fixeria has uploaded this change for review. ( 
https://gerrit.osmocom.org/c/osmo-bsc/+/34357?usp=email )


Change subject: oml: ipacc: fix sending hard-coded GPRS Cell attributes
......................................................................

oml: ipacc: fix sending hard-coded GPRS Cell attributes

Change-Id: I7d90ca3d6a660af8e953e890c7919194f5d297d2
Related: OS#4505
---
M src/osmo-bsc/bts_ipaccess_nanobts_omlattr.c
1 file changed, 37 insertions(+), 23 deletions(-)



  git pull ssh://gerrit.osmocom.org:29418/osmo-bsc refs/changes/57/34357/1

diff --git a/src/osmo-bsc/bts_ipaccess_nanobts_omlattr.c 
b/src/osmo-bsc/bts_ipaccess_nanobts_omlattr.c
index 1f64c0e..ddbb05a 100644
--- a/src/osmo-bsc/bts_ipaccess_nanobts_omlattr.c
+++ b/src/osmo-bsc/bts_ipaccess_nanobts_omlattr.c
@@ -1,6 +1,6 @@
 /* ip.access nanoBTS specific code, OML attribute table generator */

-/* (C) 2016 by sysmocom s.f.m.c. GmbH <[email protected]>
+/* (C) 2016-2023 by sysmocom s.f.m.c. GmbH <[email protected]>
  * All Rights Reserved
  *
  * Author: Philipp Maier
@@ -226,6 +226,7 @@
 struct msgb *nanobts_gen_set_cell_attr(struct gsm_bts *bts)
 {
        const struct gsm_gprs_cell *cell = &bts->gprs.cell;
+       const struct gprs_rlc_cfg *rlcc = &cell->rlc_cfg;
        struct msgb *msgb;
        uint8_t buf[2];
        msgb = msgb_alloc(1024, "nanobts_attr_bts");
@@ -236,45 +237,48 @@
        buf[0] = bts->gprs.rac;
        msgb_tl16v_put(msgb, NM_ATT_IPACC_RAC, 1, buf);

-       buf[0] = 5;     /* repeat time (50ms) */
-       buf[1] = 3;     /* repeat count */
+       buf[0] = rlcc->paging.repeat_time / 50; /* units of 50ms */
+       buf[1] = rlcc->paging.repeat_count;
        msgb_tl16v_put(msgb, NM_ATT_IPACC_GPRS_PAGING_CFG, 2, buf);

        /* BVCI 925 */
-       buf[0] = bts->gprs.cell.bvci >> 8;
-       buf[1] = bts->gprs.cell.bvci & 0xff;
+       buf[0] = cell->bvci >> 8;
+       buf[1] = cell->bvci & 0xff;
        msgb_tl16v_put(msgb, NM_ATT_IPACC_BVCI, 2, buf);
 
        /* all timers in seconds, unless otherwise stated */
        const struct abis_nm_ipacc_att_rlc_cfg rlc_cfg = {
-               .t3142 =                20,     /* T3142 */
-               .t3169 =                5,      /* T3169 */
-               .t3191 =                5,      /* T3191 */
-               .t3193_10ms =           160,    /* T3193 (units of 10ms) */
-               .t3195 =                5,      /* T3195 */
-               .n3101 =                10,     /* N3101 */
-               .n3103 =                4,      /* N3103 */
-               .n3105 =                8,      /* N3105 */
-               .rlc_cv_countdown =     15,     /* RLC CV countdown */
+               .t3142 = rlcc->parameter[RLC_T3142],
+               .t3169 = rlcc->parameter[RLC_T3169],
+               .t3191 = rlcc->parameter[RLC_T3191],
+               .t3193_10ms = rlcc->parameter[RLC_T3193] / 10,
+               .t3195 = rlcc->parameter[RLC_T3195],
+               .n3101 = rlcc->parameter[RLC_N3101],
+               .n3103 = rlcc->parameter[RLC_N3103],
+               .n3105 = rlcc->parameter[RLC_N3105],
+               .rlc_cv_countdown = rlcc->parameter[CV_COUNTDOWN],
        };
        msgb_tl16v_put(msgb, NM_ATT_IPACC_RLC_CFG, sizeof(rlc_cfg), (const 
uint8_t *)&rlc_cfg);

        if (is_osmobts(bts) || cell->mo.ipaccess.obj_version >= 4) {
+               /* CS1..CS4 flags encoded in the first octet */
+               buf[0] = rlcc->cs_mask & 0x0f;
+               /* MCS1..MSC8 flags encoded in the second octet */
+               buf[1] = 0x00;
                if (bts->gprs.mode == BTS_GPRS_EGPRS) {
-                       buf[0] = 0x8f;
-                       buf[1] = 0xff;
-               } else {
-                       buf[0] = 0x0f;
-                       buf[1] = 0x00;
+                       /* MSC9 is special and also goes to the first octet */
+                       if (rlcc->cs_mask & (1 << GPRS_MCS9))
+                               buf[0] |= (1 << 7);
+                       buf[1] = (rlcc->cs_mask >> 4) & 0xff;
                }
                msgb_tl16v_put(msgb, NM_ATT_IPACC_CODING_SCHEMES, 2, buf);
        }

        if (is_osmobts(bts) || cell->mo.ipaccess.obj_version >= 20) {
                const struct abis_nm_ipacc_att_rlc_cfg_2 rlc_cfg_2 = {
-                       .t_dl_tbf_ext_10ms = htons(250), /* 0..500 */
-                       .t_ul_tbf_ext_10ms = htons(250), /* 0..500 */
-                       .initial_cs = 2, /* CS2 */
+                       .t_dl_tbf_ext_10ms = 
htons(rlcc->parameter[T_DL_TBF_EXT] / 10),
+                       .t_ul_tbf_ext_10ms = 
htons(rlcc->parameter[T_UL_TBF_EXT] / 10),
+                       .initial_cs = rlcc->initial_cs,
                };
                msgb_tl16v_put(msgb, NM_ATT_IPACC_RLC_CFG_2,
                               sizeof(rlc_cfg_2), (const uint8_t *)&rlc_cfg_2);
@@ -282,7 +286,7 @@

        if (is_osmobts(bts) || cell->mo.ipaccess.obj_version >= 30) {
                const struct abis_nm_ipacc_att_rlc_cfg_3 rlc_cfg_3 = {
-                       .initial_mcs = 2, /* MCS2 */
+                       .initial_mcs = rlcc->initial_mcs,
                };
                msgb_tl16v_put(msgb, NM_ATT_IPACC_RLC_CFG_3,
                               sizeof(rlc_cfg_3), (const uint8_t *)&rlc_cfg_3);

--
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Gerrit-Project: osmo-bsc
Gerrit-Branch: master
Gerrit-Change-Id: I7d90ca3d6a660af8e953e890c7919194f5d297d2
Gerrit-Change-Number: 34357
Gerrit-PatchSet: 1
Gerrit-Owner: fixeria <[email protected]>
Gerrit-MessageType: newchange

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