Change Log

All relevant, user visible, changes are documented in this file.

v0.10 - 2023-05-30

Changes

Add new passive mode, where no queries are sent

v0.9 - 2022-11-24

Fixes

Fix memory leak in join handler
Fix issue with elements not being removed correctly with TIALQ

v0.8 - 2022-11-21

Fixes

Fix ports not sorted when running querierctl
Fix router ports not showing if vlan doesn't have router port

v0.7 - 2022-10-10

Fixes

Fix use-after-free on machines with unsigned-by-default chars
Fix incorrect VID parsing of MDB entries

v0.6 - 2022-07-05

Fixes

querierctl: Fix handling of bigger interface indexes in router port parsing

v0.5 - 2022-06-20

Changes

Add per interface proxy mode
- Any interface listed as disabled in configuration is considered a proxy interface
- Proxy queries (with source 0.0.0.0) are sent until a real querier is detected
- querierctl shows elected querier for proxy interfaces
querierctl: Support for displaying discovered router ports

v0.4 - 2022-02-16

Changes

Support for adding/removing interfaces at runtime, with new test
Add querierctl tool, with plain text API over UNIX domain socket
- Shows elected querier per VLAN, querierctl show
- Shows elected querier timeout
- Shows which port the elected querier is connected to on bridge
- Support for displaying bridge mdb show in human-friendly format

Fixes

Fix rearming of internal timers, caused wrong querier timeout handling and querierd jumping in too early
Never allow link-local addresses to win a querier election
Never allow 0.0.0.0 address to win a querier election

v0.3 - 2022-02-08

Changes

Add NETLINK support for link up/down and address add/del
- Enables seamless operation on interfaces with, e.g., DHCP address
- Allows for bringing up interfaces long after daemon has started
Querier timer now operates per interface, starts when interfaces are brought into operation -- configuration remains a global setting
Very basic IPC support for querying status from daemon
Massive refactor/rename of internal APIs
Support for multicast output interface without an address
Support for join/leave on interface without an address

v0.2 - 2022-02-04

Changes

Add proper /etc/querierd.conf support to change:
- query interval (QI)
- query response interval (QRI)
- query last member interval
- robustness (QRV)
- router timeout
- router alert
- interface on/off with IGMP version
Add sample querierd.conf

Fixes

Ignore proxy querys, they must never win elections
Query jitter problem of several seconds

v0.1 - 2021-12-01

Initial public release.

Limited IGMPv1/v2/v3 querier with hard-coded query interval, etc. Put interfaces in a .conf file, whitespace separated to enable querier.