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/*-
* 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_
#include <stdbool.h>
#include <rte_io.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) \
rte_write32((DB_CP_REARM_FLAGS | \
RING_CMP(((cpr)->cp_ring_struct), raw_cons)), \
((cpr)->cp_doorbell))
#define B_CP_DB_ARM(cpr) rte_write32((DB_KEY_CP), ((cpr)->cp_doorbell))
#define B_CP_DB_DISARM(cpr) (*(uint32_t *)((cpr)->cp_doorbell) = \
DB_KEY_CP | DB_IRQ_DIS)
#define B_CP_DB_IDX_ARM(cpr, cons) \
(*(uint32_t *)((cpr)->cp_doorbell) = (DB_CP_REARM_FLAGS | \
(cons)))
#define B_CP_DB_IDX_DISARM(cpr, cons) do { \
rte_smp_wmb(); \
(*(uint32_t *)((cpr)->cp_doorbell) = (DB_CP_FLAGS | \
(cons)); \
} while (0)
#define B_CP_DIS_DB(cpr, raw_cons) \
rte_write32((DB_CP_FLAGS | \
RING_CMP(((cpr)->cp_ring_struct), raw_cons)), \
((cpr)->cp_doorbell))
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;
uint16_t cp_cons;
bool v;
};
#define RX_CMP_L2_ERRORS \
(RX_PKT_CMPL_ERRORS_BUFFER_ERROR_MASK | RX_PKT_CMPL_ERRORS_CRC_ERROR)
struct bnxt;
int bnxt_alloc_def_cp_ring(struct bnxt *bp);
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
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