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reformatted sources, added start of bootp protocol implementation

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This commit is contained in:
Markus Fröschle
2013-12-24 08:23:01 +00:00
parent c938b07cc6
commit 62db6515c9
8 changed files with 1383 additions and 1169 deletions
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198
include/arp.h
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@@ -1,99 +1,99 @@
/*
* File: arp.h
* Purpose: ARP definitions.
*
* Notes:
*/
#ifndef _ARP_H
#define _ARP_H
/********************************************************************/
/*
* This data definition is defined for Ethernet only!
*/
typedef struct
{
uint16_t ar_hrd;
uint16_t ar_pro;
uint8_t ar_hln;
uint8_t ar_pln;
uint16_t opcode;
uint8_t ar_sha[6]; /* ethernet hw address */
uint8_t ar_spa[4]; /* ip address */
uint8_t ar_tha[6]; /* ethernet hw address */
uint8_t ar_tpa[4]; /* ip address */
} arp_frame_hdr;
#define ARP_HDR_LEN sizeof(arp_frame_hdr)
/*
* ARP table entry definition. Note that this table only designed
* with Ethernet and IP in mind.
*/
#define MAX_HWA_SIZE (6) /* 6 is enough for Ethernet address */
#define MAX_PA_SIZE (4) /* 4 is enough for Protocol address */
typedef struct
{
uint16_t protocol;
uint8_t hwa_size;
uint8_t hwa[MAX_HWA_SIZE];
uint8_t pa_size;
uint8_t pa[MAX_PA_SIZE];
int longevity;
} ARPENTRY;
#define MAX_ARP_ENTRY (10)
typedef struct
{
unsigned int tab_size;
ARPENTRY table[MAX_ARP_ENTRY];
} ARP_INFO;
#define ARP_ENTRY_EMPTY (0)
#define ARP_ENTRY_PERM (1)
#define ARP_ENTRY_TEMP (2)
#define ETHERNET (1)
#define ARP_REQUEST (1)
#define ARP_REPLY (2)
#define ARP_TIMEOUT (1) /* Timeout in seconds */
/* Protocol Header information */
#define ARP_HDR_OFFSET ETH_HDR_LEN
/********************************************************************/
uint8_t *
arp_get_mypa (void);
uint8_t *
arp_get_myha (void);
uint8_t *
arp_get_broadcast (void);
void
arp_merge (ARP_INFO *, uint16_t, int, uint8_t *, int, uint8_t *, int);
void
arp_remove (ARP_INFO *, uint16_t, uint8_t *, uint8_t *);
void
arp_request (NIF *, uint8_t *);
void
arp_handler (NIF *, NBUF *);
uint8_t *
arp_resolve (NIF *, uint16_t, uint8_t *);
void
arp_init (ARP_INFO *);
/********************************************************************/
#endif /* _ARP_H */
/*
* File: arp.h
* Purpose: ARP definitions.
*
* Notes:
*/
#ifndef _ARP_H
#define _ARP_H
/********************************************************************/
/*
* This data definition is defined for Ethernet only!
*/
typedef struct
{
uint16_t ar_hrd;
uint16_t ar_pro;
uint8_t ar_hln;
uint8_t ar_pln;
uint16_t opcode;
uint8_t ar_sha[6]; /* ethernet hw address */
uint8_t ar_spa[4]; /* ip address */
uint8_t ar_tha[6]; /* ethernet hw address */
uint8_t ar_tpa[4]; /* ip address */
} arp_frame_hdr;
#define ARP_HDR_LEN sizeof(arp_frame_hdr)
/*
* ARP table entry definition. Note that this table only designed
* with Ethernet and IP in mind.
*/
#define MAX_HWA_SIZE (6) /* 6 is enough for Ethernet address */
#define MAX_PA_SIZE (4) /* 4 is enough for Protocol address */
typedef struct
{
uint16_t protocol;
uint8_t hwa_size;
uint8_t hwa[MAX_HWA_SIZE];
uint8_t pa_size;
uint8_t pa[MAX_PA_SIZE];
int longevity;
} ARPENTRY;
#define MAX_ARP_ENTRY (10)
typedef struct
{
unsigned int tab_size;
ARPENTRY table[MAX_ARP_ENTRY];
} ARP_INFO;
#define ARP_ENTRY_EMPTY (0)
#define ARP_ENTRY_PERM (1)
#define ARP_ENTRY_TEMP (2)
#define ETHERNET (1)
#define ARP_REQUEST (1)
#define ARP_REPLY (2)
#define ARP_TIMEOUT (1) /* Timeout in seconds */
/* Protocol Header information */
#define ARP_HDR_OFFSET ETH_HDR_LEN
/********************************************************************/
uint8_t *
arp_get_mypa (void);
uint8_t *
arp_get_myha (void);
uint8_t *
arp_get_broadcast (void);
void
arp_merge (ARP_INFO *, uint16_t, int, uint8_t *, int, uint8_t *, int);
void
arp_remove (ARP_INFO *, uint16_t, uint8_t *, uint8_t *);
void
arp_request (NIF *, uint8_t *);
void
arp_handler (NIF *, NBUF *);
uint8_t *
arp_resolve (NIF *, uint16_t, uint8_t *);
void
arp_init (ARP_INFO *);
/********************************************************************/
#endif /* _ARP_H */