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| author | Jack Morgenstein <jackm@dev.mellanox.co.il> | 2008-07-22 23:19:37 +0200 |
|---|---|---|
| committer | Roland Dreier <rolandd@cisco.com> | 2008-07-22 23:19:37 +0200 |
| commit | 51f5f0ee22b98980f7816d42647467cd5f4b3b45 (patch) | |
| tree | 0876e9302e9183293502395ee57471a8411b9109 /drivers/net/mlx4 | |
| parent | markers: fix duplicate modpost entry (diff) | |
| download | linux-51f5f0ee22b98980f7816d42647467cd5f4b3b45.tar.xz linux-51f5f0ee22b98980f7816d42647467cd5f4b3b45.zip | |
mlx4_core: Add module parameter to enable QoS support
Add a module parameter "enable_qos" to mlx4_core. If this param is
set, enable support for QoS in the INIT_HCA command. By default, the
parameter is set to 0 (disabled).
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/net/mlx4')
| -rw-r--r-- | drivers/net/mlx4/fw.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/net/mlx4/fw.c b/drivers/net/mlx4/fw.c index 2b5006b9be67..0851ebdddfd4 100644 --- a/drivers/net/mlx4/fw.c +++ b/drivers/net/mlx4/fw.c @@ -46,6 +46,10 @@ enum { extern void __buggy_use_of_MLX4_GET(void); extern void __buggy_use_of_MLX4_PUT(void); +static int enable_qos; +module_param(enable_qos, bool, 0444); +MODULE_PARM_DESC(enable_qos, "Enable Quality of Service support in the HCA (default: off)"); + #define MLX4_GET(dest, source, offset) \ do { \ void *__p = (char *) (source) + (offset); \ @@ -737,6 +741,10 @@ int mlx4_INIT_HCA(struct mlx4_dev *dev, struct mlx4_init_hca_param *param) if (dev->caps.flags & MLX4_DEV_CAP_FLAG_IPOIB_CSUM) *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 3); + /* Enable QoS support if module parameter set */ + if (enable_qos) + *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 2); + /* QPC/EEC/CQC/EQC/RDMARC attributes */ MLX4_PUT(inbox, param->qpc_base, INIT_HCA_QPC_BASE_OFFSET); |