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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