diff options
| -rw-r--r-- | include/net/mac80211.h | 10 | ||||
| -rw-r--r-- | net/mac80211/main.c | 3 | ||||
| -rw-r--r-- | net/mac80211/rx.c | 6 |
3 files changed, 16 insertions, 3 deletions
diff --git a/include/net/mac80211.h b/include/net/mac80211.h index 60e3766..1937c7d 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -667,6 +667,9 @@ ieee80211_tx_info_clear_status(struct ieee80211_tx_info *info) * @RX_FLAG_SHORT_GI: Short guard interval was used * @RX_FLAG_NO_SIGNAL_VAL: The signal strength value is not present. * Valid only for data frames (mainly A-MPDU) + * @RX_FLAG_HT_GF: This frame was received in a HT-greenfield transmission, if + * the driver fills this value it should add %IEEE80211_RADIOTAP_MCS_HAVE_FMT + * to hw.radiotap_mcs_details to advertise that fact */ enum mac80211_rx_flags { RX_FLAG_MMIC_ERROR = 1<<0, @@ -681,6 +684,7 @@ enum mac80211_rx_flags { RX_FLAG_40MHZ = 1<<10, RX_FLAG_SHORT_GI = 1<<11, RX_FLAG_NO_SIGNAL_VAL = 1<<12, + RX_FLAG_HT_GF = 1<<13, }; /** @@ -1288,6 +1292,11 @@ enum ieee80211_hw_flags { * * @offchannel_tx_hw_queue: HW queue ID to use for offchannel TX * (if %IEEE80211_HW_QUEUE_CONTROL is set) + * + * @radiotap_mcs_details: lists which MCS information can the HW + * reports, by default it is set to _MCS, _GI and _BW but doesn't + * include _FMT. Use %IEEE80211_RADIOTAP_MCS_HAVE_* values, only + * adding _BW is supported today. */ struct ieee80211_hw { struct ieee80211_conf conf; @@ -1309,6 +1318,7 @@ struct ieee80211_hw { u8 max_rx_aggregation_subframes; u8 max_tx_aggregation_subframes; u8 offchannel_tx_hw_queue; + u8 radiotap_mcs_details; }; /** diff --git a/net/mac80211/main.c b/net/mac80211/main.c index b70f7f0..f5548e9 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -596,6 +596,9 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len, local->hw.offchannel_tx_hw_queue = IEEE80211_INVAL_HW_QUEUE; local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; + local->hw.radiotap_mcs_details = IEEE80211_RADIOTAP_MCS_HAVE_MCS | + IEEE80211_RADIOTAP_MCS_HAVE_GI | + IEEE80211_RADIOTAP_MCS_HAVE_BW; local->user_power_level = -1; wiphy->ht_capa_mod_mask = &mac80211_ht_capa_mod_mask; diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index d5ac02f..489093b 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -204,14 +204,14 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local, if (status->flag & RX_FLAG_HT) { rthdr->it_present |= cpu_to_le32(1 << IEEE80211_RADIOTAP_MCS); - *pos++ = IEEE80211_RADIOTAP_MCS_HAVE_MCS | - IEEE80211_RADIOTAP_MCS_HAVE_GI | - IEEE80211_RADIOTAP_MCS_HAVE_BW; + *pos++ = local->hw.radiotap_mcs_details; *pos = 0; if (status->flag & RX_FLAG_SHORT_GI) *pos |= IEEE80211_RADIOTAP_MCS_SGI; if (status->flag & RX_FLAG_40MHZ) *pos |= IEEE80211_RADIOTAP_MCS_BW_40; + if (status->flag & RX_FLAG_HT_GF) + *pos |= IEEE80211_RADIOTAP_MCS_FMT_GF; pos++; *pos++ = status->rate_idx; } |