/*
 * Copyright (c) 2017, Mellanox Technologies, Ltd.  All rights reserved.
 *
 * This software is available to you under a choice of one of two
 * licenses.  You may choose to be licensed under the terms of the GNU
 * General Public License (GPL) Version 2, available from the file
 * COPYING in the main directory of this source tree, or the
 * OpenIB.org BSD license below:
 *
 *     Redistribution and use in source and binary forms, with or
 *     without modification, are permitted provided that the following
 *     conditions are met:
 *
 *      - Redistributions of source code must retain the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer.
 *
 *      - Redistributions in binary form must reproduce the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer in the documentation and/or other materials
 *        provided with the distribution.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#include "en.h"

static const struct counter_desc sw_stats_desc[] = {
	{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_packets) },
	{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_bytes) },
	{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, tx_packets) },
	{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, tx_bytes) },
	{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, tx_tso_packets) },
	{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, tx_tso_bytes) },
	{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, tx_tso_inner_packets) },
	{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, tx_tso_inner_bytes) },
	{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_lro_packets) },
	{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_lro_bytes) },
	{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_csum_unnecessary) },
	{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_csum_none) },
	{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_csum_complete) },
	{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_csum_unnecessary_inner) },
	{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_xdp_drop) },
	{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_xdp_tx) },
	{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_xdp_tx_full) },
	{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, tx_csum_none) },
	{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, tx_csum_partial) },
	{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, tx_csum_partial_inner) },
	{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, tx_queue_stopped) },
	{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, tx_queue_wake) },
	{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, tx_queue_dropped) },
	{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, tx_xmit_more) },
	{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_wqe_err) },
	{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_mpwqe_filler) },
	{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_buff_alloc_err) },
	{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_cqe_compress_blks) },
	{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_cqe_compress_pkts) },
	{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_page_reuse) },
	{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_cache_reuse) },
	{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_cache_full) },
	{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_cache_empty) },
	{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_cache_busy) },
	{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_cache_waive) },
	{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, link_down_events_phy) },
};

#define NUM_SW_COUNTERS			ARRAY_SIZE(sw_stats_desc)

static int mlx5e_grp_sw_get_num_stats(struct mlx5e_priv *priv)
{
	return NUM_SW_COUNTERS;
}

static int mlx5e_grp_sw_fill_strings(struct mlx5e_priv *priv, u8 *data, int idx)
{
	int i;

	for (i = 0; i < NUM_SW_COUNTERS; i++)
		strcpy(data + (idx++) * ETH_GSTRING_LEN, sw_stats_desc[i].format);
	return idx;
}

static int mlx5e_grp_sw_fill_stats(struct mlx5e_priv *priv, u64 *data, int idx)
{
	int i;

	for (i = 0; i < NUM_SW_COUNTERS; i++)
		data[idx++] = MLX5E_READ_CTR64_CPU(&priv->stats.sw, sw_stats_desc, i);
	return idx;
}

static const struct counter_desc q_stats_desc[] = {
	{ MLX5E_DECLARE_STAT(struct mlx5e_qcounter_stats, rx_out_of_buffer) },
};

#define NUM_Q_COUNTERS			ARRAY_SIZE(q_stats_desc)

static int mlx5e_grp_q_get_num_stats(struct mlx5e_priv *priv)
{
	return priv->q_counter ? NUM_Q_COUNTERS : 0;
}

static int mlx5e_grp_q_fill_strings(struct mlx5e_priv *priv, u8 *data, int idx)
{
	int i;

	for (i = 0; i < NUM_Q_COUNTERS && priv->q_counter; i++)
		strcpy(data + (idx++) * ETH_GSTRING_LEN, q_stats_desc[i].format);
	return idx;
}

static int mlx5e_grp_q_fill_stats(struct mlx5e_priv *priv, u64 *data, int idx)
{
	int i;

	for (i = 0; i < NUM_Q_COUNTERS && priv->q_counter; i++)
		data[idx++] = MLX5E_READ_CTR32_CPU(&priv->stats.qcnt, q_stats_desc, i);
	return idx;
}

const struct mlx5e_stats_grp mlx5e_stats_grps[] = {
	{
		.get_num_stats = mlx5e_grp_sw_get_num_stats,
		.fill_strings = mlx5e_grp_sw_fill_strings,
		.fill_stats = mlx5e_grp_sw_fill_stats,
	},
	{
		.get_num_stats = mlx5e_grp_q_get_num_stats,
		.fill_strings = mlx5e_grp_q_fill_strings,
		.fill_stats = mlx5e_grp_q_fill_stats,
	},
};

const int mlx5e_num_stats_grps = ARRAY_SIZE(mlx5e_stats_grps);