This is a note to let you know that I've just added the patch titled
davinci_emac.c: Fix IFF_ALLMULTI setup
to the 3.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
davinci_emac.c-fix-iff_allmulti-setup.patch
and it can be found in the queue-3.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 8aa5adcf6908d835e5ef6ead5c09068e537ee484 Mon Sep 17 00:00:00 2001
From: Mariusz Ceier <mceier+kernel@xxxxxxxxx>
Date: Mon, 21 Oct 2013 19:45:04 +0200
Subject: davinci_emac.c: Fix IFF_ALLMULTI setup
From: Mariusz Ceier <mceier+kernel@xxxxxxxxx>
[ Upstream commit d69e0f7ea95fef8059251325a79c004bac01f018 ]
When IFF_ALLMULTI flag is set on interface and IFF_PROMISC isn't,
emac_dev_mcast_set should only enable RX of multicasts and reset
MACHASH registers.
It does this, but afterwards it either sets up multicast MACs
filtering or disables RX of multicasts and resets MACHASH registers
again, rendering IFF_ALLMULTI flag useless.
This patch fixes emac_dev_mcast_set, so that multicast MACs filtering and
disabling of RX of multicasts are skipped when IFF_ALLMULTI flag is set.
Tested with kernel 2.6.37.
Signed-off-by: Mariusz Ceier <mceier+kernel@xxxxxxxxx>
Acked-by: Mugunthan V N <mugunthanvnm@xxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/ethernet/ti/davinci_emac.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
--- a/drivers/net/ethernet/ti/davinci_emac.c
+++ b/drivers/net/ethernet/ti/davinci_emac.c
@@ -875,8 +875,7 @@ static void emac_dev_mcast_set(struct ne
netdev_mc_count(ndev) > EMAC_DEF_MAX_MULTICAST_ADDRESSES) {
mbp_enable = (mbp_enable | EMAC_MBP_RXMCAST);
emac_add_mcast(priv, EMAC_ALL_MULTI_SET, NULL);
- }
- if (!netdev_mc_empty(ndev)) {
+ } else if (!netdev_mc_empty(ndev)) {
struct netdev_hw_addr *ha;
mbp_enable = (mbp_enable | EMAC_MBP_RXMCAST);
Patches currently in stable-queue which might be from mceier+kernel@xxxxxxxxx are
queue-3.4/davinci_emac.c-fix-iff_allmulti-setup.patch
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