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Just a few fixes: 

* avoid running out of tracking space for frames that need
    to be reported to userspace by using more bits
  * fix beacon handling suppression by adding some relevant
    elements to the CRC calculation
  * fix quiet mode in action frames
  * fix crash in ethtool for virt_wifi and similar
  * add a missing policy entry
  * fix 160 & 80+80 bandwidth to take local capabilities into
    account
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Merge tag 'mac80211-for-net-2020-02-14' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211

Johannes Berg says:

====================
Just a few fixes:
 * avoid running out of tracking space for frames that need
   to be reported to userspace by using more bits
 * fix beacon handling suppression by adding some relevant
   elements to the CRC calculation
 * fix quiet mode in action frames
 * fix crash in ethtool for virt_wifi and similar
 * add a missing policy entry
 * fix 160 & 80+80 bandwidth to take local capabilities into
   account
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2020-02-14 07:16:08 -08:00
Родитель 907e51e41a 33181ea7f5
Коммит b32cb6fcf1
7 изменённых файлов: 44 добавлений и 22 удалений
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11
include/net/mac80211.h
Просмотреть файл

@ -1004,12 +1004,11 @@ ieee80211_rate_get_vht_nss(const struct ieee80211_tx_rate *rate)
struct ieee80211_tx_info {
/* common information */
u32 flags;
u8 band;
u8 hw_queue;
u16 ack_frame_id:6;
u16 tx_time_est:10;
u32 band:3,
ack_frame_id:13,
hw_queue:4,
tx_time_est:10;
/* 2 free bits */
union {
struct {

2
net/mac80211/cfg.c
Просмотреть файл

@ -3450,7 +3450,7 @@ int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb,
spin_lock_irqsave(&local->ack_status_lock, spin_flags);
id = idr_alloc(&local->ack_status_frames, ack_skb,
1, 0x40, GFP_ATOMIC);
1, 0x2000, GFP_ATOMIC);
spin_unlock_irqrestore(&local->ack_status_lock, spin_flags);
if (id < 0) {

8
net/mac80211/mlme.c
Просмотреть файл

@ -8,7 +8,7 @@
* Copyright 2007, Michael Wu <flamingice@sourmilk.net>
* Copyright 2013-2014 Intel Mobile Communications GmbH
* Copyright (C) 2015 - 2017 Intel Deutschland GmbH
* Copyright (C) 2018 - 2019 Intel Corporation
* Copyright (C) 2018 - 2020 Intel Corporation
*/
#include <linux/delay.h>
@ -1311,7 +1311,7 @@ ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
if (!res) {
ch_switch.timestamp = timestamp;
ch_switch.device_timestamp = device_timestamp;
ch_switch.block_tx = beacon ? csa_ie.mode : 0;
ch_switch.block_tx = csa_ie.mode;
ch_switch.chandef = csa_ie.chandef;
ch_switch.count = csa_ie.count;
ch_switch.delay = csa_ie.max_switch_time;
@ -1404,7 +1404,7 @@ ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
sdata->vif.csa_active = true;
sdata->csa_chandef = csa_ie.chandef;
sdata->csa_block_tx = ch_switch.block_tx;
sdata->csa_block_tx = csa_ie.mode;
ifmgd->csa_ignored_same_chan = false;
if (sdata->csa_block_tx)
@ -1438,7 +1438,7 @@ ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
* reset when the disconnection worker runs.
*/
sdata->vif.csa_active = true;
sdata->csa_block_tx = ch_switch.block_tx;
sdata->csa_block_tx = csa_ie.mode;
ieee80211_queue_work(&local->hw, &ifmgd->csa_connection_drop_work);
mutex_unlock(&local->chanctx_mtx);

2
net/mac80211/tx.c
Просмотреть файл

@ -2442,7 +2442,7 @@ static int ieee80211_store_ack_skb(struct ieee80211_local *local,
spin_lock_irqsave(&local->ack_status_lock, flags);
id = idr_alloc(&local->ack_status_frames, ack_skb,
1, 0x40, GFP_ATOMIC);
1, 0x2000, GFP_ATOMIC);
spin_unlock_irqrestore(&local->ack_status_lock, flags);
if (id >= 0) {

34
net/mac80211/util.c
Просмотреть файл

@ -1063,16 +1063,22 @@ _ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
elem_parse_failed = true;
break;
case WLAN_EID_VHT_OPERATION:
if (elen >= sizeof(struct ieee80211_vht_operation))
if (elen >= sizeof(struct ieee80211_vht_operation)) {
elems->vht_operation = (void *)pos;
else
elem_parse_failed = true;
if (calc_crc)
crc = crc32_be(crc, pos - 2, elen + 2);
break;
}
elem_parse_failed = true;
break;
case WLAN_EID_OPMODE_NOTIF:
if (elen > 0)
if (elen > 0) {
elems->opmode_notif = pos;
else
elem_parse_failed = true;
if (calc_crc)
crc = crc32_be(crc, pos - 2, elen + 2);
break;
}
elem_parse_failed = true;
break;
case WLAN_EID_MESH_ID:
elems->mesh_id = pos;
@ -2987,10 +2993,22 @@ bool ieee80211_chandef_vht_oper(struct ieee80211_hw *hw,
int cf0, cf1;
int ccfs0, ccfs1, ccfs2;
int ccf0, ccf1;
u32 vht_cap;
bool support_80_80 = false;
bool support_160 = false;
if (!oper || !htop)
return false;
vht_cap = hw->wiphy->bands[chandef->chan->band]->vht_cap.cap;
support_160 = (vht_cap & (IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK |
IEEE80211_VHT_CAP_EXT_NSS_BW_MASK));
support_80_80 = ((vht_cap &
IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ) ||
(vht_cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ &&
vht_cap & IEEE80211_VHT_CAP_EXT_NSS_BW_MASK) ||
((vht_cap & IEEE80211_VHT_CAP_EXT_NSS_BW_MASK) >>
IEEE80211_VHT_CAP_EXT_NSS_BW_SHIFT > 1));
ccfs0 = oper->center_freq_seg0_idx;
ccfs1 = oper->center_freq_seg1_idx;
ccfs2 = (le16_to_cpu(htop->operation_mode) &
@ -3018,10 +3036,10 @@ bool ieee80211_chandef_vht_oper(struct ieee80211_hw *hw,
unsigned int diff;
diff = abs(ccf1 - ccf0);
if (diff == 8) {
if ((diff == 8) && support_160) {
new.width = NL80211_CHAN_WIDTH_160;
new.center_freq1 = cf1;
} else if (diff > 8) {
} else if ((diff > 8) && support_80_80) {
new.width = NL80211_CHAN_WIDTH_80P80;
new.center_freq2 = cf1;
}

8
net/wireless/ethtool.c
Просмотреть файл

@ -7,9 +7,13 @@
void cfg80211_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct device *pdev = wiphy_dev(wdev->wiphy);
strlcpy(info->driver, wiphy_dev(wdev->wiphy)->driver->name,
sizeof(info->driver));
if (pdev->driver)
strlcpy(info->driver, pdev->driver->name,
sizeof(info->driver));
else
strlcpy(info->driver, "N/A", sizeof(info->driver));
strlcpy(info->version, init_utsname()->release, sizeof(info->version));

1
net/wireless/nl80211.c
Просмотреть файл

@ -437,6 +437,7 @@ const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG },
[NL80211_ATTR_CONTROL_PORT_OVER_NL80211] = { .type = NLA_FLAG },
[NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG },
[NL80211_ATTR_STATUS_CODE] = { .type = NLA_U16 },
[NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 },
[NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 },
[NL80211_ATTR_PID] = { .type = NLA_U32 },