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36 #include <rte_malloc.h>
41 #include "bnxt_ring.h"
42 #include "hsi_struct_def_dpdk.h"
48 static void bnxt_int_handler(void *param
)
50 struct rte_eth_dev
*eth_dev
= (struct rte_eth_dev
*)param
;
51 struct bnxt
*bp
= (struct bnxt
*)eth_dev
->data
->dev_private
;
52 struct bnxt_cp_ring_info
*cpr
= bp
->def_cp_ring
;
53 uint32_t raw_cons
= cpr
->cp_raw_cons
;
55 struct cmpl_base
*cmp
;
58 cons
= RING_CMP(cpr
->cp_ring_struct
, raw_cons
);
59 cmp
= &cpr
->cp_desc_ring
[cons
];
61 if (!CMP_VALID(cmp
, raw_cons
, cpr
->cp_ring_struct
))
64 switch (CMP_TYPE(cmp
)) {
65 case CMPL_BASE_TYPE_HWRM_ASYNC_EVENT
:
66 /* Handle any async event */
67 bnxt_handle_async_event(bp
, cmp
);
69 case CMPL_BASE_TYPE_HWRM_FWD_RESP
:
70 /* Handle HWRM forwarded responses */
71 bnxt_handle_fwd_req(bp
, cmp
);
74 /* Ignore any other events */
77 raw_cons
= NEXT_RAW_CMP(raw_cons
);
79 B_CP_DB_REARM(cpr
, cpr
->cp_raw_cons
);
82 void bnxt_free_int(struct bnxt
*bp
)
89 rte_intr_disable(&bp
->pdev
->intr_handle
);
90 rte_intr_callback_unregister(&bp
->pdev
->intr_handle
,
95 rte_free((void *)bp
->irq_tbl
);
100 void bnxt_disable_int(struct bnxt
*bp
)
102 struct bnxt_cp_ring_info
*cpr
= bp
->def_cp_ring
;
104 /* Only the default completion ring */
105 B_CP_DIS_DB(cpr
, cpr
->cp_raw_cons
);
108 void bnxt_enable_int(struct bnxt
*bp
)
110 struct bnxt_cp_ring_info
*cpr
= bp
->def_cp_ring
;
112 B_CP_DB_REARM(cpr
, cpr
->cp_raw_cons
);
115 int bnxt_setup_int(struct bnxt
*bp
)
118 const int len
= sizeof(bp
->irq_tbl
[0].name
);
121 /* DPDK host only supports 1 MSI-X vector */
123 bp
->irq_tbl
= rte_calloc("bnxt_irq_tbl", total_vecs
,
124 sizeof(struct bnxt_irq
), 0);
126 for (i
= 0; i
< total_vecs
; i
++) {
127 bp
->irq_tbl
[i
].vector
= i
;
128 snprintf(bp
->irq_tbl
[i
].name
, len
,
129 "%s-%d", bp
->eth_dev
->data
->name
, i
);
130 bp
->irq_tbl
[i
].handler
= bnxt_int_handler
;
139 RTE_LOG(ERR
, PMD
, "bnxt_irq_tbl setup failed");
143 int bnxt_request_int(struct bnxt
*bp
)
147 struct bnxt_irq
*irq
= bp
->irq_tbl
;
149 rte_intr_callback_register(&bp
->pdev
->intr_handle
, irq
->handler
,
150 (void *)bp
->eth_dev
);
151 rte_intr_enable(&bp
->pdev
->intr_handle
);