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dexter gerrit-no-reply at lists.osmocom.orgReview at https://gerrit.osmocom.org/7839 gscon: remove dead code The state ST_WAIT_MODE_MODIFY_ACK can never be reached by the current FSM model. - Remove ST_WAIT_MODE_MODIFY_ACK and all related code Change-Id: Iacaae2ee50ca1956066b7dce4517bbc9c2b0897e Related: OS#2762 --- M include/osmocom/bsc/bsc_subscr_conn_fsm.h M src/libbsc/bsc_subscr_conn_fsm.c 2 files changed, 1 insertion(+), 45 deletions(-) git pull ssh://gerrit.osmocom.org:29418/osmo-bsc refs/changes/39/7839/1 diff --git a/include/osmocom/bsc/bsc_subscr_conn_fsm.h b/include/osmocom/bsc/bsc_subscr_conn_fsm.h index 9421528..9498d9f 100644 --- a/include/osmocom/bsc/bsc_subscr_conn_fsm.h +++ b/include/osmocom/bsc/bsc_subscr_conn_fsm.h @@ -21,8 +21,6 @@ GSCON_EV_RR_ASS_COMPL, /* RR ASSIGNMENT FAIL received */ GSCON_EV_RR_ASS_FAIL, - /* RR MODE MODIFY ACK received */ - GSCON_EV_RR_MODE_MODIFY_ACK, /* RSL RLL Release Indication */ GSCON_EV_RLL_REL_IND, diff --git a/src/libbsc/bsc_subscr_conn_fsm.c b/src/libbsc/bsc_subscr_conn_fsm.c index e18e466..d80e1ed 100644 --- a/src/libbsc/bsc_subscr_conn_fsm.c +++ b/src/libbsc/bsc_subscr_conn_fsm.c @@ -56,8 +56,6 @@ ST_ACTIVE, /* during assignment; waiting for ASS_CMPL */ ST_WAIT_ASS_CMPL, - /* during assignment; waiting for MODE_MODIFY_ACK */ - ST_WAIT_MODE_MODIFY_ACK, /* BSSMAP CLEAR has been received */ ST_CLEARING, @@ -99,7 +97,6 @@ {GSCON_EV_RR_ASS_COMPL, "RR_ASSIGN_COMPL"}, {GSCON_EV_RR_ASS_FAIL, "RR_ASSIGN_FAIL"}, - {GSCON_EV_RR_MODE_MODIFY_ACK, "RR_MODE_MODIFY_ACK"}, {GSCON_EV_RLL_REL_IND, "RLL_RELEASE.ind"}, {GSCON_EV_RSL_CONN_FAIL, "RSL_CONN_FAIL.ind"}, {GSCON_EV_RSL_CLEAR_COMPL, "RSL_CLEAR_COMPLETE"}, @@ -718,39 +715,6 @@ } } -/* We're waiting for a MODE MODIFY ACK from MS + BTS */ -static void gscon_fsm_wait_mode_modify_ack(struct osmo_fsm_inst *fi, uint32_t event, void *data) -{ - struct gsm_subscriber_connection *conn = fi->priv; - struct gsm_lchan *lchan = conn->lchan; - - switch (event) { - case GSCON_EV_RR_MODE_MODIFY_ACK: - /* we assume that not only have we received the RR MODE_MODIFY_ACK, but - * actually that also the BTS side of the channel mode has been changed accordingly */ - osmo_fsm_inst_state_chg(fi, ST_ACTIVE, 0, 0); - - /* FIXME: Check if this requires special handling. For now I assume that the send_ass_compl() - * can be used. But I am not sure. */ - send_ass_compl(lchan, fi, false); - - break; - /* FIXME: Do we need to handle DTAP traffic in this state? Maybe yes? Needs to be checked. */ - case GSCON_EV_MO_DTAP: - forward_dtap(conn, (struct msgb *)data, fi); - break; - case GSCON_EV_MT_DTAP: - submit_dtap(conn, (struct msgb *)data, fi); - break; - case GSCON_EV_TX_SCCP: - sigtran_send(conn, (struct msgb *)data, fi); - break; - default: - OSMO_ASSERT(false); - break; - } -} - static void gscon_fsm_clearing(struct osmo_fsm_inst *fi, uint32_t event, void *data) { struct gsm_subscriber_connection *conn = fi->priv; @@ -865,7 +829,7 @@ .in_event_mask = EV_TRANSPARENT_SCCP | S(GSCON_EV_A_ASSIGNMENT_CMD) | S(GSCON_EV_A_HO_REQ) | S(GSCON_EV_HO_START), .out_state_mask = S(ST_CLEARING) | S(ST_WAIT_CRCX_BTS) | S(ST_WAIT_ASS_CMPL) | - S(ST_WAIT_MODE_MODIFY_ACK) | S(ST_WAIT_MO_HO_CMD) | S(ST_WAIT_HO_COMPL), + S(ST_WAIT_MO_HO_CMD) | S(ST_WAIT_HO_COMPL), .action = gscon_fsm_active, }, [ST_WAIT_CRCX_BTS] = { @@ -891,12 +855,6 @@ .in_event_mask = EV_TRANSPARENT_SCCP | S(GSCON_EV_MGW_CRCX_RESP_MSC), .out_state_mask = S(ST_ACTIVE), .action = gscon_fsm_wait_crcx_msc, - }, - [ST_WAIT_MODE_MODIFY_ACK] = { - .name = OSMO_STRINGIFY(WAIT_MODE_MODIFY_ACK), - .in_event_mask = EV_TRANSPARENT_SCCP | S(GSCON_EV_RR_MODE_MODIFY_ACK), - .out_state_mask = S(ST_ACTIVE) | S(ST_CLEARING), - .action = gscon_fsm_wait_mode_modify_ack, }, [ST_CLEARING] = { .name = OSMO_STRINGIFY(CLEARING), -- To view, visit https://gerrit.osmocom.org/7839 To unsubscribe, visit https://gerrit.osmocom.org/settings Gerrit-MessageType: newchange Gerrit-Change-Id: Iacaae2ee50ca1956066b7dce4517bbc9c2b0897e Gerrit-PatchSet: 1 Gerrit-Project: osmo-bsc Gerrit-Branch: master Gerrit-Owner: dexter <pmaier at sysmocom.de>