static int
sfc_efx_tx_qstart(struct sfc_dp_txq *dp_txq,
__rte_unused unsigned int evq_read_ptr,
unsigned int txq_desc_index)
{
/* libefx-based datapath is specific to libefx-based PMD */
struct sfc_efx_txq *txq = sfc_efx_txq_by_dp_txq(dp_txq);
struct sfc_txq *ctrl_txq = sfc_txq_by_dp_txq(dp_txq);
txq->common = ctrl_txq->common;
txq->pending = txq->completed = txq->added = txq_desc_index;
txq->hw_vlan_tci = 0;
txq->flags |= (SFC_EFX_TXQ_FLAG_STARTED | SFC_EFX_TXQ_FLAG_RUNNING);
return 0;
}
static boolean_t
sfc_ev_txq_flush_done(void *arg, __rte_unused uint32_t txq_hw_index)
{
struct sfc_evq *evq = arg;
struct sfc_dp_txq *dp_txq;
struct sfc_txq *txq;
dp_txq = evq->dp_txq;
SFC_ASSERT(dp_txq != NULL);
txq = sfc_txq_by_dp_txq(dp_txq);
SFC_ASSERT(txq != NULL);
SFC_ASSERT(txq->hw_index == txq_hw_index);
SFC_ASSERT(txq->evq == evq);
sfc_tx_qflush_done(txq);
return B_FALSE;
}
static int
sfc_efx_tx_qcreate(uint16_t port_id, uint16_t queue_id,
const struct rte_pci_addr *pci_addr,
int socket_id,
const struct sfc_dp_tx_qcreate_info *info,
struct sfc_dp_txq **dp_txqp)
{
struct sfc_efx_txq *txq;
struct sfc_txq *ctrl_txq;
int rc;
rc = ENOMEM;
txq = rte_zmalloc_socket("sfc-efx-txq", sizeof(*txq),
RTE_CACHE_LINE_SIZE, socket_id);
if (txq == NULL)
goto fail_txq_alloc;
sfc_dp_queue_init(&txq->dp.dpq, port_id, queue_id, pci_addr);
rc = ENOMEM;
txq->pend_desc = rte_calloc_socket("sfc-efx-txq-pend-desc",
EFX_TXQ_LIMIT(info->txq_entries),
sizeof(*txq->pend_desc), 0,
socket_id);
if (txq->pend_desc == NULL)
goto fail_pend_desc_alloc;
rc = ENOMEM;
txq->sw_ring = rte_calloc_socket("sfc-efx-txq-sw_ring",
info->txq_entries,
sizeof(*txq->sw_ring),
RTE_CACHE_LINE_SIZE, socket_id);
if (txq->sw_ring == NULL)
goto fail_sw_ring_alloc;
ctrl_txq = sfc_txq_by_dp_txq(&txq->dp);
if (ctrl_txq->evq->sa->tso) {
rc = sfc_efx_tso_alloc_tsoh_objs(txq->sw_ring,
info->txq_entries, socket_id);
if (rc != 0)
goto fail_alloc_tsoh_objs;
}
txq->evq = ctrl_txq->evq;
txq->ptr_mask = info->txq_entries - 1;
txq->free_thresh = info->free_thresh;
txq->dma_desc_size_max = info->dma_desc_size_max;
*dp_txqp = &txq->dp;
return 0;
fail_alloc_tsoh_objs:
rte_free(txq->sw_ring);
fail_sw_ring_alloc:
rte_free(txq->pend_desc);
fail_pend_desc_alloc:
rte_free(txq);
fail_txq_alloc:
return rc;
}
