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path: root/drivers/net/wireless/ath/wil6210/debugfs.c
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Diffstat (limited to 'drivers/net/wireless/ath/wil6210/debugfs.c')
-rw-r--r--drivers/net/wireless/ath/wil6210/debugfs.c70
1 files changed, 49 insertions, 21 deletions
diff --git a/drivers/net/wireless/ath/wil6210/debugfs.c b/drivers/net/wireless/ath/wil6210/debugfs.c
index df2adff6c33a..7a2c3fdeca8c 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);
@@ -811,7 +839,7 @@ 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;
}
@@ -1091,19 +1119,18 @@ 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 +1163,7 @@ 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 +1173,7 @@ 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');
@@ -1262,7 +1290,7 @@ 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;
@@ -1359,7 +1387,7 @@ 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 +1589,7 @@ __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 +1698,7 @@ __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 +1787,7 @@ 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 +1872,7 @@ 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)
@@ -2460,7 +2488,7 @@ 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
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.