#include <common.h>
#include <watchdog.h>
#include <command.h>
+#include <linux/compiler.h>
#include <net.h>
+#include "arp.h"
#include "bootp.h"
#include "tftp.h"
#ifdef CONFIG_CMD_RARP
#if defined(CONFIG_CMD_SNTP)
#include "sntp.h"
#endif
-#if defined(CONFIG_CDP_VERSION)
-#include <timestamp.h>
-#endif
+#include "cdp.h"
#if defined(CONFIG_CMD_DNS)
#include "dns.h"
#endif
DECLARE_GLOBAL_DATA_PTR;
-#ifndef CONFIG_ARP_TIMEOUT
-/* Milliseconds before trying ARP again */
-# define ARP_TIMEOUT 5000UL
-#else
-# define ARP_TIMEOUT CONFIG_ARP_TIMEOUT
-#endif
-
-
-#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
-
/** BOOTP EXTENTIONS **/
/* Our subnet mask (0=unknown) */
/* Server IP addr (0 = unknown) */
IPaddr_t NetServerIP;
/* Current receive packet */
-volatile uchar *NetRxPacket;
+uchar *NetRxPacket;
/* Current rx packet length */
int NetRxPacketLen;
/* IP packet ID */
uchar NetBcastAddr[6] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
uchar NetEtherNullAddr[6];
#ifdef CONFIG_API
-void (*push_packet)(volatile void *, int len) = 0;
-#endif
-#if defined(CONFIG_CMD_CDP)
-/* Ethernet bcast address */
-uchar NetCDPAddr[6] = { 0x01, 0x00, 0x0c, 0xcc, 0xcc, 0xcc };
+void (*push_packet)(void *, int len) = 0;
#endif
/* Network loop state */
int NetState;
-#ifdef CONFIG_NET_MULTI
/* Tried all network devices */
int NetRestartWrap;
/* Network loop restarted */
static int NetRestarted;
/* At least one device configured */
static int NetDevExists;
-#endif
/* XXX in both little & big endian machines 0xFFFF == ntohs(-1) */
/* default is without VLAN */
static void PingStart(void);
#endif
-#if defined(CONFIG_CMD_CDP)
-static void CDPStart(void);
-#endif
-
#if defined(CONFIG_CMD_SNTP)
/* NTP server IP address */
IPaddr_t NetNtpServerIP;
int NetTimeOffset;
#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];
+uchar PktBuf[(PKTBUFSRX+1) * PKTSIZE_ALIGN + PKTALIGN];
/* Receive packet */
-volatile uchar *NetRxPackets[PKTBUFSRX];
+uchar *NetRxPackets[PKTBUFSRX];
/* Current RX packet handler */
static rxhand_f *packetHandler;
+#ifdef CONFIG_CMD_TFTPPUT
+static rxhand_icmp_f *packet_icmp_handler; /* Current ICMP rx handler */
+#endif
/* Current timeout handler */
static thand_f *timeHandler;
/* Time base value */
/* Current timeout value */
static ulong timeDelta;
/* THE transmit packet */
-volatile uchar *NetTxPacket;
+uchar *NetTxPacket;
-static int net_check_prereq (proto_t protocol);
+static int net_check_prereq(enum proto_t protocol);
static int NetTryCount;
/**********************************************************************/
-IPaddr_t NetArpWaitPacketIP;
-IPaddr_t NetArpWaitReplyIP;
-/* MAC address of waiting packet's destination */
-uchar *NetArpWaitPacketMAC;
-/* THE transmit packet */
-uchar *NetArpWaitTxPacket;
-int NetArpWaitTxPacketSize;
-uchar NetArpWaitPacketBuf[PKTSIZE_ALIGN + PKTALIGN];
-ulong NetArpWaitTimerStart;
-int NetArpWaitTry;
-
-void ArpRequest (void)
+/*
+ * Check if autoload is enabled. If so, use either NFS or TFTP to download
+ * the boot file.
+ */
+void net_auto_load(void)
{
- int i;
- volatile uchar *pkt;
- ARP_t *arp;
-
- debug("ARP broadcast %d\n", NetArpWaitTry);
-
- 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);
-
- /* source ET addr */
- memcpy (&arp->ar_data[0], NetOurEther, 6);
- /* source IP addr */
- NetWriteIP ((uchar *) & arp->ar_data[6], NetOurIP);
- for (i = 10; i < 16; ++i) {
- /* dest ET addr = 0 */
- arp->ar_data[i] = 0;
- }
+ const char *s = getenv("autoload");
- if ((NetArpWaitPacketIP & NetOurSubnetMask) !=
- (NetOurIP & NetOurSubnetMask)) {
- if (NetOurGatewayIP == 0) {
- puts ("## Warning: gatewayip needed but not set\n");
- NetArpWaitReplyIP = NetArpWaitPacketIP;
- } else {
- NetArpWaitReplyIP = NetOurGatewayIP;
+ if (s != NULL) {
+ if (*s == 'n') {
+ /*
+ * Just use BOOTP/RARP to configure system;
+ * Do not use TFTP to load the bootfile.
+ */
+ NetState = NETLOOP_SUCCESS;
+ return;
}
- } 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) {
- NetArpWaitTry++;
-
- if (NetArpWaitTry >= ARP_TIMEOUT_COUNT) {
- puts ("\nARP Retry count exceeded; starting again\n");
- NetArpWaitTry = 0;
- NetStartAgain();
- } else {
- NetArpWaitTimerStart = t;
- ArpRequest();
+#if defined(CONFIG_CMD_NFS)
+ if (strcmp(s, "NFS") == 0) {
+ /*
+ * Use NFS to load the bootfile.
+ */
+ NfsStart();
+ return;
}
+#endif
}
+ TftpStart(TFTPGET);
}
-static void
-NetInitLoop(proto_t protocol)
+static void NetInitLoop(enum proto_t protocol)
{
static int env_changed_id;
- bd_t *bd = gd->bd;
- int env_id = get_env_id ();
+ int env_id = get_env_id();
/* update only when the environment has changed */
if (env_changed_id != env_id) {
- NetCopyIP(&NetOurIP, &bd->bi_ip_addr);
- NetOurGatewayIP = getenv_IPaddr ("gatewayip");
- NetOurSubnetMask= getenv_IPaddr ("netmask");
- NetServerIP = getenv_IPaddr ("serverip");
+ NetOurIP = getenv_IPaddr("ipaddr");
+ NetOurGatewayIP = getenv_IPaddr("gatewayip");
+ NetOurSubnetMask = getenv_IPaddr("netmask");
+ NetServerIP = getenv_IPaddr("serverip");
NetOurNativeVLAN = getenv_VLAN("nvlan");
NetOurVLAN = getenv_VLAN("vlan");
#if defined(CONFIG_CMD_DNS)
* Main network processing loop.
*/
-int
-NetLoop(proto_t protocol)
+int NetLoop(enum proto_t protocol)
{
bd_t *bd = gd->bd;
+ int ret = -1;
-#ifdef CONFIG_NET_MULTI
NetRestarted = 0;
NetDevExists = 0;
-#endif
- /* XXX problem with bss workaround */
- NetArpWaitPacketMAC = NULL;
- NetArpWaitTxPacket = NULL;
- NetArpWaitPacketIP = 0;
- NetArpWaitReplyIP = 0;
- NetArpWaitTxPacket = NULL;
NetTxPacket = NULL;
NetTryCount = 1;
+ ArpInit();
+
if (!NetTxPacket) {
int i;
/*
*/
NetTxPacket = &PktBuf[0] + (PKTALIGN - 1);
NetTxPacket -= (ulong)NetTxPacket % PKTALIGN;
- for (i = 0; i < PKTBUFSRX; i++) {
+ for (i = 0; i < PKTBUFSRX; i++)
NetRxPackets[i] = NetTxPacket + (i+1)*PKTSIZE_ALIGN;
- }
- }
-
- if (!NetArpWaitTxPacket) {
- NetArpWaitTxPacket = &NetArpWaitPacketBuf[0] + (PKTALIGN - 1);
- NetArpWaitTxPacket -= (ulong)NetArpWaitTxPacket % PKTALIGN;
- NetArpWaitTxPacketSize = 0;
}
+ bootstage_mark_name(BOOTSTAGE_ID_ETH_START, "eth_start");
eth_halt();
-#ifdef CONFIG_NET_MULTI
eth_set_current();
-#endif
if (eth_init(bd) < 0) {
eth_halt();
- return(-1);
+ return -1;
}
restart:
-#ifdef CONFIG_NET_MULTI
- memcpy (NetOurEther, eth_get_dev()->enetaddr, 6);
-#else
- eth_getenv_enetaddr("ethaddr", NetOurEther);
-#endif
+ memcpy(NetOurEther, eth_get_dev()->enetaddr, 6);
NetState = NETLOOP_CONTINUE;
*/
NetInitLoop(protocol);
- switch (net_check_prereq (protocol)) {
+ switch (net_check_prereq(protocol)) {
case 1:
/* network not configured */
eth_halt();
- return (-1);
+ return -1;
-#ifdef CONFIG_NET_MULTI
case 2:
/* network device not configured */
break;
-#endif /* CONFIG_NET_MULTI */
case 0:
-#ifdef CONFIG_NET_MULTI
NetDevExists = 1;
-#endif
+ NetBootFileXferSize = 0;
switch (protocol) {
- case TFTP:
+ case TFTPGET:
+#ifdef CONFIG_CMD_TFTPPUT
+ case TFTPPUT:
+#endif
/* always use ARP to get server ethernet address */
- TftpStart();
+ TftpStart(protocol);
break;
-
+#ifdef CONFIG_CMD_TFTPSRV
+ case TFTPSRV:
+ TftpStartServer();
+ break;
+#endif
#if defined(CONFIG_CMD_DHCP)
case DHCP:
BootpTry = 0;
case BOOTP:
BootpTry = 0;
NetOurIP = 0;
- BootpRequest ();
+ BootpRequest();
break;
#if defined(CONFIG_CMD_RARP)
case RARP:
RarpTry = 0;
NetOurIP = 0;
- RarpRequest ();
+ RarpRequest();
break;
#endif
#if defined(CONFIG_CMD_PING)
break;
}
- NetBootFileXferSize = 0;
break;
}
/*
* Echo the inverted link state to the fault LED.
*/
- if(miiphy_link(eth_get_dev()->name, CONFIG_SYS_FAULT_MII_ADDR)) {
- status_led_set (STATUS_LED_RED, STATUS_LED_OFF);
- } else {
- status_led_set (STATUS_LED_RED, STATUS_LED_ON);
- }
+ if (miiphy_link(eth_get_dev()->name, CONFIG_SYS_FAULT_MII_ADDR))
+ status_led_set(STATUS_LED_RED, STATUS_LED_OFF);
+ else
+ status_led_set(STATUS_LED_RED, STATUS_LED_ON);
#endif /* CONFIG_SYS_FAULT_ECHO_LINK_DOWN, ... */
#endif /* CONFIG_MII, ... */
for (;;) {
WATCHDOG_RESET();
#ifdef CONFIG_SHOW_ACTIVITY
- {
- extern void show_activity(int arg);
- show_activity(1);
- }
+ show_activity(1);
#endif
/*
* Check the ethernet for a new packet. The ethernet
*/
if (ctrlc()) {
eth_halt();
- puts ("\nAbort\n");
- return (-1);
+ puts("\nAbort\n");
+ goto done;
}
ArpTimeoutCheck();
thand_f *x;
#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
-# if defined(CONFIG_SYS_FAULT_ECHO_LINK_DOWN) && \
- defined(CONFIG_STATUS_LED) && \
- defined(STATUS_LED_RED)
+#if defined(CONFIG_SYS_FAULT_ECHO_LINK_DOWN) && \
+ defined(CONFIG_STATUS_LED) && \
+ defined(STATUS_LED_RED)
/*
* Echo the inverted link state to the fault LED.
*/
- if(miiphy_link(eth_get_dev()->name,
+ if (miiphy_link(eth_get_dev()->name,
CONFIG_SYS_FAULT_MII_ADDR)) {
- status_led_set (STATUS_LED_RED, STATUS_LED_OFF);
+ status_led_set(STATUS_LED_RED, STATUS_LED_OFF);
} else {
- status_led_set (STATUS_LED_RED, STATUS_LED_ON);
+ status_led_set(STATUS_LED_RED, STATUS_LED_ON);
}
-# endif /* CONFIG_SYS_FAULT_ECHO_LINK_DOWN, ... */
+#endif /* CONFIG_SYS_FAULT_ECHO_LINK_DOWN, ... */
#endif /* CONFIG_MII, ... */
x = timeHandler;
timeHandler = (thand_f *)0;
switch (NetState) {
case NETLOOP_RESTART:
-#ifdef CONFIG_NET_MULTI
NetRestarted = 1;
-#endif
goto restart;
case NETLOOP_SUCCESS:
setenv("fileaddr", buf);
}
eth_halt();
- return NetBootFileXferSize;
+ ret = NetBootFileXferSize;
+ goto done;
case NETLOOP_FAIL:
- return (-1);
+ goto done;
}
}
+
+done:
+#ifdef CONFIG_CMD_TFTPPUT
+ /* Clear out the handlers */
+ NetSetHandler(NULL);
+ net_set_icmp_handler(NULL);
+#endif
+ return ret;
}
/**********************************************************************/
/* Totally ignore the packet */
}
-void NetStartAgain (void)
+void NetStartAgain(void)
{
char *nretry;
int retry_forever = 0;
NetTryCount++;
-#ifndef CONFIG_NET_MULTI
- NetSetTimeout (10000UL, startAgainTimeout);
- NetSetHandler (startAgainHandler);
-#else /* !CONFIG_NET_MULTI*/
- eth_halt ();
+ eth_halt();
#if !defined(CONFIG_NET_DO_NOT_TRY_ANOTHER)
- eth_try_another (!NetRestarted);
+ eth_try_another(!NetRestarted);
#endif
- eth_init (gd->bd);
+ eth_init(gd->bd);
if (NetRestartWrap) {
NetRestartWrap = 0;
if (NetDevExists) {
- NetSetTimeout (10000UL, startAgainTimeout);
- NetSetHandler (startAgainHandler);
+ NetSetTimeout(10000UL, startAgainTimeout);
+ NetSetHandler(startAgainHandler);
} else {
NetState = NETLOOP_FAIL;
}
} else {
NetState = NETLOOP_RESTART;
}
-#endif /* CONFIG_NET_MULTI */
}
/**********************************************************************/
* Miscelaneous bits.
*/
+rxhand_f *
+NetGetHandler(void)
+{
+ return packetHandler;
+}
+
+
void
-NetSetHandler(rxhand_f * f)
+NetSetHandler(rxhand_f *f)
{
packetHandler = f;
}
+#ifdef CONFIG_CMD_TFTPPUT
+void net_set_icmp_handler(rxhand_icmp_f *f)
+{
+ packet_icmp_handler = f;
+}
+#endif
void
-NetSetTimeout(ulong iv, thand_f * f)
+NetSetTimeout(ulong iv, thand_f *f)
{
if (iv == 0) {
timeHandler = (thand_f *)0;
void
-NetSendPacket(volatile uchar * pkt, int len)
+NetSendPacket(uchar *pkt, int len)
{
(void) eth_send(pkt, len);
}
*/
if (memcmp(ether, NetEtherNullAddr, 6) == 0) {
- debug("sending ARP for %08lx\n", dest);
+ debug("sending ARP for %08x\n", dest);
NetArpWaitPacketIP = dest;
NetArpWaitPacketMAC = ether;
pkt = NetArpWaitTxPacket;
- pkt += NetSetEther (pkt, NetArpWaitPacketMAC, PROT_IP);
+ pkt += NetSetEther(pkt, NetArpWaitPacketMAC, PROT_IP);
- NetSetIP (pkt, dest, dport, sport, len);
+ NetSetIP(pkt, dest, dport, sport, len);
memcpy(pkt + IP_HDR_SIZE, (uchar *)NetTxPacket +
(pkt - (uchar *)NetArpWaitTxPacket) + IP_HDR_SIZE, len);
return 1; /* waiting */
}
- debug("sending UDP to %08lx/%pM\n", dest, ether);
+ debug("sending UDP to %08x/%pM\n", dest, ether);
pkt = (uchar *)NetTxPacket;
- pkt += NetSetEther (pkt, ether, PROT_IP);
- NetSetIP (pkt, dest, dport, sport, len);
+ 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 */
int PingSend(void)
{
static uchar mac[6];
- volatile IP_t *ip;
- volatile ushort *s;
+ IP_t *ip;
+ ushort *s;
uchar *pkt;
/* XXX always send arp request */
memcpy(mac, NetEtherNullAddr, 6);
- debug("sending ARP for %08lx\n", NetPingIP);
+ debug("sending ARP for %08x\n", NetPingIP);
NetArpWaitPacketIP = NetPingIP;
NetArpWaitPacketMAC = mac;
pkt = NetArpWaitTxPacket;
pkt += NetSetEther(pkt, mac, PROT_IP);
- ip = (volatile IP_t *)pkt;
+ ip = (IP_t *)pkt;
/*
* Construct an IP and ICMP header.
ip->ip_p = 0x01; /* ICMP */
ip->ip_sum = 0;
/* already in network byte order */
- NetCopyIP((void*)&ip->ip_src, &NetOurIP);
+ NetCopyIP((void *)&ip->ip_src, &NetOurIP);
/* - "" - */
- NetCopyIP((void*)&ip->ip_dst, &NetPingIP);
+ 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 */
}
static void
-PingTimeout (void)
+PingTimeout(void)
{
eth_halt();
NetState = NETLOOP_FAIL; /* we did not get the reply */
static void PingStart(void)
{
-#if defined(CONFIG_NET_MULTI)
- printf ("Using %s device\n", eth_get_name());
-#endif /* CONFIG_NET_MULTI */
- NetSetTimeout (10000UL, PingTimeout);
- NetSetHandler (PingHandler);
+ printf("Using %s device\n", eth_get_name());
+ NetSetTimeout(10000UL, 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 250UL /* 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;
- /* checksum (0 for later calculation) */
- *s++ = htons(0);
-
- /* CDP fields */
-#ifdef CONFIG_CDP_DEVICE_ID
- *s++ = htons(CDP_DEVICE_ID_TLV);
- *s++ = htons(CONFIG_CDP_DEVICE_ID);
- sprintf(buf, CONFIG_CDP_DEVICE_ID_PREFIX "%pm", NetOurEther);
- 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, IPaddr_t sip, 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
- /* XXX will this work; dunno */
- vlan = ntohs(*ss);
-#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
-
#ifdef CONFIG_IP_DEFRAG
/*
* This function collects fragments in a single packet, according
static IP_t *__NetDefragment(IP_t *ip, int *lenp)
{
- static uchar pkt_buff[IP_PKTSIZE] __attribute__((aligned(PKTALIGN)));
+ static uchar pkt_buff[IP_PKTSIZE] __aligned(PKTALIGN);
static u16 first_hole, total_len;
struct hole *payload, *thisfrag, *h, *newh;
IP_t *localip = (IP_t *)pkt_buff;
* (thus being a superset of a previously-received fragment).
*/
- if ( (h >= thisfrag) && (h->last_byte <= start + len) ) {
+ if ((h >= thisfrag) && (h->last_byte <= start + len)) {
/* complete overlap with hole: remove hole */
if (!h->prev_hole && !h->next_hole) {
/* last remaining hole */
}
#endif
+/**
+ * Receive an ICMP packet. We deal with REDIRECT and PING here, and silently
+ * drop others.
+ *
+ * @parma ip IP packet containing the ICMP
+ */
+static void receive_icmp(IP_t *ip, int len, IPaddr_t src_ip, Ethernet_t *et)
+{
+ ICMP_t *icmph = (ICMP_t *)&ip->udp_src;
+
+ switch (icmph->type) {
+ case ICMP_REDIRECT:
+ if (icmph->code != ICMP_REDIR_HOST)
+ return;
+ printf(" ICMP Host Redirect to %pI4 ",
+ &icmph->un.gateway);
+ break;
+#if defined(CONFIG_CMD_PING)
+ case ICMP_ECHO_REPLY:
+ /*
+ * IP header OK. Pass the packet to the
+ * current handler.
+ */
+ /*
+ * XXX point to ip packet - should this use
+ * packet_icmp_handler?
+ */
+ (*packetHandler)((uchar *)ip, 0, src_ip, 0, 0);
+ break;
+ case ICMP_ECHO_REQUEST:
+ debug("Got ICMP ECHO REQUEST, return %d bytes\n",
+ ETHER_HDR_SIZE + len);
+
+ 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);
+ break;
+#endif
+ default:
+#ifdef CONFIG_CMD_TFTPPUT
+ if (packet_icmp_handler)
+ packet_icmp_handler(icmph->type, icmph->code,
+ ntohs(ip->udp_dst), src_ip, ntohs(ip->udp_src),
+ icmph->un.data, ntohs(ip->udp_len));
+#endif
+ break;
+ }
+}
+
void
-NetReceive(volatile uchar * inpkt, int len)
+NetReceive(uchar *inpkt, int len)
{
Ethernet_t *et;
IP_t *ip;
+#ifdef CONFIG_CMD_RARP
ARP_t *arp;
+#endif
IPaddr_t tmp;
IPaddr_t src_ip;
int x;
- uchar *pkt;
#if defined(CONFIG_CMD_CDP)
int iscdp;
#endif
#if defined(CONFIG_CMD_CDP)
/* keep track if packet is CDP */
- iscdp = memcmp(et->et_dest, NetCDPAddr, 6) == 0;
+ iscdp = is_cdp_packet(et->et_dest);
#endif
myvlanid = ntohs(NetOurVLAN);
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
- */
- debug("Got ARP\n");
-
- arp = (ARP_t *)ip;
- if (len < ARP_HDR_SIZE) {
- printf("bad length %d < %d\n", len, ARP_HDR_SIZE);
- return;
- }
- if (ntohs(arp->ar_hrd) != ARP_ETHER) {
- return;
- }
- if (ntohs(arp->ar_pro) != PROT_IP) {
- return;
- }
- if (arp->ar_hln != 6) {
- return;
- }
- if (arp->ar_pln != 4) {
- return;
- }
-
- if (NetOurIP == 0) {
- return;
- }
-
- if (NetReadIP(&arp->ar_data[16]) != NetOurIP) {
- return;
- }
-
- switch (ntohs(arp->ar_op)) {
- case ARPOP_REQUEST:
- /* reply with our IP address */
- debug("Got ARP REQUEST, return our IP\n");
- 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,
- (pkt - (uchar *)et) + ARP_HDR_SIZE);
- return;
-
- case ARPOP_REPLY: /* arp reply */
- /* are we waiting for a reply */
- if (!NetArpWaitPacketIP || !NetArpWaitPacketMAC)
- break;
-
-#ifdef CONFIG_KEEP_SERVERADDR
- if (NetServerIP == NetArpWaitPacketIP) {
- char buf[20];
- sprintf(buf, "%pM", arp->ar_data);
- setenv("serveraddr", buf);
- }
-#endif
-
- debug("Got ARP REPLY, set server/gtwy eth addr (%pM)\n",
- arp->ar_data);
-
- tmp = NetReadIP(&arp->ar_data[6]);
-
- /* matched waiting packet's address */
- if (tmp == NetArpWaitReplyIP) {
- debug("Got it\n");
- /* save address for later use */
- memcpy(NetArpWaitPacketMAC,
- &arp->ar_data[0], 6);
-
-#ifdef CONFIG_NETCONSOLE
- (*packetHandler)(0, 0, 0, 0, 0);
-#endif
- /* 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:
- debug("Unexpected ARP opcode 0x%x\n",
- ntohs(arp->ar_op));
- return;
- }
+ ArpReceive(et, ip, len);
break;
#ifdef CONFIG_CMD_RARP
(ntohs(arp->ar_pro) != PROT_IP) ||
(arp->ar_hln != 6) || (arp->ar_pln != 4)) {
- puts ("invalid RARP header\n");
+ puts("invalid RARP header\n");
} else {
- NetCopyIP(&NetOurIP, &arp->ar_data[16]);
+ NetCopyIP(&NetOurIP, &arp->ar_data[16]);
if (NetServerIP == 0)
- NetCopyIP(&NetServerIP, &arp->ar_data[ 6]);
- memcpy (NetServerEther, &arp->ar_data[ 0], 6);
+ NetCopyIP(&NetServerIP, &arp->ar_data[6]);
+ memcpy(NetServerEther, &arp->ar_data[0], 6);
(*packetHandler)(0, 0, 0, 0, 0);
}
debug("len=%d, v=%02x\n", len, ip->ip_hl_v & 0xff);
/* Can't deal with anything except IPv4 */
- if ((ip->ip_hl_v & 0xf0) != 0x40) {
+ if ((ip->ip_hl_v & 0xf0) != 0x40)
return;
- }
/* Can't deal with IP options (headers != 20 bytes) */
- if ((ip->ip_hl_v & 0x0f) > 0x05) {
+ if ((ip->ip_hl_v & 0x0f) > 0x05)
return;
- }
/* Check the Checksum of the header */
if (!NetCksumOk((uchar *)ip, IP_HDR_SIZE_NO_UDP / 2)) {
- puts ("checksum bad\n");
+ puts("checksum bad\n");
return;
}
/* If it is not for us, ignore it */
#ifdef CONFIG_MCAST_TFTP
if (Mcast_addr != tmp)
#endif
- return;
+ return;
}
/* Read source IP address for later use */
src_ip = NetReadIP(&ip->ip_src);
* a fragment, and either the complete packet or NULL if
* it is a fragment (if !CONFIG_IP_DEFRAG, it returns NULL)
*/
- if (!(ip = NetDefragment(ip, &len)))
+ ip = NetDefragment(ip, &len);
+ if (!ip)
return;
/*
* watch for ICMP host redirects
* 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.
+ *
+ * Simon Glass <sjg@chromium.org>: We get an ICMP when
+ * we send a tftp packet to a dead connection, or when
+ * there is no server at the other end.
*/
if (ip->ip_p == IPPROTO_ICMP) {
- ICMP_t *icmph = (ICMP_t *)&(ip->udp_src);
-
- switch (icmph->type) {
- case ICMP_REDIRECT:
- if (icmph->code != ICMP_REDIR_HOST)
- return;
- printf (" ICMP Host Redirect to %pI4 ",
- &icmph->un.gateway);
- return;
-#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, src_ip, 0, 0);
- return;
- case ICMP_ECHO_REQUEST:
- debug("Got ICMP ECHO REQUEST, return %d bytes\n",
- ETHER_HDR_SIZE + len);
-
- 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;
- }
+ receive_icmp(ip, len, src_ip, et);
+ return;
} else if (ip->ip_p != IPPROTO_UDP) { /* Only UDP packets */
return;
}
#ifdef CONFIG_NETCONSOLE
- nc_input_packet((uchar *)ip +IP_HDR_SIZE,
+ nc_input_packet((uchar *)ip + IP_HDR_SIZE,
ntohs(ip->udp_dst),
ntohs(ip->udp_src),
ntohs(ip->udp_len) - 8);
/*
* IP header OK. Pass the packet to the current handler.
*/
- (*packetHandler)((uchar *)ip +IP_HDR_SIZE,
+ (*packetHandler)((uchar *)ip + IP_HDR_SIZE,
ntohs(ip->udp_dst),
src_ip,
ntohs(ip->udp_src),
/**********************************************************************/
-static int net_check_prereq (proto_t protocol)
+static int net_check_prereq(enum proto_t protocol)
{
switch (protocol) {
/* Fall through */
#if defined(CONFIG_CMD_PING)
case PING:
if (NetPingIP == 0) {
- puts ("*** ERROR: ping address not given\n");
- return (1);
+ 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);
+ puts("*** ERROR: NTP server address not given\n");
+ return 1;
}
goto common;
#endif
#if defined(CONFIG_CMD_NFS)
case NFS:
#endif
- case TFTP:
+ case TFTPGET:
+ case TFTPPUT:
if (NetServerIP == 0) {
- puts ("*** ERROR: `serverip' not set\n");
- return (1);
+ puts("*** ERROR: `serverip' not set\n");
+ return 1;
}
-#if defined(CONFIG_CMD_PING) || defined(CONFIG_CMD_SNTP) || \
- defined(CONFIG_CMD_DNS)
- common:
+#if defined(CONFIG_CMD_PING) || defined(CONFIG_CMD_SNTP) || \
+ defined(CONFIG_CMD_DNS)
+common:
#endif
/* Fall through */
case NETCONS:
+ case TFTPSRV:
if (NetOurIP == 0) {
- puts ("*** ERROR: `ipaddr' not set\n");
- return (1);
+ puts("*** ERROR: `ipaddr' not set\n");
+ return 1;
}
/* Fall through */
case BOOTP:
case CDP:
case DHCP:
- 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 ();
+ if (memcmp(NetOurEther, "\0\0\0\0\0\0", 6) == 0) {
+ int num = eth_get_dev_index();
switch (num) {
case -1:
- puts ("*** ERROR: No ethernet found.\n");
- return (1);
+ puts("*** ERROR: No ethernet found.\n");
+ return 1;
case 0:
- puts ("*** ERROR: `ethaddr' not set\n");
+ puts("*** ERROR: `ethaddr' not set\n");
break;
default:
- printf ("*** ERROR: `eth%daddr' not set\n",
+ printf("*** ERROR: `eth%daddr' not set\n",
num);
break;
}
- NetStartAgain ();
- return (2);
-#else
- puts ("*** ERROR: `ethaddr' not set\n");
- return (1);
-#endif
+ NetStartAgain();
+ return 2;
}
/* Fall through */
default:
- return (0);
+ return 0;
}
- return (0); /* OK */
+ return 0; /* OK */
}
/**********************************************************************/
int
-NetCksumOk(uchar * ptr, int len)
+NetCksumOk(uchar *ptr, int len)
{
return !((NetCksum(ptr, len) + 1) & 0xfffe);
}
unsigned
-NetCksum(uchar * ptr, int len)
+NetCksum(uchar *ptr, int len)
{
ulong xsum;
ushort *p = (ushort *)ptr;
xsum += *p++;
xsum = (xsum & 0xffff) + (xsum >> 16);
xsum = (xsum & 0xffff) + (xsum >> 16);
- return (xsum & 0xffff);
+ return xsum & 0xffff;
}
int
}
int
-NetSetEther(volatile uchar * xet, uchar * addr, uint prot)
+NetSetEther(uchar *xet, uchar * addr, uint prot)
{
Ethernet_t *et = (Ethernet_t *)xet;
ushort myvlanid;
if (myvlanid == (ushort)-1)
myvlanid = VLAN_NONE;
- memcpy (et->et_dest, addr, 6);
- memcpy (et->et_src, NetOurEther, 6);
+ memcpy(et->et_dest, addr, 6);
+ memcpy(et->et_src, NetOurEther, 6);
if ((myvlanid & VLAN_IDMASK) == VLAN_NONE) {
- et->et_protlen = htons(prot);
+ et->et_protlen = htons(prot);
return ETHER_HDR_SIZE;
} else {
VLAN_Ethernet_t *vet = (VLAN_Ethernet_t *)xet;
}
void
-NetSetIP(volatile uchar * xip, IPaddr_t dest, int dport, int sport, int len)
+NetSetIP(uchar *xip, IPaddr_t dest, int dport, int sport, int len)
{
IP_t *ip = (IP_t *)xip;
ip->ip_p = 17; /* UDP */
ip->ip_sum = 0;
/* already in network byte order */
- NetCopyIP((void*)&ip->ip_src, &NetOurIP);
+ NetCopyIP((void *)&ip->ip_src, &NetOurIP);
/* - "" - */
- NetCopyIP((void*)&ip->ip_dst, &dest);
+ NetCopyIP((void *)&ip->ip_dst, &dest);
ip->udp_src = htons(sport);
ip->udp_dst = htons(dport);
ip->udp_len = htons(8 + len);
ip->ip_sum = ~NetCksum((uchar *)ip, IP_HDR_SIZE_NO_UDP / 2);
}
-void copy_filename (char *dst, const char *src, int size)
+void copy_filename(char *dst, const char *src, int size)
{
if (*src && (*src == '"')) {
++src;
--size;
}
- while ((--size > 0) && *src && (*src != '"')) {
+ while ((--size > 0) && *src && (*src != '"'))
*dst++ = *src++;
- }
*dst = '\0';
}
}
#endif
-void ip_to_string (IPaddr_t x, char *s)
+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)
);
}
ushort getenv_VLAN(char *var)
{
- return (string_to_VLAN(getenv(var)));
+ return string_to_VLAN(getenv(var));
}