diff options
Diffstat (limited to 'drivers/net/wireless/ralink/rt2x00/rt61pci.c')
| -rw-r--r-- | drivers/net/wireless/ralink/rt2x00/rt61pci.c | 150 |
1 files changed, 30 insertions, 120 deletions
diff --git a/drivers/net/wireless/ralink/rt2x00/rt61pci.c b/drivers/net/wireless/ralink/rt2x00/rt61pci.c index 234310200759..d1cd5694e3c7 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt61pci.c +++ b/drivers/net/wireless/ralink/rt2x00/rt61pci.c @@ -1,19 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com> <http://rt2x00.serialmonkey.com> - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - 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, see <http://www.gnu.org/licenses/>. */ /* @@ -40,7 +29,7 @@ * Allow hardware encryption to be disabled. */ static bool modparam_nohwcrypt = false; -module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO); +module_param_named(nohwcrypt, modparam_nohwcrypt, bool, 0444); MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption."); /* @@ -321,97 +310,12 @@ static int rt61pci_config_shared_key(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_crypto *crypto, struct ieee80211_key_conf *key) { - struct hw_key_entry key_entry; - struct rt2x00_field32 field; - u32 mask; - u32 reg; - - if (crypto->cmd == SET_KEY) { - /* - * rt2x00lib can't determine the correct free - * key_idx for shared keys. We have 1 register - * with key valid bits. The goal is simple, read - * the register, if that is full we have no slots - * left. - * Note that each BSS is allowed to have up to 4 - * shared keys, so put a mask over the allowed - * entries. - */ - mask = (0xf << crypto->bssidx); - - reg = rt2x00mmio_register_read(rt2x00dev, SEC_CSR0); - reg &= mask; - - if (reg && reg == mask) - return -ENOSPC; - - key->hw_key_idx += reg ? ffz(reg) : 0; - - /* - * Upload key to hardware - */ - memcpy(key_entry.key, crypto->key, - sizeof(key_entry.key)); - memcpy(key_entry.tx_mic, crypto->tx_mic, - sizeof(key_entry.tx_mic)); - memcpy(key_entry.rx_mic, crypto->rx_mic, - sizeof(key_entry.rx_mic)); - - reg = SHARED_KEY_ENTRY(key->hw_key_idx); - rt2x00mmio_register_multiwrite(rt2x00dev, reg, - &key_entry, sizeof(key_entry)); - - /* - * The cipher types are stored over 2 registers. - * bssidx 0 and 1 keys are stored in SEC_CSR1 and - * bssidx 1 and 2 keys are stored in SEC_CSR5. - * Using the correct defines correctly will cause overhead, - * so just calculate the correct offset. - */ - if (key->hw_key_idx < 8) { - field.bit_offset = (3 * key->hw_key_idx); - field.bit_mask = 0x7 << field.bit_offset; - - reg = rt2x00mmio_register_read(rt2x00dev, SEC_CSR1); - rt2x00_set_field32(®, field, crypto->cipher); - rt2x00mmio_register_write(rt2x00dev, SEC_CSR1, reg); - } else { - field.bit_offset = (3 * (key->hw_key_idx - 8)); - field.bit_mask = 0x7 << field.bit_offset; - - reg = rt2x00mmio_register_read(rt2x00dev, SEC_CSR5); - rt2x00_set_field32(®, field, crypto->cipher); - rt2x00mmio_register_write(rt2x00dev, SEC_CSR5, reg); - } - - /* - * The driver does not support the IV/EIV generation - * in hardware. However it doesn't support the IV/EIV - * inside the ieee80211 frame either, but requires it - * to be provided separately for the descriptor. - * rt2x00lib will cut the IV/EIV data out of all frames - * given to us by mac80211, but we must tell mac80211 - * to generate the IV/EIV data. - */ - key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; - } - /* - * SEC_CSR0 contains only single-bit fields to indicate - * a particular key is valid. Because using the FIELD32() - * defines directly will cause a lot of overhead, we use - * a calculation to determine the correct bit directly. + * Let the software handle the shared keys, + * since the hardware decryption does not work reliably, + * because the firmware does not know the key's keyidx. */ - mask = 1 << key->hw_key_idx; - - reg = rt2x00mmio_register_read(rt2x00dev, SEC_CSR0); - if (crypto->cmd == SET_KEY) - reg |= mask; - else if (crypto->cmd == DISABLE_KEY) - reg &= ~mask; - rt2x00mmio_register_write(rt2x00dev, SEC_CSR0, reg); - - return 0; + return -EOPNOTSUPP; } static int rt61pci_config_pairwise_key(struct rt2x00_dev *rt2x00dev, @@ -1805,7 +1709,7 @@ static int rt61pci_set_state(struct rt2x00_dev *rt2x00dev, enum dev_state state) { u32 reg, reg2; unsigned int i; - char put_to_sleep; + bool put_to_sleep; put_to_sleep = (state != STATE_AWAKE); @@ -2226,7 +2130,7 @@ static void rt61pci_txdone(struct rt2x00_dev *rt2x00dev) break; case 6: /* Failure, excessive retries */ __set_bit(TXDONE_EXCESSIVE_RETRY, &txdesc.flags); - /* Don't break, this is a failed frame! */ + fallthrough; /* this is a failed frame! */ default: /* Failure */ __set_bit(TXDONE_FAILURE, &txdesc.flags); } @@ -2286,34 +2190,38 @@ static void rt61pci_enable_mcu_interrupt(struct rt2x00_dev *rt2x00dev, spin_unlock_irq(&rt2x00dev->irqmask_lock); } -static void rt61pci_txstatus_tasklet(unsigned long data) +static void rt61pci_txstatus_tasklet(struct tasklet_struct *t) { - struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data; + struct rt2x00_dev *rt2x00dev = from_tasklet(rt2x00dev, t, + txstatus_tasklet); + rt61pci_txdone(rt2x00dev); if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags)) rt61pci_enable_interrupt(rt2x00dev, INT_MASK_CSR_TXDONE); } -static void rt61pci_tbtt_tasklet(unsigned long data) +static void rt61pci_tbtt_tasklet(struct tasklet_struct *t) { - struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data; + struct rt2x00_dev *rt2x00dev = from_tasklet(rt2x00dev, t, tbtt_tasklet); rt2x00lib_beacondone(rt2x00dev); if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags)) rt61pci_enable_interrupt(rt2x00dev, INT_MASK_CSR_BEACON_DONE); } -static void rt61pci_rxdone_tasklet(unsigned long data) +static void rt61pci_rxdone_tasklet(struct tasklet_struct *t) { - struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data; + struct rt2x00_dev *rt2x00dev = from_tasklet(rt2x00dev, t, + rxdone_tasklet); if (rt2x00mmio_rxdone(rt2x00dev)) tasklet_schedule(&rt2x00dev->rxdone_tasklet); else if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags)) rt61pci_enable_interrupt(rt2x00dev, INT_MASK_CSR_RXDONE); } -static void rt61pci_autowake_tasklet(unsigned long data) +static void rt61pci_autowake_tasklet(struct tasklet_struct *t) { - struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data; + struct rt2x00_dev *rt2x00dev = from_tasklet(rt2x00dev, t, + autowake_tasklet); rt61pci_wakeup(rt2x00dev); rt2x00mmio_register_write(rt2x00dev, M2H_CMD_DONE_CSR, 0xffffffff); @@ -2748,7 +2656,7 @@ static int rt61pci_probe_hw_mode(struct rt2x00_dev *rt2x00dev) { struct hw_mode_spec *spec = &rt2x00dev->spec; struct channel_info *info; - char *tx_power; + u8 *tx_power; unsigned int i; /* @@ -2891,7 +2799,8 @@ static int rt61pci_probe_hw(struct rt2x00_dev *rt2x00dev) * IEEE80211 stack callback functions. */ static int rt61pci_conf_tx(struct ieee80211_hw *hw, - struct ieee80211_vif *vif, u16 queue_idx, + struct ieee80211_vif *vif, + unsigned int link_id, u16 queue_idx, const struct ieee80211_tx_queue_params *params) { struct rt2x00_dev *rt2x00dev = hw->priv; @@ -2907,7 +2816,7 @@ static int rt61pci_conf_tx(struct ieee80211_hw *hw, * we are free to update the registers based on the value * in the queue parameter. */ - retval = rt2x00mac_conf_tx(hw, vif, queue_idx, params); + retval = rt2x00mac_conf_tx(hw, vif, link_id, queue_idx, params); if (retval) return retval; @@ -2963,7 +2872,12 @@ static u64 rt61pci_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) } static const struct ieee80211_ops rt61pci_mac80211_ops = { + .add_chanctx = ieee80211_emulate_add_chanctx, + .remove_chanctx = ieee80211_emulate_remove_chanctx, + .change_chanctx = ieee80211_emulate_change_chanctx, + .switch_vif_chanctx = ieee80211_emulate_switch_vif_chanctx, .tx = rt2x00mac_tx, + .wake_tx_queue = ieee80211_handle_wake_tx_queue, .start = rt2x00mac_start, .stop = rt2x00mac_stop, .add_interface = rt2x00mac_add_interface, @@ -3049,7 +2963,6 @@ static void rt61pci_queue_init(struct data_queue *queue) break; case QID_ATIM: - /* fallthrough */ default: BUG(); break; @@ -3086,8 +2999,6 @@ static const struct pci_device_id rt61pci_device_table[] = { MODULE_AUTHOR(DRV_PROJECT); MODULE_VERSION(DRV_VERSION); MODULE_DESCRIPTION("Ralink RT61 PCI & PCMCIA Wireless LAN driver."); -MODULE_SUPPORTED_DEVICE("Ralink RT2561, RT2561s & RT2661 " - "PCI & PCMCIA chipset based cards"); MODULE_DEVICE_TABLE(pci, rt61pci_device_table); MODULE_FIRMWARE(FIRMWARE_RT2561); MODULE_FIRMWARE(FIRMWARE_RT2561s); @@ -3105,8 +3016,7 @@ static struct pci_driver rt61pci_driver = { .id_table = rt61pci_device_table, .probe = rt61pci_probe, .remove = rt2x00pci_remove, - .suspend = rt2x00pci_suspend, - .resume = rt2x00pci_resume, + .driver.pm = &rt2x00pci_pm_ops, }; module_pci_driver(rt61pci_driver); |
