diff options
| author |   Ido Barnea <ibarnea@cisco.com> | 2016-08-08 13:18:36 +0300 |
|---|---|---|
| committer | Ido Barnea <ibarnea@cisco.com> | 2016-08-08 13:18:36 +0300 |
| commit | 2d51b632b8b22b6e5be9ed1cbc110bfd4308c2e6 (patch) | |
| tree | 8205d26940b42d0a19c87be5598b43bf059c56df /src/dpdk/drivers/net/i40e/i40e_rxtx.c | |
| parent | dc56569b146966c17433fef70d4eb5456871dcc6 (diff) | |
Changing DPDK latency patch, so we can easily merge it for next DPDK version
Diffstat (limited to 'src/dpdk/drivers/net/i40e/i40e_rxtx.c')
| -rw-r--r-- | src/dpdk/drivers/net/i40e/i40e_rxtx.c | 20 |
1 files changed, 8 insertions, 12 deletions
diff --git a/src/dpdk/drivers/net/i40e/i40e_rxtx.c b/src/dpdk/drivers/net/i40e/i40e_rxtx.c index 0c191068..8fdf30c6 100644 --- a/src/dpdk/drivers/net/i40e/i40e_rxtx.c +++ b/src/dpdk/drivers/net/i40e/i40e_rxtx.c @@ -1930,10 +1930,6 @@ i40e_xmit_pkts_simple(void *tx_queue, return nb_tx; } -// TREX_PATCH -// Based on i40e_pf_get_vsi_by_qindex. Return low latency VSI one queue. -#define LOW_LATENCY_WORKAROUND - /* * Find the VSI the queue belongs to. 'queue_idx' is the queue index * application used, which assume having sequential ones. But from driver's @@ -2276,10 +2272,10 @@ i40e_dev_rx_queue_setup(struct rte_eth_dev *dev, ad->rx_bulk_alloc_allowed = false; } - #ifdef LOW_LATENCY_WORKAROUND +#define TREX_PATCH_LOW_LATENCY +#ifdef TREX_PATCH_LOW_LATENCY rxq->dcb_tc =0; - - #else +#else for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { if (!(vsi->enabled_tc & (1 << i))) @@ -2293,7 +2289,7 @@ i40e_dev_rx_queue_setup(struct rte_eth_dev *dev, if (queue_idx >= base && queue_idx < (base + BIT(bsf))) rxq->dcb_tc = i; } - #endif +#endif return 0; } @@ -2388,7 +2384,6 @@ 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 = @@ -2398,9 +2393,10 @@ i40e_dev_tx_queue_setup(struct rte_eth_dev *dev, vsi = i40e_pf_get_vsi_by_qindex(pf, queue_idx); } -#ifdef LOW_LATENCY_WORKAROUND +#ifdef TREX_PATCH_LOW_LATENCY + u8 low_latency = 0; if (queue_idx == pf->dev_data->nb_tx_queues-1) { - low_latency= 1; + low_latency = 1; } #endif @@ -2558,7 +2554,7 @@ 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 +#ifdef TREX_PATCH_LOW_LATENCY if (low_latency) { txq->dcb_tc=1; }else{ |