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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>I want to send a join message to the SA from user space.</span></font></p>
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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>I know that I can use the umad or the osm_vendor in order to
do it..</span></font></p>
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12.0pt'> </span></font></p>
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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>what is the best way to do it?</span></font></p>
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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>is there is any SA client implementation in the user level
(or is it a transparent layer?)</span></font></p>
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10.0pt;font-family:Arial;color:navy'> </span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>There is no SA client in userspace. (I’m
not sure that one would be that much simpler than calling umad directly.) Ideally,
join requests should go through the kernel through the ib_multicast module to
allow for proper reference counting. Currently, the only interface to that
from userspace is through the rdma_cm.</span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'> </span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>- Sean</span></font></p>
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