From ab2cc56bbd3ef21d31a5c946129ac3f1fc76f7ea Mon Sep 17 00:00:00 2001 From: Nicolas Dichtel Date: Fri, 9 Jun 2017 17:58:08 +0200 Subject: [PATCH] bonding: warn user when 802.3ad speed is unknown Goal is to advertise the user when ethtool speeds and 802.3ad speeds are desynchronized. When this case happens, the kernel needs to be patched. Suggested-by: Andrew Lunn Signed-off-by: Nicolas Dichtel Signed-off-by: David S. Miller --- drivers/net/bonding/bond_3ad.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c index b44a6aeb346d0..165a8009c6401 100644 --- a/drivers/net/bonding/bond_3ad.c +++ b/drivers/net/bonding/bond_3ad.c @@ -322,6 +322,11 @@ static u16 __get_link_speed(struct port *port) default: /* unknown speed value from ethtool. shouldn't happen */ + if (slave->speed != SPEED_UNKNOWN) + pr_warn_once("%s: unknown ethtool speed (%d) for port %d (set it to 0)\n", + slave->bond->dev->name, + slave->speed, + port->actor_port_number); speed = 0; break; } -- 2.39.5