static int wil_ethtoolops_get_coalesce(struct net_device *ndev,
struct ethtool_coalesce *cp)
{
struct wil6210_priv *wil = ndev_to_wil(ndev);
u32 tx_itr_en, tx_itr_val = 0;
u32 rx_itr_en, rx_itr_val = 0;
int ret;
wil_dbg_misc(wil, "ethtoolops_get_coalesce\n");
ret = wil_pm_runtime_get(wil);
if (ret < 0)
return ret;
tx_itr_en = wil_r(wil, RGF_DMA_ITR_TX_CNT_CTL);
if (tx_itr_en & BIT_DMA_ITR_TX_CNT_CTL_EN)
tx_itr_val = wil_r(wil, RGF_DMA_ITR_TX_CNT_TRSH);
rx_itr_en = wil_r(wil, RGF_DMA_ITR_RX_CNT_CTL);
if (rx_itr_en & BIT_DMA_ITR_RX_CNT_CTL_EN)
rx_itr_val = wil_r(wil, RGF_DMA_ITR_RX_CNT_TRSH);
wil_pm_runtime_put(wil);
cp->tx_coalesce_usecs = tx_itr_val;
cp->rx_coalesce_usecs = rx_itr_val;
return 0;
}
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;
struct wil6210_priv *wil = wil_blob->wil;
loff_t pos = *ppos;
size_t available = wil_blob->blob.size;
void *buf;
size_t ret;
int rc;
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;
rc = wil_pm_runtime_get(wil);
if (rc < 0) {
kfree(buf);
return rc;
}
wil_memcpy_fromio_32(buf, (const void __iomem *)
wil_blob->blob.data + pos, count);
ret = copy_to_user(user_buf, buf, count);
wil_pm_runtime_put(wil);
kfree(buf);
if (ret == count)
return -EFAULT;
count -= ret;
*ppos = pos + count;
return count;
}
static int wil_debugfs_iomem_x32_get(void *data, u64 *val)
{
struct wil_debugfs_iomem_data *d = (struct
wil_debugfs_iomem_data *)data;
struct wil6210_priv *wil = d->wil;
int ret;
ret = wil_pm_runtime_get(wil);
if (ret < 0)
return ret;
*val = readl((void __iomem *)d->offset);
wil_pm_runtime_put(wil);
return 0;
}
static int wil_debugfs_iomem_x32_set(void *data, u64 val)
{
struct wil_debugfs_iomem_data *d = (struct
wil_debugfs_iomem_data *)data;
struct wil6210_priv *wil = d->wil;
int ret;
ret = wil_pm_runtime_get(wil);
if (ret < 0)
return ret;
writel(val, (void __iomem *)d->offset);
wmb(); /* make sure write propagated to HW */
wil_pm_runtime_put(wil);
return 0;
}
static int wil_mbox_debugfs_show(struct seq_file *s, void *data)
{
struct wil6210_priv *wil = s->private;
int ret;
ret = wil_pm_runtime_get(wil);
if (ret < 0)
return ret;
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));
wil_pm_runtime_put(wil);
return 0;
}
static int wil_ethtoolops_set_coalesce(struct net_device *ndev,
struct ethtool_coalesce *cp)
{
struct wil6210_priv *wil = ndev_to_wil(ndev);
int ret;
wil_dbg_misc(wil, "ethtoolops_set_coalesce: rx %d usec, tx %d usec\n",
cp->rx_coalesce_usecs, cp->tx_coalesce_usecs);
if (wil->wdev->iftype == NL80211_IFTYPE_MONITOR) {
wil_dbg_misc(wil, "No IRQ coalescing in monitor mode\n");
return -EINVAL;
}
/* only @rx_coalesce_usecs and @tx_coalesce_usecs supported,
* ignore other parameters
*/
if (cp->rx_coalesce_usecs > WIL6210_ITR_TRSH_MAX ||
cp->tx_coalesce_usecs > WIL6210_ITR_TRSH_MAX)
goto out_bad;
wil->tx_max_burst_duration = cp->tx_coalesce_usecs;
wil->rx_max_burst_duration = cp->rx_coalesce_usecs;
ret = wil_pm_runtime_get(wil);
if (ret < 0)
return ret;
wil_configure_interrupt_moderation(wil);
wil_pm_runtime_put(wil);
return 0;
out_bad:
wil_dbg_misc(wil, "Unsupported coalescing params. Raw command:\n");
print_hex_dump_debug("DBG[MISC] coal ", DUMP_PREFIX_OFFSET, 16, 4,
cp, sizeof(*cp), false);
return -EINVAL;
}
static int wil_memread_debugfs_show(struct seq_file *s, void *data)
{
struct wil6210_priv *wil = s->private;
void __iomem *a;
int ret;
ret = wil_pm_runtime_get(wil);
if (ret < 0)
return ret;
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);
wil_pm_runtime_put(wil);
return 0;
}
