211 Commits (c3467fbadb7e2f28c3f786dfabdc13c173e62055)

Author	SHA1	Message	Date
Brad Fitzpatrick	c52905abaa	wgengine/magicsock: log less on no-op disco route switches ... Also, renew trustBestAddrUntil even if latency isn't better.	4 years ago
Brad Fitzpatrick	0f0ed3dca0	wgengine/magicsock: clean up discovery logging ... Updates #483	4 years ago
Brad Fitzpatrick	056fbee4ef	wgengine/magicsock: add TS_DEBUG_OMIT_LOCAL_ADDRS knob to force STUN use only ... For debugging.	4 years ago
Brad Fitzpatrick	e03cc2ef57	wgengine/magicsock: populate discoOfAddr upon receiving ping frames ... Updates #483	4 years ago
Brad Fitzpatrick	275a20f817	wgengine/magicsock: keep discoOfAddr populated, use it for findEndpoint ... Update the mapping from ip:port to discokey, so when we retrieve a packet from the network, we can find the same conn.Endpoint that we gave to wireguard-go previously, without making it think we've roamed. (We did, but we're not using its roaming.) Updates #483	4 years ago
Brad Fitzpatrick	77e89c4a72	wgengine/magicsock: handle CallMeMaybe discovery mesages ... Roughly feature complete now. Testing and polish remains. Updates #483	4 years ago
Brad Fitzpatrick	710ee88e94	wgengine/magicsock: add timeout on discovery pings, clean up state ... Updates #483	4 years ago
Brad Fitzpatrick	77d3ef36f4	wgengine/magicsock: hook up discovery messages, upgrade to LAN works ... Ping messages now go out somewhat regularly, pong replies are sent, and pong replies are now partially handled enough to upgrade off DERP to LAN. CallMeMaybe packets are sent & received over DERP, but aren't yet handled. That's next (and regular maintenance timers), and then WAN should work. Updates #483	4 years ago
Brad Fitzpatrick	9b8ca219a1	wgengine/magicsock: remove allocs in UDP write, use new netaddr.PutUDPAddr ... The allocs were only introduced yesterday with a TODO. Now they're gone again.	4 years ago
Brad Fitzpatrick	7b3c0bb7f6	wgengine/magicsock: fix crash reading DERP packet ... Starting at yesterday's e96f22e560 (convering some UDPAddrs to IPPorts), Conn.ReceiveIPv4 could return a nil addr, which would make its way through wireguard-go and blow up later. The DERP read path wasn't initializing the addr result parameter any more, and wgRecvAddr wasn't checking it either. Fixes #515	4 years ago
Brad Fitzpatrick	47b4a19786	wgengine/magicsock: use netaddr.ParseIPPort instead of net.ResolveUDPAddr	4 years ago
Brad Fitzpatrick	f7124c7f06	wgengine/magicsock: start of discoEndpoint state tracking ... Updates #483	4 years ago
Brad Fitzpatrick	92252b0988	wgengine/magicsock: add a little LRU cache for netaddr.IPPort lookups ... And while plumbing, a bit of discovery work I'll need: the endpointOfAddr map to map from validated paths to the discoEndpoint. Not being populated yet. Updates #483	4 years ago
Brad Fitzpatrick	2d6e84e19e	net/netcheck, wgengine/magicsock: replace more UDPAddr with netaddr.IPPort	4 years ago
Brad Fitzpatrick	9070aacdee	wgengine/magicsock: minor comments & logging & TODO changes	4 years ago
Brad Fitzpatrick	e96f22e560	wgengine/magicsock: start handling disco message, use netaddr.IPPort more ... Updates #483	4 years ago
Brad Fitzpatrick	a83ca9e734	wgengine/magicsock: cache precomputed nacl/box shared keys ... Updates #483	4 years ago
Brad Fitzpatrick	a975e86bb8	wgengine/magicsock: add new endpoint type used for discovery-supporting peers ... This adds a new magicsock endpoint type only used when both sides support discovery (that is, are advertising a discovery key). Otherwise the old code is used. So far the new code only communicates over DERP as proof that the new code paths are wired up. None of the actually discovery messaging is implemented yet. Support for discovery (generating and advertising a key) are still behind an environment variable for now. Updates #483	4 years ago
Brad Fitzpatrick	103c06cc68	wgengine/magicsock: open discovery naclbox messages from known peers ... And track known peers. Doesn't yet do anything with the messages. (nor does it send any yet) Start of docs on the message format. More will come in subsequent changes. Updates #483	4 years ago
Brad Fitzpatrick	23e74a0f7a	wgengine, magicsock, tstun: don't regularly STUN when idle (mobile only for now) ... If there's been 5 minutes of inactivity, stop doing STUN lookups. That means NAT mappings will expire, but they can resume later when there's activity again. We'll do this for all platforms later. Updates tailscale/corp#320 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	4 years ago
Brad Fitzpatrick	fe50cd0c48	ipn, wgengine: plumb NetworkMap down to magicsock ... Now we can have magicsock make decisions based on tailcfg.Debug settings sent by the server. Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	4 years ago
Dmytro Shynkevych	de5f6d70a8	magicsock: eliminate logging race in test ... Signed-off-by: Dmytro Shynkevych <dmytro@tailscale.com>	4 years ago
Brad Fitzpatrick	53fb25fc2f	all: generate discovery key, plumb it around ... Not actually used yet. Updates #483	4 years ago
Brad Fitzpatrick	abd79ea368	derp: reduce DERP memory use; don't require callers to pass in memory to use ... The magicsock derpReader was holding onto 65KB for each DERP connection forever, just in case. Make the derp{,http}.Client be in charge of memory instead. It can reuse its bufio.Reader buffer space.	4 years ago
Brad Fitzpatrick	280e8884dd	wgengine/magicsock: limit redundant log spam on packets from low-pri addresses ... Fixes #407 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	4 years ago
Brad Fitzpatrick	9e5d79e2f1	wgengine/magicsock: drop a bytes.Buffer sync.Pool, use logger.ArgWriter instead	4 years ago
Brad Fitzpatrick	becce82246	net/netns, misc tests: remove TestOnlySkipPrivilegedOps, argv checks ... The netns UID check is sufficient for now. We can do something else later if/when needed.	4 years ago
David Anderson	5114df415e	net/netns: set the bypass socket mark on linux. ... This allows tailscaled's own traffic to bypass Tailscale-managed routes, so that things like tailscale-provided default routes don't break tailscaled itself. Progress on #144. Signed-off-by: David Anderson <danderson@tailscale.com>	4 years ago
Brad Fitzpatrick	db2a216561	wgengine/magicsock: don't log on UDP send errors if address family known missing ... Fixes #376	4 years ago
Brad Fitzpatrick	9e3ad4f79f	net/netns: add package for start of network namespace support ... And plumb in netcheck STUN packets. TODO: derphttp, logs, control. Updates #144 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	4 years ago
Brad Fitzpatrick	a428656280	wgengine/magicsock: don't report v4 localhost addresses on IPv6-only systems ... Updates #376	4 years ago
Avery Pennarun	30e5c19214	magicsock: work around race condition initializing .Regions[]. ... Signed-off-by: Avery Pennarun <apenwarr@tailscale.com>	4 years ago
Brad Fitzpatrick	b0c10fa610	stun, netcheck: move under net	5 years ago
Brad Fitzpatrick	e6b84f2159	all: make client use server-provided DERP map, add DERP region support ... Instead of hard-coding the DERP map (except for cmd/tailscale netcheck for now), get it from the control server at runtime. And make the DERP map support multiple nodes per region with clients picking the first one that's available. (The server will balance the order presented to clients for load balancing) This deletes the stunner package, merging it into the netcheck package instead, to minimize all the config hooks that would've been required. Also fix some test flakes & races. Fixes #387 (Don't hard-code the DERP map) Updates #388 (Add DERP region support) Fixes #399 (wgengine: flaky tests) Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	5 years ago
David Anderson	e8b3a5e7a1	wgengine/filter: implement a destination IP pre-filter. ... Signed-off-by: David Anderson <danderson@tailscale.com>	5 years ago
Brad Fitzpatrick	e6d0c92b1d	wgengine/magicsock: clean up earlier fix a bit ... Move WaitReady from fc88e34f42 into the test code, and keep the derp-reading goroutine named for debugging.	5 years ago
Avery Pennarun	fc88e34f42	wgengine/magicsock/tests: wait for home DERP connection before sending packets. ... This fixes an elusive test flake. Fixes #161. Signed-off-by: Avery Pennarun <apenwarr@tailscale.com>	5 years ago
Avery Pennarun	4f128745d8	magicsock/test: oops, fix a data race in nested-test logf hack. ... Signed-off-by: Avery Pennarun <apenwarr@tailscale.com>	5 years ago
Avery Pennarun	42a0e0c601	wgengine/magicsock/tests: call tstest.ResourceCheck for each test. ... This didn't catch anything yet, but it's good practice for detecting goroutine leaks that we might not find otherwise. Signed-off-by: Avery Pennarun <apenwarr@tailscale.com>	5 years ago
Avery Pennarun	08acb502e5	Add tstest.PanicOnLog(), and fix various problems detected by this. ... If a test calls log.Printf, 'go test' horrifyingly rearranges the output to no longer be in chronological order, which makes debugging virtually impossible. Let's stop that from happening by making log.Printf panic if called from any module, no matter how deep, during tests. This required us to change the default error handler in at least one http.Server, as well as plumbing a bunch of logf functions around, especially in magicsock and wgengine, but also in logtail and backoff. To add insult to injury, 'go test' also rearranges the output when a parent test has multiple sub-tests (all the sub-test's t.Logf is always printed after all the parent tests t.Logf), so we need to screw around with a special Logf that can point at the "current" t (current_t.Logf) in some places. Probably our entire way of using subtests is wrong, since 'go test' would probably like to run them all in parallel if you called t.Parallel(), but it definitely can't because the're all manipulating the shared state created by the parent test. They should probably all be separate toplevel tests instead, with common setup/teardown logic. But that's a job for another time. Signed-off-by: Avery Pennarun <apenwarr@tailscale.com>	5 years ago
Dmytro Shynkevych	33b2f30cea	wgengine: wrap tun.Device to support filtering and packet injection (#358) ... Right now, filtering and packet injection in wgengine depend on a patch to wireguard-go that probably isn't suitable for upstreaming. This need not be the case: wireguard-go/tun.Device is an interface. For example, faketun.go implements it to mock a TUN device for testing. This patch implements the same interface to provide filtering and packet injection at the tunnel device level, at which point the wireguard-go patch should no longer be necessary. This patch has the following performance impact on i7-7500U @ 2.70GHz, tested in the following namespace configuration: ┌────────────────┐ ┌─────────────────────────────────┐ ┌────────────────┐ │ $ns1 │ │ $ns0 │ │ $ns2 │ │ client0 │ │ tailcontrol, logcatcher │ │ client1 │ │ ┌─────┐ │ │ ┌──────┐ ┌──────┐ │ │ ┌─────┐ │ │ │vethc│───────┼────┼──│vethrc│ │vethrs│──────┼─────┼──│veths│ │ │ ├─────┴─────┐ │ │ ├──────┴────┐ ├──────┴────┐ │ │ ├─────┴─────┐ │ │ │10.0.0.2/24│ │ │ │10.0.0.1/24│ │10.0.1.1/24│ │ │ │10.0.1.2/24│ │ │ └───────────┘ │ │ └───────────┘ └───────────┘ │ │ └───────────┘ │ └────────────────┘ └─────────────────────────────────┘ └────────────────┘ Before: --------------------------------------------------- | TCP send | UDP send | |------------------------|------------------------| | 557.0 (±8.5) Mbits/sec | 3.03 (±0.02) Gbits/sec | --------------------------------------------------- After: --------------------------------------------------- | TCP send | UDP send | |------------------------|------------------------| | 544.8 (±1.6) Mbits/sec | 3.13 (±0.02) Gbits/sec | --------------------------------------------------- The impact on receive performance is similar. Signed-off-by: Dmytro Shynkevych <dmytro@tailscale.com>	5 years ago
Brad Fitzpatrick	fefd7e10dc	types/structs: add structs.Incomparable annotation, use it where applicable ... Shotizam before and output queries: sqlite> select sum(size) from bin where func like 'type..%'; 129067 => 120216	5 years ago
Brad Fitzpatrick	e1526b796e	ipn: don't listen on the unspecified address in test ... To avoid the Mac firewall dialog of (test) death. See 4521a59f30 which I added to help debug this.	5 years ago
Brad Fitzpatrick	18017f7630	ipn, wgengine/magicsock: be more idle when in Stopped state with no peers ... (Previously as #288, but with some more.) Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	5 years ago
David Anderson	9669b85b41	wgengine/magicsock: wait for endpoint updater goroutine when closing. ... Fixes #204. Signed-off-by: David Anderson <danderson@tailscale.com>	5 years ago
Brad Fitzpatrick	268d331cb5	wgengine/magicsock: prune key.Public-keyed on peer removals ... Fixes #215	5 years ago
Brad Fitzpatrick	00d053e25a	wgengine/magicsock: fix slow memory leak as peer endpoints move around ... Updates #215	5 years ago
Brad Fitzpatrick	7fc97c5493	wgengine/magicsock: use netaddr more ... In prep for deleting from the ever-growing maps.	5 years ago
Brad Fitzpatrick	6fb30ff543	wgengine/magicsock: start using inet.af/netaddr a bit	5 years ago
Brad Fitzpatrick	a7e7c7b548	wgengine/magicsock: close derp connections on rebind ... Fixes #276 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	5 years ago
Brad Fitzpatrick	614261d00d	wgengine/magicsock: reset AddrSet states on Rebind ... Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	5 years ago
Blake Gentry	e19287f60f	wgengine/magicsock: fix Conn docs type reference ... The docs on magicsock.Conn stated that they implemented the wireguard/device.Bind interface, yet this type does not exist. In reality, the Conn type implements the wireguard/conn.Bind interface. I also fixed a small typo in the same file. Signed-off-by: Blake Gentry <blakesgentry@gmail.com>	5 years ago
Brad Fitzpatrick	322499473e	cmd/tailscaled, wgengine, ipn: add /debug/ipn handler with world state ... Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	5 years ago
Brad Fitzpatrick	2d48f92a82	wgengine/magicsock: re-stun every [20,27] sec, not 28 ... 28 is cutting it close, and we think jitter will help some spikes we're seeing. Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	5 years ago
Brad Fitzpatrick	577f321c38	wgengine/magicsock: revise derp fallback logic ... Revision to earlier 6284454ae5 Don't be sticky if we have no peers. Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	5 years ago
Brad Fitzpatrick	6284454ae5	wgengine/magicsock: if UDP blocked, pick DERP where most peers are ... Updates #207 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	5 years ago
Brad Fitzpatrick	d321190578	wgengine/magicsock: stringify [IPv6]:port normally in AddrSet.String	5 years ago
Brad Fitzpatrick	3c3ea8bc8a	wgengine/magicsock: finish IPv6 transport support ... DEBUG_INCLUDE_IPV6=1 is still required, but works now. Updates #18 (fixes it, once env var gate is removed)	5 years ago
Brad Fitzpatrick	82ed7e527e	wgengine/magicsock: remove log allocation ... This was the whole point but I goofed at the last line.	5 years ago
Brad Fitzpatrick	8454bbbda5	wgengine/magicsock: more logging improvements ... * remove endpoint discovery noise when results unchanged * consistently spell derp nodes as "derp-N" * replace "127.3.3.40:" with "derp-" in CreateEndpoint log output * stop early DERP setup before SetPrivateKey is called; it just generates log nosie * fix stringification of peer ShortStrings (it had an old %x on it, rendering it garbage) * describe why derp routes are changing, with one of: shared home, their home, our home, alt	5 years ago
Brad Fitzpatrick	680311b3df	wgengine/magicsock: fix few remaining logs without package prefix	5 years ago
Brad Fitzpatrick	c473927558	wgengine/magicsock: clean up, add, improve DERP logs	5 years ago
Brad Fitzpatrick	ea9310403d	wgengine/magicsock: re-STUN on DERP connection death ... Fixes #201	5 years ago
Brad Fitzpatrick	1ab5b31c4b	derp, magicsock: send new "peer gone" frames when previous sender disconnects ... Updates #150 (not yet enabled by default in magicsock) Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	5 years ago
Brad Fitzpatrick	b6f77cc48d	wgengine/magicsock: return early, outdent in derpWriteChanOfAddr	5 years ago
Brad Fitzpatrick	dd31285ad4	wgengine/magicsock: send IPv6 using pconn6, if available ... In prep for IPv6 support. Nothing should make it this far yet.	5 years ago
Brad Fitzpatrick	af277a6762	controlclient, magicsock: add debug knob to request IPv6 endpoints ... Add opt-in method to request IPv6 endpoints from the control plane. For now they should just be skipped. A previous version of this CL was unconditional and reportedly had problems that I can't reproduce. So make it a knob until the mystery is solved. Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	5 years ago
Brad Fitzpatrick	221e7d7767	wgengine/magicsock: make log message include DERP port (node)	5 years ago
Brad Fitzpatrick	33bdcabf03	wgengine/magicsock: call stun callback w/ only valid part of STUN packet	5 years ago
David Anderson	0be475ba46	Revert "tailcfg, controlclient, magicsock: request IPv6 endpoints, but ignore them" ... Breaks something deep in wireguard or magicsock's brainstem, no packets at all can flow. All received packets fail decryption with "invalid mac1". This reverts commit 94024355ed. Signed-off-by: David Anderson <dave@natulte.net>	5 years ago
Brad Fitzpatrick	94024355ed	tailcfg, controlclient, magicsock: request IPv6 endpoints, but ignore them ... Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	5 years ago
Brad Fitzpatrick	60ea635c6d	wgengine/magicsock: delete inaccurate comment ... I meant to include this in the earlier commit.	5 years ago
Brad Fitzpatrick	a184e05290	wgengine/magicsock: listen on udp6, use it for STUN, report endpoint ... More steps towards IPv6 transport. We now send it to tailcontrol, which ignores it. But it doesn't actually actually support IPv6 yet (outside of STUN). Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	5 years ago
Brad Fitzpatrick	7caa288213	wgengine/magicsock: rename pconn field to pconn4, in prep for pconn6	5 years ago
David Crawshaw	addbdce296	wgengine, ipn: include number of active DERPs in status ... Use this when making the ipn state transition from Starting to Running. This way a network of quiet nodes with no active handshaking will still transition to Active. Signed-off-by: David Crawshaw <crawshaw@tailscale.com>	5 years ago
David Crawshaw	1ad78ce698	magicsock: reconnect to home DERP on key change ... Typically the home DERP server is found and set on startup before magicsock's SetPrivateKey can be called, so no DERP connection is established. Make sure one is by kicking the home DERP tires in SetPrivateKey. Signed-off-by: David Crawshaw <crawshaw@tailscale.com>	5 years ago
David Crawshaw	455ba751d9	magicsock: start connection to HOME derp immediately ... The code as written intended to do this, but it repeated the comparison of derpNum and c.myDerp after c.myDerp had been updated, so it never executed. Signed-off-by: David Crawshaw <crawshaw@tailscale.com>	5 years ago
David Anderson	315a5e5355	scripts: add a license header checker. ... Signed-off-by: David Anderson <dave@natulte.net>	5 years ago
Brad Fitzpatrick	e085aec8ef	all: update to wireguard-go API changes ... Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	5 years ago
Brad Fitzpatrick	db2436c7ff	wgengine/magicsock: don't interrupt endpoint updates, merge all mutex into one ... Before, endpoint updates were constantly being interrupted and resumed on Linux due to tons of LinkChange messages from over-zealous Linux netlink messages (from router_linux.go) Now that endpoint updates are fast and bounded in time anyway, just let them run to completion, but note that another needs to be scheduled after. Now logs went from pages of noise to just: root@taildoc:~# grep -i -E 'stun|endpoint update' log 2020/03/13 08:51:29 magicsock.Conn: starting endpoint update (initial) 2020/03/13 08:51:30 magicsock.Conn.ReSTUN: endpoint update active, need another later ("link-change-minor") 2020/03/13 08:51:31 magicsock.Conn: starting endpoint update (link-change-minor) 2020/03/13 08:51:31 magicsock.Conn.ReSTUN: endpoint update active, need another later ("link-change-minor") 2020/03/13 08:51:33 magicsock.Conn: starting endpoint update (link-change-minor) 2020/03/13 08:51:33 magicsock.Conn.ReSTUN: endpoint update active, need another later ("link-change-minor") 2020/03/13 08:51:35 magicsock.Conn: starting endpoint update (link-change-minor) 2020/03/13 08:51:35 magicsock.Conn.ReSTUN: endpoint update active, need another later ("link-change-minor") Or, seen in another run: 2020/03/13 08:45:41 magicsock.Conn: starting endpoint update (periodic) 2020/03/13 08:46:09 magicsock.Conn: starting endpoint update (periodic) 2020/03/13 08:46:21 magicsock.Conn: starting endpoint update (link-change-major) 2020/03/13 08:46:37 magicsock.Conn: starting endpoint update (periodic) 2020/03/13 08:47:05 magicsock.Conn: starting endpoint update (periodic) Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	5 years ago
Brad Fitzpatrick	db31550854	wgengine: don't Reconfig on boring link changes ... Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	5 years ago
Brad Fitzpatrick	b9c6d3ceb8	netcheck: work behind UDP-blocked networks again, add tests ... Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	5 years ago
Brad Fitzpatrick	bc73dcf204	wgengine/magicsock: don't block in Send waiting for derphttp.Send ... Fixes #137 Updates #109 Updates #162 Updates #163 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	5 years ago
Brad Fitzpatrick	8807913be9	wgengine/magicsock: wait for previous DERP goroutines to end before new ones ... Updates #109 (hopefully fixes, will wait for graphs to be happy) Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	5 years ago
Brad Fitzpatrick	eff6dcdb4e	wgengine/magicsock: log more about why we're re-STUNing	5 years ago
Brad Fitzpatrick	b3ddf51a15	wgengine/magicsock: add a pointer value for logging ... Updates #109 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	5 years ago
Brad Fitzpatrick	b0f8931d26	wgengine/magicsock: make a test signature a bit more explicit	5 years ago
David Crawshaw	7ec54e0064	wgengine/magicsock: remove TODO ... The TODO above derphttp.NewClient suggests it does network I/O, but the derphttp client connects lazily and so creating one is very cheap. Signed-off-by: David Crawshaw <crawshaw@tailscale.com>	5 years ago
Brad Fitzpatrick	01b4bec33f	stunner: re-do how Stunner works ... It used to make assumptions based on having Anycast IPs that are super near. Now we're intentionally going to a bunch of different distant IPs to measure latency. Also, optimize how the hairpin detection works. No need to STUN on that socket. Just use that separate socket for sending, once we know the other UDP4 socket's endpoint. The trick is: make our test probe also a STUN packet, so it fits through magicsock's existing STUN routing. This drops netcheck from ~5 seconds to ~250-500ms. Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	5 years ago
David Anderson	77af7e5436	wgengine/magicsock: mark test logfunc as a helper. ... Signed-off-by: David Anderson <danderson@tailscale.com>	5 years ago
David Anderson	7eda3af034	wgengine/magicsock: clean up derp http servers on shutdown. ... Failure to do this leads to fd exhaustion at -count=10000, and increasingly poor execution north of -count=100. Signed-off-by: David Anderson <danderson@tailscale.com>	5 years ago
David Anderson	d651715528	wgengine/magicsock: synchronize test STUN shutdown. ... Failure to do so triggers either a data race or a panic in the testing package, due to racey use of t.Logf. Signed-off-by: David Anderson <danderson@tailscale.com>	5 years ago
David Anderson	86baf60bd4	wgengine/magicsock: synchronize epUpdate cleanup on shutdown. ... Signed-off-by: David Anderson <danderson@tailscale.com>	5 years ago
Brad Fitzpatrick	023df9239e	Move linkstate boring change filtering to magicsock ... So we can at least re-STUN on boring updates. Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	5 years ago
David Anderson	592fec7606	wgengine/magicsock: move device close to uncursed portion of test. ... Device close used to suffer from deadlocks, but no longer. Signed-off-by: David Anderson <danderson@tailscale.com>	5 years ago
Brad Fitzpatrick	a265d7cbff	wgengine/magicsock: in STUN-disabled test mode, let endpoint discovery proceed	5 years ago
Brad Fitzpatrick	5c1e443d34	wgengine/monitor: don't call LinkChange when interfaces look unchanged ... Basically, don't trust the OS-level link monitor to only tell you interesting things. Sanity check it. Also, move the interfaces package into the net directory now that we have it.	5 years ago
Brad Fitzpatrick	39c0ae1dba	derp/derpmap: new DERP config package, merge netcheck into magicsock more ... Fixes #153 Updates #162 Updates #163 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	5 years ago
Brad Fitzpatrick	4800926006	wgengine/magicsock: add AddrSet appendDests+UpdateDst tests	5 years ago
David Crawshaw	e201f63230	magicsock: unskip tests that are reliable ... Signed-off-by: David Crawshaw <crawshaw@tailscale.com>	5 years ago