diff options
Diffstat (limited to 'drivers/net/wireless/ath/wcn36xx')
| -rw-r--r-- | drivers/net/wireless/ath/wcn36xx/dxe.c | 3 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/wcn36xx/main.c | 16 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/wcn36xx/smd.c | 73 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/wcn36xx/txrx.c | 83 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/wcn36xx/txrx.h | 9 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/wcn36xx/wcn36xx.h | 20 |
6 files changed, 182 insertions, 22 deletions
diff --git a/drivers/net/wireless/ath/wcn36xx/dxe.c b/drivers/net/wireless/ath/wcn36xx/dxe.c index 73f12f196f14..086549b732b9 100644 --- a/drivers/net/wireless/ath/wcn36xx/dxe.c +++ b/drivers/net/wireless/ath/wcn36xx/dxe.c @@ -84,6 +84,7 @@ static int wcn36xx_dxe_allocate_ctl_block(struct wcn36xx_dxe_ch *ch) if (!cur_ctl) goto out_fail; + spin_lock_init(&cur_ctl->skb_lock); cur_ctl->ctl_blk_order = i; if (i == 0) { ch->head_blk_ctl = cur_ctl; @@ -354,6 +355,8 @@ static void reap_tx_dxes(struct wcn36xx *wcn, struct wcn36xx_dxe_ch *ch) * and while-do will not make any cycles. */ do { + if (ctl->desc->ctrl & WCN36XX_DXE_CTRL_VALID_MASK) + break; if (ctl->skb) { dma_unmap_single(NULL, ctl->desc->src_addr_l, ctl->skb->len, DMA_TO_DEVICE); diff --git a/drivers/net/wireless/ath/wcn36xx/main.c b/drivers/net/wireless/ath/wcn36xx/main.c index 7dd8873f757e..0783d2ed8238 100644 --- a/drivers/net/wireless/ath/wcn36xx/main.c +++ b/drivers/net/wireless/ath/wcn36xx/main.c @@ -298,6 +298,8 @@ static int wcn36xx_start(struct ieee80211_hw *hw) wcn36xx_debugfs_init(wcn); INIT_LIST_HEAD(&wcn->vif_list); + spin_lock_init(&wcn->dxe_lock); + return 0; out_smd_stop: @@ -795,6 +797,7 @@ static int wcn36xx_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, wcn36xx_dbg(WCN36XX_DBG_MAC, "mac sta add vif %p sta %pM\n", vif, sta->addr); + spin_lock_init(&sta_priv->ampdu_lock); vif_priv->sta = sta_priv; sta_priv->vif = vif_priv; /* @@ -873,21 +876,32 @@ static int wcn36xx_ampdu_action(struct ieee80211_hw *hw, get_sta_index(vif, sta_priv)); wcn36xx_smd_add_ba(wcn); wcn36xx_smd_trigger_ba(wcn, get_sta_index(vif, sta_priv)); - ieee80211_start_tx_ba_session(sta, tid, 0); break; case IEEE80211_AMPDU_RX_STOP: wcn36xx_smd_del_ba(wcn, tid, get_sta_index(vif, sta_priv)); break; case IEEE80211_AMPDU_TX_START: + spin_lock_bh(&sta_priv->ampdu_lock); + sta_priv->ampdu_state[tid] = WCN36XX_AMPDU_START; + spin_unlock_bh(&sta_priv->ampdu_lock); + ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid); break; case IEEE80211_AMPDU_TX_OPERATIONAL: + spin_lock_bh(&sta_priv->ampdu_lock); + sta_priv->ampdu_state[tid] = WCN36XX_AMPDU_OPERATIONAL; + spin_unlock_bh(&sta_priv->ampdu_lock); + wcn36xx_smd_add_ba_session(wcn, sta, tid, ssn, 1, get_sta_index(vif, sta_priv)); break; case IEEE80211_AMPDU_TX_STOP_FLUSH: case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: case IEEE80211_AMPDU_TX_STOP_CONT: + spin_lock_bh(&sta_priv->ampdu_lock); + sta_priv->ampdu_state[tid] = WCN36XX_AMPDU_NONE; + spin_unlock_bh(&sta_priv->ampdu_lock); + ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); break; default: diff --git a/drivers/net/wireless/ath/wcn36xx/smd.c b/drivers/net/wireless/ath/wcn36xx/smd.c index 63986931829e..69ed39731902 100644 --- a/drivers/net/wireless/ath/wcn36xx/smd.c +++ b/drivers/net/wireless/ath/wcn36xx/smd.c @@ -21,6 +21,61 @@ #include <linux/bitops.h> #include "smd.h" +struct wcn36xx_cfg_val { + u32 cfg_id; + u32 value; +}; + +#define WCN36XX_CFG_VAL(id, val) \ +{ \ + .cfg_id = WCN36XX_HAL_CFG_ ## id, \ + .value = val \ +} + +static struct wcn36xx_cfg_val wcn36xx_cfg_vals[] = { + WCN36XX_CFG_VAL(CURRENT_TX_ANTENNA, 1), + WCN36XX_CFG_VAL(CURRENT_RX_ANTENNA, 1), + WCN36XX_CFG_VAL(LOW_GAIN_OVERRIDE, 0), + WCN36XX_CFG_VAL(POWER_STATE_PER_CHAIN, 785), + WCN36XX_CFG_VAL(CAL_PERIOD, 5), + WCN36XX_CFG_VAL(CAL_CONTROL, 1), + WCN36XX_CFG_VAL(PROXIMITY, 0), + WCN36XX_CFG_VAL(NETWORK_DENSITY, 3), + WCN36XX_CFG_VAL(MAX_MEDIUM_TIME, 6000), + WCN36XX_CFG_VAL(MAX_MPDUS_IN_AMPDU, 64), + WCN36XX_CFG_VAL(RTS_THRESHOLD, 2347), + WCN36XX_CFG_VAL(SHORT_RETRY_LIMIT, 6), + WCN36XX_CFG_VAL(LONG_RETRY_LIMIT, 6), + WCN36XX_CFG_VAL(FRAGMENTATION_THRESHOLD, 8000), + WCN36XX_CFG_VAL(DYNAMIC_THRESHOLD_ZERO, 5), + WCN36XX_CFG_VAL(DYNAMIC_THRESHOLD_ONE, 10), + WCN36XX_CFG_VAL(DYNAMIC_THRESHOLD_TWO, 15), + WCN36XX_CFG_VAL(FIXED_RATE, 0), + WCN36XX_CFG_VAL(RETRYRATE_POLICY, 4), + WCN36XX_CFG_VAL(RETRYRATE_SECONDARY, 0), + WCN36XX_CFG_VAL(RETRYRATE_TERTIARY, 0), + WCN36XX_CFG_VAL(FORCE_POLICY_PROTECTION, 5), + WCN36XX_CFG_VAL(FIXED_RATE_MULTICAST_24GHZ, 1), + WCN36XX_CFG_VAL(FIXED_RATE_MULTICAST_5GHZ, 5), + WCN36XX_CFG_VAL(DEFAULT_RATE_INDEX_5GHZ, 5), + WCN36XX_CFG_VAL(MAX_BA_SESSIONS, 40), + WCN36XX_CFG_VAL(PS_DATA_INACTIVITY_TIMEOUT, 200), + WCN36XX_CFG_VAL(PS_ENABLE_BCN_FILTER, 1), + WCN36XX_CFG_VAL(PS_ENABLE_RSSI_MONITOR, 1), + WCN36XX_CFG_VAL(NUM_BEACON_PER_RSSI_AVERAGE, 20), + WCN36XX_CFG_VAL(STATS_PERIOD, 10), + WCN36XX_CFG_VAL(CFP_MAX_DURATION, 30000), + WCN36XX_CFG_VAL(FRAME_TRANS_ENABLED, 0), + WCN36XX_CFG_VAL(BA_THRESHOLD_HIGH, 128), + WCN36XX_CFG_VAL(MAX_BA_BUFFERS, 2560), + WCN36XX_CFG_VAL(DYNAMIC_PS_POLL_VALUE, 0), + WCN36XX_CFG_VAL(TX_PWR_CTRL_ENABLE, 1), + WCN36XX_CFG_VAL(ENABLE_CLOSE_LOOP, 1), + WCN36XX_CFG_VAL(ENABLE_LPWR_IMG_TRANSITION, 0), + WCN36XX_CFG_VAL(MAX_ASSOC_LIMIT, 10), + WCN36XX_CFG_VAL(ENABLE_MCC_ADAPTIVE_SCHEDULER, 0), +}; + static int put_cfg_tlv_u32(struct wcn36xx *wcn, size_t *len, u32 id, u32 value) { struct wcn36xx_hal_cfg *entry; @@ -357,8 +412,10 @@ static int wcn36xx_smd_start_rsp(struct wcn36xx *wcn, void *buf, size_t len) int wcn36xx_smd_start(struct wcn36xx *wcn) { - struct wcn36xx_hal_mac_start_req_msg msg_body; + struct wcn36xx_hal_mac_start_req_msg msg_body, *body; int ret = 0; + int i; + size_t len; mutex_lock(&wcn->hal_mutex); INIT_HAL_MSG(msg_body, WCN36XX_HAL_START_REQ); @@ -368,10 +425,22 @@ int wcn36xx_smd_start(struct wcn36xx *wcn) PREPARE_HAL_BUF(wcn->hal_buf, msg_body); + body = (struct wcn36xx_hal_mac_start_req_msg *)wcn->hal_buf; + len = body->header.len; + + for (i = 0; i < ARRAY_SIZE(wcn36xx_cfg_vals); i++) { + ret = put_cfg_tlv_u32(wcn, &len, wcn36xx_cfg_vals[i].cfg_id, + wcn36xx_cfg_vals[i].value); + if (ret) + goto out; + } + body->header.len = len; + body->params.len = len - sizeof(*body); + wcn36xx_dbg(WCN36XX_DBG_HAL, "hal start type %d\n", msg_body.params.type); - ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len); + ret = wcn36xx_smd_send_and_wait(wcn, body->header.len); if (ret) { wcn36xx_err("Sending hal_start failed\n"); goto out; diff --git a/drivers/net/wireless/ath/wcn36xx/txrx.c b/drivers/net/wireless/ath/wcn36xx/txrx.c index 32bb26a0db2a..9bec8237231d 100644 --- a/drivers/net/wireless/ath/wcn36xx/txrx.c +++ b/drivers/net/wireless/ath/wcn36xx/txrx.c @@ -93,6 +93,7 @@ static void wcn36xx_set_tx_pdu(struct wcn36xx_tx_bd *bd, bd->pdu.mpdu_header_off; bd->pdu.mpdu_len = len; bd->pdu.tid = tid; + bd->pdu.bd_ssn = WCN36XX_TXBD_SSN_FILL_DPU_QOS; } static inline struct wcn36xx_vif *get_vif_by_addr(struct wcn36xx *wcn, @@ -110,15 +111,54 @@ static inline struct wcn36xx_vif *get_vif_by_addr(struct wcn36xx *wcn, wcn36xx_warn("vif %pM not found\n", addr); return NULL; } + +static void wcn36xx_tx_start_ampdu(struct wcn36xx *wcn, + struct wcn36xx_sta *sta_priv, + struct sk_buff *skb) +{ + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; + struct ieee80211_sta *sta; + u8 *qc, tid; + + if (!conf_is_ht(&wcn->hw->conf)) + return; + + sta = wcn36xx_priv_to_sta(sta_priv); + + if (WARN_ON(!ieee80211_is_data_qos(hdr->frame_control))) + return; + + if (skb_get_queue_mapping(skb) == IEEE80211_AC_VO) + return; + + qc = ieee80211_get_qos_ctl(hdr); + tid = qc[0] & IEEE80211_QOS_CTL_TID_MASK; + + spin_lock(&sta_priv->ampdu_lock); + if (sta_priv->ampdu_state[tid] != WCN36XX_AMPDU_NONE) + goto out_unlock; + + if (sta_priv->non_agg_frame_ct++ >= WCN36XX_AMPDU_START_THRESH) { + sta_priv->ampdu_state[tid] = WCN36XX_AMPDU_START; + sta_priv->non_agg_frame_ct = 0; + ieee80211_start_tx_ba_session(sta, tid, 0); + } +out_unlock: + spin_unlock(&sta_priv->ampdu_lock); +} + static void wcn36xx_set_tx_data(struct wcn36xx_tx_bd *bd, struct wcn36xx *wcn, struct wcn36xx_vif **vif_priv, struct wcn36xx_sta *sta_priv, - struct ieee80211_hdr *hdr, + struct sk_buff *skb, bool bcast) { + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; struct ieee80211_vif *vif = NULL; struct wcn36xx_vif *__vif_priv = NULL; + bool is_data_qos; + bd->bd_rate = WCN36XX_BD_RATE_DATA; /* @@ -157,14 +197,26 @@ static void wcn36xx_set_tx_data(struct wcn36xx_tx_bd *bd, bd->ack_policy = 1; } *vif_priv = __vif_priv; + + is_data_qos = ieee80211_is_data_qos(hdr->frame_control); + + wcn36xx_set_tx_pdu(bd, + is_data_qos ? + sizeof(struct ieee80211_qos_hdr) : + sizeof(struct ieee80211_hdr_3addr), + skb->len, sta_priv ? sta_priv->tid : 0); + + if (sta_priv && is_data_qos) + wcn36xx_tx_start_ampdu(wcn, sta_priv, skb); } static void wcn36xx_set_tx_mgmt(struct wcn36xx_tx_bd *bd, struct wcn36xx *wcn, struct wcn36xx_vif **vif_priv, - struct ieee80211_hdr *hdr, + struct sk_buff *skb, bool bcast) { + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; struct wcn36xx_vif *__vif_priv = get_vif_by_addr(wcn, hdr->addr2); bd->sta_index = __vif_priv->self_sta_index; @@ -198,6 +250,12 @@ static void wcn36xx_set_tx_mgmt(struct wcn36xx_tx_bd *bd, } else bd->queue_id = WCN36XX_TX_U_WQ_ID; *vif_priv = __vif_priv; + + wcn36xx_set_tx_pdu(bd, + ieee80211_is_data_qos(hdr->frame_control) ? + sizeof(struct ieee80211_qos_hdr) : + sizeof(struct ieee80211_hdr_3addr), + skb->len, WCN36XX_TID); } int wcn36xx_start_tx(struct wcn36xx *wcn, @@ -237,7 +295,7 @@ int wcn36xx_start_tx(struct wcn36xx *wcn, bd->dpu_rf = WCN36XX_BMU_WQ_TX; - bd->tx_comp = info->flags & IEEE80211_TX_CTL_REQ_TX_STATUS; + bd->tx_comp = !!(info->flags & IEEE80211_TX_CTL_REQ_TX_STATUS); if (bd->tx_comp) { wcn36xx_dbg(WCN36XX_DBG_DXE, "TX_ACK status requested\n"); spin_lock_irqsave(&wcn->dxe_lock, flags); @@ -259,22 +317,11 @@ int wcn36xx_start_tx(struct wcn36xx *wcn, } /* Data frames served first*/ - if (is_low) { - wcn36xx_set_tx_data(bd, wcn, &vif_priv, sta_priv, hdr, bcast); - wcn36xx_set_tx_pdu(bd, - ieee80211_is_data_qos(hdr->frame_control) ? - sizeof(struct ieee80211_qos_hdr) : - sizeof(struct ieee80211_hdr_3addr), - skb->len, sta_priv ? sta_priv->tid : 0); - } else { + if (is_low) + wcn36xx_set_tx_data(bd, wcn, &vif_priv, sta_priv, skb, bcast); + else /* MGMT and CTRL frames are handeld here*/ - wcn36xx_set_tx_mgmt(bd, wcn, &vif_priv, hdr, bcast); - wcn36xx_set_tx_pdu(bd, - ieee80211_is_data_qos(hdr->frame_control) ? - sizeof(struct ieee80211_qos_hdr) : - sizeof(struct ieee80211_hdr_3addr), - skb->len, WCN36XX_TID); - } + wcn36xx_set_tx_mgmt(bd, wcn, &vif_priv, skb, bcast); buff_to_be((u32 *)bd, sizeof(*bd)/sizeof(u32)); bd->tx_bd_sign = 0xbdbdbdbd; diff --git a/drivers/net/wireless/ath/wcn36xx/txrx.h b/drivers/net/wireless/ath/wcn36xx/txrx.h index bbfbcf808c77..032216e82b2b 100644 --- a/drivers/net/wireless/ath/wcn36xx/txrx.h +++ b/drivers/net/wireless/ath/wcn36xx/txrx.h @@ -32,6 +32,12 @@ #define WCN36XX_BD_RATE_MGMT 2 #define WCN36XX_BD_RATE_CTRL 3 +enum wcn36xx_txbd_ssn_type { + WCN36XX_TXBD_SSN_FILL_HOST = 0, + WCN36XX_TXBD_SSN_FILL_DPU_NON_QOS = 1, + WCN36XX_TXBD_SSN_FILL_DPU_QOS = 2, +}; + struct wcn36xx_pdu { u32 dpu_fb:8; u32 adu_fb:8; @@ -50,7 +56,8 @@ struct wcn36xx_pdu { /* 0x0c*/ u32 reserved4:8; u32 tid:4; - u32 reserved3:4; + u32 bd_ssn:2; + u32 reserved3:2; u32 mpdu_len:16; }; diff --git a/drivers/net/wireless/ath/wcn36xx/wcn36xx.h b/drivers/net/wireless/ath/wcn36xx/wcn36xx.h index f0fb81dfd17b..7b41e833e18c 100644 --- a/drivers/net/wireless/ath/wcn36xx/wcn36xx.h +++ b/drivers/net/wireless/ath/wcn36xx/wcn36xx.h @@ -32,6 +32,9 @@ #define WLAN_NV_FILE "wlan/prima/WCNSS_qcom_wlan_nv.bin" #define WCN36XX_AGGR_BUFFER_SIZE 64 +/* How many frames until we start a-mpdu TX session */ +#define WCN36XX_AMPDU_START_THRESH 20 + extern unsigned int wcn36xx_dbg_mask; enum wcn36xx_debug_mask { @@ -74,6 +77,13 @@ enum wcn36xx_debug_mask { buf, len, false); \ } while (0) +enum wcn36xx_ampdu_state { + WCN36XX_AMPDU_NONE, + WCN36XX_AMPDU_INIT, + WCN36XX_AMPDU_START, + WCN36XX_AMPDU_OPERATIONAL, +}; + #define WCN36XX_HW_CHANNEL(__wcn) (__wcn->hw->conf.chandef.chan->hw_value) #define WCN36XX_BAND(__wcn) (__wcn->hw->conf.chandef.chan->band) #define WCN36XX_CENTER_FREQ(__wcn) (__wcn->hw->conf.chandef.chan->center_freq) @@ -165,6 +175,10 @@ struct wcn36xx_sta { bool is_data_encrypted; /* Rates */ struct wcn36xx_hal_supported_rates supported_rates; + + spinlock_t ampdu_lock; /* protects next two fields */ + enum wcn36xx_ampdu_state ampdu_state[16]; + int non_agg_frame_ct; }; struct wcn36xx_dxe_ch; struct wcn36xx { @@ -243,4 +257,10 @@ static inline bool wcn36xx_is_fw_version(struct wcn36xx *wcn, } void wcn36xx_set_default_rates(struct wcn36xx_hal_supported_rates *rates); +static inline +struct ieee80211_sta *wcn36xx_priv_to_sta(struct wcn36xx_sta *sta_priv) +{ + return container_of((void *)sta_priv, struct ieee80211_sta, drv_priv); +} + #endif /* _WCN36XX_H_ */ |