static void wl1251_rx_status(struct wl1251 *wl, struct wl1251_rx_descriptor *desc, struct ieee80211_rx_status *status, u8 beacon) { u64 mactime; int ret; memset(status, 0, sizeof(struct ieee80211_rx_status)); status->band = IEEE80211_BAND_2GHZ; status->mactime = desc->timestamp; /* * The rx status timestamp is a 32 bits value while the TSF is a * 64 bits one. * For IBSS merging, TSF is mandatory, so we have to get it * somehow, so we ask for ACX_TSF_INFO. * That could be moved to the get_tsf() hook, but unfortunately, * this one must be atomic, while our SPI routines can sleep. */ if ((wl->bss_type == BSS_TYPE_IBSS) && beacon) { ret = wl1251_acx_tsf_info(wl, &mactime); if (ret == 0) status->mactime = mactime; } status->signal = desc->rssi; /* * FIXME: guessing that snr needs to be divided by two, otherwise * the values don't make any sense */ wl->noise = desc->rssi - desc->snr / 2; status->freq = ieee80211_channel_to_frequency(desc->channel, status->band); status->flag |= RX_FLAG_MACTIME_MPDU; if (desc->flags & RX_DESC_ENCRYPTION_MASK) { status->flag |= RX_FLAG_IV_STRIPPED | RX_FLAG_MMIC_STRIPPED; if (likely(!(desc->flags & RX_DESC_DECRYPT_FAIL))) status->flag |= RX_FLAG_DECRYPTED; if (unlikely(desc->flags & RX_DESC_MIC_FAIL)) status->flag |= RX_FLAG_MMIC_ERROR; } if (unlikely(!(desc->flags & RX_DESC_VALID_FCS))) status->flag |= RX_FLAG_FAILED_FCS_CRC; /* FIXME: set status->rate_idx */ }
static void wl1251_rx_status(struct wl1251 *wl, struct wl1251_rx_descriptor *desc, struct ieee80211_rx_status *status, u8 beacon) { u64 mactime; int ret; memset(status, 0, sizeof(struct ieee80211_rx_status)); status->band = IEEE80211_BAND_2GHZ; status->mactime = desc->timestamp; /* * The rx status timestamp is a 32 bits value while the TSF is a * 64 bits one. * For IBSS merging, TSF is mandatory, so we have to get it * somehow, so we ask for ACX_TSF_INFO. * That could be moved to the get_tsf() hook, but unfortunately, * this one must be atomic, while our SPI routines can sleep. */ if ((wl->bss_type == BSS_TYPE_IBSS) && beacon) { ret = wl1251_acx_tsf_info(wl, &mactime); if (ret == 0) status->mactime = mactime; } status->signal = desc->rssi; /* * FIXME: guessing that snr needs to be divided by two, otherwise * the values don't make any sense */ wl->noise = desc->rssi - desc->snr / 2; status->freq = ieee80211_channel_to_frequency(desc->channel); status->flag |= RX_FLAG_TSFT; if (desc->flags & RX_DESC_ENCRYPTION_MASK) { status->flag |= RX_FLAG_IV_STRIPPED | RX_FLAG_MMIC_STRIPPED; if (likely(!(desc->flags & RX_DESC_DECRYPT_FAIL))) status->flag |= RX_FLAG_DECRYPTED; if (unlikely(desc->flags & RX_DESC_MIC_FAIL)) status->flag |= RX_FLAG_MMIC_ERROR; } 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; } if (desc->mod_pre & SHORT_PREAMBLE_BIT) status->flag |= RX_FLAG_SHORTPRE; }