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net/tstun, wgengine/magicsock: enable vectorized I/O on Linux (#6663)

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This commit updates the wireguard-go dependency and implements the
necessary changes to the tun.Device and conn.Bind implementations to
support passing vectors of packets in tailscaled. This significantly
improves throughput performance on Linux.

Updates #414

Signed-off-by: Jordan Whited <jordan@tailscale.com>
Signed-off-by: James Tucker <james@tailscale.com>
Co-authored-by: James Tucker <james@tailscale.com>
This commit is contained in:
Jordan Whited
2022-12-08 17:58:14 -08:00
committed by GitHub
parent 389238fe4a
commit 76389d8baf
14 changed files with 777 additions and 298 deletions
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3
net/tstun/tap_unsupported.go
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@ -6,5 +6,4 @@
package tstun
func (*Wrapper) handleTAPFrame([]byte) bool { panic("unreachable") }
func (*Wrapper) tapWrite([]byte, int) (int, error) { panic("unreachable") }
func (*Wrapper) handleTAPFrame([]byte) bool { panic("unreachable") }