From de2836e76a0f9f925bda95db3782a49e010cff1c Mon Sep 17 00:00:00 2001 From: Nenad Corbic Date: Wed, 26 Oct 2011 14:57:27 -0400 Subject: [PATCH] freetdm: Its possible to get HW ALARM clear even though we never got the initial alarm. Only send out an unblock if block was sent from hw alarm and there are no maintenance blocks pending. --- .../ftmod_sangoma_ss7_main.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/libs/freetdm/src/ftmod/ftmod_sangoma_ss7/ftmod_sangoma_ss7_main.c b/libs/freetdm/src/ftmod/ftmod_sangoma_ss7/ftmod_sangoma_ss7_main.c index 2cb59ca36e..177af00733 100644 --- a/libs/freetdm/src/ftmod/ftmod_sangoma_ss7/ftmod_sangoma_ss7_main.c +++ b/libs/freetdm/src/ftmod/ftmod_sangoma_ss7/ftmod_sangoma_ss7_main.c @@ -1247,6 +1247,25 @@ ftdm_status_t ftdm_sangoma_ss7_process_state_change (ftdm_channel_t * ftdmchan) if (sngss7_test_ckt_blk_flag(sngss7_info, FLAG_GRP_HW_UNBLK_TX)) { SS7_DEBUG_CHAN(ftdmchan, "Processing FLAG_GRP_HW_UNBLK_TX flag %s\n", ""); + if (sngss7_clear_ckt_blk_flag(sngss7_info, FLAG_GRP_HW_BLOCK_TX) && + sngss7_clear_ckt_blk_flag(sngss7_info, FLAG_GRP_HW_BLOCK_TX_DN)) { + + /* Block was sent out we must send an unblock */ + /* Do not send an unblock if we also have Management block + enabled */ + + if (!sngss7_test_ckt_blk_flag(sngss7_info, ( FLAG_CKT_MN_BLOCK_TX + | FLAG_CKT_MN_BLOCK_TX + | FLAG_GRP_MN_BLOCK_TX + | FLAG_GRP_MN_BLOCK_TX_DN + ) + ) + ) { + ft_to_sngss7_ubl(ftdmchan); + } + + } + sngss7_clear_ckt_blk_flag(sngss7_info, FLAG_GRP_HW_BLOCK_TX); sngss7_clear_ckt_blk_flag(sngss7_info, FLAG_GRP_HW_BLOCK_TX_DN); sngss7_clear_ckt_blk_flag(sngss7_info, FLAG_GRP_HW_UNBLK_TX);