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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.c164
1 files changed, 148 insertions, 16 deletions
diff --git a/drivers/net/wireless/ath/wil6210/debugfs.c b/drivers/net/wireless/ath/wil6210/debugfs.c
index 4e6e14501c2f..45c3558ec804 100644
--- a/drivers/net/wireless/ath/wil6210/debugfs.c
+++ b/drivers/net/wireless/ath/wil6210/debugfs.c
@@ -50,6 +50,7 @@ static void wil_print_vring(struct seq_file *s, struct wil6210_priv *wil,
char _s, char _h)
{
void __iomem *x = wmi_addr(wil, vring->hwtail);
+ u32 v;
seq_printf(s, "VRING %s = {\n", name);
seq_printf(s, " pa = %pad\n", &vring->pa);
@@ -58,10 +59,12 @@ static void wil_print_vring(struct seq_file *s, struct wil6210_priv *wil,
seq_printf(s, " swtail = %d\n", vring->swtail);
seq_printf(s, " swhead = %d\n", vring->swhead);
seq_printf(s, " hwtail = [0x%08x] -> ", vring->hwtail);
- if (x)
- seq_printf(s, "0x%08x\n", ioread32(x));
- else
+ if (x) {
+ v = ioread32(x);
+ seq_printf(s, "0x%08x = %d\n", v, v);
+ } else {
seq_puts(s, "???\n");
+ }
if (vring->va && (vring->size < 1025)) {
uint i;
@@ -101,8 +104,8 @@ static int wil_vring_debugfs_show(struct seq_file *s, void *data)
char name[10];
/* performance monitoring */
cycles_t now = get_cycles();
- cycles_t idle = txdata->idle * 100;
- cycles_t total = now - txdata->begin;
+ uint64_t idle = txdata->idle * 100;
+ uint64_t total = now - txdata->begin;
do_div(idle, total);
txdata->begin = now;
@@ -110,9 +113,12 @@ static int wil_vring_debugfs_show(struct seq_file *s, void *data)
snprintf(name, sizeof(name), "tx_%2d", i);
- seq_printf(s, "\n%pM CID %d TID %d [%3d|%3d] idle %3d%%\n",
- wil->sta[cid].addr, cid, tid, used, avail,
- (int)idle);
+ seq_printf(s,
+ "\n%pM CID %d TID %d BACK([%d] %d TU A%s) [%3d|%3d] idle %3d%%\n",
+ wil->sta[cid].addr, cid, tid,
+ txdata->agg_wsize, txdata->agg_timeout,
+ txdata->agg_amsdu ? "+" : "-",
+ used, avail, (int)idle);
wil_print_vring(s, wil, name, vring, '_', 'H');
}
@@ -384,24 +390,67 @@ static int wil6210_debugfs_create_pseudo_ISR(struct wil6210_priv *wil,
return 0;
}
-static const struct dbg_off itr_cnt_off[] = {
+static const struct dbg_off lgc_itr_cnt_off[] = {
{"TRSH", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_CNT_TRSH), doff_io32},
{"DATA", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_CNT_DATA), doff_io32},
{"CTL", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_CNT_CRL), doff_io32},
{},
};
+static const struct dbg_off tx_itr_cnt_off[] = {
+ {"TRSH", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_TX_CNT_TRSH),
+ doff_io32},
+ {"DATA", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_TX_CNT_DATA),
+ doff_io32},
+ {"CTL", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_TX_CNT_CTL),
+ doff_io32},
+ {"IDL_TRSH", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_TX_IDL_CNT_TRSH),
+ doff_io32},
+ {"IDL_DATA", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_TX_IDL_CNT_DATA),
+ doff_io32},
+ {"IDL_CTL", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_TX_IDL_CNT_CTL),
+ doff_io32},
+ {},
+};
+
+static const struct dbg_off rx_itr_cnt_off[] = {
+ {"TRSH", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_RX_CNT_TRSH),
+ doff_io32},
+ {"DATA", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_RX_CNT_DATA),
+ doff_io32},
+ {"CTL", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_RX_CNT_CTL),
+ doff_io32},
+ {"IDL_TRSH", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_RX_IDL_CNT_TRSH),
+ doff_io32},
+ {"IDL_DATA", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_RX_IDL_CNT_DATA),
+ doff_io32},
+ {"IDL_CTL", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_RX_IDL_CNT_CTL),
+ doff_io32},
+ {},
+};
+
static int wil6210_debugfs_create_ITR_CNT(struct wil6210_priv *wil,
struct dentry *parent)
{
- struct dentry *d = debugfs_create_dir("ITR_CNT", parent);
+ 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,
- itr_cnt_off);
+ lgc_itr_cnt_off);
+
+ wil6210_debugfs_init_offset(wil, dtx, (void * __force)wil->csr,
+ tx_itr_cnt_off);
+ wil6210_debugfs_init_offset(wil, drx, (void * __force)wil->csr,
+ rx_itr_cnt_off);
return 0;
}
@@ -558,6 +607,87 @@ static const struct file_operations fops_rxon = {
.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
+ * - "del_rx <CID> <TID> <reason>" to trigger DELBA for Rx side
+ */
+static ssize_t wil_write_back(struct file *file, const char __user *buf,
+ size_t len, loff_t *ppos)
+{
+ struct wil6210_priv *wil = file->private_data;
+ int rc;
+ char *kbuf = kmalloc(len + 1, GFP_KERNEL);
+ char cmd[8];
+ int p1, p2, p3;
+
+ if (!kbuf)
+ return -ENOMEM;
+
+ rc = simple_write_to_buffer(kbuf, len, ppos, buf, len);
+ if (rc != len) {
+ kfree(kbuf);
+ return rc >= 0 ? -EIO : rc;
+ }
+
+ kbuf[len] = '\0';
+ rc = sscanf(kbuf, "%8s %d %d %d", cmd, &p1, &p2, &p3);
+ kfree(kbuf);
+
+ if (rc < 0)
+ return rc;
+ if (rc < 2)
+ return -EINVAL;
+
+ if (0 == strcmp(cmd, "add")) {
+ if (rc < 3) {
+ wil_err(wil, "BACK: add require at least 2 params\n");
+ return -EINVAL;
+ }
+ if (rc < 4)
+ p3 = 0;
+ wmi_addba(wil, p1, p2, p3);
+ } else if (0 == strcmp(cmd, "del_tx")) {
+ if (rc < 3)
+ p2 = WLAN_REASON_QSTA_LEAVE_QBSS;
+ wmi_delba_tx(wil, p1, p2);
+ } else if (0 == strcmp(cmd, "del_rx")) {
+ if (rc < 3) {
+ wil_err(wil,
+ "BACK: del_rx require at least 2 params\n");
+ return -EINVAL;
+ }
+ if (rc < 4)
+ p3 = WLAN_REASON_QSTA_LEAVE_QBSS;
+ wmi_delba_rx(wil, mk_cidxtid(p1, p2), p3);
+ } else {
+ wil_err(wil, "BACK: Unrecognized command \"%s\"\n", cmd);
+ return -EINVAL;
+ }
+
+ return len;
+}
+
+static ssize_t wil_read_back(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ static const char text[] = "block ack control, write:\n"
+ " - \"add <ringid> <agg_size> <timeout>\" to trigger ADDBA\n"
+ "If missing, <timeout> defaults to 0\n"
+ " - \"del_tx <ringid> <reason>\" to trigger DELBA for Tx side\n"
+ " - \"del_rx <CID> <TID> <reason>\" to trigger DELBA for Rx side\n"
+ "If missing, <reason> set to \"STA_LEAVING\" (36)\n";
+
+ return simple_read_from_buffer(user_buf, count, ppos, text,
+ sizeof(text));
+}
+
+static const struct file_operations fops_back = {
+ .read = wil_read_back,
+ .write = wil_write_back,
+ .open = simple_open,
+};
+
/*---tx_mgmt---*/
/* Write mgmt frame to this file to send it */
static ssize_t wil_write_file_txmgmt(struct file *file, const char __user *buf,
@@ -1116,7 +1246,8 @@ static void wil_print_rxtid(struct seq_file *s, struct wil_tid_ampdu_rx *r)
int i;
u16 index = ((r->head_seq_num - r->ssn) & 0xfff) % r->buf_size;
- seq_printf(s, "0x%03x [", r->head_seq_num);
+ seq_printf(s, "([%2d] %3d TU) 0x%03x [", r->buf_size, r->timeout,
+ r->head_seq_num);
for (i = 0; i < r->buf_size; i++) {
if (i == index)
seq_printf(s, "%c", r->reorder_buf[i] ? 'O' : '|');
@@ -1127,10 +1258,10 @@ static void wil_print_rxtid(struct seq_file *s, struct wil_tid_ampdu_rx *r)
}
static int wil_sta_debugfs_show(struct seq_file *s, void *data)
+__acquires(&p->tid_rx_lock) __releases(&p->tid_rx_lock)
{
struct wil6210_priv *wil = s->private;
int i, tid;
- unsigned long flags;
for (i = 0; i < ARRAY_SIZE(wil->sta); i++) {
struct wil_sta_info *p = &wil->sta[i];
@@ -1151,7 +1282,7 @@ static int wil_sta_debugfs_show(struct seq_file *s, void *data)
(p->data_port_open ? " data_port_open" : ""));
if (p->status == wil_sta_connected) {
- spin_lock_irqsave(&p->tid_rx_lock, flags);
+ spin_lock_bh(&p->tid_rx_lock);
for (tid = 0; tid < WIL_STA_TID_NUM; tid++) {
struct wil_tid_ampdu_rx *r = p->tid_rx[tid];
@@ -1160,7 +1291,7 @@ static int wil_sta_debugfs_show(struct seq_file *s, void *data)
wil_print_rxtid(s, r);
}
}
- spin_unlock_irqrestore(&p->tid_rx_lock, flags);
+ spin_unlock_bh(&p->tid_rx_lock);
}
}
@@ -1217,6 +1348,7 @@ static const struct {
{"rxon", S_IWUSR, &fops_rxon},
{"tx_mgmt", S_IWUSR, &fops_txmgmt},
{"wmi_send", S_IWUSR, &fops_wmi},
+ {"back", S_IRUGO | S_IWUSR, &fops_back},
{"temp", S_IRUGO, &fops_temp},
{"freq", S_IRUGO, &fops_freq},
{"link", S_IRUGO, &fops_link},
@@ -1261,7 +1393,7 @@ static void wil6210_debugfs_init_isr(struct wil6210_priv *wil,
/* fields in struct wil6210_priv */
static const struct dbg_off dbg_wil_off[] = {
WIL_FIELD(secure_pcp, S_IRUGO | S_IWUSR, doff_u32),
- WIL_FIELD(status, S_IRUGO | S_IWUSR, doff_ulong),
+ WIL_FIELD(status[0], S_IRUGO | S_IWUSR, doff_ulong),
WIL_FIELD(fw_version, S_IRUGO, doff_u32),
WIL_FIELD(hw_version, S_IRUGO, doff_x32),
WIL_FIELD(recovery_count, S_IRUGO, doff_u32),
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.