iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

qed: Consider TX tcs while deriving the max num_queues for PF.

Browse Source 
[ Upstream commit fb1faab74ddef9ec2d841d54e5d0912a097b3abe ]

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: Sudarsana Reddy Kalluru <skalluru@marvell.com>
Signed-off-by: Ariel Elior <aelior@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Sudarsana Reddy Kalluru 2019-02-06 14:43:44 -08:00 committed by Greg Kroah-Hartman
parent 14b718fd0b
commit 6fbdc61620
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/net/ethernet/qlogic/qed/qed_l2.c
View File

@ -2170,7 +2170,7 @@ 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) {
@ -2180,7 +2180,8 @@ 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'