IB/mlx4: Add IPoIB LSO support

[pandora-kernel.git] / drivers / net / mlx4 / fw.c

diff --git a/drivers/net/mlx4/fw.c b/drivers/net/mlx4/fw.c
index f494c3e..d82f275 100644 (file)
--- a/drivers/net/mlx4/fw.c
+++ b/drivers/net/mlx4/fw.c
@@ -133,6 +133,7 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
 #define QUERY_DEV_CAP_MAX_AV_OFFSET            0x27
 #define QUERY_DEV_CAP_MAX_REQ_QP_OFFSET                0x29
 #define QUERY_DEV_CAP_MAX_RES_QP_OFFSET                0x2b
+#define QUERY_DEV_CAP_MAX_GSO_OFFSET           0x2d
 #define QUERY_DEV_CAP_MAX_RDMA_OFFSET          0x2f
 #define QUERY_DEV_CAP_RSZ_SRQ_OFFSET           0x33
 #define QUERY_DEV_CAP_ACK_DELAY_OFFSET         0x35
@@ -215,6 +216,13 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
        dev_cap->max_requester_per_qp = 1 << (field & 0x3f);
        MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_RES_QP_OFFSET);
        dev_cap->max_responder_per_qp = 1 << (field & 0x3f);
+       MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_GSO_OFFSET);
+       field &= 0x1f;
+       if (!field)
+               dev_cap->max_gso_sz = 0;
+       else
+               dev_cap->max_gso_sz = 1 << field;
+
        MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_RDMA_OFFSET);
        dev_cap->max_rdma_global = 1 << (field & 0x3f);
        MLX4_GET(field, outbox, QUERY_DEV_CAP_ACK_DELAY_OFFSET);
@@ -377,6 +385,7 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
                 dev_cap->max_sq_desc_sz, dev_cap->max_sq_sg);
        mlx4_dbg(dev, "Max RQ desc size: %d, max RQ S/G: %d\n",
                 dev_cap->max_rq_desc_sz, dev_cap->max_rq_sg);
+       mlx4_dbg(dev, "Max GSO size: %d\n", dev_cap->max_gso_sz);
 
        dump_dev_cap_flags(dev, dev_cap->flags);