}
}
-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,
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,
+ };
u32 frame_size;
u32 rate_flags;
u32 rate;
+
/*
* We have to set up the TX command, the TX Beacon command, and the
* beacon contents.
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;
- /* 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;
+ /* Allocate beacon command */
+ if (!priv->beacon_cmd)
+ priv->beacon_cmd = kzalloc(sizeof(*tx_beacon_cmd), GFP_KERNEL);
+ tx_beacon_cmd = priv->beacon_cmd;
+ if (!tx_beacon_cmd)
+ return -ENOMEM;
+
+ frame_size = priv->beacon_skb->len;
/* Set up TX command fields */
tx_beacon_cmd->tx.len = cpu_to_le16((u16)frame_size);
TX_CMD_FLG_TSF_MSK | TX_CMD_FLG_STA_RATE_MSK;
/* Set up TX beacon command fields */
- iwl_set_beacon_tim(priv, tx_beacon_cmd, (u8 *)tx_beacon_cmd->frame,
+ iwl_set_beacon_tim(priv, tx_beacon_cmd, priv->beacon_skb->data,
frame_size);
/* Set up packet rate and flags */
tx_beacon_cmd->tx.rate_n_flags = iwl_hw_set_rate_n_flags(rate,
rate_flags);
- return sizeof(*tx_beacon_cmd) + frame_size;
-}
-
-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,
- };
-
- frame = iwl_get_free_frame(priv);
- if (!frame) {
- IWL_ERR(priv, "Could not obtain free frame buffer for beacon "
- "command.\n");
- return -ENOMEM;
- }
-
- 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;
-}
-
-static inline dma_addr_t iwl_tfd_tb_get_addr(struct iwl_tfd *tfd, u8 idx)
-{
- struct iwl_tfd_tb *tb = &tfd->tbs[idx];
-
- dma_addr_t addr = get_unaligned_le32(&tb->lo);
- if (sizeof(dma_addr_t) > sizeof(u32))
- addr |=
- ((dma_addr_t)(le16_to_cpu(tb->hi_n_len) & 0xF) << 16) << 16;
-
- return addr;
-}
-
-static inline u16 iwl_tfd_tb_get_len(struct iwl_tfd *tfd, u8 idx)
-{
- struct iwl_tfd_tb *tb = &tfd->tbs[idx];
-
- return le16_to_cpu(tb->hi_n_len) >> 4;
-}
-
-static inline void iwl_tfd_set_tb(struct iwl_tfd *tfd, u8 idx,
- dma_addr_t addr, u16 len)
-{
- struct iwl_tfd_tb *tb = &tfd->tbs[idx];
- u16 hi_n_len = len << 4;
-
- put_unaligned_le32(addr, &tb->lo);
- if (sizeof(dma_addr_t) > sizeof(u32))
- hi_n_len |= ((addr >> 16) >> 16) & 0xF;
-
- tb->hi_n_len = cpu_to_le16(hi_n_len);
-
- tfd->num_tbs = idx + 1;
-}
-
-static inline u8 iwl_tfd_get_num_tbs(struct iwl_tfd *tfd)
-{
- return tfd->num_tbs & 0x1f;
-}
-
-/**
- * iwl_hw_txq_free_tfd - Free all chunks referenced by TFD [txq->q.read_ptr]
- * @priv - driver private data
- * @txq - tx queue
- *
- * Does NOT advance any TFD circular buffer read/write indexes
- * Does NOT free the TFD itself (which is within circular buffer)
- */
-void iwl_hw_txq_free_tfd(struct iwl_priv *priv, struct iwl_tx_queue *txq)
-{
- struct iwl_tfd *tfd_tmp = (struct iwl_tfd *)txq->tfds;
- struct iwl_tfd *tfd;
- struct pci_dev *dev = priv->pci_dev;
- int index = txq->q.read_ptr;
- int i;
- int num_tbs;
-
- tfd = &tfd_tmp[index];
-
- /* Sanity check on number of chunks */
- num_tbs = iwl_tfd_get_num_tbs(tfd);
-
- if (num_tbs >= IWL_NUM_OF_TBS) {
- IWL_ERR(priv, "Too many chunks: %i\n", num_tbs);
- /* @todo issue fatal error, it is quite serious situation */
- return;
- }
-
- /* Unmap tx_cmd */
- if (num_tbs)
- pci_unmap_single(dev,
- dma_unmap_addr(&txq->meta[index], mapping),
- dma_unmap_len(&txq->meta[index], len),
- PCI_DMA_BIDIRECTIONAL);
-
- /* Unmap chunks, if any. */
- for (i = 1; i < num_tbs; i++)
- pci_unmap_single(dev, iwl_tfd_tb_get_addr(tfd, i),
- iwl_tfd_tb_get_len(tfd, i), PCI_DMA_TODEVICE);
-
- /* free SKB */
- if (txq->txb) {
- struct sk_buff *skb;
-
- skb = txq->txb[txq->q.read_ptr].skb;
-
- /* can be called from irqs-disabled context */
- if (skb) {
- dev_kfree_skb_any(skb);
- txq->txb[txq->q.read_ptr].skb = NULL;
- }
- }
-}
+ /* Submit command */
+ cmd.len[0] = sizeof(*tx_beacon_cmd);
+ cmd.data[0] = tx_beacon_cmd;
+ cmd.dataflags[0] = IWL_HCMD_DFL_NOCOPY;
+ cmd.len[1] = frame_size;
+ cmd.data[1] = priv->beacon_skb->data;
+ cmd.dataflags[1] = IWL_HCMD_DFL_NOCOPY;
-int iwl_hw_txq_attach_buf_to_tfd(struct iwl_priv *priv,
- struct iwl_tx_queue *txq,
- dma_addr_t addr, u16 len,
- u8 reset, u8 pad)
-{
- struct iwl_queue *q;
- struct iwl_tfd *tfd, *tfd_tmp;
- u32 num_tbs;
-
- q = &txq->q;
- tfd_tmp = (struct iwl_tfd *)txq->tfds;
- tfd = &tfd_tmp[q->write_ptr];
-
- if (reset)
- memset(tfd, 0, sizeof(*tfd));
-
- num_tbs = iwl_tfd_get_num_tbs(tfd);
-
- /* Each TFD can point to a maximum 20 Tx buffers */
- if (num_tbs >= IWL_NUM_OF_TBS) {
- IWL_ERR(priv, "Error can not send more than %d chunks\n",
- IWL_NUM_OF_TBS);
- return -EINVAL;
- }
-
- if (WARN_ON(addr & ~DMA_BIT_MASK(36)))
- return -EINVAL;
-
- if (unlikely(addr & ~IWL_TX_DMA_MASK))
- IWL_ERR(priv, "Unaligned address = %llx\n",
- (unsigned long long)addr);
-
- iwl_tfd_set_tb(tfd, num_tbs, addr, len);
-
- return 0;
-}
-
-/*
- * Tell nic where to find circular buffer of Tx Frame Descriptors for
- * given Tx queue, and enable the DMA channel used for that queue.
- *
- * supports up to 16 Tx queues in DRAM, mapped to up to 8 Tx DMA
- * channels supported in hardware.
- */
-int iwl_hw_tx_queue_init(struct iwl_priv *priv,
- struct iwl_tx_queue *txq)
-{
- int txq_id = txq->q.id;
-
- /* Circular buffer (TFD queue in DRAM) physical base address */
- iwl_write_direct32(priv, FH_MEM_CBBC_QUEUE(txq_id),
- txq->q.dma_addr >> 8);
-
- return 0;
+ return iwl_send_cmd_sync(priv, &cmd);
}
static void iwl_bg_beacon_update(struct work_struct *work)
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
max = ARRAY_SIZE(advanced_lookup) - 1;
for (i = 0; i < max; i++) {
if (advanced_lookup[i].num == num)
- break;;
+ break;
}
return advanced_lookup[i].name;
}
void iwl_dump_nic_error_log(struct iwl_priv *priv)
{
- u32 data2, line;
- u32 desc, time, count, base, data1;
- u32 blink1, blink2, ilink1, ilink2;
- u32 pc, hcmd;
+ u32 base;
struct iwl_error_event_table table;
base = priv->device_pointers.error_event_table;
iwl_read_targ_mem_words(priv, base, &table, sizeof(table));
- count = table.valid;
-
- if (ERROR_START_OFFSET <= count * ERROR_ELEM_SIZE) {
+ if (ERROR_START_OFFSET <= table.valid * ERROR_ELEM_SIZE) {
IWL_ERR(priv, "Start IWL Error Log Dump:\n");
IWL_ERR(priv, "Status: 0x%08lX, count: %d\n",
- priv->status, count);
- }
-
- desc = table.error_id;
- priv->isr_stats.err_code = desc;
- pc = table.pc;
- blink1 = table.blink1;
- blink2 = table.blink2;
- ilink1 = table.ilink1;
- ilink2 = table.ilink2;
- data1 = table.data1;
- data2 = table.data2;
- line = table.line;
- time = table.tsf_low;
- hcmd = table.hcmd;
-
- trace_iwlwifi_dev_ucode_error(priv, desc, time, data1, data2, line,
- blink1, blink2, ilink1, ilink2);
-
- IWL_ERR(priv, "Desc Time "
- "data1 data2 line\n");
- IWL_ERR(priv, "%-28s (0x%04X) %010u 0x%08X 0x%08X %u\n",
- desc_lookup(desc), desc, time, data1, data2, line);
- IWL_ERR(priv, "pc blink1 blink2 ilink1 ilink2 hcmd\n");
- IWL_ERR(priv, "0x%05X 0x%05X 0x%05X 0x%05X 0x%05X 0x%05X\n",
- pc, blink1, blink2, ilink1, ilink2, hcmd);
+ priv->status, table.valid);
+ }
+
+ priv->isr_stats.err_code = table.error_id;
+
+ trace_iwlwifi_dev_ucode_error(priv, table.error_id, table.tsf_low,
+ table.data1, table.data2, table.line,
+ table.blink1, table.blink2, table.ilink1,
+ table.ilink2, table.bcon_time, table.gp1,
+ table.gp2, table.gp3, table.ucode_ver,
+ table.hw_ver, table.brd_ver);
+ IWL_ERR(priv, "0x%08X | %-28s\n", table.error_id,
+ desc_lookup(table.error_id));
+ IWL_ERR(priv, "0x%08X | uPc\n", table.pc);
+ IWL_ERR(priv, "0x%08X | branchlink1\n", table.blink1);
+ IWL_ERR(priv, "0x%08X | branchlink2\n", table.blink2);
+ IWL_ERR(priv, "0x%08X | interruptlink1\n", table.ilink1);
+ IWL_ERR(priv, "0x%08X | interruptlink2\n", table.ilink2);
+ IWL_ERR(priv, "0x%08X | data1\n", table.data1);
+ IWL_ERR(priv, "0x%08X | data2\n", table.data2);
+ IWL_ERR(priv, "0x%08X | line\n", table.line);
+ IWL_ERR(priv, "0x%08X | beacon time\n", table.bcon_time);
+ IWL_ERR(priv, "0x%08X | tsf low\n", table.tsf_low);
+ IWL_ERR(priv, "0x%08X | tsf hi\n", table.tsf_hi);
+ IWL_ERR(priv, "0x%08X | time gp1\n", table.gp1);
+ IWL_ERR(priv, "0x%08X | time gp2\n", table.gp2);
+ IWL_ERR(priv, "0x%08X | time gp3\n", table.gp3);
+ IWL_ERR(priv, "0x%08X | uCode version\n", table.ucode_ver);
+ IWL_ERR(priv, "0x%08X | hw version\n", table.hw_ver);
+ IWL_ERR(priv, "0x%08X | board version\n", table.brd_ver);
+ IWL_ERR(priv, "0x%08X | hcmd\n", table.hcmd);
}
#define EVENT_START_OFFSET (4 * sizeof(u32))
struct iwl_calib_cfg_cmd calib_cfg_cmd;
struct iwl_host_cmd cmd = {
.id = CALIBRATION_CFG_CMD,
- .len = sizeof(struct iwl_calib_cfg_cmd),
- .data = &calib_cfg_cmd,
+ .len = { sizeof(struct iwl_calib_cfg_cmd), },
+ .data = { &calib_cfg_cmd, },
};
memset(&calib_cfg_cmd, 0, sizeof(calib_cfg_cmd));
* 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];
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)
ret = 0;
if (priv->cfg->ht_params &&
priv->cfg->ht_params->use_rts_for_aggregation) {
- struct iwl_station_priv *sta_priv =
- (void *) sta->drv_priv;
/*
* switch off RTS/CTS if it was previously enabled
*/
-
sta_priv->lq_sta.lq.general_params.flags &=
~LINK_QUAL_FLAGS_SET_STA_TLC_RTS_MSK;
iwl_send_lq_cmd(priv, iwl_rxon_ctx_from_vif(vif),
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;
iwlcore_free_geos(priv);
iwl_free_channel_map(priv);
kfree(priv->scan_cmd);
+ kfree(priv->beacon_cmd);
}
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)
iwl_setup_deferred_work(priv);
iwl_setup_rx_handlers(priv);
+ iwl_testmode_init(priv);
/*********************************************
* 8. Enable interrupts and read RFKILL state
destroy_workqueue(priv->workqueue);
priv->workqueue = NULL;
free_irq(priv->pci_dev->irq, priv);
- iwl_free_isr_ict(priv);
out_disable_msi:
+ iwl_free_isr_ict(priv);
pci_disable_msi(priv->pci_dev);
iwl_uninit_drv(priv);
out_free_eeprom:
*/
set_bit(STATUS_EXIT_PENDING, &priv->status);
+ iwl_testmode_cleanup(priv);
iwl_leds_exit(priv);
if (priv->mac80211_registered) {
projects / deliverable / linux.git / blobdiff