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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>This part allows specifying different
values for timeout and retrying count.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Slava<o:p></o:p></span></font></p>
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<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'> Fab Tillier
[mailto:ftillier@windows.microsoft.com] <br>
<b><span style='font-weight:bold'>Sent:</span></b> Thursday, June 12, 2008 8:53
PM<br>
<b><span style='font-weight:bold'>To:</span></b> Sean Hefty; <st1:PersonName
w:st="on">Slava Strebkov</st1:PersonName>; ofw@lists.openfabrics.org<br>
<b><span style='font-weight:bold'>Subject:</span></b> RE: [ofw][patch] mcast
garbage collector</span></font><o:p></o:p></p>
</div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<div style='border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm 4.0pt'>
<div style='border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm 4.0pt'>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>@@ -271,8 +274,14 @@<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>
sa_mad_data.p_attr = &h_mcast->member_rec;<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>
ref_al_obj( &h_mcast->obj );<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>-
status = al_send_sa_req(<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>-
&h_mcast->sa_dereg_req, h_mcast->port_guid, 500, 0, &sa_mad_data,
0 );<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>+
status = <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>+#if defined( CL_KERNEL )<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>+
al_send_sa_req(<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>+
&h_mcast->sa_dereg_req, h_mcast->port_guid, g_mc_destr_retr_timeout,
g_mc_dest_retr_count, &sa_mad_data, 0 );<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>+#else<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>+
al_send_sa_req(<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>+
&h_mcast->sa_dereg_req, h_mcast->port_guid, 500, 0, &sa_mad_data,
0 );<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>+#endif<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>This is separate from this patch, but can
someone explain this part to me? The only way joining multicast groups
can work is if it’s done in a sing</span></font><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'>T</span></font><font
size=2 color=blue face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:blue'>le location, like the kernel. Does al_send_sa_req() drop to
the kernel and get filtered?<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#1f497d" face=Calibri><span
style='font-size:11.0pt;font-family:Calibri;color:#1F497D'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#1f497d" face=Calibri><span
style='font-size:11.0pt;font-family:Calibri;color:#1F497D'>It drops to the
kernel alright, but there is no filtering in IBAL. If multiple clients
register for the same multicast group, that group will get destroyed when the
first client deregisters. Makes it very hard to have multiple QPs on the
same port in the same multicast group.</span></font><font size=2 color=blue
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:blue'><o:p></o:p></span></font></p>
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