int
sfc_ev_attach(struct sfc_adapter *sa)
{
int rc;
sfc_log_init(sa, "entry");
sa->evq_flags = EFX_EVQ_FLAGS_TYPE_THROUGHPUT;
rc = sfc_kvargs_process(sa, SFC_KVARG_PERF_PROFILE,
sfc_kvarg_perf_profile_handler,
&sa->evq_flags);
if (rc != 0) {
sfc_err(sa, "invalid %s parameter value",
SFC_KVARG_PERF_PROFILE);
goto fail_kvarg_perf_profile;
}
sa->mgmt_evq_index = 0;
rte_spinlock_init(&sa->mgmt_evq_lock);
rc = sfc_ev_qinit(sa, SFC_EVQ_TYPE_MGMT, 0, SFC_MGMT_EVQ_ENTRIES,
sa->socket_id, &sa->mgmt_evq);
if (rc != 0)
goto fail_mgmt_evq_init;
/*
* Rx/Tx event queues are created/destroyed when corresponding
* Rx/Tx queue is created/destroyed.
*/
return 0;
fail_mgmt_evq_init:
fail_kvarg_perf_profile:
sfc_log_init(sa, "failed %d", rc);
return rc;
}
int
sfc_tx_qinit(struct sfc_adapter *sa, unsigned int sw_index,
uint16_t nb_tx_desc, unsigned int socket_id,
const struct rte_eth_txconf *tx_conf)
{
const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
struct sfc_txq_info *txq_info;
struct sfc_evq *evq;
struct sfc_txq *txq;
int rc = 0;
struct sfc_dp_tx_qcreate_info info;
sfc_log_init(sa, "TxQ = %u", sw_index);
rc = sfc_tx_qcheck_conf(sa, nb_tx_desc, tx_conf);
if (rc != 0)
goto fail_bad_conf;
SFC_ASSERT(sw_index < sa->txq_count);
txq_info = &sa->txq_info[sw_index];
SFC_ASSERT(nb_tx_desc <= sa->txq_max_entries);
txq_info->entries = nb_tx_desc;
rc = sfc_ev_qinit(sa, SFC_EVQ_TYPE_TX, sw_index,
txq_info->entries, socket_id, &evq);
if (rc != 0)
goto fail_ev_qinit;
rc = ENOMEM;
txq = rte_zmalloc_socket("sfc-txq", sizeof(*txq), 0, socket_id);
if (txq == NULL)
goto fail_txq_alloc;
txq_info->txq = txq;
txq->hw_index = sw_index;
txq->evq = evq;
txq->free_thresh =
(tx_conf->tx_free_thresh) ? tx_conf->tx_free_thresh :
SFC_TX_DEFAULT_FREE_THRESH;
txq->flags = tx_conf->txq_flags;
rc = sfc_dma_alloc(sa, "txq", sw_index, EFX_TXQ_SIZE(txq_info->entries),
socket_id, &txq->mem);
if (rc != 0)
goto fail_dma_alloc;
memset(&info, 0, sizeof(info));
info.free_thresh = txq->free_thresh;
info.flags = tx_conf->txq_flags;
info.txq_entries = txq_info->entries;
info.dma_desc_size_max = encp->enc_tx_dma_desc_size_max;
info.txq_hw_ring = txq->mem.esm_base;
info.evq_entries = txq_info->entries;
info.evq_hw_ring = evq->mem.esm_base;
info.hw_index = txq->hw_index;
info.mem_bar = sa->mem_bar.esb_base;
rc = sa->dp_tx->qcreate(sa->eth_dev->data->port_id, sw_index,
&SFC_DEV_TO_PCI(sa->eth_dev)->addr,
socket_id, &info, &txq->dp);
if (rc != 0)
goto fail_dp_tx_qinit;
evq->dp_txq = txq->dp;
txq->state = SFC_TXQ_INITIALIZED;
txq_info->deferred_start = (tx_conf->tx_deferred_start != 0);
return 0;
fail_dp_tx_qinit:
sfc_dma_free(sa, &txq->mem);
fail_dma_alloc:
txq_info->txq = NULL;
rte_free(txq);
fail_txq_alloc:
sfc_ev_qfini(evq);
fail_ev_qinit:
txq_info->entries = 0;
fail_bad_conf:
sfc_log_init(sa, "failed (TxQ = %u, rc = %d)", sw_index, rc);
return rc;
}
