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iwlwifi: refactor testmode 

Create an object that will enacpsulate the testmode functionality
that is common to all op modes.

 * Copy definitions from dvm/dev.h
 * Copy the testmode logic from dvm/testmode.c
 * Link iwl-test object into the iwlwifi module
 * Modify DVM to use iwl-test object

Reviewed-by: Amit Beka <amit.beka@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Ilan Peer 2012-06-03 13:36:51 +03:00 committed by Johannes Berg
parent b1abedada3
commit 3a6490c084
9 changed files with 1032 additions and 767 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/net/wireless/iwlwifi/Makefile
View File

@ -13,5 +13,6 @@ iwlwifi-objs += pcie/drv.o pcie/rx.o pcie/tx.o pcie/trans.o
iwlwifi-objs += pcie/1000.o pcie/2000.o pcie/5000.o pcie/6000.o
iwlwifi-$(CONFIG_IWLWIFI_DEVICE_TRACING) += iwl-devtrace.o
iwlwifi-$(CONFIG_IWLWIFI_DEVICE_TESTMODE) += iwl-test.o
ccflags-y += -D__CHECK_ENDIAN__ -I$(src)

17
drivers/net/wireless/iwlwifi/dvm/agn.h
View File

@ -395,8 +395,10 @@ static inline __le32 iwl_hw_set_rate_n_flags(u8 rate, u32 flags)
}
extern int iwl_alive_start(struct iwl_priv *priv);
/* svtool */
/* testmode support */
#ifdef CONFIG_IWLWIFI_DEVICE_TESTMODE
extern int iwlagn_mac_testmode_cmd(struct ieee80211_hw *hw, void *data,
int len);
extern int iwlagn_mac_testmode_dump(struct ieee80211_hw *hw,
@ -404,13 +406,16 @@ extern int iwlagn_mac_testmode_dump(struct ieee80211_hw *hw,
struct netlink_callback *cb,
void *data, int len);
extern void iwl_testmode_init(struct iwl_priv *priv);
extern void iwl_testmode_cleanup(struct iwl_priv *priv);
extern void iwl_testmode_free(struct iwl_priv *priv);
#else
static inline
int iwlagn_mac_testmode_cmd(struct ieee80211_hw *hw, void *data, int len)
{
return -ENOSYS;
}
static inline
int iwlagn_mac_testmode_dump(struct ieee80211_hw *hw, struct sk_buff *skb,
struct netlink_callback *cb,
@ -418,12 +423,12 @@ int iwlagn_mac_testmode_dump(struct ieee80211_hw *hw, struct sk_buff *skb,
{
return -ENOSYS;
}
static inline
void iwl_testmode_init(struct iwl_priv *priv)
static inline void iwl_testmode_init(struct iwl_priv *priv)
{
}
static inline
void iwl_testmode_cleanup(struct iwl_priv *priv)
static inline void iwl_testmode_free(struct iwl_priv *priv)
{
}
#endif

26
drivers/net/wireless/iwlwifi/dvm/dev.h
View File

@ -52,6 +52,8 @@
#include "rs.h"
#include "tt.h"
#include "iwl-test.h"
/* CT-KILL constants */
#define CT_KILL_THRESHOLD_LEGACY 110 /* in Celsius */
#define CT_KILL_THRESHOLD 114 /* in Celsius */
@ -596,24 +598,6 @@ struct iwl_lib_ops {
void (*temperature)(struct iwl_priv *priv);
};
#ifdef CONFIG_IWLWIFI_DEVICE_TESTMODE
struct iwl_testmode_trace {
u32 buff_size;
u32 total_size;
u32 num_chunks;
u8 *cpu_addr;
u8 *trace_addr;
dma_addr_t dma_addr;
bool trace_enabled;
};
struct iwl_testmode_mem {
u32 buff_size;
u32 num_chunks;
u8 *buff_addr;
bool read_in_progress;
};
#endif
struct iwl_wipan_noa_data {
struct rcu_head rcu_head;
u32 length;
@ -670,8 +654,6 @@ struct iwl_priv {
enum ieee80211_band band;
u8 valid_contexts;
void (*pre_rx_handler)(struct iwl_priv *priv,
struct iwl_rx_cmd_buffer *rxb);
int (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv,
struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd);
@ -895,9 +877,9 @@ struct iwl_priv {
struct led_classdev led;
unsigned long blink_on, blink_off;
bool led_registered;
#ifdef CONFIG_IWLWIFI_DEVICE_TESTMODE
struct iwl_testmode_trace testmode_trace;
struct iwl_testmode_mem testmode_mem;
struct iwl_test tst;
u32 tm_fixed_rate;
#endif

2
drivers/net/wireless/iwlwifi/dvm/main.c
View File

@ -1548,7 +1548,7 @@ static void iwl_op_mode_dvm_stop(struct iwl_op_mode *op_mode)
iwl_dbgfs_unregister(priv);
iwl_testmode_cleanup(priv);
iwl_testmode_free(priv);
iwlagn_mac_unregister(priv);
iwl_tt_exit(priv);

24
drivers/net/wireless/iwlwifi/dvm/rx.c
View File

@ -1124,8 +1124,6 @@ int iwl_rx_dispatch(struct iwl_op_mode *op_mode, struct iwl_rx_cmd_buffer *rxb,
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode);
void (*pre_rx_handler)(struct iwl_priv *,
struct iwl_rx_cmd_buffer *);
int err = 0;
/*
@ -1135,19 +1133,19 @@ int iwl_rx_dispatch(struct iwl_op_mode *op_mode, struct iwl_rx_cmd_buffer *rxb,
*/
iwl_notification_wait_notify(&priv->notif_wait, pkt);
/* RX data may be forwarded to userspace (using pre_rx_handler) in one
* of two cases: the first, that the user owns the uCode through
* testmode - in such case the pre_rx_handler is set and no further
* processing takes place. The other case is when the user want to
* monitor the rx w/o affecting the regular flow - the pre_rx_handler
* will be set but the ownership flag != IWL_OWNERSHIP_TM and the flow
#ifdef CONFIG_IWLWIFI_DEVICE_TESTMODE
/*
* RX data may be forwarded to userspace in one
* of two cases: the user owns the fw through testmode or when
* the user requested to monitor the rx w/o affecting the regular flow.
* In these cases the iwl_test object will handle forwarding the rx
* data to user space.
* Note that if the ownership flag != IWL_OWNERSHIP_TM the flow
* continues.
* We need to use ACCESS_ONCE to prevent a case where the handler
* changes between the check and the call.
*/
pre_rx_handler = ACCESS_ONCE(priv->pre_rx_handler);
if (pre_rx_handler)
pre_rx_handler(priv, rxb);
iwl_test_rx(&priv->tst, priv->hw, rxb);
#endif
if (priv->ucode_owner != IWL_OWNERSHIP_TM) {
/* Based on type of command response or notification,
* handle those that need handling via function in

779
drivers/net/wireless/iwlwifi/dvm/testmode.c
View File

@ -60,6 +60,7 @@
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*****************************************************************************/
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/module.h>
@ -69,355 +70,55 @@
#include <net/cfg80211.h>
#include <net/mac80211.h>
#include <net/netlink.h>
#include "iwl-debug.h"
#include "iwl-io.h"
#include "iwl-trans.h"
#include "iwl-fh.h"
#include "iwl-prph.h"
#include "dev.h"
#include "agn.h"
#include "testmode.h"
#include "iwl-test.h"
#include "iwl-testmode.h"
static int iwl_testmode_send_cmd(struct iwl_op_mode *op_mode,
struct iwl_host_cmd *cmd)
{
struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode);
return iwl_dvm_send_cmd(priv, cmd);
}
/* Periphery registers absolute lower bound. This is used in order to
* differentiate registery access through HBUS_TARG_PRPH_* and
* HBUS_TARG_MEM_* accesses.
*/
#define IWL_TM_ABS_PRPH_START (0xA00000)
static bool iwl_testmode_valid_hw_addr(u32 addr)
{
if (iwlagn_hw_valid_rtc_data_addr(addr))
return true;
/* The TLVs used in the gnl message policy between the kernel module and
* user space application. iwl_testmode_gnl_msg_policy is to be carried
* through the NL80211_CMD_TESTMODE channel regulated by nl80211.
* See testmode.h
*/
static
struct nla_policy iwl_testmode_gnl_msg_policy[IWL_TM_ATTR_MAX] = {
[IWL_TM_ATTR_COMMAND] = { .type = NLA_U32, },
if (IWLAGN_RTC_INST_LOWER_BOUND <= addr &&
addr < IWLAGN_RTC_INST_UPPER_BOUND)
return true;
[IWL_TM_ATTR_UCODE_CMD_ID] = { .type = NLA_U8, },
[IWL_TM_ATTR_UCODE_CMD_DATA] = { .type = NLA_UNSPEC, },
return false;
}
[IWL_TM_ATTR_REG_OFFSET] = { .type = NLA_U32, },
[IWL_TM_ATTR_REG_VALUE8] = { .type = NLA_U8, },
[IWL_TM_ATTR_REG_VALUE32] = { .type = NLA_U32, },
static u32 iwl_testmode_get_fw_ver(struct iwl_op_mode *op_mode)
{
struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode);
return priv->fw->ucode_ver;
}
[IWL_TM_ATTR_SYNC_RSP] = { .type = NLA_UNSPEC, },
[IWL_TM_ATTR_UCODE_RX_PKT] = { .type = NLA_UNSPEC, },
[IWL_TM_ATTR_EEPROM] = { .type = NLA_UNSPEC, },
[IWL_TM_ATTR_TRACE_ADDR] = { .type = NLA_UNSPEC, },
[IWL_TM_ATTR_TRACE_DUMP] = { .type = NLA_UNSPEC, },
[IWL_TM_ATTR_TRACE_SIZE] = { .type = NLA_U32, },
[IWL_TM_ATTR_FIXRATE] = { .type = NLA_U32, },
[IWL_TM_ATTR_UCODE_OWNER] = { .type = NLA_U8, },
[IWL_TM_ATTR_MEM_ADDR] = { .type = NLA_U32, },
[IWL_TM_ATTR_BUFFER_SIZE] = { .type = NLA_U32, },
[IWL_TM_ATTR_BUFFER_DUMP] = { .type = NLA_UNSPEC, },
[IWL_TM_ATTR_FW_VERSION] = { .type = NLA_U32, },
[IWL_TM_ATTR_DEVICE_ID] = { .type = NLA_U32, },
[IWL_TM_ATTR_FW_TYPE] = { .type = NLA_U32, },
[IWL_TM_ATTR_FW_INST_SIZE] = { .type = NLA_U32, },
[IWL_TM_ATTR_FW_DATA_SIZE] = { .type = NLA_U32, },
[IWL_TM_ATTR_ENABLE_NOTIFICATION] = {.type = NLA_FLAG, },
static struct iwl_test_ops tst_ops = {
.send_cmd = iwl_testmode_send_cmd,
.valid_hw_addr = iwl_testmode_valid_hw_addr,
.get_fw_ver = iwl_testmode_get_fw_ver,
};
/*
* See the struct iwl_rx_packet in commands.h for the format of the
* received events from the device
*/
static inline int get_event_length(struct iwl_rx_cmd_buffer *rxb)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
if (pkt)
return le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK;
else
return 0;
}
/*
* This function multicasts the spontaneous messages from the device to the
* user space. It is invoked whenever there is a received messages
* from the device. This function is called within the ISR of the rx handlers
* in iwlagn driver.
*
* The parsing of the message content is left to the user space application,
* The message content is treated as unattacked raw data and is encapsulated
* with IWL_TM_ATTR_UCODE_RX_PKT multicasting to the user space.
*
* @priv: the instance of iwlwifi device
* @rxb: pointer to rx data content received by the ISR
*
* See the message policies and TLVs in iwl_testmode_gnl_msg_policy[].
* For the messages multicasting to the user application, the mandatory
* TLV fields are :
* IWL_TM_ATTR_COMMAND must be IWL_TM_CMD_DEV2APP_UCODE_RX_PKT
* IWL_TM_ATTR_UCODE_RX_PKT for carrying the message content
*/
static void iwl_testmode_ucode_rx_pkt(struct iwl_priv *priv,
struct iwl_rx_cmd_buffer *rxb)
{
struct ieee80211_hw *hw = priv->hw;
struct sk_buff *skb;
void *data;
int length;
data = (void *)rxb_addr(rxb);
length = get_event_length(rxb);
if (!data || length == 0)
return;
skb = cfg80211_testmode_alloc_event_skb(hw->wiphy, 20 + length,
GFP_ATOMIC);
if (skb == NULL) {
IWL_ERR(priv,
"Run out of memory for messages to user space ?\n");
return;
}
if (nla_put_u32(skb, IWL_TM_ATTR_COMMAND, IWL_TM_CMD_DEV2APP_UCODE_RX_PKT) ||
/* the length doesn't include len_n_flags field, so add it manually */
nla_put(skb, IWL_TM_ATTR_UCODE_RX_PKT, length + sizeof(__le32), data))
goto nla_put_failure;
cfg80211_testmode_event(skb, GFP_ATOMIC);
return;
nla_put_failure:
kfree_skb(skb);
IWL_ERR(priv, "Ouch, overran buffer, check allocation!\n");
}
void iwl_testmode_init(struct iwl_priv *priv)
{
priv->pre_rx_handler = NULL;
priv->testmode_trace.trace_enabled = false;
priv->testmode_mem.read_in_progress = false;
iwl_test_init(&priv->tst, priv->trans, &tst_ops);
}
static void iwl_mem_cleanup(struct iwl_priv *priv)
void iwl_testmode_free(struct iwl_priv *priv)
{
if (priv->testmode_mem.read_in_progress) {
kfree(priv->testmode_mem.buff_addr);
priv->testmode_mem.buff_addr = NULL;
priv->testmode_mem.buff_size = 0;
priv->testmode_mem.num_chunks = 0;
priv->testmode_mem.read_in_progress = false;
}
iwl_test_free(&priv->tst);
}
static void iwl_trace_cleanup(struct iwl_priv *priv)
{
if (priv->testmode_trace.trace_enabled) {
if (priv->testmode_trace.cpu_addr &&
priv->testmode_trace.dma_addr)
dma_free_coherent(priv->trans->dev,
priv->testmode_trace.total_size,
priv->testmode_trace.cpu_addr,
priv->testmode_trace.dma_addr);
priv->testmode_trace.trace_enabled = false;
priv->testmode_trace.cpu_addr = NULL;
priv->testmode_trace.trace_addr = NULL;
priv->testmode_trace.dma_addr = 0;
priv->testmode_trace.buff_size = 0;
priv->testmode_trace.total_size = 0;
}
}
void iwl_testmode_cleanup(struct iwl_priv *priv)
{
iwl_trace_cleanup(priv);
iwl_mem_cleanup(priv);
}
/*
* This function handles the user application commands to the ucode.
*
* It retrieves the mandatory fields IWL_TM_ATTR_UCODE_CMD_ID and
* IWL_TM_ATTR_UCODE_CMD_DATA and calls to the handler to send the
* host command to the ucode.
*
* If any mandatory field is missing, -ENOMSG is replied to the user space
* application; otherwise, waits for the host command to be sent and checks
* the return code. In case or error, it is returned, otherwise a reply is
* allocated and the reply RX packet
* is returned.
*
* @hw: ieee80211_hw object that represents the device
* @tb: gnl message fields from the user space
*/
static int iwl_testmode_ucode(struct ieee80211_hw *hw, struct nlattr **tb)
{
struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
struct iwl_host_cmd cmd;
struct iwl_rx_packet *pkt;
struct sk_buff *skb;
void *reply_buf;
u32 reply_len;
int ret;
bool cmd_want_skb;
memset(&cmd, 0, sizeof(struct iwl_host_cmd));
if (!tb[IWL_TM_ATTR_UCODE_CMD_ID] ||
!tb[IWL_TM_ATTR_UCODE_CMD_DATA]) {
IWL_ERR(priv, "Missing ucode command mandatory fields\n");
return -ENOMSG;
}
cmd.flags = CMD_ON_DEMAND | CMD_SYNC;
cmd_want_skb = nla_get_flag(tb[IWL_TM_ATTR_UCODE_CMD_SKB]);
if (cmd_want_skb)
cmd.flags |= CMD_WANT_SKB;
cmd.id = nla_get_u8(tb[IWL_TM_ATTR_UCODE_CMD_ID]);
cmd.data[0] = nla_data(tb[IWL_TM_ATTR_UCODE_CMD_DATA]);
cmd.len[0] = nla_len(tb[IWL_TM_ATTR_UCODE_CMD_DATA]);
cmd.dataflags[0] = IWL_HCMD_DFL_NOCOPY;
IWL_DEBUG_INFO(priv, "testmode ucode command ID 0x%x, flags 0x%x,"
" len %d\n", cmd.id, cmd.flags, cmd.len[0]);
ret = iwl_dvm_send_cmd(priv, &cmd);
if (ret) {
IWL_ERR(priv, "Failed to send hcmd\n");
return ret;
}
if (!cmd_want_skb)
return ret;
/* Handling return of SKB to the user */
pkt = cmd.resp_pkt;
if (!pkt) {
IWL_ERR(priv, "HCMD received a null response packet\n");
return ret;
}
reply_len = le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK;
skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, reply_len + 20);
reply_buf = kmalloc(reply_len, GFP_KERNEL);
if (!skb || !reply_buf) {
kfree_skb(skb);
kfree(reply_buf);
return -ENOMEM;
}
/* The reply is in a page, that we cannot send to user space. */
memcpy(reply_buf, &(pkt->hdr), reply_len);
iwl_free_resp(&cmd);
if (nla_put_u32(skb, IWL_TM_ATTR_COMMAND, IWL_TM_CMD_DEV2APP_UCODE_RX_PKT) ||
nla_put(skb, IWL_TM_ATTR_UCODE_RX_PKT, reply_len, reply_buf))
goto nla_put_failure;
return cfg80211_testmode_reply(skb);
nla_put_failure:
IWL_DEBUG_INFO(priv, "Failed creating NL attributes\n");
return -ENOMSG;
}
/*
* This function handles the user application commands for register access.
*
* It retrieves command ID carried with IWL_TM_ATTR_COMMAND and calls to the
* handlers respectively.
*
* If it's an unknown commdn ID, -ENOSYS is returned; or -ENOMSG if the
* mandatory fields(IWL_TM_ATTR_REG_OFFSET,IWL_TM_ATTR_REG_VALUE32,
* IWL_TM_ATTR_REG_VALUE8) are missing; Otherwise 0 is replied indicating
* the success of the command execution.
*
* If IWL_TM_ATTR_COMMAND is IWL_TM_CMD_APP2DEV_REG_READ32, the register read
* value is returned with IWL_TM_ATTR_REG_VALUE32.
*
* @hw: ieee80211_hw object that represents the device
* @tb: gnl message fields from the user space
*/
static int iwl_testmode_reg(struct ieee80211_hw *hw, struct nlattr **tb)
{
struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
u32 ofs, val32, cmd;
u8 val8;
struct sk_buff *skb;
int status = 0;
if (!tb[IWL_TM_ATTR_REG_OFFSET]) {
IWL_ERR(priv, "Missing register offset\n");
return -ENOMSG;
}
ofs = nla_get_u32(tb[IWL_TM_ATTR_REG_OFFSET]);
IWL_INFO(priv, "testmode register access command offset 0x%x\n", ofs);
/* Allow access only to FH/CSR/HBUS in direct mode.
Since we don't have the upper bounds for the CSR and HBUS segments,
we will use only the upper bound of FH for sanity check. */
cmd = nla_get_u32(tb[IWL_TM_ATTR_COMMAND]);
if ((cmd == IWL_TM_CMD_APP2DEV_DIRECT_REG_READ32 ||
cmd == IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE32 ||
cmd == IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE8) &&
(ofs >= FH_MEM_UPPER_BOUND)) {
IWL_ERR(priv, "offset out of segment (0x0 - 0x%x)\n",
FH_MEM_UPPER_BOUND);
return -EINVAL;
}
switch (cmd) {
case IWL_TM_CMD_APP2DEV_DIRECT_REG_READ32:
val32 = iwl_read_direct32(priv->trans, ofs);
IWL_INFO(priv, "32bit value to read 0x%x\n", val32);
skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, 20);
if (!skb) {
IWL_ERR(priv, "Memory allocation fail\n");
return -ENOMEM;
}
if (nla_put_u32(skb, IWL_TM_ATTR_REG_VALUE32, val32))
goto nla_put_failure;
status = cfg80211_testmode_reply(skb);
if (status < 0)
IWL_ERR(priv, "Error sending msg : %d\n", status);
break;
case IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE32:
if (!tb[IWL_TM_ATTR_REG_VALUE32]) {
IWL_ERR(priv, "Missing value to write\n");
return -ENOMSG;
} else {
val32 = nla_get_u32(tb[IWL_TM_ATTR_REG_VALUE32]);
IWL_INFO(priv, "32bit value to write 0x%x\n", val32);
iwl_write_direct32(priv->trans, ofs, val32);
}
break;
case IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE8:
if (!tb[IWL_TM_ATTR_REG_VALUE8]) {
IWL_ERR(priv, "Missing value to write\n");
return -ENOMSG;
} else {
val8 = nla_get_u8(tb[IWL_TM_ATTR_REG_VALUE8]);
IWL_INFO(priv, "8bit value to write 0x%x\n", val8);
iwl_write8(priv->trans, ofs, val8);
}
break;
default:
IWL_ERR(priv, "Unknown testmode register command ID\n");
return -ENOSYS;
}
return status;
nla_put_failure:
kfree_skb(skb);
return -EMSGSIZE;
}
static int iwl_testmode_cfg_init_calib(struct iwl_priv *priv)
{
struct iwl_notification_wait calib_wait;
@ -469,7 +170,7 @@ static int iwl_testmode_driver(struct ieee80211_hw *hw, struct nlattr **tb)
struct sk_buff *skb;
unsigned char *rsp_data_ptr = NULL;
int status = 0, rsp_data_len = 0;
u32 devid, inst_size = 0, data_size = 0;
u32 inst_size = 0, data_size = 0;
const struct fw_img *img;
switch (nla_get_u32(tb[IWL_TM_ATTR_COMMAND])) {
@ -563,39 +264,6 @@ static int iwl_testmode_driver(struct ieee80211_hw *hw, struct nlattr **tb)
priv->tm_fixed_rate = nla_get_u32(tb[IWL_TM_ATTR_FIXRATE]);
break;
case IWL_TM_CMD_APP2DEV_GET_FW_VERSION:
IWL_INFO(priv, "uCode version raw: 0x%x\n",
priv->fw->ucode_ver);
skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, 20);
if (!skb) {
IWL_ERR(priv, "Memory allocation fail\n");
return -ENOMEM;
}
if (nla_put_u32(skb, IWL_TM_ATTR_FW_VERSION,
priv->fw->ucode_ver))
goto nla_put_failure;
status = cfg80211_testmode_reply(skb);
if (status < 0)
IWL_ERR(priv, "Error sending msg : %d\n", status);
break;
case IWL_TM_CMD_APP2DEV_GET_DEVICE_ID:
devid = priv->trans->hw_id;
IWL_INFO(priv, "hw version: 0x%x\n", devid);
skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, 20);
if (!skb) {
IWL_ERR(priv, "Memory allocation fail\n");
return -ENOMEM;
}
if (nla_put_u32(skb, IWL_TM_ATTR_DEVICE_ID, devid))
goto nla_put_failure;
status = cfg80211_testmode_reply(skb);
if (status < 0)
IWL_ERR(priv, "Error sending msg : %d\n", status);
break;
case IWL_TM_CMD_APP2DEV_GET_FW_INFO:
skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, 20 + 8);
if (!skb) {
@ -630,125 +298,6 @@ nla_put_failure:
return -EMSGSIZE;
}
/*
* This function handles the user application commands for uCode trace
*
* It retrieves command ID carried with IWL_TM_ATTR_COMMAND and calls to the
* handlers respectively.
*
* If it's an unknown commdn ID, -ENOSYS is replied; otherwise, the returned
* value of the actual command execution is replied to the user application.
*
* @hw: ieee80211_hw object that represents the device
* @tb: gnl message fields from the user space
*/
static int iwl_testmode_trace(struct ieee80211_hw *hw, struct nlattr **tb)
{
struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
struct sk_buff *skb;
int status = 0;
struct device *dev = priv->trans->dev;
switch (nla_get_u32(tb[IWL_TM_ATTR_COMMAND])) {
case IWL_TM_CMD_APP2DEV_BEGIN_TRACE:
if (priv->testmode_trace.trace_enabled)
return -EBUSY;
if (!tb[IWL_TM_ATTR_TRACE_SIZE])
priv->testmode_trace.buff_size = TRACE_BUFF_SIZE_DEF;
else
priv->testmode_trace.buff_size =
nla_get_u32(tb[IWL_TM_ATTR_TRACE_SIZE]);
if (!priv->testmode_trace.buff_size)
return -EINVAL;
if (priv->testmode_trace.buff_size < TRACE_BUFF_SIZE_MIN ||
priv->testmode_trace.buff_size > TRACE_BUFF_SIZE_MAX)
return -EINVAL;
priv->testmode_trace.total_size =
priv->testmode_trace.buff_size + TRACE_BUFF_PADD;
priv->testmode_trace.cpu_addr =
dma_alloc_coherent(dev,
priv->testmode_trace.total_size,
&priv->testmode_trace.dma_addr,
GFP_KERNEL);
if (!priv->testmode_trace.cpu_addr)
return -ENOMEM;
priv->testmode_trace.trace_enabled = true;
priv->testmode_trace.trace_addr = (u8 *)PTR_ALIGN(
priv->testmode_trace.cpu_addr, 0x100);
memset(priv->testmode_trace.trace_addr, 0x03B,
priv->testmode_trace.buff_size);
skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy,
sizeof(priv->testmode_trace.dma_addr) + 20);
if (!skb) {
IWL_ERR(priv, "Memory allocation fail\n");
iwl_trace_cleanup(priv);
return -ENOMEM;
}
if (nla_put(skb, IWL_TM_ATTR_TRACE_ADDR,
sizeof(priv->testmode_trace.dma_addr),
(u64 *)&priv->testmode_trace.dma_addr))
goto nla_put_failure;
status = cfg80211_testmode_reply(skb);
if (status < 0) {
IWL_ERR(priv, "Error sending msg : %d\n", status);
}
priv->testmode_trace.num_chunks =
DIV_ROUND_UP(priv->testmode_trace.buff_size,
DUMP_CHUNK_SIZE);
break;
case IWL_TM_CMD_APP2DEV_END_TRACE:
iwl_trace_cleanup(priv);
break;
default:
IWL_ERR(priv, "Unknown testmode mem command ID\n");
return -ENOSYS;
}
return status;
nla_put_failure:
kfree_skb(skb);
if (nla_get_u32(tb[IWL_TM_ATTR_COMMAND]) ==
IWL_TM_CMD_APP2DEV_BEGIN_TRACE)
iwl_trace_cleanup(priv);
return -EMSGSIZE;
}
static int iwl_testmode_trace_dump(struct ieee80211_hw *hw,
struct sk_buff *skb,
struct netlink_callback *cb)
{
struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
int idx, length;
if (priv->testmode_trace.trace_enabled &&
priv->testmode_trace.trace_addr) {
idx = cb->args[4];
if (idx >= priv->testmode_trace.num_chunks)
return -ENOENT;
length = DUMP_CHUNK_SIZE;
if (((idx + 1) == priv->testmode_trace.num_chunks) &&
(priv->testmode_trace.buff_size % DUMP_CHUNK_SIZE))
length = priv->testmode_trace.buff_size %
DUMP_CHUNK_SIZE;
if (nla_put(skb, IWL_TM_ATTR_TRACE_DUMP, length,
priv->testmode_trace.trace_addr +
(DUMP_CHUNK_SIZE * idx)))
goto nla_put_failure;
idx++;
cb->args[4] = idx;
return 0;
} else
return -EFAULT;
nla_put_failure:
return -ENOBUFS;
}
/*
* This function handles the user application switch ucode ownership.
*
@ -777,10 +326,10 @@ static int iwl_testmode_ownership(struct ieee80211_hw *hw, struct nlattr **tb)
owner = nla_get_u8(tb[IWL_TM_ATTR_UCODE_OWNER]);
if (owner == IWL_OWNERSHIP_DRIVER) {
priv->ucode_owner = owner;
priv->pre_rx_handler = NULL;
iwl_test_enable_notifications(&priv->tst, false);
} else if (owner == IWL_OWNERSHIP_TM) {
priv->pre_rx_handler = iwl_testmode_ucode_rx_pkt;
priv->ucode_owner = owner;
iwl_test_enable_notifications(&priv->tst, true);
} else {
IWL_ERR(priv, "Invalid owner\n");
return -EINVAL;
@ -788,180 +337,6 @@ static int iwl_testmode_ownership(struct ieee80211_hw *hw, struct nlattr **tb)
return 0;
}
static int iwl_testmode_indirect_read(struct iwl_priv *priv, u32 addr, u32 size)
{
struct iwl_trans *trans = priv->trans;
unsigned long flags;
int i;
if (size & 0x3)
return -EINVAL;
priv->testmode_mem.buff_size = size;
priv->testmode_mem.buff_addr =
kmalloc(priv->testmode_mem.buff_size, GFP_KERNEL);
if (priv->testmode_mem.buff_addr == NULL)
return -ENOMEM;
/* Hard-coded periphery absolute address */
if (IWL_TM_ABS_PRPH_START <= addr &&
addr < IWL_TM_ABS_PRPH_START + PRPH_END) {
spin_lock_irqsave(&trans->reg_lock, flags);
iwl_grab_nic_access(trans);
iwl_write32(trans, HBUS_TARG_PRPH_RADDR,
addr | (3 << 24));
for (i = 0; i < size; i += 4)
*(u32 *)(priv->testmode_mem.buff_addr + i) =
iwl_read32(trans, HBUS_TARG_PRPH_RDAT);
iwl_release_nic_access(trans);
spin_unlock_irqrestore(&trans->reg_lock, flags);
} else { /* target memory (SRAM) */
_iwl_read_targ_mem_words(trans, addr,
priv->testmode_mem.buff_addr,
priv->testmode_mem.buff_size / 4);
}
priv->testmode_mem.num_chunks =
DIV_ROUND_UP(priv->testmode_mem.buff_size, DUMP_CHUNK_SIZE);
priv->testmode_mem.read_in_progress = true;
return 0;
}
static int iwl_testmode_indirect_write(struct iwl_priv *priv, u32 addr,
u32 size, unsigned char *buf)
{
struct iwl_trans *trans = priv->trans;
u32 val, i;
unsigned long flags;
if (IWL_TM_ABS_PRPH_START <= addr &&
addr < IWL_TM_ABS_PRPH_START + PRPH_END) {
/* Periphery writes can be 1-3 bytes long, or DWORDs */
if (size < 4) {
memcpy(&val, buf, size);
spin_lock_irqsave(&trans->reg_lock, flags);
iwl_grab_nic_access(trans);
iwl_write32(trans, HBUS_TARG_PRPH_WADDR,
(addr & 0x0000FFFF) |
((size - 1) << 24));
iwl_write32(trans, HBUS_TARG_PRPH_WDAT, val);
iwl_release_nic_access(trans);
/* needed after consecutive writes w/o read */
mmiowb();
spin_unlock_irqrestore(&trans->reg_lock, flags);
} else {
if (size % 4)
return -EINVAL;
for (i = 0; i < size; i += 4)
iwl_write_prph(trans, addr+i,
*(u32 *)(buf+i));
}
} else if (iwlagn_hw_valid_rtc_data_addr(addr) ||
(IWLAGN_RTC_INST_LOWER_BOUND <= addr &&
addr < IWLAGN_RTC_INST_UPPER_BOUND)) {
_iwl_write_targ_mem_words(trans, addr, buf, size/4);
} else
return -EINVAL;
return 0;
}
/*
* This function handles the user application commands for SRAM data dump
*
* It retrieves the mandatory fields IWL_TM_ATTR_SRAM_ADDR and
* IWL_TM_ATTR_SRAM_SIZE to decide the memory area for SRAM data reading
*
* Several error will be retured, -EBUSY if the SRAM data retrieved by
* previous command has not been delivered to userspace, or -ENOMSG if
* the mandatory fields (IWL_TM_ATTR_SRAM_ADDR,IWL_TM_ATTR_SRAM_SIZE)
* are missing, or -ENOMEM if the buffer allocation fails.
*
* Otherwise 0 is replied indicating the success of the SRAM reading.
*
* @hw: ieee80211_hw object that represents the device
* @tb: gnl message fields from the user space
*/
static int iwl_testmode_indirect_mem(struct ieee80211_hw *hw,
struct nlattr **tb)
{
struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
u32 addr, size, cmd;
unsigned char *buf;
/* Both read and write should be blocked, for atomicity */
if (priv->testmode_mem.read_in_progress)
return -EBUSY;
cmd = nla_get_u32(tb[IWL_TM_ATTR_COMMAND]);
if (!tb[IWL_TM_ATTR_MEM_ADDR]) {
IWL_ERR(priv, "Error finding memory offset address\n");
return -ENOMSG;
}
addr = nla_get_u32(tb[IWL_TM_ATTR_MEM_ADDR]);
if (!tb[IWL_TM_ATTR_BUFFER_SIZE]) {
IWL_ERR(priv, "Error finding size for memory reading\n");
return -ENOMSG;
}
size = nla_get_u32(tb[IWL_TM_ATTR_BUFFER_SIZE]);
if (cmd == IWL_TM_CMD_APP2DEV_INDIRECT_BUFFER_READ)
return iwl_testmode_indirect_read(priv, addr, size);
else {
if (!tb[IWL_TM_ATTR_BUFFER_DUMP])
return -EINVAL;
buf = (unsigned char *) nla_data(tb[IWL_TM_ATTR_BUFFER_DUMP]);
return iwl_testmode_indirect_write(priv, addr, size, buf);
}
}
static int iwl_testmode_buffer_dump(struct ieee80211_hw *hw,
struct sk_buff *skb,
struct netlink_callback *cb)
{
struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
int idx, length;
if (priv->testmode_mem.read_in_progress) {
idx = cb->args[4];
if (idx >= priv->testmode_mem.num_chunks) {
iwl_mem_cleanup(priv);
return -ENOENT;
}
length = DUMP_CHUNK_SIZE;
if (((idx + 1) == priv->testmode_mem.num_chunks) &&
(priv->testmode_mem.buff_size % DUMP_CHUNK_SIZE))
length = priv->testmode_mem.buff_size %
DUMP_CHUNK_SIZE;
if (nla_put(skb, IWL_TM_ATTR_BUFFER_DUMP, length,
priv->testmode_mem.buff_addr +
(DUMP_CHUNK_SIZE * idx)))
goto nla_put_failure;
idx++;
cb->args[4] = idx;
return 0;
} else
return -EFAULT;
nla_put_failure:
return -ENOBUFS;
}
static int iwl_testmode_notifications(struct ieee80211_hw *hw,
struct nlattr **tb)
{
struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
bool enable;
enable = nla_get_flag(tb[IWL_TM_ATTR_ENABLE_NOTIFICATION]);
if (enable)
priv->pre_rx_handler = iwl_testmode_ucode_rx_pkt;
else
priv->pre_rx_handler = NULL;
return 0;
}
/* The testmode gnl message handler that takes the gnl message from the
* user space and parses it per the policy iwl_testmode_gnl_msg_policy, then
* invoke the corresponding handlers.
@ -987,32 +362,27 @@ int iwlagn_mac_testmode_cmd(struct ieee80211_hw *hw, void *data, int len)
struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
int result;
result = nla_parse(tb, IWL_TM_ATTR_MAX - 1, data, len,
iwl_testmode_gnl_msg_policy);
if (result != 0) {
IWL_ERR(priv, "Error parsing the gnl message : %d\n", result);
result = iwl_test_parse(&priv->tst, tb, data, len);
if (result)
return result;
}
/* IWL_TM_ATTR_COMMAND is absolutely mandatory */
if (!tb[IWL_TM_ATTR_COMMAND]) {
IWL_ERR(priv, "Missing testmode command type\n");
return -ENOMSG;
}
/* in case multiple accesses to the device happens */
mutex_lock(&priv->mutex);
switch (nla_get_u32(tb[IWL_TM_ATTR_COMMAND])) {
case IWL_TM_CMD_APP2DEV_UCODE:
IWL_DEBUG_INFO(priv, "testmode cmd to uCode\n");
result = iwl_testmode_ucode(hw, tb);
break;
case IWL_TM_CMD_APP2DEV_DIRECT_REG_READ32:
case IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE32:
case IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE8:
IWL_DEBUG_INFO(priv, "testmode cmd to register\n");
result = iwl_testmode_reg(hw, tb);
case IWL_TM_CMD_APP2DEV_BEGIN_TRACE:
case IWL_TM_CMD_APP2DEV_END_TRACE:
case IWL_TM_CMD_APP2DEV_INDIRECT_BUFFER_READ:
case IWL_TM_CMD_APP2DEV_NOTIFICATIONS:
case IWL_TM_CMD_APP2DEV_GET_FW_VERSION:
case IWL_TM_CMD_APP2DEV_GET_DEVICE_ID:
case IWL_TM_CMD_APP2DEV_INDIRECT_BUFFER_WRITE:
result = iwl_test_handle_cmd(&priv->tst, hw, tb);
break;
case IWL_TM_CMD_APP2DEV_GET_DEVICENAME:
case IWL_TM_CMD_APP2DEV_LOAD_INIT_FW:
case IWL_TM_CMD_APP2DEV_CFG_INIT_CALIB:
@ -1020,45 +390,25 @@ int iwlagn_mac_testmode_cmd(struct ieee80211_hw *hw, void *data, int len)
case IWL_TM_CMD_APP2DEV_GET_EEPROM:
case IWL_TM_CMD_APP2DEV_FIXRATE_REQ:
case IWL_TM_CMD_APP2DEV_LOAD_WOWLAN_FW:
case IWL_TM_CMD_APP2DEV_GET_FW_VERSION:
case IWL_TM_CMD_APP2DEV_GET_DEVICE_ID:
case IWL_TM_CMD_APP2DEV_GET_FW_INFO:
IWL_DEBUG_INFO(priv, "testmode cmd to driver\n");
result = iwl_testmode_driver(hw, tb);
break;
case IWL_TM_CMD_APP2DEV_BEGIN_TRACE:
case IWL_TM_CMD_APP2DEV_END_TRACE:
case IWL_TM_CMD_APP2DEV_READ_TRACE:
IWL_DEBUG_INFO(priv, "testmode uCode trace cmd to driver\n");
result = iwl_testmode_trace(hw, tb);
break;
case IWL_TM_CMD_APP2DEV_OWNERSHIP:
IWL_DEBUG_INFO(priv, "testmode change uCode ownership\n");
result = iwl_testmode_ownership(hw, tb);
break;
case IWL_TM_CMD_APP2DEV_INDIRECT_BUFFER_READ:
case IWL_TM_CMD_APP2DEV_INDIRECT_BUFFER_WRITE:
IWL_DEBUG_INFO(priv, "testmode indirect memory cmd "
"to driver\n");
result = iwl_testmode_indirect_mem(hw, tb);
break;
case IWL_TM_CMD_APP2DEV_NOTIFICATIONS:
IWL_DEBUG_INFO(priv, "testmode notifications cmd "
"to driver\n");
result = iwl_testmode_notifications(hw, tb);
break;
default:
IWL_ERR(priv, "Unknown testmode command\n");
result = -ENOSYS;
break;
}
mutex_unlock(&priv->mutex);
if (result)
IWL_ERR(priv, "Test cmd failed result=%d\n", result);
return result;
}
@ -1066,7 +416,6 @@ int iwlagn_mac_testmode_dump(struct ieee80211_hw *hw, struct sk_buff *skb,
struct netlink_callback *cb,
void *data, int len)
{
struct nlattr *tb[IWL_TM_ATTR_MAX];
struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
int result;
u32 cmd;
@ -1075,39 +424,19 @@ int iwlagn_mac_testmode_dump(struct ieee80211_hw *hw, struct sk_buff *skb,
/* offset by 1 since commands start at 0 */
cmd = cb->args[3] - 1;
} else {
result = nla_parse(tb, IWL_TM_ATTR_MAX - 1, data, len,
iwl_testmode_gnl_msg_policy);
if (result) {
IWL_ERR(priv,
"Error parsing the gnl message : %d\n", result);
return result;
}
struct nlattr *tb[IWL_TM_ATTR_MAX];
result = iwl_test_parse(&priv->tst, tb, data, len);
if (result)
return result;
/* IWL_TM_ATTR_COMMAND is absolutely mandatory */
if (!tb[IWL_TM_ATTR_COMMAND]) {
IWL_ERR(priv, "Missing testmode command type\n");
return -ENOMSG;
}
cmd = nla_get_u32(tb[IWL_TM_ATTR_COMMAND]);
cb->args[3] = cmd + 1;
}
/* in case multiple accesses to the device happens */
mutex_lock(&priv->mutex);
switch (cmd) {
case IWL_TM_CMD_APP2DEV_READ_TRACE:
IWL_DEBUG_INFO(priv, "uCode trace cmd to driver\n");
result = iwl_testmode_trace_dump(hw, skb, cb);
break;
case IWL_TM_CMD_APP2DEV_INDIRECT_BUFFER_DUMP:
IWL_DEBUG_INFO(priv, "testmode sram dump cmd to driver\n");
result = iwl_testmode_buffer_dump(hw, skb, cb);
break;
default:
result = -EINVAL;
break;
}
result = iwl_test_dump(&priv->tst, cmd, skb, cb);
mutex_unlock(&priv->mutex);
return result;
}

825
drivers/net/wireless/iwlwifi/iwl-test.c Normal file
View File

@ -0,0 +1,825 @@
/******************************************************************************
*
* This file is provided under a dual BSD/GPLv2 license. When using or
* redistributing this file, you may do so under either license.
*
* GPL LICENSE SUMMARY
*
* Copyright(c) 2010 - 2012 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
* USA
*
* The full GNU General Public License is included in this distribution
* in the file called LICENSE.GPL.
*
* Contact Information:
* Intel Linux Wireless <ilw@linux.intel.com>
* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*
* BSD LICENSE
*
* Copyright(c) 2010 - 2012 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*****************************************************************************/
#include <net/netlink.h>
#include "iwl-io.h"
#include "iwl-fh.h"
#include "iwl-prph.h"
#include "iwl-trans.h"
#include "iwl-test.h"
#include "iwl-csr.h"
#include "iwl-testmode.h"
/*
* Periphery registers absolute lower bound. This is used in order to
* differentiate registery access through HBUS_TARG_PRPH_* and
* HBUS_TARG_MEM_* accesses.
*/
#define IWL_ABS_PRPH_START (0xA00000)
/*
* The TLVs used in the gnl message policy between the kernel module and
* user space application. iwl_testmode_gnl_msg_policy is to be carried
* through the NL80211_CMD_TESTMODE channel regulated by nl80211.
* See iwl-testmode.h
*/
static
struct nla_policy iwl_testmode_gnl_msg_policy[IWL_TM_ATTR_MAX] = {
[IWL_TM_ATTR_COMMAND] = { .type = NLA_U32, },
[IWL_TM_ATTR_UCODE_CMD_ID] = { .type = NLA_U8, },
[IWL_TM_ATTR_UCODE_CMD_DATA] = { .type = NLA_UNSPEC, },
[IWL_TM_ATTR_REG_OFFSET] = { .type = NLA_U32, },
[IWL_TM_ATTR_REG_VALUE8] = { .type = NLA_U8, },
[IWL_TM_ATTR_REG_VALUE32] = { .type = NLA_U32, },
[IWL_TM_ATTR_SYNC_RSP] = { .type = NLA_UNSPEC, },
[IWL_TM_ATTR_UCODE_RX_PKT] = { .type = NLA_UNSPEC, },
[IWL_TM_ATTR_EEPROM] = { .type = NLA_UNSPEC, },
[IWL_TM_ATTR_TRACE_ADDR] = { .type = NLA_UNSPEC, },
[IWL_TM_ATTR_TRACE_DUMP] = { .type = NLA_UNSPEC, },
[IWL_TM_ATTR_TRACE_SIZE] = { .type = NLA_U32, },
[IWL_TM_ATTR_FIXRATE] = { .type = NLA_U32, },
[IWL_TM_ATTR_UCODE_OWNER] = { .type = NLA_U8, },
[IWL_TM_ATTR_MEM_ADDR] = { .type = NLA_U32, },
[IWL_TM_ATTR_BUFFER_SIZE] = { .type = NLA_U32, },
[IWL_TM_ATTR_BUFFER_DUMP] = { .type = NLA_UNSPEC, },
[IWL_TM_ATTR_FW_VERSION] = { .type = NLA_U32, },
[IWL_TM_ATTR_DEVICE_ID] = { .type = NLA_U32, },
[IWL_TM_ATTR_FW_TYPE] = { .type = NLA_U32, },
[IWL_TM_ATTR_FW_INST_SIZE] = { .type = NLA_U32, },
[IWL_TM_ATTR_FW_DATA_SIZE] = { .type = NLA_U32, },
[IWL_TM_ATTR_ENABLE_NOTIFICATION] = {.type = NLA_FLAG, },
};
static inline void iwl_test_trace_clear(struct iwl_test *tst)
{
memset(&tst->trace, 0, sizeof(struct iwl_test_trace));
}
static void iwl_test_trace_stop(struct iwl_test *tst)
{
if (!tst->trace.enabled)
return;
if (tst->trace.cpu_addr && tst->trace.dma_addr)
dma_free_coherent(tst->trans->dev,
tst->trace.tsize,
tst->trace.cpu_addr,
tst->trace.dma_addr);
iwl_test_trace_clear(tst);
}
static inline void iwl_test_mem_clear(struct iwl_test *tst)
{
memset(&tst->mem, 0, sizeof(struct iwl_test_mem));
}
static inline void iwl_test_mem_stop(struct iwl_test *tst)
{
if (!tst->mem.in_read)
return;
iwl_test_mem_clear(tst);
}
/*
* Initializes the test object
* During the lifetime of the test object it is assumed that the transport is
* started. The test object should be stopped before the transport is stopped.
*/
void iwl_test_init(struct iwl_test *tst, struct iwl_trans *trans,
struct iwl_test_ops *ops)
{
tst->trans = trans;
tst->ops = ops;
iwl_test_trace_clear(tst);
iwl_test_mem_clear(tst);
}
EXPORT_SYMBOL_GPL(iwl_test_init);
/*
* Stop the test object
*/
void iwl_test_free(struct iwl_test *tst)
{
iwl_test_mem_stop(tst);
iwl_test_trace_stop(tst);
}
EXPORT_SYMBOL_GPL(iwl_test_free);
/*
* This function handles the user application commands to the fw. The fw
* commands are sent in a synchronuous manner. In case that the user requested
* to get commands response, it is send to the user.
*/
static int iwl_test_fw_cmd(struct iwl_test *tst, struct ieee80211_hw *hw,
struct nlattr **tb)
{
struct iwl_host_cmd cmd;
struct iwl_rx_packet *pkt;
struct sk_buff *skb;
void *reply_buf;
u32 reply_len;
int ret;
bool cmd_want_skb;
memset(&cmd, 0, sizeof(struct iwl_host_cmd));
if (!tb[IWL_TM_ATTR_UCODE_CMD_ID] ||
!tb[IWL_TM_ATTR_UCODE_CMD_DATA]) {
IWL_ERR(tst->trans, "Missing fw command mandatory fields\n");
return -ENOMSG;
}
cmd.flags = CMD_ON_DEMAND | CMD_SYNC;
cmd_want_skb = nla_get_flag(tb[IWL_TM_ATTR_UCODE_CMD_SKB]);
if (cmd_want_skb)
cmd.flags |= CMD_WANT_SKB;
cmd.id = nla_get_u8(tb[IWL_TM_ATTR_UCODE_CMD_ID]);
cmd.data[0] = nla_data(tb[IWL_TM_ATTR_UCODE_CMD_DATA]);
cmd.len[0] = nla_len(tb[IWL_TM_ATTR_UCODE_CMD_DATA]);
cmd.dataflags[0] = IWL_HCMD_DFL_NOCOPY;
IWL_DEBUG_INFO(tst->trans, "test fw cmd=0x%x, flags 0x%x, len %d\n",
cmd.id, cmd.flags, cmd.len[0]);
ret = tst->ops->send_cmd(tst->trans->op_mode, &cmd);
if (ret) {
IWL_ERR(tst->trans, "Failed to send hcmd\n");
return ret;
}
if (!cmd_want_skb)
return ret;
/* Handling return of SKB to the user */
pkt = cmd.resp_pkt;
if (!pkt) {
IWL_ERR(tst->trans, "HCMD received a null response packet\n");
return ret;
}
reply_len = le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK;
skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, reply_len + 20);
reply_buf = kmalloc(reply_len, GFP_KERNEL);
if (!skb || !reply_buf) {
kfree_skb(skb);
kfree(reply_buf);
return -ENOMEM;
}
/* The reply is in a page, that we cannot send to user space. */
memcpy(reply_buf, &(pkt->hdr), reply_len);
iwl_free_resp(&cmd);
if (nla_put_u32(skb, IWL_TM_ATTR_COMMAND,
IWL_TM_CMD_DEV2APP_UCODE_RX_PKT) ||
nla_put(skb, IWL_TM_ATTR_UCODE_RX_PKT, reply_len, reply_buf))
goto nla_put_failure;
return cfg80211_testmode_reply(skb);
nla_put_failure:
IWL_DEBUG_INFO(tst->trans, "Failed creating NL attributes\n");
kfree(reply_buf);
kfree_skb(skb);
return -ENOMSG;
}
/*
* Handles the user application commands for register access.
*/
static int iwl_test_reg(struct iwl_test *tst, struct ieee80211_hw *hw,
struct nlattr **tb)
{
u32 ofs, val32, cmd;
u8 val8;
struct sk_buff *skb;
int status = 0;
struct iwl_trans *trans = tst->trans;
if (!tb[IWL_TM_ATTR_REG_OFFSET]) {
IWL_ERR(trans, "Missing reg offset\n");
return -ENOMSG;
}
ofs = nla_get_u32(tb[IWL_TM_ATTR_REG_OFFSET]);
IWL_DEBUG_INFO(trans, "test reg access cmd offset=0x%x\n", ofs);
cmd = nla_get_u32(tb[IWL_TM_ATTR_COMMAND]);
/*
* Allow access only to FH/CSR/HBUS in direct mode.
* Since we don't have the upper bounds for the CSR and HBUS segments,
* we will use only the upper bound of FH for sanity check.
*/
if (ofs >= FH_MEM_UPPER_BOUND) {
IWL_ERR(trans, "offset out of segment (0x0 - 0x%x)\n",
FH_MEM_UPPER_BOUND);
return -EINVAL;
}
switch (cmd) {
case IWL_TM_CMD_APP2DEV_DIRECT_REG_READ32:
val32 = iwl_read_direct32(tst->trans, ofs);
IWL_DEBUG_INFO(trans, "32 value to read 0x%x\n", val32);
skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, 20);
if (!skb) {
IWL_ERR(trans, "Memory allocation fail\n");
return -ENOMEM;
}
if (nla_put_u32(skb, IWL_TM_ATTR_REG_VALUE32, val32))
goto nla_put_failure;
status = cfg80211_testmode_reply(skb);
if (status < 0)
IWL_ERR(trans, "Error sending msg : %d\n", status);
break;
case IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE32:
if (!tb[IWL_TM_ATTR_REG_VALUE32]) {
IWL_ERR(trans, "Missing value to write\n");
return -ENOMSG;
} else {
val32 = nla_get_u32(tb[IWL_TM_ATTR_REG_VALUE32]);
IWL_DEBUG_INFO(trans, "32b write val=0x%x\n", val32);
iwl_write_direct32(tst->trans, ofs, val32);
}
break;
case IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE8:
if (!tb[IWL_TM_ATTR_REG_VALUE8]) {
IWL_ERR(trans, "Missing value to write\n");
return -ENOMSG;
} else {
val8 = nla_get_u8(tb[IWL_TM_ATTR_REG_VALUE8]);
IWL_DEBUG_INFO(trans, "8b write val=0x%x\n", val8);
iwl_write8(tst->trans, ofs, val8);
}
break;
default:
IWL_ERR(trans, "Unknown test register cmd ID\n");
return -ENOMSG;
}
return status;
nla_put_failure:
kfree_skb(skb);
return -EMSGSIZE;
}
/*
* Handles the request to start FW tracing. Allocates of the trace buffer
* and sends a reply to user space with the address of the allocated buffer.
*/
static int iwl_test_trace_begin(struct iwl_test *tst, struct ieee80211_hw *hw,
struct nlattr **tb)
{
struct sk_buff *skb;
int status = 0;
if (tst->trace.enabled)
return -EBUSY;
if (!tb[IWL_TM_ATTR_TRACE_SIZE])
tst->trace.size = TRACE_BUFF_SIZE_DEF;
else
tst->trace.size =
nla_get_u32(tb[IWL_TM_ATTR_TRACE_SIZE]);
if (!tst->trace.size)
return -EINVAL;
if (tst->trace.size < TRACE_BUFF_SIZE_MIN ||
tst->trace.size > TRACE_BUFF_SIZE_MAX)
return -EINVAL;
tst->trace.tsize = tst->trace.size + TRACE_BUFF_PADD;
tst->trace.cpu_addr = dma_alloc_coherent(tst->trans->dev,
tst->trace.tsize,
&tst->trace.dma_addr,
GFP_KERNEL);
if (!tst->trace.cpu_addr)
return -ENOMEM;
tst->trace.enabled = true;
tst->trace.trace_addr = (u8 *)PTR_ALIGN(tst->trace.cpu_addr, 0x100);
memset(tst->trace.trace_addr, 0x03B, tst->trace.size);
skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy,
sizeof(tst->trace.dma_addr) + 20);
if (!skb) {
IWL_ERR(tst->trans, "Memory allocation fail\n");
iwl_test_trace_stop(tst);
return -ENOMEM;
}
if (nla_put(skb, IWL_TM_ATTR_TRACE_ADDR,
sizeof(tst->trace.dma_addr),
(u64 *)&tst->trace.dma_addr))
goto nla_put_failure;
status = cfg80211_testmode_reply(skb);
if (status < 0)
IWL_ERR(tst->trans, "Error sending msg : %d\n", status);
tst->trace.nchunks = DIV_ROUND_UP(tst->trace.size,
DUMP_CHUNK_SIZE);
return status;
nla_put_failure:
kfree_skb(skb);
if (nla_get_u32(tb[IWL_TM_ATTR_COMMAND]) ==
IWL_TM_CMD_APP2DEV_BEGIN_TRACE)
iwl_test_trace_stop(tst);
return -EMSGSIZE;
}
/*
* Handles indirect read from the periphery or the SRAM. The read is performed
* to a temporary buffer. The user space application should later issue a dump
*/
static int iwl_test_indirect_read(struct iwl_test *tst, u32 addr, u32 size)
{
struct iwl_trans *trans = tst->trans;
unsigned long flags;
int i;
if (size & 0x3)
return -EINVAL;
tst->mem.size = size;
tst->mem.addr = kmalloc(tst->mem.size, GFP_KERNEL);
if (tst->mem.addr == NULL)
return -ENOMEM;
/* Hard-coded periphery absolute address */
if (IWL_ABS_PRPH_START <= addr &&
addr < IWL_ABS_PRPH_START + PRPH_END) {
spin_lock_irqsave(&trans->reg_lock, flags);
iwl_grab_nic_access(trans);
iwl_write32(trans, HBUS_TARG_PRPH_RADDR,
addr | (3 << 24));
for (i = 0; i < size; i += 4)
*(u32 *)(tst->mem.addr + i) =
iwl_read32(trans, HBUS_TARG_PRPH_RDAT);
iwl_release_nic_access(trans);
spin_unlock_irqrestore(&trans->reg_lock, flags);
} else { /* target memory (SRAM) */
_iwl_read_targ_mem_words(trans, addr,
tst->mem.addr,
tst->mem.size / 4);
}
tst->mem.nchunks =
DIV_ROUND_UP(tst->mem.size, DUMP_CHUNK_SIZE);
tst->mem.in_read = true;
return 0;
}
/*
* Handles indirect write to the periphery or SRAM. The is performed to a
* temporary buffer.
*/
static int iwl_test_indirect_write(struct iwl_test *tst, u32 addr,
u32 size, unsigned char *buf)
{
struct iwl_trans *trans = tst->trans;
u32 val, i;
unsigned long flags;
if (IWL_ABS_PRPH_START <= addr &&
addr < IWL_ABS_PRPH_START + PRPH_END) {
/* Periphery writes can be 1-3 bytes long, or DWORDs */
if (size < 4) {
memcpy(&val, buf, size);
spin_lock_irqsave(&trans->reg_lock, flags);
iwl_grab_nic_access(trans);
iwl_write32(trans, HBUS_TARG_PRPH_WADDR,
(addr & 0x0000FFFF) |
((size - 1) << 24));
iwl_write32(trans, HBUS_TARG_PRPH_WDAT, val);
iwl_release_nic_access(trans);
/* needed after consecutive writes w/o read */
mmiowb();
spin_unlock_irqrestore(&trans->reg_lock, flags);
} else {
if (size % 4)
return -EINVAL;
for (i = 0; i < size; i += 4)
iwl_write_prph(trans, addr+i,
*(u32 *)(buf+i));
}
} else if (tst->ops->valid_hw_addr(addr)) {
_iwl_write_targ_mem_words(trans, addr, buf, size/4);
} else {
return -EINVAL;
}
return 0;
}
/*
* Handles the user application commands for indirect read/write
* to/from the periphery or the SRAM.
*/
static int iwl_test_indirect_mem(struct iwl_test *tst, struct nlattr **tb)
{
u32 addr, size, cmd;
unsigned char *buf;
/* Both read and write should be blocked, for atomicity */
if (tst->mem.in_read)
return -EBUSY;
cmd = nla_get_u32(tb[IWL_TM_ATTR_COMMAND]);
if (!tb[IWL_TM_ATTR_MEM_ADDR]) {
IWL_ERR(tst->trans, "Error finding memory offset address\n");
return -ENOMSG;
}
addr = nla_get_u32(tb[IWL_TM_ATTR_MEM_ADDR]);
if (!tb[IWL_TM_ATTR_BUFFER_SIZE]) {
IWL_ERR(tst->trans, "Error finding size for memory reading\n");
return -ENOMSG;
}
size = nla_get_u32(tb[IWL_TM_ATTR_BUFFER_SIZE]);
if (cmd == IWL_TM_CMD_APP2DEV_INDIRECT_BUFFER_READ) {
return iwl_test_indirect_read(tst, addr, size);
} else {
if (!tb[IWL_TM_ATTR_BUFFER_DUMP])
return -EINVAL;
buf = (unsigned char *)nla_data(tb[IWL_TM_ATTR_BUFFER_DUMP]);
return iwl_test_indirect_write(tst, addr, size, buf);
}
}
/*
* Enable notifications to user space
*/
static int iwl_test_notifications(struct iwl_test *tst,
struct nlattr **tb)
{
tst->notify = nla_get_flag(tb[IWL_TM_ATTR_ENABLE_NOTIFICATION]);
return 0;
}
/*
* Handles the request to get the device id
*/
static int iwl_test_get_dev_id(struct iwl_test *tst, struct ieee80211_hw *hw,
struct nlattr **tb)
{
u32 devid = tst->trans->hw_id;
struct sk_buff *skb;
int status;
IWL_DEBUG_INFO(tst->trans, "hw version: 0x%x\n", devid);
skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, 20);
if (!skb) {
IWL_ERR(tst->trans, "Memory allocation fail\n");
return -ENOMEM;
}
if (nla_put_u32(skb, IWL_TM_ATTR_DEVICE_ID, devid))
goto nla_put_failure;
status = cfg80211_testmode_reply(skb);
if (status < 0)
IWL_ERR(tst->trans, "Error sending msg : %d\n", status);
return 0;
nla_put_failure:
kfree_skb(skb);
return -EMSGSIZE;
}
/*
* Handles the request to get the FW version
*/
static int iwl_test_get_fw_ver(struct iwl_test *tst, struct ieee80211_hw *hw,
struct nlattr **tb)
{
struct sk_buff *skb;
int status;
u32 ver = tst->ops->get_fw_ver(tst->trans->op_mode);
IWL_DEBUG_INFO(tst->trans, "uCode version raw: 0x%x\n", ver);
skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, 20);
if (!skb) {
IWL_ERR(tst->trans, "Memory allocation fail\n");
return -ENOMEM;
}
if (nla_put_u32(skb, IWL_TM_ATTR_FW_VERSION, ver))
goto nla_put_failure;
status = cfg80211_testmode_reply(skb);
if (status < 0)
IWL_ERR(tst->trans, "Error sending msg : %d\n", status);
return 0;
nla_put_failure:
kfree_skb(skb);
return -EMSGSIZE;
}
/*
* Parse the netlink message and validate that the IWL_TM_ATTR_CMD exists
*/
int iwl_test_parse(struct iwl_test *tst, struct nlattr **tb,
void *data, int len)
{
int result;
result = nla_parse(tb, IWL_TM_ATTR_MAX - 1, data, len,
iwl_testmode_gnl_msg_policy);
if (result) {
IWL_ERR(tst->trans, "Fail parse gnl msg: %d\n", result);
return result;
}
/* IWL_TM_ATTR_COMMAND is absolutely mandatory */
if (!tb[IWL_TM_ATTR_COMMAND]) {
IWL_ERR(tst->trans, "Missing testmode command type\n");
return -ENOMSG;
}
return 0;
}
EXPORT_SYMBOL_GPL(iwl_test_parse);
/*
* Handle test commands.
* Returns 1 for unknown commands (not handled by the test object); negative
* value in case of error.
*/
int iwl_test_handle_cmd(struct iwl_test *tst, struct ieee80211_hw *hw,
struct nlattr **tb)
{
int result;
switch (nla_get_u32(tb[IWL_TM_ATTR_COMMAND])) {
case IWL_TM_CMD_APP2DEV_UCODE:
IWL_DEBUG_INFO(tst->trans, "test cmd to uCode\n");
result = iwl_test_fw_cmd(tst, hw, tb);
break;
case IWL_TM_CMD_APP2DEV_DIRECT_REG_READ32:
case IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE32:
case IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE8:
IWL_DEBUG_INFO(tst->trans, "test cmd to register\n");
result = iwl_test_reg(tst, hw, tb);
break;
case IWL_TM_CMD_APP2DEV_BEGIN_TRACE:
IWL_DEBUG_INFO(tst->trans, "test uCode trace cmd to driver\n");
result = iwl_test_trace_begin(tst, hw, tb);
break;
case IWL_TM_CMD_APP2DEV_END_TRACE:
iwl_test_trace_stop(tst);
result = 0;
break;
case IWL_TM_CMD_APP2DEV_INDIRECT_BUFFER_READ:
case IWL_TM_CMD_APP2DEV_INDIRECT_BUFFER_WRITE:
IWL_DEBUG_INFO(tst->trans, "test indirect memory cmd\n");
result = iwl_test_indirect_mem(tst, tb);
break;
case IWL_TM_CMD_APP2DEV_NOTIFICATIONS:
IWL_DEBUG_INFO(tst->trans, "test notifications cmd\n");
result = iwl_test_notifications(tst, tb);
break;
case IWL_TM_CMD_APP2DEV_GET_FW_VERSION:
IWL_DEBUG_INFO(tst->trans, "test get FW ver cmd\n");
result = iwl_test_get_fw_ver(tst, hw, tb);
break;
case IWL_TM_CMD_APP2DEV_GET_DEVICE_ID:
IWL_DEBUG_INFO(tst->trans, "test Get device ID cmd\n");
result = iwl_test_get_dev_id(tst, hw, tb);
break;
default:
IWL_DEBUG_INFO(tst->trans, "Unknown test command\n");
result = 1;
break;
}
return result;
}
EXPORT_SYMBOL_GPL(iwl_test_handle_cmd);
static int iwl_test_trace_dump(struct iwl_test *tst, struct sk_buff *skb,
struct netlink_callback *cb)
{
int idx, length;
if (!tst->trace.enabled || !tst->trace.trace_addr)
return -EFAULT;
idx = cb->args[4];
if (idx >= tst->trace.nchunks)
return -ENOENT;
length = DUMP_CHUNK_SIZE;
if (((idx + 1) == tst->trace.nchunks) &&
(tst->trace.size % DUMP_CHUNK_SIZE))
length = tst->trace.size %
DUMP_CHUNK_SIZE;
if (nla_put(skb, IWL_TM_ATTR_TRACE_DUMP, length,
tst->trace.trace_addr + (DUMP_CHUNK_SIZE * idx)))
goto nla_put_failure;
cb->args[4] = ++idx;
return 0;
nla_put_failure:
return -ENOBUFS;
}
static int iwl_test_buffer_dump(struct iwl_test *tst, struct sk_buff *skb,
struct netlink_callback *cb)
{
int idx, length;
if (!tst->mem.in_read)
return -EFAULT;
idx = cb->args[4];
if (idx >= tst->mem.nchunks) {
iwl_test_mem_stop(tst);
return -ENOENT;
}
length = DUMP_CHUNK_SIZE;
if (((idx + 1) == tst->mem.nchunks) &&
(tst->mem.size % DUMP_CHUNK_SIZE))
length = tst->mem.size % DUMP_CHUNK_SIZE;
if (nla_put(skb, IWL_TM_ATTR_BUFFER_DUMP, length,
tst->mem.addr + (DUMP_CHUNK_SIZE * idx)))
goto nla_put_failure;
cb->args[4] = ++idx;
return 0;
nla_put_failure:
return -ENOBUFS;
}
/*
* Handle dump commands.
* Returns 1 for unknown commands (not handled by the test object); negative
* value in case of error.
*/
int iwl_test_dump(struct iwl_test *tst, u32 cmd, struct sk_buff *skb,
struct netlink_callback *cb)
{
int result;
switch (cmd) {
case IWL_TM_CMD_APP2DEV_READ_TRACE:
IWL_DEBUG_INFO(tst->trans, "uCode trace cmd\n");
result = iwl_test_trace_dump(tst, skb, cb);
break;
case IWL_TM_CMD_APP2DEV_INDIRECT_BUFFER_DUMP:
IWL_DEBUG_INFO(tst->trans, "testmode sram dump cmd\n");
result = iwl_test_buffer_dump(tst, skb, cb);
break;
default:
result = 1;
break;
}
return result;
}
EXPORT_SYMBOL_GPL(iwl_test_dump);
/*
* Multicast a spontaneous messages from the device to the user space.
*/
static void iwl_test_send_rx(struct iwl_test *tst, struct ieee80211_hw *hw,
struct iwl_rx_cmd_buffer *rxb)
{
struct sk_buff *skb;
struct iwl_rx_packet *data;
int length;
data = rxb_addr(rxb);
length = le32_to_cpu(data->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK;
/* the length doesn't include len_n_flags field, so add it manually */
length += sizeof(__le32);
skb = cfg80211_testmode_alloc_event_skb(hw->wiphy, 20 + length,
GFP_ATOMIC);
if (skb == NULL) {
IWL_ERR(tst->trans, "Out of memory for message to user\n");
return;
}
if (nla_put_u32(skb, IWL_TM_ATTR_COMMAND,
IWL_TM_CMD_DEV2APP_UCODE_RX_PKT) ||
nla_put(skb, IWL_TM_ATTR_UCODE_RX_PKT, length, data))
goto nla_put_failure;
cfg80211_testmode_event(skb, GFP_ATOMIC);
return;
nla_put_failure:
kfree_skb(skb);
IWL_ERR(tst->trans, "Ouch, overran buffer, check allocation!\n");
}
/*
* Called whenever a Rx frames is recevied from the device. If notifications to
* the user space are requested, sends the frames to the user.
*/
void iwl_test_rx(struct iwl_test *tst, struct ieee80211_hw *hw,
struct iwl_rx_cmd_buffer *rxb)
{
if (tst->notify)
iwl_test_send_rx(tst, hw, rxb);
}
EXPORT_SYMBOL_GPL(iwl_test_rx);

125
drivers/net/wireless/iwlwifi/iwl-test.h Normal file
View File

@ -0,0 +1,125 @@
/******************************************************************************
*
* This file is provided under a dual BSD/GPLv2 license. When using or
* redistributing this file, you may do so under either license.
*
* GPL LICENSE SUMMARY
*
* Copyright(c) 2010 - 2012 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
* USA
*
* The full GNU General Public License is included in this distribution
* in the file called LICENSE.GPL.
*
* Contact Information:
* Intel Linux Wireless <ilw@linux.intel.com>
* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*
* BSD LICENSE
*
* Copyright(c) 2010 - 2012 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*****************************************************************************/
#ifndef __IWL_TEST_H__
#define __IWL_TEST_H__
#include <linux/types.h>
#include "iwl-trans.h"
struct iwl_test_trace {
u32 size;
u32 tsize;
u32 nchunks;
u8 *cpu_addr;
u8 *trace_addr;
dma_addr_t dma_addr;
bool enabled;
};
struct iwl_test_mem {
u32 size;
u32 nchunks;
u8 *addr;
bool in_read;
};
struct iwl_test_ops {
int (*send_cmd)(struct iwl_op_mode *op_modes,
struct iwl_host_cmd *cmd);
bool (*valid_hw_addr)(u32 addr);
u32 (*get_fw_ver)(struct iwl_op_mode *op_mode);
};
struct iwl_test {
struct iwl_trans *trans;
struct iwl_test_ops *ops;
struct iwl_test_trace trace;
struct iwl_test_mem mem;
bool notify;
};
void iwl_test_init(struct iwl_test *tst, struct iwl_trans *trans,
struct iwl_test_ops *ops);
void iwl_test_free(struct iwl_test *tst);
int iwl_test_parse(struct iwl_test *tst, struct nlattr **tb,
void *data, int len);
int iwl_test_handle_cmd(struct iwl_test *tst, struct ieee80211_hw *hw,
struct nlattr **tb);
int iwl_test_dump(struct iwl_test *tst, u32 cmd, struct sk_buff *skb,
struct netlink_callback *cb);
void iwl_test_rx(struct iwl_test *tst, struct ieee80211_hw *hw,
struct iwl_rx_cmd_buffer *rxb);
static inline void iwl_test_enable_notifications(struct iwl_test *tst,
bool enable)
{
tst->notify = enable;
}
#endif

0
drivers/net/wireless/iwlwifi/dvm/testmode.h → drivers/net/wireless/iwlwifi/iwl-testmode.h
View File