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path: root/drivers/net/ethernet/mellanox/mlx4/cmd.c
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Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/cmd.c')
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/cmd.c41
1 files changed, 27 insertions, 14 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/cmd.c b/drivers/net/ethernet/mellanox/mlx4/cmd.c
index 50ce67d4abfc..4f7dc044601e 100644
--- a/drivers/net/ethernet/mellanox/mlx4/cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx4/cmd.c
@@ -939,21 +939,34 @@ static int mlx4_MAD_IFC_wrapper(struct mlx4_dev *dev, int slave,
return err;
}
if (smp->attr_id == IB_SMP_ATTR_GUID_INFO) {
- /* compute slave's gid block */
- smp->attr_mod = cpu_to_be32(slave / 8);
- /* execute cmd */
- err = mlx4_cmd_box(dev, inbox->dma, outbox->dma,
- vhcr->in_modifier, opcode_modifier,
- vhcr->op, MLX4_CMD_TIME_CLASS_C, MLX4_CMD_NATIVE);
- if (!err) {
- /* if needed, move slave gid to index 0 */
- if (slave % 8)
- memcpy(outsmp->data,
- outsmp->data + (slave % 8) * 8, 8);
- /* delete all other gids */
- memset(outsmp->data + 8, 0, 56);
+ __be64 guid = mlx4_get_admin_guid(dev, slave,
+ port);
+
+ /* set the PF admin guid to the FW/HW burned
+ * GUID, if it wasn't yet set
+ */
+ if (slave == 0 && guid == 0) {
+ smp->attr_mod = 0;
+ err = mlx4_cmd_box(dev,
+ inbox->dma,
+ outbox->dma,
+ vhcr->in_modifier,
+ opcode_modifier,
+ vhcr->op,
+ MLX4_CMD_TIME_CLASS_C,
+ MLX4_CMD_NATIVE);
+ if (err)
+ return err;
+ mlx4_set_admin_guid(dev,
+ *(__be64 *)outsmp->
+ data, slave, port);
+ } else {
+ memcpy(outsmp->data, &guid, 8);
}
- return err;
+
+ /* clean all other gids */
+ memset(outsmp->data + 8, 0, 56);
+ return 0;
}
if (smp->attr_id == IB_SMP_ATTR_NODE_INFO) {
err = mlx4_cmd_box(dev, inbox->dma, outbox->dma,