Susant Sahani
7e3f4e7f3d networkd: VXLAN add better explanation for ARPProxy (#4781)
This closes #4768
2016-12-02 00:05:10 +01:00
Susant Sahani
53c06862c1 networkd: rename Rename CheckSum → Checksum (#4312) 2016-10-10 19:52:12 +02:00
Susant Sahani
1644102735 networkd: remote checksum offload for vxlan (#4110)
This patch adds support to remote checksum checksum offload to VXLAN.
This patch adds RemoteCheckSumTx and RemoteCheckSumRx vxlan configuration
to enable remote checksum offload for transmit and receive on the VXLAN tunnel.
2016-10-07 09:46:18 -04:00
Zbigniew Jędrzejewski-Szmek
ba9fa3bc48 man: fix indentation in table
<entry>-ies must be a single line of text. Otherwise docbook does strange
things to the indentation.
2016-10-03 07:36:59 -04:00
Torstein Husebø
d23a0044a3 treewide: fix typos (#4217) 2016-09-26 11:32:47 +02:00
Martin Pitt
6ac288a990 Merge pull request #4123 from keszybz/network-file-dropins
Network file dropins
2016-09-17 10:00:19 +02:00
Zbigniew Jędrzejewski-Szmek
bac150e9d1 man: mention that netdev,network files support dropins
Also update the description of drop-ins in systemd.unit(5) to say that .d
directories, not .conf files, are in /etc/system/system, /run/systemd/system,
etc.
2016-09-16 10:32:03 -04:00
Susant Sahani
92c918b06d networkd: add support to configure virtual CAN device (#4139)
1. add support for kind vcan
2. fixup indention netlink-types.c, networkd-netdev.c
2016-09-14 18:15:16 +02:00
Tobias Jungel
c7440e7401 networkd: add options to bridge (#4051)
This patch allows to configure AgeingTimeSec, Priority and DefaultPVID for
bridge interfaces.
2016-08-31 20:06:23 +02:00
Susant Sahani
b760a9af90 networkd: add support to set STP (#3903)
fixes #3881
2016-08-06 01:44:57 +02:00
Zbigniew Jędrzejewski-Szmek
e306f2df03 man: replace dash with mdash where appropriate 2016-07-16 11:09:25 -04:00
Jakub Wilk
037a3ded54 man: fix indefinite articles (#3694) 2016-07-12 11:58:14 +02:00
Susant Sahani
4d89618a4e man: networkd bonding remove 802.3ad from transmit hash policy (#3666)
The xmit_hash_policy does not have 802.3ad value. Remove this
from man.
2016-07-05 22:42:03 -07:00
Torstein Husebø
6dd6a9c493 treewide: fix typos 2016-07-04 17:10:23 +02:00
Andreas Rammhold
20897a0d6e networkd: added support for vrf interfaces (#3316) 2016-06-16 00:25:06 +02:00
Susant Sahani
1d7100298c networkd: Tunnel add support to configure key for VTI/VTI6 (#3532)
fixes #3298
2016-06-14 19:11:57 +02:00
Tobias Jungel
c6f8d17de0 networkd: bridge add support to configure VLAN filtering (#3344)
This patch implements support for IFLA_BR_VLAN_FILTERING configuration.
2016-05-30 17:00:16 +02:00
Susant Sahani
6df6d89879 networkd: bridge add support to configure multicast snooping (#3223)
This patch implements support for the IFLA_BR_MCAST_SNOOPING attribute
it can change the multicast snooping value.

IGMP snooping monitors the Internet Group Management Protocol (IGMP)
traffic between hosts and multicast routers.
2016-05-15 09:15:20 -04:00
Susant Sahani
3fef7a3fcd networkd: allow setting of multicast querier for linux bridge (#3051) 2016-04-18 13:45:52 +02:00
Torstein Husebø
96d4901149 treewide: fix typos and then/that use 2016-02-24 11:56:11 +01:00
Susant Sahani
ea0288d17c networkd: VXLAN add support to configure port
This patch add support to configure port

PortRange:
VXLAN bases source UDP port based on flow to help the
receiver to be able to load balance based on outer header flow.

DestinatinPort:

Allow configuring the default destination port on a per-device basis.
2016-01-19 12:17:54 +05:30
Tom Gundersen
89c22dc342 Merge pull request #1629 from ssahani/vxlan
networkd: vxlan add option to set FDB entries
2015-11-09 23:36:59 +01:00
Jan Engelhardt
a8eaaee72a doc: correct orthography, word forms and missing/extraneous words 2015-11-06 13:45:21 +01:00
Jan Engelhardt
b938cb902c doc: correct punctuation and improve typography in documentation 2015-11-06 13:00:02 +01:00
Susant Sahani
3d276dd2c0 man: add man for vxlan onfigures max number of FDB entries 2015-11-03 09:28:03 +05:30
Daniel Mack
6c8fe33031 Merge pull request #1452 from poettering/journal-vacuum
A variety of journal vacuuming improvements, plus an nspawn fix
2015-10-06 11:02:04 +02:00
Susant Sahani
3428fe07f0 man: add man for bridge params 2015-10-05 09:43:29 +05:30
Lennart Poettering
6c1695be47 man: include numeric prefixes in example file names for .link, .netdev, .network files
In order to avoid confusion with the default files we ship, let's use a
low prefix number for all examples.

Fixes #1409.
2015-10-03 11:55:53 +02:00
Susant Sahani
dae398a8c2 man: add man for tunnel encap limit 2015-08-31 13:22:15 +05:30
Major Hayden
d94facdcaa Adding bonding examples for systemd-networkd
This commit provides some basic bonding configuration examples for .netdev and .network files.
2015-08-20 22:14:49 -05:00
Susant Sahani
8b414e52d1 man: add man for VXLAN Group Policy option 2015-07-29 14:06:46 +05:30
Tom Gundersen
a494468652 Merge pull request #732 from ssahani/macvtap
networkd: add support for Macvtap
2015-07-28 19:44:02 +02:00
Lennart Poettering
2aba142edd networkd: capitalize VNetHeader= as VnetHeader=
Even when we use shortened, combined words, we still should uppercase
where a new word starts. I couldn't find a canonically capitalized
version of this term, hence I think we should follow our naming rules
here.
2015-07-27 20:24:31 +02:00
Susant Sahani
0371f2df67 man: netdev add man for macvtap 2015-07-27 11:19:08 +05:30
Tom Gundersen
eeb4b73b6a Merge pull request #727 from phomes/master
man: typo fixes
2015-07-25 23:27:44 +02:00
Thomas Hindoe Paaboel Andersen
dd2b607b7d man: typo fixes 2015-07-25 23:15:51 +02:00
Zbigniew Jędrzejewski-Szmek
57e27ec0ad man: describe masking of .network files better
This should clear up some confusion in
https://github.com/systemd/systemd/issues/717.

This basically copies the description from systemd.unit to this
man page. Masking can happen also in /run, so strike the part
about /etc, and also add the magic work "mask".
2015-07-25 13:08:21 -04:00
Zbigniew Jędrzejewski-Szmek
a9b70f9dfd network: rename DiffServiceCodePoint to CopyDSCP
Old name was slightly misleading, because this flag does not determine
whether DSCP is used overall, but only if it is copied to the
decapsulated packet. Rename to better reflect that.

"Copy" does not imply direction. This is on purpose, because we might
later on enhance the setting to allow/disallow copying in the other
direction, to the encapsulated packet. If that is implemented,
CopyDSCP could understand additional values. This is nicer than
having two separate settings and follows the example of DHCP=.

Also, we try to avoid abbreviations, but we allow acronyms
like MTU, in DiscoverPathMTU=.

This setting was recently added, so it's fine to rename it without
backwards compat.
2015-07-24 23:44:34 -04:00