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Data Structures
struct	TCPOpt_

struct	TCPOptSackRecord_

struct	TCPHdr_

struct	TCPVars_

Macros
#define	TCP_HEADER_LEN 20

#define	TCP_OPTLENMAX 40

#define	TCP_OPTMAX

#define	TH_FIN 0x01

#define	TH_SYN 0x02

#define	TH_RST 0x04

#define	TH_PUSH 0x08

#define	TH_ACK 0x10

#define	TH_URG 0x20

#define	TH_ECN 0x40

#define	TH_CWR 0x80

#define	TCP_OPT_EOL 0x00

#define	TCP_OPT_NOP 0x01

#define	TCP_OPT_MSS 0x02

#define	TCP_OPT_WS 0x03

#define	TCP_OPT_SACKOK 0x04

#define	TCP_OPT_SACK 0x05

#define	TCP_OPT_TS 0x08

#define	TCP_OPT_TFO 0x22 /* TCP Fast Open */

#define	TCP_OPT_EXP1 0xfd /* Experimental, could be TFO */

#define	TCP_OPT_EXP2 0xfe /* Experimental, could be TFO */

#define	TCP_OPT_SACKOK_LEN 2

#define	TCP_OPT_WS_LEN 3

#define	TCP_OPT_TS_LEN 10

#define	TCP_OPT_MSS_LEN 4

#define	TCP_OPT_SACK_MIN_LEN 10 /* hdr 2, 1 pair 8 = 10 */

#define	TCP_OPT_SACK_MAX_LEN 34 /* hdr 2, 4 pair 32= 34 */

#define	TCP_OPT_TFO_MIN_LEN 6 /* kind, len, 6 */

#define	TCP_OPT_TFO_MAX_LEN 20 /* kind, len, 18 */

#define	TCP_WSCALE_MAX 14

#define	TCP_GET_RAW_OFFSET(tcph) (((tcph)->th_offx2 & 0xf0) >> 4)

#define	TCP_GET_RAW_X2(tcph) (unsigned char)((tcph)->th_offx2 & 0x0f)

#define	TCP_GET_RAW_SRC_PORT(tcph) SCNtohs((tcph)->th_sport)

#define	TCP_GET_RAW_DST_PORT(tcph) SCNtohs((tcph)->th_dport)

#define	TCP_SET_RAW_TCP_OFFSET(tcph, value) ((tcph)->th_offx2 = (unsigned char)(((tcph)->th_offx2 & 0x0f) \| (value << 4)))

#define	TCP_SET_RAW_TCP_X2(tcph, value) ((tcph)->th_offx2 = (unsigned char)(((tcph)->th_offx2 & 0xf0) \| (value & 0x0f)))

#define	TCP_GET_RAW_SEQ(tcph) SCNtohl((tcph)->th_seq)

#define	TCP_GET_RAW_ACK(tcph) SCNtohl((tcph)->th_ack)

#define	TCP_GET_RAW_WINDOW(tcph) SCNtohs((tcph)->th_win)

#define	TCP_GET_RAW_URG_POINTER(tcph) SCNtohs((tcph)->th_urp)

#define	TCP_GET_RAW_SUM(tcph) SCNtohs((tcph)->th_sum)

#define	TCP_GET_TSVAL(p) ((p)->tcpvars.ts_val)

#define	TCP_GET_TSECR(p) ((p)->tcpvars.ts_ecr)

#define	TCP_HAS_WSCALE(p) ((p)->tcpvars.ws.type == TCP_OPT_WS)

#define	TCP_HAS_SACK(p) ((p)->tcpvars.sack.type == TCP_OPT_SACK)

#define	TCP_HAS_SACKOK(p) ((p)->tcpvars.sackok.type == TCP_OPT_SACKOK)

#define	TCP_HAS_TS(p) ((p)->tcpvars.ts_set == TRUE)

#define	TCP_HAS_MSS(p) ((p)->tcpvars.mss.type == TCP_OPT_MSS)

#define	TCP_HAS_TFO(p) ((p)->tcpvars.tfo.type == TCP_OPT_TFO)

#define	TCP_GET_WSCALE(p)

#define	TCP_GET_SACKOK(p) (TCP_HAS_SACKOK((p)) ? 1 : 0)

#define	TCP_GET_SACK_PTR(p) TCP_HAS_SACK((p)) ? (p)->tcpvars.sack.data : NULL

#define	TCP_GET_SACK_CNT(p) (TCP_HAS_SACK((p)) ? (((p)->tcpvars.sack.len - 2) / 8) : 0)

#define	TCP_GET_MSS(p) SCNtohs((uint16_t )((p)->tcpvars.mss.data))

#define	TCP_GET_OFFSET(p) TCP_GET_RAW_OFFSET((p)->tcph)

#define	TCP_GET_X2(p) TCP_GET_RAW_X2((p)->tcph)

#define	TCP_GET_HLEN(p) (TCP_GET_OFFSET((p)) << 2)

#define	TCP_GET_SRC_PORT(p) TCP_GET_RAW_SRC_PORT((p)->tcph)

#define	TCP_GET_DST_PORT(p) TCP_GET_RAW_DST_PORT((p)->tcph)

#define	TCP_GET_SEQ(p) TCP_GET_RAW_SEQ((p)->tcph)

#define	TCP_GET_ACK(p) TCP_GET_RAW_ACK((p)->tcph)

#define	TCP_GET_WINDOW(p) TCP_GET_RAW_WINDOW((p)->tcph)

#define	TCP_GET_URG_POINTER(p) TCP_GET_RAW_URG_POINTER((p)->tcph)

#define	TCP_GET_SUM(p) TCP_GET_RAW_SUM((p)->tcph)

#define	TCP_GET_FLAGS(p) (p)->tcph->th_flags

#define	TCP_ISSET_FLAG_FIN(p) ((p)->tcph->th_flags & TH_FIN)

#define	TCP_ISSET_FLAG_SYN(p) ((p)->tcph->th_flags & TH_SYN)

#define	TCP_ISSET_FLAG_RST(p) ((p)->tcph->th_flags & TH_RST)

#define	TCP_ISSET_FLAG_PUSH(p) ((p)->tcph->th_flags & TH_PUSH)

#define	TCP_ISSET_FLAG_ACK(p) ((p)->tcph->th_flags & TH_ACK)

#define	TCP_ISSET_FLAG_URG(p) ((p)->tcph->th_flags & TH_URG)

#define	TCP_ISSET_FLAG_RES2(p) ((p)->tcph->th_flags & TH_RES2)

#define	TCP_ISSET_FLAG_RES1(p) ((p)->tcph->th_flags & TH_RES1)

#define	CLEAR_TCP_PACKET(p)

Typedefs
typedef struct TCPOpt_	TCPOpt

typedef struct TCPOptSackRecord_	TCPOptSackRecord

typedef struct TCPVars_	TCPVars

Functions
struct TCPHdr_	__attribute__ ((__packed__)) TCPHdr
	DNP3 link header. More...

void	DecodeTCPRegisterTests (void)

Variables
uint16_t	th_sport

uint16_t	th_dport

uint32_t	th_seq

uint32_t	th_ack

uint8_t	th_offx2

uint8_t	th_flags

uint16_t	th_win

uint16_t	th_sum

uint16_t	th_urp

Detailed Description

Author: Victor Julien victo.nosp@m.r@in.nosp@m.linia.nosp@m.c.ne.nosp@m.t

Todo:: RAW* macro's should be returning the raw value, not the host order

Definition in file decode-tcp.h.

Macro Definition Documentation

◆ CLEAR_TCP_PACKET

#define CLEAR_TCP_PACKET ( p )

Value:

    {   \
    (p)->level4_comp_csum = -1; \
    PACKET_CLEAR_L4VARS((p));   \
    (p)->tcph = NULL;           \
}

Definition at line 165 of file decode-tcp.h.

◆ TCP_GET_ACK

#define TCP_GET_ACK ( p ) TCP_GET_RAW_ACK((p)->tcph)

Definition at line 113 of file decode-tcp.h.

◆ TCP_GET_DST_PORT

#define TCP_GET_DST_PORT ( p ) TCP_GET_RAW_DST_PORT((p)->tcph)

Definition at line 111 of file decode-tcp.h.

◆ TCP_GET_FLAGS

#define TCP_GET_FLAGS ( p ) (p)->tcph->th_flags

Definition at line 117 of file decode-tcp.h.

◆ TCP_GET_HLEN

#define TCP_GET_HLEN ( p ) (TCP_GET_OFFSET((p)) << 2)

Definition at line 109 of file decode-tcp.h.

◆ TCP_GET_MSS

#define TCP_GET_MSS ( p ) SCNtohs(*(uint16_t *)((p)->tcpvars.mss.data))

Definition at line 105 of file decode-tcp.h.

◆ TCP_GET_OFFSET

#define TCP_GET_OFFSET ( p ) TCP_GET_RAW_OFFSET((p)->tcph)

Definition at line 107 of file decode-tcp.h.

◆ TCP_GET_RAW_ACK

#define TCP_GET_RAW_ACK ( tcph ) SCNtohl((tcph)->th_ack)

Definition at line 78 of file decode-tcp.h.

◆ TCP_GET_RAW_DST_PORT

#define TCP_GET_RAW_DST_PORT ( tcph ) SCNtohs((tcph)->th_dport)

Definition at line 72 of file decode-tcp.h.

◆ TCP_GET_RAW_OFFSET

#define TCP_GET_RAW_OFFSET ( tcph ) (((tcph)->th_offx2 & 0xf0) >> 4)

Definition at line 69 of file decode-tcp.h.

◆ TCP_GET_RAW_SEQ

#define TCP_GET_RAW_SEQ ( tcph ) SCNtohl((tcph)->th_seq)

Definition at line 77 of file decode-tcp.h.

◆ TCP_GET_RAW_SRC_PORT

#define TCP_GET_RAW_SRC_PORT ( tcph ) SCNtohs((tcph)->th_sport)

Definition at line 71 of file decode-tcp.h.

◆ TCP_GET_RAW_SUM

#define TCP_GET_RAW_SUM ( tcph ) SCNtohs((tcph)->th_sum)

Definition at line 82 of file decode-tcp.h.

◆ TCP_GET_RAW_URG_POINTER

#define TCP_GET_RAW_URG_POINTER ( tcph ) SCNtohs((tcph)->th_urp)

Definition at line 81 of file decode-tcp.h.

◆ TCP_GET_RAW_WINDOW

#define TCP_GET_RAW_WINDOW ( tcph ) SCNtohs((tcph)->th_win)

Definition at line 80 of file decode-tcp.h.

◆ TCP_GET_RAW_X2

#define TCP_GET_RAW_X2 ( tcph ) (unsigned char)((tcph)->th_offx2 & 0x0f)

Definition at line 70 of file decode-tcp.h.

◆ TCP_GET_SACK_CNT

#define TCP_GET_SACK_CNT ( p ) (TCP_HAS_SACK((p)) ? (((p)->tcpvars.sack.len - 2) / 8) : 0)

Definition at line 104 of file decode-tcp.h.

◆ TCP_GET_SACK_PTR

#define TCP_GET_SACK_PTR ( p ) TCP_HAS_SACK((p)) ? (p)->tcpvars.sack.data : NULL

Definition at line 103 of file decode-tcp.h.

◆ TCP_GET_SACKOK

#define TCP_GET_SACKOK ( p ) (TCP_HAS_SACKOK((p)) ? 1 : 0)

Definition at line 102 of file decode-tcp.h.

◆ TCP_GET_SEQ

#define TCP_GET_SEQ ( p ) TCP_GET_RAW_SEQ((p)->tcph)

Definition at line 112 of file decode-tcp.h.

◆ TCP_GET_SRC_PORT

#define TCP_GET_SRC_PORT ( p ) TCP_GET_RAW_SRC_PORT((p)->tcph)

Definition at line 110 of file decode-tcp.h.

◆ TCP_GET_SUM

#define TCP_GET_SUM ( p ) TCP_GET_RAW_SUM((p)->tcph)

Definition at line 116 of file decode-tcp.h.

◆ TCP_GET_TSECR

#define TCP_GET_TSECR ( p ) ((p)->tcpvars.ts_ecr)

macro for getting the second timestamp from the packet in host order.

Definition at line 88 of file decode-tcp.h.

◆ TCP_GET_TSVAL

#define TCP_GET_TSVAL ( p ) ((p)->tcpvars.ts_val)

macro for getting the first timestamp from the packet in host order

Definition at line 85 of file decode-tcp.h.

◆ TCP_GET_URG_POINTER

#define TCP_GET_URG_POINTER ( p ) TCP_GET_RAW_URG_POINTER((p)->tcph)

Definition at line 115 of file decode-tcp.h.

◆ TCP_GET_WINDOW

#define TCP_GET_WINDOW ( p ) TCP_GET_RAW_WINDOW((p)->tcph)

Definition at line 114 of file decode-tcp.h.

◆ TCP_GET_WSCALE

#define TCP_GET_WSCALE ( p )

Value:

                                                (TCP_HAS_WSCALE((p)) ? \
                                                (((*(uint8_t *)(p)->tcpvars.ws.data) <= TCP_WSCALE_MAX) ? \
                                                  (*(uint8_t *)((p)->tcpvars.ws.data)) : 0) : 0)

macro for getting the wscale from the packet.

Definition at line 98 of file decode-tcp.h.

◆ TCP_GET_X2

#define TCP_GET_X2 ( p ) TCP_GET_RAW_X2((p)->tcph)

Definition at line 108 of file decode-tcp.h.

◆ TCP_HAS_MSS

#define TCP_HAS_MSS ( p ) ((p)->tcpvars.mss.type == TCP_OPT_MSS)

Definition at line 94 of file decode-tcp.h.

◆ TCP_HAS_SACK

#define TCP_HAS_SACK ( p ) ((p)->tcpvars.sack.type == TCP_OPT_SACK)

Definition at line 91 of file decode-tcp.h.

◆ TCP_HAS_SACKOK

#define TCP_HAS_SACKOK ( p ) ((p)->tcpvars.sackok.type == TCP_OPT_SACKOK)

Definition at line 92 of file decode-tcp.h.

◆ TCP_HAS_TFO

#define TCP_HAS_TFO ( p ) ((p)->tcpvars.tfo.type == TCP_OPT_TFO)

Definition at line 95 of file decode-tcp.h.

◆ TCP_HAS_TS

#define TCP_HAS_TS ( p ) ((p)->tcpvars.ts_set == TRUE)

Definition at line 93 of file decode-tcp.h.

◆ TCP_HAS_WSCALE

#define TCP_HAS_WSCALE ( p ) ((p)->tcpvars.ws.type == TCP_OPT_WS)

Definition at line 90 of file decode-tcp.h.

◆ TCP_HEADER_LEN

#define TCP_HEADER_LEN 20

Definition at line 28 of file decode-tcp.h.

◆ TCP_ISSET_FLAG_ACK

#define TCP_ISSET_FLAG_ACK ( p ) ((p)->tcph->th_flags & TH_ACK)

Definition at line 123 of file decode-tcp.h.

◆ TCP_ISSET_FLAG_FIN

#define TCP_ISSET_FLAG_FIN ( p ) ((p)->tcph->th_flags & TH_FIN)

Definition at line 119 of file decode-tcp.h.

◆ TCP_ISSET_FLAG_PUSH

#define TCP_ISSET_FLAG_PUSH ( p ) ((p)->tcph->th_flags & TH_PUSH)

Definition at line 122 of file decode-tcp.h.

◆ TCP_ISSET_FLAG_RES1

#define TCP_ISSET_FLAG_RES1 ( p ) ((p)->tcph->th_flags & TH_RES1)

Definition at line 126 of file decode-tcp.h.

◆ TCP_ISSET_FLAG_RES2

#define TCP_ISSET_FLAG_RES2 ( p ) ((p)->tcph->th_flags & TH_RES2)

Definition at line 125 of file decode-tcp.h.

◆ TCP_ISSET_FLAG_RST

#define TCP_ISSET_FLAG_RST ( p ) ((p)->tcph->th_flags & TH_RST)

Definition at line 121 of file decode-tcp.h.

◆ TCP_ISSET_FLAG_SYN

#define TCP_ISSET_FLAG_SYN ( p ) ((p)->tcph->th_flags & TH_SYN)

Definition at line 120 of file decode-tcp.h.

◆ TCP_ISSET_FLAG_URG

#define TCP_ISSET_FLAG_URG ( p ) ((p)->tcph->th_flags & TH_URG)

Definition at line 124 of file decode-tcp.h.

◆ TCP_OPT_EOL

#define TCP_OPT_EOL 0x00

Definition at line 46 of file decode-tcp.h.

◆ TCP_OPT_EXP1

#define TCP_OPT_EXP1 0xfd /* Experimental, could be TFO */

Definition at line 54 of file decode-tcp.h.

◆ TCP_OPT_EXP2

#define TCP_OPT_EXP2 0xfe /* Experimental, could be TFO */

Definition at line 55 of file decode-tcp.h.

◆ TCP_OPT_MSS

#define TCP_OPT_MSS 0x02

Definition at line 48 of file decode-tcp.h.

◆ TCP_OPT_MSS_LEN

#define TCP_OPT_MSS_LEN 4

Definition at line 60 of file decode-tcp.h.

◆ TCP_OPT_NOP

#define TCP_OPT_NOP 0x01

Definition at line 47 of file decode-tcp.h.

◆ TCP_OPT_SACK

#define TCP_OPT_SACK 0x05

Definition at line 51 of file decode-tcp.h.

◆ TCP_OPT_SACK_MAX_LEN

#define TCP_OPT_SACK_MAX_LEN 34 /* hdr 2, 4 pair 32= 34 */

Definition at line 62 of file decode-tcp.h.

◆ TCP_OPT_SACK_MIN_LEN

#define TCP_OPT_SACK_MIN_LEN 10 /* hdr 2, 1 pair 8 = 10 */

Definition at line 61 of file decode-tcp.h.

◆ TCP_OPT_SACKOK

#define TCP_OPT_SACKOK 0x04

Definition at line 50 of file decode-tcp.h.

◆ TCP_OPT_SACKOK_LEN

#define TCP_OPT_SACKOK_LEN 2

Definition at line 57 of file decode-tcp.h.

◆ TCP_OPT_TFO

#define TCP_OPT_TFO 0x22 /* TCP Fast Open */

Definition at line 53 of file decode-tcp.h.

◆ TCP_OPT_TFO_MAX_LEN

#define TCP_OPT_TFO_MAX_LEN 20 /* kind, len, 18 */

Definition at line 64 of file decode-tcp.h.

◆ TCP_OPT_TFO_MIN_LEN

#define TCP_OPT_TFO_MIN_LEN 6 /* kind, len, 6 */

Definition at line 63 of file decode-tcp.h.

◆ TCP_OPT_TS

#define TCP_OPT_TS 0x08

Definition at line 52 of file decode-tcp.h.

◆ TCP_OPT_TS_LEN

#define TCP_OPT_TS_LEN 10

Definition at line 59 of file decode-tcp.h.

◆ TCP_OPT_WS

#define TCP_OPT_WS 0x03

Definition at line 49 of file decode-tcp.h.

◆ TCP_OPT_WS_LEN

#define TCP_OPT_WS_LEN 3

Definition at line 58 of file decode-tcp.h.

◆ TCP_OPTLENMAX

#define TCP_OPTLENMAX 40

Definition at line 29 of file decode-tcp.h.

◆ TCP_OPTMAX

#define TCP_OPTMAX

Value:

20 /* every opt is at least 2 bytes

* (type + len), except EOL and NOP */

Definition at line 30 of file decode-tcp.h.

◆ TCP_SET_RAW_TCP_OFFSET

#define TCP_SET_RAW_TCP_OFFSET	(	tcph,
		value
	)	((tcph)->th_offx2 = (unsigned char)(((tcph)->th_offx2 & 0x0f) \| (value << 4)))

Definition at line 74 of file decode-tcp.h.

◆ TCP_SET_RAW_TCP_X2

#define TCP_SET_RAW_TCP_X2	(	tcph,
		value
	)	((tcph)->th_offx2 = (unsigned char)(((tcph)->th_offx2 & 0xf0) \| (value & 0x0f)))

Definition at line 75 of file decode-tcp.h.

◆ TCP_WSCALE_MAX

#define TCP_WSCALE_MAX 14

Max valid wscale value.

Definition at line 67 of file decode-tcp.h.

◆ TH_ACK

#define TH_ACK 0x10

Definition at line 38 of file decode-tcp.h.

◆ TH_CWR

#define TH_CWR 0x80

Echo Congestion flag

Definition at line 43 of file decode-tcp.h.

◆ TH_ECN

#define TH_ECN 0x40

Establish a new connection reducing window

Definition at line 41 of file decode-tcp.h.

◆ TH_FIN

#define TH_FIN 0x01

Definition at line 34 of file decode-tcp.h.

◆ TH_PUSH

#define TH_PUSH 0x08

Definition at line 37 of file decode-tcp.h.

◆ TH_RST

#define TH_RST 0x04

Definition at line 36 of file decode-tcp.h.

◆ TH_SYN

#define TH_SYN 0x02

Definition at line 35 of file decode-tcp.h.

◆ TH_URG

#define TH_URG 0x20

Definition at line 39 of file decode-tcp.h.

Typedef Documentation

◆ TCPOpt

typedef struct TCPOpt_ TCPOpt

◆ TCPOptSackRecord

typedef struct TCPOptSackRecord_ TCPOptSackRecord

◆ TCPVars

typedef struct TCPVars_ TCPVars

Function Documentation

◆ DecodeTCPRegisterTests()

void DecodeTCPRegisterTests ( void )

Definition at line 553 of file decode-tcp.c.

References UtRegisterTest().

Here is the call graph for this function:

Variable Documentation

◆ th_ack

uint32_t th_ack

acknowledgement number

Definition at line 5 of file decode-tcp.h.

◆ th_dport

uint16_t th_dport

destination port

Definition at line 3 of file decode-tcp.h.

◆ th_flags

uint8_t th_flags

pkt flags

Definition at line 7 of file decode-tcp.h.

◆ th_offx2

uint8_t th_offx2

offset and reserved

Definition at line 6 of file decode-tcp.h.

◆ th_seq

uint32_t th_seq

sequence number

Definition at line 4 of file decode-tcp.h.

◆ th_sport

uint16_t th_sport

source port

Definition at line 2 of file decode-tcp.h.

◆ th_sum

uint16_t th_sum

checksum

Definition at line 9 of file decode-tcp.h.

◆ th_urp

uint16_t th_urp

urgent pointer

Definition at line 10 of file decode-tcp.h.

◆ th_win

uint16_t th_win

pkt window

Definition at line 8 of file decode-tcp.h.

Data Structures

Macros

Typedefs

Functions

Variables

Detailed Description

Macro Definition Documentation

◆ CLEAR_TCP_PACKET

◆ TCP_GET_ACK

◆ TCP_GET_DST_PORT

◆ TCP_GET_FLAGS

◆ TCP_GET_HLEN

◆ TCP_GET_MSS

◆ TCP_GET_OFFSET

◆ TCP_GET_RAW_ACK

◆ TCP_GET_RAW_DST_PORT

◆ TCP_GET_RAW_OFFSET

◆ TCP_GET_RAW_SEQ

◆ TCP_GET_RAW_SRC_PORT

◆ TCP_GET_RAW_SUM

◆ TCP_GET_RAW_URG_POINTER

◆ TCP_GET_RAW_WINDOW

◆ TCP_GET_RAW_X2

◆ TCP_GET_SACK_CNT

◆ TCP_GET_SACK_PTR

◆ TCP_GET_SACKOK

◆ TCP_GET_SEQ

◆ TCP_GET_SRC_PORT

◆ TCP_GET_SUM

◆ TCP_GET_TSECR

◆ TCP_GET_TSVAL

◆ TCP_GET_URG_POINTER

◆ TCP_GET_WINDOW

◆ TCP_GET_WSCALE

◆ TCP_GET_X2

◆ TCP_HAS_MSS

◆ TCP_HAS_SACK

◆ TCP_HAS_SACKOK

◆ TCP_HAS_TFO

◆ TCP_HAS_TS

◆ TCP_HAS_WSCALE

◆ TCP_HEADER_LEN

◆ TCP_ISSET_FLAG_ACK

◆ TCP_ISSET_FLAG_FIN

◆ TCP_ISSET_FLAG_PUSH

◆ TCP_ISSET_FLAG_RES1

◆ TCP_ISSET_FLAG_RES2

◆ TCP_ISSET_FLAG_RST

◆ TCP_ISSET_FLAG_SYN

◆ TCP_ISSET_FLAG_URG

◆ TCP_OPT_EOL

◆ TCP_OPT_EXP1

◆ TCP_OPT_EXP2

◆ TCP_OPT_MSS

◆ TCP_OPT_MSS_LEN

◆ TCP_OPT_NOP

◆ TCP_OPT_SACK

◆ TCP_OPT_SACK_MAX_LEN

◆ TCP_OPT_SACK_MIN_LEN

◆ TCP_OPT_SACKOK

◆ TCP_OPT_SACKOK_LEN

◆ TCP_OPT_TFO

◆ TCP_OPT_TFO_MAX_LEN

◆ TCP_OPT_TFO_MIN_LEN

◆ TCP_OPT_TS

◆ TCP_OPT_TS_LEN

◆ TCP_OPT_WS

◆ TCP_OPT_WS_LEN

◆ TCP_OPTLENMAX

◆ TCP_OPTMAX

◆ TCP_SET_RAW_TCP_OFFSET

◆ TCP_SET_RAW_TCP_X2

◆ TCP_WSCALE_MAX

◆ TH_ACK

◆ TH_CWR

◆ TH_ECN

◆ TH_FIN

◆ TH_PUSH

◆ TH_RST

◆ TH_SYN