Release 4.11 drivers/net/wireless/intel/iwlwifi/mvm/mac80211.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.
* Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
* Copyright(c) 2016 Intel Deutschland GmbH
*
* 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 <linuxwifi@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.
* Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
* 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 <linux/kernel.h>
#include <linux/slab.h>
#include <linux/skbuff.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/ip.h>
#include <linux/if_arp.h>
#include <linux/time.h>
#include <net/mac80211.h>
#include <net/ieee80211_radiotap.h>
#include <net/tcp.h>
#include "iwl-op-mode.h"
#include "iwl-io.h"
#include "mvm.h"
#include "sta.h"
#include "time-event.h"
#include "iwl-eeprom-parse.h"
#include "iwl-phy-db.h"
#include "testmode.h"
#include "iwl-fw-error-dump.h"
#include "iwl-prph.h"
#include "iwl-nvm-parse.h"
#include "fw-dbg.h"
static const struct ieee80211_iface_limit iwl_mvm_limits[] = {
{
.max = 1,
.types = BIT(NL80211_IFTYPE_STATION),
},
{
.max = 1,
.types = BIT(NL80211_IFTYPE_AP) |
BIT(NL80211_IFTYPE_P2P_CLIENT) |
BIT(NL80211_IFTYPE_P2P_GO),
},
{
.max = 1,
.types = BIT(NL80211_IFTYPE_P2P_DEVICE),
},
};
static const struct ieee80211_iface_combination iwl_mvm_iface_combinations[] = {
{
.num_different_channels = 2,
.max_interfaces = 3,
.limits = iwl_mvm_limits,
.n_limits = ARRAY_SIZE(iwl_mvm_limits),
},
};
#ifdef CONFIG_PM_SLEEP
static const struct nl80211_wowlan_tcp_data_token_feature
iwl_mvm_wowlan_tcp_token_feature = {
.min_len = 0,
.max_len = 255,
.bufsize = IWL_WOWLAN_REMOTE_WAKE_MAX_TOKENS,
};
static const struct wiphy_wowlan_tcp_support iwl_mvm_wowlan_tcp_support = {
.tok = &iwl_mvm_wowlan_tcp_token_feature,
.data_payload_max = IWL_WOWLAN_TCP_MAX_PACKET_LEN -
sizeof(struct ethhdr) -
sizeof(struct iphdr) -
sizeof(struct tcphdr),
.data_interval_max = 65535, /* __le16 in API */
.wake_payload_max = IWL_WOWLAN_REMOTE_WAKE_MAX_PACKET_LEN -
sizeof(struct ethhdr) -
sizeof(struct iphdr) -
sizeof(struct tcphdr),
.seq = true,
};
#endif
#ifdef CONFIG_IWLWIFI_BCAST_FILTERING
/*
* Use the reserved field to indicate magic values.
* these values will only be used internally by the driver,
* and won't make it to the fw (reserved will be 0).
* BC_FILTER_MAGIC_IP - configure the val of this attribute to
* be the vif's ip address. in case there is not a single
* ip address (0, or more than 1), this attribute will
* be skipped.
* BC_FILTER_MAGIC_MAC - set the val of this attribute to
* the LSB bytes of the vif's mac address
*/
enum {
BC_FILTER_MAGIC_NONE = 0,
BC_FILTER_MAGIC_IP,
BC_FILTER_MAGIC_MAC,
};
static const struct iwl_fw_bcast_filter iwl_mvm_default_bcast_filters[] = {
{
/* arp */
.discard = 0,
.frame_type = BCAST_FILTER_FRAME_TYPE_ALL,
.attrs = {
{
/* frame type - arp, hw type - ethernet */
.offset_type =
BCAST_FILTER_OFFSET_PAYLOAD_START,
.offset = sizeof(rfc1042_header),
.val = cpu_to_be32(0x08060001),
.mask = cpu_to_be32(0xffffffff),
},
{
/* arp dest ip */
.offset_type =
BCAST_FILTER_OFFSET_PAYLOAD_START,
.offset = sizeof(rfc1042_header) + 2 +
sizeof(struct arphdr) +
ETH_ALEN + sizeof(__be32) +
ETH_ALEN,
.mask = cpu_to_be32(0xffffffff),
/* mark it as special field */
.reserved1 = cpu_to_le16(BC_FILTER_MAGIC_IP),
},
},
},
{
/* dhcp offer bcast */
.discard = 0,
.frame_type = BCAST_FILTER_FRAME_TYPE_IPV4,
.attrs = {
{
/* udp dest port - 68 (bootp client)*/
.offset_type = BCAST_FILTER_OFFSET_IP_END,
.offset = offsetof(struct udphdr, dest),
.val = cpu_to_be32(0x00440000),
.mask = cpu_to_be32(0xffff0000),
},
{
/* dhcp - lsb bytes of client hw address */
.offset_type = BCAST_FILTER_OFFSET_IP_END,
.offset = 38,
.mask = cpu_to_be32(0xffffffff),
/* mark it as special field */
.reserved1 = cpu_to_le16(BC_FILTER_MAGIC_MAC),
},
},
},
/* last filter must be empty */
{},
};
#endif
void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type)
{
if (!iwl_mvm_is_d0i3_supported(mvm))
return;
IWL_DEBUG_RPM(mvm, "Take mvm reference - type %d\n", ref_type);
spin_lock_bh(&mvm->refs_lock);
mvm->refs[ref_type]++;
spin_unlock_bh(&mvm->refs_lock);
iwl_trans_ref(mvm->trans);
}
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void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type)
{
if (!iwl_mvm_is_d0i3_supported(mvm))
return;
IWL_DEBUG_RPM(mvm, "Leave mvm reference - type %d\n", ref_type);
spin_lock_bh(&mvm->refs_lock);
if (WARN_ON(!mvm->refs[ref_type])) {
spin_unlock_bh(&mvm->refs_lock);
return;
}
mvm->refs[ref_type]--;
spin_unlock_bh(&mvm->refs_lock);
iwl_trans_unref(mvm->trans);
}
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static void iwl_mvm_unref_all_except(struct iwl_mvm *mvm,
enum iwl_mvm_ref_type except_ref)
{
int i, j;
if (!iwl_mvm_is_d0i3_supported(mvm))
return;
spin_lock_bh(&mvm->refs_lock);
for (i = 0; i < IWL_MVM_REF_COUNT; i++) {
if (except_ref == i || !mvm->refs[i])
continue;
IWL_DEBUG_RPM(mvm, "Cleanup: remove mvm ref type %d (%d)\n",
i, mvm->refs[i]);
for (j = 0; j < mvm->refs[i]; j++)
iwl_trans_unref(mvm->trans);
mvm->refs[i] = 0;
}
spin_unlock_bh(&mvm->refs_lock);
}
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bool iwl_mvm_ref_taken(struct iwl_mvm *mvm)
{
int i;
bool taken = false;
if (!iwl_mvm_is_d0i3_supported(mvm))
return true;
spin_lock_bh(&mvm->refs_lock);
for (i = 0; i < IWL_MVM_REF_COUNT; i++) {
if (mvm->refs[i]) {
taken = true;
break;
}
}
spin_unlock_bh(&mvm->refs_lock);
return taken;
}
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int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type)
{
iwl_mvm_ref(mvm, ref_type);
if (!wait_event_timeout(mvm->d0i3_exit_waitq,
!test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status),
HZ)) {
WARN_ON_ONCE(1);
iwl_mvm_unref(mvm, ref_type);
return -EIO;
}
return 0;
}
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static void iwl_mvm_reset_phy_ctxts(struct iwl_mvm *mvm)
{
int i;
memset(mvm->phy_ctxts, 0, sizeof(mvm->phy_ctxts));
for (i = 0; i < NUM_PHY_CTX; i++) {
mvm->phy_ctxts[i].id = i;
mvm->phy_ctxts[i].ref = 0;
}
}
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struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy,
const char *alpha2,
enum iwl_mcc_source src_id,
bool *changed)
{
struct ieee80211_regdomain *regd = NULL;
struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
struct iwl_mcc_update_resp *resp;
IWL_DEBUG_LAR(mvm, "Getting regdomain data for %s from FW\n", alpha2);
lockdep_assert_held(&mvm->mutex);
resp = iwl_mvm_update_mcc(mvm, alpha2, src_id);
if (IS_ERR_OR_NULL(resp)) {
IWL_DEBUG_LAR(mvm, "Could not get update from FW %d\n",
PTR_ERR_OR_ZERO(resp));
goto out;
}
if (changed)
*changed = (resp->status == MCC_RESP_NEW_CHAN_PROFILE);
regd = iwl_parse_nvm_mcc_info(mvm->trans->dev, mvm->cfg,
__le32_to_cpu(resp->n_channels),
resp->channels,
__le16_to_cpu(resp->mcc));
/* Store the return source id */
src_id = resp->source_id;
kfree(resp);
if (IS_ERR_OR_NULL(regd)) {
IWL_DEBUG_LAR(mvm, "Could not get parse update from FW %d\n",
PTR_ERR_OR_ZERO(regd));
goto out;
}
IWL_DEBUG_LAR(mvm, "setting alpha2 from FW to %s (0x%x, 0x%x) src=%d\n",
regd->alpha2, regd->alpha2[0], regd->alpha2[1], src_id);
mvm->lar_regdom_set = true;
mvm->mcc_src = src_id;
out:
return regd;
}
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void iwl_mvm_update_changed_regdom(struct iwl_mvm *mvm)
{
bool changed;
struct ieee80211_regdomain *regd;
if (!iwl_mvm_is_lar_supported(mvm))
return;
regd = iwl_mvm_get_current_regdomain(mvm, &changed);
if (!IS_ERR_OR_NULL(regd)) {
/* only update the regulatory core if changed */
if (changed)
regulatory_set_wiphy_regd(mvm->hw->wiphy, regd);
kfree(regd);
}
}
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struct ieee80211_regdomain *iwl_mvm_get_current_regdomain(struct iwl_mvm *mvm,
bool *changed)
{
return iwl_mvm_get_regdomain(mvm->hw->wiphy, "ZZ",
iwl_mvm_is_wifi_mcc_supported(mvm) ?
MCC_SOURCE_GET_CURRENT :
MCC_SOURCE_OLD_FW, changed);
}
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int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm)
{
enum iwl_mcc_source used_src;
struct ieee80211_regdomain *regd;
int ret;
bool changed;
const struct ieee80211_regdomain *r =
rtnl_dereference(mvm->hw->wiphy->regd);
if (!r)
return -ENOENT;
/* save the last source in case we overwrite it below */
used_src = mvm->mcc_src;
if (iwl_mvm_is_wifi_mcc_supported(mvm)) {
/* Notify the firmware we support wifi location updates */
regd = iwl_mvm_get_current_regdomain(mvm, NULL);
if (!IS_ERR_OR_NULL(regd))
kfree(regd);
}
/* Now set our last stored MCC and source */
regd = iwl_mvm_get_regdomain(mvm->hw->wiphy, r->alpha2, used_src,
&changed);
if (IS_ERR_OR_NULL(regd))
return -EIO;
/* update cfg80211 if the regdomain was changed */
if (changed)
ret = regulatory_set_wiphy_regd_sync_rtnl(mvm->hw->wiphy, regd);
else
ret = 0;
kfree(regd);
return ret;
}
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int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
{
struct ieee80211_hw *hw = mvm->hw;
int num_mac, ret, i;
static const u32 mvm_ciphers[] = {
WLAN_CIPHER_SUITE_WEP40,
WLAN_CIPHER_SUITE_WEP104,
WLAN_CIPHER_SUITE_TKIP,
WLAN_CIPHER_SUITE_CCMP,
};
/* Tell mac80211 our characteristics */
ieee80211_hw_set(hw, SIGNAL_DBM);
ieee80211_hw_set(hw, SPECTRUM_MGMT);
ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS);
ieee80211_hw_set(hw, QUEUE_CONTROL);
ieee80211_hw_set(hw, WANT_MONITOR_VIF);
ieee80211_hw_set(hw, SUPPORTS_PS);
ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS);
ieee80211_hw_set(hw, AMPDU_AGGREGATION);
ieee80211_hw_set(hw, TIMING_BEACON_ONLY);
ieee80211_hw_set(hw, CONNECTION_MONITOR);
ieee80211_hw_set(hw, CHANCTX_STA_CSA);
ieee80211_hw_set(hw, SUPPORT_FAST_XMIT);
ieee80211_hw_set(hw, SUPPORTS_CLONED_SKBS);
ieee80211_hw_set(hw, SUPPORTS_AMSDU_IN_AMPDU);
ieee80211_hw_set(hw, NEEDS_UNIQUE_STA_ADDR);
if (iwl_mvm_has_new_rx_api(mvm))
ieee80211_hw_set(hw, SUPPORTS_REORDERING_BUFFER);
if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_STA_PM_NOTIF))
ieee80211_hw_set(hw, AP_LINK_PS);
if (mvm->trans->num_rx_queues > 1)
ieee80211_hw_set(hw, USES_RSS);
if (mvm->trans->max_skb_frags)
hw->netdev_features = NETIF_F_HIGHDMA | NETIF_F_SG;
if (!iwl_mvm_is_dqa_supported(mvm))
hw->queues = mvm->first_agg_queue;
else
hw->queues = IEEE80211_MAX_QUEUES;
hw->offchannel_tx_hw_queue = IWL_MVM_OFFCHANNEL_QUEUE;
hw->radiotap_mcs_details |= IEEE80211_RADIOTAP_MCS_HAVE_FEC |
IEEE80211_RADIOTAP_MCS_HAVE_STBC;
hw->radiotap_vht_details |= IEEE80211_RADIOTAP_VHT_KNOWN_STBC |
IEEE80211_RADIOTAP_VHT_KNOWN_BEAMFORMED;
hw->radiotap_timestamp.units_pos =
IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US |
IEEE80211_RADIOTAP_TIMESTAMP_SPOS_PLCP_SIG_ACQ;
/* this is the case for CCK frames, it's better (only 8) for OFDM */
hw->radiotap_timestamp.accuracy = 22;
hw->rate_control_algorithm = "iwl-mvm-rs";
hw->uapsd_queues = IWL_MVM_UAPSD_QUEUES;
hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP;
BUILD_BUG_ON(ARRAY_SIZE(mvm->ciphers) < ARRAY_SIZE(mvm_ciphers) + 6);
memcpy(mvm->ciphers, mvm_ciphers, sizeof(mvm_ciphers));
hw->wiphy->n_cipher_suites = ARRAY_SIZE(mvm_ciphers);
hw->wiphy->cipher_suites = mvm->ciphers;
if (iwl_mvm_has_new_rx_api(mvm)) {
mvm->ciphers[hw->wiphy->n_cipher_suites] =
WLAN_CIPHER_SUITE_GCMP;
hw->wiphy->n_cipher_suites++;
mvm->ciphers[hw->wiphy->n_cipher_suites] =
WLAN_CIPHER_SUITE_GCMP_256;
hw->wiphy->n_cipher_suites++;
}
/* Enable 11w if software crypto is not enabled (as the
* firmware will interpret some mgmt packets, so enabling it
* with software crypto isn't safe).
*/
if (!iwlwifi_mod_params.sw_crypto) {
ieee80211_hw_set(hw, MFP_CAPABLE);
mvm->ciphers[hw->wiphy->n_cipher_suites] =
WLAN_CIPHER_SUITE_AES_CMAC;
hw->wiphy->n_cipher_suites++;
if (iwl_mvm_has_new_rx_api(mvm)) {
mvm->ciphers[hw->wiphy->n_cipher_suites] =
WLAN_CIPHER_SUITE_BIP_GMAC_128;
hw->wiphy->n_cipher_suites++;
mvm->ciphers[hw->wiphy->n_cipher_suites] =
WLAN_CIPHER_SUITE_BIP_GMAC_256;
hw->wiphy->n_cipher_suites++;
}
}
/* currently FW API supports only one optional cipher scheme */
if (mvm->fw->cs[0].cipher) {
const struct iwl_fw_cipher_scheme *fwcs = &mvm->fw->cs[0];
struct ieee80211_cipher_scheme *cs = &mvm->cs[0];
mvm->hw->n_cipher_schemes = 1;
cs->cipher = le32_to_cpu(fwcs->cipher);
cs->iftype = BIT(NL80211_IFTYPE_STATION);
cs->hdr_len = fwcs->hdr_len;
cs->pn_len = fwcs->pn_len;
cs->pn_off = fwcs->pn_off;
cs->key_idx_off = fwcs->key_idx_off;
cs->key_idx_mask = fwcs->key_idx_mask;
cs->key_idx_shift = fwcs->key_idx_shift;
cs->mic_len = fwcs->mic_len;
mvm->hw->cipher_schemes = mvm->cs;
mvm->ciphers[hw->wiphy->n_cipher_suites] = cs->cipher;
hw->wiphy->n_cipher_suites++;
}
ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS);
hw->wiphy->features |=
NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR |
NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR |
NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
hw->sta_data_size = sizeof(struct iwl_mvm_sta);
hw->vif_data_size = sizeof(struct iwl_mvm_vif);
hw->chanctx_data_size = sizeof(u16);
hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
BIT(NL80211_IFTYPE_P2P_CLIENT) |
BIT(NL80211_IFTYPE_AP) |
BIT(NL80211_IFTYPE_P2P_GO) |
BIT(NL80211_IFTYPE_P2P_DEVICE) |
BIT(NL80211_IFTYPE_ADHOC);
hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
hw->wiphy->regulatory_flags |= REGULATORY_ENABLE_RELAX_NO_IR;
if (iwl_mvm_is_lar_supported(mvm))
hw->wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED;
else
hw->wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG |
REGULATORY_DISABLE_BEACON_HINTS;
hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD;
hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
hw->wiphy->iface_combinations = iwl_mvm_iface_combinations;
hw->wiphy->n_iface_combinations =
ARRAY_SIZE(iwl_mvm_iface_combinations);
hw->wiphy->max_remain_on_channel_duration = 10000;
hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL;
/* we can compensate an offset of up to 3 channels = 15 MHz */
hw->wiphy->max_adj_channel_rssi_comp = 3 * 5;
/* Extract MAC address */
memcpy(mvm->addresses[0].addr, mvm->nvm_data->hw_addr, ETH_ALEN);
hw->wiphy->addresses = mvm->addresses;
hw->wiphy->n_addresses = 1;
/* Extract additional MAC addresses if available */
num_mac = (mvm->nvm_data->n_hw_addrs > 1) ?
min(IWL_MVM_MAX_ADDRESSES, mvm->nvm_data->n_hw_addrs) : 1;
for (i = 1; i < num_mac; i++) {
memcpy(mvm->addresses[i].addr, mvm->addresses[i-1].addr,
ETH_ALEN);
mvm->addresses[i].addr[5]++;
hw->wiphy->n_addresses++;
}
iwl_mvm_reset_phy_ctxts(mvm);
hw->wiphy->max_scan_ie_len = iwl_mvm_max_scan_ie_len(mvm);
hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX;
BUILD_BUG_ON(IWL_MVM_SCAN_STOPPING_MASK & IWL_MVM_SCAN_MASK);
BUILD_BUG_ON(IWL_MVM_MAX_UMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK) ||
IWL_MVM_MAX_LMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK));
if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN))
mvm->max_scans = IWL_MVM_MAX_UMAC_SCANS;
else
mvm->max_scans = IWL_MVM_MAX_LMAC_SCANS;
if (mvm->nvm_data->bands[NL80211_BAND_2GHZ].n_channels)
hw->wiphy->bands[NL80211_BAND_2GHZ] =
&mvm->nvm_data->bands[NL80211_BAND_2GHZ];
if (mvm->nvm_data->bands[NL80211_BAND_5GHZ].n_channels) {
hw->wiphy->bands[NL80211_BAND_5GHZ] =
&mvm->nvm_data->bands[NL80211_BAND_5GHZ];
if (fw_has_capa(&mvm->fw->ucode_capa,
IWL_UCODE_TLV_CAPA_BEAMFORMER) &&
fw_has_api(&mvm->fw->ucode_capa,
IWL_UCODE_TLV_API_LQ_SS_PARAMS))
hw->wiphy->bands[NL80211_BAND_5GHZ]->vht_cap.cap |=
IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE;
}
hw->wiphy->hw_version = mvm->trans->hw_id;
if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM)
hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT;
else
hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
hw->wiphy->max_sched_scan_ssids = PROBE_OPTION_MAX;
hw->wiphy->max_match_sets = IWL_SCAN_MAX_PROFILES;
/* we create the 802.11 header and zero length SSID IE. */
hw->wiphy->max_sched_scan_ie_len =
SCAN_OFFLOAD_PROBE_REQ_SIZE - 24 - 2;
hw->wiphy->max_sched_scan_plans = IWL_MAX_SCHED_SCAN_PLANS;
hw->wiphy->max_sched_scan_plan_interval = U16_MAX;
/*
* the firmware uses u8 for num of iterations, but 0xff is saved for
* infinite loop, so the maximum number of iterations is actually 254.
*/
hw->wiphy->max_sched_scan_plan_iterations = 254;
hw->wiphy->features |= NL80211_FEATURE_P2P_GO_CTWIN |
NL80211_FEATURE_LOW_PRIORITY_SCAN |
NL80211_FEATURE_P2P_GO_OPPPS |
NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE |
NL80211_FEATURE_DYNAMIC_SMPS |
NL80211_FEATURE_STATIC_SMPS |
NL80211_FEATURE_SUPPORTS_WMM_ADMISSION;
if (fw_has_capa(&mvm->fw->ucode_capa,
IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT))
hw->wiphy->features |= NL80211_FEATURE_TX_POWER_INSERTION;
if (fw_has_capa(&mvm->fw->ucode_capa,
IWL_UCODE_TLV_CAPA_QUIET_PERIOD_SUPPORT))
hw->wiphy->features |= NL80211_FEATURE_QUIET;
if (fw_has_capa(&mvm->fw->ucode_capa,
IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT))
hw->wiphy->features |=
NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES;
if (fw_has_capa(&mvm->fw->ucode_capa,
IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT))
hw->wiphy->features |= NL80211_FEATURE_WFA_TPC_IE_IN_PROBES;
if (fw_has_api(&mvm->fw->ucode_capa,
IWL_UCODE_TLV_API_SCAN_TSF_REPORT)) {
wiphy_ext_feature_set(hw->wiphy,
NL80211_EXT_FEATURE_SCAN_START_TIME);
wiphy_ext_feature_set(hw->wiphy,
NL80211_EXT_FEATURE_BSS_PARENT_TSF);
wiphy_ext_feature_set(hw->wiphy,
NL80211_EXT_FEATURE_SET_SCAN_DWELL);
}
mvm->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
#ifdef CONFIG_PM_SLEEP
if (iwl_mvm_is_d0i3_supported(mvm) &&
device_can_wakeup(mvm->trans->dev)) {
mvm->wowlan.flags = WIPHY_WOWLAN_ANY;
hw->wiphy->wowlan = &mvm->wowlan;
}
if (mvm->fw->img[IWL_UCODE_WOWLAN].num_sec &&
mvm->trans->ops->d3_suspend &&
mvm->trans->ops->d3_resume &&
device_can_wakeup(mvm->trans->dev)) {
mvm->wowlan.flags |= WIPHY_WOWLAN_MAGIC_PKT |
WIPHY_WOWLAN_DISCONNECT |
WIPHY_WOWLAN_EAP_IDENTITY_REQ |
WIPHY_WOWLAN_RFKILL_RELEASE |
WIPHY_WOWLAN_NET_DETECT;
if (!iwlwifi_mod_params.sw_crypto)
mvm->wowlan.flags |= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
WIPHY_WOWLAN_GTK_REKEY_FAILURE |
WIPHY_WOWLAN_4WAY_HANDSHAKE;
mvm->wowlan.n_patterns = IWL_WOWLAN_MAX_PATTERNS;
mvm->wowlan.pattern_min_len = IWL_WOWLAN_MIN_PATTERN_LEN;
mvm->wowlan.pattern_max_len = IWL_WOWLAN_MAX_PATTERN_LEN;
mvm->wowlan.max_nd_match_sets = IWL_SCAN_MAX_PROFILES;
mvm->wowlan.tcp = &iwl_mvm_wowlan_tcp_support;
hw->wiphy->wowlan = &mvm->wowlan;
}
#endif
#ifdef CONFIG_IWLWIFI_BCAST_FILTERING
/* assign default bcast filtering configuration */
mvm->bcast_filters = iwl_mvm_default_bcast_filters;
#endif
ret = iwl_mvm_leds_init(mvm);
if (ret)
return ret;
if (fw_has_capa(&mvm->fw->ucode_capa,
IWL_UCODE_TLV_CAPA_TDLS_SUPPORT)) {
IWL_DEBUG_TDLS(mvm, "TDLS supported\n");
hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS;
ieee80211_hw_set(hw, TDLS_WIDER_BW);
}
if (fw_has_capa(&mvm->fw->ucode_capa,
IWL_UCODE_TLV_CAPA_TDLS_CHANNEL_SWITCH)) {
IWL_DEBUG_TDLS(mvm, "TDLS channel switch supported\n");
hw->wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH;
}
hw->netdev_features |= mvm->cfg->features;
if (!iwl_mvm_is_csum_supported(mvm)) {
hw->netdev_features &= ~(IWL_TX_CSUM_NETIF_FLAGS |
NETIF_F_RXCSUM);
/* We may support SW TX CSUM */
if (IWL_MVM_SW_TX_CSUM_OFFLOAD)
hw->netdev_features |= IWL_TX_CSUM_NETIF_FLAGS;
}
ret = ieee80211_register_hw(mvm->hw);
if (ret)
iwl_mvm_leds_exit(mvm);
if (mvm->cfg->vht_mu_mimo_supported)
wiphy_ext_feature_set(hw->wiphy,
NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER);
return ret;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Johannes Berg | 1026 | 58.97% | 21 | 30.00% |
Ayala Beker | 99 | 5.69% | 2 | 2.86% |
Avraham Stern | 68 | 3.91% | 2 | 2.86% |
Emmanuel Grumbach | 62 | 3.56% | 8 | 11.43% |
Andrei Otcheretianski | 59 | 3.39% | 3 | 4.29% |
Arik Nemtsov | 59 | 3.39% | 3 | 4.29% |
Luciano Coelho | 57 | 3.28% | 4 | 5.71% |
Eliad Peller | 54 | 3.10% | 4 | 5.71% |
Ilan Peer | 47 | 2.70% | 5 | 7.14% |
David Spinadel | 34 | 1.95% | 3 | 4.29% |
Eyal Shapira | 27 | 1.55% | 2 | 2.86% |
Avri Altman | 25 | 1.44% | 1 | 1.43% |
Eran Harary | 24 | 1.38% | 1 | 1.43% |
Sara Sharon | 23 | 1.32% | 3 | 4.29% |
Assaf Krauss | 17 | 0.98% | 1 | 1.43% |
Aviya Erenfeld | 17 | 0.98% | 1 | 1.43% |
Liad Kaufman | 15 | 0.86% | 1 | 1.43% |
Luis R. Rodriguez | 10 | 0.57% | 1 | 1.43% |
Alexander Bondar | 8 | 0.46% | 2 | 2.86% |
Matt Chen | 6 | 0.34% | 1 | 1.43% |
Eytan Lifshitz | 3 | 0.17% | 1 | 1.43% |
Total | 1740 | 100.00% | 70 | 100.00% |
static bool iwl_mvm_defer_tx(struct iwl_mvm *mvm,
struct ieee80211_sta *sta,
struct sk_buff *skb)
{
struct iwl_mvm_sta *mvmsta;
bool defer = false;
/*
* double check the IN_D0I3 flag both before and after
* taking the spinlock, in order to prevent taking
* the spinlock when not needed.
*/
if (likely(!test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status)))
return false;
spin_lock(&mvm->d0i3_tx_lock);
/*
* testing the flag again ensures the skb dequeue
* loop (on d0i3 exit) hasn't run yet.
*/
if (!test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status))
goto out;
mvmsta = iwl_mvm_sta_from_mac80211(sta);
if (mvmsta->sta_id == IWL_MVM_STATION_COUNT ||
mvmsta->sta_id != mvm->d0i3_ap_sta_id)
goto out;
__skb_queue_tail(&mvm->d0i3_tx, skb);
ieee80211_stop_queues(mvm->hw);
/* trigger wakeup */
iwl_mvm_ref(mvm, IWL_MVM_REF_TX);
iwl_mvm_unref(mvm, IWL_MVM_REF_TX);
defer = true;
out:
spin_unlock(&mvm->d0i3_tx_lock);
return defer;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Arik Nemtsov | 151 | 100.00% | 1 | 100.00% |
Total | 151 | 100.00% | 1 | 100.00% |
static void iwl_mvm_mac_tx(struct ieee80211_hw *hw,
struct ieee80211_tx_control *control,
struct sk_buff *skb)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
struct ieee80211_sta *sta = control->sta;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct ieee80211_hdr *hdr = (void *)skb->data;
if (iwl_mvm_is_radio_killed(mvm)) {
IWL_DEBUG_DROP(mvm, "Dropping - RF/CT KILL\n");
goto drop;
}
if (IEEE80211_SKB_CB(skb)->hw_queue == IWL_MVM_OFFCHANNEL_QUEUE &&
!test_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status) &&
!test_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING, &mvm->status))
goto drop;
/* treat non-bufferable MMPDUs as broadcast if sta is sleeping */
if (unlikely(info->flags & IEEE80211_TX_CTL_NO_PS_BUFFER &&
ieee80211_is_mgmt(hdr->frame_control) &&
!ieee80211_is_deauth(hdr->frame_control) &&
!ieee80211_is_disassoc(hdr->frame_control) &&
!ieee80211_is_action(hdr->frame_control)))
sta = NULL;
if (sta) {
if (iwl_mvm_defer_tx(mvm, sta, skb))
return;
if (iwl_mvm_tx_skb(mvm, skb, sta))
goto drop;
return;
}
if (iwl_mvm_tx_skb_non_sta(mvm, skb))
goto drop;
return;
drop:
ieee80211_free_txskb(hw, skb);
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Johannes Berg | 194 | 88.18% | 2 | 33.33% |
Arik Nemtsov | 12 | 5.45% | 1 | 16.67% |
Matti Gottlieb | 11 | 5.00% | 1 | 16.67% |
Eytan Lifshitz | 2 | 0.91% | 1 | 16.67% |
Ilan Peer | 1 | 0.45% | 1 | 16.67% |
Total | 220 | 100.00% | 6 | 100.00% |
static inline bool iwl_enable_rx_ampdu(const struct iwl_cfg *cfg)
{
if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_RXAGG)
return false;
return true;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Emmanuel Grumbach | 27 | 100.00% | 1 | 100.00% |
Total | 27 | 100.00% | 1 | 100.00% |
static inline bool iwl_enable_tx_ampdu(const struct iwl_cfg *cfg)
{
if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_TXAGG)
return false;
if (iwlwifi_mod_params.disable_11n & IWL_ENABLE_HT_TXAGG)
return true;
/* enabled by default */
return true;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Emmanuel Grumbach | 39 | 100.00% | 1 | 100.00% |
Total | 39 | 100.00% | 1 | 100.00% |
#define CHECK_BA_TRIGGER(_mvm, _trig, _tid_bm, _tid, _fmt...) \
do { \
if (!(le16_to_cpu(_tid_bm) & BIT(_tid))) \
break; \
iwl_mvm_fw_dbg_collect_trig(_mvm, _trig, _fmt); \
} while (0)
static void
iwl_mvm_ampdu_check_trigger(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
struct ieee80211_sta *sta, u16 tid, u16 rx_ba_ssn,
enum ieee80211_ampdu_mlme_action action)
{
struct iwl_fw_dbg_trigger_tlv *trig;
struct iwl_fw_dbg_trigger_ba *ba_trig;
if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_BA))
return;
trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_BA);
ba_trig = (void *)trig->data;
if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trig))
return;
switch (action) {
case IEEE80211_AMPDU_TX_OPERATIONAL: {
struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid];
CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_start, tid,
"TX AGG START: MAC %pM tid %d ssn %d\n",
sta->addr, tid, tid_data->ssn);
break;
}
case IEEE80211_AMPDU_TX_STOP_CONT:
CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_stop, tid,
"TX AGG STOP: MAC %pM tid %d\n",
sta->addr, tid);
break;
case IEEE80211_AMPDU_RX_START:
CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_start, tid,
"RX AGG START: MAC %pM tid %d ssn %d\n",
sta->addr, tid, rx_ba_ssn);
break;
case IEEE80211_AMPDU_RX_STOP:
CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_stop, tid,
"RX AGG STOP: MAC %pM tid %d\n",
sta->addr, tid);
break;
default:
break;
}
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Emmanuel Grumbach | 169 | 74.45% | 1 | 25.00% |
Johannes Berg | 42 | 18.50% | 1 | 25.00% |
Arik Nemtsov | 11 | 4.85% | 1 | 25.00% |
Eliad Peller | 5 | 2.20% | 1 | 25.00% |
Total | 227 | 100.00% | 4 | 100.00% |
static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_ampdu_params *params)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
int ret;
bool tx_agg_ref = false;
struct ieee80211_sta *sta = params->sta;
enum ieee80211_ampdu_mlme_action action = params->action;
u16 tid = params->tid;
u16 *ssn = ¶ms->ssn;
u8 buf_size = params->buf_size;
bool amsdu = params->amsdu;
u16 timeout = params->timeout;
IWL_DEBUG_HT(mvm, "A-MPDU action on addr %pM tid %d: action %d\n",
sta->addr, tid, action);
if (!(mvm->nvm_data->sku_cap_11n_enable))
return -EACCES;
/* return from D0i3 before starting a new Tx aggregation */
switch (action) {
case IEEE80211_AMPDU_TX_START:
case IEEE80211_AMPDU_TX_STOP_CONT:
case IEEE80211_AMPDU_TX_STOP_FLUSH:
case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
case IEEE80211_AMPDU_TX_OPERATIONAL:
/*
* for tx start, wait synchronously until D0i3 exit to
* get the correct sequence number for the tid.
* additionally, some other ampdu actions use direct
* target access, which is not handled automatically
* by the trans layer (unlike commands), so wait for
* d0i3 exit in these cases as well.
*/
ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_TX_AGG);
if (ret)
return ret;
tx_agg_ref = true;
break;
default:
break;
}
mutex_lock(&mvm->mutex);
switch (action) {
case IEEE80211_AMPDU_RX_START:
if (!iwl_enable_rx_ampdu(mvm->cfg)) {
ret = -EINVAL;
break;
}
ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, *ssn, true, buf_size,
timeout);
break;
case IEEE80211_AMPDU_RX_STOP:
ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, 0, false, buf_size,
timeout);
break;
case IEEE80211_AMPDU_TX_START:
if (!iwl_enable_tx_ampdu(mvm->cfg)) {
ret = -EINVAL;
break;
}
ret = iwl_mvm_sta_tx_agg_start(mvm, vif, sta, tid, ssn);
break;
case IEEE80211_AMPDU_TX_STOP_CONT:
ret = iwl_mvm_sta_tx_agg_stop(mvm, vif, sta, tid);
break;
case IEEE80211_AMPDU_TX_STOP_FLUSH:
case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
ret = iwl_mvm_sta_tx_agg_flush(mvm, vif, sta, tid);
break;
case IEEE80211_AMPDU_TX_OPERATIONAL:
ret = iwl_mvm_sta_tx_agg_oper(mvm, vif, sta, tid,
buf_size, amsdu);
break;
default:
WARN_ON_ONCE(1);
ret = -EINVAL;
break;
}
if (!ret) {
u16 rx_ba_ssn = 0;
if (action == IEEE80211_AMPDU_RX_START)
rx_ba_ssn = *ssn;
iwl_mvm_ampdu_check_trigger(mvm, vif, sta, tid,
rx_ba_ssn, action);
}
mutex_unlock(&mvm->mutex);
/*
* If the tid is marked as started, we won't use it for offloaded
* traffic on the next D0i3 entry. It's safe to unref.
*/
if (tx_agg_ref)
iwl_mvm_unref(mvm, IWL_MVM_REF_TX_AGG);
return ret;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Johannes Berg | 209 | 50.24% | 1 | 8.33% |
Emmanuel Grumbach | 87 | 20.91% | 5 | 41.67% |
Sara Sharon | 57 | 13.70% | 3 | 25.00% |
Arik Nemtsov | 34 | 8.17% | 1 | 8.33% |
Eliad Peller | 19 | 4.57% | 1 | 8.33% |
Gregory Greenman | 10 | 2.40% | 1 | 8.33% |
Total | 416 | 100.00% | 12 | 100.00% |
static void iwl_mvm_cleanup_iterator(void *data, u8 *mac,
struct ieee80211_vif *vif)
{
struct iwl_mvm *mvm = data;
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
mvmvif->uploaded = false;
mvmvif->ap_sta_id = IWL_MVM_STATION_COUNT;
spin_lock_bh(&mvm->time_event_lock);
iwl_mvm_te_clear_data(mvm, &mvmvif->time_event_data);
spin_unlock_bh(&mvm->time_event_lock);
mvmvif->phy_ctxt = NULL;
memset(&mvmvif->bf_data, 0, sizeof(mvmvif->bf_data));
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Johannes Berg | 80 | 82.47% | 1 | 50.00% |
Emmanuel Grumbach | 17 | 17.53% | 1 | 50.00% |
Total | 97 | 100.00% | 2 | 100.00% |
static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm)
{
/* clear the D3 reconfig, we only need it to avoid dumping a
* firmware coredump on reconfiguration, we shouldn't do that
* on D3->D0 transition
*/
if (!test_and_clear_bit(IWL_MVM_STATUS_D3_RECONFIG, &mvm->status)) {
mvm->fw_dump_desc = &iwl_mvm_dump_desc_assert;
iwl_mvm_fw_error_dump(mvm);
}
/* cleanup all stale references (scan, roc), but keep the
* ucode_down ref until reconfig is complete
*/
iwl_mvm_unref_all_except(mvm, IWL_MVM_REF_UCODE_DOWN);
iwl_mvm_stop_device(mvm);
mvm->scan_status = 0;
mvm->ps_disabled = false;
mvm->calibrating = false;
/* just in case one was running */
iwl_mvm_cleanup_roc_te(mvm);
ieee80211_remain_on_channel_expired(mvm->hw);
/*
* cleanup all interfaces, even inactive ones, as some might have
* gone down during the HW restart
*/
ieee80211_iterate_interfaces(mvm->hw, 0, iwl_mvm_cleanup_iterator, mvm);
mvm->p2p_device_vif = NULL;
mvm->d0i3_ap_sta_id = IWL_MVM_STATION_COUNT;
iwl_mvm_reset_phy_ctxts(mvm);
memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table));
memset(mvm->sta_drained, 0, sizeof(mvm->sta_drained));
memset(mvm->sta_deferred_frames, 0, sizeof(mvm->sta_deferred_frames));
memset(mvm->tfd_drained, 0, sizeof(mvm->tfd_drained));
memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif));
memset(&mvm->last_bt_ci_cmd, 0, sizeof(mvm->last_bt_ci_cmd));
ieee80211_wake_queues(mvm->hw);
/* clear any stale d0i3 state */
clear_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status);
mvm->vif_count = 0;
mvm->rx_ba_sessions = 0;
mvm->fw_dbg_conf = FW_DBG_INVALID;
/* keep statistics ticking */
iwl_mvm_accu_radio_stats(mvm);
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Johannes Berg | 87 | 34.25% | 3 | 14.29% |
Emmanuel Grumbach | 67 | 26.38% | 6 | 28.57% |
Eliad Peller | 30 | 11.81% | 4 | 19.05% |
Luciano Coelho | 23 | 9.06% | 3 | 14.29% |
Arik Nemtsov | 19 | 7.48% | 2 | 9.52% |
Liad Kaufman | 16 | 6.30% | 1 | 4.76% |
Ilan Peer | 11 | 4.33% | 1 | 4.76% |
Chaya Rachel Ivgy | 1 | 0.39% | 1 | 4.76% |
Total | 254 | 100.00% | 21 | 100.00% |
int __iwl_mvm_mac_start(struct iwl_mvm *mvm)
{
int ret;
lockdep_assert_held(&mvm->mutex);
if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
/* Clean up some internal and mac80211 state on restart */
iwl_mvm_restart_cleanup(mvm);
} else {
/* Hold the reference to prevent runtime suspend while
* the start procedure runs. It's a bit confusing
* that the UCODE_DOWN reference is taken, but it just
* means "UCODE is not UP yet". ( TODO: rename this
* reference).
*/
iwl_mvm_ref(mvm, IWL_MVM_REF_UCODE_DOWN);
}
ret = iwl_mvm_up(mvm);
if (ret && test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
/* Something went wrong - we need to finish some cleanup
* that normally iwl_mvm_mac_restart_complete() below
* would do.
*/
clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
iwl_mvm_d0i3_enable_tx(mvm, NULL);
}
return ret;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Johannes Berg | 74 | 77.08% | 2 | 50.00% |
Luciano Coelho | 22 | 22.92% | 2 | 50.00% |
Total | 96 | 100.00% | 4 | 100.00% |
static int iwl_mvm_mac_start(struct ieee80211_hw *hw)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
int ret;
/* Some hw restart cleanups must not hold the mutex */
if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
/*
* Make sure we are out of d0i3. This is needed
* to make sure the reference accounting is correct
* (and there is no stale d0i3_exit_work).
*/
wait_event_timeout(mvm->d0i3_exit_waitq,
!test_bit(IWL_MVM_STATUS_IN_D0I3,
&mvm->status),
HZ);
}
mutex_lock(&mvm->mutex);
ret = __iwl_mvm_mac_start(mvm);
mutex_unlock(&mvm->mutex);
return ret;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Luciano Coelho | 38 | 44.19% | 1 | 33.33% |
Eliad Peller | 36 | 41.86% | 1 | 33.33% |
Johannes Berg | 12 | 13.95% | 1 | 33.33% |
Total | 86 | 100.00% | 3 | 100.00% |
static void iwl_mvm_restart_complete(struct iwl_mvm *mvm)
{
int ret;
mutex_lock(&mvm->mutex);
clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
iwl_mvm_d0i3_enable_tx(mvm, NULL);
ret = iwl_mvm_update_quotas(mvm, true, NULL);
if (ret)
IWL_ERR(mvm, "Failed to update quotas after restart (%d)\n",
ret);
/* allow transport/FW low power modes */
iwl_mvm_unref(mvm, IWL_MVM_REF_UCODE_DOWN);
/*
* If we have TDLS peers, remove them. We don't know the last seqno/PN
* of packets the FW sent out, so we must reconnect.
*/
iwl_mvm_teardown_tdls_peers(mvm);
mutex_unlock(&mvm->mutex);
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Johannes Berg | 60 | 70.59% | 2 | 28.57% |
Arik Nemtsov | 13 | 15.29% | 2 | 28.57% |
Eliad Peller | 11 | 12.94% | 2 | 28.57% |
Emmanuel Grumbach | 1 | 1.18% | 1 | 14.29% |
Total | 85 | 100.00% | 7 | 100.00% |
static void iwl_mvm_resume_complete(struct iwl_mvm *mvm)
{
if (iwl_mvm_is_d0i3_supported(mvm) &&
iwl_mvm_enter_d0i3_on_suspend(mvm))
WARN_ONCE(!wait_event_timeout(mvm->d0i3_exit_waitq,
!test_bit(IWL_MVM_STATUS_IN_D0I3,
&mvm->status),
HZ),
"D0i3 exit on resume timed out\n");
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Eliad Peller | 43 | 87.76% | 2 | 66.67% |
Luciano Coelho | 6 | 12.24% | 1 | 33.33% |
Total | 49 | 100.00% | 3 | 100.00% |
static void
iwl_mvm_mac_reconfig_complete(struct ieee80211_hw *hw,
enum ieee80211_reconfig_type reconfig_type)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
switch (reconfig_type) {
case IEEE80211_RECONFIG_TYPE_RESTART:
iwl_mvm_restart_complete(mvm);
break;
case IEEE80211_RECONFIG_TYPE_SUSPEND:
iwl_mvm_resume_complete(mvm);
break;
}
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Eliad Peller | 49 | 100.00% | 2 | 100.00% |
Total | 49 | 100.00% | 2 | 100.00% |
void __iwl_mvm_mac_stop(struct iwl_mvm *mvm)
{
lockdep_assert_held(&mvm->mutex);
/* firmware counters are obviously reset now, but we shouldn't
* partially track so also clear the fw_reset_accu counters.
*/
memset(&mvm->accu_radio_stats, 0, sizeof(mvm->accu_radio_stats));
/* async_handlers_wk is now blocked */
/*
* The work item could be running or queued if the
* ROC time event stops just as we get here.
*/
flush_work(&mvm->roc_done_wk);
iwl_mvm_stop_device(mvm);
iwl_mvm_async_handlers_purge(mvm);
/* async_handlers_list is empty and will stay empty: HW is stopped */
/* the fw is stopped, the aux sta is dead: clean up driver state */
iwl_mvm_del_aux_sta(mvm);
/*
* Clear IN_HW_RESTART flag when stopping the hw (as restart_complete()
* won't be called in this case).
* But make sure to cleanup interfaces that have gone down before/during
* HW restart was requested.
*/
if (test_and_clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
ieee80211_iterate_interfaces(mvm->hw, 0,
iwl_mvm_cleanup_iterator, mvm);
/* We shouldn't have any UIDs still set. Loop over all the UIDs to
* make sure there's nothing left there and warn if any is found.
*/
if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) {
int i;
for (i = 0; i < mvm->max_scans; i++) {
if (WARN_ONCE(mvm->scan_uid_status[i],
"UMAC scan UID %d status was not cleaned\n",
i))
mvm->scan_uid_status[i] = 0;
}
}
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Johannes Berg | 61 | 40.40% | 4 | 33.33% |
Alexander Bondar | 51 | 33.77% | 1 | 8.33% |
Arik Nemtsov | 17 | 11.26% | 1 | 8.33% |
Luciano Coelho | 11 | 7.28% | 3 | 25.00% |
Eliad Peller | 10 | 6.62% | 2 | 16.67% |
Chaya Rachel Ivgy | 1 | 0.66% | 1 | 8.33% |
Total | 151 | 100.00% | 12 | 100.00% |
static void iwl_mvm_mac_stop(struct ieee80211_hw *hw)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
flush_work(&mvm->d0i3_exit_work);
flush_work(&mvm->async_handlers_wk);
flush_work(&mvm->add_stream_wk);
cancel_delayed_work_sync(&mvm->fw_dump_wk);
cancel_delayed_work_sync(&mvm->cs_tx_unblock_dwork);
cancel_delayed_work_sync(&mvm->scan_timeout_dwork);
iwl_mvm_free_fw_dump_desc(mvm);
mutex_lock(&mvm->mutex);
__iwl_mvm_mac_stop(mvm);
mutex_unlock(&mvm->mutex);
/*
* The worker might have been waiting for the mutex, let it run and
* discover that its list is now empty.
*/
cancel_work_sync(&mvm->async_handlers_wk);
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Luciano Coelho | 57 | 54.81% | 2 | 25.00% |
Johannes Berg | 18 | 17.31% | 1 | 12.50% |
Emmanuel Grumbach | 13 | 12.50% | 3 | 37.50% |
Andrei Otcheretianski | 8 | 7.69% | 1 | 12.50% |
Liad Kaufman | 8 | 7.69% | 1 | 12.50% |
Total | 104 | 100.00% | 8 | 100.00% |
static struct iwl_mvm_phy_ctxt *iwl_mvm_get_free_phy_ctxt(struct iwl_mvm *mvm)
{
u16 i;
lockdep_assert_held(&mvm->mutex);
for (i = 0; i < NUM_PHY_CTX; i++)
if (!mvm->phy_ctxts[i].ref)
return &mvm->phy_ctxts[i];
IWL_ERR(mvm, "No available PHY context\n");
return NULL;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Ilan Peer | 68 | 100.00% | 1 | 100.00% |
Total | 68 | 100.00% | 1 | 100.00% |
static int iwl_mvm_set_tx_power(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
s16 tx_power)
{
struct iwl_dev_tx_power_cmd cmd = {
.v3.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_MAC),
.v3.mac_context_id =
cpu_to_le32(iwl_mvm_vif_from_mac80211(vif)->id),
.v3.pwr_restriction = cpu_to_le16(8 * tx_power),
};
int len = sizeof(cmd);
if (tx_power == IWL_DEFAULT_MAX_TX_POWER)
cmd.v3.pwr_restriction = cpu_to_le16(IWL_DEV_MAX_TX_POWER);
if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TX_POWER_ACK))
len = sizeof(cmd.v3);
return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, len, &cmd);
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Avri Altman | 81 | 64.29% | 1 | 33.33% |
Luciano Coelho | 29 | 23.02% | 1 | 33.33% |
Johannes Berg | 16 | 12.70% | 1 | 33.33% |
Total | 126 | 100.00% | 3 | 100.00% |
static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
int ret;
mvmvif->mvm = mvm;
/*
* make sure D0i3 exit is completed, otherwise a target access
* during tx queue configuration could be done when still in
* D0i3 state.
*/
ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_ADD_IF);
if (ret)
return ret;
/*
* Not much to do here. The stack will not allow interface
* types or combinations that we didn't advertise, so we
* don't really have to check the types.
*/
mutex_lock(&mvm->mutex);
/* make sure that beacon statistics don't go backwards with FW reset */
if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
mvmvif->beacon_stats.accu_num_beacons +=
mvmvif->beacon_stats.num_beacons;
/* Allocate resources for the MAC context, and add it to the fw */
ret = iwl_mvm_mac_ctxt_init(mvm, vif);
if (ret)
goto out_unlock;
/* Counting number of interfaces is needed for legacy PM */
if (vif->type != NL80211_IFTYPE_P2P_DEVICE)
mvm->vif_count++;
/*
* The AP binding flow can be done only after the beacon
* template is configured (which happens only in the mac80211
* start_ap() flow), and adding the broadcast station can happen
* only after the binding.
* In addition, since modifying the MAC before adding a bcast
* station is not allowed by the FW, delay the adding of MAC context to
* the point where we can also add the bcast station.
* In short: there's not much we can do at this point, other than
* allocating resources :)
*/
if (vif->type == NL80211_IFTYPE_AP ||
vif->type == NL80211_IFTYPE_ADHOC) {
ret = iwl_mvm_alloc_bcast_sta(mvm, vif);
if (ret) {
IWL_ERR(mvm, "Failed to allocate bcast sta\n");
goto out_release;
}
iwl_mvm_vif_dbgfs_register(mvm, vif);
goto out_unlock;
}
mvmvif->features |= hw->netdev_features;
ret = iwl_mvm_mac_ctxt_add(mvm, vif);
if (ret)
goto out_release;
ret = iwl_mvm_power_update_mac(mvm);
if (ret)
goto out_remove_mac;
/* beacon filtering */
ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0);
if (ret)
goto out_remove_mac;
if (!mvm->bf_allowed_vif &&
vif->type == NL80211_IFTYPE_STATION && !vif->p2p) {
mvm->bf_allowed_vif = mvmvif;
vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER |
IEEE80211_VIF_SUPPORTS_CQM_RSSI;
}
/*
* P2P_DEVICE interface does not have a channel context assigned to it,
* so a dedicated PHY context is allocated to it and the corresponding
* MAC context is bound to it at this stage.
*/
if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
mvmvif->phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
if (!mvmvif->phy_ctxt) {
ret = -ENOSPC;
goto out_free_bf;
}
iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt);
ret = iwl_mvm_binding_add_vif(mvm, vif);
if (ret)
goto out_unref_phy;
ret = iwl_mvm_add_bcast_sta(mvm, vif);
if (ret)
goto out_unbind;
/* Save a pointer to p2p device vif, so it can later be used to
* update the p2p device MAC when a GO is started/stopped */
mvm->p2p_device_vif = vif;
}
iwl_mvm_vif_dbgfs_register(mvm, vif);
goto out_unlock;
out_unbind:
iwl_mvm_binding_remove_vif(mvm, vif);
out_unref_phy:
iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
out_free_bf:
if (mvm->bf_allowed_vif == mvmvif) {
mvm->bf_allowed_vif = NULL;
vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER |
IEEE80211_VIF_SUPPORTS_CQM_RSSI);
}
out_remove_mac:
mvmvif->phy_ctxt = NULL;
iwl_mvm_mac_ctxt_remove(mvm, vif);
out_release:
if (vif->type != NL80211_IFTYPE_P2P_DEVICE)
mvm->vif_count--;
iwl_mvm_mac_ctxt_release(mvm, vif);
out_unlock:
mutex_unlock(&mvm->mutex);
iwl_mvm_unref(mvm, IWL_MVM_REF_ADD_IF);
return ret;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Johannes Berg | 286 | 60.72% | 5 | 21.74% |
Eliad Peller | 46 | 9.77% | 4 | 17.39% |
Ilan Peer | 35 | 7.43% | 3 | 13.04% |
Hila Gonen | 33 | 7.01% | 1 | 4.35% |
Gregory Greenman | 24 | 5.10% | 1 | 4.35% |
Emmanuel Grumbach | 23 | 4.88% | 4 | 17.39% |
Alexander Bondar | 9 | 1.91% | 2 | 8.70% |
Avri Altman | 8 | 1.70% | 1 | 4.35% |
Andrei Otcheretianski | 6 | 1.27% | 1 | 4.35% |
Luciano Coelho | 1 | 0.21% | 1 | 4.35% |
Total | 471 | 100.00% | 23 | 100.00% |
static void iwl_mvm_prepare_mac_removal(struct iwl_mvm *mvm,
struct ieee80211_vif *vif)
{
u32 tfd_msk = iwl_mvm_mac_get_queues_mask(vif);
if (tfd_msk) {
/*
* mac80211 first removes all the stations of the vif and
* then removes the vif. When it removes a station it also
* flushes the AMPDU session. So by now, all the AMPDU sessions
* of all the stations of this vif are closed, and the queues
* of these AMPDU sessions are properly closed.
* We still need to take care of the shared queues of the vif.
* Flush them here.
*/
mutex_lock(&mvm->mutex);
iwl_mvm_flush_tx_path(mvm, tfd_msk, 0);
mutex_unlock(&mvm->mutex);
/*
* There are transports that buffer a few frames in the host.
* For these, the flush above isn't enough since while we were
* flushing, the transport might have sent more frames to the
* device. To solve this, wait here until the transport is
* empty. Technically, this could have replaced the flush
* above, but flush is much faster than draining. So flush
* first, and drain to make sure we have no frames in the
* transport anymore.
* If a station still had frames on the shared queues, it is
* already marked as draining, so to complete the draining, we
* just need to wait until the transport is empty.
*/
iwl_trans_wait_tx_queue_empty(mvm->trans, tfd_msk);
}
if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
/*
* Flush the ROC worker which will flush the OFFCHANNEL queue.
* We assume here that all the packets sent to the OFFCHANNEL
* queue are sent in ROC session.
*/
flush_work(&mvm->roc_done_wk);
} else {
/*
* By now, all the AC queues are empty. The AGG queues are
* empty too. We already got all the Tx responses for all the
* packets in the queues. The drain work can have been
* triggered. Flush it.
*/
flush_work(&mvm->sta_drained_wk);
}
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Johannes Berg | 84 | 86.60% | 3 | 50.00% |
Emmanuel Grumbach | 12 | 12.37% | 2 | 33.33% |
Luciano Coelho | 1 | 1.03% | 1 | 16.67% |
Total | 97 | 100.00% | 6 | 100.00% |
static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
iwl_mvm_prepare_mac_removal(mvm, vif);
mutex_lock(&mvm->mutex);
if (mvm->bf_allowed_vif == mvmvif) {
mvm->bf_allowed_vif = NULL;
vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER |
IEEE80211_VIF_SUPPORTS_CQM_RSSI);
}
iwl_mvm_vif_dbgfs_clean(mvm, vif);
/*
* For AP/GO interface, the tear down of the resources allocated to the
* interface is be handled as part of the stop_ap flow.
*/
if (vif->type == NL80211_IFTYPE_AP ||
vif->type == NL80211_IFTYPE_ADHOC) {
#ifdef CONFIG_NL80211_TESTMODE
if (vif == mvm->noa_vif) {
mvm->noa_vif = NULL;
mvm->noa_duration = 0;
}
#endif
iwl_mvm_dealloc_bcast_sta(mvm, vif);
goto out_release;
}
if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
mvm->p2p_device_vif = NULL;
iwl_mvm_rm_bcast_sta(mvm, vif);
iwl_mvm_binding_remove_vif(mvm, vif);
iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
mvmvif->phy_ctxt = NULL;
}
if (mvm->vif_count && vif->type != NL80211_IFTYPE_P2P_DEVICE)
mvm->vif_count--;
iwl_mvm_power_update_mac(mvm);
iwl_mvm_mac_ctxt_remove(mvm, vif);
out_release:
iwl_mvm_mac_ctxt_release(mvm, vif);
mutex_unlock(&mvm->mutex);
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Johannes Berg | 164 | 71.30% | 5 | 45.45% |
David Spinadel | 27 | 11.74% | 1 | 9.09% |
Hila Gonen | 23 | 10.00% | 1 | 9.09% |
Alexander Bondar | 6 | 2.61% | 1 | 9.09% |
Emmanuel Grumbach | 5 | 2.17% | 1 | 9.09% |
Andrei Otcheretianski | 4 | 1.74% | 1 | 9.09% |
Ilan Peer | 1 | 0.43% | 1 | 9.09% |
Total | 230 | 100.00% | 11 | 100.00% |
static int iwl_mvm_mac_config(struct ieee80211_hw *hw, u32 changed)
{
return 0;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Johannes Berg | 13 | 76.47% | 1 | 50.00% |
Matti Gottlieb | 4 | 23.53% | 1 | 50.00% |
Total | 17 | 100.00% | 2 | 100.00% |
struct iwl_mvm_mc_iter_data {
struct iwl_mvm *mvm;
int port_id;
};
static void iwl_mvm_mc_iface_iterator(void *_data, u8 *mac,
struct ieee80211_vif *vif)
{
struct iwl_mvm_mc_iter_data *data = _data;
struct iwl_mvm *mvm = data->mvm;
struct iwl_mcast_filter_cmd *cmd = mvm->mcast_filter_cmd;
int ret, len;
/* if we don't have free ports, mcast frames will be dropped */
if (WARN_ON_ONCE(data->port_id >= MAX_PORT_ID_NUM))
return;
if (vif->type != NL80211_IFTYPE_STATION ||
!vif->bss_conf.assoc)
return;
cmd->port_id = data->port_id++;
memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN);
len = roundup(sizeof(*cmd) + cmd->count * ETH_ALEN, 4);
ret = iwl_mvm_send_cmd_pdu(mvm, MCAST_FILTER_CMD, CMD_ASYNC, len, cmd);
if (ret)
IWL_ERR(mvm, "mcast filter cmd error. ret=%d\n", ret);
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Eliad Peller | 113 | 75.84% | 1 | 25.00% |
Matti Gottlieb | 25 | 16.78% | 1 | 25.00% |
Johannes Berg | 10 | 6.71% | 1 | 25.00% |
Emmanuel Grumbach | 1 | 0.67% | 1 | 25.00% |
Total | 149 | 100.00% | 4 | 100.00% |
static void iwl_mvm_recalc_multicast(struct iwl_mvm *mvm)
{
struct iwl_mvm_mc_iter_data iter_data = {
.mvm = mvm,
};
lockdep_assert_held(&mvm->mutex);
if (WARN_ON_ONCE(!mvm->mcast_filter_cmd))
return;
ieee80211_iterate_active_interfaces_atomic(
mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
iwl_mvm_mc_iface_iterator, &iter_data);
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Eliad Peller | 44 | 80.00% | 1 | 25.00% |
Emmanuel Grumbach | 7 | 12.73% | 2 | 50.00% |
Matti Gottlieb | 4 | 7.27% | 1 | 25.00% |
Total | 55 | 100.00% | 4 | 100.00% |
static u64 iwl_mvm_prepare_multicast(struct ieee80211_hw *hw,
struct netdev_hw_addr_list *mc_list)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
struct iwl_mcast_filter_cmd *cmd;
struct netdev_hw_addr *addr;
int addr_count;
bool pass_all;
int len;
addr_count = netdev_hw_addr_list_count(mc_list);
pass_all = addr_count > MAX_MCAST_FILTERING_ADDRESSES ||
IWL_MVM_FW_MCAST_FILTER_PASS_ALL;
if (pass_all)
addr_count = 0;
len = roundup(sizeof(*cmd) + addr_count * ETH_ALEN, 4);
cmd = kzalloc(len, GFP_ATOMIC);
if (!cmd)
return 0;
if (pass_all) {
cmd->pass_all = 1;
return (u64)(unsigned long)cmd;
}
netdev_hw_addr_list_for_each(addr, mc_list) {
IWL_DEBUG_MAC80211(mvm, "mcast addr (%d): %pM\n",
cmd->count, addr->addr);
memcpy(&cmd->addr_list[cmd->count * ETH_ALEN],
addr->addr, ETH_ALEN);
cmd->count++;
}
return (u64)(unsigned long)cmd;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Eliad Peller | 139 | 75.96% | 1 | 25.00% |
Emmanuel Grumbach | 16 | 8.74% | 1 | 25.00% |
Max Stepanov | 15 | 8.20% | 1 | 25.00% |
Johannes Berg | 13 | 7.10% | 1 | 25.00% |
Total | 183 | 100.00% | 4 | 100.00% |
static void iwl_mvm_configure_filter(struct ieee80211_hw *hw,
unsigned int changed_flags,
unsigned int *total_flags,
u64 multicast)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
struct iwl_mcast_filter_cmd *cmd = (void *)(unsigned long)multicast;
mutex_lock(&mvm->mutex);
/* replace previous configuration */
kfree(mvm->mcast_filter_cmd);
mvm->mcast_filter_cmd = cmd;
if (!cmd)
goto out;
iwl_mvm_recalc_multicast(mvm);
out:
mutex_unlock(&mvm->mutex);
*total_flags = 0;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Eliad Peller | 58 | 59.18% | 1 | 33.33% |
Johannes Berg | 22 | 22.45% | 1 | 33.33% |
Emmanuel Grumbach | 18 | 18.37% | 1 | 33.33% |
Total | 98 | 100.00% | 3 | 100.00% |
static void iwl_mvm_config_iface_filter(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
unsigned int filter_flags,
unsigned int changed_flags)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
/* We support only filter for probe requests */
if (!(changed_flags & FIF_PROBE_REQ))
return;
/* Supported only for p2p client interfaces */
if (vif->type != NL80211_IFTYPE_STATION || !vif->bss_conf.assoc ||
!vif->p2p)
return;
mutex_lock(&mvm->mutex);
iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
mutex_unlock(&mvm->mutex);
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Andrei Otcheretianski | 94 | 100.00% | 1 | 100.00% |
Total | 94 | 100.00% | 1 | 100.00% |
#ifdef CONFIG_IWLWIFI_BCAST_FILTERING
struct iwl_bcast_iter_data {
struct iwl_mvm *mvm;
struct iwl_bcast_filter_cmd *cmd;
u8 current_filter;
};
static void
iwl_mvm_set_bcast_filter(struct ieee80211_vif *vif,
const struct iwl_fw_bcast_filter *in_filter,
struct iwl_fw_bcast_filter *out_filter)
{
struct iwl_fw_bcast_filter_attr *attr;
int i;
memcpy(out_filter, in_filter, sizeof(*out_filter));
for (i = 0; i < ARRAY_SIZE(out_filter->attrs); i++) {
attr = &out_filter->attrs[i];
if (!attr->mask)
break;
switch (attr->reserved1) {
case cpu_to_le16(BC_FILTER_MAGIC_IP):
if (vif->bss_conf.arp_addr_cnt != 1) {
attr->mask = 0;
continue;
}
attr->val = vif->bss_conf.arp_addr_list[0];
break;
case cpu_to_le16(BC_FILTER_MAGIC_MAC):
attr->val = *(__be32 *)&vif->addr[2];
break;
default:
break;
}
attr->reserved1 = 0;
out_filter->num_attrs++;
}
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Eliad Peller | 165 | 100.00% | 2 | 100.00% |
Total | 165 | 100.00% | 2 | 100.00% |
static void iwl_mvm_bcast_filter_iterator(void *_data, u8 *mac,
struct ieee80211_vif *vif)
{
struct iwl_bcast_iter_data *data = _data;
struct iwl_mvm *mvm = data->mvm;
struct iwl_bcast_filter_cmd *cmd = data->cmd;
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
struct iwl_fw_bcast_mac *bcast_mac;
int i;
if (WARN_ON(mvmvif->id >= ARRAY_SIZE(cmd->macs)))
return;
bcast_mac = &cmd->macs[mvmvif->id];
/*
* enable filtering only for associated stations, but not for P2P
* Clients
*/
if (vif->type != NL80211_IFTYPE_STATION || vif->p2p ||
!vif->bss_conf.assoc)
return;
bcast_mac->default_discard = 1;
/* copy all configured filters */
for (i = 0; mvm->bcast_filters[i].attrs[0].mask; i++) {
/*
* Make sure we don't exceed our filters limit.
* if there is still a valid filter to be configured,
* be on the safe side and just allow bcast for this mac.
*/
if (WARN_ON_ONCE(data->current_filter >=
ARRAY_SIZE(cmd->filters))) {
bcast_mac->default_discard = 0;
bcast_mac->attached_filters = 0;
break;
}
iwl_mvm_set_bcast_filter(vif,
&mvm->bcast_filters[i],
&cmd->filters[data->current_filter]);
/* skip current filter if it contains no attributes */
if (!cmd->filters[data->current_filter].num_attrs)
continue;
/* attach the filter to current mac */
bcast_mac->attached_filters |=
cpu_to_le16(BIT(data->current_filter));
data->current_filter++;
}
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Eliad Peller | 230 | 97.87% | 1 | 50.00% |
Ilan Peer | 5 | 2.13% | 1 | 50.00% |
Total | 235 | 100.00% | 2 | 100.00% |
bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm,
struct iwl_bcast_filter_cmd *cmd)
{
struct iwl_bcast_iter_data iter_data = {
.mvm = mvm,
.cmd = cmd,
};
if (IWL_MVM_FW_BCAST_FILTER_PASS_ALL)
return false;
memset(cmd, 0, sizeof(*cmd));
cmd->max_bcast_filters = ARRAY_SIZE(cmd->filters);
cmd->max_macs = ARRAY_SIZE(cmd->macs);
#ifdef CONFIG_IWLWIFI_DEBUGFS
/* use debugfs filters/macs if override is configured */
if (mvm->dbgfs_bcast_filtering.override) {
memcpy(cmd->filters, &mvm->dbgfs_bcast_filtering.cmd.filters,
sizeof(cmd->filters));
memcpy(cmd->macs, &mvm->dbgfs_bcast_filtering.cmd.macs,
sizeof(cmd->macs));
return true;
}
#endif
/* if no filters are configured, do nothing */
if (!mvm->bcast_filters)
return false;
/* configure and attach these filters for each associated sta vif */
ieee80211_iterate_active_interfaces(
mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
iwl_mvm_bcast_filter_iterator, &iter_data);
return true;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Eliad Peller | 160 | 95.81% | 2 | 66.67% |
Max Stepanov | 7 | 4.19% | 1 | 33.33% |
Total | 167 | 100.00% | 3 | 100.00% |
static int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm)
{
struct iwl_bcast_filter_cmd cmd;
if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BCAST_FILTERING))
return 0;
if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd))
return 0;
return iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0,
sizeof(cmd), &cmd);
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Eliad Peller | 64 | 98.46% | 2 | 66.67% |
Emmanuel Grumbach | 1 | 1.54% | 1 | 33.33% |
Total | 65 | 100.00% | 3 | 100.00% |
#else
static inline int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm)
{
return 0;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Eliad Peller | 15 | 100.00% | 1 | 100.00% |
Total | 15 | 100.00% | 1 | 100.00% |
#endif
static int iwl_mvm_update_mu_groups(struct iwl_mvm *mvm,
struct ieee80211_vif *vif)
{
struct iwl_mu_group_mgmt_cmd cmd = {};
memcpy(cmd.membership_status, vif->bss_conf.mu_group.membership,
WLAN_MEMBERSHIP_LEN);
memcpy(cmd.user_position, vif->bss_conf.mu_group.position,
WLAN_USER_POSITION_LEN);
return iwl_mvm_send_cmd_pdu(mvm,
WIDE_ID(DATA_PATH_GROUP,
UPDATE_MU_GROUPS_CMD),
0, sizeof(cmd), &cmd);
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Sara Sharon | 79 | 100.00% | 1 | 100.00% |
Total | 79 | 100.00% | 1 | 100.00% |
static void iwl_mvm_mu_mimo_iface_iterator(void *_data, u8 *mac,
struct ieee80211_vif *vif)
{
if (vif->mu_mimo_owner) {
struct iwl_mu_group_mgmt_notif *notif = _data;
/*
* MU-MIMO Group Id action frame is little endian. We treat
* the data received from firmware as if it came from the
* action frame, so no conversion is needed.
*/
ieee80211_update_mu_groups(vif,
(u8 *)¬if->membership_status,
(u8 *)¬if->user_position);
}
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Sara Sharon | 58 | 100.00% | 1 | 100.00% |
Total | 58 | 100.00% | 1 | 100.00% |
void iwl_mvm_mu_mimo_grp_notif(struct iwl_mvm *mvm,
struct iwl_rx_cmd_buffer *rxb)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
struct iwl_mu_group_mgmt_notif *notif = (void *)pkt->data;
ieee80211_iterate_active_interfaces_atomic(
mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
iwl_mvm_mu_mimo_iface_iterator, notif);
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Sara Sharon | 51 | 100.00% | 1 | 100.00% |
Total | 51 | 100.00% | 1 | 100.00% |
static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *bss_conf,
u32 changes)
{
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
int ret;
/*
* Re-calculate the tsf id, as the master-slave relations depend on the
* beacon interval, which was not known when the station interface was
* added.
*/
if (changes & BSS_CHANGED_ASSOC && bss_conf->assoc)
iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif);
if (changes & BSS_CHANGED_ASSOC && !bss_conf->assoc &&
mvmvif->lqm_active)
iwl_mvm_send_lqm_cmd(vif, LQM_CMD_OPERATION_STOP_MEASUREMENT,
0, 0);
/*
* If we're not associated yet, take the (new) BSSID before associating
* so the firmware knows. If we're already associated, then use the old
* BSSID here, and we'll send a cleared one later in the CHANGED_ASSOC
* branch for disassociation below.
*/
if (changes & BSS_CHANGED_BSSID && !mvmvif->associated)
memcpy(mvmvif->bssid, bss_conf->bssid, ETH_ALEN);
ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, mvmvif->bssid);
if (ret)
IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr);
/* after sending it once, adopt mac80211 data */
memcpy(mvmvif->bssid, bss_conf->bssid, ETH_ALEN);
mvmvif->associated = bss_conf->assoc;
if (changes & BSS_CHANGED_ASSOC) {
if (bss_conf->assoc) {
/* clear statistics to get clean beacon counter */
iwl_mvm_request_statistics(mvm, true);
memset(&mvmvif->beacon_stats, 0,
sizeof(mvmvif->beacon_stats));
/* add quota for this interface */
ret = iwl_mvm_update_quotas(mvm, true, NULL);
if (ret) {
IWL_ERR(mvm, "failed to update quotas\n");
return;
}
if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART,
&mvm->status)) {
/*
* If we're restarting then the firmware will
* obviously have lost synchronisation with
* the AP. It will attempt to synchronise by
* itself, but we can make it more reliable by
* scheduling a session protection time event.
*
* The firmware needs to receive a beacon to
* catch up with synchronisation, use 110% of
* the beacon interval.
*
* Set a large maximum delay to allow for more
* than a single interface.
*/
u32 dur = (11 * vif->bss_conf.beacon_int) / 10;
iwl_mvm_protect_session(mvm, vif, dur, dur,
5 * dur, false);
}
iwl_mvm_sf_update(mvm, vif, false);
iwl_mvm_power_vif_assoc(mvm, vif);
if (vif->p2p) {
iwl_mvm_ref(mvm, IWL_MVM_REF_P2P_CLIENT);
iwl_mvm_update_smps(mvm, vif,
IWL_MVM_SMPS_REQ_PROT,
IEEE80211_SMPS_DYNAMIC);
}
} else if (mvmvif->ap_sta_id != IWL_MVM_STATION_COUNT) {
/*
* If update fails - SF might be running in associated
* mode while disassociated - which is forbidden.
*/
WARN_ONCE(iwl_mvm_sf_update(mvm, vif, false),
"Failed to update SF upon disassociation\n");
/* remove AP station now that the MAC is unassoc */
ret = iwl_mvm_rm_sta_id(mvm, vif, mvmvif->ap_sta_id);
if (ret)
IWL_ERR(mvm, "failed to remove AP station\n");
if (mvm->d0i3_ap_sta_id == mvmvif->ap_sta_id)
mvm->d0i3_ap_sta_id = IWL_MVM_STATION_COUNT;
mvmvif->ap_sta_id = IWL_MVM_STATION_COUNT;
/* remove quota for this interface */
ret = iwl_mvm_update_quotas(mvm, false, NULL);
if (ret)
IWL_ERR(mvm, "failed to update quotas\n");
if (vif->p2p)
iwl_mvm_unref(mvm, IWL_MVM_REF_P2P_CLIENT);
/* this will take the cleared BSSID from bss_conf */
ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
if (ret)
IWL_ERR(mvm,
"failed to update MAC %pM (clear after unassoc)\n",
vif->addr);
}
/*
* The firmware tracks the MU-MIMO group on its own.
* However, on HW restart we should restore this data.
*/
if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) &&
(changes & BSS_CHANGED_MU_GROUPS) && vif->mu_mimo_owner) {
ret = iwl_mvm_update_mu_groups(mvm, vif);
if (ret)
IWL_ERR(mvm,
"failed to update VHT MU_MIMO groups\n");
}
iwl_mvm_recalc_multicast(mvm);
iwl_mvm_configure_bcast_filter(mvm);
/* reset rssi values */
mvmvif->bf_data.ave_beacon_signal = 0;
iwl_mvm_bt_coex_vif_change(mvm);
iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_TT,
IEEE80211_SMPS_AUTOMATIC);
if (fw_has_capa(&mvm->fw->ucode_capa,
IWL_UCODE_TLV_CAPA_UMAC_SCAN))
iwl_mvm_config_scan(mvm);
}
if (changes & BSS_CHANGED_BEACON_INFO) {
/*
* We received a beacon from the associated AP so
* remove the session protection.
*/
iwl_mvm_remove_time_event(mvm, mvmvif,
&mvmvif->time_event_data);
iwl_mvm_sf_update(mvm, vif, false);
WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0));
}
if (changes & (BSS_CHANGED_PS | BSS_CHANGED_P2P_PS | BSS_CHANGED_QOS |
/*
* Send power command on every beacon change,
* because we may have not enabled beacon abort yet.
*/
BSS_CHANGED_BEACON_INFO)) {
ret = iwl_mvm_power_update_mac(mvm);
if (ret)
IWL_ERR(mvm, "failed to update power mode\n");
}
if (changes & BSS_CHANGED_TXPOWER) {
IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d\n",
bss_conf->txpower);
iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower);
}
if (changes & BSS_CHANGED_CQM) {
IWL_DEBUG_MAC80211(mvm, "cqm info_changed\n");
/* reset cqm events tracking */
mvmvif->bf_data.last_cqm_event = 0;
if (mvmvif->bf_data.bf_enabled) {
ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0);
if (ret)
IWL_ERR(mvm,
"failed to update CQM thresholds\n");
}
}
if (changes & BSS_CHANGED_ARP_FILTER) {
IWL_DEBUG_MAC80211(mvm, "arp filter changed\n");
iwl_mvm_configure_bcast_filter(mvm);
}
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Johannes Berg | 371 | 50.54% | 8 | 21.62% |
Eliad Peller | 72 | 9.81% | 6 | 16.22% |
Andrei Otcheretianski | 51 | 6.95% | 1 | 2.70% |
Sara Sharon | 45 | 6.13% | 2 | 5.41% |
Emmanuel Grumbach | 34 | 4.63% | 6 | 16.22% |
Matti Gottlieb | 30 | 4.09% | 1 | 2.70% |
Aviya Erenfeld | 26 | 3.54% | 1 | 2.70% |
Lilach Edelstein | 24 | 3.27% | 1 | 2.70% |
Avraham Stern | 20 | 2.72% | 2 | 5.41% |
Ilan Peer | 18 | 2.45% | 1 | 2.70% |
Eran Harary | 16 | 2.18% | 1 | 2.70% |
Avri Altman | 14 | 1.91% | 2 | 5.41% |
Alexander Bondar | 9 | 1.23% | 3 | 8.11% |
Liad Kaufman | 2 | 0.27% | 1 | 2.70% |
Luciano Coelho | 2 | 0.27% | 1 | 2.70% |
Total | 734 | 100.00% | 37 | 100.00% |
static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
int ret;
/*
* iwl_mvm_mac_ctxt_add() might read directly from the device
* (the system time), so make sure it is available.
*/
ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_START_AP);
if (ret)
return ret;
mutex_lock(&mvm->mutex);
/* Send the beacon template */
ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif);
if (ret)
goto out_unlock;
/*
* Re-calculate the tsf id, as the master-slave relations depend on the
* beacon interval, which was not known when the AP interface was added.
*/
if (vif->type == NL80211_IFTYPE_AP)
iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif);
mvmvif->ap_assoc_sta_count = 0;
/* Add the mac context */
ret = iwl_mvm_mac_ctxt_add(mvm, vif);
if (ret)
goto out_unlock;
/* Perform the binding */
ret = iwl_mvm_binding_add_vif(mvm, vif);
if (ret)
goto out_remove;
/* Send the bcast station. At this stage the TBTT and DTIM time events
* are added and applied to the scheduler */
ret = iwl_mvm_send_add_bcast_sta(mvm, vif);
if (ret)
goto out_unbind;
/* must be set before quota calculations */
mvmvif->ap_ibss_active = true;
/* power updated needs to be done before quotas */
iwl_mvm_power_update_mac(mvm);
ret = iwl_mvm_update_quotas(mvm, false, NULL);
if (ret)
goto out_quota_failed;
/* Need to update the P2P Device MAC (only GO, IBSS is single vif) */
if (vif->p2p && mvm->p2p_device_vif)
iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL);
iwl_mvm_ref(mvm, IWL_MVM_REF_AP_IBSS);
iwl_mvm_bt_coex_vif_change(mvm);
/* we don't support TDLS during DCM */
if (iwl_mvm_phy_ctx_count(mvm) > 1)
iwl_mvm_teardown_tdls_peers(mvm);
goto out_unlock;
out_quota_failed:
iwl_mvm_power_update_mac(mvm);
mvmvif->ap_ibss_active = false;
iwl_mvm_send_rm_bcast_sta(mvm, vif);
out_unbind:
iwl_mvm_binding_remove_vif(mvm, vif);
out_remove:
iwl_mvm_mac_ctxt_remove(mvm, vif);
out_unlock:
mutex_unlock(&mvm->mutex);
iwl_mvm_unref(mvm, IWL_MVM_REF_START_AP);
return ret;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Johannes Berg | 191 | 64.31% | 5 | 29.41% |
Ilan Peer | 40 | 13.47% | 3 | 17.65% |
Eliad Peller | 31 | 10.44% | 2 | 11.76% |
Arik Nemtsov | 18 | 6.06% | 2 | 11.76% |
Emmanuel Grumbach | 9 | 3.03% | 3 | 17.65% |
Gregory Greenman | 6 | 2.02% | 1 | 5.88% |
Luciano Coelho | 2 | 0.67% | 1 | 5.88% |
Total | 297 | 100.00% | 17 | 100.00% |
static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
iwl_mvm_prepare_mac_removal(mvm, vif);
mutex_lock(&mvm->mutex);
/* Handle AP stop while in CSA */
if (rcu_access_pointer(mvm->csa_vif) == vif) {
iwl_mvm_remove_time_event(mvm, mvmvif,
&mvmvif->time_event_data);
RCU_INIT_POINTER(mvm->csa_vif, NULL);
mvmvif->csa_countdown = false;
}
if (rcu_access_pointer(mvm->csa_tx_blocked_vif) == vif) {
RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL);
mvm->csa_tx_block_bcn_timeout = 0;
}
mvmvif->ap_ibss_active = false;
mvm->ap_last_beacon_gp2 = 0;
iwl_mvm_bt_coex_vif_change(mvm);
iwl_mvm_unref(mvm, IWL_MVM_REF_AP_IBSS);
/* Need to update the P2P Device MAC (only GO, IBSS is single vif) */
if (vif->p2p && mvm->p2p_device_vif)
iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL);
iwl_mvm_update_quotas(mvm, false, NULL);
iwl_mvm_send_rm_bcast_sta(mvm, vif);
iwl_mvm_binding_remove_vif(mvm, vif);
iwl_mvm_power_update_mac(mvm);
iwl_mvm_mac_ctxt_remove(mvm, vif);
mutex_unlock(&mvm->mutex);
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Johannes Berg | 115 | 54.50% | 5 | 31.25% |
Andrei Otcheretianski | 63 | 29.86% | 3 | 18.75% |
Emmanuel Grumbach | 8 | 3.79% | 3 | 18.75% |
Eliad Peller | 7 | 3.32% | 1 | 6.25% |
David Spinadel | 6 | 2.84% | 1 | 6.25% |
Avraham Stern | 6 | 2.84% | 1 | 6.25% |
Ilan Peer | 4 | 1.90% | 1 | 6.25% |
Luciano Coelho | 2 | 0.95% | 1 | 6.25% |
Total | 211 | 100.00% | 16 | 100.00% |
static void
iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm *mvm,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *bss_conf,
u32 changes)
{
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
/* Changes will be applied when the AP/IBSS is started */
if (!mvmvif->ap_ibss_active)
return;
if (changes & (BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_HT |
BSS_CHANGED_BANDWIDTH | BSS_CHANGED_QOS) &&
iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL))
IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr);
/* Need to send a new beacon template to the FW */
if (changes & BSS_CHANGED_BEACON &&
iwl_mvm_mac_ctxt_beacon_changed(mvm, vif))
IWL_WARN(mvm, "Failed updating beacon data\n");
if (changes & BSS_CHANGED_TXPOWER) {
IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d\n",
bss_conf->txpower);
iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower);
}
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Johannes Berg | 57 | 43.85% | 5 | 55.56% |
Haim Dreyfuss | 30 | 23.08% | 1 | 11.11% |
Avri Altman | 22 | 16.92% | 1 | 11.11% |
Ilan Peer | 19 | 14.62% | 1 | 11.11% |
Luciano Coelho | 2 | 1.54% | 1 | 11.11% |
Total | 130 | 100.00% | 9 | 100.00% |
static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *bss_conf,
u32 changes)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
/*
* iwl_mvm_bss_info_changed_station() might call
* iwl_mvm_protect_session(), which reads directly from
* the device (the system time), so make sure it is available.
*/
if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_BSS_CHANGED))
return;
mutex_lock(&mvm->mutex);
if (changes & BSS_CHANGED_IDLE && !bss_conf->idle)
iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, true);
switch (vif->type) {
case NL80211_IFTYPE_STATION:
iwl_mvm_bss_info_changed_station(mvm, vif, bss_conf, changes);
break;
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_ADHOC:
iwl_mvm_bss_info_changed_ap_ibss(mvm, vif, bss_conf, changes);
break;
case NL80211_IFTYPE_MONITOR:
if (changes & BSS_CHANGED_MU_GROUPS)
iwl_mvm_update_mu_groups(mvm, vif);
break;
default:
/* shouldn't happen */
WARN_ON_ONCE(1);
}
mutex_unlock(&mvm->mutex);
iwl_mvm_unref(mvm, IWL_MVM_REF_BSS_CHANGED);
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Johannes Berg | 98 | 64.05% | 2 | 33.33% |
Eliad Peller | 18 | 11.76% | 1 | 16.67% |
Aviya Erenfeld | 17 | 11.11% | 1 | 16.67% |
David Spinadel | 17 | 11.11% | 1 | 16.67% |
Luciano Coelho | 3 | 1.96% | 1 | 16.67% |
Total | 153 | 100.00% | 6 | 100.00% |
static int iwl_mvm_mac_hw_scan(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_scan_request *hw_req)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
int ret;
if (hw_req->req.n_channels == 0 ||
hw_req->req.n_channels > mvm->fw->ucode_capa.n_scan_channels)
return -EINVAL;
mutex_lock(&mvm->mutex);
ret = iwl_mvm_reg_scan_start(mvm, vif, &hw_req->req, &hw_req->ies);
mutex_unlock(&mvm->mutex);
return ret;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Johannes Berg | 40 | 40.00% | 1 | 14.29% |
Eliad Peller | 33 | 33.00% | 1 | 14.29% |
David Spinadel | 14 | 14.00% | 4 | 57.14% |
Luciano Coelho | 13 | 13.00% | 1 | 14.29% |
Total | 100 | 100.00% | 7 | 100.00% |
static void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
mutex_lock(&mvm->mutex);
/* Due to a race condition, it's possible that mac80211 asks
* us to stop a hw_scan when it's already stopped. This can
* happen, for instance, if we stopped the scan ourselves,
* called ieee80211_scan_completed() and the userspace called
* cancel scan scan before ieee80211_scan_work() could run.
* To handle that, simply return if the scan is not running.
*/
if (mvm->scan_status & IWL_MVM_SCAN_REGULAR)
iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_REGULAR, true);
mutex_unlock(&mvm->mutex);
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Johannes Berg | 39 | 65.00% | 2 | 20.00% |
Eliad Peller | 7 | 11.67% | 1 | 10.00% |
Luciano Coelho | 5 | 8.33% | 3 | 30.00% |
David Spinadel | 5 | 8.33% | 2 | 20.00% |
Arik Nemtsov | 4 | 6.67% | 2 | 20.00% |
Total | 60 | 100.00% | 10 | 100.00% |
static void
iwl_mvm_mac_allow_buffered_frames(struct ieee80211_hw *hw,
struct ieee80211_sta *sta, u16 tids,
int num_frames,
enum ieee80211_frame_release_type reason,
bool more_data)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
/* Called when we need to transmit (a) frame(s) from mac80211 */
iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames,
tids, more_data, false);
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Johannes Berg | 57 | 100.00% | 2 | 100.00% |
Total | 57 | 100.00% | 2 | 100.00% |
static void
iwl_mvm_mac_release_buffered_frames(struct ieee80211_hw *hw,
struct ieee80211_sta *sta, u16 tids,
int num_frames,
enum ieee80211_frame_release_type reason,
bool more_data)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
/* Called when we need to transmit (a) frame(s) from agg or dqa queue */
iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames,
tids, more_data, true);
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Johannes Berg | 56 | 98.25% | 3 | 75.00% |
Sara Sharon | 1 | 1.75% | 1 | 25.00% |
Total | 57 | 100.00% | 4 | 100.00% |
static void __iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw,
enum sta_notify_cmd cmd,
struct ieee80211_sta *sta)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
unsigned long txqs = 0, tids = 0;
int tid;
spin_lock_bh(&mvmsta->lock);
for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) {
struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid];
if (!iwl_mvm_is_dqa_supported(mvm) &&
tid_data->state != IWL_AGG_ON &&
tid_data->state != IWL_EMPTYING_HW_QUEUE_DELBA)
continue;
__set_bit(tid_data->txq_id, &txqs);
if (iwl_mvm_tid_queued(tid_data) == 0)
continue;
__set_bit(tid, &tids);
}
switch (cmd) {
case STA_NOTIFY_SLEEP:
if (atomic_read(&mvm->pending_frames[mvmsta->sta_id]) > 0)
ieee80211_sta_block_awake(hw, sta, true);
for_each_set_bit(tid, &tids, IWL_MAX_TID_COUNT)
ieee80211_sta_set_buffered(sta, tid, true);
if (txqs)
iwl_trans_freeze_txq_timer(mvm->trans, txqs, true);
/*
* The fw updates the STA to be asleep. Tx packets on the Tx
* queues to this station will not be transmitted. The fw will
* send a Tx response with TX_STATUS_FAIL_DEST_PS.
*/
break;
case STA_NOTIFY_AWAKE:
if (WARN_ON(mvmsta->sta_id == IWL_MVM_STATION_COUNT))
break;
if (txqs)
iwl_trans_freeze_txq_timer(mvm->trans, txqs, false);
iwl_mvm_sta_modify_ps_wake(mvm, sta);
break;
default:
break;
}
spin_unlock_bh(&mvmsta->lock);
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Johannes Berg | 141 | 55.29% | 5 | 62.50% |
Emmanuel Grumbach | 108 | 42.35% | 2 | 25.00% |
Sara Sharon | 6 | 2.35% | 1 | 12.50% |
Total | 255 | 100.00% | 8 | 100.00% |
static void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
enum sta_notify_cmd cmd,
struct ieee80211_sta *sta)
{
__iwl_mvm_mac_sta_notify(hw, cmd, sta);
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Johannes Berg | 34 | 100.00% | 1 | 100.00% |
Total | 34 | 100.00% | 1 | 100.00% |
void iwl_mvm_sta_pm_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
struct iwl_mvm_pm_state_notification *notif = (void *)pkt->data;
struct ieee80211_sta *sta;
struct iwl_mvm_sta *mvmsta;
bool sleeping = (notif->type != IWL_MVM_PM_EVENT_AWAKE);
if (WARN_ON(notif->sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id)))
return;
rcu_read_lock();
sta = rcu_dereference(mvm->fw_id_to_mac_id[notif->sta_id]);
if (WARN_ON(IS_ERR_OR_NULL(sta))) {
rcu_read_unlock();
return;
}
mvmsta = iwl_mvm_sta_from_mac80211(sta);
if (!mvmsta->vif ||
mvmsta->vif->type != NL80211_IFTYPE_AP) {
rcu_read_unlock();
return;
}
if (mvmsta->sleeping != sleeping) {
mvmsta->sleeping = sleeping;
__iwl_mvm_mac_sta_notify(mvm->hw,
sleeping ? STA_NOTIFY_SLEEP : STA_NOTIFY_AWAKE,
sta);
ieee80211_sta_ps_transition(sta, sleeping);
}
if (sleeping) {
switch (notif->type) {
case IWL_MVM_PM_EVENT_AWAKE:
case IWL_MVM_PM_EVENT_ASLEEP:
break;
case IWL_MVM_PM_EVENT_UAPSD:
ieee80211_sta_uapsd_trigger(sta, IEEE80211_NUM_TIDS);
break;
case IWL_MVM_PM_EVENT_PS_POLL:
ieee80211_sta_pspoll(sta);
break;
default:
break;
}
}
rcu_read_unlock();
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Johannes Berg | 218 | 98.64% | 1 | 50.00% |
Sara Sharon | 3 | 1.36% | 1 | 50.00% |
Total | 221 | 100.00% | 2 | 100.00% |
static void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta);
/*
* This is called before mac80211 does RCU synchronisation,
* so here we already invalidate our internal RCU-protected
* station pointer. The rest of the code will thus no longer
* be able to find the station this way, and we don't rely
* on further RCU synchronisation after the sta_state()
* callback deleted the station.
*/
mutex_lock(&mvm->mutex);
if (sta == rcu_access_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id]))
rcu_assign_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id],
ERR_PTR(-ENOENT));
mutex_unlock(&mvm->mutex);
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Johannes Berg | 92 | 100.00% | 2 | 100.00% |
Total | 92 | 100.00% | 2 | 100.00% |
static void iwl_mvm_check_uapsd(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
const u8 *bssid)
{
if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT))
return;
if (vif->p2p && !iwl_mvm_is_p2p_scm_uapsd_supported(mvm)) {
vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD;
return;
}
if (!vif->p2p &&
(iwlwifi_mod_params.uapsd_disable & IWL_DISABLE_UAPSD_BSS)) {
vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD;
return;
}
vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Johannes Berg | 59 | 65.56% | 1 | 25.00% |
Avri Altman | 21 | 23.33% | 1 | 25.00% |
Emmanuel Grumbach | 9 | 10.00% | 1 | 25.00% |
Avraham Stern | 1 | 1.11% | 1 | 25.00% |
Total | 90 | 100.00% | 4 | 100.00% |
static void
iwl_mvm_tdls_check_trigger(struct iwl_mvm *mvm,
struct ieee80211_vif *vif, u8 *peer_addr,
enum nl80211_tdls_operation action)
{
struct iwl_fw_dbg_trigger_tlv *trig;
struct iwl_fw_dbg_trigger_tdls *tdls_trig;
if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_TDLS))
return;
trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_TDLS);
tdls_trig = (void *)trig->data;
if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trig))
return;
if (!(tdls_trig->action_bitmap & BIT(action)))
return;
if (tdls_trig->peer_mode &&
memcmp(tdls_trig->peer, peer_addr, ETH_ALEN) != 0)
return;
iwl_mvm_fw_dbg_collect_trig(mvm, trig,
"TDLS event occurred, peer %pM, action %d",
peer_addr, action);
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Golan Ben-Ami | 129 | 100.00% | 1 | 100.00% |
Total | 129 | 100.00% | 1 | 100.00% |
static void iwl_mvm_purge_deferred_tx_frames(struct iwl_mvm *mvm,
struct iwl_mvm_sta *mvm_sta)
{
struct iwl_mvm_tid_data *tid_data;
struct sk_buff *skb;
int i;
spin_lock_bh(&mvm_sta->lock);
for (i = 0; i <= IWL_MAX_TID_COUNT; i++) {
tid_data = &mvm_sta->tid_data[i];
while ((skb = __skb_dequeue(&tid_data->deferred_tx_frames)))
ieee80211_free_txskb(mvm->hw, skb);
}
spin_unlock_bh(&mvm_sta->lock);
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Liad Kaufman | 93 | 100.00% | 1 | 100.00% |
Total | 93 | 100.00% | 1 | 100.00% |
static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
enum ieee80211_sta_state old_state,
enum ieee80211_sta_state new_state)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta);
int ret;
IWL_DEBUG_MAC80211(mvm, "station %pM state change %d->%d\n",
sta->addr, old_state, new_state);
/* this would be a mac80211 bug ... but don't crash */
if (WARN_ON_ONCE(!mvmvif->phy_ctxt))
return -EINVAL;
/* if a STA is being removed, reuse its ID */
flush_work(&mvm->sta_drained_wk);
/*
* If we are in a STA removal flow and in DQA mode:
*
* This is after the sync_rcu part, so the queues have already been
* flushed. No more TXs on their way in mac80211's path, and no more in
* the queues.
* Also, we won't be getting any new TX frames for this station.
* What we might have are deferred TX frames that need to be taken care
* of.
*
* Drop any still-queued deferred-frame before removing the STA, and
* make sure the worker is no longer handling frames for this STA.
*/
if (old_state == IEEE80211_STA_NONE &&
new_state == IEEE80211_STA_NOTEXIST &&
iwl_mvm_is_dqa_supported(mvm)) {
iwl_mvm_purge_deferred_tx_frames(mvm, mvm_sta);
flush_work(&mvm->add_stream_wk);
/*
* No need to make sure deferred TX indication is off since the
* worker will already remove it if it was on
*/
}
mutex_lock(&mvm->mutex);
/* track whether or not the station is associated */
mvm_sta->associated = new_state >= IEEE80211_STA_ASSOC;
if (old_state == IEEE80211_STA_NOTEXIST &&
new_state == IEEE80211_STA_NONE) {
/*
* Firmware bug - it'll crash if the beacon interval is less
* than 16. We can't avoid connecting at all, so refuse the
* station state change, this will cause mac80211 to abandon
* attempts to connect to this AP, and eventually wpa_s will
* blacklist the AP...
*/
if (vif->type == NL80211_IFTYPE_STATION &&
vif->bss_conf.beacon_int < 16) {
IWL_ERR(mvm,
"AP %pM beacon interval is %d, refusing due to firmware bug!\n",
sta->addr, vif->bss_conf.beacon_int);
ret = -EINVAL;
goto out_unlock;
}
if (sta->tdls &&
(vif->p2p ||
iwl_mvm_tdls_sta_count(mvm, NULL) ==
IWL_MVM_TDLS_STA_COUNT ||
iwl_mvm_phy_ctx_count(mvm) > 1)) {
IWL_DEBUG_MAC80211(mvm, "refusing TDLS sta\n");
ret = -EBUSY;
goto out_unlock;
}
ret = iwl_mvm_add_sta(mvm, vif, sta);
if (sta->tdls && ret == 0) {
iwl_mvm_recalc_tdls_state(mvm, vif, true);
iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr,
NL80211_TDLS_SETUP);
}
} else if (old_state == IEEE80211_STA_NONE &&
new_state == IEEE80211_STA_AUTH) {
/*
* EBS may be disabled due to previous failures reported by FW.
* Reset EBS status here assuming environment has been changed.
*/
mvm->last_ebs_successful = true;
iwl_mvm_check_uapsd(mvm, vif, sta->addr);
ret = 0;
} else if (old_state == IEEE80211_STA_AUTH &&
new_state == IEEE80211_STA_ASSOC) {
if (vif->type == NL80211_IFTYPE_AP) {
mvmvif->ap_assoc_sta_count++;
iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
}
iwl_mvm_rs_rate_init(mvm, sta, mvmvif->phy_ctxt->channel->band,
true);
ret = iwl_mvm_update_sta(mvm, vif, sta);
} else if (old_state == IEEE80211_STA_ASSOC &&
new_state == IEEE80211_STA_AUTHORIZED) {
/* we don't support TDLS during DCM */
if (iwl_mvm_phy_ctx_count(mvm) > 1)
iwl_mvm_teardown_tdls_peers(mvm);
if (sta->tdls)
iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr,
NL80211_TDLS_ENABLE_LINK);
/* enable beacon filtering */
WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0));
ret = 0;
} else if (old_state == IEEE80211_STA_AUTHORIZED &&
new_state == IEEE80211_STA_ASSOC) {
/* disable beacon filtering */
WARN_ON(iwl_mvm_disable_beacon_filter(mvm, vif, 0));
ret = 0;
} else if (old_state == IEEE80211_STA_ASSOC &&
new_state == IEEE80211_STA_AUTH) {
if (vif->type == NL80211_IFTYPE_AP) {
mvmvif->ap_assoc_sta_count--;
iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
}
ret = 0;
} else if (old_state == IEEE80211_STA_AUTH &&
new_state == IEEE80211_STA_NONE) {
ret = 0;
} else if (old_state == IEEE80211_STA_NONE &&
new_state == IEEE80211_STA_NOTEXIST) {
ret = iwl_mvm_rm_sta(mvm, vif, sta);
if (sta->tdls) {
iwl_mvm_recalc_tdls_state(mvm, vif, false);
iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr,
NL80211_TDLS_DISABLE_LINK);
}
} else {
ret = -EIO;
}
out_unlock:
mutex_unlock(&mvm->mutex);
if (sta->tdls && ret == 0) {
if (old_state == IEEE80211_STA_NOTEXIST &&
new_state == IEEE80211_STA_NONE)
ieee80211_reserve_tid(sta, IWL_MVM_TDLS_FW_TID);
else if (old_state == IEEE80211_STA_NONE &&
new_state == IEEE80211_STA_NOTEXIST)
ieee80211_unreserve_tid(sta, IWL_MVM_TDLS_FW_TID);
}
return ret;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Johannes Berg | 354 | 52.37% | 4 | 23.53% |
Arik Nemtsov | 94 | 13.91% | 3 | 17.65% |
Liad Kaufman | 81 | 11.98% | 2 | 11.76% |
Ayala Beker | 52 | 7.69% | 1 | 5.88% |
Golan Ben-Ami | 49 | 7.25% | 1 | 5.88% |
Hila Gonen | 22 | 3.25% | 1 | 5.88% |
Mordechai Goodstein | 11 | 1.63% | 1 | 5.88% |
Haim Dreyfuss | 7 | 1.04% | 1 | 5.88% |
Eliad Peller | 2 | 0.30% | 1 | 5.88% |
Emmanuel Grumbach | 2 | 0.30% | 1 | 5.88% |
Eyal Shapira | 2 | 0.30% | 1 | 5.88% |
Total | 676 | 100.00% | 17 | 100.00% |
static int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
mvm->rts_threshold = value;
return 0;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Johannes Berg | 33 | 100.00% | 1 | 100.00% |
Total | 33 | 100.00% | 1 | 100.00% |
static void iwl_mvm_sta_rc_update(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta, u32 changed)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
if (vif->type == NL80211_IFTYPE_STATION &&
changed & IEEE80211_RC_NSS_CHANGED)
iwl_mvm_sf_update(mvm, vif, false);
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Lilach Edelstein | 55 | 100.00% | 1 | 100.00% |
Total | 55 | 100.00% | 1 | 100.00% |
static int iwl_mvm_mac_conf_tx(struct ieee80211_hw *hw,
struct ieee80211_vif *vif, u16 ac,
const struct ieee80211_tx_queue_params *params)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
mvmvif->queue_params[ac] = *params;
/*
* No need to update right away, we'll get BSS_CHANGED_QOS
* The exception is P2P_DEVICE interface which needs immediate update.
*/
if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
int ret;
mutex_lock(&mvm->mutex);
ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
mutex_unlock(&mvm->mutex);
return ret;
}
return 0;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Johannes Berg | 102 | 98.08% | 2 | 66.67% |
Luciano Coelho | 2 | 1.92% | 1 | 33.33% |
Total | 104 | 100.00% | 3 | 100.00% |
static void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
u32 duration = IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS;
u32 min_duration = IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS;
if (WARN_ON_ONCE(vif->bss_conf.assoc))
return;
/*
* iwl_mvm_protect_session() reads directly from the device
* (the system time), so make sure it is available.
*/
if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PREPARE_TX))
return;
mutex_lock(&mvm->mutex);
/* Try really hard to protect the session and hear a beacon */
iwl_mvm_protect_session(mvm, vif, duration, min_duration, 500, false);
mutex_unlock(&mvm->mutex);
iwl_mvm_unref(mvm, IWL_MVM_REF_PREPARE_TX);
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Johannes Berg | 78 | 79.59% | 2 | 50.00% |
Eliad Peller | 18 | 18.37% | 1 | 25.00% |
Liad Kaufman | 2 | 2.04% | 1 | 25.00% |
Total | 98 | 100.00% | 4 | 100.00% |
static int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct cfg80211_sched_scan_request *req,
struct ieee80211_scan_ies *ies)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
int ret;
mutex_lock(&mvm->mutex);
if (!vif->bss_conf.idle) {
ret = -EBUSY;
goto out;
}
ret = iwl_mvm_sched_scan_start(mvm, vif, req, ies, IWL_MVM_SCAN_SCHED);
out:
mutex_unlock(&mvm->mutex);
return ret;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
David Spinadel | 72 | 76.60% | 2 | 40.00% |
Alexander Bondar | 19 | 20.21% | 1 | 20.00% |
Luciano Coelho | 3 | 3.19% | 2 | 40.00% |
Total | 94 | 100.00% | 5 | 100.00% |
static int iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
int ret;
mutex_lock(&mvm->mutex);
/* Due to a race condition, it's possible that mac80211 asks
* us to stop a sched_scan when it's already stopped. This
* can happen, for instance, if we stopped the scan ourselves,
* called ieee80211_sched_scan_stopped() and the userspace called
* stop sched scan scan before ieee80211_sched_scan_stopped_work()
* could run. To handle this, simply return if the scan is
* not running.
*/
if (!(mvm->scan_status & IWL_MVM_SCAN_SCHED)) {
mutex_unlock(&mvm->mutex);
return 0;
}
ret = iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, false);
mutex_unlock(&mvm->mutex);
iwl_mvm_wait_for_async_handlers(mvm);
return ret;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
David Spinadel | 47 | 52.81% | 2 | 33.33% |
Luciano Coelho | 28 | 31.46% | 2 | 33.33% |
Arik Nemtsov | 11 | 12.36% | 1 | 16.67% |
Johannes Berg | 3 | 3.37% | 1 | 16.67% |
Total | 89 | 100.00% | 6 | 100.00% |
static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw,
enum set_key_cmd cmd,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
struct ieee80211_key_conf *key)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
struct iwl_mvm_sta *mvmsta;
struct iwl_mvm_key_pn *ptk_pn;
int keyidx = key->keyidx;
int ret;
u8 key_offset;
if (iwlwifi_mod_params.sw_crypto) {
IWL_DEBUG_MAC80211(mvm, "leave - hwcrypto disabled\n");
return -EOPNOTSUPP;
}
switch (key->cipher) {
case WLAN_CIPHER_SUITE_TKIP:
key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE;
break;
case WLAN_CIPHER_SUITE_CCMP:
case WLAN_CIPHER_SUITE_GCMP:
case WLAN_CIPHER_SUITE_GCMP_256:
key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE;
break;
case WLAN_CIPHER_SUITE_AES_CMAC:
case WLAN_CIPHER_SUITE_BIP_GMAC_128:
case WLAN_CIPHER_SUITE_BIP_GMAC_256:
WARN_ON_ONCE(!ieee80211_hw_check(hw, MFP_CAPABLE));
break;
case WLAN_CIPHER_SUITE_WEP40:
case WLAN_CIPHER_SUITE_WEP104:
/* For non-client mode, only use WEP keys for TX as we probably
* don't have a station yet anyway and would then have to keep
* track of the keys, linking them to each of the clients/peers
* as they appear. For now, don't do that, for performance WEP
* offload doesn't really matter much, but we need it for some
* other offload features in client mode.
*/
if (vif->type != NL80211_IFTYPE_STATION)
return 0;
break;
default:
/* currently FW supports only one optional cipher scheme */
if (hw->n_cipher_schemes &&
hw->cipher_schemes->cipher == key->cipher)
key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE;
else
return -EOPNOTSUPP;
}
mutex_lock(&mvm->mutex);
switch (cmd) {
case SET_KEY:
if ((vif->type == NL80211_IFTYPE_ADHOC ||
vif->type == NL80211_IFTYPE_AP) && !sta) {
/*
* GTK on AP interface is a TX-only key, return 0;
* on IBSS they're per-station and because we're lazy
* we don't support them for RX, so do the same.
* CMAC/GMAC in AP/IBSS modes must be done in software.
*/
if (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC ||
key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_128 ||
key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_256)
ret = -EOPNOTSUPP;
else
ret = 0;
key->hw_key_idx = STA_KEY_IDX_INVALID;
break;
}
/* During FW restart, in order to restore the state as it was,
* don't try to reprogram keys we previously failed for.
*/
if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) &&
key->hw_key_idx == STA_KEY_IDX_INVALID) {
IWL_DEBUG_MAC80211(mvm,
"skip invalid idx key programming during restart\n");
ret = 0;
break;
}
if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) &&
sta && iwl_mvm_has_new_rx_api(mvm) &&
key->flags & IEEE80211_KEY_FLAG_PAIRWISE &&
(key->cipher == WLAN_CIPHER_SUITE_CCMP ||
key->cipher == WLAN_CIPHER_SUITE_GCMP ||
key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) {
struct ieee80211_key_seq seq;
int tid, q;
mvmsta = iwl_mvm_sta_from_mac80211(sta);
WARN_ON(rcu_access_pointer(mvmsta->ptk_pn[keyidx]));
ptk_pn = kzalloc(sizeof(*ptk_pn) +
mvm->trans->num_rx_queues *
sizeof(ptk_pn->q[0]),
GFP_KERNEL);
if (!ptk_pn) {
ret = -ENOMEM;
break;
}
for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) {
ieee80211_get_key_rx_seq(key, tid, &seq);
for (q = 0; q < mvm->trans->num_rx_queues; q++)
memcpy(ptk_pn->q[q].pn[tid],
seq.ccmp.pn,
IEEE80211_CCMP_PN_LEN);
}
rcu_assign_pointer(mvmsta->ptk_pn[keyidx], ptk_pn);
}
/* in HW restart reuse the index, otherwise request a new one */
if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
key_offset = key->hw_key_idx;
else
key_offset = STA_KEY_IDX_INVALID;
IWL_DEBUG_MAC80211(mvm, "set hwcrypto key\n");
ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, key_offset);
if (ret) {
IWL_WARN(mvm, "set key failed\n");
/*
* can't add key for RX, but we don't need it
* in the device for TX so still return 0
*/
key->hw_key_idx = STA_KEY_IDX_INVALID;
ret = 0;
}
break;
case DISABLE_KEY:
if (key->hw_key_idx == STA_KEY_IDX_INVALID) {
ret = 0;
break;
}
if (sta && iwl_mvm_has_new_rx_api(mvm) &&
key->flags & IEEE80211_KEY_FLAG_PAIRWISE &&
(key->cipher == WLAN_CIPHER_SUITE_CCMP ||
key->cipher == WLAN_CIPHER_SUITE_GCMP ||
key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) {
mvmsta = iwl_mvm_sta_from_mac80211(sta);
ptk_pn = rcu_dereference_protected(
mvmsta->ptk_pn[keyidx],
lockdep_is_held(&mvm->mutex));
RCU_INIT_POINTER(mvmsta->ptk_pn[keyidx], NULL);
if (ptk_pn)
kfree_rcu(ptk_pn, rcu_head);
}
IWL_DEBUG_MAC80211(mvm, "disable hwcrypto key\n");
ret = iwl_mvm_remove_sta_key(mvm, vif, sta, key);
break;
default:
ret = -EINVAL;
}
mutex_unlock(&mvm->mutex);
return ret;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Johannes Berg | 620 | 87.32% | 9 | 64.29% |
Ayala Beker | 37 | 5.21% | 2 | 14.29% |
Luciano Coelho | 28 | 3.94% | 1 | 7.14% |
Max Stepanov | 24 | 3.38% | 1 | 7.14% |
Eliad Peller | 1 | 0.14% | 1 | 7.14% |
Total | 710 | 100.00% | 14 | 100.00% |
static void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_key_conf *keyconf,
struct ieee80211_sta *sta,
u32 iv32, u16 *phase1key)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
if (keyconf->hw_key_idx == STA_KEY_IDX_INVALID)
return;
iwl_mvm_update_tkip_key(mvm, vif, keyconf, sta, iv32, phase1key);
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Johannes Berg | 67 | 100.00% | 2 | 100.00% |
Total | 67 | 100.00% | 2 | 100.00% |
static bool iwl_mvm_rx_aux_roc(struct iwl_notif_wait_data *notif_wait,
struct iwl_rx_packet *pkt, void *data)
{
struct iwl_mvm *mvm =
container_of(notif_wait, struct iwl_mvm, notif_wait);
struct iwl_hs20_roc_res *resp;
int resp_len = iwl_rx_packet_payload_len(pkt);
struct iwl_mvm_time_event_data *te_data = data;
if (WARN_ON(pkt->hdr.cmd != HOT_SPOT_CMD))
return true;
if (WARN_ON_ONCE(resp_len != sizeof(*resp))) {
IWL_ERR(mvm, "Invalid HOT_SPOT_CMD response\n");
return true;
}
resp = (void *)pkt->data;
IWL_DEBUG_TE(mvm,
"Aux ROC: Recieved response from ucode: status=%d uid=%d\n",
resp->status, resp->event_unique_id);
te_data->uid = le32_to_cpu(resp->event_unique_id);
IWL_DEBUG_TE(mvm, "TIME_EVENT_CMD response - UID = 0x%x\n",
te_data->uid);
spin_lock_bh(&mvm->time_event_lock);
list_add_tail(&te_data->list, &mvm->aux_roc_te_list);
spin_unlock_bh(&mvm->time_event_lock);
return true;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Ariej Marjieh | 175 | 100.00% | 1 | 100.00% |
Total | 175 | 100.00% | 1 | 100.00% |
#define AUX_ROC_MIN_DURATION MSEC_TO_TU(100)
#define AUX_ROC_MIN_DELAY MSEC_TO_TU(200)
#define AUX_ROC_MAX_DELAY MSEC_TO_TU(600)
#define AUX_ROC_SAFETY_BUFFER MSEC_TO_TU(20)
#define AUX_ROC_MIN_SAFETY_BUFFER MSEC_TO_TU(10)
static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm *mvm,
struct ieee80211_channel *channel,
struct ieee80211_vif *vif,
int duration)
{
int res, time_reg = DEVICE_SYSTEM_TIME_REG;
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
struct iwl_mvm_time_event_data *te_data = &mvmvif->hs_time_event_data;
static const u16 time_event_response[] = { HOT_SPOT_CMD };
struct iwl_notification_wait wait_time_event;
u32 dtim_interval = vif->bss_conf.dtim_period *
vif->bss_conf.beacon_int;
u32 req_dur, delay;
struct iwl_hs20_roc_req aux_roc_req = {
.action = cpu_to_le32(FW_CTXT_ACTION_ADD),
.id_and_color =
cpu_to_le32(FW_CMD_ID_AND_COLOR(MAC_INDEX_AUX, 0)),
.sta_id_and_color = cpu_to_le32(mvm->aux_sta.sta_id),
/* Set the channel info data */
.channel_info.band = (channel->band == NL80211_BAND_2GHZ) ?
PHY_BAND_24 : PHY_BAND_5,
.channel_info.channel = channel->hw_value,
.channel_info.width = PHY_VHT_CHANNEL_MODE20,
/* Set the time and duration */
.apply_time = cpu_to_le32(iwl_read_prph(mvm->trans, time_reg)),
};
delay = AUX_ROC_MIN_DELAY;
req_dur = MSEC_TO_TU(duration);
/*
* If we are associated we want the delay time to be at least one
* dtim interval so that the FW can wait until after the DTIM and
* then start the time event, this will potentially allow us to
* remain off-channel for the max duration.
* Since we want to use almost a whole dtim interval we would also
* like the delay to be for 2-3 dtim intervals, in case there are
* other time events with higher priority.
*/
if (vif->bss_conf.assoc) {
delay = min_t(u32, dtim_interval * 3, AUX_ROC_MAX_DELAY);
/* We cannot remain off-channel longer than the DTIM interval */
if (dtim_interval <= req_dur) {
req_dur = dtim_interval - AUX_ROC_SAFETY_BUFFER;
if (req_dur <= AUX_ROC_MIN_DURATION)
req_dur = dtim_interval -
AUX_ROC_MIN_SAFETY_BUFFER;
}
}
aux_roc_req.duration = cpu_to_le32(req_dur);
aux_roc_req.apply_time_max_delay = cpu_to_le32(delay);
IWL_DEBUG_TE(mvm,
"ROC: Requesting to remain on channel %u for %ums (requested = %ums, max_delay = %ums, dtim_interval = %ums)\n",
channel->hw_value, req_dur, duration, delay,
dtim_interval);
/* Set the node address */
memcpy(aux_roc_req.node_addr, vif->addr, ETH_ALEN);
lockdep_assert_held(&mvm->mutex);
spin_lock_bh(&mvm->time_event_lock);
if (WARN_ON(te_data->id == HOT_SPOT_CMD)) {
spin_unlock_bh(&mvm->time_event_lock);
return -EIO;
}
te_data->vif = vif;
te_data->duration = duration;
te_data->id = HOT_SPOT_CMD;
spin_unlock_bh(&mvm->time_event_lock);
/*
* Use a notification wait, which really just processes the
* command response and doesn't wait for anything, in order
* to be able to process the response and get the UID inside
* the RX path. Using CMD_WANT_SKB doesn't work because it
* stores the buffer and then wakes up this thread, by which
* time another notification (that the time event started)
* might already be processed unsuccessfully.
*/
iwl_init_notification_wait(&mvm->notif_wait, &wait_time_event,
time_event_response,
ARRAY_SIZE(time_event_response),
iwl_mvm_rx_aux_roc, te_data);
res = iwl_mvm_send_cmd_pdu(mvm, HOT_SPOT_CMD, 0, sizeof(aux_roc_req),
&aux_roc_req);
if (res) {
IWL_ERR(mvm, "Couldn't send HOT_SPOT_CMD: %d\n", res);
iwl_remove_notification(&mvm->notif_wait, &wait_time_event);
goto out_clear_te;
}
/* No need to wait for anything, so just pass 1 (0 isn't valid) */
res = iwl_wait_notification(&mvm->notif_wait, &wait_time_event, 1);
/* should never fail */
WARN_ON_ONCE(res);
if (res) {
out_clear_te:
spin_lock_bh(&mvm->time_event_lock);
iwl_mvm_te_clear_data(mvm, te_data);
spin_unlock_bh(&mvm->time_event_lock);
}
return res;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Ariej Marjieh | 336 | 69.85% | 1 | 20.00% |
Matti Gottlieb | 143 | 29.73% | 2 | 40.00% |
Johannes Berg | 1 | 0.21% | 1 | 20.00% |
Sara Sharon | 1 | 0.21% | 1 | 20.00% |
Total | 481 | 100.00% | 5 | 100.00% |
static int iwl_mvm_roc(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_channel *channel,
int duration,
enum ieee80211_roc_type type)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
struct cfg80211_chan_def chandef;
struct iwl_mvm_phy_ctxt *phy_ctxt;
int ret, i;
IWL_DEBUG_MAC80211(mvm, "enter (%d, %d, %d)\n", channel->hw_value,
duration, type);
flush_work(&mvm->roc_done_wk);
mutex_lock(&mvm->mutex);
switch (vif->type) {
case NL80211_IFTYPE_STATION:
if (fw_has_capa(&mvm->fw->ucode_capa,
IWL_UCODE_TLV_CAPA_HOTSPOT_SUPPORT)) {
/* Use aux roc framework (HS20) */
ret = iwl_mvm_send_aux_roc_cmd(mvm, channel,
vif, duration);
goto out_unlock;
}
IWL_ERR(mvm, "hotspot not supported\n");
ret = -EINVAL;
goto out_unlock;
case NL80211_IFTYPE_P2P_DEVICE:
/* handle below */
break;
default:
IWL_ERR(mvm, "vif isn't P2P_DEVICE: %d\n", vif->type);
ret = -EINVAL;
goto out_unlock;
}
for (i = 0; i < NUM_PHY_CTX; i++) {
phy_ctxt = &mvm->phy_ctxts[i];
if (phy_ctxt->ref == 0 || mvmvif->phy_ctxt == phy_ctxt)
continue;
if (phy_ctxt->ref && channel == phy_ctxt->channel) {
/*
* Unbind the P2P_DEVICE from the current PHY context,
* and if the PHY context is not used remove it.
*/
ret = iwl_mvm_binding_remove_vif(mvm, vif);
if (WARN(ret, "Failed unbinding P2P_DEVICE\n"))
goto out_unlock;
iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
/* Bind the P2P_DEVICE to the current PHY Context */
mvmvif->phy_ctxt = phy_ctxt;
ret = iwl_mvm_binding_add_vif(mvm, vif);
if (WARN(ret, "Failed binding P2P_DEVICE\n"))
goto out_unlock;
iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt);
goto schedule_time_event;
}
}
/* Need to update the PHY context only if the ROC channel changed */
if (channel == mvmvif->phy_ctxt->channel)
goto schedule_time_event;
cfg80211_chandef_create(&chandef, channel, NL80211_CHAN_NO_HT);
/*
* Change the PHY context configuration as it is currently referenced
* only by the P2P Device MAC
*/
if (mvmvif->phy_ctxt->ref == 1) {
ret = iwl_mvm_phy_ctxt_changed(mvm, mvmvif->phy_ctxt,
&chandef, 1, 1);
if (ret)
goto out_unlock;
} else {
/*
* The PHY context is shared with other MACs. Need to remove the
* P2P Device from the binding, allocate an new PHY context and
* create a new binding
*/
phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
if (!phy_ctxt) {
ret = -ENOSPC;
goto out_unlock;
}
ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &chandef,
1, 1);
if (ret) {
IWL_ERR(mvm, "Failed to change PHY context\n");
goto out_unlock;
}
/* Unbind the P2P_DEVICE from the current PHY context */
ret = iwl_mvm_binding_remove_vif(mvm, vif);
if (WARN(ret, "Failed unbinding P2P_DEVICE\n"))
goto out_unlock;
iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
/* Bind the P2P_DEVICE to the new allocated PHY context */
mvmvif->phy_ctxt = phy_ctxt;
ret = iwl_mvm_binding_add_vif(mvm, vif);
if (WARN(ret, "Failed binding P2P_DEVICE\n"))
goto out_unlock;
iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt);
}
schedule_time_event:
/* Schedule the time events */
ret = iwl_mvm_start_p2p_roc(mvm, vif, duration, type);
out_unlock:
mutex_unlock(&mvm->mutex);
IWL_DEBUG_MAC80211(mvm, "leave\n");
return ret;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Ilan Peer | 320 | 60.84% | 4 | 40.00% |
Johannes Berg | 130 | 24.71% | 2 | 20.00% |
Luciano Coelho | 26 | 4.94% | 1 | 10.00% |
Ariej Marjieh | 25 | 4.75% | 1 | 10.00% |
Matti Gottlieb | 25 | 4.75% | 2 | 20.00% |
Total | 526 | 100.00% | 10 | 100.00% |
static int iwl_mvm_cancel_roc(struct ieee80211_hw *hw)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
IWL_DEBUG_MAC80211(mvm, "enter\n");
mutex_lock(&mvm->mutex);
iwl_mvm_stop_roc(mvm);
mutex_unlock(&mvm->mutex);
IWL_DEBUG_MAC80211(mvm, "leave\n");
return 0;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Johannes Berg | 58 | 98.31% | 1 | 50.00% |
Matti Gottlieb | 1 | 1.69% | 1 | 50.00% |
Total | 59 | 100.00% | 2 | 100.00% |
static int __iwl_mvm_add_chanctx(struct iwl_mvm *mvm,
struct ieee80211_chanctx_conf *ctx)
{
u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
struct iwl_mvm_phy_ctxt *phy_ctxt;
int ret;
lockdep_assert_held(&mvm->mutex);
IWL_DEBUG_MAC80211(mvm, "Add channel context\n");
phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
if (!phy_ctxt) {
ret = -ENOSPC;
goto out;
}
ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &ctx->min_def,
ctx->rx_chains_static,
ctx->rx_chains_dynamic);
if (ret) {
IWL_ERR(mvm, "Failed to add PHY context\n");
goto out;
}
iwl_mvm_phy_ctxt_ref(mvm, phy_ctxt);
*phy_ctxt_id = phy_ctxt->id;
out:
return ret;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Ilan Peer | 63 | 48.46% | 2 | 40.00% |
Johannes Berg | 56 | 43.08% | 1 | 20.00% |
Luciano Coelho | 10 | 7.69% | 1 | 20.00% |
Eliad Peller | 1 | 0.77% | 1 | 20.00% |
Total | 130 | 100.00% | 5 | 100.00% |
static int iwl_mvm_add_chanctx(struct ieee80211_hw *hw,
struct ieee80211_chanctx_conf *ctx)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
int ret;
mutex_lock(&mvm->mutex);
ret = __iwl_mvm_add_chanctx(mvm, ctx);
mutex_unlock(&mvm->mutex);
return ret;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Luciano Coelho | 34 | 59.65% | 1 | 50.00% |
Johannes Berg | 23 | 40.35% | 1 | 50.00% |
Total | 57 | 100.00% | 2 | 100.00% |
static void __iwl_mvm_remove_chanctx(struct iwl_mvm *mvm,
struct ieee80211_chanctx_conf *ctx)
{
u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
lockdep_assert_held(&mvm->mutex);
iwl_mvm_phy_ctxt_unref(mvm, phy_ctxt);
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Johannes Berg | 22 | 38.60% | 1 | 33.33% |
Ilan Peer | 18 | 31.58% | 1 | 33.33% |
Luciano Coelho | 17 | 29.82% | 1 | 33.33% |
Total | 57 | 100.00% | 3 | 100.00% |
static void iwl_mvm_remove_chanctx(struct ieee80211_hw *hw,
struct ieee80211_chanctx_conf *ctx)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
mutex_lock(&mvm->mutex);
__iwl_mvm_remove_chanctx(mvm, ctx);
mutex_unlock(&mvm->mutex);
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Luciano Coelho | 40 | 81.63% | 1 | 50.00% |
Johannes Berg | 9 | 18.37% | 1 | 50.00% |
Total | 49 | 100.00% | 2 | 100.00% |
static void iwl_mvm_change_chanctx(struct ieee80211_hw *hw,
struct ieee80211_chanctx_conf *ctx,
u32 changed)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
if (WARN_ONCE((phy_ctxt->ref > 1) &&
(changed & ~(IEEE80211_CHANCTX_CHANGE_WIDTH |
IEEE80211_CHANCTX_CHANGE_RX_CHAINS |
IEEE80211_CHANCTX_CHANGE_RADAR |
IEEE80211_CHANCTX_CHANGE_MIN_WIDTH)),
"Cannot change PHY. Ref=%d, changed=0x%X\n",
phy_ctxt->ref, changed))
return;
mutex_lock(&mvm->mutex);
iwl_mvm_bt_coex_vif_change(mvm);
iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &ctx->min_def,
ctx->rx_chains_static,
ctx->rx_chains_dynamic);
mutex_unlock(&mvm->mutex);
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Johannes Berg | 72 | 54.14% | 1 | 14.29% |
Ilan Peer | 52 | 39.10% | 2 | 28.57% |
Emmanuel Grumbach | 6 | 4.51% | 2 | 28.57% |
Arik Nemtsov | 2 | 1.50% | 1 | 14.29% |
Eliad Peller | 1 | 0.75% | 1 | 14.29% |
Total | 133 | 100.00% | 7 | 100.00% |
static int __iwl_mvm_assign_vif_chanctx(struct iwl_mvm *mvm,
struct ieee80211_vif *vif,
struct ieee80211_chanctx_conf *ctx,
bool switching_chanctx)
{
u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
int ret;
lockdep_assert_held(&mvm->mutex);
mvmvif->phy_ctxt = phy_ctxt;
switch (vif->type) {
case NL80211_IFTYPE_AP:
/* only needed if we're switching chanctx (i.e. during CSA) */
if (switching_chanctx) {
mvmvif->ap_ibss_active = true;
break;
}
case NL80211_IFTYPE_ADHOC:
/*
* The AP binding flow is handled as part of the start_ap flow
* (in bss_info_changed), similarly for IBSS.
*/
ret = 0;
goto out;
case NL80211_IFTYPE_STATION:
break;
case NL80211_IFTYPE_MONITOR:
/* always disable PS when a monitor interface is active */
mvmvif->ps_disabled = true;
break;
default:
ret = -EINVAL;
goto out;
}
ret = iwl_mvm_binding_add_vif(mvm, vif);
if (ret)
goto out;
/*
* Power state must be updated before quotas,
* otherwise fw will complain.
*/
iwl_mvm_power_update_mac(mvm);
/* Setting the quota at this stage is only required for monitor
* interfaces. For the other types, the bss_info changed flow
* will handle quota settings.
*/
if (vif->type == NL80211_IFTYPE_MONITOR) {
mvmvif->monitor_active = true;
ret = iwl_mvm_update_quotas(mvm, false, NULL);
if (ret)
goto out_remove_binding;
ret = iwl_mvm_add_snif_sta(mvm, vif);
if (ret)
goto out_remove_binding;
}
/* Handle binding during CSA */
if (vif->type == NL80211_IFTYPE_AP) {
iwl_mvm_update_quotas(mvm, false, NULL);
iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
}
if (switching_chanctx && vif->type == NL80211_IFTYPE_STATION) {
u32 duration = 2 * vif->bss_conf.beacon_int;
/* iwl_mvm_protect_session() reads directly from the
* device (the system time), so make sure it is
* available.
*/
ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PROTECT_CSA);
if (ret)
goto out_remove_binding;
/* Protect the session to make sure we hear the first
* beacon on the new channel.
*/
iwl_mvm_protect_session(mvm, vif, duration, duration,
vif->bss_conf.beacon_int / 2,
true);
iwl_mvm_unref(mvm, IWL_MVM_REF_PROTECT_CSA);
iwl_mvm_update_quotas(mvm, false, NULL);
}
goto out;
out_remove_binding:
iwl_mvm_binding_remove_vif(mvm, vif);
iwl_mvm_power_update_mac(mvm);
out:
if (ret)
mvmvif->phy_ctxt = NULL;
return ret;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Luciano Coelho | 136 | 38.75% | 7 | 38.89% |
Johannes Berg | 131 | 37.32% | 4 | 22.22% |
Andrei Otcheretianski | 31 | 8.83% | 1 | 5.56% |
Ilan Peer | 24 | 6.84% | 2 | 11.11% |
Chaya Rachel Ivgy | 16 | 4.56% | 1 | 5.56% |
Emmanuel Grumbach | 7 | 1.99% | 2 | 11.11% |
Alexander Bondar | 6 | 1.71% | 1 | 5.56% |
Total | 351 | 100.00% | 18 | 100.00% |
static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_chanctx_conf *ctx)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
int ret;
mutex_lock(&mvm->mutex);
ret = __iwl_mvm_assign_vif_chanctx(mvm, vif, ctx, false);
mutex_unlock(&mvm->mutex);
return ret;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Luciano Coelho | 66 | 100.00% | 2 | 100.00% |
Total | 66 | 100.00% | 2 | 100.00% |
static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm *mvm,
struct ieee80211_vif *vif,
struct ieee80211_chanctx_conf *ctx,
bool switching_chanctx)
{
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
struct ieee80211_vif *disabled_vif = NULL;
lockdep_assert_held(&mvm->mutex);
iwl_mvm_remove_time_event(mvm, mvmvif, &mvmvif->time_event_data);
switch (vif->type) {
case NL80211_IFTYPE_ADHOC:
goto out;
case NL80211_IFTYPE_MONITOR:
mvmvif->monitor_active = false;
mvmvif->ps_disabled = false;
iwl_mvm_rm_snif_sta(mvm, vif);
break;
case NL80211_IFTYPE_AP:
/* This part is triggered only during CSA */
if (!switching_chanctx || !mvmvif->ap_ibss_active)
goto out;
mvmvif->csa_countdown = false;
/* Set CS bit on all the stations */
iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, true);
/* Save blocked iface, the timeout is set on the next beacon */
rcu_assign_pointer(mvm->csa_tx_blocked_vif, vif);
mvmvif->ap_ibss_active = false;
break;
case NL80211_IFTYPE_STATION:
if (!switching_chanctx)
break;
disabled_vif = vif;
iwl_mvm_mac_ctxt_changed(mvm, vif, true, NULL);
break;
default:
break;
}
iwl_mvm_update_quotas(mvm, false, disabled_vif);
iwl_mvm_binding_remove_vif(mvm, vif);
out:
mvmvif->phy_ctxt = NULL;
iwl_mvm_power_update_mac(mvm);
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Luciano Coelho | 167 | 81.86% | 4 | 44.44% |
Andrei Otcheretianski | 26 | 12.75% | 2 | 22.22% |
Chaya Rachel Ivgy | 7 | 3.43% | 1 | 11.11% |
Johannes Berg | 2 | 0.98% | 1 | 11.11% |
Emmanuel Grumbach | 2 | 0.98% | 1 | 11.11% |
Total | 204 | 100.00% | 9 | 100.00% |
static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_chanctx_conf *ctx)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
mutex_lock(&mvm->mutex);
__iwl_mvm_unassign_vif_chanctx(mvm, vif, ctx, false);
mutex_unlock(&mvm->mutex);
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Luciano Coelho | 41 | 70.69% | 2 | 50.00% |
Johannes Berg | 15 | 25.86% | 1 | 25.00% |
Andrei Otcheretianski | 2 | 3.45% | 1 | 25.00% |
Total | 58 | 100.00% | 4 | 100.00% |
static int
iwl_mvm_switch_vif_chanctx_swap(struct iwl_mvm *mvm,
struct ieee80211_vif_chanctx_switch *vifs)
{
int ret;
mutex_lock(&mvm->mutex);
__iwl_mvm_unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, true);
__iwl_mvm_remove_chanctx(mvm, vifs[0].old_ctx);
ret = __iwl_mvm_add_chanctx(mvm, vifs[0].new_ctx);
if (ret) {
IWL_ERR(mvm, "failed to add new_ctx during channel switch\n");
goto out_reassign;
}
ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].new_ctx,
true);
if (ret) {
IWL_ERR(mvm,
"failed to assign new_ctx during channel switch\n");
goto out_remove;
}
/* we don't support TDLS during DCM - can be caused by channel switch */
if (iwl_mvm_phy_ctx_count(mvm) > 1)
iwl_mvm_teardown_tdls_peers(mvm);
goto out;
out_remove:
__iwl_mvm_remove_chanctx(mvm, vifs[0].new_ctx);
out_reassign:
if (__iwl_mvm_add_chanctx(mvm, vifs[0].old_ctx)) {
IWL_ERR(mvm, "failed to add old_ctx back after failure.\n");
goto out_restart;
}
if (__iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx,
true)) {
IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n");
goto out_restart;
}
goto out;
out_restart:
/* things keep failing, better restart the hw */
iwl_mvm_nic_restart(mvm, false);
out:
mutex_unlock(&mvm->mutex);
return ret;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Luciano Coelho | 174 | 69.60% | 5 | 45.45% |
Johannes Berg | 44 | 17.60% | 2 | 18.18% |
Arik Nemtsov | 15 | 6.00% | 1 | 9.09% |
Andrei Otcheretianski | 10 | 4.00% | 1 | 9.09% |
Ilan Peer | 7 | 2.80% | 2 | 18.18% |
Total | 250 | 100.00% | 11 | 100.00% |
static int
iwl_mvm_switch_vif_chanctx_reassign(struct iwl_mvm *mvm,
struct ieee80211_vif_chanctx_switch *vifs)
{
int ret;
mutex_lock(&mvm->mutex);
__iwl_mvm_unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, true);
ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].new_ctx,
true);
if (ret) {
IWL_ERR(mvm,
"failed to assign new_ctx during channel switch\n");
goto out_reassign;
}
goto out;
out_reassign:
if (__iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx,
true)) {
IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n");
goto out_restart;
}
goto out;
out_restart:
/* things keep failing, better restart the hw */
iwl_mvm_nic_restart(mvm, false);
out:
mutex_unlock(&mvm->mutex);
return ret;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Luciano Coelho | 153 | 100.00% | 1 | 100.00% |
Total | 153 | 100.00% | 1 | 100.00% |
static int iwl_mvm_switch_vif_chanctx(struct ieee80211_hw *hw,
struct ieee80211_vif_chanctx_switch *vifs,
int n_vifs,
enum ieee80211_chanctx_switch_mode mode)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
int ret;
/* we only support a single-vif right now */
if (n_vifs > 1)
return -EOPNOTSUPP;
switch (mode) {
case CHANCTX_SWMODE_SWAP_CONTEXTS:
ret = iwl_mvm_switch_vif_chanctx_swap(mvm, vifs);
break;
case CHANCTX_SWMODE_REASSIGN_VIF:
ret = iwl_mvm_switch_vif_chanctx_reassign(mvm, vifs);
break;
default:
ret = -EOPNOTSUPP;
break;
}
return ret;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Luciano Coelho | 89 | 100.00% | 2 | 100.00% |
Total | 89 | 100.00% | 2 | 100.00% |
static int iwl_mvm_set_tim(struct ieee80211_hw *hw,
struct ieee80211_sta *sta,
bool set)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta);
if (!mvm_sta || !mvm_sta->vif) {
IWL_ERR(mvm, "Station is not associated to a vif\n");
return -EINVAL;
}
return iwl_mvm_mac_ctxt_beacon_changed(mvm, mvm_sta->vif);
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Johannes Berg | 72 | 100.00% | 2 | 100.00% |
Total | 72 | 100.00% | 2 | 100.00% |
#ifdef CONFIG_NL80211_TESTMODE
static const struct nla_policy iwl_mvm_tm_policy[IWL_MVM_TM_ATTR_MAX + 1] = {
[IWL_MVM_TM_ATTR_CMD] = { .type = NLA_U32 },
[IWL_MVM_TM_ATTR_NOA_DURATION] = { .type = NLA_U32 },
[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE] = { .type = NLA_U32 },
};
static int __iwl_mvm_mac_testmode_cmd(struct iwl_mvm *mvm,
struct ieee80211_vif *vif,
void *data, int len)
{
struct nlattr *tb[IWL_MVM_TM_ATTR_MAX + 1];
int err;
u32 noa_duration;
err = nla_parse(tb, IWL_MVM_TM_ATTR_MAX, data, len, iwl_mvm_tm_policy);
if (err)
return err;
if (!tb[IWL_MVM_TM_ATTR_CMD])
return -EINVAL;
switch (nla_get_u32(tb[IWL_MVM_TM_ATTR_CMD])) {
case IWL_MVM_TM_CMD_SET_NOA:
if (!vif || vif->type != NL80211_IFTYPE_AP || !vif->p2p ||
!vif->bss_conf.enable_beacon ||
!tb[IWL_MVM_TM_ATTR_NOA_DURATION])
return -EINVAL;
noa_duration = nla_get_u32(tb[IWL_MVM_TM_ATTR_NOA_DURATION]);
if (noa_duration >= vif->bss_conf.beacon_int)
return -EINVAL;
mvm->noa_duration = noa_duration;
mvm->noa_vif = vif;
return iwl_mvm_update_quotas(mvm, false, NULL);
case IWL_MVM_TM_CMD_SET_BEACON_FILTER:
/* must be associated client vif - ignore authorized */
if (!vif || vif->type != NL80211_IFTYPE_STATION ||
!vif->bss_conf.assoc || !vif->bss_conf.dtim_period ||
!tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE])
return -EINVAL;
if (nla_get_u32(tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE]))
return iwl_mvm_enable_beacon_filter(mvm, vif, 0);
return iwl_mvm_disable_beacon_filter(mvm, vif, 0);
}
return -EOPNOTSUPP;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
David Spinadel | 169 | 70.42% | 1 | 20.00% |
Johannes Berg | 65 | 27.08% | 1 | 20.00% |
Emmanuel Grumbach | 4 | 1.67% | 2 | 40.00% |
Eliad Peller | 2 | 0.83% | 1 | 20.00% |
Total | 240 | 100.00% | 5 | 100.00% |
static int iwl_mvm_mac_testmode_cmd(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
void *data, int len)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
int err;
mutex_lock(&mvm->mutex);
err = __iwl_mvm_mac_testmode_cmd(mvm, vif, data, len);
mutex_unlock(&mvm->mutex);
return err;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
David Spinadel | 68 | 100.00% | 1 | 100.00% |
Total | 68 | 100.00% | 1 | 100.00% |
#endif
static void iwl_mvm_channel_switch(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_channel_switch *chsw)
{
/* By implementing this operation, we prevent mac80211 from
* starting its own channel switch timer, so that we can call
* ieee80211_chswitch_done() ourselves at the right time
* (which is when the absence time event starts).
*/
IWL_DEBUG_MAC80211(IWL_MAC80211_GET_MVM(hw),
"dummy channel switch op\n");
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Luciano Coelho | 32 | 100.00% | 1 | 100.00% |
Total | 32 | 100.00% | 1 | 100.00% |
static int iwl_mvm_pre_channel_switch(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_channel_switch *chsw)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
struct ieee80211_vif *csa_vif;
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
u32 apply_time;
int ret;
mutex_lock(&mvm->mutex);
mvmvif->csa_failed = false;
IWL_DEBUG_MAC80211(mvm, "pre CSA to freq %d\n",
chsw->chandef.center_freq1);
iwl_fw_dbg_trigger_simple_stop(mvm, vif, FW_DBG_TRIGGER_CHANNEL_SWITCH);
switch (vif->type) {
case NL80211_IFTYPE_AP:
csa_vif =
rcu_dereference_protected(mvm->csa_vif,
lockdep_is_held(&mvm->mutex));
if (WARN_ONCE(csa_vif && csa_vif->csa_active,
"Another CSA is already in progress")) {
ret = -EBUSY;
goto out_unlock;
}
/* we still didn't unblock tx. prevent new CS meanwhile */
if (rcu_dereference_protected(mvm->csa_tx_blocked_vif,
lockdep_is_held(&mvm->mutex))) {
ret = -EBUSY;
goto out_unlock;
}
rcu_assign_pointer(mvm->csa_vif, vif);
if (WARN_ONCE(mvmvif->csa_countdown,
"Previous CSA countdown didn't complete")) {
ret = -EBUSY;
goto out_unlock;
}
mvmvif->csa_target_freq = chsw->chandef.chan->center_freq;
break;
case NL80211_IFTYPE_STATION:
if (mvmvif->lqm_active)
iwl_mvm_send_lqm_cmd(vif,
LQM_CMD_OPERATION_STOP_MEASUREMENT,
0, 0);
/* Schedule the time event to a bit before beacon 1,
* to make sure we're in the new channel when the
* GO/AP arrives.
*/
apply_time = chsw->device_timestamp +
((vif->bss_conf.beacon_int * (chsw->count - 1) -
IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT) * 1024);
if (chsw->block_tx)
iwl_mvm_csa_client_absent(mvm, vif);
iwl_mvm_schedule_csa_period(mvm, vif, vif->bss_conf.beacon_int,
apply_time);
if (mvmvif->bf_data.bf_enabled) {
ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0);
if (ret)
goto out_unlock;
}
break;
default:
break;
}
mvmvif->ps_disabled = true;
ret = iwl_mvm_power_update_ps(mvm);
if (ret)
goto out_unlock;
/* we won't be on this channel any longer */
iwl_mvm_teardown_tdls_peers(mvm);
out_unlock:
mutex_unlock(&mvm->mutex);
return ret;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Luciano Coelho | 162 | 45.38% | 6 | 42.86% |
Andrei Otcheretianski | 157 | 43.98% | 4 | 28.57% |
Aviya Erenfeld | 17 | 4.76% | 1 | 7.14% |
Emmanuel Grumbach | 9 | 2.52% | 1 | 7.14% |
Johannes Berg | 6 | 1.68% | 1 | 7.14% |
Arik Nemtsov | 6 | 1.68% | 1 | 7.14% |
Total | 357 | 100.00% | 14 | 100.00% |
static int iwl_mvm_post_channel_switch(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
{
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
int ret;
mutex_lock(&mvm->mutex);
if (mvmvif->csa_failed) {
mvmvif->csa_failed = false;
ret = -EIO;
goto out_unlock;
}
if (vif->type == NL80211_IFTYPE_STATION) {
struct iwl_mvm_sta *mvmsta;
mvmsta = iwl_mvm_sta_from_staid_protected(mvm,
mvmvif->ap_sta_id);
if (WARN_ON(!mvmsta)) {
ret = -EIO;
goto out_unlock;
}
iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, false);
iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0);
if (ret)
goto out_unlock;
iwl_mvm_stop_session_protection(mvm, vif);
}
mvmvif->ps_disabled = false;
ret = iwl_mvm_power_update_ps(mvm);
out_unlock:
mutex_unlock(&mvm->mutex);
return ret;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Luciano Coelho | 162 | 88.04% | 4 | 80.00% |
Johannes Berg | 22 | 11.96% | 1 | 20.00% |
Total | 184 | 100.00% | 5 | 100.00% |
static void iwl_mvm_mac_flush(struct ieee80211_hw *hw,
struct ieee80211_vif *vif, u32 queues, bool drop)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
struct iwl_mvm_vif *mvmvif;
struct iwl_mvm_sta *mvmsta;
struct ieee80211_sta *sta;
int i;
u32 msk = 0;
if (!vif || vif->type != NL80211_IFTYPE_STATION)
return;
/* Make sure we're done with the deferred traffic before flushing */
if (iwl_mvm_is_dqa_supported(mvm))
flush_work(&mvm->add_stream_wk);
mutex_lock(&mvm->mutex);
mvmvif = iwl_mvm_vif_from_mac80211(vif);
/* flush the AP-station and all TDLS peers */
for (i = 0; i < IWL_MVM_STATION_COUNT; i++) {
sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i],
lockdep_is_held(&mvm->mutex));
if (IS_ERR_OR_NULL(sta))
continue;
mvmsta = iwl_mvm_sta_from_mac80211(sta);
if (mvmsta->vif != vif)
continue;
/* make sure only TDLS peers or the AP are flushed */
WARN_ON(i != mvmvif->ap_sta_id && !sta->tdls);
msk |= mvmsta->tfd_queue_msk;
}
if (drop) {
if (iwl_mvm_flush_tx_path(mvm, msk, 0))
IWL_ERR(mvm, "flush request fail\n");
mutex_unlock(&mvm->mutex);
} else {
mutex_unlock(&mvm->mutex);
/* this can take a while, and we may need/want other operations
* to succeed while doing this, so do it without the mutex held
*/
iwl_trans_wait_tx_queue_empty(mvm->trans, msk);
}
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Emmanuel Grumbach | 120 | 51.72% | 2 | 33.33% |
Arik Nemtsov | 78 | 33.62% | 1 | 16.67% |
Johannes Berg | 17 | 7.33% | 1 | 16.67% |
Liad Kaufman | 16 | 6.90% | 1 | 16.67% |
Luciano Coelho | 1 | 0.43% | 1 | 16.67% |
Total | 232 | 100.00% | 6 | 100.00% |
static int iwl_mvm_mac_get_survey(struct ieee80211_hw *hw, int idx,
struct survey_info *survey)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
int ret;
memset(survey, 0, sizeof(*survey));
/* only support global statistics right now */
if (idx != 0)
return -ENOENT;
if (!fw_has_capa(&mvm->fw->ucode_capa,
IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS))
return -ENOENT;
mutex_lock(&mvm->mutex);
if (mvm->ucode_loaded) {
ret = iwl_mvm_request_statistics(mvm, false);
if (ret)
goto out;
}
survey->filled = SURVEY_INFO_TIME |
SURVEY_INFO_TIME_RX |
SURVEY_INFO_TIME_TX |
SURVEY_INFO_TIME_SCAN;
survey->time = mvm->accu_radio_stats.on_time_rf +
mvm->radio_stats.on_time_rf;
do_div(survey->time, USEC_PER_MSEC);
survey->time_rx = mvm->accu_radio_stats.rx_time +
mvm->radio_stats.rx_time;
do_div(survey->time_rx, USEC_PER_MSEC);
survey->time_tx = mvm->accu_radio_stats.tx_time +
mvm->radio_stats.tx_time;
do_div(survey->time_tx, USEC_PER_MSEC);
survey->time_scan = mvm->accu_radio_stats.on_time_scan +
mvm->radio_stats.on_time_scan;
do_div(survey->time_scan, USEC_PER_MSEC);
ret = 0;
out:
mutex_unlock(&mvm->mutex);
return ret;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Johannes Berg | 236 | 100.00% | 5 | 100.00% |
Total | 236 | 100.00% | 5 | 100.00% |
static void iwl_mvm_mac_sta_statistics(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
struct station_info *sinfo)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
if (mvmsta->avg_energy) {
sinfo->signal_avg = mvmsta->avg_energy;
sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL_AVG);
}
if (!fw_has_capa(&mvm->fw->ucode_capa,
IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS))
return;
/* if beacon filtering isn't on mac80211 does it anyway */
if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER))
return;
if (!vif->bss_conf.assoc)
return;
mutex_lock(&mvm->mutex);
if (mvmvif->ap_sta_id != mvmsta->sta_id)
goto unlock;
if (iwl_mvm_request_statistics(mvm, false))
goto unlock;
sinfo->rx_beacon = mvmvif->beacon_stats.num_beacons +
mvmvif->beacon_stats.accu_num_beacons;
sinfo->filled |= BIT(NL80211_STA_INFO_BEACON_RX);
if (mvmvif->beacon_stats.avg_signal) {
/* firmware only reports a value after RXing a few beacons */
sinfo->rx_beacon_signal_avg = mvmvif->beacon_stats.avg_signal;
sinfo->filled |= BIT(NL80211_STA_INFO_BEACON_SIGNAL_AVG);
}
unlock:
mutex_unlock(&mvm->mutex);
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Johannes Berg | 193 | 88.53% | 3 | 75.00% |
Sara Sharon | 25 | 11.47% | 1 | 25.00% |
Total | 218 | 100.00% | 4 | 100.00% |
static void iwl_mvm_event_mlme_callback(struct iwl_mvm *mvm,
struct ieee80211_vif *vif,
const struct ieee80211_event *event)
{
#define CHECK_MLME_TRIGGER(_mvm, _trig, _buf, _cnt, _fmt...) \
do { \
if ((_cnt) && --(_cnt)) \
break; \
iwl_mvm_fw_dbg_collect_trig(_mvm, _trig, _fmt);\
} while (0)
struct iwl_fw_dbg_trigger_tlv *trig;
struct iwl_fw_dbg_trigger_mlme *trig_mlme;
if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_MLME))
return;
trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_MLME);
trig_mlme = (void *)trig->data;
if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trig))
return;
if (event->u.mlme.data == ASSOC_EVENT) {
if (event->u.mlme.status == MLME_DENIED)
CHECK_MLME_TRIGGER(mvm, trig, buf,
trig_mlme->stop_assoc_denied,
"DENIED ASSOC: reason %d",
event->u.mlme.reason);
else if (event->u.mlme.status == MLME_TIMEOUT)
CHECK_MLME_TRIGGER(mvm, trig, buf,
trig_mlme->stop_assoc_timeout,
"ASSOC TIMEOUT");
} else if (event->u.mlme.data == AUTH_EVENT) {
if (event->u.mlme.status == MLME_DENIED)
CHECK_MLME_TRIGGER(mvm, trig, buf,
trig_mlme->stop_auth_denied,
"DENIED AUTH: reason %d",
event->u.mlme.reason);
else if (event->u.mlme.status == MLME_TIMEOUT)
CHECK_MLME_TRIGGER(mvm, trig, buf,
trig_mlme->stop_auth_timeout,
"AUTH TIMEOUT");
} else if (event->u.mlme.data == DEAUTH_RX_EVENT) {
CHECK_MLME_TRIGGER(mvm, trig, buf,
trig_mlme->stop_rx_deauth,
"DEAUTH RX %d", event->u.mlme.reason);
} else if (event->u.mlme.data == DEAUTH_TX_EVENT) {
CHECK_MLME_TRIGGER(mvm, trig, buf,
trig_mlme->stop_tx_deauth,
"DEAUTH TX %d", event->u.mlme.reason);
}
#undef CHECK_MLME_TRIGGER
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Emmanuel Grumbach | 328 | 99.39% | 2 | 66.67% |
Johannes Berg | 2 | 0.61% | 1 | 33.33% |
Total | 330 | 100.00% | 3 | 100.00% |
static void iwl_mvm_event_bar_rx_callback(struct iwl_mvm *mvm,
struct ieee80211_vif *vif,
const struct ieee80211_event *event)
{
struct iwl_fw_dbg_trigger_tlv *trig;
struct iwl_fw_dbg_trigger_ba *ba_trig;
if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_BA))
return;
trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_BA);
ba_trig = (void *)trig->data;
if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trig))
return;
if (!(le16_to_cpu(ba_trig->rx_bar) & BIT(event->u.ba.tid)))
return;
iwl_mvm_fw_dbg_collect_trig(mvm, trig,
"BAR received from %pM, tid %d, ssn %d",
event->u.ba.sta->addr, event->u.ba.tid,
event->u.ba.ssn);
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Emmanuel Grumbach | 81 | 58.70% | 1 | 50.00% |
Johannes Berg | 57 | 41.30% | 1 | 50.00% |
Total | 138 | 100.00% | 2 | 100.00% |
static void
iwl_mvm_event_frame_timeout_callback(struct iwl_mvm *mvm,
struct ieee80211_vif *vif,
const struct ieee80211_event *event)
{
struct iwl_fw_dbg_trigger_tlv *trig;
struct iwl_fw_dbg_trigger_ba *ba_trig;
if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_BA))
return;
trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_BA);
ba_trig = (void *)trig->data;
if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trig))
return;
if (!(le16_to_cpu(ba_trig->frame_timeout) & BIT(event->u.ba.tid)))
return;
iwl_mvm_fw_dbg_collect_trig(mvm, trig,
"Frame from %pM timed out, tid %d",
event->u.ba.sta->addr, event->u.ba.tid);
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Emmanuel Grumbach | 130 | 100.00% | 2 | 100.00% |
Total | 130 | 100.00% | 2 | 100.00% |
static void iwl_mvm_mac_event_callback(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
const struct ieee80211_event *event)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
switch (event->type) {
case MLME_EVENT:
iwl_mvm_event_mlme_callback(mvm, vif, event);
break;
case BAR_RX_EVENT:
iwl_mvm_event_bar_rx_callback(mvm, vif, event);
break;
case BA_FRAME_TIMEOUT:
iwl_mvm_event_frame_timeout_callback(mvm, vif, event);
break;
default:
break;
}
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Emmanuel Grumbach | 81 | 100.00% | 2 | 100.00% |
Total | 81 | 100.00% | 2 | 100.00% |
void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm,
struct iwl_mvm_internal_rxq_notif *notif,
u32 size)
{
u32 qmask = BIT(mvm->trans->num_rx_queues) - 1;
int ret;
lockdep_assert_held(&mvm->mutex);
if (!iwl_mvm_has_new_rx_api(mvm))
return;
notif->cookie = mvm->queue_sync_cookie;
if (notif->sync)
atomic_set(&mvm->queue_sync_counter,
mvm->trans->num_rx_queues);
ret = iwl_mvm_notify_rx_queue(mvm, qmask, (u8 *)notif, size);
if (ret) {
IWL_ERR(mvm, "Failed to trigger RX queues sync (%d)\n", ret);
goto out;
}
if (notif->sync)
ret = wait_event_timeout(mvm->rx_sync_waitq,
atomic_read(&mvm->queue_sync_counter) == 0,
HZ);
WARN_ON_ONCE(!ret);
out:
atomic_set(&mvm->queue_sync_counter, 0);
mvm->queue_sync_cookie++;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Sara Sharon | 165 | 100.00% | 3 | 100.00% |
Total | 165 | 100.00% | 3 | 100.00% |
static void iwl_mvm_sync_rx_queues(struct ieee80211_hw *hw)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
struct iwl_mvm_internal_rxq_notif data = {
.type = IWL_MVM_RXQ_EMPTY,
.sync = 1,
};
mutex_lock(&mvm->mutex);
iwl_mvm_sync_rx_queues_internal(mvm, &data, sizeof(data));
mutex_unlock(&mvm->mutex);
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Sara Sharon | 66 | 100.00% | 2 | 100.00% |
Total | 66 | 100.00% | 2 | 100.00% |
const struct ieee80211_ops iwl_mvm_hw_ops = {
.tx = iwl_mvm_mac_tx,
.ampdu_action = iwl_mvm_mac_ampdu_action,
.start = iwl_mvm_mac_start,
.reconfig_complete = iwl_mvm_mac_reconfig_complete,
.stop = iwl_mvm_mac_stop,
.add_interface = iwl_mvm_mac_add_interface,
.remove_interface = iwl_mvm_mac_remove_interface,
.config = iwl_mvm_mac_config,
.prepare_multicast = iwl_mvm_prepare_multicast,
.configure_filter = iwl_mvm_configure_filter,
.config_iface_filter = iwl_mvm_config_iface_filter,
.bss_info_changed = iwl_mvm_bss_info_changed,
.hw_scan = iwl_mvm_mac_hw_scan,
.cancel_hw_scan = iwl_mvm_mac_cancel_hw_scan,
.sta_pre_rcu_remove = iwl_mvm_sta_pre_rcu_remove,
.sta_state = iwl_mvm_mac_sta_state,
.sta_notify = iwl_mvm_mac_sta_notify,
.allow_buffered_frames = iwl_mvm_mac_allow_buffered_frames,
.release_buffered_frames = iwl_mvm_mac_release_buffered_frames,
.set_rts_threshold = iwl_mvm_mac_set_rts_threshold,
.sta_rc_update = iwl_mvm_sta_rc_update,
.conf_tx = iwl_mvm_mac_conf_tx,
.mgd_prepare_tx = iwl_mvm_mac_mgd_prepare_tx,
.mgd_protect_tdls_discover = iwl_mvm_mac_mgd_protect_tdls_discover,
.flush = iwl_mvm_mac_flush,
.sched_scan_start = iwl_mvm_mac_sched_scan_start,
.sched_scan_stop = iwl_mvm_mac_sched_scan_stop,
.set_key = iwl_mvm_mac_set_key,
.update_tkip_key = iwl_mvm_mac_update_tkip_key,
.remain_on_channel = iwl_mvm_roc,
.cancel_remain_on_channel = iwl_mvm_cancel_roc,
.add_chanctx = iwl_mvm_add_chanctx,
.remove_chanctx = iwl_mvm_remove_chanctx,
.change_chanctx = iwl_mvm_change_chanctx,
.assign_vif_chanctx = iwl_mvm_assign_vif_chanctx,
.unassign_vif_chanctx = iwl_mvm_unassign_vif_chanctx,
.switch_vif_chanctx = iwl_mvm_switch_vif_chanctx,
.start_ap = iwl_mvm_start_ap_ibss,
.stop_ap = iwl_mvm_stop_ap_ibss,
.join_ibss = iwl_mvm_start_ap_ibss,
.leave_ibss = iwl_mvm_stop_ap_ibss,
.set_tim = iwl_mvm_set_tim,
.channel_switch = iwl_mvm_channel_switch,
.pre_channel_switch = iwl_mvm_pre_channel_switch,
.post_channel_switch = iwl_mvm_post_channel_switch,
.tdls_channel_switch = iwl_mvm_tdls_channel_switch,
.tdls_cancel_channel_switch = iwl_mvm_tdls_cancel_channel_switch,
.tdls_recv_channel_switch = iwl_mvm_tdls_recv_channel_switch,
.event_callback = iwl_mvm_mac_event_callback,
.sync_rx_queues = iwl_mvm_sync_rx_queues,
CFG80211_TESTMODE_CMD(iwl_mvm_mac_testmode_cmd)
#ifdef CONFIG_PM_SLEEP
/* look at d3.c */
.suspend = iwl_mvm_suspend,
.resume = iwl_mvm_resume,
.set_wakeup = iwl_mvm_set_wakeup,
.set_rekey_data = iwl_mvm_set_rekey_data,
#if IS_ENABLED(CONFIG_IPV6)
.ipv6_addr_change = iwl_mvm_ipv6_addr_change,
#endif
.set_default_unicast_key = iwl_mvm_set_default_unicast_key,
#endif
.get_survey = iwl_mvm_mac_get_survey,
.sta_statistics = iwl_mvm_mac_sta_statistics,
};
Overall Contributors
Person | Tokens | Prop | Commits | CommitProp |
Johannes Berg | 7005 | 38.61% | 62 | 19.62% |
Eliad Peller | 2074 | 11.43% | 31 | 9.81% |
Luciano Coelho | 1662 | 9.16% | 40 | 12.66% |
Emmanuel Grumbach | 1540 | 8.49% | 44 | 13.92% |
Ilan Peer | 805 | 4.44% | 17 | 5.38% |
Arik Nemtsov | 783 | 4.32% | 21 | 6.65% |
Sara Sharon | 607 | 3.35% | 16 | 5.06% |
Ariej Marjieh | 538 | 2.97% | 1 | 0.32% |
Andrei Otcheretianski | 519 | 2.86% | 10 | 3.16% |
David Spinadel | 516 | 2.84% | 11 | 3.48% |
Matti Gottlieb | 264 | 1.46% | 5 | 1.58% |
Liad Kaufman | 233 | 1.28% | 4 | 1.27% |
Eran Harary | 223 | 1.23% | 3 | 0.95% |
Ayala Beker | 188 | 1.04% | 3 | 0.95% |
Golan Ben-Ami | 184 | 1.01% | 2 | 0.63% |
Avri Altman | 171 | 0.94% | 6 | 1.90% |
Alexander Bondar | 108 | 0.60% | 10 | 3.16% |
Gregory Greenman | 105 | 0.58% | 2 | 0.63% |
Jonathan Doron | 96 | 0.53% | 1 | 0.32% |
Avraham Stern | 95 | 0.52% | 6 | 1.90% |
Lilach Edelstein | 84 | 0.46% | 1 | 0.32% |
Hila Gonen | 78 | 0.43% | 1 | 0.32% |
Aviya Erenfeld | 77 | 0.42% | 2 | 0.63% |
Max Stepanov | 46 | 0.25% | 3 | 0.95% |
Haim Dreyfuss | 37 | 0.20% | 2 | 0.63% |
Eyal Shapira | 29 | 0.16% | 3 | 0.95% |
Chaya Rachel Ivgy | 25 | 0.14% | 2 | 0.63% |
Assaf Krauss | 17 | 0.09% | 1 | 0.32% |
Mordechai Goodstein | 11 | 0.06% | 1 | 0.32% |
Luis R. Rodriguez | 10 | 0.06% | 1 | 0.32% |
Matt Chen | 6 | 0.03% | 1 | 0.32% |
Eytan Lifshitz | 5 | 0.03% | 2 | 0.63% |
Nicholas Krause | 2 | 0.01% | 1 | 0.32% |
Total | 18143 | 100.00% | 316 | 100.00% |
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