tailscale

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Brad Fitzpatrick 9e0a5cc551 net/flowtrack: optimize Tuple type for use as map key

This gets UDP filter overhead closer to TCP. Still ~2x, but no longer ~3x.

    goos: darwin
    goarch: arm64
    pkg: tailscale.com/wgengine/filter
                                       │   before    │                after                │
                                       │   sec/op    │   sec/op     vs base                │
    FilterMatch/tcp-not-syn-v4-8         15.43n ± 3%   15.38n ± 5%        ~ (p=0.339 n=10)
    FilterMatch/udp-existing-flow-v4-8   42.45n ± 0%   34.77n ± 1%  -18.08% (p=0.000 n=10)
    geomean                              25.59n        23.12n        -9.65%

Updates #12486

Change-Id: I595cfadcc6b7234604bed9c4dd4261e087c0d4c4
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>

2024-06-18 21:31:48 -07:00

checksum

net/packet: split off checksum munging into different pkg

2023-10-11 14:25:58 -07:00

doc.go

all: update copyright and license headers

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

header.go

all: update copyright and license headers

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

icmp4.go

net/packet: allow more ICMP errors