From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- drivers/net/wireless/ath/wil6210/ethtool.c | 113 +++++++++++++++++++++++++++++ 1 file changed, 113 insertions(+) create mode 100644 drivers/net/wireless/ath/wil6210/ethtool.c (limited to 'drivers/net/wireless/ath/wil6210/ethtool.c') 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 +#include +#include +#include + +#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; +} -- cgit v1.2.3