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Commit fb1faab7 authored by Sudarsana Reddy Kalluru's avatar Sudarsana Reddy Kalluru Committed by David S. Miller
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qed: Consider TX tcs while deriving the max num_queues for PF. 



Max supported queues is derived incorrectly in the case of multi-CoS.
Need to consider TCs while calculating num_queues for PF.

Signed-off-by: default avatarSudarsana Reddy Kalluru <skalluru@marvell.com>
Signed-off-by: default avatarAriel Elior <aelior@marvell.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent ebd873a3

drivers/net/ethernet/qlogic/qed/qed_l2.c

+3 −2
Original line number Diff line number Diff line
@@ -2216,7 +2216,7 @@ static int qed_fill_eth_dev_info(struct qed_dev *cdev, 
			u16 num_queues = 0;



			/* Since the feature controls only queue-zones,

			 * make sure we have the contexts [rx, tx, xdp] to

			 * make sure we have the contexts [rx, xdp, tcs] to

			 * match.

			 */

			for_each_hwfn(cdev, i) {
@@ -2226,7 +2226,8 @@ static int qed_fill_eth_dev_info(struct qed_dev *cdev, 
				u16 cids;



				cids = hwfn->pf_params.eth_pf_params.num_cons;

				num_queues += min_t(u16, l2_queues, cids / 3);

				cids /= (2 + info->num_tc);

				num_queues += min_t(u16, l2_queues, cids);

			}



			/* queues might theoretically be >256, but interrupts'