Hi Guangbin, Thank you for the patch! Yet something to improve: [auto build test ERROR on net-next/master] url: https://github.com/0day-ci/linux/commits/Guangbin-Huang/ethtool-add-suppo... base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 62803fec52f80e4dd375de2dd76510c405792928 config: powerpc64-defconfig (attached as .config) compiler: powerpc64-linux-gcc (GCC) 11.2.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/0day-ci/linux/commit/da4c6abe75add01de642c7b12fd4268cd... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Guangbin-Huang/ethtool-add-support-to-set-get-tx-copybreak-buf-size-and-rx-buf-len/20211117-100258 git checkout da4c6abe75add01de642c7b12fd4268cd9c5f14e # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=powerpc SHELL=/bin/bash arch/powerpc/platforms/cell/ drivers/net/ethernet/toshiba/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): 114 | struct kernel_ethtool_ringparam *kernel_ering, | ^~~~~~ 168 | .get_ringparam = spider_net_ethtool_get_ringparam, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | spider_net_ethtool_get_msglevel vim +114 drivers/net/ethernet/toshiba/spider_net_ethtool.c 110 111 static void 112 spider_net_ethtool_get_ringparam(struct net_device *netdev, 113 struct ethtool_ringparam *ering 115 struct netlink_ext_ack *extack) 116 { 117 struct spider_net_card *card = netdev_priv(netdev); 118 119 ering->tx_max_pending = SPIDER_NET_TX_DESCRIPTORS_MAX; 120 ering->tx_pending = card->tx_chain.num_desc; 121 ering->rx_max_pending = SPIDER_NET_RX_DESCRIPTORS_MAX; 122 ering->rx_pending = card->rx_chain.num_desc; 123 } 124 125 static int spider_net_get_sset_count(struct net_device *netdev, int sset) 126 { 127 switch (sset) { 128 case ETH_SS_STATS: 129 return ARRAY_SIZE(ethtool_stats_keys); 130 default: 131 return -EOPNOTSUPP; 132 } 133 } 134 135 static void spider_net_get_ethtool_stats(struct net_device *netdev, 136 struct ethtool_stats *stats, u64 *data) 137 { 138 struct spider_net_card *card = netdev_priv(netdev); 139 140 data[0] = netdev->stats.tx_packets; 141 data[1] = netdev->stats.tx_bytes; 142 data[2] = netdev->stats.rx_packets; 143 data[3] = netdev->stats.rx_bytes; 144 data[4] = netdev->stats.tx_errors; 145 data[5] = netdev->stats.tx_dropped; 146 data[6] = netdev->stats.rx_dropped; 147 data[7] = card->spider_stats.rx_desc_error; 148 data[8] = card->spider_stats.tx_timeouts; 149 data[9] = card->spider_stats.alloc_rx_skb_error; 150 data[10] = card->spider_stats.rx_iommu_map_error; 151 data[11] = card->spider_stats.tx_iommu_map_error; 152 data[12] = card->spider_stats.rx_desc_unk_state; 153 } 154 155 static void spider_net_get_strings(struct net_device *netdev, u32 stringset, 156 u8 *data) 157 { 158 memcpy(data, ethtool_stats_keys, sizeof(ethtool_stats_keys)); 159 } 160 161 const struct ethtool_ops spider_net_ethtool_ops = { 162 .get_drvinfo = spider_net_ethtool_get_drvinfo, 163 .get_wol = spider_net_ethtool_get_wol, 164 .get_msglevel = spider_net_ethtool_get_msglevel, 165 .set_msglevel = spider_net_ethtool_set_msglevel, 166 .get_link = ethtool_op_get_link, 167 .nway_reset = spider_net_ethtool_nway_reset, --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org