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Diffstat (limited to 'net/net.c')
-rw-r--r--net/net.c197
1 files changed, 99 insertions, 98 deletions
diff --git a/net/net.c b/net/net.c
index 80d047519..c9874587e 100644
--- a/net/net.c
+++ b/net/net.c
@@ -122,7 +122,7 @@ uchar NetBcastAddr[6] = /* Ethernet bcast address */
uchar NetEtherNullAddr[6] =
{ 0, 0, 0, 0, 0, 0 };
#if (CONFIG_COMMANDS & CFG_CMD_CDP)
-uchar NetCDPAddr[6] = /* Ethernet bcast address */
+uchar NetCDPAddr[6] = /* Ethernet bcast address */
{ 0x01, 0x00, 0x0c, 0xcc, 0xcc, 0xcc };
#endif
int NetState; /* Network loop state */
@@ -132,8 +132,9 @@ static int NetRestarted = 0; /* Network loop restarted */
static int NetDevExists = 0; /* At least one device configured */
#endif
-ushort NetOurVLAN = ntohs(-1); /* default is without VLAN */
-ushort NetOurNativeVLAN = htons(-1); /* dido */
+/* 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 */
@@ -170,43 +171,45 @@ 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;
- pkt += NetSetEther(pkt, NetBcastAddr, PROT_ARP);
+ 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 = NetOurGatewayIP;
+ } else {
+ NetArpWaitReplyIP = NetArpWaitPacketIP;
+ }
- NetWriteIP((uchar*)&arp->ar_data[16], NetArpWaitReplyIP);
- (void) eth_send(NetTxPacket, (pkt - NetTxPacket) + ARP_HDR_SIZE);
+ NetWriteIP ((uchar *) & arp->ar_data[16], NetArpWaitReplyIP);
+ (void) eth_send (NetTxPacket, (pkt - NetTxPacket) + ARP_HDR_SIZE);
}
void ArpTimeoutCheck(void)
@@ -260,7 +263,6 @@ NetLoop(proto_t protocol)
if (!NetTxPacket) {
int i;
-
/*
* Setup packet buffers, aligned correctly.
*/
@@ -269,7 +271,6 @@ NetLoop(proto_t protocol)
for (i = 0; i < PKTBUFSRX; i++) {
NetRxPackets[i] = NetTxPacket + (i+1)*PKTSIZE_ALIGN;
}
-
}
if (!NetArpWaitTxPacket) {
@@ -279,9 +280,11 @@ NetLoop(proto_t protocol)
}
eth_halt();
+#ifdef CONFIG_NET_MULTI
eth_set_current();
- if(eth_init(bd) < 0)
- return(-1);
+#endif
+ if (eth_init(bd) < 0)
+ return(-1);
restart:
#ifdef CONFIG_NET_MULTI
@@ -519,43 +522,42 @@ startAgainHandler(uchar * pkt, unsigned dest, unsigned src, unsigned len)
/* Totally ignore the packet */
}
-void
-NetStartAgain(void)
+void NetStartAgain (void)
{
+#ifdef CONFIG_NET_MULTI
DECLARE_GLOBAL_DATA_PTR;
- char *s;
+#endif
+ char *nretry;
+ int noretry = 0, once = 0;
- if ((s = getenv("netretry")) != NULL && *s == 'n') {
- eth_halt();
+ 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
- eth_halt();
- eth_try_another(!NetRestarted);
- eth_init(gd->bd);
- if (NetRestartWrap)
- {
+ 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 */
}
/**********************************************************************/
@@ -629,7 +631,7 @@ NetSendUDPPacket(uchar *ether, IPaddr_t dest, int dport, int sport, int len)
#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
pkt = (uchar *)NetTxPacket;
@@ -637,7 +639,7 @@ NetSendUDPPacket(uchar *ether, IPaddr_t dest, int dport, int sport, int len)
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)
@@ -722,14 +724,13 @@ static void PingStart(void)
{
#if defined(CONFIG_NET_MULTI)
printf ("Using %s device\n", eth_get_name());
-#endif
+#endif /* CONFIG_NET_MULTI */
NetSetTimeout (10 * CFG_HZ, PingTimeout);
NetSetHandler (PingHandler);
PingSend();
}
-
-#endif
+#endif /* CFG_CMD_PING */
#if (CONFIG_COMMANDS & CFG_CMD_CDP)
@@ -812,9 +813,12 @@ int CDPSendTrigger(void)
volatile ushort *s;
volatile ushort *cp;
Ethernet_t *et;
- char buf[32];
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;
@@ -1073,8 +1077,7 @@ static void CDPStart(void)
CDPSendTrigger();
}
-
-#endif
+#endif /* CFG_CMD_CDP */
void
@@ -1381,7 +1384,6 @@ NetReceive(volatile uchar * inpkt, int len)
ntohs(ip->udp_dst),
ntohs(ip->udp_src),
ntohs(ip->udp_len) - 8);
-
break;
}
}
@@ -1392,68 +1394,67 @@ NetReceive(volatile uchar * inpkt, int len)
static int net_check_prereq (proto_t protocol)
{
switch (protocol) {
- /* Fall through */
+ /* Fall through */
#if (CONFIG_COMMANDS & CFG_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 (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:
+ 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:
case CDP:
- if (memcmp(NetOurEther, "\0\0\0\0\0\0", 6) == 0) {
+ 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 */
}
/**********************************************************************/
@@ -1529,7 +1530,7 @@ 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;
@@ -1570,7 +1571,7 @@ void ip_to_string (IPaddr_t x, char *s)
(int) ((x >> 24) & 0xff),
(int) ((x >> 16) & 0xff),
(int) ((x >> 8) & 0xff), (int) ((x >> 0) & 0xff)
- );
+ );
}
IPaddr_t string_to_ip(char *s)
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-10-31 10:12:07 +0000