URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [bootloaders/] [orpmon/] [services/] [arp.c] - Diff between revs 175 and 406

Go to most recent revision | Show entire file | Details | Blame | View Log

Rev 175	Rev 406
Line 30...	Line 30...
`#include "string.h"`	`#include "string.h"`

`#define TIMEOUT 5 /* Seconds before trying ARP again */`	`#define TIMEOUT 5 /* Seconds before trying ARP again */`
`#define TIMEOUT_COUNT 1 /* # of timeouts before giving up */`	`#define TIMEOUT_COUNT 1 /* # of timeouts before giving up */`
`#define DEBUG // jb`	`#define DEBUG // jb`
`static void ArpHandler(unsigned char *pkt, unsigned dest, unsigned src, unsigned len);`	`static void ArpHandler(unsigned char *pkt, unsigned dest, unsigned src,`
	`unsigned len);`
`static void ArpTimeout(void);`	`static void ArpTimeout(void);`

`int ArpTry = 0;`	`int ArpTry = 0;`

`/*`	`/*`
Line 50...	Line 51...
`#endif`	`#endif`
`TftpStart ();`	`TftpStart ();`
`}`	`}`
`}`	`}`


`/*`	`/*`
`* Timeout on ARP request.`	`* Timeout on ARP request.`
`*/`	`*/`
`static void`	`static void ArpTimeout(void)`
`ArpTimeout(void)`
`{`	`{`
`if (ArpTry >= TIMEOUT_COUNT) {`	`if (ArpTry >= TIMEOUT_COUNT) {`
`printf("\nRetry count exceeded; starting again\n");`	`printf("\nRetry count exceeded; starting again\n");`
`NetStartAgain ();`	`NetStartAgain ();`
`} else {`	`} else {`
`NetSetTimeout (TIMEOUT * TICKS_PER_SEC, ArpTimeout);`	`NetSetTimeout (TIMEOUT * TICKS_PER_SEC, ArpTimeout);`
`ArpRequest ();`	`ArpRequest ();`
`}`	`}`
`}`	`}`

	`void ArpRequest(void)`
`void`
`ArpRequest (void)`
`{`	`{`
`int i;`	`int i;`
`volatile unsigned char *pkt;`	`volatile unsigned char *pkt;`
`ARP_t * arp;`	`ARP_t * arp;`
`#ifdef DEBUG`	`#ifdef DEBUG`
`printf("ARP broadcast %d\n", ++ArpTry);`	`printf("ARP broadcast %d\n", ++ArpTry);`
`#endif`	`#endif`
	`// NetTxPacket is a char* to global buffer used for constructing`
	`// a packet to send.`
`pkt = NetTxPacket;`	`pkt = NetTxPacket;`

	`// Setup an ethernet header for ARP protocol in packet`
`NetSetEther(pkt, NetBcastAddr, PROT_ARP);`	`NetSetEther(pkt, NetBcastAddr, PROT_ARP);`
`pkt += ETHER_HDR_SIZE;`	`pkt += ETHER_HDR_SIZE;`

`arp = (ARP_t *)pkt;`	`arp = (ARP_t *)pkt;`

Line 112...	Line 112...

`NetSetTimeout(TIMEOUT * TICKS_PER_SEC, ArpTimeout);`	`NetSetTimeout(TIMEOUT * TICKS_PER_SEC, ArpTimeout);`
`NetSetHandler(ArpHandler);`	`NetSetHandler(ArpHandler);`
`}`	`}`


`No newline at end of file`	`No newline at end of file`

Browse

Tools

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [bootloaders/] [orpmon/] [services/] [arp.c] - Diff between revs 175 and 406