mlx4_core: Directly expose fields of DMFS HW rule control segment

Some of struct mlx4_net_trans_rule_hw_ctrl fields were packed into u32
and accessed through bit field operations.  Expose and access them
directly as u8 or u16.

Signed-off-by: Hadar Hen Zion <hadarh@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>

diff --git a/drivers/net/ethernet/mellanox/mlx4/mcg.c b/drivers/net/ethernet/mellanox/mlx4/mcg.c
index 3cfd372..07712f9 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx4/mcg.c
+++ b/drivers/net/ethernet/mellanox/mlx4/mcg.c
@@ -656,15 +656,15 @@ static void trans_rule_ctrl_to_hw(struct mlx4_net_trans_rule *ctrl,
                [MLX4_FS_MC_SNIFFER]    = 0x5,
        };
 
-       u32 dw = 0;
+       u8 flags = 0;
 
-       dw = ctrl->queue_mode == MLX4_NET_TRANS_Q_LIFO ? 1 : 0;
-       dw |= ctrl->exclusive ? (1 << 2) : 0;
-       dw |= ctrl->allow_loopback ? (1 << 3) : 0;
-       dw |= __promisc_mode[ctrl->promisc_mode] << 8;
-       dw |= ctrl->priority << 16;
+       flags = ctrl->queue_mode == MLX4_NET_TRANS_Q_LIFO ? 1 : 0;
+       flags |= ctrl->exclusive ? (1 << 2) : 0;
+       flags |= ctrl->allow_loopback ? (1 << 3) : 0;
 
-       hw->ctrl = cpu_to_be32(dw);
+       hw->flags = flags;
+       hw->type = __promisc_mode[ctrl->promisc_mode];
+       hw->prio = cpu_to_be16(ctrl->priority);
        hw->port = ctrl->port;
        hw->qpn = cpu_to_be32(ctrl->qpn);
 }

diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h
index a69bda7..08e5bc1 100644 (file)
--- a/include/linux/mlx4/device.h
+++ b/include/linux/mlx4/device.h
@@ -964,7 +964,9 @@ struct mlx4_net_trans_rule {
 };
 
 struct mlx4_net_trans_rule_hw_ctrl {
-       __be32 ctrl;
+       __be16 prio;
+       u8 type;
+       u8 flags;
        u8 rsvd1;
        u8 funcid;
        u8 vep;