Files
usteer/netifd.c
Felix Fietkau d10731f806 usteer: Initial import
Signed-off-by: Felix Fietkau <nbd@nbd.name>
2020-11-12 15:37:10 +01:00

155 lines
4.0 KiB
C

/*
* 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.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*
* Copyright (C) 2020 embedd.ch
* Copyright (C) 2020 Felix Fietkau <nbd@nbd.name>
* Copyright (C) 2020 John Crispin <john@phrozen.org>
*/
#include "usteer.h"
#include "node.h"
static struct blob_buf b;
static void
netifd_parse_interface_config(struct usteer_local_node *ln, struct blob_attr *msg)
{
static const struct blobmsg_policy policy = {
.name = "maxassoc",
.type = BLOBMSG_TYPE_INT32,
};
struct blob_attr *cur;
int val = 0;
blobmsg_parse(&policy, 1, &cur, blobmsg_data(msg), blobmsg_data_len(msg));
if (cur)
val = blobmsg_get_u32(cur);
ln->node.max_assoc = val;
ln->netifd.status_complete = true;
}
static void
netifd_parse_interface(struct usteer_local_node *ln, struct blob_attr *msg)
{
enum {
N_IF_CONFIG,
N_IF_NAME,
__N_IF_MAX
};
static const struct blobmsg_policy policy[__N_IF_MAX] = {
[N_IF_CONFIG] = { .name = "config", .type = BLOBMSG_TYPE_TABLE },
[N_IF_NAME] = { .name = "ifname", .type = BLOBMSG_TYPE_STRING },
};
struct blob_attr *tb[__N_IF_MAX];
if (blobmsg_type(msg) != BLOBMSG_TYPE_TABLE)
return;
blobmsg_parse(policy, __N_IF_MAX, tb, blobmsg_data(msg), blobmsg_data_len(msg));
if (!tb[N_IF_CONFIG] || !tb[N_IF_NAME])
return;
if (strcmp(blobmsg_get_string(tb[N_IF_NAME]), ln->iface) != 0)
return;
netifd_parse_interface_config(ln, tb[N_IF_CONFIG]);
}
static void
netifd_parse_radio(struct usteer_local_node *ln, struct blob_attr *msg)
{
static const struct blobmsg_policy policy = {
.name = "interfaces",
.type = BLOBMSG_TYPE_ARRAY,
};
struct blob_attr *cur, *iface;
int rem;
if (blobmsg_type(msg) != BLOBMSG_TYPE_TABLE)
return;
blobmsg_parse(&policy, 1, &iface, blobmsg_data(msg), blobmsg_data_len(msg));
if (!iface)
return;
blobmsg_for_each_attr(cur, iface, rem)
netifd_parse_interface(ln, cur);
}
static void
netifd_status_cb(struct ubus_request *req, int type, struct blob_attr *msg)
{
struct usteer_local_node *ln;
struct blob_attr *cur;
int rem;
ln = container_of(req, struct usteer_local_node, netifd.req);
ln->netifd.req_pending = false;
blobmsg_for_each_attr(cur, msg, rem)
netifd_parse_radio(ln, cur);
}
static void netifd_update_node(struct usteer_node *node)
{
struct usteer_local_node *ln;
uint32_t id;
ln = container_of(node, struct usteer_local_node, node);
if (ln->netifd.status_complete)
return;
if (ln->netifd.req_pending)
ubus_abort_request(ubus_ctx, &ln->netifd.req);
if (ubus_lookup_id(ubus_ctx, "network.wireless", &id))
return;
blob_buf_init(&b, 0);
ubus_invoke_async(ubus_ctx, id, "status", b.head, &ln->netifd.req);
ln->netifd.req.data_cb = netifd_status_cb;
ubus_complete_request_async(ubus_ctx, &ln->netifd.req);
ln->netifd.req_pending = true;
}
static void netifd_init_node(struct usteer_node *node)
{
struct usteer_local_node *ln;
ln = container_of(node, struct usteer_local_node, node);
ln->netifd.status_complete = false;
netifd_update_node(node);
}
static void netifd_free_node(struct usteer_node *node)
{
struct usteer_local_node *ln;
ln = container_of(node, struct usteer_local_node, node);
if (ln->netifd.req_pending)
ubus_abort_request(ubus_ctx, &ln->netifd.req);
}
static struct usteer_node_handler netifd_handler = {
.init_node = netifd_init_node,
.update_node = netifd_update_node,
.free_node = netifd_free_node,
};
static void __usteer_init usteer_netifd_init(void)
{
list_add(&netifd_handler.list, &node_handlers);
}