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<p class="MsoNormal"><span style="color:#1F497D">Hi,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p>&nbsp;</o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">I have a question on the expected PL_PM behavior when a SSP frame transmission is interrupted by BREAKs.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p>&nbsp;</o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">The following lines are mentioned in the SPL(spl4r09) specification&nbsp; - &nbsp;<o:p></o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:Arial-BoldMT"><o:p>&nbsp;</o:p></span></b></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:Arial-BoldMT">7.2.3.4 PL_PM3:Connected state<o:p></o:p></span></b></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:ArialMT">&#8230;<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:ArialMT">If this state receives a Connection Closed (Transition to Idle) confirmation after receiving one of the following:<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:ArialMT">a) a Connection Closed (Break Received) confirmation; or<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:ArialMT">b) a Connection Closed (Break Requested) confirmation,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:ArialMT">then this state shall send a Transmission Status (Break Received) confirmation to the transport layer.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:ArialMT"><o:p>&nbsp;</o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:ArialMT">&#8230;<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:ArialMT">If this state receives a Connection Closed (Normal) confirmation, a Connection Closed (Transition to Idle)<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:ArialMT">confirmation, or a Phy Disabled confirmation after sending a Tx Frame request but before receiving a Frame<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:ArialMT">Transmitted confirmation, then this state shall send a Retry Frame message to the PL_OC state machine.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:ArialMT"><o:p>&nbsp;</o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:ArialMT">=============================================================<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:ArialMT"><o:p>&nbsp;</o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">I encountered a scenario where the link layer receives BREAKs after it has transmitted SOF and before EOF could be transmitted. The SL_CC state machine sends a &#8220;Connection Closed (Break Received)&#8221; confirmation
 first followed by a &#8220;Connection Closed (Transition to Idle)&#8221;.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p>&nbsp;</o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Both conditions mentioned above are satisfied<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l2 level1 lfo3"><![if !supportLists]><span style="color:#1F497D"><span style="mso-list:Ignore">1)<span style="font:7.0pt &quot;Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span style="color:#1F497D">&#8220;Connection Closed (Transition to Idle)&#8221; is received after &#8220;Connection Closed (Break Received)&#8221;<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l2 level1 lfo3"><![if !supportLists]><span style="color:#1F497D"><span style="mso-list:Ignore">2)<span style="font:7.0pt &quot;Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span style="color:#1F497D">&#8220;Connection Closed (Transition to Idle)&#8221; is received after sending a Tx Frame request but before receiving a Frame Transmitted confirmation<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p>&nbsp;</o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">I am wondering how the same frame can have a &#8220;Transmission Status&#8221; going to transport layer and a &#8220;Retry Frame&#8221; message going to the PL_OC. The &#8220;Transmission Status (Break Received)&#8221; will cause the ST_TTS state
 machine to terminate the transfer; but &#8220;Retry Frame&#8221; message will cause PL_OC to retry the frame.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p>&nbsp;</o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p>&nbsp;</o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Am I missing something here?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p>&nbsp;</o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p>&nbsp;</o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Thanks,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Srinivas<o:p></o:p></span></p>
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