From 939f1ccec80bd2dad5638de2a6819c66d4cb6f32 Mon Sep 17 00:00:00 2001 From: Kalle Valo Date: Fri, 2 Sep 2011 10:32:04 +0300 Subject: [PATCH] ath6kl: implement support to set firmware log parameters Firmware log parameters can be controlled now with help of fwlog_mask debugfs file. Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath6kl/core.h | 1 + drivers/net/wireless/ath/ath6kl/debug.c | 51 +++++++++++++++++++++++++ drivers/net/wireless/ath/ath6kl/wmi.c | 19 +++++++++ drivers/net/wireless/ath/ath6kl/wmi.h | 6 +++ 4 files changed, 77 insertions(+) diff --git a/drivers/net/wireless/ath/ath6kl/core.h b/drivers/net/wireless/ath/ath6kl/core.h index 319e768d9ad6..58c810acdbf2 100644 --- a/drivers/net/wireless/ath/ath6kl/core.h +++ b/drivers/net/wireless/ath/ath6kl/core.h @@ -474,6 +474,7 @@ struct ath6kl { struct circ_buf fwlog_buf; spinlock_t fwlog_lock; void *fwlog_tmp; + u32 fwlog_mask; } debug; #endif /* CONFIG_ATH6KL_DEBUG */ }; diff --git a/drivers/net/wireless/ath/ath6kl/debug.c b/drivers/net/wireless/ath/ath6kl/debug.c index b2706da58149..239c092d3e11 100644 --- a/drivers/net/wireless/ath/ath6kl/debug.c +++ b/drivers/net/wireless/ath/ath6kl/debug.c @@ -17,6 +17,7 @@ #include "core.h" #include +#include #include "debug.h" #include "target.h" @@ -32,6 +33,7 @@ struct ath6kl_fwlog_slot { #define ATH6KL_FWLOG_SIZE 32768 #define ATH6KL_FWLOG_SLOT_SIZE (sizeof(struct ath6kl_fwlog_slot) + \ ATH6KL_FWLOG_PAYLOAD_SIZE) +#define ATH6KL_FWLOG_VALID_MASK 0x1ffff int ath6kl_printk(const char *level, const char *fmt, ...) { @@ -280,6 +282,46 @@ static const struct file_operations fops_fwlog = { .llseek = default_llseek, }; +static ssize_t ath6kl_fwlog_mask_read(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ath6kl *ar = file->private_data; + char buf[16]; + int len; + + len = snprintf(buf, sizeof(buf), "0x%x\n", ar->debug.fwlog_mask); + + return simple_read_from_buffer(user_buf, count, ppos, buf, len); +} + +static ssize_t ath6kl_fwlog_mask_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ath6kl *ar = file->private_data; + int ret; + + ret = kstrtou32_from_user(user_buf, count, 0, &ar->debug.fwlog_mask); + if (ret) + return ret; + + ret = ath6kl_wmi_config_debug_module_cmd(ar->wmi, + ATH6KL_FWLOG_VALID_MASK, + ar->debug.fwlog_mask); + if (ret) + return ret; + + return count; +} + +static const struct file_operations fops_fwlog_mask = { + .open = ath6kl_debugfs_open, + .read = ath6kl_fwlog_mask_read, + .write = ath6kl_fwlog_mask_write, + .owner = THIS_MODULE, + .llseek = default_llseek, +}; + static ssize_t read_file_tgt_stats(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { @@ -497,6 +539,12 @@ int ath6kl_debug_init(struct ath6kl *ar) spin_lock_init(&ar->debug.fwlog_lock); + /* + * Actually we are lying here but don't know how to read the mask + * value from the firmware. + */ + ar->debug.fwlog_mask = 0; + ar->debugfs_phy = debugfs_create_dir("ath6kl", ar->wdev->wiphy->debugfsdir); if (!ar->debugfs_phy) { @@ -514,6 +562,9 @@ int ath6kl_debug_init(struct ath6kl *ar) debugfs_create_file("fwlog", S_IRUSR, ar->debugfs_phy, ar, &fops_fwlog); + debugfs_create_file("fwlog_mask", S_IRUSR | S_IWUSR, ar->debugfs_phy, + ar, &fops_fwlog_mask); + return 0; } diff --git a/drivers/net/wireless/ath/ath6kl/wmi.c b/drivers/net/wireless/ath/ath6kl/wmi.c index 954d5e18e888..7201a72ac1b8 100644 --- a/drivers/net/wireless/ath/ath6kl/wmi.c +++ b/drivers/net/wireless/ath/ath6kl/wmi.c @@ -2412,6 +2412,25 @@ int ath6kl_wmi_get_challenge_resp_cmd(struct wmi *wmi, u32 cookie, u32 source) return ret; } +int ath6kl_wmi_config_debug_module_cmd(struct wmi *wmi, u32 valid, u32 config) +{ + struct ath6kl_wmix_dbglog_cfg_module_cmd *cmd; + struct sk_buff *skb; + int ret; + + skb = ath6kl_wmi_get_new_buf(sizeof(*cmd)); + if (!skb) + return -ENOMEM; + + cmd = (struct ath6kl_wmix_dbglog_cfg_module_cmd *) skb->data; + cmd->valid = cpu_to_le32(valid); + cmd->config = cpu_to_le32(config); + + ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_DBGLOG_CFG_MODULE_CMDID, + NO_SYNC_WMIFLAG); + return ret; +} + int ath6kl_wmi_get_stats_cmd(struct wmi *wmi) { return ath6kl_wmi_simple_cmd(wmi, WMI_GET_STATISTICS_CMDID); diff --git a/drivers/net/wireless/ath/ath6kl/wmi.h b/drivers/net/wireless/ath/ath6kl/wmi.h index 5d68d8f2032c..1c565816f622 100644 --- a/drivers/net/wireless/ath/ath6kl/wmi.h +++ b/drivers/net/wireless/ath/ath6kl/wmi.h @@ -2083,6 +2083,11 @@ struct wmix_hb_challenge_resp_cmd { __le32 source; } __packed; +struct ath6kl_wmix_dbglog_cfg_module_cmd { + __le32 valid; + __le32 config; +} __packed; + /* End of Extended WMI (WMIX) */ enum wmi_sync_flag { @@ -2162,6 +2167,7 @@ int ath6kl_wmi_set_lpreamble_cmd(struct wmi *wmi, u8 status, u8 preamble_policy); int ath6kl_wmi_get_challenge_resp_cmd(struct wmi *wmi, u32 cookie, u32 source); +int ath6kl_wmi_config_debug_module_cmd(struct wmi *wmi, u32 valid, u32 config); int ath6kl_wmi_get_stats_cmd(struct wmi *wmi); int ath6kl_wmi_addkey_cmd(struct wmi *wmi, u8 key_index, -- 2.30.2