| /* Helper functions */ |
| |
| /* (C) 2014 by sysmocom - s.f.m.c. GmbH |
| * Author: Pablo Neira Ayuso <pablo@gnumonks.org> |
| * |
| * All Rights Reserved |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU Affero General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| * |
| */ |
| |
| #include <stdint.h> |
| #include <libmnl/libmnl.h> |
| #include <linux/gtp_nl.h> |
| |
| void gtp_build_payload(struct nlmsghdr *nlh, uint64_t tid, uint32_t ifidx, |
| uint32_t sgsn_addr, uint32_t ms_addr, uint32_t version) |
| { |
| mnl_attr_put_u32(nlh, GTPA_VERSION, version); |
| mnl_attr_put_u32(nlh, GTPA_LINK, ifidx); |
| mnl_attr_put_u32(nlh, GTPA_SGSN_ADDRESS, sgsn_addr); |
| mnl_attr_put_u32(nlh, GTPA_MS_ADDRESS, ms_addr); |
| mnl_attr_put_u64(nlh, GTPA_TID, tid); |
| } |