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authorJohn W. Linville <linville@tuxdriver.com>2012-06-19 14:41:22 -0400
committerJohn W. Linville <linville@tuxdriver.com>2012-06-19 14:41:22 -0400
commitb3c911eeb47d08aada986f769b6a060794dfe9d0 (patch)
tree212209c15a26006a62da9252efe18f27f16a0a4a /drivers/net/wireless/iwlwifi
parent43b03f1f6d6832d744918947d185a7aee89d1e0f (diff)
parentdaf67ce8cffd148308ae15c25fb06c1fc20c88f1 (diff)
downloadblackbird-obmc-linux-b3c911eeb47d08aada986f769b6a060794dfe9d0.tar.gz
blackbird-obmc-linux-b3c911eeb47d08aada986f769b6a060794dfe9d0.zip
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem
Conflicts: drivers/net/wireless/iwlwifi/dvm/testmode.c drivers/net/wireless/iwlwifi/pcie/trans.c
Diffstat (limited to 'drivers/net/wireless/iwlwifi')
-rw-r--r--drivers/net/wireless/iwlwifi/Makefile10
-rw-r--r--drivers/net/wireless/iwlwifi/dvm/agn.h17
-rw-r--r--drivers/net/wireless/iwlwifi/dvm/dev.h26
-rw-r--r--drivers/net/wireless/iwlwifi/dvm/lib.c2
-rw-r--r--drivers/net/wireless/iwlwifi/dvm/mac80211.c2
-rw-r--r--drivers/net/wireless/iwlwifi/dvm/main.c6
-rw-r--r--drivers/net/wireless/iwlwifi/dvm/rx.c24
-rw-r--r--drivers/net/wireless/iwlwifi/dvm/testmode.c778
-rw-r--r--drivers/net/wireless/iwlwifi/dvm/tx.c4
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-drv.c38
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-fh.h2
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-io.c20
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-io.h14
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-test.c856
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-test.h161
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-testmode.h (renamed from drivers/net/wireless/iwlwifi/dvm/testmode.h)0
-rw-r--r--drivers/net/wireless/iwlwifi/pcie/6000.c1
-rw-r--r--drivers/net/wireless/iwlwifi/pcie/internal.h9
-rw-r--r--drivers/net/wireless/iwlwifi/pcie/trans.c71
-rw-r--r--drivers/net/wireless/iwlwifi/pcie/tx.c95
20 files changed, 1271 insertions, 865 deletions
diff --git a/drivers/net/wireless/iwlwifi/Makefile b/drivers/net/wireless/iwlwifi/Makefile
index 98c8f6449649..170ec330d2a9 100644
--- a/drivers/net/wireless/iwlwifi/Makefile
+++ b/drivers/net/wireless/iwlwifi/Makefile
@@ -1,7 +1,3 @@
-obj-$(CONFIG_IWLDVM) += dvm/
-
-CFLAGS_iwl-devtrace.o := -I$(src)
-
# common
obj-$(CONFIG_IWLWIFI) += iwlwifi.o
iwlwifi-objs += iwl-io.o
@@ -13,5 +9,11 @@ iwlwifi-objs += pcie/drv.o pcie/rx.o pcie/tx.o pcie/trans.o
iwlwifi-objs += pcie/1000.o pcie/2000.o pcie/5000.o pcie/6000.o
iwlwifi-$(CONFIG_IWLWIFI_DEVICE_TRACING) += iwl-devtrace.o
+iwlwifi-$(CONFIG_IWLWIFI_DEVICE_TESTMODE) += iwl-test.o
ccflags-y += -D__CHECK_ENDIAN__ -I$(src)
+
+
+obj-$(CONFIG_IWLDVM) += dvm/
+
+CFLAGS_iwl-devtrace.o := -I$(src)
diff --git a/drivers/net/wireless/iwlwifi/dvm/agn.h b/drivers/net/wireless/iwlwifi/dvm/agn.h
index 2ae3608472a6..6d102413dd94 100644
--- a/drivers/net/wireless/iwlwifi/dvm/agn.h
+++ b/drivers/net/wireless/iwlwifi/dvm/agn.h
@@ -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
diff --git a/drivers/net/wireless/iwlwifi/dvm/dev.h b/drivers/net/wireless/iwlwifi/dvm/dev.h
index 89f2e1040e7f..4620b657948a 100644
--- a/drivers/net/wireless/iwlwifi/dvm/dev.h
+++ b/drivers/net/wireless/iwlwifi/dvm/dev.h
@@ -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
diff --git a/drivers/net/wireless/iwlwifi/dvm/lib.c b/drivers/net/wireless/iwlwifi/dvm/lib.c
index cb1ca7a25dd5..76f259283c3a 100644
--- a/drivers/net/wireless/iwlwifi/dvm/lib.c
+++ b/drivers/net/wireless/iwlwifi/dvm/lib.c
@@ -1265,7 +1265,7 @@ int iwl_dvm_send_cmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
* the mutex, this ensures we don't try to send two
* (or more) synchronous commands at a time.
*/
- if (cmd->flags & CMD_SYNC)
+ if (!(cmd->flags & CMD_ASYNC))
lockdep_assert_held(&priv->mutex);
if (priv->ucode_owner == IWL_OWNERSHIP_TM &&
diff --git a/drivers/net/wireless/iwlwifi/dvm/mac80211.c b/drivers/net/wireless/iwlwifi/dvm/mac80211.c
index 599e8b41f5a8..9d2374862314 100644
--- a/drivers/net/wireless/iwlwifi/dvm/mac80211.c
+++ b/drivers/net/wireless/iwlwifi/dvm/mac80211.c
@@ -476,7 +476,7 @@ static int iwlagn_mac_resume(struct ieee80211_hw *hw)
}
if (priv->wowlan_sram)
- _iwl_read_targ_mem_words(
+ _iwl_read_targ_mem_dwords(
priv->trans, 0x800000,
priv->wowlan_sram,
img->sec[IWL_UCODE_SECTION_DATA].len / 4);
diff --git a/drivers/net/wireless/iwlwifi/dvm/main.c b/drivers/net/wireless/iwlwifi/dvm/main.c
index 1c2d0233a405..e620af3d592d 100644
--- a/drivers/net/wireless/iwlwifi/dvm/main.c
+++ b/drivers/net/wireless/iwlwifi/dvm/main.c
@@ -406,7 +406,7 @@ static void iwl_continuous_event_trace(struct iwl_priv *priv)
base = priv->device_pointers.log_event_table;
if (iwlagn_hw_valid_rtc_data_addr(base)) {
- iwl_read_targ_mem_words(priv->trans, base, &read, sizeof(read));
+ iwl_read_targ_mem_bytes(priv->trans, base, &read, sizeof(read));
capacity = read.capacity;
mode = read.mode;
num_wraps = read.wrap_counter;
@@ -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);
@@ -1671,7 +1671,7 @@ static void iwl_dump_nic_error_log(struct iwl_priv *priv)
}
/*TODO: Update dbgfs with ISR error stats obtained below */
- iwl_read_targ_mem_words(trans, base, &table, sizeof(table));
+ iwl_read_targ_mem_bytes(trans, base, &table, sizeof(table));
if (ERROR_START_OFFSET <= table.valid * ERROR_ELEM_SIZE) {
IWL_ERR(trans, "Start IWL Error Log Dump:\n");
diff --git a/drivers/net/wireless/iwlwifi/dvm/rx.c b/drivers/net/wireless/iwlwifi/dvm/rx.c
index 0ed90bb8b56a..c1f7a18e08dd 100644
--- a/drivers/net/wireless/iwlwifi/dvm/rx.c
+++ b/drivers/net/wireless/iwlwifi/dvm/rx.c
@@ -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, 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
diff --git a/drivers/net/wireless/iwlwifi/dvm/testmode.c b/drivers/net/wireless/iwlwifi/dvm/testmode.c
index e08b1a383594..57b918ce3b5f 100644
--- a/drivers/net/wireless/iwlwifi/dvm/testmode.c
+++ b/drivers/net/wireless/iwlwifi/dvm/testmode.c
@@ -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>
@@ -69,354 +70,83 @@
#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"
-
-
-/* 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)
-
-/* 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, },
-
- [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, },
+#include "iwl-test.h"
+#include "iwl-testmode.h"
- [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, },
-};
-
-/*
- * 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)
+static int iwl_testmode_send_cmd(struct iwl_op_mode *op_mode,
+ struct iwl_host_cmd *cmd)
{
- 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;
+ struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode);
+ return iwl_dvm_send_cmd(priv, cmd);
}
-
-/*
- * 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)
+static bool iwl_testmode_valid_hw_addr(u32 addr)
{
- struct ieee80211_hw *hw = priv->hw;
- struct sk_buff *skb;
- void *data;
- int length;
+ if (iwlagn_hw_valid_rtc_data_addr(addr))
+ return true;
- data = rxb_addr(rxb);
- length = get_event_length(rxb);
+ if (IWLAGN_RTC_INST_LOWER_BOUND <= addr &&
+ addr < IWLAGN_RTC_INST_UPPER_BOUND)
+ return true;
- 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");
+ return false;
}
-void iwl_testmode_init(struct iwl_priv *priv)
+static u32 iwl_testmode_get_fw_ver(struct iwl_op_mode *op_mode)
{
- priv->pre_rx_handler = NULL;
- priv->testmode_trace.trace_enabled = false;
- priv->testmode_mem.read_in_progress = false;
+ struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode);
+ return priv->fw->ucode_ver;
}
-static void iwl_mem_cleanup(struct iwl_priv *priv)
+static struct sk_buff*
+iwl_testmode_alloc_reply(struct iwl_op_mode *op_mode, int len)
{
- 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;
- }
+ struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode);
+ return cfg80211_testmode_alloc_reply_skb(priv->hw->wiphy, len);
}
-static void iwl_trace_cleanup(struct iwl_priv *priv)
+static int iwl_testmode_reply(struct iwl_op_mode *op_mode, struct sk_buff *skb)
{
- 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;
- }
+ return cfg80211_testmode_reply(skb);
}
-
-void iwl_testmode_cleanup(struct iwl_priv *priv)
+static struct sk_buff *iwl_testmode_alloc_event(struct iwl_op_mode *op_mode,
+ int len)
{
- iwl_trace_cleanup(priv);
- iwl_mem_cleanup(priv);
+ struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode);
+ return cfg80211_testmode_alloc_event_skb(priv->hw->wiphy, len,
+ GFP_ATOMIC);
}
-
-/*
- * 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)
+static void iwl_testmode_event(struct iwl_op_mode *op_mode, struct sk_buff *skb)
{
- 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;
+ 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,
+};
-/*
- * 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)
+void iwl_testmode_init(struct iwl_priv *priv)
{
- 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;
+ iwl_test_init(&priv->tst, priv->trans, &tst_ops);
}
+void iwl_testmode_free(struct iwl_priv *priv)
+{
+ iwl_test_free(&priv->tst);
+}
static int iwl_testmode_cfg_init_calib(struct iwl_priv *priv)
{
@@ -469,7 +199,7 @@ 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 +293,6 @@ 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 +327,6 @@ 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 +355,10 @@ 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 +366,6 @@ 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 +391,27 @@ 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, 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 +419,25 @@ 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 +445,6 @@ 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 +453,19 @@ 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);
+ 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;
}
diff --git a/drivers/net/wireless/iwlwifi/dvm/tx.c b/drivers/net/wireless/iwlwifi/dvm/tx.c
index 0dfaf649b257..5971a23aa47d 100644
--- a/drivers/net/wireless/iwlwifi/dvm/tx.c
+++ b/drivers/net/wireless/iwlwifi/dvm/tx.c
@@ -403,6 +403,7 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
info->driver_data[0] = ctx;
info->driver_data[1] = dev_cmd;
+ /* From now on, we cannot access info->control */
spin_lock(&priv->sta_lock);
@@ -1182,7 +1183,8 @@ int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb,
}
/*we can free until ssn % q.n_bd not inclusive */
- WARN_ON(iwl_reclaim(priv, sta_id, tid, txq_id, ssn, &skbs));
+ WARN_ON_ONCE(iwl_reclaim(priv, sta_id, tid,
+ txq_id, ssn, &skbs));
iwlagn_check_ratid_empty(priv, sta_id, tid);
freed = 0;
diff --git a/drivers/net/wireless/iwlwifi/iwl-drv.c b/drivers/net/wireless/iwlwifi/iwl-drv.c
index 49df0e9d5c5f..a175997e7829 100644
--- a/drivers/net/wireless/iwlwifi/iwl-drv.c
+++ b/drivers/net/wireless/iwlwifi/iwl-drv.c
@@ -131,6 +131,8 @@ struct iwl_drv {
#define DVM_OP_MODE 0
#define MVM_OP_MODE 1
+/* Protects the table contents, i.e. the ops pointer & drv list */
+static struct mutex iwlwifi_opmode_table_mtx;
static struct iwlwifi_opmode_table {
const char *name; /* name: iwldvm, iwlmvm, etc */
const struct iwl_op_mode_ops *ops; /* pointer to op_mode ops */
@@ -776,6 +778,7 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context)
const unsigned int api_min = drv->cfg->ucode_api_min;
u32 api_ver;
int i;
+ bool load_module = false;
fw->ucode_capa.max_probe_length = 200;
fw->ucode_capa.standard_phy_calibration_size =
@@ -898,6 +901,7 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context)
/* We have our copies now, allow OS release its copies */
release_firmware(ucode_raw);
+ mutex_lock(&iwlwifi_opmode_table_mtx);
op = &iwlwifi_opmode_table[DVM_OP_MODE];
/* add this device to the list of devices using this op_mode */
@@ -907,11 +911,14 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context)
const struct iwl_op_mode_ops *ops = op->ops;
drv->op_mode = ops->start(drv->trans, drv->cfg, &drv->fw);
- if (!drv->op_mode)
+ if (!drv->op_mode) {
+ mutex_unlock(&iwlwifi_opmode_table_mtx);
goto out_unbind;
+ }
} else {
- request_module_nowait("%s", op->name);
+ load_module = true;
}
+ mutex_unlock(&iwlwifi_opmode_table_mtx);
/*
* Complete the firmware request last so that
@@ -919,6 +926,14 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context)
* are doing the start() above.
*/
complete(&drv->request_firmware_complete);
+
+ /*
+ * Load the module last so we don't block anything
+ * else from proceeding if the module fails to load
+ * or hangs loading.
+ */
+ if (load_module)
+ request_module("%s", op->name);
return;
try_again:
@@ -952,6 +967,7 @@ struct iwl_drv *iwl_drv_start(struct iwl_trans *trans,
drv->cfg = cfg;
init_completion(&drv->request_firmware_complete);
+ INIT_LIST_HEAD(&drv->list);
ret = iwl_request_firmware(drv, true);
@@ -974,6 +990,16 @@ void iwl_drv_stop(struct iwl_drv *drv)
iwl_dealloc_ucode(drv);
+ mutex_lock(&iwlwifi_opmode_table_mtx);
+ /*
+ * List is empty (this item wasn't added)
+ * when firmware loading failed -- in that
+ * case we can't remove it from any list.
+ */
+ if (!list_empty(&drv->list))
+ list_del(&drv->list);
+ mutex_unlock(&iwlwifi_opmode_table_mtx);
+
kfree(drv);
}
@@ -996,6 +1022,7 @@ int iwl_opmode_register(const char *name, const struct iwl_op_mode_ops *ops)
int i;
struct iwl_drv *drv;
+ mutex_lock(&iwlwifi_opmode_table_mtx);
for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) {
if (strcmp(iwlwifi_opmode_table[i].name, name))
continue;
@@ -1003,8 +1030,10 @@ int iwl_opmode_register(const char *name, const struct iwl_op_mode_ops *ops)
list_for_each_entry(drv, &iwlwifi_opmode_table[i].drv, list)
drv->op_mode = ops->start(drv->trans, drv->cfg,
&drv->fw);
+ mutex_unlock(&iwlwifi_opmode_table_mtx);
return 0;
}
+ mutex_unlock(&iwlwifi_opmode_table_mtx);
return -EIO;
}
EXPORT_SYMBOL_GPL(iwl_opmode_register);
@@ -1014,6 +1043,7 @@ void iwl_opmode_deregister(const char *name)
int i;
struct iwl_drv *drv;
+ mutex_lock(&iwlwifi_opmode_table_mtx);
for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) {
if (strcmp(iwlwifi_opmode_table[i].name, name))
continue;
@@ -1026,8 +1056,10 @@ void iwl_opmode_deregister(const char *name)
drv->op_mode = NULL;
}
}
+ mutex_unlock(&iwlwifi_opmode_table_mtx);
return;
}
+ mutex_unlock(&iwlwifi_opmode_table_mtx);
}
EXPORT_SYMBOL_GPL(iwl_opmode_deregister);
@@ -1035,6 +1067,8 @@ static int __init iwl_drv_init(void)
{
int i;
+ mutex_init(&iwlwifi_opmode_table_mtx);
+
for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++)
INIT_LIST_HEAD(&iwlwifi_opmode_table[i].drv);
diff --git a/drivers/net/wireless/iwlwifi/iwl-fh.h b/drivers/net/wireless/iwlwifi/iwl-fh.h
index 74bce97a8600..806046641747 100644
--- a/drivers/net/wireless/iwlwifi/iwl-fh.h
+++ b/drivers/net/wireless/iwlwifi/iwl-fh.h
@@ -421,6 +421,8 @@ static inline unsigned int FH_MEM_CBBC_QUEUE(unsigned int chnl)
(FH_SRVC_LOWER_BOUND + ((_chnl) - 9) * 0x4)
#define FH_TX_CHICKEN_BITS_REG (FH_MEM_LOWER_BOUND + 0xE98)
+#define FH_TX_TRB_REG(_chan) (FH_MEM_LOWER_BOUND + 0x958 + (_chan) * 4)
+
/* Instruct FH to increment the retry count of a packet when
* it is brought from the memory to TX-FIFO
*/
diff --git a/drivers/net/wireless/iwlwifi/iwl-io.c b/drivers/net/wireless/iwlwifi/iwl-io.c
index 5f2df70b73c1..66c873399aba 100644
--- a/drivers/net/wireless/iwlwifi/iwl-io.c
+++ b/drivers/net/wireless/iwlwifi/iwl-io.c
@@ -298,8 +298,8 @@ void iwl_clear_bits_prph(struct iwl_trans *trans, u32 reg, u32 mask)
}
EXPORT_SYMBOL_GPL(iwl_clear_bits_prph);
-void _iwl_read_targ_mem_words(struct iwl_trans *trans, u32 addr,
- void *buf, int words)
+void _iwl_read_targ_mem_dwords(struct iwl_trans *trans, u32 addr,
+ void *buf, int dwords)
{
unsigned long flags;
int offs;
@@ -308,26 +308,26 @@ void _iwl_read_targ_mem_words(struct iwl_trans *trans, u32 addr,
spin_lock_irqsave(&trans->reg_lock, flags);
if (likely(iwl_grab_nic_access(trans))) {
iwl_write32(trans, HBUS_TARG_MEM_RADDR, addr);
- for (offs = 0; offs < words; offs++)
+ for (offs = 0; offs < dwords; offs++)
vals[offs] = iwl_read32(trans, HBUS_TARG_MEM_RDAT);
iwl_release_nic_access(trans);
}
spin_unlock_irqrestore(&trans->reg_lock, flags);
}
-EXPORT_SYMBOL_GPL(_iwl_read_targ_mem_words);
+EXPORT_SYMBOL_GPL(_iwl_read_targ_mem_dwords);
u32 iwl_read_targ_mem(struct iwl_trans *trans, u32 addr)
{
u32 value;
- _iwl_read_targ_mem_words(trans, addr, &value, 1);
+ _iwl_read_targ_mem_dwords(trans, addr, &value, 1);
return value;
}
EXPORT_SYMBOL_GPL(iwl_read_targ_mem);
-int _iwl_write_targ_mem_words(struct iwl_trans *trans, u32 addr,
- void *buf, int words)
+int _iwl_write_targ_mem_dwords(struct iwl_trans *trans, u32 addr,
+ void *buf, int dwords)
{
unsigned long flags;
int offs, result = 0;
@@ -336,7 +336,7 @@ int _iwl_write_targ_mem_words(struct iwl_trans *trans, u32 addr,
spin_lock_irqsave(&trans->reg_lock, flags);
if (likely(iwl_grab_nic_access(trans))) {
iwl_write32(trans, HBUS_TARG_MEM_WADDR, addr);
- for (offs = 0; offs < words; offs++)
+ for (offs = 0; offs < dwords; offs++)
iwl_write32(trans, HBUS_TARG_MEM_WDAT, vals[offs]);
iwl_release_nic_access(trans);
} else
@@ -345,10 +345,10 @@ int _iwl_write_targ_mem_words(struct iwl_trans *trans, u32 addr,
return result;
}
-EXPORT_SYMBOL_GPL(_iwl_write_targ_mem_words);
+EXPORT_SYMBOL_GPL(_iwl_write_targ_mem_dwords);
int iwl_write_targ_mem(struct iwl_trans *trans, u32 addr, u32 val)
{
- return _iwl_write_targ_mem_words(trans, addr, &val, 1);
+ return _iwl_write_targ_mem_dwords(trans, addr, &val, 1);
}
EXPORT_SYMBOL_GPL(iwl_write_targ_mem);
diff --git a/drivers/net/wireless/iwlwifi/iwl-io.h b/drivers/net/wireless/iwlwifi/iwl-io.h
index 4a9a45f771ed..50d3819739d1 100644
--- a/drivers/net/wireless/iwlwifi/iwl-io.h
+++ b/drivers/net/wireless/iwlwifi/iwl-io.h
@@ -76,18 +76,18 @@ void iwl_set_bits_mask_prph(struct iwl_trans *trans, u32 reg,
u32 bits, u32 mask);
void iwl_clear_bits_prph(struct iwl_trans *trans, u32 reg, u32 mask);
-void _iwl_read_targ_mem_words(struct iwl_trans *trans, u32 addr,
- void *buf, int words);
+void _iwl_read_targ_mem_dwords(struct iwl_trans *trans, u32 addr,
+ void *buf, int dwords);
-#define iwl_read_targ_mem_words(trans, addr, buf, bufsize) \
+#define iwl_read_targ_mem_bytes(trans, addr, buf, bufsize) \
do { \
BUILD_BUG_ON((bufsize) % sizeof(u32)); \
- _iwl_read_targ_mem_words(trans, addr, buf, \
- (bufsize) / sizeof(u32));\
+ _iwl_read_targ_mem_dwords(trans, addr, buf, \
+ (bufsize) / sizeof(u32));\
} while (0)
-int _iwl_write_targ_mem_words(struct iwl_trans *trans, u32 addr,
- void *buf, int words);
+int _iwl_write_targ_mem_dwords(struct iwl_trans *trans, u32 addr,
+ void *buf, int dwords);
u32 iwl_read_targ_mem(struct iwl_trans *trans, u32 addr);
int iwl_write_targ_mem(struct iwl_trans *trans, u32 addr, u32 val);
diff --git a/drivers/net/wireless/iwlwifi/iwl-test.c b/drivers/net/wireless/iwlwifi/iwl-test.c
new file mode 100644
index 000000000000..81e8c7126d72
--- /dev/null
+++ b/drivers/net/wireless/iwlwifi/iwl-test.c
@@ -0,0 +1,856 @@
+/******************************************************************************
+ *
+ * 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 <linux/export.h>
+#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);
+
+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 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 = iwl_test_send_cmd(tst, &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 = iwl_test_alloc_reply(tst, 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 iwl_test_reply(tst, 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 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 = 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 = iwl_test_reply(tst, 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 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 = 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);
+ 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 = iwl_test_reply(tst, 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_dwords(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 (iwl_test_valid_hw_addr(tst, addr)) {
+ _iwl_write_targ_mem_dwords(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 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 = iwl_test_alloc_reply(tst, 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 = iwl_test_reply(tst, 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 nlattr **tb)
+{
+ struct sk_buff *skb;
+ int status;
+ u32 ver = iwl_test_fw_ver(tst);
+
+ IWL_DEBUG_INFO(tst->trans, "uCode version raw: 0x%x\n", ver);
+
+ skb = iwl_test_alloc_reply(tst, 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 = iwl_test_reply(tst, 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 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, 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, 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, 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, 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, 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 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 = iwl_test_alloc_event(tst, length + 20);
+ 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;
+
+ iwl_test_event(tst, skb);
+ 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 iwl_rx_cmd_buffer *rxb)
+{
+ if (tst->notify)
+ iwl_test_send_rx(tst, rxb);
+}
+EXPORT_SYMBOL_GPL(iwl_test_rx);
diff --git a/drivers/net/wireless/iwlwifi/iwl-test.h b/drivers/net/wireless/iwlwifi/iwl-test.h
new file mode 100644
index 000000000000..e13ffa8acc02
--- /dev/null
+++ b/drivers/net/wireless/iwlwifi/iwl-test.h
@@ -0,0 +1,161 @@
+/******************************************************************************
+ *
+ * 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: 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 {
+ 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 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 iwl_rx_cmd_buffer *rxb);
+
+static inline void iwl_test_enable_notifications(struct iwl_test *tst,
+ bool enable)
+{
+ tst->notify = enable;
+}
+
+#endif
diff --git a/drivers/net/wireless/iwlwifi/dvm/testmode.h b/drivers/net/wireless/iwlwifi/iwl-testmode.h
index 6ba211b09426..6ba211b09426 100644
--- a/drivers/net/wireless/iwlwifi/dvm/testmode.h
+++ b/drivers/net/wireless/iwlwifi/iwl-testmode.h
diff --git a/drivers/net/wireless/iwlwifi/pcie/6000.c b/drivers/net/wireless/iwlwifi/pcie/6000.c
index cb08ba03aae7..4a57624afc40 100644
--- a/drivers/net/wireless/iwlwifi/pcie/6000.c
+++ b/drivers/net/wireless/iwlwifi/pcie/6000.c
@@ -258,6 +258,7 @@ const struct iwl_cfg iwl6030_2bg_cfg = {
.eeprom_calib_ver = EEPROM_6030_TX_POWER_VERSION, \
.base_params = &iwl6000_g2_base_params, \
.bt_params = &iwl6000_bt_params, \
+ .eeprom_params = &iwl6000_eeprom_params, \
.need_temp_offset_calib = true, \
.led_mode = IWL_LED_RF_STATE, \
.adv_pm = true
diff --git a/drivers/net/wireless/iwlwifi/pcie/internal.h b/drivers/net/wireless/iwlwifi/pcie/internal.h
index 94201c4d6227..5024fb662bf6 100644
--- a/drivers/net/wireless/iwlwifi/pcie/internal.h
+++ b/drivers/net/wireless/iwlwifi/pcie/internal.h
@@ -339,16 +339,9 @@ void iwl_tx_cmd_complete(struct iwl_trans *trans,
void iwl_trans_txq_update_byte_cnt_tbl(struct iwl_trans *trans,
struct iwl_tx_queue *txq,
u16 byte_cnt);
-void iwl_trans_pcie_txq_disable(struct iwl_trans *trans, int queue);
-void iwl_trans_set_wr_ptrs(struct iwl_trans *trans, int txq_id, u32 index);
-void iwl_trans_tx_queue_set_status(struct iwl_trans *trans,
- struct iwl_tx_queue *txq,
- int tx_fifo_id, bool active);
-void __iwl_trans_pcie_txq_enable(struct iwl_trans *trans, int txq_id,
- int fifo, int sta_id, int tid,
- int frame_limit, u16 ssn);
void iwl_trans_pcie_txq_enable(struct iwl_trans *trans, int txq_id, int fifo,
int sta_id, int tid, int frame_limit, u16 ssn);
+void iwl_trans_pcie_txq_disable(struct iwl_trans *trans, int queue);
void iwl_txq_free_tfd(struct iwl_trans *trans, struct iwl_tx_queue *txq,
enum dma_data_direction dma_dir);
int iwl_tx_queue_reclaim(struct iwl_trans *trans, int txq_id, int index,
diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c
index 7461a6a14338..32ab8ea56135 100644
--- a/drivers/net/wireless/iwlwifi/pcie/trans.c
+++ b/drivers/net/wireless/iwlwifi/pcie/trans.c
@@ -298,6 +298,10 @@ static void iwl_trans_pcie_queue_stuck_timer(unsigned long data)
struct iwl_tx_queue *txq = (void *)data;
struct iwl_trans_pcie *trans_pcie = txq->trans_pcie;
struct iwl_trans *trans = iwl_trans_pcie_get_trans(trans_pcie);
+ u32 scd_sram_addr = trans_pcie->scd_base_addr +
+ SCD_TX_STTS_MEM_LOWER_BOUND + (16 * txq->q.id);
+ u8 buf[16];
+ int i;
spin_lock(&txq->lock);
/* check if triggered erroneously */
@@ -307,15 +311,40 @@ static void iwl_trans_pcie_queue_stuck_timer(unsigned long data)
}
spin_unlock(&txq->lock);
-
IWL_ERR(trans, "Queue %d stuck for %u ms.\n", txq->q.id,
jiffies_to_msecs(trans_pcie->wd_timeout));
IWL_ERR(trans, "Current SW read_ptr %d write_ptr %d\n",
txq->q.read_ptr, txq->q.write_ptr);
- IWL_ERR(trans, "Current HW read_ptr %d write_ptr %d\n",
- iwl_read_prph(trans, SCD_QUEUE_RDPTR(txq->q.id))
- & (TFD_QUEUE_SIZE_MAX - 1),
- iwl_read_prph(trans, SCD_QUEUE_WRPTR(txq->q.id)));
+
+ iwl_read_targ_mem_bytes(trans, scd_sram_addr, buf, sizeof(buf));
+
+ iwl_print_hex_error(trans, buf, sizeof(buf));
+
+ for (i = 0; i < FH_TCSR_CHNL_NUM; i++)
+ IWL_ERR(trans, "FH TRBs(%d) = 0x%08x\n", i,
+ iwl_read_direct32(trans, FH_TX_TRB_REG(i)));
+
+ for (i = 0; i < trans->cfg->base_params->num_of_queues; i++) {
+ u32 status = iwl_read_prph(trans, SCD_QUEUE_STATUS_BITS(i));
+ u8 fifo = (status >> SCD_QUEUE_STTS_REG_POS_TXF) & 0x7;
+ bool active = !!(status & BIT(SCD_QUEUE_STTS_REG_POS_ACTIVE));
+ u32 tbl_dw =
+ iwl_read_targ_mem(trans,
+ trans_pcie->scd_base_addr +
+ SCD_TRANS_TBL_OFFSET_QUEUE(i));
+
+ if (i & 0x1)
+ tbl_dw = (tbl_dw & 0xFFFF0000) >> 16;
+ else
+ tbl_dw = tbl_dw & 0x0000FFFF;
+
+ IWL_ERR(trans,
+ "Q %d is %sactive and mapped to fifo %d ra_tid 0x%04x [%d,%d]\n",
+ i, active ? "" : "in", fifo, tbl_dw,
+ iwl_read_prph(trans,
+ SCD_QUEUE_RDPTR(i)) & (txq->q.n_bd - 1),
+ iwl_read_prph(trans, SCD_QUEUE_WRPTR(i)));
+ }
iwl_op_mode_nic_error(trans->op_mode);
}
@@ -1054,23 +1083,21 @@ static void iwl_tx_start(struct iwl_trans *trans)
iwl_write_prph(trans, SCD_DRAM_BASE_ADDR,
trans_pcie->scd_bc_tbls.dma >> 10);
+ /* The chain extension of the SCD doesn't work well. This feature is
+ * enabled by default by the HW, so we need to disable it manually.
+ */
+ iwl_write_prph(trans, SCD_CHAINEXT_EN, 0);
+
for (i = 0; i < trans_pcie->n_q_to_fifo; i++) {
int fifo = trans_pcie->setup_q_to_fifo[i];
- __iwl_trans_pcie_txq_enable(trans, i, fifo, IWL_INVALID_STATION,
- IWL_TID_NON_QOS,
- SCD_FRAME_LIMIT, 0);
+ iwl_trans_pcie_txq_enable(trans, i, fifo, IWL_INVALID_STATION,
+ IWL_TID_NON_QOS, SCD_FRAME_LIMIT, 0);
}
/* Activate all Tx DMA/FIFO channels */
iwl_trans_txq_set_sched(trans, IWL_MASK(0, 7));
- /* The chain extension of the SCD doesn't work well. This feature is
- * enabled by default by the HW, so we need to disable it manually.
- */
- iwl_write_prph(trans, SCD_CHAINEXT_EN, 0);
-
-
/* Enable DMA channel */
for (chan = 0; chan < FH_TCSR_CHNL_NUM ; chan++)
iwl_write_direct32(trans, FH_TCSR_CHNL_TX_CONFIG_REG(chan),
@@ -1239,6 +1266,19 @@ static int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb,
spin_lock(&txq->lock);
+ /* In AGG mode, the index in the ring must correspond to the WiFi
+ * sequence number. This is a HW requirements to help the SCD to parse
+ * the BA.
+ * Check here that the packets are in the right place on the ring.
+ */
+#ifdef CONFIG_IWLWIFI_DEBUG
+ wifi_seq = SEQ_TO_SN(le16_to_cpu(hdr->seq_ctrl));
+ WARN_ONCE((iwl_read_prph(trans, SCD_AGGR_SEL) & BIT(txq_id)) &&
+ ((wifi_seq & 0xff) != q->write_ptr),
+ "Q: %d WiFi Seq %d tfdNum %d",
+ txq_id, wifi_seq, q->write_ptr);
+#endif
+
/* Set up driver data for this TFD */
txq->entries[q->write_ptr].skb = skb;
txq->entries[q->write_ptr].cmd = dev_cmd;
@@ -1332,7 +1372,8 @@ static int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb,
skb->data + hdr_len, secondlen);
/* start timer if queue currently empty */
- if (q->read_ptr == q->write_ptr && trans_pcie->wd_timeout)
+ if (txq->need_update && q->read_ptr == q->write_ptr &&
+ trans_pcie->wd_timeout)
mod_timer(&txq->stuck_timer, jiffies + trans_pcie->wd_timeout);
/* Tell device the write index *just past* this latest filled TFD */
diff --git a/drivers/net/wireless/iwlwifi/pcie/tx.c b/drivers/net/wireless/iwlwifi/pcie/tx.c
index 35e82161ca43..6baf8deef519 100644
--- a/drivers/net/wireless/iwlwifi/pcie/tx.c
+++ b/drivers/net/wireless/iwlwifi/pcie/tx.c
@@ -380,8 +380,8 @@ static void iwlagn_txq_inval_byte_cnt_tbl(struct iwl_trans *trans,
tfd_offset[TFD_QUEUE_SIZE_MAX + read_ptr] = bc_ent;
}
-static int iwlagn_tx_queue_set_q2ratid(struct iwl_trans *trans, u16 ra_tid,
- u16 txq_id)
+static int iwl_txq_set_ratid_map(struct iwl_trans *trans, u16 ra_tid,
+ u16 txq_id)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
u32 tbl_dw_addr;
@@ -405,7 +405,7 @@ static int iwlagn_tx_queue_set_q2ratid(struct iwl_trans *trans, u16 ra_tid,
return 0;
}
-static void iwlagn_tx_queue_stop_scheduler(struct iwl_trans *trans, u16 txq_id)
+static inline void iwl_txq_set_inactive(struct iwl_trans *trans, u16 txq_id)
{
/* Simply stop the queue, but don't change any configuration;
* the SCD_ACT_EN bit is the write-enable mask for the ACTIVE bit. */
@@ -415,46 +415,16 @@ static void iwlagn_tx_queue_stop_scheduler(struct iwl_trans *trans, u16 txq_id)
(1 << SCD_QUEUE_STTS_REG_POS_SCD_ACT_EN));
}
-void iwl_trans_set_wr_ptrs(struct iwl_trans *trans, int txq_id, u32 index)
-{
- IWL_DEBUG_TX_QUEUES(trans, "Q %d WrPtr: %d\n", txq_id, index & 0xff);
- iwl_write_direct32(trans, HBUS_TARG_WRPTR,
- (index & 0xff) | (txq_id << 8));
- iwl_write_prph(trans, SCD_QUEUE_RDPTR(txq_id), index);
-}
-
-void iwl_trans_tx_queue_set_status(struct iwl_trans *trans,
- struct iwl_tx_queue *txq,
- int tx_fifo_id, bool active)
-{
- int txq_id = txq->q.id;
-
- iwl_write_prph(trans, SCD_QUEUE_STATUS_BITS(txq_id),
- (active << SCD_QUEUE_STTS_REG_POS_ACTIVE) |
- (tx_fifo_id << SCD_QUEUE_STTS_REG_POS_TXF) |
- (1 << SCD_QUEUE_STTS_REG_POS_WSL) |
- SCD_QUEUE_STTS_REG_MSK);
-
- if (active)
- IWL_DEBUG_TX_QUEUES(trans, "Activate queue %d on FIFO %d\n",
- txq_id, tx_fifo_id);
- else
- IWL_DEBUG_TX_QUEUES(trans, "Deactivate queue %d\n", txq_id);
-}
-
-void __iwl_trans_pcie_txq_enable(struct iwl_trans *trans, int txq_id,
- int fifo, int sta_id, int tid,
- int frame_limit, u16 ssn)
+void iwl_trans_pcie_txq_enable(struct iwl_trans *trans, int txq_id, int fifo,
+ int sta_id, int tid, int frame_limit, u16 ssn)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
- lockdep_assert_held(&trans_pcie->irq_lock);
-
if (test_and_set_bit(txq_id, trans_pcie->queue_used))
WARN_ONCE(1, "queue %d already used - expect issues", txq_id);
/* Stop this Tx queue before configuring it */
- iwlagn_tx_queue_stop_scheduler(trans, txq_id);
+ iwl_txq_set_inactive(trans, txq_id);
/* Set this queue as a chain-building queue unless it is CMD queue */
if (txq_id != trans_pcie->cmd_queue)
@@ -465,17 +435,27 @@ void __iwl_trans_pcie_txq_enable(struct iwl_trans *trans, int txq_id,
u16 ra_tid = BUILD_RAxTID(sta_id, tid);
/* Map receiver-address / traffic-ID to this queue */
- iwlagn_tx_queue_set_q2ratid(trans, ra_tid, txq_id);
+ iwl_txq_set_ratid_map(trans, ra_tid, txq_id);
/* enable aggregations for the queue */
iwl_set_bits_prph(trans, SCD_AGGR_SEL, BIT(txq_id));
+ } else {
+ /*
+ * disable aggregations for the queue, this will also make the
+ * ra_tid mapping configuration irrelevant since it is now a
+ * non-AGG queue.
+ */
+ iwl_clear_bits_prph(trans, SCD_AGGR_SEL, BIT(txq_id));
}
/* Place first TFD at index corresponding to start sequence number.
* Assumes that ssn_idx is valid (!= 0xFFF) */
trans_pcie->txq[txq_id].q.read_ptr = (ssn & 0xff);
trans_pcie->txq[txq_id].q.write_ptr = (ssn & 0xff);
- iwl_trans_set_wr_ptrs(trans, txq_id, ssn);
+
+ iwl_write_direct32(trans, HBUS_TARG_WRPTR,
+ (ssn & 0xff) | (txq_id << 8));
+ iwl_write_prph(trans, SCD_QUEUE_RDPTR(txq_id), ssn);
/* Set up Tx window size and frame limit for this queue */
iwl_write_targ_mem(trans, trans_pcie->scd_base_addr +
@@ -488,43 +468,34 @@ void __iwl_trans_pcie_txq_enable(struct iwl_trans *trans, int txq_id,
SCD_QUEUE_CTX_REG2_FRAME_LIMIT_MSK));
/* Set up Status area in SRAM, map to Tx DMA/FIFO, activate the queue */
- iwl_trans_tx_queue_set_status(trans, &trans_pcie->txq[txq_id],
- fifo, true);
-}
-
-void iwl_trans_pcie_txq_enable(struct iwl_trans *trans, int txq_id, int fifo,
- int sta_id, int tid, int frame_limit, u16 ssn)
-{
- struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
- unsigned long flags;
-
- spin_lock_irqsave(&trans_pcie->irq_lock, flags);
-
- __iwl_trans_pcie_txq_enable(trans, txq_id, fifo, sta_id,
- tid, frame_limit, ssn);
-
- spin_unlock_irqrestore(&trans_pcie->irq_lock, flags);
+ iwl_write_prph(trans, SCD_QUEUE_STATUS_BITS(txq_id),
+ (1 << SCD_QUEUE_STTS_REG_POS_ACTIVE) |
+ (fifo << SCD_QUEUE_STTS_REG_POS_TXF) |
+ (1 << SCD_QUEUE_STTS_REG_POS_WSL) |
+ SCD_QUEUE_STTS_REG_MSK);
+ IWL_DEBUG_TX_QUEUES(trans, "Activate queue %d on FIFO %d WrPtr: %d\n",
+ txq_id, fifo, ssn & 0xff);
}
void iwl_trans_pcie_txq_disable(struct iwl_trans *trans, int txq_id)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
+ u16 rd_ptr, wr_ptr;
+ int n_bd = trans_pcie->txq[txq_id].q.n_bd;
if (!test_and_clear_bit(txq_id, trans_pcie->queue_used)) {
WARN_ONCE(1, "queue %d not used", txq_id);
return;
}
- iwlagn_tx_queue_stop_scheduler(trans, txq_id);
-
- iwl_clear_bits_prph(trans, SCD_AGGR_SEL, BIT(txq_id));
+ rd_ptr = iwl_read_prph(trans, SCD_QUEUE_RDPTR(txq_id)) & (n_bd - 1);
+ wr_ptr = iwl_read_prph(trans, SCD_QUEUE_WRPTR(txq_id));
- trans_pcie->txq[txq_id].q.read_ptr = 0;
- trans_pcie->txq[txq_id].q.write_ptr = 0;
- iwl_trans_set_wr_ptrs(trans, txq_id, 0);
+ WARN_ONCE(rd_ptr != wr_ptr, "queue %d isn't empty: [%d,%d]",
+ txq_id, rd_ptr, wr_ptr);
- iwl_trans_tx_queue_set_status(trans, &trans_pcie->txq[txq_id],
- 0, false);
+ iwl_txq_set_inactive(trans, txq_id);
+ IWL_DEBUG_TX_QUEUES(trans, "Deactivate queue %d\n", txq_id);
}
/*************** HOST COMMAND QUEUE FUNCTIONS *****/
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