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[gprs] gb_proxy: Forward NS-RESET/NS-BLOCK/NS-UNBLOCK from SGSN to BTSs

This commit is contained in:
Harald Welte 2010-05-11 06:34:24 +02:00
parent 99e3248192
commit c1c1dd260a
3 changed files with 35 additions and 0 deletions
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2
openbsc/include/openbsc/gb_proxy.h
View File

@ -37,4 +37,6 @@ int gbproxy_parse_config(const char *config_file, struct gbproxy_config *cfg);
/* Main input function for Gb proxy */
int gbprox_rcvmsg(struct msgb *msg, struct gprs_nsvc *nsvc, uint16_t ns_bvci);
int gbprox_signal(unsigned int subsys, unsigned int signal,
void *handler_data, void *signal_data);
#endif

32
openbsc/src/gprs/gb_proxy.c
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@ -415,6 +415,38 @@ int gbprox_rcvmsg(struct msgb *msg, struct gprs_nsvc *nsvc, uint16_t ns_bvci)
return rc;
}
/* Signal handler for signals from NS layer */
int gbprox_signal(unsigned int subsys, unsigned int signal,
void *handler_data, void *signal_data)
{
struct ns_signal_data *nssd = signal_data;
struct gprs_nsvc *nsvc = nssd->nsvc;
struct gbprox_peer *peer;
if (subsys != SS_NS)
return 0;
/* We currently only care about signals from the SGSN */
if (!nsvc->remote_end_is_sgsn)
return 0;
/* iterate over all BTS peers and send the respective PDU */
llist_for_each_entry(peer, &gbprox_bts_peers, list) {
switch (signal) {
case S_NS_RESET:
gprs_ns_tx_reset(peer->nsvc, nssd->cause);
break;
case S_NS_BLOCK:
gprs_ns_tx_block(peer->nsvc, nssd->cause);
break;
case S_NS_UNBLOCK:
gprs_ns_tx_unblock(peer->nsvc);
break;
}
}
return 0;
}
#include <vty/command.h>

1
openbsc/src/gprs/gb_proxy_main.c
View File

@ -118,6 +118,7 @@ int main(int argc, char **argv)
exit(1);
}
gbcfg.nsi = gbprox_nsi;
register_signal_handler(SS_NS, &gbprox_signal, NULL);
nsip_listen(gbprox_nsi, gbcfg.nsip_listen_port);
/* 'establish' the outgoing connection to the SGSN */