netdev - Re: [PATCH] Add a network activity LED trigger

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Wed, 18 Jul 2007 15:33:57 +0200
From:	Patrick McHardy <kaber@...sh.net>
To:	Florian Fainelli <florian.fainelli@...ecomint.eu>
CC:	netdev@...r.kernel.org, rpurdie@...ys.net
Subject: Re: [PATCH] Add a network activity LED trigger

Florian Fainelli wrote:
> diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
> index 87d2046..fdc5a8a 100644
> --- a/drivers/leds/Kconfig
> +++ b/drivers/leds/Kconfig
> @@ -128,5 +128,12 @@ config LEDS_TRIGGER_HEARTBEAT
>  	  load average.
>  	  If unsure, say Y.
>  
> +config LEDS_TRIGGER_NETWORK_ACT
> +	tristate "LED Network Activity Trigger"


Module isn't possible, you call the led trigger from net/core/dev.c.


> diff --git a/net/core/dev.c b/net/core/dev.c
> index ee051bb..a3a4115 100644
> --- a/net/core/dev.c
> +++ b/net/core/dev.c
> @@ -117,6 +117,7 @@
>  #include <linux/err.h>
>  #include <linux/ctype.h>
>  #include <linux/if_arp.h>
> +#include <linux/leds.h>
>  
>  /*
>   *	The list of packet types we will receive (as opposed to discard)
> @@ -1523,6 +1524,7 @@ gso:
>  	 * stops preemption for RCU.
>  	 */
>  	rcu_read_lock_bh();
> +	ledtrig_network_activity();


Besides missing a declaration and not linking without the network
LED config option, its pretty ridiculous to call this for every
packet just to make a led blink.

-
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html