tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 0dba2ca16050e1ea7b068850b6fa440dbeb6665b commit: 5deaf74c4b3edcf88f67f18aa352690deb9dc212 [4037/10605] drivers: initial support for rnpm drivers from Mucse Technology config: loongarch-randconfig-002-20240709 (https://download.01.org/0day-ci/archive/20240709/202407090319.Lo3bXFwf-lkp@i...) compiler: loongarch64-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240709/202407090319.Lo3bXFwf-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/202407090319.Lo3bXFwf-lkp@intel.com/

All warnings (new ones prefixed by >>):

drivers/net/ethernet/mucse/rnpm/rnpm_main.c:256:6: warning: no previous prototype for 'rnpm_pf_service_event_schedule' [-Wmissing-prototypes] 256 | void rnpm_pf_service_event_schedule(struct rnpm_pf_adapter *pf_adapter) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/mucse/rnpm/rnpm_main.c:1137:5: warning: no previous prototype for 'rnpm_rx_ring_reinit' [-Wmissing-prototypes] 1137 | int rnpm_rx_ring_reinit(struct rnpm_adapter *adapter, struct rnpm_ring *rx_ring) | ^~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/mucse/rnpm/rnpm_main.c: In function 'rnpm_clean_rx_irq': drivers/net/ethernet/mucse/rnpm/rnpm_main.c:2015:14: warning: variable 'xdp_xmit' set but not used [-Wunused-but-set-variable] 2015 | bool xdp_xmit = false; | ^~~~~~~~ drivers/net/ethernet/mucse/rnpm/rnpm_main.c: At top level: drivers/net/ethernet/mucse/rnpm/rnpm_main.c:2207:6: warning: no previous prototype for 'rnpm_write_eitr' [-Wmissing-prototypes] 2207 | void rnpm_write_eitr(struct rnpm_q_vector *q_vector, bool is_rxframe) | ^~~~~~~~~~~~~~~ drivers/net/ethernet/mucse/rnpm/rnpm_main.c:3013:5: warning: no previous prototype for 'rnpm_xmit_nop_frame_ring' [-Wmissing-prototypes] 3013 | int rnpm_xmit_nop_frame_ring(struct rnpm_adapter *adapter, | ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/mucse/rnpm/rnpm_main.c:3037:5: warning: no previous prototype for 'rnpm_xmit_nop_frame_ring_temp' [-Wmissing-prototypes] 3037 | int rnpm_xmit_nop_frame_ring_temp(struct rnpm_adapter *adapter, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/mucse/rnpm/rnpm_main.c:3909:6: warning: no previous prototype for 'rnpm_vlan_stags_flag' [-Wmissing-prototypes] 3909 | void rnpm_vlan_stags_flag(struct rnpm_adapter *adapter) | ^~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/mucse/rnpm/rnpm_main.c:4031:6: warning: no previous prototype for 'control_mac_rx' [-Wmissing-prototypes] 4031 | void control_mac_rx(struct rnpm_adapter *adapter, bool on) | ^~~~~~~~~~~~~~ drivers/net/ethernet/mucse/rnpm/rnpm_main.c:5803:6: warning: no previous prototype for 'rnpm_pf_service_timer' [-Wmissing-prototypes] 5803 | void rnpm_pf_service_timer(struct timer_list *t) | ^~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/mucse/rnpm/rnpm_main.c:5821:6: warning: no previous prototype for 'rnpm_service_timer' [-Wmissing-prototypes] 5821 | void rnpm_service_timer(struct timer_list *t) | ^~~~~~~~~~~~~~~~~~ drivers/net/ethernet/mucse/rnpm/rnpm_main.c:5962:21: warning: no previous prototype for 'wait_all_port_resetting' [-Wmissing-prototypes] 5962 | __maybe_unused void wait_all_port_resetting(struct rnpm_pf_adapter *pf_adapter) | ^~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/mucse/rnpm/rnpm_main.c:5974:21: warning: no previous prototype for 'clean_all_port_resetting' [-Wmissing-prototypes] 5974 | __maybe_unused void clean_all_port_resetting(struct rnpm_pf_adapter *pf_adapter) | ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/mucse/rnpm/rnpm_main.c:6185:5: warning: no previous prototype for 'rnpm_check_mc_addr' [-Wmissing-prototypes] 6185 | int rnpm_check_mc_addr(struct rnpm_adapter *adapter) | ^~~~~~~~~~~~~~~~~~ drivers/net/ethernet/mucse/rnpm/rnpm_main.c:6211:6: warning: no previous prototype for 'update_pf_vlan' [-Wmissing-prototypes] 6211 | void update_pf_vlan(struct rnpm_adapter *adapter) | ^~~~~~~~~~~~~~ drivers/net/ethernet/mucse/rnpm/rnpm_main.c:6262:6: warning: no previous prototype for 'rnpm_pf_service_task' [-Wmissing-prototypes] 6262 | void rnpm_pf_service_task(struct work_struct *work) | ^~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/mucse/rnpm/rnpm_main.c:7528:6: warning: no previous prototype for 'rnpm_clear_udp_tunnel_port' [-Wmissing-prototypes] 7528 | void rnpm_clear_udp_tunnel_port(struct rnpm_adapter *adapter) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/mucse/rnpm/rnpm_main.c:7692:6: warning: no previous prototype for 'rnpm_assign_netdev_ops' [-Wmissing-prototypes] 7692 | void rnpm_assign_netdev_ops(struct net_device *dev) | ^~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/mucse/rnpm/rnpm_main.c:7785:6: warning: no previous prototype for 'rnpm_fix_queue_number' [-Wmissing-prototypes] 7785 | void rnpm_fix_queue_number(struct rnpm_hw *hw) | ^~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/mucse/rnpm/rnpm_main.c:8760:5: warning: no previous prototype for 'rnpm_can_rpu_start' [-Wmissing-prototypes] 8760 | int rnpm_can_rpu_start(struct rnpm_pf_adapter *pf_adapter) | ^~~~~~~~~~~~~~~~~~ drivers/net/ethernet/mucse/rnpm/rnpm_main.c: In function 'rnpm_request_msix_irqs':

...

drivers/net/ethernet/mucse/rnpm/rnpm_main.c:2911:41: warning: '%d' directive output may be truncated writing between 1 and 11 bytes into a region of size between 3 and 18 [-Wformat-truncation=]

2911 | "%s-%s-%d-%d", netdev->name, "TxRx", i, | ^~ drivers/net/ethernet/mucse/rnpm/rnpm_main.c:2911:34: note: directive argument in the range [-2147483643, 2147483646] 2911 | "%s-%s-%d-%d", netdev->name, "TxRx", i, | ^~~~~~~~~~~~~ drivers/net/ethernet/mucse/rnpm/rnpm_main.c:2911:34: note: directive argument in the range [0, 65535] drivers/net/ethernet/mucse/rnpm/rnpm_main.c:2910:25: note: 'snprintf' output between 10 and 39 bytes into a destination of size 24 2910 | snprintf(q_vector->name, sizeof(q_vector->name) - 1, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 2911 | "%s-%s-%d-%d", netdev->name, "TxRx", i, | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 2912 | q_vector->v_idx); | ~~~~~~~~~~~~~~~~

vim +2911 drivers/net/ethernet/mucse/rnpm/rnpm_main.c

2887 2888 /** 2889 * rnpm_request_msix_irqs - Initialize MSI-X interrupts 2890 * @adapter: board private structure 2891 * 2892 * rnpm_request_msix_irqs allocates MSI-X vectors and requests 2893 * interrupts from the kernel. 2894 **/ 2895 static int rnpm_request_msix_irqs(struct rnpm_adapter *adapter) 2896 { 2897 struct net_device *netdev = adapter->netdev; 2898 int err; 2899 int i = 0; 2900 int cpu; 2901 2902 DPRINTK(IFUP, INFO, "num_q_vectors:%d\n", adapter->num_q_vectors); 2903 2904 for (i = 0; i < adapter->num_q_vectors; i++) { 2905 struct rnpm_q_vector *q_vector = adapter->q_vector[i]; 2906 struct msix_entry *entry = &adapter->msix_entries[i]; 2907 2908 // rnpm_dbg("use irq %d\n", entry->entry); 2909 if (q_vector->tx.ring && q_vector->rx.ring) { 2910 snprintf(q_vector->name, sizeof(q_vector->name) - 1,

2911 "%s-%s-%d-%d", netdev->name, "TxRx", i,

2912 q_vector->v_idx); 2913 } else { 2914 WARN(!(q_vector->tx.ring && q_vector->rx.ring), 2915 "%s vector%d tx rx is null, v_idx:%d\n", 2916 netdev->name, i, q_vector->v_idx); 2917 /* skip this unused q_vector */ 2918 continue; 2919 } 2920 err = request_irq(entry->vector, &rnpm_msix_clean_rings, 0, 2921 q_vector->name, q_vector); 2922 if (err) { 2923 e_err(probe, 2924 "%s:request_irq failed for MSIX interrupt:%d Error: %d\n", 2925 netdev->name, entry->vector, err); 2926 goto free_queue_irqs; 2927 } 2928 /* register for affinity change notifications */ 2929 q_vector->affinity_notify.notify = rnpm_irq_affinity_notify; 2930 q_vector->affinity_notify.release = rnpm_irq_affinity_release; 2931 irq_set_affinity_notifier(entry->vector, 2932 &q_vector->affinity_notify); 2933 /* Spread affinity hints out across online CPUs. 2934 * 2935 * get_cpu_mask returns a static constant mask with 2936 * a permanent lifetime so it's ok to pass to 2937 * irq_set_affinity_hint without making a copy. 2938 */ 2939 cpu = cpumask_local_spread(q_vector->v_idx, -1); 2940 irq_set_affinity_hint(entry->vector, get_cpu_mask(cpu)); 2941 } 2942 2943 return 0; 2944 2945 free_queue_irqs: 2946 while (i) { 2947 i--; 2948 irq_set_affinity_hint(adapter->msix_entries[i].vector, NULL); 2949 irq_set_affinity_notifier(adapter->msix_entries[i].vector, 2950 NULL); 2951 irq_set_affinity_hint(adapter->msix_entries[i].vector, NULL); 2952 free_irq(adapter->msix_entries[i].vector, adapter->q_vector[i]); 2953 } 2954 2955 kfree(adapter->msix_entries); 2956 adapter->msix_entries = NULL; 2957 return err; 2958 } 2959