Commit 178d23e3 authored Jul 22, 2015 by Or Gerlitz Committed by David S. Miller Jul 26, 2015

net/mlx4_core: Use sink counter for the VF default as fallback



Some old PF drivers don't let VFs allocate counters, in that case, use
the sink counter so the VF can load and operate properly.

Fixes: 6de5f7f6 ('net/mlx4_core: Allocate default counter per port')
Reported-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 963ad948

drivers/net/ethernet/mellanox/mlx4/main.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -2273,6 +2273,11 @@ static int mlx4_allocate_default_counters(struct mlx4_dev *dev)
		} else if (err == -ENOENT) {
		err = 0;
		continue;
		} else if (mlx4_is_slave(dev) && err == -EINVAL) {
		priv->def_counter[port] = MLX4_SINK_COUNTER_INDEX(dev);
		mlx4_warn(dev, "can't allocate counter from old PF driver, using index %d\n",
		MLX4_SINK_COUNTER_INDEX(dev));
		err = 0;
		} else {
		mlx4_err(dev, "%s: failed to allocate default counter port %d err %d\n",
		__func__, port + 1, err);