Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 113 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath/wil6210/ethtool.c b/drivers/net/wireless/ath/wil6210/ethtool.c
new file mode 100644
index 000000000..29a9f17c2
--- /dev/null
+++ b/drivers/net/wireless/ath/wil6210/ethtool.c
@@ -0,0 +1,113 @@
+// SPDX-License-Identifier: ISC
+/*
+ * Copyright (c) 2014,2017 Qualcomm Atheros, Inc.
+ * Copyright (c) 2018, The Linux Foundation. All rights reserved.
+ */
+
+#include <linux/etherdevice.h>
+#include <linux/pci.h>
+#include <linux/rtnetlink.h>
+#include <net/cfg80211.h>
+
+#include "wil6210.h"
+
+static int
+wil_ethtoolops_get_coalesce(struct net_device *ndev,
+			    struct ethtool_coalesce *cp,
+			    struct kernel_ethtool_coalesce *kernel_coal,
+			    struct netlink_ext_ack *extack)
+{
+	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;
+
+	mutex_lock(&wil->mutex);
+	wil_dbg_misc(wil, "ethtoolops_get_coalesce\n");
+
+	ret = wil_pm_runtime_get(wil);
+	if (ret < 0)
+		goto out;
+
+	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;
+	ret = 0;
+
+out:
+	mutex_unlock(&wil->mutex);
+	return ret;
+}
+
+static int
+wil_ethtoolops_set_coalesce(struct net_device *ndev,
+			    struct ethtool_coalesce *cp,
+			    struct kernel_ethtool_coalesce *kernel_coal,
+			    struct netlink_ext_ack *extack)
+{
+	struct wil6210_priv *wil = ndev_to_wil(ndev);
+	struct wireless_dev *wdev = ndev->ieee80211_ptr;
+	int ret;
+
+	mutex_lock(&wil->mutex);
+	wil_dbg_misc(wil, "ethtoolops_set_coalesce: rx %d usec, tx %d usec\n",
+		     cp->rx_coalesce_usecs, cp->tx_coalesce_usecs);
+
+	if (wdev->iftype == NL80211_IFTYPE_MONITOR) {
+		wil_dbg_misc(wil, "No IRQ coalescing in monitor mode\n");
+		ret = -EINVAL;
+		goto out;
+	}
+
+	/* 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)
+		goto out;
+
+	wil->txrx_ops.configure_interrupt_moderation(wil);
+
+	wil_pm_runtime_put(wil);
+	ret = 0;
+
+out:
+	mutex_unlock(&wil->mutex);
+	return ret;
+
+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);
+	mutex_unlock(&wil->mutex);
+	return -EINVAL;
+}
+
+static const struct ethtool_ops wil_ethtool_ops = {
+	.supported_coalesce_params = ETHTOOL_COALESCE_USECS,
+	.get_drvinfo	= cfg80211_get_drvinfo,
+	.get_coalesce	= wil_ethtoolops_get_coalesce,
+	.set_coalesce	= wil_ethtoolops_set_coalesce,
+};
+
+void wil_set_ethtoolops(struct net_device *ndev)
+{
+	ndev->ethtool_ops = &wil_ethtool_ops;
+}