Dirk Ziegelmeier
10 years ago
16 changed files with 168 additions and 165 deletions
@ -0,0 +1,151 @@
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/**
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* @file |
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* Ethernet output function - handles OUTGOING ethernet level traffic, implements |
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* ARP resolving. |
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* To be used in most low-level netif implementations |
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*/ |
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|
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/*
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* Copyright (c) 2001-2003 Swedish Institute of Computer Science. |
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* Copyright (c) 2003-2004 Leon Woestenberg <leon.woestenberg@axon.tv> |
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* Copyright (c) 2003-2004 Axon Digital Design B.V., The Netherlands. |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without modification, |
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* are permitted provided that the following conditions are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright notice, |
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* this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright notice, |
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* this list of conditions and the following disclaimer in the documentation |
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* and/or other materials provided with the distribution. |
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* 3. The name of the author may not be used to endorse or promote products |
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* derived from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT |
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* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT |
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY |
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* OF SUCH DAMAGE. |
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* |
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* This file is part of the lwIP TCP/IP stack. |
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* |
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* Author: Adam Dunkels <adam@sics.se> |
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* |
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*/ |
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#ifndef LWIP_HDR_NETIF_ETHARP_H |
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#define LWIP_HDR_NETIF_ETHARP_H |
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#include "lwip/opt.h" |
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#if LWIP_ARP || LWIP_ETHERNET /* don't build if not configured for use in lwipopts.h */ |
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#include "lwip/pbuf.h" |
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#include "lwip/ip4_addr.h" |
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#include "lwip/netif.h" |
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#include "lwip/ip4.h" |
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#include "netif/ethernet.h" |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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#if LWIP_IPV4 && LWIP_ARP /* don't build if not configured for use in lwipopts.h */ |
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#ifndef ETHARP_HWADDR_LEN |
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#define ETHARP_HWADDR_LEN ETH_HWADDR_LEN |
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#endif |
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#ifdef PACK_STRUCT_USE_INCLUDES |
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# include "arch/bpstruct.h" |
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#endif |
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PACK_STRUCT_BEGIN |
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/** the ARP message, see RFC 826 ("Packet format") */ |
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struct etharp_hdr { |
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PACK_STRUCT_FIELD(u16_t hwtype); |
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PACK_STRUCT_FIELD(u16_t proto); |
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PACK_STRUCT_FLD_8(u8_t hwlen); |
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PACK_STRUCT_FLD_8(u8_t protolen); |
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PACK_STRUCT_FIELD(u16_t opcode); |
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PACK_STRUCT_FLD_S(struct eth_addr shwaddr); |
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PACK_STRUCT_FLD_S(struct ip4_addr2 sipaddr); |
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PACK_STRUCT_FLD_S(struct eth_addr dhwaddr); |
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PACK_STRUCT_FLD_S(struct ip4_addr2 dipaddr); |
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} PACK_STRUCT_STRUCT; |
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PACK_STRUCT_END |
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#ifdef PACK_STRUCT_USE_INCLUDES |
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# include "arch/epstruct.h" |
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#endif |
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#define SIZEOF_ETHARP_HDR 28 |
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#define SIZEOF_ETHARP_PACKET (SIZEOF_ETH_HDR + SIZEOF_ETHARP_HDR) |
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#if ETHARP_SUPPORT_VLAN && defined(LWIP_HOOK_VLAN_SET) |
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#define SIZEOF_ETHARP_PACKET_TX (SIZEOF_ETHARP_PACKET + SIZEOF_VLAN_HDR) |
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#else /* ETHARP_SUPPORT_VLAN && defined(LWIP_HOOK_VLAN_SET) */ |
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#define SIZEOF_ETHARP_PACKET_TX SIZEOF_ETHARP_PACKET |
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#endif /* ETHARP_SUPPORT_VLAN && defined(LWIP_HOOK_VLAN_SET) */ |
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/** 1 seconds period */ |
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#define ARP_TMR_INTERVAL 1000 |
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/** ARP message types (opcodes) */ |
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#define ARP_REQUEST 1 |
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#define ARP_REPLY 2 |
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#if ARP_QUEUEING |
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/** struct for queueing outgoing packets for unknown address
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* defined here to be accessed by memp.h |
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*/ |
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struct etharp_q_entry { |
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struct etharp_q_entry *next; |
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struct pbuf *p; |
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}; |
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#endif /* ARP_QUEUEING */ |
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#define etharp_init() /* Compatibility define, no init needed. */ |
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void etharp_tmr(void); |
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s8_t etharp_find_addr(struct netif *netif, const ip4_addr_t *ipaddr, |
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struct eth_addr **eth_ret, const ip4_addr_t **ip_ret); |
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u8_t etharp_get_entry(u8_t i, ip4_addr_t **ipaddr, struct netif **netif, struct eth_addr **eth_ret); |
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err_t etharp_output(struct netif *netif, struct pbuf *q, const ip4_addr_t *ipaddr); |
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err_t etharp_query(struct netif *netif, const ip4_addr_t *ipaddr, struct pbuf *q); |
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err_t etharp_request(struct netif *netif, const ip4_addr_t *ipaddr); |
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/** For Ethernet network interfaces, we might want to send "gratuitous ARP";
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* this is an ARP packet sent by a node in order to spontaneously cause other |
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* nodes to update an entry in their ARP cache. |
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* From RFC 3220 "IP Mobility Support for IPv4" section 4.6. */ |
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#define etharp_gratuitous(netif) etharp_request((netif), netif_ip4_addr(netif)) |
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void etharp_cleanup_netif(struct netif *netif); |
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void etharp_ip_input(struct netif *netif, struct pbuf *p); |
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#if ETHARP_SUPPORT_STATIC_ENTRIES |
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err_t etharp_add_static_entry(const ip4_addr_t *ipaddr, struct eth_addr *ethaddr); |
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err_t etharp_remove_static_entry(const ip4_addr_t *ipaddr); |
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#endif /* ETHARP_SUPPORT_STATIC_ENTRIES */ |
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#if LWIP_AUTOIP |
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err_t etharp_raw(struct netif *netif, const struct eth_addr *ethsrc_addr, |
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const struct eth_addr *ethdst_addr, |
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const struct eth_addr *hwsrc_addr, const ip4_addr_t *ipsrc_addr, |
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const struct eth_addr *hwdst_addr, const ip4_addr_t *ipdst_addr, |
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const u16_t opcode); |
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#endif /* LWIP_AUTOIP */ |
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#endif /* LWIP_IPV4 && LWIP_ARP */ |
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void etharp_arp_input(struct netif *netif, struct eth_addr *ethaddr, struct pbuf *p); |
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#ifdef __cplusplus |
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} |
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#endif |
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#endif /* LWIP_ARP || LWIP_ETHERNET */ |
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#endif /* LWIP_HDR_NETIF_ETHARP_H */ |
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@ -1,151 +1,2 @@
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/**
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* @file |
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* Ethernet output function - handles OUTGOING ethernet level traffic, implements |
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* ARP resolving. |
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* To be used in most low-level netif implementations |
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*/ |
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|
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/*
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* Copyright (c) 2001-2003 Swedish Institute of Computer Science. |
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* Copyright (c) 2003-2004 Leon Woestenberg <leon.woestenberg@axon.tv> |
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* Copyright (c) 2003-2004 Axon Digital Design B.V., The Netherlands. |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without modification, |
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* are permitted provided that the following conditions are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright notice, |
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* this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright notice, |
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* this list of conditions and the following disclaimer in the documentation |
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* and/or other materials provided with the distribution. |
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* 3. The name of the author may not be used to endorse or promote products |
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* derived from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
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* 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 |
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY |
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* OF SUCH DAMAGE. |
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* |
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* This file is part of the lwIP TCP/IP stack. |
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* |
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* Author: Adam Dunkels <adam@sics.se> |
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* |
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*/ |
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#ifndef LWIP_HDR_NETIF_ETHARP_H |
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#define LWIP_HDR_NETIF_ETHARP_H |
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#include "lwip/opt.h" |
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#if LWIP_ARP || LWIP_ETHERNET /* don't build if not configured for use in lwipopts.h */ |
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#include "lwip/pbuf.h" |
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#include "lwip/ip4_addr.h" |
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#include "lwip/netif.h" |
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#include "lwip/ip4.h" |
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#include "netif/ethernet.h" |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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#if LWIP_IPV4 && LWIP_ARP /* don't build if not configured for use in lwipopts.h */ |
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#ifndef ETHARP_HWADDR_LEN |
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#define ETHARP_HWADDR_LEN ETH_HWADDR_LEN |
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#endif |
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#ifdef PACK_STRUCT_USE_INCLUDES |
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# include "arch/bpstruct.h" |
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#endif |
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PACK_STRUCT_BEGIN |
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/** the ARP message, see RFC 826 ("Packet format") */ |
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struct etharp_hdr { |
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PACK_STRUCT_FIELD(u16_t hwtype); |
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PACK_STRUCT_FIELD(u16_t proto); |
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PACK_STRUCT_FLD_8(u8_t hwlen); |
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PACK_STRUCT_FLD_8(u8_t protolen); |
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PACK_STRUCT_FIELD(u16_t opcode); |
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PACK_STRUCT_FLD_S(struct eth_addr shwaddr); |
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PACK_STRUCT_FLD_S(struct ip4_addr2 sipaddr); |
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PACK_STRUCT_FLD_S(struct eth_addr dhwaddr); |
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PACK_STRUCT_FLD_S(struct ip4_addr2 dipaddr); |
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} PACK_STRUCT_STRUCT; |
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PACK_STRUCT_END |
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#ifdef PACK_STRUCT_USE_INCLUDES |
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# include "arch/epstruct.h" |
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#endif |
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#define SIZEOF_ETHARP_HDR 28 |
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#define SIZEOF_ETHARP_PACKET (SIZEOF_ETH_HDR + SIZEOF_ETHARP_HDR) |
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#if ETHARP_SUPPORT_VLAN && defined(LWIP_HOOK_VLAN_SET) |
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#define SIZEOF_ETHARP_PACKET_TX (SIZEOF_ETHARP_PACKET + SIZEOF_VLAN_HDR) |
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#else /* ETHARP_SUPPORT_VLAN && defined(LWIP_HOOK_VLAN_SET) */ |
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#define SIZEOF_ETHARP_PACKET_TX SIZEOF_ETHARP_PACKET |
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#endif /* ETHARP_SUPPORT_VLAN && defined(LWIP_HOOK_VLAN_SET) */ |
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/** 1 seconds period */ |
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#define ARP_TMR_INTERVAL 1000 |
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/** ARP message types (opcodes) */ |
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#define ARP_REQUEST 1 |
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#define ARP_REPLY 2 |
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#if ARP_QUEUEING |
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/** struct for queueing outgoing packets for unknown address
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* defined here to be accessed by memp.h |
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*/ |
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struct etharp_q_entry { |
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struct etharp_q_entry *next; |
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struct pbuf *p; |
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}; |
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#endif /* ARP_QUEUEING */ |
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#define etharp_init() /* Compatibility define, no init needed. */ |
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void etharp_tmr(void); |
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s8_t etharp_find_addr(struct netif *netif, const ip4_addr_t *ipaddr, |
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struct eth_addr **eth_ret, const ip4_addr_t **ip_ret); |
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u8_t etharp_get_entry(u8_t i, ip4_addr_t **ipaddr, struct netif **netif, struct eth_addr **eth_ret); |
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err_t etharp_output(struct netif *netif, struct pbuf *q, const ip4_addr_t *ipaddr); |
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err_t etharp_query(struct netif *netif, const ip4_addr_t *ipaddr, struct pbuf *q); |
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err_t etharp_request(struct netif *netif, const ip4_addr_t *ipaddr); |
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/** For Ethernet network interfaces, we might want to send "gratuitous ARP";
|
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* this is an ARP packet sent by a node in order to spontaneously cause other |
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* nodes to update an entry in their ARP cache. |
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* From RFC 3220 "IP Mobility Support for IPv4" section 4.6. */ |
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#define etharp_gratuitous(netif) etharp_request((netif), netif_ip4_addr(netif)) |
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void etharp_cleanup_netif(struct netif *netif); |
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void etharp_ip_input(struct netif *netif, struct pbuf *p); |
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#if ETHARP_SUPPORT_STATIC_ENTRIES |
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err_t etharp_add_static_entry(const ip4_addr_t *ipaddr, struct eth_addr *ethaddr); |
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err_t etharp_remove_static_entry(const ip4_addr_t *ipaddr); |
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#endif /* ETHARP_SUPPORT_STATIC_ENTRIES */ |
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#if LWIP_AUTOIP |
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err_t etharp_raw(struct netif *netif, const struct eth_addr *ethsrc_addr, |
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const struct eth_addr *ethdst_addr, |
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const struct eth_addr *hwsrc_addr, const ip4_addr_t *ipsrc_addr, |
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const struct eth_addr *hwdst_addr, const ip4_addr_t *ipdst_addr, |
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const u16_t opcode); |
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#endif /* LWIP_AUTOIP */ |
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#endif /* LWIP_IPV4 && LWIP_ARP */ |
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void etharp_arp_input(struct netif *netif, struct eth_addr *ethaddr, struct pbuf *p); |
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#ifdef __cplusplus |
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} |
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#endif |
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#endif /* LWIP_ARP || LWIP_ETHERNET */ |
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#endif /* LWIP_HDR_NETIF_ETHARP_H */ |
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/* ARP has been moved to core/ipv4, provide this #include for compatibility only */ |
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#include "lwip/etharp.h" |
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