net/mlx4: Query RoCE support
Query the RoCE support from firmware using the appropriate firmware
commands. Downstream patches will read these capabilities and act
accordingly.
Signed-off-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h
index 9710371..28cbee0 100644
--- a/include/linux/mlx4/device.h
+++ b/include/linux/mlx4/device.h
@@ -216,6 +216,7 @@
MLX4_DEV_CAP_FLAG2_SKIP_OUTER_VLAN = 1LL << 30,
MLX4_DEV_CAP_FLAG2_UPDATE_QP_SRC_CHECK_LB = 1ULL << 31,
MLX4_DEV_CAP_FLAG2_LB_SRC_CHK = 1ULL << 32,
+ MLX4_DEV_CAP_FLAG2_ROCE_V1_V2 = 1ULL << 33,
};
enum {
@@ -267,12 +268,14 @@
MLX4_BMME_FLAG_TYPE_2_WIN = 1 << 9,
MLX4_BMME_FLAG_RESERVED_LKEY = 1 << 10,
MLX4_BMME_FLAG_FAST_REG_WR = 1 << 11,
+ MLX4_BMME_FLAG_ROCE_V1_V2 = 1 << 19,
MLX4_BMME_FLAG_PORT_REMAP = 1 << 24,
MLX4_BMME_FLAG_VSD_INIT2RTR = 1 << 28,
};
enum {
- MLX4_FLAG_PORT_REMAP = MLX4_BMME_FLAG_PORT_REMAP
+ MLX4_FLAG_PORT_REMAP = MLX4_BMME_FLAG_PORT_REMAP,
+ MLX4_FLAG_ROCE_V1_V2 = MLX4_BMME_FLAG_ROCE_V1_V2
};
enum mlx4_event {
@@ -980,9 +983,10 @@
if ((type) == (dev)->caps.port_mask[(port)])
#define mlx4_foreach_ib_transport_port(port, dev) \
- for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++) \
+ for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++) \
if (((dev)->caps.port_mask[port] == MLX4_PORT_TYPE_IB) || \
- ((dev)->caps.flags & MLX4_DEV_CAP_FLAG_IBOE))
+ ((dev)->caps.flags & MLX4_DEV_CAP_FLAG_IBOE) || \
+ ((dev)->caps.flags2 & MLX4_DEV_CAP_FLAG2_ROCE_V1_V2))
#define MLX4_INVALID_SLAVE_ID 0xFF
#define MLX4_SINK_COUNTER_INDEX(dev) (dev->caps.max_counters - 1)