rng-egd: remove redundant free

[qemu.git] / slirp / tcp.h

diff --git a/slirp/tcp.h b/slirp/tcp.h
index 82996031e0f894b99843d9592f5c4517cb6ac7f0..2e2b4033a6c9a2bc8b6e21cc0d58a398dc32ae92 100644 (file)
--- a/slirp/tcp.h
+++ b/slirp/tcp.h
@@ -79,20 +79,23 @@ struct tcphdr {
 #define        TCPOPT_EOL              0
 #define        TCPOPT_NOP              1
 #define        TCPOPT_MAXSEG           2
-#define    TCPOLEN_MAXSEG              4
 #define TCPOPT_WINDOW          3
-#define    TCPOLEN_WINDOW              3
 #define TCPOPT_SACK_PERMITTED  4               /* Experimental */
-#define    TCPOLEN_SACK_PERMITTED      2
 #define TCPOPT_SACK            5               /* Experimental */
 #define TCPOPT_TIMESTAMP       8
-#define    TCPOLEN_TIMESTAMP           10
-#define    TCPOLEN_TSTAMP_APPA         (TCPOLEN_TIMESTAMP+2) /* appendix A */
 
 #define TCPOPT_TSTAMP_HDR      \
     (TCPOPT_NOP<<24|TCPOPT_NOP<<16|TCPOPT_TIMESTAMP<<8|TCPOLEN_TIMESTAMP)
 #endif
 
+#ifndef TCPOLEN_MAXSEG
+#define    TCPOLEN_MAXSEG              4
+#define    TCPOLEN_WINDOW              3
+#define    TCPOLEN_SACK_PERMITTED      2
+#define    TCPOLEN_TIMESTAMP           10
+#define    TCPOLEN_TSTAMP_APPA         (TCPOLEN_TIMESTAMP+2) /* appendix A */
+#endif
+
 /*
  * Default maximum segment size for TCP.
  * With an IP MSS of 576, this is 536,