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osmo-bsc
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[paging] This is paging my phone but it looks completely wrong... 

- The paging block calculation is wrong but I have a hard time finding
  the right information. The table of 05.02 (Table 5 of 9) looks good
  but my phone is not happy with that group...
This commit is contained in:
Holger Freyther 2009-02-04 02:14:45 +00:00
parent 2976c40cd1
commit 3aa8d6c46d
3 changed files with 23 additions and 3 deletions
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1
include/openbsc/abis_rsl.h
View File

@ -376,6 +376,7 @@ int abis_rsl_rcvmsg(struct msgb *msg);
unsigned int get_paging_group(u_int64_t imsi, unsigned int bs_cc_chans,
int n_pag_blocks);
unsigned int n_pag_blocks(int bs_ccch_sdcch_comb, unsigned int bs_ag_blks_res);
u_int64_t str_to_imsi(const char *imsi_str);
/* to be provided by external code */
int abis_rsl_sendmsg(struct msgb *msg);

4
src/abis_rsl.c
View File

@ -852,9 +852,9 @@ int rsl_number_of_paging_subchannels(struct gsm_bts *bts)
{
if (bts->chan_desc.ccch_conf == RSL_BCCH_CCCH_CONF_1_C) {
return MAX(1, (3 - bts->chan_desc.bs_ag_blks_res))
* bts->chan_desc.bs_pa_mfrms;
* (bts->chan_desc.bs_pa_mfrms + 2);
} else {
return (9 - bts->chan_desc.bs_ag_blks_res)
* bts->chan_desc.bs_pa_mfrms;
* (bts->chan_desc.bs_pa_mfrms + 2);
}
}

21
src/paging.c
View File

@ -48,6 +48,22 @@
static LLIST_HEAD(managed_bts);
static unsigned int calculate_group(struct gsm_bts *bts, struct gsm_subscriber *subscr)
{
int ccch_conf;
int bs_cc_chans;
int blocks;
unsigned int group;
ccch_conf = bts->chan_desc.ccch_conf;
bs_cc_chans = rsl_ccch_conf_to_bs_cc_chans(ccch_conf);
/* code word + 2, as 2 channels equals 0x0 */
blocks = bts->chan_desc.bs_pa_mfrms + 2;
group = get_paging_group(str_to_imsi(subscr->imsi),
bs_cc_chans, blocks);
return group;
}
/*
* Kill one paging request update the internal list...
*/
@ -66,6 +82,7 @@ static void page_handle_pending_requests(void *data) {
u_int8_t mi[128];
unsigned long int tmsi;
unsigned int mi_len;
unsigned int pag_group;
struct paging_bts *paging_bts = (struct paging_bts *)data;
struct paging_request *request = NULL;
@ -82,9 +99,11 @@ static void page_handle_pending_requests(void *data) {
DEBUGP(DPAG, "Going to send paging commands: '%s'\n",
request->subscr->imsi);
++request->requests;
pag_group = calculate_group(paging_bts->bts, request->subscr);
tmsi = strtoul(request->subscr->tmsi, NULL, 10);
mi_len = generate_mid_from_tmsi(mi, tmsi);
rsl_paging_cmd(paging_bts->bts, 1, mi_len, mi,
rsl_paging_cmd(paging_bts->bts, pag_group, mi_len, mi,
request->chan_type);
if (request->requests > MAX_PAGING_REQUEST) {