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authorSudarsana Reddy Kalluru <skalluru@marvell.com>2019-02-06 14:43:44 -0800
committerDavid S. Miller <davem@davemloft.net>2019-02-06 16:53:33 -0800
commitfb1faab74ddef9ec2d841d54e5d0912a097b3abe (patch)
tree0b6f6e89dce3b4650faea39acd8efc522661ae09 /drivers
parentqed: Assign UFP TC value to vlan priority in UFP mode. (diff)
downloadlinux-dev-fb1faab74ddef9ec2d841d54e5d0912a097b3abe.tar.xz
linux-dev-fb1faab74ddef9ec2d841d54e5d0912a097b3abe.zip
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: Sudarsana Reddy Kalluru <skalluru@marvell.com> Signed-off-by: Ariel Elior <aelior@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/qlogic/qed/qed_l2.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/net/ethernet/qlogic/qed/qed_l2.c b/drivers/net/ethernet/qlogic/qed/qed_l2.c
index e68ca83ae915..64ac95ca4df2 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_l2.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_l2.c
@@ -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'