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-rw-r--r--src/gb/gprs_bssgp.c53
1 files changed, 27 insertions, 26 deletions
diff --git a/src/gb/gprs_bssgp.c b/src/gb/gprs_bssgp.c
index 4a4bab3e..550757f9 100644
--- a/src/gb/gprs_bssgp.c
+++ b/src/gb/gprs_bssgp.c
@@ -307,7 +307,7 @@ static int bssgp_rx_bvc_reset(struct msgb *msg, struct tlv_parsed *tp,
static int bssgp_rx_bvc_block(struct msgb *msg, struct tlv_parsed *tp)
{
struct osmo_bssgp_prim nmp;
- uint16_t bvci;
+ uint16_t bvci, nsei = msgb_nsei(msg);
struct bssgp_bvc_ctx *ptp_ctx;
bvci = tlvp_val16be(tp, BSSGP_IE_BVCI);
@@ -315,13 +315,13 @@ static int bssgp_rx_bvc_block(struct msgb *msg, struct tlv_parsed *tp)
/* 8.3.2: Signalling BVC shall never be blocked */
LOGP(DBSSGP, LOGL_ERROR, "NSEI=%u/BVCI=%u "
"received block for signalling BVC!?!\n",
- msgb_nsei(msg), msgb_bvci(msg));
+ nsei, msgb_bvci(msg));
return 0;
}
LOGP(DBSSGP, LOGL_INFO, "BSSGP Rx BVCI=%u BVC-BLOCK\n", bvci);
- ptp_ctx = btsctx_by_bvci_nsei(bvci, msgb_nsei(msg));
+ ptp_ctx = btsctx_by_bvci_nsei(bvci, nsei);
if (!ptp_ctx)
return bssgp_tx_status(BSSGP_CAUSE_UNKNOWN_BVCI, &bvci, msg);
@@ -330,7 +330,7 @@ static int bssgp_rx_bvc_block(struct msgb *msg, struct tlv_parsed *tp)
/* Send NM_BVC_BLOCK.ind to NM */
memset(&nmp, 0, sizeof(nmp));
- nmp.nsei = msgb_nsei(msg);
+ nmp.nsei = nsei;
nmp.bvci = bvci;
nmp.tp = tp;
osmo_prim_init(&nmp.oph, SAP_BSSGP_NM, PRIM_NM_BVC_BLOCK,
@@ -338,14 +338,14 @@ static int bssgp_rx_bvc_block(struct msgb *msg, struct tlv_parsed *tp)
bssgp_prim_cb(&nmp.oph, NULL);
/* We always acknowledge the BLOCKing */
- return bssgp_tx_simple_bvci(BSSGP_PDUT_BVC_BLOCK_ACK, msgb_nsei(msg),
+ return bssgp_tx_simple_bvci(BSSGP_PDUT_BVC_BLOCK_ACK, nsei,
bvci, msgb_bvci(msg));
};
static int bssgp_rx_bvc_unblock(struct msgb *msg, struct tlv_parsed *tp)
{
struct osmo_bssgp_prim nmp;
- uint16_t bvci;
+ uint16_t bvci, nsei = msgb_nsei(msg);
struct bssgp_bvc_ctx *ptp_ctx;
bvci = tlvp_val16be(tp, BSSGP_IE_BVCI);
@@ -353,13 +353,13 @@ static int bssgp_rx_bvc_unblock(struct msgb *msg, struct tlv_parsed *tp)
/* 8.3.2: Signalling BVC shall never be blocked */
LOGP(DBSSGP, LOGL_ERROR, "NSEI=%u/BVCI=%u "
"received unblock for signalling BVC!?!\n",
- msgb_nsei(msg), msgb_bvci(msg));
+ nsei, msgb_bvci(msg));
return 0;
}
DEBUGP(DBSSGP, "BSSGP BVCI=%u Rx BVC-UNBLOCK\n", bvci);
- ptp_ctx = btsctx_by_bvci_nsei(bvci, msgb_nsei(msg));
+ ptp_ctx = btsctx_by_bvci_nsei(bvci, nsei);
if (!ptp_ctx)
return bssgp_tx_status(BSSGP_CAUSE_UNKNOWN_BVCI, &bvci, msg);
@@ -367,7 +367,7 @@ static int bssgp_rx_bvc_unblock(struct msgb *msg, struct tlv_parsed *tp)
/* Send NM_BVC_UNBLOCK.ind to NM */
memset(&nmp, 0, sizeof(nmp));
- nmp.nsei = msgb_nsei(msg);
+ nmp.nsei = nsei;
nmp.bvci = bvci;
nmp.tp = tp;
osmo_prim_init(&nmp.oph, SAP_BSSGP_NM, PRIM_NM_BVC_UNBLOCK,
@@ -375,7 +375,7 @@ static int bssgp_rx_bvc_unblock(struct msgb *msg, struct tlv_parsed *tp)
bssgp_prim_cb(&nmp.oph, NULL);
/* We always acknowledge the unBLOCKing */
- return bssgp_tx_simple_bvci(BSSGP_PDUT_BVC_UNBLOCK_ACK, msgb_nsei(msg),
+ return bssgp_tx_simple_bvci(BSSGP_PDUT_BVC_UNBLOCK_ACK, nsei,
bvci, msgb_bvci(msg));
};
@@ -419,7 +419,7 @@ static int bssgp_rx_suspend(struct msgb *msg, struct tlv_parsed *tp)
struct osmo_bssgp_prim gbp;
struct gprs_ra_id raid;
uint32_t tlli;
- uint16_t ns_bvci = msgb_bvci(msg);
+ uint16_t ns_bvci = msgb_bvci(msg), nsei = msgb_nsei(msg);
int rc;
if (!TLVP_PRESENT(tp, BSSGP_IE_TLLI) ||
@@ -438,7 +438,7 @@ static int bssgp_rx_suspend(struct msgb *msg, struct tlv_parsed *tp)
/* Inform GMM about the SUSPEND request */
memset(&gbp, 0, sizeof(gbp));
- gbp.nsei = msgb_nsei(msg);
+ gbp.nsei = nsei;
gbp.bvci = ns_bvci;
gbp.tlli = tlli;
gbp.ra_id = &raid;
@@ -447,9 +447,9 @@ static int bssgp_rx_suspend(struct msgb *msg, struct tlv_parsed *tp)
rc = bssgp_prim_cb(&gbp.oph, NULL);
if (rc < 0)
- return bssgp_tx_suspend_nack(msgb_nsei(msg), tlli, &raid, NULL);
+ return bssgp_tx_suspend_nack(nsei, tlli, &raid, NULL);
- bssgp_tx_suspend_ack(msgb_nsei(msg), tlli, &raid, 0);
+ bssgp_tx_suspend_ack(nsei, tlli, &raid, 0);
return 0;
}
@@ -460,7 +460,7 @@ static int bssgp_rx_resume(struct msgb *msg, struct tlv_parsed *tp)
struct gprs_ra_id raid;
uint32_t tlli;
uint8_t suspend_ref;
- uint16_t ns_bvci = msgb_bvci(msg);
+ uint16_t ns_bvci = msgb_bvci(msg), nsei = msgb_nsei(msg);
int rc;
if (!TLVP_PRESENT(tp, BSSGP_IE_TLLI) ||
@@ -480,7 +480,7 @@ static int bssgp_rx_resume(struct msgb *msg, struct tlv_parsed *tp)
/* Inform GMM about the RESUME request */
memset(&gbp, 0, sizeof(gbp));
- gbp.nsei = msgb_nsei(msg);
+ gbp.nsei = nsei;
gbp.bvci = ns_bvci;
gbp.tlli = tlli;
gbp.ra_id = &raid;
@@ -490,10 +490,10 @@ static int bssgp_rx_resume(struct msgb *msg, struct tlv_parsed *tp)
rc = bssgp_prim_cb(&gbp.oph, NULL);
if (rc < 0)
- return bssgp_tx_resume_nack(msgb_nsei(msg), tlli, &raid,
+ return bssgp_tx_resume_nack(nsei, tlli, &raid,
NULL);
- bssgp_tx_resume_ack(msgb_nsei(msg), tlli, &raid);
+ bssgp_tx_resume_ack(nsei, tlli, &raid);
return 0;
}
@@ -503,6 +503,7 @@ static int bssgp_rx_llc_disc(struct msgb *msg, struct tlv_parsed *tp,
{
struct osmo_bssgp_prim nmp;
uint32_t tlli = 0;
+ uint16_t nsei = msgb_nsei(msg);
if (!TLVP_PRESENT(tp, BSSGP_IE_TLLI) ||
!TLVP_PRESENT(tp, BSSGP_IE_LLC_FRAMES_DISCARDED) ||
@@ -522,7 +523,7 @@ static int bssgp_rx_llc_disc(struct msgb *msg, struct tlv_parsed *tp,
/* send NM_LLC_DISCARDED to NM */
memset(&nmp, 0, sizeof(nmp));
- nmp.nsei = msgb_nsei(msg);
+ nmp.nsei = nsei;
nmp.bvci = ctx->bvci;
nmp.tlli = tlli;
nmp.tp = tp;
@@ -535,6 +536,7 @@ static int bssgp_rx_llc_disc(struct msgb *msg, struct tlv_parsed *tp,
int bssgp_rx_status(struct msgb *msg, struct tlv_parsed *tp,
uint16_t bvci, struct bssgp_bvc_ctx *bctx)
{
+ uint16_t nsei = msgb_nsei(msg);
struct osmo_bssgp_prim nmp;
enum gprs_bssgp_cause cause;
@@ -562,7 +564,7 @@ int bssgp_rx_status(struct msgb *msg, struct tlv_parsed *tp,
/* send NM_STATUS to NM */
memset(&nmp, 0, sizeof(nmp));
- nmp.nsei = msgb_nsei(msg);
+ nmp.nsei = nsei;
nmp.bvci = bvci;
nmp.tp = tp;
osmo_prim_init(&nmp.oph, SAP_BSSGP_NM, PRIM_NM_STATUS,
@@ -1034,6 +1036,7 @@ int bssgp_rcvmsg(struct msgb *msg)
struct bssgp_bvc_ctx *bctx;
uint8_t pdu_type = bgph->pdu_type;
uint16_t ns_bvci = msgb_bvci(msg);
+ uint16_t nsei = msgb_nsei(msg);
uint16_t bvci = ns_bvci;
int data_len;
int rc = 0;
@@ -1061,7 +1064,7 @@ int bssgp_rcvmsg(struct msgb *msg)
bvci = tlvp_val16be(&tp, BSSGP_IE_BVCI);
/* look-up or create the BTS context for this BVC */
- bctx = btsctx_by_bvci_nsei(bvci, msgb_nsei(msg));
+ bctx = btsctx_by_bvci_nsei(bvci, nsei);
if (bctx) {
log_set_context(LOG_CTX_GB_BVC, bctx);
@@ -1080,8 +1083,7 @@ int bssgp_rcvmsg(struct msgb *msg)
* registered if a BVCI is given. */
if (!bctx && bvci != BVCI_SIGNALLING &&
pdu_type != BSSGP_PDUT_BVC_RESET) {
- LOGP(DBSSGP, LOGL_NOTICE, "NSEI=%u/BVCI=%u Rejecting PDU "
- "type %s for unknown BVCI\n", msgb_nsei(msg), bvci,
+ LOGP(DBSSGP, LOGL_NOTICE, "NSEI=%u/BVCI=%u Rejecting PDU type %s for unknown BVCI\n", nsei, bvci,
bssgp_pdu_str(pdu_type));
return bssgp_tx_status(BSSGP_CAUSE_UNKNOWN_BVCI, &bvci, msg);
}
@@ -1094,9 +1096,8 @@ int bssgp_rcvmsg(struct msgb *msg)
rc = bssgp_rx_ptp(msg, &tp, bctx);
else
LOGP(DBSSGP, LOGL_NOTICE,
- "NSEI=%u/BVCI=%u Cannot handle PDU type %s for "
- "unknown BVCI, NS BVCI %u\n",
- msgb_nsei(msg), bvci, bssgp_pdu_str(pdu_type), ns_bvci);
+ "NSEI=%u/BVCI=%u Cannot handle PDU type %s for unknown BVCI, NS BVCI %u\n", nsei, bvci,
+ bssgp_pdu_str(pdu_type), ns_bvci);
return rc;
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-31 12:57:05 +0000