| /* |
| * Copyright (c) 2012-2015 The Linux Foundation. All rights reserved. |
| * |
| * Previously licensed under the ISC license by Qualcomm Atheros, Inc. |
| * |
| * |
| * Permission to use, copy, modify, and/or distribute this software for |
| * any purpose with or without fee is hereby granted, provided that the |
| * above copyright notice and this permission notice appear in all |
| * copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
| * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
| * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
| * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| * PERFORMANCE OF THIS SOFTWARE. |
| */ |
| |
| /* |
| * This file was originally distributed by Qualcomm Atheros, Inc. |
| * under proprietary terms before Copyright ownership was assigned |
| * to the Linux Foundation. |
| */ |
| |
| #ifdef WLAN_OPEN_SOURCE |
| #include <wlan_hdd_includes.h> |
| #include <wlan_hdd_wowl.h> |
| #include <vos_sched.h> |
| |
| #define MAX_USER_COMMAND_SIZE_WOWL_ENABLE 8 |
| #define MAX_USER_COMMAND_SIZE_WOWL_PATTERN 512 |
| #define MAX_USER_COMMAND_SIZE_FRAME 4096 |
| |
| static ssize_t __wcnss_wowenable_write(struct file *file, |
| const char __user *buf, size_t count, loff_t *ppos) |
| { |
| hdd_adapter_t *pAdapter; |
| hdd_context_t *pHddCtx; |
| char cmd[MAX_USER_COMMAND_SIZE_WOWL_ENABLE + 1]; |
| char *sptr, *token; |
| v_U8_t wow_enable = 0; |
| v_U8_t wow_mp = 0; |
| v_U8_t wow_pbm = 0; |
| |
| ENTER(); |
| |
| pAdapter = (hdd_adapter_t *)file->private_data; |
| if ((NULL == pAdapter) || (WLAN_HDD_ADAPTER_MAGIC != pAdapter->magic)) |
| { |
| VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_FATAL, |
| "%s: Invalid adapter or adapter has invalid magic.", |
| __func__); |
| return -EINVAL; |
| } |
| pHddCtx = WLAN_HDD_GET_CTX(pAdapter); |
| if (0 != wlan_hdd_validate_context(pHddCtx)) |
| { |
| return -EINVAL; |
| } |
| |
| if (!sme_IsFeatureSupportedByFW(WOW)) |
| { |
| VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
| "%s: Wake-on-Wireless feature is not supported " |
| "in firmware!", __func__); |
| |
| return -EINVAL; |
| } |
| |
| if (count > MAX_USER_COMMAND_SIZE_WOWL_ENABLE) |
| { |
| VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
| "%s: Command length is larger than %d bytes.", |
| __func__, MAX_USER_COMMAND_SIZE_WOWL_ENABLE); |
| |
| return -EINVAL; |
| } |
| |
| /* Get command from user */ |
| if (copy_from_user(cmd, buf, count)) |
| return -EFAULT; |
| cmd[count] = '\0'; |
| sptr = cmd; |
| |
| /* Get enable or disable wow */ |
| token = strsep(&sptr, " "); |
| if (!token) |
| return -EINVAL; |
| if (kstrtou8(token, 0, &wow_enable)) |
| return -EINVAL; |
| |
| /* Disable wow */ |
| if (!wow_enable) { |
| if (!hdd_exit_wowl(pAdapter, eWOWL_EXIT_USER)) |
| { |
| VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
| "%s: hdd_exit_wowl failed!", __func__); |
| |
| return -EFAULT; |
| } |
| |
| return count; |
| } |
| |
| /* Get enable or disable magic packet mode */ |
| token = strsep(&sptr, " "); |
| if (!token) |
| return -EINVAL; |
| if (kstrtou8(token, 0, &wow_mp)) |
| return -EINVAL; |
| if (wow_mp > 1) |
| wow_mp = 1; |
| |
| /* Get enable or disable pattern byte matching mode */ |
| token = strsep(&sptr, " "); |
| if (!token) |
| return -EINVAL; |
| if (kstrtou8(token, 0, &wow_pbm)) |
| return -EINVAL; |
| if (wow_pbm > 1) |
| wow_pbm = 1; |
| |
| if (!hdd_enter_wowl(pAdapter, wow_mp, wow_pbm)) |
| { |
| VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
| "%s: hdd_enter_wowl failed!", __func__); |
| |
| return -EFAULT; |
| } |
| EXIT(); |
| return count; |
| } |
| |
| static ssize_t wcnss_wowenable_write(struct file *file, |
| const char __user *buf, size_t count, loff_t *ppos) |
| { |
| ssize_t ret; |
| |
| vos_ssr_protect(__func__); |
| ret = __wcnss_wowenable_write(file, buf, count, ppos); |
| vos_ssr_unprotect(__func__); |
| |
| return ret; |
| } |
| |
| static ssize_t __wcnss_wowpattern_write(struct file *file, |
| const char __user *buf, size_t count, loff_t *ppos) |
| { |
| hdd_adapter_t *pAdapter; |
| hdd_context_t *pHddCtx; |
| char cmd[MAX_USER_COMMAND_SIZE_WOWL_PATTERN + 1]; |
| char *sptr, *token; |
| v_U8_t pattern_idx = 0; |
| v_U8_t pattern_offset = 0; |
| char *pattern_buf; |
| char *pattern_mask; |
| |
| ENTER(); |
| |
| pAdapter = (hdd_adapter_t *)file->private_data; |
| if ((NULL == pAdapter) || (WLAN_HDD_ADAPTER_MAGIC != pAdapter->magic)) |
| { |
| VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_FATAL, |
| "%s: Invalid adapter or adapter has invalid magic.", |
| __func__); |
| |
| return -EINVAL; |
| } |
| pHddCtx = WLAN_HDD_GET_CTX(pAdapter); |
| if (0 != wlan_hdd_validate_context(pHddCtx)) |
| { |
| return -EINVAL; |
| } |
| if (!sme_IsFeatureSupportedByFW(WOW)) |
| { |
| VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
| "%s: Wake-on-Wireless feature is not supported " |
| "in firmware!", __func__); |
| |
| return -EINVAL; |
| } |
| |
| if (count > MAX_USER_COMMAND_SIZE_WOWL_PATTERN) |
| { |
| VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
| "%s: Command length is larger than %d bytes.", |
| __func__, MAX_USER_COMMAND_SIZE_WOWL_PATTERN); |
| |
| return -EINVAL; |
| } |
| |
| /* Get command from user */ |
| if (copy_from_user(cmd, buf, count)) |
| return -EFAULT; |
| cmd[count] = '\0'; |
| sptr = cmd; |
| |
| /* Get pattern idx */ |
| token = strsep(&sptr, " "); |
| if (!token) |
| return -EINVAL; |
| |
| if (kstrtou8(token, 0, &pattern_idx)) |
| return -EINVAL; |
| |
| /* Get pattern offset */ |
| token = strsep(&sptr, " "); |
| |
| /* Delete pattern if no further argument */ |
| if (!token) { |
| hdd_del_wowl_ptrn_debugfs(pAdapter, pattern_idx); |
| |
| return count; |
| } |
| |
| if (kstrtou8(token, 0, &pattern_offset)) |
| return -EINVAL; |
| |
| /* Get pattern */ |
| token = strsep(&sptr, " "); |
| if (!token) |
| return -EINVAL; |
| |
| pattern_buf = token; |
| |
| /* Get pattern mask */ |
| token = strsep(&sptr, " "); |
| if (!token) |
| return -EINVAL; |
| |
| pattern_mask = token; |
| pattern_mask[strlen(pattern_mask) - 1] = '\0'; |
| |
| hdd_add_wowl_ptrn_debugfs(pAdapter, pattern_idx, pattern_offset, |
| pattern_buf, pattern_mask); |
| EXIT(); |
| return count; |
| } |
| |
| static ssize_t wcnss_wowpattern_write(struct file *file, |
| const char __user *buf, size_t count, loff_t *ppos) |
| { |
| ssize_t ret; |
| |
| vos_ssr_protect(__func__); |
| ret = __wcnss_wowpattern_write(file, buf, count, ppos); |
| vos_ssr_unprotect(__func__); |
| |
| return ret; |
| } |
| |
| static ssize_t __wcnss_patterngen_write(struct file *file, |
| const char __user *buf, size_t count, loff_t *ppos) |
| { |
| hdd_adapter_t *pAdapter; |
| hdd_context_t *pHddCtx; |
| tSirAddPeriodicTxPtrn *addPeriodicTxPtrnParams; |
| tSirDelPeriodicTxPtrn *delPeriodicTxPtrnParams; |
| char *cmd, *sptr, *token; |
| v_U8_t pattern_idx = 0; |
| v_U8_t pattern_duration = 0; |
| char *pattern_buf; |
| v_U16_t pattern_len = 0; |
| v_U16_t i = 0; |
| |
| ENTER(); |
| |
| pAdapter = (hdd_adapter_t *)file->private_data; |
| if ((NULL == pAdapter) || (WLAN_HDD_ADAPTER_MAGIC != pAdapter->magic)) |
| { |
| VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_FATAL, |
| "%s: Invalid adapter or adapter has invalid magic.", |
| __func__); |
| |
| return -EINVAL; |
| } |
| pHddCtx = WLAN_HDD_GET_CTX(pAdapter); |
| if (0 != wlan_hdd_validate_context(pHddCtx)) |
| { |
| return -EINVAL; |
| } |
| |
| if (!sme_IsFeatureSupportedByFW(WLAN_PERIODIC_TX_PTRN)) |
| { |
| VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
| "%s: Periodic Tx Pattern Offload feature is not supported " |
| "in firmware!", __func__); |
| |
| return -EINVAL; |
| } |
| |
| /* Get command from user */ |
| if (count <= MAX_USER_COMMAND_SIZE_FRAME) |
| cmd = vos_mem_malloc(count + 1); |
| else |
| { |
| VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
| "%s: Command length is larger than %d bytes.", |
| __func__, MAX_USER_COMMAND_SIZE_FRAME); |
| |
| return -EINVAL; |
| } |
| |
| if (!cmd) |
| { |
| VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
| "%s: Memory allocation for cmd failed!", __func__); |
| |
| return -EFAULT; |
| } |
| |
| if (copy_from_user(cmd, buf, count)) |
| { |
| vos_mem_free(cmd); |
| return -EFAULT; |
| } |
| cmd[count] = '\0'; |
| sptr = cmd; |
| |
| /* Get pattern idx */ |
| token = strsep(&sptr, " "); |
| if (!token) |
| goto failure; |
| if (kstrtou8(token, 0, &pattern_idx)) |
| goto failure; |
| |
| if (pattern_idx > (MAXNUM_PERIODIC_TX_PTRNS - 1)) |
| { |
| VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
| "%s: Pattern index %d is not in the range (0 ~ %d).", |
| __func__, pattern_idx, MAXNUM_PERIODIC_TX_PTRNS - 1); |
| |
| goto failure; |
| } |
| |
| /* Get pattern duration */ |
| token = strsep(&sptr, " "); |
| if (!token) |
| goto failure; |
| if (kstrtou8(token, 0, &pattern_duration)) |
| goto failure; |
| |
| /* Delete pattern using index if duration is 0 */ |
| if (!pattern_duration) |
| { |
| delPeriodicTxPtrnParams = |
| vos_mem_malloc(sizeof(tSirDelPeriodicTxPtrn)); |
| if (!delPeriodicTxPtrnParams) |
| { |
| VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
| "%s: Memory allocation for delPeriodicTxPtrnParams " |
| "failed!", __func__); |
| |
| vos_mem_free(cmd); |
| return -EFAULT; |
| } |
| |
| delPeriodicTxPtrnParams->ucPatternIdBitmap = 1 << pattern_idx; |
| vos_mem_copy(delPeriodicTxPtrnParams->macAddress, |
| pAdapter->macAddressCurrent.bytes, 6); |
| |
| /* Delete pattern */ |
| if (eHAL_STATUS_SUCCESS != sme_DelPeriodicTxPtrn(pHddCtx->hHal, |
| delPeriodicTxPtrnParams)) |
| { |
| VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
| "%s: sme_DelPeriodicTxPtrn() failed!", __func__); |
| |
| vos_mem_free(delPeriodicTxPtrnParams); |
| goto failure; |
| } |
| |
| vos_mem_free(delPeriodicTxPtrnParams); |
| vos_mem_free(cmd); |
| return count; |
| } |
| |
| /* Check if it's in connected state only when adding patterns */ |
| if (!hdd_connIsConnected(WLAN_HDD_GET_STATION_CTX_PTR(pAdapter))) |
| { |
| VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
| "%s: Not in Connected state!", __func__); |
| |
| goto failure; |
| } |
| |
| /* Get pattern */ |
| token = strsep(&sptr, " "); |
| if (!token) |
| goto failure; |
| |
| pattern_buf = token; |
| pattern_buf[strlen(pattern_buf) - 1] = '\0'; |
| pattern_len = strlen(pattern_buf); |
| |
| /* Since the pattern is a hex string, 2 characters represent 1 byte. */ |
| if (pattern_len % 2) |
| { |
| VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
| "%s: Malformed pattern!", __func__); |
| |
| goto failure; |
| } |
| else |
| pattern_len >>= 1; |
| |
| if (pattern_len < 14 || pattern_len > PERIODIC_TX_PTRN_MAX_SIZE) |
| { |
| VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
| "%s: Not an 802.3 frame!", __func__); |
| |
| goto failure; |
| } |
| |
| addPeriodicTxPtrnParams = vos_mem_malloc(sizeof(tSirAddPeriodicTxPtrn)); |
| if (!addPeriodicTxPtrnParams) |
| { |
| VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
| "%s: Memory allocation for addPeriodicTxPtrnParams " |
| "failed!", __func__); |
| |
| vos_mem_free(cmd); |
| return -EFAULT; |
| } |
| |
| addPeriodicTxPtrnParams->ucPtrnId = pattern_idx; |
| addPeriodicTxPtrnParams->usPtrnIntervalMs = pattern_duration * 500; |
| addPeriodicTxPtrnParams->ucPtrnSize = pattern_len; |
| vos_mem_copy(addPeriodicTxPtrnParams->macAddress, |
| pAdapter->macAddressCurrent.bytes, 6); |
| |
| /* Extract the pattern */ |
| for(i = 0; i < addPeriodicTxPtrnParams->ucPtrnSize; i++) |
| { |
| addPeriodicTxPtrnParams->ucPattern[i] = |
| (hdd_parse_hex(pattern_buf[0]) << 4) + hdd_parse_hex(pattern_buf[1]); |
| |
| /* Skip to next byte */ |
| pattern_buf += 2; |
| } |
| |
| /* Add pattern */ |
| if (eHAL_STATUS_SUCCESS != sme_AddPeriodicTxPtrn(pHddCtx->hHal, |
| addPeriodicTxPtrnParams)) |
| { |
| VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
| "%s: sme_AddPeriodicTxPtrn() failed!", __func__); |
| |
| vos_mem_free(addPeriodicTxPtrnParams); |
| goto failure; |
| } |
| |
| vos_mem_free(addPeriodicTxPtrnParams); |
| vos_mem_free(cmd); |
| EXIT(); |
| return count; |
| |
| failure: |
| vos_mem_free(cmd); |
| return -EINVAL; |
| } |
| |
| static ssize_t wcnss_patterngen_write(struct file *file, |
| const char __user *buf, size_t count, loff_t *ppos) |
| { |
| ssize_t ret; |
| |
| vos_ssr_protect(__func__); |
| ret = __wcnss_patterngen_write(file, buf, count, ppos); |
| vos_ssr_unprotect(__func__); |
| |
| return ret; |
| |
| } |
| |
| static int __wcnss_debugfs_open(struct inode *inode, struct file *file) |
| { |
| hdd_adapter_t *pAdapter; |
| hdd_context_t *pHddCtx; |
| |
| ENTER(); |
| |
| pAdapter = (hdd_adapter_t *)file->private_data; |
| if ((NULL == pAdapter) || (WLAN_HDD_ADAPTER_MAGIC != pAdapter->magic)) |
| { |
| VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_FATAL, |
| "%s: Invalid adapter or adapter has invalid magic.", |
| __func__); |
| return -EINVAL; |
| } |
| pHddCtx = WLAN_HDD_GET_CTX(pAdapter); |
| if (0 != wlan_hdd_validate_context(pHddCtx)) |
| { |
| return -EINVAL; |
| } |
| |
| if (inode->i_private) |
| { |
| file->private_data = inode->i_private; |
| } |
| EXIT(); |
| return 0; |
| } |
| |
| static int wcnss_debugfs_open(struct inode *inode, struct file *file) |
| { |
| int ret; |
| |
| vos_ssr_protect(__func__); |
| ret = __wcnss_debugfs_open(inode, file); |
| vos_ssr_unprotect(__func__); |
| |
| return ret; |
| } |
| |
| static const struct file_operations fops_wowenable = { |
| .write = wcnss_wowenable_write, |
| .open = wcnss_debugfs_open, |
| .owner = THIS_MODULE, |
| .llseek = default_llseek, |
| }; |
| |
| static const struct file_operations fops_wowpattern = { |
| .write = wcnss_wowpattern_write, |
| .open = wcnss_debugfs_open, |
| .owner = THIS_MODULE, |
| .llseek = default_llseek, |
| }; |
| |
| static const struct file_operations fops_patterngen = { |
| .write = wcnss_patterngen_write, |
| .open = wcnss_debugfs_open, |
| .owner = THIS_MODULE, |
| .llseek = default_llseek, |
| }; |
| |
| VOS_STATUS hdd_debugfs_init(hdd_adapter_t *pAdapter) |
| { |
| hdd_context_t *pHddCtx = WLAN_HDD_GET_CTX(pAdapter); |
| pHddCtx->debugfs_phy = debugfs_create_dir("wlan_wcnss", 0); |
| |
| if (NULL == pHddCtx->debugfs_phy) |
| return VOS_STATUS_E_FAILURE; |
| |
| if (NULL == debugfs_create_file("wow_enable", S_IRUSR | S_IWUSR, |
| pHddCtx->debugfs_phy, pAdapter, &fops_wowenable)) |
| return VOS_STATUS_E_FAILURE; |
| |
| if (NULL == debugfs_create_file("wow_pattern", S_IRUSR | S_IWUSR, |
| pHddCtx->debugfs_phy, pAdapter, &fops_wowpattern)) |
| return VOS_STATUS_E_FAILURE; |
| |
| if (NULL == debugfs_create_file("pattern_gen", S_IRUSR | S_IWUSR, |
| pHddCtx->debugfs_phy, pAdapter, &fops_patterngen)) |
| return VOS_STATUS_E_FAILURE; |
| |
| return VOS_STATUS_SUCCESS; |
| } |
| |
| void hdd_debugfs_exit(hdd_context_t *pHddCtx) |
| { |
| debugfs_remove_recursive(pHddCtx->debugfs_phy); |
| } |
| #endif /* #ifdef WLAN_OPEN_SOURCE */ |
| |