C++ (Cpp) wl1271_rate_to_idx Beispiele

Beispiel #1

Datei: wl1271_rx.c Projekt: Medvedroid/OT_903D-kernel-2.6.35.7

static void wl1271_rx_status(struct wl1271 *wl,
			     struct wl1271_rx_descriptor *desc,
			     struct ieee80211_rx_status *status,
			     u8 beacon)
{
	memset(status, 0, sizeof(struct ieee80211_rx_status));

	status->band = wl->band;
	status->rate_idx = wl1271_rate_to_idx(wl, desc->rate);

	/*
	 * FIXME: Add mactime handling.  For IBSS (ad-hoc) we need to get the
	 * timestamp from the beacon (acx_tsf_info).  In BSS mode (infra) we
	 * only need the mactime for monitor mode.  For now the mactime is
	 * not valid, so RX_FLAG_TSFT should not be set
	 */
	status->signal = desc->rssi;

	status->freq = ieee80211_channel_to_frequency(desc->channel);

	if (desc->flags & WL1271_RX_DESC_ENCRYPT_MASK) {
		status->flag |= RX_FLAG_IV_STRIPPED | RX_FLAG_MMIC_STRIPPED;

		if (likely(!(desc->status & WL1271_RX_DESC_DECRYPT_FAIL)))
			status->flag |= RX_FLAG_DECRYPTED;
		if (unlikely(desc->status & WL1271_RX_DESC_MIC_FAIL))
			status->flag |= RX_FLAG_MMIC_ERROR;
	}
}

Beispiel #2

Datei: rx.c Projekt: Meticulus/vendor_st-ericsson_u8500

static void wl1271_rx_status(struct wl1271 *wl,
			     struct wl1271_rx_descriptor *desc,
			     struct ieee80211_rx_status *status,
			     u8 beacon)
{
	enum ieee80211_band desc_band;

	memset(status, 0, sizeof(struct ieee80211_rx_status));

	status->band = wl->band;

	if ((desc->flags & WL1271_RX_DESC_BAND_MASK) == WL1271_RX_DESC_BAND_BG)
		desc_band = IEEE80211_BAND_2GHZ;
	else
		desc_band = IEEE80211_BAND_5GHZ;

	status->rate_idx = wl1271_rate_to_idx(desc->rate, desc_band);

#ifdef CONFIG_WL12XX_HT
	/* 11n support */
	if (desc->rate <= CONF_HW_RXTX_RATE_MCS0)
		status->flag |= RX_FLAG_HT;
#endif

	status->signal = desc->rssi;

	/*
	 * FIXME: In wl1251, the SNR should be divided by two.  In wl1271 we
	 * need to divide by two for now, but TI has been discussing about
	 * changing it.  This needs to be rechecked.
	 */
	wl->noise = desc->rssi - (desc->snr >> 1);

	status->freq = ieee80211_channel_to_frequency(desc->channel, desc_band);

	if (desc->flags & WL1271_RX_DESC_ENCRYPT_MASK) {
		status->flag |= RX_FLAG_IV_STRIPPED | RX_FLAG_MMIC_STRIPPED;

		if (likely(!(desc->status & WL1271_RX_DESC_DECRYPT_FAIL)))
			status->flag |= RX_FLAG_DECRYPTED;
		if (unlikely(desc->status & WL1271_RX_DESC_MIC_FAIL))
			status->flag |= RX_FLAG_MMIC_ERROR;
	}
}

Beispiel #3

Datei: rx.c Projekt: romanbb/android_kernel_lge_d851

static void wl1271_rx_status(struct wl1271 *wl,
			     struct wl1271_rx_descriptor *desc,
			     struct ieee80211_rx_status *status,
			     u8 beacon)
{
	memset(status, 0, sizeof(struct ieee80211_rx_status));

	if ((desc->flags & WL1271_RX_DESC_BAND_MASK) == WL1271_RX_DESC_BAND_BG)
		status->band = IEEE80211_BAND_2GHZ;
	else
		status->band = IEEE80211_BAND_5GHZ;

	status->rate_idx = wl1271_rate_to_idx(desc->rate, status->band);

	/*             */
	if (desc->rate <= CONF_HW_RXTX_RATE_MCS0)
		status->flag |= RX_FLAG_HT;

	status->signal = desc->rssi;

	/*
                                                                     
                                                                   
                                             
  */
	wl->noise = desc->rssi - (desc->snr >> 1);

	status->freq = ieee80211_channel_to_frequency(desc->channel,
						      status->band);

	if (desc->flags & WL1271_RX_DESC_ENCRYPT_MASK) {
		u8 desc_err_code = desc->status & WL1271_RX_DESC_STATUS_MASK;

		status->flag |= RX_FLAG_IV_STRIPPED | RX_FLAG_MMIC_STRIPPED |
				RX_FLAG_DECRYPTED;

		if (unlikely(desc_err_code == WL1271_RX_DESC_MIC_FAIL)) {
			status->flag |= RX_FLAG_MMIC_ERROR;
			wl1271_warning("Michael MIC error");
		}
	}
}