Re: [PATCH v3 net-next] bonding: pair enable_port with slave_arr_updates

[Jay Vosburgh <jay.vosburgh@canonical.com>]

Mahesh Bandewar <maheshb@google.com> wrote:

>When 803.2ad mode enables a participating port, it should update
>the slave-array. I have observed that the member links are participating
>and are part of the active aggregator while the traffic is egressing via
>only one member link (in a case where two links are participating). Via
>krpobes I discovered that that slave-arr has only one link added while
>the other participating link wasn't part of the slave-arr.
>
>I couldn't see what caused that situation but the simple code-walk
>through provided me hints that the enable_port wasn't always associated
>with the slave-array update.
>
>Signed-off-by: Mahesh Bandewar <maheshb@google.com>

Acked-by: Jay Vosburgh <jay.vosburgh@canonical.com>

>---
> drivers/net/bonding/bond_3ad.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
>diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c
>index 6006c2e8fa2b..9fd1d6cba3cd 100644
>--- a/drivers/net/bonding/bond_3ad.c
>+++ b/drivers/net/bonding/bond_3ad.c
>@@ -1021,8 +1021,8 @@ static void ad_mux_machine(struct port *port, bool *update_slave_arr)
> 				if (port->aggregator &&
> 				    port->aggregator->is_active &&
> 				    !__port_is_enabled(port)) {
>-
> 					__enable_port(port);
>+					*update_slave_arr = true;
> 				}
> 			}
> 			break;
>@@ -1779,6 +1779,7 @@ static void ad_agg_selection_logic(struct aggregator *agg,
> 			     port = port->next_port_in_aggregator) {
> 				__enable_port(port);
> 			}
>+			*update_slave_arr = true;
> 		}
> 	}
> 
>-- 
>2.35.0.263.gb82422642f-goog
>