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// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
/* Copyright (c) 2022, NVIDIA CORPORATION & AFFILIATES. All rights reserved. */
#include <linux/debugfs.h>
#include <linux/mlx5/fs.h>
#include "mlx5_vnet.h"
static int tirn_show(struct seq_file *file, void *priv)
{
struct mlx5_vdpa_net *ndev = file->private;
seq_printf(file, "0x%x\n", ndev->res.tirn);
return 0;
}
DEFINE_SHOW_ATTRIBUTE(tirn);
void mlx5_vdpa_remove_tirn(struct mlx5_vdpa_net *ndev)
{
if (ndev->debugfs)
debugfs_remove(ndev->res.tirn_dent);
}
void mlx5_vdpa_add_tirn(struct mlx5_vdpa_net *ndev)
{
ndev->res.tirn_dent = debugfs_create_file("tirn", 0444, ndev->rx_dent,
ndev, &tirn_fops);
}
static int rx_flow_table_show(struct seq_file *file, void *priv)
{
struct mlx5_vdpa_net *ndev = file->private;
seq_printf(file, "0x%x\n", mlx5_flow_table_id(ndev->rxft));
return 0;
}
DEFINE_SHOW_ATTRIBUTE(rx_flow_table);
void mlx5_vdpa_remove_rx_flow_table(struct mlx5_vdpa_net *ndev)
{
if (ndev->debugfs)
debugfs_remove(ndev->rx_table_dent);
}
void mlx5_vdpa_add_rx_flow_table(struct mlx5_vdpa_net *ndev)
{
ndev->rx_table_dent = debugfs_create_file("table_id", 0444, ndev->rx_dent,
ndev, &rx_flow_table_fops);
}
#if defined(CONFIG_MLX5_VDPA_STEERING_DEBUG)
static int packets_show(struct seq_file *file, void *priv)
{
struct mlx5_vdpa_counter *counter = file->private;
u64 packets;
u64 bytes;
int err;
err = mlx5_fc_query(counter->mdev, counter->counter, &packets, &bytes);
if (err)
return err;
seq_printf(file, "0x%llx\n", packets);
return 0;
}
static int bytes_show(struct seq_file *file, void *priv)
{
struct mlx5_vdpa_counter *counter = file->private;
u64 packets;
u64 bytes;
int err;
err = mlx5_fc_query(counter->mdev, counter->counter, &packets, &bytes);
if (err)
return err;
seq_printf(file, "0x%llx\n", bytes);
return 0;
}
DEFINE_SHOW_ATTRIBUTE(packets);
DEFINE_SHOW_ATTRIBUTE(bytes);
static void add_counter_node(struct mlx5_vdpa_counter *counter,
struct dentry *parent)
{
debugfs_create_file("packets", 0444, parent, counter,
&packets_fops);
debugfs_create_file("bytes", 0444, parent, counter,
&bytes_fops);
}
void mlx5_vdpa_add_rx_counters(struct mlx5_vdpa_net *ndev,
struct macvlan_node *node)
{
static const char *ut = "untagged";
char vidstr[9];
u16 vid;
node->ucast_counter.mdev = ndev->mvdev.mdev;
node->mcast_counter.mdev = ndev->mvdev.mdev;
if (node->tagged) {
vid = key2vid(node->macvlan);
snprintf(vidstr, sizeof(vidstr), "0x%x", vid);
} else {
strcpy(vidstr, ut);
}
node->dent = debugfs_create_dir(vidstr, ndev->rx_dent);
if (IS_ERR(node->dent)) {
node->dent = NULL;
return;
}
node->ucast_counter.dent = debugfs_create_dir("ucast", node->dent);
if (IS_ERR(node->ucast_counter.dent))
return;
add_counter_node(&node->ucast_counter, node->ucast_counter.dent);
node->mcast_counter.dent = debugfs_create_dir("mcast", node->dent);
if (IS_ERR(node->mcast_counter.dent))
return;
add_counter_node(&node->mcast_counter, node->mcast_counter.dent);
}
void mlx5_vdpa_remove_rx_counters(struct mlx5_vdpa_net *ndev,
struct macvlan_node *node)
{
if (node->dent && ndev->debugfs)
debugfs_remove_recursive(node->dent);
}
#endif
void mlx5_vdpa_add_debugfs(struct mlx5_vdpa_net *ndev)
{
struct mlx5_core_dev *mdev;
mdev = ndev->mvdev.mdev;
ndev->debugfs = debugfs_create_dir(dev_name(&ndev->mvdev.vdev.dev),
mlx5_debugfs_get_dev_root(mdev));
if (!IS_ERR(ndev->debugfs))
ndev->rx_dent = debugfs_create_dir("rx", ndev->debugfs);
}
void mlx5_vdpa_remove_debugfs(struct mlx5_vdpa_net *ndev)
{
debugfs_remove_recursive(ndev->debugfs);
ndev->debugfs = NULL;
}
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