11 Commits (b57e778618ca1c5cc05eb76c13eb2d46f9bba631)

Author	SHA1	Message	Date
Jonathan Nobels	b57e778618	ipn/ipnlocal, net/netmon: remove netmon.State dependencies ... updates tailscale/corp#33891 This further reduces (but does not completely eliminate) the need to pass around netmon.State and leans on the netmon.ChangeDelta and its precomputed fields. Signed-off-by: Jonathan Nobels <jonathan@tailscale.com>	1 day ago
Jonathan Nobels	696191f850	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 day ago
Claus Lensbøl	005e264b54	util/eventbus/eventbustest: add support for synctest instead of timers (#17522) ... Before synctest, timers was needed to allow the events to flow into the test bus. There is still a timer, but this one is not derived from the test deadline and it is mostly arbitrary as synctest will render it practically non-existent. With this approach, tests that do not need to test for the absence of events do not rely on synctest. Updates #15160 Signed-off-by: Claus Lensbøl <claus@tailscale.com>	2 months ago
Jonathan Nobels	8e98ecb5f7	net/netmon: handle net.IPAddr types during interface address parsing (#17523) ... updates tailscale/tailscale#16836 Android's altNetInterfaces implementation now returns net.IPAddr types which netmon wasn't handling. Signed-off-by: Jonathan Nobels <jonathan@tailscale.com>	2 months ago
Claus Lensbøl	df362d0a08	net/netmon: make ChangeDelta event not a pointer (#17112) ... This makes things work slightly better over the eventbus. Also switches ipnlocal to use the event over the eventbus instead of the direct callback. Updates #15160 Signed-off-by: Claus Lensbøl <claus@tailscale.com>	3 months ago
Claus Lensbøl	37eca1785c	net/netmon: add tests for the events over the eventbus (#16382) ... Updates #15160 Signed-off-by: Claus Lensbøl <claus@tailscale.com>	5 months ago
David Anderson	5399fa159a	net/netmon: publish events to event bus ... Updates #15160 Signed-off-by: David Anderson <dave@tailscale.com>	8 months ago
Brad Fitzpatrick	b9adbe2002	net/{interfaces,netmon}, all: merge net/interfaces package into net/netmon ... In prep for most of the package funcs in net/interfaces to become methods in a long-lived netmon.Monitor that can cache things. (Many of the funcs are very heavy to call regularly, whereas the long-lived netmon.Monitor can subscribe to things from the OS and remember answers to questions it's asked regularly later) Updates tailscale/corp#10910 Updates tailscale/corp#18960 Updates #7967 Updates #3299 Change-Id: Ie4e8dedb70136af2d611b990b865a822cd1797e5 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	2 years ago
Brad Fitzpatrick	11ece02f52	net/{interfaces,netmon}: remove "interesting", EqualFiltered API ... This removes a lot of API from net/interfaces (including all the filter types, EqualFiltered, active Tailscale interface func, etc) and moves the "major" change detection to net/netmon which knows more about the world and the previous/new states. Updates #9040 Change-Id: I7fe66a23039c6347ae5458745b709e7ebdcce245 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	2 years ago
Brad Fitzpatrick	9089efea06	net/netmon: make ChangeFunc's signature take new ChangeDelta, not bool ... Updates #9040 Change-Id: Ia43752064a1a6ecefc8802b58d6eaa0b71cf1f84 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	2 years ago
Mihai Parparita	4722f7e322	all: move network monitoring from wgengine/monitor to net/netmon ... We're using it in more and more places, and it's not really specific to our use of Wireguard (and does more just link/interface monitoring). Also removes the separate interface we had for it in sockstats -- it's a small enough package (we already pull in all of its dependencies via other paths) that it's not worth the extra complexity. Updates #7621 Updates #7850 Signed-off-by: Mihai Parparita <mihai@tailscale.com>	3 years ago