#include <command.h>
#include <net.h>
#include "bootp.h"
+#include "net_rand.h"
#include "tftp.h"
#include "nfs.h"
#ifdef CONFIG_STATUS_LED
#include <status_led.h>
#endif
-#include <linux/compiler.h>
#define BOOTP_VENDOR_MAGIC 0x63825363 /* RFC1048 Magic Cookie */
ulong BootpID;
int BootpTry;
-#ifdef CONFIG_BOOTP_RANDOM_DELAY
-ulong seed1, seed2;
-#endif
#if defined(CONFIG_CMD_DHCP)
dhcp_state_t dhcp_state = INIT;
if (dest != PORT_BOOTPC || src != PORT_BOOTPS)
retval = -1;
- else if (len < sizeof(struct 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 &&
*/
static void BootpCopyNetParams(struct Bootp_t *bp)
{
- __maybe_unused IPaddr_t tmp_ip;
-
- NetCopyIP(&NetOurIP, &bp->bp_yiaddr);
#if !defined(CONFIG_BOOTP_SERVERIP)
+ IPaddr_t tmp_ip;
+
NetCopyIP(&tmp_ip, &bp->bp_siaddr);
if (tmp_ip != 0)
NetCopyIP(&NetServerIP, &bp->bp_siaddr);
- memcpy(NetServerEther, ((Ethernet_t *)NetRxPacket)->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));
BootpTimeout(void)
{
if (BootpTry >= TIMEOUT_COUNT) {
+#ifdef CONFIG_BOOTP_MAY_FAIL
+ puts("\nRetry count exceeded\n");
+ NetSetState(NETLOOP_FAIL);
+#else
puts("\nRetry count exceeded; starting again\n");
NetStartAgain();
+#endif
} else {
NetSetTimeout(TIMEOUT, BootpTimeout);
BootpRequest();
*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);
*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_SUBNETMASK)
{
uchar *pkt, *iphdr;
struct Bootp_t *bp;
- int ext_len, pktlen, iplen;
+ int extlen, pktlen, iplen;
+ int eth_hdr_size;
+#ifdef CONFIG_BOOTP_RANDOM_DELAY
+ ulong i, rand_ms;
+#endif
bootstage_mark_name(BOOTSTAGE_ID_BOOTP_START, "bootp_start");
#if defined(CONFIG_CMD_DHCP)
#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);
-
- 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;
- 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;
- }
+ if (BootpTry == 0)
+ srand_mac();
- /* Random Number Generator */
- 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 */
- sum = sum >> (22-BootpTry);
- } else { /*After 3rd BOOTP request max 8192 * 1ms */
- sum = sum >> 19;
- }
- }
+ 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;
- printf("Random delay: %ld ms...\n", sum);
- for (reg = 0; reg < sum; reg++)
+ printf("Random delay: %ld ms...\n", rand_ms);
+ for (i = 0; i < rand_ms; i++)
udelay(1000); /*Wait 1ms*/
#endif /* CONFIG_BOOTP_RANDOM_DELAY */
pkt = NetTxPacket;
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,
* determined.
* C. Hallinan, DS4.COM, Inc.
*/
- /* NetSetIP(pkt, 0xFFFFFFFFL, PORT_BOOTPS, PORT_BOOTPC,
+ /* net_set_udp_header(pkt, 0xFFFFFFFFL, PORT_BOOTPS, PORT_BOOTPC,
sizeof (struct Bootp_t)); */
- iphdr = pkt; /* We need this later for NetSetIP() */
- pkt += IP_HDR_SIZE;
+ iphdr = pkt; /* We need this later for net_set_udp_header() */
+ pkt += IP_UDP_HDR_SIZE;
bp = (struct Bootp_t *)pkt;
bp->bp_op = OP_BOOTREQUEST;
/* 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
/*
* 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);
+ 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);
#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);
}
uchar *pkt, *iphdr;
struct Bootp_t *bp;
int pktlen, iplen, extlen;
+ int eth_hdr_size;
IPaddr_t OfferedIP;
debug("DhcpSendRequestPkt: Sending DHCPREQUEST\n");
pkt = NetTxPacket;
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;
+ pkt += IP_UDP_HDR_SIZE;
bp = (struct Bootp_t *)pkt;
bp->bp_op = OP_BOOTREQUEST;
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);
}