Harald Welte | 1fa60c8 | 2009-02-09 18:13:26 +0000 | [diff] [blame] | 1 | #include <string.h> |
| 2 | #include <errno.h> |
| 3 | |
| 4 | #include <openbsc/gsm_data.h> |
| 5 | #include <openbsc/e1_input.h> |
| 6 | |
| 7 | #define SAPI_L2ML 0 |
| 8 | #define SAPI_OML 62 |
| 9 | #define SAPI_RSL 0 /* 63 ? */ |
| 10 | |
| 11 | #define TEI_L2ML 127 |
| 12 | #define TEI_OML 25 |
| 13 | #define TEI_RSL 1 |
| 14 | |
| 15 | /* do some compiled-in configuration for our BTS/E1 setup */ |
| 16 | int e1_config(struct gsm_bts *bts) |
| 17 | { |
| 18 | struct e1inp_line *line; |
| 19 | struct e1inp_ts *sign_ts; |
| 20 | struct e1inp_sign_link *oml_link, *rsl_link; |
| 21 | |
| 22 | line = malloc(sizeof(*line)); |
| 23 | if (!line) |
| 24 | return -ENOMEM; |
| 25 | memset(line, 0, sizeof(*line)); |
| 26 | |
| 27 | /* create E1 timeslots for signalling and TRAU frames */ |
| 28 | e1inp_ts_config(&line->ts[1-1], line, E1INP_TS_TYPE_SIGN); |
| 29 | e1inp_ts_config(&line->ts[2-1], line, E1INP_TS_TYPE_TRAU); |
| 30 | e1inp_ts_config(&line->ts[3-1], line, E1INP_TS_TYPE_TRAU); |
| 31 | |
| 32 | /* create signalling links for TS1 */ |
| 33 | sign_ts = &line->ts[1-1]; |
| 34 | oml_link = e1inp_sign_link_create(sign_ts, E1INP_SIGN_OML, |
| 35 | bts->c0, TEI_OML, SAPI_OML); |
| 36 | rsl_link = e1inp_sign_link_create(sign_ts, E1INP_SIGN_RSL, |
| 37 | bts->c0, TEI_RSL, SAPI_RSL); |
| 38 | |
| 39 | /* create back-links from bts/trx */ |
| 40 | bts->oml_link = oml_link; |
| 41 | bts->c0->rsl_link = rsl_link; |
| 42 | |
| 43 | #if 0 |
| 44 | /* create E1 timeslots for signalling and TRAU frames */ |
| 45 | e1inp_ts_config(&line->ts[4-1], line, E1INP_TS_TYPE_TRAU); |
| 46 | e1inp_ts_config(&line->ts[5-1], line, E1INP_TS_TYPE_TRAU); |
| 47 | |
| 48 | /* create signalling links for TS1 */ |
| 49 | sign_ts = &line->ts[1-1]; |
| 50 | rsl_link = e1inp_sign_link_create(sign_ts, E1INP_SIGN_RSL, |
| 51 | &bts->trx[1], TEI_RSL+1, SAPI_RSL); |
| 52 | /* create back-links from trx */ |
| 53 | bts->trx[1].rsl_link = rsl_link; |
| 54 | #endif |
| 55 | |
| 56 | return mi_setup(0, line, NULL); |
| 57 | } |