diff options
| author | Jack Morgenstein <jackm@dev.mellanox.co.il> | 2012-08-03 08:40:56 +0000 |
|---|---|---|
| committer | Roland Dreier <roland@purestorage.com> | 2012-09-30 20:33:43 -0700 |
| commit | afa8fd1db9f295a0c4130bc6d87bf8b05bdd0523 (patch) | |
| tree | 725c4a2c6a9044ff9ac79e4f6a863393756953f0 /drivers/net/ethernet/mellanox/mlx4/cmd.c | |
| parent | 026149cbaada391d98f1cbec47c488cb548f753a (diff) | |
| download | linux-next-afa8fd1db9f295a0c4130bc6d87bf8b05bdd0523.tar.gz | |
mlx4: Paravirtualize Node Guids for slaves
This is necessary in order to support > 1 VF/PF in a VM for software
that uses the node guid as a discriminator, such as librdmacm.
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/cmd.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/cmd.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/cmd.c b/drivers/net/ethernet/mellanox/mlx4/cmd.c index 78fdbd653fa9..90774b7e47a4 100644 --- a/drivers/net/ethernet/mellanox/mlx4/cmd.c +++ b/drivers/net/ethernet/mellanox/mlx4/cmd.c @@ -696,6 +696,7 @@ static int mlx4_MAD_IFC_wrapper(struct mlx4_dev *dev, int slave, struct ib_smp *outsmp = outbox->buf; __be16 *outtab = (__be16 *)(outsmp->data); __be32 slave_cap_mask; + __be64 slave_node_guid; port = vhcr->in_modifier; if (smp->base_version == 1 && @@ -755,6 +756,16 @@ static int mlx4_MAD_IFC_wrapper(struct mlx4_dev *dev, int slave, } return err; } + if (smp->attr_id == IB_SMP_ATTR_NODE_INFO) { + err = mlx4_cmd_box(dev, inbox->dma, outbox->dma, + vhcr->in_modifier, vhcr->op_modifier, + vhcr->op, MLX4_CMD_TIME_CLASS_C, MLX4_CMD_NATIVE); + if (!err) { + slave_node_guid = mlx4_get_slave_node_guid(dev, slave); + memcpy(outsmp->data + 12, &slave_node_guid, 8); + } + return err; + } } } if (slave != mlx4_master_func_num(dev) && |