29663b0cc1
The ieee802154_llsec_ops structure is never modified, so declare it as const. Done with the help of Coccinelle. Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Acked-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
152 lines
4.2 KiB
C
152 lines
4.2 KiB
C
/*
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* MAC commands interface
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*
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* Copyright 2007-2012 Siemens AG
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* Written by:
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* Sergey Lapin <slapin@ossfans.org>
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* Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
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* Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
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*/
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#include <linux/skbuff.h>
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#include <linux/if_arp.h>
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#include <linux/ieee802154.h>
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#include <net/ieee802154_netdev.h>
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#include <net/cfg802154.h>
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#include <net/mac802154.h>
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#include "ieee802154_i.h"
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#include "driver-ops.h"
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static int mac802154_mlme_start_req(struct net_device *dev,
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struct ieee802154_addr *addr,
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u8 channel, u8 page,
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u8 bcn_ord, u8 sf_ord,
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u8 pan_coord, u8 blx,
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u8 coord_realign)
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{
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struct ieee802154_llsec_params params;
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int changed = 0;
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ASSERT_RTNL();
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BUG_ON(addr->mode != IEEE802154_ADDR_SHORT);
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dev->ieee802154_ptr->pan_id = addr->pan_id;
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dev->ieee802154_ptr->short_addr = addr->short_addr;
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mac802154_dev_set_page_channel(dev, page, channel);
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params.pan_id = addr->pan_id;
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changed |= IEEE802154_LLSEC_PARAM_PAN_ID;
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params.hwaddr = ieee802154_devaddr_from_raw(dev->dev_addr);
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changed |= IEEE802154_LLSEC_PARAM_HWADDR;
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params.coord_hwaddr = params.hwaddr;
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changed |= IEEE802154_LLSEC_PARAM_COORD_HWADDR;
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params.coord_shortaddr = addr->short_addr;
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changed |= IEEE802154_LLSEC_PARAM_COORD_SHORTADDR;
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return mac802154_set_params(dev, ¶ms, changed);
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}
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static int mac802154_set_mac_params(struct net_device *dev,
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const struct ieee802154_mac_params *params)
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{
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struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
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struct ieee802154_local *local = sdata->local;
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struct wpan_dev *wpan_dev = &sdata->wpan_dev;
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int ret;
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ASSERT_RTNL();
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/* PHY */
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wpan_dev->wpan_phy->transmit_power = params->transmit_power;
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wpan_dev->wpan_phy->cca = params->cca;
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wpan_dev->wpan_phy->cca_ed_level = params->cca_ed_level;
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/* MAC */
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wpan_dev->min_be = params->min_be;
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wpan_dev->max_be = params->max_be;
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wpan_dev->csma_retries = params->csma_retries;
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wpan_dev->frame_retries = params->frame_retries;
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wpan_dev->lbt = params->lbt;
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if (local->hw.phy->flags & WPAN_PHY_FLAG_TXPOWER) {
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ret = drv_set_tx_power(local, params->transmit_power);
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if (ret < 0)
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return ret;
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}
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if (local->hw.phy->flags & WPAN_PHY_FLAG_CCA_MODE) {
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ret = drv_set_cca_mode(local, ¶ms->cca);
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if (ret < 0)
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return ret;
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}
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if (local->hw.phy->flags & WPAN_PHY_FLAG_CCA_ED_LEVEL) {
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ret = drv_set_cca_ed_level(local, params->cca_ed_level);
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if (ret < 0)
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return ret;
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}
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return 0;
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}
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static void mac802154_get_mac_params(struct net_device *dev,
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struct ieee802154_mac_params *params)
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{
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struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
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struct wpan_dev *wpan_dev = &sdata->wpan_dev;
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ASSERT_RTNL();
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/* PHY */
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params->transmit_power = wpan_dev->wpan_phy->transmit_power;
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params->cca = wpan_dev->wpan_phy->cca;
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params->cca_ed_level = wpan_dev->wpan_phy->cca_ed_level;
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/* MAC */
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params->min_be = wpan_dev->min_be;
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params->max_be = wpan_dev->max_be;
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params->csma_retries = wpan_dev->csma_retries;
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params->frame_retries = wpan_dev->frame_retries;
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params->lbt = wpan_dev->lbt;
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}
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static const struct ieee802154_llsec_ops mac802154_llsec_ops = {
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.get_params = mac802154_get_params,
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.set_params = mac802154_set_params,
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.add_key = mac802154_add_key,
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.del_key = mac802154_del_key,
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.add_dev = mac802154_add_dev,
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.del_dev = mac802154_del_dev,
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.add_devkey = mac802154_add_devkey,
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.del_devkey = mac802154_del_devkey,
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.add_seclevel = mac802154_add_seclevel,
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.del_seclevel = mac802154_del_seclevel,
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.lock_table = mac802154_lock_table,
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.get_table = mac802154_get_table,
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.unlock_table = mac802154_unlock_table,
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};
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struct ieee802154_mlme_ops mac802154_mlme_wpan = {
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.start_req = mac802154_mlme_start_req,
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.llsec = &mac802154_llsec_ops,
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.set_mac_params = mac802154_set_mac_params,
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.get_mac_params = mac802154_get_mac_params,
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};
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