* 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
*/
#include "bootp.h"
#include "tftp.h"
#include "rarp.h"
-#include "arp.h"
+#include "nfs.h"
+#ifdef CONFIG_STATUS_LED
+#include <status_led.h>
+#include <miiphy.h>
+#endif
#if (CONFIG_COMMANDS & CFG_CMD_NET)
+#define ARP_TIMEOUT 5 /* Seconds before trying ARP again */
+#ifndef CONFIG_NET_RETRY_COUNT
+# define ARP_TIMEOUT_COUNT 5 /* # of timeouts before giving up */
+#else
+# define ARP_TIMEOUT_COUNT (CONFIG_NET_RETRY_COUNT)
+#endif
+
#if 0
#define ET_DEBUG
#endif
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)
+IPaddr_t NetOurDNS2IP=0; /* Our 2nd DNS IP address */
+#endif
char NetOurNISDomain[32]={0,}; /* Our NIS domain */
char NetOurHostName[32]={0,}; /* Our hostname */
char NetOurRootPath[64]={0,}; /* Our bootpath */
ulong NetBootFileXferSize; /* The actual transferred size of the bootfile (in bytes) */
uchar NetOurEther[6]; /* Our ethernet address */
uchar NetServerEther[6] = /* Boot server enet address */
- { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
+ { 0, 0, 0, 0, 0, 0 };
IPaddr_t NetOurIP; /* Our IP addr (0 = unknown) */
IPaddr_t NetServerIP; /* Our IP addr (0 = unknown) */
volatile uchar *NetRxPkt; /* Current receive packet */
unsigned NetIPID; /* IP packet ID */
uchar NetBcastAddr[6] = /* Ethernet bcast address */
{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
+uchar NetEtherNullAddr[6] =
+ { 0, 0, 0, 0, 0, 0 };
+#if (CONFIG_COMMANDS & CFG_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)
+IPaddr_t NetPingIP; /* the ip address to ping */
+
+static void PingStart(void);
+#endif
+
+#if (CONFIG_COMMANDS & CFG_CMD_CDP)
+static void CDPStart(void);
+#endif
+
volatile uchar PktBuf[(PKTBUFSRX+1) * PKTSIZE_ALIGN + PKTALIGN];
volatile uchar *NetRxPackets[PKTBUFSRX]; /* Receive packets */
static rxhand_f *packetHandler; /* Current RX packet handler */
static thand_f *timeHandler; /* Current timeout handler */
-static ulong timeValue; /* Current timeout value */
+static ulong timeStart; /* Time base value */
+static ulong timeDelta; /* Current timeout value */
volatile uchar *NetTxPacket = 0; /* THE transmit packet */
static int net_check_prereq (proto_t protocol);
+/**********************************************************************/
+
+IPaddr_t NetArpWaitPacketIP;
+IPaddr_t NetArpWaitReplyIP;
+uchar *NetArpWaitPacketMAC; /* MAC address of waiting packet's destination */
+uchar *NetArpWaitTxPacket; /* THE transmit packet */
+int NetArpWaitTxPacketSize;
+uchar NetArpWaitPacketBuf[PKTSIZE_ALIGN + PKTALIGN];
+ulong NetArpWaitTimerStart;
+int NetArpWaitTry;
+
+void ArpRequest (void)
+{
+ int i;
+ volatile uchar *pkt;
+ ARP_t *arp;
+
+#ifdef ET_DEBUG
+ printf ("ARP broadcast %d\n", NetArpWaitTry);
+#endif
+ pkt = NetTxPacket;
+
+ pkt += NetSetEther (pkt, NetBcastAddr, PROT_ARP);
+
+ arp = (ARP_t *) pkt;
+
+ 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);
+
+ 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;
+ }
+
+ NetWriteIP ((uchar *) & arp->ar_data[16], NetArpWaitReplyIP);
+ (void) eth_send (NetTxPacket, (pkt - NetTxPacket) + ARP_HDR_SIZE);
+}
+
+void ArpTimeoutCheck(void)
+{
+ ulong t;
+
+ if (!NetArpWaitPacketIP)
+ return;
+
+ t = get_timer(0);
+
+ /* check for arp timeout */
+ if ((t - NetArpWaitTimerStart) > ARP_TIMEOUT * CFG_HZ) {
+ NetArpWaitTry++;
+
+ if (NetArpWaitTry >= ARP_TIMEOUT_COUNT) {
+ puts ("\nARP Retry count exceeded; starting again\n");
+ NetArpWaitTry = 0;
+ NetStartAgain();
+ } else {
+ NetArpWaitTimerStart = t;
+ ArpRequest();
+ }
+ }
+}
+
/**********************************************************************/
/*
* Main network processing loop.
NetDevExists = 0;
#endif
+ /* XXX problem with bss workaround */
+ NetArpWaitPacketMAC = NULL;
+ NetArpWaitTxPacket = NULL;
+ NetArpWaitPacketIP = 0;
+ NetArpWaitReplyIP = 0;
+ NetArpWaitTxPacket = NULL;
+ NetTxPacket = NULL;
+
if (!NetTxPacket) {
int i;
-
/*
* Setup packet buffers, aligned correctly.
*/
}
}
+ if (!NetArpWaitTxPacket) {
+ NetArpWaitTxPacket = &NetArpWaitPacketBuf[0] + (PKTALIGN - 1);
+ NetArpWaitTxPacket -= (ulong)NetArpWaitTxPacket % PKTALIGN;
+ NetArpWaitTxPacketSize = 0;
+ }
+
eth_halt();
- eth_init(bd);
+#ifdef CONFIG_NET_MULTI
+ eth_set_current();
+#endif
+ if (eth_init(bd) < 0)
+ return(-1);
restart:
#ifdef CONFIG_NET_MULTI
*/
switch (protocol) {
+#if (CONFIG_COMMANDS & CFG_CMD_NFS)
+ case NFS:
+#endif
+#if (CONFIG_COMMANDS & CFG_CMD_PING)
+ case PING:
+#endif
case TFTP:
NetCopyIP(&NetOurIP, &bd->bi_ip_addr);
- NetServerIP = getenv_IPaddr ("serverip");
NetOurGatewayIP = getenv_IPaddr ("gatewayip");
NetOurSubnetMask= getenv_IPaddr ("netmask");
+ NetOurVLAN = getenv_VLAN("vlan");
+ NetOurNativeVLAN = getenv_VLAN("nvlan");
+
+ switch (protocol) {
+#if (CONFIG_COMMANDS & CFG_CMD_NFS)
+ case NFS:
+#endif
+ case TFTP:
+ NetServerIP = getenv_IPaddr ("serverip");
+ break;
+#if (CONFIG_COMMANDS & CFG_CMD_PING)
+ case PING:
+ /* nothing */
+ break;
+#endif
+ default:
+ break;
+ }
+
break;
case BOOTP:
case RARP:
/*
- * initialize our IP addr to 0 in order to accept ANY
- * IP addr assigned to us by the BOOTP / RARP server
+ * initialize our IP addr to 0 in order to accept ANY
+ * 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 (protocol) {
case TFTP:
/* always use ARP to get server ethernet address */
- ArpTry = 0;
- ArpRequest ();
+ TftpStart();
break;
#if (CONFIG_COMMANDS & CFG_CMD_DHCP)
case DHCP:
/* Start with a clean slate... */
NetOurIP = 0;
- NetServerIP = 0;
+ NetServerIP = getenv_IPaddr ("serverip");
DhcpRequest(); /* Basically same as BOOTP */
break;
#endif /* CFG_CMD_DHCP */
RarpTry = 0;
RarpRequest ();
break;
+#if (CONFIG_COMMANDS & CFG_CMD_PING)
+ case PING:
+ PingStart();
+ break;
+#endif
+#if (CONFIG_COMMANDS & CFG_CMD_NFS)
+ case NFS:
+ NfsStart();
+ break;
+#endif
+#if (CONFIG_COMMANDS & CFG_CMD_CDP)
+ case CDP:
+ CDPStart();
+ break;
+#endif
default:
break;
}
break;
}
+#if defined(CONFIG_MII) || (CONFIG_COMMANDS & CFG_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)) {
+ 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 /* CONFIG_MII, ... */
/*
* Main packet reception loop. Loop receiving packets until
* Abort if ctrl-c was pressed.
*/
if (ctrlc()) {
- eth_halt();
- printf("\nAbort\n");
+ eth_halt();
+ puts ("\nAbort\n");
return (-1);
}
+ ArpTimeoutCheck();
/*
* Check for a timeout, and run the timeout handler
* if we have one.
*/
- if (timeHandler && (get_timer(0) > timeValue)) {
+ 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)
+ /*
+ * Echo the inverted link state to the fault LED.
+ */
+ if(miiphy_link(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 /* CONFIG_MII, ... */
x = timeHandler;
timeHandler = (thand_f *)0;
(*x)();
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
+#ifdef CONFIG_NET_MULTI
DECLARE_GLOBAL_DATA_PTR;
+#endif
+ 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 */
}
/**********************************************************************/
timeHandler = (thand_f *)0;
} else {
timeHandler = f;
- timeValue = get_timer(0) + iv;
+ timeStart = get_timer(0);
+ timeDelta = iv;
}
}
(void) eth_send(pkt, len);
}
+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;
+
+ /* if broadcast, make the ether address a broadcast and don't do ARP */
+ if (dest == 0xFFFFFFFF)
+ ether = NetBcastAddr;
+
+ /* if MAC address was not discovered yet, save the packet and do an ARP request */
+ if (memcmp(ether, NetEtherNullAddr, 6) == 0) {
+
+#ifdef ET_DEBUG
+ printf("sending ARP for %08lx\n", dest);
+#endif
+ NetArpWaitPacketIP = dest;
+ NetArpWaitPacketMAC = ether;
+
+ 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 = (pkt - NetArpWaitTxPacket) + IP_HDR_SIZE + len;
+
+ /* and do the ARP request */
+ NetArpWaitTry = 1;
+ NetArpWaitTimerStart = get_timer(0);
+ ArpRequest();
+ return 1; /* waiting */
+ }
+
+#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]);
+#endif
+
+ 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; /* transmitted */
+}
+
+#if (CONFIG_COMMANDS & CFG_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 */
+
+ memcpy(mac, NetEtherNullAddr, 6);
+
+#ifdef ET_DEBUG
+ printf("sending ARP for %08lx\n", NetPingIP);
+#endif
+
+ NetArpWaitPacketIP = NetPingIP;
+ NetArpWaitPacketMAC = mac;
+
+ pkt = NetArpWaitTxPacket;
+ pkt += NetSetEther(pkt, mac, PROT_IP);
+
+ ip = (volatile IP_t *)pkt;
+
+ /*
+ * Construct an IP and ICMP header. (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_len = htons(IP_HDR_SIZE_NO_UDP + 8);
+ ip->ip_id = htons(NetIPID++);
+ ip->ip_off = htons(0x4000); /* No fragmentation */
+ ip->ip_ttl = 255;
+ ip->ip_p = 0x01; /* ICMP */
+ ip->ip_sum = 0;
+ NetCopyIP((void*)&ip->ip_src, &NetOurIP); /* already in network byte order */
+ NetCopyIP((void*)&ip->ip_dst, &NetPingIP); /* - "" - */
+ ip->ip_sum = ~NetCksum((uchar *)ip, IP_HDR_SIZE_NO_UDP / 2);
+
+ s = &ip->udp_src; /* XXX ICMP starts here */
+ s[0] = htons(0x0800); /* echo-request, code */
+ s[1] = 0; /* checksum */
+ s[2] = 0; /* identifier */
+ s[3] = htons(PingSeqNo++); /* sequence number */
+ s[1] = ~NetCksum((uchar *)s, 8/2);
+
+ /* size of the waiting packet */
+ NetArpWaitTxPacketSize = (pkt - NetArpWaitTxPacket) + IP_HDR_SIZE_NO_UDP + 8;
+
+ /* and do the ARP request */
+ NetArpWaitTry = 1;
+ NetArpWaitTimerStart = get_timer(0);
+ ArpRequest();
+ return 1; /* waiting */
+}
+
+static void
+PingTimeout (void)
+{
+ eth_halt();
+ NetState = NETLOOP_FAIL; /* we did not get the reply */
+}
+
+static void
+PingHandler (uchar * pkt, unsigned dest, unsigned src, unsigned len)
+{
+ IPaddr_t tmp;
+ volatile IP_t *ip = (volatile IP_t *)pkt;
+
+ tmp = NetReadIP((void *)&ip->ip_src);
+ if (tmp != NetPingIP)
+ return;
+
+ NetState = NETLOOP_SUCCESS;
+}
+
+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 /* CFG_CMD_PING */
+
+#if (CONFIG_COMMANDS & CFG_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;
+
+ if (len > 0) {
+ odd = 1 & (ulong)buff;
+ if (odd) {
+ result = *buff << 8;
+ len--;
+ buff++;
+ }
+ while (len > 1) {
+ result += *((const ushort *)buff)++;
+ if (result & 0x80000000)
+ result = (result & 0xFFFF) + (result >> 16);
+ len -= 2;
+ }
+ if (len) {
+ leftover = (signed short)(*(const signed char *)buff);
+ /* * XXX CISCO SUCKS big time! (and blows too) */
+ 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 /* CFG_CMD_CDP */
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 (CONFIG_COMMANDS & CFG_CMD_CDP)
+ int iscdp;
+#endif
+ ushort cti = 0, vlanid = VLAN_NONE, myvlanid, mynvlanid;
+#ifdef ET_DEBUG
+ printf("packet received\n");
+#endif
- NetRxPkt = pkt;
+ NetRxPkt = inpkt;
NetRxPktLen = len;
- et = (Ethernet_t *)pkt;
+ et = (Ethernet_t *)inpkt;
+
+ /* too small packet? */
+ if (len < ETHER_HDR_SIZE)
+ return;
+
+#if (CONFIG_COMMANDS & CFG_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 (CONFIG_COMMANDS & CFG_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 (CONFIG_COMMANDS & CFG_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:
/*
* We have to deal with two types of ARP packets:
- * - REQUEST packets will be answered by sending our
- * IP address - if we know it.
- * - REPLY packates are expected only after we asked
- * for the TFTP server's or the gateway's ethernet
- * address; so if we receive such a packet, we set
- * the server ethernet address
+ * - REQUEST packets will be answered by sending our
+ * IP address - if we know it.
+ * - REPLY packates are expected only after we asked
+ * for the TFTP server's or the gateway's ethernet
+ * address; so if we receive such a packet, we set
+ * 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);
- NetSendPacket((uchar *)et,((uchar *)arp-pkt)+ARP_HDR_SIZE);
+ (void) eth_send((uchar *)et, (pkt - (uchar *)et) + ARP_HDR_SIZE);
return;
- case ARPOP_REPLY: /* set TFTP server eth addr */
+
+ case ARPOP_REPLY: /* arp reply */
+ /* are we waiting for a reply */
+ if (!NetArpWaitPacketIP || !NetArpWaitPacketMAC)
+ break;
#ifdef ET_DEBUG
- printf("Got ARP REPLY, set server/gtwy eth addr\n");
+ printf("Got ARP REPLY, set server/gtwy eth addr (%02x:%02x:%02x:%02x:%02x:%02x)\n",
+ arp->ar_data[0], arp->ar_data[1],
+ arp->ar_data[2], arp->ar_data[3],
+ arp->ar_data[4], arp->ar_data[5]);
#endif
- memcpy (NetServerEther, &arp->ar_data[0], 6);
- (*packetHandler)(0,0,0,0); /* start TFTP */
+
+ tmp = NetReadIP(&arp->ar_data[6]);
+
+ /* matched waiting packet's address */
+ if (tmp == NetArpWaitReplyIP) {
+#ifdef ET_DEBUG
+ puts ("Got it\n");
+#endif
+ /* save address for later use */
+ memcpy(NetArpWaitPacketMAC, &arp->ar_data[0], 6);
+
+ /* modify header, and transmit it */
+ memcpy(((Ethernet_t *)NetArpWaitTxPacket)->et_dest, NetArpWaitPacketMAC, 6);
+ (void) eth_send(NetArpWaitTxPacket, NetArpWaitTxPacketSize);
+
+ /* no arp request pending now */
+ NetArpWaitPacketIP = 0;
+ NetArpWaitTxPacketSize = 0;
+ NetArpWaitPacketMAC = NULL;
+
+ }
return;
default:
#ifdef ET_DEBUG
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);
/*
* watch for ICMP host redirects
*
- * There is no real handler code (yet). We just watch
- * for ICMP host redirect messages. In case anybody
- * sees these messages: please contact me
- * (wd@denx.de), or - even better - send me the
- * necessary fixes :-)
+ * There is no real handler code (yet). We just watch
+ * for ICMP host redirect messages. In case anybody
+ * sees these messages: please contact me
+ * (wd@denx.de), or - even better - send me the
+ * necessary fixes :-)
*
- * Note: in all cases where I have seen this so far
- * it was a problem with the router configuration,
- * for instance when a router was configured in the
- * BOOTP reply, but the TFTP server was on the same
- * subnet. So this is probably a warning that your
- * configuration might be wrong. But I'm not really
- * sure if there aren't any other situations.
+ * Note: in all cases where I have seen this so far
+ * it was a problem with the router configuration,
+ * for instance when a router was configured in the
+ * BOOTP reply, but the TFTP server was on the same
+ * subnet. So this is probably a warning that your
+ * configuration might be wrong. But I'm not really
+ * sure if there aren't any other situations.
*/
if (ip->ip_p == IPPROTO_ICMP) {
ICMP_t *icmph = (ICMP_t *)&(ip->udp_src);
- if (icmph->type != ICMP_REDIRECT)
- return;
+ switch (icmph->type) {
+ case ICMP_REDIRECT:
if (icmph->code != ICMP_REDIR_HOST)
return;
puts (" ICMP Host Redirect to ");
print_IPaddr(icmph->un.gateway);
putc(' ');
+ break;
+#if (CONFIG_COMMANDS & CFG_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;
+#endif
+ default:
+ return;
+ }
} else if (ip->ip_p != IPPROTO_UDP) { /* Only UDP packets */
return;
}
ntohs(ip->udp_dst),
ntohs(ip->udp_src),
ntohs(ip->udp_len) - 8);
-
break;
}
}
static int net_check_prereq (proto_t protocol)
{
switch (protocol) {
- case ARP: /* nothing to do */
- break;
-
+ /* Fall through */
+#if (CONFIG_COMMANDS & CFG_CMD_PING)
+ case PING:
+ if (NetPingIP == 0) {
+ puts ("*** ERROR: ping address not given\n");
+ return (1);
+ }
+ goto common;
+#endif
+#if (CONFIG_COMMANDS & CFG_CMD_NFS)
+ case NFS:
+#endif
case TFTP:
- if (NetServerIP == 0) {
- puts ("*** ERROR: `serverip' not set\n");
- return (1);
- }
+ if (NetServerIP == 0) {
+ puts ("*** ERROR: `serverip' not set\n");
+ return (1);
+ }
+#if (CONFIG_COMMANDS & CFG_CMD_PING)
+ 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:
- printf ("*** ERROR: `eth%daddr' not set\n",
+ 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 */
+ }
+ /* Fall through */
+ default:
+ return (0);
}
- return (0); /* OK */
+ return (0); /* OK */
}
/**********************************************************************/
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;
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)
+ );
}
-void print_IPaddr (IPaddr_t x)
-{
- char tmp[16];
-
- ip_to_string(x, tmp);
-
- puts(tmp);
-}
-
-IPaddr_t getenv_IPaddr (char *var)
+IPaddr_t string_to_ip(char *s)
{
IPaddr_t addr;
- char *s, *e;
+ char *e;
int i;
- s = getenv (var);
+ if (s == NULL)
+ return(0);
for (addr=0, i=0; i<4; ++i) {
ulong val = s ? simple_strtoul(s, &e, 10) : 0;
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];
+
+ ip_to_string (x, 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