* Copyright 2000-2004 Wolfgang Denk, wd@denx.de
*/
-#if 0
-#define DEBUG 1 /* general debug */
-#define DEBUG_BOOTP_EXT 1 /* Debug received vendor fields */
-#endif
-
-#ifdef DEBUG_BOOTP_EXT
-#define debug_ext(fmt,args...) printf (fmt ,##args)
-#else
-#define debug_ext(fmt,args...)
-#endif
-
#include <common.h>
#include <command.h>
#include <net.h>
#define BOOTP_VENDOR_MAGIC 0x63825363 /* RFC1048 Magic Cookie */
-#if defined(CONFIG_CMD_NET)
-
#define TIMEOUT 5000UL /* Milliseconds before trying BOOTP again */
#ifndef CONFIG_NET_RETRY_COUNT
# define TIMEOUT_COUNT 5 /* # of timeouts before giving up */
dhcp_state_t dhcp_state = INIT;
unsigned long dhcp_leasetime = 0;
IPaddr_t NetDHCPServerIP = 0;
-static void DhcpHandler(uchar * pkt, unsigned dest, unsigned src, unsigned len);
+static void DhcpHandler(uchar *pkt, unsigned dest, IPaddr_t sip, unsigned src,
+ unsigned len);
/* For Debug */
#if 0
retval = -6;
}
- debug ("Filtering pkt = %d\n", retval);
+ debug("Filtering pkt = %d\n", retval);
return retval;
}
NetCopyIP(&tmp_ip, &bp->bp_siaddr);
if (tmp_ip != 0)
NetCopyIP(&NetServerIP, &bp->bp_siaddr);
- memcpy (NetServerEther, ((Ethernet_t *)NetRxPkt)->et_src, 6);
+ memcpy (NetServerEther, ((Ethernet_t *)NetRxPacket)->et_src, 6);
#endif
if (strlen(bp->bp_file) > 0)
copy_filename (BootFile, bp->bp_file, sizeof(BootFile));
- debug ("Bootfile: %s\n", BootFile);
+ debug("Bootfile: %s\n", BootFile);
/* Propagate to environment:
* don't delete exising entry when BOOTP / DHCP reply does
return (curlen);
}
+/*
+ * Check if autoload is enabled. If so, use either NFS or TFTP to download
+ * the boot file.
+ */
+static void auto_load(void)
+{
+ const char *s = getenv("autoload");
+
+ if (s != NULL) {
+ if (*s == 'n') {
+ /*
+ * Just use BOOTP to configure system;
+ * Do not use TFTP to load the bootfile.
+ */
+ NetState = NETLOOP_SUCCESS;
+ return;
+ }
+#if defined(CONFIG_CMD_NFS)
+ if (strcmp(s, "NFS") == 0) {
+ /*
+ * Use NFS to load the bootfile.
+ */
+ NfsStart();
+ return;
+ }
+#endif
+ }
+ TftpStart();
+}
+
#if !defined(CONFIG_CMD_DHCP)
static void BootpVendorFieldProcess (u8 * ext)
{
int size = *(ext + 1);
- debug_ext ("[BOOTP] Processing extension %d... (%d bytes)\n", *ext,
+ debug("[BOOTP] Processing extension %d... (%d bytes)\n", *ext,
*(ext + 1));
NetBootFileSize = 0;
NetOurNISDomain[size] = 0;
}
break;
+#if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_NTPSERVER)
+ case 42: /* NTP server IP */
+ NetCopyIP(&NetNtpServerIP, (IPaddr_t *) (ext + 2));
+ break;
+#endif
/* Application layer fields */
case 43: /* Vendor specific info - Not yet supported */
/*
{
u8 *end = ext + size;
- debug_ext ("[BOOTP] Checking extension (%d bytes)...\n", size);
+ debug("[BOOTP] Checking extension (%d bytes)...\n", size);
while ((ext < end) && (*ext != 0xff)) {
if (*ext == 0) {
}
}
-#ifdef DEBUG_BOOTP_EXT
- puts ("[BOOTP] Received fields: \n");
+ debug("[BOOTP] Received fields: \n");
if (NetOurSubnetMask)
- printf ("NetOurSubnetMask : %pI4\n", &NetOurSubnetMask);
+ debug("NetOurSubnetMask : %pI4\n", &NetOurSubnetMask);
if (NetOurGatewayIP)
- printf ("NetOurGatewayIP : %pI4", &NetOurGatewayIP);
+ debug("NetOurGatewayIP : %pI4", &NetOurGatewayIP);
- if (NetBootFileSize) {
- printf ("NetBootFileSize : %d\n", NetBootFileSize);
- }
+ if (NetBootFileSize)
+ debug("NetBootFileSize : %d\n", NetBootFileSize);
- if (NetOurHostName[0]) {
- printf ("NetOurHostName : %s\n", NetOurHostName);
- }
+ if (NetOurHostName[0])
+ debug("NetOurHostName : %s\n", NetOurHostName);
- if (NetOurRootPath[0]) {
- printf ("NetOurRootPath : %s\n", NetOurRootPath);
- }
+ if (NetOurRootPath[0])
+ debug("NetOurRootPath : %s\n", NetOurRootPath);
- if (NetOurNISDomain[0]) {
- printf ("NetOurNISDomain : %s\n", NetOurNISDomain);
- }
+ if (NetOurNISDomain[0])
+ debug("NetOurNISDomain : %s\n", NetOurNISDomain);
- if (NetBootFileSize) {
- printf ("NetBootFileSize: %d\n", NetBootFileSize);
- }
-#endif /* DEBUG_BOOTP_EXT */
+ if (NetBootFileSize)
+ debug("NetBootFileSize: %d\n", NetBootFileSize);
+
+#if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_NTPSERVER)
+ if (NetNtpServerIP)
+ debug("NetNtpServerIP : %pI4\n", &NetNtpServerIP);
+#endif
}
+
/*
* Handle a BOOTP received packet.
*/
static void
-BootpHandler(uchar * pkt, unsigned dest, unsigned src, unsigned len)
+BootpHandler(uchar *pkt, unsigned dest, IPaddr_t sip, unsigned src,
+ unsigned len)
{
Bootp_t *bp;
- char *s;
- debug ("got BOOTP packet (src=%d, dst=%d, len=%d want_len=%zu)\n",
+ debug("got BOOTP packet (src=%d, dst=%d, len=%d want_len=%zu)\n",
src, dest, len, sizeof (Bootp_t));
bp = (Bootp_t *)pkt;
NetSetTimeout(0, (thand_f *)0);
- debug ("Got good BOOTP\n");
-
- if ((s = getenv("autoload")) != NULL) {
- if (*s == 'n') {
- /*
- * Just use BOOTP to configure system;
- * Do not use TFTP to load the bootfile.
- */
- NetState = NETLOOP_SUCCESS;
- return;
-#if defined(CONFIG_CMD_NFS)
- } else if (strcmp(s, "NFS") == 0) {
- /*
- * Use NFS to load the bootfile.
- */
- NfsStart();
- return;
-#endif
- }
- }
+ debug("Got good BOOTP\n");
- TftpStart();
+ auto_load();
}
#endif
*e++ = 42;
*cnt += 1;
#endif
+ /* no options, so back up to avoid sending an empty request list */
+ if (*cnt == 0)
+ e -= 2;
+
*e++ = 255; /* End of the list */
/* Pad to minimal length */
#ifdef CONFIG_DHCP_MIN_EXT_LEN
- while ((e - start) <= CONFIG_DHCP_MIN_EXT_LEN)
+ while ((e - start) < CONFIG_DHCP_MIN_EXT_LEN)
*e++ = 0;
#endif
*e++ = 32;
e += 32;
#endif
+#if defined(CONFIG_BOOTP_NTPSERVER)
+ *e++ = 42;
+ *e++ = 4;
+ e += 4;
+#endif
*e++ = 255; /* End of the list */
/* get our mac */
eth_getenv_enetaddr("ethaddr", bi_enetaddr);
-#ifdef DEBUG
- puts ("BootpRequest => Our Mac: ");
- for (reg=0; reg<6; reg++) {
- printf ("%x%c",
- bi_enetaddr[reg],
- reg==5 ? '\n' : ':');
- }
-#endif /* DEBUG */
+ debug("BootpRequest => Our Mac: ");
+ for (reg=0; reg<6; reg++)
+ debug("%x%c", bi_enetaddr[reg], reg==5 ? '\n' : ':');
/* Mac-Manipulation 2 get seed1 */
tst1=0;
{
uchar *end = popt + BOOTP_HDR_SIZE;
int oplen, size;
+#if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_TIMEOFFSET)
+ int *to_ptr;
+#endif
while (popt < end && *popt != 0xff) {
oplen = *(popt + 1);
break;
#if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_TIMEOFFSET)
case 2: /* Time offset */
- NetCopyLong ((ulong *)&NetTimeOffset, (ulong *) (popt + 2));
+ to_ptr = &NetTimeOffset;
+ NetCopyLong ((ulong *)to_ptr, (ulong *)(popt + 2));
NetTimeOffset = ntohl (NetTimeOffset);
break;
#endif
int pktlen, iplen, extlen;
IPaddr_t OfferedIP;
- debug ("DhcpSendRequestPkt: Sending DHCPREQUEST\n");
+ debug("DhcpSendRequestPkt: Sending DHCPREQUEST\n");
pkt = NetTxPacket;
memset ((void*)pkt, 0, PKTSIZE);
iplen = BOOTP_HDR_SIZE - sizeof(bp->bp_vend) + extlen;
NetSetIP(iphdr, 0xFFFFFFFFL, PORT_BOOTPS, PORT_BOOTPC, iplen);
- debug ("Transmitting DHCPREQUEST packet: len = %d\n", pktlen);
+ debug("Transmitting DHCPREQUEST packet: len = %d\n", pktlen);
#ifdef CONFIG_BOOTP_DHCP_REQUEST_DELAY
udelay(CONFIG_BOOTP_DHCP_REQUEST_DELAY);
#endif /* CONFIG_BOOTP_DHCP_REQUEST_DELAY */
* Handle DHCP received packets.
*/
static void
-DhcpHandler(uchar * pkt, unsigned dest, unsigned src, unsigned len)
+DhcpHandler(uchar *pkt, unsigned dest, IPaddr_t sip, unsigned src,
+ unsigned len)
{
Bootp_t *bp = (Bootp_t *)pkt;
- debug ("DHCPHandler: got packet: (src=%d, dst=%d, len=%d) state: %d\n",
+ debug("DHCPHandler: got packet: (src=%d, dst=%d, len=%d) state: %d\n",
src, dest, len, dhcp_state);
if (BootpCheckPkt(pkt, dest, src, len)) /* Filter out pkts we don't want */
return;
- debug ("DHCPHandler: got DHCP packet: (src=%d, dst=%d, len=%d) state: %d\n",
+ debug("DHCPHandler: got DHCP packet: (src=%d, dst=%d, len=%d) state: %d\n",
src, dest, len, dhcp_state);
switch (dhcp_state) {
* If filename is in format we recognize, assume it is a valid
* OFFER from a server we want.
*/
- debug ("DHCP: state=SELECTING bp_file: \"%s\"\n", bp->bp_file);
+ debug("DHCP: state=SELECTING bp_file: \"%s\"\n", bp->bp_file);
#ifdef CONFIG_SYS_BOOTFILE_PREFIX
if (strncmp(bp->bp_file,
CONFIG_SYS_BOOTFILE_PREFIX,
strlen(CONFIG_SYS_BOOTFILE_PREFIX)) == 0 ) {
#endif /* CONFIG_SYS_BOOTFILE_PREFIX */
- debug ("TRANSITIONING TO REQUESTING STATE\n");
+ debug("TRANSITIONING TO REQUESTING STATE\n");
dhcp_state = REQUESTING;
if (NetReadLong((ulong*)&bp->bp_vend[0]) == htonl(BOOTP_VENDOR_MAGIC))
return;
break;
case REQUESTING:
- debug ("DHCP State: REQUESTING\n");
+ debug("DHCP State: REQUESTING\n");
if ( DhcpMessageType((u8 *)bp->bp_vend) == DHCP_ACK ) {
- char *s;
-
if (NetReadLong((ulong*)&bp->bp_vend[0]) == htonl(BOOTP_VENDOR_MAGIC))
DhcpOptionsProcess((u8 *)&bp->bp_vend[4], bp);
BootpCopyNetParams(bp); /* Store net params from reply */
dhcp_state = BOUND;
printf ("DHCP client bound to address %pI4\n", &NetOurIP);
- /* Obey the 'autoload' setting */
- if ((s = getenv("autoload")) != NULL) {
- if (*s == 'n') {
- /*
- * Just use BOOTP to configure system;
- * Do not use TFTP to load the bootfile.
- */
- NetState = NETLOOP_SUCCESS;
- return;
-#if defined(CONFIG_CMD_NFS)
- } else if (strcmp(s, "NFS") == 0) {
- /*
- * Use NFS to load the bootfile.
- */
- NfsStart();
- return;
-#endif
- }
- }
- TftpStart();
+ auto_load();
return;
}
break;
BootpRequest();
}
#endif /* CONFIG_CMD_DHCP */
-
-#endif /* CONFIG_CMD_NET */