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Message-Id: <20241120105625.22508-14-Frank.Sae@motor-comm.com>
Date: Wed, 20 Nov 2024 18:56:17 +0800
From: Frank Sae <Frank.Sae@...or-comm.com>
To: davem@...emloft.net,
edumazet@...gle.com,
kuba@...nel.org,
pabeni@...hat.com
Cc: netdev@...r.kernel.org,
linux-kernel@...r.kernel.org,
xiaogang.fan@...or-comm.com,
fei.zhang@...or-comm.com,
hua.sun@...or-comm.com,
Frank.Sae@...or-comm.com
Subject: [PATCH net-next v2 13/21] motorcomm:yt6801: Implement some ethtool_ops function
Implement following callback function
.get_drvinfo
.get_link
.get_msglevel
.set_msglevel
.get_channels
.get_coalesce
.set_coalesce
.supported_coalesce_params
.get_strings
.get_sset_count
.get_ethtool_stats
.get_regs_len
.get_regs
.get_ringparam
.set_ringparam
.get_rxnfc
.set_rxnfc
.get_rxfh_indir_size
.get_rxfh_key_size
.get_rxfh
.set_rxfh
.nway_reset
.reset
.get_link_ksettings
.set_link_ksettings
.get_pauseparam
.set_pauseparam
Signed-off-by: Frank Sae <Frank.Sae@...or-comm.com>
---
.../motorcomm/yt6801/yt6801_ethtool.c | 738 ++++++++++++++++++
1 file changed, 738 insertions(+)
create mode 100644 drivers/net/ethernet/motorcomm/yt6801/yt6801_ethtool.c
diff --git a/drivers/net/ethernet/motorcomm/yt6801/yt6801_ethtool.c b/drivers/net/ethernet/motorcomm/yt6801/yt6801_ethtool.c
new file mode 100644
index 000000000..7989ccbc3
--- /dev/null
+++ b/drivers/net/ethernet/motorcomm/yt6801/yt6801_ethtool.c
@@ -0,0 +1,738 @@
+// SPDX-License-Identifier: GPL-2.0+
+/* Copyright (c) 2022 - 2024 Motorcomm Electronic Technology Co.,Ltd. */
+
+#include <linux/netdevice.h>
+#include <linux/ethtool.h>
+#include <linux/kernel.h>
+
+#include "yt6801_desc.h"
+#include "yt6801_net.h"
+
+struct fxgmac_stats_desc {
+ char stat_string[ETH_GSTRING_LEN];
+ int stat_offset;
+};
+
+#define FXGMAC_STAT(str, var) \
+ { \
+ str, offsetof(struct fxgmac_pdata, stats.var), \
+ }
+
+static const struct fxgmac_stats_desc fxgmac_gstring_stats[] = {
+ /* MMC TX counters */
+ FXGMAC_STAT("tx_bytes", txoctetcount_gb),
+ FXGMAC_STAT("tx_bytes_good", txoctetcount_g),
+ FXGMAC_STAT("tx_packets", txframecount_gb),
+ FXGMAC_STAT("tx_packets_good", txframecount_g),
+ FXGMAC_STAT("tx_unicast_packets", txunicastframes_gb),
+ FXGMAC_STAT("tx_broadcast_packets", txbroadcastframes_gb),
+ FXGMAC_STAT("tx_broadcast_packets_good", txbroadcastframes_g),
+ FXGMAC_STAT("tx_multicast_packets", txmulticastframes_gb),
+ FXGMAC_STAT("tx_multicast_packets_good", txmulticastframes_g),
+ FXGMAC_STAT("tx_vlan_packets_good", txvlanframes_g),
+ FXGMAC_STAT("tx_64_byte_packets", tx64octets_gb),
+ FXGMAC_STAT("tx_65_to_127_byte_packets", tx65to127octets_gb),
+ FXGMAC_STAT("tx_128_to_255_byte_packets", tx128to255octets_gb),
+ FXGMAC_STAT("tx_256_to_511_byte_packets", tx256to511octets_gb),
+ FXGMAC_STAT("tx_512_to_1023_byte_packets", tx512to1023octets_gb),
+ FXGMAC_STAT("tx_1024_to_max_byte_packets", tx1024tomaxoctets_gb),
+ FXGMAC_STAT("tx_underflow_errors", txunderflowerror),
+ FXGMAC_STAT("tx_pause_frames", txpauseframes),
+ FXGMAC_STAT("tx_single_collision", txsinglecollision_g),
+ FXGMAC_STAT("tx_multiple_collision", txmultiplecollision_g),
+ FXGMAC_STAT("tx_deferred_frames", txdeferredframes),
+ FXGMAC_STAT("tx_late_collision_frames", txlatecollisionframes),
+ FXGMAC_STAT("tx_excessive_collision_frames",
+ txexcessivecollisionframes),
+ FXGMAC_STAT("tx_carrier_error_frames", txcarriererrorframes),
+ FXGMAC_STAT("tx_excessive_deferral_error", txexcessivedeferralerror),
+ FXGMAC_STAT("tx_oversize_frames_good", txoversize_g),
+
+ /* MMC RX counters */
+ FXGMAC_STAT("rx_bytes", rxoctetcount_gb),
+ FXGMAC_STAT("rx_bytes_good", rxoctetcount_g),
+ FXGMAC_STAT("rx_packets", rxframecount_gb),
+ FXGMAC_STAT("rx_unicast_packets_good", rxunicastframes_g),
+ FXGMAC_STAT("rx_broadcast_packets_good", rxbroadcastframes_g),
+ FXGMAC_STAT("rx_multicast_packets_good", rxmulticastframes_g),
+ FXGMAC_STAT("rx_vlan_packets_mac", rxvlanframes_gb),
+ FXGMAC_STAT("rx_64_byte_packets", rx64octets_gb),
+ FXGMAC_STAT("rx_65_to_127_byte_packets", rx65to127octets_gb),
+ FXGMAC_STAT("rx_128_to_255_byte_packets", rx128to255octets_gb),
+ FXGMAC_STAT("rx_256_to_511_byte_packets", rx256to511octets_gb),
+ FXGMAC_STAT("rx_512_to_1023_byte_packets", rx512to1023octets_gb),
+ FXGMAC_STAT("rx_1024_to_max_byte_packets", rx1024tomaxoctets_gb),
+ FXGMAC_STAT("rx_undersize_packets_good", rxundersize_g),
+ FXGMAC_STAT("rx_oversize_packets_good", rxoversize_g),
+ FXGMAC_STAT("rx_crc_errors", rxcrcerror),
+ FXGMAC_STAT("rx_align_error", rxalignerror),
+ FXGMAC_STAT("rx_crc_errors_small_packets", rxrunterror),
+ FXGMAC_STAT("rx_crc_errors_giant_packets", rxjabbererror),
+ FXGMAC_STAT("rx_length_errors", rxlengtherror),
+ FXGMAC_STAT("rx_out_of_range_errors", rxoutofrangetype),
+ FXGMAC_STAT("rx_fifo_overflow_errors", rxfifooverflow),
+ FXGMAC_STAT("rx_watchdog_errors", rxwatchdogerror),
+ FXGMAC_STAT("rx_pause_frames", rxpauseframes),
+ FXGMAC_STAT("rx_receive_error_frames", rxreceiveerrorframe),
+ FXGMAC_STAT("rx_control_frames_good", rxcontrolframe_g),
+
+ /* Extra counters */
+ FXGMAC_STAT("tx_tso_packets", tx_tso_packets),
+ FXGMAC_STAT("rx_split_header_packets", rx_split_header_packets),
+ FXGMAC_STAT("tx_process_stopped", tx_process_stopped),
+ FXGMAC_STAT("rx_process_stopped", rx_process_stopped),
+ FXGMAC_STAT("tx_buffer_unavailable", tx_buffer_unavailable),
+ FXGMAC_STAT("rx_buffer_unavailable", rx_buffer_unavailable),
+ FXGMAC_STAT("fatal_bus_error", fatal_bus_error),
+ FXGMAC_STAT("tx_vlan_packets_net", tx_vlan_packets),
+ FXGMAC_STAT("rx_vlan_packets_net", rx_vlan_packets),
+ FXGMAC_STAT("napi_poll_isr", napi_poll_isr),
+ FXGMAC_STAT("napi_poll_txtimer", napi_poll_txtimer),
+ FXGMAC_STAT("alive_cnt_txtimer", cnt_alive_txtimer),
+ FXGMAC_STAT("ephy_poll_timer", ephy_poll_timer_cnt),
+ FXGMAC_STAT("mgmt_int_isr", mgmt_int_isr),
+};
+
+#define FXGMAC_STATS_COUNT ARRAY_SIZE(fxgmac_gstring_stats)
+
+static void fxgmac_ethtool_get_drvinfo(struct net_device *netdev,
+ struct ethtool_drvinfo *drvinfo)
+{
+ struct fxgmac_pdata *pdata = netdev_priv(netdev);
+ u32 ver = pdata->hw_feat.version;
+ u32 sver, devid, userver;
+
+ strscpy(drvinfo->version, pdata->drv_ver, sizeof(drvinfo->version));
+
+ /* S|SVER: MAC Version
+ * D|DEVID: Indicates the Device family
+ * U|USERVER: User-defined Version
+ */
+ sver = FXGMAC_GET_BITS(ver, MAC_VR_SVER_POS, MAC_VR_SVER_LEN);
+ devid = FXGMAC_GET_BITS(ver, MAC_VR_DEVID_POS, MAC_VR_DEVID_LEN);
+ userver = FXGMAC_GET_BITS(ver, MAC_VR_USERVER_POS, MAC_VR_USERVER_LEN);
+
+ snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
+ "S.D.U: %x.%x.%x", sver, devid, userver);
+}
+
+static u32 fxgmac_ethtool_get_msglevel(struct net_device *netdev)
+{
+ struct fxgmac_pdata *pdata = netdev_priv(netdev);
+
+ return pdata->msg_enable;
+}
+
+static void fxgmac_ethtool_set_msglevel(struct net_device *netdev, u32 msglevel)
+{
+ struct fxgmac_pdata *pdata = netdev_priv(netdev);
+
+ yt_dbg(pdata, "set msglvl from %08x to %08x\n", pdata->msg_enable,
+ msglevel);
+ pdata->msg_enable = msglevel;
+}
+
+static void fxgmac_ethtool_get_channels(struct net_device *netdev,
+ struct ethtool_channels *channel)
+{
+ struct fxgmac_pdata *pdata = netdev_priv(netdev);
+
+ /* report maximum channels */
+ channel->max_rx = FXGMAC_MAX_DMA_RX_CHANNELS;
+ channel->max_tx = FXGMAC_MAX_DMA_TX_CHANNELS;
+ channel->max_other = 0;
+ channel->max_combined =
+ channel->max_rx + channel->max_tx + channel->max_other;
+
+ yt_dbg(pdata, "channels max rx:%d, tx:%d, other:%d, combined:%d\n",
+ channel->max_rx, channel->max_tx, channel->max_other,
+ channel->max_combined);
+
+ channel->rx_count = pdata->rx_q_count;
+ channel->tx_count = FXGMAC_TX_1_Q;
+ channel->other_count = 0;
+ /* record RSS queues */
+ channel->combined_count =
+ channel->rx_count + channel->tx_count + channel->other_count;
+
+ yt_dbg(pdata, "channels count rx:%d, tx:%d, other:%d, combined:%d\n",
+ channel->rx_count, channel->tx_count, channel->other_count,
+ channel->combined_count);
+}
+
+static int
+fxgmac_ethtool_get_coalesce(struct net_device *netdev,
+ struct ethtool_coalesce *ec,
+ struct kernel_ethtool_coalesce *kernel_coal,
+ struct netlink_ext_ack *extack)
+
+{
+ struct fxgmac_pdata *pdata = netdev_priv(netdev);
+
+ memset(ec, 0, sizeof(struct ethtool_coalesce));
+ ec->rx_coalesce_usecs = pdata->rx_usecs;
+ ec->tx_coalesce_usecs = pdata->tx_usecs;
+
+ return 0;
+}
+
+#define FXGMAC_MAX_DMA_RIWT 0xff
+#define FXGMAC_MIN_DMA_RIWT 0x01
+
+static int
+fxgmac_ethtool_set_coalesce(struct net_device *netdev,
+ struct ethtool_coalesce *ec,
+ struct kernel_ethtool_coalesce *kernel_coal,
+ struct netlink_ext_ack *extack)
+{
+ struct fxgmac_pdata *pdata = netdev_priv(netdev);
+ struct fxgmac_hw_ops *hw_ops = &pdata->hw_ops;
+ unsigned int rx_frames, rx_riwt, rx_usecs;
+ unsigned int tx_frames;
+
+ /* Check for not supported parameters */
+ if (ec->rx_coalesce_usecs_irq || ec->rx_max_coalesced_frames_irq ||
+ ec->tx_coalesce_usecs_high || ec->tx_max_coalesced_frames_irq ||
+ ec->tx_coalesce_usecs_irq || ec->stats_block_coalesce_usecs ||
+ ec->pkt_rate_low || ec->use_adaptive_rx_coalesce ||
+ ec->use_adaptive_tx_coalesce || ec->rx_max_coalesced_frames_low ||
+ ec->rx_coalesce_usecs_low || ec->tx_coalesce_usecs_low ||
+ ec->tx_max_coalesced_frames_low || ec->pkt_rate_high ||
+ ec->rx_coalesce_usecs_high || ec->rx_max_coalesced_frames_high ||
+ ec->tx_max_coalesced_frames_high || ec->rate_sample_interval)
+ return -EOPNOTSUPP;
+
+ rx_usecs = ec->rx_coalesce_usecs;
+ rx_riwt = hw_ops->usec_to_riwt(pdata, rx_usecs);
+ rx_frames = ec->rx_max_coalesced_frames;
+ tx_frames = ec->tx_max_coalesced_frames;
+
+ if (rx_riwt > FXGMAC_MAX_DMA_RIWT || rx_riwt < FXGMAC_MIN_DMA_RIWT ||
+ rx_frames > pdata->rx_desc_count)
+ return -EINVAL;
+
+ if (tx_frames > pdata->tx_desc_count)
+ return -EINVAL;
+
+ pdata->rx_usecs = rx_usecs;
+ pdata->rx_frames = rx_frames;
+ pdata->rx_riwt = rx_riwt;
+ hw_ops->config_rx_coalesce(pdata);
+
+ pdata->tx_frames = tx_frames;
+ pdata->tx_usecs = ec->tx_coalesce_usecs;
+ hw_ops->set_interrupt_moderation(pdata);
+
+ return 0;
+}
+
+static u32 fxgmac_get_rxfh_key_size(struct net_device *netdev)
+{
+ return FXGMAC_RSS_HASH_KEY_SIZE;
+}
+
+static u32 fxgmac_rss_indir_size(struct net_device *netdev)
+{
+ return FXGMAC_RSS_MAX_TABLE_SIZE;
+}
+
+static void fxgmac_get_reta(struct fxgmac_pdata *pdata, u32 *indir)
+{
+ u16 rss_m = FXGMAC_MAX_DMA_RX_CHANNELS - 1;
+
+ for (u32 i = 0; i < FXGMAC_RSS_MAX_TABLE_SIZE; i++)
+ indir[i] = pdata->rss_table[i] & rss_m;
+}
+
+static int fxgmac_get_rxfh(struct net_device *netdev,
+ struct ethtool_rxfh_param *rxfh)
+{
+ struct fxgmac_pdata *pdata = netdev_priv(netdev);
+
+ if (rxfh->hfunc) {
+ rxfh->hfunc = ETH_RSS_HASH_TOP;
+ yt_dbg(pdata, "%s, hash function\n", __func__);
+ }
+
+ if (rxfh->indir) {
+ fxgmac_get_reta(pdata, rxfh->indir);
+ yt_dbg(pdata, "%s, indirection tab\n", __func__);
+ }
+
+ if (rxfh->key) {
+ memcpy(rxfh->key, pdata->rss_key,
+ fxgmac_get_rxfh_key_size(netdev));
+ yt_dbg(pdata, "%s, hash key\n", __func__);
+ }
+
+ return 0;
+}
+
+static int fxgmac_set_rxfh(struct net_device *netdev,
+ struct ethtool_rxfh_param *rxfh,
+ struct netlink_ext_ack *ack)
+{
+ u32 i, reta_entries = fxgmac_rss_indir_size(netdev);
+ struct fxgmac_pdata *pdata = netdev_priv(netdev);
+ struct fxgmac_hw_ops *hw_ops = &pdata->hw_ops;
+
+ yt_dbg(pdata, "%s, indir=%lx, key=%lx, func=%02x\n", __func__,
+ (unsigned long)rxfh->indir, (unsigned long)rxfh->key,
+ rxfh->hfunc);
+
+ if (rxfh->hfunc)
+ return -EINVAL;
+
+ /* Fill out the redirection table */
+ if (rxfh->indir) {
+ /* double check user input. */
+ for (i = 0; i < reta_entries; i++)
+ if (rxfh->indir[i] >= FXGMAC_MAX_DMA_RX_CHANNELS)
+ return -EINVAL;
+
+ for (i = 0; i < reta_entries; i++)
+ pdata->rss_table[i] = rxfh->indir[i];
+
+ hw_ops->write_rss_lookup_table(pdata);
+ }
+
+ /* Fill out the rss hash key */
+ if (rxfh->key)
+ hw_ops->set_rss_hash_key(pdata, rxfh->key);
+
+ return 0;
+}
+
+static int fxgmac_get_rss_hash_opts(struct fxgmac_pdata *pdata,
+ struct ethtool_rxnfc *cmd)
+{
+ struct fxgmac_hw_ops *hw_ops = &pdata->hw_ops;
+ u32 reg_opt;
+
+ cmd->data = 0;
+ reg_opt = hw_ops->get_rss_options(pdata);
+ yt_dbg(pdata, "%s, hw=%02x, %02x\n", __func__, reg_opt,
+ pdata->rss_options);
+
+ if (reg_opt != pdata->rss_options)
+ yt_dbg(pdata, "warning, options are not consistent\n");
+
+ /* Report default options for RSS */
+ switch (cmd->flow_type) {
+ case TCP_V4_FLOW:
+ case UDP_V4_FLOW:
+ if ((cmd->flow_type == TCP_V4_FLOW &&
+ (pdata->rss_options & FXGMAC_RSS_TCP4TE)) ||
+ (cmd->flow_type == UDP_V4_FLOW &&
+ (pdata->rss_options & FXGMAC_RSS_UDP4TE))) {
+ cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
+ }
+ fallthrough;
+ case SCTP_V4_FLOW:
+ case AH_ESP_V4_FLOW:
+ case AH_V4_FLOW:
+ case ESP_V4_FLOW:
+ case IPV4_FLOW:
+ if ((cmd->flow_type == TCP_V4_FLOW &&
+ (pdata->rss_options & FXGMAC_RSS_TCP4TE)) ||
+ (cmd->flow_type == UDP_V4_FLOW &&
+ (pdata->rss_options & FXGMAC_RSS_UDP4TE)) ||
+ (pdata->rss_options & BIT(FXGMAC_RSS_IP4TE))) {
+ cmd->data |= RXH_IP_SRC | RXH_IP_DST;
+ }
+ break;
+ case TCP_V6_FLOW:
+ case UDP_V6_FLOW:
+ if ((cmd->flow_type == TCP_V6_FLOW &&
+ (pdata->rss_options & FXGMAC_RSS_TCP6TE)) ||
+ (cmd->flow_type == UDP_V6_FLOW &&
+ (pdata->rss_options & FXGMAC_RSS_UDP6TE))) {
+ cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
+ }
+ fallthrough;
+ case SCTP_V6_FLOW:
+ case AH_ESP_V6_FLOW:
+ case AH_V6_FLOW:
+ case ESP_V6_FLOW:
+ case IPV6_FLOW:
+ if ((cmd->flow_type == TCP_V6_FLOW &&
+ (pdata->rss_options & FXGMAC_RSS_TCP6TE)) ||
+ (cmd->flow_type == UDP_V6_FLOW &&
+ (pdata->rss_options & FXGMAC_RSS_UDP6TE)) ||
+ (pdata->rss_options & FXGMAC_RSS_IP6TE)) {
+ cmd->data |= RXH_IP_SRC | RXH_IP_DST;
+ }
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int fxgmac_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
+ u32 *rule_locs)
+{
+ struct fxgmac_pdata *pdata = netdev_priv(dev);
+ int ret = 0;
+
+ switch (cmd->cmd) {
+ case ETHTOOL_GRXRINGS:
+ cmd->data = pdata->rx_q_count;
+ yt_dbg(pdata, "%s, rx ring cnt\n", __func__);
+ break;
+ case ETHTOOL_GRXCLSRLCNT:
+ cmd->rule_cnt = 0;
+ yt_dbg(pdata, "%s, classify rule cnt\n", __func__);
+ break;
+ case ETHTOOL_GRXCLSRULE:
+ yt_dbg(pdata, "%s, classify rules\n", __func__);
+ break;
+ case ETHTOOL_GRXCLSRLALL:
+ cmd->rule_cnt = 0;
+ yt_dbg(pdata, "%s, classify both cnt and rules\n", __func__);
+ break;
+ case ETHTOOL_GRXFH:
+ ret = fxgmac_get_rss_hash_opts(pdata, cmd);
+ yt_dbg(pdata, "%s, hash options\n", __func__);
+ break;
+ default:
+ ret = -EOPNOTSUPP;
+ break;
+ }
+
+ return ret;
+}
+
+#define UDP_RSS_FLAGS (FXGMAC_RSS_UDP4TE | FXGMAC_RSS_UDP6TE)
+
+static int fxgmac_set_rss_hash_opt(struct fxgmac_pdata *pdata,
+ struct ethtool_rxnfc *nfc)
+{
+ struct fxgmac_hw_ops *hw_ops = &pdata->hw_ops;
+ __u64 data = nfc->data;
+ u32 rssopt = 0;
+
+ yt_dbg(pdata, "%s nfc_data=%llx,cur opt=%x\n", __func__, data,
+ pdata->rss_options);
+
+ /* For RSS, it does not support anything other than hashing
+ * to queues on src,dst IPs and L4 ports
+ */
+ if (data & ~(RXH_IP_SRC | RXH_IP_DST | RXH_L4_B_0_1 | RXH_L4_B_2_3))
+ return -EINVAL;
+
+ switch (nfc->flow_type) {
+ case TCP_V4_FLOW:
+ case TCP_V6_FLOW:
+ /* default to TCP flow and do nothting */
+ if (!(data &
+ (RXH_IP_SRC | RXH_IP_DST | RXH_L4_B_0_1 | RXH_L4_B_2_3)))
+ return -EINVAL;
+ if (nfc->flow_type == TCP_V4_FLOW)
+ rssopt |= BIT(FXGMAC_RSS_IP4TE) | FXGMAC_RSS_TCP4TE;
+ if (nfc->flow_type == TCP_V6_FLOW)
+ rssopt |= FXGMAC_RSS_IP6TE | FXGMAC_RSS_TCP6TE;
+ break;
+ case UDP_V4_FLOW:
+ if (!(data & (RXH_IP_SRC | RXH_IP_DST)))
+ return -EINVAL;
+ rssopt |= BIT(FXGMAC_RSS_IP4TE);
+ switch (data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
+ case 0:
+ break;
+ case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
+ rssopt |= FXGMAC_RSS_UDP4TE;
+ break;
+ default:
+ return -EINVAL;
+ }
+ break;
+ case UDP_V6_FLOW:
+ if (!(data & (RXH_IP_SRC | RXH_IP_DST)))
+ return -EINVAL;
+ rssopt |= FXGMAC_RSS_IP6TE;
+
+ switch (data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
+ case 0:
+ break;
+ case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
+ rssopt |= FXGMAC_RSS_UDP6TE;
+ break;
+ default:
+ return -EINVAL;
+ }
+ break;
+ case AH_ESP_V4_FLOW:
+ case AH_V4_FLOW:
+ case ESP_V4_FLOW:
+ case SCTP_V4_FLOW:
+ case AH_ESP_V6_FLOW:
+ case AH_V6_FLOW:
+ case ESP_V6_FLOW:
+ case SCTP_V6_FLOW:
+ if (!(data &
+ (RXH_IP_SRC | RXH_IP_DST | RXH_L4_B_0_1 | RXH_L4_B_2_3)))
+ return -EINVAL;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ /* if options are changed, then update to hw */
+ if (rssopt != pdata->rss_options) {
+ if ((rssopt & UDP_RSS_FLAGS) &&
+ !(pdata->rss_options & UDP_RSS_FLAGS))
+ yt_dbg(pdata,
+ "enabling UDP RSS: fragmented packets may arrive out of order to the stack above.");
+
+ yt_dbg(pdata, "rss option changed from %x to %x\n",
+ pdata->rss_options, rssopt);
+ pdata->rss_options = rssopt;
+ hw_ops->set_rss_options(pdata);
+ }
+
+ return 0;
+}
+
+static int fxgmac_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
+{
+ struct fxgmac_pdata *pdata = netdev_priv(dev);
+ int ret = -EOPNOTSUPP;
+
+ switch (cmd->cmd) {
+ case ETHTOOL_SRXCLSRLINS:
+ yt_dbg(pdata, "%s, rx cls rule insert-n\\a\n", __func__);
+ break;
+ case ETHTOOL_SRXCLSRLDEL:
+ yt_dbg(pdata, "%s, rx cls rule del-n\\a\n", __func__);
+ break;
+ case ETHTOOL_SRXFH:
+ yt_dbg(pdata, "%s, rx rss option\n", __func__);
+ ret = fxgmac_set_rss_hash_opt(pdata, cmd);
+ break;
+ default:
+ break;
+ }
+
+ return ret;
+}
+
+static void fxgmac_get_ringparam(struct net_device *netdev,
+ struct ethtool_ringparam *ring,
+ struct kernel_ethtool_ringparam *kernel_ring,
+ struct netlink_ext_ack *exact)
+{
+ struct fxgmac_pdata *pdata = netdev_priv(netdev);
+
+ ring->rx_max_pending = FXGMAC_RX_DESC_CNT;
+ ring->tx_max_pending = FXGMAC_TX_DESC_CNT;
+ ring->rx_mini_max_pending = 0;
+ ring->rx_jumbo_max_pending = 0;
+ ring->rx_pending = pdata->rx_desc_count;
+ ring->tx_pending = pdata->tx_desc_count;
+ ring->rx_mini_pending = 0;
+ ring->rx_jumbo_pending = 0;
+}
+
+static int fxgmac_set_ringparam(struct net_device *netdev,
+ struct ethtool_ringparam *ring,
+ struct kernel_ethtool_ringparam *kernel_ring,
+ struct netlink_ext_ack *exact)
+
+{
+ struct fxgmac_pdata *pdata = netdev_priv(netdev);
+ int ret;
+
+ if (pdata->dev_state != FXGMAC_DEV_START)
+ return 0;
+
+ mutex_lock(&pdata->mutex);
+ pdata->tx_desc_count = ring->tx_pending;
+ pdata->rx_desc_count = ring->rx_pending;
+
+ fxgmac_stop(pdata);
+ fxgmac_free_tx_data(pdata);
+ fxgmac_free_rx_data(pdata);
+ ret = fxgmac_channels_rings_alloc(pdata);
+ if (ret < 0)
+ goto unlock;
+
+ ret = fxgmac_start(pdata);
+
+unlock:
+ mutex_unlock(&pdata->mutex);
+ return ret;
+}
+
+static int fxgmac_get_regs_len(struct net_device __always_unused *netdev)
+{
+ return FXGMAC_PHY_REG_CNT * sizeof(u32);
+}
+
+static void fxgmac_get_regs(struct net_device *netdev,
+ struct ethtool_regs *regs, void *p)
+{
+ struct fxgmac_pdata *pdata = netdev_priv(netdev);
+ u32 *regs_buff = p;
+
+ memset(p, 0, FXGMAC_PHY_REG_CNT * sizeof(u32));
+ for (u32 i = MII_BMCR; i < FXGMAC_PHY_REG_CNT; i++)
+ regs_buff[i] = phy_read(pdata->phydev, i);
+
+ regs->version = regs_buff[MII_PHYSID1] << 16 | regs_buff[MII_PHYSID2];
+}
+
+static void fxgmac_get_pauseparam(struct net_device *dev,
+ struct ethtool_pauseparam *data)
+{
+ struct fxgmac_pdata *yt = netdev_priv(dev);
+ bool tx_pause, rx_pause;
+
+ phy_get_pause(yt->phydev, &tx_pause, &rx_pause);
+
+ data->autoneg = yt->phydev->autoneg;
+ data->tx_pause = tx_pause ? 1 : 0;
+ data->rx_pause = rx_pause ? 1 : 0;
+
+ yt_dbg(yt, "%s, rx=%d, tx=%d\n", __func__, data->rx_pause,
+ data->tx_pause);
+}
+
+static int fxgmac_set_pauseparam(struct net_device *dev,
+ struct ethtool_pauseparam *data)
+{
+ struct fxgmac_pdata *yt = netdev_priv(dev);
+
+ if (dev->mtu > ETH_DATA_LEN)
+ return -EOPNOTSUPP;
+
+ phy_set_asym_pause(yt->phydev, data->rx_pause, data->tx_pause);
+
+ yt_dbg(yt, "%s, autoneg=%d, rx=%d, tx=%d\n", __func__,
+ data->autoneg, data->rx_pause, data->tx_pause);
+
+ return 0;
+}
+
+static void fxgmac_ethtool_get_strings(struct net_device *netdev, u32 stringset,
+ u8 *data)
+{
+ switch (stringset) {
+ case ETH_SS_STATS:
+ for (u32 i = 0; i < FXGMAC_STATS_COUNT; i++) {
+ memcpy(data, fxgmac_gstring_stats[i].stat_string,
+ strlen(fxgmac_gstring_stats[i].stat_string));
+ data += ETH_GSTRING_LEN;
+ }
+ break;
+ default:
+ WARN_ON(1);
+ break;
+ }
+}
+
+static int fxgmac_ethtool_get_sset_count(struct net_device *netdev,
+ int stringset)
+{
+ int ret;
+
+ switch (stringset) {
+ case ETH_SS_STATS:
+ ret = FXGMAC_STATS_COUNT;
+ break;
+
+ default:
+ ret = -EOPNOTSUPP;
+ }
+
+ return ret;
+}
+
+static void fxgmac_ethtool_get_ethtool_stats(struct net_device *netdev,
+ struct ethtool_stats *stats,
+ u64 *data)
+{
+ struct fxgmac_pdata *pdata = netdev_priv(netdev);
+
+ if (!test_bit(FXGMAC_POWER_STATE_DOWN, &pdata->powerstate))
+ pdata->hw_ops.read_mmc_stats(pdata);
+
+ for (u32 i = 0; i < FXGMAC_STATS_COUNT; i++)
+ *data++ = *(u64 *)((u8 *)pdata +
+ fxgmac_gstring_stats[i].stat_offset);
+}
+
+static int fxgmac_ethtool_reset(struct net_device *netdev, u32 *flag)
+{
+ struct fxgmac_pdata *pdata = netdev_priv(netdev);
+ int ret = 0;
+ u32 val;
+
+ val = *flag & (ETH_RESET_ALL | ETH_RESET_PHY);
+ if (!val) {
+ yt_err(pdata, "Operation not support.\n");
+ return -EOPNOTSUPP;
+ }
+
+ switch (*flag) {
+ case ETH_RESET_ALL:
+ fxgmac_restart(pdata);
+ *flag = 0;
+ break;
+ case ETH_RESET_PHY:
+ /* Power off and on the phy in order to properly
+ * configure the MAC timing
+ */
+ ret = phy_modify(pdata->phydev, MII_BMCR, BMCR_PDOWN,
+ BMCR_PDOWN);
+ if (ret < 0)
+ return ret;
+ fsleep(9000);
+
+ ret = phy_modify(pdata->phydev, MII_BMCR, BMCR_PDOWN, 0);
+ if (ret < 0)
+ return ret;
+ *flag = 0;
+ break;
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+static const struct ethtool_ops fxgmac_ethtool_ops = {
+ .get_drvinfo = fxgmac_ethtool_get_drvinfo,
+ .get_link = ethtool_op_get_link,
+ .get_msglevel = fxgmac_ethtool_get_msglevel,
+ .set_msglevel = fxgmac_ethtool_set_msglevel,
+ .get_channels = fxgmac_ethtool_get_channels,
+ .get_coalesce = fxgmac_ethtool_get_coalesce,
+ .set_coalesce = fxgmac_ethtool_set_coalesce,
+ .reset = fxgmac_ethtool_reset,
+ .supported_coalesce_params = ETHTOOL_COALESCE_USECS,
+ .get_strings = fxgmac_ethtool_get_strings,
+ .get_sset_count = fxgmac_ethtool_get_sset_count,
+ .get_ethtool_stats = fxgmac_ethtool_get_ethtool_stats,
+ .get_regs_len = fxgmac_get_regs_len,
+ .get_regs = fxgmac_get_regs,
+ .get_ringparam = fxgmac_get_ringparam,
+ .set_ringparam = fxgmac_set_ringparam,
+ .get_rxnfc = fxgmac_get_rxnfc,
+ .set_rxnfc = fxgmac_set_rxnfc,
+ .get_rxfh_indir_size = fxgmac_rss_indir_size,
+ .get_rxfh_key_size = fxgmac_get_rxfh_key_size,
+ .get_rxfh = fxgmac_get_rxfh,
+ .set_rxfh = fxgmac_set_rxfh,
+ .nway_reset = phy_ethtool_nway_reset,
+ .get_link_ksettings = phy_ethtool_get_link_ksettings,
+ .set_link_ksettings = phy_ethtool_set_link_ksettings,
+ .get_pauseparam = fxgmac_get_pauseparam,
+ .set_pauseparam = fxgmac_set_pauseparam,
+};
+
+const struct ethtool_ops *fxgmac_get_ethtool_ops(void)
+{
+ return &fxgmac_ethtool_ops;
+}
--
2.34.1
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