ieee80211_rx_status.flags is full. Define a new vht_flag
variable to be able to set more VHT related flags and make
room in flags.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx>
---
drivers/net/wireless/iwlwifi/mvm/rx.c | 4 ++--
include/net/mac80211.h | 23 +++++++++++++++++------
net/mac80211/cfg.c | 6 +++---
net/mac80211/rx.c | 9 +++++----
net/mac80211/sta_info.h | 2 ++
net/mac80211/util.c | 6 +++---
6 files changed, 32 insertions(+), 18 deletions(-)
diff --git a/drivers/net/wireless/iwlwifi/mvm/rx.c b/drivers/net/wireless/iwlwifi/mvm/rx.c
index ef727df..fa3c139 100644
--- a/drivers/net/wireless/iwlwifi/mvm/rx.c
+++ b/drivers/net/wireless/iwlwifi/mvm/rx.c
@@ -358,10 +358,10 @@ int iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
rx_status.flag |= RX_FLAG_40MHZ;
break;
case RATE_MCS_CHAN_WIDTH_80:
- rx_status.flag |= RX_FLAG_80MHZ;
+ rx_status.vht_flag |= RX_VHT_FLAG_80MHZ;
break;
case RATE_MCS_CHAN_WIDTH_160:
- rx_status.flag |= RX_FLAG_160MHZ;
+ rx_status.vht_flag |= RX_VHT_FLAG_160MHZ;
break;
}
if (rate_n_flags & RATE_MCS_SGI_MSK)
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index cef0f38..83137fb 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -808,9 +808,6 @@ ieee80211_tx_info_clear_status(struct ieee80211_tx_info *info)
* @RX_FLAG_HT: HT MCS was used and rate_idx is MCS index
* @RX_FLAG_VHT: VHT MCS was used and rate_index is MCS index
* @RX_FLAG_40MHZ: HT40 (40 MHz) was used
- * @RX_FLAG_80MHZ: 80 MHz was used
- * @RX_FLAG_80P80MHZ: 80+80 MHz was used
- * @RX_FLAG_160MHZ: 160 MHz was used
* @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)
@@ -866,9 +863,6 @@ enum mac80211_rx_flags {
RX_FLAG_AMPDU_DELIM_CRC_KNOWN = BIT(20),
RX_FLAG_MACTIME_END = BIT(21),
RX_FLAG_VHT = BIT(22),
- RX_FLAG_80MHZ = BIT(23),
- RX_FLAG_80P80MHZ = BIT(24),
- RX_FLAG_160MHZ = BIT(25),
RX_FLAG_STBC_MASK = BIT(26) | BIT(27),
RX_FLAG_10MHZ = BIT(28),
RX_FLAG_5MHZ = BIT(29),
@@ -878,6 +872,21 @@ enum mac80211_rx_flags {
#define RX_FLAG_STBC_SHIFT 26
/**
+ * enum mac80211_rx_vht_flags - receive VHT flags
+ *
+ * These flags are used with the @vht_flag member of
+ * &struct ieee80211_rx_status.
+ * @RX_VHT_FLAG_80MHZ: 80 MHz was used
+ * @RX_VHT_FLAG_80P80MHZ: 80+80 MHz was used
+ * @RX_VHT_FLAG_160MHZ: 160 MHz was used
+ */
+enum mac80211_rx_vht_flags {
+ RX_VHT_FLAG_80MHZ = BIT(0),
+ RX_VHT_FLAG_80P80MHZ = BIT(1),
+ RX_VHT_FLAG_160MHZ = BIT(2),
+};
+
+/**
* struct ieee80211_rx_status - receive status
*
* The low-level driver should provide this information (the subset
@@ -902,6 +911,7 @@ enum mac80211_rx_flags {
* HT or VHT is used (%RX_FLAG_HT/%RX_FLAG_VHT)
* @vht_nss: number of streams (VHT only)
* @flag: %RX_FLAG_*
+ * @vht_flag: %RX_VHT_FLAG_*
* @rx_flags: internal RX flags for mac80211
* @ampdu_reference: A-MPDU reference number, must be a different value for
* each A-MPDU but the same for each subframe within one A-MPDU
@@ -913,6 +923,7 @@ struct ieee80211_rx_status {
u32 ampdu_reference;
u32 flag;
u16 freq;
+ u8 vht_flag;
u8 rate_idx;
u8 vht_nss;
u8 rx_flags;
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index e410dff..6fd7bcc 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -451,11 +451,11 @@ void sta_set_rate_info_rx(struct sta_info *sta, struct rate_info *rinfo)
rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI)
rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
- if (sta->last_rx_rate_flag & RX_FLAG_80MHZ)
+ if (sta->last_rx_rate_vht_flag & RX_VHT_FLAG_80MHZ)
rinfo->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
- if (sta->last_rx_rate_flag & RX_FLAG_80P80MHZ)
+ if (sta->last_rx_rate_vht_flag & RX_VHT_FLAG_80P80MHZ)
rinfo->flags |= RATE_INFO_FLAGS_80P80_MHZ_WIDTH;
- if (sta->last_rx_rate_flag & RX_FLAG_160MHZ)
+ if (sta->last_rx_rate_vht_flag & RX_VHT_FLAG_160MHZ)
rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
}
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 5dc0661..72ed9ef 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -321,7 +321,7 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local,
rthdr->it_present |= cpu_to_le32(1 << IEEE80211_RADIOTAP_VHT);
/* known field - how to handle 80+80? */
- if (status->flag & RX_FLAG_80P80MHZ)
+ if (status->vht_flag & RX_VHT_FLAG_80P80MHZ)
known &= ~IEEE80211_RADIOTAP_VHT_KNOWN_BANDWIDTH;
put_unaligned_le16(known, pos);
pos += 2;
@@ -330,11 +330,11 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local,
*pos |= IEEE80211_RADIOTAP_VHT_FLAG_SGI;
pos++;
/* bandwidth */
- if (status->flag & RX_FLAG_80MHZ)
+ if (status->vht_flag & RX_VHT_FLAG_80MHZ)
*pos++ = 4;
- else if (status->flag & RX_FLAG_80P80MHZ)
+ else if (status->vht_flag & RX_VHT_FLAG_80P80MHZ)
*pos++ = 0; /* marked not known above */
- else if (status->flag & RX_FLAG_160MHZ)
+ else if (status->vht_flag & RX_VHT_FLAG_160MHZ)
*pos++ = 11;
else if (status->flag & RX_FLAG_40MHZ)
*pos++ = 1;
@@ -1218,6 +1218,7 @@ ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx)
if (ieee80211_is_data(hdr->frame_control)) {
sta->last_rx_rate_idx = status->rate_idx;
sta->last_rx_rate_flag = status->flag;
+ sta->last_rx_rate_vht_flag = status->vht_flag;
sta->last_rx_rate_vht_nss = status->vht_nss;
}
}
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index 49f2aa3..63d7fb4 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -261,6 +261,7 @@ struct ieee80211_tx_latency_stat {
* "the" transmit rate
* @last_rx_rate_idx: rx status rate index of the last data packet
* @last_rx_rate_flag: rx status flag of the last data packet
+ * @last_rx_rate_vht_flag: rx status vht flag of the last data packet
* @last_rx_rate_vht_nss: rx status nss of last data packet
* @lock: used for locking all fields that require locking, see comments
* in the header file.
@@ -397,6 +398,7 @@ struct sta_info {
struct ieee80211_tx_rate last_tx_rate;
int last_rx_rate_idx;
u32 last_rx_rate_flag;
+ u32 last_rx_rate_vht_flag;
u8 last_rx_rate_vht_nss;
u16 tid_seq[IEEE80211_QOS_CTL_TID_MASK + 1];
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index bc0b2b2..38813ed 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -2300,11 +2300,11 @@ u64 ieee80211_calculate_rx_timestamp(struct ieee80211_local *local,
ri.nss = status->vht_nss;
if (status->flag & RX_FLAG_40MHZ)
ri.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
- if (status->flag & RX_FLAG_80MHZ)
+ if (status->vht_flag & RX_VHT_FLAG_80MHZ)
ri.flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
- if (status->flag & RX_FLAG_80P80MHZ)
+ if (status->vht_flag & RX_VHT_FLAG_80P80MHZ)
ri.flags |= RATE_INFO_FLAGS_80P80_MHZ_WIDTH;
- if (status->flag & RX_FLAG_160MHZ)
+ if (status->vht_flag & RX_VHT_FLAG_160MHZ)
ri.flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
if (status->flag & RX_FLAG_SHORT_GI)
ri.flags |= RATE_INFO_FLAGS_SHORT_GI;
--
1.8.3.2
--
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