diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/mvm/binding.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/binding.c | 211 |
1 files changed, 0 insertions, 211 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/binding.c b/drivers/net/wireless/iwlwifi/mvm/binding.c deleted file mode 100644 index a1376539d2dc..000000000000 --- a/drivers/net/wireless/iwlwifi/mvm/binding.c +++ /dev/null @@ -1,211 +0,0 @@ -/****************************************************************************** - * - * This file is provided under a dual BSD/GPLv2 license. When using or - * redistributing this file, you may do so under either license. - * - * GPL LICENSE SUMMARY - * - * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of version 2 of the GNU General Public License 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. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, - * USA - * - * The full GNU General Public License is included in this distribution - * in the file called COPYING. - * - * Contact Information: - * Intel Linux Wireless <ilw@linux.intel.com> - * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - * - * BSD LICENSE - * - * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name Intel Corporation nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - *****************************************************************************/ - -#include <net/mac80211.h> -#include "fw-api.h" -#include "mvm.h" - -struct iwl_mvm_iface_iterator_data { - struct ieee80211_vif *ignore_vif; - int idx; - - struct iwl_mvm_phy_ctxt *phyctxt; - - u16 ids[MAX_MACS_IN_BINDING]; - u16 colors[MAX_MACS_IN_BINDING]; -}; - -static int iwl_mvm_binding_cmd(struct iwl_mvm *mvm, u32 action, - struct iwl_mvm_iface_iterator_data *data) -{ - struct iwl_binding_cmd cmd; - struct iwl_mvm_phy_ctxt *phyctxt = data->phyctxt; - int i, ret; - u32 status; - - memset(&cmd, 0, sizeof(cmd)); - - cmd.id_and_color = cpu_to_le32(FW_CMD_ID_AND_COLOR(phyctxt->id, - phyctxt->color)); - cmd.action = cpu_to_le32(action); - cmd.phy = cpu_to_le32(FW_CMD_ID_AND_COLOR(phyctxt->id, - phyctxt->color)); - - for (i = 0; i < MAX_MACS_IN_BINDING; i++) - cmd.macs[i] = cpu_to_le32(FW_CTXT_INVALID); - for (i = 0; i < data->idx; i++) - cmd.macs[i] = cpu_to_le32(FW_CMD_ID_AND_COLOR(data->ids[i], - data->colors[i])); - - status = 0; - ret = iwl_mvm_send_cmd_pdu_status(mvm, BINDING_CONTEXT_CMD, - sizeof(cmd), &cmd, &status); - if (ret) { - IWL_ERR(mvm, "Failed to send binding (action:%d): %d\n", - action, ret); - return ret; - } - - if (status) { - IWL_ERR(mvm, "Binding command failed: %u\n", status); - ret = -EIO; - } - - return ret; -} - -static void iwl_mvm_iface_iterator(void *_data, u8 *mac, - struct ieee80211_vif *vif) -{ - struct iwl_mvm_iface_iterator_data *data = _data; - struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); - - if (vif == data->ignore_vif) - return; - - if (mvmvif->phy_ctxt != data->phyctxt) - return; - - if (WARN_ON_ONCE(data->idx >= MAX_MACS_IN_BINDING)) - return; - - data->ids[data->idx] = mvmvif->id; - data->colors[data->idx] = mvmvif->color; - data->idx++; -} - -static int iwl_mvm_binding_update(struct iwl_mvm *mvm, - struct ieee80211_vif *vif, - struct iwl_mvm_phy_ctxt *phyctxt, - bool add) -{ - struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); - struct iwl_mvm_iface_iterator_data data = { - .ignore_vif = vif, - .phyctxt = phyctxt, - }; - u32 action = FW_CTXT_ACTION_MODIFY; - - lockdep_assert_held(&mvm->mutex); - - ieee80211_iterate_active_interfaces_atomic(mvm->hw, - IEEE80211_IFACE_ITER_NORMAL, - iwl_mvm_iface_iterator, - &data); - - /* - * If there are no other interfaces yet we - * need to create a new binding. - */ - if (data.idx == 0) { - if (add) - action = FW_CTXT_ACTION_ADD; - else - action = FW_CTXT_ACTION_REMOVE; - } - - if (add) { - if (WARN_ON_ONCE(data.idx >= MAX_MACS_IN_BINDING)) - return -EINVAL; - - data.ids[data.idx] = mvmvif->id; - data.colors[data.idx] = mvmvif->color; - data.idx++; - } - - return iwl_mvm_binding_cmd(mvm, action, &data); -} - -int iwl_mvm_binding_add_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif) -{ - struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); - - if (WARN_ON_ONCE(!mvmvif->phy_ctxt)) - return -EINVAL; - - /* - * Update SF - Disable if needed. if this fails, SF might still be on - * while many macs are bound, which is forbidden - so fail the binding. - */ - if (iwl_mvm_sf_update(mvm, vif, false)) - return -EINVAL; - - return iwl_mvm_binding_update(mvm, vif, mvmvif->phy_ctxt, true); -} - -int iwl_mvm_binding_remove_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif) -{ - struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); - int ret; - - if (WARN_ON_ONCE(!mvmvif->phy_ctxt)) - return -EINVAL; - - ret = iwl_mvm_binding_update(mvm, vif, mvmvif->phy_ctxt, false); - - if (!ret) - if (iwl_mvm_sf_update(mvm, vif, true)) - IWL_ERR(mvm, "Failed to update SF state\n"); - - return ret; -} |