1277b024eSKalle Valo /* 2932183aaSGanapathi Bhat * NXP Wireless LAN device driver: commands and events 3277b024eSKalle Valo * 4932183aaSGanapathi Bhat * Copyright 2011-2020 NXP 5277b024eSKalle Valo * 6932183aaSGanapathi Bhat * This software file (the "File") is distributed by NXP 7932183aaSGanapathi Bhat * under the terms of the GNU General Public License Version 2, June 1991 8277b024eSKalle Valo * (the "License"). You may use, redistribute and/or modify this File in 9277b024eSKalle Valo * accordance with the terms and conditions of the License, a copy of which 10277b024eSKalle Valo * is available by writing to the Free Software Foundation, Inc., 11277b024eSKalle Valo * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the 12277b024eSKalle Valo * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. 13277b024eSKalle Valo * 14277b024eSKalle Valo * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE 15277b024eSKalle Valo * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE 16277b024eSKalle Valo * ARE EXPRESSLY DISCLAIMED. The License provides additional details about 17277b024eSKalle Valo * this warranty disclaimer. 18277b024eSKalle Valo */ 19277b024eSKalle Valo 2031704920SHimanshu Jha #include <asm/unaligned.h> 21277b024eSKalle Valo #include "decl.h" 22277b024eSKalle Valo #include "ioctl.h" 23277b024eSKalle Valo #include "util.h" 24277b024eSKalle Valo #include "fw.h" 25277b024eSKalle Valo #include "main.h" 26277b024eSKalle Valo #include "wmm.h" 27277b024eSKalle Valo #include "11n.h" 28277b024eSKalle Valo 292d98cfd1SBrian Norris static void mwifiex_cancel_pending_ioctl(struct mwifiex_adapter *adapter); 302d98cfd1SBrian Norris 31277b024eSKalle Valo /* 32277b024eSKalle Valo * This function initializes a command node. 33277b024eSKalle Valo * 34277b024eSKalle Valo * The actual allocation of the node is not done by this function. It only 35277b024eSKalle Valo * initiates a node by filling it with default parameters. Similarly, 36277b024eSKalle Valo * allocation of the different buffers used (IOCTL buffer, data buffer) are 37277b024eSKalle Valo * not done by this function either. 38277b024eSKalle Valo */ 39277b024eSKalle Valo static void 40277b024eSKalle Valo mwifiex_init_cmd_node(struct mwifiex_private *priv, 41277b024eSKalle Valo struct cmd_ctrl_node *cmd_node, 4274f202aaSSwati Kushwaha u32 cmd_no, void *data_buf, bool sync) 43277b024eSKalle Valo { 44277b024eSKalle Valo cmd_node->priv = priv; 4574f202aaSSwati Kushwaha cmd_node->cmd_no = cmd_no; 4674f202aaSSwati Kushwaha 47277b024eSKalle Valo if (sync) { 48277b024eSKalle Valo cmd_node->wait_q_enabled = true; 49277b024eSKalle Valo cmd_node->cmd_wait_q_woken = false; 50277b024eSKalle Valo cmd_node->condition = &cmd_node->cmd_wait_q_woken; 51277b024eSKalle Valo } 52277b024eSKalle Valo cmd_node->data_buf = data_buf; 53277b024eSKalle Valo cmd_node->cmd_skb = cmd_node->skb; 54277b024eSKalle Valo } 55277b024eSKalle Valo 56277b024eSKalle Valo /* 57277b024eSKalle Valo * This function returns a command node from the free queue depending upon 58277b024eSKalle Valo * availability. 59277b024eSKalle Valo */ 60277b024eSKalle Valo static struct cmd_ctrl_node * 61277b024eSKalle Valo mwifiex_get_cmd_node(struct mwifiex_adapter *adapter) 62277b024eSKalle Valo { 63277b024eSKalle Valo struct cmd_ctrl_node *cmd_node; 64277b024eSKalle Valo 658a7f9fd8SBrian Norris spin_lock_bh(&adapter->cmd_free_q_lock); 66277b024eSKalle Valo if (list_empty(&adapter->cmd_free_q)) { 67277b024eSKalle Valo mwifiex_dbg(adapter, ERROR, 68277b024eSKalle Valo "GET_CMD_NODE: cmd node not available\n"); 698a7f9fd8SBrian Norris spin_unlock_bh(&adapter->cmd_free_q_lock); 70277b024eSKalle Valo return NULL; 71277b024eSKalle Valo } 72277b024eSKalle Valo cmd_node = list_first_entry(&adapter->cmd_free_q, 73277b024eSKalle Valo struct cmd_ctrl_node, list); 74277b024eSKalle Valo list_del(&cmd_node->list); 758a7f9fd8SBrian Norris spin_unlock_bh(&adapter->cmd_free_q_lock); 76277b024eSKalle Valo 77277b024eSKalle Valo return cmd_node; 78277b024eSKalle Valo } 79277b024eSKalle Valo 80277b024eSKalle Valo /* 81277b024eSKalle Valo * This function cleans up a command node. 82277b024eSKalle Valo * 83277b024eSKalle Valo * The function resets the fields including the buffer pointers. 84277b024eSKalle Valo * This function does not try to free the buffers. They must be 85277b024eSKalle Valo * freed before calling this function. 86277b024eSKalle Valo * 87277b024eSKalle Valo * This function will however call the receive completion callback 88277b024eSKalle Valo * in case a response buffer is still available before resetting 89277b024eSKalle Valo * the pointer. 90277b024eSKalle Valo */ 91277b024eSKalle Valo static void 92277b024eSKalle Valo mwifiex_clean_cmd_node(struct mwifiex_adapter *adapter, 93277b024eSKalle Valo struct cmd_ctrl_node *cmd_node) 94277b024eSKalle Valo { 9574f202aaSSwati Kushwaha cmd_node->cmd_no = 0; 96277b024eSKalle Valo cmd_node->cmd_flag = 0; 97277b024eSKalle Valo cmd_node->data_buf = NULL; 98277b024eSKalle Valo cmd_node->wait_q_enabled = false; 99277b024eSKalle Valo 100277b024eSKalle Valo if (cmd_node->cmd_skb) 101277b024eSKalle Valo skb_trim(cmd_node->cmd_skb, 0); 102277b024eSKalle Valo 103277b024eSKalle Valo if (cmd_node->resp_skb) { 104277b024eSKalle Valo adapter->if_ops.cmdrsp_complete(adapter, cmd_node->resp_skb); 105277b024eSKalle Valo cmd_node->resp_skb = NULL; 106277b024eSKalle Valo } 107277b024eSKalle Valo } 108277b024eSKalle Valo 109277b024eSKalle Valo /* 11085abfb12SAndreas Fenkart * This function returns a command to the command free queue. 11185abfb12SAndreas Fenkart * 11285abfb12SAndreas Fenkart * The function also calls the completion callback if required, before 11385abfb12SAndreas Fenkart * cleaning the command node and re-inserting it into the free queue. 11485abfb12SAndreas Fenkart */ 11585abfb12SAndreas Fenkart static void 11685abfb12SAndreas Fenkart mwifiex_insert_cmd_to_free_q(struct mwifiex_adapter *adapter, 11785abfb12SAndreas Fenkart struct cmd_ctrl_node *cmd_node) 11885abfb12SAndreas Fenkart { 11985abfb12SAndreas Fenkart if (!cmd_node) 12085abfb12SAndreas Fenkart return; 12185abfb12SAndreas Fenkart 12285abfb12SAndreas Fenkart if (cmd_node->wait_q_enabled) 12385abfb12SAndreas Fenkart mwifiex_complete_cmd(adapter, cmd_node); 12485abfb12SAndreas Fenkart /* Clean the node */ 12585abfb12SAndreas Fenkart mwifiex_clean_cmd_node(adapter, cmd_node); 12685abfb12SAndreas Fenkart 12785abfb12SAndreas Fenkart /* Insert node into cmd_free_q */ 1288a7f9fd8SBrian Norris spin_lock_bh(&adapter->cmd_free_q_lock); 12985abfb12SAndreas Fenkart list_add_tail(&cmd_node->list, &adapter->cmd_free_q); 1308a7f9fd8SBrian Norris spin_unlock_bh(&adapter->cmd_free_q_lock); 13185abfb12SAndreas Fenkart } 13285abfb12SAndreas Fenkart 13385abfb12SAndreas Fenkart /* This function reuses a command node. */ 13485abfb12SAndreas Fenkart void mwifiex_recycle_cmd_node(struct mwifiex_adapter *adapter, 13585abfb12SAndreas Fenkart struct cmd_ctrl_node *cmd_node) 13685abfb12SAndreas Fenkart { 13785abfb12SAndreas Fenkart struct host_cmd_ds_command *host_cmd = (void *)cmd_node->cmd_skb->data; 13885abfb12SAndreas Fenkart 13985abfb12SAndreas Fenkart mwifiex_insert_cmd_to_free_q(adapter, cmd_node); 14085abfb12SAndreas Fenkart 14185abfb12SAndreas Fenkart atomic_dec(&adapter->cmd_pending); 14285abfb12SAndreas Fenkart mwifiex_dbg(adapter, CMD, 14385abfb12SAndreas Fenkart "cmd: FREE_CMD: cmd=%#x, cmd_pending=%d\n", 14485abfb12SAndreas Fenkart le16_to_cpu(host_cmd->command), 14585abfb12SAndreas Fenkart atomic_read(&adapter->cmd_pending)); 14685abfb12SAndreas Fenkart } 14785abfb12SAndreas Fenkart 14885abfb12SAndreas Fenkart /* 149277b024eSKalle Valo * This function sends a host command to the firmware. 150277b024eSKalle Valo * 151277b024eSKalle Valo * The function copies the host command into the driver command 152277b024eSKalle Valo * buffer, which will be transferred to the firmware later by the 153277b024eSKalle Valo * main thread. 154277b024eSKalle Valo */ 155277b024eSKalle Valo static int mwifiex_cmd_host_cmd(struct mwifiex_private *priv, 156277b024eSKalle Valo struct host_cmd_ds_command *cmd, 157277b024eSKalle Valo struct mwifiex_ds_misc_cmd *pcmd_ptr) 158277b024eSKalle Valo { 159277b024eSKalle Valo /* Copy the HOST command to command buffer */ 160277b024eSKalle Valo memcpy(cmd, pcmd_ptr->cmd, pcmd_ptr->len); 161277b024eSKalle Valo mwifiex_dbg(priv->adapter, CMD, 162277b024eSKalle Valo "cmd: host cmd size = %d\n", pcmd_ptr->len); 163277b024eSKalle Valo return 0; 164277b024eSKalle Valo } 165277b024eSKalle Valo 166277b024eSKalle Valo /* 167277b024eSKalle Valo * This function downloads a command to the firmware. 168277b024eSKalle Valo * 169277b024eSKalle Valo * The function performs sanity tests, sets the command sequence 170277b024eSKalle Valo * number and size, converts the header fields to CPU format before 171277b024eSKalle Valo * sending. Afterwards, it logs the command ID and action for debugging 172277b024eSKalle Valo * and sets up the command timeout timer. 173277b024eSKalle Valo */ 174277b024eSKalle Valo static int mwifiex_dnld_cmd_to_fw(struct mwifiex_private *priv, 175277b024eSKalle Valo struct cmd_ctrl_node *cmd_node) 176277b024eSKalle Valo { 177277b024eSKalle Valo 178277b024eSKalle Valo struct mwifiex_adapter *adapter = priv->adapter; 179277b024eSKalle Valo int ret; 180277b024eSKalle Valo struct host_cmd_ds_command *host_cmd; 181277b024eSKalle Valo uint16_t cmd_code; 182277b024eSKalle Valo uint16_t cmd_size; 183277b024eSKalle Valo 184277b024eSKalle Valo if (!adapter || !cmd_node) 185277b024eSKalle Valo return -1; 186277b024eSKalle Valo 187277b024eSKalle Valo host_cmd = (struct host_cmd_ds_command *) (cmd_node->cmd_skb->data); 188277b024eSKalle Valo 189277b024eSKalle Valo /* Sanity test */ 19011893404STuo Li if (host_cmd->size == 0) { 191277b024eSKalle Valo mwifiex_dbg(adapter, ERROR, 192277b024eSKalle Valo "DNLD_CMD: host_cmd is null\t" 193277b024eSKalle Valo "or cmd size is 0, not sending\n"); 194277b024eSKalle Valo if (cmd_node->wait_q_enabled) 195277b024eSKalle Valo adapter->cmd_wait_q.status = -1; 196277b024eSKalle Valo mwifiex_recycle_cmd_node(adapter, cmd_node); 197277b024eSKalle Valo return -1; 198277b024eSKalle Valo } 199277b024eSKalle Valo 200277b024eSKalle Valo cmd_code = le16_to_cpu(host_cmd->command); 20174f202aaSSwati Kushwaha cmd_node->cmd_no = cmd_code; 202277b024eSKalle Valo cmd_size = le16_to_cpu(host_cmd->size); 203277b024eSKalle Valo 204277b024eSKalle Valo if (adapter->hw_status == MWIFIEX_HW_STATUS_RESET && 205277b024eSKalle Valo cmd_code != HostCmd_CMD_FUNC_SHUTDOWN && 206277b024eSKalle Valo cmd_code != HostCmd_CMD_FUNC_INIT) { 207277b024eSKalle Valo mwifiex_dbg(adapter, ERROR, 208277b024eSKalle Valo "DNLD_CMD: FW in reset state, ignore cmd %#x\n", 209277b024eSKalle Valo cmd_code); 210277b024eSKalle Valo mwifiex_recycle_cmd_node(adapter, cmd_node); 211277b024eSKalle Valo queue_work(adapter->workqueue, &adapter->main_work); 212277b024eSKalle Valo return -1; 213277b024eSKalle Valo } 214277b024eSKalle Valo 215277b024eSKalle Valo /* Set command sequence number */ 216277b024eSKalle Valo adapter->seq_num++; 217277b024eSKalle Valo host_cmd->seq_num = cpu_to_le16(HostCmd_SET_SEQ_NO_BSS_INFO 218277b024eSKalle Valo (adapter->seq_num, 219277b024eSKalle Valo cmd_node->priv->bss_num, 220277b024eSKalle Valo cmd_node->priv->bss_type)); 221277b024eSKalle Valo 2228a7f9fd8SBrian Norris spin_lock_bh(&adapter->mwifiex_cmd_lock); 223277b024eSKalle Valo adapter->curr_cmd = cmd_node; 2248a7f9fd8SBrian Norris spin_unlock_bh(&adapter->mwifiex_cmd_lock); 225277b024eSKalle Valo 226277b024eSKalle Valo /* Adjust skb length */ 227277b024eSKalle Valo if (cmd_node->cmd_skb->len > cmd_size) 228277b024eSKalle Valo /* 229277b024eSKalle Valo * cmd_size is less than sizeof(struct host_cmd_ds_command). 230277b024eSKalle Valo * Trim off the unused portion. 231277b024eSKalle Valo */ 232277b024eSKalle Valo skb_trim(cmd_node->cmd_skb, cmd_size); 233277b024eSKalle Valo else if (cmd_node->cmd_skb->len < cmd_size) 234277b024eSKalle Valo /* 235277b024eSKalle Valo * cmd_size is larger than sizeof(struct host_cmd_ds_command) 236277b024eSKalle Valo * because we have appended custom IE TLV. Increase skb length 237277b024eSKalle Valo * accordingly. 238277b024eSKalle Valo */ 239277b024eSKalle Valo skb_put(cmd_node->cmd_skb, cmd_size - cmd_node->cmd_skb->len); 240277b024eSKalle Valo 241277b024eSKalle Valo mwifiex_dbg(adapter, CMD, 242277b024eSKalle Valo "cmd: DNLD_CMD: %#x, act %#x, len %d, seqno %#x\n", 243277b024eSKalle Valo cmd_code, 24492c70a95SDevidas Puranik get_unaligned_le16((u8 *)host_cmd + S_DS_GEN), 245277b024eSKalle Valo cmd_size, le16_to_cpu(host_cmd->seq_num)); 246277b024eSKalle Valo mwifiex_dbg_dump(adapter, CMD_D, "cmd buffer:", host_cmd, cmd_size); 247277b024eSKalle Valo 248277b024eSKalle Valo if (adapter->iface_type == MWIFIEX_USB) { 249277b024eSKalle Valo skb_push(cmd_node->cmd_skb, MWIFIEX_TYPE_LEN); 25031704920SHimanshu Jha put_unaligned_le32(MWIFIEX_USB_TYPE_CMD, 25131704920SHimanshu Jha cmd_node->cmd_skb->data); 252277b024eSKalle Valo adapter->cmd_sent = true; 253277b024eSKalle Valo ret = adapter->if_ops.host_to_card(adapter, 254277b024eSKalle Valo MWIFIEX_USB_EP_CMD_EVENT, 255277b024eSKalle Valo cmd_node->cmd_skb, NULL); 256277b024eSKalle Valo skb_pull(cmd_node->cmd_skb, MWIFIEX_TYPE_LEN); 257277b024eSKalle Valo if (ret == -EBUSY) 258277b024eSKalle Valo cmd_node->cmd_skb = NULL; 259277b024eSKalle Valo } else { 260f4c5d599SXinming Hu skb_push(cmd_node->cmd_skb, adapter->intf_hdr_len); 261277b024eSKalle Valo ret = adapter->if_ops.host_to_card(adapter, MWIFIEX_TYPE_CMD, 262277b024eSKalle Valo cmd_node->cmd_skb, NULL); 263f4c5d599SXinming Hu skb_pull(cmd_node->cmd_skb, adapter->intf_hdr_len); 264277b024eSKalle Valo } 265277b024eSKalle Valo 266277b024eSKalle Valo if (ret == -1) { 267277b024eSKalle Valo mwifiex_dbg(adapter, ERROR, 268277b024eSKalle Valo "DNLD_CMD: host to card failed\n"); 269277b024eSKalle Valo if (adapter->iface_type == MWIFIEX_USB) 270277b024eSKalle Valo adapter->cmd_sent = false; 271277b024eSKalle Valo if (cmd_node->wait_q_enabled) 272277b024eSKalle Valo adapter->cmd_wait_q.status = -1; 273277b024eSKalle Valo mwifiex_recycle_cmd_node(adapter, adapter->curr_cmd); 274277b024eSKalle Valo 2758a7f9fd8SBrian Norris spin_lock_bh(&adapter->mwifiex_cmd_lock); 276277b024eSKalle Valo adapter->curr_cmd = NULL; 2778a7f9fd8SBrian Norris spin_unlock_bh(&adapter->mwifiex_cmd_lock); 278277b024eSKalle Valo 279277b024eSKalle Valo adapter->dbg.num_cmd_host_to_card_failure++; 280277b024eSKalle Valo return -1; 281277b024eSKalle Valo } 282277b024eSKalle Valo 283277b024eSKalle Valo /* Save the last command id and action to debug log */ 284277b024eSKalle Valo adapter->dbg.last_cmd_index = 285277b024eSKalle Valo (adapter->dbg.last_cmd_index + 1) % DBG_CMD_NUM; 286277b024eSKalle Valo adapter->dbg.last_cmd_id[adapter->dbg.last_cmd_index] = cmd_code; 287277b024eSKalle Valo adapter->dbg.last_cmd_act[adapter->dbg.last_cmd_index] = 28892c70a95SDevidas Puranik get_unaligned_le16((u8 *)host_cmd + S_DS_GEN); 289277b024eSKalle Valo 29018d60501SXinming Hu /* Setup the timer after transmit command, except that specific 29118d60501SXinming Hu * command might not have command response. 29218d60501SXinming Hu */ 29318d60501SXinming Hu if (cmd_code != HostCmd_CMD_FW_DUMP_EVENT) 294277b024eSKalle Valo mod_timer(&adapter->cmd_timer, 295277b024eSKalle Valo jiffies + msecs_to_jiffies(MWIFIEX_TIMER_10S)); 296277b024eSKalle Valo 29718d60501SXinming Hu /* Clear BSS_NO_BITS from HostCmd */ 29818d60501SXinming Hu cmd_code &= HostCmd_CMD_ID_MASK; 29918d60501SXinming Hu 300277b024eSKalle Valo return 0; 301277b024eSKalle Valo } 302277b024eSKalle Valo 303277b024eSKalle Valo /* 304277b024eSKalle Valo * This function downloads a sleep confirm command to the firmware. 305277b024eSKalle Valo * 306277b024eSKalle Valo * The function performs sanity tests, sets the command sequence 307277b024eSKalle Valo * number and size, converts the header fields to CPU format before 308277b024eSKalle Valo * sending. 309277b024eSKalle Valo * 310277b024eSKalle Valo * No responses are needed for sleep confirm command. 311277b024eSKalle Valo */ 312277b024eSKalle Valo static int mwifiex_dnld_sleep_confirm_cmd(struct mwifiex_adapter *adapter) 313277b024eSKalle Valo { 314277b024eSKalle Valo int ret; 315277b024eSKalle Valo struct mwifiex_private *priv; 316277b024eSKalle Valo struct mwifiex_opt_sleep_confirm *sleep_cfm_buf = 317277b024eSKalle Valo (struct mwifiex_opt_sleep_confirm *) 318277b024eSKalle Valo adapter->sleep_cfm->data; 319277b024eSKalle Valo struct sk_buff *sleep_cfm_tmp; 320277b024eSKalle Valo 321277b024eSKalle Valo priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); 322277b024eSKalle Valo 323277b024eSKalle Valo adapter->seq_num++; 324277b024eSKalle Valo sleep_cfm_buf->seq_num = 3256a953dc4SNathan Chancellor cpu_to_le16(HostCmd_SET_SEQ_NO_BSS_INFO 326277b024eSKalle Valo (adapter->seq_num, priv->bss_num, 3276a953dc4SNathan Chancellor priv->bss_type)); 328277b024eSKalle Valo 329277b024eSKalle Valo mwifiex_dbg(adapter, CMD, 330277b024eSKalle Valo "cmd: DNLD_CMD: %#x, act %#x, len %d, seqno %#x\n", 331277b024eSKalle Valo le16_to_cpu(sleep_cfm_buf->command), 332277b024eSKalle Valo le16_to_cpu(sleep_cfm_buf->action), 333277b024eSKalle Valo le16_to_cpu(sleep_cfm_buf->size), 334277b024eSKalle Valo le16_to_cpu(sleep_cfm_buf->seq_num)); 335277b024eSKalle Valo mwifiex_dbg_dump(adapter, CMD_D, "SLEEP_CFM buffer: ", sleep_cfm_buf, 336277b024eSKalle Valo le16_to_cpu(sleep_cfm_buf->size)); 337277b024eSKalle Valo 338277b024eSKalle Valo if (adapter->iface_type == MWIFIEX_USB) { 339277b024eSKalle Valo sleep_cfm_tmp = 340277b024eSKalle Valo dev_alloc_skb(sizeof(struct mwifiex_opt_sleep_confirm) 341277b024eSKalle Valo + MWIFIEX_TYPE_LEN); 342e5b9b206SKangjie Lu if (!sleep_cfm_tmp) { 343e5b9b206SKangjie Lu mwifiex_dbg(adapter, ERROR, 344e5b9b206SKangjie Lu "SLEEP_CFM: dev_alloc_skb failed\n"); 345e5b9b206SKangjie Lu return -ENOMEM; 346e5b9b206SKangjie Lu } 347e5b9b206SKangjie Lu 348277b024eSKalle Valo skb_put(sleep_cfm_tmp, sizeof(struct mwifiex_opt_sleep_confirm) 349277b024eSKalle Valo + MWIFIEX_TYPE_LEN); 35031704920SHimanshu Jha put_unaligned_le32(MWIFIEX_USB_TYPE_CMD, sleep_cfm_tmp->data); 351277b024eSKalle Valo memcpy(sleep_cfm_tmp->data + MWIFIEX_TYPE_LEN, 352277b024eSKalle Valo adapter->sleep_cfm->data, 353277b024eSKalle Valo sizeof(struct mwifiex_opt_sleep_confirm)); 354277b024eSKalle Valo ret = adapter->if_ops.host_to_card(adapter, 355277b024eSKalle Valo MWIFIEX_USB_EP_CMD_EVENT, 356277b024eSKalle Valo sleep_cfm_tmp, NULL); 357277b024eSKalle Valo if (ret != -EBUSY) 358277b024eSKalle Valo dev_kfree_skb_any(sleep_cfm_tmp); 359277b024eSKalle Valo } else { 360f4c5d599SXinming Hu skb_push(adapter->sleep_cfm, adapter->intf_hdr_len); 361277b024eSKalle Valo ret = adapter->if_ops.host_to_card(adapter, MWIFIEX_TYPE_CMD, 362277b024eSKalle Valo adapter->sleep_cfm, NULL); 363f4c5d599SXinming Hu skb_pull(adapter->sleep_cfm, adapter->intf_hdr_len); 364277b024eSKalle Valo } 365277b024eSKalle Valo 366277b024eSKalle Valo if (ret == -1) { 367277b024eSKalle Valo mwifiex_dbg(adapter, ERROR, "SLEEP_CFM: failed\n"); 368277b024eSKalle Valo adapter->dbg.num_cmd_sleep_cfm_host_to_card_failure++; 369277b024eSKalle Valo return -1; 370277b024eSKalle Valo } 371277b024eSKalle Valo 372277b024eSKalle Valo if (!le16_to_cpu(sleep_cfm_buf->resp_ctrl)) 373277b024eSKalle Valo /* Response is not needed for sleep confirm command */ 374277b024eSKalle Valo adapter->ps_state = PS_STATE_SLEEP; 375277b024eSKalle Valo else 376277b024eSKalle Valo adapter->ps_state = PS_STATE_SLEEP_CFM; 377277b024eSKalle Valo 378277b024eSKalle Valo if (!le16_to_cpu(sleep_cfm_buf->resp_ctrl) && 379fc3a2fcaSGanapathi Bhat (test_bit(MWIFIEX_IS_HS_CONFIGURED, &adapter->work_flags) && 380277b024eSKalle Valo !adapter->sleep_period.period)) { 381277b024eSKalle Valo adapter->pm_wakeup_card_req = true; 382277b024eSKalle Valo mwifiex_hs_activated_event(mwifiex_get_priv 383277b024eSKalle Valo (adapter, MWIFIEX_BSS_ROLE_ANY), true); 384277b024eSKalle Valo } 385277b024eSKalle Valo 386277b024eSKalle Valo return ret; 387277b024eSKalle Valo } 388277b024eSKalle Valo 389277b024eSKalle Valo /* 390277b024eSKalle Valo * This function allocates the command buffers and links them to 391277b024eSKalle Valo * the command free queue. 392277b024eSKalle Valo * 393277b024eSKalle Valo * The driver uses a pre allocated number of command buffers, which 394277b024eSKalle Valo * are created at driver initializations and freed at driver cleanup. 395277b024eSKalle Valo * Every command needs to obtain a command buffer from this pool before 396277b024eSKalle Valo * it can be issued. The command free queue lists the command buffers 397277b024eSKalle Valo * currently free to use, while the command pending queue lists the 398277b024eSKalle Valo * command buffers already in use and awaiting handling. Command buffers 399277b024eSKalle Valo * are returned to the free queue after use. 400277b024eSKalle Valo */ 401277b024eSKalle Valo int mwifiex_alloc_cmd_buffer(struct mwifiex_adapter *adapter) 402277b024eSKalle Valo { 403277b024eSKalle Valo struct cmd_ctrl_node *cmd_array; 404277b024eSKalle Valo u32 i; 405277b024eSKalle Valo 406277b024eSKalle Valo /* Allocate and initialize struct cmd_ctrl_node */ 407277b024eSKalle Valo cmd_array = kcalloc(MWIFIEX_NUM_OF_CMD_BUFFER, 408277b024eSKalle Valo sizeof(struct cmd_ctrl_node), GFP_KERNEL); 409277b024eSKalle Valo if (!cmd_array) 410277b024eSKalle Valo return -ENOMEM; 411277b024eSKalle Valo 412277b024eSKalle Valo adapter->cmd_pool = cmd_array; 413277b024eSKalle Valo 414277b024eSKalle Valo /* Allocate and initialize command buffers */ 415277b024eSKalle Valo for (i = 0; i < MWIFIEX_NUM_OF_CMD_BUFFER; i++) { 416277b024eSKalle Valo cmd_array[i].skb = dev_alloc_skb(MWIFIEX_SIZE_OF_CMD_BUFFER); 417277b024eSKalle Valo if (!cmd_array[i].skb) { 418277b024eSKalle Valo mwifiex_dbg(adapter, ERROR, 419277b024eSKalle Valo "unable to allocate command buffer\n"); 420277b024eSKalle Valo return -ENOMEM; 421277b024eSKalle Valo } 422277b024eSKalle Valo } 423277b024eSKalle Valo 424277b024eSKalle Valo for (i = 0; i < MWIFIEX_NUM_OF_CMD_BUFFER; i++) 425277b024eSKalle Valo mwifiex_insert_cmd_to_free_q(adapter, &cmd_array[i]); 426277b024eSKalle Valo 427277b024eSKalle Valo return 0; 428277b024eSKalle Valo } 429277b024eSKalle Valo 430277b024eSKalle Valo /* 431277b024eSKalle Valo * This function frees the command buffers. 432277b024eSKalle Valo * 433277b024eSKalle Valo * The function calls the completion callback for all the command 434277b024eSKalle Valo * buffers that still have response buffers associated with them. 435277b024eSKalle Valo */ 436f7d7e4b6SBrian Norris void mwifiex_free_cmd_buffer(struct mwifiex_adapter *adapter) 437277b024eSKalle Valo { 438277b024eSKalle Valo struct cmd_ctrl_node *cmd_array; 439277b024eSKalle Valo u32 i; 440277b024eSKalle Valo 441277b024eSKalle Valo /* Need to check if cmd pool is allocated or not */ 442277b024eSKalle Valo if (!adapter->cmd_pool) { 443277b024eSKalle Valo mwifiex_dbg(adapter, FATAL, 444277b024eSKalle Valo "info: FREE_CMD_BUF: cmd_pool is null\n"); 445f7d7e4b6SBrian Norris return; 446277b024eSKalle Valo } 447277b024eSKalle Valo 448277b024eSKalle Valo cmd_array = adapter->cmd_pool; 449277b024eSKalle Valo 450277b024eSKalle Valo /* Release shared memory buffers */ 451277b024eSKalle Valo for (i = 0; i < MWIFIEX_NUM_OF_CMD_BUFFER; i++) { 452277b024eSKalle Valo if (cmd_array[i].skb) { 453277b024eSKalle Valo mwifiex_dbg(adapter, CMD, 454277b024eSKalle Valo "cmd: free cmd buffer %d\n", i); 455277b024eSKalle Valo dev_kfree_skb_any(cmd_array[i].skb); 456277b024eSKalle Valo } 457277b024eSKalle Valo if (!cmd_array[i].resp_skb) 458277b024eSKalle Valo continue; 459277b024eSKalle Valo 460277b024eSKalle Valo if (adapter->iface_type == MWIFIEX_USB) 461277b024eSKalle Valo adapter->if_ops.cmdrsp_complete(adapter, 462277b024eSKalle Valo cmd_array[i].resp_skb); 463277b024eSKalle Valo else 464277b024eSKalle Valo dev_kfree_skb_any(cmd_array[i].resp_skb); 465277b024eSKalle Valo } 466277b024eSKalle Valo /* Release struct cmd_ctrl_node */ 467277b024eSKalle Valo if (adapter->cmd_pool) { 468277b024eSKalle Valo mwifiex_dbg(adapter, CMD, 469277b024eSKalle Valo "cmd: free cmd pool\n"); 470277b024eSKalle Valo kfree(adapter->cmd_pool); 471277b024eSKalle Valo adapter->cmd_pool = NULL; 472277b024eSKalle Valo } 473277b024eSKalle Valo } 474277b024eSKalle Valo 475277b024eSKalle Valo /* 476277b024eSKalle Valo * This function handles events generated by firmware. 477277b024eSKalle Valo * 478277b024eSKalle Valo * Event body of events received from firmware are not used (though they are 479277b024eSKalle Valo * saved), only the event ID is used. Some events are re-invoked by 480277b024eSKalle Valo * the driver, with a new event body. 481277b024eSKalle Valo * 482277b024eSKalle Valo * After processing, the function calls the completion callback 483277b024eSKalle Valo * for cleanup. 484277b024eSKalle Valo */ 485277b024eSKalle Valo int mwifiex_process_event(struct mwifiex_adapter *adapter) 486277b024eSKalle Valo { 487441756b6SGanapathi Bhat int ret, i; 488277b024eSKalle Valo struct mwifiex_private *priv = 489277b024eSKalle Valo mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); 490277b024eSKalle Valo struct sk_buff *skb = adapter->event_skb; 491441756b6SGanapathi Bhat u32 eventcause; 492277b024eSKalle Valo struct mwifiex_rxinfo *rx_info; 493277b024eSKalle Valo 494441756b6SGanapathi Bhat if ((adapter->event_cause & EVENT_ID_MASK) == EVENT_RADAR_DETECTED) { 495441756b6SGanapathi Bhat for (i = 0; i < adapter->priv_num; i++) { 496441756b6SGanapathi Bhat priv = adapter->priv[i]; 497441756b6SGanapathi Bhat if (priv && mwifiex_is_11h_active(priv)) { 498441756b6SGanapathi Bhat adapter->event_cause |= 499441756b6SGanapathi Bhat ((priv->bss_num & 0xff) << 16) | 500441756b6SGanapathi Bhat ((priv->bss_type & 0xff) << 24); 501441756b6SGanapathi Bhat break; 502441756b6SGanapathi Bhat } 503441756b6SGanapathi Bhat } 504441756b6SGanapathi Bhat } 505441756b6SGanapathi Bhat 506441756b6SGanapathi Bhat eventcause = adapter->event_cause; 507441756b6SGanapathi Bhat 508277b024eSKalle Valo /* Save the last event to debug log */ 509277b024eSKalle Valo adapter->dbg.last_event_index = 510277b024eSKalle Valo (adapter->dbg.last_event_index + 1) % DBG_CMD_NUM; 511277b024eSKalle Valo adapter->dbg.last_event[adapter->dbg.last_event_index] = 512277b024eSKalle Valo (u16) eventcause; 513277b024eSKalle Valo 514277b024eSKalle Valo /* Get BSS number and corresponding priv */ 515277b024eSKalle Valo priv = mwifiex_get_priv_by_id(adapter, EVENT_GET_BSS_NUM(eventcause), 516277b024eSKalle Valo EVENT_GET_BSS_TYPE(eventcause)); 517277b024eSKalle Valo if (!priv) 518277b024eSKalle Valo priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); 519277b024eSKalle Valo 520277b024eSKalle Valo /* Clear BSS_NO_BITS from event */ 521277b024eSKalle Valo eventcause &= EVENT_ID_MASK; 522277b024eSKalle Valo adapter->event_cause = eventcause; 523277b024eSKalle Valo 524277b024eSKalle Valo if (skb) { 525277b024eSKalle Valo rx_info = MWIFIEX_SKB_RXCB(skb); 526277b024eSKalle Valo memset(rx_info, 0, sizeof(*rx_info)); 527277b024eSKalle Valo rx_info->bss_num = priv->bss_num; 528277b024eSKalle Valo rx_info->bss_type = priv->bss_type; 529277b024eSKalle Valo mwifiex_dbg_dump(adapter, EVT_D, "Event Buf:", 530277b024eSKalle Valo skb->data, skb->len); 531277b024eSKalle Valo } 532277b024eSKalle Valo 533277b024eSKalle Valo mwifiex_dbg(adapter, EVENT, "EVENT: cause: %#x\n", eventcause); 534277b024eSKalle Valo 535277b024eSKalle Valo if (priv->bss_role == MWIFIEX_BSS_ROLE_UAP) 536277b024eSKalle Valo ret = mwifiex_process_uap_event(priv); 537277b024eSKalle Valo else 538277b024eSKalle Valo ret = mwifiex_process_sta_event(priv); 539277b024eSKalle Valo 540277b024eSKalle Valo adapter->event_cause = 0; 541277b024eSKalle Valo adapter->event_skb = NULL; 542277b024eSKalle Valo adapter->if_ops.event_complete(adapter, skb); 543277b024eSKalle Valo 544277b024eSKalle Valo return ret; 545277b024eSKalle Valo } 546277b024eSKalle Valo 547277b024eSKalle Valo /* 548277b024eSKalle Valo * This function prepares a command and send it to the firmware. 549277b024eSKalle Valo * 550277b024eSKalle Valo * Preparation includes - 551277b024eSKalle Valo * - Sanity tests to make sure the card is still present or the FW 552277b024eSKalle Valo * is not reset 553277b024eSKalle Valo * - Getting a new command node from the command free queue 554277b024eSKalle Valo * - Initializing the command node for default parameters 555277b024eSKalle Valo * - Fill up the non-default parameters and buffer pointers 556277b024eSKalle Valo * - Add the command to pending queue 557277b024eSKalle Valo */ 558277b024eSKalle Valo int mwifiex_send_cmd(struct mwifiex_private *priv, u16 cmd_no, 559277b024eSKalle Valo u16 cmd_action, u32 cmd_oid, void *data_buf, bool sync) 560277b024eSKalle Valo { 561277b024eSKalle Valo int ret; 562277b024eSKalle Valo struct mwifiex_adapter *adapter = priv->adapter; 563277b024eSKalle Valo struct cmd_ctrl_node *cmd_node; 564277b024eSKalle Valo struct host_cmd_ds_command *cmd_ptr; 565277b024eSKalle Valo 566277b024eSKalle Valo if (!adapter) { 567277b024eSKalle Valo pr_err("PREP_CMD: adapter is NULL\n"); 568277b024eSKalle Valo return -1; 569277b024eSKalle Valo } 570277b024eSKalle Valo 571fc3a2fcaSGanapathi Bhat if (test_bit(MWIFIEX_IS_SUSPENDED, &adapter->work_flags)) { 572277b024eSKalle Valo mwifiex_dbg(adapter, ERROR, 573277b024eSKalle Valo "PREP_CMD: device in suspended state\n"); 574277b024eSKalle Valo return -1; 575277b024eSKalle Valo } 576277b024eSKalle Valo 577fc3a2fcaSGanapathi Bhat if (test_bit(MWIFIEX_IS_HS_ENABLING, &adapter->work_flags) && 578fc3a2fcaSGanapathi Bhat cmd_no != HostCmd_CMD_802_11_HS_CFG_ENH) { 579277b024eSKalle Valo mwifiex_dbg(adapter, ERROR, 580277b024eSKalle Valo "PREP_CMD: host entering sleep state\n"); 581277b024eSKalle Valo return -1; 582277b024eSKalle Valo } 583277b024eSKalle Valo 584fc3a2fcaSGanapathi Bhat if (test_bit(MWIFIEX_SURPRISE_REMOVED, &adapter->work_flags)) { 585277b024eSKalle Valo mwifiex_dbg(adapter, ERROR, 586277b024eSKalle Valo "PREP_CMD: card is removed\n"); 587277b024eSKalle Valo return -1; 588277b024eSKalle Valo } 589277b024eSKalle Valo 590fc3a2fcaSGanapathi Bhat if (test_bit(MWIFIEX_IS_CMD_TIMEDOUT, &adapter->work_flags)) { 591277b024eSKalle Valo mwifiex_dbg(adapter, ERROR, 592277b024eSKalle Valo "PREP_CMD: FW is in bad state\n"); 593277b024eSKalle Valo return -1; 594277b024eSKalle Valo } 595277b024eSKalle Valo 596277b024eSKalle Valo if (adapter->hw_status == MWIFIEX_HW_STATUS_RESET) { 597277b024eSKalle Valo if (cmd_no != HostCmd_CMD_FUNC_INIT) { 598277b024eSKalle Valo mwifiex_dbg(adapter, ERROR, 599277b024eSKalle Valo "PREP_CMD: FW in reset state\n"); 600277b024eSKalle Valo return -1; 601277b024eSKalle Valo } 602277b024eSKalle Valo } 603cf5383b0SXinming Hu /* We don't expect commands in manufacturing mode. They are cooked 604cf5383b0SXinming Hu * in application and ready to download buffer is passed to the driver 605cf5383b0SXinming Hu */ 606cf5383b0SXinming Hu if (adapter->mfg_mode && cmd_no) { 607cf5383b0SXinming Hu dev_dbg(adapter->dev, "Ignoring commands in manufacturing mode\n"); 608cf5383b0SXinming Hu return -1; 609cf5383b0SXinming Hu } 610cf5383b0SXinming Hu 611*5943a864SJonas Dreßler if (priv->adapter->hs_activated_manually && 612*5943a864SJonas Dreßler cmd_no != HostCmd_CMD_802_11_HS_CFG_ENH) { 613*5943a864SJonas Dreßler mwifiex_cancel_hs(priv, MWIFIEX_ASYNC_CMD); 614*5943a864SJonas Dreßler priv->adapter->hs_activated_manually = false; 615*5943a864SJonas Dreßler } 616277b024eSKalle Valo 617277b024eSKalle Valo /* Get a new command node */ 618277b024eSKalle Valo cmd_node = mwifiex_get_cmd_node(adapter); 619277b024eSKalle Valo 620277b024eSKalle Valo if (!cmd_node) { 621277b024eSKalle Valo mwifiex_dbg(adapter, ERROR, 622277b024eSKalle Valo "PREP_CMD: no free cmd node\n"); 623277b024eSKalle Valo return -1; 624277b024eSKalle Valo } 625277b024eSKalle Valo 626277b024eSKalle Valo /* Initialize the command node */ 62774f202aaSSwati Kushwaha mwifiex_init_cmd_node(priv, cmd_node, cmd_no, data_buf, sync); 628277b024eSKalle Valo 629277b024eSKalle Valo if (!cmd_node->cmd_skb) { 630277b024eSKalle Valo mwifiex_dbg(adapter, ERROR, 631277b024eSKalle Valo "PREP_CMD: no free cmd buf\n"); 632277b024eSKalle Valo return -1; 633277b024eSKalle Valo } 634277b024eSKalle Valo 635b080db58SJohannes Berg skb_put_zero(cmd_node->cmd_skb, sizeof(struct host_cmd_ds_command)); 636277b024eSKalle Valo 637277b024eSKalle Valo cmd_ptr = (struct host_cmd_ds_command *) (cmd_node->cmd_skb->data); 638277b024eSKalle Valo cmd_ptr->command = cpu_to_le16(cmd_no); 639277b024eSKalle Valo cmd_ptr->result = 0; 640277b024eSKalle Valo 641277b024eSKalle Valo /* Prepare command */ 642277b024eSKalle Valo if (cmd_no) { 643277b024eSKalle Valo switch (cmd_no) { 644277b024eSKalle Valo case HostCmd_CMD_UAP_SYS_CONFIG: 645277b024eSKalle Valo case HostCmd_CMD_UAP_BSS_START: 646277b024eSKalle Valo case HostCmd_CMD_UAP_BSS_STOP: 647277b024eSKalle Valo case HostCmd_CMD_UAP_STA_DEAUTH: 648277b024eSKalle Valo case HOST_CMD_APCMD_SYS_RESET: 649277b024eSKalle Valo case HOST_CMD_APCMD_STA_LIST: 650277b024eSKalle Valo ret = mwifiex_uap_prepare_cmd(priv, cmd_no, cmd_action, 651277b024eSKalle Valo cmd_oid, data_buf, 652277b024eSKalle Valo cmd_ptr); 653277b024eSKalle Valo break; 654277b024eSKalle Valo default: 655277b024eSKalle Valo ret = mwifiex_sta_prepare_cmd(priv, cmd_no, cmd_action, 656277b024eSKalle Valo cmd_oid, data_buf, 657277b024eSKalle Valo cmd_ptr); 658277b024eSKalle Valo break; 659277b024eSKalle Valo } 660277b024eSKalle Valo } else { 661277b024eSKalle Valo ret = mwifiex_cmd_host_cmd(priv, cmd_ptr, data_buf); 662277b024eSKalle Valo cmd_node->cmd_flag |= CMD_F_HOSTCMD; 663277b024eSKalle Valo } 664277b024eSKalle Valo 665277b024eSKalle Valo /* Return error, since the command preparation failed */ 666277b024eSKalle Valo if (ret) { 667277b024eSKalle Valo mwifiex_dbg(adapter, ERROR, 668277b024eSKalle Valo "PREP_CMD: cmd %#x preparation failed\n", 669277b024eSKalle Valo cmd_no); 670277b024eSKalle Valo mwifiex_insert_cmd_to_free_q(adapter, cmd_node); 671277b024eSKalle Valo return -1; 672277b024eSKalle Valo } 673277b024eSKalle Valo 674277b024eSKalle Valo /* Send command */ 675277b024eSKalle Valo if (cmd_no == HostCmd_CMD_802_11_SCAN || 676277b024eSKalle Valo cmd_no == HostCmd_CMD_802_11_SCAN_EXT) { 677277b024eSKalle Valo mwifiex_queue_scan_cmd(priv, cmd_node); 678277b024eSKalle Valo } else { 679463df471SBrian Norris mwifiex_insert_cmd_to_pending_q(adapter, cmd_node); 680277b024eSKalle Valo queue_work(adapter->workqueue, &adapter->main_work); 681277b024eSKalle Valo if (cmd_node->wait_q_enabled) 682277b024eSKalle Valo ret = mwifiex_wait_queue_complete(adapter, cmd_node); 683277b024eSKalle Valo } 684277b024eSKalle Valo 685277b024eSKalle Valo return ret; 686277b024eSKalle Valo } 687277b024eSKalle Valo 688277b024eSKalle Valo /* 689277b024eSKalle Valo * This function queues a command to the command pending queue. 690277b024eSKalle Valo * 691277b024eSKalle Valo * This in effect adds the command to the command list to be executed. 692277b024eSKalle Valo * Exit PS command is handled specially, by placing it always to the 693277b024eSKalle Valo * front of the command queue. 694277b024eSKalle Valo */ 695277b024eSKalle Valo void 696277b024eSKalle Valo mwifiex_insert_cmd_to_pending_q(struct mwifiex_adapter *adapter, 697463df471SBrian Norris struct cmd_ctrl_node *cmd_node) 698277b024eSKalle Valo { 699277b024eSKalle Valo struct host_cmd_ds_command *host_cmd = NULL; 700277b024eSKalle Valo u16 command; 701463df471SBrian Norris bool add_tail = true; 702277b024eSKalle Valo 703277b024eSKalle Valo host_cmd = (struct host_cmd_ds_command *) (cmd_node->cmd_skb->data); 704277b024eSKalle Valo if (!host_cmd) { 705277b024eSKalle Valo mwifiex_dbg(adapter, ERROR, "QUEUE_CMD: host_cmd is NULL\n"); 706277b024eSKalle Valo return; 707277b024eSKalle Valo } 708277b024eSKalle Valo 709277b024eSKalle Valo command = le16_to_cpu(host_cmd->command); 710277b024eSKalle Valo 711277b024eSKalle Valo /* Exit_PS command needs to be queued in the header always. */ 712277b024eSKalle Valo if (command == HostCmd_CMD_802_11_PS_MODE_ENH) { 713277b024eSKalle Valo struct host_cmd_ds_802_11_ps_mode_enh *pm = 714277b024eSKalle Valo &host_cmd->params.psmode_enh; 715277b024eSKalle Valo if ((le16_to_cpu(pm->action) == DIS_PS) || 716277b024eSKalle Valo (le16_to_cpu(pm->action) == DIS_AUTO_PS)) { 717277b024eSKalle Valo if (adapter->ps_state != PS_STATE_AWAKE) 718277b024eSKalle Valo add_tail = false; 719277b024eSKalle Valo } 720277b024eSKalle Valo } 721277b024eSKalle Valo 722*5943a864SJonas Dreßler /* Same with exit host sleep cmd, luckily that can't happen at the same time as EXIT_PS */ 723*5943a864SJonas Dreßler if (command == HostCmd_CMD_802_11_HS_CFG_ENH) { 724*5943a864SJonas Dreßler struct host_cmd_ds_802_11_hs_cfg_enh *hs_cfg = 725*5943a864SJonas Dreßler &host_cmd->params.opt_hs_cfg; 726*5943a864SJonas Dreßler 727*5943a864SJonas Dreßler if (le16_to_cpu(hs_cfg->action) == HS_ACTIVATE) 728*5943a864SJonas Dreßler add_tail = false; 729*5943a864SJonas Dreßler } 730*5943a864SJonas Dreßler 7318a7f9fd8SBrian Norris spin_lock_bh(&adapter->cmd_pending_q_lock); 732277b024eSKalle Valo if (add_tail) 733277b024eSKalle Valo list_add_tail(&cmd_node->list, &adapter->cmd_pending_q); 734277b024eSKalle Valo else 735277b024eSKalle Valo list_add(&cmd_node->list, &adapter->cmd_pending_q); 7368a7f9fd8SBrian Norris spin_unlock_bh(&adapter->cmd_pending_q_lock); 737277b024eSKalle Valo 738277b024eSKalle Valo atomic_inc(&adapter->cmd_pending); 739277b024eSKalle Valo mwifiex_dbg(adapter, CMD, 740277b024eSKalle Valo "cmd: QUEUE_CMD: cmd=%#x, cmd_pending=%d\n", 741277b024eSKalle Valo command, atomic_read(&adapter->cmd_pending)); 742277b024eSKalle Valo } 743277b024eSKalle Valo 744277b024eSKalle Valo /* 745277b024eSKalle Valo * This function executes the next command in command pending queue. 746277b024eSKalle Valo * 747277b024eSKalle Valo * This function will fail if a command is already in processing stage, 748277b024eSKalle Valo * otherwise it will dequeue the first command from the command pending 749277b024eSKalle Valo * queue and send to the firmware. 750277b024eSKalle Valo * 751277b024eSKalle Valo * If the device is currently in host sleep mode, any commands, except the 752277b024eSKalle Valo * host sleep configuration command will de-activate the host sleep. For PS 753277b024eSKalle Valo * mode, the function will put the firmware back to sleep if applicable. 754277b024eSKalle Valo */ 755277b024eSKalle Valo int mwifiex_exec_next_cmd(struct mwifiex_adapter *adapter) 756277b024eSKalle Valo { 757277b024eSKalle Valo struct mwifiex_private *priv; 758277b024eSKalle Valo struct cmd_ctrl_node *cmd_node; 759277b024eSKalle Valo int ret = 0; 760277b024eSKalle Valo struct host_cmd_ds_command *host_cmd; 761277b024eSKalle Valo 762277b024eSKalle Valo /* Check if already in processing */ 763277b024eSKalle Valo if (adapter->curr_cmd) { 764277b024eSKalle Valo mwifiex_dbg(adapter, FATAL, 765277b024eSKalle Valo "EXEC_NEXT_CMD: cmd in processing\n"); 766277b024eSKalle Valo return -1; 767277b024eSKalle Valo } 768277b024eSKalle Valo 7698a7f9fd8SBrian Norris spin_lock_bh(&adapter->mwifiex_cmd_lock); 770277b024eSKalle Valo /* Check if any command is pending */ 7718a7f9fd8SBrian Norris spin_lock_bh(&adapter->cmd_pending_q_lock); 772277b024eSKalle Valo if (list_empty(&adapter->cmd_pending_q)) { 7738a7f9fd8SBrian Norris spin_unlock_bh(&adapter->cmd_pending_q_lock); 7748a7f9fd8SBrian Norris spin_unlock_bh(&adapter->mwifiex_cmd_lock); 775277b024eSKalle Valo return 0; 776277b024eSKalle Valo } 777277b024eSKalle Valo cmd_node = list_first_entry(&adapter->cmd_pending_q, 778277b024eSKalle Valo struct cmd_ctrl_node, list); 779277b024eSKalle Valo 780277b024eSKalle Valo host_cmd = (struct host_cmd_ds_command *) (cmd_node->cmd_skb->data); 781277b024eSKalle Valo priv = cmd_node->priv; 782277b024eSKalle Valo 783277b024eSKalle Valo if (adapter->ps_state != PS_STATE_AWAKE) { 784277b024eSKalle Valo mwifiex_dbg(adapter, ERROR, 785277b024eSKalle Valo "%s: cannot send cmd in sleep state,\t" 786277b024eSKalle Valo "this should not happen\n", __func__); 7878a7f9fd8SBrian Norris spin_unlock_bh(&adapter->cmd_pending_q_lock); 7888a7f9fd8SBrian Norris spin_unlock_bh(&adapter->mwifiex_cmd_lock); 789277b024eSKalle Valo return ret; 790277b024eSKalle Valo } 791277b024eSKalle Valo 792277b024eSKalle Valo list_del(&cmd_node->list); 7938a7f9fd8SBrian Norris spin_unlock_bh(&adapter->cmd_pending_q_lock); 794277b024eSKalle Valo 7958a7f9fd8SBrian Norris spin_unlock_bh(&adapter->mwifiex_cmd_lock); 796277b024eSKalle Valo ret = mwifiex_dnld_cmd_to_fw(priv, cmd_node); 797277b024eSKalle Valo priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); 798277b024eSKalle Valo /* Any command sent to the firmware when host is in sleep 799277b024eSKalle Valo * mode should de-configure host sleep. We should skip the 800277b024eSKalle Valo * host sleep configuration command itself though 801277b024eSKalle Valo */ 802277b024eSKalle Valo if (priv && (host_cmd->command != 803277b024eSKalle Valo cpu_to_le16(HostCmd_CMD_802_11_HS_CFG_ENH))) { 804277b024eSKalle Valo if (adapter->hs_activated) { 805fc3a2fcaSGanapathi Bhat clear_bit(MWIFIEX_IS_HS_CONFIGURED, 806fc3a2fcaSGanapathi Bhat &adapter->work_flags); 807277b024eSKalle Valo mwifiex_hs_activated_event(priv, false); 808277b024eSKalle Valo } 809277b024eSKalle Valo } 810277b024eSKalle Valo 811277b024eSKalle Valo return ret; 812277b024eSKalle Valo } 813277b024eSKalle Valo 814277b024eSKalle Valo /* 815277b024eSKalle Valo * This function handles the command response. 816277b024eSKalle Valo * 817277b024eSKalle Valo * After processing, the function cleans the command node and puts 818277b024eSKalle Valo * it back to the command free queue. 819277b024eSKalle Valo */ 820277b024eSKalle Valo int mwifiex_process_cmdresp(struct mwifiex_adapter *adapter) 821277b024eSKalle Valo { 822277b024eSKalle Valo struct host_cmd_ds_command *resp; 823277b024eSKalle Valo struct mwifiex_private *priv = 824277b024eSKalle Valo mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); 825277b024eSKalle Valo int ret = 0; 826277b024eSKalle Valo uint16_t orig_cmdresp_no; 827277b024eSKalle Valo uint16_t cmdresp_no; 828277b024eSKalle Valo uint16_t cmdresp_result; 829277b024eSKalle Valo 830277b024eSKalle Valo if (!adapter->curr_cmd || !adapter->curr_cmd->resp_skb) { 831277b024eSKalle Valo resp = (struct host_cmd_ds_command *) adapter->upld_buf; 832277b024eSKalle Valo mwifiex_dbg(adapter, ERROR, 833277b024eSKalle Valo "CMD_RESP: NULL curr_cmd, %#x\n", 834277b024eSKalle Valo le16_to_cpu(resp->command)); 835277b024eSKalle Valo return -1; 836277b024eSKalle Valo } 837277b024eSKalle Valo 83874f202aaSSwati Kushwaha resp = (struct host_cmd_ds_command *)adapter->curr_cmd->resp_skb->data; 83974f202aaSSwati Kushwaha orig_cmdresp_no = le16_to_cpu(resp->command); 84074f202aaSSwati Kushwaha cmdresp_no = (orig_cmdresp_no & HostCmd_CMD_ID_MASK); 84174f202aaSSwati Kushwaha 84274f202aaSSwati Kushwaha if (adapter->curr_cmd->cmd_no != cmdresp_no) { 84374f202aaSSwati Kushwaha mwifiex_dbg(adapter, ERROR, 84474f202aaSSwati Kushwaha "cmdresp error: cmd=0x%x cmd_resp=0x%x\n", 84574f202aaSSwati Kushwaha adapter->curr_cmd->cmd_no, cmdresp_no); 84674f202aaSSwati Kushwaha return -1; 84774f202aaSSwati Kushwaha } 84874f202aaSSwati Kushwaha /* Now we got response from FW, cancel the command timer */ 84974f202aaSSwati Kushwaha del_timer_sync(&adapter->cmd_timer); 850fc3a2fcaSGanapathi Bhat clear_bit(MWIFIEX_IS_CMD_TIMEDOUT, &adapter->work_flags); 851277b024eSKalle Valo 852277b024eSKalle Valo if (adapter->curr_cmd->cmd_flag & CMD_F_HOSTCMD) { 853277b024eSKalle Valo /* Copy original response back to response buffer */ 854277b024eSKalle Valo struct mwifiex_ds_misc_cmd *hostcmd; 855277b024eSKalle Valo uint16_t size = le16_to_cpu(resp->size); 856277b024eSKalle Valo mwifiex_dbg(adapter, INFO, 857277b024eSKalle Valo "info: host cmd resp size = %d\n", size); 858277b024eSKalle Valo size = min_t(u16, size, MWIFIEX_SIZE_OF_CMD_BUFFER); 859277b024eSKalle Valo if (adapter->curr_cmd->data_buf) { 860277b024eSKalle Valo hostcmd = adapter->curr_cmd->data_buf; 861277b024eSKalle Valo hostcmd->len = size; 862277b024eSKalle Valo memcpy(hostcmd->cmd, resp, size); 863277b024eSKalle Valo } 864277b024eSKalle Valo } 865277b024eSKalle Valo 866277b024eSKalle Valo /* Get BSS number and corresponding priv */ 867277b024eSKalle Valo priv = mwifiex_get_priv_by_id(adapter, 868277b024eSKalle Valo HostCmd_GET_BSS_NO(le16_to_cpu(resp->seq_num)), 869277b024eSKalle Valo HostCmd_GET_BSS_TYPE(le16_to_cpu(resp->seq_num))); 870277b024eSKalle Valo if (!priv) 871277b024eSKalle Valo priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); 872277b024eSKalle Valo /* Clear RET_BIT from HostCmd */ 873277b024eSKalle Valo resp->command = cpu_to_le16(orig_cmdresp_no & HostCmd_CMD_ID_MASK); 874277b024eSKalle Valo 875277b024eSKalle Valo cmdresp_no = le16_to_cpu(resp->command); 876277b024eSKalle Valo cmdresp_result = le16_to_cpu(resp->result); 877277b024eSKalle Valo 878277b024eSKalle Valo /* Save the last command response to debug log */ 879277b024eSKalle Valo adapter->dbg.last_cmd_resp_index = 880277b024eSKalle Valo (adapter->dbg.last_cmd_resp_index + 1) % DBG_CMD_NUM; 881277b024eSKalle Valo adapter->dbg.last_cmd_resp_id[adapter->dbg.last_cmd_resp_index] = 882277b024eSKalle Valo orig_cmdresp_no; 883277b024eSKalle Valo 884277b024eSKalle Valo mwifiex_dbg(adapter, CMD, 885277b024eSKalle Valo "cmd: CMD_RESP: 0x%x, result %d, len %d, seqno 0x%x\n", 886277b024eSKalle Valo orig_cmdresp_no, cmdresp_result, 887277b024eSKalle Valo le16_to_cpu(resp->size), le16_to_cpu(resp->seq_num)); 888277b024eSKalle Valo mwifiex_dbg_dump(adapter, CMD_D, "CMD_RESP buffer:", resp, 889277b024eSKalle Valo le16_to_cpu(resp->size)); 890277b024eSKalle Valo 891277b024eSKalle Valo if (!(orig_cmdresp_no & HostCmd_RET_BIT)) { 892277b024eSKalle Valo mwifiex_dbg(adapter, ERROR, "CMD_RESP: invalid cmd resp\n"); 893277b024eSKalle Valo if (adapter->curr_cmd->wait_q_enabled) 894277b024eSKalle Valo adapter->cmd_wait_q.status = -1; 895277b024eSKalle Valo 896277b024eSKalle Valo mwifiex_recycle_cmd_node(adapter, adapter->curr_cmd); 8978a7f9fd8SBrian Norris spin_lock_bh(&adapter->mwifiex_cmd_lock); 898277b024eSKalle Valo adapter->curr_cmd = NULL; 8998a7f9fd8SBrian Norris spin_unlock_bh(&adapter->mwifiex_cmd_lock); 900277b024eSKalle Valo return -1; 901277b024eSKalle Valo } 902277b024eSKalle Valo 903277b024eSKalle Valo if (adapter->curr_cmd->cmd_flag & CMD_F_HOSTCMD) { 904277b024eSKalle Valo adapter->curr_cmd->cmd_flag &= ~CMD_F_HOSTCMD; 905277b024eSKalle Valo if ((cmdresp_result == HostCmd_RESULT_OK) && 906277b024eSKalle Valo (cmdresp_no == HostCmd_CMD_802_11_HS_CFG_ENH)) 907277b024eSKalle Valo ret = mwifiex_ret_802_11_hs_cfg(priv, resp); 908277b024eSKalle Valo } else { 909277b024eSKalle Valo /* handle response */ 910277b024eSKalle Valo ret = mwifiex_process_sta_cmdresp(priv, cmdresp_no, resp); 911277b024eSKalle Valo } 912277b024eSKalle Valo 913277b024eSKalle Valo /* Check init command response */ 914277b024eSKalle Valo if (adapter->hw_status == MWIFIEX_HW_STATUS_INITIALIZING) { 915277b024eSKalle Valo if (ret) { 916277b024eSKalle Valo mwifiex_dbg(adapter, ERROR, 917277b024eSKalle Valo "%s: cmd %#x failed during\t" 918277b024eSKalle Valo "initialization\n", __func__, cmdresp_no); 919277b024eSKalle Valo mwifiex_init_fw_complete(adapter); 920277b024eSKalle Valo return -1; 921277b024eSKalle Valo } else if (adapter->last_init_cmd == cmdresp_no) 922277b024eSKalle Valo adapter->hw_status = MWIFIEX_HW_STATUS_INIT_DONE; 923277b024eSKalle Valo } 924277b024eSKalle Valo 925277b024eSKalle Valo if (adapter->curr_cmd) { 926277b024eSKalle Valo if (adapter->curr_cmd->wait_q_enabled) 927277b024eSKalle Valo adapter->cmd_wait_q.status = ret; 928277b024eSKalle Valo 929277b024eSKalle Valo mwifiex_recycle_cmd_node(adapter, adapter->curr_cmd); 930277b024eSKalle Valo 9318a7f9fd8SBrian Norris spin_lock_bh(&adapter->mwifiex_cmd_lock); 932277b024eSKalle Valo adapter->curr_cmd = NULL; 9338a7f9fd8SBrian Norris spin_unlock_bh(&adapter->mwifiex_cmd_lock); 934277b024eSKalle Valo } 935277b024eSKalle Valo 936277b024eSKalle Valo return ret; 937277b024eSKalle Valo } 938277b024eSKalle Valo 939277b024eSKalle Valo /* 940277b024eSKalle Valo * This function handles the timeout of command sending. 941277b024eSKalle Valo * 942277b024eSKalle Valo * It will re-send the same command again. 943277b024eSKalle Valo */ 944277b024eSKalle Valo void 94508c2eb8eSKees Cook mwifiex_cmd_timeout_func(struct timer_list *t) 946277b024eSKalle Valo { 94708c2eb8eSKees Cook struct mwifiex_adapter *adapter = from_timer(adapter, t, cmd_timer); 948277b024eSKalle Valo struct cmd_ctrl_node *cmd_node; 949277b024eSKalle Valo 950fc3a2fcaSGanapathi Bhat set_bit(MWIFIEX_IS_CMD_TIMEDOUT, &adapter->work_flags); 951277b024eSKalle Valo if (!adapter->curr_cmd) { 952277b024eSKalle Valo mwifiex_dbg(adapter, ERROR, 953277b024eSKalle Valo "cmd: empty curr_cmd\n"); 954277b024eSKalle Valo return; 955277b024eSKalle Valo } 956277b024eSKalle Valo cmd_node = adapter->curr_cmd; 957277b024eSKalle Valo if (cmd_node) { 958277b024eSKalle Valo adapter->dbg.timeout_cmd_id = 959277b024eSKalle Valo adapter->dbg.last_cmd_id[adapter->dbg.last_cmd_index]; 960277b024eSKalle Valo adapter->dbg.timeout_cmd_act = 961277b024eSKalle Valo adapter->dbg.last_cmd_act[adapter->dbg.last_cmd_index]; 962277b024eSKalle Valo mwifiex_dbg(adapter, MSG, 963277b024eSKalle Valo "%s: Timeout cmd id = %#x, act = %#x\n", __func__, 964277b024eSKalle Valo adapter->dbg.timeout_cmd_id, 965277b024eSKalle Valo adapter->dbg.timeout_cmd_act); 966277b024eSKalle Valo 967277b024eSKalle Valo mwifiex_dbg(adapter, MSG, 968277b024eSKalle Valo "num_data_h2c_failure = %d\n", 969277b024eSKalle Valo adapter->dbg.num_tx_host_to_card_failure); 970277b024eSKalle Valo mwifiex_dbg(adapter, MSG, 971277b024eSKalle Valo "num_cmd_h2c_failure = %d\n", 972277b024eSKalle Valo adapter->dbg.num_cmd_host_to_card_failure); 973277b024eSKalle Valo 974277b024eSKalle Valo mwifiex_dbg(adapter, MSG, 975277b024eSKalle Valo "is_cmd_timedout = %d\n", 976fc3a2fcaSGanapathi Bhat test_bit(MWIFIEX_IS_CMD_TIMEDOUT, 977fc3a2fcaSGanapathi Bhat &adapter->work_flags)); 978277b024eSKalle Valo mwifiex_dbg(adapter, MSG, 979277b024eSKalle Valo "num_tx_timeout = %d\n", 980277b024eSKalle Valo adapter->dbg.num_tx_timeout); 981277b024eSKalle Valo 982277b024eSKalle Valo mwifiex_dbg(adapter, MSG, 983277b024eSKalle Valo "last_cmd_index = %d\n", 984277b024eSKalle Valo adapter->dbg.last_cmd_index); 985277b024eSKalle Valo mwifiex_dbg(adapter, MSG, 986277b024eSKalle Valo "last_cmd_id: %*ph\n", 987277b024eSKalle Valo (int)sizeof(adapter->dbg.last_cmd_id), 988277b024eSKalle Valo adapter->dbg.last_cmd_id); 989277b024eSKalle Valo mwifiex_dbg(adapter, MSG, 990277b024eSKalle Valo "last_cmd_act: %*ph\n", 991277b024eSKalle Valo (int)sizeof(adapter->dbg.last_cmd_act), 992277b024eSKalle Valo adapter->dbg.last_cmd_act); 993277b024eSKalle Valo 994277b024eSKalle Valo mwifiex_dbg(adapter, MSG, 995277b024eSKalle Valo "last_cmd_resp_index = %d\n", 996277b024eSKalle Valo adapter->dbg.last_cmd_resp_index); 997277b024eSKalle Valo mwifiex_dbg(adapter, MSG, 998277b024eSKalle Valo "last_cmd_resp_id: %*ph\n", 999277b024eSKalle Valo (int)sizeof(adapter->dbg.last_cmd_resp_id), 1000277b024eSKalle Valo adapter->dbg.last_cmd_resp_id); 1001277b024eSKalle Valo 1002277b024eSKalle Valo mwifiex_dbg(adapter, MSG, 1003277b024eSKalle Valo "last_event_index = %d\n", 1004277b024eSKalle Valo adapter->dbg.last_event_index); 1005277b024eSKalle Valo mwifiex_dbg(adapter, MSG, 1006277b024eSKalle Valo "last_event: %*ph\n", 1007277b024eSKalle Valo (int)sizeof(adapter->dbg.last_event), 1008277b024eSKalle Valo adapter->dbg.last_event); 1009277b024eSKalle Valo 1010277b024eSKalle Valo mwifiex_dbg(adapter, MSG, 1011277b024eSKalle Valo "data_sent=%d cmd_sent=%d\n", 1012277b024eSKalle Valo adapter->data_sent, adapter->cmd_sent); 1013277b024eSKalle Valo 1014277b024eSKalle Valo mwifiex_dbg(adapter, MSG, 1015277b024eSKalle Valo "ps_mode=%d ps_state=%d\n", 1016277b024eSKalle Valo adapter->ps_mode, adapter->ps_state); 1017277b024eSKalle Valo 1018277b024eSKalle Valo if (cmd_node->wait_q_enabled) { 1019277b024eSKalle Valo adapter->cmd_wait_q.status = -ETIMEDOUT; 1020277b024eSKalle Valo mwifiex_cancel_pending_ioctl(adapter); 1021277b024eSKalle Valo } 1022277b024eSKalle Valo } 1023277b024eSKalle Valo if (adapter->hw_status == MWIFIEX_HW_STATUS_INITIALIZING) { 1024277b024eSKalle Valo mwifiex_init_fw_complete(adapter); 1025277b024eSKalle Valo return; 1026277b024eSKalle Valo } 1027277b024eSKalle Valo 1028277b024eSKalle Valo if (adapter->if_ops.device_dump) 1029277b024eSKalle Valo adapter->if_ops.device_dump(adapter); 1030277b024eSKalle Valo 1031277b024eSKalle Valo if (adapter->if_ops.card_reset) 1032277b024eSKalle Valo adapter->if_ops.card_reset(adapter); 1033277b024eSKalle Valo } 1034277b024eSKalle Valo 1035c70ca8cbSAndreas Fenkart void 1036c70ca8cbSAndreas Fenkart mwifiex_cancel_pending_scan_cmd(struct mwifiex_adapter *adapter) 1037c70ca8cbSAndreas Fenkart { 1038c70ca8cbSAndreas Fenkart struct cmd_ctrl_node *cmd_node = NULL, *tmp_node; 1039c70ca8cbSAndreas Fenkart 1040c70ca8cbSAndreas Fenkart /* Cancel all pending scan command */ 10418a7f9fd8SBrian Norris spin_lock_bh(&adapter->scan_pending_q_lock); 1042c70ca8cbSAndreas Fenkart list_for_each_entry_safe(cmd_node, tmp_node, 1043c70ca8cbSAndreas Fenkart &adapter->scan_pending_q, list) { 1044c70ca8cbSAndreas Fenkart list_del(&cmd_node->list); 1045c70ca8cbSAndreas Fenkart cmd_node->wait_q_enabled = false; 1046c70ca8cbSAndreas Fenkart mwifiex_insert_cmd_to_free_q(adapter, cmd_node); 1047c70ca8cbSAndreas Fenkart } 10488a7f9fd8SBrian Norris spin_unlock_bh(&adapter->scan_pending_q_lock); 1049c70ca8cbSAndreas Fenkart } 1050c70ca8cbSAndreas Fenkart 1051277b024eSKalle Valo /* 1052277b024eSKalle Valo * This function cancels all the pending commands. 1053277b024eSKalle Valo * 1054277b024eSKalle Valo * The current command, all commands in command pending queue and all scan 1055277b024eSKalle Valo * commands in scan pending queue are cancelled. All the completion callbacks 1056277b024eSKalle Valo * are called with failure status to ensure cleanup. 1057277b024eSKalle Valo */ 1058277b024eSKalle Valo void 1059277b024eSKalle Valo mwifiex_cancel_all_pending_cmd(struct mwifiex_adapter *adapter) 1060277b024eSKalle Valo { 1061277b024eSKalle Valo struct cmd_ctrl_node *cmd_node = NULL, *tmp_node; 1062277b024eSKalle Valo 10638a7f9fd8SBrian Norris spin_lock_bh(&adapter->mwifiex_cmd_lock); 1064277b024eSKalle Valo /* Cancel current cmd */ 1065277b024eSKalle Valo if ((adapter->curr_cmd) && (adapter->curr_cmd->wait_q_enabled)) { 1066277b024eSKalle Valo adapter->cmd_wait_q.status = -1; 1067277b024eSKalle Valo mwifiex_complete_cmd(adapter, adapter->curr_cmd); 106884349698SVishal Thanki adapter->curr_cmd->wait_q_enabled = false; 1069277b024eSKalle Valo /* no recycle probably wait for response */ 1070277b024eSKalle Valo } 1071277b024eSKalle Valo /* Cancel all pending command */ 10728a7f9fd8SBrian Norris spin_lock_bh(&adapter->cmd_pending_q_lock); 1073277b024eSKalle Valo list_for_each_entry_safe(cmd_node, tmp_node, 1074277b024eSKalle Valo &adapter->cmd_pending_q, list) { 1075277b024eSKalle Valo list_del(&cmd_node->list); 1076277b024eSKalle Valo 1077277b024eSKalle Valo if (cmd_node->wait_q_enabled) 1078277b024eSKalle Valo adapter->cmd_wait_q.status = -1; 1079277b024eSKalle Valo mwifiex_recycle_cmd_node(adapter, cmd_node); 1080277b024eSKalle Valo } 10818a7f9fd8SBrian Norris spin_unlock_bh(&adapter->cmd_pending_q_lock); 10828a7f9fd8SBrian Norris spin_unlock_bh(&adapter->mwifiex_cmd_lock); 1083277b024eSKalle Valo 1084a9c790baSXinming Hu mwifiex_cancel_scan(adapter); 1085277b024eSKalle Valo } 1086277b024eSKalle Valo 1087277b024eSKalle Valo /* 1088277b024eSKalle Valo * This function cancels all pending commands that matches with 1089277b024eSKalle Valo * the given IOCTL request. 1090277b024eSKalle Valo * 1091277b024eSKalle Valo * Both the current command buffer and the pending command queue are 1092277b024eSKalle Valo * searched for matching IOCTL request. The completion callback of 1093277b024eSKalle Valo * the matched command is called with failure status to ensure cleanup. 1094277b024eSKalle Valo * In case of scan commands, all pending commands in scan pending queue 1095277b024eSKalle Valo * are cancelled. 1096277b024eSKalle Valo */ 10972d98cfd1SBrian Norris static void 1098277b024eSKalle Valo mwifiex_cancel_pending_ioctl(struct mwifiex_adapter *adapter) 1099277b024eSKalle Valo { 1100c70ca8cbSAndreas Fenkart struct cmd_ctrl_node *cmd_node = NULL; 1101277b024eSKalle Valo 1102277b024eSKalle Valo if ((adapter->curr_cmd) && 1103277b024eSKalle Valo (adapter->curr_cmd->wait_q_enabled)) { 11048a7f9fd8SBrian Norris spin_lock_bh(&adapter->mwifiex_cmd_lock); 1105277b024eSKalle Valo cmd_node = adapter->curr_cmd; 1106277b024eSKalle Valo /* setting curr_cmd to NULL is quite dangerous, because 1107277b024eSKalle Valo * mwifiex_process_cmdresp checks curr_cmd to be != NULL 1108277b024eSKalle Valo * at the beginning then relies on it and dereferences 1109277b024eSKalle Valo * it at will 1110277b024eSKalle Valo * this probably works since mwifiex_cmd_timeout_func 1111277b024eSKalle Valo * is the only caller of this function and responses 1112277b024eSKalle Valo * at that point 1113277b024eSKalle Valo */ 1114277b024eSKalle Valo adapter->curr_cmd = NULL; 11158a7f9fd8SBrian Norris spin_unlock_bh(&adapter->mwifiex_cmd_lock); 1116277b024eSKalle Valo 1117277b024eSKalle Valo mwifiex_recycle_cmd_node(adapter, cmd_node); 1118277b024eSKalle Valo } 1119277b024eSKalle Valo 1120a9c790baSXinming Hu mwifiex_cancel_scan(adapter); 1121277b024eSKalle Valo } 1122277b024eSKalle Valo 1123277b024eSKalle Valo /* 1124277b024eSKalle Valo * This function sends the sleep confirm command to firmware, if 1125277b024eSKalle Valo * possible. 1126277b024eSKalle Valo * 1127277b024eSKalle Valo * The sleep confirm command cannot be issued if command response, 1128277b024eSKalle Valo * data response or event response is awaiting handling, or if we 1129277b024eSKalle Valo * are in the middle of sending a command, or expecting a command 1130277b024eSKalle Valo * response. 1131277b024eSKalle Valo */ 1132277b024eSKalle Valo void 1133277b024eSKalle Valo mwifiex_check_ps_cond(struct mwifiex_adapter *adapter) 1134277b024eSKalle Valo { 1135eb2428fbSShengzhen Li if (!adapter->cmd_sent && !atomic_read(&adapter->tx_hw_pending) && 1136277b024eSKalle Valo !adapter->curr_cmd && !IS_CARD_RX_RCVD(adapter)) 1137277b024eSKalle Valo mwifiex_dnld_sleep_confirm_cmd(adapter); 1138277b024eSKalle Valo else 1139277b024eSKalle Valo mwifiex_dbg(adapter, CMD, 1140eb2428fbSShengzhen Li "cmd: Delay Sleep Confirm (%s%s%s%s)\n", 1141277b024eSKalle Valo (adapter->cmd_sent) ? "D" : "", 1142eb2428fbSShengzhen Li atomic_read(&adapter->tx_hw_pending) ? "T" : "", 1143277b024eSKalle Valo (adapter->curr_cmd) ? "C" : "", 1144277b024eSKalle Valo (IS_CARD_RX_RCVD(adapter)) ? "R" : ""); 1145277b024eSKalle Valo } 1146277b024eSKalle Valo 1147277b024eSKalle Valo /* 1148277b024eSKalle Valo * This function sends a Host Sleep activated event to applications. 1149277b024eSKalle Valo * 1150277b024eSKalle Valo * This event is generated by the driver, with a blank event body. 1151277b024eSKalle Valo */ 1152277b024eSKalle Valo void 1153277b024eSKalle Valo mwifiex_hs_activated_event(struct mwifiex_private *priv, u8 activated) 1154277b024eSKalle Valo { 1155277b024eSKalle Valo if (activated) { 1156fc3a2fcaSGanapathi Bhat if (test_bit(MWIFIEX_IS_HS_CONFIGURED, 1157fc3a2fcaSGanapathi Bhat &priv->adapter->work_flags)) { 1158277b024eSKalle Valo priv->adapter->hs_activated = true; 1159277b024eSKalle Valo mwifiex_update_rxreor_flags(priv->adapter, 1160277b024eSKalle Valo RXREOR_FORCE_NO_DROP); 1161277b024eSKalle Valo mwifiex_dbg(priv->adapter, EVENT, 1162277b024eSKalle Valo "event: hs_activated\n"); 1163277b024eSKalle Valo priv->adapter->hs_activate_wait_q_woken = true; 1164277b024eSKalle Valo wake_up_interruptible( 1165277b024eSKalle Valo &priv->adapter->hs_activate_wait_q); 1166277b024eSKalle Valo } else { 1167277b024eSKalle Valo mwifiex_dbg(priv->adapter, EVENT, 1168277b024eSKalle Valo "event: HS not configured\n"); 1169277b024eSKalle Valo } 1170277b024eSKalle Valo } else { 1171277b024eSKalle Valo mwifiex_dbg(priv->adapter, EVENT, 1172277b024eSKalle Valo "event: hs_deactivated\n"); 1173277b024eSKalle Valo priv->adapter->hs_activated = false; 1174277b024eSKalle Valo } 1175277b024eSKalle Valo } 1176277b024eSKalle Valo 1177277b024eSKalle Valo /* 1178277b024eSKalle Valo * This function handles the command response of a Host Sleep configuration 1179277b024eSKalle Valo * command. 1180277b024eSKalle Valo * 1181277b024eSKalle Valo * Handling includes changing the header fields into CPU format 1182277b024eSKalle Valo * and setting the current host sleep activation status in driver. 1183277b024eSKalle Valo * 1184277b024eSKalle Valo * In case host sleep status change, the function generates an event to 1185277b024eSKalle Valo * notify the applications. 1186277b024eSKalle Valo */ 1187277b024eSKalle Valo int mwifiex_ret_802_11_hs_cfg(struct mwifiex_private *priv, 1188277b024eSKalle Valo struct host_cmd_ds_command *resp) 1189277b024eSKalle Valo { 1190277b024eSKalle Valo struct mwifiex_adapter *adapter = priv->adapter; 1191277b024eSKalle Valo struct host_cmd_ds_802_11_hs_cfg_enh *phs_cfg = 1192277b024eSKalle Valo &resp->params.opt_hs_cfg; 1193277b024eSKalle Valo uint32_t conditions = le32_to_cpu(phs_cfg->params.hs_config.conditions); 1194277b024eSKalle Valo 1195277b024eSKalle Valo if (phs_cfg->action == cpu_to_le16(HS_ACTIVATE) && 1196277b024eSKalle Valo adapter->iface_type != MWIFIEX_USB) { 1197277b024eSKalle Valo mwifiex_hs_activated_event(priv, true); 1198277b024eSKalle Valo return 0; 1199277b024eSKalle Valo } else { 1200277b024eSKalle Valo mwifiex_dbg(adapter, CMD, 1201277b024eSKalle Valo "cmd: CMD_RESP: HS_CFG cmd reply\t" 1202277b024eSKalle Valo " result=%#x, conditions=0x%x gpio=0x%x gap=0x%x\n", 1203277b024eSKalle Valo resp->result, conditions, 1204277b024eSKalle Valo phs_cfg->params.hs_config.gpio, 1205277b024eSKalle Valo phs_cfg->params.hs_config.gap); 1206277b024eSKalle Valo } 1207277b024eSKalle Valo if (conditions != HS_CFG_CANCEL) { 1208fc3a2fcaSGanapathi Bhat set_bit(MWIFIEX_IS_HS_CONFIGURED, &adapter->work_flags); 1209277b024eSKalle Valo if (adapter->iface_type == MWIFIEX_USB) 1210277b024eSKalle Valo mwifiex_hs_activated_event(priv, true); 1211277b024eSKalle Valo } else { 1212fc3a2fcaSGanapathi Bhat clear_bit(MWIFIEX_IS_HS_CONFIGURED, &adapter->work_flags); 1213277b024eSKalle Valo if (adapter->hs_activated) 1214277b024eSKalle Valo mwifiex_hs_activated_event(priv, false); 1215277b024eSKalle Valo } 1216277b024eSKalle Valo 1217277b024eSKalle Valo return 0; 1218277b024eSKalle Valo } 1219277b024eSKalle Valo 1220277b024eSKalle Valo /* 1221277b024eSKalle Valo * This function wakes up the adapter and generates a Host Sleep 1222277b024eSKalle Valo * cancel event on receiving the power up interrupt. 1223277b024eSKalle Valo */ 1224277b024eSKalle Valo void 1225277b024eSKalle Valo mwifiex_process_hs_config(struct mwifiex_adapter *adapter) 1226277b024eSKalle Valo { 1227277b024eSKalle Valo mwifiex_dbg(adapter, INFO, 1228277b024eSKalle Valo "info: %s: auto cancelling host sleep\t" 1229277b024eSKalle Valo "since there is interrupt from the firmware\n", 1230277b024eSKalle Valo __func__); 1231277b024eSKalle Valo 1232277b024eSKalle Valo adapter->if_ops.wakeup(adapter); 1233*5943a864SJonas Dreßler 1234*5943a864SJonas Dreßler if (adapter->hs_activated_manually) { 1235*5943a864SJonas Dreßler mwifiex_cancel_hs(mwifiex_get_priv (adapter, MWIFIEX_BSS_ROLE_ANY), 1236*5943a864SJonas Dreßler MWIFIEX_ASYNC_CMD); 1237*5943a864SJonas Dreßler adapter->hs_activated_manually = false; 1238*5943a864SJonas Dreßler } 1239*5943a864SJonas Dreßler 1240277b024eSKalle Valo adapter->hs_activated = false; 1241fc3a2fcaSGanapathi Bhat clear_bit(MWIFIEX_IS_HS_CONFIGURED, &adapter->work_flags); 1242fc3a2fcaSGanapathi Bhat clear_bit(MWIFIEX_IS_SUSPENDED, &adapter->work_flags); 1243277b024eSKalle Valo mwifiex_hs_activated_event(mwifiex_get_priv(adapter, 1244277b024eSKalle Valo MWIFIEX_BSS_ROLE_ANY), 1245277b024eSKalle Valo false); 1246277b024eSKalle Valo } 1247277b024eSKalle Valo EXPORT_SYMBOL_GPL(mwifiex_process_hs_config); 1248277b024eSKalle Valo 1249277b024eSKalle Valo /* 1250277b024eSKalle Valo * This function handles the command response of a sleep confirm command. 1251277b024eSKalle Valo * 1252277b024eSKalle Valo * The function sets the card state to SLEEP if the response indicates success. 1253277b024eSKalle Valo */ 1254277b024eSKalle Valo void 1255277b024eSKalle Valo mwifiex_process_sleep_confirm_resp(struct mwifiex_adapter *adapter, 1256277b024eSKalle Valo u8 *pbuf, u32 upld_len) 1257277b024eSKalle Valo { 1258277b024eSKalle Valo struct host_cmd_ds_command *cmd = (struct host_cmd_ds_command *) pbuf; 1259277b024eSKalle Valo struct mwifiex_private *priv = 1260277b024eSKalle Valo mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); 1261277b024eSKalle Valo uint16_t result = le16_to_cpu(cmd->result); 1262277b024eSKalle Valo uint16_t command = le16_to_cpu(cmd->command); 1263277b024eSKalle Valo uint16_t seq_num = le16_to_cpu(cmd->seq_num); 1264277b024eSKalle Valo 1265277b024eSKalle Valo if (!upld_len) { 1266277b024eSKalle Valo mwifiex_dbg(adapter, ERROR, 1267277b024eSKalle Valo "%s: cmd size is 0\n", __func__); 1268277b024eSKalle Valo return; 1269277b024eSKalle Valo } 1270277b024eSKalle Valo 1271277b024eSKalle Valo mwifiex_dbg(adapter, CMD, 1272277b024eSKalle Valo "cmd: CMD_RESP: 0x%x, result %d, len %d, seqno 0x%x\n", 1273277b024eSKalle Valo command, result, le16_to_cpu(cmd->size), seq_num); 1274277b024eSKalle Valo 1275277b024eSKalle Valo /* Get BSS number and corresponding priv */ 1276277b024eSKalle Valo priv = mwifiex_get_priv_by_id(adapter, HostCmd_GET_BSS_NO(seq_num), 1277277b024eSKalle Valo HostCmd_GET_BSS_TYPE(seq_num)); 1278277b024eSKalle Valo if (!priv) 1279277b024eSKalle Valo priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); 1280277b024eSKalle Valo 1281277b024eSKalle Valo /* Update sequence number */ 1282277b024eSKalle Valo seq_num = HostCmd_GET_SEQ_NO(seq_num); 1283277b024eSKalle Valo /* Clear RET_BIT from HostCmd */ 1284277b024eSKalle Valo command &= HostCmd_CMD_ID_MASK; 1285277b024eSKalle Valo 1286277b024eSKalle Valo if (command != HostCmd_CMD_802_11_PS_MODE_ENH) { 1287277b024eSKalle Valo mwifiex_dbg(adapter, ERROR, 1288277b024eSKalle Valo "%s: rcvd unexpected resp for cmd %#x, result = %x\n", 1289277b024eSKalle Valo __func__, command, result); 1290277b024eSKalle Valo return; 1291277b024eSKalle Valo } 1292277b024eSKalle Valo 1293277b024eSKalle Valo if (result) { 1294277b024eSKalle Valo mwifiex_dbg(adapter, ERROR, 1295277b024eSKalle Valo "%s: sleep confirm cmd failed\n", 1296277b024eSKalle Valo __func__); 1297277b024eSKalle Valo adapter->pm_wakeup_card_req = false; 1298277b024eSKalle Valo adapter->ps_state = PS_STATE_AWAKE; 1299277b024eSKalle Valo return; 1300277b024eSKalle Valo } 1301277b024eSKalle Valo adapter->pm_wakeup_card_req = true; 1302fc3a2fcaSGanapathi Bhat if (test_bit(MWIFIEX_IS_HS_CONFIGURED, &adapter->work_flags)) 1303277b024eSKalle Valo mwifiex_hs_activated_event(mwifiex_get_priv 1304277b024eSKalle Valo (adapter, MWIFIEX_BSS_ROLE_ANY), 1305277b024eSKalle Valo true); 1306277b024eSKalle Valo adapter->ps_state = PS_STATE_SLEEP; 1307277b024eSKalle Valo cmd->command = cpu_to_le16(command); 1308277b024eSKalle Valo cmd->seq_num = cpu_to_le16(seq_num); 1309277b024eSKalle Valo } 1310277b024eSKalle Valo EXPORT_SYMBOL_GPL(mwifiex_process_sleep_confirm_resp); 1311277b024eSKalle Valo 1312277b024eSKalle Valo /* 1313277b024eSKalle Valo * This function prepares an enhanced power mode command. 1314277b024eSKalle Valo * 1315277b024eSKalle Valo * This function can be used to disable power save or to configure 1316277b024eSKalle Valo * power save with auto PS or STA PS or auto deep sleep. 1317277b024eSKalle Valo * 1318277b024eSKalle Valo * Preparation includes - 1319277b024eSKalle Valo * - Setting command ID, action and proper size 1320277b024eSKalle Valo * - Setting Power Save bitmap, PS parameters TLV, PS mode TLV, 1321277b024eSKalle Valo * auto deep sleep TLV (as required) 1322277b024eSKalle Valo * - Ensuring correct endian-ness 1323277b024eSKalle Valo */ 1324277b024eSKalle Valo int mwifiex_cmd_enh_power_mode(struct mwifiex_private *priv, 1325277b024eSKalle Valo struct host_cmd_ds_command *cmd, 1326277b024eSKalle Valo u16 cmd_action, uint16_t ps_bitmap, 1327277b024eSKalle Valo struct mwifiex_ds_auto_ds *auto_ds) 1328277b024eSKalle Valo { 1329277b024eSKalle Valo struct host_cmd_ds_802_11_ps_mode_enh *psmode_enh = 1330277b024eSKalle Valo &cmd->params.psmode_enh; 1331277b024eSKalle Valo u8 *tlv; 1332277b024eSKalle Valo u16 cmd_size = 0; 1333277b024eSKalle Valo 1334277b024eSKalle Valo cmd->command = cpu_to_le16(HostCmd_CMD_802_11_PS_MODE_ENH); 1335277b024eSKalle Valo if (cmd_action == DIS_AUTO_PS) { 1336277b024eSKalle Valo psmode_enh->action = cpu_to_le16(DIS_AUTO_PS); 1337277b024eSKalle Valo psmode_enh->params.ps_bitmap = cpu_to_le16(ps_bitmap); 1338277b024eSKalle Valo cmd->size = cpu_to_le16(S_DS_GEN + sizeof(psmode_enh->action) + 1339277b024eSKalle Valo sizeof(psmode_enh->params.ps_bitmap)); 1340277b024eSKalle Valo } else if (cmd_action == GET_PS) { 1341277b024eSKalle Valo psmode_enh->action = cpu_to_le16(GET_PS); 1342277b024eSKalle Valo psmode_enh->params.ps_bitmap = cpu_to_le16(ps_bitmap); 1343277b024eSKalle Valo cmd->size = cpu_to_le16(S_DS_GEN + sizeof(psmode_enh->action) + 1344277b024eSKalle Valo sizeof(psmode_enh->params.ps_bitmap)); 1345277b024eSKalle Valo } else if (cmd_action == EN_AUTO_PS) { 1346277b024eSKalle Valo psmode_enh->action = cpu_to_le16(EN_AUTO_PS); 1347277b024eSKalle Valo psmode_enh->params.ps_bitmap = cpu_to_le16(ps_bitmap); 1348277b024eSKalle Valo cmd_size = S_DS_GEN + sizeof(psmode_enh->action) + 1349277b024eSKalle Valo sizeof(psmode_enh->params.ps_bitmap); 1350277b024eSKalle Valo tlv = (u8 *) cmd + cmd_size; 1351277b024eSKalle Valo if (ps_bitmap & BITMAP_STA_PS) { 1352277b024eSKalle Valo struct mwifiex_adapter *adapter = priv->adapter; 1353277b024eSKalle Valo struct mwifiex_ie_types_ps_param *ps_tlv = 1354277b024eSKalle Valo (struct mwifiex_ie_types_ps_param *) tlv; 1355277b024eSKalle Valo struct mwifiex_ps_param *ps_mode = &ps_tlv->param; 1356277b024eSKalle Valo ps_tlv->header.type = cpu_to_le16(TLV_TYPE_PS_PARAM); 1357277b024eSKalle Valo ps_tlv->header.len = cpu_to_le16(sizeof(*ps_tlv) - 1358277b024eSKalle Valo sizeof(struct mwifiex_ie_types_header)); 1359277b024eSKalle Valo cmd_size += sizeof(*ps_tlv); 1360277b024eSKalle Valo tlv += sizeof(*ps_tlv); 1361277b024eSKalle Valo mwifiex_dbg(priv->adapter, CMD, 1362277b024eSKalle Valo "cmd: PS Command: Enter PS\n"); 1363277b024eSKalle Valo ps_mode->null_pkt_interval = 1364277b024eSKalle Valo cpu_to_le16(adapter->null_pkt_interval); 1365277b024eSKalle Valo ps_mode->multiple_dtims = 1366277b024eSKalle Valo cpu_to_le16(adapter->multiple_dtim); 1367277b024eSKalle Valo ps_mode->bcn_miss_timeout = 1368277b024eSKalle Valo cpu_to_le16(adapter->bcn_miss_time_out); 1369277b024eSKalle Valo ps_mode->local_listen_interval = 1370277b024eSKalle Valo cpu_to_le16(adapter->local_listen_interval); 1371277b024eSKalle Valo ps_mode->adhoc_wake_period = 1372277b024eSKalle Valo cpu_to_le16(adapter->adhoc_awake_period); 1373277b024eSKalle Valo ps_mode->delay_to_ps = 1374277b024eSKalle Valo cpu_to_le16(adapter->delay_to_ps); 1375277b024eSKalle Valo ps_mode->mode = cpu_to_le16(adapter->enhanced_ps_mode); 1376277b024eSKalle Valo 1377277b024eSKalle Valo } 1378277b024eSKalle Valo if (ps_bitmap & BITMAP_AUTO_DS) { 1379277b024eSKalle Valo struct mwifiex_ie_types_auto_ds_param *auto_ds_tlv = 1380277b024eSKalle Valo (struct mwifiex_ie_types_auto_ds_param *) tlv; 1381277b024eSKalle Valo u16 idletime = 0; 1382277b024eSKalle Valo 1383277b024eSKalle Valo auto_ds_tlv->header.type = 1384277b024eSKalle Valo cpu_to_le16(TLV_TYPE_AUTO_DS_PARAM); 1385277b024eSKalle Valo auto_ds_tlv->header.len = 1386277b024eSKalle Valo cpu_to_le16(sizeof(*auto_ds_tlv) - 1387277b024eSKalle Valo sizeof(struct mwifiex_ie_types_header)); 1388277b024eSKalle Valo cmd_size += sizeof(*auto_ds_tlv); 1389277b024eSKalle Valo tlv += sizeof(*auto_ds_tlv); 1390277b024eSKalle Valo if (auto_ds) 1391277b024eSKalle Valo idletime = auto_ds->idle_time; 1392277b024eSKalle Valo mwifiex_dbg(priv->adapter, CMD, 1393277b024eSKalle Valo "cmd: PS Command: Enter Auto Deep Sleep\n"); 1394277b024eSKalle Valo auto_ds_tlv->deep_sleep_timeout = cpu_to_le16(idletime); 1395277b024eSKalle Valo } 1396277b024eSKalle Valo cmd->size = cpu_to_le16(cmd_size); 1397277b024eSKalle Valo } 1398277b024eSKalle Valo return 0; 1399277b024eSKalle Valo } 1400277b024eSKalle Valo 1401277b024eSKalle Valo /* 1402277b024eSKalle Valo * This function handles the command response of an enhanced power mode 1403277b024eSKalle Valo * command. 1404277b024eSKalle Valo * 1405277b024eSKalle Valo * Handling includes changing the header fields into CPU format 1406277b024eSKalle Valo * and setting the current enhanced power mode in driver. 1407277b024eSKalle Valo */ 1408277b024eSKalle Valo int mwifiex_ret_enh_power_mode(struct mwifiex_private *priv, 1409277b024eSKalle Valo struct host_cmd_ds_command *resp, 1410277b024eSKalle Valo struct mwifiex_ds_pm_cfg *pm_cfg) 1411277b024eSKalle Valo { 1412277b024eSKalle Valo struct mwifiex_adapter *adapter = priv->adapter; 1413277b024eSKalle Valo struct host_cmd_ds_802_11_ps_mode_enh *ps_mode = 1414277b024eSKalle Valo &resp->params.psmode_enh; 1415277b024eSKalle Valo uint16_t action = le16_to_cpu(ps_mode->action); 1416277b024eSKalle Valo uint16_t ps_bitmap = le16_to_cpu(ps_mode->params.ps_bitmap); 1417277b024eSKalle Valo uint16_t auto_ps_bitmap = 1418277b024eSKalle Valo le16_to_cpu(ps_mode->params.ps_bitmap); 1419277b024eSKalle Valo 1420277b024eSKalle Valo mwifiex_dbg(adapter, INFO, 1421277b024eSKalle Valo "info: %s: PS_MODE cmd reply result=%#x action=%#X\n", 1422277b024eSKalle Valo __func__, resp->result, action); 1423277b024eSKalle Valo if (action == EN_AUTO_PS) { 1424277b024eSKalle Valo if (auto_ps_bitmap & BITMAP_AUTO_DS) { 1425277b024eSKalle Valo mwifiex_dbg(adapter, CMD, 1426277b024eSKalle Valo "cmd: Enabled auto deep sleep\n"); 1427277b024eSKalle Valo priv->adapter->is_deep_sleep = true; 1428277b024eSKalle Valo } 1429277b024eSKalle Valo if (auto_ps_bitmap & BITMAP_STA_PS) { 1430277b024eSKalle Valo mwifiex_dbg(adapter, CMD, 1431277b024eSKalle Valo "cmd: Enabled STA power save\n"); 1432277b024eSKalle Valo if (adapter->sleep_period.period) 1433277b024eSKalle Valo mwifiex_dbg(adapter, CMD, 1434277b024eSKalle Valo "cmd: set to uapsd/pps mode\n"); 1435277b024eSKalle Valo } 1436277b024eSKalle Valo } else if (action == DIS_AUTO_PS) { 1437277b024eSKalle Valo if (ps_bitmap & BITMAP_AUTO_DS) { 1438277b024eSKalle Valo priv->adapter->is_deep_sleep = false; 1439277b024eSKalle Valo mwifiex_dbg(adapter, CMD, 1440277b024eSKalle Valo "cmd: Disabled auto deep sleep\n"); 1441277b024eSKalle Valo } 1442277b024eSKalle Valo if (ps_bitmap & BITMAP_STA_PS) { 1443277b024eSKalle Valo mwifiex_dbg(adapter, CMD, 1444277b024eSKalle Valo "cmd: Disabled STA power save\n"); 1445277b024eSKalle Valo if (adapter->sleep_period.period) { 1446277b024eSKalle Valo adapter->delay_null_pkt = false; 1447277b024eSKalle Valo adapter->tx_lock_flag = false; 1448277b024eSKalle Valo adapter->pps_uapsd_mode = false; 1449277b024eSKalle Valo } 1450277b024eSKalle Valo } 1451277b024eSKalle Valo } else if (action == GET_PS) { 1452277b024eSKalle Valo if (ps_bitmap & BITMAP_STA_PS) 1453277b024eSKalle Valo adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_PSP; 1454277b024eSKalle Valo else 1455277b024eSKalle Valo adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_CAM; 1456277b024eSKalle Valo 1457277b024eSKalle Valo mwifiex_dbg(adapter, CMD, 1458277b024eSKalle Valo "cmd: ps_bitmap=%#x\n", ps_bitmap); 1459277b024eSKalle Valo 1460277b024eSKalle Valo if (pm_cfg) { 1461277b024eSKalle Valo /* This section is for get power save mode */ 1462277b024eSKalle Valo if (ps_bitmap & BITMAP_STA_PS) 1463277b024eSKalle Valo pm_cfg->param.ps_mode = 1; 1464277b024eSKalle Valo else 1465277b024eSKalle Valo pm_cfg->param.ps_mode = 0; 1466277b024eSKalle Valo } 1467277b024eSKalle Valo } 1468277b024eSKalle Valo return 0; 1469277b024eSKalle Valo } 1470277b024eSKalle Valo 1471277b024eSKalle Valo /* 1472277b024eSKalle Valo * This function prepares command to get hardware specifications. 1473277b024eSKalle Valo * 1474277b024eSKalle Valo * Preparation includes - 1475277b024eSKalle Valo * - Setting command ID, action and proper size 1476277b024eSKalle Valo * - Setting permanent address parameter 1477277b024eSKalle Valo * - Ensuring correct endian-ness 1478277b024eSKalle Valo */ 1479277b024eSKalle Valo int mwifiex_cmd_get_hw_spec(struct mwifiex_private *priv, 1480277b024eSKalle Valo struct host_cmd_ds_command *cmd) 1481277b024eSKalle Valo { 1482277b024eSKalle Valo struct host_cmd_ds_get_hw_spec *hw_spec = &cmd->params.hw_spec; 1483277b024eSKalle Valo 1484277b024eSKalle Valo cmd->command = cpu_to_le16(HostCmd_CMD_GET_HW_SPEC); 1485277b024eSKalle Valo cmd->size = 1486277b024eSKalle Valo cpu_to_le16(sizeof(struct host_cmd_ds_get_hw_spec) + S_DS_GEN); 1487277b024eSKalle Valo memcpy(hw_spec->permanent_addr, priv->curr_addr, ETH_ALEN); 1488277b024eSKalle Valo 1489277b024eSKalle Valo return 0; 1490277b024eSKalle Valo } 1491277b024eSKalle Valo 1492277b024eSKalle Valo /* 1493277b024eSKalle Valo * This function handles the command response of get hardware 1494277b024eSKalle Valo * specifications. 1495277b024eSKalle Valo * 1496277b024eSKalle Valo * Handling includes changing the header fields into CPU format 1497277b024eSKalle Valo * and saving/updating the following parameters in driver - 1498277b024eSKalle Valo * - Firmware capability information 1499277b024eSKalle Valo * - Firmware band settings 1500277b024eSKalle Valo * - Ad-hoc start band and channel 1501277b024eSKalle Valo * - Ad-hoc 11n activation status 1502277b024eSKalle Valo * - Firmware release number 1503277b024eSKalle Valo * - Number of antennas 1504277b024eSKalle Valo * - Hardware address 1505277b024eSKalle Valo * - Hardware interface version 1506277b024eSKalle Valo * - Firmware version 1507277b024eSKalle Valo * - Region code 1508277b024eSKalle Valo * - 11n capabilities 1509277b024eSKalle Valo * - MCS support fields 1510277b024eSKalle Valo * - MP end port 1511277b024eSKalle Valo */ 1512277b024eSKalle Valo int mwifiex_ret_get_hw_spec(struct mwifiex_private *priv, 1513277b024eSKalle Valo struct host_cmd_ds_command *resp) 1514277b024eSKalle Valo { 1515277b024eSKalle Valo struct host_cmd_ds_get_hw_spec *hw_spec = &resp->params.hw_spec; 1516277b024eSKalle Valo struct mwifiex_adapter *adapter = priv->adapter; 1517277b024eSKalle Valo struct mwifiex_ie_types_header *tlv; 1518277b024eSKalle Valo struct hw_spec_api_rev *api_rev; 1519982d7287SPali Rohár struct hw_spec_max_conn *max_conn; 1520277b024eSKalle Valo u16 resp_size, api_id; 1521277b024eSKalle Valo int i, left_len, parsed_len = 0; 1522277b024eSKalle Valo 1523277b024eSKalle Valo adapter->fw_cap_info = le32_to_cpu(hw_spec->fw_cap_info); 1524277b024eSKalle Valo 1525277b024eSKalle Valo if (IS_SUPPORT_MULTI_BANDS(adapter)) 1526277b024eSKalle Valo adapter->fw_bands = (u8) GET_FW_DEFAULT_BANDS(adapter); 1527277b024eSKalle Valo else 1528277b024eSKalle Valo adapter->fw_bands = BAND_B; 1529277b024eSKalle Valo 1530277b024eSKalle Valo adapter->config_bands = adapter->fw_bands; 1531277b024eSKalle Valo 1532277b024eSKalle Valo if (adapter->fw_bands & BAND_A) { 1533277b024eSKalle Valo if (adapter->fw_bands & BAND_GN) { 1534277b024eSKalle Valo adapter->config_bands |= BAND_AN; 1535277b024eSKalle Valo adapter->fw_bands |= BAND_AN; 1536277b024eSKalle Valo } 1537277b024eSKalle Valo if (adapter->fw_bands & BAND_AN) { 1538277b024eSKalle Valo adapter->adhoc_start_band = BAND_A | BAND_AN; 1539277b024eSKalle Valo adapter->adhoc_11n_enabled = true; 1540277b024eSKalle Valo } else { 1541277b024eSKalle Valo adapter->adhoc_start_band = BAND_A; 1542277b024eSKalle Valo } 1543277b024eSKalle Valo priv->adhoc_channel = DEFAULT_AD_HOC_CHANNEL_A; 1544277b024eSKalle Valo } else if (adapter->fw_bands & BAND_GN) { 1545277b024eSKalle Valo adapter->adhoc_start_band = BAND_G | BAND_B | BAND_GN; 1546277b024eSKalle Valo priv->adhoc_channel = DEFAULT_AD_HOC_CHANNEL; 1547277b024eSKalle Valo adapter->adhoc_11n_enabled = true; 1548277b024eSKalle Valo } else if (adapter->fw_bands & BAND_G) { 1549277b024eSKalle Valo adapter->adhoc_start_band = BAND_G | BAND_B; 1550277b024eSKalle Valo priv->adhoc_channel = DEFAULT_AD_HOC_CHANNEL; 1551277b024eSKalle Valo } else if (adapter->fw_bands & BAND_B) { 1552277b024eSKalle Valo adapter->adhoc_start_band = BAND_B; 1553277b024eSKalle Valo priv->adhoc_channel = DEFAULT_AD_HOC_CHANNEL; 1554277b024eSKalle Valo } 1555277b024eSKalle Valo 1556277b024eSKalle Valo adapter->fw_release_number = le32_to_cpu(hw_spec->fw_release_number); 1557277b024eSKalle Valo adapter->fw_api_ver = (adapter->fw_release_number >> 16) & 0xff; 1558eaab43e5SXinming Hu adapter->number_of_antenna = 1559eaab43e5SXinming Hu le16_to_cpu(hw_spec->number_of_antenna) & 0xf; 1560277b024eSKalle Valo 1561277b024eSKalle Valo if (le32_to_cpu(hw_spec->dot_11ac_dev_cap)) { 1562277b024eSKalle Valo adapter->is_hw_11ac_capable = true; 1563277b024eSKalle Valo 1564277b024eSKalle Valo /* Copy 11AC cap */ 1565277b024eSKalle Valo adapter->hw_dot_11ac_dev_cap = 1566277b024eSKalle Valo le32_to_cpu(hw_spec->dot_11ac_dev_cap); 1567277b024eSKalle Valo adapter->usr_dot_11ac_dev_cap_bg = adapter->hw_dot_11ac_dev_cap 1568277b024eSKalle Valo & ~MWIFIEX_DEF_11AC_CAP_BF_RESET_MASK; 1569277b024eSKalle Valo adapter->usr_dot_11ac_dev_cap_a = adapter->hw_dot_11ac_dev_cap 1570277b024eSKalle Valo & ~MWIFIEX_DEF_11AC_CAP_BF_RESET_MASK; 1571277b024eSKalle Valo 1572277b024eSKalle Valo /* Copy 11AC mcs */ 1573277b024eSKalle Valo adapter->hw_dot_11ac_mcs_support = 1574277b024eSKalle Valo le32_to_cpu(hw_spec->dot_11ac_mcs_support); 1575277b024eSKalle Valo adapter->usr_dot_11ac_mcs_support = 1576277b024eSKalle Valo adapter->hw_dot_11ac_mcs_support; 1577277b024eSKalle Valo } else { 1578277b024eSKalle Valo adapter->is_hw_11ac_capable = false; 1579277b024eSKalle Valo } 1580277b024eSKalle Valo 1581277b024eSKalle Valo resp_size = le16_to_cpu(resp->size) - S_DS_GEN; 1582277b024eSKalle Valo if (resp_size > sizeof(struct host_cmd_ds_get_hw_spec)) { 1583277b024eSKalle Valo /* we have variable HW SPEC information */ 1584277b024eSKalle Valo left_len = resp_size - sizeof(struct host_cmd_ds_get_hw_spec); 1585277b024eSKalle Valo while (left_len > sizeof(struct mwifiex_ie_types_header)) { 1586277b024eSKalle Valo tlv = (void *)&hw_spec->tlvs + parsed_len; 1587277b024eSKalle Valo switch (le16_to_cpu(tlv->type)) { 1588277b024eSKalle Valo case TLV_TYPE_API_REV: 1589277b024eSKalle Valo api_rev = (struct hw_spec_api_rev *)tlv; 1590277b024eSKalle Valo api_id = le16_to_cpu(api_rev->api_id); 1591277b024eSKalle Valo switch (api_id) { 1592277b024eSKalle Valo case KEY_API_VER_ID: 1593277b024eSKalle Valo adapter->key_api_major_ver = 1594277b024eSKalle Valo api_rev->major_ver; 1595277b024eSKalle Valo adapter->key_api_minor_ver = 1596277b024eSKalle Valo api_rev->minor_ver; 1597277b024eSKalle Valo mwifiex_dbg(adapter, INFO, 1598277b024eSKalle Valo "key_api v%d.%d\n", 1599277b024eSKalle Valo adapter->key_api_major_ver, 1600277b024eSKalle Valo adapter->key_api_minor_ver); 1601277b024eSKalle Valo break; 1602277b024eSKalle Valo case FW_API_VER_ID: 1603277b024eSKalle Valo adapter->fw_api_ver = 1604277b024eSKalle Valo api_rev->major_ver; 1605277b024eSKalle Valo mwifiex_dbg(adapter, INFO, 160686cffb2cSPali Rohár "Firmware api version %d.%d\n", 160786cffb2cSPali Rohár adapter->fw_api_ver, 160886cffb2cSPali Rohár api_rev->minor_ver); 160986cffb2cSPali Rohár break; 161086cffb2cSPali Rohár case UAP_FW_API_VER_ID: 161186cffb2cSPali Rohár mwifiex_dbg(adapter, INFO, 161286cffb2cSPali Rohár "uAP api version %d.%d\n", 161386cffb2cSPali Rohár api_rev->major_ver, 161486cffb2cSPali Rohár api_rev->minor_ver); 161586cffb2cSPali Rohár break; 161686cffb2cSPali Rohár case CHANRPT_API_VER_ID: 161786cffb2cSPali Rohár mwifiex_dbg(adapter, INFO, 161886cffb2cSPali Rohár "channel report api version %d.%d\n", 161986cffb2cSPali Rohár api_rev->major_ver, 162086cffb2cSPali Rohár api_rev->minor_ver); 1621277b024eSKalle Valo break; 1622277b024eSKalle Valo default: 1623277b024eSKalle Valo mwifiex_dbg(adapter, FATAL, 1624277b024eSKalle Valo "Unknown api_id: %d\n", 1625277b024eSKalle Valo api_id); 1626277b024eSKalle Valo break; 1627277b024eSKalle Valo } 1628277b024eSKalle Valo break; 1629982d7287SPali Rohár case TLV_TYPE_MAX_CONN: 1630982d7287SPali Rohár max_conn = (struct hw_spec_max_conn *)tlv; 1631982d7287SPali Rohár adapter->max_p2p_conn = max_conn->max_p2p_conn; 1632982d7287SPali Rohár adapter->max_sta_conn = max_conn->max_sta_conn; 1633982d7287SPali Rohár mwifiex_dbg(adapter, INFO, 1634982d7287SPali Rohár "max p2p connections: %u\n", 1635982d7287SPali Rohár adapter->max_p2p_conn); 1636982d7287SPali Rohár mwifiex_dbg(adapter, INFO, 1637982d7287SPali Rohár "max sta connections: %u\n", 1638982d7287SPali Rohár adapter->max_sta_conn); 1639982d7287SPali Rohár break; 1640277b024eSKalle Valo default: 1641277b024eSKalle Valo mwifiex_dbg(adapter, FATAL, 1642277b024eSKalle Valo "Unknown GET_HW_SPEC TLV type: %#x\n", 1643277b024eSKalle Valo le16_to_cpu(tlv->type)); 1644277b024eSKalle Valo break; 1645277b024eSKalle Valo } 1646277b024eSKalle Valo parsed_len += le16_to_cpu(tlv->len) + 1647277b024eSKalle Valo sizeof(struct mwifiex_ie_types_header); 1648277b024eSKalle Valo left_len -= le16_to_cpu(tlv->len) + 1649277b024eSKalle Valo sizeof(struct mwifiex_ie_types_header); 1650277b024eSKalle Valo } 1651277b024eSKalle Valo } 1652277b024eSKalle Valo 1653277b024eSKalle Valo mwifiex_dbg(adapter, INFO, 1654277b024eSKalle Valo "info: GET_HW_SPEC: fw_release_number- %#x\n", 1655277b024eSKalle Valo adapter->fw_release_number); 1656277b024eSKalle Valo mwifiex_dbg(adapter, INFO, 1657277b024eSKalle Valo "info: GET_HW_SPEC: permanent addr: %pM\n", 1658277b024eSKalle Valo hw_spec->permanent_addr); 1659277b024eSKalle Valo mwifiex_dbg(adapter, INFO, 1660277b024eSKalle Valo "info: GET_HW_SPEC: hw_if_version=%#x version=%#x\n", 1661277b024eSKalle Valo le16_to_cpu(hw_spec->hw_if_version), 1662277b024eSKalle Valo le16_to_cpu(hw_spec->version)); 1663277b024eSKalle Valo 1664277b024eSKalle Valo ether_addr_copy(priv->adapter->perm_addr, hw_spec->permanent_addr); 1665277b024eSKalle Valo adapter->region_code = le16_to_cpu(hw_spec->region_code); 1666277b024eSKalle Valo 1667277b024eSKalle Valo for (i = 0; i < MWIFIEX_MAX_REGION_CODE; i++) 1668277b024eSKalle Valo /* Use the region code to search for the index */ 1669277b024eSKalle Valo if (adapter->region_code == region_code_index[i]) 1670277b024eSKalle Valo break; 1671277b024eSKalle Valo 167219b0a710SAmitkumar Karwar /* If it's unidentified region code, use the default (world) */ 1673277b024eSKalle Valo if (i >= MWIFIEX_MAX_REGION_CODE) { 167419b0a710SAmitkumar Karwar adapter->region_code = 0x00; 1675277b024eSKalle Valo mwifiex_dbg(adapter, WARN, 1676277b024eSKalle Valo "cmd: unknown region code, use default (USA)\n"); 1677277b024eSKalle Valo } 1678277b024eSKalle Valo 1679277b024eSKalle Valo adapter->hw_dot_11n_dev_cap = le32_to_cpu(hw_spec->dot_11n_dev_cap); 1680277b024eSKalle Valo adapter->hw_dev_mcs_support = hw_spec->dev_mcs_support; 1681277b024eSKalle Valo adapter->user_dev_mcs_support = adapter->hw_dev_mcs_support; 1682277b024eSKalle Valo 1683277b024eSKalle Valo if (adapter->if_ops.update_mp_end_port) 1684277b024eSKalle Valo adapter->if_ops.update_mp_end_port(adapter, 1685277b024eSKalle Valo le16_to_cpu(hw_spec->mp_end_port)); 1686277b024eSKalle Valo 1687277b024eSKalle Valo if (adapter->fw_api_ver == MWIFIEX_FW_V15) 1688277b024eSKalle Valo adapter->scan_chan_gap_enabled = true; 1689277b024eSKalle Valo 1690277b024eSKalle Valo return 0; 1691277b024eSKalle Valo } 16928de00f1bSchunfan chen 16938de00f1bSchunfan chen /* This function handles the command response of hs wakeup reason 16948de00f1bSchunfan chen * command. 16958de00f1bSchunfan chen */ 16968de00f1bSchunfan chen int mwifiex_ret_wakeup_reason(struct mwifiex_private *priv, 16978de00f1bSchunfan chen struct host_cmd_ds_command *resp, 16988de00f1bSchunfan chen struct host_cmd_ds_wakeup_reason *wakeup_reason) 16998de00f1bSchunfan chen { 17008de00f1bSchunfan chen wakeup_reason->wakeup_reason = 17018de00f1bSchunfan chen resp->params.hs_wakeup_reason.wakeup_reason; 17028de00f1bSchunfan chen 17038de00f1bSchunfan chen return 0; 17048de00f1bSchunfan chen } 1705