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e1: no need to pass security information since it does not change

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In Bearer Context Modification Request, the security information
field is needed only if we change the PDCP algorithms/keys. Since we
don't, no need to pass it.

Let's keep the old code, maybe the current understanding of the
specifications is wrong.
This commit is contained in:
Cedric Roux
2025-02-11 14:04:32 +01:00
committed by Guido Casati
parent 1273446804
commit 410446cbe9
1 changed files with 8 additions and 0 deletions
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openair2/RRC/NR/rrc_gNB.c
+8
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@@ -816,9 +816,17 @@ static void cuup_notify_reestablishment(gNB_RRC_INST *rrc, gNB_RRC_UE_t *ue_p)
/* increase DRB to modify counter */ /* increase DRB to modify counter */
pdu_e1->numDRB2Modify += 1; pdu_e1->numDRB2Modify += 1;
} }
#if 0
/* According to current understanding of E1 specifications, it is not needed
* to send security information because this does not change.
* But let's keep the code here in case it's needed.
*/
// Always send security information // Always send security information
req.secInfo = malloc_or_fail(sizeof(*req.secInfo)); req.secInfo = malloc_or_fail(sizeof(*req.secInfo));
fill_security_info(rrc, ue_p, req.secInfo); fill_security_info(rrc, ue_p, req.secInfo);
#endif
/* Send E1 Bearer Context Modification Request (3GPP TS 38.463) */ /* Send E1 Bearer Context Modification Request (3GPP TS 38.463) */
sctp_assoc_t assoc_id = get_existing_cuup_for_ue(rrc, ue_p); sctp_assoc_t assoc_id = get_existing_cuup_for_ue(rrc, ue_p);
rrc->cucp_cuup.bearer_context_mod(assoc_id, &req); rrc->cucp_cuup.bearer_context_mod(assoc_id, &req);