From: Noa Osherovich <noaos@xxxxxxxxxxxx> Add missing calculation and translation of active_width and active_speed for RoCE. Fixes: 3f89a643eb295 ('IB/mlx5: Extend query_device/port to ...') Signed-off-by: Noa Osherovich <noaos@xxxxxxxxxxxx> Signed-off-by: Eran Ben Elisha <eranbe@xxxxxxxxxxxx> Signed-off-by: Leon Romanovsky <leon@xxxxxxxxxx> --- drivers/infiniband/hw/mlx5/main.c | 73 ++++++++++++++++++++++++++++++++++++--- 1 file changed, 68 insertions(+), 5 deletions(-) diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index 6ba8bbc5c74a..0eaf769a34f5 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -165,21 +165,87 @@ 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. */ ndev = mlx5_ib_get_netdev(device, port_num); if (!ndev) return; + if (mlx5_query_port_eth_proto_oper(mdev, ð_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; @@ -215,9 +281,6 @@ 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, -- 2.12.2 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html