From: Johannes Berg <johannes.berg@xxxxxxxxx>
Expose the trigger-based PPDU SIG-A bandwidth to radiotap in
the newly defined bits thereof.
Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
Signed-off-by: Luca Coelho <luciano.coelho@xxxxxxxxx>
---
drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c | 21 +++++++++++++------
include/net/ieee80211_radiotap.h | 6 ++++++
2 files changed, 21 insertions(+), 6 deletions(-)
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
index b5ff3325c1d3..d2728fe6a041 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
@@ -960,6 +960,7 @@ iwl_mvm_decode_he_phy_ru_alloc(struct iwl_mvm_rx_phy_data *phy_data,
* the TSF/timers are not be transmitted in HE-MU.
*/
u8 ru = le32_get_bits(phy_data->d1, IWL_RX_PHY_DATA1_HE_RU_ALLOC_MASK);
+ u32 he_type = rate_n_flags & RATE_MCS_HE_TYPE_MSK;
u8 offs = 0;
rx_status->bw = RATE_INFO_BW_HE_RU;
@@ -1002,19 +1003,27 @@ iwl_mvm_decode_he_phy_ru_alloc(struct iwl_mvm_rx_phy_data *phy_data,
he->data2 |=
cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA2_PRISEC_80_SEC);
- if (he_mu) {
#define CHECK_BW(bw) \
BUILD_BUG_ON(IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW_ ## bw ## MHZ != \
+ RATE_MCS_CHAN_WIDTH_##bw >> RATE_MCS_CHAN_WIDTH_POS); \
+ BUILD_BUG_ON(IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW_ ## bw ## MHZ != \
RATE_MCS_CHAN_WIDTH_##bw >> RATE_MCS_CHAN_WIDTH_POS)
- CHECK_BW(20);
- CHECK_BW(40);
- CHECK_BW(80);
- CHECK_BW(160);
+ CHECK_BW(20);
+ CHECK_BW(40);
+ CHECK_BW(80);
+ CHECK_BW(160);
+
+ if (he_mu)
he_mu->flags2 |=
le16_encode_bits(FIELD_GET(RATE_MCS_CHAN_WIDTH_MSK,
rate_n_flags),
IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW);
- }
+ else if (he_type == RATE_MCS_HE_TYPE_TRIG)
+ he->data6 |=
+ cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW_KNOWN) |
+ le16_encode_bits(FIELD_GET(RATE_MCS_CHAN_WIDTH_MSK,
+ rate_n_flags),
+ IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW);
}
static void iwl_mvm_decode_he_phy_data(struct iwl_mvm *mvm,
diff --git a/include/net/ieee80211_radiotap.h b/include/net/ieee80211_radiotap.h
index 8014153bdd49..38c48bb80439 100644
--- a/include/net/ieee80211_radiotap.h
+++ b/include/net/ieee80211_radiotap.h
@@ -291,6 +291,12 @@ enum ieee80211_radiotap_he_bits {
IEEE80211_RADIOTAP_HE_DATA6_NSTS = 0x000f,
IEEE80211_RADIOTAP_HE_DATA6_DOPPLER = 0x0010,
+ IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW_KNOWN = 0x0020,
+ IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW = 0x00c0,
+ IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW_20MHZ = 0,
+ IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW_40MHZ = 1,
+ IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW_80MHZ = 2,
+ IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW_160MHZ = 3,
IEEE80211_RADIOTAP_HE_DATA6_TXOP = 0x7f00,
IEEE80211_RADIOTAP_HE_DATA6_MIDAMBLE_PDCTY = 0x8000,
};
--
2.20.1
