developer | 0fb30d5 | 2023-12-04 09:51:36 +0800 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
| 2 | /* |
| 3 | * Copyright (c) 2023 Mediatek Inc. All Rights Reserved. |
| 4 | * |
| 5 | * Author: Ren-Ting Wang <ren-ting.wang@mediatek.com> |
| 6 | */ |
| 7 | |
| 8 | #include <linux/debugfs.h> |
| 9 | #include <linux/inet.h> |
| 10 | #include <linux/uaccess.h> |
| 11 | |
| 12 | #include "tops/debugfs.h" |
| 13 | #include "tops/firmware.h" |
| 14 | #include "tops/internal.h" |
| 15 | #include "tops/mcu.h" |
| 16 | #include "tops/trm.h" |
| 17 | #include "tops/tunnel.h" |
| 18 | #include "tops/wdt.h" |
| 19 | |
| 20 | static const char *tops_role_name[__TOPS_ROLE_TYPE_MAX] = { |
| 21 | [TOPS_ROLE_TYPE_MGMT] = "tops-mgmt", |
| 22 | [TOPS_ROLE_TYPE_CLUSTER] = "tops-offload", |
| 23 | }; |
| 24 | |
| 25 | static struct dentry *tops_fw_debugfs_root; |
| 26 | |
| 27 | static int tops_fw_info_show(struct seq_file *s, void *private) |
| 28 | { |
| 29 | enum tops_role_type rtype; |
| 30 | struct tm tm = {0}; |
| 31 | const char *value; |
| 32 | const char *prop; |
| 33 | u32 nattr; |
| 34 | u32 i; |
| 35 | |
| 36 | for (rtype = TOPS_ROLE_TYPE_MGMT; rtype < __TOPS_ROLE_TYPE_MAX; rtype++) { |
| 37 | mtk_tops_fw_get_built_date(rtype, &tm); |
| 38 | |
| 39 | seq_printf(s, "%s FW information:\n", tops_role_name[rtype]); |
| 40 | seq_printf(s, "Git revision:\t%llx\n", |
| 41 | mtk_tops_fw_get_git_commit_id(rtype)); |
| 42 | seq_printf(s, "Build date:\t%04ld/%02d/%02d %02d:%02d:%02d\n", |
| 43 | tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday, |
| 44 | tm.tm_hour, tm.tm_min, tm.tm_sec); |
| 45 | |
| 46 | nattr = mtk_tops_fw_attr_get_num(rtype); |
| 47 | |
| 48 | for (i = 0; i < nattr; i++) { |
| 49 | prop = mtk_tops_fw_attr_get_property(rtype, i); |
| 50 | if (!prop) |
| 51 | continue; |
| 52 | |
| 53 | value = mtk_tops_fw_attr_get_value(rtype, prop); |
| 54 | |
| 55 | seq_printf(s, "%s:\t%s\n", prop, value); |
| 56 | } |
| 57 | seq_puts(s, "\n"); |
| 58 | } |
| 59 | |
| 60 | return 0; |
| 61 | } |
| 62 | |
| 63 | static int tops_tnl_show(struct seq_file *s, void *private) |
| 64 | { |
| 65 | struct tops_tnl_info *tnl_info; |
| 66 | struct tops_tnl_params *tnl_params; |
| 67 | u32 i; |
| 68 | |
| 69 | for (i = 0; i < CONFIG_TOPS_TNL_NUM; i++) { |
| 70 | tnl_info = mtk_tops_tnl_info_get_by_idx(i); |
| 71 | if (IS_ERR(tnl_info)) |
| 72 | /* tunnel not enabled */ |
| 73 | continue; |
| 74 | |
| 75 | tnl_params = &tnl_info->tnl_params; |
| 76 | if (!tnl_info->tnl_type || !tnl_info->tnl_type->tnl_param_dump) |
| 77 | continue; |
| 78 | |
| 79 | seq_printf(s, "Tunnel Index: %02u\n", i); |
| 80 | |
| 81 | mtk_tops_mac_param_dump(s, &tnl_params->params); |
| 82 | |
| 83 | mtk_tops_network_param_dump(s, &tnl_params->params); |
| 84 | |
| 85 | mtk_tops_transport_param_dump(s, &tnl_params->params); |
| 86 | |
| 87 | tnl_info->tnl_type->tnl_param_dump(s, &tnl_params->params); |
| 88 | |
| 89 | seq_printf(s, "\tTOPS Entry: %02u CLS Entry: %02u CDRT: %02u Flag: 0x%x\n", |
| 90 | tnl_params->tops_entry_proto, |
| 91 | tnl_params->cls_entry, |
| 92 | tnl_params->cdrt, |
| 93 | tnl_params->flag); |
| 94 | } |
| 95 | |
| 96 | return 0; |
| 97 | } |
| 98 | |
| 99 | static int tops_tnl_open(struct inode *inode, struct file *file) |
| 100 | { |
| 101 | return single_open(file, tops_tnl_show, file->private_data); |
| 102 | } |
| 103 | |
| 104 | static int tops_tnl_add_new_tnl(const char *buf) |
| 105 | { |
| 106 | struct tops_tnl_params tnl_params; |
| 107 | struct tops_params *params; |
| 108 | struct tops_tnl_info *tnl_info; |
| 109 | struct tops_tnl_type *tnl_type; |
| 110 | char proto[DEBUG_PROTO_LEN]; |
| 111 | int ofs = 0; |
| 112 | int ret = 0; |
| 113 | |
| 114 | memset(&tnl_params, 0, sizeof(struct tops_tnl_params)); |
| 115 | memset(proto, 0, sizeof(proto)); |
| 116 | |
| 117 | params = &tnl_params.params; |
| 118 | |
| 119 | ret = mtk_tops_debug_param_setup(buf, &ofs, params); |
| 120 | if (ret) |
| 121 | return ret; |
| 122 | |
| 123 | ret = mtk_tops_debug_param_proto_peek(buf, ofs, proto); |
| 124 | if (ret < 0) |
| 125 | return ret; |
| 126 | |
| 127 | ofs += ret; |
| 128 | |
| 129 | tnl_type = mtk_tops_tnl_type_get_by_name(proto); |
| 130 | if (!tnl_type || !tnl_type->tnl_debug_param_setup) |
| 131 | return -ENODEV; |
| 132 | |
| 133 | ret = tnl_type->tnl_debug_param_setup(buf, &ofs, params); |
| 134 | if (ret < 0) |
| 135 | return ret; |
| 136 | |
| 137 | tnl_params.flag |= TNL_DECAP_ENABLE; |
| 138 | tnl_params.flag |= TNL_ENCAP_ENABLE; |
| 139 | tnl_params.tops_entry_proto = tnl_type->tnl_proto_type; |
| 140 | |
| 141 | tnl_info = mtk_tops_tnl_info_alloc(tnl_type); |
| 142 | if (IS_ERR(tnl_info)) |
| 143 | return -ENOMEM; |
| 144 | |
| 145 | tnl_info->flag |= TNL_INFO_DEBUG; |
| 146 | memcpy(&tnl_info->cache, &tnl_params, sizeof(struct tops_tnl_params)); |
| 147 | |
| 148 | mtk_tops_tnl_info_hash(tnl_info); |
| 149 | |
| 150 | mtk_tops_tnl_info_submit(tnl_info); |
| 151 | |
| 152 | return 0; |
| 153 | } |
| 154 | |
| 155 | static ssize_t tops_tnl_write(struct file *file, const char __user *buffer, |
| 156 | size_t count, loff_t *data) |
| 157 | { |
| 158 | char cmd[21] = {0}; |
| 159 | char buf[512]; |
| 160 | int nchar = 0; |
| 161 | int ret = 0; |
| 162 | |
| 163 | if (count > sizeof(buf)) |
| 164 | return -ENOMEM; |
| 165 | |
| 166 | if (copy_from_user(buf, buffer, count)) |
| 167 | return -EFAULT; |
| 168 | |
| 169 | buf[count] = '\0'; |
| 170 | |
| 171 | ret = sscanf(buf, "%20s %n", cmd, &nchar); |
| 172 | |
| 173 | if (ret != 1) |
| 174 | return -EPERM; |
| 175 | |
| 176 | if (!strcmp(cmd, "NEW_TNL")) { |
| 177 | ret = tops_tnl_add_new_tnl(buf + nchar); |
| 178 | if (ret) |
| 179 | return ret; |
| 180 | } else { |
| 181 | return -EINVAL; |
| 182 | } |
| 183 | |
| 184 | return count; |
| 185 | } |
| 186 | |
| 187 | DEFINE_SHOW_ATTRIBUTE(tops_fw_info); |
| 188 | |
| 189 | static const struct file_operations tops_tnl_fops = { |
| 190 | .open = tops_tnl_open, |
| 191 | .read = seq_read, |
| 192 | .write = tops_tnl_write, |
| 193 | .llseek = seq_lseek, |
| 194 | .release = single_release, |
| 195 | }; |
| 196 | |
| 197 | int mtk_tops_debugfs_init(struct platform_device *pdev) |
| 198 | { |
| 199 | tops_fw_debugfs_root = debugfs_create_dir("fw", tops_debugfs_root); |
| 200 | |
| 201 | debugfs_create_file("firmware_info", 0400, tops_fw_debugfs_root, NULL, |
| 202 | &tops_fw_info_fops); |
| 203 | |
| 204 | debugfs_create_file("tunnel", 0444, tops_fw_debugfs_root, NULL, |
| 205 | &tops_tnl_fops); |
| 206 | |
| 207 | return 0; |
| 208 | } |
| 209 | |
| 210 | void mtk_tops_debugfs_deinit(struct platform_device *pdev) |
| 211 | { |
| 212 | debugfs_remove_recursive(tops_fw_debugfs_root); |
| 213 | } |