*
* DHCP:
*
- * Prerequisites: - own ethernet address
- * We want: - IP, Netmask, ServerIP, Gateway IP
- * - bootfilename, lease time
- * Next step: - TFTP
+ * Prerequisites: - own ethernet address
+ * We want: - IP, Netmask, ServerIP, Gateway IP
+ * - bootfilename, lease time
+ * Next step: - TFTP
*
* TFTP:
*
* derived from our own IP address)
* We want: - load the boot file
* Next step: none
+ *
+ * SNTP:
+ *
+ * Prerequisites: - own ethernet address
+ * - own IP address
+ * We want: - network time
+ * Next step: none
*/
#include <status_led.h>
#include <miiphy.h>
#endif
+#if (CONFIG_COMMANDS & CFG_CMD_SNTP)
+#include "sntp.h"
+#endif
#if (CONFIG_COMMANDS & CFG_CMD_NET)
+DECLARE_GLOBAL_DATA_PTR;
+
#define ARP_TIMEOUT 5 /* Seconds before trying ARP again */
#ifndef CONFIG_NET_RETRY_COUNT
# define ARP_TIMEOUT_COUNT 5 /* # of timeouts before giving up */
static void CDPStart(void);
#endif
+#if (CONFIG_COMMANDS & CFG_CMD_SNTP)
+IPaddr_t NetNtpServerIP; /* NTP server IP address */
+int NetTimeOffset=0; /* offset time from UTC */
+#endif
+
#ifdef CONFIG_NETCONSOLE
void NcStart(void);
int nc_input_packet(uchar *pkt, unsigned dest, unsigned src, unsigned len);
IPaddr_t NetArpWaitPacketIP;
IPaddr_t NetArpWaitReplyIP;
uchar *NetArpWaitPacketMAC; /* MAC address of waiting packet's destination */
-uchar *NetArpWaitTxPacket; /* THE transmit packet */
+uchar *NetArpWaitTxPacket; /* THE transmit packet */
int NetArpWaitTxPacketSize;
uchar NetArpWaitPacketBuf[PKTSIZE_ALIGN + PKTALIGN];
ulong NetArpWaitTimerStart;
arp->ar_pln = 4;
arp->ar_op = htons (ARPOP_REQUEST);
- memcpy (&arp->ar_data[0], NetOurEther, 6); /* source ET addr */
- NetWriteIP ((uchar *) & arp->ar_data[6], NetOurIP); /* source IP addr */
+ memcpy (&arp->ar_data[0], NetOurEther, 6); /* source ET addr */
+ NetWriteIP ((uchar *) & arp->ar_data[6], NetOurIP); /* source IP addr */
for (i = 10; i < 16; ++i) {
arp->ar_data[i] = 0; /* dest ET addr = 0 */
}
(NetOurIP & NetOurSubnetMask)) {
if (NetOurGatewayIP == 0) {
puts ("## Warning: gatewayip needed but not set\n");
+ NetArpWaitReplyIP = NetArpWaitPacketIP;
+ } else {
+ NetArpWaitReplyIP = NetOurGatewayIP;
}
- NetArpWaitReplyIP = NetOurGatewayIP;
} else {
NetArpWaitReplyIP = NetArpWaitPacketIP;
}
int
NetLoop(proto_t protocol)
{
- DECLARE_GLOBAL_DATA_PTR;
-
bd_t *bd = gd->bd;
#ifdef CONFIG_NET_MULTI
#ifdef CONFIG_NET_MULTI
eth_set_current();
#endif
- if (eth_init(bd) < 0)
+ if (eth_init(bd) < 0) {
+ eth_halt();
return(-1);
+ }
restart:
#ifdef CONFIG_NET_MULTI
#endif
#if (CONFIG_COMMANDS & CFG_CMD_PING)
case PING:
+#endif
+#if (CONFIG_COMMANDS & CFG_CMD_SNTP)
+ case SNTP:
#endif
case NETCONS:
case TFTP:
case PING:
/* nothing */
break;
+#endif
+#if (CONFIG_COMMANDS & CFG_CMD_SNTP)
+ case SNTP:
+ /* nothing */
+ break;
#endif
default:
break;
*/
NetOurIP = 0;
NetServerIP = getenv_IPaddr ("serverip");
- NetOurVLAN = getenv_VLAN("vlan"); /* VLANs must be read */
- NetOurNativeVLAN = getenv_VLAN("nvlan");
- case CDP:
- NetOurVLAN = getenv_VLAN("vlan"); /* VLANs must be read */
- NetOurNativeVLAN = getenv_VLAN("nvlan");
+ NetOurVLAN = getenv_VLAN("vlan"); /* VLANs must be read */
+ NetOurNativeVLAN = getenv_VLAN("nvlan");
+ case CDP:
+ NetOurVLAN = getenv_VLAN("vlan"); /* VLANs must be read */
+ NetOurNativeVLAN = getenv_VLAN("nvlan");
break;
default:
break;
switch (net_check_prereq (protocol)) {
case 1:
/* network not configured */
+ eth_halt();
return (-1);
#ifdef CONFIG_NET_MULTI
case NETCONS:
NcStart();
break;
+#endif
+#if (CONFIG_COMMANDS & CFG_CMD_SNTP)
+ case SNTP:
+ SntpStart();
+ break;
#endif
default:
break;
/*
* Echo the inverted link state to the fault LED.
*/
- if(miiphy_link(CFG_FAULT_MII_ADDR)) {
+ if(miiphy_link(eth_get_dev()->name, CFG_FAULT_MII_ADDR)) {
status_led_set (STATUS_LED_RED, STATUS_LED_OFF);
} else {
status_led_set (STATUS_LED_RED, STATUS_LED_ON);
/*
* Main packet reception loop. Loop receiving packets until
- * someone sets `NetQuit'.
+ * someone sets `NetState' to a state that terminates.
*/
for (;;) {
WATCHDOG_RESET();
thand_f *x;
#if defined(CONFIG_MII) || (CONFIG_COMMANDS & CFG_CMD_MII)
-#if defined(CFG_FAULT_ECHO_LINK_DOWN) && defined(CONFIG_STATUS_LED) && defined(STATUS_LED_RED)
+# if defined(CFG_FAULT_ECHO_LINK_DOWN) && \
+ defined(CONFIG_STATUS_LED) && \
+ defined(STATUS_LED_RED)
/*
* Echo the inverted link state to the fault LED.
*/
- if(miiphy_link(CFG_FAULT_MII_ADDR)) {
+ if(miiphy_link(eth_get_dev()->name, CFG_FAULT_MII_ADDR)) {
status_led_set (STATUS_LED_RED, STATUS_LED_OFF);
} else {
status_led_set (STATUS_LED_RED, STATUS_LED_ON);
}
-#endif /* CFG_FAULT_ECHO_LINK_DOWN, ... */
+# endif /* CFG_FAULT_ECHO_LINK_DOWN, ... */
#endif /* CONFIG_MII, ... */
x = timeHandler;
timeHandler = (thand_f *)0;
void NetStartAgain (void)
{
-#ifdef CONFIG_NET_MULTI
- DECLARE_GLOBAL_DATA_PTR;
-#endif
char *nretry;
int noretry = 0, once = 0;
int odd;
ulong result = 0;
ushort leftover;
+ ushort *p;
if (len > 0) {
odd = 1 & (ulong)buff;
buff++;
}
while (len > 1) {
- result += *((const ushort *)buff)++;
+ p = (ushort *)buff;
+ result += *p++;
+ buff = (uchar *)p;
if (result & 0x80000000)
result = (result & 0xFFFF) + (result >> 16);
len -= 2;
}
if (len) {
leftover = (signed short)(*(const signed char *)buff);
- /* * XXX CISCO SUCKS big time! (and blows too) */
+ /* CISCO SUCKS big time! (and blows too):
+ * CDP uses the IP checksum algorithm with a twist;
+ * for the last byte it *sign* extends and sums.
+ */
result = (result & 0xffff0000) | ((result + leftover) & 0x0000ffff);
}
while (result >> 16)
#endif
return;
}
+ break;
case PROT_RARP:
#ifdef ET_DEBUG
switch (icmph->type) {
case ICMP_REDIRECT:
- if (icmph->code != ICMP_REDIR_HOST)
+ if (icmph->code != ICMP_REDIR_HOST)
+ return;
+ puts (" ICMP Host Redirect to ");
+ print_IPaddr(icmph->un.gateway);
+ putc(' ');
return;
- puts (" ICMP Host Redirect to ");
- print_IPaddr(icmph->un.gateway);
- putc(' ');
- break;
#if (CONFIG_COMMANDS & CFG_CMD_PING)
case ICMP_ECHO_REPLY:
/*
*/
/* XXX point to ip packet */
(*packetHandler)((uchar *)ip, 0, 0, 0);
- break;
+ return;
+ case ICMP_ECHO_REQUEST:
+#ifdef ET_DEBUG
+ printf ("Got ICMP ECHO REQUEST, return %d bytes \n",
+ ETHER_HDR_SIZE + len);
+#endif
+ memcpy (&et->et_dest[0], &et->et_src[0], 6);
+ memcpy (&et->et_src[ 0], NetOurEther, 6);
+
+ ip->ip_sum = 0;
+ ip->ip_off = 0;
+ NetCopyIP((void*)&ip->ip_dst, &ip->ip_src);
+ NetCopyIP((void*)&ip->ip_src, &NetOurIP);
+ ip->ip_sum = ~NetCksum((uchar *)ip, IP_HDR_SIZE_NO_UDP >> 1);
+
+ icmph->type = ICMP_ECHO_REPLY;
+ icmph->checksum = 0;
+ icmph->checksum = ~NetCksum((uchar *)icmph,
+ (len - IP_HDR_SIZE_NO_UDP) >> 1);
+ (void) eth_send((uchar *)et, ETHER_HDR_SIZE + len);
+ return;
#endif
default:
return;
return;
}
+#ifdef CONFIG_UDP_CHECKSUM
+ if (ip->udp_xsum != 0) {
+ ulong xsum;
+ ushort *sumptr;
+ ushort sumlen;
+
+ xsum = ip->ip_p;
+ xsum += (ntohs(ip->udp_len));
+ xsum += (ntohl(ip->ip_src) >> 16) & 0x0000ffff;
+ xsum += (ntohl(ip->ip_src) >> 0) & 0x0000ffff;
+ xsum += (ntohl(ip->ip_dst) >> 16) & 0x0000ffff;
+ xsum += (ntohl(ip->ip_dst) >> 0) & 0x0000ffff;
+
+ sumlen = ntohs(ip->udp_len);
+ sumptr = (ushort *) &(ip->udp_src);
+
+ while (sumlen > 1) {
+ ushort sumdata;
+
+ sumdata = *sumptr++;
+ xsum += ntohs(sumdata);
+ sumlen -= 2;
+ }
+ if (sumlen > 0) {
+ ushort sumdata;
+
+ sumdata = *(unsigned char *) sumptr;
+ sumdata = (sumdata << 8) & 0xff00;
+ xsum += sumdata;
+ }
+ while ((xsum >> 16) != 0) {
+ xsum = (xsum & 0x0000ffff) + ((xsum >> 16) & 0x0000ffff);
+ }
+ if ((xsum != 0x00000000) && (xsum != 0x0000ffff)) {
+ printf(" UDP wrong checksum %08x %08x\n", xsum, ntohs(ip->udp_xsum));
+ return;
+ }
+ }
+#endif
+
#ifdef CONFIG_NETCONSOLE
nc_input_packet((uchar *)ip +IP_HDR_SIZE,
ntohs(ip->udp_dst),
}
goto common;
#endif
+#if (CONFIG_COMMANDS & CFG_CMD_SNTP)
+ case SNTP:
+ if (NetNtpServerIP == 0) {
+ puts ("*** ERROR: NTP server address not given\n");
+ return (1);
+ }
+ goto common;
+#endif
#if (CONFIG_COMMANDS & CFG_CMD_NFS)
case NFS:
#endif
puts ("*** ERROR: `serverip' not set\n");
return (1);
}
-#if (CONFIG_COMMANDS & CFG_CMD_PING)
- common:
+#if (CONFIG_COMMANDS & (CFG_CMD_PING | CFG_CMD_SNTP))
+ common:
#endif
if (NetOurIP == 0) {
NetCksum(uchar * ptr, int len)
{
ulong xsum;
+ ushort *p = (ushort *)ptr;
xsum = 0;
while (len-- > 0)
- xsum += *((ushort *)ptr)++;
+ xsum += *p++;
xsum = (xsum & 0xffff) + (xsum >> 16);
xsum = (xsum & 0xffff) + (xsum >> 16);
return (xsum & 0xffff);
ip->ip_sum = ~NetCksum((uchar *)ip, IP_HDR_SIZE_NO_UDP / 2);
}
-void copy_filename (uchar *dst, uchar *src, int size)
+void copy_filename (char *dst, char *src, int size)
{
if (*src && (*src == '"')) {
++src;
projects / u-boot / blobdiff