| Message ID | 1254835525-2529-1-git-send-email-thomas@wytron.com.tw |
|---|---|
| State | Accepted, archived |
| Delegated to: | David Miller |
| Headers | show |
From: Thomas Chou <thomas@wytron.com.tw> Date: Tue, 6 Oct 2009 21:25:25 +0800 > Only 128 buffer descriptors are supported in the core. Limit the > number in case we have more memory. > > Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Applied. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/net/ethoc.c b/drivers/net/ethoc.c index 6d82dc6..34d0c69 100644 --- a/drivers/net/ethoc.c +++ b/drivers/net/ethoc.c @@ -662,8 +662,8 @@ static int ethoc_open(struct net_device *dev) if (ret) return ret; - /* calculate the number of TX/RX buffers */ - num_bd = (dev->mem_end - dev->mem_start + 1) / ETHOC_BUFSIZ; + /* calculate the number of TX/RX buffers, maximum 128 supported */ + num_bd = min(128, (dev->mem_end - dev->mem_start + 1) / ETHOC_BUFSIZ); priv->num_tx = max(min_tx, num_bd / 4); priv->num_rx = num_bd - priv->num_tx; ethoc_write(priv, TX_BD_NUM, priv->num_tx);
Only 128 buffer descriptors are supported in the core. Limit the number in case we have more memory. Signed-off-by: Thomas Chou <thomas@wytron.com.tw> --- drivers/net/ethoc.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-)