commit 1ccb8389f26f2d513b06abe45d8e0b8f32458302
author Sandeep Gopalpet <sandeep.kumar@freescale.com> Wed Dec 16 01:14:58 2009 +0000
committer David S. Miller <davem@davemloft.net> Fri Dec 18 20:38:36 2009 -0800
tree 26d883f2fa2bc9692ab68707e6c73758f6723591
parent e6bf95ffa8d6f8f4b7ee33ea01490d95b0bbeb6e

gianfar: Fix a filer bug

We need to enable filer whenever we need to use multiple RX
queues. Also, need to program RIR0 register with the required
distribution we require, if using RX filer hashing support for
packet distribution to multiple queues.

Signed-off-by: Sandeep Gopalpet <Sandeep.Kumar@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/gianfar.c

diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index 6850dc0..1616531 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -357,8 +357,11 @@
 	/* Configure the coalescing support */
 	gfar_configure_coalescing(priv, 0xFF, 0xFF);
 
-	if (priv->rx_filer_enable)
+	if (priv->rx_filer_enable) {
 		rctrl |= RCTRL_FILREN;
+		/* Program the RIR0 reg with the required distribution */
+		gfar_write(&regs->rir0, DEFAULT_RIR0);
+	}
 
 	if (priv->rx_csum_enable)
 		rctrl |= RCTRL_CHECKSUMMING;
@@ -1022,6 +1025,9 @@
 		priv->rx_queue[i]->rxic = DEFAULT_RXIC;
 	}
 
+	/* enable filer if using multiple RX queues*/
+	if(priv->num_rx_queues > 1)
+		priv->rx_filer_enable = 1;
 	/* Enable most messages by default */
 	priv->msg_enable = (NETIF_MSG_IFUP << 1 ) - 1;