diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-dev.h')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-dev.h | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h index 7bd99f942f1..4106efd194e 100644 --- a/drivers/net/wireless/iwlwifi/iwl-dev.h +++ b/drivers/net/wireless/iwlwifi/iwl-dev.h @@ -689,8 +689,6 @@ extern int iwl4965_hw_set_hw_params(struct iwl_priv *priv); extern int iwl4965_hw_nic_stop_master(struct iwl_priv *priv); extern void iwl4965_hw_txq_ctx_stop(struct iwl_priv *priv); extern int iwl4965_hw_nic_reset(struct iwl_priv *priv); -extern int iwl4965_hw_txq_attach_buf_to_tfd(struct iwl_priv *priv, void *tfd, - dma_addr_t addr, u16 len); extern int iwl4965_hw_get_temperature(struct iwl_priv *priv); extern unsigned int iwl4965_hw_get_beacon_cmd(struct iwl_priv *priv, struct iwl_frame *frame, u8 rate); @@ -719,6 +717,25 @@ extern u8 iwl_find_station(struct iwl_priv *priv, const u8 *bssid); extern int iwl4965_hw_channel_switch(struct iwl_priv *priv, u16 channel); extern int iwl4965_tx_queue_reclaim(struct iwl_priv *priv, int txq_id, int index); extern int iwl_queue_space(const struct iwl_queue *q); +static inline int iwl_queue_used(const struct iwl_queue *q, int i) +{ + return q->write_ptr > q->read_ptr ? + (i >= q->read_ptr && i < q->write_ptr) : + !(i < q->read_ptr && i >= q->write_ptr); +} + + +static inline u8 get_cmd_index(struct iwl_queue *q, u32 index, int is_huge) +{ + /* This is for scan command, the big buffer at end of command array */ + if (is_huge) + return q->n_window; /* must be power of 2 */ + + /* Otherwise, use normal size buffers */ + return index & (q->n_window - 1); +} + + struct iwl_priv; extern void iwl4965_radio_kill_sw(struct iwl_priv *priv, int disable_radio); |