libosmogb
1.4.0.160-7619
Osmocom Gb library
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#include <stdbool.h>
#include <stdint.h>
#include <osmocom/gprs/protocol/gsm_08_16.h>
#include <osmocom/gprs/gprs_ns2.h>
Go to the source code of this file.
Data Structures | |
struct | gprs_ns2_inst |
An instance of the NS protocol stack. More... | |
struct | gprs_ns2_nse |
Structure repesenting a NSE. More... | |
struct | gprs_ns2_vc |
Structure representing a single NS-VC. More... | |
struct | gprs_ns2_vc_bind |
Structure repesenting a bind instance. More... | |
struct | gprs_ns2_vc_driver |
Macros | |
#define | NS_TIMERS_COUNT 8 |
#define | NS_TIMERS "(tns-block|tns-block-retries|tns-reset|tns-reset-retries|tns-test|tns-alive|tns-alive-retries|tsns-prov)" |
#define | NS_TIMERS_HELP |
#define | NS_ALLOC_SIZE 3072 |
#define | NS_ALLOC_HEADROOM 20 |
#define | NSE_S_BLOCKED 0x0001 |
#define | NSE_S_ALIVE 0x0002 |
#define | NSE_S_RESET 0x0004 |
#define | NS_DESC_B(st) ((st) & NSE_S_BLOCKED ? "BLOCKED" : "UNBLOCKED") |
#define | NS_DESC_A(st) ((st) & NSE_S_ALIVE ? "ALIVE" : "DEAD") |
#define | NS_DESC_R(st) ((st) & NSE_S_RESET ? "RESET" : "UNRESET") |
Enumerations | |
enum | ns2_timeout { NS_TOUT_TNS_BLOCK, NS_TOUT_TNS_BLOCK_RETRIES, NS_TOUT_TNS_RESET, NS_TOUT_TNS_RESET_RETRIES, NS_TOUT_TNS_TEST, NS_TOUT_TNS_ALIVE, NS_TOUT_TNS_ALIVE_RETRIES, NS_TOUT_TSNS_PROV } |
enum | nsvc_timer_mode { NSVC_TIMER_TNS_TEST, NSVC_TIMER_TNS_ALIVE, NSVC_TIMER_TNS_RESET, _NSVC_TIMER_NR, NSVC_TIMER_TNS_TEST, NSVC_TIMER_TNS_ALIVE, NSVC_TIMER_TNS_RESET, _NSVC_TIMER_NR } |
enum | ns_stat { NS_STAT_ALIVE_DELAY, NS_STAT_ALIVE_DELAY } |
enum | gprs_ns_ll { GPRS_NS_LL_UDP, GPRS_NS_LL_E1, GPRS_NS_LL_FR_GRE, GPRS_NS_LL_UDP, GPRS_NS_LL_E1, GPRS_NS_LL_FR_GRE } |
Osmocom NS link layer types. More... | |
enum | gprs_ns2_cs { GPRS_NS2_CS_CREATED, GPRS_NS2_CS_FOUND, GPRS_NS2_CS_REJECTED, GPRS_NS2_CS_SKIPPED, GPRS_NS2_CS_ERROR } |
Osmocom NS2 VC create status. More... | |
Functions | |
enum gprs_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. 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... | |
struct gprs_ns2_vc * | ns2_vc_alloc (struct gprs_ns2_vc_bind *bind, struct gprs_ns2_nse *nse, bool initiater) |
Allocate a NS-VC within the given bind + NSE. More... | |
struct msgb * | gprs_ns2_msgb_alloc (void) |
Allocate a message buffer for use with the NS2 stack. More... | |
void | gprs_ns2_sns_dump_vty (struct vty *vty, const struct gprs_ns2_nse *nse, bool stats) |
Dump the IP-SNS state to a vty. More... | |
void | ns2_prim_status_ind (struct gprs_ns2_nse *nse, uint16_t bvci, enum gprs_ns2_affecting_cause cause) |
Send a STATUS.ind primitive to the specified NS instance user. More... | |
void | ns2_nse_notify_alive (struct gprs_ns2_vc *nsvc, bool alive) |
int | gprs_ns2_validate (struct gprs_ns2_vc *nsvc, uint8_t pdu_type, struct msgb *msg, struct tlv_parsed *tp, uint8_t *cause) |
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. More... | |
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. More... | |
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. More... | |
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. More... | |
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. More... | |
int | ns2_tx_block (struct gprs_ns2_vc *nsvc, uint8_t cause) |
Transmit a NS-BLOCK on a given NS-VC. More... | |
int | ns2_tx_block_ack (struct gprs_ns2_vc *nsvc) |
Transmit a NS-BLOCK-ACK on a given NS-VC. More... | |
int | ns2_tx_reset (struct gprs_ns2_vc *nsvc, uint8_t cause) |
Transmit a NS-RESET on a given NS-VC. More... | |
int | ns2_tx_reset_ack (struct gprs_ns2_vc *nsvc) |
Transmit a NS-RESET-ACK on a given NS-VC. More... | |
int | ns2_tx_unblock (struct gprs_ns2_vc *nsvc) |
Transmit a NS-UNBLOCK on a given NS-VC. More... | |
int | ns2_tx_unblock_ack (struct gprs_ns2_vc *nsvc) |
Transmit a NS-UNBLOCK-ACK on a given NS-VC. More... | |
int | ns2_tx_alive (struct gprs_ns2_vc *nsvc) |
Transmit a NS-ALIVE on a given NS-VC. More... | |
int | ns2_tx_alive_ack (struct gprs_ns2_vc *nsvc) |
Transmit a NS-ALIVE-ACK on a given NS-VC. More... | |
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. More... | |
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. More... | |
struct gprs_ns2_vc * | gprs_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. More... | |
int | gprs_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. More... | |
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. More... | |
int | ns2_sns_bss_fsm_start (struct gprs_ns2_nse *nse, struct gprs_ns2_vc *nsvc, const struct osmo_sockaddr *remote) |
Start an IP-SNS FSM. More... | |
void | ns2_sns_free_nsvc (struct gprs_ns2_vc *nsvc) |
called when a nsvc is beeing freed More... | |
struct osmo_fsm_inst * | gprs_ns2_vc_fsm_alloc (struct gprs_ns2_vc *nsvc, const char *id, bool initiate) |
gprs_ns2_vc_fsm_alloc More... | |
int | gprs_ns2_vc_fsm_start (struct gprs_ns2_vc *nsvc) |
Start a NS-VC FSM. More... | |
int | gprs_ns2_vc_rx (struct gprs_ns2_vc *nsvc, struct msgb *msg, struct tlv_parsed *tp) |
entry point for messages from the driver/VL More... | |
int | gprs_ns2_vc_is_alive (struct gprs_ns2_vc *nsvc) |
int | gprs_ns2_vc_is_unblocked (struct gprs_ns2_vc *nsvc) |
is the given NS-VC unblocked? More... | |
void | ns2_vty_bind_apply (struct gprs_ns2_vc_bind *bind) |
ns2_vty_bind_apply will be called when a new bind is created to apply vty settings More... | |
void | ns2_nse_notify_unblocked (struct gprs_ns2_vc *nsvc, bool unblocked) |
Notify a nse about the change of a NS-VC. More... | |
#define NS_ALLOC_HEADROOM 20 |
#define NS_ALLOC_SIZE 3072 |
#define NS_DESC_A | ( | st | ) | ((st) & NSE_S_ALIVE ? "ALIVE" : "DEAD") |
#define NS_DESC_B | ( | st | ) | ((st) & NSE_S_BLOCKED ? "BLOCKED" : "UNBLOCKED") |
#define NS_DESC_R | ( | st | ) | ((st) & NSE_S_RESET ? "RESET" : "UNRESET") |
#define NS_TIMERS "(tns-block|tns-block-retries|tns-reset|tns-reset-retries|tns-test|tns-alive|tns-alive-retries|tsns-prov)" |
#define NS_TIMERS_COUNT 8 |
#define NS_TIMERS_HELP |
#define NSE_S_ALIVE 0x0002 |
#define NSE_S_BLOCKED 0x0001 |
#define NSE_S_RESET 0x0004 |
enum gprs_ns2_cs |
enum gprs_ns_ll |
enum ns2_timeout |
enum ns_stat |
enum nsvc_timer_mode |
struct gprs_ns2_vc* gprs_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.
[in] | bind | the bind we want to connect |
[in] | nse | NS entity to be used for the new NS-VC |
[in] | remote | remote address to connect to |
References gprs_ns2_free_nsvc(), GPRS_NS_LL_UDP, gprs_ns2_vc::ll, ns2_vc_alloc(), priv, gprs_ns2_vc::priv, and priv_vc::remote.
Referenced by gprs_ns2_ip_connect_inactive(), and gprs_ns2_ip_connect_sns().
void gprs_ns2_sns_dump_vty | ( | struct vty * | vty, |
const struct gprs_ns2_nse * | nse, | ||
bool | stats | ||
) |
Dump the IP-SNS state to a vty.
[in] | vty | VTY to which the state shall be printed |
[in] | nse | NS Entity whose IP-SNS state shall be printed |
[in] | stats | Whether or not statistics shall also be printed |
References gprs_ns2_nse::bss_sns_fi, ns2_sns_state::ip4_local, ns2_sns_state::ip4_remote, ns2_sns_state::ip6_local, ns2_sns_state::ip6_remote, ns2_sns_state::num_ip4_local, ns2_sns_state::num_ip4_remote, ns2_sns_state::num_ip6_local, ns2_sns_state::num_ip6_remote, ns2_sns_state::num_max_ip4_remote, ns2_sns_state::num_max_ip6_remote, ns2_sns_state::num_max_nsvcs, osmo_fsm_inst::priv, vty_dump_sns_ip4(), vty_dump_sns_ip6(), VTY_NEWLINE, vty_out(), and vty_out_fsm_inst().
Referenced by dump_nse().
int gprs_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.
[in] | nsvc | NS-VC on which the message was received |
[in] | msg | message buffer of the IP-SNS message |
[in] | tp | parsed TLV structure of message 0 on success; negative on error |
References gprs_ns2_nse::bss_sns_fi, gprs_ns_hdr::data, DLNS, get_value_string(), gprs_ns_pdu_strings, GPRS_SNS_EV_ADD, GPRS_SNS_EV_CHANGE_WEIGHT, GPRS_SNS_EV_CONFIG, GPRS_SNS_EV_CONFIG_ACK, GPRS_SNS_EV_CONFIG_END, GPRS_SNS_EV_DELETE, GPRS_SNS_EV_SIZE, GPRS_SNS_EV_SIZE_ACK, if(), msgb::l2h, LOGL_DEBUG, LOGL_ERROR, LOGL_NOTICE, LOGP, ns2_sns_state::nse, gprs_ns2_vc::nse, nsei, gprs_ns2_nse::nsei, osmo_fsm_inst_dispatch, gprs_ns_hdr::pdu_type, SNS_PDUT_ACK, SNS_PDUT_ADD, SNS_PDUT_CHANGE_WEIGHT, SNS_PDUT_CONFIG, SNS_PDUT_CONFIG_ACK, SNS_PDUT_DELETE, SNS_PDUT_SIZE, and SNS_PDUT_SIZE_ACK.
Referenced by ns2_recv_vc().
int gprs_ns2_validate | ( | struct gprs_ns2_vc * | nsvc, |
uint8_t | pdu_type, | ||
struct msgb * | msg, | ||
struct tlv_parsed * | tp, | ||
uint8_t * | cause | ||
) |
References gprs_ns2_validate_block(), gprs_ns2_validate_block_ack(), gprs_ns2_validate_reset(), gprs_ns2_validate_reset_ack(), gprs_ns2_validate_status(), msgb_l2len(), NS_CAUSE_PROTO_ERR_UNSPEC, NS_PDUT_ALIVE, NS_PDUT_ALIVE_ACK, NS_PDUT_BLOCK, NS_PDUT_BLOCK_ACK, NS_PDUT_RESET, NS_PDUT_RESET_ACK, NS_PDUT_STATUS, NS_PDUT_UNBLOCK, and NS_PDUT_UNBLOCK_ACK.
Referenced by gprs_ns2_vc_rx().
struct osmo_fsm_inst* gprs_ns2_vc_fsm_alloc | ( | struct gprs_ns2_vc * | nsvc, |
const char * | id, | ||
bool | initiater | ||
) |
gprs_ns2_vc_fsm_alloc
ctx | |
vc | |
id | a char representation of the virtual curcuit |
initiater | initiater is the site which starts the connection. Usually the BSS. |
References gprs_ns2_vc_priv::alive, alive_timeout_handler(), gprs_ns2_vc::fi, gprs_ns2_vc_priv::initiater, LOGL_DEBUG, gprs_ns2_vc_priv::nsvc, osmo_fsm_inst_alloc(), osmo_timer_setup(), osmo_fsm_inst::priv, priv, and gprs_ns2_vc_priv::timer.
Referenced by ns2_vc_alloc().
int gprs_ns2_vc_fsm_start | ( | struct gprs_ns2_vc * | nsvc | ) |
Start a NS-VC FSM.
nsvc | the virtual circuit |
References gprs_ns2_vc::fi, GPRS_NS2_EV_START, GPRS_NS2_ST_UNCONFIGURED, osmo_fsm_inst_dispatch, and osmo_fsm_inst::state.
Referenced by gprs_ns2_ip_connect(), gprs_ns2_start_alive_all_nsvcs(), handle_nsfrgre_read(), and handle_nsip_read().
int gprs_ns2_vc_is_alive | ( | struct gprs_ns2_vc * | nsvc | ) |
int gprs_ns2_vc_is_unblocked | ( | struct gprs_ns2_vc * | nsvc | ) |
is the given NS-VC unblocked?
References gprs_ns2_vc::fi, GPRS_NS2_ST_UNBLOCKED, and osmo_fsm_inst::state.
Referenced by gprs_ns2_recv_prim(), ns2_nse_notify_unblocked(), and ns2_sns_free_nsvc().
int gprs_ns2_vc_rx | ( | struct gprs_ns2_vc * | nsvc, |
struct msgb * | msg, | ||
struct tlv_parsed * | tp | ||
) |
entry point for messages from the driver/VL
nsvc | virtual circuit on which the message was received |
msg | message that was received |
tp | parsed TLVs of the received message |
References cause, DLNS, gprs_ns2_vc::fi, get_value_string(), GPRS_NS2_EV_ALIVE, GPRS_NS2_EV_ALIVE_ACK, GPRS_NS2_EV_BLOCK, GPRS_NS2_EV_BLOCK_ACK, GPRS_NS2_EV_RESET, GPRS_NS2_EV_RESET_ACK, GPRS_NS2_EV_UNBLOCK, GPRS_NS2_EV_UNBLOCK_ACK, GPRS_NS2_EV_UNITDATA, gprs_ns2_validate(), gprs_ns_pdu_strings, if(), msgb::l2h, LOGL_ERROR, LOGP, ns2_tx_status(), NS_PDUT_ALIVE, NS_PDUT_ALIVE_ACK, NS_PDUT_BLOCK, NS_PDUT_BLOCK_ACK, NS_PDUT_RESET, NS_PDUT_RESET_ACK, NS_PDUT_STATUS, NS_PDUT_UNBLOCK, NS_PDUT_UNBLOCK_ACK, NS_PDUT_UNITDATA, gprs_ns2_vc::nse, gprs_ns2_nse::nsei, osmo_fsm_inst_dispatch, and gprs_ns_hdr::pdu_type.
Referenced by ns2_recv_vc().
void ns2_nse_notify_alive | ( | struct gprs_ns2_vc * | nsvc, |
bool | alive | ||
) |
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.
[in] | nse | NS Entity in which the FSM runs |
[in] | id | string identifier FSM instance on success; NULL on error |
References LOGL_DEBUG, ns2_sns_state::nse, osmo_fsm_inst_alloc(), osmo_fsm_inst_term, OSMO_FSM_TERM_ERROR, and osmo_fsm_inst::priv.
Referenced by gprs_ns2_ip_connect_sns().
int ns2_sns_bss_fsm_start | ( | struct gprs_ns2_nse * | nse, |
struct gprs_ns2_vc * | nsvc, | ||
const struct osmo_sockaddr * | remote | ||
) |
Start an IP-SNS FSM.
[in] | nse | NS Entity whose IP-SNS FSM shall be started |
[in] | nsvc | Initial NS-VC |
[in] | remote | remote (SGSN) address |
References gprs_ns2_nse::bss_sns_fi, gprs_ns2_ip_bind_sockaddr(), gprs_ns2_is_ip_bind(), GPRS_SNS_EV_START, ns2_sns_state::initial, ns2_sns_state::ip, ns2_sns_state::ip4_local, ns2_sns_state::ip6_local, IPv4, IPv6, llist_for_each_entry, gprs_ns2_nse::nsi, ns2_sns_state::num_ip4_local, ns2_sns_state::num_ip6_local, ns2_sns_state::num_max_ip4_remote, ns2_sns_state::num_max_ip6_remote, ns2_sns_state::num_max_nsvcs, osmo_fsm_inst_dispatch, osmo_sockaddr_local_ip(), osmo_fsm_inst::priv, osmo_sockaddr::sa, ns2_sns_state::sns_nsvc, gprs_ns2_vc::sns_only, and osmo_sockaddr::u.
Referenced by gprs_ns2_ip_connect_sns().
void ns2_sns_free_nsvc | ( | struct gprs_ns2_vc * | nsvc | ) |
called when a nsvc is beeing freed
References gprs_ns2_nse::alive, gprs_ns2_nse::bss_sns_fi, gprs_ns2_vc_is_unblocked(), GPRS_SNS_EV_NO_NSVC, if(), llist_for_each_entry, LOGL_ERROR, LOGPFSML, ns2_sns_state::nse, gprs_ns2_vc::nse, gprs_ns2_nse::nsei, gprs_ns2_nse::nsvc, osmo_fsm_inst_dispatch, osmo_fsm_inst::priv, and ns2_sns_state::sns_nsvc.
Referenced by gprs_ns2_free_nsvc().
int ns2_tx_alive | ( | struct gprs_ns2_vc * | nsvc | ) |
Transmit a NS-ALIVE on a given NS-VC.
[in] | nsvc | NS-VC on which the NS-ALIVE is to be transmitted |
References DLNS, LOG_CTX_GB_NSVC, log_set_context(), LOGL_DEBUG, LOGP, ns2_tx_simple(), NS_PDUT_ALIVE, gprs_ns2_vc::nse, gprs_ns2_nse::nsei, and gprs_ns2_vc::nsvci.
Referenced by alive_timeout_handler(), gprs_ns2_st_alive_onenter(), and start_test_procedure().
int ns2_tx_alive_ack | ( | struct gprs_ns2_vc * | nsvc | ) |
Transmit a NS-ALIVE-ACK on a given NS-VC.
[in] | nsvc | NS-VC on which the NS-ALIVE-ACK is to be transmitted |
References DLNS, LOG_CTX_GB_NSVC, log_set_context(), LOGL_DEBUG, LOGP, ns2_tx_simple(), NS_PDUT_ALIVE_ACK, gprs_ns2_vc::nse, gprs_ns2_nse::nsei, and gprs_ns2_vc::nsvci.
Referenced by gprs_ns2_vc_fsm_allstate_action().
int ns2_tx_block | ( | struct gprs_ns2_vc * | nsvc, |
uint8_t | cause | ||
) |
Transmit a NS-BLOCK on a given NS-VC.
[in] | vc | NS-VC on which the NS-BLOCK is to be transmitted |
[in] | cause | Numeric NS Cause value |
References gprs_ns2_vc::bind, rate_ctr_group::ctr, gprs_ns2_vc::ctrg, DLNS, ERR_IF_NSVC_USES_SNS, gprs_ns2_cause_str(), gprs_ns2_msgb_alloc(), msgb::l2h, LOG_CTX_GB_NSVC, log_set_context(), LOGL_INFO, LOGP, msg, msgb_put(), msgb_tvlv_put(), NS_CTR_BLOCKED, NS_IE_CAUSE, NS_IE_VCI, NS_PDUT_BLOCK, gprs_ns2_vc::nse, gprs_ns2_nse::nsei, gprs_ns2_vc::nsvci, osmo_htons, gprs_ns_hdr::pdu_type, rate_ctr_inc(), and gprs_ns2_vc_bind::send_vc.
int ns2_tx_block_ack | ( | struct gprs_ns2_vc * | nsvc | ) |
Transmit a NS-BLOCK-ACK on a given NS-VC.
[in] | nsvc | NS-VC on which the NS-BLOCK is to be transmitted |
References gprs_ns2_vc::bind, DLNS, ERR_IF_NSVC_USES_SNS, gprs_ns2_msgb_alloc(), msgb::l2h, LOG_CTX_GB_NSVC, log_set_context(), LOGL_INFO, LOGP, msg, msgb_put(), msgb_tvlv_put(), NS_IE_VCI, NS_PDUT_BLOCK_ACK, gprs_ns2_vc::nse, gprs_ns2_nse::nsei, gprs_ns2_vc::nsvci, osmo_htons, gprs_ns_hdr::pdu_type, and gprs_ns2_vc_bind::send_vc.
Referenced by gprs_ns2_st_blocked(), and gprs_ns2_st_unblocked().
int ns2_tx_reset | ( | struct gprs_ns2_vc * | nsvc, |
uint8_t | cause | ||
) |
Transmit a NS-RESET on a given NS-VC.
[in] | nsvc | NS-VC used for transmission [in] cause Numeric NS cause value |
References gprs_ns2_vc::bind, DLNS, ERR_IF_NSVC_USES_SNS, gprs_ns2_cause_str(), gprs_ns2_msgb_alloc(), msgb::l2h, LOG_CTX_GB_NSVC, log_set_context(), LOGL_INFO, LOGP, msg, msgb_put(), msgb_tvlv_put(), NS_IE_CAUSE, NS_IE_NSEI, NS_IE_VCI, NS_PDUT_RESET, gprs_ns2_vc::nse, nsei, gprs_ns2_nse::nsei, gprs_ns2_vc::nsvci, osmo_htons, gprs_ns_hdr::pdu_type, and gprs_ns2_vc_bind::send_vc.
Referenced by gprs_ns2_st_reset_onenter().
int ns2_tx_reset_ack | ( | struct gprs_ns2_vc * | nsvc | ) |
Transmit a NS-RESET-ACK on a given NS-VC.
[in] | nsvc | NS-VC used for transmission |
References gprs_ns2_vc::bind, DLNS, ERR_IF_NSVC_USES_SNS, gprs_ns2_msgb_alloc(), msgb::l2h, LOG_CTX_GB_NSVC, log_set_context(), LOGL_INFO, LOGP, msg, msgb_put(), msgb_tvlv_put(), NS_IE_NSEI, NS_IE_VCI, NS_PDUT_RESET_ACK, gprs_ns2_vc::nse, nsei, gprs_ns2_nse::nsei, gprs_ns2_vc::nsvci, osmo_htons, gprs_ns_hdr::pdu_type, and gprs_ns2_vc_bind::send_vc.
Referenced by gprs_ns2_st_reset().
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.
[in] | nsvc | NS-VC through which to transmit the ACK |
[in] | trans_id | Transaction ID which to acknowledge |
[in] | cause | Pointer to cause value (NULL if no cause to be sent) |
[in] | ip4_elems | Array of IPv4 Elements |
[in] | num_ip4_elems | number of ip4_elems |
References gprs_ns2_vc::bind, gprs_ns2_nse::bss_sns_fi, DLNS, gprs_ns2_msgb_alloc(), msgb::l2h, LOG_CTX_GB_NSVC, log_set_context(), LOGL_ERROR, LOGP, msg, msgb_free(), msgb_put(), msgb_tvlv_put(), msgb_v_put(), NS_IE_CAUSE, NS_IE_IPv4_LIST, NS_IE_IPv6_LIST, NS_IE_NSEI, gprs_ns2_vc::nse, nsei, gprs_ns2_nse::nsei, osmo_htons, gprs_ns_hdr::pdu_type, gprs_ns2_vc_bind::send_vc, and SNS_PDUT_ACK.
Referenced by ns2_sns_st_configured_add(), ns2_sns_st_configured_change(), and ns2_sns_st_configured_delete().
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.
[in] | nsvc | NS-VC through which to transmit the SNS-CONFIG |
[in] | end_flag | Whether or not this is the last SNS-CONFIG |
[in] | ip4_elems | Array of IPv4 Elements |
[in] | num_ip4_elems | number of ip4_elems |
References gprs_ns2_vc::bind, gprs_ns2_nse::bss_sns_fi, DLNS, gprs_ns2_msgb_alloc(), msgb::l2h, LOG_CTX_GB_NSVC, log_set_context(), LOGL_ERROR, LOGP, msg, msgb_free(), msgb_put(), msgb_tvlv_put(), msgb_v_put(), NS_IE_IPv4_LIST, NS_IE_IPv6_LIST, NS_IE_NSEI, gprs_ns2_vc::nse, nsei, gprs_ns2_nse::nsei, osmo_htons, gprs_ns_hdr::pdu_type, gprs_ns2_vc_bind::send_vc, and SNS_PDUT_CONFIG.
Referenced by ns2_sns_st_config_bss_onenter().
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.
[in] | nsvc | NS-VC through which to transmit the SNS-CONFIG-ACK |
[in] | cause | Pointer to cause value (NULL if no cause to be sent) |
References gprs_ns2_vc::bind, gprs_ns2_nse::bss_sns_fi, DLNS, gprs_ns2_msgb_alloc(), msgb::l2h, LOG_CTX_GB_NSVC, log_set_context(), LOGL_ERROR, LOGP, msg, msgb_free(), msgb_put(), msgb_tvlv_put(), NS_IE_CAUSE, NS_IE_NSEI, gprs_ns2_vc::nse, nsei, gprs_ns2_nse::nsei, osmo_htons, gprs_ns_hdr::pdu_type, gprs_ns2_vc_bind::send_vc, and SNS_PDUT_CONFIG_ACK.
Referenced by ns_sns_st_config_sgsn_ip4(), and ns_sns_st_config_sgsn_ip6().
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.
[in] | nsvc | NS-VC through which to transmit the SNS-SIZE |
[in] | reset_flag | Whether or not to add a RESET flag |
[in] | max_nr_nsvc | Maximum number of NS-VCs |
[in] | ip4_ep_nr | Number of IPv4 endpoints (< 0 will omit the TLV) |
[in] | ip6_ep_nr | Number of IPv6 endpoints (< 0 will omit the TLV) |
References gprs_ns2_vc::bind, gprs_ns2_nse::bss_sns_fi, DLNS, gprs_ns2_msgb_alloc(), msgb::l2h, LOG_CTX_GB_NSVC, log_set_context(), LOGL_ERROR, LOGP, msg, msgb_free(), msgb_put(), msgb_tv16_put(), msgb_tv_put(), msgb_tvlv_put(), NS_IE_IPv4_EP_NR, NS_IE_IPv6_EP_NR, NS_IE_MAX_NR_NSVC, NS_IE_NSEI, NS_IE_RESET_FLAG, gprs_ns2_vc::nse, nsei, gprs_ns2_nse::nsei, osmo_htons, gprs_ns_hdr::pdu_type, gprs_ns2_vc_bind::send_vc, and SNS_PDUT_SIZE.
Referenced by ns2_sns_st_size_onenter().
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.
[in] | nsvc | NS-VC through which to transmit the SNS-SIZE-ACK |
[in] | cause | Pointer to cause value (NULL if no cause to be sent) |
References gprs_ns2_vc::bind, gprs_ns2_nse::bss_sns_fi, DLNS, gprs_ns2_msgb_alloc(), msgb::l2h, LOG_CTX_GB_NSVC, log_set_context(), LOGL_ERROR, LOGP, msg, msgb_free(), msgb_put(), msgb_tvlv_put(), NS_IE_CAUSE, NS_IE_NSEI, gprs_ns2_vc::nse, nsei, gprs_ns2_nse::nsei, osmo_htons, gprs_ns_hdr::pdu_type, gprs_ns2_vc_bind::send_vc, and SNS_PDUT_SIZE_ACK.
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.
[in] | nsvc | NS-VC to be used for transmission |
[in] | cause | Numeric NS cause value |
[in] | bvci | BVCI to be reset within NSVC |
[in] | orig_msg | message causing the STATUS |
References gprs_ns2_vc::bind, DLNS, gprs_ns2_cause_str(), gprs_ns2_msgb_alloc(), msgb::l2h, LOG_CTX_GB_NSVC, log_set_context(), LOGL_NOTICE, LOGP, msg, msgb_l2len(), msgb_put(), msgb_tvlv_put(), NS_CAUSE_BVCI_UNKNOWN, NS_CAUSE_INVAL_ESSENT_IE, NS_CAUSE_MISSING_ESSENT_IE, NS_CAUSE_NSVC_BLOCKED, NS_CAUSE_NSVC_UNKNOWN, NS_CAUSE_PDU_INCOMP_PSTATE, NS_CAUSE_PROTO_ERR_UNSPEC, NS_CAUSE_SEM_INCORR_PDU, NS_IE_CAUSE, NS_IE_PDU, NS_IE_VCI, NS_PDUT_STATUS, gprs_ns2_vc::nse, gprs_ns2_nse::nsei, gprs_ns2_vc::nsvci, osmo_htons, gprs_ns_hdr::pdu_type, and gprs_ns2_vc_bind::send_vc.
Referenced by gprs_ns2_vc_fsm_allstate_action(), gprs_ns2_vc_rx(), and ns2_recv_vc().
int ns2_tx_unblock | ( | struct gprs_ns2_vc * | nsvc | ) |
Transmit a NS-UNBLOCK on a given NS-VC.
[in] | nsvc | NS-VC on which the NS-UNBLOCK is to be transmitted |
References DLNS, ERR_IF_NSVC_USES_SNS, LOG_CTX_GB_NSVC, log_set_context(), LOGL_INFO, LOGP, ns2_tx_simple(), NS_PDUT_UNBLOCK, gprs_ns2_vc::nse, gprs_ns2_nse::nsei, and gprs_ns2_vc::nsvci.
Referenced by gprs_ns2_st_blocked_onenter().
int ns2_tx_unblock_ack | ( | struct gprs_ns2_vc * | nsvc | ) |
Transmit a NS-UNBLOCK-ACK on a given NS-VC.
[in] | nsvc | NS-VC on which the NS-UNBLOCK-ACK is to be transmitted |
References DLNS, ERR_IF_NSVC_USES_SNS, LOG_CTX_GB_NSVC, log_set_context(), LOGL_INFO, LOGP, ns2_tx_simple(), NS_PDUT_UNBLOCK_ACK, gprs_ns2_vc::nse, gprs_ns2_nse::nsei, and gprs_ns2_vc::nsvci.
Referenced by gprs_ns2_st_blocked().
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.
[in] | nsvc | NS-VC on which the NS-UNITDATA is to be transmitted |
[in] | bvci | BVCI to encode in NS-UNITDATA header |
[in] | sducontrol | SDU control octet of NS header |
[in] | msg | message buffer containing payload |
References gprs_ns2_vc::bind, gprs_ns_hdr::data, DLNS, if(), msgb::l2h, LOG_CTX_GB_NSVC, log_set_context(), LOGL_ERROR, LOGP, msgb_free(), msgb_push(), NS_PDUT_UNITDATA, gprs_ns_hdr::pdu_type, and gprs_ns2_vc_bind::send_vc.
Referenced by gprs_ns2_recv_prim().
void ns2_vty_bind_apply | ( | struct gprs_ns2_vc_bind * | bind | ) |
ns2_vty_bind_apply will be called when a new bind is created to apply vty settings
bind |
References gprs_ns2_bind_set_mode(), priv, and ns2_vty_priv::vc_mode.
Referenced by gprs_ns2_frgre_bind(), and gprs_ns2_ip_bind().