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mac80211: move VHT related RX_FLAG to another variable 

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@intel.com>
Acked-by: Kalle Valo <kvalo@qca.qualcomm.com> [ath10k]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Emmanuel Grumbach 2014-02-05 16:37:11 +02:00 коммит произвёл Johannes Berg
Родитель 0059b2b142
Коммит 1b8d242adb
7 изменённых файлов: 34 добавлений и 20 удалений
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4
drivers/net/wireless/ath/ath10k/txrx.c
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@ -204,7 +204,7 @@ static void process_rx_rates(struct ath10k *ar, struct htt_rx_info *info,
break;
/* 80MHZ */
case 2:
status->flag |= RX_FLAG_80MHZ;
status->vht_flag |= RX_VHT_FLAG_80MHZ;
}
status->flag |= RX_FLAG_VHT;
@ -266,7 +266,7 @@ void ath10k_process_rx(struct ath10k *ar, struct htt_rx_info *info)
status->flag & RX_FLAG_HT ? "ht" : "",
status->flag & RX_FLAG_VHT ? "vht" : "",
status->flag & RX_FLAG_40MHZ ? "40" : "",
status->flag & RX_FLAG_80MHZ ? "80" : "",
status->vht_flag & RX_VHT_FLAG_80MHZ ? "80" : "",
status->flag & RX_FLAG_SHORT_GI ? "sgi " : "",
status->rate_idx,
status->vht_nss,

4
drivers/net/wireless/iwlwifi/mvm/rx.c
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@ -364,10 +364,10 @@ 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)

23
include/net/mac80211.h
Просмотреть файл

@ -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),
@ -877,6 +871,21 @@ 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
*
@ -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;

6
net/mac80211/cfg.c
Просмотреть файл

@ -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;
}

9
net/mac80211/rx.c
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@ -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;
}
}

2
net/mac80211/sta_info.h
Просмотреть файл

@ -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];

6
net/mac80211/util.c
Просмотреть файл

@ -2298,11 +2298,11 @@ 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;