<p>pespin has uploaded this change for <strong>review</strong>.</p><p><a href="https://gerrit.osmocom.org/c/osmo-bts/+/25534">View Change</a></p><pre style="font-family: monospace,monospace; white-space: pre-wrap;">l1sap: Support rx of empty rlcmac blocks from PCU<br><br>This way the PCU can signal idle RLCMAC blocks (no transmission<br>required) to the BTS, which can then send dummy/fill blocks aplying<br>power reduction as needed by TRX.<br><br>The block with len=0 is submitted to lower layers up to the scheduler,<br>which will finally drop it in trx_sched_ph_data_req().<br><br>Change-Id: I734c66e236bf3e2015a4571ea1fd84849a9ef02c<br>Related: SYS#4919<br>---<br>M src/common/l1sap.c<br>1 file changed, 6 insertions(+), 2 deletions(-)<br><br></pre><pre style="font-family: monospace,monospace; white-space: pre-wrap;">git pull ssh://gerrit.osmocom.org:29418/osmo-bts refs/changes/34/25534/1</pre><pre style="font-family: monospace,monospace; white-space: pre-wrap;"><span>diff --git a/src/common/l1sap.c b/src/common/l1sap.c</span><br><span>index 8aa80e7..b9bc675 100644</span><br><span>--- a/src/common/l1sap.c</span><br><span>+++ b/src/common/l1sap.c</span><br><span>@@ -1977,8 +1977,12 @@</span><br><span>        l1sap->u.data.chan_nr = RSL_CHAN_OSMO_PDCH | ts->nr;</span><br><span>   l1sap->u.data.link_id = 0x00;</span><br><span>     l1sap->u.data.fn = fn;</span><br><span style="color: hsl(0, 100%, 40%);">-       msg->l2h = msgb_put(msg, len);</span><br><span style="color: hsl(0, 100%, 40%);">-       memcpy(msg->l2h, data, len);</span><br><span style="color: hsl(120, 100%, 40%);">+       if (len) {</span><br><span style="color: hsl(120, 100%, 40%);">+            msg->l2h = msgb_put(msg, len);</span><br><span style="color: hsl(120, 100%, 40%);">+             memcpy(msg->l2h, data, len);</span><br><span style="color: hsl(120, 100%, 40%);">+       } else {</span><br><span style="color: hsl(120, 100%, 40%);">+              msg->l2h = NULL; /* Idle block */</span><br><span style="color: hsl(120, 100%, 40%);">+  }</span><br><span> </span><br><span>        return l1sap_down(ts->trx, l1sap);</span><br><span> }</span><br><span></span><br></pre><p>To view, visit <a href="https://gerrit.osmocom.org/c/osmo-bts/+/25534">change 25534</a>. To unsubscribe, or for help writing mail filters, visit <a href="https://gerrit.osmocom.org/settings">settings</a>.</p><div itemscope itemtype="http://schema.org/EmailMessage"><div itemscope itemprop="action" itemtype="http://schema.org/ViewAction"><link itemprop="url" href="https://gerrit.osmocom.org/c/osmo-bts/+/25534"/><meta itemprop="name" content="View Change"/></div></div>

<div style="display:none"> Gerrit-Project: osmo-bts </div>
<div style="display:none"> Gerrit-Branch: master </div>
<div style="display:none"> Gerrit-Change-Id: I734c66e236bf3e2015a4571ea1fd84849a9ef02c </div>
<div style="display:none"> Gerrit-Change-Number: 25534 </div>
<div style="display:none"> Gerrit-PatchSet: 1 </div>
<div style="display:none"> Gerrit-Owner: pespin <pespin@sysmocom.de> </div>
<div style="display:none"> Gerrit-MessageType: newchange </div>