commit 6651ef1f060738ee1f50cac1fe6d8ce64c359022
author Szabolcs Nagy <nsz@port70.net> Tue Sep 12 22:14:24 2017
committer Rich Felker <dalias@aerifal.cx> Sun Nov 05 23:41:26 2017
tree 8a428351141663398394e6ac24adf1c111d891d9
parent 14ced22830ef6cbf8e2526d3131c2b443c3f57dd

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

include/netinet/tcp.h

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];
 };