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Merge branch 'wireless-next-2.6' of git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-2.6

wifi-calibration
John W. Linville 2011-05-10 15:49:11 -04:00
parent e4eefec73e 2c46f72e06
commit d21844c7c2
16 changed files with 746 additions and 217 deletions
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10
drivers/net/wireless/iwlwifi/Kconfig
View File

@ -102,6 +102,16 @@ config IWLWIFI_DEVICE_TRACING
occur.
endmenu
config IWLWIFI_DEVICE_SVTOOL
bool "iwlwifi device svtool support"
depends on IWLAGN
select NL80211_TESTMODE
help
This option enables the svtool support for iwlwifi device through
NL80211_TESTMODE. svtool is a software validation tool that runs in
the user space and interacts with the device in the kernel space
through the generic netlink message via NL80211_TESTMODE channel.
config IWL_P2P
bool "iwlwifi experimental P2P support"
depends on IWLAGN

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

@ -16,6 +16,7 @@ iwlagn-objs += iwl-2000.o
iwlagn-$(CONFIG_IWLWIFI_DEBUGFS) += iwl-debugfs.o
iwlagn-$(CONFIG_IWLWIFI_DEVICE_TRACING) += iwl-devtrace.o
iwlagn-$(CONFIG_IWLWIFI_DEVICE_SVTOOL) += iwl-sv-open.o
CFLAGS_iwl-devtrace.o := -I$(src)

2
drivers/net/wireless/iwlwifi/iwl-1000.c
View File

@ -171,8 +171,6 @@ static int iwl1000_hw_set_hw_params(struct iwl_priv *priv)
static struct iwl_lib_ops iwl1000_lib = {
.set_hw_params = iwl1000_hw_set_hw_params,
.txq_update_byte_cnt_tbl = iwlagn_txq_update_byte_cnt_tbl,
.txq_inval_byte_cnt_tbl = iwlagn_txq_inval_byte_cnt_tbl,
.txq_set_sched = iwlagn_txq_set_sched,
.txq_attach_buf_to_tfd = iwl_hw_txq_attach_buf_to_tfd,
.txq_free_tfd = iwl_hw_txq_free_tfd,

2
drivers/net/wireless/iwlwifi/iwl-2000.c
View File

@ -252,8 +252,6 @@ static int iwl2030_hw_channel_switch(struct iwl_priv *priv,
static struct iwl_lib_ops iwl2000_lib = {
.set_hw_params = iwl2000_hw_set_hw_params,
.txq_update_byte_cnt_tbl = iwlagn_txq_update_byte_cnt_tbl,
.txq_inval_byte_cnt_tbl = iwlagn_txq_inval_byte_cnt_tbl,
.txq_set_sched = iwlagn_txq_set_sched,
.txq_attach_buf_to_tfd = iwl_hw_txq_attach_buf_to_tfd,
.txq_free_tfd = iwl_hw_txq_free_tfd,

4
drivers/net/wireless/iwlwifi/iwl-5000.c
View File

@ -339,8 +339,6 @@ static int iwl5000_hw_channel_switch(struct iwl_priv *priv,
static struct iwl_lib_ops iwl5000_lib = {
.set_hw_params = iwl5000_hw_set_hw_params,
.txq_update_byte_cnt_tbl = iwlagn_txq_update_byte_cnt_tbl,
.txq_inval_byte_cnt_tbl = iwlagn_txq_inval_byte_cnt_tbl,
.txq_set_sched = iwlagn_txq_set_sched,
.txq_attach_buf_to_tfd = iwl_hw_txq_attach_buf_to_tfd,
.txq_free_tfd = iwl_hw_txq_free_tfd,
@ -376,8 +374,6 @@ static struct iwl_lib_ops iwl5000_lib = {
static struct iwl_lib_ops iwl5150_lib = {
.set_hw_params = iwl5150_hw_set_hw_params,
.txq_update_byte_cnt_tbl = iwlagn_txq_update_byte_cnt_tbl,
.txq_inval_byte_cnt_tbl = iwlagn_txq_inval_byte_cnt_tbl,
.txq_set_sched = iwlagn_txq_set_sched,
.txq_attach_buf_to_tfd = iwl_hw_txq_attach_buf_to_tfd,
.txq_free_tfd = iwl_hw_txq_free_tfd,

4
drivers/net/wireless/iwlwifi/iwl-6000.c
View File

@ -278,8 +278,6 @@ static int iwl6000_hw_channel_switch(struct iwl_priv *priv,
static struct iwl_lib_ops iwl6000_lib = {
.set_hw_params = iwl6000_hw_set_hw_params,
.txq_update_byte_cnt_tbl = iwlagn_txq_update_byte_cnt_tbl,
.txq_inval_byte_cnt_tbl = iwlagn_txq_inval_byte_cnt_tbl,
.txq_set_sched = iwlagn_txq_set_sched,
.txq_attach_buf_to_tfd = iwl_hw_txq_attach_buf_to_tfd,
.txq_free_tfd = iwl_hw_txq_free_tfd,
@ -316,8 +314,6 @@ static struct iwl_lib_ops iwl6000_lib = {
static struct iwl_lib_ops iwl6030_lib = {
.set_hw_params = iwl6000_hw_set_hw_params,
.txq_update_byte_cnt_tbl = iwlagn_txq_update_byte_cnt_tbl,
.txq_inval_byte_cnt_tbl = iwlagn_txq_inval_byte_cnt_tbl,
.txq_set_sched = iwlagn_txq_set_sched,
.txq_attach_buf_to_tfd = iwl_hw_txq_attach_buf_to_tfd,
.txq_free_tfd = iwl_hw_txq_free_tfd,

7
drivers/net/wireless/iwlwifi/iwl-agn-hcmd.c
View File

@ -54,12 +54,6 @@ int iwlagn_send_tx_ant_config(struct iwl_priv *priv, u8 valid_tx_ant)
}
}
/* Currently this is the superset of everything */
static u16 iwlagn_get_hcmd_size(u8 cmd_id, u16 len)
{
return len;
}
static u16 iwlagn_build_addsta_hcmd(const struct iwl_addsta_cmd *cmd, u8 *data)
{
u16 size = (u16)sizeof(struct iwl_addsta_cmd);
@ -332,7 +326,6 @@ struct iwl_hcmd_ops iwlagn_bt_hcmd = {
};
struct iwl_hcmd_utils_ops iwlagn_hcmd_utils = {
.get_hcmd_size = iwlagn_get_hcmd_size,
.build_addsta_hcmd = iwlagn_build_addsta_hcmd,
.gain_computation = iwlagn_gain_computation,
.chain_noise_reset = iwlagn_chain_noise_reset,

103
drivers/net/wireless/iwlwifi/iwl-agn-tx.c
View File

@ -98,9 +98,9 @@ static inline int get_fifo_from_tid(struct iwl_rxon_context *ctx, u16 tid)
/**
* iwlagn_txq_update_byte_cnt_tbl - Set up entry in Tx byte-count array
*/
void iwlagn_txq_update_byte_cnt_tbl(struct iwl_priv *priv,
struct iwl_tx_queue *txq,
u16 byte_cnt)
static void iwlagn_txq_update_byte_cnt_tbl(struct iwl_priv *priv,
struct iwl_tx_queue *txq,
u16 byte_cnt)
{
struct iwlagn_scd_bc_tbl *scd_bc_tbl = priv->scd_bc_tbls.addr;
int write_ptr = txq->q.write_ptr;
@ -112,21 +112,19 @@ void iwlagn_txq_update_byte_cnt_tbl(struct iwl_priv *priv,
WARN_ON(len > 0xFFF || write_ptr >= TFD_QUEUE_SIZE_MAX);
if (txq_id != priv->cmd_queue) {
sta_id = txq->cmd[txq->q.write_ptr]->cmd.tx.sta_id;
sec_ctl = txq->cmd[txq->q.write_ptr]->cmd.tx.sec_ctl;
sta_id = txq->cmd[txq->q.write_ptr]->cmd.tx.sta_id;
sec_ctl = txq->cmd[txq->q.write_ptr]->cmd.tx.sec_ctl;
switch (sec_ctl & TX_CMD_SEC_MSK) {
case TX_CMD_SEC_CCM:
len += CCMP_MIC_LEN;
break;
case TX_CMD_SEC_TKIP:
len += TKIP_ICV_LEN;
break;
case TX_CMD_SEC_WEP:
len += WEP_IV_LEN + WEP_ICV_LEN;
break;
}
switch (sec_ctl & TX_CMD_SEC_MSK) {
case TX_CMD_SEC_CCM:
len += CCMP_MIC_LEN;
break;
case TX_CMD_SEC_TKIP:
len += TKIP_ICV_LEN;
break;
case TX_CMD_SEC_WEP:
len += WEP_IV_LEN + WEP_ICV_LEN;
break;
}
bc_ent = cpu_to_le16((len & 0xFFF) | (sta_id << 12));
@ -138,8 +136,8 @@ void iwlagn_txq_update_byte_cnt_tbl(struct iwl_priv *priv,
tfd_offset[TFD_QUEUE_SIZE_MAX + write_ptr] = bc_ent;
}
void iwlagn_txq_inval_byte_cnt_tbl(struct iwl_priv *priv,
struct iwl_tx_queue *txq)
static void iwlagn_txq_inval_byte_cnt_tbl(struct iwl_priv *priv,
struct iwl_tx_queue *txq)
{
struct iwlagn_scd_bc_tbl *scd_bc_tbl = priv->scd_bc_tbls.addr;
int txq_id = txq->q.id;
@ -539,7 +537,7 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
struct iwl_tx_cmd *tx_cmd;
struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
int txq_id;
dma_addr_t phys_addr;
dma_addr_t phys_addr = 0;
dma_addr_t txcmd_phys;
dma_addr_t scratch_phys;
u16 len, firstlen, secondlen;
@ -566,7 +564,7 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
spin_lock_irqsave(&priv->lock, flags);
if (iwl_is_rfkill(priv)) {
IWL_DEBUG_DROP(priv, "Dropping - RF KILL\n");
goto drop_unlock;
goto drop_unlock_priv;
}
fc = hdr->frame_control;
@ -587,7 +585,7 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
if (sta_id == IWL_INVALID_STATION) {
IWL_DEBUG_DROP(priv, "Dropping - INVALID STATION: %pM\n",
hdr->addr1);
goto drop_unlock;
goto drop_unlock_priv;
}
IWL_DEBUG_TX(priv, "station Id %d\n", sta_id);
@ -630,10 +628,10 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
if (ieee80211_is_data_qos(fc)) {
qc = ieee80211_get_qos_ctl(hdr);
tid = qc[0] & IEEE80211_QOS_CTL_TID_MASK;
if (WARN_ON_ONCE(tid >= MAX_TID_COUNT)) {
spin_unlock(&priv->sta_lock);
goto drop_unlock;
}
if (WARN_ON_ONCE(tid >= MAX_TID_COUNT))
goto drop_unlock_sta;
seq_number = priv->stations[sta_id].tid[tid].seq_number;
seq_number &= IEEE80211_SCTL_SEQ;
hdr->seq_ctrl = hdr->seq_ctrl &
@ -651,18 +649,8 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
txq = &priv->txq[txq_id];
q = &txq->q;
if (unlikely(iwl_queue_space(q) < q->high_mark)) {
spin_unlock(&priv->sta_lock);
goto drop_unlock;
}
if (ieee80211_is_data_qos(fc)) {
priv->stations[sta_id].tid[tid].tfds_in_queue++;
if (!ieee80211_has_morefrags(fc))
priv->stations[sta_id].tid[tid].seq_number = seq_number;
}
spin_unlock(&priv->sta_lock);
if (unlikely(iwl_queue_space(q) < q->high_mark))
goto drop_unlock_sta;
/* Set up driver data for this TFD */
memset(&(txq->txb[q->write_ptr]), 0, sizeof(struct iwl_tx_info));
@ -726,12 +714,10 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
txcmd_phys = pci_map_single(priv->pci_dev,
&out_cmd->hdr, firstlen,
PCI_DMA_BIDIRECTIONAL);
if (unlikely(pci_dma_mapping_error(priv->pci_dev, txcmd_phys)))
goto drop_unlock_sta;
dma_unmap_addr_set(out_meta, mapping, txcmd_phys);
dma_unmap_len_set(out_meta, len, firstlen);
/* Add buffer containing Tx command and MAC(!) header to TFD's
* first entry */
priv->cfg->ops->lib->txq_attach_buf_to_tfd(priv, txq,
txcmd_phys, firstlen, 1, 0);
if (!ieee80211_has_morefrags(hdr->frame_control)) {
txq->need_update = 1;
@ -746,10 +732,30 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
if (secondlen > 0) {
phys_addr = pci_map_single(priv->pci_dev, skb->data + hdr_len,
secondlen, PCI_DMA_TODEVICE);
if (unlikely(pci_dma_mapping_error(priv->pci_dev, phys_addr))) {
pci_unmap_single(priv->pci_dev,
dma_unmap_addr(out_meta, mapping),
dma_unmap_len(out_meta, len),
PCI_DMA_BIDIRECTIONAL);
goto drop_unlock_sta;
}
}
if (ieee80211_is_data_qos(fc)) {
priv->stations[sta_id].tid[tid].tfds_in_queue++;
if (!ieee80211_has_morefrags(fc))
priv->stations[sta_id].tid[tid].seq_number = seq_number;
}
spin_unlock(&priv->sta_lock);
/* Attach buffers to TFD */
priv->cfg->ops->lib->txq_attach_buf_to_tfd(priv, txq,
txcmd_phys, firstlen, 1, 0);
if (secondlen > 0)
priv->cfg->ops->lib->txq_attach_buf_to_tfd(priv, txq,
phys_addr, secondlen,
0, 0);
}
scratch_phys = txcmd_phys + sizeof(struct iwl_cmd_header) +
offsetof(struct iwl_tx_cmd, scratch);
@ -768,8 +774,8 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
/* Set up entry for this TFD in Tx byte-count array */
if (info->flags & IEEE80211_TX_CTL_AMPDU)
priv->cfg->ops->lib->txq_update_byte_cnt_tbl(priv, txq,
le16_to_cpu(tx_cmd->len));
iwlagn_txq_update_byte_cnt_tbl(priv, txq,
le16_to_cpu(tx_cmd->len));
pci_dma_sync_single_for_device(priv->pci_dev, txcmd_phys,
firstlen, PCI_DMA_BIDIRECTIONAL);
@ -815,7 +821,9 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
return 0;
drop_unlock:
drop_unlock_sta:
spin_unlock(&priv->sta_lock);
drop_unlock_priv:
spin_unlock_irqrestore(&priv->lock, flags);
return -1;
}
@ -1248,8 +1256,7 @@ int iwlagn_tx_queue_reclaim(struct iwl_priv *priv, int txq_id, int index)
txq_id >= IWLAGN_FIRST_AMPDU_QUEUE);
tx_info->skb = NULL;
if (priv->cfg->ops->lib->txq_inval_byte_cnt_tbl)
priv->cfg->ops->lib->txq_inval_byte_cnt_tbl(priv, txq);
iwlagn_txq_inval_byte_cnt_tbl(priv, txq);
priv->cfg->ops->lib->txq_free_tfd(priv, txq);
}

2
drivers/net/wireless/iwlwifi/iwl-agn-ucode.c
View File

@ -269,7 +269,7 @@ void iwlagn_rx_calib_result(struct iwl_priv *priv,
iwl_calib_set(&priv->calib_results[index], pkt->u.raw, len);
}
static int iwlagn_init_alive_start(struct iwl_priv *priv)
int iwlagn_init_alive_start(struct iwl_priv *priv)
{
int ret;

143
drivers/net/wireless/iwlwifi/iwl-agn.c
View File

@ -102,70 +102,6 @@ void iwl_update_chain_flags(struct iwl_priv *priv)
}
}
static void iwl_clear_free_frames(struct iwl_priv *priv)
{
struct list_head *element;
IWL_DEBUG_INFO(priv, "%d frames on pre-allocated heap on clear.\n",
priv->frames_count);
while (!list_empty(&priv->free_frames)) {
element = priv->free_frames.next;
list_del(element);
kfree(list_entry(element, struct iwl_frame, list));
priv->frames_count--;
}
if (priv->frames_count) {
IWL_WARN(priv, "%d frames still in use. Did we lose one?\n",
priv->frames_count);
priv->frames_count = 0;
}
}
static struct iwl_frame *iwl_get_free_frame(struct iwl_priv *priv)
{
struct iwl_frame *frame;
struct list_head *element;
if (list_empty(&priv->free_frames)) {
frame = kzalloc(sizeof(*frame), GFP_KERNEL);
if (!frame) {
IWL_ERR(priv, "Could not allocate frame!\n");
return NULL;
}
priv->frames_count++;
return frame;
}
element = priv->free_frames.next;
list_del(element);
return list_entry(element, struct iwl_frame, list);
}
static void iwl_free_frame(struct iwl_priv *priv, struct iwl_frame *frame)
{
memset(frame, 0, sizeof(*frame));
list_add(&frame->list, &priv->free_frames);
}
static u32 iwl_fill_beacon_frame(struct iwl_priv *priv,
struct ieee80211_hdr *hdr,
int left)
{
lockdep_assert_held(&priv->mutex);
if (!priv->beacon_skb)
return 0;
if (priv->beacon_skb->len > left)
return 0;
memcpy(hdr, priv->beacon_skb->data, priv->beacon_skb->len);
return priv->beacon_skb->len;
}
/* Parse the beacon frame to find the TIM element and set tim_idx & tim_size */
static void iwl_set_beacon_tim(struct iwl_priv *priv,
struct iwl_tx_beacon_cmd *tx_beacon_cmd,
@ -193,13 +129,18 @@ static void iwl_set_beacon_tim(struct iwl_priv *priv,
IWL_WARN(priv, "Unable to find TIM Element in beacon\n");
}
static unsigned int iwl_hw_get_beacon_cmd(struct iwl_priv *priv,
struct iwl_frame *frame)
int iwlagn_send_beacon_cmd(struct iwl_priv *priv)
{
struct iwl_tx_beacon_cmd *tx_beacon_cmd;
struct iwl_host_cmd cmd = {
.id = REPLY_TX_BEACON,
.flags = CMD_SIZE_HUGE,
};
u32 frame_size;
u32 rate_flags;
u32 rate;
int err;
/*
* We have to set up the TX command, the TX Beacon command, and the
* beacon contents.
@ -212,17 +153,19 @@ static unsigned int iwl_hw_get_beacon_cmd(struct iwl_priv *priv,
return 0;
}
/* Initialize memory */
tx_beacon_cmd = &frame->u.beacon;
memset(tx_beacon_cmd, 0, sizeof(*tx_beacon_cmd));
if (WARN_ON(!priv->beacon_skb))
return -EINVAL;
/* Allocate beacon memory */
tx_beacon_cmd = kzalloc(sizeof(*tx_beacon_cmd) + priv->beacon_skb->len,
GFP_KERNEL);
if (!tx_beacon_cmd)
return -ENOMEM;
frame_size = priv->beacon_skb->len;
/* Set up TX beacon contents */
frame_size = iwl_fill_beacon_frame(priv, tx_beacon_cmd->frame,
sizeof(frame->u) - sizeof(*tx_beacon_cmd));
if (WARN_ON_ONCE(frame_size > MAX_MPDU_SIZE))
return 0;
if (!frame_size)
return 0;
memcpy(tx_beacon_cmd->frame, priv->beacon_skb->data, frame_size);
/* Set up TX command fields */
tx_beacon_cmd->tx.len = cpu_to_le16((u16)frame_size);
@ -245,41 +188,16 @@ static unsigned int iwl_hw_get_beacon_cmd(struct iwl_priv *priv,
tx_beacon_cmd->tx.rate_n_flags = iwl_hw_set_rate_n_flags(rate,
rate_flags);
return sizeof(*tx_beacon_cmd) + frame_size;
}
/* Submit command */
cmd.len = sizeof(*tx_beacon_cmd) + frame_size;
cmd.data = tx_beacon_cmd;
int iwlagn_send_beacon_cmd(struct iwl_priv *priv)
{
struct iwl_frame *frame;
unsigned int frame_size;
int rc;
struct iwl_host_cmd cmd = {
.id = REPLY_TX_BEACON,
.flags = CMD_SIZE_HUGE,
};
err = iwl_send_cmd_sync(priv, &cmd);
frame = iwl_get_free_frame(priv);
if (!frame) {
IWL_ERR(priv, "Could not obtain free frame buffer for beacon "
"command.\n");
return -ENOMEM;
}
/* Free temporary storage */
kfree(tx_beacon_cmd);
frame_size = iwl_hw_get_beacon_cmd(priv, frame);
if (!frame_size) {
IWL_ERR(priv, "Error configuring the beacon command\n");
iwl_free_frame(priv, frame);
return -EINVAL;
}
cmd.len = frame_size;
cmd.data = &frame->u.cmd[0];
rc = iwl_send_cmd_sync(priv, &cmd);
iwl_free_frame(priv, frame);
return rc;
return err;
}
static inline dma_addr_t iwl_tfd_tb_get_addr(struct iwl_tfd *tfd, u8 idx)
@ -776,6 +694,8 @@ static void iwl_rx_handle(struct iwl_priv *priv)
wake_up_all(&priv->_agn.notif_waitq);
}
if (priv->pre_rx_handler)
priv->pre_rx_handler(priv, rxb);
/* Based on type of command response or notification,
* handle those that need handling via function in
@ -2211,7 +2131,7 @@ static int iwlagn_send_calib_cfg_rt(struct iwl_priv *priv, u32 cfg)
* from protocol/runtime uCode (initialization uCode's
* Alive gets handled by iwl_init_alive_start()).
*/
static int iwl_alive_start(struct iwl_priv *priv)
int iwl_alive_start(struct iwl_priv *priv)
{
int ret = 0;
struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
@ -2354,9 +2274,6 @@ static void __iwl_down(struct iwl_priv *priv)
dev_kfree_skb(priv->beacon_skb);
priv->beacon_skb = NULL;
/* clear out any free frames */
iwl_clear_free_frames(priv);
}
static void iwl_down(struct iwl_priv *priv)
@ -3414,8 +3331,6 @@ static int iwl_init_drv(struct iwl_priv *priv)
spin_lock_init(&priv->sta_lock);
spin_lock_init(&priv->hcmd_lock);
INIT_LIST_HEAD(&priv->free_frames);
mutex_init(&priv->mutex);
priv->ieee_channels = NULL;
@ -3507,6 +3422,7 @@ struct ieee80211_ops iwlagn_hw_ops = {
.cancel_remain_on_channel = iwl_mac_cancel_remain_on_channel,
.offchannel_tx = iwl_mac_offchannel_tx,
.offchannel_tx_cancel_wait = iwl_mac_offchannel_tx_cancel_wait,
CFG80211_TESTMODE_CMD(iwl_testmode_cmd)
};
static u32 iwl_hw_detect(struct iwl_priv *priv)
@ -3816,6 +3732,7 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
iwl_setup_deferred_work(priv);
iwl_setup_rx_handlers(priv);
iwl_testmode_init(priv);
/*********************************************
* 8. Enable interrupts and read RFKILL state

22
drivers/net/wireless/iwlwifi/iwl-agn.h
View File

@ -139,11 +139,6 @@ void iwlagn_set_wr_ptrs(struct iwl_priv *priv,
void iwlagn_tx_queue_set_status(struct iwl_priv *priv,
struct iwl_tx_queue *txq,
int tx_fifo_id, int scd_retry);
void iwlagn_txq_update_byte_cnt_tbl(struct iwl_priv *priv,
struct iwl_tx_queue *txq,
u16 byte_cnt);
void iwlagn_txq_inval_byte_cnt_tbl(struct iwl_priv *priv,
struct iwl_tx_queue *txq);
void iwlagn_txq_set_sched(struct iwl_priv *priv, u32 mask);
void iwl_free_tfds_in_queue(struct iwl_priv *priv,
int sta_id, int tid, int freed);
@ -344,5 +339,22 @@ iwlagn_wait_notification(struct iwl_priv *priv,
void __releases(wait_entry)
iwlagn_remove_notification(struct iwl_priv *priv,
struct iwl_notification_wait *wait_entry);
extern int iwlagn_init_alive_start(struct iwl_priv *priv);
extern int iwl_alive_start(struct iwl_priv *priv);
/* svtool */
#ifdef CONFIG_IWLWIFI_DEVICE_SVTOOL
extern int iwl_testmode_cmd(struct ieee80211_hw *hw, void *data, int len);
extern void iwl_testmode_init(struct iwl_priv *priv);
#else
static inline
int iwl_testmode_cmd(struct ieee80211_hw *hw, void *data, int len)
{
return -ENOSYS;
}
static inline
void iwl_testmode_init(struct iwl_priv *priv)
{
}
#endif
#endif /* __iwl_agn_h__ */

6
drivers/net/wireless/iwlwifi/iwl-core.h
View File

@ -99,7 +99,6 @@ struct iwl_hcmd_ops {
};
struct iwl_hcmd_utils_ops {
u16 (*get_hcmd_size)(u8 cmd_id, u16 len);
u16 (*build_addsta_hcmd)(const struct iwl_addsta_cmd *cmd, u8 *data);
void (*gain_computation)(struct iwl_priv *priv,
u32 *average_noise,
@ -129,11 +128,6 @@ struct iwl_lib_ops {
/* set hw dependent parameters */
int (*set_hw_params)(struct iwl_priv *priv);
/* Handling TX */
void (*txq_update_byte_cnt_tbl)(struct iwl_priv *priv,
struct iwl_tx_queue *txq,
u16 byte_cnt);
void (*txq_inval_byte_cnt_tbl)(struct iwl_priv *priv,
struct iwl_tx_queue *txq);
void (*txq_set_sched)(struct iwl_priv *priv, u32 mask);
int (*txq_attach_buf_to_tfd)(struct iwl_priv *priv,
struct iwl_tx_queue *txq,

15
drivers/net/wireless/iwlwifi/iwl-dev.h
View File

@ -238,15 +238,6 @@ struct iwl_channel_info {
#define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
#define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
struct iwl_frame {
union {
struct ieee80211_hdr frame;
struct iwl_tx_beacon_cmd beacon;
u8 raw[IEEE80211_FRAME_LEN];
u8 cmd[360];
} u;
struct list_head list;
};
#define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
#define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
@ -1188,12 +1179,10 @@ struct iwl_priv {
struct ieee80211_rate *ieee_rates;
struct iwl_cfg *cfg;
/* temporary frame storage list */
struct list_head free_frames;
int frames_count;
enum ieee80211_band band;
void (*pre_rx_handler)(struct iwl_priv *priv,
struct iwl_rx_mem_buffer *rxb);
void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv,
struct iwl_rx_mem_buffer *rxb);

469
drivers/net/wireless/iwlwifi/iwl-sv-open.c 100644
View File

@ -0,0 +1,469 @@
/******************************************************************************
*
* 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 - 2011 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 - 2011 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/init.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <net/net_namespace.h>
#include <linux/netdevice.h>
#include <net/cfg80211.h>
#include <net/mac80211.h>
#include <net/netlink.h>
#include "iwl-dev.h"
#include "iwl-core.h"
#include "iwl-debug.h"
#include "iwl-fh.h"
#include "iwl-io.h"
#include "iwl-agn.h"
#include "iwl-testmode.h"
/* 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, },
};
/*
* See the struct iwl_rx_packet in iwl-commands.h for the format of the
* received events from the device
*/
static inline int get_event_length(struct iwl_rx_mem_buffer *rxb)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
if (pkt)
return le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK;
else
return 0;
}
/*
* This function multicasts the spontaneous messages from the device to the
* user space. It is invoked whenever there is a received messages
* from the device. This function is called within the ISR of the rx handlers
* in iwlagn driver.
*
* The parsing of the message content is left to the user space application,
* The message content is treated as unattacked raw data and is encapsulated
* with IWL_TM_ATTR_UCODE_RX_PKT multicasting to the user space.
*
* @priv: the instance of iwlwifi device
* @rxb: pointer to rx data content received by the ISR
*
* See the message policies and TLVs in iwl_testmode_gnl_msg_policy[].
* For the messages multicasting to the user application, the mandatory
* TLV fields are :
* IWL_TM_ATTR_COMMAND must be IWL_TM_CMD_DEV2APP_UCODE_RX_PKT
* IWL_TM_ATTR_UCODE_RX_PKT for carrying the message content
*/
static void iwl_testmode_ucode_rx_pkt(struct iwl_priv *priv,
struct iwl_rx_mem_buffer *rxb)
{
struct ieee80211_hw *hw = priv->hw;
struct sk_buff *skb;
void *data;
int length;
data = (void *)rxb_addr(rxb);
length = get_event_length(rxb);
if (!data || length == 0)
return;
skb = cfg80211_testmode_alloc_event_skb(hw->wiphy, 20 + length,
GFP_ATOMIC);
if (skb == NULL) {
IWL_DEBUG_INFO(priv,
"Run out of memory for messages to user space ?\n");
return;
}
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);
cfg80211_testmode_event(skb, GFP_ATOMIC);
return;
nla_put_failure:
kfree_skb(skb);
IWL_DEBUG_INFO(priv, "Ouch, overran buffer, check allocation!\n");
}
void iwl_testmode_init(struct iwl_priv *priv)
{
priv->pre_rx_handler = iwl_testmode_ucode_rx_pkt;
}
/*
* 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, the actual execution result of the host command to
* ucode is replied.
*
* @hw: ieee80211_hw object that represents the device
* @tb: gnl message fields from the user space
*/
static int iwl_testmode_ucode(struct ieee80211_hw *hw, struct nlattr **tb)
{
struct iwl_priv *priv = hw->priv;
struct iwl_host_cmd cmd;
memset(&cmd, 0, sizeof(struct iwl_host_cmd));
if (!tb[IWL_TM_ATTR_UCODE_CMD_ID] ||
!tb[IWL_TM_ATTR_UCODE_CMD_DATA]) {
IWL_DEBUG_INFO(priv,
"Error finding ucode command mandatory fields\n");
return -ENOMSG;
}
cmd.id = nla_get_u8(tb[IWL_TM_ATTR_UCODE_CMD_ID]);
cmd.data = nla_data(tb[IWL_TM_ATTR_UCODE_CMD_DATA]);
cmd.len = nla_len(tb[IWL_TM_ATTR_UCODE_CMD_DATA]);
IWL_INFO(priv, "testmode ucode command ID 0x%x, flags 0x%x,"
" len %d\n", cmd.id, cmd.flags, cmd.len);
/* ok, let's submit the command to ucode */
return iwl_send_cmd(priv, &cmd);
}
/*
* This function handles the user application commands for register access.
*
* It retrieves command ID carried with IWL_TM_ATTR_COMMAND and calls to the
* handlers respectively.
*
* If it's an unknown commdn ID, -ENOSYS is returned; or -ENOMSG if the
* mandatory fields(IWL_TM_ATTR_REG_OFFSET,IWL_TM_ATTR_REG_VALUE32,
* IWL_TM_ATTR_REG_VALUE8) are missing; Otherwise 0 is replied indicating
* the success of the command execution.
*
* If IWL_TM_ATTR_COMMAND is IWL_TM_CMD_APP2DEV_REG_READ32, the register read
* value is returned with IWL_TM_ATTR_REG_VALUE32.
*
* @hw: ieee80211_hw object that represents the device
* @tb: gnl message fields from the user space
*/
static int iwl_testmode_reg(struct ieee80211_hw *hw, struct nlattr **tb)
{
struct iwl_priv *priv = hw->priv;
u32 ofs, val32;
u8 val8;
struct sk_buff *skb;
int status = 0;
if (!tb[IWL_TM_ATTR_REG_OFFSET]) {
IWL_DEBUG_INFO(priv, "Error finding 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);
switch (nla_get_u32(tb[IWL_TM_ATTR_COMMAND])) {
case IWL_TM_CMD_APP2DEV_REG_READ32:
val32 = iwl_read32(priv, ofs);
IWL_INFO(priv, "32bit value to read 0x%x\n", val32);
skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, 20);
if (!skb) {
IWL_DEBUG_INFO(priv, "Error allocating memory\n");
return -ENOMEM;
}
NLA_PUT_U32(skb, IWL_TM_ATTR_REG_VALUE32, val32);
status = cfg80211_testmode_reply(skb);
if (status < 0)
IWL_DEBUG_INFO(priv,
"Error sending msg : %d\n", status);
break;
case IWL_TM_CMD_APP2DEV_REG_WRITE32:
if (!tb[IWL_TM_ATTR_REG_VALUE32]) {
IWL_DEBUG_INFO(priv,
"Error finding 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_write32(priv, ofs, val32);
}
break;
case IWL_TM_CMD_APP2DEV_REG_WRITE8:
if (!tb[IWL_TM_ATTR_REG_VALUE8]) {
IWL_DEBUG_INFO(priv, "Error finding 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, ofs, val8);
}
break;
default:
IWL_DEBUG_INFO(priv, "Unknown testmode register command ID\n");
return -ENOSYS;
}
return status;
nla_put_failure:
kfree_skb(skb);
return -EMSGSIZE;
}
static int iwl_testmode_cfg_init_calib(struct iwl_priv *priv)
{
struct iwl_notification_wait calib_wait;
int ret;
iwlagn_init_notification_wait(priv, &calib_wait,
CALIBRATION_COMPLETE_NOTIFICATION,
NULL, NULL);
ret = iwlagn_init_alive_start(priv);
if (ret) {
IWL_DEBUG_INFO(priv,
"Error configuring init calibration: %d\n", ret);
goto cfg_init_calib_error;
}
ret = iwlagn_wait_notification(priv, &calib_wait, 2 * HZ);
if (ret)
IWL_DEBUG_INFO(priv, "Error detecting"
" CALIBRATION_COMPLETE_NOTIFICATION: %d\n", ret);
return ret;
cfg_init_calib_error:
iwlagn_remove_notification(priv, &calib_wait);
return ret;
}
/*
* This function handles the user application commands for driver.
*
* 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.
*
* If there's any message responding to the user space, IWL_TM_ATTR_SYNC_RSP
* is used for carry the message while IWL_TM_ATTR_COMMAND must set to
* IWL_TM_CMD_DEV2APP_SYNC_RSP.
*
* @hw: ieee80211_hw object that represents the device
* @tb: gnl message fields from the user space
*/
static int iwl_testmode_driver(struct ieee80211_hw *hw, struct nlattr **tb)
{
struct iwl_priv *priv = hw->priv;
struct sk_buff *skb;
unsigned char *rsp_data_ptr = NULL;
int status = 0, rsp_data_len = 0;
switch (nla_get_u32(tb[IWL_TM_ATTR_COMMAND])) {
case IWL_TM_CMD_APP2DEV_GET_DEVICENAME:
rsp_data_ptr = (unsigned char *)priv->cfg->name;
rsp_data_len = strlen(priv->cfg->name);
skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy,
rsp_data_len + 20);
if (!skb) {
IWL_DEBUG_INFO(priv,
"Error allocating memory\n");
return -ENOMEM;
}
NLA_PUT_U32(skb, IWL_TM_ATTR_COMMAND,
IWL_TM_CMD_DEV2APP_SYNC_RSP);
NLA_PUT(skb, IWL_TM_ATTR_SYNC_RSP,
rsp_data_len, rsp_data_ptr);
status = cfg80211_testmode_reply(skb);
if (status < 0)
IWL_DEBUG_INFO(priv, "Error sending msg : %d\n",
status);
break;
case IWL_TM_CMD_APP2DEV_LOAD_INIT_FW:
status = iwlagn_load_ucode_wait_alive(priv, &priv->ucode_init,
UCODE_SUBTYPE_INIT, -1);
if (status)
IWL_DEBUG_INFO(priv,
"Error loading init ucode: %d\n", status);
break;
case IWL_TM_CMD_APP2DEV_CFG_INIT_CALIB:
iwl_testmode_cfg_init_calib(priv);
iwlagn_stop_device(priv);
break;
case IWL_TM_CMD_APP2DEV_LOAD_RUNTIME_FW:
status = iwlagn_load_ucode_wait_alive(priv,
&priv->ucode_rt,
UCODE_SUBTYPE_REGULAR,
UCODE_SUBTYPE_REGULAR_NEW);
if (status) {
IWL_DEBUG_INFO(priv,
"Error loading runtime ucode: %d\n", status);
break;
}
status = iwl_alive_start(priv);
if (status)
IWL_DEBUG_INFO(priv,
"Error starting the device: %d\n", status);
break;
default:
IWL_DEBUG_INFO(priv, "Unknown testmode driver command ID\n");
return -ENOSYS;
}
return status;
nla_put_failure:
kfree_skb(skb);
return -EMSGSIZE;
}
/* 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.
*
* This function is invoked when there is user space application sending
* gnl message through the testmode tunnel NL80211_CMD_TESTMODE regulated
* by nl80211.
*
* It retrieves the mandatory field, IWL_TM_ATTR_COMMAND, before
* dispatching it to the corresponding handler.
*
* If IWL_TM_ATTR_COMMAND is missing, -ENOMSG is replied to user application;
* -ENOSYS is replied to the user application if the command is unknown;
* Otherwise, the command is dispatched to the respective handler.
*
* @hw: ieee80211_hw object that represents the device
* @data: pointer to user space message
* @len: length in byte of @data
*/
int iwl_testmode_cmd(struct ieee80211_hw *hw, void *data, int len)
{
struct nlattr *tb[IWL_TM_ATTR_MAX - 1];
struct iwl_priv *priv = hw->priv;
int result;
result = nla_parse(tb, IWL_TM_ATTR_MAX - 1, data, len,
iwl_testmode_gnl_msg_policy);
if (result != 0) {
IWL_DEBUG_INFO(priv,
"Error parsing the gnl message : %d\n", result);
return result;
}
/* IWL_TM_ATTR_COMMAND is absolutely mandatory */
if (!tb[IWL_TM_ATTR_COMMAND]) {
IWL_DEBUG_INFO(priv, "Error finding 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_REG_READ32:
case IWL_TM_CMD_APP2DEV_REG_WRITE32:
case IWL_TM_CMD_APP2DEV_REG_WRITE8:
IWL_DEBUG_INFO(priv, "testmode cmd to register\n");
result = iwl_testmode_reg(hw, tb);
break;
case IWL_TM_CMD_APP2DEV_GET_DEVICENAME:
case IWL_TM_CMD_APP2DEV_LOAD_INIT_FW:
case IWL_TM_CMD_APP2DEV_CFG_INIT_CALIB:
case IWL_TM_CMD_APP2DEV_LOAD_RUNTIME_FW:
IWL_DEBUG_INFO(priv, "testmode cmd to driver\n");
result = iwl_testmode_driver(hw, tb);
break;
default:
IWL_DEBUG_INFO(priv, "Unknown testmode command\n");
result = -ENOSYS;
break;
}
mutex_unlock(&priv->mutex);
return result;
}

151
drivers/net/wireless/iwlwifi/iwl-testmode.h 100644
View File

@ -0,0 +1,151 @@
/******************************************************************************
*
* 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 - 2011 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 - 2011 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_TESTMODE_H__
#define __IWL_TESTMODE_H__
#include <linux/types.h>
/* Commands from user space to kernel space(IWL_TM_CMD_ID_APP2DEV_XX) and
* from and kernel space to user space(IWL_TM_CMD_ID_DEV2APP_XX).
* The command ID is carried with IWL_TM_ATTR_COMMAND. There are three types of
* of command from user space and two types of command from kernel space.
* See below.
*/
enum iwl_tm_cmd_t {
/* commands from user application to the uCode,
* the actual uCode host command ID is carried with
* IWL_TM_ATTR_UCODE_CMD_ID */
IWL_TM_CMD_APP2DEV_UCODE = 1,
/* commands from user applicaiton to access register */
IWL_TM_CMD_APP2DEV_REG_READ32,
IWL_TM_CMD_APP2DEV_REG_WRITE32,
IWL_TM_CMD_APP2DEV_REG_WRITE8,
/* commands fom user space for pure driver level operations */
IWL_TM_CMD_APP2DEV_GET_DEVICENAME,
IWL_TM_CMD_APP2DEV_LOAD_INIT_FW,
IWL_TM_CMD_APP2DEV_CFG_INIT_CALIB,
IWL_TM_CMD_APP2DEV_LOAD_RUNTIME_FW,
/* if there is other new command for the driver layer operation,
* append them here */
/* commands from kernel space to carry the synchronous response
* to user application */
IWL_TM_CMD_DEV2APP_SYNC_RSP,
/* commands from kernel space to multicast the spontaneous messages
* to user application */
IWL_TM_CMD_DEV2APP_UCODE_RX_PKT,
IWL_TM_CMD_MAX,
};
enum iwl_tm_attr_t {
IWL_TM_ATTR_NOT_APPLICABLE = 0,
/* From user space to kernel space:
* the command either destines to ucode, driver, or register;
* See enum iwl_tm_cmd_t.
*
* From kernel space to user space:
* the command either carries synchronous response,
* or the spontaneous message multicast from the device;
* See enum iwl_tm_cmd_t. */
IWL_TM_ATTR_COMMAND,
/* When IWL_TM_ATTR_COMMAND is IWL_TM_CMD_APP2DEV_UCODE,
* The mandatory fields are :
* IWL_TM_ATTR_UCODE_CMD_ID for recognizable command ID;
* IWL_TM_ATTR_COMMAND_FLAG for the flags of the commands;
* The optional fields are:
* IWL_TM_ATTR_UCODE_CMD_DATA for the actual command payload
* to the ucode */
IWL_TM_ATTR_UCODE_CMD_ID,
IWL_TM_ATTR_UCODE_CMD_DATA,
/* When IWL_TM_ATTR_COMMAND is IWL_TM_CMD_APP2DEV_REG_XXX,
* The mandatory fields are:
* IWL_TM_ATTR_REG_OFFSET for the offset of the target register;
* IWL_TM_ATTR_REG_VALUE8 or IWL_TM_ATTR_REG_VALUE32 for value */
IWL_TM_ATTR_REG_OFFSET,
IWL_TM_ATTR_REG_VALUE8,
IWL_TM_ATTR_REG_VALUE32,
/* When IWL_TM_ATTR_COMMAND is IWL_TM_CMD_DEV2APP_SYNC_RSP,
* The mandatory fields are:
* IWL_TM_ATTR_SYNC_RSP for the data content responding to the user
* application command */
IWL_TM_ATTR_SYNC_RSP,
/* When IWL_TM_ATTR_COMMAND is IWL_TM_CMD_DEV2APP_UCODE_RX_PKT,
* The mandatory fields are:
* IWL_TM_ATTR_UCODE_RX_PKT for the data content multicast to the user
* application */
IWL_TM_ATTR_UCODE_RX_PKT,
IWL_TM_ATTR_MAX,
};
#endif

22
drivers/net/wireless/iwlwifi/iwl-tx.c
View File

@ -442,12 +442,10 @@ int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
struct iwl_cmd_meta *out_meta;
dma_addr_t phys_addr;
unsigned long flags;
int len;
u32 idx;
u16 fix_size;
bool is_ct_kill = false;
cmd->len = priv->cfg->ops->utils->get_hcmd_size(cmd->id, cmd->len);
fix_size = (u16)(cmd->len + sizeof(out_cmd->hdr));
/*
@ -502,7 +500,6 @@ int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
}
memset(out_meta, 0, sizeof(*out_meta)); /* re-initialize to NULL */
out_meta->flags = cmd->flags | CMD_MAPPED;
if (cmd->flags & CMD_WANT_SKB)
out_meta->source = cmd;
if (cmd->flags & CMD_ASYNC)
@ -519,9 +516,6 @@ int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
INDEX_TO_SEQ(q->write_ptr));
if (cmd->flags & CMD_SIZE_HUGE)
out_cmd->hdr.sequence |= SEQ_HUGE_FRAME;
len = sizeof(struct iwl_device_cmd);
if (idx == TFD_CMD_SLOTS)
len = IWL_MAX_CMD_SIZE;
#ifdef CONFIG_IWLWIFI_DEBUG
switch (out_cmd->hdr.cmd) {
@ -543,17 +537,20 @@ int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
q->write_ptr, idx, priv->cmd_queue);
}
#endif
txq->need_update = 1;
if (priv->cfg->ops->lib->txq_update_byte_cnt_tbl)
/* Set up entry in queue's byte count circular buffer */
priv->cfg->ops->lib->txq_update_byte_cnt_tbl(priv, txq, 0);
phys_addr = pci_map_single(priv->pci_dev, &out_cmd->hdr,
fix_size, PCI_DMA_BIDIRECTIONAL);
if (unlikely(pci_dma_mapping_error(priv->pci_dev, phys_addr))) {
idx = -ENOMEM;
goto out;
}
dma_unmap_addr_set(out_meta, mapping, phys_addr);
dma_unmap_len_set(out_meta, len, fix_size);
out_meta->flags = cmd->flags | CMD_MAPPED;
txq->need_update = 1;
trace_iwlwifi_dev_hcmd(priv, &out_cmd->hdr, fix_size, cmd->flags);
priv->cfg->ops->lib->txq_attach_buf_to_tfd(priv, txq,
@ -564,6 +561,7 @@ int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
q->write_ptr = iwl_queue_inc_wrap(q->write_ptr, q->n_bd);
iwl_txq_update_write_ptr(priv, txq);
out:
spin_unlock_irqrestore(&priv->hcmd_lock, flags);
return idx;
}