Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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;
+}