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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 if (!cpr || !cpr->cp_ring_struct)
61 cons = RING_CMP(cpr->cp_ring_struct, raw_cons);
62 cmp = &cpr->cp_desc_ring[cons];
64 if (!CMP_VALID(cmp, raw_cons, cpr->cp_ring_struct))
67 switch (CMP_TYPE(cmp)) {
68 case CMPL_BASE_TYPE_HWRM_ASYNC_EVENT:
69 /* Handle any async event */
70 bnxt_handle_async_event(bp, cmp);
72 case CMPL_BASE_TYPE_HWRM_FWD_REQ:
73 /* Handle HWRM forwarded responses */
74 bnxt_handle_fwd_req(bp, cmp);
77 /* Ignore any other events */
78 if (cmp->type & rte_cpu_to_le_16(0x01)) {
79 if (!CMP_VALID(cmp, raw_cons,
84 "Ignoring %02x completion\n", CMP_TYPE(cmp));
87 raw_cons = NEXT_RAW_CMP(raw_cons);
91 cpr->cp_raw_cons = raw_cons;
92 B_CP_DB_REARM(cpr, cpr->cp_raw_cons);
95 void bnxt_free_int(struct bnxt *bp)
101 if (irq->requested) {
102 rte_intr_disable(&bp->pdev->intr_handle);
103 rte_intr_callback_unregister(&bp->pdev->intr_handle,
105 (void *)bp->eth_dev);
108 rte_free((void *)bp->irq_tbl);
113 void bnxt_disable_int(struct bnxt *bp)
115 struct bnxt_cp_ring_info *cpr = bp->def_cp_ring;
117 /* Only the default completion ring */
118 if (cpr != NULL && cpr->cp_doorbell != NULL)
122 void bnxt_enable_int(struct bnxt *bp)
124 struct bnxt_cp_ring_info *cpr = bp->def_cp_ring;
129 int bnxt_setup_int(struct bnxt *bp)
132 const int len = sizeof(bp->irq_tbl[0].name);
135 /* DPDK host only supports 1 MSI-X vector */
137 bp->irq_tbl = rte_calloc("bnxt_irq_tbl", total_vecs,
138 sizeof(struct bnxt_irq), 0);
140 for (i = 0; i < total_vecs; i++) {
141 bp->irq_tbl[i].vector = i;
142 snprintf(bp->irq_tbl[i].name, len,
143 "%s-%d", bp->eth_dev->device->name, i);
144 bp->irq_tbl[i].handler = bnxt_int_handler;
153 RTE_LOG(ERR, PMD, "bnxt_irq_tbl setup failed\n");
157 int bnxt_request_int(struct bnxt *bp)
161 struct bnxt_irq *irq = bp->irq_tbl;
163 rte_intr_callback_register(&bp->pdev->intr_handle, irq->handler,
164 (void *)bp->eth_dev);
165 rte_intr_enable(&bp->pdev->intr_handle);