From caf53174128a6c383d7f81b6f2c60049c4134571 Mon Sep 17 00:00:00 2001 From: Pau Espin Pedrol Date: Thu, 28 Jan 2021 13:37:50 +0100 Subject: Revert "gprs_ns2: drop gprs_ns2_vty, rename vty2 -> vty" This reverts commit b306094448564e27bc031b519396f1b0e294b231. It was merged too quickly and patches for projects using related features are not yet prepared. Change-Id: I8a2aaf74a47de8f4f0adb37d16426d199788e3fe --- src/gb/Makefile.am | 2 +- src/gb/gprs_ns2_vty.c | 1885 ++++++++++++++++-------------------------------- src/gb/gprs_ns2_vty2.c | 1676 ++++++++++++++++++++++++++++++++++++++++++ src/gb/libosmogb.map | 2 + 4 files changed, 2284 insertions(+), 1281 deletions(-) create mode 100644 src/gb/gprs_ns2_vty2.c (limited to 'src') diff --git a/src/gb/Makefile.am b/src/gb/Makefile.am index d0db8144..031971b6 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_rim.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 diff --git a/src/gb/gprs_ns2_vty.c b/src/gb/gprs_ns2_vty.c index b6ae5b46..f8036551 100644 --- a/src/gb/gprs_ns2_vty.c +++ b/src/gb/gprs_ns2_vty.c @@ -1,7 +1,9 @@ /*! \file gprs_ns2_vty.c * VTY interface for our GPRS Networks Service (NS) implementation. */ -/* (C) 2020 by sysmocom - s.f.m.c. GmbH +/* (C) 2009-2014 by Harald Welte + * (C) 2016-2017 by sysmocom - s.f.m.c. GmbH + * (C) 2020 by sysmocom - s.f.m.c. GmbH * Author: Alexander Couzens * * All Rights Reserved @@ -31,44 +33,67 @@ #include #include +#include #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 ns2_vty_priv { + /* global listen */ + struct osmo_sockaddr_str udp; + struct osmo_sockaddr_str frgreaddr; + int dscp; + enum gprs_ns2_vc_mode vc_mode; + bool frgre; -struct vty_bind { + struct llist_head vtyvc; +}; + +struct ns2_vty_vc { struct llist_head list; - const char *name; + + struct osmo_sockaddr_str remote; enum gprs_ns2_ll ll; - int dscp; - bool accept_ipaccess; - bool accept_sns; + + /* old vty code doesnt support multiple NSVCI per NSEI */ + uint16_t nsei; + uint16_t nsvci; + uint16_t frdlci; + + struct { + enum osmo_fr_role role; + } fr; + + char netif[IF_NAMESIZE]; + + bool remote_end_is_sgsn; + bool configured; }; -/* TODO: this should into osmo timer */ +static struct gprs_ns2_inst *vty_nsi = NULL; +static struct ns2_vty_priv priv; +static struct osmo_fr_network *vty_fr_network = NULL; + +/* FIXME: this should go to some common file as it is copied + * in vty_interface.c of the BSC */ static const struct value_string gprs_ns_timer_strs[] = { { 0, "tns-block" }, { 1, "tns-block-retries" }, @@ -83,51 +108,28 @@ static const struct value_string gprs_ns_timer_strs[] = { { 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) +static void log_set_nse_filter(struct log_target *target, + struct gprs_ns2_nse *nse) { - struct vty_bind *vbind; - llist_for_each_entry(vbind, &binds, list) { - if (!strncmp(vbind->name, name, strlen(vbind->name))) - return vbind; + 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; } - return NULL; } -static struct vty_bind *vty_bind_alloc(const char *name) +static void log_set_nsvc_filter(struct log_target *target, + struct gprs_ns2_vc *nsvc) { - struct vty_bind *vbind = talloc_zero(vty_nsi, struct vty_bind); - if (!vbind) - return NULL; - - vbind->name = talloc_strdup(vty_nsi, name); - if (!vbind->name) { - talloc_free(vbind); - return NULL; + 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; } - - 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 = { @@ -136,1191 +138,138 @@ static struct cmd_node ns_node = { 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, GPRS_NS2_DIALECT_UNDEF); - if (!nse) { - vty_out(vty, "Failed to create NSE!%s", VTY_NEWLINE); - return CMD_ERR_INCOMPLETE; - } - nse->persistent = true; - } +static struct ns2_vty_vc *vtyvc_alloc(uint16_t nsei) { + struct ns2_vty_vc *vtyvc = talloc_zero(vty_nsi, struct ns2_vty_vc); + if (!vtyvc) + return vtyvc; - 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; - } + vtyvc->nsei = nsei; - vty->node = L_NS_NSE_NODE; - vty->index = nse; + llist_add(&vtyvc->list, &priv.vtyvc); - return CMD_SUCCESS; + return vtyvc; } -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: +static void ns2_vc_free(struct ns2_vty_vc *vtyvc) { + if (!vtyvc) 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 GPRS_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 GPRS_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 GPRS_NS2_DIALECT_SNS: - 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 != GPRS_NS2_DIALECT_STATIC_RESETBLOCK && nse->dialect != GPRS_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 == GPRS_NS2_DIALECT_UNDEF) { - nse->dialect = GPRS_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 = GPRS_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 = GPRS_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 GPRS_NS2_DIALECT_SNS: - case GPRS_NS2_DIALECT_STATIC_ALIVE: - vty_out(vty, "NSE doesn't support NSVCI.%s", VTY_NEWLINE); - return CMD_WARNING; - case GPRS_NS2_DIALECT_UNDEF: - vty_out(vty, "No NSVCs configured%s", VTY_NEWLINE); - return CMD_WARNING; - case GPRS_NS2_DIALECT_IPACCESS: - case GPRS_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 = GPRS_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 == GPRS_NS2_DIALECT_UNDEF) { - nse->dialect = GPRS_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 != GPRS_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 = GPRS_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 != GPRS_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 = GPRS_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 == GPRS_NS2_DIALECT_UNDEF) { - nse->dialect = GPRS_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 != GPRS_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 = GPRS_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 != GPRS_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 = GPRS_NS2_DIALECT_UNDEF; - } - return CMD_SUCCESS; + llist_del(&vtyvc->list); + talloc_free(vtyvc); } -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]); +static struct ns2_vty_vc *vtyvc_by_nsei(uint16_t nsei, bool alloc_missing) { + struct ns2_vty_vc *vtyvc; - if (nse->ll == GPRS_NS2_LL_UNDEF) { - nse->ll = GPRS_NS2_LL_UDP; - ll_modified = true; + llist_for_each_entry(vtyvc, &priv.vtyvc, list) { + if (vtyvc->nsei == nsei) + return vtyvc; } - if (nse->dialect == GPRS_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 = GPRS_NS2_DIALECT_SNS; - dialect_modified = true; - } + if (!alloc_missing) + return NULL; - if (nse->ll != GPRS_NS2_LL_UDP) { - vty_out(vty, "Can not mix NS-VC with different link layer%s", VTY_NEWLINE); - goto err; - } + vtyvc = vtyvc_alloc(nsei); + if (!vtyvc) + return vtyvc; - if (nse->dialect != GPRS_NS2_DIALECT_SNS) { - vty_out(vty, "Can not mix NS-VC with different dialects%s", VTY_NEWLINE); - goto err; - } + vtyvc->nsei = nsei; + return vtyvc; +} - 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; - } +static int config_write_ns(struct vty *vty) +{ + struct ns2_vty_vc *vtyvc; + unsigned int i; + struct osmo_sockaddr_str sockstr; - 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; - } + vty_out(vty, "ns%s", VTY_NEWLINE); - 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; - } + /* global configuration must be written first, as some of it may be + * relevant when creating the NSE/NSVC later below */ -err: - if (ll_modified) - nse->ll = GPRS_NS2_LL_UNDEF; - if (dialect_modified) - nse->dialect = GPRS_NS2_DIALECT_UNDEF; - return CMD_WARNING; -} + vty_out(vty, " encapsulation framerelay-gre enabled %u%s", + priv.frgre ? 1 : 0, VTY_NEWLINE); -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 (priv.frgre) { + if (strlen(priv.frgreaddr.ip)) { + vty_out(vty, " encapsulation framerelay-gre local-ip %s%s", + sockstr.ip, VTY_NEWLINE); + } + } else { + if (strlen(priv.udp.ip)) { + vty_out(vty, " encapsulation udp local-ip %s%s", + priv.udp.ip, VTY_NEWLINE); + } - if (nse->ll != GPRS_NS2_LL_UDP) { - vty_out(vty, "This NSE doesn't support UDP.%s", VTY_NEWLINE); - return CMD_WARNING; + if (priv.udp.port) + vty_out(vty, " encapsulation udp local-port %u%s", + priv.udp.port, VTY_NEWLINE); } - if (nse->dialect != GPRS_NS2_DIALECT_SNS) { - vty_out(vty, "This NSE doesn't support UDP with dialect ip-sns.%s", VTY_NEWLINE); - return CMD_WARNING; - } + if (priv.dscp) + vty_out(vty, " encapsulation udp dscp %d%s", + priv.dscp, VTY_NEWLINE); - 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; - } + vty_out(vty, " encapsulation udp use-reset-block-unblock %s%s", + priv.vc_mode == GPRS_NS2_VC_MODE_BLOCKRESET ? "enabled" : "disabled", VTY_NEWLINE); - 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; - } + llist_for_each_entry(vtyvc, &priv.vtyvc, list) { + vty_out(vty, " nse %u nsvci %u%s", + vtyvc->nsei, vtyvc->nsvci, VTY_NEWLINE); - if (gprs_ns2_sns_del_endpoint(nse, &remote)) { - vty_out(vty, "Can not remove specified SNS endpoint.%s", VTY_NEWLINE); - return CMD_WARNING; - } + vty_out(vty, " nse %u remote-role %s%s", + vtyvc->nsei, vtyvc->remote_end_is_sgsn ? "sgsn" : "bss", + VTY_NEWLINE); - 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 = GPRS_NS2_DIALECT_UNDEF; + switch (vtyvc->ll) { + case GPRS_NS2_LL_UDP: + vty_out(vty, " nse %u encapsulation udp%s", vtyvc->nsei, VTY_NEWLINE); + vty_out(vty, " nse %u remote-ip %s%s", + vtyvc->nsei, + vtyvc->remote.ip, + VTY_NEWLINE); + vty_out(vty, " nse %u remote-port %u%s", + vtyvc->nsei, vtyvc->remote.port, + VTY_NEWLINE); + break; + case GPRS_NS2_LL_FR_GRE: + vty_out(vty, " nse %u encapsulation framerelay-gre%s", + vtyvc->nsei, VTY_NEWLINE); + vty_out(vty, " nse %u remote-ip %s%s", + vtyvc->nsei, + vtyvc->remote.ip, + VTY_NEWLINE); + vty_out(vty, " nse %u fr-dlci %u%s", + vtyvc->nsei, vtyvc->frdlci, + VTY_NEWLINE); + break; + case GPRS_NS2_LL_FR: + vty_out(vty, " nse %u fr %s dlci %u%s", + vtyvc->nsei, vtyvc->netif, vtyvc->frdlci, + VTY_NEWLINE); + break; + default: + break; + } } + 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 CMD_SUCCESS; } +DEFUN(cfg_ns, cfg_ns_cmd, + "ns", + "Configure the GPRS Network Service") +{ + vty->node = L_NS_NODE; + return CMD_SUCCESS; +} -/* non-config commands */ static void dump_nsvc(struct vty *vty, struct gprs_ns2_vc *nsvc, bool stats) { char nsvci_str[32]; @@ -1491,9 +440,7 @@ DEFUN_HIDDEN(nsvc_force_unconf, nsvc_force_unconf_cmd, return CMD_WARNING; } - if (!nse->persistent) { - gprs_ns2_free_nse(nse); - } else if (nse->dialect == GPRS_NS2_DIALECT_SNS) { + if (nse->dialect == GPRS_NS2_DIALECT_SNS) { gprs_ns2_free_nsvcs(nse); } else { /* Perform the operation for all nsvc */ @@ -1503,57 +450,310 @@ DEFUN_HIDDEN(nsvc_force_unconf, nsvc_force_unconf_cmd, return CMD_SUCCESS; } -DEFUN(nsvc_block, nsvc_block_cmd, - "nsvc <0-65535> (block|unblock)", - "NS Virtual Connection\n" - NSVCI_STR - "Block a NSVC. As cause code O&M intervention will be used.\n" - "Unblock a NSVC. As cause code O&M intervention will be used.\n") +#define NSE_CMD_STR "Persistent NS Entity\n" "NS Entity ID (NSEI)\n" + +DEFUN(cfg_nse_fr, cfg_nse_fr_cmd, + "nse <0-65535> nsvci <0-65535> (fr|frnet) NETIF dlci <0-1023>", + NSE_CMD_STR + "NS Virtual Connection\n" + "NS Virtual Connection ID (NSVCI)\n" + "Frame Relay User-Side\n" + "Frame Relay Network-Side\n" + IFNAME_STR + "Data Link connection identifier\n" + "Data Link connection identifier\n" + ) { - struct gprs_ns2_inst *nsi = vty_nsi; - struct gprs_ns2_vc *nsvc; + struct ns2_vty_vc *vtyvc; - uint16_t id = atoi(argv[0]); + uint16_t nsei = atoi(argv[0]); + uint16_t nsvci = atoi(argv[1]); + const char *role = argv[2]; + const char *name = argv[3]; + uint16_t dlci = atoi(argv[4]); - nsvc = gprs_ns2_nsvc_by_nsvci(nsi, id); - if (!nsvc) { - vty_out(vty, "Could not find NSVCI %05u%s", id, VTY_NEWLINE); + vtyvc = vtyvc_by_nsei(nsei, true); + if (!vtyvc) { + vty_out(vty, "Can not allocate space %s", VTY_NEWLINE); return CMD_WARNING; } - if (!strcmp(argv[1], "block")) { - ns2_vc_block(nsvc); - } else { - ns2_vc_unblock(nsvc); + if (!strcmp(role, "fr")) + vtyvc->fr.role = FR_ROLE_USER_EQUIPMENT; + else if (!strcmp(role, "frnet")) + vtyvc->fr.role = FR_ROLE_NETWORK_EQUIPMENT; + + osmo_strlcpy(vtyvc->netif, name, sizeof(vtyvc->netif)); + vtyvc->frdlci = dlci; + vtyvc->nsvci = nsvci; + vtyvc->ll = GPRS_NS2_LL_FR; + + return CMD_SUCCESS; +} + +DEFUN(cfg_nse_nsvc, cfg_nse_nsvci_cmd, + "nse <0-65535> nsvci <0-65535>", + NSE_CMD_STR + "NS Virtual Connection\n" + "NS Virtual Connection ID (NSVCI)\n" + ) +{ + struct ns2_vty_vc *vtyvc; + + uint16_t nsei = atoi(argv[0]); + uint16_t nsvci = atoi(argv[1]); + + vtyvc = vtyvc_by_nsei(nsei, true); + if (!vtyvc) { + vty_out(vty, "Can not allocate space %s", VTY_NEWLINE); + return CMD_WARNING; } + vtyvc->nsvci = nsvci; + return CMD_SUCCESS; } -static void log_set_nse_filter(struct log_target *target, - struct gprs_ns2_nse *nse) +DEFUN(cfg_nse_remoteip, cfg_nse_remoteip_cmd, + "nse <0-65535> remote-ip " VTY_IPV46_CMD, + NSE_CMD_STR + "Remote IP Address\n" + "Remote IPv4 Address\n" + "Remote IPv6 Address\n") { - 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; + uint16_t nsei = atoi(argv[0]); + struct ns2_vty_vc *vtyvc; + + vtyvc = vtyvc_by_nsei(nsei, true); + if (!vtyvc) { + vty_out(vty, "Can not allocate space %s", VTY_NEWLINE); + return CMD_WARNING; } + + osmo_sockaddr_str_from_str2(&vtyvc->remote, argv[1]); + + return CMD_SUCCESS; } -static void log_set_nsvc_filter(struct log_target *target, - struct gprs_ns2_vc *nsvc) +DEFUN(cfg_nse_remoteport, cfg_nse_remoteport_cmd, + "nse <0-65535> remote-port <0-65535>", + NSE_CMD_STR + "Remote UDP Port\n" + "Remote UDP Port Number\n") { - 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; + uint16_t nsei = atoi(argv[0]); + uint16_t port = atoi(argv[1]); + struct ns2_vty_vc *vtyvc; + + vtyvc = vtyvc_by_nsei(nsei, true); + if (!vtyvc) { + vty_out(vty, "Can not allocate space %s", VTY_NEWLINE); + return CMD_WARNING; + } + + vtyvc->remote.port = port; + + return CMD_SUCCESS; +} + +DEFUN(cfg_nse_fr_dlci, cfg_nse_fr_dlci_cmd, + "nse <0-65535> nsvci <0-65535> fr-dlci <16-1007>", + NSE_CMD_STR + "NS Virtual Connection\n" + "NS Virtual Connection ID (NSVCI)\n" + "Frame Relay DLCI\n" + "Frame Relay DLCI Number\n") +{ + uint16_t nsei = atoi(argv[0]); + uint16_t nsvci = atoi(argv[1]); + uint16_t dlci = atoi(argv[2]); + struct ns2_vty_vc *vtyvc; + + vtyvc = vtyvc_by_nsei(nsei, true); + if (!vtyvc) { + vty_out(vty, "Can not allocate space %s", VTY_NEWLINE); + return CMD_WARNING; + } + + vtyvc->frdlci = dlci; + vtyvc->nsvci = nsvci; + + return CMD_SUCCESS; +} + +DEFUN(cfg_nse_encaps, cfg_nse_encaps_cmd, + "nse <0-65535> encapsulation (udp|framerelay-gre)", + NSE_CMD_STR + "Encapsulation for NS\n" + "UDP/IP Encapsulation\n" "Frame-Relay/GRE/IP Encapsulation\n") +{ + uint16_t nsei = atoi(argv[0]); + struct ns2_vty_vc *vtyvc; + + vtyvc = vtyvc_by_nsei(nsei, true); + if (!vtyvc) { + vty_out(vty, "Can not allocate space %s", VTY_NEWLINE); + return CMD_WARNING; } + + if (!strcmp(argv[1], "udp")) + vtyvc->ll = GPRS_NS2_LL_UDP; + else + vtyvc->ll = GPRS_NS2_LL_FR_GRE; + + return CMD_SUCCESS; +} + +DEFUN(cfg_nse_remoterole, cfg_nse_remoterole_cmd, + "nse <0-65535> remote-role (sgsn|bss)", + NSE_CMD_STR + "Remote NSE Role\n" + "Remote Peer is SGSN\n" + "Remote Peer is BSS\n") +{ + uint16_t nsei = atoi(argv[0]); + struct ns2_vty_vc *vtyvc; + + vtyvc = vtyvc_by_nsei(nsei, true); + if (!vtyvc) { + vty_out(vty, "Can not allocate space %s", VTY_NEWLINE); + return CMD_WARNING; + } + + if (!strcmp(argv[1], "sgsn")) + vtyvc->remote_end_is_sgsn = 1; + else + vtyvc->remote_end_is_sgsn = 0; + + return CMD_SUCCESS; +} + +DEFUN(cfg_no_nse, cfg_no_nse_cmd, + "no nse <0-65535>", + "Delete Persistent NS Entity\n" + "Delete " NSE_CMD_STR) +{ + uint16_t nsei = atoi(argv[0]); + struct ns2_vty_vc *vtyvc; + + vtyvc = vtyvc_by_nsei(nsei, false); + if (!vtyvc) { + vty_out(vty, "The NSE %d does not exists.%s", nsei, VTY_NEWLINE); + return CMD_WARNING; + } + + ns2_vc_free(vtyvc); + + 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; +} + +#define ENCAPS_STR "NS encapsulation options\n" + +DEFUN(cfg_nsip_local_ip, cfg_nsip_local_ip_cmd, + "encapsulation udp local-ip " VTY_IPV46_CMD, + ENCAPS_STR "NS over UDP Encapsulation\n" + "Set the IP address on which we listen for NS/UDP\n" + "IPv4 Address\n" + "IPv6 Address\n") +{ + osmo_sockaddr_str_from_str2(&priv.udp, argv[0]); + + return CMD_SUCCESS; +} + +DEFUN(cfg_nsip_local_port, cfg_nsip_local_port_cmd, + "encapsulation udp local-port <0-65535>", + ENCAPS_STR "NS over UDP Encapsulation\n" + "Set the UDP port on which we listen for NS/UDP\n" + "UDP port number\n") +{ + unsigned int port = atoi(argv[0]); + + priv.udp.port = port; + + return CMD_SUCCESS; +} + +DEFUN(cfg_nsip_dscp, cfg_nsip_dscp_cmd, + "encapsulation udp dscp <0-255>", + ENCAPS_STR "NS over UDP Encapsulation\n" + "Set DSCP/TOS on the UDP socket\n" "DSCP Value\n") +{ + int dscp = atoi(argv[0]); + struct gprs_ns2_vc_bind *bind; + + priv.dscp = dscp; + + llist_for_each_entry(bind, &vty_nsi->binding, list) { + if (gprs_ns2_is_ip_bind(bind)) + gprs_ns2_ip_bind_set_dscp(bind, dscp); + } + + return CMD_SUCCESS; +} + +DEFUN(cfg_nsip_res_block_unblock, cfg_nsip_res_block_unblock_cmd, + "encapsulation udp use-reset-block-unblock (enabled|disabled)", + ENCAPS_STR "NS over UDP Encapsulation\n" + "Use NS-{RESET,BLOCK,UNBLOCK} procedures in violation of 3GPP TS 48.016\n" + "Enable NS-{RESET,BLOCK,UNBLOCK}\n" + "Disable NS-{RESET,BLOCK,UNBLOCK}\n") +{ + enum gprs_ns2_vc_mode vc_mode; + + if (!strcmp(argv[0], "enabled")) + vc_mode = GPRS_NS2_VC_MODE_BLOCKRESET; + else + vc_mode = GPRS_NS2_VC_MODE_ALIVE; + + priv.vc_mode = vc_mode; + + return CMD_SUCCESS; +} + +DEFUN(cfg_frgre_local_ip, cfg_frgre_local_ip_cmd, + "encapsulation framerelay-gre local-ip " VTY_IPV46_CMD, + ENCAPS_STR "NS over Frame Relay over GRE Encapsulation\n" + "Set the IP address on which we listen for NS/FR/GRE\n" + "IPv4 Address\n" + "IPv6 Address\n") +{ + osmo_sockaddr_str_from_str2(&priv.frgreaddr, argv[0]); + + return CMD_SUCCESS; +} + +DEFUN(cfg_frgre_enable, cfg_frgre_enable_cmd, + "encapsulation framerelay-gre enabled (1|0)", + ENCAPS_STR "NS over Frame Relay over GRE Encapsulation\n" + "Enable or disable Frame Relay over GRE\n" + "Enable\n" "Disable\n") +{ + int enabled = atoi(argv[0]); + + priv.frgre = enabled; + + return CMD_SUCCESS; } +/* TODO: allow vty to reset/block/unblock nsvc/nsei */ + DEFUN(logging_fltr_nse, logging_fltr_nse_cmd, "logging filter nse nsei <0-65535>", @@ -1617,14 +817,29 @@ DEFUN(logging_fltr_nsvc, return CMD_SUCCESS; } -int gprs_ns2_vty_init(struct gprs_ns2_inst *nsi) +/** + * gprs_ns2_vty_init initialize the vty + * \param[inout] nsi + * \param[in] default_bind set the default address to bind to. Can be NULL. + * \return 0 on success + */ +int gprs_ns2_vty_init(struct gprs_ns2_inst *nsi, + const struct osmo_sockaddr_str *default_bind) { - vty_nsi = nsi; - INIT_LLIST_HEAD(&binds); + static bool vty_elements_installed = false; - vty_fr_network = osmo_fr_network_alloc(nsi); - if (!vty_fr_network) - return -ENOMEM; + vty_nsi = nsi; + memset(&priv, 0, sizeof(struct ns2_vty_priv)); + INIT_LLIST_HEAD(&priv.vtyvc); + priv.vc_mode = GPRS_NS2_VC_MODE_BLOCKRESET; + if (default_bind) + memcpy(&priv.udp, default_bind, sizeof(*default_bind)); + + /* Regression test code may call this function repeatedly, so make sure + * that VTY elements are not duplicated, which would assert. */ + if (vty_elements_installed) + return 0; + vty_elements_installed = true; install_lib_element_ve(&show_ns_cmd); install_lib_element_ve(&show_ns_binds_cmd); @@ -1635,42 +850,152 @@ int gprs_ns2_vty_init(struct gprs_ns2_inst *nsi) install_lib_element_ve(&logging_fltr_nsvc_cmd); install_lib_element(ENABLE_NODE, &nsvc_force_unconf_cmd); - install_lib_element(ENABLE_NODE, &nsvc_block_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_nse_fr_cmd); + install_lib_element(L_NS_NODE, &cfg_nse_nsvci_cmd); + install_lib_element(L_NS_NODE, &cfg_nse_remoteip_cmd); + install_lib_element(L_NS_NODE, &cfg_nse_remoteport_cmd); + install_lib_element(L_NS_NODE, &cfg_nse_fr_dlci_cmd); + install_lib_element(L_NS_NODE, &cfg_nse_encaps_cmd); + install_lib_element(L_NS_NODE, &cfg_nse_remoterole_cmd); + install_lib_element(L_NS_NODE, &cfg_no_nse_cmd); 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); + install_lib_element(L_NS_NODE, &cfg_nsip_local_ip_cmd); + install_lib_element(L_NS_NODE, &cfg_nsip_local_port_cmd); + install_lib_element(L_NS_NODE, &cfg_nsip_dscp_cmd); + install_lib_element(L_NS_NODE, &cfg_nsip_res_block_unblock_cmd); + install_lib_element(L_NS_NODE, &cfg_frgre_enable_cmd); + install_lib_element(L_NS_NODE, &cfg_frgre_local_ip_cmd); + + /* TODO: nsvc/nsei command to reset states or reset/block/unblock nsei/nsvcs */ + + return 0; +} + +/*! + * \brief gprs_ns2_vty_create parse the vty tree into ns nodes + * It has to be in different steps to ensure the bind is created before creating VCs. + * \return 0 on success + */ +int gprs_ns2_vty_create() { + struct ns2_vty_vc *vtyvc; + struct gprs_ns2_vc_bind *bind, *fr; + struct gprs_ns2_nse *nse; + struct gprs_ns2_vc *nsvc; + struct osmo_sockaddr sockaddr; + enum gprs_ns2_dialect dialect = GPRS_NS2_DIALECT_UNDEF; + int rc = 0; + + if (!vty_nsi) + return -1; + + /* create binds, only support a single bind. either FR or UDP */ + if (priv.frgre) { + /* TODO not yet supported !*/ + return -1; + } else { + /* UDP */ + osmo_sockaddr_str_to_sockaddr(&priv.udp, &sockaddr.u.sas); + if (gprs_ns2_ip_bind(vty_nsi, "vtybind", &sockaddr, priv.dscp, &bind)) { + /* TODO: could not bind on the specific address */ + return -1; + } + + bind->accept_ipaccess = priv.vc_mode == GPRS_NS2_VC_MODE_BLOCKRESET; + } + + /* create vcs */ + llist_for_each_entry(vtyvc, &priv.vtyvc, list) { + /* validate settings */ + switch (vtyvc->ll) { + case GPRS_NS2_LL_UDP: + if (priv.vc_mode == GPRS_NS2_VC_MODE_BLOCKRESET) + dialect = GPRS_NS2_DIALECT_IPACCESS; + else + dialect = GPRS_NS2_DIALECT_STATIC_ALIVE; + if (strlen(vtyvc->remote.ip) == 0) { + /* Invalid IP for VC */ + continue; + } + + if (!vtyvc->remote.port) { + /* Invalid port for VC */ + continue; + } + + if (osmo_sockaddr_str_to_sockaddr(&vtyvc->remote, &sockaddr.u.sas)) { + /* Invalid sockaddr for VC */ + continue; + } + break; + case GPRS_NS2_LL_FR: + dialect = GPRS_NS2_DIALECT_STATIC_RESETBLOCK; + break; + case GPRS_NS2_LL_FR_GRE: + dialect = GPRS_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); + if (!nse) { + nse = gprs_ns2_create_nse(vty_nsi, vtyvc->nsei, vtyvc->ll, dialect); + if (!nse) { + /* Could not create NSE for VTY */ + continue; + } + } + nse->persistent = true; + + switch (vtyvc->ll) { + case GPRS_NS2_LL_UDP: + nsvc = gprs_ns2_ip_connect(bind, + &sockaddr, + nse, + vtyvc->nsvci); + if (!nsvc) { + /* Could not create NSVC, connect failed */ + continue; + } + nsvc->persistent = true; + break; + case GPRS_NS2_LL_FR: { + if (vty_fr_network == NULL) { + /* TODO: add a switch for BSS/SGSN/gbproxy */ + vty_fr_network = osmo_fr_network_alloc(vty_nsi); + } + fr = gprs_ns2_fr_bind_by_netif( + vty_nsi, + vtyvc->netif); + if (!fr) { + rc = gprs_ns2_fr_bind(vty_nsi, vtyvc->netif, vtyvc->netif, vty_fr_network, vtyvc->fr.role, &fr); + if (rc < 0) { + LOGP(DLNS, LOGL_ERROR, "Can not create fr bind on device %s err: %d\n", vtyvc->netif, rc); + return rc; + } + } + + nsvc = gprs_ns2_fr_connect(fr, nse, vtyvc->nsvci, vtyvc->frdlci); + if (!nsvc) { + /* Could not create NSVC, connect failed */ + continue; + } + nsvc->persistent = true; + break; + } + case GPRS_NS2_LL_FR_GRE: + case GPRS_NS2_LL_UNDEF: + continue; + } + } + return 0; } diff --git a/src/gb/gprs_ns2_vty2.c b/src/gb/gprs_ns2_vty2.c new file mode 100644 index 00000000..31aff3e3 --- /dev/null +++ b/src/gb/gprs_ns2_vty2.c @@ -0,0 +1,1676 @@ +/*! \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_zero(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, GPRS_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 GPRS_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 GPRS_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 GPRS_NS2_DIALECT_SNS: + 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 != GPRS_NS2_DIALECT_STATIC_RESETBLOCK && nse->dialect != GPRS_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 == GPRS_NS2_DIALECT_UNDEF) { + nse->dialect = GPRS_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 = GPRS_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 = GPRS_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 GPRS_NS2_DIALECT_SNS: + case GPRS_NS2_DIALECT_STATIC_ALIVE: + vty_out(vty, "NSE doesn't support NSVCI.%s", VTY_NEWLINE); + return CMD_WARNING; + case GPRS_NS2_DIALECT_UNDEF: + vty_out(vty, "No NSVCs configured%s", VTY_NEWLINE); + return CMD_WARNING; + case GPRS_NS2_DIALECT_IPACCESS: + case GPRS_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 = GPRS_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 == GPRS_NS2_DIALECT_UNDEF) { + nse->dialect = GPRS_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 != GPRS_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 = GPRS_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 != GPRS_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 = GPRS_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 == GPRS_NS2_DIALECT_UNDEF) { + nse->dialect = GPRS_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 != GPRS_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 = GPRS_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 != GPRS_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 = GPRS_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 == GPRS_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 = GPRS_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 != GPRS_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 = GPRS_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 != GPRS_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 = GPRS_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); + + 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) +{ + 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; + } + + if (!nse->persistent) { + gprs_ns2_free_nse(nse); + } else if (nse->dialect == GPRS_NS2_DIALECT_SNS) { + gprs_ns2_free_nsvcs(nse); + } else { + /* Perform the operation for all nsvc */ + gprs_ns2_nse_foreach_nsvc(nse, nsvc_force_unconf_cb, NULL); + } + + return CMD_SUCCESS; +} + +DEFUN(nsvc_block, nsvc_block_cmd, + "nsvc <0-65535> (block|unblock)", + "NS Virtual Connection\n" + NSVCI_STR + "Block a NSVC. As cause code O&M intervention will be used.\n" + "Unblock a NSVC. As cause code O&M intervention will be used.\n") +{ + struct gprs_ns2_inst *nsi = vty_nsi; + struct gprs_ns2_vc *nsvc; + + uint16_t id = atoi(argv[0]); + + nsvc = gprs_ns2_nsvc_by_nsvci(nsi, id); + if (!nsvc) { + vty_out(vty, "Could not find NSVCI %05u%s", id, VTY_NEWLINE); + return CMD_WARNING; + } + + if (!strcmp(argv[1], "block")) { + ns2_vc_block(nsvc); + } else { + ns2_vc_unblock(nsvc); + } + + 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(ENABLE_NODE, &nsvc_block_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 fa05b97a..c6bbc787 100644 --- a/src/gb/libosmogb.map +++ b/src/gb/libosmogb.map @@ -185,7 +185,9 @@ gprs_ns2_reset_persistent_nsvcs; gprs_ns2_start_alive_all_nsvcs; 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