155 lines
4.0 KiB
C
155 lines
4.0 KiB
C
/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
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*
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* Copyright (C) 2020 embedd.ch
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* Copyright (C) 2020 Felix Fietkau <nbd@nbd.name>
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* Copyright (C) 2020 John Crispin <john@phrozen.org>
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*/
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#include "usteer.h"
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#include "node.h"
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static struct blob_buf b;
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static void
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netifd_parse_interface_config(struct usteer_local_node *ln, struct blob_attr *msg)
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{
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static const struct blobmsg_policy policy = {
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.name = "maxassoc",
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.type = BLOBMSG_TYPE_INT32,
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};
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struct blob_attr *cur;
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int val = 0;
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blobmsg_parse(&policy, 1, &cur, blobmsg_data(msg), blobmsg_data_len(msg));
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if (cur)
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val = blobmsg_get_u32(cur);
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ln->node.max_assoc = val;
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ln->netifd.status_complete = true;
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}
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static void
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netifd_parse_interface(struct usteer_local_node *ln, struct blob_attr *msg)
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{
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enum {
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N_IF_CONFIG,
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N_IF_NAME,
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__N_IF_MAX
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};
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static const struct blobmsg_policy policy[__N_IF_MAX] = {
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[N_IF_CONFIG] = { .name = "config", .type = BLOBMSG_TYPE_TABLE },
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[N_IF_NAME] = { .name = "ifname", .type = BLOBMSG_TYPE_STRING },
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};
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struct blob_attr *tb[__N_IF_MAX];
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if (blobmsg_type(msg) != BLOBMSG_TYPE_TABLE)
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return;
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blobmsg_parse(policy, __N_IF_MAX, tb, blobmsg_data(msg), blobmsg_data_len(msg));
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if (!tb[N_IF_CONFIG] || !tb[N_IF_NAME])
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return;
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if (strcmp(blobmsg_get_string(tb[N_IF_NAME]), ln->iface) != 0)
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return;
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netifd_parse_interface_config(ln, tb[N_IF_CONFIG]);
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}
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static void
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netifd_parse_radio(struct usteer_local_node *ln, struct blob_attr *msg)
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{
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static const struct blobmsg_policy policy = {
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.name = "interfaces",
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.type = BLOBMSG_TYPE_ARRAY,
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};
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struct blob_attr *cur, *iface;
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int rem;
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if (blobmsg_type(msg) != BLOBMSG_TYPE_TABLE)
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return;
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blobmsg_parse(&policy, 1, &iface, blobmsg_data(msg), blobmsg_data_len(msg));
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if (!iface)
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return;
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blobmsg_for_each_attr(cur, iface, rem)
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netifd_parse_interface(ln, cur);
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}
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static void
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netifd_status_cb(struct ubus_request *req, int type, struct blob_attr *msg)
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{
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struct usteer_local_node *ln;
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struct blob_attr *cur;
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int rem;
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ln = container_of(req, struct usteer_local_node, netifd.req);
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ln->netifd.req_pending = false;
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blobmsg_for_each_attr(cur, msg, rem)
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netifd_parse_radio(ln, cur);
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}
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static void netifd_update_node(struct usteer_node *node)
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{
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struct usteer_local_node *ln;
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uint32_t id;
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ln = container_of(node, struct usteer_local_node, node);
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if (ln->netifd.status_complete)
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return;
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if (ln->netifd.req_pending)
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ubus_abort_request(ubus_ctx, &ln->netifd.req);
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if (ubus_lookup_id(ubus_ctx, "network.wireless", &id))
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return;
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blob_buf_init(&b, 0);
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ubus_invoke_async(ubus_ctx, id, "status", b.head, &ln->netifd.req);
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ln->netifd.req.data_cb = netifd_status_cb;
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ubus_complete_request_async(ubus_ctx, &ln->netifd.req);
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ln->netifd.req_pending = true;
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}
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static void netifd_init_node(struct usteer_node *node)
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{
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struct usteer_local_node *ln;
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ln = container_of(node, struct usteer_local_node, node);
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ln->netifd.status_complete = false;
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netifd_update_node(node);
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}
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static void netifd_free_node(struct usteer_node *node)
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{
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struct usteer_local_node *ln;
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ln = container_of(node, struct usteer_local_node, node);
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if (ln->netifd.req_pending)
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ubus_abort_request(ubus_ctx, &ln->netifd.req);
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}
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static struct usteer_node_handler netifd_handler = {
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.init_node = netifd_init_node,
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.update_node = netifd_update_node,
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.free_node = netifd_free_node,
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};
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static void __usteer_init usteer_netifd_init(void)
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{
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list_add(&netifd_handler.list, &node_handlers);
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}
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