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IB: Add new InfiniBand link speeds

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Introduce support for the following extended speeds:

FDR-10: a Mellanox proprietary link speed which is 10.3125 Gbps with
        64b/66b encoding rather than 8b/10b encoding.
FDR:    IBA extended speed 14.0625 Gbps.
EDR:    IBA extended speed 25.78125 Gbps.

Signed-off-by: Marcel Apfelbaum <marcela@dev.mellanox.co.il>
Reviewed-by: Hal Rosenstock <hal@mellanox.com>
Reviewed-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
This commit is contained in:
Marcel Apfelbaum
2011-10-05 14:21:47 +03:00
committed by Roland Dreier
parent 976d167615
commit 71eeba161d
3 changed files with 64 additions and 5 deletions
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18
include/rdma/ib_verbs.h
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@@ -207,6 +207,7 @@ enum ib_port_cap_flags {
IB_PORT_SM_DISABLED = 1 << 10,
IB_PORT_SYS_IMAGE_GUID_SUP = 1 << 11,
IB_PORT_PKEY_SW_EXT_PORT_TRAP_SUP = 1 << 12,
IB_PORT_EXTENDED_SPEEDS_SUP = 1 << 14,
IB_PORT_CM_SUP = 1 << 16,
IB_PORT_SNMP_TUNNEL_SUP = 1 << 17,
IB_PORT_REINIT_SUP = 1 << 18,
@@ -415,7 +416,15 @@ enum ib_rate {
IB_RATE_40_GBPS = 7,
IB_RATE_60_GBPS = 8,
IB_RATE_80_GBPS = 9,
IB_RATE_120_GBPS = 10
IB_RATE_120_GBPS = 10,
IB_RATE_14_GBPS = 11,
IB_RATE_56_GBPS = 12,
IB_RATE_112_GBPS = 13,
IB_RATE_168_GBPS = 14,
IB_RATE_25_GBPS = 15,
IB_RATE_100_GBPS = 16,
IB_RATE_200_GBPS = 17,
IB_RATE_300_GBPS = 18
};
/**
@@ -426,6 +435,13 @@ enum ib_rate {
*/
int ib_rate_to_mult(enum ib_rate rate) __attribute_const__;
/**
* ib_rate_to_mbps - Convert the IB rate enum to Mbps.
* For example, IB_RATE_2_5_GBPS will be converted to 2500.
* @rate: rate to convert.
*/
int ib_rate_to_mbps(enum ib_rate rate) __attribute_const__;
/**
* mult_to_ib_rate - Convert a multiple of 2.5 Gbit/sec to an IB rate
* enum.