diff options
Diffstat (limited to 'src/dpdk/drivers/net/i40e/i40e_rxtx.c')
| -rw-r--r-- | src/dpdk/drivers/net/i40e/i40e_rxtx.c | 51 |
1 files changed, 21 insertions, 30 deletions
diff --git a/src/dpdk/drivers/net/i40e/i40e_rxtx.c b/src/dpdk/drivers/net/i40e/i40e_rxtx.c index 84c7b2dc..0c191068 100644 --- a/src/dpdk/drivers/net/i40e/i40e_rxtx.c +++ b/src/dpdk/drivers/net/i40e/i40e_rxtx.c @@ -1933,31 +1933,6 @@ i40e_xmit_pkts_simple(void *tx_queue, // TREX_PATCH // Based on i40e_pf_get_vsi_by_qindex. Return low latency VSI one queue. #define LOW_LATENCY_WORKAROUND -#ifdef LOW_LATENCY_WORKAROUND -static struct i40e_vsi* -i40e_pf_tx_get_vsi_by_qindex(struct i40e_pf *pf, uint16_t queue_idx) -{ - // For last queue index, return low latency VSI - if (queue_idx == pf->dev_data->nb_tx_queues-1) { - return pf->ll_vsi; - } - - /* the queue in MAIN VSI range */ - if (queue_idx < pf->dev_data->nb_tx_queues) - return pf->main_vsi; - - - queue_idx -= pf->main_vsi->nb_qps; - - /* queue_idx is greater than VMDQ VSIs range */ - if (queue_idx > pf->nb_cfg_vmdq_vsi * pf->vmdq_nb_qps - 1) { - PMD_INIT_LOG(ERR, "queue_idx out of range. VMDQ configured?"); - return NULL; - } - - return pf->vmdq[queue_idx / pf->vmdq_nb_qps].vsi; -} -#endif /* * Find the VSI the queue belongs to. 'queue_idx' is the queue index @@ -2301,6 +2276,11 @@ i40e_dev_rx_queue_setup(struct rte_eth_dev *dev, ad->rx_bulk_alloc_allowed = false; } + #ifdef LOW_LATENCY_WORKAROUND + rxq->dcb_tc =0; + + #else + for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { if (!(vsi->enabled_tc & (1 << i))) continue; @@ -2313,6 +2293,7 @@ i40e_dev_rx_queue_setup(struct rte_eth_dev *dev, if (queue_idx >= base && queue_idx < (base + BIT(bsf))) rxq->dcb_tc = i; } + #endif return 0; } @@ -2407,19 +2388,22 @@ i40e_dev_tx_queue_setup(struct rte_eth_dev *dev, uint32_t ring_size; uint16_t tx_rs_thresh, tx_free_thresh; uint16_t i, base, bsf, tc_mapping; + u8 low_latency=0; if (hw->mac.type == I40E_MAC_VF || hw->mac.type == I40E_MAC_X722_VF) { struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private); vsi = &vf->vsi; } else { -#ifdef LOW_LATENCY_WORKAROUND - vsi = i40e_pf_tx_get_vsi_by_qindex(pf, queue_idx); -#else vsi = i40e_pf_get_vsi_by_qindex(pf, queue_idx); -#endif } +#ifdef LOW_LATENCY_WORKAROUND + if (queue_idx == pf->dev_data->nb_tx_queues-1) { + low_latency= 1; + } +#endif + if (vsi == NULL) { PMD_DRV_LOG(ERR, "VSI is NULL, or queue index (%u) " "exceeds the maximum", queue_idx); @@ -2574,6 +2558,13 @@ i40e_dev_tx_queue_setup(struct rte_eth_dev *dev, /* Use a simple TX queue without offloads or multi segs if possible */ i40e_set_tx_function_flag(dev, txq); +#ifdef LOW_LATENCY_WORKAROUND + if (low_latency) { + txq->dcb_tc=1; + }else{ + txq->dcb_tc=0; + } +#else for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { if (!(vsi->enabled_tc & (1 << i))) continue; @@ -2586,7 +2577,7 @@ i40e_dev_tx_queue_setup(struct rte_eth_dev *dev, if (queue_idx >= base && queue_idx < (base + BIT(bsf))) txq->dcb_tc = i; } - +#endif return 0; } |