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* [PATCH] Documentation: add a guideline for hard_start_xmit method not to modify SKB
@ 2007-12-22 17:22 Matti Linnanvuori
  2008-01-12 22:27 ` Jeff Garzik
  0 siblings, 1 reply; 2+ messages in thread
From: Matti Linnanvuori @ 2007-12-22 17:22 UTC (permalink / raw)
  To: jgarzik, netdev

From: Matti Linnanvuori <mattilinnanvuori@yahoo.com>

Add a guideline for hard_start_xmit method not to
modify SKB.

Signed-off-by: Matti Linnanvuori
<mattilinnanvuori@yahoo.com>

---


--- a/Documentation/networking/driver.txt	2007-12-22
18:50:28.062169500 +0200
+++ b/Documentation/networking/driver.txt	2007-12-22
19:10:58.726566000 +0200

@@ -74,6 +74,9 @@ Transmit path guidelines:
    If you return 1 from the hard_start_xmit method,
you must not keep
    any reference to that SKB and you must not attempt
to free it up.
 
+4) A hard_start_xmit method must not modify the
cloned parts of the
+   SKB.
+
 Probing guidelines:
 
 1) Any hardware layer address you obtain for your
device should



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^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: [PATCH] Documentation: add a guideline for hard_start_xmit method not to modify SKB
  2007-12-22 17:22 [PATCH] Documentation: add a guideline for hard_start_xmit method not to modify SKB Matti Linnanvuori
@ 2008-01-12 22:27 ` Jeff Garzik
  0 siblings, 0 replies; 2+ messages in thread
From: Jeff Garzik @ 2008-01-12 22:27 UTC (permalink / raw)
  To: Matti Linnanvuori; +Cc: netdev

Matti Linnanvuori wrote:
> From: Matti Linnanvuori <mattilinnanvuori@yahoo.com>
> 
> Add a guideline for hard_start_xmit method not to
> modify SKB.
> 
> Signed-off-by: Matti Linnanvuori
> <mattilinnanvuori@yahoo.com>
> 
> ---
> 
> 
> --- a/Documentation/networking/driver.txt	2007-12-22
> 18:50:28.062169500 +0200
> +++ b/Documentation/networking/driver.txt	2007-12-22
> 19:10:58.726566000 +0200
> 
> @@ -74,6 +74,9 @@ Transmit path guidelines:
>     If you return 1 from the hard_start_xmit method,
> you must not keep
>     any reference to that SKB and you must not attempt
> to free it up.
>  
> +4) A hard_start_xmit method must not modify the
> cloned parts of the
> +   SKB.
> +
>  Probing guidelines:
>  
>  1) Any hardware layer address you obtain for your
> device should
> 

patch is word-wrapped



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