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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: Amritha Nambiar <amritha.nambiar@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
hifive-unleashed-5.1
Amritha Nambiar 2017-11-08 16:38:43 -08:00 committed by Jeff Kirsher
parent 34c164de58
commit e56afa5996
2 changed files with 0 additions and 9 deletions
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1
drivers/net/ethernet/intel/i40e/i40e.h
View File

@ -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

8
drivers/net/ethernet/intel/i40e/i40e_main.c
View File

@ -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,