struct i40e_vsi *vsi;
struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
+ struct i40e_adapter *ad =
+ I40E_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
struct i40e_rx_queue *rxq;
const struct rte_memzone *rz;
uint32_t ring_size;
use_def_burst_func = check_rx_burst_bulk_alloc_preconditions(rxq);
- if (!use_def_burst_func && !dev->data->scattered_rx) {
+ if (!use_def_burst_func) {
#ifdef RTE_LIBRTE_I40E_RX_ALLOW_BULK_ALLOC
PMD_INIT_LOG(DEBUG, "Rx Burst Bulk Alloc Preconditions are "
"satisfied. Rx Burst Bulk Alloc function will be "
"used on port=%d, queue=%d.",
rxq->port_id, rxq->queue_id);
- dev->rx_pkt_burst = i40e_recv_pkts_bulk_alloc;
#endif /* RTE_LIBRTE_I40E_RX_ALLOW_BULK_ALLOC */
} else {
PMD_INIT_LOG(DEBUG, "Rx Burst Bulk Alloc Preconditions are "
"or RTE_LIBRTE_I40E_RX_ALLOW_BULK_ALLOC is "
"not enabled on port=%d, queue=%d.",
rxq->port_id, rxq->queue_id);
+ ad->rx_bulk_alloc_allowed = false;
}
return 0;
dev->data->tx_queues[queue_idx] = txq;
/* Use a simple TX queue without offloads or multi segs if possible */
- if (((txq->txq_flags & I40E_SIMPLE_FLAGS) == I40E_SIMPLE_FLAGS) &&
- (txq->tx_rs_thresh >= I40E_TX_MAX_BURST)) {
- PMD_INIT_LOG(INFO, "Using simple tx path");
- dev->tx_pkt_burst = i40e_xmit_pkts_simple;
- } else {
- PMD_INIT_LOG(INFO, "Using full-featured tx path");
- dev->tx_pkt_burst = i40e_xmit_pkts;
- }
+ i40e_set_tx_function_flag(dev, txq);
return 0;
}
{
uint16_t i;
+ /* SSE Vector driver has a different way of releasing mbufs. */
+ if (rxq->rx_using_sse) {
+ i40e_rx_queue_release_mbufs_vec(rxq);
+ return;
+ }
+
if (!rxq || !rxq->sw_ring) {
PMD_DRV_LOG(DEBUG, "Pointer to rxq or sw_ring is NULL");
return;
int err = I40E_SUCCESS;
struct i40e_hw *hw = I40E_VSI_TO_HW(rxq->vsi);
struct rte_eth_dev_data *dev_data = I40E_VSI_TO_DEV_DATA(rxq->vsi);
- struct rte_eth_dev *dev = I40E_VSI_TO_ETH_DEV(rxq->vsi);
uint16_t pf_q = rxq->reg_idx;
uint16_t buf_size;
struct i40e_hmc_obj_rxq rx_ctx;
/* Check if scattered RX needs to be used. */
if ((rxq->max_pkt_len + 2 * I40E_VLAN_TAG_SIZE) > buf_size) {
dev_data->scattered_rx = 1;
- dev->rx_pkt_burst = i40e_recv_scattered_pkts;
}
/* Init the RX tail regieter. */
return I40E_SUCCESS;
}
+void __attribute__((cold))
+i40e_set_rx_function(struct rte_eth_dev *dev)
+{
+ struct i40e_adapter *ad =
+ I40E_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
+ uint16_t rx_using_sse, i;
+ /* In order to allow Vector Rx there are a few configuration
+ * conditions to be met and Rx Bulk Allocation should be allowed.
+ */
+ if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
+ if (i40e_rx_vec_dev_conf_condition_check(dev) ||
+ !ad->rx_bulk_alloc_allowed) {
+ PMD_INIT_LOG(DEBUG, "Port[%d] doesn't meet"
+ " Vector Rx preconditions",
+ dev->data->port_id);
+
+ ad->rx_vec_allowed = false;
+ }
+ if (ad->rx_vec_allowed) {
+ for (i = 0; i < dev->data->nb_rx_queues; i++) {
+ struct i40e_rx_queue *rxq =
+ dev->data->rx_queues[i];
+
+ if (i40e_rxq_vec_setup(rxq)) {
+ ad->rx_vec_allowed = false;
+ break;
+ }
+ }
+ }
+ }
+
+ if (dev->data->scattered_rx) {
+ /* Set the non-LRO scattered callback: there are Vector and
+ * single allocation versions.
+ */
+ if (ad->rx_vec_allowed) {
+ PMD_INIT_LOG(DEBUG, "Using Vector Scattered Rx "
+ "callback (port=%d).",
+ dev->data->port_id);
+
+ dev->rx_pkt_burst = i40e_recv_scattered_pkts_vec;
+ } else {
+ PMD_INIT_LOG(DEBUG, "Using a Scattered with bulk "
+ "allocation callback (port=%d).",
+ dev->data->port_id);
+ dev->rx_pkt_burst = i40e_recv_scattered_pkts;
+ }
+ /* If parameters allow we are going to choose between the following
+ * callbacks:
+ * - Vector
+ * - Bulk Allocation
+ * - Single buffer allocation (the simplest one)
+ */
+ } else if (ad->rx_vec_allowed) {
+ PMD_INIT_LOG(DEBUG, "Vector rx enabled, please make sure RX "
+ "burst size no less than %d (port=%d).",
+ RTE_I40E_DESCS_PER_LOOP,
+ dev->data->port_id);
+
+ dev->rx_pkt_burst = i40e_recv_pkts_vec;
+ } else if (ad->rx_bulk_alloc_allowed) {
+ PMD_INIT_LOG(DEBUG, "Rx Burst Bulk Alloc Preconditions are "
+ "satisfied. Rx Burst Bulk Alloc function "
+ "will be used on port=%d.",
+ dev->data->port_id);
+
+ dev->rx_pkt_burst = i40e_recv_pkts_bulk_alloc;
+ } else {
+ PMD_INIT_LOG(DEBUG, "Rx Burst Bulk Alloc Preconditions are not "
+ "satisfied, or Scattered Rx is requested "
+ "(port=%d).",
+ dev->data->port_id);
+
+ dev->rx_pkt_burst = i40e_recv_pkts;
+ }
+
+ /* Propagate information about RX function choice through all queues. */
+ if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
+ rx_using_sse =
+ (dev->rx_pkt_burst == i40e_recv_scattered_pkts_vec ||
+ dev->rx_pkt_burst == i40e_recv_pkts_vec);
+
+ for (i = 0; i < dev->data->nb_rx_queues; i++) {
+ struct i40e_rx_queue *rxq = dev->data->rx_queues[i];
+
+ rxq->rx_using_sse = rx_using_sse;
+ }
+ }
+}
+
+void __attribute__((cold))
+i40e_set_tx_function_flag(struct rte_eth_dev *dev, struct i40e_tx_queue *txq)
+{
+ struct i40e_adapter *ad =
+ I40E_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
+
+ /* Use a simple Tx queue (no offloads, no multi segs) if possible */
+ if (((txq->txq_flags & I40E_SIMPLE_FLAGS) == I40E_SIMPLE_FLAGS)
+ && (txq->tx_rs_thresh >= RTE_PMD_I40E_TX_MAX_BURST)) {
+ if (txq->tx_rs_thresh <= RTE_I40E_TX_MAX_FREE_BUF_SZ) {
+ PMD_INIT_LOG(DEBUG, "Vector tx"
+ " can be enabled on this txq.");
+
+ } else {
+ ad->tx_vec_allowed = false;
+ }
+ } else {
+ ad->tx_simple_allowed = false;
+ }
+}
+
+void __attribute__((cold))
+i40e_set_tx_function(struct rte_eth_dev *dev)
+{
+ struct i40e_adapter *ad =
+ I40E_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
+ int i;
+
+ if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
+ if (ad->tx_vec_allowed) {
+ for (i = 0; i < dev->data->nb_tx_queues; i++) {
+ struct i40e_tx_queue *txq =
+ dev->data->tx_queues[i];
+
+ if (i40e_txq_vec_setup(txq)) {
+ ad->tx_vec_allowed = false;
+ break;
+ }
+ }
+ }
+ }
+
+ if (ad->tx_simple_allowed) {
+ if (ad->tx_vec_allowed) {
+ PMD_INIT_LOG(DEBUG, "Vector tx finally be used.");
+ dev->tx_pkt_burst = i40e_xmit_pkts_vec;
+ } else {
+ PMD_INIT_LOG(DEBUG, "Simple tx finally be used.");
+ dev->tx_pkt_burst = i40e_xmit_pkts_simple;
+ }
+ } else {
+ PMD_INIT_LOG(DEBUG, "Xmit tx finally be used.");
+ dev->tx_pkt_burst = i40e_xmit_pkts;
+ }
+}
+
/* Stubs needed for linkage when CONFIG_RTE_I40E_INC_VECTOR is set to 'n' */
+int __attribute__((weak))
+i40e_rx_vec_dev_conf_condition_check(struct rte_eth_dev __rte_unused *dev)
+{
+ return -1;
+}
+
uint16_t __attribute__((weak))
i40e_recv_pkts_vec(
void __rte_unused *rx_queue,
return -1;
}
+int __attribute__((weak))
+i40e_txq_vec_setup(struct i40e_tx_queue __rte_unused *txq)
+{
+ return -1;
+}
+
void __attribute__((weak))
i40e_rx_queue_release_mbufs_vec(struct i40e_rx_queue __rte_unused*rxq)
{
{
return 0;
}
+
git.droids-corp.org / dpdk.git / blobdiff