libosmogb
1.5.1
Osmocom Gb library
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8 #include <netinet/in.h>
17 #define NS_TIMERS_COUNT 8
18 #define NS_TIMERS "(tns-block|tns-block-retries|tns-reset|tns-reset-retries|tns-test|tns-alive|tns-alive-retries|tsns-prov)"
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" \
27 "SNS Provision Timer (Tsns-prov) timeout\n"
30 #define NS_ALLOC_SIZE 3072
31 #define NS_ALLOC_HEADROOM 20
44 #define NSE_S_BLOCKED 0x0001
45 #define NSE_S_ALIVE 0x0002
46 #define NSE_S_RESET 0x0004
48 #define NS_DESC_B(st) ((st) & NSE_S_BLOCKED ? "BLOCKED" : "UNBLOCKED")
49 #define NS_DESC_A(st) ((st) & NSE_S_ALIVE ? "ALIVE" : "DEAD")
50 #define NS_DESC_R(st) ((st) & NSE_S_RESET ? "RESET" : "UNRESET")
179 struct sockaddr_in *dest,
193 struct sockaddr_in *saddr,
enum gprs_ns_ll ll);
char * gprs_ns_ll_str_c(const void *ctx, const struct gprs_nsvc *nsvc)
Definition: gprs_ns.c:1554
uint8_t data_weight
Definition: gsm_08_16.h:5
uint8_t sig_weight
Definition: gsm_08_16.h:4
int gprs_ns_tx_unblock(struct gprs_nsvc *nsvc)
Transmit a NS-UNBLOCK on a given NS-VC.
Definition: gprs_ns.c:692
@ GPRS_NS_CS_CREATED
A NSVC object has been created.
Definition: gprs_ns.h:66
@ NSVC_TIMER_TNS_RESET
Definition: gprs_ns.h:117
struct osmo_fsm_inst * bss_sns_fi
Definition: gprs_ns.h:110
struct msgb * gprs_ns_msgb_alloc(void)
Definition: gprs_ns.c:206
uint16_t remote_port
Definition: gprs_ns.h:98
struct llist_head list
list of NS-VCs within NS Instance
Definition: gprs_ns.h:124
unsigned int persistent
Definition: gprs_ns.h:140
int gprs_ns_tx_alive_ack(struct gprs_nsvc *nsvc)
Transmit a NS-ALIVE-ACK on a given NS-VC.
Definition: gprs_ns.c:721
@ S_NS_REPLACED
Definition: gprs_ns.h:237
struct gprs_ns_inst * nsi
pointer to NS Instance
Definition: gprs_ns.h:126
@ NS_TOUT_TNS_ALIVE
Definition: gprs_ns.h:39
struct osmo_timer_list timer
Definition: gprs_ns.h:134
void gprs_ns_destroy(struct gprs_ns_inst *nsi)
Destroy an entire NS instance.
Definition: gprs_ns.c:1948
@ GPRS_NS_CS_SKIPPED
Skipped message.
Definition: gprs_ns.h:69
unsigned int nsvci_is_valid
Definition: gprs_ns.h:141
int gprs_ns_tx_block(struct gprs_nsvc *nsvc, uint8_t cause)
Transmit a NS-BLOCK on a given NS-VC.
Definition: gprs_ns.c:627
struct gprs_ns_inst::@15 frgre
NS-over-FR-over-GRE-over-IP specific bits.
struct gprs_nsvc * gprs_ns_nsip_connect_sns(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 using SNS auto-configuration.
Definition: gprs_ns.c:2175
bool use_reset_block_unblock
IPA compatibility: NS-RESET/BLOCK/UNBLOCK even on IP-SNS.
Definition: gprs_ns.h:101
struct gprs_ns_inst * gprs_ns_instantiate(gprs_ns_cb_t *cb, void *ctx)
Create a new GPRS NS instance.
Definition: gprs_ns.c:1884
enum gprs_ns_ll ll
which link-layer are we based on?
Definition: gprs_ns.h:147
void gprs_nsvc_delete(struct gprs_nsvc *nsvc)
Delete given NS-VC.
Definition: gprs_ns.c:353
struct gprs_ns_inst::@14 nsip
NS-over-IP specific bits.
@ GPRS_NS_EVT_UNIT_DATA
Definition: gprs_ns.h:61
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:75
@ NS_TOUT_TNS_RESET
Definition: gprs_ns.h:36
nsvc_timer_mode
Definition: gprs_ns.h:113
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:1081
struct gprs_nsvc::@16::@19 frgre
@ NS_TOUT_TNS_ALIVE_RETRIES
Definition: gprs_ns.h:40
uint16_t local_port
Definition: gprs_ns.h:96
struct rate_ctr_group * ctrg
Definition: gprs_ns.h:143
An instance of the NS protocol stack.
Definition: gprs_ns.h:79
const char * gprs_ns_ll_str(const struct gprs_nsvc *nsvc)
Definition: gprs_ns.c:1548
uint32_t remote_ip
Definition: gprs_ns.h:97
@ S_NS_RESET
Definition: gprs_ns.h:233
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:254
#define NS_TIMERS_COUNT
Definition: gprs_ns.h:17
int gprs_nsvc_reset(struct gprs_nsvc *nsvc, uint8_t cause)
Initiate a RESET procedure.
Definition: gprs_ns.c:2110
@ GPRS_NS_CS_ERROR
Failed to process message.
Definition: gprs_ns.h:70
gprs_ns_ll
Osmocom NS link layer types.
Definition: gprs_ns.h:53
void gprs_ns_set_log_ss(int ss)
Definition: gprs_ns.c:2208
const struct value_string gprs_ns_signal_ns_names[]
Definition: gprs_ns.c:182
@ GPRS_NS_LL_E1
NS/E1.
Definition: gprs_ns.h:55
uint16_t nsei
Identifiers of a BTS, equal to 'struct bssgp_bts_ctx'.
Definition: gprs_msgb.h:9
uint16_t nsvci
end-to-end significance
Definition: gprs_ns.h:129
@ NS_TOUT_TNS_BLOCK_RETRIES
Definition: gprs_ns.h:35
gprs_ns_cs
Osmocom NS VC create status.
Definition: gprs_ns.h:65
ns_timeout
Definition: gprs_ns.h:33
uint8_t pdu_type
Definition: gprs_ns.h:249
uint8_t data_weight
signaling weight.
Definition: gprs_ns.h:162
@ S_NS_ALIVE_EXP
Definition: gprs_ns.h:236
char * gprs_nsvc_state_append(char *s, struct gprs_nsvc *nsvc)
Append the nsvc state to a talloc string.
Definition: gprs_ns.c:2221
int dscp
Definition: gprs_ns.h:99
@ S_NS_BLOCK
Definition: gprs_ns.h:234
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:2144
@ NS_TOUT_TSNS_PROV
Definition: gprs_ns.h:41
Structure representing a single NS-VC.
Definition: gprs_ns.h:122
int alive_retries
Definition: gprs_ns.h:137
@ GPRS_NS_CS_FOUND
A NSVC object has been found.
Definition: gprs_ns.h:67
struct gprs_nsvc * old_nsvc
Definition: gprs_ns.h:247
struct msgb * msg
Definition: gprs_ns.h:251
int gprs_ns_nsip_listen(struct gprs_ns_inst *nsi)
Create a listening socket for GPRS NS/UDP/IP.
Definition: gprs_ns.c:2050
void gprs_ns_ll_copy(struct gprs_nsvc *nsvc, struct gprs_nsvc *other)
Definition: gprs_ns.c:1562
struct gprs_nsvc * gprs_nsvc_by_rem_addr(struct gprs_ns_inst *nsi, const struct sockaddr_in *sin)
Lookup NS-VC based on specified remote peer socket addr.
Definition: gprs_ns.c:291
gprs_ns_cb_t * cb
callback to the user for incoming UNIT DATA IND
Definition: gprs_ns.h:81
@ NS_TOUT_TNS_TEST
Definition: gprs_ns.h:38
@ S_NS_MISMATCH
Definition: gprs_ns.h:238
int gprs_ns_tx_alive(struct gprs_nsvc *nsvc)
Transmit a NS-ALIVE on a given NS-VC.
Definition: gprs_ns.c:708
@ NSVC_TIMER_TNS_TEST
Definition: gprs_ns.h:115
struct llist_head gprs_nsvcs
linked lists of all NSVC in this instance
Definition: gprs_ns.h:84
@ S_NS_UNBLOCK
Definition: gprs_ns.h:235
void gprs_ns_ll_clear(struct gprs_nsvc *nsvc)
Definition: gprs_ns.c:1578
@ GPRS_NS_CS_REJECTED
Rejected and answered message.
Definition: gprs_ns.h:68
struct gprs_nsvc * gprs_nsvc_create2(struct gprs_ns_inst *nsi, uint16_t nsvci, uint8_t sig_weight, uint8_t data_weight)
Create a new NS-VC (Virtual Circuit) within given instance.
Definition: gprs_ns.c:311
@ _NSVC_TIMER_NR
Definition: gprs_ns.h:118
uint16_t bvci
Definition: gprs_msgb.h:10
@ NS_TOUT_TNS_BLOCK
Definition: gprs_ns.h:34
int gprs_ns_rcvmsg(struct gprs_ns_inst *nsi, struct msgb *msg, struct sockaddr_in *saddr, enum gprs_ns_ll ll)
Receive incoming NS message from underlying transport layer.
Definition: gprs_ns.c:1496
struct sockaddr_in bts_addr
Definition: gprs_ns.h:153
char * gprs_ns_ll_str_buf(char *buf, size_t buf_len, const struct gprs_nsvc *nsvc)
Definition: gprs_ns.c:1527
struct gprs_nsvc * nsvc
Definition: gprs_ns.h:246
struct gprs_nsvc::@16::@18 ip
uint16_t timeout[NS_TIMERS_COUNT]
Definition: gprs_ns.h:90
int gprs_ns_vty_init(struct gprs_ns_inst *nsi)
Definition: gprs_ns_vty.c:635
ns_cause
NS Cause (TS 08.16, Section 10.3.2, Table 13)
Definition: gsm_08_16.h:83
const char * gprs_ns_cause_str(enum ns_cause cause)
Obtain a human-readable string for NS cause value.
Definition: gprs_ns.c:446
@ NSVC_TIMER_TNS_ALIVE
Definition: gprs_ns.h:116
@ NS_TOUT_TNS_RESET_RETRIES
Definition: gprs_ns.h:37
uint32_t remote_state
Definition: gprs_ns.h:132
int gprs_ns_frgre_listen(struct gprs_ns_inst *nsi)
Definition: gprs_ns_frgre.c:326
struct osmo_stat_item_group * statg
Definition: gprs_ns.h:144
@ GPRS_NS_LL_UDP
NS/UDP/IP.
Definition: gprs_ns.h:54
unsigned int remote_end_is_sgsn
Definition: gprs_ns.h:139
Definition: gprs_ns.h:245
struct timeval timer_started
Definition: gprs_ns.h:136
struct gprs_nsvc * unknown_nsvc
a NSVC object that's needed to deal with packets for unknown NSVC
Definition: gprs_ns.h:88
signal_ns
Definition: gprs_ns.h:232
uint32_t state
uniquely identifies NS-VC at SGSN
Definition: gprs_ns.h:131
uint32_t local_ip
Definition: gprs_ns.h:95
uint8_t sig_weight
signalling weight.
Definition: gprs_ns.h:160
int gprs_ns_tx_reset(struct gprs_nsvc *nsvc, uint8_t cause)
Transmit a NS-RESET on a given NSVC.
Definition: gprs_ns.c:538
enum nsvc_timer_mode timer_mode
Definition: gprs_ns.h:135
unsigned int enabled
Definition: gprs_ns.h:107
uint16_t nsei
Definition: gprs_ns.h:128
gprs_ns_evt
Osmoco NS events.
Definition: gprs_ns.h:60
@ GPRS_NS_LL_FR_GRE
NS/FR/GRE/IP.
Definition: gprs_ns.h:56
uint8_t cause
Definition: gprs_ns.h:248
@ S_SNS_CONFIGURED
Definition: gprs_ns.h:239
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:239
void gprs_ns_close(struct gprs_ns_inst *nsi)
Definition: gprs_ns.c:1924
struct osmo_fd fd
Definition: gprs_ns.h:94
uint8_t ie_type
Definition: gprs_ns.h:250