SchultesDev/wireguard-go
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device: move Queue{In,Out}boundElement Mutex to container type

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Queue{In,Out}boundElement locking can contribute to significant
overhead via sync.Mutex.lockSlow() in some environments. These types
are passed throughout the device package as elements in a slice, so
move the per-element Mutex to a container around the slice.

Reviewed-by: Maisem Ali <maisem@tailscale.com>
Signed-off-by: Jordan Whited <jordan@tailscale.com>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
This commit is contained in:
Jordan Whited
2023-10-02 14:48:28 -07:00
committed by Jason A. Donenfeld
parent 8a015f7c76
commit 1ec454f253
6 changed files with 121 additions and 111 deletions
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8
device/peer.go
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@@ -45,9 +45,9 @@ type Peer struct {
}
queue struct {
staged chan *[]*QueueOutboundElement // staged packets before a handshake is available
outbound *autodrainingOutboundQueue // sequential ordering of udp transmission
inbound *autodrainingInboundQueue // sequential ordering of tun writing
staged chan *QueueOutboundElementsContainer // staged packets before a handshake is available
outbound *autodrainingOutboundQueue // sequential ordering of udp transmission
inbound *autodrainingInboundQueue // sequential ordering of tun writing
}
cookieGenerator CookieGenerator
@@ -81,7 +81,7 @@ func (device *Device) NewPeer(pk NoisePublicKey) (*Peer, error) {
peer.device = device
peer.queue.outbound = newAutodrainingOutboundQueue(device)
peer.queue.inbound = newAutodrainingInboundQueue(device)
peer.queue.staged = make(chan *[]*QueueOutboundElement, QueueStagedSize)
peer.queue.staged = make(chan *QueueOutboundElementsContainer, QueueStagedSize)
// map public key
_, ok := device.peers.keyMap[pk]