osmith has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/38382?usp=email ) Change subject: ggsn: add test TC_pdp4_clients_interact_with_ext_hdr ...................................................................... ggsn: add test TC_pdp4_clients_interact_with_ext_hdr Related: OS#6223 Change-Id: Ic767f8b50f034171d71cae16512d1d26a07b24bf --- M ggsn_tests/GGSN_Tests.ttcn 1 file changed, 36 insertions(+), 2 deletions(-) git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks refs/changes/82/38382/1 diff --git a/ggsn_tests/GGSN_Tests.ttcn b/ggsn_tests/GGSN_Tests.ttcn index e88ab80..5cac964 100644 --- a/ggsn_tests/GGSN_Tests.ttcn +++ b/ggsn_tests/GGSN_Tests.ttcn @@ -144,7 +144,13 @@ var uint16_t g_d_seq_nr; port TELNETasp_PT GGSNVTY; + + /* gtpu_hdr_opt_part has 3GPP TS 29.060 § 6 GTP header optional + * fields and § 6.1 extension headers. When use_gtpu_txseq is + * set, the Sequence Number gets set automatically. */ + var template (omit) GTPU_Header_optional_part gtpu_hdr_opt_part := omit; var boolean use_gtpu_txseq := false; + var integer g_use_echo_intval := 0; /* 0 = disabled */ /* Emulated PCRF, used with m_ggsn_impl = GGSN_IMPL_OPEN5GS */ @@ -399,10 +405,15 @@ /* send GTP-U for a given context and increment sequence number */ function f_send_gtpu(inout PdpContext ctx, in octetstring data) runs on GT_CT { - var template (omit) GTPU_Header_optional_part opt_part; + var template (omit) GTPU_Header_optional_part opt_part := gtpu_hdr_opt_part; if (use_gtpu_txseq) { - opt_part := f_GTPU_opt_part_from_seq(g_d_seq_nr); + if (istemplatekind(opt_part, "omit")) { + opt_part := f_GTPU_opt_part_from_seq(g_d_seq_nr); + } else { + opt_part.sequenceNumber := int2oct(g_d_seq_nr, 2); + } + g_d_seq_nr := (g_d_seq_nr + 1) mod 65536; } @@ -1403,6 +1414,7 @@ /* Validate if different clients (pdp ctx) can reach one another through GGSN. */ testcase TC_pdp4_clients_interact_with_txseq() runs on GT_CT { use_gtpu_txseq := true; + gtpu_hdr_opt_part := omit; f_pdp4_clients_interact(); f_shutdown_helper(); } @@ -1410,6 +1422,27 @@ /* Validate if different clients (pdp ctx) can reach one another through GGSN (without Tx sequence number). */ testcase TC_pdp4_clients_interact_without_txseq() runs on GT_CT { use_gtpu_txseq := false; + gtpu_hdr_opt_part := omit; + f_pdp4_clients_interact(); + f_shutdown_helper(); + } + + /* Validate if different clients (pdp ctx) can reach one another through + * GGSN (with GTPU extension header, OS#6223) */ + testcase TC_pdp4_clients_interact_with_ext_hdr() runs on GT_CT { + use_gtpu_txseq := false; + gtpu_hdr_opt_part := { + sequenceNumber := '0000'O, + npduNumber := '00'O, + nextExtHeader := 'C0'O, /* PDCP PDU number */ + gTPU_extensionHeader_List := { + { + lengthfield := 1, + content := '0001'O, + nextExtHeader := '00'O + } + } + }; f_pdp4_clients_interact(); f_shutdown_helper(); } @@ -2283,6 +2316,7 @@ execute(TC_pdp4_act_deact_gtpu_access_ipv6_apn4()); execute(TC_pdp4_clients_interact_with_txseq()); execute(TC_pdp4_clients_interact_without_txseq()); + execute(TC_pdp4_clients_interact_with_ext_hdr()); execute(TC_pdp4_act_deact_with_single_dns()); execute(TC_pdp4_act_deact_with_separate_dns()); execute(TC_pdp4_act_update_teic()); -- To view, visit https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/38382?usp=email To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings?usp=email Gerrit-MessageType: newchange Gerrit-Project: osmo-ttcn3-hacks Gerrit-Branch: master Gerrit-Change-Id: Ic767f8b50f034171d71cae16512d1d26a07b24bf Gerrit-Change-Number: 38382 Gerrit-PatchSet: 1 Gerrit-Owner: osmith <osmith(a)sysmocom.de>