Fix IPoIB to conform to ethtool definitions

Commit Message

Or Gerlitz Nov. 8, 2010, 7:37 a.m. UTC

None

Patch

diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c b/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c
index e9795f6..e602b7f 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c
@@ -78,6 +78,13 @@  static int ipoib_set_coalesce(struct net_device *dev,
 	    coal->rx_max_coalesced_frames > 0xffff)
 		return -EINVAL;

+	if (coal->rx_max_coalesced_frames | coal->rx_coalesce_usecs) {
+		if (!coal->rx_max_coalesced_frames)
+			coal->rx_max_coalesced_frames = 0xffff;
+		else if (!coal->rx_coalesce_usecs)
+			coal->rx_coalesce_usecs = 0xffff;
+	}
+
 	ret = ib_modify_cq(priv->recv_cq, coal->rx_max_coalesced_frames,
 			   coal->rx_coalesce_usecs);
 	if (ret && ret != -ENOSYS) {