tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 26bfb7d9b0ef31487312e8e9e6eb097acaf5d739 commit: 9e1cec03a3abb934592272fc19603d00bb62f7cb [11564/22966] net: hns3: place cae entrance procedure implementations in a separate file config: arm64-randconfig-r111-20240615 (https://download.01.org/0day-ci/archive/20240618/202406182019.kf6McR7e-lkp@i...) compiler: aarch64-linux-gcc (GCC) 13.2.0 reproduce: (https://download.01.org/0day-ci/archive/20240618/202406182019.kf6McR7e-lkp@i...) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202406182019.kf6McR7e-lkp@intel.com/ sparse warnings: (new ones prefixed by >>)

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drivers/net/ethernet/hisilicon/hns3/hns3_cae/hns3_cae_init.c:53:14: sparse: sparse: symbol 'g_hns3_cae_class' was not declared. Should it be static? drivers/net/ethernet/hisilicon/hns3/hns3_cae/hns3_cae_init.c:54:13: sparse: sparse: symbol 'g_hns3_cae_cdev' was not declared. Should it be static? drivers/net/ethernet/hisilicon/hns3/hns3_cae/hns3_cae_init.c:57:5: sparse: sparse: symbol 'g_hns3_cae_init_flag' was not declared. Should it be static? drivers/net/ethernet/hisilicon/hns3/hns3_cae/hns3_cae_init.c:58:5: sparse: sparse: symbol 'g_hns3_cae_ref_cnt' was not declared. Should it be static? drivers/net/ethernet/hisilicon/hns3/hns3_cae/hns3_cae_init.c:96:43: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] <asn:1> *from @@ got void *in_buff @@ drivers/net/ethernet/hisilicon/hns3/hns3_cae/hns3_cae_init.c:96:43: sparse: expected void const [noderef] <asn:1> *from drivers/net/ethernet/hisilicon/hns3/hns3_cae/hns3_cae_init.c:96:43: sparse: got void *in_buff drivers/net/ethernet/hisilicon/hns3/hns3_cae/hns3_cae_init.c:139:32: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] <asn:1> *to @@ got void *out_buf @@ drivers/net/ethernet/hisilicon/hns3/hns3_cae/hns3_cae_init.c:139:32: sparse: expected void [noderef] <asn:1> *to drivers/net/ethernet/hisilicon/hns3/hns3_cae/hns3_cae_init.c:139:32: sparse: got void *out_buf drivers/net/ethernet/hisilicon/hns3/hns3_cae/hns3_cae_init.c:318:38: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] <asn:1> *from @@ got void * @@ drivers/net/ethernet/hisilicon/hns3/hns3_cae/hns3_cae_init.c:318:38: sparse: expected void const [noderef] <asn:1> *from drivers/net/ethernet/hisilicon/hns3/hns3_cae/hns3_cae_init.c:318:38: sparse: got void *

vim +/g_hns3_cae_class +53 drivers/net/ethernet/hisilicon/hns3/hns3_cae/hns3_cae_init.c 52

53 struct class *g_hns3_cae_class; 54 struct cdev g_hns3_cae_cdev; 55 static const char hns3_driver_name[] = "hns3"; 56 57 int g_hns3_cae_init_flag; 58 int g_hns3_cae_ref_cnt; 59 60 typedef int (*driv_module) (struct hns3_nic_priv *nic_dev, void *buf_in, 61 u32 in_size, void *buf_out, u32 out_size); 62 63 struct drv_module_handle { 64 enum driver_cmd_type driv_cmd_name; 65 driv_module driv_func; 66 }; 67 68 static void free_buff_in(void *buf_in) 69 { 70 if (!buf_in) 71 return; 72 73 kfree(buf_in); 74 } 75 76 static int alloc_buff_in(struct msg_module *nt_msg, u32 in_size, void **buf_in) 77 { 78 void *msg_buf; 79 80 if (!in_size) 81 return 0; 82 83 if (in_size > MAX_MSG_IN_SIZE) { 84 pr_err("msg in size(%u) more than %u\n", 85 in_size, MAX_MSG_IN_SIZE); 86 return -ENOMEM; 87 } 88 89 msg_buf = kzalloc((unsigned long)in_size, GFP_KERNEL); 90 *buf_in = msg_buf; 91 if (ZERO_OR_NULL_PTR(*buf_in)) { 92 pr_err("alloc buf_in failed\n"); 93 return -ENOMEM; 94 } 95 96 if (copy_from_user(msg_buf, nt_msg->in_buff, (unsigned long)in_size)) { 97 pr_err("Copy from user failed in %s function\n", __func__); 98 kfree(msg_buf); 99 return -EFAULT; 100 } 101 102 return 0; 103 } 104 105 static void free_buff_out(void *buf_out) 106 { 107 if (!buf_out) 108 return; 109 110 kfree(buf_out); 111 } 112 113 static int alloc_buff_out(u32 out_size, void **buf_out) 114 { 115 if (!out_size) 116 return 0; 117 118 if (out_size > MAX_MSG_OUT_SIZE) { 119 pr_err("msg out size(%u) more than %u\n", 120 out_size, MAX_MSG_OUT_SIZE); 121 return -ENOMEM; 122 } 123 124 *buf_out = kzalloc((unsigned long)out_size, GFP_KERNEL); 125 if (ZERO_OR_NULL_PTR(*buf_out)) { 126 pr_err("alloc buf_out failed\n"); 127 return -ENOMEM; 128 } 129 130 return 0; 131 } 132 133 static int copy_buf_out_to_user(struct msg_module *nt_msg, u32 out_size, 134 void **buf_out) 135 { 136 int ret = 0; 137 void *msg_out = buf_out; 138 139 if (copy_to_user(nt_msg->out_buf, msg_out, out_size)) 140 ret = -EFAULT; 141 142 return ret; 143 } 144 145 static int hns3_cae_netdev_match_check(struct net_device *netdev) 146 { 147 struct ethtool_drvinfo drv_info; 148 149 if (netdev->ethtool_ops->get_drvinfo) 150 netdev->ethtool_ops->get_drvinfo(netdev, &drv_info); 151 152 if (!strncmp(drv_info.driver, hns3_driver_name, 153 strlen(hns3_driver_name))) 154 return 0; 155 156 netdev_err(netdev, "match hns3 driver name(%s) failed\n", 157 drv_info.driver); 158 return -1; 159 } 160 161 #if (KERNEL_VERSION(4, 16, 0) < LINUX_VERSION_CODE) 162 static int kernel_sock_ioctl(struct socket *sock, int cmd, unsigned long arg) 163 { 164 mm_segment_t oldfs = get_fs(); 165 int err; 166 167 set_fs(KERNEL_DS); 168 err = sock->ops->ioctl(sock, cmd, arg); 169 set_fs(oldfs); 170 171 return err; 172 } 173 #endif 174 175 static struct net_device *get_netdev_by_ifname(char *ifname) 176 { 177 struct socket *temp_sock = NULL; 178 struct net_device *netdev = NULL; 179 struct ifreq ifr; 180 int err; 181 182 err = sock_create(PF_INET, SOCK_DGRAM, 0, &temp_sock); 183 if (err < 0) { 184 pr_err("fail to enter sock_create, err = %d\n", err); 185 return NULL; 186 } 187 188 strncpy(ifr.ifr_ifrn.ifrn_name, ifname, (unsigned long)IFNAMSIZ); 189 kernel_sock_ioctl(temp_sock, SIOCSIFNAME, (unsigned long)&ifr); 190 netdev = dev_get_by_name(sock_net(temp_sock->sk), ifname); 191 if (!netdev) 192 goto out; 193 194 dev_put(netdev); 195 196 out: 197 sock_release(temp_sock); 198 return netdev; 199 } 200 201 static int hns3_cae_k_get_netdev_by_ifname(char *ifname, 202 struct hns3_nic_priv **nic_dev) 203 { 204 struct net_device *netdev = NULL; 205 206 netdev = get_netdev_by_ifname(ifname); 207 if (!netdev) { 208 pr_err("not find the netdevice(%s)!\n", ifname); 209 return -EFAULT; 210 } 211 212 if (hns3_cae_netdev_match_check(netdev)) { 213 netdev_err(netdev, "netdevice is not hns device.\n"); 214 return -EFAULT; 215 } 216 217 *nic_dev = (struct hns3_nic_priv *)netdev_priv(netdev); 218 if (!(*nic_dev)) { 219 netdev_err(netdev, "no private data\n"); 220 return -EFAULT; 221 } 222 223 return 0; 224 } 225 226 struct drv_module_handle driv_module_cmd_handle[] = { 227 {FW_VER, hns3_cae_get_fw_ver}, 228 {DRIVER_VER, hns3_cae_get_driver_ver}, 229 {CHECKSUM_CFG, hns3_cae_chs_cfg}, 230 {TM_QUEUE_CFG, hns3_cae_queue_cfg}, 231 {TM_QSET_CFG, hns3_cae_qs_cfg}, 232 {TM_PRI_CFG, hns3_cae_pri_cfg}, 233 {TM_PG_CFG, hns3_cae_pg_cfg}, 234 {TM_PORT_CFG, hns3_cae_port_cfg}, 235 {TM_ETS_CFG, hns3_cae_ets_cfg}, 236 {DCB_MODE_CFG, hns3_cae_dcb_cfg}, 237 {ETS_MODE_CFG, hns3_cae_dcb_ets_cfg}, 238 {PFC_MODE_CFG, hns3_cae_dcb_pfc_cfg}, 239 {MAC_LOOP_CFG, hns3_cae_mac_loop_cfg}, 240 {DFX_INFO_CMD, hns3_cae_get_dfx_info}, 241 {DFX_READ_CMD, hns3_cae_read_dfx_info}, 242 {EVENT_INJECTION_CMD, hns3_cae_event_injection}, 243 {SEND_PKT, hns3_cae_send_pkt}, 244 {RX_PRIV_BUFF_WL_CFG, hns3_cae_rx_priv_buff_wl_cfg}, 245 {RX_COMMON_THRD_CFG, hns3_cae_common_thrd_cfg}, 246 {RX_COMMON_WL_CFG, hns3_cae_common_wl_cfg}, 247 {SHOW_RX_PRIV_WL, hns3_cae_show_rx_priv_wl}, 248 {SHOW_RX_COMM_THRES, hns3_cae_show_comm_thres}, 249 {QCN_EN_CFG, hns3_cae_qcn_cfg}, 250 {RX_BUFF_CFG, hns3_cae_rx_buff_cfg}, 251 {TX_BUFF_CFG, hns3_cae_tx_buff_cfg}, 252 {RESET_CFG, hns3_cae_nic_reset}, 253 {TIMEOUT_CFG, hns3_cae_nic_timeout_cfg}, 254 {PROMISC_MODE_CFG, hns3_promisc_mode_cfg}, 255 {QINFO_CFG, hns3_cae_qinfo_cfg}, 256 #ifdef CONFIG_IT_VALIDATION 257 {MACTABLE_CFG, hns3_cae_opt_mactbl}, 258 #endif 259 {CLEAN_STATS, hns3_cae_clean_stats}, 260 {FD_CFG, hns3_cae_fd_cfg}, 261 {RSS_GENERIC_CFG, hns3_cae_rss_cfg}, 262 {REG_CFG, hns3_cae_reg_cfg}, 263 {COM_REG_CFG, hns3_cae_common_cmd_send}, 264 {GRO_CFG, hns3_gro_age_handle}, 265 {M7_CMD_MODE_CFG, hns3_m7_cmd_handle}, 266 {QRES_CFG, hns3_cae_qres_cfg}, 267 {STAT_CFG, hns3_stat_mode_cfg}, 268 {IRQ_CFG, hns3_irq_lli_cfg}, 269 {VLAN_UPMAPPING, hns3_cae_upmapping_cfg}, 270 #ifdef CONFIG_EXT_TEST 271 {LAMP_CFG, hns3_lamp_cfg}, 272 {EXTERN_INTERFACE_CFG, hns3_ext_interface_test}, 273 #endif 274 {XSFP_CFG, hns3_xsfp_cfg}, 275 {SHOW_PORT_INFO, hns3_get_port_info}, 276 {SHOW_HILINK_PARAM, hns3_get_hilink_param}, 277 {DCQCN_PARM_CFG, hns3_nic_dcqcn}, 278 {DCQCN_GET_MSG_CNT_CMD, hns3_dcqcn_get_msg_cnt} 279 }; 280

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