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Jonathan Nobels 0699f847b9 net/netmon: remove ChangeDelta.Major and start the TODOs ... updates tailscale/corp#33891 We've had some TODO's in netmon for ages related to asking more pointed questions of ChangeDelta. We're also seeing a lot of ChangeDelta's being flagged as "Major" when they are not interesting, triggering rebinds in wgengine that are not needed. This removes the "Major" flag and replaces it with a set of precomputed values that hint at what the ChangeDelta means. The dependencies are cleaned up a bit, notably removing dependency on netmon itself for calculating what is interesting, and what is not. This includes letting individual platforms set a bespoke global "IsInterestingInterface" function. This was only used on Darwin. RebindRequired roughly flows from how "Major" was historically calculated but includes some additional checks for various uninteresting events such as changes in interface addresses that shouldn't trigger a rebind to minimize thrashing. The individual values that we roll into RebindRequired are also exposed so that components consuming netmap.ChangeDelta can ask more targeted questions. Signed-off-by: Jonathan Nobels <jonathan@tailscale.com> wgengine/userspace: skip rebind and restun if all of our interfaces are down updates tailscale/corp#33891 Skip rebind and restun if we have called SetNetworkUp with false. Neither cares about this state and it's just flappy to try to reStun and rebind if there are no usable interfaces available. Signed-off-by: Jonathan Nobels <jonathan@tailscale.com> Add viability flag and fix bug in state		1 week ago
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addlicense	all: fix golangci-lint errors	11 months ago
build-webclient	client/web: precompress assets	2 years ago
checkmetrics	cmd/checkmetrics: add command for checking metrics against kb	1 year ago
cigocacher	cmd/cigocacher,go.mod: add cigocacher cmd	1 week ago
cloner	cmd/cloner: support cloning arbitrarily-nested maps	3 weeks ago
connector-gen	cmd/connector-gen: add helper tool for wide app connector configurations	2 years ago
containerboot	all: rename variables with lowercase-l/uppercase-I	2 weeks ago
derper	cmd/cigocacher,go.mod: add cigocacher cmd	1 week ago
derpprobe	cmd/derpprobe,prober: add run all probes handler (#16875)	4 months ago
dist	{cmd/dist,release/dist}: add support for intermediary QNAP signing certificates	4 months ago
featuretags	feature/featuretags,cmd/omitsize: support feature dependencies	3 months ago
get-authkey	cmd,tsnet,internal/client: create internal shim to deprecated control plane API	10 months ago
gitops-pusher	scripts/check_license_headers.sh: delete, rewrite as a Go test	6 months ago
hello	cmd/hello: display native ipv4 (#15191)	9 months ago
jsonimports	cmd/jsonimports: add static analyzer for consistent "json" imports (#17669)	1 month ago
k8s-nameserver	k8s-operator: add IPv6 support for DNS records (#16691)	2 months ago
k8s-operator	cmd/k8s-operator: allow HA ingresses to be deleted when VIP service does not exist (#18050)	1 week ago
k8s-proxy	all: rename variables with lowercase-l/uppercase-I	2 weeks ago
mkmanifest	cmd/mkmanifest, cmd/tailscale, cmd/tailscaled: remove Windows arm32 resources from OSS	3 years ago
mkpkg	go.mod: upgrade nfpm to v2 (#8786)	2 years ago
mkversion	version/mkversion: open-source version generation logic	3 years ago
nardump	cmd/nardump: support symlinks, add basic test	8 months ago
natc	all: rename variables with lowercase-l/uppercase-I	2 weeks ago
netlogfmt	cmd/netlogfmt: support resolving IP addresses to synonymous labels (#17955)	2 weeks ago
nginx-auth	tailcfg,all: add and use Node.IsTagged()	3 years ago
omitsize	feature/featuretags,cmd/omitsize: support feature dependencies	3 months ago
pgproxy	all: use new LocalAPI client package location	10 months ago
printdep	cmd/printdep: print correct toolchain URL	3 years ago
proxy-test-server	net/tlsdial: fix TLS cert validation of HTTPS proxies	6 months ago
proxy-to-grafana	scripts/check_license_headers.sh: delete, rewrite as a Go test	6 months ago
sniproxy	all: rename variables with lowercase-l/uppercase-I	2 weeks ago
speedtest	all: update copyright and license headers	3 years ago
ssh-auth-none-demo	ssh,tempfork/gliderlabs/ssh: replace github.com/tailscale/golang-x-crypto/ssh with golang.org/x/crypto/ssh	10 months ago
stunc	cmd/stunc: enforce read timeout deadline (#14309)	1 year ago
stund	cmd/cigocacher,go.mod: add cigocacher cmd	1 week ago
stunstamp	all: rename variables with lowercase-l/uppercase-I	2 weeks ago
sync-containers	all: rename variables with lowercase-l/uppercase-I	2 weeks ago
systray	client/systray: allow specifying tailscaled socket	4 months ago
tailscale	cmd/tailscale,feature/relayserver,ipn: add relay-server-static-endpoints set flag	1 week ago
tailscaled	net/netmon: remove ChangeDelta.Major and start the TODOs	1 week ago
testcontrol	all: use Go 1.22 range-over-int	2 years ago
testwrapper	cmd/testwrapper/flakytest: use t.Attr annotation on flaky tests	2 months ago
tl-longchain	all: rename variables with lowercase-l/uppercase-I	2 weeks ago
tsconnect	types/netmap,*: remove some redundant fields from NetMap	2 weeks ago
tsidp	cmd/cigocacher,go.mod: add cigocacher cmd	1 week ago
tsshd	all: update copyright and license headers	3 years ago
tta	all: use new LocalAPI client package location	10 months ago
vet	cmd/vet/jsontags: fix a typo in an error message	2 weeks ago
viewer	cmd/{cloner,viewer}: handle maps of views	3 weeks ago
vnet	cmd/vnet: add wsproxy mode	8 months ago
xdpderper	tsweb: split promvarz into an optional dependency	9 months ago