--- zzzz-none-000/linux-3.10.107/drivers/net/wireless/mwifiex/debugfs.c 2017-06-27 09:49:32.000000000 +0000 +++ scorpion-7490-727/linux-3.10.107/drivers/net/wireless/mwifiex/debugfs.c 2021-02-04 17:41:59.000000000 +0000 @@ -1,7 +1,7 @@ /* * Marvell Wireless LAN device driver: debugfs * - * Copyright (C) 2011, Marvell International Ltd. + * Copyright (C) 2011-2014, Marvell International Ltd. * * This software file (the "File") is distributed by Marvell International * Ltd. under the terms of the GNU General Public License Version 2, June 1991 @@ -39,111 +39,6 @@ "P2P_DEVICE", }; -/* size/addr for mwifiex_debug_info */ -#define item_size(n) (FIELD_SIZEOF(struct mwifiex_debug_info, n)) -#define item_addr(n) (offsetof(struct mwifiex_debug_info, n)) - -/* size/addr for struct mwifiex_adapter */ -#define adapter_item_size(n) (FIELD_SIZEOF(struct mwifiex_adapter, n)) -#define adapter_item_addr(n) (offsetof(struct mwifiex_adapter, n)) - -struct mwifiex_debug_data { - char name[32]; /* variable/array name */ - u32 size; /* size of the variable/array */ - size_t addr; /* address of the variable/array */ - int num; /* number of variables in an array */ -}; - -static struct mwifiex_debug_data items[] = { - {"int_counter", item_size(int_counter), - item_addr(int_counter), 1}, - {"wmm_ac_vo", item_size(packets_out[WMM_AC_VO]), - item_addr(packets_out[WMM_AC_VO]), 1}, - {"wmm_ac_vi", item_size(packets_out[WMM_AC_VI]), - item_addr(packets_out[WMM_AC_VI]), 1}, - {"wmm_ac_be", item_size(packets_out[WMM_AC_BE]), - item_addr(packets_out[WMM_AC_BE]), 1}, - {"wmm_ac_bk", item_size(packets_out[WMM_AC_BK]), - item_addr(packets_out[WMM_AC_BK]), 1}, - {"tx_buf_size", item_size(tx_buf_size), - item_addr(tx_buf_size), 1}, - {"curr_tx_buf_size", item_size(curr_tx_buf_size), - item_addr(curr_tx_buf_size), 1}, - {"ps_mode", item_size(ps_mode), - item_addr(ps_mode), 1}, - {"ps_state", item_size(ps_state), - item_addr(ps_state), 1}, - {"is_deep_sleep", item_size(is_deep_sleep), - item_addr(is_deep_sleep), 1}, - {"wakeup_dev_req", item_size(pm_wakeup_card_req), - item_addr(pm_wakeup_card_req), 1}, - {"wakeup_tries", item_size(pm_wakeup_fw_try), - item_addr(pm_wakeup_fw_try), 1}, - {"hs_configured", item_size(is_hs_configured), - item_addr(is_hs_configured), 1}, - {"hs_activated", item_size(hs_activated), - item_addr(hs_activated), 1}, - {"num_tx_timeout", item_size(num_tx_timeout), - item_addr(num_tx_timeout), 1}, - {"num_cmd_timeout", item_size(num_cmd_timeout), - item_addr(num_cmd_timeout), 1}, - {"timeout_cmd_id", item_size(timeout_cmd_id), - item_addr(timeout_cmd_id), 1}, - {"timeout_cmd_act", item_size(timeout_cmd_act), - item_addr(timeout_cmd_act), 1}, - {"last_cmd_id", item_size(last_cmd_id), - item_addr(last_cmd_id), DBG_CMD_NUM}, - {"last_cmd_act", item_size(last_cmd_act), - item_addr(last_cmd_act), DBG_CMD_NUM}, - {"last_cmd_index", item_size(last_cmd_index), - item_addr(last_cmd_index), 1}, - {"last_cmd_resp_id", item_size(last_cmd_resp_id), - item_addr(last_cmd_resp_id), DBG_CMD_NUM}, - {"last_cmd_resp_index", item_size(last_cmd_resp_index), - item_addr(last_cmd_resp_index), 1}, - {"last_event", item_size(last_event), - item_addr(last_event), DBG_CMD_NUM}, - {"last_event_index", item_size(last_event_index), - item_addr(last_event_index), 1}, - {"num_cmd_h2c_fail", item_size(num_cmd_host_to_card_failure), - item_addr(num_cmd_host_to_card_failure), 1}, - {"num_cmd_sleep_cfm_fail", - item_size(num_cmd_sleep_cfm_host_to_card_failure), - item_addr(num_cmd_sleep_cfm_host_to_card_failure), 1}, - {"num_tx_h2c_fail", item_size(num_tx_host_to_card_failure), - item_addr(num_tx_host_to_card_failure), 1}, - {"num_evt_deauth", item_size(num_event_deauth), - item_addr(num_event_deauth), 1}, - {"num_evt_disassoc", item_size(num_event_disassoc), - item_addr(num_event_disassoc), 1}, - {"num_evt_link_lost", item_size(num_event_link_lost), - item_addr(num_event_link_lost), 1}, - {"num_cmd_deauth", item_size(num_cmd_deauth), - item_addr(num_cmd_deauth), 1}, - {"num_cmd_assoc_ok", item_size(num_cmd_assoc_success), - item_addr(num_cmd_assoc_success), 1}, - {"num_cmd_assoc_fail", item_size(num_cmd_assoc_failure), - item_addr(num_cmd_assoc_failure), 1}, - {"cmd_sent", item_size(cmd_sent), - item_addr(cmd_sent), 1}, - {"data_sent", item_size(data_sent), - item_addr(data_sent), 1}, - {"cmd_resp_received", item_size(cmd_resp_received), - item_addr(cmd_resp_received), 1}, - {"event_received", item_size(event_received), - item_addr(event_received), 1}, - - /* variables defined in struct mwifiex_adapter */ - {"cmd_pending", adapter_item_size(cmd_pending), - adapter_item_addr(cmd_pending), 1}, - {"tx_pending", adapter_item_size(tx_pending), - adapter_item_addr(tx_pending), 1}, - {"rx_pending", adapter_item_size(rx_pending), - adapter_item_addr(rx_pending), 1}, -}; - -static int num_of_items = ARRAY_SIZE(items); - /* * Proc info file read handler. * @@ -257,6 +152,29 @@ } /* + * Proc device dump read handler. + * + * This function is called when the 'device_dump' file is opened for + * reading. + * This function dumps driver information and firmware memory segments + * (ex. DTCM, ITCM, SQRAM etc.) for + * debugging. + */ +static ssize_t +mwifiex_device_dump_read(struct file *file, char __user *ubuf, + size_t count, loff_t *ppos) +{ + struct mwifiex_private *priv = file->private_data; + + if (!priv->adapter->if_ops.device_dump) + return -EIO; + + priv->adapter->if_ops.device_dump(priv->adapter); + + return 0; +} + +/* * Proc getlog file read handler. * * This function is called when the 'getlog' file is opened for reading @@ -274,6 +192,8 @@ * - Number of FCS errors * - Number of Tx frames * - WEP ICV error counts + * - Number of received beacons + * - Number of missed beacons */ static ssize_t mwifiex_getlog_read(struct file *file, char __user *ubuf, @@ -310,7 +230,9 @@ "wepicverrcnt-1 %u\n" "wepicverrcnt-2 %u\n" "wepicverrcnt-3 %u\n" - "wepicverrcnt-4 %u\n", + "wepicverrcnt-4 %u\n" + "bcn_rcv_cnt %u\n" + "bcn_miss_cnt %u\n", stats.mcast_tx_frame, stats.failed, stats.retry, @@ -326,7 +248,9 @@ stats.wep_icv_error[0], stats.wep_icv_error[1], stats.wep_icv_error[2], - stats.wep_icv_error[3]); + stats.wep_icv_error[3], + stats.bcn_rcv_cnt, + stats.bcn_miss_cnt); ret = simple_read_from_buffer(ubuf, count, ppos, (char *) page, @@ -337,6 +261,103 @@ return ret; } +/* Sysfs histogram file read handler. + * + * This function is called when the 'histogram' file is opened for reading + * It prints the following histogram information - + * - Number of histogram samples + * - Receive packet number of each rx_rate + * - Receive packet number of each snr + * - Receive packet number of each nosie_flr + * - Receive packet number of each signal streath + */ +static ssize_t +mwifiex_histogram_read(struct file *file, char __user *ubuf, + size_t count, loff_t *ppos) +{ + struct mwifiex_private *priv = + (struct mwifiex_private *)file->private_data; + ssize_t ret; + struct mwifiex_histogram_data *phist_data; + int i, value; + unsigned long page = get_zeroed_page(GFP_KERNEL); + char *p = (char *)page; + + if (!p) + return -ENOMEM; + + if (!priv || !priv->hist_data) + return -EFAULT; + phist_data = priv->hist_data; + + p += sprintf(p, "\n" + "total samples = %d\n", + atomic_read(&phist_data->num_samples)); + + p += sprintf(p, "rx rates (in Mbps): 0=1M 1=2M"); + p += sprintf(p, "2=5.5M 3=11M 4=6M 5=9M 6=12M\n"); + p += sprintf(p, "7=18M 8=24M 9=36M 10=48M 11=54M"); + p += sprintf(p, "12-27=MCS0-15(BW20) 28-43=MCS0-15(BW40)\n"); + + if (ISSUPP_11ACENABLED(priv->adapter->fw_cap_info)) { + p += sprintf(p, "44-53=MCS0-9(VHT:BW20)"); + p += sprintf(p, "54-63=MCS0-9(VHT:BW40)"); + p += sprintf(p, "64-73=MCS0-9(VHT:BW80)\n\n"); + } else { + p += sprintf(p, "\n"); + } + + for (i = 0; i < MWIFIEX_MAX_RX_RATES; i++) { + value = atomic_read(&phist_data->rx_rate[i]); + if (value) + p += sprintf(p, "rx_rate[%02d] = %d\n", i, value); + } + + if (ISSUPP_11ACENABLED(priv->adapter->fw_cap_info)) { + for (i = MWIFIEX_MAX_RX_RATES; i < MWIFIEX_MAX_AC_RX_RATES; + i++) { + value = atomic_read(&phist_data->rx_rate[i]); + if (value) + p += sprintf(p, "rx_rate[%02d] = %d\n", + i, value); + } + } + + for (i = 0; i < MWIFIEX_MAX_SNR; i++) { + value = atomic_read(&phist_data->snr[i]); + if (value) + p += sprintf(p, "snr[%02ddB] = %d\n", i, value); + } + for (i = 0; i < MWIFIEX_MAX_NOISE_FLR; i++) { + value = atomic_read(&phist_data->noise_flr[i]); + if (value) + p += sprintf(p, "noise_flr[-%02ddBm] = %d\n", + (int)(i-128), value); + } + for (i = 0; i < MWIFIEX_MAX_SIG_STRENGTH; i++) { + value = atomic_read(&phist_data->sig_str[i]); + if (value) + p += sprintf(p, "sig_strength[-%02ddBm] = %d\n", + i, value); + } + + ret = simple_read_from_buffer(ubuf, count, ppos, (char *)page, + (unsigned long)p - page); + + return ret; +} + +static ssize_t +mwifiex_histogram_write(struct file *file, const char __user *ubuf, + size_t count, loff_t *ppos) +{ + struct mwifiex_private *priv = (void *)file->private_data; + + if (priv && priv->hist_data) + mwifiex_hist_data_reset(priv); + return 0; +} + static struct mwifiex_debug_info info; /* @@ -392,13 +413,9 @@ { struct mwifiex_private *priv = (struct mwifiex_private *) file->private_data; - struct mwifiex_debug_data *d = &items[0]; unsigned long page = get_zeroed_page(GFP_KERNEL); char *p = (char *) page; ssize_t ret; - size_t size, addr; - long val; - int i, j; if (!p) return -ENOMEM; @@ -407,68 +424,7 @@ if (ret) goto free_and_exit; - for (i = 0; i < num_of_items; i++) { - p += sprintf(p, "%s=", d[i].name); - - size = d[i].size / d[i].num; - - if (i < (num_of_items - 3)) - addr = d[i].addr + (size_t) &info; - else /* The last 3 items are struct mwifiex_adapter variables */ - addr = d[i].addr + (size_t) priv->adapter; - - for (j = 0; j < d[i].num; j++) { - switch (size) { - case 1: - val = *((u8 *) addr); - break; - case 2: - val = *((u16 *) addr); - break; - case 4: - val = *((u32 *) addr); - break; - case 8: - val = *((long long *) addr); - break; - default: - val = -1; - break; - } - - p += sprintf(p, "%#lx ", val); - addr += size; - } - - p += sprintf(p, "\n"); - } - - if (info.tx_tbl_num) { - p += sprintf(p, "Tx BA stream table:\n"); - for (i = 0; i < info.tx_tbl_num; i++) - p += sprintf(p, "tid = %d, ra = %pM\n", - info.tx_tbl[i].tid, info.tx_tbl[i].ra); - } - - if (info.rx_tbl_num) { - p += sprintf(p, "Rx reorder table:\n"); - for (i = 0; i < info.rx_tbl_num; i++) { - p += sprintf(p, "tid = %d, ta = %pM, " - "start_win = %d, " - "win_size = %d, buffer: ", - info.rx_tbl[i].tid, - info.rx_tbl[i].ta, - info.rx_tbl[i].start_win, - info.rx_tbl[i].win_size); - - for (j = 0; j < info.rx_tbl[i].win_size; j++) - p += sprintf(p, "%c ", - info.rx_tbl[i].buffer[j] ? - '1' : '0'); - - p += sprintf(p, "\n"); - } - } + p += mwifiex_debug_info_to_buffer(priv, p, &info); ret = simple_read_from_buffer(ubuf, count, ppos, (char *) page, (unsigned long) p - page); @@ -493,7 +449,7 @@ { unsigned long addr = get_zeroed_page(GFP_KERNEL); char *buf = (char *) addr; - size_t buf_size = min(count, (size_t) (PAGE_SIZE - 1)); + size_t buf_size = min_t(size_t, count, PAGE_SIZE - 1); int ret; u32 reg_type = 0, reg_offset = 0, reg_value = UINT_MAX; @@ -579,6 +535,144 @@ return ret; } +/* Proc debug_mask file read handler. + * This function is called when the 'debug_mask' file is opened for reading + * This function can be used read driver debugging mask value. + */ +static ssize_t +mwifiex_debug_mask_read(struct file *file, char __user *ubuf, + size_t count, loff_t *ppos) +{ + struct mwifiex_private *priv = + (struct mwifiex_private *)file->private_data; + unsigned long page = get_zeroed_page(GFP_KERNEL); + char *buf = (char *)page; + size_t ret = 0; + int pos = 0; + + if (!buf) + return -ENOMEM; + + pos += snprintf(buf, PAGE_SIZE, "debug mask=0x%08x\n", + priv->adapter->debug_mask); + ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos); + + free_page(page); + return ret; +} + +/* Proc debug_mask file read handler. + * This function is called when the 'debug_mask' file is opened for reading + * This function can be used read driver debugging mask value. + */ +static ssize_t +mwifiex_debug_mask_write(struct file *file, const char __user *ubuf, + size_t count, loff_t *ppos) +{ + int ret; + unsigned long debug_mask; + struct mwifiex_private *priv = (void *)file->private_data; + unsigned long addr = get_zeroed_page(GFP_KERNEL); + char *buf = (void *)addr; + size_t buf_size = min(count, (size_t)(PAGE_SIZE - 1)); + + if (!buf) + return -ENOMEM; + + if (copy_from_user(buf, ubuf, buf_size)) { + ret = -EFAULT; + goto done; + } + + if (kstrtoul(buf, 0, &debug_mask)) { + ret = -EINVAL; + goto done; + } + + priv->adapter->debug_mask = debug_mask; + ret = count; +done: + free_page(addr); + return ret; +} + +/* Proc memrw file write handler. + * This function is called when the 'memrw' file is opened for writing + * This function can be used to write to a memory location. + */ +static ssize_t +mwifiex_memrw_write(struct file *file, const char __user *ubuf, size_t count, + loff_t *ppos) +{ + int ret; + char cmd; + struct mwifiex_ds_mem_rw mem_rw; + u16 cmd_action; + struct mwifiex_private *priv = (void *)file->private_data; + unsigned long addr = get_zeroed_page(GFP_KERNEL); + char *buf = (void *)addr; + size_t buf_size = min(count, (size_t)(PAGE_SIZE - 1)); + + if (!buf) + return -ENOMEM; + + if (copy_from_user(buf, ubuf, buf_size)) { + ret = -EFAULT; + goto done; + } + + ret = sscanf(buf, "%c %x %x", &cmd, &mem_rw.addr, &mem_rw.value); + if (ret != 3) { + ret = -EINVAL; + goto done; + } + + if ((cmd == 'r') || (cmd == 'R')) { + cmd_action = HostCmd_ACT_GEN_GET; + mem_rw.value = 0; + } else if ((cmd == 'w') || (cmd == 'W')) { + cmd_action = HostCmd_ACT_GEN_SET; + } else { + ret = -EINVAL; + goto done; + } + + memcpy(&priv->mem_rw, &mem_rw, sizeof(mem_rw)); + if (mwifiex_send_cmd(priv, HostCmd_CMD_MEM_ACCESS, cmd_action, 0, + &mem_rw, true)) + ret = -1; + else + ret = count; + +done: + free_page(addr); + return ret; +} + +/* Proc memrw file read handler. + * This function is called when the 'memrw' file is opened for reading + * This function can be used to read from a memory location. + */ +static ssize_t +mwifiex_memrw_read(struct file *file, char __user *ubuf, + size_t count, loff_t *ppos) +{ + struct mwifiex_private *priv = (void *)file->private_data; + unsigned long addr = get_zeroed_page(GFP_KERNEL); + char *buf = (char *)addr; + int ret, pos = 0; + + if (!buf) + return -ENOMEM; + + pos += snprintf(buf, PAGE_SIZE, "0x%x 0x%x\n", priv->mem_rw.addr, + priv->mem_rw.value); + ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos); + + free_page(addr); + return ret; +} + static u32 saved_offset = -1, saved_bytes = -1; /* @@ -594,7 +688,7 @@ { unsigned long addr = get_zeroed_page(GFP_KERNEL); char *buf = (char *) addr; - size_t buf_size = min(count, (size_t) (PAGE_SIZE - 1)); + size_t buf_size = min_t(size_t, count, PAGE_SIZE - 1); int ret = 0; int offset = -1, bytes = -1; @@ -669,6 +763,148 @@ return ret; } +/* Proc hscfg file write handler + * This function can be used to configure the host sleep parameters. + */ +static ssize_t +mwifiex_hscfg_write(struct file *file, const char __user *ubuf, + size_t count, loff_t *ppos) +{ + struct mwifiex_private *priv = (void *)file->private_data; + unsigned long addr = get_zeroed_page(GFP_KERNEL); + char *buf = (char *)addr; + size_t buf_size = min_t(size_t, count, PAGE_SIZE - 1); + int ret, arg_num; + struct mwifiex_ds_hs_cfg hscfg; + int conditions = HS_CFG_COND_DEF; + u32 gpio = HS_CFG_GPIO_DEF, gap = HS_CFG_GAP_DEF; + + if (!buf) + return -ENOMEM; + + if (copy_from_user(buf, ubuf, buf_size)) { + ret = -EFAULT; + goto done; + } + + arg_num = sscanf(buf, "%d %x %x", &conditions, &gpio, &gap); + + memset(&hscfg, 0, sizeof(struct mwifiex_ds_hs_cfg)); + + if (arg_num > 3) { + mwifiex_dbg(priv->adapter, ERROR, + "Too many arguments\n"); + ret = -EINVAL; + goto done; + } + + if (arg_num >= 1 && arg_num < 3) + mwifiex_set_hs_params(priv, HostCmd_ACT_GEN_GET, + MWIFIEX_SYNC_CMD, &hscfg); + + if (arg_num) { + if (conditions == HS_CFG_CANCEL) { + mwifiex_cancel_hs(priv, MWIFIEX_ASYNC_CMD); + ret = count; + goto done; + } + hscfg.conditions = conditions; + } + if (arg_num >= 2) + hscfg.gpio = gpio; + if (arg_num == 3) + hscfg.gap = gap; + + hscfg.is_invoke_hostcmd = false; + mwifiex_set_hs_params(priv, HostCmd_ACT_GEN_SET, + MWIFIEX_SYNC_CMD, &hscfg); + + mwifiex_enable_hs(priv->adapter); + priv->adapter->hs_enabling = false; + ret = count; +done: + free_page(addr); + return ret; +} + +/* Proc hscfg file read handler + * This function can be used to read host sleep configuration + * parameters from driver. + */ +static ssize_t +mwifiex_hscfg_read(struct file *file, char __user *ubuf, + size_t count, loff_t *ppos) +{ + struct mwifiex_private *priv = (void *)file->private_data; + unsigned long addr = get_zeroed_page(GFP_KERNEL); + char *buf = (char *)addr; + int pos, ret; + struct mwifiex_ds_hs_cfg hscfg; + + if (!buf) + return -ENOMEM; + + mwifiex_set_hs_params(priv, HostCmd_ACT_GEN_GET, + MWIFIEX_SYNC_CMD, &hscfg); + + pos = snprintf(buf, PAGE_SIZE, "%u 0x%x 0x%x\n", hscfg.conditions, + hscfg.gpio, hscfg.gap); + + ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos); + + free_page(addr); + return ret; +} + +static ssize_t +mwifiex_timeshare_coex_read(struct file *file, char __user *ubuf, + size_t count, loff_t *ppos) +{ + struct mwifiex_private *priv = file->private_data; + char buf[3]; + bool timeshare_coex; + int ret; + unsigned int len; + + if (priv->adapter->fw_api_ver != MWIFIEX_FW_V15) + return -EOPNOTSUPP; + + ret = mwifiex_send_cmd(priv, HostCmd_CMD_ROBUST_COEX, + HostCmd_ACT_GEN_GET, 0, ×hare_coex, true); + if (ret) + return ret; + + len = sprintf(buf, "%d\n", timeshare_coex); + return simple_read_from_buffer(ubuf, count, ppos, buf, len); +} + +static ssize_t +mwifiex_timeshare_coex_write(struct file *file, const char __user *ubuf, + size_t count, loff_t *ppos) +{ + bool timeshare_coex; + struct mwifiex_private *priv = file->private_data; + char kbuf[16]; + int ret; + + if (priv->adapter->fw_api_ver != MWIFIEX_FW_V15) + return -EOPNOTSUPP; + + memset(kbuf, 0, sizeof(kbuf)); + + if (copy_from_user(&kbuf, ubuf, min_t(size_t, sizeof(kbuf) - 1, count))) + return -EFAULT; + + if (strtobool(kbuf, ×hare_coex)) + return -EINVAL; + + ret = mwifiex_send_cmd(priv, HostCmd_CMD_ROBUST_COEX, + HostCmd_ACT_GEN_SET, 0, ×hare_coex, true); + if (ret) + return ret; + else + return count; +} #define MWIFIEX_DFS_ADD_FILE(name) do { \ if (!debugfs_create_file(#name, 0644, priv->dfs_dev_dir, \ @@ -699,8 +935,14 @@ MWIFIEX_DFS_FILE_READ_OPS(info); MWIFIEX_DFS_FILE_READ_OPS(debug); MWIFIEX_DFS_FILE_READ_OPS(getlog); +MWIFIEX_DFS_FILE_READ_OPS(device_dump); MWIFIEX_DFS_FILE_OPS(regrdwr); MWIFIEX_DFS_FILE_OPS(rdeeprom); +MWIFIEX_DFS_FILE_OPS(memrw); +MWIFIEX_DFS_FILE_OPS(hscfg); +MWIFIEX_DFS_FILE_OPS(histogram); +MWIFIEX_DFS_FILE_OPS(debug_mask); +MWIFIEX_DFS_FILE_OPS(timeshare_coex); /* * This function creates the debug FS directory structure and the files. @@ -722,6 +964,12 @@ MWIFIEX_DFS_ADD_FILE(getlog); MWIFIEX_DFS_ADD_FILE(regrdwr); MWIFIEX_DFS_ADD_FILE(rdeeprom); + MWIFIEX_DFS_ADD_FILE(device_dump); + MWIFIEX_DFS_ADD_FILE(memrw); + MWIFIEX_DFS_ADD_FILE(hscfg); + MWIFIEX_DFS_ADD_FILE(histogram); + MWIFIEX_DFS_ADD_FILE(debug_mask); + MWIFIEX_DFS_ADD_FILE(timeshare_coex); } /*