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Add support for console over UDP (compatible to Ingo Molnar's

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netconsole patch under Linux)
This commit is contained in:
wdenk 2004-08-02 21:11:11 +00:00
parent 9aea95307f
commit 68ceb29e71
9 changed files with 308 additions and 2 deletions
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22
net/net.c
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@ -148,6 +148,11 @@ static void PingStart(void);
static void CDPStart(void);
#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 */
@ -308,6 +313,7 @@ restart:
#if (CONFIG_COMMANDS & CFG_CMD_PING)
case PING:
#endif
case NETCONS:
case TFTP:
NetCopyIP(&NetOurIP, &bd->bi_ip_addr);
NetOurGatewayIP = getenv_IPaddr ("gatewayip");
@ -319,6 +325,7 @@ restart:
#if (CONFIG_COMMANDS & CFG_CMD_NFS)
case NFS:
#endif
case NETCONS:
case TFTP:
NetServerIP = getenv_IPaddr ("serverip");
break;
@ -403,6 +410,11 @@ restart:
case CDP:
CDPStart();
break;
#endif
#ifdef CONFIG_NETCONSOLE
case NETCONS:
NcStart();
break;
#endif
default:
break;
@ -1259,6 +1271,9 @@ NetReceive(volatile uchar * inpkt, int len)
/* 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);
@ -1377,6 +1392,12 @@ NetReceive(volatile uchar * inpkt, int len)
return;
}
#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.
*/
@ -1406,6 +1427,7 @@ static int net_check_prereq (proto_t protocol)
#if (CONFIG_COMMANDS & CFG_CMD_NFS)
case NFS:
#endif
case NETCONS:
case TFTP:
if (NetServerIP == 0) {
puts ("*** ERROR: `serverip' not set\n");