mirror of https://gitee.com/openkylin/linux.git
2062 lines
48 KiB
C
2062 lines
48 KiB
C
/*
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* This file is part of wl1271
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*
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* Copyright (C) 2009-2010 Nokia Corporation
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*
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* Contact: Luciano Coelho <luciano.coelho@nokia.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*
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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/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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#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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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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if (WARN_ON_ONCE(len < sizeof(*cmd)))
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return -EIO;
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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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WARN_ON(len % 4 != 0);
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WARN_ON(test_bit(WL1271_FLAG_IN_ELP, &wl->flags));
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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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timeout = jiffies + msecs_to_jiffies(WL1271_COMMAND_TIMEOUT);
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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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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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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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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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/* 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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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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status = le16_to_cpu(cmd->status);
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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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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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/* success is always a valid status */
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valid_rets |= BIT(CMD_STATUS_SUCCESS);
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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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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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*timeout = false;
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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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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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/* 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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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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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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if (WARN_ON(*role_id != WL12XX_INVALID_ROLE_ID))
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return -EBUSY;
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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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__set_bit(cmd->role_id, wl->roles_map);
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*role_id = cmd->role_id;
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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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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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wl1271_debug(DEBUG_CMD, "cmd role disable");
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if (WARN_ON(*role_id == WL12XX_INVALID_ROLE_ID))
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return -ENOENT;
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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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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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__clear_bit(*role_id, wl->roles_map);
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*role_id = WL12XX_INVALID_ROLE_ID;
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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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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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wl->session_ids[hlid]++;
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return wl->session_ids[hlid];
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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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wl->session_ids[link] = wlcore_get_new_session_id(wl, link);
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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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* 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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*hlid = link;
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wl->active_link_count++;
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return 0;
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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
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* can purge them.
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*/
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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
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* recovery or suspend
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*/
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wlvif->total_freed_pkts = wl->links[*hlid].total_freed_pkts;
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|
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/*
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* increment the initial seq number on recovery to account for
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* transmitted packets that we haven't yet got in the FW status
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*/
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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))
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wlvif->total_freed_pkts += sqn_padding;
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}
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wl->links[*hlid].total_freed_pkts = 0;
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*hlid = WL12XX_INVALID_LINK_ID;
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wl->active_link_count--;
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WARN_ON_ONCE(wl->active_link_count < 0);
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}
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u8 wlcore_get_native_channel_type(u8 nl_channel_type)
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{
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switch (nl_channel_type) {
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case NL80211_CHAN_NO_HT:
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return WLCORE_CHAN_NO_HT;
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case NL80211_CHAN_HT20:
|
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return WLCORE_CHAN_HT20;
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case NL80211_CHAN_HT40MINUS:
|
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return WLCORE_CHAN_HT40MINUS;
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case NL80211_CHAN_HT40PLUS:
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return WLCORE_CHAN_HT40PLUS;
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default:
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WARN_ON(1);
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return WLCORE_CHAN_NO_HT;
|
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}
|
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}
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EXPORT_SYMBOL_GPL(wlcore_get_native_channel_type);
|
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|
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static int wl12xx_cmd_role_start_dev(struct wl1271 *wl,
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struct wl12xx_vif *wlvif,
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enum ieee80211_band band,
|
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int channel)
|
|
{
|
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struct wl12xx_cmd_role_start *cmd;
|
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int ret;
|
|
|
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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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wl1271_debug(DEBUG_CMD, "cmd role start dev %d", wlvif->dev_role_id);
|
|
|
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cmd->role_id = wlvif->dev_role_id;
|
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if (band == IEEE80211_BAND_5GHZ)
|
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cmd->band = WLCORE_BAND_5GHZ;
|
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cmd->channel = channel;
|
|
|
|
if (wlvif->dev_hlid == WL12XX_INVALID_LINK_ID) {
|
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ret = wl12xx_allocate_link(wl, wlvif, &wlvif->dev_hlid);
|
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if (ret)
|
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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",
|
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cmd->role_id, cmd->device.hlid, cmd->device.session);
|
|
|
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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;
|
|
}
|
|
|
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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;
|
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int ret;
|
|
|
|
if (WARN_ON(wlvif->dev_hlid == WL12XX_INVALID_LINK_ID))
|
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return -EINVAL;
|
|
|
|
cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
|
|
if (!cmd) {
|
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ret = -ENOMEM;
|
|
goto out;
|
|
}
|
|
|
|
wl1271_debug(DEBUG_CMD, "cmd role stop dev");
|
|
|
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cmd->role_id = wlvif->dev_role_id;
|
|
cmd->disc_type = DISCONNECT_IMMEDIATE;
|
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cmd->reason = cpu_to_le16(WLAN_REASON_UNSPECIFIED);
|
|
|
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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 == IEEE80211_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);
|
|
|
|
/* 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 IEEE80211_BAND_2GHZ:
|
|
cmd->band = WLCORE_BAND_2_4GHZ;
|
|
break;
|
|
case IEEE80211_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 == IEEE80211_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;
|
|
}
|
|
|
|
|
|
/**
|
|
* send test command to firmware
|
|
*
|
|
* @wl: wl struct
|
|
* @buf: buffer containing the command, with all headers, must work with dma
|
|
* @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);
|
|
|
|
/**
|
|
* read acx from firmware
|
|
*
|
|
* @wl: wl struct
|
|
* @id: acx id
|
|
* @buf: buffer for the response, including all headers, must work with dma
|
|
* @len: length of buf
|
|
*/
|
|
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;
|
|
}
|
|
|
|
/**
|
|
* 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));
|
|
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 buld 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);
|
|
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)
|
|
memcpy(skb_put(skb, ie0_len), ie0, ie0_len);
|
|
if (ie1_len)
|
|
memcpy(skb_put(skb, ie1_len), 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 == IEEE80211_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 == IEEE80211_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 = (struct wl12xx_arp_rsp_template *)skb_put(skb, sizeof(*tmpl));
|
|
memset(tmpl, 0, 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 = (struct ieee80211_hdr_3addr *)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)
|
|
{
|
|
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 {
|
|
lid_type = UNICAST_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));
|
|
|
|
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 ieee80211_band band, u16 ch)
|
|
{
|
|
/*
|
|
* map the given band/channel to the respective predefined
|
|
* bit expected by the fw
|
|
*/
|
|
switch (band) {
|
|
case IEEE80211_BAND_2GHZ:
|
|
/* channels 1..14 are mapped to 0..13 */
|
|
if (ch >= 1 && ch <= 14)
|
|
return ch - 1;
|
|
break;
|
|
case IEEE80211_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 ieee80211_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(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;
|
|
u32 tmp_ch_bitmap[2];
|
|
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");
|
|
|
|
memset(tmp_ch_bitmap, 0, sizeof(tmp_ch_bitmap));
|
|
|
|
for (b = IEEE80211_BAND_2GHZ; b <= IEEE80211_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(ch_bit_idx, (long *)tmp_ch_bitmap);
|
|
}
|
|
}
|
|
|
|
tmp_ch_bitmap[0] |= wl->reg_ch_conf_pending[0];
|
|
tmp_ch_bitmap[1] |= wl->reg_ch_conf_pending[1];
|
|
|
|
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 = cpu_to_le32(tmp_ch_bitmap[0]);
|
|
cmd->ch_bit_map2 = cpu_to_le32(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 ieee80211_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 IEEE80211_BAND_2GHZ:
|
|
cmd->band = WLCORE_BAND_2_4GHZ;
|
|
break;
|
|
case IEEE80211_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 ieee80211_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 ieee80211_band band, int channel)
|
|
{
|
|
int ret;
|
|
|
|
if (WARN_ON(!(wlvif->bss_type == BSS_TYPE_STA_BSS ||
|
|
wlvif->bss_type == BSS_TYPE_IBSS)))
|
|
return -EINVAL;
|
|
|
|
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:
|
|
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;
|
|
|
|
ret = wl12xx_cmd_role_disable(wl, &wlvif->dev_role_id);
|
|
if (ret < 0)
|
|
goto out;
|
|
|
|
out:
|
|
return ret;
|
|
}
|