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Diffstat (limited to 'drivers/net/wireless/ath/wil6210/debugfs.c')
-rw-r--r--drivers/net/wireless/ath/wil6210/debugfs.c1820
1 files changed, 1820 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/wil6210/debugfs.c b/drivers/net/wireless/ath/wil6210/debugfs.c
new file mode 100644
index 0000000..6db00c1
--- /dev/null
+++ b/drivers/net/wireless/ath/wil6210/debugfs.c
@@ -0,0 +1,1820 @@
+/*
+ * Copyright (c) 2012-2017 Qualcomm Atheros, Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <linux/module.h>
+#include <linux/debugfs.h>
+#include <linux/seq_file.h>
+#include <linux/pci.h>
+#include <linux/rtnetlink.h>
+#include <linux/power_supply.h>
+#include "wil6210.h"
+#include "wmi.h"
+#include "txrx.h"
+#include "pmc.h"
+
+/* Nasty hack. Better have per device instances */
+static u32 mem_addr;
+static u32 dbg_txdesc_index;
+static u32 dbg_vring_index; /* 24+ for Rx, 0..23 for Tx */
+
+enum dbg_off_type {
+ doff_u32 = 0,
+ doff_x32 = 1,
+ doff_ulong = 2,
+ doff_io32 = 3,
+ doff_u8 = 4
+};
+
+/* offset to "wil" */
+struct dbg_off {
+ const char *name;
+ umode_t mode;
+ ulong off;
+ enum dbg_off_type type;
+};
+
+static void wil_print_vring(struct seq_file *s, struct wil6210_priv *wil,
+ const char *name, struct vring *vring,
+ 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);
+ seq_printf(s, " va = 0x%p\n", vring->va);
+ seq_printf(s, " size = %d\n", vring->size);
+ 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) {
+ v = readl(x);
+ seq_printf(s, "0x%08x = %d\n", v, v);
+ } else {
+ seq_puts(s, "???\n");
+ }
+
+ if (vring->va && (vring->size <= (1 << WIL_RING_SIZE_ORDER_MAX))) {
+ uint i;
+
+ for (i = 0; i < vring->size; i++) {
+ volatile struct vring_tx_desc *d = &vring->va[i].tx;
+
+ if ((i % 128) == 0 && (i != 0))
+ seq_puts(s, "\n");
+ seq_printf(s, "%c", (d->dma.status & BIT(0)) ?
+ _s : (vring->ctx[i].skb ? _h : 'h'));
+ }
+ seq_puts(s, "\n");
+ }
+ seq_puts(s, "}\n");
+}
+
+static int wil_vring_debugfs_show(struct seq_file *s, void *data)
+{
+ uint i;
+ struct wil6210_priv *wil = s->private;
+
+ wil_print_vring(s, wil, "rx", &wil->vring_rx, 'S', '_');
+
+ for (i = 0; i < ARRAY_SIZE(wil->vring_tx); i++) {
+ struct vring *vring = &wil->vring_tx[i];
+ struct vring_tx_data *txdata = &wil->vring_tx_data[i];
+
+ if (vring->va) {
+ int cid = wil->vring2cid_tid[i][0];
+ int tid = wil->vring2cid_tid[i][1];
+ u32 swhead = vring->swhead;
+ u32 swtail = vring->swtail;
+ int used = (vring->size + swhead - swtail)
+ % vring->size;
+ int avail = vring->size - used - 1;
+ char name[10];
+ char sidle[10];
+ /* performance monitoring */
+ cycles_t now = get_cycles();
+ uint64_t idle = txdata->idle * 100;
+ uint64_t total = now - txdata->begin;
+
+ if (total != 0) {
+ do_div(idle, total);
+ snprintf(sidle, sizeof(sidle), "%3d%%",
+ (int)idle);
+ } else {
+ snprintf(sidle, sizeof(sidle), "N/A");
+ }
+ txdata->begin = now;
+ txdata->idle = 0ULL;
+
+ snprintf(name, sizeof(name), "tx_%2d", i);
+
+ if (cid < WIL6210_MAX_CID)
+ 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,
+ txdata->dot1x_open ? "+" : "-",
+ txdata->agg_wsize,
+ txdata->agg_timeout,
+ txdata->agg_amsdu ? "+" : "-",
+ used, avail, sidle);
+ else
+ seq_printf(s,
+ "\nBroadcast 1x%s [%3d|%3d] idle %s\n",
+ txdata->dot1x_open ? "+" : "-",
+ used, avail, sidle);
+
+ wil_print_vring(s, wil, name, vring, '_', 'H');
+ }
+ }
+
+ return 0;
+}
+
+static int wil_vring_seq_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, wil_vring_debugfs_show, inode->i_private);
+}
+
+static const struct file_operations fops_vring = {
+ .open = wil_vring_seq_open,
+ .release = single_release,
+ .read = seq_read,
+ .llseek = seq_lseek,
+};
+
+static void wil_seq_hexdump(struct seq_file *s, void *p, int len,
+ const char *prefix)
+{
+ seq_hex_dump(s, prefix, DUMP_PREFIX_NONE, 16, 1, p, len, false);
+}
+
+static void wil_print_ring(struct seq_file *s, const char *prefix,
+ void __iomem *off)
+{
+ struct wil6210_priv *wil = s->private;
+ struct wil6210_mbox_ring r;
+ int rsize;
+ uint i;
+
+ wil_halp_vote(wil);
+
+ wil_memcpy_fromio_32(&r, off, sizeof(r));
+ wil_mbox_ring_le2cpus(&r);
+ /*
+ * we just read memory block from NIC. This memory may be
+ * garbage. Check validity before using it.
+ */
+ rsize = r.size / sizeof(struct wil6210_mbox_ring_desc);
+
+ seq_printf(s, "ring %s = {\n", prefix);
+ seq_printf(s, " base = 0x%08x\n", r.base);
+ seq_printf(s, " size = 0x%04x bytes -> %d entries\n", r.size, rsize);
+ seq_printf(s, " tail = 0x%08x\n", r.tail);
+ seq_printf(s, " head = 0x%08x\n", r.head);
+ seq_printf(s, " entry size = %d\n", r.entry_size);
+
+ if (r.size % sizeof(struct wil6210_mbox_ring_desc)) {
+ seq_printf(s, " ??? size is not multiple of %zd, garbage?\n",
+ sizeof(struct wil6210_mbox_ring_desc));
+ goto out;
+ }
+
+ if (!wmi_addr(wil, r.base) ||
+ !wmi_addr(wil, r.tail) ||
+ !wmi_addr(wil, r.head)) {
+ seq_puts(s, " ??? pointers are garbage?\n");
+ goto out;
+ }
+
+ for (i = 0; i < rsize; i++) {
+ struct wil6210_mbox_ring_desc d;
+ struct wil6210_mbox_hdr hdr;
+ size_t delta = i * sizeof(d);
+ void __iomem *x = wil->csr + HOSTADDR(r.base) + delta;
+
+ wil_memcpy_fromio_32(&d, x, sizeof(d));
+
+ seq_printf(s, " [%2x] %s %s%s 0x%08x", i,
+ d.sync ? "F" : "E",
+ (r.tail - r.base == delta) ? "t" : " ",
+ (r.head - r.base == delta) ? "h" : " ",
+ le32_to_cpu(d.addr));
+ if (0 == wmi_read_hdr(wil, d.addr, &hdr)) {
+ u16 len = le16_to_cpu(hdr.len);
+
+ seq_printf(s, " -> %04x %04x %04x %02x\n",
+ le16_to_cpu(hdr.seq), len,
+ le16_to_cpu(hdr.type), hdr.flags);
+ if (len <= MAX_MBOXITEM_SIZE) {
+ unsigned char databuf[MAX_MBOXITEM_SIZE];
+ void __iomem *src = wmi_buffer(wil, d.addr) +
+ sizeof(struct wil6210_mbox_hdr);
+ /*
+ * No need to check @src for validity -
+ * we already validated @d.addr while
+ * reading header
+ */
+ wil_memcpy_fromio_32(databuf, src, len);
+ wil_seq_hexdump(s, databuf, len, " : ");
+ }
+ } else {
+ seq_puts(s, "\n");
+ }
+ }
+ out:
+ seq_puts(s, "}\n");
+ wil_halp_unvote(wil);
+}
+
+static int wil_mbox_debugfs_show(struct seq_file *s, void *data)
+{
+ struct wil6210_priv *wil = s->private;
+
+ wil_print_ring(s, "tx", wil->csr + HOST_MBOX +
+ offsetof(struct wil6210_mbox_ctl, tx));
+ wil_print_ring(s, "rx", wil->csr + HOST_MBOX +
+ offsetof(struct wil6210_mbox_ctl, rx));
+
+ return 0;
+}
+
+static int wil_mbox_seq_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, wil_mbox_debugfs_show, inode->i_private);
+}
+
+static const struct file_operations fops_mbox = {
+ .open = wil_mbox_seq_open,
+ .release = single_release,
+ .read = seq_read,
+ .llseek = seq_lseek,
+};
+
+static int wil_debugfs_iomem_x32_set(void *data, u64 val)
+{
+ writel(val, (void __iomem *)data);
+ wmb(); /* make sure write propagated to HW */
+
+ return 0;
+}
+
+static int wil_debugfs_iomem_x32_get(void *data, u64 *val)
+{
+ *val = readl((void __iomem *)data);
+
+ return 0;
+}
+
+DEFINE_SIMPLE_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)
+{
+ return debugfs_create_file(name, mode, parent, value,
+ &fops_iomem_x32);
+}
+
+static int wil_debugfs_ulong_set(void *data, u64 val)
+{
+ *(ulong *)data = val;
+ return 0;
+}
+
+static int wil_debugfs_ulong_get(void *data, u64 *val)
+{
+ *val = *(ulong *)data;
+ return 0;
+}
+
+DEFINE_SIMPLE_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(name, mode, parent, value, &wil_fops_ulong);
+}
+
+/**
+ * wil6210_debugfs_init_offset - create set of debugfs files
+ * @wil - driver's context, used for printing
+ * @dbg - directory on the debugfs, where files will be created
+ * @base - base address used in address calculation
+ * @tbl - table with file descriptions. Should be terminated with empty element.
+ *
+ * Creates files accordingly to the @tbl.
+ */
+static void wil6210_debugfs_init_offset(struct wil6210_priv *wil,
+ struct dentry *dbg, void *base,
+ const struct dbg_off * const tbl)
+{
+ 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);
+ break;
+ case doff_x32:
+ f = 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);
+ break;
+ case doff_io32:
+ f = wil_debugfs_create_iomem_x32(tbl[i].name,
+ tbl[i].mode, dbg,
+ base + tbl[i].off);
+ break;
+ case doff_u8:
+ f = 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));
+ }
+}
+
+static const struct dbg_off isr_off[] = {
+ {"ICC", 0644, offsetof(struct RGF_ICR, ICC), doff_io32},
+ {"ICR", 0644, offsetof(struct RGF_ICR, ICR), doff_io32},
+ {"ICM", 0644, offsetof(struct RGF_ICR, ICM), doff_io32},
+ {"ICS", 0244, offsetof(struct RGF_ICR, ICS), doff_io32},
+ {"IMV", 0644, offsetof(struct RGF_ICR, IMV), doff_io32},
+ {"IMS", 0244, offsetof(struct RGF_ICR, IMS), doff_io32},
+ {"IMC", 0244, offsetof(struct RGF_ICR, IMC), doff_io32},
+ {},
+};
+
+static int 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[] = {
+ {"CAUSE", 0444, HOSTADDR(RGF_DMA_PSEUDO_CAUSE), doff_io32},
+ {"MASK_SW", 0444, HOSTADDR(RGF_DMA_PSEUDO_CAUSE_MASK_SW), doff_io32},
+ {"MASK_FW", 0444, HOSTADDR(RGF_DMA_PSEUDO_CAUSE_MASK_FW), doff_io32},
+ {},
+};
+
+static int 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[] = {
+ {"TRSH", 0644, HOSTADDR(RGF_DMA_ITR_CNT_TRSH), doff_io32},
+ {"DATA", 0644, HOSTADDR(RGF_DMA_ITR_CNT_DATA), doff_io32},
+ {"CTL", 0644, HOSTADDR(RGF_DMA_ITR_CNT_CRL), doff_io32},
+ {},
+};
+
+static const struct dbg_off tx_itr_cnt_off[] = {
+ {"TRSH", 0644, HOSTADDR(RGF_DMA_ITR_TX_CNT_TRSH),
+ doff_io32},
+ {"DATA", 0644, HOSTADDR(RGF_DMA_ITR_TX_CNT_DATA),
+ doff_io32},
+ {"CTL", 0644, HOSTADDR(RGF_DMA_ITR_TX_CNT_CTL),
+ doff_io32},
+ {"IDL_TRSH", 0644, HOSTADDR(RGF_DMA_ITR_TX_IDL_CNT_TRSH),
+ doff_io32},
+ {"IDL_DATA", 0644, HOSTADDR(RGF_DMA_ITR_TX_IDL_CNT_DATA),
+ doff_io32},
+ {"IDL_CTL", 0644, HOSTADDR(RGF_DMA_ITR_TX_IDL_CNT_CTL),
+ doff_io32},
+ {},
+};
+
+static const struct dbg_off rx_itr_cnt_off[] = {
+ {"TRSH", 0644, HOSTADDR(RGF_DMA_ITR_RX_CNT_TRSH),
+ doff_io32},
+ {"DATA", 0644, HOSTADDR(RGF_DMA_ITR_RX_CNT_DATA),
+ doff_io32},
+ {"CTL", 0644, HOSTADDR(RGF_DMA_ITR_RX_CNT_CTL),
+ doff_io32},
+ {"IDL_TRSH", 0644, HOSTADDR(RGF_DMA_ITR_RX_IDL_CNT_TRSH),
+ doff_io32},
+ {"IDL_DATA", 0644, HOSTADDR(RGF_DMA_ITR_RX_IDL_CNT_DATA),
+ doff_io32},
+ {"IDL_CTL", 0644, 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, *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);
+
+ 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;
+}
+
+static int wil_memread_debugfs_show(struct seq_file *s, void *data)
+{
+ struct wil6210_priv *wil = s->private;
+ void __iomem *a = wmi_buffer(wil, cpu_to_le32(mem_addr));
+
+ if (a)
+ seq_printf(s, "[0x%08x] = 0x%08x\n", mem_addr, readl(a));
+ else
+ seq_printf(s, "[0x%08x] = INVALID\n", mem_addr);
+
+ return 0;
+}
+
+static int wil_memread_seq_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, wil_memread_debugfs_show, inode->i_private);
+}
+
+static const struct file_operations fops_memread = {
+ .open = wil_memread_seq_open,
+ .release = single_release,
+ .read = seq_read,
+ .llseek = seq_lseek,
+};
+
+static ssize_t wil_read_file_ioblob(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ enum { max_count = 4096 };
+ struct wil_blob_wrapper *wil_blob = file->private_data;
+ loff_t pos = *ppos;
+ size_t available = wil_blob->blob.size;
+ void *buf;
+ size_t ret;
+
+ if (test_bit(wil_status_suspending, wil_blob->wil->status) ||
+ test_bit(wil_status_suspended, wil_blob->wil->status))
+ return 0;
+
+ if (pos < 0)
+ return -EINVAL;
+
+ if (pos >= available || !count)
+ return 0;
+
+ if (count > available - pos)
+ count = available - pos;
+ if (count > max_count)
+ count = max_count;
+
+ buf = kmalloc(count, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+
+ wil_memcpy_fromio_32(buf, (const void __iomem *)
+ wil_blob->blob.data + pos, count);
+
+ ret = copy_to_user(user_buf, buf, count);
+ kfree(buf);
+ if (ret == count)
+ return -EFAULT;
+
+ count -= ret;
+ *ppos = pos + count;
+
+ return count;
+}
+
+static const struct file_operations fops_ioblob = {
+ .read = wil_read_file_ioblob,
+ .open = simple_open,
+ .llseek = default_llseek,
+};
+
+static
+struct dentry *wil_debugfs_create_ioblob(const char *name,
+ umode_t mode,
+ struct dentry *parent,
+ struct wil_blob_wrapper *wil_blob)
+{
+ return debugfs_create_file(name, mode, parent, wil_blob, &fops_ioblob);
+}
+
+/*---reset---*/
+static ssize_t wil_write_file_reset(struct file *file, const char __user *buf,
+ size_t len, loff_t *ppos)
+{
+ struct wil6210_priv *wil = file->private_data;
+ struct net_device *ndev = wil_to_ndev(wil);
+
+ /**
+ * BUG:
+ * this code does NOT sync device state with the rest of system
+ * use with care, debug only!!!
+ */
+ rtnl_lock();
+ dev_close(ndev);
+ ndev->flags &= ~IFF_UP;
+ rtnl_unlock();
+ wil_reset(wil, true);
+
+ return len;
+}
+
+static const struct file_operations fops_reset = {
+ .write = wil_write_file_reset,
+ .open = simple_open,
+};
+
+/*---write channel 1..4 to rxon for it, 0 to rxoff---*/
+static ssize_t wil_write_file_rxon(struct file *file, const char __user *buf,
+ size_t len, loff_t *ppos)
+{
+ struct wil6210_priv *wil = file->private_data;
+ int rc;
+ long channel;
+ bool on;
+
+ char *kbuf = memdup_user_nul(buf, len);
+
+ if (IS_ERR(kbuf))
+ return PTR_ERR(kbuf);
+ rc = kstrtol(kbuf, 0, &channel);
+ kfree(kbuf);
+ if (rc)
+ return rc;
+
+ if ((channel < 0) || (channel > 4)) {
+ wil_err(wil, "Invalid channel %ld\n", channel);
+ return -EINVAL;
+ }
+ on = !!channel;
+
+ if (on) {
+ rc = wmi_set_channel(wil, (int)channel);
+ if (rc)
+ return rc;
+ }
+
+ rc = wmi_rxon(wil, on);
+ if (rc)
+ return rc;
+
+ return len;
+}
+
+static const struct file_operations fops_rxon = {
+ .write = wil_write_file_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[9];
+ 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,
+};
+
+/* pmc control, write:
+ * - "alloc <num descriptors> <descriptor_size>" to allocate PMC
+ * - "free" to release memory allocated for PMC
+ */
+static ssize_t wil_write_pmccfg(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[9];
+ int num_descs, desc_size;
+
+ 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", cmd, &num_descs, &desc_size);
+ kfree(kbuf);
+
+ if (rc < 0)
+ return rc;
+
+ if (rc < 1) {
+ wil_err(wil, "pmccfg: no params given\n");
+ return -EINVAL;
+ }
+
+ if (0 == strcmp(cmd, "alloc")) {
+ if (rc != 3) {
+ wil_err(wil, "pmccfg: alloc requires 2 params\n");
+ return -EINVAL;
+ }
+ wil_pmc_alloc(wil, num_descs, desc_size);
+ } else if (0 == strcmp(cmd, "free")) {
+ if (rc != 1) {
+ wil_err(wil, "pmccfg: free does not have any params\n");
+ return -EINVAL;
+ }
+ wil_pmc_free(wil, true);
+ } else {
+ wil_err(wil, "pmccfg: Unrecognized command \"%s\"\n", cmd);
+ return -EINVAL;
+ }
+
+ return len;
+}
+
+static ssize_t wil_read_pmccfg(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct wil6210_priv *wil = file->private_data;
+ char text[256];
+ char help[] = "pmc control, write:\n"
+ " - \"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);
+
+ return simple_read_from_buffer(user_buf, count, ppos, text,
+ strlen(text) + 1);
+}
+
+static const struct file_operations fops_pmccfg = {
+ .read = wil_read_pmccfg,
+ .write = wil_write_pmccfg,
+ .open = simple_open,
+};
+
+static const struct file_operations fops_pmcdata = {
+ .open = simple_open,
+ .read = wil_pmc_read,
+ .llseek = wil_pmc_llseek,
+};
+
+/*---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,
+ size_t len, loff_t *ppos)
+{
+ struct wil6210_priv *wil = file->private_data;
+ struct wiphy *wiphy = wil_to_wiphy(wil);
+ struct wireless_dev *wdev = wil_to_wdev(wil);
+ struct cfg80211_mgmt_tx_params params;
+ int rc;
+ void *frame;
+
+ if (!len)
+ return -EINVAL;
+
+ frame = memdup_user(buf, len);
+ if (IS_ERR(frame))
+ return PTR_ERR(frame);
+
+ params.buf = frame;
+ params.len = len;
+ params.chan = wdev->preset_chandef.chan;
+
+ rc = wil_cfg80211_mgmt_tx(wiphy, wdev, &params, NULL);
+
+ kfree(frame);
+ wil_info(wil, "-> %d\n", rc);
+
+ return len;
+}
+
+static const struct file_operations fops_txmgmt = {
+ .write = wil_write_file_txmgmt,
+ .open = simple_open,
+};
+
+/* Write WMI command (w/o mbox header) to this file to send it
+ * WMI starts from wil6210_mbox_hdr_wmi header
+ */
+static ssize_t wil_write_file_wmi(struct file *file, const char __user *buf,
+ size_t len, loff_t *ppos)
+{
+ struct wil6210_priv *wil = file->private_data;
+ struct wmi_cmd_hdr *wmi;
+ void *cmd;
+ int cmdlen = len - sizeof(struct wmi_cmd_hdr);
+ u16 cmdid;
+ int rc, rc1;
+
+ if (cmdlen < 0)
+ return -EINVAL;
+
+ wmi = kmalloc(len, GFP_KERNEL);
+ if (!wmi)
+ return -ENOMEM;
+
+ rc = simple_write_to_buffer(wmi, len, ppos, buf, len);
+ if (rc < 0) {
+ kfree(wmi);
+ return rc;
+ }
+
+ cmd = (cmdlen > 0) ? &wmi[1] : NULL;
+ cmdid = le16_to_cpu(wmi->command_id);
+
+ rc1 = wmi_send(wil, cmdid, cmd, cmdlen);
+ kfree(wmi);
+
+ wil_info(wil, "0x%04x[%d] -> %d\n", cmdid, cmdlen, rc1);
+
+ return rc;
+}
+
+static const struct file_operations fops_wmi = {
+ .write = wil_write_file_wmi,
+ .open = simple_open,
+};
+
+static void wil_seq_print_skb(struct seq_file *s, struct sk_buff *skb)
+{
+ int i = 0;
+ int len = skb_headlen(skb);
+ void *p = skb->data;
+ int nr_frags = skb_shinfo(skb)->nr_frags;
+
+ seq_printf(s, " len = %d\n", len);
+ wil_seq_hexdump(s, p, len, " : ");
+
+ if (nr_frags) {
+ seq_printf(s, " nr_frags = %d\n", nr_frags);
+ for (i = 0; i < nr_frags; i++) {
+ const struct skb_frag_struct *frag =
+ &skb_shinfo(skb)->frags[i];
+
+ len = skb_frag_size(frag);
+ p = skb_frag_address_safe(frag);
+ seq_printf(s, " [%2d] : len = %d\n", i, len);
+ wil_seq_hexdump(s, p, len, " : ");
+ }
+ }
+}
+
+/*---------Tx/Rx descriptor------------*/
+static int wil_txdesc_debugfs_show(struct seq_file *s, void *data)
+{
+ struct wil6210_priv *wil = s->private;
+ struct vring *vring;
+ bool tx = (dbg_vring_index < WIL6210_MAX_TX_RINGS);
+
+ vring = tx ? &wil->vring_tx[dbg_vring_index] : &wil->vring_rx;
+
+ if (!vring->va) {
+ if (tx)
+ seq_printf(s, "No Tx[%2d] VRING\n", dbg_vring_index);
+ else
+ seq_puts(s, "No Rx VRING\n");
+ return 0;
+ }
+
+ if (dbg_txdesc_index < vring->size) {
+ /* use struct vring_tx_desc for Rx as well,
+ * only field used, .dma.length, is the same
+ */
+ volatile struct vring_tx_desc *d =
+ &vring->va[dbg_txdesc_index].tx;
+ volatile u32 *u = (volatile u32 *)d;
+ struct sk_buff *skb = vring->ctx[dbg_txdesc_index].skb;
+
+ if (tx)
+ seq_printf(s, "Tx[%2d][%3d] = {\n", dbg_vring_index,
+ dbg_txdesc_index);
+ else
+ seq_printf(s, "Rx[%3d] = {\n", dbg_txdesc_index);
+ seq_printf(s, " MAC = 0x%08x 0x%08x 0x%08x 0x%08x\n",
+ u[0], u[1], u[2], u[3]);
+ seq_printf(s, " DMA = 0x%08x 0x%08x 0x%08x 0x%08x\n",
+ u[4], u[5], u[6], u[7]);
+ seq_printf(s, " SKB = 0x%p\n", skb);
+
+ if (skb) {
+ skb_get(skb);
+ wil_seq_print_skb(s, skb);
+ kfree_skb(skb);
+ }
+ seq_puts(s, "}\n");
+ } else {
+ if (tx)
+ seq_printf(s, "[%2d] TxDesc index (%d) >= size (%d)\n",
+ dbg_vring_index, dbg_txdesc_index,
+ vring->size);
+ else
+ seq_printf(s, "RxDesc index (%d) >= size (%d)\n",
+ dbg_txdesc_index, vring->size);
+ }
+
+ return 0;
+}
+
+static int wil_txdesc_seq_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, wil_txdesc_debugfs_show, inode->i_private);
+}
+
+static const struct file_operations fops_txdesc = {
+ .open = wil_txdesc_seq_open,
+ .release = single_release,
+ .read = seq_read,
+ .llseek = seq_lseek,
+};
+
+/*---------beamforming------------*/
+static char *wil_bfstatus_str(u32 status)
+{
+ switch (status) {
+ case 0:
+ return "Failed";
+ case 1:
+ return "OK";
+ case 2:
+ return "Retrying";
+ default:
+ return "??";
+ }
+}
+
+static bool is_all_zeros(void * const x_, size_t sz)
+{
+ /* if reply is all-0, ignore this CID */
+ u32 *x = x_;
+ int n;
+
+ for (n = 0; n < sz / sizeof(*x); n++)
+ if (x[n])
+ return false;
+
+ return true;
+}
+
+static int wil_bf_debugfs_show(struct seq_file *s, void *data)
+{
+ int rc;
+ int i;
+ struct wil6210_priv *wil = s->private;
+ struct wmi_notify_req_cmd cmd = {
+ .interval_usec = 0,
+ };
+ struct {
+ struct wmi_cmd_hdr wmi;
+ struct wmi_notify_req_done_event evt;
+ } __packed reply;
+
+ for (i = 0; i < ARRAY_SIZE(wil->sta); i++) {
+ u32 status;
+
+ cmd.cid = i;
+ rc = wmi_call(wil, WMI_NOTIFY_REQ_CMDID, &cmd, sizeof(cmd),
+ WMI_NOTIFY_REQ_DONE_EVENTID, &reply,
+ sizeof(reply), 20);
+ /* if reply is all-0, ignore this CID */
+ if (rc || is_all_zeros(&reply.evt, sizeof(reply.evt)))
+ continue;
+
+ status = le32_to_cpu(reply.evt.status);
+ seq_printf(s, "CID %d {\n"
+ " TSF = 0x%016llx\n"
+ " TxMCS = %2d TxTpt = %4d\n"
+ " SQI = %4d\n"
+ " RSSI = %4d\n"
+ " Status = 0x%08x %s\n"
+ " Sectors(rx:tx) my %2d:%2d peer %2d:%2d\n"
+ " Goodput(rx:tx) %4d:%4d\n"
+ "}\n",
+ i,
+ le64_to_cpu(reply.evt.tsf),
+ le16_to_cpu(reply.evt.bf_mcs),
+ le32_to_cpu(reply.evt.tx_tpt),
+ reply.evt.sqi,
+ reply.evt.rssi,
+ status, wil_bfstatus_str(status),
+ le16_to_cpu(reply.evt.my_rx_sector),
+ le16_to_cpu(reply.evt.my_tx_sector),
+ le16_to_cpu(reply.evt.other_rx_sector),
+ le16_to_cpu(reply.evt.other_tx_sector),
+ le32_to_cpu(reply.evt.rx_goodput),
+ le32_to_cpu(reply.evt.tx_goodput));
+ }
+ return 0;
+}
+
+static int wil_bf_seq_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, wil_bf_debugfs_show, inode->i_private);
+}
+
+static const struct file_operations fops_bf = {
+ .open = wil_bf_seq_open,
+ .release = single_release,
+ .read = seq_read,
+ .llseek = seq_lseek,
+};
+
+/*---------SSID------------*/
+static ssize_t wil_read_file_ssid(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct wil6210_priv *wil = file->private_data;
+ struct wireless_dev *wdev = wil_to_wdev(wil);
+
+ return simple_read_from_buffer(user_buf, count, ppos,
+ wdev->ssid, wdev->ssid_len);
+}
+
+static ssize_t wil_write_file_ssid(struct file *file, const char __user *buf,
+ size_t count, loff_t *ppos)
+{
+ struct wil6210_priv *wil = file->private_data;
+ struct wireless_dev *wdev = wil_to_wdev(wil);
+ struct net_device *ndev = wil_to_ndev(wil);
+
+ if (*ppos != 0) {
+ wil_err(wil, "Unable to set SSID substring from [%d]\n",
+ (int)*ppos);
+ return -EINVAL;
+ }
+
+ if (count > sizeof(wdev->ssid)) {
+ wil_err(wil, "SSID too long, len = %d\n", (int)count);
+ return -EINVAL;
+ }
+ if (netif_running(ndev)) {
+ wil_err(wil, "Unable to change SSID on running interface\n");
+ return -EINVAL;
+ }
+
+ wdev->ssid_len = count;
+ return simple_write_to_buffer(wdev->ssid, wdev->ssid_len, ppos,
+ buf, count);
+}
+
+static const struct file_operations fops_ssid = {
+ .read = wil_read_file_ssid,
+ .write = wil_write_file_ssid,
+ .open = simple_open,
+};
+
+/*---------temp------------*/
+static void print_temp(struct seq_file *s, const char *prefix, u32 t)
+{
+ switch (t) {
+ case 0:
+ case ~(u32)0:
+ seq_printf(s, "%s N/A\n", prefix);
+ break;
+ default:
+ seq_printf(s, "%s %d.%03d\n", prefix, t / 1000, t % 1000);
+ break;
+ }
+}
+
+static int wil_temp_debugfs_show(struct seq_file *s, void *data)
+{
+ struct wil6210_priv *wil = s->private;
+ u32 t_m, t_r;
+ int 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;
+}
+
+static int wil_temp_seq_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, wil_temp_debugfs_show, inode->i_private);
+}
+
+static const struct file_operations fops_temp = {
+ .open = wil_temp_seq_open,
+ .release = single_release,
+ .read = seq_read,
+ .llseek = seq_lseek,
+};
+
+/*---------freq------------*/
+static int wil_freq_debugfs_show(struct seq_file *s, void *data)
+{
+ struct wil6210_priv *wil = s->private;
+ struct wireless_dev *wdev = wil_to_wdev(wil);
+ u16 freq = wdev->chandef.chan ? wdev->chandef.chan->center_freq : 0;
+
+ seq_printf(s, "Freq = %d\n", freq);
+
+ return 0;
+}
+
+static int wil_freq_seq_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, wil_freq_debugfs_show, inode->i_private);
+}
+
+static const struct file_operations fops_freq = {
+ .open = wil_freq_seq_open,
+ .release = single_release,
+ .read = seq_read,
+ .llseek = seq_lseek,
+};
+
+/*---------link------------*/
+static int wil_link_debugfs_show(struct seq_file *s, void *data)
+{
+ struct wil6210_priv *wil = s->private;
+ struct station_info sinfo;
+ int i, rc;
+
+ for (i = 0; i < ARRAY_SIZE(wil->sta); i++) {
+ struct wil_sta_info *p = &wil->sta[i];
+ char *status = "unknown";
+
+ switch (p->status) {
+ case wil_sta_unused:
+ status = "unused ";
+ break;
+ case wil_sta_conn_pending:
+ status = "pending ";
+ break;
+ case wil_sta_connected:
+ status = "connected";
+ break;
+ }
+ seq_printf(s, "[%d] %pM %s\n", i, p->addr, status);
+
+ if (p->status == wil_sta_connected) {
+ rc = wil_cid_fill_sinfo(wil, i, &sinfo);
+ if (rc)
+ return rc;
+
+ seq_printf(s, " Tx_mcs = %d\n", sinfo.txrate.mcs);
+ seq_printf(s, " Rx_mcs = %d\n", sinfo.rxrate.mcs);
+ seq_printf(s, " SQ = %d\n", sinfo.signal);
+ }
+ }
+
+ return 0;
+}
+
+static int wil_link_seq_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, wil_link_debugfs_show, inode->i_private);
+}
+
+static const struct file_operations fops_link = {
+ .open = wil_link_seq_open,
+ .release = single_release,
+ .read = seq_read,
+ .llseek = seq_lseek,
+};
+
+/*---------info------------*/
+static int wil_info_debugfs_show(struct seq_file *s, void *data)
+{
+ struct wil6210_priv *wil = s->private;
+ struct net_device *ndev = wil_to_ndev(wil);
+ int is_ac = power_supply_is_system_supplied();
+ int rx = atomic_xchg(&wil->isr_count_rx, 0);
+ int tx = atomic_xchg(&wil->isr_count_tx, 0);
+ static ulong rxf_old, txf_old;
+ ulong rxf = ndev->stats.rx_packets;
+ ulong txf = ndev->stats.tx_packets;
+ unsigned int i;
+
+ /* >0 : AC; 0 : battery; <0 : error */
+ seq_printf(s, "AC powered : %d\n", is_ac);
+ seq_printf(s, "Rx irqs:packets : %8d : %8ld\n", rx, rxf - rxf_old);
+ seq_printf(s, "Tx irqs:packets : %8d : %8ld\n", tx, txf - txf_old);
+ rxf_old = rxf;
+ txf_old = txf;
+
+#define CHECK_QSTATE(x) (state & BIT(__QUEUE_STATE_ ## x)) ? \
+ " " __stringify(x) : ""
+
+ for (i = 0; i < ndev->num_tx_queues; i++) {
+ struct netdev_queue *txq = netdev_get_tx_queue(ndev, i);
+ unsigned long state = txq->state;
+
+ seq_printf(s, "Tx queue[%i] state : 0x%lx%s%s%s\n", i, state,
+ CHECK_QSTATE(DRV_XOFF),
+ CHECK_QSTATE(STACK_XOFF),
+ CHECK_QSTATE(FROZEN)
+ );
+ }
+#undef CHECK_QSTATE
+ return 0;
+}
+
+static int wil_info_seq_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, wil_info_debugfs_show, inode->i_private);
+}
+
+static const struct file_operations fops_info = {
+ .open = wil_info_seq_open,
+ .release = single_release,
+ .read = seq_read,
+ .llseek = seq_lseek,
+};
+
+/*---------recovery------------*/
+/* mode = [manual|auto]
+ * state = [idle|pending|running]
+ */
+static ssize_t wil_read_file_recovery(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct wil6210_priv *wil = file->private_data;
+ char buf[80];
+ int n;
+ static const char * const sstate[] = {"idle", "pending", "running"};
+
+ n = snprintf(buf, sizeof(buf), "mode = %s\nstate = %s\n",
+ no_fw_recovery ? "manual" : "auto",
+ sstate[wil->recovery_state]);
+
+ n = min_t(int, n, sizeof(buf));
+
+ return simple_read_from_buffer(user_buf, count, ppos,
+ buf, n);
+}
+
+static ssize_t wil_write_file_recovery(struct file *file,
+ const char __user *buf_,
+ size_t count, loff_t *ppos)
+{
+ struct wil6210_priv *wil = file->private_data;
+ static const char run_command[] = "run";
+ char buf[sizeof(run_command) + 1]; /* to detect "runx" */
+ ssize_t rc;
+
+ if (wil->recovery_state != fw_recovery_pending) {
+ wil_err(wil, "No recovery pending\n");
+ return -EINVAL;
+ }
+
+ if (*ppos != 0) {
+ wil_err(wil, "Offset [%d]\n", (int)*ppos);
+ return -EINVAL;
+ }
+
+ if (count > sizeof(buf)) {
+ wil_err(wil, "Input too long, len = %d\n", (int)count);
+ return -EINVAL;
+ }
+
+ rc = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, buf_, count);
+ if (rc < 0)
+ return rc;
+
+ buf[rc] = '\0';
+ if (0 == strcmp(buf, run_command))
+ wil_set_recovery_state(wil, fw_recovery_running);
+ else
+ wil_err(wil, "Bad recovery command \"%s\"\n", buf);
+
+ return rc;
+}
+
+static const struct file_operations fops_recovery = {
+ .read = wil_read_file_recovery,
+ .write = wil_write_file_recovery,
+ .open = simple_open,
+};
+
+/*---------Station matrix------------*/
+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;
+ unsigned long long drop_dup = r->drop_dup, drop_old = r->drop_old;
+
+ 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' : '|');
+ else
+ seq_printf(s, "%c", r->reorder_buf[i] ? '*' : '_');
+ }
+ seq_printf(s,
+ "] total %llu drop %llu (dup %llu + old %llu) last 0x%03x\n",
+ r->total, drop_dup + drop_old, drop_dup, drop_old,
+ r->ssn_last_drop);
+}
+
+static void wil_print_rxtid_crypto(struct seq_file *s, int tid,
+ struct wil_tid_crypto_rx *c)
+{
+ int i;
+
+ for (i = 0; i < 4; i++) {
+ struct wil_tid_crypto_rx_single *cc = &c->key_id[i];
+
+ if (cc->key_set)
+ goto has_keys;
+ }
+ return;
+
+has_keys:
+ if (tid < WIL_STA_TID_NUM)
+ seq_printf(s, " [%2d] PN", tid);
+ else
+ seq_puts(s, " [GR] PN");
+
+ for (i = 0; i < 4; i++) {
+ struct wil_tid_crypto_rx_single *cc = &c->key_id[i];
+
+ seq_printf(s, " [%i%s]%6phN", i, cc->key_set ? "+" : "-",
+ cc->pn);
+ }
+ seq_puts(s, "\n");
+}
+
+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, mcs;
+
+ for (i = 0; i < ARRAY_SIZE(wil->sta); i++) {
+ struct wil_sta_info *p = &wil->sta[i];
+ char *status = "unknown";
+ u8 aid = 0;
+
+ switch (p->status) {
+ case wil_sta_unused:
+ status = "unused ";
+ break;
+ case wil_sta_conn_pending:
+ status = "pending ";
+ break;
+ case wil_sta_connected:
+ status = "connected";
+ aid = p->aid;
+ break;
+ }
+ seq_printf(s, "[%d] %pM %s AID %d\n", i, p->addr, status, aid);
+
+ if (p->status == wil_sta_connected) {
+ 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];
+ struct wil_tid_crypto_rx *c =
+ &p->tid_crypto_rx[tid];
+
+ if (r) {
+ seq_printf(s, " [%2d] ", tid);
+ wil_print_rxtid(s, r);
+ }
+
+ wil_print_rxtid_crypto(s, tid, c);
+ }
+ wil_print_rxtid_crypto(s, WIL_STA_TID_NUM,
+ &p->group_crypto_rx);
+ spin_unlock_bh(&p->tid_rx_lock);
+ seq_printf(s,
+ "Rx invalid frame: non-data %lu, short %lu, large %lu, replay %lu\n",
+ p->stats.rx_non_data_frame,
+ p->stats.rx_short_frame,
+ p->stats.rx_large_frame,
+ p->stats.rx_replay);
+
+ seq_puts(s, "Rx/MCS:");
+ for (mcs = 0; mcs < ARRAY_SIZE(p->stats.rx_per_mcs);
+ mcs++)
+ seq_printf(s, " %lld",
+ p->stats.rx_per_mcs[mcs]);
+ seq_puts(s, "\n");
+ }
+ }
+
+ return 0;
+}
+
+static int wil_sta_seq_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, wil_sta_debugfs_show, inode->i_private);
+}
+
+static const struct file_operations fops_sta = {
+ .open = wil_sta_seq_open,
+ .release = single_release,
+ .read = seq_read,
+ .llseek = seq_lseek,
+};
+
+static ssize_t wil_read_file_led_cfg(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ char buf[80];
+ int n;
+
+ n = snprintf(buf, sizeof(buf),
+ "led_id is set to %d, echo 1 to enable, 0 to disable\n",
+ led_id);
+
+ n = min_t(int, n, sizeof(buf));
+
+ return simple_read_from_buffer(user_buf, count, ppos,
+ buf, n);
+}
+
+static ssize_t wil_write_file_led_cfg(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;
+ }
+
+ wil_info(wil, "%s led %d\n", val ? "Enabling" : "Disabling", led_id);
+ rc = wmi_led_cfg(wil, val);
+ if (rc) {
+ wil_info(wil, "%s led %d failed\n",
+ val ? "Enabling" : "Disabling", led_id);
+ return rc;
+ }
+
+ return count;
+}
+
+static const struct file_operations fops_led_cfg = {
+ .read = wil_read_file_led_cfg,
+ .write = wil_write_file_led_cfg,
+ .open = simple_open,
+};
+
+/* led_blink_time, write:
+ * "<blink_on_slow> <blink_off_slow> <blink_on_med> <blink_off_med> <blink_on_fast> <blink_off_fast>
+ */
+static ssize_t wil_write_led_blink_time(struct file *file,
+ const char __user *buf,
+ size_t len, loff_t *ppos)
+{
+ int rc;
+ char *kbuf = kmalloc(len + 1, GFP_KERNEL);
+
+ 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, "%d %d %d %d %d %d",
+ &led_blink_time[WIL_LED_TIME_SLOW].on_ms,
+ &led_blink_time[WIL_LED_TIME_SLOW].off_ms,
+ &led_blink_time[WIL_LED_TIME_MED].on_ms,
+ &led_blink_time[WIL_LED_TIME_MED].off_ms,
+ &led_blink_time[WIL_LED_TIME_FAST].on_ms,
+ &led_blink_time[WIL_LED_TIME_FAST].off_ms);
+ kfree(kbuf);
+
+ if (rc < 0)
+ return rc;
+ if (rc < 6)
+ return -EINVAL;
+
+ return len;
+}
+
+static ssize_t wil_read_led_blink_time(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ static char text[400];
+
+ snprintf(text, sizeof(text),
+ "To set led blink on/off time variables write:\n"
+ "<blink_on_slow> <blink_off_slow> <blink_on_med> "
+ "<blink_off_med> <blink_on_fast> <blink_off_fast>\n"
+ "The current values are:\n"
+ "%d %d %d %d %d %d\n",
+ led_blink_time[WIL_LED_TIME_SLOW].on_ms,
+ led_blink_time[WIL_LED_TIME_SLOW].off_ms,
+ led_blink_time[WIL_LED_TIME_MED].on_ms,
+ led_blink_time[WIL_LED_TIME_MED].off_ms,
+ led_blink_time[WIL_LED_TIME_FAST].on_ms,
+ led_blink_time[WIL_LED_TIME_FAST].off_ms);
+
+ return simple_read_from_buffer(user_buf, count, ppos, text,
+ sizeof(text));
+}
+
+static const struct file_operations fops_led_blink_time = {
+ .read = wil_read_led_blink_time,
+ .write = wil_write_led_blink_time,
+ .open = simple_open,
+};
+
+/*---------FW capabilities------------*/
+static int wil_fw_capabilities_debugfs_show(struct seq_file *s, void *data)
+{
+ struct wil6210_priv *wil = s->private;
+
+ seq_printf(s, "fw_capabilities : %*pb\n", WMI_FW_CAPABILITY_MAX,
+ wil->fw_capabilities);
+
+ return 0;
+}
+
+static int wil_fw_capabilities_seq_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, wil_fw_capabilities_debugfs_show,
+ inode->i_private);
+}
+
+static const struct file_operations fops_fw_capabilities = {
+ .open = wil_fw_capabilities_seq_open,
+ .release = single_release,
+ .read = seq_read,
+ .llseek = seq_lseek,
+};
+
+/*---------FW version------------*/
+static int wil_fw_version_debugfs_show(struct seq_file *s, void *data)
+{
+ struct wil6210_priv *wil = s->private;
+
+ if (wil->fw_version[0])
+ seq_printf(s, "%s\n", wil->fw_version);
+ else
+ seq_puts(s, "N/A\n");
+
+ return 0;
+}
+
+static int wil_fw_version_seq_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, wil_fw_version_debugfs_show,
+ inode->i_private);
+}
+
+static const struct file_operations fops_fw_version = {
+ .open = wil_fw_version_seq_open,
+ .release = single_release,
+ .read = seq_read,
+ .llseek = seq_lseek,
+};
+
+/*---------suspend_stats---------*/
+static ssize_t wil_write_suspend_stats(struct file *file,
+ const char __user *buf,
+ size_t len, loff_t *ppos)
+{
+ struct wil6210_priv *wil = file->private_data;
+
+ memset(&wil->suspend_stats, 0, sizeof(wil->suspend_stats));
+ wil->suspend_stats.min_suspend_time = ULONG_MAX;
+ wil->suspend_stats.collection_start = ktime_get();
+
+ return len;
+}
+
+static ssize_t wil_read_suspend_stats(struct file *file,
+ char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct wil6210_priv *wil = file->private_data;
+ static char text[400];
+ int n;
+ unsigned long long stats_collection_time =
+ ktime_to_us(ktime_sub(ktime_get(),
+ wil->suspend_stats.collection_start));
+
+ n = snprintf(text, sizeof(text),
+ "Suspend statistics:\n"
+ "successful suspends:%ld failed suspends:%ld\n"
+ "successful resumes:%ld failed resumes:%ld\n"
+ "rejected by host:%ld rejected by device:%ld\n"
+ "total suspend time:%lld min suspend time:%lld\n"
+ "max suspend time:%lld stats collection time: %lld\n",
+ wil->suspend_stats.successful_suspends,
+ wil->suspend_stats.failed_suspends,
+ wil->suspend_stats.successful_resumes,
+ wil->suspend_stats.failed_resumes,
+ wil->suspend_stats.rejected_by_host,
+ wil->suspend_stats.rejected_by_device,
+ wil->suspend_stats.total_suspend_time,
+ wil->suspend_stats.min_suspend_time,
+ wil->suspend_stats.max_suspend_time,
+ stats_collection_time);
+
+ n = min_t(int, n, sizeof(text));
+
+ return simple_read_from_buffer(user_buf, count, ppos, text, n);
+}
+
+static const struct file_operations fops_suspend_stats = {
+ .read = wil_read_suspend_stats,
+ .write = wil_write_suspend_stats,
+ .open = simple_open,
+};
+
+/*----------------*/
+static void wil6210_debugfs_init_blobs(struct wil6210_priv *wil,
+ struct dentry *dbg)
+{
+ int i;
+ char name[32];
+
+ for (i = 0; i < ARRAY_SIZE(fw_mapping); i++) {
+ struct wil_blob_wrapper *wil_blob = &wil->blobs[i];
+ struct debugfs_blob_wrapper *blob = &wil_blob->blob;
+ const struct fw_map *map = &fw_mapping[i];
+
+ if (!map->name)
+ continue;
+
+ wil_blob->wil = wil;
+ blob->data = (void * __force)wil->csr + HOSTADDR(map->host);
+ blob->size = map->to - map->from;
+ snprintf(name, sizeof(name), "blob_%s", map->name);
+ wil_debugfs_create_ioblob(name, 0444, dbg, wil_blob);
+ }
+}
+
+/* misc files */
+static const struct {
+ const char *name;
+ umode_t mode;
+ const struct file_operations *fops;
+} dbg_files[] = {
+ {"mbox", 0444, &fops_mbox},
+ {"vrings", 0444, &fops_vring},
+ {"stations", 0444, &fops_sta},
+ {"desc", 0444, &fops_txdesc},
+ {"bf", 0444, &fops_bf},
+ {"ssid", 0644, &fops_ssid},
+ {"mem_val", 0644, &fops_memread},
+ {"reset", 0244, &fops_reset},
+ {"rxon", 0244, &fops_rxon},
+ {"tx_mgmt", 0244, &fops_txmgmt},
+ {"wmi_send", 0244, &fops_wmi},
+ {"back", 0644, &fops_back},
+ {"pmccfg", 0644, &fops_pmccfg},
+ {"pmcdata", 0444, &fops_pmcdata},
+ {"temp", 0444, &fops_temp},
+ {"freq", 0444, &fops_freq},
+ {"link", 0444, &fops_link},
+ {"info", 0444, &fops_info},
+ {"recovery", 0644, &fops_recovery},
+ {"led_cfg", 0644, &fops_led_cfg},
+ {"led_blink_time", 0644, &fops_led_blink_time},
+ {"fw_capabilities", 0444, &fops_fw_capabilities},
+ {"fw_version", 0444, &fops_fw_version},
+ {"suspend_stats", 0644, &fops_suspend_stats},
+};
+
+static void wil6210_debugfs_init_files(struct wil6210_priv *wil,
+ struct dentry *dbg)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(dbg_files); i++)
+ debugfs_create_file(dbg_files[i].name, dbg_files[i].mode, dbg,
+ wil, dbg_files[i].fops);
+}
+
+/* interrupt control blocks */
+static const struct {
+ const char *name;
+ u32 icr_off;
+} dbg_icr[] = {
+ {"USER_ICR", HOSTADDR(RGF_USER_USER_ICR)},
+ {"DMA_EP_TX_ICR", HOSTADDR(RGF_DMA_EP_TX_ICR)},
+ {"DMA_EP_RX_ICR", HOSTADDR(RGF_DMA_EP_RX_ICR)},
+ {"DMA_EP_MISC_ICR", HOSTADDR(RGF_DMA_EP_MISC_ICR)},
+};
+
+static void wil6210_debugfs_init_isr(struct wil6210_priv *wil,
+ struct dentry *dbg)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(dbg_icr); i++)
+ wil6210_debugfs_create_ISR(wil, dbg_icr[i].name, dbg,
+ dbg_icr[i].icr_off);
+}
+
+#define WIL_FIELD(name, mode, type) { __stringify(name), mode, \
+ offsetof(struct wil6210_priv, name), type}
+
+/* fields in struct wil6210_priv */
+static const struct dbg_off dbg_wil_off[] = {
+ WIL_FIELD(privacy, 0444, doff_u32),
+ WIL_FIELD(status[0], 0644, doff_ulong),
+ WIL_FIELD(hw_version, 0444, doff_x32),
+ WIL_FIELD(recovery_count, 0444, doff_u32),
+ WIL_FIELD(ap_isolate, 0444, doff_u32),
+ WIL_FIELD(discovery_mode, 0644, doff_u8),
+ WIL_FIELD(chip_revision, 0444, doff_u8),
+ WIL_FIELD(abft_len, 0644, doff_u8),
+ WIL_FIELD(wakeup_trigger, 0644, doff_u8),
+ WIL_FIELD(vring_idle_trsh, 0644, doff_u32),
+ {},
+};
+
+static const struct dbg_off dbg_wil_regs[] = {
+ {"RGF_MAC_MTRL_COUNTER_0", 0444, HOSTADDR(RGF_MAC_MTRL_COUNTER_0),
+ doff_io32},
+ {"RGF_USER_USAGE_1", 0444, HOSTADDR(RGF_USER_USAGE_1), doff_io32},
+ {},
+};
+
+/* static parameters */
+static const struct dbg_off dbg_statics[] = {
+ {"desc_index", 0644, (ulong)&dbg_txdesc_index, doff_u32},
+ {"vring_index", 0644, (ulong)&dbg_vring_index, doff_u32},
+ {"mem_addr", 0644, (ulong)&mem_addr, doff_u32},
+ {"led_polarity", 0644, (ulong)&led_polarity, doff_u8},
+ {},
+};
+
+int wil6210_debugfs_init(struct wil6210_priv *wil)
+{
+ struct dentry *dbg = wil->debug = debugfs_create_dir(WIL_NAME,
+ wil_to_wiphy(wil)->debugfsdir);
+
+ if (IS_ERR_OR_NULL(dbg))
+ return -ENODEV;
+
+ wil_pmc_init(wil);
+
+ wil6210_debugfs_init_files(wil, dbg);
+ wil6210_debugfs_init_isr(wil, dbg);
+ wil6210_debugfs_init_blobs(wil, dbg);
+ wil6210_debugfs_init_offset(wil, dbg, wil, dbg_wil_off);
+ wil6210_debugfs_init_offset(wil, dbg, (void * __force)wil->csr,
+ dbg_wil_regs);
+ wil6210_debugfs_init_offset(wil, dbg, NULL, dbg_statics);
+
+ wil6210_debugfs_create_pseudo_ISR(wil, dbg);
+
+ wil6210_debugfs_create_ITR_CNT(wil, dbg);
+
+ wil->suspend_stats.collection_start = ktime_get();
+
+ return 0;
+}
+
+void wil6210_debugfs_remove(struct wil6210_priv *wil)
+{
+ debugfs_remove_recursive(wil->debug);
+ wil->debug = NULL;
+
+ /* free pmc memory without sending command to fw, as it will
+ * be reset on the way down anyway
+ */
+ wil_pmc_free(wil, false);
+}