1 /*
2 * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without modification,
5 * are permitted provided that the following conditions are met:
6 *
7 * 1. Redistributions of source code must retain the above copyright notice, this list of
8 * conditions and the following disclaimer.
9 *
10 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
11 * of conditions and the following disclaimer in the documentation and/or other materials
12 * provided with the distribution.
13 *
14 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
15 * to endorse or promote products derived from this software without specific prior written
16 * permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
20 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
22 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
23 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
24 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
25 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
26 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
27 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
28 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30 #ifdef LOSCFG_NET_CONTAINER
31 #include "lwip/net_group.h"
32 #include "lwip/netif.h"
33
34 static struct netif root_loop_netif = {0};
35 static struct net_group root_net_group = {
36 .loop_netif = &root_loop_netif,
37 };
38
get_root_net_group(void)39 struct net_group *get_root_net_group(void)
40 {
41 return &root_net_group;
42 }
43
get_curr_process_net_group(void)44 struct net_group *get_curr_process_net_group(void)
45 {
46 return get_default_net_group_ops()->get_curr_process_net_group();
47 }
48
do_set_netif_net_group(struct netif * netif,struct net_group * group)49 static void do_set_netif_net_group(struct netif *netif, struct net_group *group)
50 {
51 (void)netif;
52 (void)group;
53 }
54
do_get_net_group_from_netif(struct netif * netif)55 static struct net_group *do_get_net_group_from_netif(struct netif *netif)
56 {
57 (void)netif;
58 return get_root_net_group();
59 }
60
do_set_ippcb_net_group(struct ip_pcb * pcb,struct net_group * group)61 static void do_set_ippcb_net_group(struct ip_pcb *pcb, struct net_group *group)
62 {
63 (void)pcb;
64 (void)group;
65 }
66
do_get_net_group_from_ippcb(struct ip_pcb * pcb)67 static struct net_group *do_get_net_group_from_ippcb(struct ip_pcb *pcb)
68 {
69 (void)pcb;
70 return get_root_net_group();
71 }
72
73 static struct net_group_ops root_net_group_ops = {
74 .get_curr_process_net_group = get_root_net_group,
75 .set_netif_net_group = do_set_netif_net_group,
76 .get_net_group_from_netif = do_get_net_group_from_netif,
77 .set_ippcb_net_group = do_set_ippcb_net_group,
78 .get_net_group_from_ippcb = do_get_net_group_from_ippcb,
79 };
80
81 struct net_group_ops *default_net_group_ops = &root_net_group_ops;
82
set_default_net_group_ops(struct net_group_ops * ops)83 void set_default_net_group_ops(struct net_group_ops *ops) {
84 default_net_group_ops = ops;
85 }
86
get_default_net_group_ops(void)87 struct net_group_ops *get_default_net_group_ops(void) {
88 return default_net_group_ops;
89 }
90 #endif
91