add new tcp.h socket options from linux v4.13
TCP_ULP is new in linux commit 734942cc4ea6478eed125af258da1bdbb4afe578
TCP_MD5SIG_EXT is new in 8917a777be3ba566377be05117f71b93a5fd909d
diff --git a/include/netinet/tcp.h b/include/netinet/tcp.h
index 652418b..4d20936 100644
--- a/include/netinet/tcp.h
+++ b/include/netinet/tcp.h
@@ -32,6 +32,8 @@
#define TCP_SAVED_SYN 28
#define TCP_REPAIR_WINDOW 29
#define TCP_FASTOPEN_CONNECT 30
+#define TCP_ULP 31
+#define TCP_MD5SIG_EXT 32
#define TCP_ESTABLISHED 1
#define TCP_SYN_SENT 2
@@ -207,11 +209,14 @@
#define TCP_MD5SIG_MAXKEYLEN 80
+#define TCP_MD5SIG_FLAG_PREFIX 1
+
struct tcp_md5sig {
struct sockaddr_storage tcpm_addr;
- uint16_t __tcpm_pad1;
+ uint8_t tcpm_flags;
+ uint8_t tcpm_prefixlen;
uint16_t tcpm_keylen;
- uint32_t __tcpm_pad2;
+ uint32_t __tcpm_pad;
uint8_t tcpm_key[TCP_MD5SIG_MAXKEYLEN];
};