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net: Allow filtering on debug traces in the net subsystem

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Add several levels of DEBUG prints so that you can limit the noise to
the severety of your problem.

DEBUG_LL_STATE = Link local state machine changes
DEBUG_DEV_PKT = Packets or info directed to the device
DEBUG_NET_PKT = Packets on info on the network at large
DEBUG_INT_STATE = Internal network state changes

Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
This commit is contained in:
Joe Hershberger
2012-05-23 08:01:04 +00:00
parent c697576262
commit 4ef8d53caa
8 changed files with 68 additions and 38 deletions
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4
net/ping.c
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@@ -45,7 +45,7 @@ static int ping_send(void)
/* XXX always send arp request */
debug("sending ARP for %pI4\n", &NetPingIP);
debug_cond(DEBUG_DEV_PKT, "sending ARP for %pI4\n", &NetPingIP);
NetArpWaitPacketIP = NetPingIP;
@@ -93,7 +93,7 @@ void ping_receive(struct ethernet_hdr *et, struct ip_udp_hdr *ip, int len)
case ICMP_ECHO_REQUEST:
eth_hdr_size = net_update_ether(et, et->et_src, PROT_IP);
debug("Got ICMP ECHO REQUEST, return "
debug_cond(DEBUG_DEV_PKT, "Got ICMP ECHO REQUEST, return "
"%d bytes\n", eth_hdr_size + len);
ip->ip_sum = 0;