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bonding: fix LACP PDU not sent on slave port sometimes

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When a slave is added to a bond and it is not in full duplex mode,
AD_PORT_LACP_ENABLED flag is cleared, due to this LACP PDU is not sent
on slave. When the duplex is changed to full, the flag needs to be set
to send LACP PDU.

Cc: Andy Gospodarek <gospo@cumulusnetworks.com>
Reviewed-by: Nikolay Aleksandrov <nikolay@redhat.com>
Signed-off-by: Satish Ashok <sashok@cumulusnetworks.com>
Signed-off-by: Jonathan Toppins <jtoppins@cumulusnetworks.com>
Signed-off-by: Jay Vosburgh <jay.vosburgh@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Satish Ashok 2015-01-26 01:17:00 -05:00 committed by David S. Miller
parent 63b46242f7
commit 2f6373245a
1 changed files with 8 additions and 3 deletions
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11
drivers/net/bonding/bond_3ad.c
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@ -2219,8 +2219,10 @@ static int bond_3ad_rx_indication(struct lacpdu *lacpdu, struct slave *slave,
switch (lacpdu->subtype) {
case AD_TYPE_LACPDU:
ret = RX_HANDLER_CONSUMED;
netdev_dbg(slave->bond->dev, "Received LACPDU on port %d\n",
port->actor_port_number);
netdev_dbg(slave->bond->dev,
"Received LACPDU on port %d slave %s\n",
port->actor_port_number,
slave->dev->name);
/* Protect against concurrent state machines */
spin_lock(&slave->bond->mode_lock);
ad_rx_machine(lacpdu, port);
@ -2312,7 +2314,10 @@ void bond_3ad_adapter_duplex_changed(struct slave *slave)
port->actor_admin_port_key &= ~AD_DUPLEX_KEY_MASKS;
port->actor_oper_port_key = port->actor_admin_port_key |=
__get_duplex(port);
netdev_dbg(slave->bond->dev, "Port %d changed duplex\n", port->actor_port_number);
netdev_dbg(slave->bond->dev, "Port %d slave %s changed duplex\n",
port->actor_port_number, slave->dev->name);
if (port->actor_oper_port_key & AD_DUPLEX_KEY_MASKS)
port->sm_vars |= AD_PORT_LACP_ENABLED;
/* there is no need to reselect a new aggregator, just signal the
* state machines to reinitialize
*/