From mboxrd@z Thu Jan 1 00:00:00 1970 From: "John W. Linville" Subject: [patch 2.6.14-rc4] bonding: cleanup comment for mode 1 IGMP xmit hack Date: Tue, 18 Oct 2005 21:30:58 -0400 Message-ID: <10182005213058.12091@bilbo.tuxdriver.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: jgarzik@pobox.com, ctindel@users.sourceforge.net, fubar@us.ibm.com, bonding-devel@lists.sourceforge.net Return-path: To: linux-kernel@vger.kernel.org, netdev@vger.kernel.org Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org Expand comment explaining MAC address selection for replicated IGMP frames transmitted in bonding mode 1 (active-backup). Also, a small whitespace cleanup. Signed-off-by: John W. Linville --- drivers/net/bonding/bond_main.c | 10 +++++++--- 1 files changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -4242,8 +4242,8 @@ out: } static void bond_activebackup_xmit_copy(struct sk_buff *skb, - struct bonding *bond, - struct slave *slave) + struct bonding *bond, + struct slave *slave) { struct sk_buff *skb2 = skb_copy(skb, GFP_ATOMIC); struct ethhdr *eth_data; @@ -4259,7 +4259,11 @@ static void bond_activebackup_xmit_copy( skb2->mac.raw = (unsigned char *)skb2->data; eth_data = eth_hdr(skb2); - /* Pick an appropriate source MAC address */ + /* Pick an appropriate source MAC address + * -- use slave's perm MAC addr, unless used by bond + * -- otherwise, borrow active slave's perm MAC addr + * since that will not be used + */ hwaddr = slave->perm_hwaddr; if (!memcmp(eth_data->h_source, hwaddr, ETH_ALEN)) hwaddr = bond->curr_active_slave->perm_hwaddr;