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path: root/drivers/net/wireless/iwlwifi/pcie/internal.h
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/pcie/internal.h')
-rw-r--r--drivers/net/wireless/iwlwifi/pcie/internal.h13
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/net/wireless/iwlwifi/pcie/internal.h b/drivers/net/wireless/iwlwifi/pcie/internal.h
index 31f72a61cc3f..feb2f7e81134 100644
--- a/drivers/net/wireless/iwlwifi/pcie/internal.h
+++ b/drivers/net/wireless/iwlwifi/pcie/internal.h
@@ -44,6 +44,12 @@
#include "iwl-io.h"
#include "iwl-op-mode.h"
+/* We need 2 entries for the TX command and header, and another one might
+ * be needed for potential data in the SKB's head. The remaining ones can
+ * be used for frags.
+ */
+#define IWL_PCIE_MAX_FRAGS (IWL_NUM_OF_TBS - 3)
+
/*
* RX related structures and functions
*/
@@ -299,8 +305,10 @@ iwl_pcie_get_scratchbuf_dma(struct iwl_txq *txq, int idx)
* @rx_buf_size_8k: 8 kB RX buffer size
* @bc_table_dword: true if the BC table expects DWORD (as opposed to bytes)
* @scd_set_active: should the transport configure the SCD for HCMD queue
+ * @wide_cmd_header: true when ucode supports wide command header format
* @rx_page_order: page order for receive buffer size
* @reg_lock: protect hw register access
+ * @mutex: to protect stop_device / start_fw / start_hw
* @cmd_in_flight: true when we have a host command in flight
* @fw_mon_phys: physical address of the buffer for the firmware monitor
* @fw_mon_page: points to the first page of the buffer for the firmware monitor
@@ -320,9 +328,11 @@ struct iwl_trans_pcie {
dma_addr_t ict_tbl_dma;
int ict_index;
bool use_ict;
+ bool is_down;
struct isr_statistics isr_stats;
spinlock_t irq_lock;
+ struct mutex mutex;
u32 inta_mask;
u32 scd_base_addr;
struct iwl_dma_ptr scd_bc_tbls;
@@ -349,6 +359,7 @@ struct iwl_trans_pcie {
bool rx_buf_size_8k;
bool bc_table_dword;
bool scd_set_active;
+ bool wide_cmd_header;
u32 rx_page_order;
const char *const *command_names;
@@ -420,7 +431,7 @@ int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb,
void iwl_pcie_txq_check_wrptrs(struct iwl_trans *trans);
int iwl_trans_pcie_send_hcmd(struct iwl_trans *trans, struct iwl_host_cmd *cmd);
void iwl_pcie_hcmd_complete(struct iwl_trans *trans,
- struct iwl_rx_cmd_buffer *rxb, int handler_status);
+ struct iwl_rx_cmd_buffer *rxb);
void iwl_trans_pcie_reclaim(struct iwl_trans *trans, int txq_id, int ssn,
struct sk_buff_head *skbs);
void iwl_trans_pcie_tx_reset(struct iwl_trans *trans);
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