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// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) B.A.T.M.A.N. contributors:
*
* Marek Lindner <marek.lindner@mailbox.org>
*
* License-Filename: LICENSES/preferred/GPL-2.0
*/
#include <errno.h>
#include <stddef.h>
#include <stdint.h>
#include <string.h>
#include "functions.h"
#include "main.h"
#include "sys.h"
static struct throughput_override_data {
uint32_t throughput_override;
} throughput_override;
static int parse_throughput_override(struct state *state, int argc, char *argv[])
{
struct settings_data *settings = state->cmd->arg;
struct throughput_override_data *data = settings->data;
bool ret;
if (argc != 2) {
fprintf(stderr, "Error - incorrect number of arguments (expected 1)\n");
return -EINVAL;
}
ret = parse_throughput(argv[1], "throughput override",
&data->throughput_override);
if (!ret)
return -EINVAL;
return 0;
}
static int print_throughput_override(struct nl_msg *msg, void *arg)
{
struct nlattr *attrs[BATADV_ATTR_MAX + 1];
struct nlmsghdr *nlh = nlmsg_hdr(msg);
struct genlmsghdr *ghdr;
int *result = arg;
uint32_t mbit;
if (!genlmsg_valid_hdr(nlh, 0))
return NL_OK;
ghdr = nlmsg_data(nlh);
if (nla_parse(attrs, BATADV_ATTR_MAX, genlmsg_attrdata(ghdr, 0),
genlmsg_len(ghdr), batadv_netlink_policy)) {
return NL_OK;
}
if (!attrs[BATADV_ATTR_THROUGHPUT_OVERRIDE])
return NL_OK;
mbit = nla_get_u32(attrs[BATADV_ATTR_THROUGHPUT_OVERRIDE]);
printf("%u.%u MBit\n", mbit / 10, mbit % 10);
*result = 0;
return NL_STOP;
}
static int get_attrs_throughput_override(struct nl_msg *msg, void *arg)
{
struct state *state = arg;
nla_put_u32(msg, BATADV_ATTR_HARD_IFINDEX, state->hif);
return 0;
}
static int get_throughput_override(struct state *state)
{
return sys_simple_nlquery(state, BATADV_CMD_GET_HARDIF,
get_attrs_throughput_override,
print_throughput_override);
}
static int set_attrs_throughput_override(struct nl_msg *msg, void *arg)
{
struct state *state = arg;
struct settings_data *settings = state->cmd->arg;
struct throughput_override_data *data = settings->data;
nla_put_u32(msg, BATADV_ATTR_HARD_IFINDEX, state->hif);
nla_put_u32(msg, BATADV_ATTR_THROUGHPUT_OVERRIDE, data->throughput_override);
return 0;
}
static int set_throughput_override(struct state *state)
{
return sys_simple_nlquery(state, BATADV_CMD_SET_HARDIF,
set_attrs_throughput_override, NULL);
}
static struct settings_data batctl_settings_throughput_override = {
.data = &throughput_override,
.parse = parse_throughput_override,
.netlink_get = get_throughput_override,
.netlink_set = set_throughput_override,
};
COMMAND_NAMED(SUBCOMMAND_HIF, throughput_override, "to", handle_sys_setting,
COMMAND_FLAG_MESH_IFACE | COMMAND_FLAG_NETLINK,
&batctl_settings_throughput_override,
"[mbit] \tdisplay or modify throughput_override setting");
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