October 2026 - gerrit-log - lists.osmocom.org

[L] Change in libosmo-sigtran[master]: sccp: Introduce N-DISCONNECT.req Release/Refusal reason
by pespin 02 Oct '26

02 Oct '26

pespin has uploaded this change for review. ( https://gerrit.osmocom.org/c/libosmo-sigtran/+/43763?usp=email ) Change subject: sccp: Introduce N-DISCONNECT.req Release/Refusal reason ...................................................................... sccp: Introduce N-DISCONNECT.req Release/Refusal reason N-DISCONNECT.req has a "Reason" Parameter. the "Reason" Parameter is mandatory according to Table 6/Q.711. The options possible for the "Reason" can be found in ITU Q.711 "6.1.1.2.4 Release phase", and contain no explicit value. That enum is different from the wire-format defined in: * ITU-T Q.713, Section 3.11 Release cause * ITU-T Q.713 Section 3.15 Refusal cause Actually, ITU-T Q.713 "ANNEX A" describes a mapping between the former (N-DISCONNECT.req Reason) and the later (SCCP Release/Refusal cause). Use that table to translate as much as possible between the two (despite the mapping is described as being one-to-one, well, it leaves a lot to interpretation due to missing enums, N-to-M mappings, etc.). Related: OS#2601 Change-Id: I158463c2e9b34abe06554371d628e4fa7ea8c5c1 --- M include/osmocom/sigtran/sccp_sap.h M src/sccp_connection.c M src/sccp_sap.c M src/sccp_scoc.c M src/sccp_scoc_fsm.c M src/sccp_user.h 6 files changed, 422 insertions(+), 5 deletions(-) git pull ssh://gerrit.osmocom.org:29418/libosmo-sigtran refs/changes/63/43763/1 diff --git a/include/osmocom/sigtran/sccp_sap.h b/include/osmocom/sigtran/sccp_sap.h index 7399b3d..d8ee43e 100644 --- a/include/osmocom/sigtran/sccp_sap.h +++ b/include/osmocom/sigtran/sccp_sap.h @@ -137,6 +137,67 @@ OSMO_SCCP_SSN_BSSAP = 254, }; +/* Q.711 6.1.1.2.3, "Table 5/Q.711" and paragrapgs below it */ +enum osmo_sccp_reset_reason_nsp { + OSMO_SCCP_RESET_REASON_NSP_UNSPEC = 0x0, + OSMO_SCCP_RESET_REASON_NSP_LOCAL_SCCP_ORIGIN, +}; + +enum osmo_sccp_reset_reason_nsu { + OSMO_SCCP_RESET_REASON_NSU_USER_SYNCHRONIZATION = 0x0, +}; + +enum osmo_sccp_reset_reason_undefined { + OSMO_SCCP_RESET_REASON_UNDEFINED = 0x0, +}; + +/* Q.711 6.1.1.2.4 1) When the "originator" parameter indicates the "network service provider" */ +enum osmo_sccp_release_reason_nsp { + OSMO_SCCP_REL_REASON_NSP_DISC_NT = 0x100, + OSMO_SCCP_REL_REASON_NSP_DISC_T, + OSMO_SCCP_REL_REASON_NSP_DISC_INVALID_STATE, + OSMO_SCCP_REL_REASON_NSP_DISC_RELEASE_IN_PROGRESS, + OSMO_SCCP_REL_REASON_NSP_CREF_DST_ADDR_UNKNOWN_NT, + OSMO_SCCP_REL_REASON_NSP_CREF_DST_INACC_NT, + OSMO_SCCP_REL_REASON_NSP_CREF_DST_INACC_T, + OSMO_SCCP_REL_REASON_NSP_CREF_QOS_UNAVAIL_NT, + OSMO_SCCP_REL_REASON_NSP_CREF_QOS_UNAVAIL_T, + OSMO_SCCP_REL_REASON_NSP_CREF_REASON_UNSPEC_NT, + OSMO_SCCP_REL_REASON_NSP_CREF_REASON_UNSPEC_T, + OSMO_SCCP_REL_REASON_NSP_CREF_LOCAL_ERROR, + OSMO_SCCP_REL_REASON_NSP_CREF_INVALID_STATE, + OSMO_SCCP_REL_REASON_NSP_CREF_NO_TRANSITION, + OSMO_SCCP_REL_REASON_NSP_CREF_IN_RESTART_PHASE, + OSMO_SCCP_REL_REASON_NSP_CREF_HOP_COUNTER_VIOLATION, +}; + +/* Q.711 6.1.1.2.4 2) When the "originator" parameter indicates the "network service user" */ +enum osmo_sccp_release_reason_nsu { + OSMO_SCCP_REL_REASON_NSU_DISC_NORMAL = 0x100, + OSMO_SCCP_REL_REASON_NSU_DISC_ABNORMAL, + OSMO_SCCP_REL_REASON_NSU_DISC_END_USER_CONGESTION, + OSMO_SCCP_REL_REASON_NSU_DISC_END_USER_FAILURE, + OSMO_SCCP_REL_REASON_NSU_DISC_SCCP_USER_ORIGIN, + OSMO_SCCP_REL_REASON_NSU_DISC_ACCESS_CONGESTION, + OSMO_SCCP_REL_REASON_NSU_DISC_ACCESS_FAILURE, + OSMO_SCCP_REL_REASON_NSU_DISC_SUBSYS_CONGESTION, + OSMO_SCCP_REL_REASON_NSU_CREF_NT_CONDITION, + OSMO_SCCP_REL_REASON_NSU_CREF_T_CONDITION, + OSMO_SCCP_REL_REASON_NSU_CREF_INCOMPAT_INFO_NSDU, + OSMO_SCCP_REL_REASON_NSU_CREF_END_USER_ORIGIN, + OSMO_SCCP_REL_REASON_NSU_CREF_END_USER_CONGESTION, + OSMO_SCCP_REL_REASON_NSU_CREF_END_USER_FAILURE, + OSMO_SCCP_REL_REASON_NSU_CREF_SCCP_USER_ORIGINATED, + OSMO_SCCP_REL_REASON_NSU_CREF_ACCESS_CONGESTION, + OSMO_SCCP_REL_REASON_NSU_CREF_ACCESS_FAILURE, + OSMO_SCCP_REL_REASON_NSU_CREF_SUBSYS_CONGESTION, +}; + +/* Q.711 6.1.1.2.4 2) When the "originator" parameter indicates the "network service user" */ +enum osmo_sccp_release_reason_undefined { + OSMO_SCCP_REL_REASON_UNDEFINED = 0x100, +}; + /* Q.711 6.3.2.2.5 Signalling point status */ enum osmo_sccp_sp_status { OSMO_SCCP_SP_S_INACCESSIBLE = 1, @@ -222,6 +283,8 @@ struct osmo_scu_disconn_param { enum osmo_sccp_originator originator; struct osmo_sccp_addr responding_addr; + /* enum osmo_sccp_release_reason_* (value > 19), + * enum sccp_refusal_cause (ITU-T Q.713 Section 3.15 Refusal cause) value <= 19, backward compatibility */ uint32_t cause; uint32_t conn_id; uint32_t importance; @@ -231,6 +294,7 @@ /* OSMO_SCU_PRIM_N_RESET */ struct osmo_scu_reset_param { enum osmo_sccp_originator originator; + /* enum osmo_sccp_reset_reason_*, "Table 5/Q.711" and paragraphs below it */ uint32_t cause; uint32_t conn_id; }; diff --git a/src/sccp_connection.c b/src/sccp_connection.c index 10c2760..abf13d0 100644 --- a/src/sccp_connection.c +++ b/src/sccp_connection.c @@ -231,6 +231,7 @@ struct osmo_scu_connect_param *uconp; struct osmo_scu_data_param *udatp; struct xua_msg_part *data_ie; + uint32_t cause; scu_prim = scu_prim_alloc(primitive, operation); @@ -243,7 +244,19 @@ udisp->originator = OSMO_SCCP_ORIG_UNDEFINED; //udisp->in_sequence_control; if (xua) { - udisp->cause = xua_msg_get_u32(xua, SUA_IEI_CAUSE); + cause = xua_msg_get_u32(xua, SUA_IEI_CAUSE); + switch (cause & SUA_CAUSE_T_MASK) { + case SUA_CAUSE_T_REFUSAL: + sccp_refusal_cause_to_scu_rel_reason(&udisp->originator, &udisp->cause, cause & 0xff); + break; + case SUA_CAUSE_T_RELEASE: + sccp_release_cause_to_scu_rel_reason(&udisp->originator, &udisp->cause, cause & 0xff); + break; + default: + udisp->originator = OSMO_SCCP_ORIG_UNDEFINED; + udisp->cause = OSMO_SCCP_REL_REASON_UNDEFINED; + break; + } if (xua_msg_find_tag(xua, SUA_IEI_SRC_ADDR)) { if (sua_addr_parse(&udisp->responding_addr, xua, SUA_IEI_SRC_ADDR) < 0) { LOGPSCC(conn, LOGL_ERROR, "XUA Message %s without valid SRC_ADDR\n", diff --git a/src/sccp_sap.c b/src/sccp_sap.c index 00b2563..95d2070 100644 --- a/src/sccp_sap.c +++ b/src/sccp_sap.c @@ -25,6 +25,8 @@ #include <osmocom/sigtran/sccp_sap.h> +#include <osmocom/sccp/sccp_types.h> + #include "ss7_instance.h" #include "sccp_connection.h" #include "sccp_scoc_fsm.h" @@ -174,6 +176,337 @@ { 0, NULL } }; +/* Table A.1/Q.713 */ +static enum sccp_refusal_cause scu_rel_reason_nsp_to_sccp_refusal_cause(uint32_t reason) +{ + switch (reason) { + case OSMO_SCCP_REL_REASON_NSP_CREF_DST_ADDR_UNKNOWN_NT: + return SCCP_REFUSAL_DESTINATION_ADDRESS_UKNOWN; + case OSMO_SCCP_REL_REASON_NSP_CREF_DST_INACC_NT: + return SCCP_REFUSAL_SUBSYSTEM_FAILURE; + case OSMO_SCCP_REL_REASON_NSP_CREF_DST_INACC_T: + return SCCP_REFUSAL_DESTINATION_INACCESSIBLE; + case OSMO_SCCP_REL_REASON_NSP_CREF_QOS_UNAVAIL_NT: + return SCCP_REFUSAL_NET_QOS_NON_TRANSIENT; + case OSMO_SCCP_REL_REASON_NSP_CREF_QOS_UNAVAIL_T: + return SCCP_REFUSAL_NET_QOS_TRANSIENT; + case OSMO_SCCP_REL_REASON_NSP_CREF_REASON_UNSPEC_NT: + return SCCP_REFUSAL_UNQUALIFIED; + case OSMO_SCCP_REL_REASON_NSP_CREF_REASON_UNSPEC_T: + return SCCP_REFUSAL_EXPIRATION; + case OSMO_SCCP_REL_REASON_NSP_CREF_HOP_COUNTER_VIOLATION: + return SCCP_REFUSAL_HOP_COUNTER_VIOLATION; + /* Not specified in the table... */ + case OSMO_SCCP_REL_REASON_NSP_DISC_NT: + case OSMO_SCCP_REL_REASON_NSP_DISC_T: + case OSMO_SCCP_REL_REASON_NSP_DISC_INVALID_STATE: + case OSMO_SCCP_REL_REASON_NSP_DISC_RELEASE_IN_PROGRESS: + case OSMO_SCCP_REL_REASON_NSP_CREF_LOCAL_ERROR: + case OSMO_SCCP_REL_REASON_NSP_CREF_INVALID_STATE: + case OSMO_SCCP_REL_REASON_NSP_CREF_NO_TRANSITION: + case OSMO_SCCP_REL_REASON_NSP_CREF_IN_RESTART_PHASE: + default: + return SCCP_REFUSAL_UNQUALIFIED; + } +} + +/* Table A.1/Q.713 */ +static enum sccp_refusal_cause scu_rel_reason_nsu_to_sccp_refusal_cause(uint32_t reason) +{ + switch (reason) { + case OSMO_SCCP_REL_REASON_NSU_CREF_INCOMPAT_INFO_NSDU: + return SCCP_REFUSAL_INCOMPATIBLE_USER_DATA; + case OSMO_SCCP_REL_REASON_NSU_CREF_END_USER_ORIGIN: + return SCCP_REFUSAL_END_USER_ORIGINATED; + case OSMO_SCCP_REL_REASON_NSU_CREF_END_USER_CONGESTION: + return SCCP_REFUSAL_END_USER_CONGESTION; + case OSMO_SCCP_REL_REASON_NSU_CREF_END_USER_FAILURE: + return SCCP_REFUSAL_END_USER_FAILURE; + case OSMO_SCCP_REL_REASON_NSU_CREF_SCCP_USER_ORIGINATED: + return SCCP_REFUSAL_SCCP_USER_ORIGINATED; + case OSMO_SCCP_REL_REASON_NSU_CREF_ACCESS_CONGESTION: + return SCCP_REFUSAL_ACCESS_CONGESTION; + case OSMO_SCCP_REL_REASON_NSU_CREF_ACCESS_FAILURE: + return SCCP_REFUSAL_ACCESS_FAILURE; + case OSMO_SCCP_REL_REASON_NSU_CREF_SUBSYS_CONGESTION: + return SCCP_REFUSAL_SUBSYTEM_CONGESTION; + /* Not specified in the table... */ + case OSMO_SCCP_REL_REASON_NSU_DISC_NORMAL: + case OSMO_SCCP_REL_REASON_NSU_DISC_ABNORMAL: + case OSMO_SCCP_REL_REASON_NSU_DISC_END_USER_CONGESTION: + case OSMO_SCCP_REL_REASON_NSU_DISC_END_USER_FAILURE: + case OSMO_SCCP_REL_REASON_NSU_DISC_SCCP_USER_ORIGIN: + case OSMO_SCCP_REL_REASON_NSU_DISC_ACCESS_CONGESTION: + case OSMO_SCCP_REL_REASON_NSU_DISC_ACCESS_FAILURE: + case OSMO_SCCP_REL_REASON_NSU_DISC_SUBSYS_CONGESTION: + case OSMO_SCCP_REL_REASON_NSU_CREF_NT_CONDITION: + case OSMO_SCCP_REL_REASON_NSU_CREF_T_CONDITION: + default: + return SCCP_REFUSAL_UNQUALIFIED; + } +} + +/* Table A.1/Q.713 */ +enum sccp_refusal_cause scu_rel_reason_to_sccp_refusal_cause(enum osmo_sccp_originator originator, uint32_t reason) +{ + if (reason <= SCCP_REFUSAL_UNEQUIPPED_USER) /* direct wire-format as backward compatibility */ + return (enum sccp_refusal_cause)reason; + + switch (originator) { + case OSMO_SCCP_ORIG_NS_PROVIDER: + return scu_rel_reason_nsp_to_sccp_refusal_cause(reason); + case OSMO_SCCP_ORIG_NS_USER: + return scu_rel_reason_nsu_to_sccp_refusal_cause(reason); + case OSMO_SCCP_ORIG_UNDEFINED: + default: + return SCCP_REFUSAL_UNQUALIFIED; + } +} + +/* Table A.1/Q.713 */ +void sccp_refusal_cause_to_scu_rel_reason(enum osmo_sccp_originator *originator, uint32_t *reason, uint32_t sccp_cause) +{ + switch (sccp_cause) { + case SCCP_REFUSAL_END_USER_ORIGINATED: + *originator = OSMO_SCCP_ORIG_NS_USER; + *reason = OSMO_SCCP_REL_REASON_NSU_CREF_END_USER_ORIGIN; + break; + case SCCP_REFUSAL_END_USER_CONGESTION: + *originator = OSMO_SCCP_ORIG_NS_USER; + *reason = OSMO_SCCP_REL_REASON_NSU_CREF_END_USER_CONGESTION; + break; + case SCCP_REFUSAL_END_USER_FAILURE: + *originator = OSMO_SCCP_ORIG_NS_USER; + *reason = OSMO_SCCP_REL_REASON_NSU_CREF_END_USER_FAILURE; + break; + case SCCP_REFUSAL_SCCP_USER_ORIGINATED: + *originator = OSMO_SCCP_ORIG_NS_USER; + *reason = OSMO_SCCP_REL_REASON_NSU_CREF_SCCP_USER_ORIGINATED; + break; + case SCCP_REFUSAL_DESTINATION_ADDRESS_UKNOWN: + *originator = OSMO_SCCP_ORIG_NS_PROVIDER; + *reason = OSMO_SCCP_REL_REASON_NSP_CREF_DST_ADDR_UNKNOWN_NT; + break; + case SCCP_REFUSAL_DESTINATION_INACCESSIBLE: + *originator = OSMO_SCCP_ORIG_NS_PROVIDER; + *reason = OSMO_SCCP_REL_REASON_NSP_CREF_DST_INACC_T; + break; + case SCCP_REFUSAL_NET_QOS_NON_TRANSIENT: + *originator = OSMO_SCCP_ORIG_NS_PROVIDER; + *reason = OSMO_SCCP_REL_REASON_NSP_CREF_QOS_UNAVAIL_NT; + break; + case SCCP_REFUSAL_NET_QOS_TRANSIENT: + *originator = OSMO_SCCP_ORIG_NS_PROVIDER; + *reason = OSMO_SCCP_REL_REASON_NSP_CREF_QOS_UNAVAIL_T; + break; + case SCCP_REFUSAL_ACCESS_FAILURE: + *originator = OSMO_SCCP_ORIG_NS_USER; + *reason = OSMO_SCCP_REL_REASON_NSU_DISC_ACCESS_FAILURE; + break; + case SCCP_REFUSAL_ACCESS_CONGESTION: + *originator = OSMO_SCCP_ORIG_NS_USER; + *reason = OSMO_SCCP_REL_REASON_NSU_DISC_ACCESS_CONGESTION; + break; + case SCCP_REFUSAL_SUBSYSTEM_FAILURE: + *originator = OSMO_SCCP_ORIG_NS_PROVIDER; + *reason = OSMO_SCCP_REL_REASON_NSP_CREF_DST_INACC_NT; + break; + case SCCP_REFUSAL_SUBSYTEM_CONGESTION: + *originator = OSMO_SCCP_ORIG_NS_USER; + *reason = OSMO_SCCP_REL_REASON_NSU_CREF_SUBSYS_CONGESTION; + break; + case SCCP_REFUSAL_EXPIRATION: + *originator = OSMO_SCCP_ORIG_NS_PROVIDER; + *reason = OSMO_SCCP_REL_REASON_NSP_CREF_REASON_UNSPEC_T; + break; + case SCCP_REFUSAL_INCOMPATIBLE_USER_DATA: + *originator = OSMO_SCCP_ORIG_NS_USER; + *reason = OSMO_SCCP_REL_REASON_NSU_CREF_INCOMPAT_INFO_NSDU; + break; + case SCCP_REFUSAL_UNQUALIFIED: + *originator = OSMO_SCCP_ORIG_NS_PROVIDER; + *reason = OSMO_SCCP_REL_REASON_NSP_CREF_REASON_UNSPEC_T; + break; + case SCCP_REFUSAL_HOP_COUNTER_VIOLATION: + *originator = OSMO_SCCP_ORIG_NS_PROVIDER; + *reason = OSMO_SCCP_REL_REASON_NSP_CREF_HOP_COUNTER_VIOLATION; + break; + case SCCP_REFUSAL_NO_TRANS_FOR_ADDRESS_NATURE: + *originator = OSMO_SCCP_ORIG_NS_PROVIDER; + *reason = OSMO_SCCP_REL_REASON_NSP_CREF_DST_ADDR_UNKNOWN_NT; + break; + case SCCP_REFUSAL_UNEQUIPPED_USER: + *originator = OSMO_SCCP_ORIG_NS_PROVIDER; + *reason = OSMO_SCCP_REL_REASON_NSP_CREF_DST_ADDR_UNKNOWN_NT; + break; + /* Not specified in table... */ + case SCCP_REFUSAL_RESERVED: + case SCCP_REFUSAL_SCCP_FAILURE: + default: + *originator = OSMO_SCCP_ORIG_NS_PROVIDER; + *reason = OSMO_SCCP_REL_REASON_NSP_CREF_REASON_UNSPEC_NT; + break; + } +} + + +/* Table A.2/Q.713 */ +static enum sccp_release_cause scu_rel_reason_nsp_to_sccp_release_cause(uint32_t reason) +{ + switch (reason) { + case OSMO_SCCP_REL_REASON_NSP_DISC_NT: + return SCCP_RELEASE_CAUSE_SUBSYSTEM_FAILURE; + case OSMO_SCCP_REL_REASON_NSP_DISC_T: + return SCCP_RELEASE_CAUSE_REMOTE_PROCEDURE_ERROR; + /* Not specified in the table... */ + case OSMO_SCCP_REL_REASON_NSP_DISC_INVALID_STATE: + case OSMO_SCCP_REL_REASON_NSP_DISC_RELEASE_IN_PROGRESS: + case OSMO_SCCP_REL_REASON_NSP_CREF_DST_ADDR_UNKNOWN_NT: + case OSMO_SCCP_REL_REASON_NSP_CREF_DST_INACC_NT: + case OSMO_SCCP_REL_REASON_NSP_CREF_DST_INACC_T: + case OSMO_SCCP_REL_REASON_NSP_CREF_QOS_UNAVAIL_NT: + case OSMO_SCCP_REL_REASON_NSP_CREF_QOS_UNAVAIL_T: + case OSMO_SCCP_REL_REASON_NSP_CREF_REASON_UNSPEC_NT: + case OSMO_SCCP_REL_REASON_NSP_CREF_REASON_UNSPEC_T: + case OSMO_SCCP_REL_REASON_NSP_CREF_LOCAL_ERROR: + case OSMO_SCCP_REL_REASON_NSP_CREF_INVALID_STATE: + case OSMO_SCCP_REL_REASON_NSP_CREF_NO_TRANSITION: + case OSMO_SCCP_REL_REASON_NSP_CREF_IN_RESTART_PHASE: + case OSMO_SCCP_REL_REASON_NSP_CREF_HOP_COUNTER_VIOLATION: + default: + return SCCP_RELEASE_CAUSE_UNQUALIFIED; + } +} + +/* Table A.2/Q.713 */ +static enum sccp_release_cause scu_rel_reason_nsu_to_sccp_release_cause(uint32_t reason) +{ + switch (reason) { + case OSMO_SCCP_REL_REASON_NSU_DISC_NORMAL: + return SCCP_RELEASE_CAUSE_END_USER_ORIGINATED; + case OSMO_SCCP_REL_REASON_NSU_DISC_ABNORMAL: + return SCCP_RELEASE_CAUSE_UNQUALIFIED; + case OSMO_SCCP_REL_REASON_NSU_DISC_END_USER_CONGESTION: + return SCCP_RELEASE_CAUSE_END_USER_CONGESTION; + case OSMO_SCCP_REL_REASON_NSU_DISC_END_USER_FAILURE: + return SCCP_RELEASE_CAUSE_END_USER_FAILURE; + case OSMO_SCCP_REL_REASON_NSU_DISC_SCCP_USER_ORIGIN: + return SCCP_RELEASE_CAUSE_SCCP_USER_ORIGINATED; + case OSMO_SCCP_REL_REASON_NSU_DISC_ACCESS_CONGESTION: + return SCCP_RELEASE_CAUSE_ACCESS_CONGESTION; + case OSMO_SCCP_REL_REASON_NSU_DISC_ACCESS_FAILURE: + return SCCP_RELEASE_CAUSE_ACCESS_FAILURE; + case OSMO_SCCP_REL_REASON_NSU_CREF_SUBSYS_CONGESTION: + return SCCP_RELEASE_CAUSE_SUBSYSTEM_CONGESTION; + /* Not specified in the table... */ + case OSMO_SCCP_REL_REASON_NSU_DISC_SUBSYS_CONGESTION: + case OSMO_SCCP_REL_REASON_NSU_CREF_NT_CONDITION: + case OSMO_SCCP_REL_REASON_NSU_CREF_T_CONDITION: + case OSMO_SCCP_REL_REASON_NSU_CREF_INCOMPAT_INFO_NSDU: + case OSMO_SCCP_REL_REASON_NSU_CREF_END_USER_ORIGIN: + case OSMO_SCCP_REL_REASON_NSU_CREF_END_USER_CONGESTION: + case OSMO_SCCP_REL_REASON_NSU_CREF_END_USER_FAILURE: + case OSMO_SCCP_REL_REASON_NSU_CREF_SCCP_USER_ORIGINATED: + case OSMO_SCCP_REL_REASON_NSU_CREF_ACCESS_CONGESTION: + case OSMO_SCCP_REL_REASON_NSU_CREF_ACCESS_FAILURE: + default: + return SCCP_RELEASE_CAUSE_UNQUALIFIED; + } +} + +/* Table A.2/Q.713 */ +enum sccp_release_cause scu_rel_reason_to_sccp_release_cause(enum osmo_sccp_originator originator, uint32_t reason) +{ + if (reason <= SCCP_RELEASE_CAUSE_SCCP_FAILURE) /* direct wire-format as backward compatibility */ + return (enum sccp_refusal_cause)reason; + + switch (originator) { + case OSMO_SCCP_ORIG_NS_PROVIDER: + return scu_rel_reason_nsp_to_sccp_release_cause(reason); + case OSMO_SCCP_ORIG_NS_USER: + return scu_rel_reason_nsu_to_sccp_release_cause(reason); + case OSMO_SCCP_ORIG_UNDEFINED: + default: + return SCCP_RELEASE_CAUSE_UNQUALIFIED; + } +} + +void sccp_release_cause_to_scu_rel_reason(enum osmo_sccp_originator *originator, uint32_t *reason, uint32_t sccp_cause) +{ + switch (sccp_cause) { + case SCCP_RELEASE_CAUSE_END_USER_ORIGINATED: + *originator = OSMO_SCCP_ORIG_NS_USER; + *reason = OSMO_SCCP_REL_REASON_NSU_DISC_NORMAL; + break; + case SCCP_RELEASE_CAUSE_END_USER_CONGESTION: + *originator = OSMO_SCCP_ORIG_NS_USER; + *reason = OSMO_SCCP_REL_REASON_NSU_DISC_END_USER_CONGESTION; + break; + case SCCP_RELEASE_CAUSE_END_USER_FAILURE: + *originator = OSMO_SCCP_ORIG_NS_USER; + *reason = OSMO_SCCP_REL_REASON_NSU_DISC_END_USER_FAILURE; + break; + case SCCP_RELEASE_CAUSE_SCCP_USER_ORIGINATED: + *originator = OSMO_SCCP_ORIG_NS_USER; + *reason = OSMO_SCCP_REL_REASON_NSU_CREF_SCCP_USER_ORIGINATED; + break; + case SCCP_RELEASE_CAUSE_REMOTE_PROCEDURE_ERROR: + *originator = OSMO_SCCP_ORIG_NS_PROVIDER; + *reason = OSMO_SCCP_REL_REASON_NSP_DISC_T; + break; + case SCCP_RELEASE_CAUSE_INCONSISTENT_CONN_DATA: + *originator = OSMO_SCCP_ORIG_NS_PROVIDER; + *reason = OSMO_SCCP_REL_REASON_NSP_DISC_T; + break; + case SCCP_RELEASE_CAUSE_ACCESS_FAILURE: + *originator = OSMO_SCCP_ORIG_NS_USER; + *reason = OSMO_SCCP_REL_REASON_NSU_DISC_ACCESS_FAILURE; + break; + case SCCP_RELEASE_CAUSE_ACCESS_CONGESTION: + *originator = OSMO_SCCP_ORIG_NS_USER; + *reason = OSMO_SCCP_REL_REASON_NSU_DISC_ACCESS_CONGESTION; + break; + case SCCP_RELEASE_CAUSE_SUBSYSTEM_FAILURE: + *originator = OSMO_SCCP_ORIG_NS_PROVIDER; + *reason = OSMO_SCCP_REL_REASON_NSP_DISC_NT; + break; + case SCCP_RELEASE_CAUSE_SUBSYSTEM_CONGESTION: + *originator = OSMO_SCCP_ORIG_NS_USER; + *reason = OSMO_SCCP_REL_REASON_NSU_DISC_SUBSYS_CONGESTION; + break; + case SCCP_RELEASE_CAUSE_MTP_FAILURE: + *originator = OSMO_SCCP_ORIG_NS_PROVIDER; + *reason = OSMO_SCCP_REL_REASON_NSP_DISC_NT; + break; + case SCCP_RELEASE_CAUSE_NETWORK_CONGESTION: + *originator = OSMO_SCCP_ORIG_NS_PROVIDER; + *reason = OSMO_SCCP_REL_REASON_NSP_DISC_T; + break; + case SCCP_RELEASE_CAUSE_EXPIRATION_RESET: + *originator = OSMO_SCCP_ORIG_NS_PROVIDER; + *reason = OSMO_SCCP_REL_REASON_NSP_DISC_T; + break; + case SCCP_RELEASE_CAUSE_EXPIRATION_INACTIVE: + *originator = OSMO_SCCP_ORIG_NS_PROVIDER; + *reason = OSMO_SCCP_REL_REASON_NSP_DISC_T; + break; + case SCCP_RELEASE_CAUSE_UNQUALIFIED: + *originator = OSMO_SCCP_ORIG_NS_USER; + *reason = OSMO_SCCP_REL_REASON_NSU_DISC_ABNORMAL; + break; + case SCCP_RELEASE_CAUSE_SCCP_FAILURE: + *originator = OSMO_SCCP_ORIG_NS_PROVIDER; + *reason = OSMO_SCCP_REL_REASON_NSP_DISC_NT; + break; + case SCCP_RELEASE_CAUSE_RESERVED: + default: + *originator = OSMO_SCCP_ORIG_NS_PROVIDER; + *reason = OSMO_SCCP_REL_REASON_NSP_DISC_NT; + break; + } +} + + /* get the Connection ID of the given SCU primitive */ static uint32_t scu_prim_conn_id(const struct osmo_scu_prim *prim) { diff --git a/src/sccp_scoc.c b/src/sccp_scoc.c index 817f785..bbc4ed6 100644 --- a/src/sccp_scoc.c +++ b/src/sccp_scoc.c @@ -338,7 +338,7 @@ xua_msg_add_u32(xua, SUA_IEI_ROUTE_CTX, conn->inst->route_ctx); xua_msg_add_u32(xua, SUA_IEI_DEST_REF, conn->remote_ref); xua_msg_add_u32(xua, SUA_IEI_SRC_REF, conn->conn_id); - xua_msg_add_u32(xua, SUA_IEI_CAUSE, SUA_CAUSE_T_RELEASE | prim->u.disconnect.cause); + xua_msg_add_u32(xua, SUA_IEI_CAUSE, SUA_CAUSE_T_RELEASE | scu_rel_reason_to_sccp_release_cause(prim->u.disconnect.originator, prim->u.disconnect.cause)); /* optional: data */ if (encode_opt_data) xua_msg_add_data(xua, SUA_IEI_DATA, msgb_l2len(prim->oph.msg), msgb_l2(prim->oph.msg)); @@ -373,8 +373,7 @@ xua->hdr = XUA_HDR(SUA_MSGC_CO, SUA_CO_COREF); xua_msg_add_u32(xua, SUA_IEI_ROUTE_CTX, conn->inst->route_ctx); xua_msg_add_u32(xua, SUA_IEI_DEST_REF, conn->remote_ref); - //xua_msg_add_u32(xua, SUA_IEI_CAUSE, SUA_CAUSE_T_REFUSAL | prim->u.disconnect.cause); - xua_msg_add_u32(xua, SUA_IEI_CAUSE, SUA_CAUSE_T_REFUSAL | SCCP_REFUSAL_UNEQUIPPED_USER); + xua_msg_add_u32(xua, SUA_IEI_CAUSE, SUA_CAUSE_T_REFUSAL | scu_rel_reason_to_sccp_refusal_cause(prim->u.disconnect.originator, prim->u.disconnect.cause)); /* optional: source addr */ if (conn->called_addr.presence) xua_msg_add_sccp_addr(xua, SUA_IEI_SRC_ADDR, &conn->called_addr); diff --git a/src/sccp_scoc_fsm.c b/src/sccp_scoc_fsm.c index 1833b89..895435c 100644 --- a/src/sccp_scoc_fsm.c +++ b/src/sccp_scoc_fsm.c @@ -225,7 +225,8 @@ switch (event) { case SCOC_E_SCU_N_DISC_REQ: prim = data; - conn->release_cause = prim->u.disconnect.cause; + conn->release_cause = scu_rel_reason_to_sccp_release_cause(prim->u.disconnect.originator, + prim->u.disconnect.cause); osmo_fsm_inst_state_chg(fi, S_WAIT_CONN_CONF, 0, 0); /* keep conn timer running(!) */ break; diff --git a/src/sccp_user.h b/src/sccp_user.h index 47c8aa4..cb8ec90 100644 --- a/src/sccp_user.h +++ b/src/sccp_user.h @@ -8,6 +8,8 @@ #include <osmocom/sigtran/sccp_sap.h> struct osmo_sccp_instance; +enum sccp_refusal_cause; +enum osmo_sccp_originator; struct osmo_sccp_user { /*! \brief entry in list of sccp users of \ref osmo_sccp_instance */ @@ -38,6 +40,11 @@ int sccp_user_prim_up(struct osmo_sccp_user *scut, struct osmo_scu_prim *prim); +enum sccp_refusal_cause scu_rel_reason_to_sccp_refusal_cause(enum osmo_sccp_originator originator, uint32_t reason); +enum sccp_release_cause scu_rel_reason_to_sccp_release_cause(enum osmo_sccp_originator originator, uint32_t reason); +void sccp_refusal_cause_to_scu_rel_reason(enum osmo_sccp_originator *originator, uint32_t *reason, uint32_t sccp_cause); +void sccp_release_cause_to_scu_rel_reason(enum osmo_sccp_originator *originator, uint32_t *reason, uint32_t sccp_cause); + #define _LOGPSCU(scu, subsys, level, fmt, args ...) \ _LOGPSCI((scu)->inst, subsys, level, "SCU(%s) " fmt, osmo_sccp_user_name(scu), ## args) #define LOGPSCU(scu, level, fmt, args ...) \ -- To view, visit https://gerrit.osmocom.org/c/libosmo-sigtran/+/43763?usp=email To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings?usp=email Gerrit-MessageType: newchange Gerrit-Project: libosmo-sigtran Gerrit-Branch: master Gerrit-Change-Id: I158463c2e9b34abe06554371d628e4fa7ea8c5c1 Gerrit-Change-Number: 43763 Gerrit-PatchSet: 1 Gerrit-Owner: pespin <pespin(a)sysmocom.de>

1 0

[L] Change in osmo-ttcn3-hacks[master]: RSPDefinitions_Templates: use a more realistic data in ts_boundProfil...
by dexter 02 Oct '26

02 Oct '26

dexter has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/43762?usp=email ) Change subject: RSPDefinitions_Templates: use a more realistic data in ts_boundProfilePackage ...................................................................... RSPDefinitions_Templates: use a more realistic data in ts_boundProfilePackage The octetstrings in ts_boundProfilePackage have nothing in common with the reality of a real profile package. Let's replace those strings with data from a real profile download. Change-Id: Ia987f4d802b360b6dd5b3cc400f9e20b215cff9d Related: SYS#8203 --- M library/euicc/RSPDefinitions_Templates.ttcn 1 file changed, 394 insertions(+), 12 deletions(-) git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks refs/changes/62/43762/1 diff --git a/library/euicc/RSPDefinitions_Templates.ttcn b/library/euicc/RSPDefinitions_Templates.ttcn index fac53d7..e8d7532 100644 --- a/library/euicc/RSPDefinitions_Templates.ttcn +++ b/library/euicc/RSPDefinitions_Templates.ttcn @@ -57,21 +57,403 @@ smdpSign := 'AABBCCDDEEFF0000'O }, /* ES8+.ConfigureISDP */ - firstSequenceOf87 := {'41414141414141414141414141414141414141414141414141414141414141'O, - '42424242424242424242424242424242424242424242424242424242424242'O, - '43434343434343434343434343434343434343434343434343434343434343'O}, + firstSequenceOf87 := {'B318A07DA7C25DCEB6537E6A38E46CB71110BD7AA61AF693'O}, /* ES8+.StoreMetadata */ - sequenceOf88 := {'444444444444444444444444444444444444444444'O, - '454545454545454545454545454545454545454545'O, - '464646464646464646464646464646464646464646'O}, + sequenceOf88 := {'BF2581945A0A989444999999990920F3910A4F736D6F636F6D53504E920F5453 + 343856312D412D554E49515545950102B666302080020640811A736D6470702E + 746573742E7273702E7379736D6F636F6D2E6465302080020520811A736D6470 + 702E746573742E7273702E7379736D6F636F6D2E6465302080020410811A736D + 6470702E746573742E7273702E7379736D6F636F6D2E6465551CB6F842568179'O}, /* ES8+.ReplaceSessionKeys (optional) */ - secondSequenceOf87 := omit, + secondSequenceOf87 := {'801DAD96938287829005478DA96A11CD8A9F7B6B2E4F7071D847BB055839A8F4 + C1ACC7A1BF5F0D08689DE52575CDDDECA9CF6FDFCDD5F770E3CBE9397D884245 + A8DE6CB5FE049019'O}, /* ES8+.LoadProfileElements */ - sequenceOf86 := {'474747474747474747474747474747474747474747474747474747474747474747474747474747474747474747474747474747474747474747474747'O, - '484848484848484848484848484848484848484848484848484848484848484848484848484848484848484848484848484848484848484848484848'O, - '494949494949494949494949494949494949494949494949494949494949494949494949494949494949494949494949494949494949494949494949'O, - '505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050'O, - '515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151'O} + sequenceOf86 := {'84FDE5ACBB650C148A106443C8BA7EA2D8EED822DBF22FFCCB63A0B1235206B4 + 134B45E32E88300BB03E80559F3D02189D1C65CBB15912699D77B0C7656DF2BF + C558A755624D5F309B7ED759C710B2A30704FCF31A7B7AB1888030B986C60421 + 1073C29D5741B1F68D9351F02BAB42DCCCF714CFDBB7253A208779883FB0928D + 23C07BA6F8B9180F71703881470AD2BA07FCD32FA70ACD79C599D260163128DE + FA601A824B92B563177345E619391DA8E0F330BCC5F5624D97C541A1EBF5A105 + 9E06BDE44110CDE0E189A5E159DF3AB05D3F68D5DF40469B5182C9F3E1C53781 + 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D5F7FA55AA8CD05F2C21C8C783246591101ACA4CF15B48CAFC6C5B0A9B7F52A8 + 75E6F73C19C5272856A6DAA79B3B573B5692C2D47E888FE5A82DEA944B871F42 + D0CD3A5C85E5C1AFF9FD0FACC197D8088C04ADEE85776EE6'O} } template (present) ServerSigned1 tr_serverSigned1(template (present) octetstring transactionId := ?, -- To view, visit https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/43762?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: Ia987f4d802b360b6dd5b3cc400f9e20b215cff9d Gerrit-Change-Number: 43762 Gerrit-PatchSet: 1 Gerrit-Owner: dexter <pmaier(a)sysmocom.de>

1 0

[S] Change in libosmocore[master]: Add new VTY node for libosmo-octoi
by jolly 02 Oct '26

02 Oct '26

jolly has posted comments on this change by jolly. ( https://gerrit.osmocom.org/c/libosmocore/+/43685?usp=email ) Change subject: Add new VTY node for libosmo-octoi ...................................................................... Patch Set 1: (1 comment) File include/osmocom/vty/command.h: https://gerrit.osmocom.org/c/libosmocore/+/43685/comment/ba279e2a_41e33626?… : PS1, Line 112: RESERVED2_NODE, /*!< Reserved for later extensions */ > breaking all existing versions of osmo-e1d is clearly not an option. […] A fix had been merged. -- To view, visit https://gerrit.osmocom.org/c/libosmocore/+/43685?usp=email To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings?usp=email Gerrit-MessageType: comment Gerrit-Project: libosmocore Gerrit-Branch: master Gerrit-Change-Id: I497ee1503fed1681fae217bfe4d7be9b1580448f Gerrit-Change-Number: 43685 Gerrit-PatchSet: 1 Gerrit-Owner: jolly <andreas(a)eversberg.eu> Gerrit-Reviewer: Jenkins Builder Gerrit-Reviewer: fixeria <vyanitskiy(a)sysmocom.de> Gerrit-Reviewer: jolly <andreas(a)eversberg.eu> Gerrit-Reviewer: osmith <osmith(a)sysmocom.de> Gerrit-CC: laforge <laforge(a)osmocom.org> Gerrit-CC: pespin <pespin(a)sysmocom.de> Gerrit-Comment-Date: Fri, 02 Oct 2026 13:02:04 +0000 Gerrit-HasComments: Yes Gerrit-Has-Labels: No Comment-In-Reply-To: laforge <laforge(a)osmocom.org> Comment-In-Reply-To: pespin <pespin(a)sysmocom.de>

1 0

[XS] Change in libosmo-sigtran[master]: xua_msg: Drop __thread attribute on static buf
by pespin 02 Oct '26

02 Oct '26

pespin has uploaded this change for review. ( https://gerrit.osmocom.org/c/libosmo-sigtran/+/43761?usp=email ) Change subject: xua_msg: Drop __thread attribute on static buf ...................................................................... xua_msg: Drop __thread attribute on static buf libosmo-sigtran is not thread safe, and hence makes no sense to have only this static buffer (out of dozens declared) as TLS. Related: OS#7061 Change-Id: Ia023b8df32494bc705326106753f17e7eeaf89cf --- M src/xua_msg.c 1 file changed, 1 insertion(+), 1 deletion(-) git pull ssh://gerrit.osmocom.org:29418/libosmo-sigtran refs/changes/61/43761/1 diff --git a/src/xua_msg.c b/src/xua_msg.c index 61281c4..122f6bc 100644 --- a/src/xua_msg.c +++ b/src/xua_msg.c @@ -357,7 +357,7 @@ const char *xua_msg_part_get_str(const struct xua_msg_part *part) { - static char __thread buf[256]; + static char buf[256]; if (part->len == 0) return ""; -- To view, visit https://gerrit.osmocom.org/c/libosmo-sigtran/+/43761?usp=email To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings?usp=email Gerrit-MessageType: newchange Gerrit-Project: libosmo-sigtran Gerrit-Branch: master Gerrit-Change-Id: Ia023b8df32494bc705326106753f17e7eeaf89cf Gerrit-Change-Number: 43761 Gerrit-PatchSet: 1 Gerrit-Owner: pespin <pespin(a)sysmocom.de>

1 0

[S] Change in osmo-gsm-manuals[master]: sigtran: Document ASP administrative state
by pespin 02 Oct '26

02 Oct '26

pespin has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-gsm-manuals/+/43760?usp=email ) Change subject: sigtran: Document ASP administrative state ...................................................................... sigtran: Document ASP administrative state Related: OS#6752 Change-Id: I355f382857b62a42b4752689d27a34c668c7e996 --- M common/chapters/cs7-config.adoc M common/chapters/sigtran-osmocom.adoc M common/chapters/sigtran.adoc 3 files changed, 31 insertions(+), 0 deletions(-) git pull ssh://gerrit.osmocom.org:29418/osmo-gsm-manuals refs/changes/60/43760/1 diff --git a/common/chapters/cs7-config.adoc b/common/chapters/cs7-config.adoc index 8d3dbe7..6d5b86e 100644 --- a/common/chapters/cs7-config.adoc +++ b/common/chapters/cs7-config.adoc @@ -52,6 +52,7 @@ remote-ip 127.0.0.1 role asp transport-role client + no shutdown as as-clnt-OsmoMSC-A-Iu m3ua asp asp-clnt-OsmoMSC-A-Iu routing-key 2 0.23.1 @@ -89,6 +90,7 @@ local-ip 10.9.8.7 role asp transport-role client + no shutdown ---- Be aware that such an `asp` needs to be linked to an `as`, see <<as_and_asp>>. @@ -240,6 +242,7 @@ remote-ip 127.0.0.1 role asp transport-role client + no shutdown as my-as m3ua asp my-asp ---- @@ -257,6 +260,7 @@ remote-ip 127.0.0.1 role asp transport-role client + no shutdown as my-as m3ua routing-key 2 0.23.1 ---- @@ -269,6 +273,7 @@ remote-ip 127.0.0.1 role asp transport-role client + no shutdown as my-as m3ua asp my-asp routing-key 2 0.23.1 @@ -403,6 +408,7 @@ remote-ip 2.2.2.2 local-ip 1.1.1.1 transport-role client + no shutdown as mybsc0 m3ua asp mybsc0-0 routing-key 1 1.1.1 @@ -428,6 +434,7 @@ asp mybsc-0 2905 2905 m3ua remote-ip 1.1.1.1 local-ip 2.2.2.2 + no shutdown as mybsc m3ua asp bsc-0 routing-key 1 1.1.1 @@ -435,6 +442,7 @@ asp mymsc-0 2905 2905 m3ua remote-ip 3.3.3.3 local-ip 2.2.2.2 + no shutdown as mymsc m3ua asp mymsc-0 routing-key 3 3.3.3 @@ -453,6 +461,7 @@ remote-ip 2.2.2.2 local-ip 3.3.3.3 transport-role client + no shutdown as mymsc0 m3ua asp mymsc0-0 routing-key 3 3.3.3 @@ -470,6 +479,7 @@ remote-ip 2.2.2.2 local-ip 1.1.1.1 transport-role client + no shutdown as mybsc0 m3ua asp mybsc0-0 @@ -500,6 +510,7 @@ remote-ip 2.2.2.2 local-ip 3.3.3.3 transport-role client + no shutdown as mymsc0 m3ua asp mymsc0-0 ---- diff --git a/common/chapters/sigtran-osmocom.adoc b/common/chapters/sigtran-osmocom.adoc index 9cd873c..50f88ea 100644 --- a/common/chapters/sigtran-osmocom.adoc +++ b/common/chapters/sigtran-osmocom.adoc @@ -386,9 +386,25 @@ |Remote Port|Port Number of the remote end of the connection |Remote IP|IP Address of the remote end of the connection |State|ASP State (Down, Inactive, Active) +|Administrative State|ASP Administrative State ([no] shutdown, [no] block) |QoS Class|QoS Class to apply to this connection |==== +The user can change the administrative state of a given ASP at any time by means +of VTY commands (defaults are _no shutdown_ and _no block_): + +* _[no] shutdown_: When an ASP is set to the _shutdown_ administrative state, +its transport layer socket is closed and new ones are forbidden until the +adminsitrative state is switched back again. If the ASP transport role is +_client_, no further reconnects will be attempeted. If the ASP transport is +_server_, new incoming connections matching the ASP will be rejected at socket +accept time. + +* _[no] block_: When an ASP is set to the _block_ administrative state, its +transport layer socket is manintained, but the ASP is moved to _Inactive_ state, +and further ACTIVATE attempts are rejected until the adminsitrative state is +switched back again. + === Osmocom SS7 Routes An Osmocom SS7 Route holds information to route traffic with a matching diff --git a/common/chapters/sigtran.adoc b/common/chapters/sigtran.adoc index b691436..b66dd7c 100644 --- a/common/chapters/sigtran.adoc +++ b/common/chapters/sigtran.adoc @@ -390,6 +390,7 @@ remote-ip 10.11.12.13 remote-ip 16.17.18.19 primary <1> ... + no shutdown ---- <1> Use 16.17.18.19 as primary address for the SCTP association. User data will be in general transmitted over this path. @@ -414,6 +415,7 @@ local-ip 10.11.12.13 local-ip 16.17.18.19 primary <1> ... + no shutdown ---- <1> Announce 16.17.18.19 to the peer as the primary address to be used when transmitting user data to us. @@ -459,6 +461,7 @@ sctp-param init max-attempts 3 <3> sctp-param init timeout 10000 <4> ... + no shutdown ---- <1> The number of streams from the server to the client. This value is transmitted during SCTP INIT ACK packet. @@ -473,6 +476,7 @@ cs7 instance 0 asp my-asp 2905 0 m3ua transport-role server + no shutdown listen m3ua 2905 sctp-param init num-ostreams 250 <1> sctp-param init max-instreams 300 <2> -- To view, visit https://gerrit.osmocom.org/c/osmo-gsm-manuals/+/43760?usp=email To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings?usp=email Gerrit-MessageType: newchange Gerrit-Project: osmo-gsm-manuals Gerrit-Branch: master Gerrit-Change-Id: I355f382857b62a42b4752689d27a34c668c7e996 Gerrit-Change-Number: 43760 Gerrit-PatchSet: 1 Gerrit-Owner: pespin <pespin(a)sysmocom.de>

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[S] Change in osmo-gsm-manuals[master]: sigtran: Document xUA Server Administrative State
by pespin 02 Oct '26

02 Oct '26

Attention is currently required from: jolly, pespin. Hello Jenkins Builder, jolly, I'd like you to reexamine a change. Please visit https://gerrit.osmocom.org/c/osmo-gsm-manuals/+/43759?usp=email to look at the new patch set (#2). The following approvals got outdated and were removed: Code-Review+1 by jolly, Verified+1 by Jenkins Builder Change subject: sigtran: Document xUA Server Administrative State ...................................................................... sigtran: Document xUA Server Administrative State Related: OS#7039 Change-Id: I771f05d2ef001f78cbd4d6fcd585535a841366ea --- M common/chapters/cs7-config.adoc M common/chapters/sigtran-osmocom.adoc M common/chapters/sigtran.adoc 3 files changed, 10 insertions(+), 0 deletions(-) git pull ssh://gerrit.osmocom.org:29418/osmo-gsm-manuals refs/changes/59/43759/2 -- To view, visit https://gerrit.osmocom.org/c/osmo-gsm-manuals/+/43759?usp=email To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings?usp=email Gerrit-MessageType: newpatchset Gerrit-Project: osmo-gsm-manuals Gerrit-Branch: master Gerrit-Change-Id: I771f05d2ef001f78cbd4d6fcd585535a841366ea Gerrit-Change-Number: 43759 Gerrit-PatchSet: 2 Gerrit-Owner: pespin <pespin(a)sysmocom.de> Gerrit-Reviewer: Jenkins Builder Gerrit-Reviewer: jolly <andreas(a)eversberg.eu> Gerrit-Attention: jolly <andreas(a)eversberg.eu> Gerrit-Attention: pespin <pespin(a)sysmocom.de>

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[S] Change in osmo-gsm-manuals[master]: sigtran.adoc: Rename 'SCTP role' to 'Transport layer role'
by pespin 02 Oct '26

02 Oct '26

Attention is currently required from: fixeria, jolly, pespin. Hello Jenkins Builder, fixeria, jolly, I'd like you to reexamine a change. Please visit https://gerrit.osmocom.org/c/osmo-gsm-manuals/+/43756?usp=email to look at the new patch set (#2). The following approvals got outdated and were removed: Code-Review+1 by fixeria, Code-Review+1 by jolly, Verified+1 by Jenkins Builder Change subject: sigtran.adoc: Rename 'SCTP role' to 'Transport layer role' ...................................................................... sigtran.adoc: Rename 'SCTP role' to 'Transport layer role' The client/server behavior applies to both SCTP and TCP, hence this concept was already renamed to "transport-role (client|server)" a while ago in libosmo-sigtran.git. Do the same here. Change-Id: I961552d00fde06154489b091d7d742b5ee86d206 --- M common/chapters/cs7-config.adoc M common/chapters/sigtran.adoc 2 files changed, 19 insertions(+), 19 deletions(-) git pull ssh://gerrit.osmocom.org:29418/osmo-gsm-manuals refs/changes/56/43756/2 -- To view, visit https://gerrit.osmocom.org/c/osmo-gsm-manuals/+/43756?usp=email To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings?usp=email Gerrit-MessageType: newpatchset Gerrit-Project: osmo-gsm-manuals Gerrit-Branch: master Gerrit-Change-Id: I961552d00fde06154489b091d7d742b5ee86d206 Gerrit-Change-Number: 43756 Gerrit-PatchSet: 2 Gerrit-Owner: pespin <pespin(a)sysmocom.de> Gerrit-Reviewer: Jenkins Builder Gerrit-Reviewer: fixeria <vyanitskiy(a)sysmocom.de> Gerrit-Reviewer: jolly <andreas(a)eversberg.eu> Gerrit-Attention: jolly <andreas(a)eversberg.eu> Gerrit-Attention: fixeria <vyanitskiy(a)sysmocom.de> Gerrit-Attention: pespin <pespin(a)sysmocom.de>

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[S] Change in osmo-gsm-manuals[master]: Add description for IP DSCP (QoS) support of libosmo-sigtran
by pespin 02 Oct '26

02 Oct '26

pespin has submitted this change. ( https://gerrit.osmocom.org/c/osmo-gsm-manuals/+/43757?usp=email ) Change subject: Add description for IP DSCP (QoS) support of libosmo-sigtran ...................................................................... Add description for IP DSCP (QoS) support of libosmo-sigtran Related: OS#6753 Change-Id: I57e1fa47f811132116deefe769ed6b7e90d11e49 --- M common/chapters/sigtran-osmocom.adoc M common/chapters/sigtran.adoc 2 files changed, 44 insertions(+), 0 deletions(-) Approvals: Jenkins Builder: Verified pespin: Looks good to me, approved diff --git a/common/chapters/sigtran-osmocom.adoc b/common/chapters/sigtran-osmocom.adoc index 32d03cf..fa02694 100644 --- a/common/chapters/sigtran-osmocom.adoc +++ b/common/chapters/sigtran-osmocom.adoc @@ -285,6 +285,7 @@ |Network Indicator|(config-cs7)# network-indicator|Network Indicator used in MTP3 Routing Label |Point Code Format|(config-cs7)# point-code format|Point Code Format (Default: 3.8.3) |Point Code Delimiter|(config-cs7)# point-code delimiter|Point Code Delimiter: . or - +|QoS Class Definition|(config-cs7)# qos class ID|Definition of a QoS class |==== [[xua-server]] @@ -306,6 +307,7 @@ |Local Port|Local IP Address to which the server shall bind/listen |Protocol|Protocol (M3UA, SUA, IPA) to be operated by this server |Accept Dynamic ASPs|Should we accept connections from ASPs that are not explicitly pre-configured with their source IP and port? +|QoS Class|QoS Class the server will apply to incoming connections |==== @@ -377,6 +379,7 @@ |Remote Port|Port Number of the remote end of the connection |Remote IP|IP Address of the remote end of the connection |State|ASP State (Down, Inactive, Active) +|QoS Class|QoS Class to apply to this connection |==== === Osmocom SS7 Routes diff --git a/common/chapters/sigtran.adoc b/common/chapters/sigtran.adoc index 308f157..714d86b 100644 --- a/common/chapters/sigtran.adoc +++ b/common/chapters/sigtran.adoc @@ -523,3 +523,44 @@ _all_ the ASPs in broadcast traffic mode. Osmocom (libosmo-sigtran) implements all above-mentioned traffic modes. + +==== Quality of Service (QoS) / IP DSCP + +Osmocom SIGTRAN support allows mapping abstract Quality of Service (QoS) +classes to specific IP Differentiated Services Code Point (DSCP) values. This +enables network operators to prioritize SIGTRAN signaling traffic (such as M3UA +or SUA) across underlying IP transport networks. + +QoS classes are defined centrally under the `cs7 instance` node. Once defined, +a QoS class can optionally be assigned to individual xUA servers (`listen` +node) or Application Server Processes (`asp` node). + +The IP DSCP value of the QoS class that is assigned to an xUA server, applies +to IP packets sent during negotiation with the socket server. The IP DSCP +value of the QoS class applied to the listening socket of the xUA server is +inherited by default on child ASP sockets when no QoS class is assigned to +them. + +---- +cs7 instance 0 + qos class 5 <1> + qos-ip-dscp 23 + qos class 6 + qos-ip-dscp 42 + qos class 7 + qos-ip-dscp 8 + ... + asp asp-srv-m3ua 2906 2905 m3ua + qos-class 7 <3> + ... + asp asp-clnt-m3ua 2905 2906 m3ua + qos-class 6 <4> + ... + listen m3ua 2905 + qos-class 5 <2> + ... +---- +<1> Define QoS class `5` and assign it IP DSCP value `23`. +<2> Apply QoS class `5` to the M3UA server socket. +<3> Apply QoS class `7` (DSCP 8) to the server-role ASP. +<4> Apply QoS class `6` (DSCP 42) to the client-role ASP. -- To view, visit https://gerrit.osmocom.org/c/osmo-gsm-manuals/+/43757?usp=email To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings?usp=email Gerrit-MessageType: merged Gerrit-Project: osmo-gsm-manuals Gerrit-Branch: master Gerrit-Change-Id: I57e1fa47f811132116deefe769ed6b7e90d11e49 Gerrit-Change-Number: 43757 Gerrit-PatchSet: 2 Gerrit-Owner: jolly <andreas(a)eversberg.eu> Gerrit-Reviewer: Jenkins Builder Gerrit-Reviewer: fixeria <vyanitskiy(a)sysmocom.de> Gerrit-Reviewer: pespin <pespin(a)sysmocom.de>

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[S] Change in osmo-gsm-manuals[master]: Add description for IP DSCP (QoS) support of libosmo-sigtran
by pespin 02 Oct '26

02 Oct '26

Attention is currently required from: jolly. pespin has posted comments on this change by jolly. ( https://gerrit.osmocom.org/c/osmo-gsm-manuals/+/43757?usp=email ) Change subject: Add description for IP DSCP (QoS) support of libosmo-sigtran ...................................................................... Patch Set 2: Code-Review+2 -- To view, visit https://gerrit.osmocom.org/c/osmo-gsm-manuals/+/43757?usp=email To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings?usp=email Gerrit-MessageType: comment Gerrit-Project: osmo-gsm-manuals Gerrit-Branch: master Gerrit-Change-Id: I57e1fa47f811132116deefe769ed6b7e90d11e49 Gerrit-Change-Number: 43757 Gerrit-PatchSet: 2 Gerrit-Owner: jolly <andreas(a)eversberg.eu> Gerrit-Reviewer: Jenkins Builder Gerrit-Reviewer: fixeria <vyanitskiy(a)sysmocom.de> Gerrit-Reviewer: pespin <pespin(a)sysmocom.de> Gerrit-Attention: jolly <andreas(a)eversberg.eu> Gerrit-Comment-Date: Fri, 02 Oct 2026 12:14:25 +0000 Gerrit-HasComments: No Gerrit-Has-Labels: Yes

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[S] Change in osmo-gsm-manuals[master]: sigtran: Document xUA Server Administrative State
by jolly 02 Oct '26

02 Oct '26

Attention is currently required from: pespin. jolly has posted comments on this change by pespin. ( https://gerrit.osmocom.org/c/osmo-gsm-manuals/+/43759?usp=email ) Change subject: sigtran: Document xUA Server Administrative State ...................................................................... Patch Set 1: Code-Review+1 -- To view, visit https://gerrit.osmocom.org/c/osmo-gsm-manuals/+/43759?usp=email To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings?usp=email Gerrit-MessageType: comment Gerrit-Project: osmo-gsm-manuals Gerrit-Branch: master Gerrit-Change-Id: I771f05d2ef001f78cbd4d6fcd585535a841366ea Gerrit-Change-Number: 43759 Gerrit-PatchSet: 1 Gerrit-Owner: pespin <pespin(a)sysmocom.de> Gerrit-Reviewer: Jenkins Builder Gerrit-Reviewer: jolly <andreas(a)eversberg.eu> Gerrit-Attention: pespin <pespin(a)sysmocom.de> Gerrit-Comment-Date: Fri, 02 Oct 2026 12:10:59 +0000 Gerrit-HasComments: No Gerrit-Has-Labels: Yes

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