diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/esw/bridge_debugfs.c')
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/esw/bridge_debugfs.c | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/bridge_debugfs.c b/drivers/net/ethernet/mellanox/mlx5/core/esw/bridge_debugfs.c new file mode 100644 index 000000000000..b6a45eff28f5 --- /dev/null +++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/bridge_debugfs.c @@ -0,0 +1,89 @@ +// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB +/* Copyright (c) 2023, NVIDIA CORPORATION & AFFILIATES. All rights reserved. */ + +#include <linux/debugfs.h> +#include "bridge.h" +#include "bridge_priv.h" + +static void *mlx5_esw_bridge_debugfs_start(struct seq_file *seq, loff_t *pos); +static void *mlx5_esw_bridge_debugfs_next(struct seq_file *seq, void *v, loff_t *pos); +static void mlx5_esw_bridge_debugfs_stop(struct seq_file *seq, void *v); +static int mlx5_esw_bridge_debugfs_show(struct seq_file *seq, void *v); + +static const struct seq_operations mlx5_esw_bridge_debugfs_sops = { + .start = mlx5_esw_bridge_debugfs_start, + .next = mlx5_esw_bridge_debugfs_next, + .stop = mlx5_esw_bridge_debugfs_stop, + .show = mlx5_esw_bridge_debugfs_show, +}; +DEFINE_SEQ_ATTRIBUTE(mlx5_esw_bridge_debugfs); + +static void *mlx5_esw_bridge_debugfs_start(struct seq_file *seq, loff_t *pos) +{ + struct mlx5_esw_bridge *bridge = seq->private; + + rtnl_lock(); + return *pos ? seq_list_start(&bridge->fdb_list, *pos - 1) : SEQ_START_TOKEN; +} + +static void *mlx5_esw_bridge_debugfs_next(struct seq_file *seq, void *v, loff_t *pos) +{ + struct mlx5_esw_bridge *bridge = seq->private; + + return seq_list_next(v == SEQ_START_TOKEN ? &bridge->fdb_list : v, &bridge->fdb_list, pos); +} + +static void mlx5_esw_bridge_debugfs_stop(struct seq_file *seq, void *v) +{ + rtnl_unlock(); +} + +static int mlx5_esw_bridge_debugfs_show(struct seq_file *seq, void *v) +{ + struct mlx5_esw_bridge_fdb_entry *entry; + u64 packets, bytes, lastuse; + + if (v == SEQ_START_TOKEN) { + seq_printf(seq, "%-16s %-17s %4s %20s %20s %20s %5s\n", + "DEV", "MAC", "VLAN", "PACKETS", "BYTES", "LASTUSE", "FLAGS"); + return 0; + } + + entry = list_entry(v, struct mlx5_esw_bridge_fdb_entry, list); + mlx5_fc_query_cached_raw(entry->ingress_counter, &bytes, &packets, &lastuse); + seq_printf(seq, "%-16s %-17pM %4d %20llu %20llu %20llu %#5x\n", + entry->dev->name, entry->key.addr, entry->key.vid, packets, bytes, lastuse, + entry->flags); + return 0; +} + +void mlx5_esw_bridge_debugfs_init(struct net_device *br_netdev, struct mlx5_esw_bridge *bridge) +{ + if (!bridge->br_offloads->debugfs_root) + return; + + bridge->debugfs_dir = debugfs_create_dir(br_netdev->name, + bridge->br_offloads->debugfs_root); + debugfs_create_file("fdb", 0444, bridge->debugfs_dir, bridge, + &mlx5_esw_bridge_debugfs_fops); +} + +void mlx5_esw_bridge_debugfs_cleanup(struct mlx5_esw_bridge *bridge) +{ + debugfs_remove_recursive(bridge->debugfs_dir); + bridge->debugfs_dir = NULL; +} + +void mlx5_esw_bridge_debugfs_offloads_init(struct mlx5_esw_bridge_offloads *br_offloads) +{ + if (!br_offloads->esw->debugfs_root) + return; + + br_offloads->debugfs_root = debugfs_create_dir("bridge", br_offloads->esw->debugfs_root); +} + +void mlx5_esw_bridge_debugfs_offloads_cleanup(struct mlx5_esw_bridge_offloads *br_offloads) +{ + debugfs_remove_recursive(br_offloads->debugfs_root); + br_offloads->debugfs_root = NULL; +} |