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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/net/ethernet/marvell/octeontx2/nic/otx2_ethtool.c
parentInitial commit. (diff)
downloadlinux-upstream.tar.xz
linux-upstream.zip
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/net/ethernet/marvell/octeontx2/nic/otx2_ethtool.c')
-rw-r--r--drivers/net/ethernet/marvell/octeontx2/nic/otx2_ethtool.c1435
1 files changed, 1435 insertions, 0 deletions
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_ethtool.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_ethtool.c
new file mode 100644
index 000000000..af779ae40
--- /dev/null
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_ethtool.c
@@ -0,0 +1,1435 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Marvell RVU Ethernet driver
+ *
+ * Copyright (C) 2020 Marvell.
+ *
+ */
+
+#include <linux/pci.h>
+#include <linux/ethtool.h>
+#include <linux/stddef.h>
+#include <linux/etherdevice.h>
+#include <linux/log2.h>
+#include <linux/net_tstamp.h>
+#include <linux/linkmode.h>
+
+#include "otx2_common.h"
+#include "otx2_ptp.h"
+
+#define DRV_NAME "rvu-nicpf"
+#define DRV_VF_NAME "rvu-nicvf"
+
+struct otx2_stat {
+ char name[ETH_GSTRING_LEN];
+ unsigned int index;
+};
+
+/* HW device stats */
+#define OTX2_DEV_STAT(stat) { \
+ .name = #stat, \
+ .index = offsetof(struct otx2_dev_stats, stat) / sizeof(u64), \
+}
+
+enum link_mode {
+ OTX2_MODE_SUPPORTED,
+ OTX2_MODE_ADVERTISED
+};
+
+static const struct otx2_stat otx2_dev_stats[] = {
+ OTX2_DEV_STAT(rx_ucast_frames),
+ OTX2_DEV_STAT(rx_bcast_frames),
+ OTX2_DEV_STAT(rx_mcast_frames),
+
+ OTX2_DEV_STAT(tx_ucast_frames),
+ OTX2_DEV_STAT(tx_bcast_frames),
+ OTX2_DEV_STAT(tx_mcast_frames),
+};
+
+/* Driver level stats */
+#define OTX2_DRV_STAT(stat) { \
+ .name = #stat, \
+ .index = offsetof(struct otx2_drv_stats, stat) / sizeof(atomic_t), \
+}
+
+static const struct otx2_stat otx2_drv_stats[] = {
+ OTX2_DRV_STAT(rx_fcs_errs),
+ OTX2_DRV_STAT(rx_oversize_errs),
+ OTX2_DRV_STAT(rx_undersize_errs),
+ OTX2_DRV_STAT(rx_csum_errs),
+ OTX2_DRV_STAT(rx_len_errs),
+ OTX2_DRV_STAT(rx_other_errs),
+};
+
+static const struct otx2_stat otx2_queue_stats[] = {
+ { "bytes", 0 },
+ { "frames", 1 },
+};
+
+static const unsigned int otx2_n_dev_stats = ARRAY_SIZE(otx2_dev_stats);
+static const unsigned int otx2_n_drv_stats = ARRAY_SIZE(otx2_drv_stats);
+static const unsigned int otx2_n_queue_stats = ARRAY_SIZE(otx2_queue_stats);
+
+static struct cgx_fw_data *otx2_get_fwdata(struct otx2_nic *pfvf);
+
+static void otx2_get_drvinfo(struct net_device *netdev,
+ struct ethtool_drvinfo *info)
+{
+ struct otx2_nic *pfvf = netdev_priv(netdev);
+
+ strscpy(info->driver, DRV_NAME, sizeof(info->driver));
+ strscpy(info->bus_info, pci_name(pfvf->pdev), sizeof(info->bus_info));
+}
+
+static void otx2_get_qset_strings(struct otx2_nic *pfvf, u8 **data, int qset)
+{
+ int start_qidx = qset * pfvf->hw.rx_queues;
+ int qidx, stats;
+
+ for (qidx = 0; qidx < pfvf->hw.rx_queues; qidx++) {
+ for (stats = 0; stats < otx2_n_queue_stats; stats++) {
+ sprintf(*data, "rxq%d: %s", qidx + start_qidx,
+ otx2_queue_stats[stats].name);
+ *data += ETH_GSTRING_LEN;
+ }
+ }
+ for (qidx = 0; qidx < pfvf->hw.tx_queues; qidx++) {
+ for (stats = 0; stats < otx2_n_queue_stats; stats++) {
+ sprintf(*data, "txq%d: %s", qidx + start_qidx,
+ otx2_queue_stats[stats].name);
+ *data += ETH_GSTRING_LEN;
+ }
+ }
+}
+
+static void otx2_get_strings(struct net_device *netdev, u32 sset, u8 *data)
+{
+ struct otx2_nic *pfvf = netdev_priv(netdev);
+ int stats;
+
+ if (sset != ETH_SS_STATS)
+ return;
+
+ for (stats = 0; stats < otx2_n_dev_stats; stats++) {
+ memcpy(data, otx2_dev_stats[stats].name, ETH_GSTRING_LEN);
+ data += ETH_GSTRING_LEN;
+ }
+
+ for (stats = 0; stats < otx2_n_drv_stats; stats++) {
+ memcpy(data, otx2_drv_stats[stats].name, ETH_GSTRING_LEN);
+ data += ETH_GSTRING_LEN;
+ }
+
+ otx2_get_qset_strings(pfvf, &data, 0);
+
+ if (!test_bit(CN10K_RPM, &pfvf->hw.cap_flag)) {
+ for (stats = 0; stats < CGX_RX_STATS_COUNT; stats++) {
+ sprintf(data, "cgx_rxstat%d: ", stats);
+ data += ETH_GSTRING_LEN;
+ }
+
+ for (stats = 0; stats < CGX_TX_STATS_COUNT; stats++) {
+ sprintf(data, "cgx_txstat%d: ", stats);
+ data += ETH_GSTRING_LEN;
+ }
+ }
+
+ strcpy(data, "reset_count");
+ data += ETH_GSTRING_LEN;
+ sprintf(data, "Fec Corrected Errors: ");
+ data += ETH_GSTRING_LEN;
+ sprintf(data, "Fec Uncorrected Errors: ");
+ data += ETH_GSTRING_LEN;
+}
+
+static void otx2_get_qset_stats(struct otx2_nic *pfvf,
+ struct ethtool_stats *stats, u64 **data)
+{
+ int stat, qidx;
+
+ if (!pfvf)
+ return;
+ for (qidx = 0; qidx < pfvf->hw.rx_queues; qidx++) {
+ if (!otx2_update_rq_stats(pfvf, qidx)) {
+ for (stat = 0; stat < otx2_n_queue_stats; stat++)
+ *((*data)++) = 0;
+ continue;
+ }
+ for (stat = 0; stat < otx2_n_queue_stats; stat++)
+ *((*data)++) = ((u64 *)&pfvf->qset.rq[qidx].stats)
+ [otx2_queue_stats[stat].index];
+ }
+
+ for (qidx = 0; qidx < pfvf->hw.tx_queues; qidx++) {
+ if (!otx2_update_sq_stats(pfvf, qidx)) {
+ for (stat = 0; stat < otx2_n_queue_stats; stat++)
+ *((*data)++) = 0;
+ continue;
+ }
+ for (stat = 0; stat < otx2_n_queue_stats; stat++)
+ *((*data)++) = ((u64 *)&pfvf->qset.sq[qidx].stats)
+ [otx2_queue_stats[stat].index];
+ }
+}
+
+static int otx2_get_phy_fec_stats(struct otx2_nic *pfvf)
+{
+ struct msg_req *req;
+ int rc = -ENOMEM;
+
+ mutex_lock(&pfvf->mbox.lock);
+ req = otx2_mbox_alloc_msg_cgx_get_phy_fec_stats(&pfvf->mbox);
+ if (!req)
+ goto end;
+
+ if (!otx2_sync_mbox_msg(&pfvf->mbox))
+ rc = 0;
+end:
+ mutex_unlock(&pfvf->mbox.lock);
+ return rc;
+}
+
+/* Get device and per queue statistics */
+static void otx2_get_ethtool_stats(struct net_device *netdev,
+ struct ethtool_stats *stats, u64 *data)
+{
+ struct otx2_nic *pfvf = netdev_priv(netdev);
+ u64 fec_corr_blks, fec_uncorr_blks;
+ struct cgx_fw_data *rsp;
+ int stat;
+
+ otx2_get_dev_stats(pfvf);
+ for (stat = 0; stat < otx2_n_dev_stats; stat++)
+ *(data++) = ((u64 *)&pfvf->hw.dev_stats)
+ [otx2_dev_stats[stat].index];
+
+ for (stat = 0; stat < otx2_n_drv_stats; stat++)
+ *(data++) = atomic_read(&((atomic_t *)&pfvf->hw.drv_stats)
+ [otx2_drv_stats[stat].index]);
+
+ otx2_get_qset_stats(pfvf, stats, &data);
+
+ if (!test_bit(CN10K_RPM, &pfvf->hw.cap_flag)) {
+ otx2_update_lmac_stats(pfvf);
+ for (stat = 0; stat < CGX_RX_STATS_COUNT; stat++)
+ *(data++) = pfvf->hw.cgx_rx_stats[stat];
+ for (stat = 0; stat < CGX_TX_STATS_COUNT; stat++)
+ *(data++) = pfvf->hw.cgx_tx_stats[stat];
+ }
+
+ *(data++) = pfvf->reset_count;
+
+ fec_corr_blks = pfvf->hw.cgx_fec_corr_blks;
+ fec_uncorr_blks = pfvf->hw.cgx_fec_uncorr_blks;
+
+ rsp = otx2_get_fwdata(pfvf);
+ if (!IS_ERR(rsp) && rsp->fwdata.phy.misc.has_fec_stats &&
+ !otx2_get_phy_fec_stats(pfvf)) {
+ /* Fetch fwdata again because it's been recently populated with
+ * latest PHY FEC stats.
+ */
+ rsp = otx2_get_fwdata(pfvf);
+ if (!IS_ERR(rsp)) {
+ struct fec_stats_s *p = &rsp->fwdata.phy.fec_stats;
+
+ if (pfvf->linfo.fec == OTX2_FEC_BASER) {
+ fec_corr_blks = p->brfec_corr_blks;
+ fec_uncorr_blks = p->brfec_uncorr_blks;
+ } else {
+ fec_corr_blks = p->rsfec_corr_cws;
+ fec_uncorr_blks = p->rsfec_uncorr_cws;
+ }
+ }
+ }
+
+ *(data++) = fec_corr_blks;
+ *(data++) = fec_uncorr_blks;
+}
+
+static int otx2_get_sset_count(struct net_device *netdev, int sset)
+{
+ struct otx2_nic *pfvf = netdev_priv(netdev);
+ int qstats_count, mac_stats = 0;
+
+ if (sset != ETH_SS_STATS)
+ return -EINVAL;
+
+ qstats_count = otx2_n_queue_stats *
+ (pfvf->hw.rx_queues + pfvf->hw.tx_queues);
+ if (!test_bit(CN10K_RPM, &pfvf->hw.cap_flag))
+ mac_stats = CGX_RX_STATS_COUNT + CGX_TX_STATS_COUNT;
+ otx2_update_lmac_fec_stats(pfvf);
+
+ return otx2_n_dev_stats + otx2_n_drv_stats + qstats_count +
+ mac_stats + OTX2_FEC_STATS_CNT + 1;
+}
+
+/* Get no of queues device supports and current queue count */
+static void otx2_get_channels(struct net_device *dev,
+ struct ethtool_channels *channel)
+{
+ struct otx2_nic *pfvf = netdev_priv(dev);
+
+ channel->max_rx = pfvf->hw.max_queues;
+ channel->max_tx = pfvf->hw.max_queues;
+
+ channel->rx_count = pfvf->hw.rx_queues;
+ channel->tx_count = pfvf->hw.tx_queues;
+}
+
+/* Set no of Tx, Rx queues to be used */
+static int otx2_set_channels(struct net_device *dev,
+ struct ethtool_channels *channel)
+{
+ struct otx2_nic *pfvf = netdev_priv(dev);
+ bool if_up = netif_running(dev);
+ int err = 0;
+
+ if (!channel->rx_count || !channel->tx_count)
+ return -EINVAL;
+
+ if (bitmap_weight(&pfvf->rq_bmap, pfvf->hw.rx_queues) > 1) {
+ netdev_err(dev,
+ "Receive queues are in use by TC police action\n");
+ return -EINVAL;
+ }
+
+ if (if_up)
+ dev->netdev_ops->ndo_stop(dev);
+
+ err = otx2_set_real_num_queues(dev, channel->tx_count,
+ channel->rx_count);
+ if (err)
+ return err;
+
+ pfvf->hw.rx_queues = channel->rx_count;
+ pfvf->hw.tx_queues = channel->tx_count;
+ pfvf->qset.cq_cnt = pfvf->hw.tx_queues + pfvf->hw.rx_queues;
+
+ if (if_up)
+ err = dev->netdev_ops->ndo_open(dev);
+
+ netdev_info(dev, "Setting num Tx rings to %d, Rx rings to %d success\n",
+ pfvf->hw.tx_queues, pfvf->hw.rx_queues);
+
+ return err;
+}
+
+static void otx2_get_pauseparam(struct net_device *netdev,
+ struct ethtool_pauseparam *pause)
+{
+ struct otx2_nic *pfvf = netdev_priv(netdev);
+ struct cgx_pause_frm_cfg *req, *rsp;
+
+ if (is_otx2_lbkvf(pfvf->pdev))
+ return;
+
+ mutex_lock(&pfvf->mbox.lock);
+ req = otx2_mbox_alloc_msg_cgx_cfg_pause_frm(&pfvf->mbox);
+ if (!req) {
+ mutex_unlock(&pfvf->mbox.lock);
+ return;
+ }
+
+ if (!otx2_sync_mbox_msg(&pfvf->mbox)) {
+ rsp = (struct cgx_pause_frm_cfg *)
+ otx2_mbox_get_rsp(&pfvf->mbox.mbox, 0, &req->hdr);
+ pause->rx_pause = rsp->rx_pause;
+ pause->tx_pause = rsp->tx_pause;
+ }
+ mutex_unlock(&pfvf->mbox.lock);
+}
+
+static int otx2_set_pauseparam(struct net_device *netdev,
+ struct ethtool_pauseparam *pause)
+{
+ struct otx2_nic *pfvf = netdev_priv(netdev);
+
+ if (pause->autoneg)
+ return -EOPNOTSUPP;
+
+ if (is_otx2_lbkvf(pfvf->pdev))
+ return -EOPNOTSUPP;
+
+ if (pause->rx_pause)
+ pfvf->flags |= OTX2_FLAG_RX_PAUSE_ENABLED;
+ else
+ pfvf->flags &= ~OTX2_FLAG_RX_PAUSE_ENABLED;
+
+ if (pause->tx_pause)
+ pfvf->flags |= OTX2_FLAG_TX_PAUSE_ENABLED;
+ else
+ pfvf->flags &= ~OTX2_FLAG_TX_PAUSE_ENABLED;
+
+ return otx2_config_pause_frm(pfvf);
+}
+
+static void otx2_get_ringparam(struct net_device *netdev,
+ struct ethtool_ringparam *ring,
+ struct kernel_ethtool_ringparam *kernel_ring,
+ struct netlink_ext_ack *extack)
+{
+ struct otx2_nic *pfvf = netdev_priv(netdev);
+ struct otx2_qset *qs = &pfvf->qset;
+
+ ring->rx_max_pending = Q_COUNT(Q_SIZE_MAX);
+ ring->rx_pending = qs->rqe_cnt ? qs->rqe_cnt : Q_COUNT(Q_SIZE_256);
+ ring->tx_max_pending = Q_COUNT(Q_SIZE_MAX);
+ ring->tx_pending = qs->sqe_cnt ? qs->sqe_cnt : Q_COUNT(Q_SIZE_4K);
+ kernel_ring->rx_buf_len = pfvf->hw.rbuf_len;
+ kernel_ring->cqe_size = pfvf->hw.xqe_size;
+}
+
+static int otx2_set_ringparam(struct net_device *netdev,
+ struct ethtool_ringparam *ring,
+ struct kernel_ethtool_ringparam *kernel_ring,
+ struct netlink_ext_ack *extack)
+{
+ struct otx2_nic *pfvf = netdev_priv(netdev);
+ u32 rx_buf_len = kernel_ring->rx_buf_len;
+ u32 old_rx_buf_len = pfvf->hw.rbuf_len;
+ u32 xqe_size = kernel_ring->cqe_size;
+ bool if_up = netif_running(netdev);
+ struct otx2_qset *qs = &pfvf->qset;
+ u32 rx_count, tx_count;
+
+ if (ring->rx_mini_pending || ring->rx_jumbo_pending)
+ return -EINVAL;
+
+ /* Hardware supports max size of 32k for a receive buffer
+ * and 1536 is typical ethernet frame size.
+ */
+ if (rx_buf_len && (rx_buf_len < 1536 || rx_buf_len > 32768)) {
+ netdev_err(netdev,
+ "Receive buffer range is 1536 - 32768");
+ return -EINVAL;
+ }
+
+ if (xqe_size != 128 && xqe_size != 512) {
+ netdev_err(netdev,
+ "Completion event size must be 128 or 512");
+ return -EINVAL;
+ }
+
+ /* Permitted lengths are 16 64 256 1K 4K 16K 64K 256K 1M */
+ rx_count = ring->rx_pending;
+ /* On some silicon variants a skid or reserved CQEs are
+ * needed to avoid CQ overflow.
+ */
+ if (rx_count < pfvf->hw.rq_skid)
+ rx_count = pfvf->hw.rq_skid;
+ rx_count = Q_COUNT(Q_SIZE(rx_count, 3));
+
+ /* Due pipelining impact minimum 2000 unused SQ CQE's
+ * need to be maintained to avoid CQ overflow, hence the
+ * minimum 4K size.
+ */
+ tx_count = clamp_t(u32, ring->tx_pending,
+ Q_COUNT(Q_SIZE_4K), Q_COUNT(Q_SIZE_MAX));
+ tx_count = Q_COUNT(Q_SIZE(tx_count, 3));
+
+ if (tx_count == qs->sqe_cnt && rx_count == qs->rqe_cnt &&
+ rx_buf_len == old_rx_buf_len && xqe_size == pfvf->hw.xqe_size)
+ return 0;
+
+ if (if_up)
+ netdev->netdev_ops->ndo_stop(netdev);
+
+ /* Assigned to the nearest possible exponent. */
+ qs->sqe_cnt = tx_count;
+ qs->rqe_cnt = rx_count;
+
+ pfvf->hw.rbuf_len = rx_buf_len;
+ pfvf->hw.xqe_size = xqe_size;
+
+ if (if_up)
+ return netdev->netdev_ops->ndo_open(netdev);
+
+ return 0;
+}
+
+static int otx2_get_coalesce(struct net_device *netdev,
+ struct ethtool_coalesce *cmd,
+ struct kernel_ethtool_coalesce *kernel_coal,
+ struct netlink_ext_ack *extack)
+{
+ struct otx2_nic *pfvf = netdev_priv(netdev);
+ struct otx2_hw *hw = &pfvf->hw;
+
+ cmd->rx_coalesce_usecs = hw->cq_time_wait;
+ cmd->rx_max_coalesced_frames = hw->cq_ecount_wait;
+ cmd->tx_coalesce_usecs = hw->cq_time_wait;
+ cmd->tx_max_coalesced_frames = hw->cq_ecount_wait;
+ if ((pfvf->flags & OTX2_FLAG_ADPTV_INT_COAL_ENABLED) ==
+ OTX2_FLAG_ADPTV_INT_COAL_ENABLED) {
+ cmd->use_adaptive_rx_coalesce = 1;
+ cmd->use_adaptive_tx_coalesce = 1;
+ } else {
+ cmd->use_adaptive_rx_coalesce = 0;
+ cmd->use_adaptive_tx_coalesce = 0;
+ }
+
+ return 0;
+}
+
+static int otx2_set_coalesce(struct net_device *netdev,
+ struct ethtool_coalesce *ec,
+ struct kernel_ethtool_coalesce *kernel_coal,
+ struct netlink_ext_ack *extack)
+{
+ struct otx2_nic *pfvf = netdev_priv(netdev);
+ struct otx2_hw *hw = &pfvf->hw;
+ u8 priv_coalesce_status;
+ int qidx;
+
+ if (!ec->rx_max_coalesced_frames || !ec->tx_max_coalesced_frames)
+ return 0;
+
+ if (ec->use_adaptive_rx_coalesce != ec->use_adaptive_tx_coalesce) {
+ netdev_err(netdev,
+ "adaptive-rx should be same as adaptive-tx");
+ return -EINVAL;
+ }
+
+ /* Check and update coalesce status */
+ if ((pfvf->flags & OTX2_FLAG_ADPTV_INT_COAL_ENABLED) ==
+ OTX2_FLAG_ADPTV_INT_COAL_ENABLED) {
+ priv_coalesce_status = 1;
+ if (!ec->use_adaptive_rx_coalesce)
+ pfvf->flags &= ~OTX2_FLAG_ADPTV_INT_COAL_ENABLED;
+ } else {
+ priv_coalesce_status = 0;
+ if (ec->use_adaptive_rx_coalesce)
+ pfvf->flags |= OTX2_FLAG_ADPTV_INT_COAL_ENABLED;
+ }
+
+ /* 'cq_time_wait' is 8bit and is in multiple of 100ns,
+ * so clamp the user given value to the range of 1 to 25usec.
+ */
+ ec->rx_coalesce_usecs = clamp_t(u32, ec->rx_coalesce_usecs,
+ 1, CQ_TIMER_THRESH_MAX);
+ ec->tx_coalesce_usecs = clamp_t(u32, ec->tx_coalesce_usecs,
+ 1, CQ_TIMER_THRESH_MAX);
+
+ /* Rx and Tx are mapped to same CQ, check which one
+ * is changed, if both then choose the min.
+ */
+ if (hw->cq_time_wait == ec->rx_coalesce_usecs)
+ hw->cq_time_wait = ec->tx_coalesce_usecs;
+ else if (hw->cq_time_wait == ec->tx_coalesce_usecs)
+ hw->cq_time_wait = ec->rx_coalesce_usecs;
+ else
+ hw->cq_time_wait = min_t(u8, ec->rx_coalesce_usecs,
+ ec->tx_coalesce_usecs);
+
+ /* Max ecount_wait supported is 16bit,
+ * so clamp the user given value to the range of 1 to 64k.
+ */
+ ec->rx_max_coalesced_frames = clamp_t(u32, ec->rx_max_coalesced_frames,
+ 1, NAPI_POLL_WEIGHT);
+ ec->tx_max_coalesced_frames = clamp_t(u32, ec->tx_max_coalesced_frames,
+ 1, NAPI_POLL_WEIGHT);
+
+ /* Rx and Tx are mapped to same CQ, check which one
+ * is changed, if both then choose the min.
+ */
+ if (hw->cq_ecount_wait == ec->rx_max_coalesced_frames)
+ hw->cq_ecount_wait = ec->tx_max_coalesced_frames;
+ else if (hw->cq_ecount_wait == ec->tx_max_coalesced_frames)
+ hw->cq_ecount_wait = ec->rx_max_coalesced_frames;
+ else
+ hw->cq_ecount_wait = min_t(u16, ec->rx_max_coalesced_frames,
+ ec->tx_max_coalesced_frames);
+
+ /* Reset 'cq_time_wait' and 'cq_ecount_wait' to
+ * default values if coalesce status changed from
+ * 'on' to 'off'.
+ */
+ if (priv_coalesce_status &&
+ ((pfvf->flags & OTX2_FLAG_ADPTV_INT_COAL_ENABLED) !=
+ OTX2_FLAG_ADPTV_INT_COAL_ENABLED)) {
+ hw->cq_time_wait = CQ_TIMER_THRESH_DEFAULT;
+ hw->cq_ecount_wait = CQ_CQE_THRESH_DEFAULT;
+ }
+
+ if (netif_running(netdev)) {
+ for (qidx = 0; qidx < pfvf->hw.cint_cnt; qidx++)
+ otx2_config_irq_coalescing(pfvf, qidx);
+ }
+
+ return 0;
+}
+
+static int otx2_get_rss_hash_opts(struct otx2_nic *pfvf,
+ struct ethtool_rxnfc *nfc)
+{
+ struct otx2_rss_info *rss = &pfvf->hw.rss_info;
+
+ if (!(rss->flowkey_cfg &
+ (NIX_FLOW_KEY_TYPE_IPV4 | NIX_FLOW_KEY_TYPE_IPV6)))
+ return 0;
+
+ /* Mimimum is IPv4 and IPv6, SIP/DIP */
+ nfc->data = RXH_IP_SRC | RXH_IP_DST;
+ if (rss->flowkey_cfg & NIX_FLOW_KEY_TYPE_VLAN)
+ nfc->data |= RXH_VLAN;
+
+ switch (nfc->flow_type) {
+ case TCP_V4_FLOW:
+ case TCP_V6_FLOW:
+ if (rss->flowkey_cfg & NIX_FLOW_KEY_TYPE_TCP)
+ nfc->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
+ break;
+ case UDP_V4_FLOW:
+ case UDP_V6_FLOW:
+ if (rss->flowkey_cfg & NIX_FLOW_KEY_TYPE_UDP)
+ nfc->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
+ break;
+ case SCTP_V4_FLOW:
+ case SCTP_V6_FLOW:
+ if (rss->flowkey_cfg & NIX_FLOW_KEY_TYPE_SCTP)
+ nfc->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
+ break;
+ case AH_ESP_V4_FLOW:
+ case AH_ESP_V6_FLOW:
+ if (rss->flowkey_cfg & NIX_FLOW_KEY_TYPE_ESP)
+ nfc->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
+ break;
+ case AH_V4_FLOW:
+ case ESP_V4_FLOW:
+ case IPV4_FLOW:
+ break;
+ case AH_V6_FLOW:
+ case ESP_V6_FLOW:
+ case IPV6_FLOW:
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int otx2_set_rss_hash_opts(struct otx2_nic *pfvf,
+ struct ethtool_rxnfc *nfc)
+{
+ struct otx2_rss_info *rss = &pfvf->hw.rss_info;
+ u32 rxh_l4 = RXH_L4_B_0_1 | RXH_L4_B_2_3;
+ u32 rss_cfg = rss->flowkey_cfg;
+
+ if (!rss->enable) {
+ netdev_err(pfvf->netdev,
+ "RSS is disabled, cannot change settings\n");
+ return -EIO;
+ }
+
+ /* Mimimum is IPv4 and IPv6, SIP/DIP */
+ if (!(nfc->data & RXH_IP_SRC) || !(nfc->data & RXH_IP_DST))
+ return -EINVAL;
+
+ if (nfc->data & RXH_VLAN)
+ rss_cfg |= NIX_FLOW_KEY_TYPE_VLAN;
+ else
+ rss_cfg &= ~NIX_FLOW_KEY_TYPE_VLAN;
+
+ switch (nfc->flow_type) {
+ case TCP_V4_FLOW:
+ case TCP_V6_FLOW:
+ /* Different config for v4 and v6 is not supported.
+ * Both of them have to be either 4-tuple or 2-tuple.
+ */
+ switch (nfc->data & rxh_l4) {
+ case 0:
+ rss_cfg &= ~NIX_FLOW_KEY_TYPE_TCP;
+ break;
+ case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
+ rss_cfg |= NIX_FLOW_KEY_TYPE_TCP;
+ break;
+ default:
+ return -EINVAL;
+ }
+ break;
+ case UDP_V4_FLOW:
+ case UDP_V6_FLOW:
+ switch (nfc->data & rxh_l4) {
+ case 0:
+ rss_cfg &= ~NIX_FLOW_KEY_TYPE_UDP;
+ break;
+ case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
+ rss_cfg |= NIX_FLOW_KEY_TYPE_UDP;
+ break;
+ default:
+ return -EINVAL;
+ }
+ break;
+ case SCTP_V4_FLOW:
+ case SCTP_V6_FLOW:
+ switch (nfc->data & rxh_l4) {
+ case 0:
+ rss_cfg &= ~NIX_FLOW_KEY_TYPE_SCTP;
+ break;
+ case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
+ rss_cfg |= NIX_FLOW_KEY_TYPE_SCTP;
+ break;
+ default:
+ return -EINVAL;
+ }
+ break;
+ case AH_ESP_V4_FLOW:
+ case AH_ESP_V6_FLOW:
+ switch (nfc->data & rxh_l4) {
+ case 0:
+ rss_cfg &= ~(NIX_FLOW_KEY_TYPE_ESP |
+ NIX_FLOW_KEY_TYPE_AH);
+ rss_cfg |= NIX_FLOW_KEY_TYPE_VLAN |
+ NIX_FLOW_KEY_TYPE_IPV4_PROTO;
+ break;
+ case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
+ /* If VLAN hashing is also requested for ESP then do not
+ * allow because of hardware 40 bytes flow key limit.
+ */
+ if (rss_cfg & NIX_FLOW_KEY_TYPE_VLAN) {
+ netdev_err(pfvf->netdev,
+ "RSS hash of ESP or AH with VLAN is not supported\n");
+ return -EOPNOTSUPP;
+ }
+
+ rss_cfg |= NIX_FLOW_KEY_TYPE_ESP | NIX_FLOW_KEY_TYPE_AH;
+ /* Disable IPv4 proto hashing since IPv6 SA+DA(32 bytes)
+ * and ESP SPI+sequence(8 bytes) uses hardware maximum
+ * limit of 40 byte flow key.
+ */
+ rss_cfg &= ~NIX_FLOW_KEY_TYPE_IPV4_PROTO;
+ break;
+ default:
+ return -EINVAL;
+ }
+ break;
+ case IPV4_FLOW:
+ case IPV6_FLOW:
+ rss_cfg = NIX_FLOW_KEY_TYPE_IPV4 | NIX_FLOW_KEY_TYPE_IPV6;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ rss->flowkey_cfg = rss_cfg;
+ otx2_set_flowkey_cfg(pfvf);
+ return 0;
+}
+
+static int otx2_get_rxnfc(struct net_device *dev,
+ struct ethtool_rxnfc *nfc, u32 *rules)
+{
+ bool ntuple = !!(dev->features & NETIF_F_NTUPLE);
+ struct otx2_nic *pfvf = netdev_priv(dev);
+ int ret = -EOPNOTSUPP;
+
+ switch (nfc->cmd) {
+ case ETHTOOL_GRXRINGS:
+ nfc->data = pfvf->hw.rx_queues;
+ ret = 0;
+ break;
+ case ETHTOOL_GRXCLSRLCNT:
+ if (netif_running(dev) && ntuple) {
+ nfc->rule_cnt = pfvf->flow_cfg->nr_flows;
+ ret = 0;
+ }
+ break;
+ case ETHTOOL_GRXCLSRULE:
+ if (netif_running(dev) && ntuple)
+ ret = otx2_get_flow(pfvf, nfc, nfc->fs.location);
+ break;
+ case ETHTOOL_GRXCLSRLALL:
+ if (netif_running(dev) && ntuple)
+ ret = otx2_get_all_flows(pfvf, nfc, rules);
+ break;
+ case ETHTOOL_GRXFH:
+ return otx2_get_rss_hash_opts(pfvf, nfc);
+ default:
+ break;
+ }
+ return ret;
+}
+
+static int otx2_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *nfc)
+{
+ bool ntuple = !!(dev->features & NETIF_F_NTUPLE);
+ struct otx2_nic *pfvf = netdev_priv(dev);
+ int ret = -EOPNOTSUPP;
+
+ pfvf->flow_cfg->ntuple = ntuple;
+ switch (nfc->cmd) {
+ case ETHTOOL_SRXFH:
+ ret = otx2_set_rss_hash_opts(pfvf, nfc);
+ break;
+ case ETHTOOL_SRXCLSRLINS:
+ if (netif_running(dev) && ntuple)
+ ret = otx2_add_flow(pfvf, nfc);
+ break;
+ case ETHTOOL_SRXCLSRLDEL:
+ if (netif_running(dev) && ntuple)
+ ret = otx2_remove_flow(pfvf, nfc->fs.location);
+ break;
+ default:
+ break;
+ }
+
+ return ret;
+}
+
+static u32 otx2_get_rxfh_key_size(struct net_device *netdev)
+{
+ struct otx2_nic *pfvf = netdev_priv(netdev);
+ struct otx2_rss_info *rss;
+
+ rss = &pfvf->hw.rss_info;
+
+ return sizeof(rss->key);
+}
+
+static u32 otx2_get_rxfh_indir_size(struct net_device *dev)
+{
+ return MAX_RSS_INDIR_TBL_SIZE;
+}
+
+static int otx2_rss_ctx_delete(struct otx2_nic *pfvf, int ctx_id)
+{
+ struct otx2_rss_info *rss = &pfvf->hw.rss_info;
+
+ otx2_rss_ctx_flow_del(pfvf, ctx_id);
+ kfree(rss->rss_ctx[ctx_id]);
+ rss->rss_ctx[ctx_id] = NULL;
+
+ return 0;
+}
+
+static int otx2_rss_ctx_create(struct otx2_nic *pfvf,
+ u32 *rss_context)
+{
+ struct otx2_rss_info *rss = &pfvf->hw.rss_info;
+ u8 ctx;
+
+ for (ctx = 0; ctx < MAX_RSS_GROUPS; ctx++) {
+ if (!rss->rss_ctx[ctx])
+ break;
+ }
+ if (ctx == MAX_RSS_GROUPS)
+ return -EINVAL;
+
+ rss->rss_ctx[ctx] = kzalloc(sizeof(*rss->rss_ctx[ctx]), GFP_KERNEL);
+ if (!rss->rss_ctx[ctx])
+ return -ENOMEM;
+ *rss_context = ctx;
+
+ return 0;
+}
+
+/* RSS context configuration */
+static int otx2_set_rxfh_context(struct net_device *dev, const u32 *indir,
+ const u8 *hkey, const u8 hfunc,
+ u32 *rss_context, bool delete)
+{
+ struct otx2_nic *pfvf = netdev_priv(dev);
+ struct otx2_rss_ctx *rss_ctx;
+ struct otx2_rss_info *rss;
+ int ret, idx;
+
+ if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
+ return -EOPNOTSUPP;
+
+ if (*rss_context != ETH_RXFH_CONTEXT_ALLOC &&
+ *rss_context >= MAX_RSS_GROUPS)
+ return -EINVAL;
+
+ rss = &pfvf->hw.rss_info;
+
+ if (!rss->enable) {
+ netdev_err(dev, "RSS is disabled, cannot change settings\n");
+ return -EIO;
+ }
+
+ if (hkey) {
+ memcpy(rss->key, hkey, sizeof(rss->key));
+ otx2_set_rss_key(pfvf);
+ }
+ if (delete)
+ return otx2_rss_ctx_delete(pfvf, *rss_context);
+
+ if (*rss_context == ETH_RXFH_CONTEXT_ALLOC) {
+ ret = otx2_rss_ctx_create(pfvf, rss_context);
+ if (ret)
+ return ret;
+ }
+ if (indir) {
+ rss_ctx = rss->rss_ctx[*rss_context];
+ for (idx = 0; idx < rss->rss_size; idx++)
+ rss_ctx->ind_tbl[idx] = indir[idx];
+ }
+ otx2_set_rss_table(pfvf, *rss_context);
+
+ return 0;
+}
+
+static int otx2_get_rxfh_context(struct net_device *dev, u32 *indir,
+ u8 *hkey, u8 *hfunc, u32 rss_context)
+{
+ struct otx2_nic *pfvf = netdev_priv(dev);
+ struct otx2_rss_ctx *rss_ctx;
+ struct otx2_rss_info *rss;
+ int idx, rx_queues;
+
+ rss = &pfvf->hw.rss_info;
+
+ if (hfunc)
+ *hfunc = ETH_RSS_HASH_TOP;
+
+ if (!indir)
+ return 0;
+
+ if (!rss->enable && rss_context == DEFAULT_RSS_CONTEXT_GROUP) {
+ rx_queues = pfvf->hw.rx_queues;
+ for (idx = 0; idx < MAX_RSS_INDIR_TBL_SIZE; idx++)
+ indir[idx] = ethtool_rxfh_indir_default(idx, rx_queues);
+ return 0;
+ }
+ if (rss_context >= MAX_RSS_GROUPS)
+ return -ENOENT;
+
+ rss_ctx = rss->rss_ctx[rss_context];
+ if (!rss_ctx)
+ return -ENOENT;
+
+ if (indir) {
+ for (idx = 0; idx < rss->rss_size; idx++)
+ indir[idx] = rss_ctx->ind_tbl[idx];
+ }
+ if (hkey)
+ memcpy(hkey, rss->key, sizeof(rss->key));
+
+ return 0;
+}
+
+/* Get RSS configuration */
+static int otx2_get_rxfh(struct net_device *dev, u32 *indir,
+ u8 *hkey, u8 *hfunc)
+{
+ return otx2_get_rxfh_context(dev, indir, hkey, hfunc,
+ DEFAULT_RSS_CONTEXT_GROUP);
+}
+
+/* Configure RSS table and hash key */
+static int otx2_set_rxfh(struct net_device *dev, const u32 *indir,
+ const u8 *hkey, const u8 hfunc)
+{
+
+ u32 rss_context = DEFAULT_RSS_CONTEXT_GROUP;
+
+ return otx2_set_rxfh_context(dev, indir, hkey, hfunc, &rss_context, 0);
+}
+
+static u32 otx2_get_msglevel(struct net_device *netdev)
+{
+ struct otx2_nic *pfvf = netdev_priv(netdev);
+
+ return pfvf->msg_enable;
+}
+
+static void otx2_set_msglevel(struct net_device *netdev, u32 val)
+{
+ struct otx2_nic *pfvf = netdev_priv(netdev);
+
+ pfvf->msg_enable = val;
+}
+
+static u32 otx2_get_link(struct net_device *netdev)
+{
+ struct otx2_nic *pfvf = netdev_priv(netdev);
+
+ /* LBK link is internal and always UP */
+ if (is_otx2_lbkvf(pfvf->pdev))
+ return 1;
+ return pfvf->linfo.link_up;
+}
+
+static int otx2_get_ts_info(struct net_device *netdev,
+ struct ethtool_ts_info *info)
+{
+ struct otx2_nic *pfvf = netdev_priv(netdev);
+
+ if (!pfvf->ptp)
+ return ethtool_op_get_ts_info(netdev, info);
+
+ info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
+ SOF_TIMESTAMPING_RX_SOFTWARE |
+ SOF_TIMESTAMPING_SOFTWARE |
+ SOF_TIMESTAMPING_TX_HARDWARE |
+ SOF_TIMESTAMPING_RX_HARDWARE |
+ SOF_TIMESTAMPING_RAW_HARDWARE;
+
+ info->phc_index = otx2_ptp_clock_index(pfvf);
+
+ info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON);
+ if (test_bit(CN10K_PTP_ONESTEP, &pfvf->hw.cap_flag))
+ info->tx_types |= BIT(HWTSTAMP_TX_ONESTEP_SYNC);
+
+ info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) |
+ BIT(HWTSTAMP_FILTER_ALL);
+
+ return 0;
+}
+
+static struct cgx_fw_data *otx2_get_fwdata(struct otx2_nic *pfvf)
+{
+ struct cgx_fw_data *rsp = NULL;
+ struct msg_req *req;
+ int err = 0;
+
+ mutex_lock(&pfvf->mbox.lock);
+ req = otx2_mbox_alloc_msg_cgx_get_aux_link_info(&pfvf->mbox);
+ if (!req) {
+ mutex_unlock(&pfvf->mbox.lock);
+ return ERR_PTR(-ENOMEM);
+ }
+
+ err = otx2_sync_mbox_msg(&pfvf->mbox);
+ if (!err) {
+ rsp = (struct cgx_fw_data *)
+ otx2_mbox_get_rsp(&pfvf->mbox.mbox, 0, &req->hdr);
+ } else {
+ rsp = ERR_PTR(err);
+ }
+
+ mutex_unlock(&pfvf->mbox.lock);
+ return rsp;
+}
+
+static int otx2_get_fecparam(struct net_device *netdev,
+ struct ethtool_fecparam *fecparam)
+{
+ struct otx2_nic *pfvf = netdev_priv(netdev);
+ struct cgx_fw_data *rsp;
+ const int fec[] = {
+ ETHTOOL_FEC_OFF,
+ ETHTOOL_FEC_BASER,
+ ETHTOOL_FEC_RS,
+ ETHTOOL_FEC_BASER | ETHTOOL_FEC_RS};
+#define FEC_MAX_INDEX 4
+ if (pfvf->linfo.fec < FEC_MAX_INDEX)
+ fecparam->active_fec = fec[pfvf->linfo.fec];
+
+ rsp = otx2_get_fwdata(pfvf);
+ if (IS_ERR(rsp))
+ return PTR_ERR(rsp);
+
+ if (rsp->fwdata.supported_fec < FEC_MAX_INDEX) {
+ if (!rsp->fwdata.supported_fec)
+ fecparam->fec = ETHTOOL_FEC_NONE;
+ else
+ fecparam->fec = fec[rsp->fwdata.supported_fec];
+ }
+ return 0;
+}
+
+static int otx2_set_fecparam(struct net_device *netdev,
+ struct ethtool_fecparam *fecparam)
+{
+ struct otx2_nic *pfvf = netdev_priv(netdev);
+ struct mbox *mbox = &pfvf->mbox;
+ struct fec_mode *req, *rsp;
+ int err = 0, fec = 0;
+
+ switch (fecparam->fec) {
+ /* Firmware does not support AUTO mode consider it as FEC_OFF */
+ case ETHTOOL_FEC_OFF:
+ case ETHTOOL_FEC_AUTO:
+ fec = OTX2_FEC_OFF;
+ break;
+ case ETHTOOL_FEC_RS:
+ fec = OTX2_FEC_RS;
+ break;
+ case ETHTOOL_FEC_BASER:
+ fec = OTX2_FEC_BASER;
+ break;
+ default:
+ netdev_warn(pfvf->netdev, "Unsupported FEC mode: %d",
+ fecparam->fec);
+ return -EINVAL;
+ }
+
+ if (fec == pfvf->linfo.fec)
+ return 0;
+
+ mutex_lock(&mbox->lock);
+ req = otx2_mbox_alloc_msg_cgx_set_fec_param(&pfvf->mbox);
+ if (!req) {
+ err = -ENOMEM;
+ goto end;
+ }
+ req->fec = fec;
+ err = otx2_sync_mbox_msg(&pfvf->mbox);
+ if (err)
+ goto end;
+
+ rsp = (struct fec_mode *)otx2_mbox_get_rsp(&pfvf->mbox.mbox,
+ 0, &req->hdr);
+ if (rsp->fec >= 0)
+ pfvf->linfo.fec = rsp->fec;
+ else
+ err = rsp->fec;
+end:
+ mutex_unlock(&mbox->lock);
+ return err;
+}
+
+static void otx2_get_fec_info(u64 index, int req_mode,
+ struct ethtool_link_ksettings *link_ksettings)
+{
+ __ETHTOOL_DECLARE_LINK_MODE_MASK(otx2_fec_modes) = { 0, };
+
+ switch (index) {
+ case OTX2_FEC_NONE:
+ linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_NONE_BIT,
+ otx2_fec_modes);
+ break;
+ case OTX2_FEC_BASER:
+ linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_BASER_BIT,
+ otx2_fec_modes);
+ break;
+ case OTX2_FEC_RS:
+ linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_RS_BIT,
+ otx2_fec_modes);
+ break;
+ case OTX2_FEC_BASER | OTX2_FEC_RS:
+ linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_BASER_BIT,
+ otx2_fec_modes);
+ linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_RS_BIT,
+ otx2_fec_modes);
+ break;
+ }
+
+ /* Add fec modes to existing modes */
+ if (req_mode == OTX2_MODE_ADVERTISED)
+ linkmode_or(link_ksettings->link_modes.advertising,
+ link_ksettings->link_modes.advertising,
+ otx2_fec_modes);
+ else
+ linkmode_or(link_ksettings->link_modes.supported,
+ link_ksettings->link_modes.supported,
+ otx2_fec_modes);
+}
+
+static void otx2_get_link_mode_info(u64 link_mode_bmap,
+ bool req_mode,
+ struct ethtool_link_ksettings
+ *link_ksettings)
+{
+ __ETHTOOL_DECLARE_LINK_MODE_MASK(otx2_link_modes) = { 0, };
+ const int otx2_sgmii_features[6] = {
+ ETHTOOL_LINK_MODE_10baseT_Half_BIT,
+ ETHTOOL_LINK_MODE_10baseT_Full_BIT,
+ ETHTOOL_LINK_MODE_100baseT_Half_BIT,
+ ETHTOOL_LINK_MODE_100baseT_Full_BIT,
+ ETHTOOL_LINK_MODE_1000baseT_Half_BIT,
+ ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
+ };
+ /* CGX link modes to Ethtool link mode mapping */
+ const int cgx_link_mode[27] = {
+ 0, /* SGMII Mode */
+ ETHTOOL_LINK_MODE_1000baseX_Full_BIT,
+ ETHTOOL_LINK_MODE_10000baseT_Full_BIT,
+ ETHTOOL_LINK_MODE_10000baseSR_Full_BIT,
+ ETHTOOL_LINK_MODE_10000baseLR_Full_BIT,
+ ETHTOOL_LINK_MODE_10000baseKR_Full_BIT,
+ 0,
+ ETHTOOL_LINK_MODE_25000baseSR_Full_BIT,
+ 0,
+ 0,
+ ETHTOOL_LINK_MODE_25000baseCR_Full_BIT,
+ ETHTOOL_LINK_MODE_25000baseKR_Full_BIT,
+ ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT,
+ ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT,
+ ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT,
+ ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT,
+ 0,
+ ETHTOOL_LINK_MODE_50000baseSR_Full_BIT,
+ 0,
+ ETHTOOL_LINK_MODE_50000baseLR_ER_FR_Full_BIT,
+ ETHTOOL_LINK_MODE_50000baseCR_Full_BIT,
+ ETHTOOL_LINK_MODE_50000baseKR_Full_BIT,
+ 0,
+ ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT,
+ ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT,
+ ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT,
+ ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT
+ };
+ u8 bit;
+
+ for_each_set_bit(bit, (unsigned long *)&link_mode_bmap, 27) {
+ /* SGMII mode is set */
+ if (bit == 0)
+ linkmode_set_bit_array(otx2_sgmii_features,
+ ARRAY_SIZE(otx2_sgmii_features),
+ otx2_link_modes);
+ else
+ linkmode_set_bit(cgx_link_mode[bit], otx2_link_modes);
+ }
+
+ if (req_mode == OTX2_MODE_ADVERTISED)
+ linkmode_copy(link_ksettings->link_modes.advertising,
+ otx2_link_modes);
+ else
+ linkmode_copy(link_ksettings->link_modes.supported,
+ otx2_link_modes);
+}
+
+static int otx2_get_link_ksettings(struct net_device *netdev,
+ struct ethtool_link_ksettings *cmd)
+{
+ struct otx2_nic *pfvf = netdev_priv(netdev);
+ struct cgx_fw_data *rsp = NULL;
+
+ cmd->base.duplex = pfvf->linfo.full_duplex;
+ cmd->base.speed = pfvf->linfo.speed;
+ cmd->base.autoneg = pfvf->linfo.an;
+
+ rsp = otx2_get_fwdata(pfvf);
+ if (IS_ERR(rsp))
+ return PTR_ERR(rsp);
+
+ if (rsp->fwdata.supported_an)
+ ethtool_link_ksettings_add_link_mode(cmd,
+ supported,
+ Autoneg);
+
+ otx2_get_link_mode_info(rsp->fwdata.advertised_link_modes,
+ OTX2_MODE_ADVERTISED, cmd);
+ otx2_get_fec_info(rsp->fwdata.advertised_fec,
+ OTX2_MODE_ADVERTISED, cmd);
+ otx2_get_link_mode_info(rsp->fwdata.supported_link_modes,
+ OTX2_MODE_SUPPORTED, cmd);
+ otx2_get_fec_info(rsp->fwdata.supported_fec,
+ OTX2_MODE_SUPPORTED, cmd);
+ return 0;
+}
+
+static void otx2_get_advertised_mode(const struct ethtool_link_ksettings *cmd,
+ u64 *mode)
+{
+ u32 bit_pos;
+
+ /* Firmware does not support requesting multiple advertised modes
+ * return first set bit
+ */
+ bit_pos = find_first_bit(cmd->link_modes.advertising,
+ __ETHTOOL_LINK_MODE_MASK_NBITS);
+ if (bit_pos != __ETHTOOL_LINK_MODE_MASK_NBITS)
+ *mode = bit_pos;
+}
+
+static int otx2_set_link_ksettings(struct net_device *netdev,
+ const struct ethtool_link_ksettings *cmd)
+{
+ struct otx2_nic *pf = netdev_priv(netdev);
+ struct ethtool_link_ksettings cur_ks;
+ struct cgx_set_link_mode_req *req;
+ struct mbox *mbox = &pf->mbox;
+ int err = 0;
+
+ memset(&cur_ks, 0, sizeof(struct ethtool_link_ksettings));
+
+ if (!ethtool_validate_speed(cmd->base.speed) ||
+ !ethtool_validate_duplex(cmd->base.duplex))
+ return -EINVAL;
+
+ if (cmd->base.autoneg != AUTONEG_ENABLE &&
+ cmd->base.autoneg != AUTONEG_DISABLE)
+ return -EINVAL;
+
+ otx2_get_link_ksettings(netdev, &cur_ks);
+
+ /* Check requested modes against supported modes by hardware */
+ if (!linkmode_subset(cmd->link_modes.advertising,
+ cur_ks.link_modes.supported))
+ return -EINVAL;
+
+ mutex_lock(&mbox->lock);
+ req = otx2_mbox_alloc_msg_cgx_set_link_mode(&pf->mbox);
+ if (!req) {
+ err = -ENOMEM;
+ goto end;
+ }
+
+ req->args.speed = cmd->base.speed;
+ /* firmware expects 1 for half duplex and 0 for full duplex
+ * hence inverting
+ */
+ req->args.duplex = cmd->base.duplex ^ 0x1;
+ req->args.an = cmd->base.autoneg;
+ otx2_get_advertised_mode(cmd, &req->args.mode);
+
+ err = otx2_sync_mbox_msg(&pf->mbox);
+end:
+ mutex_unlock(&mbox->lock);
+ return err;
+}
+
+static const struct ethtool_ops otx2_ethtool_ops = {
+ .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
+ ETHTOOL_COALESCE_MAX_FRAMES |
+ ETHTOOL_COALESCE_USE_ADAPTIVE,
+ .supported_ring_params = ETHTOOL_RING_USE_RX_BUF_LEN |
+ ETHTOOL_RING_USE_CQE_SIZE,
+ .get_link = otx2_get_link,
+ .get_drvinfo = otx2_get_drvinfo,
+ .get_strings = otx2_get_strings,
+ .get_ethtool_stats = otx2_get_ethtool_stats,
+ .get_sset_count = otx2_get_sset_count,
+ .set_channels = otx2_set_channels,
+ .get_channels = otx2_get_channels,
+ .get_ringparam = otx2_get_ringparam,
+ .set_ringparam = otx2_set_ringparam,
+ .get_coalesce = otx2_get_coalesce,
+ .set_coalesce = otx2_set_coalesce,
+ .get_rxnfc = otx2_get_rxnfc,
+ .set_rxnfc = otx2_set_rxnfc,
+ .get_rxfh_key_size = otx2_get_rxfh_key_size,
+ .get_rxfh_indir_size = otx2_get_rxfh_indir_size,
+ .get_rxfh = otx2_get_rxfh,
+ .set_rxfh = otx2_set_rxfh,
+ .get_rxfh_context = otx2_get_rxfh_context,
+ .set_rxfh_context = otx2_set_rxfh_context,
+ .get_msglevel = otx2_get_msglevel,
+ .set_msglevel = otx2_set_msglevel,
+ .get_pauseparam = otx2_get_pauseparam,
+ .set_pauseparam = otx2_set_pauseparam,
+ .get_ts_info = otx2_get_ts_info,
+ .get_fecparam = otx2_get_fecparam,
+ .set_fecparam = otx2_set_fecparam,
+ .get_link_ksettings = otx2_get_link_ksettings,
+ .set_link_ksettings = otx2_set_link_ksettings,
+};
+
+void otx2_set_ethtool_ops(struct net_device *netdev)
+{
+ netdev->ethtool_ops = &otx2_ethtool_ops;
+}
+
+/* VF's ethtool APIs */
+static void otx2vf_get_drvinfo(struct net_device *netdev,
+ struct ethtool_drvinfo *info)
+{
+ struct otx2_nic *vf = netdev_priv(netdev);
+
+ strscpy(info->driver, DRV_VF_NAME, sizeof(info->driver));
+ strscpy(info->bus_info, pci_name(vf->pdev), sizeof(info->bus_info));
+}
+
+static void otx2vf_get_strings(struct net_device *netdev, u32 sset, u8 *data)
+{
+ struct otx2_nic *vf = netdev_priv(netdev);
+ int stats;
+
+ if (sset != ETH_SS_STATS)
+ return;
+
+ for (stats = 0; stats < otx2_n_dev_stats; stats++) {
+ memcpy(data, otx2_dev_stats[stats].name, ETH_GSTRING_LEN);
+ data += ETH_GSTRING_LEN;
+ }
+
+ for (stats = 0; stats < otx2_n_drv_stats; stats++) {
+ memcpy(data, otx2_drv_stats[stats].name, ETH_GSTRING_LEN);
+ data += ETH_GSTRING_LEN;
+ }
+
+ otx2_get_qset_strings(vf, &data, 0);
+
+ strcpy(data, "reset_count");
+ data += ETH_GSTRING_LEN;
+}
+
+static void otx2vf_get_ethtool_stats(struct net_device *netdev,
+ struct ethtool_stats *stats, u64 *data)
+{
+ struct otx2_nic *vf = netdev_priv(netdev);
+ int stat;
+
+ otx2_get_dev_stats(vf);
+ for (stat = 0; stat < otx2_n_dev_stats; stat++)
+ *(data++) = ((u64 *)&vf->hw.dev_stats)
+ [otx2_dev_stats[stat].index];
+
+ for (stat = 0; stat < otx2_n_drv_stats; stat++)
+ *(data++) = atomic_read(&((atomic_t *)&vf->hw.drv_stats)
+ [otx2_drv_stats[stat].index]);
+
+ otx2_get_qset_stats(vf, stats, &data);
+ *(data++) = vf->reset_count;
+}
+
+static int otx2vf_get_sset_count(struct net_device *netdev, int sset)
+{
+ struct otx2_nic *vf = netdev_priv(netdev);
+ int qstats_count;
+
+ if (sset != ETH_SS_STATS)
+ return -EINVAL;
+
+ qstats_count = otx2_n_queue_stats *
+ (vf->hw.rx_queues + vf->hw.tx_queues);
+
+ return otx2_n_dev_stats + otx2_n_drv_stats + qstats_count + 1;
+}
+
+static int otx2vf_get_link_ksettings(struct net_device *netdev,
+ struct ethtool_link_ksettings *cmd)
+{
+ struct otx2_nic *pfvf = netdev_priv(netdev);
+
+ if (is_otx2_lbkvf(pfvf->pdev)) {
+ cmd->base.duplex = DUPLEX_FULL;
+ cmd->base.speed = SPEED_100000;
+ } else {
+ return otx2_get_link_ksettings(netdev, cmd);
+ }
+ return 0;
+}
+
+static const struct ethtool_ops otx2vf_ethtool_ops = {
+ .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
+ ETHTOOL_COALESCE_MAX_FRAMES |
+ ETHTOOL_COALESCE_USE_ADAPTIVE,
+ .supported_ring_params = ETHTOOL_RING_USE_RX_BUF_LEN |
+ ETHTOOL_RING_USE_CQE_SIZE,
+ .get_link = otx2_get_link,
+ .get_drvinfo = otx2vf_get_drvinfo,
+ .get_strings = otx2vf_get_strings,
+ .get_ethtool_stats = otx2vf_get_ethtool_stats,
+ .get_sset_count = otx2vf_get_sset_count,
+ .set_channels = otx2_set_channels,
+ .get_channels = otx2_get_channels,
+ .get_rxnfc = otx2_get_rxnfc,
+ .set_rxnfc = otx2_set_rxnfc,
+ .get_rxfh_key_size = otx2_get_rxfh_key_size,
+ .get_rxfh_indir_size = otx2_get_rxfh_indir_size,
+ .get_rxfh = otx2_get_rxfh,
+ .set_rxfh = otx2_set_rxfh,
+ .get_rxfh_context = otx2_get_rxfh_context,
+ .set_rxfh_context = otx2_set_rxfh_context,
+ .get_ringparam = otx2_get_ringparam,
+ .set_ringparam = otx2_set_ringparam,
+ .get_coalesce = otx2_get_coalesce,
+ .set_coalesce = otx2_set_coalesce,
+ .get_msglevel = otx2_get_msglevel,
+ .set_msglevel = otx2_set_msglevel,
+ .get_pauseparam = otx2_get_pauseparam,
+ .set_pauseparam = otx2_set_pauseparam,
+ .get_link_ksettings = otx2vf_get_link_ksettings,
+ .get_ts_info = otx2_get_ts_info,
+};
+
+void otx2vf_set_ethtool_ops(struct net_device *netdev)
+{
+ netdev->ethtool_ops = &otx2vf_ethtool_ops;
+}
+EXPORT_SYMBOL(otx2vf_set_ethtool_ops);