From 95e3bb7aff59d3b6c73d55d1a386ee53b8363fb5 Mon Sep 17 00:00:00 2001
From: Richard Cochran <richard.cochran@omicron.at>
Date: Tue, 1 Jun 2010 00:16:53 -0700
Subject: [PATCH] ixp4xx: Support the all multicast flag on the NPE devices.
This patch adds support for the IFF_ALLMULTI flag. Previously only the
IFF_PROMISC flag was supported.
Signed-off-by: Richard Cochran <richard.cochran@omicron.at>
Acked-By: Krzysztof Halasa <khc@pm.waw.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/arm/ixp4xx_eth.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/drivers/net/arm/ixp4xx_eth.c b/drivers/net/arm/ixp4xx_eth.c
index 24df0325090c..ee2f8425dbe7 100644
--- a/drivers/net/arm/ixp4xx_eth.c
+++ b/drivers/net/arm/ixp4xx_eth.c
@@ -738,6 +738,17 @@ static void eth_set_mcast_list(struct net_device *dev)
struct netdev_hw_addr *ha;
u8 diffs[ETH_ALEN], *addr;
int i;
+ static const u8 allmulti[] = { 0x01, 0x00, 0x00, 0x00, 0x00, 0x00 };
+
+ if (dev->flags & IFF_ALLMULTI) {
+ for (i = 0; i < ETH_ALEN; i++) {
+ __raw_writel(allmulti[i], &port->regs->mcast_addr[i]);
+ __raw_writel(allmulti[i], &port->regs->mcast_mask[i]);
+ }
+ __raw_writel(DEFAULT_RX_CNTRL0 | RX_CNTRL0_ADDR_FLTR_EN,
+ &port->regs->rx_control[0]);
+ return;
+ }
if ((dev->flags & IFF_PROMISC) || netdev_mc_empty(dev)) {
__raw_writel(DEFAULT_RX_CNTRL0 & ~RX_CNTRL0_ADDR_FLTR_EN,
--
2.20.1