pespin has uploaded this change for review.

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tbf_ul_ack_fsm: get ul_tbf base class only when needed

Otherwise it may give the wrong impression that the FSM can be used by
both DL TBFs and UL TBFs, which is not the case (only used by UL TBFs).

Change-Id: I788eae58248fa21732efe802344aa3c0c5031b5a
---
M src/tbf_ul_ack_fsm.c
1 file changed, 8 insertions(+), 8 deletions(-)

git pull ssh://gerrit.osmocom.org:29418/osmo-pcu refs/changes/99/29899/1

diff --git a/src/tbf_ul_ack_fsm.c b/src/tbf_ul_ack_fsm.c
index 0faf21e..8ec2199 100644
--- a/src/tbf_ul_ack_fsm.c
+++ b/src/tbf_ul_ack_fsm.c
@@ -55,11 +55,11 @@
 	int rc;
 	unsigned int rrbp = 0;
 	uint32_t new_poll_fn = 0;
-	struct gprs_rlcmac_tbf *tbf = (struct gprs_rlcmac_tbf *)ctx->tbf;
-	struct GprsMs *ms = tbf_ms(tbf);
+	struct gprs_rlcmac_ul_tbf *tbf = ctx->tbf;
+	struct GprsMs *ms = tbf_ms(ul_tbf_as_tbf(tbf));
 
 	if (final) {
-		rc = tbf_check_polling(tbf, d->fn, d->ts, &new_poll_fn, &rrbp);
+		rc = tbf_check_polling(ul_tbf_as_tbf(tbf), d->fn, d->ts, &new_poll_fn, &rrbp);
 		if (rc < 0)
 			return NULL;
 	}
@@ -88,8 +88,8 @@
 		ul_tbf_contention_resolution_success(ctx->tbf);
 
 	if (final) {
-		tbf_set_polling(tbf, new_poll_fn, d->ts, PDCH_ULC_POLL_UL_ACK);
-		LOGPTBF(tbf, LOGL_DEBUG,
+		tbf_set_polling(ul_tbf_as_tbf(tbf), new_poll_fn, d->ts, PDCH_ULC_POLL_UL_ACK);
+		LOGPTBFUL(tbf, LOGL_DEBUG,
 			"Scheduled UL Acknowledgement polling on PACCH (FN=%d, TS=%d)\n",
 			new_poll_fn, d->ts);
 	}
@@ -139,7 +139,7 @@
 static void st_wait_ctrl_ack(struct osmo_fsm_inst *fi, uint32_t event, void *data)
 {
 	struct tbf_ul_ack_fsm_ctx *ctx = (struct tbf_ul_ack_fsm_ctx *)fi->priv;
-	struct gprs_rlcmac_tbf *tbf = (struct gprs_rlcmac_tbf *)ctx->tbf;
+	struct gprs_rlcmac_ul_tbf *tbf = ctx->tbf;
 
 	switch (event) {
 	case TBF_UL_ACK_EV_SCHED_ACK:
@@ -149,9 +149,9 @@
 		tbf_ul_ack_fsm_state_chg(fi, TBF_UL_ACK_ST_NONE);
 		break;
 	case TBF_UL_ACK_EV_POLL_TIMEOUT:
-		LOGPTBF(tbf, LOGL_NOTICE,
+		LOGPTBFUL(tbf, LOGL_NOTICE,
 			"Timeout for polling PACKET CONTROL ACK for PACKET UPLINK ACK: %s\n",
-			tbf_rlcmac_diag(tbf));
+			tbf_rlcmac_diag(ul_tbf_as_tbf(tbf)));
 		/* Reschedule Ul Ack/NAck */
 		tbf_ul_ack_fsm_state_chg(fi, TBF_UL_ACK_ST_SCHED_UL_ACK);
 		break;

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