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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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85630469d2
Change all files to add SPDX license identifiers and remove license text. This is only an administrative change, there is no change in actual license or copyright for any file. Signed-off-by: Lior David <liord@codeaurora.org> Signed-off-by: Maya Erez <merez@codeaurora.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
118 lines
2.8 KiB
C
118 lines
2.8 KiB
C
// SPDX-License-Identifier: ISC
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/*
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* Copyright (c) 2014,2017 Qualcomm Atheros, Inc.
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* Copyright (c) 2018, The Linux Foundation. All rights reserved.
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*/
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#include <linux/etherdevice.h>
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#include <linux/pci.h>
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#include <linux/rtnetlink.h>
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#include <net/cfg80211.h>
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#include "wil6210.h"
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static int wil_ethtoolops_begin(struct net_device *ndev)
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{
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struct wil6210_priv *wil = ndev_to_wil(ndev);
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mutex_lock(&wil->mutex);
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wil_dbg_misc(wil, "ethtoolops_begin\n");
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return 0;
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}
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static void wil_ethtoolops_complete(struct net_device *ndev)
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{
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struct wil6210_priv *wil = ndev_to_wil(ndev);
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wil_dbg_misc(wil, "ethtoolops_complete\n");
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mutex_unlock(&wil->mutex);
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}
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static int wil_ethtoolops_get_coalesce(struct net_device *ndev,
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struct ethtool_coalesce *cp)
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{
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struct wil6210_priv *wil = ndev_to_wil(ndev);
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u32 tx_itr_en, tx_itr_val = 0;
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u32 rx_itr_en, rx_itr_val = 0;
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int ret;
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wil_dbg_misc(wil, "ethtoolops_get_coalesce\n");
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ret = wil_pm_runtime_get(wil);
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if (ret < 0)
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return ret;
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tx_itr_en = wil_r(wil, RGF_DMA_ITR_TX_CNT_CTL);
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if (tx_itr_en & BIT_DMA_ITR_TX_CNT_CTL_EN)
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tx_itr_val = wil_r(wil, RGF_DMA_ITR_TX_CNT_TRSH);
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rx_itr_en = wil_r(wil, RGF_DMA_ITR_RX_CNT_CTL);
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if (rx_itr_en & BIT_DMA_ITR_RX_CNT_CTL_EN)
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rx_itr_val = wil_r(wil, RGF_DMA_ITR_RX_CNT_TRSH);
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wil_pm_runtime_put(wil);
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cp->tx_coalesce_usecs = tx_itr_val;
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cp->rx_coalesce_usecs = rx_itr_val;
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return 0;
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}
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static int wil_ethtoolops_set_coalesce(struct net_device *ndev,
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struct ethtool_coalesce *cp)
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{
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struct wil6210_priv *wil = ndev_to_wil(ndev);
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struct wireless_dev *wdev = ndev->ieee80211_ptr;
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int ret;
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wil_dbg_misc(wil, "ethtoolops_set_coalesce: rx %d usec, tx %d usec\n",
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cp->rx_coalesce_usecs, cp->tx_coalesce_usecs);
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if (wdev->iftype == NL80211_IFTYPE_MONITOR) {
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wil_dbg_misc(wil, "No IRQ coalescing in monitor mode\n");
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return -EINVAL;
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}
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/* only @rx_coalesce_usecs and @tx_coalesce_usecs supported,
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* ignore other parameters
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*/
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if (cp->rx_coalesce_usecs > WIL6210_ITR_TRSH_MAX ||
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cp->tx_coalesce_usecs > WIL6210_ITR_TRSH_MAX)
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goto out_bad;
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wil->tx_max_burst_duration = cp->tx_coalesce_usecs;
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wil->rx_max_burst_duration = cp->rx_coalesce_usecs;
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ret = wil_pm_runtime_get(wil);
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if (ret < 0)
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return ret;
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wil->txrx_ops.configure_interrupt_moderation(wil);
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wil_pm_runtime_put(wil);
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return 0;
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out_bad:
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wil_dbg_misc(wil, "Unsupported coalescing params. Raw command:\n");
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print_hex_dump_debug("DBG[MISC] coal ", DUMP_PREFIX_OFFSET, 16, 4,
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cp, sizeof(*cp), false);
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return -EINVAL;
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}
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static const struct ethtool_ops wil_ethtool_ops = {
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.begin = wil_ethtoolops_begin,
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.complete = wil_ethtoolops_complete,
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.get_drvinfo = cfg80211_get_drvinfo,
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.get_coalesce = wil_ethtoolops_get_coalesce,
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.set_coalesce = wil_ethtoolops_set_coalesce,
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};
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void wil_set_ethtoolops(struct net_device *ndev)
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{
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ndev->ethtool_ops = &wil_ethtool_ops;
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}
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