mirror of
https://github.com/lwip-tcpip/lwip.git
synced 2025-02-04 21:39:49 +00:00
Work on bug #48728: headers should cleanly separate API vs. implementation
Ethernet
This commit is contained in:
Dirk Ziegelmeier
parent
8d68400387
commit
f299b4b7cf
134
src/include/lwip/prot/ethernet.h
Normal file
134
src/include/lwip/prot/ethernet.h
Normal file
@ -0,0 +1,134 @@
|
||||
/**
|
||||
* @file
|
||||
* UDP protocol definitions
|
||||
*/
|
||||
|
||||
/*
|
||||
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without modification,
|
||||
* are permitted provided that the following conditions are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright notice,
|
||||
* this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
||||
* this list of conditions and the following disclaimer in the documentation
|
||||
* and/or other materials provided with the distribution.
|
||||
* 3. The name of the author may not be used to endorse or promote products
|
||||
* derived from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
|
||||
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
||||
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
|
||||
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
||||
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
|
||||
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||||
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
||||
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
|
||||
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
|
||||
* OF SUCH DAMAGE.
|
||||
*
|
||||
* This file is part of the lwIP TCP/IP stack.
|
||||
*
|
||||
* Author: Adam Dunkels <adam@sics.se>
|
||||
*
|
||||
*/
|
||||
#ifndef LWIP_HDR_PROT_ETHERNET_H
|
||||
#define LWIP_HDR_PROT_ETHERNET_H
|
||||
|
||||
#include "lwip/arch.h"
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
#ifndef ETH_HWADDR_LEN
|
||||
#ifdef ETHARP_HWADDR_LEN
|
||||
#define ETH_HWADDR_LEN ETHARP_HWADDR_LEN /* compatibility mode */
|
||||
#else
|
||||
#define ETH_HWADDR_LEN 6
|
||||
#endif
|
||||
#endif
|
||||
|
||||
#ifdef PACK_STRUCT_USE_INCLUDES
|
||||
# include "arch/bpstruct.h"
|
||||
#endif
|
||||
PACK_STRUCT_BEGIN
|
||||
struct eth_addr {
|
||||
PACK_STRUCT_FLD_8(u8_t addr[ETH_HWADDR_LEN]);
|
||||
} PACK_STRUCT_STRUCT;
|
||||
PACK_STRUCT_END
|
||||
#ifdef PACK_STRUCT_USE_INCLUDES
|
||||
# include "arch/epstruct.h"
|
||||
#endif
|
||||
|
||||
#ifdef PACK_STRUCT_USE_INCLUDES
|
||||
# include "arch/bpstruct.h"
|
||||
#endif
|
||||
PACK_STRUCT_BEGIN
|
||||
/** Ethernet header */
|
||||
struct eth_hdr {
|
||||
#if ETH_PAD_SIZE
|
||||
PACK_STRUCT_FLD_8(u8_t padding[ETH_PAD_SIZE]);
|
||||
#endif
|
||||
PACK_STRUCT_FLD_S(struct eth_addr dest);
|
||||
PACK_STRUCT_FLD_S(struct eth_addr src);
|
||||
PACK_STRUCT_FIELD(u16_t type);
|
||||
} PACK_STRUCT_STRUCT;
|
||||
PACK_STRUCT_END
|
||||
#ifdef PACK_STRUCT_USE_INCLUDES
|
||||
# include "arch/epstruct.h"
|
||||
#endif
|
||||
|
||||
#define SIZEOF_ETH_HDR (14 + ETH_PAD_SIZE)
|
||||
|
||||
#ifdef PACK_STRUCT_USE_INCLUDES
|
||||
# include "arch/bpstruct.h"
|
||||
#endif
|
||||
PACK_STRUCT_BEGIN
|
||||
/** VLAN header inserted between ethernet header and payload
|
||||
* if 'type' in ethernet header is ETHTYPE_VLAN.
|
||||
* See IEEE802.Q */
|
||||
struct eth_vlan_hdr {
|
||||
PACK_STRUCT_FIELD(u16_t prio_vid);
|
||||
PACK_STRUCT_FIELD(u16_t tpid);
|
||||
} PACK_STRUCT_STRUCT;
|
||||
PACK_STRUCT_END
|
||||
#ifdef PACK_STRUCT_USE_INCLUDES
|
||||
# include "arch/epstruct.h"
|
||||
#endif
|
||||
|
||||
#define SIZEOF_VLAN_HDR 4
|
||||
#define VLAN_ID(vlan_hdr) (htons((vlan_hdr)->prio_vid) & 0xFFF)
|
||||
|
||||
/* A list of often ethtypes (although lwIP does not use all of them): */
|
||||
#define ETHTYPE_IP 0x0800U /* Internet protocol v4 */
|
||||
#define ETHTYPE_ARP 0x0806U /* Address resolution protocol */
|
||||
#define ETHTYPE_WOL 0x0842U /* Wake on lan */
|
||||
#define ETHTYPE_VLAN 0x8100U /* Virtual local area network */
|
||||
#define ETHTYPE_IPV6 0x86DDU /* Internet protocol v6 */
|
||||
#define ETHTYPE_PPPOEDISC 0x8863U /* PPP Over Ethernet Discovery Stage */
|
||||
#define ETHTYPE_PPPOE 0x8864U /* PPP Over Ethernet Session Stage */
|
||||
#define ETHTYPE_JUMBO 0x8870U /* Jumbo Frames */
|
||||
#define ETHTYPE_PROFINET 0x8892U /* Process field network */
|
||||
#define ETHTYPE_ETHERCAT 0x88A4U /* Ethernet for control automation technology */
|
||||
#define ETHTYPE_LLDP 0x88CCU /* Link layer discovery protocol */
|
||||
#define ETHTYPE_SERCOS 0x88CDU /* Serial real-time communication system */
|
||||
#define ETHTYPE_PTP 0x88F7U /* Precision time protocol */
|
||||
#define ETHTYPE_QINQ 0x9100U /* Q-in-Q, 802.1ad */
|
||||
|
||||
/** The 24-bit IANA IPv4-multicast OUI is 01-00-5e: */
|
||||
#define LL_IP4_MULTICAST_ADDR_0 0x01
|
||||
#define LL_IP4_MULTICAST_ADDR_1 0x00
|
||||
#define LL_IP4_MULTICAST_ADDR_2 0x5e
|
||||
|
||||
/** IPv6 multicast uses this prefix */
|
||||
#define LL_IP6_MULTICAST_ADDR_0 0x33
|
||||
#define LL_IP6_MULTICAST_ADDR_1 0x33
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* LWIP_HDR_PROT_ETHERNET_H */
|
||||
@ -45,99 +45,12 @@
|
||||
|
||||
#include "lwip/pbuf.h"
|
||||
#include "lwip/netif.h"
|
||||
#include "lwip/prot/ethernet.h"
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
#ifndef ETH_HWADDR_LEN
|
||||
#ifdef ETHARP_HWADDR_LEN
|
||||
#define ETH_HWADDR_LEN ETHARP_HWADDR_LEN /* compatibility mode */
|
||||
#else
|
||||
#define ETH_HWADDR_LEN 6
|
||||
#endif
|
||||
#endif
|
||||
|
||||
#ifdef PACK_STRUCT_USE_INCLUDES
|
||||
# include "arch/bpstruct.h"
|
||||
#endif
|
||||
PACK_STRUCT_BEGIN
|
||||
struct eth_addr {
|
||||
PACK_STRUCT_FLD_8(u8_t addr[ETH_HWADDR_LEN]);
|
||||
} PACK_STRUCT_STRUCT;
|
||||
PACK_STRUCT_END
|
||||
#ifdef PACK_STRUCT_USE_INCLUDES
|
||||
# include "arch/epstruct.h"
|
||||
#endif
|
||||
|
||||
#ifdef PACK_STRUCT_USE_INCLUDES
|
||||
# include "arch/bpstruct.h"
|
||||
#endif
|
||||
PACK_STRUCT_BEGIN
|
||||
/** Ethernet header */
|
||||
struct eth_hdr {
|
||||
#if ETH_PAD_SIZE
|
||||
PACK_STRUCT_FLD_8(u8_t padding[ETH_PAD_SIZE]);
|
||||
#endif
|
||||
PACK_STRUCT_FLD_S(struct eth_addr dest);
|
||||
PACK_STRUCT_FLD_S(struct eth_addr src);
|
||||
PACK_STRUCT_FIELD(u16_t type);
|
||||
} PACK_STRUCT_STRUCT;
|
||||
PACK_STRUCT_END
|
||||
#ifdef PACK_STRUCT_USE_INCLUDES
|
||||
# include "arch/epstruct.h"
|
||||
#endif
|
||||
|
||||
#define SIZEOF_ETH_HDR (14 + ETH_PAD_SIZE)
|
||||
|
||||
#if ETHARP_SUPPORT_VLAN
|
||||
|
||||
#ifdef PACK_STRUCT_USE_INCLUDES
|
||||
# include "arch/bpstruct.h"
|
||||
#endif
|
||||
PACK_STRUCT_BEGIN
|
||||
/** VLAN header inserted between ethernet header and payload
|
||||
* if 'type' in ethernet header is ETHTYPE_VLAN.
|
||||
* See IEEE802.Q */
|
||||
struct eth_vlan_hdr {
|
||||
PACK_STRUCT_FIELD(u16_t prio_vid);
|
||||
PACK_STRUCT_FIELD(u16_t tpid);
|
||||
} PACK_STRUCT_STRUCT;
|
||||
PACK_STRUCT_END
|
||||
#ifdef PACK_STRUCT_USE_INCLUDES
|
||||
# include "arch/epstruct.h"
|
||||
#endif
|
||||
|
||||
#define SIZEOF_VLAN_HDR 4
|
||||
#define VLAN_ID(vlan_hdr) (htons((vlan_hdr)->prio_vid) & 0xFFF)
|
||||
|
||||
#endif /* ETHARP_SUPPORT_VLAN */
|
||||
|
||||
/* A list of often ethtypes (although lwIP does not use all of them): */
|
||||
#define ETHTYPE_IP 0x0800U /* Internet protocol v4 */
|
||||
#define ETHTYPE_ARP 0x0806U /* Address resolution protocol */
|
||||
#define ETHTYPE_WOL 0x0842U /* Wake on lan */
|
||||
#define ETHTYPE_VLAN 0x8100U /* Virtual local area network */
|
||||
#define ETHTYPE_IPV6 0x86DDU /* Internet protocol v6 */
|
||||
#define ETHTYPE_PPPOEDISC 0x8863U /* PPP Over Ethernet Discovery Stage */
|
||||
#define ETHTYPE_PPPOE 0x8864U /* PPP Over Ethernet Session Stage */
|
||||
#define ETHTYPE_JUMBO 0x8870U /* Jumbo Frames */
|
||||
#define ETHTYPE_PROFINET 0x8892U /* Process field network */
|
||||
#define ETHTYPE_ETHERCAT 0x88A4U /* Ethernet for control automation technology */
|
||||
#define ETHTYPE_LLDP 0x88CCU /* Link layer discovery protocol */
|
||||
#define ETHTYPE_SERCOS 0x88CDU /* Serial real-time communication system */
|
||||
#define ETHTYPE_PTP 0x88F7U /* Precision time protocol */
|
||||
#define ETHTYPE_QINQ 0x9100U /* Q-in-Q, 802.1ad */
|
||||
|
||||
/** The 24-bit IANA IPv4-multicast OUI is 01-00-5e: */
|
||||
#define LL_IP4_MULTICAST_ADDR_0 0x01
|
||||
#define LL_IP4_MULTICAST_ADDR_1 0x00
|
||||
#define LL_IP4_MULTICAST_ADDR_2 0x5e
|
||||
|
||||
/** IPv6 multicast uses this prefix */
|
||||
#define LL_IP6_MULTICAST_ADDR_0 0x33
|
||||
#define LL_IP6_MULTICAST_ADDR_1 0x33
|
||||
|
||||
/** MEMCPY-like macro to copy to/from struct eth_addr's that are local variables
|
||||
* or known to be 32-bit aligned within the protocol header. */
|
||||
#ifndef ETHADDR32_COPY
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user