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path: root/drivers/net/enic/vnic_rq.c
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Diffstat (limited to 'drivers/net/enic/vnic_rq.c')
-rw-r--r--drivers/net/enic/vnic_rq.c27
1 files changed, 18 insertions, 9 deletions
diff --git a/drivers/net/enic/vnic_rq.c b/drivers/net/enic/vnic_rq.c
index 9365e63e821..75583978a5e 100644
--- a/drivers/net/enic/vnic_rq.c
+++ b/drivers/net/enic/vnic_rq.c
@@ -62,7 +62,6 @@ static int vnic_rq_alloc_bufs(struct vnic_rq *rq)
}
rq->to_use = rq->to_clean = rq->bufs[0];
- rq->buf_index = 0;
return 0;
}
@@ -113,12 +112,12 @@ int vnic_rq_alloc(struct vnic_dev *vdev, struct vnic_rq *rq, unsigned int index,
return 0;
}
-void vnic_rq_init(struct vnic_rq *rq, unsigned int cq_index,
+void vnic_rq_init_start(struct vnic_rq *rq, unsigned int cq_index,
+ unsigned int fetch_index, unsigned int posted_index,
unsigned int error_interrupt_enable,
unsigned int error_interrupt_offset)
{
u64 paddr;
- u32 fetch_index;
paddr = (u64)rq->ring.base_addr | VNIC_PADDR_TARGET;
writeq(paddr, &rq->ctrl->ring_base);
@@ -128,15 +127,27 @@ void vnic_rq_init(struct vnic_rq *rq, unsigned int cq_index,
iowrite32(error_interrupt_offset, &rq->ctrl->error_interrupt_offset);
iowrite32(0, &rq->ctrl->dropped_packet_count);
iowrite32(0, &rq->ctrl->error_status);
+ iowrite32(fetch_index, &rq->ctrl->fetch_index);
+ iowrite32(posted_index, &rq->ctrl->posted_index);
- /* Use current fetch_index as the ring starting point */
- fetch_index = ioread32(&rq->ctrl->fetch_index);
rq->to_use = rq->to_clean =
&rq->bufs[fetch_index / VNIC_RQ_BUF_BLK_ENTRIES]
[fetch_index % VNIC_RQ_BUF_BLK_ENTRIES];
- iowrite32(fetch_index, &rq->ctrl->posted_index);
+}
+
+void vnic_rq_init(struct vnic_rq *rq, unsigned int cq_index,
+ unsigned int error_interrupt_enable,
+ unsigned int error_interrupt_offset)
+{
+ u32 fetch_index;
- rq->buf_index = 0;
+ /* Use current fetch_index as the ring starting point */
+ fetch_index = ioread32(&rq->ctrl->fetch_index);
+
+ vnic_rq_init_start(rq, cq_index,
+ fetch_index, fetch_index,
+ error_interrupt_enable,
+ error_interrupt_offset);
}
unsigned int vnic_rq_error_status(struct vnic_rq *rq)
@@ -192,8 +203,6 @@ void vnic_rq_clean(struct vnic_rq *rq,
[fetch_index % VNIC_RQ_BUF_BLK_ENTRIES];
iowrite32(fetch_index, &rq->ctrl->posted_index);
- rq->buf_index = 0;
-
vnic_dev_clear_desc_ring(&rq->ring);
}