* Translate tag ID to register. * * @param[in] dev * Pointer to the Ethernet device structure. * @param[in] feature * The feature that request the register. * @param[in] id * The request register ID. * @param[out] error * Error description in case of any. * * @return * The request register on success, a negative errno * value otherwise and rte_errno is set. */
| 1323 | * value otherwise and rte_errno is set. |
| 1324 | */ |
| 1325 | int |
| 1326 | mlx5_flow_get_reg_id(struct rte_eth_dev *dev, |
| 1327 | enum mlx5_feature_name feature, |
| 1328 | uint32_t id, |
| 1329 | struct rte_flow_error *error) |
| 1330 | { |
| 1331 | struct mlx5_priv *priv = dev->data->dev_private; |
| 1332 | struct mlx5_sh_config *config = &priv->sh->config; |
| 1333 | struct mlx5_dev_registers *reg = &priv->sh->registers; |
| 1334 | enum modify_reg start_reg; |
| 1335 | bool skip_mtr_reg = false; |
| 1336 | |
| 1337 | switch (feature) { |
| 1338 | case MLX5_HAIRPIN_RX: |
| 1339 | return REG_B; |
| 1340 | case MLX5_HAIRPIN_TX: |
| 1341 | return REG_A; |
| 1342 | case MLX5_METADATA_RX: |
| 1343 | switch (config->dv_xmeta_en) { |
| 1344 | case MLX5_XMETA_MODE_LEGACY: |
| 1345 | return REG_B; |
| 1346 | case MLX5_XMETA_MODE_META16: |
| 1347 | return REG_C_0; |
| 1348 | case MLX5_XMETA_MODE_META32: |
| 1349 | return REG_C_1; |
| 1350 | case MLX5_XMETA_MODE_META32_HWS: |
| 1351 | return REG_C_1; |
| 1352 | } |
| 1353 | break; |
| 1354 | case MLX5_METADATA_TX: |
| 1355 | if (config->dv_flow_en == 2 && config->dv_xmeta_en == MLX5_XMETA_MODE_META32_HWS) { |
| 1356 | return REG_C_1; |
| 1357 | } else { |
| 1358 | return REG_A; |
| 1359 | } |
| 1360 | case MLX5_METADATA_FDB: |
| 1361 | switch (config->dv_xmeta_en) { |
| 1362 | case MLX5_XMETA_MODE_LEGACY: |
| 1363 | return REG_NON; |
| 1364 | case MLX5_XMETA_MODE_META16: |
| 1365 | return REG_C_0; |
| 1366 | case MLX5_XMETA_MODE_META32: |
| 1367 | return REG_C_1; |
| 1368 | case MLX5_XMETA_MODE_META32_HWS: |
| 1369 | return REG_C_1; |
| 1370 | } |
| 1371 | break; |
| 1372 | case MLX5_FLOW_MARK: |
| 1373 | switch (config->dv_xmeta_en) { |
| 1374 | case MLX5_XMETA_MODE_LEGACY: |
| 1375 | case MLX5_XMETA_MODE_META32_HWS: |
| 1376 | return REG_NON; |
| 1377 | case MLX5_XMETA_MODE_META16: |
| 1378 | return REG_C_1; |
| 1379 | case MLX5_XMETA_MODE_META32: |
| 1380 | return REG_C_0; |
| 1381 | } |
| 1382 | break; |
no test coverage detected