From: Amritha Nambiar amritha.nambiar@intel.com
[ Upstream commit bbf0bdd41fbf71a008325bdcf0df63ab088bf532 ]
Fix recreating the channel VSIs during the reset flow to reconfigure the Tx rings and the queue context associated with the channel VSI. Also update the next_base_queue for the VSI while rebuilding the channel VSIs after a reset.
Signed-off-by: Amritha Nambiar amritha.nambiar@intel.com Tested-by: Andrew Bowers andrewx.bowers@intel.com Signed-off-by: Jeff Kirsher jeffrey.t.kirsher@intel.com Signed-off-by: Sasha Levin alexander.levin@microsoft.com --- drivers/net/ethernet/intel/i40e/i40e_main.c | 11 +++++++++++ 1 file changed, 11 insertions(+)
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index af792112a2d3..973bad818e81 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -9077,6 +9077,17 @@ static int i40e_rebuild_channels(struct i40e_vsi *vsi) vsi->uplink_seid); return ret; } + /* Reconfigure TX queues using QTX_CTL register */ + ret = i40e_channel_config_tx_ring(vsi->back, vsi, ch); + if (ret) { + dev_info(&vsi->back->pdev->dev, + "failed to configure TX rings for channel %u\n", + ch->seid); + return ret; + } + /* update 'next_base_queue' */ + vsi->next_base_queue = vsi->next_base_queue + + ch->num_queue_pairs; if (ch->max_tx_rate) { u64 credits = ch->max_tx_rate;