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: David Gnedt <david.gnedt@davizone.at> Acked-by: Kalle Valo <kvalo@adurom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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@ -96,8 +96,52 @@ static void wl1251_rx_status(struct wl1251 *wl,
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if (unlikely(!(desc->flags & RX_DESC_VALID_FCS)))
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if (unlikely(!(desc->flags & RX_DESC_VALID_FCS)))
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status->flag |= RX_FLAG_FAILED_FCS_CRC;
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status->flag |= RX_FLAG_FAILED_FCS_CRC;
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switch (desc->rate) {
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/* skip 1 and 12 Mbps because they have same value 0x0a */
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case RATE_2MBPS:
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status->rate_idx = 1;
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break;
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case RATE_5_5MBPS:
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status->rate_idx = 2;
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break;
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case RATE_11MBPS:
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status->rate_idx = 3;
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break;
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case RATE_6MBPS:
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status->rate_idx = 4;
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break;
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case RATE_9MBPS:
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status->rate_idx = 5;
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break;
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case RATE_18MBPS:
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status->rate_idx = 7;
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break;
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case RATE_24MBPS:
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status->rate_idx = 8;
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break;
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case RATE_36MBPS:
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status->rate_idx = 9;
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break;
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case RATE_48MBPS:
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status->rate_idx = 10;
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break;
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case RATE_54MBPS:
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status->rate_idx = 11;
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break;
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}
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/* FIXME: set status->rate_idx */
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/* for 1 and 12 Mbps we have to check the modulation */
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if (desc->rate == RATE_1MBPS) {
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if (!(desc->mod_pre & OFDM_RATE_BIT))
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/* CCK -> RATE_1MBPS */
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status->rate_idx = 0;
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else
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/* OFDM -> RATE_12MBPS */
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status->rate_idx = 6;
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}
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if (desc->mod_pre & SHORT_PREAMBLE_BIT)
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status->flag |= RX_FLAG_SHORTPRE;
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}
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}
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static void wl1251_rx_body(struct wl1251 *wl,
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static void wl1251_rx_body(struct wl1251 *wl,
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