libosmogb 1.10.0.64-ff3d
Osmocom Gb library
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GPRS Networks Service (NS) messages on the Gb interface. More...
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <stdint.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <osmocom/core/fsm.h>
#include <osmocom/core/logging.h>
#include <osmocom/core/msgb.h>
#include <osmocom/core/rate_ctr.h>
#include <osmocom/core/socket.h>
#include <osmocom/core/sockaddr_str.h>
#include <osmocom/core/stats.h>
#include <osmocom/core/stat_item.h>
#include <osmocom/core/talloc.h>
#include <osmocom/gprs/gprs_msgb.h>
#include <osmocom/gsm/prim.h>
#include <osmocom/gsm/tlv.h>
#include "gprs_ns2_internal.h"
Macros | |
#define | ns_set_state(ns_, st_) ns_set_state_with_log(ns_, st_, false, __FILE__, __LINE__) |
#define | ns_set_remote_state(ns_, st_) ns_set_state_with_log(ns_, st_, true, __FILE__, __LINE__) |
#define | ns_mark_blocked(ns_) ns_set_state(ns_, (ns_)->state | NSE_S_BLOCKED) |
#define | ns_mark_unblocked(ns_) ns_set_state(ns_, (ns_)->state & (~NSE_S_BLOCKED)); |
#define | ns_mark_alive(ns_) ns_set_state(ns_, (ns_)->state | NSE_S_ALIVE) |
#define | ns_mark_dead(ns_) ns_set_state(ns_, (ns_)->state & (~NSE_S_ALIVE)); |
#define | NS2_LL_MAX_STR 4+2*(INET6_ADDRSTRLEN+9)+8 |
Functions | |
char * | gprs_ns2_ll_str_buf (char *buf, size_t buf_len, struct gprs_ns2_vc *nsvc) |
string-format a given NS-VC into a user-supplied buffer. More... | |
const char * | gprs_ns2_ll_str (struct gprs_ns2_vc *nsvc) |
string-format a given NS-VC to a thread-local static buffer. More... | |
char * | gprs_ns2_ll_str_c (const void *ctx, struct gprs_ns2_vc *nsvc) |
string-format a given NS-VC to a dynamically allocated string. More... | |
const char * | gprs_ns2_nsvc_state_name (struct gprs_ns2_vc *nsvc) |
Return the current state name of a given NS-VC to a thread-local static buffer. More... | |
static struct gprs_ns2_vc * | ns2_load_sharing_signal (struct gprs_ns2_nse *nse) |
static struct gprs_ns2_vc * | ns2_load_sharing_modulo (struct gprs_ns2_nse *nse, uint16_t bvci, uint32_t load_selector) |
static struct gprs_ns2_vc * | ns2_load_sharing_weight_modulo (struct gprs_ns2_nse *nse, uint16_t bvci, uint32_t load_selector) |
struct gprs_ns2_vc * | ns2_load_sharing_first (struct gprs_ns2_nse *nse) |
static struct gprs_ns2_vc * | ns2_load_sharing (struct gprs_ns2_nse *nse, uint16_t bvci, uint32_t link_selector) |
int | gprs_ns2_recv_prim (struct gprs_ns2_inst *nsi, struct osmo_prim_hdr *oph) |
Receive a primitive from the NS User (Gb). More... | |
void | ns2_prim_status_ind (struct gprs_ns2_nse *nse, struct gprs_ns2_vc *nsvc, uint16_t bvci, enum gprs_ns2_affecting_cause cause) |
Send a STATUS.ind primitive to the specified NS instance user. More... | |
struct gprs_ns2_vc * | ns2_vc_alloc (struct gprs_ns2_vc_bind *bind, struct gprs_ns2_nse *nse, bool initiater, enum gprs_ns2_vc_mode vc_mode, const char *id) |
Allocate a NS-VC within the given bind + NSE. More... | |
void | gprs_ns2_free_nsvc (struct gprs_ns2_vc *nsvc) |
Destroy/release given NS-VC. More... | |
void | ns2_free_nsvcs (struct gprs_ns2_nse *nse) |
void | gprs_ns2_free_nsvcs (struct gprs_ns2_nse *nse) |
Destroy/release all NS-VC of given NSE. More... | |
struct msgb * | ns2_msgb_alloc (void) |
Allocate a message buffer for use with the NS2 stack. More... | |
static int | reject_status_msg (struct msgb *orig_msg, struct tlv_parsed *tp, struct msgb **reject, enum ns_cause cause) |
Create a status message to be sent over a new connection. More... | |
struct gprs_ns2_nse * | gprs_ns2_nse_by_nsei (struct gprs_ns2_inst *nsi, uint16_t nsei) |
Resolve a NS Entity based on its NSEI. More... | |
struct gprs_ns2_vc * | gprs_ns2_nsvc_by_nsvci (struct gprs_ns2_inst *nsi, uint16_t nsvci) |
Resolve a NS-VC Entity based on its NS-VCI. More... | |
struct gprs_ns2_nse * | gprs_ns2_create_nse2 (struct gprs_ns2_inst *nsi, uint16_t nsei, enum gprs_ns2_ll linklayer, enum gprs_ns2_dialect dialect, bool ip_sns_role_sgsn) |
Create a NS Entity within given NS instance. More... | |
int | ns2_nse_set_dialect (struct gprs_ns2_nse *nse, enum gprs_ns2_dialect dialect) |
struct gprs_ns2_nse * | gprs_ns2_create_nse (struct gprs_ns2_inst *nsi, uint16_t nsei, enum gprs_ns2_ll linklayer, enum gprs_ns2_dialect dialect) |
Create a NS Entity within given NS instance. More... | |
uint16_t | gprs_ns2_nse_nsei (struct gprs_ns2_nse *nse) |
Return the NSEI. More... | |
void | gprs_ns2_free_nse (struct gprs_ns2_nse *nse) |
Destroy given NS Entity. More... | |
void | gprs_ns2_free_nses (struct gprs_ns2_inst *nsi) |
static int | ns2_tlv_parse (struct tlv_parsed *dec, const uint8_t *buf, int buf_len, uint8_t lv_tag, uint8_t lv_tag2) |
static enum ns2_cs | ns2_create_vc_sns (struct gprs_ns2_vc_bind *bind, const struct osmo_sockaddr *remote, struct gprs_ns2_vc **success, uint16_t nsei) |
enum ns2_cs | ns2_create_vc (struct gprs_ns2_vc_bind *bind, struct msgb *msg, const struct osmo_sockaddr *remote, const char *logname, struct msgb **reject, struct gprs_ns2_vc **success) |
Create a new NS-VC based on a [received] message. More... | |
struct gprs_ns2_vc * | gprs_ns2_ip_connect_inactive (struct gprs_ns2_vc_bind *bind, const struct osmo_sockaddr *remote, struct gprs_ns2_nse *nse, uint16_t nsvci) |
Create, and connect an inactive, new IP-based NS-VC. More... | |
struct gprs_ns2_vc * | gprs_ns2_ip_connect (struct gprs_ns2_vc_bind *bind, const struct osmo_sockaddr *remote, struct gprs_ns2_nse *nse, uint16_t nsvci) |
Create, connect and activate a new IP-based NS-VC. More... | |
struct gprs_ns2_vc * | gprs_ns2_ip_connect2 (struct gprs_ns2_vc_bind *bind, const struct osmo_sockaddr *remote, uint16_t nsei, uint16_t nsvci, enum gprs_ns2_dialect dialect) |
Create, connect and activate a new IP-based NS-VC. More... | |
struct gprs_ns2_vc * | gprs_ns2_nsvc_by_sockaddr_nse (struct gprs_ns2_nse *nse, const struct osmo_sockaddr *sockaddr) |
Find NS-VC for given socket address. More... | |
int | gprs_ns2_nse_foreach_nsvc (struct gprs_ns2_nse *nse, gprs_ns2_foreach_nsvc_cb cb, void *cb_data) |
Iterate over all nsvc of a NS Entity and call the callback. More... | |
int | ns2_recv_vc (struct gprs_ns2_vc *nsvc, struct msgb *msg) |
Bottom-side entry-point for received NS PDU from the driver/bind. More... | |
void | ns2_nse_data_sum (struct gprs_ns2_nse *nse) |
void | ns2_nse_notify_unblocked (struct gprs_ns2_vc *nsvc, bool unblocked) |
Notify a nse about the change of a NS-VC. More... | |
struct gprs_ns2_inst * | gprs_ns2_instantiate (void *ctx, osmo_prim_cb cb, void *cb_data) |
Create a new GPRS NS instance. More... | |
void | gprs_ns2_free (struct gprs_ns2_inst *nsi) |
Destroy a NS Instance (including all its NSEs, binds, ...). More... | |
void | gprs_ns2_start_alive_all_nsvcs (struct gprs_ns2_nse *nse) |
Start the NS-ALIVE FSM in all NS-VCs of given NSE. More... | |
void | gprs_ns2_free_bind (struct gprs_ns2_vc_bind *bind) |
Destroy a given bind. More... | |
void | gprs_ns2_free_binds (struct gprs_ns2_inst *nsi) |
struct gprs_ns2_vc_bind * | gprs_ns2_bind_by_name (struct gprs_ns2_inst *nsi, const char *name) |
Search for a bind with a unique name. More... | |
enum gprs_ns2_vc_mode | ns2_dialect_to_vc_mode (enum gprs_ns2_dialect dialect) |
static void | add_bind_array (struct gprs_ns2_vc_bind **array, struct gprs_ns2_vc_bind *bind, int size) |
void | ns2_nse_update_mtu (struct gprs_ns2_nse *nse) |
int | ns2_count_transfer_cap (struct gprs_ns2_nse *nse, uint16_t bvci) |
calculate the transfer capabilities for a nse More... | |
int | ns2_bind_alloc (struct gprs_ns2_inst *nsi, const char *name, struct gprs_ns2_vc_bind **result) |
common allocation + low-level initialization of a bind. More... | |
Variables | |
static const struct tlv_definition | ns_att_tlvdef1 |
static const struct tlv_definition | ns_att_tlvdef2 |
const struct value_string | gprs_ns2_cause_strs [] |
static const struct rate_ctr_desc | ns_ctr_description [] |
static const struct rate_ctr_group_desc | nse_ctrg_desc |
static const struct rate_ctr_group_desc | nsvc_ctrg_desc |
static const struct osmo_stat_item_desc | nsvc_stat_description [] |
static const struct osmo_stat_item_group_desc | nsvc_statg_desc |
const struct osmo_stat_item_desc | nsbind_stat_description [] |
static const struct osmo_stat_item_group_desc | nsbind_statg_desc |
const struct value_string | gprs_ns2_aff_cause_prim_strs [] |
const struct value_string | gprs_ns2_prim_strs [] |
const struct value_string | gprs_ns2_lltype_strs [] |
GPRS Networks Service (NS) messages on the Gb interface.
3GPP TS 08.16 version 8.0.1 Release 1999 / ETSI TS 101 299 V8.0.1 (2002-05) as well as its successor 3GPP TS 48.016