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-rw-r--r--net/bootp.c344
1 files changed, 175 insertions, 169 deletions
diff --git a/net/bootp.c b/net/bootp.c
index 9e32476..d0a7da2 100644
--- a/net/bootp.c
+++ b/net/bootp.c
@@ -19,19 +19,19 @@
#endif
#include <linux/compiler.h>
-#define BOOTP_VENDOR_MAGIC 0x63825363 /* RFC1048 Magic Cookie */
+#define BOOTP_VENDOR_MAGIC 0x63825363 /* RFC1048 Magic Cookie */
#define TIMEOUT 5000UL /* Milliseconds before trying BOOTP again */
#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 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
@@ -43,8 +43,8 @@ ulong seed1, seed2;
#if defined(CONFIG_CMD_DHCP)
dhcp_state_t dhcp_state = INIT;
-unsigned long dhcp_leasetime = 0;
-IPaddr_t NetDHCPServerIP = 0;
+unsigned long dhcp_leasetime;
+IPaddr_t NetDHCPServerIP;
static void DhcpHandler(uchar *pkt, unsigned dest, IPaddr_t sip, unsigned src,
unsigned len);
@@ -64,37 +64,29 @@ static char *dhcpmsg2str(int type)
}
}
#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 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_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 (NetReadLong((ulong *)&bp->bp_id) != BootpID)
retval = -6;
- }
debug("Filtering pkt = %d\n", retval);
@@ -104,7 +96,7 @@ static int BootpCheckPkt(uchar *pkt, unsigned dest, unsigned src, unsigned len)
/*
* Copy parameters of interest from BOOTP_REPLY/DHCP_OFFER packet
*/
-static void BootpCopyNetParams(Bootp_t *bp)
+static void BootpCopyNetParams(struct Bootp_t *bp)
{
__maybe_unused IPaddr_t tmp_ip;
@@ -113,10 +105,10 @@ static void BootpCopyNetParams(Bootp_t *bp)
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, ((Ethernet_t *)NetRxPacket)->et_src, 6);
#endif
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);
@@ -124,97 +116,95 @@ static void BootpCopyNetParams(Bootp_t *bp)
* 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("[BOOTP] Processing extension %d... (%d bytes)\n", *ext,
- *(ext + 1));
+ *(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
@@ -222,10 +212,11 @@ static void BootpVendorFieldProcess (u8 * ext)
*/
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;
@@ -235,7 +226,7 @@ static void BootpVendorFieldProcess (u8 * ext)
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.
@@ -245,7 +236,7 @@ static void BootpVendorFieldProcess (u8 * ext)
}
}
-static void BootpVendorProcess (u8 * ext, int size)
+static void BootpVendorProcess(u8 *ext, int size)
{
u8 *end = ext + size;
@@ -259,11 +250,11 @@ static void BootpVendorProcess (u8 * ext, int size)
ext += ext[1] + 2;
if (ext <= end)
- BootpVendorFieldProcess (opt);
+ BootpVendorFieldProcess(opt);
}
}
- debug("[BOOTP] Received fields: \n");
+ debug("[BOOTP] Received fields:\n");
if (NetOurSubnetMask)
debug("NetOurSubnetMask : %pI4\n", &NetOurSubnetMask);
@@ -298,27 +289,28 @@ static void
BootpHandler(uchar *pkt, unsigned dest, IPaddr_t sip, unsigned src,
unsigned len)
{
- Bootp_t *bp;
+ struct Bootp_t *bp;
debug("got BOOTP packet (src=%d, dst=%d, len=%d want_len=%zu)\n",
- src, dest, len, sizeof (Bootp_t));
+ 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);
@@ -337,11 +329,11 @@ static void
BootpTimeout(void)
{
if (BootpTry >= TIMEOUT_COUNT) {
- puts ("\nRetry count exceeded; starting again\n");
- NetStartAgain ();
+ puts("\nRetry count exceeded; starting again\n");
+ NetStartAgain();
} else {
- NetSetTimeout (TIMEOUT, BootpTimeout);
- BootpRequest ();
+ NetSetTimeout(TIMEOUT, BootpTimeout);
+ BootpRequest();
}
}
@@ -349,7 +341,8 @@ BootpTimeout(void)
* 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;
@@ -381,7 +374,7 @@ static int DhcpExtended (u8 * e, int message_type, IPaddr_t ServerID, IPaddr_t R
*e++ = (576 - 312 + OPT_SIZE) & 0xff;
if (ServerID) {
- int tmp = ntohl (ServerID);
+ int tmp = ntohl(ServerID);
*e++ = 54; /* ServerID */
*e++ = 4;
@@ -392,7 +385,7 @@ static int DhcpExtended (u8 * e, int message_type, IPaddr_t ServerID, IPaddr_t R
}
if (RequestedIP) {
- int tmp = ntohl (RequestedIP);
+ int tmp = ntohl(RequestedIP);
*e++ = 50; /* Requested IP */
*e++ = 4;
@@ -402,12 +395,13 @@ static int DhcpExtended (u8 * e, int message_type, IPaddr_t ServerID, IPaddr_t R
*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
@@ -448,7 +442,8 @@ static int DhcpExtended (u8 * e, int message_type, IPaddr_t ServerID, IPaddr_t R
#endif
#if defined(CONFIG_BOOTP_VENDOREX)
- if ((x = dhcp_vendorex_prep (e)))
+ x = dhcp_vendorex_prep(e);
+ if (x)
return x - start;
#endif
@@ -508,9 +503,9 @@ static int DhcpExtended (u8 * e, int message_type, IPaddr_t ServerID, IPaddr_t R
#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;
@@ -584,10 +579,10 @@ static int BootpExtended (u8 * e)
#endif
void
-BootpRequest (void)
+BootpRequest(void)
{
- volatile uchar *pkt, *iphdr;
- Bootp_t *bp;
+ uchar *pkt, *iphdr;
+ struct Bootp_t *bp;
int ext_len, pktlen, iplen;
bootstage_mark_name(BOOTSTAGE_ID_BOOTP_START, "bootp_start");
@@ -600,22 +595,22 @@ BootpRequest (void)
int reg;
ulong tst1, tst2, sum, m_mask, m_value = 0;
- if (BootpTry ==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' : ':');
+ 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 = 0;
+ tst2 = 0;
+ for (reg = 2; reg < 6; reg++) {
tst1 = tst1 << 8;
tst1 = tst1 | bi_enetaddr[reg];
}
- for (reg=0; reg<2; reg++) {
+ for (reg = 0; reg < 2; reg++) {
tst2 = tst2 | bi_enetaddr[reg];
tst2 = tst2 << 8;
}
@@ -623,8 +618,8 @@ BootpRequest (void)
seed1 = tst1^tst2;
/* Mirror seed1*/
- m_mask=0x1;
- for (reg=1;reg<=32;reg++) {
+ m_mask = 0x1;
+ for (reg = 1; reg <= 32; reg++) {
m_value |= (m_mask & seed1);
seed1 = seed1 >> 1;
m_value = m_value << 1;
@@ -634,44 +629,45 @@ BootpRequest (void)
}
/* Random Number Generator */
-
- for (reg=0;reg<=0;reg++) {
+ 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 */
+ if (BootpTry <= 2) { /* Start with max 1024 * 1ms */
sum = sum >> (22-BootpTry);
- } else { /*After 3rd BOOTP request max 8192 * 1ms */
+ } else { /*After 3rd BOOTP request max 8192 * 1ms */
sum = sum >> 19;
}
}
- printf ("Random delay: %ld ms...\n", sum);
- for (reg=0; reg <sum; reg++) {
+ 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);
/*
- * 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)); */
+ /* NetSetIP(pkt, 0xFFFFFFFFL, PORT_BOOTPS, PORT_BOOTPC,
+ sizeof (struct Bootp_t)); */
iphdr = pkt; /* We need this later for NetSetIP() */
pkt += IP_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;
@@ -681,8 +677,8 @@ BootpRequest (void)
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)
@@ -707,7 +703,8 @@ BootpRequest (void)
* 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;
+ 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);
@@ -722,7 +719,7 @@ BootpRequest (void)
}
#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;
@@ -734,50 +731,51 @@ static void DhcpOptionsProcess (uchar * popt, Bootp_t *bp)
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 */
to_ptr = &NetTimeOffset;
- NetCopyLong ((ulong *)to_ptr, (ulong *)(popt + 2));
- NetTimeOffset = ntohl (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;
#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;
@@ -792,7 +790,7 @@ static void DhcpOptionsProcess (uchar * popt, Bootp_t *bp)
* 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) {
@@ -813,10 +811,11 @@ static void DhcpOptionsProcess (uchar * popt, Bootp_t *bp)
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 */
@@ -825,42 +824,42 @@ static void DhcpOptionsProcess (uchar * popt, Bootp_t *bp)
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;
IPaddr_t OfferedIP;
debug("DhcpSendRequestPkt: Sending DHCPREQUEST\n");
pkt = NetTxPacket;
- memset ((void*)pkt, 0, PKTSIZE);
+ memset((void *)pkt, 0, PKTSIZE);
pkt += NetSetEther(pkt, NetBcastAddr, PROT_IP);
- iphdr = pkt; /* We'll need this later to set proper pkt size */
+ iphdr = pkt; /* We'll need this later to set proper pkt size */
pkt += IP_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
@@ -868,7 +867,7 @@ static void DhcpSendRequestPkt(Bootp_t *bp_offer)
*/
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
@@ -882,9 +881,11 @@ static void DhcpSendRequestPkt(Bootp_t *bp_offer)
/* 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;
+ 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);
@@ -902,36 +903,38 @@ static void
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",
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);
#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");
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);
@@ -945,14 +948,17 @@ DhcpHandler(uchar *pkt, unsigned dest, IPaddr_t sip, unsigned src,
case REQUESTING:
debug("DHCP State: REQUESTING\n");
- if ( DhcpMessageType((u8 *)bp->bp_vend) == DHCP_ACK ) {
- 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);
+ printf("DHCP client bound to address %pI4\n",
+ &NetOurIP);
bootstage_mark_name(BOOTSTAGE_ID_BOOTP_STOP,
- "bootp_stop");
+ "bootp_stop");
net_auto_load();
return;
@@ -962,7 +968,7 @@ DhcpHandler(uchar *pkt, unsigned dest, IPaddr_t sip, unsigned src,
/* DHCP client bound to address */
break;
default:
- puts ("DHCP: INVALID STATE\n");
+ puts("DHCP: INVALID STATE\n");
break;
}
generated by cgit v1.1 at 2024-12-12 08:46:04 +0000