diff options
Diffstat (limited to 'drivers/net/wireless/mwifiex/wmm.c')
-rw-r--r-- | drivers/net/wireless/mwifiex/wmm.c | 167 |
1 files changed, 82 insertions, 85 deletions
diff --git a/drivers/net/wireless/mwifiex/wmm.c b/drivers/net/wireless/mwifiex/wmm.c index 6c239c3c8249..5a7316c6f125 100644 --- a/drivers/net/wireless/mwifiex/wmm.c +++ b/drivers/net/wireless/mwifiex/wmm.c @@ -87,15 +87,15 @@ mwifiex_wmm_ac_debug_print(const struct ieee_types_wmm_ac_parameters *ac_param) const char *ac_str[] = { "BK", "BE", "VI", "VO" }; pr_debug("info: WMM AC_%s: ACI=%d, ACM=%d, Aifsn=%d, " - "EcwMin=%d, EcwMax=%d, TxopLimit=%d\n", - ac_str[wmm_aci_to_qidx_map[(ac_param->aci_aifsn_bitmap - & MWIFIEX_ACI) >> 5]], - (ac_param->aci_aifsn_bitmap & MWIFIEX_ACI) >> 5, - (ac_param->aci_aifsn_bitmap & MWIFIEX_ACM) >> 4, - ac_param->aci_aifsn_bitmap & MWIFIEX_AIFSN, - ac_param->ecw_bitmap & MWIFIEX_ECW_MIN, - (ac_param->ecw_bitmap & MWIFIEX_ECW_MAX) >> 4, - le16_to_cpu(ac_param->tx_op_limit)); + "EcwMin=%d, EcwMax=%d, TxopLimit=%d\n", + ac_str[wmm_aci_to_qidx_map[(ac_param->aci_aifsn_bitmap + & MWIFIEX_ACI) >> 5]], + (ac_param->aci_aifsn_bitmap & MWIFIEX_ACI) >> 5, + (ac_param->aci_aifsn_bitmap & MWIFIEX_ACM) >> 4, + ac_param->aci_aifsn_bitmap & MWIFIEX_AIFSN, + ac_param->ecw_bitmap & MWIFIEX_ECW_MIN, + (ac_param->ecw_bitmap & MWIFIEX_ECW_MAX) >> 4, + le16_to_cpu(ac_param->tx_op_limit)); } /* @@ -112,7 +112,7 @@ mwifiex_wmm_allocate_ralist_node(struct mwifiex_adapter *adapter, u8 *ra) if (!ra_list) { dev_err(adapter->dev, "%s: failed to alloc ra_list\n", - __func__); + __func__); return NULL; } INIT_LIST_HEAD(&ra_list->list); @@ -154,7 +154,7 @@ mwifiex_ralist_add(struct mwifiex_private *priv, u8 *ra) ra_list, ra_list->is_11n_enabled); list_add_tail(&ra_list->list, - &priv->wmm.tid_tbl_ptr[i].ra_list); + &priv->wmm.tid_tbl_ptr[i].ra_list); if (!priv->wmm.tid_tbl_ptr[i].ra_list_curr) priv->wmm.tid_tbl_ptr[i].ra_list_curr = ra_list; @@ -217,22 +217,19 @@ mwifiex_wmm_setup_queue_priorities(struct mwifiex_private *priv, wmm_ie->reserved); for (num_ac = 0; num_ac < ARRAY_SIZE(wmm_ie->ac_params); num_ac++) { - cw_min = (1 << (wmm_ie->ac_params[num_ac].ecw_bitmap & - MWIFIEX_ECW_MIN)) - 1; - avg_back_off = (cw_min >> 1) + - (wmm_ie->ac_params[num_ac].aci_aifsn_bitmap & - MWIFIEX_AIFSN); - - ac_idx = wmm_aci_to_qidx_map[(wmm_ie->ac_params[num_ac]. - aci_aifsn_bitmap & - MWIFIEX_ACI) >> 5]; + u8 ecw = wmm_ie->ac_params[num_ac].ecw_bitmap; + u8 aci_aifsn = wmm_ie->ac_params[num_ac].aci_aifsn_bitmap; + cw_min = (1 << (ecw & MWIFIEX_ECW_MIN)) - 1; + avg_back_off = (cw_min >> 1) + (aci_aifsn & MWIFIEX_AIFSN); + + ac_idx = wmm_aci_to_qidx_map[(aci_aifsn & MWIFIEX_ACI) >> 5]; priv->wmm.queue_priority[ac_idx] = ac_idx; tmp[ac_idx] = avg_back_off; - dev_dbg(priv->adapter->dev, "info: WMM: CWmax=%d CWmin=%d Avg Back-off=%d\n", - (1 << ((wmm_ie->ac_params[num_ac].ecw_bitmap & - MWIFIEX_ECW_MAX) >> 4)) - 1, - cw_min, avg_back_off); + dev_dbg(priv->adapter->dev, + "info: WMM: CWmax=%d CWmin=%d Avg Back-off=%d\n", + (1 << ((ecw & MWIFIEX_ECW_MAX) >> 4)) - 1, + cw_min, avg_back_off); mwifiex_wmm_ac_debug_print(&wmm_ie->ac_params[num_ac]); } @@ -312,13 +309,14 @@ mwifiex_wmm_setup_ac_downgrade(struct mwifiex_private *priv) /* WMM is not enabled, default priorities */ for (ac_val = WMM_AC_BK; ac_val <= WMM_AC_VO; ac_val++) priv->wmm.ac_down_graded_vals[ac_val] = - (enum mwifiex_wmm_ac_e) ac_val; + (enum mwifiex_wmm_ac_e) ac_val; } else { for (ac_val = WMM_AC_BK; ac_val <= WMM_AC_VO; ac_val++) { priv->wmm.ac_down_graded_vals[ac_val] = mwifiex_wmm_eval_downgrade_ac(priv, (enum mwifiex_wmm_ac_e) ac_val); - dev_dbg(priv->adapter->dev, "info: WMM: AC PRIO %d maps to %d\n", + dev_dbg(priv->adapter->dev, + "info: WMM: AC PRIO %d maps to %d\n", ac_val, priv->wmm.ac_down_graded_vals[ac_val]); } } @@ -394,13 +392,13 @@ mwifiex_wmm_init(struct mwifiex_adapter *adapter) } priv->aggr_prio_tbl[6].amsdu - = priv->aggr_prio_tbl[6].ampdu_ap - = priv->aggr_prio_tbl[6].ampdu_user - = BA_STREAM_NOT_ALLOWED; + = priv->aggr_prio_tbl[6].ampdu_ap + = priv->aggr_prio_tbl[6].ampdu_user + = BA_STREAM_NOT_ALLOWED; priv->aggr_prio_tbl[7].amsdu = priv->aggr_prio_tbl[7].ampdu_ap - = priv->aggr_prio_tbl[7].ampdu_user - = BA_STREAM_NOT_ALLOWED; + = priv->aggr_prio_tbl[7].ampdu_user + = BA_STREAM_NOT_ALLOWED; priv->add_ba_param.timeout = MWIFIEX_DEFAULT_BLOCK_ACK_TIMEOUT; priv->add_ba_param.tx_win_size = MWIFIEX_AMPDU_DEF_TXWINSIZE; @@ -472,7 +470,7 @@ static void mwifiex_wmm_cleanup_queues(struct mwifiex_private *priv) for (i = 0; i < MAX_NUM_TID; i++) mwifiex_wmm_del_pkts_in_ralist(priv, &priv->wmm.tid_tbl_ptr[i]. - ra_list); + ra_list); atomic_set(&priv->wmm.tx_pkts_queued, 0); atomic_set(&priv->wmm.highest_queued_prio, HIGH_PRIO_TID); @@ -488,9 +486,10 @@ static void mwifiex_wmm_delete_all_ralist(struct mwifiex_private *priv) for (i = 0; i < MAX_NUM_TID; ++i) { dev_dbg(priv->adapter->dev, - "info: ra_list: freeing buf for tid %d\n", i); + "info: ra_list: freeing buf for tid %d\n", i); list_for_each_entry_safe(ra_list, tmp_node, - &priv->wmm.tid_tbl_ptr[i].ra_list, list) { + &priv->wmm.tid_tbl_ptr[i].ra_list, + list) { list_del(&ra_list->list); kfree(ra_list); } @@ -599,11 +598,10 @@ mwifiex_is_ralist_valid(struct mwifiex_private *priv, * is queued at the list tail. */ void -mwifiex_wmm_add_buf_txqueue(struct mwifiex_adapter *adapter, +mwifiex_wmm_add_buf_txqueue(struct mwifiex_private *priv, struct sk_buff *skb) { - struct mwifiex_txinfo *tx_info = MWIFIEX_SKB_TXCB(skb); - struct mwifiex_private *priv = adapter->priv[tx_info->bss_index]; + struct mwifiex_adapter *adapter = priv->adapter; u32 tid; struct mwifiex_ra_list_tbl *ra_list; u8 ra[ETH_ALEN], tid_down; @@ -653,7 +651,7 @@ mwifiex_wmm_add_buf_txqueue(struct mwifiex_adapter *adapter, if (atomic_read(&priv->wmm.highest_queued_prio) < tos_to_tid_inv[tid_down]) atomic_set(&priv->wmm.highest_queued_prio, - tos_to_tid_inv[tid_down]); + tos_to_tid_inv[tid_down]); spin_unlock_irqrestore(&priv->wmm.ra_list_spinlock, flags); } @@ -682,7 +680,7 @@ int mwifiex_ret_wmm_get_status(struct mwifiex_private *priv, struct mwifiex_wmm_ac_status *ac_status; dev_dbg(priv->adapter->dev, "info: WMM: WMM_GET_STATUS cmdresp received: %d\n", - resp_len); + resp_len); while ((resp_len >= sizeof(tlv_hdr->header)) && valid) { tlv_hdr = (struct mwifiex_ie_types_data *) curr; @@ -696,15 +694,15 @@ int mwifiex_ret_wmm_get_status(struct mwifiex_private *priv, dev_dbg(priv->adapter->dev, "info: CMD_RESP: WMM_GET_STATUS:" " QSTATUS TLV: %d, %d, %d\n", - tlv_wmm_qstatus->queue_index, - tlv_wmm_qstatus->flow_required, - tlv_wmm_qstatus->disabled); + tlv_wmm_qstatus->queue_index, + tlv_wmm_qstatus->flow_required, + tlv_wmm_qstatus->disabled); ac_status = &priv->wmm.ac_status[tlv_wmm_qstatus-> queue_index]; ac_status->disabled = tlv_wmm_qstatus->disabled; ac_status->flow_required = - tlv_wmm_qstatus->flow_required; + tlv_wmm_qstatus->flow_required; ac_status->flow_created = tlv_wmm_qstatus->flow_created; break; @@ -773,29 +771,27 @@ mwifiex_wmm_process_association_req(struct mwifiex_private *priv, if (!wmm_ie) return 0; - dev_dbg(priv->adapter->dev, "info: WMM: process assoc req:" - "bss->wmmIe=0x%x\n", - wmm_ie->vend_hdr.element_id); + dev_dbg(priv->adapter->dev, + "info: WMM: process assoc req: bss->wmm_ie=%#x\n", + wmm_ie->vend_hdr.element_id); - if ((priv->wmm_required - || (ht_cap && (priv->adapter->config_bands & BAND_GN - || priv->adapter->config_bands & BAND_AN)) - ) - && wmm_ie->vend_hdr.element_id == WLAN_EID_VENDOR_SPECIFIC) { + if ((priv->wmm_required || + (ht_cap && (priv->adapter->config_bands & BAND_GN || + priv->adapter->config_bands & BAND_AN))) && + wmm_ie->vend_hdr.element_id == WLAN_EID_VENDOR_SPECIFIC) { wmm_tlv = (struct mwifiex_ie_types_wmm_param_set *) *assoc_buf; wmm_tlv->header.type = cpu_to_le16((u16) wmm_info_ie[0]); wmm_tlv->header.len = cpu_to_le16((u16) wmm_info_ie[1]); memcpy(wmm_tlv->wmm_ie, &wmm_info_ie[2], - le16_to_cpu(wmm_tlv->header.len)); + le16_to_cpu(wmm_tlv->header.len)); if (wmm_ie->qos_info_bitmap & IEEE80211_WMM_IE_AP_QOSINFO_UAPSD) memcpy((u8 *) (wmm_tlv->wmm_ie - + le16_to_cpu(wmm_tlv->header.len) - - sizeof(priv->wmm_qosinfo)), - &priv->wmm_qosinfo, - sizeof(priv->wmm_qosinfo)); + + le16_to_cpu(wmm_tlv->header.len) + - sizeof(priv->wmm_qosinfo)), + &priv->wmm_qosinfo, sizeof(priv->wmm_qosinfo)); ret_len = sizeof(wmm_tlv->header) - + le16_to_cpu(wmm_tlv->header.len); + + le16_to_cpu(wmm_tlv->header.len); *assoc_buf += ret_len; } @@ -814,7 +810,7 @@ mwifiex_wmm_process_association_req(struct mwifiex_private *priv, */ u8 mwifiex_wmm_compute_drv_pkt_delay(struct mwifiex_private *priv, - const struct sk_buff *skb) + const struct sk_buff *skb) { u8 ret_val; struct timeval out_tstamp, in_tstamp; @@ -851,17 +847,18 @@ mwifiex_wmm_get_highest_priolist_ptr(struct mwifiex_adapter *adapter, struct mwifiex_ra_list_tbl *ptr, *head; struct mwifiex_bss_prio_node *bssprio_node, *bssprio_head; struct mwifiex_tid_tbl *tid_ptr; + atomic_t *hqp; int is_list_empty; unsigned long flags; int i, j; for (j = adapter->priv_num - 1; j >= 0; --j) { spin_lock_irqsave(&adapter->bss_prio_tbl[j].bss_prio_lock, - flags); + flags); is_list_empty = list_empty(&adapter->bss_prio_tbl[j] - .bss_prio_head); + .bss_prio_head); spin_unlock_irqrestore(&adapter->bss_prio_tbl[j].bss_prio_lock, - flags); + flags); if (is_list_empty) continue; @@ -880,12 +877,8 @@ mwifiex_wmm_get_highest_priolist_ptr(struct mwifiex_adapter *adapter, } do { - atomic_t *hqp; - spinlock_t *lock; - priv_tmp = bssprio_node->priv; hqp = &priv_tmp->wmm.highest_queued_prio; - lock = &priv_tmp->wmm.ra_list_spinlock; for (i = atomic_read(hqp); i >= LOW_PRIO_TID; --i) { @@ -924,16 +917,10 @@ mwifiex_wmm_get_highest_priolist_ptr(struct mwifiex_adapter *adapter, do { is_list_empty = skb_queue_empty(&ptr->skb_head); - if (!is_list_empty) { - spin_lock_irqsave(lock, flags); - if (atomic_read(hqp) > i) - atomic_set(hqp, i); - spin_unlock_irqrestore(lock, - flags); - *priv = priv_tmp; - *tid = tos_to_tid[i]; - return ptr; - } + + if (!is_list_empty) + goto found; + /* Get next ra */ ptr = list_first_entry(&ptr->list, struct mwifiex_ra_list_tbl, @@ -970,6 +957,17 @@ mwifiex_wmm_get_highest_priolist_ptr(struct mwifiex_adapter *adapter, } while (bssprio_node != bssprio_head); } return NULL; + +found: + spin_lock_irqsave(&priv_tmp->wmm.ra_list_spinlock, flags); + if (atomic_read(hqp) > i) + atomic_set(hqp, i); + spin_unlock_irqrestore(&priv_tmp->wmm.ra_list_spinlock, flags); + + *priv = priv_tmp; + *tid = tos_to_tid[i]; + + return ptr; } /* @@ -1209,25 +1207,24 @@ mwifiex_dequeue_tx_packet(struct mwifiex_adapter *adapter) return 0; } - if (!ptr->is_11n_enabled || mwifiex_is_ba_stream_setup(priv, ptr, tid) - || ((priv->sec_info.wpa_enabled - || priv->sec_info.wpa2_enabled) && !priv->wpa_is_gtk_set) - ) { + if (!ptr->is_11n_enabled || + mwifiex_is_ba_stream_setup(priv, ptr, tid) || + ((priv->sec_info.wpa_enabled || + priv->sec_info.wpa2_enabled) && + !priv->wpa_is_gtk_set)) { mwifiex_send_single_packet(priv, ptr, ptr_index, flags); /* ra_list_spinlock has been freed in mwifiex_send_single_packet() */ } else { if (mwifiex_is_ampdu_allowed(priv, tid)) { if (mwifiex_space_avail_for_new_ba_stream(adapter)) { - mwifiex_11n_create_tx_ba_stream_tbl(priv, - ptr->ra, tid, - BA_STREAM_SETUP_INPROGRESS); + mwifiex_create_ba_tbl(priv, ptr->ra, tid, + BA_SETUP_INPROGRESS); mwifiex_send_addba(priv, tid, ptr->ra); } else if (mwifiex_find_stream_to_delete (priv, tid, &tid_del, ra)) { - mwifiex_11n_create_tx_ba_stream_tbl(priv, - ptr->ra, tid, - BA_STREAM_SETUP_INPROGRESS); + mwifiex_create_ba_tbl(priv, ptr->ra, tid, + BA_SETUP_INPROGRESS); mwifiex_send_delba(priv, tid_del, ra, 1); } } |