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-rw-r--r--sys/netinet/tcp.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/netinet/tcp.h b/sys/netinet/tcp.h
index e0133a7..0ba98b4 100644
--- a/sys/netinet/tcp.h
+++ b/sys/netinet/tcp.h
@@ -78,6 +78,8 @@ struct tcphdr {
#define TCPOPT_EOL 0
#define TCPOLEN_EOL 1
+#define TCPOPT_PAD 0 /* padding after EOL */
+#define TCPOLEN_PAD 1
#define TCPOPT_NOP 1
#define TCPOLEN_NOP 1
#define TCPOPT_MAXSEG 2
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