SRC/pcsed.h File Reference

---

Detailed Description

Link-layer (DIX Ethernet, Token-Ring, ARCnet, FDDI and PPP/SLIP) Interface.

Definition in file pcsed.h.

Go to the source code of this file.

Data Structures
struct	eth_Header
struct	eth_Packet
struct	vlan_Header
struct	vlan_Packet
struct	tok_Header
struct	tok_Packet
struct	llc_Header
struct	fddi_Header
struct	fddi_Packet
struct	arcnet_Header
struct	arcnet_Packet
union	link_Packet
struct	_eth_last_info
Typedefs
typedef eth_Header	eth_Header
typedef eth_Packet	eth_Packet
typedef vlan_Header	vlan_Header
typedef vlan_Packet	vlan_Packet
typedef tok_Header	tok_Header
typedef tok_Packet	tok_Packet
typedef llc_Header	llc_Header
typedef fddi_Header	fddi_Header
typedef fddi_Packet	fddi_Packet
typedef arcnet_Header	arcnet_Header
typedef arcnet_Packet	arcnet_Packet
typedef link_Packet	link_Packet
Functions
W32_FUNC int	_eth_init (void)
	Initialize the network driver interface.
W32_FUNC void	_eth_release (void)
	Release the hardware driver.
W32_FUNC int	_eth_send (WORD len, const void *sock, const char *file, unsigned line)
	_eth_send() does the actual transmission once we are complete with filling the buffer.
W32_FUNC int	_eth_set_addr (const void *addr)
	Sets a new MAC address for our interface.
W32_FUNC void *	_eth_formatpacket (const void *mac_dest, WORD mac_type)
	_eth_format_packet() places the next packet to be transmitted into the above link-layer output packet.
W32_FUNC void	_eth_free (const void *pkt)
	Free an input buffer once it is no longer needed.
W32_FUNC void *	_eth_arrived (WORD *type, BOOL *brdcast)
	Poll for arrival of new packets (IP/ARP/RARP/PPPoE protocol).
W32_FUNC BYTE	_eth_get_hwtype (BYTE *hwtype, BYTE *hwlen)
	Fill in hardware address type/length for BOOTP/DHCP packets.
W32_FUNC BOOL	_eth_join_mcast_group (const struct MultiCast *mc)
	Joins a multicast group (at the physical layer).
W32_FUNC BOOL	_eth_leave_mcast_group (const struct MultiCast *mc)
	Leaves a multicast group (at the physical layer).
void *	_eth_mac_hdr (const in_Header *ip) ATTR_NORETURN()
	Return pointer to MAC header start address of an IP packet.
void *	_eth_mac_dst (const in_Header *ip) ATTR_NORETURN()
	Return pointer to MAC destination address of an IP packet.
void *	_eth_mac_src (const in_Header *ip) ATTR_NORETURN()
	Return pointer to MAC source address of an IP packet.
WORD	_eth_mac_typ (const in_Header *ip) ATTR_NORETURN()
	Return value of protocol-type given an IP packet.
Variables
_eth_last_info	_eth_last
	Sizes and timestamps of last packet recv/sent.
BOOL	_ip_recursion
	avoid recursion in arp_resolve()
BOOL	_eth_is_init
	we are initialised
BOOL	_eth_ndis3pkt
	for DOS-programs only
BOOL	_eth_SwsVpkt
	for DOS *and* Win32 programs
BOOL	_eth_airpcap
	for Win32 using the AirPcap adapter
BYTE	_eth_mac_len
	Size of a MAC address.
const char *	_eth_not_init
W32_DATA mac_address	_eth_addr
W32_DATA mac_address	_eth_real_addr
W32_DATA mac_address	_eth_loop_addr
W32_DATA mac_address	_eth_brdcast
W32_DATA void *(*	_eth_recv_hook )(WORD *type)
W32_DATA int(*	_eth_recv_peek )(void *mac_buf)
W32_DATA int(*	_eth_xmit_hook )(const void *mac_buf, unsigned len)

---

Function Documentation

W32_FUNC void* _eth_arrived (  WORD *  type_ptr, BOOL *  broadcast )

Poll for arrival of new packets (IP/ARP/RARP/PPPoE protocol). Sets protocol-type of packet received in 'type'. For Ethernet/TokenRing-type drivers: Return values: Pointer  past the MAC-header to the IP/ARP/RARP protocol header. Also check for link-layer broadcast. For PPP/SLIP-type drivers (no MAC-headers): Return values: Pointer  to the IP-packet itself. IP-protocol is assumed. Can never be link-layer broadcast. < Todo: push back packet, else it's lost Definition at line 1016 of file pcsed.c.

W32_FUNC void* _eth_formatpacket (  const void *  mac_dest, WORD  eth_type )

_eth_format_packet() places the next packet to be transmitted into the above link-layer output packet. Returns: address of higher-level protocol (IP/RARP/RARP) header. Definition at line 131 of file pcsed.c.

W32_FUNC BYTE _eth_get_hwtype (  BYTE *  hwtype, BYTE *  hwlen )

Fill in hardware address type/length for BOOTP/DHCP packets. Also used for ARP/RARP packets. Should never be called for PPP/SLIP. Definition at line 740 of file pcsed.c.

W32_FUNC int _eth_init (  void   )

Initialize the network driver interface. Returns: 0 okay. error-code otherwise. Definition at line 648 of file pcsed.c.

W32_FUNC BOOL _eth_join_mcast_group (  const struct MultiCast *  mc  )

Joins a multicast group (at the physical layer). Return values: 1  The group was joined successfully. 0  Attempt failed. Definition at line 1238 of file pcsed.c. References _pkt_errno, _pkt_rxmode, eth_address, MultiCast::ethaddr, pkt_get_multicast_list(), pkt_set_multicast_list(), pkt_set_rcv_mode(), RXMODE_MULTICAST1, RXMODE_MULTICAST2, and RXMODE_PROMISCOUS.

W32_FUNC BOOL _eth_leave_mcast_group (  const struct MultiCast *  mc  )

Leaves a multicast group (at the physical layer). Return values: 1  The group was left successfully. 0  Attempt failed. Definition at line 1314 of file pcsed.c. References _pkt_errno, _pkt_rxmode, eth_address, MultiCast::ethaddr, pkt_get_multicast_list(), pkt_set_multicast_list(), pkt_set_rcv_mode(), and RXMODE_MULTICAST2.

W32_FUNC int _eth_send (  WORD  len, const void *  sock, const char *  file, unsigned  line )

_eth_send() does the actual transmission once we are complete with filling the buffer. Do any last minute patches here, like fix the size. Send to "loopback" device if it's IP and destination matches loopback network (127.x.x.x.). Return length of network-layer packet (not length of link-layer packet). Definition at line 302 of file pcsed.c.

---