mlx4_core: Adjustments to Flow Steering activation logic for SR-IOV

[cascardo/linux.git] / drivers / net / ethernet / mellanox / mlx4 / fw.c

diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.c b/drivers/net/ethernet/mellanox/mlx4/fw.c
index 9a9de51..8b3d051 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx4/fw.c
+++ b/drivers/net/ethernet/mellanox/mlx4/fw.c
@@ -1338,6 +1338,7 @@ int mlx4_QUERY_HCA(struct mlx4_dev *dev,
 {
        struct mlx4_cmd_mailbox *mailbox;
        __be32 *outbox;
+       u32 dword_field;
        int err;
        u8 byte_field;
 
@@ -1372,10 +1373,18 @@ int mlx4_QUERY_HCA(struct mlx4_dev *dev,
        MLX4_GET(param->rdmarc_base,   outbox, INIT_HCA_RDMARC_BASE_OFFSET);
        MLX4_GET(param->log_rd_per_qp, outbox, INIT_HCA_LOG_RD_OFFSET);
 
+       MLX4_GET(dword_field, outbox, INIT_HCA_FLAGS_OFFSET);
+       if (dword_field & (1 << INIT_HCA_DEVICE_MANAGED_FLOW_STEERING_EN)) {
+               param->steering_mode = MLX4_STEERING_MODE_DEVICE_MANAGED;
+       } else {
+               MLX4_GET(byte_field, outbox, INIT_HCA_UC_STEERING_OFFSET);
+               if (byte_field & 0x8)
+                       param->steering_mode = MLX4_STEERING_MODE_B0;
+               else
+                       param->steering_mode = MLX4_STEERING_MODE_A0;
+       }
        /* steering attributes */
-       if (dev->caps.steering_mode ==
-           MLX4_STEERING_MODE_DEVICE_MANAGED) {
-
+       if (param->steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED) {
                MLX4_GET(param->mc_base, outbox, INIT_HCA_FS_BASE_OFFSET);
                MLX4_GET(param->log_mc_entry_sz, outbox,
                         INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET);