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net/mlx4: Use bitmap_weight_and()

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Use bitmap_weight_and() instead of hand writing it.

This saves a few LoC and is slightly faster, should it mater.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Link: https://lore.kernel.org/r/a29c2348a062408bec45cee2601b2417310e5ea7.1684865809.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Christophe JAILLET 2023-05-23 20:17:52 +02:00 committed by Paolo Abeni
parent e8f8b33230
commit 623a713853
1 changed files with 2 additions and 5 deletions
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7
drivers/net/ethernet/mellanox/mlx4/main.c
View file

@ -1374,16 +1374,13 @@ static int mlx4_mf_bond(struct mlx4_dev *dev)
int nvfs;
struct mlx4_slaves_pport slaves_port1;
struct mlx4_slaves_pport slaves_port2;
DECLARE_BITMAP(slaves_port_1_2, MLX4_MFUNC_MAX);
slaves_port1 = mlx4_phys_to_slaves_pport(dev, 1);
slaves_port2 = mlx4_phys_to_slaves_pport(dev, 2);
bitmap_and(slaves_port_1_2,
slaves_port1.slaves, slaves_port2.slaves,
dev->persist->num_vfs + 1);
/* only single port vfs are allowed */
if (bitmap_weight(slaves_port_1_2, dev->persist->num_vfs + 1) > 1) {
if (bitmap_weight_and(slaves_port1.slaves, slaves_port2.slaves,
dev->persist->num_vfs + 1) > 1) {
mlx4_warn(dev, "HA mode unsupported for dual ported VFs\n");
return -EINVAL;
}