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Commit Graph

152 Commits

Author SHA1 Message Date
Yu Watanabe
d474aa51bf network: tc: introduce Enhanced Transmission Selection (ETS)
Closes #15264.
2020-06-19 01:07:45 +09:00
Lennart Poettering
2a71d57f4e network: clean-up DHCP lease server data configuration
This is an attempt to clean up the POP3/SMTP/LPR/… DHCP lease server
data logic in networkd. This reduces code duplication and fixes a number
of bugs.

This removes any support for collecting POP3/SMPT/LPR servers acquired
via local DHCP client releases since noone uses that, and given how old
these protocols are I doubt this will change. It keeps support for
configuring them for the dhcp server however.

The differences between the DNS/NTP/SIP/POP3/SMTP/LPR configuration
logics are minimized.

This removes the relevant symbols from sd-network.h (which is an
internal API only at this point after all).

This is unfortunately not well test, given the old code for this had
barely any tests. But the new code should not perform worse at least,
and allow us to release, since it corrects some interfaces visible in
the .network configuration format.

Fixes: #15943
2020-06-18 13:08:18 +09:00
Susant Sahani
120b5c0bbe network: DHCPv6 - Add support to set token on the LAN interface
This patch adds support to set a token on the LAN interface for
the acquired delegated prefixes for the DHCPv6 to generate address.
2020-06-17 14:20:48 +09:00
Yu Watanabe
94d76d071e network: introduce IPv4AcceptLocal= setting
Closes #16090.
2020-06-08 13:48:17 +09:00
Yu Watanabe
4d7ddaf97b network: tc: introduce [QuickFairQueueingClass] section 2020-06-03 17:25:44 +09:00
Susant Sahani
b12aaee5ab network: tc: introduce Quick Fair Queueing (QFQ) 2020-06-03 14:17:51 +09:00
Yu Watanabe
1bf1bfd958 network: add DHCPv6.RouteMetric=
Hopefully fixes #15295.
2020-06-02 15:16:51 +09:00
Yu Watanabe
f3e4b1e07c
Merge pull request #15884 from ssahani/dhcpv6-vendor
DHCPv6: Introduce vendor specific
2020-06-01 12:25:54 +09:00
Yu Watanabe
433e14fda7 network: fix memleaks
Fixes #15951.
2020-05-29 14:49:40 +02:00
Susant Sahani
b4ccc5de7d network: Inroduce DHCP6- send vendor options
network: Inroduce DHCP6- send vendor options

```
 0                   1                   2                   3
       0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
      |      OPTION_VENDOR_OPTS       |           option-len          |
      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
      |                       enterprise-number                       |
      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
      .                                                               .
      .                       vendor-option-data                      .
      .                                                               .
      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
```

```
  0                   1                   2                   3
       0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
      |          sub-opt-code         |         sub-option-len        |
      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
      .                                                               .
      .                        sub-option-data                        .
      .                                                               .
      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

                 Figure 31: Vendor-specific Options Format

      sub-opt-code         The code for the sub-option.  A 2-octet
                           field.

      sub-option-len       An unsigned integer giving the length of the
                           sub-option-data field in this sub-option in
                           octets.  A 2-octet field.

      sub-option-data      The data area for the sub-option.  The
                           length, in octets, is specified by
                           sub-option-len.

```
2020-05-29 13:37:57 +02:00
Susant Sahani
9efa8a3cff network: DHCPv6 Assign delegated prefix to LAN interface
In DHCPv6-PD environment, where WAN interface requests IPv6 via DHCPv6,
receives the address as well as delegated prefixes, with LAN interfaces
serving those delegated prefixes in their router advertisement messages.
The LAN interfaces on the router themselves do not have
the IPv6 addresses assigned by networkd from the prefix it
serves on that interface. Now this patch enables it.
2020-05-29 16:20:37 +09:00
Lennart Poettering
bb2294e454
Merge pull request #15669 from andir/systemd-ipv6-pd-subnet-id
networkd: subnet id support for ipv6 prefix delegation
2020-05-27 18:47:26 +02:00
Andreas Rammhold
02e9e34bd9
networkd: Add support for setting a preferred subnet id for IPv6 PD leases
This allows users to configure a subnet id that should be used instead
of automatically (sequentially) assigned subnets. The previous attempt
had the downside that the subnet id would not be the same between
networkd restarts. In some setups it is desirable to have predictable
subnet ids across restarts of services and systems.

The code for the assignment had to be broken up into two pieces. One of
them is the old (sequential) assignment of prefixes and the other is the
new assignment based on configured subnet ids. The new assignment code
has to be executed first and has to be taken into account when (later
on) allocating the "old" subnets from the same pool.

Instead of having one iteration through the links we are now trying to
allocate a prefix for every link on every delegated prefix, unless they
received an assignment in a previous iteration.
2020-05-26 12:41:22 +02:00
Lennart Poettering
1283366a90
Merge pull request #15167 from ssahani/address-gen-mode
networkctl: Add a range to address genmode
2020-05-25 17:32:00 +02:00
Evgeny Vereshchagin
0d5266541c tests: add a testcase for https://github.com/systemd/systemd/issues/15885 2020-05-22 13:35:00 +02:00
Susant Sahani
a6f1848a23 network: Allow to configure addr_gen_mode
Defines how link-local and autoconf addresses are generated.

	0: generate address based on EUI64 (default)
	1: do no generate a link-local address, use EUI64 for addresses generated
	   from autoconf
	2: generate stable privacy addresses, using the secret from
	   stable_secret (RFC7217)
	3: generate stable privacy addresses, using a random secret if unset
2020-05-21 14:41:04 +02:00
Zbigniew Jędrzejewski-Szmek
929d07ddcb
Merge pull request #15274 from ssahani/network-issue-9610
DHCP4: Allow lease time to be set when missing from offer
2020-05-20 16:39:41 +02:00
Susant Sahani
ed0d1b2e99 network: DHCPv6 - Add support to send vendor class information
Frame 1: 177 bytes on wire (1416 bits), 177 bytes captured (1416 bits) on interface veth-peer, id 0
Ethernet II, Src: 1e:04:f8:b8:2f:d4 (1e:04:f8:b8:2f:d4), Dst: IPv6mcast_01:00:02 (33:33:00:01:00:02)
Internet Protocol Version 6, Src: fe80::1c04:f8ff:feb8:2fd4, Dst: ff02::1:2
User Datagram Protocol, Src Port: 546, Dst Port: 547
DHCPv6
    Message type: Solicit (1)
    Transaction ID: 0x5ca46b
    Rapid Commit
    Identity Association for Non-temporary Address
    Fully Qualified Domain Name
    Vendor Class
        Option: Vendor Class (16)
        Length: 23
        Value: 0000ab11000048656c6c6f3a686f773a6172653a796f75
        Enterprise ID: Tom Gundersen (systemd) (43793)
        vendor-class-data: Hello:how:are:you
    Identity Association for Prefix Delegation
    Option Request
    Client Identifier
    Elapsed time
2020-05-20 07:58:03 +02:00
Susant Sahani
d6463307e0 network: DHCPv4- Allow to set DHCP lease lifetime 2020-05-20 06:32:26 +02:00
Susant Sahani
f37f2a6b8a network: DHCPv6 - Add support to send user class
Frame 115: 171 bytes on wire (1368 bits), 171 bytes captured (1368 bits) on interface veth-peer, id 0
Ethernet II, Src: 1e:04:f8:b8:2f:d4 (1e:04:f8:b8:2f:d4), Dst: IPv6mcast_01:00:02 (33:33:00:01:00:02)
Internet Protocol Version 6, Src: fe80::1c04:f8ff:feb8:2fd4, Dst: ff02::1:2
User Datagram Protocol, Src Port: 546, Dst Port: 547
DHCPv6
    Message type: Solicit (1)
    Transaction ID: 0x673257
    Rapid Commit
        Option: Rapid Commit (14)
        Length: 0
    Identity Association for Non-temporary Address
        Option: Identity Association for Non-temporary Address (3)
        Length: 12
        Value: d0cc94090000000000000000
        IAID: d0cc9409
        T1: 0
        T2: 0
    Fully Qualified Domain Name
        Option: Fully Qualified Domain Name (39)
        Length: 6
        Value: 01045a657573
        0000 0... = Reserved: 0x00
        .... .0.. = N bit: Server should perform DNS updates
        .... ..0. = O bit: Server has not overridden client's S bit preference
        .... ...1 = S bit: Server should perform forward DNS updates
        Client FQDN: Zeus
    User Class
        Option: User Class (15)
        Length: 17
        Value: 000f68656c6c6f30313233343031323334
    Identity Association for Prefix Delegation
        Option: Identity Association for Prefix Delegation (25)
        Length: 12
        Value: d0cc94090000000000000000
        IAID: d0cc9409
        T1: 0
        T2: 0
    Option Request
        Option: Option Request (6)
        Length: 10
        Value: 001700180038001f000e
        Requested Option code: DNS recursive name server (23)
        Requested Option code: Domain Search List (24)
        Requested Option code: NTP Server (56)
        Requested Option code: Simple Network Time Protocol Server (31)
        Requested Option code: Rapid Commit (14)
    Client Identifier
        Option: Client Identifier (1)
        Length: 14
        Value: 00020000ab11d258482fc7eee651
        DUID: 00020000ab11d258482fc7eee651
        DUID Type: assigned by vendor based on Enterprise number (2)
        Enterprise ID: Tom Gundersen (systemd) (43793)
        Identifier: d258482fc7eee651
    Elapsed time
        Option: Elapsed time (8)
        Length: 2
        Value: 0bd0
        Elapsed time: 30240ms
2020-05-19 11:48:30 +02:00
Susant Sahani
35f6a5cb44 network: DHCPv6 - Add support set arbitary request options 2020-05-17 11:18:29 +02:00
Susant Sahani
89fe653544 network: Add support to group links.
Link groups are similar to port ranges found in managed switches.
You can add network interfaces to a numbered group and perform operations
on all the interfaces from that group at once.
2020-05-15 15:27:07 +02:00
Andrew Doran
e7d5fe17db DHCP client: make SendOption work for DHCPv6 too. 2020-05-11 16:31:08 +02:00
Susant Sahani
d361b3730a network: Add support send and receive LPR servers 2020-04-22 14:49:27 +02:00
Susant Sahani
e9a8c550c1 LLDP: Add support to transmit MUD URL 2020-04-08 00:20:54 +02:00
Zbigniew Jędrzejewski-Szmek
c51c6f2f57
Merge pull request #15252 from ssahani/dhcpv6-mud
DHCPv6: Add support to send MUD URL
2020-04-02 10:23:15 +02:00
Richard Petri
7e025e9cdb network: can: add support for CAN-FD related properties 2020-04-01 20:07:20 +02:00
Susant Sahani
3175a8c21b network: DHCPv6 Add support to send MUD URL 2020-04-01 17:01:12 +02:00
Susant Sahani
7b8d23a9bb network: DHCPv4 - introduce The Manufacturer Usage Description (MUD) 2020-03-30 20:27:48 +02:00
Susant Sahani
f6269fe7bb network: DHCP - add support to emit and receive SMTP server information 2020-03-29 22:59:11 +02:00
Susant Sahani
284e8fd0d7 DHCP: Add support to emit and retrieve POP3 server 2020-03-28 03:34:27 +01:00
David Wood
7354900ddd network: Fix split in SendOption= on client and server
When specifying `DHCPv4.SendOption=`, it is used by systemd-networkd to
set the value of that option within the DHCP request that is sent out.
This differs to setting `DHCPServer.SendOption=`, which will place all
the options together as suboptions into the vendor-specific information
(code 43) option.

This commit adds two new config options, `DHCPv4.SendVendorOption=` and
`DHCPServer.SendVendorOption=`. These both have the behaviour of the old
`DHCPServer.SendOption=` flag, and set the value of the suboption in the
vendor-specific information option.

The behaviour of `DHCPServer.SendOption=` is then changed to reflect
that of `DHCPv4.SendOption=`. It will set the value of the corresponding
option in the DHCP request.
2020-03-19 09:08:40 +01:00
Zbigniew Jędrzejewski-Szmek
34bc838f15
Merge pull request #15136 from yuwata/network-dhcp4-use-gateway
network: add a flag to ignore gateway provided by DHCP server
2020-03-17 16:51:18 +01:00
Yu Watanabe
74f0fb9095 network: can: add support for listen-only mode
Closes #15129.
2020-03-17 00:32:35 +09:00
Yu Watanabe
b453122789 network: add a flag to ignore gateway provided by DHCP server
Closes #15117.
2020-03-16 19:34:43 +09:00
Susant Sahani
7f22402007 network: TC - introduce HHF
Please see https://lwn.net/Articles/577208/
2020-03-12 15:39:12 +09:00
Susant Sahani
1a95964bfa network: TC - introduce pfifo_fast
pfifo_fast - three-band first in, first out queue

Please see https://linux.die.net/man/8/tc-pfifo_fast
2020-03-12 15:38:18 +09:00
Susant Sahani
053a2ddbb2 network: TC - introduce pfifo_head_drop
This adds the required changes to gain access to
the head drop classfull queuing discipline named
pfifo_head_drop.
2020-03-12 15:37:17 +09:00
Susant Sahani
c853f594d4 network: TC - introduce BFIFO
bfifo - Byte limited First In, First Out queue
2020-03-12 15:35:51 +09:00
Yu Watanabe
ad365c5de7 network: tc: introduce DRR class 2020-03-12 15:35:51 +09:00
Susant Sahani
f5fc04417e network: TC - introduce DRR
Introduce the Deficit Round Robin Scheduler is a classful queuing discipline as
a more flexible replacement for Stochastic Fairness Queuing.

http://man7.org/linux/man-pages/man8/tc-drr.8.html
2020-03-12 15:35:51 +09:00
Susant Sahani
bde4ae88c8 network: tc- introduce PIE
Proportional Integral controller-Enhanced (PIE) is a control
theoretic active queue management scheme. It is based on the
proportional integral controller but aims to control delay.

http://man7.org/linux/man-pages/man8/tc-pie.8.html
2020-03-12 13:58:35 +09:00
Yu Watanabe
a834cb5247
Merge pull request #15036 from yuwata/can-termination-mod
network: add CAN Termination tristate option
2020-03-07 19:11:03 +09:00
Matt Ranostay
52aa38f14a network: add CAN Termination tristate option 2020-03-07 02:00:02 +09:00
Yu Watanabe
bba1f90ff5
Merge pull request #14890 from yuwata/network-tc-next
network: tc-next
2020-03-07 01:44:15 +09:00
Yu Watanabe
d739fddeb5 network: add setting to support RA without DHCPv6 client
Closes #13991.
2020-03-07 01:39:26 +09:00
Susant Sahani
cd305af1fe network: Allow DHCPv6 client to start without router's managed flag. 2020-03-07 01:38:26 +09:00
Susant Sahani
ad8352f4ff network: tc: introduce cake
CAKE (Common Applications Kept Enhanced)

Please see http://man7.org/linux/man-pages/man8/tc-cake.8.html
2020-03-02 15:59:37 +09:00
Susant Sahani
982998b087 network: TC introduce sfb - Stochastic Fair Blue
Please see https://www.systutorials.com/docs/linux/man/8-tc-sfb/
2020-03-02 15:48:24 +09:00
Susant Sahani
609e8340bb network: TC introduce GRED, Generic Random Early Detection
http://tldp.org/en/Traffic-Control-HOWTO/ar01s06.html
2020-03-02 15:48:24 +09:00