pyverbs: Add support for XDR speed

A new field active_speed_ex was added to ibv_port_attr.
In case active_speed_ex is not 0 it should be used, otherwise the
active_speed value should be used.
Update PortAttr accordingly.

Signed-off-by: Linoy Ganti <[email protected]>
Signed-off-by: Edward Srouji <[email protected]>

pyverbs/device.pyx

@@ -913,6 +913,9 @@ cdef class PortAttr(PyverbsObject):
  @property
  def port_cap_flags2(self):
  return self.attr.port_cap_flags2
+ @property
+ def active_speed_ex(self):
+ return self.attr.active_speed_ex
 
  def __str__(self):
  print_format = '{:<24}: {:<20}\n'
@@ -935,7 +938,7 @@ cdef class PortAttr(PyverbsObject):
  print_format.format('Subnet timeout', self.attr.subnet_timeout) +\
  print_format.format('Init type reply', self.attr.init_type_reply) +\
  print_format.format('Active width', width_to_str(self.attr.active_width)) +\
- print_format.format('Active speed', speed_to_str(self.attr.active_speed)) +\
+ print_format.format('Active speed', speed_to_str(self.attr.active_speed, self.attr.active_speed_ex)) +\
  print_format.format('Phys state', phys_state_to_str(self.attr.phys_state)) +\
  print_format.format('Flags', self.attr.flags)
 
@@ -1167,12 +1170,13 @@ def width_to_str(width):
  return 'Invalid width'
 
 
-def speed_to_str(speed):
+def speed_to_str(active_speed, active_speed_ex):
+ real_speed = active_speed if not active_speed_ex else active_speed_ex
  l = {0: '0.0 Gbps', 1: '2.5 Gbps', 2: '5.0 Gbps', 4: '5.0 Gbps',
  8: '10.0 Gbps', 16: '14.0 Gbps', 32: '25.0 Gbps', 64: '50.0 Gbps',
- 128: '100.0 Gbps'}
+ 128: '100.0 Gbps', 256: '200.0 Gbps'}
  try:
- return '{s} ({n})'.format(s=l[speed], n=speed)
+ return '{s} ({n})'.format(s=l[real_speed], n=real_speed)
  except KeyError:
  return 'Invalid speed'
 

pyverbs/libibverbs.pxd

@@ -187,6 +187,7 @@ cdef extern from 'infiniband/verbs.h':
  unsigned char link_layer
  unsigned char flags
  unsigned short port_cap_flags2
+ unsigned int active_speed_ex
 
  cdef struct ibv_comp_channel:
  ibv_context *context