[PATCH] skge: TX low water mark definition
Consolidate all usage of ring low water mark to one value.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/net/skge.c b/drivers/net/skge.c
index 55245db..7d8e2ab 100644
--- a/drivers/net/skge.c
+++ b/drivers/net/skge.c
@@ -50,6 +50,7 @@
#define DEFAULT_TX_RING_SIZE 128
#define DEFAULT_RX_RING_SIZE 512
#define MAX_TX_RING_SIZE 1024
+#define TX_LOW_WATER (MAX_SKB_FRAGS + 1)
#define MAX_RX_RING_SIZE 4096
#define RX_COPY_THRESHOLD 128
#define RX_BUF_SIZE 1536
@@ -401,7 +402,7 @@
int err;
if (p->rx_pending == 0 || p->rx_pending > MAX_RX_RING_SIZE ||
- p->tx_pending < MAX_SKB_FRAGS+1 || p->tx_pending > MAX_TX_RING_SIZE)
+ p->tx_pending < TX_LOW_WATER || p->tx_pending > MAX_TX_RING_SIZE)
return -EINVAL;
skge->rx_ring.count = p->rx_pending;
@@ -2394,7 +2395,7 @@
dev->name, e - ring->start, skb->len);
ring->to_use = e->next;
- if (skge_avail(&skge->tx_ring) <= MAX_SKB_FRAGS + 1) {
+ if (skge_avail(&skge->tx_ring) <= TX_LOW_WATER) {
pr_debug("%s: transmit queue full\n", dev->name);
netif_stop_queue(dev);
}
@@ -2689,7 +2690,7 @@
skge_write8(skge->hw, Q_ADDR(txqaddr[skge->port], Q_CSR), CSR_IRQ_CL_F);
- if (skge_avail(&skge->tx_ring) > MAX_SKB_FRAGS + 1)
+ if (skge_avail(&skge->tx_ring) > TX_LOW_WATER)
netif_wake_queue(skge->netdev);
spin_unlock(&skge->tx_lock);