Change in libosmocore[master]: Revert "gprs_ns2_vc_fsm: check NSVCI match the NSE"

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laforge gerrit-no-reply at lists.osmocom.org
Thu Jan 21 11:55:38 UTC 2021


laforge has submitted this change. ( https://gerrit.osmocom.org/c/libosmocore/+/22357 )

Change subject: Revert "gprs_ns2_vc_fsm: check NSVCI match the NSE"
......................................................................

Revert "gprs_ns2_vc_fsm: check NSVCI match the NSE"

This reverts commit 9c1e04e5802dfa25fcab3ca2c947897a1b7e7485.
Related: OS#4965

Change-Id: Ic26e6ee8c225266dc31850e38976460cb0e81ebd
---
M src/gb/gprs_ns2_vc_fsm.c
1 file changed, 2 insertions(+), 14 deletions(-)

Approvals:
  laforge: Looks good to me, approved
  Jenkins Builder: Verified



diff --git a/src/gb/gprs_ns2_vc_fsm.c b/src/gb/gprs_ns2_vc_fsm.c
index d4f4320..3ec6909 100644
--- a/src/gb/gprs_ns2_vc_fsm.c
+++ b/src/gb/gprs_ns2_vc_fsm.c
@@ -750,10 +750,11 @@
 	struct osmo_fsm_inst *fi = nsvc->fi;
 	int rc = 0;
 	uint8_t cause;
-	uint16_t nsei, nsvci;
+	uint16_t nsei;
 
 	/* TODO: 7.2: on UNBLOCK/BLOCK: check if NS-VCI is correct,
 	 *  if not answer STATUS with "NS-VC unknown" */
+	/* TODO: handle RESET with different VCI */
 	/* TODO: handle BLOCK/UNBLOCK/ALIVE with different VCI */
 
 	if (gprs_ns2_validate(nsvc, nsh->pdu_type, msg, tp, &cause)) {
@@ -776,19 +777,6 @@
 		}
 	}
 
-	if (nsvc->nsvci_is_valid && TLVP_PRESENT(tp,  NS_IE_VCI)) {
-		nsvci = tlvp_val16be(tp, NS_IE_VCI);
-		if (nsvci != nsvc->nsvci) {
-			/* 48.016 § 7.3.1 send RESET_ACK to wrong NSVCI + ignore */
-			if (nsh->pdu_type == NS_PDUT_RESET)
-				ns2_tx_reset_ack(nsvc);
-
-			LOGNSVC(nsvc, LOGL_ERROR, "Rx %s with wrong NSVCI=%05u. Ignoring PDU.\n",
-				get_value_string(gprs_ns_pdu_strings, nsh->pdu_type), nsvci);
-			goto out;
-		}
-	}
-
 	switch (nsh->pdu_type) {
 	case NS_PDUT_RESET:
 		osmo_fsm_inst_dispatch(fi, GPRS_NS2_EV_RX_RESET, tp);

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Gerrit-Project: libosmocore
Gerrit-Branch: master
Gerrit-Change-Id: Ic26e6ee8c225266dc31850e38976460cb0e81ebd
Gerrit-Change-Number: 22357
Gerrit-PatchSet: 1
Gerrit-Owner: laforge <laforge at osmocom.org>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: laforge <laforge at osmocom.org>
Gerrit-Reviewer: lynxis lazus <lynxis at fe80.eu>
Gerrit-MessageType: merged
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