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Group the HostInfo fields the packet paths touch

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This commit is contained in:
Nate Brown
2026-07-23 15:25:27 -05:00
parent c07f28cd04
commit 35ac12b0c0
1 changed files with 12 additions and 7 deletions
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hostmap.go
+10 -5
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@@ -238,18 +238,26 @@ const (
) )
type HostInfo struct { type HostInfo struct {
// The first cache line is everything the packet paths touch.
remote atomic.Pointer[netip.AddrPort] remote atomic.Pointer[netip.AddrPort]
remotes *RemoteList
promoteCounter atomic.Uint32
ConnectionState *ConnectionState ConnectionState *ConnectionState
// Traffic bits, pendingDeletion, and the rebind epoch we last sent under
state atomic.Uint32
promoteCounter atomic.Uint32
remoteIndexId uint32 remoteIndexId uint32
localIndexId uint32 localIndexId uint32
remotes *RemoteList
// vpnAddrs is a list of vpn addresses assigned to this host that are within our own vpn networks // vpnAddrs is a list of vpn addresses assigned to this host that are within our own vpn networks
// The host may have other vpn addresses that are outside our // The host may have other vpn addresses that are outside our
// vpn networks but were removed because they are not usable // vpn networks but were removed because they are not usable
vpnAddrs []netip.Addr vpnAddrs []netip.Addr
// Everything below is off the packet path: handshakes, relays, roaming and the connection manager.
// networks is a combination of specific vpn addresses (not prefixes!) and full unsafe networks assigned to this host. // networks is a combination of specific vpn addresses (not prefixes!) and full unsafe networks assigned to this host.
networks *bart.Table[NetworkType] networks *bart.Table[NetworkType]
relayState RelayState relayState RelayState
@@ -270,9 +278,6 @@ type HostInfo struct {
lastRoam time.Time lastRoam time.Time
lastRoamRemote netip.AddrPort lastRoamRemote netip.AddrPort
// Traffic bits, pendingDeletion, and the rebind epoch we last sent under
state atomic.Uint32
// lastUsed tracks the last time ConnectionManager checked the tunnel and it was in use. // lastUsed tracks the last time ConnectionManager checked the tunnel and it was in use.
// This value will be behind against actual tunnel utilization in the hot path. // This value will be behind against actual tunnel utilization in the hot path.
// This should only be used by the ConnectionManagers ticker routine. // This should only be used by the ConnectionManagers ticker routine.