Commit 5c208e9f authored by Coiby Xu's avatar Coiby Xu Committed by Tony Nguyen
Browse files

i40e: use minimal admin queue for kdump 



The minimum size of admin send/receive queue is 1 and 2 respectively.
The admin send queue can't be set to 1 because in that case, the
firmware would fail to init.

Signed-off-by: default avatarCoiby Xu <coxu@redhat.com>
Tested-by: default avatarDave Switzer <david.switzer@intel.com>
Signed-off-by: default avatarTony Nguyen <anthony.l.nguyen@intel.com>
parent dcb75338

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

+2 −0
Original line number Diff line number Diff line
@@ -66,6 +66,8 @@ 
#define I40E_FDIR_RING_COUNT		32

#define I40E_MAX_AQ_BUF_SIZE		4096

#define I40E_AQ_LEN			256

#define I40E_MIN_ARQ_LEN		1

#define I40E_MIN_ASQ_LEN		2

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

#define I40E_MAX_USER_PRIORITY		8

#define I40E_DEFAULT_TRAFFIC_CLASS	BIT(0)

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

+7 −2
Original line number Diff line number Diff line
@@ -15348,8 +15348,13 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 


	i40e_check_recovery_mode(pf);



	if (is_kdump_kernel()) {

		hw->aq.num_arq_entries = I40E_MIN_ARQ_LEN;

		hw->aq.num_asq_entries = I40E_MIN_ASQ_LEN;

	} else {

		hw->aq.num_arq_entries = I40E_AQ_LEN;

		hw->aq.num_asq_entries = I40E_AQ_LEN;

	}

	hw->aq.arq_buf_size = I40E_MAX_AQ_BUF_SIZE;

	hw->aq.asq_buf_size = I40E_MAX_AQ_BUF_SIZE;

	pf->adminq_work_limit = I40E_AQ_WORK_LIMIT;