libnet-macros.h

NAME

libnet-macros.h -

libnet macros and symbolic 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_DO_PAYLOAD(l, p)
#define LIBNET_CKSUM_CARRY(x) (x = (x >> 16) + (x & 0xffff), (˜(x + (x >> 16)) & 0xffff))
#define LIBNET_OSPF_AUTHCPY(x, y) memcpy((uint8_t *)x, (uint8_t *)y, sizeof(y))
#define LIBNET_OSPF_CKSUMBUF(x, y) memcpy((uint8_t *)x, (uint8_t *)y, sizeof(y))
#define LIBNET_NTP_DO_LI_VN_MODE(li, vn, md) ((uint8_t)((((li) << 6) & 0xc0) | (((vn) << 3) & 0x38) | ((md) & 0x7)))
#define LIBNET_ISLOOPBACK(p) (strcmp((p)->ifr_name, ’lo’) == 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 symbolic 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 iteratethrough the context queue of libnet contexts. Before calling this macro, besure to set the queue using libnet_cq_head().

#define IN6ADDR_ERROR_INIT Value:

{ { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff } } }
IPv6 error code

#define LIBNET_DO_PAYLOAD(l, p) Value:

if (payload_s && !payload) { snprintf(l->err_buf, LIBNET_ERRBUF_SIZE, ’%s(): payload inconsistency0, __func__); goto bad; } if (payload_s) { n = libnet_pblock_append(l, p, payload, payload_s); if (n == (uint32_t) - 1) { goto bad; } } .fi

#define LIBNET_DONT_RESOLVE 0 Used for libnet’s name resolution functions,specifies that no DNS lookups should be performed and the IP address shouldbe 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 -- 65,535bytes.

#define LIBNET_MAXOPTION_SIZE 0x28 IP and TCP options can be up to 40 byteslong.

#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 functiondisposition

#define LIBNET_RESOLVE 1 Used for libnet’s name resolution functions,specifies that a DNS lookup can be performed if needed to resolve the IPaddress to a canonical form.

Author

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