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BSSGP: reset cells when receiving a Reset on Signal BVC

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When a PCU sends a BVC Reset over BSSGP on the Signal BVC,
all cells which has been set up previously via PtP BVCs
has to be removed.

They might be introduced after the Signal BVC reset procedure
has finished.

Change-Id: I380c8f9ef90d8c7face5c380d923ab5168f5b484
This commit is contained in:
Alexander Couzens
2025-08-01 14:14:11 +02:00
parent c156925405
commit bae75b9a60
5 changed files with 90 additions and 13 deletions
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7
include/osmocom/sgsn/gprs_routing_area.h
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@@ -92,8 +92,11 @@ void sgsn_ra_free(struct sgsn_ra *ra);
struct sgsn_ra_cell *sgsn_ra_cell_alloc_geran(struct sgsn_ra *ra, uint16_t cell_id, uint16_t nsei, uint16_t bvci);
void sgsn_ra_cell_free(struct sgsn_ra_cell *cell);
/* Called by BSSGP layer to inform about a reset on a BVCI */
int sgsn_ra_bvc_reset_ind(uint16_t nsei, uint16_t bvci, struct osmo_cell_global_id_ps *cgi_ps);
/* GERAN */
/* Called by BSSGP layer to inform about a reset on a PtP BVCI */
int sgsn_ra_bvc_cell_reset_ind(uint16_t nsei, uint16_t bvci, struct osmo_cell_global_id_ps *cgi_ps);
/* Called by BSSGP layer to inform about a reset on a Signal BVCI */
void sgsn_ra_bvc_sign_reset_ind(uint16_t nsei);
/* FIXME: handle BVC BLOCK/UNBLOCK/UNAVAILABLE */
/* Called by NS-VC layer to inform about an unavailable NSEI (and all BVCI on them) */
int sgsn_ra_nsei_failure_ind(uint16_t nsei);