From 412bc3494dad3f074a10dc5f0ffab97cb2f9c4da Mon Sep 17 00:00:00 2001 From: Alexander Couzens Date: Thu, 19 Nov 2020 05:24:37 +0100 Subject: gprs_ns2: add new vty2 Change-Id: I163279cf57e84198dc8c53e1c109f5a9474670e9 --- include/osmocom/gprs/gprs_ns2.h | 4 + include/osmocom/vty/command.h | 2 + src/gb/Makefile.am | 2 +- src/gb/gprs_ns2_internal.h | 1 + src/gb/gprs_ns2_sns.c | 20 + src/gb/gprs_ns2_vty.c | 4 + src/gb/gprs_ns2_vty2.c | 1642 +++++++++++++++++++++++++++++++++++++++ src/gb/libosmogb.map | 1 + 8 files changed, 1675 insertions(+), 1 deletion(-) create mode 100644 src/gb/gprs_ns2_vty2.c diff --git a/include/osmocom/gprs/gprs_ns2.h b/include/osmocom/gprs/gprs_ns2.h index 0b3ea1fd..1b202989 100644 --- a/include/osmocom/gprs/gprs_ns2.h +++ b/include/osmocom/gprs/gprs_ns2.h @@ -42,6 +42,7 @@ enum gprs_ns2_dialect { /*! Osmocom NS link layer types */ enum gprs_ns2_ll { + GPRS_NS2_LL_UNDEF, /*!< undefined, used by vty */ GPRS_NS2_LL_UDP, /*!< NS/UDP/IP */ GPRS_NS2_LL_FR, /*!< NS/FR */ GPRS_NS2_LL_FR_GRE, /*!< NS/FR/GRE/IP */ @@ -264,4 +265,7 @@ int gprs_ns2_vty_init(struct gprs_ns2_inst *nsi, const struct osmo_sockaddr_str *default_bind); int gprs_ns2_vty_create(); +/* vty 2 */ +int gprs_ns2_vty2_init(struct gprs_ns2_inst *nsi); + /*! @} */ diff --git a/include/osmocom/vty/command.h b/include/osmocom/vty/command.h index add57e22..bc8f2e17 100644 --- a/include/osmocom/vty/command.h +++ b/include/osmocom/vty/command.h @@ -100,6 +100,8 @@ enum node_type { L_CS7_SCCPADDR_GT_NODE, /*!< SS7 SCCP Global Title */ L_CPU_SCHED_NODE, /*!< CPU Sched related options node */ + L_NS_BIND_NODE, /*!< NS bind node */ + L_NS_NSE_NODE, /*!< NS NSE node */ /* * When adding new nodes to the libosmocore project, these nodes can be * used to avoid ABI changes for unrelated projects. diff --git a/src/gb/Makefile.am b/src/gb/Makefile.am index ea1cfde7..c829c293 100644 --- a/src/gb/Makefile.am +++ b/src/gb/Makefile.am @@ -25,7 +25,7 @@ libosmogb_la_SOURCES = gprs_ns.c gprs_ns_frgre.c gprs_ns_vty.c gprs_ns_sns.c \ gprs_bssgp.c gprs_bssgp_util.c gprs_bssgp_vty.c \ gprs_bssgp_bss.c \ gprs_ns2.c gprs_ns2_udp.c gprs_ns2_frgre.c gprs_ns2_fr.c gprs_ns2_vc_fsm.c gprs_ns2_sns.c \ - gprs_ns2_message.c gprs_ns2_vty.c \ + gprs_ns2_message.c gprs_ns2_vty.c gprs_ns2_vty2.c \ gprs_bssgp2.c bssgp_bvc_fsm.c \ common_vty.c frame_relay.c endif diff --git a/src/gb/gprs_ns2_internal.h b/src/gb/gprs_ns2_internal.h index df3772ae..5cb1630e 100644 --- a/src/gb/gprs_ns2_internal.h +++ b/src/gb/gprs_ns2_internal.h @@ -234,6 +234,7 @@ struct gprs_ns2_vc *ns2_vc_alloc(struct gprs_ns2_vc_bind *bind, struct msgb *gprs_ns2_msgb_alloc(void); +void gprs_ns2_sns_write_vty(struct vty *vty, const struct gprs_ns2_nse *nse); void gprs_ns2_sns_dump_vty(struct vty *vty, const struct gprs_ns2_nse *nse, bool stats); void ns2_prim_status_ind(struct gprs_ns2_nse *nse, struct gprs_ns2_vc *nsvc, diff --git a/src/gb/gprs_ns2_sns.c b/src/gb/gprs_ns2_sns.c index f25d93ab..4664a35c 100644 --- a/src/gb/gprs_ns2_sns.c +++ b/src/gb/gprs_ns2_sns.c @@ -46,6 +46,7 @@ #include #include #include +#include #include #include #include @@ -1534,6 +1535,25 @@ void gprs_ns2_sns_dump_vty(struct vty *vty, const struct gprs_ns2_nse *nse, bool } } +/*! write IP-SNS to a vty + * \param[in] vty VTY to which the state shall be printed + * \param[in] nse NS Entity whose IP-SNS state shall be printed */ +void gprs_ns2_sns_write_vty(struct vty *vty, const struct gprs_ns2_nse *nse) +{ + struct ns2_sns_state *gss; + struct osmo_sockaddr_str addr_str; + struct sns_endpoint *endpoint; + + if (!nse->bss_sns_fi) + return; + + gss = (struct ns2_sns_state *) nse->bss_sns_fi->priv; + llist_for_each_entry(endpoint, &gss->sns_endpoints, list) { + osmo_sockaddr_str_from_sockaddr(&addr_str, &endpoint->saddr.u.sas); + vty_out(vty, " ip-sns %s %u%s", addr_str.ip, addr_str.port, VTY_NEWLINE); + } +} + static struct sns_endpoint *ns2_get_sns_endpoint(struct ns2_sns_state *state, const struct osmo_sockaddr *saddr) { diff --git a/src/gb/gprs_ns2_vty.c b/src/gb/gprs_ns2_vty.c index e33869bb..9e09f0d9 100644 --- a/src/gb/gprs_ns2_vty.c +++ b/src/gb/gprs_ns2_vty.c @@ -935,6 +935,9 @@ int gprs_ns2_vty_create() { case GPRS_NS2_LL_FR_GRE: dialect = NS2_DIALECT_STATIC_RESETBLOCK; continue; + case GPRS_NS2_LL_UNDEF: + /* should not happen */ + OSMO_ASSERT(false); } nse = gprs_ns2_nse_by_nsei(vty_nsi, vtyvc->nsei); @@ -984,6 +987,7 @@ int gprs_ns2_vty_create() { break; } case GPRS_NS2_LL_FR_GRE: + case GPRS_NS2_LL_UNDEF: continue; } } diff --git a/src/gb/gprs_ns2_vty2.c b/src/gb/gprs_ns2_vty2.c new file mode 100644 index 00000000..2ccc7ed8 --- /dev/null +++ b/src/gb/gprs_ns2_vty2.c @@ -0,0 +1,1642 @@ +/*! \file gprs_ns2_vty.c + * VTY interface for our GPRS Networks Service (NS) implementation. */ + +/* (C) 2020 by sysmocom - s.f.m.c. GmbH + * Author: Alexander Couzens + * + * All Rights Reserved + * + * SPDX-License-Identifier: GPL-2.0+ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + * + */ + +#include +#include +#include +#include + +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "gprs_ns2_internal.h" + +#define SHOW_NS_STR "Display information about the NS protocol\n" +#define NSVCI_STR "NS Virtual Connection ID (NS-VCI)\n" +#define DLCI_STR "Data Link connection identifier\n" + +static struct gprs_ns2_inst *vty_nsi = NULL; +static struct osmo_fr_network *vty_fr_network = NULL; +static struct llist_head binds; + +struct vty_bind { + struct llist_head list; + const char *name; + enum gprs_ns2_ll ll; + int dscp; + bool accept_ipaccess; + bool accept_sns; +}; + +/* TODO: this should into osmo timer */ +static const struct value_string gprs_ns_timer_strs[] = { + { 0, "tns-block" }, + { 1, "tns-block-retries" }, + { 2, "tns-reset" }, + { 3, "tns-reset-retries" }, + { 4, "tns-test" }, + { 5, "tns-alive" }, + { 6, "tns-alive-retries" }, + { 7, "tsns-prov" }, + { 8, "tsns-size-retries" }, + { 9, "tsns-config-retries" }, + { 0, NULL } +}; + +const struct value_string vty_fr_role_names[] = { + { FR_ROLE_USER_EQUIPMENT, "fr" }, + { FR_ROLE_NETWORK_EQUIPMENT, "frnet" }, + { 0, NULL } +}; + +const struct value_string vty_ll_names[] = { + { GPRS_NS2_LL_FR, "fr" }, + { GPRS_NS2_LL_FR_GRE, "frgre" }, + { GPRS_NS2_LL_UDP, "udp" }, + { 0, NULL } +}; + +static struct vty_bind *vty_bind_by_name(const char *name) +{ + struct vty_bind *vbind; + llist_for_each_entry(vbind, &binds, list) { + if (!strncmp(vbind->name, name, strlen(vbind->name))) + return vbind; + } + return NULL; +} + +static struct vty_bind *vty_bind_alloc(const char *name) +{ + struct vty_bind *vbind = talloc(vty_nsi, struct vty_bind); + if (!vbind) + return NULL; + + vbind->name = talloc_strdup(vty_nsi, name); + if (!vbind->name) { + talloc_free(vbind); + return NULL; + } + + llist_add(&vbind->list, &binds); + return vbind; +} + +static void vty_bind_free(struct vty_bind *vbind) +{ + if (!vbind) + return; + + llist_del(&vbind->list); +} + +static struct cmd_node ns_node = { + L_NS_NODE, + "%s(config-ns)# ", + 1, +}; + +DEFUN(cfg_ns, cfg_ns_cmd, + "ns", + "Configure the GPRS Network Service") +{ + vty->node = L_NS_NODE; + return CMD_SUCCESS; +} + +DEFUN(cfg_ns_timer, cfg_ns_timer_cmd, + "timer " NS_TIMERS " <0-65535>", + "Network Service Timer\n" + NS_TIMERS_HELP "Timer Value\n") +{ + int idx = get_string_value(gprs_ns_timer_strs, argv[0]); + int val = atoi(argv[1]); + + if (idx < 0 || idx >= ARRAY_SIZE(vty_nsi->timeout)) + return CMD_WARNING; + + vty_nsi->timeout[idx] = val; + + return CMD_SUCCESS; +} + +DEFUN(cfg_ns_nsei, cfg_ns_nsei_cmd, + "nse <0-65535>", + "Persistent NS Entity\n" + "NS Entity ID (NSEI)\n" + ) +{ + struct gprs_ns2_nse *nse; + uint16_t nsei = atoi(argv[0]); + + nse = gprs_ns2_nse_by_nsei(vty_nsi, nsei); + if (!nse) { + nse = gprs_ns2_create_nse(vty_nsi, nsei, GPRS_NS2_LL_UNDEF, NS2_DIALECT_UNDEF); + if (!nse) { + vty_out(vty, "Failed to create NSE!%s", VTY_NEWLINE); + return CMD_ERR_INCOMPLETE; + } + nse->persistent = true; + } + + if (!nse->persistent) { + /* TODO: should the dynamic NSE removed? */ + vty_out(vty, "A dynamic NSE with the specified NSEI already exists%s", VTY_NEWLINE); + return CMD_ERR_INCOMPLETE; + } + + vty->node = L_NS_NSE_NODE; + vty->index = nse; + + return CMD_SUCCESS; +} + +DEFUN(cfg_no_ns_nsei, cfg_no_ns_nsei_cmd, + "no nse <0-65535>", + NO_STR + "Delete a Persistent NS Entity\n" + "NS Entity ID (NSEI)\n" + ) +{ + struct gprs_ns2_nse *nse; + uint16_t nsei = atoi(argv[0]); + + nse = gprs_ns2_nse_by_nsei(vty_nsi, nsei); + if (!nse) { + vty_out(vty, "Can not find NS Entity %s%s", argv[0], VTY_NEWLINE); + return CMD_ERR_NOTHING_TODO; + } + + if (!nse->persistent) { + vty_out(vty, "Ignoring non-persistent NS Entity%s", VTY_NEWLINE); + return CMD_WARNING; + } + + vty_out(vty, "Deleting NS Entity %u%s", nse->nsei, VTY_NEWLINE); + gprs_ns2_free_nse(nse); + return CMD_SUCCESS; +} + +/* TODO: add fr/gre */ +DEFUN(cfg_ns_bind, cfg_ns_bind_cmd, + "bind (fr|udp) ID", + "Binding\n" + "Frame Relay\n" "UDP/IP\n" + "a unique identifier for this bind to reference NS-VCs\n" + ) +{ + const char *nstype = argv[0]; + const char *name = argv[1]; + struct vty_bind *vbind; + enum gprs_ns2_ll ll; + int rc; + + rc = get_string_value(vty_ll_names, nstype); + if (rc < 0) + return CMD_WARNING; + ll = (enum gprs_ns2_ll) rc; + + if (!osmo_identifier_valid(name)) { + vty_out(vty, "Invalid ID. The ID should be only alphanumeric.%s", VTY_NEWLINE); + return CMD_WARNING; + } + + vbind = vty_bind_by_name(name); + if (vbind) { + if (vbind->ll != ll) { + vty_out(vty, "A bind with the specified ID already exists with a different type (fr|frgre|udp)!%s", + VTY_NEWLINE); + return CMD_WARNING; + } + } else { + vbind = vty_bind_alloc(name); + if (!vbind) { + vty_out(vty, "Can not create bind - out of memory%s", VTY_NEWLINE); + return CMD_WARNING; + } + vbind->ll = ll; + } + + vty->index = vbind; + vty->node = L_NS_BIND_NODE; + + return CMD_SUCCESS; +} + +DEFUN(cfg_no_ns_bind, cfg_no_ns_bind_cmd, + "no bind ID", + NO_STR + "Delete a binding\n" + "a unique identifier for this bind to reference NS-VCs\n" + ) +{ + struct vty_bind *vbind; + struct gprs_ns2_vc_bind *bind; + const char *name = argv[0]; + + vbind = vty_bind_by_name(name); + if (!vbind) { + vty_out(vty, "bind %s does not exist!%s", name, VTY_NEWLINE); + return CMD_WARNING; + } + vty_bind_free(vbind); + bind = gprs_ns2_bind_by_name(vty_nsi, name); + if (bind) + bind->driver->free_bind(bind); + return CMD_SUCCESS; +} + + +static void config_write_vbind(struct vty *vty, struct vty_bind *vbind) +{ + struct gprs_ns2_vc_bind *bind; + const struct osmo_sockaddr *addr; + struct osmo_sockaddr_str addr_str; + const char *netif, *frrole_str, *llstr; + enum osmo_fr_role frrole; + + llstr = get_value_string_or_null(vty_ll_names, vbind->ll); + if (!llstr) + return; + vty_out(vty, " bind %s %s%s", llstr, vbind->name, VTY_NEWLINE); + + bind = gprs_ns2_bind_by_name(vty_nsi, vbind->name); + switch (vbind->ll) { + case GPRS_NS2_LL_FR: + if (bind) { + netif = gprs_ns2_fr_bind_netif(bind); + if (!netif) + return; + frrole = gprs_ns2_fr_bind_role(bind); + if ((int) frrole == -1) + return; + frrole_str = get_value_string_or_null(vty_fr_role_names, frrole); + if (netif && frrole_str) + vty_out(vty, " fr %s %s%s", netif, frrole_str, VTY_NEWLINE); + } + break; + case GPRS_NS2_LL_UDP: + if (bind) { + addr = gprs_ns2_ip_bind_sockaddr(bind); + if (!osmo_sockaddr_str_from_sockaddr(&addr_str, &addr->u.sas)) { + vty_out(vty, " listen %s %u%s", addr_str.ip, addr_str.port, + VTY_NEWLINE); + } + } + if (vbind->accept_ipaccess) + vty_out(vty, " accept-ipaccess%s", VTY_NEWLINE); + if (vbind->dscp) + vty_out(vty, " dscp %u%s", vbind->dscp, VTY_NEWLINE); + break; + default: + return; + } +} + +static void config_write_nsvc(struct vty *vty, const struct gprs_ns2_vc *nsvc) +{ + const char *netif; + uint16_t dlci; + const struct osmo_sockaddr *addr; + struct osmo_sockaddr_str addr_str; + + switch (nsvc->nse->ll) { + case GPRS_NS2_LL_UNDEF: + break; + case GPRS_NS2_LL_UDP: + switch (nsvc->nse->dialect) { + case NS2_DIALECT_IPACCESS: + addr = gprs_ns2_ip_vc_remote(nsvc); + if (!addr) + break; + if (osmo_sockaddr_str_from_sockaddr(&addr_str, &addr->u.sas)) + break; + vty_out(vty, " nsvc ipa %s %s %u nsvci %u%s", + nsvc->bind->name, addr_str.ip, addr_str.port, + nsvc->nsvci, VTY_NEWLINE); + break; + case NS2_DIALECT_STATIC_ALIVE: + addr = gprs_ns2_ip_vc_remote(nsvc); + if (!addr) + break; + if (osmo_sockaddr_str_from_sockaddr(&addr_str, &addr->u.sas)) + break; + vty_out(vty, " nsvc udp %s %s %u%s", + nsvc->bind->name, addr_str.ip, addr_str.port, VTY_NEWLINE); + break; + default: + break; + } + break; + case GPRS_NS2_LL_FR: + netif = gprs_ns2_fr_bind_netif(nsvc->bind); + if (!netif) + break; + dlci = gprs_ns2_fr_nsvc_dlci(nsvc); + if (!dlci) + break; + OSMO_ASSERT(nsvc->nsvci_is_valid); + vty_out(vty, " nsvc fr %s dlci %u nsvci %u%s", + netif, dlci, nsvc->nsvci, VTY_NEWLINE); + break; + case GPRS_NS2_LL_FR_GRE: + break; + } +} + +static void _config_write_ns_nse(struct vty *vty, struct gprs_ns2_nse *nse) +{ + struct gprs_ns2_vc *nsvc; + + vty_out(vty, " nse %u%s", nse->nsei, VTY_NEWLINE); + switch (nse->dialect) { + case NS2_DIALECT_SNS: + gprs_ns2_sns_write_vty(vty, nse); + break; + default: + llist_for_each_entry(nsvc, &nse->nsvc, list) { + config_write_nsvc(vty, nsvc); + } + break; + } +} + +static int config_write_ns(struct vty *vty) +{ + unsigned int i; + + vty_out(vty, "ns%s", VTY_NEWLINE); + + for (i = 0; i < ARRAY_SIZE(vty_nsi->timeout); i++) + vty_out(vty, " timer %s %u%s", + get_value_string(gprs_ns_timer_strs, i), + vty_nsi->timeout[i], VTY_NEWLINE); + + return 0; +} + +static int config_write_ns_nse(struct vty *vty) +{ + struct gprs_ns2_nse *nse; + + llist_for_each_entry(nse, &vty_nsi->nse, list) { + if (!nse->persistent) + continue; + + _config_write_ns_nse(vty, nse); + } + + return 0; +} + +static int config_write_ns_bind(struct vty *vty) +{ + struct vty_bind *vbind; + + llist_for_each_entry(vbind, &binds, list) { + config_write_vbind(vty, vbind); + } + + return 0; +} + +static struct cmd_node ns_bind_node = { + L_NS_BIND_NODE, + "%s(config-ns-bind)# ", + 1, +}; + +DEFUN(cfg_ns_bind_listen, cfg_ns_bind_listen_cmd, + "listen " VTY_IPV46_CMD " <1-65535>", + "Binding\n" + "IPv4 Address\n" "IPv6 Address\n" + "Port\n" + ) +{ + struct vty_bind *vbind = vty->index; + struct gprs_ns2_vc_bind *bind; + + const char *addr_str = argv[0]; + unsigned int port = atoi(argv[1]); + struct osmo_sockaddr_str sockaddr_str; + struct osmo_sockaddr sockaddr; + + if (vbind->ll != GPRS_NS2_LL_UDP) { + vty_out(vty, "listen can be only used with UDP bind%s", + VTY_NEWLINE); + return CMD_WARNING; + } + + if (osmo_sockaddr_str_from_str(&sockaddr_str, addr_str, port)) { + vty_out(vty, "Can not parse the Address %s %s%s", argv[0], argv[1], VTY_NEWLINE); + return CMD_WARNING; + } + osmo_sockaddr_str_to_sockaddr(&sockaddr_str, &sockaddr.u.sas); + if (gprs_ns2_ip_bind_by_sockaddr(vty_nsi, &sockaddr)) { + vty_out(vty, "A bind with the specified address already exists!%s", VTY_NEWLINE); + return CMD_WARNING; + } + + if (gprs_ns2_ip_bind(vty_nsi, vbind->name, &sockaddr, vbind->dscp, &bind) != 0) { + vty_out(vty, "Failed to create the bind!%s", VTY_NEWLINE); + return CMD_WARNING; + } + + bind->accept_ipaccess = vbind->accept_ipaccess; + bind->accept_sns = vbind->accept_sns; + + return CMD_SUCCESS; +} + +DEFUN(cfg_no_ns_bind_listen, cfg_no_ns_bind_listen_cmd, + "no listen", + NO_STR + "Delete a IP/Port assignment\n" + ) +{ + struct vty_bind *vbind = vty->index; + struct gprs_ns2_vc_bind *bind; + + if (vbind->ll != GPRS_NS2_LL_UDP) { + vty_out(vty, "no listen can be only used with UDP bind%s", VTY_NEWLINE); + return CMD_WARNING; + } + + bind = gprs_ns2_bind_by_name(vty_nsi, vbind->name); + if (!bind) + return CMD_ERR_NOTHING_TODO; + + OSMO_ASSERT(bind->ll != GPRS_NS2_LL_UDP); + bind->driver->free_bind(bind); + return CMD_SUCCESS; +} + +DEFUN(cfg_ns_bind_dscp, cfg_ns_bind_dscp_cmd, + "dscp <0-255>", + "Set DSCP/TOS on the UDP socket\n" "DSCP Value\n") +{ + struct vty_bind *vbind = vty->index; + struct gprs_ns2_vc_bind *bind; + uint16_t dscp = atoi(argv[0]); + + if (vbind->ll != GPRS_NS2_LL_UDP) { + vty_out(vty, "dscp can be only used with UDP bind%s", + VTY_NEWLINE); + return CMD_WARNING; + } + + vbind->dscp = dscp; + bind = gprs_ns2_bind_by_name(vty_nsi, vbind->name); + if (bind) + gprs_ns2_ip_bind_set_dscp(bind, dscp); + + return CMD_SUCCESS; +} + +DEFUN(cfg_no_ns_bind_dscp, cfg_no_ns_bind_dscp_cmd, + "no dscp", + "Set DSCP/TOS on the UDP socket\n" "DSCP Value\n") +{ + struct vty_bind *vbind = vty->index; + struct gprs_ns2_vc_bind *bind; + uint16_t dscp = 0; + + if (vbind->ll != GPRS_NS2_LL_UDP) { + vty_out(vty, "dscp can be only used with UDP bind%s", + VTY_NEWLINE); + return CMD_WARNING; + } + + vbind->dscp = dscp; + bind = gprs_ns2_bind_by_name(vty_nsi, vbind->name); + if (bind) + gprs_ns2_ip_bind_set_dscp(bind, dscp); + + return CMD_SUCCESS; +} + +DEFUN(cfg_ns_bind_ipaccess, cfg_ns_bind_ipaccess_cmd, + "accept-ipaccess", + "Allow to create dynamic NS Entity by NS Reset PDU on UDP (ip.access style)\n" + ) +{ + struct vty_bind *vbind = vty->index; + struct gprs_ns2_vc_bind *bind; + + if (vbind->ll != GPRS_NS2_LL_UDP) { + vty_out(vty, "accept-ipaccess can be only used with UDP bind%s", + VTY_NEWLINE); + return CMD_WARNING; + } + + vbind->accept_ipaccess = true; + bind = gprs_ns2_bind_by_name(vty_nsi, vbind->name); + if (bind) + bind->accept_ipaccess = true; + + return CMD_SUCCESS; +} + +DEFUN(cfg_no_ns_bind_ipaccess, cfg_no_ns_bind_ipaccess_cmd, + "no accept-ipaccess", + NO_STR + "Reject NS Reset PDU on UDP (ip.access style)\n" + ) +{ + struct vty_bind *vbind = vty->index; + struct gprs_ns2_vc_bind *bind; + + if (vbind->ll != GPRS_NS2_LL_UDP) { + vty_out(vty, "no accept-ipaccess can be only used with UDP bind%s", + VTY_NEWLINE); + return CMD_WARNING; + } + + vbind->accept_ipaccess = false; + bind = gprs_ns2_bind_by_name(vty_nsi, vbind->name); + if (bind) + bind->accept_ipaccess = false; + + return CMD_SUCCESS; +} + + +DEFUN(cfg_ns_bind_fr, cfg_ns_bind_fr_cmd, + "fr NETIF (fr|frnet)", + "frame relay\n" + IFNAME_STR + "fr (user) is used by BSS or SGSN attached to UNI of a FR network\n" + "frnet (network) is used by SGSN if BSS is directly attached\n" + ) +{ + struct vty_bind *vbind = vty->index; + struct gprs_ns2_vc_bind *bind; + const char *netif = argv[0]; + const char *role = argv[1]; + + int rc = 0; + enum osmo_fr_role frrole; + + if (vbind->ll != GPRS_NS2_LL_FR) { + vty_out(vty, "fr can be only used with frame relay bind%s", VTY_NEWLINE); + return CMD_WARNING; + } + + if (!strcmp(role, "fr")) + frrole = FR_ROLE_USER_EQUIPMENT; + else if (!strcmp(role, "frnet")) + frrole = FR_ROLE_NETWORK_EQUIPMENT; + else + return CMD_WARNING; + + bind = gprs_ns2_fr_bind_by_netif(vty_nsi, netif); + if (bind) { + vty_out(vty, "Interface %s already used.%s", netif, VTY_NEWLINE); + return CMD_WARNING; + } + + rc = gprs_ns2_fr_bind(vty_nsi, vbind->name, netif, vty_fr_network, frrole, &bind); + if (rc < 0) { + LOGP(DLNS, LOGL_ERROR, "Failed to bind interface %s on fr. Err: %d\n", netif, rc); + return CMD_WARNING; + } + + return CMD_SUCCESS; +} + +DEFUN(cfg_no_ns_bind_fr, cfg_no_ns_bind_fr_cmd, + "no fr NETIF", + NO_STR + "Delete a frame relay link\n" + "Delete a frame relay link\n" + IFNAME_STR + ) +{ + struct vty_bind *vbind = vty->index; + struct gprs_ns2_vc_bind *bind; + const char *netif = argv[0]; + + if (vbind->ll != GPRS_NS2_LL_FR) { + vty_out(vty, "fr can be only used with frame relay bind%s", + VTY_NEWLINE); + return CMD_WARNING; + } + + bind = gprs_ns2_fr_bind_by_netif(vty_nsi, netif); + if (!bind) { + vty_out(vty, "Interface not found.%s", VTY_NEWLINE); + return CMD_WARNING; + } + + if (strcmp(bind->name, vbind->name)) { + vty_out(vty, "The specified interface is not bound to this bind.%s", VTY_NEWLINE); + return CMD_WARNING; + } + + bind->driver->free_bind(bind); + return CMD_SUCCESS; +} + + +static struct cmd_node ns_nse_node = { + L_NS_NSE_NODE, + "%s(config-ns-nse)# ", + 1, +}; + +DEFUN(cfg_ns_nse_nsvc_fr, cfg_ns_nse_nsvc_fr_cmd, + "nsvc fr NETIF dlci <16-1007> nsvci <0-65535>", + "NS Virtual Connection\n" + "frame relay\n" + "frame relay interface. Must be registered via fr vty\n" + NSVCI_STR + NSVCI_STR + DLCI_STR + DLCI_STR + ) +{ + struct gprs_ns2_vc_bind *bind; + struct gprs_ns2_vc *nsvc; + struct gprs_ns2_nse *nse = vty->index; + const char *netif = argv[0]; + uint16_t dlci = atoi(argv[1]); + uint16_t nsvci = atoi(argv[2]); + bool dialect_modified = false; + bool ll_modified = false; + + if (nse->ll != GPRS_NS2_LL_FR && nse->ll != GPRS_NS2_LL_UNDEF) { + vty_out(vty, "Can not mix NS-VC with different link layer%s", VTY_NEWLINE); + goto err; + } + + if (nse->dialect != NS2_DIALECT_STATIC_RESETBLOCK && nse->dialect != NS2_DIALECT_UNDEF) { + vty_out(vty, "Can not mix NS-VC with different dialects%s", VTY_NEWLINE); + goto err; + } + + if (nse->ll == GPRS_NS2_LL_UNDEF) { + nse->ll = GPRS_NS2_LL_FR; + ll_modified = true; + } + + if (nse->dialect == NS2_DIALECT_UNDEF) { + nse->dialect = NS2_DIALECT_STATIC_RESETBLOCK; + dialect_modified = true; + } + + + bind = gprs_ns2_fr_bind_by_netif(vty_nsi, netif); + if (!bind) { + vty_out(vty, "Can not find fr interface \"%s\". Please configure it via fr vty.%s", + netif, VTY_NEWLINE); + goto err; + } + + if (gprs_ns2_fr_nsvc_by_dlci(bind, dlci)) { + vty_out(vty, "A NS-VC with the specified DLCI already exist!%s", VTY_NEWLINE); + goto err; + } + + if (gprs_ns2_nsvc_by_nsvci(vty_nsi, nsvci)) { + vty_out(vty, "A NS-VC with the specified NS-VCI already exist!%s", VTY_NEWLINE); + goto err; + } + + nsvc = gprs_ns2_fr_connect(bind, nse, nsvci, dlci); + if (!nsvc) { + /* Could not create NS-VC, connect failed */ + vty_out(vty, "Failed to create the NS-VC%s", VTY_NEWLINE); + goto err; + } + nsvc->persistent = true; + return CMD_SUCCESS; + +err: + if (ll_modified) + nse->ll = GPRS_NS2_LL_UNDEF; + if (dialect_modified) + nse->dialect = NS2_DIALECT_UNDEF; + + return CMD_WARNING; +} + +DEFUN(cfg_no_ns_nse_nsvc_fr_dlci, cfg_no_ns_nse_nsvc_fr_dlci_cmd, + "no nsvc fr NETIF dlci <16-1007>", + NO_STR + "Delete frame relay NS-VC\n" + "frame relay\n" + "frame relay interface. Must be registered via fr vty\n" + DLCI_STR + DLCI_STR + ) +{ + struct gprs_ns2_vc_bind *bind; + struct gprs_ns2_vc *nsvc; + struct gprs_ns2_nse *nse = vty->index; + const char *netif = argv[0]; + uint16_t dlci = atoi(argv[1]); + + if (nse->ll != GPRS_NS2_LL_FR) { + vty_out(vty, "This NSE doesn't support frame relay.%s", VTY_NEWLINE); + return CMD_WARNING; + } + + bind = gprs_ns2_fr_bind_by_netif(vty_nsi, netif); + if (!bind) { + vty_out(vty, "Can not find fr interface \"%s\"%s", + netif, VTY_NEWLINE); + return CMD_ERR_NOTHING_TODO; + } + + nsvc = gprs_ns2_fr_nsvc_by_dlci(bind, dlci); + if (!nsvc) { + vty_out(vty, "Can not find a NS-VC on fr interface %s with dlci %u%s", + netif, dlci, VTY_NEWLINE); + return CMD_WARNING; + } + + if (nse != nsvc->nse) { + vty_out(vty, "The specified NS-VC is not a part of the NSE %u!%s" + "To remove this NS-VC go to the vty node 'nse %u'%s", + nse->nsei, VTY_NEWLINE, + nsvc->nse->nsei, VTY_NEWLINE); + return CMD_WARNING; + } + + gprs_ns2_free_nsvc(nsvc); + if (llist_empty(&nse->nsvc)) { + nse->ll = GPRS_NS2_LL_UNDEF; + nse->dialect = NS2_DIALECT_UNDEF; + } + + return CMD_SUCCESS; +} + +DEFUN(cfg_no_ns_nse_nsvci, cfg_no_ns_nse_nsvci_cmd, + "no nsvc nsvci <0-65535>", + NO_STR + "Delete NSVC\n" + NSVCI_STR + NSVCI_STR + ) +{ + struct gprs_ns2_vc *nsvc; + struct gprs_ns2_nse *nse = vty->index; + uint16_t nsvci = atoi(argv[0]); + + switch (nse->dialect) { + case NS2_DIALECT_SNS: + case NS2_DIALECT_STATIC_ALIVE: + vty_out(vty, "NSE doesn't support NSVCI.%s", VTY_NEWLINE); + return CMD_WARNING; + case NS2_DIALECT_UNDEF: + vty_out(vty, "No NSVCs configured%s", VTY_NEWLINE); + return CMD_WARNING; + case NS2_DIALECT_IPACCESS: + case NS2_DIALECT_STATIC_RESETBLOCK: + break; + } + + nsvc = gprs_ns2_nsvc_by_nsvci(vty_nsi, nsvci); + if (!nsvc) { + vty_out(vty, "Can not find NS-VC with NS-VCI %u%s", nsvci, VTY_NEWLINE); + return CMD_WARNING; + } + + if (nse != nsvc->nse) { + vty_out(vty, "NS-VC with NS-VCI %u is not part of this NSE!%s", + nsvci, VTY_NEWLINE); + return CMD_WARNING; + } + + gprs_ns2_free_nsvc(nsvc); + if (llist_empty(&nse->nsvc)) { + nse->ll = GPRS_NS2_LL_UNDEF; + nse->dialect = NS2_DIALECT_UNDEF; + } + + return CMD_SUCCESS; +} + +DEFUN(cfg_ns_nse_nsvc_udp, cfg_ns_nse_nsvc_udp_cmd, + "nsvc udp BIND " VTY_IPV46_CMD " <1-65535>", + "NS Virtual Connection\n" + "NS over UDP\n" + "A unique bind identifier created by ns bind\n" + "Remote IPv4 Address\n" "Remote IPv6 Address\n" + "Remote UDP Port\n" + ) +{ + struct gprs_ns2_vc_bind *bind; + struct gprs_ns2_vc *nsvc; + struct gprs_ns2_nse *nse = vty->index; + bool dialect_modified = false; + bool ll_modified = false; + + const char *bind_name = argv[0]; + struct osmo_sockaddr_str remote_str; + struct osmo_sockaddr remote; + uint16_t port = atoi(argv[2]); + + if (nse->ll == GPRS_NS2_LL_UNDEF) { + nse->ll = GPRS_NS2_LL_UDP; + ll_modified = true; + } + + if (nse->dialect == NS2_DIALECT_UNDEF) { + nse->dialect = NS2_DIALECT_STATIC_ALIVE; + dialect_modified = true; + } + + if (nse->ll != GPRS_NS2_LL_UDP) { + vty_out(vty, "Can not mix NS-VC with different link layer%s", VTY_NEWLINE); + goto err; + } + + if (nse->dialect != NS2_DIALECT_STATIC_ALIVE) { + vty_out(vty, "Can not mix NS-VC with different dialects%s", VTY_NEWLINE); + goto err; + } + + if (osmo_sockaddr_str_from_str(&remote_str, argv[1], port)) { + vty_out(vty, "Can not parse IPv4/IPv6 or port.%s", VTY_NEWLINE); + goto err; + } + + if (osmo_sockaddr_str_to_sockaddr(&remote_str, &remote.u.sas)) { + vty_out(vty, "Can not parse IPv4/IPv6 or port.%s", VTY_NEWLINE); + goto err; + } + + bind = gprs_ns2_bind_by_name(vty_nsi, bind_name); + if (!bind) { + vty_out(vty, "Can not find bind with name %s%s", + bind_name, VTY_NEWLINE); + goto err; + } + + if (bind->ll != GPRS_NS2_LL_UDP) { + vty_out(vty, "Bind %s is not an UDP bind.%s", + bind_name, VTY_NEWLINE); + goto err; + } + + nsvc = gprs_ns2_ip_connect(bind, &remote, nse, 0); + if (!nsvc) { + vty_out(vty, "Can not create NS-VC.%s", VTY_NEWLINE); + goto err; + } + nsvc->persistent = true; + + return CMD_SUCCESS; + +err: + if (ll_modified) + nse->ll = GPRS_NS2_LL_UNDEF; + if (dialect_modified) + nse->dialect = NS2_DIALECT_UNDEF; + return CMD_WARNING; +} + +DEFUN(cfg_no_ns_nse_nsvc_udp, cfg_no_ns_nse_nsvc_udp_cmd, + "no nsvc udp BIND " VTY_IPV46_CMD " <1-65535>", + NO_STR + "Delete a NS Virtual Connection\n" + "NS over UDP\n" + "A unique bind identifier created by ns bind\n" + "Remote IPv4 Address\n" "Remote IPv6 Address\n" + "Remote UDP Port\n" + ) +{ + struct gprs_ns2_vc_bind *bind; + struct gprs_ns2_vc *nsvc; + struct gprs_ns2_nse *nse = vty->index; + const char *bind_name = argv[0]; + struct osmo_sockaddr_str remote_str; + struct osmo_sockaddr remote; + uint16_t port = atoi(argv[2]); + + if (nse->ll != GPRS_NS2_LL_UDP) { + vty_out(vty, "This NSE doesn't support UDP.%s", VTY_NEWLINE); + return CMD_WARNING; + } + + if (nse->dialect != NS2_DIALECT_STATIC_ALIVE) { + vty_out(vty, "This NSE doesn't support UDP with dialect static alive.%s", VTY_NEWLINE); + return CMD_WARNING; + } + + bind = gprs_ns2_bind_by_name(vty_nsi, bind_name); + if (!bind) { + vty_out(vty, "Can not find bind with name %s%s", + bind_name, VTY_NEWLINE); + return CMD_WARNING; + } + + if (bind->ll != GPRS_NS2_LL_UDP) { + vty_out(vty, "Bind %s is not an UDP bind.%s", + bind_name, VTY_NEWLINE); + return CMD_WARNING; + } + + if (osmo_sockaddr_str_from_str(&remote_str, argv[1], port)) { + vty_out(vty, "Can not parse IPv4/IPv6 or port.%s", VTY_NEWLINE); + return CMD_WARNING; + } + + if (osmo_sockaddr_str_to_sockaddr(&remote_str, &remote.u.sas)) { + vty_out(vty, "Can not parse IPv4/IPv6 or port.%s", VTY_NEWLINE); + return CMD_WARNING; + } + + nsvc = gprs_ns2_nsvc_by_sockaddr_bind(bind, &remote); + if (!nsvc) { + vty_out(vty, "Can not find NS-VC with remote %s:%u%s", + remote_str.ip, remote_str.port, VTY_NEWLINE); + return CMD_WARNING; + } + + if (!nsvc->persistent) { + vty_out(vty, "NS-VC with remote %s:%u is a dynamic NS-VC. Not configured by vty.%s", + remote_str.ip, remote_str.port, VTY_NEWLINE); + return CMD_WARNING; + } + + if (nsvc->nse != nse) { + vty_out(vty, "NS-VC is not part of this NSE!%s", VTY_NEWLINE); + return CMD_WARNING; + } + + gprs_ns2_free_nsvc(nsvc); + if (llist_empty(&nse->nsvc)) { + nse->ll = GPRS_NS2_LL_UNDEF; + nse->dialect = NS2_DIALECT_UNDEF; + } + + return CMD_SUCCESS; +} + +DEFUN(cfg_ns_nse_nsvc_ipa, cfg_ns_nse_nsvc_ipa_cmd, + "nsvc ipa BIND " VTY_IPV46_CMD " <1-65535> nsvci <0-65535>" , + "NS Virtual Connection\n" + "NS over UDP ip.access style (uses RESET/BLOCK)\n" + "A unique bind identifier created by ns bind\n" + "Remote IPv4 Address\n" "Remote IPv6 Address\n" + "Remote UDP Port\n" + NSVCI_STR + NSVCI_STR + ) +{ + struct gprs_ns2_vc_bind *bind; + struct gprs_ns2_vc *nsvc; + struct gprs_ns2_nse *nse = vty->index; + bool dialect_modified = false; + bool ll_modified = false; + + const char *bind_name = argv[0]; + struct osmo_sockaddr_str remote_str; + struct osmo_sockaddr remote; + uint16_t port = atoi(argv[2]); + uint16_t nsvci = atoi(argv[3]); + + if (nse->ll == GPRS_NS2_LL_UNDEF) { + nse->ll = GPRS_NS2_LL_UDP; + ll_modified = true; + } + + if (nse->dialect == NS2_DIALECT_UNDEF) { + nse->dialect = NS2_DIALECT_IPACCESS; + dialect_modified = true; + } + + if (nse->ll != GPRS_NS2_LL_UDP) { + vty_out(vty, "Can not mix NS-VC with different link layer%s", VTY_NEWLINE); + goto err; + } + + if (nse->dialect != NS2_DIALECT_IPACCESS) { + vty_out(vty, "Can not mix NS-VC with different dialects%s", VTY_NEWLINE); + goto err; + } + + if (osmo_sockaddr_str_from_str(&remote_str, argv[1], port)) { + vty_out(vty, "Can not parse IPv4/IPv6 or port.%s", VTY_NEWLINE); + goto err; + } + + if (osmo_sockaddr_str_to_sockaddr(&remote_str, &remote.u.sas)) { + vty_out(vty, "Can not parse IPv4/IPv6 or port.%s", VTY_NEWLINE); + goto err; + } + + bind = gprs_ns2_bind_by_name(vty_nsi, bind_name); + if (!bind) { + vty_out(vty, "Can not find bind with name %s%s", + bind_name, VTY_NEWLINE); + goto err; + } + + if (bind->ll != GPRS_NS2_LL_UDP) { + vty_out(vty, "Bind %s is not an UDP bind.%s", + bind_name, VTY_NEWLINE); + goto err; + } + + nsvc = gprs_ns2_ip_connect(bind, &remote, nse, nsvci); + if (!nsvc) { + vty_out(vty, "Can not create NS-VC.%s", VTY_NEWLINE); + goto err; + } + nsvc->persistent = true; + + return CMD_SUCCESS; + +err: + if (ll_modified) + nse->ll = GPRS_NS2_LL_UNDEF; + if (dialect_modified) + nse->dialect = NS2_DIALECT_UNDEF; + return CMD_WARNING; +} + +DEFUN(cfg_no_ns_nse_nsvc_ipa, cfg_no_ns_nse_nsvc_ipa_cmd, + "no nsvc ipa BIND " VTY_IPV46_CMD " <1-65535> nsvci <0-65535>", + NO_STR + "Delete a NS Virtual Connection\n" + "NS over UDP\n" + "A unique bind identifier created by ns bind\n" + "Remote IPv4 Address\n" "Remote IPv6 Address\n" + "Remote UDP Port\n" + NSVCI_STR + NSVCI_STR + ) +{ + struct gprs_ns2_vc_bind *bind; + struct gprs_ns2_vc *nsvc; + struct gprs_ns2_nse *nse = vty->index; + const char *bind_name = argv[0]; + struct osmo_sockaddr_str remote_str; + struct osmo_sockaddr remote; + uint16_t port = atoi(argv[2]); + uint16_t nsvci = atoi(argv[3]); + + if (nse->ll != GPRS_NS2_LL_UDP) { + vty_out(vty, "This NSE doesn't support UDP.%s", VTY_NEWLINE); + return CMD_WARNING; + } + + if (nse->dialect != NS2_DIALECT_IPACCESS) { + vty_out(vty, "This NSE doesn't support UDP with dialect ipaccess.%s", VTY_NEWLINE); + return CMD_WARNING; + } + + bind = gprs_ns2_bind_by_name(vty_nsi, bind_name); + if (!bind) { + vty_out(vty, "Can not find bind with name %s%s", + bind_name, VTY_NEWLINE); + return CMD_WARNING; + } + + if (bind->ll != GPRS_NS2_LL_UDP) { + vty_out(vty, "Bind %s is not an UDP bind.%s", + bind_name, VTY_NEWLINE); + return CMD_WARNING; + } + + if (osmo_sockaddr_str_from_str(&remote_str, argv[1], port)) { + vty_out(vty, "Can not parse IPv4/IPv6 or port.%s", VTY_NEWLINE); + return CMD_WARNING; + } + + if (osmo_sockaddr_str_to_sockaddr(&remote_str, &remote.u.sas)) { + vty_out(vty, "Can not parse IPv4/IPv6 or port.%s", VTY_NEWLINE); + return CMD_WARNING; + } + + nsvc = gprs_ns2_nsvc_by_sockaddr_bind(bind, &remote); + if (!nsvc) { + vty_out(vty, "Can not find NS-VC with remote %s:%u%s", + remote_str.ip, remote_str.port, VTY_NEWLINE); + return CMD_WARNING; + } + + if (!nsvc->persistent) { + vty_out(vty, "NS-VC with remote %s:%u is a dynamic NS-VC. Not configured by vty.%s", + remote_str.ip, remote_str.port, VTY_NEWLINE); + return CMD_WARNING; + } + + if (nsvc->nse != nse) { + vty_out(vty, "NS-VC is not part of this NSE!%s", VTY_NEWLINE); + return CMD_WARNING; + } + + if (!nsvc->nsvci_is_valid) { + vty_out(vty, "NS-VC doesn't have a nsvci!%s", VTY_NEWLINE); + return CMD_WARNING; + } + + if (nsvc->nsvci != nsvci) { + vty_out(vty, "NS-VC has a different nsvci (%u)!%s", + nsvc->nsvci, VTY_NEWLINE); + return CMD_WARNING; + } + + gprs_ns2_free_nsvc(nsvc); + if (llist_empty(&nse->nsvc)) { + nse->ll = GPRS_NS2_LL_UNDEF; + nse->dialect = NS2_DIALECT_UNDEF; + } + + return CMD_SUCCESS; +} + +DEFUN(cfg_ns_nse_ip_sns, cfg_ns_nse_ip_sns_cmd, + "ip-sns " VTY_IPV46_CMD " <1-65535>", + "SNS Initial Endpoint\n" + "SGSN IPv4 Address\n" "SGSN IPv6 Address\n" + "SGSN UDP Port\n" + ) +{ + struct gprs_ns2_nse *nse = vty->index; + bool dialect_modified = false; + bool ll_modified = false; + int rc; + + /* argv[0] */ + struct osmo_sockaddr_str remote_str; + struct osmo_sockaddr remote; + uint16_t port = atoi(argv[1]); + + if (nse->ll == GPRS_NS2_LL_UNDEF) { + nse->ll = GPRS_NS2_LL_UDP; + ll_modified = true; + } + + if (nse->dialect == NS2_DIALECT_UNDEF) { + char sns[16]; + snprintf(sns, sizeof(sns), "NSE%05u-SNS", nse->nsei); + nse->bss_sns_fi = ns2_sns_bss_fsm_alloc(nse, sns); + if (!nse->bss_sns_fi) + goto err; + nse->dialect = NS2_DIALECT_SNS; + dialect_modified = true; + } + + if (nse->ll != GPRS_NS2_LL_UDP) { + vty_out(vty, "Can not mix NS-VC with different link layer%s", VTY_NEWLINE); + goto err; + } + + if (nse->dialect != NS2_DIALECT_SNS) { + vty_out(vty, "Can not mix NS-VC with different dialects%s", VTY_NEWLINE); + goto err; + } + + if (osmo_sockaddr_str_from_str(&remote_str, argv[0], port)) { + vty_out(vty, "Can not parse IPv4/IPv6 or port.%s", VTY_NEWLINE); + goto err; + } + + if (osmo_sockaddr_str_to_sockaddr(&remote_str, &remote.u.sas)) { + vty_out(vty, "Can not parse IPv4/IPv6 or port.%s", VTY_NEWLINE); + goto err; + } + + rc = gprs_ns2_sns_add_endpoint(nse, &remote); + switch (rc) { + case 0: + return CMD_SUCCESS; + case -EADDRINUSE: + vty_out(vty, "Specified SNS endpoint already part of the NSE.%s", VTY_NEWLINE); + return CMD_WARNING; + default: + vty_out(vty, "Can not add specified SNS endpoint.%s", VTY_NEWLINE); + return CMD_WARNING; + } + +err: + if (ll_modified) + nse->ll = GPRS_NS2_LL_UNDEF; + if (dialect_modified) + nse->dialect = NS2_DIALECT_UNDEF; + return CMD_WARNING; +} + +DEFUN(cfg_no_ns_nse_ip_sns, cfg_no_ns_nse_ip_sns_cmd, + "no ip-sns " VTY_IPV46_CMD " <1-65535>", + NO_STR + "Delete a SNS Initial Endpoint\n" + "SGSN IPv4 Address\n" "SGSN IPv6 Address\n" + "SGSN UDP Port\n" + ) +{ + struct gprs_ns2_nse *nse = vty->index; + struct osmo_sockaddr_str remote_str; /* argv[0] */ + struct osmo_sockaddr remote; + uint16_t port = atoi(argv[1]); + int count; + + if (nse->ll != GPRS_NS2_LL_UDP) { + vty_out(vty, "This NSE doesn't support UDP.%s", VTY_NEWLINE); + return CMD_WARNING; + } + + if (nse->dialect != NS2_DIALECT_SNS) { + vty_out(vty, "This NSE doesn't support UDP with dialect ip-sns.%s", VTY_NEWLINE); + return CMD_WARNING; + } + + if (osmo_sockaddr_str_from_str(&remote_str, argv[0], port)) { + vty_out(vty, "Can not parse IPv4/IPv6 or port.%s", VTY_NEWLINE); + return CMD_WARNING; + } + + if (osmo_sockaddr_str_to_sockaddr(&remote_str, &remote.u.sas)) { + vty_out(vty, "Can not parse IPv4/IPv6 or port.%s", VTY_NEWLINE); + return CMD_WARNING; + } + + if (gprs_ns2_sns_del_endpoint(nse, &remote)) { + vty_out(vty, "Can not remove specified SNS endpoint.%s", VTY_NEWLINE); + return CMD_WARNING; + } + + count = gprs_ns2_sns_count(nse); + if (count > 0) { + /* there are other sns endpoints */ + return CMD_SUCCESS; + } else if (count < 0) { + OSMO_ASSERT(0); + } else { + /* clean up nse to allow other nsvc commands */ + osmo_fsm_inst_term(nse->bss_sns_fi, OSMO_FSM_TERM_REQUEST, NULL); + nse->bss_sns_fi = NULL; + nse->ll = GPRS_NS2_LL_UNDEF; + nse->dialect = NS2_DIALECT_UNDEF; + } + + return CMD_SUCCESS; +} + + +/* non-config commands */ +static void dump_nsvc(struct vty *vty, struct gprs_ns2_vc *nsvc, bool stats) +{ + char nsvci_str[32]; + + if (nsvc->nsvci_is_valid) + snprintf(nsvci_str, sizeof(nsvci_str), "%05u", nsvc->nsvci); + else + snprintf(nsvci_str, sizeof(nsvci_str), "none"); + + vty_out(vty, " NSVCI %s: %s %s data_weight=%u sig_weight=%u %s%s", nsvci_str, + osmo_fsm_inst_state_name(nsvc->fi), + nsvc->persistent ? "PERSIST" : "DYNAMIC", + nsvc->data_weight, nsvc->sig_weight, + gprs_ns2_ll_str(nsvc), VTY_NEWLINE); + + if (stats) { + vty_out_rate_ctr_group(vty, " ", nsvc->ctrg); + vty_out_stat_item_group(vty, " ", nsvc->statg); + } +} + +static void dump_nse(struct vty *vty, const struct gprs_ns2_nse *nse, bool stats, bool persistent_only) +{ + struct gprs_ns2_vc *nsvc; + + vty_out(vty, "NSEI %05u: %s, %s%s", nse->nsei, gprs_ns2_lltype_str(nse->ll), + nse->alive ? "ALIVE" : "DEAD", VTY_NEWLINE); + + gprs_ns2_sns_dump_vty(vty, nse, stats); + llist_for_each_entry(nsvc, &nse->nsvc, list) { + if (persistent_only) { + if (nsvc->persistent) + dump_nsvc(vty, nsvc, stats); + } else { + dump_nsvc(vty, nsvc, stats); + } + } +} + +static void dump_bind(struct vty *vty, const struct gprs_ns2_vc_bind *bind, bool stats) +{ + if (bind->dump_vty) + bind->dump_vty(bind, vty, stats); +} + +static void dump_ns_bind(struct vty *vty, const struct gprs_ns2_inst *nsi, bool stats) +{ + struct gprs_ns2_vc_bind *bind; + + llist_for_each_entry(bind, &nsi->binding, list) { + dump_bind(vty, bind, stats); + } +} + + +static void dump_ns_entities(struct vty *vty, const struct gprs_ns2_inst *nsi, bool stats, bool persistent_only) +{ + struct gprs_ns2_nse *nse; + + llist_for_each_entry(nse, &nsi->nse, list) { + dump_nse(vty, nse, stats, persistent_only); + } +} + +/* Backwards compatibility, among other things for the TestVTYGbproxy which expects + * 'show ns' to output something about binds */ +DEFUN_HIDDEN(show_ns, show_ns_cmd, "show ns", + SHOW_STR SHOW_NS_STR) +{ + dump_ns_entities(vty, vty_nsi, false, false); + dump_ns_bind(vty, vty_nsi, false); + return CMD_SUCCESS; +} + + +DEFUN(show_ns_binds, show_ns_binds_cmd, "show ns binds [stats]", + SHOW_STR SHOW_NS_STR + "Display information about the NS protocol binds\n" + "Include statistic\n") +{ + bool stats = false; + if (argc > 0) + stats = true; + + dump_ns_bind(vty, vty_nsi, stats); + return CMD_SUCCESS; +} + +DEFUN(show_ns_entities, show_ns_entities_cmd, "show ns entities [stats]", + SHOW_STR SHOW_NS_STR + "Display information about the NS protocol entities (NSEs)\n" + "Include statistics\n") +{ + bool stats = false; + if (argc > 0) + stats = true; + + dump_ns_entities(vty, vty_nsi, stats, false); + return CMD_SUCCESS; +} + +DEFUN(show_ns_pers, show_ns_pers_cmd, "show ns persistent", + SHOW_STR SHOW_NS_STR + "Show only persistent NS\n") +{ + dump_ns_entities(vty, vty_nsi, true, true); + return CMD_SUCCESS; +} + +DEFUN(show_nse, show_nse_cmd, "show ns (nsei|nsvc) <0-65535> [stats]", + SHOW_STR SHOW_NS_STR + "Select one NSE by its NSE Identifier\n" + "Select one NSE by its NS-VC Identifier\n" + "The Identifier of selected type\n" + "Include Statistics\n") +{ + struct gprs_ns2_inst *nsi = vty_nsi; + struct gprs_ns2_nse *nse; + struct gprs_ns2_vc *nsvc; + uint16_t id = atoi(argv[1]); + bool show_stats = false; + + if (argc >= 3) + show_stats = true; + + if (!strcmp(argv[0], "nsei")) { + nse = gprs_ns2_nse_by_nsei(nsi, id); + if (!nse) { + return CMD_WARNING; + } + + dump_nse(vty, nse, show_stats, false); + } else { + nsvc = gprs_ns2_nsvc_by_nsvci(nsi, id); + + if (!nsvc) { + vty_out(vty, "No such NS Entity%s", VTY_NEWLINE); + return CMD_WARNING; + } + + dump_nsvc(vty, nsvc, show_stats); + } + + return CMD_SUCCESS; +} + +static int nsvc_force_unconf_cb(struct gprs_ns2_vc *nsvc, void *ctx) +{ + gprs_ns2_vc_force_unconfigured(nsvc); + return 0; +} + +DEFUN_HIDDEN(nsvc_force_unconf, nsvc_force_unconf_cmd, + "nsvc nsei <0-65535> force-unconfigured", + "NS Virtual Connection\n" + "The NSEI\n" + "Reset the NSVCs back to initial state\n" + ) +{ + struct gprs_ns2_inst *nsi = vty_nsi; + struct gprs_ns2_nse *nse; + + uint16_t id = atoi(argv[0]); + + nse = gprs_ns2_nse_by_nsei(nsi, id); + if (!nse) { + vty_out(vty, "Could not find NSE for NSEI %u%s", id, VTY_NEWLINE); + return CMD_WARNING; + } + + /* Perform the operation for all nsvc */ + gprs_ns2_nse_foreach_nsvc(nse, nsvc_force_unconf_cb, NULL); + + return CMD_SUCCESS; +} + +static void log_set_nse_filter(struct log_target *target, + struct gprs_ns2_nse *nse) +{ + if (nse) { + target->filter_map |= (1 << LOG_FLT_GB_NSE); + target->filter_data[LOG_FLT_GB_NSE] = nse; + } else if (target->filter_data[LOG_FLT_GB_NSE]) { + target->filter_map = ~(1 << LOG_FLT_GB_NSE); + target->filter_data[LOG_FLT_GB_NSE] = NULL; + } +} + +static void log_set_nsvc_filter(struct log_target *target, + struct gprs_ns2_vc *nsvc) +{ + if (nsvc) { + target->filter_map |= (1 << LOG_FLT_GB_NSVC); + target->filter_data[LOG_FLT_GB_NSVC] = nsvc; + } else if (target->filter_data[LOG_FLT_GB_NSVC]) { + target->filter_map = ~(1 << LOG_FLT_GB_NSVC); + target->filter_data[LOG_FLT_GB_NSVC] = NULL; + } +} + +DEFUN(logging_fltr_nse, + logging_fltr_nse_cmd, + "logging filter nse nsei <0-65535>", + LOGGING_STR FILTER_STR + "Filter based on NS Entity\n" + "Identify NSE by NSEI\n" + "Numeric identifier\n") +{ + struct log_target *tgt; + struct gprs_ns2_nse *nse; + uint16_t id = atoi(argv[0]); + + log_tgt_mutex_lock(); + tgt = osmo_log_vty2tgt(vty); + if (!tgt) { + log_tgt_mutex_unlock(); + return CMD_WARNING; + } + + nse = gprs_ns2_nse_by_nsei(vty_nsi, id); + if (!nse) { + vty_out(vty, "No NSE by that identifier%s", VTY_NEWLINE); + log_tgt_mutex_unlock(); + return CMD_WARNING; + } + + log_set_nse_filter(tgt, nse); + log_tgt_mutex_unlock(); + return CMD_SUCCESS; +} + +/* TODO: add filter for single connection by description */ +DEFUN(logging_fltr_nsvc, + logging_fltr_nsvc_cmd, + "logging filter nsvc nsvci <0-65535>", + LOGGING_STR FILTER_STR + "Filter based on NS Virtual Connection\n" + "Identify NS-VC by NSVCI\n" + "Numeric identifier\n") +{ + struct log_target *tgt; + struct gprs_ns2_vc *nsvc; + uint16_t id = atoi(argv[0]); + + log_tgt_mutex_lock(); + tgt = osmo_log_vty2tgt(vty); + if (!tgt) { + log_tgt_mutex_unlock(); + return CMD_WARNING; + } + + nsvc = gprs_ns2_nsvc_by_nsvci(vty_nsi, id); + if (!nsvc) { + vty_out(vty, "No NS-VC by that identifier%s", VTY_NEWLINE); + log_tgt_mutex_unlock(); + return CMD_WARNING; + } + + log_set_nsvc_filter(tgt, nsvc); + log_tgt_mutex_unlock(); + return CMD_SUCCESS; +} + +int gprs_ns2_vty2_init(struct gprs_ns2_inst *nsi) +{ + vty_nsi = nsi; + INIT_LLIST_HEAD(&binds); + + vty_fr_network = osmo_fr_network_alloc(nsi); + if (!vty_fr_network) + return -ENOMEM; + + install_lib_element_ve(&show_ns_cmd); + install_lib_element_ve(&show_ns_binds_cmd); + install_lib_element_ve(&show_ns_entities_cmd); + install_lib_element_ve(&show_ns_pers_cmd); + install_lib_element_ve(&show_nse_cmd); + install_lib_element_ve(&logging_fltr_nse_cmd); + install_lib_element_ve(&logging_fltr_nsvc_cmd); + + install_lib_element(ENABLE_NODE, &nsvc_force_unconf_cmd); + + install_lib_element(CFG_LOG_NODE, &logging_fltr_nse_cmd); + install_lib_element(CFG_LOG_NODE, &logging_fltr_nsvc_cmd); + + install_lib_element(CONFIG_NODE, &cfg_ns_cmd); + + install_node(&ns_node, config_write_ns); + /* TODO: convert into osmo timer */ + install_lib_element(L_NS_NODE, &cfg_ns_timer_cmd); + install_lib_element(L_NS_NODE, &cfg_ns_nsei_cmd); + install_lib_element(L_NS_NODE, &cfg_no_ns_nsei_cmd); + install_lib_element(L_NS_NODE, &cfg_ns_bind_cmd); + install_lib_element(L_NS_NODE, &cfg_no_ns_bind_cmd); + + install_node(&ns_bind_node, config_write_ns_bind); + install_lib_element(L_NS_BIND_NODE, &cfg_ns_bind_listen_cmd); + install_lib_element(L_NS_BIND_NODE, &cfg_no_ns_bind_listen_cmd); + install_lib_element(L_NS_BIND_NODE, &cfg_ns_bind_dscp_cmd); + install_lib_element(L_NS_BIND_NODE, &cfg_no_ns_bind_dscp_cmd); + install_lib_element(L_NS_BIND_NODE, &cfg_ns_bind_ipaccess_cmd); + install_lib_element(L_NS_BIND_NODE, &cfg_no_ns_bind_ipaccess_cmd); + install_lib_element(L_NS_BIND_NODE, &cfg_ns_bind_fr_cmd); + install_lib_element(L_NS_BIND_NODE, &cfg_no_ns_bind_fr_cmd); + /* TODO: accept-ip-sns when SGSN SNS has been implemented */ + + install_node(&ns_nse_node, config_write_ns_nse); + install_lib_element(L_NS_NSE_NODE, &cfg_ns_nse_nsvc_fr_cmd); + install_lib_element(L_NS_NSE_NODE, &cfg_no_ns_nse_nsvci_cmd); + install_lib_element(L_NS_NSE_NODE, &cfg_no_ns_nse_nsvc_fr_dlci_cmd); + install_lib_element(L_NS_NSE_NODE, &cfg_ns_nse_nsvc_udp_cmd); + install_lib_element(L_NS_NSE_NODE, &cfg_no_ns_nse_nsvc_udp_cmd); + install_lib_element(L_NS_NSE_NODE, &cfg_ns_nse_nsvc_ipa_cmd); + install_lib_element(L_NS_NSE_NODE, &cfg_no_ns_nse_nsvc_ipa_cmd); + install_lib_element(L_NS_NSE_NODE, &cfg_ns_nse_ip_sns_cmd); + install_lib_element(L_NS_NSE_NODE, &cfg_no_ns_nse_ip_sns_cmd); + + return 0; +} diff --git a/src/gb/libosmogb.map b/src/gb/libosmogb.map index 8f638fff..5c029b04 100644 --- a/src/gb/libosmogb.map +++ b/src/gb/libosmogb.map @@ -164,6 +164,7 @@ gprs_ns2_sns_add_endpoint; gprs_ns2_sns_del_endpoint; gprs_ns2_vty_create; gprs_ns2_vty_init; +gprs_ns2_vty2_init; gprs_nsvc_create2; gprs_nsvc_delete; -- cgit v1.2.3