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<DIV dir=ltr align=left><SPAN class=162195319-03012011><FONT color=#0000ff
size=2 face=Arial>Hello Alex and Happy New Year!</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=162195319-03012011><FONT color=#0000ff
size=2 face=Arial></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=162195319-03012011><FONT color=#0000ff
size=2 face=Arial>The ipoib_adapter.cpp line numbers are greatly skewed? Line
994 in your patch equates to line 1146?</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=162195319-03012011><FONT color=#0000ff
size=2 face=Arial></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=162195319-03012011><FONT color=#0000ff
size=2 face=Arial>Does this patch imply the removal of the globals g_reset &
g_reset_complete and their logic?</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=162195319-03012011><FONT color=#0000ff
size=2 face=Arial></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=162195319-03012011><FONT color=#0000ff
size=2 face=Arial>thanks,</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=162195319-03012011><FONT color=#0000ff
size=2 face=Arial></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=162195319-03012011><FONT color=#0000ff
size=2 face=Arial>stan.</FONT></SPAN></DIV><BR>
<DIV dir=ltr lang=en-us class=OutlookMessageHeader align=left>
<HR tabIndex=-1>
<FONT size=2 face=Tahoma><B>From:</B> ofw-bounces@lists.openfabrics.org
[mailto:ofw-bounces@lists.openfabrics.org] <B>On Behalf Of </B>Alex
Naslednikov<BR><B>Sent:</B> Monday, January 03, 2011 7:46 AM<BR><B>To:</B>
ofw@lists.openfabrics.org<BR><B>Subject:</B> [ofw]
[Patch][IPoIB]<BR></FONT><BR></DIV>
<DIV></DIV>
<DIV class=Section1>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Courier New'; FONT-SIZE: 10pt">[IPoIB]<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Courier New'; FONT-SIZE: 10pt">This is the merge of commit
from NDIS6 tree<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN style="FONT-FAMILY: 'Courier New'; FONT-SIZE: 10pt">The
purpose of __ipoib_complete_reset() is to send to NDIS async compete on reset
process accomplishment and set “p_adapter->reset =
FALSE”;<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN style="FONT-FAMILY: 'Courier New'; FONT-SIZE: 10pt">But
__ipoib_complete_reset() can be called independently from several async
threads (i.e. running in parallel), where the main of them
are:<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Courier New'; FONT-SIZE: 10pt">1.
__ipoib_adapter_reset()<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Courier New'; FONT-SIZE: 10pt">2.
Ipoib_pnp_cb()<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN style="FONT-FAMILY: 'Courier New'; FONT-SIZE: 10pt">It
seems like bug, but:<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Courier New'; FONT-SIZE: 10pt">1.
We check for adapter state within __ipoib_complete_reset() . This is to
sync between NDIS and IBAL async PNP events !! <o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Courier New'; FONT-SIZE: 10pt">2.
According to the status, we have 2 possibilities:<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Courier New'; FONT-SIZE: 10pt">a. State
== IB_PNP_PORT_REMOVE - than complete the reset now (and
ASSERT(p_adapter->reset == TRUE) should be true there))<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Courier New'; FONT-SIZE: 10pt">b.
Otherwise (IB_PNP_PORT_ADD), register back to pnp events<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Courier New'; FONT-SIZE: 10pt">i. If
succeed, do not complete reset here - reset process will be completed by
ipoib_pnp_cb() thread.<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Courier New'; FONT-SIZE: 10pt">ii. If not,
reset process will be completed now (ASSERT(p_adapter->reset == TRUE) should
be true there)<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Courier New'; FONT-SIZE: 10pt"><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN style="FONT-FAMILY: 'Courier New'; FONT-SIZE: 10pt">How
it can happen ?<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Courier New'; FONT-SIZE: 10pt">NDIS detected
checked_for_hung while IPoIB get PORT_DOWN/UP pnp events<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Courier New'; FONT-SIZE: 8.5pt"><o:p> </o:p></SPAN></P>
<P class=MsoNormal>Index:
B:/users/xalex/WoF-trunk/ulp/ipoib/kernel/ipoib_adapter.c<o:p></o:p></P>
<P
class=MsoNormal>===================================================================<o:p></o:p></P>
<P class=MsoNormal>---
B:/users/xalex/WoF-trunk/ulp/ipoib/kernel/ipoib_adapter.c
(revision 3053)<o:p></o:p></P>
<P class=MsoNormal>+++
B:/users/xalex/WoF-trunk/ulp/ipoib/kernel/ipoib_adapter.c
(working copy)<o:p></o:p></P>
<P class=MsoNormal>@@ -994,12 +994,13 @@<o:p></o:p></P>
<P class=MsoNormal> <o:p></o:p></P>
<P
class=MsoNormal>
if( p_port )<o:p></o:p></P>
<P
class=MsoNormal>
ipoib_port_destroy( p_port );<o:p></o:p></P>
<P
class=MsoNormal>-
ASSERT(p_adapter->reset == TRUE);<o:p></o:p></P>
<P
class=MsoNormal>+
<o:p></o:p></P>
<P
class=MsoNormal>
if( state != IB_PNP_PORT_REMOVE )<o:p></o:p></P>
<P
class=MsoNormal>
{<o:p></o:p></P>
<P
class=MsoNormal>
status = __ipoib_pnp_reg( p_adapter, IB_PNP_FLAG_REG_COMPLETE );<o:p></o:p></P>
<P
class=MsoNormal>
if( status != IB_SUCCESS )<o:p></o:p></P>
<P
class=MsoNormal>
{<o:p></o:p></P>
<P
class=MsoNormal>+
ASSERT( p_adapter->reset == TRUE );<o:p></o:p></P>
<P
class=MsoNormal>
p_adapter->reset = FALSE;<o:p></o:p></P>
<P
class=MsoNormal>
IPOIB_PRINT( TRACE_LEVEL_ERROR, IPOIB_DBG_ERROR,<o:p></o:p></P>
<P
class=MsoNormal>
("__ipoib_pnp_reg returned %s\n",<o:p></o:p></P>
<P class=MsoNormal>@@ -1010,6 +1011,7 @@<o:p></o:p></P>
<P
class=MsoNormal>
}<o:p></o:p></P>
<P
class=MsoNormal>
else<o:p></o:p></P>
<P
class=MsoNormal>
{<o:p></o:p></P>
<P
class=MsoNormal>+
ASSERT( p_adapter->reset == TRUE );<o:p></o:p></P>
<P
class=MsoNormal>
p_adapter->reset = FALSE;<o:p></o:p></P>
<P
class=MsoNormal>
NdisMResetComplete(<o:p></o:p></P>
<P
class=MsoNormal>
p_adapter->h_adapter, NDIS_STATUS_SUCCESS, TRUE );<o:p></o:p></P>
<P class=MsoNormal><o:p> </o:p></P>
<P class=MsoNormal><B>Alexander (XaleX) Naslednikov<o:p></o:p></B></P>
<P class=MsoNormal><B>SW Networking Team<o:p></o:p></B></P>
<P class=MsoNormal><B>Mellanox Technologies<o:p></o:p></B></P>
<P class=MsoNormal><o:p> </o:p></P></DIV></BODY></HTML>