| 348 | } |
| 349 | |
| 350 | static void bnxt_set_db(struct bnxt *bp, |
| 351 | struct bnxt_db_info *db, |
| 352 | uint32_t ring_type, |
| 353 | uint32_t map_idx, |
| 354 | uint32_t fid, |
| 355 | uint32_t ring_mask) |
| 356 | { |
| 357 | if (BNXT_CHIP_P5(bp)) { |
| 358 | int db_offset = DB_PF_OFFSET; |
| 359 | switch (ring_type) { |
| 360 | case HWRM_RING_ALLOC_INPUT_RING_TYPE_TX: |
| 361 | db->db_key64 = DBR_PATH_L2 | DBR_TYPE_SQ; |
| 362 | break; |
| 363 | case HWRM_RING_ALLOC_INPUT_RING_TYPE_RX: |
| 364 | case HWRM_RING_ALLOC_INPUT_RING_TYPE_RX_AGG: |
| 365 | db->db_key64 = DBR_PATH_L2 | DBR_TYPE_SRQ; |
| 366 | break; |
| 367 | case HWRM_RING_ALLOC_INPUT_RING_TYPE_L2_CMPL: |
| 368 | db->db_key64 = DBR_PATH_L2 | DBR_TYPE_CQ; |
| 369 | break; |
| 370 | case HWRM_RING_ALLOC_INPUT_RING_TYPE_NQ: |
| 371 | db->db_key64 = DBR_PATH_L2; |
| 372 | break; |
| 373 | } |
| 374 | if (BNXT_CHIP_SR2(bp)) { |
| 375 | db->db_key64 |= DBR_VALID; |
| 376 | db_offset = bp->legacy_db_size; |
| 377 | } else if (BNXT_VF(bp)) { |
| 378 | db_offset = DB_VF_OFFSET; |
| 379 | } |
| 380 | |
| 381 | db->doorbell = (char *)bp->doorbell_base + db_offset; |
| 382 | db->db_key64 |= (uint64_t)fid << DBR_XID_SFT; |
| 383 | db->db_64 = true; |
| 384 | } else { |
| 385 | db->doorbell = (char *)bp->doorbell_base + map_idx * 0x80; |
| 386 | switch (ring_type) { |
| 387 | case HWRM_RING_ALLOC_INPUT_RING_TYPE_TX: |
| 388 | db->db_key32 = DB_KEY_TX; |
| 389 | break; |
| 390 | case HWRM_RING_ALLOC_INPUT_RING_TYPE_RX: |
| 391 | db->db_key32 = DB_KEY_RX; |
| 392 | break; |
| 393 | case HWRM_RING_ALLOC_INPUT_RING_TYPE_L2_CMPL: |
| 394 | db->db_key32 = DB_KEY_CP; |
| 395 | break; |
| 396 | } |
| 397 | db->db_64 = false; |
| 398 | } |
| 399 | db->db_ring_mask = ring_mask; |
| 400 | |
| 401 | if (BNXT_CHIP_SR2(bp)) { |
| 402 | db->db_epoch_mask = db->db_ring_mask + 1; |
| 403 | db->db_epoch_shift = DBR_EPOCH_SFT - |
| 404 | rte_log2_u32(db->db_epoch_mask); |
| 405 | } |
| 406 | } |
| 407 |
no test coverage detected