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Commit e7cf674b authored by Yuanyuan Liu's avatar Yuanyuan Liu Committed by Gerrit - the friendly Code Review server
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icnss: Show rejuvenation info in ICNSS stats report 



This is a debug enhance feature. It shows rejuvenation
info in ICNSS stats report, which makes it easier to
track the reason for every rejuvenation.

CRs-Fixed: 2072253
Change-Id: I6d133b4b182943ed745d7587bd1ec23858c29750
Signed-off-by: default avatarYuanyuan Liu <yuanliu@codeaurora.org>
parent 0c44f3c8

drivers/soc/qcom/icnss.c

+83 −0
Original line number Diff line number Diff line
@@ -365,6 +365,7 @@ struct icnss_stats { 
	uint32_t vbatt_req;

	uint32_t vbatt_resp;

	uint32_t vbatt_req_err;

	u32 rejuvenate_ind;

	uint32_t rejuvenate_ack_req;

	uint32_t rejuvenate_ack_resp;

	uint32_t rejuvenate_ack_err;
@@ -456,6 +457,10 @@ static struct icnss_priv { 
	struct icnss_wlan_mac_addr wlan_mac_addr;

	bool bypass_s1_smmu;

	struct mutex dev_lock;

	u8 cause_for_rejuvenation;

	u8 requesting_sub_system;

	u16 line_number;

	char function_name[QMI_WLFW_FUNCTION_NAME_LEN_V01 + 1];

} *penv;



#ifdef CONFIG_ICNSS_DEBUG
@@ -1691,6 +1696,60 @@ out: 
	return ret;

}



static int icnss_decode_rejuvenate_ind(void *msg, unsigned int msg_len)

{

	struct msg_desc ind_desc;

	struct wlfw_rejuvenate_ind_msg_v01 ind_msg;

	int ret = 0;



	if (!penv || !penv->wlfw_clnt) {

		ret = -ENODEV;

		goto out;

	}



	memset(&ind_msg, 0, sizeof(ind_msg));



	ind_desc.msg_id = QMI_WLFW_REJUVENATE_IND_V01;

	ind_desc.max_msg_len = WLFW_REJUVENATE_IND_MSG_V01_MAX_MSG_LEN;

	ind_desc.ei_array = wlfw_rejuvenate_ind_msg_v01_ei;



	ret = qmi_kernel_decode(&ind_desc, &ind_msg, msg, msg_len);

	if (ret < 0) {

		icnss_pr_err("Failed to decode rejuvenate ind message: ret %d, msg_len %u\n",

			     ret, msg_len);

		goto out;

	}



	if (ind_msg.cause_for_rejuvenation_valid)

		penv->cause_for_rejuvenation = ind_msg.cause_for_rejuvenation;

	else

		penv->cause_for_rejuvenation = 0;

	if (ind_msg.requesting_sub_system_valid)

		penv->requesting_sub_system = ind_msg.requesting_sub_system;

	else

		penv->requesting_sub_system = 0;

	if (ind_msg.line_number_valid)

		penv->line_number = ind_msg.line_number;

	else

		penv->line_number = 0;

	if (ind_msg.function_name_valid)

		memcpy(penv->function_name, ind_msg.function_name,

		       QMI_WLFW_FUNCTION_NAME_LEN_V01 + 1);

	else

		memset(penv->function_name, 0,

		       QMI_WLFW_FUNCTION_NAME_LEN_V01 + 1);



	icnss_pr_info("Cause for rejuvenation: 0x%x, requesting sub-system: 0x%x, line number: %u, function name: %s\n",

		      penv->cause_for_rejuvenation,

		      penv->requesting_sub_system,

		      penv->line_number,

		      penv->function_name);



	penv->stats.rejuvenate_ind++;

out:

	return ret;

}



static int wlfw_rejuvenate_ack_send_sync_msg(struct icnss_priv *priv)

{

	int ret;
@@ -1884,6 +1943,7 @@ static void icnss_qmi_wlfw_clnt_ind(struct qmi_handle *handle, 
			     msg_id, penv->state);



		icnss_ignore_qmi_timeout(true);

		icnss_decode_rejuvenate_ind(msg, msg_len);

		event_data = kzalloc(sizeof(*event_data), GFP_KERNEL);

		if (event_data == NULL)

			return;
@@ -3786,6 +3846,26 @@ static int icnss_stats_show_capability(struct seq_file *s, 
	return 0;

}



static int icnss_stats_show_rejuvenate_info(struct seq_file *s,

					    struct icnss_priv *priv)

{

	if (priv->stats.rejuvenate_ind)  {

		seq_puts(s, "\n<---------------- Rejuvenate Info ----------------->\n");

		seq_printf(s, "Number of Rejuvenations: %u\n",

			   priv->stats.rejuvenate_ind);

		seq_printf(s, "Cause for Rejuvenation: 0x%x\n",

			   priv->cause_for_rejuvenation);

		seq_printf(s, "Requesting Sub-System: 0x%x\n",

			   priv->requesting_sub_system);

		seq_printf(s, "Line Number: %u\n",

			   priv->line_number);

		seq_printf(s, "Function Name: %s\n",

			   priv->function_name);

	}



	return 0;

}



static int icnss_stats_show_events(struct seq_file *s, struct icnss_priv *priv)

{

	int i;
@@ -3851,6 +3931,7 @@ static int icnss_stats_show(struct seq_file *s, void *data) 
	ICNSS_STATS_DUMP(s, priv, vbatt_req);

	ICNSS_STATS_DUMP(s, priv, vbatt_resp);

	ICNSS_STATS_DUMP(s, priv, vbatt_req_err);

	ICNSS_STATS_DUMP(s, priv, rejuvenate_ind);

	ICNSS_STATS_DUMP(s, priv, rejuvenate_ack_req);

	ICNSS_STATS_DUMP(s, priv, rejuvenate_ack_resp);

	ICNSS_STATS_DUMP(s, priv, rejuvenate_ack_err);
@@ -3875,6 +3956,8 @@ static int icnss_stats_show(struct seq_file *s, void *data) 


	icnss_stats_show_capability(s, priv);



	icnss_stats_show_rejuvenate_info(s, priv);



	icnss_stats_show_events(s, priv);



	icnss_stats_show_state(s, priv);