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Commit a5a5d199 authored by Michael Guralnik's avatar Michael Guralnik Committed by Jason Gunthorpe
Browse files

IB/core: Add new IB rates 



Add the new rates that were added to Infiniband spec as part of HDR and 2x
support.

Signed-off-by: default avatarMichael Guralnik <michaelgur@mellanox.com>
Reviewed-by: default avatarMajd Dibbiny <majd@mellanox.com>
Signed-off-by: default avatarLeon Romanovsky <leonro@mellanox.com>
Signed-off-by: default avatarJason Gunthorpe <jgg@mellanox.com>
parent dbabf685

drivers/infiniband/core/verbs.c

+12 −0
Original line number Diff line number Diff line
@@ -141,6 +141,10 @@ __attribute_const__ int ib_rate_to_mult(enum ib_rate rate) 
	case IB_RATE_100_GBPS: return  40;

	case IB_RATE_200_GBPS: return  80;

	case IB_RATE_300_GBPS: return 120;

	case IB_RATE_28_GBPS:  return  11;

	case IB_RATE_50_GBPS:  return  20;

	case IB_RATE_400_GBPS: return 160;

	case IB_RATE_600_GBPS: return 240;

	default:	       return  -1;

	}

}
@@ -166,6 +170,10 @@ __attribute_const__ enum ib_rate mult_to_ib_rate(int mult) 
	case 40:  return IB_RATE_100_GBPS;

	case 80:  return IB_RATE_200_GBPS;

	case 120: return IB_RATE_300_GBPS;

	case 11:  return IB_RATE_28_GBPS;

	case 20:  return IB_RATE_50_GBPS;

	case 160: return IB_RATE_400_GBPS;

	case 240: return IB_RATE_600_GBPS;

	default:  return IB_RATE_PORT_CURRENT;

	}

}
@@ -191,6 +199,10 @@ __attribute_const__ int ib_rate_to_mbps(enum ib_rate rate) 
	case IB_RATE_100_GBPS: return 103125;

	case IB_RATE_200_GBPS: return 206250;

	case IB_RATE_300_GBPS: return 309375;

	case IB_RATE_28_GBPS:  return 28125;

	case IB_RATE_50_GBPS:  return 53125;

	case IB_RATE_400_GBPS: return 425000;

	case IB_RATE_600_GBPS: return 637500;

	default:	       return -1;

	}

}

drivers/infiniband/hw/mlx5/qp.c

+1 −1
Original line number Diff line number Diff line
@@ -2703,7 +2703,7 @@ static int ib_rate_to_mlx5(struct mlx5_ib_dev *dev, u8 rate) 
	if (rate == IB_RATE_PORT_CURRENT)

		return 0;



	if (rate < IB_RATE_2_5_GBPS || rate > IB_RATE_300_GBPS)

	if (rate < IB_RATE_2_5_GBPS || rate > IB_RATE_600_GBPS)

		return -EINVAL;



	while (rate != IB_RATE_PORT_CURRENT &&

include/rdma/ib_verbs.h

+5 −1
Original line number Diff line number Diff line
@@ -732,7 +732,11 @@ enum ib_rate { 
	IB_RATE_25_GBPS  = 15,

	IB_RATE_100_GBPS = 16,

	IB_RATE_200_GBPS = 17,

	IB_RATE_300_GBPS = 18

	IB_RATE_300_GBPS = 18,

	IB_RATE_28_GBPS  = 19,

	IB_RATE_50_GBPS  = 20,

	IB_RATE_400_GBPS = 21,

	IB_RATE_600_GBPS = 22,

};



/**