| 1 | /* |
| 2 | * MAC commands interface |
| 3 | * |
| 4 | * Copyright 2007-2012 Siemens AG |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License version 2 |
| 8 | * as published by the Free Software Foundation. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * Written by: |
| 16 | * Sergey Lapin <slapin@ossfans.org> |
| 17 | * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> |
| 18 | * Alexander Smirnov <alex.bluesman.smirnov@gmail.com> |
| 19 | */ |
| 20 | |
| 21 | #include <linux/skbuff.h> |
| 22 | #include <linux/if_arp.h> |
| 23 | #include <linux/ieee802154.h> |
| 24 | |
| 25 | #include <net/ieee802154_netdev.h> |
| 26 | #include <net/cfg802154.h> |
| 27 | #include <net/mac802154.h> |
| 28 | |
| 29 | #include "ieee802154_i.h" |
| 30 | #include "driver-ops.h" |
| 31 | |
| 32 | static int mac802154_mlme_start_req(struct net_device *dev, |
| 33 | struct ieee802154_addr *addr, |
| 34 | u8 channel, u8 page, |
| 35 | u8 bcn_ord, u8 sf_ord, |
| 36 | u8 pan_coord, u8 blx, |
| 37 | u8 coord_realign) |
| 38 | { |
| 39 | struct ieee802154_llsec_params params; |
| 40 | int changed = 0; |
| 41 | |
| 42 | ASSERT_RTNL(); |
| 43 | |
| 44 | BUG_ON(addr->mode != IEEE802154_ADDR_SHORT); |
| 45 | |
| 46 | dev->ieee802154_ptr->pan_id = addr->pan_id; |
| 47 | dev->ieee802154_ptr->short_addr = addr->short_addr; |
| 48 | mac802154_dev_set_page_channel(dev, page, channel); |
| 49 | |
| 50 | params.pan_id = addr->pan_id; |
| 51 | changed |= IEEE802154_LLSEC_PARAM_PAN_ID; |
| 52 | |
| 53 | params.hwaddr = ieee802154_devaddr_from_raw(dev->dev_addr); |
| 54 | changed |= IEEE802154_LLSEC_PARAM_HWADDR; |
| 55 | |
| 56 | params.coord_hwaddr = params.hwaddr; |
| 57 | changed |= IEEE802154_LLSEC_PARAM_COORD_HWADDR; |
| 58 | |
| 59 | params.coord_shortaddr = addr->short_addr; |
| 60 | changed |= IEEE802154_LLSEC_PARAM_COORD_SHORTADDR; |
| 61 | |
| 62 | return mac802154_set_params(dev, ¶ms, changed); |
| 63 | } |
| 64 | |
| 65 | static int mac802154_set_mac_params(struct net_device *dev, |
| 66 | const struct ieee802154_mac_params *params) |
| 67 | { |
| 68 | struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); |
| 69 | struct ieee802154_local *local = sdata->local; |
| 70 | struct wpan_dev *wpan_dev = &sdata->wpan_dev; |
| 71 | int ret; |
| 72 | |
| 73 | ASSERT_RTNL(); |
| 74 | |
| 75 | /* PHY */ |
| 76 | wpan_dev->wpan_phy->transmit_power = params->transmit_power; |
| 77 | wpan_dev->wpan_phy->cca = params->cca; |
| 78 | wpan_dev->wpan_phy->cca_ed_level = params->cca_ed_level; |
| 79 | |
| 80 | /* MAC */ |
| 81 | wpan_dev->min_be = params->min_be; |
| 82 | wpan_dev->max_be = params->max_be; |
| 83 | wpan_dev->csma_retries = params->csma_retries; |
| 84 | wpan_dev->frame_retries = params->frame_retries; |
| 85 | wpan_dev->lbt = params->lbt; |
| 86 | |
| 87 | if (local->hw.phy->flags & WPAN_PHY_FLAG_TXPOWER) { |
| 88 | ret = drv_set_tx_power(local, params->transmit_power); |
| 89 | if (ret < 0) |
| 90 | return ret; |
| 91 | } |
| 92 | |
| 93 | if (local->hw.phy->flags & WPAN_PHY_FLAG_CCA_MODE) { |
| 94 | ret = drv_set_cca_mode(local, ¶ms->cca); |
| 95 | if (ret < 0) |
| 96 | return ret; |
| 97 | } |
| 98 | |
| 99 | if (local->hw.phy->flags & WPAN_PHY_FLAG_CCA_ED_LEVEL) { |
| 100 | ret = drv_set_cca_ed_level(local, params->cca_ed_level); |
| 101 | if (ret < 0) |
| 102 | return ret; |
| 103 | } |
| 104 | |
| 105 | return 0; |
| 106 | } |
| 107 | |
| 108 | static void mac802154_get_mac_params(struct net_device *dev, |
| 109 | struct ieee802154_mac_params *params) |
| 110 | { |
| 111 | struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); |
| 112 | struct wpan_dev *wpan_dev = &sdata->wpan_dev; |
| 113 | |
| 114 | ASSERT_RTNL(); |
| 115 | |
| 116 | /* PHY */ |
| 117 | params->transmit_power = wpan_dev->wpan_phy->transmit_power; |
| 118 | params->cca = wpan_dev->wpan_phy->cca; |
| 119 | params->cca_ed_level = wpan_dev->wpan_phy->cca_ed_level; |
| 120 | |
| 121 | /* MAC */ |
| 122 | params->min_be = wpan_dev->min_be; |
| 123 | params->max_be = wpan_dev->max_be; |
| 124 | params->csma_retries = wpan_dev->csma_retries; |
| 125 | params->frame_retries = wpan_dev->frame_retries; |
| 126 | params->lbt = wpan_dev->lbt; |
| 127 | } |
| 128 | |
| 129 | static const struct ieee802154_llsec_ops mac802154_llsec_ops = { |
| 130 | .get_params = mac802154_get_params, |
| 131 | .set_params = mac802154_set_params, |
| 132 | .add_key = mac802154_add_key, |
| 133 | .del_key = mac802154_del_key, |
| 134 | .add_dev = mac802154_add_dev, |
| 135 | .del_dev = mac802154_del_dev, |
| 136 | .add_devkey = mac802154_add_devkey, |
| 137 | .del_devkey = mac802154_del_devkey, |
| 138 | .add_seclevel = mac802154_add_seclevel, |
| 139 | .del_seclevel = mac802154_del_seclevel, |
| 140 | .lock_table = mac802154_lock_table, |
| 141 | .get_table = mac802154_get_table, |
| 142 | .unlock_table = mac802154_unlock_table, |
| 143 | }; |
| 144 | |
| 145 | struct ieee802154_mlme_ops mac802154_mlme_wpan = { |
| 146 | .start_req = mac802154_mlme_start_req, |
| 147 | |
| 148 | .llsec = &mac802154_llsec_ops, |
| 149 | |
| 150 | .set_mac_params = mac802154_set_mac_params, |
| 151 | .get_mac_params = mac802154_get_mac_params, |
| 152 | }; |