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GSO/GRO offloads, with TCP+ECN and UDP support

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This commit is contained in:
JackDoan
2026-04-17 10:25:05 -05:00
parent 4b4331ba42
commit 6a46a2913a
60 changed files with 6915 additions and 283 deletions
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14
overlay/tun_tester.go
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@@ -30,7 +30,7 @@ type TestTun struct {
rxPackets chan []byte // Packets to receive into nebula
TxPackets chan []byte // Packets transmitted outside by nebula
batchRet [1][]byte
batchRet [1]tio.Packet
}
func newTun(c *config.C, l *slog.Logger, vpnNetworks []netip.Prefix, _ bool) (*TestTun, error) {
@@ -51,7 +51,9 @@ func newTun(c *config.C, l *slog.Logger, vpnNetworks []netip.Prefix, _ bool) (*T
l: l,
rxPackets: make(chan []byte, 10),
TxPackets: make(chan []byte, 10),
batchRet: [1][]byte{make([]byte, udp.MTU)},
batchRet: [1]tio.Packet{
tio.Packet{Bytes: make([]byte, udp.MTU)},
},
}, nil
}
@@ -166,13 +168,13 @@ func (t *TestTun) Close() error {
return nil
}
func (t *TestTun) Read() ([][]byte, error) {
t.batchRet[0] = t.batchRet[0][:udp.MTU]
n, err := t.read(t.batchRet[0])
func (t *TestTun) Read() ([]tio.Packet, error) {
t.batchRet[0].Bytes = t.batchRet[0].Bytes[:udp.MTU]
n, err := t.read(t.batchRet[0].Bytes)
if err != nil {
return nil, err
}
t.batchRet[0] = t.batchRet[0][:n]
t.batchRet[0].Bytes = t.batchRet[0].Bytes[:n]
return t.batchRet[:], nil
}