*
* 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 */
uchar NetEtherNullAddr[6] =
{ 0, 0, 0, 0, 0, 0 };
#if (CONFIG_COMMANDS & CFG_CMD_CDP)
-uchar NetCDPAddr[6] = /* Ethernet bcast address */
+uchar NetCDPAddr[6] = /* Ethernet bcast address */
{ 0x01, 0x00, 0x0c, 0xcc, 0xcc, 0xcc };
#endif
int NetState; /* Network loop state */
static int NetDevExists = 0; /* At least one device configured */
#endif
-ushort NetOurVLAN = ntohs(-1); /* default is without VLAN */
-ushort NetOurNativeVLAN = htons(-1); /* dido */
+/* XXX in both little & big endian machines 0xFFFF == ntohs(-1) */
+ushort NetOurVLAN = 0xFFFF; /* default is without VLAN */
+ushort NetOurNativeVLAN = 0xFFFF; /* ditto */
char BootFile[128]; /* Boot File name */
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);
+#endif
+
volatile uchar PktBuf[(PKTBUFSRX+1) * PKTSIZE_ALIGN + PKTALIGN];
volatile uchar *NetRxPackets[PKTBUFSRX]; /* Receive packets */
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;
int NetArpWaitTry;
-void ArpRequest(void)
+void ArpRequest (void)
{
int i;
volatile uchar *pkt;
- ARP_t * arp;
+ ARP_t *arp;
#ifdef ET_DEBUG
- printf("ARP broadcast %d\n", NetArpWaitTry);
+ printf ("ARP broadcast %d\n", NetArpWaitTry);
#endif
pkt = NetTxPacket;
- pkt += NetSetEther(pkt, NetBcastAddr, PROT_ARP);
+ pkt += NetSetEther (pkt, NetBcastAddr, PROT_ARP);
- arp = (ARP_t *)pkt;
+ arp = (ARP_t *) pkt;
- arp->ar_hrd = htons(ARP_ETHER);
- arp->ar_pro = htons(PROT_IP);
+ arp->ar_hrd = htons (ARP_ETHER);
+ arp->ar_pro = htons (PROT_IP);
arp->ar_hln = 6;
arp->ar_pln = 4;
- arp->ar_op = htons(ARPOP_REQUEST);
+ 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 */
- for (i=10; i<16; ++i) {
- arp->ar_data[i] = 0; /* dest ET addr = 0 */
+ 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 */
}
- if((NetArpWaitPacketIP & NetOurSubnetMask) != (NetOurIP & NetOurSubnetMask)) {
- if (NetOurGatewayIP == 0) {
- puts ("## Warning: gatewayip needed but not set\n");
- }
- NetArpWaitReplyIP = NetOurGatewayIP;
- } else
- NetArpWaitReplyIP = NetArpWaitPacketIP;
+ if ((NetArpWaitPacketIP & NetOurSubnetMask) !=
+ (NetOurIP & NetOurSubnetMask)) {
+ if (NetOurGatewayIP == 0) {
+ puts ("## Warning: gatewayip needed but not set\n");
+ NetArpWaitReplyIP = NetArpWaitPacketIP;
+ } else {
+ NetArpWaitReplyIP = NetOurGatewayIP;
+ }
+ } else {
+ NetArpWaitReplyIP = NetArpWaitPacketIP;
+ }
- NetWriteIP((uchar*)&arp->ar_data[16], NetArpWaitReplyIP);
- (void) eth_send(NetTxPacket, (pkt - NetTxPacket) + ARP_HDR_SIZE);
+ NetWriteIP ((uchar *) & arp->ar_data[16], NetArpWaitReplyIP);
+ (void) eth_send (NetTxPacket, (pkt - NetTxPacket) + ARP_HDR_SIZE);
}
void ArpTimeoutCheck(void)
int
NetLoop(proto_t protocol)
{
- DECLARE_GLOBAL_DATA_PTR;
-
bd_t *bd = gd->bd;
#ifdef CONFIG_NET_MULTI
if (!NetTxPacket) {
int i;
-
/*
* Setup packet buffers, aligned correctly.
*/
for (i = 0; i < PKTBUFSRX; i++) {
NetRxPackets[i] = NetTxPacket + (i+1)*PKTSIZE_ALIGN;
}
-
}
if (!NetArpWaitTxPacket) {
}
eth_halt();
+#ifdef CONFIG_NET_MULTI
eth_set_current();
- if(eth_init(bd) < 0)
- return(-1);
+#endif
+ if (eth_init(bd) < 0) {
+ eth_halt();
+ return(-1);
+ }
restart:
#ifdef CONFIG_NET_MULTI
#if (CONFIG_COMMANDS & CFG_CMD_PING)
case PING:
#endif
+#if (CONFIG_COMMANDS & CFG_CMD_SNTP)
+ case SNTP:
+#endif
+ case NETCONS:
case TFTP:
NetCopyIP(&NetOurIP, &bd->bi_ip_addr);
NetOurGatewayIP = getenv_IPaddr ("gatewayip");
#if (CONFIG_COMMANDS & CFG_CMD_NFS)
case NFS:
#endif
+ case NETCONS:
case TFTP:
NetServerIP = getenv_IPaddr ("serverip");
break;
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
#if (CONFIG_COMMANDS & CFG_CMD_DHCP)
case DHCP:
/* Start with a clean slate... */
+ BootpTry = 0;
NetOurIP = 0;
NetServerIP = getenv_IPaddr ("serverip");
DhcpRequest(); /* Basically same as BOOTP */
case CDP:
CDPStart();
break;
+#endif
+#ifdef CONFIG_NETCONSOLE
+ 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;
/* Totally ignore the packet */
}
-void
-NetStartAgain(void)
+void NetStartAgain (void)
{
- DECLARE_GLOBAL_DATA_PTR;
- char *s;
+ char *nretry;
+ int noretry = 0, once = 0;
- if ((s = getenv("netretry")) != NULL && *s == 'n') {
- eth_halt();
+ if ((nretry = getenv ("netretry")) != NULL) {
+ noretry = (strcmp (nretry, "no") == 0);
+ once = (strcmp (nretry, "once") == 0);
+ }
+ if (noretry) {
+ eth_halt ();
NetState = NETLOOP_FAIL;
return;
}
-
#ifndef CONFIG_NET_MULTI
- NetSetTimeout(10 * CFG_HZ, startAgainTimeout);
- NetSetHandler(startAgainHandler);
-#else
- eth_halt();
- eth_try_another(!NetRestarted);
- eth_init(gd->bd);
- if (NetRestartWrap)
- {
+ NetSetTimeout (10 * CFG_HZ, startAgainTimeout);
+ NetSetHandler (startAgainHandler);
+#else /* !CONFIG_NET_MULTI*/
+ eth_halt ();
+ eth_try_another (!NetRestarted);
+ eth_init (gd->bd);
+ if (NetRestartWrap) {
NetRestartWrap = 0;
- if (NetDevExists)
- {
- NetSetTimeout(10 * CFG_HZ, startAgainTimeout);
- NetSetHandler(startAgainHandler);
- }
- else
- {
+ if (NetDevExists && !once) {
+ NetSetTimeout (10 * CFG_HZ, startAgainTimeout);
+ NetSetHandler (startAgainHandler);
+ } else {
NetState = NETLOOP_FAIL;
}
- }
- else
- {
+ } else {
NetState = NETLOOP_RESTART;
}
-#endif
+#endif /* CONFIG_NET_MULTI */
}
/**********************************************************************/
void
-NetSetTimeout(int iv, thand_f * f)
+NetSetTimeout(ulong iv, thand_f * f)
{
if (iv == 0) {
timeHandler = (thand_f *)0;
#ifdef ET_DEBUG
printf("sending UDP to %08lx/%02x:%02x:%02x:%02x:%02x:%02x\n",
- dest, ether[0], ether[1], ether[2], ether[3], ether[4], ether[5]);
+ dest, ether[0], ether[1], ether[2], ether[3], ether[4], ether[5]);
#endif
pkt = (uchar *)NetTxPacket;
NetSetIP (pkt, dest, dport, sport, len);
(void) eth_send(NetTxPacket, (pkt - NetTxPacket) + IP_HDR_SIZE + len);
- return 0; /* transmited */
+ return 0; /* transmitted */
}
#if (CONFIG_COMMANDS & CFG_CMD_PING)
{
#if defined(CONFIG_NET_MULTI)
printf ("Using %s device\n", eth_get_name());
-#endif
+#endif /* CONFIG_NET_MULTI */
NetSetTimeout (10 * CFG_HZ, PingTimeout);
NetSetHandler (PingHandler);
PingSend();
}
-
-#endif
+#endif /* CFG_CMD_PING */
#if (CONFIG_COMMANDS & CFG_CMD_CDP)
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)
volatile ushort *s;
volatile ushort *cp;
Ethernet_t *et;
- char buf[32];
int len;
ushort chksum;
+#if defined(CONFIG_CDP_DEVICE_ID) || defined(CONFIG_CDP_PORT_ID) || \
+ defined(CONFIG_CDP_VERSION) || defined(CONFIG_CDP_PLATFORM)
+ char buf[32];
+#endif
pkt = NetTxPacket;
et = (Ethernet_t *)pkt;
CDPSendTrigger();
}
-
-#endif
+#endif /* CFG_CMD_CDP */
void
/* save address for later use */
memcpy(NetArpWaitPacketMAC, &arp->ar_data[0], 6);
+#ifdef CONFIG_NETCONSOLE
+ (*packetHandler)(0,0,0,0);
+#endif
/* modify header, and transmit it */
memcpy(((Ethernet_t *)NetArpWaitTxPacket)->et_dest, NetArpWaitPacketMAC, 6);
(void) eth_send(NetArpWaitTxPacket, NetArpWaitTxPacketSize);
#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;
#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),
+ ntohs(ip->udp_src),
+ ntohs(ip->udp_len) - 8);
+#endif
/*
* IP header OK. Pass the packet to the current handler.
*/
ntohs(ip->udp_dst),
ntohs(ip->udp_src),
ntohs(ip->udp_len) - 8);
-
break;
}
}
static int net_check_prereq (proto_t protocol)
{
switch (protocol) {
- /* Fall through */
+ /* Fall through */
#if (CONFIG_COMMANDS & CFG_CMD_PING)
case PING:
- if (NetPingIP == 0) {
- puts ("*** ERROR: ping address not given\n");
- return (1);
- }
- goto common;
+ if (NetPingIP == 0) {
+ puts ("*** ERROR: ping address not given\n");
+ return (1);
+ }
+ 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
+ case NETCONS:
case TFTP:
- if (NetServerIP == 0) {
- puts ("*** ERROR: `serverip' not set\n");
- return (1);
- }
-
-#if (CONFIG_COMMANDS & CFG_CMD_PING)
- common:
+ if (NetServerIP == 0) {
+ puts ("*** ERROR: `serverip' not set\n");
+ return (1);
+ }
+#if (CONFIG_COMMANDS & (CFG_CMD_PING | CFG_CMD_SNTP))
+ common:
#endif
- if (NetOurIP == 0) {
- puts ("*** ERROR: `ipaddr' not set\n");
- return (1);
- }
- /* Fall through */
+ if (NetOurIP == 0) {
+ puts ("*** ERROR: `ipaddr' not set\n");
+ return (1);
+ }
+ /* Fall through */
case DHCP:
case RARP:
case BOOTP:
case CDP:
- if (memcmp(NetOurEther, "\0\0\0\0\0\0", 6) == 0) {
+ if (memcmp (NetOurEther, "\0\0\0\0\0\0", 6) == 0) {
#ifdef CONFIG_NET_MULTI
- extern int eth_get_dev_index (void);
- int num = eth_get_dev_index();
+ extern int eth_get_dev_index (void);
+ int num = eth_get_dev_index ();
- switch (num) {
- case -1:
+ switch (num) {
+ case -1:
puts ("*** ERROR: No ethernet found.\n");
return (1);
- case 0:
+ case 0:
puts ("*** ERROR: `ethaddr' not set\n");
break;
- default:
+ default:
printf ("*** ERROR: `eth%daddr' not set\n",
num);
break;
- }
+ }
- NetStartAgain ();
- return (2);
+ NetStartAgain ();
+ return (2);
#else
- puts ("*** ERROR: `ethaddr' not set\n");
- return (1);
+ puts ("*** ERROR: `ethaddr' not set\n");
+ return (1);
#endif
- }
- /* Fall through */
- default:
- return(0);
+ }
+ /* Fall through */
+ default:
+ return (0);
}
- return (0); /* OK */
+ return (0); /* OK */
}
/**********************************************************************/
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);
/*
* Construct an IP and UDP header.
- (need to set no fragment bit - XXX)
+ * (need to set no fragment bit - XXX)
*/
ip->ip_hl_v = 0x45; /* IP_HDR_SIZE / 4 (not including UDP) */
ip->ip_tos = 0;
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;
(int) ((x >> 24) & 0xff),
(int) ((x >> 16) & 0xff),
(int) ((x >> 8) & 0xff), (int) ((x >> 0) & 0xff)
- );
+ );
}
IPaddr_t string_to_ip(char *s)
ushort id;
if (s == NULL)
- return VLAN_NONE;
+ return htons(VLAN_NONE);
if (*s < '0' || *s > '9')
id = VLAN_NONE;
else
id = (ushort)simple_strtoul(s, NULL, 10);
- return id;
+ return htons(id);
}
void print_IPaddr (IPaddr_t x)
projects / oweals / u-boot.git / blobdiff