Pull bugzilla-5452 into release branch

[pandora-kernel.git] / drivers / infiniband / core / verbs.c

diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c
index cae0845..b78e7dc 100644 (file)
--- a/drivers/infiniband/core/verbs.c
+++ b/drivers/infiniband/core/verbs.c
@@ -45,6 +45,40 @@
 #include <rdma/ib_verbs.h>
 #include <rdma/ib_cache.h>
 
+int ib_rate_to_mult(enum ib_rate rate)
+{
+       switch (rate) {
+       case IB_RATE_2_5_GBPS: return  1;
+       case IB_RATE_5_GBPS:   return  2;
+       case IB_RATE_10_GBPS:  return  4;
+       case IB_RATE_20_GBPS:  return  8;
+       case IB_RATE_30_GBPS:  return 12;
+       case IB_RATE_40_GBPS:  return 16;
+       case IB_RATE_60_GBPS:  return 24;
+       case IB_RATE_80_GBPS:  return 32;
+       case IB_RATE_120_GBPS: return 48;
+       default:               return -1;
+       }
+}
+EXPORT_SYMBOL(ib_rate_to_mult);
+
+enum ib_rate mult_to_ib_rate(int mult)
+{
+       switch (mult) {
+       case 1:  return IB_RATE_2_5_GBPS;
+       case 2:  return IB_RATE_5_GBPS;
+       case 4:  return IB_RATE_10_GBPS;
+       case 8:  return IB_RATE_20_GBPS;
+       case 12: return IB_RATE_30_GBPS;
+       case 16: return IB_RATE_40_GBPS;
+       case 24: return IB_RATE_60_GBPS;
+       case 32: return IB_RATE_80_GBPS;
+       case 48: return IB_RATE_120_GBPS;
+       default: return IB_RATE_PORT_CURRENT;
+       }
+}
+EXPORT_SYMBOL(mult_to_ib_rate);
+
 /* Protection domains */
 
 struct ib_pd *ib_alloc_pd(struct ib_device *device)