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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/fjes/fjes_ethtool.c
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.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/fjes/fjes_ethtool.c')
-rw-r--r--drivers/net/fjes/fjes_ethtool.c298
1 files changed, 298 insertions, 0 deletions
diff --git a/drivers/net/fjes/fjes_ethtool.c b/drivers/net/fjes/fjes_ethtool.c
new file mode 100644
index 000000000..19c995295
--- /dev/null
+++ b/drivers/net/fjes/fjes_ethtool.c
@@ -0,0 +1,298 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * FUJITSU Extended Socket Network Device driver
+ * Copyright (c) 2015 FUJITSU LIMITED
+ */
+
+/* ethtool support for fjes */
+
+#include <linux/vmalloc.h>
+#include <linux/netdevice.h>
+#include <linux/ethtool.h>
+#include <linux/platform_device.h>
+
+#include "fjes.h"
+
+struct fjes_stats {
+ char stat_string[ETH_GSTRING_LEN];
+ int sizeof_stat;
+ int stat_offset;
+};
+
+#define FJES_STAT(name, stat) { \
+ .stat_string = name, \
+ .sizeof_stat = sizeof_field(struct fjes_adapter, stat), \
+ .stat_offset = offsetof(struct fjes_adapter, stat) \
+}
+
+static const struct fjes_stats fjes_gstrings_stats[] = {
+ FJES_STAT("rx_packets", stats64.rx_packets),
+ FJES_STAT("tx_packets", stats64.tx_packets),
+ FJES_STAT("rx_bytes", stats64.rx_bytes),
+ FJES_STAT("tx_bytes", stats64.rx_bytes),
+ FJES_STAT("rx_dropped", stats64.rx_dropped),
+ FJES_STAT("tx_dropped", stats64.tx_dropped),
+};
+
+#define FJES_EP_STATS_LEN 14
+#define FJES_STATS_LEN \
+ (ARRAY_SIZE(fjes_gstrings_stats) + \
+ ((&((struct fjes_adapter *)netdev_priv(netdev))->hw)->max_epid - 1) * \
+ FJES_EP_STATS_LEN)
+
+static void fjes_get_ethtool_stats(struct net_device *netdev,
+ struct ethtool_stats *stats, u64 *data)
+{
+ struct fjes_adapter *adapter = netdev_priv(netdev);
+ struct fjes_hw *hw = &adapter->hw;
+ int epidx;
+ char *p;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(fjes_gstrings_stats); i++) {
+ p = (char *)adapter + fjes_gstrings_stats[i].stat_offset;
+ data[i] = (fjes_gstrings_stats[i].sizeof_stat == sizeof(u64))
+ ? *(u64 *)p : *(u32 *)p;
+ }
+ for (epidx = 0; epidx < hw->max_epid; epidx++) {
+ if (epidx == hw->my_epid)
+ continue;
+ data[i++] = hw->ep_shm_info[epidx].ep_stats
+ .com_regist_buf_exec;
+ data[i++] = hw->ep_shm_info[epidx].ep_stats
+ .com_unregist_buf_exec;
+ data[i++] = hw->ep_shm_info[epidx].ep_stats.send_intr_rx;
+ data[i++] = hw->ep_shm_info[epidx].ep_stats.send_intr_unshare;
+ data[i++] = hw->ep_shm_info[epidx].ep_stats
+ .send_intr_zoneupdate;
+ data[i++] = hw->ep_shm_info[epidx].ep_stats.recv_intr_rx;
+ data[i++] = hw->ep_shm_info[epidx].ep_stats.recv_intr_unshare;
+ data[i++] = hw->ep_shm_info[epidx].ep_stats.recv_intr_stop;
+ data[i++] = hw->ep_shm_info[epidx].ep_stats
+ .recv_intr_zoneupdate;
+ data[i++] = hw->ep_shm_info[epidx].ep_stats.tx_buffer_full;
+ data[i++] = hw->ep_shm_info[epidx].ep_stats
+ .tx_dropped_not_shared;
+ data[i++] = hw->ep_shm_info[epidx].ep_stats
+ .tx_dropped_ver_mismatch;
+ data[i++] = hw->ep_shm_info[epidx].ep_stats
+ .tx_dropped_buf_size_mismatch;
+ data[i++] = hw->ep_shm_info[epidx].ep_stats
+ .tx_dropped_vlanid_mismatch;
+ }
+}
+
+static void fjes_get_strings(struct net_device *netdev,
+ u32 stringset, u8 *data)
+{
+ struct fjes_adapter *adapter = netdev_priv(netdev);
+ struct fjes_hw *hw = &adapter->hw;
+ u8 *p = data;
+ int i;
+
+ switch (stringset) {
+ case ETH_SS_STATS:
+ for (i = 0; i < ARRAY_SIZE(fjes_gstrings_stats); i++) {
+ memcpy(p, fjes_gstrings_stats[i].stat_string,
+ ETH_GSTRING_LEN);
+ p += ETH_GSTRING_LEN;
+ }
+ for (i = 0; i < hw->max_epid; i++) {
+ if (i == hw->my_epid)
+ continue;
+ sprintf(p, "ep%u_com_regist_buf_exec", i);
+ p += ETH_GSTRING_LEN;
+ sprintf(p, "ep%u_com_unregist_buf_exec", i);
+ p += ETH_GSTRING_LEN;
+ sprintf(p, "ep%u_send_intr_rx", i);
+ p += ETH_GSTRING_LEN;
+ sprintf(p, "ep%u_send_intr_unshare", i);
+ p += ETH_GSTRING_LEN;
+ sprintf(p, "ep%u_send_intr_zoneupdate", i);
+ p += ETH_GSTRING_LEN;
+ sprintf(p, "ep%u_recv_intr_rx", i);
+ p += ETH_GSTRING_LEN;
+ sprintf(p, "ep%u_recv_intr_unshare", i);
+ p += ETH_GSTRING_LEN;
+ sprintf(p, "ep%u_recv_intr_stop", i);
+ p += ETH_GSTRING_LEN;
+ sprintf(p, "ep%u_recv_intr_zoneupdate", i);
+ p += ETH_GSTRING_LEN;
+ sprintf(p, "ep%u_tx_buffer_full", i);
+ p += ETH_GSTRING_LEN;
+ sprintf(p, "ep%u_tx_dropped_not_shared", i);
+ p += ETH_GSTRING_LEN;
+ sprintf(p, "ep%u_tx_dropped_ver_mismatch", i);
+ p += ETH_GSTRING_LEN;
+ sprintf(p, "ep%u_tx_dropped_buf_size_mismatch", i);
+ p += ETH_GSTRING_LEN;
+ sprintf(p, "ep%u_tx_dropped_vlanid_mismatch", i);
+ p += ETH_GSTRING_LEN;
+ }
+ break;
+ }
+}
+
+static int fjes_get_sset_count(struct net_device *netdev, int sset)
+{
+ switch (sset) {
+ case ETH_SS_STATS:
+ return FJES_STATS_LEN;
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+static void fjes_get_drvinfo(struct net_device *netdev,
+ struct ethtool_drvinfo *drvinfo)
+{
+ struct fjes_adapter *adapter = netdev_priv(netdev);
+ struct platform_device *plat_dev;
+
+ plat_dev = adapter->plat_dev;
+
+ strscpy(drvinfo->driver, fjes_driver_name, sizeof(drvinfo->driver));
+ strscpy(drvinfo->version, fjes_driver_version,
+ sizeof(drvinfo->version));
+
+ strscpy(drvinfo->fw_version, "none", sizeof(drvinfo->fw_version));
+ snprintf(drvinfo->bus_info, sizeof(drvinfo->bus_info),
+ "platform:%s", plat_dev->name);
+}
+
+static int fjes_get_link_ksettings(struct net_device *netdev,
+ struct ethtool_link_ksettings *ecmd)
+{
+ ethtool_link_ksettings_zero_link_mode(ecmd, supported);
+ ethtool_link_ksettings_zero_link_mode(ecmd, advertising);
+ ecmd->base.duplex = DUPLEX_FULL;
+ ecmd->base.autoneg = AUTONEG_DISABLE;
+ ecmd->base.port = PORT_NONE;
+ ecmd->base.speed = 20000; /* 20Gb/s */
+
+ return 0;
+}
+
+static int fjes_get_regs_len(struct net_device *netdev)
+{
+#define FJES_REGS_LEN 37
+ return FJES_REGS_LEN * sizeof(u32);
+}
+
+static void fjes_get_regs(struct net_device *netdev,
+ struct ethtool_regs *regs, void *p)
+{
+ struct fjes_adapter *adapter = netdev_priv(netdev);
+ struct fjes_hw *hw = &adapter->hw;
+ u32 *regs_buff = p;
+
+ memset(p, 0, FJES_REGS_LEN * sizeof(u32));
+
+ regs->version = 1;
+
+ /* Information registers */
+ regs_buff[0] = rd32(XSCT_OWNER_EPID);
+ regs_buff[1] = rd32(XSCT_MAX_EP);
+
+ /* Device Control registers */
+ regs_buff[4] = rd32(XSCT_DCTL);
+
+ /* Command Control registers */
+ regs_buff[8] = rd32(XSCT_CR);
+ regs_buff[9] = rd32(XSCT_CS);
+ regs_buff[10] = rd32(XSCT_SHSTSAL);
+ regs_buff[11] = rd32(XSCT_SHSTSAH);
+
+ regs_buff[13] = rd32(XSCT_REQBL);
+ regs_buff[14] = rd32(XSCT_REQBAL);
+ regs_buff[15] = rd32(XSCT_REQBAH);
+
+ regs_buff[17] = rd32(XSCT_RESPBL);
+ regs_buff[18] = rd32(XSCT_RESPBAL);
+ regs_buff[19] = rd32(XSCT_RESPBAH);
+
+ /* Interrupt Control registers */
+ regs_buff[32] = rd32(XSCT_IS);
+ regs_buff[33] = rd32(XSCT_IMS);
+ regs_buff[34] = rd32(XSCT_IMC);
+ regs_buff[35] = rd32(XSCT_IG);
+ regs_buff[36] = rd32(XSCT_ICTL);
+}
+
+static int fjes_set_dump(struct net_device *netdev, struct ethtool_dump *dump)
+{
+ struct fjes_adapter *adapter = netdev_priv(netdev);
+ struct fjes_hw *hw = &adapter->hw;
+ int ret = 0;
+
+ if (dump->flag) {
+ if (hw->debug_mode)
+ return -EPERM;
+
+ hw->debug_mode = dump->flag;
+
+ /* enable debug mode */
+ mutex_lock(&hw->hw_info.lock);
+ ret = fjes_hw_start_debug(hw);
+ mutex_unlock(&hw->hw_info.lock);
+
+ if (ret)
+ hw->debug_mode = 0;
+ } else {
+ if (!hw->debug_mode)
+ return -EPERM;
+
+ /* disable debug mode */
+ mutex_lock(&hw->hw_info.lock);
+ ret = fjes_hw_stop_debug(hw);
+ mutex_unlock(&hw->hw_info.lock);
+ }
+
+ return ret;
+}
+
+static int fjes_get_dump_flag(struct net_device *netdev,
+ struct ethtool_dump *dump)
+{
+ struct fjes_adapter *adapter = netdev_priv(netdev);
+ struct fjes_hw *hw = &adapter->hw;
+
+ dump->len = hw->hw_info.trace_size;
+ dump->version = 1;
+ dump->flag = hw->debug_mode;
+
+ return 0;
+}
+
+static int fjes_get_dump_data(struct net_device *netdev,
+ struct ethtool_dump *dump, void *buf)
+{
+ struct fjes_adapter *adapter = netdev_priv(netdev);
+ struct fjes_hw *hw = &adapter->hw;
+ int ret = 0;
+
+ if (hw->hw_info.trace)
+ memcpy(buf, hw->hw_info.trace, hw->hw_info.trace_size);
+ else
+ ret = -EPERM;
+
+ return ret;
+}
+
+static const struct ethtool_ops fjes_ethtool_ops = {
+ .get_drvinfo = fjes_get_drvinfo,
+ .get_ethtool_stats = fjes_get_ethtool_stats,
+ .get_strings = fjes_get_strings,
+ .get_sset_count = fjes_get_sset_count,
+ .get_regs = fjes_get_regs,
+ .get_regs_len = fjes_get_regs_len,
+ .set_dump = fjes_set_dump,
+ .get_dump_flag = fjes_get_dump_flag,
+ .get_dump_data = fjes_get_dump_data,
+ .get_link_ksettings = fjes_get_link_ksettings,
+};
+
+void fjes_set_ethtool_ops(struct net_device *netdev)
+{
+ netdev->ethtool_ops = &fjes_ethtool_ops;
+}