1 /* 2 * Copyright (c) 2018 Mellanox Technologies. All rights reserved. 3 * 4 * This software is available to you under a choice of one of two 5 * licenses. You may choose to be licensed under the terms of the GNU 6 * General Public License (GPL) Version 2, available from the file 7 * COPYING in the main directory of this source tree, or the 8 * OpenIB.org BSD license below: 9 * 10 * Redistribution and use in source and binary forms, with or 11 * without modification, are permitted provided that the following 12 * conditions are met: 13 * 14 * - Redistributions of source code must retain the above 15 * copyright notice, this list of conditions and the following 16 * disclaimer. 17 * 18 * - Redistributions in binary form must reproduce the above 19 * copyright notice, this list of conditions and the following 20 * disclaimer in the documentation and/or other materials 21 * provided with the distribution. 22 * 23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 30 * SOFTWARE. 31 * 32 */ 33 34 #include <linux/ethtool.h> 35 #include <net/sock.h> 36 37 #include "en.h" 38 #include "fpga/sdk.h" 39 #include "en_accel/ktls.h" 40 41 static const struct counter_desc mlx5e_ktls_sw_stats_desc[] = { 42 { MLX5E_DECLARE_STAT(struct mlx5e_tls_sw_stats, tx_tls_ctx) }, 43 { MLX5E_DECLARE_STAT(struct mlx5e_tls_sw_stats, tx_tls_del) }, 44 { MLX5E_DECLARE_STAT(struct mlx5e_tls_sw_stats, tx_tls_pool_alloc) }, 45 { MLX5E_DECLARE_STAT(struct mlx5e_tls_sw_stats, tx_tls_pool_free) }, 46 { MLX5E_DECLARE_STAT(struct mlx5e_tls_sw_stats, rx_tls_ctx) }, 47 { MLX5E_DECLARE_STAT(struct mlx5e_tls_sw_stats, rx_tls_del) }, 48 }; 49 50 #define MLX5E_READ_CTR_ATOMIC64(ptr, dsc, i) \ 51 atomic64_read((atomic64_t *)((char *)(ptr) + (dsc)[i].offset)) 52 53 int mlx5e_ktls_get_count(struct mlx5e_priv *priv) 54 { 55 if (!priv->tls) 56 return 0; 57 58 return ARRAY_SIZE(mlx5e_ktls_sw_stats_desc); 59 } 60 61 int mlx5e_ktls_get_strings(struct mlx5e_priv *priv, uint8_t *data) 62 { 63 unsigned int i, n, idx = 0; 64 65 if (!priv->tls) 66 return 0; 67 68 n = mlx5e_ktls_get_count(priv); 69 70 for (i = 0; i < n; i++) 71 strcpy(data + (idx++) * ETH_GSTRING_LEN, 72 mlx5e_ktls_sw_stats_desc[i].format); 73 74 return n; 75 } 76 77 int mlx5e_ktls_get_stats(struct mlx5e_priv *priv, u64 *data) 78 { 79 unsigned int i, n, idx = 0; 80 81 if (!priv->tls) 82 return 0; 83 84 n = mlx5e_ktls_get_count(priv); 85 86 for (i = 0; i < n; i++) 87 data[idx++] = MLX5E_READ_CTR_ATOMIC64(&priv->tls->sw_stats, 88 mlx5e_ktls_sw_stats_desc, 89 i); 90 91 return n; 92 } 93