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path: root/drivers/net/ethernet/apm/xgene-v2/ethtool.c
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Diffstat (limited to 'drivers/net/ethernet/apm/xgene-v2/ethtool.c')
-rw-r--r--drivers/net/ethernet/apm/xgene-v2/ethtool.c175
1 files changed, 175 insertions, 0 deletions
diff --git a/drivers/net/ethernet/apm/xgene-v2/ethtool.c b/drivers/net/ethernet/apm/xgene-v2/ethtool.c
new file mode 100644
index 000000000..b78d1a99f
--- /dev/null
+++ b/drivers/net/ethernet/apm/xgene-v2/ethtool.c
@@ -0,0 +1,175 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Applied Micro X-Gene SoC Ethernet v2 Driver
+ *
+ * Copyright (c) 2017, Applied Micro Circuits Corporation
+ * Author(s): Iyappan Subramanian <isubramanian@apm.com>
+ * Keyur Chudgar <kchudgar@apm.com>
+ */
+
+#include "main.h"
+
+#define XGE_STAT(m) { #m, offsetof(struct xge_pdata, stats.m) }
+#define XGE_EXTD_STAT(m, n) \
+ { \
+ #m, \
+ n, \
+ 0 \
+ }
+
+static const struct xge_gstrings_stats gstrings_stats[] = {
+ XGE_STAT(rx_packets),
+ XGE_STAT(tx_packets),
+ XGE_STAT(rx_bytes),
+ XGE_STAT(tx_bytes),
+ XGE_STAT(rx_errors)
+};
+
+static struct xge_gstrings_extd_stats gstrings_extd_stats[] = {
+ XGE_EXTD_STAT(tx_rx_64b_frame_cntr, TR64),
+ XGE_EXTD_STAT(tx_rx_127b_frame_cntr, TR127),
+ XGE_EXTD_STAT(tx_rx_255b_frame_cntr, TR255),
+ XGE_EXTD_STAT(tx_rx_511b_frame_cntr, TR511),
+ XGE_EXTD_STAT(tx_rx_1023b_frame_cntr, TR1K),
+ XGE_EXTD_STAT(tx_rx_1518b_frame_cntr, TRMAX),
+ XGE_EXTD_STAT(tx_rx_1522b_frame_cntr, TRMGV),
+ XGE_EXTD_STAT(rx_fcs_error_cntr, RFCS),
+ XGE_EXTD_STAT(rx_multicast_pkt_cntr, RMCA),
+ XGE_EXTD_STAT(rx_broadcast_pkt_cntr, RBCA),
+ XGE_EXTD_STAT(rx_ctrl_frame_pkt_cntr, RXCF),
+ XGE_EXTD_STAT(rx_pause_frame_pkt_cntr, RXPF),
+ XGE_EXTD_STAT(rx_unk_opcode_cntr, RXUO),
+ XGE_EXTD_STAT(rx_align_err_cntr, RALN),
+ XGE_EXTD_STAT(rx_frame_len_err_cntr, RFLR),
+ XGE_EXTD_STAT(rx_code_err_cntr, RCDE),
+ XGE_EXTD_STAT(rx_carrier_sense_err_cntr, RCSE),
+ XGE_EXTD_STAT(rx_undersize_pkt_cntr, RUND),
+ XGE_EXTD_STAT(rx_oversize_pkt_cntr, ROVR),
+ XGE_EXTD_STAT(rx_fragments_cntr, RFRG),
+ XGE_EXTD_STAT(rx_jabber_cntr, RJBR),
+ XGE_EXTD_STAT(rx_dropped_pkt_cntr, RDRP),
+ XGE_EXTD_STAT(tx_multicast_pkt_cntr, TMCA),
+ XGE_EXTD_STAT(tx_broadcast_pkt_cntr, TBCA),
+ XGE_EXTD_STAT(tx_pause_ctrl_frame_cntr, TXPF),
+ XGE_EXTD_STAT(tx_defer_pkt_cntr, TDFR),
+ XGE_EXTD_STAT(tx_excv_defer_pkt_cntr, TEDF),
+ XGE_EXTD_STAT(tx_single_col_pkt_cntr, TSCL),
+ XGE_EXTD_STAT(tx_multi_col_pkt_cntr, TMCL),
+ XGE_EXTD_STAT(tx_late_col_pkt_cntr, TLCL),
+ XGE_EXTD_STAT(tx_excv_col_pkt_cntr, TXCL),
+ XGE_EXTD_STAT(tx_total_col_cntr, TNCL),
+ XGE_EXTD_STAT(tx_pause_frames_hnrd_cntr, TPFH),
+ XGE_EXTD_STAT(tx_drop_frame_cntr, TDRP),
+ XGE_EXTD_STAT(tx_jabber_frame_cntr, TJBR),
+ XGE_EXTD_STAT(tx_fcs_error_cntr, TFCS),
+ XGE_EXTD_STAT(tx_ctrl_frame_cntr, TXCF),
+ XGE_EXTD_STAT(tx_oversize_frame_cntr, TOVR),
+ XGE_EXTD_STAT(tx_undersize_frame_cntr, TUND),
+ XGE_EXTD_STAT(tx_fragments_cntr, TFRG)
+};
+
+#define XGE_STATS_LEN ARRAY_SIZE(gstrings_stats)
+#define XGE_EXTD_STATS_LEN ARRAY_SIZE(gstrings_extd_stats)
+
+static void xge_mac_get_extd_stats(struct xge_pdata *pdata)
+{
+ u32 data;
+ int i;
+
+ for (i = 0; i < XGE_EXTD_STATS_LEN; i++) {
+ data = xge_rd_csr(pdata, gstrings_extd_stats[i].addr);
+ gstrings_extd_stats[i].value += data;
+ }
+}
+
+static void xge_get_drvinfo(struct net_device *ndev,
+ struct ethtool_drvinfo *info)
+{
+ struct xge_pdata *pdata = netdev_priv(ndev);
+ struct platform_device *pdev = pdata->pdev;
+
+ strcpy(info->driver, "xgene-enet-v2");
+ sprintf(info->bus_info, "%s", pdev->name);
+}
+
+static void xge_get_strings(struct net_device *ndev, u32 stringset, u8 *data)
+{
+ u8 *p = data;
+ int i;
+
+ if (stringset != ETH_SS_STATS)
+ return;
+
+ for (i = 0; i < XGE_STATS_LEN; i++) {
+ memcpy(p, gstrings_stats[i].name, ETH_GSTRING_LEN);
+ p += ETH_GSTRING_LEN;
+ }
+
+ for (i = 0; i < XGE_EXTD_STATS_LEN; i++) {
+ memcpy(p, gstrings_extd_stats[i].name, ETH_GSTRING_LEN);
+ p += ETH_GSTRING_LEN;
+ }
+}
+
+static int xge_get_sset_count(struct net_device *ndev, int sset)
+{
+ if (sset != ETH_SS_STATS)
+ return -EINVAL;
+
+ return XGE_STATS_LEN + XGE_EXTD_STATS_LEN;
+}
+
+static void xge_get_ethtool_stats(struct net_device *ndev,
+ struct ethtool_stats *dummy,
+ u64 *data)
+{
+ void *pdata = netdev_priv(ndev);
+ int i;
+
+ for (i = 0; i < XGE_STATS_LEN; i++)
+ *data++ = *(u64 *)(pdata + gstrings_stats[i].offset);
+
+ xge_mac_get_extd_stats(pdata);
+
+ for (i = 0; i < XGE_EXTD_STATS_LEN; i++)
+ *data++ = gstrings_extd_stats[i].value;
+}
+
+static int xge_get_link_ksettings(struct net_device *ndev,
+ struct ethtool_link_ksettings *cmd)
+{
+ struct phy_device *phydev = ndev->phydev;
+
+ if (!phydev)
+ return -ENODEV;
+
+ phy_ethtool_ksettings_get(phydev, cmd);
+
+ return 0;
+}
+
+static int xge_set_link_ksettings(struct net_device *ndev,
+ const struct ethtool_link_ksettings *cmd)
+{
+ struct phy_device *phydev = ndev->phydev;
+
+ if (!phydev)
+ return -ENODEV;
+
+ return phy_ethtool_ksettings_set(phydev, cmd);
+}
+
+static const struct ethtool_ops xge_ethtool_ops = {
+ .get_drvinfo = xge_get_drvinfo,
+ .get_link = ethtool_op_get_link,
+ .get_strings = xge_get_strings,
+ .get_sset_count = xge_get_sset_count,
+ .get_ethtool_stats = xge_get_ethtool_stats,
+ .get_link_ksettings = xge_get_link_ksettings,
+ .set_link_ksettings = xge_set_link_ksettings,
+};
+
+void xge_set_ethtool_ops(struct net_device *ndev)
+{
+ ndev->ethtool_ops = &xge_ethtool_ops;
+}