Holger Hans Peter Freyther | b78adcd | 2013-10-17 20:12:37 +0200 | [diff] [blame] | 1 | /* poll_controller.h |
| 2 | * |
| 3 | * Copyright (C) 2012 Andreas Eversberg <jolly@eversberg.eu> |
| 4 | * Copyright (C) 2013 by Holger Hans Peter Freyther |
| 5 | * |
| 6 | * All Rights Reserved |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU Affero General Public License as published by |
| 10 | * the Free Software Foundation; either version 3 of the License, or |
| 11 | * (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU Affero General Public License |
| 19 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 20 | * |
| 21 | */ |
| 22 | |
| 23 | #include <poll_controller.h> |
Holger Hans Peter Freyther | 34bd8bd | 2013-10-19 21:10:38 +0200 | [diff] [blame] | 24 | #include <bts.h> |
Holger Hans Peter Freyther | b78adcd | 2013-10-17 20:12:37 +0200 | [diff] [blame] | 25 | #include <tbf.h> |
| 26 | |
| 27 | PollController::PollController(BTS& bts) |
| 28 | : m_bts(bts) |
| 29 | {} |
| 30 | |
| 31 | void PollController::expireTimedout(int frame_number) |
| 32 | { |
| 33 | struct gprs_rlcmac_bts *bts = m_bts.bts_data(); |
| 34 | struct gprs_rlcmac_tbf *tbf; |
| 35 | struct gprs_rlcmac_sba *sba, *sba2; |
| 36 | uint32_t elapsed; |
| 37 | |
| 38 | /* check for poll timeout */ |
Holger Hans Peter Freyther | 34bd8bd | 2013-10-19 21:10:38 +0200 | [diff] [blame] | 39 | llist_for_each_entry(tbf, &bts->ul_tbfs, list) { |
Holger Hans Peter Freyther | b78adcd | 2013-10-17 20:12:37 +0200 | [diff] [blame] | 40 | if (tbf->poll_state == GPRS_RLCMAC_POLL_SCHED) { |
| 41 | elapsed = (frame_number + 2715648 - tbf->poll_fn) |
| 42 | % 2715648; |
| 43 | if (elapsed >= 20 && elapsed < 2715400) |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 44 | tbf->poll_timeout(); |
Holger Hans Peter Freyther | b78adcd | 2013-10-17 20:12:37 +0200 | [diff] [blame] | 45 | } |
| 46 | } |
Holger Hans Peter Freyther | 34bd8bd | 2013-10-19 21:10:38 +0200 | [diff] [blame] | 47 | llist_for_each_entry(tbf, &bts->dl_tbfs, list) { |
Holger Hans Peter Freyther | b78adcd | 2013-10-17 20:12:37 +0200 | [diff] [blame] | 48 | if (tbf->poll_state == GPRS_RLCMAC_POLL_SCHED) { |
| 49 | elapsed = (frame_number + 2715648 - tbf->poll_fn) |
| 50 | % 2715648; |
| 51 | if (elapsed >= 20 && elapsed < 2715400) |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 52 | tbf->poll_timeout(); |
Holger Hans Peter Freyther | b78adcd | 2013-10-17 20:12:37 +0200 | [diff] [blame] | 53 | } |
| 54 | } |
Holger Hans Peter Freyther | cedf890 | 2013-10-19 20:47:12 +0200 | [diff] [blame] | 55 | llist_for_each_entry_safe(sba, sba2, &m_bts.sba()->m_sbas, list) { |
Holger Hans Peter Freyther | b78adcd | 2013-10-17 20:12:37 +0200 | [diff] [blame] | 56 | elapsed = (frame_number + 2715648 - sba->fn) % 2715648; |
| 57 | if (elapsed >= 20 && elapsed < 2715400) { |
| 58 | /* sba will be freed here */ |
Holger Hans Peter Freyther | cedf890 | 2013-10-19 20:47:12 +0200 | [diff] [blame] | 59 | m_bts.sba()->timeout(sba); |
Holger Hans Peter Freyther | b78adcd | 2013-10-17 20:12:37 +0200 | [diff] [blame] | 60 | } |
| 61 | } |
| 62 | |
| 63 | } |