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-rw-r--r--sysdep/linux/sysio.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/sysdep/linux/sysio.h b/sysdep/linux/sysio.h
index 3a29cdc..b0aff71 100644
--- a/sysdep/linux/sysio.h
+++ b/sysdep/linux/sysio.h
@@ -139,3 +139,24 @@ static inline char *sysio_mcast_join(sock *s)
#endif
#endif
+
+#include <linux/socket.h>
+#include <linux/tcp.h>
+
+/* For the case that we have older kernel headers */
+/* Copied from Linux kernel file include/linux/tcp.h */
+
+#ifndef TCP_MD5SIG
+
+#define TCP_MD5SIG 14
+#define TCP_MD5SIG_MAXKEYLEN 80
+
+struct tcp_md5sig {
+ struct __kernel_sockaddr_storage tcpm_addr; /* address associated */
+ __u16 __tcpm_pad1; /* zero */
+ __u16 tcpm_keylen; /* key length */
+ __u32 __tcpm_pad2; /* zero */
+ __u8 tcpm_key[TCP_MD5SIG_MAXKEYLEN]; /* key (binary) */
+};
+
+#endif