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SubjectRe: [patch] netconsole - log kernel messages over the network. 2.4.10.
Great tool Ingo thanks.  Below is a tested tulip patch.
Thanks Andrew for the the inspiration.
Albert
Andrew Morton wrote:
>
> Ookhoi wrote:
> >
>
> What we need is for a bunch of people to implement poll_controller()
> for *their* ethernet driver and contribute the tested diffs
> back to Ingo.
>


/etc/rc.d/rc.netconsole 192.168.1.2
dev=eth0 target_ip=0xC0A80102 source_port=6666 target_port=6666 \
target_eth_byte0=0x00 target_eth_byte1=0x03 target_eth_byte2=0x6D \
target_eth_byte3=0x16 target_eth_byte4=0x51 target_eth_byte5=0xAE
Using /lib/modules/2.4.10/kernel/drivers/net/netconsole.o

~~~~~~~~~~~ DMESG from server ~~~~~~~~~~~~~~~~
Linux version 2.4.10 (root@home1) (gcc version 3.0.1) \
#1 Thu Sep 27 22:28:20 EDT 2001
.......
Linux Tulip driver version 0.9.15-pre6 (July 2, 2001)
eth0: ADMtek Comet rev 17 at 0xdc00, 00:03:6D:16:4E:39, IRQ 10.
.........
netconsole: using network device <eth0>
netconsole: using source IP -64.-88.1.10
netconsole: using target IP -64.-88.1.2
netconsole: using source UDP port: 6666
netconsole: using target UDP port: 6666
netconsole: using target ethernet address 00:03:6d:16:51:ae.
netconsole: network logging started up successfully!
netconsole-client -server 0xc0a8010a -client 0xc0a80102 -port 6666
~~~~~~~~~ Start netconsole-client ~~~~~~~~
displaying netconsole output from server 0xc0a8010a, \
client 0xc0a80102, UDP port 6666.
~~~~~~~~~ Alt-SysRq-s on Server output to client ~~~~~
SysRq : Emergency Sync
Syncing device 08:04 ... OK
Syncing device 08:12 ... OK
Syncing device 08:01 ... OK
Done.
~~~~~~~~~~ PATCH BEGIN ~~~~~~~~~~~~~~~
--- linux/drivers/net/tulip/tulip_core.c.orig Thu Sep 27 21:04:14 2001
+++ linux/drivers/net/tulip/tulip_core.c Thu Sep 27 10:10:15 2001
@@ -243,6 +243,7 @@
static struct net_device_stats *tulip_get_stats(struct net_device *dev);
static int private_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
static void set_rx_mode(struct net_device *dev);
+static void poll_tulip(struct net_device *dev);



@@ -1671,6 +1672,9 @@
dev->get_stats = tulip_get_stats;
dev->do_ioctl = private_ioctl;
dev->set_multicast_list = set_rx_mode;
+#ifdef HAVE_POLL_CONTROLLER
+ dev->poll_controller = &poll_tulip;
+#endif

if (register_netdev(dev))
goto err_out_free_ring;
@@ -1839,6 +1843,24 @@

/* pci_power_off (pdev, -1); */
}
+
+
+#ifdef HAVE_POLL_CONTROLLER
+
+/*
+ * Polling 'interrupt' - used by things like netconsole to send skbs
+ * without having to re-enable interrupts. It's not called while
+ * the interrupt routine is executing.
+ */
+
+static void poll_tulip (struct net_device *dev)
+{
+ disable_irq(dev->irq);
+ tulip_interrupt (dev->irq, dev, NULL);
+ enable_irq(dev->irq);
+}
+
+#endif


static struct pci_driver tulip_driver = {
~~~~~~~~~~ PATCH END ~~~~~~~~~~~~~~~
--
Albert Cranford Deerfield Beach FL USA
ac9410@bellsouth.net

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