diff options
Diffstat (limited to 'mbim.c')
| -rw-r--r-- | mbim.c | 51 |
1 files changed, 51 insertions, 0 deletions
@@ -0,0 +1,51 @@ +/* + * Copyright (C) 2016 Bjørn Mork <bjorn@mork.no> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301 USA. + */ + +#include <endian.h> +#include <stdbool.h> +#include <stdint.h> +#include <string.h> + +#include <stdio.h> + +#include "mbim.h" + +static const uint8_t qmiuuid[16] = { 0xd1, 0xa3, 0x0b, 0xc2, 0xf9, 0x7a, 0x6e, 0x43, + 0xbf, 0x65, 0xc7, 0xe2, 0x4f, 0xb0, 0xf0, 0xd3 }; + +bool is_mbim_qmi(struct mbim_command_message *msg) +{ + return msg->header.type == htole32(MBIM_MESSAGE_TYPE_COMMAND_DONE) && + msg->command_id == htole32(MBIM_CID_QMI_MSG) && + !msg->command_type && /* actually 'status' here */ + !memcmp(msg->service_id, qmiuuid, 16); + } + +void mbim_qmi_cmd(struct mbim_command_message *msg, int len, uint16_t tid) +{ + msg->header.type = htole32(MBIM_MESSAGE_TYPE_COMMAND); + msg->header.length = sizeof(*msg) + len; + msg->header.transaction_id = htole32(tid); + msg->fragment_header.total = 1; + msg->fragment_header.current = 0; + memcpy(msg->service_id, qmiuuid, 16); + msg->command_id = htole32(MBIM_CID_QMI_MSG); + msg->command_type = htole32(MBIM_MESSAGE_COMMAND_TYPE_SET); + msg->buffer_length = len; +} |