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cellular_driver_l3ip.h
1 /*
2  * Copyright (c) 2019 ARM Limited
3  * SPDX-License-Identifier: Apache-2.0
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17 
18 #ifndef CELLULAR_DRIVER_L3IP_H_
19 #define CELLULAR_DRIVER_L3IP_H_
20 
21 #include "L3IP.h"
22 
23 
24 class Cellular_driver_L3IP : public L3IP {
25 public:
27 
28  static Cellular_driver_L3IP &get_instance();
29 
30  /**
31  * Return maximum transmission unit
32  *
33  * @return MTU in bytes
34  */
35  virtual uint32_t get_mtu_size() const;
36 
37  /**
38  * Gets memory buffer alignment preference
39  *
40  * Gets preferred memory buffer alignment of the cellular device.
41  * @return Memory alignment requirement in bytes
42  */
43  virtual uint32_t get_align_preference() const;
44 
45  /**
46  * Return interface name
47  *
48  * @param name Pointer to where the name should be written
49  * @param size Maximum number of characters to copy
50  */
51  virtual void get_ifname(char *name, uint8_t size) const;
52 
53  /**
54  * Sends the packet over the link
55  *
56  * That cannot be called from an interrupt context.
57  *
58  * @param buf Packet to be sent
59  * @return True if the packet was sent, false otherwise
60  */
61  virtual bool link_out(net_stack_mem_buf_t *buf);
62 
63  /**
64  * Initializes the hardware
65  *
66  * @return True on success, False in case of an error.
67  */
68  virtual bool power_up();
69 
70  /**
71  * Deinitializes the hardware
72  *
73  */
74  virtual void power_down();
75 
76  /**
77  * Sets a callback that needs to be called for packets received for that interface
78  *
79  * @param input_cb Function to be register as a callback
80  */
81  virtual void set_link_input_cb(l3ip_link_input_cb_t input_cb);
82 
83  /**
84  * Sets a callback that needs to be called on link status changes for given interface
85  *
86  * @param state_cb Function to be register as a callback
87  */
88  virtual void set_link_state_cb(l3ip_link_state_change_cb_t state_cb);
89 
90  /** Add device to an IP4 multicast group
91  *
92  * @param address an IP4 multicast group address
93  */
94  virtual void add_ipv4_multicast_group(const SocketAddress &address);
95 
96  /** Add device to an IP6 multicast group
97  *
98  * @param address an IP6 multicast group address
99  */
100  virtual void add_ipv6_multicast_group(const SocketAddress &address);
101 
102  /** Remove device from an IPV4 multicast group
103  *
104  * @param address An IPV4 multicast group address
105  */
106  virtual void remove_ipv4_multicast_group(const SocketAddress &address);
107 
108  /** Remove device from an IPV6 multicast group
109  *
110  * @param address An IPV6 multicast group address
111  */
112  virtual void remove_ipv6_multicast_group(const SocketAddress &address);
113 
114  /** Request reception of all multicast packets
115  *
116  * @param all True to receive all multicasts
117  * False to receive only multicasts addressed to specified groups
118  */
119  virtual void set_all_multicast(bool all);
120 
121  /** Sets memory manager that is used to handle memory buffers
122  *
123  * @param mem_mngr Pointer to memory manager
124  */
125  virtual void set_memory_manager(NetStackMemoryManager &mem_mngr);
126 
127 private:
128 
129  l3ip_link_input_cb_t l3ip_link_input_cb; /**< Callback for incoming data */
130  l3ip_link_state_change_cb_t l3ip_link_state_cb; /**< Link state change callback */
131  NetStackMemoryManager *memory_manager; /**< Memory manager */
132 
133 };
134 
135 #endif /* CELLULAR_DRIVER_L3IP_H_ */
virtual void set_all_multicast(bool all)
Request reception of all multicast packets.
virtual bool link_out(net_stack_mem_buf_t *buf)
Sends the packet over the link.
virtual bool power_up()
Initializes the hardware.
virtual void remove_ipv4_multicast_group(const SocketAddress &address)
Remove device from an IPV4 multicast group.
virtual void get_ifname(char *name, uint8_t size) const
Return interface name.
virtual void add_ipv6_multicast_group(const SocketAddress &address)
Add device to an IP6 multicast group.
virtual void add_ipv4_multicast_group(const SocketAddress &address)
Add device to an IP4 multicast group.
This interface should be used to abstract low level access to networking hardware All operations rece...
Definition: L3IP.h:31
SocketAddress class.
Definition: SocketAddress.h:37
virtual uint32_t get_align_preference() const
Gets memory buffer alignment preference.
virtual void set_memory_manager(NetStackMemoryManager &mem_mngr)
Sets memory manager that is used to handle memory buffers.
virtual void power_down()
Deinitializes the hardware.
virtual void set_link_input_cb(l3ip_link_input_cb_t input_cb)
Sets a callback that needs to be called for packets received for that interface.
virtual void remove_ipv6_multicast_group(const SocketAddress &address)
Remove device from an IPV6 multicast group.
virtual uint32_t get_mtu_size() const
Return maximum transmission unit.
mbed::Callback< void(net_stack_mem_buf_t *buf)> l3ip_link_input_cb_t
Callback to be registered with L3IP interface and to be called for received packets.
Definition: L3IP.h:47
virtual void set_link_state_cb(l3ip_link_state_change_cb_t state_cb)
Sets a callback that needs to be called on link status changes for given interface.
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