diff options
Diffstat (limited to 'drivers/net/wireless/mwifiex/debugfs.c')
| -rw-r--r-- | drivers/net/wireless/mwifiex/debugfs.c | 95 |
1 files changed, 94 insertions, 1 deletions
diff --git a/drivers/net/wireless/mwifiex/debugfs.c b/drivers/net/wireless/mwifiex/debugfs.c index 7b419bbcd544..2713f7acd35e 100644 --- a/drivers/net/wireless/mwifiex/debugfs.c +++ b/drivers/net/wireless/mwifiex/debugfs.c @@ -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 @@ -692,6 +692,97 @@ done: 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) { + dev_err(priv->adapter->dev, "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; +} #define MWIFIEX_DFS_ADD_FILE(name) do { \ if (!debugfs_create_file(#name, 0644, priv->dfs_dev_dir, \ @@ -725,6 +816,7 @@ MWIFIEX_DFS_FILE_READ_OPS(getlog); MWIFIEX_DFS_FILE_READ_OPS(fw_dump); MWIFIEX_DFS_FILE_OPS(regrdwr); MWIFIEX_DFS_FILE_OPS(rdeeprom); +MWIFIEX_DFS_FILE_OPS(hscfg); /* * This function creates the debug FS directory structure and the files. @@ -747,6 +839,7 @@ mwifiex_dev_debugfs_init(struct mwifiex_private *priv) MWIFIEX_DFS_ADD_FILE(regrdwr); MWIFIEX_DFS_ADD_FILE(rdeeprom); MWIFIEX_DFS_ADD_FILE(fw_dump); + MWIFIEX_DFS_ADD_FILE(hscfg); } /* |