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* [PATCH v2] ipvlan: flush arp table when mac address changed
@ 2018-05-14  9:22 liuqifa
  2018-05-14  9:50 ` Sergei Shtylyov
  0 siblings, 1 reply; 2+ messages in thread
From: liuqifa @ 2018-05-14  9:22 UTC (permalink / raw)
  To: davem, dsahern, maheshb, weiyongjun1, maowenan, dingtianhong, liuqifa
  Cc: netdev, linux-kernel

From: Keefe Liu <liuqifa@huawei.com>

When master device's mac has been changed, the
commit <32c10bbfe914> "ipvlan: always use the current L2
addr of the master" makes the IPVlan devices's mac changed
also, but it doesn't flush the IPVlan's arp table.

Signed-off-by: Keefe Liu <liuqifa@huawei.com>
---
 drivers/net/ipvlan/ipvlan_main.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ipvlan/ipvlan_main.c b/drivers/net/ipvlan/ipvlan_main.c
index 450eec2..4377c26 100644
--- a/drivers/net/ipvlan/ipvlan_main.c
+++ b/drivers/net/ipvlan/ipvlan_main.c
@@ -792,8 +792,10 @@ static int ipvlan_device_event(struct notifier_block *unused,
 		break;
 
 	case NETDEV_CHANGEADDR:
-		list_for_each_entry(ipvlan, &port->ipvlans, pnode)
+		list_for_each_entry(ipvlan, &port->ipvlans, pnode) {
 			ether_addr_copy(ipvlan->dev->dev_addr, dev->dev_addr);
+			call_netdevice_notifiers(NETDEV_CHANGEADDR, ipvlan->dev);
+		}
 		break;
 
 	case NETDEV_PRE_TYPE_CHANGE:
-- 
1.8.3.1

^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH v2] ipvlan: flush arp table when mac address changed
  2018-05-14  9:22 [PATCH v2] ipvlan: flush arp table when mac address changed liuqifa
@ 2018-05-14  9:50 ` Sergei Shtylyov
  0 siblings, 0 replies; 2+ messages in thread
From: Sergei Shtylyov @ 2018-05-14  9:50 UTC (permalink / raw)
  To: liuqifa, davem, dsahern, maheshb, weiyongjun1, maowenan, dingtianhong
  Cc: netdev, linux-kernel

Hello.

On 5/14/2018 12:22 PM, liuqifa@huawei.com wrote:

> From: Keefe Liu <liuqifa@huawei.com>
> 
> When master device's mac has been changed, the
> commit <32c10bbfe914> "ipvlan: always use the current L2
> addr of the master" makes the IPVlan devices's mac changed

commit 32c10bbfe914 ("ipvlan: always use the current L2
addr of the master").

> also, but it doesn't flush the IPVlan's arp table.
> 
> Signed-off-by: Keefe Liu <liuqifa@huawei.com>
[...]

MBR, Sergei

^ permalink raw reply	[flat|nested] 2+ messages in thread

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