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path: root/drivers/infiniband/hw/mlx5/main.c
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Diffstat (limited to 'drivers/infiniband/hw/mlx5/main.c')
-rw-r--r--drivers/infiniband/hw/mlx5/main.c72
1 files changed, 67 insertions, 5 deletions
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index cd3e00ad6e42..9f3ba320ce70 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -166,17 +166,82 @@ static struct net_device *mlx5_ib_get_netdev(struct ib_device *device,
return ndev;
}
+static int translate_eth_proto_oper(u32 eth_proto_oper, u8 *active_speed,
+ u8 *active_width)
+{
+ switch (eth_proto_oper) {
+ case MLX5E_PROT_MASK(MLX5E_1000BASE_CX_SGMII):
+ case MLX5E_PROT_MASK(MLX5E_1000BASE_KX):
+ case MLX5E_PROT_MASK(MLX5E_100BASE_TX):
+ case MLX5E_PROT_MASK(MLX5E_1000BASE_T):
+ *active_width = IB_WIDTH_1X;
+ *active_speed = IB_SPEED_SDR;
+ break;
+ case MLX5E_PROT_MASK(MLX5E_10GBASE_T):
+ case MLX5E_PROT_MASK(MLX5E_10GBASE_CX4):
+ case MLX5E_PROT_MASK(MLX5E_10GBASE_KX4):
+ case MLX5E_PROT_MASK(MLX5E_10GBASE_KR):
+ case MLX5E_PROT_MASK(MLX5E_10GBASE_CR):
+ case MLX5E_PROT_MASK(MLX5E_10GBASE_SR):
+ case MLX5E_PROT_MASK(MLX5E_10GBASE_ER):
+ *active_width = IB_WIDTH_1X;
+ *active_speed = IB_SPEED_QDR;
+ break;
+ case MLX5E_PROT_MASK(MLX5E_25GBASE_CR):
+ case MLX5E_PROT_MASK(MLX5E_25GBASE_KR):
+ case MLX5E_PROT_MASK(MLX5E_25GBASE_SR):
+ *active_width = IB_WIDTH_1X;
+ *active_speed = IB_SPEED_EDR;
+ break;
+ case MLX5E_PROT_MASK(MLX5E_40GBASE_CR4):
+ case MLX5E_PROT_MASK(MLX5E_40GBASE_KR4):
+ case MLX5E_PROT_MASK(MLX5E_40GBASE_SR4):
+ case MLX5E_PROT_MASK(MLX5E_40GBASE_LR4):
+ *active_width = IB_WIDTH_4X;
+ *active_speed = IB_SPEED_QDR;
+ break;
+ case MLX5E_PROT_MASK(MLX5E_50GBASE_CR2):
+ case MLX5E_PROT_MASK(MLX5E_50GBASE_KR2):
+ case MLX5E_PROT_MASK(MLX5E_50GBASE_SR2):
+ *active_width = IB_WIDTH_1X;
+ *active_speed = IB_SPEED_HDR;
+ break;
+ case MLX5E_PROT_MASK(MLX5E_56GBASE_R4):
+ *active_width = IB_WIDTH_4X;
+ *active_speed = IB_SPEED_FDR;
+ break;
+ case MLX5E_PROT_MASK(MLX5E_100GBASE_CR4):
+ case MLX5E_PROT_MASK(MLX5E_100GBASE_SR4):
+ case MLX5E_PROT_MASK(MLX5E_100GBASE_KR4):
+ case MLX5E_PROT_MASK(MLX5E_100GBASE_LR4):
+ *active_width = IB_WIDTH_4X;
+ *active_speed = IB_SPEED_EDR;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
static void mlx5_query_port_roce(struct ib_device *device, u8 port_num,
struct ib_port_attr *props)
{
struct mlx5_ib_dev *dev = to_mdev(device);
+ struct mlx5_core_dev *mdev = dev->mdev;
struct net_device *ndev, *upper;
enum ib_mtu ndev_ib_mtu;
u16 qkey_viol_cntr;
+ u32 eth_prot_oper;
- /* Getting netdev before filling out props so in case of an error it
- * will still be zeroed out.
+ /* Possible bad flows are checked before filling out props so in case
+ * of an error it will still be zeroed out.
*/
+ if (mlx5_query_port_eth_proto_oper(mdev, &eth_prot_oper, port_num))
+ return;
+
+ translate_eth_proto_oper(eth_prot_oper, &props->active_speed,
+ &props->active_width);
props->port_cap_flags |= IB_PORT_CM_SUP;
props->port_cap_flags |= IB_PORT_IP_BASED_GIDS;
@@ -217,9 +282,6 @@ static void mlx5_query_port_roce(struct ib_device *device, u8 port_num,
dev_put(ndev);
props->active_mtu = min(props->max_mtu, ndev_ib_mtu);
-
- props->active_width = IB_WIDTH_4X; /* TODO */
- props->active_speed = IB_SPEED_QDR; /* TODO */
}
static void ib_gid_to_mlx5_roce_addr(const union ib_gid *gid,