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2103 lines
49 KiB
2103 lines
49 KiB
// SPDX-License-Identifier: GPL-2.0-only |
|
/* |
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* This file is part of wl1271 |
|
* |
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* Copyright (C) 2009-2010 Nokia Corporation |
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* |
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* Contact: Luciano Coelho <[email protected]> |
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*/ |
|
|
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#include <linux/module.h> |
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#include <linux/platform_device.h> |
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#include <linux/pm_runtime.h> |
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#include <linux/spi/spi.h> |
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#include <linux/etherdevice.h> |
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#include <linux/ieee80211.h> |
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#include <linux/slab.h> |
|
|
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#include "wlcore.h" |
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#include "debug.h" |
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#include "io.h" |
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#include "acx.h" |
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#include "wl12xx_80211.h" |
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#include "cmd.h" |
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#include "event.h" |
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#include "tx.h" |
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#include "hw_ops.h" |
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|
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#define WL1271_CMD_FAST_POLL_COUNT 50 |
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#define WL1271_WAIT_EVENT_FAST_POLL_COUNT 20 |
|
|
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/* |
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* send command to firmware |
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* |
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* @wl: wl struct |
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* @id: command id |
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* @buf: buffer containing the command, must work with dma |
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* @len: length of the buffer |
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* return the cmd status code on success. |
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*/ |
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static int __wlcore_cmd_send(struct wl1271 *wl, u16 id, void *buf, |
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size_t len, size_t res_len) |
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{ |
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struct wl1271_cmd_header *cmd; |
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unsigned long timeout; |
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u32 intr; |
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int ret; |
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u16 status; |
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u16 poll_count = 0; |
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|
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if (unlikely(wl->state == WLCORE_STATE_RESTARTING && |
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id != CMD_STOP_FWLOGGER)) |
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return -EIO; |
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|
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if (WARN_ON_ONCE(len < sizeof(*cmd))) |
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return -EIO; |
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|
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cmd = buf; |
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cmd->id = cpu_to_le16(id); |
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cmd->status = 0; |
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|
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WARN_ON(len % 4 != 0); |
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WARN_ON(test_bit(WL1271_FLAG_IN_ELP, &wl->flags)); |
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|
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ret = wlcore_write(wl, wl->cmd_box_addr, buf, len, false); |
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if (ret < 0) |
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return ret; |
|
|
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/* |
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* TODO: we just need this because one bit is in a different |
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* place. Is there any better way? |
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*/ |
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ret = wl->ops->trigger_cmd(wl, wl->cmd_box_addr, buf, len); |
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if (ret < 0) |
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return ret; |
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|
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timeout = jiffies + msecs_to_jiffies(WL1271_COMMAND_TIMEOUT); |
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|
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ret = wlcore_read_reg(wl, REG_INTERRUPT_NO_CLEAR, &intr); |
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if (ret < 0) |
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return ret; |
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|
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while (!(intr & WL1271_ACX_INTR_CMD_COMPLETE)) { |
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if (time_after(jiffies, timeout)) { |
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wl1271_error("command complete timeout"); |
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return -ETIMEDOUT; |
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} |
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|
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poll_count++; |
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if (poll_count < WL1271_CMD_FAST_POLL_COUNT) |
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udelay(10); |
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else |
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msleep(1); |
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|
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ret = wlcore_read_reg(wl, REG_INTERRUPT_NO_CLEAR, &intr); |
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if (ret < 0) |
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return ret; |
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} |
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|
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/* read back the status code of the command */ |
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if (res_len == 0) |
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res_len = sizeof(struct wl1271_cmd_header); |
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|
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ret = wlcore_read(wl, wl->cmd_box_addr, cmd, res_len, false); |
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if (ret < 0) |
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return ret; |
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|
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status = le16_to_cpu(cmd->status); |
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|
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ret = wlcore_write_reg(wl, REG_INTERRUPT_ACK, |
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WL1271_ACX_INTR_CMD_COMPLETE); |
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if (ret < 0) |
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return ret; |
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|
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return status; |
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} |
|
|
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/* |
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* send command to fw and return cmd status on success |
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* valid_rets contains a bitmap of allowed error codes |
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*/ |
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static int wlcore_cmd_send_failsafe(struct wl1271 *wl, u16 id, void *buf, |
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size_t len, size_t res_len, |
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unsigned long valid_rets) |
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{ |
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int ret = __wlcore_cmd_send(wl, id, buf, len, res_len); |
|
|
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if (ret < 0) |
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goto fail; |
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|
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/* success is always a valid status */ |
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valid_rets |= BIT(CMD_STATUS_SUCCESS); |
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|
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if (ret >= MAX_COMMAND_STATUS || |
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!test_bit(ret, &valid_rets)) { |
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wl1271_error("command execute failure %d", ret); |
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ret = -EIO; |
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goto fail; |
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} |
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return ret; |
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fail: |
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wl12xx_queue_recovery_work(wl); |
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return ret; |
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} |
|
|
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/* |
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* wrapper for wlcore_cmd_send that accept only CMD_STATUS_SUCCESS |
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* return 0 on success. |
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*/ |
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int wl1271_cmd_send(struct wl1271 *wl, u16 id, void *buf, size_t len, |
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size_t res_len) |
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{ |
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int ret = wlcore_cmd_send_failsafe(wl, id, buf, len, res_len, 0); |
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|
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if (ret < 0) |
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return ret; |
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return 0; |
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} |
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EXPORT_SYMBOL_GPL(wl1271_cmd_send); |
|
|
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/* |
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* Poll the mailbox event field until any of the bits in the mask is set or a |
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* timeout occurs (WL1271_EVENT_TIMEOUT in msecs) |
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*/ |
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int wlcore_cmd_wait_for_event_or_timeout(struct wl1271 *wl, |
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u32 mask, bool *timeout) |
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{ |
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u32 *events_vector; |
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u32 event; |
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unsigned long timeout_time; |
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u16 poll_count = 0; |
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int ret = 0; |
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|
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*timeout = false; |
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|
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events_vector = kmalloc(sizeof(*events_vector), GFP_KERNEL | GFP_DMA); |
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if (!events_vector) |
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return -ENOMEM; |
|
|
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timeout_time = jiffies + msecs_to_jiffies(WL1271_EVENT_TIMEOUT); |
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|
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ret = pm_runtime_get_sync(wl->dev); |
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if (ret < 0) { |
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pm_runtime_put_noidle(wl->dev); |
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goto free_vector; |
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} |
|
|
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do { |
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if (time_after(jiffies, timeout_time)) { |
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wl1271_debug(DEBUG_CMD, "timeout waiting for event %d", |
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(int)mask); |
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*timeout = true; |
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goto out; |
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} |
|
|
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poll_count++; |
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if (poll_count < WL1271_WAIT_EVENT_FAST_POLL_COUNT) |
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usleep_range(50, 51); |
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else |
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usleep_range(1000, 5000); |
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|
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/* read from both event fields */ |
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ret = wlcore_read(wl, wl->mbox_ptr[0], events_vector, |
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sizeof(*events_vector), false); |
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if (ret < 0) |
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goto out; |
|
|
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event = *events_vector & mask; |
|
|
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ret = wlcore_read(wl, wl->mbox_ptr[1], events_vector, |
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sizeof(*events_vector), false); |
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if (ret < 0) |
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goto out; |
|
|
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event |= *events_vector & mask; |
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} while (!event); |
|
|
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out: |
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pm_runtime_mark_last_busy(wl->dev); |
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pm_runtime_put_autosuspend(wl->dev); |
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free_vector: |
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kfree(events_vector); |
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return ret; |
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} |
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EXPORT_SYMBOL_GPL(wlcore_cmd_wait_for_event_or_timeout); |
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|
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int wl12xx_cmd_role_enable(struct wl1271 *wl, u8 *addr, u8 role_type, |
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u8 *role_id) |
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{ |
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struct wl12xx_cmd_role_enable *cmd; |
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int ret; |
|
|
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wl1271_debug(DEBUG_CMD, "cmd role enable"); |
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|
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if (WARN_ON(*role_id != WL12XX_INVALID_ROLE_ID)) |
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return -EBUSY; |
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|
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cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); |
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if (!cmd) { |
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ret = -ENOMEM; |
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goto out; |
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} |
|
|
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/* get role id */ |
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cmd->role_id = find_first_zero_bit(wl->roles_map, WL12XX_MAX_ROLES); |
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if (cmd->role_id >= WL12XX_MAX_ROLES) { |
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ret = -EBUSY; |
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goto out_free; |
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} |
|
|
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memcpy(cmd->mac_address, addr, ETH_ALEN); |
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cmd->role_type = role_type; |
|
|
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ret = wl1271_cmd_send(wl, CMD_ROLE_ENABLE, cmd, sizeof(*cmd), 0); |
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if (ret < 0) { |
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wl1271_error("failed to initiate cmd role enable"); |
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goto out_free; |
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} |
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|
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__set_bit(cmd->role_id, wl->roles_map); |
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*role_id = cmd->role_id; |
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|
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out_free: |
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kfree(cmd); |
|
|
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out: |
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return ret; |
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} |
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|
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int wl12xx_cmd_role_disable(struct wl1271 *wl, u8 *role_id) |
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{ |
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struct wl12xx_cmd_role_disable *cmd; |
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int ret; |
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|
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wl1271_debug(DEBUG_CMD, "cmd role disable"); |
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|
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if (WARN_ON(*role_id == WL12XX_INVALID_ROLE_ID)) |
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return -ENOENT; |
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|
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cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); |
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if (!cmd) { |
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ret = -ENOMEM; |
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goto out; |
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} |
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cmd->role_id = *role_id; |
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|
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ret = wl1271_cmd_send(wl, CMD_ROLE_DISABLE, cmd, sizeof(*cmd), 0); |
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if (ret < 0) { |
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wl1271_error("failed to initiate cmd role disable"); |
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goto out_free; |
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} |
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|
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__clear_bit(*role_id, wl->roles_map); |
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*role_id = WL12XX_INVALID_ROLE_ID; |
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|
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out_free: |
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kfree(cmd); |
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|
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out: |
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return ret; |
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} |
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|
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static int wlcore_get_new_session_id(struct wl1271 *wl, u8 hlid) |
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{ |
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if (wl->session_ids[hlid] >= SESSION_COUNTER_MAX) |
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wl->session_ids[hlid] = 0; |
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|
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wl->session_ids[hlid]++; |
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|
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return wl->session_ids[hlid]; |
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} |
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|
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int wl12xx_allocate_link(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 *hlid) |
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{ |
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unsigned long flags; |
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u8 link = find_first_zero_bit(wl->links_map, wl->num_links); |
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if (link >= wl->num_links) |
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return -EBUSY; |
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|
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wl->session_ids[link] = wlcore_get_new_session_id(wl, link); |
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|
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/* these bits are used by op_tx */ |
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spin_lock_irqsave(&wl->wl_lock, flags); |
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__set_bit(link, wl->links_map); |
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__set_bit(link, wlvif->links_map); |
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spin_unlock_irqrestore(&wl->wl_lock, flags); |
|
|
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/* |
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* take the last "freed packets" value from the current FW status. |
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* on recovery, we might not have fw_status yet, and |
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* tx_lnk_free_pkts will be NULL. check for it. |
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*/ |
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if (wl->fw_status->counters.tx_lnk_free_pkts) |
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wl->links[link].prev_freed_pkts = |
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wl->fw_status->counters.tx_lnk_free_pkts[link]; |
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wl->links[link].wlvif = wlvif; |
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|
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/* |
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* Take saved value for total freed packets from wlvif, in case this is |
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* recovery/resume |
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*/ |
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if (wlvif->bss_type != BSS_TYPE_AP_BSS) |
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wl->links[link].total_freed_pkts = wlvif->total_freed_pkts; |
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|
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*hlid = link; |
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|
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wl->active_link_count++; |
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return 0; |
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} |
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|
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void wl12xx_free_link(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 *hlid) |
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{ |
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unsigned long flags; |
|
|
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if (*hlid == WL12XX_INVALID_LINK_ID) |
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return; |
|
|
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/* these bits are used by op_tx */ |
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spin_lock_irqsave(&wl->wl_lock, flags); |
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__clear_bit(*hlid, wl->links_map); |
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__clear_bit(*hlid, wlvif->links_map); |
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spin_unlock_irqrestore(&wl->wl_lock, flags); |
|
|
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wl->links[*hlid].allocated_pkts = 0; |
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wl->links[*hlid].prev_freed_pkts = 0; |
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wl->links[*hlid].ba_bitmap = 0; |
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eth_zero_addr(wl->links[*hlid].addr); |
|
|
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/* |
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* At this point op_tx() will not add more packets to the queues. We |
|
* can purge them. |
|
*/ |
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wl1271_tx_reset_link_queues(wl, *hlid); |
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wl->links[*hlid].wlvif = NULL; |
|
|
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if (wlvif->bss_type == BSS_TYPE_AP_BSS && |
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*hlid == wlvif->ap.bcast_hlid) { |
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u32 sqn_padding = WL1271_TX_SQN_POST_RECOVERY_PADDING; |
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/* |
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* save the total freed packets in the wlvif, in case this is |
|
* recovery or suspend |
|
*/ |
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wlvif->total_freed_pkts = wl->links[*hlid].total_freed_pkts; |
|
|
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/* |
|
* increment the initial seq number on recovery to account for |
|
* transmitted packets that we haven't yet got in the FW status |
|
*/ |
|
if (wlvif->encryption_type == KEY_GEM) |
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sqn_padding = WL1271_TX_SQN_POST_RECOVERY_PADDING_GEM; |
|
|
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if (test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags)) |
|
wlvif->total_freed_pkts += sqn_padding; |
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} |
|
|
|
wl->links[*hlid].total_freed_pkts = 0; |
|
|
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*hlid = WL12XX_INVALID_LINK_ID; |
|
wl->active_link_count--; |
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WARN_ON_ONCE(wl->active_link_count < 0); |
|
} |
|
|
|
u8 wlcore_get_native_channel_type(u8 nl_channel_type) |
|
{ |
|
switch (nl_channel_type) { |
|
case NL80211_CHAN_NO_HT: |
|
return WLCORE_CHAN_NO_HT; |
|
case NL80211_CHAN_HT20: |
|
return WLCORE_CHAN_HT20; |
|
case NL80211_CHAN_HT40MINUS: |
|
return WLCORE_CHAN_HT40MINUS; |
|
case NL80211_CHAN_HT40PLUS: |
|
return WLCORE_CHAN_HT40PLUS; |
|
default: |
|
WARN_ON(1); |
|
return WLCORE_CHAN_NO_HT; |
|
} |
|
} |
|
EXPORT_SYMBOL_GPL(wlcore_get_native_channel_type); |
|
|
|
static int wl12xx_cmd_role_start_dev(struct wl1271 *wl, |
|
struct wl12xx_vif *wlvif, |
|
enum nl80211_band band, |
|
int channel) |
|
{ |
|
struct wl12xx_cmd_role_start *cmd; |
|
int ret; |
|
|
|
cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); |
|
if (!cmd) { |
|
ret = -ENOMEM; |
|
goto out; |
|
} |
|
|
|
wl1271_debug(DEBUG_CMD, "cmd role start dev %d", wlvif->dev_role_id); |
|
|
|
cmd->role_id = wlvif->dev_role_id; |
|
if (band == NL80211_BAND_5GHZ) |
|
cmd->band = WLCORE_BAND_5GHZ; |
|
cmd->channel = channel; |
|
|
|
if (wlvif->dev_hlid == WL12XX_INVALID_LINK_ID) { |
|
ret = wl12xx_allocate_link(wl, wlvif, &wlvif->dev_hlid); |
|
if (ret) |
|
goto out_free; |
|
} |
|
cmd->device.hlid = wlvif->dev_hlid; |
|
cmd->device.session = wl->session_ids[wlvif->dev_hlid]; |
|
|
|
wl1271_debug(DEBUG_CMD, "role start: roleid=%d, hlid=%d, session=%d", |
|
cmd->role_id, cmd->device.hlid, cmd->device.session); |
|
|
|
ret = wl1271_cmd_send(wl, CMD_ROLE_START, cmd, sizeof(*cmd), 0); |
|
if (ret < 0) { |
|
wl1271_error("failed to initiate cmd role enable"); |
|
goto err_hlid; |
|
} |
|
|
|
goto out_free; |
|
|
|
err_hlid: |
|
/* clear links on error */ |
|
wl12xx_free_link(wl, wlvif, &wlvif->dev_hlid); |
|
|
|
out_free: |
|
kfree(cmd); |
|
|
|
out: |
|
return ret; |
|
} |
|
|
|
static int wl12xx_cmd_role_stop_dev(struct wl1271 *wl, |
|
struct wl12xx_vif *wlvif) |
|
{ |
|
struct wl12xx_cmd_role_stop *cmd; |
|
int ret; |
|
|
|
if (WARN_ON(wlvif->dev_hlid == WL12XX_INVALID_LINK_ID)) |
|
return -EINVAL; |
|
|
|
cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); |
|
if (!cmd) { |
|
ret = -ENOMEM; |
|
goto out; |
|
} |
|
|
|
wl1271_debug(DEBUG_CMD, "cmd role stop dev"); |
|
|
|
cmd->role_id = wlvif->dev_role_id; |
|
cmd->disc_type = DISCONNECT_IMMEDIATE; |
|
cmd->reason = cpu_to_le16(WLAN_REASON_UNSPECIFIED); |
|
|
|
ret = wl1271_cmd_send(wl, CMD_ROLE_STOP, cmd, sizeof(*cmd), 0); |
|
if (ret < 0) { |
|
wl1271_error("failed to initiate cmd role stop"); |
|
goto out_free; |
|
} |
|
|
|
wl12xx_free_link(wl, wlvif, &wlvif->dev_hlid); |
|
|
|
out_free: |
|
kfree(cmd); |
|
|
|
out: |
|
return ret; |
|
} |
|
|
|
int wl12xx_cmd_role_start_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
|
{ |
|
struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); |
|
struct wl12xx_cmd_role_start *cmd; |
|
u32 supported_rates; |
|
int ret; |
|
|
|
cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); |
|
if (!cmd) { |
|
ret = -ENOMEM; |
|
goto out; |
|
} |
|
|
|
wl1271_debug(DEBUG_CMD, "cmd role start sta %d", wlvif->role_id); |
|
|
|
cmd->role_id = wlvif->role_id; |
|
if (wlvif->band == NL80211_BAND_5GHZ) |
|
cmd->band = WLCORE_BAND_5GHZ; |
|
cmd->channel = wlvif->channel; |
|
cmd->sta.basic_rate_set = cpu_to_le32(wlvif->basic_rate_set); |
|
cmd->sta.beacon_interval = cpu_to_le16(wlvif->beacon_int); |
|
cmd->sta.ssid_type = WL12XX_SSID_TYPE_ANY; |
|
cmd->sta.ssid_len = wlvif->ssid_len; |
|
memcpy(cmd->sta.ssid, wlvif->ssid, wlvif->ssid_len); |
|
memcpy(cmd->sta.bssid, vif->bss_conf.bssid, ETH_ALEN); |
|
|
|
supported_rates = CONF_TX_ENABLED_RATES | CONF_TX_MCS_RATES | |
|
wlcore_hw_sta_get_ap_rate_mask(wl, wlvif); |
|
if (wlvif->p2p) |
|
supported_rates &= ~CONF_TX_CCK_RATES; |
|
|
|
cmd->sta.local_rates = cpu_to_le32(supported_rates); |
|
|
|
cmd->channel_type = wlcore_get_native_channel_type(wlvif->channel_type); |
|
|
|
if (wlvif->sta.hlid == WL12XX_INVALID_LINK_ID) { |
|
ret = wl12xx_allocate_link(wl, wlvif, &wlvif->sta.hlid); |
|
if (ret) |
|
goto out_free; |
|
} |
|
cmd->sta.hlid = wlvif->sta.hlid; |
|
cmd->sta.session = wl->session_ids[wlvif->sta.hlid]; |
|
/* |
|
* We don't have the correct remote rates in this stage. The |
|
* rates will be reconfigured later, after association, if the |
|
* firmware supports ACX_PEER_CAP. Otherwise, there's nothing |
|
* we can do, so use all supported_rates here. |
|
*/ |
|
cmd->sta.remote_rates = cpu_to_le32(supported_rates); |
|
|
|
wl1271_debug(DEBUG_CMD, "role start: roleid=%d, hlid=%d, session=%d " |
|
"basic_rate_set: 0x%x, remote_rates: 0x%x", |
|
wlvif->role_id, cmd->sta.hlid, cmd->sta.session, |
|
wlvif->basic_rate_set, wlvif->rate_set); |
|
|
|
ret = wl1271_cmd_send(wl, CMD_ROLE_START, cmd, sizeof(*cmd), 0); |
|
if (ret < 0) { |
|
wl1271_error("failed to initiate cmd role start sta"); |
|
goto err_hlid; |
|
} |
|
|
|
wlvif->sta.role_chan_type = wlvif->channel_type; |
|
goto out_free; |
|
|
|
err_hlid: |
|
/* clear links on error. */ |
|
wl12xx_free_link(wl, wlvif, &wlvif->sta.hlid); |
|
|
|
out_free: |
|
kfree(cmd); |
|
|
|
out: |
|
return ret; |
|
} |
|
|
|
/* use this function to stop ibss as well */ |
|
int wl12xx_cmd_role_stop_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
|
{ |
|
struct wl12xx_cmd_role_stop *cmd; |
|
int ret; |
|
|
|
if (WARN_ON(wlvif->sta.hlid == WL12XX_INVALID_LINK_ID)) |
|
return -EINVAL; |
|
|
|
cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); |
|
if (!cmd) { |
|
ret = -ENOMEM; |
|
goto out; |
|
} |
|
|
|
wl1271_debug(DEBUG_CMD, "cmd role stop sta %d", wlvif->role_id); |
|
|
|
cmd->role_id = wlvif->role_id; |
|
cmd->disc_type = DISCONNECT_IMMEDIATE; |
|
cmd->reason = cpu_to_le16(WLAN_REASON_UNSPECIFIED); |
|
|
|
ret = wl1271_cmd_send(wl, CMD_ROLE_STOP, cmd, sizeof(*cmd), 0); |
|
if (ret < 0) { |
|
wl1271_error("failed to initiate cmd role stop sta"); |
|
goto out_free; |
|
} |
|
|
|
wl12xx_free_link(wl, wlvif, &wlvif->sta.hlid); |
|
|
|
out_free: |
|
kfree(cmd); |
|
|
|
out: |
|
return ret; |
|
} |
|
|
|
int wl12xx_cmd_role_start_ap(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
|
{ |
|
struct wl12xx_cmd_role_start *cmd; |
|
struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); |
|
struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; |
|
u32 supported_rates; |
|
int ret; |
|
|
|
wl1271_debug(DEBUG_CMD, "cmd role start ap %d", wlvif->role_id); |
|
|
|
/* If MESH --> ssid_len is always 0 */ |
|
if (!ieee80211_vif_is_mesh(vif)) { |
|
/* trying to use hidden SSID with an old hostapd version */ |
|
if (wlvif->ssid_len == 0 && !bss_conf->hidden_ssid) { |
|
wl1271_error("got a null SSID from beacon/bss"); |
|
ret = -EINVAL; |
|
goto out; |
|
} |
|
} |
|
|
|
cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); |
|
if (!cmd) { |
|
ret = -ENOMEM; |
|
goto out; |
|
} |
|
|
|
ret = wl12xx_allocate_link(wl, wlvif, &wlvif->ap.global_hlid); |
|
if (ret < 0) |
|
goto out_free; |
|
|
|
ret = wl12xx_allocate_link(wl, wlvif, &wlvif->ap.bcast_hlid); |
|
if (ret < 0) |
|
goto out_free_global; |
|
|
|
/* use the previous security seq, if this is a recovery/resume */ |
|
wl->links[wlvif->ap.bcast_hlid].total_freed_pkts = |
|
wlvif->total_freed_pkts; |
|
|
|
cmd->role_id = wlvif->role_id; |
|
cmd->ap.aging_period = cpu_to_le16(wl->conf.tx.ap_aging_period); |
|
cmd->ap.bss_index = WL1271_AP_BSS_INDEX; |
|
cmd->ap.global_hlid = wlvif->ap.global_hlid; |
|
cmd->ap.broadcast_hlid = wlvif->ap.bcast_hlid; |
|
cmd->ap.global_session_id = wl->session_ids[wlvif->ap.global_hlid]; |
|
cmd->ap.bcast_session_id = wl->session_ids[wlvif->ap.bcast_hlid]; |
|
cmd->ap.basic_rate_set = cpu_to_le32(wlvif->basic_rate_set); |
|
cmd->ap.beacon_interval = cpu_to_le16(wlvif->beacon_int); |
|
cmd->ap.dtim_interval = bss_conf->dtim_period; |
|
cmd->ap.beacon_expiry = WL1271_AP_DEF_BEACON_EXP; |
|
/* FIXME: Change when adding DFS */ |
|
cmd->ap.reset_tsf = 1; /* By default reset AP TSF */ |
|
cmd->ap.wmm = wlvif->wmm_enabled; |
|
cmd->channel = wlvif->channel; |
|
cmd->channel_type = wlcore_get_native_channel_type(wlvif->channel_type); |
|
|
|
if (!bss_conf->hidden_ssid) { |
|
/* take the SSID from the beacon for backward compatibility */ |
|
cmd->ap.ssid_type = WL12XX_SSID_TYPE_PUBLIC; |
|
cmd->ap.ssid_len = wlvif->ssid_len; |
|
memcpy(cmd->ap.ssid, wlvif->ssid, wlvif->ssid_len); |
|
} else { |
|
cmd->ap.ssid_type = WL12XX_SSID_TYPE_HIDDEN; |
|
cmd->ap.ssid_len = bss_conf->ssid_len; |
|
memcpy(cmd->ap.ssid, bss_conf->ssid, bss_conf->ssid_len); |
|
} |
|
|
|
supported_rates = CONF_TX_ENABLED_RATES | CONF_TX_MCS_RATES | |
|
wlcore_hw_ap_get_mimo_wide_rate_mask(wl, wlvif); |
|
if (wlvif->p2p) |
|
supported_rates &= ~CONF_TX_CCK_RATES; |
|
|
|
wl1271_debug(DEBUG_CMD, "cmd role start ap with supported_rates 0x%08x", |
|
supported_rates); |
|
|
|
cmd->ap.local_rates = cpu_to_le32(supported_rates); |
|
|
|
switch (wlvif->band) { |
|
case NL80211_BAND_2GHZ: |
|
cmd->band = WLCORE_BAND_2_4GHZ; |
|
break; |
|
case NL80211_BAND_5GHZ: |
|
cmd->band = WLCORE_BAND_5GHZ; |
|
break; |
|
default: |
|
wl1271_warning("ap start - unknown band: %d", (int)wlvif->band); |
|
cmd->band = WLCORE_BAND_2_4GHZ; |
|
break; |
|
} |
|
|
|
ret = wl1271_cmd_send(wl, CMD_ROLE_START, cmd, sizeof(*cmd), 0); |
|
if (ret < 0) { |
|
wl1271_error("failed to initiate cmd role start ap"); |
|
goto out_free_bcast; |
|
} |
|
|
|
goto out_free; |
|
|
|
out_free_bcast: |
|
wl12xx_free_link(wl, wlvif, &wlvif->ap.bcast_hlid); |
|
|
|
out_free_global: |
|
wl12xx_free_link(wl, wlvif, &wlvif->ap.global_hlid); |
|
|
|
out_free: |
|
kfree(cmd); |
|
|
|
out: |
|
return ret; |
|
} |
|
|
|
int wl12xx_cmd_role_stop_ap(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
|
{ |
|
struct wl12xx_cmd_role_stop *cmd; |
|
int ret; |
|
|
|
cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); |
|
if (!cmd) { |
|
ret = -ENOMEM; |
|
goto out; |
|
} |
|
|
|
wl1271_debug(DEBUG_CMD, "cmd role stop ap %d", wlvif->role_id); |
|
|
|
cmd->role_id = wlvif->role_id; |
|
|
|
ret = wl1271_cmd_send(wl, CMD_ROLE_STOP, cmd, sizeof(*cmd), 0); |
|
if (ret < 0) { |
|
wl1271_error("failed to initiate cmd role stop ap"); |
|
goto out_free; |
|
} |
|
|
|
wl12xx_free_link(wl, wlvif, &wlvif->ap.bcast_hlid); |
|
wl12xx_free_link(wl, wlvif, &wlvif->ap.global_hlid); |
|
|
|
out_free: |
|
kfree(cmd); |
|
|
|
out: |
|
return ret; |
|
} |
|
|
|
int wl12xx_cmd_role_start_ibss(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
|
{ |
|
struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); |
|
struct wl12xx_cmd_role_start *cmd; |
|
struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; |
|
int ret; |
|
|
|
cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); |
|
if (!cmd) { |
|
ret = -ENOMEM; |
|
goto out; |
|
} |
|
|
|
wl1271_debug(DEBUG_CMD, "cmd role start ibss %d", wlvif->role_id); |
|
|
|
cmd->role_id = wlvif->role_id; |
|
if (wlvif->band == NL80211_BAND_5GHZ) |
|
cmd->band = WLCORE_BAND_5GHZ; |
|
cmd->channel = wlvif->channel; |
|
cmd->ibss.basic_rate_set = cpu_to_le32(wlvif->basic_rate_set); |
|
cmd->ibss.beacon_interval = cpu_to_le16(wlvif->beacon_int); |
|
cmd->ibss.dtim_interval = bss_conf->dtim_period; |
|
cmd->ibss.ssid_type = WL12XX_SSID_TYPE_ANY; |
|
cmd->ibss.ssid_len = wlvif->ssid_len; |
|
memcpy(cmd->ibss.ssid, wlvif->ssid, wlvif->ssid_len); |
|
memcpy(cmd->ibss.bssid, vif->bss_conf.bssid, ETH_ALEN); |
|
cmd->sta.local_rates = cpu_to_le32(wlvif->rate_set); |
|
|
|
if (wlvif->sta.hlid == WL12XX_INVALID_LINK_ID) { |
|
ret = wl12xx_allocate_link(wl, wlvif, &wlvif->sta.hlid); |
|
if (ret) |
|
goto out_free; |
|
} |
|
cmd->ibss.hlid = wlvif->sta.hlid; |
|
cmd->ibss.remote_rates = cpu_to_le32(wlvif->rate_set); |
|
|
|
wl1271_debug(DEBUG_CMD, "role start: roleid=%d, hlid=%d, session=%d " |
|
"basic_rate_set: 0x%x, remote_rates: 0x%x", |
|
wlvif->role_id, cmd->sta.hlid, cmd->sta.session, |
|
wlvif->basic_rate_set, wlvif->rate_set); |
|
|
|
wl1271_debug(DEBUG_CMD, "vif->bss_conf.bssid = %pM", |
|
vif->bss_conf.bssid); |
|
|
|
ret = wl1271_cmd_send(wl, CMD_ROLE_START, cmd, sizeof(*cmd), 0); |
|
if (ret < 0) { |
|
wl1271_error("failed to initiate cmd role enable"); |
|
goto err_hlid; |
|
} |
|
|
|
goto out_free; |
|
|
|
err_hlid: |
|
/* clear links on error. */ |
|
wl12xx_free_link(wl, wlvif, &wlvif->sta.hlid); |
|
|
|
out_free: |
|
kfree(cmd); |
|
|
|
out: |
|
return ret; |
|
} |
|
|
|
|
|
/** |
|
* wl1271_cmd_test - send test command to firmware |
|
* |
|
* @wl: wl struct |
|
* @buf: buffer containing the command, with all headers, must work with dma |
|
* @buf_len: length of the buffer |
|
* @answer: is answer needed |
|
*/ |
|
int wl1271_cmd_test(struct wl1271 *wl, void *buf, size_t buf_len, u8 answer) |
|
{ |
|
int ret; |
|
size_t res_len = 0; |
|
|
|
wl1271_debug(DEBUG_CMD, "cmd test"); |
|
|
|
if (answer) |
|
res_len = buf_len; |
|
|
|
ret = wl1271_cmd_send(wl, CMD_TEST, buf, buf_len, res_len); |
|
|
|
if (ret < 0) { |
|
wl1271_warning("TEST command failed"); |
|
return ret; |
|
} |
|
|
|
return ret; |
|
} |
|
EXPORT_SYMBOL_GPL(wl1271_cmd_test); |
|
|
|
/** |
|
* wl1271_cmd_interrogate - read acx from firmware |
|
* |
|
* @wl: wl struct |
|
* @id: acx id |
|
* @buf: buffer for the response, including all headers, must work with dma |
|
* @cmd_len: length of command |
|
* @res_len: length of payload |
|
*/ |
|
int wl1271_cmd_interrogate(struct wl1271 *wl, u16 id, void *buf, |
|
size_t cmd_len, size_t res_len) |
|
{ |
|
struct acx_header *acx = buf; |
|
int ret; |
|
|
|
wl1271_debug(DEBUG_CMD, "cmd interrogate"); |
|
|
|
acx->id = cpu_to_le16(id); |
|
|
|
/* response payload length, does not include any headers */ |
|
acx->len = cpu_to_le16(res_len - sizeof(*acx)); |
|
|
|
ret = wl1271_cmd_send(wl, CMD_INTERROGATE, acx, cmd_len, res_len); |
|
if (ret < 0) |
|
wl1271_error("INTERROGATE command failed"); |
|
|
|
return ret; |
|
} |
|
|
|
/** |
|
* wlcore_cmd_configure_failsafe - write acx value to firmware |
|
* |
|
* @wl: wl struct |
|
* @id: acx id |
|
* @buf: buffer containing acx, including all headers, must work with dma |
|
* @len: length of buf |
|
* @valid_rets: bitmap of valid cmd status codes (i.e. return values). |
|
* return the cmd status on success. |
|
*/ |
|
int wlcore_cmd_configure_failsafe(struct wl1271 *wl, u16 id, void *buf, |
|
size_t len, unsigned long valid_rets) |
|
{ |
|
struct acx_header *acx = buf; |
|
int ret; |
|
|
|
wl1271_debug(DEBUG_CMD, "cmd configure (%d)", id); |
|
|
|
if (WARN_ON_ONCE(len < sizeof(*acx))) |
|
return -EIO; |
|
|
|
acx->id = cpu_to_le16(id); |
|
|
|
/* payload length, does not include any headers */ |
|
acx->len = cpu_to_le16(len - sizeof(*acx)); |
|
|
|
ret = wlcore_cmd_send_failsafe(wl, CMD_CONFIGURE, acx, len, 0, |
|
valid_rets); |
|
if (ret < 0) { |
|
wl1271_warning("CONFIGURE command NOK"); |
|
return ret; |
|
} |
|
|
|
return ret; |
|
} |
|
|
|
/* |
|
* wrapper for wlcore_cmd_configure that accepts only success status. |
|
* return 0 on success |
|
*/ |
|
int wl1271_cmd_configure(struct wl1271 *wl, u16 id, void *buf, size_t len) |
|
{ |
|
int ret = wlcore_cmd_configure_failsafe(wl, id, buf, len, 0); |
|
|
|
if (ret < 0) |
|
return ret; |
|
return 0; |
|
} |
|
EXPORT_SYMBOL_GPL(wl1271_cmd_configure); |
|
|
|
int wl1271_cmd_data_path(struct wl1271 *wl, bool enable) |
|
{ |
|
struct cmd_enabledisable_path *cmd; |
|
int ret; |
|
u16 cmd_rx, cmd_tx; |
|
|
|
wl1271_debug(DEBUG_CMD, "cmd data path"); |
|
|
|
cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); |
|
if (!cmd) { |
|
ret = -ENOMEM; |
|
goto out; |
|
} |
|
|
|
/* the channel here is only used for calibration, so hardcoded to 1 */ |
|
cmd->channel = 1; |
|
|
|
if (enable) { |
|
cmd_rx = CMD_ENABLE_RX; |
|
cmd_tx = CMD_ENABLE_TX; |
|
} else { |
|
cmd_rx = CMD_DISABLE_RX; |
|
cmd_tx = CMD_DISABLE_TX; |
|
} |
|
|
|
ret = wl1271_cmd_send(wl, cmd_rx, cmd, sizeof(*cmd), 0); |
|
if (ret < 0) { |
|
wl1271_error("rx %s cmd for channel %d failed", |
|
enable ? "start" : "stop", cmd->channel); |
|
goto out; |
|
} |
|
|
|
wl1271_debug(DEBUG_BOOT, "rx %s cmd channel %d", |
|
enable ? "start" : "stop", cmd->channel); |
|
|
|
ret = wl1271_cmd_send(wl, cmd_tx, cmd, sizeof(*cmd), 0); |
|
if (ret < 0) { |
|
wl1271_error("tx %s cmd for channel %d failed", |
|
enable ? "start" : "stop", cmd->channel); |
|
goto out; |
|
} |
|
|
|
wl1271_debug(DEBUG_BOOT, "tx %s cmd channel %d", |
|
enable ? "start" : "stop", cmd->channel); |
|
|
|
out: |
|
kfree(cmd); |
|
return ret; |
|
} |
|
EXPORT_SYMBOL_GPL(wl1271_cmd_data_path); |
|
|
|
int wl1271_cmd_ps_mode(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
|
u8 ps_mode, u16 auto_ps_timeout) |
|
{ |
|
struct wl1271_cmd_ps_params *ps_params = NULL; |
|
int ret = 0; |
|
|
|
wl1271_debug(DEBUG_CMD, "cmd set ps mode"); |
|
|
|
ps_params = kzalloc(sizeof(*ps_params), GFP_KERNEL); |
|
if (!ps_params) { |
|
ret = -ENOMEM; |
|
goto out; |
|
} |
|
|
|
ps_params->role_id = wlvif->role_id; |
|
ps_params->ps_mode = ps_mode; |
|
ps_params->auto_ps_timeout = auto_ps_timeout; |
|
|
|
ret = wl1271_cmd_send(wl, CMD_SET_PS_MODE, ps_params, |
|
sizeof(*ps_params), 0); |
|
if (ret < 0) { |
|
wl1271_error("cmd set_ps_mode failed"); |
|
goto out; |
|
} |
|
|
|
out: |
|
kfree(ps_params); |
|
return ret; |
|
} |
|
|
|
int wl1271_cmd_template_set(struct wl1271 *wl, u8 role_id, |
|
u16 template_id, void *buf, size_t buf_len, |
|
int index, u32 rates) |
|
{ |
|
struct wl1271_cmd_template_set *cmd; |
|
int ret = 0; |
|
|
|
wl1271_debug(DEBUG_CMD, "cmd template_set %d (role %d)", |
|
template_id, role_id); |
|
|
|
WARN_ON(buf_len > WL1271_CMD_TEMPL_MAX_SIZE); |
|
buf_len = min_t(size_t, buf_len, WL1271_CMD_TEMPL_MAX_SIZE); |
|
|
|
cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); |
|
if (!cmd) { |
|
ret = -ENOMEM; |
|
goto out; |
|
} |
|
|
|
/* during initialization wlvif is NULL */ |
|
cmd->role_id = role_id; |
|
cmd->len = cpu_to_le16(buf_len); |
|
cmd->template_type = template_id; |
|
cmd->enabled_rates = cpu_to_le32(rates); |
|
cmd->short_retry_limit = wl->conf.tx.tmpl_short_retry_limit; |
|
cmd->long_retry_limit = wl->conf.tx.tmpl_long_retry_limit; |
|
cmd->index = index; |
|
|
|
if (buf) |
|
memcpy(cmd->template_data, buf, buf_len); |
|
|
|
ret = wl1271_cmd_send(wl, CMD_SET_TEMPLATE, cmd, sizeof(*cmd), 0); |
|
if (ret < 0) { |
|
wl1271_warning("cmd set_template failed: %d", ret); |
|
goto out_free; |
|
} |
|
|
|
out_free: |
|
kfree(cmd); |
|
|
|
out: |
|
return ret; |
|
} |
|
|
|
int wl12xx_cmd_build_null_data(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
|
{ |
|
struct sk_buff *skb = NULL; |
|
int size; |
|
void *ptr; |
|
int ret = -ENOMEM; |
|
|
|
|
|
if (wlvif->bss_type == BSS_TYPE_IBSS) { |
|
size = sizeof(struct wl12xx_null_data_template); |
|
ptr = NULL; |
|
} else { |
|
skb = ieee80211_nullfunc_get(wl->hw, |
|
wl12xx_wlvif_to_vif(wlvif), |
|
false); |
|
if (!skb) |
|
goto out; |
|
size = skb->len; |
|
ptr = skb->data; |
|
} |
|
|
|
ret = wl1271_cmd_template_set(wl, wlvif->role_id, |
|
CMD_TEMPL_NULL_DATA, ptr, size, 0, |
|
wlvif->basic_rate); |
|
|
|
out: |
|
dev_kfree_skb(skb); |
|
if (ret) |
|
wl1271_warning("cmd build null data failed %d", ret); |
|
|
|
return ret; |
|
|
|
} |
|
|
|
int wl12xx_cmd_build_klv_null_data(struct wl1271 *wl, |
|
struct wl12xx_vif *wlvif) |
|
{ |
|
struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); |
|
struct sk_buff *skb = NULL; |
|
int ret = -ENOMEM; |
|
|
|
skb = ieee80211_nullfunc_get(wl->hw, vif, false); |
|
if (!skb) |
|
goto out; |
|
|
|
ret = wl1271_cmd_template_set(wl, wlvif->role_id, CMD_TEMPL_KLV, |
|
skb->data, skb->len, |
|
wlvif->sta.klv_template_id, |
|
wlvif->basic_rate); |
|
|
|
out: |
|
dev_kfree_skb(skb); |
|
if (ret) |
|
wl1271_warning("cmd build klv null data failed %d", ret); |
|
|
|
return ret; |
|
|
|
} |
|
|
|
int wl1271_cmd_build_ps_poll(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
|
u16 aid) |
|
{ |
|
struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); |
|
struct sk_buff *skb; |
|
int ret = 0; |
|
|
|
skb = ieee80211_pspoll_get(wl->hw, vif); |
|
if (!skb) |
|
goto out; |
|
|
|
ret = wl1271_cmd_template_set(wl, wlvif->role_id, |
|
CMD_TEMPL_PS_POLL, skb->data, |
|
skb->len, 0, wlvif->basic_rate_set); |
|
|
|
out: |
|
dev_kfree_skb(skb); |
|
return ret; |
|
} |
|
|
|
int wl12xx_cmd_build_probe_req(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
|
u8 role_id, u8 band, |
|
const u8 *ssid, size_t ssid_len, |
|
const u8 *ie0, size_t ie0_len, const u8 *ie1, |
|
size_t ie1_len, bool sched_scan) |
|
{ |
|
struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); |
|
struct sk_buff *skb; |
|
int ret; |
|
u32 rate; |
|
u16 template_id_2_4 = wl->scan_templ_id_2_4; |
|
u16 template_id_5 = wl->scan_templ_id_5; |
|
|
|
wl1271_debug(DEBUG_SCAN, "build probe request band %d", band); |
|
|
|
skb = ieee80211_probereq_get(wl->hw, vif->addr, ssid, ssid_len, |
|
ie0_len + ie1_len); |
|
if (!skb) { |
|
ret = -ENOMEM; |
|
goto out; |
|
} |
|
if (ie0_len) |
|
skb_put_data(skb, ie0, ie0_len); |
|
if (ie1_len) |
|
skb_put_data(skb, ie1, ie1_len); |
|
|
|
if (sched_scan && |
|
(wl->quirks & WLCORE_QUIRK_DUAL_PROBE_TMPL)) { |
|
template_id_2_4 = wl->sched_scan_templ_id_2_4; |
|
template_id_5 = wl->sched_scan_templ_id_5; |
|
} |
|
|
|
rate = wl1271_tx_min_rate_get(wl, wlvif->bitrate_masks[band]); |
|
if (band == NL80211_BAND_2GHZ) |
|
ret = wl1271_cmd_template_set(wl, role_id, |
|
template_id_2_4, |
|
skb->data, skb->len, 0, rate); |
|
else |
|
ret = wl1271_cmd_template_set(wl, role_id, |
|
template_id_5, |
|
skb->data, skb->len, 0, rate); |
|
|
|
out: |
|
dev_kfree_skb(skb); |
|
return ret; |
|
} |
|
EXPORT_SYMBOL_GPL(wl12xx_cmd_build_probe_req); |
|
|
|
struct sk_buff *wl1271_cmd_build_ap_probe_req(struct wl1271 *wl, |
|
struct wl12xx_vif *wlvif, |
|
struct sk_buff *skb) |
|
{ |
|
struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); |
|
int ret; |
|
u32 rate; |
|
|
|
if (!skb) |
|
skb = ieee80211_ap_probereq_get(wl->hw, vif); |
|
if (!skb) |
|
goto out; |
|
|
|
wl1271_debug(DEBUG_SCAN, "set ap probe request template"); |
|
|
|
rate = wl1271_tx_min_rate_get(wl, wlvif->bitrate_masks[wlvif->band]); |
|
if (wlvif->band == NL80211_BAND_2GHZ) |
|
ret = wl1271_cmd_template_set(wl, wlvif->role_id, |
|
CMD_TEMPL_CFG_PROBE_REQ_2_4, |
|
skb->data, skb->len, 0, rate); |
|
else |
|
ret = wl1271_cmd_template_set(wl, wlvif->role_id, |
|
CMD_TEMPL_CFG_PROBE_REQ_5, |
|
skb->data, skb->len, 0, rate); |
|
|
|
if (ret < 0) |
|
wl1271_error("Unable to set ap probe request template."); |
|
|
|
out: |
|
return skb; |
|
} |
|
|
|
int wl1271_cmd_build_arp_rsp(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
|
{ |
|
int ret, extra = 0; |
|
u16 fc; |
|
struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); |
|
struct sk_buff *skb; |
|
struct wl12xx_arp_rsp_template *tmpl; |
|
struct ieee80211_hdr_3addr *hdr; |
|
struct arphdr *arp_hdr; |
|
|
|
skb = dev_alloc_skb(sizeof(*hdr) + sizeof(__le16) + sizeof(*tmpl) + |
|
WL1271_EXTRA_SPACE_MAX); |
|
if (!skb) { |
|
wl1271_error("failed to allocate buffer for arp rsp template"); |
|
return -ENOMEM; |
|
} |
|
|
|
skb_reserve(skb, sizeof(*hdr) + WL1271_EXTRA_SPACE_MAX); |
|
|
|
tmpl = skb_put_zero(skb, sizeof(*tmpl)); |
|
|
|
/* llc layer */ |
|
memcpy(tmpl->llc_hdr, rfc1042_header, sizeof(rfc1042_header)); |
|
tmpl->llc_type = cpu_to_be16(ETH_P_ARP); |
|
|
|
/* arp header */ |
|
arp_hdr = &tmpl->arp_hdr; |
|
arp_hdr->ar_hrd = cpu_to_be16(ARPHRD_ETHER); |
|
arp_hdr->ar_pro = cpu_to_be16(ETH_P_IP); |
|
arp_hdr->ar_hln = ETH_ALEN; |
|
arp_hdr->ar_pln = 4; |
|
arp_hdr->ar_op = cpu_to_be16(ARPOP_REPLY); |
|
|
|
/* arp payload */ |
|
memcpy(tmpl->sender_hw, vif->addr, ETH_ALEN); |
|
tmpl->sender_ip = wlvif->ip_addr; |
|
|
|
/* encryption space */ |
|
switch (wlvif->encryption_type) { |
|
case KEY_TKIP: |
|
if (wl->quirks & WLCORE_QUIRK_TKIP_HEADER_SPACE) |
|
extra = WL1271_EXTRA_SPACE_TKIP; |
|
break; |
|
case KEY_AES: |
|
extra = WL1271_EXTRA_SPACE_AES; |
|
break; |
|
case KEY_NONE: |
|
case KEY_WEP: |
|
case KEY_GEM: |
|
extra = 0; |
|
break; |
|
default: |
|
wl1271_warning("Unknown encryption type: %d", |
|
wlvif->encryption_type); |
|
ret = -EINVAL; |
|
goto out; |
|
} |
|
|
|
if (extra) { |
|
u8 *space = skb_push(skb, extra); |
|
memset(space, 0, extra); |
|
} |
|
|
|
/* QoS header - BE */ |
|
if (wlvif->sta.qos) |
|
memset(skb_push(skb, sizeof(__le16)), 0, sizeof(__le16)); |
|
|
|
/* mac80211 header */ |
|
hdr = skb_push(skb, sizeof(*hdr)); |
|
memset(hdr, 0, sizeof(*hdr)); |
|
fc = IEEE80211_FTYPE_DATA | IEEE80211_FCTL_TODS; |
|
if (wlvif->sta.qos) |
|
fc |= IEEE80211_STYPE_QOS_DATA; |
|
else |
|
fc |= IEEE80211_STYPE_DATA; |
|
if (wlvif->encryption_type != KEY_NONE) |
|
fc |= IEEE80211_FCTL_PROTECTED; |
|
|
|
hdr->frame_control = cpu_to_le16(fc); |
|
memcpy(hdr->addr1, vif->bss_conf.bssid, ETH_ALEN); |
|
memcpy(hdr->addr2, vif->addr, ETH_ALEN); |
|
eth_broadcast_addr(hdr->addr3); |
|
|
|
ret = wl1271_cmd_template_set(wl, wlvif->role_id, CMD_TEMPL_ARP_RSP, |
|
skb->data, skb->len, 0, |
|
wlvif->basic_rate); |
|
out: |
|
dev_kfree_skb(skb); |
|
return ret; |
|
} |
|
|
|
int wl1271_build_qos_null_data(struct wl1271 *wl, struct ieee80211_vif *vif) |
|
{ |
|
struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
|
struct ieee80211_qos_hdr template; |
|
|
|
memset(&template, 0, sizeof(template)); |
|
|
|
memcpy(template.addr1, vif->bss_conf.bssid, ETH_ALEN); |
|
memcpy(template.addr2, vif->addr, ETH_ALEN); |
|
memcpy(template.addr3, vif->bss_conf.bssid, ETH_ALEN); |
|
|
|
template.frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA | |
|
IEEE80211_STYPE_QOS_NULLFUNC | |
|
IEEE80211_FCTL_TODS); |
|
|
|
/* FIXME: not sure what priority to use here */ |
|
template.qos_ctrl = cpu_to_le16(0); |
|
|
|
return wl1271_cmd_template_set(wl, wlvif->role_id, |
|
CMD_TEMPL_QOS_NULL_DATA, &template, |
|
sizeof(template), 0, |
|
wlvif->basic_rate); |
|
} |
|
|
|
int wl12xx_cmd_set_default_wep_key(struct wl1271 *wl, u8 id, u8 hlid) |
|
{ |
|
struct wl1271_cmd_set_keys *cmd; |
|
int ret = 0; |
|
|
|
wl1271_debug(DEBUG_CMD, "cmd set_default_wep_key %d", id); |
|
|
|
cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); |
|
if (!cmd) { |
|
ret = -ENOMEM; |
|
goto out; |
|
} |
|
|
|
cmd->hlid = hlid; |
|
cmd->key_id = id; |
|
cmd->lid_key_type = WEP_DEFAULT_LID_TYPE; |
|
cmd->key_action = cpu_to_le16(KEY_SET_ID); |
|
cmd->key_type = KEY_WEP; |
|
|
|
ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd), 0); |
|
if (ret < 0) { |
|
wl1271_warning("cmd set_default_wep_key failed: %d", ret); |
|
goto out; |
|
} |
|
|
|
out: |
|
kfree(cmd); |
|
|
|
return ret; |
|
} |
|
|
|
int wl1271_cmd_set_sta_key(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
|
u16 action, u8 id, u8 key_type, |
|
u8 key_size, const u8 *key, const u8 *addr, |
|
u32 tx_seq_32, u16 tx_seq_16) |
|
{ |
|
struct wl1271_cmd_set_keys *cmd; |
|
int ret = 0; |
|
|
|
/* hlid might have already been deleted */ |
|
if (wlvif->sta.hlid == WL12XX_INVALID_LINK_ID) |
|
return 0; |
|
|
|
cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); |
|
if (!cmd) { |
|
ret = -ENOMEM; |
|
goto out; |
|
} |
|
|
|
cmd->hlid = wlvif->sta.hlid; |
|
|
|
if (key_type == KEY_WEP) |
|
cmd->lid_key_type = WEP_DEFAULT_LID_TYPE; |
|
else if (is_broadcast_ether_addr(addr)) |
|
cmd->lid_key_type = BROADCAST_LID_TYPE; |
|
else |
|
cmd->lid_key_type = UNICAST_LID_TYPE; |
|
|
|
cmd->key_action = cpu_to_le16(action); |
|
cmd->key_size = key_size; |
|
cmd->key_type = key_type; |
|
|
|
cmd->ac_seq_num16[0] = cpu_to_le16(tx_seq_16); |
|
cmd->ac_seq_num32[0] = cpu_to_le32(tx_seq_32); |
|
|
|
cmd->key_id = id; |
|
|
|
if (key_type == KEY_TKIP) { |
|
/* |
|
* We get the key in the following form: |
|
* TKIP (16 bytes) - TX MIC (8 bytes) - RX MIC (8 bytes) |
|
* but the target is expecting: |
|
* TKIP - RX MIC - TX MIC |
|
*/ |
|
memcpy(cmd->key, key, 16); |
|
memcpy(cmd->key + 16, key + 24, 8); |
|
memcpy(cmd->key + 24, key + 16, 8); |
|
|
|
} else { |
|
memcpy(cmd->key, key, key_size); |
|
} |
|
|
|
wl1271_dump(DEBUG_CRYPT, "TARGET KEY: ", cmd, sizeof(*cmd)); |
|
|
|
ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd), 0); |
|
if (ret < 0) { |
|
wl1271_warning("could not set keys"); |
|
goto out; |
|
} |
|
|
|
out: |
|
kfree(cmd); |
|
|
|
return ret; |
|
} |
|
|
|
/* |
|
* TODO: merge with sta/ibss into 1 set_key function. |
|
* note there are slight diffs |
|
*/ |
|
int wl1271_cmd_set_ap_key(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
|
u16 action, u8 id, u8 key_type, |
|
u8 key_size, const u8 *key, u8 hlid, u32 tx_seq_32, |
|
u16 tx_seq_16, bool is_pairwise) |
|
{ |
|
struct wl1271_cmd_set_keys *cmd; |
|
int ret = 0; |
|
u8 lid_type; |
|
|
|
cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); |
|
if (!cmd) |
|
return -ENOMEM; |
|
|
|
if (hlid == wlvif->ap.bcast_hlid) { |
|
if (key_type == KEY_WEP) |
|
lid_type = WEP_DEFAULT_LID_TYPE; |
|
else |
|
lid_type = BROADCAST_LID_TYPE; |
|
} else if (is_pairwise) { |
|
lid_type = UNICAST_LID_TYPE; |
|
} else { |
|
lid_type = BROADCAST_LID_TYPE; |
|
} |
|
|
|
wl1271_debug(DEBUG_CRYPT, "ap key action: %d id: %d lid: %d type: %d" |
|
" hlid: %d", (int)action, (int)id, (int)lid_type, |
|
(int)key_type, (int)hlid); |
|
|
|
cmd->lid_key_type = lid_type; |
|
cmd->hlid = hlid; |
|
cmd->key_action = cpu_to_le16(action); |
|
cmd->key_size = key_size; |
|
cmd->key_type = key_type; |
|
cmd->key_id = id; |
|
cmd->ac_seq_num16[0] = cpu_to_le16(tx_seq_16); |
|
cmd->ac_seq_num32[0] = cpu_to_le32(tx_seq_32); |
|
|
|
if (key_type == KEY_TKIP) { |
|
/* |
|
* We get the key in the following form: |
|
* TKIP (16 bytes) - TX MIC (8 bytes) - RX MIC (8 bytes) |
|
* but the target is expecting: |
|
* TKIP - RX MIC - TX MIC |
|
*/ |
|
memcpy(cmd->key, key, 16); |
|
memcpy(cmd->key + 16, key + 24, 8); |
|
memcpy(cmd->key + 24, key + 16, 8); |
|
} else { |
|
memcpy(cmd->key, key, key_size); |
|
} |
|
|
|
wl1271_dump(DEBUG_CRYPT, "TARGET AP KEY: ", cmd, sizeof(*cmd)); |
|
|
|
ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd), 0); |
|
if (ret < 0) { |
|
wl1271_warning("could not set ap keys"); |
|
goto out; |
|
} |
|
|
|
out: |
|
kfree(cmd); |
|
return ret; |
|
} |
|
|
|
int wl12xx_cmd_set_peer_state(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
|
u8 hlid) |
|
{ |
|
struct wl12xx_cmd_set_peer_state *cmd; |
|
int ret = 0; |
|
|
|
wl1271_debug(DEBUG_CMD, "cmd set peer state (hlid=%d)", hlid); |
|
|
|
cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); |
|
if (!cmd) { |
|
ret = -ENOMEM; |
|
goto out; |
|
} |
|
|
|
cmd->hlid = hlid; |
|
cmd->state = WL1271_CMD_STA_STATE_CONNECTED; |
|
|
|
/* wmm param is valid only for station role */ |
|
if (wlvif->bss_type == BSS_TYPE_STA_BSS) |
|
cmd->wmm = wlvif->wmm_enabled; |
|
|
|
ret = wl1271_cmd_send(wl, CMD_SET_PEER_STATE, cmd, sizeof(*cmd), 0); |
|
if (ret < 0) { |
|
wl1271_error("failed to send set peer state command"); |
|
goto out_free; |
|
} |
|
|
|
out_free: |
|
kfree(cmd); |
|
|
|
out: |
|
return ret; |
|
} |
|
|
|
int wl12xx_cmd_add_peer(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
|
struct ieee80211_sta *sta, u8 hlid) |
|
{ |
|
struct wl12xx_cmd_add_peer *cmd; |
|
int i, ret; |
|
u32 sta_rates; |
|
|
|
wl1271_debug(DEBUG_CMD, "cmd add peer %d", (int)hlid); |
|
|
|
cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); |
|
if (!cmd) { |
|
ret = -ENOMEM; |
|
goto out; |
|
} |
|
|
|
memcpy(cmd->addr, sta->addr, ETH_ALEN); |
|
cmd->bss_index = WL1271_AP_BSS_INDEX; |
|
cmd->aid = sta->aid; |
|
cmd->hlid = hlid; |
|
cmd->sp_len = sta->max_sp; |
|
cmd->wmm = sta->wme ? 1 : 0; |
|
cmd->session_id = wl->session_ids[hlid]; |
|
cmd->role_id = wlvif->role_id; |
|
|
|
for (i = 0; i < NUM_ACCESS_CATEGORIES_COPY; i++) |
|
if (sta->wme && (sta->uapsd_queues & BIT(i))) |
|
cmd->psd_type[NUM_ACCESS_CATEGORIES_COPY-1-i] = |
|
WL1271_PSD_UPSD_TRIGGER; |
|
else |
|
cmd->psd_type[NUM_ACCESS_CATEGORIES_COPY-1-i] = |
|
WL1271_PSD_LEGACY; |
|
|
|
|
|
sta_rates = sta->supp_rates[wlvif->band]; |
|
if (sta->ht_cap.ht_supported) |
|
sta_rates |= |
|
(sta->ht_cap.mcs.rx_mask[0] << HW_HT_RATES_OFFSET) | |
|
(sta->ht_cap.mcs.rx_mask[1] << HW_MIMO_RATES_OFFSET); |
|
|
|
cmd->supported_rates = |
|
cpu_to_le32(wl1271_tx_enabled_rates_get(wl, sta_rates, |
|
wlvif->band)); |
|
|
|
if (!cmd->supported_rates) { |
|
wl1271_debug(DEBUG_CMD, |
|
"peer has no supported rates yet, configuring basic rates: 0x%x", |
|
wlvif->basic_rate_set); |
|
cmd->supported_rates = cpu_to_le32(wlvif->basic_rate_set); |
|
} |
|
|
|
wl1271_debug(DEBUG_CMD, "new peer rates=0x%x queues=0x%x", |
|
cmd->supported_rates, sta->uapsd_queues); |
|
|
|
ret = wl1271_cmd_send(wl, CMD_ADD_PEER, cmd, sizeof(*cmd), 0); |
|
if (ret < 0) { |
|
wl1271_error("failed to initiate cmd add peer"); |
|
goto out_free; |
|
} |
|
|
|
out_free: |
|
kfree(cmd); |
|
|
|
out: |
|
return ret; |
|
} |
|
|
|
int wl12xx_cmd_remove_peer(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
|
u8 hlid) |
|
{ |
|
struct wl12xx_cmd_remove_peer *cmd; |
|
int ret; |
|
bool timeout = false; |
|
|
|
wl1271_debug(DEBUG_CMD, "cmd remove peer %d", (int)hlid); |
|
|
|
cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); |
|
if (!cmd) { |
|
ret = -ENOMEM; |
|
goto out; |
|
} |
|
|
|
cmd->hlid = hlid; |
|
/* We never send a deauth, mac80211 is in charge of this */ |
|
cmd->reason_opcode = 0; |
|
cmd->send_deauth_flag = 0; |
|
cmd->role_id = wlvif->role_id; |
|
|
|
ret = wl1271_cmd_send(wl, CMD_REMOVE_PEER, cmd, sizeof(*cmd), 0); |
|
if (ret < 0) { |
|
wl1271_error("failed to initiate cmd remove peer"); |
|
goto out_free; |
|
} |
|
|
|
ret = wl->ops->wait_for_event(wl, |
|
WLCORE_EVENT_PEER_REMOVE_COMPLETE, |
|
&timeout); |
|
|
|
/* |
|
* We are ok with a timeout here. The event is sometimes not sent |
|
* due to a firmware bug. In case of another error (like SDIO timeout) |
|
* queue a recovery. |
|
*/ |
|
if (ret) |
|
wl12xx_queue_recovery_work(wl); |
|
|
|
out_free: |
|
kfree(cmd); |
|
|
|
out: |
|
return ret; |
|
} |
|
|
|
static int wlcore_get_reg_conf_ch_idx(enum nl80211_band band, u16 ch) |
|
{ |
|
/* |
|
* map the given band/channel to the respective predefined |
|
* bit expected by the fw |
|
*/ |
|
switch (band) { |
|
case NL80211_BAND_2GHZ: |
|
/* channels 1..14 are mapped to 0..13 */ |
|
if (ch >= 1 && ch <= 14) |
|
return ch - 1; |
|
break; |
|
case NL80211_BAND_5GHZ: |
|
switch (ch) { |
|
case 8 ... 16: |
|
/* channels 8,12,16 are mapped to 18,19,20 */ |
|
return 18 + (ch-8)/4; |
|
case 34 ... 48: |
|
/* channels 34,36..48 are mapped to 21..28 */ |
|
return 21 + (ch-34)/2; |
|
case 52 ... 64: |
|
/* channels 52,56..64 are mapped to 29..32 */ |
|
return 29 + (ch-52)/4; |
|
case 100 ... 140: |
|
/* channels 100,104..140 are mapped to 33..43 */ |
|
return 33 + (ch-100)/4; |
|
case 149 ... 165: |
|
/* channels 149,153..165 are mapped to 44..48 */ |
|
return 44 + (ch-149)/4; |
|
default: |
|
break; |
|
} |
|
break; |
|
default: |
|
break; |
|
} |
|
|
|
wl1271_error("%s: unknown band/channel: %d/%d", __func__, band, ch); |
|
return -1; |
|
} |
|
|
|
void wlcore_set_pending_regdomain_ch(struct wl1271 *wl, u16 channel, |
|
enum nl80211_band band) |
|
{ |
|
int ch_bit_idx = 0; |
|
|
|
if (!(wl->quirks & WLCORE_QUIRK_REGDOMAIN_CONF)) |
|
return; |
|
|
|
ch_bit_idx = wlcore_get_reg_conf_ch_idx(band, channel); |
|
|
|
if (ch_bit_idx >= 0 && ch_bit_idx <= WL1271_MAX_CHANNELS) |
|
__set_bit_le(ch_bit_idx, (long *)wl->reg_ch_conf_pending); |
|
} |
|
|
|
int wlcore_cmd_regdomain_config_locked(struct wl1271 *wl) |
|
{ |
|
struct wl12xx_cmd_regdomain_dfs_config *cmd = NULL; |
|
int ret = 0, i, b, ch_bit_idx; |
|
__le32 tmp_ch_bitmap[2] __aligned(sizeof(unsigned long)); |
|
struct wiphy *wiphy = wl->hw->wiphy; |
|
struct ieee80211_supported_band *band; |
|
bool timeout = false; |
|
|
|
if (!(wl->quirks & WLCORE_QUIRK_REGDOMAIN_CONF)) |
|
return 0; |
|
|
|
wl1271_debug(DEBUG_CMD, "cmd reg domain config"); |
|
|
|
memcpy(tmp_ch_bitmap, wl->reg_ch_conf_pending, sizeof(tmp_ch_bitmap)); |
|
|
|
for (b = NL80211_BAND_2GHZ; b <= NL80211_BAND_5GHZ; b++) { |
|
band = wiphy->bands[b]; |
|
for (i = 0; i < band->n_channels; i++) { |
|
struct ieee80211_channel *channel = &band->channels[i]; |
|
u16 ch = channel->hw_value; |
|
u32 flags = channel->flags; |
|
|
|
if (flags & (IEEE80211_CHAN_DISABLED | |
|
IEEE80211_CHAN_NO_IR)) |
|
continue; |
|
|
|
if ((flags & IEEE80211_CHAN_RADAR) && |
|
channel->dfs_state != NL80211_DFS_AVAILABLE) |
|
continue; |
|
|
|
ch_bit_idx = wlcore_get_reg_conf_ch_idx(b, ch); |
|
if (ch_bit_idx < 0) |
|
continue; |
|
|
|
__set_bit_le(ch_bit_idx, (long *)tmp_ch_bitmap); |
|
} |
|
} |
|
|
|
if (!memcmp(tmp_ch_bitmap, wl->reg_ch_conf_last, sizeof(tmp_ch_bitmap))) |
|
goto out; |
|
|
|
cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); |
|
if (!cmd) { |
|
ret = -ENOMEM; |
|
goto out; |
|
} |
|
|
|
cmd->ch_bit_map1 = tmp_ch_bitmap[0]; |
|
cmd->ch_bit_map2 = tmp_ch_bitmap[1]; |
|
cmd->dfs_region = wl->dfs_region; |
|
|
|
wl1271_debug(DEBUG_CMD, |
|
"cmd reg domain bitmap1: 0x%08x, bitmap2: 0x%08x", |
|
cmd->ch_bit_map1, cmd->ch_bit_map2); |
|
|
|
ret = wl1271_cmd_send(wl, CMD_DFS_CHANNEL_CONFIG, cmd, sizeof(*cmd), 0); |
|
if (ret < 0) { |
|
wl1271_error("failed to send reg domain dfs config"); |
|
goto out; |
|
} |
|
|
|
ret = wl->ops->wait_for_event(wl, |
|
WLCORE_EVENT_DFS_CONFIG_COMPLETE, |
|
&timeout); |
|
if (ret < 0 || timeout) { |
|
wl1271_error("reg domain conf %serror", |
|
timeout ? "completion " : ""); |
|
ret = timeout ? -ETIMEDOUT : ret; |
|
goto out; |
|
} |
|
|
|
memcpy(wl->reg_ch_conf_last, tmp_ch_bitmap, sizeof(tmp_ch_bitmap)); |
|
memset(wl->reg_ch_conf_pending, 0, sizeof(wl->reg_ch_conf_pending)); |
|
|
|
out: |
|
kfree(cmd); |
|
return ret; |
|
} |
|
|
|
int wl12xx_cmd_config_fwlog(struct wl1271 *wl) |
|
{ |
|
struct wl12xx_cmd_config_fwlog *cmd; |
|
int ret = 0; |
|
|
|
wl1271_debug(DEBUG_CMD, "cmd config firmware logger"); |
|
|
|
cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); |
|
if (!cmd) { |
|
ret = -ENOMEM; |
|
goto out; |
|
} |
|
|
|
cmd->logger_mode = wl->conf.fwlog.mode; |
|
cmd->log_severity = wl->conf.fwlog.severity; |
|
cmd->timestamp = wl->conf.fwlog.timestamp; |
|
cmd->output = wl->conf.fwlog.output; |
|
cmd->threshold = wl->conf.fwlog.threshold; |
|
|
|
ret = wl1271_cmd_send(wl, CMD_CONFIG_FWLOGGER, cmd, sizeof(*cmd), 0); |
|
if (ret < 0) { |
|
wl1271_error("failed to send config firmware logger command"); |
|
goto out_free; |
|
} |
|
|
|
out_free: |
|
kfree(cmd); |
|
|
|
out: |
|
return ret; |
|
} |
|
|
|
int wl12xx_cmd_start_fwlog(struct wl1271 *wl) |
|
{ |
|
struct wl12xx_cmd_start_fwlog *cmd; |
|
int ret = 0; |
|
|
|
wl1271_debug(DEBUG_CMD, "cmd start firmware logger"); |
|
|
|
cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); |
|
if (!cmd) { |
|
ret = -ENOMEM; |
|
goto out; |
|
} |
|
|
|
ret = wl1271_cmd_send(wl, CMD_START_FWLOGGER, cmd, sizeof(*cmd), 0); |
|
if (ret < 0) { |
|
wl1271_error("failed to send start firmware logger command"); |
|
goto out_free; |
|
} |
|
|
|
out_free: |
|
kfree(cmd); |
|
|
|
out: |
|
return ret; |
|
} |
|
|
|
int wl12xx_cmd_stop_fwlog(struct wl1271 *wl) |
|
{ |
|
struct wl12xx_cmd_stop_fwlog *cmd; |
|
int ret = 0; |
|
|
|
wl1271_debug(DEBUG_CMD, "cmd stop firmware logger"); |
|
|
|
cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); |
|
if (!cmd) { |
|
ret = -ENOMEM; |
|
goto out; |
|
} |
|
|
|
ret = wl1271_cmd_send(wl, CMD_STOP_FWLOGGER, cmd, sizeof(*cmd), 0); |
|
if (ret < 0) { |
|
wl1271_error("failed to send stop firmware logger command"); |
|
goto out_free; |
|
} |
|
|
|
out_free: |
|
kfree(cmd); |
|
|
|
out: |
|
return ret; |
|
} |
|
|
|
static int wl12xx_cmd_roc(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
|
u8 role_id, enum nl80211_band band, u8 channel) |
|
{ |
|
struct wl12xx_cmd_roc *cmd; |
|
int ret = 0; |
|
|
|
wl1271_debug(DEBUG_CMD, "cmd roc %d (%d)", channel, role_id); |
|
|
|
if (WARN_ON(role_id == WL12XX_INVALID_ROLE_ID)) |
|
return -EINVAL; |
|
|
|
cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); |
|
if (!cmd) { |
|
ret = -ENOMEM; |
|
goto out; |
|
} |
|
|
|
cmd->role_id = role_id; |
|
cmd->channel = channel; |
|
switch (band) { |
|
case NL80211_BAND_2GHZ: |
|
cmd->band = WLCORE_BAND_2_4GHZ; |
|
break; |
|
case NL80211_BAND_5GHZ: |
|
cmd->band = WLCORE_BAND_5GHZ; |
|
break; |
|
default: |
|
wl1271_error("roc - unknown band: %d", (int)wlvif->band); |
|
ret = -EINVAL; |
|
goto out_free; |
|
} |
|
|
|
|
|
ret = wl1271_cmd_send(wl, CMD_REMAIN_ON_CHANNEL, cmd, sizeof(*cmd), 0); |
|
if (ret < 0) { |
|
wl1271_error("failed to send ROC command"); |
|
goto out_free; |
|
} |
|
|
|
out_free: |
|
kfree(cmd); |
|
|
|
out: |
|
return ret; |
|
} |
|
|
|
static int wl12xx_cmd_croc(struct wl1271 *wl, u8 role_id) |
|
{ |
|
struct wl12xx_cmd_croc *cmd; |
|
int ret = 0; |
|
|
|
wl1271_debug(DEBUG_CMD, "cmd croc (%d)", role_id); |
|
|
|
cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); |
|
if (!cmd) { |
|
ret = -ENOMEM; |
|
goto out; |
|
} |
|
cmd->role_id = role_id; |
|
|
|
ret = wl1271_cmd_send(wl, CMD_CANCEL_REMAIN_ON_CHANNEL, cmd, |
|
sizeof(*cmd), 0); |
|
if (ret < 0) { |
|
wl1271_error("failed to send ROC command"); |
|
goto out_free; |
|
} |
|
|
|
out_free: |
|
kfree(cmd); |
|
|
|
out: |
|
return ret; |
|
} |
|
|
|
int wl12xx_roc(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 role_id, |
|
enum nl80211_band band, u8 channel) |
|
{ |
|
int ret = 0; |
|
|
|
if (WARN_ON(test_bit(role_id, wl->roc_map))) |
|
return 0; |
|
|
|
ret = wl12xx_cmd_roc(wl, wlvif, role_id, band, channel); |
|
if (ret < 0) |
|
goto out; |
|
|
|
__set_bit(role_id, wl->roc_map); |
|
out: |
|
return ret; |
|
} |
|
|
|
int wl12xx_croc(struct wl1271 *wl, u8 role_id) |
|
{ |
|
int ret = 0; |
|
|
|
if (WARN_ON(!test_bit(role_id, wl->roc_map))) |
|
return 0; |
|
|
|
ret = wl12xx_cmd_croc(wl, role_id); |
|
if (ret < 0) |
|
goto out; |
|
|
|
__clear_bit(role_id, wl->roc_map); |
|
|
|
/* |
|
* Rearm the tx watchdog when removing the last ROC. This prevents |
|
* recoveries due to just finished ROCs - when Tx hasn't yet had |
|
* a chance to get out. |
|
*/ |
|
if (find_first_bit(wl->roc_map, WL12XX_MAX_ROLES) >= WL12XX_MAX_ROLES) |
|
wl12xx_rearm_tx_watchdog_locked(wl); |
|
out: |
|
return ret; |
|
} |
|
|
|
int wl12xx_cmd_stop_channel_switch(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
|
{ |
|
struct wl12xx_cmd_stop_channel_switch *cmd; |
|
int ret; |
|
|
|
wl1271_debug(DEBUG_ACX, "cmd stop channel switch"); |
|
|
|
cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); |
|
if (!cmd) { |
|
ret = -ENOMEM; |
|
goto out; |
|
} |
|
|
|
cmd->role_id = wlvif->role_id; |
|
|
|
ret = wl1271_cmd_send(wl, CMD_STOP_CHANNEL_SWICTH, cmd, sizeof(*cmd), 0); |
|
if (ret < 0) { |
|
wl1271_error("failed to stop channel switch command"); |
|
goto out_free; |
|
} |
|
|
|
out_free: |
|
kfree(cmd); |
|
|
|
out: |
|
return ret; |
|
} |
|
|
|
/* start dev role and roc on its channel */ |
|
int wl12xx_start_dev(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
|
enum nl80211_band band, int channel) |
|
{ |
|
int ret; |
|
|
|
if (WARN_ON(!(wlvif->bss_type == BSS_TYPE_STA_BSS || |
|
wlvif->bss_type == BSS_TYPE_IBSS))) |
|
return -EINVAL; |
|
|
|
/* the dev role is already started for p2p mgmt interfaces */ |
|
if (!wlcore_is_p2p_mgmt(wlvif)) { |
|
ret = wl12xx_cmd_role_enable(wl, |
|
wl12xx_wlvif_to_vif(wlvif)->addr, |
|
WL1271_ROLE_DEVICE, |
|
&wlvif->dev_role_id); |
|
if (ret < 0) |
|
goto out; |
|
} |
|
|
|
ret = wl12xx_cmd_role_start_dev(wl, wlvif, band, channel); |
|
if (ret < 0) |
|
goto out_disable; |
|
|
|
ret = wl12xx_roc(wl, wlvif, wlvif->dev_role_id, band, channel); |
|
if (ret < 0) |
|
goto out_stop; |
|
|
|
return 0; |
|
|
|
out_stop: |
|
wl12xx_cmd_role_stop_dev(wl, wlvif); |
|
out_disable: |
|
if (!wlcore_is_p2p_mgmt(wlvif)) |
|
wl12xx_cmd_role_disable(wl, &wlvif->dev_role_id); |
|
out: |
|
return ret; |
|
} |
|
|
|
/* croc dev hlid, and stop the role */ |
|
int wl12xx_stop_dev(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
|
{ |
|
int ret; |
|
|
|
if (WARN_ON(!(wlvif->bss_type == BSS_TYPE_STA_BSS || |
|
wlvif->bss_type == BSS_TYPE_IBSS))) |
|
return -EINVAL; |
|
|
|
/* flush all pending packets */ |
|
ret = wlcore_tx_work_locked(wl); |
|
if (ret < 0) |
|
goto out; |
|
|
|
if (test_bit(wlvif->dev_role_id, wl->roc_map)) { |
|
ret = wl12xx_croc(wl, wlvif->dev_role_id); |
|
if (ret < 0) |
|
goto out; |
|
} |
|
|
|
ret = wl12xx_cmd_role_stop_dev(wl, wlvif); |
|
if (ret < 0) |
|
goto out; |
|
|
|
if (!wlcore_is_p2p_mgmt(wlvif)) { |
|
ret = wl12xx_cmd_role_disable(wl, &wlvif->dev_role_id); |
|
if (ret < 0) |
|
goto out; |
|
} |
|
|
|
out: |
|
return ret; |
|
} |
|
|
|
int wlcore_cmd_generic_cfg(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
|
u8 feature, u8 enable, u8 value) |
|
{ |
|
struct wlcore_cmd_generic_cfg *cmd; |
|
int ret; |
|
|
|
wl1271_debug(DEBUG_CMD, |
|
"cmd generic cfg (role %d feature %d enable %d value %d)", |
|
wlvif->role_id, feature, enable, value); |
|
|
|
cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); |
|
if (!cmd) |
|
return -ENOMEM; |
|
|
|
cmd->role_id = wlvif->role_id; |
|
cmd->feature = feature; |
|
cmd->enable = enable; |
|
cmd->value = value; |
|
|
|
ret = wl1271_cmd_send(wl, CMD_GENERIC_CFG, cmd, sizeof(*cmd), 0); |
|
if (ret < 0) { |
|
wl1271_error("failed to send generic cfg command"); |
|
goto out_free; |
|
} |
|
out_free: |
|
kfree(cmd); |
|
return ret; |
|
} |
|
EXPORT_SYMBOL_GPL(wlcore_cmd_generic_cfg);
|
|
|