#value_indexed
TCP_NODELAY			1
TCP_MAXSEG			2
TCP_CORK			3
TCP_KEEPIDLE			4
TCP_KEEPINTVL			5
TCP_KEEPCNT			6
TCP_SYNCNT			7
TCP_LINGER2			8
TCP_DEFER_ACCEPT		9
TCP_WINDOW_CLAMP		10
TCP_INFO			11
TCP_QUICKACK			12
TCP_CONGESTION			13
TCP_MD5SIG			14
TCP_COOKIE_TRANSACTIONS		15
TCP_THIN_LINEAR_TIMEOUTS	16
TCP_THIN_DUPACK			17
TCP_USER_TIMEOUT		18
TCP_REPAIR			19
TCP_REPAIR_QUEUE		20
TCP_QUEUE_SEQ			21
TCP_REPAIR_OPTIONS		22
TCP_FASTOPEN			23
TCP_TIMESTAMP			24
TCP_NOTSENT_LOWAT		25
TCP_CC_INFO			26
TCP_SAVE_SYN			27
TCP_SAVED_SYN			28
TCP_REPAIR_WINDOW		29
TCP_FASTOPEN_CONNECT		30
TCP_ULP				31
TCP_MD5SIG_EXT			32
TCP_FASTOPEN_KEY		33
TCP_FASTOPEN_NO_COOKIE		34
TCP_ZEROCOPY_RECEIVE		35
TCP_INQ				36