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Brad Fitzpatrick 7771ce4e58 wgengine/magicsock: delete Conn.UpdatePeers, derive peer state internally

[This commit is pulled out of a branch that ultimately removes the
wgcfg.Config.Peers field and removes all O(n peers) processing when
handling deltas]

magicsock.Conn.UpdatePeers existed so wgengine.Reconfig could tell
magicsock the set of WireGuard peers from cfg.Peers, used only to
garbage collect the derpRoute and peerLastDerp maps and to ReSTUN when
the first peers appear. magicsock already learns the full peer list
directly from LocalBackend via SetNetworkMap, UpsertPeer, and
RemovePeer, so do that bookkeeping there and delete the API and its
cfg.Peers use.

Updates #12542

Change-Id: Id07551fc1950239f08a73a9ab02d69ce78d0de0c
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>

2026-07-10 10:47:44 -07:00

bench

wgengine: replace Engine.SetNetworkMap with SetSelfNode

2026-06-24 15:03:55 -07:00

filter

all: fix more typos caused by unnecessary repetition

2026-07-06 10:36:17 +01:00

magicsock

wgengine/magicsock: delete Conn.UpdatePeers, derive peer state internally

2026-07-10 10:47:44 -07:00

netlog

wgengine/netlog: stop using netmap.NetworkMap type, use LocalBackend