8 #include <netinet/in.h> 17 #define NS_TIMERS_COUNT 7 18 #define NS_TIMERS "(tns-block|tns-block-retries|tns-reset|tns-reset-retries|tns-test|tns-alive|tns-alive-retries)" 19 #define NS_TIMERS_HELP \ 20 "(un)blocking Timer (Tns-block) timeout\n" \ 21 "(un)blocking Timer (Tns-block) number of retries\n" \ 22 "Reset Timer (Tns-reset) timeout\n" \ 23 "Reset Timer (Tns-reset) number of retries\n" \ 24 "Test Timer (Tns-test) timeout\n" \ 25 "Alive Timer (Tns-alive) timeout\n" \ 26 "Alive Timer (Tns-alive) number of retries\n" 29 #define NS_ALLOC_SIZE 3072 30 #define NS_ALLOC_HEADROOM 20 42 #define NSE_S_BLOCKED 0x0001 43 #define NSE_S_ALIVE 0x0002 44 #define NSE_S_RESET 0x0004 46 #define NS_DESC_B(st) ((st) & NSE_S_BLOCKED ? "BLOCKED" : "UNBLOCKED") 47 #define NS_DESC_A(st) ((st) & NSE_S_ALIVE ? "ALIVE" : "DEAD") 48 #define NS_DESC_R(st) ((st) & NSE_S_RESET ? "RESET" : "UNRESET") 130 struct timeval timer_started;
147 struct sockaddr_in bts_addr;
150 struct sockaddr_in bts_addr;
169 struct sockaddr_in *dest,
Definition: gprs_ns.h:213
signal_ns
Definition: gprs_ns.h:207
Definition: gprs_ns.h:211
Definition: gprs_ns.h:109
NS/FR/GRE/IP.
Definition: gprs_ns.h:54
struct msgb * gprs_ns_msgb_alloc(void)
Definition: gprs_ns.c:174
uint32_t remote_ip
Definition: gprs_ns.h:95
Structure representing a single NS-VC.
Definition: gprs_ns.h:116
void gprs_ns_destroy(struct gprs_ns_inst *nsi)
Destroy an entire NS instance.
Definition: gprs_ns.c:1495
int gprs_ns_tx_unblock(struct gprs_nsvc *nsvc)
Transmit a NS-UNBLOCK on a given NS-VC.
Definition: gprs_ns.c:554
unsigned int persistent
Definition: gprs_ns.h:134
uint16_t nsei
Definition: gprs_ns.h:122
struct gprs_ns_inst * nsi
pointer to NS Instance
Definition: gprs_ns.h:120
void gprs_ns_close(struct gprs_ns_inst *nsi)
Definition: gprs_ns.c:1471
NS/UDP/IP.
Definition: gprs_ns.h:52
gprs_ns_cs
Osmocom NS VC create status.
Definition: gprs_ns.h:63
int gprs_ns_sendmsg(struct gprs_ns_inst *nsi, struct msgb *msg)
High-level function for transmitting a NS-UNITDATA messsage.
Definition: gprs_ns.c:728
uint32_t local_ip
Definition: gprs_ns.h:93
int dscp
Definition: gprs_ns.h:97
Definition: gprs_ns.h:219
struct llist_head gprs_nsvcs
linked lists of all NSVC in this instance
Definition: gprs_ns.h:82
int gprs_ns_tx_block(struct gprs_nsvc *nsvc, uint8_t cause)
Transmit a NS-BLOCK on a tiven NS-VC.
Definition: gprs_ns.c:522
uint16_t remote_port
Definition: gprs_ns.h:96
struct gprs_ns_inst * gprs_ns_instantiate(gprs_ns_cb_t *cb, void *ctx)
Create a new GPRS NS instance.
Definition: gprs_ns.c:1447
unsigned int nsvci_is_valid
Definition: gprs_ns.h:135
NS/E1.
Definition: gprs_ns.h:53
struct gprs_nsvc * unknown_nsvc
a NSVC object that's needed to deal with packets for unknown NSVC
Definition: gprs_ns.h:86
gprs_ns_cb_t * cb
callback to the user for incoming UNIT DATA IND
Definition: gprs_ns.h:79
struct gprs_nsvc * gprs_nsvc_create(struct gprs_ns_inst *nsi, uint16_t nsvci)
Definition: gprs_ns.c:262
Skipped message.
Definition: gprs_ns.h:67
Definition: gprs_ns.h:111
An instance of the NS protocol stack.
Definition: gprs_ns.h:77
void gprs_ns_set_log_ss(int ss)
Definition: gprs_ns.c:1703
struct msgb * msg
Definition: gprs_ns.h:225
Definition: gprs_ns.h:209
void gprs_nsvc_delete(struct gprs_nsvc *nsvc)
Delete given NS-VC.
Definition: gprs_ns.c:286
const char * gprs_ns_ll_str(const struct gprs_nsvc *nsvc)
Definition: gprs_ns.c:1176
gprs_ns_evt
Osmoco NS events.
Definition: gprs_ns.h:58
struct rate_ctr_group * ctrg
Definition: gprs_ns.h:137
A NSVC object has been found.
Definition: gprs_ns.h:65
int gprs_nsvc_reset(struct gprs_nsvc *nsvc, uint8_t cause)
Initiate a RESET procedure.
Definition: gprs_ns.c:1654
const struct value_string gprs_ns_signal_ns_names[]
Definition: gprs_ns.c:159
uint16_t nsei
Definition: gprs_msgb.h:80
struct gprs_nsvc * gprs_ns_nsip_connect(struct gprs_ns_inst *nsi, struct sockaddr_in *dest, uint16_t nsei, uint16_t nsvci)
Establish a NS connection (from the BSS) to the SGSN.
Definition: gprs_ns.c:1686
struct gprs_nsvc * nsvc
Definition: gprs_ns.h:220
int gprs_ns_nsip_listen(struct gprs_ns_inst *nsi)
Create a listening socket for GPRS NS/UDP/IP.
Definition: gprs_ns.c:1597
Definition: gprs_ns.h:208
struct gprs_nsvc * gprs_nsvc_by_nsei(struct gprs_ns_inst *nsi, uint16_t nsei)
Lookup struct gprs_nsvc based on NSEI.
Definition: gprs_ns.c:222
Definition: gprs_ns.h:110
uint16_t local_port
Definition: gprs_ns.h:94
uint16_t bvci
Definition: gprs_msgb.h:81
void gprs_ns_ll_clear(struct gprs_nsvc *nsvc)
Definition: gprs_ns.c:1215
nsvc_timer_mode
Definition: gprs_ns.h:107
uint16_t timeout[NS_TIMERS_COUNT]
Definition: gprs_ns.h:88
#define NS_TIMERS_COUNT
Definition: gprs_ns.h:17
struct osmo_fd fd
Definition: gprs_ns.h:92
unsigned int enabled
Definition: gprs_ns.h:103
int gprs_ns_cb_t(enum gprs_ns_evt event, struct gprs_nsvc *nsvc, struct msgb *msg, uint16_t bvci)
Osmocom GPRS callback function type.
Definition: gprs_ns.h:73
uint16_t nsvci
end-to-end significance
Definition: gprs_ns.h:123
uint32_t remote_state
Definition: gprs_ns.h:126
uint8_t pdu_type
Definition: gprs_ns.h:223
char * gprs_nsvc_state_append(char *s, struct gprs_nsvc *nsvc)
Append the nsvc state to a talloc string.
Definition: gprs_ns.c:1716
A NSVC object has been created.
Definition: gprs_ns.h:64
Rejected and answered message.
Definition: gprs_ns.h:66
unsigned int remote_end_is_sgsn
Definition: gprs_ns.h:133
uint8_t cause
Definition: gprs_ns.h:222
int alive_retries
Definition: gprs_ns.h:131
ns_cause
NS Cause (TS 08.16, Section 10.3.2, Table 13)
Definition: gsm_08_16.h:63
void gprs_ns_ll_copy(struct gprs_nsvc *nsvc, struct gprs_nsvc *other)
Definition: gprs_ns.c:1199
const char * gprs_ns_cause_str(enum ns_cause cause)
Obtain a human-readable string for NS cause value.
Definition: gprs_ns.c:372
uint32_t state
uniquely identifies NS-VC at SGSN
Definition: gprs_ns.h:125
struct gprs_nsvc * old_nsvc
Definition: gprs_ns.h:221
int gprs_ns_frgre_listen(struct gprs_ns_inst *nsi)
Definition: gprs_ns_frgre.c:326
uint8_t ie_type
Definition: gprs_ns.h:224
gprs_ns_ll
Osmocom NS link layer types.
Definition: gprs_ns.h:51
GPRS Networks Service (NS) messages on the Gb interface.
struct gprs_ns_inst::@2 nsip
NS-over-IP specific bits.
Definition: gprs_ns.h:210
ns_timeout
Definition: gprs_ns.h:32
int gprs_ns_tx_reset(struct gprs_nsvc *nsvc, uint8_t cause)
Transmit a NS-RESET on a given NSVC.
Definition: gprs_ns.c:436
struct osmo_stat_item_group * statg
Definition: gprs_ns.h:138
int gprs_ns_vty_init(struct gprs_ns_inst *nsi)
Definition: gprs_ns_vty.c:600
Definition: gprs_ns.h:212
Failed to process message.
Definition: gprs_ns.h:68
struct gprs_nsvc * gprs_nsvc_by_nsvci(struct gprs_ns_inst *nsi, uint16_t nsvci)
Lookup struct gprs_nsvc based on NSVCI.
Definition: gprs_ns.c:207
Definition: gprs_ns.h:112
struct gprs_ns_inst::@3 frgre
NS-over-FR-over-GRE-over-IP specific bits.