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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(struct rte_intr_handle *handle __rte_unused,
51 struct rte_eth_dev *eth_dev = (struct rte_eth_dev *)param;
52 struct bnxt *bp = (struct bnxt *)eth_dev->data->dev_private;
53 struct bnxt_cp_ring_info *cpr = bp->def_cp_ring;
54 uint32_t raw_cons = cpr->cp_raw_cons;
56 struct cmpl_base *cmp;
59 cons = RING_CMP(cpr->cp_ring_struct, raw_cons);
60 cmp = &cpr->cp_desc_ring[cons];
62 if (!CMP_VALID(cmp, raw_cons, cpr->cp_ring_struct))
65 switch (CMP_TYPE(cmp)) {
66 case CMPL_BASE_TYPE_HWRM_ASYNC_EVENT:
67 /* Handle any async event */
68 bnxt_handle_async_event(bp, cmp);
70 case CMPL_BASE_TYPE_HWRM_FWD_RESP:
71 /* Handle HWRM forwarded responses */
72 bnxt_handle_fwd_req(bp, cmp);
75 /* Ignore any other events */
78 raw_cons = NEXT_RAW_CMP(raw_cons);
80 B_CP_DB_REARM(cpr, cpr->cp_raw_cons);
83 void bnxt_free_int(struct bnxt *bp)
90 rte_intr_disable(&bp->pdev->intr_handle);
91 rte_intr_callback_unregister(&bp->pdev->intr_handle,
96 rte_free((void *)bp->irq_tbl);
101 void bnxt_disable_int(struct bnxt *bp)
103 struct bnxt_cp_ring_info *cpr = bp->def_cp_ring;
105 /* Only the default completion ring */
106 B_CP_DIS_DB(cpr, cpr->cp_raw_cons);
109 void bnxt_enable_int(struct bnxt *bp)
111 struct bnxt_cp_ring_info *cpr = bp->def_cp_ring;
113 B_CP_DB_REARM(cpr, cpr->cp_raw_cons);
116 int bnxt_setup_int(struct bnxt *bp)
119 const int len = sizeof(bp->irq_tbl[0].name);
122 /* DPDK host only supports 1 MSI-X vector */
124 bp->irq_tbl = rte_calloc("bnxt_irq_tbl", total_vecs,
125 sizeof(struct bnxt_irq), 0);
127 for (i = 0; i < total_vecs; i++) {
128 bp->irq_tbl[i].vector = i;
129 snprintf(bp->irq_tbl[i].name, len,
130 "%s-%d", bp->eth_dev->data->name, i);
131 bp->irq_tbl[i].handler = bnxt_int_handler;
140 RTE_LOG(ERR, PMD, "bnxt_irq_tbl setup failed");
144 int bnxt_request_int(struct bnxt *bp)
148 struct bnxt_irq *irq = bp->irq_tbl;
150 rte_intr_callback_register(&bp->pdev->intr_handle, irq->handler,
151 (void *)bp->eth_dev);
152 rte_intr_enable(&bp->pdev->intr_handle);