<p>Max has uploaded this change for <strong>review</strong>.</p><p><a href="https://gerrit.osmocom.org/11826">View Change</a></p><pre style="font-family: monospace,monospace; white-space: pre-wrap;">LCLS: add gsm0808_create_ass_ext()<br><br>It allows setting additional assingment parameters explicitly.<br><br>Change-Id: Id89765df3f8c12f55f73f1d7a9d90c8883eb3bba<br>Related: OS#2487<br>---<br>M include/osmocom/gsm/gsm0808.h<br>M src/gsm/gsm0808.c<br>M src/gsm/libosmogsm.map<br>M tests/gsm0808/gsm0808_test.c<br>M tests/gsm0808/gsm0808_test.ok<br>5 files changed, 135 insertions(+), 9 deletions(-)<br><br></pre><pre style="font-family: monospace,monospace; white-space: pre-wrap;">git pull ssh://gerrit.osmocom.org:29418/libosmocore refs/changes/26/11826/1</pre><pre style="font-family: monospace,monospace; white-space: pre-wrap;"><span>diff --git a/include/osmocom/gsm/gsm0808.h b/include/osmocom/gsm/gsm0808.h</span><br><span>index cdbb273..b85908f 100644</span><br><span>--- a/include/osmocom/gsm/gsm0808.h</span><br><span>+++ b/include/osmocom/gsm/gsm0808.h</span><br><span>@@ -60,6 +60,12 @@</span><br><span> const struct sockaddr_storage *ss,</span><br><span> const struct gsm0808_speech_codec_list *scl,</span><br><span> const uint32_t *ci);</span><br><span style="color: hsl(120, 100%, 40%);">+struct msgb *gsm0808_create_ass_ext(const struct gsm0808_channel_type *ct,</span><br><span style="color: hsl(120, 100%, 40%);">+ const uint16_t *cic,</span><br><span style="color: hsl(120, 100%, 40%);">+ const struct sockaddr_storage *ss,</span><br><span style="color: hsl(120, 100%, 40%);">+ const struct gsm0808_speech_codec_list *scl,</span><br><span style="color: hsl(120, 100%, 40%);">+ const uint32_t *ci,</span><br><span style="color: hsl(120, 100%, 40%);">+ const uint8_t *kc, const struct osmo_lcls *lcls);</span><br><span> struct msgb *gsm0808_create_ass_compl(uint8_t rr_cause, uint8_t chosen_channel,</span><br><span> uint8_t encr_alg_id, uint8_t speech_mode,</span><br><span> const struct sockaddr_storage *ss,</span><br><span>diff --git a/src/gsm/gsm0808.c b/src/gsm/gsm0808.c</span><br><span>index e5c3e30..caf37a9 100644</span><br><span>--- a/src/gsm/gsm0808.c</span><br><span>+++ b/src/gsm/gsm0808.c</span><br><span>@@ -400,18 +400,21 @@</span><br><span> return msg;</span><br><span> }</span><br><span> </span><br><span style="color: hsl(0, 100%, 40%);">-/*! Create BSSMAP Assignment Request message</span><br><span style="color: hsl(120, 100%, 40%);">+/*! Create BSSMAP Assignment Request message, 3GPP TS 48.008 §3.2.1.1</span><br><span> * \param[in] ct Channel Type</span><br><span> * \param[in] cic Circuit Identity Code (Classic A only)</span><br><span> * \param[in] ss Socket Address of MSC-side RTP socket (AoIP only)</span><br><span> * \param[in] scl Speech Codec List (AoIP only)</span><br><span style="color: hsl(0, 100%, 40%);">- * \param[in] ci Call Identifier (Optional, LCLS)</span><br><span style="color: hsl(120, 100%, 40%);">+ * \param[in] ci Call Identifier (Optional, LCLS), §3.2.2.105</span><br><span style="color: hsl(120, 100%, 40%);">+ * \param[in] kc Kc128 ciphering key (Optional, A5/4), §3.2.2.109</span><br><span style="color: hsl(120, 100%, 40%);">+ * \param[in] lcls Optional LCLS parameters</span><br><span> * \returns callee-allocated msgb with BSSMAP Assignment Request message */</span><br><span style="color: hsl(0, 100%, 40%);">-struct msgb *gsm0808_create_ass(const struct gsm0808_channel_type *ct,</span><br><span style="color: hsl(0, 100%, 40%);">- const uint16_t *cic,</span><br><span style="color: hsl(0, 100%, 40%);">- const struct sockaddr_storage *ss,</span><br><span style="color: hsl(0, 100%, 40%);">- const struct gsm0808_speech_codec_list *scl,</span><br><span style="color: hsl(0, 100%, 40%);">- const uint32_t *ci)</span><br><span style="color: hsl(120, 100%, 40%);">+struct msgb *gsm0808_create_ass_ext(const struct gsm0808_channel_type *ct,</span><br><span style="color: hsl(120, 100%, 40%);">+ const uint16_t *cic,</span><br><span style="color: hsl(120, 100%, 40%);">+ const struct sockaddr_storage *ss,</span><br><span style="color: hsl(120, 100%, 40%);">+ const struct gsm0808_speech_codec_list *scl,</span><br><span style="color: hsl(120, 100%, 40%);">+ const uint32_t *ci,</span><br><span style="color: hsl(120, 100%, 40%);">+ const uint8_t *kc, const struct osmo_lcls *lcls)</span><br><span> {</span><br><span> /* See also: 3GPP TS 48.008 3.2.1.1 ASSIGNMENT REQUEST */</span><br><span> struct msgb *msg;</span><br><span>@@ -452,8 +455,33 @@</span><br><span> /* AoIP: Call Identifier 3.2.2.105 */</span><br><span> if (ci) {</span><br><span> ci_sw = osmo_htonl(*ci);</span><br><span style="color: hsl(0, 100%, 40%);">- msgb_tv_fixed_put(msg, GSM0808_IE_CALL_ID, sizeof(ci_sw),</span><br><span style="color: hsl(0, 100%, 40%);">- (uint8_t *) & ci_sw);</span><br><span style="color: hsl(120, 100%, 40%);">+ msgb_tv_fixed_put(msg, GSM0808_IE_CALL_ID, sizeof(ci_sw), (uint8_t *) & ci_sw);</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ if (kc) {</span><br><span style="color: hsl(120, 100%, 40%);">+ msgb_tv_fixed_put(msg, GSM0808_IE_KC_128, 16, kc);</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ if (lcls) {</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* LCLS: §3.2.2.115 Global Call Reference */</span><br><span style="color: hsl(120, 100%, 40%);">+ if (lcls->gcr) {</span><br><span style="color: hsl(120, 100%, 40%);">+ struct msgb *g = gsm0808_create_gcr(lcls->gcr);</span><br><span style="color: hsl(120, 100%, 40%);">+ msgb_tlv_put(msg, GSM0808_IE_GLOBAL_CALL_REF, msgb_length(g), msgb_data(g));</span><br><span style="color: hsl(120, 100%, 40%);">+ msgb_free(g);</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* LCLS: §3.2.2.116 Configuration */</span><br><span style="color: hsl(120, 100%, 40%);">+ if (lcls->config != GSM0808_LCLS_CFG_NA)</span><br><span style="color: hsl(120, 100%, 40%);">+ msgb_tv_put(msg, GSM0808_IE_LCLS_CONFIG, lcls->config);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* LCLS: §3.2.2.117 Connection Status Control */</span><br><span style="color: hsl(120, 100%, 40%);">+ if (lcls->control != GSM0808_LCLS_CSC_NA)</span><br><span style="color: hsl(120, 100%, 40%);">+ msgb_tv_put(msg, GSM0808_IE_LCLS_CONN_STATUS_CTRL, lcls->control);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* LCLS: §3.2.2.118 Correlation-Not-Needed */</span><br><span style="color: hsl(120, 100%, 40%);">+ if (!lcls->corr_needed)</span><br><span style="color: hsl(120, 100%, 40%);">+ msgb_v_put(msg, GSM0808_IE_LCLS_CORR_NOT_NEEDED);</span><br><span> }</span><br><span> </span><br><span> /* push the bssmap header */</span><br><span>@@ -463,6 +491,22 @@</span><br><span> return msg;</span><br><span> }</span><br><span> </span><br><span style="color: hsl(120, 100%, 40%);">+/*! Create BSSMAP Assignment Request message</span><br><span style="color: hsl(120, 100%, 40%);">+ * \param[in] ct Channel Type</span><br><span style="color: hsl(120, 100%, 40%);">+ * \param[in] cic Circuit Identity Code (Classic A only)</span><br><span style="color: hsl(120, 100%, 40%);">+ * \param[in] ss Socket Address of MSC-side RTP socket (AoIP only)</span><br><span style="color: hsl(120, 100%, 40%);">+ * \param[in] scl Speech Codec List (AoIP only)</span><br><span style="color: hsl(120, 100%, 40%);">+ * \param[in] ci Call Identifier (Optional, LCLS)</span><br><span style="color: hsl(120, 100%, 40%);">+ * \returns callee-allocated msgb with BSSMAP Assignment Request message */</span><br><span style="color: hsl(120, 100%, 40%);">+struct msgb *gsm0808_create_ass(const struct gsm0808_channel_type *ct,</span><br><span style="color: hsl(120, 100%, 40%);">+ const uint16_t *cic,</span><br><span style="color: hsl(120, 100%, 40%);">+ const struct sockaddr_storage *ss,</span><br><span style="color: hsl(120, 100%, 40%);">+ const struct gsm0808_speech_codec_list *scl,</span><br><span style="color: hsl(120, 100%, 40%);">+ const uint32_t *ci)</span><br><span style="color: hsl(120, 100%, 40%);">+{</span><br><span style="color: hsl(120, 100%, 40%);">+ return gsm0808_create_ass_ext(ct, cic, ss, scl, ci, NULL, NULL);</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span> /*! Create BSSMAP Assignment Completed message</span><br><span> * \param[in] rr_cause GSM 04.08 RR Cause value</span><br><span> * \param[in] chosen_channel Chosen Channel</span><br><span>diff --git a/src/gsm/libosmogsm.map b/src/gsm/libosmogsm.map</span><br><span>index 4813e13..82ec8d4 100644</span><br><span>--- a/src/gsm/libosmogsm.map</span><br><span>+++ b/src/gsm/libosmogsm.map</span><br><span>@@ -149,6 +149,7 @@</span><br><span> gsm0808_bssmap_name;</span><br><span> gsm0808_cause_name;</span><br><span> gsm0808_create_ass;</span><br><span style="color: hsl(120, 100%, 40%);">+gsm0808_create_ass_ext;</span><br><span> gsm0808_create_assignment_completed;</span><br><span> gsm0808_create_ass_compl;</span><br><span> gsm0808_create_assignment_failure;</span><br><span>diff --git a/tests/gsm0808/gsm0808_test.c b/tests/gsm0808/gsm0808_test.c</span><br><span>index 671b839..869fe97 100644</span><br><span>--- a/tests/gsm0808/gsm0808_test.c</span><br><span>+++ b/tests/gsm0808/gsm0808_test.c</span><br><span>@@ -344,6 +344,79 @@</span><br><span> msgb_free(msg);</span><br><span> }</span><br><span> </span><br><span style="color: hsl(120, 100%, 40%);">+static void test_create_ass_ext()</span><br><span style="color: hsl(120, 100%, 40%);">+{</span><br><span style="color: hsl(120, 100%, 40%);">+ static const uint8_t res[] = { 0x00, 0x45, 0x01, 0x0b, 0x04, 0x01, 0x0b, 0x91, 0x15, 0x01, 0x00, 0x04,</span><br><span style="color: hsl(120, 100%, 40%);">+ GSM0808_IE_AOIP_TRASP_ADDR,</span><br><span style="color: hsl(120, 100%, 40%);">+ 0x06,</span><br><span style="color: hsl(120, 100%, 40%);">+ 0xac, 0x0c, 0x65, 0x0d, /* IPv4 */</span><br><span style="color: hsl(120, 100%, 40%);">+ 0x02, 0x9a,</span><br><span style="color: hsl(120, 100%, 40%);">+ GSM0808_IE_SPEECH_CODEC_LIST,</span><br><span style="color: hsl(120, 100%, 40%);">+ 0x07,</span><br><span style="color: hsl(120, 100%, 40%);">+ GSM0808_SCT_FR3 | 0x50,</span><br><span style="color: hsl(120, 100%, 40%);">+ 0xef, 0xcd,</span><br><span style="color: hsl(120, 100%, 40%);">+ GSM0808_SCT_FR2 | 0xa0,</span><br><span style="color: hsl(120, 100%, 40%);">+ 0x9f,</span><br><span style="color: hsl(120, 100%, 40%);">+ GSM0808_SCT_CSD | 0x90,</span><br><span style="color: hsl(120, 100%, 40%);">+ 0xc0,</span><br><span style="color: hsl(120, 100%, 40%);">+ GSM0808_IE_CALL_ID,</span><br><span style="color: hsl(120, 100%, 40%);">+ 0xde, 0xad, 0xfa, 0xce,</span><br><span style="color: hsl(120, 100%, 40%);">+ 0x83, 0x45, 0x45, 0x45, 0x45, 0x45, 0x45, 0x45, 0x45, 0x45, 0x45, 0x45, 0x45, 0x45, 0x45, 0x45, 0x45, /* Kc */</span><br><span style="color: hsl(120, 100%, 40%);">+ GSM0808_IE_GLOBAL_CALL_REF, 0x0d, /*GCR, length */</span><br><span style="color: hsl(120, 100%, 40%);">+ 0x03, 0x44, 0x44, 0x44, /* GCR, Net ID */</span><br><span style="color: hsl(120, 100%, 40%);">+ 0x02, 0xfe, 0xed, /* GCR, Node ID */</span><br><span style="color: hsl(120, 100%, 40%);">+ 0x05, 0x41, 0x41, 0x41, 0x41, 0x41, /* GCR, Call ref. ID */</span><br><span style="color: hsl(120, 100%, 40%);">+ GSM0808_IE_LCLS_CONFIG, GSM0808_LCLS_CFG_BOTH_WAY,</span><br><span style="color: hsl(120, 100%, 40%);">+ GSM0808_IE_LCLS_CONN_STATUS_CTRL, GSM0808_LCLS_CSC_CONNECT,</span><br><span style="color: hsl(120, 100%, 40%);">+ GSM0808_IE_LCLS_CORR_NOT_NEEDED,</span><br><span style="color: hsl(120, 100%, 40%);">+ };</span><br><span style="color: hsl(120, 100%, 40%);">+ struct msgb *msg;</span><br><span style="color: hsl(120, 100%, 40%);">+ struct gsm0808_channel_type ct;</span><br><span style="color: hsl(120, 100%, 40%);">+ uint16_t cic = 4;</span><br><span style="color: hsl(120, 100%, 40%);">+ struct sockaddr_storage ss;</span><br><span style="color: hsl(120, 100%, 40%);">+ struct sockaddr_in sin;</span><br><span style="color: hsl(120, 100%, 40%);">+ struct gsm0808_speech_codec_list sc_list;</span><br><span style="color: hsl(120, 100%, 40%);">+ uint32_t call_id = 0xDEADFACE;</span><br><span style="color: hsl(120, 100%, 40%);">+ struct gsm0808_gcr gcr = { .net_len = 3, .node = 0xFEED };</span><br><span style="color: hsl(120, 100%, 40%);">+ uint8_t Kc[16], net[gcr.net_len], cr[5];</span><br><span style="color: hsl(120, 100%, 40%);">+ struct osmo_lcls lcls = {</span><br><span style="color: hsl(120, 100%, 40%);">+ .config = GSM0808_LCLS_CFG_BOTH_WAY,</span><br><span style="color: hsl(120, 100%, 40%);">+ .control = GSM0808_LCLS_CSC_CONNECT,</span><br><span style="color: hsl(120, 100%, 40%);">+ .gcr = &gcr,</span><br><span style="color: hsl(120, 100%, 40%);">+ .corr_needed = false</span><br><span style="color: hsl(120, 100%, 40%);">+ };</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ gcr.net = net;</span><br><span style="color: hsl(120, 100%, 40%);">+ gcr.cr = cr;</span><br><span style="color: hsl(120, 100%, 40%);">+ memset(cr, 'A', 5);</span><br><span style="color: hsl(120, 100%, 40%);">+ memset(net, 'D', gcr.net_len);</span><br><span style="color: hsl(120, 100%, 40%);">+ memset(Kc, 'E', 16);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ memset(&ct, 0, sizeof(ct));</span><br><span style="color: hsl(120, 100%, 40%);">+ ct.ch_indctr = GSM0808_CHAN_SPEECH;</span><br><span style="color: hsl(120, 100%, 40%);">+ ct.ch_rate_type = GSM0808_SPEECH_HALF_PREF;</span><br><span style="color: hsl(120, 100%, 40%);">+ ct.perm_spch[0] = GSM0808_PERM_FR2;</span><br><span style="color: hsl(120, 100%, 40%);">+ ct.perm_spch[1] = GSM0808_PERM_HR2;</span><br><span style="color: hsl(120, 100%, 40%);">+ ct.perm_spch_len = 2;</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ memset(&sin, 0, sizeof(sin));</span><br><span style="color: hsl(120, 100%, 40%);">+ sin.sin_family = AF_INET;</span><br><span style="color: hsl(120, 100%, 40%);">+ sin.sin_port = htons(666);</span><br><span style="color: hsl(120, 100%, 40%);">+ inet_aton("172.12.101.13", &sin.sin_addr);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ memset(&ss, 0, sizeof(ss));</span><br><span style="color: hsl(120, 100%, 40%);">+ memcpy(&ss, &sin, sizeof(sin));</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ setup_codec_list(&sc_list);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ printf("Testing creating extended Assignment Request\n");</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ msg = gsm0808_create_ass_ext(&ct, &cic, &ss, &sc_list, &call_id, Kc, &lcls);</span><br><span style="color: hsl(120, 100%, 40%);">+ OSMO_ASSERT(msg);</span><br><span style="color: hsl(120, 100%, 40%);">+ VERIFY(msg, res, ARRAY_SIZE(res));</span><br><span style="color: hsl(120, 100%, 40%);">+ msgb_free(msg);</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span> static void test_create_ass_compl()</span><br><span> {</span><br><span> static const uint8_t res1[] = {</span><br><span>@@ -1741,6 +1814,7 @@</span><br><span> test_create_cm_u();</span><br><span> test_create_sapi_reject();</span><br><span> test_create_ass();</span><br><span style="color: hsl(120, 100%, 40%);">+ test_create_ass_ext();</span><br><span> test_create_ass_compl();</span><br><span> test_create_ass_compl_aoip();</span><br><span> test_create_ass_fail();</span><br><span>diff --git a/tests/gsm0808/gsm0808_test.ok b/tests/gsm0808/gsm0808_test.ok</span><br><span>index 58bc509..89704c9 100644</span><br><span>--- a/tests/gsm0808/gsm0808_test.ok</span><br><span>+++ b/tests/gsm0808/gsm0808_test.ok</span><br><span>@@ -11,6 +11,7 @@</span><br><span> Testing creating CM U</span><br><span> Testing creating SAPI Reject</span><br><span> Testing creating Assignment Request</span><br><span style="color: hsl(120, 100%, 40%);">+Testing creating extended Assignment Request</span><br><span> Testing creating Assignment Complete</span><br><span> Testing creating Assignment Complete (AoIP)</span><br><span> Testing creating Assignment Failure</span><br><span></span><br></pre><p>To view, visit <a href="https://gerrit.osmocom.org/11826">change 11826</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/11826"/><meta itemprop="name" content="View Change"/></div></div>
<div style="display:none"> Gerrit-Project: libosmocore </div>
<div style="display:none"> Gerrit-Branch: master </div>
<div style="display:none"> Gerrit-MessageType: newchange </div>
<div style="display:none"> Gerrit-Change-Id: Id89765df3f8c12f55f73f1d7a9d90c8883eb3bba </div>
<div style="display:none"> Gerrit-Change-Number: 11826 </div>
<div style="display:none"> Gerrit-PatchSet: 1 </div>
<div style="display:none"> Gerrit-Owner: Max <msuraev@sysmocom.de> </div>