212 lines
6.3 KiB
C
212 lines
6.3 KiB
C
|
/******************************************************************************
|
||
|
|
*
|
||
|
|
* 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;
|
||
|
|
}
|