Enable T11 bit support on mlx4 device
Signed-off-by: Oren Duer <o...@mellanox.co.il>
Signed-off-by: Vu Pham <v...@mellanx.com>
drivers/net/mlx4/fw.c | 13 +++++++++++++
include/linux/mlx4/device.h | 5 ++++-
2 files changed, 17 insertions(+), 1 deletions(-)
Enable T11 bit in mlx4 device
Signed-off-by: Oren Duer <o...@mellanox.co.il>
Signed-off-by: Vu Pham <v...@mellanx.com>
drivers/net/mlx4/fw.c | 13 +++++++++++++
include/linux/mlx4/device.h | 5 ++++-
2 files changed, 17 insertions(+), 1 deletions(-)
diff --git a/drivers/net/mlx4/fw.c b/drivers/net/mlx4/fw.c
index 04f42ae..1286b72 100644
--- a/drivers/net/mlx4/fw.c
+++ b/drivers/net/mlx4/fw.c
@@ -51,6 +51,10 @@ 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)");
+static int mlx4_pre_t11_mode = 0;
+module_param_named(enable_pre_t11_mode, mlx4_pre_t11_mode, int, 0644);
+MODULE_PARM_DESC(enable_pre_t11_mode, "For FCoXX, enable pre-t11 mode if non-zero (default: 0)");
+
#define MLX4_GET(dest, source, offset) \
do { \
void *__p = (char *) (source) + (offset); \
@@ -792,6 +796,8 @@ int mlx4_INIT_HCA(struct mlx4_dev *dev, struct mlx4_init_hca_param *param)
MLX4_PUT(inbox, (u8) (PAGE_SHIFT - 12), INIT_HCA_UAR_PAGE_SZ_OFFSET);
MLX4_PUT(inbox, param->log_uar_sz, INIT_HCA_LOG_UAR_SZ_OFFSET);
+ if (!mlx4_pre_t11_mode && dev->caps.flags & (u32) MLX4_DEV_CAP_FLAG_FC_T11)
+ *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 10);
err = mlx4_cmd(dev, mailbox->dma, 0, 0, MLX4_CMD_INIT_HCA, 10000);
@@ -890,3 +896,10 @@ int mlx4_NOP(struct mlx4_dev *dev)
/* Input modifier of 0x1f means "finish as soon as possible." */
return mlx4_cmd(dev, 0, 0x1f, 0, MLX4_CMD_NOP, 100);
}
+
+void mlx4_get_fc_t11_settings(struct mlx4_dev *dev, int *enable_pre_t11, int *t11_supported)
+{
+ *enable_pre_t11 = mlx4_pre_t11_mode;
+ *t11_supported = dev->caps.flags & MLX4_DEV_CAP_FLAG_FC_T11;
+}
+EXPORT_SYMBOL_GPL(mlx4_get_fc_t11_settings);
diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h
index 8afac02..d173008 100644
--- a/include/linux/mlx4/device.h
+++ b/include/linux/mlx4/device.h
@@ -67,7 +67,8 @@ enum {
MLX4_DEV_CAP_FLAG_ATOMIC = 1 << 18,
MLX4_DEV_CAP_FLAG_RAW_MCAST = 1 << 19,
MLX4_DEV_CAP_FLAG_UD_AV_PORT = 1 << 20,
- MLX4_DEV_CAP_FLAG_UD_MCAST = 1 << 21
+ MLX4_DEV_CAP_FLAG_UD_MCAST = 1 << 21,
+ MLX4_DEV_CAP_FLAG_FC_T11 = 1 << 31
};
enum {
@@ -491,4 +492,6 @@ int mlx4_fmr_free_reserved(struct mlx4_dev *dev, struct mlx4_fmr *fmr);
int mlx4_fmr_free(struct mlx4_dev *dev, struct mlx4_fmr *fmr);
int mlx4_SYNC_TPT(struct mlx4_dev *dev);
+void mlx4_get_fc_t11_settings(struct mlx4_dev *dev, int *enable_pre_t11, int *t11_supported);
+
#endif /* MLX4_DEVICE_H */
