[WIP] enable WMM in the hope that this allows NULL packets

[Dan Williams]

On Tue, 2007-07-03 at 10:33 +0200, Holger Schurig wrote:
> cozy-me said in IRC that maybe I had to enable WMM. This patch tries that.
> 
> On the CF card, I actually got a card status event, saying "WMM status
> changed". Which I ignored so far. It is believed by cozy-me that
> enabling WMM might allow null-packets

Did you get nothing on the USB 8388, and if so, what firmware?

Dan

> 
> --- libertas-2.6.orig/drivers/net/wireless/libertas/host.h
> +++ libertas-2.6/drivers/net/wireless/libertas/host.h
> @@ -168,6 +168,7 @@
>  #define CMD_ACT_MAC_PROMISCUOUS_ENABLE      0x0080
>  #define CMD_ACT_MAC_ALL_MULTICAST_ENABLE    0x0100
>  #define CMD_ACT_MAC_STRICT_PROTECTION_ENABLE  0x0400
> +#define CMD_ACT_MAC_WMM_ON                  0x0800
>  
>  /* Define action or option for CMD_802_11_RADIO_CONTROL */
>  #define CMD_TYPE_AUTO_PREAMBLE              0x0001
> @@ -276,6 +277,7 @@
>  #define MACREG_INT_CODE_MIC_ERR_UNICAST         0x0000000e
>  #define MACREG_INT_CODE_WM_AWAKE                0x0000000f
>  #define MACREG_INT_CODE_ADHOC_BCN_LOST          0x00000011
> +#define MACREG_INT_CODE_WMM_STATUS_CHANGED	0x00000017
>  #define MACREG_INT_CODE_RSSI_LOW		0x00000019
>  #define MACREG_INT_CODE_SNR_LOW			0x0000001a
>  #define MACREG_INT_CODE_MAX_FAIL		0x0000001b
> --- libertas-2.6.orig/drivers/net/wireless/libertas/main.c
> +++ libertas-2.6/drivers/net/wireless/libertas/main.c
> @@ -1046,7 +1046,7 @@
>  	adapter->surpriseremoved = 0;
>  
>  	adapter->currentpacketfilter =
> -	    CMD_ACT_MAC_RX_ON | CMD_ACT_MAC_TX_ON;
> +	    CMD_ACT_MAC_RX_ON | CMD_ACT_MAC_TX_ON | CMD_ACT_MAC_WMM_ON;
>  
>  	adapter->radioon = RADIO_ON;
>  	adapter->txantenna = RF_ANTENNA_2;
> --- libertas-2.6.orig/drivers/net/wireless/libertas/cmdresp.c
> +++ libertas-2.6/drivers/net/wireless/libertas/cmdresp.c
> @@ -1016,9 +1016,11 @@
>  		adapter->mode = IW_MODE_ADHOC ;
>  		schedule_work(&priv->sync_channel);
>  		break;
> -
> +	case MACREG_INT_CODE_WMM_STATUS_CHANGED:
> +		/* Ignore this for now */
> +		break;
>  	default:
> -		lbs_pr_alert("EVENT: unknown event id 0x%04x\n",
> +		lbs_pr_alert("EVENT: unknown id 0x%04x\n",
>  		       eventcause >> SBI_EVENT_CAUSE_SHIFT);
>  		break;
>  	}
> 
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