11 #define LOGNSE(nse, lvl, fmt, args ...) \
12 LOGP(DLNS, lvl, "NSE(%05u) " fmt, (nse)->nsei, ## args)
14 #define LOGBIND(bind, lvl, fmt, args ...) \
15 LOGP(DLNS, lvl, "BIND(%s) " fmt, (bind)->name, ## args)
18 #define LOGNSVC(nsvc, lvl, fmt, args ...) \
20 if ((nsvc)->nsvci_is_valid) { \
21 LOGP(DLNS, lvl, "NSE(%05u)-NSVC(%05u) " fmt, \
22 (nsvc)->nse->nsei, (nsvc)->nsvci, ## args); \
24 LOGP(DLNS, lvl, "NSE(%05u)-NSVC(none) " fmt, \
25 (nsvc)->nse->nsei, ## args); \
36 #define NS_TIMERS_COUNT 10
37 #define NS_TIMERS "(tns-block|tns-block-retries|tns-reset|tns-reset-retries|tns-test|tns-alive|tns-alive-retries|tsns-prov|tsns-size-retries|tsns-config-retries)"
38 #define NS_TIMERS_HELP \
39 "(un)blocking Timer (Tns-block) timeout\n" \
40 "(un)blocking Timer (Tns-block) number of retries\n" \
41 "Reset Timer (Tns-reset) timeout\n" \
42 "Reset Timer (Tns-reset) number of retries\n" \
43 "Test Timer (Tns-test) timeout\n" \
44 "Alive Timer (Tns-alive) timeout\n" \
45 "Alive Timer (Tns-alive) number of retries\n" \
46 "SNS Provision Timer (Tsns-prov) timeout\n" \
47 "SNS Size number of retries\n" \
48 "SNS Config number of retries\n" \
51 #define NS_ALLOC_SIZE 3072
52 #define NS_ALLOC_HEADROOM 20
110 #define NSE_S_BLOCKED 0x0001
111 #define NSE_S_ALIVE 0x0002
112 #define NSE_S_RESET 0x0004
114 #define NS_DESC_B(st) ((st) & NSE_S_BLOCKED ? "BLOCKED" : "UNBLOCKED")
115 #define NS_DESC_A(st) ((st) & NSE_S_ALIVE ? "ALIVE" : "DEAD")
116 #define NS_DESC_R(st) ((st) & NSE_S_RESET ? "RESET" : "UNRESET")
264 struct vty *
vty,
bool stats);
283 struct msgb **reject,
319 unsigned int num_ip4_elems,
321 unsigned int num_ip6_elems);
324 unsigned int num_ip4_elems,
326 unsigned int num_ip6_elems);
329 int ip4_ep_nr,
int ip6_ep_nr);
346 uint16_t
bvci, uint8_t sducontrol,
350 uint16_t
bvci,
struct msgb *orig_msg);
371 const char *
id,
bool initiate);
uint16_t bvci
Definition: gprs_msgb.h:8
gprs_ns2_vc_mode
Definition: gprs_ns2.h:25
gprs_ns2_affecting_cause
Osmocom NS primitives according to 48.016 5.2.2.6 Service primitives.
Definition: gprs_ns2.h:78
gprs_ns2_ll
Osmocom NS link layer types.
Definition: gprs_ns2.h:44
gprs_ns2_dialect
Definition: gprs_ns2.h:35
int ns2_tx_sns_config(struct gprs_ns2_vc *nsvc, bool end_flag, const struct gprs_ns_ie_ip4_elem *ip4_elems, unsigned int num_ip4_elems, const struct gprs_ns_ie_ip6_elem *ip6_elems, unsigned int num_ip6_elems)
Encode + Transmit a SNS-CONFIG as per Section 9.3.4.
Definition: gprs_ns2_message.c:550
struct osmo_fsm_inst * ns2_sns_bss_fsm_alloc(struct gprs_ns2_nse *nse, const char *id)
Allocate an IP-SNS FSM for the BSS side.
Definition: gprs_ns2_sns.c:1527
int ns2_tx_block(struct gprs_ns2_vc *nsvc, uint8_t cause)
Transmit a NS-BLOCK on a given NS-VC.
Definition: gprs_ns2_message.c:211
int ns2_vc_rx(struct gprs_ns2_vc *nsvc, struct msgb *msg, struct tlv_parsed *tp)
entry point for messages from the driver/VL
Definition: gprs_ns2_vc_fsm.c:764
int ns2_tx_reset(struct gprs_ns2_vc *nsvc, uint8_t cause)
Transmit a NS-RESET on a given NS-VC.
Definition: gprs_ns2_message.c:273
@ NSVC_TIMER_TNS_RESET
Definition: gprs_ns2_internal.h:71
@ NSVC_TIMER_TNS_ALIVE
Definition: gprs_ns2_internal.h:70
@ NSVC_TIMER_TNS_TEST
Definition: gprs_ns2_internal.h:69
@ _NSVC_TIMER_NR
Definition: gprs_ns2_internal.h:72
ns2_bind_stat
Definition: gprs_ns2_internal.h:79
@ NS2_BIND_STAT_BACKLOG_LEN
Definition: gprs_ns2_internal.h:80
int ns2_tx_sns_config_ack(struct gprs_ns2_vc *nsvc, uint8_t *cause)
Encode + Transmit a SNS-CONFIG-ACK as per Section 9.3.5.
Definition: gprs_ns2_message.c:603
int ns2_tx_alive(struct gprs_ns2_vc *nsvc)
Transmit a NS-ALIVE on a given NS-VC.
Definition: gprs_ns2_message.c:371
int ns2_tx_unblock_ack(struct gprs_ns2_vc *nsvc)
Transmit a NS-UNBLOCK-ACK on a given NS-VC.
Definition: gprs_ns2_message.c:356
int ns2_tx_alive_ack(struct gprs_ns2_vc *nsvc)
Transmit a NS-ALIVE-ACK on a given NS-VC.
Definition: gprs_ns2_message.c:383
int ns2_vc_is_alive(struct gprs_ns2_vc *nsvc)
int ns2_tx_sns_size(struct gprs_ns2_vc *nsvc, bool reset_flag, uint16_t max_nr_nsvc, int ip4_ep_nr, int ip6_ep_nr)
Encode + transmit a SNS-SIZE as per Section 9.3.7.
Definition: gprs_ns2_message.c:646
struct osmo_fsm_inst * ns2_vc_fsm_alloc(struct gprs_ns2_vc *nsvc, const char *id, bool initiate)
gprs_ns2_vc_fsm_alloc
Definition: gprs_ns2_vc_fsm.c:704
void ns2_nse_notify_alive(struct gprs_ns2_vc *nsvc, bool alive)
int ns2_tx_sns_size_ack(struct gprs_ns2_vc *nsvc, uint8_t *cause)
Encode + Transmit a SNS-SIZE-ACK as per Section 9.3.8.
Definition: gprs_ns2_message.c:691
int ns2_tx_sns_ack(struct gprs_ns2_vc *nsvc, uint8_t trans_id, uint8_t *cause, const struct gprs_ns_ie_ip4_elem *ip4_elems, unsigned int num_ip4_elems, const struct gprs_ns_ie_ip6_elem *ip6_elems, unsigned int num_ip6_elems)
Encode + Transmit a SNS-ACK as per Section 9.3.1.
Definition: gprs_ns2_message.c:492
int ns2_sns_rx(struct gprs_ns2_vc *nsvc, struct msgb *msg, struct tlv_parsed *tp)
main entry point for receiving SNS messages from the network.
Definition: gprs_ns2_sns.c:1557
#define NS_TIMERS_COUNT
Definition: gprs_ns2_internal.h:36
int ns2_vc_unblock(struct gprs_ns2_vc *nsvc)
Unblock a NS-VC.
Definition: gprs_ns2_vc_fsm.c:754
int ns2_validate(struct gprs_ns2_vc *nsvc, uint8_t pdu_type, struct msgb *msg, struct tlv_parsed *tp, uint8_t *cause)
Definition: gprs_ns2_message.c:135
ns2_timeout
Definition: gprs_ns2_internal.h:54
@ NS_TOUT_TSNS_PROV
Definition: gprs_ns2_internal.h:62
@ NS_TOUT_TNS_BLOCK
Definition: gprs_ns2_internal.h:55
@ NS_TOUT_TNS_RESET
Definition: gprs_ns2_internal.h:57
@ NS_TOUT_TSNS_CONFIG_RETRIES
Definition: gprs_ns2_internal.h:64
@ NS_TOUT_TSNS_SIZE_RETRIES
Definition: gprs_ns2_internal.h:63
@ NS_TOUT_TNS_BLOCK_RETRIES
Definition: gprs_ns2_internal.h:56
@ NS_TOUT_TNS_TEST
Definition: gprs_ns2_internal.h:59
@ NS_TOUT_TNS_ALIVE_RETRIES
Definition: gprs_ns2_internal.h:61
@ NS_TOUT_TNS_RESET_RETRIES
Definition: gprs_ns2_internal.h:58
@ NS_TOUT_TNS_ALIVE
Definition: gprs_ns2_internal.h:60
void ns2_sns_notify_alive(struct gprs_ns2_nse *nse, struct gprs_ns2_vc *nsvc, bool alive)
Definition: gprs_ns2_sns.c:1827
int ns2_tx_unblock(struct gprs_ns2_vc *nsvc)
Transmit a NS-UNBLOCK on a given NS-VC.
Definition: gprs_ns2_message.c:340
int ns2_tx_reset_ack(struct gprs_ns2_vc *nsvc)
Transmit a NS-RESET-ACK on a given NS-VC.
Definition: gprs_ns2_message.c:305
void ns2_sns_update_weights(struct gprs_ns2_vc_bind *bind)
Definition: gprs_ns2_sns.c:1933
int ns2_ip_count_bind(struct gprs_ns2_inst *nsi, struct osmo_sockaddr *remote)
Count UDP binds compatible with remote.
Definition: gprs_ns2_udp.c:533
int ns2_tx_block_ack(struct gprs_ns2_vc *nsvc)
Transmit a NS-BLOCK-ACK on a given NS-VC.
Definition: gprs_ns2_message.c:243
struct gprs_ns2_vc_bind * ns2_ip_get_bind_by_index(struct gprs_ns2_inst *nsi, struct osmo_sockaddr *remote, int index)
Definition: gprs_ns2_udp.c:555
struct gprs_ns2_vc * ns2_ip_bind_connect(struct gprs_ns2_vc_bind *bind, struct gprs_ns2_nse *nse, const struct osmo_sockaddr *remote)
Create new NS-VC to a given remote address.
Definition: gprs_ns2_udp.c:386
int ns2_vc_force_unconfigured(struct gprs_ns2_vc *nsvc)
Reset a NS-VC FSM.
Definition: gprs_ns2_vc_fsm.c:738
int ns2_vc_block(struct gprs_ns2_vc *nsvc)
Block a NS-VC.
Definition: gprs_ns2_vc_fsm.c:746
void ns2_sns_replace_nsvc(struct gprs_ns2_vc *nsvc)
called when a nsvc is beeing freed or the nsvc became dead
Definition: gprs_ns2_sns.c:246
void ns2_sns_dump_vty(struct vty *vty, const char *prefix, const struct gprs_ns2_nse *nse, bool stats)
Dump the IP-SNS state to a vty.
Definition: gprs_ns2_sns.c:1639
ns2_cs
Osmocom NS2 VC create status.
Definition: gprs_ns2_internal.h:84
@ NS2_CS_FOUND
A NSVC object has been found.
Definition: gprs_ns2_internal.h:86
@ NS2_CS_CREATED
A NSVC object has been created.
Definition: gprs_ns2_internal.h:85
@ NS2_CS_SKIPPED
Skipped message.
Definition: gprs_ns2_internal.h:88
@ NS2_CS_ERROR
Failed to process message.
Definition: gprs_ns2_internal.h:89
@ NS2_CS_REJECTED
Rejected and answered message.
Definition: gprs_ns2_internal.h:87
ns2_vc_stat
Definition: gprs_ns2_internal.h:75
@ NS_STAT_ALIVE_DELAY
Definition: gprs_ns2_internal.h:76
int ns2_vc_fsm_start(struct gprs_ns2_vc *nsvc)
Start a NS-VC FSM.
Definition: gprs_ns2_vc_fsm.c:727
void ns2_sns_write_vty(struct vty *vty, const struct gprs_ns2_nse *nse)
write IP-SNS to a vty
Definition: gprs_ns2_sns.c:1677
int ns2_tx_unit_data(struct gprs_ns2_vc *nsvc, uint16_t bvci, uint8_t sducontrol, struct msgb *msg)
Transmit NS-UNITDATA on a given NS-VC.
Definition: gprs_ns2_message.c:398
int ns2_vc_is_unblocked(struct gprs_ns2_vc *nsvc)
is the given NS-VC unblocked?
Definition: gprs_ns2_vc_fsm.c:851
int ns2_tx_status(struct gprs_ns2_vc *nsvc, uint8_t cause, uint16_t bvci, struct msgb *orig_msg)
Transmit a NS-STATUS on a given NS-VC.
Definition: gprs_ns2_message.c:429
nsvc_timer_mode
Definition: gprs_ns.h:113
uint8_t pdu_type
NS PDU type.
Definition: gsm_08_16.h:0
void ns2_nse_update_mtu(struct gprs_ns2_nse *nse)
Definition: gprs_ns2.c:1409
enum gprs_ns2_vc_mode ns2_dialect_to_vc_mode(enum gprs_ns2_dialect dialect)
Definition: gprs_ns2.c:1378
ns_ctr
Definition: gprs_ns.c:128
@ NS_CTR_LOST_RESET
Definition: gprs_ns2_internal.h:107
@ NS_CTR_PKTS_OUT_DROP
Definition: gprs_ns2_internal.h:95
@ NS_CTR_PKTS_OUT
Definition: gprs_ns2_internal.h:94
@ NS_CTR_BYTES_OUT
Definition: gprs_ns2_internal.h:97
@ NS_CTR_BYTES_IN
Definition: gprs_ns2_internal.h:96
@ NS_CTR_INV_NSEI
Definition: gprs_ns2_internal.h:105
@ NS_CTR_LOST_ALIVE
Definition: gprs_ns2_internal.h:106
@ NS_CTR_PKTS_IN
Definition: gprs_ns2_internal.h:93
@ NS_CTR_UNBLOCKED
Definition: gprs_ns2_internal.h:100
@ NS_CTR_INV_VCI
Definition: gprs_ns2_internal.h:104
@ NS_CTR_DEAD
Definition: gprs_ns2_internal.h:101
@ NS_CTR_REPLACED
Definition: gprs_ns2_internal.h:102
@ NS_CTR_BLOCKED
Definition: gprs_ns2_internal.h:99
@ NS_CTR_NSEI_CHG
Definition: gprs_ns2_internal.h:103
@ NS_CTR_BYTES_OUT_DROP
Definition: gprs_ns2_internal.h:98
int ns2_recv_vc(struct gprs_ns2_vc *nsvc, struct msgb *msg)
Bottom-side entry-point for received NS PDU from the driver/bind.
Definition: gprs_ns2.c:1140
enum ns2_cs ns2_create_vc(struct gprs_ns2_vc_bind *bind, struct msgb *msg, const char *logname, struct msgb **reject, struct gprs_ns2_vc **success)
Create a new NS-VC based on a [received] message.
Definition: gprs_ns2.c:875
int ns2_count_transfer_cap(struct gprs_ns2_nse *nse, uint16_t bvci)
calculate the transfer capabilities for a nse
Definition: gprs_ns2.c:1439
void ns2_nse_notify_unblocked(struct gprs_ns2_vc *nsvc, bool unblocked)
Notify a nse about the change of a NS-VC.
Definition: gprs_ns2.c:1239
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.
Definition: gprs_ns2.c:541
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.
Definition: gprs_ns2.c:1482
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.
Definition: gprs_ns2.c:580
struct msgb * ns2_msgb_alloc(void)
Allocate a message buffer for use with the NS2 stack.
Definition: gprs_ns2.c:670
int(* osmo_prim_cb)(struct osmo_prim_hdr *oph, void *ctx)
GPRS Networks Service (NS) messages on the Gb interface.
An instance of the NS protocol stack.
Definition: gprs_ns2_internal.h:119
struct llist_head nse
linked lists of all NSVC in this instance
Definition: gprs_ns2_internal.h:130
uint32_t nsvc_rate_ctr_idx
workaround for rate counter until rate counter accepts char str as index
Definition: gprs_ns2_internal.h:135
struct llist_head binding
linked lists of all NSVC binds (e.g.
Definition: gprs_ns2_internal.h:127
void * cb_data
callback data
Definition: gprs_ns2_internal.h:124
struct osmo_mnl * linkmon_mnl
libmnl netlink socket for link state monitoring
Definition: gprs_ns2_internal.h:139
osmo_prim_cb cb
callback to the user for incoming UNIT DATA IND
Definition: gprs_ns2_internal.h:121
uint16_t timeout[NS_TIMERS_COUNT]
Definition: gprs_ns2_internal.h:132
uint32_t bind_rate_ctr_idx
Definition: gprs_ns2_internal.h:136
Structure repesenting a NSE.
Definition: gprs_ns2_internal.h:144
enum gprs_ns2_dialect dialect
which dialect does this NSE speaks?
Definition: gprs_ns2_internal.h:173
uint32_t sum_sig_weight
sum of all the signalling weight of alive NS-VCs
Definition: gprs_ns2_internal.h:181
struct gprs_ns2_inst * nsi
entry back to ns2_inst
Definition: gprs_ns2_internal.h:148
enum gprs_ns2_ll ll
which link-layer are we based on?
Definition: gprs_ns2_internal.h:170
struct llist_head nsvc
llist head to hold all nsvc
Definition: gprs_ns2_internal.h:154
uint32_t sum_data_weight
sum of all the data weight of alive NS-VCs
Definition: gprs_ns2_internal.h:178
bool persistent
true if this NSE was created by VTY or pcu socket)
Definition: gprs_ns2_internal.h:160
struct llist_head list
llist entry for gprs_ns2_inst
Definition: gprs_ns2_internal.h:151
bool first
true if this NSE wasn't yet alive at all.
Definition: gprs_ns2_internal.h:164
struct osmo_fsm_inst * bss_sns_fi
Definition: gprs_ns2_internal.h:175
uint16_t mtu
MTU of a NS PDU.
Definition: gprs_ns2_internal.h:184
uint16_t nsei
Definition: gprs_ns2_internal.h:145
int nsvc_count
count all active NSVCs
Definition: gprs_ns2_internal.h:157
bool alive
true if this NSE has at least one alive VC
Definition: gprs_ns2_internal.h:167
Structure repesenting a bind instance.
Definition: gprs_ns2_internal.h:231
uint8_t sns_data_weight
the IP-SNS data weight when doing dynamic configuration
Definition: gprs_ns2_internal.h:269
bool accept_sns
Definition: gprs_ns2_internal.h:245
void(* dump_vty)(const struct gprs_ns2_vc_bind *bind, struct vty *vty, bool stats)
allow to show information for the vty
Definition: gprs_ns2_internal.h:263
const char * name
unique name
Definition: gprs_ns2_internal.h:233
void(* free_vc)(struct gprs_ns2_vc *nsvc)
free the vc priv data
Definition: gprs_ns2_internal.h:260
bool accept_ipaccess
Definition: gprs_ns2_internal.h:244
int transfer_capability
transfer capability in mbit
Definition: gprs_ns2_internal.h:248
uint16_t mtu
MTU of a NS PDU on this bind.
Definition: gprs_ns2_internal.h:251
int(* send_vc)(struct gprs_ns2_vc *nsvc, struct msgb *msg)
send a msg over a VC
Definition: gprs_ns2_internal.h:257
struct llist_head nsvc
list of all VC
Definition: gprs_ns2_internal.h:237
uint8_t sns_sig_weight
the IP-SNS signalling weight when doing dynamic configuration
Definition: gprs_ns2_internal.h:267
void * priv
driver private structure
Definition: gprs_ns2_internal.h:239
struct osmo_stat_item_group * statg
Definition: gprs_ns2_internal.h:271
struct llist_head list
list entry in nsi
Definition: gprs_ns2_internal.h:235
struct gprs_ns2_inst * nsi
a pointer back to the nsi
Definition: gprs_ns2_internal.h:241
struct gprs_ns2_vc_driver * driver
Definition: gprs_ns2_internal.h:242
enum gprs_ns2_ll ll
which link-layer are we based on?
Definition: gprs_ns2_internal.h:254
Definition: gprs_ns2_internal.h:274
void * priv
Definition: gprs_ns2_internal.h:276
void(* free_bind)(struct gprs_ns2_vc_bind *driver)
Definition: gprs_ns2_internal.h:277
const char * name
Definition: gprs_ns2_internal.h:275
Structure representing a single NS-VC.
Definition: gprs_ns2_internal.h:188
struct osmo_fsm_inst * fi
Definition: gprs_ns2_internal.h:227
bool sns_only
Definition: gprs_ns2_internal.h:220
bool persistent
true if this NS was created by VTY or pcu socket)
Definition: gprs_ns2_internal.h:202
bool nsvci_is_valid
Definition: gprs_ns2_internal.h:219
struct gprs_ns2_vc_bind * bind
pointer to NS VL bind.
Definition: gprs_ns2_internal.h:199
struct llist_head blist
list of NS-VCs within bind, bind is the owner!
Definition: gprs_ns2_internal.h:193
uint8_t sig_counter
signalling packet counter for the load sharing function
Definition: gprs_ns2_internal.h:211
uint8_t sig_weight
signalling weight.
Definition: gprs_ns2_internal.h:208
struct gprs_ns2_nse * nse
pointer to NS Instance
Definition: gprs_ns2_internal.h:196
enum gprs_ns2_vc_mode mode
Definition: gprs_ns2_internal.h:225
struct llist_head list
list of NS-VCs within NSE
Definition: gprs_ns2_internal.h:190
uint8_t data_weight
data weight.
Definition: gprs_ns2_internal.h:214
uint16_t nsvci
uniquely identifies NS-VC if VC contains nsvci
Definition: gprs_ns2_internal.h:205
void * priv
can be used by the bind/driver of the virtual circuit.
Definition: gprs_ns2_internal.h:217
struct rate_ctr_group * ctrg
Definition: gprs_ns2_internal.h:222
struct osmo_stat_item_group * statg
Definition: gprs_ns2_internal.h:223
Section 10.3.2c List of IP4 Elements.
Definition: gsm_08_16.h:24
Section 10.3.2d List of IP6 Elements.
Definition: gsm_08_16.h:32