diff options
Diffstat (limited to 'kernel/net/mac802154/mac_cmd.c')
| -rw-r--r-- | kernel/net/mac802154/mac_cmd.c | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/kernel/net/mac802154/mac_cmd.c b/kernel/net/mac802154/mac_cmd.c new file mode 100644 index 000000000..bdccb4ecd --- /dev/null +++ b/kernel/net/mac802154/mac_cmd.c @@ -0,0 +1,162 @@ +/* + * 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 <slapin@ossfans.org> + * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> + * Alexander Smirnov <alex.bluesman.smirnov@gmail.com> + */ + +#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_mlme_ops *ops = ieee802154_mlme_ops(dev); + int rc = 0; + + ASSERT_RTNL(); + + BUG_ON(addr->mode != IEEE802154_ADDR_SHORT); + + mac802154_dev_set_pan_id(dev, addr->pan_id); + mac802154_dev_set_short_addr(dev, addr->short_addr); + mac802154_dev_set_page_channel(dev, page, channel); + + if (ops->llsec) { + struct ieee802154_llsec_params params; + int changed = 0; + + params.coord_shortaddr = addr->short_addr; + changed |= IEEE802154_LLSEC_PARAM_COORD_SHORTADDR; + + 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; + + rc = ops->llsec->set_params(dev, ¶ms, changed); + } + + return rc; +} + +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.flags & IEEE802154_HW_TXPOWER) { + ret = drv_set_tx_power(local, params->transmit_power); + if (ret < 0) + return ret; + } + + if (local->hw.flags & IEEE802154_HW_CCA_MODE) { + ret = drv_set_cca_mode(local, ¶ms->cca); + if (ret < 0) + return ret; + } + + if (local->hw.flags & IEEE802154_HW_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 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, + .get_pan_id = mac802154_dev_get_pan_id, + .get_short_addr = mac802154_dev_get_short_addr, + .get_dsn = mac802154_dev_get_dsn, + + .llsec = &mac802154_llsec_ops, + + .set_mac_params = mac802154_set_mac_params, + .get_mac_params = mac802154_get_mac_params, +}; |