libnet-macros.h(3)

NAME
libnet-macros.h - libnet macros and symbloc constants

SYNOPSIS

  Defines
#define LIBNET_DONT_RESOLVE 0
#define LIBNET_RESOLVE 1
#define LIBNET_ON 0
#define LIBNET_OFF 1
#define IN6ADDR_ERROR_INIT
#define LIBNET_PR2 0
#define LIBNET_PR8 1
#define LIBNET_PR16 2
#define LIBNET_PRu16 3
#define LIBNET_PR32 4
#define LIBNET_PRu32 5
#define LIBNET_PRAND_MAX 0xffffffff
#define LIBNET_MAX_PACKET 0xffff
#define IP_MAXPACKET 0xffff
#define ETHER_ADDR_LEN 0x6
#define FDDI_ADDR_LEN 0x6
#define TOKEN_RING_ADDR_LEN 0x6
#define LIBNET_ORG_CODE_SIZE 0x3
#define LIBNET_ERRBUF_SIZE 0x100
#define LIBNET_MAXOPTION_SIZE 0x28
#define FIX(n) (n)
#define UNFIX(n) (n)
#define LIBNET_CKSUM_CARRY(x) (x = (x >> 16) + (x & 0xffff), (~(x + (x >> 16)) & 0xffff))
#define LIBNET_OSPF_AUTHCPY(x, y) memcpy((u_int8_t *)x, (u_int8_t *)y, sizeof(y))
#define LIBNET_OSPF_CKSUMBUF(x, y) memcpy((u_int8_t *)x, (u_int8_t *)y, sizeof(y))
#define LIBNET_NTP_DO_LI_VN_MODE(li, vn, md) ((u_int8_t)((((li) << 6) & 0xc0) | (((vn) << 3) & 0x38) | ((md) & 0x7)))
#define LIBNET_ISLOOPBACK(p) (strcmp((p)->ifr_name, 'lo0') == 0)
#define LIBNET_ISADVMODE(x) (x & 0x08)
#define LIBNET_LABEL_SIZE 64
#define LIBNET_LABEL_DEFAULT 'cardshark'
#define CQ_LOCK_UNLOCKED (u_int)0x00000000
#define CQ_LOCK_READ (u_int)0x00000001
#define CQ_LOCK_WRITE (u_int)0x00000002
#define for_each_context_in_cq(l) for (l = libnet_cq_head(); libnet_cq_last(); l = libnet_cq_next())
#define cq_is_wlocked() (l_cqd.cq_lock & CQ_LOCK_WRITE)
#define cq_is_rlocked() (l_cqd.cq_lock & CQ_LOCK_READ)
#define cq_is_locked() (l_cqd.cq_lock & (CQ_LOCK_READ | CQ_LOCK_WRITE))
#define check_cq_lock(x) (l_cqd.cq_lock & x)

Detailed Description

libnet macros and symbloc constants

Define Documentation

  #define for_each_context_in_cq(l) for (l = libnet_cq_head(); libnet_cq_last(); l = libnet_cq_next())

Provides an interface to iterate through the context queue of libnet contexts. Before calling this macro, be sure to set the queue using libnet_cq_head().

  #define IN6ADDR_ERROR_INIT

Value:.nf { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff } } }
IPv6 error code

  #define LIBNET_DONT_RESOLVE 0

Used for libnet's name resolution functions, specifies that no DNS lookups should be performed and the IP address should be kept in numeric form.

  #define LIBNET_ERRBUF_SIZE 0x100

The libnet error buffer is 256 bytes long.

  #define LIBNET_MAX_PACKET 0xffff

The biggest an IP packet can be -- 65,535 bytes.

  #define LIBNET_MAXOPTION_SIZE 0x28

IP and TCP options can be up to 40 bytes long.

  #define LIBNET_OFF 1

Used several places, to specify 'on' or 'one'

  #define LIBNET_ON 0

Used several places, to specify 'on' or 'one'

  #define LIBNET_PR2 0

Used for libnet_get_prand() to specify function disposition

  #define LIBNET_RESOLVE 1

Used for libnet's name resolution functions, specifies that a DNS lookup can be performed if needed to resolve the IP address to a canonical form.

Author

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