Commit a3d135e5 authored by Kalle Valo's avatar Kalle Valo

ath10k: add htt_stats_enable debugfs file

Signed-off-by: default avatarKalle Valo <kvalo@qca.qualcomm.com>
parent db66ea04
No related merge requests found
...@@ -246,6 +246,9 @@ struct ath10k_debug { ...@@ -246,6 +246,9 @@ struct ath10k_debug {
u32 wmi_service_bitmap[WMI_SERVICE_BM_SIZE]; u32 wmi_service_bitmap[WMI_SERVICE_BM_SIZE];
struct completion event_stats_compl; struct completion event_stats_compl;
unsigned long htt_stats_mask;
struct delayed_work htt_stats_dwork;
}; };
enum ath10k_state { enum ath10k_state {
......
...@@ -21,6 +21,9 @@ ...@@ -21,6 +21,9 @@
#include "core.h" #include "core.h"
#include "debug.h" #include "debug.h"
/* ms */
#define ATH10K_DEBUG_HTT_STATS_INTERVAL 1000
static int ath10k_printk(const char *level, const char *fmt, ...) static int ath10k_printk(const char *level, const char *fmt, ...)
{ {
struct va_format vaf; struct va_format vaf;
...@@ -517,13 +520,115 @@ static const struct file_operations fops_chip_id = { ...@@ -517,13 +520,115 @@ static const struct file_operations fops_chip_id = {
.llseek = default_llseek, .llseek = default_llseek,
}; };
static int ath10k_debug_htt_stats_req(struct ath10k *ar)
{
u64 cookie;
int ret;
lockdep_assert_held(&ar->conf_mutex);
if (ar->debug.htt_stats_mask == 0)
/* htt stats are disabled */
return 0;
if (ar->state != ATH10K_STATE_ON)
return 0;
cookie = get_jiffies_64();
ret = ath10k_htt_h2t_stats_req(&ar->htt, ar->debug.htt_stats_mask,
cookie);
if (ret) {
ath10k_warn("failed to send htt stats request: %d\n", ret);
return ret;
}
queue_delayed_work(ar->workqueue, &ar->debug.htt_stats_dwork,
msecs_to_jiffies(ATH10K_DEBUG_HTT_STATS_INTERVAL));
return 0;
}
static void ath10k_debug_htt_stats_dwork(struct work_struct *work)
{
struct ath10k *ar = container_of(work, struct ath10k,
debug.htt_stats_dwork.work);
mutex_lock(&ar->conf_mutex);
ath10k_debug_htt_stats_req(ar);
mutex_unlock(&ar->conf_mutex);
}
static ssize_t ath10k_read_htt_stats_mask(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath10k *ar = file->private_data;
char buf[32];
unsigned int len;
len = scnprintf(buf, sizeof(buf), "%lu\n", ar->debug.htt_stats_mask);
return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}
static ssize_t ath10k_write_htt_stats_mask(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath10k *ar = file->private_data;
unsigned long mask;
int ret;
ret = kstrtoul_from_user(user_buf, count, 0, &mask);
if (ret)
return ret;
/* max 8 bit masks (for now) */
if (mask > 0xff)
return -E2BIG;
mutex_lock(&ar->conf_mutex);
ar->debug.htt_stats_mask = mask;
ret = ath10k_debug_htt_stats_req(ar);
if (ret)
goto out;
ret = count;
out:
mutex_unlock(&ar->conf_mutex);
return ret;
}
static const struct file_operations fops_htt_stats_mask = {
.read = ath10k_read_htt_stats_mask,
.write = ath10k_write_htt_stats_mask,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
int ath10k_debug_start(struct ath10k *ar) int ath10k_debug_start(struct ath10k *ar)
{ {
int ret;
ret = ath10k_debug_htt_stats_req(ar);
if (ret)
/* continue normally anyway, this isn't serious */
ath10k_warn("failed to start htt stats workqueue: %d\n", ret);
return 0; return 0;
} }
void ath10k_debug_stop(struct ath10k *ar) void ath10k_debug_stop(struct ath10k *ar)
{ {
cancel_delayed_work_sync(&ar->debug.htt_stats_dwork);
} }
int ath10k_debug_create(struct ath10k *ar) int ath10k_debug_create(struct ath10k *ar)
...@@ -534,6 +639,9 @@ int ath10k_debug_create(struct ath10k *ar) ...@@ -534,6 +639,9 @@ int ath10k_debug_create(struct ath10k *ar)
if (!ar->debug.debugfs_phy) if (!ar->debug.debugfs_phy)
return -ENOMEM; return -ENOMEM;
INIT_DELAYED_WORK(&ar->debug.htt_stats_dwork,
ath10k_debug_htt_stats_dwork);
init_completion(&ar->debug.event_stats_compl); init_completion(&ar->debug.event_stats_compl);
debugfs_create_file("fw_stats", S_IRUSR, ar->debug.debugfs_phy, ar, debugfs_create_file("fw_stats", S_IRUSR, ar->debug.debugfs_phy, ar,
...@@ -548,6 +656,9 @@ int ath10k_debug_create(struct ath10k *ar) ...@@ -548,6 +656,9 @@ int ath10k_debug_create(struct ath10k *ar)
debugfs_create_file("chip_id", S_IRUSR, ar->debug.debugfs_phy, debugfs_create_file("chip_id", S_IRUSR, ar->debug.debugfs_phy,
ar, &fops_chip_id); ar, &fops_chip_id);
debugfs_create_file("htt_stats_mask", S_IRUSR, ar->debug.debugfs_phy,
ar, &fops_htt_stats_mask);
return 0; return 0;
} }
......
...@@ -1327,6 +1327,7 @@ void ath10k_htt_rx_detach(struct ath10k_htt *htt); ...@@ -1327,6 +1327,7 @@ void ath10k_htt_rx_detach(struct ath10k_htt *htt);
void ath10k_htt_htc_tx_complete(struct ath10k *ar, struct sk_buff *skb); void ath10k_htt_htc_tx_complete(struct ath10k *ar, struct sk_buff *skb);
void ath10k_htt_t2h_msg_handler(struct ath10k *ar, struct sk_buff *skb); void ath10k_htt_t2h_msg_handler(struct ath10k *ar, struct sk_buff *skb);
int ath10k_htt_h2t_ver_req_msg(struct ath10k_htt *htt); int ath10k_htt_h2t_ver_req_msg(struct ath10k_htt *htt);
int ath10k_htt_h2t_stats_req(struct ath10k_htt *htt, u8 mask, u64 cookie);
int ath10k_htt_send_rx_ring_cfg_ll(struct ath10k_htt *htt); int ath10k_htt_send_rx_ring_cfg_ll(struct ath10k_htt *htt);
void __ath10k_htt_tx_dec_pending(struct ath10k_htt *htt); void __ath10k_htt_tx_dec_pending(struct ath10k_htt *htt);
......
...@@ -203,6 +203,48 @@ int ath10k_htt_h2t_ver_req_msg(struct ath10k_htt *htt) ...@@ -203,6 +203,48 @@ int ath10k_htt_h2t_ver_req_msg(struct ath10k_htt *htt)
return 0; return 0;
} }
int ath10k_htt_h2t_stats_req(struct ath10k_htt *htt, u8 mask, u64 cookie)
{
struct htt_stats_req *req;
struct sk_buff *skb;
struct htt_cmd *cmd;
int len = 0, ret;
len += sizeof(cmd->hdr);
len += sizeof(cmd->stats_req);
skb = ath10k_htc_alloc_skb(len);
if (!skb)
return -ENOMEM;
skb_put(skb, len);
cmd = (struct htt_cmd *)skb->data;
cmd->hdr.msg_type = HTT_H2T_MSG_TYPE_STATS_REQ;
req = &cmd->stats_req;
memset(req, 0, sizeof(*req));
/* currently we support only max 8 bit masks so no need to worry
* about endian support */
req->upload_types[0] = mask;
req->reset_types[0] = mask;
req->stat_type = HTT_STATS_REQ_CFG_STAT_TYPE_INVALID;
req->cookie_lsb = cpu_to_le32(cookie & 0xffffffff);
req->cookie_msb = cpu_to_le32((cookie & 0xffffffff00000000ULL) >> 32);
ATH10K_SKB_CB(skb)->htt.is_conf = true;
ret = ath10k_htc_send(&htt->ar->htc, htt->eid, skb);
if (ret) {
ath10k_warn("failed to send htt type stats request: %d", ret);
dev_kfree_skb_any(skb);
return ret;
}
return 0;
}
int ath10k_htt_send_rx_ring_cfg_ll(struct ath10k_htt *htt) int ath10k_htt_send_rx_ring_cfg_ll(struct ath10k_htt *htt)
{ {
struct sk_buff *skb; struct sk_buff *skb;
......
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