iwlwifi: mvm: rs: remove stats argument from functions

The stats argument is always only passed as &mvm->drv_rx_stats, so
there's no point in passing it when the mvm pointer is passed.
Remove the argument entirely.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Reviewed-by: Eyal Shapira <eyal@wizery.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>

diff --git a/drivers/net/wireless/iwlwifi/mvm/mvm.h b/drivers/net/wireless/iwlwifi/mvm/mvm.h
index aa93ee7..979ac23 100644 (file)
--- a/drivers/net/wireless/iwlwifi/mvm/mvm.h
+++ b/drivers/net/wireless/iwlwifi/mvm/mvm.h
@@ -1143,9 +1143,7 @@ iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
 
 /* rate scaling */
 int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool init);
-void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm,
-                               struct iwl_mvm_frame_stats *stats,
-                               u32 rate, bool agg);
+void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm, u32 rate, bool agg);
 int rs_pretty_print_rate(char *buf, const u32 rate);
 void rs_update_last_rssi(struct iwl_mvm *mvm,
                         struct iwl_lq_sta *lq_sta,

diff --git a/drivers/net/wireless/iwlwifi/mvm/rs.c b/drivers/net/wireless/iwlwifi/mvm/rs.c
index f30eff2..9f32f2d 100644 (file)
--- a/drivers/net/wireless/iwlwifi/mvm/rs.c
+++ b/drivers/net/wireless/iwlwifi/mvm/rs.c
@@ -2600,68 +2600,116 @@ static void rs_vht_set_enabled_rates(struct ieee80211_sta *sta,
        }
 }
 
+static void rs_ht_init(struct iwl_mvm *mvm,
+                      struct ieee80211_sta *sta,
+                      struct iwl_lq_sta *lq_sta,
+                      struct ieee80211_sta_ht_cap *ht_cap)
+{
+       /* active_siso_rate mask includes 9 MBits (bit 5),
+        * and CCK (bits 0-3), supp_rates[] does not;
+        * shift to convert format, force 9 MBits off.
+        */
+       lq_sta->active_siso_rate = ht_cap->mcs.rx_mask[0] << 1;
+       lq_sta->active_siso_rate |= ht_cap->mcs.rx_mask[0] & 0x1;
+       lq_sta->active_siso_rate &= ~((u16)0x2);
+       lq_sta->active_siso_rate <<= IWL_FIRST_OFDM_RATE;
+
+       lq_sta->active_mimo2_rate = ht_cap->mcs.rx_mask[1] << 1;
+       lq_sta->active_mimo2_rate |= ht_cap->mcs.rx_mask[1] & 0x1;
+       lq_sta->active_mimo2_rate &= ~((u16)0x2);
+       lq_sta->active_mimo2_rate <<= IWL_FIRST_OFDM_RATE;
+
+       if (mvm->cfg->ht_params->ldpc &&
+           (ht_cap->cap & IEEE80211_HT_CAP_LDPC_CODING))
+               lq_sta->ldpc = true;
+
+       if (mvm->cfg->ht_params->stbc &&
+           (num_of_ant(iwl_mvm_get_valid_tx_ant(mvm)) > 1) &&
+           (ht_cap->cap & IEEE80211_HT_CAP_RX_STBC))
+               lq_sta->stbc = true;
+
+       lq_sta->is_vht = false;
+}
+
+static void rs_vht_init(struct iwl_mvm *mvm,
+                       struct ieee80211_sta *sta,
+                       struct iwl_lq_sta *lq_sta,
+                       struct ieee80211_sta_vht_cap *vht_cap)
+{
+       rs_vht_set_enabled_rates(sta, vht_cap, lq_sta);
+
+       if (mvm->cfg->ht_params->ldpc &&
+           (vht_cap->cap & IEEE80211_VHT_CAP_RXLDPC))
+               lq_sta->ldpc = true;
+
+       if (mvm->cfg->ht_params->stbc &&
+           (num_of_ant(iwl_mvm_get_valid_tx_ant(mvm)) > 1) &&
+           (vht_cap->cap & IEEE80211_VHT_CAP_RXSTBC_MASK))
+               lq_sta->stbc = true;
+
+       lq_sta->is_vht = true;
+}
+
 #ifdef CONFIG_IWLWIFI_DEBUGFS
-static void iwl_mvm_reset_frame_stats(struct iwl_mvm *mvm,
-                                     struct iwl_mvm_frame_stats *stats)
+static void iwl_mvm_reset_frame_stats(struct iwl_mvm *mvm)
 {
        spin_lock_bh(&mvm->drv_stats_lock);
-       memset(stats, 0, sizeof(*stats));
+       memset(&mvm->drv_rx_stats, 0, sizeof(mvm->drv_rx_stats));
        spin_unlock_bh(&mvm->drv_stats_lock);
 }
 
-void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm,
-                               struct iwl_mvm_frame_stats *stats,
-                               u32 rate, bool agg)
+void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm, u32 rate, bool agg)
 {
        u8 nss = 0, mcs = 0;
 
        spin_lock(&mvm->drv_stats_lock);
 
        if (agg)
-               stats->agg_frames++;
+               mvm->drv_rx_stats.agg_frames++;
 
-       stats->success_frames++;
+       mvm->drv_rx_stats.success_frames++;
 
        switch (rate & RATE_MCS_CHAN_WIDTH_MSK) {
        case RATE_MCS_CHAN_WIDTH_20:
-               stats->bw_20_frames++;
+               mvm->drv_rx_stats.bw_20_frames++;
                break;
        case RATE_MCS_CHAN_WIDTH_40:
-               stats->bw_40_frames++;
+               mvm->drv_rx_stats.bw_40_frames++;
                break;
        case RATE_MCS_CHAN_WIDTH_80:
-               stats->bw_80_frames++;
+               mvm->drv_rx_stats.bw_80_frames++;
                break;
        default:
                WARN_ONCE(1, "bad BW. rate 0x%x", rate);
        }
 
        if (rate & RATE_MCS_HT_MSK) {
-               stats->ht_frames++;
+               mvm->drv_rx_stats.ht_frames++;
                mcs = rate & RATE_HT_MCS_RATE_CODE_MSK;
                nss = ((rate & RATE_HT_MCS_NSS_MSK) >> RATE_HT_MCS_NSS_POS) + 1;
        } else if (rate & RATE_MCS_VHT_MSK) {
-               stats->vht_frames++;
+               mvm->drv_rx_stats.vht_frames++;
                mcs = rate & RATE_VHT_MCS_RATE_CODE_MSK;
                nss = ((rate & RATE_VHT_MCS_NSS_MSK) >>
                       RATE_VHT_MCS_NSS_POS) + 1;
        } else {
-               stats->legacy_frames++;
+               mvm->drv_rx_stats.legacy_frames++;
        }
 
        if (nss == 1)
-               stats->siso_frames++;
+               mvm->drv_rx_stats.siso_frames++;
        else if (nss == 2)
-               stats->mimo2_frames++;
+               mvm->drv_rx_stats.mimo2_frames++;
 
        if (rate & RATE_MCS_SGI_MSK)
-               stats->sgi_frames++;
+               mvm->drv_rx_stats.sgi_frames++;
        else
-               stats->ngi_frames++;
+               mvm->drv_rx_stats.ngi_frames++;
 
-       stats->last_rates[stats->last_frame_idx] = rate;
-       stats->last_frame_idx = (stats->last_frame_idx + 1) %
-               ARRAY_SIZE(stats->last_rates);
+       mvm->drv_rx_stats.last_rates[mvm->drv_rx_stats.last_frame_idx] = rate;
+       mvm->drv_rx_stats.last_frame_idx =
+               (mvm->drv_rx_stats.last_frame_idx + 1) %
+                       ARRAY_SIZE(mvm->drv_rx_stats.last_rates);
 
        spin_unlock(&mvm->drv_stats_lock);
 }
@@ -2749,7 +2797,7 @@ void iwl_mvm_rs_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
        lq_sta->tx_agg_tid_en = IWL_AGG_ALL_TID;
        lq_sta->is_agg = 0;
 #ifdef CONFIG_IWLWIFI_DEBUGFS
-       iwl_mvm_reset_frame_stats(mvm, &mvm->drv_rx_stats);
+       iwl_mvm_reset_frame_stats(mvm);
 #endif
        rs_initialize_lq(mvm, sta, lq_sta, band, init);
 }

diff --git a/drivers/net/wireless/iwlwifi/mvm/rx.c b/drivers/net/wireless/iwlwifi/mvm/rx.c
index 7919a7b..f922131 100644 (file)
--- a/drivers/net/wireless/iwlwifi/mvm/rx.c
+++ b/drivers/net/wireless/iwlwifi/mvm/rx.c
@@ -407,7 +407,7 @@ int iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
        }
 
 #ifdef CONFIG_IWLWIFI_DEBUGFS
-       iwl_mvm_update_frame_stats(mvm, &mvm->drv_rx_stats, rate_n_flags,
+       iwl_mvm_update_frame_stats(mvm, rate_n_flags,
                                   rx_status->flag & RX_FLAG_AMPDU_DETAILS);
 #endif
        iwl_mvm_pass_packet_to_mac80211(mvm, skb, hdr, len, ampdu_status,