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<p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;
font-family:"Courier New"'>[IPoIB]<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;
font-family:"Courier New"'>This is the merge of commit from NDIS6 tree<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;
font-family:"Courier New"'>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 style='text-autospace:none'><span style='font-size:10.0pt;
font-family:"Courier New"'>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 style='text-autospace:none'><span style='font-size:10.0pt;
font-family:"Courier New"'>1. __ipoib_adapter_reset()<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;
font-family:"Courier New"'>2. Ipoib_pnp_cb()<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;
font-family:"Courier New"'>It seems like bug, but:<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;
font-family:"Courier New"'>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 style='text-autospace:none'><span style='font-size:10.0pt;
font-family:"Courier New"'>2. According to the status, we have 2 possibilities:<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;
font-family:"Courier New"'>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 style='text-autospace:none'><span style='font-size:10.0pt;
font-family:"Courier New"'>b. Otherwise (IB_PNP_PORT_ADD), register back to
pnp events<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;
font-family:"Courier New"'>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 style='text-autospace:none'><span style='font-size:10.0pt;
font-family:"Courier New"'>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 style='text-autospace:none'><span style='font-size:10.0pt;
font-family:"Courier New"'><o:p> </o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;
font-family:"Courier New"'>How it can happen ?<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;
font-family:"Courier New"'>NDIS detected checked_for_hung while IPoIB get
PORT_DOWN/UP pnp events<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:8.5pt;
font-family:"Courier New"'><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>
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