// SPDX-License-Identifier: GPL-2.0-only
/******************************************************************************
*
* Copyright(c) 2003 - 2014 Intel Corporation. All rights reserved.
* Copyright (C) 2018 - 2019 Intel Corporation
*
* Portions of this file are derived from the ipw3945 project, as well
* as portions of the ieee80211 subsystem header files.
*****************************************************************************/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/dma-mapping.h>
#include <linux/delay.h>
#include <linux/sched.h>
#include <linux/skbuff.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/if_arp.h>
#include <net/ieee80211_radiotap.h>
#include <net/mac80211.h>
#include <asm/div64.h>
#include "iwl-io.h"
#include "iwl-trans.h"
#include "iwl-op-mode.h"
#include "iwl-modparams.h"
#include "dev.h"
#include "calib.h"
#include "agn.h"
/*****************************************************************************
*
* mac80211 entry point functions
*
*****************************************************************************/
static const struct ieee80211_iface_limit iwlagn_sta_ap_limits[] = {
{
.max = 1,
.types = BIT(NL80211_IFTYPE_STATION),
},
{
.max = 1,
.types = BIT(NL80211_IFTYPE_AP),
},
};
static const struct ieee80211_iface_limit iwlagn_2sta_limits[] = {
{
.max = 2,
.types = BIT(NL80211_IFTYPE_STATION),
},
};
static const struct ieee80211_iface_combination
iwlagn_iface_combinations_dualmode[] = {
{ .num_different_channels = 1,
.max_interfaces = 2,
.beacon_int_infra_match = true,
.limits = iwlagn_sta_ap_limits,
.n_limits = ARRAY_SIZE(iwlagn_sta_ap_limits),
},
{ .num_different_channels = 1,
.max_interfaces = 2,
.limits = iwlagn_2sta_limits,
.n_limits = ARRAY_SIZE(iwlagn_2sta_limits),
},
};
/*
* Not a mac80211 entry point function, but it fits in with all the
* other mac80211 functions grouped here.
*/
int iwlagn_mac_setup_register(struct iwl_priv *priv,
const struct iwl_ucode_capabilities *capa)
{
int ret;
struct ieee80211_hw *hw = priv->hw;
struct iwl_rxon_context *ctx;
hw->rate_control_algorithm = "iwl-agn-rs";
/* Tell mac80211 our characteristics */
ieee80211_hw_set(hw, SIGNAL_DBM);
ieee80211_hw_set(hw, AMPDU_AGGREGATION);
ieee80211_hw_set(hw, NEED_DTIM_BEFORE_ASSOC);
ieee80211_hw_set(hw, SPECTRUM_MGMT);
ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS);
ieee80211_hw_set(hw, QUEUE_CONTROL);
ieee80211_hw_set(hw, SUPPORTS_PS);
ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS);
ieee80211_hw_set(hw, SUPPORT_FAST_XMIT);
ieee80211_hw_set(hw, WANT_MONITOR_VIF);
if (priv->trans->max_skb_frags)
hw->netdev_features = NETIF_F_HIGHDMA | NETIF_F_SG;
hw->offchannel_tx_hw_queue = IWL_AUX_QUEUE;
hw->radiotap_mcs_details |= IEEE80211_RADIOTAP_MCS_HAVE_FMT;
/*
* Including the following line will crash some AP's. This
* workaround removes the stimulus which causes the crash until
* the AP software can be fixed.
hw->max_tx_aggregation_subframes = LINK_QUAL_AGG_FRAME_LIMIT_DEF;
*/
if (priv->nvm_data->sku_cap_11n_enable)
hw->wiphy->features |= NL80211_FEATURE_DYNAMIC_SMPS |
NL80211_FEATURE_STATIC_SMPS;
/*
* Enable 11w if advertised by firmware and software crypto
* is not enabled (as the firmware will interpret some mgmt
* packets, so enabling it with software crypto is
| 