On Thu,  8 Jun 2006 09:49:07 +0200 (CEST), Jiri Benc wrote:
> ieee80211_local has a separate class_device. That means it has reference
> counting independent of master net_device and can be freed at a different
> time, therefore these two structures cannot be allocated together.
> 
> Solve this by adding ieee80211_ptr pointer to net_device structure (similar
> to other pointers already presented there) and using it as a pointer to
> independently allocated ieee80211_local.

I suppose approval from Dave will be needed for adding that pointer to
net_device, right?

> [...]
>  include/linux/netdevice.h    |    1 
>  net/d80211/ieee80211.c       |  100 
> +++++++++++++++++++++---------------------
>  net/d80211/ieee80211_dev.c   |   17 +++++++
>  net/d80211/ieee80211_i.h     |    9 +++-
>  net/d80211/ieee80211_iface.c |   20 ++++----
>  net/d80211/ieee80211_ioctl.c |   92 +++++++++++++++++++--------------------
>  net/d80211/ieee80211_proc.c  |    6 +--
>  net/d80211/ieee80211_scan.c  |   10 ++--
>  net/d80211/ieee80211_sta.c   |   58 ++++++++++++------------
>  net/d80211/ieee80211_sysfs.c |   26 ++++++++---
>  net/d80211/rate_control.c    |    4 +-
>  net/d80211/rate_control.h    |    4 +-
>  net/d80211/wme.c             |   26 +++++------
>  13 files changed, 206 insertions(+), 167 deletions(-)
> 
> [...]
> --- a/include/linux/netdevice.h
> +++ b/include/linux/netdevice.h
> @@ -371,6 +371,7 @@ #define NETIF_F_UFO             8192    
>       void                    *ip6_ptr;       /* IPv6 specific data */
>       void                    *ec_ptr;        /* Econet specific data */
>       void                    *ax25_ptr;      /* AX.25 specific data */
> +     void                    *ieee80211_ptr; /* IEEE 802.11 specific data */
>  
>  /*
>   * Cache line mostly used on receive path (including eth_type_trans())
> [...]

Thanks,

-- 
Jiri Benc
SUSE Labs
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