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<HR tabIndex=-1>
<FONT size=2 face=Tahoma><B>From:</B> Alex Naslednikov
[mailto:xalex@mellanox.co.il] <BR><B>Sent:</B> Tuesday, January 04, 2011 12:48
AM<BR><B>To:</B> Smith, Stan; ofw@lists.openfabrics.org<BR><B>Subject:</B> RE:
[ofw] [Patch][IPoIB]<BR></FONT><BR></DIV>
<DIV></DIV>
<DIV class=Section1>
<P class=MsoNormal><SPAN style="COLOR: #1f497d">Happy New Year, Stan
!<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: blue; FONT-SIZE: 10pt">The
ipoib_adapter.cpp line numbers are greatly skewed? Line 994 in your patch
equates to line 1146?</SPAN><SPAN style="COLOR: #1f497d"><o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN style="COLOR: #1f497d">The line were skewed probably
because of non-updated version of WoF code.<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN style="COLOR: #1f497d">But, as I promised, I always use
WoF code to create patch and not Mellanox distribution </SPAN><SPAN
style="FONT-FAMILY: Wingdings; COLOR: #1f497d">J<SPAN
class=792591216-04012011><FONT color=#0000ff size=2
face=Arial> </FONT></SPAN></SPAN></P>
<P class=MsoNormal><SPAN style="FONT-FAMILY: Wingdings; COLOR: #1f497d"><SPAN
class=792591216-04012011></SPAN></SPAN> </P>
<P class=MsoNormal><SPAN style="FONT-FAMILY: Wingdings; COLOR: #1f497d"><SPAN
class=792591216-04012011><FONT color=#0000ff size=2
face=Arial>Thanks.</FONT> </SPAN></SPAN><SPAN
style="COLOR: #1f497d"><o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN style="COLOR: #1f497d"><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN style="COLOR: #1f497d">Also, I would like to point your
attention that this patch is for IPoIB and not IPoIB_NDIS6_CM (this is porting
of the same patch from NDIS6 code).<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN style="COLOR: #1f497d">Thus, you should look on
ipoib_adapter.c and not ipoib_adapter.cpp<SPAN class=792591216-04012011><FONT
color=#0000ff size=2 face=Arial> </FONT></SPAN></SPAN></P>
<P class=MsoNormal><SPAN style="COLOR: #1f497d"><SPAN
class=792591216-04012011></SPAN></SPAN> </P>
<P class=MsoNormal><SPAN style="COLOR: #1f497d"><SPAN
class=792591216-04012011><FONT color=#0000ff size=2 face=Arial>Wow - did I ever
miss that one! oops.</FONT> </SPAN><o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN style="COLOR: #1f497d"><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: blue; FONT-SIZE: 10pt">Does
this patch imply the removal of the globals g_reset & g_reset_complete and
their logic?</SPAN><SPAN
style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"><o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN style="COLOR: #1f497d">These variable aren’t exist at
NDIS5 code.<SPAN class=792591216-04012011><FONT color=#0000ff size=2
face=Arial> </FONT></SPAN></SPAN></P>
<P class=MsoNormal><SPAN style="COLOR: #1f497d"><SPAN
class=792591216-04012011><FONT color=#0000ff size=2
face=Arial>Understood.</FONT> </SPAN><o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN style="COLOR: #1f497d"><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN style="COLOR: #1f497d"><o:p> </o:p></SPAN></P>
<DIV>
<DIV
style="BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; BORDER-TOP: #b5c4df 1pt solid; BORDER-RIGHT: medium none; PADDING-TOP: 3pt">
<P class=MsoNormal><B><SPAN
style="FONT-FAMILY: 'Tahoma','sans-serif'; FONT-SIZE: 10pt">From:</SPAN></B><SPAN
style="FONT-FAMILY: 'Tahoma','sans-serif'; FONT-SIZE: 10pt"> Smith, Stan
[mailto:stan.smith@intel.com] <BR><B>Sent:</B> Monday, January 03, 2011 10:09
PM<BR><B>To:</B> Alex Naslednikov; ofw@lists.openfabrics.org<BR><B>Subject:</B>
RE: [ofw] [Patch][IPoIB]<o:p></o:p></SPAN></P></DIV></DIV>
<P class=MsoNormal><o:p> </o:p></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: blue; FONT-SIZE: 10pt">Hello
Alex and Happy New Year!</SPAN><SPAN
style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"><o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"> <o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: blue; FONT-SIZE: 10pt">The
ipoib_adapter.cpp line numbers are greatly skewed? Line 994 in your patch
equates to line 1146?</SPAN><SPAN
style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"><o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"> <o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: blue; FONT-SIZE: 10pt">Does
this patch imply the removal of the globals g_reset & g_reset_complete and
their logic?</SPAN><SPAN
style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"><o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"> <o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: blue; FONT-SIZE: 10pt">thanks,</SPAN><SPAN
style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"><o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"> <o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: blue; FONT-SIZE: 10pt">stan.</SPAN><SPAN
style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"><o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"><o:p> </o:p></SPAN></P>
<DIV style="TEXT-ALIGN: center" class=MsoNormal align=center><SPAN
style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt">
<HR align=center SIZE=2 width="100%">
</SPAN></DIV>
<P style="MARGIN-BOTTOM: 12pt" class=MsoNormal><B><SPAN
style="FONT-FAMILY: 'Tahoma','sans-serif'; FONT-SIZE: 10pt">From:</SPAN></B><SPAN
style="FONT-FAMILY: 'Tahoma','sans-serif'; FONT-SIZE: 10pt">
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]</SPAN><SPAN
style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"><o:p></o:p></SPAN></P>
<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>