diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/netconsole.c | 29 |
1 files changed, 20 insertions, 9 deletions
diff --git a/drivers/net/netconsole.c b/drivers/net/netconsole.c index 14243b8..86f5301 100644 --- a/drivers/net/netconsole.c +++ b/drivers/net/netconsole.c @@ -36,7 +36,8 @@ static int output_recursion; static int net_timeout; static uchar nc_ether[6]; /* server enet address */ static IPaddr_t nc_ip; /* server ip */ -static short nc_port; /* source/target port */ +static short nc_out_port; /* target output port */ +static short nc_in_port; /* source input port */ static const char *output_packet; /* used by first send udp */ static int output_packet_len; @@ -71,7 +72,7 @@ void NcStart(void) net_set_arp_handler(nc_wait_arp_handler); pkt = (uchar *)NetTxPacket + NetEthHdrSize() + IP_UDP_HDR_SIZE; memcpy(pkt, output_packet, output_packet_len); - NetSendUDPPacket(nc_ether, nc_ip, nc_port, nc_port, + NetSendUDPPacket(nc_ether, nc_ip, nc_out_port, nc_in_port, output_packet_len); } } @@ -80,7 +81,7 @@ int nc_input_packet(uchar *pkt, unsigned dest, unsigned src, unsigned len) { int end, chunk; - if (dest != nc_port || !len) + if (dest != nc_in_port || !len) return 0; /* not for us */ debug_cond(DEBUG_DEV_PKT, "input: \"%*.*s\"\n", len, len, pkt); @@ -139,7 +140,7 @@ static void nc_send_packet(const char *buf, int len) memcpy(pkt, buf, len); ether = nc_ether; ip = nc_ip; - NetSendUDPPacket(ether, ip, nc_port, nc_port, len); + NetSendUDPPacket(ether, ip, nc_out_port, nc_in_port, len); if (inited) eth_halt(); @@ -148,20 +149,30 @@ static void nc_send_packet(const char *buf, int len) static int nc_start(void) { int netmask, our_ip; + char *p; - nc_port = 6666; /* default port */ + nc_out_port = 6666; /* default port */ + nc_in_port = nc_out_port; if (getenv("ncip")) { - char *p; nc_ip = getenv_IPaddr("ncip"); if (!nc_ip) return -1; /* ncip is 0.0.0.0 */ p = strchr(getenv("ncip"), ':'); - if (p != NULL) - nc_port = simple_strtoul(p + 1, NULL, 10); + if (p != NULL) { + nc_out_port = simple_strtoul(p + 1, NULL, 10); + nc_in_port = nc_out_port; + } } else - nc_ip = ~0; /* ncip is not set */ + nc_ip = ~0; /* ncip is not set, so broadcast */ + + p = getenv("ncoutport"); + if (p != NULL) + nc_out_port = simple_strtoul(p, NULL, 10); + p = getenv("ncinport"); + if (p != NULL) + nc_in_port = simple_strtoul(p, NULL, 10); our_ip = getenv_IPaddr("ipaddr"); netmask = getenv_IPaddr("netmask"); |