[U-Boot] [PATCH 28/28] net: Allow filtering on debug traces in the net subsystem
Joe Hershberger
joe.hershberger at ni.com
Fri Jan 20 01:53:31 CET 2012
Signed-off-by: Joe Hershberger <joe.hershberger at ni.com>
Cc: Joe Hershberger <joe.hershberger at gmail.com>
Cc: Wolfgang Denk <wd at denx.de>
---
drivers/net/netconsole.c | 6 ++++++
net/arp.c | 12 ++++++++----
net/link_local.c | 31 +++++++++++++++++++------------
net/net.c | 45 ++++++++++++++++++++++++++++++++++-----------
net/ping.c | 6 ++++--
net/rarp.c | 7 +++++--
6 files changed, 76 insertions(+), 31 deletions(-)
diff --git a/drivers/net/netconsole.c b/drivers/net/netconsole.c
index 1e31159..aee671e 100644
--- a/drivers/net/netconsole.c
+++ b/drivers/net/netconsole.c
@@ -26,6 +26,8 @@
#include <stdio_dev.h>
#include <net.h>
+#define DEBUG_DEV_PKT 0
+
DECLARE_GLOBAL_DATA_PTR;
static char input_buffer[512];
@@ -83,6 +85,8 @@ int nc_input_packet(uchar *pkt, unsigned dest, unsigned src, unsigned len)
if (dest != nc_port || !len)
return 0; /* not for us */
+ debug_cond(DEBUG_DEV_PKT, "input: \"%*.*s\"\n", len, len, pkt);
+
if (input_size == sizeof(input_buffer))
return 1; /* no space */
if (len > sizeof(input_buffer) - input_size)
@@ -112,6 +116,8 @@ static void nc_send_packet(const char *buf, int len)
uchar *ether;
IPaddr_t ip;
+ debug_cond(DEBUG_DEV_PKT, "output: \"%*.*s\"\n", len, len, buf);
+
eth = eth_get_dev();
if (eth == NULL)
return;
diff --git a/net/arp.c b/net/arp.c
index 8a7b4a2..b8fb21f 100644
--- a/net/arp.c
+++ b/net/arp.c
@@ -15,6 +15,9 @@
#include "link_local.h"
#endif
+#define DEBUG_DEV_PKT 0
+#define DEBUG_NET_PKT 0
+
#ifndef CONFIG_ARP_TIMEOUT
/* Milliseconds before trying ARP again */
# define ARP_TIMEOUT 5000UL
@@ -58,7 +61,7 @@ void ArpRawRequest(IPaddr_t sourceIP, const uchar *targetEther,
struct ARP_t *arp;
int eth_hdr_size;
- debug("ARP broadcast %d\n", NetArpWaitTry);
+ debug_cond(DEBUG_DEV_PKT, "ARP broadcast %d\n", NetArpWaitTry);
pkt = NetArpTxPacket;
@@ -138,7 +141,7 @@ void ArpReceive(struct Ethernet_t *et, struct IP_UDP_t *ip, int len)
* address; so if we receive such a packet, we set
* the server ethernet address
*/
- debug("Got ARP\n");
+ debug_cond(DEBUG_NET_PKT, "Got ARP\n");
arp = (struct ARP_t *)ip;
if (len < ARP_HDR_SIZE) {
@@ -163,7 +166,7 @@ void ArpReceive(struct Ethernet_t *et, struct IP_UDP_t *ip, int len)
switch (ntohs(arp->ar_op)) {
case ARPOP_REQUEST:
/* reply with our IP address */
- debug("Got ARP REQUEST, return our IP\n");
+ debug_cond(DEBUG_DEV_PKT, "Got ARP REQUEST, return our IP\n");
pkt = (uchar *)et;
eth_hdr_size = NetUpdateEther(et, et->et_src, PROT_ARP);
pkt += eth_hdr_size;
@@ -205,7 +208,8 @@ void ArpReceive(struct Ethernet_t *et, struct IP_UDP_t *ip, int len)
/* matched waiting packet's address */
if (reply_ip_addr == NetArpWaitReplyIP) {
- debug("Got ARP REPLY, set eth addr (%pM)\n",
+ debug_cond(DEBUG_DEV_PKT,
+ "Got ARP REPLY, set eth addr (%pM)\n",
arp->ar_data);
/* save address for later use */
diff --git a/net/link_local.c b/net/link_local.c
index 16ec9a7..5395bf6 100644
--- a/net/link_local.c
+++ b/net/link_local.c
@@ -16,6 +16,11 @@
#include "arp.h"
#include "net_rand.h"
+#define DEBUG_LL_STATE 0
+#define DEBUG_DEV_PKT 0
+#define DEBUG_NET_PKT 0
+#define DEBUG_INT_STATE 0
+
/* We don't need more than 32 bits of the counter */
#define MONOTONIC_MS() ((unsigned)get_timer(0) * (1000 / CONFIG_SYS_HZ))
@@ -93,7 +98,7 @@ static void configure_wait(void)
/* set deadline_ms to the point in time when we timeout */
deadline_ms = MONOTONIC_MS() + timeout_ms;
- debug("...wait %d %s nprobes=%u, nclaims=%u\n",
+ debug_cond(DEBUG_DEV_PKT, "...wait %d %s nprobes=%u, nclaims=%u\n",
timeout_ms, eth_get_name(), nprobes, nclaims);
NetSetTimeout(timeout_ms, LinkLocalTimeout);
@@ -132,7 +137,7 @@ LinkLocalTimeout(void)
have been received, so we can progress through the states */
if (nprobes < PROBE_NUM) {
nprobes++;
- debug("probe/%u %s@%pI4\n",
+ debug_cond(DEBUG_LL_STATE, "probe/%u %s@%pI4\n",
nprobes, eth_get_name(), &ip);
ArpRawRequest(0, NetEtherNullAddr, ip);
timeout_ms = PROBE_MIN * 1000;
@@ -141,7 +146,7 @@ LinkLocalTimeout(void)
/* Switch to announce state */
state = ANNOUNCE;
nclaims = 0;
- debug("announce/%u %s@%pI4\n",
+ debug_cond(DEBUG_LL_STATE, "announce/%u %s@%pI4\n",
nclaims, eth_get_name(), &ip);
ArpRawRequest(ip, NetOurEther, ip);
timeout_ms = ANNOUNCE_INTERVAL * 1000;
@@ -153,7 +158,7 @@ LinkLocalTimeout(void)
to the announce state */
state = ANNOUNCE;
nclaims = 0;
- debug("announce/%u %s@%pI4\n",
+ debug_cond(DEBUG_LL_STATE, "announce/%u %s@%pI4\n",
nclaims, eth_get_name(), &ip);
ArpRawRequest(ip, NetOurEther, ip);
timeout_ms = ANNOUNCE_INTERVAL * 1000;
@@ -164,7 +169,7 @@ LinkLocalTimeout(void)
the states */
if (nclaims < ANNOUNCE_NUM) {
nclaims++;
- debug("announce/%u %s@%pI4\n",
+ debug_cond(DEBUG_LL_STATE, "announce/%u %s@%pI4\n",
nclaims, eth_get_name(), &ip);
ArpRawRequest(ip, NetOurEther, ip);
timeout_ms = ANNOUNCE_INTERVAL * 1000;
@@ -217,10 +222,11 @@ void LinkLocalReceiveArp(struct ARP_t *arp, int len)
if ((int)(diff) < 0) {
/* Current time is greater than the expected timeout
time. This should never happen */
- debug("missed an expected timeout\n");
+ debug_cond(DEBUG_LL_STATE,
+ "missed an expected timeout\n");
timeout_ms = 0;
} else {
- debug("adjusting timeout\n");
+ debug_cond(DEBUG_INT_STATE, "adjusting timeout\n");
timeout_ms = diff | 1; /* never 0 */
}
}
@@ -240,13 +246,13 @@ void LinkLocalReceiveArp(struct ARP_t *arp, int len)
}
*/
- debug("%s recv arp type=%d, op=%d,\n",
+ debug_cond(DEBUG_INT_STATE, "%s recv arp type=%d, op=%d,\n",
eth_get_name(), ntohs(arp->ar_pro),
ntohs(arp->ar_op));
- debug("\tsource=%pM %pI4\n",
+ debug_cond(DEBUG_INT_STATE, "\tsource=%pM %pI4\n",
&arp->ar_sha,
&arp->ar_spa);
- debug("\ttarget=%pM %pI4\n",
+ debug_cond(DEBUG_INT_STATE, "\ttarget=%pM %pI4\n",
&arp->ar_tha,
&arp->ar_tpa);
@@ -272,8 +278,9 @@ void LinkLocalReceiveArp(struct ARP_t *arp, int len)
target_ip_conflict = 1;
}
- debug("state = %d, source ip conflict = %d, target ip conflict = %d\n",
- state, source_ip_conflict, target_ip_conflict);
+ debug_cond(DEBUG_NET_PKT,
+ "state = %d, source ip conflict = %d, target ip conflict = "
+ "%d\n", state, source_ip_conflict, target_ip_conflict);
switch (state) {
case PROBE:
case ANNOUNCE:
diff --git a/net/net.c b/net/net.c
index d541234..2c1e60e 100644
--- a/net/net.c
+++ b/net/net.c
@@ -111,6 +111,10 @@
#endif
#include "tftp.h"
+#define DEBUG_DEV_PKT 0
+#define DEBUG_NET_PKT 0
+#define DEBUG_INT_STATE 0
+
DECLARE_GLOBAL_DATA_PTR;
/** BOOTP EXTENTIONS **/
@@ -315,6 +319,7 @@ int NetLoop(enum proto_t protocol)
NetRestarted = 0;
NetDevExists = 0;
NetTryCount = 1;
+ debug_cond(DEBUG_INT_STATE, "--- NetLoop Entry\n");
NetInit();
eth_halt();
@@ -334,6 +339,7 @@ restart:
* here on, this code is a state machine driven by received
* packets and timer events.
*/
+ debug_cond(DEBUG_INT_STATE, "--- NetLoop Init\n");
NetInitLoop();
switch (net_check_prereq(protocol)) {
@@ -464,6 +470,9 @@ restart:
NetCleanupLoop();
eth_halt();
puts("\nAbort\n");
+ /* include a debug print as well incase the debug
+ messages are directed to stderr */
+ debug_cond(DEBUG_INT_STATE, "--- NetLoop Abort!\n");
goto done;
}
@@ -491,6 +500,7 @@ restart:
}
#endif /* CONFIG_SYS_FAULT_ECHO_LINK_DOWN, ... */
#endif /* CONFIG_MII, ... */
+ debug_cond(DEBUG_INT_STATE, "--- NetLoop timeout\n");
x = timeHandler;
timeHandler = (thand_f *)0;
(*x)();
@@ -518,10 +528,12 @@ restart:
}
eth_halt();
ret = NetBootFileXferSize;
+ debug_cond(DEBUG_INT_STATE, "--- NetLoop Success!\n");
goto done;
case NETLOOP_FAIL:
NetCleanupLoop();
+ debug_cond(DEBUG_INT_STATE, "--- NetLoop Fail!\n");
goto done;
}
}
@@ -602,6 +614,7 @@ NetGetUDPHandler(void)
void
NetSetUDPHandler(rxhand_f *f)
{
+ debug_cond(DEBUG_INT_STATE, "--- NetLoop UDP handler set (%p)\n", f);
udpPacketHandler = f;
}
@@ -614,6 +627,7 @@ NetGetARPHandler(void)
void
NetSetARPHandler(rxhand_f *f)
{
+ debug_cond(DEBUG_INT_STATE, "--- NetLoop ARP handler set (%p)\n", f);
arpPacketHandler = f;
}
@@ -628,8 +642,12 @@ void
NetSetTimeout(ulong iv, thand_f *f)
{
if (iv == 0) {
+ debug_cond(DEBUG_INT_STATE,
+ "--- NetLoop timeout handler cancelled\n");
timeHandler = (thand_f *)0;
} else {
+ debug_cond(DEBUG_INT_STATE,
+ "--- NetLoop timeout handler set (%p)\n", f);
timeHandler = f;
timeStart = get_timer(0);
timeDelta = iv;
@@ -640,6 +658,7 @@ NetSetTimeout(ulong iv, thand_f *f)
void
NetSetState(int state)
{
+ debug_cond(DEBUG_INT_STATE, "--- NetState set to %d\n", state);
NetState = state;
}
@@ -681,7 +700,7 @@ NetSendUDPPacket(uchar *ether, IPaddr_t dest, int dport, int sport,
/* if MAC address was not discovered yet, do an ARP request */
if (memcmp(ether, NetEtherNullAddr, 6) == 0) {
- debug("sending ARP for %pI4\n", &dest);
+ debug_cond(DEBUG_DEV_PKT, "sending ARP for %pI4\n", &dest);
/* save the ip and eth addr for the packet to send after arp */
NetArpWaitPacketIP = dest;
@@ -696,7 +715,8 @@ NetSendUDPPacket(uchar *ether, IPaddr_t dest, int dport, int sport,
ArpRequest();
return 1; /* waiting */
} else {
- debug("sending UDP to %pI4/%pM\n", &dest, ether);
+ debug_cond(DEBUG_DEV_PKT, "sending UDP to %pI4/%pM\n",
+ &dest, ether);
NetSendPacket(NetTxPacket, pkt_hdr_size + payload_len);
return 0; /* transmitted */
}
@@ -919,7 +939,7 @@ NetReceive(volatile uchar *inpkt, int len)
#endif
ushort cti = 0, vlanid = VLAN_NONE, myvlanid, mynvlanid;
- debug("packet received\n");
+ debug_cond(DEBUG_NET_PKT, "packet received\n");
NetRxPacket = (uchar *)inpkt;
NetRxPacketLen = len;
@@ -950,8 +970,6 @@ NetReceive(volatile uchar *inpkt, int len)
eth_proto = ntohs(et->et_protlen);
- debug("packet received\n");
-
if (eth_proto < 1514) {
/*
* Got a 802.2 packet. Check the other protocol field.
@@ -969,7 +987,7 @@ NetReceive(volatile uchar *inpkt, int len)
} else { /* VLAN packet */
struct VLAN_Ethernet_t *vet = (struct VLAN_Ethernet_t *)et;
- debug("VLAN packet received\n");
+ debug_cond(DEBUG_NET_PKT, "VLAN packet received\n");
/* too small packet? */
if (len < VLAN_ETHER_HDR_SIZE)
@@ -991,7 +1009,7 @@ NetReceive(volatile uchar *inpkt, int len)
len -= VLAN_ETHER_HDR_SIZE;
}
- debug("Receive from protocol 0x%x\n", eth_proto);
+ debug_cond(DEBUG_NET_PKT, "Receive from protocol 0x%x\n", eth_proto);
#if defined(CONFIG_CMD_CDP)
if (iscdp) {
@@ -1020,7 +1038,7 @@ NetReceive(volatile uchar *inpkt, int len)
break;
#endif
case PROT_IP:
- debug("Got IP\n");
+ debug_cond(DEBUG_NET_PKT, "Got IP\n");
/* Before we start poking the header, make sure it is there */
if (len < IP_UDP_HDR_SIZE) {
debug("len bad %d < %lu\n", len,
@@ -1029,11 +1047,12 @@ NetReceive(volatile uchar *inpkt, int len)
}
/* Check the packet length */
if (len < ntohs(ip->ip_len)) {
- printf("len bad %d < %d\n", len, ntohs(ip->ip_len));
+ debug("len bad %d < %d\n", len, ntohs(ip->ip_len));
return;
}
len = ntohs(ip->ip_len);
- debug("len=%d, v=%02x\n", len, ip->ip_hl_v & 0xff);
+ debug_cond(DEBUG_NET_PKT, "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)
@@ -1043,7 +1062,7 @@ NetReceive(volatile uchar *inpkt, int len)
return;
/* Check the Checksum of the header */
if (!NetCksumOk((uchar *)ip, IP_HDR_SIZE / 2)) {
- puts("checksum bad\n");
+ debug("checksum bad\n");
return;
}
/* If it is not for us, ignore it */
@@ -1092,6 +1111,10 @@ NetReceive(volatile uchar *inpkt, int len)
return;
}
+ debug_cond(DEBUG_DEV_PKT,
+ "received UDP (to=%pI4, from=%pI4, len=%d)\n",
+ &dst_ip, &src_ip, len);
+
#ifdef CONFIG_UDP_CHECKSUM
if (ip->udp_xsum != 0) {
ulong xsum;
diff --git a/net/ping.c b/net/ping.c
index 8332c88..a4fb7b7 100644
--- a/net/ping.c
+++ b/net/ping.c
@@ -11,6 +11,8 @@
#include "ping.h"
#include "arp.h"
+#define DEBUG_DEV_PKT 0
+
static ushort PingSeqNo;
/* The ip address to ping */
@@ -45,7 +47,7 @@ static int PingSend(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;
@@ -95,7 +97,7 @@ void PingReceive(struct Ethernet_t *et, struct IP_UDP_t *ip, int len)
case ICMP_ECHO_REQUEST:
eth_hdr_size = NetUpdateEther(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;
diff --git a/net/rarp.c b/net/rarp.c
index 3097341..edc33ca 100644
--- a/net/rarp.c
+++ b/net/rarp.c
@@ -29,6 +29,9 @@
#include "rarp.h"
#include "tftp.h"
+#define DEBUG_DEV_PKT 0
+#define DEBUG_NET_PKT 0
+
#define TIMEOUT 5000UL /* Milliseconds before trying BOOTP again */
#ifndef CONFIG_NET_RETRY_COUNT
# define TIMEOUT_COUNT 5 /* # of timeouts before giving up */
@@ -46,7 +49,7 @@ RarpReceive(struct IP_UDP_t *ip, unsigned len)
{
struct ARP_t *arp;
- debug("Got RARP\n");
+ debug_cond(DEBUG_NET_PKT, "Got RARP\n");
arp = (struct ARP_t *)ip;
if (len < ARP_HDR_SIZE) {
printf("bad length %d < %d\n", len, ARP_HDR_SIZE);
@@ -64,7 +67,7 @@ RarpReceive(struct IP_UDP_t *ip, unsigned len)
if (NetServerIP == 0)
NetCopyIP(&NetServerIP, &arp->ar_data[6]);
memcpy(NetServerEther, &arp->ar_data[0], 6);
- debug("Got good RARP\n");
+ debug_cond(DEBUG_DEV_PKT, "Got good RARP\n");
net_auto_load();
}
}
--
1.6.0.2
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