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path: root/drivers/net/qlge
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-rw-r--r--drivers/net/qlge/qlge_main.c17
1 files changed, 12 insertions, 5 deletions
diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c
index 16c056a..1719845 100644
--- a/drivers/net/qlge/qlge_main.c
+++ b/drivers/net/qlge/qlge_main.c
@@ -863,7 +863,8 @@ static void ql_write_cq_idx(struct rx_ring *rx_ring)
/* Process (refill) a large buffer queue. */
static void ql_update_lbq(struct ql_adapter *qdev, struct rx_ring *rx_ring)
{
- int clean_idx = rx_ring->lbq_clean_idx;
+ u32 clean_idx = rx_ring->lbq_clean_idx;
+ u32 start_idx = clean_idx;
struct bq_desc *lbq_desc;
u64 map;
int i;
@@ -910,19 +911,23 @@ static void ql_update_lbq(struct ql_adapter *qdev, struct rx_ring *rx_ring)
rx_ring->lbq_prod_idx += 16;
if (rx_ring->lbq_prod_idx == rx_ring->lbq_len)
rx_ring->lbq_prod_idx = 0;
+ rx_ring->lbq_free_cnt -= 16;
+ }
+
+ if (start_idx != clean_idx) {
QPRINTK(qdev, RX_STATUS, DEBUG,
"lbq: updating prod idx = %d.\n",
rx_ring->lbq_prod_idx);
ql_write_db_reg(rx_ring->lbq_prod_idx,
rx_ring->lbq_prod_idx_db_reg);
- rx_ring->lbq_free_cnt -= 16;
}
}
/* Process (refill) a small buffer queue. */
static void ql_update_sbq(struct ql_adapter *qdev, struct rx_ring *rx_ring)
{
- int clean_idx = rx_ring->sbq_clean_idx;
+ u32 clean_idx = rx_ring->sbq_clean_idx;
+ u32 start_idx = clean_idx;
struct bq_desc *sbq_desc;
u64 map;
int i;
@@ -972,13 +977,15 @@ static void ql_update_sbq(struct ql_adapter *qdev, struct rx_ring *rx_ring)
rx_ring->sbq_prod_idx += 16;
if (rx_ring->sbq_prod_idx == rx_ring->sbq_len)
rx_ring->sbq_prod_idx = 0;
+ rx_ring->sbq_free_cnt -= 16;
+ }
+
+ if (start_idx != clean_idx) {
QPRINTK(qdev, RX_STATUS, DEBUG,
"sbq: updating prod idx = %d.\n",
rx_ring->sbq_prod_idx);
ql_write_db_reg(rx_ring->sbq_prod_idx,
rx_ring->sbq_prod_idx_db_reg);
-
- rx_ring->sbq_free_cnt -= 16;
}
}