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Move all of tun into overlay (#577)

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This commit is contained in:
Nate Brown
2021-11-11 16:37:29 -06:00
committed by GitHub
parent 88ce0edf76
commit e07524a654
18 changed files with 203 additions and 186 deletions
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34
overlay/tun_linux_test.go Normal file
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@ -0,0 +1,34 @@
//go:build !e2e_testing
// +build !e2e_testing
package overlay
import "testing"
var runAdvMSSTests = []struct {
name string
tun Tun
r Route
expected int
}{
// Standard case, default MTU is the device max MTU
{"default", Tun{DefaultMTU: 1440, MaxMTU: 1440}, Route{}, 0},
{"default-min", Tun{DefaultMTU: 1440, MaxMTU: 1440}, Route{MTU: 1440}, 0},
{"default-low", Tun{DefaultMTU: 1440, MaxMTU: 1440}, Route{MTU: 1200}, 1160},
// Case where we have a route MTU set higher than the default
{"route", Tun{DefaultMTU: 1440, MaxMTU: 8941}, Route{}, 1400},
{"route-min", Tun{DefaultMTU: 1440, MaxMTU: 8941}, Route{MTU: 1440}, 1400},
{"route-high", Tun{DefaultMTU: 1440, MaxMTU: 8941}, Route{MTU: 8941}, 0},
}
func TestTunAdvMSS(t *testing.T) {
for _, tt := range runAdvMSSTests {
t.Run(tt.name, func(t *testing.T) {
o := tt.tun.advMSS(tt.r)
if o != tt.expected {
t.Errorf("got %d, want %d", o, tt.expected)
}
})
}
}