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wireless-drivers fixes for 5.3 

Third set of fixes for 5.3, and most likely the last one. The rt2x00
 regression has been reported multiple times, others are of lower
 priority.
 
 mt76
 
 * fix hang on resume on certain machines
 
 rt2x00
 
 * fix AP mode regression related to encryption
 
 iwlwifi
 
 * avoid unnecessary error messages due to multicast frames when not
   associated
 
 * fix configuration for ax201 devices
 
 * fix recognition of QuZ devices
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Merge tag 'wireless-drivers-for-davem-2019-08-21' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers

Kalle Valo says:

====================
wireless-drivers fixes for 5.3

Third set of fixes for 5.3, and most likely the last one. The rt2x00
regression has been reported multiple times, others are of lower
priority.

mt76

* fix hang on resume on certain machines

rt2x00

* fix AP mode regression related to encryption

iwlwifi

* avoid unnecessary error messages due to multicast frames when not
  associated

* fix configuration for ax201 devices

* fix recognition of QuZ devices
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
alistair/sunxi64-5.4-dsi
David S. Miller 2019-08-22 16:12:16 -07:00
parent de0e4fd2f0 5a8c31aa63
commit 4df0d839ba
9 changed files with 93 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c
View File

@ -554,7 +554,7 @@ static void iwl_mvm_mac_ctxt_cmd_common(struct iwl_mvm *mvm,
cpu_to_le32(vif->bss_conf.use_short_slot ?
MAC_FLG_SHORT_SLOT : 0);
cmd->filter_flags = cpu_to_le32(MAC_FILTER_ACCEPT_GRP);
cmd->filter_flags = 0;
for (i = 0; i < IEEE80211_NUM_ACS; i++) {
u8 txf = iwl_mvm_mac_ac_to_tx_fifo(mvm, i);
@ -623,6 +623,8 @@ static int iwl_mvm_mac_ctxt_cmd_sta(struct iwl_mvm *mvm,
/* We need the dtim_period to set the MAC as associated */
if (vif->bss_conf.assoc && vif->bss_conf.dtim_period &&
!force_assoc_off) {
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
u8 ap_sta_id = mvmvif->ap_sta_id;
u32 dtim_offs;
/*
@ -658,6 +660,29 @@ static int iwl_mvm_mac_ctxt_cmd_sta(struct iwl_mvm *mvm,
dtim_offs);
ctxt_sta->is_assoc = cpu_to_le32(1);
/*
* allow multicast data frames only as long as the station is
* authorized, i.e., GTK keys are already installed (if needed)
*/
if (ap_sta_id < IWL_MVM_STATION_COUNT) {
struct ieee80211_sta *sta;
rcu_read_lock();
sta = rcu_dereference(mvm->fw_id_to_mac_id[ap_sta_id]);
if (!IS_ERR_OR_NULL(sta)) {
struct iwl_mvm_sta *mvmsta =
iwl_mvm_sta_from_mac80211(sta);
if (mvmsta->sta_state ==
IEEE80211_STA_AUTHORIZED)
cmd.filter_flags |=
cpu_to_le32(MAC_FILTER_ACCEPT_GRP);
}
rcu_read_unlock();
}
} else {
ctxt_sta->is_assoc = cpu_to_le32(0);
@ -703,7 +728,8 @@ static int iwl_mvm_mac_ctxt_cmd_listener(struct iwl_mvm *mvm,
MAC_FILTER_IN_CONTROL_AND_MGMT |
MAC_FILTER_IN_BEACON |
MAC_FILTER_IN_PROBE_REQUEST |
MAC_FILTER_IN_CRC32);
MAC_FILTER_IN_CRC32 |
MAC_FILTER_ACCEPT_GRP);
ieee80211_hw_set(mvm->hw, RX_INCLUDES_FCS);
/* Allocate sniffer station */
@ -727,7 +753,8 @@ static int iwl_mvm_mac_ctxt_cmd_ibss(struct iwl_mvm *mvm,
iwl_mvm_mac_ctxt_cmd_common(mvm, vif, &cmd, NULL, action);
cmd.filter_flags = cpu_to_le32(MAC_FILTER_IN_BEACON |
MAC_FILTER_IN_PROBE_REQUEST);
MAC_FILTER_IN_PROBE_REQUEST |
MAC_FILTER_ACCEPT_GRP);
/* cmd.ibss.beacon_time/cmd.ibss.beacon_tsf are curently ignored */
cmd.ibss.bi = cpu_to_le32(vif->bss_conf.beacon_int);

10
drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
View File

@ -3327,10 +3327,20 @@ static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw,
/* enable beacon filtering */
WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0));
/*
* Now that the station is authorized, i.e., keys were already
* installed, need to indicate to the FW that
* multicast data frames can be forwarded to the driver
*/
iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
iwl_mvm_rs_rate_init(mvm, sta, mvmvif->phy_ctxt->channel->band,
true);
} else if (old_state == IEEE80211_STA_AUTHORIZED &&
new_state == IEEE80211_STA_ASSOC) {
/* Multicast data frames are no longer allowed */
iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
/* disable beacon filtering */
ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0);
WARN_ON(ret &&

17
drivers/net/wireless/intel/iwlwifi/pcie/drv.c
View File

@ -1063,6 +1063,23 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
else if (iwl_trans->cfg == &iwl9560_2ac_160_cfg_qu_b0_jf_b0)
iwl_trans->cfg = &iwl9560_2ac_160_cfg_qu_c0_jf_b0;
}
/* same thing for QuZ... */
if (iwl_trans->hw_rev == CSR_HW_REV_TYPE_QUZ) {
if (cfg == &iwl_ax101_cfg_qu_hr)
cfg = &iwl_ax101_cfg_quz_hr;
else if (cfg == &iwl_ax201_cfg_qu_hr)
cfg = &iwl_ax201_cfg_quz_hr;
else if (cfg == &iwl9461_2ac_cfg_qu_b0_jf_b0)
cfg = &iwl9461_2ac_cfg_quz_a0_jf_b0_soc;
else if (cfg == &iwl9462_2ac_cfg_qu_b0_jf_b0)
cfg = &iwl9462_2ac_cfg_quz_a0_jf_b0_soc;
else if (cfg == &iwl9560_2ac_cfg_qu_b0_jf_b0)
cfg = &iwl9560_2ac_cfg_quz_a0_jf_b0_soc;
else if (cfg == &iwl9560_2ac_160_cfg_qu_b0_jf_b0)
cfg = &iwl9560_2ac_160_cfg_quz_a0_jf_b0_soc;
}
#endif
pci_set_drvdata(pdev, iwl_trans);

1
drivers/net/wireless/intel/iwlwifi/pcie/trans.c
View File

@ -3603,6 +3603,7 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev,
} else if (CSR_HW_RF_ID_TYPE_CHIP_ID(trans->hw_rf_id) ==
CSR_HW_RF_ID_TYPE_CHIP_ID(CSR_HW_RF_ID_TYPE_HR) &&
((trans->cfg != &iwl_ax200_cfg_cc &&
trans->cfg != &iwl_ax201_cfg_qu_hr &&
trans->cfg != &killer1650x_2ax_cfg &&
trans->cfg != &killer1650w_2ax_cfg &&
trans->cfg != &iwl_ax201_cfg_quz_hr) ||

20
drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c
View File

@ -99,10 +99,7 @@ void iwl_pcie_gen2_update_byte_tbl(struct iwl_trans_pcie *trans_pcie,
u16 len = byte_cnt;
__le16 bc_ent;
if (trans_pcie->bc_table_dword)
len = DIV_ROUND_UP(len, 4);
if (WARN_ON(len > 0xFFF || idx >= txq->n_window))
if (WARN(idx >= txq->n_window, "%d >= %d\n", idx, txq->n_window))
return;
filled_tfd_size = offsetof(struct iwl_tfh_tfd, tbs) +
@ -117,11 +114,20 @@ void iwl_pcie_gen2_update_byte_tbl(struct iwl_trans_pcie *trans_pcie,
*/
num_fetch_chunks = DIV_ROUND_UP(filled_tfd_size, 64) - 1;
bc_ent = cpu_to_le16(len | (num_fetch_chunks << 12));
if (trans->cfg->device_family >= IWL_DEVICE_FAMILY_22560)
if (trans->cfg->device_family >= IWL_DEVICE_FAMILY_22560) {
/* Starting from 22560, the HW expects bytes */
WARN_ON(trans_pcie->bc_table_dword);
WARN_ON(len > 0x3FFF);
bc_ent = cpu_to_le16(len | (num_fetch_chunks << 14));
scd_bc_tbl_gen3->tfd_offset[idx] = bc_ent;
else
} else {
/* Until 22560, the HW expects DW */
WARN_ON(!trans_pcie->bc_table_dword);
len = DIV_ROUND_UP(len, 4);
WARN_ON(len > 0xFFF);
bc_ent = cpu_to_le16(len | (num_fetch_chunks << 12));
scd_bc_tbl->tfd_offset[idx] = bc_ent;
}
}
/*

8
drivers/net/wireless/mediatek/mt76/mt76x0/usb.c
View File

@ -136,11 +136,11 @@ static const struct ieee80211_ops mt76x0u_ops = {
.release_buffered_frames = mt76_release_buffered_frames,
};
static int mt76x0u_init_hardware(struct mt76x02_dev *dev)
static int mt76x0u_init_hardware(struct mt76x02_dev *dev, bool reset)
{
int err;
mt76x0_chip_onoff(dev, true, true);
mt76x0_chip_onoff(dev, true, reset);
if (!mt76x02_wait_for_mac(&dev->mt76))
return -ETIMEDOUT;
@ -173,7 +173,7 @@ static int mt76x0u_register_device(struct mt76x02_dev *dev)
if (err < 0)
goto out_err;
err = mt76x0u_init_hardware(dev);
err = mt76x0u_init_hardware(dev, true);
if (err < 0)
goto out_err;
@ -309,7 +309,7 @@ static int __maybe_unused mt76x0_resume(struct usb_interface *usb_intf)
if (ret < 0)
goto err;
ret = mt76x0u_init_hardware(dev);
ret = mt76x0u_init_hardware(dev, false);
if (ret)
goto err;

9
drivers/net/wireless/ralink/rt2x00/rt2800lib.c
View File

@ -6094,6 +6094,15 @@ static int rt2800_init_registers(struct rt2x00_dev *rt2x00dev)
rt2800_delete_wcid_attr(rt2x00dev, i);
}
/*
* Clear encryption initialization vectors on start, but keep them
* for watchdog reset. Otherwise we will have wrong IVs and not be
* able to keep connections after reset.
*/
if (!test_bit(DEVICE_STATE_RESET, &rt2x00dev->flags))
for (i = 0; i < 256; i++)
rt2800_register_write(rt2x00dev, MAC_IVEIV_ENTRY(i), 0);
/*
* Clear all beacons
*/

1
drivers/net/wireless/ralink/rt2x00/rt2x00.h
View File

@ -658,6 +658,7 @@ enum rt2x00_state_flags {
DEVICE_STATE_ENABLED_RADIO,
DEVICE_STATE_SCANNING,
DEVICE_STATE_FLUSHING,
DEVICE_STATE_RESET,
/*
* Driver configuration

13
drivers/net/wireless/ralink/rt2x00/rt2x00dev.c
View File

@ -1256,13 +1256,14 @@ static int rt2x00lib_initialize(struct rt2x00_dev *rt2x00dev)
int rt2x00lib_start(struct rt2x00_dev *rt2x00dev)
{
int retval;
int retval = 0;
if (test_bit(DEVICE_STATE_STARTED, &rt2x00dev->flags)) {
/*
* This is special case for ieee80211_restart_hw(), otherwise
* mac80211 never call start() two times in row without stop();
*/
set_bit(DEVICE_STATE_RESET, &rt2x00dev->flags);
rt2x00dev->ops->lib->pre_reset_hw(rt2x00dev);
rt2x00lib_stop(rt2x00dev);
}
@ -1273,14 +1274,14 @@ int rt2x00lib_start(struct rt2x00_dev *rt2x00dev)
*/
retval = rt2x00lib_load_firmware(rt2x00dev);
if (retval)
return retval;
goto out;
/*
* Initialize the device.
*/
retval = rt2x00lib_initialize(rt2x00dev);
if (retval)
return retval;
goto out;
rt2x00dev->intf_ap_count = 0;
rt2x00dev->intf_sta_count = 0;
@ -1289,11 +1290,13 @@ int rt2x00lib_start(struct rt2x00_dev *rt2x00dev)
/* Enable the radio */
retval = rt2x00lib_enable_radio(rt2x00dev);
if (retval)
return retval;
goto out;
set_bit(DEVICE_STATE_STARTED, &rt2x00dev->flags);
return 0;
out:
clear_bit(DEVICE_STATE_RESET, &rt2x00dev->flags);
return retval;
}
void rt2x00lib_stop(struct rt2x00_dev *rt2x00dev)