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further implemented bootp protocol

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This commit is contained in:
Markus Fröschle
2013-12-24 10:41:43 +00:00
parent 7addadeb70
commit c1ff9a7181
8 changed files with 427 additions and 524 deletions
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29
include/bootp.h
View File

@@ -8,12 +8,28 @@
#ifndef _BOOTP_H_
#define _BOOTP_H_
/********************************************************************/
#define BOOTP_SERVER_PORT 67
#define BOOTP_CLIENT_PORT 68
/* protocol header information */
#define BOOTP_HDR_OFFSET (ETH_HDR_LEN + IP_HDR_SIZE + UDP_HDR_SIZE)
/* timeout in seconds */
#define BOOTP_TIMEOUT 2
/* BOOTP connection status */
struct bootp_connection
{
bool open; /* connection established flag */
NIF *nif; /* pointer to network interface */
IP_ADDR server_ip; /* server IP address */
};
/*
* This data definition is defined for Ethernet only!
*/
typedef struct
struct bootp_packet
{
uint8_t type; /* bootp operation type */
uint8_t htype; /* hardware type */
@@ -29,9 +45,9 @@ typedef struct
uint8_t sname[64]; /* server name */
uint8_t file[128]; /* name of bootfile */
uint8_t vend[64]; /* vendor specific (see below) */
} bootp_frame_hdr;
};
#define BOOTP_HDR_LEN sizeof(bootp_frame_hdr)
#define BOOTP_PACKET_LEN (BOOTP_HDR_OFFSET + sizeof(struct bootp_packet))
/* possible values for type field */
#define BOOTP_TYPE_BOOTREQUEST 1
@@ -46,11 +62,6 @@ typedef struct
/* values for flags - only broadcast flag in use */
#define BOOTP_FLAGS_BROADCAST 1
#define BOOTP_TIMEOUT (1) /* Timeout in seconds */
/* Protocol Header information */
#define BOOTP_HDR_OFFSET ETH_HDR_LEN
extern void bootp_request(NIF *, uint8_t *);
extern void bootp_handler(NIF *, NBUF *);
//extern void bootp_init(BOOTP_INFO *);

154
include/nbuf.h
View File

@@ -1,85 +1,69 @@
/*
* File: nbuf.h
* Purpose: Definitions for network buffer management
*
* Notes: These routines implement a network buffer scheme
*/
#ifndef _NBUF_H_
#define _NBUF_H_
/********************************************************************/
/*
* Include the Queue structure definitions
*/
#include "queue.h"
/*
* Number of network buffers to use
*/
#define NBUF_MAX 30
/*
* Size of each buffer in bytes
*/
#ifndef NBUF_SZ
#define NBUF_SZ 1520
#endif
/*
* Defines to identify all the buffer queues
* - FREE must always be defined as 0
*/
#define NBUF_FREE 0 /* available buffers */
#define NBUF_TX_RING 1 /* buffers in the Tx BD ring */
#define NBUF_RX_RING 2 /* buffers in the Rx BD ring */
#define NBUF_SCRATCH 3 /* misc */
#define NBUF_MAXQ 4 /* total number of queueus */
/*
* Buffer Descriptor Format
*
* Fields:
* next Pointer to next node in the queue
* data Pointer to the data buffer
* offset Index into buffer
* length Remaining bytes in buffer from (data + offset)
*/
typedef struct
{
QNODE node;
uint8_t *data;
uint16_t offset;
uint16_t length;
} NBUF;
/*
* Functions to manipulate the network buffers.
*/
int
nbuf_init(void);
void
nbuf_flush(void);
NBUF *
nbuf_alloc (void);
void
nbuf_free(NBUF *);
NBUF *
nbuf_remove(int);
void
nbuf_add(int, NBUF *);
void
nbuf_reset(void);
void
nbuf_debug_dump(void);
/********************************************************************/
#endif /* _NBUF_H_ */
/*
* File: nbuf.h
* Purpose: Definitions for network buffer management
*
* Notes: These routines implement a network buffer scheme
*/
#ifndef _NBUF_H_
#define _NBUF_H_
/********************************************************************/
/*
* Include the Queue structure definitions
*/
#include "queue.h"
/*
* Number of network buffers to use
*/
#define NBUF_MAX 30
/*
* Size of each buffer in bytes
*/
#ifndef NBUF_SZ
#define NBUF_SZ 1520
#endif
/*
* Defines to identify all the buffer queues
* - FREE must always be defined as 0
*/
#define NBUF_FREE 0 /* available buffers */
#define NBUF_TX_RING 1 /* buffers in the Tx BD ring */
#define NBUF_RX_RING 2 /* buffers in the Rx BD ring */
#define NBUF_SCRATCH 3 /* misc */
#define NBUF_MAXQ 4 /* total number of queueus */
/*
* Buffer Descriptor Format
*
* Fields:
* next Pointer to next node in the queue
* data Pointer to the data buffer
* offset Index into buffer
* length Remaining bytes in buffer from (data + offset)
*/
typedef struct
{
QNODE node;
uint8_t *data;
uint16_t offset;
uint16_t length;
} NBUF;
/*
* Functions to manipulate the network buffers.
*/
extern int nbuf_init(void);
extern void nbuf_flush(void);
extern NBUF *nbuf_alloc (void);
extern void nbuf_free(NBUF *);
extern NBUF *nbuf_remove(int);
extern void nbuf_add(int, NBUF *);
extern void nbuf_reset(void);
extern void nbuf_debug_dump(void);
#endif /* _NBUF_H_ */

4
include/net.h
View File

@@ -1,6 +1,6 @@
/*
* File: net.h
* Purpose: Network definitions and prototypes for dBUG.
* Purpose: Network definitions and prototypes for BaS.
*
* Notes:
*/
@@ -24,7 +24,7 @@
/********************************************************************/
int net_init(void);
extern int net_init(void);
/********************************************************************/

3
include/net_timer.h
View File

@@ -1,9 +1,8 @@
/*
* File: net_timer.h
* Purpose: Provide a timer use by the dBUG network as a timeout
* Purpose: Provide a timer use by the BaS network as a timeout
* indicator
*
* Notes:
*/
#ifndef _TIMER_H_

2
include/tftp.h
View File

@@ -8,8 +8,6 @@
#ifndef _TFTP_H_
#define _TFTP_H_
/********************************************************************/
#define TFTP_RRQ (1)
#define TFTP_WRQ (2)
#define TFTP_DATA (3)