netdev - Re: [PATCH net-next v2 4/5] bonding: fix LACP PDU not sent on slave port sometimes

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Date:	Mon, 26 Jan 2015 15:04:46 +0300
From:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:	Jonathan Toppins <jtoppins@...ulusnetworks.com>,
	Jay Vosburgh <j.vosburgh@...il.com>,
	Veaceslav Falico <vfalico@...il.com>,
	Andy Gospodarek <andy@...yhouse.net>
CC:	netdev@...r.kernel.org, Satish Ashok <sashok@...ulusnetworks.com>,
	Andy Gospodarek <gospo@...ulusnetworks.com>
Subject: Re: [PATCH net-next v2 4/5] bonding: fix LACP PDU not sent on slave
 port sometimes

Hello.

On 1/26/2015 9:17 AM, Jonathan Toppins wrote:

> From: Satish Ashok <sashok@...ulusnetworks.com>

> 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

    s/is not/not being/.

> on slave. When the duplex is changed to full, the flag needs to be set
> to send LACP PDU.

> Cc: Andy Gospodarek <gospo@...ulusnetworks.com>
> Reviewed-by: Nikolay Aleksandrov <nikolay@...hat.com>
> Signed-off-by: Satish Ashok <sashok@...ulusnetworks.com>
> Signed-off-by: Jonathan Toppins <jtoppins@...ulusnetworks.com>
> ---
>   drivers/net/bonding/bond_3ad.c |   11 ++++++++---
>   1 file changed, 8 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c
> index e3c96b2..cfc4a9c 100644
> --- a/drivers/net/bonding/bond_3ad.c
> +++ b/drivers/net/bonding/bond_3ad.c
> @@ -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);

    The above 2 changes seem unrelated/undocumented in the change log...

[...]

WBR, Sergei

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