#ifdef CONFIG_STATUS_LED
#include <status_led.h>
#endif
-#ifdef CONFIG_BOOTP_RANDOM_DELAY
+#if defined(CONFIG_BOOTP_RANDOM_DELAY) || defined(CONFIG_BOOTP_RANDOM_ID)
#include "net_rand.h"
#endif
#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 */
#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 CONFIG_DHCP_MIN_EXT_LEN 64
#endif
-ulong BootpID;
+#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;
+char net_nis_domain[32] = {0,}; /* Our NIS domain */
+char net_hostname[32] = {0,}; /* Our hostname */
+char net_root_path[64] = {0,}; /* Our bootpath */
#if defined(CONFIG_CMD_DHCP)
-dhcp_state_t dhcp_state = INIT;
-unsigned long dhcp_leasetime;
-IPaddr_t NetDHCPServerIP;
-static void DhcpHandler(uchar *pkt, unsigned dest, IPaddr_t sip, unsigned src,
- unsigned len);
+static dhcp_state_t dhcp_state = INIT;
+static unsigned long dhcp_leasetime;
+static struct in_addr dhcp_server_ip;
+static void dhcp_handler(uchar *pkt, unsigned dest, struct in_addr sip,
+ unsigned src, unsigned len);
/* For Debug */
#if 0
#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)
{
struct Bootp_t *bp = (struct Bootp_t *) pkt;
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);
static void BootpCopyNetParams(struct Bootp_t *bp)
{
#if !defined(CONFIG_BOOTP_SERVERIP)
- IPaddr_t tmp_ip;
+ struct in_addr tmp_ip;
- NetCopyIP(&tmp_ip, &bp->bp_siaddr);
- if (tmp_ip != 0)
- NetCopyIP(&NetServerIP, &bp->bp_siaddr);
- memcpy(NetServerEther, ((struct ethernet_hdr *)NetRxPacket)->et_src, 6);
-#endif
- NetCopyIP(&NetOurIP, &bp->bp_yiaddr);
+ net_copy_ip(&tmp_ip, &bp->bp_siaddr);
+ if (tmp_ip.s_addr != 0)
+ net_copy_ip(&net_server_ip, &bp->bp_siaddr);
+ memcpy(net_server_ethaddr, ((struct ethernet_hdr *)NetRxPacket)->et_src,
+ 6);
if (strlen(bp->bp_file) > 0)
- copy_filename(BootFile, bp->bp_file, sizeof(BootFile));
+ copy_filename(net_boot_file_name, bp->bp_file,
+ sizeof(net_boot_file_name));
- debug("Bootfile: %s\n", BootFile);
+ debug("net_boot_file_name: %s\n", net_boot_file_name);
/* Propagate to environment:
* don't delete exising entry when BOOTP / DHCP reply does
* not contain a new value
*/
- if (*BootFile)
- setenv("bootfile", BootFile);
+ if (*net_boot_file_name)
+ setenv("bootfile", net_boot_file_name);
+#endif
+ net_copy_ip(&net_ip, &bp->bp_yiaddr);
}
static int truncate_sz(const char *name, int maxlen, int curlen)
debug("[BOOTP] Processing extension %d... (%d bytes)\n", *ext,
*(ext + 1));
- NetBootFileSize = 0;
+ net_boot_file_expected_size_in_blocks = 0;
switch (*ext) {
/* Fixed length fields */
case 1: /* Subnet mask */
- if (NetOurSubnetMask == 0)
- NetCopyIP(&NetOurSubnetMask, (IPaddr_t *) (ext + 2));
+ if (net_netmask.s_addr == 0)
+ net_copy_ip(&net_netmask, (struct in_addr *)(ext + 2));
break;
case 2: /* Time offset - Not yet supported */
break;
/* Variable length fields */
case 3: /* Gateways list */
- if (NetOurGatewayIP == 0)
- NetCopyIP(&NetOurGatewayIP, (IPaddr_t *) (ext + 2));
+ if (net_gateway.s_addr == 0)
+ net_copy_ip(&net_gateway, (struct in_addr *)(ext + 2));
break;
case 4: /* Time server - Not yet supported */
break;
case 5: /* IEN-116 name server - Not yet supported */
break;
case 6:
- if (NetOurDNSIP == 0)
- NetCopyIP(&NetOurDNSIP, (IPaddr_t *) (ext + 2));
+ if (net_dns_server.s_addr == 0)
+ net_copy_ip(&net_dns_server,
+ (struct in_addr *)(ext + 2));
#if defined(CONFIG_BOOTP_DNS2)
- if ((NetOurDNS2IP == 0) && (size > 4))
- NetCopyIP(&NetOurDNS2IP, (IPaddr_t *) (ext + 2 + 4));
+ if ((net_dns_server2.s_addr == 0) && (size > 4))
+ net_copy_ip(&net_dns_server2,
+ (struct in_addr *)(ext + 2 + 4));
#endif
break;
case 7: /* Log server - Not yet supported */
case 11: /* RPL server - Not yet supported */
break;
case 12: /* Host name */
- if (NetOurHostName[0] == 0) {
+ if (net_hostname[0] == 0) {
size = truncate_sz("Host Name",
- sizeof(NetOurHostName), size);
- memcpy(&NetOurHostName, ext + 2, size);
- NetOurHostName[size] = 0;
+ sizeof(net_hostname), size);
+ memcpy(&net_hostname, ext + 2, size);
+ net_hostname[size] = 0;
}
break;
case 13: /* Boot file size */
if (size == 2)
- NetBootFileSize = ntohs(*(ushort *) (ext + 2));
+ net_boot_file_expected_size_in_blocks =
+ ntohs(*(ushort *)(ext + 2));
else if (size == 4)
- NetBootFileSize = ntohl(*(ulong *) (ext + 2));
+ net_boot_file_expected_size_in_blocks =
+ ntohl(*(ulong *)(ext + 2));
break;
case 14: /* Merit dump file - Not yet supported */
break;
case 16: /* Swap server - Not yet supported */
break;
case 17: /* Root path */
- if (NetOurRootPath[0] == 0) {
+ if (net_root_path[0] == 0) {
size = truncate_sz("Root Path",
- sizeof(NetOurRootPath), size);
- memcpy(&NetOurRootPath, ext + 2, size);
- NetOurRootPath[size] = 0;
+ sizeof(net_root_path), size);
+ memcpy(&net_root_path, ext + 2, size);
+ net_root_path[size] = 0;
}
break;
case 18: /* Extension path - Not yet supported */
break;
/* IP host layer fields */
case 40: /* NIS Domain name */
- if (NetOurNISDomain[0] == 0) {
+ if (net_nis_domain[0] == 0) {
size = truncate_sz("NIS Domain Name",
- sizeof(NetOurNISDomain), size);
- memcpy(&NetOurNISDomain, ext + 2, size);
- NetOurNISDomain[size] = 0;
+ sizeof(net_nis_domain), size);
+ memcpy(&net_nis_domain, ext + 2, size);
+ net_nis_domain[size] = 0;
}
break;
#if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_NTPSERVER)
case 42: /* NTP server IP */
- NetCopyIP(&NetNtpServerIP, (IPaddr_t *) (ext + 2));
+ net_copy_ip(&net_ntp_server, (struct in_addr *)(ext + 2));
break;
#endif
/* Application layer fields */
}
debug("[BOOTP] Received fields:\n");
- if (NetOurSubnetMask)
- debug("NetOurSubnetMask : %pI4\n", &NetOurSubnetMask);
-
- if (NetOurGatewayIP)
- debug("NetOurGatewayIP : %pI4", &NetOurGatewayIP);
+ if (net_netmask.s_addr)
+ debug("net_netmask : %pI4\n", &net_netmask);
- if (NetBootFileSize)
- debug("NetBootFileSize : %d\n", NetBootFileSize);
+ if (net_gateway.s_addr)
+ debug("net_gateway : %pI4", &net_gateway);
- if (NetOurHostName[0])
- debug("NetOurHostName : %s\n", NetOurHostName);
+ if (net_boot_file_expected_size_in_blocks)
+ debug("net_boot_file_expected_size_in_blocks : %d\n",
+ net_boot_file_expected_size_in_blocks);
- if (NetOurRootPath[0])
- debug("NetOurRootPath : %s\n", NetOurRootPath);
+ if (net_hostname[0])
+ debug("net_hostname : %s\n", net_hostname);
- if (NetOurNISDomain[0])
- debug("NetOurNISDomain : %s\n", NetOurNISDomain);
+ if (net_root_path[0])
+ debug("net_root_path : %s\n", net_root_path);
- if (NetBootFileSize)
- debug("NetBootFileSize: %d\n", NetBootFileSize);
+ if (net_nis_domain[0])
+ debug("net_nis_domain : %s\n", net_nis_domain);
#if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_NTPSERVER)
- if (NetNtpServerIP)
- debug("NetNtpServerIP : %pI4\n", &NetNtpServerIP);
+ if (net_ntp_server)
+ debug("net_ntp_server : %pI4\n", &net_ntp_server);
#endif
}
/*
* Handle a BOOTP received packet.
*/
-static void
-BootpHandler(uchar *pkt, unsigned dest, IPaddr_t sip, unsigned src,
- unsigned len)
+static void bootp_handler(uchar *pkt, unsigned dest, struct in_addr sip,
+ unsigned src, unsigned len)
{
struct Bootp_t *bp;
static void
BootpTimeout(void)
{
- if (BootpTry >= TIMEOUT_COUNT) {
+ ulong time_taken = get_timer(bootp_start);
+
+ if (time_taken >= TIMEOUT_MS) {
#ifdef CONFIG_BOOTP_MAY_FAIL
- puts("\nRetry count exceeded\n");
+ puts("\nRetry time exceeded\n");
net_set_state(NETLOOP_FAIL);
#else
- puts("\nRetry count exceeded; starting again\n");
+ puts("\nRetry time exceeded; starting again\n");
NetStartAgain();
#endif
} else {
- NetSetTimeout(TIMEOUT, BootpTimeout);
+ bootp_timeout *= 2;
+ if (bootp_timeout > 2000)
+ bootp_timeout = 2000;
+ NetSetTimeout(bootp_timeout, BootpTimeout);
BootpRequest();
}
}
* 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 dhcp_extended(u8 *e, int message_type, struct in_addr server_ip,
+ struct in_addr requested_ip)
{
u8 *start = e;
u8 *cnt;
*e++ = (576 - 312 + OPT_FIELD_SIZE) >> 8;
*e++ = (576 - 312 + OPT_FIELD_SIZE) & 0xff;
- if (ServerID) {
- int tmp = ntohl(ServerID);
+ if (server_ip.s_addr) {
+ int tmp = ntohl(server_ip.s_addr);
*e++ = 54; /* ServerID */
*e++ = 4;
*e++ = tmp & 0xff;
}
- if (RequestedIP) {
- int tmp = ntohl(RequestedIP);
+ if (requested_ip.s_addr) {
+ int tmp = ntohl(requested_ip.s_addr);
*e++ = 50; /* Requested IP */
*e++ = 4;
*e++ = 17;
*e++ = 0; /* type 0 - UUID */
- uuid_str_to_bin(uuid, e);
+ uuid_str_to_bin(uuid, e, UUID_STR_FORMAT_STD);
e += 16;
} else {
printf("Invalid pxeuuid: %s\n", uuid);
/*
* Warning: no field size check - change CONFIG_BOOTP_* at your own risk!
*/
-static int BootpExtended(u8 *e)
+static int bootp_extended(u8 *e)
{
u8 *start = e;
}
#endif
+void BootpReset(void)
+{
+ bootp_num_ids = 0;
+ BootpTry = 0;
+ bootp_start = get_timer(0);
+ bootp_timeout = 250;
+}
+
void
BootpRequest(void)
{
int extlen, pktlen, iplen;
int eth_hdr_size;
#ifdef CONFIG_BOOTP_RANDOM_DELAY
- ulong i, rand_ms;
+ ulong rand_ms;
#endif
+ ulong BootpID;
+ struct in_addr zero_ip;
+ struct in_addr bcast_ip;
bootstage_mark_name(BOOTSTAGE_ID_BOOTP_START, "bootp_start");
#if defined(CONFIG_CMD_DHCP)
rand_ms = rand() >> 19;
printf("Random delay: %ld ms...\n", rand_ms);
- for (i = 0; i < rand_ms; i++)
- udelay(1000); /*Wait 1ms*/
+ mdelay(rand_ms);
#endif /* CONFIG_BOOTP_RANDOM_DELAY */
pkt = NetTxPacket;
memset((void *)pkt, 0, PKTSIZE);
- eth_hdr_size = NetSetEther(pkt, NetBcastAddr, PROT_IP);
+ eth_hdr_size = NetSetEther(pkt, net_bcast_ethaddr, PROT_IP);
pkt += eth_hdr_size;
/*
bp->bp_hlen = HWL_ETHER;
bp->bp_hops = 0;
bp->bp_secs = htons(get_timer(0) / 1000);
- NetWriteIP(&bp->bp_ciaddr, 0);
- 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));
+ zero_ip.s_addr = 0;
+ net_write_ip(&bp->bp_ciaddr, zero_ip);
+ net_write_ip(&bp->bp_yiaddr, zero_ip);
+ net_write_ip(&bp->bp_siaddr, zero_ip);
+ net_write_ip(&bp->bp_giaddr, zero_ip);
+ memcpy(bp->bp_chaddr, net_ethaddr, 6);
+ copy_filename(bp->bp_file, net_boot_file_name, sizeof(bp->bp_file));
/* Request additional information from the BOOTP/DHCP server */
#if defined(CONFIG_CMD_DHCP)
- extlen = DhcpExtended((u8 *)bp->bp_vend, DHCP_DISCOVER, 0, 0);
+ extlen = dhcp_extended((u8 *)bp->bp_vend, DHCP_DISCOVER, zero_ip,
+ zero_ip);
#else
- extlen = BootpExtended((u8 *)bp->bp_vend);
+ extlen = bootp_extended((u8 *)bp->bp_vend);
#endif
/*
* Bootp ID is the lower 4 bytes of our ethernet address
* plus the current time in ms.
*/
- BootpID = ((ulong)NetOurEther[2] << 24)
- | ((ulong)NetOurEther[3] << 16)
- | ((ulong)NetOurEther[4] << 8)
- | (ulong)NetOurEther[5];
+#ifdef CONFIG_BOOTP_RANDOM_ID
+ BootpID = rand();
+#else
+ BootpID = ((ulong)net_ethaddr[2] << 24)
+ | ((ulong)net_ethaddr[3] << 16)
+ | ((ulong)net_ethaddr[4] << 8)
+ | (ulong)net_ethaddr[5];
BootpID += get_timer(0);
- BootpID = htonl(BootpID);
+ BootpID = htonl(BootpID);
+#endif
+ bootp_add_id(BootpID);
NetCopyLong(&bp->bp_id, &BootpID);
/*
*/
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(SELECT_TIMEOUT, BootpTimeout);
+ bcast_ip.s_addr = 0xFFFFFFFFL;
+ net_set_udp_header(iphdr, bcast_ip, PORT_BOOTPS, PORT_BOOTPC, iplen);
+ NetSetTimeout(bootp_timeout, BootpTimeout);
#if defined(CONFIG_CMD_DHCP)
dhcp_state = SELECTING;
- net_set_udp_handler(DhcpHandler);
+ net_set_udp_handler(dhcp_handler);
#else
- net_set_udp_handler(BootpHandler);
+ net_set_udp_handler(bootp_handler);
#endif
NetSendPacket(NetTxPacket, pktlen);
}
oplen = *(popt + 1);
switch (*popt) {
case 1:
- NetCopyIP(&NetOurSubnetMask, (popt + 2));
+ net_copy_ip(&net_netmask, (popt + 2));
break;
#if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_TIMEOFFSET)
case 2: /* Time offset */
break;
#endif
case 3:
- NetCopyIP(&NetOurGatewayIP, (popt + 2));
+ net_copy_ip(&net_gateway, (popt + 2));
break;
case 6:
- NetCopyIP(&NetOurDNSIP, (popt + 2));
+ net_copy_ip(&net_dns_server, (popt + 2));
#if defined(CONFIG_BOOTP_DNS2)
if (*(popt + 1) > 4)
- NetCopyIP(&NetOurDNS2IP, (popt + 2 + 4));
+ net_copy_ip(&net_dns_server2, (popt + 2 + 4));
#endif
break;
case 12:
size = truncate_sz("Host Name",
- sizeof(NetOurHostName), oplen);
- memcpy(&NetOurHostName, popt + 2, size);
- NetOurHostName[size] = 0;
+ sizeof(net_hostname), oplen);
+ memcpy(&net_hostname, popt + 2, size);
+ net_hostname[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);
- NetOurRootPath[size] = 0;
+ sizeof(net_root_path), oplen);
+ memcpy(&net_root_path, popt + 2, size);
+ net_root_path[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));
+ net_copy_ip(&net_ntp_server, (popt + 2));
break;
#endif
case 51:
case 53: /* Ignore Message Type Option */
break;
case 54:
- NetCopyIP(&NetDHCPServerIP, (popt + 2));
+ net_copy_ip(&dhcp_server_ip, (popt + 2));
break;
case 58: /* Ignore Renewal Time Option */
break;
struct Bootp_t *bp;
int pktlen, iplen, extlen;
int eth_hdr_size;
- IPaddr_t OfferedIP;
+ struct in_addr offered_ip;
+ struct in_addr zero_ip;
+ struct in_addr bcast_ip;
debug("DhcpSendRequestPkt: Sending DHCPREQUEST\n");
pkt = NetTxPacket;
memset((void *)pkt, 0, PKTSIZE);
- eth_hdr_size = NetSetEther(pkt, NetBcastAddr, PROT_IP);
+ eth_hdr_size = NetSetEther(pkt, net_bcast_ethaddr, PROT_IP);
pkt += eth_hdr_size;
iphdr = pkt; /* We'll need this later to set proper pkt size */
* RFC3046 requires Relay Agents to discard packets with
* nonzero and offered giaddr
*/
- NetWriteIP(&bp->bp_giaddr, 0);
+ zero_ip.s_addr = 0;
+ net_write_ip(&bp->bp_giaddr, zero_ip);
- memcpy(bp->bp_chaddr, NetOurEther, 6);
+ memcpy(bp->bp_chaddr, net_ethaddr, 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);
+ net_copy_ip(&offered_ip, &bp_offer->bp_yiaddr);
+ extlen = dhcp_extended((u8 *)bp->bp_vend, DHCP_REQUEST,
+ dhcp_server_ip, offered_ip);
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);
+ bcast_ip.s_addr = 0xFFFFFFFFL;
+ net_set_udp_header(iphdr, bcast_ip, PORT_BOOTPS, PORT_BOOTPC, iplen);
#ifdef CONFIG_BOOTP_DHCP_REQUEST_DELAY
udelay(CONFIG_BOOTP_DHCP_REQUEST_DELAY);
/*
* Handle DHCP received packets.
*/
-static void
-DhcpHandler(uchar *pkt, unsigned dest, IPaddr_t sip, unsigned src,
- unsigned len)
+static void dhcp_handler(uchar *pkt, unsigned dest, struct in_addr sip,
+ unsigned src, unsigned len)
{
struct Bootp_t *bp = (struct Bootp_t *)pkt;
htonl(BOOTP_VENDOR_MAGIC))
DhcpOptionsProcess((u8 *)&bp->bp_vend[4], bp);
- NetSetTimeout(TIMEOUT, BootpTimeout);
+ NetSetTimeout(5000, BootpTimeout);
DhcpSendRequestPkt(bp);
#ifdef CONFIG_SYS_BOOTFILE_PREFIX
}
/* Store net params from reply */
BootpCopyNetParams(bp);
dhcp_state = BOUND;
- printf("DHCP client bound to address %pI4\n",
- &NetOurIP);
+ printf("DHCP client bound to address %pI4 (%lu ms)\n",
+ &net_ip, get_timer(bootp_start));
bootstage_mark_name(BOOTSTAGE_ID_BOOTP_STOP,
"bootp_stop");
projects / karo-tx-uboot.git / blobdiff