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linuxOS_AP06/external/rkwifibt/drivers/rk960/wsm.c
hyx f2ecbedc91 v1.1.1
2025-06-03 12:28:32 +08:00

3881 lines
99 KiB
C
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/*
* Copyright (c) 2022, Fuzhou Rockchip Electronics Co., Ltd
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#include <linux/skbuff.h>
#include <linux/wait.h>
#include <linux/skbuff.h>
#include <linux/delay.h>
#include <linux/sched.h>
#include <linux/random.h>
#include <linux/etherdevice.h>
#include "rk960.h"
#include "wsm.h"
#include "bh.h"
#include "debug.h"
#include "itp.h"
#include "sta.h"
#include "hwbus.h"
//#define DISABLE_MULTI_WSM_TX
#define WSM_CMD_TIMEOUT (2 * HZ) /* With respect to interrupt loss */
#define WSM_CMD_JOIN_TIMEOUT (7 * HZ) /* Join timeout is 5 sec. in FW */
#define WSM_CMD_START_TIMEOUT (7 * HZ)
#define WSM_CMD_RESET_TIMEOUT (3 * HZ) /* 2 sec. timeout was observed. */
#define WSM_CMD_DEFAULT_TIMEOUT (3 * HZ)
#define WSM_SKIP(buf, size) \
do { \
if (unlikely((buf)->data + size > (buf)->end)) \
goto underflow; \
(buf)->data += size; \
} while (0)
#define WSM_GET(buf, ptr, size) \
do { \
if (unlikely((buf)->data + size > (buf)->end)) \
goto underflow; \
memcpy(ptr, (buf)->data, size); \
(buf)->data += size; \
} while (0)
#define __WSM_GET(buf, type, cvt) \
({ \
type val; \
if (unlikely((buf)->data + sizeof(type) > (buf)->end)) \
goto underflow; \
val = cvt(*(type *)(buf)->data); \
(buf)->data += sizeof(type); \
val; \
})
#define WSM_GET8(buf) __WSM_GET(buf, u8, (u8))
#define WSM_GET16(buf) __WSM_GET(buf, u16, __le16_to_cpu)
#define WSM_GET32(buf) __WSM_GET(buf, u32, __le32_to_cpu)
#define WSM_PUT(buf, ptr, size) \
do { \
if (unlikely((buf)->data + size > (buf)->end)) \
if (unlikely(wsm_buf_reserve((buf), size))) \
goto nomem; \
memcpy((buf)->data, ptr, size); \
(buf)->data += size; \
} while (0)
#define __WSM_PUT(buf, val, type, cvt) \
do { \
if (unlikely((buf)->data + sizeof(type) > (buf)->end)) \
if (unlikely(wsm_buf_reserve((buf), sizeof(type)))) \
goto nomem; \
*(type *)(buf)->data = cvt(val); \
(buf)->data += sizeof(type); \
} while (0)
#define WSM_PUT8(buf, val) __WSM_PUT(buf, val, u8, (u8))
#define WSM_PUT16(buf, val) __WSM_PUT(buf, val, u16, __cpu_to_le16)
#define WSM_PUT32(buf, val) __WSM_PUT(buf, val, u32, __cpu_to_le32)
#define WSM_COM_CMD_SAVE(type, v, cmd_id, qu_id) \
do { \
struct wsm_com_cmd_s *cmd; \
if (if_id == -1) \
if_id = 0; \
if (if_id > 1) \
break; \
cmd = &hw_priv->wsm_cmds.v[if_id]; \
if (cmd->buf != arg) { \
mutex_lock(&hw_priv->wsm_cmd_save_mux); \
cmd->valid = 0; \
cmd->cmd = cmd_id; \
cmd->if_id = if_id; \
cmd->qid = qu_id; \
cmd->args = (void *)arg; \
if (!cmd->buf) { \
cmd->buf = kmalloc(sizeof(type), GFP_KERNEL); \
if (!cmd->buf) { \
mutex_unlock(&hw_priv->wsm_cmd_save_mux); \
return -ENOMEM; \
} \
list_add_tail(&cmd->list, &hw_priv->wsm_cmds_list); \
} \
memcpy(cmd->buf, arg, sizeof(type)); \
cmd->valid = 1; \
mutex_unlock(&hw_priv->wsm_cmd_save_mux); \
} \
} while (0)
static void wsm_buf_reset(struct wsm_buf *buf);
static int wsm_buf_reserve(struct wsm_buf *buf, size_t extra_size);
static int get_interface_id_scanning(struct rk960_common *hw_priv);
static int wsm_cmd_send(struct rk960_common *hw_priv,
struct wsm_buf *buf,
void *arg, u16 cmd, long tmo, int if_id);
static struct rk960_vif
*wsm_get_interface_for_tx(struct rk960_common *hw_priv);
static inline void wsm_cmd_lock(struct rk960_common *hw_priv)
{
mutex_lock(&hw_priv->wsm_cmd_mux);
}
static inline void wsm_cmd_unlock(struct rk960_common *hw_priv)
{
mutex_unlock(&hw_priv->wsm_cmd_mux);
}
static inline void wsm_oper_lock(struct rk960_common *hw_priv)
{
mutex_lock(&hw_priv->wsm_oper_lock);
}
static inline void wsm_oper_unlock(struct rk960_common *hw_priv)
{
if (mutex_is_locked(&hw_priv->wsm_oper_lock))
mutex_unlock(&hw_priv->wsm_oper_lock);
}
/* ******************************************************************** */
/* WSM API implementation */
char *wsm_conv_req_resp_to_str(int id)
{
switch (id) {
case 0x0400:
case 0x0401:
return "WSM_MEM_RW_IND";
case 0x0000:
case 0x0001:
return "WSM_MEM_RW_REQ";
case 0x0801:
return "WSM_STARTUP_IND";
case 0x0803:
return "WSM_GENERIC_IND";
case 0x0009:
return "WSM_CONFIGURATION_REQ";
case 0x0409:
return "WSM_CONFIGURATION_RESP";
case 0x000A:
return "WSM_RESET_REQ";
case 0x040A:
return "WSM_RESET_RESP";
case 0x0005:
return "WSM_READ_MIB_REQ";
case 0x0405:
return "WSM_READ_MIB_RESP";
case 0x0006:
return "WSM_WRITE_MIB_REQ";
case 0x0406:
return "WSM_WRITE_MIB_RESP";
case 0x0007:
return "WSM_START_SCAN_REQ";
case 0x0407:
return "WSM_START_SCAN_RESP";
case 0x0008:
return "WSM_STOP_SCAN_REQ";
case 0x0408:
return "WSM_STOP_SCAN_RESP";
case 0x0806:
return "WSM_SCAN_COMPLETE_IND";
case 0x0404:
return "WSM_TX_CONFIRM_IND";
case 0x041E:
return "WSM_MULTI_TX_CONFIRM";
case 0x0804:
return "WSM_RECEIVE_IND";
case 0x000B:
return "WSM_JOIN_REQ";
case 0x040B:
return "WSM_JOIN_RESP";
case 0x0010:
return "WSM_SET_PM_REQ";
case 0x0410:
return "WSM_SET_PM_RESP";
case 0x0011:
return "WSM_SET_BSS_PARAMS_REQ";
case 0x0411:
return "WSM_SET_BSS_PARAMS_RESP";
case 0x000C:
return "WSM_ADD_KEY_REQ";
case 0x040C:
return "WSM_ADD_KEY_RESP";
case 0x000D:
return "WSM_REMOVE_KEY_REQ";
case 0x040D:
return "WSM_REMOVE_KEY_RESP";
case 0x0013:
return "WSM_EDCA_PARAMS_REQ";
case 0x0413:
return "WSM_EDCA_PARAMS_RESP";
case 0x0016:
return "WSM_SWITCH_CHANNEL_REQ";
case 0x0416:
return "WSM_SWITCH_CHANNEL_RESP";
case 0x0017:
return "WSM_START_REQ";
case 0x0417:
return "WSM_START_RESP";
case 0x0018:
return "WSM_BEACON_TRANSMIT_REQ";
case 0x0418:
return "WSM_BEACON_TRANSMIT_RESP";
case 0x0012:
return "WSM_TXQUEUE_PARAMS_REQ";
case 0x0412:
return "WSM_TXQUEUE_PARAMS_RESP";
case 0x0019:
return "WSM_START_FIND_REQ";
case 0x0419:
return "WSM_START_FIND_RESP";
case 0x001A:
return "WSM_STOP_FIND_REQ";
case 0x041A:
return "WSM_STOP_FIND_RESP";
case 0x001B:
return "WSM_UPDATE_IE_REQ";
case 0x041B:
return "WSM_UPDATE_IE_RESP";
case 0x001C:
return "WSM_MAP_LINK_REQ";
case 0x041C:
return "WSM_MAP_LINK_RESP";
case 0x0024:
return "WSM_ADC_READ_REQ";
case 0x0424:
return "WSM_ADC_READ_RESP";
case 0x0805:
return "WSM_EVENT_IND";
case 0x0809:
return "WSM_SET_PM_IND";
case 0x080C:
return "WSM_SUS_RES_IND";
case 0x0810:
return "WSM_SCHED_SCAN_COMPLETE_IND";
default:
return "UNKNOW";
}
}
static int wsm_reset_cmd_save(struct rk960_common *hw_priv,
const struct wsm_reset *arg, int if_id)
{
struct wsm_com_cmd_s *cmd;
if (if_id == RK960_GENERIC_IF_ID)
return 0;
if (arg->link_id)
return 0;
mutex_lock(&hw_priv->wsm_cmd_save_mux);
cmd = &hw_priv->wsm_cmds.wsm_join_cmd[if_id];
if (cmd->valid && cmd->buf) {
cmd->valid = 0;
kfree(cmd->buf);
cmd->buf = NULL;
list_del(&cmd->list);
// delete wsm_set_bss_params_cmd
cmd = &hw_priv->wsm_cmds.wsm_set_bss_params_cmd[if_id];
if (cmd->valid && cmd->buf) {
cmd->valid = 0;
kfree(cmd->buf);
cmd->buf = NULL;
list_del(&cmd->list);
}
}
cmd = &hw_priv->wsm_cmds.wsm_start_cmd[if_id];
if (cmd->valid && cmd->buf) {
cmd->valid = 0;
kfree(cmd->buf);
cmd->buf = NULL;
list_del(&cmd->list);
}
mutex_unlock(&hw_priv->wsm_cmd_save_mux);
return 0;
}
static int wsm_join_confirm_cmd_save(struct rk960_common *hw_priv,
struct wsm_join *arg)
{
struct wsm_com_cmd_s *cmd;
int if_id;
if (hw_priv->wsm_cmds.wsm_join_cmd[0].args == arg)
if_id = 0;
else
if_id = 1;
mutex_lock(&hw_priv->wsm_cmd_save_mux);
cmd = &hw_priv->wsm_cmds.wsm_join_cmd[if_id];
cmd->valid = 0;
if (cmd->buf) {
kfree(cmd->buf);
cmd->buf = NULL;
list_del(&cmd->list);
}
mutex_unlock(&hw_priv->wsm_cmd_save_mux);
return 0;
}
static int wsm_add_key_cmd_save(struct rk960_common *hw_priv,
const struct wsm_add_key *arg, int if_id)
{
struct wsm_com_cmd_s *cmd;
cmd = &hw_priv->wsm_cmds.wsm_add_key_cmd[arg->entryIndex];
if (cmd->buf != arg) {
mutex_lock(&hw_priv->wsm_cmd_save_mux);
cmd->valid = 0;
cmd->cmd = 0x000C;
cmd->if_id = if_id;
if (!cmd->buf) {
list_add_tail(&cmd->list, &hw_priv->wsm_cmds_list);
}
cmd->buf = (void *)arg;
cmd->valid = 1;
mutex_unlock(&hw_priv->wsm_cmd_save_mux);
}
return 0;
}
static int wsm_remove_key_cmd_save(struct rk960_common *hw_priv,
const struct wsm_remove_key *arg, int if_id)
{
struct wsm_com_cmd_s *cmd;
mutex_lock(&hw_priv->wsm_cmd_save_mux);
cmd = &hw_priv->wsm_cmds.wsm_add_key_cmd[arg->entryIndex];
if (cmd->buf) {
cmd->buf = NULL;
cmd->valid = 0;
list_del(&cmd->list);
}
mutex_unlock(&hw_priv->wsm_cmd_save_mux);
return 0;
}
static int wsm_write_mib_cmd_save(struct rk960_common *hw_priv,
u16 mibId, void *_buf, size_t buf_size,
int if_id)
{
struct wsm_com_cmd_s *cmd;
struct rk960_sended_wsm_cmds_s *cmds;
int idx;
BUG_ON(if_id > 1);
cmds = &hw_priv->wsm_cmds;
if (mibId == WSM_MIB_ID_SET_CSYNC_THR ||
mibId == WSM_MIB_ID_WRITE_EFUSE ||
mibId == WSM_MIB_ID_SDIO_DATA_WIDTH ||
mibId == WSM_MIB_ID_SET_FW_RECOVERY ||
mibId == WSM_MIB_ID_SET_TX_RATE_RETRY_POLICY)
return 0;
if (if_id == -1)
if_id = 0;
if (mibId == WSM_MIB_ID_TEMPLATE_FRAME) {
idx = *((u8 *) _buf);
BUG_ON(idx >= 8);
cmd = &cmds->wsm_wmib_tem_fra_cmd[if_id][idx];
} else {
idx = mibId & 0xfff;
BUG_ON(idx >= 128);
cmd = &cmds->wsm_wmib_cmd[if_id][idx];
}
if (cmd->buf != _buf) {
RK960_DEBUG_FWREC
("%s: idx %d if_id %d mibId 0x%04x buf_size %d", __func__,
idx, if_id, mibId, (int)buf_size);
mutex_lock(&hw_priv->wsm_cmd_save_mux);
cmd->valid = 0;
cmd->cmd = 0x0006;
cmd->if_id = if_id;
cmd->mibId = mibId;
if (cmd->buf && cmd->buf_size < buf_size) {
kfree(cmd->buf);
cmd->buf = kmalloc(buf_size, GFP_KERNEL);
if (!cmd->buf) {
mutex_unlock(&hw_priv->wsm_cmd_save_mux);
return -ENOMEM;
}
}
cmd->buf_size = buf_size;
if (!cmd->buf) {
cmd->buf = kmalloc(buf_size, GFP_KERNEL);
if (!cmd->buf) {
mutex_unlock(&hw_priv->wsm_cmd_save_mux);
return -ENOMEM;
}
list_add_tail(&cmd->list, &hw_priv->wsm_cmds_list);
}
memcpy(cmd->buf, _buf, buf_size);
cmd->valid = 1;
mutex_unlock(&hw_priv->wsm_cmd_save_mux);
}
return 0;
}
static int wsm_set_tx_rate_retry_policy_save_cmd(struct rk960_common *hw_priv,
u16 mibId, void *_buf,
size_t buf_size, int if_id)
{
struct wsm_com_cmd_s *cmd;
struct rk960_sended_wsm_cmds_s *cmds;
struct wsm_set_tx_rate_retry_policy *arg;
int i;
int idx = 0;
cmds = &hw_priv->wsm_cmds;
cmd = &cmds->wsm_wmib_tx_pol_cmd[if_id];
if (cmd->buf == _buf)
return 0;
RK960_DEBUG_FWREC("%s: idx %d if_id %d mibId 0x%04x buf_size %d",
__func__, idx, if_id, mibId, (int)buf_size);
arg = (struct wsm_set_tx_rate_retry_policy *)_buf;
for (i = 0; i < arg->hdr.numTxRatePolicies; i++) {
idx = arg->tbl[i].policyIndex;
//RK960_DEBUG_FWREC("i %d idx %d\n", i, idx);
memcpy(&hw_priv->wsm_tx_rate.tbl[idx], &arg->tbl[i],
sizeof(struct wsm_set_tx_rate_retry_policy_policy));
}
idx++;
if (idx > hw_priv->wsm_tx_rate.hdr.numTxRatePolicies)
hw_priv->wsm_tx_rate.hdr.numTxRatePolicies = idx;
BUG_ON(hw_priv->wsm_tx_rate.hdr.numTxRatePolicies > 8);
//RK960_DEBUG_FWREC("arg %d save %d\n",
// arg->hdr.numTxRatePolicies,
// hw_priv->wsm_tx_rate.hdr.numTxRatePolicies);
mutex_lock(&hw_priv->wsm_cmd_save_mux);
cmd->valid = 0;
cmd->cmd = 0x0006;
cmd->if_id = if_id;
cmd->mibId = mibId;
cmd->buf_size =
sizeof(struct wsm_set_tx_rate_retry_policy_header) +
hw_priv->wsm_tx_rate.hdr.numTxRatePolicies *
sizeof(struct wsm_set_tx_rate_retry_policy_policy);
if (!cmd->buf) {
cmd->buf = (void *)&hw_priv->wsm_tx_rate;
list_add_tail(&cmd->list, &hw_priv->wsm_cmds_list);
}
cmd->valid = 1;
mutex_unlock(&hw_priv->wsm_cmd_save_mux);
return 0;
}
static int wsm_map_link_save_cmd(struct rk960_common *hw_priv,
const struct wsm_map_link *arg, int if_id)
{
struct wsm_com_cmd_s *cmd;
if (if_id == -1)
if_id = 0;
if (if_id > 1 || arg->link_id >= WLAN_LINK_ID_MAX)
return 0;
cmd = &hw_priv->wsm_cmds.wsm_map_link_cmd[if_id][arg->link_id];
if (cmd->buf != arg) {
mutex_lock(&hw_priv->wsm_cmd_save_mux);
cmd->valid = 0;
cmd->cmd = 0x001C;
cmd->if_id = if_id;
if (!cmd->buf) {
cmd->buf = kmalloc(sizeof(*arg), GFP_KERNEL);
if (!cmd->buf) {
mutex_unlock(&hw_priv->wsm_cmd_save_mux);
return -ENOMEM;
}
list_add_tail(&cmd->list, &hw_priv->wsm_cmds_list);
}
memcpy(cmd->buf, arg, sizeof(*arg));
cmd->valid = 1;
mutex_unlock(&hw_priv->wsm_cmd_save_mux);
}
return 0;
}
static int wsm_unmap_link_save_cmd(struct rk960_common *hw_priv,
const struct wsm_map_link *arg, int if_id)
{
struct wsm_com_cmd_s *cmd;
if (if_id == -1)
if_id = 0;
if (if_id > 1 || arg->link_id >= WLAN_LINK_ID_MAX)
return 0;
mutex_lock(&hw_priv->wsm_cmd_save_mux);
cmd = &hw_priv->wsm_cmds.wsm_map_link_cmd[if_id][arg->link_id];
cmd->valid = 0;
if (cmd->buf) {
kfree(cmd->buf);
cmd->buf = NULL;
list_del(&cmd->list);
}
mutex_unlock(&hw_priv->wsm_cmd_save_mux);
return 0;
}
static int wsm_update_ie_cmd_save(struct rk960_common *hw_priv,
const struct wsm_update_ie *arg, int if_id)
{
struct wsm_com_cmd_s *cmd;
struct wsm_update_ie *argd;
int idx;
BUG_ON(if_id > 1);
if (if_id == -1)
if_id = 0;
if (arg->what == WSM_UPDATE_IE_BEACON)
idx = 0;
else if (arg->what == WSM_UPDATE_IE_PROBE_RESP)
idx = 1;
else
idx = 2;
cmd = &hw_priv->wsm_cmds.wsm_update_ie_cmd[if_id][idx];
if (cmd->buf != arg) {
mutex_lock(&hw_priv->wsm_cmd_save_mux);
cmd->valid = 0;
cmd->cmd = 0x001B;
cmd->if_id = if_id;
if (!cmd->buf) {
cmd->buf = kzalloc(sizeof(*arg), GFP_KERNEL);
if (!cmd->buf) {
mutex_unlock(&hw_priv->wsm_cmd_save_mux);
return -ENOMEM;
}
list_add_tail(&cmd->list, &hw_priv->wsm_cmds_list);
}
argd = (struct wsm_update_ie *)cmd->buf;
if (argd->ies)
kfree(argd->ies);
memcpy(cmd->buf, arg, sizeof(*arg));
argd->ies = kmalloc(arg->length, GFP_KERNEL);
if (!argd->ies) {
mutex_unlock(&hw_priv->wsm_cmd_save_mux);
return -ENOMEM;
}
memcpy(argd->ies, arg->ies, arg->length);
cmd->valid = 1;
mutex_unlock(&hw_priv->wsm_cmd_save_mux);
}
return 0;
}
int wsm_send_fw_recovery_cmd(struct rk960_common *hw_priv)
{
struct wsm_com_cmd_s *cmd;
struct wsm_join *join;
int i;
RK960_INFO_FWREC("%s\n", __func__);
wsm_oper_unlock(hw_priv);
list_for_each_entry(cmd, &hw_priv->wsm_cmds_list, list) {
RK960_DEBUG_FWREC("cmd 0x%04x mibId 0x%04x valid %d\n",
cmd->cmd, cmd->mibId, cmd->valid);
if (WARN_ON(!cmd->valid || !cmd->buf))
continue;
if (cmd->cmd == 0x0006) {
wsm_write_mib(hw_priv, cmd->mibId, cmd->buf,
cmd->buf_size, cmd->if_id);
} else if (cmd->cmd == 0x0009) {
wsm_configuration(hw_priv,
(struct wsm_configuration *)cmd->buf,
cmd->if_id);
} else if (cmd->cmd == 0x000B) {
join = (struct wsm_join *)cmd->buf;
join->probeForJoin = 0;
join->flags |= WSM_JOIN_FLAGS_FORCE;
wsm_join(hw_priv,
(struct wsm_join *)cmd->buf, cmd->if_id);
} else if (cmd->cmd == 0x0011) {
wsm_set_bss_params(hw_priv,
(struct wsm_set_bss_params *)cmd->
buf, cmd->if_id);
} else if (cmd->cmd == 0x000C) {
wsm_add_key(hw_priv,
(struct wsm_add_key *)cmd->buf, cmd->if_id);
} else if (cmd->cmd == 0x0012) {
wsm_set_tx_queue_params(hw_priv,
(struct wsm_set_tx_queue_params
*)cmd->buf, cmd->qid,
cmd->if_id);
} else if (cmd->cmd == 0x0013) {
wsm_set_edca_params(hw_priv,
(struct wsm_edca_params *)cmd->buf,
cmd->if_id);
} else if (cmd->cmd == 0x0010) {
/*//struct wsm_set_pm *pm;
//pm = (struct wsm_set_pm *)cmd->buf;
//pm->pmMode = WSM_PSM_ACTIVE;
wsm_set_pm(hw_priv,
(struct wsm_set_pm *)cmd->buf,
cmd->if_id); */
} else if (cmd->cmd == 0x0017) {
wsm_start(hw_priv,
(struct wsm_start *)cmd->buf, cmd->if_id);
} else if (cmd->cmd == 0x001C) {
wsm_map_link(hw_priv,
(struct wsm_map_link *)cmd->buf,
cmd->if_id);
} else if (cmd->cmd == 0x001B) {
wsm_update_ie(hw_priv,
(struct wsm_update_ie *)cmd->buf,
cmd->if_id);
} else {
RK960_ERROR_FWREC("%s: error cmd 0x%04x\n",
__func__, cmd->cmd);
WARN_ON(1);
}
}
// set pm at last
for (i = 0; i < 2; i++) {
cmd = &hw_priv->wsm_cmds.wsm_set_pm_cmd[i];
if (!cmd->valid || !cmd->buf)
continue;
wsm_set_pm(hw_priv, (struct wsm_set_pm *)cmd->buf, cmd->if_id);
}
return 0;
}
void wsm_sended_cmds_init(struct rk960_common *hw_priv)
{
mutex_lock(&hw_priv->wsm_cmd_save_mux);
memset(&hw_priv->wsm_cmds, 0, sizeof(struct rk960_sended_wsm_cmds_s));
memset(&hw_priv->wsm_tx_rate, 0,
sizeof(struct wsm_set_tx_rate_retry_policy));
mutex_unlock(&hw_priv->wsm_cmd_save_mux);
}
void wsm_sended_cmds_deinit(struct rk960_common *hw_priv)
{
struct wsm_com_cmd_s *cmd;
mutex_lock(&hw_priv->wsm_cmd_save_mux);
list_for_each_entry(cmd, &hw_priv->wsm_cmds_list, list) {
if (cmd->buf) {
if (cmd->cmd == 0x000C)
continue;
if (cmd->cmd == 0x0006 &&
cmd->mibId == WSM_MIB_ID_SET_TX_RATE_RETRY_POLICY)
continue;
if (cmd->cmd == 0x001B) {
struct wsm_update_ie *argd;
argd = (struct wsm_update_ie *)cmd->buf;
if (argd->ies)
kfree(argd->ies);
}
kfree(cmd->buf);
}
}
mutex_unlock(&hw_priv->wsm_cmd_save_mux);
}
static int wsm_mem_rw_confirm(struct rk960_common *hw_priv,
void *arg, struct wsm_buf *buf)
{
u32 status = WSM_GET32(buf);
if (status != WSM_STATUS_SUCCESS) {
RK960_ERROR_WSM("%s: failed (status %d)\n", __func__, status);
return -EINVAL;
}
memcpy(hw_priv->debug_dump_data, buf->data, hw_priv->mem_rw_len);
hw_priv->debug_dump_ready = 1;
wake_up(&hw_priv->debug_dump_done);
return 0;
underflow:
WARN_ON(1);
return -EINVAL;
}
static int wsm_adc_read_confirm(struct rk960_common *hw_priv,
void *arg, struct wsm_buf *buf)
{
u32 status = WSM_GET32(buf);
if (status != WSM_STATUS_SUCCESS) {
RK960_ERROR_WSM("%s: failed (status %d)\n", __func__, status);
return -EINVAL;
}
WSM_GET32(buf);
WSM_GET32(buf);
memcpy(hw_priv->debug_dump_data + hw_priv->debug_adc_offset,
buf->data, hw_priv->debug_adc_block);
hw_priv->debug_adc_offset += hw_priv->debug_adc_block;
if (hw_priv->debug_adc_offset == hw_priv->debug_adc_size) {
hw_priv->debug_dump_ready = 1;
wake_up(&hw_priv->debug_dump_done);
}
return 0;
underflow:
WARN_ON(1);
return -EINVAL;
}
static int wsm_generic_confirm(struct rk960_common *hw_priv,
void *arg, struct wsm_buf *buf)
{
u32 status = WSM_GET32(buf);
if (status != WSM_STATUS_SUCCESS) {
RK960_ERROR_WSM("%s: failed (status %d)\n", __func__, status);
return -EINVAL;
}
return 0;
underflow:
WARN_ON(1);
return -EINVAL;
}
int wsm_configuration(struct rk960_common *hw_priv,
struct wsm_configuration *arg, int if_id)
{
int ret;
struct wsm_buf *buf = &hw_priv->wsm_cmd_buf;
WSM_COM_CMD_SAVE(struct wsm_configuration,
wsm_configuration_cmd, 0x0009, 0);
wsm_cmd_lock(hw_priv);
WSM_PUT32(buf, arg->dot11MaxTransmitMsduLifeTime);
WSM_PUT32(buf, arg->dot11MaxReceiveLifeTime);
WSM_PUT32(buf, arg->dot11RtsThreshold);
/* DPD block. */
WSM_PUT16(buf, arg->dpdData_size + 12);
WSM_PUT16(buf, 1); /* DPD version */
WSM_PUT(buf, arg->dot11StationId, ETH_ALEN);
WSM_PUT16(buf, 5); /* DPD flags */
if (arg->dpdData_size)
WSM_PUT(buf, arg->dpdData, arg->dpdData_size);
ret = wsm_cmd_send(hw_priv, buf, arg, 0x0009, WSM_CMD_TIMEOUT, if_id);
wsm_cmd_unlock(hw_priv);
return ret;
nomem:
wsm_cmd_unlock(hw_priv);
return -ENOMEM;
}
static int wsm_configuration_confirm(struct rk960_common *hw_priv,
struct wsm_configuration *arg,
struct wsm_buf *buf)
{
int i;
int status;
status = WSM_GET32(buf);
if (WARN_ON(status != WSM_STATUS_SUCCESS))
return -EINVAL;
WSM_GET(buf, arg->dot11StationId, ETH_ALEN);
arg->dot11FrequencyBandsSupported = WSM_GET8(buf);
WSM_SKIP(buf, 1);
arg->supportedRateMask = WSM_GET32(buf);
for (i = 0; i < 2; ++i) {
arg->txPowerRange[i].min_power_level = WSM_GET32(buf);
arg->txPowerRange[i].max_power_level = WSM_GET32(buf);
arg->txPowerRange[i].stepping = WSM_GET32(buf);
}
return 0;
underflow:
WARN_ON(1);
return -EINVAL;
}
/* ******************************************************************** */
int wsm_mem_rw(struct rk960_common *hw_priv, const struct wsm_mem_rw *arg,
int rw, int if_id)
{
int ret;
struct wsm_buf *buf = &hw_priv->wsm_cmd_buf;
u16 cmd;
if (rw) // read
cmd = 0x0000 | WSM_TX_LINK_ID(arg->link_id);
else // write
cmd = 0x0001 | WSM_TX_LINK_ID(arg->link_id);
wsm_cmd_lock(hw_priv);
WSM_PUT32(buf, arg->address);
WSM_PUT16(buf, arg->length);
WSM_PUT16(buf, arg->flags);
if (!rw) // only support write one word now
WSM_PUT32(buf, arg->data[0]);
ret = wsm_cmd_send(hw_priv, buf, NULL, cmd, WSM_CMD_RESET_TIMEOUT,
if_id);
wsm_cmd_unlock(hw_priv);
return ret;
nomem:
wsm_cmd_unlock(hw_priv);
return -ENOMEM;
}
int wsm_adc_data_read(struct rk960_common *hw_priv,
const struct wsm_adc_data_r *arg, int if_id)
{
int ret;
struct wsm_buf *buf = &hw_priv->wsm_cmd_buf;
u16 cmd;
cmd = 0x0024;
wsm_cmd_lock(hw_priv);
WSM_PUT32(buf, arg->size);
WSM_PUT32(buf, arg->block);
WSM_PUT32(buf, arg->offset);
WSM_PUT32(buf, arg->channel);
WSM_PUT32(buf, arg->count);
WSM_PUT32(buf, arg->abbf);
WSM_PUT32(buf, arg->lna);
ret = wsm_cmd_send(hw_priv, buf, NULL, cmd, WSM_CMD_RESET_TIMEOUT,
if_id);
wsm_cmd_unlock(hw_priv);
return ret;
nomem:
wsm_cmd_unlock(hw_priv);
return -ENOMEM;
}
int wsm_reset(struct rk960_common *hw_priv, const struct wsm_reset *arg,
int if_id)
{
int ret;
struct wsm_buf *buf = &hw_priv->wsm_cmd_buf;
u16 cmd = 0x000A | WSM_TX_LINK_ID(arg->link_id);
if (if_id == RK960_GENERIC_IF_ID && hw_priv->fw_error_processing)
return -ENOMEM;
if (wsm_reset_cmd_save(hw_priv, arg, if_id))
return -ENOMEM;
wsm_cmd_lock(hw_priv);
WSM_PUT32(buf, arg->reset_statistics ? 0 : 1);
ret = wsm_cmd_send(hw_priv, buf, NULL, cmd, WSM_CMD_RESET_TIMEOUT,
if_id);
wsm_cmd_unlock(hw_priv);
return ret;
nomem:
wsm_cmd_unlock(hw_priv);
return -ENOMEM;
}
/* ******************************************************************** */
struct wsm_mib {
u16 mibId;
void *buf;
size_t buf_size;
};
int wsm_read_mib(struct rk960_common *hw_priv, u16 mibId, void *_buf,
size_t buf_size)
{
int ret;
struct wsm_buf *buf = &hw_priv->wsm_cmd_buf;
struct wsm_mib mib_buf = {
.mibId = mibId,
.buf = _buf,
.buf_size = buf_size,
};
if (hw_priv->fw_error_processing)
return -EINVAL;
wsm_cmd_lock(hw_priv);
WSM_PUT16(buf, mibId);
WSM_PUT16(buf, 0);
ret = wsm_cmd_send(hw_priv, buf, &mib_buf, 0x0005, WSM_CMD_TIMEOUT, -1);
wsm_cmd_unlock(hw_priv);
return ret;
nomem:
wsm_cmd_unlock(hw_priv);
return -ENOMEM;
}
static int wsm_read_mib_confirm(struct rk960_common *hw_priv,
struct wsm_mib *arg, struct wsm_buf *buf)
{
u16 size;
if (WARN_ON(WSM_GET32(buf) != WSM_STATUS_SUCCESS))
return -EINVAL;
if (WARN_ON(WSM_GET16(buf) != arg->mibId))
return -EINVAL;
size = WSM_GET16(buf);
if (size > arg->buf_size)
size = arg->buf_size;
WSM_GET(buf, arg->buf, size);
arg->buf_size = size;
return 0;
underflow:
WARN_ON(1);
return -EINVAL;
}
/* ******************************************************************** */
int wsm_write_mib(struct rk960_common *hw_priv, u16 mibId, void *_buf,
size_t buf_size, int if_id)
{
int ret;
struct wsm_buf *buf = &hw_priv->wsm_cmd_buf;
struct wsm_mib mib_buf = {
.mibId = mibId,
.buf = _buf,
.buf_size = buf_size,
};
if (mibId == WSM_MIB_ID_SET_TX_RATE_RETRY_POLICY)
wsm_set_tx_rate_retry_policy_save_cmd(hw_priv,
mibId, _buf, buf_size,
if_id);
if (wsm_write_mib_cmd_save(hw_priv, mibId, _buf, buf_size, if_id))
return -ENOMEM;
wsm_cmd_lock(hw_priv);
WSM_PUT16(buf, mibId);
WSM_PUT16(buf, buf_size);
WSM_PUT(buf, _buf, buf_size);
ret = wsm_cmd_send(hw_priv, buf, &mib_buf, 0x0006, WSM_CMD_TIMEOUT,
if_id);
wsm_cmd_unlock(hw_priv);
return ret;
nomem:
wsm_cmd_unlock(hw_priv);
return -ENOMEM;
}
static int wsm_write_mib_confirm(struct rk960_common *hw_priv,
struct wsm_mib *arg,
struct wsm_buf *buf, int interface_link_id)
{
int ret;
struct rk960_vif *priv;
if (!is_hardware_version1(hw_priv) || is_hardware_version2(hw_priv))
interface_link_id = 0;
ret = wsm_generic_confirm(hw_priv, arg, buf);
if (ret)
return ret;
if (arg && arg->mibId == 0x1006) {
const char *p = arg->buf;
/* Power save is enabled before add_interface is called */
if (!hw_priv->vif_list[interface_link_id])
return 0;
/* OperationalMode: update PM status. */
priv = rk960_hwpriv_to_vifpriv(hw_priv, interface_link_id);
if (!priv)
return 0;
rk960_enable_powersave(priv, (p[0] & 0x0F) ? true : false);
rk960_priv_vif_list_read_unlock(&priv->vif_lock);
}
return 0;
}
int wsm_set_csync_thr(struct rk960_common *hw_priv, s8 csync, int if_id)
{
#ifdef RK960_CSYNC_ADJUST
struct wsm_csync_thr arg;
if (csync == hw_priv->fw_csync)
return 0;
RK960_DEBUG_WSM("%s: %d\n", __func__, csync);
arg.csync = csync;
hw_priv->fw_csync = csync;
if (csync <= -80)
arg.csync = 0;
return wsm_write_mib(hw_priv, WSM_MIB_ID_SET_CSYNC_THR,
&arg, sizeof(arg), if_id);
#else
return 0;
#endif
}
int wsm_set_output_power(struct rk960_common *hw_priv,
int power_level, int if_id)
{
__le32 val = __cpu_to_le32(power_level);
hw_priv->fw_output_power = power_level;
return wsm_write_mib(hw_priv, WSM_MIB_ID_DOT11_CURRENT_TX_POWER_LEVEL,
&val, sizeof(val), if_id);
}
int wsm_set_txpwr_comp(struct rk960_common *hw_priv)
{
return wsm_write_mib(hw_priv, WSM_MIB_ID_SET_TXPWR_COMP,
hw_priv->txpwr_comp_tbl,
sizeof(hw_priv->txpwr_comp_tbl), 0);
}
int wsm_set_beacon_wakeup_period(struct rk960_common *hw_priv,
unsigned dtim_interval,
unsigned listen_interval,
int if_id)
{
struct {
u8 numBeaconPeriods;
u8 reserved;
__le16 listenInterval;
} val = {
dtim_interval, 0, __cpu_to_le16(listen_interval)};
hw_priv->dtim_interval = dtim_interval;
hw_priv->listen_interval = listen_interval;
//pr_info("dtim_interval %d listen_interval %d\n", dtim_interval, listen_interval);
if (dtim_interval > 0xFF || listen_interval > 0xFFFF)
return -EINVAL;
else
return wsm_write_mib(hw_priv, WSM_MIB_ID_BEACON_WAKEUP_PERIOD,
&val, sizeof(val), if_id);
}
/* ******************************************************************** */
int wsm_scan(struct rk960_common *hw_priv, const struct wsm_scan *arg,
int if_id)
{
int i;
int ret;
struct wsm_buf *buf = &hw_priv->wsm_cmd_buf;
int rftest = 0;
if (hw_priv->fw_error_processing)
return -EINVAL;
if (unlikely(arg->numOfChannels > 48))
return -EINVAL;
/*if (unlikely(arg->numOfSSIDs > WSM_SCAN_MAX_NUM_OF_SSIDS))
return -EINVAL; */
if (unlikely(arg->band > 1))
return -EINVAL;
if (arg->numOfProbeRequests >= 0xf0) {
RK960_INFO_WSM("%s: for rftest\n", __func__);
rftest = 1;
}
if (!rftest)
wsm_oper_lock(hw_priv);
wsm_cmd_lock(hw_priv);
WSM_PUT8(buf, arg->band);
WSM_PUT8(buf, arg->scanType);
WSM_PUT8(buf, arg->scanFlags);
WSM_PUT8(buf, arg->maxTransmitRate);
WSM_PUT32(buf, arg->autoScanInterval);
WSM_PUT8(buf, arg->numOfProbeRequests);
WSM_PUT8(buf, arg->numOfChannels);
WSM_PUT8(buf, arg->numOfSSIDs);
WSM_PUT8(buf, arg->probeDelay);
/*pr_info("band %x scanType %x scanFlags %x\n",
arg->band, arg->scanType, arg->scanFlags);
pr_info("maxTransmitRate %x autoScanInterval %x"
" numOfProbeRequests %x\n",
arg->maxTransmitRate, arg->autoScanInterval,
arg->numOfProbeRequests);
pr_info("numOfChannels %x numOfSSIDs %x probeDelay %x\n",
arg->numOfChannels, arg->numOfSSIDs,
arg->probeDelay);*/
for (i = 0; i < arg->numOfChannels; ++i) {
/*pr_info("ch %d minChannelTime %d maxChannelTime %d\n",
arg->ch[i].number,
arg->ch[i].minChannelTime,
arg->ch[i].maxChannelTime);*/
WSM_PUT16(buf, arg->ch[i].number);
WSM_PUT16(buf, 0);
WSM_PUT32(buf, arg->ch[i].minChannelTime);
WSM_PUT32(buf, arg->ch[i].maxChannelTime);
WSM_PUT32(buf, 0);
}
for (i = 0; i < arg->numOfSSIDs; ++i) {
//pr_info("ssid len %d\n", arg->ssids[i].length);
WSM_PUT32(buf, arg->ssids[i].length);
WSM_PUT(buf, &arg->ssids[i].ssid[0],
sizeof(arg->ssids[i].ssid));
}
ret = wsm_cmd_send(hw_priv, buf, NULL, 0x0007, WSM_CMD_TIMEOUT, if_id);
wsm_cmd_unlock(hw_priv);
if (ret && !rftest)
wsm_oper_unlock(hw_priv);
return ret;
nomem:
wsm_cmd_unlock(hw_priv);
if (!rftest)
wsm_oper_unlock(hw_priv);
return -ENOMEM;
}
/* ******************************************************************** */
int wsm_stop_scan(struct rk960_common *hw_priv, int if_id)
{
int ret;
struct wsm_buf *buf = &hw_priv->wsm_cmd_buf;
if (hw_priv->fw_error_processing)
return -EINVAL;
wsm_cmd_lock(hw_priv);
ret = wsm_cmd_send(hw_priv, buf, NULL, 0x0008, WSM_CMD_TIMEOUT, if_id);
wsm_cmd_unlock(hw_priv);
return ret;
}
static int wsm_tx_confirm(struct rk960_common *hw_priv,
struct wsm_buf *buf, int interface_link_id, int last)
{
struct wsm_tx_confirm tx_confirm;
#ifdef RK960_SDIO_TX_TP_TEST
return 0;
#endif
tx_confirm.packetID = WSM_GET32(buf);
tx_confirm.status = WSM_GET32(buf);
tx_confirm.txedRate = WSM_GET8(buf);
tx_confirm.ackFailures = WSM_GET8(buf);
tx_confirm.flags = WSM_GET16(buf);
tx_confirm.mediaDelay = WSM_GET32(buf);
tx_confirm.txQueueDelay = WSM_GET32(buf);
if (last && (buf->end - buf->data >= sizeof(struct wsm_rec_info)))
WSM_GET(buf, &hw_priv->wsm_rec_info,
sizeof(struct wsm_rec_info));
if (is_hardware_version1(hw_priv) || is_hardware_version2(hw_priv)) {
/* TODO:COMBO:linkID will be stored in packetID */
/* TODO:COMBO: Extract traffic resumption map */
tx_confirm.if_id = rk960_queue_get_if_id(tx_confirm.packetID);
tx_confirm.link_id =
rk960_queue_get_link_id(tx_confirm.packetID);
} else {
tx_confirm.link_id = interface_link_id;
tx_confirm.if_id = 0;
}
RK960_DEBUG_WSM("wsm_tx_confirm: pid %x sta %d rate %d"
" ackf %d flags %d media %d txq %d link_id %d if_id %d %d\n",
tx_confirm.packetID,
tx_confirm.status, tx_confirm.txedRate,
tx_confirm.ackFailures, tx_confirm.flags,
tx_confirm.mediaDelay, tx_confirm.txQueueDelay,
tx_confirm.link_id, tx_confirm.if_id,
hw_priv->hw_bufs_used);
wsm_release_vif_tx_buffer(hw_priv, tx_confirm.if_id, 1);
if (hw_priv->wsm_cbc.tx_confirm)
hw_priv->wsm_cbc.tx_confirm(hw_priv, &tx_confirm);
#ifdef DISABLE_MULTI_WSM_TX
if (hw_priv->tx_pending != 1)
WARN_ON(1);
hw_priv->tx_pending--;
rk960_bh_wakeup(hw_priv);
#endif
return 0;
underflow:
WARN_ON(1);
return -EINVAL;
}
int rk960_pending_tx_confirm(struct rk960_common *hw_priv,
int if_id, u32 packetID)
{
struct wsm_tx_confirm tx_confirm;
memset(&tx_confirm, 0, sizeof(struct wsm_tx_confirm));
tx_confirm.packetID = packetID;
tx_confirm.status = WSM_STATUS_RETRY_EXCEEDED;
tx_confirm.ackFailures = 10;
tx_confirm.if_id = if_id;
if (hw_priv->hw_bufs_used_vif[if_id] >= 1)
wsm_release_vif_tx_buffer(hw_priv, tx_confirm.if_id, 1);
if (hw_priv->wsm_cbc.tx_confirm)
hw_priv->wsm_cbc.tx_confirm(hw_priv, &tx_confirm);
return 0;
}
static int wsm_multi_tx_confirm(struct rk960_common *hw_priv,
struct wsm_buf *buf, int interface_link_id)
{
// struct rk960_vif *priv;
int ret;
int count;
int i;
count = WSM_GET32(buf);
//pr_info("tx multi conf %d\n", count);
if (WARN_ON(count <= 0))
return -EINVAL;
else if (count > 1) {
ret = wsm_release_tx_buffer(hw_priv, count - 1);
if (ret < 0)
return ret;
else if (ret > 0)
rk960_bh_wakeup(hw_priv);
}
/*priv = rk960_hwpriv_to_vifpriv(hw_priv, interface_link_id);
if (priv) {
rk960_debug_txed_multi(priv, count);
rk960_priv_vif_list_read_unlock(&priv->vif_lock);
} */
for (i = 0; i < count; ++i) {
ret = wsm_tx_confirm(hw_priv, buf, interface_link_id,
i + 1 == count);
if (ret)
return ret;
}
return ret;
underflow:
WARN_ON(1);
return -EINVAL;
}
/* ******************************************************************** */
static int wsm_join_confirm(struct rk960_common *hw_priv,
struct wsm_join *arg, struct wsm_buf *buf)
{
u32 status;
wsm_oper_unlock(hw_priv);
status = WSM_GET32(buf);
if ( /*WARN_ON */ (status != WSM_STATUS_SUCCESS)) {
RK960_ERROR_WSM("%s faile status %d\n", __func__, status);
wsm_join_confirm_cmd_save(hw_priv, arg);
return -EINVAL;
}
arg->minPowerLevel = WSM_GET32(buf);
arg->maxPowerLevel = WSM_GET32(buf);
return 0;
underflow:
WARN_ON(1);
return -EINVAL;
}
int wsm_join(struct rk960_common *hw_priv, struct wsm_join *arg, int if_id)
/*TODO: combo: make it work per vif.*/
{
int ret;
struct wsm_buf *buf = &hw_priv->wsm_cmd_buf;
WSM_COM_CMD_SAVE(struct wsm_join, wsm_join_cmd, 0x000B, 0);
wsm_oper_lock(hw_priv);
wsm_cmd_lock(hw_priv);
WSM_PUT8(buf, arg->mode);
WSM_PUT8(buf, arg->band);
WSM_PUT16(buf, arg->channelNumber);
WSM_PUT(buf, &arg->bssid[0], sizeof(arg->bssid));
WSM_PUT16(buf, arg->atimWindow);
WSM_PUT8(buf, arg->preambleType);
WSM_PUT8(buf, arg->probeForJoin);
WSM_PUT8(buf, arg->dtimPeriod);
WSM_PUT8(buf, arg->flags);
WSM_PUT32(buf, arg->ssidLength);
WSM_PUT(buf, &arg->ssid[0], sizeof(arg->ssid));
WSM_PUT32(buf, arg->beaconInterval);
WSM_PUT32(buf, arg->basicRateSet);
hw_priv->tx_burst_idx = -1;
ret = wsm_cmd_send(hw_priv, buf, arg, 0x000B, WSM_CMD_JOIN_TIMEOUT,
if_id);
wsm_cmd_unlock(hw_priv);
return ret;
nomem:
wsm_cmd_unlock(hw_priv);
wsm_oper_unlock(hw_priv);
return -ENOMEM;
}
/* ******************************************************************** */
int wsm_set_bss_params(struct rk960_common *hw_priv,
const struct wsm_set_bss_params *arg, int if_id)
{
int ret;
struct wsm_buf *buf = &hw_priv->wsm_cmd_buf;
WSM_COM_CMD_SAVE(struct wsm_set_bss_params,
wsm_set_bss_params_cmd, 0x0011, 0);
wsm_cmd_lock(hw_priv);
WSM_PUT8(buf, 0);
WSM_PUT8(buf, arg->beaconLostCount);
WSM_PUT16(buf, arg->aid);
WSM_PUT32(buf, arg->operationalRateSet);
ret = wsm_cmd_send(hw_priv, buf, NULL, 0x0011, WSM_CMD_TIMEOUT, if_id);
wsm_cmd_unlock(hw_priv);
return ret;
nomem:
wsm_cmd_unlock(hw_priv);
return -ENOMEM;
}
/* ******************************************************************** */
int wsm_add_key(struct rk960_common *hw_priv, const struct wsm_add_key *arg,
int if_id)
{
int ret;
struct wsm_buf *buf = &hw_priv->wsm_cmd_buf;
if (wsm_add_key_cmd_save(hw_priv, arg, if_id))
return -ENOMEM;
wsm_cmd_lock(hw_priv);
WSM_PUT(buf, arg, sizeof(*arg));
ret = wsm_cmd_send(hw_priv, buf, NULL, 0x000C, WSM_CMD_TIMEOUT, if_id);
wsm_cmd_unlock(hw_priv);
return ret;
nomem:
wsm_cmd_unlock(hw_priv);
return -ENOMEM;
}
/* ******************************************************************** */
int wsm_remove_key(struct rk960_common *hw_priv,
const struct wsm_remove_key *arg, int if_id)
{
int ret;
struct wsm_buf *buf = &hw_priv->wsm_cmd_buf;
if (wsm_remove_key_cmd_save(hw_priv, arg, if_id))
return -ENOMEM;
wsm_cmd_lock(hw_priv);
WSM_PUT8(buf, arg->entryIndex);
WSM_PUT8(buf, 0);
WSM_PUT16(buf, 0);
ret = wsm_cmd_send(hw_priv, buf, NULL, 0x000D, WSM_CMD_TIMEOUT, if_id);
wsm_cmd_unlock(hw_priv);
return ret;
nomem:
wsm_cmd_unlock(hw_priv);
return -ENOMEM;
}
/* ******************************************************************** */
int wsm_set_tx_queue_params(struct rk960_common *hw_priv,
const struct wsm_set_tx_queue_params *arg,
u8 id, int if_id)
{
int ret;
struct wsm_buf *buf = &hw_priv->wsm_cmd_buf;
u8 queue_id_to_wmm_aci[] = { 3, 2, 0, 1 };
WSM_COM_CMD_SAVE(struct wsm_set_tx_queue_params,
wsm_set_tx_queue_params_cmd, 0x0012, id);
wsm_cmd_lock(hw_priv);
WSM_PUT8(buf, queue_id_to_wmm_aci[id]);
WSM_PUT8(buf, 0);
WSM_PUT8(buf, arg->ackPolicy);
WSM_PUT8(buf, 0);
WSM_PUT32(buf, arg->maxTransmitLifetime);
WSM_PUT16(buf, arg->allowedMediumTime);
WSM_PUT16(buf, 0);
ret = wsm_cmd_send(hw_priv, buf, NULL, 0x0012, WSM_CMD_TIMEOUT, if_id);
wsm_cmd_unlock(hw_priv);
return ret;
nomem:
wsm_cmd_unlock(hw_priv);
return -ENOMEM;
}
/* ******************************************************************** */
int wsm_set_edca_params(struct rk960_common *hw_priv,
const struct wsm_edca_params *arg, int if_id)
{
int ret;
struct wsm_buf *buf = &hw_priv->wsm_cmd_buf;
WSM_COM_CMD_SAVE(struct wsm_edca_params,
wsm_set_edca_params_cmd, 0x0013, 0);
wsm_cmd_lock(hw_priv);
/* Implemented according to specification. */
WSM_PUT16(buf, arg->params[3].cwMin);
WSM_PUT16(buf, arg->params[2].cwMin);
WSM_PUT16(buf, arg->params[1].cwMin);
WSM_PUT16(buf, arg->params[0].cwMin);
WSM_PUT16(buf, arg->params[3].cwMax);
WSM_PUT16(buf, arg->params[2].cwMax);
WSM_PUT16(buf, arg->params[1].cwMax);
WSM_PUT16(buf, arg->params[0].cwMax);
WSM_PUT8(buf, arg->params[3].aifns);
WSM_PUT8(buf, arg->params[2].aifns);
WSM_PUT8(buf, arg->params[1].aifns);
WSM_PUT8(buf, arg->params[0].aifns);
WSM_PUT16(buf, arg->params[3].txOpLimit);
WSM_PUT16(buf, arg->params[2].txOpLimit);
WSM_PUT16(buf, arg->params[1].txOpLimit);
WSM_PUT16(buf, arg->params[0].txOpLimit);
WSM_PUT32(buf, arg->params[3].maxReceiveLifetime);
WSM_PUT32(buf, arg->params[2].maxReceiveLifetime);
WSM_PUT32(buf, arg->params[1].maxReceiveLifetime);
WSM_PUT32(buf, arg->params[0].maxReceiveLifetime);
ret = wsm_cmd_send(hw_priv, buf, NULL, 0x0013, WSM_CMD_TIMEOUT, if_id);
wsm_cmd_unlock(hw_priv);
return ret;
nomem:
wsm_cmd_unlock(hw_priv);
return -ENOMEM;
}
/* ******************************************************************** */
int wsm_switch_channel(struct rk960_common *hw_priv,
const struct wsm_switch_channel *arg, int if_id)
{
int ret;
struct wsm_buf *buf = &hw_priv->wsm_cmd_buf;
if (hw_priv->fw_error_processing)
return -EINVAL;
wsm_lock_tx(hw_priv);
wsm_cmd_lock(hw_priv);
WSM_PUT8(buf, arg->channelMode);
WSM_PUT8(buf, arg->channelSwitchCount);
WSM_PUT16(buf, arg->newChannelNumber);
hw_priv->channel_switch_in_progress = 1;
ret = wsm_cmd_send(hw_priv, buf, NULL, 0x0016, WSM_CMD_TIMEOUT, if_id);
wsm_cmd_unlock(hw_priv);
if (ret) {
wsm_unlock_tx(hw_priv);
hw_priv->channel_switch_in_progress = 0;
}
return ret;
nomem:
wsm_cmd_unlock(hw_priv);
wsm_unlock_tx(hw_priv);
return -ENOMEM;
}
/* ******************************************************************** */
int wsm_set_pm(struct rk960_common *hw_priv, const struct wsm_set_pm *arg,
int if_id)
{
int ret;
struct wsm_buf *buf = &hw_priv->wsm_cmd_buf;
RK960_DEBUG_WSM("%s: pmMode %x\n", __func__, arg->pmMode);
WSM_COM_CMD_SAVE(struct wsm_set_pm, wsm_set_pm_cmd, 0x0010, 0);
wsm_oper_lock(hw_priv);
wsm_cmd_lock(hw_priv);
WSM_PUT8(buf, arg->pmMode);
WSM_PUT8(buf, arg->fastPsmIdlePeriod);
WSM_PUT8(buf, arg->apPsmChangePeriod);
WSM_PUT8(buf, arg->minAutoPsPollPeriod);
hw_priv->ps_mode_switch_in_progress = 1;
ret = wsm_cmd_send(hw_priv, buf, NULL, 0x0010, WSM_CMD_TIMEOUT, if_id);
wsm_cmd_unlock(hw_priv);
if (ret)
wsm_oper_unlock(hw_priv);
return ret;
nomem:
wsm_cmd_unlock(hw_priv);
wsm_oper_unlock(hw_priv);
return -ENOMEM;
}
/* ******************************************************************** */
int wsm_start(struct rk960_common *hw_priv, const struct wsm_start *arg,
int if_id)
{
int ret;
struct wsm_buf *buf = &hw_priv->wsm_cmd_buf;
if (if_id == RK960_GENERIC_IF_ID && hw_priv->fw_error_processing)
return -ENOMEM;
WSM_COM_CMD_SAVE(struct wsm_start, wsm_start_cmd, 0x0017, 0);
wsm_cmd_lock(hw_priv);
WSM_PUT8(buf, arg->mode);
WSM_PUT8(buf, arg->band);
WSM_PUT16(buf, arg->channelNumber);
WSM_PUT32(buf, arg->CTWindow);
WSM_PUT32(buf, arg->beaconInterval);
WSM_PUT8(buf, arg->DTIMPeriod);
WSM_PUT8(buf, arg->preambleType);
WSM_PUT8(buf, arg->probeDelay);
WSM_PUT8(buf, arg->ssidLength);
WSM_PUT(buf, arg->ssid, sizeof(arg->ssid));
WSM_PUT32(buf, arg->basicRateSet);
RK960_DEBUG_WSM("%s: mode %d ch %d ssid %s\n", __func__,
arg->mode & 0xF, arg->channelNumber, arg->ssid);
hw_priv->tx_burst_idx = -1;
ret = wsm_cmd_send(hw_priv, buf, NULL, 0x0017, WSM_CMD_START_TIMEOUT,
if_id);
wsm_cmd_unlock(hw_priv);
return ret;
nomem:
wsm_cmd_unlock(hw_priv);
return -ENOMEM;
}
#if 0
/* This API is no longer present in WSC */
/* ******************************************************************** */
int wsm_beacon_transmit(struct rk960_common *hw_priv,
const struct wsm_beacon_transmit *arg, int if_id)
{
int ret;
struct wsm_buf *buf = &hw_priv->wsm_cmd_buf;
wsm_cmd_lock(hw_priv);
WSM_PUT32(buf, arg->enableBeaconing ? 1 : 0);
ret = wsm_cmd_send(hw_priv, buf, NULL, 0x0018, WSM_CMD_TIMEOUT, if_id);
wsm_cmd_unlock(hw_priv);
return ret;
nomem:
wsm_cmd_unlock(hw_priv);
return -ENOMEM;
}
#endif
/* ******************************************************************** */
int wsm_start_find(struct rk960_common *hw_priv, int if_id)
{
int ret;
struct wsm_buf *buf = &hw_priv->wsm_cmd_buf;
if (hw_priv->fw_error_processing)
return -EINVAL;
wsm_cmd_lock(hw_priv);
ret = wsm_cmd_send(hw_priv, buf, NULL, 0x0019, WSM_CMD_TIMEOUT, if_id);
wsm_cmd_unlock(hw_priv);
return ret;
}
/* ******************************************************************** */
int wsm_stop_find(struct rk960_common *hw_priv, int if_id)
{
int ret;
struct wsm_buf *buf = &hw_priv->wsm_cmd_buf;
if (hw_priv->fw_error_processing)
return -EINVAL;
wsm_cmd_lock(hw_priv);
ret = wsm_cmd_send(hw_priv, buf, NULL, 0x001A, WSM_CMD_TIMEOUT, if_id);
wsm_cmd_unlock(hw_priv);
return ret;
}
/* ******************************************************************** */
int wsm_map_link(struct rk960_common *hw_priv, const struct wsm_map_link *arg,
int if_id)
{
int ret;
struct wsm_buf *buf = &hw_priv->wsm_cmd_buf;
u16 cmd = 0x001C;
RK960_DEBUG_WSM("LDB: %s link: if_id %d link_id %d %pM\n",
arg->unmap ? "unmap" : "map", if_id,
arg->link_id, &arg->mac_addr[0]);
if (arg->unmap)
wsm_unmap_link_save_cmd(hw_priv, arg, if_id);
else
wsm_map_link_save_cmd(hw_priv, arg, if_id);
wsm_cmd_lock(hw_priv);
WSM_PUT(buf, &arg->mac_addr[0], sizeof(arg->mac_addr));
if (is_hardware_version1(hw_priv) || is_hardware_version2(hw_priv)) {
WSM_PUT8(buf, arg->unmap);
WSM_PUT8(buf, arg->link_id);
} else {
cmd |= WSM_TX_LINK_ID(arg->link_id);
WSM_PUT16(buf, 0);
}
ret = wsm_cmd_send(hw_priv, buf, NULL, cmd, WSM_CMD_TIMEOUT, if_id);
wsm_cmd_unlock(hw_priv);
return ret;
nomem:
wsm_cmd_unlock(hw_priv);
return -ENOMEM;
}
/* ******************************************************************** */
int wsm_update_ie(struct rk960_common *hw_priv,
const struct wsm_update_ie *arg, int if_id)
{
int ret;
struct wsm_buf *buf = &hw_priv->wsm_cmd_buf;
if (wsm_update_ie_cmd_save(hw_priv, arg, if_id))
return -ENOMEM;
wsm_cmd_lock(hw_priv);
WSM_PUT16(buf, arg->what);
WSM_PUT16(buf, arg->count);
WSM_PUT(buf, arg->ies, arg->length);
ret = wsm_cmd_send(hw_priv, buf, NULL, 0x001B, WSM_CMD_TIMEOUT, if_id);
wsm_cmd_unlock(hw_priv);
return ret;
nomem:
wsm_cmd_unlock(hw_priv);
return -ENOMEM;
}
/* ******************************************************************** */
#ifdef MCAST_FWDING
/* 3.66 */
static int wsm_give_buffer_confirm(struct rk960_common *hw_priv,
struct wsm_buf *buf)
{
RK960_DEBUG_WSM("[WSM] HW Buf count %d\n", hw_priv->hw_bufs_used);
if (!hw_priv->hw_bufs_used)
wake_up(&hw_priv->bh_evt_wq);
return 0;
}
/* 3.65 */
int wsm_init_release_buffer_request(struct rk960_common *hw_priv, u8 index)
{
struct wsm_buf *buf = &hw_priv->wsm_release_buf[index];
u16 cmd = 0x0022; /* Buffer Request */
u8 flags;
size_t buf_len;
wsm_buf_init(buf);
flags = index ? 0 : 0x1;
WSM_PUT8(buf, flags);
WSM_PUT8(buf, 0);
WSM_PUT16(buf, 0);
buf_len = buf->data - buf->begin;
/* Fill HI message header */
((__le16 *) buf->begin)[0] = __cpu_to_le16(buf_len);
((__le16 *) buf->begin)[1] = __cpu_to_le16(cmd);
return 0;
nomem:
return -ENOMEM;
}
/* 3.68 */
static int wsm_request_buffer_confirm(struct rk960_vif *priv,
u8 * arg, struct wsm_buf *buf)
{
u8 count;
u32 sta_asleep_mask = 0;
int i;
u32 mask = 0;
u32 change_mask = 0;
struct rk960_common *hw_priv = priv->hw_priv;
/* There is no status field in this message */
sta_asleep_mask = WSM_GET32(buf);
count = WSM_GET8(buf);
count -= 1; /* Current workaround for FW issue */
spin_lock_bh(&priv->ps_state_lock);
change_mask = (priv->sta_asleep_mask ^ sta_asleep_mask);
RK960_DEBUG_WSM("CM %x, HM %x, FWM %x\n", change_mask,
priv->sta_asleep_mask, sta_asleep_mask);
spin_unlock_bh(&priv->ps_state_lock);
if (change_mask) {
struct ieee80211_sta *sta;
int ret = 0;
for (i = 0; i < RK960_MAX_STA_IN_AP_MODE; ++i) {
if (RK960_LINK_HARD != priv->link_id_db[i].status)
continue;
mask = BIT(i + 1);
/* If FW state and host state for this link are different then notify OMAC */
if (change_mask & mask) {
RK960_DEBUG_WSM
("PS State Changed %d for sta %pM\n",
(sta_asleep_mask & mask) ? 1 : 0,
priv->link_id_db[i].mac);
rcu_read_lock();
sta =
ieee80211_find_sta(priv->vif,
priv->link_id_db[i].mac);
if (!sta) {
RK960_DEBUG_WSM
("[WSM] WRBC - could not find sta %pM\n",
priv->link_id_db[i].mac);
} else {
ret =
ieee80211_sta_ps_transition_ni(sta,
(sta_asleep_mask
&
mask)
?
true
:
false);
RK960_DEBUG_WSM
("PS State NOTIFIED %d\n", ret);
WARN_ON(ret);
}
rcu_read_unlock();
}
}
/* Replace STA mask with one reported by FW */
spin_lock_bh(&priv->ps_state_lock);
priv->sta_asleep_mask = sta_asleep_mask;
spin_unlock_bh(&priv->ps_state_lock);
}
RK960_DEBUG_WSM("[WSM] WRBC - HW Buf count %d SleepMask %d\n",
hw_priv->hw_bufs_used, sta_asleep_mask);
hw_priv->buf_released = 0;
WARN_ON(count != (hw_priv->wsm_caps.numInpChBufs - 1));
return 0;
underflow:
WARN_ON(1);
return -EINVAL;
}
/* 3.67 */
int wsm_request_buffer_request(struct rk960_vif *priv, u8 * arg)
{
int ret;
struct wsm_buf *buf = &priv->hw_priv->wsm_cmd_buf;
if (hw_priv->fw_error_processing)
return -EINVAL;
wsm_cmd_lock(priv->hw_priv);
WSM_PUT8(buf, (*arg));
WSM_PUT8(buf, 0);
WSM_PUT16(buf, 0);
ret =
wsm_cmd_send(priv->hw_priv, buf, arg, 0x0023, WSM_CMD_JOIN_TIMEOUT,
priv->if_id);
wsm_cmd_unlock(priv->hw_priv);
return ret;
nomem:
wsm_cmd_unlock(priv->hw_priv);
return -ENOMEM;
}
#endif
int wsm_set_keepalive_filter(struct rk960_vif *priv, bool enable)
{
struct rk960_common *hw_priv = rk960_vifpriv_to_hwpriv(priv);
priv->rx_filter.keepalive = enable;
return wsm_set_rx_filter(hw_priv, &priv->rx_filter, priv->if_id);
}
int wsm_set_probe_responder(struct rk960_vif *priv, bool enable)
{
struct rk960_common *hw_priv = rk960_vifpriv_to_hwpriv(priv);
priv->rx_filter.probeResponder = enable;
return wsm_set_rx_filter(hw_priv, &priv->rx_filter, priv->if_id);
}
/* ******************************************************************** */
/* WSM indication events implementation */
static int wsm_startup_indication(struct rk960_common *hw_priv,
struct wsm_buf *buf)
{
u16 status;
char fw_label[129];
static const char *const fw_types[] = {
"ETF",
"WFM",
"WSM",
"HI test",
"Platform test"
};
char *svn;
char svn_str[8];
int i = 0;
hw_priv->wsm_caps.numInpChBufs = WSM_GET16(buf);
hw_priv->wsm_caps.sizeInpChBuf = WSM_GET16(buf);
hw_priv->wsm_caps.hardwareId = WSM_GET16(buf);
hw_priv->wsm_caps.hardwareSubId = WSM_GET16(buf);
status = WSM_GET16(buf);
hw_priv->wsm_caps.firmwareCap = WSM_GET16(buf);
hw_priv->wsm_caps.firmwareType = WSM_GET16(buf);
hw_priv->wsm_caps.firmwareApiVer = WSM_GET16(buf);
hw_priv->wsm_caps.firmwareBuildNumber = WSM_GET16(buf);
hw_priv->wsm_caps.firmwareVersion = WSM_GET16(buf);
WSM_GET(buf, &fw_label[0], sizeof(fw_label) - 1);
fw_label[sizeof(fw_label) - 1] = 0; /* Do not trust FW too much. */
svn = strstr(fw_label, "svn");
if (WARN_ON(!svn))
return -EINVAL;
svn += 3;
while (svn[i] != '.') {
svn_str[i] = svn[i];
i++;
}
svn_str[i] = 0;
hw_priv->wsm_caps.firmwareSvnVersion = simple_strtol(svn_str, NULL, 10);
BUG_ON(hw_priv->wsm_caps.sizeInpChBuf != RK960_SDIO_TX_MSG_SIZE);
if (WARN_ON(status))
return -EINVAL;
if (WARN_ON(hw_priv->wsm_caps.firmwareType > 4))
return -EINVAL;
RK960_INFO_WSM("RK960 WSM init done.\n"
" Input buffers: %d x %d bytes\n"
" Hardware: %d.%d\n"
" %s firmware [%s], ver: %d, build: %d,"
" api: %d, cap: 0x%.4X svn: %d\n",
hw_priv->wsm_caps.numInpChBufs,
hw_priv->wsm_caps.sizeInpChBuf,
hw_priv->wsm_caps.hardwareId,
hw_priv->wsm_caps.hardwareSubId,
fw_types[hw_priv->wsm_caps.firmwareType],
&fw_label[0],
hw_priv->wsm_caps.firmwareVersion,
hw_priv->wsm_caps.firmwareBuildNumber,
hw_priv->wsm_caps.firmwareApiVer,
hw_priv->wsm_caps.firmwareCap,
hw_priv->wsm_caps.firmwareSvnVersion);
hw_priv->wsm_caps.firmwareReady += 1;
wake_up(&hw_priv->wsm_startup_done);
return 0;
underflow:
WARN_ON(1);
return -EINVAL;
}
static int wsm_receive_indication(struct rk960_common *hw_priv,
int interface_link_id,
struct wsm_buf *buf, struct sk_buff **skb_p)
{
struct rk960_vif *priv;
hw_priv->rx_timestamp = jiffies;
if (hw_priv->wsm_cbc.rx) {
struct wsm_rx rx;
struct ieee80211_hdr *hdr;
size_t hdr_len;
__le16 fctl;
u8 *da, *sa;
s8 rssi;
rx.status = WSM_GET32(buf);
rx.channelNumber = WSM_GET16(buf);
rx.rxedRate = WSM_GET8(buf);
rx.rcpiRssi = WSM_GET8(buf);
rx.flags = WSM_GET32(buf);
/* TODO:COMBO: Frames received from scanning are received
* with interface ID == 2 */
if (is_hardware_version1(hw_priv)
|| is_hardware_version2(hw_priv)) {
if (interface_link_id == RK960_GENERIC_IF_ID) {
/* Frames received in response to SCAN
* Request */
interface_link_id =
get_interface_id_scanning(hw_priv);
if (interface_link_id == -1) {
interface_link_id = hw_priv->roc_if_id;
}
#ifdef ROAM_OFFLOAD
if (hw_priv->auto_scanning) {
interface_link_id = hw_priv->scan.if_id;
}
#endif /*ROAM_OFFLOAD */
}
/* linkid (peer sta id is encoded in bit 25-28 of
flags field */
rx.link_id = ((rx.flags & (0xf << 25)) >> 25);
rx.if_id = interface_link_id;
} else {
rx.link_id = interface_link_id;
rx.if_id = 0;
}
//pr_info("%s: if_id %d link_id %d\n", __func__, rx.if_id, rx.link_id);
fctl = *(__le16 *) buf->data;
hdr_len = buf->data - buf->begin;
skb_pull(*skb_p, hdr_len);
priv = rk960_hwpriv_to_vifpriv(hw_priv, rx.if_id);
if (!priv) {
if (rx.if_id == -1) {
//if (!priv->cqm_use_rssi)
rx.rcpiRssi = rx.rcpiRssi / 2 - 110;
rk960_rx_cb_monitor(hw_priv, &rx, skb_p);
} else {
RK960_INFO_WSM
("%s: NULL priv drop frame %d %d\n",
__func__, rx.if_id, rx.link_id);
}
return 0;
}
/* FW Workaround: Drop probe resp or
beacon when RSSI is 0 */
hdr = (struct ieee80211_hdr *)(*skb_p)->data;
if (!rx.rcpiRssi &&
(ieee80211_is_probe_resp(hdr->frame_control) ||
ieee80211_is_beacon(hdr->frame_control))) {
rk960_priv_vif_list_read_unlock(&priv->vif_lock);
return 0;
}
/* If no RSSI subscription has been made,
* convert RCPI to RSSI here */
if (!priv->cqm_use_rssi)
rx.rcpiRssi = rx.rcpiRssi / 2 - 110;
rssi = rx.rcpiRssi;
RK960_INFO_WSM("%s: id %d sta %d ch %d rate %d rssi %d"
" flag %x link_id %d if_id %d\n",
__func__, interface_link_id, rx.status,
rx.channelNumber, rx.rxedRate, rssi, rx.flags,
rx.link_id, rx.if_id);
if (!rx.status && unlikely(ieee80211_is_deauth(fctl) ||
ieee80211_is_disassoc(fctl))) {
hdr = (struct ieee80211_hdr *)(*skb_p)->data;
sa = ieee80211_get_SA(hdr);
da = ieee80211_get_DA(hdr);
//pr_info("%pM, %pM, %pM\n", sa, da, priv->join_bssid);
/* P2P GC: submit disassoc to wpa_s will casue reconn
* which cause p2p can not disconnect immediately
* so generate deauth to wpa_s before disassoc
*/
if (hw_priv->roc_if_id_last == rx.if_id && // means on p2p0
ieee80211_is_disassoc(fctl) &&
ether_addr_equal(sa, priv->join_bssid)) {
struct sk_buff *skb;
RK960_INFO_WSM
("generate deauth before disassoc\n");
skb =
rk960_build_deauth_frame(sa, da, sa, false);
if (skb)
ieee80211_rx_irqsafe(priv->hw, skb);
}
if (priv->join_status == RK960_JOIN_STATUS_STA &&
ether_addr_equal(sa, priv->join_bssid)) {
RK960_INFO_WSM("havePMF %d %d\n", priv->havePMF,
WSM_RX_STATUS_ENCRYPTION(rx.
flags));
if (!priv->havePMF
|| (priv->havePMF
&& WSM_RX_STATUS_ENCRYPTION(rx.
flags))) {
/* Shedule unjoin work */
RK960_DEBUG_WSM
("[WSM] Issue unjoin command (RX).\n");
wsm_lock_tx_async(hw_priv);
if (queue_work(hw_priv->workqueue,
&priv->unjoin_work) <= 0)
wsm_unlock_tx(hw_priv);
}
}
}
#ifdef SUPPORT_FWCR
if (rk960_pae_type(*skb_p, 0))
hw_priv->fwcr_update_key = 1;
#endif
hw_priv->wsm_cbc.rx(priv, &rx, skb_p);
if (*skb_p)
skb_push(*skb_p, hdr_len);
rk960_priv_vif_list_read_unlock(&priv->vif_lock);
}
return 0;
underflow:
return -EINVAL;
}
static int wsm_event_indication(struct rk960_common *hw_priv,
struct wsm_buf *buf, int interface_link_id)
{
int first;
struct rk960_wsm_event *event;
struct rk960_vif *priv;
if (!is_hardware_version1(hw_priv) && !is_hardware_version2(hw_priv))
interface_link_id = 0;
priv = rk960_hwpriv_to_vifpriv(hw_priv, interface_link_id);
if (unlikely(!priv)) {
RK960_INFO_WSM("[WSM] Event: for removed "
"interface, ignoring\n");
return 0;
}
if (unlikely(priv->mode == NL80211_IFTYPE_UNSPECIFIED)) {
/* STA is stopped. */
rk960_priv_vif_list_read_unlock(&priv->vif_lock);
return 0;
}
rk960_priv_vif_list_read_unlock(&priv->vif_lock);
event = kzalloc(sizeof(struct rk960_wsm_event), GFP_KERNEL);
event->evt.eventId = __le32_to_cpu(WSM_GET32(buf));
event->evt.eventData = __le32_to_cpu(WSM_GET32(buf));
event->if_id = interface_link_id;
RK960_DEBUG_WSM("[WSM] Event: %d(%d) if_id %d\n",
event->evt.eventId, event->evt.eventData,
interface_link_id);
spin_lock(&hw_priv->event_queue_lock);
first = list_empty(&hw_priv->event_queue);
list_add_tail(&event->link, &hw_priv->event_queue);
spin_unlock(&hw_priv->event_queue_lock);
if (first)
queue_work(hw_priv->workqueue, &hw_priv->event_handler);
return 0;
underflow:
kfree(event);
return -EINVAL;
}
/* TODO:COMBO:Make this perVIFF once mac80211 support is available */
static int wsm_channel_switch_indication(struct rk960_common *hw_priv,
struct wsm_buf *buf)
{
wsm_unlock_tx(hw_priv); /* Re-enable datapath */
WARN_ON(WSM_GET32(buf));
hw_priv->channel_switch_in_progress = 0;
wake_up(&hw_priv->channel_switch_done);
if (hw_priv->wsm_cbc.channel_switch)
hw_priv->wsm_cbc.channel_switch(hw_priv);
return 0;
underflow:
return -EINVAL;
}
int wsm_set_pm_indication(struct rk960_common *hw_priv, struct wsm_buf *buf)
{
if (hw_priv->ps_mode_switch_in_progress) {
hw_priv->ps_mode_switch_in_progress = 0;
wsm_oper_unlock(hw_priv);
wake_up(&hw_priv->ps_mode_switch_done);
}
return 0;
}
static int wsm_scan_complete_indication(struct rk960_common *hw_priv,
struct wsm_buf *buf)
{
#ifdef ROAM_OFFLOAD
if (hw_priv->auto_scanning == 0)
wsm_oper_unlock(hw_priv);
#else
wsm_oper_unlock(hw_priv);
#endif /*ROAM_OFFLOAD */
if (hw_priv->wsm_cbc.scan_complete) {
struct wsm_scan_complete arg;
arg.status = WSM_GET32(buf);
arg.psm = WSM_GET8(buf);
arg.numChannels = WSM_GET8(buf);
hw_priv->wsm_cbc.scan_complete(hw_priv, &arg);
}
return 0;
underflow:
return -EINVAL;
}
int rk960_pending_scan_complete_indication(struct rk960_common *hw_priv)
{
if (!hw_priv->scan.req)
return 0;
#ifdef ROAM_OFFLOAD
if (hw_priv->auto_scanning == 0)
wsm_oper_unlock(hw_priv);
#else
wsm_oper_unlock(hw_priv);
#endif /*ROAM_OFFLOAD */
if (hw_priv->wsm_cbc.scan_complete) {
struct wsm_scan_complete arg;
arg.status = 0;
arg.psm = 0;
arg.numChannels = 1;
hw_priv->wsm_cbc.scan_complete(hw_priv, &arg);
}
return 0;
}
static int wsm_find_complete_indication(struct rk960_common *hw_priv,
struct wsm_buf *buf)
{
/* TODO: Implement me. */
//STUB();
return 0;
}
static int wsm_suspend_resume_indication(struct rk960_common *hw_priv,
int interface_link_id,
struct wsm_buf *buf)
{
if (hw_priv->wsm_cbc.suspend_resume) {
u32 flags;
struct wsm_suspend_resume arg;
struct rk960_vif *priv;
arg.link_id = 0;
if (is_hardware_version1(hw_priv) ||
is_hardware_version2(hw_priv)) {
int i;
arg.if_id = interface_link_id;
/* TODO:COMBO: Extract bitmap from suspend-resume
* TX indication */
//rk960_for_each_vif(hw_priv, priv, i) {
for (i = 0; i < RK960_MAX_VIFS; i++) {
priv = hw_priv->vif_list[i] ?
rk960_get_vif_from_ieee80211(hw_priv->
vif_list[i]) :
NULL;
if (!priv)
continue;
if (priv->join_status == RK960_JOIN_STATUS_AP) {
arg.if_id = priv->if_id;
break;
}
arg.link_id = 0;
}
} else {
arg.if_id = 0;
arg.link_id = interface_link_id;
}
flags = WSM_GET32(buf);
arg.stop = !(flags & 1);
arg.multicast = ! !(flags & 8);
arg.queue = (flags >> 1) & 3;
priv = rk960_hwpriv_to_vifpriv(hw_priv, arg.if_id);
if (unlikely(!priv)) {
RK960_INFO_WSM("[WSM] suspend-resume indication"
" for removed interface!\n");
return 0;
}
hw_priv->wsm_cbc.suspend_resume(priv, &arg);
rk960_priv_vif_list_read_unlock(&priv->vif_lock);
}
return 0;
underflow:
return -EINVAL;
}
/* ******************************************************************** */
/* WSM TX */
int wsm_cmd_send(struct rk960_common *hw_priv,
struct wsm_buf *buf, void *arg, u16 cmd, long tmo, int if_id)
{
size_t buf_len = buf->data - buf->begin;
int ret;
#if 1
if (cmd == 0x0006) /* Write MIB */
RK960_INFO_WSM
("[WSM] >>> %s 0x%.4X [MIB: 0x%.4X] (%d) %d %d %d\n",
wsm_conv_req_resp_to_str(cmd), cmd,
__le16_to_cpu(((__le16 *) buf->begin)[2]), (int)buf_len,
if_id, hw_priv->hw_bufs_used, atomic_add_return(1,
&hw_priv->
msg_idx));
else
RK960_INFO_WSM("[WSM] >>> %s 0x%.4X (%d) %d %d %d\n",
wsm_conv_req_resp_to_str(cmd), cmd, (int)buf_len,
if_id, hw_priv->hw_bufs_used,
atomic_add_return(1, &hw_priv->msg_idx));
#endif
// if (cmd == 0x0007)
// pr_info("scan\n");
#ifdef SUPPORT_FWCR
if (hw_priv->fwcr_recovery) {
RK960_INFO_WSM("[WSM] <<< skip\n");
wsm_buf_reset(buf);
if (cmd == 0x0007 || cmd == 0x000B || cmd == 0x0010) {
hw_priv->ps_mode_switch_in_progress = 1;
wsm_oper_unlock(hw_priv);
}
return 0;
}
#endif
/* Fill HI message header */
/* BH will add sequence number */
/* TODO:COMBO: Add if_id from to the WSM header */
/* if_id == -1 indicates that command is HW specific,
* eg. wsm_configuration which is called during driver initialzation
* (mac80211 .start callback called when first ifce is created. )*/
/* send hw specific commands on if 0 */
if (if_id == -1)
if_id = 0;
((__le16 *) buf->begin)[0] = __cpu_to_le16(buf_len);
((__le16 *) buf->begin)[1] = __cpu_to_le16(cmd |
((is_hardware_version1
(hw_priv)
||
is_hardware_version2
(hw_priv)) ? (if_id << 6) :
0));
spin_lock(&hw_priv->wsm_cmd.lock);
BUG_ON(hw_priv->wsm_cmd.ptr);
hw_priv->wsm_cmd.done = 0;
hw_priv->wsm_cmd.ptr = buf->begin;
hw_priv->wsm_cmd.len = buf_len;
hw_priv->wsm_cmd.arg = arg;
hw_priv->wsm_cmd.cmd = cmd;
spin_unlock(&hw_priv->wsm_cmd.lock);
rk960_bh_wakeup(hw_priv);
if (unlikely(hw_priv->bh_error)) {
/* Do not wait for timeout if BH is dead. Exit immediately. */
ret = 0;
} else {
#ifdef RK960_FW_ERROR_RECOVERY
if (hw_priv->fw_error_processing)
tmo = HZ / 10;
ret = wait_event_timeout(hw_priv->wsm_cmd_wq,
hw_priv->wsm_cmd.done, tmo);
#else
long rx_timestamp;
long wsm_cmd_starttime = jiffies;
long wsm_cmd_runtime;
long wsm_cmd_max_tmo = WSM_CMD_DEFAULT_TIMEOUT;
/* Give start cmd a little more time */
if (tmo == WSM_CMD_START_TIMEOUT)
wsm_cmd_max_tmo = WSM_CMD_START_TIMEOUT;
/* Firmware prioritizes data traffic over control confirm.
* Loop below checks if data was RXed and increases timeout
* accordingly. */
do {
/* It's safe to use unprotected access to
* wsm_cmd.done here */
ret = wait_event_timeout(hw_priv->wsm_cmd_wq,
hw_priv->wsm_cmd.done, tmo);
rx_timestamp = jiffies - hw_priv->rx_timestamp;
wsm_cmd_runtime = jiffies - wsm_cmd_starttime;
if (unlikely(rx_timestamp < 0) || wsm_cmd_runtime < 0)
rx_timestamp = tmo + 1;
} while (!ret && rx_timestamp <= tmo &&
wsm_cmd_runtime < wsm_cmd_max_tmo);
#endif
}
if (unlikely(ret == 0)) {
u16 raceCheck;
//BUG_ON(1);
#ifdef RK960_FW_ERROR_RECOVERY
RK960_ERROR_WSM("[WSM] cmd send timeout\n");
rk960_signal_fw_error(hw_priv, RK960_FWERR_REASON_CMD);
#endif
spin_lock(&hw_priv->wsm_cmd.lock);
raceCheck = hw_priv->wsm_cmd.cmd;
hw_priv->wsm_cmd.arg = NULL;
hw_priv->wsm_cmd.ptr = NULL;
spin_unlock(&hw_priv->wsm_cmd.lock);
#ifdef RK960_FW_ERROR_RECOVERY
spin_lock(&hw_priv->wsm_cmd.lock);
hw_priv->wsm_cmd.ret = ret;
hw_priv->wsm_cmd.done = 1;
spin_unlock(&hw_priv->wsm_cmd.lock);
#else
/* Race condition check to make sure _confirm is not called
* after exit of _send */
if (raceCheck == 0xFFFF) {
/* If wsm_handle_rx got stuck in _confirm we will hang
* system there. It's better than silently currupt
* stack or heap, isn't it? */
BUG_ON(wait_event_timeout(hw_priv->wsm_cmd_wq,
hw_priv->wsm_cmd.done,
WSM_CMD_LAST_CHANCE_TIMEOUT)
<= 0);
}
/* Kill BH thread to report the error to the top layer. */
RK960_ERROR_WSM("[WSM] >>> %s 0x%.4X [MIB: 0x%.4X] timeout\n",
wsm_conv_req_resp_to_str(cmd),
cmd, __le16_to_cpu(((__le16 *) buf->begin)[2]));
hw_priv->bh_error = 1;
wake_up(&hw_priv->bh_wq);
ret = -ETIMEDOUT;
#endif
} else {
spin_lock(&hw_priv->wsm_cmd.lock);
BUG_ON(!hw_priv->wsm_cmd.done);
ret = hw_priv->wsm_cmd.ret;
spin_unlock(&hw_priv->wsm_cmd.lock);
}
wsm_buf_reset(buf);
return ret;
}
/* ******************************************************************** */
/* WSM TX port control */
void wsm_lock_tx(struct rk960_common *hw_priv)
{
wsm_cmd_lock(hw_priv);
if (atomic_add_return(1, &hw_priv->tx_lock) == 1) {
if (wsm_flush_tx(hw_priv))
RK960_DEBUG_WSM("[WSM] TX is locked.\n");
}
//pr_info("%s: tx_lock %d\n", __func__, atomic_read(&hw_priv->tx_lock));
wsm_cmd_unlock(hw_priv);
}
void wsm_lock_tx_rec(struct rk960_common *hw_priv)
{
atomic_add_return(1, &hw_priv->tx_lock);
}
void wsm_vif_lock_tx(struct rk960_vif *priv)
{
struct rk960_common *hw_priv = priv->hw_priv;
wsm_cmd_lock(hw_priv);
if (atomic_add_return(1, &hw_priv->tx_lock) == 1) {
if (wsm_vif_flush_tx(priv))
RK960_DEBUG_WSM("[WSM] TX is locked for"
" if_id %d.\n", priv->if_id);
}
//pr_info("%s: tx_lock %d\n", __func__, atomic_read(&hw_priv->tx_lock));
wsm_cmd_unlock(hw_priv);
}
void wsm_lock_tx_async(struct rk960_common *hw_priv)
{
if (atomic_add_return(1, &hw_priv->tx_lock) == 1)
RK960_DEBUG_WSM("[WSM] TX is locked (async).\n");
//pr_info("%s: tx_lock %d\n", __func__, atomic_read(&hw_priv->tx_lock));
}
bool wsm_flush_tx(struct rk960_common *hw_priv)
{
unsigned long timestamp = jiffies;
bool pending = false;
long timeout;
int i;
/* Flush must be called with TX lock held. */
BUG_ON(!atomic_read(&hw_priv->tx_lock));
/* First check if we really need to do something.
* It is safe to use unprotected access, as hw_bufs_used
* can only decrements. */
if (!hw_priv->hw_bufs_used)
return true;
if (hw_priv->bh_error) {
/* In case of failure do not wait for magic. */
RK960_ERROR_WSM("[WSM] Fatal error occured, "
"will not flush TX.\n");
return false;
} else {
/* Get a timestamp of "oldest" frame */
for (i = 0; i < 4; ++i)
pending |=
rk960_queue_get_xmit_timestamp(&hw_priv->
tx_queue[i],
&timestamp,
RK960_ALL_IFS,
0xffffffff);
/* It is allowed to lock TX with only a command in the pipe. */
if (!pending)
return true;
#ifdef RK960_FW_ERROR_RECOVERY
timeout = timestamp + WSM_CMD_LAST_CHANCE_TIMEOUT - jiffies;
if (timeout < 0 || wait_event_timeout(hw_priv->bh_evt_wq,
!hw_priv->hw_bufs_used,
timeout) <= 0) {
RK960_ERROR_WSM("%s: hw_bufs_used %d timeout %d\n",
__func__, hw_priv->hw_bufs_used,
jiffies_to_msecs(timeout));
hw_priv->hw_bufs_used = 0;
rk960_signal_fw_error(hw_priv,
RK960_FWERR_REASON_FLUSH);
}
#else
timeout = WSM_CMD_LAST_CHANCE_TIMEOUT;
if (timeout < 0 || wait_event_timeout(hw_priv->bh_evt_wq,
!hw_priv->hw_bufs_used,
timeout) <= 0) {
/* Hmmm... Not good. Frame had stuck in firmware. */
hw_priv->bh_error = 1;
RK960_ERROR_WSM("%s: bh_error=1 %d\n", __func__,
hw_priv->hw_bufs_used);
rk960_queue_dump_pending_tx(hw_priv, RK960_ALL_IFS);
WARN_ON(1);
wake_up(&hw_priv->bh_wq);
return false;
}
#endif
/* Ok, everything is flushed. */
return true;
}
}
bool wsm_vif_flush_tx(struct rk960_vif * priv)
{
struct rk960_common *hw_priv = priv->hw_priv;
unsigned long timestamp = jiffies;
long timeout;
int i;
int if_id = priv->if_id;
/* Flush must be called with TX lock held. */
BUG_ON(!atomic_read(&hw_priv->tx_lock));
/* First check if we really need to do something.
* It is safe to use unprotected access, as hw_bufs_used
* can only decrements. */
if (!hw_priv->hw_bufs_used_vif[priv->if_id])
return true;
if (hw_priv->bh_error) {
/* In case of failure do not wait for magic. */
RK960_ERROR_WSM("[WSM] Fatal error occured, "
"will not flush TX.\n");
return false;
} else {
/* Get a timestamp of "oldest" frame */
for (i = 0; i < 4; ++i)
rk960_queue_get_xmit_timestamp(&hw_priv->tx_queue[i],
&timestamp, if_id,
0xffffffff);
/* It is allowed to lock TX with only a command in the pipe. */
if (!hw_priv->hw_bufs_used_vif[if_id])
return true;
#ifdef RK960_FW_ERROR_RECOVERY
timeout = timestamp + WSM_CMD_LAST_CHANCE_TIMEOUT - jiffies;
if (timeout < 0 || wait_event_timeout(hw_priv->bh_evt_wq,
!hw_priv->
hw_bufs_used_vif[if_id],
timeout) <= 0) {
RK960_ERROR_WSM
("%s: hw_bufs_used_vif[%d] %d timeout %d\n",
__func__, if_id, hw_priv->hw_bufs_used_vif[if_id],
jiffies_to_msecs(timeout));
hw_priv->hw_bufs_used_vif[if_id] = 0;
rk960_signal_fw_error(hw_priv,
RK960_FWERR_REASON_FLUSH);
}
#else
timeout = WSM_CMD_LAST_CHANCE_TIMEOUT;
if (timeout < 0 || wait_event_timeout(hw_priv->bh_evt_wq,
!hw_priv->
hw_bufs_used_vif[if_id],
timeout) <= 0) {
/* Hmmm... Not good. Frame had stuck in firmware. */
hw_priv->bh_error = 1;
RK960_ERROR_WSM("%s: bh_error=1 %d %d\n", __func__,
hw_priv->hw_bufs_used_vif[priv->if_id],
hw_priv->hw_bufs_used);
rk960_queue_dump_pending_tx(hw_priv, if_id);
WARN_ON(1);
wake_up(&hw_priv->bh_wq);
return false;
}
#endif
/* Ok, everything is flushed. */
return true;
}
}
void wsm_unlock_tx(struct rk960_common *hw_priv)
{
int tx_lock;
if (hw_priv->bh_error)
RK960_ERROR_WSM("fatal error occured, unlock is unsafe\n");
else {
tx_lock = atomic_sub_return(1, &hw_priv->tx_lock);
//pr_info("%s: tx_lock %d\n", __func__, tx_lock);
if (tx_lock < 0) {
BUG_ON(1);
} else if (tx_lock == 0) {
rk960_bh_wakeup(hw_priv);
RK960_DEBUG_WSM("[WSM] TX is unlocked.\n");
}
}
}
void wsm_unlock_tx_rec(struct rk960_common *hw_priv)
{
int tx_lock;
tx_lock = atomic_sub_return(1, &hw_priv->tx_lock);
if (tx_lock < 0) {
BUG_ON(1);
} else if (tx_lock == 0) {
rk960_bh_wakeup(hw_priv);
}
}
/* ******************************************************************** */
/* WSM RX */
int wsm_handle_exception(struct rk960_common *hw_priv, u8 * data, size_t len)
{
struct wsm_buf buf;
u32 reason;
u32 reg[18];
char fname[48];
int i;
#if defined(CONFIG_RK960_USE_STE_EXTENSIONS)
struct rk960_vif *priv = NULL;
int if_id = 0;
#endif
static const char *const reason_str[] = {
"undefined instruction",
"prefetch abort",
"data abort",
"unknown error",
};
#if defined(CONFIG_RK960_USE_STE_EXTENSIONS)
/* Send the event upwards on the FW exception */
rk960_pm_stay_awake(&hw_priv->pm_state, 3 * HZ);
rk960_hw_vif_read_lock(&hw_priv->vif_list_lock);
//rk960_for_each_vif(hw_priv, priv, if_id) {
for (i = 0; i < RK960_MAX_VIFS; i++) {
priv = rk960_get_vif_from_ieee80211_hw_priv(hw_priv, i);
if (!priv)
continue;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 10, 0))
RK960_ERROR_WSM("%s: ieee80211_driver_hang_notify\n", __func__);
#else
ieee80211_driver_hang_notify(priv->vif, GFP_KERNEL);
#endif
}
rk960_hw_vif_read_unlock(&hw_priv->vif_list_lock);
#endif
buf.begin = buf.data = data;
buf.end = &buf.begin[len];
reason = WSM_GET32(&buf);
for (i = 0; i < ARRAY_SIZE(reg); ++i)
reg[i] = WSM_GET32(&buf);
WSM_GET(&buf, fname, sizeof(fname));
if (reason < 4)
RK960_ERROR_WSM("Firmware exception: %s.\n",
reason_str[reason]);
else
RK960_ERROR_WSM("Firmware assert at %.*s, line %d\n",
(int)sizeof(fname), fname, reg[1]);
for (i = 0; i < 12; i += 4)
RK960_DEBUG_WSM
("R%d: 0x%.8X, R%d: 0x%.8X, R%d: 0x%.8X, R%d: 0x%.8X,\n",
i + 0, reg[i + 0], i + 1, reg[i + 1], i + 2, reg[i + 2],
i + 3, reg[i + 3]);
RK960_DEBUG_WSM("R12: 0x%.8X, SP: 0x%.8X, LR: 0x%.8X, PC: 0x%.8X,\n",
reg[i + 0], reg[i + 1], reg[i + 2], reg[i + 3]);
i += 4;
RK960_DEBUG_WSM("CPSR: 0x%.8X, SPSR: 0x%.8X\n", reg[i + 0], reg[i + 1]);
print_hex_dump_bytes("R1: ", DUMP_PREFIX_NONE, fname, sizeof(fname));
return 0;
underflow:
RK960_ERROR_WSM("Firmware exception.\n");
print_hex_dump_bytes("Exception: ", DUMP_PREFIX_NONE, data, len);
return -EINVAL;
}
int wsm_handle_rx(struct rk960_common *hw_priv, int id,
struct wsm_hdr *wsm, struct sk_buff **skb_p)
{
int ret = 0;
struct wsm_buf wsm_buf;
int interface_link_id = (id >> 6) & 0x0F;
#ifdef ROAM_OFFLOAD
#if 0
struct rk960_vif *priv;
priv = rk960_hwpriv_to_vifpriv(hw_priv, interface_link_id);
if (unlikely(!priv)) {
WARN_ON(1);
return 0;
}
rk960_priv_vif_list_read_unlock(&priv->vif_lock);
#endif
#endif /*ROAM_OFFLOAD */
/* Strip link id. */
id &= ~WSM_TX_LINK_ID(WSM_TX_LINK_ID_MAX);
wsm_buf.begin = (u8 *) & wsm[0];
wsm_buf.data = (u8 *) & wsm[1];
wsm_buf.end = &wsm_buf.begin[__le32_to_cpu(wsm->len)];
#if 1
RK960_INFO_WSM("[WSM] <<< %s 0x%.4X (%d) lid %d %d %d\n",
wsm_conv_req_resp_to_str(id), id,
(int)(wsm_buf.end - wsm_buf.begin),
interface_link_id,
hw_priv->hw_bufs_used,
atomic_add_return(1, &hw_priv->evt_idx));
#endif
if (id == 0x404) {
ret = wsm_tx_confirm(hw_priv, &wsm_buf, interface_link_id, 1);
#ifdef MCAST_FWDING
#if 1
} else if (id == 0x422) {
ret = wsm_give_buffer_confirm(hw_priv, &wsm_buf);
#endif
#endif
} else if (id == 0x41E) {
ret = wsm_multi_tx_confirm(hw_priv, &wsm_buf,
interface_link_id);
} else if (id & 0x0400) {
void *wsm_arg;
u16 wsm_cmd;
/* Do not trust FW too much. Protection against repeated
* response and race condition removal (see above). */
spin_lock(&hw_priv->wsm_cmd.lock);
wsm_arg = hw_priv->wsm_cmd.arg;
wsm_cmd = hw_priv->wsm_cmd.cmd &
~WSM_TX_LINK_ID(WSM_TX_LINK_ID_MAX);
hw_priv->wsm_cmd.cmd = 0xFFFF;
spin_unlock(&hw_priv->wsm_cmd.lock);
if (WARN_ON((id & ~0x0400) != wsm_cmd)) {
/* Note that any non-zero is a fatal retcode. */
ret = -EINVAL;
goto out;
}
switch (id) {
case 0x0400: /* wsm_mem_rw read */
ret = wsm_mem_rw_confirm(hw_priv, wsm_arg, &wsm_buf);
break;
case 0x0409:
/* Note that wsm_arg can be NULL in case of timeout in
* wsm_cmd_send(). */
if (likely(wsm_arg))
ret = wsm_configuration_confirm(hw_priv,
wsm_arg,
&wsm_buf);
break;
case 0x0405:
if (likely(wsm_arg))
ret = wsm_read_mib_confirm(hw_priv, wsm_arg,
&wsm_buf);
break;
case 0x0406:
if (likely(wsm_arg))
ret = wsm_write_mib_confirm(hw_priv, wsm_arg,
&wsm_buf,
interface_link_id);
break;
case 0x040B:
if (likely(wsm_arg))
ret = wsm_join_confirm(hw_priv, wsm_arg,
&wsm_buf);
break;
#ifdef MCAST_FWDING
case 0x0423: /* req buffer cfm */
if (likely(wsm_arg)) {
int i;
struct rk960_vif *priv = NULL;
//rk960_for_each_vif(hw_priv, priv, i) {
for (i = 0; i < RK960_MAX_VIFS; i++) {
priv = hw_priv->vif_list[i] ?
rk960_get_vif_from_ieee80211
(hw_priv->vif_list[i]) : NULL;
if (priv
&& (priv->join_status ==
RK960_JOIN_STATUS_AP))
ret =
wsm_request_buffer_confirm
(priv, wsm_arg, &wsm_buf);
}
}
break;
#endif
case 0x0424:
ret = wsm_adc_read_confirm(hw_priv, wsm_arg, &wsm_buf);
break;
case 0x0407: /* start-scan */
#ifdef ROAM_OFFLOAD
if (hw_priv->auto_scanning) {
if (atomic_read(&hw_priv->scan.in_progress)) {
hw_priv->auto_scanning = 0;
} else {
wsm_oper_unlock(hw_priv);
up(&hw_priv->scan.lock);
}
}
#endif /*ROAM_OFFLOAD */
case 0x0401: /* wsm_mem_rw write */
case 0x0408: /* stop-scan */
case 0x040A: /* wsm_reset */
case 0x040C: /* add_key */
case 0x040D: /* remove_key */
case 0x0410: /* wsm_set_pm */
case 0x0411: /* set_bss_params */
case 0x0412: /* set_tx_queue_params */
case 0x0413: /* set_edca_params */
case 0x0416: /* switch_channel */
case 0x0417: /* start */
case 0x0418: /* beacon_transmit */
case 0x0419: /* start_find */
case 0x041A: /* stop_find */
case 0x041B: /* update_ie */
case 0x041C: /* map_link */
WARN_ON(wsm_arg != NULL);
ret = wsm_generic_confirm(hw_priv, wsm_arg, &wsm_buf);
if (ret)
RK960_ERROR_WSM("wsm_generic_confirm "
"failed for request 0x%.4X.\n",
id & ~0x0400);
break;
default:
BUG_ON(1);
}
spin_lock(&hw_priv->wsm_cmd.lock);
hw_priv->wsm_cmd.ret = ret;
hw_priv->wsm_cmd.done = 1;
spin_unlock(&hw_priv->wsm_cmd.lock);
ret = 0; /* Error response from device should ne stop BH. */
wake_up(&hw_priv->wsm_cmd_wq);
} else if (id & 0x0800) {
switch (id) {
case 0x0801:
ret = wsm_startup_indication(hw_priv, &wsm_buf);
break;
case 0x0803:
hw_priv->device_can_sleep = false;
hw_priv->device_wakeing = false;
#ifdef RK960_USE_RX_THREAD
rk960_bh_wakeup(hw_priv);
#endif
ret = 0;
break;
case 0x0804:
ret = wsm_receive_indication(hw_priv, interface_link_id,
&wsm_buf, skb_p);
break;
case 0x0805:
ret = wsm_event_indication(hw_priv, &wsm_buf,
interface_link_id);
break;
case 0x080A:
ret = wsm_channel_switch_indication(hw_priv, &wsm_buf);
break;
case 0x0809:
ret = wsm_set_pm_indication(hw_priv, &wsm_buf);
break;
case 0x0806:
#ifdef ROAM_OFFLOAD
if (hw_priv->auto_scanning && hw_priv->frame_rcvd) {
struct rk960_vif *priv;
hw_priv->frame_rcvd = 0;
priv =
rk960_hwpriv_to_vifpriv(hw_priv,
hw_priv->scan.
if_id);
if (unlikely(!priv)) {
WARN_ON(1);
return 0;
}
rk960_priv_vif_list_read_unlock(&priv->
vif_lock);
if (hw_priv->beacon) {
struct wsm_scan_complete *scan_cmpl =
(struct wsm_scan_complete *)
((u8 *) wsm +
sizeof(struct wsm_hdr));
struct ieee80211_rx_status *rhdr =
IEEE80211_SKB_RXCB(hw_priv->beacon);
rhdr->signal = (s8) scan_cmpl->reserved;
if (!priv->cqm_use_rssi) {
rhdr->signal =
rhdr->signal / 2 - 110;
}
if (!hw_priv->beacon_bkp)
hw_priv->beacon_bkp =
skb_copy(hw_priv->beacon,
GFP_ATOMIC);
ieee80211_rx_irqsafe(hw_priv->hw,
hw_priv->beacon);
hw_priv->beacon = hw_priv->beacon_bkp;
hw_priv->beacon_bkp = NULL;
}
RK960_DEBUG_WSM("[WSM] Send Testmode Event.\n");
rk960_testmode_event(priv->hw->wiphy,
NL80211_CMD_NEW_SCAN_RESULTS,
0, 0, GFP_KERNEL);
}
#endif /*ROAM_OFFLOAD */
ret = wsm_scan_complete_indication(hw_priv, &wsm_buf);
break;
case 0x080B:
ret = wsm_find_complete_indication(hw_priv, &wsm_buf);
break;
case 0x080C:
ret = wsm_suspend_resume_indication(hw_priv,
interface_link_id,
&wsm_buf);
break;
#ifdef ROAM_OFFLOAD
case 0x0810:
if (hw_priv->auto_scanning && hw_priv->frame_rcvd) {
hw_priv->frame_rcvd = 0;
pr_info("%s: sched_scan_stop_work\n", __func__);
queue_delayed_work(hw_priv->workqueue,
&hw_priv->scan.
sched_scan_stop_work, 0);
}
break;
#endif
default:
//STUB();
break;
}
} else {
WARN_ON(1);
ret = -EINVAL;
}
out:
return ret;
}
static bool wsm_handle_tx_data(struct rk960_vif *priv,
const struct wsm_tx *wsm,
const struct ieee80211_tx_info *tx_info,
struct rk960_txpriv *txpriv,
struct rk960_queue *queue)
{
struct rk960_common *hw_priv = rk960_vifpriv_to_hwpriv(priv);
#ifdef P2P_MULTIVIF
struct rk960_vif *p2p_if_vif = NULL;
#endif
bool handled = false;
const struct ieee80211_hdr *frame =
(struct ieee80211_hdr *)&((u8 *) wsm)[txpriv->offset];
__le16 fctl = frame->frame_control;
enum {
doProbe,
doDrop,
doJoin,
doOffchannel,
doWep,
doTx,
} action = doTx;
hw_priv = rk960_vifpriv_to_hwpriv(priv);
#ifdef P2P_MULTIVIF
if (priv->if_id == RK960_GENERIC_IF_ID)
p2p_if_vif = __rk960_hwpriv_to_vifpriv(hw_priv, 1);
#endif
frame = (struct ieee80211_hdr *)&((u8 *) wsm)[txpriv->offset];
fctl = frame->frame_control;
/*RK960_DEBUG_WSM("%s: mode %d if_id %d join_status %d "
"join_bssid %pM addr1 %pM fc %x\n",
__func__, priv->mode, priv->if_id, priv->join_status,
priv->join_bssid, frame->addr1, fctl); */
switch (priv->mode) {
case NL80211_IFTYPE_STATION:
if (unlikely((priv->join_status == RK960_JOIN_STATUS_STA) &&
ieee80211_is_nullfunc(fctl))) {
spin_lock(&priv->bss_loss_lock);
if (priv->bss_loss_status == RK960_BSS_LOSS_CHECKING) {
priv->bss_loss_status =
RK960_BSS_LOSS_CONFIRMING;
priv->bss_loss_confirm_id = wsm->packetID;
}
spin_unlock(&priv->bss_loss_lock);
} else if (unlikely((priv->join_status <=
RK960_JOIN_STATUS_MONITOR)
|| memcmp(frame->addr1, priv->join_bssid,
sizeof(priv->join_bssid)))) {
#ifdef P2P_MULTIVIF
if (p2p_if_vif && (p2p_if_vif->join_status >
RK960_JOIN_STATUS_MONITOR)
&& (priv->join_status < RK960_JOIN_STATUS_MONITOR)) {
/*
* Post group formation, frame transmission on p2p0
* interafce should not use offchannel/generic channel.
* Instead, the frame should be transmitted on interafce
* 1. This is needed by wsc fw.
*/
action = doTx;
txpriv->raw_if_id = 1;
} else
#endif
if (ieee80211_is_auth(fctl))
action = doJoin;
else if (ieee80211_is_probe_req(fctl))
action = doTx;
else if (memcmp(frame->addr1, priv->join_bssid,
sizeof(priv->join_bssid)) &&
(priv->join_status ==
RK960_JOIN_STATUS_STA) &&
(ieee80211_is_data(fctl))) {
action = doDrop;
} else if (ieee80211_has_protected(fctl)) {
/* Drop protected frame during listen
*/
if (!memcmp(frame->addr1, priv->join_bssid,
sizeof(priv->join_bssid)) ||
priv->join_status <
RK960_JOIN_STATUS_MONITOR) {
RK960_INFO_WSM
("Drop during offchannel\n");
action = doDrop;
}
} else if (priv->join_status >=
RK960_JOIN_STATUS_MONITOR)
action = doTx;
else if (get_interface_id_scanning(hw_priv) != -1) {
RK960_INFO_WSM
("Scan ONGOING dropping offchannel"
" eligible frame.\n");
action = doDrop;
} else if (txpriv->if_id == 0
&& is_zero_ether_addr(priv->join_bssid)) {
action = doDrop;
} else if (ieee80211_is_probe_resp(fctl) ||
ieee80211_is_probe_req(fctl) ||
ieee80211_is_action(fctl)) {
action = doOffchannel;
} else
action = doDrop;
}
break;
case NL80211_IFTYPE_AP:
if (unlikely(!priv->join_status))
action = doDrop;
else if (unlikely(!(BIT(txpriv->raw_link_id) &
(BIT(0) | priv->link_id_map)))) {
RK960_INFO_WSM("A frame with expired link id "
"is dropped.\n");
action = doDrop;
}
if (rk960_queue_get_generation(wsm->packetID) >
RK960_MAX_REQUEUE_ATTEMPTS) {
/* HACK!!! WSM324 firmware has tendency to requeue
* multicast frames in a loop, causing performance
* drop and high power consumption of the driver.
* In this situation it is better just to drop
* the problematic frame. */
RK960_INFO_WSM("Too many attempts "
"to requeue a frame. "
"Frame is dropped.\n");
action = doDrop;
}
break;
case NL80211_IFTYPE_ADHOC:
#ifdef IBSS_SUPPORT
if (ieee80211_is_auth(fctl))
action = doTx;
if (!priv->join_status || !priv->link_id_map)
action = doDrop;
break;
#endif
case NL80211_IFTYPE_MESH_POINT:
//STUB();
case NL80211_IFTYPE_MONITOR:
default:
action = doDrop;
break;
}
if (action == doTx) {
if (unlikely(ieee80211_is_probe_req(fctl))) {
#ifdef CONFIG_RK960_TESTMODE
if (hw_priv->enable_advance_scan &&
(priv->join_status == RK960_JOIN_STATUS_STA) &&
(hw_priv->advanceScanElems.scanMode ==
RK960_SCAN_MEASUREMENT_ACTIVE))
/* If Advance Scan is Requested on Active Scan
* then transmit the Probe Request */
action = doTx;
else
#endif
action = doProbe;
} else if ((fctl & __cpu_to_le32(IEEE80211_FCTL_PROTECTED)) &&
tx_info->control.hw_key &&
unlikely(tx_info->control.hw_key->keyidx !=
priv->wep_default_key_id) &&
(tx_info->control.hw_key->cipher ==
WLAN_CIPHER_SUITE_WEP40 ||
tx_info->control.hw_key->cipher ==
WLAN_CIPHER_SUITE_WEP104))
action = doWep;
}
switch (action) {
case doProbe:
{
/* An interesting FW "feature". Device filters
* probe responses.
* The easiest way to get it back is to convert
* probe request into WSM start_scan command. */
RK960_DEBUG_WSM
("[WSM] Convert probe request to scan.\n");
wsm_lock_tx_async(hw_priv);
hw_priv->pending_frame_id =
__le32_to_cpu(wsm->packetID);
queue_delayed_work(hw_priv->workqueue,
&hw_priv->scan.probe_work, 0);
handled = true;
}
break;
case doDrop:
{
/* See detailed description of "join" below.
* We are dropping everything except AUTH in non-joined mode. */
RK960_DEBUG_WSM("[WSM] Drop frame (0x%.4X).\n", fctl);
#ifdef CONFIG_RK960_TESTMODE
BUG_ON(rk960_queue_remove(hw_priv, queue,
__le32_to_cpu(wsm->
packetID)));
#else
BUG_ON(rk960_queue_remove(queue,
__le32_to_cpu(wsm->
packetID)));
#endif /*CONFIG_RK960_TESTMODE */
handled = true;
}
break;
case doJoin:
{
#ifdef RK960_CHANNEL_CONFLICT_OPT
queue_work(hw_priv->workqueue,
&priv->channel_switch_work);
#endif
/* There is one more interesting "feature"
* in FW: it can't do RX/TX before "join".
* "Join" here is not an association,
* but just a syncronization between AP and STA.
* priv->join_status is used only in bh thread and does
* not require protection */
RK960_DEBUG_WSM("[WSM] Issue join command.\n");
wsm_lock_tx_async(hw_priv);
hw_priv->pending_frame_id =
__le32_to_cpu(wsm->packetID);
if (queue_work(hw_priv->workqueue, &priv->join_work) <=
0)
wsm_unlock_tx(hw_priv);
handled = true;
}
break;
case doOffchannel:
{
RK960_DEBUG_WSM("[WSM] Offchannel TX request.\n");
wsm_lock_tx_async(hw_priv);
hw_priv->pending_frame_id =
__le32_to_cpu(wsm->packetID);
if (queue_work
(hw_priv->workqueue, &priv->offchannel_work) <= 0)
wsm_unlock_tx(hw_priv);
handled = true;
}
break;
case doWep:
{
RK960_DEBUG_WSM("[WSM] Issue set_default_wep_key.\n");
wsm_lock_tx_async(hw_priv);
priv->wep_default_key_id =
tx_info->control.hw_key->keyidx;
hw_priv->pending_frame_id =
__le32_to_cpu(wsm->packetID);
if (queue_work(hw_priv->workqueue, &priv->wep_key_work)
<= 0)
wsm_unlock_tx(hw_priv);
handled = true;
}
break;
case doTx:
{
#if 0
/* Kept for history. If you want to implement wsm->more,
* make sure you are able to send a frame after that. */
wsm->more = (count > 1) ? 1 : 0;
if (wsm->more) {
/* HACK!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
* It's undocumented in WSM spec, but RK960 hangs
* if 'more' is set and no TX is performed due to TX
* buffers limitation. */
if (priv->hw_bufs_used + 1 ==
priv->wsm_caps.numInpChBufs)
wsm->more = 0;
}
/* BUG!!! FIXME: we can't use 'more' at all: we don't know
* future. It could be a request from upper layer with TX lock
* requirements (scan, for example). If "more" is set device
* will not send data and wsm_tx_lock() will fail...
* It's not obvious how to fix this deadlock. Any ideas?
* As a workaround more is set to 0. */
wsm->more = 0;
#endif /* 0 */
if (ieee80211_is_deauth(fctl) &&
priv->mode != NL80211_IFTYPE_AP) {
/* Shedule unjoin work */
RK960_DEBUG_WSM("[WSM] Issue unjoin command"
" (TX).\n");
#if 0
wsm->more = 0;
#endif /* 0 */
wsm_lock_tx_async(hw_priv);
if (queue_work(hw_priv->workqueue,
&priv->unjoin_work) <= 0)
wsm_unlock_tx(hw_priv);
}
}
break;
}
return handled;
}
static int rk960_get_prio_queue(struct rk960_vif *priv,
u32 link_id_map, int *total)
{
struct rk960_common *hw_priv = rk960_vifpriv_to_hwpriv(priv);
static u32 urgent;
struct wsm_edca_queue_params *edca;
unsigned score, best = -1;
int winner = -1;
int queued;
int i;
urgent = BIT(priv->link_id_after_dtim) | BIT(priv->link_id_uapsd);
/* search for a winner using edca params */
for (i = 0; i < 4; ++i) {
queued = rk960_queue_get_num_queued(priv,
&hw_priv->tx_queue[i],
link_id_map);
if (!queued)
continue;
*total += queued;
edca = &priv->edca.params[i];
score = ((edca->aifns + edca->cwMin) << 16) +
(edca->cwMax - edca->cwMin) *
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 10, 0))
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(6, 1, 0))
(get_random_u16() & 0xFFFF);
#else
(get_random_int() & 0xFFFF);
#endif
#else
(random32() & 0xFFFF);
#endif
if (score < best && (winner < 0 || i != 3)) {
best = score;
winner = i;
}
}
/* override winner if bursting */
if (winner >= 0 && hw_priv->tx_burst_idx >= 0 &&
winner != hw_priv->tx_burst_idx &&
!rk960_queue_get_num_queued(priv,
&hw_priv->tx_queue[winner],
link_id_map & urgent) &&
rk960_queue_get_num_queued(priv,
&hw_priv->tx_queue[hw_priv->
tx_burst_idx],
link_id_map))
winner = hw_priv->tx_burst_idx;
return winner;
}
static int wsm_get_tx_queue_and_mask(struct rk960_vif *priv,
struct rk960_queue **queue_p,
u32 * tx_allowed_mask_p, bool * more)
{
struct rk960_common *hw_priv = rk960_vifpriv_to_hwpriv(priv);
int idx;
u32 tx_allowed_mask;
int total = 0;
/* Search for a queue with multicast frames buffered */
if (priv->tx_multicast) {
tx_allowed_mask = BIT(priv->link_id_after_dtim);
idx = rk960_get_prio_queue(priv, tx_allowed_mask, &total);
if (idx >= 0) {
*more = total > 1;
goto found;
}
}
/* Search for unicast traffic */
tx_allowed_mask = ~priv->sta_asleep_mask;
tx_allowed_mask |= BIT(priv->link_id_uapsd);
if (priv->sta_asleep_mask) {
tx_allowed_mask |= priv->pspoll_mask;
tx_allowed_mask &= ~BIT(priv->link_id_after_dtim);
} else {
tx_allowed_mask |= BIT(priv->link_id_after_dtim);
}
idx = rk960_get_prio_queue(priv, tx_allowed_mask, &total);
if (idx < 0)
return -ENOENT;
found:
*queue_p = &hw_priv->tx_queue[idx];
*tx_allowed_mask_p = tx_allowed_mask;
return 0;
}
int wsm_get_tx(struct rk960_common *hw_priv, u8 ** data,
size_t * tx_len, int *burst, int *vif_selected)
{
struct wsm_tx *wsm = NULL;
struct ieee80211_tx_info *tx_info;
struct rk960_queue *queue = NULL;
int queue_num;
u32 tx_allowed_mask = 0;
struct rk960_txpriv *txpriv = NULL;
#ifdef P2P_MULTIVIF
int first = 1;
int tmp_if_id = -1;
#endif
/*
* Count was intended as an input for wsm->more flag.
* During implementation it was found that wsm->more
* is not usable, see details above. It is kept just
* in case you would like to try to implement it again.
*/
int count = 0;
#ifdef P2P_MULTIVIF
int if_pending = RK960_MAX_VIFS - 1;
#else
int if_pending = 1;
#endif
/* More is used only for broadcasts. */
bool more = false;
unsigned long *xmited_timestamp;
count = rk960_itp_get_tx(hw_priv, data, tx_len, burst);
if (count)
return count;
if (hw_priv->wsm_cmd.ptr) {
++count;
spin_lock(&hw_priv->wsm_cmd.lock);
BUG_ON(!hw_priv->wsm_cmd.ptr);
*data = hw_priv->wsm_cmd.ptr;
*tx_len = hw_priv->wsm_cmd.len;
*burst = 1;
*vif_selected = -1;
spin_unlock(&hw_priv->wsm_cmd.lock);
} else {
for (;;) {
int ret;
struct rk960_vif *priv;
#if 0
int num_pending_vif0, num_pending_vif1;
#endif
if (atomic_add_return(0, &hw_priv->tx_lock) /* &&
!hw_priv->scan.req */ )
break;
/* Keep one buffer reserved for commands. Note
that, hw_bufs_used has already been incremented
before reaching here. */
if (hw_priv->hw_bufs_used >=
hw_priv->wsm_caps.numInpChBufs)
break;
#ifdef DISABLE_MULTI_WSM_TX
if (hw_priv->tx_pending)
break;
#endif
#ifdef P2P_MULTIVIF
if (first) {
tmp_if_id = hw_priv->if_id_selected;
hw_priv->if_id_selected = 2;
}
#endif
priv = wsm_get_interface_for_tx(hw_priv);
/* go to next interface ID to select next packet */
#ifdef P2P_MULTIVIF
if (first) {
hw_priv->if_id_selected = tmp_if_id;
first = 0;
} else
#endif
hw_priv->if_id_selected ^= 1;
/* There might be no interface before add_interface
* call */
if (!priv) {
if (if_pending) {
#ifdef P2P_MULTIVIF
if_pending--;
#else
if_pending = 0;
#endif
continue;
}
break;
}
#if 0
if (((priv->if_id == 0) &&
(hw_priv->hw_bufs_used_vif[0] >=
RK960_FW_VIF0_THROTTLE)) ||
((priv->if_id == 1) &&
(hw_priv->hw_bufs_used_vif[1] >=
RK960_FW_VIF1_THROTTLE))) {
rk960_priv_vif_list_read_unlock(&priv->
vif_lock);
if (if_pending) {
if_pending = 0;
continue;
}
break;
}
#endif
/* This can be removed probably: rk960_vif will not
* be in hw_priv->vif_list (as returned from
* wsm_get_interface_for_tx) until it's fully
* enabled, so statement above will take case of that*/
if (!atomic_read(&priv->enabled)) {
rk960_priv_vif_list_read_unlock(&priv->
vif_lock);
break;
}
/* TODO:COMBO: Find the next interface for which
* packet needs to be found */
spin_lock_bh(&priv->ps_state_lock);
ret = wsm_get_tx_queue_and_mask(priv, &queue,
&tx_allowed_mask,
&more);
queue_num = queue - hw_priv->tx_queue;
if (priv->buffered_multicasts &&
(ret || !more) &&
(priv->tx_multicast || !priv->sta_asleep_mask)) {
priv->buffered_multicasts = false;
if (priv->tx_multicast) {
priv->tx_multicast = false;
RK960_DEBUG_AP
("%s: multicast_stop_work\n",
__func__);
queue_work(hw_priv->workqueue,
&priv->multicast_stop_work);
}
}
spin_unlock_bh(&priv->ps_state_lock);
if (ret) {
rk960_priv_vif_list_read_unlock(&priv->
vif_lock);
#ifdef P2P_MULTIVIF
if (if_pending) {
#else
if (if_pending == 1) {
#endif
#ifdef P2P_MULTIVIF
if_pending--;
#else
if_pending = 0;
#endif
continue;
}
break;
}
if (rk960_queue_get(queue,
priv->if_id,
tx_allowed_mask,
&wsm, &tx_info, &txpriv,
&xmited_timestamp)) {
rk960_priv_vif_list_read_unlock(&priv->
vif_lock);
if_pending = 0;
continue;
}
#ifdef ROC_DEBUG
{
struct ieee80211_hdr *hdr =
(struct ieee80211_hdr *)
&((u8 *) wsm)[txpriv->offset];
RK960_DEBUG_WSM("QGET-1 %x, off_id %d,"
" if_id %d\n",
hdr->frame_control,
txpriv->offchannel_if_id,
priv->if_id);
}
#endif
if (wsm_handle_tx_data(priv, wsm,
tx_info, txpriv, queue)) {
rk960_priv_vif_list_read_unlock(&priv->
vif_lock);
if_pending = 0;
rk960_bh_wakeup(hw_priv);
continue; /* Handled by WSM */
}
if (xmited_timestamp)
*xmited_timestamp = jiffies;
wsm->hdr.id &=
__cpu_to_le16(~WSM_TX_IF_ID(WSM_TX_IF_ID_MAX));
#ifdef P2P_MULTIVIF
if (txpriv->raw_if_id)
wsm->hdr.id |=
cpu_to_le16(WSM_TX_IF_ID
(txpriv->raw_if_id));
#else
if (txpriv->offchannel_if_id)
wsm->hdr.id |=
cpu_to_le16(WSM_TX_IF_ID
(txpriv->offchannel_if_id));
#endif
else
wsm->hdr.id |=
cpu_to_le16(WSM_TX_IF_ID(priv->if_id));
*vif_selected = priv->if_id;
#ifdef ROC_DEBUG
{
struct ieee80211_hdr *hdr =
(struct ieee80211_hdr *)
&((u8 *) wsm)[txpriv->offset];
RK960_DEBUG_WSM("QGET-2 %x, off_id %d,"
" if_id %d\n",
hdr->frame_control,
txpriv->offchannel_if_id,
priv->if_id);
}
#endif
priv->pspoll_mask &= ~BIT(txpriv->raw_link_id);
*data = (u8 *) wsm;
*tx_len = __le16_to_cpu(wsm->hdr.len);
/* allow bursting if txop is set */
#if USE_SDIO_TX_CONTINUE
if (1)
#else
if (priv->edca.params[queue_num].txOpLimit)
#endif
*burst = min(*burst,
(int)
rk960_queue_get_num_queued(priv,
queue,
tx_allowed_mask)
+ 1);
else
*burst = 1;
#if USE_SDIO_TX_CONTINUE
*burst = min(*burst, 8);
#endif
//pr_info("txOpLimit %d burst %d\n", priv->edca.params[queue_num].txOpLimit, *burst);
/* store index of bursting queue */
if (*burst > 1
&& priv->edca.params[queue_num].txOpLimit)
hw_priv->tx_burst_idx = queue_num;
else
hw_priv->tx_burst_idx = -1;
if (more) {
struct ieee80211_hdr *hdr =
(struct ieee80211_hdr *)
&((u8 *) wsm)[txpriv->offset];
if (strstr(&priv->ssid[0], "6.1.12")) {
if (hdr->addr1[0] & 0x01) {
hdr->frame_control |=
cpu_to_le16
(IEEE80211_FCTL_MOREDATA);
}
} else {
/* more buffered multicast/broadcast frames
* ==> set MoreData flag in IEEE 802.11 header
* to inform PS STAs */
hdr->frame_control |=
cpu_to_le16
(IEEE80211_FCTL_MOREDATA);
}
}
RK960_INFO_WSM
("[WSM] >>> WSM_TX_REQ 0x%.4X (%d) pid %x %d %c %d %d\n",
0x0004, (int)*tx_len, wsm->packetID, priv->if_id,
wsm->more ? 'M' : ' ', hw_priv->hw_bufs_used,
atomic_add_return(1, &hw_priv->msg_idx));
#ifdef DISABLE_MULTI_WSM_TX
hw_priv->tx_pending++;
#endif
++count;
rk960_priv_vif_list_read_unlock(&priv->vif_lock);
break;
}
}
return count;
}
void wsm_txed(struct rk960_common *hw_priv, u8 * data)
{
if (data == hw_priv->wsm_cmd.ptr) {
spin_lock(&hw_priv->wsm_cmd.lock);
hw_priv->wsm_cmd.ptr = NULL;
spin_unlock(&hw_priv->wsm_cmd.lock);
}
}
/* ******************************************************************** */
/* WSM buffer */
#define WSM_BUF_BLOCK_SIZE (2048)
void wsm_buf_init(struct wsm_buf *buf)
{
BUG_ON(buf->begin);
buf->begin = kmalloc(WSM_BUF_BLOCK_SIZE, GFP_KERNEL | GFP_DMA);
buf->end = buf->begin ? &buf->begin[WSM_BUF_BLOCK_SIZE] : buf->begin;
wsm_buf_reset(buf);
}
void wsm_buf_deinit(struct wsm_buf *buf)
{
kfree(buf->begin);
buf->begin = buf->data = buf->end = NULL;
}
static void wsm_buf_reset(struct wsm_buf *buf)
{
if (buf->begin) {
buf->data = &buf->begin[4];
*(u32 *) buf->begin = 0;
} else
buf->data = buf->begin;
}
static int wsm_buf_reserve(struct wsm_buf *buf, size_t extra_size)
{
size_t pos = buf->data - buf->begin;
size_t size = pos + extra_size;
if (size & (WSM_BUF_BLOCK_SIZE - 1)) {
size &= WSM_BUF_BLOCK_SIZE;
size += WSM_BUF_BLOCK_SIZE;
}
buf->begin = krealloc(buf->begin, size, GFP_KERNEL | GFP_DMA);
if (buf->begin) {
buf->data = &buf->begin[pos];
buf->end = &buf->begin[size];
return 0;
} else {
buf->end = buf->data = buf->begin;
return -ENOMEM;
}
}
#ifdef RK960_VIF_LIST_USE_RCU_LOCK
static struct rk960_vif
*wsm_get_interface_for_tx(struct rk960_common *hw_priv)
{
struct rk960_vif *priv = NULL;
int i = hw_priv->if_id_selected;
struct ieee80211_vif *i_priv = NULL;
rk960_hw_vif_read_lock(&hw_priv->vif_list_lock);
i_priv = RK960_HW_VIF_GET(hw_priv->vif_list[i]);
if (i_priv)
priv = rk960_get_vif_from_ieee80211(i_priv);
if (!priv)
rk960_hw_vif_read_unlock(&hw_priv->vif_list_lock);
/* TODO:COMBO:
* Find next interface based on TX bitmap announced by the FW
* Find next interface based on load balancing */
return priv;
}
#else
static struct rk960_vif
*wsm_get_interface_for_tx(struct rk960_common *hw_priv)
{
struct rk960_vif *priv = NULL, *i_priv;
int i = hw_priv->if_id_selected;
if (is_hardware_version1(hw_priv) || 1 /*TODO:COMBO */ ) {
rk960_hw_vif_read_lock(&hw_priv->vif_list_lock);
#if 0
rk960_for_each_vif(hw_priv, i_priv, i) {
for (i = 0; i < RK960_MAX_VIFS; i++) {
i_priv = hw_priv->vif_list[i] ?
rk960_get_vif_from_ieee80211(hw_priv->
vif_list[i]) :
NULL;
if (i_priv) {
priv = i_priv;
rk960_priv_vif_list_read_lock(&priv->
vif_lock);
break;
}
}
#endif
i_priv = hw_priv->vif_list[i] ?
rk960_get_vif_from_ieee80211(hw_priv->
vif_list[i]) : NULL;
if (i_priv) {
priv = i_priv;
rk960_priv_vif_list_read_lock(&priv->vif_lock);
}
/* TODO:COMBO:
* Find next interface based on TX bitmap announced by the FW
* Find next interface based on load balancing */
rk960_hw_vif_read_unlock(&hw_priv->vif_list_lock);
}
else {
priv = rk960_hwpriv_to_vifpriv(hw_priv, 0);
}
return priv;
}
#endif
static inline int get_interface_id_scanning(struct rk960_common
*hw_priv) {
if ((hw_priv->scan.req) || (hw_priv->scan.direct_probe))
return hw_priv->scan.if_id;
else
return -1;
}
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