@@ -456,7 +456,7 @@ int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
else
ctx->staging.flags &= ~RXON_FLG_SHORT_SLOT_MSK;
- iwl_print_rx_config_cmd(priv, ctx);
+ iwl_print_rx_config_cmd(priv, ctx->ctxid);
ret = iwl_check_rxon_cmd(priv, ctx);
if (ret) {
IWL_ERR(priv, "Invalid RXON configuration. Not committing.\n");
@@ -117,7 +117,6 @@ struct iwl_tt_mgmt {
u8 iwl_tt_current_power_mode(struct iwl_priv *priv);
bool iwl_tt_is_low_power_state(struct iwl_priv *priv);
bool iwl_ht_enabled(struct iwl_priv *priv);
-bool iwl_check_for_ct_kill(struct iwl_priv *priv);
enum iwl_antenna_ok iwl_tx_ant_restriction(struct iwl_priv *priv);
enum iwl_antenna_ok iwl_rx_ant_restriction(struct iwl_priv *priv);
void iwl_tt_enter_ct_kill(struct iwl_priv *priv);
@@ -98,7 +98,6 @@ int iwlagn_load_ucode_wait_alive(struct iwl_priv *priv,
enum iwlagn_ucode_type ucode_type);
/* lib */
-int iwlagn_hw_valid_rtc_data_addr(u32 addr);
int iwlagn_send_tx_power(struct iwl_priv *priv);
void iwlagn_temperature(struct iwl_priv *priv);
u16 iwlagn_eeprom_calib_version(struct iwl_priv *priv);
@@ -109,7 +108,6 @@ int iwlagn_send_beacon_cmd(struct iwl_priv *priv);
/* rx */
int iwlagn_hwrate_to_mac80211_idx(u32 rate_n_flags, enum ieee80211_band band);
void iwl_setup_rx_handlers(struct iwl_priv *priv);
-void iwl_rx_dispatch(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb);
/* tx */
@@ -817,9 +817,9 @@ void iwl_chswitch_done(struct iwl_priv *priv, bool is_success)
}
#ifdef CONFIG_IWLWIFI_DEBUG
-void iwl_print_rx_config_cmd(struct iwl_priv *priv,
- struct iwl_rxon_context *ctx)
+void iwl_print_rx_config_cmd(struct iwl_priv *priv, u8 ctxid)
{
+ struct iwl_rxon_context *ctx = &priv->contexts[ctxid];
struct iwl_rxon_cmd *rxon = &ctx->staging;
IWL_DEBUG_RADIO(priv, "RX CONFIG:\n");
@@ -73,8 +73,6 @@ struct iwl_cmd;
#define TIME_UNIT 1024
-#define IWL_CMD(x) case x: return #x
-
struct iwl_lib_ops {
/* set hw dependent parameters */
int (*set_hw_params)(struct iwl_priv *priv);
@@ -271,7 +269,6 @@ int iwl_mac_change_interface(struct ieee80211_hw *hw,
#ifdef CONFIG_IWLWIFI_DEBUGFS
int iwl_alloc_traffic_mem(struct iwl_priv *priv);
void iwl_free_traffic_mem(struct iwl_priv *priv);
-void iwl_reset_traffic_log(struct iwl_priv *priv);
void iwl_dbg_log_tx_data_frame(struct iwl_priv *priv,
u16 length, struct ieee80211_hdr *header);
void iwl_dbg_log_rx_data_frame(struct iwl_priv *priv,
@@ -360,7 +357,6 @@ int __must_check iwl_scan_initiate(struct iwl_priv *priv,
* S e n d i n g H o s t C o m m a n d s *
*****************************************************/
-const char *get_cmd_string(u8 cmd);
void iwl_bg_watchdog(unsigned long data);
u32 iwl_usecs_to_beacons(struct iwl_priv *priv, u32 usec, u32 beacon_interval);
__le32 iwl_add_beacon_time(struct iwl_priv *priv, u32 base,
@@ -368,19 +364,6 @@ __le32 iwl_add_beacon_time(struct iwl_priv *priv, u32 base,
/*****************************************************
-* Error Handling Debugging
-******************************************************/
-#ifdef CONFIG_IWLWIFI_DEBUG
-void iwl_print_rx_config_cmd(struct iwl_priv *priv,
- struct iwl_rxon_context *ctx);
-#else
-static inline void iwl_print_rx_config_cmd(struct iwl_priv *priv,
- struct iwl_rxon_context *ctx)
-{
-}
-#endif
-
-/*****************************************************
* GEOS
******************************************************/
int iwl_init_geos(struct iwl_priv *priv);
@@ -389,8 +372,6 @@ void iwl_free_geos(struct iwl_priv *priv);
extern void iwl_send_bt_config(struct iwl_priv *priv);
extern int iwl_send_statistics_request(struct iwl_priv *priv,
u8 flags, bool clear);
-void iwl_apm_stop(struct iwl_priv *priv);
-int iwl_apm_init(struct iwl_priv *priv);
int iwl_send_rxon_timing(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
@@ -408,7 +389,4 @@ static inline bool iwl_advanced_bt_coexist(struct iwl_priv *priv)
extern bool bt_siso_mode;
-
-void iwlagn_fw_error(struct iwl_priv *priv, bool ondemand);
-
#endif /* __iwl_core_h__ */
@@ -32,7 +32,6 @@
#define __iwl_dev_h__
#include <linux/interrupt.h>
-#include <linux/pci.h> /* for struct pci_device_id */
#include <linux/kernel.h>
#include <linux/wait.h>
#include <linux/leds.h>
@@ -89,100 +88,6 @@ struct iwl_tx_queue;
#define DEFAULT_SHORT_RETRY_LIMIT 7U
#define DEFAULT_LONG_RETRY_LIMIT 4U
-/* defined below */
-struct iwl_device_cmd;
-
-struct iwl_cmd_meta {
- /* only for SYNC commands, iff the reply skb is wanted */
- struct iwl_host_cmd *source;
- /*
- * only for ASYNC commands
- * (which is somewhat stupid -- look at iwl-sta.c for instance
- * which duplicates a bunch of code because the callback isn't
- * invoked for SYNC commands, if it were and its result passed
- * through it would be simpler...)
- */
- void (*callback)(struct iwl_shared *shrd,
- struct iwl_device_cmd *cmd,
- struct iwl_rx_packet *pkt);
-
- u32 flags;
-
- DEFINE_DMA_UNMAP_ADDR(mapping);
- DEFINE_DMA_UNMAP_LEN(len);
-};
-
-/*
- * Generic queue structure
- *
- * Contains common data for Rx and Tx queues.
- *
- * Note the difference between n_bd and n_window: the hardware
- * always assumes 256 descriptors, so n_bd is always 256 (unless
- * there might be HW changes in the future). For the normal TX
- * queues, n_window, which is the size of the software queue data
- * is also 256; however, for the command queue, n_window is only
- * 32 since we don't need so many commands pending. Since the HW
- * still uses 256 BDs for DMA though, n_bd stays 256. As a result,
- * the software buffers (in the variables @meta, @txb in struct
- * iwl_tx_queue) only have 32 entries, while the HW buffers (@tfds
- * in the same struct) have 256.
- * This means that we end up with the following:
- * HW entries: | 0 | ... | N * 32 | ... | N * 32 + 31 | ... | 255 |
- * SW entries: | 0 | ... | 31 |
- * where N is a number between 0 and 7. This means that the SW
- * data is a window overlayed over the HW queue.
- */
-struct iwl_queue {
- int n_bd; /* number of BDs in this queue */
- int write_ptr; /* 1-st empty entry (index) host_w*/
- int read_ptr; /* last used entry (index) host_r*/
- /* use for monitoring and recovering the stuck queue */
- dma_addr_t dma_addr; /* physical addr for BD's */
- int n_window; /* safe queue window */
- u32 id;
- int low_mark; /* low watermark, resume queue if free
- * space more than this */
- int high_mark; /* high watermark, stop queue if free
- * space less than this */
-};
-
-/**
- * struct iwl_tx_queue - Tx Queue for DMA
- * @q: generic Rx/Tx queue descriptor
- * @bd: base of circular buffer of TFDs
- * @cmd: array of command/TX buffer pointers
- * @meta: array of meta data for each command/tx buffer
- * @dma_addr_cmd: physical address of cmd/tx buffer array
- * @txb: array of per-TFD driver data
- * @time_stamp: time (in jiffies) of last read_ptr change
- * @need_update: indicates need to update read/write index
- * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled
- * @sta_id: valid if sched_retry is set
- * @tid: valid if sched_retry is set
- *
- * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
- * descriptors) and required locking structures.
- */
-#define TFD_TX_CMD_SLOTS 256
-#define TFD_CMD_SLOTS 32
-
-struct iwl_tx_queue {
- struct iwl_queue q;
- struct iwl_tfd *tfds;
- struct iwl_device_cmd **cmd;
- struct iwl_cmd_meta *meta;
- struct sk_buff **skbs;
- unsigned long time_stamp;
- u8 need_update;
- u8 sched_retry;
- u8 active;
- u8 swq_id;
-
- u16 sta_id;
- u16 tid;
-};
-
#define IWL_NUM_SCAN_RATES (2)
/*
@@ -249,70 +154,6 @@ struct iwl_channel_info {
#define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
#define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
-
-#define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
-#define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
-#define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
-
-enum {
- CMD_SYNC = 0,
- CMD_ASYNC = BIT(0),
- CMD_WANT_SKB = BIT(1),
- CMD_ON_DEMAND = BIT(2),
-};
-
-#define DEF_CMD_PAYLOAD_SIZE 320
-
-/**
- * struct iwl_device_cmd
- *
- * For allocation of the command and tx queues, this establishes the overall
- * size of the largest command we send to uCode, except for commands that
- * aren't fully copied and use other TFD space.
- */
-struct iwl_device_cmd {
- struct iwl_cmd_header hdr; /* uCode API */
- union {
- u32 flags;
- u8 val8;
- u16 val16;
- u32 val32;
- struct iwl_tx_cmd tx;
- struct iwl6000_channel_switch_cmd chswitch;
- u8 payload[DEF_CMD_PAYLOAD_SIZE];
- } __packed cmd;
-} __packed;
-
-#define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_device_cmd))
-
-#define IWL_MAX_CMD_TFDS 2
-
-enum iwl_hcmd_dataflag {
- IWL_HCMD_DFL_NOCOPY = BIT(0),
-};
-
-/**
- * struct iwl_host_cmd - Host command to the uCode
- * @data: array of chunks that composes the data of the host command
- * @reply_page: pointer to the page that holds the response to the host command
- * @callback:
- * @flags: can be CMD_* note CMD_WANT_SKB is incompatible withe CMD_ASYNC
- * @len: array of the lenths of the chunks in data
- * @dataflags:
- * @id: id of the host command
- */
-struct iwl_host_cmd {
- const void *data[IWL_MAX_CMD_TFDS];
- unsigned long reply_page;
- void (*callback)(struct iwl_shared *shrd,
- struct iwl_device_cmd *cmd,
- struct iwl_rx_packet *pkt);
- u32 flags;
- u16 len[IWL_MAX_CMD_TFDS];
- u8 dataflags[IWL_MAX_CMD_TFDS];
- u8 id;
-};
-
#define SUP_RATE_11A_MAX_NUM_CHANNELS 8
#define SUP_RATE_11B_MAX_NUM_CHANNELS 4
#define SUP_RATE_11G_MAX_NUM_CHANNELS 12
@@ -580,9 +421,6 @@ extern const u8 iwl_bcast_addr[ETH_ALEN];
#define IWL_OPERATION_MODE_MIXED 2
#define IWL_OPERATION_MODE_20MHZ 3
-#define IWL_TX_CRC_SIZE 4
-#define IWL_TX_DELIMITER_SIZE 4
-
#define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
/* Sensitivity and chain noise calibration */
@@ -35,35 +35,12 @@
#include "iwl-io.h"
-#define IWL_MASK(lo, hi) ((1 << (hi)) | ((1 << (hi)) - (1 << (lo))))
-
-
static inline struct ieee80211_conf *ieee80211_get_hw_conf(
struct ieee80211_hw *hw)
{
return &hw->conf;
}
-/**
- * iwl_queue_inc_wrap - increment queue index, wrap back to beginning
- * @index -- current index
- * @n_bd -- total number of entries in queue (must be power of 2)
- */
-static inline int iwl_queue_inc_wrap(int index, int n_bd)
-{
- return ++index & (n_bd - 1);
-}
-
-/**
- * iwl_queue_dec_wrap - decrement queue index, wrap back to end
- * @index -- current index
- * @n_bd -- total number of entries in queue (must be power of 2)
- */
-static inline int iwl_queue_dec_wrap(int index, int n_bd)
-{
- return --index & (n_bd - 1);
-}
-
static inline void iwl_enable_rfkill_int(struct iwl_priv *priv)
{
IWL_DEBUG_ISR(priv, "Enabling rfkill interrupt\n");
@@ -42,6 +42,87 @@
#include "iwl-agn.h"
#include "iwl-shared.h"
+const char *get_cmd_string(u8 cmd)
+{
+ switch (cmd) {
+ IWL_CMD(REPLY_ALIVE);
+ IWL_CMD(REPLY_ERROR);
+ IWL_CMD(REPLY_RXON);
+ IWL_CMD(REPLY_RXON_ASSOC);
+ IWL_CMD(REPLY_QOS_PARAM);
+ IWL_CMD(REPLY_RXON_TIMING);
+ IWL_CMD(REPLY_ADD_STA);
+ IWL_CMD(REPLY_REMOVE_STA);
+ IWL_CMD(REPLY_REMOVE_ALL_STA);
+ IWL_CMD(REPLY_TXFIFO_FLUSH);
+ IWL_CMD(REPLY_WEPKEY);
+ IWL_CMD(REPLY_TX);
+ IWL_CMD(REPLY_LEDS_CMD);
+ IWL_CMD(REPLY_TX_LINK_QUALITY_CMD);
+ IWL_CMD(COEX_PRIORITY_TABLE_CMD);
+ IWL_CMD(COEX_MEDIUM_NOTIFICATION);
+ IWL_CMD(COEX_EVENT_CMD);
+ IWL_CMD(REPLY_QUIET_CMD);
+ IWL_CMD(REPLY_CHANNEL_SWITCH);
+ IWL_CMD(CHANNEL_SWITCH_NOTIFICATION);
+ IWL_CMD(REPLY_SPECTRUM_MEASUREMENT_CMD);
+ IWL_CMD(SPECTRUM_MEASURE_NOTIFICATION);
+ IWL_CMD(POWER_TABLE_CMD);
+ IWL_CMD(PM_SLEEP_NOTIFICATION);
+ IWL_CMD(PM_DEBUG_STATISTIC_NOTIFIC);
+ IWL_CMD(REPLY_SCAN_CMD);
+ IWL_CMD(REPLY_SCAN_ABORT_CMD);
+ IWL_CMD(SCAN_START_NOTIFICATION);
+ IWL_CMD(SCAN_RESULTS_NOTIFICATION);
+ IWL_CMD(SCAN_COMPLETE_NOTIFICATION);
+ IWL_CMD(BEACON_NOTIFICATION);
+ IWL_CMD(REPLY_TX_BEACON);
+ IWL_CMD(WHO_IS_AWAKE_NOTIFICATION);
+ IWL_CMD(QUIET_NOTIFICATION);
+ IWL_CMD(REPLY_TX_PWR_TABLE_CMD);
+ IWL_CMD(MEASURE_ABORT_NOTIFICATION);
+ IWL_CMD(REPLY_BT_CONFIG);
+ IWL_CMD(REPLY_STATISTICS_CMD);
+ IWL_CMD(STATISTICS_NOTIFICATION);
+ IWL_CMD(REPLY_CARD_STATE_CMD);
+ IWL_CMD(CARD_STATE_NOTIFICATION);
+ IWL_CMD(MISSED_BEACONS_NOTIFICATION);
+ IWL_CMD(REPLY_CT_KILL_CONFIG_CMD);
+ IWL_CMD(SENSITIVITY_CMD);
+ IWL_CMD(REPLY_PHY_CALIBRATION_CMD);
+ IWL_CMD(REPLY_RX_PHY_CMD);
+ IWL_CMD(REPLY_RX_MPDU_CMD);
+ IWL_CMD(REPLY_RX);
+ IWL_CMD(REPLY_COMPRESSED_BA);
+ IWL_CMD(CALIBRATION_CFG_CMD);
+ IWL_CMD(CALIBRATION_RES_NOTIFICATION);
+ IWL_CMD(CALIBRATION_COMPLETE_NOTIFICATION);
+ IWL_CMD(REPLY_TX_POWER_DBM_CMD);
+ IWL_CMD(TEMPERATURE_NOTIFICATION);
+ IWL_CMD(TX_ANT_CONFIGURATION_CMD);
+ IWL_CMD(REPLY_BT_COEX_PROFILE_NOTIF);
+ IWL_CMD(REPLY_BT_COEX_PRIO_TABLE);
+ IWL_CMD(REPLY_BT_COEX_PROT_ENV);
+ IWL_CMD(REPLY_WIPAN_PARAMS);
+ IWL_CMD(REPLY_WIPAN_RXON);
+ IWL_CMD(REPLY_WIPAN_RXON_TIMING);
+ IWL_CMD(REPLY_WIPAN_RXON_ASSOC);
+ IWL_CMD(REPLY_WIPAN_QOS_PARAM);
+ IWL_CMD(REPLY_WIPAN_WEPKEY);
+ IWL_CMD(REPLY_WIPAN_P2P_CHANNEL_SWITCH);
+ IWL_CMD(REPLY_WIPAN_NOA_NOTIFICATION);
+ IWL_CMD(REPLY_WIPAN_DEACTIVATION_COMPLETE);
+ IWL_CMD(REPLY_WOWLAN_PATTERNS);
+ IWL_CMD(REPLY_WOWLAN_WAKEUP_FILTER);
+ IWL_CMD(REPLY_WOWLAN_TSC_RSC_PARAMS);
+ IWL_CMD(REPLY_WOWLAN_TKIP_PARAMS);
+ IWL_CMD(REPLY_WOWLAN_KEK_KCK_MATERIAL);
+ IWL_CMD(REPLY_WOWLAN_GET_STATUS);
+ default:
+ return "UNKNOWN";
+
+ }
+}
/******************************************************************************
*
@@ -67,6 +67,7 @@
#include <linux/spinlock.h>
#include <linux/mutex.h>
#include <linux/gfp.h>
+#include <linux/mm.h> /* for page_address */
#include <net/mac80211.h>
#include "iwl-commands.h"
@@ -287,6 +288,26 @@ static inline void iwl_free_pages(struct iwl_shared *shrd, unsigned long page)
free_pages(page, shrd->hw_params.rx_page_order);
}
+/**
+ * iwl_queue_inc_wrap - increment queue index, wrap back to beginning
+ * @index -- current index
+ * @n_bd -- total number of entries in queue (must be power of 2)
+ */
+static inline int iwl_queue_inc_wrap(int index, int n_bd)
+{
+ return ++index & (n_bd - 1);
+}
+
+/**
+ * iwl_queue_dec_wrap - decrement queue index, wrap back to end
+ * @index -- current index
+ * @n_bd -- total number of entries in queue (must be power of 2)
+ */
+static inline int iwl_queue_dec_wrap(int index, int n_bd)
+{
+ return --index & (n_bd - 1);
+}
+
struct iwl_rx_mem_buffer {
dma_addr_t page_dma;
struct page *page;
@@ -357,6 +378,8 @@ int iwl_probe(struct iwl_bus *bus, const struct iwl_trans_ops *trans_ops,
struct iwl_cfg *cfg);
void __devexit iwl_remove(struct iwl_priv * priv);
+void iwl_rx_dispatch(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb);
+int iwlagn_hw_valid_rtc_data_addr(u32 addr);
void iwl_start_tx_ba_trans_ready(struct iwl_priv *priv,
enum iwl_rxon_context_id ctx,
u8 sta_id, u8 tid);
@@ -364,6 +387,26 @@ void iwl_stop_tx_ba_trans_ready(struct iwl_priv *priv,
enum iwl_rxon_context_id ctx,
u8 sta_id, u8 tid);
void iwl_set_hw_rfkill_state(struct iwl_priv *priv, bool state);
+void iwl_apm_stop(struct iwl_priv *priv);
+int iwl_apm_init(struct iwl_priv *priv);
+void iwlagn_fw_error(struct iwl_priv *priv, bool ondemand);
+const char *get_cmd_string(u8 cmd);
+bool iwl_check_for_ct_kill(struct iwl_priv *priv);
+
+#ifdef CONFIG_IWLWIFI_DEBUGFS
+void iwl_reset_traffic_log(struct iwl_priv *priv);
+#endif /* CONFIG_IWLWIFI_DEBUGFS */
+
+#ifdef CONFIG_IWLWIFI_DEBUG
+void iwl_print_rx_config_cmd(struct iwl_priv *priv, u8 ctxid);
+#else
+static inline void iwl_print_rx_config_cmd(struct iwl_priv *priv, u8 ctxid);
+{
+}
+#endif
+
+#define IWL_CMD(x) case x: return #x
+#define IWL_MASK(lo, hi) ((1 << (hi)) | ((1 << (hi)) - (1 << (lo))))
/*****************************************************
* DRIVER STATUS FUNCTIONS
@@ -63,6 +63,7 @@
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/module.h>
+#include <linux/dma-mapping.h>
#include <net/net_namespace.h>
#include <linux/netdevice.h>
#include <net/cfg80211.h>
@@ -32,6 +32,7 @@
#include <linux/spinlock.h>
#include <linux/interrupt.h>
#include <linux/skbuff.h>
+#include <linux/pci.h>
#include "iwl-fh.h"
#include "iwl-csr.h"
@@ -114,6 +115,97 @@ struct iwl_dma_ptr {
*/
#define IWL_IPAN_MCAST_QUEUE 8
+struct iwl_cmd_meta {
+ /* only for SYNC commands, iff the reply skb is wanted */
+ struct iwl_host_cmd *source;
+ /*
+ * only for ASYNC commands
+ * (which is somewhat stupid -- look at iwl-sta.c for instance
+ * which duplicates a bunch of code because the callback isn't
+ * invoked for SYNC commands, if it were and its result passed
+ * through it would be simpler...)
+ */
+ void (*callback)(struct iwl_shared *shrd,
+ struct iwl_device_cmd *cmd,
+ struct iwl_rx_packet *pkt);
+
+ u32 flags;
+
+ DEFINE_DMA_UNMAP_ADDR(mapping);
+ DEFINE_DMA_UNMAP_LEN(len);
+};
+
+/*
+ * Generic queue structure
+ *
+ * Contains common data for Rx and Tx queues.
+ *
+ * Note the difference between n_bd and n_window: the hardware
+ * always assumes 256 descriptors, so n_bd is always 256 (unless
+ * there might be HW changes in the future). For the normal TX
+ * queues, n_window, which is the size of the software queue data
+ * is also 256; however, for the command queue, n_window is only
+ * 32 since we don't need so many commands pending. Since the HW
+ * still uses 256 BDs for DMA though, n_bd stays 256. As a result,
+ * the software buffers (in the variables @meta, @txb in struct
+ * iwl_tx_queue) only have 32 entries, while the HW buffers (@tfds
+ * in the same struct) have 256.
+ * This means that we end up with the following:
+ * HW entries: | 0 | ... | N * 32 | ... | N * 32 + 31 | ... | 255 |
+ * SW entries: | 0 | ... | 31 |
+ * where N is a number between 0 and 7. This means that the SW
+ * data is a window overlayed over the HW queue.
+ */
+struct iwl_queue {
+ int n_bd; /* number of BDs in this queue */
+ int write_ptr; /* 1-st empty entry (index) host_w*/
+ int read_ptr; /* last used entry (index) host_r*/
+ /* use for monitoring and recovering the stuck queue */
+ dma_addr_t dma_addr; /* physical addr for BD's */
+ int n_window; /* safe queue window */
+ u32 id;
+ int low_mark; /* low watermark, resume queue if free
+ * space more than this */
+ int high_mark; /* high watermark, stop queue if free
+ * space less than this */
+};
+
+/**
+ * struct iwl_tx_queue - Tx Queue for DMA
+ * @q: generic Rx/Tx queue descriptor
+ * @bd: base of circular buffer of TFDs
+ * @cmd: array of command/TX buffer pointers
+ * @meta: array of meta data for each command/tx buffer
+ * @dma_addr_cmd: physical address of cmd/tx buffer array
+ * @txb: array of per-TFD driver data
+ * @time_stamp: time (in jiffies) of last read_ptr change
+ * @need_update: indicates need to update read/write index
+ * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled
+ * @sta_id: valid if sched_retry is set
+ * @tid: valid if sched_retry is set
+ *
+ * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
+ * descriptors) and required locking structures.
+ */
+#define TFD_TX_CMD_SLOTS 256
+#define TFD_CMD_SLOTS 32
+
+struct iwl_tx_queue {
+ struct iwl_queue q;
+ struct iwl_tfd *tfds;
+ struct iwl_device_cmd **cmd;
+ struct iwl_cmd_meta *meta;
+ struct sk_buff **skbs;
+ unsigned long time_stamp;
+ u8 need_update;
+ u8 sched_retry;
+ u8 active;
+ u8 swq_id;
+
+ u16 sta_id;
+ u16 tid;
+};
+
/**
* struct iwl_trans_pcie - PCIe transport specific data
* @rxq: all the RX queue data
@@ -30,8 +30,7 @@
#include <linux/wait.h>
#include <linux/gfp.h>
-#include "iwl-dev.h"
-#include "iwl-agn.h"
+/*TODO: Remove include to iwl-core.h*/
#include "iwl-core.h"
#include "iwl-io.h"
#include "iwl-helpers.h"
@@ -660,8 +659,7 @@ static void iwl_irq_handle_error(struct iwl_trans *trans)
iwl_dump_nic_event_log(trans, false, NULL, false);
#ifdef CONFIG_IWLWIFI_DEBUG
if (iwl_get_debug_level(trans->shrd) & IWL_DL_FW_ERRORS)
- iwl_print_rx_config_cmd(priv,
- &priv->contexts[IWL_RXON_CTX_BSS]);
+ iwl_print_rx_config_cmd(priv(trans), IWL_RXON_CTX_BSS);
#endif
iwlagn_fw_error(priv, false);
@@ -30,13 +30,19 @@
#include <linux/slab.h>
#include <linux/sched.h>
-#include "iwl-agn.h"
+/* TODO: remove include to iwl-dev.h */
#include "iwl-dev.h"
-#include "iwl-core.h"
+#include "iwl-debug.h"
+#include "iwl-csr.h"
+#include "iwl-prph.h"
#include "iwl-io.h"
+#include "iwl-agn-hw.h"
#include "iwl-helpers.h"
#include "iwl-trans-int-pcie.h"
+#define IWL_TX_CRC_SIZE 4
+#define IWL_TX_DELIMITER_SIZE 4
+
/**
* iwl_trans_txq_update_byte_cnt_tbl - Set up entry in Tx byte-count array
*/
@@ -945,88 +951,6 @@ void iwl_tx_cmd_complete(struct iwl_trans *trans, struct iwl_rx_mem_buffer *rxb)
spin_unlock_irqrestore(&trans->hcmd_lock, flags);
}
-const char *get_cmd_string(u8 cmd)
-{
- switch (cmd) {
- IWL_CMD(REPLY_ALIVE);
- IWL_CMD(REPLY_ERROR);
- IWL_CMD(REPLY_RXON);
- IWL_CMD(REPLY_RXON_ASSOC);
- IWL_CMD(REPLY_QOS_PARAM);
- IWL_CMD(REPLY_RXON_TIMING);
- IWL_CMD(REPLY_ADD_STA);
- IWL_CMD(REPLY_REMOVE_STA);
- IWL_CMD(REPLY_REMOVE_ALL_STA);
- IWL_CMD(REPLY_TXFIFO_FLUSH);
- IWL_CMD(REPLY_WEPKEY);
- IWL_CMD(REPLY_TX);
- IWL_CMD(REPLY_LEDS_CMD);
- IWL_CMD(REPLY_TX_LINK_QUALITY_CMD);
- IWL_CMD(COEX_PRIORITY_TABLE_CMD);
- IWL_CMD(COEX_MEDIUM_NOTIFICATION);
- IWL_CMD(COEX_EVENT_CMD);
- IWL_CMD(REPLY_QUIET_CMD);
- IWL_CMD(REPLY_CHANNEL_SWITCH);
- IWL_CMD(CHANNEL_SWITCH_NOTIFICATION);
- IWL_CMD(REPLY_SPECTRUM_MEASUREMENT_CMD);
- IWL_CMD(SPECTRUM_MEASURE_NOTIFICATION);
- IWL_CMD(POWER_TABLE_CMD);
- IWL_CMD(PM_SLEEP_NOTIFICATION);
- IWL_CMD(PM_DEBUG_STATISTIC_NOTIFIC);
- IWL_CMD(REPLY_SCAN_CMD);
- IWL_CMD(REPLY_SCAN_ABORT_CMD);
- IWL_CMD(SCAN_START_NOTIFICATION);
- IWL_CMD(SCAN_RESULTS_NOTIFICATION);
- IWL_CMD(SCAN_COMPLETE_NOTIFICATION);
- IWL_CMD(BEACON_NOTIFICATION);
- IWL_CMD(REPLY_TX_BEACON);
- IWL_CMD(WHO_IS_AWAKE_NOTIFICATION);
- IWL_CMD(QUIET_NOTIFICATION);
- IWL_CMD(REPLY_TX_PWR_TABLE_CMD);
- IWL_CMD(MEASURE_ABORT_NOTIFICATION);
- IWL_CMD(REPLY_BT_CONFIG);
- IWL_CMD(REPLY_STATISTICS_CMD);
- IWL_CMD(STATISTICS_NOTIFICATION);
- IWL_CMD(REPLY_CARD_STATE_CMD);
- IWL_CMD(CARD_STATE_NOTIFICATION);
- IWL_CMD(MISSED_BEACONS_NOTIFICATION);
- IWL_CMD(REPLY_CT_KILL_CONFIG_CMD);
- IWL_CMD(SENSITIVITY_CMD);
- IWL_CMD(REPLY_PHY_CALIBRATION_CMD);
- IWL_CMD(REPLY_RX_PHY_CMD);
- IWL_CMD(REPLY_RX_MPDU_CMD);
- IWL_CMD(REPLY_RX);
- IWL_CMD(REPLY_COMPRESSED_BA);
- IWL_CMD(CALIBRATION_CFG_CMD);
- IWL_CMD(CALIBRATION_RES_NOTIFICATION);
- IWL_CMD(CALIBRATION_COMPLETE_NOTIFICATION);
- IWL_CMD(REPLY_TX_POWER_DBM_CMD);
- IWL_CMD(TEMPERATURE_NOTIFICATION);
- IWL_CMD(TX_ANT_CONFIGURATION_CMD);
- IWL_CMD(REPLY_BT_COEX_PROFILE_NOTIF);
- IWL_CMD(REPLY_BT_COEX_PRIO_TABLE);
- IWL_CMD(REPLY_BT_COEX_PROT_ENV);
- IWL_CMD(REPLY_WIPAN_PARAMS);
- IWL_CMD(REPLY_WIPAN_RXON);
- IWL_CMD(REPLY_WIPAN_RXON_TIMING);
- IWL_CMD(REPLY_WIPAN_RXON_ASSOC);
- IWL_CMD(REPLY_WIPAN_QOS_PARAM);
- IWL_CMD(REPLY_WIPAN_WEPKEY);
- IWL_CMD(REPLY_WIPAN_P2P_CHANNEL_SWITCH);
- IWL_CMD(REPLY_WIPAN_NOA_NOTIFICATION);
- IWL_CMD(REPLY_WIPAN_DEACTIVATION_COMPLETE);
- IWL_CMD(REPLY_WOWLAN_PATTERNS);
- IWL_CMD(REPLY_WOWLAN_WAKEUP_FILTER);
- IWL_CMD(REPLY_WOWLAN_TSC_RSC_PARAMS);
- IWL_CMD(REPLY_WOWLAN_TKIP_PARAMS);
- IWL_CMD(REPLY_WOWLAN_KEK_KCK_MATERIAL);
- IWL_CMD(REPLY_WOWLAN_GET_STATUS);
- default:
- return "UNKNOWN";
-
- }
-}
-
#define HOST_COMPLETE_TIMEOUT (2 * HZ)
static void iwl_generic_cmd_callback(struct iwl_shared *shrd,
@@ -65,14 +65,15 @@
#include <linux/bitops.h>
#include <linux/gfp.h>
-#include "iwl-dev.h"
#include "iwl-trans.h"
-#include "iwl-core.h"
-#include "iwl-helpers.h"
#include "iwl-trans-int-pcie.h"
-/*TODO remove uneeded includes when the transport layer tx_free will be here */
-#include "iwl-agn.h"
+#include "iwl-csr.h"
+#include "iwl-prph.h"
#include "iwl-shared.h"
+#include "iwl-eeprom.h"
+
+/* TODO: the transport layer should not include this */
+#include "iwl-core.h"
static int iwl_trans_rx_alloc(struct iwl_trans *trans)
{
@@ -73,10 +73,70 @@
* layer */
struct iwl_priv;
-struct iwl_rxon_context;
-struct iwl_host_cmd;
struct iwl_shared;
-struct iwl_device_cmd;
+
+#define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
+#define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
+#define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
+
+enum {
+ CMD_SYNC = 0,
+ CMD_ASYNC = BIT(0),
+ CMD_WANT_SKB = BIT(1),
+ CMD_ON_DEMAND = BIT(2),
+};
+
+#define DEF_CMD_PAYLOAD_SIZE 320
+
+/**
+ * struct iwl_device_cmd
+ *
+ * For allocation of the command and tx queues, this establishes the overall
+ * size of the largest command we send to uCode, except for commands that
+ * aren't fully copied and use other TFD space.
+ */
+struct iwl_device_cmd {
+ struct iwl_cmd_header hdr; /* uCode API */
+ union {
+ u32 flags;
+ u8 val8;
+ u16 val16;
+ u32 val32;
+ struct iwl_tx_cmd tx;
+ struct iwl6000_channel_switch_cmd chswitch;
+ u8 payload[DEF_CMD_PAYLOAD_SIZE];
+ } __packed cmd;
+} __packed;
+
+#define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_device_cmd))
+
+#define IWL_MAX_CMD_TFDS 2
+
+enum iwl_hcmd_dataflag {
+ IWL_HCMD_DFL_NOCOPY = BIT(0),
+};
+
+/**
+ * struct iwl_host_cmd - Host command to the uCode
+ * @data: array of chunks that composes the data of the host command
+ * @reply_page: pointer to the page that holds the response to the host command
+ * @callback:
+ * @flags: can be CMD_* note CMD_WANT_SKB is incompatible withe CMD_ASYNC
+ * @len: array of the lenths of the chunks in data
+ * @dataflags:
+ * @id: id of the host command
+ */
+struct iwl_host_cmd {
+ const void *data[IWL_MAX_CMD_TFDS];
+ unsigned long reply_page;
+ void (*callback)(struct iwl_shared *shrd,
+ struct iwl_device_cmd *cmd,
+ struct iwl_rx_packet *pkt);
+ u32 flags;
+ u16 len[IWL_MAX_CMD_TFDS];
+ u8 dataflags[IWL_MAX_CMD_TFDS];
+ u8 id;
+};
/**
* struct iwl_trans_ops - transport specific operations