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tailscale/feature/buildfeatures
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Brad Fitzpatrick f343b496c3 wgengine, all: remove LazyWG, use wireguard-go callback API for on-demand peers 
Replace the UAPI text protocol-based wireguard configuration with
wireguard-go's new direct callback API (SetPeerLookupFunc,
SetPeerByIPPacketFunc, RemoveMatchingPeers, SetPrivateKey).

Instead of computing a trimmed wireguard config ahead of time upon
control plane updates and pushing it via UAPI, install callbacks so
wireguard-go creates peers on demand when packets arrive. This removes
all the LazyWG trimming machinery: idle peer tracking, activity maps,
noteRecvActivity callbacks, the KeepFullWGConfig control knob, and the
ts_omit_lazywg build tag.

For incoming packets, PeerLookupFunc answers wireguard-go's questions
about unknown public keys by looking up the peer in the full config.
For outgoing packets, PeerByIPPacketFunc (installed from
LocalBackend.lookupPeerByIP) maps destination IPs to node public keys
using the existing nodeByAddr index.

Updates tailscale/corp#12345

Change-Id: I4cba80979ac49a1231d00a01fdba5f0c2af95dd8
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2026-04-29 19:46:19 -07:00
..
buildfeatures.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_ace_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_ace_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_acme_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_acme_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_advertiseexitnode_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_advertiseexitnode_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_advertiseroutes_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_advertiseroutes_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_appconnectors_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_appconnectors_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_aws_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_aws_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_bakedroots_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_bakedroots_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_bird_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_bird_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_c2n_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_c2n_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_cachenetmap_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_cachenetmap_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_captiveportal_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_captiveportal_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_capture_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_capture_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_cliconndiag_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_cliconndiag_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_clientmetrics_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_clientmetrics_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_clientupdate_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_clientupdate_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_cloud_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_cloud_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_colorable_disabled.go cmd/tailscale,feature/featuretags: make webbrowser and colorable deps omittable 2026-02-08 10:04:04 -08:00
feature_colorable_enabled.go cmd/tailscale,feature/featuretags: make webbrowser and colorable deps omittable 2026-02-08 10:04:04 -08:00
feature_completion_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_completion_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_completion_scripts_disabled.go feature/featuretags: add test that all ts_omit_foo tags are declared 2026-02-04 13:15:41 -08:00
feature_completion_scripts_enabled.go feature/featuretags: add test that all ts_omit_foo tags are declared 2026-02-04 13:15:41 -08:00
feature_conn25_disabled.go cmd/tailscaled,feature/conn25,feature/featuretags: add conn25 to featuretags 2026-02-04 12:52:08 -08:00
feature_conn25_enabled.go cmd/tailscaled,feature/conn25,feature/featuretags: add conn25 to featuretags 2026-02-04 12:52:08 -08:00
feature_dbus_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_dbus_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_debug_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_debug_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_debugeventbus_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_debugeventbus_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_debugportmapper_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_debugportmapper_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_desktop_sessions_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_desktop_sessions_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_dns_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_dns_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_doctor_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_doctor_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_drive_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_drive_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_gro_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_gro_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_health_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_health_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_hujsonconf_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_hujsonconf_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_identityfederation_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_identityfederation_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_ipnbus_disabled.go ipn/localapi, cli, clientmetric: add ipnbus feature tag; fix omit.go stub 2026-04-07 10:22:37 -07:00
feature_ipnbus_enabled.go ipn/localapi, cli, clientmetric: add ipnbus feature tag; fix omit.go stub 2026-04-07 10:22:37 -07:00
feature_iptables_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_iptables_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_kube_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_kube_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_linkspeed_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_linkspeed_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_linuxdnsfight_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_linuxdnsfight_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_listenrawdisco_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_listenrawdisco_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_logtail_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_logtail_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_netlog_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_netlog_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_netstack_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_netstack_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_networkmanager_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_networkmanager_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_oauthkey_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_oauthkey_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_osrouter_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_osrouter_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_outboundproxy_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_outboundproxy_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_peerapiclient_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_peerapiclient_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_peerapiserver_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_peerapiserver_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_portlist_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_portlist_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_portmapper_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_portmapper_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_posture_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_posture_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_qrcodes_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_qrcodes_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_relayserver_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_relayserver_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_resolved_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_resolved_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_sdnotify_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_sdnotify_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_serve_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_serve_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_ssh_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_ssh_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_synology_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_synology_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_syspolicy_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_syspolicy_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_systray_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_systray_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_taildrop_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_taildrop_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_tailnetlock_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_tailnetlock_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_tap_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_tap_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_tpm_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_tpm_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_tundevstats_disabled.go feature/*,net/tstun: add tundev_txq_drops clientmetric on Linux 2026-03-24 09:44:58 -07:00
feature_tundevstats_enabled.go feature/*,net/tstun: add tundev_txq_drops clientmetric on Linux 2026-03-24 09:44:58 -07:00
feature_unixsocketidentity_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_unixsocketidentity_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_useexitnode_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_useexitnode_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_useproxy_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_useproxy_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_usermetrics_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_usermetrics_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_useroutes_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_useroutes_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_wakeonlan_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_wakeonlan_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_webbrowser_disabled.go cmd/tailscale,feature/featuretags: make webbrowser and colorable deps omittable 2026-02-08 10:04:04 -08:00
feature_webbrowser_enabled.go cmd/tailscale,feature/featuretags: make webbrowser and colorable deps omittable 2026-02-08 10:04:04 -08:00
feature_webclient_disabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
feature_webclient_enabled.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
gen.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00