1 files changed, 146 insertions, 92 deletions

diff --git a/drivers/net/wireless/ath/wil6210/debugfs.c b/drivers/net/wireless/ath/wil6210/debugfs.c
index df2adff6c33a..74834131cf7c 100644
--- a/drivers/net/wireless/ath/wil6210/debugfs.c
+++ b/drivers/net/wireless/ath/wil6210/debugfs.c
@@ -63,7 +63,9 @@ static void wil_print_desc_edma(struct seq_file *s, struct wil6210_priv *wil,
 			&ring->va[idx].rx.enhanced;
 		u16 buff_id = le16_to_cpu(rx_d->mac.buff_id);
 
-		has_skb = wil->rx_buff_mgmt.buff_arr[buff_id].skb;
+		if (wil->rx_buff_mgmt.buff_arr &&
+		    wil_val_in_range(buff_id, 0, wil->rx_buff_mgmt.size))
+			has_skb = wil->rx_buff_mgmt.buff_arr[buff_id].skb;
 		seq_printf(s, "%c", (has_skb) ? _h : _s);
 	} else {
 		struct wil_tx_enhanced_desc *d =
@@ -71,9 +73,9 @@ static void wil_print_desc_edma(struct seq_file *s, struct wil6210_priv *wil,
 			&ring->va[idx].tx.enhanced;
 
 		num_of_descs = (u8)d->mac.d[2];
-		has_skb = ring->ctx[idx].skb;
+		has_skb = ring->ctx && ring->ctx[idx].skb;
 		if (num_of_descs >= 1)
-			seq_printf(s, "%c", ring->ctx[idx].skb ? _h : _s);
+			seq_printf(s, "%c", has_skb ? _h : _s);
 		else
 			/* num_of_descs == 0, it's a frag in a list of descs */
 			seq_printf(s, "%c", has_skb ? 'h' : _s);
@@ -84,7 +86,7 @@ static void wil_print_ring(struct seq_file *s, struct wil6210_priv *wil,
 			   const char *name, struct wil_ring *ring,
 			   char _s, char _h)
 {
-	void __iomem *x = wmi_addr(wil, ring->hwtail);
+	void __iomem *x;
 	u32 v;
 
 	seq_printf(s, "RING %s = {\n", name);
@@ -96,7 +98,21 @@ static void wil_print_ring(struct seq_file *s, struct wil6210_priv *wil,
 	else
 		seq_printf(s, "  swtail = %d\n", ring->swtail);
 	seq_printf(s, "  swhead = %d\n", ring->swhead);
+	if (wil->use_enhanced_dma_hw) {
+		int ring_id = ring->is_rx ?
+			WIL_RX_DESC_RING_ID : ring - wil->ring_tx;
+		/* SUBQ_CONS is a table of 32 entries, one for each Q pair.
+		 * lower 16bits are for even ring_id and upper 16bits are for
+		 * odd ring_id
+		 */
+		x = wmi_addr(wil, RGF_DMA_SCM_SUBQ_CONS + 4 * (ring_id / 2));
+		v = readl_relaxed(x);
+
+		v = (ring_id % 2 ? (v >> 16) : (v & 0xffff));
+		seq_printf(s, "  hwhead = %u\n", v);
+	}
 	seq_printf(s, "  hwtail = [0x%08x] -> ", ring->hwtail);
+	x = wmi_addr(wil, ring->hwtail);
 	if (x) {
 		v = readl(x);
 		seq_printf(s, "0x%08x = %d\n", v, v);
@@ -162,7 +178,7 @@ static int ring_show(struct seq_file *s, void *data)
 
 			snprintf(name, sizeof(name), "tx_%2d", i);
 
-			if (cid < max_assoc_sta)
+			if (cid < wil->max_assoc_sta)
 				seq_printf(s,
 					   "\n%pM CID %d TID %d 1x%s BACK([%u] %u TU A%s) [%3d|%3d] idle %s\n",
 					   wil->sta[cid].addr, cid, tid,
@@ -188,7 +204,7 @@ DEFINE_SHOW_ATTRIBUTE(ring);
 static void wil_print_sring(struct seq_file *s, struct wil6210_priv *wil,
 			    struct wil_status_ring *sring)
 {
-	void __iomem *x = wmi_addr(wil, sring->hwtail);
+	void __iomem *x;
 	int sring_idx = sring - wil->srings;
 	u32 v;
 
@@ -199,7 +215,19 @@ static void wil_print_sring(struct seq_file *s, struct wil6210_priv *wil,
 	seq_printf(s, "  size   = %d\n", sring->size);
 	seq_printf(s, "  elem_size   = %zu\n", sring->elem_size);
 	seq_printf(s, "  swhead = %d\n", sring->swhead);
+	if (wil->use_enhanced_dma_hw) {
+		/* COMPQ_PROD is a table of 32 entries, one for each Q pair.
+		 * lower 16bits are for even ring_id and upper 16bits are for
+		 * odd ring_id
+		 */
+		x = wmi_addr(wil, RGF_DMA_SCM_COMPQ_PROD + 4 * (sring_idx / 2));
+		v = readl_relaxed(x);
+
+		v = (sring_idx % 2 ? (v >> 16) : (v & 0xffff));
+		seq_printf(s, "  hwhead = %u\n", v);
+	}
 	seq_printf(s, "  hwtail = [0x%08x] -> ", sring->hwtail);
+	x = wmi_addr(wil, sring->hwtail);
 	if (x) {
 		v = readl_relaxed(x);
 		seq_printf(s, "0x%08x = %d\n", v, v);
@@ -394,25 +422,18 @@ static int wil_debugfs_iomem_x32_get(void *data, u64 *val)
 DEFINE_DEBUGFS_ATTRIBUTE(fops_iomem_x32, wil_debugfs_iomem_x32_get,
 			 wil_debugfs_iomem_x32_set, "0x%08llx\n");
 
-static struct dentry *wil_debugfs_create_iomem_x32(const char *name,
-						   umode_t mode,
-						   struct dentry *parent,
-						   void *value,
-						   struct wil6210_priv *wil)
+static void wil_debugfs_create_iomem_x32(const char *name, umode_t mode,
+					 struct dentry *parent, void *value,
+					 struct wil6210_priv *wil)
 {
-	struct dentry *file;
 	struct wil_debugfs_iomem_data *data = &wil->dbg_data.data_arr[
 					      wil->dbg_data.iomem_data_count];
 
 	data->wil = wil;
 	data->offset = value;
 
-	file = debugfs_create_file_unsafe(name, mode, parent, data,
-					  &fops_iomem_x32);
-	if (!IS_ERR_OR_NULL(file))
-		wil->dbg_data.iomem_data_count++;
-
-	return file;
+	debugfs_create_file_unsafe(name, mode, parent, data, &fops_iomem_x32);
+	wil->dbg_data.iomem_data_count++;
 }
 
 static int wil_debugfs_ulong_set(void *data, u64 val)
@@ -430,14 +451,6 @@ static int wil_debugfs_ulong_get(void *data, u64 *val)
 DEFINE_DEBUGFS_ATTRIBUTE(wil_fops_ulong, wil_debugfs_ulong_get,
 			 wil_debugfs_ulong_set, "0x%llx\n");
 
-static struct dentry *wil_debugfs_create_ulong(const char *name, umode_t mode,
-					       struct dentry *parent,
-					       ulong *value)
-{
-	return debugfs_create_file_unsafe(name, mode, parent, value,
-					  &wil_fops_ulong);
-}
-
 /**
  * wil6210_debugfs_init_offset - create set of debugfs files
  * @wil - driver's context, used for printing
@@ -454,37 +467,30 @@ static void wil6210_debugfs_init_offset(struct wil6210_priv *wil,
 	int i;
 
 	for (i = 0; tbl[i].name; i++) {
-		struct dentry *f;
-
 		switch (tbl[i].type) {
 		case doff_u32:
-			f = debugfs_create_u32(tbl[i].name, tbl[i].mode, dbg,
-					       base + tbl[i].off);
+			debugfs_create_u32(tbl[i].name, tbl[i].mode, dbg,
+					   base + tbl[i].off);
 			break;
 		case doff_x32:
-			f = debugfs_create_x32(tbl[i].name, tbl[i].mode, dbg,
-					       base + tbl[i].off);
+			debugfs_create_x32(tbl[i].name, tbl[i].mode, dbg,
+					   base + tbl[i].off);
 			break;
 		case doff_ulong:
-			f = wil_debugfs_create_ulong(tbl[i].name, tbl[i].mode,
-						     dbg, base + tbl[i].off);
+			debugfs_create_file_unsafe(tbl[i].name, tbl[i].mode,
+						   dbg, base + tbl[i].off,
+						   &wil_fops_ulong);
 			break;
 		case doff_io32:
-			f = wil_debugfs_create_iomem_x32(tbl[i].name,
-							 tbl[i].mode, dbg,
-							 base + tbl[i].off,
-							 wil);
+			wil_debugfs_create_iomem_x32(tbl[i].name, tbl[i].mode,
+						     dbg, base + tbl[i].off,
+						     wil);
 			break;
 		case doff_u8:
-			f = debugfs_create_u8(tbl[i].name, tbl[i].mode, dbg,
-					      base + tbl[i].off);
+			debugfs_create_u8(tbl[i].name, tbl[i].mode, dbg,
+					  base + tbl[i].off);
 			break;
-		default:
-			f = ERR_PTR(-EINVAL);
 		}
-		if (IS_ERR_OR_NULL(f))
-			wil_err(wil, "Create file \"%s\": err %ld\n",
-				tbl[i].name, PTR_ERR(f));
 	}
 }
 
@@ -499,19 +505,14 @@ static const struct dbg_off isr_off[] = {
 	{},
 };
 
-static int wil6210_debugfs_create_ISR(struct wil6210_priv *wil,
-				      const char *name,
-				      struct dentry *parent, u32 off)
+static void wil6210_debugfs_create_ISR(struct wil6210_priv *wil,
+				       const char *name, struct dentry *parent,
+				       u32 off)
 {
 	struct dentry *d = debugfs_create_dir(name, parent);
 
-	if (IS_ERR_OR_NULL(d))
-		return -ENODEV;
-
 	wil6210_debugfs_init_offset(wil, d, (void * __force)wil->csr + off,
 				    isr_off);
-
-	return 0;
 }
 
 static const struct dbg_off pseudo_isr_off[] = {
@@ -521,18 +522,13 @@ static const struct dbg_off pseudo_isr_off[] = {
 	{},
 };
 
-static int wil6210_debugfs_create_pseudo_ISR(struct wil6210_priv *wil,
-					     struct dentry *parent)
+static void wil6210_debugfs_create_pseudo_ISR(struct wil6210_priv *wil,
+					      struct dentry *parent)
 {
 	struct dentry *d = debugfs_create_dir("PSEUDO_ISR", parent);
 
-	if (IS_ERR_OR_NULL(d))
-		return -ENODEV;
-
 	wil6210_debugfs_init_offset(wil, d, (void * __force)wil->csr,
 				    pseudo_isr_off);
-
-	return 0;
 }
 
 static const struct dbg_off lgc_itr_cnt_off[] = {
@@ -580,13 +576,9 @@ static int wil6210_debugfs_create_ITR_CNT(struct wil6210_priv *wil,
 	struct dentry *d, *dtx, *drx;
 
 	d = debugfs_create_dir("ITR_CNT", parent);
-	if (IS_ERR_OR_NULL(d))
-		return -ENODEV;
 
 	dtx = debugfs_create_dir("TX", d);
 	drx = debugfs_create_dir("RX", d);
-	if (IS_ERR_OR_NULL(dtx) || IS_ERR_OR_NULL(drx))
-		return -ENODEV;
 
 	wil6210_debugfs_init_offset(wil, d, (void * __force)wil->csr,
 				    lgc_itr_cnt_off);
@@ -749,6 +741,44 @@ static const struct file_operations fops_rxon = {
 	.open  = simple_open,
 };
 
+static ssize_t wil_write_file_rbufcap(struct file *file,
+				      const char __user *buf,
+				      size_t count, loff_t *ppos)
+{
+	struct wil6210_priv *wil = file->private_data;
+	int val;
+	int rc;
+
+	rc = kstrtoint_from_user(buf, count, 0, &val);
+	if (rc) {
+		wil_err(wil, "Invalid argument\n");
+		return rc;
+	}
+	/* input value: negative to disable, 0 to use system default,
+	 * 1..ring size to set descriptor threshold
+	 */
+	wil_info(wil, "%s RBUFCAP, descriptors threshold - %d\n",
+		 val < 0 ? "Disabling" : "Enabling", val);
+
+	if (!wil->ring_rx.va || val > wil->ring_rx.size) {
+		wil_err(wil, "Invalid descriptors threshold, %d\n", val);
+		return -EINVAL;
+	}
+
+	rc = wmi_rbufcap_cfg(wil, val < 0 ? 0 : 1, val < 0 ? 0 : val);
+	if (rc) {
+		wil_err(wil, "RBUFCAP config failed: %d\n", rc);
+		return rc;
+	}
+
+	return count;
+}
+
+static const struct file_operations fops_rbufcap = {
+	.write = wil_write_file_rbufcap,
+	.open  = simple_open,
+};
+
 /* block ack control, write:
  * - "add <ringid> <agg_size> <timeout>" to trigger ADDBA
  * - "del_tx <ringid> <reason>" to trigger DELBA for Tx side
@@ -811,7 +841,7 @@ static ssize_t wil_write_back(struct file *file, const char __user *buf,
 				"BACK: del_rx require at least 2 params\n");
 			return -EINVAL;
 		}
-		if (p1 < 0 || p1 >= max_assoc_sta) {
+		if (p1 < 0 || p1 >= wil->max_assoc_sta) {
 			wil_err(wil, "BACK: invalid CID %d\n", p1);
 			return -EINVAL;
 		}
@@ -910,9 +940,8 @@ static ssize_t wil_read_pmccfg(struct file *file, char __user *user_buf,
 	" - \"alloc <num descriptors> <descriptor_size>\" to allocate pmc\n"
 	" - \"free\" to free memory allocated for pmc\n";
 
-	sprintf(text, "Last command status: %d\n\n%s",
-		wil_pmc_last_cmd_status(wil),
-		help);
+	snprintf(text, sizeof(text), "Last command status: %d\n\n%s",
+		 wil_pmc_last_cmd_status(wil), help);
 
 	return simple_read_from_buffer(user_buf, count, ppos, text,
 				       strlen(text) + 1);
@@ -1091,19 +1120,18 @@ static int txdesc_show(struct seq_file *s, void *data)
 
 	if (wil->use_enhanced_dma_hw) {
 		if (tx) {
-			skb = ring->ctx[txdesc_idx].skb;
-		} else {
+			skb = ring->ctx ? ring->ctx[txdesc_idx].skb : NULL;
+		} else if (wil->rx_buff_mgmt.buff_arr) {
 			struct wil_rx_enhanced_desc *rx_d =
 				(struct wil_rx_enhanced_desc *)
 				&ring->va[txdesc_idx].rx.enhanced;
 			u16 buff_id = le16_to_cpu(rx_d->mac.buff_id);
 
 			if (!wil_val_in_range(buff_id, 0,
-					      wil->rx_buff_mgmt.size)) {
+					      wil->rx_buff_mgmt.size))
 				seq_printf(s, "invalid buff_id %d\n", buff_id);
-				return 0;
-			}
-			skb = wil->rx_buff_mgmt.buff_arr[buff_id].skb;
+			else
+				skb = wil->rx_buff_mgmt.buff_arr[buff_id].skb;
 		}
 	} else {
 		skb = ring->ctx[txdesc_idx].skb;
@@ -1136,7 +1164,7 @@ static int status_msg_show(struct seq_file *s, void *data)
 	struct wil6210_priv *wil = s->private;
 	int sring_idx = dbg_sring_index;
 	struct wil_status_ring *sring;
-	bool tx = sring_idx == wil->tx_sring_idx ? 1 : 0;
+	bool tx;
 	u32 status_msg_idx = dbg_status_msg_index;
 	u32 *u;
 
@@ -1146,6 +1174,7 @@ static int status_msg_show(struct seq_file *s, void *data)
 	}
 
 	sring = &wil->srings[sring_idx];
+	tx = !sring->is_rx;
 
 	if (!sring->va) {
 		seq_printf(s, "No %cX status ring\n", tx ? 'T' : 'R');
@@ -1262,14 +1291,14 @@ static int bf_show(struct seq_file *s, void *data)
 
 	memset(&reply, 0, sizeof(reply));
 
-	for (i = 0; i < max_assoc_sta; i++) {
+	for (i = 0; i < wil->max_assoc_sta; i++) {
 		u32 status;
 
 		cmd.cid = i;
 		rc = wmi_call(wil, WMI_NOTIFY_REQ_CMDID, vif->mid,
 			      &cmd, sizeof(cmd),
 			      WMI_NOTIFY_REQ_DONE_EVENTID, &reply,
-			      sizeof(reply), 20);
+			      sizeof(reply), WIL_WMI_CALL_GENERAL_TO_MS);
 		/* if reply is all-0, ignore this CID */
 		if (rc || is_all_zeros(&reply.evt, sizeof(reply.evt)))
 			continue;
@@ -1307,7 +1336,7 @@ static void print_temp(struct seq_file *s, const char *prefix, s32 t)
 {
 	switch (t) {
 	case 0:
-	case ~(u32)0:
+	case WMI_INVALID_TEMPERATURE:
 		seq_printf(s, "%s N/A\n", prefix);
 	break;
 	default:
@@ -1320,17 +1349,41 @@ static void print_temp(struct seq_file *s, const char *prefix, s32 t)
 static int temp_show(struct seq_file *s, void *data)
 {
 	struct wil6210_priv *wil = s->private;
-	s32 t_m, t_r;
-	int rc = wmi_get_temperature(wil, &t_m, &t_r);
+	int rc, i;
 
-	if (rc) {
-		seq_puts(s, "Failed\n");
-		return 0;
-	}
+	if (test_bit(WMI_FW_CAPABILITY_TEMPERATURE_ALL_RF,
+		     wil->fw_capabilities)) {
+		struct wmi_temp_sense_all_done_event sense_all_evt;
 
-	print_temp(s, "T_mac   =", t_m);
-	print_temp(s, "T_radio =", t_r);
+		wil_dbg_misc(wil,
+			     "WMI_FW_CAPABILITY_TEMPERATURE_ALL_RF is supported");
+		rc = wmi_get_all_temperatures(wil, &sense_all_evt);
+		if (rc) {
+			seq_puts(s, "Failed\n");
+			return 0;
+		}
+		print_temp(s, "T_mac   =",
+			   le32_to_cpu(sense_all_evt.baseband_t1000));
+		seq_printf(s, "Connected RFs [0x%08x]\n",
+			   sense_all_evt.rf_bitmap);
+		for (i = 0; i < WMI_MAX_XIF_PORTS_NUM; i++) {
+			seq_printf(s, "RF[%d]   = ", i);
+			print_temp(s, "",
+				   le32_to_cpu(sense_all_evt.rf_t1000[i]));
+		}
+	} else {
+		s32 t_m, t_r;
 
+		wil_dbg_misc(wil,
+			     "WMI_FW_CAPABILITY_TEMPERATURE_ALL_RF is not supported");
+		rc = wmi_get_temperature(wil, &t_m, &t_r);
+		if (rc) {
+			seq_puts(s, "Failed\n");
+			return 0;
+		}
+		print_temp(s, "T_mac   =", t_m);
+		print_temp(s, "T_radio =", t_r);
+	}
 	return 0;
 }
 DEFINE_SHOW_ATTRIBUTE(temp);
@@ -1359,7 +1412,7 @@ static int link_show(struct seq_file *s, void *data)
 	if (!sinfo)
 		return -ENOMEM;
 
-	for (i = 0; i < max_assoc_sta; i++) {
+	for (i = 0; i < wil->max_assoc_sta; i++) {
 		struct wil_sta_info *p = &wil->sta[i];
 		char *status = "unknown";
 		struct wil6210_vif *vif;
@@ -1561,7 +1614,7 @@ __acquires(&p->tid_rx_lock) __releases(&p->tid_rx_lock)
 	struct wil6210_priv *wil = s->private;
 	int i, tid, mcs;
 
-	for (i = 0; i < max_assoc_sta; i++) {
+	for (i = 0; i < wil->max_assoc_sta; i++) {
 		struct wil_sta_info *p = &wil->sta[i];
 		char *status = "unknown";
 		u8 aid = 0;
@@ -1670,7 +1723,7 @@ __acquires(&p->tid_rx_lock) __releases(&p->tid_rx_lock)
 	struct wil6210_priv *wil = s->private;
 	int i, bin;
 
-	for (i = 0; i < max_assoc_sta; i++) {
+	for (i = 0; i < wil->max_assoc_sta; i++) {
 		struct wil_sta_info *p = &wil->sta[i];
 		char *status = "unknown";
 		u8 aid = 0;
@@ -1759,7 +1812,7 @@ static ssize_t wil_tx_latency_write(struct file *file, const char __user *buf,
 		size_t sz = sizeof(u64) * WIL_NUM_LATENCY_BINS;
 
 		wil->tx_latency_res = val;
-		for (i = 0; i < max_assoc_sta; i++) {
+		for (i = 0; i < wil->max_assoc_sta; i++) {
 			struct wil_sta_info *sta = &wil->sta[i];
 
 			kfree(sta->tx_latency_bins);
@@ -1844,7 +1897,7 @@ static void wil_link_stats_debugfs_show_vif(struct wil6210_vif *vif,
 	}
 
 	seq_printf(s, "TSF %lld\n", vif->fw_stats_tsf);
-	for (i = 0; i < max_assoc_sta; i++) {
+	for (i = 0; i < wil->max_assoc_sta; i++) {
 		if (wil->sta[i].status == wil_sta_unused)
 			continue;
 		if (wil->sta[i].mid != vif->mid)
@@ -2336,6 +2389,7 @@ static const struct {
 	{"tx_latency",	0644,		&fops_tx_latency},
 	{"link_stats",	0644,		&fops_link_stats},
 	{"link_stats_global",	0644,	&fops_link_stats_global},
+	{"rbufcap",	0244,		&fops_rbufcap},
 };
 
 static void wil6210_debugfs_init_files(struct wil6210_priv *wil,
@@ -2460,7 +2514,7 @@ void wil6210_debugfs_remove(struct wil6210_priv *wil)
 	wil->debug = NULL;
 
 	kfree(wil->dbg_data.data_arr);
-	for (i = 0; i < max_assoc_sta; i++)
+	for (i = 0; i < wil->max_assoc_sta; i++)
 		kfree(wil->sta[i].tx_latency_bins);
 
 	/* free pmc memory without sending command to fw, as it will