forked from torvalds/linux
-
Notifications
You must be signed in to change notification settings - Fork 1
/
mac_cmd.c
152 lines (124 loc) · 4.23 KB
/
mac_cmd.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
/*
* MAC commands interface
*
* Copyright 2007-2012 Siemens AG
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
*
* 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.
*
* Written by:
* Sergey Lapin <[email protected]>
* Dmitry Eremin-Solenikov <[email protected]>
* Alexander Smirnov <[email protected]>
*/
#include <linux/skbuff.h>
#include <linux/if_arp.h>
#include <linux/ieee802154.h>
#include <net/ieee802154_netdev.h>
#include <net/cfg802154.h>
#include <net/mac802154.h>
#include "ieee802154_i.h"
#include "driver-ops.h"
static int mac802154_mlme_start_req(struct net_device *dev,
struct ieee802154_addr *addr,
u8 channel, u8 page,
u8 bcn_ord, u8 sf_ord,
u8 pan_coord, u8 blx,
u8 coord_realign)
{
struct ieee802154_llsec_params params;
int changed = 0;
ASSERT_RTNL();
BUG_ON(addr->mode != IEEE802154_ADDR_SHORT);
dev->ieee802154_ptr->pan_id = addr->pan_id;
dev->ieee802154_ptr->short_addr = addr->short_addr;
mac802154_dev_set_page_channel(dev, page, channel);
params.pan_id = addr->pan_id;
changed |= IEEE802154_LLSEC_PARAM_PAN_ID;
params.hwaddr = ieee802154_devaddr_from_raw(dev->dev_addr);
changed |= IEEE802154_LLSEC_PARAM_HWADDR;
params.coord_hwaddr = params.hwaddr;
changed |= IEEE802154_LLSEC_PARAM_COORD_HWADDR;
params.coord_shortaddr = addr->short_addr;
changed |= IEEE802154_LLSEC_PARAM_COORD_SHORTADDR;
return mac802154_set_params(dev, ¶ms, changed);
}
static int mac802154_set_mac_params(struct net_device *dev,
const struct ieee802154_mac_params *params)
{
struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
struct ieee802154_local *local = sdata->local;
struct wpan_dev *wpan_dev = &sdata->wpan_dev;
int ret;
ASSERT_RTNL();
/* PHY */
wpan_dev->wpan_phy->transmit_power = params->transmit_power;
wpan_dev->wpan_phy->cca = params->cca;
wpan_dev->wpan_phy->cca_ed_level = params->cca_ed_level;
/* MAC */
wpan_dev->min_be = params->min_be;
wpan_dev->max_be = params->max_be;
wpan_dev->csma_retries = params->csma_retries;
wpan_dev->frame_retries = params->frame_retries;
wpan_dev->lbt = params->lbt;
if (local->hw.phy->flags & WPAN_PHY_FLAG_TXPOWER) {
ret = drv_set_tx_power(local, params->transmit_power);
if (ret < 0)
return ret;
}
if (local->hw.phy->flags & WPAN_PHY_FLAG_CCA_MODE) {
ret = drv_set_cca_mode(local, ¶ms->cca);
if (ret < 0)
return ret;
}
if (local->hw.phy->flags & WPAN_PHY_FLAG_CCA_ED_LEVEL) {
ret = drv_set_cca_ed_level(local, params->cca_ed_level);
if (ret < 0)
return ret;
}
return 0;
}
static void mac802154_get_mac_params(struct net_device *dev,
struct ieee802154_mac_params *params)
{
struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
struct wpan_dev *wpan_dev = &sdata->wpan_dev;
ASSERT_RTNL();
/* PHY */
params->transmit_power = wpan_dev->wpan_phy->transmit_power;
params->cca = wpan_dev->wpan_phy->cca;
params->cca_ed_level = wpan_dev->wpan_phy->cca_ed_level;
/* MAC */
params->min_be = wpan_dev->min_be;
params->max_be = wpan_dev->max_be;
params->csma_retries = wpan_dev->csma_retries;
params->frame_retries = wpan_dev->frame_retries;
params->lbt = wpan_dev->lbt;
}
static const struct ieee802154_llsec_ops mac802154_llsec_ops = {
.get_params = mac802154_get_params,
.set_params = mac802154_set_params,
.add_key = mac802154_add_key,
.del_key = mac802154_del_key,
.add_dev = mac802154_add_dev,
.del_dev = mac802154_del_dev,
.add_devkey = mac802154_add_devkey,
.del_devkey = mac802154_del_devkey,
.add_seclevel = mac802154_add_seclevel,
.del_seclevel = mac802154_del_seclevel,
.lock_table = mac802154_lock_table,
.get_table = mac802154_get_table,
.unlock_table = mac802154_unlock_table,
};
struct ieee802154_mlme_ops mac802154_mlme_wpan = {
.start_req = mac802154_mlme_start_req,
.llsec = &mac802154_llsec_ops,
.set_mac_params = mac802154_set_mac_params,
.get_mac_params = mac802154_get_mac_params,
};