1 /* 2 * Copyright (c) 2017 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 "accel/ipsec.h" 39 #include "fpga/sdk.h" 40 #include "en_accel/ipsec.h" 41 42 static const struct counter_desc mlx5e_ipsec_hw_stats_desc[] = { 43 { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_stats, ipsec_dec_in_packets) }, 44 { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_stats, ipsec_dec_out_packets) }, 45 { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_stats, ipsec_dec_bypass_packets) }, 46 { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_stats, ipsec_enc_in_packets) }, 47 { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_stats, ipsec_enc_out_packets) }, 48 { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_stats, ipsec_enc_bypass_packets) }, 49 { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_stats, ipsec_dec_drop_packets) }, 50 { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_stats, ipsec_dec_auth_fail_packets) }, 51 { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_stats, ipsec_enc_drop_packets) }, 52 { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_stats, ipsec_add_sa_success) }, 53 { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_stats, ipsec_add_sa_fail) }, 54 { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_stats, ipsec_del_sa_success) }, 55 { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_stats, ipsec_del_sa_fail) }, 56 { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_stats, ipsec_cmd_drop) }, 57 }; 58 59 static const struct counter_desc mlx5e_ipsec_sw_stats_desc[] = { 60 { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_sw_stats, ipsec_rx_drop_sp_alloc) }, 61 { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_sw_stats, ipsec_rx_drop_sadb_miss) }, 62 { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_sw_stats, ipsec_rx_drop_syndrome) }, 63 { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_sw_stats, ipsec_tx_drop_bundle) }, 64 { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_sw_stats, ipsec_tx_drop_no_state) }, 65 { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_sw_stats, ipsec_tx_drop_not_ip) }, 66 { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_sw_stats, ipsec_tx_drop_trailer) }, 67 { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_sw_stats, ipsec_tx_drop_metadata) }, 68 }; 69 70 #define MLX5E_READ_CTR_ATOMIC64(ptr, dsc, i) \ 71 atomic64_read((atomic64_t *)((char *)(ptr) + (dsc)[i].offset)) 72 73 #define NUM_IPSEC_HW_COUNTERS ARRAY_SIZE(mlx5e_ipsec_hw_stats_desc) 74 #define NUM_IPSEC_SW_COUNTERS ARRAY_SIZE(mlx5e_ipsec_sw_stats_desc) 75 76 #define NUM_IPSEC_COUNTERS (NUM_IPSEC_HW_COUNTERS + NUM_IPSEC_SW_COUNTERS) 77 78 int mlx5e_ipsec_get_count(struct mlx5e_priv *priv) 79 { 80 if (!priv->ipsec) 81 return 0; 82 83 return NUM_IPSEC_COUNTERS; 84 } 85 86 int mlx5e_ipsec_get_strings(struct mlx5e_priv *priv, uint8_t *data) 87 { 88 unsigned int i, idx = 0; 89 90 if (!priv->ipsec) 91 return 0; 92 93 for (i = 0; i < NUM_IPSEC_HW_COUNTERS; i++) 94 strcpy(data + (idx++) * ETH_GSTRING_LEN, 95 mlx5e_ipsec_hw_stats_desc[i].format); 96 97 for (i = 0; i < NUM_IPSEC_SW_COUNTERS; i++) 98 strcpy(data + (idx++) * ETH_GSTRING_LEN, 99 mlx5e_ipsec_sw_stats_desc[i].format); 100 101 return NUM_IPSEC_COUNTERS; 102 } 103 104 void mlx5e_ipsec_update_stats(struct mlx5e_priv *priv) 105 { 106 int ret; 107 108 if (!priv->ipsec) 109 return; 110 111 ret = mlx5_accel_ipsec_counters_read(priv->mdev, (u64 *)&priv->ipsec->stats, 112 NUM_IPSEC_HW_COUNTERS); 113 if (ret) 114 memset(&priv->ipsec->stats, 0, sizeof(priv->ipsec->stats)); 115 } 116 117 int mlx5e_ipsec_get_stats(struct mlx5e_priv *priv, u64 *data) 118 { 119 int i, idx = 0; 120 121 if (!priv->ipsec) 122 return 0; 123 124 for (i = 0; i < NUM_IPSEC_HW_COUNTERS; i++) 125 data[idx++] = MLX5E_READ_CTR64_CPU(&priv->ipsec->stats, 126 mlx5e_ipsec_hw_stats_desc, i); 127 128 for (i = 0; i < NUM_IPSEC_SW_COUNTERS; i++) 129 data[idx++] = MLX5E_READ_CTR_ATOMIC64(&priv->ipsec->sw_stats, 130 mlx5e_ipsec_sw_stats_desc, i); 131 132 return NUM_IPSEC_COUNTERS; 133 } 134