mirror of
https://github.com/lwip-tcpip/lwip.git
synced 2025-02-20 15:40:55 +00:00
started with bug #48728: move protocol definitions to 'include/prot/*.h' files (started with some IPv4 protocols)
This commit is contained in:
goldsimon
parent
d95ab511d0
commit
dc7340bbd5
@ -66,34 +66,11 @@
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#include "lwip/netif.h"
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#include "lwip/autoip.h"
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#include "lwip/etharp.h"
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#include "lwip/prot/autoip.h"
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#include <stdlib.h>
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#include <string.h>
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/* 169.254.0.0 */
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#define AUTOIP_NET 0xA9FE0000
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/* 169.254.1.0 */
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#define AUTOIP_RANGE_START (AUTOIP_NET | 0x0100)
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/* 169.254.254.255 */
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#define AUTOIP_RANGE_END (AUTOIP_NET | 0xFEFF)
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/* RFC 3927 Constants */
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#define PROBE_WAIT 1 /* second (initial random delay) */
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#define PROBE_MIN 1 /* second (minimum delay till repeated probe) */
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#define PROBE_MAX 2 /* seconds (maximum delay till repeated probe) */
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#define PROBE_NUM 3 /* (number of probe packets) */
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#define ANNOUNCE_NUM 2 /* (number of announcement packets) */
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#define ANNOUNCE_INTERVAL 2 /* seconds (time between announcement packets) */
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#define ANNOUNCE_WAIT 2 /* seconds (delay before announcing) */
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#define MAX_CONFLICTS 10 /* (max conflicts before rate limiting) */
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#define RATE_LIMIT_INTERVAL 60 /* seconds (delay between successive attempts) */
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#define DEFEND_INTERVAL 10 /* seconds (min. wait between defensive ARPs) */
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/* AutoIP client states */
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#define AUTOIP_STATE_OFF 0
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#define AUTOIP_STATE_PROBING 1
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#define AUTOIP_STATE_ANNOUNCING 2
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#define AUTOIP_STATE_BOUND 3
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/** Pseudo random macro based on netif informations.
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* You could use "rand()" from the C Library if you define LWIP_AUTOIP_RAND in lwipopts.h */
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@ -74,6 +74,7 @@
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#include "lwip/autoip.h"
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#include "lwip/dns.h"
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#include "lwip/etharp.h"
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#include "lwip/prot/dhcp.h"
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#include <string.h>
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@ -384,6 +385,7 @@ dhcp_select(struct netif *netif)
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/**
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* The DHCP timer that checks for lease renewal/rebind timeouts.
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* Must be called once a minute (see @ref DHCP_COARSE_TIMER_SECS).
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*/
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void
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dhcp_coarse_tmr(void)
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@ -419,7 +421,8 @@ dhcp_coarse_tmr(void)
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}
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/**
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* DHCP transaction timeout handling
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* DHCP transaction timeout handling (this function must be called every 500ms,
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* see @ref DHCP_FINE_TIMER_MSECS).
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*
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* A DHCP server is expected to respond within a short period of time.
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* This timer checks whether an outstanding DHCP request is timed out.
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@ -850,7 +853,8 @@ dhcp_network_changed(struct netif *netif)
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#if DHCP_DOES_ARP_CHECK
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/**
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* Match an ARP reply with the offered IP address.
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* Match an ARP reply with the offered IP address:
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* check whether the offered IP address is not in use using ARP
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*
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* @param netif the network interface on which the reply was received
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* @param addr The IP address we received a reply from
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@ -1241,7 +1245,7 @@ dhcp_reboot(struct netif *netif)
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/**
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* @ingroup dhcp4
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* Release a DHCP lease.
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* Release a DHCP lease (usually called before @ref dhcp_stop).
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*
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* @param netif network interface which must release its lease
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*/
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@ -53,9 +53,9 @@
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#include "lwip/raw.h"
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#include "lwip/udp.h"
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#include "lwip/priv/tcp_priv.h"
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#include "lwip/dhcp.h"
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#include "lwip/autoip.h"
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#include "lwip/stats.h"
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#include "lwip/prot/dhcp.h"
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#include <string.h>
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@ -36,9 +36,6 @@
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* This is a AutoIP implementation for the lwIP TCP/IP stack. It aims to conform
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* with RFC 3927.
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*
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*
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* Please coordinate changes and requests with Dominik Spies
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* <kontakt@dspies.de>
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*/
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#ifndef LWIP_HDR_AUTOIP_H
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@ -50,15 +50,13 @@ extern "C" {
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#endif
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/** period (in seconds) of the application calling dhcp_coarse_tmr() */
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#define DHCP_COARSE_TIMER_SECS 60
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#define DHCP_COARSE_TIMER_SECS 60
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/** period (in milliseconds) of the application calling dhcp_coarse_tmr() */
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#define DHCP_COARSE_TIMER_MSECS (DHCP_COARSE_TIMER_SECS * 1000UL)
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/** period (in milliseconds) of the application calling dhcp_fine_tmr() */
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#define DHCP_FINE_TIMER_MSECS 500
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#define DHCP_FINE_TIMER_MSECS 500
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#define DHCP_CHADDR_LEN 16U
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#define DHCP_SNAME_LEN 64U
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#define DHCP_FILE_LEN 128U
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#define DHCP_BOOT_FILE_LEN 128U
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struct dhcp
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{
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@ -97,181 +95,30 @@ struct dhcp
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u32_t offered_t2_rebind; /* recommended rebind time (usually 87.5 of lease period) */
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#if LWIP_DHCP_BOOTP_FILE
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ip_addr_t offered_si_addr;
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char boot_file_name[DHCP_FILE_LEN];
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char boot_file_name[DHCP_BOOT_FILE_LEN];
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#endif /* LWIP_DHCP_BOOTPFILE */
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};
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/* MUST be compiled with "pack structs" or equivalent! */
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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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/** minimum set of fields of any DHCP message */
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struct dhcp_msg
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{
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PACK_STRUCT_FLD_8(u8_t op);
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PACK_STRUCT_FLD_8(u8_t htype);
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PACK_STRUCT_FLD_8(u8_t hlen);
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PACK_STRUCT_FLD_8(u8_t hops);
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PACK_STRUCT_FIELD(u32_t xid);
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PACK_STRUCT_FIELD(u16_t secs);
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PACK_STRUCT_FIELD(u16_t flags);
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PACK_STRUCT_FLD_S(ip4_addr_p_t ciaddr);
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PACK_STRUCT_FLD_S(ip4_addr_p_t yiaddr);
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PACK_STRUCT_FLD_S(ip4_addr_p_t siaddr);
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PACK_STRUCT_FLD_S(ip4_addr_p_t giaddr);
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PACK_STRUCT_FLD_8(u8_t chaddr[DHCP_CHADDR_LEN]);
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PACK_STRUCT_FLD_8(u8_t sname[DHCP_SNAME_LEN]);
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PACK_STRUCT_FLD_8(u8_t file[DHCP_FILE_LEN]);
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PACK_STRUCT_FIELD(u32_t cookie);
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#define DHCP_MIN_OPTIONS_LEN 68U
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/** make sure user does not configure this too small */
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#if ((defined(DHCP_OPTIONS_LEN)) && (DHCP_OPTIONS_LEN < DHCP_MIN_OPTIONS_LEN))
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# undef DHCP_OPTIONS_LEN
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#endif
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/** allow this to be configured in lwipopts.h, but not too small */
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#if (!defined(DHCP_OPTIONS_LEN))
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/** set this to be sufficient for your options in outgoing DHCP msgs */
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# define DHCP_OPTIONS_LEN DHCP_MIN_OPTIONS_LEN
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#endif
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PACK_STRUCT_FLD_8(u8_t options[DHCP_OPTIONS_LEN]);
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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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void dhcp_set_struct(struct netif *netif, struct dhcp *dhcp);
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/** Remove a struct dhcp previously set to the netif using dhcp_set_struct() */
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#define dhcp_remove_struct(netif) do { (netif)->dhcp = NULL; } while(0)
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void dhcp_cleanup(struct netif *netif);
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/** start DHCP configuration */
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err_t dhcp_start(struct netif *netif);
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/** enforce early lease renewal (not needed normally)*/
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err_t dhcp_renew(struct netif *netif);
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/** release the DHCP lease, usually called before dhcp_stop()*/
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err_t dhcp_release(struct netif *netif);
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/** stop DHCP configuration */
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void dhcp_stop(struct netif *netif);
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/** inform server of our manual IP address */
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void dhcp_inform(struct netif *netif);
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/** Handle a possible change in the network configuration */
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void dhcp_network_changed(struct netif *netif);
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/** if enabled, check whether the offered IP address is not in use, using ARP */
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#if DHCP_DOES_ARP_CHECK
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void dhcp_arp_reply(struct netif *netif, const ip4_addr_t *addr);
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#endif
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/** check if DHCP supplied netif->ip_addr */
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u8_t dhcp_supplied_address(const struct netif *netif);
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/** to be called every minute */
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/* to be called every minute */
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void dhcp_coarse_tmr(void);
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/** to be called every half second */
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/* to be called every half second */
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void dhcp_fine_tmr(void);
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/** DHCP message item offsets and length */
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#define DHCP_OP_OFS 0
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#define DHCP_HTYPE_OFS 1
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#define DHCP_HLEN_OFS 2
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#define DHCP_HOPS_OFS 3
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#define DHCP_XID_OFS 4
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#define DHCP_SECS_OFS 8
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#define DHCP_FLAGS_OFS 10
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#define DHCP_CIADDR_OFS 12
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#define DHCP_YIADDR_OFS 16
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#define DHCP_SIADDR_OFS 20
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#define DHCP_GIADDR_OFS 24
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#define DHCP_CHADDR_OFS 28
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#define DHCP_SNAME_OFS 44
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#define DHCP_FILE_OFS 108
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#define DHCP_MSG_LEN 236
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#define DHCP_COOKIE_OFS DHCP_MSG_LEN
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#define DHCP_OPTIONS_OFS (DHCP_MSG_LEN + 4)
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#define DHCP_CLIENT_PORT 68
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#define DHCP_SERVER_PORT 67
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/** DHCP client states */
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#define DHCP_STATE_OFF 0
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#define DHCP_STATE_REQUESTING 1
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#define DHCP_STATE_INIT 2
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#define DHCP_STATE_REBOOTING 3
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#define DHCP_STATE_REBINDING 4
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#define DHCP_STATE_RENEWING 5
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#define DHCP_STATE_SELECTING 6
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#define DHCP_STATE_INFORMING 7
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#define DHCP_STATE_CHECKING 8
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/** not yet implemented \#define DHCP_STATE_PERMANENT 9 */
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#define DHCP_STATE_BOUND 10
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/** not yet implemented \#define DHCP_STATE_RELEASING 11 */
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#define DHCP_STATE_BACKING_OFF 12
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/** AUTOIP cooperation flags */
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#define DHCP_AUTOIP_COOP_STATE_OFF 0
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#define DHCP_AUTOIP_COOP_STATE_ON 1
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#define DHCP_BOOTREQUEST 1
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#define DHCP_BOOTREPLY 2
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/** DHCP message types */
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#define DHCP_DISCOVER 1
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#define DHCP_OFFER 2
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#define DHCP_REQUEST 3
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#define DHCP_DECLINE 4
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#define DHCP_ACK 5
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#define DHCP_NAK 6
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#define DHCP_RELEASE 7
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#define DHCP_INFORM 8
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/** DHCP hardware type, currently only ethernet is supported */
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#define DHCP_HTYPE_ETH 1
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#define DHCP_MAGIC_COOKIE 0x63825363UL
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/* This is a list of options for BOOTP and DHCP, see RFC 2132 for descriptions */
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/** BootP options */
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#define DHCP_OPTION_PAD 0
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#define DHCP_OPTION_SUBNET_MASK 1 /* RFC 2132 3.3 */
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#define DHCP_OPTION_ROUTER 3
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#define DHCP_OPTION_DNS_SERVER 6
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#define DHCP_OPTION_HOSTNAME 12
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#define DHCP_OPTION_IP_TTL 23
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#define DHCP_OPTION_MTU 26
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#define DHCP_OPTION_BROADCAST 28
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#define DHCP_OPTION_TCP_TTL 37
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#define DHCP_OPTION_NTP 42
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#define DHCP_OPTION_END 255
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/** DHCP options */
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#define DHCP_OPTION_REQUESTED_IP 50 /* RFC 2132 9.1, requested IP address */
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#define DHCP_OPTION_LEASE_TIME 51 /* RFC 2132 9.2, time in seconds, in 4 bytes */
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#define DHCP_OPTION_OVERLOAD 52 /* RFC2132 9.3, use file and/or sname field for options */
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#define DHCP_OPTION_MESSAGE_TYPE 53 /* RFC 2132 9.6, important for DHCP */
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#define DHCP_OPTION_MESSAGE_TYPE_LEN 1
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#define DHCP_OPTION_SERVER_ID 54 /* RFC 2132 9.7, server IP address */
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#define DHCP_OPTION_PARAMETER_REQUEST_LIST 55 /* RFC 2132 9.8, requested option types */
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#define DHCP_OPTION_MAX_MSG_SIZE 57 /* RFC 2132 9.10, message size accepted >= 576 */
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#define DHCP_OPTION_MAX_MSG_SIZE_LEN 2
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#define DHCP_OPTION_T1 58 /* T1 renewal time */
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#define DHCP_OPTION_T2 59 /* T2 rebinding time */
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#define DHCP_OPTION_US 60
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#define DHCP_OPTION_CLIENT_ID 61
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#define DHCP_OPTION_TFTP_SERVERNAME 66
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#define DHCP_OPTION_BOOTFILE 67
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/** possible combinations of overloading the file and sname fields with options */
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#define DHCP_OVERLOAD_NONE 0
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#define DHCP_OVERLOAD_FILE 1
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#define DHCP_OVERLOAD_SNAME 2
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#define DHCP_OVERLOAD_SNAME_FILE 3
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#if LWIP_DHCP_GET_NTP_SRV
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/** This function must exist, in other to add offered NTP servers to
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@ -46,20 +46,12 @@
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#include "lwip/netif.h"
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#include "lwip/ip4.h"
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#include "lwip/ip6.h"
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#include "lwip/prot/ip.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define IP_PROTO_ICMP 1
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#define IP_PROTO_IGMP 2
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#define IP_PROTO_UDP 17
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#define IP_PROTO_UDPLITE 136
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#define IP_PROTO_TCP 6
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/** This operates on a void* by loading the first byte */
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#define IP_HDR_GET_VERSION(ptr) ((*(u8_t*)(ptr)) >> 4)
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/* This is passed as the destination address to ip_output_if (not
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to ip_output), meaning that an IP header already is constructed
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in the pbuf. This is used when TCP retransmits. */
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@ -46,6 +46,7 @@
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#include "lwip/ip4_addr.h"
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#include "lwip/err.h"
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#include "lwip/netif.h"
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#include "lwip/prot/ip4.h"
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#ifdef __cplusplus
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extern "C" {
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@ -60,62 +61,6 @@ extern "C" {
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/** Currently, the function ip_output_if_opt() is only used with IGMP */
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#define IP_OPTIONS_SEND (LWIP_IPV4 && LWIP_IGMP)
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#define IP_HLEN 20
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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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struct ip_hdr {
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/* version / header length */
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PACK_STRUCT_FLD_8(u8_t _v_hl);
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/* type of service */
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PACK_STRUCT_FLD_8(u8_t _tos);
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/* total length */
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PACK_STRUCT_FIELD(u16_t _len);
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/* identification */
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PACK_STRUCT_FIELD(u16_t _id);
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/* fragment offset field */
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PACK_STRUCT_FIELD(u16_t _offset);
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#define IP_RF 0x8000U /* reserved fragment flag */
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#define IP_DF 0x4000U /* don't fragment flag */
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#define IP_MF 0x2000U /* more fragments flag */
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#define IP_OFFMASK 0x1fffU /* mask for fragmenting bits */
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/* time to live */
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PACK_STRUCT_FLD_8(u8_t _ttl);
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/* protocol*/
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PACK_STRUCT_FLD_8(u8_t _proto);
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/* checksum */
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PACK_STRUCT_FIELD(u16_t _chksum);
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/* source and destination IP addresses */
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PACK_STRUCT_FLD_S(ip4_addr_p_t src);
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PACK_STRUCT_FLD_S(ip4_addr_p_t dest);
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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 IPH_V(hdr) ((hdr)->_v_hl >> 4)
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#define IPH_HL(hdr) ((hdr)->_v_hl & 0x0f)
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#define IPH_TOS(hdr) ((hdr)->_tos)
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#define IPH_LEN(hdr) ((hdr)->_len)
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#define IPH_ID(hdr) ((hdr)->_id)
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#define IPH_OFFSET(hdr) ((hdr)->_offset)
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#define IPH_TTL(hdr) ((hdr)->_ttl)
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#define IPH_PROTO(hdr) ((hdr)->_proto)
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#define IPH_CHKSUM(hdr) ((hdr)->_chksum)
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#define IPH_VHL_SET(hdr, v, hl) (hdr)->_v_hl = (u8_t)((((v) << 4) | (hl)))
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#define IPH_TOS_SET(hdr, tos) (hdr)->_tos = (tos)
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#define IPH_LEN_SET(hdr, len) (hdr)->_len = (len)
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#define IPH_ID_SET(hdr, id) (hdr)->_id = (id)
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#define IPH_OFFSET_SET(hdr, off) (hdr)->_offset = (off)
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#define IPH_TTL_SET(hdr, ttl) (hdr)->_ttl = (u8_t)(ttl)
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#define IPH_PROTO_SET(hdr, proto) (hdr)->_proto = (u8_t)(proto)
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#define IPH_CHKSUM_SET(hdr, chksum) (hdr)->_chksum = (chksum)
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#define ip_init() /* Compatibility define, no init needed. */
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struct netif *ip4_route(const ip4_addr_t *dest);
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#if LWIP_IPV4_SRC_ROUTING
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82
src/include/lwip/prot/autoip.h
Normal file
82
src/include/lwip/prot/autoip.h
Normal file
@ -0,0 +1,82 @@
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/**
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* @file
|
||||
* AutoIP protocol definitions
|
||||
*/
|
||||
|
||||
/*
|
||||
*
|
||||
* Copyright (c) 2007 Dominik Spies <kontakt@dspies.de>
|
||||
* 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.
|
||||
*
|
||||
* Author: Dominik Spies <kontakt@dspies.de>
|
||||
*
|
||||
* This is a AutoIP implementation for the lwIP TCP/IP stack. It aims to conform
|
||||
* with RFC 3927.
|
||||
*
|
||||
*/
|
||||
|
||||
#ifndef LWIP_HDR_PROT_AUTOIP_H
|
||||
#define LWIP_HDR_PROT_AUTOIP_H
|
||||
|
||||
#include "lwip/opt.h"
|
||||
|
||||
#if LWIP_IPV4 && LWIP_AUTOIP /* don't build if not configured for use in lwipopts.h */
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/* 169.254.0.0 */
|
||||
#define AUTOIP_NET 0xA9FE0000
|
||||
/* 169.254.1.0 */
|
||||
#define AUTOIP_RANGE_START (AUTOIP_NET | 0x0100)
|
||||
/* 169.254.254.255 */
|
||||
#define AUTOIP_RANGE_END (AUTOIP_NET | 0xFEFF)
|
||||
|
||||
/* RFC 3927 Constants */
|
||||
#define PROBE_WAIT 1 /* second (initial random delay) */
|
||||
#define PROBE_MIN 1 /* second (minimum delay till repeated probe) */
|
||||
#define PROBE_MAX 2 /* seconds (maximum delay till repeated probe) */
|
||||
#define PROBE_NUM 3 /* (number of probe packets) */
|
||||
#define ANNOUNCE_NUM 2 /* (number of announcement packets) */
|
||||
#define ANNOUNCE_INTERVAL 2 /* seconds (time between announcement packets) */
|
||||
#define ANNOUNCE_WAIT 2 /* seconds (delay before announcing) */
|
||||
#define MAX_CONFLICTS 10 /* (max conflicts before rate limiting) */
|
||||
#define RATE_LIMIT_INTERVAL 60 /* seconds (delay between successive attempts) */
|
||||
#define DEFEND_INTERVAL 10 /* seconds (min. wait between defensive ARPs) */
|
||||
|
||||
/* AutoIP client states */
|
||||
#define AUTOIP_STATE_OFF 0
|
||||
#define AUTOIP_STATE_PROBING 1
|
||||
#define AUTOIP_STATE_ANNOUNCING 2
|
||||
#define AUTOIP_STATE_BOUND 3
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* LWIP_IPV4 && LWIP_AUTOIP */
|
||||
|
||||
#endif /* LWIP_HDR_PROT_AUTOIP_H */
|
||||
192
src/include/lwip/prot/dhcp.h
Normal file
192
src/include/lwip/prot/dhcp.h
Normal file
@ -0,0 +1,192 @@
|
||||
/**
|
||||
* @file
|
||||
* DHCP protocol definitions
|
||||
*/
|
||||
|
||||
/*
|
||||
* Copyright (c) 2001-2004 Leon Woestenberg <leon.woestenberg@gmx.net>
|
||||
* Copyright (c) 2001-2004 Axon Digital Design B.V., The Netherlands.
|
||||
* 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: Leon Woestenberg <leon.woestenberg@gmx.net>
|
||||
*
|
||||
*/
|
||||
#ifndef LWIP_HDR_PROT_DHCP_H
|
||||
#define LWIP_HDR_PROT_DHCP_H
|
||||
|
||||
#include "lwip/opt.h"
|
||||
|
||||
#if LWIP_DHCP /* don't build if not configured for use in lwipopts.h */
|
||||
|
||||
#include "lwip/netif.h"
|
||||
#include "lwip/udp.h"
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
#define DHCP_CLIENT_PORT 68
|
||||
#define DHCP_SERVER_PORT 67
|
||||
|
||||
|
||||
/* DHCP message item offsets and length */
|
||||
#define DHCP_CHADDR_LEN 16U
|
||||
#define DHCP_SNAME_OFS 44U
|
||||
#define DHCP_SNAME_LEN 64U
|
||||
#define DHCP_FILE_OFS 108U
|
||||
#define DHCP_FILE_LEN 128U
|
||||
#define DHCP_MSG_LEN 236U
|
||||
#define DHCP_OPTIONS_OFS (DHCP_MSG_LEN + 4U) /* 4 byte: cookie */
|
||||
|
||||
#ifdef PACK_STRUCT_USE_INCLUDES
|
||||
# include "arch/bpstruct.h"
|
||||
#endif
|
||||
PACK_STRUCT_BEGIN
|
||||
/** minimum set of fields of any DHCP message */
|
||||
struct dhcp_msg
|
||||
{
|
||||
PACK_STRUCT_FLD_8(u8_t op);
|
||||
PACK_STRUCT_FLD_8(u8_t htype);
|
||||
PACK_STRUCT_FLD_8(u8_t hlen);
|
||||
PACK_STRUCT_FLD_8(u8_t hops);
|
||||
PACK_STRUCT_FIELD(u32_t xid);
|
||||
PACK_STRUCT_FIELD(u16_t secs);
|
||||
PACK_STRUCT_FIELD(u16_t flags);
|
||||
PACK_STRUCT_FLD_S(ip4_addr_p_t ciaddr);
|
||||
PACK_STRUCT_FLD_S(ip4_addr_p_t yiaddr);
|
||||
PACK_STRUCT_FLD_S(ip4_addr_p_t siaddr);
|
||||
PACK_STRUCT_FLD_S(ip4_addr_p_t giaddr);
|
||||
PACK_STRUCT_FLD_8(u8_t chaddr[DHCP_CHADDR_LEN]);
|
||||
PACK_STRUCT_FLD_8(u8_t sname[DHCP_SNAME_LEN]);
|
||||
PACK_STRUCT_FLD_8(u8_t file[DHCP_FILE_LEN]);
|
||||
PACK_STRUCT_FIELD(u32_t cookie);
|
||||
#define DHCP_MIN_OPTIONS_LEN 68U
|
||||
/** make sure user does not configure this too small */
|
||||
#if ((defined(DHCP_OPTIONS_LEN)) && (DHCP_OPTIONS_LEN < DHCP_MIN_OPTIONS_LEN))
|
||||
# undef DHCP_OPTIONS_LEN
|
||||
#endif
|
||||
/** allow this to be configured in lwipopts.h, but not too small */
|
||||
#if (!defined(DHCP_OPTIONS_LEN))
|
||||
/** set this to be sufficient for your options in outgoing DHCP msgs */
|
||||
# define DHCP_OPTIONS_LEN DHCP_MIN_OPTIONS_LEN
|
||||
#endif
|
||||
PACK_STRUCT_FLD_8(u8_t options[DHCP_OPTIONS_LEN]);
|
||||
} PACK_STRUCT_STRUCT;
|
||||
PACK_STRUCT_END
|
||||
#ifdef PACK_STRUCT_USE_INCLUDES
|
||||
# include "arch/epstruct.h"
|
||||
#endif
|
||||
|
||||
|
||||
/* DHCP client states */
|
||||
#define DHCP_STATE_OFF 0
|
||||
#define DHCP_STATE_REQUESTING 1
|
||||
#define DHCP_STATE_INIT 2
|
||||
#define DHCP_STATE_REBOOTING 3
|
||||
#define DHCP_STATE_REBINDING 4
|
||||
#define DHCP_STATE_RENEWING 5
|
||||
#define DHCP_STATE_SELECTING 6
|
||||
#define DHCP_STATE_INFORMING 7
|
||||
#define DHCP_STATE_CHECKING 8
|
||||
/* not yet implemented \#define DHCP_STATE_PERMANENT 9 */
|
||||
#define DHCP_STATE_BOUND 10
|
||||
/* not yet implemented \#define DHCP_STATE_RELEASING 11 */
|
||||
#define DHCP_STATE_BACKING_OFF 12
|
||||
|
||||
/* AutoIP cooperation flags */
|
||||
#define DHCP_AUTOIP_COOP_STATE_OFF 0
|
||||
#define DHCP_AUTOIP_COOP_STATE_ON 1
|
||||
|
||||
/* DHCP op codes */
|
||||
#define DHCP_BOOTREQUEST 1
|
||||
#define DHCP_BOOTREPLY 2
|
||||
|
||||
/* DHCP message types */
|
||||
#define DHCP_DISCOVER 1
|
||||
#define DHCP_OFFER 2
|
||||
#define DHCP_REQUEST 3
|
||||
#define DHCP_DECLINE 4
|
||||
#define DHCP_ACK 5
|
||||
#define DHCP_NAK 6
|
||||
#define DHCP_RELEASE 7
|
||||
#define DHCP_INFORM 8
|
||||
|
||||
/** DHCP hardware type, currently only ethernet is supported */
|
||||
#define DHCP_HTYPE_ETH 1
|
||||
|
||||
#define DHCP_MAGIC_COOKIE 0x63825363UL
|
||||
|
||||
/* This is a list of options for BOOTP and DHCP, see RFC 2132 for descriptions */
|
||||
|
||||
/* BootP options */
|
||||
#define DHCP_OPTION_PAD 0
|
||||
#define DHCP_OPTION_SUBNET_MASK 1 /* RFC 2132 3.3 */
|
||||
#define DHCP_OPTION_ROUTER 3
|
||||
#define DHCP_OPTION_DNS_SERVER 6
|
||||
#define DHCP_OPTION_HOSTNAME 12
|
||||
#define DHCP_OPTION_IP_TTL 23
|
||||
#define DHCP_OPTION_MTU 26
|
||||
#define DHCP_OPTION_BROADCAST 28
|
||||
#define DHCP_OPTION_TCP_TTL 37
|
||||
#define DHCP_OPTION_NTP 42
|
||||
#define DHCP_OPTION_END 255
|
||||
|
||||
/* DHCP options */
|
||||
#define DHCP_OPTION_REQUESTED_IP 50 /* RFC 2132 9.1, requested IP address */
|
||||
#define DHCP_OPTION_LEASE_TIME 51 /* RFC 2132 9.2, time in seconds, in 4 bytes */
|
||||
#define DHCP_OPTION_OVERLOAD 52 /* RFC2132 9.3, use file and/or sname field for options */
|
||||
|
||||
#define DHCP_OPTION_MESSAGE_TYPE 53 /* RFC 2132 9.6, important for DHCP */
|
||||
#define DHCP_OPTION_MESSAGE_TYPE_LEN 1
|
||||
|
||||
#define DHCP_OPTION_SERVER_ID 54 /* RFC 2132 9.7, server IP address */
|
||||
#define DHCP_OPTION_PARAMETER_REQUEST_LIST 55 /* RFC 2132 9.8, requested option types */
|
||||
|
||||
#define DHCP_OPTION_MAX_MSG_SIZE 57 /* RFC 2132 9.10, message size accepted >= 576 */
|
||||
#define DHCP_OPTION_MAX_MSG_SIZE_LEN 2
|
||||
|
||||
#define DHCP_OPTION_T1 58 /* T1 renewal time */
|
||||
#define DHCP_OPTION_T2 59 /* T2 rebinding time */
|
||||
#define DHCP_OPTION_US 60
|
||||
#define DHCP_OPTION_CLIENT_ID 61
|
||||
#define DHCP_OPTION_TFTP_SERVERNAME 66
|
||||
#define DHCP_OPTION_BOOTFILE 67
|
||||
|
||||
/* possible combinations of overloading the file and sname fields with options */
|
||||
#define DHCP_OVERLOAD_NONE 0
|
||||
#define DHCP_OVERLOAD_FILE 1
|
||||
#define DHCP_OVERLOAD_SNAME 2
|
||||
#define DHCP_OVERLOAD_SNAME_FILE 3
|
||||
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* LWIP_DHCP */
|
||||
|
||||
#endif /*LWIP_HDR_PROT_DHCP_H*/
|
||||
54
src/include/lwip/prot/ip.h
Normal file
54
src/include/lwip/prot/ip.h
Normal file
@ -0,0 +1,54 @@
|
||||
/**
|
||||
* @file
|
||||
* IP 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_IP_H
|
||||
#define LWIP_HDR_PROT_IP_H
|
||||
|
||||
#include "lwip/opt.h"
|
||||
#include "lwip/arch.h"
|
||||
|
||||
#define IP_PROTO_ICMP 1
|
||||
#define IP_PROTO_IGMP 2
|
||||
#define IP_PROTO_UDP 17
|
||||
#define IP_PROTO_UDPLITE 136
|
||||
#define IP_PROTO_TCP 6
|
||||
|
||||
/** This operates on a void* by loading the first byte */
|
||||
#define IP_HDR_GET_VERSION(ptr) ((*(u8_t*)(ptr)) >> 4)
|
||||
|
||||
#endif /* LWIP_HDR_PROT_IP_H */
|
||||
|
||||
|
||||
119
src/include/lwip/prot/ip4.h
Normal file
119
src/include/lwip/prot/ip4.h
Normal file
@ -0,0 +1,119 @@
|
||||
/**
|
||||
* @file
|
||||
* IPv4 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_IP4_H
|
||||
#define LWIP_HDR_PROT_IP4_H
|
||||
|
||||
#include "lwip/opt.h"
|
||||
|
||||
#if LWIP_IPV4
|
||||
|
||||
#include "lwip/arch.h"
|
||||
#include "lwip/ip4_addr.h"
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/* Size of the IPv4 header. Same as 'sizeof(struct ip_hdr)'. */
|
||||
#define IP_HLEN 20
|
||||
|
||||
#ifdef PACK_STRUCT_USE_INCLUDES
|
||||
# include "arch/bpstruct.h"
|
||||
#endif
|
||||
PACK_STRUCT_BEGIN
|
||||
/* The IPv4 header */
|
||||
struct ip_hdr {
|
||||
/* version / header length */
|
||||
PACK_STRUCT_FLD_8(u8_t _v_hl);
|
||||
/* type of service */
|
||||
PACK_STRUCT_FLD_8(u8_t _tos);
|
||||
/* total length */
|
||||
PACK_STRUCT_FIELD(u16_t _len);
|
||||
/* identification */
|
||||
PACK_STRUCT_FIELD(u16_t _id);
|
||||
/* fragment offset field */
|
||||
PACK_STRUCT_FIELD(u16_t _offset);
|
||||
#define IP_RF 0x8000U /* reserved fragment flag */
|
||||
#define IP_DF 0x4000U /* don't fragment flag */
|
||||
#define IP_MF 0x2000U /* more fragments flag */
|
||||
#define IP_OFFMASK 0x1fffU /* mask for fragmenting bits */
|
||||
/* time to live */
|
||||
PACK_STRUCT_FLD_8(u8_t _ttl);
|
||||
/* protocol*/
|
||||
PACK_STRUCT_FLD_8(u8_t _proto);
|
||||
/* checksum */
|
||||
PACK_STRUCT_FIELD(u16_t _chksum);
|
||||
/* source and destination IP addresses */
|
||||
PACK_STRUCT_FLD_S(ip4_addr_p_t src);
|
||||
PACK_STRUCT_FLD_S(ip4_addr_p_t dest);
|
||||
} PACK_STRUCT_STRUCT;
|
||||
PACK_STRUCT_END
|
||||
#ifdef PACK_STRUCT_USE_INCLUDES
|
||||
# include "arch/epstruct.h"
|
||||
#endif
|
||||
|
||||
/* Macros to get struct ip_hdr fields: */
|
||||
#define IPH_V(hdr) ((hdr)->_v_hl >> 4)
|
||||
#define IPH_HL(hdr) ((hdr)->_v_hl & 0x0f)
|
||||
#define IPH_TOS(hdr) ((hdr)->_tos)
|
||||
#define IPH_LEN(hdr) ((hdr)->_len)
|
||||
#define IPH_ID(hdr) ((hdr)->_id)
|
||||
#define IPH_OFFSET(hdr) ((hdr)->_offset)
|
||||
#define IPH_TTL(hdr) ((hdr)->_ttl)
|
||||
#define IPH_PROTO(hdr) ((hdr)->_proto)
|
||||
#define IPH_CHKSUM(hdr) ((hdr)->_chksum)
|
||||
|
||||
/* Macros to set struct ip_hdr fields: */
|
||||
#define IPH_VHL_SET(hdr, v, hl) (hdr)->_v_hl = (u8_t)((((v) << 4) | (hl)))
|
||||
#define IPH_TOS_SET(hdr, tos) (hdr)->_tos = (tos)
|
||||
#define IPH_LEN_SET(hdr, len) (hdr)->_len = (len)
|
||||
#define IPH_ID_SET(hdr, id) (hdr)->_id = (id)
|
||||
#define IPH_OFFSET_SET(hdr, off) (hdr)->_offset = (off)
|
||||
#define IPH_TTL_SET(hdr, ttl) (hdr)->_ttl = (u8_t)(ttl)
|
||||
#define IPH_PROTO_SET(hdr, proto) (hdr)->_proto = (u8_t)(proto)
|
||||
#define IPH_CHKSUM_SET(hdr, chksum) (hdr)->_chksum = (chksum)
|
||||
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* LWIP_IPV4 */
|
||||
|
||||
#endif /* LWIP_HDR_PROT_IP4_H */
|
||||
|
||||
|
||||
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Reference in New Issue
Block a user