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1// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB2/* Copyright (c) 2022, NVIDIA CORPORATION & AFFILIATES. All rights reserved. */3 4#include <linux/debugfs.h>5#include <linux/mlx5/fs.h>6#include "mlx5_vnet.h"7 8static int tirn_show(struct seq_file *file, void *priv)9{10	struct mlx5_vdpa_net *ndev = file->private;11 12	seq_printf(file, "0x%x\n", ndev->res.tirn);13	return 0;14}15 16DEFINE_SHOW_ATTRIBUTE(tirn);17 18void mlx5_vdpa_remove_tirn(struct mlx5_vdpa_net *ndev)19{20	if (ndev->debugfs)21		debugfs_remove(ndev->res.tirn_dent);22}23 24void mlx5_vdpa_add_tirn(struct mlx5_vdpa_net *ndev)25{26	ndev->res.tirn_dent = debugfs_create_file("tirn", 0444, ndev->rx_dent,27						  ndev, &tirn_fops);28}29 30static int rx_flow_table_show(struct seq_file *file, void *priv)31{32	struct mlx5_vdpa_net *ndev = file->private;33 34	seq_printf(file, "0x%x\n", mlx5_flow_table_id(ndev->rxft));35	return 0;36}37 38DEFINE_SHOW_ATTRIBUTE(rx_flow_table);39 40void mlx5_vdpa_remove_rx_flow_table(struct mlx5_vdpa_net *ndev)41{42	if (ndev->debugfs)43		debugfs_remove(ndev->rx_table_dent);44}45 46void mlx5_vdpa_add_rx_flow_table(struct mlx5_vdpa_net *ndev)47{48	ndev->rx_table_dent = debugfs_create_file("table_id", 0444, ndev->rx_dent,49						  ndev, &rx_flow_table_fops);50}51 52#if defined(CONFIG_MLX5_VDPA_STEERING_DEBUG)53static int packets_show(struct seq_file *file, void *priv)54{55	struct mlx5_vdpa_counter *counter = file->private;56	u64 packets;57	u64 bytes;58	int err;59 60	err = mlx5_fc_query(counter->mdev, counter->counter, &packets, &bytes);61	if (err)62		return err;63 64	seq_printf(file, "0x%llx\n", packets);65	return 0;66}67 68static int bytes_show(struct seq_file *file, void *priv)69{70	struct mlx5_vdpa_counter *counter = file->private;71	u64 packets;72	u64 bytes;73	int err;74 75	err = mlx5_fc_query(counter->mdev, counter->counter, &packets, &bytes);76	if (err)77		return err;78 79	seq_printf(file, "0x%llx\n", bytes);80	return 0;81}82 83DEFINE_SHOW_ATTRIBUTE(packets);84DEFINE_SHOW_ATTRIBUTE(bytes);85 86static void add_counter_node(struct mlx5_vdpa_counter *counter,87			     struct dentry *parent)88{89	debugfs_create_file("packets", 0444, parent, counter,90			    &packets_fops);91	debugfs_create_file("bytes", 0444, parent, counter,92			    &bytes_fops);93}94 95void mlx5_vdpa_add_rx_counters(struct mlx5_vdpa_net *ndev,96			       struct macvlan_node *node)97{98	static const char *ut = "untagged";99	char vidstr[9];100	u16 vid;101 102	node->ucast_counter.mdev = ndev->mvdev.mdev;103	node->mcast_counter.mdev = ndev->mvdev.mdev;104	if (node->tagged) {105		vid = key2vid(node->macvlan);106		snprintf(vidstr, sizeof(vidstr), "0x%x", vid);107	} else {108		strcpy(vidstr, ut);109	}110 111	node->dent = debugfs_create_dir(vidstr, ndev->rx_dent);112	if (IS_ERR(node->dent)) {113		node->dent = NULL;114		return;115	}116 117	node->ucast_counter.dent = debugfs_create_dir("ucast", node->dent);118	if (IS_ERR(node->ucast_counter.dent))119		return;120 121	add_counter_node(&node->ucast_counter, node->ucast_counter.dent);122 123	node->mcast_counter.dent = debugfs_create_dir("mcast", node->dent);124	if (IS_ERR(node->mcast_counter.dent))125		return;126 127	add_counter_node(&node->mcast_counter, node->mcast_counter.dent);128}129 130void mlx5_vdpa_remove_rx_counters(struct mlx5_vdpa_net *ndev,131				  struct macvlan_node *node)132{133	if (node->dent && ndev->debugfs)134		debugfs_remove_recursive(node->dent);135}136#endif137 138void mlx5_vdpa_add_debugfs(struct mlx5_vdpa_net *ndev)139{140	struct mlx5_core_dev *mdev;141 142	mdev = ndev->mvdev.mdev;143	ndev->debugfs = debugfs_create_dir(dev_name(&ndev->mvdev.vdev.dev),144					   mlx5_debugfs_get_dev_root(mdev));145	if (!IS_ERR(ndev->debugfs))146		ndev->rx_dent = debugfs_create_dir("rx", ndev->debugfs);147}148 149void mlx5_vdpa_remove_debugfs(struct mlx5_vdpa_net *ndev)150{151	debugfs_remove_recursive(ndev->debugfs);152	ndev->debugfs = NULL;153}154