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Re: [PATCH 11/16] wl1251: enable tx path in monitor mode if necessary for packet injection

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Hi!
> 
> If necessary enable the tx path in monitor mode for packet injection using
> the JOIN command with BSS_TYPE_STA_BSS and zero BSSID.
> 
> Signed-off-by: David Gnedt <david.gnedt@xxxxxxxxxxx>
> ---
>  drivers/net/wireless/ti/wl1251/main.c   |    5 +++++
>  drivers/net/wireless/ti/wl1251/tx.c     |   17 +++++++++++++++++
>  drivers/net/wireless/ti/wl1251/wl1251.h |    1 +
>  3 files changed, 23 insertions(+)
> 
> diff --git a/drivers/net/wireless/ti/wl1251/main.c b/drivers/net/wireless/ti/wl1251/main.c
> diff --git a/drivers/net/wireless/ti/wl1251/tx.c b/drivers/net/wireless/ti/wl1251/tx.c
> index 3cc82fd..1de4ccb 100644
> --- a/drivers/net/wireless/ti/wl1251/tx.c
> +++ b/drivers/net/wireless/ti/wl1251/tx.c
> @@ -28,6 +28,7 @@
>  #include "tx.h"
>  #include "ps.h"
>  #include "io.h"
> +#include "event.h"
>  
>  static bool wl1251_tx_double_buffer_busy(struct wl1251 *wl, u32 data_out_count)
>  {
> @@ -298,6 +299,22 @@ static int wl1251_tx_frame(struct wl1251 *wl, struct sk_buff *skb)
>  		}
>  	}
>  
> +	/* Enable tx path in monitor mode for packet injection */
> +	if ((wl->vif == NULL) && !wl->joined) {
> +		ret = wl1251_cmd_join(wl, BSS_TYPE_STA_BSS, wl->channel,
> +				      wl->beacon_int, wl->dtim_period);
> +		if (ret < 0)
> +			wl1251_warning("join failed");
> +		else {
> +			ret = wl1251_event_wait(wl, JOIN_EVENT_COMPLETE_ID,
> +						100);
> +			if (ret < 0)
> +				wl1251_warning("join timeout");
> +			else
> +				wl->joined = true;
> +		}
> +	}

Create function enable_tx_for_packet_injection() and then just return
so that you don't have to nest ifs?

Thanks,
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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