iwlcore: support ICT interrupt
Add ICT interrupt handler support, ICT should improve CPU utilization
since it does not require target read which is very expensive. This
interrupt handler only added to 5000 cards and newer. Device will write
interrupts to ICT shared table to inform driver about its interrupts.
These patches will not touch 3945 and 4965 interrupt handlers and tasklet.
Signed-off-by: Mohamed Abbas <mohamed.abbas@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index a0ed415..cbd87af 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -170,6 +170,7 @@
void (*update_chain_flags)(struct iwl_priv *priv);
void (*post_associate) (struct iwl_priv *priv);
void (*config_ap) (struct iwl_priv *priv);
+ irqreturn_t (*isr) (int irq, void *data);
/* eeprom operations (as defined in iwl-eeprom.h) */
struct iwl_eeprom_ops eeprom_ops;
@@ -239,6 +240,7 @@
u8 valid_tx_ant;
u8 valid_rx_ant;
bool need_pll_cfg;
+ bool use_isr_legacy;
};
/***************************
@@ -466,7 +468,13 @@
*****************************************************/
void iwl_disable_interrupts(struct iwl_priv *priv);
void iwl_enable_interrupts(struct iwl_priv *priv);
-irqreturn_t iwl_isr(int irq, void *data);
+irqreturn_t iwl_isr_legacy(int irq, void *data);
+int iwl_reset_ict(struct iwl_priv *priv);
+void iwl_disable_ict(struct iwl_priv *priv);
+int iwl_alloc_isr_ict(struct iwl_priv *priv);
+void iwl_free_isr_ict(struct iwl_priv *priv);
+irqreturn_t iwl_isr_ict(int irq, void *data);
+
static inline u16 iwl_pcie_link_ctl(struct iwl_priv *priv)
{
int pos;