tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 5cd3a0597fbb381c1713f27fe723b340d36f331a commit: 0e80b39fcf6c1b2a13b11f8632b185a89b012b14 [3184/3184] net: wangxun: ngbe: add support for wangxun 1G config: loongarch-randconfig-002-20251114 (https://download.01.org/0day-ci/archive/20251114/202511140839.9biSTcQm-lkp@i...) compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 0bba1e76581bad04e7d7f09f5115ae5e2989e0d9) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251114/202511140839.9biSTcQm-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/202511140839.9biSTcQm-lkp@intel.com/ All warnings (new ones prefixed by >>):

...

drivers/net/ethernet/wangxun/ngbe/ngbe_sriov.c:1079:2: warning: unannotated fall-through between switch labels [-Wimplicit-fallthrough] 1079 | case NGBE_VF_BACKUP: | ^ drivers/net/ethernet/wangxun/ngbe/ngbe_sriov.c:1079:2: note: insert 'break;' to avoid fall-through 1079 | case NGBE_VF_BACKUP: | ^ | break; 1 warning generated. -- In file included from drivers/net/ethernet/wangxun/ngbe/ngbe_main.c:43: In file included from include/net/vxlan.h:11: In file included from include/net/nexthop.h:17: include/net/ip6_fib.h:281:10: warning: default initialization of an object of type 'typeof (f6i->expires)' (aka 'const unsigned long') leaves the object uninitialized [-Wdefault-const-init-var-unsafe] 281 | return time_after(jiffies, f6i->expires); | ^ include/linux/jiffies.h:126:3: note: expanded from macro 'time_after' 126 | typecheck(unsigned long, b) && \ | ^ include/linux/typecheck.h:11:12: note: expanded from macro 'typecheck' 11 | typeof(x) __dummy2; \ | ^ drivers/net/ethernet/wangxun/ngbe/ngbe_main.c:3772:6: warning: variable 'vlvfb' set but not used [-Wunused-but-set-variable] 3772 | u32 vlvfb; | ^ drivers/net/ethernet/wangxun/ngbe/ngbe_main.c:3878:20: warning: variable 'vlnctrl' set but not used [-Wunused-but-set-variable] 3878 | u32 fctrl, vmolr, vlnctrl; | ^ drivers/net/ethernet/wangxun/ngbe/ngbe_main.c:6911:13: warning: unused function 'ngbe_netpoll' [-Wunused-function] 6911 | static void ngbe_netpoll(struct net_device *netdev) | ^~~~~~~~~~~~ 4 warnings generated. -- drivers/net/ethernet/wangxun/ngbe/ngbe_ptp.c:631:2: warning: unannotated fall-through between switch labels [-Wimplicit-fallthrough] 631 | case HWTSTAMP_TX_ON: | ^ drivers/net/ethernet/wangxun/ngbe/ngbe_ptp.c:631:2: note: insert 'break;' to avoid fall-through 631 | case HWTSTAMP_TX_ON: | ^ | break; 1 warning generated.

vim +1079 drivers/net/ethernet/wangxun/ngbe/ngbe_sriov.c 1005 1006 static int ngbe_rcv_msg_from_vf(struct ngbe_adapter *adapter, u16 vf) 1007 { 1008 u16 mbx_size = NGBE_VXMAILBOX_SIZE; 1009 u32 msgbuf[NGBE_VXMAILBOX_SIZE]; 1010 struct ngbe_hw *hw = &adapter->hw; 1011 s32 retval; 1012 1013 retval = ngbe_read_mbx(hw, msgbuf, mbx_size, vf); 1014 1015 if (retval) { 1016 pr_err("Error receiving message from VF\n"); 1017 return retval; 1018 } 1019 1020 /* this is a message we already processed, do nothing */ 1021 if (msgbuf[0] & (NGBE_VT_MSGTYPE_ACK | NGBE_VT_MSGTYPE_NACK)) 1022 return retval; 1023 1024 /* flush the ack before we write any messages back */ 1025 NGBE_WRITE_FLUSH(hw); 1026 1027 if (msgbuf[0] == NGBE_VF_RESET) 1028 return ngbe_vf_reset_msg(adapter, vf); 1029 1030 /* until the vf completes a virtual function reset it should not be 1031 * allowed to start any configuration. 1032 */ 1033 1034 if (!adapter->vfinfo[vf].clear_to_send) { 1035 msgbuf[0] |= NGBE_VT_MSGTYPE_NACK; 1036 ngbe_write_mbx(hw, msgbuf, 1, vf); 1037 return retval; 1038 } 1039 1040 switch ((msgbuf[0] & 0xFFFF)) { 1041 case NGBE_VF_SET_MAC_ADDR: 1042 retval = ngbe_set_vf_mac_addr(adapter, msgbuf, vf); 1043 break; 1044 case NGBE_VF_SET_MULTICAST: 1045 retval = ngbe_set_vf_multicasts(adapter, msgbuf, vf); 1046 break; 1047 case NGBE_VF_SET_VLAN: 1048 retval = ngbe_set_vf_vlan_msg(adapter, msgbuf, vf); 1049 break; 1050 case NGBE_VF_SET_LPE: 1051 if (msgbuf[1] > NGBE_MAX_JUMBO_FRAME_SIZE) { 1052 e_err(drv, 1053 "VF max_frame %d exceed MAX_JUMBO_FRAME_SIZE\n", 1054 msgbuf[1]); 1055 return -EINVAL; 1056 } 1057 retval = ngbe_set_vf_lpe(adapter, msgbuf[1], vf); 1058 break; 1059 case NGBE_VF_SET_MACVLAN: 1060 retval = ngbe_set_vf_macvlan_msg(adapter, msgbuf, vf); 1061 break; 1062 case NGBE_VF_API_NEGOTIATE: 1063 retval = ngbe_negotiate_vf_api(adapter, msgbuf, vf); 1064 break; 1065 case NGBE_VF_GET_QUEUES: 1066 retval = ngbe_get_vf_queues(adapter, msgbuf, vf); 1067 break; 1068 case NGBE_VF_UPDATE_XCAST_MODE: 1069 retval = ngbe_update_vf_xcast_mode(adapter, msgbuf, vf); 1070 break; 1071 case NGBE_VF_GET_LINK_STATE: 1072 retval = ngbe_get_vf_link_state(adapter, msgbuf, vf); 1073 break; 1074 case NGBE_VF_GET_LINK_STATUS: 1075 retval = ngbe_get_vf_link_status(adapter, msgbuf, vf); 1076 break; 1077 case NGBE_VF_GET_FW_VERSION: 1078 retval = ngbe_get_fw_version(adapter, msgbuf, vf);

1079 case NGBE_VF_BACKUP: 1080 break; 1081 default: 1082 e_err(drv, "Unhandled Msg %8.8x\n", msgbuf[0]); 1083 retval = NGBE_ERR_MBX; 1084 break; 1085 } 1086 1087 /* notify the VF of the results of what it sent us */ 1088 if (retval) 1089 msgbuf[0] |= NGBE_VT_MSGTYPE_NACK; 1090 else 1091 msgbuf[0] |= NGBE_VT_MSGTYPE_ACK; 1092 1093 msgbuf[0] |= NGBE_VT_MSGTYPE_CTS; 1094 1095 ngbe_write_mbx(hw, msgbuf, mbx_size, vf); 1096 1097 return retval; 1098 } 1099

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