diff options
Diffstat (limited to 'drivers/net/bnxt/bnxt_cpr.h')
| -rw-r--r-- | drivers/net/bnxt/bnxt_cpr.h | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/drivers/net/bnxt/bnxt_cpr.h b/drivers/net/bnxt/bnxt_cpr.h new file mode 100644 index 00000000..c176f8c5 --- /dev/null +++ b/drivers/net/bnxt/bnxt_cpr.h @@ -0,0 +1,86 @@ +/*- + * BSD LICENSE + * + * Copyright(c) Broadcom Limited. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Broadcom Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _BNXT_CPR_H_ +#define _BNXT_CPR_H_ + +#define CMP_VALID(cmp, raw_cons, ring) \ + (!!(((struct cmpl_base *)(cmp))->info3_v & CMPL_BASE_V) == \ + !((raw_cons) & ((ring)->ring_size))) + +#define CMP_TYPE(cmp) \ + (((struct cmpl_base *)cmp)->type & CMPL_BASE_TYPE_MASK) + +#define ADV_RAW_CMP(idx, n) ((idx) + (n)) +#define NEXT_RAW_CMP(idx) ADV_RAW_CMP(idx, 1) +#define RING_CMP(ring, idx) ((idx) & (ring)->ring_mask) +#define NEXT_CMP(idx) RING_CMP(ADV_RAW_CMP(idx, 1)) + +#define DB_CP_REARM_FLAGS (DB_KEY_CP | DB_IDX_VALID) +#define DB_CP_FLAGS (DB_KEY_CP | DB_IDX_VALID | DB_IRQ_DIS) + +#define B_CP_DB_REARM(cpr, raw_cons) \ + (*(uint32_t *)((cpr)->cp_doorbell) = (DB_CP_REARM_FLAGS | \ + RING_CMP(cpr->cp_ring_struct, raw_cons))) + +#define B_CP_DIS_DB(cpr, raw_cons) \ + (*(uint32_t *)((cpr)->cp_doorbell) = (DB_CP_FLAGS | \ + RING_CMP(cpr->cp_ring_struct, raw_cons))) + +struct bnxt_ring; +struct bnxt_cp_ring_info { + uint32_t cp_raw_cons; + void *cp_doorbell; + + struct cmpl_base *cp_desc_ring; + + phys_addr_t cp_desc_mapping; + + struct ctx_hw_stats *hw_stats; + phys_addr_t hw_stats_map; + uint32_t hw_stats_ctx_id; + + struct bnxt_ring *cp_ring_struct; +}; + +#define RX_CMP_L2_ERRORS \ + (RX_PKT_CMPL_ERRORS_BUFFER_ERROR_MASK | RX_PKT_CMPL_ERRORS_CRC_ERROR) + + +struct bnxt; +void bnxt_free_def_cp_ring(struct bnxt *bp); +int bnxt_init_def_ring_struct(struct bnxt *bp, unsigned int socket_id); +void bnxt_handle_async_event(struct bnxt *bp, struct cmpl_base *cmp); +void bnxt_handle_fwd_req(struct bnxt *bp, struct cmpl_base *cmp); + +#endif |