# Re: \[RFC 2.6.10 1/22\] xfrm: Add direction information to xfrm\_state

- From: Jan-Benedict Glaw \<jbglaw@lug-owl.de\>
- Date: 2004-12-30 09:48:43 
- List: netdev
- Page: https://ratatoskr.run/netdev/2004/12/698232
- Thread: https://ratatoskr.run/lkml/2004/12/698207/t.md

```text
On Thu, 2004-12-30 03:48:34 -0500, David Dillow [ref]
wrote in message [ref]:
> diff -Nru a/include/net/xfrm.h b/include/net/xfrm.h
> --- a/include/net/xfrm.h	2004-12-30 01:12:08 -05:00
> +++ b/include/net/xfrm.h	2004-12-30 01:12:08 -05:00
> @@ -146,6 +146,9 @@
>  	/* Private data of this transformer, format is opaque,
>  	 * interpreted by xfrm_type methods. */
>  	void			*data;
> +
> +	/* Intended direction of this state, used for offloading */
> +	int			dir;
>  };
>  
>  enum {
> @@ -157,6 +160,12 @@
>  	XFRM_STATE_DEAD
>  };
>  
> +enum {
> +	XFRM_STATE_DIR_UNKNOWN,
> +	XFRM_STATE_DIR_IN,
> +	XFRM_STATE_DIR_OUT,
> +};

Any specific reason to first define such a nice enum and then using int
in the struct?

MfG, JBG

-- 
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```

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