Commit 73b30dfe authored by David Gnedt's avatar David Gnedt Committed by John W. Linville
Browse files

wl1251: set rate index and preamble flag on received packets 



Set the rate index rate_idx and preamble flag RX_FLAG_SHORTPRE on received
packets.

Signed-off-by: default avatarDavid Gnedt <david.gnedt@davizone.at>
Acked-by: default avatarKalle Valo <kvalo@adurom.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 43d13644

drivers/net/wireless/wl1251/rx.c

+45 −1
Original line number Diff line number Diff line
@@ -96,8 +96,52 @@ static void wl1251_rx_status(struct wl1251 *wl, 
	if (unlikely(!(desc->flags & RX_DESC_VALID_FCS)))

		status->flag |= RX_FLAG_FAILED_FCS_CRC;



	switch (desc->rate) {

		/* skip 1 and 12 Mbps because they have same value 0x0a */

	case RATE_2MBPS:

		status->rate_idx = 1;

		break;

	case RATE_5_5MBPS:

		status->rate_idx = 2;

		break;

	case RATE_11MBPS:

		status->rate_idx = 3;

		break;

	case RATE_6MBPS:

		status->rate_idx = 4;

		break;

	case RATE_9MBPS:

		status->rate_idx = 5;

		break;

	case RATE_18MBPS:

		status->rate_idx = 7;

		break;

	case RATE_24MBPS:

		status->rate_idx = 8;

		break;

	case RATE_36MBPS:

		status->rate_idx = 9;

		break;

	case RATE_48MBPS:

		status->rate_idx = 10;

		break;

	case RATE_54MBPS:

		status->rate_idx = 11;

		break;

	}



	/* for 1 and 12 Mbps we have to check the modulation */

	if (desc->rate == RATE_1MBPS) {

		if (!(desc->mod_pre & OFDM_RATE_BIT))

			/* CCK -> RATE_1MBPS */

			status->rate_idx = 0;

		else

			/* OFDM -> RATE_12MBPS */

			status->rate_idx = 6;

	}



	/* FIXME: set status->rate_idx */

	if (desc->mod_pre & SHORT_PREAMBLE_BIT)

		status->flag |= RX_FLAG_SHORTPRE;

}



static void wl1251_rx_body(struct wl1251 *wl,