new file mode 100644
@@ -0,0 +1,97 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
+
+#ifndef _FUN_PORT_H
+#define _FUN_PORT_H
+
+enum port_mac_rx_stats {
+ PORT_MAC_RX_etherStatsOctets = 0x0,
+ PORT_MAC_RX_OctetsReceivedOK = 0x1,
+ PORT_MAC_RX_aAlignmentErrors = 0x2,
+ PORT_MAC_RX_aPAUSEMACCtrlFramesReceived = 0x3,
+ PORT_MAC_RX_aFrameTooLongErrors = 0x4,
+ PORT_MAC_RX_aInRangeLengthErrors = 0x5,
+ PORT_MAC_RX_aFramesReceivedOK = 0x6,
+ PORT_MAC_RX_aFrameCheckSequenceErrors = 0x7,
+ PORT_MAC_RX_VLANReceivedOK = 0x8,
+ PORT_MAC_RX_ifInErrors = 0x9,
+ PORT_MAC_RX_ifInUcastPkts = 0xa,
+ PORT_MAC_RX_ifInMulticastPkts = 0xb,
+ PORT_MAC_RX_ifInBroadcastPkts = 0xc,
+ PORT_MAC_RX_etherStatsDropEvents = 0xd,
+ PORT_MAC_RX_etherStatsPkts = 0xe,
+ PORT_MAC_RX_etherStatsUndersizePkts = 0xf,
+ PORT_MAC_RX_etherStatsPkts64Octets = 0x10,
+ PORT_MAC_RX_etherStatsPkts65to127Octets = 0x11,
+ PORT_MAC_RX_etherStatsPkts128to255Octets = 0x12,
+ PORT_MAC_RX_etherStatsPkts256to511Octets = 0x13,
+ PORT_MAC_RX_etherStatsPkts512to1023Octets = 0x14,
+ PORT_MAC_RX_etherStatsPkts1024to1518Octets = 0x15,
+ PORT_MAC_RX_etherStatsPkts1519toMaxOctets = 0x16,
+ PORT_MAC_RX_etherStatsOversizePkts = 0x17,
+ PORT_MAC_RX_etherStatsJabbers = 0x18,
+ PORT_MAC_RX_etherStatsFragments = 0x19,
+ PORT_MAC_RX_CBFCPAUSEFramesReceived_0 = 0x1a,
+ PORT_MAC_RX_CBFCPAUSEFramesReceived_1 = 0x1b,
+ PORT_MAC_RX_CBFCPAUSEFramesReceived_2 = 0x1c,
+ PORT_MAC_RX_CBFCPAUSEFramesReceived_3 = 0x1d,
+ PORT_MAC_RX_CBFCPAUSEFramesReceived_4 = 0x1e,
+ PORT_MAC_RX_CBFCPAUSEFramesReceived_5 = 0x1f,
+ PORT_MAC_RX_CBFCPAUSEFramesReceived_6 = 0x20,
+ PORT_MAC_RX_CBFCPAUSEFramesReceived_7 = 0x21,
+ PORT_MAC_RX_CBFCPAUSEFramesReceived_8 = 0x22,
+ PORT_MAC_RX_CBFCPAUSEFramesReceived_9 = 0x23,
+ PORT_MAC_RX_CBFCPAUSEFramesReceived_10 = 0x24,
+ PORT_MAC_RX_CBFCPAUSEFramesReceived_11 = 0x25,
+ PORT_MAC_RX_CBFCPAUSEFramesReceived_12 = 0x26,
+ PORT_MAC_RX_CBFCPAUSEFramesReceived_13 = 0x27,
+ PORT_MAC_RX_CBFCPAUSEFramesReceived_14 = 0x28,
+ PORT_MAC_RX_CBFCPAUSEFramesReceived_15 = 0x29,
+ PORT_MAC_RX_MACControlFramesReceived = 0x2a,
+ PORT_MAC_RX_STATS_MAX = 0x2b,
+};
+
+enum port_mac_tx_stats {
+ PORT_MAC_TX_etherStatsOctets = 0x0,
+ PORT_MAC_TX_OctetsTransmittedOK = 0x1,
+ PORT_MAC_TX_aPAUSEMACCtrlFramesTransmitted = 0x2,
+ PORT_MAC_TX_aFramesTransmittedOK = 0x3,
+ PORT_MAC_TX_VLANTransmittedOK = 0x4,
+ PORT_MAC_TX_ifOutErrors = 0x5,
+ PORT_MAC_TX_ifOutUcastPkts = 0x6,
+ PORT_MAC_TX_ifOutMulticastPkts = 0x7,
+ PORT_MAC_TX_ifOutBroadcastPkts = 0x8,
+ PORT_MAC_TX_etherStatsPkts64Octets = 0x9,
+ PORT_MAC_TX_etherStatsPkts65to127Octets = 0xa,
+ PORT_MAC_TX_etherStatsPkts128to255Octets = 0xb,
+ PORT_MAC_TX_etherStatsPkts256to511Octets = 0xc,
+ PORT_MAC_TX_etherStatsPkts512to1023Octets = 0xd,
+ PORT_MAC_TX_etherStatsPkts1024to1518Octets = 0xe,
+ PORT_MAC_TX_etherStatsPkts1519toMaxOctets = 0xf,
+ PORT_MAC_TX_CBFCPAUSEFramesTransmitted_0 = 0x10,
+ PORT_MAC_TX_CBFCPAUSEFramesTransmitted_1 = 0x11,
+ PORT_MAC_TX_CBFCPAUSEFramesTransmitted_2 = 0x12,
+ PORT_MAC_TX_CBFCPAUSEFramesTransmitted_3 = 0x13,
+ PORT_MAC_TX_CBFCPAUSEFramesTransmitted_4 = 0x14,
+ PORT_MAC_TX_CBFCPAUSEFramesTransmitted_5 = 0x15,
+ PORT_MAC_TX_CBFCPAUSEFramesTransmitted_6 = 0x16,
+ PORT_MAC_TX_CBFCPAUSEFramesTransmitted_7 = 0x17,
+ PORT_MAC_TX_CBFCPAUSEFramesTransmitted_8 = 0x18,
+ PORT_MAC_TX_CBFCPAUSEFramesTransmitted_9 = 0x19,
+ PORT_MAC_TX_CBFCPAUSEFramesTransmitted_10 = 0x1a,
+ PORT_MAC_TX_CBFCPAUSEFramesTransmitted_11 = 0x1b,
+ PORT_MAC_TX_CBFCPAUSEFramesTransmitted_12 = 0x1c,
+ PORT_MAC_TX_CBFCPAUSEFramesTransmitted_13 = 0x1d,
+ PORT_MAC_TX_CBFCPAUSEFramesTransmitted_14 = 0x1e,
+ PORT_MAC_TX_CBFCPAUSEFramesTransmitted_15 = 0x1f,
+ PORT_MAC_TX_MACControlFramesTransmitted = 0x20,
+ PORT_MAC_TX_etherStatsPkts = 0x21,
+ PORT_MAC_TX_STATS_MAX = 0x22,
+};
+
+enum port_mac_fec_stats {
+ PORT_MAC_FEC_Correctable = 0x0,
+ PORT_MAC_FEC_Uncorrectable = 0x1,
+ PORT_MAC_FEC_STATS_MAX = 0x2,
+};
+
+#endif /* _FUN_PORT_H */
new file mode 100644
@@ -0,0 +1,1168 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
+
+#include <linux/ethtool.h>
+#include <linux/linkmode.h>
+#include <linux/netdevice.h>
+#include <linux/nvme.h>
+#include <linux/io.h>
+#include <linux/io-64-nonatomic-lo-hi.h>
+#include <linux/pci.h>
+#include <linux/rtnetlink.h>
+#include "funeth.h"
+#include "fun_port.h"
+#include "funeth_txrx.h"
+
+/* Min queue depth. The smallest power-of-2 supporting jumbo frames with 4K
+ * pages is 8. Require it for all types of queues though some could work with
+ * fewer entries.
+ */
+#define FUNETH_MIN_QDEPTH 8
+
+static const char mac_tx_stat_names[][ETH_GSTRING_LEN] = {
+ "mac_tx_octets_total",
+ "mac_tx_frames_total",
+ "mac_tx_vlan_frames_ok",
+ "mac_tx_unicast_frames",
+ "mac_tx_multicast_frames",
+ "mac_tx_broadcast_frames",
+ "mac_tx_errors",
+ "mac_tx_CBFCPAUSE0",
+ "mac_tx_CBFCPAUSE1",
+ "mac_tx_CBFCPAUSE2",
+ "mac_tx_CBFCPAUSE3",
+ "mac_tx_CBFCPAUSE4",
+ "mac_tx_CBFCPAUSE5",
+ "mac_tx_CBFCPAUSE6",
+ "mac_tx_CBFCPAUSE7",
+ "mac_tx_CBFCPAUSE8",
+ "mac_tx_CBFCPAUSE9",
+ "mac_tx_CBFCPAUSE10",
+ "mac_tx_CBFCPAUSE11",
+ "mac_tx_CBFCPAUSE12",
+ "mac_tx_CBFCPAUSE13",
+ "mac_tx_CBFCPAUSE14",
+ "mac_tx_CBFCPAUSE15",
+};
+
+static const char mac_rx_stat_names[][ETH_GSTRING_LEN] = {
+ "mac_rx_octets_total",
+ "mac_rx_frames_total",
+ "mac_rx_VLAN_frames_ok",
+ "mac_rx_unicast_frames",
+ "mac_rx_multicast_frames",
+ "mac_rx_broadcast_frames",
+ "mac_rx_drop_events",
+ "mac_rx_errors",
+ "mac_rx_alignment_errors",
+ "mac_rx_CBFCPAUSE0",
+ "mac_rx_CBFCPAUSE1",
+ "mac_rx_CBFCPAUSE2",
+ "mac_rx_CBFCPAUSE3",
+ "mac_rx_CBFCPAUSE4",
+ "mac_rx_CBFCPAUSE5",
+ "mac_rx_CBFCPAUSE6",
+ "mac_rx_CBFCPAUSE7",
+ "mac_rx_CBFCPAUSE8",
+ "mac_rx_CBFCPAUSE9",
+ "mac_rx_CBFCPAUSE10",
+ "mac_rx_CBFCPAUSE11",
+ "mac_rx_CBFCPAUSE12",
+ "mac_rx_CBFCPAUSE13",
+ "mac_rx_CBFCPAUSE14",
+ "mac_rx_CBFCPAUSE15",
+};
+
+static const char * const txq_stat_names[] = {
+ "tx_pkts",
+ "tx_bytes",
+ "tx_cso",
+ "tx_tso",
+ "tx_encapsulated_tso",
+ "tx_more",
+ "tx_queue_stops",
+ "tx_queue_restarts",
+ "tx_mapping_errors",
+ "tx_length_errors",
+ "tx_tls_encrypted_packets",
+ "tx_tls_encrypted_bytes",
+ "tx_tls_ooo",
+ "tx_tls_drop_no_sync_data",
+};
+
+static const char * const xdpq_stat_names[] = {
+ "tx_xdp_pkts",
+ "tx_xdp_bytes",
+ "tx_xdp_full",
+ "tx_xdp_mapping_errors",
+ "tx_xdp_length_errors",
+};
+
+static const char * const rxq_stat_names[] = {
+ "rx_pkts",
+ "rx_bytes",
+ "rx_cso",
+ "gro_pkts",
+ "gro_merged",
+ "rx_xdp_tx",
+ "rx_xdp_redir",
+ "rx_xdp_drops",
+ "rx_buffers",
+ "rx_page_allocs",
+ "rx_drops",
+ "rx_budget_exhausted",
+ "rx_mapping_errors",
+};
+
+static const char * const tls_stat_names[] = {
+ "tx_tls_ctx",
+ "tx_tls_del",
+ "tx_tls_resync",
+};
+
+static void fun_link_modes_to_ethtool(u64 modes,
+ unsigned long *ethtool_modes_map)
+{
+#define ADD_LINK_MODE(mode) \
+ __set_bit(ETHTOOL_LINK_MODE_ ## mode ## _BIT, ethtool_modes_map)
+
+ if (modes & FUN_PORT_CAP_AUTONEG)
+ ADD_LINK_MODE(Autoneg);
+ if (modes & FUN_PORT_CAP_1000_X)
+ ADD_LINK_MODE(1000baseX_Full);
+ if (modes & FUN_PORT_CAP_10G_R) {
+ ADD_LINK_MODE(10000baseCR_Full);
+ ADD_LINK_MODE(10000baseSR_Full);
+ ADD_LINK_MODE(10000baseLR_Full);
+ ADD_LINK_MODE(10000baseER_Full);
+ }
+ if (modes & FUN_PORT_CAP_25G_R) {
+ ADD_LINK_MODE(25000baseCR_Full);
+ ADD_LINK_MODE(25000baseSR_Full);
+ }
+ if (modes & FUN_PORT_CAP_40G_R4) {
+ ADD_LINK_MODE(40000baseCR4_Full);
+ ADD_LINK_MODE(40000baseSR4_Full);
+ ADD_LINK_MODE(40000baseLR4_Full);
+ }
+ if (modes & FUN_PORT_CAP_50G_R2) {
+ ADD_LINK_MODE(50000baseCR2_Full);
+ ADD_LINK_MODE(50000baseSR2_Full);
+ }
+ if (modes & FUN_PORT_CAP_50G_R) {
+ ADD_LINK_MODE(50000baseCR_Full);
+ ADD_LINK_MODE(50000baseSR_Full);
+ ADD_LINK_MODE(50000baseLR_ER_FR_Full);
+ }
+ if (modes & FUN_PORT_CAP_100G_R4) {
+ ADD_LINK_MODE(100000baseCR4_Full);
+ ADD_LINK_MODE(100000baseSR4_Full);
+ ADD_LINK_MODE(100000baseLR4_ER4_Full);
+ }
+ if (modes & FUN_PORT_CAP_100G_R2) {
+ ADD_LINK_MODE(100000baseCR2_Full);
+ ADD_LINK_MODE(100000baseSR2_Full);
+ ADD_LINK_MODE(100000baseLR2_ER2_FR2_Full);
+ }
+ if (modes & FUN_PORT_CAP_FEC_NONE)
+ ADD_LINK_MODE(FEC_NONE);
+ if (modes & FUN_PORT_CAP_FEC_FC)
+ ADD_LINK_MODE(FEC_BASER);
+ if (modes & FUN_PORT_CAP_FEC_RS)
+ ADD_LINK_MODE(FEC_RS);
+ if (modes & FUN_PORT_CAP_RX_PAUSE)
+ ADD_LINK_MODE(Pause);
+
+#undef ADD_LINK_MODE
+}
+
+static void set_asym_pause(u64 advertising, struct ethtool_link_ksettings *ks)
+{
+ bool rx_pause, tx_pause;
+
+ rx_pause = advertising & FUN_PORT_CAP_RX_PAUSE;
+ tx_pause = advertising & FUN_PORT_CAP_TX_PAUSE;
+ if (tx_pause ^ rx_pause)
+ ethtool_link_ksettings_add_link_mode(ks, advertising,
+ Asym_Pause);
+}
+
+static unsigned int fun_port_type(unsigned int xcvr)
+{
+ if (!xcvr)
+ return PORT_NONE;
+
+ switch (xcvr & 7) {
+ case FUN_XCVR_BASET:
+ return PORT_TP;
+ case FUN_XCVR_CU:
+ return PORT_DA;
+ default:
+ return PORT_FIBRE;
+ }
+}
+
+static int fun_get_link_ksettings(struct net_device *netdev,
+ struct ethtool_link_ksettings *ks)
+{
+ const struct funeth_priv *fp = netdev_priv(netdev);
+ unsigned int seq, speed, xcvr;
+ u64 lp_advertising;
+ bool link_up;
+
+ ethtool_link_ksettings_zero_link_mode(ks, supported);
+ ethtool_link_ksettings_zero_link_mode(ks, advertising);
+ ethtool_link_ksettings_zero_link_mode(ks, lp_advertising);
+
+ /* Link settings change asynchronously, take a consistent snapshot */
+ do {
+ seq = read_seqcount_begin(&fp->link_seq);
+ link_up = netif_carrier_ok(netdev);
+ speed = fp->link_speed;
+ xcvr = fp->xcvr_type;
+ lp_advertising = fp->lp_advertising;
+ } while (read_seqcount_retry(&fp->link_seq, seq));
+
+ if (link_up) {
+ ks->base.speed = speed;
+ ks->base.duplex = DUPLEX_FULL;
+ fun_link_modes_to_ethtool(lp_advertising,
+ ks->link_modes.lp_advertising);
+ } else {
+ ks->base.speed = SPEED_UNKNOWN;
+ ks->base.duplex = DUPLEX_UNKNOWN;
+ }
+
+ ks->base.autoneg = (fp->advertising & FUN_PORT_CAP_AUTONEG) ?
+ AUTONEG_ENABLE : AUTONEG_DISABLE;
+ ks->base.port = fun_port_type(xcvr);
+
+ fun_link_modes_to_ethtool(fp->port_caps, ks->link_modes.supported);
+ if (fp->port_caps & (FUN_PORT_CAP_RX_PAUSE | FUN_PORT_CAP_TX_PAUSE))
+ ethtool_link_ksettings_add_link_mode(ks, supported, Asym_Pause);
+
+ fun_link_modes_to_ethtool(fp->advertising, ks->link_modes.advertising);
+ set_asym_pause(fp->advertising, ks);
+ return 0;
+}
+
+static u64 fun_advert_modes(const struct ethtool_link_ksettings *ks)
+{
+ u64 modes = 0;
+
+#define HAS_MODE(mode) \
+ ethtool_link_ksettings_test_link_mode(ks, advertising, mode)
+
+ if (HAS_MODE(1000baseX_Full))
+ modes |= FUN_PORT_CAP_1000_X;
+ if (HAS_MODE(10000baseCR_Full) || HAS_MODE(10000baseSR_Full) ||
+ HAS_MODE(10000baseLR_Full) || HAS_MODE(10000baseER_Full))
+ modes |= FUN_PORT_CAP_10G_R;
+ if (HAS_MODE(25000baseCR_Full) || HAS_MODE(25000baseSR_Full))
+ modes |= FUN_PORT_CAP_25G_R;
+ if (HAS_MODE(40000baseCR4_Full) || HAS_MODE(40000baseSR4_Full) ||
+ HAS_MODE(40000baseLR4_Full))
+ modes |= FUN_PORT_CAP_40G_R4;
+ if (HAS_MODE(50000baseCR2_Full) || HAS_MODE(50000baseSR2_Full))
+ modes |= FUN_PORT_CAP_50G_R2;
+ if (HAS_MODE(50000baseCR_Full) || HAS_MODE(50000baseSR_Full) ||
+ HAS_MODE(50000baseLR_ER_FR_Full))
+ modes |= FUN_PORT_CAP_50G_R;
+ if (HAS_MODE(100000baseCR4_Full) || HAS_MODE(100000baseSR4_Full) ||
+ HAS_MODE(100000baseLR4_ER4_Full))
+ modes |= FUN_PORT_CAP_100G_R4;
+ if (HAS_MODE(100000baseCR2_Full) || HAS_MODE(100000baseSR2_Full) ||
+ HAS_MODE(100000baseLR2_ER2_FR2_Full))
+ modes |= FUN_PORT_CAP_100G_R2;
+
+ return modes;
+#undef HAS_MODE
+}
+
+static u64 fun_speed_to_link_mode(unsigned int speed)
+{
+ switch (speed) {
+ case SPEED_100000:
+ return FUN_PORT_CAP_100G_R4 | FUN_PORT_CAP_100G_R2;
+ case SPEED_50000:
+ return FUN_PORT_CAP_50G_R | FUN_PORT_CAP_50G_R2;
+ case SPEED_40000:
+ return FUN_PORT_CAP_40G_R4;
+ case SPEED_25000:
+ return FUN_PORT_CAP_25G_R;
+ case SPEED_10000:
+ return FUN_PORT_CAP_10G_R;
+ case SPEED_1000:
+ return FUN_PORT_CAP_1000_X;
+ default:
+ return 0;
+ }
+}
+
+static int fun_change_advert(struct funeth_priv *fp, u64 new_advert)
+{
+ int err;
+
+ if (new_advert == fp->advertising)
+ return 0;
+
+ err = fun_port_write_cmd(fp, FUN_ADMIN_PORT_KEY_ADVERT, new_advert);
+ if (!err)
+ fp->advertising = new_advert;
+ return err;
+}
+
+#define FUN_PORT_CAP_FEC_MASK \
+ (FUN_PORT_CAP_FEC_NONE | FUN_PORT_CAP_FEC_FC | FUN_PORT_CAP_FEC_RS)
+
+static int fun_set_link_ksettings(struct net_device *netdev,
+ const struct ethtool_link_ksettings *ks)
+{
+ __ETHTOOL_DECLARE_LINK_MODE_MASK(supported) = {};
+ struct funeth_priv *fp = netdev_priv(netdev);
+ u64 new_advert;
+
+ /* eswitch ports don't support mode changes */
+ if (fp->port_caps & FUN_PORT_CAP_VPORT)
+ return -EOPNOTSUPP;
+
+ if (ks->base.duplex == DUPLEX_HALF)
+ return -EINVAL;
+ if (ks->base.autoneg == AUTONEG_ENABLE &&
+ !(fp->port_caps & FUN_PORT_CAP_AUTONEG))
+ return -EINVAL;
+
+ if (ks->base.autoneg == AUTONEG_ENABLE) {
+ if (linkmode_empty(ks->link_modes.advertising))
+ return -EINVAL;
+
+ fun_link_modes_to_ethtool(fp->port_caps, supported);
+ if (!linkmode_subset(ks->link_modes.advertising, supported))
+ return -EINVAL;
+
+ new_advert = fun_advert_modes(ks) | FUN_PORT_CAP_AUTONEG;
+ } else {
+ new_advert = fun_speed_to_link_mode(ks->base.speed);
+ new_advert &= fp->port_caps;
+ if (!new_advert)
+ return -EINVAL;
+ }
+ new_advert |= fp->advertising &
+ (FUN_PORT_CAP_PAUSE_MASK | FUN_PORT_CAP_FEC_MASK);
+
+ return fun_change_advert(fp, new_advert);
+}
+
+static void fun_get_pauseparam(struct net_device *netdev,
+ struct ethtool_pauseparam *pause)
+{
+ const struct funeth_priv *fp = netdev_priv(netdev);
+ u8 active_pause = fp->active_fc;
+
+ pause->rx_pause = !!(active_pause & FUN_PORT_CAP_RX_PAUSE);
+ pause->tx_pause = !!(active_pause & FUN_PORT_CAP_TX_PAUSE);
+ pause->autoneg = !!(fp->advertising & FUN_PORT_CAP_AUTONEG);
+}
+
+static int fun_set_pauseparam(struct net_device *netdev,
+ struct ethtool_pauseparam *pause)
+{
+ struct funeth_priv *fp = netdev_priv(netdev);
+ u64 new_advert;
+
+ if (fp->port_caps & FUN_PORT_CAP_VPORT)
+ return -EOPNOTSUPP;
+ /* Forcing PAUSE settings with AN enabled is unsupported. */
+ if (!pause->autoneg && (fp->advertising & FUN_PORT_CAP_AUTONEG))
+ return -EOPNOTSUPP;
+ if (pause->autoneg && !(fp->advertising & FUN_PORT_CAP_AUTONEG))
+ return -EINVAL;
+ if (pause->tx_pause && !(fp->port_caps & FUN_PORT_CAP_TX_PAUSE))
+ return -EINVAL;
+ if (pause->rx_pause && !(fp->port_caps & FUN_PORT_CAP_RX_PAUSE))
+ return -EINVAL;
+
+ new_advert = fp->advertising & ~FUN_PORT_CAP_PAUSE_MASK;
+ if (pause->tx_pause)
+ new_advert |= FUN_PORT_CAP_TX_PAUSE;
+ if (pause->rx_pause)
+ new_advert |= FUN_PORT_CAP_RX_PAUSE;
+
+ return fun_change_advert(fp, new_advert);
+}
+
+static int fun_restart_an(struct net_device *netdev)
+{
+ struct funeth_priv *fp = netdev_priv(netdev);
+
+ if (!(fp->advertising & FUN_PORT_CAP_AUTONEG))
+ return -EOPNOTSUPP;
+
+ return fun_port_write_cmd(fp, FUN_ADMIN_PORT_KEY_ADVERT,
+ FUN_PORT_CAP_AUTONEG);
+}
+
+static int fun_set_phys_id(struct net_device *netdev,
+ enum ethtool_phys_id_state state)
+{
+ struct funeth_priv *fp = netdev_priv(netdev);
+ unsigned int beacon;
+
+ if (fp->port_caps & FUN_PORT_CAP_VPORT)
+ return -EOPNOTSUPP;
+ if (state != ETHTOOL_ID_ACTIVE && state != ETHTOOL_ID_INACTIVE)
+ return -EOPNOTSUPP;
+
+ beacon = state == ETHTOOL_ID_ACTIVE ? FUN_PORT_LED_BEACON_ON :
+ FUN_PORT_LED_BEACON_OFF;
+ return fun_port_write_cmd(fp, FUN_ADMIN_PORT_KEY_LED, beacon);
+}
+
+static void fun_get_drvinfo(struct net_device *netdev,
+ struct ethtool_drvinfo *info)
+{
+ const struct funeth_priv *fp = netdev_priv(netdev);
+
+ strscpy(info->driver, KBUILD_MODNAME, sizeof(info->driver));
+ strscpy(info->bus_info, pci_name(fp->pdev), sizeof(info->bus_info));
+}
+
+static u32 fun_get_msglevel(struct net_device *netdev)
+{
+ const struct funeth_priv *fp = netdev_priv(netdev);
+
+ return fp->msg_enable;
+}
+
+static void fun_set_msglevel(struct net_device *netdev, u32 value)
+{
+ struct funeth_priv *fp = netdev_priv(netdev);
+
+ fp->msg_enable = value;
+}
+
+static int fun_get_regs_len(struct net_device *dev)
+{
+ return NVME_REG_ACQ + sizeof(u64);
+}
+
+static void fun_get_regs(struct net_device *dev, struct ethtool_regs *regs,
+ void *buf)
+{
+ const struct funeth_priv *fp = netdev_priv(dev);
+ void __iomem *bar = fp->fdev->bar;
+
+ regs->version = 0;
+ *(u64 *)(buf + NVME_REG_CAP) = readq(bar + NVME_REG_CAP);
+ *(u32 *)(buf + NVME_REG_VS) = readl(bar + NVME_REG_VS);
+ *(u32 *)(buf + NVME_REG_INTMS) = readl(bar + NVME_REG_INTMS);
+ *(u32 *)(buf + NVME_REG_INTMC) = readl(bar + NVME_REG_INTMC);
+ *(u32 *)(buf + NVME_REG_CC) = readl(bar + NVME_REG_CC);
+ *(u32 *)(buf + NVME_REG_CSTS) = readl(bar + NVME_REG_CSTS);
+ *(u32 *)(buf + NVME_REG_AQA) = readl(bar + NVME_REG_AQA);
+ *(u64 *)(buf + NVME_REG_ASQ) = readq(bar + NVME_REG_ASQ);
+ *(u64 *)(buf + NVME_REG_ACQ) = readq(bar + NVME_REG_ACQ);
+}
+
+static int fun_get_coalesce(struct net_device *netdev,
+ struct ethtool_coalesce *coal,
+ struct kernel_ethtool_coalesce *kcoal,
+ struct netlink_ext_ack *ext_ack)
+{
+ const struct funeth_priv *fp = netdev_priv(netdev);
+
+ coal->rx_coalesce_usecs = fp->rx_coal_usec;
+ coal->rx_max_coalesced_frames = fp->rx_coal_count;
+ coal->use_adaptive_rx_coalesce = !fp->cq_irq_db;
+ coal->tx_coalesce_usecs = fp->tx_coal_usec;
+ coal->tx_max_coalesced_frames = fp->tx_coal_count;
+ return 0;
+}
+
+static int fun_set_coalesce(struct net_device *netdev,
+ struct ethtool_coalesce *coal,
+ struct kernel_ethtool_coalesce *kcoal,
+ struct netlink_ext_ack *ext_ack)
+{
+ struct funeth_priv *fp = netdev_priv(netdev);
+ struct funeth_rxq **rxqs;
+ unsigned int i, db_val;
+
+ if (coal->rx_coalesce_usecs > FUN_DB_INTCOAL_USEC_M ||
+ coal->rx_max_coalesced_frames > FUN_DB_INTCOAL_ENTRIES_M ||
+ (coal->rx_coalesce_usecs | coal->rx_max_coalesced_frames) == 0 ||
+ coal->tx_coalesce_usecs > FUN_DB_INTCOAL_USEC_M ||
+ coal->tx_max_coalesced_frames > FUN_DB_INTCOAL_ENTRIES_M ||
+ (coal->tx_coalesce_usecs | coal->tx_max_coalesced_frames) == 0)
+ return -EINVAL;
+
+ /* a timer is required if there's any coalescing */
+ if ((coal->rx_max_coalesced_frames > 1 && !coal->rx_coalesce_usecs) ||
+ (coal->tx_max_coalesced_frames > 1 && !coal->tx_coalesce_usecs))
+ return -EINVAL;
+
+ fp->rx_coal_usec = coal->rx_coalesce_usecs;
+ fp->rx_coal_count = coal->rx_max_coalesced_frames;
+ fp->tx_coal_usec = coal->tx_coalesce_usecs;
+ fp->tx_coal_count = coal->tx_max_coalesced_frames;
+
+ db_val = FUN_IRQ_CQ_DB(fp->rx_coal_usec, fp->rx_coal_count);
+ WRITE_ONCE(fp->cq_irq_db, db_val);
+
+ rxqs = rtnl_dereference(fp->rxqs);
+ if (!rxqs)
+ return 0;
+
+ for (i = 0; i < netdev->real_num_rx_queues; i++)
+ WRITE_ONCE(rxqs[i]->irq_db_val, db_val);
+
+ db_val = FUN_IRQ_SQ_DB(fp->tx_coal_usec, fp->tx_coal_count);
+ for (i = 0; i < netdev->real_num_tx_queues; i++)
+ WRITE_ONCE(fp->txqs[i]->irq_db_val, db_val);
+
+ return 0;
+}
+
+static void fun_get_channels(struct net_device *netdev,
+ struct ethtool_channels *chan)
+{
+ chan->max_rx = netdev->num_rx_queues;
+ chan->rx_count = netdev->real_num_rx_queues;
+
+ chan->max_tx = netdev->num_tx_queues;
+ chan->tx_count = netdev->real_num_tx_queues;
+}
+
+static int fun_set_channels(struct net_device *netdev,
+ struct ethtool_channels *chan)
+{
+ if (!chan->tx_count || !chan->rx_count)
+ return -EINVAL;
+
+ if (chan->tx_count == netdev->real_num_tx_queues &&
+ chan->rx_count == netdev->real_num_rx_queues)
+ return 0;
+
+ if (netif_running(netdev))
+ return fun_change_num_queues(netdev, chan->tx_count,
+ chan->rx_count);
+
+ fun_set_ring_count(netdev, chan->tx_count, chan->rx_count);
+ return 0;
+}
+
+static void fun_get_ringparam(struct net_device *netdev,
+ struct ethtool_ringparam *ring,
+ struct kernel_ethtool_ringparam *kring,
+ struct netlink_ext_ack *extack)
+{
+ const struct funeth_priv *fp = netdev_priv(netdev);
+ unsigned int max_depth = fp->fdev->q_depth;
+
+ /* We size CQs to be twice the RQ depth so max RQ depth is half the
+ * max queue depth.
+ */
+ ring->rx_max_pending = max_depth / 2;
+ ring->tx_max_pending = max_depth;
+
+ ring->rx_pending = fp->rq_depth;
+ ring->tx_pending = fp->sq_depth;
+
+ kring->rx_buf_len = PAGE_SIZE;
+}
+
+static int fun_set_ringparam(struct net_device *netdev,
+ struct ethtool_ringparam *ring,
+ struct kernel_ethtool_ringparam *kring,
+ struct netlink_ext_ack *extack)
+{
+ struct funeth_priv *fp = netdev_priv(netdev);
+ int rc;
+
+ if (ring->rx_mini_pending || ring->rx_jumbo_pending)
+ return -EINVAL;
+
+ /* queue depths must be powers-of-2 */
+ if (!is_power_of_2(ring->rx_pending) ||
+ !is_power_of_2(ring->tx_pending))
+ return -EINVAL;
+
+ if (ring->rx_pending < FUNETH_MIN_QDEPTH ||
+ ring->tx_pending < FUNETH_MIN_QDEPTH)
+ return -EINVAL;
+
+ if (fp->sq_depth == ring->tx_pending &&
+ fp->rq_depth == ring->rx_pending)
+ return 0;
+
+ if (netif_running(netdev)) {
+ struct fun_qset req = {
+ .cq_depth = 2 * ring->rx_pending,
+ .rq_depth = ring->rx_pending,
+ .sq_depth = ring->tx_pending
+ };
+
+ rc = fun_replace_queues(netdev, &req, extack);
+ if (rc)
+ return rc;
+ }
+
+ fp->sq_depth = ring->tx_pending;
+ fp->rq_depth = ring->rx_pending;
+ fp->cq_depth = 2 * fp->rq_depth;
+ return 0;
+}
+
+static int fun_get_sset_count(struct net_device *dev, int sset)
+{
+ const struct funeth_priv *fp = netdev_priv(dev);
+ int n;
+
+ switch (sset) {
+ case ETH_SS_STATS:
+ n = (dev->real_num_tx_queues + 1) * ARRAY_SIZE(txq_stat_names) +
+ (dev->real_num_rx_queues + 1) * ARRAY_SIZE(rxq_stat_names) +
+ (fp->num_xdpqs + 1) * ARRAY_SIZE(xdpq_stat_names) +
+ ARRAY_SIZE(tls_stat_names);
+ if (fp->port_caps & FUN_PORT_CAP_STATS) {
+ n += ARRAY_SIZE(mac_tx_stat_names) +
+ ARRAY_SIZE(mac_rx_stat_names);
+ }
+ return n;
+ default:
+ break;
+ }
+ return 0;
+}
+
+static void fun_get_strings(struct net_device *netdev, u32 sset, u8 *data)
+{
+ const struct funeth_priv *fp = netdev_priv(netdev);
+ unsigned int i, j;
+ u8 *p = data;
+
+ switch (sset) {
+ case ETH_SS_STATS:
+ if (fp->port_caps & FUN_PORT_CAP_STATS) {
+ memcpy(p, mac_tx_stat_names, sizeof(mac_tx_stat_names));
+ p += sizeof(mac_tx_stat_names);
+ memcpy(p, mac_rx_stat_names, sizeof(mac_rx_stat_names));
+ p += sizeof(mac_rx_stat_names);
+ }
+
+ for (i = 0; i < netdev->real_num_tx_queues; i++) {
+ for (j = 0; j < ARRAY_SIZE(txq_stat_names); j++)
+ ethtool_sprintf(&p, "%s[%u]", txq_stat_names[j],
+ i);
+ }
+ for (j = 0; j < ARRAY_SIZE(txq_stat_names); j++)
+ ethtool_sprintf(&p, txq_stat_names[j]);
+
+ for (i = 0; i < fp->num_xdpqs; i++) {
+ for (j = 0; j < ARRAY_SIZE(xdpq_stat_names); j++)
+ ethtool_sprintf(&p, "%s[%u]",
+ xdpq_stat_names[j], i);
+ }
+ for (j = 0; j < ARRAY_SIZE(xdpq_stat_names); j++)
+ ethtool_sprintf(&p, xdpq_stat_names[j]);
+
+ for (i = 0; i < netdev->real_num_rx_queues; i++) {
+ for (j = 0; j < ARRAY_SIZE(rxq_stat_names); j++)
+ ethtool_sprintf(&p, "%s[%u]", rxq_stat_names[j],
+ i);
+ }
+ for (j = 0; j < ARRAY_SIZE(rxq_stat_names); j++)
+ ethtool_sprintf(&p, rxq_stat_names[j]);
+
+ for (j = 0; j < ARRAY_SIZE(tls_stat_names); j++)
+ ethtool_sprintf(&p, tls_stat_names[j]);
+ break;
+ default:
+ break;
+ }
+}
+
+static u64 *get_mac_stats(const struct funeth_priv *fp, u64 *data)
+{
+#define TX_STAT(s) \
+ *data++ = be64_to_cpu(fp->stats[PORT_MAC_RX_STATS_MAX + PORT_MAC_TX_##s])
+
+ TX_STAT(etherStatsOctets);
+ TX_STAT(etherStatsPkts);
+ TX_STAT(VLANTransmittedOK);
+ TX_STAT(ifOutUcastPkts);
+ TX_STAT(ifOutMulticastPkts);
+ TX_STAT(ifOutBroadcastPkts);
+ TX_STAT(ifOutErrors);
+ TX_STAT(CBFCPAUSEFramesTransmitted_0);
+ TX_STAT(CBFCPAUSEFramesTransmitted_1);
+ TX_STAT(CBFCPAUSEFramesTransmitted_2);
+ TX_STAT(CBFCPAUSEFramesTransmitted_3);
+ TX_STAT(CBFCPAUSEFramesTransmitted_4);
+ TX_STAT(CBFCPAUSEFramesTransmitted_5);
+ TX_STAT(CBFCPAUSEFramesTransmitted_6);
+ TX_STAT(CBFCPAUSEFramesTransmitted_7);
+ TX_STAT(CBFCPAUSEFramesTransmitted_8);
+ TX_STAT(CBFCPAUSEFramesTransmitted_9);
+ TX_STAT(CBFCPAUSEFramesTransmitted_10);
+ TX_STAT(CBFCPAUSEFramesTransmitted_11);
+ TX_STAT(CBFCPAUSEFramesTransmitted_12);
+ TX_STAT(CBFCPAUSEFramesTransmitted_13);
+ TX_STAT(CBFCPAUSEFramesTransmitted_14);
+ TX_STAT(CBFCPAUSEFramesTransmitted_15);
+
+#define RX_STAT(s) *data++ = be64_to_cpu(fp->stats[PORT_MAC_RX_##s])
+
+ RX_STAT(etherStatsOctets);
+ RX_STAT(etherStatsPkts);
+ RX_STAT(VLANReceivedOK);
+ RX_STAT(ifInUcastPkts);
+ RX_STAT(ifInMulticastPkts);
+ RX_STAT(ifInBroadcastPkts);
+ RX_STAT(etherStatsDropEvents);
+ RX_STAT(ifInErrors);
+ RX_STAT(aAlignmentErrors);
+ RX_STAT(CBFCPAUSEFramesReceived_0);
+ RX_STAT(CBFCPAUSEFramesReceived_1);
+ RX_STAT(CBFCPAUSEFramesReceived_2);
+ RX_STAT(CBFCPAUSEFramesReceived_3);
+ RX_STAT(CBFCPAUSEFramesReceived_4);
+ RX_STAT(CBFCPAUSEFramesReceived_5);
+ RX_STAT(CBFCPAUSEFramesReceived_6);
+ RX_STAT(CBFCPAUSEFramesReceived_7);
+ RX_STAT(CBFCPAUSEFramesReceived_8);
+ RX_STAT(CBFCPAUSEFramesReceived_9);
+ RX_STAT(CBFCPAUSEFramesReceived_10);
+ RX_STAT(CBFCPAUSEFramesReceived_11);
+ RX_STAT(CBFCPAUSEFramesReceived_12);
+ RX_STAT(CBFCPAUSEFramesReceived_13);
+ RX_STAT(CBFCPAUSEFramesReceived_14);
+ RX_STAT(CBFCPAUSEFramesReceived_15);
+
+ return data;
+
+#undef TX_STAT
+#undef RX_STAT
+}
+
+static void fun_get_ethtool_stats(struct net_device *netdev,
+ struct ethtool_stats *stats, u64 *data)
+{
+ const struct funeth_priv *fp = netdev_priv(netdev);
+ struct funeth_txq_stats txs;
+ struct funeth_rxq_stats rxs;
+ struct funeth_txq **xdpqs;
+ struct funeth_rxq **rxqs;
+ unsigned int i, start;
+ u64 *totals, *tot;
+
+ if (!netif_running(netdev))
+ return;
+
+ if (fp->port_caps & FUN_PORT_CAP_STATS)
+ data = get_mac_stats(fp, data);
+
+ rxqs = rtnl_dereference(fp->rxqs);
+ if (!rxqs)
+ return;
+
+#define ADD_STAT(cnt) do { \
+ *data = (cnt); *tot++ += *data++; \
+} while (0)
+
+ /* Tx queues */
+ totals = data + netdev->real_num_tx_queues * ARRAY_SIZE(txq_stat_names);
+
+ for (i = 0; i < netdev->real_num_tx_queues; i++) {
+ tot = totals;
+
+ FUN_QSTAT_READ(fp->txqs[i], start, txs);
+
+ ADD_STAT(txs.tx_pkts);
+ ADD_STAT(txs.tx_bytes);
+ ADD_STAT(txs.tx_cso);
+ ADD_STAT(txs.tx_tso);
+ ADD_STAT(txs.tx_encap_tso);
+ ADD_STAT(txs.tx_more);
+ ADD_STAT(txs.tx_nstops);
+ ADD_STAT(txs.tx_nrestarts);
+ ADD_STAT(txs.tx_map_err);
+ ADD_STAT(txs.tx_len_err);
+ ADD_STAT(txs.tx_tls_pkts);
+ ADD_STAT(txs.tx_tls_bytes);
+ ADD_STAT(txs.tx_tls_fallback);
+ ADD_STAT(txs.tx_tls_drops);
+ }
+ data += ARRAY_SIZE(txq_stat_names);
+
+ /* XDP Tx queues */
+ xdpqs = rtnl_dereference(fp->xdpqs);
+ totals = data + fp->num_xdpqs * ARRAY_SIZE(xdpq_stat_names);
+
+ for (i = 0; i < fp->num_xdpqs; i++) {
+ tot = totals;
+
+ FUN_QSTAT_READ(xdpqs[i], start, txs);
+
+ ADD_STAT(txs.tx_pkts);
+ ADD_STAT(txs.tx_bytes);
+ ADD_STAT(txs.tx_xdp_full);
+ ADD_STAT(txs.tx_map_err);
+ ADD_STAT(txs.tx_len_err);
+ }
+ data += ARRAY_SIZE(xdpq_stat_names);
+
+ /* Rx queues */
+ totals = data + netdev->real_num_rx_queues * ARRAY_SIZE(rxq_stat_names);
+
+ for (i = 0; i < netdev->real_num_rx_queues; i++) {
+ tot = totals;
+
+ FUN_QSTAT_READ(rxqs[i], start, rxs);
+
+ ADD_STAT(rxs.rx_pkts);
+ ADD_STAT(rxs.rx_bytes);
+ ADD_STAT(rxs.rx_cso);
+ ADD_STAT(rxs.gro_pkts);
+ ADD_STAT(rxs.gro_merged);
+ ADD_STAT(rxs.xdp_tx);
+ ADD_STAT(rxs.xdp_redir);
+ ADD_STAT(rxs.xdp_drops);
+ ADD_STAT(rxs.rx_bufs);
+ ADD_STAT(rxs.rx_page_alloc);
+ ADD_STAT(rxs.rx_mem_drops + rxs.xdp_err);
+ ADD_STAT(rxs.rx_budget);
+ ADD_STAT(rxs.rx_map_err);
+ }
+ data += ARRAY_SIZE(rxq_stat_names);
+#undef ADD_STAT
+
+ *data++ = atomic64_read(&fp->tx_tls_add);
+ *data++ = atomic64_read(&fp->tx_tls_del);
+ *data++ = atomic64_read(&fp->tx_tls_resync);
+}
+
+#define RX_STAT(fp, s) be64_to_cpu((fp)->stats[PORT_MAC_RX_##s])
+#define TX_STAT(fp, s) \
+ be64_to_cpu((fp)->stats[PORT_MAC_RX_STATS_MAX + PORT_MAC_TX_##s])
+#define FEC_STAT(fp, s) \
+ be64_to_cpu((fp)->stats[PORT_MAC_RX_STATS_MAX + \
+ PORT_MAC_TX_STATS_MAX + PORT_MAC_FEC_##s])
+
+static void fun_get_pause_stats(struct net_device *netdev,
+ struct ethtool_pause_stats *stats)
+{
+ const struct funeth_priv *fp = netdev_priv(netdev);
+
+ if (!(fp->port_caps & FUN_PORT_CAP_STATS))
+ return;
+
+ stats->tx_pause_frames = TX_STAT(fp, aPAUSEMACCtrlFramesTransmitted);
+ stats->rx_pause_frames = RX_STAT(fp, aPAUSEMACCtrlFramesReceived);
+}
+
+static void fun_get_802_3_stats(struct net_device *netdev,
+ struct ethtool_eth_mac_stats *stats)
+{
+ const struct funeth_priv *fp = netdev_priv(netdev);
+
+ if (!(fp->port_caps & FUN_PORT_CAP_STATS))
+ return;
+
+ stats->FramesTransmittedOK = TX_STAT(fp, aFramesTransmittedOK);
+ stats->FramesReceivedOK = RX_STAT(fp, aFramesReceivedOK);
+ stats->FrameCheckSequenceErrors = RX_STAT(fp, aFrameCheckSequenceErrors);
+ stats->OctetsTransmittedOK = TX_STAT(fp, OctetsTransmittedOK);
+ stats->OctetsReceivedOK = RX_STAT(fp, OctetsReceivedOK);
+ stats->InRangeLengthErrors = RX_STAT(fp, aInRangeLengthErrors);
+ stats->FrameTooLongErrors = RX_STAT(fp, aFrameTooLongErrors);
+}
+
+static void fun_get_802_3_ctrl_stats(struct net_device *netdev,
+ struct ethtool_eth_ctrl_stats *stats)
+{
+ const struct funeth_priv *fp = netdev_priv(netdev);
+
+ if (!(fp->port_caps & FUN_PORT_CAP_STATS))
+ return;
+
+ stats->MACControlFramesTransmitted = TX_STAT(fp, MACControlFramesTransmitted);
+ stats->MACControlFramesReceived = RX_STAT(fp, MACControlFramesReceived);
+}
+
+static void fun_get_rmon_stats(struct net_device *netdev,
+ struct ethtool_rmon_stats *stats,
+ const struct ethtool_rmon_hist_range **ranges)
+{
+ static const struct ethtool_rmon_hist_range rmon_ranges[] = {
+ { 64, 64 },
+ { 65, 127 },
+ { 128, 255 },
+ { 256, 511 },
+ { 512, 1023 },
+ { 1024, 1518 },
+ { 1519, 32767 },
+ {}
+ };
+
+ const struct funeth_priv *fp = netdev_priv(netdev);
+
+ if (!(fp->port_caps & FUN_PORT_CAP_STATS))
+ return;
+
+ stats->undersize_pkts = RX_STAT(fp, etherStatsUndersizePkts);
+ stats->oversize_pkts = RX_STAT(fp, etherStatsOversizePkts);
+ stats->fragments = RX_STAT(fp, etherStatsFragments);
+ stats->jabbers = RX_STAT(fp, etherStatsJabbers);
+
+ stats->hist[0] = RX_STAT(fp, etherStatsPkts64Octets);
+ stats->hist[1] = RX_STAT(fp, etherStatsPkts65to127Octets);
+ stats->hist[2] = RX_STAT(fp, etherStatsPkts128to255Octets);
+ stats->hist[3] = RX_STAT(fp, etherStatsPkts256to511Octets);
+ stats->hist[4] = RX_STAT(fp, etherStatsPkts512to1023Octets);
+ stats->hist[5] = RX_STAT(fp, etherStatsPkts1024to1518Octets);
+ stats->hist[6] = RX_STAT(fp, etherStatsPkts1519toMaxOctets);
+
+ stats->hist_tx[0] = TX_STAT(fp, etherStatsPkts64Octets);
+ stats->hist_tx[1] = TX_STAT(fp, etherStatsPkts65to127Octets);
+ stats->hist_tx[2] = TX_STAT(fp, etherStatsPkts128to255Octets);
+ stats->hist_tx[3] = TX_STAT(fp, etherStatsPkts256to511Octets);
+ stats->hist_tx[4] = TX_STAT(fp, etherStatsPkts512to1023Octets);
+ stats->hist_tx[5] = TX_STAT(fp, etherStatsPkts1024to1518Octets);
+ stats->hist_tx[6] = TX_STAT(fp, etherStatsPkts1519toMaxOctets);
+
+ *ranges = rmon_ranges;
+}
+
+static void fun_get_fec_stats(struct net_device *netdev,
+ struct ethtool_fec_stats *stats)
+{
+ const struct funeth_priv *fp = netdev_priv(netdev);
+
+ if (!(fp->port_caps & FUN_PORT_CAP_STATS))
+ return;
+
+ stats->corrected_blocks.total = FEC_STAT(fp, Correctable);
+ stats->uncorrectable_blocks.total = FEC_STAT(fp, Uncorrectable);
+}
+
+#undef RX_STAT
+#undef TX_STAT
+#undef FEC_STAT
+
+static int fun_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
+ u32 *rule_locs)
+{
+ switch (cmd->cmd) {
+ case ETHTOOL_GRXRINGS:
+ cmd->data = netdev->real_num_rx_queues;
+ return 0;
+ default:
+ break;
+ }
+ return -EOPNOTSUPP;
+}
+
+static int fun_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *info)
+{
+ return 0;
+}
+
+static u32 fun_get_rxfh_indir_size(struct net_device *netdev)
+{
+ const struct funeth_priv *fp = netdev_priv(netdev);
+
+ return fp->indir_table_nentries;
+}
+
+static u32 fun_get_rxfh_key_size(struct net_device *netdev)
+{
+ const struct funeth_priv *fp = netdev_priv(netdev);
+
+ return sizeof(fp->rss_key);
+}
+
+static int fun_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
+ u8 *hfunc)
+{
+ const struct funeth_priv *fp = netdev_priv(netdev);
+
+ if (!fp->rss_cfg)
+ return -EOPNOTSUPP;
+
+ if (indir)
+ memcpy(indir, fp->indir_table,
+ sizeof(u32) * fp->indir_table_nentries);
+
+ if (key)
+ memcpy(key, fp->rss_key, sizeof(fp->rss_key));
+
+ if (hfunc)
+ *hfunc = fp->hash_algo == FUN_ETH_RSS_ALG_TOEPLITZ ?
+ ETH_RSS_HASH_TOP : ETH_RSS_HASH_CRC32;
+
+ return 0;
+}
+
+static int fun_set_rxfh(struct net_device *netdev, const u32 *indir,
+ const u8 *key, const u8 hfunc)
+{
+ struct funeth_priv *fp = netdev_priv(netdev);
+ const u32 *rss_indir = indir ? indir : fp->indir_table;
+ const u8 *rss_key = key ? key : fp->rss_key;
+ enum fun_eth_hash_alg algo;
+
+ if (!fp->rss_cfg)
+ return -EOPNOTSUPP;
+
+ if (hfunc == ETH_RSS_HASH_NO_CHANGE)
+ algo = fp->hash_algo;
+ else if (hfunc == ETH_RSS_HASH_CRC32)
+ algo = FUN_ETH_RSS_ALG_CRC32;
+ else if (hfunc == ETH_RSS_HASH_TOP)
+ algo = FUN_ETH_RSS_ALG_TOEPLITZ;
+ else
+ return -EINVAL;
+
+ /* If the port is enabled try to reconfigure RSS and keep the new
+ * settings if successful. If it is down we update the RSS settings
+ * and apply them at the next UP time.
+ */
+ if (netif_running(netdev)) {
+ int rc = fun_config_rss(netdev, algo, rss_key, rss_indir,
+ FUN_ADMIN_SUBOP_MODIFY);
+ if (rc)
+ return rc;
+ }
+
+ fp->hash_algo = algo;
+ if (key)
+ memcpy(fp->rss_key, key, sizeof(fp->rss_key));
+ if (indir)
+ memcpy(fp->indir_table, indir,
+ sizeof(u32) * fp->indir_table_nentries);
+ return 0;
+}
+
+static int fun_get_ts_info(struct net_device *netdev,
+ struct ethtool_ts_info *info)
+{
+ info->so_timestamping = SOF_TIMESTAMPING_RX_SOFTWARE |
+ SOF_TIMESTAMPING_RX_HARDWARE |
+ SOF_TIMESTAMPING_TX_SOFTWARE |
+ SOF_TIMESTAMPING_SOFTWARE |
+ SOF_TIMESTAMPING_RAW_HARDWARE;
+ info->phc_index = -1;
+ info->tx_types = BIT(HWTSTAMP_TX_OFF);
+ info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | BIT(HWTSTAMP_FILTER_ALL);
+ return 0;
+}
+
+static unsigned int to_ethtool_fec(unsigned int fun_fec)
+{
+ unsigned int fec = 0;
+
+ if (fun_fec == FUN_PORT_FEC_NA)
+ fec |= ETHTOOL_FEC_NONE;
+ if (fun_fec & FUN_PORT_FEC_OFF)
+ fec |= ETHTOOL_FEC_OFF;
+ if (fun_fec & FUN_PORT_FEC_RS)
+ fec |= ETHTOOL_FEC_RS;
+ if (fun_fec & FUN_PORT_FEC_FC)
+ fec |= ETHTOOL_FEC_BASER;
+ if (fun_fec & FUN_PORT_FEC_AUTO)
+ fec |= ETHTOOL_FEC_AUTO;
+ return fec;
+}
+
+static int fun_get_fecparam(struct net_device *netdev,
+ struct ethtool_fecparam *fec)
+{
+ struct funeth_priv *fp = netdev_priv(netdev);
+ u64 fec_data;
+ int rc;
+
+ rc = fun_port_read_cmd(fp, FUN_ADMIN_PORT_KEY_FEC, &fec_data);
+ if (rc)
+ return rc;
+
+ fec->active_fec = to_ethtool_fec(fec_data & 0xff);
+ fec->fec = to_ethtool_fec(fec_data >> 8);
+ return 0;
+}
+
+static int fun_set_fecparam(struct net_device *netdev,
+ struct ethtool_fecparam *fec)
+{
+ struct funeth_priv *fp = netdev_priv(netdev);
+ u64 fec_mode;
+
+ switch (fec->fec) {
+ case ETHTOOL_FEC_AUTO:
+ fec_mode = FUN_PORT_FEC_AUTO;
+ break;
+ case ETHTOOL_FEC_OFF:
+ if (!(fp->port_caps & FUN_PORT_CAP_FEC_NONE))
+ return -EINVAL;
+ fec_mode = FUN_PORT_FEC_OFF;
+ break;
+ case ETHTOOL_FEC_BASER:
+ if (!(fp->port_caps & FUN_PORT_CAP_FEC_FC))
+ return -EINVAL;
+ fec_mode = FUN_PORT_FEC_FC;
+ break;
+ case ETHTOOL_FEC_RS:
+ if (!(fp->port_caps & FUN_PORT_CAP_FEC_RS))
+ return -EINVAL;
+ fec_mode = FUN_PORT_FEC_RS;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return fun_port_write_cmd(fp, FUN_ADMIN_PORT_KEY_FEC, fec_mode);
+}
+
+static const struct ethtool_ops fun_ethtool_ops = {
+ .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
+ ETHTOOL_COALESCE_MAX_FRAMES,
+ .get_link_ksettings = fun_get_link_ksettings,
+ .set_link_ksettings = fun_set_link_ksettings,
+ .set_phys_id = fun_set_phys_id,
+ .get_drvinfo = fun_get_drvinfo,
+ .get_msglevel = fun_get_msglevel,
+ .set_msglevel = fun_set_msglevel,
+ .get_regs_len = fun_get_regs_len,
+ .get_regs = fun_get_regs,
+ .get_link = ethtool_op_get_link,
+ .get_coalesce = fun_get_coalesce,
+ .set_coalesce = fun_set_coalesce,
+ .get_ts_info = fun_get_ts_info,
+ .get_ringparam = fun_get_ringparam,
+ .set_ringparam = fun_set_ringparam,
+ .get_sset_count = fun_get_sset_count,
+ .get_strings = fun_get_strings,
+ .get_ethtool_stats = fun_get_ethtool_stats,
+ .get_rxnfc = fun_get_rxnfc,
+ .set_rxnfc = fun_set_rxnfc,
+ .get_rxfh_indir_size = fun_get_rxfh_indir_size,
+ .get_rxfh_key_size = fun_get_rxfh_key_size,
+ .get_rxfh = fun_get_rxfh,
+ .set_rxfh = fun_set_rxfh,
+ .get_channels = fun_get_channels,
+ .set_channels = fun_set_channels,
+ .get_fecparam = fun_get_fecparam,
+ .set_fecparam = fun_set_fecparam,
+ .get_pauseparam = fun_get_pauseparam,
+ .set_pauseparam = fun_set_pauseparam,
+ .nway_reset = fun_restart_an,
+ .get_pause_stats = fun_get_pause_stats,
+ .get_fec_stats = fun_get_fec_stats,
+ .get_eth_mac_stats = fun_get_802_3_stats,
+ .get_eth_ctrl_stats = fun_get_802_3_ctrl_stats,
+ .get_rmon_stats = fun_get_rmon_stats,
+};
+
+void fun_set_ethtool_ops(struct net_device *netdev)
+{
+ netdev->ethtool_ops = &fun_ethtool_ops;
+}
Add ethtool operations, primarily related to queues and ports, as well as device statistics. Signed-off-by: Dimitris Michailidis <dmichail@fungible.com> --- .../net/ethernet/fungible/funeth/fun_port.h | 97 ++ .../ethernet/fungible/funeth/funeth_ethtool.c | 1168 +++++++++++++++++ 2 files changed, 1265 insertions(+) create mode 100644 drivers/net/ethernet/fungible/funeth/fun_port.h create mode 100644 drivers/net/ethernet/fungible/funeth/funeth_ethtool.c