tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: c02455c4cce8052f74fc11c09e9073c01c7f33a4 commit: 69181c3c9413ccaa4dab458057d13efda520cb60 [2195/2195] Net: nebula_matrix: fix ci build warning config: x86_64-randconfig-2005-20250501 (https://download.01.org/0day-ci/archive/20250625/202506252327.VuoQfdNB-lkp@i...) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250625/202506252327.VuoQfdNB-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/202506252327.VuoQfdNB-lkp@intel.com/ All warnings (new ones prefixed by >>):

...

drivers/net/ethernet/nebula-matrix/nbl/nbl_hw/nbl_hw_leonis/nbl_queue_leonis.c:149:5: warning: no previous prototype for 'nbl_res_queue_setup_qid_map_table_leonis' [-Wmissing-prototypes] 149 | int nbl_res_queue_setup_qid_map_table_leonis(struct nbl_resource_mgt *res_mgt, u16 func_id, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/nebula-matrix/nbl/nbl_hw/nbl_hw_leonis/nbl_queue_leonis.c:216:6: warning: no previous prototype for 'nbl_res_queue_remove_qid_map_table_leonis' [-Wmissing-prototypes] 216 | void nbl_res_queue_remove_qid_map_table_leonis(struct nbl_resource_mgt *res_mgt, u16 func_id) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/nebula-matrix/nbl/nbl_hw/nbl_hw_leonis/nbl_queue_leonis.c:545:5: warning: no previous prototype for 'nbl_res_queue_init_qid_map_table' [-Wmissing-prototypes] 545 | int nbl_res_queue_init_qid_map_table(struct nbl_resource_mgt *res_mgt, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/nebula-matrix/nbl/nbl_hw/nbl_hw_leonis/nbl_queue_leonis.c:1193:5: warning: no previous prototype for 'nbl_queue_setup_ops_leonis' [-Wmissing-prototypes] 1193 | int nbl_queue_setup_ops_leonis(struct nbl_resource_ops *res_ops) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/nebula-matrix/nbl/nbl_hw/nbl_hw_leonis/nbl_queue_leonis.c:1202:6: warning: no previous prototype for 'nbl_queue_remove_ops_leonis' [-Wmissing-prototypes] 1202 | void nbl_queue_remove_ops_leonis(struct nbl_resource_ops *res_ops) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/nebula-matrix/nbl/nbl_hw/nbl_hw_leonis/nbl_queue_leonis.c:1209:6: warning: no previous prototype for 'nbl_queue_mgt_init_leonis' [-Wmissing-prototypes] 1209 | void nbl_queue_mgt_init_leonis(struct nbl_queue_mgt *queue_mgt) | ^~~~~~~~~~~~~~~~~~~~~~~~~ -- drivers/net/ethernet/nebula-matrix/nbl/nbl_hw/nbl_hw_leonis/nbl_flow_leonis.c:450:6: warning: no previous prototype for 'nbl_flow_set_mt_input' [-Wmissing-prototypes] 450 | void nbl_flow_set_mt_input(struct nbl_mt_input *mt_input, union nbl_common_data_u *kt_data, | ^~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/nebula-matrix/nbl/nbl_hw/nbl_hw_leonis/nbl_flow_leonis.c:556:5: warning: no previous prototype for 'nbl_flow_insert_pp_ht' [-Wmissing-prototypes] 556 | int nbl_flow_insert_pp_ht(struct nbl_flow_ht_mng *pp_ht_mng, | ^~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/nebula-matrix/nbl/nbl_hw/nbl_hw_leonis/nbl_flow_leonis.c: In function 'nbl_flow_add_flow': drivers/net/ethernet/nebula-matrix/nbl/nbl_hw/nbl_hw_leonis/nbl_flow_leonis.c:725:29: warning: variable 'phy_ops' set but not used [-Wunused-but-set-variable] 725 | struct nbl_phy_ops *phy_ops; | ^~~~~~~ drivers/net/ethernet/nebula-matrix/nbl/nbl_hw/nbl_hw_leonis/nbl_flow_leonis.c: In function 'nbl_flow_del_flow': drivers/net/ethernet/nebula-matrix/nbl/nbl_hw/nbl_hw_leonis/nbl_flow_leonis.c:807:29: warning: variable 'phy_ops' set but not used [-Wunused-but-set-variable] 807 | struct nbl_phy_ops *phy_ops; | ^~~~~~~ drivers/net/ethernet/nebula-matrix/nbl/nbl_hw/nbl_hw_leonis/nbl_flow_leonis.c: In function 'nbl_flow_add_macvlan': drivers/net/ethernet/nebula-matrix/nbl/nbl_hw/nbl_hw_leonis/nbl_flow_leonis.c:921:33: warning: variable 'common' set but not used [-Wunused-but-set-variable] 921 | struct nbl_common_info *common; | ^~~~~~ drivers/net/ethernet/nebula-matrix/nbl/nbl_hw/nbl_hw_leonis/nbl_flow_leonis.c: At top level: drivers/net/ethernet/nebula-matrix/nbl/nbl_hw/nbl_hw_leonis/nbl_flow_leonis.c:1415:5: warning: no previous prototype for 'nbl_flow_mgt_start_leonis' [-Wmissing-prototypes] 1415 | int nbl_flow_mgt_start_leonis(struct nbl_resource_mgt *res_mgt) | ^~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/nebula-matrix/nbl/nbl_hw/nbl_hw_leonis/nbl_flow_leonis.c:1440:6: warning: no previous prototype for 'nbl_flow_mgt_stop_leonis' [-Wmissing-prototypes] 1440 | void nbl_flow_mgt_stop_leonis(struct nbl_resource_mgt *res_mgt) | ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/nebula-matrix/nbl/nbl_hw/nbl_hw_leonis/nbl_flow_leonis.c:1453:5: warning: no previous prototype for 'nbl_flow_setup_ops_leonis' [-Wmissing-prototypes] 1453 | int nbl_flow_setup_ops_leonis(struct nbl_resource_ops *res_ops) | ^~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/nebula-matrix/nbl/nbl_hw/nbl_hw_leonis/nbl_flow_leonis.c:1462:6: warning: no previous prototype for 'nbl_flow_remove_ops_leonis' [-Wmissing-prototypes] 1462 | void nbl_flow_remove_ops_leonis(struct nbl_resource_ops *res_ops) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ -- drivers/net/ethernet/nebula-matrix/nbl/nbl_hw/nbl_adminq.c: In function 'nbl_res_adminq_pt_filter_out': drivers/net/ethernet/nebula-matrix/nbl/nbl_hw/nbl_adminq.c:1568:13: warning: variable 'ret' set but not used [-Wunused-but-set-variable] 1568 | int ret = 0; | ^~~ drivers/net/ethernet/nebula-matrix/nbl/nbl_hw/nbl_adminq.c: In function 'nbl_res_adminq_get_firmware_version': drivers/net/ethernet/nebula-matrix/nbl/nbl_hw/nbl_adminq.c:548:55: warning: '%08x' directive output may be truncated writing 8 bytes into a region of size between 2 and 11 [-Wformat-truncation=] 548 | "%d.%d.%d build %04d%02d%02d %08x", | ^~~~ drivers/net/ethernet/nebula-matrix/nbl/nbl_hw/nbl_adminq.c:547:17: note: 'snprintf' output between 30 and 39 bytes into a destination of size 32 547 | snprintf(firmware_verion, ETHTOOL_FWVERS_LEN, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 548 | "%d.%d.%d build %04d%02d%02d %08x", | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 549 | BCD2BYTE((resp_param.version >> 16) & 0xFF), | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 550 | BCD2BYTE((resp_param.version >> 8) & 0xFF), | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 551 | BCD2BYTE(resp_param.version & 0xFF), | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 552 | BCD2SHORT((resp_param.build_date >> 16) & 0xFFFF), | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 553 | BCD2BYTE((resp_param.build_date >> 8) & 0xFF), | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 554 | BCD2BYTE(resp_param.build_date & 0xFF), | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 555 | resp_param.build_hash); | ~~~~~~~~~~~~~~~~~~~~~~ -- drivers/net/ethernet/nebula-matrix/nbl/nbl_hw/nbl_txrx.c:15:5: warning: no previous prototype for 'nbl_alloc_tx_rings' [-Wmissing-prototypes] 15 | int nbl_alloc_tx_rings(struct nbl_resource_mgt *res_mgt, struct net_device *netdev, | ^~~~~~~~~~~~~~~~~~ drivers/net/ethernet/nebula-matrix/nbl/nbl_hw/nbl_txrx.c: In function 'nbl_res_txrx_clean_rx_irq': drivers/net/ethernet/nebula-matrix/nbl/nbl_hw/nbl_txrx.c:949:13: warning: variable 'sport_id' set but not used [-Wunused-but-set-variable] 949 | u16 sport_id; | ^~~~~~~~ -- drivers/net/ethernet/nebula-matrix/nbl/nbl_core/nbl_service.c:32:5: warning: no previous prototype for 'nbl_serv_setup_queues' [-Wmissing-prototypes] 32 | int nbl_serv_setup_queues(struct nbl_service_mgt *serv_mgt, struct nbl_serv_ring_vsi_info *vsi_info) | ^~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/nebula-matrix/nbl/nbl_core/nbl_service.c:68:6: warning: no previous prototype for 'nbl_serv_flush_rx_queues' [-Wmissing-prototypes] 68 | void nbl_serv_flush_rx_queues(struct nbl_service_mgt *serv_mgt, u16 ring_offset, u16 ring_num) | ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/nebula-matrix/nbl/nbl_core/nbl_service.c:77:5: warning: no previous prototype for 'nbl_serv_setup_rings' [-Wmissing-prototypes] 77 | int nbl_serv_setup_rings(struct nbl_service_mgt *serv_mgt, struct net_device *netdev, | ^~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/nebula-matrix/nbl/nbl_core/nbl_service.c:124:6: warning: no previous prototype for 'nbl_serv_stop_rings' [-Wmissing-prototypes] 124 | void nbl_serv_stop_rings(struct nbl_service_mgt *serv_mgt, | ^~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/nebula-matrix/nbl/nbl_core/nbl_service.c: In function 'nbl_serv_netdev_stop': drivers/net/ethernet/nebula-matrix/nbl/nbl_core/nbl_service.c:734:40: warning: variable 'vsi_info' set but not used [-Wunused-but-set-variable] 734 | struct nbl_serv_ring_vsi_info *vsi_info; | ^~~~~~~~ drivers/net/ethernet/nebula-matrix/nbl/nbl_core/nbl_service.c: In function 'nbl_serv_remove_txrx_queues': drivers/net/ethernet/nebula-matrix/nbl/nbl_core/nbl_service.c:1406:35: warning: variable 'ring_mgt' set but not used [-Wunused-but-set-variable] 1406 | struct nbl_serv_ring_mgt *ring_mgt; | ^~~~~~~~ drivers/net/ethernet/nebula-matrix/nbl/nbl_core/nbl_service.c: At top level: drivers/net/ethernet/nebula-matrix/nbl/nbl_core/nbl_service.c:2116:6: warning: no previous prototype for 'nbl_serv_pldmfw_op_pci_match_record' [-Wmissing-prototypes] 2116 | bool nbl_serv_pldmfw_op_pci_match_record(struct pldmfw *context, struct pldmfw_record *record) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/nebula-matrix/nbl/nbl_core/nbl_service.c:2851:5: warning: no previous prototype for 'nbl_serv_get_vf_base_vsi_id' [-Wmissing-prototypes] 2851 | u16 nbl_serv_get_vf_base_vsi_id(void *priv, u16 func_id) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ -- drivers/net/ethernet/nebula-matrix/nbl/nbl_channel/nbl_channel.c:941:6: warning: no previous prototype for 'nbl_chan_clean_queue_subtask' [-Wmissing-prototypes] 941 | void nbl_chan_clean_queue_subtask(void *priv, u8 chan_type) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~

vim +/nbl_res_queue_setup_qid_map_table_leonis +149 drivers/net/ethernet/nebula-matrix/nbl/nbl_hw/nbl_hw_leonis/nbl_queue_leonis.c bad535d287c9c1 Bennie Yan 2024-09-24 148 bad535d287c9c1 Bennie Yan 2024-09-24 @149 int nbl_res_queue_setup_qid_map_table_leonis(struct nbl_resource_mgt *res_mgt, u16 func_id, bad535d287c9c1 Bennie Yan 2024-09-24 150 u64 notify_addr) bad535d287c9c1 Bennie Yan 2024-09-24 151 { bad535d287c9c1 Bennie Yan 2024-09-24 152 struct nbl_common_info *common = NBL_RES_MGT_TO_COMMON(res_mgt); bad535d287c9c1 Bennie Yan 2024-09-24 153 struct nbl_queue_mgt *queue_mgt = NBL_RES_MGT_TO_QUEUE_MGT(res_mgt); bad535d287c9c1 Bennie Yan 2024-09-24 154 struct nbl_queue_info *queue_info = &queue_mgt->queue_info[func_id]; bad535d287c9c1 Bennie Yan 2024-09-24 155 struct nbl_qid_map_table qid_map; bad535d287c9c1 Bennie Yan 2024-09-24 156 u64 key; bad535d287c9c1 Bennie Yan 2024-09-24 157 u16 *txrx_queues = queue_info->txrx_queues; bad535d287c9c1 Bennie Yan 2024-09-24 158 u16 qid_map_entries = queue_info->num_txrx_queues, qid_map_base, tail; bad535d287c9c1 Bennie Yan 2024-09-24 159 int i; bad535d287c9c1 Bennie Yan 2024-09-24 160 bad535d287c9c1 Bennie Yan 2024-09-24 161 /* Get base location */ bad535d287c9c1 Bennie Yan 2024-09-24 162 queue_info->notify_addr = notify_addr; bad535d287c9c1 Bennie Yan 2024-09-24 163 key = notify_addr >> NBL_QID_MAP_NOTIFY_ADDR_SHIFT; bad535d287c9c1 Bennie Yan 2024-09-24 164 bad535d287c9c1 Bennie Yan 2024-09-24 165 for (i = 0; i < NBL_QID_MAP_TABLE_ENTRIES; i++) { bad535d287c9c1 Bennie Yan 2024-09-24 166 WARN_ON(key == nbl_res_queue_qid_map_key(queue_mgt->qid_map_table[i])); bad535d287c9c1 Bennie Yan 2024-09-24 167 if (key < nbl_res_queue_qid_map_key(queue_mgt->qid_map_table[i])) { bad535d287c9c1 Bennie Yan 2024-09-24 168 qid_map_base = i; bad535d287c9c1 Bennie Yan 2024-09-24 169 break; bad535d287c9c1 Bennie Yan 2024-09-24 170 } bad535d287c9c1 Bennie Yan 2024-09-24 171 } bad535d287c9c1 Bennie Yan 2024-09-24 172 if (i == NBL_QID_MAP_TABLE_ENTRIES) { bad535d287c9c1 Bennie Yan 2024-09-24 173 nbl_err(common, NBL_DEBUG_QUEUE, "No valid qid map key for func %d", func_id); bad535d287c9c1 Bennie Yan 2024-09-24 174 return -ENOSPC; bad535d287c9c1 Bennie Yan 2024-09-24 175 } bad535d287c9c1 Bennie Yan 2024-09-24 176 bad535d287c9c1 Bennie Yan 2024-09-24 177 /* Calc tail, we will set the qid_map from 0 to tail. bad535d287c9c1 Bennie Yan 2024-09-24 178 * We have to make sure that this range (0, tail) can cover all the changes, which need to bad535d287c9c1 Bennie Yan 2024-09-24 179 * consider all the two tables. Therefore, it is necessary to store each table's tail, and bad535d287c9c1 Bennie Yan 2024-09-24 180 * always use the larger one between this table's tail and the added tail. bad535d287c9c1 Bennie Yan 2024-09-24 181 * bad535d287c9c1 Bennie Yan 2024-09-24 182 * The reason can be illustrated in the following example: bad535d287c9c1 Bennie Yan 2024-09-24 183 * Step 1: del some entries, which happens on table 1, and each table could be bad535d287c9c1 Bennie Yan 2024-09-24 184 * Table 0: 0 - 31 used bad535d287c9c1 Bennie Yan 2024-09-24 185 * Table 1: 0 - 15 used bad535d287c9c1 Bennie Yan 2024-09-24 186 * SW : queue_mgt->total_qid_map_entries = 16 bad535d287c9c1 Bennie Yan 2024-09-24 187 * Step 2: add 2 entries, which happens on table 0, if we use 16 + 2 as the tail, then bad535d287c9c1 Bennie Yan 2024-09-24 188 * Table 0: 0 - 17 correctly added, 18 - 31 garbage data bad535d287c9c1 Bennie Yan 2024-09-24 189 * Table 1: 0 - 15 used bad535d287c9c1 Bennie Yan 2024-09-24 190 * SW : queue_mgt->total_qid_map_entries = 18 bad535d287c9c1 Bennie Yan 2024-09-24 191 * And this is definitely wrong, it should use 32, table 0's original tail bad535d287c9c1 Bennie Yan 2024-09-24 192 */ bad535d287c9c1 Bennie Yan 2024-09-24 193 queue_mgt->total_qid_map_entries += qid_map_entries; bad535d287c9c1 Bennie Yan 2024-09-24 194 tail = max(queue_mgt->total_qid_map_entries, bad535d287c9c1 Bennie Yan 2024-09-24 195 queue_mgt->qid_map_tail[queue_mgt->qid_map_select]); bad535d287c9c1 Bennie Yan 2024-09-24 196 queue_mgt->qid_map_tail[queue_mgt->qid_map_select] = queue_mgt->total_qid_map_entries; bad535d287c9c1 Bennie Yan 2024-09-24 197 bad535d287c9c1 Bennie Yan 2024-09-24 198 /* Update qid map */ bad535d287c9c1 Bennie Yan 2024-09-24 199 for (i = NBL_QID_MAP_TABLE_ENTRIES - qid_map_entries; i > qid_map_base; i--) bad535d287c9c1 Bennie Yan 2024-09-24 200 queue_mgt->qid_map_table[i - 1 + qid_map_entries] = queue_mgt->qid_map_table[i - 1]; bad535d287c9c1 Bennie Yan 2024-09-24 201 bad535d287c9c1 Bennie Yan 2024-09-24 202 for (i = 0; i < queue_info->num_txrx_queues; i++) { bad535d287c9c1 Bennie Yan 2024-09-24 203 qid_map.local_qid = 2 * i + 1; bad535d287c9c1 Bennie Yan 2024-09-24 204 qid_map.notify_addr_l = key; bad535d287c9c1 Bennie Yan 2024-09-24 205 qid_map.notify_addr_h = key >> NBL_QID_MAP_NOTIFY_ADDR_LOW_PART_LEN; bad535d287c9c1 Bennie Yan 2024-09-24 206 qid_map.global_qid = txrx_queues[i]; bad535d287c9c1 Bennie Yan 2024-09-24 207 qid_map.ctrlq_flag = 0; bad535d287c9c1 Bennie Yan 2024-09-24 208 queue_mgt->qid_map_table[qid_map_base + i] = qid_map; bad535d287c9c1 Bennie Yan 2024-09-24 209 } bad535d287c9c1 Bennie Yan 2024-09-24 210 bad535d287c9c1 Bennie Yan 2024-09-24 211 nbl_res_queue_set_qid_map_table(res_mgt, tail); bad535d287c9c1 Bennie Yan 2024-09-24 212 bad535d287c9c1 Bennie Yan 2024-09-24 213 return 0; bad535d287c9c1 Bennie Yan 2024-09-24 214 } bad535d287c9c1 Bennie Yan 2024-09-24 215 bad535d287c9c1 Bennie Yan 2024-09-24 @216 void nbl_res_queue_remove_qid_map_table_leonis(struct nbl_resource_mgt *res_mgt, u16 func_id) bad535d287c9c1 Bennie Yan 2024-09-24 217 { bad535d287c9c1 Bennie Yan 2024-09-24 218 struct nbl_common_info *common = NBL_RES_MGT_TO_COMMON(res_mgt); bad535d287c9c1 Bennie Yan 2024-09-24 219 struct nbl_queue_mgt *queue_mgt = NBL_RES_MGT_TO_QUEUE_MGT(res_mgt); bad535d287c9c1 Bennie Yan 2024-09-24 220 struct nbl_queue_info *queue_info = &queue_mgt->queue_info[func_id]; bad535d287c9c1 Bennie Yan 2024-09-24 221 struct nbl_qid_map_table qid_map; bad535d287c9c1 Bennie Yan 2024-09-24 222 u64 key; bad535d287c9c1 Bennie Yan 2024-09-24 223 u16 qid_map_entries = queue_info->num_txrx_queues, qid_map_base, tail; bad535d287c9c1 Bennie Yan 2024-09-24 224 int i; bad535d287c9c1 Bennie Yan 2024-09-24 225 bad535d287c9c1 Bennie Yan 2024-09-24 226 /* Get base location */ bad535d287c9c1 Bennie Yan 2024-09-24 227 key = queue_info->notify_addr >> NBL_QID_MAP_NOTIFY_ADDR_SHIFT; bad535d287c9c1 Bennie Yan 2024-09-24 228 bad535d287c9c1 Bennie Yan 2024-09-24 229 for (i = 0; i < NBL_QID_MAP_TABLE_ENTRIES; i++) { bad535d287c9c1 Bennie Yan 2024-09-24 230 if (key == nbl_res_queue_qid_map_key(queue_mgt->qid_map_table[i])) { bad535d287c9c1 Bennie Yan 2024-09-24 231 qid_map_base = i; bad535d287c9c1 Bennie Yan 2024-09-24 232 break; bad535d287c9c1 Bennie Yan 2024-09-24 233 } bad535d287c9c1 Bennie Yan 2024-09-24 234 } bad535d287c9c1 Bennie Yan 2024-09-24 235 if (i == NBL_QID_MAP_TABLE_ENTRIES) { bad535d287c9c1 Bennie Yan 2024-09-24 236 nbl_err(common, NBL_DEBUG_QUEUE, "No valid qid map key for func %d", func_id); bad535d287c9c1 Bennie Yan 2024-09-24 237 return; bad535d287c9c1 Bennie Yan 2024-09-24 238 } bad535d287c9c1 Bennie Yan 2024-09-24 239 bad535d287c9c1 Bennie Yan 2024-09-24 240 /* Calc tail, we will set the qid_map from 0 to tail. bad535d287c9c1 Bennie Yan 2024-09-24 241 * We have to make sure that this range (0, tail) can cover all the changes, which need to bad535d287c9c1 Bennie Yan 2024-09-24 242 * consider all the two tables. Therefore, it is necessary to store each table's tail, and bad535d287c9c1 Bennie Yan 2024-09-24 243 * always use the larger one between this table's tail and the driver-stored tail. bad535d287c9c1 Bennie Yan 2024-09-24 244 * bad535d287c9c1 Bennie Yan 2024-09-24 245 * The reason can be illustrated in the following example: bad535d287c9c1 Bennie Yan 2024-09-24 246 * Step 1: del some entries, which happens on table 1, and each table could be bad535d287c9c1 Bennie Yan 2024-09-24 247 * Table 0: 0 - 31 used bad535d287c9c1 Bennie Yan 2024-09-24 248 * Table 1: 0 - 15 used bad535d287c9c1 Bennie Yan 2024-09-24 249 * SW : queue_mgt->total_qid_map_entries = 16 bad535d287c9c1 Bennie Yan 2024-09-24 250 * Step 2: del 2 entries, which happens on table 0, if we use 16 as the tail, then bad535d287c9c1 Bennie Yan 2024-09-24 251 * Table 0: 0 - 13 correct, 14 - 31 garbage data bad535d287c9c1 Bennie Yan 2024-09-24 252 * Table 1: 0 - 15 used bad535d287c9c1 Bennie Yan 2024-09-24 253 * SW : queue_mgt->total_qid_map_entries = 14 bad535d287c9c1 Bennie Yan 2024-09-24 254 * And this is definitely wrong, it should use 32, table 0's original tail bad535d287c9c1 Bennie Yan 2024-09-24 255 */ bad535d287c9c1 Bennie Yan 2024-09-24 256 tail = max(queue_mgt->total_qid_map_entries, bad535d287c9c1 Bennie Yan 2024-09-24 257 queue_mgt->qid_map_tail[queue_mgt->qid_map_select]); bad535d287c9c1 Bennie Yan 2024-09-24 258 queue_mgt->total_qid_map_entries -= qid_map_entries; bad535d287c9c1 Bennie Yan 2024-09-24 259 queue_mgt->qid_map_tail[queue_mgt->qid_map_select] = queue_mgt->total_qid_map_entries; bad535d287c9c1 Bennie Yan 2024-09-24 260 bad535d287c9c1 Bennie Yan 2024-09-24 261 /* Update qid map */ bad535d287c9c1 Bennie Yan 2024-09-24 262 memset(&qid_map, U8_MAX, sizeof(qid_map)); bad535d287c9c1 Bennie Yan 2024-09-24 263 bad535d287c9c1 Bennie Yan 2024-09-24 264 for (i = qid_map_base; i < NBL_QID_MAP_TABLE_ENTRIES - qid_map_entries; i++) bad535d287c9c1 Bennie Yan 2024-09-24 265 queue_mgt->qid_map_table[i] = queue_mgt->qid_map_table[i + qid_map_entries]; bad535d287c9c1 Bennie Yan 2024-09-24 266 for (; i < NBL_QID_MAP_TABLE_ENTRIES; i++) bad535d287c9c1 Bennie Yan 2024-09-24 267 queue_mgt->qid_map_table[i] = qid_map; bad535d287c9c1 Bennie Yan 2024-09-24 268 bad535d287c9c1 Bennie Yan 2024-09-24 269 nbl_res_queue_set_qid_map_table(res_mgt, tail); bad535d287c9c1 Bennie Yan 2024-09-24 270 } bad535d287c9c1 Bennie Yan 2024-09-24 271 :::::: The code at line 149 was first introduced by commit :::::: bad535d287c9c1056d99de3666be7da84de4a8fc Net:nbl_core: Add nbl_core-driver for nebula-matrix S1055AS series smart NIC. :::::: TO: Bennie Yan <bennie.yan@nebula-matrix.com> :::::: CC: Bennie Yan <bennie.yan@nebula-matrix.com> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki