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authorLennert Buytenhek <buytenh@marvell.com>2009-03-13 15:48:02 -0700
committerDavid S. Miller <davem@davemloft.net>2009-03-13 15:48:02 -0700
commit5a89392225c6147d10328a64b06b756561e97edf (patch)
tree65799891c8419c7777e83f9ba4938e8476e9fc26 /drivers/net
parent08ec9af1c0622b0858099a8644a33af02dd3019f (diff)
downloadlinux-5a89392225c6147d10328a64b06b756561e97edf.tar.bz2
mv643xx_eth: fix unicast address filter corruption on mtu change
When mv643xx_eth_open() is called to up an interface, port_start() will first re-program the unicast address filter, and then re-initialise the PORT_CONFIG register, but that will disable unicast promiscuous mode if it was enabled by the unicast address filter setup. This isn't a problem on ifconfig up, as ->set_rx_mode() will be called shortly afterwards which will program the filters again, but it does trigger when changing the MTU, which calls mv643xx_eth_stop() and then mv643xx_eth_open() by hand to repopulate the receive rings with skbuffs of the new size. Swap the initialisation of the PORT_START register and the call to the unicast filter setup function to fix this. Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/mv643xx_eth.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c
index 13f11f402a99..b0bc3bc18e9c 100644
--- a/drivers/net/mv643xx_eth.c
+++ b/drivers/net/mv643xx_eth.c
@@ -2030,11 +2030,6 @@ static void port_start(struct mv643xx_eth_private *mp)
}
/*
- * Add configured unicast address to address filter table.
- */
- mv643xx_eth_program_unicast_filter(mp->dev);
-
- /*
* Receive all unmatched unicast, TCP, UDP, BPDU and broadcast
* frames to RX queue #0, and include the pseudo-header when
* calculating receive checksums.
@@ -2047,6 +2042,11 @@ static void port_start(struct mv643xx_eth_private *mp)
wrlp(mp, PORT_CONFIG_EXT, 0x00000000);
/*
+ * Add configured unicast addresses to address filter table.
+ */
+ mv643xx_eth_program_unicast_filter(mp->dev);
+
+ /*
* Enable the receive queues.
*/
for (i = 0; i < mp->rxq_count; i++) {