| /* |
| * Copyright (c) 2013-2019 The Linux Foundation. All rights reserved. |
| * |
| * Permission to use, copy, modify, and/or distribute this software for |
| * any purpose with or without fee is hereby granted, provided that the |
| * above copyright notice and this permission notice appear in all |
| * copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
| * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
| * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
| * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| * PERFORMANCE OF THIS SOFTWARE. |
| */ |
| |
| /* Include Files */ |
| #include "wlan_ipa_core.h" |
| #include "wlan_ipa_main.h" |
| #include <ol_txrx.h> |
| #include "cdp_txrx_ipa.h" |
| #include "wal_rx_desc.h" |
| #include "qdf_str.h" |
| #include "sir_api.h" |
| #include "host_diag_core_event.h" |
| #include "wlan_objmgr_vdev_obj.h" |
| |
| static struct wlan_ipa_priv *gp_ipa; |
| |
| static struct wlan_ipa_iface_2_client { |
| qdf_ipa_client_type_t cons_client; |
| qdf_ipa_client_type_t prod_client; |
| } wlan_ipa_iface_2_client[WLAN_IPA_CLIENT_MAX_IFACE] = { |
| { |
| QDF_IPA_CLIENT_WLAN2_CONS, QDF_IPA_CLIENT_WLAN1_PROD |
| }, { |
| QDF_IPA_CLIENT_WLAN3_CONS, QDF_IPA_CLIENT_WLAN1_PROD |
| }, { |
| QDF_IPA_CLIENT_WLAN4_CONS, QDF_IPA_CLIENT_WLAN1_PROD |
| } |
| }; |
| |
| /* Local Function Prototypes */ |
| static void wlan_ipa_i2w_cb(void *priv, qdf_ipa_dp_evt_type_t evt, |
| unsigned long data); |
| static void wlan_ipa_w2i_cb(void *priv, qdf_ipa_dp_evt_type_t evt, |
| unsigned long data); |
| |
| /** |
| * wlan_ipa_uc_sta_is_enabled() - Is STA mode IPA uC offload enabled? |
| * @ipa_cfg: IPA config |
| * |
| * Return: true if STA mode IPA uC offload is enabled, false otherwise |
| */ |
| static inline bool wlan_ipa_uc_sta_is_enabled(struct wlan_ipa_config *ipa_cfg) |
| { |
| return WLAN_IPA_IS_CONFIG_ENABLED(ipa_cfg, WLAN_IPA_UC_STA_ENABLE_MASK); |
| } |
| |
| /** |
| * wlan_ipa_is_pre_filter_enabled() - Is IPA pre-filter enabled? |
| * @ipa_cfg: IPA config |
| * |
| * Return: true if pre-filter is enabled, otherwise false |
| */ |
| static inline |
| bool wlan_ipa_is_pre_filter_enabled(struct wlan_ipa_config *ipa_cfg) |
| { |
| return WLAN_IPA_IS_CONFIG_ENABLED(ipa_cfg, |
| WLAN_IPA_PRE_FILTER_ENABLE_MASK); |
| } |
| |
| /** |
| * wlan_ipa_is_ipv6_enabled() - Is IPA IPv6 enabled? |
| * @ipa_cfg: IPA config |
| * |
| * Return: true if IPv6 is enabled, otherwise false |
| */ |
| static inline bool wlan_ipa_is_ipv6_enabled(struct wlan_ipa_config *ipa_cfg) |
| { |
| return WLAN_IPA_IS_CONFIG_ENABLED(ipa_cfg, WLAN_IPA_IPV6_ENABLE_MASK); |
| } |
| |
| /** |
| * wlan_ipa_is_sta_only_offload_enabled() - Is IPA STA only offload enabled |
| * |
| * STA only IPA offload is needed on MDM platforms to support |
| * tethering scenarios in STA-SAP configurations when SAP is idle. |
| * |
| * Currently in STA-SAP configurations, IPA pipes are enabled only |
| * when a wifi client is connected to SAP. |
| * |
| * Impact of this API is only limited to when IPA pipes are enabled |
| * and disabled. To take effect, WLAN_IPA_UC_STA_ENABLE_MASK needs to |
| * set to 1. |
| * |
| * Return: true if MDM_PLATFORM is defined, false otherwise |
| */ |
| #ifdef MDM_PLATFORM |
| static inline bool wlan_ipa_is_sta_only_offload_enabled(void) |
| { |
| return true; |
| } |
| #else |
| static inline bool wlan_ipa_is_sta_only_offload_enabled(void) |
| { |
| return false; |
| } |
| #endif |
| |
| /** |
| * wlan_ipa_msg_free_fn() - Free an IPA message |
| * @buff: pointer to the IPA message |
| * @len: length of the IPA message |
| * @type: type of IPA message |
| * |
| * Return: None |
| */ |
| static void wlan_ipa_msg_free_fn(void *buff, uint32_t len, uint32_t type) |
| { |
| ipa_debug("msg type:%d, len:%d", type, len); |
| qdf_mem_free(buff); |
| } |
| |
| /** |
| * wlan_ipa_uc_loaded_uc_cb() - IPA UC loaded event callback |
| * @priv_ctxt: IPA context |
| * |
| * Will be called by IPA context. |
| * It's atomic context, then should be scheduled to kworker thread |
| * |
| * Return: None |
| */ |
| static void wlan_ipa_uc_loaded_uc_cb(void *priv_ctxt) |
| { |
| struct wlan_ipa_priv *ipa_ctx; |
| struct op_msg_type *msg; |
| struct uc_op_work_struct *uc_op_work; |
| |
| if (!priv_ctxt) { |
| ipa_err("Invalid IPA context"); |
| return; |
| } |
| |
| ipa_ctx = priv_ctxt; |
| ipa_ctx->uc_loaded = true; |
| |
| uc_op_work = &ipa_ctx->uc_op_work[WLAN_IPA_UC_OPCODE_UC_READY]; |
| if (!list_empty(&uc_op_work->work.work.entry)) { |
| /* uc_op_work is not initialized yet */ |
| return; |
| } |
| |
| msg = qdf_mem_malloc(sizeof(*msg)); |
| if (!msg) { |
| ipa_err("op_msg allocation fails"); |
| return; |
| } |
| |
| msg->op_code = WLAN_IPA_UC_OPCODE_UC_READY; |
| |
| /* When the same uC OPCODE is already pended, just return */ |
| if (uc_op_work->msg) |
| goto done; |
| |
| uc_op_work->msg = msg; |
| qdf_sched_work(0, &uc_op_work->work); |
| |
| /* work handler will free the msg buffer */ |
| return; |
| |
| done: |
| qdf_mem_free(msg); |
| } |
| |
| /** |
| * wlan_ipa_uc_send_wdi_control_msg() - Set WDI control message |
| * @ctrl: WDI control value |
| * |
| * Send WLAN_WDI_ENABLE for ctrl = true and WLAN_WDI_DISABLE otherwise. |
| * |
| * Return: QDF_STATUS |
| */ |
| static QDF_STATUS wlan_ipa_uc_send_wdi_control_msg(bool ctrl) |
| { |
| struct wlan_ipa_priv *ipa_ctx = gp_ipa; |
| qdf_ipa_msg_meta_t meta; |
| qdf_ipa_wlan_msg_t *ipa_msg; |
| int ret = 0; |
| |
| /* WDI enable message to IPA */ |
| QDF_IPA_MSG_META_MSG_LEN(&meta) = sizeof(*ipa_msg); |
| ipa_msg = qdf_mem_malloc(QDF_IPA_MSG_META_MSG_LEN(&meta)); |
| if (!ipa_msg) { |
| ipa_err("msg allocation failed"); |
| return QDF_STATUS_E_NOMEM; |
| } |
| |
| if (ctrl) { |
| QDF_IPA_SET_META_MSG_TYPE(&meta, QDF_WDI_ENABLE); |
| ipa_ctx->stats.event[QDF_WDI_ENABLE]++; |
| } else { |
| QDF_IPA_SET_META_MSG_TYPE(&meta, QDF_WDI_DISABLE); |
| ipa_ctx->stats.event[QDF_WDI_DISABLE]++; |
| } |
| |
| ipa_debug("ipa_send_msg(Evt:%d)", QDF_IPA_MSG_META_MSG_TYPE(&meta)); |
| ret = qdf_ipa_send_msg(&meta, ipa_msg, wlan_ipa_msg_free_fn); |
| if (ret) { |
| ipa_err("ipa_send_msg(Evt:%d)-fail=%d", |
| QDF_IPA_MSG_META_MSG_TYPE(&meta), ret); |
| qdf_mem_free(ipa_msg); |
| return QDF_STATUS_E_FAILURE; |
| } |
| |
| return QDF_STATUS_SUCCESS; |
| } |
| |
| struct wlan_ipa_priv *wlan_ipa_get_obj_context(void) |
| { |
| return gp_ipa; |
| } |
| |
| /** |
| * wlan_ipa_send_pkt_to_tl() - Send an IPA packet to TL |
| * @iface_context: interface-specific IPA context |
| * @ipa_tx_desc: packet data descriptor |
| * |
| * Return: None |
| */ |
| static void wlan_ipa_send_pkt_to_tl( |
| struct wlan_ipa_iface_context *iface_context, |
| qdf_ipa_rx_data_t *ipa_tx_desc) |
| { |
| struct wlan_ipa_priv *ipa_ctx = iface_context->ipa_ctx; |
| struct wlan_objmgr_pdev *pdev; |
| struct wlan_objmgr_psoc *psoc; |
| qdf_device_t osdev; |
| qdf_nbuf_t skb; |
| struct wlan_ipa_tx_desc *tx_desc; |
| qdf_dma_addr_t paddr; |
| QDF_STATUS status; |
| |
| if (!ipa_ctx) |
| return; |
| pdev = ipa_ctx->pdev; |
| psoc = wlan_pdev_get_psoc(pdev); |
| osdev = wlan_psoc_get_qdf_dev(psoc); |
| |
| qdf_spin_lock_bh(&iface_context->interface_lock); |
| /* |
| * During CAC period, data packets shouldn't be sent over the air so |
| * drop all the packets here |
| */ |
| if (iface_context->device_mode == QDF_SAP_MODE || |
| iface_context->device_mode == QDF_P2P_GO_MODE) { |
| if (ipa_ctx->dfs_cac_block_tx) { |
| ipa_free_skb(ipa_tx_desc); |
| qdf_spin_unlock_bh(&iface_context->interface_lock); |
| iface_context->stats.num_tx_cac_drop++; |
| wlan_ipa_wdi_rm_try_release(ipa_ctx); |
| return; |
| } |
| } |
| |
| if (!osdev) { |
| ipa_free_skb(ipa_tx_desc); |
| iface_context->stats.num_tx_drop++; |
| qdf_spin_unlock_bh(&iface_context->interface_lock); |
| wlan_ipa_wdi_rm_try_release(ipa_ctx); |
| return; |
| } |
| qdf_spin_unlock_bh(&iface_context->interface_lock); |
| |
| skb = QDF_IPA_RX_DATA_SKB(ipa_tx_desc); |
| |
| qdf_mem_zero(skb->cb, sizeof(skb->cb)); |
| |
| /* Store IPA Tx buffer ownership into SKB CB */ |
| qdf_nbuf_ipa_owned_set(skb); |
| |
| if (qdf_mem_smmu_s1_enabled(osdev)) { |
| status = qdf_nbuf_map(osdev, skb, QDF_DMA_TO_DEVICE); |
| if (QDF_IS_STATUS_SUCCESS(status)) { |
| paddr = qdf_nbuf_get_frag_paddr(skb, 0); |
| } else { |
| ipa_free_skb(ipa_tx_desc); |
| qdf_spin_lock_bh(&iface_context->interface_lock); |
| iface_context->stats.num_tx_drop++; |
| qdf_spin_unlock_bh(&iface_context->interface_lock); |
| wlan_ipa_wdi_rm_try_release(ipa_ctx); |
| return; |
| } |
| } else { |
| paddr = QDF_IPA_RX_DATA_DMA_ADDR(ipa_tx_desc); |
| } |
| |
| if (wlan_ipa_uc_sta_is_enabled(ipa_ctx->config)) { |
| qdf_nbuf_mapped_paddr_set(skb, |
| paddr + |
| WLAN_IPA_WLAN_FRAG_HEADER + |
| WLAN_IPA_WLAN_IPA_HEADER); |
| QDF_IPA_RX_DATA_SKB_LEN(ipa_tx_desc) -= |
| WLAN_IPA_WLAN_FRAG_HEADER + WLAN_IPA_WLAN_IPA_HEADER; |
| } else { |
| qdf_nbuf_mapped_paddr_set(skb, paddr); |
| } |
| |
| qdf_spin_lock_bh(&ipa_ctx->q_lock); |
| /* get free Tx desc and assign ipa_tx_desc pointer */ |
| if (qdf_list_remove_front(&ipa_ctx->tx_desc_free_list, |
| (qdf_list_node_t **)&tx_desc) == |
| QDF_STATUS_SUCCESS) { |
| tx_desc->ipa_tx_desc_ptr = ipa_tx_desc; |
| ipa_ctx->stats.num_tx_desc_q_cnt++; |
| qdf_spin_unlock_bh(&ipa_ctx->q_lock); |
| /* Store Tx Desc index into SKB CB */ |
| QDF_NBUF_CB_TX_IPA_PRIV(skb) = tx_desc->id; |
| } else { |
| ipa_ctx->stats.num_tx_desc_error++; |
| qdf_spin_unlock_bh(&ipa_ctx->q_lock); |
| |
| if (qdf_mem_smmu_s1_enabled(osdev)) { |
| if (wlan_ipa_uc_sta_is_enabled(ipa_ctx->config)) |
| qdf_nbuf_mapped_paddr_set(skb, paddr); |
| |
| qdf_nbuf_unmap(osdev, skb, QDF_DMA_TO_DEVICE); |
| } |
| |
| qdf_ipa_free_skb(ipa_tx_desc); |
| wlan_ipa_wdi_rm_try_release(ipa_ctx); |
| return; |
| } |
| |
| skb = cdp_ipa_tx_send_data_frame(cds_get_context(QDF_MODULE_ID_SOC), |
| (struct cdp_vdev *)iface_context->tl_context, |
| QDF_IPA_RX_DATA_SKB(ipa_tx_desc)); |
| if (skb) { |
| qdf_nbuf_free(skb); |
| iface_context->stats.num_tx_err++; |
| return; |
| } |
| |
| atomic_inc(&ipa_ctx->tx_ref_cnt); |
| |
| iface_context->stats.num_tx++; |
| } |
| |
| /** |
| * wlan_ipa_forward() - handle packet forwarding to wlan tx |
| * @ipa_ctx: pointer to ipa ipa context |
| * @iface_ctx: interface context |
| * @skb: data pointer |
| * |
| * if exception packet has set forward bit, copied new packet should be |
| * forwarded to wlan tx. if wlan subsystem is in suspend state, packet should |
| * put into pm queue and tx procedure will be differed |
| * |
| * Return: None |
| */ |
| static void wlan_ipa_forward(struct wlan_ipa_priv *ipa_ctx, |
| struct wlan_ipa_iface_context *iface_ctx, |
| qdf_nbuf_t skb) |
| { |
| struct wlan_ipa_pm_tx_cb *pm_tx_cb; |
| |
| qdf_spin_lock_bh(&ipa_ctx->pm_lock); |
| |
| /* Set IPA ownership for intra-BSS Tx packets to avoid skb_orphan */ |
| qdf_nbuf_ipa_owned_set(skb); |
| |
| /* WLAN subsystem is in suspend, put in queue */ |
| if (ipa_ctx->suspended) { |
| qdf_spin_unlock_bh(&ipa_ctx->pm_lock); |
| ipa_info_rl("Tx in suspend, put in queue"); |
| qdf_mem_zero(skb->cb, sizeof(skb->cb)); |
| pm_tx_cb = (struct wlan_ipa_pm_tx_cb *)skb->cb; |
| pm_tx_cb->exception = true; |
| pm_tx_cb->iface_context = iface_ctx; |
| qdf_spin_lock_bh(&ipa_ctx->pm_lock); |
| qdf_nbuf_queue_add(&ipa_ctx->pm_queue_head, skb); |
| qdf_spin_unlock_bh(&ipa_ctx->pm_lock); |
| ipa_ctx->stats.num_tx_queued++; |
| } else { |
| /* Resume, put packet into WLAN TX */ |
| qdf_spin_unlock_bh(&ipa_ctx->pm_lock); |
| |
| if (ipa_ctx->softap_xmit) { |
| if (ipa_ctx->softap_xmit(skb, iface_ctx->dev)) { |
| ipa_err_rl("packet Tx fail"); |
| ipa_ctx->stats.num_tx_fwd_err++; |
| } else { |
| ipa_ctx->stats.num_tx_fwd_ok++; |
| } |
| } else { |
| dev_kfree_skb_any(skb); |
| } |
| } |
| } |
| |
| /** |
| * wlan_ipa_intrabss_forward() - Forward intra bss packets. |
| * @ipa_ctx: pointer to IPA IPA struct |
| * @iface_ctx: ipa interface context |
| * @desc: Firmware descriptor |
| * @skb: Data buffer |
| * |
| * Return: |
| * WLAN_IPA_FORWARD_PKT_NONE |
| * WLAN_IPA_FORWARD_PKT_DISCARD |
| * WLAN_IPA_FORWARD_PKT_LOCAL_STACK |
| * |
| */ |
| |
| static enum wlan_ipa_forward_type wlan_ipa_intrabss_forward( |
| struct wlan_ipa_priv *ipa_ctx, |
| struct wlan_ipa_iface_context *iface_ctx, |
| uint8_t desc, |
| qdf_nbuf_t skb) |
| { |
| int ret = WLAN_IPA_FORWARD_PKT_NONE; |
| void *soc = cds_get_context(QDF_MODULE_ID_SOC); |
| void *pdev = cds_get_context(QDF_MODULE_ID_TXRX); |
| |
| if ((desc & FW_RX_DESC_FORWARD_M)) { |
| void *vdev = cdp_get_vdev_from_vdev_id(soc, pdev, |
| iface_ctx->session_id); |
| if (!vdev) |
| goto drop_pkt; |
| |
| if (cdp_tx_desc_thresh_reached(soc, vdev)) { |
| /* Drop the packet*/ |
| ipa_ctx->stats.num_tx_fwd_err++; |
| goto drop_pkt; |
| } |
| |
| ipa_debug_rl("Forward packet to Tx (fw_desc=%d)", desc); |
| ipa_ctx->ipa_tx_forward++; |
| |
| if ((desc & FW_RX_DESC_DISCARD_M)) { |
| wlan_ipa_forward(ipa_ctx, iface_ctx, skb); |
| ipa_ctx->ipa_rx_internal_drop_count++; |
| ipa_ctx->ipa_rx_discard++; |
| ret = WLAN_IPA_FORWARD_PKT_DISCARD; |
| } else { |
| struct sk_buff *cloned_skb = skb_clone(skb, GFP_ATOMIC); |
| |
| if (cloned_skb) |
| wlan_ipa_forward(ipa_ctx, iface_ctx, |
| cloned_skb); |
| else |
| ipa_err_rl("tx skb alloc failed"); |
| ret = WLAN_IPA_FORWARD_PKT_LOCAL_STACK; |
| } |
| } |
| return ret; |
| |
| drop_pkt: |
| dev_kfree_skb_any(skb); |
| ret = WLAN_IPA_FORWARD_PKT_DISCARD; |
| return ret; |
| } |
| |
| #ifdef CONFIG_IPA_WDI_UNIFIED_API |
| /* |
| * TODO: Get WDI version through FW capabilities |
| */ |
| #if defined(QCA_WIFI_QCA6290) || defined(QCA_WIFI_QCA6390) || \ |
| defined(QCA_WIFI_QCA6490) |
| static inline void wlan_ipa_wdi_get_wdi_version(struct wlan_ipa_priv *ipa_ctx) |
| { |
| ipa_ctx->wdi_version = IPA_WDI_3; |
| } |
| #elif defined(QCA_WIFI_3_0) |
| static inline void wlan_ipa_wdi_get_wdi_version(struct wlan_ipa_priv *ipa_ctx) |
| { |
| ipa_ctx->wdi_version = IPA_WDI_2; |
| } |
| #else |
| static inline void wlan_ipa_wdi_get_wdi_version(struct wlan_ipa_priv *ipa_ctx) |
| { |
| ipa_ctx->wdi_version = IPA_WDI_1; |
| } |
| #endif |
| |
| static inline bool wlan_ipa_wdi_is_smmu_enabled(struct wlan_ipa_priv *ipa_ctx, |
| qdf_device_t osdev) |
| { |
| return ipa_ctx->is_smmu_enabled && qdf_mem_smmu_s1_enabled(osdev); |
| } |
| |
| static inline QDF_STATUS wlan_ipa_wdi_setup(struct wlan_ipa_priv *ipa_ctx, |
| qdf_device_t osdev) |
| { |
| qdf_ipa_sys_connect_params_t sys_in[WLAN_IPA_MAX_IFACE]; |
| int i; |
| |
| for (i = 0; i < WLAN_IPA_MAX_IFACE; i++) |
| qdf_mem_copy(&sys_in[i], |
| &ipa_ctx->sys_pipe[i].ipa_sys_params, |
| sizeof(qdf_ipa_sys_connect_params_t)); |
| |
| return cdp_ipa_setup(ipa_ctx->dp_soc, ipa_ctx->dp_pdev, |
| wlan_ipa_i2w_cb, wlan_ipa_w2i_cb, |
| wlan_ipa_wdi_meter_notifier_cb, |
| ipa_ctx->config->desc_size, |
| ipa_ctx, wlan_ipa_is_rm_enabled(ipa_ctx->config), |
| &ipa_ctx->tx_pipe_handle, |
| &ipa_ctx->rx_pipe_handle, |
| wlan_ipa_wdi_is_smmu_enabled(ipa_ctx, osdev), |
| sys_in, ipa_ctx->over_gsi); |
| } |
| |
| #ifdef FEATURE_METERING |
| /** |
| * wlan_ipa_wdi_init_metering() - IPA WDI metering init |
| * @ipa_ctx: IPA context |
| * @in: IPA WDI in param |
| * |
| * Return: QDF_STATUS |
| */ |
| static inline void wlan_ipa_wdi_init_metering(struct wlan_ipa_priv *ipa_ctxt, |
| qdf_ipa_wdi_init_in_params_t *in) |
| { |
| QDF_IPA_WDI_INIT_IN_PARAMS_WDI_NOTIFY(in) = |
| wlan_ipa_wdi_meter_notifier_cb; |
| } |
| #else |
| static inline void wlan_ipa_wdi_init_metering(struct wlan_ipa_priv *ipa_ctxt, |
| qdf_ipa_wdi_init_in_params_t *in) |
| { |
| } |
| #endif |
| |
| /** |
| * wlan_ipa_wdi_init() - IPA WDI init |
| * @ipa_ctx: IPA context |
| * |
| * Return: QDF_STATUS |
| */ |
| static inline QDF_STATUS wlan_ipa_wdi_init(struct wlan_ipa_priv *ipa_ctx) |
| { |
| qdf_ipa_wdi_init_in_params_t in; |
| qdf_ipa_wdi_init_out_params_t out; |
| int ret; |
| |
| ipa_ctx->uc_loaded = false; |
| |
| qdf_mem_zero(&in, sizeof(in)); |
| qdf_mem_zero(&out, sizeof(out)); |
| |
| QDF_IPA_WDI_INIT_IN_PARAMS_WDI_VERSION(&in) = ipa_ctx->wdi_version; |
| QDF_IPA_WDI_INIT_IN_PARAMS_NOTIFY(&in) = wlan_ipa_uc_loaded_uc_cb; |
| QDF_IPA_WDI_INIT_IN_PARAMS_PRIV(&in) = ipa_ctx; |
| wlan_ipa_wdi_init_metering(ipa_ctx, &in); |
| |
| ret = qdf_ipa_wdi_init(&in, &out); |
| if (ret) { |
| ipa_err("ipa_wdi_init failed with ret=%d", ret); |
| return QDF_STATUS_E_FAILURE; |
| } |
| |
| ipa_ctx->over_gsi = |
| QDF_IPA_WDI_INIT_OUT_PARAMS_IS_OVER_GSI(&out); |
| ipa_ctx->is_smmu_enabled = |
| QDF_IPA_WDI_INIT_OUT_PARAMS_IS_SMMU_ENABLED(&out); |
| ipa_info("ipa_over_gsi: %d, is_smmu_enabled: %d", |
| ipa_ctx->over_gsi, ipa_ctx->is_smmu_enabled); |
| |
| if (QDF_IPA_WDI_INIT_OUT_PARAMS_IS_UC_READY(&out)) { |
| ipa_debug("IPA uC READY"); |
| ipa_ctx->uc_loaded = true; |
| } else { |
| ipa_info("IPA uc not ready"); |
| return QDF_STATUS_E_BUSY; |
| } |
| |
| return QDF_STATUS_SUCCESS; |
| } |
| |
| static inline int wlan_ipa_wdi_cleanup(void) |
| { |
| int ret; |
| |
| ret = qdf_ipa_wdi_cleanup(); |
| if (ret) |
| ipa_info("ipa_wdi_cleanup failed ret=%d", ret); |
| return ret; |
| } |
| |
| static inline int wlan_ipa_wdi_setup_sys_pipe(struct wlan_ipa_priv *ipa_ctx, |
| struct ipa_sys_connect_params *sys, |
| uint32_t *handle) |
| { |
| return 0; |
| } |
| |
| static inline int wlan_ipa_wdi_teardown_sys_pipe(struct wlan_ipa_priv *ipa_ctx, |
| uint32_t handle) |
| { |
| return 0; |
| } |
| |
| /** |
| * wlan_ipa_pm_flush() - flush queued packets |
| * @work: pointer to the scheduled work |
| * |
| * Called during PM resume to send packets to TL which were queued |
| * while host was in the process of suspending. |
| * |
| * Return: None |
| */ |
| static void wlan_ipa_pm_flush(void *data) |
| { |
| struct wlan_ipa_priv *ipa_ctx = (struct wlan_ipa_priv *)data; |
| struct wlan_ipa_pm_tx_cb *pm_tx_cb = NULL; |
| qdf_nbuf_t skb; |
| uint32_t dequeued = 0; |
| |
| qdf_spin_lock_bh(&ipa_ctx->pm_lock); |
| while (((skb = qdf_nbuf_queue_remove(&ipa_ctx->pm_queue_head)) != |
| NULL)) { |
| qdf_spin_unlock_bh(&ipa_ctx->pm_lock); |
| |
| pm_tx_cb = (struct wlan_ipa_pm_tx_cb *)skb->cb; |
| dequeued++; |
| |
| if (pm_tx_cb->exception) { |
| if (ipa_ctx->softap_xmit && |
| pm_tx_cb->iface_context->dev) { |
| ipa_ctx->softap_xmit(skb, |
| pm_tx_cb->iface_context->dev); |
| ipa_ctx->stats.num_tx_fwd_ok++; |
| } else { |
| dev_kfree_skb_any(skb); |
| } |
| } else { |
| wlan_ipa_send_pkt_to_tl(pm_tx_cb->iface_context, |
| pm_tx_cb->ipa_tx_desc); |
| } |
| |
| qdf_spin_lock_bh(&ipa_ctx->pm_lock); |
| } |
| qdf_spin_unlock_bh(&ipa_ctx->pm_lock); |
| |
| ipa_ctx->stats.num_tx_dequeued += dequeued; |
| if (dequeued > ipa_ctx->stats.num_max_pm_queue) |
| ipa_ctx->stats.num_max_pm_queue = dequeued; |
| } |
| |
| int wlan_ipa_uc_smmu_map(bool map, uint32_t num_buf, qdf_mem_info_t *buf_arr) |
| { |
| if (!num_buf) { |
| ipa_info("No buffers to map/unmap"); |
| return 0; |
| } |
| |
| if (map) |
| return qdf_ipa_wdi_create_smmu_mapping(num_buf, buf_arr); |
| else |
| return qdf_ipa_wdi_release_smmu_mapping(num_buf, buf_arr); |
| } |
| |
| #ifdef MDM_PLATFORM |
| /** |
| * is_rx_dest_bridge_dev() - is RX skb bridge device terminated |
| * @iface_ctx: pointer to WLAN IPA interface context |
| * @nbuf: skb buffer |
| * |
| * Check if skb is destined for bridge device, where SAP is a bridge |
| * port of it. |
| * |
| * FIXME: If there's a BH lockless API to check if destination MAC |
| * address is a valid peer, this check can be deleted. Currently |
| * dp_find_peer_by_addr() is used to check if destination MAC |
| * is a valid peer. Since WLAN IPA RX is in process context, |
| * qdf_spin_lock_bh in dp_find_peer_by_addr() turns to spin_lock_bh |
| * and this BH lock hurts netif_rx. |
| * |
| * Return: true/false |
| */ |
| static bool is_rx_dest_bridge_dev(struct wlan_ipa_iface_context *iface_ctx, |
| qdf_nbuf_t nbuf) |
| { |
| qdf_netdev_t master_ndev; |
| qdf_netdev_t ndev; |
| struct ethhdr *eh; |
| uint8_t da_is_bcmc; |
| bool ret; |
| |
| if (iface_ctx->device_mode != QDF_SAP_MODE) |
| return false; |
| |
| /* |
| * WDI 3.0 skb->cb[] info from IPA driver |
| * skb->cb[0] = vdev_id |
| * skb->cb[1].bit#1 = da_is_bcmc |
| */ |
| da_is_bcmc = ((uint8_t)nbuf->cb[1]) & 0x2; |
| if (da_is_bcmc) |
| return false; |
| |
| ndev = iface_ctx->dev; |
| if (!ndev) |
| return false; |
| |
| if (!netif_is_bridge_port(ndev)) |
| return false; |
| |
| rcu_read_lock(); |
| |
| master_ndev = netdev_master_upper_dev_get_rcu(ndev); |
| if (!master_ndev) { |
| ret = false; |
| goto out; |
| } |
| |
| eh = (struct ethhdr *)qdf_nbuf_data(nbuf); |
| if (qdf_mem_cmp(eh->h_dest, master_ndev->dev_addr, QDF_MAC_ADDR_SIZE)) { |
| ret = false; |
| goto out; |
| } |
| |
| ret = true; |
| |
| out: |
| rcu_read_unlock(); |
| return ret; |
| } |
| #else /* !MDM_PLATFORM */ |
| static bool is_rx_dest_bridge_dev(struct wlan_ipa_iface_context *iface_ctx, |
| qdf_nbuf_t nbuf) |
| { |
| return false; |
| } |
| #endif /* MDM_PLATFORM */ |
| |
| static enum wlan_ipa_forward_type |
| wlan_ipa_rx_intrabss_fwd(struct wlan_ipa_priv *ipa_ctx, |
| struct wlan_ipa_iface_context *iface_ctx, |
| qdf_nbuf_t nbuf) |
| { |
| uint8_t fw_desc = 0; |
| bool fwd_success; |
| int ret; |
| |
| /* legacy intra-bss fowarding for WDI 1.0 and 2.0 */ |
| if (ipa_ctx->wdi_version != IPA_WDI_3) { |
| fw_desc = (uint8_t)nbuf->cb[1]; |
| return wlan_ipa_intrabss_forward(ipa_ctx, iface_ctx, fw_desc, |
| nbuf); |
| } |
| |
| if (is_rx_dest_bridge_dev(iface_ctx, nbuf)) { |
| fwd_success = 0; |
| ret = WLAN_IPA_FORWARD_PKT_LOCAL_STACK; |
| goto exit; |
| } |
| |
| if (cdp_ipa_rx_intrabss_fwd(ipa_ctx->dp_soc, iface_ctx->tl_context, |
| nbuf, &fwd_success)) { |
| ipa_ctx->ipa_rx_internal_drop_count++; |
| ipa_ctx->ipa_rx_discard++; |
| |
| ret = WLAN_IPA_FORWARD_PKT_DISCARD; |
| } else { |
| ret = WLAN_IPA_FORWARD_PKT_LOCAL_STACK; |
| } |
| |
| exit: |
| if (fwd_success) |
| ipa_ctx->stats.num_tx_fwd_ok++; |
| else |
| ipa_ctx->stats.num_tx_fwd_err++; |
| |
| return ret; |
| } |
| |
| #else /* CONFIG_IPA_WDI_UNIFIED_API */ |
| |
| static inline void wlan_ipa_wdi_get_wdi_version(struct wlan_ipa_priv *ipa_ctx) |
| { |
| } |
| |
| static inline int wlan_ipa_wdi_is_smmu_enabled(struct wlan_ipa_priv *ipa_ctx, |
| qdf_device_t osdev) |
| { |
| return qdf_mem_smmu_s1_enabled(osdev); |
| } |
| |
| static inline QDF_STATUS wlan_ipa_wdi_setup(struct wlan_ipa_priv *ipa_ctx, |
| qdf_device_t osdev) |
| { |
| return cdp_ipa_setup(ipa_ctx->dp_soc, ipa_ctx->dp_pdev, |
| wlan_ipa_i2w_cb, wlan_ipa_w2i_cb, |
| wlan_ipa_wdi_meter_notifier_cb, |
| ipa_ctx->config->desc_size, |
| ipa_ctx, wlan_ipa_is_rm_enabled(ipa_ctx->config), |
| &ipa_ctx->tx_pipe_handle, |
| &ipa_ctx->rx_pipe_handle); |
| } |
| |
| static inline QDF_STATUS wlan_ipa_wdi_init(struct wlan_ipa_priv *ipa_ctx) |
| { |
| struct ipa_wdi_uc_ready_params uc_ready_param; |
| |
| ipa_ctx->uc_loaded = false; |
| uc_ready_param.priv = (void *)ipa_ctx; |
| uc_ready_param.notify = wlan_ipa_uc_loaded_uc_cb; |
| if (qdf_ipa_uc_reg_rdyCB(&uc_ready_param)) { |
| ipa_info("UC Ready CB register fail"); |
| return QDF_STATUS_E_FAILURE; |
| } |
| |
| if (true == uc_ready_param.is_uC_ready) { |
| ipa_info("UC Ready"); |
| ipa_ctx->uc_loaded = true; |
| } else { |
| return QDF_STATUS_E_BUSY; |
| } |
| |
| return QDF_STATUS_SUCCESS; |
| } |
| |
| static inline int wlan_ipa_wdi_cleanup(void) |
| { |
| int ret; |
| |
| ret = qdf_ipa_uc_dereg_rdyCB(); |
| if (ret) |
| ipa_info("UC Ready CB deregister fail"); |
| return ret; |
| } |
| |
| static inline int wlan_ipa_wdi_setup_sys_pipe( |
| struct wlan_ipa_priv *ipa_ctx, |
| struct ipa_sys_connect_params *sys, uint32_t *handle) |
| { |
| return qdf_ipa_setup_sys_pipe(sys, handle); |
| } |
| |
| static inline int wlan_ipa_wdi_teardown_sys_pipe( |
| struct wlan_ipa_priv *ipa_ctx, |
| uint32_t handle) |
| { |
| return qdf_ipa_teardown_sys_pipe(handle); |
| } |
| |
| /** |
| * wlan_ipa_pm_flush() - flush queued packets |
| * @work: pointer to the scheduled work |
| * |
| * Called during PM resume to send packets to TL which were queued |
| * while host was in the process of suspending. |
| * |
| * Return: None |
| */ |
| static void wlan_ipa_pm_flush(void *data) |
| { |
| struct wlan_ipa_priv *ipa_ctx = (struct wlan_ipa_priv *)data; |
| struct wlan_ipa_pm_tx_cb *pm_tx_cb = NULL; |
| qdf_nbuf_t skb; |
| uint32_t dequeued = 0; |
| |
| qdf_wake_lock_acquire(&ipa_ctx->wake_lock, |
| WIFI_POWER_EVENT_WAKELOCK_IPA); |
| qdf_spin_lock_bh(&ipa_ctx->pm_lock); |
| while (((skb = qdf_nbuf_queue_remove(&ipa_ctx->pm_queue_head)) != |
| NULL)) { |
| qdf_spin_unlock_bh(&ipa_ctx->pm_lock); |
| |
| pm_tx_cb = (struct wlan_ipa_pm_tx_cb *)skb->cb; |
| dequeued++; |
| |
| if (pm_tx_cb->exception) { |
| if (ipa_ctx->softap_xmit && |
| pm_tx_cb->iface_context->dev) { |
| ipa_ctx->softap_xmit(skb, |
| pm_tx_cb->iface_context->dev); |
| ipa_ctx->stats.num_tx_fwd_ok++; |
| } else { |
| dev_kfree_skb_any(skb); |
| } |
| } else { |
| wlan_ipa_send_pkt_to_tl(pm_tx_cb->iface_context, |
| pm_tx_cb->ipa_tx_desc); |
| } |
| |
| qdf_spin_lock_bh(&ipa_ctx->pm_lock); |
| } |
| qdf_spin_unlock_bh(&ipa_ctx->pm_lock); |
| qdf_wake_lock_release(&ipa_ctx->wake_lock, |
| WIFI_POWER_EVENT_WAKELOCK_IPA); |
| |
| ipa_ctx->stats.num_tx_dequeued += dequeued; |
| if (dequeued > ipa_ctx->stats.num_max_pm_queue) |
| ipa_ctx->stats.num_max_pm_queue = dequeued; |
| } |
| |
| int wlan_ipa_uc_smmu_map(bool map, uint32_t num_buf, qdf_mem_info_t *buf_arr) |
| { |
| if (!num_buf) { |
| ipa_info("No buffers to map/unmap"); |
| return 0; |
| } |
| |
| if (map) |
| return qdf_ipa_create_wdi_mapping(num_buf, buf_arr); |
| else |
| return qdf_ipa_release_wdi_mapping(num_buf, buf_arr); |
| } |
| |
| static enum wlan_ipa_forward_type |
| wlan_ipa_rx_intrabss_fwd(struct wlan_ipa_priv *ipa_ctx, |
| struct wlan_ipa_iface_context *iface_ctx, |
| qdf_nbuf_t nbuf) |
| { |
| uint8_t fw_desc; |
| |
| fw_desc = (uint8_t)nbuf->cb[1]; |
| |
| return wlan_ipa_intrabss_forward(ipa_ctx, iface_ctx, fw_desc, nbuf); |
| } |
| |
| #endif /* CONFIG_IPA_WDI_UNIFIED_API */ |
| |
| /** |
| * wlan_ipa_send_skb_to_network() - Send skb to kernel |
| * @skb: network buffer |
| * @iface_ctx: IPA interface context |
| * |
| * Called when a network buffer is received which should not be routed |
| * to the IPA module. |
| * |
| * Return: None |
| */ |
| static void |
| wlan_ipa_send_skb_to_network(qdf_nbuf_t skb, |
| struct wlan_ipa_iface_context *iface_ctx) |
| { |
| struct wlan_ipa_priv *ipa_ctx = gp_ipa; |
| |
| if (!iface_ctx->dev) { |
| ipa_debug_rl("Invalid interface"); |
| ipa_ctx->ipa_rx_internal_drop_count++; |
| dev_kfree_skb_any(skb); |
| return; |
| } |
| |
| skb->destructor = wlan_ipa_uc_rt_debug_destructor; |
| |
| if (ipa_ctx->send_to_nw) |
| ipa_ctx->send_to_nw(skb, iface_ctx->dev); |
| |
| ipa_ctx->ipa_rx_net_send_count++; |
| } |
| |
| /** |
| * __wlan_ipa_w2i_cb() - WLAN to IPA callback handler |
| * @priv: pointer to private data registered with IPA (we register a |
| * pointer to the global IPA context) |
| * @evt: the IPA event which triggered the callback |
| * @data: data associated with the event |
| * |
| * Return: None |
| */ |
| static void __wlan_ipa_w2i_cb(void *priv, qdf_ipa_dp_evt_type_t evt, |
| unsigned long data) |
| { |
| struct wlan_ipa_priv *ipa_ctx = NULL; |
| qdf_nbuf_t skb; |
| uint8_t iface_id; |
| uint8_t session_id = 0xff; |
| struct wlan_ipa_iface_context *iface_context; |
| |
| ipa_ctx = (struct wlan_ipa_priv *)priv; |
| if (!ipa_ctx) { |
| if (evt == IPA_RECEIVE) { |
| skb = (qdf_nbuf_t)data; |
| dev_kfree_skb_any(skb); |
| } |
| return; |
| } |
| |
| switch (evt) { |
| case IPA_RECEIVE: |
| skb = (qdf_nbuf_t) data; |
| if (wlan_ipa_uc_is_enabled(ipa_ctx->config)) { |
| session_id = (uint8_t)skb->cb[0]; |
| iface_id = ipa_ctx->vdev_to_iface[session_id]; |
| } else { |
| iface_id = WLAN_IPA_GET_IFACE_ID(skb->data); |
| } |
| if (iface_id >= WLAN_IPA_MAX_IFACE) { |
| ipa_err_rl("Invalid iface_id: %u,session id: %x %x %x %x. Dropped!", |
| iface_id, session_id, (uint8_t)skb->cb[1], |
| (uint8_t)skb->cb[2], (uint8_t)skb->cb[3]); |
| ipa_ctx->ipa_rx_internal_drop_count++; |
| dev_kfree_skb_any(skb); |
| return; |
| } |
| |
| iface_context = &ipa_ctx->iface_context[iface_id]; |
| if (!iface_context->tl_context) { |
| ipa_err_rl("TL context of iface_id %u is NULL", |
| iface_id); |
| ipa_ctx->ipa_rx_internal_drop_count++; |
| dev_kfree_skb_any(skb); |
| return; |
| } |
| |
| if (wlan_ipa_uc_is_enabled(ipa_ctx->config)) { |
| ipa_ctx->stats.num_rx_excep++; |
| qdf_nbuf_pull_head(skb, WLAN_IPA_UC_WLAN_CLD_HDR_LEN); |
| } else { |
| qdf_nbuf_pull_head(skb, WLAN_IPA_WLAN_CLD_HDR_LEN); |
| } |
| iface_context->stats.num_rx_ipa_excep++; |
| |
| /* Disable to forward Intra-BSS Rx packets when |
| * ap_isolate=1 in hostapd.conf |
| */ |
| if (!ipa_ctx->ap_intrabss_fwd) { |
| /* |
| * When INTRA_BSS_FWD_OFFLOAD is enabled, FW will send |
| * all Rx packets to IPA uC, which need to be forwarded |
| * to other interface. |
| * And, IPA driver will send back to WLAN host driver |
| * through exception pipe with fw_desc field set by FW. |
| * Here we are checking fw_desc field for FORWARD bit |
| * set, and forward to Tx. Then copy to kernel stack |
| * only when DISCARD bit is not set. |
| */ |
| if (WLAN_IPA_FORWARD_PKT_DISCARD == |
| wlan_ipa_rx_intrabss_fwd(ipa_ctx, iface_context, |
| skb)) |
| break; |
| } else { |
| ipa_debug_rl("Intra-BSS forwarding is disabled"); |
| } |
| |
| wlan_ipa_send_skb_to_network(skb, iface_context); |
| break; |
| |
| default: |
| ipa_err_rl("w2i cb wrong event: 0x%x", evt); |
| return; |
| } |
| } |
| |
| #ifndef MDM_PLATFORM |
| /** |
| * wlan_ipa_w2i_cb() - SSR wrapper for __wlan_ipa_w2i_cb |
| * @priv: pointer to private data registered with IPA (we register a |
| * pointer to the global IPA context) |
| * @evt: the IPA event which triggered the callback |
| * @data: data associated with the event |
| * |
| * Return: None |
| */ |
| static void wlan_ipa_w2i_cb(void *priv, qdf_ipa_dp_evt_type_t evt, |
| unsigned long data) |
| { |
| struct qdf_op_sync *op_sync; |
| |
| if (qdf_op_protect(&op_sync)) { |
| if (evt == IPA_RECEIVE) { |
| struct wlan_ipa_priv *ipa_ctx = priv; |
| qdf_nbuf_t skb = (qdf_nbuf_t)data; |
| |
| ipa_ctx->ipa_rx_internal_drop_count++; |
| dev_kfree_skb_any(skb); |
| } |
| |
| return; |
| } |
| |
| __wlan_ipa_w2i_cb(priv, evt, data); |
| |
| qdf_op_unprotect(op_sync); |
| } |
| #else /* MDM_PLATFORM */ |
| static void wlan_ipa_w2i_cb(void *priv, qdf_ipa_dp_evt_type_t evt, |
| unsigned long data) |
| { |
| __wlan_ipa_w2i_cb(priv, evt, data); |
| } |
| #endif /* MDM_PLATFORM */ |
| |
| /** |
| * __wlan_ipa_i2w_cb() - IPA to WLAN callback |
| * @priv: pointer to private data registered with IPA (we register a |
| * pointer to the interface-specific IPA context) |
| * @evt: the IPA event which triggered the callback |
| * @data: data associated with the event |
| * |
| * Return: None |
| */ |
| static void __wlan_ipa_i2w_cb(void *priv, qdf_ipa_dp_evt_type_t evt, |
| unsigned long data) |
| { |
| struct wlan_ipa_priv *ipa_ctx = NULL; |
| qdf_ipa_rx_data_t *ipa_tx_desc; |
| struct wlan_ipa_iface_context *iface_context; |
| qdf_nbuf_t skb; |
| struct wlan_ipa_pm_tx_cb *pm_tx_cb = NULL; |
| |
| iface_context = (struct wlan_ipa_iface_context *)priv; |
| ipa_tx_desc = (qdf_ipa_rx_data_t *)data; |
| ipa_ctx = iface_context->ipa_ctx; |
| |
| if (evt != IPA_RECEIVE) { |
| ipa_err_rl("Event is not IPA_RECEIVE"); |
| ipa_free_skb(ipa_tx_desc); |
| iface_context->stats.num_tx_drop++; |
| return; |
| } |
| |
| skb = QDF_IPA_RX_DATA_SKB(ipa_tx_desc); |
| |
| /* |
| * If PROD resource is not requested here then there may be cases where |
| * IPA hardware may be clocked down because of not having proper |
| * dependency graph between WLAN CONS and modem PROD pipes. Adding the |
| * workaround to request PROD resource while data is going over CONS |
| * pipe to prevent the IPA hardware clockdown. |
| */ |
| wlan_ipa_wdi_rm_request(ipa_ctx); |
| |
| qdf_spin_lock_bh(&ipa_ctx->pm_lock); |
| /* |
| * If host is still suspended then queue the packets and these will be |
| * drained later when resume completes. When packet is arrived here and |
| * host is suspended, this means that there is already resume is in |
| * progress. |
| */ |
| if (ipa_ctx->suspended) { |
| qdf_mem_zero(skb->cb, sizeof(skb->cb)); |
| pm_tx_cb = (struct wlan_ipa_pm_tx_cb *)skb->cb; |
| pm_tx_cb->iface_context = iface_context; |
| pm_tx_cb->ipa_tx_desc = ipa_tx_desc; |
| qdf_nbuf_queue_add(&ipa_ctx->pm_queue_head, skb); |
| ipa_ctx->stats.num_tx_queued++; |
| |
| qdf_spin_unlock_bh(&ipa_ctx->pm_lock); |
| return; |
| } |
| |
| qdf_spin_unlock_bh(&ipa_ctx->pm_lock); |
| |
| /* |
| * If we are here means, host is not suspended, wait for the work queue |
| * to finish. |
| */ |
| qdf_flush_work(&ipa_ctx->pm_work); |
| |
| return wlan_ipa_send_pkt_to_tl(iface_context, ipa_tx_desc); |
| } |
| |
| /** |
| * wlan_ipa_i2w_cb() - IPA to WLAN callback |
| * @priv: pointer to private data registered with IPA (we register a |
| * pointer to the interface-specific IPA context) |
| * @evt: the IPA event which triggered the callback |
| * @data: data associated with the event |
| * |
| * Return: None |
| */ |
| static void wlan_ipa_i2w_cb(void *priv, qdf_ipa_dp_evt_type_t evt, |
| unsigned long data) |
| { |
| struct qdf_op_sync *op_sync; |
| |
| if (qdf_op_protect(&op_sync)) { |
| qdf_ipa_rx_data_t *ipa_tx_desc = (qdf_ipa_rx_data_t *)data; |
| struct wlan_ipa_iface_context *iface_context = priv; |
| |
| ipa_free_skb(ipa_tx_desc); |
| iface_context->stats.num_tx_drop++; |
| |
| return; |
| } |
| |
| __wlan_ipa_i2w_cb(priv, evt, data); |
| |
| qdf_op_unprotect(op_sync); |
| } |
| |
| QDF_STATUS wlan_ipa_suspend(struct wlan_ipa_priv *ipa_ctx) |
| { |
| /* |
| * Check if IPA is ready for suspend, If we are here means, there is |
| * high chance that suspend would go through but just to avoid any race |
| * condition after suspend started, these checks are conducted before |
| * allowing to suspend. |
| */ |
| if (atomic_read(&ipa_ctx->tx_ref_cnt)) |
| return QDF_STATUS_E_AGAIN; |
| |
| if (!wlan_ipa_is_rm_released(ipa_ctx)) |
| return QDF_STATUS_E_AGAIN; |
| |
| qdf_spin_lock_bh(&ipa_ctx->pm_lock); |
| ipa_ctx->suspended = true; |
| qdf_spin_unlock_bh(&ipa_ctx->pm_lock); |
| |
| if (ipa_ctx->config->ipa_force_voting && |
| !ipa_ctx->ipa_pipes_down) |
| wlan_ipa_set_perf_level(ipa_ctx, |
| ipa_ctx->config->bus_bw_high, |
| ipa_ctx->config->bus_bw_high); |
| |
| return QDF_STATUS_SUCCESS; |
| } |
| |
| QDF_STATUS wlan_ipa_resume(struct wlan_ipa_priv *ipa_ctx) |
| { |
| qdf_sched_work(0, &ipa_ctx->pm_work); |
| |
| qdf_spin_lock_bh(&ipa_ctx->pm_lock); |
| ipa_ctx->suspended = false; |
| qdf_spin_unlock_bh(&ipa_ctx->pm_lock); |
| |
| return QDF_STATUS_SUCCESS; |
| } |
| |
| QDF_STATUS wlan_ipa_uc_enable_pipes(struct wlan_ipa_priv *ipa_ctx) |
| { |
| int result; |
| |
| ipa_debug("enter"); |
| |
| if (!ipa_ctx->ipa_pipes_down) { |
| /* |
| * IPA WDI Pipes are already activated due to |
| * rm deferred resources grant |
| */ |
| ipa_warn("IPA WDI Pipes are already activated"); |
| goto end; |
| } |
| |
| result = cdp_ipa_enable_pipes(ipa_ctx->dp_soc, |
| ipa_ctx->dp_pdev); |
| if (result) { |
| ipa_err("Enable IPA WDI PIPE failed: ret=%d", result); |
| return QDF_STATUS_E_FAILURE; |
| } |
| |
| qdf_event_reset(&ipa_ctx->ipa_resource_comp); |
| ipa_ctx->ipa_pipes_down = false; |
| |
| cdp_ipa_enable_autonomy(ipa_ctx->dp_soc, |
| ipa_ctx->dp_pdev); |
| |
| end: |
| ipa_debug("exit: ipa_pipes_down=%d", ipa_ctx->ipa_pipes_down); |
| |
| return QDF_STATUS_SUCCESS; |
| } |
| |
| QDF_STATUS wlan_ipa_uc_disable_pipes(struct wlan_ipa_priv *ipa_ctx) |
| { |
| int result; |
| |
| ipa_debug("enter"); |
| |
| if (ipa_ctx->ipa_pipes_down) { |
| ipa_warn("IPA WDI Pipes are already deactivated"); |
| goto end; |
| } |
| |
| qdf_spin_lock_bh(&ipa_ctx->pipes_down_lock); |
| if (ipa_ctx->pipes_down_in_progress || ipa_ctx->ipa_pipes_down) { |
| ipa_warn("IPA WDI Pipes down already in progress"); |
| qdf_spin_unlock_bh(&ipa_ctx->pipes_down_lock); |
| return QDF_STATUS_E_ALREADY; |
| } |
| ipa_ctx->pipes_down_in_progress = true; |
| qdf_spin_unlock_bh(&ipa_ctx->pipes_down_lock); |
| |
| cdp_ipa_disable_autonomy(ipa_ctx->dp_soc, |
| ipa_ctx->dp_pdev); |
| |
| result = cdp_ipa_disable_pipes(ipa_ctx->dp_soc, |
| ipa_ctx->dp_pdev); |
| if (result) { |
| ipa_err("Disable IPA WDI PIPE failed: ret=%d", result); |
| ipa_ctx->pipes_down_in_progress = false; |
| return QDF_STATUS_E_FAILURE; |
| } |
| |
| ipa_ctx->ipa_pipes_down = true; |
| ipa_ctx->pipes_down_in_progress = false; |
| |
| end: |
| ipa_debug("exit: ipa_pipes_down=%d", ipa_ctx->ipa_pipes_down); |
| |
| return QDF_STATUS_SUCCESS; |
| } |
| |
| /** |
| * wlan_ipa_uc_find_add_assoc_sta() - Find associated station |
| * @ipa_ctx: Global IPA IPA context |
| * @sta_add: Should station be added |
| * @mac_addr: mac address of station being queried |
| * |
| * Return: true if the station was found |
| */ |
| static bool wlan_ipa_uc_find_add_assoc_sta(struct wlan_ipa_priv *ipa_ctx, |
| bool sta_add, |
| uint8_t *mac_addr) |
| { |
| bool sta_found = false; |
| uint8_t idx; |
| |
| for (idx = 0; idx < WLAN_IPA_MAX_STA_COUNT; idx++) { |
| if ((ipa_ctx->assoc_stas_map[idx].is_reserved) && |
| (qdf_is_macaddr_equal( |
| &ipa_ctx->assoc_stas_map[idx].mac_addr, |
| (struct qdf_mac_addr *)mac_addr))) { |
| sta_found = true; |
| break; |
| } |
| } |
| if (sta_add && sta_found) { |
| ipa_err("STA already exist, cannot add: " QDF_MAC_ADDR_STR, |
| QDF_MAC_ADDR_ARRAY(mac_addr)); |
| return sta_found; |
| } |
| if (sta_add) { |
| for (idx = 0; idx < WLAN_IPA_MAX_STA_COUNT; idx++) { |
| if (!ipa_ctx->assoc_stas_map[idx].is_reserved) { |
| ipa_ctx->assoc_stas_map[idx].is_reserved = true; |
| qdf_mem_copy(&ipa_ctx->assoc_stas_map[idx]. |
| mac_addr, mac_addr, |
| QDF_NET_ETH_LEN); |
| return sta_found; |
| } |
| } |
| } |
| if (!sta_add && !sta_found) { |
| ipa_err("STA does not exist, cannot delete: " QDF_MAC_ADDR_STR, |
| QDF_MAC_ADDR_ARRAY(mac_addr)); |
| return sta_found; |
| } |
| if (!sta_add) { |
| for (idx = 0; idx < WLAN_IPA_MAX_STA_COUNT; idx++) { |
| if ((ipa_ctx->assoc_stas_map[idx].is_reserved) && |
| (qdf_is_macaddr_equal( |
| &ipa_ctx->assoc_stas_map[idx].mac_addr, |
| (struct qdf_mac_addr *)mac_addr))) { |
| ipa_ctx->assoc_stas_map[idx].is_reserved = |
| false; |
| qdf_mem_zero( |
| &ipa_ctx->assoc_stas_map[idx].mac_addr, |
| QDF_NET_ETH_LEN); |
| return sta_found; |
| } |
| } |
| } |
| |
| return sta_found; |
| } |
| |
| /** |
| * wlan_ipa_get_ifaceid() - Get IPA context interface ID |
| * @ipa_ctx: IPA context |
| * @session_id: Session ID |
| * |
| * Return: None |
| */ |
| static int wlan_ipa_get_ifaceid(struct wlan_ipa_priv *ipa_ctx, |
| uint8_t session_id) |
| { |
| struct wlan_ipa_iface_context *iface_ctx; |
| int i; |
| |
| for (i = 0; i < WLAN_IPA_MAX_IFACE; i++) { |
| iface_ctx = &ipa_ctx->iface_context[i]; |
| if (iface_ctx->session_id == session_id) |
| break; |
| } |
| |
| return i; |
| } |
| |
| /** |
| * wlan_ipa_cleanup_iface() - Cleanup IPA on a given interface |
| * @iface_context: interface-specific IPA context |
| * |
| * Return: None |
| */ |
| static void wlan_ipa_cleanup_iface(struct wlan_ipa_iface_context *iface_context) |
| { |
| struct wlan_ipa_priv *ipa_ctx = iface_context->ipa_ctx; |
| |
| ipa_debug("enter"); |
| |
| if (!iface_context->tl_context) |
| return; |
| |
| cdp_ipa_cleanup_iface(ipa_ctx->dp_soc, |
| iface_context->dev->name, |
| wlan_ipa_is_ipv6_enabled(ipa_ctx->config)); |
| |
| qdf_spin_lock_bh(&iface_context->interface_lock); |
| iface_context->tl_context = NULL; |
| iface_context->dev = NULL; |
| iface_context->device_mode = QDF_MAX_NO_OF_MODE; |
| iface_context->session_id = WLAN_IPA_MAX_SESSION; |
| qdf_spin_unlock_bh(&iface_context->interface_lock); |
| iface_context->ifa_address = 0; |
| if (!iface_context->ipa_ctx->num_iface) { |
| ipa_err("NUM INTF 0, Invalid"); |
| QDF_ASSERT(0); |
| } |
| iface_context->ipa_ctx->num_iface--; |
| ipa_debug("exit: num_iface=%d", iface_context->ipa_ctx->num_iface); |
| } |
| |
| /** |
| * wlan_ipa_nbuf_cb() - IPA TX complete callback |
| * @skb: packet buffer which was transmitted |
| * |
| * Return: None |
| */ |
| static void wlan_ipa_nbuf_cb(qdf_nbuf_t skb) |
| { |
| struct wlan_ipa_priv *ipa_ctx = gp_ipa; |
| qdf_ipa_rx_data_t *ipa_tx_desc; |
| struct wlan_ipa_tx_desc *tx_desc; |
| uint16_t id; |
| struct wlan_objmgr_pdev *pdev; |
| struct wlan_objmgr_psoc *psoc; |
| qdf_device_t osdev; |
| |
| if (!qdf_nbuf_ipa_owned_get(skb)) { |
| dev_kfree_skb_any(skb); |
| return; |
| } |
| |
| if (!ipa_ctx) |
| return; |
| pdev = ipa_ctx->pdev; |
| psoc = wlan_pdev_get_psoc(pdev); |
| osdev = wlan_psoc_get_qdf_dev(psoc); |
| |
| if (osdev && qdf_mem_smmu_s1_enabled(osdev)) { |
| if (wlan_ipa_uc_sta_is_enabled(ipa_ctx->config)) { |
| qdf_dma_addr_t paddr = QDF_NBUF_CB_PADDR(skb); |
| |
| qdf_nbuf_mapped_paddr_set(skb, |
| paddr - |
| WLAN_IPA_WLAN_FRAG_HEADER - |
| WLAN_IPA_WLAN_IPA_HEADER); |
| } |
| |
| qdf_nbuf_unmap(osdev, skb, QDF_DMA_TO_DEVICE); |
| } |
| |
| /* Get Tx desc pointer from SKB CB */ |
| id = QDF_NBUF_CB_TX_IPA_PRIV(skb); |
| tx_desc = &ipa_ctx->tx_desc_pool[id]; |
| ipa_tx_desc = tx_desc->ipa_tx_desc_ptr; |
| |
| /* Return Tx Desc to IPA */ |
| qdf_ipa_free_skb(ipa_tx_desc); |
| |
| /* Return to free tx desc list */ |
| qdf_spin_lock_bh(&ipa_ctx->q_lock); |
| tx_desc->ipa_tx_desc_ptr = NULL; |
| qdf_list_insert_back(&ipa_ctx->tx_desc_free_list, &tx_desc->node); |
| ipa_ctx->stats.num_tx_desc_q_cnt--; |
| qdf_spin_unlock_bh(&ipa_ctx->q_lock); |
| |
| ipa_ctx->stats.num_tx_comp_cnt++; |
| |
| qdf_atomic_dec(&ipa_ctx->tx_ref_cnt); |
| |
| wlan_ipa_wdi_rm_try_release(ipa_ctx); |
| } |
| |
| /** |
| * wlan_ipa_setup_iface() - Setup IPA on a given interface |
| * @ipa_ctx: IPA IPA global context |
| * @net_dev: Interface net device |
| * @device_mode: Net interface device mode |
| * @adapter: Interface upon which IPA is being setup |
| * @session_id: Station ID of the API instance |
| * |
| * Return: QDF STATUS |
| */ |
| static QDF_STATUS wlan_ipa_setup_iface(struct wlan_ipa_priv *ipa_ctx, |
| qdf_netdev_t net_dev, |
| uint8_t device_mode, |
| uint8_t session_id) |
| { |
| struct wlan_ipa_iface_context *iface_context = NULL; |
| void *tl_context = NULL; |
| int i; |
| QDF_STATUS status; |
| |
| /* Lower layer may send multiple START_BSS_EVENT in DFS mode or during |
| * channel change indication. Since these indications are sent by lower |
| * layer as SAP updates and IPA doesn't have to do anything for these |
| * updates so ignoring! |
| */ |
| if (device_mode == QDF_SAP_MODE) { |
| for (i = 0; i < WLAN_IPA_MAX_IFACE; i++) { |
| iface_context = &(ipa_ctx->iface_context[i]); |
| if (iface_context->dev == net_dev) { |
| ipa_debug("found iface %u device_mode %u", |
| i, device_mode); |
| return QDF_STATUS_SUCCESS; |
| } |
| } |
| } |
| |
| if (WLAN_IPA_MAX_IFACE == ipa_ctx->num_iface) { |
| ipa_err("Max interface reached %d", WLAN_IPA_MAX_IFACE); |
| status = QDF_STATUS_E_NOMEM; |
| QDF_ASSERT(0); |
| goto end; |
| } |
| |
| for (i = 0; i < WLAN_IPA_MAX_IFACE; i++) { |
| if (!ipa_ctx->iface_context[i].tl_context) { |
| iface_context = &(ipa_ctx->iface_context[i]); |
| break; |
| } |
| } |
| |
| if (!iface_context) { |
| ipa_err("All the IPA interfaces are in use"); |
| status = QDF_STATUS_E_NOMEM; |
| QDF_ASSERT(0); |
| goto end; |
| } |
| |
| tl_context = (void *)cdp_get_vdev_from_vdev_id(ipa_ctx->dp_soc, |
| ipa_ctx->dp_pdev, |
| session_id); |
| if (!tl_context) { |
| ipa_err("Not able to get TL context session_id: %d", |
| session_id); |
| status = QDF_STATUS_E_INVAL; |
| goto end; |
| } |
| |
| iface_context->tl_context = tl_context; |
| iface_context->dev = net_dev; |
| iface_context->device_mode = device_mode; |
| iface_context->session_id = session_id; |
| |
| status = cdp_ipa_setup_iface(ipa_ctx->dp_soc, net_dev->name, |
| net_dev->dev_addr, |
| iface_context->prod_client, |
| iface_context->cons_client, |
| session_id, |
| wlan_ipa_is_ipv6_enabled(ipa_ctx->config)); |
| if (status != QDF_STATUS_SUCCESS) |
| goto end; |
| |
| /* Register IPA Tx desc free callback */ |
| qdf_nbuf_reg_free_cb(wlan_ipa_nbuf_cb); |
| |
| ipa_ctx->num_iface++; |
| |
| ipa_debug("exit: num_iface=%d", ipa_ctx->num_iface); |
| |
| return status; |
| |
| end: |
| if (iface_context) |
| wlan_ipa_cleanup_iface(iface_context); |
| |
| return status; |
| } |
| |
| #if defined(QCA_WIFI_QCA6290) || defined(QCA_WIFI_QCA6390) || \ |
| defined(QCA_WIFI_QCA6490) |
| /** |
| * wlan_ipa_uc_handle_first_con() - Handle first uC IPA connection |
| * @ipa_ctx: IPA context |
| * |
| * Return: QDF STATUS |
| */ |
| static QDF_STATUS wlan_ipa_uc_handle_first_con(struct wlan_ipa_priv *ipa_ctx) |
| { |
| ipa_debug("enter"); |
| |
| if (wlan_ipa_uc_enable_pipes(ipa_ctx) != QDF_STATUS_SUCCESS) { |
| ipa_err("IPA WDI Pipe activation failed"); |
| return QDF_STATUS_E_BUSY; |
| } |
| |
| ipa_debug("exit"); |
| |
| return QDF_STATUS_SUCCESS; |
| } |
| |
| /** |
| * wlan_ipa_uc_handle_last_discon() - Handle last uC IPA disconnection |
| * @ipa_ctx: IPA context |
| * |
| * Return: None |
| */ |
| static void wlan_ipa_uc_handle_last_discon(struct wlan_ipa_priv *ipa_ctx) |
| { |
| ipa_debug("enter"); |
| |
| wlan_ipa_uc_disable_pipes(ipa_ctx); |
| |
| ipa_debug("exit: IPA WDI Pipes deactivated"); |
| } |
| |
| bool wlan_ipa_is_fw_wdi_activated(struct wlan_ipa_priv *ipa_ctx) |
| { |
| return !ipa_ctx->ipa_pipes_down; |
| } |
| #else |
| |
| /** |
| * wlan_ipa_uc_handle_first_con() - Handle first uC IPA connection |
| * @ipa_ctx: IPA context |
| * |
| * Return: QDF STATUS |
| */ |
| static QDF_STATUS wlan_ipa_uc_handle_first_con(struct wlan_ipa_priv *ipa_ctx) |
| { |
| ipa_debug("enter"); |
| |
| ipa_ctx->activated_fw_pipe = 0; |
| ipa_ctx->resource_loading = true; |
| |
| /* If RM feature enabled |
| * Request PROD Resource first |
| * PROD resource may return sync or async manners |
| */ |
| if (wlan_ipa_is_rm_enabled(ipa_ctx->config)) { |
| if (!wlan_ipa_wdi_rm_request_resource(ipa_ctx, |
| IPA_RM_RESOURCE_WLAN_PROD)) { |
| /* RM PROD request sync return |
| * enable pipe immediately |
| */ |
| if (wlan_ipa_uc_enable_pipes(ipa_ctx)) { |
| ipa_err("IPA WDI Pipe activation failed"); |
| ipa_ctx->resource_loading = false; |
| return QDF_STATUS_E_BUSY; |
| } |
| } else { |
| ipa_err("IPA WDI Pipe activation deferred"); |
| } |
| } else { |
| /* RM Disabled |
| * Just enabled all the PIPEs |
| */ |
| if (wlan_ipa_uc_enable_pipes(ipa_ctx)) { |
| ipa_err("IPA WDI Pipe activation failed"); |
| ipa_ctx->resource_loading = false; |
| return QDF_STATUS_E_BUSY; |
| } |
| ipa_ctx->resource_loading = false; |
| } |
| |
| ipa_debug("exit"); |
| |
| return QDF_STATUS_SUCCESS; |
| } |
| |
| /** |
| * wlan_ipa_uc_handle_last_discon() - Handle last uC IPA disconnection |
| * @ipa_ctx: IPA context |
| * |
| * Return: None |
| */ |
| static void wlan_ipa_uc_handle_last_discon(struct wlan_ipa_priv *ipa_ctx) |
| { |
| ipa_debug("enter"); |
| |
| ipa_ctx->resource_unloading = true; |
| qdf_event_reset(&ipa_ctx->ipa_resource_comp); |
| ipa_info("Disable FW RX PIPE"); |
| cdp_ipa_set_active(ipa_ctx->dp_soc, ipa_ctx->dp_pdev, false, false); |
| |
| ipa_debug("exit: IPA WDI Pipes deactivated"); |
| } |
| |
| bool wlan_ipa_is_fw_wdi_activated(struct wlan_ipa_priv *ipa_ctx) |
| { |
| return (WLAN_IPA_UC_NUM_WDI_PIPE == ipa_ctx->activated_fw_pipe); |
| } |
| #endif |
| |
| static inline |
| bool wlan_sap_no_client_connected(struct wlan_ipa_priv *ipa_ctx) |
| { |
| return !(ipa_ctx->sap_num_connected_sta); |
| } |
| |
| static inline |
| bool wlan_sta_is_connected(struct wlan_ipa_priv *ipa_ctx) |
| { |
| return ipa_ctx->sta_connected; |
| } |
| |
| static inline |
| bool wlan_ipa_uc_is_loaded(struct wlan_ipa_priv *ipa_ctx) |
| { |
| return ipa_ctx->uc_loaded; |
| } |
| |
| /** |
| * wlan_ipa_uc_offload_enable_disable() - wdi enable/disable notify to fw |
| * @ipa_ctx: global IPA context |
| * @offload_type: MCC or SCC |
| * @session_id: Session Id |
| * @enable: TX offload enable or disable |
| * |
| * Return: none |
| */ |
| static void wlan_ipa_uc_offload_enable_disable(struct wlan_ipa_priv *ipa_ctx, |
| uint32_t offload_type, |
| uint8_t session_id, |
| bool enable) |
| { |
| |
| struct ipa_uc_offload_control_params req = {0}; |
| |
| if (session_id >= WLAN_IPA_MAX_SESSION) { |
| ipa_err("invalid session id: %d", session_id); |
| return; |
| } |
| |
| if (enable == ipa_ctx->vdev_offload_enabled[session_id]) { |
| ipa_info("IPA offload status is already set"); |
| ipa_info("offload_type=%d, vdev_id=%d, enable=%d", |
| offload_type, session_id, enable); |
| return; |
| } |
| |
| ipa_info("offload_type=%d, session_id=%d, enable=%d", |
| offload_type, session_id, enable); |
| |
| req.offload_type = offload_type; |
| req.vdev_id = session_id; |
| req.enable = enable; |
| |
| if (QDF_STATUS_SUCCESS != |
| ipa_send_uc_offload_enable_disable(ipa_ctx->pdev, &req)) { |
| ipa_err("Fail to enable IPA offload"); |
| ipa_err("offload type=%d, vdev_id=%d, enable=%d", |
| offload_type, session_id, enable); |
| } else { |
| ipa_ctx->vdev_offload_enabled[session_id] = enable; |
| } |
| } |
| |
| /** |
| * __wlan_ipa_wlan_evt() - IPA event handler |
| * @net_dev: Interface net device |
| * @device_mode: Net interface device mode |
| * @session_id: session id for the event |
| * @type: event enum of type ipa_wlan_event |
| * @mac_address: MAC address associated with the event |
| * |
| * This function is meant to be called from within wlan_ipa_ctx.c |
| * |
| * Return: QDF STATUS |
| */ |
| static QDF_STATUS __wlan_ipa_wlan_evt(qdf_netdev_t net_dev, uint8_t device_mode, |
| uint8_t session_id, |
| qdf_ipa_wlan_event type, |
| uint8_t *mac_addr) |
| { |
| struct wlan_ipa_priv *ipa_ctx = gp_ipa; |
| struct wlan_ipa_iface_context *iface_ctx = NULL; |
| qdf_ipa_msg_meta_t meta; |
| qdf_ipa_wlan_msg_t *msg; |
| qdf_ipa_wlan_msg_ex_t *msg_ex = NULL; |
| int i; |
| QDF_STATUS status; |
| uint8_t sta_session_id = WLAN_IPA_MAX_SESSION; |
| struct wlan_objmgr_pdev *pdev; |
| struct wlan_objmgr_psoc *psoc; |
| struct wlan_objmgr_vdev *vdev; |
| |
| ipa_debug("%s: EVT: %d, MAC: %pM, session_id: %u", |
| net_dev->name, type, mac_addr, session_id); |
| |
| if (type >= QDF_IPA_WLAN_EVENT_MAX) |
| return QDF_STATUS_E_INVAL; |
| |
| if (wlan_ipa_uc_is_enabled(ipa_ctx->config) && |
| !wlan_ipa_uc_sta_is_enabled(ipa_ctx->config) && |
| (device_mode != QDF_SAP_MODE)) { |
| return QDF_STATUS_SUCCESS; |
| } |
| |
| pdev = ipa_ctx->pdev; |
| psoc = wlan_pdev_get_psoc(pdev); |
| vdev = wlan_objmgr_get_vdev_by_id_from_psoc(psoc, session_id, |
| WLAN_IPA_ID); |
| QDF_BUG(session_id < WLAN_IPA_MAX_SESSION); |
| |
| if (vdev) |
| wlan_objmgr_vdev_release_ref(vdev, WLAN_IPA_ID); |
| else |
| ipa_err("vdev is NULL, session_id: %u", session_id); |
| |
| if (ipa_ctx->sta_connected) { |
| iface_ctx = wlan_ipa_get_iface(ipa_ctx, QDF_STA_MODE); |
| if (iface_ctx) |
| sta_session_id = iface_ctx->session_id; |
| else |
| ipa_err("sta iface_ctx is NULL"); |
| } |
| |
| /* |
| * During IPA UC resource loading/unloading new events can be issued. |
| */ |
| if (wlan_ipa_uc_is_enabled(ipa_ctx->config) && |
| (ipa_ctx->resource_loading || ipa_ctx->resource_unloading)) { |
| unsigned int pending_event_count; |
| struct wlan_ipa_uc_pending_event *pending_event = NULL; |
| |
| ipa_info("Event:%d IPA resource %s inprogress", type, |
| ipa_ctx->resource_loading ? |
| "load" : "unload"); |
| |
| /* Wait until completion of the long/unloading */ |
| status = qdf_wait_for_event_completion( |
| &ipa_ctx->ipa_resource_comp, |
| IPA_RESOURCE_COMP_WAIT_TIME); |
| if (status != QDF_STATUS_SUCCESS) { |
| /* |
| * If timed out, store the events separately and |
| * handle them later. |
| */ |
| ipa_info("IPA resource %s timed out", |
| ipa_ctx->resource_loading ? |
| "load" : "unload"); |
| |
| if (type == QDF_IPA_AP_DISCONNECT) { |
| wlan_ipa_uc_offload_enable_disable(ipa_ctx, |
| SIR_AP_RX_DATA_OFFLOAD, |
| session_id, false); |
| } else if (type == QDF_IPA_CLIENT_CONNECT_EX && |
| wlan_sap_no_client_connected(ipa_ctx)) { |
| if (wlan_sta_is_connected(ipa_ctx) && |
| wlan_ipa_uc_is_loaded(ipa_ctx) && |
| wlan_ipa_uc_sta_is_enabled(ipa_ctx-> |
| config) && |
| !wlan_ipa_is_sta_only_offload_enabled()) { |
| wlan_ipa_uc_offload_enable_disable( |
| ipa_ctx, |
| SIR_STA_RX_DATA_OFFLOAD, |
| sta_session_id, true); |
| } |
| } |
| |
| qdf_mutex_acquire(&ipa_ctx->ipa_lock); |
| |
| pending_event_count = |
| qdf_list_size(&ipa_ctx->pending_event); |
| if (pending_event_count >= |
| WLAN_IPA_MAX_PENDING_EVENT_COUNT) { |
| ipa_info("Reached max pending evt count"); |
| qdf_list_remove_front( |
| &ipa_ctx->pending_event, |
| (qdf_list_node_t **)&pending_event); |
| } else { |
| pending_event = |
| (struct wlan_ipa_uc_pending_event *) |
| qdf_mem_malloc(sizeof( |
| struct wlan_ipa_uc_pending_event)); |
| } |
| |
| if (!pending_event) { |
| ipa_err("Pending event memory alloc fail"); |
| qdf_mutex_release(&ipa_ctx->ipa_lock); |
| return QDF_STATUS_E_NOMEM; |
| } |
| |
| pending_event->net_dev = net_dev; |
| pending_event->device_mode = device_mode; |
| pending_event->session_id = session_id; |
| pending_event->type = type; |
| pending_event->is_loading = ipa_ctx->resource_loading; |
| qdf_mem_copy(pending_event->mac_addr, |
| mac_addr, QDF_MAC_ADDR_SIZE); |
| qdf_list_insert_back(&ipa_ctx->pending_event, |
| &pending_event->node); |
| |
| qdf_mutex_release(&ipa_ctx->ipa_lock); |
| |
| /* Cleanup interface */ |
| if (type == QDF_IPA_STA_DISCONNECT || |
| type == QDF_IPA_AP_DISCONNECT) { |
| for (i = 0; i < WLAN_IPA_MAX_IFACE; i++) { |
| iface_ctx = &ipa_ctx->iface_context[i]; |
| |
| if (iface_ctx->dev == net_dev) |
| break; |
| } |
| if (iface_ctx) |
| wlan_ipa_cleanup_iface(iface_ctx); |
| } |
| |
| return QDF_STATUS_SUCCESS; |
| } |
| ipa_info("IPA resource %s completed", |
| ipa_ctx->resource_loading ? |
| "load" : "unload"); |
| } |
| |
| ipa_ctx->stats.event[type]++; |
| |
| QDF_IPA_SET_META_MSG_TYPE(&meta, type); |
| switch (type) { |
| case QDF_IPA_STA_CONNECT: |
| qdf_mutex_acquire(&ipa_ctx->event_lock); |
| |
| /* STA already connected and without disconnect, connect again |
| * This is Roaming scenario |
| */ |
| if (ipa_ctx->sta_connected) { |
| iface_ctx = wlan_ipa_get_iface(ipa_ctx, QDF_STA_MODE); |
| if (iface_ctx) |
| wlan_ipa_cleanup_iface(iface_ctx); |
| } |
| |
| status = wlan_ipa_setup_iface(ipa_ctx, net_dev, device_mode, |
| session_id); |
| if (status != QDF_STATUS_SUCCESS) { |
| ipa_err("wlan_ipa_setup_iface failed %u", status); |
| qdf_mutex_release(&ipa_ctx->event_lock); |
| goto end; |
| } |
| |
| ipa_ctx->vdev_to_iface[session_id] = |
| wlan_ipa_get_ifaceid(ipa_ctx, session_id); |
| |
| if (wlan_ipa_uc_sta_is_enabled(ipa_ctx->config) && |
| (ipa_ctx->sap_num_connected_sta > 0 || |
| wlan_ipa_is_sta_only_offload_enabled()) && |
| !ipa_ctx->sta_connected) { |
| qdf_mutex_release(&ipa_ctx->event_lock); |
| wlan_ipa_uc_offload_enable_disable(ipa_ctx, |
| SIR_STA_RX_DATA_OFFLOAD, session_id, |
| true); |
| qdf_mutex_acquire(&ipa_ctx->event_lock); |
| } |
| |
| if (!wlan_ipa_is_sta_only_offload_enabled()) { |
| ipa_debug("IPA STA only offload not enabled"); |
| } else if (ipa_ctx->uc_loaded && |
| !ipa_ctx->sap_num_connected_sta && |
| !ipa_ctx->sta_connected) { |
| status = wlan_ipa_uc_handle_first_con(ipa_ctx); |
| if (status) { |
| qdf_mutex_release(&ipa_ctx->event_lock); |
| ipa_info("handle 1st conn failed %d", status); |
| wlan_ipa_uc_offload_enable_disable( |
| ipa_ctx, |
| SIR_STA_RX_DATA_OFFLOAD, |
| session_id, |
| false); |
| ipa_ctx->vdev_to_iface[session_id] = |
| WLAN_IPA_MAX_SESSION; |
| goto end; |
| } |
| } |
| |
| ipa_ctx->sta_connected = 1; |
| |
| qdf_mutex_release(&ipa_ctx->event_lock); |
| |
| ipa_debug("sta_connected=%d vdev_to_iface[%u] %u", |
| ipa_ctx->sta_connected, |
| session_id, |
| ipa_ctx->vdev_to_iface[session_id]); |
| break; |
| |
| case QDF_IPA_AP_CONNECT: |
| qdf_mutex_acquire(&ipa_ctx->event_lock); |
| |
| /* For DFS channel we get two start_bss event (before and after |
| * CAC). Also when ACS range includes both DFS and non DFS |
| * channels, we could possibly change channel many times due to |
| * RADAR detection and chosen channel may not be a DFS channels. |
| * So dont return error here. Just discard the event. |
| */ |
| if (ipa_ctx->vdev_to_iface[session_id] != |
| WLAN_IPA_MAX_SESSION) { |
| qdf_mutex_release(&ipa_ctx->event_lock); |
| return 0; |
| } |
| |
| status = wlan_ipa_setup_iface(ipa_ctx, net_dev, device_mode, |
| session_id); |
| if (status != QDF_STATUS_SUCCESS) { |
| qdf_mutex_release(&ipa_ctx->event_lock); |
| ipa_err("%s: Evt: %d, Interface setup failed", |
| msg_ex->name, QDF_IPA_MSG_META_MSG_TYPE(&meta)); |
| goto end; |
| } |
| |
| if (wlan_ipa_uc_is_enabled(ipa_ctx->config)) { |
| qdf_mutex_release(&ipa_ctx->event_lock); |
| wlan_ipa_uc_offload_enable_disable(ipa_ctx, |
| SIR_AP_RX_DATA_OFFLOAD, session_id, true); |
| qdf_mutex_acquire(&ipa_ctx->event_lock); |
| } |
| |
| ipa_ctx->vdev_to_iface[session_id] = |
| wlan_ipa_get_ifaceid(ipa_ctx, session_id); |
| ipa_debug("vdev_to_iface[%u]=%u", |
| session_id, |
| ipa_ctx->vdev_to_iface[session_id]); |
| qdf_mutex_release(&ipa_ctx->event_lock); |
| break; |
| |
| case QDF_IPA_STA_DISCONNECT: |
| qdf_mutex_acquire(&ipa_ctx->event_lock); |
| |
| if (!ipa_ctx->sta_connected) { |
| struct wlan_ipa_iface_context *iface; |
| |
| qdf_mutex_release(&ipa_ctx->event_lock); |
| ipa_err("%s: Evt: %d, STA already disconnected", |
| msg_ex->name, QDF_IPA_MSG_META_MSG_TYPE(&meta)); |
| |
| iface = wlan_ipa_get_iface(ipa_ctx, QDF_STA_MODE); |
| if (iface && (iface->dev == net_dev)) |
| wlan_ipa_cleanup_iface(iface); |
| |
| return QDF_STATUS_E_INVAL; |
| } |
| |
| ipa_ctx->sta_connected = 0; |
| |
| if (!wlan_ipa_uc_is_enabled(ipa_ctx->config)) { |
| ipa_debug("%s: IPA UC OFFLOAD NOT ENABLED", |
| msg_ex->name); |
| } else { |
| /* |
| * Disable IPA pipes when |
| * 1. STA is the last interface or |
| * 2. STA only offload enabled and no clients connected |
| * to SAP |
| */ |
| if ((ipa_ctx->num_iface == 1 || |
| (wlan_ipa_is_sta_only_offload_enabled() && |
| !ipa_ctx->sap_num_connected_sta)) && |
| wlan_ipa_is_fw_wdi_activated(ipa_ctx) && |
| !ipa_ctx->ipa_pipes_down && |
| (ipa_ctx->resource_unloading == false)) { |
| if (cds_is_driver_unloading()) { |
| /* |
| * We disable WDI pipes directly here |
| * since IPA_OPCODE_TX/RX_SUSPEND |
| * message will not be processed when |
| * unloading WLAN driver is in progress |
| */ |
| wlan_ipa_uc_disable_pipes(ipa_ctx); |
| } else { |
| wlan_ipa_uc_handle_last_discon(ipa_ctx); |
| } |
| } |
| } |
| |
| if (wlan_ipa_uc_sta_is_enabled(ipa_ctx->config) && |
| (ipa_ctx->sap_num_connected_sta > 0 || |
| wlan_ipa_is_sta_only_offload_enabled())) { |
| qdf_mutex_release(&ipa_ctx->event_lock); |
| wlan_ipa_uc_offload_enable_disable(ipa_ctx, |
| SIR_STA_RX_DATA_OFFLOAD, session_id, false); |
| qdf_mutex_acquire(&ipa_ctx->event_lock); |
| } |
| |
| ipa_ctx->vdev_to_iface[session_id] = WLAN_IPA_MAX_SESSION; |
| ipa_debug("vdev_to_iface[%u]=%u", session_id, |
| ipa_ctx->vdev_to_iface[session_id]); |
| |
| for (i = 0; i < WLAN_IPA_MAX_IFACE; i++) { |
| iface_ctx = &ipa_ctx->iface_context[i]; |
| |
| if (iface_ctx->dev == net_dev) |
| break; |
| } |
| if (i < WLAN_IPA_MAX_IFACE) |
| wlan_ipa_cleanup_iface(iface_ctx); |
| |
| qdf_mutex_release(&ipa_ctx->event_lock); |
| |
| ipa_debug("sta_connected=%d", ipa_ctx->sta_connected); |
| break; |
| |
| case QDF_IPA_AP_DISCONNECT: |
| qdf_mutex_acquire(&ipa_ctx->event_lock); |
| |
| if ((ipa_ctx->num_iface == 1) && |
| wlan_ipa_is_fw_wdi_activated(ipa_ctx) && |
| !ipa_ctx->ipa_pipes_down && |
| (ipa_ctx->resource_unloading == false)) { |
| if (cds_is_driver_unloading()) { |
| /* |
| * We disable WDI pipes directly here since |
| * IPA_OPCODE_TX/RX_SUSPEND message will not be |
| * processed when unloading WLAN driver is in |
| * progress |
| */ |
| wlan_ipa_uc_disable_pipes(ipa_ctx); |
| } else { |
| /* |
| * This shouldn't happen : |
| * No interface left but WDI pipes are still |
| * active - force close WDI pipes |
| */ |
| ipa_err("No interface left but WDI pipes are still active"); |
| wlan_ipa_uc_handle_last_discon(ipa_ctx); |
| } |
| } |
| |
| if (wlan_ipa_uc_is_enabled(ipa_ctx->config)) { |
| qdf_mutex_release(&ipa_ctx->event_lock); |
| wlan_ipa_uc_offload_enable_disable(ipa_ctx, |
| SIR_AP_RX_DATA_OFFLOAD, session_id, false); |
| qdf_mutex_acquire(&ipa_ctx->event_lock); |
| ipa_ctx->vdev_to_iface[session_id] = |
| WLAN_IPA_MAX_SESSION; |
| ipa_debug("vdev_to_iface[%u]=%u", |
| session_id, |
| ipa_ctx->vdev_to_iface[session_id]); |
| } |
| |
| for (i = 0; i < WLAN_IPA_MAX_IFACE; i++) { |
| iface_ctx = &ipa_ctx->iface_context[i]; |
| |
| if (iface_ctx->dev == net_dev) |
| break; |
| } |
| if (i < WLAN_IPA_MAX_IFACE) |
| wlan_ipa_cleanup_iface(iface_ctx); |
| |
| qdf_mutex_release(&ipa_ctx->event_lock); |
| break; |
| |
| case QDF_IPA_CLIENT_CONNECT_EX: |
| if (!wlan_ipa_uc_is_enabled(ipa_ctx->config)) { |
| ipa_debug("%s: Evt: %d, IPA UC OFFLOAD NOT ENABLED", |
| net_dev->name, type); |
| return QDF_STATUS_SUCCESS; |
| } |
| |
| qdf_mutex_acquire(&ipa_ctx->event_lock); |
| if (wlan_ipa_uc_find_add_assoc_sta(ipa_ctx, true, |
| mac_addr)) { |
| qdf_mutex_release(&ipa_ctx->event_lock); |
| ipa_err("%s: STA found, addr: " QDF_MAC_ADDR_STR, |
| net_dev->name, |
| QDF_MAC_ADDR_ARRAY(mac_addr)); |
| return QDF_STATUS_SUCCESS; |
| } |
| |
| /* Enable IPA UC Data PIPEs when first STA connected */ |
| if (ipa_ctx->sap_num_connected_sta == 0 && |
| ipa_ctx->uc_loaded == true) { |
| |
| if (wlan_ipa_uc_sta_is_enabled(ipa_ctx->config) && |
| ipa_ctx->sta_connected && |
| !wlan_ipa_is_sta_only_offload_enabled()) { |
| qdf_mutex_release(&ipa_ctx->event_lock); |
| wlan_ipa_uc_offload_enable_disable(ipa_ctx, |
| SIR_STA_RX_DATA_OFFLOAD, |
| sta_session_id, true); |
| qdf_mutex_acquire(&ipa_ctx->event_lock); |
| } |
| |
| /* |
| * IPA pipes already enabled if STA only offload |
| * is enabled and STA is connected to remote AP. |
| */ |
| if (wlan_ipa_is_sta_only_offload_enabled() && |
| ipa_ctx->sta_connected) { |
| ipa_debug("IPA pipes already enabled"); |
| } else if (wlan_ipa_uc_handle_first_con(ipa_ctx)) { |
| ipa_info("%s: handle 1st con fail", |
| net_dev->name); |
| |
| if (wlan_ipa_uc_sta_is_enabled( |
| ipa_ctx->config) && |
| ipa_ctx->sta_connected && |
| !wlan_ipa_is_sta_only_offload_enabled()) { |
| qdf_mutex_release(&ipa_ctx->event_lock); |
| wlan_ipa_uc_offload_enable_disable( |
| ipa_ctx, |
| SIR_STA_RX_DATA_OFFLOAD, |
| sta_session_id, false); |
| } else { |
| qdf_mutex_release(&ipa_ctx->event_lock); |
| } |
| |
| return QDF_STATUS_E_BUSY; |
| } |
| } |
| |
| ipa_ctx->sap_num_connected_sta++; |
| |
| qdf_mutex_release(&ipa_ctx->event_lock); |
| |
| QDF_IPA_SET_META_MSG_TYPE(&meta, type); |
| QDF_IPA_MSG_META_MSG_LEN(&meta) = |
| (sizeof(qdf_ipa_wlan_msg_ex_t) + |
| sizeof(qdf_ipa_wlan_hdr_attrib_val_t)); |
| msg_ex = qdf_mem_malloc(QDF_IPA_MSG_META_MSG_LEN(&meta)); |
| |
| if (!msg_ex) { |
| ipa_err("msg_ex allocation failed"); |
| return QDF_STATUS_E_NOMEM; |
| } |
| strlcpy(msg_ex->name, net_dev->name, |
| IPA_RESOURCE_NAME_MAX); |
| msg_ex->num_of_attribs = 1; |
| msg_ex->attribs[0].attrib_type = WLAN_HDR_ATTRIB_MAC_ADDR; |
| if (wlan_ipa_uc_is_enabled(ipa_ctx->config)) { |
| msg_ex->attribs[0].offset = |
| WLAN_IPA_UC_WLAN_HDR_DES_MAC_OFFSET; |
| } else { |
| msg_ex->attribs[0].offset = |
| WLAN_IPA_WLAN_HDR_DES_MAC_OFFSET; |
| } |
| memcpy(msg_ex->attribs[0].u.mac_addr, mac_addr, |
| IPA_MAC_ADDR_SIZE); |
| |
| if (qdf_ipa_send_msg(&meta, msg_ex, wlan_ipa_msg_free_fn)) { |
| ipa_info("%s: Evt: %d send ipa msg fail", |
| net_dev->name, type); |
| qdf_mem_free(msg_ex); |
| return QDF_STATUS_E_FAILURE; |
| } |
| ipa_ctx->stats.num_send_msg++; |
| |
| ipa_info("sap_num_connected_sta=%d", |
| ipa_ctx->sap_num_connected_sta); |
| |
| return QDF_STATUS_SUCCESS; |
| |
| case WLAN_CLIENT_DISCONNECT: |
| if (!wlan_ipa_uc_is_enabled(ipa_ctx->config)) { |
| ipa_debug("%s: IPA UC OFFLOAD NOT ENABLED", |
| msg_ex->name); |
| return QDF_STATUS_SUCCESS; |
| } |
| |
| qdf_mutex_acquire(&ipa_ctx->event_lock); |
| if (!ipa_ctx->sap_num_connected_sta) { |
| qdf_mutex_release(&ipa_ctx->event_lock); |
| ipa_err("%s: Evt: %d, Client already disconnected", |
| msg_ex->name, |
| QDF_IPA_MSG_META_MSG_TYPE(&meta)); |
| |
| return QDF_STATUS_SUCCESS; |
| } |
| if (!wlan_ipa_uc_find_add_assoc_sta(ipa_ctx, false, |
| mac_addr)) { |
| qdf_mutex_release(&ipa_ctx->event_lock); |
| ipa_err("%s: STA NOT found, not valid: " |
| QDF_MAC_ADDR_STR, |
| msg_ex->name, QDF_MAC_ADDR_ARRAY(mac_addr)); |
| |
| return QDF_STATUS_SUCCESS; |
| } |
| ipa_ctx->sap_num_connected_sta--; |
| |
| /* |
| * Disable IPA pipes when |
| * 1. last client disconnected and |
| * 2. STA is not connected if STA only offload is enabled |
| */ |
| if (!ipa_ctx->sap_num_connected_sta && |
| ipa_ctx->uc_loaded && |
| !(wlan_ipa_is_sta_only_offload_enabled() && |
| ipa_ctx->sta_connected)) { |
| if ((false == ipa_ctx->resource_unloading) && |
| wlan_ipa_is_fw_wdi_activated(ipa_ctx) && |
| !ipa_ctx->ipa_pipes_down) { |
| if (cds_is_driver_unloading()) { |
| /* |
| * We disable WDI pipes directly here |
| * since IPA_OPCODE_TX/RX_SUSPEND |
| * message will not be processed when |
| * unloading WLAN driver is in progress |
| */ |
| wlan_ipa_uc_disable_pipes(ipa_ctx); |
| } else { |
| wlan_ipa_uc_handle_last_discon(ipa_ctx); |
| } |
| } |
| |
| if (wlan_ipa_uc_sta_is_enabled(ipa_ctx->config) && |
| ipa_ctx->sta_connected && |
| !wlan_ipa_is_sta_only_offload_enabled()) { |
| qdf_mutex_release(&ipa_ctx->event_lock); |
| wlan_ipa_uc_offload_enable_disable(ipa_ctx, |
| SIR_STA_RX_DATA_OFFLOAD, |
| sta_session_id, false); |
| } else { |
| qdf_mutex_release(&ipa_ctx->event_lock); |
| } |
| } else { |
| qdf_mutex_release(&ipa_ctx->event_lock); |
| } |
| |
| ipa_info("sap_num_connected_sta=%d", |
| ipa_ctx->sap_num_connected_sta); |
| break; |
| |
| default: |
| return QDF_STATUS_SUCCESS; |
| } |
| |
| QDF_IPA_MSG_META_MSG_LEN(&meta) = sizeof(qdf_ipa_wlan_msg_t); |
| msg = qdf_mem_malloc(QDF_IPA_MSG_META_MSG_LEN(&meta)); |
| if (!msg) { |
| ipa_err("msg allocation failed"); |
| return QDF_STATUS_E_NOMEM; |
| } |
| |
| QDF_IPA_SET_META_MSG_TYPE(&meta, type); |
| strlcpy(QDF_IPA_WLAN_MSG_NAME(msg), net_dev->name, |
| IPA_RESOURCE_NAME_MAX); |
| qdf_mem_copy(QDF_IPA_WLAN_MSG_MAC_ADDR(msg), mac_addr, QDF_NET_ETH_LEN); |
| |
| ipa_debug("%s: Evt: %d", QDF_IPA_WLAN_MSG_NAME(msg), |
| QDF_IPA_MSG_META_MSG_TYPE(&meta)); |
| |
| if (qdf_ipa_send_msg(&meta, msg, wlan_ipa_msg_free_fn)) { |
| |
| ipa_err("%s: Evt: %d fail", |
| QDF_IPA_WLAN_MSG_NAME(msg), |
| QDF_IPA_MSG_META_MSG_TYPE(&meta)); |
| qdf_mem_free(msg); |
| |
| return QDF_STATUS_E_FAILURE; |
| } |
| |
| ipa_ctx->stats.num_send_msg++; |
| |
| end: |
| return QDF_STATUS_SUCCESS; |
| } |
| |
| /** |
| * wlan_host_to_ipa_wlan_event() - convert wlan_ipa_wlan_event to ipa_wlan_event |
| * @wlan_ipa_event_type: event to be converted to an ipa_wlan_event |
| * |
| * Return: qdf_ipa_wlan_event representing the wlan_ipa_wlan_event |
| */ |
| static qdf_ipa_wlan_event |
| wlan_host_to_ipa_wlan_event(enum wlan_ipa_wlan_event wlan_ipa_event_type) |
| { |
| qdf_ipa_wlan_event ipa_event; |
| |
| switch (wlan_ipa_event_type) { |
| case WLAN_IPA_CLIENT_CONNECT: |
| ipa_event = QDF_IPA_CLIENT_CONNECT; |
| break; |
| case WLAN_IPA_CLIENT_DISCONNECT: |
| ipa_event = QDF_IPA_CLIENT_DISCONNECT; |
| break; |
| case WLAN_IPA_AP_CONNECT: |
| ipa_event = QDF_IPA_AP_CONNECT; |
| break; |
| case WLAN_IPA_AP_DISCONNECT: |
| ipa_event = QDF_IPA_AP_DISCONNECT; |
| break; |
| case WLAN_IPA_STA_CONNECT: |
| ipa_event = QDF_IPA_STA_CONNECT; |
| break; |
| case WLAN_IPA_STA_DISCONNECT: |
| ipa_event = QDF_IPA_STA_DISCONNECT; |
| break; |
| case WLAN_IPA_CLIENT_CONNECT_EX: |
| ipa_event = QDF_IPA_CLIENT_CONNECT_EX; |
| break; |
| case WLAN_IPA_WLAN_EVENT_MAX: |
| default: |
| ipa_event = QDF_IPA_WLAN_EVENT_MAX; |
| break; |
| } |
| |
| return ipa_event; |
| } |
| |
| /** |
| * wlan_ipa_wlan_evt() - SSR wrapper for __wlan_ipa_wlan_evt |
| * @net_dev: Interface net device |
| * @device_mode: Net interface device mode |
| * @session_id: session id for the event |
| * @ipa_event_type: event enum of type wlan_ipa_wlan_event |
| * @mac_address: MAC address associated with the event |
| * |
| * Return: QDF_STATUS |
| */ |
| QDF_STATUS wlan_ipa_wlan_evt(qdf_netdev_t net_dev, uint8_t device_mode, |
| uint8_t session_id, |
| enum wlan_ipa_wlan_event ipa_event_type, |
| uint8_t *mac_addr) |
| { |
| qdf_ipa_wlan_event type = wlan_host_to_ipa_wlan_event(ipa_event_type); |
| QDF_STATUS status = QDF_STATUS_SUCCESS; |
| |
| /* Data path offload only support for STA and SAP mode */ |
| if ((device_mode == QDF_STA_MODE) || |
| (device_mode == QDF_SAP_MODE)) |
| status = __wlan_ipa_wlan_evt(net_dev, device_mode, |
| session_id, type, mac_addr); |
| |
| return status; |
| } |
| |
| /** |
| * wlan_ipa_uc_proc_pending_event() - Process IPA uC pending events |
| * @ipa_ctx: Global IPA IPA context |
| * @is_loading: Indicate if invoked during loading |
| * |
| * Return: None |
| */ |
| static void |
| wlan_ipa_uc_proc_pending_event(struct wlan_ipa_priv *ipa_ctx, bool is_loading) |
| { |
| unsigned int pending_event_count; |
| struct wlan_ipa_uc_pending_event *pending_event = NULL; |
| |
| pending_event_count = qdf_list_size(&ipa_ctx->pending_event); |
| ipa_debug("Pending Event Count %d", pending_event_count); |
| if (!pending_event_count) { |
| ipa_debug("No Pending Event"); |
| return; |
| } |
| |
| qdf_list_remove_front(&ipa_ctx->pending_event, |
| (qdf_list_node_t **)&pending_event); |
| while (pending_event) { |
| struct wlan_objmgr_pdev *pdev = ipa_ctx->pdev; |
| struct wlan_objmgr_psoc *psoc = wlan_pdev_get_psoc(pdev); |
| struct wlan_objmgr_vdev *vdev = |
| wlan_objmgr_get_vdev_by_id_from_psoc(psoc, |
| pending_event->session_id, |
| WLAN_IPA_ID); |
| if (pending_event->is_loading == is_loading && vdev) { |
| __wlan_ipa_wlan_evt(pending_event->net_dev, |
| pending_event->device_mode, |
| pending_event->session_id, |
| pending_event->type, |
| pending_event->mac_addr); |
| } |
| |
| if (vdev) |
| wlan_objmgr_vdev_release_ref(vdev, WLAN_IPA_ID); |
| qdf_mem_free(pending_event); |
| pending_event = NULL; |
| qdf_list_remove_front(&ipa_ctx->pending_event, |
| (qdf_list_node_t **)&pending_event); |
| } |
| } |
| |
| /** |
| * wlan_ipa_free_tx_desc_list() - Free IPA Tx desc list |
| * @ipa_ctx: IPA context |
| * |
| * Return: None |
| */ |
| static inline void wlan_ipa_free_tx_desc_list(struct wlan_ipa_priv *ipa_ctx) |
| { |
| int i; |
| qdf_ipa_rx_data_t *ipa_tx_desc; |
| uint32_t pool_size; |
| |
| if (!ipa_ctx->tx_desc_pool) |
| return; |
| |
| qdf_spin_lock_bh(&ipa_ctx->q_lock); |
| pool_size = ipa_ctx->tx_desc_free_list.max_size; |
| for (i = 0; i < pool_size; i++) { |
| ipa_tx_desc = ipa_ctx->tx_desc_pool[i].ipa_tx_desc_ptr; |
| if (ipa_tx_desc) |
| qdf_ipa_free_skb(ipa_tx_desc); |
| |
| if (qdf_list_remove_node(&ipa_ctx->tx_desc_free_list, |
| &ipa_ctx->tx_desc_pool[i].node) != |
| QDF_STATUS_SUCCESS) |
| ipa_err("Failed to remove node from tx desc freelist"); |
| } |
| qdf_spin_unlock_bh(&ipa_ctx->q_lock); |
| |
| qdf_list_destroy(&ipa_ctx->tx_desc_free_list); |
| qdf_mem_free(ipa_ctx->tx_desc_pool); |
| ipa_ctx->tx_desc_pool = NULL; |
| |
| ipa_ctx->stats.num_tx_desc_q_cnt = 0; |
| ipa_ctx->stats.num_tx_desc_error = 0; |
| } |
| |
| /** |
| * wlan_ipa_alloc_tx_desc_free_list() - Allocate IPA Tx desc list |
| * @ipa_ctx: IPA context |
| * |
| * Return: QDF_STATUS |
| */ |
| static QDF_STATUS |
| wlan_ipa_alloc_tx_desc_free_list(struct wlan_ipa_priv *ipa_ctx) |
| { |
| int i; |
| uint32_t max_desc_cnt; |
| |
| max_desc_cnt = ipa_ctx->config->txbuf_count; |
| |
| ipa_ctx->tx_desc_pool = qdf_mem_malloc(sizeof(struct wlan_ipa_tx_desc) * |
| max_desc_cnt); |
| |
| if (!ipa_ctx->tx_desc_pool) { |
| ipa_err("Free Tx descriptor allocation failed"); |
| return QDF_STATUS_E_NOMEM; |
| } |
| |
| qdf_list_create(&ipa_ctx->tx_desc_free_list, max_desc_cnt); |
| |
| qdf_spin_lock_bh(&ipa_ctx->q_lock); |
| for (i = 0; i < max_desc_cnt; i++) { |
| ipa_ctx->tx_desc_pool[i].id = i; |
| ipa_ctx->tx_desc_pool[i].ipa_tx_desc_ptr = NULL; |
| qdf_list_insert_back(&ipa_ctx->tx_desc_free_list, |
| &ipa_ctx->tx_desc_pool[i].node); |
| } |
| |
| ipa_ctx->stats.num_tx_desc_q_cnt = 0; |
| ipa_ctx->stats.num_tx_desc_error = 0; |
| |
| qdf_spin_unlock_bh(&ipa_ctx->q_lock); |
| |
| return QDF_STATUS_SUCCESS; |
| } |
| |
| #ifndef QCA_LL_TX_FLOW_CONTROL_V2 |
| /** |
| * wlan_ipa_setup_tx_sys_pipe() - Setup IPA Tx system pipes |
| * @ipa_ctx: Global IPA IPA context |
| * @desc_fifo_sz: Number of descriptors |
| * |
| * Return: 0 on success, negative errno on error |
| */ |
| static int wlan_ipa_setup_tx_sys_pipe(struct wlan_ipa_priv *ipa_ctx, |
| int32_t desc_fifo_sz) |
| { |
| int i, ret = 0; |
| qdf_ipa_sys_connect_params_t *ipa; |
| |
| /*setup TX pipes */ |
| for (i = 0; i < WLAN_IPA_MAX_IFACE; i++) { |
| ipa = &ipa_ctx->sys_pipe[i].ipa_sys_params; |
| |
| ipa->client = wlan_ipa_iface_2_client[i].cons_client; |
| ipa->desc_fifo_sz = desc_fifo_sz; |
| ipa->priv = &ipa_ctx->iface_context[i]; |
| ipa->notify = wlan_ipa_i2w_cb; |
| |
| if (wlan_ipa_uc_sta_is_enabled(ipa_ctx->config)) { |
| ipa->ipa_ep_cfg.hdr.hdr_len = |
| WLAN_IPA_UC_WLAN_TX_HDR_LEN; |
| ipa->ipa_ep_cfg.nat.nat_en = IPA_BYPASS_NAT; |
| ipa->ipa_ep_cfg.hdr.hdr_ofst_pkt_size_valid = 1; |
| ipa->ipa_ep_cfg.hdr.hdr_ofst_pkt_size = 0; |
| ipa->ipa_ep_cfg.hdr.hdr_additional_const_len = |
| WLAN_IPA_UC_WLAN_8023_HDR_SIZE; |
| ipa->ipa_ep_cfg.hdr_ext.hdr_little_endian = true; |
| } else { |
| ipa->ipa_ep_cfg.hdr.hdr_len = WLAN_IPA_WLAN_TX_HDR_LEN; |
| } |
| ipa->ipa_ep_cfg.mode.mode = IPA_BASIC; |
| |
| ret = wlan_ipa_wdi_setup_sys_pipe(ipa_ctx, ipa, |
| &ipa_ctx->sys_pipe[i].conn_hdl); |
| if (ret) { |
| ipa_err("Failed for pipe %d ret: %d", i, ret); |
| return ret; |
| } |
| ipa_ctx->sys_pipe[i].conn_hdl_valid = 1; |
| } |
| |
| return ret; |
| } |
| #else |
| /** |
| * wlan_ipa_setup_tx_sys_pipe() - Setup IPA Tx system pipes |
| * @ipa_ctx: IPA context |
| * @desc_fifo_sz: Number of descriptors |
| * |
| * Return: 0 on success, negative errno on error |
| */ |
| static int wlan_ipa_setup_tx_sys_pipe(struct wlan_ipa_priv *ipa_ctx, |
| int32_t desc_fifo_sz) |
| { |
| /* |
| * The Tx system pipes are not needed for MCC when TX_FLOW_CONTROL_V2 |
| * is enabled, where per vdev descriptors are supported in firmware. |
| */ |
| return 0; |
| } |
| #endif |
| |
| #if defined(CONFIG_IPA_WDI_UNIFIED_API) && defined(IPA_WDI3_GSI) |
| /** |
| * wlan_ipa_get_rx_ipa_client() - Get IPA RX ipa client |
| * @ipa_ctx: IPA context |
| * |
| * Return: rx ipa sys client |
| */ |
| static inline uint8_t wlan_ipa_get_rx_ipa_client(struct wlan_ipa_priv *ipa_ctx) |
| { |
| if (ipa_ctx->over_gsi) |
| return IPA_CLIENT_WLAN2_PROD; |
| else |
| return IPA_CLIENT_WLAN1_PROD; |
| } |
| #else |
| static inline uint8_t wlan_ipa_get_rx_ipa_client(struct wlan_ipa_priv *ipa_ctx) |
| { |
| return IPA_CLIENT_WLAN1_PROD; |
| } |
| #endif |
| |
| /** |
| * wlan_ipa_setup_rx_sys_pipe() - Setup IPA Rx system pipes |
| * @ipa_ctx: Global IPA IPA context |
| * @desc_fifo_sz: Number of descriptors |
| * |
| * Return: 0 on success, negative errno on error |
| */ |
| static int wlan_ipa_setup_rx_sys_pipe(struct wlan_ipa_priv *ipa_ctx, |
| int32_t desc_fifo_sz) |
| { |
| int ret = 0; |
| qdf_ipa_sys_connect_params_t *ipa; |
| |
| /* |
| * Hard code it here, this can be extended if in case |
| * PROD pipe is also per interface. |
| * Right now there is no advantage of doing this. |
| */ |
| ipa = &ipa_ctx->sys_pipe[WLAN_IPA_RX_PIPE].ipa_sys_params; |
| |
| ipa->client = wlan_ipa_get_rx_ipa_client(ipa_ctx); |
| ipa->desc_fifo_sz = desc_fifo_sz; |
| ipa->priv = ipa_ctx; |
| ipa->notify = wlan_ipa_w2i_cb; |
| |
| ipa->ipa_ep_cfg.nat.nat_en = IPA_BYPASS_NAT; |
| ipa->ipa_ep_cfg.hdr.hdr_len = WLAN_IPA_WLAN_RX_HDR_LEN; |
| ipa->ipa_ep_cfg.hdr.hdr_ofst_metadata_valid = 1; |
| ipa->ipa_ep_cfg.mode.mode = IPA_BASIC; |
| |
| ret = qdf_ipa_setup_sys_pipe(ipa, |
| &ipa_ctx->sys_pipe[WLAN_IPA_RX_PIPE].conn_hdl); |
| if (ret) { |
| ipa_err("Failed for RX pipe: %d", ret); |
| return ret; |
| } |
| ipa_ctx->sys_pipe[WLAN_IPA_RX_PIPE].conn_hdl_valid = 1; |
| |
| return ret; |
| } |
| |
| /** |
| * wlan_ipa_teardown_sys_pipe() - Tear down all IPA Sys pipes |
| * @ipa_ctx: Global IPA IPA context |
| * |
| * Return: None |
| */ |
| static void wlan_ipa_teardown_sys_pipe(struct wlan_ipa_priv *ipa_ctx) |
| { |
| int ret, i; |
| |
| if (!ipa_ctx) |
| return; |
| |
| for (i = 0; i < WLAN_IPA_MAX_SYSBAM_PIPE; i++) { |
| if (ipa_ctx->sys_pipe[i].conn_hdl_valid) { |
| ret = wlan_ipa_wdi_teardown_sys_pipe(ipa_ctx, |
| ipa_ctx->sys_pipe[i].conn_hdl); |
| if (ret) |
| ipa_err("Failed:%d", ret); |
| |
| ipa_ctx->sys_pipe[i].conn_hdl_valid = 0; |
| } |
| } |
| |
| wlan_ipa_free_tx_desc_list(ipa_ctx); |
| } |
| |
| /** |
| * wlan_ipa_setup_sys_pipe() - Setup all IPA system pipes |
| * @ipa_ctx: Global IPA IPA context |
| * |
| * Return: 0 on success, negative errno on error |
| */ |
| static int wlan_ipa_setup_sys_pipe(struct wlan_ipa_priv *ipa_ctx) |
| { |
| int ret = 0; |
| uint32_t desc_fifo_sz; |
| |
| /* The maximum number of descriptors that can be provided to a BAM at |
| * once is one less than the total number of descriptors that the buffer |
| * can contain. |
| * If max_num_of_descriptors = (BAM_PIPE_DESCRIPTOR_FIFO_SIZE / sizeof |
| * (SPS_DESCRIPTOR)), then (max_num_of_descriptors - 1) descriptors can |
| * be provided at once. |
| * Because of above requirement, one extra descriptor will be added to |
| * make sure hardware always has one descriptor. |
| */ |
| desc_fifo_sz = ipa_ctx->config->desc_size |
| + SPS_DESC_SIZE; |
| |
| ret = wlan_ipa_setup_tx_sys_pipe(ipa_ctx, desc_fifo_sz); |
| if (ret) { |
| ipa_err("Failed for TX pipe: %d", ret); |
| goto setup_sys_pipe_fail; |
| } |
| |
| if (!wlan_ipa_uc_sta_is_enabled(ipa_ctx->config)) { |
| ret = wlan_ipa_setup_rx_sys_pipe(ipa_ctx, desc_fifo_sz); |
| if (ret) { |
| ipa_err("Failed for RX pipe: %d", ret); |
| goto setup_sys_pipe_fail; |
| } |
| } |
| |
| /* Allocate free Tx desc list */ |
| ret = wlan_ipa_alloc_tx_desc_free_list(ipa_ctx); |
| if (ret) |
| goto setup_sys_pipe_fail; |
| |
| return ret; |
| |
| setup_sys_pipe_fail: |
| wlan_ipa_teardown_sys_pipe(ipa_ctx); |
| |
| return ret; |
| } |
| |
| #ifndef QCA_LL_TX_FLOW_CONTROL_V2 |
| QDF_STATUS wlan_ipa_send_mcc_scc_msg(struct wlan_ipa_priv *ipa_ctx, |
| bool mcc_mode) |
| { |
| qdf_ipa_msg_meta_t meta; |
| qdf_ipa_wlan_msg_t *msg; |
| int ret; |
| |
| if (!wlan_ipa_uc_sta_is_enabled(ipa_ctx->config)) |
| return QDF_STATUS_SUCCESS; |
| |
| /* Send SCC/MCC Switching event to IPA */ |
| QDF_IPA_MSG_META_MSG_LEN(&meta) = sizeof(*msg); |
| msg = qdf_mem_malloc(QDF_IPA_MSG_META_MSG_LEN(&meta)); |
| if (!msg) { |
| ipa_err("msg allocation failed"); |
| return QDF_STATUS_E_NOMEM; |
| } |
| |
| if (mcc_mode) { |
| QDF_IPA_SET_META_MSG_TYPE(&meta, QDF_SWITCH_TO_MCC); |
| ipa_ctx->stats.event[QDF_SWITCH_TO_MCC]++; |
| } else { |
| QDF_IPA_SET_META_MSG_TYPE(&meta, QDF_SWITCH_TO_SCC); |
| ipa_ctx->stats.event[QDF_SWITCH_TO_SCC]++; |
| } |
| |
| WLAN_IPA_LOG(QDF_TRACE_LEVEL_DEBUG, |
| "ipa_send_msg(Evt:%d)", |
| QDF_IPA_MSG_META_MSG_TYPE(&meta)); |
| |
| ret = qdf_ipa_send_msg(&meta, msg, wlan_ipa_msg_free_fn); |
| |
| if (ret) { |
| ipa_err("ipa_send_msg(Evt:%d) - fail=%d", |
| QDF_IPA_MSG_META_MSG_TYPE(&meta), ret); |
| qdf_mem_free(msg); |
| return QDF_STATUS_E_FAILURE; |
| } |
| |
| return QDF_STATUS_SUCCESS; |
| } |
| |
| static void wlan_ipa_mcc_work_handler(void *data) |
| { |
| struct wlan_ipa_priv *ipa_ctx = (struct wlan_ipa_priv *)data; |
| |
| wlan_ipa_send_mcc_scc_msg(ipa_ctx, ipa_ctx->mcc_mode); |
| } |
| #endif |
| |
| /** |
| * wlan_ipa_setup() - IPA initialization function |
| * @ipa_ctx: IPA context |
| * @ipa_cfg: IPA config |
| * |
| * Allocate ipa_ctx resources, ipa pipe resource and register |
| * wlan interface with IPA module. |
| * |
| * Return: QDF_STATUS enumeration |
| */ |
| QDF_STATUS wlan_ipa_setup(struct wlan_ipa_priv *ipa_ctx, |
| struct wlan_ipa_config *ipa_cfg) |
| { |
| int ret, i; |
| struct wlan_ipa_iface_context *iface_context = NULL; |
| QDF_STATUS status; |
| |
| ipa_debug("enter"); |
| |
| gp_ipa = ipa_ctx; |
| ipa_ctx->num_iface = 0; |
| ipa_ctx->config = ipa_cfg; |
| |
| wlan_ipa_wdi_get_wdi_version(ipa_ctx); |
| |
| /* Create the interface context */ |
| for (i = 0; i < WLAN_IPA_MAX_IFACE; i++) { |
| iface_context = &ipa_ctx->iface_context[i]; |
| iface_context->ipa_ctx = ipa_ctx; |
| iface_context->cons_client = |
| wlan_ipa_iface_2_client[i].cons_client; |
| iface_context->prod_client = |
| wlan_ipa_iface_2_client[i].prod_client; |
| iface_context->iface_id = i; |
| iface_context->dev = NULL; |
| iface_context->device_mode = QDF_MAX_NO_OF_MODE; |
| iface_context->tl_context = NULL; |
| qdf_spinlock_create(&iface_context->interface_lock); |
| } |
| |
| qdf_create_work(0, &ipa_ctx->pm_work, wlan_ipa_pm_flush, ipa_ctx); |
| qdf_spinlock_create(&ipa_ctx->pm_lock); |
| qdf_spinlock_create(&ipa_ctx->q_lock); |
| qdf_spinlock_create(&ipa_ctx->pipes_down_lock); |
| qdf_nbuf_queue_init(&ipa_ctx->pm_queue_head); |
| qdf_list_create(&ipa_ctx->pending_event, 1000); |
| qdf_mutex_create(&ipa_ctx->event_lock); |
| qdf_mutex_create(&ipa_ctx->ipa_lock); |
| |
| status = wlan_ipa_wdi_setup_rm(ipa_ctx); |
| if (status != QDF_STATUS_SUCCESS) |
| goto fail_setup_rm; |
| |
| for (i = 0; i < WLAN_IPA_MAX_SYSBAM_PIPE; i++) |
| qdf_mem_zero(&ipa_ctx->sys_pipe[i], |
| sizeof(struct wlan_ipa_sys_pipe)); |
| |
| if (wlan_ipa_uc_is_enabled(ipa_ctx->config)) { |
| qdf_mem_zero(&ipa_ctx->stats, sizeof(ipa_ctx->stats)); |
| ipa_ctx->sap_num_connected_sta = 0; |
| ipa_ctx->ipa_tx_packets_diff = 0; |
| ipa_ctx->ipa_rx_packets_diff = 0; |
| ipa_ctx->ipa_p_tx_packets = 0; |
| ipa_ctx->ipa_p_rx_packets = 0; |
| ipa_ctx->resource_loading = false; |
| ipa_ctx->resource_unloading = false; |
| ipa_ctx->sta_connected = 0; |
| ipa_ctx->ipa_pipes_down = true; |
| ipa_ctx->pipes_down_in_progress = false; |
| ipa_ctx->wdi_enabled = false; |
| /* Setup IPA system pipes */ |
| if (wlan_ipa_uc_sta_is_enabled(ipa_ctx->config)) { |
| ret = wlan_ipa_setup_sys_pipe(ipa_ctx); |
| if (ret) |
| goto fail_create_sys_pipe; |
| |
| qdf_create_work(0, &ipa_ctx->mcc_work, |
| wlan_ipa_mcc_work_handler, ipa_ctx); |
| } |
| |
| status = wlan_ipa_wdi_init(ipa_ctx); |
| if (status == QDF_STATUS_E_BUSY) |
| status = wlan_ipa_uc_send_wdi_control_msg(false); |
| if (status != QDF_STATUS_SUCCESS) { |
| ipa_err("IPA WDI init failed: ret=%d", status); |
| goto fail_create_sys_pipe; |
| } |
| } else { |
| ret = wlan_ipa_setup_sys_pipe(ipa_ctx); |
| if (ret) |
| goto fail_create_sys_pipe; |
| } |
| |
| qdf_event_create(&ipa_ctx->ipa_resource_comp); |
| |
| ipa_debug("exit: success"); |
| |
| return QDF_STATUS_SUCCESS; |
| |
| fail_create_sys_pipe: |
| wlan_ipa_wdi_destroy_rm(ipa_ctx); |
| |
| fail_setup_rm: |
| qdf_spinlock_destroy(&ipa_ctx->pm_lock); |
| qdf_spinlock_destroy(&ipa_ctx->q_lock); |
| qdf_spinlock_destroy(&ipa_ctx->pipes_down_lock); |
| for (i = 0; i < WLAN_IPA_MAX_IFACE; i++) { |
| iface_context = &ipa_ctx->iface_context[i]; |
| qdf_spinlock_destroy(&iface_context->interface_lock); |
| } |
| qdf_mutex_destroy(&ipa_ctx->event_lock); |
| qdf_mutex_destroy(&ipa_ctx->ipa_lock); |
| qdf_list_destroy(&ipa_ctx->pending_event); |
| gp_ipa = NULL; |
| ipa_debug("exit: fail"); |
| |
| return QDF_STATUS_E_FAILURE; |
| } |
| |
| void wlan_ipa_flush(struct wlan_ipa_priv *ipa_ctx) |
| { |
| qdf_nbuf_t skb; |
| struct wlan_ipa_pm_tx_cb *pm_tx_cb; |
| |
| if (!wlan_ipa_is_enabled(ipa_ctx->config)) |
| return; |
| |
| qdf_cancel_work(&ipa_ctx->pm_work); |
| |
| qdf_spin_lock_bh(&ipa_ctx->pm_lock); |
| |
| while (((skb = qdf_nbuf_queue_remove(&ipa_ctx->pm_queue_head)) |
| != NULL)) { |
| qdf_spin_unlock_bh(&ipa_ctx->pm_lock); |
| |
| pm_tx_cb = (struct wlan_ipa_pm_tx_cb *)skb->cb; |
| |
| if (pm_tx_cb->exception) { |
| dev_kfree_skb_any(skb); |
| } else { |
| if (pm_tx_cb->ipa_tx_desc) |
| ipa_free_skb(pm_tx_cb->ipa_tx_desc); |
| } |
| |
| qdf_spin_lock_bh(&ipa_ctx->pm_lock); |
| } |
| qdf_spin_unlock_bh(&ipa_ctx->pm_lock); |
| } |
| |
| QDF_STATUS wlan_ipa_cleanup(struct wlan_ipa_priv *ipa_ctx) |
| { |
| struct wlan_ipa_iface_context *iface_context; |
| int i; |
| |
| if (!wlan_ipa_uc_is_enabled(ipa_ctx->config)) |
| wlan_ipa_teardown_sys_pipe(ipa_ctx); |
| |
| /* Teardown IPA sys_pipe for MCC */ |
| if (wlan_ipa_uc_sta_is_enabled(ipa_ctx->config)) { |
| wlan_ipa_teardown_sys_pipe(ipa_ctx); |
| qdf_cancel_work(&ipa_ctx->mcc_work); |
| } |
| |
| wlan_ipa_wdi_destroy_rm(ipa_ctx); |
| |
| wlan_ipa_flush(ipa_ctx); |
| |
| qdf_spinlock_destroy(&ipa_ctx->pm_lock); |
| qdf_spinlock_destroy(&ipa_ctx->q_lock); |
| qdf_spinlock_destroy(&ipa_ctx->pipes_down_lock); |
| |
| /* destroy the interface lock */ |
| for (i = 0; i < WLAN_IPA_MAX_IFACE; i++) { |
| iface_context = &ipa_ctx->iface_context[i]; |
| qdf_spinlock_destroy(&iface_context->interface_lock); |
| } |
| |
| if (wlan_ipa_uc_is_enabled(ipa_ctx->config)) { |
| wlan_ipa_wdi_cleanup(); |
| qdf_mutex_destroy(&ipa_ctx->event_lock); |
| qdf_mutex_destroy(&ipa_ctx->ipa_lock); |
| qdf_list_destroy(&ipa_ctx->pending_event); |
| |
| } |
| |
| gp_ipa = NULL; |
| |
| return QDF_STATUS_SUCCESS; |
| } |
| |
| struct wlan_ipa_iface_context |
| *wlan_ipa_get_iface(struct wlan_ipa_priv *ipa_ctx, uint8_t mode) |
| { |
| struct wlan_ipa_iface_context *iface_ctx = NULL; |
| int i; |
| |
| for (i = 0; i < WLAN_IPA_MAX_IFACE; i++) { |
| iface_ctx = &ipa_ctx->iface_context[i]; |
| |
| if (iface_ctx->device_mode == mode) |
| return iface_ctx; |
| } |
| |
| return NULL; |
| } |
| |
| void wlan_ipa_set_mcc_mode(struct wlan_ipa_priv *ipa_ctx, bool mcc_mode) |
| { |
| if (!wlan_ipa_uc_sta_is_enabled(ipa_ctx->config)) |
| return; |
| |
| if (ipa_ctx->mcc_mode == mcc_mode) |
| return; |
| |
| ipa_ctx->mcc_mode = mcc_mode; |
| qdf_sched_work(0, &ipa_ctx->mcc_work); |
| } |
| |
| /** |
| * wlan_ipa_uc_loaded_handler() - Process IPA uC loaded indication |
| * @ipa_ctx: ipa ipa local context |
| * |
| * Will handle IPA UC image loaded indication comes from IPA kernel |
| * |
| * Return: None |
| */ |
| static void wlan_ipa_uc_loaded_handler(struct wlan_ipa_priv *ipa_ctx) |
| { |
| struct wlan_objmgr_pdev *pdev = ipa_ctx->pdev; |
| struct wlan_objmgr_psoc *psoc = wlan_pdev_get_psoc(pdev); |
| qdf_device_t qdf_dev = wlan_psoc_get_qdf_dev(psoc); |
| QDF_STATUS status; |
| |
| ipa_info("UC READY"); |
| |
| if (!qdf_dev) { |
| ipa_err("qdf device is NULL!"); |
| return; |
| } |
| |
| if (true == ipa_ctx->uc_loaded) { |
| ipa_info("UC already loaded"); |
| return; |
| } |
| |
| if (!qdf_dev) { |
| ipa_err("qdf_dev is null"); |
| return; |
| } |
| /* Connect pipe */ |
| status = wlan_ipa_wdi_setup(ipa_ctx, qdf_dev); |
| if (status) { |
| ipa_err("Failure to setup IPA pipes (status=%d)", |
| status); |
| return; |
| } |
| |
| cdp_ipa_set_doorbell_paddr(ipa_ctx->dp_soc, ipa_ctx->dp_pdev); |
| |
| /* |
| * Enable IPA/FW PIPEs if |
| * 1. any clients connected to SAP or |
| * 2. STA connected to remote AP if STA only offload is enabled |
| */ |
| if (ipa_ctx->sap_num_connected_sta || |
| (wlan_ipa_is_sta_only_offload_enabled() && |
| ipa_ctx->sta_connected)) { |
| ipa_debug("Client already connected, enable IPA/FW PIPEs"); |
| wlan_ipa_uc_handle_first_con(ipa_ctx); |
| } |
| } |
| |
| /** |
| * wlan_ipa_uc_op_cb() - IPA uC operation callback |
| * @op_msg: operation message received from firmware |
| * @usr_ctxt: user context registered with TL (we register the IPA Global |
| * context) |
| * |
| * Return: None |
| */ |
| static void wlan_ipa_uc_op_cb(struct op_msg_type *op_msg, |
| struct wlan_ipa_priv *ipa_ctx) |
| { |
| struct op_msg_type *msg = op_msg; |
| struct ipa_uc_fw_stats *uc_fw_stat; |
| |
| if (!op_msg) { |
| ipa_err("INVALID ARG"); |
| return; |
| } |
| |
| if (msg->op_code >= WLAN_IPA_UC_OPCODE_MAX) { |
| ipa_err("INVALID OPCODE %d", msg->op_code); |
| qdf_mem_free(op_msg); |
| return; |
| } |
| |
| ipa_debug("OPCODE=%d", msg->op_code); |
| |
| if ((msg->op_code == WLAN_IPA_UC_OPCODE_TX_RESUME) || |
| (msg->op_code == WLAN_IPA_UC_OPCODE_RX_RESUME)) { |
| qdf_mutex_acquire(&ipa_ctx->ipa_lock); |
| ipa_ctx->activated_fw_pipe++; |
| if (wlan_ipa_is_fw_wdi_activated(ipa_ctx)) { |
| ipa_ctx->resource_loading = false; |
| qdf_event_set(&ipa_ctx->ipa_resource_comp); |
| if (ipa_ctx->wdi_enabled == false) { |
| ipa_ctx->wdi_enabled = true; |
| if (wlan_ipa_uc_send_wdi_control_msg(true) == 0) |
| wlan_ipa_send_mcc_scc_msg(ipa_ctx, |
| ipa_ctx->mcc_mode); |
| } |
| wlan_ipa_uc_proc_pending_event(ipa_ctx, true); |
| if (ipa_ctx->pending_cons_req) |
| wlan_ipa_wdi_rm_notify_completion( |
| QDF_IPA_RM_RESOURCE_GRANTED, |
| QDF_IPA_RM_RESOURCE_WLAN_CONS); |
| ipa_ctx->pending_cons_req = false; |
| } |
| qdf_mutex_release(&ipa_ctx->ipa_lock); |
| } else if ((msg->op_code == WLAN_IPA_UC_OPCODE_TX_SUSPEND) || |
| (msg->op_code == WLAN_IPA_UC_OPCODE_RX_SUSPEND)) { |
| qdf_mutex_acquire(&ipa_ctx->ipa_lock); |
| |
| if (msg->op_code == WLAN_IPA_UC_OPCODE_RX_SUSPEND) { |
| wlan_ipa_uc_disable_pipes(ipa_ctx); |
| ipa_info("Disable FW TX PIPE"); |
| cdp_ipa_set_active(ipa_ctx->dp_soc, ipa_ctx->dp_pdev, |
| false, true); |
| } |
| |
| ipa_ctx->activated_fw_pipe--; |
| if (!ipa_ctx->activated_fw_pipe) { |
| /* |
| * Async return success from FW |
| * Disable/suspend all the PIPEs |
| */ |
| ipa_ctx->resource_unloading = false; |
| qdf_event_set(&ipa_ctx->ipa_resource_comp); |
| if (wlan_ipa_is_rm_enabled(ipa_ctx->config)) |
| wlan_ipa_wdi_rm_release_resource(ipa_ctx, |
| QDF_IPA_RM_RESOURCE_WLAN_PROD); |
| wlan_ipa_uc_proc_pending_event(ipa_ctx, false); |
| ipa_ctx->pending_cons_req = false; |
| } |
| qdf_mutex_release(&ipa_ctx->ipa_lock); |
| } else if ((msg->op_code == WLAN_IPA_UC_OPCODE_STATS) && |
| (ipa_ctx->stat_req_reason == WLAN_IPA_UC_STAT_REASON_DEBUG)) { |
| uc_fw_stat = (struct ipa_uc_fw_stats *) |
| ((uint8_t *)op_msg + sizeof(struct op_msg_type)); |
| |
| /* WLAN FW WDI stats */ |
| wlan_ipa_print_fw_wdi_stats(ipa_ctx, uc_fw_stat); |
| } else if ((msg->op_code == WLAN_IPA_UC_OPCODE_STATS) && |
| (ipa_ctx->stat_req_reason == WLAN_IPA_UC_STAT_REASON_BW_CAL)) { |
| /* STATs from FW */ |
| uc_fw_stat = (struct ipa_uc_fw_stats *) |
| ((uint8_t *)op_msg + sizeof(struct op_msg_type)); |
| qdf_mutex_acquire(&ipa_ctx->ipa_lock); |
| ipa_ctx->ipa_tx_packets_diff = BW_GET_DIFF( |
| uc_fw_stat->tx_pkts_completed, |
| ipa_ctx->ipa_p_tx_packets); |
| ipa_ctx->ipa_rx_packets_diff = BW_GET_DIFF( |
| (uc_fw_stat->rx_num_ind_drop_no_space + |
| uc_fw_stat->rx_num_ind_drop_no_buf + |
| uc_fw_stat->rx_num_pkts_indicated), |
| ipa_ctx->ipa_p_rx_packets); |
| |
| ipa_ctx->ipa_p_tx_packets = uc_fw_stat->tx_pkts_completed; |
| ipa_ctx->ipa_p_rx_packets = |
| (uc_fw_stat->rx_num_ind_drop_no_space + |
| uc_fw_stat->rx_num_ind_drop_no_buf + |
| uc_fw_stat->rx_num_pkts_indicated); |
| qdf_mutex_release(&ipa_ctx->ipa_lock); |
| } else if (msg->op_code == WLAN_IPA_UC_OPCODE_UC_READY) { |
| qdf_mutex_acquire(&ipa_ctx->ipa_lock); |
| wlan_ipa_uc_loaded_handler(ipa_ctx); |
| qdf_mutex_release(&ipa_ctx->ipa_lock); |
| } else if (wlan_ipa_uc_op_metering(ipa_ctx, op_msg)) { |
| ipa_err("Invalid message: op_code=%d, reason=%d", |
| msg->op_code, ipa_ctx->stat_req_reason); |
| } |
| |
| qdf_mem_free(op_msg); |
| } |
| |
| /** |
| * __wlan_ipa_uc_fw_op_event_handler - IPA uC FW OPvent handler |
| * @data: uC OP work |
| * |
| * Return: None |
| */ |
| static void __wlan_ipa_uc_fw_op_event_handler(void *data) |
| { |
| struct op_msg_type *msg; |
| struct uc_op_work_struct *uc_op_work = |
| (struct uc_op_work_struct *)data; |
| struct wlan_ipa_priv *ipa_ctx = gp_ipa; |
| |
| msg = uc_op_work->msg; |
| uc_op_work->msg = NULL; |
| ipa_debug("posted msg %d", msg->op_code); |
| |
| wlan_ipa_uc_op_cb(msg, ipa_ctx); |
| } |
| |
| /** |
| * wlan_ipa_uc_fw_op_event_handler - SSR wrapper for |
| * __wlan_ipa_uc_fw_op_event_handler |
| * @data: uC OP work |
| * |
| * Return: None |
| */ |
| static void wlan_ipa_uc_fw_op_event_handler(void *data) |
| { |
| struct qdf_op_sync *op_sync; |
| |
| if (qdf_op_protect(&op_sync)) |
| return; |
| |
| __wlan_ipa_uc_fw_op_event_handler(data); |
| |
| qdf_op_unprotect(op_sync); |
| } |
| |
| /** |
| * wlan_ipa_uc_op_event_handler() - IPA UC OP event handler |
| * @op_msg: operation message received from firmware |
| * @ipa_ctx: Global IPA context |
| * |
| * Return: None |
| */ |
| static void wlan_ipa_uc_op_event_handler(uint8_t *op_msg, void *ctx) |
| { |
| struct wlan_ipa_priv *ipa_ctx = (struct wlan_ipa_priv *)ctx; |
| struct op_msg_type *msg; |
| struct uc_op_work_struct *uc_op_work; |
| |
| if (!ipa_ctx) |
| goto end; |
| |
| msg = (struct op_msg_type *)op_msg; |
| |
| if (msg->op_code >= WLAN_IPA_UC_OPCODE_MAX) { |
| ipa_err("Invalid OP Code (%d)", msg->op_code); |
| goto end; |
| } |
| |
| uc_op_work = &ipa_ctx->uc_op_work[msg->op_code]; |
| if (uc_op_work->msg) { |
| /* When the same uC OPCODE is already pended, just return */ |
| goto end; |
| } |
| |
| uc_op_work->msg = msg; |
| qdf_sched_work(0, &uc_op_work->work); |
| return; |
| |
| end: |
| qdf_mem_free(op_msg); |
| } |
| |
| QDF_STATUS wlan_ipa_uc_ol_init(struct wlan_ipa_priv *ipa_ctx, |
| qdf_device_t osdev) |
| { |
| uint8_t i; |
| QDF_STATUS status = QDF_STATUS_SUCCESS; |
| |
| if (!wlan_ipa_uc_is_enabled(ipa_ctx->config)) |
| return QDF_STATUS_SUCCESS; |
| |
| ipa_debug("enter"); |
| |
| if (!osdev) { |
| ipa_err("osdev null"); |
| status = QDF_STATUS_E_FAILURE; |
| goto fail_return; |
| } |
| |
| for (i = 0; i < WLAN_IPA_MAX_SESSION; i++) { |
| ipa_ctx->vdev_to_iface[i] = WLAN_IPA_MAX_SESSION; |
| ipa_ctx->vdev_offload_enabled[i] = false; |
| } |
| |
| if (cdp_ipa_get_resource(ipa_ctx->dp_soc, ipa_ctx->dp_pdev)) { |
| ipa_err("IPA UC resource alloc fail"); |
| status = QDF_STATUS_E_FAILURE; |
| goto fail_return; |
| } |
| |
| if (true == ipa_ctx->uc_loaded) { |
| status = wlan_ipa_wdi_setup(ipa_ctx, osdev); |
| if (status) { |
| ipa_err("Failure to setup IPA pipes (status=%d)", |
| status); |
| status = QDF_STATUS_E_FAILURE; |
| goto fail_return; |
| } |
| |
| cdp_ipa_set_doorbell_paddr(ipa_ctx->dp_soc, ipa_ctx->dp_pdev); |
| wlan_ipa_init_metering(ipa_ctx); |
| |
| if (wlan_ipa_init_perf_level(ipa_ctx) != QDF_STATUS_SUCCESS) |
| ipa_err("Failed to init perf level"); |
| } |
| |
| cdp_ipa_register_op_cb(ipa_ctx->dp_soc, ipa_ctx->dp_pdev, |
| wlan_ipa_uc_op_event_handler, (void *)ipa_ctx); |
| |
| for (i = 0; i < WLAN_IPA_UC_OPCODE_MAX; i++) { |
| qdf_create_work(0, &ipa_ctx->uc_op_work[i].work, |
| wlan_ipa_uc_fw_op_event_handler, |
| &ipa_ctx->uc_op_work[i]); |
| ipa_ctx->uc_op_work[i].msg = NULL; |
| } |
| |
| fail_return: |
| ipa_debug("exit: status=%d", status); |
| return status; |
| } |
| |
| /** |
| * wlan_ipa_cleanup_pending_event() - Cleanup IPA pending event list |
| * @ipa_ctx: pointer to IPA IPA struct |
| * |
| * Return: none |
| */ |
| static void wlan_ipa_cleanup_pending_event(struct wlan_ipa_priv *ipa_ctx) |
| { |
| struct wlan_ipa_uc_pending_event *pending_event = NULL; |
| |
| while (qdf_list_remove_front(&ipa_ctx->pending_event, |
| (qdf_list_node_t **)&pending_event) == QDF_STATUS_SUCCESS) |
| qdf_mem_free(pending_event); |
| } |
| |
| QDF_STATUS wlan_ipa_uc_ol_deinit(struct wlan_ipa_priv *ipa_ctx) |
| { |
| QDF_STATUS status = QDF_STATUS_SUCCESS; |
| int i; |
| |
| ipa_debug("enter"); |
| |
| if (!wlan_ipa_uc_is_enabled(ipa_ctx->config)) |
| return status; |
| |
| if (!ipa_ctx->ipa_pipes_down) |
| wlan_ipa_uc_disable_pipes(ipa_ctx); |
| |
| if (true == ipa_ctx->uc_loaded) { |
| status = cdp_ipa_cleanup(ipa_ctx->dp_soc, |
| ipa_ctx->tx_pipe_handle, |
| ipa_ctx->rx_pipe_handle); |
| if (status) |
| ipa_err("Failure to cleanup IPA pipes (status=%d)", |
| status); |
| } |
| |
| qdf_mutex_acquire(&ipa_ctx->ipa_lock); |
| wlan_ipa_cleanup_pending_event(ipa_ctx); |
| qdf_mutex_release(&ipa_ctx->ipa_lock); |
| |
| for (i = 0; i < WLAN_IPA_UC_OPCODE_MAX; i++) { |
| qdf_cancel_work(&ipa_ctx->uc_op_work[i].work); |
| qdf_mem_free(ipa_ctx->uc_op_work[i].msg); |
| ipa_ctx->uc_op_work[i].msg = NULL; |
| } |
| |
| ipa_debug("exit: ret=%d", status); |
| return status; |
| } |
| |
| /** |
| * wlan_ipa_uc_send_evt() - send event to ipa |
| * @net_dev: Interface net device |
| * @type: event type |
| * @mac_addr: pointer to mac address |
| * |
| * Send event to IPA driver |
| * |
| * Return: QDF_STATUS |
| */ |
| static QDF_STATUS wlan_ipa_uc_send_evt(qdf_netdev_t net_dev, |
| qdf_ipa_wlan_event type, |
| uint8_t *mac_addr) |
| { |
| struct wlan_ipa_priv *ipa_ctx = gp_ipa; |
| qdf_ipa_msg_meta_t meta; |
| qdf_ipa_wlan_msg_t *msg; |
| |
| QDF_IPA_MSG_META_MSG_LEN(&meta) = sizeof(qdf_ipa_wlan_msg_t); |
| msg = qdf_mem_malloc(QDF_IPA_MSG_META_MSG_LEN(&meta)); |
| if (!msg) { |
| ipa_err("msg allocation failed"); |
| return QDF_STATUS_E_NOMEM; |
| } |
| |
| QDF_IPA_SET_META_MSG_TYPE(&meta, type); |
| qdf_str_lcopy(QDF_IPA_WLAN_MSG_NAME(msg), net_dev->name, |
| IPA_RESOURCE_NAME_MAX); |
| qdf_mem_copy(QDF_IPA_WLAN_MSG_MAC_ADDR(msg), mac_addr, QDF_NET_ETH_LEN); |
| |
| if (qdf_ipa_send_msg(&meta, msg, wlan_ipa_msg_free_fn)) { |
| ipa_err("%s: Evt: %d fail", |
| QDF_IPA_WLAN_MSG_NAME(msg), |
| QDF_IPA_MSG_META_MSG_TYPE(&meta)); |
| qdf_mem_free(msg); |
| |
| return QDF_STATUS_E_FAILURE; |
| } |
| |
| ipa_ctx->stats.num_send_msg++; |
| |
| return QDF_STATUS_SUCCESS; |
| } |
| |
| void wlan_ipa_uc_cleanup_sta(struct wlan_ipa_priv *ipa_ctx, |
| qdf_netdev_t net_dev) |
| { |
| struct wlan_ipa_iface_context *iface_ctx; |
| int i; |
| |
| ipa_debug("enter"); |
| |
| for (i = 0; i < WLAN_IPA_MAX_IFACE; i++) { |
| iface_ctx = &ipa_ctx->iface_context[i]; |
| if (iface_ctx && iface_ctx->device_mode == QDF_STA_MODE && |
| iface_ctx->dev == net_dev && iface_ctx->tl_context) { |
| wlan_ipa_uc_send_evt(net_dev, QDF_IPA_STA_DISCONNECT, |
| net_dev->dev_addr); |
| wlan_ipa_cleanup_iface(iface_ctx); |
| } |
| } |
| |
| ipa_debug("exit"); |
| } |
| |
| QDF_STATUS wlan_ipa_uc_disconnect_ap(struct wlan_ipa_priv *ipa_ctx, |
| qdf_netdev_t net_dev) |
| { |
| struct wlan_ipa_iface_context *iface_ctx; |
| QDF_STATUS status; |
| |
| ipa_debug("enter"); |
| |
| iface_ctx = wlan_ipa_get_iface(ipa_ctx, QDF_SAP_MODE); |
| if (iface_ctx) |
| status = wlan_ipa_uc_send_evt(net_dev, QDF_IPA_AP_DISCONNECT, |
| net_dev->dev_addr); |
| else |
| return QDF_STATUS_E_INVAL; |
| |
| ipa_debug("exit :%d", status); |
| |
| return status; |
| } |
| |
| void wlan_ipa_cleanup_dev_iface(struct wlan_ipa_priv *ipa_ctx, |
| qdf_netdev_t net_dev) |
| { |
| struct wlan_ipa_iface_context *iface_ctx; |
| int i; |
| |
| for (i = 0; i < WLAN_IPA_MAX_IFACE; i++) { |
| iface_ctx = &ipa_ctx->iface_context[i]; |
| if (iface_ctx->dev == net_dev) |
| break; |
| } |
| |
| if (iface_ctx) |
| wlan_ipa_cleanup_iface(iface_ctx); |
| } |
| |
| void wlan_ipa_uc_ssr_cleanup(struct wlan_ipa_priv *ipa_ctx) |
| { |
| struct wlan_ipa_iface_context *iface; |
| int i; |
| |
| ipa_info("enter"); |
| |
| for (i = 0; i < WLAN_IPA_MAX_IFACE; i++) { |
| iface = &ipa_ctx->iface_context[i]; |
| if (iface->dev) { |
| if (iface->device_mode == QDF_SAP_MODE) |
| wlan_ipa_uc_send_evt(iface->dev, |
| QDF_IPA_AP_DISCONNECT, |
| iface->dev->dev_addr); |
| else if (iface->device_mode == QDF_STA_MODE) |
| wlan_ipa_uc_send_evt(iface->dev, |
| QDF_IPA_STA_DISCONNECT, |
| iface->dev->dev_addr); |
| wlan_ipa_cleanup_iface(iface); |
| } |
| } |
| } |
| |
| void wlan_ipa_fw_rejuvenate_send_msg(struct wlan_ipa_priv *ipa_ctx) |
| { |
| qdf_ipa_msg_meta_t meta; |
| qdf_ipa_wlan_msg_t *msg; |
| int ret; |
| |
| meta.msg_len = sizeof(*msg); |
| msg = qdf_mem_malloc(meta.msg_len); |
| if (!msg) { |
| ipa_debug("msg allocation failed"); |
| return; |
| } |
| |
| QDF_IPA_SET_META_MSG_TYPE(&meta, QDF_FWR_SSR_BEFORE_SHUTDOWN); |
| ipa_debug("ipa_send_msg(Evt:%d)", |
| meta.msg_type); |
| ret = qdf_ipa_send_msg(&meta, msg, wlan_ipa_msg_free_fn); |
| |
| if (ret) { |
| ipa_err("ipa_send_msg(Evt:%d)-fail=%d", |
| meta.msg_type, ret); |
| qdf_mem_free(msg); |
| } |
| ipa_ctx->stats.num_send_msg++; |
| } |