The hardware specification specifies that WQE_COUNT should set to 0 for
the Receive Queue. Although currently the hardware doesn't enforce the
check, in the future releases it may check on this value.
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
Reviewed-by: Dexuan Cui <decui@microsoft.com>
Signed-off-by: Long Li <longli@microsoft.com>
Link: https://lore.kernel.org/r/1689622539-5334-3-git-send-email-longli@linuxonhyperv.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
void mana_gd_wq_ring_doorbell(struct gdma_context *gc, struct gdma_queue *queue)
{
+ /* Hardware Spec specifies that software client should set 0 for
+ * wqe_cnt for Receive Queues. This value is not used in Send Queues.
+ */
mana_gd_ring_doorbell(gc, queue->gdma_dev->doorbell, queue->type,
- queue->id, queue->head * GDMA_WQE_BU_SIZE, 1);
+ queue->id, queue->head * GDMA_WQE_BU_SIZE, 0);
}
void mana_gd_ring_cq(struct gdma_queue *cq, u8 arm_bit)