Re: [PATCH 4/7] ieee80211: Add IEEE80211_API_VERSION macro

[Dan Williams <dcbw@redhat.com>]

On Mon, 2006-08-21 at 11:33 +0800, Zhu Yi wrote:
> Add IEEE80211_API_VERSION macro so that drivers are able to check it
> during compile time. This feature is useful to make backward IEEE80211
> compatibilities for wireless drivers.

Per my other mail, what exactly has changed and must be checked?  The
SIOCGIWFREQ stuff?

Dan

> Signed-off-by: Zhu Yi <yi.zhu@intel.com>
> 
> ---
> 
>  include/net/ieee80211.h |   12 +++++++++++-
>  1 files changed, 11 insertions(+), 1 deletions(-)
> 
> 29be0803256136011dd5c3b62e3eb9f782e57dbd
> diff --git a/include/net/ieee80211.h b/include/net/ieee80211.h
> index b174ebb..83e06aa 100644
> --- a/include/net/ieee80211.h
> +++ b/include/net/ieee80211.h
> @@ -29,7 +29,17 @@
>  #include <linux/kernel.h>	/* ARRAY_SIZE */
>  #include <linux/wireless.h>
>  
> -#define IEEE80211_VERSION "git-1.1.13"
> +#define IEEE80211_VERSION_MAJOR 1
> +#define IEEE80211_VERSION_API 2
> +#define IEEE80211_VERSION_MINOR 15
> +#define IEEE80211_VERSION_CODE IEEE80211_VERSION_MAJOR * 65536 + \
> +			       IEEE80211_VERSION_API * 256 + \
> +			       IEEE80211_VERSION_MINOR
> +#define _STRX(x) #x
> +#define _VERSION_STR(a,b,c) _STRX(a) "." _STRX(b) "." _STRX(c)
> +#define IEEE80211_VERSION _VERSION_STR(IEEE80211_VERSION_MAJOR,\
> +				       IEEE80211_VERSION_API, \
> +				       IEEE80211_VERSION_MINOR)
>  
>  #define IEEE80211_DATA_LEN		2304
>  /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section