Alexander Aring | 1201cd2 | 2014-11-02 04:18:36 +0100 | [diff] [blame] | 1 | /* This program is free software; you can redistribute it and/or modify |
| 2 | * it under the terms of the GNU General Public License version 2 |
| 3 | * as published by the Free Software Foundation. |
| 4 | * |
| 5 | * This program is distributed in the hope that it will be useful, |
| 6 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 7 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 8 | * GNU General Public License for more details. |
| 9 | * |
| 10 | * Authors: |
| 11 | * Alexander Aring <aar@pengutronix.de> |
| 12 | * |
| 13 | * Based on: net/mac80211/cfg.c |
| 14 | */ |
| 15 | |
Alexander Aring | d5ae67b | 2014-11-05 20:51:17 +0100 | [diff] [blame] | 16 | #include <net/rtnetlink.h> |
Alexander Aring | 1201cd2 | 2014-11-02 04:18:36 +0100 | [diff] [blame] | 17 | #include <net/cfg802154.h> |
| 18 | |
Alexander Aring | 4a9a816 | 2014-11-02 04:18:38 +0100 | [diff] [blame] | 19 | #include "ieee802154_i.h" |
Alexander Aring | ab0bd56 | 2014-11-12 03:36:55 +0100 | [diff] [blame] | 20 | #include "driver-ops.h" |
Alexander Aring | fdd2068 | 2014-11-02 21:43:05 +0100 | [diff] [blame] | 21 | #include "cfg.h" |
Alexander Aring | 4a9a816 | 2014-11-02 04:18:38 +0100 | [diff] [blame] | 22 | |
| 23 | static struct net_device * |
| 24 | ieee802154_add_iface_deprecated(struct wpan_phy *wpan_phy, |
| 25 | const char *name, int type) |
| 26 | { |
Alexander Aring | 986a8ab | 2014-11-05 20:51:15 +0100 | [diff] [blame] | 27 | struct ieee802154_local *local = wpan_phy_priv(wpan_phy); |
Alexander Aring | d5ae67b | 2014-11-05 20:51:17 +0100 | [diff] [blame] | 28 | struct net_device *dev; |
Alexander Aring | 986a8ab | 2014-11-05 20:51:15 +0100 | [diff] [blame] | 29 | |
Alexander Aring | d5ae67b | 2014-11-05 20:51:17 +0100 | [diff] [blame] | 30 | rtnl_lock(); |
Alexander Aring | 0e57547 | 2014-11-17 08:20:52 +0100 | [diff] [blame] | 31 | dev = ieee802154_if_add(local, name, type, |
| 32 | cpu_to_le64(0x0000000000000000ULL)); |
Alexander Aring | d5ae67b | 2014-11-05 20:51:17 +0100 | [diff] [blame] | 33 | rtnl_unlock(); |
| 34 | |
| 35 | return dev; |
Alexander Aring | 4a9a816 | 2014-11-02 04:18:38 +0100 | [diff] [blame] | 36 | } |
| 37 | |
| 38 | static void ieee802154_del_iface_deprecated(struct wpan_phy *wpan_phy, |
| 39 | struct net_device *dev) |
| 40 | { |
Alexander Aring | b210b18 | 2014-11-05 20:51:14 +0100 | [diff] [blame] | 41 | struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); |
| 42 | |
| 43 | ieee802154_if_remove(sdata); |
Alexander Aring | 4a9a816 | 2014-11-02 04:18:38 +0100 | [diff] [blame] | 44 | } |
| 45 | |
Alexander Aring | ab0bd56 | 2014-11-12 03:36:55 +0100 | [diff] [blame] | 46 | static int |
Alexander Aring | f3ea5e4 | 2014-11-17 08:20:51 +0100 | [diff] [blame] | 47 | ieee802154_add_iface(struct wpan_phy *phy, const char *name, |
Alexander Aring | 0e57547 | 2014-11-17 08:20:52 +0100 | [diff] [blame] | 48 | enum nl802154_iftype type, __le64 extended_addr) |
Alexander Aring | f3ea5e4 | 2014-11-17 08:20:51 +0100 | [diff] [blame] | 49 | { |
| 50 | struct ieee802154_local *local = wpan_phy_priv(phy); |
| 51 | struct net_device *err; |
| 52 | |
Alexander Aring | 0e57547 | 2014-11-17 08:20:52 +0100 | [diff] [blame] | 53 | err = ieee802154_if_add(local, name, type, extended_addr); |
Alexander Aring | f3ea5e4 | 2014-11-17 08:20:51 +0100 | [diff] [blame] | 54 | if (IS_ERR(err)) |
| 55 | return PTR_ERR(err); |
| 56 | |
| 57 | return 0; |
| 58 | } |
| 59 | |
| 60 | static int |
Alexander Aring | b821ecd | 2014-11-17 08:20:53 +0100 | [diff] [blame] | 61 | ieee802154_del_iface(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev) |
| 62 | { |
| 63 | ieee802154_if_remove(IEEE802154_WPAN_DEV_TO_SUB_IF(wpan_dev)); |
| 64 | |
| 65 | return 0; |
| 66 | } |
| 67 | |
| 68 | static int |
Alexander Aring | 6d5fb87 | 2014-11-17 08:20:46 +0100 | [diff] [blame] | 69 | ieee802154_set_channel(struct wpan_phy *wpan_phy, u8 page, u8 channel) |
Alexander Aring | ab0bd56 | 2014-11-12 03:36:55 +0100 | [diff] [blame] | 70 | { |
| 71 | struct ieee802154_local *local = wpan_phy_priv(wpan_phy); |
| 72 | int ret; |
| 73 | |
| 74 | ASSERT_RTNL(); |
| 75 | |
| 76 | /* check if phy support this setting */ |
| 77 | if (!(wpan_phy->channels_supported[page] & BIT(channel))) |
| 78 | return -EINVAL; |
| 79 | |
| 80 | ret = drv_set_channel(local, page, channel); |
| 81 | if (!ret) { |
| 82 | wpan_phy->current_page = page; |
| 83 | wpan_phy->current_channel = channel; |
| 84 | } |
| 85 | |
| 86 | return ret; |
| 87 | } |
| 88 | |
Alexander Aring | 6d5fb87 | 2014-11-17 08:20:46 +0100 | [diff] [blame] | 89 | static int |
| 90 | ieee802154_set_pan_id(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, |
Alexander Aring | ee7b905 | 2014-11-17 08:20:55 +0100 | [diff] [blame^] | 91 | __le16 pan_id) |
Alexander Aring | 702bf37 | 2014-11-12 03:36:57 +0100 | [diff] [blame] | 92 | { |
| 93 | ASSERT_RTNL(); |
| 94 | |
| 95 | /* TODO |
| 96 | * I am not sure about to check here on broadcast pan_id. |
| 97 | * Broadcast is a valid setting, comment from 802.15.4: |
| 98 | * If this value is 0xffff, the device is not associated. |
| 99 | * |
| 100 | * This could useful to simple deassociate an device. |
| 101 | */ |
Alexander Aring | ee7b905 | 2014-11-17 08:20:55 +0100 | [diff] [blame^] | 102 | if (pan_id == cpu_to_le16(IEEE802154_PAN_ID_BROADCAST)) |
Alexander Aring | 702bf37 | 2014-11-12 03:36:57 +0100 | [diff] [blame] | 103 | return -EINVAL; |
| 104 | |
Alexander Aring | ee7b905 | 2014-11-17 08:20:55 +0100 | [diff] [blame^] | 105 | wpan_dev->pan_id = pan_id; |
Alexander Aring | 702bf37 | 2014-11-12 03:36:57 +0100 | [diff] [blame] | 106 | return 0; |
| 107 | } |
| 108 | |
Alexander Aring | 9830c62 | 2014-11-12 03:36:58 +0100 | [diff] [blame] | 109 | static int |
Alexander Aring | 656a999 | 2014-11-12 03:36:59 +0100 | [diff] [blame] | 110 | ieee802154_set_backoff_exponent(struct wpan_phy *wpan_phy, |
| 111 | struct wpan_dev *wpan_dev, |
Alexander Aring | 6d5fb87 | 2014-11-17 08:20:46 +0100 | [diff] [blame] | 112 | u8 min_be, u8 max_be) |
Alexander Aring | 656a999 | 2014-11-12 03:36:59 +0100 | [diff] [blame] | 113 | { |
| 114 | struct ieee802154_local *local = wpan_phy_priv(wpan_phy); |
| 115 | |
| 116 | ASSERT_RTNL(); |
| 117 | |
| 118 | if (!(local->hw.flags & IEEE802154_HW_CSMA_PARAMS)) |
| 119 | return -EOPNOTSUPP; |
| 120 | |
| 121 | wpan_dev->min_be = min_be; |
| 122 | wpan_dev->max_be = max_be; |
| 123 | return 0; |
| 124 | } |
| 125 | |
| 126 | static int |
Alexander Aring | 9830c62 | 2014-11-12 03:36:58 +0100 | [diff] [blame] | 127 | ieee802154_set_short_addr(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, |
Alexander Aring | ee7b905 | 2014-11-17 08:20:55 +0100 | [diff] [blame^] | 128 | __le16 short_addr) |
Alexander Aring | 9830c62 | 2014-11-12 03:36:58 +0100 | [diff] [blame] | 129 | { |
| 130 | ASSERT_RTNL(); |
| 131 | |
| 132 | /* TODO |
| 133 | * I am not sure about to check here on broadcast short_addr. |
| 134 | * Broadcast is a valid setting, comment from 802.15.4: |
| 135 | * A value of 0xfffe indicates that the device has |
| 136 | * associated but has not been allocated an address. A |
| 137 | * value of 0xffff indicates that the device does not |
| 138 | * have a short address. |
| 139 | * |
| 140 | * I think we should allow to set these settings but |
| 141 | * don't allow to allow socket communication with it. |
| 142 | */ |
Alexander Aring | ee7b905 | 2014-11-17 08:20:55 +0100 | [diff] [blame^] | 143 | if (short_addr == cpu_to_le16(IEEE802154_ADDR_SHORT_UNSPEC) || |
| 144 | short_addr == cpu_to_le16(IEEE802154_ADDR_SHORT_BROADCAST)) |
Alexander Aring | 9830c62 | 2014-11-12 03:36:58 +0100 | [diff] [blame] | 145 | return -EINVAL; |
| 146 | |
Alexander Aring | ee7b905 | 2014-11-17 08:20:55 +0100 | [diff] [blame^] | 147 | wpan_dev->short_addr = short_addr; |
Alexander Aring | 9830c62 | 2014-11-12 03:36:58 +0100 | [diff] [blame] | 148 | return 0; |
| 149 | } |
| 150 | |
Alexander Aring | 6d5fb87 | 2014-11-17 08:20:46 +0100 | [diff] [blame] | 151 | static int |
| 152 | ieee802154_set_max_csma_backoffs(struct wpan_phy *wpan_phy, |
| 153 | struct wpan_dev *wpan_dev, |
| 154 | u8 max_csma_backoffs) |
Alexander Aring | a01ba76 | 2014-11-12 03:37:01 +0100 | [diff] [blame] | 155 | { |
| 156 | struct ieee802154_local *local = wpan_phy_priv(wpan_phy); |
| 157 | |
| 158 | ASSERT_RTNL(); |
| 159 | |
| 160 | if (!(local->hw.flags & IEEE802154_HW_CSMA_PARAMS)) |
| 161 | return -EOPNOTSUPP; |
| 162 | |
| 163 | wpan_dev->csma_retries = max_csma_backoffs; |
| 164 | return 0; |
| 165 | } |
| 166 | |
Alexander Aring | 6d5fb87 | 2014-11-17 08:20:46 +0100 | [diff] [blame] | 167 | static int |
| 168 | ieee802154_set_max_frame_retries(struct wpan_phy *wpan_phy, |
| 169 | struct wpan_dev *wpan_dev, |
| 170 | s8 max_frame_retries) |
Alexander Aring | 17a3a46 | 2014-11-12 03:37:03 +0100 | [diff] [blame] | 171 | { |
| 172 | struct ieee802154_local *local = wpan_phy_priv(wpan_phy); |
| 173 | |
| 174 | ASSERT_RTNL(); |
| 175 | |
| 176 | if (!(local->hw.flags & IEEE802154_HW_FRAME_RETRIES)) |
| 177 | return -EOPNOTSUPP; |
| 178 | |
| 179 | wpan_dev->frame_retries = max_frame_retries; |
| 180 | return 0; |
| 181 | } |
| 182 | |
Alexander Aring | 6d5fb87 | 2014-11-17 08:20:46 +0100 | [diff] [blame] | 183 | static int |
| 184 | ieee802154_set_lbt_mode(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, |
| 185 | bool mode) |
Alexander Aring | c8937a1d | 2014-11-12 03:37:05 +0100 | [diff] [blame] | 186 | { |
| 187 | struct ieee802154_local *local = wpan_phy_priv(wpan_phy); |
| 188 | |
| 189 | ASSERT_RTNL(); |
| 190 | |
| 191 | if (!(local->hw.flags & IEEE802154_HW_LBT)) |
| 192 | return -EOPNOTSUPP; |
| 193 | |
| 194 | wpan_dev->lbt = mode; |
| 195 | return 0; |
| 196 | } |
| 197 | |
Alexander Aring | 1201cd2 | 2014-11-02 04:18:36 +0100 | [diff] [blame] | 198 | const struct cfg802154_ops mac802154_config_ops = { |
Alexander Aring | 4a9a816 | 2014-11-02 04:18:38 +0100 | [diff] [blame] | 199 | .add_virtual_intf_deprecated = ieee802154_add_iface_deprecated, |
| 200 | .del_virtual_intf_deprecated = ieee802154_del_iface_deprecated, |
Alexander Aring | f3ea5e4 | 2014-11-17 08:20:51 +0100 | [diff] [blame] | 201 | .add_virtual_intf = ieee802154_add_iface, |
Alexander Aring | b821ecd | 2014-11-17 08:20:53 +0100 | [diff] [blame] | 202 | .del_virtual_intf = ieee802154_del_iface, |
Alexander Aring | ab0bd56 | 2014-11-12 03:36:55 +0100 | [diff] [blame] | 203 | .set_channel = ieee802154_set_channel, |
Alexander Aring | 702bf37 | 2014-11-12 03:36:57 +0100 | [diff] [blame] | 204 | .set_pan_id = ieee802154_set_pan_id, |
Alexander Aring | 9830c62 | 2014-11-12 03:36:58 +0100 | [diff] [blame] | 205 | .set_short_addr = ieee802154_set_short_addr, |
Alexander Aring | 656a999 | 2014-11-12 03:36:59 +0100 | [diff] [blame] | 206 | .set_backoff_exponent = ieee802154_set_backoff_exponent, |
Alexander Aring | a01ba76 | 2014-11-12 03:37:01 +0100 | [diff] [blame] | 207 | .set_max_csma_backoffs = ieee802154_set_max_csma_backoffs, |
Alexander Aring | 17a3a46 | 2014-11-12 03:37:03 +0100 | [diff] [blame] | 208 | .set_max_frame_retries = ieee802154_set_max_frame_retries, |
Alexander Aring | c8937a1d | 2014-11-12 03:37:05 +0100 | [diff] [blame] | 209 | .set_lbt_mode = ieee802154_set_lbt_mode, |
Alexander Aring | 1201cd2 | 2014-11-02 04:18:36 +0100 | [diff] [blame] | 210 | }; |