diff options
author | Neels Hofmeyr <neels@hofmeyr.de> | 2018-02-22 04:04:54 +0100 |
---|---|---|
committer | Neels Hofmeyr <neels@hofmeyr.de> | 2018-02-28 19:30:14 +0100 |
commit | 379d5799f0d6bbfce031c2f17c2840ce43a5ac98 (patch) | |
tree | c56503b5466c5cb719c70f46e9e34b56e6aa9a48 | |
parent | 7f48420923e46f9476ef7af2d4fe0bd0ed5e30b0 (diff) |
implement support for 3-digit MNC with leading zeros
Add 3-digit flags and use the new RAI and LAI API from libosmocore throughout
the code base to be able to handle an MNC < 100 that has three digits (leading
zeros).
Depends: Id2240f7f518494c9df6c8bda52c0d5092f90f221 (libosmocore),
Ib7176b1d65a03b76f41f94bc9d3293a8a07d24c6 (libosmocore)
Change-Id: I82f0016d9512ee8722a3489a3cb4b6c704a271fc
-rw-r--r-- | include/osmocom/msc/gsm_data.h | 6 | ||||
-rw-r--r-- | src/libcommon-cs/common_cs.c | 4 | ||||
-rw-r--r-- | src/libcommon-cs/common_cs_vty.c | 12 | ||||
-rw-r--r-- | src/libmsc/a_iface_bssap.c | 13 | ||||
-rw-r--r-- | src/libmsc/gsm_04_08.c | 20 | ||||
-rw-r--r-- | src/libmsc/msc_vty.c | 5 | ||||
-rw-r--r-- | src/libvlr/vlr_lu_fsm.c | 10 | ||||
-rw-r--r-- | src/osmo-msc/msc_main.c | 4 |
8 files changed, 33 insertions, 41 deletions
diff --git a/include/osmocom/msc/gsm_data.h b/include/osmocom/msc/gsm_data.h index 67b657a11..2d1d20c19 100644 --- a/include/osmocom/msc/gsm_data.h +++ b/include/osmocom/msc/gsm_data.h @@ -223,11 +223,11 @@ struct gsm_network { * these have in common, like country and network code, put in yet * separate structs and placed as members in osmo_bsc and osmo_msc. */ - /* global parameters */ - uint16_t country_code; - uint16_t network_code; + struct osmo_plmn_id plmn; + char *name_long; char *name_short; + /* bit-mask of permitted encryption algorithms. LSB=A5/0, MSB=A5/7 */ uint8_t a5_encryption_mask; bool authentication_required; diff --git a/src/libcommon-cs/common_cs.c b/src/libcommon-cs/common_cs.c index c64719bc4..a1d229816 100644 --- a/src/libcommon-cs/common_cs.c +++ b/src/libcommon-cs/common_cs.c @@ -45,8 +45,8 @@ struct gsm_network *gsm_network_init(void *ctx, mncc_recv_cb_t mncc_recv) if (!net) return NULL; - net->country_code = 1; - net->network_code = 1; + net->plmn = (struct osmo_plmn_id){ .mcc=1, .mnc=1 }; + /* Permit a compile-time default of A5/3 and A5/1 */ net->a5_encryption_mask = (1 << 3) | (1 << 1); diff --git a/src/libcommon-cs/common_cs_vty.c b/src/libcommon-cs/common_cs_vty.c index 01c6b357f..d59f31c16 100644 --- a/src/libcommon-cs/common_cs_vty.c +++ b/src/libcommon-cs/common_cs_vty.c @@ -61,7 +61,7 @@ DEFUN(cfg_net_ncc, { struct gsm_network *gsmnet = gsmnet_from_vty(vty); - gsmnet->country_code = atoi(argv[0]); + gsmnet->plmn.mcc = atoi(argv[0]); return CMD_SUCCESS; } @@ -75,8 +75,16 @@ DEFUN(cfg_net_mnc, "Mobile Network Code to use\n") { struct gsm_network *gsmnet = gsmnet_from_vty(vty); + uint16_t mnc; + bool mnc_3_digits; - gsmnet->network_code = atoi(argv[0]); + if (osmo_mnc_from_str(argv[0], &mnc, &mnc_3_digits)) { + vty_out(vty, "%% Error decoding MNC: %s%s", argv[0], VTY_NEWLINE); + return CMD_WARNING; + } + + gsmnet->plmn.mnc = mnc; + gsmnet->plmn.mnc_3_digits = mnc_3_digits; return CMD_SUCCESS; } diff --git a/src/libmsc/a_iface_bssap.c b/src/libmsc/a_iface_bssap.c index 224c5c91d..7b867645f 100644 --- a/src/libmsc/a_iface_bssap.c +++ b/src/libmsc/a_iface_bssap.c @@ -263,9 +263,7 @@ static int bssmap_rx_l3_compl(struct osmo_sccp_user *scu, const struct a_conn_in struct gsm48_loc_area_id lai; uint16_t ci; } __attribute__ ((packed)) lai_ci; - uint16_t mcc; - uint16_t mnc; - uint16_t lac; + struct osmo_location_area_id lai; uint8_t data_length; const uint8_t *data; int rc; @@ -301,18 +299,15 @@ static int bssmap_rx_l3_compl(struct osmo_sccp_user *scu, const struct a_conn_in "Unable to parse element CELL IDENTIFIER (wrong cell identification discriminator) -- discarding message!\n"); return -EINVAL; } - if (gsm48_decode_lai(&lai_ci.lai, &mcc, &mnc, &lac) != 0) { - LOGP(DBSSAP, LOGL_ERROR, - "Unable to parse element CELL IDENTIFIER (lai decoding failed) -- discarding message!\n"); - return -EINVAL; - } + gsm48_decode_lai2(&lai_ci.lai, &lai); + /* FIXME: Actually compare the MCC-MNC to the local network config?? */ /* Parse Layer 3 Information element */ msg->l3h = (uint8_t*)TLVP_VAL(tp, GSM0808_IE_LAYER_3_INFORMATION); msgb_l3trim(msg, TLVP_LEN(tp, GSM0808_IE_LAYER_3_INFORMATION)); /* Create new subscriber context */ - conn = subscr_conn_allocate_a(a_conn_info, network, lac, scu, a_conn_info->conn_id); + conn = subscr_conn_allocate_a(a_conn_info, network, lai.lac, scu, a_conn_info->conn_id); /* Handover location update to the MSC code */ rc = msc_compl_l3(conn, msg, 0); diff --git a/src/libmsc/gsm_04_08.c b/src/libmsc/gsm_04_08.c index b92817157..18f8412d8 100644 --- a/src/libmsc/gsm_04_08.c +++ b/src/libmsc/gsm_04_08.c @@ -222,15 +222,17 @@ static int gsm0408_loc_upd_acc(struct gsm_subscriber_connection *conn, struct gsm48_hdr *gh; struct gsm48_loc_area_id *lai; uint8_t *mid; + struct osmo_location_area_id laid = { + .plmn = conn->network->plmn, + .lac = conn->lac, + }; gh = (struct gsm48_hdr *) msgb_put(msg, sizeof(*gh)); gh->proto_discr = GSM48_PDISC_MM; gh->msg_type = GSM48_MT_MM_LOC_UPD_ACCEPT; lai = (struct gsm48_loc_area_id *) msgb_put(msg, sizeof(*lai)); - gsm48_generate_lai(lai, conn->network->country_code, - conn->network->network_code, - conn->lac); + gsm48_generate_lai2(lai, &laid); if (send_tmsi == GSM_RESERVED_TMSI) { /* we did not allocate a TMSI to the MS, so we need to @@ -381,10 +383,8 @@ int mm_rx_loc_upd_req(struct gsm_subscriber_connection *conn, struct msgb *msg) break; } - gsm48_decode_lai(&lu->lai, &old_lai.plmn.mcc, - &old_lai.plmn.mnc, &old_lai.lac); - new_lai.plmn.mcc = conn->network->country_code; - new_lai.plmn.mnc = conn->network->network_code; + gsm48_decode_lai2(&lu->lai, &old_lai); + new_lai.plmn = conn->network->plmn; new_lai.lac = conn->lac; DEBUGP(DMM, "LU/new-LAC: %u/%u\n", old_lai.lac, new_lai.lac); @@ -701,8 +701,7 @@ int gsm48_rx_mm_serv_req(struct gsm_subscriber_connection *conn, struct msgb *ms bool is_utran; int rc; - lai.plmn.mcc = conn->network->country_code; - lai.plmn.mnc = conn->network->network_code; + lai.plmn = conn->network->plmn; lai.lac = conn->lac; DEBUGP(DMM, "<- CM SERVICE REQUEST "); @@ -1152,8 +1151,7 @@ static int gsm48_rx_rr_pag_resp(struct gsm_subscriber_connection *conn, struct m struct osmo_location_area_id lai; bool is_utran; - lai.plmn.mcc = conn->network->country_code; - lai.plmn.mnc = conn->network->network_code; + lai.plmn = conn->network->plmn; lai.lac = conn->lac; resp = (struct gsm48_pag_resp *) &gh->data[0]; diff --git a/src/libmsc/msc_vty.c b/src/libmsc/msc_vty.c index ce608ba11..503ae684b 100644 --- a/src/libmsc/msc_vty.c +++ b/src/libmsc/msc_vty.c @@ -183,8 +183,9 @@ static int config_write_net(struct vty *vty) int i; vty_out(vty, "network%s", VTY_NEWLINE); - vty_out(vty, " network country code %u%s", gsmnet->country_code, VTY_NEWLINE); - vty_out(vty, " mobile network code %u%s", gsmnet->network_code, VTY_NEWLINE); + vty_out(vty, " network country code %s%s", osmo_mcc_name(gsmnet->plmn.mcc), VTY_NEWLINE); + vty_out(vty, " mobile network code %s%s", + osmo_mnc_name(gsmnet->plmn.mnc, gsmnet->plmn.mnc_3_digits), VTY_NEWLINE); vty_out(vty, " short name %s%s", gsmnet->name_short, VTY_NEWLINE); vty_out(vty, " long name %s%s", gsmnet->name_long, VTY_NEWLINE); vty_out(vty, " encryption a5"); diff --git a/src/libvlr/vlr_lu_fsm.c b/src/libvlr/vlr_lu_fsm.c index 0ac5b9ad1..25deeb66e 100644 --- a/src/libvlr/vlr_lu_fsm.c +++ b/src/libvlr/vlr_lu_fsm.c @@ -911,14 +911,6 @@ static int assoc_lfp_with_sub(struct osmo_fsm_inst *fi, struct vlr_subscr *vsub) return 0; } -static const char *lai_name(struct osmo_location_area_id *lai) -{ - static char buf[64]; - snprintf(buf, sizeof(buf),"MCC:%u, MNC:%u, LAC:%u", - lai->plmn.mcc, lai->plmn.mnc, lai->lac); - return buf; -} - static int _lu_fsm_associate_vsub(struct osmo_fsm_inst *fi) { struct lu_fsm_priv *lfp = fi->priv; @@ -988,7 +980,7 @@ static void _start_lu_main(struct osmo_fsm_inst *fi) #endif LOGPFSML(fi, LOGL_NOTICE, "LAI change from %s," " but checking previous VLR not implemented\n", - lai_name(&lfp->old_lai)); + osmo_lai_name(&lfp->old_lai)); } /* If this is a TMSI based LU, we may not have the IMSI. Make sure that diff --git a/src/osmo-msc/msc_main.c b/src/osmo-msc/msc_main.c index f49c480f6..00f132b86 100644 --- a/src/osmo-msc/msc_main.c +++ b/src/osmo-msc/msc_main.c @@ -281,9 +281,7 @@ static int rcvmsg_iu_cs(struct msgb *msg, struct gprs_ra_id *ra_id, uint16_t *sa { DEBUGP(DIUCS, "got IuCS message %d bytes: %s\n", msg->len, msgb_hexdump(msg)); if (ra_id) { - DEBUGP(DIUCS, "got IuCS message on" - " MNC %d MCC %d LAC %d RAC %d\n", - ra_id->mnc, ra_id->mcc, ra_id->lac, ra_id->rac); + DEBUGP(DIUCS, "got IuCS message on %s\n", osmo_rai_name(ra_id)); } return gsm0408_rcvmsg_iucs(msc_network, msg, ra_id? &ra_id->lac : NULL); |