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>

1 files changed, 17 insertions, 1 deletions

diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 228be3e220d..97c98c0d89b 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -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
 };
 
 /**
@@ -427,6 +436,13 @@ 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.
  * @mult: multiple to convert.