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Taking into account TCP and IP header

The MTU consists of TCP header, IP header and the payload.
In the former fix, this was not taken into account.
mustermeiszer 4 лет назад
Родитель
Сommit
b767861998
1 измененных файлов с 1 добавлено и 1 удалено
  1. 1 1
      src/socket/tcp.rs

+ 1 - 1
src/socket/tcp.rs

@@ -1559,7 +1559,7 @@ impl<'a> TcpSocket<'a> {
                 // from the transmit buffer.
                 let offset = self.remote_last_seq - self.local_seq_no;
                 let size = cmp::min(cmp::min(self.remote_win_len, self.remote_mss),
-                     caps.max_transmission_unit);
+                     caps.max_transmission_unit - ip_repr.buffer_len() - repr.mss_header_len());
                 repr.payload = self.tx_buffer.get_allocated(offset, size);
                 // If we've sent everything we had in the buffer, follow it with the PSH or FIN
                 // flags, depending on whether the transmit half of the connection is open.