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path: root/drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c549
1 files changed, 93 insertions, 456 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c b/drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c
index 8b1a7988e17..08517d3c80b 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c
@@ -140,14 +140,17 @@ void iwl_rx_queue_update_write_ptr(struct iwl_trans *trans,
if (q->need_update == 0)
goto exit_unlock;
- if (cfg(trans)->base_params->shadow_reg_enable) {
+ if (trans->cfg->base_params->shadow_reg_enable) {
/* shadow register enabled */
/* Device expects a multiple of 8 */
q->write_actual = (q->write & ~0x7);
iwl_write32(trans, FH_RSCSR_CHNL0_WPTR, q->write_actual);
} else {
+ struct iwl_trans_pcie *trans_pcie =
+ IWL_TRANS_GET_PCIE_TRANS(trans);
+
/* If power-saving is in use, make sure device is awake */
- if (test_bit(STATUS_POWER_PMI, &trans->shrd->status)) {
+ if (test_bit(STATUS_TPOWER_PMI, &trans_pcie->status)) {
reg = iwl_read32(trans, CSR_UCODE_DRV_GP1);
if (reg & CSR_UCODE_DRV_GP1_BIT_MAC_SLEEP) {
@@ -271,17 +274,17 @@ static void iwlagn_rx_allocate(struct iwl_trans *trans, gfp_t priority)
if (rxq->free_count > RX_LOW_WATERMARK)
gfp_mask |= __GFP_NOWARN;
- if (hw_params(trans).rx_page_order > 0)
+ if (trans_pcie->rx_page_order > 0)
gfp_mask |= __GFP_COMP;
/* Alloc a new receive buffer */
page = alloc_pages(gfp_mask,
- hw_params(trans).rx_page_order);
+ trans_pcie->rx_page_order);
if (!page) {
if (net_ratelimit())
IWL_DEBUG_INFO(trans, "alloc_pages failed, "
"order: %d\n",
- hw_params(trans).rx_page_order);
+ trans_pcie->rx_page_order);
if ((rxq->free_count <= RX_LOW_WATERMARK) &&
net_ratelimit())
@@ -300,7 +303,7 @@ static void iwlagn_rx_allocate(struct iwl_trans *trans, gfp_t priority)
if (list_empty(&rxq->rx_used)) {
spin_unlock_irqrestore(&rxq->lock, flags);
- __free_pages(page, hw_params(trans).rx_page_order);
+ __free_pages(page, trans_pcie->rx_page_order);
return;
}
element = rxq->rx_used.next;
@@ -313,7 +316,7 @@ static void iwlagn_rx_allocate(struct iwl_trans *trans, gfp_t priority)
rxb->page = page;
/* Get physical address of the RB */
rxb->page_dma = dma_map_page(trans->dev, page, 0,
- PAGE_SIZE << hw_params(trans).rx_page_order,
+ PAGE_SIZE << trans_pcie->rx_page_order,
DMA_FROM_DEVICE);
/* dma address must be no more than 36 bits */
BUG_ON(rxb->page_dma & ~DMA_BIT_MASK(36));
@@ -362,83 +365,98 @@ static void iwl_rx_handle_rxbuf(struct iwl_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_pcie->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;
+ bool page_stolen = false;
+ int max_len = PAGE_SIZE << trans_pcie->rx_page_order;
+ u32 offset = 0;
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);
+ dma_unmap_page(trans->dev, rxb->page_dma, max_len, DMA_FROM_DEVICE);
- IWL_DEBUG_RX(trans, "%s, 0x%02x\n",
- get_cmd_string(pkt->hdr.cmd), pkt->hdr.cmd);
+ while (offset + sizeof(u32) + sizeof(struct iwl_cmd_header) < max_len) {
+ struct iwl_rx_packet *pkt;
+ struct iwl_device_cmd *cmd;
+ u16 sequence;
+ bool reclaim;
+ int index, cmd_index, err, len;
+ struct iwl_rx_cmd_buffer rxcb = {
+ ._offset = offset,
+ ._page = rxb->page,
+ ._page_stolen = false,
+ .truesize = max_len,
+ };
+ pkt = rxb_addr(&rxcb);
- 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);
- if (reclaim) {
- int i;
+ if (pkt->len_n_flags == cpu_to_le32(FH_RSCSR_FRAME_INVALID))
+ break;
- for (i = 0; i < trans_pcie->n_no_reclaim_cmds; i++) {
- if (trans_pcie->no_reclaim_cmds[i] == pkt->hdr.cmd) {
- reclaim = false;
- break;
+ IWL_DEBUG_RX(trans, "cmd at offset %d: %s (0x%.2x)\n",
+ rxcb._offset,
+ trans_pcie_get_cmd_string(trans_pcie, 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);
+ if (reclaim) {
+ int i;
+
+ for (i = 0; i < trans_pcie->n_no_reclaim_cmds; i++) {
+ if (trans_pcie->no_reclaim_cmds[i] ==
+ pkt->hdr.cmd) {
+ reclaim = false;
+ break;
+ }
}
}
- }
- sequence = le16_to_cpu(pkt->hdr.sequence);
- index = SEQ_TO_INDEX(sequence);
- cmd_index = get_cmd_index(&txq->q, index);
+ 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;
+ if (reclaim)
+ cmd = txq->entries[cmd_index].cmd;
+ else
+ cmd = NULL;
- err = iwl_op_mode_rx(trans->op_mode, &rxcb, 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.
- */
+ /*
+ * After here, we should always check rxcb._page_stolen,
+ * if it is true then one of the handlers took the page.
+ */
- 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");
+ 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_stolen)
+ iwl_tx_cmd_complete(trans, &rxcb, err);
+ else
+ IWL_WARN(trans, "Claim null rxb?\n");
+ }
+
+ page_stolen |= rxcb._page_stolen;
+ offset += ALIGN(len, FH_RSCSR_FRAME_ALIGN);
}
- /* page was stolen from us */
- if (rxcb._page == NULL)
+ /* page was stolen from us -- free our reference */
+ if (page_stolen) {
+ __free_pages(rxb->page, trans_pcie->rx_page_order);
rxb->page = NULL;
+ }
/* Reuse the page if possible. For notification packets and
* SKBs that fail to Rx correctly, add them back into the
@@ -447,7 +465,7 @@ static void iwl_rx_handle_rxbuf(struct iwl_trans *trans,
if (rxb->page != NULL) {
rxb->page_dma =
dma_map_page(trans->dev, rxb->page, 0,
- PAGE_SIZE << hw_params(trans).rx_page_order,
+ PAGE_SIZE << trans_pcie->rx_page_order,
DMA_FROM_DEVICE);
list_add_tail(&rxb->list, &rxq->rx_free);
rxq->free_count++;
@@ -520,412 +538,32 @@ static void iwl_rx_handle(struct iwl_trans *trans)
iwlagn_rx_queue_restock(trans);
}
-static const char * const desc_lookup_text[] = {
- "OK",
- "FAIL",
- "BAD_PARAM",
- "BAD_CHECKSUM",
- "NMI_INTERRUPT_WDG",
- "SYSASSERT",
- "FATAL_ERROR",
- "BAD_COMMAND",
- "HW_ERROR_TUNE_LOCK",
- "HW_ERROR_TEMPERATURE",
- "ILLEGAL_CHAN_FREQ",
- "VCC_NOT_STABLE",
- "FH_ERROR",
- "NMI_INTERRUPT_HOST",
- "NMI_INTERRUPT_ACTION_PT",
- "NMI_INTERRUPT_UNKNOWN",
- "UCODE_VERSION_MISMATCH",
- "HW_ERROR_ABS_LOCK",
- "HW_ERROR_CAL_LOCK_FAIL",
- "NMI_INTERRUPT_INST_ACTION_PT",
- "NMI_INTERRUPT_DATA_ACTION_PT",
- "NMI_TRM_HW_ER",
- "NMI_INTERRUPT_TRM",
- "NMI_INTERRUPT_BREAK_POINT",
- "DEBUG_0",
- "DEBUG_1",
- "DEBUG_2",
- "DEBUG_3",
-};
-
-static struct { char *name; u8 num; } advanced_lookup[] = {
- { "NMI_INTERRUPT_WDG", 0x34 },
- { "SYSASSERT", 0x35 },
- { "UCODE_VERSION_MISMATCH", 0x37 },
- { "BAD_COMMAND", 0x38 },
- { "NMI_INTERRUPT_DATA_ACTION_PT", 0x3C },
- { "FATAL_ERROR", 0x3D },
- { "NMI_TRM_HW_ERR", 0x46 },
- { "NMI_INTERRUPT_TRM", 0x4C },
- { "NMI_INTERRUPT_BREAK_POINT", 0x54 },
- { "NMI_INTERRUPT_WDG_RXF_FULL", 0x5C },
- { "NMI_INTERRUPT_WDG_NO_RBD_RXF_FULL", 0x64 },
- { "NMI_INTERRUPT_HOST", 0x66 },
- { "NMI_INTERRUPT_ACTION_PT", 0x7C },
- { "NMI_INTERRUPT_UNKNOWN", 0x84 },
- { "NMI_INTERRUPT_INST_ACTION_PT", 0x86 },
- { "ADVANCED_SYSASSERT", 0 },
-};
-
-static const char *desc_lookup(u32 num)
-{
- int i;
- int max = ARRAY_SIZE(desc_lookup_text);
-
- if (num < max)
- return desc_lookup_text[num];
-
- max = ARRAY_SIZE(advanced_lookup) - 1;
- for (i = 0; i < max; i++) {
- if (advanced_lookup[i].num == num)
- break;
- }
- return advanced_lookup[i].name;
-}
-
-#define ERROR_START_OFFSET (1 * sizeof(u32))
-#define ERROR_ELEM_SIZE (7 * sizeof(u32))
-
-static void iwl_dump_nic_error_log(struct iwl_trans *trans)
-{
- u32 base;
- struct iwl_error_event_table table;
- 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 = trans->shrd->fw->init_errlog_ptr;
- } else {
- if (!base)
- base = trans->shrd->fw->inst_errlog_ptr;
- }
-
- if (!iwlagn_hw_valid_rtc_data_addr(base)) {
- IWL_ERR(trans,
- "Not valid error log pointer 0x%08X for %s uCode\n",
- base,
- (trans->shrd->ucode_type == IWL_UCODE_INIT)
- ? "Init" : "RT");
- return;
- }
-
- iwl_read_targ_mem_words(trans, base, &table, sizeof(table));
-
- if (ERROR_START_OFFSET <= table.valid * ERROR_ELEM_SIZE) {
- IWL_ERR(trans, "Start IWL Error Log Dump:\n");
- IWL_ERR(trans, "Status: 0x%08lX, count: %d\n",
- trans->shrd->status, table.valid);
- }
-
- trans_pcie->isr_stats.err_code = table.error_id;
-
- 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,
- table.gp2, table.gp3, table.ucode_ver,
- table.hw_ver, table.brd_ver);
- IWL_ERR(trans, "0x%08X | %-28s\n", table.error_id,
- desc_lookup(table.error_id));
- IWL_ERR(trans, "0x%08X | uPc\n", table.pc);
- IWL_ERR(trans, "0x%08X | branchlink1\n", table.blink1);
- IWL_ERR(trans, "0x%08X | branchlink2\n", table.blink2);
- IWL_ERR(trans, "0x%08X | interruptlink1\n", table.ilink1);
- IWL_ERR(trans, "0x%08X | interruptlink2\n", table.ilink2);
- IWL_ERR(trans, "0x%08X | data1\n", table.data1);
- IWL_ERR(trans, "0x%08X | data2\n", table.data2);
- IWL_ERR(trans, "0x%08X | line\n", table.line);
- IWL_ERR(trans, "0x%08X | beacon time\n", table.bcon_time);
- IWL_ERR(trans, "0x%08X | tsf low\n", table.tsf_low);
- IWL_ERR(trans, "0x%08X | tsf hi\n", table.tsf_hi);
- IWL_ERR(trans, "0x%08X | time gp1\n", table.gp1);
- IWL_ERR(trans, "0x%08X | time gp2\n", table.gp2);
- IWL_ERR(trans, "0x%08X | time gp3\n", table.gp3);
- IWL_ERR(trans, "0x%08X | uCode version\n", table.ucode_ver);
- IWL_ERR(trans, "0x%08X | hw version\n", table.hw_ver);
- IWL_ERR(trans, "0x%08X | board version\n", table.brd_ver);
- IWL_ERR(trans, "0x%08X | hcmd\n", table.hcmd);
-
- IWL_ERR(trans, "0x%08X | isr0\n", table.isr0);
- IWL_ERR(trans, "0x%08X | isr1\n", table.isr1);
- IWL_ERR(trans, "0x%08X | isr2\n", table.isr2);
- IWL_ERR(trans, "0x%08X | isr3\n", table.isr3);
- IWL_ERR(trans, "0x%08X | isr4\n", table.isr4);
- IWL_ERR(trans, "0x%08X | isr_pref\n", table.isr_pref);
- IWL_ERR(trans, "0x%08X | wait_event\n", table.wait_event);
- IWL_ERR(trans, "0x%08X | l2p_control\n", table.l2p_control);
- IWL_ERR(trans, "0x%08X | l2p_duration\n", table.l2p_duration);
- IWL_ERR(trans, "0x%08X | l2p_mhvalid\n", table.l2p_mhvalid);
- IWL_ERR(trans, "0x%08X | l2p_addr_match\n", table.l2p_addr_match);
- IWL_ERR(trans, "0x%08X | lmpm_pmg_sel\n", table.lmpm_pmg_sel);
- IWL_ERR(trans, "0x%08X | timestamp\n", table.u_timestamp);
- IWL_ERR(trans, "0x%08X | flow_handler\n", table.flow_handler);
-}
-
/**
* iwl_irq_handle_error - called for HW or SW error interrupt from card
*/
static void iwl_irq_handle_error(struct iwl_trans *trans)
{
/* W/A for WiFi/WiMAX coex and WiMAX own the RF */
- if (cfg(trans)->internal_wimax_coex &&
+ if (trans->cfg->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) &
APMG_PS_CTRL_VAL_RESET_REQ))) {
- /*
- * Keep the restart process from trying to send host
- * commands by clearing the ready bit.
- */
- clear_bit(STATUS_READY, &trans->shrd->status);
- clear_bit(STATUS_HCMD_ACTIVE, &trans->shrd->status);
+ struct iwl_trans_pcie *trans_pcie;
+
+ trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
+ clear_bit(STATUS_HCMD_ACTIVE, &trans_pcie->status);
+ iwl_op_mode_wimax_active(trans->op_mode);
wake_up(&trans->wait_command_queue);
- IWL_ERR(trans, "RF is used by WiMAX\n");
return;
}
- IWL_ERR(trans, "Loaded firmware version: %s\n",
- 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);
iwl_op_mode_nic_error(trans->op_mode);
}
-#define EVENT_START_OFFSET (4 * sizeof(u32))
-
-/**
- * iwl_print_event_log - Dump error event log to syslog
- *
- */
-static int iwl_print_event_log(struct iwl_trans *trans, u32 start_idx,
- u32 num_events, u32 mode,
- int pos, char **buf, size_t bufsz)
-{
- u32 i;
- u32 base; /* SRAM byte address of event log header */
- u32 event_size; /* 2 u32s, or 3 u32s if timestamp recorded */
- u32 ptr; /* SRAM byte address of log data */
- u32 ev, time, data; /* event log data */
- unsigned long reg_flags;
-
- 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 = trans->shrd->fw->init_evtlog_ptr;
- } else {
- if (!base)
- base = trans->shrd->fw->inst_evtlog_ptr;
- }
-
- if (mode == 0)
- event_size = 2 * sizeof(u32);
- else
- event_size = 3 * sizeof(u32);
-
- ptr = base + EVENT_START_OFFSET + (start_idx * event_size);
-
- /* Make sure device is powered up for SRAM reads */
- spin_lock_irqsave(&trans->reg_lock, reg_flags);
- if (unlikely(!iwl_grab_nic_access(trans)))
- goto out_unlock;
-
- /* Set starting address; reads will auto-increment */
- iwl_write32(trans, HBUS_TARG_MEM_RADDR, ptr);
-
- /* "time" is actually "data" for mode 0 (no timestamp).
- * place event id # at far right for easier visual parsing. */
- for (i = 0; i < num_events; i++) {
- ev = iwl_read32(trans, HBUS_TARG_MEM_RDAT);
- time = iwl_read32(trans, HBUS_TARG_MEM_RDAT);
- if (mode == 0) {
- /* data, ev */
- if (bufsz) {
- pos += scnprintf(*buf + pos, bufsz - pos,
- "EVT_LOG:0x%08x:%04u\n",
- time, ev);
- } else {
- trace_iwlwifi_dev_ucode_event(trans->dev, 0,
- time, ev);
- IWL_ERR(trans, "EVT_LOG:0x%08x:%04u\n",
- time, ev);
- }
- } else {
- data = iwl_read32(trans, HBUS_TARG_MEM_RDAT);
- if (bufsz) {
- pos += scnprintf(*buf + pos, bufsz - pos,
- "EVT_LOGT:%010u:0x%08x:%04u\n",
- time, data, ev);
- } else {
- IWL_ERR(trans, "EVT_LOGT:%010u:0x%08x:%04u\n",
- time, data, ev);
- trace_iwlwifi_dev_ucode_event(trans->dev, time,
- data, ev);
- }
- }
- }
-
- /* Allow device to power down */
- iwl_release_nic_access(trans);
-out_unlock:
- spin_unlock_irqrestore(&trans->reg_lock, reg_flags);
- return pos;
-}
-
-/**
- * iwl_print_last_event_logs - Dump the newest # of event log to syslog
- */
-static int iwl_print_last_event_logs(struct iwl_trans *trans, u32 capacity,
- u32 num_wraps, u32 next_entry,
- u32 size, u32 mode,
- int pos, char **buf, size_t bufsz)
-{
- /*
- * display the newest DEFAULT_LOG_ENTRIES entries
- * i.e the entries just before the next ont that uCode would fill.
- */
- if (num_wraps) {
- if (next_entry < size) {
- pos = iwl_print_event_log(trans,
- capacity - (size - next_entry),
- size - next_entry, mode,
- pos, buf, bufsz);
- pos = iwl_print_event_log(trans, 0,
- next_entry, mode,
- pos, buf, bufsz);
- } else
- pos = iwl_print_event_log(trans, next_entry - size,
- size, mode, pos, buf, bufsz);
- } else {
- if (next_entry < size) {
- pos = iwl_print_event_log(trans, 0, next_entry,
- mode, pos, buf, bufsz);
- } else {
- pos = iwl_print_event_log(trans, next_entry - size,
- size, mode, pos, buf, bufsz);
- }
- }
- return pos;
-}
-
-#define DEFAULT_DUMP_EVENT_LOG_ENTRIES (20)
-
-int iwl_dump_nic_event_log(struct iwl_trans *trans, bool full_log,
- char **buf, bool display)
-{
- u32 base; /* SRAM byte address of event log header */
- u32 capacity; /* event log capacity in # entries */
- u32 mode; /* 0 - no timestamp, 1 - timestamp recorded */
- u32 num_wraps; /* # times uCode wrapped to top of log */
- u32 next_entry; /* index of next entry to be written by uCode */
- u32 size; /* # entries that we'll print */
- u32 logsize;
- int pos = 0;
- size_t bufsz = 0;
-
- base = trans->shrd->device_pointers.log_event_table;
- if (trans->shrd->ucode_type == IWL_UCODE_INIT) {
- logsize = trans->shrd->fw->init_evtlog_size;
- if (!base)
- base = trans->shrd->fw->init_evtlog_ptr;
- } else {
- logsize = trans->shrd->fw->inst_evtlog_size;
- if (!base)
- base = trans->shrd->fw->inst_evtlog_ptr;
- }
-
- if (!iwlagn_hw_valid_rtc_data_addr(base)) {
- IWL_ERR(trans,
- "Invalid event log pointer 0x%08X for %s uCode\n",
- base,
- (trans->shrd->ucode_type == IWL_UCODE_INIT)
- ? "Init" : "RT");
- return -EINVAL;
- }
-
- /* event log header */
- capacity = iwl_read_targ_mem(trans, base);
- mode = iwl_read_targ_mem(trans, base + (1 * sizeof(u32)));
- num_wraps = iwl_read_targ_mem(trans, base + (2 * sizeof(u32)));
- next_entry = iwl_read_targ_mem(trans, base + (3 * sizeof(u32)));
-
- if (capacity > logsize) {
- IWL_ERR(trans, "Log capacity %d is bogus, limit to %d "
- "entries\n", capacity, logsize);
- capacity = logsize;
- }
-
- if (next_entry > logsize) {
- IWL_ERR(trans, "Log write index %d is bogus, limit to %d\n",
- next_entry, logsize);
- next_entry = logsize;
- }
-
- size = num_wraps ? capacity : next_entry;
-
- /* bail out if nothing in log */
- if (size == 0) {
- IWL_ERR(trans, "Start IWL Event Log Dump: nothing in log\n");
- return pos;
- }
-
-#ifdef CONFIG_IWLWIFI_DEBUG
- 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
- size = (size > DEFAULT_DUMP_EVENT_LOG_ENTRIES)
- ? DEFAULT_DUMP_EVENT_LOG_ENTRIES : size;
-#endif
- IWL_ERR(trans, "Start IWL Event Log Dump: display last %u entries\n",
- size);
-
-#ifdef CONFIG_IWLWIFI_DEBUG
- if (display) {
- if (full_log)
- bufsz = capacity * 48;
- else
- bufsz = size * 48;
- *buf = kmalloc(bufsz, GFP_KERNEL);
- if (!*buf)
- return -ENOMEM;
- }
- 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,
- * i.e the next one that uCode would fill.
- */
- if (num_wraps)
- pos = iwl_print_event_log(trans, next_entry,
- capacity - next_entry, mode,
- pos, buf, bufsz);
- /* (then/else) start at top of log */
- pos = iwl_print_event_log(trans, 0,
- next_entry, mode, pos, buf, bufsz);
- } else
- pos = iwl_print_last_event_logs(trans, capacity, num_wraps,
- next_entry, size, mode,
- pos, buf, bufsz);
-#else
- pos = iwl_print_last_event_logs(trans, capacity, num_wraps,
- next_entry, size, mode,
- pos, buf, bufsz);
-#endif
- return pos;
-}
-
/* tasklet for iwlagn interrupt */
void iwl_irq_tasklet(struct iwl_trans *trans)
{
@@ -963,7 +601,7 @@ void iwl_irq_tasklet(struct iwl_trans *trans)
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 ",
+ IWL_DEBUG_ISR(trans, "inta 0x%08x, enabled 0x%08x\n",
inta, inta_mask);
}
#endif
@@ -1011,8 +649,7 @@ void iwl_irq_tasklet(struct iwl_trans *trans)
if (inta & CSR_INT_BIT_RF_KILL) {
bool hw_rfkill;
- hw_rfkill = !(iwl_read32(trans, CSR_GP_CNTRL) &
- CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW);
+ hw_rfkill = iwl_is_rfkill_set(trans);
IWL_WARN(trans, "RF_KILL bit toggled to %s.\n",
hw_rfkill ? "disable radio" : "enable radio");
@@ -1043,7 +680,7 @@ void iwl_irq_tasklet(struct iwl_trans *trans)
if (inta & CSR_INT_BIT_WAKEUP) {
IWL_DEBUG_ISR(trans, "Wakeup interrupt\n");
iwl_rx_queue_update_write_ptr(trans, &trans_pcie->rxq);
- for (i = 0; i < cfg(trans)->base_params->num_of_queues; i++)
+ for (i = 0; i < trans->cfg->base_params->num_of_queues; i++)
iwl_txq_update_write_ptr(trans,
&trans_pcie->txq[i]);