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path: root/drivers/infiniband/hw/mlx4/mad.c
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-rw-r--r--drivers/infiniband/hw/mlx4/mad.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx4/mad.c b/drivers/infiniband/hw/mlx4/mad.c
index b91b4865d635..603a114b3dfe 100644
--- a/drivers/infiniband/hw/mlx4/mad.c
+++ b/drivers/infiniband/hw/mlx4/mad.c
@@ -35,6 +35,7 @@
#include <rdma/ib_sa.h>
#include <rdma/ib_cache.h>
+#include <linux/random.h>
#include <linux/mlx4/cmd.h>
#include <linux/gfp.h>
#include <rdma/ib_pma.h>
@@ -89,6 +90,12 @@ static void handle_lid_change_event(struct mlx4_ib_dev *dev, u8 port_num);
static void __propagate_pkey_ev(struct mlx4_ib_dev *dev, int port_num,
int block, u32 change_bitmap);
+__be64 mlx4_ib_gen_node_guid(void)
+{
+#define NODE_GUID_HI ((u64) (((u64)IB_OPENIB_OUI) << 40))
+ return cpu_to_be64(NODE_GUID_HI | random32());
+}
+
__be64 mlx4_ib_get_new_demux_tid(struct mlx4_ib_demux_ctx *ctx)
{
return cpu_to_be64(atomic_inc_return(&ctx->tid)) |
@@ -1962,6 +1969,13 @@ int mlx4_ib_init_sriov(struct mlx4_ib_dev *dev)
return 0;
}
+ for (i = 0; i < dev->dev->caps.sqp_demux; i++) {
+ if (i == mlx4_master_func_num(dev->dev))
+ mlx4_put_slave_node_guid(dev->dev, i, dev->ib_dev.node_guid);
+ else
+ mlx4_put_slave_node_guid(dev->dev, i, mlx4_ib_gen_node_guid());
+ }
+
err = mlx4_ib_init_alias_guid_service(dev);
if (err) {
mlx4_ib_warn(&dev->ib_dev, "Failed init alias guid process.\n");
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