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iwlwifi: decouple testmode and iwl-test

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The iwl-test flows were based on the cfg80211 testmode APIs.

To remove this coupling, the op mode (during the initialization
of the iwl_test object) is responsible to set the callbacks that
should be used by iwl-test to allocate skbs for events and replies
and to send events and replies.

The current op modes implement these callbacks based on the cfg80211
testmode APIs.

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
2012-06-04 19:39:30 +03:00
committed by Johannes Berg
parent 3a6490c084
commit c76fe6d19b
4 changed files with 141 additions and 45 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

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

@ -1143,7 +1143,7 @@ int iwl_rx_dispatch(struct iwl_op_mode *op_mode, struct iwl_rx_cmd_buffer *rxb,
* Note that if the ownership flag != IWL_OWNERSHIP_TM the flow
* continues.
*/
iwl_test_rx(&priv->tst, priv->hw, rxb);
iwl_test_rx(&priv->tst, rxb);
#endif
if (priv->ucode_owner != IWL_OWNERSHIP_TM) {

31
drivers/net/wireless/iwlwifi/dvm/testmode.c
View File

@ -103,10 +103,39 @@ static u32 iwl_testmode_get_fw_ver(struct iwl_op_mode *op_mode)
return priv->fw->ucode_ver;
}
static struct sk_buff*
iwl_testmode_alloc_reply(struct iwl_op_mode *op_mode, int len)
{
struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode);
return cfg80211_testmode_alloc_reply_skb(priv->hw->wiphy, len);
}
static int iwl_testmode_reply(struct iwl_op_mode *op_mode, struct sk_buff *skb)
{
return cfg80211_testmode_reply(skb);
}
static struct sk_buff *iwl_testmode_alloc_event(struct iwl_op_mode *op_mode,
int len)
{
struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode);
return cfg80211_testmode_alloc_event_skb(priv->hw->wiphy, len,
GFP_ATOMIC);
}
static void iwl_testmode_event(struct iwl_op_mode *op_mode, struct sk_buff *skb)
{
return cfg80211_testmode_event(skb, GFP_ATOMIC);
}
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,
.alloc_reply = iwl_testmode_alloc_reply,
.reply = iwl_testmode_reply,
.alloc_event = iwl_testmode_alloc_event,
.event = iwl_testmode_event,
};
void iwl_testmode_init(struct iwl_priv *priv)
@ -380,7 +409,7 @@ int iwlagn_mac_testmode_cmd(struct ieee80211_hw *hw, void *data, int len)
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);
result = iwl_test_handle_cmd(&priv->tst, tb);
break;
case IWL_TM_CMD_APP2DEV_GET_DEVICENAME:

109
drivers/net/wireless/iwlwifi/iwl-test.c
View File

@ -61,7 +61,9 @@
*
*****************************************************************************/
#include <linux/export.h>
#include <net/netlink.h>
#include "iwl-io.h"
#include "iwl-fh.h"
#include "iwl-prph.h"
@ -178,13 +180,51 @@ void iwl_test_free(struct iwl_test *tst)
}
EXPORT_SYMBOL_GPL(iwl_test_free);
static inline int iwl_test_send_cmd(struct iwl_test *tst,
struct iwl_host_cmd *cmd)
{
return tst->ops->send_cmd(tst->trans->op_mode, cmd);
}
static inline bool iwl_test_valid_hw_addr(struct iwl_test *tst, u32 addr)
{
return tst->ops->valid_hw_addr(addr);
}
static inline u32 iwl_test_fw_ver(struct iwl_test *tst)
{
return tst->ops->get_fw_ver(tst->trans->op_mode);
}
static inline struct sk_buff*
iwl_test_alloc_reply(struct iwl_test *tst, int len)
{
return tst->ops->alloc_reply(tst->trans->op_mode, len);
}
static inline int iwl_test_reply(struct iwl_test *tst, struct sk_buff *skb)
{
return tst->ops->reply(tst->trans->op_mode, skb);
}
static inline struct sk_buff*
iwl_test_alloc_event(struct iwl_test *tst, int len)
{
return tst->ops->alloc_event(tst->trans->op_mode, len);
}
static inline void
iwl_test_event(struct iwl_test *tst, struct sk_buff *skb)
{
return tst->ops->event(tst->trans->op_mode, skb);
}
/*
* 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)
static int iwl_test_fw_cmd(struct iwl_test *tst, struct nlattr **tb)
{
struct iwl_host_cmd cmd;
struct iwl_rx_packet *pkt;
@ -214,7 +254,7 @@ static int iwl_test_fw_cmd(struct iwl_test *tst, struct ieee80211_hw *hw,
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);
ret = iwl_test_send_cmd(tst, &cmd);
if (ret) {
IWL_ERR(tst->trans, "Failed to send hcmd\n");
return ret;
@ -230,7 +270,7 @@ static int iwl_test_fw_cmd(struct iwl_test *tst, struct ieee80211_hw *hw,
}
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);
skb = iwl_test_alloc_reply(tst, reply_len + 20);
reply_buf = kmalloc(reply_len, GFP_KERNEL);
if (!skb || !reply_buf) {
kfree_skb(skb);
@ -246,7 +286,7 @@ static int iwl_test_fw_cmd(struct iwl_test *tst, struct ieee80211_hw *hw,
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);
return iwl_test_reply(tst, skb);
nla_put_failure:
IWL_DEBUG_INFO(tst->trans, "Failed creating NL attributes\n");
@ -258,8 +298,7 @@ nla_put_failure:
/*
* Handles the user application commands for register access.
*/
static int iwl_test_reg(struct iwl_test *tst, struct ieee80211_hw *hw,
struct nlattr **tb)
static int iwl_test_reg(struct iwl_test *tst, struct nlattr **tb)
{
u32 ofs, val32, cmd;
u8 val8;
@ -293,14 +332,14 @@ static int iwl_test_reg(struct iwl_test *tst, struct ieee80211_hw *hw,
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);
skb = iwl_test_alloc_reply(tst, 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);
status = iwl_test_reply(tst, skb);
if (status < 0)
IWL_ERR(trans, "Error sending msg : %d\n", status);
break;
@ -343,8 +382,7 @@ nla_put_failure:
* 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)
static int iwl_test_trace_begin(struct iwl_test *tst, struct nlattr **tb)
{
struct sk_buff *skb;
int status = 0;
@ -378,9 +416,7 @@ static int iwl_test_trace_begin(struct iwl_test *tst, struct ieee80211_hw *hw,
memset(tst->trace.trace_addr, 0x03B, tst->trace.size);
skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy,
sizeof(tst->trace.dma_addr) + 20);
skb = iwl_test_alloc_reply(tst, sizeof(tst->trace.dma_addr) + 20);
if (!skb) {
IWL_ERR(tst->trans, "Memory allocation fail\n");
iwl_test_trace_stop(tst);
@ -392,7 +428,7 @@ static int iwl_test_trace_begin(struct iwl_test *tst, struct ieee80211_hw *hw,
(u64 *)&tst->trace.dma_addr))
goto nla_put_failure;
status = cfg80211_testmode_reply(skb);
status = iwl_test_reply(tst, skb);
if (status < 0)
IWL_ERR(tst->trans, "Error sending msg : %d\n", status);
@ -485,7 +521,7 @@ static int iwl_test_indirect_write(struct iwl_test *tst, u32 addr,
iwl_write_prph(trans, addr+i,
*(u32 *)(buf+i));
}
} else if (tst->ops->valid_hw_addr(addr)) {
} else if (iwl_test_valid_hw_addr(tst, addr)) {
_iwl_write_targ_mem_words(trans, addr, buf, size/4);
} else {
return -EINVAL;
@ -541,8 +577,7 @@ static int iwl_test_notifications(struct iwl_test *tst,
/*
* 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)
static int iwl_test_get_dev_id(struct iwl_test *tst, struct nlattr **tb)
{
u32 devid = tst->trans->hw_id;
struct sk_buff *skb;
@ -550,7 +585,7 @@ static int iwl_test_get_dev_id(struct iwl_test *tst, struct ieee80211_hw *hw,
IWL_DEBUG_INFO(tst->trans, "hw version: 0x%x\n", devid);
skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, 20);
skb = iwl_test_alloc_reply(tst, 20);
if (!skb) {
IWL_ERR(tst->trans, "Memory allocation fail\n");
return -ENOMEM;
@ -558,7 +593,7 @@ static int iwl_test_get_dev_id(struct iwl_test *tst, struct ieee80211_hw *hw,
if (nla_put_u32(skb, IWL_TM_ATTR_DEVICE_ID, devid))
goto nla_put_failure;
status = cfg80211_testmode_reply(skb);
status = iwl_test_reply(tst, skb);
if (status < 0)
IWL_ERR(tst->trans, "Error sending msg : %d\n", status);
@ -572,16 +607,15 @@ nla_put_failure:
/*
* 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)
static int iwl_test_get_fw_ver(struct iwl_test *tst, struct nlattr **tb)
{
struct sk_buff *skb;
int status;
u32 ver = tst->ops->get_fw_ver(tst->trans->op_mode);
u32 ver = iwl_test_fw_ver(tst);
IWL_DEBUG_INFO(tst->trans, "uCode version raw: 0x%x\n", ver);
skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, 20);
skb = iwl_test_alloc_reply(tst, 20);
if (!skb) {
IWL_ERR(tst->trans, "Memory allocation fail\n");
return -ENOMEM;
@ -590,7 +624,7 @@ static int iwl_test_get_fw_ver(struct iwl_test *tst, struct ieee80211_hw *hw,
if (nla_put_u32(skb, IWL_TM_ATTR_FW_VERSION, ver))
goto nla_put_failure;
status = cfg80211_testmode_reply(skb);
status = iwl_test_reply(tst, skb);
if (status < 0)
IWL_ERR(tst->trans, "Error sending msg : %d\n", status);
@ -630,27 +664,26 @@ EXPORT_SYMBOL_GPL(iwl_test_parse);
* 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 iwl_test_handle_cmd(struct iwl_test *tst, 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);
result = iwl_test_fw_cmd(tst, 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);
result = iwl_test_reg(tst, 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);
result = iwl_test_trace_begin(tst, tb);
break;
case IWL_TM_CMD_APP2DEV_END_TRACE:
@ -671,12 +704,12 @@ int iwl_test_handle_cmd(struct iwl_test *tst, struct ieee80211_hw *hw,
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);
result = iwl_test_get_fw_ver(tst, 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);
result = iwl_test_get_dev_id(tst, tb);
break;
default:
@ -779,7 +812,7 @@ 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,
static void iwl_test_send_rx(struct iwl_test *tst,
struct iwl_rx_cmd_buffer *rxb)
{
struct sk_buff *skb;
@ -792,8 +825,7 @@ static void iwl_test_send_rx(struct iwl_test *tst, struct ieee80211_hw *hw,
/* 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);
skb = iwl_test_alloc_event(tst, length + 20);
if (skb == NULL) {
IWL_ERR(tst->trans, "Out of memory for message to user\n");
return;
@ -804,7 +836,7 @@ static void iwl_test_send_rx(struct iwl_test *tst, struct ieee80211_hw *hw,
nla_put(skb, IWL_TM_ATTR_UCODE_RX_PKT, length, data))
goto nla_put_failure;
cfg80211_testmode_event(skb, GFP_ATOMIC);
iwl_test_event(tst, skb);
return;
nla_put_failure:
@ -816,10 +848,9 @@ nla_put_failure:
* 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)
void iwl_test_rx(struct iwl_test *tst, struct iwl_rx_cmd_buffer *rxb)
{
if (tst->notify)
iwl_test_send_rx(tst, hw, rxb);
iwl_test_send_rx(tst, rxb);
}
EXPORT_SYMBOL_GPL(iwl_test_rx);

44
drivers/net/wireless/iwlwifi/iwl-test.h
View File

@ -84,11 +84,49 @@ struct iwl_test_mem {
bool in_read;
};
/*
* struct iwl_test_ops: callback to the op mode
*
* The structure defines the callbacks that the op_mode should handle,
* inorder to handle logic that is out of the scope of iwl_test. The
* op_mode must set all the callbacks.
* @send_cmd: handler that is used by the test object to request the
* op_mode to send a command to the fw.
*
* @valid_hw_addr: handler that is used by the test object to request the
* op_mode to check if the given address is a valid address.
*
* @get_fw_ver: handler used to get the FW version.
*
* @alloc_reply: handler used by the test object to request the op_mode
* to allocate an skb for sending a reply to the user, and initialize
* the skb. It is assumed that the test object only fills the required
* attributes.
*
* @reply: handler used by the test object to request the op_mode to reply
* to a request. The skb is an skb previously allocated by the the
* alloc_reply callback.
I
* @alloc_event: handler used by the test object to request the op_mode
* to allocate an skb for sending an event, and initialize
* the skb. It is assumed that the test object only fills the required
* attributes.
*
* @reply: handler used by the test object to request the op_mode to send
* an event. The skb is an skb previously allocated by the the
* alloc_event callback.
*/
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 sk_buff *(*alloc_reply)(struct iwl_op_mode *op_mode, int len);
int (*reply)(struct iwl_op_mode *op_mode, struct sk_buff *skb);
struct sk_buff* (*alloc_event)(struct iwl_op_mode *op_mode, int len);
void (*event)(struct iwl_op_mode *op_mode, struct sk_buff *skb);
};
struct iwl_test {
@ -107,14 +145,12 @@ 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_handle_cmd(struct iwl_test *tst, 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);
void iwl_test_rx(struct iwl_test *tst, struct iwl_rx_cmd_buffer *rxb);
static inline void iwl_test_enable_notifications(struct iwl_test *tst,
bool enable)