*
* DHCP:
*
- * Prerequisites: - own ethernet address
- * We want: - IP, Netmask, ServerIP, Gateway IP
- * - bootfilename, lease time
- * Next step: - TFTP
+ * Prerequisites: - own ethernet address
+ * We want: - IP, Netmask, ServerIP, Gateway IP
+ * - bootfilename, lease time
+ * Next step: - TFTP
*
* TFTP:
*
* derived from our own IP address)
* We want: - load the boot file
* Next step: none
+ *
+ * NFS:
+ *
+ * Prerequisites: - own ethernet address
+ * - own IP address
+ * - name of bootfile (if unknown, we use a default name
+ * derived from our own IP address)
+ * We want: - load the boot file
+ * Next step: none
+ *
+ * SNTP:
+ *
+ * Prerequisites: - own ethernet address
+ * - own IP address
+ * We want: - network time
+ * Next step: none
*/
#include "bootp.h"
#include "tftp.h"
#include "rarp.h"
+#include "nfs.h"
#ifdef CONFIG_STATUS_LED
#include <status_led.h>
#include <miiphy.h>
#endif
+#if defined(CONFIG_CMD_SNTP)
+#include "sntp.h"
+#endif
+
+#if defined(CONFIG_CMD_NET)
-#if (CONFIG_COMMANDS & CFG_CMD_NET)
+DECLARE_GLOBAL_DATA_PTR;
#define ARP_TIMEOUT 5 /* Seconds before trying ARP again */
#ifndef CONFIG_NET_RETRY_COUNT
IPaddr_t NetOurSubnetMask=0; /* Our subnet mask (0=unknown) */
IPaddr_t NetOurGatewayIP=0; /* Our gateways IP address */
IPaddr_t NetOurDNSIP=0; /* Our DNS IP address */
-#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_DNS2)
+#if defined(CONFIG_BOOTP_DNS2)
IPaddr_t NetOurDNS2IP=0; /* Our 2nd DNS IP address */
#endif
char NetOurNISDomain[32]={0,}; /* Our NIS domain */
char NetOurRootPath[64]={0,}; /* Our bootpath */
ushort NetBootFileSize=0; /* Our bootfile size in blocks */
+#ifdef CONFIG_MCAST_TFTP /* Multicast TFTP */
+IPaddr_t Mcast_addr;
+#endif
+
/** END OF BOOTP EXTENTIONS **/
ulong NetBootFileXferSize; /* The actual transferred size of the bootfile (in bytes) */
{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
uchar NetEtherNullAddr[6] =
{ 0, 0, 0, 0, 0, 0 };
+#if defined(CONFIG_CMD_CDP)
+uchar NetCDPAddr[6] = /* Ethernet bcast address */
+ { 0x01, 0x00, 0x0c, 0xcc, 0xcc, 0xcc };
+#endif
int NetState; /* Network loop state */
#ifdef CONFIG_NET_MULTI
int NetRestartWrap = 0; /* Tried all network devices */
static int NetDevExists = 0; /* At least one device configured */
#endif
+/* XXX in both little & big endian machines 0xFFFF == ntohs(-1) */
+ushort NetOurVLAN = 0xFFFF; /* default is without VLAN */
+ushort NetOurNativeVLAN = 0xFFFF; /* ditto */
+
char BootFile[128]; /* Boot File name */
-#if (CONFIG_COMMANDS & CFG_CMD_PING)
+#if defined(CONFIG_CMD_PING)
IPaddr_t NetPingIP; /* the ip address to ping */
static void PingStart(void);
#endif
+#if defined(CONFIG_CMD_CDP)
+static void CDPStart(void);
+#endif
+
+#if defined(CONFIG_CMD_SNTP)
+IPaddr_t NetNtpServerIP; /* NTP server IP address */
+int NetTimeOffset=0; /* offset time from UTC */
+#endif
+
+#ifdef CONFIG_NETCONSOLE
+void NcStart(void);
+int nc_input_packet(uchar *pkt, unsigned dest, unsigned src, unsigned len);
+#endif
+
volatile uchar PktBuf[(PKTBUFSRX+1) * PKTSIZE_ALIGN + PKTALIGN];
volatile uchar *NetRxPackets[PKTBUFSRX]; /* Receive packets */
IPaddr_t NetArpWaitPacketIP;
IPaddr_t NetArpWaitReplyIP;
uchar *NetArpWaitPacketMAC; /* MAC address of waiting packet's destination */
-uchar *NetArpWaitTxPacket; /* THE transmit packet */
+uchar *NetArpWaitTxPacket; /* THE transmit packet */
int NetArpWaitTxPacketSize;
uchar NetArpWaitPacketBuf[PKTSIZE_ALIGN + PKTALIGN];
ulong NetArpWaitTimerStart;
int NetArpWaitTry;
-void ArpRequest(void)
+void ArpRequest (void)
{
int i;
volatile uchar *pkt;
- ARP_t * arp;
+ ARP_t *arp;
#ifdef ET_DEBUG
- printf("ARP broadcast %d\n", NetArpWaitTry);
+ printf ("ARP broadcast %d\n", NetArpWaitTry);
#endif
pkt = NetTxPacket;
- NetSetEther(pkt, NetBcastAddr, PROT_ARP);
- pkt += ETHER_HDR_SIZE;
+ pkt += NetSetEther (pkt, NetBcastAddr, PROT_ARP);
- arp = (ARP_t *)pkt;
+ arp = (ARP_t *) pkt;
- arp->ar_hrd = htons(ARP_ETHER);
- arp->ar_pro = htons(PROT_IP);
+ arp->ar_hrd = htons (ARP_ETHER);
+ arp->ar_pro = htons (PROT_IP);
arp->ar_hln = 6;
arp->ar_pln = 4;
- arp->ar_op = htons(ARPOP_REQUEST);
+ arp->ar_op = htons (ARPOP_REQUEST);
- memcpy (&arp->ar_data[0], NetOurEther, 6); /* source ET addr */
- NetWriteIP((uchar*)&arp->ar_data[6], NetOurIP); /* source IP addr */
- for (i=10; i<16; ++i) {
- arp->ar_data[i] = 0; /* dest ET addr = 0 */
+ memcpy (&arp->ar_data[0], NetOurEther, 6); /* source ET addr */
+ NetWriteIP ((uchar *) & arp->ar_data[6], NetOurIP); /* source IP addr */
+ for (i = 10; i < 16; ++i) {
+ arp->ar_data[i] = 0; /* dest ET addr = 0 */
}
- if((NetArpWaitPacketIP & NetOurSubnetMask) != (NetOurIP & NetOurSubnetMask)) {
- if (NetOurGatewayIP == 0) {
- puts ("## Warning: gatewayip needed but not set\n");
- }
- NetArpWaitReplyIP = NetOurGatewayIP;
- } else
- NetArpWaitReplyIP = NetArpWaitPacketIP;
+ if ((NetArpWaitPacketIP & NetOurSubnetMask) !=
+ (NetOurIP & NetOurSubnetMask)) {
+ if (NetOurGatewayIP == 0) {
+ puts ("## Warning: gatewayip needed but not set\n");
+ NetArpWaitReplyIP = NetArpWaitPacketIP;
+ } else {
+ NetArpWaitReplyIP = NetOurGatewayIP;
+ }
+ } else {
+ NetArpWaitReplyIP = NetArpWaitPacketIP;
+ }
- NetWriteIP((uchar*)&arp->ar_data[16], NetArpWaitReplyIP);
- (void) eth_send(NetTxPacket, ETHER_HDR_SIZE + ARP_HDR_SIZE);
+ NetWriteIP ((uchar *) & arp->ar_data[16], NetArpWaitReplyIP);
+ (void) eth_send (NetTxPacket, (pkt - NetTxPacket) + ARP_HDR_SIZE);
}
void ArpTimeoutCheck(void)
int
NetLoop(proto_t protocol)
{
- DECLARE_GLOBAL_DATA_PTR;
-
bd_t *bd = gd->bd;
#ifdef CONFIG_NET_MULTI
if (!NetTxPacket) {
int i;
-
/*
* Setup packet buffers, aligned correctly.
*/
for (i = 0; i < PKTBUFSRX; i++) {
NetRxPackets[i] = NetTxPacket + (i+1)*PKTSIZE_ALIGN;
}
-
}
if (!NetArpWaitTxPacket) {
}
eth_halt();
- if(eth_init(bd) < 0)
- return(-1);
+#ifdef CONFIG_NET_MULTI
+ eth_set_current();
+#endif
+ if (eth_init(bd) < 0) {
+ eth_halt();
+ return(-1);
+ }
restart:
#ifdef CONFIG_NET_MULTI
*/
switch (protocol) {
-#if (CONFIG_COMMANDS & CFG_CMD_PING)
+#if defined(CONFIG_CMD_NFS)
+ case NFS:
+#endif
+#if defined(CONFIG_CMD_PING)
case PING:
#endif
+#if defined(CONFIG_CMD_SNTP)
+ case SNTP:
+#endif
+ case NETCONS:
case TFTP:
NetCopyIP(&NetOurIP, &bd->bi_ip_addr);
NetOurGatewayIP = getenv_IPaddr ("gatewayip");
NetOurSubnetMask= getenv_IPaddr ("netmask");
+ NetOurVLAN = getenv_VLAN("vlan");
+ NetOurNativeVLAN = getenv_VLAN("nvlan");
switch (protocol) {
+#if defined(CONFIG_CMD_NFS)
+ case NFS:
+#endif
+ case NETCONS:
case TFTP:
NetServerIP = getenv_IPaddr ("serverip");
break;
-#if (CONFIG_COMMANDS & CFG_CMD_PING)
+#if defined(CONFIG_CMD_PING)
case PING:
/* nothing */
break;
+#endif
+#if defined(CONFIG_CMD_SNTP)
+ case SNTP:
+ /* nothing */
+ break;
#endif
default:
break;
* IP addr assigned to us by the BOOTP / RARP server
*/
NetOurIP = 0;
- NetServerIP = 0;
+ NetServerIP = getenv_IPaddr ("serverip");
+ NetOurVLAN = getenv_VLAN("vlan"); /* VLANs must be read */
+ NetOurNativeVLAN = getenv_VLAN("nvlan");
+ case CDP:
+ NetOurVLAN = getenv_VLAN("vlan"); /* VLANs must be read */
+ NetOurNativeVLAN = getenv_VLAN("nvlan");
break;
default:
break;
switch (net_check_prereq (protocol)) {
case 1:
/* network not configured */
+ eth_halt();
return (-1);
#ifdef CONFIG_NET_MULTI
TftpStart();
break;
-#if (CONFIG_COMMANDS & CFG_CMD_DHCP)
+#if defined(CONFIG_CMD_DHCP)
case DHCP:
/* Start with a clean slate... */
+ BootpTry = 0;
NetOurIP = 0;
- NetServerIP = 0;
+ NetServerIP = getenv_IPaddr ("serverip");
DhcpRequest(); /* Basically same as BOOTP */
break;
-#endif /* CFG_CMD_DHCP */
+#endif
case BOOTP:
BootpTry = 0;
RarpTry = 0;
RarpRequest ();
break;
-#if (CONFIG_COMMANDS & CFG_CMD_PING)
+#if defined(CONFIG_CMD_PING)
case PING:
PingStart();
break;
+#endif
+#if defined(CONFIG_CMD_NFS)
+ case NFS:
+ NfsStart();
+ break;
+#endif
+#if defined(CONFIG_CMD_CDP)
+ case CDP:
+ CDPStart();
+ break;
+#endif
+#ifdef CONFIG_NETCONSOLE
+ case NETCONS:
+ NcStart();
+ break;
+#endif
+#if defined(CONFIG_CMD_SNTP)
+ case SNTP:
+ SntpStart();
+ break;
#endif
default:
break;
break;
}
-#if defined(CONFIG_MII) || (CONFIG_COMMANDS & CFG_CMD_MII)
+#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
#if defined(CFG_FAULT_ECHO_LINK_DOWN) && defined(CONFIG_STATUS_LED) && defined(STATUS_LED_RED)
/*
* Echo the inverted link state to the fault LED.
*/
- if(miiphy_link(CFG_FAULT_MII_ADDR)) {
+ if(miiphy_link(eth_get_dev()->name, CFG_FAULT_MII_ADDR)) {
status_led_set (STATUS_LED_RED, STATUS_LED_OFF);
} else {
status_led_set (STATUS_LED_RED, STATUS_LED_ON);
/*
* Main packet reception loop. Loop receiving packets until
- * someone sets `NetQuit'.
+ * someone sets `NetState' to a state that terminates.
*/
for (;;) {
WATCHDOG_RESET();
*/
if (ctrlc()) {
eth_halt();
- printf("\nAbort\n");
+ puts ("\nAbort\n");
return (-1);
}
if (timeHandler && ((get_timer(0) - timeStart) > timeDelta)) {
thand_f *x;
-#if defined(CONFIG_MII) || (CONFIG_COMMANDS & CFG_CMD_MII)
-#if defined(CFG_FAULT_ECHO_LINK_DOWN) && defined(CONFIG_STATUS_LED) && defined(STATUS_LED_RED)
+#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
+# if defined(CFG_FAULT_ECHO_LINK_DOWN) && \
+ defined(CONFIG_STATUS_LED) && \
+ defined(STATUS_LED_RED)
/*
* Echo the inverted link state to the fault LED.
*/
- if(miiphy_link(CFG_FAULT_MII_ADDR)) {
+ if(miiphy_link(eth_get_dev()->name, CFG_FAULT_MII_ADDR)) {
status_led_set (STATUS_LED_RED, STATUS_LED_OFF);
} else {
status_led_set (STATUS_LED_RED, STATUS_LED_ON);
}
-#endif /* CFG_FAULT_ECHO_LINK_DOWN, ... */
+# endif /* CFG_FAULT_ECHO_LINK_DOWN, ... */
#endif /* CONFIG_MII, ... */
x = timeHandler;
timeHandler = (thand_f *)0;
case NETLOOP_SUCCESS:
if (NetBootFileXferSize > 0) {
- char buf[10];
+ char buf[20];
printf("Bytes transferred = %ld (%lx hex)\n",
NetBootFileXferSize,
NetBootFileXferSize);
- sprintf(buf, "%lx", NetBootFileXferSize);
+ sprintf(buf, "%lX", NetBootFileXferSize);
setenv("filesize", buf);
+
+ sprintf(buf, "%lX", (unsigned long)load_addr);
+ setenv("fileaddr", buf);
}
eth_halt();
return NetBootFileXferSize;
/* Totally ignore the packet */
}
-void
-NetStartAgain(void)
+void NetStartAgain (void)
{
-#ifndef CONFIG_NET_MULTI
- NetSetTimeout(10 * CFG_HZ, startAgainTimeout);
- NetSetHandler(startAgainHandler);
-#else
- DECLARE_GLOBAL_DATA_PTR;
+ char *nretry;
+ int noretry = 0, once = 0;
- eth_halt();
- eth_try_another(!NetRestarted);
- eth_init(gd->bd);
- if (NetRestartWrap)
- {
+ if ((nretry = getenv ("netretry")) != NULL) {
+ noretry = (strcmp (nretry, "no") == 0);
+ once = (strcmp (nretry, "once") == 0);
+ }
+ if (noretry) {
+ eth_halt ();
+ NetState = NETLOOP_FAIL;
+ return;
+ }
+#ifndef CONFIG_NET_MULTI
+ NetSetTimeout (10 * CFG_HZ, startAgainTimeout);
+ NetSetHandler (startAgainHandler);
+#else /* !CONFIG_NET_MULTI*/
+ eth_halt ();
+ eth_try_another (!NetRestarted);
+ eth_init (gd->bd);
+ if (NetRestartWrap) {
NetRestartWrap = 0;
- if (NetDevExists)
- {
- NetSetTimeout(10 * CFG_HZ, startAgainTimeout);
- NetSetHandler(startAgainHandler);
- }
- else
- {
+ if (NetDevExists && !once) {
+ NetSetTimeout (10 * CFG_HZ, startAgainTimeout);
+ NetSetHandler (startAgainHandler);
+ } else {
NetState = NETLOOP_FAIL;
}
- }
- else
- {
+ } else {
NetState = NETLOOP_RESTART;
}
-#endif
+#endif /* CONFIG_NET_MULTI */
}
/**********************************************************************/
void
-NetSetTimeout(int iv, thand_f * f)
+NetSetTimeout(ulong iv, thand_f * f)
{
if (iv == 0) {
timeHandler = (thand_f *)0;
int
NetSendUDPPacket(uchar *ether, IPaddr_t dest, int dport, int sport, int len)
{
+ uchar *pkt;
+
/* convert to new style broadcast */
if (dest == 0)
dest = 0xFFFFFFFF;
#ifdef ET_DEBUG
printf("sending ARP for %08lx\n", dest);
#endif
-
NetArpWaitPacketIP = dest;
NetArpWaitPacketMAC = ether;
- NetSetEther (NetArpWaitTxPacket, NetArpWaitPacketMAC, PROT_IP);
- NetSetIP (NetArpWaitTxPacket + ETHER_HDR_SIZE, dest, dport, sport, len);
- memcpy(NetArpWaitTxPacket + ETHER_HDR_SIZE + IP_HDR_SIZE,
- (uchar *)NetTxPacket + ETHER_HDR_SIZE + IP_HDR_SIZE, len);
+
+ pkt = NetArpWaitTxPacket;
+ pkt += NetSetEther (pkt, NetArpWaitPacketMAC, PROT_IP);
+
+ NetSetIP (pkt, dest, dport, sport, len);
+ memcpy(pkt + IP_HDR_SIZE, (uchar *)NetTxPacket + (pkt - (uchar *)NetArpWaitTxPacket) + IP_HDR_SIZE, len);
/* size of the waiting packet */
- NetArpWaitTxPacketSize = ETHER_HDR_SIZE + IP_HDR_SIZE + len;
+ NetArpWaitTxPacketSize = (pkt - NetArpWaitTxPacket) + IP_HDR_SIZE + len;
/* and do the ARP request */
NetArpWaitTry = 1;
#ifdef ET_DEBUG
printf("sending UDP to %08lx/%02x:%02x:%02x:%02x:%02x:%02x\n",
- dest, ether[0], ether[1], ether[2], ether[3], ether[4], ether[5]);
+ dest, ether[0], ether[1], ether[2], ether[3], ether[4], ether[5]);
#endif
- NetSetEther (NetTxPacket, ether, PROT_IP);
- NetSetIP (NetTxPacket + ETHER_HDR_SIZE, dest, dport, sport, len);
- (void) eth_send(NetTxPacket, ETHER_HDR_SIZE + IP_HDR_SIZE + len);
+ pkt = (uchar *)NetTxPacket;
+ pkt += NetSetEther (pkt, ether, PROT_IP);
+ NetSetIP (pkt, dest, dport, sport, len);
+ (void) eth_send(NetTxPacket, (pkt - NetTxPacket) + IP_HDR_SIZE + len);
- return 0; /* transmited */
+ return 0; /* transmitted */
}
-#if (CONFIG_COMMANDS & CFG_CMD_PING)
+#if defined(CONFIG_CMD_PING)
static ushort PingSeqNo;
int PingSend(void)
static uchar mac[6];
volatile IP_t *ip;
volatile ushort *s;
+ uchar *pkt;
/* XXX always send arp request */
NetArpWaitPacketIP = NetPingIP;
NetArpWaitPacketMAC = mac;
- NetSetEther(NetArpWaitTxPacket, mac, PROT_IP);
+ pkt = NetArpWaitTxPacket;
+ pkt += NetSetEther(pkt, mac, PROT_IP);
- ip = (volatile IP_t *)(NetArpWaitTxPacket + ETHER_HDR_SIZE);
+ ip = (volatile IP_t *)pkt;
/*
* Construct an IP and ICMP header. (need to set no fragment bit - XXX)
s[1] = ~NetCksum((uchar *)s, 8/2);
/* size of the waiting packet */
- NetArpWaitTxPacketSize = ETHER_HDR_SIZE + IP_HDR_SIZE_NO_UDP + 8;
+ NetArpWaitTxPacketSize = (pkt - NetArpWaitTxPacket) + IP_HDR_SIZE_NO_UDP + 8;
/* and do the ARP request */
NetArpWaitTry = 1;
static void PingStart(void)
{
+#if defined(CONFIG_NET_MULTI)
+ printf ("Using %s device\n", eth_get_name());
+#endif /* CONFIG_NET_MULTI */
NetSetTimeout (10 * CFG_HZ, PingTimeout);
NetSetHandler (PingHandler);
PingSend();
}
+#endif
+
+#if defined(CONFIG_CMD_CDP)
+
+#define CDP_DEVICE_ID_TLV 0x0001
+#define CDP_ADDRESS_TLV 0x0002
+#define CDP_PORT_ID_TLV 0x0003
+#define CDP_CAPABILITIES_TLV 0x0004
+#define CDP_VERSION_TLV 0x0005
+#define CDP_PLATFORM_TLV 0x0006
+#define CDP_NATIVE_VLAN_TLV 0x000a
+#define CDP_APPLIANCE_VLAN_TLV 0x000e
+#define CDP_TRIGGER_TLV 0x000f
+#define CDP_POWER_CONSUMPTION_TLV 0x0010
+#define CDP_SYSNAME_TLV 0x0014
+#define CDP_SYSOBJECT_TLV 0x0015
+#define CDP_MANAGEMENT_ADDRESS_TLV 0x0016
+
+#define CDP_TIMEOUT (CFG_HZ/4) /* one packet every 250ms */
+
+static int CDPSeq;
+static int CDPOK;
+
+ushort CDPNativeVLAN;
+ushort CDPApplianceVLAN;
+
+static const uchar CDP_SNAP_hdr[8] = { 0xAA, 0xAA, 0x03, 0x00, 0x00, 0x0C, 0x20, 0x00 };
+
+static ushort CDP_compute_csum(const uchar *buff, ushort len)
+{
+ ushort csum;
+ int odd;
+ ulong result = 0;
+ ushort leftover;
+ ushort *p;
+
+ if (len > 0) {
+ odd = 1 & (ulong)buff;
+ if (odd) {
+ result = *buff << 8;
+ len--;
+ buff++;
+ }
+ while (len > 1) {
+ p = (ushort *)buff;
+ result += *p++;
+ buff = (uchar *)p;
+ if (result & 0x80000000)
+ result = (result & 0xFFFF) + (result >> 16);
+ len -= 2;
+ }
+ if (len) {
+ leftover = (signed short)(*(const signed char *)buff);
+ /* CISCO SUCKS big time! (and blows too):
+ * CDP uses the IP checksum algorithm with a twist;
+ * for the last byte it *sign* extends and sums.
+ */
+ result = (result & 0xffff0000) | ((result + leftover) & 0x0000ffff);
+ }
+ while (result >> 16)
+ result = (result & 0xFFFF) + (result >> 16);
+
+ if (odd)
+ result = ((result >> 8) & 0xff) | ((result & 0xff) << 8);
+ }
+
+ /* add up 16-bit and 17-bit words for 17+c bits */
+ result = (result & 0xffff) + (result >> 16);
+ /* add up 16-bit and 2-bit for 16+c bit */
+ result = (result & 0xffff) + (result >> 16);
+ /* add up carry.. */
+ result = (result & 0xffff) + (result >> 16);
+
+ /* negate */
+ csum = ~(ushort)result;
+
+ /* run time endian detection */
+ if (csum != htons(csum)) /* little endian */
+ csum = htons(csum);
+
+ return csum;
+}
+
+int CDPSendTrigger(void)
+{
+ volatile uchar *pkt;
+ volatile ushort *s;
+ volatile ushort *cp;
+ Ethernet_t *et;
+ int len;
+ ushort chksum;
+#if defined(CONFIG_CDP_DEVICE_ID) || defined(CONFIG_CDP_PORT_ID) || \
+ defined(CONFIG_CDP_VERSION) || defined(CONFIG_CDP_PLATFORM)
+ char buf[32];
+#endif
+
+ pkt = NetTxPacket;
+ et = (Ethernet_t *)pkt;
+
+ /* NOTE: trigger sent not on any VLAN */
+
+ /* form ethernet header */
+ memcpy(et->et_dest, NetCDPAddr, 6);
+ memcpy(et->et_src, NetOurEther, 6);
+
+ pkt += ETHER_HDR_SIZE;
+
+ /* SNAP header */
+ memcpy((uchar *)pkt, CDP_SNAP_hdr, sizeof(CDP_SNAP_hdr));
+ pkt += sizeof(CDP_SNAP_hdr);
+
+ /* CDP header */
+ *pkt++ = 0x02; /* CDP version 2 */
+ *pkt++ = 180; /* TTL */
+ s = (volatile ushort *)pkt;
+ cp = s;
+ *s++ = htons(0); /* checksum (0 for later calculation) */
+
+ /* CDP fields */
+#ifdef CONFIG_CDP_DEVICE_ID
+ *s++ = htons(CDP_DEVICE_ID_TLV);
+ *s++ = htons(CONFIG_CDP_DEVICE_ID);
+ memset(buf, 0, sizeof(buf));
+ sprintf(buf, CONFIG_CDP_DEVICE_ID_PREFIX "%02X%02X%02X%02X%02X%02X",
+ NetOurEther[0] & 0xff, NetOurEther[1] & 0xff,
+ NetOurEther[2] & 0xff, NetOurEther[3] & 0xff,
+ NetOurEther[4] & 0xff, NetOurEther[5] & 0xff);
+ memcpy((uchar *)s, buf, 16);
+ s += 16 / 2;
+#endif
+
+#ifdef CONFIG_CDP_PORT_ID
+ *s++ = htons(CDP_PORT_ID_TLV);
+ memset(buf, 0, sizeof(buf));
+ sprintf(buf, CONFIG_CDP_PORT_ID, eth_get_dev_index());
+ len = strlen(buf);
+ if (len & 1) /* make it even */
+ len++;
+ *s++ = htons(len + 4);
+ memcpy((uchar *)s, buf, len);
+ s += len / 2;
+#endif
+
+#ifdef CONFIG_CDP_CAPABILITIES
+ *s++ = htons(CDP_CAPABILITIES_TLV);
+ *s++ = htons(8);
+ *(ulong *)s = htonl(CONFIG_CDP_CAPABILITIES);
+ s += 2;
+#endif
+
+#ifdef CONFIG_CDP_VERSION
+ *s++ = htons(CDP_VERSION_TLV);
+ memset(buf, 0, sizeof(buf));
+ strcpy(buf, CONFIG_CDP_VERSION);
+ len = strlen(buf);
+ if (len & 1) /* make it even */
+ len++;
+ *s++ = htons(len + 4);
+ memcpy((uchar *)s, buf, len);
+ s += len / 2;
+#endif
+
+#ifdef CONFIG_CDP_PLATFORM
+ *s++ = htons(CDP_PLATFORM_TLV);
+ memset(buf, 0, sizeof(buf));
+ strcpy(buf, CONFIG_CDP_PLATFORM);
+ len = strlen(buf);
+ if (len & 1) /* make it even */
+ len++;
+ *s++ = htons(len + 4);
+ memcpy((uchar *)s, buf, len);
+ s += len / 2;
+#endif
+
+#ifdef CONFIG_CDP_TRIGGER
+ *s++ = htons(CDP_TRIGGER_TLV);
+ *s++ = htons(8);
+ *(ulong *)s = htonl(CONFIG_CDP_TRIGGER);
+ s += 2;
+#endif
+
+#ifdef CONFIG_CDP_POWER_CONSUMPTION
+ *s++ = htons(CDP_POWER_CONSUMPTION_TLV);
+ *s++ = htons(6);
+ *s++ = htons(CONFIG_CDP_POWER_CONSUMPTION);
+#endif
+
+ /* length of ethernet packet */
+ len = (uchar *)s - ((uchar *)NetTxPacket + ETHER_HDR_SIZE);
+ et->et_protlen = htons(len);
+
+ len = ETHER_HDR_SIZE + sizeof(CDP_SNAP_hdr);
+ chksum = CDP_compute_csum((uchar *)NetTxPacket + len, (uchar *)s - (NetTxPacket + len));
+ if (chksum == 0)
+ chksum = 0xFFFF;
+ *cp = htons(chksum);
+
+ (void) eth_send(NetTxPacket, (uchar *)s - NetTxPacket);
+ return 0;
+}
+
+static void
+CDPTimeout (void)
+{
+ CDPSeq++;
+
+ if (CDPSeq < 3) {
+ NetSetTimeout (CDP_TIMEOUT, CDPTimeout);
+ CDPSendTrigger();
+ return;
+ }
+
+ /* if not OK try again */
+ if (!CDPOK)
+ NetStartAgain();
+ else
+ NetState = NETLOOP_SUCCESS;
+}
+
+static void
+CDPDummyHandler (uchar * pkt, unsigned dest, unsigned src, unsigned len)
+{
+ /* nothing */
+}
+
+static void
+CDPHandler(const uchar * pkt, unsigned len)
+{
+ const uchar *t;
+ const ushort *ss;
+ ushort type, tlen;
+ uchar applid;
+ ushort vlan, nvlan;
+
+ /* minimum size? */
+ if (len < sizeof(CDP_SNAP_hdr) + 4)
+ goto pkt_short;
+
+ /* check for valid CDP SNAP header */
+ if (memcmp(pkt, CDP_SNAP_hdr, sizeof(CDP_SNAP_hdr)) != 0)
+ return;
+
+ pkt += sizeof(CDP_SNAP_hdr);
+ len -= sizeof(CDP_SNAP_hdr);
+
+ /* Version of CDP protocol must be >= 2 and TTL != 0 */
+ if (pkt[0] < 0x02 || pkt[1] == 0)
+ return;
+
+ /* if version is greater than 0x02 maybe we'll have a problem; output a warning */
+ if (pkt[0] != 0x02)
+ printf("** WARNING: CDP packet received with a protocol version %d > 2\n",
+ pkt[0] & 0xff);
+
+ if (CDP_compute_csum(pkt, len) != 0)
+ return;
+
+ pkt += 4;
+ len -= 4;
+
+ vlan = htons(-1);
+ nvlan = htons(-1);
+ while (len > 0) {
+ if (len < 4)
+ goto pkt_short;
+
+ ss = (const ushort *)pkt;
+ type = ntohs(ss[0]);
+ tlen = ntohs(ss[1]);
+ if (tlen > len) {
+ goto pkt_short;
+ }
+
+ pkt += tlen;
+ len -= tlen;
+
+ ss += 2; /* point ss to the data of the TLV */
+ tlen -= 4;
+
+ switch (type) {
+ case CDP_DEVICE_ID_TLV:
+ break;
+ case CDP_ADDRESS_TLV:
+ break;
+ case CDP_PORT_ID_TLV:
+ break;
+ case CDP_CAPABILITIES_TLV:
+ break;
+ case CDP_VERSION_TLV:
+ break;
+ case CDP_PLATFORM_TLV:
+ break;
+ case CDP_NATIVE_VLAN_TLV:
+ nvlan = *ss;
+ break;
+ case CDP_APPLIANCE_VLAN_TLV:
+ t = (const uchar *)ss;
+ while (tlen > 0) {
+ if (tlen < 3)
+ goto pkt_short;
+
+ applid = t[0];
+ ss = (const ushort *)(t + 1);
+
+#ifdef CONFIG_CDP_APPLIANCE_VLAN_TYPE
+ if (applid == CONFIG_CDP_APPLIANCE_VLAN_TYPE)
+ vlan = *ss;
+#else
+ vlan = ntohs(*ss); /* XXX will this work; dunno */
+#endif
+ t += 3; tlen -= 3;
+ }
+ break;
+ case CDP_TRIGGER_TLV:
+ break;
+ case CDP_POWER_CONSUMPTION_TLV:
+ break;
+ case CDP_SYSNAME_TLV:
+ break;
+ case CDP_SYSOBJECT_TLV:
+ break;
+ case CDP_MANAGEMENT_ADDRESS_TLV:
+ break;
+ }
+ }
+
+ CDPApplianceVLAN = vlan;
+ CDPNativeVLAN = nvlan;
+
+ CDPOK = 1;
+ return;
+
+ pkt_short:
+ printf("** CDP packet is too short\n");
+ return;
+}
+static void CDPStart(void)
+{
+#if defined(CONFIG_NET_MULTI)
+ printf ("Using %s device\n", eth_get_name());
#endif
+ CDPSeq = 0;
+ CDPOK = 0;
+
+ CDPNativeVLAN = htons(-1);
+ CDPApplianceVLAN = htons(-1);
+
+ NetSetTimeout (CDP_TIMEOUT, CDPTimeout);
+ NetSetHandler (CDPDummyHandler);
+
+ CDPSendTrigger();
+}
+#endif
+
void
-NetReceive(volatile uchar * pkt, int len)
+NetReceive(volatile uchar * inpkt, int len)
{
Ethernet_t *et;
IP_t *ip;
ARP_t *arp;
IPaddr_t tmp;
int x;
+ uchar *pkt;
+#if defined(CONFIG_CMD_CDP)
+ int iscdp;
+#endif
+ ushort cti = 0, vlanid = VLAN_NONE, myvlanid, mynvlanid;
- NetRxPkt = pkt;
+#ifdef ET_DEBUG
+ printf("packet received\n");
+#endif
+
+ NetRxPkt = inpkt;
NetRxPktLen = len;
- et = (Ethernet_t *)pkt;
+ et = (Ethernet_t *)inpkt;
+
+ /* too small packet? */
+ if (len < ETHER_HDR_SIZE)
+ return;
+
+#if defined(CONFIG_CMD_CDP)
+ /* keep track if packet is CDP */
+ iscdp = memcmp(et->et_dest, NetCDPAddr, 6) == 0;
+#endif
+
+ myvlanid = ntohs(NetOurVLAN);
+ if (myvlanid == (ushort)-1)
+ myvlanid = VLAN_NONE;
+ mynvlanid = ntohs(NetOurNativeVLAN);
+ if (mynvlanid == (ushort)-1)
+ mynvlanid = VLAN_NONE;
x = ntohs(et->et_protlen);
+#ifdef ET_DEBUG
+ printf("packet received\n");
+#endif
+
if (x < 1514) {
/*
* Got a 802 packet. Check the other protocol field.
*/
x = ntohs(et->et_prot);
- ip = (IP_t *)(pkt + E802_HDR_SIZE);
+
+ ip = (IP_t *)(inpkt + E802_HDR_SIZE);
len -= E802_HDR_SIZE;
- } else {
- ip = (IP_t *)(pkt + ETHER_HDR_SIZE);
+
+ } else if (x != PROT_VLAN) { /* normal packet */
+ ip = (IP_t *)(inpkt + ETHER_HDR_SIZE);
len -= ETHER_HDR_SIZE;
+
+ } else { /* VLAN packet */
+ VLAN_Ethernet_t *vet = (VLAN_Ethernet_t *)et;
+
+#ifdef ET_DEBUG
+ printf("VLAN packet received\n");
+#endif
+ /* too small packet? */
+ if (len < VLAN_ETHER_HDR_SIZE)
+ return;
+
+ /* if no VLAN active */
+ if ((ntohs(NetOurVLAN) & VLAN_IDMASK) == VLAN_NONE
+#if defined(CONFIG_CMD_CDP)
+ && iscdp == 0
+#endif
+ )
+ return;
+
+ cti = ntohs(vet->vet_tag);
+ vlanid = cti & VLAN_IDMASK;
+ x = ntohs(vet->vet_type);
+
+ ip = (IP_t *)(inpkt + VLAN_ETHER_HDR_SIZE);
+ len -= VLAN_ETHER_HDR_SIZE;
}
#ifdef ET_DEBUG
printf("Receive from protocol 0x%x\n", x);
#endif
+#if defined(CONFIG_CMD_CDP)
+ if (iscdp) {
+ CDPHandler((uchar *)ip, len);
+ return;
+ }
+#endif
+
+ if ((myvlanid & VLAN_IDMASK) != VLAN_NONE) {
+ if (vlanid == VLAN_NONE)
+ vlanid = (mynvlanid & VLAN_IDMASK);
+ /* not matched? */
+ if (vlanid != (myvlanid & VLAN_IDMASK))
+ return;
+ }
+
switch (x) {
case PROT_ARP:
* the server ethernet address
*/
#ifdef ET_DEBUG
- printf("Got ARP\n");
+ puts ("Got ARP\n");
#endif
arp = (ARP_t *)ip;
if (len < ARP_HDR_SIZE) {
switch (ntohs(arp->ar_op)) {
case ARPOP_REQUEST: /* reply with our IP address */
#ifdef ET_DEBUG
- printf("Got ARP REQUEST, return our IP\n");
+ puts ("Got ARP REQUEST, return our IP\n");
#endif
- NetSetEther((uchar *)et, et->et_src, PROT_ARP);
+ pkt = (uchar *)et;
+ pkt += NetSetEther(pkt, et->et_src, PROT_ARP);
arp->ar_op = htons(ARPOP_REPLY);
memcpy (&arp->ar_data[10], &arp->ar_data[0], 6);
NetCopyIP(&arp->ar_data[16], &arp->ar_data[6]);
memcpy (&arp->ar_data[ 0], NetOurEther, 6);
NetCopyIP(&arp->ar_data[ 6], &NetOurIP);
- (void) eth_send((uchar *)et, ((uchar *)arp-pkt) + ARP_HDR_SIZE);
+ (void) eth_send((uchar *)et, (pkt - (uchar *)et) + ARP_HDR_SIZE);
return;
case ARPOP_REPLY: /* arp reply */
/* matched waiting packet's address */
if (tmp == NetArpWaitReplyIP) {
#ifdef ET_DEBUG
- printf("Got it\n");
+ puts ("Got it\n");
#endif
/* save address for later use */
memcpy(NetArpWaitPacketMAC, &arp->ar_data[0], 6);
+#ifdef CONFIG_NETCONSOLE
+ (*packetHandler)(0,0,0,0);
+#endif
/* modify header, and transmit it */
memcpy(((Ethernet_t *)NetArpWaitTxPacket)->et_dest, NetArpWaitPacketMAC, 6);
(void) eth_send(NetArpWaitTxPacket, NetArpWaitTxPacketSize);
#endif
return;
}
+ break;
case PROT_RARP:
#ifdef ET_DEBUG
- printf("Got RARP\n");
+ puts ("Got RARP\n");
#endif
arp = (ARP_t *)ip;
if (len < ARP_HDR_SIZE) {
(ntohs(arp->ar_pro) != PROT_IP) ||
(arp->ar_hln != 6) || (arp->ar_pln != 4)) {
- printf("invalid RARP header\n");
+ puts ("invalid RARP header\n");
} else {
NetCopyIP(&NetOurIP, &arp->ar_data[16]);
- NetCopyIP(&NetServerIP, &arp->ar_data[ 6]);
+ if (NetServerIP == 0)
+ NetCopyIP(&NetServerIP, &arp->ar_data[ 6]);
memcpy (NetServerEther, &arp->ar_data[ 0], 6);
(*packetHandler)(0,0,0,0);
case PROT_IP:
#ifdef ET_DEBUG
- printf("Got IP\n");
+ puts ("Got IP\n");
#endif
if (len < IP_HDR_SIZE) {
debug ("len bad %d < %d\n", len, IP_HDR_SIZE);
return;
}
if (!NetCksumOk((uchar *)ip, IP_HDR_SIZE_NO_UDP / 2)) {
- printf("checksum bad\n");
+ puts ("checksum bad\n");
return;
}
tmp = NetReadIP(&ip->ip_dst);
if (NetOurIP && tmp != NetOurIP && tmp != 0xFFFFFFFF) {
+#ifdef CONFIG_MCAST_TFTP
+ if (Mcast_addr != tmp)
+#endif
return;
}
/*
switch (icmph->type) {
case ICMP_REDIRECT:
- if (icmph->code != ICMP_REDIR_HOST)
+ if (icmph->code != ICMP_REDIR_HOST)
+ return;
+ puts (" ICMP Host Redirect to ");
+ print_IPaddr(icmph->un.gateway);
+ putc(' ');
return;
- puts (" ICMP Host Redirect to ");
- print_IPaddr(icmph->un.gateway);
- putc(' ');
- break;
-#if (CONFIG_COMMANDS & CFG_CMD_PING)
+#if defined(CONFIG_CMD_PING)
case ICMP_ECHO_REPLY:
/*
* IP header OK. Pass the packet to the current handler.
*/
/* XXX point to ip packet */
(*packetHandler)((uchar *)ip, 0, 0, 0);
- break;
+ return;
+ case ICMP_ECHO_REQUEST:
+#ifdef ET_DEBUG
+ printf ("Got ICMP ECHO REQUEST, return %d bytes \n",
+ ETHER_HDR_SIZE + len);
+#endif
+ memcpy (&et->et_dest[0], &et->et_src[0], 6);
+ memcpy (&et->et_src[ 0], NetOurEther, 6);
+
+ ip->ip_sum = 0;
+ ip->ip_off = 0;
+ NetCopyIP((void*)&ip->ip_dst, &ip->ip_src);
+ NetCopyIP((void*)&ip->ip_src, &NetOurIP);
+ ip->ip_sum = ~NetCksum((uchar *)ip, IP_HDR_SIZE_NO_UDP >> 1);
+
+ icmph->type = ICMP_ECHO_REPLY;
+ icmph->checksum = 0;
+ icmph->checksum = ~NetCksum((uchar *)icmph,
+ (len - IP_HDR_SIZE_NO_UDP) >> 1);
+ (void) eth_send((uchar *)et, ETHER_HDR_SIZE + len);
+ return;
#endif
default:
return;
return;
}
+#ifdef CONFIG_UDP_CHECKSUM
+ if (ip->udp_xsum != 0) {
+ ulong xsum;
+ ushort *sumptr;
+ ushort sumlen;
+
+ xsum = ip->ip_p;
+ xsum += (ntohs(ip->udp_len));
+ xsum += (ntohl(ip->ip_src) >> 16) & 0x0000ffff;
+ xsum += (ntohl(ip->ip_src) >> 0) & 0x0000ffff;
+ xsum += (ntohl(ip->ip_dst) >> 16) & 0x0000ffff;
+ xsum += (ntohl(ip->ip_dst) >> 0) & 0x0000ffff;
+
+ sumlen = ntohs(ip->udp_len);
+ sumptr = (ushort *) &(ip->udp_src);
+
+ while (sumlen > 1) {
+ ushort sumdata;
+
+ sumdata = *sumptr++;
+ xsum += ntohs(sumdata);
+ sumlen -= 2;
+ }
+ if (sumlen > 0) {
+ ushort sumdata;
+
+ sumdata = *(unsigned char *) sumptr;
+ sumdata = (sumdata << 8) & 0xff00;
+ xsum += sumdata;
+ }
+ while ((xsum >> 16) != 0) {
+ xsum = (xsum & 0x0000ffff) + ((xsum >> 16) & 0x0000ffff);
+ }
+ if ((xsum != 0x00000000) && (xsum != 0x0000ffff)) {
+ printf(" UDP wrong checksum %08x %08x\n", xsum, ntohs(ip->udp_xsum));
+ return;
+ }
+ }
+#endif
+
+
+#ifdef CONFIG_NETCONSOLE
+ nc_input_packet((uchar *)ip +IP_HDR_SIZE,
+ ntohs(ip->udp_dst),
+ ntohs(ip->udp_src),
+ ntohs(ip->udp_len) - 8);
+#endif
/*
* IP header OK. Pass the packet to the current handler.
*/
ntohs(ip->udp_dst),
ntohs(ip->udp_src),
ntohs(ip->udp_len) - 8);
-
break;
}
}
static int net_check_prereq (proto_t protocol)
{
switch (protocol) {
- /* Fall through */
-#if (CONFIG_COMMANDS & CFG_CMD_PING)
+ /* Fall through */
+#if defined(CONFIG_CMD_PING)
case PING:
- if (NetPingIP == 0) {
- puts ("*** ERROR: ping address not given\n");
- return (1);
- }
- goto common;
+ if (NetPingIP == 0) {
+ puts ("*** ERROR: ping address not given\n");
+ return (1);
+ }
+ goto common;
+#endif
+#if defined(CONFIG_CMD_SNTP)
+ case SNTP:
+ if (NetNtpServerIP == 0) {
+ puts ("*** ERROR: NTP server address not given\n");
+ return (1);
+ }
+ goto common;
+#endif
+#if defined(CONFIG_CMD_NFS)
+ case NFS:
#endif
+ case NETCONS:
case TFTP:
- if (NetServerIP == 0) {
- puts ("*** ERROR: `serverip' not set\n");
- return (1);
- }
-
-#if (CONFIG_COMMANDS & CFG_CMD_PING)
- common:
+ if (NetServerIP == 0) {
+ puts ("*** ERROR: `serverip' not set\n");
+ return (1);
+ }
+#if defined(CONFIG_CMD_PING) || defined(CONFIG_CMD_SNTP)
+ common:
#endif
- if (NetOurIP == 0) {
- puts ("*** ERROR: `ipaddr' not set\n");
- return (1);
- }
- /* Fall through */
+ if (NetOurIP == 0) {
+ puts ("*** ERROR: `ipaddr' not set\n");
+ return (1);
+ }
+ /* Fall through */
case DHCP:
case RARP:
case BOOTP:
- if (memcmp(NetOurEther, "\0\0\0\0\0\0", 6) == 0) {
+ case CDP:
+ if (memcmp (NetOurEther, "\0\0\0\0\0\0", 6) == 0) {
#ifdef CONFIG_NET_MULTI
- extern int eth_get_dev_index (void);
- int num = eth_get_dev_index();
+ extern int eth_get_dev_index (void);
+ int num = eth_get_dev_index ();
- switch (num) {
- case -1:
+ switch (num) {
+ case -1:
puts ("*** ERROR: No ethernet found.\n");
return (1);
- case 0:
+ case 0:
puts ("*** ERROR: `ethaddr' not set\n");
break;
- default:
+ default:
printf ("*** ERROR: `eth%daddr' not set\n",
num);
break;
- }
+ }
- NetStartAgain ();
- return (2);
+ NetStartAgain ();
+ return (2);
#else
- puts ("*** ERROR: `ethaddr' not set\n");
- return (1);
+ puts ("*** ERROR: `ethaddr' not set\n");
+ return (1);
#endif
- }
- /* Fall through */
- default:
- return(0);
+ }
+ /* Fall through */
+ default:
+ return (0);
}
- return (0); /* OK */
+ return (0); /* OK */
}
/**********************************************************************/
NetCksum(uchar * ptr, int len)
{
ulong xsum;
+ ushort *p = (ushort *)ptr;
xsum = 0;
while (len-- > 0)
- xsum += *((ushort *)ptr)++;
+ xsum += *p++;
xsum = (xsum & 0xffff) + (xsum >> 16);
xsum = (xsum & 0xffff) + (xsum >> 16);
return (xsum & 0xffff);
}
+int
+NetEthHdrSize(void)
+{
+ ushort myvlanid;
-void
+ myvlanid = ntohs(NetOurVLAN);
+ if (myvlanid == (ushort)-1)
+ myvlanid = VLAN_NONE;
+
+ return ((myvlanid & VLAN_IDMASK) == VLAN_NONE) ? ETHER_HDR_SIZE : VLAN_ETHER_HDR_SIZE;
+}
+
+int
NetSetEther(volatile uchar * xet, uchar * addr, uint prot)
{
Ethernet_t *et = (Ethernet_t *)xet;
+ ushort myvlanid;
+
+ myvlanid = ntohs(NetOurVLAN);
+ if (myvlanid == (ushort)-1)
+ myvlanid = VLAN_NONE;
memcpy (et->et_dest, addr, 6);
memcpy (et->et_src, NetOurEther, 6);
+ if ((myvlanid & VLAN_IDMASK) == VLAN_NONE) {
et->et_protlen = htons(prot);
-}
+ return ETHER_HDR_SIZE;
+ } else {
+ VLAN_Ethernet_t *vet = (VLAN_Ethernet_t *)xet;
+ vet->vet_vlan_type = htons(PROT_VLAN);
+ vet->vet_tag = htons((0 << 5) | (myvlanid & VLAN_IDMASK));
+ vet->vet_type = htons(prot);
+ return VLAN_ETHER_HDR_SIZE;
+ }
+}
void
NetSetIP(volatile uchar * xip, IPaddr_t dest, int dport, int sport, int len)
/*
* Construct an IP and UDP header.
- (need to set no fragment bit - XXX)
+ * (need to set no fragment bit - XXX)
*/
ip->ip_hl_v = 0x45; /* IP_HDR_SIZE / 4 (not including UDP) */
ip->ip_tos = 0;
ip->ip_sum = ~NetCksum((uchar *)ip, IP_HDR_SIZE_NO_UDP / 2);
}
-void copy_filename (uchar *dst, uchar *src, int size)
+void copy_filename (char *dst, char *src, int size)
{
if (*src && (*src == '"')) {
++src;
*dst = '\0';
}
-#endif /* CFG_CMD_NET */
+#endif
void ip_to_string (IPaddr_t x, char *s)
{
- x = ntohl(x);
- sprintf (s,"%d.%d.%d.%d",
- (int)((x >> 24) & 0xff),
- (int)((x >> 16) & 0xff),
- (int)((x >> 8) & 0xff),
- (int)((x >> 0) & 0xff)
- );
+ x = ntohl (x);
+ sprintf (s, "%d.%d.%d.%d",
+ (int) ((x >> 24) & 0xff),
+ (int) ((x >> 16) & 0xff),
+ (int) ((x >> 8) & 0xff), (int) ((x >> 0) & 0xff)
+ );
}
IPaddr_t string_to_ip(char *s)
return (htonl(addr));
}
+void VLAN_to_string(ushort x, char *s)
+{
+ x = ntohs(x);
+
+ if (x == (ushort)-1)
+ x = VLAN_NONE;
+
+ if (x == VLAN_NONE)
+ strcpy(s, "none");
+ else
+ sprintf(s, "%d", x & VLAN_IDMASK);
+}
+
+ushort string_to_VLAN(char *s)
+{
+ ushort id;
+
+ if (s == NULL)
+ return htons(VLAN_NONE);
+
+ if (*s < '0' || *s > '9')
+ id = VLAN_NONE;
+ else
+ id = (ushort)simple_strtoul(s, NULL, 10);
+
+ return htons(id);
+}
+
void print_IPaddr (IPaddr_t x)
{
- char tmp[16];
+ char tmp[16];
- ip_to_string(x, tmp);
+ ip_to_string (x, tmp);
- puts(tmp);
+ puts (tmp);
}
IPaddr_t getenv_IPaddr (char *var)
{
return (string_to_ip(getenv(var)));
}
+
+ushort getenv_VLAN(char *var)
+{
+ return (string_to_VLAN(getenv(var)));
+}
projects / karo-tx-uboot.git / blobdiff