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path: root/drivers/net/enic/vnic_rq.h
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Diffstat (limited to 'drivers/net/enic/vnic_rq.h')
-rw-r--r--drivers/net/enic/vnic_rq.h19
1 files changed, 11 insertions, 8 deletions
diff --git a/drivers/net/enic/vnic_rq.h b/drivers/net/enic/vnic_rq.h
index fd0ef66d2e9..35e736cc2d8 100644
--- a/drivers/net/enic/vnic_rq.h
+++ b/drivers/net/enic/vnic_rq.h
@@ -1,5 +1,5 @@
/*
- * Copyright 2008 Cisco Systems, Inc. All rights reserved.
+ * Copyright 2008, 2009 Cisco Systems, Inc. All rights reserved.
* Copyright 2007 Nuova Systems, Inc. All rights reserved.
*
* This program is free software; you may redistribute it and/or modify
@@ -79,7 +79,6 @@ struct vnic_rq {
struct vnic_rq_buf *to_use;
struct vnic_rq_buf *to_clean;
void *os_buf_head;
- unsigned int buf_index;
unsigned int pkts_outstanding;
};
@@ -105,11 +104,6 @@ static inline unsigned int vnic_rq_next_index(struct vnic_rq *rq)
return rq->to_use->index;
}
-static inline unsigned int vnic_rq_next_buf_index(struct vnic_rq *rq)
-{
- return rq->buf_index++;
-}
-
static inline void vnic_rq_post(struct vnic_rq *rq,
void *os_buf, unsigned int os_buf_index,
dma_addr_t dma_addr, unsigned int len)
@@ -143,6 +137,11 @@ static inline void vnic_rq_post(struct vnic_rq *rq,
}
}
+static inline int vnic_rq_posting_soon(struct vnic_rq *rq)
+{
+ return ((rq->to_use->index & VNIC_RQ_RETURN_RATE) == 0);
+}
+
static inline void vnic_rq_return_descs(struct vnic_rq *rq, unsigned int count)
{
rq->ring.desc_avail += count;
@@ -186,7 +185,7 @@ static inline int vnic_rq_fill(struct vnic_rq *rq,
{
int err;
- while (vnic_rq_desc_avail(rq) > 1) {
+ while (vnic_rq_desc_avail(rq) > 0) {
err = (*buf_fill)(rq);
if (err)
@@ -199,6 +198,10 @@ static inline int vnic_rq_fill(struct vnic_rq *rq,
void vnic_rq_free(struct vnic_rq *rq);
int vnic_rq_alloc(struct vnic_dev *vdev, struct vnic_rq *rq, unsigned int index,
unsigned int desc_count, unsigned int desc_size);
+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);
void vnic_rq_init(struct vnic_rq *rq, unsigned int cq_index,
unsigned int error_interrupt_enable,
unsigned int error_interrupt_offset);