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Commit fab9adfb authored by Eran Ben Elisha's avatar Eran Ben Elisha Committed by David S. Miller
Browse files

net/mlx4_core: Fix reading HCA max message size in mlx4_QUERY_DEV_CAP 



Currently we parse max_msg_sz from the wrong offset in QUERY_DEV_CAP,
fix to use the right offset.

Fixes: 0b131561 ('net/mlx4_en: Add Flow control statistics [..]')
Signed-off-by: default avatarEran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: default avatarOr Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 3c715127

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

+1 −1
Original line number Diff line number Diff line
@@ -781,10 +781,10 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) 
	MLX4_GET(field, outbox, QUERY_DEV_CAP_VL_PORT_OFFSET);

	dev_cap->num_ports = field & 0xf;

	MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MSG_SZ_OFFSET);

	dev_cap->max_msg_sz = 1 << (field & 0x1f);

	MLX4_GET(field, outbox, QUERY_DEV_CAP_PORT_FLOWSTATS_COUNTERS_OFFSET);

	if (field & 0x10)

		dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_FLOWSTATS_EN;

	dev_cap->max_msg_sz = 1 << (field & 0x1f);

	MLX4_GET(field, outbox, QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET);

	if (field & 0x80)

		dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_FS_EN;