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Message-ID: <202305260341.0cOu5huk-lkp@intel.com>
Date: Fri, 26 May 2023 03:29:33 +0800
From: kernel test robot <lkp@...el.com>
To: Lior Nahmanson <liorna@...dia.com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
Raed Salem <raeds@...dia.com>,
Saeed Mahameed <saeedm@...dia.com>
Subject: drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec_fs.c:1183:13:
sparse: sparse: restricted __be64 degrades to integer
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: eb03e318135419b8b781f83cdfa7dbb9252afad6
commit: 3b20949cb21bac26d50cdcc58896802a890cfe15 net/mlx5e: Add MACsec RX steering rules
date: 9 months ago
config: mips-randconfig-s033-20230525
compiler: mips64-linux-gcc (GCC) 12.1.0
reproduce:
mkdir -p ~/bin
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.4-39-gce1a6720-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3b20949cb21bac26d50cdcc58896802a890cfe15
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 3b20949cb21bac26d50cdcc58896802a890cfe15
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 ~/bin/make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=mips olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 ~/bin/make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=mips SHELL=/bin/bash drivers/net/ethernet/mellanox/mlx5/core/ drivers/soc/fsl/qe/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202305260341.0cOu5huk-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
>> drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec_fs.c:1183:13: sparse: sparse: restricted __be64 degrades to integer
vim +1183 drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec_fs.c
1105
1106 static union mlx5e_macsec_rule *
1107 macsec_fs_rx_add_rule(struct mlx5e_macsec_fs *macsec_fs,
1108 const struct macsec_context *macsec_ctx,
1109 struct mlx5_macsec_rule_attrs *attrs,
1110 u32 fs_id)
1111 {
1112 u8 action[MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto)] = {};
1113 struct mlx5e_macsec_rx *rx_fs = macsec_fs->rx_fs;
1114 struct net_device *netdev = macsec_fs->netdev;
1115 struct mlx5_modify_hdr *modify_hdr = NULL;
1116 struct mlx5_flow_destination dest = {};
1117 struct mlx5e_macsec_tables *rx_tables;
1118 union mlx5e_macsec_rule *macsec_rule;
1119 struct mlx5e_macsec_rx_rule *rx_rule;
1120 struct mlx5_flow_act flow_act = {};
1121 struct mlx5e_flow_table *ft_crypto;
1122 struct mlx5_flow_handle *rule;
1123 struct mlx5_flow_spec *spec;
1124 int err = 0;
1125
1126 spec = kvzalloc(sizeof(*spec), GFP_KERNEL);
1127 if (!spec)
1128 return NULL;
1129
1130 err = macsec_fs_rx_ft_get(macsec_fs);
1131 if (err)
1132 goto out_spec;
1133
1134 macsec_rule = kzalloc(sizeof(*macsec_rule), GFP_KERNEL);
1135 if (!macsec_rule) {
1136 macsec_fs_rx_ft_put(macsec_fs);
1137 goto out_spec;
1138 }
1139
1140 rx_rule = &macsec_rule->rx_rule;
1141 rx_tables = &rx_fs->tables;
1142 ft_crypto = &rx_tables->ft_crypto;
1143
1144 /* Set bit[31 - 30] macsec marker - 0x01 */
1145 /* Set bit[3-0] fs id */
1146 MLX5_SET(set_action_in, action, action_type, MLX5_ACTION_TYPE_SET);
1147 MLX5_SET(set_action_in, action, field, MLX5_ACTION_IN_FIELD_METADATA_REG_B);
1148 MLX5_SET(set_action_in, action, data, fs_id | BIT(30));
1149 MLX5_SET(set_action_in, action, offset, 0);
1150 MLX5_SET(set_action_in, action, length, 32);
1151
1152 modify_hdr = mlx5_modify_header_alloc(macsec_fs->mdev, MLX5_FLOW_NAMESPACE_KERNEL_RX_MACSEC,
1153 1, action);
1154 if (IS_ERR(modify_hdr)) {
1155 err = PTR_ERR(modify_hdr);
1156 netdev_err(netdev, "fail to alloc MACsec set modify_header_id err=%d\n", err);
1157 modify_hdr = NULL;
1158 goto err;
1159 }
1160 rx_rule->meta_modhdr = modify_hdr;
1161
1162 /* Rx crypto table with SCI rule */
1163 macsec_fs_rx_setup_fte(spec, &flow_act, attrs, true);
1164
1165 flow_act.modify_hdr = modify_hdr;
1166 flow_act.action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST |
1167 MLX5_FLOW_CONTEXT_ACTION_CRYPTO_DECRYPT |
1168 MLX5_FLOW_CONTEXT_ACTION_MOD_HDR;
1169
1170 dest.type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
1171 dest.ft = rx_tables->ft_check;
1172 rule = mlx5_add_flow_rules(ft_crypto->t, spec, &flow_act, &dest, 1);
1173 if (IS_ERR(rule)) {
1174 err = PTR_ERR(rule);
1175 netdev_err(netdev,
1176 "Failed to add SA with SCI rule to Rx crypto rule, err=%d\n",
1177 err);
1178 goto err;
1179 }
1180 rx_rule->rule[0] = rule;
1181
1182 /* Rx crypto table without SCI rule */
> 1183 if (cpu_to_be64((__force u64)attrs->sci) & ntohs(MACSEC_PORT_ES)) {
1184 memset(spec, 0, sizeof(struct mlx5_flow_spec));
1185 memset(&dest, 0, sizeof(struct mlx5_flow_destination));
1186 memset(&flow_act, 0, sizeof(flow_act));
1187
1188 macsec_fs_rx_setup_fte(spec, &flow_act, attrs, false);
1189
1190 flow_act.modify_hdr = modify_hdr;
1191 flow_act.action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST |
1192 MLX5_FLOW_CONTEXT_ACTION_CRYPTO_DECRYPT |
1193 MLX5_FLOW_CONTEXT_ACTION_MOD_HDR;
1194
1195 dest.type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
1196 dest.ft = rx_tables->ft_check;
1197 rule = mlx5_add_flow_rules(ft_crypto->t, spec, &flow_act, &dest, 1);
1198 if (IS_ERR(rule)) {
1199 err = PTR_ERR(rule);
1200 netdev_err(netdev,
1201 "Failed to add SA without SCI rule to Rx crypto rule, err=%d\n",
1202 err);
1203 goto err;
1204 }
1205 rx_rule->rule[1] = rule;
1206 }
1207
1208 return macsec_rule;
1209
1210 err:
1211 macsec_fs_rx_del_rule(macsec_fs, rx_rule);
1212 macsec_rule = NULL;
1213 out_spec:
1214 kvfree(spec);
1215 return macsec_rule;
1216 }
1217
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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