12b27bdccSThomas Gleixner // SPDX-License-Identifier: GPL-2.0-only
290921014SLuciano Coelho /*
390921014SLuciano Coelho * This file is part of wl1251
490921014SLuciano Coelho *
590921014SLuciano Coelho * Copyright (C) 2008-2009 Nokia Corporation
690921014SLuciano Coelho */
790921014SLuciano Coelho
890921014SLuciano Coelho #include <linux/module.h>
990921014SLuciano Coelho #include <linux/interrupt.h>
1090921014SLuciano Coelho #include <linux/firmware.h>
1190921014SLuciano Coelho #include <linux/delay.h>
1290921014SLuciano Coelho #include <linux/irq.h>
1390921014SLuciano Coelho #include <linux/crc32.h>
1490921014SLuciano Coelho #include <linux/etherdevice.h>
1590921014SLuciano Coelho #include <linux/vmalloc.h>
1690921014SLuciano Coelho #include <linux/slab.h>
179ed74ba0SDavid Gnedt #include <linux/netdevice.h>
1890921014SLuciano Coelho
1990921014SLuciano Coelho #include "wl1251.h"
2090921014SLuciano Coelho #include "wl12xx_80211.h"
2190921014SLuciano Coelho #include "reg.h"
2290921014SLuciano Coelho #include "io.h"
2390921014SLuciano Coelho #include "cmd.h"
2490921014SLuciano Coelho #include "event.h"
2590921014SLuciano Coelho #include "tx.h"
2690921014SLuciano Coelho #include "rx.h"
2790921014SLuciano Coelho #include "ps.h"
2890921014SLuciano Coelho #include "init.h"
2990921014SLuciano Coelho #include "debugfs.h"
3090921014SLuciano Coelho #include "boot.h"
3190921014SLuciano Coelho
wl1251_enable_interrupts(struct wl1251 * wl)3290921014SLuciano Coelho void wl1251_enable_interrupts(struct wl1251 *wl)
3390921014SLuciano Coelho {
3490921014SLuciano Coelho wl->if_ops->enable_irq(wl);
3590921014SLuciano Coelho }
3690921014SLuciano Coelho
wl1251_disable_interrupts(struct wl1251 * wl)3790921014SLuciano Coelho void wl1251_disable_interrupts(struct wl1251 *wl)
3890921014SLuciano Coelho {
3990921014SLuciano Coelho wl->if_ops->disable_irq(wl);
4090921014SLuciano Coelho }
4190921014SLuciano Coelho
wl1251_power_off(struct wl1251 * wl)4290921014SLuciano Coelho static int wl1251_power_off(struct wl1251 *wl)
4390921014SLuciano Coelho {
4490921014SLuciano Coelho return wl->if_ops->power(wl, false);
4590921014SLuciano Coelho }
4690921014SLuciano Coelho
wl1251_power_on(struct wl1251 * wl)4790921014SLuciano Coelho static int wl1251_power_on(struct wl1251 *wl)
4890921014SLuciano Coelho {
4990921014SLuciano Coelho return wl->if_ops->power(wl, true);
5090921014SLuciano Coelho }
5190921014SLuciano Coelho
wl1251_fetch_firmware(struct wl1251 * wl)5290921014SLuciano Coelho static int wl1251_fetch_firmware(struct wl1251 *wl)
5390921014SLuciano Coelho {
5490921014SLuciano Coelho const struct firmware *fw;
5590921014SLuciano Coelho struct device *dev = wiphy_dev(wl->hw->wiphy);
5690921014SLuciano Coelho int ret;
5790921014SLuciano Coelho
5890921014SLuciano Coelho ret = request_firmware(&fw, WL1251_FW_NAME, dev);
5990921014SLuciano Coelho
6090921014SLuciano Coelho if (ret < 0) {
6190921014SLuciano Coelho wl1251_error("could not get firmware: %d", ret);
6290921014SLuciano Coelho return ret;
6390921014SLuciano Coelho }
6490921014SLuciano Coelho
6590921014SLuciano Coelho if (fw->size % 4) {
6690921014SLuciano Coelho wl1251_error("firmware size is not multiple of 32 bits: %zu",
6790921014SLuciano Coelho fw->size);
6890921014SLuciano Coelho ret = -EILSEQ;
6990921014SLuciano Coelho goto out;
7090921014SLuciano Coelho }
7190921014SLuciano Coelho
7290921014SLuciano Coelho wl->fw_len = fw->size;
7390921014SLuciano Coelho wl->fw = vmalloc(wl->fw_len);
7490921014SLuciano Coelho
7590921014SLuciano Coelho if (!wl->fw) {
7690921014SLuciano Coelho wl1251_error("could not allocate memory for the firmware");
7790921014SLuciano Coelho ret = -ENOMEM;
7890921014SLuciano Coelho goto out;
7990921014SLuciano Coelho }
8090921014SLuciano Coelho
8190921014SLuciano Coelho memcpy(wl->fw, fw->data, wl->fw_len);
8290921014SLuciano Coelho
8390921014SLuciano Coelho ret = 0;
8490921014SLuciano Coelho
8590921014SLuciano Coelho out:
8690921014SLuciano Coelho release_firmware(fw);
8790921014SLuciano Coelho
8890921014SLuciano Coelho return ret;
8990921014SLuciano Coelho }
9090921014SLuciano Coelho
wl1251_fetch_nvs(struct wl1251 * wl)9190921014SLuciano Coelho static int wl1251_fetch_nvs(struct wl1251 *wl)
9290921014SLuciano Coelho {
9390921014SLuciano Coelho const struct firmware *fw;
9490921014SLuciano Coelho struct device *dev = wiphy_dev(wl->hw->wiphy);
9590921014SLuciano Coelho int ret;
9690921014SLuciano Coelho
9790921014SLuciano Coelho ret = request_firmware(&fw, WL1251_NVS_NAME, dev);
9890921014SLuciano Coelho
9990921014SLuciano Coelho if (ret < 0) {
10090921014SLuciano Coelho wl1251_error("could not get nvs file: %d", ret);
10190921014SLuciano Coelho return ret;
10290921014SLuciano Coelho }
10390921014SLuciano Coelho
10490921014SLuciano Coelho if (fw->size % 4) {
10590921014SLuciano Coelho wl1251_error("nvs size is not multiple of 32 bits: %zu",
10690921014SLuciano Coelho fw->size);
10790921014SLuciano Coelho ret = -EILSEQ;
10890921014SLuciano Coelho goto out;
10990921014SLuciano Coelho }
11090921014SLuciano Coelho
111f63b4c97SPali Rohár wl->nvs = kmemdup(fw->data, fw->size, GFP_KERNEL);
11290921014SLuciano Coelho
11390921014SLuciano Coelho if (!wl->nvs) {
11490921014SLuciano Coelho wl1251_error("could not allocate memory for the nvs file");
11590921014SLuciano Coelho ret = -ENOMEM;
11690921014SLuciano Coelho goto out;
11790921014SLuciano Coelho }
11890921014SLuciano Coelho
119f63b4c97SPali Rohár wl->nvs_len = fw->size;
120f63b4c97SPali Rohár
12190921014SLuciano Coelho ret = 0;
12290921014SLuciano Coelho
12390921014SLuciano Coelho out:
12490921014SLuciano Coelho release_firmware(fw);
12590921014SLuciano Coelho
12690921014SLuciano Coelho return ret;
12790921014SLuciano Coelho }
12890921014SLuciano Coelho
wl1251_fw_wakeup(struct wl1251 * wl)12990921014SLuciano Coelho static void wl1251_fw_wakeup(struct wl1251 *wl)
13090921014SLuciano Coelho {
13190921014SLuciano Coelho u32 elp_reg;
13290921014SLuciano Coelho
13390921014SLuciano Coelho elp_reg = ELPCTRL_WAKE_UP;
13490921014SLuciano Coelho wl1251_write_elp(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, elp_reg);
13590921014SLuciano Coelho elp_reg = wl1251_read_elp(wl, HW_ACCESS_ELP_CTRL_REG_ADDR);
13690921014SLuciano Coelho
13790921014SLuciano Coelho if (!(elp_reg & ELPCTRL_WLAN_READY))
13890921014SLuciano Coelho wl1251_warning("WLAN not ready");
13990921014SLuciano Coelho }
14090921014SLuciano Coelho
wl1251_chip_wakeup(struct wl1251 * wl)14190921014SLuciano Coelho static int wl1251_chip_wakeup(struct wl1251 *wl)
14290921014SLuciano Coelho {
14390921014SLuciano Coelho int ret;
14490921014SLuciano Coelho
14590921014SLuciano Coelho ret = wl1251_power_on(wl);
14690921014SLuciano Coelho if (ret < 0)
14790921014SLuciano Coelho return ret;
14890921014SLuciano Coelho
14990921014SLuciano Coelho msleep(WL1251_POWER_ON_SLEEP);
15090921014SLuciano Coelho wl->if_ops->reset(wl);
15190921014SLuciano Coelho
15290921014SLuciano Coelho /* We don't need a real memory partition here, because we only want
15390921014SLuciano Coelho * to use the registers at this point. */
15490921014SLuciano Coelho wl1251_set_partition(wl,
15590921014SLuciano Coelho 0x00000000,
15690921014SLuciano Coelho 0x00000000,
15790921014SLuciano Coelho REGISTERS_BASE,
15890921014SLuciano Coelho REGISTERS_DOWN_SIZE);
15990921014SLuciano Coelho
16090921014SLuciano Coelho /* ELP module wake up */
16190921014SLuciano Coelho wl1251_fw_wakeup(wl);
16290921014SLuciano Coelho
16390921014SLuciano Coelho /* whal_FwCtrl_BootSm() */
16490921014SLuciano Coelho
16590921014SLuciano Coelho /* 0. read chip id from CHIP_ID */
16690921014SLuciano Coelho wl->chip_id = wl1251_reg_read32(wl, CHIP_ID_B);
16790921014SLuciano Coelho
16890921014SLuciano Coelho /* 1. check if chip id is valid */
16990921014SLuciano Coelho
17090921014SLuciano Coelho switch (wl->chip_id) {
17190921014SLuciano Coelho case CHIP_ID_1251_PG12:
17290921014SLuciano Coelho wl1251_debug(DEBUG_BOOT, "chip id 0x%x (1251 PG12)",
17390921014SLuciano Coelho wl->chip_id);
17490921014SLuciano Coelho break;
17590921014SLuciano Coelho case CHIP_ID_1251_PG11:
17690921014SLuciano Coelho wl1251_debug(DEBUG_BOOT, "chip id 0x%x (1251 PG11)",
17790921014SLuciano Coelho wl->chip_id);
17890921014SLuciano Coelho break;
17990921014SLuciano Coelho case CHIP_ID_1251_PG10:
18090921014SLuciano Coelho default:
18190921014SLuciano Coelho wl1251_error("unsupported chip id: 0x%x", wl->chip_id);
18290921014SLuciano Coelho ret = -ENODEV;
18390921014SLuciano Coelho goto out;
18490921014SLuciano Coelho }
18590921014SLuciano Coelho
18690921014SLuciano Coelho if (wl->fw == NULL) {
18790921014SLuciano Coelho ret = wl1251_fetch_firmware(wl);
18890921014SLuciano Coelho if (ret < 0)
18990921014SLuciano Coelho goto out;
19090921014SLuciano Coelho }
19190921014SLuciano Coelho
19290921014SLuciano Coelho out:
19390921014SLuciano Coelho return ret;
19490921014SLuciano Coelho }
19590921014SLuciano Coelho
19690921014SLuciano Coelho #define WL1251_IRQ_LOOP_COUNT 10
wl1251_irq_work(struct work_struct * work)19790921014SLuciano Coelho static void wl1251_irq_work(struct work_struct *work)
19890921014SLuciano Coelho {
19990921014SLuciano Coelho u32 intr, ctr = WL1251_IRQ_LOOP_COUNT;
20090921014SLuciano Coelho struct wl1251 *wl =
20190921014SLuciano Coelho container_of(work, struct wl1251, irq_work);
20290921014SLuciano Coelho int ret;
20390921014SLuciano Coelho
20490921014SLuciano Coelho mutex_lock(&wl->mutex);
20590921014SLuciano Coelho
20690921014SLuciano Coelho wl1251_debug(DEBUG_IRQ, "IRQ work");
20790921014SLuciano Coelho
20890921014SLuciano Coelho if (wl->state == WL1251_STATE_OFF)
20990921014SLuciano Coelho goto out;
21090921014SLuciano Coelho
21190921014SLuciano Coelho ret = wl1251_ps_elp_wakeup(wl);
21290921014SLuciano Coelho if (ret < 0)
21390921014SLuciano Coelho goto out;
21490921014SLuciano Coelho
21590921014SLuciano Coelho wl1251_reg_write32(wl, ACX_REG_INTERRUPT_MASK, WL1251_ACX_INTR_ALL);
21690921014SLuciano Coelho
21790921014SLuciano Coelho intr = wl1251_reg_read32(wl, ACX_REG_INTERRUPT_CLEAR);
21890921014SLuciano Coelho wl1251_debug(DEBUG_IRQ, "intr: 0x%x", intr);
21990921014SLuciano Coelho
22090921014SLuciano Coelho do {
22190921014SLuciano Coelho if (wl->data_path) {
22290921014SLuciano Coelho wl->rx_counter = wl1251_mem_read32(
22390921014SLuciano Coelho wl, wl->data_path->rx_control_addr);
22490921014SLuciano Coelho
22590921014SLuciano Coelho /* We handle a frmware bug here */
22690921014SLuciano Coelho switch ((wl->rx_counter - wl->rx_handled) & 0xf) {
22790921014SLuciano Coelho case 0:
22890921014SLuciano Coelho wl1251_debug(DEBUG_IRQ,
22990921014SLuciano Coelho "RX: FW and host in sync");
23090921014SLuciano Coelho intr &= ~WL1251_ACX_INTR_RX0_DATA;
23190921014SLuciano Coelho intr &= ~WL1251_ACX_INTR_RX1_DATA;
23290921014SLuciano Coelho break;
23390921014SLuciano Coelho case 1:
23490921014SLuciano Coelho wl1251_debug(DEBUG_IRQ, "RX: FW +1");
23590921014SLuciano Coelho intr |= WL1251_ACX_INTR_RX0_DATA;
23690921014SLuciano Coelho intr &= ~WL1251_ACX_INTR_RX1_DATA;
23790921014SLuciano Coelho break;
23890921014SLuciano Coelho case 2:
23990921014SLuciano Coelho wl1251_debug(DEBUG_IRQ, "RX: FW +2");
24090921014SLuciano Coelho intr |= WL1251_ACX_INTR_RX0_DATA;
24190921014SLuciano Coelho intr |= WL1251_ACX_INTR_RX1_DATA;
24290921014SLuciano Coelho break;
24390921014SLuciano Coelho default:
24490921014SLuciano Coelho wl1251_warning(
24590921014SLuciano Coelho "RX: FW and host out of sync: %d",
24690921014SLuciano Coelho wl->rx_counter - wl->rx_handled);
24790921014SLuciano Coelho break;
24890921014SLuciano Coelho }
24990921014SLuciano Coelho
25090921014SLuciano Coelho wl->rx_handled = wl->rx_counter;
25190921014SLuciano Coelho
25290921014SLuciano Coelho wl1251_debug(DEBUG_IRQ, "RX counter: %d",
25390921014SLuciano Coelho wl->rx_counter);
25490921014SLuciano Coelho }
25590921014SLuciano Coelho
25690921014SLuciano Coelho intr &= wl->intr_mask;
25790921014SLuciano Coelho
25890921014SLuciano Coelho if (intr == 0) {
25990921014SLuciano Coelho wl1251_debug(DEBUG_IRQ, "INTR is 0");
26090921014SLuciano Coelho goto out_sleep;
26190921014SLuciano Coelho }
26290921014SLuciano Coelho
26390921014SLuciano Coelho if (intr & WL1251_ACX_INTR_RX0_DATA) {
26490921014SLuciano Coelho wl1251_debug(DEBUG_IRQ, "WL1251_ACX_INTR_RX0_DATA");
26590921014SLuciano Coelho wl1251_rx(wl);
26690921014SLuciano Coelho }
26790921014SLuciano Coelho
26890921014SLuciano Coelho if (intr & WL1251_ACX_INTR_RX1_DATA) {
26990921014SLuciano Coelho wl1251_debug(DEBUG_IRQ, "WL1251_ACX_INTR_RX1_DATA");
27090921014SLuciano Coelho wl1251_rx(wl);
27190921014SLuciano Coelho }
27290921014SLuciano Coelho
27390921014SLuciano Coelho if (intr & WL1251_ACX_INTR_TX_RESULT) {
27490921014SLuciano Coelho wl1251_debug(DEBUG_IRQ, "WL1251_ACX_INTR_TX_RESULT");
27590921014SLuciano Coelho wl1251_tx_complete(wl);
27690921014SLuciano Coelho }
27790921014SLuciano Coelho
27890921014SLuciano Coelho if (intr & WL1251_ACX_INTR_EVENT_A) {
27990921014SLuciano Coelho wl1251_debug(DEBUG_IRQ, "WL1251_ACX_INTR_EVENT_A");
28090921014SLuciano Coelho wl1251_event_handle(wl, 0);
28190921014SLuciano Coelho }
28290921014SLuciano Coelho
28390921014SLuciano Coelho if (intr & WL1251_ACX_INTR_EVENT_B) {
28490921014SLuciano Coelho wl1251_debug(DEBUG_IRQ, "WL1251_ACX_INTR_EVENT_B");
28590921014SLuciano Coelho wl1251_event_handle(wl, 1);
28690921014SLuciano Coelho }
28790921014SLuciano Coelho
28890921014SLuciano Coelho if (intr & WL1251_ACX_INTR_INIT_COMPLETE)
28990921014SLuciano Coelho wl1251_debug(DEBUG_IRQ,
29090921014SLuciano Coelho "WL1251_ACX_INTR_INIT_COMPLETE");
29190921014SLuciano Coelho
29290921014SLuciano Coelho if (--ctr == 0)
29390921014SLuciano Coelho break;
29490921014SLuciano Coelho
29590921014SLuciano Coelho intr = wl1251_reg_read32(wl, ACX_REG_INTERRUPT_CLEAR);
29690921014SLuciano Coelho } while (intr);
29790921014SLuciano Coelho
29890921014SLuciano Coelho out_sleep:
29990921014SLuciano Coelho wl1251_reg_write32(wl, ACX_REG_INTERRUPT_MASK, ~(wl->intr_mask));
30090921014SLuciano Coelho wl1251_ps_elp_sleep(wl);
30190921014SLuciano Coelho
30290921014SLuciano Coelho out:
30390921014SLuciano Coelho mutex_unlock(&wl->mutex);
30490921014SLuciano Coelho }
30590921014SLuciano Coelho
wl1251_join(struct wl1251 * wl,u8 bss_type,u8 channel,u16 beacon_interval,u8 dtim_period)30690921014SLuciano Coelho static int wl1251_join(struct wl1251 *wl, u8 bss_type, u8 channel,
30790921014SLuciano Coelho u16 beacon_interval, u8 dtim_period)
30890921014SLuciano Coelho {
30990921014SLuciano Coelho int ret;
31090921014SLuciano Coelho
31190921014SLuciano Coelho ret = wl1251_acx_frame_rates(wl, DEFAULT_HW_GEN_TX_RATE,
31290921014SLuciano Coelho DEFAULT_HW_GEN_MODULATION_TYPE,
31390921014SLuciano Coelho wl->tx_mgmt_frm_rate,
31490921014SLuciano Coelho wl->tx_mgmt_frm_mod);
31590921014SLuciano Coelho if (ret < 0)
31690921014SLuciano Coelho goto out;
31790921014SLuciano Coelho
318a2d2bb86SGrazvydas Ignotas /*
319a2d2bb86SGrazvydas Ignotas * Join command applies filters, and if we are not associated,
320a2d2bb86SGrazvydas Ignotas * BSSID filter must be disabled for association to work.
321a2d2bb86SGrazvydas Ignotas */
322a2d2bb86SGrazvydas Ignotas if (is_zero_ether_addr(wl->bssid))
323a2d2bb86SGrazvydas Ignotas wl->rx_config &= ~CFG_BSSID_FILTER_EN;
32490921014SLuciano Coelho
32590921014SLuciano Coelho ret = wl1251_cmd_join(wl, bss_type, channel, beacon_interval,
32690921014SLuciano Coelho dtim_period);
32790921014SLuciano Coelho if (ret < 0)
32890921014SLuciano Coelho goto out;
32990921014SLuciano Coelho
33090921014SLuciano Coelho ret = wl1251_event_wait(wl, JOIN_EVENT_COMPLETE_ID, 100);
33190921014SLuciano Coelho if (ret < 0)
33290921014SLuciano Coelho wl1251_warning("join timeout");
33390921014SLuciano Coelho
33490921014SLuciano Coelho out:
33590921014SLuciano Coelho return ret;
33690921014SLuciano Coelho }
33790921014SLuciano Coelho
wl1251_op_tx(struct ieee80211_hw * hw,struct ieee80211_tx_control * control,struct sk_buff * skb)33836323f81SThomas Huehn static void wl1251_op_tx(struct ieee80211_hw *hw,
33936323f81SThomas Huehn struct ieee80211_tx_control *control,
34036323f81SThomas Huehn struct sk_buff *skb)
34190921014SLuciano Coelho {
34290921014SLuciano Coelho struct wl1251 *wl = hw->priv;
34390921014SLuciano Coelho unsigned long flags;
34490921014SLuciano Coelho
34590921014SLuciano Coelho skb_queue_tail(&wl->tx_queue, skb);
34690921014SLuciano Coelho
34790921014SLuciano Coelho /*
34890921014SLuciano Coelho * The chip specific setup must run before the first TX packet -
34990921014SLuciano Coelho * before that, the tx_work will not be initialized!
35090921014SLuciano Coelho */
35190921014SLuciano Coelho
35290921014SLuciano Coelho ieee80211_queue_work(wl->hw, &wl->tx_work);
35390921014SLuciano Coelho
35490921014SLuciano Coelho /*
35590921014SLuciano Coelho * The workqueue is slow to process the tx_queue and we need stop
35690921014SLuciano Coelho * the queue here, otherwise the queue will get too long.
35790921014SLuciano Coelho */
35890921014SLuciano Coelho if (skb_queue_len(&wl->tx_queue) >= WL1251_TX_QUEUE_HIGH_WATERMARK) {
35990921014SLuciano Coelho wl1251_debug(DEBUG_TX, "op_tx: tx_queue full, stop queues");
36090921014SLuciano Coelho
36190921014SLuciano Coelho spin_lock_irqsave(&wl->wl_lock, flags);
36290921014SLuciano Coelho ieee80211_stop_queues(wl->hw);
36390921014SLuciano Coelho wl->tx_queue_stopped = true;
36490921014SLuciano Coelho spin_unlock_irqrestore(&wl->wl_lock, flags);
36590921014SLuciano Coelho }
36690921014SLuciano Coelho }
36790921014SLuciano Coelho
wl1251_op_start(struct ieee80211_hw * hw)36890921014SLuciano Coelho static int wl1251_op_start(struct ieee80211_hw *hw)
36990921014SLuciano Coelho {
37090921014SLuciano Coelho struct wl1251 *wl = hw->priv;
37190921014SLuciano Coelho struct wiphy *wiphy = hw->wiphy;
37290921014SLuciano Coelho int ret = 0;
37390921014SLuciano Coelho
37490921014SLuciano Coelho wl1251_debug(DEBUG_MAC80211, "mac80211 start");
37590921014SLuciano Coelho
37690921014SLuciano Coelho mutex_lock(&wl->mutex);
37790921014SLuciano Coelho
37890921014SLuciano Coelho if (wl->state != WL1251_STATE_OFF) {
37990921014SLuciano Coelho wl1251_error("cannot start because not in off state: %d",
38090921014SLuciano Coelho wl->state);
38190921014SLuciano Coelho ret = -EBUSY;
38290921014SLuciano Coelho goto out;
38390921014SLuciano Coelho }
38490921014SLuciano Coelho
38590921014SLuciano Coelho ret = wl1251_chip_wakeup(wl);
38690921014SLuciano Coelho if (ret < 0)
38790921014SLuciano Coelho goto out;
38890921014SLuciano Coelho
38990921014SLuciano Coelho ret = wl1251_boot(wl);
39090921014SLuciano Coelho if (ret < 0)
39190921014SLuciano Coelho goto out;
39290921014SLuciano Coelho
39390921014SLuciano Coelho ret = wl1251_hw_init(wl);
39490921014SLuciano Coelho if (ret < 0)
39590921014SLuciano Coelho goto out;
39690921014SLuciano Coelho
39790921014SLuciano Coelho ret = wl1251_acx_station_id(wl);
39890921014SLuciano Coelho if (ret < 0)
39990921014SLuciano Coelho goto out;
40090921014SLuciano Coelho
40190921014SLuciano Coelho wl->state = WL1251_STATE_ON;
40290921014SLuciano Coelho
40390921014SLuciano Coelho wl1251_info("firmware booted (%s)", wl->fw_ver);
40490921014SLuciano Coelho
40590921014SLuciano Coelho /* update hw/fw version info in wiphy struct */
40690921014SLuciano Coelho wiphy->hw_version = wl->chip_id;
40790921014SLuciano Coelho strncpy(wiphy->fw_version, wl->fw_ver, sizeof(wiphy->fw_version));
40890921014SLuciano Coelho
40990921014SLuciano Coelho out:
41090921014SLuciano Coelho if (ret < 0)
41190921014SLuciano Coelho wl1251_power_off(wl);
41290921014SLuciano Coelho
41390921014SLuciano Coelho mutex_unlock(&wl->mutex);
41490921014SLuciano Coelho
41590921014SLuciano Coelho return ret;
41690921014SLuciano Coelho }
41790921014SLuciano Coelho
wl1251_op_stop(struct ieee80211_hw * hw)41890921014SLuciano Coelho static void wl1251_op_stop(struct ieee80211_hw *hw)
41990921014SLuciano Coelho {
42090921014SLuciano Coelho struct wl1251 *wl = hw->priv;
42190921014SLuciano Coelho
42290921014SLuciano Coelho wl1251_info("down");
42390921014SLuciano Coelho
42490921014SLuciano Coelho wl1251_debug(DEBUG_MAC80211, "mac80211 stop");
42590921014SLuciano Coelho
42690921014SLuciano Coelho mutex_lock(&wl->mutex);
42790921014SLuciano Coelho
42890921014SLuciano Coelho WARN_ON(wl->state != WL1251_STATE_ON);
42990921014SLuciano Coelho
43090921014SLuciano Coelho if (wl->scanning) {
4317947d3e0SAvraham Stern struct cfg80211_scan_info info = {
4327947d3e0SAvraham Stern .aborted = true,
4337947d3e0SAvraham Stern };
4347947d3e0SAvraham Stern
4357947d3e0SAvraham Stern ieee80211_scan_completed(wl->hw, &info);
43690921014SLuciano Coelho wl->scanning = false;
43790921014SLuciano Coelho }
43890921014SLuciano Coelho
43990921014SLuciano Coelho wl->state = WL1251_STATE_OFF;
44090921014SLuciano Coelho
44190921014SLuciano Coelho wl1251_disable_interrupts(wl);
44290921014SLuciano Coelho
44390921014SLuciano Coelho mutex_unlock(&wl->mutex);
44490921014SLuciano Coelho
44590921014SLuciano Coelho cancel_work_sync(&wl->irq_work);
44690921014SLuciano Coelho cancel_work_sync(&wl->tx_work);
4470d6c4a2eSDavid S. Miller cancel_delayed_work_sync(&wl->elp_work);
44890921014SLuciano Coelho
44990921014SLuciano Coelho mutex_lock(&wl->mutex);
45090921014SLuciano Coelho
45190921014SLuciano Coelho /* let's notify MAC80211 about the remaining pending TX frames */
45290921014SLuciano Coelho wl1251_tx_flush(wl);
45390921014SLuciano Coelho wl1251_power_off(wl);
45490921014SLuciano Coelho
45593803b33SJoe Perches eth_zero_addr(wl->bssid);
45690921014SLuciano Coelho wl->listen_int = 1;
45790921014SLuciano Coelho wl->bss_type = MAX_BSS_TYPE;
45890921014SLuciano Coelho
45990921014SLuciano Coelho wl->data_in_count = 0;
46090921014SLuciano Coelho wl->rx_counter = 0;
46190921014SLuciano Coelho wl->rx_handled = 0;
46290921014SLuciano Coelho wl->rx_current_buffer = 0;
46390921014SLuciano Coelho wl->rx_last_id = 0;
46490921014SLuciano Coelho wl->next_tx_complete = 0;
46590921014SLuciano Coelho wl->elp = false;
46690921014SLuciano Coelho wl->station_mode = STATION_ACTIVE_MODE;
467f7ad1eedSDavid Gnedt wl->psm_entry_retry = 0;
46890921014SLuciano Coelho wl->tx_queue_stopped = false;
46990921014SLuciano Coelho wl->power_level = WL1251_DEFAULT_POWER_LEVEL;
47090921014SLuciano Coelho wl->rssi_thold = 0;
47190921014SLuciano Coelho wl->channel = WL1251_DEFAULT_CHANNEL;
4724d09b537SDavid Gnedt wl->monitor_present = false;
473c8909e5aSDavid Gnedt wl->joined = false;
47490921014SLuciano Coelho
47590921014SLuciano Coelho wl1251_debugfs_reset(wl);
47690921014SLuciano Coelho
47790921014SLuciano Coelho mutex_unlock(&wl->mutex);
47890921014SLuciano Coelho }
47990921014SLuciano Coelho
wl1251_op_add_interface(struct ieee80211_hw * hw,struct ieee80211_vif * vif)48090921014SLuciano Coelho static int wl1251_op_add_interface(struct ieee80211_hw *hw,
48190921014SLuciano Coelho struct ieee80211_vif *vif)
48290921014SLuciano Coelho {
48390921014SLuciano Coelho struct wl1251 *wl = hw->priv;
48490921014SLuciano Coelho int ret = 0;
48590921014SLuciano Coelho
48690921014SLuciano Coelho vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER |
487848955ccSJohannes Berg IEEE80211_VIF_SUPPORTS_UAPSD |
48890921014SLuciano Coelho IEEE80211_VIF_SUPPORTS_CQM_RSSI;
48990921014SLuciano Coelho
49090921014SLuciano Coelho wl1251_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %pM",
49190921014SLuciano Coelho vif->type, vif->addr);
49290921014SLuciano Coelho
49390921014SLuciano Coelho mutex_lock(&wl->mutex);
49490921014SLuciano Coelho if (wl->vif) {
49590921014SLuciano Coelho ret = -EBUSY;
49690921014SLuciano Coelho goto out;
49790921014SLuciano Coelho }
49890921014SLuciano Coelho
49990921014SLuciano Coelho wl->vif = vif;
50090921014SLuciano Coelho
50190921014SLuciano Coelho switch (vif->type) {
50290921014SLuciano Coelho case NL80211_IFTYPE_STATION:
50390921014SLuciano Coelho wl->bss_type = BSS_TYPE_STA_BSS;
50490921014SLuciano Coelho break;
50590921014SLuciano Coelho case NL80211_IFTYPE_ADHOC:
50690921014SLuciano Coelho wl->bss_type = BSS_TYPE_IBSS;
50790921014SLuciano Coelho break;
50890921014SLuciano Coelho default:
50990921014SLuciano Coelho ret = -EOPNOTSUPP;
51090921014SLuciano Coelho goto out;
51190921014SLuciano Coelho }
51290921014SLuciano Coelho
513692e5167Sdingtianhong if (!ether_addr_equal_unaligned(wl->mac_addr, vif->addr)) {
51490921014SLuciano Coelho memcpy(wl->mac_addr, vif->addr, ETH_ALEN);
51590921014SLuciano Coelho SET_IEEE80211_PERM_ADDR(wl->hw, wl->mac_addr);
51690921014SLuciano Coelho ret = wl1251_acx_station_id(wl);
51790921014SLuciano Coelho if (ret < 0)
51890921014SLuciano Coelho goto out;
51990921014SLuciano Coelho }
52090921014SLuciano Coelho
52190921014SLuciano Coelho out:
52290921014SLuciano Coelho mutex_unlock(&wl->mutex);
52390921014SLuciano Coelho return ret;
52490921014SLuciano Coelho }
52590921014SLuciano Coelho
wl1251_op_remove_interface(struct ieee80211_hw * hw,struct ieee80211_vif * vif)52690921014SLuciano Coelho static void wl1251_op_remove_interface(struct ieee80211_hw *hw,
52790921014SLuciano Coelho struct ieee80211_vif *vif)
52890921014SLuciano Coelho {
52990921014SLuciano Coelho struct wl1251 *wl = hw->priv;
53090921014SLuciano Coelho
53190921014SLuciano Coelho mutex_lock(&wl->mutex);
53290921014SLuciano Coelho wl1251_debug(DEBUG_MAC80211, "mac80211 remove interface");
53390921014SLuciano Coelho wl->vif = NULL;
53493803b33SJoe Perches eth_zero_addr(wl->bssid);
53590921014SLuciano Coelho mutex_unlock(&wl->mutex);
53690921014SLuciano Coelho }
53790921014SLuciano Coelho
wl1251_build_null_data(struct wl1251 * wl)538a5640612SGrazvydas Ignotas static int wl1251_build_null_data(struct wl1251 *wl)
539a5640612SGrazvydas Ignotas {
540a5640612SGrazvydas Ignotas struct sk_buff *skb = NULL;
541a5640612SGrazvydas Ignotas int size;
542a5640612SGrazvydas Ignotas void *ptr;
543a5640612SGrazvydas Ignotas int ret = -ENOMEM;
544a5640612SGrazvydas Ignotas
545a5640612SGrazvydas Ignotas if (wl->bss_type == BSS_TYPE_IBSS) {
546a5640612SGrazvydas Ignotas size = sizeof(struct wl12xx_null_data_template);
547a5640612SGrazvydas Ignotas ptr = NULL;
548a5640612SGrazvydas Ignotas } else {
5490ab26380SJohannes Berg skb = ieee80211_nullfunc_get(wl->hw, wl->vif, -1, false);
550a5640612SGrazvydas Ignotas if (!skb)
551a5640612SGrazvydas Ignotas goto out;
552a5640612SGrazvydas Ignotas size = skb->len;
553a5640612SGrazvydas Ignotas ptr = skb->data;
554a5640612SGrazvydas Ignotas }
555a5640612SGrazvydas Ignotas
556a5640612SGrazvydas Ignotas ret = wl1251_cmd_template_set(wl, CMD_NULL_DATA, ptr, size);
557a5640612SGrazvydas Ignotas
558a5640612SGrazvydas Ignotas out:
559a5640612SGrazvydas Ignotas dev_kfree_skb(skb);
560a5640612SGrazvydas Ignotas if (ret)
561db8655c6SColin Ian King wl1251_warning("cmd build null data failed: %d", ret);
562a5640612SGrazvydas Ignotas
563a5640612SGrazvydas Ignotas return ret;
564a5640612SGrazvydas Ignotas }
565a5640612SGrazvydas Ignotas
wl1251_build_qos_null_data(struct wl1251 * wl)56690921014SLuciano Coelho static int wl1251_build_qos_null_data(struct wl1251 *wl)
56790921014SLuciano Coelho {
56890921014SLuciano Coelho struct ieee80211_qos_hdr template;
56990921014SLuciano Coelho
57090921014SLuciano Coelho memset(&template, 0, sizeof(template));
57190921014SLuciano Coelho
57290921014SLuciano Coelho memcpy(template.addr1, wl->bssid, ETH_ALEN);
57390921014SLuciano Coelho memcpy(template.addr2, wl->mac_addr, ETH_ALEN);
57490921014SLuciano Coelho memcpy(template.addr3, wl->bssid, ETH_ALEN);
57590921014SLuciano Coelho
57690921014SLuciano Coelho template.frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA |
57790921014SLuciano Coelho IEEE80211_STYPE_QOS_NULLFUNC |
57890921014SLuciano Coelho IEEE80211_FCTL_TODS);
57990921014SLuciano Coelho
58090921014SLuciano Coelho /* FIXME: not sure what priority to use here */
58190921014SLuciano Coelho template.qos_ctrl = cpu_to_le16(0);
58290921014SLuciano Coelho
58390921014SLuciano Coelho return wl1251_cmd_template_set(wl, CMD_QOS_NULL_DATA, &template,
58490921014SLuciano Coelho sizeof(template));
58590921014SLuciano Coelho }
58690921014SLuciano Coelho
wl1251_can_do_pm(struct ieee80211_conf * conf,struct wl1251 * wl)587dd4a560fSDavid Gnedt static bool wl1251_can_do_pm(struct ieee80211_conf *conf, struct wl1251 *wl)
588dd4a560fSDavid Gnedt {
589dd4a560fSDavid Gnedt return (conf->flags & IEEE80211_CONF_PS) && !wl->monitor_present;
590dd4a560fSDavid Gnedt }
591dd4a560fSDavid Gnedt
wl1251_op_config(struct ieee80211_hw * hw,u32 changed)59290921014SLuciano Coelho static int wl1251_op_config(struct ieee80211_hw *hw, u32 changed)
59390921014SLuciano Coelho {
59490921014SLuciano Coelho struct wl1251 *wl = hw->priv;
59590921014SLuciano Coelho struct ieee80211_conf *conf = &hw->conf;
59690921014SLuciano Coelho int channel, ret = 0;
59790921014SLuciano Coelho
598675a0b04SKarl Beldan channel = ieee80211_frequency_to_channel(
599675a0b04SKarl Beldan conf->chandef.chan->center_freq);
60090921014SLuciano Coelho
6014d09b537SDavid Gnedt wl1251_debug(DEBUG_MAC80211,
6024d09b537SDavid Gnedt "mac80211 config ch %d monitor %s psm %s power %d",
60390921014SLuciano Coelho channel,
6044d09b537SDavid Gnedt conf->flags & IEEE80211_CONF_MONITOR ? "on" : "off",
60590921014SLuciano Coelho conf->flags & IEEE80211_CONF_PS ? "on" : "off",
60690921014SLuciano Coelho conf->power_level);
60790921014SLuciano Coelho
60890921014SLuciano Coelho mutex_lock(&wl->mutex);
60990921014SLuciano Coelho
61090921014SLuciano Coelho ret = wl1251_ps_elp_wakeup(wl);
61190921014SLuciano Coelho if (ret < 0)
61290921014SLuciano Coelho goto out;
61390921014SLuciano Coelho
6144d09b537SDavid Gnedt if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
6154d09b537SDavid Gnedt u32 mode;
61690921014SLuciano Coelho
6174d09b537SDavid Gnedt if (conf->flags & IEEE80211_CONF_MONITOR) {
6184d09b537SDavid Gnedt wl->monitor_present = true;
6194d09b537SDavid Gnedt mode = DF_SNIFF_MODE_ENABLE | DF_ENCRYPTION_DISABLE;
6204d09b537SDavid Gnedt } else {
6214d09b537SDavid Gnedt wl->monitor_present = false;
6224d09b537SDavid Gnedt mode = 0;
6234d09b537SDavid Gnedt }
6244d09b537SDavid Gnedt
6254d09b537SDavid Gnedt ret = wl1251_acx_feature_cfg(wl, mode);
62690921014SLuciano Coelho if (ret < 0)
62790921014SLuciano Coelho goto out_sleep;
62890921014SLuciano Coelho }
62990921014SLuciano Coelho
63090921014SLuciano Coelho if (channel != wl->channel) {
63190921014SLuciano Coelho wl->channel = channel;
63290921014SLuciano Coelho
633ed3213c9SDavid Gnedt /*
634ed3213c9SDavid Gnedt * Use ENABLE_RX command for channel switching when no
635ed3213c9SDavid Gnedt * interface is present (monitor mode only).
636ed3213c9SDavid Gnedt * This leaves the tx path disabled in firmware, whereas
637ed3213c9SDavid Gnedt * the usual JOIN command seems to transmit some frames
638ed3213c9SDavid Gnedt * at firmware level.
639ed3213c9SDavid Gnedt */
640ed3213c9SDavid Gnedt if (wl->vif == NULL) {
641c8909e5aSDavid Gnedt wl->joined = false;
642ed3213c9SDavid Gnedt ret = wl1251_cmd_data_path_rx(wl, wl->channel, 1);
643ed3213c9SDavid Gnedt } else {
64490921014SLuciano Coelho ret = wl1251_join(wl, wl->bss_type, wl->channel,
64590921014SLuciano Coelho wl->beacon_int, wl->dtim_period);
646ed3213c9SDavid Gnedt }
64790921014SLuciano Coelho if (ret < 0)
64890921014SLuciano Coelho goto out_sleep;
64990921014SLuciano Coelho }
65090921014SLuciano Coelho
651dd4a560fSDavid Gnedt if (wl1251_can_do_pm(conf, wl) && !wl->psm_requested) {
65290921014SLuciano Coelho wl1251_debug(DEBUG_PSM, "psm enabled");
65390921014SLuciano Coelho
65490921014SLuciano Coelho wl->psm_requested = true;
65590921014SLuciano Coelho
65690921014SLuciano Coelho wl->dtim_period = conf->ps_dtim_period;
65790921014SLuciano Coelho
65890921014SLuciano Coelho ret = wl1251_acx_wr_tbtt_and_dtim(wl, wl->beacon_int,
65990921014SLuciano Coelho wl->dtim_period);
66090921014SLuciano Coelho
66190921014SLuciano Coelho /*
66290921014SLuciano Coelho * mac80211 enables PSM only if we're already associated.
66390921014SLuciano Coelho */
66490921014SLuciano Coelho ret = wl1251_ps_set_mode(wl, STATION_POWER_SAVE_MODE);
66590921014SLuciano Coelho if (ret < 0)
66690921014SLuciano Coelho goto out_sleep;
667dd4a560fSDavid Gnedt } else if (!wl1251_can_do_pm(conf, wl) && wl->psm_requested) {
66890921014SLuciano Coelho wl1251_debug(DEBUG_PSM, "psm disabled");
66990921014SLuciano Coelho
67090921014SLuciano Coelho wl->psm_requested = false;
67190921014SLuciano Coelho
67290921014SLuciano Coelho if (wl->station_mode != STATION_ACTIVE_MODE) {
67390921014SLuciano Coelho ret = wl1251_ps_set_mode(wl, STATION_ACTIVE_MODE);
67490921014SLuciano Coelho if (ret < 0)
67590921014SLuciano Coelho goto out_sleep;
67690921014SLuciano Coelho }
67790921014SLuciano Coelho }
67890921014SLuciano Coelho
679f1e3e051SJohannes Berg if (changed & IEEE80211_CONF_CHANGE_IDLE && !wl->scanning) {
68090921014SLuciano Coelho if (conf->flags & IEEE80211_CONF_IDLE) {
68190921014SLuciano Coelho ret = wl1251_ps_set_mode(wl, STATION_IDLE);
68290921014SLuciano Coelho if (ret < 0)
68390921014SLuciano Coelho goto out_sleep;
68490921014SLuciano Coelho } else {
68590921014SLuciano Coelho ret = wl1251_ps_set_mode(wl, STATION_ACTIVE_MODE);
68690921014SLuciano Coelho if (ret < 0)
68790921014SLuciano Coelho goto out_sleep;
68890921014SLuciano Coelho ret = wl1251_join(wl, wl->bss_type, wl->channel,
68990921014SLuciano Coelho wl->beacon_int, wl->dtim_period);
69090921014SLuciano Coelho if (ret < 0)
69190921014SLuciano Coelho goto out_sleep;
69290921014SLuciano Coelho }
69390921014SLuciano Coelho }
69490921014SLuciano Coelho
69590921014SLuciano Coelho if (conf->power_level != wl->power_level) {
69690921014SLuciano Coelho ret = wl1251_acx_tx_power(wl, conf->power_level);
69790921014SLuciano Coelho if (ret < 0)
69890921014SLuciano Coelho goto out_sleep;
69990921014SLuciano Coelho
70090921014SLuciano Coelho wl->power_level = conf->power_level;
70190921014SLuciano Coelho }
70290921014SLuciano Coelho
70390921014SLuciano Coelho out_sleep:
70490921014SLuciano Coelho wl1251_ps_elp_sleep(wl);
70590921014SLuciano Coelho
70690921014SLuciano Coelho out:
70790921014SLuciano Coelho mutex_unlock(&wl->mutex);
70890921014SLuciano Coelho
70990921014SLuciano Coelho return ret;
71090921014SLuciano Coelho }
71190921014SLuciano Coelho
7129ed74ba0SDavid Gnedt struct wl1251_filter_params {
7139ed74ba0SDavid Gnedt bool enabled;
7149ed74ba0SDavid Gnedt int mc_list_length;
7159ed74ba0SDavid Gnedt u8 mc_list[ACX_MC_ADDRESS_GROUP_MAX][ETH_ALEN];
7169ed74ba0SDavid Gnedt };
7179ed74ba0SDavid Gnedt
wl1251_op_prepare_multicast(struct ieee80211_hw * hw,struct netdev_hw_addr_list * mc_list)7189ed74ba0SDavid Gnedt static u64 wl1251_op_prepare_multicast(struct ieee80211_hw *hw,
7199ed74ba0SDavid Gnedt struct netdev_hw_addr_list *mc_list)
7209ed74ba0SDavid Gnedt {
7219ed74ba0SDavid Gnedt struct wl1251_filter_params *fp;
7229ed74ba0SDavid Gnedt struct netdev_hw_addr *ha;
7239ed74ba0SDavid Gnedt struct wl1251 *wl = hw->priv;
7249ed74ba0SDavid Gnedt
7259ed74ba0SDavid Gnedt if (unlikely(wl->state == WL1251_STATE_OFF))
7269ed74ba0SDavid Gnedt return 0;
7279ed74ba0SDavid Gnedt
7289ed74ba0SDavid Gnedt fp = kzalloc(sizeof(*fp), GFP_ATOMIC);
7299ed74ba0SDavid Gnedt if (!fp) {
7309ed74ba0SDavid Gnedt wl1251_error("Out of memory setting filters.");
7319ed74ba0SDavid Gnedt return 0;
7329ed74ba0SDavid Gnedt }
7339ed74ba0SDavid Gnedt
7349ed74ba0SDavid Gnedt /* update multicast filtering parameters */
7359ed74ba0SDavid Gnedt fp->mc_list_length = 0;
7369ed74ba0SDavid Gnedt if (netdev_hw_addr_list_count(mc_list) > ACX_MC_ADDRESS_GROUP_MAX) {
7379ed74ba0SDavid Gnedt fp->enabled = false;
7389ed74ba0SDavid Gnedt } else {
7399ed74ba0SDavid Gnedt fp->enabled = true;
7409ed74ba0SDavid Gnedt netdev_hw_addr_list_for_each(ha, mc_list) {
7419ed74ba0SDavid Gnedt memcpy(fp->mc_list[fp->mc_list_length],
7429ed74ba0SDavid Gnedt ha->addr, ETH_ALEN);
7439ed74ba0SDavid Gnedt fp->mc_list_length++;
7449ed74ba0SDavid Gnedt }
7459ed74ba0SDavid Gnedt }
7469ed74ba0SDavid Gnedt
7479ed74ba0SDavid Gnedt return (u64)(unsigned long)fp;
7489ed74ba0SDavid Gnedt }
7499ed74ba0SDavid Gnedt
750df140465SJohannes Berg #define WL1251_SUPPORTED_FILTERS (FIF_ALLMULTI | \
75190921014SLuciano Coelho FIF_FCSFAIL | \
75290921014SLuciano Coelho FIF_BCN_PRBRESP_PROMISC | \
75390921014SLuciano Coelho FIF_CONTROL | \
75484b60c14SGrazvydas Ignotas FIF_OTHER_BSS | \
75584b60c14SGrazvydas Ignotas FIF_PROBE_REQ)
75690921014SLuciano Coelho
wl1251_op_configure_filter(struct ieee80211_hw * hw,unsigned int changed,unsigned int * total,u64 multicast)75790921014SLuciano Coelho static void wl1251_op_configure_filter(struct ieee80211_hw *hw,
75890921014SLuciano Coelho unsigned int changed,
75990921014SLuciano Coelho unsigned int *total, u64 multicast)
76090921014SLuciano Coelho {
7619ed74ba0SDavid Gnedt struct wl1251_filter_params *fp = (void *)(unsigned long)multicast;
76290921014SLuciano Coelho struct wl1251 *wl = hw->priv;
76384b60c14SGrazvydas Ignotas int ret;
76490921014SLuciano Coelho
76590921014SLuciano Coelho wl1251_debug(DEBUG_MAC80211, "mac80211 configure filter");
76690921014SLuciano Coelho
76790921014SLuciano Coelho *total &= WL1251_SUPPORTED_FILTERS;
76890921014SLuciano Coelho changed &= WL1251_SUPPORTED_FILTERS;
76990921014SLuciano Coelho
7709ed74ba0SDavid Gnedt if (changed == 0) {
77190921014SLuciano Coelho /* no filters which we support changed */
7729ed74ba0SDavid Gnedt kfree(fp);
77390921014SLuciano Coelho return;
7749ed74ba0SDavid Gnedt }
77590921014SLuciano Coelho
77684b60c14SGrazvydas Ignotas mutex_lock(&wl->mutex);
77790921014SLuciano Coelho
77890921014SLuciano Coelho wl->rx_config = WL1251_DEFAULT_RX_CONFIG;
77990921014SLuciano Coelho wl->rx_filter = WL1251_DEFAULT_RX_FILTER;
78090921014SLuciano Coelho
78190921014SLuciano Coelho if (*total & FIF_ALLMULTI)
78290921014SLuciano Coelho /*
78390921014SLuciano Coelho * CFG_MC_FILTER_EN in rx_config needs to be 0 to receive
78490921014SLuciano Coelho * all multicast frames
78590921014SLuciano Coelho */
78690921014SLuciano Coelho wl->rx_config &= ~CFG_MC_FILTER_EN;
78790921014SLuciano Coelho if (*total & FIF_FCSFAIL)
78890921014SLuciano Coelho wl->rx_filter |= CFG_RX_FCS_ERROR;
78990921014SLuciano Coelho if (*total & FIF_BCN_PRBRESP_PROMISC) {
79090921014SLuciano Coelho wl->rx_config &= ~CFG_BSSID_FILTER_EN;
79190921014SLuciano Coelho wl->rx_config &= ~CFG_SSID_FILTER_EN;
79290921014SLuciano Coelho }
79390921014SLuciano Coelho if (*total & FIF_CONTROL)
79490921014SLuciano Coelho wl->rx_filter |= CFG_RX_CTL_EN;
79584b60c14SGrazvydas Ignotas if (*total & FIF_OTHER_BSS || is_zero_ether_addr(wl->bssid))
79684b60c14SGrazvydas Ignotas wl->rx_config &= ~CFG_BSSID_FILTER_EN;
79784b60c14SGrazvydas Ignotas if (*total & FIF_PROBE_REQ)
79884b60c14SGrazvydas Ignotas wl->rx_filter |= CFG_RX_PREQ_EN;
79984b60c14SGrazvydas Ignotas
80084b60c14SGrazvydas Ignotas if (wl->state == WL1251_STATE_OFF)
80184b60c14SGrazvydas Ignotas goto out;
80284b60c14SGrazvydas Ignotas
80384b60c14SGrazvydas Ignotas ret = wl1251_ps_elp_wakeup(wl);
80484b60c14SGrazvydas Ignotas if (ret < 0)
80584b60c14SGrazvydas Ignotas goto out;
80684b60c14SGrazvydas Ignotas
807df140465SJohannes Berg if (*total & FIF_ALLMULTI)
8089ed74ba0SDavid Gnedt ret = wl1251_acx_group_address_tbl(wl, false, NULL, 0);
8099ed74ba0SDavid Gnedt else if (fp)
8109ed74ba0SDavid Gnedt ret = wl1251_acx_group_address_tbl(wl, fp->enabled,
8119ed74ba0SDavid Gnedt fp->mc_list,
8129ed74ba0SDavid Gnedt fp->mc_list_length);
8139ed74ba0SDavid Gnedt if (ret < 0)
8149ed74ba0SDavid Gnedt goto out;
8159ed74ba0SDavid Gnedt
81684b60c14SGrazvydas Ignotas /* send filters to firmware */
81784b60c14SGrazvydas Ignotas wl1251_acx_rx_config(wl, wl->rx_config, wl->rx_filter);
81884b60c14SGrazvydas Ignotas
81984b60c14SGrazvydas Ignotas wl1251_ps_elp_sleep(wl);
82084b60c14SGrazvydas Ignotas
82184b60c14SGrazvydas Ignotas out:
82284b60c14SGrazvydas Ignotas mutex_unlock(&wl->mutex);
8239ed74ba0SDavid Gnedt kfree(fp);
82490921014SLuciano Coelho }
82590921014SLuciano Coelho
82690921014SLuciano Coelho /* HW encryption */
wl1251_set_key_type(struct wl1251 * wl,struct wl1251_cmd_set_keys * key,enum set_key_cmd cmd,struct ieee80211_key_conf * mac80211_key,const u8 * addr)82790921014SLuciano Coelho static int wl1251_set_key_type(struct wl1251 *wl,
82890921014SLuciano Coelho struct wl1251_cmd_set_keys *key,
82990921014SLuciano Coelho enum set_key_cmd cmd,
83090921014SLuciano Coelho struct ieee80211_key_conf *mac80211_key,
83190921014SLuciano Coelho const u8 *addr)
83290921014SLuciano Coelho {
83390921014SLuciano Coelho switch (mac80211_key->cipher) {
83490921014SLuciano Coelho case WLAN_CIPHER_SUITE_WEP40:
83590921014SLuciano Coelho case WLAN_CIPHER_SUITE_WEP104:
83690921014SLuciano Coelho if (is_broadcast_ether_addr(addr))
83790921014SLuciano Coelho key->key_type = KEY_WEP_DEFAULT;
83890921014SLuciano Coelho else
83990921014SLuciano Coelho key->key_type = KEY_WEP_ADDR;
84090921014SLuciano Coelho
84190921014SLuciano Coelho mac80211_key->hw_key_idx = mac80211_key->keyidx;
84290921014SLuciano Coelho break;
84390921014SLuciano Coelho case WLAN_CIPHER_SUITE_TKIP:
84490921014SLuciano Coelho if (is_broadcast_ether_addr(addr))
84590921014SLuciano Coelho key->key_type = KEY_TKIP_MIC_GROUP;
84690921014SLuciano Coelho else
84790921014SLuciano Coelho key->key_type = KEY_TKIP_MIC_PAIRWISE;
84890921014SLuciano Coelho
84990921014SLuciano Coelho mac80211_key->hw_key_idx = mac80211_key->keyidx;
85090921014SLuciano Coelho break;
85190921014SLuciano Coelho case WLAN_CIPHER_SUITE_CCMP:
85290921014SLuciano Coelho if (is_broadcast_ether_addr(addr))
85390921014SLuciano Coelho key->key_type = KEY_AES_GROUP;
85490921014SLuciano Coelho else
85590921014SLuciano Coelho key->key_type = KEY_AES_PAIRWISE;
85690921014SLuciano Coelho mac80211_key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
85790921014SLuciano Coelho break;
85890921014SLuciano Coelho default:
85990921014SLuciano Coelho wl1251_error("Unknown key cipher 0x%x", mac80211_key->cipher);
86090921014SLuciano Coelho return -EOPNOTSUPP;
86190921014SLuciano Coelho }
86290921014SLuciano Coelho
86390921014SLuciano Coelho return 0;
86490921014SLuciano Coelho }
86590921014SLuciano Coelho
wl1251_op_set_key(struct ieee80211_hw * hw,enum set_key_cmd cmd,struct ieee80211_vif * vif,struct ieee80211_sta * sta,struct ieee80211_key_conf * key)86690921014SLuciano Coelho static int wl1251_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
86790921014SLuciano Coelho struct ieee80211_vif *vif,
86890921014SLuciano Coelho struct ieee80211_sta *sta,
86990921014SLuciano Coelho struct ieee80211_key_conf *key)
87090921014SLuciano Coelho {
87190921014SLuciano Coelho struct wl1251 *wl = hw->priv;
87290921014SLuciano Coelho struct wl1251_cmd_set_keys *wl_cmd;
87390921014SLuciano Coelho const u8 *addr;
87490921014SLuciano Coelho int ret;
87590921014SLuciano Coelho
87690921014SLuciano Coelho static const u8 bcast_addr[ETH_ALEN] =
87790921014SLuciano Coelho { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
87890921014SLuciano Coelho
87990921014SLuciano Coelho wl1251_debug(DEBUG_MAC80211, "mac80211 set key");
88090921014SLuciano Coelho
88190921014SLuciano Coelho wl_cmd = kzalloc(sizeof(*wl_cmd), GFP_KERNEL);
88290921014SLuciano Coelho if (!wl_cmd) {
88390921014SLuciano Coelho ret = -ENOMEM;
88490921014SLuciano Coelho goto out;
88590921014SLuciano Coelho }
88690921014SLuciano Coelho
88790921014SLuciano Coelho addr = sta ? sta->addr : bcast_addr;
88890921014SLuciano Coelho
88990921014SLuciano Coelho wl1251_debug(DEBUG_CRYPT, "CMD: 0x%x", cmd);
89090921014SLuciano Coelho wl1251_dump(DEBUG_CRYPT, "ADDR: ", addr, ETH_ALEN);
89190921014SLuciano Coelho wl1251_debug(DEBUG_CRYPT, "Key: algo:0x%x, id:%d, len:%d flags 0x%x",
89290921014SLuciano Coelho key->cipher, key->keyidx, key->keylen, key->flags);
89390921014SLuciano Coelho wl1251_dump(DEBUG_CRYPT, "KEY: ", key->key, key->keylen);
89490921014SLuciano Coelho
89590921014SLuciano Coelho if (is_zero_ether_addr(addr)) {
89690921014SLuciano Coelho /* We dont support TX only encryption */
89790921014SLuciano Coelho ret = -EOPNOTSUPP;
89890921014SLuciano Coelho goto out;
89990921014SLuciano Coelho }
90090921014SLuciano Coelho
90190921014SLuciano Coelho mutex_lock(&wl->mutex);
90290921014SLuciano Coelho
90390921014SLuciano Coelho switch (cmd) {
90490921014SLuciano Coelho case SET_KEY:
9054d09b537SDavid Gnedt if (wl->monitor_present) {
9064d09b537SDavid Gnedt ret = -EOPNOTSUPP;
9074d09b537SDavid Gnedt goto out_unlock;
9084d09b537SDavid Gnedt }
90990921014SLuciano Coelho wl_cmd->key_action = KEY_ADD_OR_REPLACE;
91090921014SLuciano Coelho break;
91190921014SLuciano Coelho case DISABLE_KEY:
91290921014SLuciano Coelho wl_cmd->key_action = KEY_REMOVE;
91390921014SLuciano Coelho break;
91490921014SLuciano Coelho default:
91590921014SLuciano Coelho wl1251_error("Unsupported key cmd 0x%x", cmd);
91690921014SLuciano Coelho break;
91790921014SLuciano Coelho }
91890921014SLuciano Coelho
9194d09b537SDavid Gnedt ret = wl1251_ps_elp_wakeup(wl);
9204d09b537SDavid Gnedt if (ret < 0)
9214d09b537SDavid Gnedt goto out_unlock;
9224d09b537SDavid Gnedt
92390921014SLuciano Coelho ret = wl1251_set_key_type(wl, wl_cmd, cmd, key, addr);
92490921014SLuciano Coelho if (ret < 0) {
92590921014SLuciano Coelho wl1251_error("Set KEY type failed");
92690921014SLuciano Coelho goto out_sleep;
92790921014SLuciano Coelho }
92890921014SLuciano Coelho
92990921014SLuciano Coelho if (wl_cmd->key_type != KEY_WEP_DEFAULT)
93090921014SLuciano Coelho memcpy(wl_cmd->addr, addr, ETH_ALEN);
93190921014SLuciano Coelho
93290921014SLuciano Coelho if ((wl_cmd->key_type == KEY_TKIP_MIC_GROUP) ||
93390921014SLuciano Coelho (wl_cmd->key_type == KEY_TKIP_MIC_PAIRWISE)) {
93490921014SLuciano Coelho /*
93590921014SLuciano Coelho * We get the key in the following form:
93690921014SLuciano Coelho * TKIP (16 bytes) - TX MIC (8 bytes) - RX MIC (8 bytes)
93790921014SLuciano Coelho * but the target is expecting:
93890921014SLuciano Coelho * TKIP - RX MIC - TX MIC
93990921014SLuciano Coelho */
94090921014SLuciano Coelho memcpy(wl_cmd->key, key->key, 16);
94190921014SLuciano Coelho memcpy(wl_cmd->key + 16, key->key + 24, 8);
94290921014SLuciano Coelho memcpy(wl_cmd->key + 24, key->key + 16, 8);
94390921014SLuciano Coelho
94490921014SLuciano Coelho } else {
94590921014SLuciano Coelho memcpy(wl_cmd->key, key->key, key->keylen);
94690921014SLuciano Coelho }
94790921014SLuciano Coelho wl_cmd->key_size = key->keylen;
94890921014SLuciano Coelho
94990921014SLuciano Coelho wl_cmd->id = key->keyidx;
95090921014SLuciano Coelho wl_cmd->ssid_profile = 0;
95190921014SLuciano Coelho
95290921014SLuciano Coelho wl1251_dump(DEBUG_CRYPT, "TARGET KEY: ", wl_cmd, sizeof(*wl_cmd));
95390921014SLuciano Coelho
95490921014SLuciano Coelho ret = wl1251_cmd_send(wl, CMD_SET_KEYS, wl_cmd, sizeof(*wl_cmd));
95590921014SLuciano Coelho if (ret < 0) {
95690921014SLuciano Coelho wl1251_warning("could not set keys");
95790921014SLuciano Coelho goto out_sleep;
95890921014SLuciano Coelho }
95990921014SLuciano Coelho
96090921014SLuciano Coelho out_sleep:
96190921014SLuciano Coelho wl1251_ps_elp_sleep(wl);
96290921014SLuciano Coelho
96390921014SLuciano Coelho out_unlock:
96490921014SLuciano Coelho mutex_unlock(&wl->mutex);
96590921014SLuciano Coelho
96690921014SLuciano Coelho out:
96790921014SLuciano Coelho kfree(wl_cmd);
96890921014SLuciano Coelho
96990921014SLuciano Coelho return ret;
97090921014SLuciano Coelho }
97190921014SLuciano Coelho
wl1251_op_hw_scan(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_scan_request * hw_req)97290921014SLuciano Coelho static int wl1251_op_hw_scan(struct ieee80211_hw *hw,
97390921014SLuciano Coelho struct ieee80211_vif *vif,
974c56ef672SDavid Spinadel struct ieee80211_scan_request *hw_req)
97590921014SLuciano Coelho {
976c56ef672SDavid Spinadel struct cfg80211_scan_request *req = &hw_req->req;
97790921014SLuciano Coelho struct wl1251 *wl = hw->priv;
97890921014SLuciano Coelho struct sk_buff *skb;
97990921014SLuciano Coelho size_t ssid_len = 0;
98090921014SLuciano Coelho u8 *ssid = NULL;
98190921014SLuciano Coelho int ret;
98290921014SLuciano Coelho
98390921014SLuciano Coelho wl1251_debug(DEBUG_MAC80211, "mac80211 hw scan");
98490921014SLuciano Coelho
98590921014SLuciano Coelho if (req->n_ssids) {
98690921014SLuciano Coelho ssid = req->ssids[0].ssid;
98790921014SLuciano Coelho ssid_len = req->ssids[0].ssid_len;
98890921014SLuciano Coelho }
98990921014SLuciano Coelho
99090921014SLuciano Coelho mutex_lock(&wl->mutex);
99190921014SLuciano Coelho
99290921014SLuciano Coelho if (wl->scanning) {
99390921014SLuciano Coelho wl1251_debug(DEBUG_SCAN, "scan already in progress");
99490921014SLuciano Coelho ret = -EINVAL;
99590921014SLuciano Coelho goto out;
99690921014SLuciano Coelho }
99790921014SLuciano Coelho
99890921014SLuciano Coelho ret = wl1251_ps_elp_wakeup(wl);
99990921014SLuciano Coelho if (ret < 0)
100090921014SLuciano Coelho goto out;
100190921014SLuciano Coelho
1002f1e3e051SJohannes Berg if (hw->conf.flags & IEEE80211_CONF_IDLE) {
1003f1e3e051SJohannes Berg ret = wl1251_ps_set_mode(wl, STATION_ACTIVE_MODE);
1004f1e3e051SJohannes Berg if (ret < 0)
1005f1e3e051SJohannes Berg goto out_sleep;
1006f1e3e051SJohannes Berg ret = wl1251_join(wl, wl->bss_type, wl->channel,
1007f1e3e051SJohannes Berg wl->beacon_int, wl->dtim_period);
1008f1e3e051SJohannes Berg if (ret < 0)
1009f1e3e051SJohannes Berg goto out_sleep;
1010f1e3e051SJohannes Berg }
1011f1e3e051SJohannes Berg
1012a344d677SJohannes Berg skb = ieee80211_probereq_get(wl->hw, wl->vif->addr, ssid, ssid_len,
1013b9a9ada1SJohannes Berg req->ie_len);
101490921014SLuciano Coelho if (!skb) {
101590921014SLuciano Coelho ret = -ENOMEM;
1016f1e3e051SJohannes Berg goto out_idle;
101790921014SLuciano Coelho }
1018b9a9ada1SJohannes Berg if (req->ie_len)
101959ae1d12SJohannes Berg skb_put_data(skb, req->ie, req->ie_len);
102090921014SLuciano Coelho
102190921014SLuciano Coelho ret = wl1251_cmd_template_set(wl, CMD_PROBE_REQ, skb->data,
102290921014SLuciano Coelho skb->len);
102390921014SLuciano Coelho dev_kfree_skb(skb);
102490921014SLuciano Coelho if (ret < 0)
1025f1e3e051SJohannes Berg goto out_idle;
102690921014SLuciano Coelho
102790921014SLuciano Coelho ret = wl1251_cmd_trigger_scan_to(wl, 0);
102890921014SLuciano Coelho if (ret < 0)
1029f1e3e051SJohannes Berg goto out_idle;
103090921014SLuciano Coelho
103190921014SLuciano Coelho wl->scanning = true;
103290921014SLuciano Coelho
103390921014SLuciano Coelho ret = wl1251_cmd_scan(wl, ssid, ssid_len, req->channels,
103490921014SLuciano Coelho req->n_channels, WL1251_SCAN_NUM_PROBES);
103590921014SLuciano Coelho if (ret < 0) {
103664322e28SDavid Gnedt wl1251_debug(DEBUG_SCAN, "scan failed %d", ret);
103790921014SLuciano Coelho wl->scanning = false;
1038f1e3e051SJohannes Berg goto out_idle;
103990921014SLuciano Coelho }
1040f1e3e051SJohannes Berg goto out_sleep;
104190921014SLuciano Coelho
1042f1e3e051SJohannes Berg out_idle:
1043f1e3e051SJohannes Berg if (hw->conf.flags & IEEE80211_CONF_IDLE)
1044f1e3e051SJohannes Berg ret = wl1251_ps_set_mode(wl, STATION_IDLE);
104590921014SLuciano Coelho out_sleep:
104690921014SLuciano Coelho wl1251_ps_elp_sleep(wl);
104790921014SLuciano Coelho
104890921014SLuciano Coelho out:
104990921014SLuciano Coelho mutex_unlock(&wl->mutex);
105090921014SLuciano Coelho
105190921014SLuciano Coelho return ret;
105290921014SLuciano Coelho }
105390921014SLuciano Coelho
wl1251_op_set_rts_threshold(struct ieee80211_hw * hw,u32 value)105490921014SLuciano Coelho static int wl1251_op_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
105590921014SLuciano Coelho {
105690921014SLuciano Coelho struct wl1251 *wl = hw->priv;
105790921014SLuciano Coelho int ret;
105890921014SLuciano Coelho
105990921014SLuciano Coelho mutex_lock(&wl->mutex);
106090921014SLuciano Coelho
106190921014SLuciano Coelho ret = wl1251_ps_elp_wakeup(wl);
106290921014SLuciano Coelho if (ret < 0)
106390921014SLuciano Coelho goto out;
106490921014SLuciano Coelho
106590921014SLuciano Coelho ret = wl1251_acx_rts_threshold(wl, (u16) value);
106690921014SLuciano Coelho if (ret < 0)
106790921014SLuciano Coelho wl1251_warning("wl1251_op_set_rts_threshold failed: %d", ret);
106890921014SLuciano Coelho
106990921014SLuciano Coelho wl1251_ps_elp_sleep(wl);
107090921014SLuciano Coelho
107190921014SLuciano Coelho out:
107290921014SLuciano Coelho mutex_unlock(&wl->mutex);
107390921014SLuciano Coelho
107490921014SLuciano Coelho return ret;
107590921014SLuciano Coelho }
107690921014SLuciano Coelho
wl1251_op_bss_info_changed(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_bss_conf * bss_conf,u64 changed)107790921014SLuciano Coelho static void wl1251_op_bss_info_changed(struct ieee80211_hw *hw,
107890921014SLuciano Coelho struct ieee80211_vif *vif,
107990921014SLuciano Coelho struct ieee80211_bss_conf *bss_conf,
10807b7090b4SJohannes Berg u64 changed)
108190921014SLuciano Coelho {
108290921014SLuciano Coelho struct wl1251 *wl = hw->priv;
108390921014SLuciano Coelho struct sk_buff *beacon, *skb;
1084204cc5c4SDavid Gnedt bool enable;
108590921014SLuciano Coelho int ret;
108690921014SLuciano Coelho
108790921014SLuciano Coelho wl1251_debug(DEBUG_MAC80211, "mac80211 bss info changed");
108890921014SLuciano Coelho
108990921014SLuciano Coelho mutex_lock(&wl->mutex);
109090921014SLuciano Coelho
109190921014SLuciano Coelho ret = wl1251_ps_elp_wakeup(wl);
109290921014SLuciano Coelho if (ret < 0)
109390921014SLuciano Coelho goto out;
109490921014SLuciano Coelho
109590921014SLuciano Coelho if (changed & BSS_CHANGED_CQM) {
109690921014SLuciano Coelho ret = wl1251_acx_low_rssi(wl, bss_conf->cqm_rssi_thold,
109790921014SLuciano Coelho WL1251_DEFAULT_LOW_RSSI_WEIGHT,
109890921014SLuciano Coelho WL1251_DEFAULT_LOW_RSSI_DEPTH,
109990921014SLuciano Coelho WL1251_ACX_LOW_RSSI_TYPE_EDGE);
110090921014SLuciano Coelho if (ret < 0)
110190921014SLuciano Coelho goto out;
110290921014SLuciano Coelho wl->rssi_thold = bss_conf->cqm_rssi_thold;
110390921014SLuciano Coelho }
110490921014SLuciano Coelho
1105a5640612SGrazvydas Ignotas if ((changed & BSS_CHANGED_BSSID) &&
1106a5640612SGrazvydas Ignotas memcmp(wl->bssid, bss_conf->bssid, ETH_ALEN)) {
110790921014SLuciano Coelho memcpy(wl->bssid, bss_conf->bssid, ETH_ALEN);
110890921014SLuciano Coelho
1109a5640612SGrazvydas Ignotas if (!is_zero_ether_addr(wl->bssid)) {
1110a5640612SGrazvydas Ignotas ret = wl1251_build_null_data(wl);
111190921014SLuciano Coelho if (ret < 0)
111290921014SLuciano Coelho goto out_sleep;
111390921014SLuciano Coelho
111490921014SLuciano Coelho ret = wl1251_build_qos_null_data(wl);
111590921014SLuciano Coelho if (ret < 0)
1116a5640612SGrazvydas Ignotas goto out_sleep;
111790921014SLuciano Coelho
111890921014SLuciano Coelho ret = wl1251_join(wl, wl->bss_type, wl->channel,
111990921014SLuciano Coelho wl->beacon_int, wl->dtim_period);
112090921014SLuciano Coelho if (ret < 0)
112190921014SLuciano Coelho goto out_sleep;
112290921014SLuciano Coelho }
112390921014SLuciano Coelho }
112490921014SLuciano Coelho
112590921014SLuciano Coelho if (changed & BSS_CHANGED_ASSOC) {
1126f276e20bSJohannes Berg if (vif->cfg.assoc) {
112790921014SLuciano Coelho wl->beacon_int = bss_conf->beacon_int;
112890921014SLuciano Coelho
112990921014SLuciano Coelho skb = ieee80211_pspoll_get(wl->hw, wl->vif);
113090921014SLuciano Coelho if (!skb)
113190921014SLuciano Coelho goto out_sleep;
113290921014SLuciano Coelho
113390921014SLuciano Coelho ret = wl1251_cmd_template_set(wl, CMD_PS_POLL,
113490921014SLuciano Coelho skb->data,
113590921014SLuciano Coelho skb->len);
113690921014SLuciano Coelho dev_kfree_skb(skb);
113790921014SLuciano Coelho if (ret < 0)
113890921014SLuciano Coelho goto out_sleep;
113990921014SLuciano Coelho
1140f276e20bSJohannes Berg ret = wl1251_acx_aid(wl, vif->cfg.aid);
114190921014SLuciano Coelho if (ret < 0)
114290921014SLuciano Coelho goto out_sleep;
114390921014SLuciano Coelho } else {
114490921014SLuciano Coelho /* use defaults when not associated */
114590921014SLuciano Coelho wl->beacon_int = WL1251_DEFAULT_BEACON_INT;
114690921014SLuciano Coelho wl->dtim_period = WL1251_DEFAULT_DTIM_PERIOD;
114790921014SLuciano Coelho }
114890921014SLuciano Coelho }
114990921014SLuciano Coelho if (changed & BSS_CHANGED_ERP_SLOT) {
115090921014SLuciano Coelho if (bss_conf->use_short_slot)
115190921014SLuciano Coelho ret = wl1251_acx_slot(wl, SLOT_TIME_SHORT);
115290921014SLuciano Coelho else
115390921014SLuciano Coelho ret = wl1251_acx_slot(wl, SLOT_TIME_LONG);
115490921014SLuciano Coelho if (ret < 0) {
115590921014SLuciano Coelho wl1251_warning("Set slot time failed %d", ret);
115690921014SLuciano Coelho goto out_sleep;
115790921014SLuciano Coelho }
115890921014SLuciano Coelho }
115990921014SLuciano Coelho
116090921014SLuciano Coelho if (changed & BSS_CHANGED_ERP_PREAMBLE) {
116190921014SLuciano Coelho if (bss_conf->use_short_preamble)
116290921014SLuciano Coelho wl1251_acx_set_preamble(wl, ACX_PREAMBLE_SHORT);
116390921014SLuciano Coelho else
116490921014SLuciano Coelho wl1251_acx_set_preamble(wl, ACX_PREAMBLE_LONG);
116590921014SLuciano Coelho }
116690921014SLuciano Coelho
116790921014SLuciano Coelho if (changed & BSS_CHANGED_ERP_CTS_PROT) {
116890921014SLuciano Coelho if (bss_conf->use_cts_prot)
116990921014SLuciano Coelho ret = wl1251_acx_cts_protect(wl, CTSPROTECT_ENABLE);
117090921014SLuciano Coelho else
117190921014SLuciano Coelho ret = wl1251_acx_cts_protect(wl, CTSPROTECT_DISABLE);
117290921014SLuciano Coelho if (ret < 0) {
117390921014SLuciano Coelho wl1251_warning("Set ctsprotect failed %d", ret);
117490921014SLuciano Coelho goto out_sleep;
117590921014SLuciano Coelho }
117690921014SLuciano Coelho }
117790921014SLuciano Coelho
1178204cc5c4SDavid Gnedt if (changed & BSS_CHANGED_ARP_FILTER) {
1179f276e20bSJohannes Berg __be32 addr = vif->cfg.arp_addr_list[0];
1180204cc5c4SDavid Gnedt WARN_ON(wl->bss_type != BSS_TYPE_STA_BSS);
1181204cc5c4SDavid Gnedt
1182f276e20bSJohannes Berg enable = vif->cfg.arp_addr_cnt == 1 && vif->cfg.assoc;
1183ac1181c6SColin Ian King ret = wl1251_acx_arp_ip_filter(wl, enable, addr);
1184204cc5c4SDavid Gnedt if (ret < 0)
1185204cc5c4SDavid Gnedt goto out_sleep;
1186204cc5c4SDavid Gnedt }
1187204cc5c4SDavid Gnedt
118890921014SLuciano Coelho if (changed & BSS_CHANGED_BEACON) {
11896e8912a5SShaul Triebitz beacon = ieee80211_beacon_get(hw, vif, 0);
119090921014SLuciano Coelho if (!beacon)
119190921014SLuciano Coelho goto out_sleep;
119290921014SLuciano Coelho
119390921014SLuciano Coelho ret = wl1251_cmd_template_set(wl, CMD_BEACON, beacon->data,
119490921014SLuciano Coelho beacon->len);
119590921014SLuciano Coelho
119690921014SLuciano Coelho if (ret < 0) {
119790921014SLuciano Coelho dev_kfree_skb(beacon);
119890921014SLuciano Coelho goto out_sleep;
119990921014SLuciano Coelho }
120090921014SLuciano Coelho
120190921014SLuciano Coelho ret = wl1251_cmd_template_set(wl, CMD_PROBE_RESP, beacon->data,
120290921014SLuciano Coelho beacon->len);
120390921014SLuciano Coelho
120490921014SLuciano Coelho dev_kfree_skb(beacon);
120590921014SLuciano Coelho
120690921014SLuciano Coelho if (ret < 0)
120790921014SLuciano Coelho goto out_sleep;
120890921014SLuciano Coelho
1209863bdbc9SGrazvydas Ignotas ret = wl1251_join(wl, wl->bss_type, wl->channel,
1210863bdbc9SGrazvydas Ignotas wl->beacon_int, wl->dtim_period);
121190921014SLuciano Coelho
121290921014SLuciano Coelho if (ret < 0)
121390921014SLuciano Coelho goto out_sleep;
121490921014SLuciano Coelho }
121590921014SLuciano Coelho
121690921014SLuciano Coelho out_sleep:
121790921014SLuciano Coelho wl1251_ps_elp_sleep(wl);
121890921014SLuciano Coelho
121990921014SLuciano Coelho out:
122090921014SLuciano Coelho mutex_unlock(&wl->mutex);
122190921014SLuciano Coelho }
122290921014SLuciano Coelho
122390921014SLuciano Coelho
122490921014SLuciano Coelho /* can't be const, mac80211 writes to this */
122590921014SLuciano Coelho static struct ieee80211_rate wl1251_rates[] = {
122690921014SLuciano Coelho { .bitrate = 10,
122790921014SLuciano Coelho .hw_value = 0x1,
122890921014SLuciano Coelho .hw_value_short = 0x1, },
122990921014SLuciano Coelho { .bitrate = 20,
123090921014SLuciano Coelho .hw_value = 0x2,
123190921014SLuciano Coelho .hw_value_short = 0x2,
123290921014SLuciano Coelho .flags = IEEE80211_RATE_SHORT_PREAMBLE },
123390921014SLuciano Coelho { .bitrate = 55,
123490921014SLuciano Coelho .hw_value = 0x4,
123590921014SLuciano Coelho .hw_value_short = 0x4,
123690921014SLuciano Coelho .flags = IEEE80211_RATE_SHORT_PREAMBLE },
123790921014SLuciano Coelho { .bitrate = 110,
123890921014SLuciano Coelho .hw_value = 0x20,
123990921014SLuciano Coelho .hw_value_short = 0x20,
124090921014SLuciano Coelho .flags = IEEE80211_RATE_SHORT_PREAMBLE },
124190921014SLuciano Coelho { .bitrate = 60,
124290921014SLuciano Coelho .hw_value = 0x8,
124390921014SLuciano Coelho .hw_value_short = 0x8, },
124490921014SLuciano Coelho { .bitrate = 90,
124590921014SLuciano Coelho .hw_value = 0x10,
124690921014SLuciano Coelho .hw_value_short = 0x10, },
124790921014SLuciano Coelho { .bitrate = 120,
124890921014SLuciano Coelho .hw_value = 0x40,
124990921014SLuciano Coelho .hw_value_short = 0x40, },
125090921014SLuciano Coelho { .bitrate = 180,
125190921014SLuciano Coelho .hw_value = 0x80,
125290921014SLuciano Coelho .hw_value_short = 0x80, },
125390921014SLuciano Coelho { .bitrate = 240,
125490921014SLuciano Coelho .hw_value = 0x200,
125590921014SLuciano Coelho .hw_value_short = 0x200, },
125690921014SLuciano Coelho { .bitrate = 360,
125790921014SLuciano Coelho .hw_value = 0x400,
125890921014SLuciano Coelho .hw_value_short = 0x400, },
125990921014SLuciano Coelho { .bitrate = 480,
126090921014SLuciano Coelho .hw_value = 0x800,
126190921014SLuciano Coelho .hw_value_short = 0x800, },
126290921014SLuciano Coelho { .bitrate = 540,
126390921014SLuciano Coelho .hw_value = 0x1000,
126490921014SLuciano Coelho .hw_value_short = 0x1000, },
126590921014SLuciano Coelho };
126690921014SLuciano Coelho
126790921014SLuciano Coelho /* can't be const, mac80211 writes to this */
126890921014SLuciano Coelho static struct ieee80211_channel wl1251_channels[] = {
126990921014SLuciano Coelho { .hw_value = 1, .center_freq = 2412},
127090921014SLuciano Coelho { .hw_value = 2, .center_freq = 2417},
127190921014SLuciano Coelho { .hw_value = 3, .center_freq = 2422},
127290921014SLuciano Coelho { .hw_value = 4, .center_freq = 2427},
127390921014SLuciano Coelho { .hw_value = 5, .center_freq = 2432},
127490921014SLuciano Coelho { .hw_value = 6, .center_freq = 2437},
127590921014SLuciano Coelho { .hw_value = 7, .center_freq = 2442},
127690921014SLuciano Coelho { .hw_value = 8, .center_freq = 2447},
127790921014SLuciano Coelho { .hw_value = 9, .center_freq = 2452},
127890921014SLuciano Coelho { .hw_value = 10, .center_freq = 2457},
127990921014SLuciano Coelho { .hw_value = 11, .center_freq = 2462},
128090921014SLuciano Coelho { .hw_value = 12, .center_freq = 2467},
128190921014SLuciano Coelho { .hw_value = 13, .center_freq = 2472},
128290921014SLuciano Coelho };
128390921014SLuciano Coelho
wl1251_op_conf_tx(struct ieee80211_hw * hw,struct ieee80211_vif * vif,unsigned int link_id,u16 queue,const struct ieee80211_tx_queue_params * params)128490921014SLuciano Coelho static int wl1251_op_conf_tx(struct ieee80211_hw *hw,
1285b3e2130bSJohannes Berg struct ieee80211_vif *vif,
1286b3e2130bSJohannes Berg unsigned int link_id, u16 queue,
128790921014SLuciano Coelho const struct ieee80211_tx_queue_params *params)
128890921014SLuciano Coelho {
128990921014SLuciano Coelho enum wl1251_acx_ps_scheme ps_scheme;
129090921014SLuciano Coelho struct wl1251 *wl = hw->priv;
129190921014SLuciano Coelho int ret;
129290921014SLuciano Coelho
129390921014SLuciano Coelho mutex_lock(&wl->mutex);
129490921014SLuciano Coelho
129590921014SLuciano Coelho wl1251_debug(DEBUG_MAC80211, "mac80211 conf tx %d", queue);
129690921014SLuciano Coelho
129790921014SLuciano Coelho ret = wl1251_ps_elp_wakeup(wl);
129890921014SLuciano Coelho if (ret < 0)
129990921014SLuciano Coelho goto out;
130090921014SLuciano Coelho
130190921014SLuciano Coelho /* mac80211 uses units of 32 usec */
130290921014SLuciano Coelho ret = wl1251_acx_ac_cfg(wl, wl1251_tx_get_queue(queue),
130390921014SLuciano Coelho params->cw_min, params->cw_max,
130490921014SLuciano Coelho params->aifs, params->txop * 32);
130590921014SLuciano Coelho if (ret < 0)
130690921014SLuciano Coelho goto out_sleep;
130790921014SLuciano Coelho
130890921014SLuciano Coelho if (params->uapsd)
130990921014SLuciano Coelho ps_scheme = WL1251_ACX_PS_SCHEME_UPSD_TRIGGER;
131090921014SLuciano Coelho else
131190921014SLuciano Coelho ps_scheme = WL1251_ACX_PS_SCHEME_LEGACY;
131290921014SLuciano Coelho
131390921014SLuciano Coelho ret = wl1251_acx_tid_cfg(wl, wl1251_tx_get_queue(queue),
131490921014SLuciano Coelho CHANNEL_TYPE_EDCF,
131590921014SLuciano Coelho wl1251_tx_get_queue(queue), ps_scheme,
131690921014SLuciano Coelho WL1251_ACX_ACK_POLICY_LEGACY);
131790921014SLuciano Coelho if (ret < 0)
131890921014SLuciano Coelho goto out_sleep;
131990921014SLuciano Coelho
132090921014SLuciano Coelho out_sleep:
132190921014SLuciano Coelho wl1251_ps_elp_sleep(wl);
132290921014SLuciano Coelho
132390921014SLuciano Coelho out:
132490921014SLuciano Coelho mutex_unlock(&wl->mutex);
132590921014SLuciano Coelho
132690921014SLuciano Coelho return ret;
132790921014SLuciano Coelho }
132890921014SLuciano Coelho
wl1251_op_get_survey(struct ieee80211_hw * hw,int idx,struct survey_info * survey)132990921014SLuciano Coelho static int wl1251_op_get_survey(struct ieee80211_hw *hw, int idx,
133090921014SLuciano Coelho struct survey_info *survey)
133190921014SLuciano Coelho {
133290921014SLuciano Coelho struct wl1251 *wl = hw->priv;
133390921014SLuciano Coelho struct ieee80211_conf *conf = &hw->conf;
133490921014SLuciano Coelho
133590921014SLuciano Coelho if (idx != 0)
133690921014SLuciano Coelho return -ENOENT;
133790921014SLuciano Coelho
1338675a0b04SKarl Beldan survey->channel = conf->chandef.chan;
133990921014SLuciano Coelho survey->filled = SURVEY_INFO_NOISE_DBM;
134090921014SLuciano Coelho survey->noise = wl->noise;
134190921014SLuciano Coelho
134290921014SLuciano Coelho return 0;
134390921014SLuciano Coelho }
134490921014SLuciano Coelho
134590921014SLuciano Coelho /* can't be const, mac80211 writes to this */
134690921014SLuciano Coelho static struct ieee80211_supported_band wl1251_band_2ghz = {
134790921014SLuciano Coelho .channels = wl1251_channels,
134890921014SLuciano Coelho .n_channels = ARRAY_SIZE(wl1251_channels),
134990921014SLuciano Coelho .bitrates = wl1251_rates,
135090921014SLuciano Coelho .n_bitrates = ARRAY_SIZE(wl1251_rates),
135190921014SLuciano Coelho };
135290921014SLuciano Coelho
135390921014SLuciano Coelho static const struct ieee80211_ops wl1251_ops = {
135490921014SLuciano Coelho .start = wl1251_op_start,
135590921014SLuciano Coelho .stop = wl1251_op_stop,
135690921014SLuciano Coelho .add_interface = wl1251_op_add_interface,
135790921014SLuciano Coelho .remove_interface = wl1251_op_remove_interface,
135890921014SLuciano Coelho .config = wl1251_op_config,
13599ed74ba0SDavid Gnedt .prepare_multicast = wl1251_op_prepare_multicast,
136090921014SLuciano Coelho .configure_filter = wl1251_op_configure_filter,
136190921014SLuciano Coelho .tx = wl1251_op_tx,
1362*a790cc3aSAlexander Wetzel .wake_tx_queue = ieee80211_handle_wake_tx_queue,
136390921014SLuciano Coelho .set_key = wl1251_op_set_key,
136490921014SLuciano Coelho .hw_scan = wl1251_op_hw_scan,
136590921014SLuciano Coelho .bss_info_changed = wl1251_op_bss_info_changed,
136690921014SLuciano Coelho .set_rts_threshold = wl1251_op_set_rts_threshold,
136790921014SLuciano Coelho .conf_tx = wl1251_op_conf_tx,
136890921014SLuciano Coelho .get_survey = wl1251_op_get_survey,
136990921014SLuciano Coelho };
137090921014SLuciano Coelho
wl1251_read_eeprom_byte(struct wl1251 * wl,off_t offset,u8 * data)137190921014SLuciano Coelho static int wl1251_read_eeprom_byte(struct wl1251 *wl, off_t offset, u8 *data)
137290921014SLuciano Coelho {
137390921014SLuciano Coelho unsigned long timeout;
137490921014SLuciano Coelho
137590921014SLuciano Coelho wl1251_reg_write32(wl, EE_ADDR, offset);
137690921014SLuciano Coelho wl1251_reg_write32(wl, EE_CTL, EE_CTL_READ);
137790921014SLuciano Coelho
137890921014SLuciano Coelho /* EE_CTL_READ clears when data is ready */
137990921014SLuciano Coelho timeout = jiffies + msecs_to_jiffies(100);
138090921014SLuciano Coelho while (1) {
138190921014SLuciano Coelho if (!(wl1251_reg_read32(wl, EE_CTL) & EE_CTL_READ))
138290921014SLuciano Coelho break;
138390921014SLuciano Coelho
138490921014SLuciano Coelho if (time_after(jiffies, timeout))
138590921014SLuciano Coelho return -ETIMEDOUT;
138690921014SLuciano Coelho
138790921014SLuciano Coelho msleep(1);
138890921014SLuciano Coelho }
138990921014SLuciano Coelho
139090921014SLuciano Coelho *data = wl1251_reg_read32(wl, EE_DATA);
139190921014SLuciano Coelho return 0;
139290921014SLuciano Coelho }
139390921014SLuciano Coelho
wl1251_read_eeprom(struct wl1251 * wl,off_t offset,u8 * data,size_t len)139490921014SLuciano Coelho static int wl1251_read_eeprom(struct wl1251 *wl, off_t offset,
139590921014SLuciano Coelho u8 *data, size_t len)
139690921014SLuciano Coelho {
139790921014SLuciano Coelho size_t i;
139890921014SLuciano Coelho int ret;
139990921014SLuciano Coelho
140090921014SLuciano Coelho wl1251_reg_write32(wl, EE_START, 0);
140190921014SLuciano Coelho
140290921014SLuciano Coelho for (i = 0; i < len; i++) {
140390921014SLuciano Coelho ret = wl1251_read_eeprom_byte(wl, offset + i, &data[i]);
140490921014SLuciano Coelho if (ret < 0)
140590921014SLuciano Coelho return ret;
140690921014SLuciano Coelho }
140790921014SLuciano Coelho
140890921014SLuciano Coelho return 0;
140990921014SLuciano Coelho }
141090921014SLuciano Coelho
wl1251_read_eeprom_mac(struct wl1251 * wl)141190921014SLuciano Coelho static int wl1251_read_eeprom_mac(struct wl1251 *wl)
141290921014SLuciano Coelho {
141390921014SLuciano Coelho u8 mac[ETH_ALEN];
141490921014SLuciano Coelho int i, ret;
141590921014SLuciano Coelho
141690921014SLuciano Coelho wl1251_set_partition(wl, 0, 0, REGISTERS_BASE, REGISTERS_DOWN_SIZE);
141790921014SLuciano Coelho
141890921014SLuciano Coelho ret = wl1251_read_eeprom(wl, 0x1c, mac, sizeof(mac));
141990921014SLuciano Coelho if (ret < 0) {
142090921014SLuciano Coelho wl1251_warning("failed to read MAC address from EEPROM");
142190921014SLuciano Coelho return ret;
142290921014SLuciano Coelho }
142390921014SLuciano Coelho
142490921014SLuciano Coelho /* MAC is stored in reverse order */
142590921014SLuciano Coelho for (i = 0; i < ETH_ALEN; i++)
142690921014SLuciano Coelho wl->mac_addr[i] = mac[ETH_ALEN - i - 1];
142790921014SLuciano Coelho
142890921014SLuciano Coelho return 0;
142990921014SLuciano Coelho }
143090921014SLuciano Coelho
14314f507d58SPali Rohár #define NVS_OFF_MAC_LEN 0x19
14324f507d58SPali Rohár #define NVS_OFF_MAC_ADDR_LO 0x1a
14334f507d58SPali Rohár #define NVS_OFF_MAC_ADDR_HI 0x1b
14344f507d58SPali Rohár #define NVS_OFF_MAC_DATA 0x1c
14354f507d58SPali Rohár
wl1251_check_nvs_mac(struct wl1251 * wl)14364f507d58SPali Rohár static int wl1251_check_nvs_mac(struct wl1251 *wl)
14374f507d58SPali Rohár {
14384f507d58SPali Rohár if (wl->nvs_len < 0x24)
14394f507d58SPali Rohár return -ENODATA;
14404f507d58SPali Rohár
14414f507d58SPali Rohár /* length is 2 and data address is 0x546c (ANDed with 0xfffe) */
14424f507d58SPali Rohár if (wl->nvs[NVS_OFF_MAC_LEN] != 2 ||
14434f507d58SPali Rohár wl->nvs[NVS_OFF_MAC_ADDR_LO] != 0x6d ||
14444f507d58SPali Rohár wl->nvs[NVS_OFF_MAC_ADDR_HI] != 0x54)
14454f507d58SPali Rohár return -EINVAL;
14464f507d58SPali Rohár
14474f507d58SPali Rohár return 0;
14484f507d58SPali Rohár }
14494f507d58SPali Rohár
wl1251_read_nvs_mac(struct wl1251 * wl)14504f507d58SPali Rohár static int wl1251_read_nvs_mac(struct wl1251 *wl)
14514f507d58SPali Rohár {
14524f507d58SPali Rohár u8 mac[ETH_ALEN];
14534f507d58SPali Rohár int i, ret;
14544f507d58SPali Rohár
14554f507d58SPali Rohár ret = wl1251_check_nvs_mac(wl);
14564f507d58SPali Rohár if (ret)
14574f507d58SPali Rohár return ret;
14584f507d58SPali Rohár
14594f507d58SPali Rohár /* MAC is stored in reverse order */
14604f507d58SPali Rohár for (i = 0; i < ETH_ALEN; i++)
14614f507d58SPali Rohár mac[i] = wl->nvs[NVS_OFF_MAC_DATA + ETH_ALEN - i - 1];
14624f507d58SPali Rohár
14634f507d58SPali Rohár /* 00:00:20:07:03:09 is in example file wl1251-nvs.bin, so invalid */
14644f507d58SPali Rohár if (ether_addr_equal_unaligned(mac, "\x00\x00\x20\x07\x03\x09"))
14654f507d58SPali Rohár return -EINVAL;
14664f507d58SPali Rohár
14674f507d58SPali Rohár memcpy(wl->mac_addr, mac, ETH_ALEN);
14684f507d58SPali Rohár return 0;
14694f507d58SPali Rohár }
14704f507d58SPali Rohár
wl1251_write_nvs_mac(struct wl1251 * wl)14713142467fSPali Rohár static int wl1251_write_nvs_mac(struct wl1251 *wl)
14723142467fSPali Rohár {
14733142467fSPali Rohár int i, ret;
14743142467fSPali Rohár
14753142467fSPali Rohár ret = wl1251_check_nvs_mac(wl);
14763142467fSPali Rohár if (ret)
14773142467fSPali Rohár return ret;
14783142467fSPali Rohár
14793142467fSPali Rohár /* MAC is stored in reverse order */
14803142467fSPali Rohár for (i = 0; i < ETH_ALEN; i++)
14813142467fSPali Rohár wl->nvs[NVS_OFF_MAC_DATA + i] = wl->mac_addr[ETH_ALEN - i - 1];
14823142467fSPali Rohár
14833142467fSPali Rohár return 0;
14843142467fSPali Rohár }
14853142467fSPali Rohár
wl1251_register_hw(struct wl1251 * wl)148690921014SLuciano Coelho static int wl1251_register_hw(struct wl1251 *wl)
148790921014SLuciano Coelho {
148890921014SLuciano Coelho int ret;
148990921014SLuciano Coelho
149090921014SLuciano Coelho if (wl->mac80211_registered)
149190921014SLuciano Coelho return 0;
149290921014SLuciano Coelho
149390921014SLuciano Coelho SET_IEEE80211_PERM_ADDR(wl->hw, wl->mac_addr);
149490921014SLuciano Coelho
149590921014SLuciano Coelho ret = ieee80211_register_hw(wl->hw);
149690921014SLuciano Coelho if (ret < 0) {
149790921014SLuciano Coelho wl1251_error("unable to register mac80211 hw: %d", ret);
149890921014SLuciano Coelho return ret;
149990921014SLuciano Coelho }
150090921014SLuciano Coelho
150190921014SLuciano Coelho wl->mac80211_registered = true;
150290921014SLuciano Coelho
150390921014SLuciano Coelho wl1251_notice("loaded");
150490921014SLuciano Coelho
150590921014SLuciano Coelho return 0;
150690921014SLuciano Coelho }
150790921014SLuciano Coelho
wl1251_init_ieee80211(struct wl1251 * wl)150890921014SLuciano Coelho int wl1251_init_ieee80211(struct wl1251 *wl)
150990921014SLuciano Coelho {
151090921014SLuciano Coelho int ret;
151190921014SLuciano Coelho
151290921014SLuciano Coelho /* The tx descriptor buffer and the TKIP space */
151390921014SLuciano Coelho wl->hw->extra_tx_headroom = sizeof(struct tx_double_buffer_desc)
151490921014SLuciano Coelho + WL1251_TKIP_IV_SPACE;
151590921014SLuciano Coelho
151690921014SLuciano Coelho /* unit us */
151790921014SLuciano Coelho /* FIXME: find a proper value */
151890921014SLuciano Coelho
151930686bf7SJohannes Berg ieee80211_hw_set(wl->hw, SIGNAL_DBM);
152030686bf7SJohannes Berg ieee80211_hw_set(wl->hw, SUPPORTS_PS);
152190921014SLuciano Coelho
152290921014SLuciano Coelho wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
152390921014SLuciano Coelho BIT(NL80211_IFTYPE_ADHOC);
152490921014SLuciano Coelho wl->hw->wiphy->max_scan_ssids = 1;
152597affcfaSMerlijn Wajer
152697affcfaSMerlijn Wajer /* We set max_scan_ie_len to a random value to make wpa_supplicant scans not
152797affcfaSMerlijn Wajer * fail, as the driver will the ignore the extra passed IEs anyway
152897affcfaSMerlijn Wajer */
152997affcfaSMerlijn Wajer wl->hw->wiphy->max_scan_ie_len = 512;
153097affcfaSMerlijn Wajer
153157fbcce3SJohannes Berg wl->hw->wiphy->bands[NL80211_BAND_2GHZ] = &wl1251_band_2ghz;
153290921014SLuciano Coelho
153390921014SLuciano Coelho wl->hw->queues = 4;
153490921014SLuciano Coelho
15354f507d58SPali Rohár if (wl->nvs == NULL && !wl->use_eeprom) {
15364f507d58SPali Rohár ret = wl1251_fetch_nvs(wl);
15374f507d58SPali Rohár if (ret < 0)
15384f507d58SPali Rohár goto out;
15394f507d58SPali Rohár }
15404f507d58SPali Rohár
154190921014SLuciano Coelho if (wl->use_eeprom)
1542562da3a3SPali Rohár ret = wl1251_read_eeprom_mac(wl);
1543562da3a3SPali Rohár else
15444f507d58SPali Rohár ret = wl1251_read_nvs_mac(wl);
1545562da3a3SPali Rohár
1546562da3a3SPali Rohár if (ret == 0 && !is_valid_ether_addr(wl->mac_addr))
1547562da3a3SPali Rohár ret = -EINVAL;
1548562da3a3SPali Rohár
1549562da3a3SPali Rohár if (ret < 0) {
1550562da3a3SPali Rohár /*
1551562da3a3SPali Rohár * In case our MAC address is not correctly set,
1552562da3a3SPali Rohár * we use a random but Nokia MAC.
1553562da3a3SPali Rohár */
1554562da3a3SPali Rohár static const u8 nokia_oui[3] = {0x00, 0x1f, 0xdf};
1555562da3a3SPali Rohár memcpy(wl->mac_addr, nokia_oui, 3);
1556562da3a3SPali Rohár get_random_bytes(wl->mac_addr + 3, 3);
15573142467fSPali Rohár if (!wl->use_eeprom)
15583142467fSPali Rohár wl1251_write_nvs_mac(wl);
1559562da3a3SPali Rohár wl1251_warning("MAC address in eeprom or nvs data is not valid");
1560562da3a3SPali Rohár wl1251_warning("Setting random MAC address: %pM", wl->mac_addr);
1561562da3a3SPali Rohár }
156290921014SLuciano Coelho
156390921014SLuciano Coelho ret = wl1251_register_hw(wl);
156490921014SLuciano Coelho if (ret)
156590921014SLuciano Coelho goto out;
156690921014SLuciano Coelho
156790921014SLuciano Coelho wl1251_debugfs_init(wl);
156890921014SLuciano Coelho wl1251_notice("initialized");
156990921014SLuciano Coelho
157090921014SLuciano Coelho ret = 0;
157190921014SLuciano Coelho
157290921014SLuciano Coelho out:
157390921014SLuciano Coelho return ret;
157490921014SLuciano Coelho }
157590921014SLuciano Coelho EXPORT_SYMBOL_GPL(wl1251_init_ieee80211);
157690921014SLuciano Coelho
wl1251_alloc_hw(void)157790921014SLuciano Coelho struct ieee80211_hw *wl1251_alloc_hw(void)
157890921014SLuciano Coelho {
157990921014SLuciano Coelho struct ieee80211_hw *hw;
158090921014SLuciano Coelho struct wl1251 *wl;
158190921014SLuciano Coelho int i;
158290921014SLuciano Coelho
158390921014SLuciano Coelho hw = ieee80211_alloc_hw(sizeof(*wl), &wl1251_ops);
158490921014SLuciano Coelho if (!hw) {
158590921014SLuciano Coelho wl1251_error("could not alloc ieee80211_hw");
158690921014SLuciano Coelho return ERR_PTR(-ENOMEM);
158790921014SLuciano Coelho }
158890921014SLuciano Coelho
158990921014SLuciano Coelho wl = hw->priv;
159090921014SLuciano Coelho memset(wl, 0, sizeof(*wl));
159190921014SLuciano Coelho
159290921014SLuciano Coelho wl->hw = hw;
159390921014SLuciano Coelho
159490921014SLuciano Coelho wl->data_in_count = 0;
159590921014SLuciano Coelho
159690921014SLuciano Coelho skb_queue_head_init(&wl->tx_queue);
159790921014SLuciano Coelho
159890921014SLuciano Coelho INIT_DELAYED_WORK(&wl->elp_work, wl1251_elp_work);
159990921014SLuciano Coelho wl->channel = WL1251_DEFAULT_CHANNEL;
16004d09b537SDavid Gnedt wl->monitor_present = false;
1601c8909e5aSDavid Gnedt wl->joined = false;
160290921014SLuciano Coelho wl->scanning = false;
1603c8909e5aSDavid Gnedt wl->bss_type = MAX_BSS_TYPE;
160490921014SLuciano Coelho wl->default_key = 0;
160590921014SLuciano Coelho wl->listen_int = 1;
160690921014SLuciano Coelho wl->rx_counter = 0;
160790921014SLuciano Coelho wl->rx_handled = 0;
160890921014SLuciano Coelho wl->rx_current_buffer = 0;
160990921014SLuciano Coelho wl->rx_last_id = 0;
161090921014SLuciano Coelho wl->rx_config = WL1251_DEFAULT_RX_CONFIG;
161190921014SLuciano Coelho wl->rx_filter = WL1251_DEFAULT_RX_FILTER;
161290921014SLuciano Coelho wl->elp = false;
161390921014SLuciano Coelho wl->station_mode = STATION_ACTIVE_MODE;
161490921014SLuciano Coelho wl->psm_requested = false;
1615f7ad1eedSDavid Gnedt wl->psm_entry_retry = 0;
161690921014SLuciano Coelho wl->tx_queue_stopped = false;
161790921014SLuciano Coelho wl->power_level = WL1251_DEFAULT_POWER_LEVEL;
161890921014SLuciano Coelho wl->rssi_thold = 0;
161990921014SLuciano Coelho wl->beacon_int = WL1251_DEFAULT_BEACON_INT;
162090921014SLuciano Coelho wl->dtim_period = WL1251_DEFAULT_DTIM_PERIOD;
162190921014SLuciano Coelho wl->vif = NULL;
162290921014SLuciano Coelho
162390921014SLuciano Coelho for (i = 0; i < FW_TX_CMPLT_BLOCK_SIZE; i++)
162490921014SLuciano Coelho wl->tx_frames[i] = NULL;
162590921014SLuciano Coelho
162690921014SLuciano Coelho wl->next_tx_complete = 0;
162790921014SLuciano Coelho
162890921014SLuciano Coelho INIT_WORK(&wl->irq_work, wl1251_irq_work);
162990921014SLuciano Coelho INIT_WORK(&wl->tx_work, wl1251_tx_work);
163090921014SLuciano Coelho
163190921014SLuciano Coelho wl->state = WL1251_STATE_OFF;
163290921014SLuciano Coelho mutex_init(&wl->mutex);
1633f581a0ddSCong Wang spin_lock_init(&wl->wl_lock);
163490921014SLuciano Coelho
163590921014SLuciano Coelho wl->tx_mgmt_frm_rate = DEFAULT_HW_GEN_TX_RATE;
163690921014SLuciano Coelho wl->tx_mgmt_frm_mod = DEFAULT_HW_GEN_MODULATION_TYPE;
163790921014SLuciano Coelho
163890921014SLuciano Coelho wl->rx_descriptor = kmalloc(sizeof(*wl->rx_descriptor), GFP_KERNEL);
163990921014SLuciano Coelho if (!wl->rx_descriptor) {
164090921014SLuciano Coelho wl1251_error("could not allocate memory for rx descriptor");
164190921014SLuciano Coelho ieee80211_free_hw(hw);
164290921014SLuciano Coelho return ERR_PTR(-ENOMEM);
164390921014SLuciano Coelho }
164490921014SLuciano Coelho
164590921014SLuciano Coelho return hw;
164690921014SLuciano Coelho }
164790921014SLuciano Coelho EXPORT_SYMBOL_GPL(wl1251_alloc_hw);
164890921014SLuciano Coelho
wl1251_free_hw(struct wl1251 * wl)164990921014SLuciano Coelho int wl1251_free_hw(struct wl1251 *wl)
165090921014SLuciano Coelho {
165190921014SLuciano Coelho ieee80211_unregister_hw(wl->hw);
165290921014SLuciano Coelho
165390921014SLuciano Coelho wl1251_debugfs_exit(wl);
165490921014SLuciano Coelho
165590921014SLuciano Coelho kfree(wl->target_mem_map);
165690921014SLuciano Coelho kfree(wl->data_path);
165790921014SLuciano Coelho vfree(wl->fw);
165890921014SLuciano Coelho wl->fw = NULL;
165990921014SLuciano Coelho kfree(wl->nvs);
166090921014SLuciano Coelho wl->nvs = NULL;
166190921014SLuciano Coelho
166290921014SLuciano Coelho kfree(wl->rx_descriptor);
166390921014SLuciano Coelho wl->rx_descriptor = NULL;
166490921014SLuciano Coelho
166590921014SLuciano Coelho ieee80211_free_hw(wl->hw);
166690921014SLuciano Coelho
166790921014SLuciano Coelho return 0;
166890921014SLuciano Coelho }
166990921014SLuciano Coelho EXPORT_SYMBOL_GPL(wl1251_free_hw);
167090921014SLuciano Coelho
1671fcc658daSMasanari Iida MODULE_DESCRIPTION("TI wl1251 Wireless LAN Driver Core");
167290921014SLuciano Coelho MODULE_LICENSE("GPL");
167390921014SLuciano Coelho MODULE_AUTHOR("Kalle Valo <kvalo@adurom.com>");
167490921014SLuciano Coelho MODULE_FIRMWARE(WL1251_FW_NAME);
1675deb6e6b7SPavel Machek MODULE_FIRMWARE(WL1251_NVS_NAME);
1676