| /*! \file gprs_ns2_vty.c |
| * VTY interface for our GPRS Networks Service (NS) implementation. */ |
| |
| /* (C) 2020 by sysmocom - s.f.m.c. GmbH <info@sysmocom.de> |
| * Author: Alexander Couzens <lynxis@fe80.eu> |
| * |
| * 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 <http://www.gnu.org/licenses/>. |
| * |
| */ |
| |
| #include <stdlib.h> |
| #include <unistd.h> |
| #include <errno.h> |
| #include <stdint.h> |
| |
| #include <arpa/inet.h> |
| #include <net/if.h> |
| |
| #include <osmocom/core/byteswap.h> |
| #include <osmocom/core/fsm.h> |
| #include <osmocom/core/linuxlist.h> |
| #include <osmocom/core/msgb.h> |
| #include <osmocom/core/rate_ctr.h> |
| #include <osmocom/core/select.h> |
| #include <osmocom/core/talloc.h> |
| #include <osmocom/core/sockaddr_str.h> |
| #include <osmocom/core/socket.h> |
| #include <osmocom/gprs/frame_relay.h> |
| #include <osmocom/gprs/gprs_ns2.h> |
| #include <osmocom/gsm/tlv.h> |
| #include <osmocom/vty/command.h> |
| #include <osmocom/vty/logging.h> |
| #include <osmocom/vty/misc.h> |
| #include <osmocom/vty/telnet_interface.h> |
| #include <osmocom/vty/vty.h> |
| |
| #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, NS2_DIALECT_UNDEF); |
| if (!nse) { |
| vty_out(vty, "Failed to create NSE!%s", VTY_NEWLINE); |
| return CMD_ERR_INCOMPLETE; |
| } |
| nse->persistent = true; |
| } |
| |
| if (!nse->persistent) { |
| /* TODO: should the dynamic NSE removed? */ |
| vty_out(vty, "A dynamic NSE with the specified NSEI already exists%s", VTY_NEWLINE); |
| return CMD_ERR_INCOMPLETE; |
| } |
| |
| vty->node = L_NS_NSE_NODE; |
| vty->index = nse; |
| |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN(cfg_no_ns_nsei, cfg_no_ns_nsei_cmd, |
| "no nse <0-65535>", |
| NO_STR |
| "Delete a Persistent NS Entity\n" |
| "NS Entity ID (NSEI)\n" |
| ) |
| { |
| struct gprs_ns2_nse *nse; |
| uint16_t nsei = atoi(argv[0]); |
| |
| nse = gprs_ns2_nse_by_nsei(vty_nsi, nsei); |
| if (!nse) { |
| vty_out(vty, "Can not find NS Entity %s%s", argv[0], VTY_NEWLINE); |
| return CMD_ERR_NOTHING_TODO; |
| } |
| |
| if (!nse->persistent) { |
| vty_out(vty, "Ignoring non-persistent NS Entity%s", VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| vty_out(vty, "Deleting NS Entity %u%s", nse->nsei, VTY_NEWLINE); |
| gprs_ns2_free_nse(nse); |
| return CMD_SUCCESS; |
| } |
| |
| /* TODO: add fr/gre */ |
| DEFUN(cfg_ns_bind, cfg_ns_bind_cmd, |
| "bind (fr|udp) ID", |
| "Binding\n" |
| "Frame Relay\n" "UDP/IP\n" |
| "a unique identifier for this bind to reference NS-VCs\n" |
| ) |
| { |
| const char *nstype = argv[0]; |
| const char *name = argv[1]; |
| struct vty_bind *vbind; |
| enum gprs_ns2_ll ll; |
| int rc; |
| |
| rc = get_string_value(vty_ll_names, nstype); |
| if (rc < 0) |
| return CMD_WARNING; |
| ll = (enum gprs_ns2_ll) rc; |
| |
| if (!osmo_identifier_valid(name)) { |
| vty_out(vty, "Invalid ID. The ID should be only alphanumeric.%s", VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| vbind = vty_bind_by_name(name); |
| if (vbind) { |
| if (vbind->ll != ll) { |
| vty_out(vty, "A bind with the specified ID already exists with a different type (fr|frgre|udp)!%s", |
| VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| } else { |
| vbind = vty_bind_alloc(name); |
| if (!vbind) { |
| vty_out(vty, "Can not create bind - out of memory%s", VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| vbind->ll = ll; |
| } |
| |
| vty->index = vbind; |
| vty->node = L_NS_BIND_NODE; |
| |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN(cfg_no_ns_bind, cfg_no_ns_bind_cmd, |
| "no bind ID", |
| NO_STR |
| "Delete a binding\n" |
| "a unique identifier for this bind to reference NS-VCs\n" |
| ) |
| { |
| struct vty_bind *vbind; |
| struct gprs_ns2_vc_bind *bind; |
| const char *name = argv[0]; |
| |
| vbind = vty_bind_by_name(name); |
| if (!vbind) { |
| vty_out(vty, "bind %s does not exist!%s", name, VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| vty_bind_free(vbind); |
| bind = gprs_ns2_bind_by_name(vty_nsi, name); |
| if (bind) |
| bind->driver->free_bind(bind); |
| return CMD_SUCCESS; |
| } |
| |
| |
| static void config_write_vbind(struct vty *vty, struct vty_bind *vbind) |
| { |
| struct gprs_ns2_vc_bind *bind; |
| const struct osmo_sockaddr *addr; |
| struct osmo_sockaddr_str addr_str; |
| const char *netif, *frrole_str, *llstr; |
| enum osmo_fr_role frrole; |
| |
| llstr = get_value_string_or_null(vty_ll_names, vbind->ll); |
| if (!llstr) |
| return; |
| vty_out(vty, " bind %s %s%s", llstr, vbind->name, VTY_NEWLINE); |
| |
| bind = gprs_ns2_bind_by_name(vty_nsi, vbind->name); |
| switch (vbind->ll) { |
| case GPRS_NS2_LL_FR: |
| if (bind) { |
| netif = gprs_ns2_fr_bind_netif(bind); |
| if (!netif) |
| return; |
| frrole = gprs_ns2_fr_bind_role(bind); |
| if ((int) frrole == -1) |
| return; |
| frrole_str = get_value_string_or_null(vty_fr_role_names, frrole); |
| if (netif && frrole_str) |
| vty_out(vty, " fr %s %s%s", netif, frrole_str, VTY_NEWLINE); |
| } |
| break; |
| case GPRS_NS2_LL_UDP: |
| if (bind) { |
| addr = gprs_ns2_ip_bind_sockaddr(bind); |
| if (!osmo_sockaddr_str_from_sockaddr(&addr_str, &addr->u.sas)) { |
| vty_out(vty, " listen %s %u%s", addr_str.ip, addr_str.port, |
| VTY_NEWLINE); |
| } |
| } |
| if (vbind->accept_ipaccess) |
| vty_out(vty, " accept-ipaccess%s", VTY_NEWLINE); |
| if (vbind->dscp) |
| vty_out(vty, " dscp %u%s", vbind->dscp, VTY_NEWLINE); |
| break; |
| default: |
| return; |
| } |
| } |
| |
| static void config_write_nsvc(struct vty *vty, const struct gprs_ns2_vc *nsvc) |
| { |
| const char *netif; |
| uint16_t dlci; |
| const struct osmo_sockaddr *addr; |
| struct osmo_sockaddr_str addr_str; |
| |
| switch (nsvc->nse->ll) { |
| case GPRS_NS2_LL_UNDEF: |
| break; |
| case GPRS_NS2_LL_UDP: |
| switch (nsvc->nse->dialect) { |
| case NS2_DIALECT_IPACCESS: |
| addr = gprs_ns2_ip_vc_remote(nsvc); |
| if (!addr) |
| break; |
| if (osmo_sockaddr_str_from_sockaddr(&addr_str, &addr->u.sas)) |
| break; |
| vty_out(vty, " nsvc ipa %s %s %u nsvci %u%s", |
| nsvc->bind->name, addr_str.ip, addr_str.port, |
| nsvc->nsvci, VTY_NEWLINE); |
| break; |
| case NS2_DIALECT_STATIC_ALIVE: |
| addr = gprs_ns2_ip_vc_remote(nsvc); |
| if (!addr) |
| break; |
| if (osmo_sockaddr_str_from_sockaddr(&addr_str, &addr->u.sas)) |
| break; |
| vty_out(vty, " nsvc udp %s %s %u%s", |
| nsvc->bind->name, addr_str.ip, addr_str.port, VTY_NEWLINE); |
| break; |
| default: |
| break; |
| } |
| break; |
| case GPRS_NS2_LL_FR: |
| netif = gprs_ns2_fr_bind_netif(nsvc->bind); |
| if (!netif) |
| break; |
| dlci = gprs_ns2_fr_nsvc_dlci(nsvc); |
| if (!dlci) |
| break; |
| OSMO_ASSERT(nsvc->nsvci_is_valid); |
| vty_out(vty, " nsvc fr %s dlci %u nsvci %u%s", |
| netif, dlci, nsvc->nsvci, VTY_NEWLINE); |
| break; |
| case GPRS_NS2_LL_FR_GRE: |
| break; |
| } |
| } |
| |
| static void _config_write_ns_nse(struct vty *vty, struct gprs_ns2_nse *nse) |
| { |
| struct gprs_ns2_vc *nsvc; |
| |
| vty_out(vty, " nse %u%s", nse->nsei, VTY_NEWLINE); |
| switch (nse->dialect) { |
| case NS2_DIALECT_SNS: |
| gprs_ns2_sns_write_vty(vty, nse); |
| break; |
| default: |
| llist_for_each_entry(nsvc, &nse->nsvc, list) { |
| config_write_nsvc(vty, nsvc); |
| } |
| break; |
| } |
| } |
| |
| static int config_write_ns(struct vty *vty) |
| { |
| unsigned int i; |
| |
| vty_out(vty, "ns%s", VTY_NEWLINE); |
| |
| for (i = 0; i < ARRAY_SIZE(vty_nsi->timeout); i++) |
| vty_out(vty, " timer %s %u%s", |
| get_value_string(gprs_ns_timer_strs, i), |
| vty_nsi->timeout[i], VTY_NEWLINE); |
| |
| return 0; |
| } |
| |
| static int config_write_ns_nse(struct vty *vty) |
| { |
| struct gprs_ns2_nse *nse; |
| |
| llist_for_each_entry(nse, &vty_nsi->nse, list) { |
| if (!nse->persistent) |
| continue; |
| |
| _config_write_ns_nse(vty, nse); |
| } |
| |
| return 0; |
| } |
| |
| static int config_write_ns_bind(struct vty *vty) |
| { |
| struct vty_bind *vbind; |
| |
| llist_for_each_entry(vbind, &binds, list) { |
| config_write_vbind(vty, vbind); |
| } |
| |
| return 0; |
| } |
| |
| static struct cmd_node ns_bind_node = { |
| L_NS_BIND_NODE, |
| "%s(config-ns-bind)# ", |
| 1, |
| }; |
| |
| DEFUN(cfg_ns_bind_listen, cfg_ns_bind_listen_cmd, |
| "listen " VTY_IPV46_CMD " <1-65535>", |
| "Binding\n" |
| "IPv4 Address\n" "IPv6 Address\n" |
| "Port\n" |
| ) |
| { |
| struct vty_bind *vbind = vty->index; |
| struct gprs_ns2_vc_bind *bind; |
| |
| const char *addr_str = argv[0]; |
| unsigned int port = atoi(argv[1]); |
| struct osmo_sockaddr_str sockaddr_str; |
| struct osmo_sockaddr sockaddr; |
| |
| if (vbind->ll != GPRS_NS2_LL_UDP) { |
| vty_out(vty, "listen can be only used with UDP bind%s", |
| VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| if (osmo_sockaddr_str_from_str(&sockaddr_str, addr_str, port)) { |
| vty_out(vty, "Can not parse the Address %s %s%s", argv[0], argv[1], VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| osmo_sockaddr_str_to_sockaddr(&sockaddr_str, &sockaddr.u.sas); |
| if (gprs_ns2_ip_bind_by_sockaddr(vty_nsi, &sockaddr)) { |
| vty_out(vty, "A bind with the specified address already exists!%s", VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| if (gprs_ns2_ip_bind(vty_nsi, vbind->name, &sockaddr, vbind->dscp, &bind) != 0) { |
| vty_out(vty, "Failed to create the bind!%s", VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| bind->accept_ipaccess = vbind->accept_ipaccess; |
| bind->accept_sns = vbind->accept_sns; |
| |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN(cfg_no_ns_bind_listen, cfg_no_ns_bind_listen_cmd, |
| "no listen", |
| NO_STR |
| "Delete a IP/Port assignment\n" |
| ) |
| { |
| struct vty_bind *vbind = vty->index; |
| struct gprs_ns2_vc_bind *bind; |
| |
| if (vbind->ll != GPRS_NS2_LL_UDP) { |
| vty_out(vty, "no listen can be only used with UDP bind%s", VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| bind = gprs_ns2_bind_by_name(vty_nsi, vbind->name); |
| if (!bind) |
| return CMD_ERR_NOTHING_TODO; |
| |
| OSMO_ASSERT(bind->ll != GPRS_NS2_LL_UDP); |
| bind->driver->free_bind(bind); |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN(cfg_ns_bind_dscp, cfg_ns_bind_dscp_cmd, |
| "dscp <0-255>", |
| "Set DSCP/TOS on the UDP socket\n" "DSCP Value\n") |
| { |
| struct vty_bind *vbind = vty->index; |
| struct gprs_ns2_vc_bind *bind; |
| uint16_t dscp = atoi(argv[0]); |
| |
| if (vbind->ll != GPRS_NS2_LL_UDP) { |
| vty_out(vty, "dscp can be only used with UDP bind%s", |
| VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| vbind->dscp = dscp; |
| bind = gprs_ns2_bind_by_name(vty_nsi, vbind->name); |
| if (bind) |
| gprs_ns2_ip_bind_set_dscp(bind, dscp); |
| |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN(cfg_no_ns_bind_dscp, cfg_no_ns_bind_dscp_cmd, |
| "no dscp", |
| "Set DSCP/TOS on the UDP socket\n" "DSCP Value\n") |
| { |
| struct vty_bind *vbind = vty->index; |
| struct gprs_ns2_vc_bind *bind; |
| uint16_t dscp = 0; |
| |
| if (vbind->ll != GPRS_NS2_LL_UDP) { |
| vty_out(vty, "dscp can be only used with UDP bind%s", |
| VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| vbind->dscp = dscp; |
| bind = gprs_ns2_bind_by_name(vty_nsi, vbind->name); |
| if (bind) |
| gprs_ns2_ip_bind_set_dscp(bind, dscp); |
| |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN(cfg_ns_bind_ipaccess, cfg_ns_bind_ipaccess_cmd, |
| "accept-ipaccess", |
| "Allow to create dynamic NS Entity by NS Reset PDU on UDP (ip.access style)\n" |
| ) |
| { |
| struct vty_bind *vbind = vty->index; |
| struct gprs_ns2_vc_bind *bind; |
| |
| if (vbind->ll != GPRS_NS2_LL_UDP) { |
| vty_out(vty, "accept-ipaccess can be only used with UDP bind%s", |
| VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| vbind->accept_ipaccess = true; |
| bind = gprs_ns2_bind_by_name(vty_nsi, vbind->name); |
| if (bind) |
| bind->accept_ipaccess = true; |
| |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN(cfg_no_ns_bind_ipaccess, cfg_no_ns_bind_ipaccess_cmd, |
| "no accept-ipaccess", |
| NO_STR |
| "Reject NS Reset PDU on UDP (ip.access style)\n" |
| ) |
| { |
| struct vty_bind *vbind = vty->index; |
| struct gprs_ns2_vc_bind *bind; |
| |
| if (vbind->ll != GPRS_NS2_LL_UDP) { |
| vty_out(vty, "no accept-ipaccess can be only used with UDP bind%s", |
| VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| vbind->accept_ipaccess = false; |
| bind = gprs_ns2_bind_by_name(vty_nsi, vbind->name); |
| if (bind) |
| bind->accept_ipaccess = false; |
| |
| return CMD_SUCCESS; |
| } |
| |
| |
| DEFUN(cfg_ns_bind_fr, cfg_ns_bind_fr_cmd, |
| "fr NETIF (fr|frnet)", |
| "frame relay\n" |
| IFNAME_STR |
| "fr (user) is used by BSS or SGSN attached to UNI of a FR network\n" |
| "frnet (network) is used by SGSN if BSS is directly attached\n" |
| ) |
| { |
| struct vty_bind *vbind = vty->index; |
| struct gprs_ns2_vc_bind *bind; |
| const char *netif = argv[0]; |
| const char *role = argv[1]; |
| |
| int rc = 0; |
| enum osmo_fr_role frrole; |
| |
| if (vbind->ll != GPRS_NS2_LL_FR) { |
| vty_out(vty, "fr can be only used with frame relay bind%s", VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| if (!strcmp(role, "fr")) |
| frrole = FR_ROLE_USER_EQUIPMENT; |
| else if (!strcmp(role, "frnet")) |
| frrole = FR_ROLE_NETWORK_EQUIPMENT; |
| else |
| return CMD_WARNING; |
| |
| bind = gprs_ns2_fr_bind_by_netif(vty_nsi, netif); |
| if (bind) { |
| vty_out(vty, "Interface %s already used.%s", netif, VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| rc = gprs_ns2_fr_bind(vty_nsi, vbind->name, netif, vty_fr_network, frrole, &bind); |
| if (rc < 0) { |
| LOGP(DLNS, LOGL_ERROR, "Failed to bind interface %s on fr. Err: %d\n", netif, rc); |
| return CMD_WARNING; |
| } |
| |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN(cfg_no_ns_bind_fr, cfg_no_ns_bind_fr_cmd, |
| "no fr NETIF", |
| NO_STR |
| "Delete a frame relay link\n" |
| "Delete a frame relay link\n" |
| IFNAME_STR |
| ) |
| { |
| struct vty_bind *vbind = vty->index; |
| struct gprs_ns2_vc_bind *bind; |
| const char *netif = argv[0]; |
| |
| if (vbind->ll != GPRS_NS2_LL_FR) { |
| vty_out(vty, "fr can be only used with frame relay bind%s", |
| VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| bind = gprs_ns2_fr_bind_by_netif(vty_nsi, netif); |
| if (!bind) { |
| vty_out(vty, "Interface not found.%s", VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| if (strcmp(bind->name, vbind->name)) { |
| vty_out(vty, "The specified interface is not bound to this bind.%s", VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| bind->driver->free_bind(bind); |
| return CMD_SUCCESS; |
| } |
| |
| |
| static struct cmd_node ns_nse_node = { |
| L_NS_NSE_NODE, |
| "%s(config-ns-nse)# ", |
| 1, |
| }; |
| |
| DEFUN(cfg_ns_nse_nsvc_fr, cfg_ns_nse_nsvc_fr_cmd, |
| "nsvc fr NETIF dlci <16-1007> nsvci <0-65535>", |
| "NS Virtual Connection\n" |
| "frame relay\n" |
| "frame relay interface. Must be registered via fr vty\n" |
| NSVCI_STR |
| NSVCI_STR |
| DLCI_STR |
| DLCI_STR |
| ) |
| { |
| struct gprs_ns2_vc_bind *bind; |
| struct gprs_ns2_vc *nsvc; |
| struct gprs_ns2_nse *nse = vty->index; |
| const char *netif = argv[0]; |
| uint16_t dlci = atoi(argv[1]); |
| uint16_t nsvci = atoi(argv[2]); |
| bool dialect_modified = false; |
| bool ll_modified = false; |
| |
| if (nse->ll != GPRS_NS2_LL_FR && nse->ll != GPRS_NS2_LL_UNDEF) { |
| vty_out(vty, "Can not mix NS-VC with different link layer%s", VTY_NEWLINE); |
| goto err; |
| } |
| |
| if (nse->dialect != NS2_DIALECT_STATIC_RESETBLOCK && nse->dialect != NS2_DIALECT_UNDEF) { |
| vty_out(vty, "Can not mix NS-VC with different dialects%s", VTY_NEWLINE); |
| goto err; |
| } |
| |
| if (nse->ll == GPRS_NS2_LL_UNDEF) { |
| nse->ll = GPRS_NS2_LL_FR; |
| ll_modified = true; |
| } |
| |
| if (nse->dialect == NS2_DIALECT_UNDEF) { |
| nse->dialect = NS2_DIALECT_STATIC_RESETBLOCK; |
| dialect_modified = true; |
| } |
| |
| |
| bind = gprs_ns2_fr_bind_by_netif(vty_nsi, netif); |
| if (!bind) { |
| vty_out(vty, "Can not find fr interface \"%s\". Please configure it via fr vty.%s", |
| netif, VTY_NEWLINE); |
| goto err; |
| } |
| |
| if (gprs_ns2_fr_nsvc_by_dlci(bind, dlci)) { |
| vty_out(vty, "A NS-VC with the specified DLCI already exist!%s", VTY_NEWLINE); |
| goto err; |
| } |
| |
| if (gprs_ns2_nsvc_by_nsvci(vty_nsi, nsvci)) { |
| vty_out(vty, "A NS-VC with the specified NS-VCI already exist!%s", VTY_NEWLINE); |
| goto err; |
| } |
| |
| nsvc = gprs_ns2_fr_connect(bind, nse, nsvci, dlci); |
| if (!nsvc) { |
| /* Could not create NS-VC, connect failed */ |
| vty_out(vty, "Failed to create the NS-VC%s", VTY_NEWLINE); |
| goto err; |
| } |
| nsvc->persistent = true; |
| return CMD_SUCCESS; |
| |
| err: |
| if (ll_modified) |
| nse->ll = GPRS_NS2_LL_UNDEF; |
| if (dialect_modified) |
| nse->dialect = NS2_DIALECT_UNDEF; |
| |
| return CMD_WARNING; |
| } |
| |
| DEFUN(cfg_no_ns_nse_nsvc_fr_dlci, cfg_no_ns_nse_nsvc_fr_dlci_cmd, |
| "no nsvc fr NETIF dlci <16-1007>", |
| NO_STR |
| "Delete frame relay NS-VC\n" |
| "frame relay\n" |
| "frame relay interface. Must be registered via fr vty\n" |
| DLCI_STR |
| DLCI_STR |
| ) |
| { |
| struct gprs_ns2_vc_bind *bind; |
| struct gprs_ns2_vc *nsvc; |
| struct gprs_ns2_nse *nse = vty->index; |
| const char *netif = argv[0]; |
| uint16_t dlci = atoi(argv[1]); |
| |
| if (nse->ll != GPRS_NS2_LL_FR) { |
| vty_out(vty, "This NSE doesn't support frame relay.%s", VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| bind = gprs_ns2_fr_bind_by_netif(vty_nsi, netif); |
| if (!bind) { |
| vty_out(vty, "Can not find fr interface \"%s\"%s", |
| netif, VTY_NEWLINE); |
| return CMD_ERR_NOTHING_TODO; |
| } |
| |
| nsvc = gprs_ns2_fr_nsvc_by_dlci(bind, dlci); |
| if (!nsvc) { |
| vty_out(vty, "Can not find a NS-VC on fr interface %s with dlci %u%s", |
| netif, dlci, VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| if (nse != nsvc->nse) { |
| vty_out(vty, "The specified NS-VC is not a part of the NSE %u!%s" |
| "To remove this NS-VC go to the vty node 'nse %u'%s", |
| nse->nsei, VTY_NEWLINE, |
| nsvc->nse->nsei, VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| gprs_ns2_free_nsvc(nsvc); |
| if (llist_empty(&nse->nsvc)) { |
| nse->ll = GPRS_NS2_LL_UNDEF; |
| nse->dialect = NS2_DIALECT_UNDEF; |
| } |
| |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN(cfg_no_ns_nse_nsvci, cfg_no_ns_nse_nsvci_cmd, |
| "no nsvc nsvci <0-65535>", |
| NO_STR |
| "Delete NSVC\n" |
| NSVCI_STR |
| NSVCI_STR |
| ) |
| { |
| struct gprs_ns2_vc *nsvc; |
| struct gprs_ns2_nse *nse = vty->index; |
| uint16_t nsvci = atoi(argv[0]); |
| |
| switch (nse->dialect) { |
| case NS2_DIALECT_SNS: |
| case NS2_DIALECT_STATIC_ALIVE: |
| vty_out(vty, "NSE doesn't support NSVCI.%s", VTY_NEWLINE); |
| return CMD_WARNING; |
| case NS2_DIALECT_UNDEF: |
| vty_out(vty, "No NSVCs configured%s", VTY_NEWLINE); |
| return CMD_WARNING; |
| case NS2_DIALECT_IPACCESS: |
| case NS2_DIALECT_STATIC_RESETBLOCK: |
| break; |
| } |
| |
| nsvc = gprs_ns2_nsvc_by_nsvci(vty_nsi, nsvci); |
| if (!nsvc) { |
| vty_out(vty, "Can not find NS-VC with NS-VCI %u%s", nsvci, VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| if (nse != nsvc->nse) { |
| vty_out(vty, "NS-VC with NS-VCI %u is not part of this NSE!%s", |
| nsvci, VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| gprs_ns2_free_nsvc(nsvc); |
| if (llist_empty(&nse->nsvc)) { |
| nse->ll = GPRS_NS2_LL_UNDEF; |
| nse->dialect = NS2_DIALECT_UNDEF; |
| } |
| |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN(cfg_ns_nse_nsvc_udp, cfg_ns_nse_nsvc_udp_cmd, |
| "nsvc udp BIND " VTY_IPV46_CMD " <1-65535>", |
| "NS Virtual Connection\n" |
| "NS over UDP\n" |
| "A unique bind identifier created by ns bind\n" |
| "Remote IPv4 Address\n" "Remote IPv6 Address\n" |
| "Remote UDP Port\n" |
| ) |
| { |
| struct gprs_ns2_vc_bind *bind; |
| struct gprs_ns2_vc *nsvc; |
| struct gprs_ns2_nse *nse = vty->index; |
| bool dialect_modified = false; |
| bool ll_modified = false; |
| |
| const char *bind_name = argv[0]; |
| struct osmo_sockaddr_str remote_str; |
| struct osmo_sockaddr remote; |
| uint16_t port = atoi(argv[2]); |
| |
| if (nse->ll == GPRS_NS2_LL_UNDEF) { |
| nse->ll = GPRS_NS2_LL_UDP; |
| ll_modified = true; |
| } |
| |
| if (nse->dialect == NS2_DIALECT_UNDEF) { |
| nse->dialect = NS2_DIALECT_STATIC_ALIVE; |
| dialect_modified = true; |
| } |
| |
| if (nse->ll != GPRS_NS2_LL_UDP) { |
| vty_out(vty, "Can not mix NS-VC with different link layer%s", VTY_NEWLINE); |
| goto err; |
| } |
| |
| if (nse->dialect != NS2_DIALECT_STATIC_ALIVE) { |
| vty_out(vty, "Can not mix NS-VC with different dialects%s", VTY_NEWLINE); |
| goto err; |
| } |
| |
| if (osmo_sockaddr_str_from_str(&remote_str, argv[1], port)) { |
| vty_out(vty, "Can not parse IPv4/IPv6 or port.%s", VTY_NEWLINE); |
| goto err; |
| } |
| |
| if (osmo_sockaddr_str_to_sockaddr(&remote_str, &remote.u.sas)) { |
| vty_out(vty, "Can not parse IPv4/IPv6 or port.%s", VTY_NEWLINE); |
| goto err; |
| } |
| |
| bind = gprs_ns2_bind_by_name(vty_nsi, bind_name); |
| if (!bind) { |
| vty_out(vty, "Can not find bind with name %s%s", |
| bind_name, VTY_NEWLINE); |
| goto err; |
| } |
| |
| if (bind->ll != GPRS_NS2_LL_UDP) { |
| vty_out(vty, "Bind %s is not an UDP bind.%s", |
| bind_name, VTY_NEWLINE); |
| goto err; |
| } |
| |
| nsvc = gprs_ns2_ip_connect(bind, &remote, nse, 0); |
| if (!nsvc) { |
| vty_out(vty, "Can not create NS-VC.%s", VTY_NEWLINE); |
| goto err; |
| } |
| nsvc->persistent = true; |
| |
| return CMD_SUCCESS; |
| |
| err: |
| if (ll_modified) |
| nse->ll = GPRS_NS2_LL_UNDEF; |
| if (dialect_modified) |
| nse->dialect = NS2_DIALECT_UNDEF; |
| return CMD_WARNING; |
| } |
| |
| DEFUN(cfg_no_ns_nse_nsvc_udp, cfg_no_ns_nse_nsvc_udp_cmd, |
| "no nsvc udp BIND " VTY_IPV46_CMD " <1-65535>", |
| NO_STR |
| "Delete a NS Virtual Connection\n" |
| "NS over UDP\n" |
| "A unique bind identifier created by ns bind\n" |
| "Remote IPv4 Address\n" "Remote IPv6 Address\n" |
| "Remote UDP Port\n" |
| ) |
| { |
| struct gprs_ns2_vc_bind *bind; |
| struct gprs_ns2_vc *nsvc; |
| struct gprs_ns2_nse *nse = vty->index; |
| const char *bind_name = argv[0]; |
| struct osmo_sockaddr_str remote_str; |
| struct osmo_sockaddr remote; |
| uint16_t port = atoi(argv[2]); |
| |
| if (nse->ll != GPRS_NS2_LL_UDP) { |
| vty_out(vty, "This NSE doesn't support UDP.%s", VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| if (nse->dialect != NS2_DIALECT_STATIC_ALIVE) { |
| vty_out(vty, "This NSE doesn't support UDP with dialect static alive.%s", VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| bind = gprs_ns2_bind_by_name(vty_nsi, bind_name); |
| if (!bind) { |
| vty_out(vty, "Can not find bind with name %s%s", |
| bind_name, VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| if (bind->ll != GPRS_NS2_LL_UDP) { |
| vty_out(vty, "Bind %s is not an UDP bind.%s", |
| bind_name, VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| if (osmo_sockaddr_str_from_str(&remote_str, argv[1], port)) { |
| vty_out(vty, "Can not parse IPv4/IPv6 or port.%s", VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| if (osmo_sockaddr_str_to_sockaddr(&remote_str, &remote.u.sas)) { |
| vty_out(vty, "Can not parse IPv4/IPv6 or port.%s", VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| nsvc = gprs_ns2_nsvc_by_sockaddr_bind(bind, &remote); |
| if (!nsvc) { |
| vty_out(vty, "Can not find NS-VC with remote %s:%u%s", |
| remote_str.ip, remote_str.port, VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| if (!nsvc->persistent) { |
| vty_out(vty, "NS-VC with remote %s:%u is a dynamic NS-VC. Not configured by vty.%s", |
| remote_str.ip, remote_str.port, VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| if (nsvc->nse != nse) { |
| vty_out(vty, "NS-VC is not part of this NSE!%s", VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| gprs_ns2_free_nsvc(nsvc); |
| if (llist_empty(&nse->nsvc)) { |
| nse->ll = GPRS_NS2_LL_UNDEF; |
| nse->dialect = NS2_DIALECT_UNDEF; |
| } |
| |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN(cfg_ns_nse_nsvc_ipa, cfg_ns_nse_nsvc_ipa_cmd, |
| "nsvc ipa BIND " VTY_IPV46_CMD " <1-65535> nsvci <0-65535>" , |
| "NS Virtual Connection\n" |
| "NS over UDP ip.access style (uses RESET/BLOCK)\n" |
| "A unique bind identifier created by ns bind\n" |
| "Remote IPv4 Address\n" "Remote IPv6 Address\n" |
| "Remote UDP Port\n" |
| NSVCI_STR |
| NSVCI_STR |
| ) |
| { |
| struct gprs_ns2_vc_bind *bind; |
| struct gprs_ns2_vc *nsvc; |
| struct gprs_ns2_nse *nse = vty->index; |
| bool dialect_modified = false; |
| bool ll_modified = false; |
| |
| const char *bind_name = argv[0]; |
| struct osmo_sockaddr_str remote_str; |
| struct osmo_sockaddr remote; |
| uint16_t port = atoi(argv[2]); |
| uint16_t nsvci = atoi(argv[3]); |
| |
| if (nse->ll == GPRS_NS2_LL_UNDEF) { |
| nse->ll = GPRS_NS2_LL_UDP; |
| ll_modified = true; |
| } |
| |
| if (nse->dialect == NS2_DIALECT_UNDEF) { |
| nse->dialect = NS2_DIALECT_IPACCESS; |
| dialect_modified = true; |
| } |
| |
| if (nse->ll != GPRS_NS2_LL_UDP) { |
| vty_out(vty, "Can not mix NS-VC with different link layer%s", VTY_NEWLINE); |
| goto err; |
| } |
| |
| if (nse->dialect != NS2_DIALECT_IPACCESS) { |
| vty_out(vty, "Can not mix NS-VC with different dialects%s", VTY_NEWLINE); |
| goto err; |
| } |
| |
| if (osmo_sockaddr_str_from_str(&remote_str, argv[1], port)) { |
| vty_out(vty, "Can not parse IPv4/IPv6 or port.%s", VTY_NEWLINE); |
| goto err; |
| } |
| |
| if (osmo_sockaddr_str_to_sockaddr(&remote_str, &remote.u.sas)) { |
| vty_out(vty, "Can not parse IPv4/IPv6 or port.%s", VTY_NEWLINE); |
| goto err; |
| } |
| |
| bind = gprs_ns2_bind_by_name(vty_nsi, bind_name); |
| if (!bind) { |
| vty_out(vty, "Can not find bind with name %s%s", |
| bind_name, VTY_NEWLINE); |
| goto err; |
| } |
| |
| if (bind->ll != GPRS_NS2_LL_UDP) { |
| vty_out(vty, "Bind %s is not an UDP bind.%s", |
| bind_name, VTY_NEWLINE); |
| goto err; |
| } |
| |
| nsvc = gprs_ns2_ip_connect(bind, &remote, nse, nsvci); |
| if (!nsvc) { |
| vty_out(vty, "Can not create NS-VC.%s", VTY_NEWLINE); |
| goto err; |
| } |
| nsvc->persistent = true; |
| |
| return CMD_SUCCESS; |
| |
| err: |
| if (ll_modified) |
| nse->ll = GPRS_NS2_LL_UNDEF; |
| if (dialect_modified) |
| nse->dialect = NS2_DIALECT_UNDEF; |
| return CMD_WARNING; |
| } |
| |
| DEFUN(cfg_no_ns_nse_nsvc_ipa, cfg_no_ns_nse_nsvc_ipa_cmd, |
| "no nsvc ipa BIND " VTY_IPV46_CMD " <1-65535> nsvci <0-65535>", |
| NO_STR |
| "Delete a NS Virtual Connection\n" |
| "NS over UDP\n" |
| "A unique bind identifier created by ns bind\n" |
| "Remote IPv4 Address\n" "Remote IPv6 Address\n" |
| "Remote UDP Port\n" |
| NSVCI_STR |
| NSVCI_STR |
| ) |
| { |
| struct gprs_ns2_vc_bind *bind; |
| struct gprs_ns2_vc *nsvc; |
| struct gprs_ns2_nse *nse = vty->index; |
| const char *bind_name = argv[0]; |
| struct osmo_sockaddr_str remote_str; |
| struct osmo_sockaddr remote; |
| uint16_t port = atoi(argv[2]); |
| uint16_t nsvci = atoi(argv[3]); |
| |
| if (nse->ll != GPRS_NS2_LL_UDP) { |
| vty_out(vty, "This NSE doesn't support UDP.%s", VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| if (nse->dialect != NS2_DIALECT_IPACCESS) { |
| vty_out(vty, "This NSE doesn't support UDP with dialect ipaccess.%s", VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| bind = gprs_ns2_bind_by_name(vty_nsi, bind_name); |
| if (!bind) { |
| vty_out(vty, "Can not find bind with name %s%s", |
| bind_name, VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| if (bind->ll != GPRS_NS2_LL_UDP) { |
| vty_out(vty, "Bind %s is not an UDP bind.%s", |
| bind_name, VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| if (osmo_sockaddr_str_from_str(&remote_str, argv[1], port)) { |
| vty_out(vty, "Can not parse IPv4/IPv6 or port.%s", VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| if (osmo_sockaddr_str_to_sockaddr(&remote_str, &remote.u.sas)) { |
| vty_out(vty, "Can not parse IPv4/IPv6 or port.%s", VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| nsvc = gprs_ns2_nsvc_by_sockaddr_bind(bind, &remote); |
| if (!nsvc) { |
| vty_out(vty, "Can not find NS-VC with remote %s:%u%s", |
| remote_str.ip, remote_str.port, VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| if (!nsvc->persistent) { |
| vty_out(vty, "NS-VC with remote %s:%u is a dynamic NS-VC. Not configured by vty.%s", |
| remote_str.ip, remote_str.port, VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| if (nsvc->nse != nse) { |
| vty_out(vty, "NS-VC is not part of this NSE!%s", VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| if (!nsvc->nsvci_is_valid) { |
| vty_out(vty, "NS-VC doesn't have a nsvci!%s", VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| if (nsvc->nsvci != nsvci) { |
| vty_out(vty, "NS-VC has a different nsvci (%u)!%s", |
| nsvc->nsvci, VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| gprs_ns2_free_nsvc(nsvc); |
| if (llist_empty(&nse->nsvc)) { |
| nse->ll = GPRS_NS2_LL_UNDEF; |
| nse->dialect = NS2_DIALECT_UNDEF; |
| } |
| |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN(cfg_ns_nse_ip_sns, cfg_ns_nse_ip_sns_cmd, |
| "ip-sns " VTY_IPV46_CMD " <1-65535>", |
| "SNS Initial Endpoint\n" |
| "SGSN IPv4 Address\n" "SGSN IPv6 Address\n" |
| "SGSN UDP Port\n" |
| ) |
| { |
| struct gprs_ns2_nse *nse = vty->index; |
| bool dialect_modified = false; |
| bool ll_modified = false; |
| int rc; |
| |
| /* argv[0] */ |
| struct osmo_sockaddr_str remote_str; |
| struct osmo_sockaddr remote; |
| uint16_t port = atoi(argv[1]); |
| |
| if (nse->ll == GPRS_NS2_LL_UNDEF) { |
| nse->ll = GPRS_NS2_LL_UDP; |
| ll_modified = true; |
| } |
| |
| if (nse->dialect == NS2_DIALECT_UNDEF) { |
| char sns[16]; |
| snprintf(sns, sizeof(sns), "NSE%05u-SNS", nse->nsei); |
| nse->bss_sns_fi = ns2_sns_bss_fsm_alloc(nse, sns); |
| if (!nse->bss_sns_fi) |
| goto err; |
| nse->dialect = NS2_DIALECT_SNS; |
| dialect_modified = true; |
| } |
| |
| if (nse->ll != GPRS_NS2_LL_UDP) { |
| vty_out(vty, "Can not mix NS-VC with different link layer%s", VTY_NEWLINE); |
| goto err; |
| } |
| |
| if (nse->dialect != NS2_DIALECT_SNS) { |
| vty_out(vty, "Can not mix NS-VC with different dialects%s", VTY_NEWLINE); |
| goto err; |
| } |
| |
| if (osmo_sockaddr_str_from_str(&remote_str, argv[0], port)) { |
| vty_out(vty, "Can not parse IPv4/IPv6 or port.%s", VTY_NEWLINE); |
| goto err; |
| } |
| |
| if (osmo_sockaddr_str_to_sockaddr(&remote_str, &remote.u.sas)) { |
| vty_out(vty, "Can not parse IPv4/IPv6 or port.%s", VTY_NEWLINE); |
| goto err; |
| } |
| |
| rc = gprs_ns2_sns_add_endpoint(nse, &remote); |
| switch (rc) { |
| case 0: |
| return CMD_SUCCESS; |
| case -EADDRINUSE: |
| vty_out(vty, "Specified SNS endpoint already part of the NSE.%s", VTY_NEWLINE); |
| return CMD_WARNING; |
| default: |
| vty_out(vty, "Can not add specified SNS endpoint.%s", VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| err: |
| if (ll_modified) |
| nse->ll = GPRS_NS2_LL_UNDEF; |
| if (dialect_modified) |
| nse->dialect = NS2_DIALECT_UNDEF; |
| return CMD_WARNING; |
| } |
| |
| DEFUN(cfg_no_ns_nse_ip_sns, cfg_no_ns_nse_ip_sns_cmd, |
| "no ip-sns " VTY_IPV46_CMD " <1-65535>", |
| NO_STR |
| "Delete a SNS Initial Endpoint\n" |
| "SGSN IPv4 Address\n" "SGSN IPv6 Address\n" |
| "SGSN UDP Port\n" |
| ) |
| { |
| struct gprs_ns2_nse *nse = vty->index; |
| struct osmo_sockaddr_str remote_str; /* argv[0] */ |
| struct osmo_sockaddr remote; |
| uint16_t port = atoi(argv[1]); |
| int count; |
| |
| if (nse->ll != GPRS_NS2_LL_UDP) { |
| vty_out(vty, "This NSE doesn't support UDP.%s", VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| if (nse->dialect != NS2_DIALECT_SNS) { |
| vty_out(vty, "This NSE doesn't support UDP with dialect ip-sns.%s", VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| if (osmo_sockaddr_str_from_str(&remote_str, argv[0], port)) { |
| vty_out(vty, "Can not parse IPv4/IPv6 or port.%s", VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| if (osmo_sockaddr_str_to_sockaddr(&remote_str, &remote.u.sas)) { |
| vty_out(vty, "Can not parse IPv4/IPv6 or port.%s", VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| if (gprs_ns2_sns_del_endpoint(nse, &remote)) { |
| vty_out(vty, "Can not remove specified SNS endpoint.%s", VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| count = gprs_ns2_sns_count(nse); |
| if (count > 0) { |
| /* there are other sns endpoints */ |
| return CMD_SUCCESS; |
| } else if (count < 0) { |
| OSMO_ASSERT(0); |
| } else { |
| /* clean up nse to allow other nsvc commands */ |
| osmo_fsm_inst_term(nse->bss_sns_fi, OSMO_FSM_TERM_REQUEST, NULL); |
| nse->bss_sns_fi = NULL; |
| nse->ll = GPRS_NS2_LL_UNDEF; |
| nse->dialect = NS2_DIALECT_UNDEF; |
| } |
| |
| return CMD_SUCCESS; |
| } |
| |
| |
| /* non-config commands */ |
| static void dump_nsvc(struct vty *vty, struct gprs_ns2_vc *nsvc, bool stats) |
| { |
| char nsvci_str[32]; |
| |
| if (nsvc->nsvci_is_valid) |
| snprintf(nsvci_str, sizeof(nsvci_str), "%05u", nsvc->nsvci); |
| else |
| snprintf(nsvci_str, sizeof(nsvci_str), "none"); |
| |
| vty_out(vty, " NSVCI %s: %s %s data_weight=%u sig_weight=%u %s%s", nsvci_str, |
| osmo_fsm_inst_state_name(nsvc->fi), |
| nsvc->persistent ? "PERSIST" : "DYNAMIC", |
| nsvc->data_weight, nsvc->sig_weight, |
| gprs_ns2_ll_str(nsvc), VTY_NEWLINE); |
| |
| if (stats) { |
| vty_out_rate_ctr_group(vty, " ", nsvc->ctrg); |
| vty_out_stat_item_group(vty, " ", nsvc->statg); |
| } |
| } |
| |
| static void dump_nse(struct vty *vty, const struct gprs_ns2_nse *nse, bool stats, bool persistent_only) |
| { |
| struct gprs_ns2_vc *nsvc; |
| |
| vty_out(vty, "NSEI %05u: %s, %s%s", nse->nsei, gprs_ns2_lltype_str(nse->ll), |
| nse->alive ? "ALIVE" : "DEAD", VTY_NEWLINE); |
| |
| gprs_ns2_sns_dump_vty(vty, " ", nse, stats); |
| llist_for_each_entry(nsvc, &nse->nsvc, list) { |
| if (persistent_only) { |
| if (nsvc->persistent) |
| dump_nsvc(vty, nsvc, stats); |
| } else { |
| dump_nsvc(vty, nsvc, stats); |
| } |
| } |
| } |
| |
| static void dump_bind(struct vty *vty, const struct gprs_ns2_vc_bind *bind, bool stats) |
| { |
| if (bind->dump_vty) |
| bind->dump_vty(bind, vty, stats); |
| } |
| |
| static void dump_ns_bind(struct vty *vty, const struct gprs_ns2_inst *nsi, bool stats) |
| { |
| struct gprs_ns2_vc_bind *bind; |
| |
| llist_for_each_entry(bind, &nsi->binding, list) { |
| dump_bind(vty, bind, stats); |
| } |
| } |
| |
| |
| static void dump_ns_entities(struct vty *vty, const struct gprs_ns2_inst *nsi, bool stats, bool persistent_only) |
| { |
| struct gprs_ns2_nse *nse; |
| |
| llist_for_each_entry(nse, &nsi->nse, list) { |
| dump_nse(vty, nse, stats, persistent_only); |
| } |
| } |
| |
| /* Backwards compatibility, among other things for the TestVTYGbproxy which expects |
| * 'show ns' to output something about binds */ |
| DEFUN_HIDDEN(show_ns, show_ns_cmd, "show ns", |
| SHOW_STR SHOW_NS_STR) |
| { |
| dump_ns_entities(vty, vty_nsi, false, false); |
| dump_ns_bind(vty, vty_nsi, false); |
| return CMD_SUCCESS; |
| } |
| |
| |
| DEFUN(show_ns_binds, show_ns_binds_cmd, "show ns binds [stats]", |
| SHOW_STR SHOW_NS_STR |
| "Display information about the NS protocol binds\n" |
| "Include statistic\n") |
| { |
| bool stats = false; |
| if (argc > 0) |
| stats = true; |
| |
| dump_ns_bind(vty, vty_nsi, stats); |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN(show_ns_entities, show_ns_entities_cmd, "show ns entities [stats]", |
| SHOW_STR SHOW_NS_STR |
| "Display information about the NS protocol entities (NSEs)\n" |
| "Include statistics\n") |
| { |
| bool stats = false; |
| if (argc > 0) |
| stats = true; |
| |
| dump_ns_entities(vty, vty_nsi, stats, false); |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN(show_ns_pers, show_ns_pers_cmd, "show ns persistent", |
| SHOW_STR SHOW_NS_STR |
| "Show only persistent NS\n") |
| { |
| dump_ns_entities(vty, vty_nsi, true, true); |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN(show_nse, show_nse_cmd, "show ns (nsei|nsvc) <0-65535> [stats]", |
| SHOW_STR SHOW_NS_STR |
| "Select one NSE by its NSE Identifier\n" |
| "Select one NSE by its NS-VC Identifier\n" |
| "The Identifier of selected type\n" |
| "Include Statistics\n") |
| { |
| struct gprs_ns2_inst *nsi = vty_nsi; |
| struct gprs_ns2_nse *nse; |
| struct gprs_ns2_vc *nsvc; |
| uint16_t id = atoi(argv[1]); |
| bool show_stats = false; |
| |
| if (argc >= 3) |
| show_stats = true; |
| |
| if (!strcmp(argv[0], "nsei")) { |
| nse = gprs_ns2_nse_by_nsei(nsi, id); |
| if (!nse) { |
| return CMD_WARNING; |
| } |
| |
| dump_nse(vty, nse, show_stats, false); |
| } else { |
| nsvc = gprs_ns2_nsvc_by_nsvci(nsi, id); |
| |
| if (!nsvc) { |
| vty_out(vty, "No such NS Entity%s", VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| dump_nsvc(vty, nsvc, show_stats); |
| } |
| |
| return CMD_SUCCESS; |
| } |
| |
| static int nsvc_force_unconf_cb(struct gprs_ns2_vc *nsvc, void *ctx) |
| { |
| gprs_ns2_vc_force_unconfigured(nsvc); |
| return 0; |
| } |
| |
| DEFUN_HIDDEN(nsvc_force_unconf, nsvc_force_unconf_cmd, |
| "nsvc nsei <0-65535> force-unconfigured", |
| "NS Virtual Connection\n" |
| "The NSEI\n" |
| "Reset the NSVCs back to initial state\n" |
| ) |
| { |
| struct gprs_ns2_inst *nsi = vty_nsi; |
| struct gprs_ns2_nse *nse; |
| |
| uint16_t id = atoi(argv[0]); |
| |
| nse = gprs_ns2_nse_by_nsei(nsi, id); |
| if (!nse) { |
| vty_out(vty, "Could not find NSE for NSEI %u%s", id, VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| if (!nse->persistent) { |
| gprs_ns2_free_nse(nse); |
| } else if (nse->dialect == 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; |
| } |