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added debug output

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This commit is contained in:
Markus Fröschle
2013-12-24 16:40:23 +00:00
parent ca041d331b
commit 75677cf1a7
4 changed files with 315 additions and 299 deletions
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29
include/ip.h
View File

@@ -73,28 +73,11 @@ typedef struct
/********************************************************************/
void
ip_handler (NIF *, NBUF *);
uint16_t
ip_chksum (uint16_t *, int);
int
ip_send (NIF *,
uint8_t *, /* destination IP */
uint8_t *, /* source IP */
uint8_t, /* protocol */
NBUF * /* buffer descriptor */);
void
ip_init (IP_INFO *, IP_ADDR_P, IP_ADDR_P, IP_ADDR_P);
uint8_t *
ip_get_myip (IP_INFO *);
uint8_t *
ip_resolve_route (NIF *, IP_ADDR_P);
/********************************************************************/
extern void ip_handler(NIF *nif, NBUF *nbf);
uint16_t ip_chksum(uint16_t *data, int num);
extern int ip_send(NIF *nif, uint8_t *dest_addr, uint8_t *src_addr, uint8_t protocol, NBUF *nbf);
extern void ip_init(IP_INFO *, IP_ADDR_P, IP_ADDR_P, IP_ADDR_P);
extern uint8_t *ip_get_myip(IP_INFO *);
extern uint8_t *ip_resolve_route(NIF *, IP_ADDR_P);
#endif /* _IP_H */

1
net/bootp.c
View File

@@ -50,6 +50,7 @@ void bootp_request(NIF *nif, uint8_t *pa)
p->yi_addr = 0x0;
p->gi_addr = 0x0;
connection.nif = nif;
addr = &nif->hwa[0];
for (i = 0; i < 6; i++)
p->ch_addr[i] = addr[i];

53
net/ip.c
View File

@@ -11,6 +11,13 @@
#include <stddef.h>
#define IP_DEBUG
#if defined(IP_DEBUG)
#define dbg(format, arg...) do { xprintf("DEBUG: " format "\r\n", ##arg); } while (0)
#else
#define dbg(format, arg...) do { ; } while (0)
#endif
void ip_init(IP_INFO *info, IP_ADDR_P myip, IP_ADDR_P gateway, IP_ADDR_P netmask)
{
int index;
@@ -35,6 +42,7 @@ uint8_t *ip_get_myip(IP_INFO *info)
{
return (uint8_t *) &info->myip[0];
}
dbg("%s: info is NULL!\n\t", __FUNCTION__);
return 0;
}
@@ -59,10 +67,17 @@ uint8_t *ip_resolve_route(NIF *nif, IP_ADDR_P destip)
*/
IP_INFO *info;
IP_ADDR mask, result;
IP_ADDR bc = { 255, 255, 255, 255 };
int i;
info = nif_get_protocol_info(nif, ETH_FRM_IP);
if (memcmp(destip, bc) == 0)
{
dbg("%s: destip is broadcast address, no gateway needed\r\n", __FUNCTION__);
return destip;
}
/* create mask for local IP */
for (i = 0; i < sizeof(IP_ADDR); i++)
{
@@ -153,42 +168,46 @@ int ip_send(NIF *nif, uint8_t *dest, uint8_t *src, uint8_t protocol, NBUF *pNbuf
route = ip_resolve_route(nif, dest);
if (route == NULL)
{
xprintf("Unable to locate %d.%d.%d.%d\n",
dbg("Unable to locate %d.%d.%d.%d\n",
dest[0], dest[1], dest[2], dest[3]);
return 0;
}
}
else
{
route = bc;
dbg("%s: route = broadcast\r\n", __FUNCTION__);
dbg("%s: nif = %p\r\n", __FUNCTION__, nif);
dbg("%s: nif->send = %p\n\t", __FUNCTION__, nif->send);
}
return nif->send(nif, route, &nif->hwa[0], ETH_FRM_IP, pNbuf);
}
#if defined(DEBUG_PRINT)
void
dump_ip_frame (ip_frame_hdr *ipframe)
void dump_ip_frame(ip_frame_hdr *ipframe)
{
printf("Version: %02X\n", ((ipframe->version_ihl & 0x00f0) >> 4));
printf("IHL: %02X\n", ipframe->version_ihl & 0x000f);
printf("Service: %02X\n", ipframe->service_type);
printf("Length: %04X\n", ipframe->total_length);
printf("Ident: %04X\n", ipframe->identification);
printf("Flags: %02X\n", ((ipframe->flags_frag_offset & 0xC000) >> 14));
printf("Frag: %04X\n", ipframe->flags_frag_offset & 0x3FFF);
printf("TTL: %02X\n", ipframe->ttl);
printf("Protocol: %02X\n", ipframe->protocol);
printf("Chksum: %04X\n", ipframe->checksum);
printf("Source : %d.%d.%d.%d\n",
xprintf("Version: %02X\n", ((ipframe->version_ihl & 0x00f0) >> 4));
xprintf("IHL: %02X\n", ipframe->version_ihl & 0x000f);
xprintf("Service: %02X\n", ipframe->service_type);
xprintf("Length: %04X\n", ipframe->total_length);
xprintf("Ident: %04X\n", ipframe->identification);
xprintf("Flags: %02X\n", ((ipframe->flags_frag_offset & 0xC000) >> 14));
xprintf("Frag: %04X\n", ipframe->flags_frag_offset & 0x3FFF);
xprintf("TTL: %02X\n", ipframe->ttl);
xprintf("Protocol: %02X\n", ipframe->protocol);
xprintf("Chksum: %04X\n", ipframe->checksum);
xprintf("Source : %d.%d.%d.%d\n",
ipframe->source_addr[0],
ipframe->source_addr[1],
ipframe->source_addr[2],
ipframe->source_addr[3]);
printf("Dest : %d.%d.%d.%d\n",
xprintf("Dest : %d.%d.%d.%d\n",
ipframe->dest_addr[0],
ipframe->dest_addr[1],
ipframe->dest_addr[2],
ipframe->dest_addr[3]);
printf("Options: %08X\n", ipframe->options);
xprintf("Options: %08X\n", ipframe->options);
}
#endif
@@ -261,7 +280,7 @@ void ip_handler(NIF *nif, NBUF *pNbuf)
*/
ip_frame_hdr *ipframe;
ipframe = (ip_frame_hdr *)&pNbuf->data[pNbuf->offset];
ipframe = (ip_frame_hdr *) &pNbuf->data[pNbuf->offset];
/*
* Verify valid IP header and destination IP

13
net/udp.c
View File

@@ -11,6 +11,13 @@
#include "net.h"
#include <stddef.h>
#define UDP_DEBUG
#if defined(UDP_DEBUG)
#define dbg(format, arg...) do { xprintf("DEBUG: " format "\r\n", ##arg); } while (0)
#else
#define dbg(format, arg...) do { ; } while (0)
#endif
typedef struct
{
uint16_t port;
@@ -99,6 +106,12 @@ uint16_t udp_obtain_free_port(void)
int udp_send(NIF *nif, uint8_t *dest, int sport, int dport, NBUF *pNbuf)
{
if (nif == NULL)
{
dbg("%s: nif is NULL\r\n", __FUNCTION__);
return 0;
}
/*
* This function takes data and creates a UDP frame and
* passes it onto the IP layer