1TCP_NODELAY
2TCP_MAXSEG
3TCP_CORK
4TCP_KEEPIDLE
5TCP_KEEPINTVL
6TCP_KEEPCNT
7TCP_SYNCNT
8TCP_LINGER2
9TCP_DEFER_ACCEPT
10TCP_WINDOW_CLAMP
11TCP_INFO
12TCP_QUICKACK
13TCP_CONGESTION
14TCP_MD5SIG
15TCP_COOKIE_TRANSACTIONS
16TCP_THIN_LINEAR_TIMEOUTS
17TCP_THIN_DUPACK
18TCP_USER_TIMEOUT
19TCP_REPAIR
20TCP_REPAIR_QUEUE
21TCP_QUEUE_SEQ
22TCP_REPAIR_OPTIONS
23TCP_FASTOPEN
24TCP_TIMESTAMP
25TCP_NOTSENT_LOWAT
26TCP_CC_INFO
27TCP_SAVE_SYN
28TCP_SAVED_SYN
29TCP_REPAIR_WINDOW
30