mac80211: minstrel: Enable STBC and LDPC for VHT Rates
If peer support reception of STBC and LDPC, enable them for better performance. Signed-off-by: Chaitanya TK <chaitanya.mgit@gmail.com> Signed-off-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: Johannes Berg <johannes.berg@intel.com>hifive-unleashed-5.1
parent
42dca5ef24
commit
f458e832ba
|
@ -1670,6 +1670,7 @@ struct ieee80211_mu_edca_param_set {
|
||||||
#define IEEE80211_VHT_CAP_RXSTBC_3 0x00000300
|
#define IEEE80211_VHT_CAP_RXSTBC_3 0x00000300
|
||||||
#define IEEE80211_VHT_CAP_RXSTBC_4 0x00000400
|
#define IEEE80211_VHT_CAP_RXSTBC_4 0x00000400
|
||||||
#define IEEE80211_VHT_CAP_RXSTBC_MASK 0x00000700
|
#define IEEE80211_VHT_CAP_RXSTBC_MASK 0x00000700
|
||||||
|
#define IEEE80211_VHT_CAP_RXSTBC_SHIFT 8
|
||||||
#define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE 0x00000800
|
#define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE 0x00000800
|
||||||
#define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE 0x00001000
|
#define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE 0x00001000
|
||||||
#define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT 13
|
#define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT 13
|
||||||
|
|
|
@ -1130,7 +1130,7 @@ minstrel_ht_update_caps(void *priv, struct ieee80211_supported_band *sband,
|
||||||
struct minstrel_ht_sta_priv *msp = priv_sta;
|
struct minstrel_ht_sta_priv *msp = priv_sta;
|
||||||
struct minstrel_ht_sta *mi = &msp->ht;
|
struct minstrel_ht_sta *mi = &msp->ht;
|
||||||
struct ieee80211_mcs_info *mcs = &sta->ht_cap.mcs;
|
struct ieee80211_mcs_info *mcs = &sta->ht_cap.mcs;
|
||||||
u16 sta_cap = sta->ht_cap.cap;
|
u16 ht_cap = sta->ht_cap.cap;
|
||||||
struct ieee80211_sta_vht_cap *vht_cap = &sta->vht_cap;
|
struct ieee80211_sta_vht_cap *vht_cap = &sta->vht_cap;
|
||||||
struct sta_info *sinfo = container_of(sta, struct sta_info, sta);
|
struct sta_info *sinfo = container_of(sta, struct sta_info, sta);
|
||||||
int use_vht;
|
int use_vht;
|
||||||
|
@ -1138,6 +1138,7 @@ minstrel_ht_update_caps(void *priv, struct ieee80211_supported_band *sband,
|
||||||
int ack_dur;
|
int ack_dur;
|
||||||
int stbc;
|
int stbc;
|
||||||
int i;
|
int i;
|
||||||
|
bool ldpc;
|
||||||
|
|
||||||
/* fall back to the old minstrel for legacy stations */
|
/* fall back to the old minstrel for legacy stations */
|
||||||
if (!sta->ht_cap.ht_supported)
|
if (!sta->ht_cap.ht_supported)
|
||||||
|
@ -1175,16 +1176,22 @@ minstrel_ht_update_caps(void *priv, struct ieee80211_supported_band *sband,
|
||||||
}
|
}
|
||||||
mi->sample_tries = 4;
|
mi->sample_tries = 4;
|
||||||
|
|
||||||
/* TODO tx_flags for vht - ATM the RC API is not fine-grained enough */
|
|
||||||
if (!use_vht) {
|
if (!use_vht) {
|
||||||
stbc = (sta_cap & IEEE80211_HT_CAP_RX_STBC) >>
|
stbc = (ht_cap & IEEE80211_HT_CAP_RX_STBC) >>
|
||||||
IEEE80211_HT_CAP_RX_STBC_SHIFT;
|
IEEE80211_HT_CAP_RX_STBC_SHIFT;
|
||||||
mi->tx_flags |= stbc << IEEE80211_TX_CTL_STBC_SHIFT;
|
|
||||||
|
|
||||||
if (sta_cap & IEEE80211_HT_CAP_LDPC_CODING)
|
ldpc = ht_cap & IEEE80211_HT_CAP_LDPC_CODING;
|
||||||
mi->tx_flags |= IEEE80211_TX_CTL_LDPC;
|
} else {
|
||||||
|
stbc = (vht_cap->cap & IEEE80211_VHT_CAP_RXSTBC_MASK) >>
|
||||||
|
IEEE80211_VHT_CAP_RXSTBC_SHIFT;
|
||||||
|
|
||||||
|
ldpc = vht_cap->cap & IEEE80211_VHT_CAP_RXLDPC;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
mi->tx_flags |= stbc << IEEE80211_TX_CTL_STBC_SHIFT;
|
||||||
|
if (ldpc)
|
||||||
|
mi->tx_flags |= IEEE80211_TX_CTL_LDPC;
|
||||||
|
|
||||||
for (i = 0; i < ARRAY_SIZE(mi->groups); i++) {
|
for (i = 0; i < ARRAY_SIZE(mi->groups); i++) {
|
||||||
u32 gflags = minstrel_mcs_groups[i].flags;
|
u32 gflags = minstrel_mcs_groups[i].flags;
|
||||||
int bw, nss;
|
int bw, nss;
|
||||||
|
@ -1197,10 +1204,10 @@ minstrel_ht_update_caps(void *priv, struct ieee80211_supported_band *sband,
|
||||||
|
|
||||||
if (gflags & IEEE80211_TX_RC_SHORT_GI) {
|
if (gflags & IEEE80211_TX_RC_SHORT_GI) {
|
||||||
if (gflags & IEEE80211_TX_RC_40_MHZ_WIDTH) {
|
if (gflags & IEEE80211_TX_RC_40_MHZ_WIDTH) {
|
||||||
if (!(sta_cap & IEEE80211_HT_CAP_SGI_40))
|
if (!(ht_cap & IEEE80211_HT_CAP_SGI_40))
|
||||||
continue;
|
continue;
|
||||||
} else {
|
} else {
|
||||||
if (!(sta_cap & IEEE80211_HT_CAP_SGI_20))
|
if (!(ht_cap & IEEE80211_HT_CAP_SGI_20))
|
||||||
continue;
|
continue;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
Loading…
Reference in New Issue