<p>daniel <strong>submitted</strong> this change.</p><p><a href="https://gerrit.osmocom.org/c/osmo-sgsn/+/22252">View Change</a></p><div style="white-space:pre-wrap">Approvals:
Jenkins Builder: Verified
lynxis lazus: Looks good to me, approved
laforge: Looks good to me, but someone else must approve
</div><pre style="font-family: monospace,monospace; white-space: pre-wrap;">gbproxy: Use IMSI cache to handle PAGING_PS_REJECT<br><br>Change-Id: I7d91d9ecfba757dc81edcf05efb7a2158348099d<br>Related: OS#4472, OS#4951<br>---<br>M src/gbproxy/gb_proxy.c<br>1 file changed, 23 insertions(+), 0 deletions(-)<br><br></pre><pre style="font-family: monospace,monospace; white-space: pre-wrap;"><span>diff --git a/src/gbproxy/gb_proxy.c b/src/gbproxy/gb_proxy.c</span><br><span>index d8bca58..44a9008 100644</span><br><span>--- a/src/gbproxy/gb_proxy.c</span><br><span>+++ b/src/gbproxy/gb_proxy.c</span><br><span>@@ -934,6 +934,20 @@</span><br><span> goto err_no_bvc;</span><br><span> gbprox_bss2sgsn_tlli(from_bvc->cell, msg, &tlli, true);</span><br><span> break;</span><br><span style="color: hsl(120, 100%, 40%);">+ case BSSGP_PDUT_PAGING_PS_REJECT:</span><br><span style="color: hsl(120, 100%, 40%);">+ {</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Route according to IMSI<->NSE cache entry */</span><br><span style="color: hsl(120, 100%, 40%);">+ struct osmo_mobile_identity mi;</span><br><span style="color: hsl(120, 100%, 40%);">+ const uint8_t *mi_data = TLVP_VAL(&tp, BSSGP_IE_IMSI);</span><br><span style="color: hsl(120, 100%, 40%);">+ uint8_t mi_len = TLVP_LEN(&tp, BSSGP_IE_IMSI);</span><br><span style="color: hsl(120, 100%, 40%);">+ osmo_mobile_identity_decode(&mi, mi_data, mi_len, false);</span><br><span style="color: hsl(120, 100%, 40%);">+ nse = gbproxy_nse_by_imsi(nse->cfg, mi.imsi);</span><br><span style="color: hsl(120, 100%, 40%);">+ if (!nse) {</span><br><span style="color: hsl(120, 100%, 40%);">+ return bssgp_tx_status(BSSGP_CAUSE_INV_MAND_INF, NULL, msg);</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+ rc = gbprox_relay2nse(msg, nse, 0);</span><br><span style="color: hsl(120, 100%, 40%);">+ break;</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span> default:</span><br><span> LOGPNSE(nse, LOGL_ERROR, "Rx %s: Implementation missing\n", pdut_name);</span><br><span> break;</span><br><span>@@ -1135,6 +1149,15 @@</span><br><span> rc = gbprox_relay2peer(msg, sgsn_bvc->cell->bss_bvc, ns_bvci);</span><br><span> break;</span><br><span> case BSSGP_PDUT_PAGING_PS:</span><br><span style="color: hsl(120, 100%, 40%);">+ {</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Cache the IMSI<->NSE to route PAGING REJECT */</span><br><span style="color: hsl(120, 100%, 40%);">+ struct osmo_mobile_identity mi;</span><br><span style="color: hsl(120, 100%, 40%);">+ const uint8_t *mi_data = TLVP_VAL(&tp, BSSGP_IE_IMSI);</span><br><span style="color: hsl(120, 100%, 40%);">+ uint8_t mi_len = TLVP_LEN(&tp, BSSGP_IE_IMSI);</span><br><span style="color: hsl(120, 100%, 40%);">+ osmo_mobile_identity_decode(&mi, mi_data, mi_len, false);</span><br><span style="color: hsl(120, 100%, 40%);">+ gbproxy_imsi_cache_update(nse, mi.imsi);</span><br><span style="color: hsl(120, 100%, 40%);">+ /* fall through */</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span> case BSSGP_PDUT_PAGING_CS:</span><br><span> /* process the paging request (LAI/RAI lookup) */</span><br><span> rc = gbprox_rx_paging(nse, msg, pdut_name, &tp, ns_bvci);</span><br><span></span><br></pre><p>To view, visit <a href="https://gerrit.osmocom.org/c/osmo-sgsn/+/22252">change 22252</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-sgsn/+/22252"/><meta itemprop="name" content="View Change"/></div></div>
<div style="display:none"> Gerrit-Project: osmo-sgsn </div>
<div style="display:none"> Gerrit-Branch: master </div>
<div style="display:none"> Gerrit-Change-Id: I7d91d9ecfba757dc81edcf05efb7a2158348099d </div>
<div style="display:none"> Gerrit-Change-Number: 22252 </div>
<div style="display:none"> Gerrit-PatchSet: 2 </div>
<div style="display:none"> Gerrit-Owner: daniel <dwillmann@sysmocom.de> </div>
<div style="display:none"> Gerrit-Reviewer: Jenkins Builder </div>
<div style="display:none"> Gerrit-Reviewer: daniel <dwillmann@sysmocom.de> </div>
<div style="display:none"> Gerrit-Reviewer: laforge <laforge@osmocom.org> </div>
<div style="display:none"> Gerrit-Reviewer: lynxis lazus <lynxis@fe80.eu> </div>
<div style="display:none"> Gerrit-MessageType: merged </div>