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Jordan Whited 0926954cf5 net/tstun,wgengine/netstack: implement TCP GRO for local services (#13315 )

Throughput improves substantially when measured via netstack loopback
(TS_DEBUG_NETSTACK_LOOPBACK_PORT).

Before (d21ebc2):
jwhited@i5-12400-2:~$ iperf3 -V -c 100.100.100.100
Starting Test: protocol: TCP, 1 streams, 131072 byte blocks
Test Complete. Summary Results:
[ ID] Interval           Transfer     Bitrate         Retr
[  5]   0.00-10.00  sec  5.77 GBytes  4.95 Gbits/sec    0 sender
[  5]   0.00-10.01  sec  5.77 GBytes  4.95 Gbits/sec      receiver

After:
jwhited@i5-12400-2:~$ iperf3 -V -c 100.100.100.100
Starting Test: protocol: TCP, 1 streams, 131072 byte blocks
Test Complete. Summary Results:
[ ID] Interval           Transfer     Bitrate         Retr
[  5]   0.00-10.00  sec  12.7 GBytes  10.9 Gbits/sec    0 sender
[  5]   0.00-10.00  sec  12.7 GBytes  10.9 Gbits/sec      receiver

Updates tailscale/corp#22754

Signed-off-by: Jordan Whited <jordan@tailscale.com>

2024-08-29 11:37:48 -07:00

gro

wgengine/netstack/gro: exclude importation of gVisor GRO pkg on iOS (#13202 )

2024-08-20 16:40:10 -07:00

link_endpoint.go

net/tstun,wgengine{/netstack/gro}: refactor and re-enable gVisor GRO for Linux (#13172 )

2024-08-20 15:22:19 -07:00

netstack_linux.go

all: update copyright and license headers

2023-01-27 15:36:29 -08:00

netstack_tcpbuf_default.go

wgengine/netstack: increase gVisor's TCP send and receive buffer sizes (#12994 )