diff options
Diffstat (limited to 'drivers/net/enic/vnic_rq.c')
| -rw-r--r-- | drivers/net/enic/vnic_rq.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/net/enic/vnic_rq.c b/drivers/net/enic/vnic_rq.c index 45cfc79f9f98..061a26fbbbfb 100644 --- a/drivers/net/enic/vnic_rq.c +++ b/drivers/net/enic/vnic_rq.c @@ -146,6 +146,11 @@ void vnic_rq_init(struct vnic_rq *rq, unsigned int cq_index, /* Use current fetch_index as the ring starting point */ fetch_index = ioread32(&rq->ctrl->fetch_index); + if (fetch_index == 0xFFFFFFFF) { /* check for hardware gone */ + /* Hardware surprise removal: reset fetch_index */ + fetch_index = 0; + } + vnic_rq_init_start(rq, cq_index, fetch_index, fetch_index, error_interrupt_enable, @@ -187,8 +192,6 @@ void vnic_rq_clean(struct vnic_rq *rq, u32 fetch_index; unsigned int count = rq->ring.desc_count; - BUG_ON(ioread32(&rq->ctrl->enable)); - buf = rq->to_clean; while (vnic_rq_desc_used(rq) > 0) { @@ -201,6 +204,12 @@ void vnic_rq_clean(struct vnic_rq *rq, /* Use current fetch_index as the ring starting point */ fetch_index = ioread32(&rq->ctrl->fetch_index); + + if (fetch_index == 0xFFFFFFFF) { /* check for hardware gone */ + /* Hardware surprise removal: reset fetch_index */ + fetch_index = 0; + } + rq->to_use = rq->to_clean = &rq->bufs[fetch_index / VNIC_RQ_BUF_BLK_ENTRIES(count)] [fetch_index % VNIC_RQ_BUF_BLK_ENTRIES(count)]; |