Hi Kejian, [auto build test ERROR on net-next/master]
url: https://github.com/0day-ci/linux/commits/Kejian-Yan/net-hns-get-and-set-RSS-indirection-table-by-using-ethtool/20160310-210648 config: xtensa-allyesconfig (attached as .config) reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=xtensa All errors (new ones prefixed by >>): drivers/net/ethernet/hisilicon/hns/hns_ethtool.c: In function 'hns_get_rss': drivers/net/ethernet/hisilicon/hns/hns_ethtool.c:1214:6: warning: unused variable 'ret' [-Wunused-variable] int ret; ^ drivers/net/ethernet/hisilicon/hns/hns_ethtool.c: In function 'hns_set_rss': drivers/net/ethernet/hisilicon/hns/hns_ethtool.c:1236:6: warning: unused variable 'ret' [-Wunused-variable] int ret; ^ drivers/net/ethernet/hisilicon/hns/hns_ethtool.c: In function 'hns_get_rxnfc': >> drivers/net/ethernet/hisilicon/hns/hns_ethtool.c:1267:11: error: 'ERRNO' >> undeclared (first use in this function) return -ERRNO; ^ drivers/net/ethernet/hisilicon/hns/hns_ethtool.c:1267:11: note: each undeclared identifier is reported only once for each function it appears in vim +/ERRNO +1267 drivers/net/ethernet/hisilicon/hns/hns_ethtool.c 1208 1209 static int 1210 hns_get_rss(struct net_device *netdev, u32 *indir, u8 *key, u8 *hfunc) 1211 { 1212 struct hns_nic_priv *priv = netdev_priv(netdev); 1213 struct hnae_ae_ops *ops; > 1214 int ret; 1215 1216 if (AE_IS_VER1(priv->enet_ver)) { 1217 netdev_err(netdev, 1218 "RSS feature is not supported on this hardware\n"); 1219 return -EOPNOTSUPP; 1220 } 1221 1222 ops = priv->ae_handle->dev->ops; 1223 1224 if (!indir) 1225 return 0; 1226 1227 return ops->get_rss(priv->ae_handle, indir, key, hfunc); 1228 } 1229 1230 static int 1231 hns_set_rss(struct net_device *netdev, const u32 *indir, const u8 *key, 1232 const u8 hfunc) 1233 { 1234 struct hns_nic_priv *priv = netdev_priv(netdev); 1235 struct hnae_ae_ops *ops; 1236 int ret; 1237 1238 if (AE_IS_VER1(priv->enet_ver)) { 1239 netdev_err(netdev, 1240 "RSS feature is not supported on this hardware\n"); 1241 return -EOPNOTSUPP; 1242 } 1243 1244 ops = priv->ae_handle->dev->ops; 1245 1246 /* currently hfunc can only be Toeplitz hash */ 1247 if (key || 1248 (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)) 1249 return -EOPNOTSUPP; 1250 if (!indir) 1251 return 0; 1252 1253 return ops->set_rss(priv->ae_handle, indir, key, hfunc); 1254 } 1255 1256 static int hns_get_rxnfc(struct net_device *netdev, 1257 struct ethtool_rxnfc *cmd, 1258 u32 *rule_locs) 1259 { 1260 struct hns_nic_priv *priv = netdev_priv(netdev); 1261 1262 switch (cmd->cmd) { 1263 case ETHTOOL_GRXRINGS: 1264 cmd->data = priv->ae_handle->q_num; 1265 break; 1266 default: > 1267 return -ERRNO; 1268 } 1269 1270 return 0; --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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