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Commit 5d29896a authored by Ashish Shah's avatar Ashish Shah Committed by Jeff Kirsher
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i40e/i40evf: set headwb Tx context flags and use them 



Set appropriate fields in Tx queue configuration virtchnl message
to pf to enable headwb and setup headwb addr.
Then use that info from the VF to set headwb and headwb_addr instead of
always enabling them.

Change-ID: I7d393d1b2b07f0f3355b3a4f7c2d3c6ee3b0d622
Signed-off-by: default avatarAshish Shah <ashish.n.shah@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
parent 9f62ecf4

drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c

+2 −3
Original line number Diff line number Diff line
@@ -248,9 +248,8 @@ static int i40e_config_vsi_tx_queue(struct i40e_vf *vf, u16 vsi_idx, 
	tx_ctx.qlen = info->ring_len;

	tx_ctx.rdylist = le16_to_cpu(pf->vsi[vsi_idx]->info.qs_handle[0]);

	tx_ctx.rdylist_act = 0;

	tx_ctx.head_wb_ena = 1;

	tx_ctx.head_wb_addr = info->dma_ring_addr +

			      (info->ring_len * sizeof(struct i40e_tx_desc));

	tx_ctx.head_wb_ena = info->headwb_enabled;

	tx_ctx.head_wb_addr = info->dma_headwb_addr;



	/* clear the context in the HMC */

	ret = i40e_clear_lan_tx_queue_context(hw, pf_queue_id);

drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c

+3 −0
Original line number Diff line number Diff line
@@ -233,6 +233,9 @@ void i40evf_configure_queues(struct i40evf_adapter *adapter) 
		vqpi->txq.queue_id = i;

		vqpi->txq.ring_len = adapter->tx_rings[i]->count;

		vqpi->txq.dma_ring_addr = adapter->tx_rings[i]->dma;

		vqpi->txq.headwb_enabled = 1;

		vqpi->txq.dma_headwb_addr = vqpi->txq.dma_ring_addr +

		    (vqpi->txq.ring_len * sizeof(struct i40e_tx_desc));



		vqpi->rxq.vsi_id = vqci->vsi_id;

		vqpi->rxq.queue_id = i;