From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ding Tianhong Subject: [PATCH net-next 2/2] macvlan: propagate lowerdev mac address changes for passthru mode Date: Mon, 26 May 2014 20:10:33 +0800 Message-ID: <1401106233-11320-3-git-send-email-dingtianhong@huawei.com> References: <1401106233-11320-1-git-send-email-dingtianhong@huawei.com> Mime-Version: 1.0 Content-Type: text/plain Cc: To: , Return-path: Received: from szxga03-in.huawei.com ([119.145.14.66]:32861 "EHLO szxga03-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751656AbaEZMLN (ORCPT ); Mon, 26 May 2014 08:11:13 -0400 In-Reply-To: <1401106233-11320-1-git-send-email-dingtianhong@huawei.com> Sender: netdev-owner@vger.kernel.org List-ID: The macvlan dev should have the same mac address like lowerdev for passthru mode, so when the lowerdev address changes we should change the macvlan dev to the new mac address. This patch adds that propagation. Signed-off-by: Ding Tianhong --- drivers/net/macvlan.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c index 7bd9082..55faff3 100644 --- a/drivers/net/macvlan.c +++ b/drivers/net/macvlan.c @@ -1116,6 +1116,18 @@ static int macvlan_device_event(struct notifier_block *unused, dev_set_mtu(vlan->dev, dev->mtu); } break; + case NETDEV_CHANGEADDR: + if (!port->passthru) + return NOTIFY_DONE; + + vlan = list_first_entry_or_null(&port->vlans, + struct macvlan_dev, + list); + + if (macvlan_sync_address(vlan->dev, dev->dev_addr)) + return NOTIFY_BAD; + + break; case NETDEV_UNREGISTER: /* twiddle thumbs on netns device moves */ if (dev->reg_state != NETREG_UNREGISTERING) -- 1.8.0