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-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn-lib.c2
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn-rx.c50
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn-sta.c8
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn-tx.c4
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-commands.h84
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-notif-wait.h3
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-scan.c21
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-trans.h56
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-ucode.c4
9 files changed, 103 insertions, 129 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
index dec2693c8cba..b2ee1f9373c0 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
@@ -710,7 +710,7 @@ int iwlagn_bt_coex_profile_notif(struct iwl_priv *priv,
struct iwl_device_cmd *cmd)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
- struct iwl_bt_coex_profile_notif *coex = &pkt->u.bt_coex_profile_notif;
+ struct iwl_bt_coex_profile_notif *coex = (void *)pkt->data;
struct iwl_bt_uart_msg *uart_msg = &coex->last_bt_uart_msg;
if (priv->bt_enable_flag == IWLAGN_BT_FLAG_COEX_MODE_DISABLED) {
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rx.c b/drivers/net/wireless/iwlwifi/iwl-agn-rx.c
index 08de306c4c22..521c820ea10a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rx.c
@@ -135,14 +135,15 @@ static int iwlagn_rx_reply_error(struct iwl_priv *priv,
struct iwl_device_cmd *cmd)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
+ struct iwl_error_resp *err_resp = (void *)pkt->data;
IWL_ERR(priv, "Error Reply type 0x%08X cmd %s (0x%02X) "
"seq 0x%04X ser 0x%08X\n",
- le32_to_cpu(pkt->u.err_resp.error_type),
- get_cmd_string(pkt->u.err_resp.cmd_id),
- pkt->u.err_resp.cmd_id,
- le16_to_cpu(pkt->u.err_resp.bad_cmd_seq_num),
- le32_to_cpu(pkt->u.err_resp.error_info));
+ le32_to_cpu(err_resp->error_type),
+ get_cmd_string(err_resp->cmd_id),
+ err_resp->cmd_id,
+ le16_to_cpu(err_resp->bad_cmd_seq_num),
+ le32_to_cpu(err_resp->error_info));
return 0;
}
@@ -150,7 +151,7 @@ static int iwlagn_rx_csa(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
- struct iwl_csa_notification *csa = &(pkt->u.csa_notif);
+ struct iwl_csa_notification *csa = (void *)pkt->data;
/*
* MULTI-FIXME
* See iwlagn_mac_channel_switch.
@@ -181,7 +182,7 @@ static int iwlagn_rx_spectrum_measure_notif(struct iwl_priv *priv,
struct iwl_device_cmd *cmd)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
- struct iwl_spectrum_notification *report = &(pkt->u.spectrum_notif);
+ struct iwl_spectrum_notification *report = (void *)pkt->data;
if (!report->state) {
IWL_DEBUG_11H(priv,
@@ -200,7 +201,7 @@ static int iwlagn_rx_pm_sleep_notif(struct iwl_priv *priv,
{
#ifdef CONFIG_IWLWIFI_DEBUG
struct iwl_rx_packet *pkt = rxb_addr(rxb);
- struct iwl_sleep_notification *sleep = &(pkt->u.sleep_notif);
+ struct iwl_sleep_notification *sleep = (void *)pkt->data;
IWL_DEBUG_RX(priv, "sleep mode: %d, src: %d\n",
sleep->pm_sleep_mode, sleep->pm_wakeup_src);
#endif
@@ -217,7 +218,7 @@ static int iwlagn_rx_pm_debug_statistics_notif(struct iwl_priv *priv,
IWL_DEBUG_RADIO(priv, "Dumping %d bytes of unhandled "
"notification for %s:\n", len,
get_cmd_string(pkt->hdr.cmd));
- iwl_print_hex_dump(priv, IWL_DL_RADIO, pkt->u.raw, len);
+ iwl_print_hex_dump(priv, IWL_DL_RADIO, pkt->data, len);
return 0;
}
@@ -226,7 +227,7 @@ static int iwlagn_rx_beacon_notif(struct iwl_priv *priv,
struct iwl_device_cmd *cmd)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
- struct iwlagn_beacon_notif *beacon = (void *)pkt->u.raw;
+ struct iwlagn_beacon_notif *beacon = (void *)pkt->data;
#ifdef CONFIG_IWLWIFI_DEBUG
u16 status = le16_to_cpu(beacon->beacon_notify_hdr.status.status);
u8 rate = iwl_hw_get_rate(beacon->beacon_notify_hdr.rate_n_flags);
@@ -515,7 +516,7 @@ static int iwlagn_rx_statistics(struct iwl_priv *priv,
if (len == sizeof(struct iwl_bt_notif_statistics)) {
struct iwl_bt_notif_statistics *stats;
- stats = &pkt->u.stats_bt;
+ stats = (void *)&pkt->data;
flag = &stats->flag;
common = &stats->general.common;
rx_non_phy = &stats->rx.general.common;
@@ -533,7 +534,7 @@ static int iwlagn_rx_statistics(struct iwl_priv *priv,
#endif
} else if (len == sizeof(struct iwl_notif_statistics)) {
struct iwl_notif_statistics *stats;
- stats = &pkt->u.stats;
+ stats = (void *)&pkt->data;
flag = &stats->flag;
common = &stats->general.common;
rx_non_phy = &stats->rx.general;
@@ -601,8 +602,9 @@ static int iwlagn_rx_reply_statistics(struct iwl_priv *priv,
struct iwl_device_cmd *cmd)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
+ struct iwl_notif_statistics *stats = (void *)pkt->data;
- if (le32_to_cpu(pkt->u.stats.flag) & UCODE_STATISTICS_CLEAR_MSK) {
+ if (le32_to_cpu(stats->flag) & UCODE_STATISTICS_CLEAR_MSK) {
#ifdef CONFIG_IWLWIFI_DEBUGFS
memset(&priv->accum_stats, 0,
sizeof(priv->accum_stats));
@@ -624,7 +626,8 @@ static int iwlagn_rx_card_state_notif(struct iwl_priv *priv,
struct iwl_device_cmd *cmd)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
- u32 flags = le32_to_cpu(pkt->u.card_state_notif.flags);
+ struct iwl_card_state_notif *card_state_notif = (void *)pkt->data;
+ u32 flags = le32_to_cpu(card_state_notif->flags);
unsigned long status = priv->shrd->status;
IWL_DEBUG_RF_KILL(priv, "Card state received: HW:%s SW:%s CT:%s\n",
@@ -678,9 +681,8 @@ static int iwlagn_rx_missed_beacon_notif(struct iwl_priv *priv,
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
- struct iwl_missed_beacon_notif *missed_beacon;
+ struct iwl_missed_beacon_notif *missed_beacon = (void *)pkt->data;
- missed_beacon = &pkt->u.missed_beacon;
if (le32_to_cpu(missed_beacon->consecutive_missed_beacons) >
priv->missed_beacon_threshold) {
IWL_DEBUG_CALIB(priv,
@@ -704,7 +706,7 @@ static int iwlagn_rx_reply_rx_phy(struct iwl_priv *priv,
struct iwl_rx_packet *pkt = rxb_addr(rxb);
priv->last_phy_res_valid = true;
- memcpy(&priv->last_phy_res, pkt->u.raw,
+ memcpy(&priv->last_phy_res, pkt->data,
sizeof(struct iwl_rx_phy_res));
return 0;
}
@@ -949,12 +951,12 @@ static int iwlagn_rx_reply_rx(struct iwl_priv *priv,
* received.
*/
if (pkt->hdr.cmd == REPLY_RX) {
- phy_res = (struct iwl_rx_phy_res *)pkt->u.raw;
- header = (struct ieee80211_hdr *)(pkt->u.raw + sizeof(*phy_res)
+ phy_res = (struct iwl_rx_phy_res *)pkt->data;
+ header = (struct ieee80211_hdr *)(pkt->data + sizeof(*phy_res)
+ phy_res->cfg_phy_cnt);
len = le16_to_cpu(phy_res->byte_count);
- rx_pkt_status = *(__le32 *)(pkt->u.raw + sizeof(*phy_res) +
+ rx_pkt_status = *(__le32 *)(pkt->data + sizeof(*phy_res) +
phy_res->cfg_phy_cnt + len);
ampdu_status = le32_to_cpu(rx_pkt_status);
} else {
@@ -963,10 +965,10 @@ static int iwlagn_rx_reply_rx(struct iwl_priv *priv,
return 0;
}
phy_res = &priv->last_phy_res;
- amsdu = (struct iwl_rx_mpdu_res_start *)pkt->u.raw;
- header = (struct ieee80211_hdr *)(pkt->u.raw + sizeof(*amsdu));
+ amsdu = (struct iwl_rx_mpdu_res_start *)pkt->data;
+ header = (struct ieee80211_hdr *)(pkt->data + sizeof(*amsdu));
len = le16_to_cpu(amsdu->byte_count);
- rx_pkt_status = *(__le32 *)(pkt->u.raw + sizeof(*amsdu) + len);
+ rx_pkt_status = *(__le32 *)(pkt->data + sizeof(*amsdu) + len);
ampdu_status = iwlagn_translate_rx_status(priv,
le32_to_cpu(rx_pkt_status));
}
@@ -1051,7 +1053,7 @@ static int iwlagn_rx_noa_notification(struct iwl_priv *priv,
{
struct iwl_wipan_noa_data *new_data, *old_data;
struct iwl_rx_packet *pkt = rxb_addr(rxb);
- struct iwl_wipan_noa_notification *noa_notif = (void *)pkt->u.raw;
+ struct iwl_wipan_noa_notification *noa_notif = (void *)pkt->data;
/* no condition -- we're in softirq */
old_data = rcu_dereference_protected(priv->noa_data, true);
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-sta.c b/drivers/net/wireless/iwlwifi/iwl-agn-sta.c
index 14fbdecccd26..cb6c2300cf44 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-sta.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-sta.c
@@ -64,6 +64,7 @@ static int iwl_process_add_sta_resp(struct iwl_priv *priv,
struct iwl_addsta_cmd *addsta,
struct iwl_rx_packet *pkt)
{
+ struct iwl_add_sta_resp *add_sta_resp = (void *)pkt->data;
u8 sta_id = addsta->sta.sta_id;
int ret = -EIO;
@@ -78,7 +79,7 @@ static int iwl_process_add_sta_resp(struct iwl_priv *priv,
spin_lock(&priv->sta_lock);
- switch (pkt->u.add_sta.status) {
+ switch (add_sta_resp->status) {
case ADD_STA_SUCCESS_MSK:
IWL_DEBUG_INFO(priv, "REPLY_ADD_STA PASSED\n");
ret = iwl_sta_ucode_activate(priv, sta_id);
@@ -97,7 +98,7 @@ static int iwl_process_add_sta_resp(struct iwl_priv *priv,
break;
default:
IWL_DEBUG_ASSOC(priv, "Received REPLY_ADD_STA:(0x%08X)\n",
- pkt->u.add_sta.status);
+ add_sta_resp->status);
break;
}
@@ -460,7 +461,8 @@ static int iwl_send_remove_station(struct iwl_priv *priv,
}
if (!ret) {
- switch (pkt->u.rem_sta.status) {
+ struct iwl_rem_sta_resp *rem_sta_resp = (void *)pkt->data;
+ switch (rem_sta_resp->status) {
case REM_STA_SUCCESS_MSK:
if (!temporary) {
spin_lock_bh(&priv->sta_lock);
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
index 151400cf51e0..0ef59d9a99ee 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
@@ -983,7 +983,7 @@ int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb,
u16 sequence = le16_to_cpu(pkt->hdr.sequence);
int txq_id = SEQ_TO_QUEUE(sequence);
int cmd_index __maybe_unused = SEQ_TO_INDEX(sequence);
- struct iwlagn_tx_resp *tx_resp = (void *)&pkt->u.raw[0];
+ struct iwlagn_tx_resp *tx_resp = (void *)pkt->data;
struct ieee80211_hdr *hdr;
u32 status = le16_to_cpu(tx_resp->status.status);
u16 ssn = iwlagn_get_scd_ssn(tx_resp);
@@ -1111,7 +1111,7 @@ int iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv,
struct iwl_device_cmd *cmd)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
- struct iwl_compressed_ba_resp *ba_resp = &pkt->u.compressed_ba;
+ struct iwl_compressed_ba_resp *ba_resp = (void *)pkt->data;
struct iwl_ht_agg *agg;
struct sk_buff_head reclaimed_skbs;
struct ieee80211_tx_info *info;
diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h
index aa8993065cdf..70ba962732f7 100644
--- a/drivers/net/wireless/iwlwifi/iwl-commands.h
+++ b/drivers/net/wireless/iwlwifi/iwl-commands.h
@@ -206,48 +206,6 @@ enum {
/* iwl_cmd_header flags value */
#define IWL_CMD_FAILED_MSK 0x40
-#define SEQ_TO_QUEUE(s) (((s) >> 8) & 0x1f)
-#define QUEUE_TO_SEQ(q) (((q) & 0x1f) << 8)
-#define SEQ_TO_INDEX(s) ((s) & 0xff)
-#define INDEX_TO_SEQ(i) ((i) & 0xff)
-#define SEQ_RX_FRAME cpu_to_le16(0x8000)
-
-/**
- * struct iwl_cmd_header
- *
- * This header format appears in the beginning of each command sent from the
- * driver, and each response/notification received from uCode.
- */
-struct iwl_cmd_header {
- u8 cmd; /* Command ID: REPLY_RXON, etc. */
- u8 flags; /* 0:5 reserved, 6 abort, 7 internal */
- /*
- * The driver sets up the sequence number to values of its choosing.
- * uCode does not use this value, but passes it back to the driver
- * when sending the response to each driver-originated command, so
- * the driver can match the response to the command. Since the values
- * don't get used by uCode, the driver may set up an arbitrary format.
- *
- * There is one exception: uCode sets bit 15 when it originates
- * the response/notification, i.e. when the response/notification
- * is not a direct response to a command sent by the driver. For
- * example, uCode issues REPLY_RX when it sends a received frame
- * to the driver; it is not a direct response to any driver command.
- *
- * The Linux driver uses the following format:
- *
- * 0:7 tfd index - position within TX queue
- * 8:12 TX queue id
- * 13:14 reserved
- * 15 unsolicited RX or uCode-originated notification
- */
- __le16 sequence;
-
- /* command or response/notification data follows immediately */
- u8 data[0];
-} __packed;
-
-
/**
* iwlagn rate_n_flags bit fields
*
@@ -3893,48 +3851,6 @@ struct iwlagn_wowlan_kek_kck_material_cmd {
__le64 replay_ctr;
} __packed;
-/******************************************************************************
- * (13)
- * Union of all expected notifications/responses:
- *
- *****************************************************************************/
-#define FH_RSCSR_FRAME_SIZE_MSK (0x00003FFF) /* bits 0-13 */
-
-struct iwl_rx_packet {
- /*
- * The first 4 bytes of the RX frame header contain both the RX frame
- * size and some flags.
- * Bit fields:
- * 31: flag flush RB request
- * 30: flag ignore TC (terminal counter) request
- * 29: flag fast IRQ request
- * 28-14: Reserved
- * 13-00: RX frame size
- */
- __le32 len_n_flags;
- struct iwl_cmd_header hdr;
- union {
- struct iwl_alive_resp alive_frame;
- struct iwl_spectrum_notification spectrum_notif;
- struct iwl_csa_notification csa_notif;
- struct iwl_error_resp err_resp;
- struct iwl_card_state_notif card_state_notif;
- struct iwl_add_sta_resp add_sta;
- struct iwl_rem_sta_resp rem_sta;
- struct iwl_sleep_notification sleep_notif;
- struct iwl_spectrum_resp spectrum;
- struct iwl_notif_statistics stats;
- struct iwl_bt_notif_statistics stats_bt;
- struct iwl_compressed_ba_resp compressed_ba;
- struct iwl_missed_beacon_notif missed_beacon;
- struct iwl_coex_medium_notification coex_medium_notif;
- struct iwl_coex_event_resp coex_event;
- struct iwl_bt_coex_profile_notif bt_coex_profile_notif;
- __le32 status;
- u8 raw[0];
- } u;
-} __packed;
-
int iwl_agn_check_rxon_cmd(struct iwl_priv *priv);
/*
diff --git a/drivers/net/wireless/iwlwifi/iwl-notif-wait.h b/drivers/net/wireless/iwlwifi/iwl-notif-wait.h
index 419f1ad65441..5e8af957aa7b 100644
--- a/drivers/net/wireless/iwlwifi/iwl-notif-wait.h
+++ b/drivers/net/wireless/iwlwifi/iwl-notif-wait.h
@@ -64,8 +64,7 @@
#include <linux/wait.h>
-/* TODO: remove later */
-#include "iwl-commands.h"
+#include "iwl-trans.h"
struct iwl_notif_wait_data {
struct list_head notif_waits;
diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c
index 6cf2cb318882..91a14577b8a8 100644
--- a/drivers/net/wireless/iwlwifi/iwl-scan.c
+++ b/drivers/net/wireless/iwlwifi/iwl-scan.c
@@ -57,11 +57,11 @@
static int iwl_send_scan_abort(struct iwl_priv *priv)
{
int ret;
- struct iwl_rx_packet *pkt;
struct iwl_host_cmd cmd = {
.id = REPLY_SCAN_ABORT_CMD,
.flags = CMD_SYNC | CMD_WANT_SKB,
};
+ __le32 *status;
/* Exit instantly with error when device is not ready
* to receive scan abort command or it does not perform
@@ -76,15 +76,16 @@ static int iwl_send_scan_abort(struct iwl_priv *priv)
if (ret)
return ret;
- pkt = cmd.resp_pkt;
- if (pkt->u.status != CAN_ABORT_STATUS) {
+ status = (void *)cmd.resp_pkt->data;
+ if (*status != CAN_ABORT_STATUS) {
/* The scan abort will return 1 for success or
* 2 for "failure". A failure condition can be
* due to simply not being in an active scan which
* can occur if we send the scan abort before we
* the microcode has notified us that a scan is
* completed. */
- IWL_DEBUG_SCAN(priv, "SCAN_ABORT ret %d.\n", pkt->u.status);
+ IWL_DEBUG_SCAN(priv, "SCAN_ABORT ret %d.\n",
+ le32_to_cpu(*status));
ret = -EIO;
}
@@ -265,8 +266,7 @@ static int iwl_rx_reply_scan(struct iwl_priv *priv,
{
#ifdef CONFIG_IWLWIFI_DEBUG
struct iwl_rx_packet *pkt = rxb_addr(rxb);
- struct iwl_scanreq_notification *notif =
- (struct iwl_scanreq_notification *)pkt->u.raw;
+ struct iwl_scanreq_notification *notif = (void *)pkt->data;
IWL_DEBUG_SCAN(priv, "Scan request status = 0x%x\n", notif->status);
#endif
@@ -279,8 +279,8 @@ static int iwl_rx_scan_start_notif(struct iwl_priv *priv,
struct iwl_device_cmd *cmd)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
- struct iwl_scanstart_notification *notif =
- (struct iwl_scanstart_notification *)pkt->u.raw;
+ struct iwl_scanstart_notification *notif = (void *)pkt->data;
+
priv->scan_start_tsf = le32_to_cpu(notif->tsf_low);
IWL_DEBUG_SCAN(priv, "Scan start: "
"%d [802.11%s] "
@@ -307,8 +307,7 @@ static int iwl_rx_scan_results_notif(struct iwl_priv *priv,
{
#ifdef CONFIG_IWLWIFI_DEBUG
struct iwl_rx_packet *pkt = rxb_addr(rxb);
- struct iwl_scanresults_notification *notif =
- (struct iwl_scanresults_notification *)pkt->u.raw;
+ struct iwl_scanresults_notification *notif = (void *)pkt->data;
IWL_DEBUG_SCAN(priv, "Scan ch.res: "
"%d [802.11%s] "
@@ -332,7 +331,7 @@ static int iwl_rx_scan_complete_notif(struct iwl_priv *priv,
struct iwl_device_cmd *cmd)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
- struct iwl_scancomplete_notification *scan_notif = (void *)pkt->u.raw;
+ struct iwl_scancomplete_notification *scan_notif = (void *)pkt->data;
IWL_DEBUG_SCAN(priv, "Scan complete: %d channels (TSF 0x%08X:%08X) - %d\n",
scan_notif->scanned_channels,
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans.h b/drivers/net/wireless/iwlwifi/iwl-trans.h
index a4a9efce7a7c..15bb208ab347 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans.h
+++ b/drivers/net/wireless/iwlwifi/iwl-trans.h
@@ -122,6 +122,62 @@ struct dentry;
#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)
+#define SEQ_TO_QUEUE(s) (((s) >> 8) & 0x1f)
+#define QUEUE_TO_SEQ(q) (((q) & 0x1f) << 8)
+#define SEQ_TO_INDEX(s) ((s) & 0xff)
+#define INDEX_TO_SEQ(i) ((i) & 0xff)
+#define SEQ_RX_FRAME cpu_to_le16(0x8000)
+
+/**
+ * struct iwl_cmd_header
+ *
+ * This header format appears in the beginning of each command sent from the
+ * driver, and each response/notification received from uCode.
+ */
+struct iwl_cmd_header {
+ u8 cmd; /* Command ID: REPLY_RXON, etc. */
+ u8 flags; /* 0:5 reserved, 6 abort, 7 internal */
+ /*
+ * The driver sets up the sequence number to values of its choosing.
+ * uCode does not use this value, but passes it back to the driver
+ * when sending the response to each driver-originated command, so
+ * the driver can match the response to the command. Since the values
+ * don't get used by uCode, the driver may set up an arbitrary format.
+ *
+ * There is one exception: uCode sets bit 15 when it originates
+ * the response/notification, i.e. when the response/notification
+ * is not a direct response to a command sent by the driver. For
+ * example, uCode issues REPLY_RX when it sends a received frame
+ * to the driver; it is not a direct response to any driver command.
+ *
+ * The Linux driver uses the following format:
+ *
+ * 0:7 tfd index - position within TX queue
+ * 8:12 TX queue id
+ * 13:14 reserved
+ * 15 unsolicited RX or uCode-originated notification
+ */
+ __le16 sequence;
+} __packed;
+
+
+#define FH_RSCSR_FRAME_SIZE_MSK 0x00003FFF /* bits 0-13 */
+
+struct iwl_rx_packet {
+ /*
+ * The first 4 bytes of the RX frame header contain both the RX frame
+ * size and some flags.
+ * Bit fields:
+ * 31: flag flush RB request
+ * 30: flag ignore TC (terminal counter) request
+ * 29: flag fast IRQ request
+ * 28-14: Reserved
+ * 13-00: RX frame size
+ */
+ __le32 len_n_flags;
+ struct iwl_cmd_header hdr;
+ u8 data[];
+} __packed;
/**
* enum CMD_MODE - how to send the host commands ?
diff --git a/drivers/net/wireless/iwlwifi/iwl-ucode.c b/drivers/net/wireless/iwlwifi/iwl-ucode.c
index 4d34327f9425..8267dbe869d5 100644
--- a/drivers/net/wireless/iwlwifi/iwl-ucode.c
+++ b/drivers/net/wireless/iwlwifi/iwl-ucode.c
@@ -186,7 +186,7 @@ int iwlagn_rx_calib_result(struct iwl_priv *priv,
struct iwl_device_cmd *cmd)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
- struct iwl_calib_hdr *hdr = (struct iwl_calib_hdr *)pkt->u.raw;
+ struct iwl_calib_hdr *hdr = (struct iwl_calib_hdr *)pkt->data;
int len = le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK;
/* reduce the size of the length field itself */
@@ -442,7 +442,7 @@ static void iwl_alive_fn(struct iwl_notif_wait_data *notif_wait,
struct iwl_alive_data *alive_data = data;
struct iwl_alive_resp *palive;
- palive = &pkt->u.alive_frame;
+ palive = (void *)pkt->data;
IWL_DEBUG_FW(priv, "Alive ucode status 0x%08X revision "
"0x%01X 0x%01X\n",
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