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author | Pau Espin Pedrol <pespin@sysmocom.de> | 2021-05-10 17:21:03 +0200 |
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committer | Pau Espin Pedrol <pespin@sysmocom.de> | 2021-05-11 11:32:44 +0200 |
commit | 20271c421ca774e5e9dbafe366e7cdfd5cee8ad3 (patch) | |
tree | 6434667d8d44aab29d829f9759bf003efd678003 /src/tbf_ul.cpp | |
parent | c6571b55814cf08f5df6ba5dc3423598845b0cb3 (diff) |
Split ul_tbf alloc on CCCH into new function
This allows more easily finding when this specific scenario happens, and
can easily be compared against the PACCH one.
Change-Id: I609792a40fda2a798ca71a0e9f5639d0a0f011d7
Diffstat (limited to 'src/tbf_ul.cpp')
-rw-r--r-- | src/tbf_ul.cpp | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/tbf_ul.cpp b/src/tbf_ul.cpp index cf8c75c5..686eea5e 100644 --- a/src/tbf_ul.cpp +++ b/src/tbf_ul.cpp @@ -160,6 +160,24 @@ gprs_rlcmac_ul_tbf *tbf_alloc_ul_pacch(struct gprs_rlcmac_bts *bts, GprsMs *ms, return tbf; } +/* Alloc a UL TBF to be assigned over CCCH */ +struct gprs_rlcmac_ul_tbf *tbf_alloc_ul_ccch(struct gprs_rlcmac_bts *bts, struct GprsMs *ms) +{ + struct gprs_rlcmac_ul_tbf *tbf; + + tbf = tbf_alloc_ul_tbf(bts, ms, -1, true); + if (!tbf) { + LOGP(DTBF, LOGL_NOTICE, "No PDCH resource for Uplink TBF\n"); + /* Caller will most probably send a Imm Ass Reject after return */ + return NULL; + } + TBF_SET_STATE(tbf, GPRS_RLCMAC_FLOW); + TBF_ASS_TYPE_SET(tbf, GPRS_RLCMAC_FLAG_CCCH); + OSMO_ASSERT(tbf->ms()); + + return tbf; +} + /* Create a temporary dummy TBF to Tx a ImmAssReject if allocating a new one during * packet resource Request failed. This is similar as tbf_alloc_ul() but without * calling tbf->setup() (in charge of TFI/USF allocation), and reusing resources |