conn,device: provide 8 free bytes at packet head to conn.Bind.Send()

This enables a conn.Bind to bring its own encapsulating transport, e.g.
VXLAN/Geneve.

Updates tailscale/corp#27502

Signed-off-by: Jordan Whited <jordan@tailscale.com>
This commit is contained in:
Jordan Whited 2025-05-30 13:14:43 -07:00 committed by Jordan Whited
parent 022546570f
commit 65cd6eed7d
10 changed files with 58 additions and 39 deletions

View file

@ -98,7 +98,7 @@ func Test_coalesceMessages(t *testing.T) {
msgs[i].Buffers = make([][]byte, 1)
msgs[i].OOB = make([]byte, 0, 2)
}
got := coalesceMessages(addr, &StdNetEndpoint{AddrPort: addr.AddrPort()}, tt.buffs, msgs, mockSetGSOSize)
got := coalesceMessages(addr, &StdNetEndpoint{AddrPort: addr.AddrPort()}, tt.buffs, 0, msgs, mockSetGSOSize)
if got != len(tt.wantLens) {
t.Fatalf("got len %d want: %d", got, len(tt.wantLens))
}