#include <linux/wait.h>
#include <linux/gfp.h>
-/*TODO: Remove include to iwl-core.h*/
-#include "iwl-core.h"
+#include "iwl-prph.h"
#include "iwl-io.h"
#include "iwl-trans-pcie-int.h"
-#include "iwl-wifi.h"
#include "iwl-op-mode.h"
#ifdef CONFIG_IWLWIFI_IDI
if (q->need_update == 0)
goto exit_unlock;
- if (hw_params(trans).shadow_reg_enable) {
+ if (cfg(trans)->base_params->shadow_reg_enable) {
/* shadow register enabled */
/* Device expects a multiple of 8 */
q->write_actual = (q->write & ~0x7);
iwlagn_rx_replenish(trans_pcie->trans);
}
+static void iwl_rx_handle_rxbuf(struct iwl_trans *trans,
+ struct iwl_rx_mem_buffer *rxb)
+{
+ struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
+ struct iwl_rx_queue *rxq = &trans_pcie->rxq;
+ struct iwl_tx_queue *txq = &trans_pcie->txq[trans->shrd->cmd_queue];
+ struct iwl_device_cmd *cmd;
+ unsigned long flags;
+ int len, err;
+ u16 sequence;
+ struct iwl_rx_cmd_buffer rxcb;
+ struct iwl_rx_packet *pkt;
+ bool reclaim;
+ int index, cmd_index;
+
+ if (WARN_ON(!rxb))
+ return;
+
+ dma_unmap_page(trans->dev, rxb->page_dma,
+ PAGE_SIZE << hw_params(trans).rx_page_order,
+ DMA_FROM_DEVICE);
+
+ rxcb._page = rxb->page;
+ pkt = rxb_addr(&rxcb);
+
+ IWL_DEBUG_RX(trans, "%s, 0x%02x\n",
+ get_cmd_string(pkt->hdr.cmd), pkt->hdr.cmd);
+
+
+ len = le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK;
+ len += sizeof(u32); /* account for status word */
+ trace_iwlwifi_dev_rx(trans->dev, pkt, len);
+
+ /* Reclaim a command buffer only if this packet is a response
+ * to a (driver-originated) command.
+ * If the packet (e.g. Rx frame) originated from uCode,
+ * there is no command buffer to reclaim.
+ * Ucode should set SEQ_RX_FRAME bit if ucode-originated,
+ * but apparently a few don't get set; catch them here. */
+ reclaim = !(pkt->hdr.sequence & SEQ_RX_FRAME) &&
+ (pkt->hdr.cmd != REPLY_RX_PHY_CMD) &&
+ (pkt->hdr.cmd != REPLY_RX) &&
+ (pkt->hdr.cmd != REPLY_RX_MPDU_CMD) &&
+ (pkt->hdr.cmd != REPLY_COMPRESSED_BA) &&
+ (pkt->hdr.cmd != STATISTICS_NOTIFICATION) &&
+ (pkt->hdr.cmd != REPLY_TX);
+
+ sequence = le16_to_cpu(pkt->hdr.sequence);
+ index = SEQ_TO_INDEX(sequence);
+ cmd_index = get_cmd_index(&txq->q, index);
+
+ if (reclaim)
+ cmd = txq->cmd[cmd_index];
+ else
+ cmd = NULL;
+
+ /* warn if this is cmd response / notification and the uCode
+ * didn't set the SEQ_RX_FRAME for a frame that is
+ * uCode-originated
+ * If you saw this code after the second half of 2012, then
+ * please remove it
+ */
+ WARN(pkt->hdr.cmd != REPLY_TX && reclaim == false &&
+ (!(pkt->hdr.sequence & SEQ_RX_FRAME)),
+ "reclaim is false, SEQ_RX_FRAME unset: %s\n",
+ get_cmd_string(pkt->hdr.cmd));
+
+ err = iwl_op_mode_rx(trans->op_mode, &rxcb, cmd);
+
+ /*
+ * XXX: After here, we should always check rxcb._page
+ * against NULL before touching it or its virtual
+ * memory (pkt). Because some rx_handler might have
+ * already taken or freed the pages.
+ */
+
+ if (reclaim) {
+ /* Invoke any callbacks, transfer the buffer to caller,
+ * and fire off the (possibly) blocking
+ * iwl_trans_send_cmd()
+ * as we reclaim the driver command queue */
+ if (rxcb._page)
+ iwl_tx_cmd_complete(trans, &rxcb, err);
+ else
+ IWL_WARN(trans, "Claim null rxb?\n");
+ }
+
+ /* page was stolen from us */
+ if (rxcb._page == NULL)
+ rxb->page = NULL;
+
+ /* Reuse the page if possible. For notification packets and
+ * SKBs that fail to Rx correctly, add them back into the
+ * rx_free list for reuse later. */
+ spin_lock_irqsave(&rxq->lock, flags);
+ if (rxb->page != NULL) {
+ rxb->page_dma =
+ dma_map_page(trans->dev, rxb->page, 0,
+ PAGE_SIZE << hw_params(trans).rx_page_order,
+ DMA_FROM_DEVICE);
+ list_add_tail(&rxb->list, &rxq->rx_free);
+ rxq->free_count++;
+ } else
+ list_add_tail(&rxb->list, &rxq->rx_used);
+ spin_unlock_irqrestore(&rxq->lock, flags);
+}
+
/**
* iwl_rx_handle - Main entry function for receiving responses from uCode
*
*/
static void iwl_rx_handle(struct iwl_trans *trans)
{
- struct iwl_rx_mem_buffer *rxb;
- struct iwl_rx_packet *pkt;
- struct iwl_trans_pcie *trans_pcie =
- IWL_TRANS_GET_PCIE_TRANS(trans);
+ struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
struct iwl_rx_queue *rxq = &trans_pcie->rxq;
- struct iwl_tx_queue *txq = &trans_pcie->txq[trans->shrd->cmd_queue];
- struct iwl_device_cmd *cmd;
u32 r, i;
- int reclaim;
- unsigned long flags;
u8 fill_rx = 0;
u32 count = 8;
int total_empty;
- int index, cmd_index;
/* uCode's read index (stored in shared DRAM) indicates the last Rx
* buffer that the driver may process (last buffer filled by ucode). */
fill_rx = 1;
while (i != r) {
- int len, err;
- u16 sequence;
+ struct iwl_rx_mem_buffer *rxb;
rxb = rxq->queue[i];
-
- /* If an RXB doesn't have a Rx queue slot associated with it,
- * then a bug has been introduced in the queue refilling
- * routines -- catch it here */
- if (WARN_ON(rxb == NULL)) {
- i = (i + 1) & RX_QUEUE_MASK;
- continue;
- }
-
rxq->queue[i] = NULL;
- dma_unmap_page(trans->dev, rxb->page_dma,
- PAGE_SIZE << hw_params(trans).rx_page_order,
- DMA_FROM_DEVICE);
- pkt = rxb_addr(rxb);
-
- IWL_DEBUG_RX(trans, "r = %d, i = %d, %s, 0x%02x\n", r,
- i, get_cmd_string(pkt->hdr.cmd), pkt->hdr.cmd);
-
- len = le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK;
- len += sizeof(u32); /* account for status word */
- trace_iwlwifi_dev_rx(priv(trans), pkt, len);
-
- /* Reclaim a command buffer only if this packet is a response
- * to a (driver-originated) command.
- * If the packet (e.g. Rx frame) originated from uCode,
- * there is no command buffer to reclaim.
- * Ucode should set SEQ_RX_FRAME bit if ucode-originated,
- * but apparently a few don't get set; catch them here. */
- reclaim = !(pkt->hdr.sequence & SEQ_RX_FRAME) &&
- (pkt->hdr.cmd != REPLY_RX_PHY_CMD) &&
- (pkt->hdr.cmd != REPLY_RX) &&
- (pkt->hdr.cmd != REPLY_RX_MPDU_CMD) &&
- (pkt->hdr.cmd != REPLY_COMPRESSED_BA) &&
- (pkt->hdr.cmd != STATISTICS_NOTIFICATION) &&
- (pkt->hdr.cmd != REPLY_TX);
-
- sequence = le16_to_cpu(pkt->hdr.sequence);
- index = SEQ_TO_INDEX(sequence);
- cmd_index = get_cmd_index(&txq->q, index);
-
- if (reclaim)
- cmd = txq->cmd[cmd_index];
- else
- cmd = NULL;
-
- /* warn if this is cmd response / notification and the uCode
- * didn't set the SEQ_RX_FRAME for a frame that is
- * uCode-originated
- * If you saw this code after the second half of 2012, then
- * please remove it
- */
- WARN(pkt->hdr.cmd != REPLY_TX && reclaim == false &&
- (!(pkt->hdr.sequence & SEQ_RX_FRAME)),
- "reclaim is false, SEQ_RX_FRAME unset: %s\n",
- get_cmd_string(pkt->hdr.cmd));
+ IWL_DEBUG_RX(trans, "rxbuf: r = %d, i = %d (%p)\n", rxb);
- err = iwl_op_mode_rx(trans->op_mode, rxb, cmd);
-
- /*
- * XXX: After here, we should always check rxb->page
- * against NULL before touching it or its virtual
- * memory (pkt). Because some rx_handler might have
- * already taken or freed the pages.
- */
-
- if (reclaim) {
- /* Invoke any callbacks, transfer the buffer to caller,
- * and fire off the (possibly) blocking
- * iwl_trans_send_cmd()
- * as we reclaim the driver command queue */
- if (rxb->page)
- iwl_tx_cmd_complete(trans, rxb, err);
- else
- IWL_WARN(trans, "Claim null rxb?\n");
- }
-
- /* Reuse the page if possible. For notification packets and
- * SKBs that fail to Rx correctly, add them back into the
- * rx_free list for reuse later. */
- spin_lock_irqsave(&rxq->lock, flags);
- if (rxb->page != NULL) {
- rxb->page_dma = dma_map_page(trans->dev, rxb->page,
- 0, PAGE_SIZE <<
- hw_params(trans).rx_page_order,
- DMA_FROM_DEVICE);
- list_add_tail(&rxb->list, &rxq->rx_free);
- rxq->free_count++;
- } else
- list_add_tail(&rxb->list, &rxq->rx_used);
-
- spin_unlock_irqrestore(&rxq->lock, flags);
+ iwl_rx_handle_rxbuf(trans, rxb);
i = (i + 1) & RX_QUEUE_MASK;
/* If there are a lot of unused frames,
{
u32 base;
struct iwl_error_event_table table;
- struct iwl_nic *nic = nic(trans);
struct iwl_trans_pcie *trans_pcie =
IWL_TRANS_GET_PCIE_TRANS(trans);
base = trans->shrd->device_pointers.error_event_table;
if (trans->shrd->ucode_type == IWL_UCODE_INIT) {
if (!base)
- base = nic->init_errlog_ptr;
+ base = trans->shrd->fw->init_errlog_ptr;
} else {
if (!base)
- base = nic->inst_errlog_ptr;
+ base = trans->shrd->fw->inst_errlog_ptr;
}
if (!iwlagn_hw_valid_rtc_data_addr(base)) {
trans_pcie->isr_stats.err_code = table.error_id;
- trace_iwlwifi_dev_ucode_error(priv(nic), table.error_id, table.tsf_low,
+ trace_iwlwifi_dev_ucode_error(trans->dev, 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,
*/
static void iwl_irq_handle_error(struct iwl_trans *trans)
{
- struct iwl_priv *priv = priv(trans);
/* W/A for WiFi/WiMAX coex and WiMAX own the RF */
- if (cfg(priv)->internal_wimax_coex &&
+ if (cfg(trans)->internal_wimax_coex &&
(!(iwl_read_prph(trans, APMG_CLK_CTRL_REG) &
APMS_CLK_VAL_MRB_FUNC_MODE) ||
(iwl_read_prph(trans, APMG_PS_CTRL_REG) &
*/
clear_bit(STATUS_READY, &trans->shrd->status);
clear_bit(STATUS_HCMD_ACTIVE, &trans->shrd->status);
- wake_up(&priv->shrd->wait_command_queue);
+ wake_up(&trans->shrd->wait_command_queue);
IWL_ERR(trans, "RF is used by WiMAX\n");
return;
}
IWL_ERR(trans, "Loaded firmware version: %s\n",
- priv->hw->wiphy->fw_version);
+ trans->shrd->fw->fw_version);
iwl_dump_nic_error_log(trans);
iwl_dump_csr(trans);
iwl_dump_fh(trans, NULL, false);
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(trans), IWL_RXON_CTX_BSS);
-#endif
iwl_op_mode_nic_error(trans->op_mode);
}
u32 ptr; /* SRAM byte address of log data */
u32 ev, time, data; /* event log data */
unsigned long reg_flags;
- struct iwl_nic *nic = nic(trans);
if (num_events == 0)
return pos;
base = trans->shrd->device_pointers.log_event_table;
if (trans->shrd->ucode_type == IWL_UCODE_INIT) {
if (!base)
- base = nic->init_evtlog_ptr;
+ base = trans->shrd->fw->init_evtlog_ptr;
} else {
if (!base)
- base = nic->inst_evtlog_ptr;
+ base = trans->shrd->fw->inst_evtlog_ptr;
}
if (mode == 0)
"EVT_LOG:0x%08x:%04u\n",
time, ev);
} else {
- trace_iwlwifi_dev_ucode_event(priv(trans), 0,
+ trace_iwlwifi_dev_ucode_event(trans->dev, 0,
time, ev);
IWL_ERR(trans, "EVT_LOG:0x%08x:%04u\n",
time, ev);
} else {
IWL_ERR(trans, "EVT_LOGT:%010u:0x%08x:%04u\n",
time, data, ev);
- trace_iwlwifi_dev_ucode_event(priv(trans), time,
+ trace_iwlwifi_dev_ucode_event(trans->dev, time,
data, ev);
}
}
u32 logsize;
int pos = 0;
size_t bufsz = 0;
- struct iwl_nic *nic = nic(trans);
base = trans->shrd->device_pointers.log_event_table;
if (trans->shrd->ucode_type == IWL_UCODE_INIT) {
- logsize = nic->init_evtlog_size;
+ logsize = trans->shrd->fw->init_evtlog_size;
if (!base)
- base = nic->init_evtlog_ptr;
+ base = trans->shrd->fw->init_evtlog_ptr;
} else {
- logsize = nic->inst_evtlog_size;
+ logsize = trans->shrd->fw->inst_evtlog_size;
if (!base)
- base = nic->inst_evtlog_ptr;
+ base = trans->shrd->fw->inst_evtlog_ptr;
}
if (!iwlagn_hw_valid_rtc_data_addr(base)) {
}
#ifdef CONFIG_IWLWIFI_DEBUG
- if (!(iwl_get_debug_level(trans->shrd) & IWL_DL_FW_ERRORS) && !full_log)
+ if (!(iwl_have_debug_level(IWL_DL_FW_ERRORS)) && !full_log)
size = (size > DEFAULT_DUMP_EVENT_LOG_ENTRIES)
? DEFAULT_DUMP_EVENT_LOG_ENTRIES : size;
#else
if (!*buf)
return -ENOMEM;
}
- if ((iwl_get_debug_level(trans->shrd) & IWL_DL_FW_ERRORS) || full_log) {
+ if (iwl_have_debug_level(IWL_DL_FW_ERRORS) || full_log) {
/*
* if uCode has wrapped back to top of log,
* start at the oldest entry,
inta = trans_pcie->inta;
#ifdef CONFIG_IWLWIFI_DEBUG
- if (iwl_get_debug_level(trans->shrd) & IWL_DL_ISR) {
+ if (iwl_have_debug_level(IWL_DL_ISR)) {
/* just for debug */
inta_mask = iwl_read32(trans, CSR_INT_MASK);
IWL_DEBUG_ISR(trans, "inta 0x%08x, enabled 0x%08x\n ",
}
#ifdef CONFIG_IWLWIFI_DEBUG
- if (iwl_get_debug_level(trans->shrd) & (IWL_DL_ISR)) {
+ if (iwl_have_debug_level(IWL_DL_ISR)) {
/* NIC fires this, but we don't use it, redundant with WAKEUP */
if (inta & CSR_INT_BIT_SCD) {
IWL_DEBUG_ISR(trans, "Scheduler finished to transmit "
/* HW RF KILL switch toggled */
if (inta & CSR_INT_BIT_RF_KILL) {
- int hw_rf_kill = 0;
- if (!(iwl_read32(trans, CSR_GP_CNTRL) &
- CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW))
- hw_rf_kill = 1;
+ bool hw_rfkill;
+ hw_rfkill = !(iwl_read32(trans, CSR_GP_CNTRL) &
+ CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW);
IWL_WARN(trans, "RF_KILL bit toggled to %s.\n",
- hw_rf_kill ? "disable radio" : "enable radio");
+ hw_rfkill ? "disable radio" : "enable radio");
isr_stats->rfkill++;
- /* driver only loads ucode once setting the interface up.
- * the driver allows loading the ucode even if the radio
- * is killed. Hence update the killswitch state here. The
- * rfkill handler will care about restarting if needed.
- */
- if (!test_bit(STATUS_ALIVE, &trans->shrd->status)) {
- if (hw_rf_kill)
- set_bit(STATUS_RF_KILL_HW,
- &trans->shrd->status);
- else
- clear_bit(STATUS_RF_KILL_HW,
- &trans->shrd->status);
- iwl_op_mode_hw_rf_kill(trans->op_mode, hw_rf_kill);
- }
+ iwl_op_mode_hw_rf_kill(trans->op_mode, hw_rfkill);
handled |= CSR_INT_BIT_RF_KILL;
}
if (!trans)
return IRQ_NONE;
- trace_iwlwifi_dev_irq(priv(trans));
+ trace_iwlwifi_dev_irq(trans->dev);
trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
}
#ifdef CONFIG_IWLWIFI_DEBUG
- if (iwl_get_debug_level(trans->shrd) & (IWL_DL_ISR)) {
+ if (iwl_have_debug_level(IWL_DL_ISR)) {
inta_fh = iwl_read32(trans, CSR_FH_INT_STATUS);
IWL_DEBUG_ISR(trans, "ISR inta 0x%08x, enabled 0x%08x, "
"fh 0x%08x\n", inta, inta_mask, inta_fh);
if (!trans_pcie->use_ict)
return iwl_isr(irq, data);
- trace_iwlwifi_dev_irq(priv(trans));
+ trace_iwlwifi_dev_irq(trans->dev);
spin_lock_irqsave(&trans_pcie->irq_lock, flags);
* This may be due to IRQ shared with another device,
* or due to sporadic interrupts thrown from our NIC. */
read = le32_to_cpu(trans_pcie->ict_tbl[trans_pcie->ict_index]);
- trace_iwlwifi_dev_ict_read(priv(trans), trans_pcie->ict_index, read);
+ trace_iwlwifi_dev_ict_read(trans->dev, trans_pcie->ict_index, read);
if (!read) {
IWL_DEBUG_ISR(trans, "Ignore interrupt, inta == 0\n");
goto none;
iwl_queue_inc_wrap(trans_pcie->ict_index, ICT_COUNT);
read = le32_to_cpu(trans_pcie->ict_tbl[trans_pcie->ict_index]);
- trace_iwlwifi_dev_ict_read(priv(trans), trans_pcie->ict_index,
+ trace_iwlwifi_dev_ict_read(trans->dev, trans_pcie->ict_index,
read);
} while (read);
git.openpandora.org / pandora-kernel.git / blobdiff