diff options
| author |   Marcel Apfelbaum <marcela@dev.mellanox.co.il> | 2011-10-05 14:21:47 +0300 |
|---|---|---|
| committer |   Roland Dreier <roland@purestorage.com> | 2011-10-11 11:53:47 -0700 |
| commit | 71eeba161d7611238ecb6f525a82325aa35339f0 (patch) | |
| tree | 97e4a2b1cf8754029ef0755cd67d1502659e2af1 /drivers/infiniband/core/verbs.c | |
| parent | Linux 3.1-rc9 (diff) | |
| download | linux-dev-71eeba161d7611238ecb6f525a82325aa35339f0.tar.xz linux-dev-71eeba161d7611238ecb6f525a82325aa35339f0.zip | |
IB: Add new InfiniBand link speeds
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>
Diffstat (limited to 'drivers/infiniband/core/verbs.c')
| -rw-r--r-- | drivers/infiniband/core/verbs.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c index af7a8b08b2e9..2abed810d8d5 100644 --- a/drivers/infiniband/core/verbs.c +++ b/drivers/infiniband/core/verbs.c @@ -77,6 +77,31 @@ enum ib_rate mult_to_ib_rate(int mult) } EXPORT_SYMBOL(mult_to_ib_rate); +int ib_rate_to_mbps(enum ib_rate rate) +{ + switch (rate) { + case IB_RATE_2_5_GBPS: return 2500; + case IB_RATE_5_GBPS: return 5000; + case IB_RATE_10_GBPS: return 10000; + case IB_RATE_20_GBPS: return 20000; + case IB_RATE_30_GBPS: return 30000; + case IB_RATE_40_GBPS: return 40000; + case IB_RATE_60_GBPS: return 60000; + case IB_RATE_80_GBPS: return 80000; + case IB_RATE_120_GBPS: return 120000; + case IB_RATE_14_GBPS: return 14062; + case IB_RATE_56_GBPS: return 56250; + case IB_RATE_112_GBPS: return 112500; + case IB_RATE_168_GBPS: return 168750; + case IB_RATE_25_GBPS: return 25781; + case IB_RATE_100_GBPS: return 103125; + case IB_RATE_200_GBPS: return 206250; + case IB_RATE_300_GBPS: return 309375; + default: return -1; + } +} +EXPORT_SYMBOL(ib_rate_to_mbps); + enum rdma_transport_type rdma_node_get_transport(enum rdma_node_type node_type) { |