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Commit e56afa59 authored by Amritha Nambiar's avatar Amritha Nambiar Committed by Jeff Kirsher
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i40e: Remove limit of 64 max queues per channel 



It is safe to remove the upper limit of 64 queues on a channel
VSI. The upper bound is determined by the VSI's num_queue_pairs
and gets validated when the queue mapping info through mqprio
interface is subject to bound checking in the driver.

Signed-off-by: default avatarAmritha Nambiar <amritha.nambiar@intel.com>
Tested-by: default avatarAndrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
parent 34c164de

drivers/net/ethernet/intel/i40e/i40e.h

+0 −1
Original line number Diff line number Diff line
@@ -90,7 +90,6 @@ 
#define I40E_AQ_LEN			256

#define I40E_AQ_WORK_LIMIT		66 /* max number of VFs + a little */

#define I40E_MAX_USER_PRIORITY		8

#define I40E_MAX_QUEUES_PER_CH		64

#define I40E_DEFAULT_TRAFFIC_CLASS	BIT(0)

#define I40E_DEFAULT_MSG_ENABLE		4

#define I40E_QUEUE_WAIT_RETRY_LIMIT	10

drivers/net/ethernet/intel/i40e/i40e_main.c

+0 −8
Original line number Diff line number Diff line
@@ -5629,14 +5629,6 @@ static int i40e_validate_num_queues(struct i40e_pf *pf, int num_queues, 
		return -EINVAL;



	*reconfig_rss = false;



	if (num_queues > I40E_MAX_QUEUES_PER_CH) {

		dev_err(&pf->pdev->dev,

			"Failed to create VMDq VSI. User requested num_queues (%d) > I40E_MAX_QUEUES_PER_VSI (%u)\n",

			num_queues, I40E_MAX_QUEUES_PER_CH);

		return -EINVAL;

	}



	if (vsi->current_rss_size) {

		if (num_queues > vsi->current_rss_size) {

			dev_dbg(&pf->pdev->dev,