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tailscale/wgengine
James Tucker 6cfcb3cae4 wgengine/magicsock: fix synchronization of endpoint disco fields
Identified in review in #7821 endpoint.discoKey and endpoint.discoShort
are often accessed without first taking endpoint.mu. The arrangement
with endpoint.mu is inconvenient for a good number of those call-sites,
so it is instead replaced with an atomic pointer to carry both pieces of
disco info. This will also help with #7821 that wants to add explicit
checks/guards to disable disco behaviors when disco keys are missing
which is necessarily implicitly mostly covered by this change.

Updates #7821

Signed-off-by: James Tucker <james@tailscale.com>
2 years ago
..
bench all: update copyright and license headers 2 years ago
capture net, wgengine/capture: encode NAT addresses in pcap stream 2 years ago
filter all: use tstest.Replace more 2 years ago
magicsock wgengine/magicsock: fix synchronization of endpoint disco fields 2 years ago
monitor net/sockstats: remove explicit dependency on wgengine/monitor 2 years ago
netlog sockstats: add labels for netlog and sockstatlog packages 2 years ago
netstack envknob,net/tstun,wgengine: use TS_DEBUG_MTU consistently 2 years ago
router envknob,net/tstun,wgengine: use TS_DEBUG_MTU consistently 2 years ago
wgcfg net/tstun,wgengine/*: add support for NAT to routes 2 years ago
wgint all: update copyright and license headers 2 years ago
wglog all: update copyright and license headers 2 years ago
winnet all: update copyright and license headers 2 years ago
mem_ios.go all: update copyright and license headers 2 years ago
pendopen.go all: update copyright and license headers 2 years ago
userspace.go net/tstun,wgengine/*: add support for NAT to routes 2 years ago
userspace_ext_test.go all: update copyright and license headers 2 years ago
userspace_test.go all: update copyright and license headers 2 years ago
watchdog.go wgengine: start logging DISCO frames to pcap stream 2 years ago
watchdog_js.go all: update copyright and license headers 2 years ago
watchdog_test.go all: update copyright and license headers 2 years ago
wgengine.go wgengine: start logging DISCO frames to pcap stream 2 years ago