* 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>
#ifdef CONFIG_STATUS_LED
#include <status_led.h>
#endif
+#ifdef CONFIG_BOOTP_RANDOM_DELAY
+#include "net_rand.h"
+#endif
-#define BOOTP_VENDOR_MAGIC 0x63825363 /* RFC1048 Magic Cookie */
-
-#if defined(CONFIG_CMD_NET)
+#define BOOTP_VENDOR_MAGIC 0x63825363 /* RFC1048 Magic Cookie */
-#define TIMEOUT 5000UL /* Milliseconds before trying BOOTP again */
+/*
+ * The timeout for the initial BOOTP/DHCP request used to be described by a
+ * counter of fixed-length timeout periods. TIMEOUT_COUNT represents
+ * that counter
+ *
+ * Now that the timeout periods are variable (exponential backoff and retry)
+ * we convert the timeout count to the absolute time it would have take to
+ * execute that many retries, and keep sending retry packets until that time
+ * is reached.
+ */
#ifndef CONFIG_NET_RETRY_COUNT
-# define TIMEOUT_COUNT 5 /* # of timeouts before giving up */
+# define TIMEOUT_COUNT 5 /* # of timeouts before giving up */
#else
# define TIMEOUT_COUNT (CONFIG_NET_RETRY_COUNT)
#endif
+#define TIMEOUT_MS ((3 + (TIMEOUT_COUNT * 5)) * 1000)
-#define PORT_BOOTPS 67 /* BOOTP server UDP port */
-#define PORT_BOOTPC 68 /* BOOTP client UDP port */
+#define PORT_BOOTPS 67 /* BOOTP server UDP port */
+#define PORT_BOOTPC 68 /* BOOTP client UDP port */
-#ifndef CONFIG_DHCP_MIN_EXT_LEN /* minimal length of extension list */
+#ifndef CONFIG_DHCP_MIN_EXT_LEN /* minimal length of extension list */
#define CONFIG_DHCP_MIN_EXT_LEN 64
#endif
-ulong BootpID;
-int BootpTry;
-#ifdef CONFIG_BOOTP_RANDOM_DELAY
-ulong seed1, seed2;
+#ifndef CONFIG_BOOTP_ID_CACHE_SIZE
+#define CONFIG_BOOTP_ID_CACHE_SIZE 4
#endif
+ulong bootp_ids[CONFIG_BOOTP_ID_CACHE_SIZE];
+unsigned int bootp_num_ids;
+int BootpTry;
+ulong bootp_start;
+ulong bootp_timeout;
+
#if defined(CONFIG_CMD_DHCP)
-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 dhcp_state_t dhcp_state = INIT;
+static unsigned long dhcp_leasetime;
+static IPaddr_t NetDHCPServerIP;
+static void DhcpHandler(uchar *pkt, unsigned dest, IPaddr_t sip, unsigned src,
+ unsigned len);
/* For Debug */
#if 0
}
}
#endif
-
-#if defined(CONFIG_BOOTP_VENDOREX)
-extern u8 *dhcp_vendorex_prep (u8 *e); /*rtn new e after add own opts. */
-extern u8 *dhcp_vendorex_proc (u8 *e); /*rtn next e if mine,else NULL */
#endif
-#endif
+static void bootp_add_id(ulong id)
+{
+ if (bootp_num_ids >= ARRAY_SIZE(bootp_ids)) {
+ size_t size = sizeof(bootp_ids) - sizeof(id);
+
+ memmove(bootp_ids, &bootp_ids[1], size);
+ bootp_ids[bootp_num_ids - 1] = id;
+ } else {
+ bootp_ids[bootp_num_ids] = id;
+ bootp_num_ids++;
+ }
+}
+
+static bool bootp_match_id(ulong id)
+{
+ unsigned int i;
+
+ for (i = 0; i < bootp_num_ids; i++)
+ if (bootp_ids[i] == id)
+ return true;
+
+ return false;
+}
static int BootpCheckPkt(uchar *pkt, unsigned dest, unsigned src, unsigned len)
{
- Bootp_t *bp = (Bootp_t *) pkt;
+ struct Bootp_t *bp = (struct Bootp_t *) pkt;
int retval = 0;
if (dest != PORT_BOOTPC || src != PORT_BOOTPS)
retval = -1;
- else if (len < sizeof (Bootp_t) - OPT_SIZE)
+ else if (len < sizeof(struct Bootp_t) - OPT_FIELD_SIZE)
retval = -2;
else if (bp->bp_op != OP_BOOTREQUEST &&
- bp->bp_op != OP_BOOTREPLY &&
- bp->bp_op != DHCP_OFFER &&
- bp->bp_op != DHCP_ACK &&
- bp->bp_op != DHCP_NAK ) {
+ bp->bp_op != OP_BOOTREPLY &&
+ bp->bp_op != DHCP_OFFER &&
+ bp->bp_op != DHCP_ACK &&
+ bp->bp_op != DHCP_NAK)
retval = -3;
- }
else if (bp->bp_htype != HWT_ETHER)
retval = -4;
else if (bp->bp_hlen != HWL_ETHER)
retval = -5;
- else if (NetReadLong((ulong*)&bp->bp_id) != BootpID) {
+ else if (!bootp_match_id(NetReadLong((ulong *)&bp->bp_id)))
retval = -6;
- }
- debug ("Filtering pkt = %d\n", retval);
+ debug("Filtering pkt = %d\n", retval);
return retval;
}
/*
* Copy parameters of interest from BOOTP_REPLY/DHCP_OFFER packet
*/
-static void BootpCopyNetParams(Bootp_t *bp)
+static void BootpCopyNetParams(struct Bootp_t *bp)
{
+#if !defined(CONFIG_BOOTP_SERVERIP)
IPaddr_t tmp_ip;
- NetCopyIP(&NetOurIP, &bp->bp_yiaddr);
-#if !defined(CONFIG_BOOTP_SERVERIP)
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, ((struct ethernet_hdr *)NetRxPacket)->et_src, 6);
#endif
+ NetCopyIP(&NetOurIP, &bp->bp_yiaddr);
if (strlen(bp->bp_file) > 0)
- copy_filename (BootFile, bp->bp_file, sizeof(BootFile));
+ 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
* not contain a new value
*/
- if (*BootFile) {
- setenv ("bootfile", BootFile);
- }
+ if (*BootFile)
+ setenv("bootfile", BootFile);
}
-static int truncate_sz (const char *name, int maxlen, int curlen)
+static int truncate_sz(const char *name, int maxlen, int curlen)
{
if (curlen >= maxlen) {
- printf("*** WARNING: %s is too long (%d - max: %d) - truncated\n",
- name, curlen, maxlen);
+ printf("*** WARNING: %s is too long (%d - max: %d)"
+ " - truncated\n", name, curlen, maxlen);
curlen = maxlen - 1;
}
- return (curlen);
+ return curlen;
}
#if !defined(CONFIG_CMD_DHCP)
-static void BootpVendorFieldProcess (u8 * ext)
+static void BootpVendorFieldProcess(u8 *ext)
{
int size = *(ext + 1);
- debug_ext ("[BOOTP] Processing extension %d... (%d bytes)\n", *ext,
- *(ext + 1));
+ debug("[BOOTP] Processing extension %d... (%d bytes)\n", *ext,
+ *(ext + 1));
NetBootFileSize = 0;
switch (*ext) {
/* Fixed length fields */
- case 1: /* Subnet mask */
+ case 1: /* Subnet mask */
if (NetOurSubnetMask == 0)
- NetCopyIP (&NetOurSubnetMask, (IPaddr_t *) (ext + 2));
+ NetCopyIP(&NetOurSubnetMask, (IPaddr_t *) (ext + 2));
break;
- case 2: /* Time offset - Not yet supported */
+ case 2: /* Time offset - Not yet supported */
break;
/* Variable length fields */
- case 3: /* Gateways list */
- if (NetOurGatewayIP == 0) {
- NetCopyIP (&NetOurGatewayIP, (IPaddr_t *) (ext + 2));
- }
+ case 3: /* Gateways list */
+ if (NetOurGatewayIP == 0)
+ NetCopyIP(&NetOurGatewayIP, (IPaddr_t *) (ext + 2));
break;
- case 4: /* Time server - Not yet supported */
+ case 4: /* Time server - Not yet supported */
break;
- case 5: /* IEN-116 name server - Not yet supported */
+ case 5: /* IEN-116 name server - Not yet supported */
break;
case 6:
- if (NetOurDNSIP == 0) {
- NetCopyIP (&NetOurDNSIP, (IPaddr_t *) (ext + 2));
- }
+ if (NetOurDNSIP == 0)
+ NetCopyIP(&NetOurDNSIP, (IPaddr_t *) (ext + 2));
#if defined(CONFIG_BOOTP_DNS2)
- if ((NetOurDNS2IP == 0) && (size > 4)) {
- NetCopyIP (&NetOurDNS2IP, (IPaddr_t *) (ext + 2 + 4));
- }
+ if ((NetOurDNS2IP == 0) && (size > 4))
+ NetCopyIP(&NetOurDNS2IP, (IPaddr_t *) (ext + 2 + 4));
#endif
break;
- case 7: /* Log server - Not yet supported */
+ case 7: /* Log server - Not yet supported */
break;
- case 8: /* Cookie/Quote server - Not yet supported */
+ case 8: /* Cookie/Quote server - Not yet supported */
break;
- case 9: /* LPR server - Not yet supported */
+ case 9: /* LPR server - Not yet supported */
break;
- case 10: /* Impress server - Not yet supported */
+ case 10: /* Impress server - Not yet supported */
break;
- case 11: /* RPL server - Not yet supported */
+ case 11: /* RPL server - Not yet supported */
break;
- case 12: /* Host name */
+ case 12: /* Host name */
if (NetOurHostName[0] == 0) {
- size = truncate_sz ("Host Name", sizeof (NetOurHostName), size);
- memcpy (&NetOurHostName, ext + 2, size);
+ size = truncate_sz("Host Name",
+ sizeof(NetOurHostName), size);
+ memcpy(&NetOurHostName, ext + 2, size);
NetOurHostName[size] = 0;
}
break;
- case 13: /* Boot file size */
+ case 13: /* Boot file size */
if (size == 2)
- NetBootFileSize = ntohs (*(ushort *) (ext + 2));
+ NetBootFileSize = ntohs(*(ushort *) (ext + 2));
else if (size == 4)
- NetBootFileSize = ntohl (*(ulong *) (ext + 2));
+ NetBootFileSize = ntohl(*(ulong *) (ext + 2));
break;
- case 14: /* Merit dump file - Not yet supported */
+ case 14: /* Merit dump file - Not yet supported */
break;
- case 15: /* Domain name - Not yet supported */
+ case 15: /* Domain name - Not yet supported */
break;
- case 16: /* Swap server - Not yet supported */
+ case 16: /* Swap server - Not yet supported */
break;
- case 17: /* Root path */
+ case 17: /* Root path */
if (NetOurRootPath[0] == 0) {
- size = truncate_sz ("Root Path", sizeof (NetOurRootPath), size);
- memcpy (&NetOurRootPath, ext + 2, size);
+ size = truncate_sz("Root Path",
+ sizeof(NetOurRootPath), size);
+ memcpy(&NetOurRootPath, ext + 2, size);
NetOurRootPath[size] = 0;
}
break;
- case 18: /* Extension path - Not yet supported */
+ case 18: /* Extension path - Not yet supported */
/*
* This can be used to send the information of the
* vendor area in another file that the client can
*/
break;
/* IP host layer fields */
- case 40: /* NIS Domain name */
+ case 40: /* NIS Domain name */
if (NetOurNISDomain[0] == 0) {
- size = truncate_sz ("NIS Domain Name", sizeof (NetOurNISDomain), size);
- memcpy (&NetOurNISDomain, ext + 2, size);
+ size = truncate_sz("NIS Domain Name",
+ sizeof(NetOurNISDomain), size);
+ memcpy(&NetOurNISDomain, ext + 2, size);
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 */
+ case 43: /* Vendor specific info - Not yet supported */
/*
* Binary information to exchange specific
* product information.
}
}
-static void BootpVendorProcess (u8 * ext, int size)
+static void BootpVendorProcess(u8 *ext, int size)
{
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) {
ext += ext[1] + 2;
if (ext <= end)
- BootpVendorFieldProcess (opt);
+ BootpVendorFieldProcess(opt);
}
}
-#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;
+ struct Bootp_t *bp;
- debug ("got BOOTP packet (src=%d, dst=%d, len=%d want_len=%zu)\n",
- src, dest, len, sizeof (Bootp_t));
+ debug("got BOOTP packet (src=%d, dst=%d, len=%d want_len=%zu)\n",
+ src, dest, len, sizeof(struct Bootp_t));
- bp = (Bootp_t *)pkt;
+ bp = (struct Bootp_t *)pkt;
- if (BootpCheckPkt(pkt, dest, src, len)) /* Filter out pkts we don't want */
+ /* Filter out pkts we don't want */
+ if (BootpCheckPkt(pkt, dest, src, len))
return;
/*
* Got a good BOOTP reply. Copy the data into our variables.
*/
#ifdef CONFIG_STATUS_LED
- status_led_set (STATUS_LED_BOOT, STATUS_LED_OFF);
+ status_led_set(STATUS_LED_BOOT, STATUS_LED_OFF);
#endif
BootpCopyNetParams(bp); /* Store net parameters from reply */
/* Retrieve extended information (we must parse the vendor area) */
- if (NetReadLong((ulong*)&bp->bp_vend[0]) == htonl(BOOTP_VENDOR_MAGIC))
+ if (NetReadLong((ulong *)&bp->bp_vend[0]) == htonl(BOOTP_VENDOR_MAGIC))
BootpVendorProcess((uchar *)&bp->bp_vend[4], len);
NetSetTimeout(0, (thand_f *)0);
+ bootstage_mark_name(BOOTSTAGE_ID_BOOTP_STOP, "bootp_stop");
- 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();
+ net_auto_load();
}
#endif
static void
BootpTimeout(void)
{
- if (BootpTry >= TIMEOUT_COUNT) {
- puts ("\nRetry count exceeded; starting again\n");
- NetStartAgain ();
+ ulong time_taken = get_timer(bootp_start);
+
+ if (time_taken >= TIMEOUT_MS) {
+#ifdef CONFIG_BOOTP_MAY_FAIL
+ puts("\nRetry time exceeded\n");
+ net_set_state(NETLOOP_FAIL);
+#else
+ puts("\nRetry time exceeded; starting again\n");
+ NetStartAgain();
+#endif
} else {
- NetSetTimeout (TIMEOUT, BootpTimeout);
- BootpRequest ();
+ bootp_timeout *= 2;
+ if (bootp_timeout > 2000)
+ bootp_timeout = 2000;
+ NetSetTimeout(bootp_timeout, BootpTimeout);
+ BootpRequest();
}
}
+#define put_vci(e, str) \
+ do { \
+ size_t vci_strlen = strlen(str); \
+ *e++ = 60; /* Vendor Class Identifier */ \
+ *e++ = vci_strlen; \
+ memcpy(e, str, vci_strlen); \
+ e += vci_strlen; \
+ } while (0)
+
/*
* Initialize BOOTP extension fields in the request.
*/
#if defined(CONFIG_CMD_DHCP)
-static int DhcpExtended (u8 * e, int message_type, IPaddr_t ServerID, IPaddr_t RequestedIP)
+static int DhcpExtended(u8 *e, int message_type, IPaddr_t ServerID,
+ IPaddr_t RequestedIP)
{
u8 *start = e;
u8 *cnt;
+#if defined(CONFIG_BOOTP_PXE)
+ char *uuid;
+ u16 clientarch;
+#endif
#if defined(CONFIG_BOOTP_VENDOREX)
u8 *x;
*e++ = 57; /* Maximum DHCP Message Size */
*e++ = 2;
- *e++ = (576 - 312 + OPT_SIZE) >> 8;
- *e++ = (576 - 312 + OPT_SIZE) & 0xff;
+ *e++ = (576 - 312 + OPT_FIELD_SIZE) >> 8;
+ *e++ = (576 - 312 + OPT_FIELD_SIZE) & 0xff;
if (ServerID) {
- int tmp = ntohl (ServerID);
+ int tmp = ntohl(ServerID);
*e++ = 54; /* ServerID */
*e++ = 4;
}
if (RequestedIP) {
- int tmp = ntohl (RequestedIP);
+ int tmp = ntohl(RequestedIP);
*e++ = 50; /* Requested IP */
*e++ = 4;
*e++ = tmp & 0xff;
}
#if defined(CONFIG_BOOTP_SEND_HOSTNAME)
- if ((hostname = getenv ("hostname"))) {
- int hostnamelen = strlen (hostname);
+ hostname = getenv("hostname");
+ if (hostname) {
+ int hostnamelen = strlen(hostname);
*e++ = 12; /* Hostname */
*e++ = hostnamelen;
- memcpy (e, hostname, hostnamelen);
+ memcpy(e, hostname, hostnamelen);
e += hostnamelen;
}
#endif
+#if defined(CONFIG_BOOTP_PXE)
+ clientarch = CONFIG_BOOTP_PXE_CLIENTARCH;
+ *e++ = 93; /* Client System Architecture */
+ *e++ = 2;
+ *e++ = (clientarch >> 8) & 0xff;
+ *e++ = clientarch & 0xff;
+
+ *e++ = 94; /* Client Network Interface Identifier */
+ *e++ = 3;
+ *e++ = 1; /* type field for UNDI */
+ *e++ = 0; /* major revision */
+ *e++ = 0; /* minor revision */
+
+ uuid = getenv("pxeuuid");
+
+ if (uuid) {
+ if (uuid_str_valid(uuid)) {
+ *e++ = 97; /* Client Machine Identifier */
+ *e++ = 17;
+ *e++ = 0; /* type 0 - UUID */
+
+ uuid_str_to_bin(uuid, e, UUID_STR_FORMAT_STD);
+ e += 16;
+ } else {
+ printf("Invalid pxeuuid: %s\n", uuid);
+ }
+ }
+#endif
+
+#ifdef CONFIG_BOOTP_VCI_STRING
+ put_vci(e, CONFIG_BOOTP_VCI_STRING);
+#endif
+
#if defined(CONFIG_BOOTP_VENDOREX)
- if ((x = dhcp_vendorex_prep (e)))
+ x = dhcp_vendorex_prep(e);
+ if (x)
return x - start;
#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
#else
/*
- * Warning: no field size check - change CONFIG_BOOTP_* at your own risk!
+ * Warning: no field size check - change CONFIG_BOOTP_* at your own risk!
*/
-static int BootpExtended (u8 * e)
+static int BootpExtended(u8 *e)
{
u8 *start = e;
*e++ = 57; /* Maximum DHCP Message Size */
*e++ = 2;
- *e++ = (576 - 312 + OPT_SIZE) >> 16;
- *e++ = (576 - 312 + OPT_SIZE) & 0xff;
+ *e++ = (576 - 312 + OPT_FIELD_SIZE) >> 16;
+ *e++ = (576 - 312 + OPT_FIELD_SIZE) & 0xff;
+#endif
+
+#if defined(CONFIG_BOOTP_VCI_STRING) || \
+ (defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_NET_VCI_STRING))
+#ifdef CONFIG_SPL_BUILD
+ put_vci(e, CONFIG_SPL_NET_VCI_STRING);
+#else
+ put_vci(e, CONFIG_BOOTP_VCI_STRING);
+#endif
#endif
#if defined(CONFIG_BOOTP_SUBNETMASK)
*e++ = 32;
e += 32;
#endif
+#if defined(CONFIG_BOOTP_NTPSERVER)
+ *e++ = 42;
+ *e++ = 4;
+ e += 4;
+#endif
*e++ = 255; /* End of the list */
}
#endif
+void BootpReset(void)
+{
+ bootp_num_ids = 0;
+ BootpTry = 0;
+ bootp_start = get_timer(0);
+ bootp_timeout = 250;
+}
+
void
-BootpRequest (void)
+BootpRequest(void)
{
- volatile uchar *pkt, *iphdr;
- Bootp_t *bp;
- int ext_len, pktlen, iplen;
+ uchar *pkt, *iphdr;
+ struct Bootp_t *bp;
+ int extlen, pktlen, iplen;
+ int eth_hdr_size;
+#ifdef CONFIG_BOOTP_RANDOM_DELAY
+ ulong rand_ms;
+#endif
+ ulong BootpID;
+ bootstage_mark_name(BOOTSTAGE_ID_BOOTP_START, "bootp_start");
#if defined(CONFIG_CMD_DHCP)
dhcp_state = INIT;
#endif
#ifdef CONFIG_BOOTP_RANDOM_DELAY /* Random BOOTP delay */
- unsigned char bi_enetaddr[6];
- int reg;
- ulong tst1, tst2, sum, m_mask, m_value = 0;
-
- if (BootpTry ==0) {
- /* 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 */
-
- /* Mac-Manipulation 2 get seed1 */
- tst1=0;
- tst2=0;
- for (reg=2; reg<6; reg++) {
- tst1 = tst1 << 8;
- tst1 = tst1 | bi_enetaddr[reg];
- }
- for (reg=0; reg<2; reg++) {
- tst2 = tst2 | bi_enetaddr[reg];
- tst2 = tst2 << 8;
- }
-
- seed1 = tst1^tst2;
-
- /* Mirror seed1*/
- m_mask=0x1;
- for (reg=1;reg<=32;reg++) {
- m_value |= (m_mask & seed1);
- seed1 = seed1 >> 1;
- m_value = m_value << 1;
- }
- seed1 = m_value;
- seed2 = 0xB78D0945;
- }
-
- /* Random Number Generator */
+ if (BootpTry == 0)
+ srand_mac();
- for (reg=0;reg<=0;reg++) {
- sum = seed1 + seed2;
- if (sum < seed1 || sum < seed2)
- sum++;
- seed2 = seed1;
- seed1 = sum;
+ if (BootpTry <= 2) /* Start with max 1024 * 1ms */
+ rand_ms = rand() >> (22 - BootpTry);
+ else /* After 3rd BOOTP request max 8192 * 1ms */
+ rand_ms = rand() >> 19;
- if (BootpTry<=2) { /* Start with max 1024 * 1ms */
- sum = sum >> (22-BootpTry);
- } else { /*After 3rd BOOTP request max 8192 * 1ms */
- sum = sum >> 19;
- }
- }
+ printf("Random delay: %ld ms...\n", rand_ms);
+ mdelay(rand_ms);
- printf ("Random delay: %ld ms...\n", sum);
- for (reg=0; reg <sum; reg++) {
- udelay(1000); /*Wait 1ms*/
- }
#endif /* CONFIG_BOOTP_RANDOM_DELAY */
printf("BOOTP broadcast %d\n", ++BootpTry);
pkt = NetTxPacket;
- memset ((void*)pkt, 0, PKTSIZE);
+ memset((void *)pkt, 0, PKTSIZE);
- pkt += NetSetEther(pkt, NetBcastAddr, PROT_IP);
+ eth_hdr_size = NetSetEther(pkt, NetBcastAddr, PROT_IP);
+ pkt += eth_hdr_size;
/*
- * Next line results in incorrect packet size being transmitted, resulting
- * in errors in some DHCP servers, reporting missing bytes. Size must be
- * set in packet header after extension length has been determined.
+ * Next line results in incorrect packet size being transmitted,
+ * resulting in errors in some DHCP servers, reporting missing bytes.
+ * Size must be set in packet header after extension length has been
+ * determined.
* C. Hallinan, DS4.COM, Inc.
*/
- /* NetSetIP(pkt, 0xFFFFFFFFL, PORT_BOOTPS, PORT_BOOTPC, sizeof (Bootp_t)); */
- iphdr = pkt; /* We need this later for NetSetIP() */
- pkt += IP_HDR_SIZE;
+ /* net_set_udp_header(pkt, 0xFFFFFFFFL, PORT_BOOTPS, PORT_BOOTPC,
+ sizeof (struct Bootp_t)); */
+ iphdr = pkt; /* We need this later for net_set_udp_header() */
+ pkt += IP_UDP_HDR_SIZE;
- bp = (Bootp_t *)pkt;
+ bp = (struct Bootp_t *)pkt;
bp->bp_op = OP_BOOTREQUEST;
bp->bp_htype = HWT_ETHER;
bp->bp_hlen = HWL_ETHER;
NetWriteIP(&bp->bp_yiaddr, 0);
NetWriteIP(&bp->bp_siaddr, 0);
NetWriteIP(&bp->bp_giaddr, 0);
- memcpy (bp->bp_chaddr, NetOurEther, 6);
- copy_filename (bp->bp_file, BootFile, sizeof(bp->bp_file));
+ memcpy(bp->bp_chaddr, NetOurEther, 6);
+ copy_filename(bp->bp_file, BootFile, sizeof(bp->bp_file));
/* Request additional information from the BOOTP/DHCP server */
#if defined(CONFIG_CMD_DHCP)
- ext_len = DhcpExtended((u8 *)bp->bp_vend, DHCP_DISCOVER, 0, 0);
+ extlen = DhcpExtended((u8 *)bp->bp_vend, DHCP_DISCOVER, 0, 0);
#else
- ext_len = BootpExtended((u8 *)bp->bp_vend);
+ extlen = BootpExtended((u8 *)bp->bp_vend);
#endif
/*
| ((ulong)NetOurEther[4] << 8)
| (ulong)NetOurEther[5];
BootpID += get_timer(0);
- BootpID = htonl(BootpID);
+ BootpID = htonl(BootpID);
+ bootp_add_id(BootpID);
NetCopyLong(&bp->bp_id, &BootpID);
/*
* Calculate proper packet lengths taking into account the
* variable size of the options field
*/
- pktlen = ((int)(pkt-NetTxPacket)) + BOOTP_HDR_SIZE - sizeof(bp->bp_vend) + ext_len;
- iplen = BOOTP_HDR_SIZE - sizeof(bp->bp_vend) + ext_len;
- NetSetIP(iphdr, 0xFFFFFFFFL, PORT_BOOTPS, PORT_BOOTPC, iplen);
- NetSetTimeout(SELECT_TIMEOUT, BootpTimeout);
+ iplen = BOOTP_HDR_SIZE - OPT_FIELD_SIZE + extlen;
+ pktlen = eth_hdr_size + IP_UDP_HDR_SIZE + iplen;
+ net_set_udp_header(iphdr, 0xFFFFFFFFL, PORT_BOOTPS, PORT_BOOTPC, iplen);
+ NetSetTimeout(bootp_timeout, BootpTimeout);
#if defined(CONFIG_CMD_DHCP)
dhcp_state = SELECTING;
- NetSetHandler(DhcpHandler);
+ net_set_udp_handler(DhcpHandler);
#else
- NetSetHandler(BootpHandler);
+ net_set_udp_handler(BootpHandler);
#endif
NetSendPacket(NetTxPacket, pktlen);
}
#if defined(CONFIG_CMD_DHCP)
-static void DhcpOptionsProcess (uchar * popt, Bootp_t *bp)
+static void DhcpOptionsProcess(uchar *popt, struct Bootp_t *bp)
{
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);
switch (*popt) {
case 1:
- NetCopyIP (&NetOurSubnetMask, (popt + 2));
+ NetCopyIP(&NetOurSubnetMask, (popt + 2));
break;
#if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_TIMEOFFSET)
case 2: /* Time offset */
- NetCopyLong ((ulong *)&NetTimeOffset, (ulong *) (popt + 2));
- NetTimeOffset = ntohl (NetTimeOffset);
+ to_ptr = &NetTimeOffset;
+ NetCopyLong((ulong *)to_ptr, (ulong *)(popt + 2));
+ NetTimeOffset = ntohl(NetTimeOffset);
break;
#endif
case 3:
- NetCopyIP (&NetOurGatewayIP, (popt + 2));
+ NetCopyIP(&NetOurGatewayIP, (popt + 2));
break;
case 6:
- NetCopyIP (&NetOurDNSIP, (popt + 2));
+ NetCopyIP(&NetOurDNSIP, (popt + 2));
#if defined(CONFIG_BOOTP_DNS2)
- if (*(popt + 1) > 4) {
- NetCopyIP (&NetOurDNS2IP, (popt + 2 + 4));
- }
+ if (*(popt + 1) > 4)
+ NetCopyIP(&NetOurDNS2IP, (popt + 2 + 4));
#endif
break;
case 12:
- size = truncate_sz ("Host Name", sizeof (NetOurHostName), oplen);
- memcpy (&NetOurHostName, popt + 2, size);
+ size = truncate_sz("Host Name",
+ sizeof(NetOurHostName), oplen);
+ memcpy(&NetOurHostName, popt + 2, size);
NetOurHostName[size] = 0;
break;
case 15: /* Ignore Domain Name Option */
break;
case 17:
- size = truncate_sz ("Root Path", sizeof (NetOurRootPath), oplen);
- memcpy (&NetOurRootPath, popt + 2, size);
+ size = truncate_sz("Root Path",
+ sizeof(NetOurRootPath), oplen);
+ memcpy(&NetOurRootPath, popt + 2, size);
NetOurRootPath[size] = 0;
break;
+ case 28: /* Ignore Broadcast Address Option */
+ break;
#if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_NTPSERVER)
case 42: /* NTP server IP */
- NetCopyIP (&NetNtpServerIP, (popt + 2));
+ NetCopyIP(&NetNtpServerIP, (popt + 2));
break;
#endif
case 51:
- NetCopyLong (&dhcp_leasetime, (ulong *) (popt + 2));
+ NetCopyLong(&dhcp_leasetime, (ulong *) (popt + 2));
break;
case 53: /* Ignore Message Type Option */
break;
case 54:
- NetCopyIP (&NetDHCPServerIP, (popt + 2));
+ NetCopyIP(&NetDHCPServerIP, (popt + 2));
break;
case 58: /* Ignore Renewal Time Option */
break;
* pass the bootp packet pointer into here as the
* second arg
*/
- size = truncate_sz ("Opt Boot File",
+ size = truncate_sz("Opt Boot File",
sizeof(bp->bp_file),
oplen);
if (bp->bp_file[0] == '\0' && size > 0) {
break;
default:
#if defined(CONFIG_BOOTP_VENDOREX)
- if (dhcp_vendorex_proc (popt))
+ if (dhcp_vendorex_proc(popt))
break;
#endif
- printf ("*** Unhandled DHCP Option in OFFER/ACK: %d\n", *popt);
+ printf("*** Unhandled DHCP Option in OFFER/ACK:"
+ " %d\n", *popt);
break;
}
popt += oplen + 2; /* Process next option */
static int DhcpMessageType(unsigned char *popt)
{
- if (NetReadLong((ulong*)popt) != htonl(BOOTP_VENDOR_MAGIC))
+ if (NetReadLong((ulong *)popt) != htonl(BOOTP_VENDOR_MAGIC))
return -1;
popt += 4;
- while ( *popt != 0xff ) {
- if ( *popt == 53 ) /* DHCP Message Type */
+ while (*popt != 0xff) {
+ if (*popt == 53) /* DHCP Message Type */
return *(popt + 2);
popt += *(popt + 1) + 2; /* Scan through all options */
}
return -1;
}
-static void DhcpSendRequestPkt(Bootp_t *bp_offer)
+static void DhcpSendRequestPkt(struct Bootp_t *bp_offer)
{
- volatile uchar *pkt, *iphdr;
- Bootp_t *bp;
+ uchar *pkt, *iphdr;
+ struct Bootp_t *bp;
int pktlen, iplen, extlen;
+ int eth_hdr_size;
IPaddr_t OfferedIP;
- debug ("DhcpSendRequestPkt: Sending DHCPREQUEST\n");
+ debug("DhcpSendRequestPkt: Sending DHCPREQUEST\n");
pkt = NetTxPacket;
- memset ((void*)pkt, 0, PKTSIZE);
+ memset((void *)pkt, 0, PKTSIZE);
- pkt += NetSetEther(pkt, NetBcastAddr, PROT_IP);
+ eth_hdr_size = NetSetEther(pkt, NetBcastAddr, PROT_IP);
+ pkt += eth_hdr_size;
- iphdr = pkt; /* We'll need this later to set proper pkt size */
- pkt += IP_HDR_SIZE;
+ iphdr = pkt; /* We'll need this later to set proper pkt size */
+ pkt += IP_UDP_HDR_SIZE;
- bp = (Bootp_t *)pkt;
+ bp = (struct Bootp_t *)pkt;
bp->bp_op = OP_BOOTREQUEST;
bp->bp_htype = HWT_ETHER;
bp->bp_hlen = HWL_ETHER;
bp->bp_hops = 0;
bp->bp_secs = htons(get_timer(0) / 1000);
- /* Do not set the client IP, your IP, or server IP yet, since it hasn't been ACK'ed by
- * the server yet */
+ /* Do not set the client IP, your IP, or server IP yet, since it
+ * hasn't been ACK'ed by the server yet */
/*
* RFC3046 requires Relay Agents to discard packets with
*/
NetWriteIP(&bp->bp_giaddr, 0);
- memcpy (bp->bp_chaddr, NetOurEther, 6);
+ memcpy(bp->bp_chaddr, NetOurEther, 6);
/*
* ID is the id of the OFFER packet
/* Copy offered IP into the parameters request list */
NetCopyIP(&OfferedIP, &bp_offer->bp_yiaddr);
- extlen = DhcpExtended((u8 *)bp->bp_vend, DHCP_REQUEST, NetDHCPServerIP, OfferedIP);
+ extlen = DhcpExtended((u8 *)bp->bp_vend, DHCP_REQUEST,
+ NetDHCPServerIP, OfferedIP);
- pktlen = ((int)(pkt-NetTxPacket)) + BOOTP_HDR_SIZE - sizeof(bp->bp_vend) + extlen;
- iplen = BOOTP_HDR_SIZE - sizeof(bp->bp_vend) + extlen;
- NetSetIP(iphdr, 0xFFFFFFFFL, PORT_BOOTPS, PORT_BOOTPC, iplen);
+ iplen = BOOTP_HDR_SIZE - OPT_FIELD_SIZE + extlen;
+ pktlen = eth_hdr_size + IP_UDP_HDR_SIZE + iplen;
+ net_set_udp_header(iphdr, 0xFFFFFFFFL, PORT_BOOTPS, PORT_BOOTPC, iplen);
- 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 */
+ debug("Transmitting DHCPREQUEST packet: len = %d\n", pktlen);
NetSendPacket(NetTxPacket, pktlen);
}
* 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;
+ struct Bootp_t *bp = (struct 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 */
+ /* Filter out pkts we don't want */
+ if (BootpCheckPkt(pkt, dest, src, len))
return;
- debug ("DHCPHandler: got DHCP packet: (src=%d, dst=%d, len=%d) state: %d\n",
- src, dest, len, dhcp_state);
+ debug("DHCPHandler: got DHCP packet: (src=%d, dst=%d, len=%d) state:"
+ " %d\n", src, dest, len, dhcp_state);
switch (dhcp_state) {
case SELECTING:
/*
* Wait an appropriate time for any potential DHCPOFFER packets
- * to arrive. Then select one, and generate DHCPREQUEST response.
- * If filename is in format we recognize, assume it is a valid
- * OFFER from a server we want.
+ * to arrive. Then select one, and generate DHCPREQUEST
+ * response. 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 ) {
+ 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))
+ if (NetReadLong((ulong *)&bp->bp_vend[0]) ==
+ htonl(BOOTP_VENDOR_MAGIC))
DhcpOptionsProcess((u8 *)&bp->bp_vend[4], bp);
- NetSetTimeout(TIMEOUT, BootpTimeout);
+ NetSetTimeout(5000, BootpTimeout);
DhcpSendRequestPkt(bp);
#ifdef CONFIG_SYS_BOOTFILE_PREFIX
}
return;
break;
case REQUESTING:
- debug ("DHCP State: REQUESTING\n");
-
- if ( DhcpMessageType((u8 *)bp->bp_vend) == DHCP_ACK ) {
- char *s;
+ debug("DHCP State: REQUESTING\n");
- if (NetReadLong((ulong*)&bp->bp_vend[0]) == htonl(BOOTP_VENDOR_MAGIC))
+ if (DhcpMessageType((u8 *)bp->bp_vend) == DHCP_ACK) {
+ 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 */
+ /* Store net params from reply */
+ BootpCopyNetParams(bp);
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();
+ printf("DHCP client bound to address %pI4 (%lu ms)\n",
+ &NetOurIP, get_timer(bootp_start));
+ bootstage_mark_name(BOOTSTAGE_ID_BOOTP_STOP,
+ "bootp_stop");
+
+ net_auto_load();
return;
}
break;
/* DHCP client bound to address */
break;
default:
- puts ("DHCP: INVALID STATE\n");
+ puts("DHCP: INVALID STATE\n");
break;
}
BootpRequest();
}
#endif /* CONFIG_CMD_DHCP */
-
-#endif /* CONFIG_CMD_NET */
projects / karo-tx-uboot.git / blobdiff